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android / kernel / amlogic-tv-modules / dhd-driver / refs/tags/android-tv-10.0.0_r0.1 / . / bcmdhd.100.10.315.x / wl_cfg80211.c
blob: 998f677a123652f24b41640cffb73fd1f3e235ee [file] [log] [blame]
/*
* Linux cfg80211 driver
*
* Copyright (C) 1999-2018, Broadcom.
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2 (the "GPL"),
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
* following added to such license:
*
* As a special exception, the copyright holders of this software give you
* permission to link this software with independent modules, and to copy and
* distribute the resulting executable under terms of your choice, provided that
* you also meet, for each linked independent module, the terms and conditions of
* the license of that module. An independent module is a module which is not
* derived from this software. The special exception does not apply to any
* modifications of the software.
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a license
* other than the GPL, without Broadcom's express prior written consent.
*
*
* <<Broadcom-WL-IPTag/Open:>>
*
* $Id: wl_cfg80211.c 771488 2018-07-10 09:10:11Z $
*/
/* */
#include <typedefs.h>
#include <linuxver.h>
#include <osl.h>
#include <linux/kernel.h>
#include <bcmutils.h>
#include <bcmwifi_channels.h>
#include <bcmendian.h>
#include <ethernet.h>
#ifdef WL_WPS_SYNC
#include <eapol.h>
#endif /* WL_WPS_SYNC */
#include <802.11.h>
#include <fils.h>
#include <frag.h>
#include <bcmiov.h>
#include <linux/if_arp.h>
#include <asm/uaccess.h>
#include <ethernet.h>
#include <linux/kernel.h>
#include <linux/kthread.h>
#include <linux/netdevice.h>
#include <linux/sched.h>
#include <linux/etherdevice.h>
#include <linux/wireless.h>
#include <linux/ieee80211.h>
#include <linux/wait.h>
#include <net/cfg80211.h>
#include <net/rtnetlink.h>
#include <wlioctl.h>
#include <bcmevent.h>
#include <wldev_common.h>
#include <wl_cfg80211.h>
#include <wl_cfgp2p.h>
#include <bcmdevs.h>
#include <wl_android.h>
#include <dngl_stats.h>
#include <dhd.h>
#include <dhd_linux.h>
#include <dhd_debug.h>
#include <dhdioctl.h>
#include <wlioctl.h>
#include <dhd_cfg80211.h>
#include <dhd_bus.h>
#ifdef PNO_SUPPORT
#include <dhd_pno.h>
#endif /* PNO_SUPPORT */
#include <wl_cfgvendor.h>
#if !defined(WL_VENDOR_EXT_SUPPORT)
#undef GSCAN_SUPPORT
#endif
#include <dhd_config.h>
#ifdef WL_NAN
#include <wl_cfgnan.h>
#endif /* WL_NAN */
#ifdef PROP_TXSTATUS
#include <dhd_wlfc.h>
#endif // endif
#ifdef BCMPCIE
#include <dhd_flowring.h>
#endif // endif
#ifdef RTT_SUPPORT
#include <dhd_rtt.h>
#endif /* RTT_SUPPORT */
#define BRCM_SAE_VENDOR_EVENT_BUF_LEN 500
#ifdef BCMWAPI_WPI
/* these items should evetually go into wireless.h of the linux system headfile dir */
#ifndef IW_ENCODE_ALG_SM4
#define IW_ENCODE_ALG_SM4 0x20
#endif // endif
#ifndef IW_AUTH_WAPI_ENABLED
#define IW_AUTH_WAPI_ENABLED 0x20
#endif // endif
#ifndef IW_AUTH_WAPI_VERSION_1
#define IW_AUTH_WAPI_VERSION_1 0x00000008
#endif // endif
#ifndef IW_AUTH_CIPHER_SMS4
#define IW_AUTH_CIPHER_SMS4 0x00000020
#endif // endif
#ifndef IW_AUTH_KEY_MGMT_WAPI_PSK
#define IW_AUTH_KEY_MGMT_WAPI_PSK 4
#endif // endif
#ifndef IW_AUTH_KEY_MGMT_WAPI_CERT
#define IW_AUTH_KEY_MGMT_WAPI_CERT 8
#endif // endif
#endif /* BCMWAPI_WPI */
#ifdef BCMWAPI_WPI
#define IW_WSEC_ENABLED(wsec) ((wsec) & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED | SMS4_ENABLED))
#else /* BCMWAPI_WPI */
#define IW_WSEC_ENABLED(wsec) ((wsec) & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED))
#endif /* BCMWAPI_WPI */
#if (defined(WL_FW_OCE_AP_SELECT) || defined(BCMFW_ROAM_ENABLE) && ((LINUX_VERSION_CODE \
>= KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS)))
uint fw_ap_select = true;
#else
uint fw_ap_select = false;
#endif /* WL_FW_OCE_AP_SELECT && (ROAM_ENABLE || BCMFW_ROAM_ENABLE) */
module_param(fw_ap_select, uint, 0660);
static struct device *cfg80211_parent_dev = NULL;
static struct bcm_cfg80211 *g_bcmcfg = NULL;
u32 wl_dbg_level = WL_DBG_ERR; // | WL_DBG_P2P_ACTION | WL_DBG_INFO;
#define MAX_VIF_OFFSET 15
#define MAX_WAIT_TIME 1500
#ifdef WLAIBSS_MCHAN
#define IBSS_IF_NAME "ibss%d"
#endif /* WLAIBSS_MCHAN */
#ifdef VSDB
/* sleep time to keep STA's connecting or connection for continuous af tx or finding a peer */
#define DEFAULT_SLEEP_TIME_VSDB 120
#define OFF_CHAN_TIME_THRESHOLD_MS 200
#define AF_RETRY_DELAY_TIME 40
/* if sta is connected or connecting, sleep for a while before retry af tx or finding a peer */
#define WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(cfg) \
do { \
if (wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg)) || \
wl_get_drv_status(cfg, CONNECTING, bcmcfg_to_prmry_ndev(cfg))) { \
OSL_SLEEP(DEFAULT_SLEEP_TIME_VSDB); \
} \
} while (0)
#else /* VSDB */
/* if not VSDB, do nothing */
#define WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(cfg)
#endif /* VSDB */
#define DNGL_FUNC(func, parameters) func parameters
#define COEX_DHCP
#define WLAN_EID_SSID 0
#define CH_MIN_5G_CHANNEL 34
#define CH_MIN_2G_CHANNEL 1
#define ACTIVE_SCAN 1
#define PASSIVE_SCAN 0
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
#define BCM_SET_LIST_FIRST_ENTRY(entry, ptr, type, member) \
_Pragma("GCC diagnostic push") \
_Pragma("GCC diagnostic ignored \"-Wcast-qual\"") \
(entry) = list_first_entry((ptr), type, member); \
_Pragma("GCC diagnostic pop") \
#define BCM_SET_CONTAINER_OF(entry, ptr, type, member) \
_Pragma("GCC diagnostic push") \
_Pragma("GCC diagnostic ignored \"-Wcast-qual\"") \
entry = container_of((ptr), type, member); \
_Pragma("GCC diagnostic pop") \
#else
#define BCM_SET_LIST_FIRST_ENTRY(entry, ptr, type, member) \
(entry) = list_first_entry((ptr), type, member); \
#define BCM_SET_CONTAINER_OF(entry, ptr, type, member) \
entry = container_of((ptr), type, member); \
#endif /* STRICT_GCC_WARNINGS */
#ifdef WL_RELMCAST
enum rmc_event_type {
RMC_EVENT_NONE,
RMC_EVENT_LEADER_CHECK_FAIL
};
#endif /* WL_RELMCAST */
#ifdef WL_LASTEVT
typedef struct wl_last_event {
uint32 current_time; /* current tyime */
uint32 timestamp; /* event timestamp */
wl_event_msg_t event; /* Encapsulated event */
} wl_last_event_t;
#endif /* WL_LASTEVT */
/* This is to override regulatory domains defined in cfg80211 module (reg.c)
* By default world regulatory domain defined in reg.c puts the flags NL80211_RRF_PASSIVE_SCAN
* and NL80211_RRF_NO_IBSS for 5GHz channels (for 36..48 and 149..165).
* With respect to these flags, wpa_supplicant doesn't start p2p operations on 5GHz channels.
* All the chnages in world regulatory domain are to be done here.
*
* this definition reuires disabling missing-field-initializer warning
* as the ieee80211_regdomain definition differs in plain linux and in Android
*/
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic push")
_Pragma("GCC diagnostic ignored \"-Wmissing-field-initializers\"")
#endif // endif
static const struct ieee80211_regdomain brcm_regdom = {
.n_reg_rules = 4,
.alpha2 = "99",
.reg_rules = {
/* IEEE 802.11b/g, channels 1..11 */
REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
/* If any */
/* IEEE 802.11 channel 14 - Only JP enables
* this and for 802.11b only
*/
REG_RULE(2484-10, 2484+10, 20, 6, 20, 0),
/* IEEE 802.11a, channel 36..64 */
REG_RULE(5150-10, 5350+10, 40, 6, 20, 0),
/* IEEE 802.11a, channel 100..165 */
REG_RULE(5470-10, 5850+10, 40, 6, 20, 0), }
};
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic pop")
#endif // endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) && \
(defined(WL_IFACE_COMB_NUM_CHANNELS) || defined(WL_CFG80211_P2P_DEV_IF))
static const struct ieee80211_iface_limit common_if_limits[] = {
{
/*
* Driver can support up to 2 AP's
*/
.max = 2,
.types = BIT(NL80211_IFTYPE_AP),
},
{
/*
* During P2P-GO removal, P2P-GO is first changed to STA and later only
* removed. So setting maximum possible number of STA interfaces according
* to kernel version.
*
* less than linux-3.8 - max:3 (wlan0 + p2p0 + group removal of p2p-p2p0-x)
* linux-3.8 and above - max:4
* sta + NAN NMI + NAN DPI open + NAN DPI sec (since there is no iface type
* for NAN defined, registering it as STA type)
*/
#ifdef WL_ENABLE_P2P_IF
.max = 5,
#else
.max = 4,
#endif /* WL_ENABLE_P2P_IF */
.types = BIT(NL80211_IFTYPE_STATION),
},
{
.max = 2,
.types = BIT(NL80211_IFTYPE_P2P_GO) | BIT(NL80211_IFTYPE_P2P_CLIENT),
},
#if defined(WL_CFG80211_P2P_DEV_IF)
{
.max = 1,
.types = BIT(NL80211_IFTYPE_P2P_DEVICE),
},
#endif /* WL_CFG80211_P2P_DEV_IF */
{
.max = 1,
.types = BIT(NL80211_IFTYPE_ADHOC),
},
};
#define NUM_DIFF_CHANNELS 2
static const struct ieee80211_iface_combination
common_iface_combinations[] = {
{
.num_different_channels = NUM_DIFF_CHANNELS,
/*
* max_interfaces = 4
* The max no of interfaces will be used in dual p2p case.
* {STA, P2P Device, P2P Group 1, P2P Group 2}. Though we
* will not be using the STA functionality in this case, it
* will remain registered as it is the primary interface.
*/
.max_interfaces = 4,
.limits = common_if_limits,
.n_limits = ARRAY_SIZE(common_if_limits),
},
};
#endif /* LINUX_VER >= 3.0 && (WL_IFACE_COMB_NUM_CHANNELS || WL_CFG80211_P2P_DEV_IF) */
static const char *wl_if_state_strs[WL_IF_STATE_MAX + 1] = {
"WL_IF_CREATE_REQ",
"WL_IF_CREATE_DONE",
"WL_IF_DELETE_REQ",
"WL_IF_DELETE_DONE",
"WL_IF_CHANGE_REQ",
"WL_IF_CHANGE_DONE",
"WL_IF_STATE_MAX"
};
#ifdef BCMWAPI_WPI
#if defined(ANDROID_PLATFORM_VERSION) && (ANDROID_PLATFORM_VERSION >= 8)
/* WAPI define in ieee80211.h is used */
#else
#undef WLAN_AKM_SUITE_WAPI_PSK
#define WLAN_AKM_SUITE_WAPI_PSK 0x000FAC04
#undef WLAN_AKM_SUITE_WAPI_CERT
#define WLAN_AKM_SUITE_WAPI_CERT 0x000FAC12
#undef NL80211_WAPI_VERSION_1
#define NL80211_WAPI_VERSION_1 1 << 2
#endif /* ANDROID_PLATFORM_VERSION && ANDROID_PLATFORM_VERSION >= 8 */
#endif /* BCMWAPI_WPI */
/* Data Element Definitions */
#define WPS_ID_CONFIG_METHODS 0x1008
#define WPS_ID_REQ_TYPE 0x103A
#define WPS_ID_DEVICE_NAME 0x1011
#define WPS_ID_VERSION 0x104A
#define WPS_ID_DEVICE_PWD_ID 0x1012
#define WPS_ID_REQ_DEV_TYPE 0x106A
#define WPS_ID_SELECTED_REGISTRAR_CONFIG_METHODS 0x1053
#define WPS_ID_PRIM_DEV_TYPE 0x1054
/* Device Password ID */
#define DEV_PW_DEFAULT 0x0000
#define DEV_PW_USER_SPECIFIED 0x0001,
#define DEV_PW_MACHINE_SPECIFIED 0x0002
#define DEV_PW_REKEY 0x0003
#define DEV_PW_PUSHBUTTON 0x0004
#define DEV_PW_REGISTRAR_SPECIFIED 0x0005
/* Config Methods */
#define WPS_CONFIG_USBA 0x0001
#define WPS_CONFIG_ETHERNET 0x0002
#define WPS_CONFIG_LABEL 0x0004
#define WPS_CONFIG_DISPLAY 0x0008
#define WPS_CONFIG_EXT_NFC_TOKEN 0x0010
#define WPS_CONFIG_INT_NFC_TOKEN 0x0020
#define WPS_CONFIG_NFC_INTERFACE 0x0040
#define WPS_CONFIG_PUSHBUTTON 0x0080
#define WPS_CONFIG_KEYPAD 0x0100
#define WPS_CONFIG_VIRT_PUSHBUTTON 0x0280
#define WPS_CONFIG_PHY_PUSHBUTTON 0x0480
#define WPS_CONFIG_VIRT_DISPLAY 0x2008
#define WPS_CONFIG_PHY_DISPLAY 0x4008
#define PM_BLOCK 1
#define PM_ENABLE 0
#ifdef BCMCCX
#ifndef WLAN_AKM_SUITE_CCKM
#define WLAN_AKM_SUITE_CCKM 0x00409600
#endif // endif
#define DOT11_LEAP_AUTH 0x80 /* LEAP auth frame paylod constants */
#endif /* BCMCCX */
#define WL_AKM_SUITE_SHA256_1X 0x000FAC05
#define WL_AKM_SUITE_SHA256_PSK 0x000FAC06
#ifndef IBSS_COALESCE_ALLOWED
#define IBSS_COALESCE_ALLOWED IBSS_COALESCE_DEFAULT
#endif // endif
#ifndef IBSS_INITIAL_SCAN_ALLOWED
#define IBSS_INITIAL_SCAN_ALLOWED IBSS_INITIAL_SCAN_ALLOWED_DEFAULT
#endif // endif
#define CUSTOM_RETRY_MASK 0xff000000 /* Mask for retry counter of custom dwell time */
#define LONG_LISTEN_TIME 2000
#ifdef SUPPORT_AP_RADIO_PWRSAVE
#define RADIO_PWRSAVE_PPS 10
#define RADIO_PWRSAVE_QUIET_TIME 10
#define RADIO_PWRSAVE_LEVEL 3
#define RADIO_PWRSAVE_STAS_ASSOC_CHECK 0
#define RADIO_PWRSAVE_LEVEL_MIN 1
#define RADIO_PWRSAVE_LEVEL_MAX 5
#define RADIO_PWRSAVE_PPS_MIN 1
#define RADIO_PWRSAVE_QUIETTIME_MIN 1
#define RADIO_PWRSAVE_ASSOCCHECK_MIN 0
#define RADIO_PWRSAVE_ASSOCCHECK_MAX 1
#define RADIO_PWRSAVE_MAJOR_VER 1
#define RADIO_PWRSAVE_MINOR_VER 1
#define RADIO_PWRSAVE_MAJOR_VER_SHIFT 8
#define RADIO_PWRSAVE_VERSION \
((RADIO_PWRSAVE_MAJOR_VER << RADIO_PWRSAVE_MAJOR_VER_SHIFT)| RADIO_PWRSAVE_MINOR_VER)
#endif /* SUPPORT_AP_RADIO_PWRSAVE */
#define MIN_P2P_IE_LEN 8 /* p2p_ie->OUI(3) + p2p_ie->oui_type(1) +
* Attribute ID(1) + Length(2) + 1(Mininum length:1)
*/
#define MAX_P2P_IE_LEN 251 /* Up To 251 */
#define MAX_VNDR_OUI_STR_LEN 256
#define VNDR_OUI_STR_LEN 10
static const uchar *exclude_vndr_oui_list[] = {
"\x00\x50\xf2", /* Microsoft */
"\x00\x00\xf0", /* Samsung Elec */
WFA_OUI, /* WFA */
NULL
};
typedef struct wl_vndr_oui_entry {
uchar oui[DOT11_OUI_LEN];
struct list_head list;
} wl_vndr_oui_entry_t;
static int wl_vndr_ies_get_vendor_oui(struct bcm_cfg80211 *cfg,
struct net_device *ndev, char *vndr_oui, u32 vndr_oui_len);
static void wl_vndr_ies_clear_vendor_oui_list(struct bcm_cfg80211 *cfg);
#if defined(WL_FW_OCE_AP_SELECT)
static bool
wl_cfgoce_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len, const u8 *oui, u32 oui_len, u8 type);
/* Check whether the given IE looks like WFA OCE IE. */
#define wl_cfgoce_is_oce_ie(ie, tlvs, len) wl_cfgoce_has_ie(ie, tlvs, len, \
(const uint8 *)WFA_OUI, WFA_OUI_LEN, WFA_OUI_TYPE_MBO_OCE)
/* Is any of the tlvs the expected entry? If
* not update the tlvs buffer pointer/length.
*/
static bool
wl_cfgoce_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len, const u8 *oui, u32 oui_len, u8 type)
{
/* If the contents match the OUI and the type */
if (ie[TLV_LEN_OFF] >= oui_len + 1 &&
!bcmp(&ie[TLV_BODY_OFF], oui, oui_len) &&
type == ie[TLV_BODY_OFF + oui_len]) {
return TRUE;
}
return FALSE;
}
#endif /* WL_FW_OCE_AP_SELECT */
/*
* cfg80211_ops api/callback list
*/
static s32 wl_frame_get_mgmt(struct bcm_cfg80211 *cfg, u16 fc,
const struct ether_addr *da, const struct ether_addr *sa,
const struct ether_addr *bssid, u8 **pheader, u32 *body_len, u8 *pbody);
static s32 __wl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
struct cfg80211_scan_request *request,
struct cfg80211_ssid *this_ssid);
#if defined(WL_CFG80211_P2P_DEV_IF)
static s32
wl_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request);
#else
static s32
wl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
struct cfg80211_scan_request *request);
#endif /* WL_CFG80211_P2P_DEV_IF */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0))
static void wl_cfg80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev);
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0)) */
static s32 wl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed);
#ifdef WLAIBSS_MCHAN
static bcm_struct_cfgdev* bcm_cfg80211_add_ibss_if(struct wiphy *wiphy, char *name);
static s32 bcm_cfg80211_del_ibss_if(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev);
#endif /* WLAIBSS_MCHAN */
static s32 wl_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_ibss_params *params);
static s32 wl_cfg80211_leave_ibss(struct wiphy *wiphy,
struct net_device *dev);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
static s32 wl_cfg80211_get_station(struct wiphy *wiphy,
struct net_device *dev, const u8 *mac,
struct station_info *sinfo);
#else
static s32 wl_cfg80211_get_station(struct wiphy *wiphy,
struct net_device *dev, u8 *mac,
struct station_info *sinfo);
#endif // endif
static s32 wl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
struct net_device *dev, bool enabled,
s32 timeout);
static int wl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_connect_params *sme);
#if defined(WL_FILS)
static int wl_cfg80211_update_connect_params(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_connect_params *sme, u32 changed);
#endif /* WL_FILS */
static s32 wl_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
u16 reason_code);
#if defined(WL_CFG80211_P2P_DEV_IF)
static s32
wl_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
enum nl80211_tx_power_setting type, s32 mbm);
#else
static s32
wl_cfg80211_set_tx_power(struct wiphy *wiphy,
enum nl80211_tx_power_setting type, s32 dbm);
#endif /* WL_CFG80211_P2P_DEV_IF */
#if defined(WL_CFG80211_P2P_DEV_IF)
static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy,
struct wireless_dev *wdev, s32 *dbm);
#else
static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm);
#endif /* WL_CFG80211_P2P_DEV_IF */
static s32 wl_cfg80211_config_default_key(struct wiphy *wiphy,
struct net_device *dev,
u8 key_idx, bool unicast, bool multicast);
static s32 wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev,
u8 key_idx, bool pairwise, const u8 *mac_addr,
struct key_params *params);
static s32 wl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *dev,
u8 key_idx, bool pairwise, const u8 *mac_addr);
static s32 wl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *dev,
u8 key_idx, bool pairwise, const u8 *mac_addr,
void *cookie, void (*callback) (void *cookie,
struct key_params *params));
static s32 wl_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
struct net_device *dev, u8 key_idx);
static s32 wl_cfg80211_resume(struct wiphy *wiphy);
#if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \
2, 0))
static s32 wl_cfg80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
bcm_struct_cfgdev *cfgdev, u64 cookie);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
static s32 wl_cfg80211_del_station(
struct wiphy *wiphy, struct net_device *ndev,
struct station_del_parameters *params);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
static s32 wl_cfg80211_del_station(struct wiphy *wiphy,
struct net_device *ndev, const u8* mac_addr);
#else
static s32 wl_cfg80211_del_station(struct wiphy *wiphy,
struct net_device *ndev, u8* mac_addr);
#endif // endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
static s32 wl_cfg80211_change_station(struct wiphy *wiphy,
struct net_device *dev, const u8 *mac, struct station_parameters *params);
#else
static s32 wl_cfg80211_change_station(struct wiphy *wiphy,
struct net_device *dev, u8 *mac, struct station_parameters *params);
#endif // endif
#endif /* WL_SUPPORT_BACKPORTED_KPATCHES || KERNEL_VER >= KERNEL_VERSION(3, 2, 0)) */
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS)
static s32 wl_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
#else
static s32 wl_cfg80211_suspend(struct wiphy *wiphy);
#endif // endif
static s32 wl_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_pmksa *pmksa);
static s32 wl_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_pmksa *pmksa);
static s32 wl_cfg80211_flush_pmksa(struct wiphy *wiphy,
struct net_device *dev);
void wl_cfg80211_scan_abort(struct bcm_cfg80211 *cfg);
static void wl_cfg80211_cancel_scan(struct bcm_cfg80211 *cfg);
static s32 wl_notify_escan_complete(struct bcm_cfg80211 *cfg,
struct net_device *ndev, bool aborted, bool fw_abort);
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS)
#if (defined(CONFIG_ARCH_MSM) && defined(TDLS_MGMT_VERSION2)) || (LINUX_VERSION_CODE < \
KERNEL_VERSION(3, 16, 0) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
static s32 wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, u8 action_code, u8 dialog_token, u16 status_code,
u32 peer_capability, const u8 *buf, size_t len);
#elif ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0)))
static s32 wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code,
u32 peer_capability, const u8 *buf, size_t len);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0))
static s32 wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code,
u32 peer_capability, bool initiator, const u8 *buf, size_t len);
#else /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */
static s32 wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, u8 action_code, u8 dialog_token, u16 status_code,
const u8 *buf, size_t len);
#endif /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
static s32 wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, enum nl80211_tdls_operation oper);
#else
static s32 wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, enum nl80211_tdls_operation oper);
#endif // endif
#endif /* LINUX_VERSION > KERNEL_VERSION(3,2,0) || WL_COMPAT_WIRELESS */
#ifdef WL_SCHED_SCAN
static int wl_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0))
, u64 reqid
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) */
#endif /* WL_SCHED_SCAN */
static s32 wl_cfg80211_set_ap_role(struct bcm_cfg80211 *cfg, struct net_device *dev);
struct wireless_dev *
wl_cfg80211_create_iface(struct wiphy *wiphy, wl_iftype_t
iface_type, u8 *mac_addr, const char *name);
s32
wl_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev);
s32 wl_cfg80211_interface_ops(struct bcm_cfg80211 *cfg,
struct net_device *ndev, s32 bsscfg_idx,
wl_iftype_t iftype, s32 del, u8 *addr);
s32 wl_cfg80211_add_del_bss(struct bcm_cfg80211 *cfg,
struct net_device *ndev, s32 bsscfg_idx,
wl_iftype_t brcm_iftype, s32 del, u8 *addr);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || defined(WL_COMPAT_WIRELESS)
static s32 wl_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) */
#ifdef GTK_OFFLOAD_SUPPORT
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0))
static s32 wl_cfg80211_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_gtk_rekey_data *data);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0) */
#endif /* GTK_OFFLOAD_SUPPORT */
chanspec_t wl_chspec_driver_to_host(chanspec_t chanspec);
chanspec_t wl_chspec_host_to_driver(chanspec_t chanspec);
static void wl_cfg80211_wait_for_disconnection(struct bcm_cfg80211 *cfg, struct net_device *dev);
/*
* event & event Q handlers for cfg80211 interfaces
*/
static s32 wl_create_event_handler(struct bcm_cfg80211 *cfg);
static void wl_destroy_event_handler(struct bcm_cfg80211 *cfg);
static void wl_event_handler(struct work_struct *work_data);
static void wl_init_eq(struct bcm_cfg80211 *cfg);
static void wl_flush_eq(struct bcm_cfg80211 *cfg);
static unsigned long wl_lock_eq(struct bcm_cfg80211 *cfg);
static void wl_unlock_eq(struct bcm_cfg80211 *cfg, unsigned long flags);
static void wl_init_eq_lock(struct bcm_cfg80211 *cfg);
static void wl_init_event_handler(struct bcm_cfg80211 *cfg);
static struct wl_event_q *wl_deq_event(struct bcm_cfg80211 *cfg);
static s32 wl_enq_event(struct bcm_cfg80211 *cfg, struct net_device *ndev, u32 type,
const wl_event_msg_t *msg, void *data);
static void wl_put_event(struct bcm_cfg80211 *cfg, struct wl_event_q *e);
static s32 wl_notify_connect_status_ap(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const wl_event_msg_t *e, void *data);
static s32 wl_notify_connect_status(struct bcm_cfg80211 *cfg,
bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data);
static s32 wl_notify_roaming_status(struct bcm_cfg80211 *cfg,
bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data);
static s32 wl_notify_scan_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data);
static s32 wl_bss_connect_done(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const wl_event_msg_t *e, void *data, bool completed);
static s32 wl_bss_roaming_done(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const wl_event_msg_t *e, void *data);
static s32 wl_notify_mic_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data);
#ifdef BT_WIFI_HANDOVER
static s32 wl_notify_bt_wifi_handover_req(struct bcm_cfg80211 *cfg,
bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data);
#endif /* BT_WIFI_HANDOVER */
#ifdef WL_SCHED_SCAN
static s32
wl_notify_sched_scan_results(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const wl_event_msg_t *e, void *data);
#endif /* WL_SCHED_SCAN */
#ifdef PNO_SUPPORT
static s32 wl_notify_pfn_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data);
#endif /* PNO_SUPPORT */
#ifdef GSCAN_SUPPORT
static s32 wl_notify_gscan_event(struct bcm_cfg80211 *wl, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data);
static s32 wl_handle_roam_exp_event(struct bcm_cfg80211 *wl, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data);
#endif /* GSCAN_SUPPORT */
#ifdef RSSI_MONITOR_SUPPORT
static s32 wl_handle_rssi_monitor_event(struct bcm_cfg80211 *wl, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data);
#endif /* RSSI_MONITOR_SUPPORT */
static s32 wl_notifier_change_state(struct bcm_cfg80211 *cfg, struct net_info *_net_info,
enum wl_status state, bool set);
#ifdef CUSTOM_EVENT_PM_WAKE
static s32 wl_check_pmstatus(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data);
#endif /* CUSTOM_EVENT_PM_WAKE */
#if defined(DHD_LOSSLESS_ROAMING) || defined(DBG_PKT_MON)
static s32 wl_notify_roam_prep_status(struct bcm_cfg80211 *cfg,
bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data);
#endif /* DHD_LOSSLESS_ROAMING || DBG_PKT_MON */
#ifdef DHD_LOSSLESS_ROAMING
static void wl_del_roam_timeout(struct bcm_cfg80211 *cfg);
#endif /* DHD_LOSSLESS_ROAMING */
#ifdef WL_MBO
static s32
wl_mbo_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data);
#endif /* WL_MBO */
#ifdef WLTDLS
static s32 wl_cfg80211_tdls_config(struct bcm_cfg80211 *cfg,
enum wl_tdls_config state, bool tdls_mode);
static s32 wl_tdls_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data);
#endif /* WLTDLS */
/*
* register/deregister parent device
*/
static void wl_cfg80211_clear_parent_dev(void);
/*
* ioctl utilites
*/
/*
* cfg80211 set_wiphy_params utilities
*/
static s32 wl_set_frag(struct net_device *dev, u32 frag_threshold);
static s32 wl_set_rts(struct net_device *dev, u32 frag_threshold);
static s32 wl_set_retry(struct net_device *dev, u32 retry, bool l);
/*
* cfg profile utilities
*/
static s32 wl_update_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const wl_event_msg_t *e, const void *data, s32 item);
static void *wl_read_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 item);
static void wl_init_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev);
/*
* cfg80211 connect utilites
*/
static s32 wl_set_wpa_version(struct net_device *dev,
struct cfg80211_connect_params *sme);
static s32 wl_set_auth_type(struct net_device *dev,
struct cfg80211_connect_params *sme);
static s32 wl_set_set_cipher(struct net_device *dev,
struct cfg80211_connect_params *sme);
static s32 wl_set_key_mgmt(struct net_device *dev,
struct cfg80211_connect_params *sme);
static s32 wl_set_set_sharedkey(struct net_device *dev,
struct cfg80211_connect_params *sme);
#ifdef WL_FILS
static s32 wl_set_fils_params(struct net_device *dev,
struct cfg80211_connect_params *sme);
#endif // endif
#ifdef BCMWAPI_WPI
static s32 wl_set_set_wapi_ie(struct net_device *dev,
struct cfg80211_connect_params *sme);
#endif // endif
static s32 wl_get_assoc_ies(struct bcm_cfg80211 *cfg, struct net_device *ndev);
static s32 wl_ch_to_chanspec(struct net_device *dev, int ch,
struct wl_join_params *join_params, size_t *join_params_size);
void wl_cfg80211_clear_security(struct bcm_cfg80211 *cfg);
/*
* information element utilities
*/
static void wl_rst_ie(struct bcm_cfg80211 *cfg);
static __used s32 wl_add_ie(struct bcm_cfg80211 *cfg, u8 t, u8 l, u8 *v);
static void wl_update_hidden_ap_ie(wl_bss_info_t *bi, const u8 *ie_stream, u32 *ie_size,
bool roam);
static s32 wl_mrg_ie(struct bcm_cfg80211 *cfg, u8 *ie_stream, u16 ie_size);
static s32 wl_cp_ie(struct bcm_cfg80211 *cfg, u8 *dst, u16 dst_size);
static u32 wl_get_ielen(struct bcm_cfg80211 *cfg);
#ifdef MFP
static int wl_cfg80211_get_rsn_capa(const bcm_tlv_t *wpa2ie, const u8** rsn_cap);
#endif // endif
#ifdef WL11U
static bcm_tlv_t *
wl_cfg80211_find_interworking_ie(const u8 *parse, u32 len);
static s32
wl_cfg80211_clear_iw_ie(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 bssidx);
static s32
wl_cfg80211_add_iw_ie(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 bssidx, s32 pktflag,
uint8 ie_id, uint8 *data, uint8 data_len);
#endif /* WL11U */
static s32 wl_setup_wiphy(struct wireless_dev *wdev, struct device *dev, dhd_pub_t *data);
static void wl_free_wdev(struct bcm_cfg80211 *cfg);
static s32 wl_inform_bss(struct bcm_cfg80211 *cfg);
static s32 wl_inform_single_bss(struct bcm_cfg80211 *cfg, wl_bss_info_t *bi, bool roam);
static s32 wl_update_bss_info(struct bcm_cfg80211 *cfg, struct net_device *ndev, bool roam);
static chanspec_t wl_cfg80211_get_shared_freq(struct wiphy *wiphy);
s32 wl_cfg80211_channel_to_freq(u32 channel);
#ifdef WL_IRQSET
static void wl_irq_set_work_handler(struct work_struct *work);
#define IRQ_SET_DURATION 23000
#endif /* WL_IRQSET */
static void wl_cfg80211_work_handler(struct work_struct *work);
static s32 wl_add_keyext(struct wiphy *wiphy, struct net_device *dev,
u8 key_idx, const u8 *mac_addr,
struct key_params *params);
/*
* key indianess swap utilities
*/
static void swap_key_from_BE(struct wl_wsec_key *key);
static void swap_key_to_BE(struct wl_wsec_key *key);
/*
* bcm_cfg80211 memory init/deinit utilities
*/
static s32 wl_init_priv_mem(struct bcm_cfg80211 *cfg);
static void wl_deinit_priv_mem(struct bcm_cfg80211 *cfg);
static void wl_delay(u32 ms);
/*
* ibss mode utilities
*/
static bool wl_is_ibssmode(struct bcm_cfg80211 *cfg, struct net_device *ndev);
static __used bool wl_is_ibssstarter(struct bcm_cfg80211 *cfg);
/*
* link up/down , default configuration utilities
*/
static s32 __wl_cfg80211_up(struct bcm_cfg80211 *cfg);
static s32 __wl_cfg80211_down(struct bcm_cfg80211 *cfg);
#ifdef WL_LASTEVT
static bool wl_is_linkdown(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e, void *data);
#define WL_IS_LINKDOWN(cfg, e, data) wl_is_linkdown(cfg, e, data)
#else
static bool wl_is_linkdown(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e);
#define WL_IS_LINKDOWN(cfg, e, data) wl_is_linkdown(cfg, e)
#endif /* WL_LASTEVT */
static bool wl_is_linkup(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e,
struct net_device *ndev);
static bool wl_is_nonetwork(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e);
static void wl_link_up(struct bcm_cfg80211 *cfg);
static void wl_link_down(struct bcm_cfg80211 *cfg);
static s32 wl_config_infra(struct bcm_cfg80211 *cfg, struct net_device *ndev, u16 iftype);
static void wl_init_conf(struct wl_conf *conf);
int wl_cfg80211_get_ioctl_version(void);
/*
* find most significant bit set
*/
static __used u32 wl_find_msb(u16 bit16);
/*
* rfkill support
*/
static int wl_setup_rfkill(struct bcm_cfg80211 *cfg, bool setup);
static int wl_rfkill_set(void *data, bool blocked);
#ifdef DEBUGFS_CFG80211
static s32 wl_setup_debugfs(struct bcm_cfg80211 *cfg);
static s32 wl_free_debugfs(struct bcm_cfg80211 *cfg);
#endif // endif
static wl_scan_params_t *wl_cfg80211_scan_alloc_params(struct bcm_cfg80211 *cfg,
int channel, int nprobes, int *out_params_size);
static bool check_dev_role_integrity(struct bcm_cfg80211 *cfg, u32 dev_role);
#ifdef WL_CFG80211_ACL
/* ACL */
static int wl_cfg80211_set_mac_acl(struct wiphy *wiphy, struct net_device *cfgdev,
const struct cfg80211_acl_data *acl);
#endif /* WL_CFG80211_ACL */
/*
* Some external functions, TODO: move them to dhd_linux.h
*/
int dhd_add_monitor(const char *name, struct net_device **new_ndev);
int dhd_del_monitor(struct net_device *ndev);
int dhd_monitor_init(void *dhd_pub);
int dhd_monitor_uninit(void);
int dhd_start_xmit(struct sk_buff *skb, struct net_device *net);
#ifdef ESCAN_CHANNEL_CACHE
void reset_roam_cache(struct bcm_cfg80211 *cfg);
void add_roam_cache(struct bcm_cfg80211 *cfg, wl_bss_info_t *bi);
int get_roam_channel_list(int target_chan, chanspec_t *channels,
int n_channels, const wlc_ssid_t *ssid, int ioctl_ver);
void set_roam_band(int band);
#endif /* ESCAN_CHANNEL_CACHE */
#ifdef ROAM_CHANNEL_CACHE
int init_roam_cache(struct bcm_cfg80211 *cfg, int ioctl_ver);
void print_roam_cache(struct bcm_cfg80211 *cfg);
void update_roam_cache(struct bcm_cfg80211 *cfg, int ioctl_ver);
#endif /* ROAM_CHANNEL_CACHE */
#ifdef P2P_LISTEN_OFFLOADING
s32 wl_cfg80211_p2plo_deinit(struct bcm_cfg80211 *cfg);
#endif /* P2P_LISTEN_OFFLOADING */
#ifdef PKT_FILTER_SUPPORT
extern uint dhd_pkt_filter_enable;
extern uint dhd_master_mode;
extern void dhd_pktfilter_offload_enable(dhd_pub_t * dhd, char *arg, int enable, int master_mode);
#endif /* PKT_FILTER_SUPPORT */
#ifdef SUPPORT_SET_CAC
static void wl_cfg80211_set_cac(struct bcm_cfg80211 *cfg, int enable);
#endif /* SUPPORT_SET_CAC */
static int wl_cfg80211_delayed_roam(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const struct ether_addr *bssid);
static s32 __wl_update_wiphybands(struct bcm_cfg80211 *cfg, bool notify);
static s32 cfg80211_to_wl_iftype(uint16 type, uint16 *role, uint16 *mode);
static s32 wl_check_vif_support(struct bcm_cfg80211 *cfg, wl_iftype_t wl_iftype);
bool wl_is_wps_enrollee_active(struct net_device *ndev, const u8 *ie_ptr, u16 len);
#ifdef WL_WPS_SYNC
static void wl_init_wps_reauth_sm(struct bcm_cfg80211 *cfg);
static void wl_deinit_wps_reauth_sm(struct bcm_cfg80211 *cfg);
static void wl_wps_reauth_timeout(unsigned long data);
static s32 wl_get_free_wps_inst(struct bcm_cfg80211 *cfg);
static s32 wl_get_wps_inst_match(struct bcm_cfg80211 *cfg, struct net_device *ndev);
static s32 wl_wps_session_add(struct net_device *ndev, u16 mode, u8 *peer_mac);
static void wl_wps_session_del(struct net_device *ndev);
static s32 wl_wps_session_update(struct net_device *ndev, u16 state, const u8 *peer_mac);
static void wl_wps_handle_ifdel(struct net_device *ndev);
#endif /* WL_WPS_SYNC */
const u8 *wl_find_attribute(const u8 *buf, u16 len, u16 element_id);
#if defined(WL_FW_OCE_AP_SELECT)
bool static wl_cfg80211_is_oce_ap(struct wiphy *wiphy, const u8 *bssid_hint);
#endif /* WL_FW_OCE_AP_SELECT */
static int bw2cap[] = { 0, 0, WLC_BW_CAP_20MHZ, WLC_BW_CAP_40MHZ, WLC_BW_CAP_80MHZ,
WLC_BW_CAP_160MHZ, WLC_BW_CAP_160MHZ };
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)) || (defined(CONFIG_ARCH_MSM) && \
defined(CFG80211_DISCONNECTED_V2))
#define CFG80211_DISCONNECTED(dev, reason, ie, len, loc_gen, gfp) \
cfg80211_disconnected(dev, reason, ie, len, loc_gen, gfp);
#elif (LINUX_VERSION_CODE < KERNEL_VERSION(4, 2, 0))
#define CFG80211_DISCONNECTED(dev, reason, ie, len, loc_gen, gfp) \
BCM_REFERENCE(loc_gen); \
cfg80211_disconnected(dev, reason, ie, len, gfp);
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)) */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)) || (defined(CONFIG_ARCH_MSM) && \
defined(CFG80211_DISCONNECTED_V2))
#define CFG80211_GET_BSS(wiphy, channel, bssid, ssid, ssid_len) \
cfg80211_get_bss(wiphy, channel, bssid, ssid, ssid_len, \
IEEE80211_BSS_TYPE_ESS, IEEE80211_PRIVACY_ANY);
#else
#define CFG80211_GET_BSS(wiphy, channel, bssid, ssid, ssid_len) \
cfg80211_get_bss(wiphy, channel, bssid, ssid, ssid_len, \
WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)) */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0))
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)) || \
defined(CFG80211_CONNECT_TIMEOUT_REASON_CODE) || defined(WL_FILS) || \
defined(CONFIG_CFG80211_FILS_BKPORT)
#define CFG80211_CONNECT_RESULT(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \
resp_ie_len, status, gfp) \
cfg80211_connect_bss(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \
resp_ie_len, status, gfp, NL80211_TIMEOUT_UNSPECIFIED);
#else
#define CFG80211_CONNECT_RESULT(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \
resp_ie_len, status, gfp) \
cfg80211_connect_bss(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \
resp_ie_len, status, gfp);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0) || \
* (CFG80211_CONNECT_TIMEOUT_REASON_CODE) ||
* WL_FILS || CONFIG_CFG80211_FILS_BKPORT
*/
#elif defined(CFG80211_CONNECT_TIMEOUT_REASON_CODE)
/* There are customer kernels with backported changes for
* connect timeout. CFG80211_CONNECT_TIMEOUT_REASON_CODE define
* is available for kernels < 4.7 in such cases.
*/
#define CFG80211_CONNECT_RESULT(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \
resp_ie_len, status, gfp) \
cfg80211_connect_bss(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \
resp_ie_len, status, gfp, NL80211_TIMEOUT_UNSPECIFIED);
#else
/* Kernels < 4.7 doesn't support cfg80211_connect_bss */
#define CFG80211_CONNECT_RESULT(dev, bssid, bss, req_ie, req_ie_len, resp_ie, \
resp_ie_len, status, gfp) \
cfg80211_connect_result(dev, bssid, req_ie, req_ie_len, resp_ie, \
resp_ie_len, status, gfp);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0) */
#define IS_WPA_AKM(akm) ((akm) == RSN_AKM_NONE || \
(akm) == RSN_AKM_UNSPECIFIED || \
(akm) == RSN_AKM_PSK)
extern int dhd_wait_pend8021x(struct net_device *dev);
#ifdef PROP_TXSTATUS_VSDB
extern int disable_proptx;
#endif /* PROP_TXSTATUS_VSDB */
static int wl_cfg80211_check_in4way(struct bcm_cfg80211 *cfg,
struct net_device *dev, uint action, enum wl_ext_status status, void *context);
extern int passive_channel_skip;
static s32
wl_ap_start_ind(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data);
static s32
wl_csa_complete_ind(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data);
#if ((LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0)) && (LINUX_VERSION_CODE <= (3, 7, \
0)))
struct chan_info {
int freq;
int chan_type;
};
#endif // endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0))
#define CFG80211_PUT_BSS(wiphy, bss) cfg80211_put_bss(wiphy, bss);
#else
#define CFG80211_PUT_BSS(wiphy, bss) cfg80211_put_bss(bss);
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */
#define CHAN2G(_channel, _freq, _flags) { \
.band = IEEE80211_BAND_2GHZ, \
.center_freq = (_freq), \
.hw_value = (_channel), \
.flags = (_flags), \
.max_antenna_gain = 0, \
.max_power = 30, \
}
#define CHAN5G(_channel, _flags) { \
.band = IEEE80211_BAND_5GHZ, \
.center_freq = 5000 + (5 * (_channel)), \
.hw_value = (_channel), \
.flags = (_flags), \
.max_antenna_gain = 0, \
.max_power = 30, \
}
#define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
#define RATETAB_ENT(_rateid, _flags) \
{ \
.bitrate = RATE_TO_BASE100KBPS(_rateid), \
.hw_value = (_rateid), \
.flags = (_flags), \
}
static struct ieee80211_rate __wl_rates[] = {
RATETAB_ENT(DOT11_RATE_1M, 0),
RATETAB_ENT(DOT11_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
RATETAB_ENT(DOT11_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
RATETAB_ENT(DOT11_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
RATETAB_ENT(DOT11_RATE_6M, 0),
RATETAB_ENT(DOT11_RATE_9M, 0),
RATETAB_ENT(DOT11_RATE_12M, 0),
RATETAB_ENT(DOT11_RATE_18M, 0),
RATETAB_ENT(DOT11_RATE_24M, 0),
RATETAB_ENT(DOT11_RATE_36M, 0),
RATETAB_ENT(DOT11_RATE_48M, 0),
RATETAB_ENT(DOT11_RATE_54M, 0)
};
#define wl_a_rates (__wl_rates + 4)
#define wl_a_rates_size 8
#define wl_g_rates (__wl_rates + 0)
#define wl_g_rates_size 12
static struct ieee80211_channel __wl_2ghz_channels[] = {
CHAN2G(1, 2412, 0),
CHAN2G(2, 2417, 0),
CHAN2G(3, 2422, 0),
CHAN2G(4, 2427, 0),
CHAN2G(5, 2432, 0),
CHAN2G(6, 2437, 0),
CHAN2G(7, 2442, 0),
CHAN2G(8, 2447, 0),
CHAN2G(9, 2452, 0),
CHAN2G(10, 2457, 0),
CHAN2G(11, 2462, 0),
CHAN2G(12, 2467, 0),
CHAN2G(13, 2472, 0),
CHAN2G(14, 2484, 0)
};
static struct ieee80211_channel __wl_5ghz_a_channels[] = {
CHAN5G(34, 0), CHAN5G(36, 0),
CHAN5G(38, 0), CHAN5G(40, 0),
CHAN5G(42, 0), CHAN5G(44, 0),
CHAN5G(46, 0), CHAN5G(48, 0),
CHAN5G(52, 0), CHAN5G(56, 0),
CHAN5G(60, 0), CHAN5G(64, 0),
CHAN5G(100, 0), CHAN5G(104, 0),
CHAN5G(108, 0), CHAN5G(112, 0),
CHAN5G(116, 0), CHAN5G(120, 0),
CHAN5G(124, 0), CHAN5G(128, 0),
CHAN5G(132, 0), CHAN5G(136, 0),
CHAN5G(140, 0), CHAN5G(144, 0),
CHAN5G(149, 0), CHAN5G(153, 0),
CHAN5G(157, 0), CHAN5G(161, 0),
CHAN5G(165, 0)
};
static struct ieee80211_supported_band __wl_band_2ghz = {
.band = IEEE80211_BAND_2GHZ,
.channels = __wl_2ghz_channels,
.n_channels = ARRAY_SIZE(__wl_2ghz_channels),
.bitrates = wl_g_rates,
.n_bitrates = wl_g_rates_size
};
static struct ieee80211_supported_band __wl_band_5ghz_a = {
.band = IEEE80211_BAND_5GHZ,
.channels = __wl_5ghz_a_channels,
.n_channels = ARRAY_SIZE(__wl_5ghz_a_channels),
.bitrates = wl_a_rates,
.n_bitrates = wl_a_rates_size
};
static const u32 __wl_cipher_suites[] = {
WLAN_CIPHER_SUITE_WEP40,
WLAN_CIPHER_SUITE_WEP104,
WLAN_CIPHER_SUITE_TKIP,
WLAN_CIPHER_SUITE_CCMP,
#ifdef MFP
/*
* Advertising AES_CMAC cipher suite to userspace would imply that we
* are supporting MFP. So advertise only when MFP support is enabled.
*/
WLAN_CIPHER_SUITE_AES_CMAC,
#endif /* MFP */
#ifdef BCMWAPI_WPI
WLAN_CIPHER_SUITE_SMS4,
#endif // endif
#if defined(WLAN_CIPHER_SUITE_PMK)
WLAN_CIPHER_SUITE_PMK,
#endif /* WLAN_CIPHER_SUITE_PMK */
};
#ifdef WL_SUPPORT_ACS
/*
* The firmware code required for this feature to work is currently under
* BCMINTERNAL flag. In future if this is to enabled we need to bring the
* required firmware code out of the BCMINTERNAL flag.
*/
struct wl_dump_survey {
u32 obss;
u32 ibss;
u32 no_ctg;
u32 no_pckt;
u32 tx;
u32 idle;
};
#endif /* WL_SUPPORT_ACS */
#ifdef WL_CFG80211_GON_COLLISION
#define BLOCK_GON_REQ_MAX_NUM 5
#endif /* WL_CFG80211_GON_COLLISION */
#if defined(USE_DYNAMIC_MAXPKT_RXGLOM)
static int maxrxpktglom = 0;
#endif // endif
/* IOCtl version read from targeted driver */
int ioctl_version;
#ifdef DEBUGFS_CFG80211
#define SUBLOGLEVEL 20
#define SUBLOGLEVELZ SUBLOGLEVEL + 1
static const struct {
u32 log_level;
char *sublogname;
} sublogname_map[] = {
{WL_DBG_ERR, "ERR"},
{WL_DBG_INFO, "INFO"},
{WL_DBG_DBG, "DBG"},
{WL_DBG_SCAN, "SCAN"},
{WL_DBG_TRACE, "TRACE"},
{WL_DBG_P2P_ACTION, "P2PACTION"}
};
#endif // endif
#define BUFSZ 5
#define BUFSZN BUFSZ + 1
#define _S(x) #x
#define S(x) _S(x)
#define SOFT_AP_IF_NAME "swlan0"
/* watchdog timer for disconnecting when fw is not associated for FW_ASSOC_WATCHDOG_TIME ms */
uint32 fw_assoc_watchdog_ms = 0;
bool fw_assoc_watchdog_started = 0;
#define FW_ASSOC_WATCHDOG_TIME 10 * 1000 /* msec */
static void wl_add_remove_pm_enable_work(struct bcm_cfg80211 *cfg,
enum wl_pm_workq_act_type type)
{
u16 wq_duration = 0;
dhd_pub_t *dhd = NULL;
if (cfg == NULL)
return;
dhd = (dhd_pub_t *)(cfg->pub);
mutex_lock(&cfg->pm_sync);
/*
* Make cancel and schedule work part mutually exclusive
* so that while cancelling, we are sure that there is no
* work getting scheduled.
*/
if (delayed_work_pending(&cfg->pm_enable_work)) {
cancel_delayed_work(&cfg->pm_enable_work);
DHD_PM_WAKE_UNLOCK(cfg->pub);
}
if (type == WL_PM_WORKQ_SHORT) {
wq_duration = WL_PM_ENABLE_TIMEOUT;
} else if (type == WL_PM_WORKQ_LONG) {
wq_duration = (WL_PM_ENABLE_TIMEOUT*2);
}
/* It should schedule work item only if driver is up */
if (wq_duration && dhd->up) {
if (schedule_delayed_work(&cfg->pm_enable_work,
msecs_to_jiffies((const unsigned int)wq_duration))) {
DHD_PM_WAKE_LOCK_TIMEOUT(cfg->pub, wq_duration);
} else {
WL_ERR(("Can't schedule pm work handler\n"));
}
}
mutex_unlock(&cfg->pm_sync);
}
/* Return a new chanspec given a legacy chanspec
* Returns INVCHANSPEC on error
*/
chanspec_t
wl_chspec_from_legacy(chanspec_t legacy_chspec)
{
chanspec_t chspec;
/* get the channel number */
chspec = LCHSPEC_CHANNEL(legacy_chspec);
/* convert the band */
if (LCHSPEC_IS2G(legacy_chspec)) {
chspec |= WL_CHANSPEC_BAND_2G;
} else {
chspec |= WL_CHANSPEC_BAND_5G;
}
/* convert the bw and sideband */
if (LCHSPEC_IS20(legacy_chspec)) {
chspec |= WL_CHANSPEC_BW_20;
} else {
chspec |= WL_CHANSPEC_BW_40;
if (LCHSPEC_CTL_SB(legacy_chspec) == WL_LCHANSPEC_CTL_SB_LOWER) {
chspec |= WL_CHANSPEC_CTL_SB_L;
} else {
chspec |= WL_CHANSPEC_CTL_SB_U;
}
}
if (wf_chspec_malformed(chspec)) {
WL_ERR(("wl_chspec_from_legacy: output chanspec (0x%04X) malformed\n",
chspec));
return INVCHANSPEC;
}
return chspec;
}
/* Return a legacy chanspec given a new chanspec
* Returns INVCHANSPEC on error
*/
static chanspec_t
wl_chspec_to_legacy(chanspec_t chspec)
{
chanspec_t lchspec;
if (wf_chspec_malformed(chspec)) {
WL_ERR(("wl_chspec_to_legacy: input chanspec (0x%04X) malformed\n",
chspec));
return INVCHANSPEC;
}
/* get the channel number */
lchspec = CHSPEC_CHANNEL(chspec);
/* convert the band */
if (CHSPEC_IS2G(chspec)) {
lchspec |= WL_LCHANSPEC_BAND_2G;
} else {
lchspec |= WL_LCHANSPEC_BAND_5G;
}
/* convert the bw and sideband */
if (CHSPEC_IS20(chspec)) {
lchspec |= WL_LCHANSPEC_BW_20;
lchspec |= WL_LCHANSPEC_CTL_SB_NONE;
} else if (CHSPEC_IS40(chspec)) {
lchspec |= WL_LCHANSPEC_BW_40;
if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_L) {
lchspec |= WL_LCHANSPEC_CTL_SB_LOWER;
} else {
lchspec |= WL_LCHANSPEC_CTL_SB_UPPER;
}
} else {
/* cannot express the bandwidth */
char chanbuf[CHANSPEC_STR_LEN];
WL_ERR((
"wl_chspec_to_legacy: unable to convert chanspec %s (0x%04X) "
"to pre-11ac format\n",
wf_chspec_ntoa(chspec, chanbuf), chspec));
return INVCHANSPEC;
}
return lchspec;
}
/* given a chanspec value, do the endian and chanspec version conversion to
* a chanspec_t value
* Returns INVCHANSPEC on error
*/
chanspec_t
wl_chspec_host_to_driver(chanspec_t chanspec)
{
if (ioctl_version == 1) {
chanspec = wl_chspec_to_legacy(chanspec);
if (chanspec == INVCHANSPEC) {
return chanspec;
}
}
chanspec = htodchanspec(chanspec);
return chanspec;
}
/* given a channel value, do the endian and chanspec version conversion to
* a chanspec_t value
* Returns INVCHANSPEC on error
*/
chanspec_t
wl_ch_host_to_driver(u16 channel)
{
chanspec_t chanspec;
chanspec = channel & WL_CHANSPEC_CHAN_MASK;
if (channel <= CH_MAX_2G_CHANNEL)
chanspec |= WL_CHANSPEC_BAND_2G;
else
chanspec |= WL_CHANSPEC_BAND_5G;
chanspec |= WL_CHANSPEC_BW_20;
chanspec |= WL_CHANSPEC_CTL_SB_NONE;
return wl_chspec_host_to_driver(chanspec);
}
/* given a chanspec value from the driver, do the endian and chanspec version conversion to
* a chanspec_t value
* Returns INVCHANSPEC on error
*/
chanspec_t
wl_chspec_driver_to_host(chanspec_t chanspec)
{
chanspec = dtohchanspec(chanspec);
if (ioctl_version == 1) {
chanspec = wl_chspec_from_legacy(chanspec);
}
return chanspec;
}
/*
* convert ASCII string to MAC address (colon-delimited format)
* eg: 00:11:22:33:44:55
*/
int
wl_cfg80211_ether_atoe(const char *a, struct ether_addr *n)
{
char *c = NULL;
int count = 0;
memset(n, 0, ETHER_ADDR_LEN);
for (;;) {
n->octet[count++] = (uint8)simple_strtoul(a, &c, 16);
if (!*c++ || count == ETHER_ADDR_LEN)
break;
a = c;
}
return (count == ETHER_ADDR_LEN);
}
/* There isn't a lot of sense in it, but you can transmit anything you like */
static const struct ieee80211_txrx_stypes
wl_cfg80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
[NL80211_IFTYPE_ADHOC] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ACTION >> 4)
},
[NL80211_IFTYPE_STATION] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
},
[NL80211_IFTYPE_AP] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
BIT(IEEE80211_STYPE_DISASSOC >> 4) |
BIT(IEEE80211_STYPE_AUTH >> 4) |
BIT(IEEE80211_STYPE_DEAUTH >> 4) |
BIT(IEEE80211_STYPE_ACTION >> 4)
},
[NL80211_IFTYPE_AP_VLAN] = {
/* copy AP */
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
BIT(IEEE80211_STYPE_DISASSOC >> 4) |
BIT(IEEE80211_STYPE_AUTH >> 4) |
BIT(IEEE80211_STYPE_DEAUTH >> 4) |
BIT(IEEE80211_STYPE_ACTION >> 4)
},
[NL80211_IFTYPE_P2P_CLIENT] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
},
[NL80211_IFTYPE_P2P_GO] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
BIT(IEEE80211_STYPE_DISASSOC >> 4) |
BIT(IEEE80211_STYPE_AUTH >> 4) |
BIT(IEEE80211_STYPE_DEAUTH >> 4) |
BIT(IEEE80211_STYPE_ACTION >> 4)
},
#if defined(WL_CFG80211_P2P_DEV_IF)
[NL80211_IFTYPE_P2P_DEVICE] = {
.tx = 0xffff,
.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
},
#endif /* WL_CFG80211_P2P_DEV_IF */
};
static void swap_key_from_BE(struct wl_wsec_key *key)
{
key->index = htod32(key->index);
key->len = htod32(key->len);
key->algo = htod32(key->algo);
key->flags = htod32(key->flags);
key->rxiv.hi = htod32(key->rxiv.hi);
key->rxiv.lo = htod16(key->rxiv.lo);
key->iv_initialized = htod32(key->iv_initialized);
}
static void swap_key_to_BE(struct wl_wsec_key *key)
{
key->index = dtoh32(key->index);
key->len = dtoh32(key->len);
key->algo = dtoh32(key->algo);
key->flags = dtoh32(key->flags);
key->rxiv.hi = dtoh32(key->rxiv.hi);
key->rxiv.lo = dtoh16(key->rxiv.lo);
key->iv_initialized = dtoh32(key->iv_initialized);
}
#if defined(WL_FW_OCE_AP_SELECT)
bool static wl_cfg80211_is_oce_ap(struct wiphy *wiphy, const u8 *bssid_hint)
{
const u8 *parse = NULL;
bcm_tlv_t *ie;
const struct cfg80211_bss_ies *ies;
u32 len;
struct cfg80211_bss *bss;
bss = CFG80211_GET_BSS(wiphy, NULL, bssid_hint, 0, 0);
if (!bss) {
WL_ERR(("Unable to find AP in the cache"));
return false;
}
if (rcu_access_pointer(bss->ies)) {
ies = rcu_access_pointer(bss->ies);
parse = ies->data;
len = ies->len;
} else {
WL_ERR(("ies is NULL"));
return false;
}
while ((ie = bcm_parse_tlvs(parse, len, DOT11_MNG_VS_ID))) {
if (wl_cfgoce_is_oce_ie((const uint8*)ie, (u8 const **)&parse, &len) == TRUE) {
return true;
} else {
ie = bcm_next_tlv((const bcm_tlv_t*) ie, &len);
if (!ie) {
return false;
}
parse = (uint8 *)ie;
WL_DBG(("NON OCE IE. next ie ptr:%p", parse));
}
}
WL_DBG(("OCE IE NOT found"));
return false;
}
#endif /* WL_FW_OCE_AP_SELECT */
/* Dump the contents of the encoded wps ie buffer and get pbc value */
static void
wl_validate_wps_ie(const char *wps_ie, s32 wps_ie_len, bool *pbc)
{
#define WPS_IE_FIXED_LEN 6
s16 len;
const u8 *subel = NULL;
u16 subelt_id;
u16 subelt_len;
u16 val;
u8 *valptr = (uint8*) &val;
if (wps_ie == NULL || wps_ie_len < WPS_IE_FIXED_LEN) {
WL_ERR(("invalid argument : NULL\n"));
return;
}
len = (s16)wps_ie[TLV_LEN_OFF];
if (len > wps_ie_len) {
WL_ERR(("invalid length len %d, wps ie len %d\n", len, wps_ie_len));
return;
}
WL_DBG(("wps_ie len=%d\n", len));
len -= 4; /* for the WPS IE's OUI, oui_type fields */
subel = wps_ie + WPS_IE_FIXED_LEN;
while (len >= 4) { /* must have attr id, attr len fields */
valptr[0] = *subel++;
valptr[1] = *subel++;
subelt_id = HTON16(val);
valptr[0] = *subel++;
valptr[1] = *subel++;
subelt_len = HTON16(val);
len -= 4; /* for the attr id, attr len fields */
len -= (s16)subelt_len; /* for the remaining fields in this attribute */
if (len < 0) {
break;
}
WL_DBG((" subel=%p, subelt_id=0x%x subelt_len=%u\n",
subel, subelt_id, subelt_len));
if (subelt_id == WPS_ID_VERSION) {
WL_DBG((" attr WPS_ID_VERSION: %u\n", *subel));
} else if (subelt_id == WPS_ID_REQ_TYPE) {
WL_DBG((" attr WPS_ID_REQ_TYPE: %u\n", *subel));
} else if (subelt_id == WPS_ID_CONFIG_METHODS) {
valptr[0] = *subel;
valptr[1] = *(subel + 1);
WL_DBG((" attr WPS_ID_CONFIG_METHODS: %x\n", HTON16(val)));
} else if (subelt_id == WPS_ID_DEVICE_NAME) {
char devname[33];
int namelen = MIN(subelt_len, (sizeof(devname) - 1));
if (namelen) {
memcpy(devname, subel, namelen);
devname[namelen] = '\0';
/* Printing len as rx'ed in the IE */
WL_DBG((" attr WPS_ID_DEVICE_NAME: %s (len %u)\n",
devname, subelt_len));
}
} else if (subelt_id == WPS_ID_DEVICE_PWD_ID) {
valptr[0] = *subel;
valptr[1] = *(subel + 1);
WL_DBG((" attr WPS_ID_DEVICE_PWD_ID: %u\n", HTON16(val)));
*pbc = (HTON16(val) == DEV_PW_PUSHBUTTON) ? true : false;
} else if (subelt_id == WPS_ID_PRIM_DEV_TYPE) {
valptr[0] = *subel;
valptr[1] = *(subel + 1);
WL_DBG((" attr WPS_ID_PRIM_DEV_TYPE: cat=%u \n", HTON16(val)));
valptr[0] = *(subel + 6);
valptr[1] = *(subel + 7);
WL_DBG((" attr WPS_ID_PRIM_DEV_TYPE: subcat=%u\n", HTON16(val)));
} else if (subelt_id == WPS_ID_REQ_DEV_TYPE) {
valptr[0] = *subel;
valptr[1] = *(subel + 1);
WL_DBG((" attr WPS_ID_REQ_DEV_TYPE: cat=%u\n", HTON16(val)));
valptr[0] = *(subel + 6);
valptr[1] = *(subel + 7);
WL_DBG((" attr WPS_ID_REQ_DEV_TYPE: subcat=%u\n", HTON16(val)));
} else if (subelt_id == WPS_ID_SELECTED_REGISTRAR_CONFIG_METHODS) {
valptr[0] = *subel;
valptr[1] = *(subel + 1);
WL_DBG((" attr WPS_ID_SELECTED_REGISTRAR_CONFIG_METHODS"
": cat=%u\n", HTON16(val)));
} else {
WL_DBG((" unknown attr 0x%x\n", subelt_id));
}
subel += subelt_len;
}
}
s32 wl_set_tx_power(struct net_device *dev,
enum nl80211_tx_power_setting type, s32 dbm)
{
s32 err = 0;
s32 disable = 0;
s32 txpwrqdbm;
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
/* Make sure radio is off or on as far as software is concerned */
disable = WL_RADIO_SW_DISABLE << 16;
disable = htod32(disable);
err = wldev_ioctl_set(dev, WLC_SET_RADIO, &disable, sizeof(disable));
if (unlikely(err)) {
WL_ERR(("WLC_SET_RADIO error (%d)\n", err));
return err;
}
if (dbm > 0xffff)
dbm = 0xffff;
txpwrqdbm = dbm * 4;
#ifdef SUPPORT_WL_TXPOWER
if (type == NL80211_TX_POWER_AUTOMATIC)
txpwrqdbm = 127;
else
txpwrqdbm |= WL_TXPWR_OVERRIDE;
#endif /* SUPPORT_WL_TXPOWER */
err = wldev_iovar_setbuf_bsscfg(dev, "qtxpower", (void *)&txpwrqdbm,
sizeof(txpwrqdbm), cfg->ioctl_buf, WLC_IOCTL_SMLEN, 0,
&cfg->ioctl_buf_sync);
if (unlikely(err))
WL_ERR(("qtxpower error (%d)\n", err));
else
WL_ERR(("dBm=%d, txpwrqdbm=0x%x\n", dbm, txpwrqdbm));
return err;
}
s32 wl_get_tx_power(struct net_device *dev, s32 *dbm)
{
s32 err = 0;
s32 txpwrdbm;
char ioctl_buf[WLC_IOCTL_SMLEN];
err = wldev_iovar_getbuf_bsscfg(dev, "qtxpower",
NULL, 0, ioctl_buf, WLC_IOCTL_SMLEN, 0, NULL);
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
return err;
}
memcpy(&txpwrdbm, ioctl_buf, sizeof(txpwrdbm));
txpwrdbm = dtoh32(txpwrdbm);
*dbm = (txpwrdbm & ~WL_TXPWR_OVERRIDE) / 4;
WL_DBG(("dBm=%d, txpwrdbm=0x%x\n", *dbm, txpwrdbm));
return err;
}
static chanspec_t wl_cfg80211_get_shared_freq(struct wiphy *wiphy)
{
chanspec_t chspec;
int cur_band, err = 0;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct net_device *dev = bcmcfg_to_prmry_ndev(cfg);
struct ether_addr bssid;
wl_bss_info_t *bss = NULL;
u16 channel = WL_P2P_TEMP_CHAN;
char *buf;
memset(&bssid, 0, sizeof(bssid));
if ((err = wldev_ioctl_get(dev, WLC_GET_BSSID, &bssid, sizeof(bssid)))) {
/* STA interface is not associated. So start the new interface on a temp
* channel . Later proper channel will be applied by the above framework
* via set_channel (cfg80211 API).
*/
WL_DBG(("Not associated. Return a temp channel. \n"));
cur_band = 0;
err = wldev_ioctl_get(dev, WLC_GET_BAND, &cur_band, sizeof(int));
if (unlikely(err)) {
WL_ERR(("Get band failed\n"));
} else if (cur_band == WLC_BAND_5G) {
channel = WL_P2P_TEMP_CHAN_5G;
}
return wl_ch_host_to_driver(channel);
}
buf = (char *)MALLOCZ(cfg->osh, WL_EXTRA_BUF_MAX);
if (!buf) {
WL_ERR(("buf alloc failed. use temp channel\n"));
return wl_ch_host_to_driver(channel);
}
*(u32 *)buf = htod32(WL_EXTRA_BUF_MAX);
if ((err = wldev_ioctl_get(dev, WLC_GET_BSS_INFO, buf,
WL_EXTRA_BUF_MAX))) {
WL_ERR(("Failed to get associated bss info, use temp channel \n"));
chspec = wl_ch_host_to_driver(channel);
}
else {
bss = (wl_bss_info_t *) (buf + 4);
chspec = bss->chanspec;
WL_DBG(("Valid BSS Found. chanspec:%d \n", chspec));
}
MFREE(cfg->osh, buf, WL_EXTRA_BUF_MAX);
return chspec;
}
static void
wl_wlfc_enable(struct bcm_cfg80211 *cfg, bool enable)
{
#ifdef PROP_TXSTATUS_VSDB
#if defined(BCMSDIO) || defined(BCMDBUS)
bool wlfc_enabled = FALSE;
s32 err;
dhd_pub_t *dhd;
struct net_device *primary_ndev = bcmcfg_to_prmry_ndev(cfg);
dhd = (dhd_pub_t *)(cfg->pub);
if (!dhd) {
return;
}
if (enable) {
if (!cfg->wlfc_on && !disable_proptx) {
dhd_wlfc_get_enable(dhd, &wlfc_enabled);
if (!wlfc_enabled && dhd->op_mode != DHD_FLAG_HOSTAP_MODE &&
dhd->op_mode != DHD_FLAG_IBSS_MODE) {
dhd_wlfc_init(dhd);
err = wldev_ioctl_set(primary_ndev, WLC_UP, &up, sizeof(s32));
if (err < 0)
WL_ERR(("WLC_UP return err:%d\n", err));
}
cfg->wlfc_on = true;
WL_DBG(("wlfc_on:%d \n", cfg->wlfc_on));
}
} else if (dhd->conf->disable_proptx != 0){
dhd_wlfc_deinit(dhd);
cfg->wlfc_on = false;
}
#endif /* BCMSDIO || BCMDBUS */
#endif /* PROP_TXSTATUS_VSDB */
}
struct wireless_dev *
wl_cfg80211_p2p_if_add(struct bcm_cfg80211 *cfg,
wl_iftype_t wl_iftype,
char const *name, u8 *mac_addr, s32 *ret_err)
{
u16 chspec;
s16 cfg_type;
u32 timeout;
s32 err;
u16 p2p_iftype;
int dhd_mode;
struct net_device *new_ndev = NULL;
struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
struct ether_addr *p2p_addr;
*ret_err = BCME_OK;
if (!cfg->p2p) {
WL_ERR(("p2p not initialized\n"));
return NULL;
}
#if defined(WL_CFG80211_P2P_DEV_IF)
if (wl_iftype == WL_IF_TYPE_P2P_DISC) {
/* Handle Dedicated P2P discovery Interface */
cfg->down_disc_if = FALSE;
return wl_cfgp2p_add_p2p_disc_if(cfg);
}
#endif /* WL_CFG80211_P2P_DEV_IF */
if (wl_iftype == WL_IF_TYPE_P2P_GO) {
p2p_iftype = WL_P2P_IF_GO;
} else {
p2p_iftype = WL_P2P_IF_CLIENT;
}
/* Dual p2p doesn't support multiple P2PGO interfaces,
* p2p_go_count is the counter for GO creation
* requests.
*/
if ((cfg->p2p->p2p_go_count > 0) && (wl_iftype == WL_IF_TYPE_P2P_GO)) {
WL_ERR(("FW does not support multiple GO\n"));
*ret_err = -ENOTSUPP;
return NULL;
}
if (!cfg->p2p->on) {
p2p_on(cfg) = true;
wl_cfgp2p_set_firm_p2p(cfg);
wl_cfgp2p_init_discovery(cfg);
}
strncpy(cfg->p2p->vir_ifname, name, IFNAMSIZ - 1);
cfg->p2p->vir_ifname[IFNAMSIZ - 1] = '\0';
/* In concurrency case, STA may be already associated in a particular channel.
* so retrieve the current channel of primary interface and then start the virtual
* interface on that.
*/
chspec = wl_cfg80211_get_shared_freq(wiphy);
/* For P2P mode, use P2P-specific driver features to create the
* bss: "cfg p2p_ifadd"
*/
wl_set_p2p_status(cfg, IF_ADDING);
memset(&cfg->if_event_info, 0, sizeof(cfg->if_event_info));
cfg_type = wl_cfgp2p_get_conn_idx(cfg);
if (cfg_type == BCME_ERROR) {
wl_clr_p2p_status(cfg, IF_ADDING);
WL_ERR(("Failed to get connection idx for p2p interface\n"));
return NULL;
}
p2p_addr = wl_to_p2p_bss_macaddr(cfg, cfg_type);
memcpy(p2p_addr->octet, mac_addr, ETH_ALEN);
err = wl_cfgp2p_ifadd(cfg, p2p_addr,
htod32(p2p_iftype), chspec);
if (unlikely(err)) {
wl_clr_p2p_status(cfg, IF_ADDING);
WL_ERR((" virtual iface add failed (%d) \n", err));
return NULL;
}
/* Wait for WLC_E_IF event with IF_ADD opcode */
timeout = wait_event_interruptible_timeout(cfg->netif_change_event,
((wl_get_p2p_status(cfg, IF_ADDING) == false) &&
(cfg->if_event_info.valid)),
msecs_to_jiffies(MAX_WAIT_TIME));
if (timeout > 0 && !wl_get_p2p_status(cfg, IF_ADDING) && cfg->if_event_info.valid) {
wl_if_event_info *event = &cfg->if_event_info;
new_ndev = wl_cfg80211_post_ifcreate(bcmcfg_to_prmry_ndev(cfg), event,
event->mac, cfg->p2p->vir_ifname, false);
if (unlikely(!new_ndev)) {
goto fail;
}
if (wl_iftype == WL_IF_TYPE_P2P_GO) {
cfg->p2p->p2p_go_count++;
}
/* Fill p2p specific data */
wl_to_p2p_bss_ndev(cfg, cfg_type) = new_ndev;
wl_to_p2p_bss_bssidx(cfg, cfg_type) = event->bssidx;
WL_ERR((" virtual interface(%s) is "
"created net attach done\n", cfg->p2p->vir_ifname));
dhd_mode = (wl_iftype == WL_IF_TYPE_P2P_GC) ?
DHD_FLAG_P2P_GC_MODE : DHD_FLAG_P2P_GO_MODE;
DNGL_FUNC(dhd_cfg80211_set_p2p_info, (cfg, dhd_mode));
/* reinitialize completion to clear previous count */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0))
INIT_COMPLETION(cfg->iface_disable);
#else
init_completion(&cfg->iface_disable);
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0) */
return new_ndev->ieee80211_ptr;
}
fail:
return NULL;
}
static s32
wl_check_vif_support(struct bcm_cfg80211 *cfg, wl_iftype_t wl_iftype)
{
s32 ret = BCME_OK;
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
#ifdef WL_NAN
if ((cfg->nan_enable) && (wl_iftype != WL_IF_TYPE_NAN)) {
ret = wl_cfgnan_disable(cfg, NAN_CONCURRENCY_CONFLICT);
if (ret != BCME_OK) {
WL_ERR(("failed to disable nan, error[%d]\n", ret));
goto exit;
}
}
#endif /* WL_NAN */
/* If P2PGroup/Softap is enabled, another VIF
* iface create request can't be supported
*/
if ((wl_cfgp2p_vif_created(cfg)) ||
(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) {
WL_ERR(("Additional vif can't be supported [%d]\n",
dhd->op_mode));
ret = -ENOTSUPP;
goto exit;
}
exit:
return ret;
}
void
wl_cfg80211_iface_state_ops(struct wireless_dev *wdev,
wl_interface_state_t state,
wl_iftype_t wl_iftype, u16 wl_mode)
{
struct net_device *ndev;
struct bcm_cfg80211 *cfg;
dhd_pub_t *dhd;
s32 bssidx;
WL_DBG(("state:%s wl_iftype:%d mode:%d\n",
wl_if_state_strs[state], wl_iftype, wl_mode));
if (!wdev) {
WL_ERR(("wdev null\n"));
return;
}
if ((wl_iftype == WL_IF_TYPE_P2P_DISC) || (wl_iftype == WL_IF_TYPE_NAN_NMI)) {
/* P2P discovery is a netless device and uses a
* hidden bsscfg interface in fw. Don't apply the
* iface ops state changes for p2p discovery I/F.
* NAN NMI is netless device and uses a hidden bsscfg interface in fw.
* Don't apply iface ops state changes for NMI I/F.
*/
return;
}
cfg = wiphy_priv(wdev->wiphy);
ndev = wdev->netdev;
dhd = (dhd_pub_t *)(cfg->pub);
bssidx = wl_get_bssidx_by_wdev(cfg, wdev);
if (!ndev || (bssidx < 0)) {
WL_ERR(("ndev null. skip iface state ops\n"));
return;
}
switch (state) {
case WL_IF_CREATE_REQ:
#ifdef WL_BCNRECV
/* check fakeapscan in progress then abort */
wl_android_bcnrecv_stop(ndev, WL_BCNRECV_CONCURRENCY);
#endif /* WL_BCNRECV */
wl_cfg80211_scan_abort(cfg);
wl_wlfc_enable(cfg, true);
#ifdef WLTDLS
if (wl_iftype == WL_IF_TYPE_NAN) {
/* disable TDLS on NAN IF create */
wl_cfg80211_tdls_config(cfg, TDLS_STATE_NDI_CREATE, false);
}
else {
/* disable TDLS if number of connected interfaces is >= 1 */
wl_cfg80211_tdls_config(cfg, TDLS_STATE_IF_CREATE, false);
}
#endif /* WLTDLS */
break;
case WL_IF_DELETE_REQ:
#ifdef WL_WPS_SYNC
wl_wps_handle_ifdel(ndev);
#endif /* WPS_SYNC */
if (wl_get_drv_status(cfg, SCANNING, ndev)) {
/* Send completion for any pending scans */
wl_notify_escan_complete(cfg, ndev, true, true);
}
#ifdef CUSTOM_SET_CPUCORE
dhd->chan_isvht80 &= ~DHD_FLAG_P2P_MODE;
if (!(dhd->chan_isvht80)) {
dhd_set_cpucore(dhd, FALSE);
}
#endif /* CUSTOM_SET_CPUCORE */
wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_DEL);
break;
case WL_IF_CREATE_DONE:
if (wl_mode == WL_MODE_BSS) {
/* Common code for sta type interfaces - STA, GC */
wldev_iovar_setint(ndev, "buf_key_b4_m4", 1);
}
if (wl_iftype == WL_IF_TYPE_P2P_GC) {
/* Disable firmware roaming for P2P interface */
wldev_iovar_setint(ndev, "roam_off", 1);
wldev_iovar_setint(ndev, "bcn_timeout", dhd->conf->bcn_timeout);
}
if (wl_mode == WL_MODE_AP) {
/* Common code for AP/GO */
wl_set_drv_status(cfg, CONNECTED, ndev);
}
break;
case WL_IF_DELETE_DONE:
#ifdef WLTDLS
/* Enable back TDLS if connected interface is <= 1 */
wl_cfg80211_tdls_config(cfg, TDLS_STATE_IF_DELETE, false);
#endif /* WLTDLS */
wl_wlfc_enable(cfg, false);
break;
case WL_IF_CHANGE_REQ:
/* Flush existing IEs from firmware on role change */
wl_cfg80211_clear_per_bss_ies(cfg, wdev);
break;
case WL_IF_CHANGE_DONE:
if (wl_mode == WL_MODE_BSS) {
/* Enable buffering of PTK key till EAPOL 4/4 is sent out */
wldev_iovar_setint(ndev, "buf_key_b4_m4", 1);
}
break;
default:
WL_ERR(("Unsupported state: %d\n", state));
return;
}
}
static s32
wl_cfg80211_p2p_if_del(struct wiphy *wiphy, struct wireless_dev *wdev)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
s16 bssidx;
s16 err;
s32 cfg_type;
struct net_device *ndev;
s32 timeout;
if (unlikely(!wl_get_drv_status(cfg, READY, bcmcfg_to_prmry_ndev(cfg)))) {
WL_INFORM_MEM(("device is not ready\n"));
return BCME_NOTFOUND;
}
#ifdef WL_CFG80211_P2P_DEV_IF
if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
/* Handle dedicated P2P discovery interface. */
return wl_cfgp2p_del_p2p_disc_if(wdev, cfg);
}
#endif /* WL_CFG80211_P2P_DEV_IF */
/* Handle P2P Group Interface */
bssidx = wl_get_bssidx_by_wdev(cfg, wdev);
if (bssidx <= 0) {
WL_ERR(("bssidx not found\n"));
return BCME_NOTFOUND;
}
if (wl_cfgp2p_find_type(cfg, bssidx, &cfg_type) != BCME_OK) {
/* Couldn't find matching iftype */
WL_MEM(("non P2P interface\n"));
return BCME_NOTFOUND;
}
ndev = wdev->netdev;
wl_clr_p2p_status(cfg, GO_NEG_PHASE);
wl_clr_p2p_status(cfg, IF_ADDING);
/* for GO */
if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP) {
wl_add_remove_eventmsg(ndev, WLC_E_PROBREQ_MSG, false);
cfg->p2p->p2p_go_count--;
/* disable interface before bsscfg free */
err = wl_cfgp2p_ifdisable(cfg, wl_to_p2p_bss_macaddr(cfg, cfg_type));
/* if fw doesn't support "ifdis",
do not wait for link down of ap mode
*/
if (err == 0) {
WL_ERR(("Wait for Link Down event for GO !!!\n"));
wait_for_completion_timeout(&cfg->iface_disable,
msecs_to_jiffies(500));
} else if (err != BCME_UNSUPPORTED) {
msleep(300);
}
} else {
/* GC case */
if (wl_get_drv_status(cfg, DISCONNECTING, ndev)) {
WL_ERR(("Wait for Link Down event for GC !\n"));
wait_for_completion_timeout
(&cfg->iface_disable, msecs_to_jiffies(500));
}
}
memset(&cfg->if_event_info, 0, sizeof(cfg->if_event_info));
wl_set_p2p_status(cfg, IF_DELETING);
DNGL_FUNC(dhd_cfg80211_clean_p2p_info, (cfg));
err = wl_cfgp2p_ifdel(cfg, wl_to_p2p_bss_macaddr(cfg, cfg_type));
if (unlikely(err)) {
WL_ERR(("IFDEL operation failed, error code = %d\n", err));
goto fail;
} else {
/* Wait for WLC_E_IF event */
timeout = wait_event_interruptible_timeout(cfg->netif_change_event,
((wl_get_p2p_status(cfg, IF_DELETING) == false) &&
(cfg->if_event_info.valid)),
msecs_to_jiffies(MAX_WAIT_TIME));
if (timeout > 0 && !wl_get_p2p_status(cfg, IF_DELETING) &&
cfg->if_event_info.valid) {
WL_ERR(("P2P IFDEL operation done\n"));
err = BCME_OK;
} else {
WL_ERR(("IFDEL didn't complete properly\n"));
err = -EINVAL;
}
}
fail:
/* Even in failure case, attempt to remove the host data structure.
* Firmware would be cleaned up via WiFi reset done by the
* user space from hang event context (for android only).
*/
memset(cfg->p2p->vir_ifname, '\0', IFNAMSIZ);
wl_to_p2p_bss_bssidx(cfg, cfg_type) = -1;
wl_to_p2p_bss_ndev(cfg, cfg_type) = NULL;
wl_clr_drv_status(cfg, CONNECTED, wl_to_p2p_bss_ndev(cfg, cfg_type));
dhd_net_if_lock(ndev);
if (cfg->if_event_info.ifidx) {
/* Remove interface except for primary ifidx */
wl_cfg80211_remove_if(cfg, cfg->if_event_info.ifidx, ndev, FALSE);
}
dhd_net_if_unlock(ndev);
return err;
}
static struct wireless_dev *
wl_cfg80211_add_monitor_if(struct wiphy *wiphy, const char *name)
{
#if defined(WL_ENABLE_P2P_IF) || defined(WL_CFG80211_P2P_DEV_IF)
WL_ERR(("wl_cfg80211_add_monitor_if: No more support monitor interface\n"));
return ERR_PTR(-EOPNOTSUPP);
#else
struct wireless_dev *wdev;
struct net_device* ndev = NULL;
dhd_add_monitor(name, &ndev);
wdev = kzalloc(sizeof(*wdev), GFP_KERNEL);
if (!wdev) {
WL_ERR(("wireless_dev alloc failed! \n"));
goto fail;
}
wdev->wiphy = wiphy;
wdev->iftype = NL80211_IFTYPE_MONITOR;
ndev->ieee80211_ptr = wdev;
SET_NETDEV_DEV(ndev, wiphy_dev(wiphy));
WL_DBG(("wl_cfg80211_add_monitor_if net device returned: 0x%p\n", ndev));
return ndev->ieee80211_ptr;
fail:
return ERR_PTR(-EOPNOTSUPP);
#endif // endif
}
static struct wireless_dev *
wl_cfg80211_add_ibss(struct wiphy *wiphy, u16 wl_iftype, char const *name)
{
#ifdef WLAIBSS_MCHAN
/* AIBSS */
return bcm_cfg80211_add_ibss_if(wiphy, (char *)name);
#else
/* Normal IBSS */
WL_ERR(("IBSS not supported on Virtual iface\n"));
return NULL;
#endif // endif
}
s32
wl_release_vif_macaddr(struct bcm_cfg80211 *cfg, u8 *mac_addr, u16 wl_iftype)
{
struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
u16 org_toggle_bytes;
u16 cur_toggle_bytes;
u16 toggled_bit;
if (!ndev || !mac_addr) {
return -EINVAL;
}
if ((wl_iftype == WL_IF_TYPE_P2P_DISC) || (wl_iftype == WL_IF_TYPE_AP) ||
(wl_iftype == WL_IF_TYPE_P2P_GO) || (wl_iftype == WL_IF_TYPE_P2P_GC)) {
/* Avoid invoking release mac addr code for interfaces using
* fixed mac addr.
*/
return BCME_OK;
}
/* Fetch last two bytes of mac address */
org_toggle_bytes = ntoh16(*((u16 *)&ndev->dev_addr[4]));
cur_toggle_bytes = ntoh16(*((u16 *)&mac_addr[4]));
toggled_bit = (org_toggle_bytes ^ cur_toggle_bytes);
WL_DBG(("org_toggle_bytes:%04X cur_toggle_bytes:%04X\n",
org_toggle_bytes, cur_toggle_bytes));
if (toggled_bit & cfg->vif_macaddr_mask) {
/* This toggled_bit is marked in the used mac addr
* mask. Clear it.
*/
cfg->vif_macaddr_mask &= ~toggled_bit;
WL_INFORM(("MAC address - " MACDBG " released. toggled_bit:%04X vif_mask:%04X\n",
MAC2STRDBG(mac_addr), toggled_bit, cfg->vif_macaddr_mask));
} else {
WL_ERR(("MAC address - " MACDBG " not found in the used list."
" toggled_bit:%04x vif_mask:%04x\n", MAC2STRDBG(mac_addr),
toggled_bit, cfg->vif_macaddr_mask));
return -EINVAL;
}
return BCME_OK;
}
s32
wl_get_vif_macaddr(struct bcm_cfg80211 *cfg, u16 wl_iftype, u8 *mac_addr)
{
struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
u16 toggle_mask;
u16 toggle_bit;
u16 toggle_bytes;
u16 used;
u32 offset = 0;
/* Toggle mask starts from MSB of second last byte */
u16 mask = 0x8000;
if (!mac_addr) {
return -EINVAL;
}
memcpy(mac_addr, ndev->dev_addr, ETH_ALEN);
/*
* VIF MAC address managment
* P2P Device addres: Primary MAC with locally admin. bit set
* P2P Group address/NAN NMI/Softap/NAN DPI: Primary MAC addr
* with local admin bit set and one additional bit toggled.
* cfg->vif_macaddr_mask will hold the info regarding the mac address
* released. Ensure to call wl_release_vif_macaddress to free up
* the mac address.
*/
if (wl_iftype == WL_IF_TYPE_P2P_DISC || wl_iftype == WL_IF_TYPE_AP) {
mac_addr[0] |= 0x02;
} else if ((wl_iftype == WL_IF_TYPE_P2P_GO) || (wl_iftype == WL_IF_TYPE_P2P_GC)) {
mac_addr[0] |= 0x02;
mac_addr[4] ^= 0x80;
} else {
/* For locally administered mac addresses, we keep the
* OUI part constant and just work on the last two bytes.
*/
mac_addr[0] |= 0x02;
toggle_mask = cfg->vif_macaddr_mask;
toggle_bytes = ntoh16(*((u16 *)&mac_addr[4]));
do {
used = toggle_mask & mask;
if (!used) {
/* Use this bit position */
toggle_bit = mask >> offset;
toggle_bytes ^= toggle_bit;
cfg->vif_macaddr_mask |= toggle_bit;
WL_DBG(("toggle_bit:%04X toggle_bytes:%04X toggle_mask:%04X\n",
toggle_bit, toggle_bytes, cfg->vif_macaddr_mask));
/* Macaddress are stored in network order */
mac_addr[5] = *((u8 *)&toggle_bytes);
mac_addr[4] = *(((u8 *)&toggle_bytes + 1));
break;
}
/* Shift by one */
toggle_mask = toggle_mask << 0x1;
offset++;
if (offset > MAX_VIF_OFFSET) {
/* We have used up all macaddresses. Something wrong! */
WL_ERR(("Entire range of macaddress used up.\n"));
ASSERT(0);
break;
}
} while (true);
}
WL_INFORM_MEM(("Get virtual I/F mac addr: "MACDBG"\n", MAC2STRDBG(mac_addr)));
return 0;
}
/* All Android/Linux private/Vendor Interface calls should make
* use of below API for interface creation.
*/
struct wireless_dev *
wl_cfg80211_add_if(struct bcm_cfg80211 *cfg,
struct net_device *primary_ndev,
wl_iftype_t wl_iftype, const char *name, u8 *mac)
{
u8 mac_addr[ETH_ALEN];
s32 err = -ENODEV;
struct wireless_dev *wdev = NULL;
struct wiphy *wiphy;
s32 wl_mode;
dhd_pub_t *dhd;
wl_iftype_t macaddr_iftype = wl_iftype;
WL_INFORM_MEM(("if name: %s, wl_iftype:%d \n",
name ? name : "NULL", wl_iftype));
if (!cfg || !primary_ndev || !name) {
WL_ERR(("cfg/ndev/name ptr null\n"));
return NULL;
}
if (wl_cfg80211_get_wdev_from_ifname(cfg, name)) {
WL_ERR(("Interface name %s exists!\n", name));
return NULL;
}
wiphy = bcmcfg_to_wiphy(cfg);
dhd = (dhd_pub_t *)(cfg->pub);
if (!dhd) {
return NULL;
}
if ((wl_mode = wl_iftype_to_mode(wl_iftype)) < 0) {
return NULL;
}
if ((err = wl_check_vif_support(cfg, wl_iftype)) < 0) {
return NULL;
}
/* Protect the interace op context */
mutex_lock(&cfg->if_sync);
/* Do pre-create ops */
wl_cfg80211_iface_state_ops(primary_ndev->ieee80211_ptr, WL_IF_CREATE_REQ,
wl_iftype, wl_mode);
if (strnicmp(name, SOFT_AP_IF_NAME, strlen(SOFT_AP_IF_NAME)) == 0) {
macaddr_iftype = WL_IF_TYPE_AP;
}
if (mac) {
/* If mac address is provided, use that */
memcpy(mac_addr, mac, ETH_ALEN);
} else if ((wl_get_vif_macaddr(cfg, macaddr_iftype, mac_addr) != BCME_OK)) {
/* Fetch the mac address to be used for virtual interface */
err = -EINVAL;
goto fail;
}
switch (wl_iftype) {
case WL_IF_TYPE_IBSS:
wdev = wl_cfg80211_add_ibss(wiphy, wl_iftype, name);
break;
case WL_IF_TYPE_MONITOR:
wdev = wl_cfg80211_add_monitor_if(wiphy, name);
break;
case WL_IF_TYPE_STA:
case WL_IF_TYPE_AP:
case WL_IF_TYPE_NAN:
if (cfg->iface_cnt >= (IFACE_MAX_CNT - 1)) {
WL_ERR(("iface_cnt exceeds max cnt. created iface_cnt: %d\n",
cfg->iface_cnt));
err = -ENOTSUPP;
goto fail;
}
wdev = wl_cfg80211_create_iface(cfg->wdev->wiphy,
wl_iftype, mac_addr, name);
break;
case WL_IF_TYPE_P2P_DISC:
case WL_IF_TYPE_P2P_GO:
/* Intentional fall through */
case WL_IF_TYPE_P2P_GC:
if (cfg->p2p_supported) {
wdev = wl_cfg80211_p2p_if_add(cfg, wl_iftype,
name, mac_addr, &err);
break;
}
/* Intentionally fall through for unsupported interface
* handling when firmware doesn't support p2p
*/
default:
WL_ERR(("Unsupported interface type\n"));
err = -ENOTSUPP;
goto fail;
}
if (!wdev) {
if (err != -ENOTSUPP) {
err = -ENODEV;
}
WL_ERR(("vif create failed. err:%d\n", err));
goto fail;
}
/* Ensure decrementing in case of failure */
cfg->vif_count++;
wl_cfg80211_iface_state_ops(wdev,
WL_IF_CREATE_DONE, wl_iftype, wl_mode);
WL_INFORM_MEM(("Vif created."
" dev->ifindex:%d cfg_iftype:%d, vif_count:%d\n",
(wdev->netdev ? wdev->netdev->ifindex : 0xff),
wdev->iftype, cfg->vif_count));
mutex_unlock(&cfg->if_sync);
return wdev;
fail:
wl_cfg80211_iface_state_ops(primary_ndev->ieee80211_ptr,
WL_IF_DELETE_REQ, wl_iftype, wl_mode);
if (err != -ENOTSUPP) {
/* For non-supported interfaces, just return error and
* skip below recovery steps.
*/
SUPP_LOG(("IF_ADD fail. err:%d\n", err));
wl_flush_fw_log_buffer(primary_ndev, FW_LOGSET_MASK_ALL);
#if defined(DHD_DEBUG) && defined(BCMPCIE) && defined(DHD_FW_COREDUMP)
if (dhd->memdump_enabled) {
dhd->memdump_type = DUMP_TYPE_IFACE_OP_FAILURE;
dhd_bus_mem_dump(dhd);
}
#endif /* DHD_DEBUG && BCMPCIE && DHD_FW_COREDUMP */
dhd->hang_reason = HANG_REASON_IFACE_ADD_FAILURE;
net_os_send_hang_message(bcmcfg_to_prmry_ndev(cfg));
}
mutex_unlock(&cfg->if_sync);
return NULL;
}
static bcm_struct_cfgdev *
wl_cfg80211_add_virtual_iface(struct wiphy *wiphy,
#if defined(WL_CFG80211_P2P_DEV_IF)
const char *name,
#else
char *name,
#endif /* WL_CFG80211_P2P_DEV_IF */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0))
unsigned char name_assign_type,
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)) */
enum nl80211_iftype type,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0))
u32 *flags,
#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0)) */
struct vif_params *params)
{
u16 wl_iftype;
u16 wl_mode;
struct net_device *primary_ndev;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct wireless_dev *wdev;
WL_DBG(("Enter iftype: %d\n", type));
if (!cfg) {
return ERR_PTR(-EINVAL);
}
/* Use primary I/F for sending cmds down to firmware */
primary_ndev = bcmcfg_to_prmry_ndev(cfg);
if (unlikely(!wl_get_drv_status(cfg, READY, primary_ndev))) {
WL_ERR(("device is not ready\n"));
return ERR_PTR(-ENODEV);
}
if (!name) {
WL_ERR(("Interface name not provided \n"));
return ERR_PTR(-EINVAL);
}
if (cfg80211_to_wl_iftype(type, &wl_iftype, &wl_mode) < 0) {
return ERR_PTR(-EINVAL);
}
wdev = wl_cfg80211_add_if(cfg, primary_ndev, wl_iftype, name, NULL);
if (unlikely(!wdev)) {
return ERR_PTR(-ENODEV);
}
return wdev_to_cfgdev(wdev);
}
static s32
wl_cfg80211_del_ibss(struct wiphy *wiphy, struct wireless_dev *wdev)
{
WL_INFORM_MEM(("del ibss wdev_ptr:%p\n", wdev));
#ifdef WLAIBSS_MCHAN
/* AIBSS */
return bcm_cfg80211_del_ibss_if(wiphy, wdev);
#else
/* Normal IBSS */
return wl_cfg80211_del_iface(wiphy, wdev);
#endif // endif
}
s32
wl_cfg80211_del_if(struct bcm_cfg80211 *cfg, struct net_device *primary_ndev,
struct wireless_dev *wdev, char *ifname)
{
int ret = BCME_OK;
s32 bssidx;
struct wiphy *wiphy;
u16 wl_mode;
u16 wl_iftype;
struct net_info *netinfo;
dhd_pub_t *dhd;
BCM_REFERENCE(dhd);
if (!cfg) {
return -EINVAL;
}
mutex_lock(&cfg->if_sync);
dhd = (dhd_pub_t *)(cfg->pub);
if (!wdev && ifname) {
/* If only ifname is provided, fetch corresponding wdev ptr from our
* internal data structure
*/
wdev = wl_cfg80211_get_wdev_from_ifname(cfg, ifname);
}
/* Check whether we have a valid wdev ptr */
if (unlikely(!wdev)) {
WL_ERR(("wdev not found. '%s' does not exists\n", ifname));
mutex_unlock(&cfg->if_sync);
return -ENODEV;
}
WL_INFORM_MEM(("del vif. wdev_ptr:%p cfg_iftype:%d\n", wdev, wdev->iftype));
wiphy = wdev->wiphy;
#ifdef WL_CFG80211_P2P_DEV_IF
if (wdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
/* p2p discovery would be de-initialized in stop p2p
* device context/from other virtual i/f creation context
* so netinfo list may not have any node corresponding to
* discovery I/F. Handle it before bssidx check.
*/
ret = wl_cfg80211_p2p_if_del(wiphy, wdev);
if (unlikely(ret)) {
goto exit;
} else {
/* success case. return from here */
if (cfg->vif_count) {
cfg->vif_count--;
}
mutex_unlock(&cfg->if_sync);
return BCME_OK;
}
}
#endif /* WL_CFG80211_P2P_DEV_IF */
if ((netinfo = wl_get_netinfo_by_wdev(cfg, wdev)) == NULL) {
WL_ERR(("Find netinfo from wdev %p failed\n", wdev));
ret = -ENODEV;
goto exit;
}
if (!wdev->netdev) {
WL_ERR(("ndev null! \n"));
} else {
/* Disable tx before del */
netif_tx_disable(wdev->netdev);
}
wl_iftype = netinfo->iftype;
wl_mode = wl_iftype_to_mode(wl_iftype);
bssidx = netinfo->bssidx;
WL_INFORM_MEM(("[IFDEL] cfg_iftype:%d wl_iftype:%d mode:%d bssidx:%d\n",
wdev->iftype, wl_iftype, wl_mode, bssidx));
/* Do pre-interface del ops */
wl_cfg80211_iface_state_ops(wdev, WL_IF_DELETE_REQ, wl_iftype, wl_mode);
switch (wl_iftype) {
case WL_IF_TYPE_P2P_GO:
case WL_IF_TYPE_P2P_GC:
case WL_IF_TYPE_AP:
case WL_IF_TYPE_STA:
case WL_IF_TYPE_NAN:
ret = wl_cfg80211_del_iface(wiphy, wdev);
break;
case WL_IF_TYPE_IBSS:
ret = wl_cfg80211_del_ibss(wiphy, wdev);
break;
default:
WL_ERR(("Unsupported interface type\n"));
ret = BCME_ERROR;
}
exit:
if (ret == BCME_OK) {
/* Successful case */
if (cfg->vif_count) {
cfg->vif_count--;
}
wl_cfg80211_iface_state_ops(primary_ndev->ieee80211_ptr,
WL_IF_DELETE_DONE, wl_iftype, wl_mode);
#ifdef WL_NAN
if (!((cfg->nancfg.mac_rand) && (wl_iftype == WL_IF_TYPE_NAN)))
#endif /* WL_NAN */
{
wl_release_vif_macaddr(cfg, wdev->netdev->dev_addr, wl_iftype);
}
WL_INFORM_MEM(("vif deleted. vif_count:%d\n", cfg->vif_count));
} else {
if (!wdev->netdev) {
WL_ERR(("ndev null! \n"));
} else {
/* IF del failed. revert back tx queue status */
netif_tx_start_all_queues(wdev->netdev);
}
/* Skip generating log files and sending HANG event
* if driver state is not READY
*/
if (wl_get_drv_status(cfg, READY, bcmcfg_to_prmry_ndev(cfg))) {
SUPP_LOG(("IF_DEL fail. err:%d\n", ret));
wl_flush_fw_log_buffer(primary_ndev, FW_LOGSET_MASK_ALL);
#if defined(DHD_FW_COREDUMP)
if (dhd->memdump_enabled && (ret != -EBADTYPE)) {
dhd->memdump_type = DUMP_TYPE_IFACE_OP_FAILURE;
dhd_bus_mem_dump(dhd);
}
#endif /* BCMDONGLEHOST && DHD_FW_COREDUMP */
WL_ERR(("Notify hang event to upper layer \n"));
dhd->hang_reason = HANG_REASON_IFACE_DEL_FAILURE;
net_os_send_hang_message(bcmcfg_to_prmry_ndev(cfg));
}
}
mutex_unlock(&cfg->if_sync);
return ret;
}
static s32
wl_cfg80211_del_virtual_iface(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct wireless_dev *wdev = cfgdev_to_wdev(cfgdev);
int ret = BCME_OK;
u16 wl_iftype;
u16 wl_mode;
struct net_device *primary_ndev;
if (!cfg) {
return -EINVAL;
}
primary_ndev = bcmcfg_to_prmry_ndev(cfg);
wdev = cfgdev_to_wdev(cfgdev);
if (!wdev) {
WL_ERR(("wdev null"));
return -ENODEV;
}
WL_DBG(("Enter wdev:%p iftype: %d\n", wdev, wdev->iftype));
if (cfg80211_to_wl_iftype(wdev->iftype, &wl_iftype, &wl_mode) < 0) {
WL_ERR(("Wrong iftype: %d\n", wdev->iftype));
return -ENODEV;
}
if ((ret = wl_cfg80211_del_if(cfg, primary_ndev,
wdev, NULL)) < 0) {
WL_ERR(("IF del failed\n"));
}
return ret;
}
static s32
wl_cfg80211_change_p2prole(struct wiphy *wiphy, struct net_device *ndev, enum nl80211_iftype type)
{
s32 wlif_type;
s32 mode = 0;
s32 index;
s32 err;
s32 conn_idx = -1;
chanspec_t chspec;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
WL_INFORM_MEM(("Enter. current_role:%d new_role:%d \n", ndev->ieee80211_ptr->iftype, type));
if (!cfg->p2p || !wl_cfgp2p_vif_created(cfg)) {
WL_ERR(("P2P not initialized \n"));
return -EINVAL;
}
if (!is_p2p_group_iface(ndev->ieee80211_ptr)) {
WL_ERR(("Wrong if type \n"));
return -EINVAL;
}
/* Abort any on-going scans to avoid race condition issues */
wl_notify_escan_complete(cfg, ndev, true, true);
index = wl_get_bssidx_by_wdev(cfg, ndev->ieee80211_ptr);
if (index < 0) {
WL_ERR(("Find bsscfg index from ndev(%p) failed\n", ndev));
return BCME_ERROR;
}
if (wl_cfgp2p_find_type(cfg, index, &conn_idx) != BCME_OK) {
return BCME_ERROR;
}
/* In concurrency case, STA may be already associated in a particular
* channel. so retrieve the current channel of primary interface and
* then start the virtual interface on that.
*/
chspec = wl_cfg80211_get_shared_freq(wiphy);
if (type == NL80211_IFTYPE_P2P_GO) {
/* Dual p2p doesn't support multiple P2PGO interfaces,
* p2p_go_count is the counter for GO creation
* requests.
*/
if ((cfg->p2p->p2p_go_count > 0) && (type == NL80211_IFTYPE_P2P_GO)) {
WL_ERR(("FW does not support multiple GO\n"));
return BCME_ERROR;
}
mode = WL_MODE_AP;
wlif_type = WL_P2P_IF_GO;
dhd->op_mode &= ~DHD_FLAG_P2P_GC_MODE;
dhd->op_mode |= DHD_FLAG_P2P_GO_MODE;
} else {
wlif_type = WL_P2P_IF_CLIENT;
/* for GO */
if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP) {
WL_INFORM_MEM(("Downgrading P2P GO to cfg_iftype:%d \n", type));
wl_add_remove_eventmsg(ndev, WLC_E_PROBREQ_MSG, false);
cfg->p2p->p2p_go_count--;
/* disable interface before bsscfg free */
err = wl_cfgp2p_ifdisable(cfg, wl_to_p2p_bss_macaddr(cfg, conn_idx));
/* if fw doesn't support "ifdis",
* do not wait for link down of ap mode
*/
if (err == 0) {
WL_DBG(("Wait for Link Down event for GO !!!\n"));
wait_for_completion_timeout(&cfg->iface_disable,
msecs_to_jiffies(500));
} else if (err != BCME_UNSUPPORTED) {
msleep(300);
}
}
}
wl_set_p2p_status(cfg, IF_CHANGING);
wl_clr_p2p_status(cfg, IF_CHANGED);
wl_cfgp2p_ifchange(cfg, wl_to_p2p_bss_macaddr(cfg, conn_idx),
htod32(wlif_type), chspec, conn_idx);
wait_event_interruptible_timeout(cfg->netif_change_event,
(wl_get_p2p_status(cfg, IF_CHANGED) == true),
msecs_to_jiffies(MAX_WAIT_TIME));
wl_clr_p2p_status(cfg, IF_CHANGING);
wl_clr_p2p_status(cfg, IF_CHANGED);
if (mode == WL_MODE_AP) {
wl_set_drv_status(cfg, CONNECTED, ndev);
}
return BCME_OK;
}
static s32
wl_cfg80211_change_virtual_iface(struct wiphy *wiphy, struct net_device *ndev,
enum nl80211_iftype type,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0))
u32 *flags,
#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0)) */
struct vif_params *params)
{
s32 infra = 1;
s32 err = BCME_OK;
u16 wl_iftype;
u16 wl_mode;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct net_info *netinfo = NULL;
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
struct net_device *primary_ndev;
if (!dhd)
return -EINVAL;
WL_INFORM_MEM(("[%s] Enter. current cfg_iftype:%d new cfg_iftype:%d \n",
ndev->name, ndev->ieee80211_ptr->iftype, type));
primary_ndev = bcmcfg_to_prmry_ndev(cfg);
if (cfg80211_to_wl_iftype(type, &wl_iftype, &wl_mode) < 0) {
WL_ERR(("Unknown role \n"));
return -EINVAL;
}
mutex_lock(&cfg->if_sync);
netinfo = wl_get_netinfo_by_wdev(cfg, ndev->ieee80211_ptr);
if (unlikely(!netinfo)) {
if (IS_CFG80211_STATIC_IF(cfg, ndev)) {
WL_MEM(("skip change vif for static if\n"));
err = BCME_OK;
} else {
WL_ERR(("netinfo not found \n"));
err = -ENODEV;
}
goto fail;
}
/* perform pre-if-change tasks */
wl_cfg80211_iface_state_ops(ndev->ieee80211_ptr,
WL_IF_CHANGE_REQ, wl_iftype, wl_mode);
switch (type) {
case NL80211_IFTYPE_ADHOC:
infra = 0;
break;
case NL80211_IFTYPE_STATION:
/* Supplicant sets iftype to STATION while removing p2p GO */
if (ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) {
/* Downgrading P2P GO */
err = wl_cfg80211_change_p2prole(wiphy, ndev, type);
if (unlikely(err)) {
WL_ERR(("P2P downgrade failed \n"));
}
} else if (ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) {
/* Downgrade role from AP to STA */
if ((err = wl_cfg80211_add_del_bss(cfg, ndev,
netinfo->bssidx, wl_iftype, 0, NULL)) < 0) {
WL_ERR(("AP-STA Downgrade failed \n"));
goto fail;
}
}
break;
case NL80211_IFTYPE_AP:
/* intentional fall through */
case NL80211_IFTYPE_AP_VLAN:
{
if (!wl_get_drv_status(cfg, AP_CREATED, ndev)) {
err = wl_cfg80211_set_ap_role(cfg, ndev);
if (unlikely(err)) {
WL_ERR(("set ap role failed!\n"));
goto fail;
}
} else {
WL_INFORM_MEM(("AP_CREATED bit set. Skip role change\n"));
}
break;
}
case NL80211_IFTYPE_P2P_GO:
/* Intentional fall through */
case NL80211_IFTYPE_P2P_CLIENT:
infra = 1;
err = wl_cfg80211_change_p2prole(wiphy, ndev, type);
break;
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_MESH_POINT:
/* Intentional fall through */
default:
WL_ERR(("Unsupported type:%d \n", type));
err = -EINVAL;
goto fail;
}
err = wldev_ioctl_set(ndev, WLC_SET_INFRA, &infra, sizeof(s32));
if (err < 0) {
WL_ERR(("SET INFRA/IBSS error %d\n", err));
goto fail;
}
wl_cfg80211_iface_state_ops(primary_ndev->ieee80211_ptr,
WL_IF_CHANGE_DONE, wl_iftype, wl_mode);
/* Update new iftype in relevant structures */
ndev->ieee80211_ptr->iftype = type;
netinfo->iftype = wl_iftype;
WL_INFORM_MEM(("[%s] cfg_iftype changed to %d\n", ndev->name, type));
fail:
if (err) {
wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL);
}
mutex_unlock(&cfg->if_sync);
return err;
}
s32
wl_cfg80211_notify_ifadd(struct net_device *dev,
int ifidx, char *name, uint8 *mac, uint8 bssidx, uint8 role)
{
bool ifadd_expected = FALSE;
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
/* P2P may send WLC_E_IF_ADD and/or WLC_E_IF_CHANGE during IF updating ("p2p_ifupd")
* redirect the IF_ADD event to ifchange as it is not a real "new" interface
*/
if (wl_get_p2p_status(cfg, IF_CHANGING))
return wl_cfg80211_notify_ifchange(dev, ifidx, name, mac, bssidx);
/* Okay, we are expecting IF_ADD (as IF_ADDING is true) */
if (wl_get_p2p_status(cfg, IF_ADDING)) {
ifadd_expected = TRUE;
wl_clr_p2p_status(cfg, IF_ADDING);
} else if (cfg->bss_pending_op) {
ifadd_expected = TRUE;
cfg->bss_pending_op = FALSE;
}
if (ifadd_expected) {
wl_if_event_info *if_event_info = &cfg->if_event_info;
if_event_info->valid = TRUE;
if_event_info->ifidx = ifidx;
if_event_info->bssidx = bssidx;
if_event_info->role = role;
strncpy(if_event_info->name, name, IFNAMSIZ);
if_event_info->name[IFNAMSIZ] = '\0';
if (mac)
memcpy(if_event_info->mac, mac, ETHER_ADDR_LEN);
WL_INFORM_MEM(("IF_ADD ifidx:%d bssidx:%d role:%d\n",
ifidx, bssidx, role));
wake_up_interruptible(&cfg->netif_change_event);
return BCME_OK;
}
return BCME_ERROR;
}
s32
wl_cfg80211_notify_ifdel(struct net_device *dev, int ifidx, char *name, uint8 *mac, uint8 bssidx)
{
bool ifdel_expected = FALSE;
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
wl_if_event_info *if_event_info = &cfg->if_event_info;
if (wl_get_p2p_status(cfg, IF_DELETING)) {
ifdel_expected = TRUE;
wl_clr_p2p_status(cfg, IF_DELETING);
} else if (cfg->bss_pending_op) {
ifdel_expected = TRUE;
cfg->bss_pending_op = FALSE;
}
if (ifdel_expected) {
if_event_info->valid = TRUE;
if_event_info->ifidx = ifidx;
if_event_info->bssidx = bssidx;
WL_INFORM_MEM(("IF_DEL ifidx:%d bssidx:%d\n", ifidx, bssidx));
wake_up_interruptible(&cfg->netif_change_event);
return BCME_OK;
}
return BCME_ERROR;
}
s32
wl_cfg80211_notify_ifchange(struct net_device * dev, int ifidx, char *name, uint8 *mac,
uint8 bssidx)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
if (wl_get_p2p_status(cfg, IF_CHANGING)) {
wl_set_p2p_status(cfg, IF_CHANGED);
wake_up_interruptible(&cfg->netif_change_event);
return BCME_OK;
}
return BCME_ERROR;
}
/* Find listen channel */
static s32 wl_find_listen_channel(struct bcm_cfg80211 *cfg,
const u8 *ie, u32 ie_len)
{
const wifi_p2p_ie_t *p2p_ie;
const u8 *end, *pos;
s32 listen_channel;
pos = (const u8 *)ie;
p2p_ie = wl_cfgp2p_find_p2pie(pos, ie_len);
if (p2p_ie == NULL) {
return 0;
}
if (p2p_ie->len < MIN_P2P_IE_LEN || p2p_ie->len > MAX_P2P_IE_LEN) {
CFGP2P_ERR(("p2p_ie->len out of range - %d\n", p2p_ie->len));
return 0;
}
pos = p2p_ie->subelts;
end = p2p_ie->subelts + (p2p_ie->len - 4);
CFGP2P_DBG((" found p2p ie ! lenth %d \n",
p2p_ie->len));
while (pos < end) {
uint16 attr_len;
if (pos + 2 >= end) {
CFGP2P_DBG((" -- Invalid P2P attribute"));
return 0;
}
attr_len = ((uint16) (((pos + 1)[1] << 8) | (pos + 1)[0]));
if (pos + 3 + attr_len > end) {
CFGP2P_DBG(("P2P: Attribute underflow "
"(len=%u left=%d)",
attr_len, (int) (end - pos - 3)));
return 0;
}
/* if Listen Channel att id is 6 and the vailue is valid,
* return the listen channel
*/
if (pos[0] == 6) {
/* listen channel subel length format
* 1(id) + 2(len) + 3(country) + 1(op. class) + 1(chan num)
*/
listen_channel = pos[1 + 2 + 3 + 1];
if (listen_channel == SOCIAL_CHAN_1 ||
listen_channel == SOCIAL_CHAN_2 ||
listen_channel == SOCIAL_CHAN_3) {
CFGP2P_DBG((" Found my Listen Channel %d \n", listen_channel));
return listen_channel;
}
}
pos += 3 + attr_len;
}
return 0;
}
static void wl_scan_prep(struct bcm_cfg80211 *cfg, struct wl_scan_params *params,
struct cfg80211_scan_request *request)
{
u32 n_ssids;
u32 n_channels;
u16 channel;
chanspec_t chanspec;
s32 i = 0, j = 0, offset;
char *ptr;
wlc_ssid_t ssid;
memcpy(&params->bssid, &ether_bcast, ETHER_ADDR_LEN);
params->bss_type = DOT11_BSSTYPE_ANY;
params->scan_type = 0;
params->nprobes = -1;
params->active_time = -1;
params->passive_time = -1;
params->home_time = -1;
params->channel_num = 0;
memset(&params->ssid, 0, sizeof(wlc_ssid_t));
WL_SCAN(("Preparing Scan request\n"));
WL_SCAN(("nprobes=%d\n", params->nprobes));
WL_SCAN(("active_time=%d\n", params->active_time));
WL_SCAN(("passive_time=%d\n", params->passive_time));
WL_SCAN(("home_time=%d\n", params->home_time));
WL_SCAN(("scan_type=%d\n", params->scan_type));
params->nprobes = htod32(params->nprobes);
params->active_time = htod32(params->active_time);
params->passive_time = htod32(params->passive_time);
params->home_time = htod32(params->home_time);
/* if request is null just exit so it will be all channel broadcast scan */
if (!request)
return;
n_ssids = request->n_ssids;
n_channels = request->n_channels;
/* Copy channel array if applicable */
WL_SCAN(("### List of channelspecs to scan ###\n"));
if (n_channels > 0) {
for (i = 0; i < n_channels; i++) {
channel = ieee80211_frequency_to_channel(request->channels[i]->center_freq);
/* SKIP DFS channels for Secondary interface */
if ((cfg->escan_info.ndev != bcmcfg_to_prmry_ndev(cfg)) &&
(request->channels[i]->flags &
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
(IEEE80211_CHAN_RADAR | IEEE80211_CHAN_PASSIVE_SCAN)))
#else
(IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IR)))
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0) */
continue;
if (!dhd_conf_match_channel(cfg->pub, channel))
continue;
chanspec = WL_CHANSPEC_BW_20;
if (chanspec == INVCHANSPEC) {
WL_ERR(("Invalid chanspec! Skipping channel\n"));
continue;
}
if (request->channels[i]->band == IEEE80211_BAND_2GHZ) {
#ifdef WL_HOST_BAND_MGMT
if (cfg->curr_band == WLC_BAND_5G) {
WL_DBG(("In 5G only mode, omit 2G channel:%d\n", channel));
continue;
}
#endif /* WL_HOST_BAND_MGMT */
chanspec |= WL_CHANSPEC_BAND_2G;
} else {
#ifdef WL_HOST_BAND_MGMT
if (cfg->curr_band == WLC_BAND_2G) {
WL_DBG(("In 2G only mode, omit 5G channel:%d\n", channel));
continue;
}
#endif /* WL_HOST_BAND_MGMT */
chanspec |= WL_CHANSPEC_BAND_5G;
}
params->channel_list[j] = channel;
params->channel_list[j] &= WL_CHANSPEC_CHAN_MASK;
params->channel_list[j] |= chanspec;
WL_SCAN(("Chan : %d, Channel spec: %x \n",
channel, params->channel_list[j]));
params->channel_list[j] = wl_chspec_host_to_driver(params->channel_list[j]);
j++;
}
} else {
WL_SCAN(("Scanning all channels\n"));
}
n_channels = j;
/* Copy ssid array if applicable */
WL_SCAN(("### List of SSIDs to scan ###\n"));
if (n_ssids > 0) {
offset = offsetof(wl_scan_params_t, channel_list) + n_channels * sizeof(u16);
offset = roundup(offset, sizeof(u32));
ptr = (char*)params + offset;
for (i = 0; i < n_ssids; i++) {
memset(&ssid, 0, sizeof(wlc_ssid_t));
ssid.SSID_len = MIN(request->ssids[i].ssid_len, DOT11_MAX_SSID_LEN);
memcpy(ssid.SSID, request->ssids[i].ssid, ssid.SSID_len);
if (!ssid.SSID_len)
WL_SCAN(("%d: Broadcast scan\n", i));
else
WL_SCAN(("%d: scan for %s size =%d\n", i,
ssid.SSID, ssid.SSID_len));
memcpy(ptr, &ssid, sizeof(wlc_ssid_t));
ptr += sizeof(wlc_ssid_t);
}
} else {
WL_SCAN(("Broadcast scan\n"));
}
/* Adding mask to channel numbers */
params->channel_num =
htod32((n_ssids << WL_SCAN_PARAMS_NSSID_SHIFT) |
(n_channels & WL_SCAN_PARAMS_COUNT_MASK));
if (n_channels == 1) {
params->active_time = htod32(WL_SCAN_CONNECT_DWELL_TIME_MS);
params->nprobes = htod32(params->active_time / WL_SCAN_JOIN_PROBE_INTERVAL_MS);
}
}
static s32
wl_get_valid_channels(struct net_device *ndev, u8 *valid_chan_list, s32 size)
{
wl_uint32_list_t *list;
s32 err = BCME_OK;
if (valid_chan_list == NULL || size <= 0)
return -ENOMEM;
memset(valid_chan_list, 0, size);
list = (wl_uint32_list_t *)(void *) valid_chan_list;
list->count = htod32(WL_NUMCHANNELS);
err = wldev_ioctl_get(ndev, WLC_GET_VALID_CHANNELS, valid_chan_list, size);
if (err != 0) {
WL_ERR(("get channels failed with %d\n", err));
}
return err;
}
#if defined(USE_INITIAL_2G_SCAN) || defined(USE_INITIAL_SHORT_DWELL_TIME)
#define FIRST_SCAN_ACTIVE_DWELL_TIME_MS 40
bool g_first_broadcast_scan = TRUE;
#endif /* USE_INITIAL_2G_SCAN || USE_INITIAL_SHORT_DWELL_TIME */
static s32
wl_run_escan(struct bcm_cfg80211 *cfg, struct net_device *ndev,
struct cfg80211_scan_request *request, uint16 action)
{
s32 err = BCME_OK;
u32 n_channels;
u32 n_ssids;
s32 params_size = (WL_SCAN_PARAMS_FIXED_SIZE + OFFSETOF(wl_escan_params_t, params));
wl_escan_params_t *params = NULL;
u8 chan_buf[sizeof(u32)*(WL_NUMCHANNELS + 1)];
u32 num_chans = 0;
s32 channel;
u32 n_valid_chan;
s32 search_state = WL_P2P_DISC_ST_SCAN;
u32 i, j, n_nodfs = 0;
u16 *default_chan_list = NULL;
wl_uint32_list_t *list;
s32 bssidx = -1;
struct net_device *dev = NULL;
#if defined(USE_INITIAL_2G_SCAN) || defined(USE_INITIAL_SHORT_DWELL_TIME)
bool is_first_init_2g_scan = false;
#endif /* USE_INITIAL_2G_SCAN || USE_INITIAL_SHORT_DWELL_TIME */
p2p_scan_purpose_t p2p_scan_purpose = P2P_SCAN_PURPOSE_MIN;
u32 chan_mem = 0;
scb_val_t scbval;
static int cnt = 0;
WL_DBG(("Enter \n"));
/* scan request can come with empty request : perform all default scan */
if (!cfg) {
err = -EINVAL;
goto exit;
}
if (!cfg->p2p_supported || !p2p_scan(cfg)) {
/* LEGACY SCAN TRIGGER */
WL_SCAN((" LEGACY E-SCAN START\n"));
#if defined(USE_INITIAL_2G_SCAN) || defined(USE_INITIAL_SHORT_DWELL_TIME)
if (!request) {
err = -EINVAL;
goto exit;
}
if (ndev == bcmcfg_to_prmry_ndev(cfg) && g_first_broadcast_scan == true) {
#ifdef USE_INITIAL_2G_SCAN
struct ieee80211_channel tmp_channel_list[CH_MAX_2G_CHANNEL];
/* allow one 5G channel to add previous connected channel in 5G */
bool allow_one_5g_channel = TRUE;
j = 0;
for (i = 0; i < request->n_channels; i++) {
int tmp_chan = ieee80211_frequency_to_channel
(request->channels[i]->center_freq);
if (tmp_chan > CH_MAX_2G_CHANNEL) {
if (allow_one_5g_channel)
allow_one_5g_channel = FALSE;
else
continue;
}
if (j > CH_MAX_2G_CHANNEL) {
WL_ERR(("Index %d exceeds max 2.4GHz channels %d"
" and previous 5G connected channel\n",
j, CH_MAX_2G_CHANNEL));
break;
}
bcopy(request->channels[i], &tmp_channel_list[j],
sizeof(struct ieee80211_channel));
WL_SCAN(("channel of request->channels[%d]=%d\n", i, tmp_chan));
j++;
}
if ((j > 0) && (j <= CH_MAX_2G_CHANNEL)) {
for (i = 0; i < j; i++)
bcopy(&tmp_channel_list[i], request->channels[i],
sizeof(struct ieee80211_channel));
request->n_channels = j;
is_first_init_2g_scan = true;
}
else
WL_ERR(("Invalid number of 2.4GHz channels %d\n", j));
WL_SCAN(("request->n_channels=%d\n", request->n_channels));
#else /* USE_INITIAL_SHORT_DWELL_TIME */
is_first_init_2g_scan = true;
#endif /* USE_INITIAL_2G_SCAN */
g_first_broadcast_scan = false;
}
#endif /* USE_INITIAL_2G_SCAN || USE_INITIAL_SHORT_DWELL_TIME */
/* if scan request is not empty parse scan request paramters */
if (request != NULL) {
n_channels = request->n_channels;
n_ssids = request->n_ssids;
if (n_channels % 2)
/* If n_channels is odd, add a padd of u16 */
params_size += sizeof(u16) * (n_channels + 1);
else
params_size += sizeof(u16) * n_channels;
/* Allocate space for populating ssids in wl_escan_params_t struct */
params_size += sizeof(struct wlc_ssid) * n_ssids;
}
params = (wl_escan_params_t *)MALLOCZ(cfg->osh, params_size);
if (params == NULL) {
err = -ENOMEM;
goto exit;
}
wl_scan_prep(cfg, &params->params, request);
#if defined(USE_INITIAL_2G_SCAN) || defined(USE_INITIAL_SHORT_DWELL_TIME)
/* Override active_time to reduce scan time if it's first bradcast scan. */
if (is_first_init_2g_scan)
params->params.active_time = FIRST_SCAN_ACTIVE_DWELL_TIME_MS;
#endif /* USE_INITIAL_2G_SCAN || USE_INITIAL_SHORT_DWELL_TIME */
params->version = htod32(ESCAN_REQ_VERSION);
params->action = htod16(action);
wl_escan_set_sync_id(params->sync_id, cfg);
wl_escan_set_type(cfg, WL_SCANTYPE_LEGACY);
if (params_size + sizeof("escan") >= WLC_IOCTL_MEDLEN) {
WL_ERR(("ioctl buffer length not sufficient\n"));
MFREE(cfg->osh, params, params_size);
err = -ENOMEM;
goto exit;
}
if (cfg->active_scan == PASSIVE_SCAN) {
params->params.scan_type = DOT11_SCANTYPE_PASSIVE;
WL_DBG(("Passive scan_type %d \n", params->params.scan_type));
}
bssidx = wl_get_bssidx_by_wdev(cfg, ndev->ieee80211_ptr);
err = wldev_iovar_setbuf(ndev, "escan", params, params_size,
cfg->escan_ioctl_buf, WLC_IOCTL_MEDLEN, NULL);
WL_MSG(ndev->name, "LEGACY_SCAN sync ID: %d, bssidx: %d\n", params->sync_id, bssidx);
if (unlikely(err)) {
if (err == BCME_EPERM)
/* Scan Not permitted at this point of time */
WL_DBG((" Escan not permitted at this time (%d)\n", err));
else
WL_ERR((" Escan set error (%d)\n", err));
} else {
DBG_EVENT_LOG((dhd_pub_t *)cfg->pub, WIFI_EVENT_DRIVER_SCAN_REQUESTED);
}
MFREE(cfg->osh, params, params_size);
}
else if (p2p_is_on(cfg) && p2p_scan(cfg)) {
/* P2P SCAN TRIGGER */
s32 _freq = 0;
n_nodfs = 0;
#ifdef WL_NAN
if (wl_cfgnan_check_state(cfg)) {
WL_ERR(("nan is enabled, nan + p2p concurrency not supported\n"));
return BCME_UNSUPPORTED;
}
#endif /* WL_NAN */
if (request && request->n_channels) {
num_chans = request->n_channels;
WL_SCAN((" chann number : %d\n", num_chans));
chan_mem = num_chans * sizeof(*default_chan_list);
default_chan_list = MALLOCZ(cfg->osh, chan_mem);
if (default_chan_list == NULL) {
WL_ERR(("channel list allocation failed \n"));
err = -ENOMEM;
goto exit;
}
if (!wl_get_valid_channels(ndev, chan_buf, sizeof(chan_buf))) {
#ifdef P2P_SKIP_DFS
int is_printed = false;
#endif /* P2P_SKIP_DFS */
list = (wl_uint32_list_t *) chan_buf;
n_valid_chan = dtoh32(list->count);
if (n_valid_chan > WL_NUMCHANNELS) {
WL_ERR(("wrong n_valid_chan:%d\n", n_valid_chan));
MFREE(cfg->osh, default_chan_list, chan_mem);
err = -EINVAL;
goto exit;
}
for (i = 0; i < num_chans; i++)
{
#ifdef WL_HOST_BAND_MGMT
int channel_band = 0;
#endif /* WL_HOST_BAND_MGMT */
_freq = request->channels[i]->center_freq;
channel = ieee80211_frequency_to_channel(_freq);
#ifdef WL_HOST_BAND_MGMT
channel_band = (channel > CH_MAX_2G_CHANNEL) ?
WLC_BAND_5G : WLC_BAND_2G;
if ((cfg->curr_band != WLC_BAND_AUTO) &&
(cfg->curr_band != channel_band) &&
!IS_P2P_SOCIAL_CHANNEL(channel))
continue;
#endif /* WL_HOST_BAND_MGMT */
/* ignore DFS channels */
if (request->channels[i]->flags &
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
(IEEE80211_CHAN_NO_IR
| IEEE80211_CHAN_RADAR))
#else
(IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_PASSIVE_SCAN))
#endif // endif
continue;
#ifdef P2P_SKIP_DFS
if (channel >= 52 && channel <= 144) {
if (is_printed == false) {
WL_ERR(("SKIP DFS CHANs(52~144)\n"));
is_printed = true;
}
continue;
}
#endif /* P2P_SKIP_DFS */
for (j = 0; j < n_valid_chan; j++) {
/* allows only supported channel on
* current reguatory
*/
if (n_nodfs >= num_chans) {
break;
}
if (channel == (dtoh32(list->element[j]))) {
default_chan_list[n_nodfs++] =
channel;
}
}
}
}
if (num_chans == SOCIAL_CHAN_CNT && (
(default_chan_list[0] == SOCIAL_CHAN_1) &&
(default_chan_list[1] == SOCIAL_CHAN_2) &&
(default_chan_list[2] == SOCIAL_CHAN_3))) {
/* SOCIAL CHANNELS 1, 6, 11 */
search_state = WL_P2P_DISC_ST_SEARCH;
p2p_scan_purpose = P2P_SCAN_SOCIAL_CHANNEL;
WL_DBG(("P2P SEARCH PHASE START \n"));
} else if (((dev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION1)) &&
(wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP)) ||
((dev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION2)) &&
(wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP))) {
/* If you are already a GO, then do SEARCH only */
WL_DBG(("Already a GO. Do SEARCH Only"));
search_state = WL_P2P_DISC_ST_SEARCH;
num_chans = n_nodfs;
p2p_scan_purpose = P2P_SCAN_NORMAL;
} else if (num_chans == 1) {
p2p_scan_purpose = P2P_SCAN_CONNECT_TRY;
WL_INFORM_MEM(("Trigger p2p join scan\n"));
} else if (num_chans == SOCIAL_CHAN_CNT + 1) {
/* SOCIAL_CHAN_CNT + 1 takes care of the Progressive scan supported by
* the supplicant
*/
p2p_scan_purpose = P2P_SCAN_SOCIAL_CHANNEL;
} else {
WL_DBG(("P2P SCAN STATE START \n"));
num_chans = n_nodfs;
p2p_scan_purpose = P2P_SCAN_NORMAL;
}
} else {
err = -EINVAL;
goto exit;
}
err = wl_cfgp2p_escan(cfg, ndev, ACTIVE_SCAN, num_chans, default_chan_list,
search_state, action,
wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE), NULL,
p2p_scan_purpose);
if (!err)
cfg->p2p->search_state = search_state;
MFREE(cfg->osh, default_chan_list, chan_mem);
}
exit:
if (unlikely(err)) {
int suppressed = 0;
wldev_ioctl(dev, WLC_GET_SCANSUPPRESS, &suppressed, sizeof(int), false);
/* Don't print Error incase of Scan suppress */
if ((err == BCME_EPERM) && (cfg->scan_suppressed || suppressed)) {
cnt = 0;
WL_DBG(("Escan failed: Scan Suppressed \n"));
} else {
cnt++;
WL_ERR(("error (%d), cnt=%d\n", err, cnt));
// terence 20140111: send disassoc to firmware
if (cnt >= 4) {
dev = bcmcfg_to_prmry_ndev(cfg);
memset(&scbval, 0, sizeof(scb_val_t));
wldev_ioctl(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t), true);
WL_ERR(("Send disassoc to break the busy dev=%p\n", dev));
cnt = 0;
}
}
} else {
cnt = 0;
}
return err;
}
static s32
wl_do_escan(struct bcm_cfg80211 *cfg, struct wiphy *wiphy, struct net_device *ndev,
struct cfg80211_scan_request *request)
{
s32 err = BCME_OK;
s32 passive_scan;
s32 passive_scan_time;
s32 passive_scan_time_org;
wl_scan_results_t *results;
WL_SCAN(("Enter \n"));
results = wl_escan_get_buf(cfg, FALSE);
results->version = 0;
results->count = 0;
results->buflen = WL_SCAN_RESULTS_FIXED_SIZE;
cfg->escan_info.ndev = ndev;
cfg->escan_info.wiphy = wiphy;
cfg->escan_info.escan_state = WL_ESCAN_STATE_SCANING;
passive_scan = cfg->active_scan ? 0 : 1;
err = wldev_ioctl_set(ndev, WLC_SET_PASSIVE_SCAN,
&passive_scan, sizeof(passive_scan));
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
goto exit;
}
if (passive_channel_skip) {
err = wldev_ioctl_get(ndev, WLC_GET_SCAN_PASSIVE_TIME,
&passive_scan_time_org, sizeof(passive_scan_time_org));
if (unlikely(err)) {
WL_ERR(("== error (%d)\n", err));
goto exit;
}
WL_SCAN(("PASSIVE SCAN time : %d \n", passive_scan_time_org));
passive_scan_time = 0;
err = wldev_ioctl_set(ndev, WLC_SET_SCAN_PASSIVE_TIME,
&passive_scan_time, sizeof(passive_scan_time));
if (unlikely(err)) {
WL_ERR(("== error (%d)\n", err));
goto exit;
}
WL_SCAN(("PASSIVE SCAN SKIPED!! (passive_channel_skip:%d) \n",
passive_channel_skip));
}
err = wl_run_escan(cfg, ndev, request, WL_SCAN_ACTION_START);
if (passive_channel_skip) {
err = wldev_ioctl_set(ndev, WLC_SET_SCAN_PASSIVE_TIME,
&passive_scan_time_org, sizeof(passive_scan_time_org));
if (unlikely(err)) {
WL_ERR(("== error (%d)\n", err));
goto exit;
}
WL_SCAN(("PASSIVE SCAN RECOVERED!! (passive_scan_time_org:%d) \n",
passive_scan_time_org));
}
exit:
return err;
}
static s32
__wl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
struct cfg80211_scan_request *request,
struct cfg80211_ssid *this_ssid)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct cfg80211_ssid *ssids;
struct ether_addr primary_mac;
bool p2p_ssid;
#ifdef WL11U
bcm_tlv_t *interworking_ie;
#endif // endif
s32 err = 0;
s32 bssidx = -1;
s32 i;
unsigned long flags;
static s32 busy_count = 0;
#ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
struct net_device *remain_on_channel_ndev = NULL;
#endif // endif
/*
* Hostapd triggers scan before starting automatic channel selection
* to collect channel characteristics. However firmware scan engine
* doesn't support any channel characteristics collection along with
* scan. Hence return scan success.
*/
if (request && (scan_req_iftype(request) == NL80211_IFTYPE_AP)) {
WL_DBG(("Scan Command on SoftAP Interface. Ignoring...\n"));
// terence 20161023: let it scan in SoftAP mode
// return 0;
}
ndev = ndev_to_wlc_ndev(ndev, cfg);
if (WL_DRV_STATUS_SENDING_AF_FRM_EXT(cfg)) {
WL_ERR(("Sending Action Frames. Try it again.\n"));
return -EAGAIN;
}
WL_DBG(("Enter wiphy (%p)\n", wiphy));
if (wl_get_drv_status_all(cfg, SCANNING)) {
if (cfg->scan_request == NULL) {
wl_clr_drv_status_all(cfg, SCANNING);
WL_DBG(("<<<<<<<<<<<Force Clear Scanning Status>>>>>>>>>>>\n"));
} else {
WL_ERR(("Scanning already\n"));
return -EAGAIN;
}
}
if (wl_get_drv_status(cfg, SCAN_ABORTING, ndev)) {
WL_ERR(("Scanning being aborted\n"));
return -EAGAIN;
}
if (request && request->n_ssids > WL_SCAN_PARAMS_SSID_MAX) {
WL_ERR(("request null or n_ssids > WL_SCAN_PARAMS_SSID_MAX\n"));
return -EOPNOTSUPP;
}
#ifdef WL_BCNRECV
/* check fakeapscan in progress then abort */
wl_android_bcnrecv_stop(ndev, WL_BCNRECV_SCANBUSY);
#endif /* WL_BCNRECV */
#ifdef P2P_LISTEN_OFFLOADING
if (wl_get_p2p_status(cfg, DISC_IN_PROGRESS)) {
WL_ERR(("P2P_FIND: Discovery offload is in progress\n"));
return -EAGAIN;
}
#endif /* P2P_LISTEN_OFFLOADING */
#ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
remain_on_channel_ndev = wl_cfg80211_get_remain_on_channel_ndev(cfg);
if (remain_on_channel_ndev) {
WL_DBG(("Remain_on_channel bit is set, somehow it didn't get cleared\n"));
wl_notify_escan_complete(cfg, remain_on_channel_ndev, true, true);
}
#endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */
if (request) { /* scan bss */
ssids = request->ssids;
p2p_ssid = false;
for (i = 0; i < request->n_ssids; i++) {
if (ssids[i].ssid_len &&
IS_P2P_SSID(ssids[i].ssid, ssids[i].ssid_len)) {
/* P2P Scan */
#ifdef WL_BLOCK_P2P_SCAN_ON_STA
if (!(IS_P2P_IFACE(request->wdev))) {
/* P2P scan on non-p2p iface. Fail scan */
WL_ERR(("p2p_search on non p2p iface\n"));
goto scan_out;
}
#endif /* WL_BLOCK_P2P_SCAN_ON_STA */
p2p_ssid = true;
break;
}
}
if (p2p_ssid) {
if (cfg->p2p_supported) {
#ifdef WL_NAN
if (cfg->nan_enable) {
err = wl_cfgnan_disable(cfg, NAN_CONCURRENCY_CONFLICT);
if (err != BCME_OK) {
WL_ERR(("failed to disable nan, error[%d]\n", err));
goto scan_out;
}
}
#endif /* WL_NAN */
/* p2p scan trigger */
if (p2p_on(cfg) == false) {
/* p2p on at the first time */
p2p_on(cfg) = true;
wl_cfgp2p_set_firm_p2p(cfg);
get_primary_mac(cfg, &primary_mac);
wl_cfgp2p_generate_bss_mac(cfg, &primary_mac);
#if defined(P2P_IE_MISSING_FIX)
cfg->p2p_prb_noti = false;
#endif // endif
}
wl_clr_p2p_status(cfg, GO_NEG_PHASE);
WL_DBG(("P2P: GO_NEG_PHASE status cleared \n"));
p2p_scan(cfg) = true;
}
} else {
/* legacy scan trigger
* So, we have to disable p2p discovery if p2p discovery is on
*/
if (cfg->p2p_supported) {
p2p_scan(cfg) = false;
/* If Netdevice is not equals to primary and p2p is on
* , we will do p2p scan using P2PAPI_BSSCFG_DEVICE.
*/
if (p2p_scan(cfg) == false) {
if (wl_get_p2p_status(cfg, DISCOVERY_ON)) {
err = wl_cfgp2p_discover_enable_search(cfg,
false);
if (unlikely(err)) {
goto scan_out;
}
}
}
}
if (!cfg->p2p_supported || !p2p_scan(cfg)) {
if ((bssidx = wl_get_bssidx_by_wdev(cfg,
ndev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from ndev(%p) failed\n",
ndev));
err = BCME_ERROR;
goto scan_out;
}
#ifdef WL11U
if (request && (interworking_ie = wl_cfg80211_find_interworking_ie(
request->ie, request->ie_len)) != NULL) {
if ((err = wl_cfg80211_add_iw_ie(cfg, ndev, bssidx,
VNDR_IE_CUSTOM_FLAG, interworking_ie->id,
interworking_ie->data,
interworking_ie->len)) != BCME_OK) {
WL_ERR(("Failed to add interworking IE"));
}
} else if (cfg->wl11u) {
/* we have to clear IW IE and disable gratuitous APR */
wl_cfg80211_clear_iw_ie(cfg, ndev, bssidx);
err = wldev_iovar_setint_bsscfg(ndev, "grat_arp",
0, bssidx);
/* we don't care about error here
* because the only failure case is unsupported,
* which is fine
*/
if (unlikely(err)) {
WL_ERR(("Set grat_arp failed:(%d) Ignore!\n", err));
}
cfg->wl11u = FALSE;
}
#endif /* WL11U */
if (request) {
err = wl_cfg80211_set_mgmt_vndr_ies(cfg,
ndev_to_cfgdev(ndev), bssidx, VNDR_IE_PRBREQ_FLAG,
request->ie, request->ie_len);
}
if (unlikely(err)) {
// terence 20161023: let it scan in SoftAP mode
// goto scan_out;
}
}
}
} else { /* scan in ibss */
ssids = this_ssid;
}
if (request && cfg->p2p_supported) {
WL_TRACE_HW4(("START SCAN\n"));
DHD_OS_SCAN_WAKE_LOCK_TIMEOUT((dhd_pub_t *)(cfg->pub),
SCAN_WAKE_LOCK_TIMEOUT);
DHD_DISABLE_RUNTIME_PM((dhd_pub_t *)(cfg->pub));
}
if (cfg->p2p_supported) {
if (request && p2p_on(cfg) && p2p_scan(cfg)) {
/* find my listen channel */
cfg->afx_hdl->my_listen_chan =
wl_find_listen_channel(cfg, request->ie,
request->ie_len);
err = wl_cfgp2p_enable_discovery(cfg, ndev,
request->ie, request->ie_len);
if (unlikely(err)) {
goto scan_out;
}
}
}
err = wl_do_escan(cfg, wiphy, ndev, request);
if (likely(!err))
goto scan_success;
else
goto scan_out;
scan_success:
busy_count = 0;
cfg->scan_request = request;
wl_set_drv_status(cfg, SCANNING, ndev);
return 0;
scan_out:
if (err == BCME_BUSY || err == BCME_NOTREADY) {
WL_ERR(("Scan err = (%d), busy?%d", err, -EBUSY));
err = -EBUSY;
} else if ((err == BCME_EPERM) && cfg->scan_suppressed) {
WL_ERR(("Scan not permitted due to scan suppress\n"));
err = -EPERM;
} else {
/* For all other fw errors, use a generic error code as return
* value to cfg80211 stack
*/
err = -EAGAIN;
}
#define SCAN_EBUSY_RETRY_LIMIT 20
if (err == -EBUSY) {
/* Flush FW preserve buffer logs for checking failure */
if (busy_count++ > (SCAN_EBUSY_RETRY_LIMIT/5)) {
wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL);
}
if (busy_count > SCAN_EBUSY_RETRY_LIMIT) {
struct ether_addr bssid;
s32 ret = 0;
#if defined(DHD_DEBUG) && defined(DHD_FW_COREDUMP)
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
#endif /* DHD_DEBUG && DHD_FW_COREDUMP */
busy_count = 0;
WL_ERR(("Unusual continuous EBUSY error, %d %d %d %d %d %d %d %d %d\n",
wl_get_drv_status(cfg, SCANNING, ndev),
wl_get_drv_status(cfg, SCAN_ABORTING, ndev),
wl_get_drv_status(cfg, CONNECTING, ndev),
wl_get_drv_status(cfg, CONNECTED, ndev),
wl_get_drv_status(cfg, DISCONNECTING, ndev),
wl_get_drv_status(cfg, AP_CREATING, ndev),
wl_get_drv_status(cfg, AP_CREATED, ndev),
wl_get_drv_status(cfg, SENDING_ACT_FRM, ndev),
wl_get_drv_status(cfg, SENDING_ACT_FRM, ndev)));
#if defined(DHD_DEBUG) && defined(DHD_FW_COREDUMP)
if (dhdp->memdump_enabled) {
dhdp->memdump_type = DUMP_TYPE_SCAN_BUSY;
dhd_bus_mem_dump(dhdp);
}
#endif /* DHD_DEBUG && DHD_FW_COREDUMP */
bzero(&bssid, sizeof(bssid));
if ((ret = wldev_ioctl_get(ndev, WLC_GET_BSSID,
&bssid, ETHER_ADDR_LEN)) == 0) {
WL_ERR(("FW is connected with " MACDBG "/n",
MAC2STRDBG(bssid.octet)));
} else {
WL_ERR(("GET BSSID failed with %d\n", ret));
}
wl_cfg80211_scan_abort(cfg);
} else {
/* Hold the context for 400msec, so that 10 subsequent scans
* can give a buffer of 4sec which is enough to
* cover any on-going scan in the firmware
*/
WL_DBG(("Enforcing delay for EBUSY case \n"));
msleep(400);
}
} else {
busy_count = 0;
}
wl_clr_drv_status(cfg, SCANNING, ndev);
DHD_OS_SCAN_WAKE_UNLOCK((dhd_pub_t *)(cfg->pub));
spin_lock_irqsave(&cfg->cfgdrv_lock, flags);
cfg->scan_request = NULL;
spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags);
return err;
}
static s32
wl_get_scan_timeout_val(struct bcm_cfg80211 *cfg)
{
u32 scan_timer_interval_ms = WL_SCAN_TIMER_INTERVAL_MS;
/* If NAN is enabled adding +10 sec to the existing timeout value */
#ifdef WL_NAN
if (cfg->nan_enable) {
scan_timer_interval_ms += WL_SCAN_TIMER_INTERVAL_MS_NAN;
}
#endif /* WL_NAN */
WL_INFORM(("scan_timer_interval_ms %d\n", scan_timer_interval_ms));
return scan_timer_interval_ms;
}
static s32
#if defined(WL_CFG80211_P2P_DEV_IF)
wl_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
#else
wl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
struct cfg80211_scan_request *request)
#endif /* WL_CFG80211_P2P_DEV_IF */
{
s32 err = 0;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
#if defined(WL_CFG80211_P2P_DEV_IF)
struct net_device *ndev = wdev_to_wlc_ndev(request->wdev, cfg);
#endif /* WL_CFG80211_P2P_DEV_IF */
WL_DBG(("Enter\n"));
RETURN_EIO_IF_NOT_UP(cfg);
#ifdef DHD_IFDEBUG
#ifdef WL_CFG80211_P2P_DEV_IF
PRINT_WDEV_INFO(request->wdev);
#else
PRINT_WDEV_INFO(ndev);
#endif /* WL_CFG80211_P2P_DEV_IF */
#endif /* DHD_IFDEBUG */
if (ndev == bcmcfg_to_prmry_ndev(cfg)) {
if (wl_cfg_multip2p_operational(cfg)) {
WL_ERR(("wlan0 scan failed, p2p devices are operational"));
return -ENODEV;
}
}
err = wl_cfg80211_check_in4way(cfg, ndev, NO_SCAN_IN4WAY,
WL_EXT_STATUS_SCAN, NULL);
if (err)
return err;
mutex_lock(&cfg->usr_sync);
err = __wl_cfg80211_scan(wiphy, ndev, request, NULL);
if (unlikely(err)) {
WL_ERR(("scan error (%d)\n", err));
} else {
/* Arm the timer */
mod_timer(&cfg->scan_timeout,
jiffies + msecs_to_jiffies(wl_get_scan_timeout_val(cfg)));
}
mutex_unlock(&cfg->usr_sync);
#ifdef WL_DRV_AVOID_SCANCACHE
/* Reset roam cache after successful scan request */
#ifdef ROAM_CHANNEL_CACHE
if (!err) {
reset_roam_cache(cfg);
}
#endif /* ROAM_CHANNEL_CACHE */
#endif /* WL_DRV_AVOID_SCANCACHE */
return err;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0))
static void
wl_cfg80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
{
struct bcm_cfg80211 *cfg;
WL_DBG(("Enter %s\n", __FUNCTION__));
cfg = wiphy_priv(wdev->wiphy);
/* Check if any scan in progress only then abort */
if (wl_get_drv_status_all(cfg, SCANNING)) {
wl_cfg80211_scan_abort(cfg);
/* Only scan abort is issued here. As per the expectation of abort_scan
* the status of abort is needed to be communicated using cfg80211_scan_done call.
* Here we just issue abort request and let the scan complete path to indicate
* abort to cfg80211 layer.
*/
WL_DBG(("%s: Scan abort issued to FW\n", __FUNCTION__));
}
}
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0)) */
static s32 wl_set_rts(struct net_device *dev, u32 rts_threshold)
{
s32 err = 0;
err = wldev_iovar_setint(dev, "rtsthresh", rts_threshold);
if (unlikely(err)) {
WL_ERR(("Error (%d)\n", err));
return err;
}
return err;
}
static s32 wl_set_frag(struct net_device *dev, u32 frag_threshold)
{
s32 err = 0;
err = wldev_iovar_setint_bsscfg(dev, "fragthresh", frag_threshold, 0);
if (unlikely(err)) {
WL_ERR(("Error (%d)\n", err));
return err;
}
return err;
}
static s32 wl_set_retry(struct net_device *dev, u32 retry, bool l)
{
s32 err = 0;
u32 cmd = (l ? WLC_SET_LRL : WLC_SET_SRL);
#ifdef CUSTOM_LONG_RETRY_LIMIT
if ((cmd == WLC_SET_LRL) &&
(retry != CUSTOM_LONG_RETRY_LIMIT)) {
WL_DBG(("CUSTOM_LONG_RETRY_LIMIT is used.Ignore configuration"));
return err;
}
#endif /* CUSTOM_LONG_RETRY_LIMIT */
retry = htod32(retry);
err = wldev_ioctl_set(dev, cmd, &retry, sizeof(retry));
if (unlikely(err)) {
WL_ERR(("cmd (%d) , error (%d)\n", cmd, err));
return err;
}
return err;
}
static s32 wl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
{
struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)wiphy_priv(wiphy);
struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
s32 err = 0;
RETURN_EIO_IF_NOT_UP(cfg);
WL_DBG(("Enter\n"));
if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
(cfg->conf->rts_threshold != wiphy->rts_threshold)) {
cfg->conf->rts_threshold = wiphy->rts_threshold;
err = wl_set_rts(ndev, cfg->conf->rts_threshold);
if (err != BCME_OK)
return err;
}
if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
(cfg->conf->frag_threshold != wiphy->frag_threshold)) {
cfg->conf->frag_threshold = wiphy->frag_threshold;
err = wl_set_frag(ndev, cfg->conf->frag_threshold);
if (err != BCME_OK)
return err;
}
if (changed & WIPHY_PARAM_RETRY_LONG &&
(cfg->conf->retry_long != wiphy->retry_long)) {
cfg->conf->retry_long = wiphy->retry_long;
err = wl_set_retry(ndev, cfg->conf->retry_long, true);
if (err != BCME_OK)
return err;
}
if (changed & WIPHY_PARAM_RETRY_SHORT &&
(cfg->conf->retry_short != wiphy->retry_short)) {
cfg->conf->retry_short = wiphy->retry_short;
err = wl_set_retry(ndev, cfg->conf->retry_short, false);
if (err != BCME_OK) {
return err;
}
}
return err;
}
static chanspec_t
channel_to_chanspec(struct wiphy *wiphy, struct net_device *dev, u32 channel, u32 bw_cap)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
u8 *buf = NULL;
wl_uint32_list_t *list;
int err = BCME_OK;
chanspec_t c = 0, ret_c = 0;
int bw = 0, tmp_bw = 0;
int i;
u32 tmp_c;
#define LOCAL_BUF_SIZE 1024
buf = (u8 *)MALLOC(cfg->osh, LOCAL_BUF_SIZE);
if (!buf) {
WL_ERR(("buf memory alloc failed\n"));
goto exit;
}
err = wldev_iovar_getbuf_bsscfg(dev, "chanspecs", NULL,
0, buf, LOCAL_BUF_SIZE, 0, &cfg->ioctl_buf_sync);
if (err != BCME_OK) {
WL_ERR(("get chanspecs failed with %d\n", err));
goto exit;
}
list = (wl_uint32_list_t *)(void *)buf;
for (i = 0; i < dtoh32(list->count); i++) {
c = dtoh32(list->element[i]);
if (channel <= CH_MAX_2G_CHANNEL) {
if (!CHSPEC_IS20(c))
continue;
if (channel == CHSPEC_CHANNEL(c)) {
ret_c = c;
bw = 20;
goto exit;
}
}
tmp_c = wf_chspec_ctlchan(c);
tmp_bw = bw2cap[CHSPEC_BW(c) >> WL_CHANSPEC_BW_SHIFT];
if (tmp_c != channel)
continue;
if ((tmp_bw > bw) && (tmp_bw <= bw_cap)) {
bw = tmp_bw;
ret_c = c;
if (bw == bw_cap)
goto exit;
}
}
exit:
if (buf) {
MFREE(cfg->osh, buf, LOCAL_BUF_SIZE);
}
#undef LOCAL_BUF_SIZE
WL_DBG(("return chanspec %x %d\n", ret_c, bw));
return ret_c;
}
void
wl_cfg80211_ibss_vsie_set_buffer(struct net_device *dev, vndr_ie_setbuf_t *ibss_vsie,
int ibss_vsie_len)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
if (cfg != NULL && ibss_vsie != NULL) {
if (cfg->ibss_vsie != NULL) {
MFREE(cfg->osh, cfg->ibss_vsie, cfg->ibss_vsie_len);
}
cfg->ibss_vsie = ibss_vsie;
cfg->ibss_vsie_len = ibss_vsie_len;
}
}
static void
wl_cfg80211_ibss_vsie_free(struct bcm_cfg80211 *cfg)
{
/* free & initiralize VSIE (Vendor Specific IE) */
if (cfg->ibss_vsie != NULL) {
MFREE(cfg->osh, cfg->ibss_vsie, cfg->ibss_vsie_len);
cfg->ibss_vsie = NULL;
cfg->ibss_vsie_len = 0;
}
}
s32
wl_cfg80211_ibss_vsie_delete(struct net_device *dev)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
char *ioctl_buf = NULL;
s32 ret = BCME_OK, bssidx;
if (cfg != NULL && cfg->ibss_vsie != NULL) {
ioctl_buf = (char *)MALLOC(cfg->osh, WLC_IOCTL_MEDLEN);
if (!ioctl_buf) {
WL_ERR(("ioctl memory alloc failed\n"));
return -ENOMEM;
}
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find index failed\n"));
ret = BCME_ERROR;
goto end;
}
/* change the command from "add" to "del" */
strncpy(cfg->ibss_vsie->cmd, "del", VNDR_IE_CMD_LEN - 1);
cfg->ibss_vsie->cmd[VNDR_IE_CMD_LEN - 1] = '\0';
ret = wldev_iovar_setbuf_bsscfg(dev, "vndr_ie",
cfg->ibss_vsie, cfg->ibss_vsie_len,
ioctl_buf, WLC_IOCTL_MEDLEN, bssidx, NULL);
WL_ERR(("ret=%d\n", ret));
if (ret == BCME_OK) {
/* free & initialize VSIE */
MFREE(cfg->osh, cfg->ibss_vsie, cfg->ibss_vsie_len);
cfg->ibss_vsie = NULL;
cfg->ibss_vsie_len = 0;
}
end:
if (ioctl_buf) {
MFREE(cfg->osh, ioctl_buf, WLC_IOCTL_MEDLEN);
}
}
return ret;
}
#ifdef WLAIBSS_MCHAN
static bcm_struct_cfgdev*
bcm_cfg80211_add_ibss_if(struct wiphy *wiphy, char *name)
{
int err = 0;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct wireless_dev* wdev = NULL;
struct net_device *new_ndev = NULL;
struct net_device *primary_ndev = NULL;
s32 timeout;
wl_aibss_if_t aibss_if;
wl_if_event_info *event = NULL;
if (cfg->ibss_cfgdev != NULL) {
WL_ERR(("IBSS interface %s already exists\n", name));
return NULL;
}
WL_ERR(("Try to create IBSS interface %s\n", name));
primary_ndev = bcmcfg_to_prmry_ndev(cfg);
/* generate a new MAC address for the IBSS interface */
get_primary_mac(cfg, &cfg->ibss_if_addr);
cfg->ibss_if_addr.octet[4] ^= 0x40;
memset(&aibss_if, sizeof(aibss_if), 0);
memcpy(&aibss_if.addr, &cfg->ibss_if_addr, sizeof(aibss_if.addr));
aibss_if.chspec = 0;
aibss_if.len = sizeof(aibss_if);
cfg->bss_pending_op = TRUE;
memset(&cfg->if_event_info, 0, sizeof(cfg->if_event_info));
err = wldev_iovar_setbuf(primary_ndev, "aibss_ifadd", &aibss_if,
sizeof(aibss_if), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
if (err) {
WL_ERR(("IOVAR aibss_ifadd failed with error %d\n", err));
goto fail;
}
timeout = wait_event_interruptible_timeout(cfg->netif_change_event,
!cfg->bss_pending_op, msecs_to_jiffies(MAX_WAIT_TIME));
if (timeout <= 0 || cfg->bss_pending_op)
goto fail;
event = &cfg->if_event_info;
/* By calling wl_cfg80211_allocate_if (dhd_allocate_if eventually) we give the control
* over this net_device interface to dhd_linux, hence the interface is managed by dhd_liux
* and will be freed by dhd_detach unless it gets unregistered before that. The
* wireless_dev instance new_ndev->ieee80211_ptr associated with this net_device will
* be freed by wl_dealloc_netinfo
*/
new_ndev = wl_cfg80211_allocate_if(cfg, event->ifidx, event->name,
event->mac, event->bssidx, event->name);
if (new_ndev == NULL)
goto fail;
wdev = (struct wireless_dev *)MALLOCZ(cfg->osh, sizeof(*wdev));
if (wdev == NULL)
goto fail;
wdev->wiphy = wiphy;
wdev->iftype = NL80211_IFTYPE_ADHOC;
wdev->netdev = new_ndev;
new_ndev->ieee80211_ptr = wdev;
SET_NETDEV_DEV(new_ndev, wiphy_dev(wdev->wiphy));
/* rtnl lock must have been acquired, if this is not the case, wl_cfg80211_register_if
* needs to be modified to take one parameter (bool need_rtnl_lock)
*/
ASSERT_RTNL();
if (wl_cfg80211_register_if(cfg, event->ifidx, new_ndev, FALSE) != BCME_OK)
goto fail;
wl_alloc_netinfo(cfg, new_ndev, wdev, WL_IF_TYPE_IBSS,
PM_ENABLE, event->bssidx, event->ifidx);
cfg->ibss_cfgdev = ndev_to_cfgdev(new_ndev);
WL_ERR(("IBSS interface %s created\n", new_ndev->name));
return cfg->ibss_cfgdev;
fail:
WL_ERR(("failed to create IBSS interface %s \n", name));
cfg->bss_pending_op = FALSE;
if (new_ndev)
wl_cfg80211_remove_if(cfg, event->ifidx, new_ndev, FALSE);
if (wdev) {
MFREE(cfg->osh, wdev, sizeof(*wdev));
}
return NULL;
}
static s32
bcm_cfg80211_del_ibss_if(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev)
{
int err = 0;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct net_device *ndev = NULL;
struct net_device *primary_ndev = NULL;
s32 timeout;
if (!cfgdev || cfg->ibss_cfgdev != cfgdev || ETHER_ISNULLADDR(&cfg->ibss_if_addr.octet))
return -EINVAL;
ndev = (struct net_device *)cfgdev_to_ndev(cfg->ibss_cfgdev);
primary_ndev = bcmcfg_to_prmry_ndev(cfg);
cfg->bss_pending_op = TRUE;
memset(&cfg->if_event_info, 0, sizeof(cfg->if_event_info));
err = wldev_iovar_setbuf(primary_ndev, "aibss_ifdel", &cfg->ibss_if_addr,
sizeof(cfg->ibss_if_addr), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
if (err) {
WL_ERR(("IOVAR aibss_ifdel failed with error %d\n", err));
goto fail;
}
timeout = wait_event_interruptible_timeout(cfg->netif_change_event,
!cfg->bss_pending_op, msecs_to_jiffies(MAX_WAIT_TIME));
if (timeout <= 0 || cfg->bss_pending_op) {
WL_ERR(("timeout in waiting IF_DEL event\n"));
goto fail;
}
wl_cfg80211_remove_if(cfg, cfg->if_event_info.ifidx, ndev, FALSE);
cfg->ibss_cfgdev = NULL;
return 0;
fail:
cfg->bss_pending_op = FALSE;
return -1;
}
#endif /* WLAIBSS_MCHAN */
s32
wl_cfg80211_to_fw_iftype(wl_iftype_t iftype)
{
s32 ret = BCME_ERROR;
switch (iftype) {
case WL_IF_TYPE_AP:
ret = WL_INTERFACE_TYPE_AP;
break;
case WL_IF_TYPE_STA:
ret = WL_INTERFACE_TYPE_STA;
break;
case WL_IF_TYPE_NAN_NMI:
case WL_IF_TYPE_NAN:
ret = WL_INTERFACE_TYPE_NAN;
break;
case WL_IF_TYPE_P2P_DISC:
ret = WL_INTERFACE_TYPE_P2P_DISC;
break;
case WL_IF_TYPE_P2P_GO:
ret = WL_INTERFACE_TYPE_P2P_GO;
break;
case WL_IF_TYPE_P2P_GC:
ret = WL_INTERFACE_TYPE_P2P_GC;
break;
case WL_IF_TYPE_AWDL:
ret = WL_INTERFACE_TYPE_AWDL;
break;
default:
WL_ERR(("Unsupported type:%d \n", iftype));
ret = -EINVAL;
break;
}
return ret;
}
s32
wl_cfg80211_interface_ops(struct bcm_cfg80211 *cfg,
struct net_device *ndev, s32 bsscfg_idx,
wl_iftype_t cfg_iftype, s32 del, u8 *addr)
{
s32 ret;
struct wl_interface_create_v2 iface;
wl_interface_create_v3_t iface_v3;
struct wl_interface_info_v1 *info;
wl_interface_info_v2_t *info_v2;
uint32 ifflags = 0;
bool use_iface_info_v2 = false;
u8 ioctl_buf[WLC_IOCTL_SMLEN];
s32 iftype;
if (del) {
ret = wldev_iovar_setbuf(ndev, "interface_remove",
NULL, 0, ioctl_buf, sizeof(ioctl_buf), NULL);
if (unlikely(ret))
WL_ERR(("Interface remove failed!! ret %d\n", ret));
return ret;
}
/* Interface create */
bzero(&iface, sizeof(iface));
/*
* flags field is still used along with iftype inorder to support the old version of the
* FW work with the latest app changes.
*/
iftype = wl_cfg80211_to_fw_iftype(cfg_iftype);
if (iftype < 0) {
return -ENOTSUPP;
}
if (addr) {
ifflags |= WL_INTERFACE_MAC_USE;
}
/* Pass ver = 0 for fetching the interface_create iovar version */
ret = wldev_iovar_getbuf(ndev, "interface_create",
&iface, sizeof(struct wl_interface_create_v2),
ioctl_buf, sizeof(ioctl_buf), NULL);
if (ret == BCME_UNSUPPORTED) {
WL_ERR(("interface_create iovar not supported\n"));
return ret;
} else if ((ret == 0) && *((uint32 *)ioctl_buf) == WL_INTERFACE_CREATE_VER_3) {
WL_DBG(("interface_create version 3. flags:0x%x \n", ifflags));
use_iface_info_v2 = true;
bzero(&iface_v3, sizeof(wl_interface_create_v3_t));
iface_v3.ver = WL_INTERFACE_CREATE_VER_3;
iface_v3.iftype = iftype;
iface_v3.flags = ifflags;
if (addr) {
memcpy(&iface_v3.mac_addr.octet, addr, ETH_ALEN);
}
ret = wldev_iovar_getbuf(ndev, "interface_create",
&iface_v3, sizeof(wl_interface_create_v3_t),
ioctl_buf, sizeof(ioctl_buf), NULL);
} else {
/* On any other error, attempt with iovar version 2 */
WL_DBG(("interface_create version 2. get_ver:%d ifflags:0x%x\n", ret, ifflags));
iface.ver = WL_INTERFACE_CREATE_VER_2;
iface.iftype = iftype;
iface.flags = ifflags;
if (addr) {
memcpy(&iface.mac_addr.octet, addr, ETH_ALEN);
}
ret = wldev_iovar_getbuf(ndev, "interface_create",
&iface, sizeof(struct wl_interface_create_v2),
ioctl_buf, sizeof(ioctl_buf), NULL);
}
if (unlikely(ret)) {
WL_ERR(("Interface create failed!! ret %d\n", ret));
return ret;
}
/* success case */
if (use_iface_info_v2 == true) {
info_v2 = (wl_interface_info_v2_t *)ioctl_buf;
ret = info_v2->bsscfgidx;
} else {
/* Use v1 struct */
info = (struct wl_interface_info_v1 *)ioctl_buf;
ret = info->bsscfgidx;
}
WL_DBG(("wl interface create success!! bssidx:%d \n", ret));
return ret;
}
s32
wl_cfg80211_add_del_bss(struct bcm_cfg80211 *cfg,
struct net_device *ndev, s32 bsscfg_idx,
wl_iftype_t brcm_iftype, s32 del, u8 *addr)
{
s32 ret = BCME_OK;
s32 val = 0;
struct {
s32 cfg;
s32 val;
struct ether_addr ea;
} bss_setbuf;
WL_DBG(("wl_iftype:%d del:%d \n", brcm_iftype, del));
bzero(&bss_setbuf, sizeof(bss_setbuf));
/* AP=2, STA=3, up=1, down=0, val=-1 */
if (del) {
val = WLC_AP_IOV_OP_DELETE;
} else if (brcm_iftype == WL_IF_TYPE_AP) {
/* Add/role change to AP Interface */
WL_DBG(("Adding AP Interface \n"));
val = WLC_AP_IOV_OP_MANUAL_AP_BSSCFG_CREATE;
} else if (brcm_iftype == WL_IF_TYPE_STA) {
/* Add/role change to STA Interface */
WL_DBG(("Adding STA Interface \n"));
val = WLC_AP_IOV_OP_MANUAL_STA_BSSCFG_CREATE;
} else {
WL_ERR((" add_del_bss NOT supported for IFACE type:0x%x", brcm_iftype));
return -EINVAL;
}
bss_setbuf.cfg = htod32(bsscfg_idx);
bss_setbuf.val = htod32(val);
if (addr) {
memcpy(&bss_setbuf.ea.octet, addr, ETH_ALEN);
}
WL_INFORM_MEM(("wl bss %d bssidx:%d iface:%s \n", val, bsscfg_idx, ndev->name));
ret = wldev_iovar_setbuf(ndev, "bss", &bss_setbuf, sizeof(bss_setbuf),
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
if (ret != 0)
WL_ERR(("'bss %d' failed with %d\n", val, ret));
return ret;
}
s32
wl_cfg80211_bss_up(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 bsscfg_idx, s32 bss_up)
{
s32 ret = BCME_OK;
s32 val = bss_up ? 1 : 0;
struct {
s32 cfg;
s32 val;
} bss_setbuf;
bss_setbuf.cfg = htod32(bsscfg_idx);
bss_setbuf.val = htod32(val);
WL_INFORM_MEM(("wl bss -C %d %s\n", bsscfg_idx, bss_up ? "up" : "down"));
ret = wldev_iovar_setbuf(ndev, "bss", &bss_setbuf, sizeof(bss_setbuf),
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
if (ret != 0) {
WL_ERR(("'bss %d' failed with %d\n", bss_up, ret));
}
return ret;
}
bool
wl_cfg80211_bss_isup(struct net_device *ndev, int bsscfg_idx)
{
s32 result, val;
bool isup = false;
s8 getbuf[64];
/* Check if the BSS is up */
*(int*)getbuf = -1;
result = wldev_iovar_getbuf_bsscfg(ndev, "bss", &bsscfg_idx,
sizeof(bsscfg_idx), getbuf, sizeof(getbuf), 0, NULL);
if (result != 0) {
WL_ERR(("'cfg bss -C %d' failed: %d\n", bsscfg_idx, result));
WL_ERR(("NOTE: this ioctl error is normal "
"when the BSS has not been created yet.\n"));
} else {
val = *(int*)getbuf;
val = dtoh32(val);
WL_DBG(("wl bss -C %d = %d\n", bsscfg_idx, val));
isup = (val ? TRUE : FALSE);
}
return isup;
}
s32
wl_iftype_to_mode(wl_iftype_t iftype)
{
s32 mode = BCME_ERROR;
switch (iftype) {
case WL_IF_TYPE_STA:
case WL_IF_TYPE_P2P_GC:
case WL_IF_TYPE_P2P_DISC:
mode = WL_MODE_BSS;
break;
case WL_IF_TYPE_AP:
case WL_IF_TYPE_P2P_GO:
mode = WL_MODE_AP;
break;
case WL_IF_TYPE_NAN:
mode = WL_MODE_NAN;
break;
case WL_IF_TYPE_AWDL:
mode = WL_MODE_AWDL;
break;
case WL_IF_TYPE_AIBSS:
/* Intentional fall through */
case WL_IF_TYPE_IBSS:
mode = WL_MODE_IBSS;
break;
default:
WL_ERR(("Unsupported type:%d\n", iftype));
break;
}
return mode;
}
static s32
cfg80211_to_wl_iftype(uint16 type, uint16 *role, uint16 *mode)
{
switch (type) {
case NL80211_IFTYPE_STATION:
*role = WL_IF_TYPE_STA;
*mode = WL_MODE_BSS;
break;
case NL80211_IFTYPE_AP:
*role = WL_IF_TYPE_AP;
*mode = WL_MODE_AP;
break;
#ifdef WL_CFG80211_P2P_DEV_IF
case NL80211_IFTYPE_P2P_DEVICE:
*role = WL_IF_TYPE_P2P_DISC;
*mode = WL_MODE_BSS;
break;
#endif /* WL_CFG80211_P2P_DEV_IF */
case NL80211_IFTYPE_P2P_GO:
*role = WL_IF_TYPE_P2P_GO;
*mode = WL_MODE_AP;
break;
case NL80211_IFTYPE_P2P_CLIENT:
*role = WL_IF_TYPE_P2P_GC;
*mode = WL_MODE_BSS;
break;
case NL80211_IFTYPE_MONITOR:
WL_ERR(("Unsupported mode \n"));
return BCME_UNSUPPORTED;
case NL80211_IFTYPE_ADHOC:
*role = WL_IF_TYPE_IBSS;
*mode = WL_MODE_IBSS;
break;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0))
case NL80211_IFTYPE_NAN:
*role = WL_IF_TYPE_NAN;
*mode = WL_MODE_NAN;
break;
#endif // endif
default:
WL_ERR(("Unknown interface type:0x%x\n", type));
return BCME_ERROR;
}
return BCME_OK;
}
static s32
wl_role_to_cfg80211_type(uint16 role, uint16 *wl_iftype, uint16 *mode)
{
switch (role) {
*wl_iftype = WL_IF_TYPE_AWDL;
*mode = WL_MODE_AWDL;
return NL80211_IFTYPE_STATION;
case WLC_E_IF_ROLE_STA:
*wl_iftype = WL_IF_TYPE_STA;
*mode = WL_MODE_BSS;
return NL80211_IFTYPE_STATION;
case WLC_E_IF_ROLE_AP:
*wl_iftype = WL_IF_TYPE_AP;
*mode = WL_MODE_AP;
return NL80211_IFTYPE_AP;
case WLC_E_IF_ROLE_P2P_GO:
*wl_iftype = WL_IF_TYPE_P2P_GO;
*mode = WL_MODE_AP;
return NL80211_IFTYPE_P2P_GO;
case WLC_E_IF_ROLE_P2P_CLIENT:
*wl_iftype = WL_IF_TYPE_P2P_GC;
*mode = WL_MODE_BSS;
return NL80211_IFTYPE_P2P_CLIENT;
case WLC_E_IF_ROLE_IBSS:
*wl_iftype = WL_IF_TYPE_IBSS;
*mode = WL_MODE_IBSS;
return NL80211_IFTYPE_ADHOC;
case WLC_E_IF_ROLE_NAN:
*wl_iftype = WL_IF_TYPE_NAN;
*mode = WL_MODE_NAN;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0)) && defined(WL_CFG80211_NAN)
/* NL80211_IFTYPE_NAN should only be used with CFG80211 NAN MGMT
* For Vendor HAL based NAN implementation, continue advertising
* as a STA interface
*/
return NL80211_IFTYPE_NAN;
#else
return NL80211_IFTYPE_STATION;
#endif /* ((LINUX_VER >= KERNEL_VERSION(4, 9, 0))) && WL_CFG80211_NAN */
default:
WL_ERR(("Unknown interface role:0x%x. Forcing type station\n", role));
return BCME_ERROR;
}
}
#define MAX_ACTIVE_IF_LINKS 2
struct net_device *
wl_cfg80211_post_ifcreate(struct net_device *ndev,
wl_if_event_info *event, u8 *addr,
const char *name, bool rtnl_lock_reqd)
{
struct bcm_cfg80211 *cfg;
struct net_device *primary_ndev;
struct net_device *new_ndev = NULL;
struct wireless_dev *wdev = NULL;
s32 iface_type;
s32 ret = BCME_OK;
u16 mode;
u8 mac_addr[ETH_ALEN];
u16 wl_iftype;
#ifdef WL_STATIC_IF
bool static_if = false;
#endif /* WL_STATIC_IF */
if (!ndev || !event) {
WL_ERR(("Wrong arg\n"));
return NULL;
}
cfg = wl_get_cfg(ndev);
if (!cfg) {
WL_ERR(("cfg null\n"));
return NULL;
}
WL_DBG(("Enter. role:%d ifidx:%d bssidx:%d\n",
event->role, event->ifidx, event->bssidx));
if (!event->ifidx || !event->bssidx) {
/* Fw returned primary idx (0) for virtual interface */
WL_ERR(("Wrong index. ifidx:%d bssidx:%d \n",
event->ifidx, event->bssidx));
return NULL;
}
if (wl_get_drv_status_all(cfg, CONNECTED) > MAX_ACTIVE_IF_LINKS) {
WL_ERR(("Can't support more than %d active links\n", MAX_ACTIVE_IF_LINKS));
return NULL;
}
iface_type = wl_role_to_cfg80211_type(event->role, &wl_iftype, &mode);
if (iface_type < 0) {
/* Unknown iface type */
WL_ERR(("Wrong iface type \n"));
return NULL;
}
#ifdef WL_EXT_IAPSTA
if (wl_ext_check_mesh_creating(ndev)) {
printf("%s: change iface_type to NL80211_IFTYPE_MESH_POINT\n", __FUNCTION__);
iface_type = NL80211_IFTYPE_MESH_POINT;
}
#endif
WL_DBG(("mac_ptr:%p name:%s role:%d nl80211_iftype:%d " MACDBG "\n",
addr, name, event->role, iface_type, MAC2STRDBG(event->mac)));
if (!name) {
/* If iface name is not provided, use dongle ifname */
name = event->name;
}
if (!addr) {
/* If mac address is not set, use primary mac with locally administered
* bit set.
*/
primary_ndev = bcmcfg_to_prmry_ndev(cfg);
memcpy(mac_addr, primary_ndev->dev_addr, ETH_ALEN);
/* For customer6 builds, use primary mac address for virtual interface */
mac_addr[0] |= 0x02;
addr = mac_addr;
}
#ifdef WL_STATIC_IF
static_if = IS_CFG80211_STATIC_IF_NAME(cfg, name);
if (static_if) {
new_ndev = wl_cfg80211_post_static_ifcreate(cfg, event, addr, iface_type);
wdev = new_ndev->ieee80211_ptr;
} else
#endif /* WL_STATIC_IF */
{
new_ndev = wl_cfg80211_allocate_if(cfg, event->ifidx,
name, addr, event->bssidx, event->name);
if (!new_ndev) {
WL_ERR(("I/F allocation failed! \n"));
return NULL;
} else {
WL_DBG(("I/F allocation succeeded! ifidx:0x%x bssidx:0x%x \n",
event->ifidx, event->bssidx));
}
wdev = (struct wireless_dev *)MALLOCZ(cfg->osh, sizeof(*wdev));
if (!wdev) {
WL_ERR(("wireless_dev alloc failed! \n"));
wl_cfg80211_remove_if(cfg, event->ifidx, new_ndev, rtnl_lock_reqd);
return NULL;
}
wdev->wiphy = bcmcfg_to_wiphy(cfg);
wdev->iftype = iface_type;
new_ndev->ieee80211_ptr = wdev;
SET_NETDEV_DEV(new_ndev, wiphy_dev(wdev->wiphy));
memcpy(new_ndev->dev_addr, addr, ETH_ALEN);
if (wl_cfg80211_register_if(cfg, event->ifidx, new_ndev, rtnl_lock_reqd)
!= BCME_OK) {
WL_ERR(("IFACE register failed \n"));
/* Post interface registration, wdev would be freed from the netdev
* destructor path. For other cases, handle it here.
*/
MFREE(cfg->osh, wdev, sizeof(*wdev));
wl_cfg80211_remove_if(cfg, event->ifidx, new_ndev, rtnl_lock_reqd);
return NULL;
}
}
/* Initialize with the station mode params */
ret = wl_alloc_netinfo(cfg, new_ndev, wdev, wl_iftype,
PM_ENABLE, event->bssidx, event->ifidx);
if (unlikely(ret)) {
WL_ERR(("wl_alloc_netinfo Error (%d)\n", ret));
goto fail;
}
/* Apply the mode & infra setting based on iftype */
if ((ret = wl_config_infra(cfg, new_ndev, wl_iftype)) < 0) {
WL_ERR(("config ifmode failure (%d)\n", ret));
goto fail;
}
if (mode == WL_MODE_AP) {
wl_set_drv_status(cfg, AP_CREATING, new_ndev);
}
WL_INFORM_MEM(("Network Interface (%s) registered with host."
" cfg_iftype:%d wl_role:%d " MACDBG "\n",
new_ndev->name, iface_type, event->role, MAC2STRDBG(new_ndev->dev_addr)));
#ifdef SUPPORT_SET_CAC
wl_cfg80211_set_cac(cfg, 0);
#endif /* SUPPORT_SET_CAC */
return new_ndev;
fail:
#ifdef WL_STATIC_IF
/* remove static if from iflist */
if (static_if) {
cfg->static_ndev_state = NDEV_STATE_FW_IF_FAILED;
wl_cfg80211_update_iflist_info(cfg, new_ndev, WL_STATIC_IFIDX, addr,
event->bssidx, event->name, NDEV_STATE_FW_IF_FAILED);
}
#endif /* WL_STATIC_IF */
if (new_ndev) {
/* wdev would be freed from netdev destructor call back */
wl_cfg80211_remove_if(cfg, event->ifidx, new_ndev, rtnl_lock_reqd);
}
return NULL;
}
void
wl_cfg80211_cleanup_virtual_ifaces(struct bcm_cfg80211 *cfg, bool rtnl_lock_reqd)
{
struct net_info *iter, *next;
struct net_device *primary_ndev;
/* Note: This function will clean up only the network interface and host
* data structures. The firmware interface clean up will happen in the
* during chip reset (ifconfig wlan0 down for built-in drivers/rmmod
* context for the module case).
*/
primary_ndev = bcmcfg_to_prmry_ndev(cfg);
WL_DBG(("Enter\n"));
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif // endif
for_each_ndev(cfg, iter, next) {
if (iter->ndev && (iter->ndev != primary_ndev)) {
WL_DBG(("Cleaning up iface:%s \n", iter->ndev->name));
wl_cfg80211_post_ifdel(iter->ndev, rtnl_lock_reqd, 0);
}
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic pop
#endif // endif
}
s32
wl_cfg80211_post_ifdel(struct net_device *ndev, bool rtnl_lock_reqd, s32 ifidx)
{
s32 ret = BCME_OK;
struct bcm_cfg80211 *cfg;
u16 wl_iftype;
struct net_info *netinfo = NULL;
#ifdef WL_STATIC_IF
bool static_if = false;
#endif /* WL_STATIC_IF */
if (!ndev || !ndev->ieee80211_ptr) {
/* No wireless dev done for this interface */
ret = -EINVAL;
goto exit;
}
cfg = wl_get_cfg(ndev);
if (!cfg) {
WL_ERR(("cfg null\n"));
ret = BCME_ERROR;
goto exit;
}
if (ifidx <= 0) {
WL_ERR(("Invalid IF idx for iface:%s\n", ndev->name));
ifidx = dhd_net2idx(((struct dhd_pub *)(cfg->pub))->info, ndev);
BCM_REFERENCE(ifidx);
if (ifidx <= 0) {
ASSERT(0);
ret = BCME_ERROR;
goto exit;
}
}
if ((netinfo = wl_get_netinfo_by_wdev(cfg, ndev_to_wdev(ndev))) == NULL) {
WL_ERR(("Find netinfo from wdev %p failed\n", ndev_to_wdev(ndev)));
ret = -ENODEV;
goto exit;
}
wl_iftype = netinfo->iftype;
#ifdef WL_STATIC_IF
static_if = IS_CFG80211_STATIC_IF(cfg, ndev);
if (static_if) {
ret = wl_cfg80211_post_static_ifdel(cfg, ndev);
} else
#endif /* WL_STATIC_IF */
{
#ifdef WL_NAN
if (!((cfg->nancfg.mac_rand) && (wl_iftype == WL_IF_TYPE_NAN)))
#endif /* WL_NAN */
{
wl_release_vif_macaddr(cfg, ndev->dev_addr, wl_iftype);
}
WL_INFORM_MEM(("[%s] cfg80211_remove_if ifidx:%d, vif_count:%d\n",
ndev->name, ifidx, cfg->vif_count));
wl_cfg80211_remove_if(cfg, ifidx, ndev, rtnl_lock_reqd);
cfg->bss_pending_op = FALSE;
}
#ifdef SUPPORT_SET_CAC
wl_cfg80211_set_cac(cfg, 1);
#endif /* SUPPORT_SET_CAC */
exit:
return ret;
}
int
wl_cfg80211_deinit_p2p_discovery(struct bcm_cfg80211 *cfg)
{
s32 ret = BCME_OK;
bcm_struct_cfgdev *cfgdev;
if (cfg->p2p) {
/* De-initialize the p2p discovery interface, if operational */
WL_ERR(("Disabling P2P Discovery Interface \n"));
#ifdef WL_CFG80211_P2P_DEV_IF
cfgdev = bcmcfg_to_p2p_wdev(cfg);
#else
cfgdev = cfg->p2p_net;
#endif // endif
if (cfgdev) {
ret = wl_cfg80211_scan_stop(cfg, cfgdev);
if (unlikely(ret < 0)) {
CFGP2P_ERR(("P2P scan stop failed, ret=%d\n", ret));
}
}
wl_cfgp2p_disable_discovery(cfg);
wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE) = 0;
p2p_on(cfg) = false;
}
return ret;
}
/* Create a Generic Network Interface and initialize it depending up on
* the interface type
*/
struct wireless_dev *
wl_cfg80211_create_iface(struct wiphy *wiphy,
wl_iftype_t wl_iftype,
u8 *mac_addr, const char *name)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct net_device *new_ndev = NULL;
struct net_device *primary_ndev = NULL;
s32 ret = BCME_OK;
s32 bsscfg_idx = 0;
u32 timeout;
wl_if_event_info *event = NULL;
u8 addr[ETH_ALEN];
struct net_info *iter, *next;
WL_DBG(("Enter\n"));
if (!name) {
WL_ERR(("Interface name not provided\n"));
return NULL;
}
else {
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif // endif
for_each_ndev(cfg, iter, next) {
if (iter->ndev) {
if (strcmp(iter->ndev->name, name) == 0) {
WL_ERR(("Interface name, %s exists !\n", iter->ndev->name));
return NULL;
}
}
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic pop
#endif // endif
}
primary_ndev = bcmcfg_to_prmry_ndev(cfg);
if (likely(!mac_addr)) {
/* Use primary MAC with the locally administered bit for the
* Secondary STA I/F
*/
memcpy(addr, primary_ndev->dev_addr, ETH_ALEN);
addr[0] |= 0x02;
} else {
/* Use the application provided mac address (if any) */
memcpy(addr, mac_addr, ETH_ALEN);
}
cfg->bss_pending_op = TRUE;
memset(&cfg->if_event_info, 0, sizeof(cfg->if_event_info));
/* De-initialize the p2p discovery interface, if operational */
wl_cfg80211_deinit_p2p_discovery(cfg);
/*
* Intialize the firmware I/F.
*/
{
ret = wl_cfg80211_interface_ops(cfg, primary_ndev, bsscfg_idx,
wl_iftype, 0, addr);
}
if (ret == BCME_UNSUPPORTED) {
/* Use bssidx 1 by default */
bsscfg_idx = 1;
if ((ret = wl_cfg80211_add_del_bss(cfg, primary_ndev,
bsscfg_idx, wl_iftype, 0, addr)) < 0) {
goto exit;
}
} else if (ret < 0) {
WL_ERR(("Interface create failed!! ret:%d \n", ret));
goto exit;
} else {
/* Success */
bsscfg_idx = ret;
}
WL_DBG(("Interface created!! bssidx:%d \n", bsscfg_idx));
/*
* Wait till the firmware send a confirmation event back.
*/
WL_DBG(("Wait for the FW I/F Event\n"));
timeout = wait_event_interruptible_timeout(cfg->netif_change_event,
!cfg->bss_pending_op, msecs_to_jiffies(MAX_WAIT_TIME));
if (timeout <= 0 || cfg->bss_pending_op) {
WL_ERR(("ADD_IF event, didn't come. Return \n"));
goto exit;
}
event = &cfg->if_event_info;
/*
* Since FW operation is successful,we can go ahead with the
* the host interface creation.
*/
new_ndev = wl_cfg80211_post_ifcreate(primary_ndev,
event, addr, name, false);
if (new_ndev) {
/* Iface post ops successful. Return ndev/wdev ptr */
return new_ndev->ieee80211_ptr;
}
exit:
cfg->bss_pending_op = FALSE;
return NULL;
}
s32
wl_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct net_device *ndev = NULL;
s32 ret = BCME_OK;
s32 bsscfg_idx = 1;
u32 timeout;
u16 wl_iftype;
u16 wl_mode;
WL_DBG(("Enter\n"));
/* If any scan is going on, abort it */
if (wl_get_drv_status_all(cfg, SCANNING)) {
WL_DBG(("Scan in progress. Aborting the scan!\n"));
wl_notify_escan_complete(cfg, cfg->escan_info.ndev, true, true);
}
bsscfg_idx = wl_get_bssidx_by_wdev(cfg, wdev);
if (bsscfg_idx <= 0) {
/* validate bsscfgidx */
WL_ERR(("Wrong bssidx! \n"));
return -EINVAL;
}
/* Handle p2p iface */
if ((ret = wl_cfg80211_p2p_if_del(wiphy, wdev)) != BCME_NOTFOUND) {
WL_DBG(("P2P iface del handled \n"));
#ifdef SUPPORT_SET_CAC
wl_cfg80211_set_cac(cfg, 1);
#endif /* SUPPORT_SET_CAC */
return ret;
}
ndev = wdev->netdev;
if (unlikely(!ndev)) {
WL_ERR(("ndev null! \n"));
return -EINVAL;
}
memset(&cfg->if_event_info, 0, sizeof(cfg->if_event_info));
if (cfg80211_to_wl_iftype(ndev->ieee80211_ptr->iftype,
&wl_iftype, &wl_mode) < 0) {
return -EINVAL;
}
WL_DBG(("del interface. bssidx:%d cfg_iftype:%d wl_iftype:%d",
bsscfg_idx, ndev->ieee80211_ptr->iftype, wl_iftype));
/* Delete the firmware interface. "interface_remove" command
* should go on the interface to be deleted
*/
cfg->bss_pending_op = true;
ret = wl_cfg80211_interface_ops(cfg, ndev, bsscfg_idx,
wl_iftype, 1, NULL);
if (ret == BCME_UNSUPPORTED) {
if ((ret = wl_cfg80211_add_del_bss(cfg, ndev,
bsscfg_idx, wl_iftype, true, NULL)) < 0) {
WL_ERR(("DEL bss failed ret:%d \n", ret));
goto exit;
}
} else if ((ret == BCME_NOTAP) || (ret == BCME_NOTSTA)) {
/* De-init sequence involving role downgrade not happened.
* Do nothing and return error. The del command should be
* retried.
*/
WL_ERR(("ifdel role mismatch:%d\n", ret));
ret = -EBADTYPE;
goto exit;
} else if (ret < 0) {
WL_ERR(("Interface DEL failed ret:%d \n", ret));
goto exit;
}
timeout = wait_event_interruptible_timeout(cfg->netif_change_event,
!cfg->bss_pending_op, msecs_to_jiffies(MAX_WAIT_TIME));
if (timeout <= 0 || cfg->bss_pending_op) {
WL_ERR(("timeout in waiting IF_DEL event\n"));
/* The interface unregister will happen from wifi reset context */
ret = -ETIMEDOUT;
goto exit;
}
ret = wl_cfg80211_post_ifdel(ndev, false, cfg->if_event_info.ifidx);
if (unlikely(ret)) {
WL_ERR(("post_ifdel failed\n"));
}
exit:
cfg->bss_pending_op = false;
return ret;
}
static s32
wl_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_ibss_params *params)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct cfg80211_bss *bss;
struct ieee80211_channel *chan;
struct wl_join_params join_params;
int scan_suppress;
struct cfg80211_ssid ssid;
s32 scan_retry = 0;
s32 err = 0;
size_t join_params_size;
chanspec_t chanspec = 0;
u32 param[2] = {0, 0};
u32 bw_cap = 0;
WL_TRACE(("In\n"));
RETURN_EIO_IF_NOT_UP(cfg);
WL_INFORM_MEM(("IBSS JOIN BSSID:" MACDBG "\n", MAC2STRDBG(params->bssid)));
if (!params->ssid || params->ssid_len <= 0 ||
params->ssid_len > DOT11_MAX_SSID_LEN) {
WL_ERR(("Invalid parameter\n"));
return -EINVAL;
}
#if defined(WL_CFG80211_P2P_DEV_IF)
chan = params->chandef.chan;
#else
chan = params->channel;
#endif /* WL_CFG80211_P2P_DEV_IF */
if (chan)
cfg->channel = ieee80211_frequency_to_channel(chan->center_freq);
if (wl_get_drv_status(cfg, CONNECTED, dev)) {
struct wlc_ssid *lssid = (struct wlc_ssid *)wl_read_prof(cfg, dev, WL_PROF_SSID);
u8 *bssid = (u8 *)wl_read_prof(cfg, dev, WL_PROF_BSSID);
u32 *channel = (u32 *)wl_read_prof(cfg, dev, WL_PROF_CHAN);
if (!params->bssid || ((memcmp(params->bssid, bssid, ETHER_ADDR_LEN) == 0) &&
(memcmp(params->ssid, lssid->SSID, lssid->SSID_len) == 0) &&
(*channel == cfg->channel))) {
WL_ERR(("Connection already existed to " MACDBG "\n",
MAC2STRDBG((u8 *)wl_read_prof(cfg, dev, WL_PROF_BSSID))));
return -EISCONN;
}
WL_ERR(("Ignore Previous connecton to %s (" MACDBG ")\n",
lssid->SSID, MAC2STRDBG(bssid)));
}
/* remove the VSIE */
wl_cfg80211_ibss_vsie_delete(dev);
bss = cfg80211_get_ibss(wiphy, NULL, params->ssid, params->ssid_len);
if (!bss) {
if (IBSS_INITIAL_SCAN_ALLOWED == TRUE) {
memcpy(ssid.ssid, params->ssid, params->ssid_len);
ssid.ssid_len = params->ssid_len;
do {
if (unlikely
(__wl_cfg80211_scan(wiphy, dev, NULL, &ssid) ==
-EBUSY)) {
wl_delay(150);
} else {
break;
}
} while (++scan_retry < WL_SCAN_RETRY_MAX);
/* rtnl lock code is removed here. don't see why rtnl lock
* needs to be released.
*/
/* wait 4 secons till scan done.... */
schedule_timeout_interruptible(msecs_to_jiffies(4000));
bss = cfg80211_get_ibss(wiphy, NULL,
params->ssid, params->ssid_len);
}
}
if (bss && ((IBSS_COALESCE_ALLOWED == TRUE) ||
((IBSS_COALESCE_ALLOWED == FALSE) && params->bssid &&
!memcmp(bss->bssid, params->bssid, ETHER_ADDR_LEN)))) {
cfg->ibss_starter = false;
WL_DBG(("Found IBSS\n"));
} else {
cfg->ibss_starter = true;
}
if (bss) {
CFG80211_PUT_BSS(wiphy, bss);
}
if (chan) {
if (chan->band == IEEE80211_BAND_5GHZ)
param[0] = WLC_BAND_5G;
else if (chan->band == IEEE80211_BAND_2GHZ)
param[0] = WLC_BAND_2G;
err = wldev_iovar_getint(dev, "bw_cap", param);
if (unlikely(err)) {
WL_ERR(("Get bw_cap Failed (%d)\n", err));
return err;
}
bw_cap = param[0];
chanspec = channel_to_chanspec(wiphy, dev, cfg->channel, bw_cap);
}
/*
* Join with specific BSSID and cached SSID
* If SSID is zero join based on BSSID only
*/
memset(&join_params, 0, sizeof(join_params));
memcpy((void *)join_params.ssid.SSID, (const void *)params->ssid,
params->ssid_len);
join_params.ssid.SSID_len = htod32(params->ssid_len);
if (params->bssid) {
memcpy(&join_params.params.bssid, params->bssid, ETHER_ADDR_LEN);
err = wldev_ioctl_set(dev, WLC_SET_DESIRED_BSSID, &join_params.params.bssid,
ETHER_ADDR_LEN);
if (unlikely(err)) {
WL_ERR(("Error (%d)\n", err));
return err;
}
} else
memset(&join_params.params.bssid, 0, ETHER_ADDR_LEN);
if (IBSS_INITIAL_SCAN_ALLOWED == FALSE) {
scan_suppress = TRUE;
/* Set the SCAN SUPPRESS Flag in the firmware to skip join scan */
err = wldev_ioctl_set(dev, WLC_SET_SCANSUPPRESS,
&scan_suppress, sizeof(int));
if (unlikely(err)) {
WL_ERR(("Scan Suppress Setting Failed (%d)\n", err));
return err;
}
}
join_params.params.chanspec_list[0] = chanspec;
join_params.params.chanspec_num = 1;
wldev_iovar_setint(dev, "chanspec", chanspec);
join_params_size = sizeof(join_params);
/* Disable Authentication, IBSS will add key if it required */
wldev_iovar_setint(dev, "wpa_auth", WPA_AUTH_DISABLED);
wldev_iovar_setint(dev, "wsec", 0);
err = wldev_ioctl_set(dev, WLC_SET_SSID, &join_params,
join_params_size);
if (unlikely(err)) {
WL_ERR(("IBSS set_ssid Error (%d)\n", err));
return err;
}
if (IBSS_INITIAL_SCAN_ALLOWED == FALSE) {
scan_suppress = FALSE;
/* Reset the SCAN SUPPRESS Flag */
err = wldev_ioctl_set(dev, WLC_SET_SCANSUPPRESS,
&scan_suppress, sizeof(int));
if (unlikely(err)) {
WL_ERR(("Reset Scan Suppress Flag Failed (%d)\n", err));
return err;
}
}
wl_update_prof(cfg, dev, NULL, &join_params.ssid, WL_PROF_SSID);
wl_update_prof(cfg, dev, NULL, &cfg->channel, WL_PROF_CHAN);
#ifdef WL_RELMCAST
cfg->rmc_event_seq = 0; /* initialize rmcfail sequence */
#endif /* WL_RELMCAST */
return err;
}
static s32 wl_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
s32 err = 0;
scb_val_t scbval;
u8 *curbssid;
RETURN_EIO_IF_NOT_UP(cfg);
wl_link_down(cfg);
WL_INFORM_MEM(("Leave IBSS\n"));
curbssid = wl_read_prof(cfg, dev, WL_PROF_BSSID);
wl_set_drv_status(cfg, DISCONNECTING, dev);
scbval.val = 0;
memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN);
err = wldev_ioctl_set(dev, WLC_DISASSOC, &scbval,
sizeof(scb_val_t));
if (unlikely(err)) {
wl_clr_drv_status(cfg, DISCONNECTING, dev);
WL_ERR(("error(%d)\n", err));
return err;
}
/* remove the VSIE */
wl_cfg80211_ibss_vsie_delete(dev);
return err;
}
#ifdef MFP
static
int wl_cfg80211_get_rsn_capa(const bcm_tlv_t *wpa2ie,
const u8** rsn_cap)
{
u16 suite_count;
const wpa_suite_mcast_t *mcast;
const wpa_suite_ucast_t *ucast;
int len;
const wpa_suite_auth_key_mgmt_t *mgmt;
if (!wpa2ie)
return BCME_BADARG;
len = wpa2ie->len;
/* check for Multicast cipher suite */
if ((len -= (WPA_SUITE_LEN + WPA2_VERSION_LEN)) <= 0) {
return BCME_NOTFOUND;
}
mcast = (const wpa_suite_mcast_t *)&wpa2ie->data[WPA2_VERSION_LEN];
/* Check for the unicast suite(s) */
if (len < WPA_IE_SUITE_COUNT_LEN) {
return BCME_NOTFOUND;
}
ucast = (const wpa_suite_ucast_t *)&mcast[1];
suite_count = ltoh16_ua(&ucast->count);
if ((suite_count > NL80211_MAX_NR_CIPHER_SUITES) ||
(len -= (WPA_IE_SUITE_COUNT_LEN +
(WPA_SUITE_LEN * suite_count))) <= 0)
return BCME_BADLEN;
/* Check for AUTH key management suite(s) */
if (len < WPA_IE_SUITE_COUNT_LEN) {
return BCME_NOTFOUND;
}
mgmt = (const wpa_suite_auth_key_mgmt_t *)&ucast->list[suite_count];
suite_count = ltoh16_ua(&mgmt->count);
if ((suite_count <= NL80211_MAX_NR_CIPHER_SUITES) &&
(len -= (WPA_IE_SUITE_COUNT_LEN +
(WPA_SUITE_LEN * suite_count))) >= RSN_CAP_LEN) {
rsn_cap[0] = (const u8 *)&mgmt->list[suite_count];
} else {
return BCME_BADLEN;
}
return BCME_OK;
}
#endif /* MFP */
static s32
wl_set_wpa_version(struct net_device *dev, struct cfg80211_connect_params *sme)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
struct wl_security *sec;
s32 val = 0;
s32 err = 0;
s32 bssidx;
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
return BCME_ERROR;
}
if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
val = WPA_AUTH_PSK |
#ifdef BCMCCX
WPA_AUTH_CCKM |
#endif // endif
WPA_AUTH_UNSPECIFIED;
else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
val = WPA2_AUTH_PSK|
#ifdef BCMCCX
WPA2_AUTH_CCKM |
#endif // endif
WPA2_AUTH_UNSPECIFIED;
else
val = WPA_AUTH_DISABLED;
if (is_wps_conn(sme))
val = WPA_AUTH_DISABLED;
#ifdef BCMWAPI_WPI
if (sme->crypto.wpa_versions & NL80211_WAPI_VERSION_1) {
WL_DBG((" * wl_set_wpa_version, set wpa_auth"
" to WPA_AUTH_WAPI 0x400"));
val = WAPI_AUTH_PSK | WAPI_AUTH_UNSPECIFIED;
}
#endif // endif
WL_INFORM_MEM(("[%s] wl wpa_auth 0x%0x\n", dev->name, val));
err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", val, bssidx);
if (unlikely(err)) {
WL_ERR(("set wpa_auth failed (%d)\n", err));
return err;
}
sec = wl_read_prof(cfg, dev, WL_PROF_SEC);
sec->wpa_versions = sme->crypto.wpa_versions;
return err;
}
#ifdef BCMWAPI_WPI
static s32
wl_set_set_wapi_ie(struct net_device *dev, struct cfg80211_connect_params *sme)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
s32 err = 0;
s32 bssidx;
WL_DBG((" %s \n", __FUNCTION__));
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
return BCME_ERROR;
}
err = wldev_iovar_setbuf_bsscfg(dev, "wapiie", (const void *)sme->ie, sme->ie_len,
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
if (unlikely(err)) {
WL_ERR(("set_wapi_ie Error (%d)\n", err));
return err;
}
WL_INFORM_MEM(("wapi_ie successfully (%s)\n", dev->name));
return err;
}
#endif /* BCMWAPI_WPI */
static s32
wl_set_auth_type(struct net_device *dev, struct cfg80211_connect_params *sme)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
struct wl_security *sec;
s32 val = 0;
s32 err = 0;
s32 bssidx;
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
return BCME_ERROR;
}
switch (sme->auth_type) {
case NL80211_AUTHTYPE_OPEN_SYSTEM:
val = WL_AUTH_OPEN_SYSTEM;
WL_DBG(("open system\n"));
break;
case NL80211_AUTHTYPE_SHARED_KEY:
val = WL_AUTH_SHARED_KEY;
WL_DBG(("shared key\n"));
break;
case NL80211_AUTHTYPE_AUTOMATIC:
val = WL_AUTH_OPEN_SHARED;
WL_DBG(("automatic\n"));
break;
#ifdef BCMCCX
case NL80211_AUTHTYPE_NETWORK_EAP:
WL_DBG(("network eap\n"));
val = DOT11_LEAP_AUTH;
break;
#endif // endif
#ifdef WL_FILS
case NL80211_AUTHTYPE_FILS_SK:
WL_DBG(("fils shared key\n"));
val = WL_AUTH_FILS_SHARED;
break;
case NL80211_AUTHTYPE_FILS_SK_PFS:
val = WL_AUTH_FILS_SHARED_PFS;
WL_DBG(("fils shared key with pfs\n"));
break;
case NL80211_AUTHTYPE_FILS_PK:
WL_DBG(("fils public key\n"));
val = WL_AUTH_FILS_PUBLIC;
break;
#endif /* WL_FILS */
default:
val = 2;
WL_ERR(("invalid auth type (%d)\n", sme->auth_type));
break;
}
WL_INFORM_MEM(("[%s] wl auth 0x%0x \n", dev->name, val));
err = wldev_iovar_setint_bsscfg(dev, "auth", val, bssidx);
if (unlikely(err)) {
WL_ERR(("set auth failed (%d)\n", err));
return err;
}
sec = wl_read_prof(cfg, dev, WL_PROF_SEC);
sec->auth_type = sme->auth_type;
return err;
}
static s32
wl_set_set_cipher(struct net_device *dev, struct cfg80211_connect_params *sme)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
struct wl_security *sec;
s32 pval = 0;
s32 gval = 0;
s32 err = 0;
s32 wsec_val = 0;
#ifdef BCMWAPI_WPI
s32 wapi_val = 0;
s32 val = 0;
#endif // endif
s32 bssidx;
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
return BCME_ERROR;
}
if (sme->crypto.n_ciphers_pairwise) {
switch (sme->crypto.ciphers_pairwise[0]) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
pval = WEP_ENABLED;
break;
case WLAN_CIPHER_SUITE_TKIP:
pval = TKIP_ENABLED;
break;
case WLAN_CIPHER_SUITE_CCMP:
case WLAN_CIPHER_SUITE_AES_CMAC:
pval = AES_ENABLED;
break;
#ifdef BCMWAPI_WPI
case WLAN_CIPHER_SUITE_SMS4:
val = SMS4_ENABLED;
pval = SMS4_ENABLED;
err = wl_set_set_wapi_ie(dev, sme);
if (unlikely(err)) {
WL_DBG(("Set wapi ie failed \n"));
return err;
} else {
WL_DBG(("Set wapi ie succeded\n"));
}
wapi_val = WAPI_AUTH_PSK | WAPI_AUTH_UNSPECIFIED;
WL_INFORM_MEM(("[WAPI] wl wpa_auth to 0x%0x (%s)\n", val, dev->name));
err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wapi_val, bssidx);
if (unlikely(err)) {
WL_ERR(("set wpa_auth failed (%d)\n", err));
return err;
}
break;
#endif /* BCMWAPI_WPI */
default:
WL_ERR(("invalid cipher pairwise (%d)\n",
sme->crypto.ciphers_pairwise[0]));
return -EINVAL;
}
}
#if defined(BCMSUP_4WAY_HANDSHAKE)
/* Ensure in-dongle supplicant is turned on when FBT wants to do the 4-way
* handshake.
* Note that the FW feature flag only exists on kernels that support the
* FT-EAP AKM suite.
*/
if (cfg->wdev->wiphy->features & NL80211_FEATURE_FW_4WAY_HANDSHAKE) {
err = wldev_iovar_setint_bsscfg(dev, "sup_wpa", 1, bssidx);
if (err) {
WL_ERR(("FBT: Error setting sup_wpa (%d)\n", err));
return err;
} else {
WL_INFORM_MEM(("idsup enabled.\n"));
}
}
#endif /* BCMSUP_4WAY_HANDSHAKE */
if (sme->crypto.cipher_group) {
switch (sme->crypto.cipher_group) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
gval = WEP_ENABLED;
break;
case WLAN_CIPHER_SUITE_TKIP:
gval = TKIP_ENABLED;
break;
case WLAN_CIPHER_SUITE_CCMP:
gval = AES_ENABLED;
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
gval = AES_ENABLED;
break;
#ifdef BCMWAPI_WPI
case WLAN_CIPHER_SUITE_SMS4:
val = SMS4_ENABLED;
gval = SMS4_ENABLED;
break;
#endif // endif
default:
WL_ERR(("invalid cipher group (%d)\n",
sme->crypto.cipher_group));
return -EINVAL;
}
}
WL_DBG(("pval (%d) gval (%d)\n", pval, gval));
if (is_wps_conn(sme)) {
if (sme->privacy) {
wsec_val = 4;
} else {
/* WPS-2.0 allows no security */
wsec_val = 0;
}
} else {
#ifdef BCMWAPI_WPI
if (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_SMS4) {
WL_DBG((" NO, is_wps_conn, WAPI set to SMS4_ENABLED"));
wsec_val = val;
} else
#endif // endif
{
WL_DBG((" NO, is_wps_conn, Set pval | gval to WSEC"));
wsec_val = pval | gval;
}
}
WL_INFORM_MEM(("[%s] wl wsec 0x%x\n", dev->name, wsec_val));
err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec_val, bssidx);
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
return err;
}
sec = wl_read_prof(cfg, dev, WL_PROF_SEC);
sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
sec->cipher_group = sme->crypto.cipher_group;
return err;
}
#ifdef MFP
static s32
wl_cfg80211_set_mfp(struct bcm_cfg80211 *cfg,
struct net_device *dev,
struct cfg80211_connect_params *sme)
{
s32 mfp = WL_MFP_NONE;
s32 current_mfp = WL_MFP_NONE;
const bcm_tlv_t *wpa2_ie;
const u8* rsn_cap = NULL;
bool fw_support = false;
int err, count = 0;
const u8 *eptr = NULL, *ptr = NULL;
const u8* group_mgmt_cs = NULL;
const wpa_pmkid_list_t* pmkid = NULL;
if (!sme) {
/* No connection params from userspace, Do nothing. */
return 0;
}
/* Check fw support and retreive current mfp val */
err = wldev_iovar_getint(dev, "mfp", &current_mfp);
if (!err) {
fw_support = true;
}
/* Parse the wpa2ie to decode the MFP capablity */
if (((wpa2_ie = bcm_parse_tlvs((const u8 *)sme->ie, sme->ie_len,
DOT11_MNG_RSN_ID)) != NULL) &&
(wl_cfg80211_get_rsn_capa(wpa2_ie, &rsn_cap) == 0) && rsn_cap) {
WL_DBG(("rsn_cap 0x%x%x\n", rsn_cap[0], rsn_cap[1]));
/* Check for MFP cap in the RSN capability field */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0))
if (sme->mfp) {
#endif
if (rsn_cap[0] & RSN_CAP_MFPR) {
mfp = WL_MFP_REQUIRED;
} else if (rsn_cap[0] & RSN_CAP_MFPC) {
mfp = WL_MFP_CAPABLE;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0))
}
#endif
/*
* eptr --> end/last byte addr of wpa2_ie
* ptr --> to keep track of current/required byte addr
*/
eptr = (const u8*)wpa2_ie + (wpa2_ie->len + TLV_HDR_LEN);
/* pointing ptr to the next byte after rns_cap */
ptr = (const u8*)rsn_cap + RSN_CAP_LEN;
if (mfp && (eptr - ptr) >= WPA2_PMKID_COUNT_LEN) {
/* pmkid now to point to 1st byte addr of pmkid in wpa2_ie */
pmkid = (const wpa_pmkid_list_t*)ptr;
count = pmkid->count.low | (pmkid->count.high << 8);
/* ptr now to point to last byte addr of pmkid */
ptr = (const u8*)pmkid + (count * WPA2_PMKID_LEN
+ WPA2_PMKID_COUNT_LEN);
if ((eptr - ptr) >= WPA_SUITE_LEN) {
/* group_mgmt_cs now to point to first byte addr of bip */
group_mgmt_cs = ptr;
}
}
}
WL_DBG(("mfp:%d wpa2_ie ptr:%p mfp fw_support:%d\n",
mfp, wpa2_ie, fw_support));
if (fw_support == false) {
if (mfp == WL_MFP_REQUIRED) {
/* if mfp > 0, mfp capability set in wpa ie, but
* FW indicated error for mfp. Propagate the error up.
*/
WL_ERR(("mfp capability found in wpaie. But fw doesn't "
"seem to support MFP\n"));
err = -EINVAL;
goto exit;
} else {
/* Firmware doesn't support mfp. But since connection request
* is for non-mfp case, don't bother.
*/
err = BCME_OK;
goto exit;
}
} else if (mfp != current_mfp) {
err = wldev_iovar_setint(dev, "mfp", mfp);
if (unlikely(err)) {
WL_ERR(("mfp (%d) set failed ret:%d \n", mfp, err));
goto exit;
}
WL_INFORM_MEM(("[%s] wl mfp 0x%x\n", dev->name, mfp));
}
if (group_mgmt_cs && bcmp((const uint8 *)WPA2_OUI,
group_mgmt_cs, (WPA_SUITE_LEN - 1)) == 0) {
WL_DBG(("BIP is found\n"));
err = wldev_iovar_setbuf(dev, "bip",
group_mgmt_cs, WPA_SUITE_LEN, cfg->ioctl_buf,
WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync);
/*
* Dont return failure for unsupported cases
* of bip iovar for backward compatibility
*/
if (err != BCME_UNSUPPORTED && err < 0) {
WL_ERR(("bip set error (%d)\n", err));
{
goto exit;
}
} else {
WL_INFORM_MEM(("[%s] wl bip %02X:%02X:%02X\n",
dev->name, group_mgmt_cs[0], group_mgmt_cs[1],
group_mgmt_cs[2]));
}
}
exit:
if (err) {
wl_flush_fw_log_buffer(bcmcfg_to_prmry_ndev(cfg),
FW_LOGSET_MASK_ALL);
}
return 0;
}
#endif /* MFP */
#ifdef WL_FILS
static bool
wl_is_fils_supported(struct net_device *ndev)
{
s32 err;
u8 ioctl_buf[WLC_IOCTL_SMLEN] = {0};
bcm_iov_buf_t *iov_buf = (bcm_iov_buf_t *)ioctl_buf;
iov_buf->version = WL_FILS_IOV_VERSION;
err = wldev_iovar_getbuf(ndev, "fils", (uint8*)iov_buf, sizeof(bcm_iov_buf_t),
iov_buf, WLC_IOCTL_SMLEN, NULL);
if (err == BCME_UNSUPPORTED) {
WL_DBG(("FILS NOT supported\n"));
return false;
}
WL_INFORM(("FILS supported\n"));
return true;
}
#define WL_NUM_OF_TLV_IN_SET_FILS_PARAMS 4u
static s32
wl_set_fils_params(struct net_device *dev, struct cfg80211_connect_params *sme)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
bcm_iov_buf_t *iov_buf = NULL;
bcm_xtlvbuf_t tbuf;
s32 err = BCME_OK;
uint32 buf_size;
if ((sme->auth_type != NL80211_AUTHTYPE_FILS_SK) &&
(sme->auth_type != NL80211_AUTHTYPE_FILS_SK_PFS) &&
(sme->auth_type != NL80211_AUTHTYPE_FILS_PK)) {
return BCME_OK;
}
if (sme->fils_erp_rrk_len > WL_MAX_FILS_KEY_LEN) {
WL_ERR(("%s: FILS rRK exceed allowed size\n", __FUNCTION__));
err = BCME_BADARG;
goto exit;
}
/* Check incoming buffer length */
buf_size = sme->fils_erp_username_len + sme->fils_erp_realm_len + sme->fils_erp_rrk_len +
sizeof(sme->fils_erp_next_seq_num) +
WL_NUM_OF_TLV_IN_SET_FILS_PARAMS * BCM_XTLV_HDR_SIZE_EX(BCM_XTLV_OPTION_ALIGN32) +
sizeof(bcm_iov_buf_t) - 1u;
if (buf_size > WLC_IOCTL_SMLEN) {
WL_ERR(("%s: FILS connect params arguments exceed allowed size\n", __FUNCTION__));
err = BCME_BADARG;
goto exit;
}
iov_buf = MALLOCZ(cfg->osh, WLC_IOCTL_SMLEN);
if (!iov_buf) {
WL_ERR(("%s: iov_buf alloc failed! %d bytes\n", __FUNCTION__, WLC_IOCTL_SMLEN));
err = BCME_NOMEM;
goto exit;
}
iov_buf->version = WL_FILS_IOV_VERSION;
iov_buf->id = WL_FILS_CMD_ADD_CONNECT_PARAMS;
/* check if this should be len w/o headers */
err = bcm_xtlv_buf_init(&tbuf, (uint8*)&iov_buf->data[0],
WLC_IOCTL_SMLEN - sizeof(bcm_iov_buf_t) + sizeof(uint16),
BCM_XTLV_OPTION_ALIGN32);
if (err != BCME_OK) {
WL_ERR(("%s: xtlv_context initialization failed\n", __FUNCTION__));
goto exit;
}
if (sme->fils_erp_username_len && sme->fils_erp_username != NULL) {
err = bcm_xtlv_put_data(&tbuf, WL_FILS_XTLV_ERP_USERNAME,
sme->fils_erp_username, sme->fils_erp_username_len);
if (err != BCME_OK) {
WL_ERR(("%s: write xtlv failed\n", __FUNCTION__));
goto exit;
}
}
if (sme->fils_erp_realm_len && sme->fils_erp_realm != NULL) {
err = bcm_xtlv_put_data(&tbuf, WL_FILS_XTLV_ERP_REALM,
sme->fils_erp_realm, sme->fils_erp_realm_len);
if (err != BCME_OK) {
WL_ERR(("%s: write xtlv failed\n", __FUNCTION__));
goto exit;
}
}
if (sme->fils_erp_rrk_len && sme->fils_erp_rrk != NULL) {
err = bcm_xtlv_put_data(&tbuf, WL_FILS_XTLV_ERP_RRK,
sme->fils_erp_rrk, sme->fils_erp_rrk_len);
if (err != BCME_OK) {
WL_ERR(("%s: write xtlv failed\n", __FUNCTION__));
goto exit;
}
}
err = bcm_xtlv_put_data(&tbuf, WL_FILS_XTLV_ERP_NEXT_SEQ_NUM,
(u8 *)&sme->fils_erp_next_seq_num, sizeof(sme->fils_erp_next_seq_num));
if (err != BCME_OK) {
WL_ERR(("%s: write xtlv failed\n", __FUNCTION__));
goto exit;
}
iov_buf->len = bcm_xtlv_buf_len(&tbuf);
err = wldev_iovar_setbuf(dev, "fils", iov_buf, iov_buf->len + sizeof(bcm_iov_buf_t) -
sizeof(uint16), cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync);
if (unlikely(err)) {
WL_ERR(("set fils params ioctl error (%d)\n", err));
goto exit;
}
exit:
if (err != BCME_OK) {
WL_ERR(("set FILS params error %d\n", err));
}
else {
WL_INFORM_MEM(("FILS parameters succesfully applied\n"));
}
if (iov_buf) {
MFREE(cfg->osh, iov_buf, WLC_IOCTL_SMLEN);
}
return err;
}
#if !defined(WL_FILS_ROAM_OFFLD) && defined(WL_FILS)
static s32
wl_get_bcn_timeout(struct net_device *dev, u32 *bcn_timeout)
{
s32 err = 0;
err = wldev_iovar_getint(dev, "bcn_timeout", bcn_timeout);
if (unlikely(err)) {
WL_ERR(("could not get bcn_timeout (%d)\n", err));
}
return err;
}
#define WL_ROAM_ENABLE 0
#define WL_ROAM_DISABLE 1
/* Beacon Timeout beacon loss in case FILS roaming offload is not supported by fw */
#define WL_BCN_TIMEOUT 3
static s32
wl_fils_toggle_roaming(struct net_device *dev, u32 auth_type)
{
s32 err = 0;
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
if (WPA2_AUTH_IS_FILS(auth_type) && !cfg->fils_info.fils_roam_disabled) {
err = wl_get_bcn_timeout(dev, &cfg->fils_info.fils_bcn_timeout_cache);
if (unlikely(err)) {
return err;
}
wl_dongle_roam(dev, WL_ROAM_DISABLE, WL_BCN_TIMEOUT);
cfg->fils_info.fils_roam_disabled = true;
WL_INFORM_MEM(("fw roam disabled for FILS akm\n"));
} else if (cfg->fils_info.fils_roam_disabled) {
/* Enable roaming back for other auth types */
wl_dongle_roam(dev, WL_ROAM_ENABLE, cfg->fils_info.fils_bcn_timeout_cache);
cfg->fils_info.fils_roam_disabled = false;
WL_INFORM_MEM(("fw roam enabled\n"));
}
return err;
}
#endif /* !WL_FILS_ROAM_OFFLD && WL_FILS */
#endif /* WL_FILS */
static s32
wl_set_key_mgmt(struct net_device *dev, struct cfg80211_connect_params *sme)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
struct wl_security *sec;
s32 val = 0;
s32 err = 0;
s32 bssidx;
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
return BCME_ERROR;
}
if (sme->crypto.n_akm_suites) {
err = wldev_iovar_getint(dev, "wpa_auth", &val);
if (unlikely(err)) {
WL_ERR(("could not get wpa_auth (%d)\n", err));
return err;
}
if (val & (WPA_AUTH_PSK |
#ifdef BCMCCX
WPA_AUTH_CCKM |
#endif // endif
WPA_AUTH_UNSPECIFIED)) {
switch (sme->crypto.akm_suites[0]) {
case WLAN_AKM_SUITE_8021X:
val = WPA_AUTH_UNSPECIFIED;
break;
case WLAN_AKM_SUITE_PSK:
val = WPA_AUTH_PSK;
break;
#ifdef BCMCCX
case WLAN_AKM_SUITE_CCKM:
val = WPA_AUTH_CCKM;
break;
#endif // endif
default:
WL_ERR(("invalid akm suite (0x%x)\n",
sme->crypto.akm_suites[0]));
return -EINVAL;
}
} else if (val & (WPA2_AUTH_PSK |
#ifdef BCMCCX
WPA2_AUTH_CCKM |
#endif // endif
WPA2_AUTH_UNSPECIFIED)) {
switch (sme->crypto.akm_suites[0]) {
case WLAN_AKM_SUITE_8021X:
val = WPA2_AUTH_UNSPECIFIED;
break;
#ifdef MFP
case WL_AKM_SUITE_SHA256_1X:
val = WPA2_AUTH_1X_SHA256;
break;
case WL_AKM_SUITE_SHA256_PSK:
val = WPA2_AUTH_PSK_SHA256;
break;
#endif /* MFP */
case WLAN_AKM_SUITE_PSK:
val = WPA2_AUTH_PSK;
break;
#if defined(WLFBT) && defined(WLAN_AKM_SUITE_FT_8021X)
case WLAN_AKM_SUITE_FT_8021X:
val = WPA2_AUTH_UNSPECIFIED | WPA2_AUTH_FT;
break;
#endif // endif
#if defined(WLFBT) && defined(WLAN_AKM_SUITE_FT_PSK)
case WLAN_AKM_SUITE_FT_PSK:
val = WPA2_AUTH_PSK | WPA2_AUTH_FT;
break;
#endif // endif
#ifdef BCMCCX
case WLAN_AKM_SUITE_CCKM:
val = WPA2_AUTH_CCKM;
break;
#endif // endif
#ifdef WL_FILS
case WLAN_AKM_SUITE_FILS_SHA256:
val = WPA2_AUTH_FILS_SHA256;
break;
case WLAN_AKM_SUITE_FILS_SHA384:
val = WPA2_AUTH_FILS_SHA384;
break;
#endif /* WL_FILS */
#ifdef WL_SAE
case WLAN_AKM_SUITE_SAE:
val = WPA3_AUTH_SAE_PSK;
break;
#endif /* WL_SAE */
default:
WL_ERR(("invalid akm suite (0x%x)\n",
sme->crypto.akm_suites[0]));
return -EINVAL;
}
}
#ifdef BCMWAPI_WPI
else if (val & (WAPI_AUTH_PSK | WAPI_AUTH_UNSPECIFIED)) {
switch (sme->crypto.akm_suites[0]) {
case WLAN_AKM_SUITE_WAPI_CERT:
val = WAPI_AUTH_UNSPECIFIED;
break;
case WLAN_AKM_SUITE_WAPI_PSK:
val = WAPI_AUTH_PSK;
break;
default:
WL_ERR(("invalid akm suite (0x%x)\n",
sme->crypto.akm_suites[0]));
return -EINVAL;
}
}
#endif // endif
#ifdef WL_FILS
#if !defined(WL_FILS_ROAM_OFFLD)
err = wl_fils_toggle_roaming(dev, val);
if (unlikely(err)) {
return err;
}
#endif /* !WL_FILS_ROAM_OFFLD */
#endif /* !WL_FILS */
#ifdef MFP
if ((err = wl_cfg80211_set_mfp(cfg, dev, sme)) < 0) {
WL_ERR(("MFP set failed err:%d\n", err));
return -EINVAL;
}
#endif /* MFP */
WL_INFORM_MEM(("[%s] wl wpa_auth to 0x%x\n", dev->name, val));
err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", val, bssidx);
if (unlikely(err)) {
WL_ERR(("could not set wpa_auth (0x%x)\n", err));
return err;
}
}
sec = wl_read_prof(cfg, dev, WL_PROF_SEC);
sec->wpa_auth = sme->crypto.akm_suites[0];
return err;
}
static s32
wl_set_set_sharedkey(struct net_device *dev,
struct cfg80211_connect_params *sme)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
struct wl_security *sec;
struct wl_wsec_key key;
s32 val;
s32 err = 0;
s32 bssidx;
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
return BCME_ERROR;
}
WL_DBG(("key len (%d)\n", sme->key_len));
if (sme->key_len) {
sec = wl_read_prof(cfg, dev, WL_PROF_SEC);
WL_DBG(("wpa_versions 0x%x cipher_pairwise 0x%x\n",
sec->wpa_versions, sec->cipher_pairwise));
if (!(sec->wpa_versions & (NL80211_WPA_VERSION_1 |
NL80211_WPA_VERSION_2)) &&
#ifdef BCMWAPI_WPI
!is_wapi(sec->cipher_pairwise) &&
#endif // endif
(sec->cipher_pairwise & (WLAN_CIPHER_SUITE_WEP40 |
WLAN_CIPHER_SUITE_WEP104)))
{
memset(&key, 0, sizeof(key));
key.len = (u32) sme->key_len;
key.index = (u32) sme->key_idx;
if (unlikely(key.len > sizeof(key.data))) {
WL_ERR(("Too long key length (%u)\n", key.len));
return -EINVAL;
}
memcpy(key.data, sme->key, key.len);
key.flags = WL_PRIMARY_KEY;
switch (sec->cipher_pairwise) {
case WLAN_CIPHER_SUITE_WEP40:
key.algo = CRYPTO_ALGO_WEP1;
break;
case WLAN_CIPHER_SUITE_WEP104:
key.algo = CRYPTO_ALGO_WEP128;
break;
default:
WL_ERR(("Invalid algorithm (%d)\n",
sme->crypto.ciphers_pairwise[0]));
return -EINVAL;
}
/* Set the new key/index */
WL_DBG(("key length (%d) key index (%d) algo (%d)\n",
key.len, key.index, key.algo));
WL_DBG(("key \"%s\"\n", key.data));
swap_key_from_BE(&key);
err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key),
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
if (unlikely(err)) {
WL_ERR(("WLC_SET_KEY error (%d)\n", err));
return err;
}
WL_INFORM_MEM(("key applied to fw\n"));
if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
WL_DBG(("set auth_type to shared key\n"));
val = WL_AUTH_SHARED_KEY; /* shared key */
err = wldev_iovar_setint_bsscfg(dev, "auth", val, bssidx);
if (unlikely(err)) {
WL_ERR(("set auth failed (%d)\n", err));
return err;
}
}
}
}
return err;
}
#if defined(ESCAN_RESULT_PATCH)
static u8 connect_req_bssid[6];
static u8 broad_bssid[6];
#endif /* ESCAN_RESULT_PATCH */
#if defined(CUSTOM_SET_CPUCORE) || defined(CONFIG_TCPACK_FASTTX)
static bool wl_get_chan_isvht80(struct net_device *net, dhd_pub_t *dhd)
{
u32 chanspec = 0;
bool isvht80 = 0;
if (wldev_iovar_getint(net, "chanspec", (s32 *)&chanspec) == BCME_OK)
chanspec = wl_chspec_driver_to_host(chanspec);
isvht80 = chanspec & WL_CHANSPEC_BW_80;
WL_DBG(("%s: chanspec(%x:%d)\n", __FUNCTION__, chanspec, isvht80));
return isvht80;
}
#endif /* CUSTOM_SET_CPUCORE || CONFIG_TCPACK_FASTTX */
int wl_cfg80211_cleanup_mismatch_status(struct net_device *dev, struct bcm_cfg80211 *cfg,
bool disassociate)
{
scb_val_t scbval;
int err = TRUE;
int wait_cnt;
if (disassociate) {
WL_ERR(("Disassociate previous connection!\n"));
wl_set_drv_status(cfg, DISCONNECTING, dev);
scbval.val = DOT11_RC_DISASSOC_LEAVING;
scbval.val = htod32(scbval.val);
err = wldev_ioctl_set(dev, WLC_DISASSOC, &scbval,
sizeof(scb_val_t));
if (unlikely(err)) {
wl_clr_drv_status(cfg, DISCONNECTING, dev);
WL_ERR(("error (%d)\n", err));
return err;
}
wait_cnt = 500/10;
} else {
wait_cnt = 200/10;
WL_ERR(("Waiting for previous DISCONNECTING status!\n"));
if (wl_get_drv_status(cfg, DISCONNECTING, dev)) {
wl_clr_drv_status(cfg, DISCONNECTING, dev);
}
}
while (wl_get_drv_status(cfg, DISCONNECTING, dev) && wait_cnt) {
WL_DBG(("Waiting for disconnection terminated, wait_cnt: %d\n",
wait_cnt));
wait_cnt--;
OSL_SLEEP(10);
}
if (wait_cnt == 0) {
WL_ERR(("DISCONNECING clean up failed!\n"));
/* Clear DISCONNECTING driver status as we have made sufficient attempts
* for driver clean up.
*/
wl_clr_drv_status(cfg, DISCONNECTING, dev);
return BCME_NOTREADY;
}
return BCME_OK;
}
#ifdef WL_FILS
static int
wl_fils_add_hlp_container(struct bcm_cfg80211 *cfg, struct net_device *dev,
const uint8* ie_buf, uint16 ie_len)
{
const bcm_tlv_ext_t *hlp_ie;
if ((hlp_ie = (const bcm_tlv_ext_t*)bcm_parse_tlvs_dot11((const uint8 *)ie_buf, ie_len,
FILS_HLP_CONTAINER_EXT_ID, TRUE))) {
u16 hlp_len = hlp_ie->len;
u16 left_len = (ie_len - ((const uint8*)hlp_ie - ie_buf));
bcm_iov_buf_t *iov_buf = 0;
uint8* pxtlv;
int err;
size_t iov_buf_len;
bcm_tlv_dot11_frag_tot_len(ie_buf, ie_len, FILS_HLP_CONTAINER_EXT_ID,
TRUE, (uint*)&hlp_len);
hlp_len += BCM_TLV_EXT_HDR_SIZE;
if ((hlp_len > DOT11_MAX_MPDU_BODY_LEN) || (hlp_len > left_len)) {
WL_ERR(("bad HLP length %d\n", hlp_len));
return EFAULT;
}
iov_buf_len = sizeof(bcm_iov_buf_t) + sizeof(bcm_xtlv_t) - 1 + hlp_len;
iov_buf = MALLOCZ(cfg->osh, iov_buf_len);
if (iov_buf == NULL) {
WL_ERR(("failed to allocated iov_buf\n"));
return ENOMEM;
}
prhex("HLP, HLP", (const uchar *)hlp_ie, hlp_len);
pxtlv = (uint8 *)&iov_buf->data[0];
((bcm_xtlv_t*)pxtlv)->id = WL_FILS_XTLV_HLP_IE;
((bcm_xtlv_t*)pxtlv)->len = hlp_len;
memcpy(((bcm_xtlv_t*)pxtlv)->data, hlp_ie, ((bcm_xtlv_t*)pxtlv)->len);
iov_buf->version = WL_FILS_IOV_VERSION;
iov_buf->id = WL_FILS_CMD_ADD_HLP_IE;
iov_buf->len = ((sizeof(bcm_xtlv_t)-1) + ((bcm_xtlv_t*)pxtlv)->len);
err = wldev_iovar_setbuf(dev, "fils", iov_buf,
sizeof(bcm_iov_buf_t) + iov_buf->len,
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
if (unlikely(err)) {
WL_ERR(("fils wldev_iovar_setbuf error (%d)\n", err));
}
else {
WL_INFORM_MEM(("FILS HLP Packet succesfully updated\n"));
}
MFREE(cfg->osh, iov_buf, iov_buf_len);
}
return BCME_OK;
}
#endif /* WL_FILS */
#if defined(WL_FILS)
#ifndef UPDATE_FILS_ERP_INFO
#define UPDATE_FILS_ERP_INFO BIT(1)
#define UPDATE_AUTH_TYPE BIT(2)
#endif // endif
static int
wl_cfg80211_update_connect_params(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_connect_params *sme, u32 changed)
{
s32 err = BCME_OK;
if (changed & UPDATE_FILS_ERP_INFO) {
err = wl_set_fils_params(dev, sme);
if (unlikely(err)) {
WL_ERR(("Invalid FILS params\n"));
goto exit;
}
}
if (changed & UPDATE_AUTH_TYPE) {
err = wl_set_auth_type(dev, sme);
if (unlikely(err)) {
WL_ERR(("Invalid auth type\n"));
goto exit;
}
}
if ((changed & UPDATE_FILS_ERP_INFO) && !(changed & UPDATE_AUTH_TYPE)) {
WL_DBG(("Warning: FILS ERP params are set, but authentication type - not\n"));
}
exit:
return err;
}
#endif /* WL_FILS */
#define MAX_SCAN_ABORT_WAIT_CNT 20
#define WAIT_SCAN_ABORT_OSL_SLEEP_TIME 10
static s32
wl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_connect_params *sme)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct ieee80211_channel *chan = sme->channel;
wl_extjoin_params_t *ext_join_params;
struct wl_join_params join_params;
size_t join_params_size;
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
#if defined(ROAM_ENABLE) && defined(ROAM_AP_ENV_DETECTION)
s32 roam_trigger[2] = {0, 0};
#endif /* ROAM_AP_ENV_DETECTION */
s32 err = 0;
const wpa_ie_fixed_t *wpa_ie;
const bcm_tlv_t *wpa2_ie;
const u8* wpaie = 0;
u32 wpaie_len = 0;
u32 chan_cnt = 0;
struct ether_addr bssid;
s32 bssidx = -1;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
bool skip_hints = fw_ap_select;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) */
#ifdef ESCAN_CHANNEL_CACHE
chanspec_t chanspec_list[MAX_ROAM_CHANNEL];
#endif /* ESCAN_CHANNEL_CACHE */
#if (defined(BCM4334_CHIP) || defined(BCM4359_CHIP) || !defined(ESCAN_RESULT_PATCH))
int wait_cnt;
#endif // endif
WL_DBG(("In\n"));
BCM_REFERENCE(dhdp);
#ifdef ESCAN_CHANNEL_CACHE
memset(chanspec_list, 0, (sizeof(chanspec_t) * MAX_ROAM_CHANNEL));
#endif /* ESCAN_CHANNEL_CACHE */
/* Connection attempted via linux-wireless */
wl_set_drv_status(cfg, CFG80211_CONNECT, dev);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
#if defined(WL_FW_OCE_AP_SELECT)
/* override bssid_hint for oce networks */
skip_hints = (fw_ap_select && wl_cfg80211_is_oce_ap(wiphy, sme->bssid_hint));
#endif // endif
if (skip_hints) {
/* Let fw choose the best AP */
WL_INFORM(("skipping bssid & channel hint\n"));
} else {
if (sme->channel_hint) {
chan = sme->channel_hint;
WL_INFORM_MEM(("channel_hint (%d), channel_hint center_freq (%d)\n",
ieee80211_frequency_to_channel(sme->channel_hint->center_freq),
sme->channel_hint->center_freq));
}
if (sme->bssid_hint) {
sme->bssid = sme->bssid_hint;
WL_INFORM_MEM(("bssid_hint "MACDBG" \n", MAC2STRDBG(sme->bssid_hint)));
}
}
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) */
if (unlikely(!sme->ssid)) {
WL_ERR(("Invalid ssid\n"));
return -EOPNOTSUPP;
}
if (unlikely(sme->ssid_len > DOT11_MAX_SSID_LEN)) {
WL_ERR(("Invalid SSID info: SSID=%s, length=%zd\n",
sme->ssid, sme->ssid_len));
return -EINVAL;
}
WL_DBG(("SME IE : len=%zu\n", sme->ie_len));
if (sme->ie != NULL && sme->ie_len > 0 && (wl_dbg_level & WL_DBG_DBG)) {
prhex(NULL, sme->ie, sme->ie_len);
}
RETURN_EIO_IF_NOT_UP(cfg);
/*
* Cancel ongoing scan to sync up with sme state machine of cfg80211.
*/
#if (defined(BCM4359_CHIP) || !defined(ESCAN_RESULT_PATCH))
if (cfg->scan_request) {
WL_TRACE_HW4(("Aborting the scan! \n"));
wl_cfg80211_scan_abort(cfg);
wait_cnt = MAX_SCAN_ABORT_WAIT_CNT;
while (wl_get_drv_status(cfg, SCANNING, dev) && wait_cnt) {
WL_DBG(("Waiting for SCANNING terminated, wait_cnt: %d\n", wait_cnt));
wait_cnt--;
OSL_SLEEP(WAIT_SCAN_ABORT_OSL_SLEEP_TIME);
}
if (wl_get_drv_status(cfg, SCANNING, dev)) {
wl_notify_escan_complete(cfg, dev, true, true);
}
}
#endif // endif
#ifdef WL_SCHED_SCAN
/* Locks are taken in wl_cfg80211_sched_scan_stop()
* A start scan occuring during connect is unlikely
*/
if (cfg->sched_scan_req) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0))
wl_cfg80211_sched_scan_stop(wiphy, bcmcfg_to_prmry_ndev(cfg), 0);
#else
wl_cfg80211_sched_scan_stop(wiphy, bcmcfg_to_prmry_ndev(cfg));
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) */
}
#endif /* WL_SCHED_SCAN */
#ifdef WL_CFG80211_GON_COLLISION
/* init block gon req count */
cfg->block_gon_req_tx_count = 0;
cfg->block_gon_req_rx_count = 0;
#endif /* WL_CFG80211_GON_COLLISION */
#if defined(ESCAN_RESULT_PATCH)
if (sme->bssid)
memcpy(connect_req_bssid, sme->bssid, ETHER_ADDR_LEN);
else
bzero(connect_req_bssid, ETHER_ADDR_LEN);
bzero(broad_bssid, ETHER_ADDR_LEN);
#endif // endif
#if defined(USE_DYNAMIC_MAXPKT_RXGLOM)
maxrxpktglom = 0;
#endif // endif
if (wl_get_drv_status(cfg, CONNECTING, dev) || wl_get_drv_status(cfg, CONNECTED, dev)) {
/* set nested connect bit to identify the context */
wl_set_drv_status(cfg, NESTED_CONNECT, dev);
/* DHD prev status is CONNECTING/CONNECTED */
err = wl_cfg80211_cleanup_mismatch_status(dev, cfg, TRUE);
} else if (wl_get_drv_status(cfg, DISCONNECTING, dev)) {
/* DHD prev status is DISCONNECTING */
err = wl_cfg80211_cleanup_mismatch_status(dev, cfg, false);
} else if (!wl_get_drv_status(cfg, CONNECTED, dev)) {
/* DHD previous status is not connected and FW connected */
if (wldev_ioctl_get(dev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN) == 0) {
/* set nested connect bit to identify the context */
wl_set_drv_status(cfg, NESTED_CONNECT, dev);
err = wl_cfg80211_cleanup_mismatch_status(dev, cfg, true);
}
}
wl_cfg80211_check_in4way(cfg, dev, WAIT_DISCONNECTED,
WL_EXT_STATUS_CONNECTING, NULL);
/* 'connect' request received */
wl_set_drv_status(cfg, CONNECTING, dev);
/* clear nested connect bit on proceeding for connection */
wl_clr_drv_status(cfg, NESTED_CONNECT, dev);
/* Clean BSSID */
bzero(&bssid, sizeof(bssid));
if (!wl_get_drv_status(cfg, DISCONNECTING, dev))
wl_update_prof(cfg, dev, NULL, (void *)&bssid, WL_PROF_BSSID);
if (p2p_is_on(cfg) && (dev != bcmcfg_to_prmry_ndev(cfg))) {
/* we only allow to connect using virtual interface in case of P2P */
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from wdev(%p) failed\n",
dev->ieee80211_ptr));
err = BCME_ERROR;
goto exit;
}
wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx,
VNDR_IE_ASSOCREQ_FLAG, sme->ie, sme->ie_len);
} else if (dev == bcmcfg_to_prmry_ndev(cfg)) {
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find wlan index from wdev(%p) failed\n", dev->ieee80211_ptr));
err = BCME_ERROR;
goto exit;
}
/* find the RSN_IE */
if ((wpa2_ie = bcm_parse_tlvs((const u8 *)sme->ie, sme->ie_len,
DOT11_MNG_RSN_ID)) != NULL) {
WL_DBG((" WPA2 IE is found\n"));
}
/* find the WPA_IE */
if ((wpa_ie = wl_cfgp2p_find_wpaie(sme->ie,
sme->ie_len)) != NULL) {
WL_DBG((" WPA IE is found\n"));
}
if (wpa_ie != NULL || wpa2_ie != NULL) {
wpaie = (wpa_ie != NULL) ? (const u8 *)wpa_ie : (const u8 *)wpa2_ie;
wpaie_len = (wpa_ie != NULL) ? wpa_ie->length : wpa2_ie->len;
wpaie_len += WPA_RSN_IE_TAG_FIXED_LEN;
err = wldev_iovar_setbuf(dev, "wpaie", wpaie, wpaie_len,
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
if (unlikely(err)) {
WL_ERR(("wpaie set error (%d)\n", err));
goto exit;
}
} else {
err = wldev_iovar_setbuf(dev, "wpaie", NULL, 0,
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
if (unlikely(err)) {
WL_ERR(("wpaie set error (%d)\n", err));
goto exit;
}
}
err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx,
VNDR_IE_ASSOCREQ_FLAG, (const u8 *)sme->ie, sme->ie_len);
if (unlikely(err)) {
goto exit;
}
}
#if defined(ROAM_ENABLE) && defined(ROAM_AP_ENV_DETECTION)
if (dhdp->roam_env_detection) {
bool is_roamtrig_reset = TRUE;
bool is_roam_env_ok = (wldev_iovar_setint(dev, "roam_env_detection",
AP_ENV_DETECT_NOT_USED) == BCME_OK);
#ifdef SKIP_ROAM_TRIGGER_RESET
roam_trigger[1] = WLC_BAND_2G;
is_roamtrig_reset =
(wldev_ioctl_get(dev, WLC_GET_ROAM_TRIGGER, roam_trigger,
sizeof(roam_trigger)) == BCME_OK) &&
(roam_trigger[0] == WL_AUTO_ROAM_TRIGGER-10);
#endif /* SKIP_ROAM_TRIGGER_RESET */
if (is_roamtrig_reset && is_roam_env_ok) {
roam_trigger[0] = WL_AUTO_ROAM_TRIGGER;
roam_trigger[1] = WLC_BAND_ALL;
err = wldev_ioctl_set(dev, WLC_SET_ROAM_TRIGGER, roam_trigger,
sizeof(roam_trigger));
if (unlikely(err)) {
WL_ERR((" failed to restore roam_trigger for auto env"
" detection\n"));
}
}
}
#endif /* ROAM_ENABLE && ROAM_AP_ENV_DETECTION */
if (chan) {
cfg->channel = ieee80211_frequency_to_channel(chan->center_freq);
chan_cnt = 1;
WL_DBG(("channel (%d), center_req (%d), %d channels\n", cfg->channel,
chan->center_freq, chan_cnt));
} else {
WL_DBG(("No channel info from user space\n"));
cfg->channel = 0;
}
#ifdef ESCAN_CHANNEL_CACHE
/*
* No channel information from user space. if ECC is enabled, the ECC
* would prepare the channel list, else no channel would be provided
* and firmware would need to do a full channel scan.
*
* Use cached channels. This might take slightly longer time compared
* to using a single channel based join. But ECC would help choose
* a better AP for a given ssid. For a given SSID there might multiple
* APs on different channels and ECC would scan all those channels
* before deciding up on the AP. This accounts for the additional delay.
*/
if (cfg->rcc_enabled || cfg->channel == 0)
{
wlc_ssid_t ssid;
int band;
err = wldev_get_band(dev, &band);
if (!err) {
set_roam_band(band);
}
memcpy(ssid.SSID, sme->ssid, sme->ssid_len);
ssid.SSID_len = sme->ssid_len;
chan_cnt = get_roam_channel_list(cfg->channel, chanspec_list,
MAX_ROAM_CHANNEL, &ssid, ioctl_version);
WL_DBG(("RCC channel count:%d \n", chan_cnt));
}
#endif /* ESCAN_CHANNEL_CACHE */
WL_DBG(("3. set wpa version \n"));
err = wl_set_wpa_version(dev, sme);
if (unlikely(err)) {
WL_ERR(("Invalid wpa_version\n"));
goto exit;
}
#ifdef BCMWAPI_WPI
if (sme->crypto.wpa_versions & NL80211_WAPI_VERSION_1)
WL_DBG(("4. WAPI Dont Set wl_set_auth_type\n"));
else {
WL_DBG(("4. wl_set_auth_type\n"));
#endif // endif
err = wl_set_auth_type(dev, sme);
if (unlikely(err)) {
WL_ERR(("Invalid auth type\n"));
goto exit;
}
#ifdef BCMWAPI_WPI
}
#endif // endif
#ifdef WL_FILS
if (sme->ie && sme->ie_len) {
err = wl_fils_add_hlp_container(cfg, dev, sme->ie, sme->ie_len);
if (unlikely(err)) {
WL_ERR(("FILS sending HLP failed\n"));
goto exit;
}
}
#endif /* WL_FILS */
err = wl_set_set_cipher(dev, sme);
if (unlikely(err)) {
WL_ERR(("Invalid ciper\n"));
goto exit;
}
err = wl_set_key_mgmt(dev, sme);
if (unlikely(err)) {
WL_ERR(("Invalid key mgmt\n"));
goto exit;
}
err = wl_set_set_sharedkey(dev, sme);
if (unlikely(err)) {
WL_ERR(("Invalid shared key\n"));
goto exit;
}
#ifdef WL_FILS
err = wl_set_fils_params(dev, sme);
if (unlikely(err)) {
WL_ERR(("Invalid FILS params\n"));
goto exit;
}
#endif /* WL_FILS */
/*
* Join with specific BSSID and cached SSID
* If SSID is zero join based on BSSID only
*/
join_params_size = WL_EXTJOIN_PARAMS_FIXED_SIZE +
chan_cnt * sizeof(chanspec_t);
ext_join_params = (wl_extjoin_params_t *)MALLOCZ(cfg->osh, join_params_size);
if (ext_join_params == NULL) {
err = -ENOMEM;
wl_clr_drv_status(cfg, CONNECTING, dev);
goto exit;
}
ext_join_params->ssid.SSID_len = min(sizeof(ext_join_params->ssid.SSID), sme->ssid_len);
memcpy(&ext_join_params->ssid.SSID, sme->ssid, ext_join_params->ssid.SSID_len);
wl_update_prof(cfg, dev, NULL, &ext_join_params->ssid, WL_PROF_SSID);
ext_join_params->ssid.SSID_len = htod32(ext_join_params->ssid.SSID_len);
/* increate dwell time to receive probe response or detect Beacon
* from target AP at a noisy air only during connect command
*/
ext_join_params->scan.active_time = chan_cnt ? WL_SCAN_JOIN_ACTIVE_DWELL_TIME_MS : -1;
ext_join_params->scan.passive_time = chan_cnt ? WL_SCAN_JOIN_PASSIVE_DWELL_TIME_MS : -1;
/* Set up join scan parameters */
ext_join_params->scan.scan_type = -1;
ext_join_params->scan.nprobes = chan_cnt ?
(ext_join_params->scan.active_time/WL_SCAN_JOIN_PROBE_INTERVAL_MS) : -1;
ext_join_params->scan.home_time = -1;
if (sme->bssid)
memcpy(&ext_join_params->assoc.bssid, sme->bssid, ETH_ALEN);
else
memcpy(&ext_join_params->assoc.bssid, &ether_bcast, ETH_ALEN);
ext_join_params->assoc.chanspec_num = chan_cnt;
if (chan_cnt && !cfg->rcc_enabled) {
if (cfg->channel) {
/*
* Use the channel provided by userspace
*/
u16 channel, band, bw, ctl_sb;
chanspec_t chspec;
channel = cfg->channel;
band = (channel <= CH_MAX_2G_CHANNEL) ? WL_CHANSPEC_BAND_2G
: WL_CHANSPEC_BAND_5G;
/* Get min_bw set for the interface */
bw = WL_CHANSPEC_BW_20;
if (bw == INVCHANSPEC) {
WL_ERR(("Invalid chanspec \n"));
MFREE(cfg->osh, ext_join_params, join_params_size);
err = BCME_ERROR;
goto exit;
}
ctl_sb = WL_CHANSPEC_CTL_SB_NONE;
chspec = (channel | band | bw | ctl_sb);
ext_join_params->assoc.chanspec_list[0] &= WL_CHANSPEC_CHAN_MASK;
ext_join_params->assoc.chanspec_list[0] |= chspec;
ext_join_params->assoc.chanspec_list[0] =
wl_chspec_host_to_driver(ext_join_params->assoc.chanspec_list[0]);
}
}
#ifdef ESCAN_CHANNEL_CACHE
else {
memcpy(ext_join_params->assoc.chanspec_list, chanspec_list,
sizeof(chanspec_t) * chan_cnt);
}
#endif /* ESCAN_CHANNEL_CACHE */
ext_join_params->assoc.chanspec_num = htod32(ext_join_params->assoc.chanspec_num);
if (ext_join_params->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) {
WL_DBG(("ssid \"%s\", len (%d)\n", ext_join_params->ssid.SSID,
ext_join_params->ssid.SSID_len));
}
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
MFREE(cfg->osh, ext_join_params, join_params_size);
err = BCME_ERROR;
goto exit;
}
#ifdef WLTDLS
/* disable TDLS if number of connected interfaces is >= 1 */
wl_cfg80211_tdls_config(cfg, TDLS_STATE_CONNECT, false);
#endif /* WLTDLS */
#ifdef WL_EXT_IAPSTA
wl_ext_iapsta_update_channel(dev, cfg->channel);
#endif
err = wldev_iovar_setbuf_bsscfg(dev, "join", ext_join_params, join_params_size,
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
if (cfg->rcc_enabled) {
WL_MSG(dev->name, "Connecting with " MACDBG " ssid \"%s\","
" len (%d) with rcc channels. chan_cnt:%d \n\n",
MAC2STRDBG((u8*)(&ext_join_params->assoc.bssid)),
ext_join_params->ssid.SSID, ext_join_params->ssid.SSID_len, chan_cnt);
} else {
WL_MSG(dev->name, "Connecting with " MACDBG " ssid \"%s\","
"len (%d) channel=%d\n\n",
MAC2STRDBG((u8*)(&ext_join_params->assoc.bssid)),
ext_join_params->ssid.SSID, ext_join_params->ssid.SSID_len, cfg->channel);
}
SUPP_LOG(("[%s] Connecting with " MACDBG " ssid \"%s\","
"channel:%d rcc:%d\n",
dev->name, MAC2STRDBG((u8*)(&ext_join_params->assoc.bssid)),
ext_join_params->ssid.SSID, cfg->channel, cfg->rcc_enabled));
MFREE(cfg->osh, ext_join_params, join_params_size);
if (err) {
wl_clr_drv_status(cfg, CONNECTING, dev);
if (err == BCME_UNSUPPORTED) {
WL_DBG(("join iovar is not supported\n"));
goto set_ssid;
} else {
WL_ERR(("join iovar error (%d)\n", err));
goto exit;
}
} else
goto exit;
set_ssid:
#if defined(ROAMEXP_SUPPORT)
/* Clear Blacklist bssid and Whitelist ssid list before join issue
* This is temporary fix since currently firmware roaming is not
* disabled by android framework before SSID join from framework
*/
/* Flush blacklist bssid content */
dhd_dev_set_blacklist_bssid(dev, NULL, 0, true);
/* Flush whitelist ssid content */
dhd_dev_set_whitelist_ssid(dev, NULL, 0, true);
#endif /* OEM_ANDROID && ROAMEXP_SUPPORT */
memset(&join_params, 0, sizeof(join_params));
join_params_size = sizeof(join_params.ssid);
join_params.ssid.SSID_len = min(sizeof(join_params.ssid.SSID), sme->ssid_len);
memcpy(&join_params.ssid.SSID, sme->ssid, join_params.ssid.SSID_len);
join_params.ssid.SSID_len = htod32(join_params.ssid.SSID_len);
wl_update_prof(cfg, dev, NULL, &join_params.ssid, WL_PROF_SSID);
if (sme->bssid)
memcpy(&join_params.params.bssid, sme->bssid, ETH_ALEN);
else
memcpy(&join_params.params.bssid, &ether_bcast, ETH_ALEN);
if (wl_ch_to_chanspec(dev, cfg->channel, &join_params, &join_params_size) < 0) {
WL_ERR(("Invalid chanspec\n"));
return -EINVAL;
}
WL_DBG(("join_param_size %zu\n", join_params_size));
if (join_params.ssid.SSID_len < IEEE80211_MAX_SSID_LEN) {
WL_MSG(dev->name, "ssid \"%s\", len (%d)\n", join_params.ssid.SSID,
join_params.ssid.SSID_len);
}
err = wldev_ioctl_set(dev, WLC_SET_SSID, &join_params, join_params_size);
exit:
if (err) {
WL_ERR(("error (%d)\n", err));
wl_clr_drv_status(cfg, CONNECTING, dev);
wl_flush_fw_log_buffer(dev, FW_LOGSET_MASK_ALL);
#ifdef WLTDLS
/* If connect fails, check whether we can enable back TDLS */
wl_cfg80211_tdls_config(cfg, TDLS_STATE_DISCONNECT, false);
#endif /* WLTDLS */
}
if (!err)
wl_cfg80211_check_in4way(cfg, dev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY,
WL_EXT_STATUS_CONNECTING, NULL);
#ifdef DBG_PKT_MON
if ((dev == bcmcfg_to_prmry_ndev(cfg)) && !err) {
DHD_DBG_PKT_MON_START(dhdp);
}
#endif /* DBG_PKT_MON */
return err;
}
#define WAIT_FOR_DISCONNECT_MAX 10
static void wl_cfg80211_wait_for_disconnection(struct bcm_cfg80211 *cfg, struct net_device *dev)
{
uint8 wait_cnt;
wait_cnt = WAIT_FOR_DISCONNECT_MAX;
while (wl_get_drv_status(cfg, DISCONNECTING, dev) && wait_cnt) {
WL_DBG(("Waiting for disconnection, wait_cnt: %d\n", wait_cnt));
wait_cnt--;
OSL_SLEEP(50);
}
return;
}
static s32
wl_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
u16 reason_code)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
scb_val_t scbval;
bool act = false;
s32 err = 0;
u8 *curbssid;
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
WL_MSG(dev->name, "Reason %d\n", reason_code);
RETURN_EIO_IF_NOT_UP(cfg);
act = *(bool *) wl_read_prof(cfg, dev, WL_PROF_ACT);
curbssid = wl_read_prof(cfg, dev, WL_PROF_BSSID);
BCM_REFERENCE(dhdp);
#ifdef ESCAN_RESULT_PATCH
if (wl_get_drv_status(cfg, CONNECTING, dev) && curbssid &&
(memcmp(curbssid, connect_req_bssid, ETHER_ADDR_LEN) == 0)) {
WL_ERR(("Disconnecting from connecting device: " MACDBG "\n",
MAC2STRDBG(curbssid)));
act = true;
}
#endif /* ESCAN_RESULT_PATCH */
if (act) {
#ifdef DBG_PKT_MON
/* Stop packet monitor */
if (dev == bcmcfg_to_prmry_ndev(cfg)) {
DHD_DBG_PKT_MON_STOP(dhdp);
}
#endif /* DBG_PKT_MON */
/*
* Cancel ongoing scan to sync up with sme state machine of cfg80211.
*/
#if !defined(ESCAN_RESULT_PATCH)
/* Let scan aborted by F/W */
if (cfg->scan_request) {
WL_TRACE_HW4(("Aborting the scan! \n"));
wl_notify_escan_complete(cfg, dev, true, true);
}
#endif /* ESCAN_RESULT_PATCH */
if (wl_get_drv_status(cfg, CONNECTING, dev) ||
wl_get_drv_status(cfg, CONNECTED, dev)) {
wl_set_drv_status(cfg, DISCONNECTING, dev);
scbval.val = reason_code;
memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN);
scbval.val = htod32(scbval.val);
WL_INFORM_MEM(("[%s] wl disassoc\n", dev->name));
err = wldev_ioctl_set(dev, WLC_DISASSOC, &scbval,
sizeof(scb_val_t));
if (unlikely(err)) {
wl_clr_drv_status(cfg, DISCONNECTING, dev);
WL_ERR(("error (%d)\n", err));
return err;
}
wl_cfg80211_check_in4way(cfg, dev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED,
WL_EXT_STATUS_DISCONNECTING, NULL);
}
#ifdef WL_WPS_SYNC
/* If are in WPS reauth state, then we would be
* dropping the link down events. Ensure that
* Event is sent up for the disconnect Req
*/
if (wl_wps_session_update(dev,
WPS_STATE_DISCONNECT, curbssid) == BCME_OK) {
WL_INFORM_MEM(("[WPS] Disconnect done.\n"));
wl_clr_drv_status(cfg, DISCONNECTING, dev);
}
#endif /* WPS_SYNC */
wl_cfg80211_wait_for_disconnection(cfg, dev);
}
#ifdef CUSTOM_SET_CPUCORE
/* set default cpucore */
if (dev == bcmcfg_to_prmry_ndev(cfg)) {
dhdp->chan_isvht80 &= ~DHD_FLAG_STA_MODE;
if (!(dhdp->chan_isvht80))
dhd_set_cpucore(dhdp, FALSE);
}
#endif /* CUSTOM_SET_CPUCORE */
cfg->rssi = 0; /* reset backup of rssi */
return err;
}
static s32
#if defined(WL_CFG80211_P2P_DEV_IF)
wl_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
enum nl80211_tx_power_setting type, s32 mbm)
#else
wl_cfg80211_set_tx_power(struct wiphy *wiphy,
enum nl80211_tx_power_setting type, s32 dbm)
#endif /* WL_CFG80211_P2P_DEV_IF */
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
s32 err = 0;
#if defined(WL_CFG80211_P2P_DEV_IF)
s32 dbm = MBM_TO_DBM(mbm);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) || \
defined(WL_COMPAT_WIRELESS) || defined(WL_SUPPORT_BACKPORTED_KPATCHES)
dbm = MBM_TO_DBM(dbm);
#endif /* WL_CFG80211_P2P_DEV_IF */
RETURN_EIO_IF_NOT_UP(cfg);
switch (type) {
case NL80211_TX_POWER_AUTOMATIC:
break;
case NL80211_TX_POWER_LIMITED:
if (dbm < 0) {
WL_ERR(("TX_POWER_LIMITTED - dbm is negative\n"));
return -EINVAL;
}
break;
case NL80211_TX_POWER_FIXED:
if (dbm < 0) {
WL_ERR(("TX_POWER_FIXED - dbm is negative..\n"));
return -EINVAL;
}
break;
}
err = wl_set_tx_power(ndev, type, dbm);
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
return err;
}
cfg->conf->tx_power = dbm;
return err;
}
static s32
#if defined(WL_CFG80211_P2P_DEV_IF)
wl_cfg80211_get_tx_power(struct wiphy *wiphy,
struct wireless_dev *wdev, s32 *dbm)
#else
wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm)
#endif /* WL_CFG80211_P2P_DEV_IF */
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
s32 err = 0;
RETURN_EIO_IF_NOT_UP(cfg);
err = wl_get_tx_power(ndev, dbm);
if (unlikely(err))
WL_ERR(("error (%d)\n", err));
return err;
}
static s32
wl_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *dev,
u8 key_idx, bool unicast, bool multicast)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
u32 index;
s32 wsec;
s32 err = 0;
s32 bssidx;
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev->ieee80211_ptr));
return BCME_ERROR;
}
WL_DBG(("key index (%d)\n", key_idx));
RETURN_EIO_IF_NOT_UP(cfg);
err = wldev_iovar_getint_bsscfg(dev, "wsec", &wsec, bssidx);
if (unlikely(err)) {
WL_ERR(("WLC_GET_WSEC error (%d)\n", err));
return err;
}
if (wsec == WEP_ENABLED) {
/* Just select a new current key */
index = (u32) key_idx;
index = htod32(index);
err = wldev_ioctl_set(dev, WLC_SET_KEY_PRIMARY, &index,
sizeof(index));
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
}
}
return err;
}
static s32
wl_add_keyext(struct wiphy *wiphy, struct net_device *dev,
u8 key_idx, const u8 *mac_addr, struct key_params *params)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct wl_wsec_key key;
s32 err = 0;
s32 bssidx;
s32 mode = wl_get_mode_by_netdev(cfg, dev);
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
return BCME_ERROR;
}
memset(&key, 0, sizeof(key));
key.index = (u32) key_idx;
if (!ETHER_ISMULTI(mac_addr))
memcpy((char *)&key.ea, (const void *)mac_addr, ETHER_ADDR_LEN);
key.len = (u32) params->key_len;
/* check for key index change */
if (key.len == 0) {
/* key delete */
swap_key_from_BE(&key);
err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key),
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
if (unlikely(err)) {
WL_ERR(("key delete error (%d)\n", err));
return err;
}
} else {
if (key.len > sizeof(key.data)) {
WL_ERR(("Invalid key length (%d)\n", key.len));
return -EINVAL;
}
WL_DBG(("Setting the key index %d\n", key.index));
memcpy(key.data, params->key, key.len);
if ((mode == WL_MODE_BSS) &&
(params->cipher == WLAN_CIPHER_SUITE_TKIP)) {
u8 keybuf[8];
memcpy(keybuf, &key.data[24], sizeof(keybuf));
memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
memcpy(&key.data[16], keybuf, sizeof(keybuf));
}
/* if IW_ENCODE_EXT_RX_SEQ_VALID set */
if (params->seq && params->seq_len == 6) {
/* rx iv */
const u8 *ivptr;
ivptr = (const u8 *) params->seq;
key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) |
(ivptr[3] << 8) | ivptr[2];
key.rxiv.lo = (ivptr[1] << 8) | ivptr[0];
key.iv_initialized = true;
}
switch (params->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
key.algo = CRYPTO_ALGO_WEP1;
WL_DBG(("WLAN_CIPHER_SUITE_WEP40\n"));
break;
case WLAN_CIPHER_SUITE_WEP104:
key.algo = CRYPTO_ALGO_WEP128;
WL_DBG(("WLAN_CIPHER_SUITE_WEP104\n"));
break;
case WLAN_CIPHER_SUITE_TKIP:
key.algo = CRYPTO_ALGO_TKIP;
WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n"));
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
key.algo = CRYPTO_ALGO_AES_CCM;
WL_DBG(("WLAN_CIPHER_SUITE_AES_CMAC\n"));
break;
case WLAN_CIPHER_SUITE_CCMP:
key.algo = CRYPTO_ALGO_AES_CCM;
WL_DBG(("WLAN_CIPHER_SUITE_CCMP\n"));
break;
#ifdef BCMWAPI_WPI
case WLAN_CIPHER_SUITE_SMS4:
key.algo = CRYPTO_ALGO_SMS4;
WL_DBG(("WLAN_CIPHER_SUITE_SMS4\n"));
break;
#endif // endif
default:
WL_ERR(("Invalid cipher (0x%x)\n", params->cipher));
return -EINVAL;
}
swap_key_from_BE(&key);
/* need to guarantee EAPOL 4/4 send out before set key */
dhd_wait_pend8021x(dev);
err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key),
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
if (unlikely(err)) {
WL_ERR(("WLC_SET_KEY error (%d)\n", err));
return err;
}
WL_INFORM_MEM(("[%s] wsec key set\n", dev->name));
}
return err;
}
int
wl_cfg80211_enable_roam_offload(struct net_device *dev, int enable)
{
int err;
wl_eventmsg_buf_t ev_buf;
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
if (dev != bcmcfg_to_prmry_ndev(cfg)) {
/* roam offload is only for the primary device */
return -1;
}
WL_INFORM_MEM(("[%s] wl roam_offload %d\n", dev->name, enable));
err = wldev_iovar_setint(dev, "roam_offload", enable);
if (err)
return err;
bzero(&ev_buf, sizeof(wl_eventmsg_buf_t));
wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_PSK_SUP, !enable);
wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_ASSOC_REQ_IE, !enable);
wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_ASSOC_RESP_IE, !enable);
wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_REASSOC, !enable);
wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_JOIN, !enable);
wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_ROAM, !enable);
err = wl_cfg80211_apply_eventbuffer(dev, cfg, &ev_buf);
if (!err) {
cfg->roam_offload = enable;
}
return err;
}
struct wireless_dev *
wl_cfg80211_get_wdev_from_ifname(struct bcm_cfg80211 *cfg, const char *name)
{
struct net_info *iter, *next;
if (name == NULL) {
return NULL;
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif // endif
for_each_ndev(cfg, iter, next) {
if (iter->ndev) {
if (strcmp(iter->ndev->name, name) == 0) {
return iter->ndev->ieee80211_ptr;
}
}
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic pop
#endif // endif
WL_DBG(("Iface %s not found\n", name));
return NULL;
}
#if defined(PKT_FILTER_SUPPORT) && defined(APSTA_BLOCK_ARP_DURING_DHCP)
void
wl_cfg80211_block_arp(struct net_device *dev, int enable)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
WL_INFORM_MEM(("[%s] Enter. enable:%d\n", dev->name, enable));
if (!dhd_pkt_filter_enable) {
WL_DBG(("Packet filter isn't enabled\n"));
return;
}
/* Block/Unblock ARP frames only if STA is connected to
* the upstream AP in case of STA+SoftAP Concurrenct mode
*/
if (!wl_get_drv_status(cfg, CONNECTED, dev)) {
WL_DBG(("STA not connected to upstream AP\n"));
return;
}
if (enable) {
WL_DBG(("Enable ARP Filter\n"));
/* Add ARP filter */
dhd_packet_filter_add_remove(dhdp, TRUE, DHD_BROADCAST_ARP_FILTER_NUM);
/* Enable ARP packet filter - blacklist */
dhd_master_mode = FALSE;
dhd_pktfilter_offload_enable(dhdp, dhdp->pktfilter[DHD_BROADCAST_ARP_FILTER_NUM],
TRUE, dhd_master_mode);
} else {
WL_DBG(("Disable ARP Filter\n"));
/* Disable ARP packet filter */
dhd_master_mode = TRUE;
dhd_pktfilter_offload_enable(dhdp, dhdp->pktfilter[DHD_BROADCAST_ARP_FILTER_NUM],
FALSE, dhd_master_mode);
/* Delete ARP filter */
dhd_packet_filter_add_remove(dhdp, FALSE, DHD_BROADCAST_ARP_FILTER_NUM);
}
}
#endif /* PKT_FILTER_SUPPORT && APSTA_BLOCK_ARP_DURING_DHCP */
static s32
wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev,
u8 key_idx, bool pairwise, const u8 *mac_addr,
struct key_params *params)
{
struct wl_wsec_key key;
s32 val = 0;
s32 wsec = 0;
s32 err = 0;
u8 keybuf[8];
s32 bssidx = 0;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
s32 mode = wl_get_mode_by_netdev(cfg, dev);
WL_DBG(("key index (%d)\n", key_idx));
RETURN_EIO_IF_NOT_UP(cfg);
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev->ieee80211_ptr));
return BCME_ERROR;
}
if (mac_addr &&
((params->cipher != WLAN_CIPHER_SUITE_WEP40) &&
(params->cipher != WLAN_CIPHER_SUITE_WEP104))) {
wl_add_keyext(wiphy, dev, key_idx, mac_addr, params);
goto exit;
}
memset(&key, 0, sizeof(key));
/* Clear any buffered wep key */
memset(&cfg->wep_key, 0, sizeof(struct wl_wsec_key));
key.len = (u32) params->key_len;
key.index = (u32) key_idx;
if (unlikely(key.len > sizeof(key.data))) {
WL_ERR(("Too long key length (%u)\n", key.len));
return -EINVAL;
}
memcpy(key.data, params->key, key.len);
key.flags = WL_PRIMARY_KEY;
switch (params->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
key.algo = CRYPTO_ALGO_WEP1;
val = WEP_ENABLED;
WL_DBG(("WLAN_CIPHER_SUITE_WEP40\n"));
break;
case WLAN_CIPHER_SUITE_WEP104:
key.algo = CRYPTO_ALGO_WEP128;
val = WEP_ENABLED;
WL_DBG(("WLAN_CIPHER_SUITE_WEP104\n"));
break;
case WLAN_CIPHER_SUITE_TKIP:
key.algo = CRYPTO_ALGO_TKIP;
val = TKIP_ENABLED;
/* wpa_supplicant switches the third and fourth quarters of the TKIP key */
if (mode == WL_MODE_BSS) {
bcopy(&key.data[24], keybuf, sizeof(keybuf));
bcopy(&key.data[16], &key.data[24], sizeof(keybuf));
bcopy(keybuf, &key.data[16], sizeof(keybuf));
}
WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n"));
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
key.algo = CRYPTO_ALGO_AES_CCM;
val = AES_ENABLED;
WL_DBG(("WLAN_CIPHER_SUITE_AES_CMAC\n"));
break;
case WLAN_CIPHER_SUITE_CCMP:
key.algo = CRYPTO_ALGO_AES_CCM;
val = AES_ENABLED;
WL_DBG(("WLAN_CIPHER_SUITE_CCMP\n"));
break;
#ifdef BCMWAPI_WPI
case WLAN_CIPHER_SUITE_SMS4:
key.algo = CRYPTO_ALGO_SMS4;
WL_DBG(("WLAN_CIPHER_SUITE_SMS4\n"));
val = SMS4_ENABLED;
break;
#endif /* BCMWAPI_WPI */
#if defined(WLAN_CIPHER_SUITE_PMK)
case WLAN_CIPHER_SUITE_PMK: {
int j;
wsec_pmk_t pmk;
char keystring[WSEC_MAX_PSK_LEN + 1];
char* charptr = keystring;
uint len;
struct wl_security *sec;
sec = wl_read_prof(cfg, dev, WL_PROF_SEC);
if (sec->wpa_auth == WLAN_AKM_SUITE_8021X) {
err = wldev_iovar_setbuf(dev, "okc_info_pmk", (const void *)params->key,
WSEC_MAX_PSK_LEN / 2, keystring, sizeof(keystring), NULL);
if (err) {
/* could fail in case that 'okc' is not supported */
WL_INFORM_MEM(("okc_info_pmk failed, err=%d (ignore)\n", err));
}
}
/* copy the raw hex key to the appropriate format */
for (j = 0; j < (WSEC_MAX_PSK_LEN / 2); j++) {
charptr += snprintf(charptr, sizeof(keystring), "%02x", params->key[j]);
}
len = strlen(keystring);
pmk.key_len = htod16(len);
bcopy(keystring, pmk.key, len);
pmk.flags = htod16(WSEC_PASSPHRASE);
err = wldev_ioctl_set(dev, WLC_SET_WSEC_PMK, &pmk, sizeof(pmk));
if (err)
return err;
/* Clear key length to delete key */
key.len = 0;
} break;
#endif /* WLAN_CIPHER_SUITE_PMK */
default:
WL_ERR(("Invalid cipher (0x%x)\n", params->cipher));
return -EINVAL;
}
/* Set the new key/index */
if ((mode == WL_MODE_IBSS) && (val & (TKIP_ENABLED | AES_ENABLED))) {
WL_ERR(("IBSS KEY setted\n"));
wldev_iovar_setint(dev, "wpa_auth", WPA_AUTH_NONE);
}
swap_key_from_BE(&key);
if ((params->cipher == WLAN_CIPHER_SUITE_WEP40) ||
(params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
/*
* For AP role, since we are doing a wl down before bringing up AP,
* the plumbed keys will be lost. So for AP once we bring up AP, we
* need to plumb keys again. So buffer the keys for future use. This
* is more like a WAR. If firmware later has the capability to do
* interface upgrade without doing a "wl down" and "wl apsta 0", then
* this will not be required.
*/
WL_DBG(("Buffering WEP Keys \n"));
memcpy(&cfg->wep_key, &key, sizeof(struct wl_wsec_key));
}
err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), cfg->ioctl_buf,
WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
if (unlikely(err)) {
WL_ERR(("WLC_SET_KEY error (%d)\n", err));
return err;
}
exit:
err = wldev_iovar_getint_bsscfg(dev, "wsec", &wsec, bssidx);
if (unlikely(err)) {
WL_ERR(("get wsec error (%d)\n", err));
return err;
}
wsec |= val;
err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx);
if (unlikely(err)) {
WL_ERR(("set wsec error (%d)\n", err));
return err;
}
wl_cfg80211_check_in4way(cfg, dev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY,
WL_EXT_STATUS_ADD_KEY, NULL);
return err;
}
static s32
wl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *dev,
u8 key_idx, bool pairwise, const u8 *mac_addr)
{
struct wl_wsec_key key;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
s32 err = 0;
s32 bssidx;
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
return BCME_ERROR;
}
WL_DBG(("Enter\n"));
#ifndef MFP
if ((key_idx >= DOT11_MAX_DEFAULT_KEYS) && (key_idx < DOT11_MAX_DEFAULT_KEYS+2))
return -EINVAL;
#endif // endif
RETURN_EIO_IF_NOT_UP(cfg);
memset(&key, 0, sizeof(key));
key.flags = WL_PRIMARY_KEY;
key.algo = CRYPTO_ALGO_OFF;
key.index = (u32) key_idx;
WL_DBG(("key index (%d)\n", key_idx));
/* Set the new key/index */
swap_key_from_BE(&key);
err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), cfg->ioctl_buf,
WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
if (unlikely(err)) {
if (err == -EINVAL) {
if (key.index >= DOT11_MAX_DEFAULT_KEYS) {
/* we ignore this key index in this case */
WL_DBG(("invalid key index (%d)\n", key_idx));
}
} else {
WL_ERR(("WLC_SET_KEY error (%d)\n", err));
}
return err;
}
return err;
}
/* NOTE : this function cannot work as is and is never called */
static s32
wl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *dev,
u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie,
void (*callback) (void *cookie, struct key_params * params))
{
struct key_params params;
struct wl_wsec_key key;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct wl_security *sec;
s32 wsec;
s32 err = 0;
s32 bssidx;
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
return BCME_ERROR;
}
WL_DBG(("key index (%d)\n", key_idx));
RETURN_EIO_IF_NOT_UP(cfg);
memset(&key, 0, sizeof(key));
key.index = key_idx;
swap_key_to_BE(&key);
memset(&params, 0, sizeof(params));
params.key_len = (u8) min_t(u8, DOT11_MAX_KEY_SIZE, key.len);
params.key = key.data;
err = wldev_iovar_getint_bsscfg(dev, "wsec", &wsec, bssidx);
if (unlikely(err)) {
WL_ERR(("WLC_GET_WSEC error (%d)\n", err));
return err;
}
switch (WSEC_ENABLED(wsec)) {
case WEP_ENABLED:
sec = wl_read_prof(cfg, dev, WL_PROF_SEC);
if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
params.cipher = WLAN_CIPHER_SUITE_WEP40;
WL_DBG(("WLAN_CIPHER_SUITE_WEP40\n"));
} else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
params.cipher = WLAN_CIPHER_SUITE_WEP104;
WL_DBG(("WLAN_CIPHER_SUITE_WEP104\n"));
}
break;
case TKIP_ENABLED:
params.cipher = WLAN_CIPHER_SUITE_TKIP;
WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n"));
break;
case AES_ENABLED:
params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
WL_DBG(("WLAN_CIPHER_SUITE_AES_CMAC\n"));
break;
#ifdef BCMWAPI_WPI
case SMS4_ENABLED:
params.cipher = WLAN_CIPHER_SUITE_SMS4;
WL_DBG(("WLAN_CIPHER_SUITE_SMS4\n"));
break;
#endif // endif
#if defined(SUPPORT_SOFTAP_WPAWPA2_MIXED)
/* to connect to mixed mode AP */
case (AES_ENABLED | TKIP_ENABLED): /* TKIP CCMP */
params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n"));
break;
#endif // endif
default:
WL_ERR(("Invalid algo (0x%x)\n", wsec));
return -EINVAL;
}
callback(cookie, &params);
return err;
}
static s32
wl_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
struct net_device *dev, u8 key_idx)
{
#ifdef MFP
return 0;
#else
WL_INFORM_MEM(("Not supported\n"));
return -EOPNOTSUPP;
#endif /* MFP */
}
static int
wl_cfg80211_ifstats_counters_cb(void *ctx, const uint8 *data, uint16 type, uint16 len)
{
switch (type) {
case WL_IFSTATS_XTLV_IF_INDEX:
WL_DBG(("Stats received on interface index: %d\n", *data));
break;
case WL_IFSTATS_XTLV_GENERIC: {
if (len > sizeof(wl_if_stats_t)) {
WL_INFORM(("type 0x%x: cntbuf length too long! %d > %d\n",
type, len, (int)sizeof(wl_if_stats_t)));
}
memcpy(ctx, data, sizeof(wl_if_stats_t));
break;
}
default:
WL_DBG(("Unsupported counter type 0x%x\n", type));
break;
}
return BCME_OK;
}
/* Parameters to if_counters iovar need to be converted to XTLV format
* before sending to FW. The length of the top level XTLV container
* containing parameters should not exceed 228 bytes
*/
#define IF_COUNTERS_PARAM_CONTAINER_LEN_MAX 228
int
wl_cfg80211_ifstats_counters(struct net_device *dev, wl_if_stats_t *if_stats)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
uint8 *pbuf = NULL;
bcm_xtlvbuf_t xtlvbuf, local_xtlvbuf;
bcm_xtlv_t *xtlv;
uint16 expected_resp_len;
wl_stats_report_t *request = NULL, *response = NULL;
int bsscfg_idx;
int ret = BCME_OK;
pbuf = (uint8 *)MALLOCZ(dhdp->osh, WLC_IOCTL_MEDLEN);
if (!pbuf) {
WL_ERR(("Failed to allocate local pbuf\n"));
return BCME_NOMEM;
}
/* top level container length cannot exceed 228 bytes.
* This is because the output buffer is 1535 bytes long.
* Allow 1300 bytes for reporting stats coming in XTLV format
*/
request = (wl_stats_report_t *)
MALLOCZ(dhdp->osh, IF_COUNTERS_PARAM_CONTAINER_LEN_MAX);
if (!request) {
WL_ERR(("Failed to allocate wl_stats_report_t with length (%d)\n",
IF_COUNTERS_PARAM_CONTAINER_LEN_MAX));
ret = BCME_NOMEM;
goto fail;
}
request->version = WL_STATS_REPORT_REQUEST_VERSION_V2;
/* Top level container... we will create it ourselves */
/* Leave space for report version, length, and top level XTLV
* WL_IFSTATS_XTLV_IF.
*/
ret = bcm_xtlv_buf_init(&local_xtlvbuf,
(uint8*)(request->data) + BCM_XTLV_HDR_SIZE,
IF_COUNTERS_PARAM_CONTAINER_LEN_MAX -
offsetof(wl_stats_report_t, data) - BCM_XTLV_HDR_SIZE,
BCM_XTLV_OPTION_ALIGN32);
if (ret) {
goto fail;
}
/* Populate requests using this the local_xtlvbuf context. The xtlvbuf
* is used to fill the container containing the XTLVs populated using
* local_xtlvbuf.
*/
ret = bcm_xtlv_buf_init(&xtlvbuf,
(uint8*)(request->data),
IF_COUNTERS_PARAM_CONTAINER_LEN_MAX -
offsetof(wl_stats_report_t, data),
BCM_XTLV_OPTION_ALIGN32);
if (ret) {
goto fail;
}
/* Request generic stats */
ret = bcm_xtlv_put_data(&local_xtlvbuf,
WL_IFSTATS_XTLV_GENERIC, NULL, 0);
if (ret) {
goto fail;
}
/* Complete the outer container with type and length
* only.
*/
ret = bcm_xtlv_put_data(&xtlvbuf,
WL_IFSTATS_XTLV_IF,
NULL, bcm_xtlv_buf_len(&local_xtlvbuf));
if (ret) {
goto fail;
}
request->length = bcm_xtlv_buf_len(&xtlvbuf) +
offsetof(wl_stats_report_t, data);
bsscfg_idx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr);
/* send the command over to the device and get teh output */
ret = wldev_iovar_getbuf_bsscfg(dev, "if_counters", (void *)request,
request->length, pbuf, WLC_IOCTL_MEDLEN, bsscfg_idx,
&cfg->ioctl_buf_sync);
if (ret < 0) {
WL_ERR(("if_counters not supported ret=%d\n", ret));
goto fail;
}
/* Reuse request to process response */
response = (wl_stats_report_t *)pbuf;
/* version check */
if (response->version != WL_STATS_REPORT_REQUEST_VERSION_V2) {
ret = BCME_VERSION;
goto fail;
}
xtlv = (bcm_xtlv_t *)(response->data);
expected_resp_len =
(BCM_XTLV_LEN(xtlv) + OFFSETOF(wl_stats_report_t, data));
/* Check if the received length is as expected */
if ((response->length > WLC_IOCTL_MEDLEN) ||
(response->length < expected_resp_len)) {
ret = BCME_ERROR;
WL_ERR(("Illegal response length received. Got: %d"
" Expected: %d. Expected len must be <= %u\n",
response->length, expected_resp_len, WLC_IOCTL_MEDLEN));
goto fail;
}
/* check the type. The return data will be in
* WL_IFSTATS_XTLV_IF container. So check if that container is
* present
*/
if (BCM_XTLV_ID(xtlv) != WL_IFSTATS_XTLV_IF) {
ret = BCME_ERROR;
WL_ERR(("unexpected type received: %d Expected: %d\n",
BCM_XTLV_ID(xtlv), WL_IFSTATS_XTLV_IF));
goto fail;
}
/* Process XTLVs within WL_IFSTATS_XTLV_IF container */
ret = bcm_unpack_xtlv_buf(if_stats,
(uint8*)response->data + BCM_XTLV_HDR_SIZE,
BCM_XTLV_LEN(xtlv), /* total length of all TLVs in container */
BCM_XTLV_OPTION_ALIGN32, wl_cfg80211_ifstats_counters_cb);
if (ret) {
WL_ERR(("Error unpacking XTLVs in wl_ifstats_counters: %d\n", ret));
}
fail:
if (pbuf) {
MFREE(dhdp->osh, pbuf, WLC_IOCTL_MEDLEN);
}
if (request) {
MFREE(dhdp->osh, request, IF_COUNTERS_PARAM_CONTAINER_LEN_MAX);
}
return ret;
}
#undef IF_COUNTERS_PARAM_CONTAINER_LEN_MAX
static bool
wl_check_assoc_state(struct bcm_cfg80211 *cfg, struct net_device *dev)
{
wl_assoc_info_t asinfo;
uint32 state = 0;
int err;
err = wldev_iovar_getbuf_bsscfg(dev, "assoc_info",
NULL, 0, cfg->ioctl_buf, WLC_IOCTL_MEDLEN, 0, &cfg->ioctl_buf_sync);
if (unlikely(err)) {
WL_ERR(("failed to get assoc_info : err=%d\n", err));
return FALSE;
} else {
memcpy(&asinfo, cfg->ioctl_buf, sizeof(wl_assoc_info_t));
state = dtoh32(asinfo.state);
WL_DBG(("assoc state=%d\n", state));
}
return (state > 0)? TRUE:FALSE;
}
static s32
wl_cfg80211_get_rssi(struct net_device *dev, struct bcm_cfg80211 *cfg, s32 *rssi)
{
s32 err = BCME_OK;
scb_val_t scb_val;
#ifdef SUPPORT_RSSI_SUM_REPORT
wl_rssi_ant_mimo_t rssi_ant_mimo;
#endif /* SUPPORT_RSSI_SUM_REPORT */
if (dev == NULL || cfg == NULL) {
return BCME_ERROR;
}
/* initialize rssi */
*rssi = 0;
#ifdef SUPPORT_RSSI_SUM_REPORT
/* Query RSSI sum across antennas */
memset(&rssi_ant_mimo, 0, sizeof(rssi_ant_mimo));
err = wl_get_rssi_per_ant(dev, dev->name, NULL, &rssi_ant_mimo);
if (err) {
WL_ERR(("Could not get rssi sum (%d)\n", err));
/* set rssi to zero and do not return error,
* because iovar phy_rssi_ant could return BCME_UNSUPPORTED
* when bssid was null during roaming
*/
err = BCME_OK;
} else {
cfg->rssi_sum_report = TRUE;
if ((*rssi = rssi_ant_mimo.rssi_sum) >= 0) {
*rssi = 0;
}
}
#endif /* SUPPORT_RSSI_SUM_REPORT */
/* if SUPPORT_RSSI_SUM_REPORT works once, do not use legacy method anymore */
if (cfg->rssi_sum_report == FALSE) {
memset(&scb_val, 0, sizeof(scb_val));
scb_val.val = 0;
err = wldev_ioctl_get(dev, WLC_GET_RSSI, &scb_val,
sizeof(scb_val_t));
if (err) {
WL_ERR(("Could not get rssi (%d)\n", err));
return err;
}
#if defined(RSSIOFFSET)
*rssi = wl_update_rssi_offset(dev, dtoh32(scb_val.val));
#else
*rssi = dtoh32(scb_val.val);
#endif
}
if (*rssi >= 0) {
/* check assoc status including roaming */
DHD_OS_WAKE_LOCK((dhd_pub_t *)(cfg->pub));
if (wl_get_drv_status(cfg, CONNECTED, dev) && wl_check_assoc_state(cfg, dev)) {
*rssi = cfg->rssi; /* use previous RSSI */
WL_DBG(("use previous RSSI %d dBm\n", cfg->rssi));
} else {
*rssi = 0;
}
DHD_OS_WAKE_UNLOCK((dhd_pub_t *)(cfg->pub));
} else {
/* backup the current rssi */
cfg->rssi = *rssi;
}
return err;
}
static s32
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
const u8 *mac, struct station_info *sinfo)
#else
wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_info *sinfo)
#endif // endif
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
s32 rssi = 0;
s32 rate;
s32 err = 0;
sta_info_v4_t *sta;
s32 mode;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) || defined(WL_COMPAT_WIRELESS)
s8 eabuf[ETHER_ADDR_STR_LEN];
#endif // endif
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
bool fw_assoc_state = FALSE;
u32 dhd_assoc_state = 0;
void *buf;
static int err_cnt = 0;
RETURN_EIO_IF_NOT_UP(cfg);
mode = wl_get_mode_by_netdev(cfg, dev);
if (mode < 0) {
return -ENODEV;
}
buf = MALLOC(cfg->osh, MAX(sizeof(wl_if_stats_t), WLC_IOCTL_SMLEN));
if (buf == NULL) {
WL_ERR(("%s(%d): MALLOC failed\n", __FUNCTION__, __LINE__));
goto error;
}
if (mode == WL_MODE_AP) {
err = wldev_iovar_getbuf(dev, "sta_info", (const void*)mac,
ETHER_ADDR_LEN, buf, WLC_IOCTL_SMLEN, NULL);
if (err < 0) {
WL_ERR(("GET STA INFO failed, %d\n", err));
goto error;
}
sinfo->filled = STA_INFO_BIT(INFO_INACTIVE_TIME);
sta = (sta_info_v4_t *)buf;
if (sta->ver != WL_STA_VER_4 && sta->ver != WL_STA_VER_5) {
WL_ERR(("GET STA INFO version mismatch, %d\n", err));
return BCME_VERSION;
}
sta->len = dtoh16(sta->len);
sta->cap = dtoh16(sta->cap);
sta->flags = dtoh32(sta->flags);
sta->idle = dtoh32(sta->idle);
sta->in = dtoh32(sta->in);
sinfo->inactive_time = sta->idle * 1000;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) || defined(WL_COMPAT_WIRELESS)
if (sta->flags & WL_STA_ASSOC) {
sinfo->filled |= STA_INFO_BIT(INFO_CONNECTED_TIME);
sinfo->connected_time = sta->in;
}
WL_INFORM_MEM(("[%s] STA %s : idle time : %d sec, connected time :%d ms\n",
dev->name, bcm_ether_ntoa((const struct ether_addr *)mac, eabuf),
sinfo->inactive_time, sta->idle * 1000));
#endif // endif
} else if ((mode == WL_MODE_BSS) || (mode == WL_MODE_IBSS)) {
get_pktcnt_t pktcnt;
wl_if_stats_t *if_stats = NULL;
u8 *curmacp;
if (cfg->roam_offload) {
struct ether_addr bssid;
memset(&bssid, 0, sizeof(bssid));
err = wldev_ioctl_get(dev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN);
if (err) {
WL_ERR(("Failed to get current BSSID\n"));
} else {
if (memcmp(mac, &bssid.octet, ETHER_ADDR_LEN) != 0) {
/* roaming is detected */
err = wl_cfg80211_delayed_roam(cfg, dev, &bssid);
if (err)
WL_ERR(("Failed to handle the delayed roam, "
"err=%d", err));
mac = (u8 *)bssid.octet;
}
}
}
dhd_assoc_state = wl_get_drv_status(cfg, CONNECTED, dev);
DHD_OS_WAKE_LOCK(dhd);
fw_assoc_state = dhd_is_associated(dhd, 0, &err);
if (dhd_assoc_state && !fw_assoc_state) {
/* check roam (join) status */
if (wl_check_assoc_state(cfg, dev)) {
fw_assoc_state = TRUE;
WL_DBG(("roam status\n"));
}
}
DHD_OS_WAKE_UNLOCK(dhd);
if (!dhd_assoc_state || !fw_assoc_state) {
WL_ERR(("NOT assoc\n"));
if (err == -ENODATA)
goto error;
if (!dhd_assoc_state) {
WL_TRACE_HW4(("drv state is not connected \n"));
}
if (!fw_assoc_state) {
WL_TRACE_HW4(("fw state is not associated \n"));
}
/* Disconnect due to fw is not associated for FW_ASSOC_WATCHDOG_TIME ms.
* 'err == 0' of dhd_is_associated() and '!fw_assoc_state'
* means that BSSID is null.
*/
if (dhd_assoc_state && !fw_assoc_state && !err) {
if (!fw_assoc_watchdog_started) {
fw_assoc_watchdog_ms = OSL_SYSUPTIME();
fw_assoc_watchdog_started = TRUE;
WL_TRACE_HW4(("fw_assoc_watchdog_started \n"));
} else {
if (OSL_SYSUPTIME() - fw_assoc_watchdog_ms >
FW_ASSOC_WATCHDOG_TIME) {
fw_assoc_watchdog_started = FALSE;
err = -ENODEV;
WL_TRACE_HW4(("fw is not associated for %d ms \n",
(OSL_SYSUPTIME() - fw_assoc_watchdog_ms)));
goto get_station_err;
}
}
}
err = -ENODEV;
goto error;
}
if (dhd_is_associated(dhd, 0, NULL)) {
fw_assoc_watchdog_started = FALSE;
}
curmacp = wl_read_prof(cfg, dev, WL_PROF_BSSID);
if (memcmp(mac, curmacp, ETHER_ADDR_LEN)) {
WL_ERR(("Wrong Mac address: "MACDBG" != "MACDBG"\n",
MAC2STRDBG(mac), MAC2STRDBG(curmacp)));
}
/* Report the current tx rate */
rate = 0;
err = wldev_ioctl_get(dev, WLC_GET_RATE, &rate, sizeof(rate));
if (err) {
WL_ERR(("Could not get rate (%d)\n", err));
} else {
#if defined(USE_DYNAMIC_MAXPKT_RXGLOM)
int rxpktglom;
#endif // endif
rate = dtoh32(rate);
sinfo->filled |= STA_INFO_BIT(INFO_TX_BITRATE);
sinfo->txrate.legacy = rate * 5;
WL_DBG(("Rate %d Mbps\n", (rate / 2)));
#if defined(USE_DYNAMIC_MAXPKT_RXGLOM)
rxpktglom = ((rate/2) > 150) ? 20 : 10;
if (maxrxpktglom != rxpktglom) {
maxrxpktglom = rxpktglom;
WL_DBG(("Rate %d Mbps, update bus:maxtxpktglom=%d\n", (rate/2),
maxrxpktglom));
err = wldev_iovar_setbuf(dev, "bus:maxtxpktglom",
(char*)&maxrxpktglom, 4, cfg->ioctl_buf,
WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
if (err < 0) {
WL_ERR(("set bus:maxtxpktglom failed, %d\n", err));
}
}
#endif // endif
}
if ((err = wl_cfg80211_get_rssi(dev, cfg, &rssi)) != BCME_OK) {
goto get_station_err;
}
#if defined(RSSIAVG)
err = wl_update_connected_rssi_cache(dev, &cfg->g_connected_rssi_cache_ctrl, &rssi);
if (err) {
WL_ERR(("Could not get rssi (%d)\n", err));
goto get_station_err;
}
wl_delete_dirty_rssi_cache(&cfg->g_connected_rssi_cache_ctrl);
wl_reset_rssi_cache(&cfg->g_connected_rssi_cache_ctrl);
#endif
#if defined(RSSIOFFSET)
rssi = wl_update_rssi_offset(dev, rssi);
#endif
#if !defined(RSSIAVG) && !defined(RSSIOFFSET)
// terence 20150419: limit the max. rssi to -2 or the bss will be filtered out in android OS
rssi = MIN(rssi, RSSI_MAXVAL);
#endif
sinfo->filled |= STA_INFO_BIT(INFO_SIGNAL);
sinfo->signal = rssi;
WL_DBG(("RSSI %d dBm\n", rssi));
if_stats = (wl_if_stats_t *)buf;
memset(if_stats, 0, sizeof(*if_stats));
if (FW_SUPPORTED(dhd, ifst)) {
err = wl_cfg80211_ifstats_counters(dev, if_stats);
} else
{
err = wldev_iovar_getbuf(dev, "if_counters", NULL, 0,
(char *)if_stats, sizeof(*if_stats), NULL);
}
if (err) {
// WL_ERR(("if_counters not supported ret=%d\n", err));
memset(&pktcnt, 0, sizeof(pktcnt));
err = wldev_ioctl_get(dev, WLC_GET_PKTCNTS, &pktcnt,
sizeof(pktcnt));
if (!err) {
sinfo->rx_packets = pktcnt.rx_good_pkt;
sinfo->rx_dropped_misc = pktcnt.rx_bad_pkt;
sinfo->tx_packets = pktcnt.tx_good_pkt;
sinfo->tx_failed = pktcnt.tx_bad_pkt;
}
} else {
sinfo->rx_packets = (uint32)dtoh64(if_stats->rxframe);
sinfo->rx_dropped_misc = 0;
sinfo->tx_packets = (uint32)dtoh64(if_stats->txfrmsnt);
sinfo->tx_failed = (uint32)dtoh64(if_stats->txnobuf) +
(uint32)dtoh64(if_stats->txrunt) +
(uint32)dtoh64(if_stats->txfail);
}
sinfo->filled |= (STA_INFO_BIT(INFO_RX_PACKETS) |
STA_INFO_BIT(INFO_RX_DROP_MISC) |
STA_INFO_BIT(INFO_TX_PACKETS) |
STA_INFO_BIT(INFO_TX_FAILED));
get_station_err:
if (err)
err_cnt++;
else
err_cnt = 0;
if (err_cnt >= 3 && (err != -ENODATA)) {
/* Disconnect due to zero BSSID or error to get RSSI */
scb_val_t scbval;
scbval.val = htod32(DOT11_RC_DISASSOC_LEAVING);
err = wldev_ioctl_set(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t));
if (unlikely(err)) {
WL_ERR(("disassoc error (%d)\n", err));
}
WL_ERR(("force cfg80211_disconnected: %d\n", err));
wl_clr_drv_status(cfg, CONNECTED, dev);
CFG80211_DISCONNECTED(dev, 0, NULL, 0, false, GFP_KERNEL);
wl_link_down(cfg);
}
}
else {
WL_ERR(("Invalid device mode %d\n", wl_get_mode_by_netdev(cfg, dev)));
}
error:
if (buf) {
MFREE(cfg->osh, buf, MAX(sizeof(wl_if_stats_t), WLC_IOCTL_SMLEN));
}
return err;
}
static s32
wl_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
bool enabled, s32 timeout)
{
s32 pm;
s32 err = 0;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct net_info *_net_info = wl_get_netinfo_by_netdev(cfg, dev);
s32 mode;
#ifdef RTT_SUPPORT
rtt_status_info_t *rtt_status;
#endif /* RTT_SUPPORT */
dhd_pub_t *dhd = cfg->pub;
RETURN_EIO_IF_NOT_UP(cfg);
WL_DBG(("Enter\n"));
mode = wl_get_mode_by_netdev(cfg, dev);
if (cfg->p2p_net == dev || _net_info == NULL ||
!wl_get_drv_status(cfg, CONNECTED, dev) ||
((mode != WL_MODE_BSS) &&
(mode != WL_MODE_IBSS))) {
return err;
}
/* Enlarge pm_enable_work */
wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_LONG);
pm = enabled ? PM_FAST : PM_OFF;
if (_net_info->pm_block) {
WL_ERR(("%s:Do not enable the power save for pm_block %d\n",
dev->name, _net_info->pm_block));
pm = PM_OFF;
}
if (enabled && dhd_conf_get_pm(dhd) >= 0)
pm = dhd_conf_get_pm(dhd);
pm = htod32(pm);
WL_DBG(("%s:power save %s\n", dev->name, (pm ? "enabled" : "disabled")));
#ifdef RTT_SUPPORT
rtt_status = GET_RTTSTATE(dhd);
if (rtt_status->status != RTT_ENABLED) {
#endif /* RTT_SUPPORT */
err = wldev_ioctl_set(dev, WLC_SET_PM, &pm, sizeof(pm));
if (unlikely(err)) {
if (err == -ENODEV)
WL_DBG(("net_device is not ready yet\n"));
else
WL_ERR(("error (%d)\n", err));
return err;
}
#ifdef RTT_SUPPORT
}
#endif /* RTT_SUPPORT */
wl_cfg80211_update_power_mode(dev);
return err;
}
void wl_cfg80211_update_power_mode(struct net_device *dev)
{
int err, pm = -1;
err = wldev_ioctl_get(dev, WLC_GET_PM, &pm, sizeof(pm));
if (err)
WL_ERR(("%s:error (%d)\n", __FUNCTION__, err));
else if (pm != -1 && dev->ieee80211_ptr)
dev->ieee80211_ptr->ps = (pm == PM_OFF) ? false : true;
}
void wl_cfg80211_set_passive_scan(struct net_device *dev, char *command)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
if (strcmp(command, "SCAN-ACTIVE") == 0) {
cfg->active_scan = 1;
} else if (strcmp(command, "SCAN-PASSIVE") == 0) {
cfg->active_scan = 0;
} else
WL_ERR(("Unknown command \n"));
return;
}
static __used u32 wl_find_msb(u16 bit16)
{
u32 ret = 0;
if (bit16 & 0xff00) {
ret += 8;
bit16 >>= 8;
}
if (bit16 & 0xf0) {
ret += 4;
bit16 >>= 4;
}
if (bit16 & 0xc) {
ret += 2;
bit16 >>= 2;
}
if (bit16 & 2)
ret += bit16 & 2;
else if (bit16)
ret += bit16;
return ret;
}
static s32 wl_cfg80211_resume(struct wiphy *wiphy)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
s32 err = BCME_OK;
if (unlikely(!wl_get_drv_status(cfg, READY, ndev))) {
WL_INFORM_MEM(("device is not ready\n"));
return err;
}
return err;
}
static s32
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS)
wl_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow)
#else
wl_cfg80211_suspend(struct wiphy *wiphy)
#endif // endif
{
s32 err = BCME_OK;
#ifdef DHD_CLEAR_ON_SUSPEND
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct net_info *iter, *next;
struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
unsigned long flags;
if (unlikely(!wl_get_drv_status(cfg, READY, ndev))) {
WL_INFORM_MEM(("device is not ready : status (%d)\n",
(int)cfg->status));
return err;
}
for_each_ndev(cfg, iter, next) {
/* p2p discovery iface doesn't have a ndev associated with it (for kernel > 3.8) */
if (iter->ndev)
wl_set_drv_status(cfg, SCAN_ABORTING, iter->ndev);
}
spin_lock_irqsave(&cfg->cfgdrv_lock, flags);
if (cfg->scan_request) {
wl_notify_scan_done(cfg, true);
cfg->scan_request = NULL;
}
for_each_ndev(cfg, iter, next) {
if (iter->ndev) {
wl_clr_drv_status(cfg, SCANNING, iter->ndev);
wl_clr_drv_status(cfg, SCAN_ABORTING, iter->ndev);
}
}
spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags);
for_each_ndev(cfg, iter, next) {
if (iter->ndev) {
if (wl_get_drv_status(cfg, CONNECTING, iter->ndev)) {
wl_bss_connect_done(cfg, iter->ndev, NULL, NULL, false);
}
}
}
#endif /* DHD_CLEAR_ON_SUSPEND */
return err;
}
static s32
wl_update_pmklist(struct net_device *dev, struct wl_pmk_list *pmk_list,
s32 err)
{
int i, j;
u8 ioctl_buf[WLC_IOCTL_SMLEN];
wl_wlc_version_t* cur_wl_ver = NULL;
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
struct net_device *primary_dev = bcmcfg_to_prmry_ndev(cfg);
int npmkids = (cfg->pmk_list->pmkids.length - (sizeof(u16)*2)) / sizeof(pmkid_v2_t);
uint16 wlc_ver = 0;
ASSERT(cfg->pmk_list->pmkids.length >= (sizeof(u16)*2));
if (!pmk_list) {
WL_ERR(("pmk_list is NULL\n"));
return -EINVAL;
}
/* pmk list is supported only for STA interface i.e. primary interface
* Refer code wlc_bsscfg.c->wlc_bsscfg_sta_init
*/
if (primary_dev != dev) {
WL_INFORM_MEM(("Not supporting Flushing pmklist on virtual"
" interfaces than primary interface\n"));
return err;
}
WL_DBG(("No of elements %d\n", npmkids));
for (i = 0; i < npmkids; i++) {
WL_DBG(("PMKID[%d]: %pM =\n", i,
&pmk_list->pmkids.pmkid[i].BSSID));
for (j = 0; j < WPA2_PMKID_LEN; j++) {
WL_DBG(("%02x\n", pmk_list->pmkids.pmkid[i].PMKID[j]));
}
}
/* Check version first */
err = wldev_iovar_getbuf(dev, "wlc_ver", NULL, 0,
ioctl_buf, sizeof(ioctl_buf), NULL);
if (likely(!err)) {
cur_wl_ver = (wl_wlc_version_t *)ioctl_buf;
wlc_ver = cur_wl_ver->wlc_ver_major;
}
else {
WL_DBG(("Querying version error: %d\n", err));
// return err;
}
if (wlc_ver >= WL_MIN_PMKID_LIST_V2_FW_MAJOR) {
pmk_list->pmkids.version = PMKID_LIST_VER_2;
err = wldev_iovar_setbuf(dev, "pmkid_info", (char *)pmk_list,
sizeof(*pmk_list), cfg->ioctl_buf,
WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
}
else {
u32 v1_list_size = sizeof(pmkid_list_v1_t) + npmkids*sizeof(pmkid_v1_t);
pmkid_list_v1_t *pmkid_v1_list = (pmkid_list_v1_t *)MALLOCZ(cfg->osh, v1_list_size);
if (pmkid_v1_list == NULL) {
WL_ERR(("failed to allocate pmkid list\n"));
return BCME_NOMEM;
}
for (i = 0; i < npmkids; i++) {
memcpy(&pmkid_v1_list->pmkid[i].BSSID, &pmk_list->pmkids.pmkid[i].BSSID,
ETHER_ADDR_LEN);
memcpy(pmkid_v1_list->pmkid[i].PMKID, pmk_list->pmkids.pmkid[i].PMKID,
WPA2_PMKID_LEN);
pmkid_v1_list->npmkid++;
}
err = wldev_iovar_setbuf(dev, "pmkid_info", (char *)pmkid_v1_list,
v1_list_size, cfg->ioctl_buf,
WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
if (unlikely(err)) {
WL_ERR(("pmkid_info failed (%d)\n", err));
}
MFREE(cfg->osh, pmkid_v1_list, v1_list_size);
}
return err;
}
static s32
wl_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_pmksa *pmksa)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
s32 err = 0;
int i;
int npmkids = (cfg->pmk_list->pmkids.length - (sizeof(uint16) * 2)) / sizeof(pmkid_v2_t);
RETURN_EIO_IF_NOT_UP(cfg);
for (i = 0; i < npmkids; i++) {
if (pmksa->bssid != NULL) {
if (!memcmp(pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID,
ETHER_ADDR_LEN))
break;
}
#ifdef WL_FILS
else if (pmksa->ssid != NULL) {
if (!memcmp(pmksa->ssid, &cfg->pmk_list->pmkids.pmkid[i].ssid.ssid,
pmksa->ssid_len))
break;
}
#endif /* WL_FILS */
}
if (i < WL_NUM_PMKIDS_MAX) {
if (pmksa->bssid != NULL) {
memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID, pmksa->bssid,
ETHER_ADDR_LEN);
}
#ifdef WL_FILS
else if (pmksa->ssid != NULL) {
cfg->pmk_list->pmkids.pmkid[i].pmk_len = pmksa->pmk_len;
memcpy(&cfg->pmk_list->pmkids.pmkid[i].pmk, pmksa->pmk,
pmksa->pmk_len);
cfg->pmk_list->pmkids.pmkid[i].ssid.ssid_len = pmksa->ssid_len;
memcpy(&cfg->pmk_list->pmkids.pmkid[i].ssid.ssid, pmksa->ssid,
pmksa->ssid_len);
memcpy(&cfg->pmk_list->pmkids.pmkid[i].fils_cache_id, pmksa->cache_id,
FILS_CACHE_ID_LEN);
}
#endif /* WL_FILS */
memcpy(cfg->pmk_list->pmkids.pmkid[i].PMKID, pmksa->pmkid,
WPA2_PMKID_LEN);
cfg->pmk_list->pmkids.pmkid[i].length = PMKID_ELEM_V2_LENGTH;
if (i == npmkids) {
cfg->pmk_list->pmkids.length += sizeof(pmkid_v2_t);
}
} else {
err = -EINVAL;
}
#if (WL_DBG_LEVEL > 0)
if (pmksa->bssid != NULL) {
WL_DBG(("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
&cfg->pmk_list->pmkids.pmkid[npmkids - 1].BSSID));
}
for (i = 0; i < WPA2_PMKID_LEN; i++) {
WL_DBG(("%02x\n",
cfg->pmk_list->pmkids.pmkid[npmkids - 1].
PMKID[i]));
}
#endif /* (WL_DBG_LEVEL > 0) */
err = wl_update_pmklist(dev, cfg->pmk_list, err);
return err;
}
static s32
wl_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_pmksa *pmksa)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
s32 err = 0;
int i;
int npmkids = (cfg->pmk_list->pmkids.length - sizeof(uint16)*2) / sizeof(pmkid_v2_t);
RETURN_EIO_IF_NOT_UP(cfg);
#if (WL_DBG_LEVEL > 0)
if (pmksa->bssid) {
WL_DBG(("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
pmksa->bssid));
}
#ifdef WL_FILS
else if (pmksa->ssid) {
WL_DBG(("FILS: del_pmksa for ssid: "));
for (i = 0; i < pmksa->ssid_len; i++) {
WL_DBG(("%c", pmksa->ssid[i]));
}
WL_DBG(("\n"));
}
#endif /* WL_FILS */
for (i = 0; i < WPA2_PMKID_LEN; i++) {
WL_DBG(("%02x\n", pmksa->pmkid[i]));
}
#endif /* (WL_DBG_LEVEL > 0) */
for (i = 0; i < npmkids; i++) {
if (pmksa->bssid) {
if (!memcmp
(pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID,
ETHER_ADDR_LEN)) {
break;
}
}
#ifdef WL_FILS
else if (pmksa->ssid) {
if (!memcmp
(pmksa->ssid, &cfg->pmk_list->pmkids.pmkid[i].ssid.ssid,
pmksa->ssid_len)) {
break;
}
}
#endif /* WL_FILS */
}
if ((npmkids > 0) && (i < npmkids)) {
memset(&cfg->pmk_list->pmkids.pmkid[i], 0, sizeof(pmkid_v2_t));
for (; i < (npmkids - 1); i++) {
memcpy(&cfg->pmk_list->pmkids.pmkid[i],
&cfg->pmk_list->pmkids.pmkid[i + 1],
sizeof(pmkid_v2_t));
}
npmkids--;
cfg->pmk_list->pmkids.length -= sizeof(pmkid_v2_t);
} else {
err = -EINVAL;
}
err = wl_update_pmklist(dev, cfg->pmk_list, err);
return err;
}
static s32
wl_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *dev)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
s32 err = 0;
RETURN_EIO_IF_NOT_UP(cfg);
memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list));
cfg->pmk_list->pmkids.length = sizeof(pmkid_list_v2_t) - sizeof(pmkid_v2_t);
cfg->pmk_list->pmkids.version = PMKID_LIST_VER_2;
err = wl_update_pmklist(dev, cfg->pmk_list, err);
return err;
}
static wl_scan_params_t *
wl_cfg80211_scan_alloc_params(struct bcm_cfg80211 *cfg, int channel, int nprobes,
int *out_params_size)
{
wl_scan_params_t *params;
int params_size;
int num_chans;
*out_params_size = 0;
/* Our scan params only need space for 1 channel and 0 ssids */
params_size = WL_SCAN_PARAMS_FIXED_SIZE + 1 * sizeof(uint16);
params = (wl_scan_params_t *)MALLOCZ(cfg->osh, params_size);
if (params == NULL) {
WL_ERR(("mem alloc failed (%d bytes)\n", params_size));
return params;
}
memset(params, 0, params_size);
params->nprobes = nprobes;
num_chans = (channel == 0) ? 0 : 1;
memcpy(&params->bssid, &ether_bcast, ETHER_ADDR_LEN);
params->bss_type = DOT11_BSSTYPE_ANY;
params->scan_type = DOT11_SCANTYPE_ACTIVE;
params->nprobes = htod32(1);
params->active_time = htod32(-1);
params->passive_time = htod32(-1);
params->home_time = htod32(10);
if (channel == -1)
params->channel_list[0] = htodchanspec(channel);
else
params->channel_list[0] = wl_ch_host_to_driver(channel);
/* Our scan params have 1 channel and 0 ssids */
params->channel_num = htod32((0 << WL_SCAN_PARAMS_NSSID_SHIFT) |
(num_chans & WL_SCAN_PARAMS_COUNT_MASK));
*out_params_size = params_size; /* rtn size to the caller */
return params;
}
static s32
#if defined(WL_CFG80211_P2P_DEV_IF)
wl_cfg80211_remain_on_channel(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev,
struct ieee80211_channel *channel, unsigned int duration, u64 *cookie)
#else
wl_cfg80211_remain_on_channel(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev,
struct ieee80211_channel * channel,
enum nl80211_channel_type channel_type,
unsigned int duration, u64 *cookie)
#endif /* WL_CFG80211_P2P_DEV_IF */
{
s32 target_channel;
u32 id;
s32 err = BCME_OK;
struct ether_addr primary_mac;
struct net_device *ndev = NULL;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
#ifdef DHD_IFDEBUG
PRINT_WDEV_INFO(cfgdev);
#endif /* DHD_IFDEBUG */
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
#ifdef WL_NAN
if (wl_cfgnan_check_state(cfg)) {
WL_ERR(("nan is enabled, nan + p2p concurrency not supported\n"));
return BCME_UNSUPPORTED;
}
#endif /* WL_NAN */
mutex_lock(&cfg->usr_sync);
WL_DBG(("Enter, channel: %d, duration ms (%d) SCANNING ?? %s \n",
ieee80211_frequency_to_channel(channel->center_freq),
duration, (wl_get_drv_status(cfg, SCANNING, ndev)) ? "YES":"NO"));
if (!cfg->p2p) {
WL_ERR(("cfg->p2p is not initialized\n"));
err = BCME_ERROR;
goto exit;
}
#ifdef P2P_LISTEN_OFFLOADING
if (wl_get_p2p_status(cfg, DISC_IN_PROGRESS)) {
WL_ERR(("P2P_FIND: Discovery offload is in progress\n"));
err = -EAGAIN;
goto exit;
}
#endif /* P2P_LISTEN_OFFLOADING */
#ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
if (wl_get_drv_status_all(cfg, SCANNING)) {
wl_notify_escan_complete(cfg, cfg->escan_info.ndev, true, true);
}
#endif /* not WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */
target_channel = ieee80211_frequency_to_channel(channel->center_freq);
memcpy(&cfg->remain_on_chan, channel, sizeof(struct ieee80211_channel));
#if defined(WL_ENABLE_P2P_IF)
cfg->remain_on_chan_type = channel_type;
#endif /* WL_ENABLE_P2P_IF */
id = ++cfg->last_roc_id;
if (id == 0)
id = ++cfg->last_roc_id;
*cookie = id;
#ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
if (wl_get_drv_status(cfg, SCANNING, ndev)) {
struct timer_list *_timer;
WL_DBG(("scan is running. go to fake listen state\n"));
if (duration > LONG_LISTEN_TIME) {
wl_cfg80211_scan_abort(cfg);
} else {
wl_set_drv_status(cfg, FAKE_REMAINING_ON_CHANNEL, ndev);
if (timer_pending(&cfg->p2p->listen_timer)) {
WL_DBG(("cancel current listen timer \n"));
del_timer_sync(&cfg->p2p->listen_timer);
}
_timer = &cfg->p2p->listen_timer;
wl_clr_p2p_status(cfg, LISTEN_EXPIRED);
INIT_TIMER(_timer, wl_cfgp2p_listen_expired, duration, 0);
err = BCME_OK;
goto exit;
}
}
#endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */
#ifdef WL_BCNRECV
/* check fakeapscan in progress then abort */
wl_android_bcnrecv_stop(ndev, WL_BCNRECV_LISTENBUSY);
#endif /* WL_BCNRECV */
#ifdef WL_CFG80211_SYNC_GON
if (wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM_LISTEN)) {
/* do not enter listen mode again if we are in listen mode already for next af.
* remain on channel completion will be returned by waiting next af completion.
*/
#ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
wl_set_drv_status(cfg, FAKE_REMAINING_ON_CHANNEL, ndev);
#else
wl_set_drv_status(cfg, REMAINING_ON_CHANNEL, ndev);
#endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */
goto exit;
}
#endif /* WL_CFG80211_SYNC_GON */
if (cfg->p2p && !cfg->p2p->on) {
/* In case of p2p_listen command, supplicant send remain_on_channel
* without turning on P2P
*/
get_primary_mac(cfg, &primary_mac);
wl_cfgp2p_generate_bss_mac(cfg, &primary_mac);
p2p_on(cfg) = true;
}
if (p2p_is_on(cfg)) {
err = wl_cfgp2p_enable_discovery(cfg, ndev, NULL, 0);
if (unlikely(err)) {
goto exit;
}
#ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
wl_set_drv_status(cfg, REMAINING_ON_CHANNEL, ndev);
#endif /* not WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */
err = wl_cfgp2p_discover_listen(cfg, target_channel, duration);
#ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
if (err == BCME_OK) {
wl_set_drv_status(cfg, REMAINING_ON_CHANNEL, ndev);
} else {
/* if failed, firmware may be internal scanning state.
* so other scan request shall not abort it
*/
wl_set_drv_status(cfg, FAKE_REMAINING_ON_CHANNEL, ndev);
}
#endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */
if (err) {
wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL);
}
/* WAR: set err = ok to prevent cookie mismatch in wpa_supplicant
* and expire timer will send a completion to the upper layer
*/
err = BCME_OK;
}
exit:
if (err == BCME_OK) {
WL_DBG(("Success\n"));
#if defined(WL_CFG80211_P2P_DEV_IF)
cfg80211_ready_on_channel(cfgdev, *cookie, channel,
duration, GFP_KERNEL);
#else
cfg80211_ready_on_channel(cfgdev, *cookie, channel,
channel_type, duration, GFP_KERNEL);
#endif /* WL_CFG80211_P2P_DEV_IF */
} else {
WL_ERR(("Fail to Set (err=%d cookie:%llu)\n", err, *cookie));
}
mutex_unlock(&cfg->usr_sync);
return err;
}
static s32
wl_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
bcm_struct_cfgdev *cfgdev, u64 cookie)
{
s32 err = 0;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
#ifdef P2PLISTEN_AP_SAMECHN
struct net_device *dev;
#endif /* P2PLISTEN_AP_SAMECHN */
RETURN_EIO_IF_NOT_UP(cfg);
#ifdef DHD_IFDEBUG
PRINT_WDEV_INFO(cfgdev);
#endif /* DHD_IFDEBUG */
#if defined(WL_CFG80211_P2P_DEV_IF)
if (cfgdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
WL_DBG((" enter ) on P2P dedicated discover interface\n"));
}
#else
WL_DBG((" enter ) netdev_ifidx: %d \n", cfgdev->ifindex));
#endif /* WL_CFG80211_P2P_DEV_IF */
#ifdef P2PLISTEN_AP_SAMECHN
if (cfg && cfg->p2p_resp_apchn_status) {
dev = bcmcfg_to_prmry_ndev(cfg);
wl_cfg80211_set_p2p_resp_ap_chn(dev, 0);
cfg->p2p_resp_apchn_status = false;
WL_DBG(("p2p_resp_apchn_status Turn OFF \n"));
}
#endif /* P2PLISTEN_AP_SAMECHN */
if (cfg->last_roc_id == cookie) {
wl_cfgp2p_set_p2p_mode(cfg, WL_P2P_DISC_ST_SCAN, 0, 0,
wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE));
} else {
WL_ERR(("%s : ignore, request cookie(%llu) is not matched. (cur : %llu)\n",
__FUNCTION__, cookie, cfg->last_roc_id));
}
return err;
}
static void
wl_cfg80211_afx_handler(struct work_struct *work)
{
struct afx_hdl *afx_instance;
struct bcm_cfg80211 *cfg;
s32 ret = BCME_OK;
BCM_SET_CONTAINER_OF(afx_instance, work, struct afx_hdl, work);
if (afx_instance) {
cfg = wl_get_cfg(afx_instance->dev);
if (cfg != NULL && cfg->afx_hdl->is_active) {
if (cfg->afx_hdl->is_listen && cfg->afx_hdl->my_listen_chan) {
ret = wl_cfgp2p_discover_listen(cfg, cfg->afx_hdl->my_listen_chan,
(100 * (1 + (RANDOM32() % 3)))); /* 100ms ~ 300ms */
} else {
ret = wl_cfgp2p_act_frm_search(cfg, cfg->afx_hdl->dev,
cfg->afx_hdl->bssidx, cfg->afx_hdl->peer_listen_chan,
NULL);
}
if (unlikely(ret != BCME_OK)) {
WL_ERR(("ERROR occurred! returned value is (%d)\n", ret));
if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL))
complete(&cfg->act_frm_scan);
}
}
}
}
static s32
wl_cfg80211_af_searching_channel(struct bcm_cfg80211 *cfg, struct net_device *dev)
{
u32 max_retry = WL_CHANNEL_SYNC_RETRY;
bool is_p2p_gas = false;
if (dev == NULL)
return -1;
WL_DBG((" enter ) \n"));
wl_set_drv_status(cfg, FINDING_COMMON_CHANNEL, dev);
cfg->afx_hdl->is_active = TRUE;
if (cfg->afx_hdl->pending_tx_act_frm) {
wl_action_frame_t *action_frame;
action_frame = &(cfg->afx_hdl->pending_tx_act_frm->action_frame);
if (wl_cfgp2p_is_p2p_gas_action(action_frame->data, action_frame->len))
is_p2p_gas = true;
}
/* Loop to wait until we find a peer's channel or the
* pending action frame tx is cancelled.
*/
while ((cfg->afx_hdl->retry < max_retry) &&
(cfg->afx_hdl->peer_chan == WL_INVALID)) {
cfg->afx_hdl->is_listen = FALSE;
wl_set_drv_status(cfg, SCANNING, dev);
WL_DBG(("Scheduling the action frame for sending.. retry %d\n",
cfg->afx_hdl->retry));
/* search peer on peer's listen channel */
schedule_work(&cfg->afx_hdl->work);
wait_for_completion_timeout(&cfg->act_frm_scan,
msecs_to_jiffies(WL_AF_SEARCH_TIME_MAX));
if ((cfg->afx_hdl->peer_chan != WL_INVALID) ||
!(wl_get_drv_status(cfg, FINDING_COMMON_CHANNEL, dev)))
break;
if (is_p2p_gas)
break;
if (cfg->afx_hdl->my_listen_chan) {
WL_DBG(("Scheduling Listen peer in my listen channel = %d\n",
cfg->afx_hdl->my_listen_chan));
/* listen on my listen channel */
cfg->afx_hdl->is_listen = TRUE;
schedule_work(&cfg->afx_hdl->work);
wait_for_completion_timeout(&cfg->act_frm_scan,
msecs_to_jiffies(WL_AF_SEARCH_TIME_MAX));
}
if ((cfg->afx_hdl->peer_chan != WL_INVALID) ||
!(wl_get_drv_status(cfg, FINDING_COMMON_CHANNEL, dev)))
break;
cfg->afx_hdl->retry++;
WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(cfg);
}
cfg->afx_hdl->is_active = FALSE;
wl_clr_drv_status(cfg, SCANNING, dev);
wl_clr_drv_status(cfg, FINDING_COMMON_CHANNEL, dev);
return (cfg->afx_hdl->peer_chan);
}
struct p2p_config_af_params {
s32 max_tx_retry; /* max tx retry count if tx no ack */
#ifdef WL_CFG80211_GON_COLLISION
/* drop tx go nego request if go nego collision occurs */
bool drop_tx_req;
#endif // endif
#ifdef WL_CFG80211_SYNC_GON
bool extra_listen;
#endif // endif
bool search_channel; /* 1: search peer's channel to send af */
};
static s32
wl_cfg80211_config_p2p_pub_af_tx(struct wiphy *wiphy,
wl_action_frame_t *action_frame, wl_af_params_t *af_params,
struct p2p_config_af_params *config_af_params)
{
s32 err = BCME_OK;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
wifi_p2p_pub_act_frame_t *act_frm =
(wifi_p2p_pub_act_frame_t *) (action_frame->data);
/* initialize default value */
#ifdef WL_CFG80211_GON_COLLISION
config_af_params->drop_tx_req = false;
#endif // endif
#ifdef WL_CFG80211_SYNC_GON
config_af_params->extra_listen = true;
#endif // endif
config_af_params->search_channel = false;
config_af_params->max_tx_retry = WL_AF_TX_MAX_RETRY;
cfg->next_af_subtype = P2P_PAF_SUBTYPE_INVALID;
switch (act_frm->subtype) {
case P2P_PAF_GON_REQ: {
WL_DBG(("P2P: GO_NEG_PHASE status set \n"));
wl_set_p2p_status(cfg, GO_NEG_PHASE);
config_af_params->search_channel = true;
cfg->next_af_subtype = act_frm->subtype + 1;
/* increase dwell time to wait for RESP frame */
af_params->dwell_time = WL_MED_DWELL_TIME;
#ifdef WL_CFG80211_GON_COLLISION
config_af_params->drop_tx_req = true;
#endif /* WL_CFG80211_GON_COLLISION */
break;
}
case P2P_PAF_GON_RSP: {
cfg->next_af_subtype = act_frm->subtype + 1;
/* increase dwell time to wait for CONF frame */
af_params->dwell_time = WL_MED_DWELL_TIME + 100;
break;
}
case P2P_PAF_GON_CONF: {
/* If we reached till GO Neg confirmation reset the filter */
WL_DBG(("P2P: GO_NEG_PHASE status cleared \n"));
wl_clr_p2p_status(cfg, GO_NEG_PHASE);
/* minimize dwell time */
af_params->dwell_time = WL_MIN_DWELL_TIME;
#ifdef WL_CFG80211_GON_COLLISION
/* if go nego formation done, clear it */
cfg->block_gon_req_tx_count = 0;
cfg->block_gon_req_rx_count = 0;
#endif /* WL_CFG80211_GON_COLLISION */
#ifdef WL_CFG80211_SYNC_GON
config_af_params->extra_listen = false;
#endif /* WL_CFG80211_SYNC_GON */
break;
}
case P2P_PAF_INVITE_REQ: {
config_af_params->search_channel = true;
cfg->next_af_subtype = act_frm->subtype + 1;
/* increase dwell time */
af_params->dwell_time = WL_MED_DWELL_TIME;
break;
}
case P2P_PAF_INVITE_RSP:
/* minimize dwell time */
af_params->dwell_time = WL_MIN_DWELL_TIME;
#ifdef WL_CFG80211_SYNC_GON
config_af_params->extra_listen = false;
#endif /* WL_CFG80211_SYNC_GON */
break;
case P2P_PAF_DEVDIS_REQ: {
if (IS_ACTPUB_WITHOUT_GROUP_ID(&act_frm->elts[0],
action_frame->len)) {
config_af_params->search_channel = true;
}
cfg->next_af_subtype = act_frm->subtype + 1;
/* maximize dwell time to wait for RESP frame */
af_params->dwell_time = WL_LONG_DWELL_TIME;
break;
}
case P2P_PAF_DEVDIS_RSP:
/* minimize dwell time */
af_params->dwell_time = WL_MIN_DWELL_TIME;
#ifdef WL_CFG80211_SYNC_GON
config_af_params->extra_listen = false;
#endif /* WL_CFG80211_SYNC_GON */
break;
case P2P_PAF_PROVDIS_REQ: {
if (IS_ACTPUB_WITHOUT_GROUP_ID(&act_frm->elts[0],
action_frame->len)) {
config_af_params->search_channel = true;
}
cfg->next_af_subtype = act_frm->subtype + 1;
/* increase dwell time to wait for RESP frame */
af_params->dwell_time = WL_MED_DWELL_TIME;
break;
}
case P2P_PAF_PROVDIS_RSP: {
cfg->next_af_subtype = P2P_PAF_GON_REQ;
af_params->dwell_time = WL_MED_DWELL_TIME;
#ifdef WL_CFG80211_SYNC_GON
config_af_params->extra_listen = false;
#endif /* WL_CFG80211_SYNC_GON */
break;
}
default:
WL_DBG(("Unknown p2p pub act frame subtype: %d\n",
act_frm->subtype));
err = BCME_BADARG;
}
return err;
}
#ifdef WL11U
static bool
wl_cfg80211_check_DFS_channel(struct bcm_cfg80211 *cfg, wl_af_params_t *af_params,
void *frame, u16 frame_len)
{
struct wl_scan_results *bss_list;
wl_bss_info_t *bi = NULL;
bool result = false;
s32 i;
chanspec_t chanspec;
/* If DFS channel is 52~148, check to block it or not */
if (af_params &&
(af_params->channel >= 52 && af_params->channel <= 148)) {
if (!wl_cfgp2p_is_p2p_action(frame, frame_len)) {
bss_list = cfg->bss_list;
bi = next_bss(bss_list, bi);
for_each_bss(bss_list, bi, i) {
chanspec = wl_chspec_driver_to_host(bi->chanspec);
if (CHSPEC_IS5G(chanspec) &&
((bi->ctl_ch ? bi->ctl_ch : CHSPEC_CHANNEL(chanspec))
== af_params->channel)) {
result = true; /* do not block the action frame */
break;
}
}
}
}
else {
result = true;
}
WL_DBG(("result=%s", result?"true":"false"));
return result;
}
#endif /* WL11U */
static bool
wl_cfg80211_check_dwell_overflow(int32 requested_dwell, ulong dwell_jiffies)
{
if ((requested_dwell & CUSTOM_RETRY_MASK) &&
(jiffies_to_msecs(jiffies - dwell_jiffies) >
(requested_dwell & ~CUSTOM_RETRY_MASK))) {
WL_ERR(("Action frame TX retry time over dwell time!\n"));
return true;
}
return false;
}
static bool
wl_cfg80211_send_action_frame(struct wiphy *wiphy, struct net_device *dev,
bcm_struct_cfgdev *cfgdev, wl_af_params_t *af_params,
wl_action_frame_t *action_frame, u16 action_frame_len, s32 bssidx)
{
#ifdef WL11U
struct net_device *ndev = NULL;
#endif /* WL11U */
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
bool ack = false;
u8 category, action;
s32 tx_retry;
struct p2p_config_af_params config_af_params;
struct net_info *netinfo;
#ifdef VSDB
ulong off_chan_started_jiffies = 0;
#endif // endif
ulong dwell_jiffies = 0;
bool dwell_overflow = false;
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
int32 requested_dwell = af_params->dwell_time;
/* Add the default dwell time
* Dwell time to stay off-channel to wait for a response action frame
* after transmitting an GO Negotiation action frame
*/
af_params->dwell_time = WL_DWELL_TIME;
#ifdef WL11U
#if defined(WL_CFG80211_P2P_DEV_IF)
ndev = dev;
#else
ndev = ndev_to_cfgdev(cfgdev);
#endif /* WL_CFG80211_P2P_DEV_IF */
#endif /* WL11U */
category = action_frame->data[DOT11_ACTION_CAT_OFF];
action = action_frame->data[DOT11_ACTION_ACT_OFF];
/* initialize variables */
tx_retry = 0;
cfg->next_af_subtype = P2P_PAF_SUBTYPE_INVALID;
config_af_params.max_tx_retry = WL_AF_TX_MAX_RETRY;
config_af_params.search_channel = false;
#ifdef WL_CFG80211_GON_COLLISION
config_af_params.drop_tx_req = false;
#endif // endif
#ifdef WL_CFG80211_SYNC_GON
config_af_params.extra_listen = false;
#endif // endif
/* config parameters */
/* Public Action Frame Process - DOT11_ACTION_CAT_PUBLIC */
if (category == DOT11_ACTION_CAT_PUBLIC) {
if ((action == P2P_PUB_AF_ACTION) &&
(action_frame_len >= sizeof(wifi_p2p_pub_act_frame_t))) {
/* p2p public action frame process */
if (BCME_OK != wl_cfg80211_config_p2p_pub_af_tx(wiphy,
action_frame, af_params, &config_af_params)) {
WL_DBG(("Unknown subtype.\n"));
}
#ifdef WL_CFG80211_GON_COLLISION
if (config_af_params.drop_tx_req) {
if (cfg->block_gon_req_tx_count) {
/* drop gon req tx action frame */
WL_DBG(("Drop gon req tx action frame: count %d\n",
cfg->block_gon_req_tx_count));
goto exit;
}
}
#endif /* WL_CFG80211_GON_COLLISION */
} else if (action_frame_len >= sizeof(wifi_p2psd_gas_pub_act_frame_t)) {
/* service discovery process */
if (action == P2PSD_ACTION_ID_GAS_IREQ ||
action == P2PSD_ACTION_ID_GAS_CREQ) {
/* configure service discovery query frame */
config_af_params.search_channel = true;
/* save next af suptype to cancel remained dwell time */
cfg->next_af_subtype = action + 1;
af_params->dwell_time = WL_MED_DWELL_TIME;
if (requested_dwell & CUSTOM_RETRY_MASK) {
config_af_params.max_tx_retry =
(requested_dwell & CUSTOM_RETRY_MASK) >> 24;
af_params->dwell_time =
(requested_dwell & ~CUSTOM_RETRY_MASK);
WL_DBG(("Custom retry(%d) and dwell time(%d) is set.\n",
config_af_params.max_tx_retry,
af_params->dwell_time));
}
} else if (action == P2PSD_ACTION_ID_GAS_IRESP ||
action == P2PSD_ACTION_ID_GAS_CRESP) {
/* configure service discovery response frame */
af_params->dwell_time = WL_MIN_DWELL_TIME;
} else {
WL_DBG(("Unknown action type: %d\n", action));
}
} else {
WL_DBG(("Unknown Frame: category 0x%x, action 0x%x, length %d\n",
category, action, action_frame_len));
}
} else if (category == P2P_AF_CATEGORY) {
/* do not configure anything. it will be sent with a default configuration */
} else {
WL_DBG(("Unknown Frame: category 0x%x, action 0x%x\n",
category, action));
if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) {
wl_clr_drv_status(cfg, SENDING_ACT_FRM, dev);
return false;
}
}
netinfo = wl_get_netinfo_by_wdev(cfg, cfgdev_to_wdev(cfgdev));
/* validate channel and p2p ies */
if (config_af_params.search_channel && IS_P2P_SOCIAL(af_params->channel) &&
netinfo && netinfo->bss.ies.probe_req_ie_len) {
config_af_params.search_channel = true;
} else {
config_af_params.search_channel = false;
}
#ifdef WL11U
if (ndev == bcmcfg_to_prmry_ndev(cfg))
config_af_params.search_channel = false;
#endif /* WL11U */
#ifdef VSDB
/* if connecting on primary iface, sleep for a while before sending af tx for VSDB */
if (wl_get_drv_status(cfg, CONNECTING, bcmcfg_to_prmry_ndev(cfg))) {
OSL_SLEEP(50);
}
#endif // endif
/* if scan is ongoing, abort current scan. */
if (wl_get_drv_status_all(cfg, SCANNING)) {
wl_notify_escan_complete(cfg, cfg->escan_info.ndev, true, true);
}
/* Abort P2P listen */
if (discover_cfgdev(cfgdev, cfg)) {
if (cfg->p2p_supported && cfg->p2p) {
wl_cfgp2p_set_p2p_mode(cfg, WL_P2P_DISC_ST_SCAN, 0, 0,
wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE));
}
}
#ifdef WL11U
/* handling DFS channel exceptions */
if (!wl_cfg80211_check_DFS_channel(cfg, af_params, action_frame->data, action_frame->len)) {
return false; /* the action frame was blocked */
}
#endif /* WL11U */
/* set status and destination address before sending af */
if (cfg->next_af_subtype != P2P_PAF_SUBTYPE_INVALID) {
/* set this status to cancel the remained dwell time in rx process */
wl_set_drv_status(cfg, WAITING_NEXT_ACT_FRM, dev);
}
wl_set_drv_status(cfg, SENDING_ACT_FRM, dev);
memcpy(cfg->afx_hdl->tx_dst_addr.octet,
af_params->action_frame.da.octet,
sizeof(cfg->afx_hdl->tx_dst_addr.octet));
/* save af_params for rx process */
cfg->afx_hdl->pending_tx_act_frm = af_params;
if (wl_cfgp2p_is_p2p_gas_action(action_frame->data, action_frame->len)) {
WL_DBG(("Set GAS action frame config.\n"));
config_af_params.search_channel = false;
config_af_params.max_tx_retry = 1;
}
/* search peer's channel */
if (config_af_params.search_channel) {
/* initialize afx_hdl */
if ((cfg->afx_hdl->bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
goto exit;
}
cfg->afx_hdl->dev = dev;
cfg->afx_hdl->retry = 0;
cfg->afx_hdl->peer_chan = WL_INVALID;
if (wl_cfg80211_af_searching_channel(cfg, dev) == WL_INVALID) {
WL_ERR(("couldn't find peer's channel.\n"));
wl_cfgp2p_print_actframe(true, action_frame->data, action_frame->len,
af_params->channel);
/* Even if we couldn't find peer channel, try to send the frame
* out. P2P cert 5.1.14 testbed device (realtek) doesn't seem to
* respond to probe request (Ideally it has to be in listen and
* responsd to probe request). However if we send Go neg req, the
* peer is sending GO-neg resp. So instead of giving up here, just
* proceed and attempt sending out the action frame.
*/
}
wl_clr_drv_status(cfg, SCANNING, cfg->afx_hdl->dev);
/*
* Abort scan even for VSDB scenarios. Scan gets aborted in firmware
* but after the check of piggyback algorithm.
* To take care of current piggback algo, lets abort the scan here itself.
*/
wl_notify_escan_complete(cfg, dev, true, true);
/* Suspend P2P discovery's search-listen to prevent it from
* starting a scan or changing the channel.
*/
if ((wl_cfgp2p_discover_enable_search(cfg, false)) < 0) {
WL_ERR(("Can not disable discovery mode\n"));
goto exit;
}
/* update channel */
if (cfg->afx_hdl->peer_chan != WL_INVALID) {
af_params->channel = cfg->afx_hdl->peer_chan;
WL_ERR(("Attempt tx on peer listen channel:%d ",
cfg->afx_hdl->peer_chan));
} else {
WL_ERR(("Attempt tx with the channel provided by userspace."
"Channel: %d\n", af_params->channel));
}
}
#ifdef VSDB
off_chan_started_jiffies = jiffies;
#endif /* VSDB */
wl_cfgp2p_print_actframe(true, action_frame->data, action_frame->len, af_params->channel);
wl_cfgp2p_need_wait_actfrmae(cfg, action_frame->data, action_frame->len, true);
dwell_jiffies = jiffies;
/* Now send a tx action frame */
ack = wl_cfgp2p_tx_action_frame(cfg, dev, af_params, bssidx) ? false : true;
dwell_overflow = wl_cfg80211_check_dwell_overflow(requested_dwell, dwell_jiffies);
/* if failed, retry it. tx_retry_max value is configure by .... */
while ((ack == false) && (tx_retry++ < config_af_params.max_tx_retry) &&
!dwell_overflow) {
#ifdef VSDB
if (af_params->channel) {
if (jiffies_to_msecs(jiffies - off_chan_started_jiffies) >
OFF_CHAN_TIME_THRESHOLD_MS) {
WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(cfg);
off_chan_started_jiffies = jiffies;
} else
OSL_SLEEP(AF_RETRY_DELAY_TIME);
}
#endif /* VSDB */
ack = wl_cfgp2p_tx_action_frame(cfg, dev, af_params, bssidx) ?
false : true;
dwell_overflow = wl_cfg80211_check_dwell_overflow(requested_dwell, dwell_jiffies);
}
if (ack == false) {
WL_ERR(("Failed to send Action Frame(retry %d)\n", tx_retry));
}
WL_DBG(("Complete to send action frame\n"));
exit:
/* Clear SENDING_ACT_FRM after all sending af is done */
wl_clr_drv_status(cfg, SENDING_ACT_FRM, dev);
#ifdef WL_CFG80211_SYNC_GON
/* WAR: sometimes dongle does not keep the dwell time of 'actframe'.
* if we coundn't get the next action response frame and dongle does not keep
* the dwell time, go to listen state again to get next action response frame.
*/
if (ack && config_af_params.extra_listen &&
#ifdef WL_CFG80211_GON_COLLISION
!cfg->block_gon_req_tx_count &&
#endif /* WL_CFG80211_GON_COLLISION */
wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM) &&
cfg->af_sent_channel == cfg->afx_hdl->my_listen_chan) {
s32 extar_listen_time;
extar_listen_time = af_params->dwell_time -
jiffies_to_msecs(jiffies - cfg->af_tx_sent_jiffies);
if (extar_listen_time > 50) {
wl_set_drv_status(cfg, WAITING_NEXT_ACT_FRM_LISTEN, dev);
WL_DBG(("Wait more time! actual af time:%d,"
"calculated extar listen:%d\n",
af_params->dwell_time, extar_listen_time));
if (wl_cfgp2p_discover_listen(cfg, cfg->af_sent_channel,
extar_listen_time + 100) == BCME_OK) {
wait_for_completion_timeout(&cfg->wait_next_af,
msecs_to_jiffies(extar_listen_time + 100 + 300));
}
wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM_LISTEN, dev);
}
}
#endif /* WL_CFG80211_SYNC_GON */
wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, dev);
cfg->afx_hdl->pending_tx_act_frm = NULL;
if (ack) {
WL_DBG(("-- Action Frame Tx succeeded, listen chan: %d\n",
cfg->afx_hdl->my_listen_chan));
} else {
WL_ERR(("-- Action Frame Tx failed, listen chan: %d\n",
cfg->afx_hdl->my_listen_chan));
}
#ifdef WL_CFG80211_GON_COLLISION
if (cfg->block_gon_req_tx_count) {
cfg->block_gon_req_tx_count--;
/* if ack is ture, supplicant will wait more time(100ms).
* so we will return it as a success to get more time .
*/
ack = true;
}
#endif /* WL_CFG80211_GON_COLLISION */
return ack;
}
#define MAX_NUM_OF_ASSOCIATED_DEV 64
static s32
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
wl_cfg80211_mgmt_tx(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev,
struct cfg80211_mgmt_tx_params *params, u64 *cookie)
#else
wl_cfg80211_mgmt_tx(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev,
struct ieee80211_channel *channel, bool offchan,
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(3, 7, 0))
enum nl80211_channel_type channel_type,
bool channel_type_valid,
#endif /* LINUX_VERSION_CODE <= KERNEL_VERSION(3, 7, 0) */
unsigned int wait, const u8* buf, size_t len,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS)
bool no_cck,
#endif // endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) || defined(WL_COMPAT_WIRELESS)
bool dont_wait_for_ack,
#endif // endif
u64 *cookie)
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) */
{
wl_action_frame_t *action_frame;
wl_af_params_t *af_params;
scb_val_t scb_val;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
struct ieee80211_channel *channel = params->chan;
const u8 *buf = params->buf;
size_t len = params->len;
#endif // endif
const struct ieee80211_mgmt *mgmt;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct net_device *dev = NULL;
s32 err = BCME_OK;
s32 bssidx = 0;
u32 id;
bool ack = false;
s8 eabuf[ETHER_ADDR_STR_LEN];
WL_DBG(("Enter \n"));
if (len > ACTION_FRAME_SIZE) {
WL_ERR(("bad length:%zu\n", len));
return BCME_BADLEN;
}
#ifdef DHD_IFDEBUG
PRINT_WDEV_INFO(cfgdev);
#endif /* DHD_IFDEBUG */
dev = cfgdev_to_wlc_ndev(cfgdev, cfg);
if (!dev) {
WL_ERR(("dev is NULL\n"));
return -EINVAL;
}
/* set bsscfg idx for iovar (wlan0: P2PAPI_BSSCFG_PRIMARY, p2p: P2PAPI_BSSCFG_DEVICE) */
if (discover_cfgdev(cfgdev, cfg)) {
if (!cfg->p2p_supported || !cfg->p2p) {
WL_ERR(("P2P doesn't setup completed yet\n"));
return -EINVAL;
}
bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE);
}
else {
if ((bssidx = wl_get_bssidx_by_wdev(cfg, cfgdev_to_wdev(cfgdev))) < 0) {
WL_ERR(("Find p2p index failed\n"));
return BCME_ERROR;
}
}
WL_DBG(("TX target bssidx=%d\n", bssidx));
if (p2p_is_on(cfg)) {
/* Suspend P2P discovery search-listen to prevent it from changing the
* channel.
*/
if ((err = wl_cfgp2p_discover_enable_search(cfg, false)) < 0) {
WL_ERR(("Can not disable discovery mode\n"));
return -EFAULT;
}
}
*cookie = 0;
id = cfg->send_action_id++;
if (id == 0)
id = cfg->send_action_id++;
*cookie = id;
mgmt = (const struct ieee80211_mgmt *)buf;
if (ieee80211_is_mgmt(mgmt->frame_control)) {
if (ieee80211_is_probe_resp(mgmt->frame_control)) {
s32 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
s32 ie_len = len - ie_offset;
if ((dev == bcmcfg_to_prmry_ndev(cfg)) && cfg->p2p) {
bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE);
}
wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx,
VNDR_IE_PRBRSP_FLAG, (const u8 *)(buf + ie_offset), ie_len);
cfg80211_mgmt_tx_status(cfgdev, *cookie, buf, len, true, GFP_KERNEL);
#if defined(P2P_IE_MISSING_FIX)
if (!cfg->p2p_prb_noti) {
cfg->p2p_prb_noti = true;
WL_DBG(("%s: TX 802_1X Probe Response first time.\n",
__FUNCTION__));
}
#endif // endif
goto exit;
} else if (ieee80211_is_disassoc(mgmt->frame_control) ||
ieee80211_is_deauth(mgmt->frame_control)) {
char mac_buf[MAX_NUM_OF_ASSOCIATED_DEV *
sizeof(struct ether_addr) + sizeof(uint)] = {0};
int num_associated = 0;
struct maclist *assoc_maclist = (struct maclist *)mac_buf;
if (!bcmp((const uint8 *)BSSID_BROADCAST,
(const struct ether_addr *)mgmt->da, ETHER_ADDR_LEN)) {
assoc_maclist->count = MAX_NUM_OF_ASSOCIATED_DEV;
err = wldev_ioctl_get(dev, WLC_GET_ASSOCLIST,
assoc_maclist, sizeof(mac_buf));
if (err < 0)
WL_ERR(("WLC_GET_ASSOCLIST error %d\n", err));
else
num_associated = assoc_maclist->count;
}
memcpy(scb_val.ea.octet, mgmt->da, ETH_ALEN);
scb_val.val = mgmt->u.disassoc.reason_code;
err = wldev_ioctl_set(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scb_val,
sizeof(scb_val_t));
if (err < 0)
WL_ERR(("WLC_SCB_DEAUTHENTICATE_FOR_REASON error %d\n", err));
WL_ERR(("Disconnect STA : " MACDBG " scb_val.val %d\n",
MAC2STRDBG(bcm_ether_ntoa((const struct ether_addr *)mgmt->da,
eabuf)), scb_val.val));
if (num_associated > 0 && ETHER_ISBCAST(mgmt->da))
wl_delay(400);
cfg80211_mgmt_tx_status(cfgdev, *cookie, buf, len, true, GFP_KERNEL);
goto exit;
} else if (ieee80211_is_action(mgmt->frame_control)) {
/* Abort the dwell time of any previous off-channel
* action frame that may be still in effect. Sending
* off-channel action frames relies on the driver's
* scan engine. If a previous off-channel action frame
* tx is still in progress (including the dwell time),
* then this new action frame will not be sent out.
*/
/* Do not abort scan for VSDB. Scan will be aborted in firmware if necessary.
* And previous off-channel action frame must be ended before new af tx.
*/
#ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
wl_notify_escan_complete(cfg, dev, true, true);
#endif /* not WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */
}
} else {
WL_ERR(("Driver only allows MGMT packet type\n"));
goto exit;
}
af_params = (wl_af_params_t *)MALLOCZ(cfg->osh, WL_WIFI_AF_PARAMS_SIZE);
if (af_params == NULL)
{
WL_ERR(("unable to allocate frame\n"));
return -ENOMEM;
}
action_frame = &af_params->action_frame;
/* Add the packet Id */
action_frame->packetId = *cookie;
WL_DBG(("action frame %d\n", action_frame->packetId));
/* Add BSSID */
memcpy(&action_frame->da, &mgmt->da[0], ETHER_ADDR_LEN);
memcpy(&af_params->BSSID, &mgmt->bssid[0], ETHER_ADDR_LEN);
/* Add the length exepted for 802.11 header */
action_frame->len = len - DOT11_MGMT_HDR_LEN;
WL_DBG(("action_frame->len: %d\n", action_frame->len));
/* Add the channel */
af_params->channel =
ieee80211_frequency_to_channel(channel->center_freq);
/* Save listen_chan for searching common channel */
cfg->afx_hdl->peer_listen_chan = af_params->channel;
WL_DBG(("channel from upper layer %d\n", cfg->afx_hdl->peer_listen_chan));
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
af_params->dwell_time = params->wait;
#else
af_params->dwell_time = wait;
#endif // endif
memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN], action_frame->len);
ack = wl_cfg80211_send_action_frame(wiphy, dev, cfgdev, af_params,
action_frame, action_frame->len, bssidx);
cfg80211_mgmt_tx_status(cfgdev, *cookie, buf, len, ack, GFP_KERNEL);
MFREE(cfg->osh, af_params, WL_WIFI_AF_PARAMS_SIZE);
exit:
return err;
}
static void
wl_cfg80211_mgmt_frame_register(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev,
u16 frame, bool reg)
{
WL_DBG(("frame_type: %x, reg: %d\n", frame, reg));
if (frame != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
return;
return;
}
static s32
wl_cfg80211_change_bss(struct wiphy *wiphy,
struct net_device *dev,
struct bss_parameters *params)
{
s32 err = 0;
s32 ap_isolate = 0;
#ifdef PCIE_FULL_DONGLE
s32 ifidx = DHD_BAD_IF;
#endif // endif
#if defined(PCIE_FULL_DONGLE)
dhd_pub_t *dhd;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
dhd = (dhd_pub_t *)(cfg->pub);
#if defined(WL_ENABLE_P2P_IF)
if (cfg->p2p_net == dev)
dev = bcmcfg_to_prmry_ndev(cfg);
#endif
#endif // endif
if (params->use_cts_prot >= 0) {
}
if (params->use_short_preamble >= 0) {
}
if (params->use_short_slot_time >= 0) {
}
if (params->basic_rates) {
}
if (params->ap_isolate >= 0) {
ap_isolate = params->ap_isolate;
#ifdef PCIE_FULL_DONGLE
ifidx = dhd_net2idx(dhd->info, dev);
if (ifidx != DHD_BAD_IF) {
err = dhd_set_ap_isolate(dhd, ifidx, ap_isolate);
} else {
WL_ERR(("Failed to set ap_isolate\n"));
}
#else
err = wldev_iovar_setint(dev, "ap_isolate", ap_isolate);
if (unlikely(err))
{
WL_ERR(("set ap_isolate Error (%d)\n", err));
}
#endif /* PCIE_FULL_DONGLE */
}
if (params->ht_opmode >= 0) {
}
return err;
}
static s32
wl_cfg80211_set_channel(struct wiphy *wiphy, struct net_device *dev,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type)
{
s32 _chan;
chanspec_t chspec = 0;
chanspec_t fw_chspec = 0;
u32 bw = WL_CHANSPEC_BW_20;
s32 err = BCME_OK;
s32 bw_cap = 0;
struct {
u32 band;
u32 bw_cap;
} param = {0, 0};
u8 ioctl_buf[WLC_IOCTL_SMLEN];
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
#if defined(CUSTOM_SET_CPUCORE) || defined(APSTA_RESTRICTED_CHANNEL)
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
#endif /* CUSTOM_SET_CPUCORE || APSTA_RESTRICTED_CHANNEL */
dev = ndev_to_wlc_ndev(dev, cfg);
_chan = ieee80211_frequency_to_channel(chan->center_freq);
#ifdef WL_EXT_IAPSTA
_chan = wl_ext_iapsta_update_channel(dev, _chan);
#endif
WL_MSG(dev->name, "netdev_ifidx(%d), chan_type(%d) target channel(%d) \n",
dev->ifindex, channel_type, _chan);
#ifdef NOT_YET
switch (channel_type) {
case NL80211_CHAN_HT40MINUS:
/* secondary channel is below the control channel */
chspec = CH40MHZ_CHSPEC(channel, WL_CHANSPEC_CTL_SB_UPPER);
break;
case NL80211_CHAN_HT40PLUS:
/* secondary channel is above the control channel */
chspec = CH40MHZ_CHSPEC(channel, WL_CHANSPEC_CTL_SB_LOWER);
break;
default:
chspec = CH20MHZ_CHSPEC(channel);
}
#endif /* NOT_YET */
#if defined(APSTA_RESTRICTED_CHANNEL)
#define DEFAULT_2G_SOFTAP_CHANNEL 1
#define DEFAULT_5G_SOFTAP_CHANNEL 149
if (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP &&
DHD_OPMODE_STA_SOFTAP_CONCURR(dhd) &&
wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg))) {
u32 *sta_chan = (u32 *)wl_read_prof(cfg,
bcmcfg_to_prmry_ndev(cfg), WL_PROF_CHAN);
u32 sta_band = (*sta_chan > CH_MAX_2G_CHANNEL) ?
IEEE80211_BAND_5GHZ : IEEE80211_BAND_2GHZ;
if (chan->band == sta_band) {
/* Do not try SCC in 5GHz if channel is not CH149 */
_chan = (sta_band == IEEE80211_BAND_5GHZ &&
*sta_chan != DEFAULT_5G_SOFTAP_CHANNEL) ?
DEFAULT_2G_SOFTAP_CHANNEL : *sta_chan;
WL_ERR(("target channel will be changed to %d\n", _chan));
if (_chan <= CH_MAX_2G_CHANNEL) {
bw = WL_CHANSPEC_BW_20;
goto set_channel;
}
}
}
#undef DEFAULT_2G_SOFTAP_CHANNEL
#undef DEFAULT_5G_SOFTAP_CHANNEL
#endif /* APSTA_RESTRICTED_CHANNEL */
if (chan->band == IEEE80211_BAND_5GHZ) {
param.band = WLC_BAND_5G;
err = wldev_iovar_getbuf(dev, "bw_cap", &param, sizeof(param),
ioctl_buf, sizeof(ioctl_buf), NULL);
if (err) {
if (err != BCME_UNSUPPORTED) {
WL_ERR(("bw_cap failed, %d\n", err));
return err;
} else {
err = wldev_iovar_getint(dev, "mimo_bw_cap", &bw_cap);
if (err) {
WL_ERR(("error get mimo_bw_cap (%d)\n", err));
}
if (bw_cap != WLC_N_BW_20ALL)
bw = WL_CHANSPEC_BW_40;
}
} else {
if (WL_BW_CAP_80MHZ(ioctl_buf[0]))
bw = WL_CHANSPEC_BW_80;
else if (WL_BW_CAP_40MHZ(ioctl_buf[0]))
bw = WL_CHANSPEC_BW_40;
else
bw = WL_CHANSPEC_BW_20;
}
} else if (chan->band == IEEE80211_BAND_2GHZ)
bw = WL_CHANSPEC_BW_20;
set_channel:
chspec = wf_channel2chspec(_chan, bw);
if (wf_chspec_valid(chspec)) {
fw_chspec = wl_chspec_host_to_driver(chspec);
if (fw_chspec != INVCHANSPEC) {
if ((err = wldev_iovar_setint(dev, "chanspec",
fw_chspec)) == BCME_BADCHAN) {
if (bw == WL_CHANSPEC_BW_80)
goto change_bw;
err = wldev_ioctl_set(dev, WLC_SET_CHANNEL,
&_chan, sizeof(_chan));
if (err < 0) {
WL_ERR(("WLC_SET_CHANNEL error %d"
"chip may not be supporting this channel\n", err));
}
} else if (err) {
WL_ERR(("failed to set chanspec error %d\n", err));
}
#ifdef DISABLE_WL_FRAMEBURST_SOFTAP
else {
/* Disable Frameburst only for stand-alone 2GHz SoftAP */
if (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP &&
DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_HOSTAP_MODE) &&
(_chan <= CH_MAX_2G_CHANNEL) &&
!wl_get_drv_status(cfg, CONNECTED,
bcmcfg_to_prmry_ndev(cfg))) {
WL_DBG(("Disabling frameburst on "
"stand-alone 2GHz SoftAP\n"));
wl_cfg80211_set_frameburst(cfg, FALSE);
}
}
#endif /* DISABLE_WL_FRAMEBURST_SOFTAP */
} else {
WL_ERR(("failed to convert host chanspec to fw chanspec\n"));
err = BCME_ERROR;
}
} else {
change_bw:
if (bw == WL_CHANSPEC_BW_80)
bw = WL_CHANSPEC_BW_40;
else if (bw == WL_CHANSPEC_BW_40)
bw = WL_CHANSPEC_BW_20;
else
bw = 0;
if (bw)
goto set_channel;
WL_ERR(("Invalid chanspec 0x%x\n", chspec));
err = BCME_ERROR;
}
#ifdef CUSTOM_SET_CPUCORE
if (dhd->op_mode == DHD_FLAG_HOSTAP_MODE) {
WL_DBG(("SoftAP mode do not need to set cpucore\n"));
} else if (chspec & WL_CHANSPEC_BW_80) {
/* SoftAp only mode do not need to set cpucore */
if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) &&
dev != bcmcfg_to_prmry_ndev(cfg)) {
/* Soft AP on virtual Iface (AP+STA case) */
dhd->chan_isvht80 |= DHD_FLAG_HOSTAP_MODE;
dhd_set_cpucore(dhd, TRUE);
} else if (is_p2p_group_iface(dev->ieee80211_ptr)) {
/* If P2P IF is vht80 */
dhd->chan_isvht80 |= DHD_FLAG_P2P_MODE;
dhd_set_cpucore(dhd, TRUE);
}
}
#endif /* CUSTOM_SET_CPUCORE */
if (!err && (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP)) {
/* Update AP/GO operating channel */
cfg->ap_oper_channel = ieee80211_frequency_to_channel(chan->center_freq);
}
if (err) {
wl_flush_fw_log_buffer(bcmcfg_to_prmry_ndev(cfg),
FW_LOGSET_MASK_ALL);
}
return err;
}
#ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
struct net_device *
wl_cfg80211_get_remain_on_channel_ndev(struct bcm_cfg80211 *cfg)
{
struct net_info *_net_info, *next;
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif // endif
list_for_each_entry_safe(_net_info, next, &cfg->net_list, list) {
if (_net_info->ndev &&
test_bit(WL_STATUS_REMAINING_ON_CHANNEL, &_net_info->sme_state))
return _net_info->ndev;
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic pop
#endif // endif
return NULL;
}
#endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */
static s32
wl_validate_opensecurity(struct net_device *dev, s32 bssidx, bool privacy)
{
s32 err = BCME_OK;
u32 wpa_val;
s32 wsec = 0;
/* set auth */
err = wldev_iovar_setint_bsscfg(dev, "auth", 0, bssidx);
if (err < 0) {
WL_ERR(("auth error %d\n", err));
return BCME_ERROR;
}
if (privacy) {
/* If privacy bit is set in open mode, then WEP would be enabled */
wsec = WEP_ENABLED;
WL_DBG(("Setting wsec to %d for WEP \n", wsec));
}
/* set wsec */
err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx);
if (err < 0) {
WL_ERR(("wsec error %d\n", err));
return BCME_ERROR;
}
/* set upper-layer auth */
if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_ADHOC)
wpa_val = WPA_AUTH_NONE;
else
wpa_val = WPA_AUTH_DISABLED;
err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wpa_val, bssidx);
if (err < 0) {
WL_ERR(("wpa_auth error %d\n", err));
return BCME_ERROR;
}
return 0;
}
static s32
wl_validate_fils_ind_ie(struct net_device *dev, const bcm_tlv_t *filsindie, s32 bssidx)
{
s32 err = BCME_OK;
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
bcm_iov_buf_t *iov_buf = NULL;
bcm_xtlv_t* pxtlv;
int iov_buf_size = sizeof(bcm_iov_buf_t) + sizeof(bcm_xtlv_t) + filsindie->len - 1;
if (filsindie == NULL)
goto exit;
iov_buf = MALLOCZ(cfg->osh, iov_buf_size);
if (!iov_buf) {
WL_ERR(("%s: iov_buf alloc failed! %d bytes\n", __FUNCTION__, iov_buf_size));
err = BCME_NOMEM;
goto exit;
}
iov_buf->version = WL_FILS_IOV_VERSION;
iov_buf->id = WL_FILS_CMD_ADD_IND_IE;
iov_buf->len = sizeof(bcm_xtlv_t) + filsindie->len - 1;
pxtlv = (bcm_xtlv_t*)&iov_buf->data[0];
pxtlv->id = WL_FILS_XTLV_IND_IE;
pxtlv->len = filsindie->len;
memcpy(pxtlv->data, filsindie->data, filsindie->len);
err = wldev_iovar_setbuf(dev, "fils", iov_buf, iov_buf_size,
cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync);
if (unlikely(err)) {
WL_ERR(("fils indication ioctl error (%d)\n", err));
goto exit;
}
exit:
if (err < 0) {
WL_ERR(("FILS Ind setting error %d\n", err));
}
if (iov_buf) {
MFREE(cfg->osh, iov_buf, iov_buf_size);
}
return err;
}
static s32
wl_validate_wpa2ie(struct net_device *dev, const bcm_tlv_t *wpa2ie, s32 bssidx)
{
s32 len = 0;
s32 err = BCME_OK;
u16 auth = 0; /* d11 open authentication */
u32 wsec;
u32 pval = 0;
u32 gval = 0;
u32 wpa_auth = 0;
const wpa_suite_mcast_t *mcast;
const wpa_suite_ucast_t *ucast;
const wpa_suite_auth_key_mgmt_t *mgmt;
const wpa_pmkid_list_t *pmkid;
int cnt = 0;
#ifdef MFP
int mfp = 0;
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
#endif /* MFP */
u16 suite_count;
u8 rsn_cap[2];
u32 wme_bss_disable;
if (wpa2ie == NULL)
goto exit;
WL_DBG(("Enter \n"));
len = wpa2ie->len - WPA2_VERSION_LEN;
/* check the mcast cipher */
mcast = (const wpa_suite_mcast_t *)&wpa2ie->data[WPA2_VERSION_LEN];
switch (mcast->type) {
case WPA_CIPHER_NONE:
gval = 0;
break;
case WPA_CIPHER_WEP_40:
case WPA_CIPHER_WEP_104:
gval = WEP_ENABLED;
break;
case WPA_CIPHER_TKIP:
gval = TKIP_ENABLED;
break;
case WPA_CIPHER_AES_CCM:
gval = AES_ENABLED;
break;
#ifdef BCMWAPI_WPI
case WAPI_CIPHER_SMS4:
gval = SMS4_ENABLED;
break;
#endif // endif
default:
WL_ERR(("No Security Info\n"));
break;
}
if ((len -= WPA_SUITE_LEN) <= 0)
return BCME_BADLEN;
/* check the unicast cipher */
ucast = (const wpa_suite_ucast_t *)&mcast[1];
suite_count = ltoh16_ua(&ucast->count);
switch (ucast->list[0].type) {
case WPA_CIPHER_NONE:
pval = 0;
break;
case WPA_CIPHER_WEP_40:
case WPA_CIPHER_WEP_104:
pval = WEP_ENABLED;
break;
case WPA_CIPHER_TKIP:
pval = TKIP_ENABLED;
break;
case WPA_CIPHER_AES_CCM:
pval = AES_ENABLED;
break;
#ifdef BCMWAPI_WPI
case WAPI_CIPHER_SMS4:
pval = SMS4_ENABLED;
break;
#endif // endif
default:
WL_ERR(("No Security Info\n"));
}
if ((len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) <= 0)
return BCME_BADLEN;
/* FOR WPS , set SEC_OW_ENABLED */
wsec = (pval | gval | SES_OW_ENABLED);
/* check the AKM */
mgmt = (const wpa_suite_auth_key_mgmt_t *)&ucast->list[suite_count];
suite_count = cnt = ltoh16_ua(&mgmt->count);
while (cnt--) {
switch (mgmt->list[cnt].type) {
case RSN_AKM_NONE:
wpa_auth |= WPA_AUTH_NONE;
break;
case RSN_AKM_UNSPECIFIED:
wpa_auth |= WPA2_AUTH_UNSPECIFIED;
break;
case RSN_AKM_PSK:
wpa_auth |= WPA2_AUTH_PSK;
break;
#ifdef MFP
case RSN_AKM_MFP_PSK:
wpa_auth |= WPA2_AUTH_PSK_SHA256;
break;
case RSN_AKM_MFP_1X:
wpa_auth |= WPA2_AUTH_1X_SHA256;
break;
case RSN_AKM_FILS_SHA256:
wpa_auth |= WPA2_AUTH_FILS_SHA256;
break;
case RSN_AKM_FILS_SHA384:
wpa_auth |= WPA2_AUTH_FILS_SHA384;
break;
#endif /* MFP */
default:
WL_ERR(("No Key Mgmt Info\n"));
}
}
if ((len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) >= RSN_CAP_LEN) {
rsn_cap[0] = *(const u8 *)&mgmt->list[suite_count];
rsn_cap[1] = *((const u8 *)&mgmt->list[suite_count] + 1);
if (rsn_cap[0] & (RSN_CAP_16_REPLAY_CNTRS << RSN_CAP_PTK_REPLAY_CNTR_SHIFT)) {
wme_bss_disable = 0;
} else {
wme_bss_disable = 1;
}
#ifdef MFP
if (rsn_cap[0] & RSN_CAP_MFPR) {
WL_DBG(("MFP Required \n"));
mfp = WL_MFP_REQUIRED;
/* Our firmware has requirement that WPA2_AUTH_PSK/WPA2_AUTH_UNSPECIFIED
* be set, if SHA256 OUI is to be included in the rsn ie.
*/
if (wpa_auth & WPA2_AUTH_PSK_SHA256) {
wpa_auth |= WPA2_AUTH_PSK;
} else if (wpa_auth & WPA2_AUTH_1X_SHA256) {
wpa_auth |= WPA2_AUTH_UNSPECIFIED;
}
} else if (rsn_cap[0] & RSN_CAP_MFPC) {
WL_DBG(("MFP Capable \n"));
mfp = WL_MFP_CAPABLE;
}
#endif /* MFP */
/* set wme_bss_disable to sync RSN Capabilities */
err = wldev_iovar_setint_bsscfg(dev, "wme_bss_disable", wme_bss_disable, bssidx);
if (err < 0) {
WL_ERR(("wme_bss_disable error %d\n", err));
return BCME_ERROR;
}
} else {
WL_DBG(("There is no RSN Capabilities. remained len %d\n", len));
}
len -= RSN_CAP_LEN;
if (len >= WPA2_PMKID_COUNT_LEN) {
pmkid = (const wpa_pmkid_list_t *)
((const u8 *)&mgmt->list[suite_count] + RSN_CAP_LEN);
cnt = ltoh16_ua(&pmkid->count);
if (cnt != 0) {
WL_ERR(("AP has non-zero PMKID count. Wrong!\n"));
return BCME_ERROR;
}
/* since PMKID cnt is known to be 0 for AP, */
/* so don't bother to send down this info to firmware */
}
#ifdef MFP
len -= WPA2_PMKID_COUNT_LEN;
if (len >= WPA_SUITE_LEN) {
cfg->bip_pos =
(const u8 *)&mgmt->list[suite_count] + RSN_CAP_LEN + WPA2_PMKID_COUNT_LEN;
} else {
cfg->bip_pos = NULL;
}
#endif // endif
/* set auth */
err = wldev_iovar_setint_bsscfg(dev, "auth", auth, bssidx);
if (err < 0) {
WL_ERR(("auth error %d\n", err));
return BCME_ERROR;
}
/* set wsec */
err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx);
if (err < 0) {
WL_ERR(("wsec error %d\n", err));
return BCME_ERROR;
}
#ifdef MFP
cfg->mfp_mode = mfp;
#endif /* MFP */
/* set upper-layer auth */
err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wpa_auth, bssidx);
if (err < 0) {
WL_ERR(("wpa_auth error %d\n", err));
return BCME_ERROR;
}
exit:
return 0;
}
static s32
wl_validate_wpaie(struct net_device *dev, const wpa_ie_fixed_t *wpaie, s32 bssidx)
{
const wpa_suite_mcast_t *mcast;
const wpa_suite_ucast_t *ucast;
const wpa_suite_auth_key_mgmt_t *mgmt;
u16 auth = 0; /* d11 open authentication */
u16 count;
s32 err = BCME_OK;
s32 len = 0;
u32 i;
u32 wsec;
u32 pval = 0;
u32 gval = 0;
u32 wpa_auth = 0;
u32 tmp = 0;
if (wpaie == NULL)
goto exit;
WL_DBG(("Enter \n"));
len = wpaie->length; /* value length */
len -= WPA_IE_TAG_FIXED_LEN;
/* check for multicast cipher suite */
if (len < WPA_SUITE_LEN) {
WL_INFORM_MEM(("no multicast cipher suite\n"));
goto exit;
}
/* pick up multicast cipher */
mcast = (const wpa_suite_mcast_t *)&wpaie[1];
len -= WPA_SUITE_LEN;
if (!bcmp(mcast->oui, WPA_OUI, WPA_OUI_LEN)) {
if (IS_WPA_CIPHER(mcast->type)) {
tmp = 0;
switch (mcast->type) {
case WPA_CIPHER_NONE:
tmp = 0;
break;
case WPA_CIPHER_WEP_40:
case WPA_CIPHER_WEP_104:
tmp = WEP_ENABLED;
break;
case WPA_CIPHER_TKIP:
tmp = TKIP_ENABLED;
break;
case WPA_CIPHER_AES_CCM:
tmp = AES_ENABLED;
break;
default:
WL_ERR(("No Security Info\n"));
}
gval |= tmp;
}
}
/* Check for unicast suite(s) */
if (len < WPA_IE_SUITE_COUNT_LEN) {
WL_INFORM_MEM(("no unicast suite\n"));
goto exit;
}
/* walk thru unicast cipher list and pick up what we recognize */
ucast = (const wpa_suite_ucast_t *)&mcast[1];
count = ltoh16_ua(&ucast->count);
len -= WPA_IE_SUITE_COUNT_LEN;
for (i = 0; i < count && len >= WPA_SUITE_LEN;
i++, len -= WPA_SUITE_LEN) {
if (!bcmp(ucast->list[i].oui, WPA_OUI, WPA_OUI_LEN)) {
if (IS_WPA_CIPHER(ucast->list[i].type)) {
tmp = 0;
switch (ucast->list[i].type) {
case WPA_CIPHER_NONE:
tmp = 0;
break;
case WPA_CIPHER_WEP_40:
case WPA_CIPHER_WEP_104:
tmp = WEP_ENABLED;
break;
case WPA_CIPHER_TKIP:
tmp = TKIP_ENABLED;
break;
case WPA_CIPHER_AES_CCM:
tmp = AES_ENABLED;
break;
default:
WL_ERR(("No Security Info\n"));
}
pval |= tmp;
}
}
}
len -= (count - i) * WPA_SUITE_LEN;
/* Check for auth key management suite(s) */
if (len < WPA_IE_SUITE_COUNT_LEN) {
WL_INFORM_MEM((" no auth key mgmt suite\n"));
goto exit;
}
/* walk thru auth management suite list and pick up what we recognize */
mgmt = (const wpa_suite_auth_key_mgmt_t *)&ucast->list[count];
count = ltoh16_ua(&mgmt->count);
len -= WPA_IE_SUITE_COUNT_LEN;
for (i = 0; i < count && len >= WPA_SUITE_LEN;
i++, len -= WPA_SUITE_LEN) {
if (!bcmp(mgmt->list[i].oui, WPA_OUI, WPA_OUI_LEN)) {
if (IS_WPA_AKM(mgmt->list[i].type)) {
tmp = 0;
switch (mgmt->list[i].type) {
case RSN_AKM_NONE:
tmp = WPA_AUTH_NONE;
break;
case RSN_AKM_UNSPECIFIED:
tmp = WPA_AUTH_UNSPECIFIED;
break;
case RSN_AKM_PSK:
tmp = WPA_AUTH_PSK;
break;
default:
WL_ERR(("No Key Mgmt Info\n"));
}
wpa_auth |= tmp;
}
}
}
/* FOR WPS , set SEC_OW_ENABLED */
wsec = (pval | gval | SES_OW_ENABLED);
/* set auth */
err = wldev_iovar_setint_bsscfg(dev, "auth", auth, bssidx);
if (err < 0) {
WL_ERR(("auth error %d\n", err));
return BCME_ERROR;
}
/* set wsec */
err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx);
if (err < 0) {
WL_ERR(("wsec error %d\n", err));
return BCME_ERROR;
}
/* set upper-layer auth */
err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wpa_auth, bssidx);
if (err < 0) {
WL_ERR(("wpa_auth error %d\n", err));
return BCME_ERROR;
}
exit:
return 0;
}
#if defined(SUPPORT_SOFTAP_WPAWPA2_MIXED)
static u32 wl_get_cipher_type(uint8 type)
{
u32 ret = 0;
switch (type) {
case WPA_CIPHER_NONE:
ret = 0;
break;
case WPA_CIPHER_WEP_40:
case WPA_CIPHER_WEP_104:
ret = WEP_ENABLED;
break;
case WPA_CIPHER_TKIP:
ret = TKIP_ENABLED;
break;
case WPA_CIPHER_AES_CCM:
ret = AES_ENABLED;
break;
#ifdef BCMWAPI_WPI
case WAPI_CIPHER_SMS4:
ret = SMS4_ENABLED;
break;
#endif // endif
default:
WL_ERR(("No Security Info\n"));
}
return ret;
}
static u32 wl_get_suite_auth_key_mgmt_type(uint8 type, const wpa_suite_mcast_t *mcast)
{
u32 ret = 0;
u32 is_wpa2 = 0;
if (!bcmp(mcast->oui, WPA2_OUI, WPA2_OUI_LEN)) {
is_wpa2 = 1;
}
WL_INFORM_MEM(("%s, type = %d\n", is_wpa2 ? "WPA2":"WPA", type));
switch (type) {
case RSN_AKM_NONE:
/* For WPA and WPA2, AUTH_NONE is common */
ret = WPA_AUTH_NONE;
break;
case RSN_AKM_UNSPECIFIED:
if (is_wpa2) {
ret = WPA2_AUTH_UNSPECIFIED;
} else {
ret = WPA_AUTH_UNSPECIFIED;
}
break;
case RSN_AKM_PSK:
if (is_wpa2) {
ret = WPA2_AUTH_PSK;
} else {
ret = WPA_AUTH_PSK;
}
break;
default:
WL_ERR(("No Key Mgmt Info\n"));
}
return ret;
}
static s32
wl_validate_wpaie_wpa2ie(struct net_device *dev, const wpa_ie_fixed_t *wpaie,
const bcm_tlv_t *wpa2ie, s32 bssidx)
{
const wpa_suite_mcast_t *mcast;
const wpa_suite_ucast_t *ucast;
const wpa_suite_auth_key_mgmt_t *mgmt;
u16 auth = 0; /* d11 open authentication */
u16 count;
s32 err = BCME_OK;
u32 wme_bss_disable;
u16 suite_count;
u8 rsn_cap[2];
s32 len = 0;
u32 i;
u32 wsec1, wsec2, wsec;
u32 pval = 0;
u32 gval = 0;
u32 wpa_auth = 0;
u32 wpa_auth1 = 0;
u32 wpa_auth2 = 0;
if (wpaie == NULL || wpa2ie == NULL)
goto exit;
WL_DBG(("Enter \n"));
len = wpaie->length; /* value length */
len -= WPA_IE_TAG_FIXED_LEN;
/* check for multicast cipher suite */
if (len < WPA_SUITE_LEN) {
WL_INFORM_MEM(("no multicast cipher suite\n"));
goto exit;
}
/* pick up multicast cipher */
mcast = (const wpa_suite_mcast_t *)&wpaie[1];
len -= WPA_SUITE_LEN;
if (!bcmp(mcast->oui, WPA_OUI, WPA_OUI_LEN)) {
if (IS_WPA_CIPHER(mcast->type)) {
gval |= wl_get_cipher_type(mcast->type);
}
}
WL_DBG(("\nwpa ie validate\n"));
WL_DBG(("wpa ie mcast cipher = 0x%X\n", gval));
/* Check for unicast suite(s) */
if (len < WPA_IE_SUITE_COUNT_LEN) {
WL_INFORM_MEM(("no unicast suite\n"));
goto exit;
}
/* walk thru unicast cipher list and pick up what we recognize */
ucast = (const wpa_suite_ucast_t *)&mcast[1];
count = ltoh16_ua(&ucast->count);
len -= WPA_IE_SUITE_COUNT_LEN;
for (i = 0; i < count && len >= WPA_SUITE_LEN;
i++, len -= WPA_SUITE_LEN) {
if (!bcmp(ucast->list[i].oui, WPA_OUI, WPA_OUI_LEN)) {
if (IS_WPA_CIPHER(ucast->list[i].type)) {
pval |= wl_get_cipher_type(ucast->list[i].type);
}
}
}
WL_ERR(("wpa ie ucast count =%d, cipher = 0x%X\n", count, pval));
/* FOR WPS , set SEC_OW_ENABLED */
wsec1 = (pval | gval | SES_OW_ENABLED);
WL_ERR(("wpa ie wsec = 0x%X\n", wsec1));
len -= (count - i) * WPA_SUITE_LEN;
/* Check for auth key management suite(s) */
if (len < WPA_IE_SUITE_COUNT_LEN) {
WL_INFORM_MEM((" no auth key mgmt suite\n"));
goto exit;
}
/* walk thru auth management suite list and pick up what we recognize */
mgmt = (const wpa_suite_auth_key_mgmt_t *)&ucast->list[count];
count = ltoh16_ua(&mgmt->count);
len -= WPA_IE_SUITE_COUNT_LEN;
for (i = 0; i < count && len >= WPA_SUITE_LEN;
i++, len -= WPA_SUITE_LEN) {
if (!bcmp(mgmt->list[i].oui, WPA_OUI, WPA_OUI_LEN)) {
if (IS_WPA_AKM(mgmt->list[i].type)) {
wpa_auth1 |=
wl_get_suite_auth_key_mgmt_type(mgmt->list[i].type, mcast);
}
}
}
WL_ERR(("wpa ie wpa_suite_auth_key_mgmt count=%d, key_mgmt = 0x%X\n", count, wpa_auth1));
WL_ERR(("\nwpa2 ie validate\n"));
pval = 0;
gval = 0;
len = wpa2ie->len;
/* check the mcast cipher */
mcast = (const wpa_suite_mcast_t *)&wpa2ie->data[WPA2_VERSION_LEN];
gval = wl_get_cipher_type(mcast->type);
WL_ERR(("wpa2 ie mcast cipher = 0x%X\n", gval));
if ((len -= WPA_SUITE_LEN) <= 0)
{
WL_ERR(("P:wpa2 ie len[%d]", len));
return BCME_BADLEN;
}
/* check the unicast cipher */
ucast = (const wpa_suite_ucast_t *)&mcast[1];
suite_count = ltoh16_ua(&ucast->count);
WL_ERR((" WPA2 ucast cipher count=%d\n", suite_count));
pval |= wl_get_cipher_type(ucast->list[0].type);
if ((len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) <= 0)
return BCME_BADLEN;
WL_ERR(("wpa2 ie ucast cipher = 0x%X\n", pval));
/* FOR WPS , set SEC_OW_ENABLED */
wsec2 = (pval | gval | SES_OW_ENABLED);
WL_ERR(("wpa2 ie wsec = 0x%X\n", wsec2));
/* check the AKM */
mgmt = (const wpa_suite_auth_key_mgmt_t *)&ucast->list[suite_count];
suite_count = ltoh16_ua(&mgmt->count);
wpa_auth2 = wl_get_suite_auth_key_mgmt_type(mgmt->list[0].type, mcast);
WL_ERR(("wpa ie wpa_suite_auth_key_mgmt count=%d, key_mgmt = 0x%X\n", count, wpa_auth2));
if ((len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) >= RSN_CAP_LEN) {
rsn_cap[0] = *(const u8 *)&mgmt->list[suite_count];
rsn_cap[1] = *((const u8 *)&mgmt->list[suite_count] + 1);
if (rsn_cap[0] & (RSN_CAP_16_REPLAY_CNTRS << RSN_CAP_PTK_REPLAY_CNTR_SHIFT)) {
wme_bss_disable = 0;
} else {
wme_bss_disable = 1;
}
WL_DBG(("P:rsn_cap[0]=[0x%X]:wme_bss_disabled[%d]\n", rsn_cap[0], wme_bss_disable));
/* set wme_bss_disable to sync RSN Capabilities */
err = wldev_iovar_setint_bsscfg(dev, "wme_bss_disable", wme_bss_disable, bssidx);
if (err < 0) {
WL_ERR(("wme_bss_disable error %d\n", err));
return BCME_ERROR;
}
} else {
WL_DBG(("There is no RSN Capabilities. remained len %d\n", len));
}
wsec = (wsec1 | wsec2);
wpa_auth = (wpa_auth1 | wpa_auth2);
WL_ERR(("wpa_wpa2 wsec=0x%X wpa_auth=0x%X\n", wsec, wpa_auth));
/* set auth */
err = wldev_iovar_setint_bsscfg(dev, "auth", auth, bssidx);
if (err < 0) {
WL_ERR(("auth error %d\n", err));
return BCME_ERROR;
}
/* set wsec */
err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx);
if (err < 0) {
WL_ERR(("wsec error %d\n", err));
return BCME_ERROR;
}
/* set upper-layer auth */
err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wpa_auth, bssidx);
if (err < 0) {
WL_ERR(("wpa_auth error %d\n", err));
return BCME_ERROR;
}
exit:
return 0;
}
#endif /* SUPPORT_SOFTAP_WPAWPA2_MIXED */
static s32
wl_cfg80211_bcn_validate_sec(
struct net_device *dev,
struct parsed_ies *ies,
u32 dev_role,
s32 bssidx,
bool privacy)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
wl_cfgbss_t *bss = wl_get_cfgbss_by_wdev(cfg, dev->ieee80211_ptr);
if (!bss) {
WL_ERR(("cfgbss is NULL \n"));
return BCME_ERROR;
}
if (dev_role == NL80211_IFTYPE_P2P_GO && (ies->wpa2_ie)) {
/* For P2P GO, the sec type is WPA2-PSK */
WL_DBG(("P2P GO: validating wpa2_ie"));
if (wl_validate_wpa2ie(dev, ies->wpa2_ie, bssidx) < 0)
return BCME_ERROR;
} else if (dev_role == NL80211_IFTYPE_AP) {
WL_DBG(("SoftAP: validating security"));
/* If wpa2_ie or wpa_ie is present validate it */
#if defined(SUPPORT_SOFTAP_WPAWPA2_MIXED)
if ((ies->wpa_ie != NULL && ies->wpa2_ie != NULL)) {
if (wl_validate_wpaie_wpa2ie(dev, ies->wpa_ie, ies->wpa2_ie, bssidx) < 0) {
bss->security_mode = false;
return BCME_ERROR;
}
}
else {
#endif /* SUPPORT_SOFTAP_WPAWPA2_MIXED */
if ((ies->wpa2_ie || ies->wpa_ie) &&
((wl_validate_wpa2ie(dev, ies->wpa2_ie, bssidx) < 0 ||
wl_validate_wpaie(dev, ies->wpa_ie, bssidx) < 0))) {
bss->security_mode = false;
return BCME_ERROR;
}
if (ies->fils_ind_ie &&
(wl_validate_fils_ind_ie(dev, ies->fils_ind_ie, bssidx) < 0)) {
bss->security_mode = false;
return BCME_ERROR;
}
bss->security_mode = true;
if (bss->rsn_ie) {
MFREE(cfg->osh, bss->rsn_ie, bss->rsn_ie[1]
+ WPA_RSN_IE_TAG_FIXED_LEN);
bss->rsn_ie = NULL;
}
if (bss->wpa_ie) {
MFREE(cfg->osh, bss->wpa_ie, bss->wpa_ie[1]
+ WPA_RSN_IE_TAG_FIXED_LEN);
bss->wpa_ie = NULL;
}
if (bss->wps_ie) {
MFREE(cfg->osh, bss->wps_ie, bss->wps_ie[1] + 2);
bss->wps_ie = NULL;
}
if (bss->fils_ind_ie) {
MFREE(cfg->osh, bss->fils_ind_ie, bss->fils_ind_ie[1]
+ FILS_INDICATION_IE_TAG_FIXED_LEN);
bss->fils_ind_ie = NULL;
}
if (ies->wpa_ie != NULL) {
/* WPAIE */
bss->rsn_ie = NULL;
bss->wpa_ie = MALLOCZ(cfg->osh,
ies->wpa_ie->length
+ WPA_RSN_IE_TAG_FIXED_LEN);
if (bss->wpa_ie) {
memcpy(bss->wpa_ie, ies->wpa_ie,
ies->wpa_ie->length
+ WPA_RSN_IE_TAG_FIXED_LEN);
}
} else if (ies->wpa2_ie != NULL) {
/* RSNIE */
bss->wpa_ie = NULL;
bss->rsn_ie = MALLOCZ(cfg->osh,
ies->wpa2_ie->len
+ WPA_RSN_IE_TAG_FIXED_LEN);
if (bss->rsn_ie) {
memcpy(bss->rsn_ie, ies->wpa2_ie,
ies->wpa2_ie->len
+ WPA_RSN_IE_TAG_FIXED_LEN);
}
}
#if defined(SUPPORT_SOFTAP_WPAWPA2_MIXED)
}
#endif /* SUPPORT_SOFTAP_WPAWPA2_MIXED */
if (!ies->wpa2_ie && !ies->wpa_ie) {
wl_validate_opensecurity(dev, bssidx, privacy);
bss->security_mode = false;
}
if (ies->wps_ie) {
bss->wps_ie = MALLOCZ(cfg->osh, ies->wps_ie_len);
if (bss->wps_ie) {
memcpy(bss->wps_ie, ies->wps_ie, ies->wps_ie_len);
}
}
}
return 0;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || defined(WL_COMPAT_WIRELESS)
static s32 wl_cfg80211_bcn_set_params(
struct cfg80211_ap_settings *info,
struct net_device *dev,
u32 dev_role, s32 bssidx)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
s32 err = BCME_OK;
WL_DBG(("interval (%d) \ndtim_period (%d) \n",
info->beacon_interval, info->dtim_period));
if (info->beacon_interval) {
if ((err = wldev_ioctl_set(dev, WLC_SET_BCNPRD,
&info->beacon_interval, sizeof(s32))) < 0) {
WL_ERR(("Beacon Interval Set Error, %d\n", err));
return err;
}
}
if (info->dtim_period) {
if ((err = wldev_ioctl_set(dev, WLC_SET_DTIMPRD,
&info->dtim_period, sizeof(s32))) < 0) {
WL_ERR(("DTIM Interval Set Error, %d\n", err));
return err;
}
}
if ((info->ssid) && (info->ssid_len > 0) &&
(info->ssid_len <= DOT11_MAX_SSID_LEN)) {
WL_DBG(("SSID (%s) len:%zd \n", info->ssid, info->ssid_len));
if (dev_role == NL80211_IFTYPE_AP) {
/* Store the hostapd SSID */
memset(cfg->hostapd_ssid.SSID, 0x00, DOT11_MAX_SSID_LEN);
memcpy(cfg->hostapd_ssid.SSID, info->ssid, info->ssid_len);
cfg->hostapd_ssid.SSID_len = info->ssid_len;
} else {
/* P2P GO */
memset(cfg->p2p->ssid.SSID, 0x00, DOT11_MAX_SSID_LEN);
memcpy(cfg->p2p->ssid.SSID, info->ssid, info->ssid_len);
cfg->p2p->ssid.SSID_len = info->ssid_len;
}
}
if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE) {
if ((err = wldev_iovar_setint(dev, "closednet", 1)) < 0)
WL_ERR(("failed to set hidden : %d\n", err));
WL_DBG(("hidden_ssid_enum_val: %d \n", info->hidden_ssid));
}
return err;
}
#endif /* LINUX_VERSION >= VERSION(3,4,0) || WL_COMPAT_WIRELESS */
static s32
wl_cfg80211_parse_ies(const u8 *ptr, u32 len, struct parsed_ies *ies)
{
s32 err = BCME_OK;
memset(ies, 0, sizeof(struct parsed_ies));
/* find the WPSIE */
if ((ies->wps_ie = wl_cfgp2p_find_wpsie(ptr, len)) != NULL) {
WL_DBG(("WPSIE in beacon \n"));
ies->wps_ie_len = ies->wps_ie->length + WPA_RSN_IE_TAG_FIXED_LEN;
} else {
WL_ERR(("No WPSIE in beacon \n"));
}
/* find the RSN_IE */
if ((ies->wpa2_ie = bcm_parse_tlvs(ptr, len,
DOT11_MNG_RSN_ID)) != NULL) {
WL_DBG((" WPA2 IE found\n"));
ies->wpa2_ie_len = ies->wpa2_ie->len;
}
/* find the FILS_IND_IE */
if ((ies->fils_ind_ie = bcm_parse_tlvs(ptr, len,
DOT11_MNG_FILS_IND_ID)) != NULL) {
WL_DBG((" FILS IND IE found\n"));
ies->fils_ind_ie_len = ies->fils_ind_ie->len;
}
/* find the WPA_IE */
if ((ies->wpa_ie = wl_cfgp2p_find_wpaie(ptr, len)) != NULL) {
WL_DBG((" WPA found\n"));
ies->wpa_ie_len = ies->wpa_ie->length;
}
return err;
}
bool
wl_legacy_chip_check(struct bcm_cfg80211 *cfg)
{
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
uint chip;
chip = dhd_conf_get_chip(dhd);
if (chip == BCM43362_CHIP_ID || chip == BCM4330_CHIP_ID ||
chip == BCM43430_CHIP_ID || chip == BCM43012_CHIP_ID ||
chip == BCM4334_CHIP_ID || chip == BCM43340_CHIP_ID ||
chip == BCM43341_CHIP_ID || chip == BCM4324_CHIP_ID ||
chip == BCM4335_CHIP_ID || chip == BCM4339_CHIP_ID ||
chip == BCM4345_CHIP_ID || chip == BCM43454_CHIP_ID ||
chip == BCM4354_CHIP_ID || chip == BCM4356_CHIP_ID ||
chip == BCM4371_CHIP_ID || chip == BCM4359_CHIP_ID ||
chip == BCM43143_CHIP_ID || chip == BCM43242_CHIP_ID ||
chip == BCM43569_CHIP_ID) {
return true;
}
return false;
}
static s32
wl_cfg80211_set_ap_role(
struct bcm_cfg80211 *cfg,
struct net_device *dev)
{
s32 err = BCME_OK;
s32 infra = 1;
s32 ap = 0;
s32 pm;
s32 bssidx;
s32 apsta = 0;
bool legacy_chip;
legacy_chip = wl_legacy_chip_check(cfg);
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
return -EINVAL;
}
WL_INFORM_MEM(("[%s] Bringup SoftAP on bssidx:%d \n", dev->name, bssidx));
if (bssidx != 0 || !legacy_chip) {
if ((err = wl_cfg80211_add_del_bss(cfg, dev, bssidx,
WL_IF_TYPE_AP, 0, NULL)) < 0) {
WL_ERR(("wl add_del_bss returned error:%d\n", err));
return err;
}
}
/*
* For older chips, "bss" iovar does not support
* bsscfg role change/upgradation, and still
* return BCME_OK on attempt
* Hence, below traditional way to handle the same
*/
if ((err = wldev_ioctl_get(dev,
WLC_GET_AP, &ap, sizeof(s32))) < 0) {
WL_ERR(("Getting AP mode failed %d \n", err));
return err;
}
if (!ap) {
/* AP mode switch not supported. Try setting up AP explicitly */
err = wldev_iovar_getint(dev, "apsta", (s32 *)&apsta);
if (unlikely(err)) {
WL_ERR(("Could not get apsta %d\n", err));
return err;
}
if (apsta == 0) {
/* If apsta is not set, set it */
/* Check for any connected interfaces before wl down */
if (wl_get_drv_status_all(cfg, CONNECTED) > 0) {
WL_ERR(("Concurrent i/f operational. can't do wl down"));
return BCME_ERROR;
}
err = wldev_ioctl_set(dev, WLC_DOWN, &ap, sizeof(s32));
if (err < 0) {
WL_ERR(("WLC_DOWN error %d\n", err));
return err;
}
err = wldev_iovar_setint(dev, "apsta", 1);
if (err < 0) {
WL_ERR(("wl apsta 0 error %d\n", err));
return err;
}
ap = 1;
if ((err = wldev_ioctl_set(dev,
WLC_SET_AP, &ap, sizeof(s32))) < 0) {
WL_ERR(("setting AP mode failed %d \n", err));
return err;
}
}
} else if (bssidx == 0 && legacy_chip) {
err = wldev_ioctl_set(dev, WLC_DOWN, &ap, sizeof(s32));
if (err < 0) {
WL_ERR(("WLC_DOWN error %d\n", err));
return err;
}
err = wldev_iovar_setint(dev, "apsta", 0);
if (err < 0) {
WL_ERR(("wl apsta 0 error %d\n", err));
return err;
}
if ((err = wldev_ioctl_set(dev, WLC_SET_AP, &ap, sizeof(s32))) < 0) {
WL_ERR(("setting AP mode failed %d \n", err));
return err;
}
}
if (bssidx == 0) {
pm = 0;
if ((err = wldev_ioctl_set(dev, WLC_SET_PM, &pm, sizeof(pm))) != 0) {
WL_ERR(("wl PM 0 returned error:%d\n", err));
/* Ignore error, if any */
err = BCME_OK;
}
err = wldev_ioctl_set(dev, WLC_SET_INFRA, &infra, sizeof(s32));
if (err < 0) {
WL_ERR(("SET INFRA error %d\n", err));
return err;
}
}
/* On success, mark AP creation in progress. */
wl_set_drv_status(cfg, AP_CREATING, dev);
return 0;
}
/* In RSDB downgrade cases, the link up event can get delayed upto 7-8 secs */
#define MAX_AP_LINK_WAIT_TIME 10000
static s32
wl_cfg80211_bcn_bringup_ap(
struct net_device *dev,
struct parsed_ies *ies,
u32 dev_role, s32 bssidx)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
struct wl_join_params join_params;
bool is_bssup = false;
s32 infra = 1;
s32 join_params_size = 0;
s32 ap = 1;
s32 wsec;
#ifdef DISABLE_11H_SOFTAP
s32 spect = 0;
#endif /* DISABLE_11H_SOFTAP */
#ifdef SOFTAP_UAPSD_OFF
uint32 wme_apsd = 0;
#endif /* SOFTAP_UAPSD_OFF */
s32 err = BCME_OK;
s32 is_rsdb_supported = BCME_ERROR;
u32 timeout;
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
is_rsdb_supported = DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_RSDB_MODE);
if (is_rsdb_supported < 0)
return (-ENODEV);
WL_DBG(("Enter dev_role:%d bssidx:%d ifname:%s\n", dev_role, bssidx, dev->name));
/* Common code for SoftAP and P2P GO */
wl_clr_drv_status(cfg, AP_CREATED, dev);
/* Make sure INFRA is set for AP/GO */
err = wldev_ioctl_set(dev, WLC_SET_INFRA, &infra, sizeof(s32));
if (err < 0) {
WL_ERR(("SET INFRA error %d\n", err));
goto exit;
}
/* Do abort scan before creating GO */
wl_cfg80211_scan_abort(cfg);
if (dev_role == NL80211_IFTYPE_P2P_GO) {
is_bssup = wl_cfg80211_bss_isup(dev, bssidx);
if (!is_bssup && (ies->wpa2_ie != NULL)) {
err = wldev_iovar_setbuf_bsscfg(dev, "ssid", &cfg->p2p->ssid,
sizeof(cfg->p2p->ssid), cfg->ioctl_buf, WLC_IOCTL_MAXLEN,
bssidx, &cfg->ioctl_buf_sync);
if (err < 0) {
WL_ERR(("GO SSID setting error %d\n", err));
goto exit;
}
if ((err = wl_cfg80211_bss_up(cfg, dev, bssidx, 1)) < 0) {
WL_ERR(("GO Bring up error %d\n", err));
goto exit;
}
} else
WL_DBG(("Bss is already up\n"));
} else if (dev_role == NL80211_IFTYPE_AP) {
if (!wl_get_drv_status(cfg, AP_CREATED, dev)) {
/* Make sure fw is in proper state */
err = wl_cfg80211_set_ap_role(cfg, dev);
if (unlikely(err)) {
WL_ERR(("set ap role failed!\n"));
goto exit;
}
}
/* Device role SoftAP */
WL_DBG(("Creating AP bssidx:%d dev_role:%d\n", bssidx, dev_role));
/* Clear the status bit after use */
wl_clr_drv_status(cfg, AP_CREATING, dev);
#ifdef DISABLE_11H_SOFTAP
if (is_rsdb_supported == 0) {
err = wldev_ioctl_set(dev, WLC_DOWN, &ap, sizeof(s32));
if (err < 0) {
WL_ERR(("WLC_DOWN error %d\n", err));
goto exit;
}
}
err = wldev_ioctl_set(dev, WLC_SET_SPECT_MANAGMENT,
&spect, sizeof(s32));
if (err < 0) {
WL_ERR(("SET SPECT_MANAGMENT error %d\n", err));
goto exit;
}
#endif /* DISABLE_11H_SOFTAP */
#ifdef SOFTAP_UAPSD_OFF
err = wldev_iovar_setbuf_bsscfg(dev, "wme_apsd", &wme_apsd, sizeof(wme_apsd),
cfg->ioctl_buf, WLC_IOCTL_SMLEN, bssidx, &cfg->ioctl_buf_sync);
if (err < 0) {
WL_ERR(("failed to disable uapsd, error=%d\n", err));
}
#endif /* SOFTAP_UAPSD_OFF */
err = wldev_ioctl_set(dev, WLC_UP, &ap, sizeof(s32));
if (unlikely(err)) {
WL_ERR(("WLC_UP error (%d)\n", err));
goto exit;
}
#ifdef MFP
if (cfg->bip_pos) {
err = wldev_iovar_setbuf_bsscfg(dev, "bip",
(const void *)(cfg->bip_pos), WPA_SUITE_LEN, cfg->ioctl_buf,
WLC_IOCTL_SMLEN, bssidx, &cfg->ioctl_buf_sync);
if (err < 0) {
WL_ERR(("bip set error %d\n", err));
{
goto exit;
}
}
}
#endif /* MFP */
err = wldev_iovar_getint(dev, "wsec", (s32 *)&wsec);
if (unlikely(err)) {
WL_ERR(("Could not get wsec %d\n", err));
goto exit;
}
if (dhdp->conf->chip == BCM43430_CHIP_ID && bssidx > 0 && wsec >= 2) {
wsec |= 0x8; // terence 20180628: fix me, this is a workaround
err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx);
if (err < 0) {
WL_ERR(("wsec error %d\n", err));
goto exit;
}
}
if ((wsec == WEP_ENABLED) && cfg->wep_key.len) {
WL_DBG(("Applying buffered WEP KEY \n"));
err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &cfg->wep_key,
sizeof(struct wl_wsec_key), cfg->ioctl_buf,
WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
/* clear the key after use */
memset(&cfg->wep_key, 0, sizeof(struct wl_wsec_key));
if (unlikely(err)) {
WL_ERR(("WLC_SET_KEY error (%d)\n", err));
goto exit;
}
}
#ifdef MFP
if (cfg->mfp_mode) {
/* This needs to go after wsec otherwise the wsec command will
* overwrite the values set by MFP
*/
err = wldev_iovar_setint_bsscfg(dev, "mfp", cfg->mfp_mode, bssidx);
if (err < 0) {
WL_ERR(("MFP Setting failed. ret = %d \n", err));
/* If fw doesn't support mfp, Ignore the error */
if (err != BCME_UNSUPPORTED) {
goto exit;
}
}
}
#endif /* MFP */
memset(&join_params, 0, sizeof(join_params));
/* join parameters starts with ssid */
join_params_size = sizeof(join_params.ssid);
join_params.ssid.SSID_len = MIN(cfg->hostapd_ssid.SSID_len,
(uint32)DOT11_MAX_SSID_LEN);
memcpy(join_params.ssid.SSID, cfg->hostapd_ssid.SSID,
join_params.ssid.SSID_len);
join_params.ssid.SSID_len = htod32(join_params.ssid.SSID_len);
/* create softap */
if ((err = wldev_ioctl_set(dev, WLC_SET_SSID, &join_params,
join_params_size)) != 0) {
WL_ERR(("SoftAP/GO set ssid failed! \n"));
goto exit;
} else {
WL_DBG((" SoftAP SSID \"%s\" \n", join_params.ssid.SSID));
}
if (bssidx != 0) {
/* AP on Virtual Interface */
if ((err = wl_cfg80211_bss_up(cfg, dev, bssidx, 1)) < 0) {
WL_ERR(("AP Bring up error %d\n", err));
goto exit;
}
}
} else {
WL_ERR(("Wrong interface type %d\n", dev_role));
goto exit;
}
/* Wait for Linkup event to mark successful AP/GO bring up */
timeout = wait_event_interruptible_timeout(cfg->netif_change_event,
wl_get_drv_status(cfg, AP_CREATED, dev), msecs_to_jiffies(MAX_AP_LINK_WAIT_TIME));
if (timeout <= 0 || !wl_get_drv_status(cfg, AP_CREATED, dev)) {
WL_ERR(("Link up didn't come for AP interface. AP/GO creation failed! \n"));
if (timeout == -ERESTARTSYS) {
WL_ERR(("waitqueue was interrupted by a signal, returns -ERESTARTSYS\n"));
err = -ERESTARTSYS;
goto exit;
}
#if defined(DHD_DEBUG) && defined(DHD_FW_COREDUMP)
if (dhdp->memdump_enabled) {
dhdp->memdump_type = DUMP_TYPE_AP_LINKUP_FAILURE;
dhd_bus_mem_dump(dhdp);
}
#endif /* DHD_DEBUG && DHD_FW_COREDUMP */
err = -ENODEV;
goto exit;
}
SUPP_LOG(("AP/GO Link up\n"));
exit:
if (cfg->wep_key.len) {
memset(&cfg->wep_key, 0, sizeof(struct wl_wsec_key));
}
#ifdef MFP
if (cfg->mfp_mode) {
cfg->mfp_mode = 0;
}
if (cfg->bip_pos) {
cfg->bip_pos = NULL;
}
#endif /* MFP */
if (err) {
SUPP_LOG(("AP/GO bring up fail. err:%d\n", err));
}
return err;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || defined(WL_COMPAT_WIRELESS)
s32
wl_cfg80211_parse_ap_ies(
struct net_device *dev,
struct cfg80211_beacon_data *info,
struct parsed_ies *ies)
{
struct parsed_ies prb_ies;
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
const u8 *vndr = NULL;
u32 vndr_ie_len = 0;
s32 err = BCME_OK;
/* Parse Beacon IEs */
if (wl_cfg80211_parse_ies((const u8 *)info->tail,
info->tail_len, ies) < 0) {
WL_ERR(("Beacon get IEs failed \n"));
err = -EINVAL;
goto fail;
}
vndr = (const u8 *)info->proberesp_ies;
vndr_ie_len = info->proberesp_ies_len;
if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) {
/* SoftAP mode */
const struct ieee80211_mgmt *mgmt;
mgmt = (const struct ieee80211_mgmt *)info->probe_resp;
if (mgmt != NULL) {
vndr = (const u8 *)&mgmt->u.probe_resp.variable;
vndr_ie_len = info->probe_resp_len -
offsetof(const struct ieee80211_mgmt, u.probe_resp.variable);
}
}
/* Parse Probe Response IEs */
if (wl_cfg80211_parse_ies((const u8 *)vndr, vndr_ie_len, &prb_ies) < 0) {
WL_ERR(("PROBE RESP get IEs failed \n"));
err = -EINVAL;
}
fail:
return err;
}
s32
wl_cfg80211_set_ies(
struct net_device *dev,
struct cfg80211_beacon_data *info,
s32 bssidx)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
const u8 *vndr = NULL;
u32 vndr_ie_len = 0;
s32 err = BCME_OK;
/* Set Beacon IEs to FW */
if ((err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx,
VNDR_IE_BEACON_FLAG, (const u8 *)info->tail,
info->tail_len)) < 0) {
WL_ERR(("Set Beacon IE Failed \n"));
} else {
WL_DBG(("Applied Vndr IEs for Beacon \n"));
}
vndr = (const u8 *)info->proberesp_ies;
vndr_ie_len = info->proberesp_ies_len;
if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) {
/* SoftAP mode */
const struct ieee80211_mgmt *mgmt;
mgmt = (const struct ieee80211_mgmt *)info->probe_resp;
if (mgmt != NULL) {
vndr = (const u8 *)&mgmt->u.probe_resp.variable;
vndr_ie_len = info->probe_resp_len -
offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
}
}
/* Set Probe Response IEs to FW */
if ((err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx,
VNDR_IE_PRBRSP_FLAG, vndr, vndr_ie_len)) < 0) {
WL_ERR(("Set Probe Resp IE Failed \n"));
} else {
WL_DBG(("Applied Vndr IEs for Probe Resp \n"));
}
return err;
}
#endif /* LINUX_VERSION >= VERSION(3,4,0) || WL_COMPAT_WIRELESS */
static s32 wl_cfg80211_hostapd_sec(
struct net_device *dev,
struct parsed_ies *ies,
s32 bssidx)
{
bool update_bss = 0;
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
wl_cfgbss_t *bss = wl_get_cfgbss_by_wdev(cfg, dev->ieee80211_ptr);
if (!bss) {
WL_ERR(("cfgbss is NULL \n"));
return -EINVAL;
}
if (ies->wps_ie) {
if (bss->wps_ie &&
memcmp(bss->wps_ie, ies->wps_ie, ies->wps_ie_len)) {
WL_DBG((" WPS IE is changed\n"));
MFREE(cfg->osh, bss->wps_ie, bss->wps_ie[1] + 2);
bss->wps_ie = MALLOCZ(cfg->osh, ies->wps_ie_len);
if (bss->wps_ie) {
memcpy(bss->wps_ie, ies->wps_ie, ies->wps_ie_len);
}
} else if (bss->wps_ie == NULL) {
WL_DBG((" WPS IE is added\n"));
bss->wps_ie = MALLOCZ(cfg->osh, ies->wps_ie_len);
if (bss->wps_ie) {
memcpy(bss->wps_ie, ies->wps_ie, ies->wps_ie_len);
}
}
#if defined(SUPPORT_SOFTAP_WPAWPA2_MIXED)
if (ies->wpa_ie != NULL && ies->wpa2_ie != NULL) {
WL_ERR(("update bss - wpa_ie and wpa2_ie is not null\n"));
if (!bss->security_mode) {
/* change from open mode to security mode */
update_bss = true;
bss->wpa_ie = MALLOCZ(cfg->osh,
ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN);
if (bss->wpa_ie) {
memcpy(bss->wpa_ie, ies->wpa_ie,
ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN);
}
bss->rsn_ie = MALLOCZ(cfg->osh,
ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN);
if (bss->rsn_ie) {
memcpy(bss->rsn_ie, ies->wpa2_ie,
ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN);
}
} else {
/* change from (WPA or WPA2 or WPA/WPA2) to WPA/WPA2 mixed mode */
if (bss->wpa_ie) {
if (memcmp(bss->wpa_ie,
ies->wpa_ie, ies->wpa_ie->length +
WPA_RSN_IE_TAG_FIXED_LEN)) {
MFREE(cfg->osh, bss->wpa_ie,
bss->wpa_ie[1] + WPA_RSN_IE_TAG_FIXED_LEN);
update_bss = true;
bss->wpa_ie = MALLOCZ(cfg->osh,
ies->wpa_ie->length
+ WPA_RSN_IE_TAG_FIXED_LEN);
if (bss->wpa_ie) {
memcpy(bss->wpa_ie, ies->wpa_ie,
ies->wpa_ie->length
+ WPA_RSN_IE_TAG_FIXED_LEN);
}
}
}
else {
update_bss = true;
bss->wpa_ie = MALLOCZ(cfg->osh,
ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN);
if (bss->wpa_ie) {
memcpy(bss->wpa_ie, ies->wpa_ie,
ies->wpa_ie->length
+ WPA_RSN_IE_TAG_FIXED_LEN);
}
}
if (bss->rsn_ie) {
if (memcmp(bss->rsn_ie,
ies->wpa2_ie,
ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN)) {
update_bss = true;
MFREE(cfg->osh, bss->rsn_ie,
bss->rsn_ie[1] + WPA_RSN_IE_TAG_FIXED_LEN);
bss->rsn_ie = MALLOCZ(cfg->osh,
ies->wpa2_ie->len
+ WPA_RSN_IE_TAG_FIXED_LEN);
if (bss->rsn_ie) {
memcpy(bss->rsn_ie, ies->wpa2_ie,
ies->wpa2_ie->len
+ WPA_RSN_IE_TAG_FIXED_LEN);
}
}
}
else {
update_bss = true;
bss->rsn_ie = MALLOCZ(cfg->osh,
ies->wpa2_ie->len
+ WPA_RSN_IE_TAG_FIXED_LEN);
if (bss->rsn_ie) {
memcpy(bss->rsn_ie, ies->wpa2_ie,
ies->wpa2_ie->len
+ WPA_RSN_IE_TAG_FIXED_LEN);
}
}
}
WL_ERR(("update_bss=%d\n", update_bss));
if (update_bss) {
bss->security_mode = true;
wl_cfg80211_bss_up(cfg, dev, bssidx, 0);
if (wl_validate_wpaie_wpa2ie(dev, ies->wpa_ie,
ies->wpa2_ie, bssidx) < 0) {
return BCME_ERROR;
}
wl_cfg80211_bss_up(cfg, dev, bssidx, 1);
}
}
else
#endif /* SUPPORT_SOFTAP_WPAWPA2_MIXED */
if ((ies->wpa_ie != NULL || ies->wpa2_ie != NULL)) {
if (!bss->security_mode) {
/* change from open mode to security mode */
update_bss = true;
if (ies->wpa_ie != NULL) {
bss->wpa_ie = MALLOCZ(cfg->osh,
ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN);
if (bss->wpa_ie) {
memcpy(bss->wpa_ie,
ies->wpa_ie,
ies->wpa_ie->length
+ WPA_RSN_IE_TAG_FIXED_LEN);
}
} else {
bss->rsn_ie = MALLOCZ(cfg->osh,
ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN);
if (bss->rsn_ie) {
memcpy(bss->rsn_ie,
ies->wpa2_ie,
ies->wpa2_ie->len
+ WPA_RSN_IE_TAG_FIXED_LEN);
}
}
} else if (bss->wpa_ie) {
/* change from WPA2 mode to WPA mode */
if (ies->wpa_ie != NULL) {
update_bss = true;
MFREE(cfg->osh, bss->rsn_ie,
bss->rsn_ie[1] + WPA_RSN_IE_TAG_FIXED_LEN);
bss->rsn_ie = NULL;
bss->wpa_ie = MALLOCZ(cfg->osh,
ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN);
if (bss->wpa_ie) {
memcpy(bss->wpa_ie,
ies->wpa_ie,
ies->wpa_ie->length
+ WPA_RSN_IE_TAG_FIXED_LEN);
}
} else if (memcmp(bss->rsn_ie,
ies->wpa2_ie, ies->wpa2_ie->len
+ WPA_RSN_IE_TAG_FIXED_LEN)) {
update_bss = true;
MFREE(cfg->osh, bss->rsn_ie,
bss->rsn_ie[1] + WPA_RSN_IE_TAG_FIXED_LEN);
bss->rsn_ie = MALLOCZ(cfg->osh,
ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN);
if (bss->rsn_ie) {
memcpy(bss->rsn_ie,
ies->wpa2_ie,
ies->wpa2_ie->len
+ WPA_RSN_IE_TAG_FIXED_LEN);
}
bss->wpa_ie = NULL;
}
}
if (update_bss) {
bss->security_mode = true;
wl_cfg80211_bss_up(cfg, dev, bssidx, 0);
if (wl_validate_wpa2ie(dev, ies->wpa2_ie, bssidx) < 0 ||
wl_validate_wpaie(dev, ies->wpa_ie, bssidx) < 0) {
return BCME_ERROR;
}
wl_cfg80211_bss_up(cfg, dev, bssidx, 1);
}
}
} else {
WL_ERR(("No WPSIE in beacon \n"));
}
return 0;
}
static s32
#if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \
2, 0))
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
wl_cfg80211_del_station(
struct wiphy *wiphy, struct net_device *ndev,
struct station_del_parameters *params)
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
wl_cfg80211_del_station(
struct wiphy *wiphy,
struct net_device *ndev,
const u8* mac_addr)
#else
wl_cfg80211_del_station(
struct wiphy *wiphy,
struct net_device *ndev,
u8* mac_addr)
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) */
{
struct net_device *dev;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
scb_val_t scb_val;
s8 eabuf[ETHER_ADDR_STR_LEN];
int err;
char mac_buf[MAX_NUM_OF_ASSOCIATED_DEV *
sizeof(struct ether_addr) + sizeof(uint)] = {0};
struct maclist *assoc_maclist = (struct maclist *)mac_buf;
int num_associated = 0;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
const u8 *mac_addr = params->mac;
#ifdef CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE
u16 rc = params->reason_code;
#endif /* CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE */
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) */
WL_DBG(("Entry\n"));
if (mac_addr == NULL) {
WL_DBG(("mac_addr is NULL ignore it\n"));
return 0;
}
dev = ndev_to_wlc_ndev(ndev, cfg);
if (p2p_is_on(cfg)) {
/* Suspend P2P discovery search-listen to prevent it from changing the
* channel.
*/
if ((wl_cfgp2p_discover_enable_search(cfg, false)) < 0) {
WL_ERR(("Can not disable discovery mode\n"));
return -EFAULT;
}
}
err = wl_cfg80211_check_in4way(cfg, ndev, DONT_DELETE_GC_AFTER_WPS,
WL_EXT_STATUS_DELETE_STA, (void *)mac_addr);
if (err) {
return 0;
}
assoc_maclist->count = MAX_NUM_OF_ASSOCIATED_DEV;
err = wldev_ioctl_get(ndev, WLC_GET_ASSOCLIST,
assoc_maclist, sizeof(mac_buf));
if (err < 0)
WL_ERR(("WLC_GET_ASSOCLIST error %d\n", err));
else
num_associated = assoc_maclist->count;
memcpy(scb_val.ea.octet, mac_addr, ETHER_ADDR_LEN);
#ifdef CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
if (rc == DOT11_RC_8021X_AUTH_FAIL) {
WL_ERR(("deauth will be sent at F/W\n"));
scb_val.val = DOT11_RC_8021X_AUTH_FAIL;
} else {
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) */
#endif /* CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE */
#ifdef WL_WPS_SYNC
if (wl_wps_session_update(ndev,
WPS_STATE_DISCONNECT_CLIENT, mac_addr) == BCME_UNSUPPORTED) {
/* Ignore disconnect command from upper layer */
WL_INFORM_MEM(("[WPS] Ignore client disconnect.\n"));
} else
#endif /* WL_WPS_SYNC */
{
/* need to guarantee EAP-Failure send out before deauth */
dhd_wait_pend8021x(dev);
scb_val.val = DOT11_RC_DEAUTH_LEAVING;
err = wldev_ioctl_set(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scb_val,
sizeof(scb_val_t));
if (err < 0) {
WL_ERR(("WLC_SCB_DEAUTHENTICATE_FOR_REASON err %d\n", err));
}
WL_INFORM_MEM(("Disconnect STA : " MACDBG " scb_val.val %d\n",
MAC2STRDBG(bcm_ether_ntoa((const struct ether_addr *)mac_addr,
eabuf)), scb_val.val));
}
#ifdef CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
}
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) */
#endif /* CUSTOM_BLOCK_DEAUTH_AT_EAP_FAILURE */
if (num_associated > 0 && ETHER_ISBCAST(mac_addr))
wl_delay(400);
return 0;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
static s32
wl_cfg80211_change_station(
struct wiphy *wiphy,
struct net_device *dev,
const u8 *mac,
struct station_parameters *params)
#else
static s32
wl_cfg80211_change_station(
struct wiphy *wiphy,
struct net_device *dev,
u8 *mac,
struct station_parameters *params)
#endif // endif
{
int err;
#if defined(DHD_LOSSLESS_ROAMING) || defined(WL_ENABLE_P2P_IF)
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
#endif // endif
struct net_device *ndev = ndev_to_wlc_ndev(dev, cfg);
WL_DBG(("SCB_AUTHORIZE mac_addr:"MACDBG" sta_flags_mask:0x%x "
"sta_flags_set:0x%x iface:%s \n", MAC2STRDBG(mac),
params->sta_flags_mask, params->sta_flags_set, ndev->name));
/* Processing only authorize/de-authorize flag for now */
if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) {
WL_ERR(("WLC_SCB_AUTHORIZE sta_flags_mask not set \n"));
return -ENOTSUPP;
}
if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))) {
err = wldev_ioctl_set(ndev, WLC_SCB_DEAUTHORIZE, mac, ETH_ALEN);
if (unlikely(err)) {
WL_ERR(("WLC_SCB_DEAUTHORIZE error (%d)\n", err));
} else {
WL_INFORM_MEM(("[%s] WLC_SCB_DEAUTHORIZE " MACDBG "\n",
ndev->name, MAC2STRDBG(mac)));
}
return err;
}
err = wldev_ioctl_set(ndev, WLC_SCB_AUTHORIZE, mac, ETH_ALEN);
if (unlikely(err)) {
WL_ERR(("WLC_SCB_AUTHORIZE error (%d)\n", err));
} else {
WL_INFORM_MEM(("[%s] WLC_SCB_AUTHORIZE " MACDBG "\n",
ndev->name, MAC2STRDBG(mac)));
#ifdef WL_WPS_SYNC
wl_wps_session_update(ndev, WPS_STATE_AUTHORIZE, mac);
#endif /* WL_WPS_SYNC */
}
#ifdef DHD_LOSSLESS_ROAMING
wl_del_roam_timeout(cfg);
#endif // endif
return err;
}
#endif /* WL_SUPPORT_BACKPORTED_KPATCHES || KERNEL_VER >= KERNEL_VERSION(3, 2, 0)) */
static s32
wl_cfg80211_set_scb_timings(
struct bcm_cfg80211 *cfg,
struct net_device *dev)
{
int err;
u32 ps_pretend;
wl_scb_probe_t scb_probe;
u32 ps_pretend_retries;
bzero(&scb_probe, sizeof(wl_scb_probe_t));
scb_probe.scb_timeout = WL_SCB_TIMEOUT;
scb_probe.scb_activity_time = WL_SCB_ACTIVITY_TIME;
scb_probe.scb_max_probe = WL_SCB_MAX_PROBE;
err = wldev_iovar_setbuf(dev, "scb_probe", (void *)&scb_probe,
sizeof(wl_scb_probe_t), cfg->ioctl_buf, WLC_IOCTL_SMLEN,
&cfg->ioctl_buf_sync);
if (unlikely(err)) {
WL_ERR(("set 'scb_probe' failed, error = %d\n", err));
return err;
}
ps_pretend_retries = WL_PSPRETEND_RETRY_LIMIT;
err = wldev_iovar_setint(dev, "pspretend_retry_limit", ps_pretend_retries);
if (unlikely(err)) {
if (err == BCME_UNSUPPORTED) {
/* Ignore error if fw doesn't support the iovar */
WL_DBG(("set 'pspretend_retry_limit %d' failed, error = %d\n",
ps_pretend_retries, err));
} else {
WL_ERR(("set 'pspretend_retry_limit %d' failed, error = %d\n",
ps_pretend_retries, err));
return err;
}
}
ps_pretend = MAX(WL_SCB_MAX_PROBE / 2, WL_MIN_PSPRETEND_THRESHOLD);
err = wldev_iovar_setint(dev, "pspretend_threshold", ps_pretend);
if (unlikely(err)) {
if (err == BCME_UNSUPPORTED) {
/* Ignore error if fw doesn't support the iovar */
WL_DBG(("wl pspretend_threshold %d set error %d\n",
ps_pretend, err));
} else {
WL_ERR(("wl pspretend_threshold %d set error %d\n",
ps_pretend, err));
return err;
}
}
return 0;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || defined(WL_COMPAT_WIRELESS)
static s32
wl_cfg80211_start_ap(
struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_ap_settings *info)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
s32 err = BCME_OK;
struct parsed_ies ies;
s32 bssidx = 0;
u32 dev_role = 0;
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
WL_DBG(("Enter \n"));
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
return BCME_ERROR;
}
if (p2p_is_on(cfg) && (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO)) {
dev_role = NL80211_IFTYPE_P2P_GO;
} else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) {
dev_role = NL80211_IFTYPE_AP;
dhd->op_mode |= DHD_FLAG_HOSTAP_MODE;
err = dhd_ndo_enable(dhd, FALSE);
WL_DBG(("%s: Disabling NDO on Hostapd mode %d\n", __FUNCTION__, err));
if (err) {
WL_ERR(("%s: Disabling NDO Failed %d\n", __FUNCTION__, err));
}
#ifdef PKT_FILTER_SUPPORT
/* Disable packet filter */
if (dhd->early_suspended) {
WL_ERR(("Disable pkt_filter\n"));
dhd_enable_packet_filter(0, dhd);
}
#endif /* PKT_FILTER_SUPPORT */
#ifdef ARP_OFFLOAD_SUPPORT
/* IF SoftAP is enabled, disable arpoe */
if (dhd->op_mode & DHD_FLAG_STA_MODE) {
dhd_arp_offload_set(dhd, 0);
dhd_arp_offload_enable(dhd, FALSE);
}
#endif /* ARP_OFFLOAD_SUPPORT */
} else {
/* only AP or GO role need to be handled here. */
err = -EINVAL;
goto fail;
}
/* disable TDLS */
#ifdef WLTDLS
if (bssidx == 0) {
/* Disable TDLS for primary Iface. For virtual interface,
* tdls disable will happen from interface create context
*/
wl_cfg80211_tdls_config(cfg, TDLS_STATE_AP_CREATE, false);
}
#endif /* WLTDLS */
if (!check_dev_role_integrity(cfg, dev_role)) {
err = -EINVAL;
goto fail;
}
#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) && !defined(WL_COMPAT_WIRELESS))
if ((err = wl_cfg80211_set_channel(wiphy, dev,
dev->ieee80211_ptr->preset_chandef.chan,
NL80211_CHAN_HT20) < 0)) {
WL_ERR(("Set channel failed \n"));
goto fail;
}
#endif /* ((LINUX_VERSION >= VERSION(3, 6, 0) && !WL_COMPAT_WIRELESS) */
if ((err = wl_cfg80211_bcn_set_params(info, dev,
dev_role, bssidx)) < 0) {
WL_ERR(("Beacon params set failed \n"));
goto fail;
}
/* Parse IEs */
if ((err = wl_cfg80211_parse_ap_ies(dev, &info->beacon, &ies)) < 0) {
WL_ERR(("Set IEs failed \n"));
goto fail;
}
if ((err = wl_cfg80211_bcn_validate_sec(dev, &ies,
dev_role, bssidx, info->privacy)) < 0)
{
WL_ERR(("Beacon set security failed \n"));
goto fail;
}
if ((err = wl_cfg80211_bcn_bringup_ap(dev, &ies,
dev_role, bssidx)) < 0) {
WL_ERR(("Beacon bring up AP/GO failed \n"));
goto fail;
}
/* Set GC/STA SCB expiry timings. */
if ((err = wl_cfg80211_set_scb_timings(cfg, dev))) {
WL_ERR(("scb setting failed \n"));
// goto fail;
}
WL_DBG(("** AP/GO Created **\n"));
#ifdef WL_CFG80211_ACL
/* Enfoce Admission Control. */
if ((err = wl_cfg80211_set_mac_acl(wiphy, dev, info->acl)) < 0) {
WL_ERR(("Set ACL failed\n"));
}
#endif /* WL_CFG80211_ACL */
/* Set IEs to FW */
if ((err = wl_cfg80211_set_ies(dev, &info->beacon, bssidx)) < 0)
WL_ERR(("Set IEs failed \n"));
/* Enable Probe Req filter, WPS-AP certification 4.2.13 */
if ((dev_role == NL80211_IFTYPE_AP) && (ies.wps_ie != NULL)) {
bool pbc = 0;
wl_validate_wps_ie((const char *) ies.wps_ie, ies.wps_ie_len, &pbc);
if (pbc) {
WL_DBG(("set WLC_E_PROBREQ_MSG\n"));
wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, true);
}
}
#ifdef SUPPORT_AP_RADIO_PWRSAVE
if (dev_role == NL80211_IFTYPE_AP) {
if (!wl_set_ap_rps(dev, FALSE, dev->name)) {
wl_cfg80211_init_ap_rps(cfg);
} else {
WL_ERR(("Set rpsnoa failed \n"));
}
}
#endif /* SUPPORT_AP_RADIO_PWRSAVE */
#ifdef WL_IRQSET
dhd_irq_set_affinity(dhd);
#endif /* WL_IRQSET */
fail:
if (err) {
WL_ERR(("ADD/SET beacon failed\n"));
wl_flush_fw_log_buffer(dev, FW_LOGSET_MASK_ALL);
wl_cfg80211_stop_ap(wiphy, dev);
if (dev_role == NL80211_IFTYPE_AP) {
dhd->op_mode &= ~DHD_FLAG_HOSTAP_MODE;
#ifdef PKT_FILTER_SUPPORT
/* Enable packet filter */
if (dhd->early_suspended) {
WL_ERR(("Enable pkt_filter\n"));
dhd_enable_packet_filter(1, dhd);
}
#endif /* PKT_FILTER_SUPPORT */
#ifdef ARP_OFFLOAD_SUPPORT
/* IF SoftAP is disabled, enable arpoe back for STA mode. */
if (dhd->op_mode & DHD_FLAG_STA_MODE) {
dhd_arp_offload_set(dhd, dhd_arp_mode);
dhd_arp_offload_enable(dhd, TRUE);
}
#endif /* ARP_OFFLOAD_SUPPORT */
#ifdef DISABLE_WL_FRAMEBURST_SOFTAP
wl_cfg80211_set_frameburst(cfg, TRUE);
#endif /* DISABLE_WL_FRAMEBURST_SOFTAP */
}
#ifdef WLTDLS
if (bssidx == 0) {
/* Since AP creation failed, re-enable TDLS */
wl_cfg80211_tdls_config(cfg, TDLS_STATE_AP_DELETE, false);
}
#endif /* WLTDLS */
}
return err;
}
static s32
wl_cfg80211_stop_ap(
struct wiphy *wiphy,
struct net_device *dev)
{
int err = 0;
u32 dev_role = 0;
int ap = 0;
s32 bssidx = 0;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
s32 is_rsdb_supported = BCME_ERROR;
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
WL_DBG(("Enter \n"));
is_rsdb_supported = DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_RSDB_MODE);
if (is_rsdb_supported < 0)
return (-ENODEV);
wl_clr_drv_status(cfg, AP_CREATING, dev);
wl_clr_drv_status(cfg, AP_CREATED, dev);
cfg->ap_oper_channel = 0;
if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) {
dev_role = NL80211_IFTYPE_AP;
WL_DBG(("stopping AP operation\n"));
} else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) {
dev_role = NL80211_IFTYPE_P2P_GO;
WL_DBG(("stopping P2P GO operation\n"));
} else {
WL_ERR(("no AP/P2P GO interface is operational.\n"));
return -EINVAL;
}
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
return BCME_ERROR;
}
if (!check_dev_role_integrity(cfg, dev_role)) {
WL_ERR(("role integrity check failed \n"));
err = -EINVAL;
goto exit;
}
/* Free up resources */
wl_cfg80211_cleanup_if(dev);
/* Clear AP/GO connected status */
wl_clr_drv_status(cfg, CONNECTED, dev);
if ((err = wl_cfg80211_bss_up(cfg, dev, bssidx, 0)) < 0) {
WL_ERR(("bss down error %d\n", err));
}
if (dev_role == NL80211_IFTYPE_AP) {
#ifdef DISABLE_WL_FRAMEBURST_SOFTAP
wl_cfg80211_set_frameburst(cfg, TRUE);
#endif /* DISABLE_WL_FRAMEBURST_SOFTAP */
#ifdef PKT_FILTER_SUPPORT
/* Enable packet filter */
if (dhd->early_suspended) {
WL_ERR(("Enable pkt_filter\n"));
dhd_enable_packet_filter(1, dhd);
}
#endif /* PKT_FILTER_SUPPORT */
#ifdef ARP_OFFLOAD_SUPPORT
/* IF SoftAP is disabled, enable arpoe back for STA mode. */
if (dhd->op_mode & DHD_FLAG_STA_MODE) {
dhd_arp_offload_set(dhd, dhd_arp_mode);
dhd_arp_offload_enable(dhd, TRUE);
}
#endif /* ARP_OFFLOAD_SUPPORT */
if (is_rsdb_supported == 0) {
/* For non-rsdb chips, we use stand alone AP. Do wl down on stop AP */
err = wldev_ioctl_set(dev, WLC_UP, &ap, sizeof(s32));
if (unlikely(err)) {
WL_ERR(("WLC_UP error (%d)\n", err));
err = -EINVAL;
goto exit;
}
}
wl_cfg80211_clear_per_bss_ies(cfg, dev->ieee80211_ptr);
#ifdef SUPPORT_AP_RADIO_PWRSAVE
if (!wl_set_ap_rps(dev, FALSE, dev->name)) {
wl_cfg80211_init_ap_rps(cfg);
} else {
WL_ERR(("Set rpsnoa failed \n"));
}
#endif /* SUPPORT_AP_RADIO_PWRSAVE */
} else {
WL_DBG(("Stopping P2P GO \n"));
DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE((dhd_pub_t *)(cfg->pub),
DHD_EVENT_TIMEOUT_MS*3);
DHD_OS_WAKE_LOCK_TIMEOUT((dhd_pub_t *)(cfg->pub));
}
SUPP_LOG(("AP/GO Link down\n"));
exit:
if (err) {
/* In case of failure, flush fw logs */
wl_flush_fw_log_buffer(dev, FW_LOGSET_MASK_ALL);
SUPP_LOG(("AP/GO Link down fail. err:%d\n", err));
}
#ifdef WLTDLS
if (bssidx == 0) {
/* re-enable TDLS if the number of connected interfaces is less than 2 */
wl_cfg80211_tdls_config(cfg, TDLS_STATE_AP_DELETE, false);
}
#endif /* WLTDLS */
if (dev_role == NL80211_IFTYPE_AP) {
/* clear the AP mode */
dhd->op_mode &= ~DHD_FLAG_HOSTAP_MODE;
}
return err;
}
static s32
wl_cfg80211_change_beacon(
struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_beacon_data *info)
{
s32 err = BCME_OK;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct parsed_ies ies;
u32 dev_role = 0;
s32 bssidx = 0;
bool pbc = 0;
WL_DBG(("Enter \n"));
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
return BCME_ERROR;
}
if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) {
dev_role = NL80211_IFTYPE_P2P_GO;
} else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) {
dev_role = NL80211_IFTYPE_AP;
} else {
err = -EINVAL;
goto fail;
}
if (!check_dev_role_integrity(cfg, dev_role)) {
err = -EINVAL;
goto fail;
}
if ((dev_role == NL80211_IFTYPE_P2P_GO) && (cfg->p2p_wdev == NULL)) {
WL_ERR(("P2P already down status!\n"));
err = BCME_ERROR;
goto fail;
}
/* Parse IEs */
if ((err = wl_cfg80211_parse_ap_ies(dev, info, &ies)) < 0) {
WL_ERR(("Parse IEs failed \n"));
goto fail;
}
/* Set IEs to FW */
if ((err = wl_cfg80211_set_ies(dev, info, bssidx)) < 0) {
WL_ERR(("Set IEs failed \n"));
goto fail;
}
if (dev_role == NL80211_IFTYPE_AP) {
if (wl_cfg80211_hostapd_sec(dev, &ies, bssidx) < 0) {
WL_ERR(("Hostapd update sec failed \n"));
err = -EINVAL;
goto fail;
}
/* Enable Probe Req filter, WPS-AP certification 4.2.13 */
if ((dev_role == NL80211_IFTYPE_AP) && (ies.wps_ie != NULL)) {
wl_validate_wps_ie((const char *) ies.wps_ie, ies.wps_ie_len, &pbc);
WL_DBG((" WPS AP, wps_ie is exists pbc=%d\n", pbc));
if (pbc)
wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, true);
else
wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, false);
}
}
fail:
if (err) {
wl_flush_fw_log_buffer(dev, FW_LOGSET_MASK_ALL);
}
return err;
}
#else
static s32
wl_cfg80211_add_set_beacon(struct wiphy *wiphy, struct net_device *dev,
struct beacon_parameters *info)
{
s32 err = BCME_OK;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
s32 ie_offset = 0;
s32 bssidx = 0;
u32 dev_role = NL80211_IFTYPE_AP;
struct parsed_ies ies;
bcm_tlv_t *ssid_ie;
bool pbc = 0;
bool privacy;
bool is_bss_up = 0;
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
WL_DBG(("interval (%d) dtim_period (%d) head_len (%d) tail_len (%d)\n",
info->interval, info->dtim_period, info->head_len, info->tail_len));
if (dev == bcmcfg_to_prmry_ndev(cfg)) {
dev_role = NL80211_IFTYPE_AP;
}
#if defined(WL_ENABLE_P2P_IF)
else if (dev == cfg->p2p_net) {
/* Group Add request on p2p0 */
dev = bcmcfg_to_prmry_ndev(cfg);
dev_role = NL80211_IFTYPE_P2P_GO;
}
#endif /* WL_ENABLE_P2P_IF */
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("Find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
return BCME_ERROR;
}
if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) {
dev_role = NL80211_IFTYPE_P2P_GO;
} else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) {
dhd->op_mode |= DHD_FLAG_HOSTAP_MODE;
}
if (!check_dev_role_integrity(cfg, dev_role)) {
err = -ENODEV;
goto fail;
}
if ((dev_role == NL80211_IFTYPE_P2P_GO) && (cfg->p2p_wdev == NULL)) {
WL_ERR(("P2P already down status!\n"));
err = BCME_ERROR;
goto fail;
}
ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
/* find the SSID */
if ((ssid_ie = bcm_parse_tlvs((u8 *)&info->head[ie_offset],
info->head_len - ie_offset,
DOT11_MNG_SSID_ID)) != NULL) {
if (dev_role == NL80211_IFTYPE_AP) {
/* Store the hostapd SSID */
memset(&cfg->hostapd_ssid.SSID[0], 0x00, DOT11_MAX_SSID_LEN);
cfg->hostapd_ssid.SSID_len = MIN(ssid_ie->len, DOT11_MAX_SSID_LEN);
memcpy(&cfg->hostapd_ssid.SSID[0], ssid_ie->data,
cfg->hostapd_ssid.SSID_len);
} else {
/* P2P GO */
memset(&cfg->p2p->ssid.SSID[0], 0x00, DOT11_MAX_SSID_LEN);
cfg->p2p->ssid.SSID_len = MIN(ssid_ie->len, DOT11_MAX_SSID_LEN);
memcpy(cfg->p2p->ssid.SSID, ssid_ie->data,
cfg->p2p->ssid.SSID_len);
}
}
if (wl_cfg80211_parse_ies((u8 *)info->tail,
info->tail_len, &ies) < 0) {
WL_ERR(("Beacon get IEs failed \n"));
err = -EINVAL;
goto fail;
}
if ((err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx,
VNDR_IE_BEACON_FLAG, (u8 *)info->tail,
info->tail_len)) < 0) {
WL_ERR(("Beacon set IEs failed \n"));
goto fail;
} else {
WL_DBG(("Applied Vndr IEs for Beacon \n"));
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0))
if ((err = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(dev), bssidx,
VNDR_IE_PRBRSP_FLAG, (u8 *)info->proberesp_ies,
info->proberesp_ies_len)) < 0) {
WL_ERR(("ProbeRsp set IEs failed \n"));
goto fail;
} else {
WL_DBG(("Applied Vndr IEs for ProbeRsp \n"));
}
#endif // endif
is_bss_up = wl_cfg80211_bss_isup(dev, bssidx);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0))
privacy = info->privacy;
#else
privacy = 0;
#endif // endif
if (!is_bss_up &&
(wl_cfg80211_bcn_validate_sec(dev, &ies, dev_role, bssidx, privacy) < 0))
{
WL_ERR(("Beacon set security failed \n"));
err = -EINVAL;
goto fail;
}
/* Set BI and DTIM period */
if (info->interval) {
if ((err = wldev_ioctl_set(dev, WLC_SET_BCNPRD,
&info->interval, sizeof(s32))) < 0) {
WL_ERR(("Beacon Interval Set Error, %d\n", err));
return err;
}
}
if (info->dtim_period) {
if ((err = wldev_ioctl_set(dev, WLC_SET_DTIMPRD,
&info->dtim_period, sizeof(s32))) < 0) {
WL_ERR(("DTIM Interval Set Error, %d\n", err));
return err;
}
}
/* If bss is already up, skip bring up */
if (!is_bss_up &&
(err = wl_cfg80211_bcn_bringup_ap(dev, &ies, dev_role, bssidx)) < 0)
{
WL_ERR(("Beacon bring up AP/GO failed \n"));
goto fail;
}
/* Set GC/STA SCB expiry timings. */
if ((err = wl_cfg80211_set_scb_timings(cfg, dev))) {
WL_ERR(("scb setting failed \n"));
// goto fail;
}
if (wl_get_drv_status(cfg, AP_CREATED, dev)) {
/* Soft AP already running. Update changed params */
if (wl_cfg80211_hostapd_sec(dev, &ies, bssidx) < 0) {
WL_ERR(("Hostapd update sec failed \n"));
err = -EINVAL;
goto fail;
}
}
/* Enable Probe Req filter */
if (((dev_role == NL80211_IFTYPE_P2P_GO) ||
(dev_role == NL80211_IFTYPE_AP)) && (ies.wps_ie != NULL)) {
wl_validate_wps_ie((char *) ies.wps_ie, ies.wps_ie_len, &pbc);
if (pbc)
wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, true);
}
WL_DBG(("** ADD/SET beacon done **\n"));
fail:
if (err) {
WL_ERR(("ADD/SET beacon failed\n"));
if (dev_role == NL80211_IFTYPE_AP) {
/* clear the AP mode */
dhd->op_mode &= ~DHD_FLAG_HOSTAP_MODE;
}
}
return err;
}
static s32
wl_cfg80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
{
int err = 0;
s32 bssidx = 0;
int infra = 0;
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
WL_DBG(("Enter. \n"));
if (!wdev) {
WL_ERR(("wdev null \n"));
return -EINVAL;
}
if ((wdev->iftype != NL80211_IFTYPE_P2P_GO) && (wdev->iftype != NL80211_IFTYPE_AP)) {
WL_ERR(("Unspported iface type iftype:%d \n", wdev->iftype));
}
wl_clr_drv_status(cfg, AP_CREATING, dev);
wl_clr_drv_status(cfg, AP_CREATED, dev);
/* Clear AP/GO connected status */
wl_clr_drv_status(cfg, CONNECTED, dev);
cfg->ap_oper_channel = 0;
if ((bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr)) < 0) {
WL_ERR(("find p2p index from wdev(%p) failed\n", dev->ieee80211_ptr));
return BCME_ERROR;
}
/* Do bss down */
if ((err = wl_cfg80211_bss_up(cfg, dev, bssidx, 0)) < 0) {
WL_ERR(("bss down error %d\n", err));
}
/* fall through is intentional */
err = wldev_ioctl_set(dev, WLC_SET_INFRA, &infra, sizeof(s32));
if (err < 0) {
WL_ERR(("SET INFRA error %d\n", err));
}
wl_cfg80211_clear_per_bss_ies(cfg, dev->ieee80211_ptr);
if (wdev->iftype == NL80211_IFTYPE_AP) {
/* clear the AP mode */
dhd->op_mode &= ~DHD_FLAG_HOSTAP_MODE;
}
return 0;
}
#endif /* LINUX_VERSION < VERSION(3,4,0) || WL_COMPAT_WIRELESS */
#ifdef WL_SCHED_SCAN
#define PNO_TIME 30
#define PNO_REPEAT 4
#define PNO_FREQ_EXPO_MAX 2
static bool
is_ssid_in_list(struct cfg80211_ssid *ssid, struct cfg80211_ssid *ssid_list, int count)
{
int i;
if (!ssid || !ssid_list)
return FALSE;
for (i = 0; i < count; i++) {
if (ssid->ssid_len == ssid_list[i].ssid_len) {
if (strncmp(ssid->ssid, ssid_list[i].ssid, ssid->ssid_len) == 0)
return TRUE;
}
}
return FALSE;
}
static int
wl_cfg80211_sched_scan_start(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_sched_scan_request *request)
{
ushort pno_time = PNO_TIME;
int pno_repeat = PNO_REPEAT;
int pno_freq_expo_max = PNO_FREQ_EXPO_MAX;
wlc_ssid_ext_t ssids_local[MAX_PFN_LIST_COUNT];
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
struct cfg80211_ssid *ssid = NULL;
struct cfg80211_ssid *hidden_ssid_list = NULL;
log_conn_event_t *event_data = NULL;
tlv_log *tlv_data = NULL;
u32 alloc_len, tlv_len;
u32 payload_len;
int ssid_cnt = 0;
int i;
int ret = 0;
unsigned long flags;
if (!request) {
WL_ERR(("Sched scan request was NULL\n"));
return -EINVAL;
}
WL_DBG(("Enter \n"));
WL_PNO((">>> SCHED SCAN START\n"));
WL_PNO(("Enter n_match_sets:%d n_ssids:%d \n",
request->n_match_sets, request->n_ssids));
WL_PNO(("ssids:%d pno_time:%d pno_repeat:%d pno_freq:%d \n",
request->n_ssids, pno_time, pno_repeat, pno_freq_expo_max));
if (!request->n_ssids || !request->n_match_sets) {
WL_ERR(("Invalid sched scan req!! n_ssids:%d \n", request->n_ssids));
return -EINVAL;
}
memset(&ssids_local, 0, sizeof(ssids_local));
if (request->n_ssids > 0) {
hidden_ssid_list = request->ssids;
}
if (DBG_RING_ACTIVE(dhdp, DHD_EVENT_RING_ID)) {
alloc_len = sizeof(log_conn_event_t) + DOT11_MAX_SSID_LEN;
event_data = (log_conn_event_t *)MALLOC(cfg->osh, alloc_len);
if (!event_data) {
WL_ERR(("%s: failed to allocate log_conn_event_t with "
"length(%d)\n", __func__, alloc_len));
return -ENOMEM;
}
memset(event_data, 0, alloc_len);
event_data->tlvs = NULL;
tlv_len = sizeof(tlv_log);
event_data->tlvs = (tlv_log *)MALLOC(cfg->osh, tlv_len);
if (!event_data->tlvs) {
WL_ERR(("%s: failed to allocate log_tlv with "
"length(%d)\n", __func__, tlv_len));
MFREE(cfg->osh, event_data, alloc_len);
return -ENOMEM;
}
}
for (i = 0; i < request->n_match_sets && ssid_cnt < MAX_PFN_LIST_COUNT; i++) {
ssid = &request->match_sets[i].ssid;
/* No need to include null ssid */
if (ssid->ssid_len) {
ssids_local[ssid_cnt].SSID_len = MIN(ssid->ssid_len,
(uint32)DOT11_MAX_SSID_LEN);
memcpy(ssids_local[ssid_cnt].SSID, ssid->ssid,
ssids_local[ssid_cnt].SSID_len);
if (is_ssid_in_list(ssid, hidden_ssid_list, request->n_ssids)) {
ssids_local[ssid_cnt].hidden = TRUE;
WL_PNO((">>> PNO hidden SSID (%s) \n", ssid->ssid));
} else {
ssids_local[ssid_cnt].hidden = FALSE;
WL_PNO((">>> PNO non-hidden SSID (%s) \n", ssid->ssid));
}
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 15, 0))
if (request->match_sets[i].rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
ssids_local[ssid_cnt].rssi_thresh =
(int8)request->match_sets[i].rssi_thold;
}
#endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(3, 15, 0)) */
ssid_cnt++;
}
}
if (ssid_cnt) {
if ((ret = dhd_dev_pno_set_for_ssid(dev, ssids_local, ssid_cnt,
pno_time, pno_repeat, pno_freq_expo_max, NULL, 0)) < 0) {
WL_ERR(("PNO setup failed!! ret=%d \n", ret));
ret = -EINVAL;
goto exit;
}
if (DBG_RING_ACTIVE(dhdp, DHD_EVENT_RING_ID)) {
for (i = 0; i < ssid_cnt; i++) {
payload_len = sizeof(log_conn_event_t);
event_data->event = WIFI_EVENT_DRIVER_PNO_ADD;
tlv_data = event_data->tlvs;
/* ssid */
tlv_data->tag = WIFI_TAG_SSID;
tlv_data->len = ssids_local[i].SSID_len;
memcpy(tlv_data->value, ssids_local[i].SSID,
ssids_local[i].SSID_len);
payload_len += TLV_LOG_SIZE(tlv_data);
dhd_os_push_push_ring_data(dhdp, DHD_EVENT_RING_ID,
event_data, payload_len);
}
}
spin_lock_irqsave(&cfg->cfgdrv_lock, flags);
cfg->sched_scan_req = request;
spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags);
} else {
ret = -EINVAL;
}
exit:
if (event_data) {
MFREE(cfg->osh, event_data->tlvs, tlv_len);
MFREE(cfg->osh, event_data, alloc_len);
}
return ret;
}
static int
wl_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0))
, u64 reqid
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) */
)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
unsigned long flags;
WL_DBG(("Enter \n"));
WL_PNO((">>> SCHED SCAN STOP\n"));
if (dhd_dev_pno_stop_for_ssid(dev) < 0) {
WL_ERR(("PNO Stop for SSID failed"));
} else {
DBG_EVENT_LOG(dhdp, WIFI_EVENT_DRIVER_PNO_REMOVE);
}
if (cfg->scan_request && cfg->sched_scan_running) {
WL_PNO((">>> Sched scan running. Aborting it..\n"));
wl_notify_escan_complete(cfg, dev, true, true);
}
spin_lock_irqsave(&cfg->cfgdrv_lock, flags);
cfg->sched_scan_req = NULL;
cfg->sched_scan_running = FALSE;
spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags);
return 0;
}
#endif /* WL_SCHED_SCAN */
#ifdef WL_SUPPORT_ACS
/*
* Currently the dump_obss IOVAR is returning string as output so we need to
* parse the output buffer in an unoptimized way. Going forward if we get the
* IOVAR output in binary format this method can be optimized
*/
static int wl_parse_dump_obss(char *buf, struct wl_dump_survey *survey)
{
int i;
char *token;
char delim[] = " \n";
token = strsep(&buf, delim);
while (token != NULL) {
if (!strcmp(token, "OBSS")) {
for (i = 0; i < OBSS_TOKEN_IDX; i++)
token = strsep(&buf, delim);
survey->obss = simple_strtoul(token, NULL, 10);
}
if (!strcmp(token, "IBSS")) {
for (i = 0; i < IBSS_TOKEN_IDX; i++)
token = strsep(&buf, delim);
survey->ibss = simple_strtoul(token, NULL, 10);
}
if (!strcmp(token, "TXDur")) {
for (i = 0; i < TX_TOKEN_IDX; i++)
token = strsep(&buf, delim);
survey->tx = simple_strtoul(token, NULL, 10);
}
if (!strcmp(token, "Category")) {
for (i = 0; i < CTG_TOKEN_IDX; i++)
token = strsep(&buf, delim);
survey->no_ctg = simple_strtoul(token, NULL, 10);
}
if (!strcmp(token, "Packet")) {
for (i = 0; i < PKT_TOKEN_IDX; i++)
token = strsep(&buf, delim);
survey->no_pckt = simple_strtoul(token, NULL, 10);
}
if (!strcmp(token, "Opp(time):")) {
for (i = 0; i < IDLE_TOKEN_IDX; i++)
token = strsep(&buf, delim);
survey->idle = simple_strtoul(token, NULL, 10);
}
token = strsep(&buf, delim);
}
return 0;
}
static int wl_dump_obss(struct net_device *ndev, cca_msrmnt_query req,
struct wl_dump_survey *survey)
{
cca_stats_n_flags *results;
char *buf;
int retry, err;
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
buf = (char *)MALLOCZ(cfg->osh, sizeof(char) * WLC_IOCTL_MAXLEN);
if (unlikely(!buf)) {
WL_ERR(("%s: buf alloc failed\n", __func__));
return -ENOMEM;
}
retry = IOCTL_RETRY_COUNT;
while (retry--) {
err = wldev_iovar_getbuf(ndev, "dump_obss", &req, sizeof(req),
buf, WLC_IOCTL_MAXLEN, NULL);
if (err >= 0) {
break;
}
WL_DBG(("attempt = %d, err = %d, \n",
(IOCTL_RETRY_COUNT - retry), err));
}
if (retry <= 0) {
WL_ERR(("failure, dump_obss IOVAR failed\n"));
err = -EINVAL;
goto exit;
}
results = (cca_stats_n_flags *)(buf);
wl_parse_dump_obss(results->buf, survey);
MFREE(cfg->osh, buf, sizeof(char) * WLC_IOCTL_MAXLEN);
return 0;
exit:
MFREE(cfg->osh, buf, sizeof(char) * WLC_IOCTL_MAXLEN);
return err;
}
static int wl_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *ndev,
int idx, struct survey_info *info)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct wl_dump_survey *survey;
struct ieee80211_supported_band *band;
struct ieee80211_channel*chan;
cca_msrmnt_query req;
int val, err, noise, retry;
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
if (!(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) {
return -ENOENT;
}
band = wiphy->bands[IEEE80211_BAND_2GHZ];
if (band && idx >= band->n_channels) {
idx -= band->n_channels;
band = NULL;
}
if (!band || idx >= band->n_channels) {
/* Move to 5G band */
band = wiphy->bands[IEEE80211_BAND_5GHZ];
if (idx >= band->n_channels) {
return -ENOENT;
}
}
chan = &band->channels[idx];
/* Setting current channel to the requested channel */
if ((err = wl_cfg80211_set_channel(wiphy, ndev, chan,
NL80211_CHAN_HT20) < 0)) {
WL_ERR(("Set channel failed \n"));
}
if (!idx) {
/* Set interface up, explicitly. */
val = 1;
err = wldev_ioctl_set(ndev, WLC_UP, (void *)&val, sizeof(val));
if (err < 0) {
WL_ERR(("set interface up failed, error = %d\n", err));
}
}
/* Get noise value */
retry = IOCTL_RETRY_COUNT;
while (retry--) {
noise = 0;
err = wldev_ioctl_get(ndev, WLC_GET_PHY_NOISE, &noise,
sizeof(noise));
if (err >= 0) {
break;
}
WL_DBG(("attempt = %d, err = %d, \n",
(IOCTL_RETRY_COUNT - retry), err));
}
if (retry <= 0) {
WL_ERR(("Get Phy Noise failed, error = %d\n", err));
noise = CHAN_NOISE_DUMMY;
}
survey = (struct wl_dump_survey *)MALLOCZ(cfg->osh,
sizeof(struct wl_dump_survey));
if (unlikely(!survey)) {
WL_ERR(("%s: alloc failed\n", __func__));
return -ENOMEM;
}
/* Start Measurement for obss stats on current channel */
req.msrmnt_query = 0;
req.time_req = ACS_MSRMNT_DELAY;
if ((err = wl_dump_obss(ndev, req, survey)) < 0) {
goto exit;
}
/*
* Wait for the meaurement to complete, adding a buffer value of 10 to take
* into consideration any delay in IOVAR completion
*/
msleep(ACS_MSRMNT_DELAY + 10);
/* Issue IOVAR to collect measurement results */
req.msrmnt_query = 1;
if ((err = wl_dump_obss(ndev, req, survey)) < 0) {
goto exit;
}
info->channel = chan;
info->noise = noise;
info->channel_time = ACS_MSRMNT_DELAY;
info->channel_time_busy = ACS_MSRMNT_DELAY - survey->idle;
info->channel_time_rx = survey->obss + survey->ibss + survey->no_ctg +
survey->no_pckt;
info->channel_time_tx = survey->tx;
info->filled = SURVEY_INFO_NOISE_DBM |SURVEY_INFO_CHANNEL_TIME |
SURVEY_INFO_CHANNEL_TIME_BUSY | SURVEY_INFO_CHANNEL_TIME_RX |
SURVEY_INFO_CHANNEL_TIME_TX;
MFREE(cfg->osh, survey, sizeof(struct wl_dump_survey));
return 0;
exit:
MFREE(cfg->osh, survey, sizeof(struct wl_dump_survey));
return err;
}
#endif /* WL_SUPPORT_ACS */
static struct cfg80211_ops wl_cfg80211_ops = {
.add_virtual_intf = wl_cfg80211_add_virtual_iface,
.del_virtual_intf = wl_cfg80211_del_virtual_iface,
.change_virtual_intf = wl_cfg80211_change_virtual_iface,
#if defined(WL_CFG80211_P2P_DEV_IF)
.start_p2p_device = wl_cfgp2p_start_p2p_device,
.stop_p2p_device = wl_cfgp2p_stop_p2p_device,
#endif /* WL_CFG80211_P2P_DEV_IF */
.scan = wl_cfg80211_scan,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0))
.abort_scan = wl_cfg80211_abort_scan,
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0)) */
.set_wiphy_params = wl_cfg80211_set_wiphy_params,
.join_ibss = wl_cfg80211_join_ibss,
.leave_ibss = wl_cfg80211_leave_ibss,
.get_station = wl_cfg80211_get_station,
.set_tx_power = wl_cfg80211_set_tx_power,
.get_tx_power = wl_cfg80211_get_tx_power,
.add_key = wl_cfg80211_add_key,
.del_key = wl_cfg80211_del_key,
.get_key = wl_cfg80211_get_key,
.set_default_key = wl_cfg80211_config_default_key,
.set_default_mgmt_key = wl_cfg80211_config_default_mgmt_key,
.set_power_mgmt = wl_cfg80211_set_power_mgmt,
.connect = wl_cfg80211_connect,
.disconnect = wl_cfg80211_disconnect,
.suspend = wl_cfg80211_suspend,
.resume = wl_cfg80211_resume,
.set_pmksa = wl_cfg80211_set_pmksa,
.del_pmksa = wl_cfg80211_del_pmksa,
.flush_pmksa = wl_cfg80211_flush_pmksa,
.remain_on_channel = wl_cfg80211_remain_on_channel,
.cancel_remain_on_channel = wl_cfg80211_cancel_remain_on_channel,
.mgmt_tx = wl_cfg80211_mgmt_tx,
.mgmt_frame_register = wl_cfg80211_mgmt_frame_register,
.change_bss = wl_cfg80211_change_bss,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0)) || defined(WL_COMPAT_WIRELESS)
.set_channel = wl_cfg80211_set_channel,
#endif /* ((LINUX_VERSION < VERSION(3, 6, 0)) || WL_COMPAT_WIRELESS */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)) && !defined(WL_COMPAT_WIRELESS)
.set_beacon = wl_cfg80211_add_set_beacon,
.add_beacon = wl_cfg80211_add_set_beacon,
.del_beacon = wl_cfg80211_del_beacon,
#else
.change_beacon = wl_cfg80211_change_beacon,
.start_ap = wl_cfg80211_start_ap,
.stop_ap = wl_cfg80211_stop_ap,
#endif /* LINUX_VERSION < KERNEL_VERSION(3,4,0) && !WL_COMPAT_WIRELESS */
#ifdef WL_SCHED_SCAN
.sched_scan_start = wl_cfg80211_sched_scan_start,
.sched_scan_stop = wl_cfg80211_sched_scan_stop,
#endif /* WL_SCHED_SCAN */
#if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \
2, 0))
.del_station = wl_cfg80211_del_station,
.change_station = wl_cfg80211_change_station,
.mgmt_tx_cancel_wait = wl_cfg80211_mgmt_tx_cancel_wait,
#endif /* WL_SUPPORT_BACKPORTED_KPATCHES || KERNEL_VERSION >= (3,2,0) */
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS)
.tdls_mgmt = wl_cfg80211_tdls_mgmt,
.tdls_oper = wl_cfg80211_tdls_oper,
#endif /* LINUX_VERSION > VERSION(3, 2, 0) || WL_COMPAT_WIRELESS */
#ifdef WL_SUPPORT_ACS
.dump_survey = wl_cfg80211_dump_survey,
#endif /* WL_SUPPORT_ACS */
#ifdef WL_CFG80211_ACL
.set_mac_acl = wl_cfg80211_set_mac_acl,
#endif /* WL_CFG80211_ACL */
#ifdef GTK_OFFLOAD_SUPPORT
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0))
.set_rekey_data = wl_cfg80211_set_rekey_data,
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0) */
#endif /* GTK_OFFLOAD_SUPPORT */
#if defined(WL_FILS)
/* This should be enabled from kernel version which supports this */
.update_connect_params = wl_cfg80211_update_connect_params,
#endif /* WL_FILS */
};
s32 wl_mode_to_nl80211_iftype(s32 mode)
{
s32 err = 0;
switch (mode) {
case WL_MODE_BSS:
return NL80211_IFTYPE_STATION;
case WL_MODE_IBSS:
return NL80211_IFTYPE_ADHOC;
case WL_MODE_AP:
return NL80211_IFTYPE_AP;
default:
return NL80211_IFTYPE_UNSPECIFIED;
}
return err;
}
s32
wl_cfg80211_set_country_code(struct net_device *net, char *country_code,
bool notify, bool user_enforced, int revinfo)
{
s32 ret = BCME_OK;
#ifdef WL_NAN
struct wireless_dev *wdev = ndev_to_wdev(net);
struct wiphy *wiphy = wdev->wiphy;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
if (cfg->nan_enable) {
ret = wl_cfgnan_disable(cfg, NAN_COUNTRY_CODE_CHANGE);
if (ret != BCME_OK) {
WL_ERR(("failed to disable nan, error[%d]\n", ret));
return ret;
}
}
#endif /* WL_NAN */
ret = wldev_set_country(net, country_code,
notify, user_enforced, revinfo);
if (ret < 0) {
WL_ERR(("set country Failed :%d\n", ret));
}
return ret;
}
#ifdef CONFIG_PM
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
static const struct wiphy_wowlan_support brcm_wowlan_support = {
.flags = WIPHY_WOWLAN_ANY,
.n_patterns = WL_WOWLAN_MAX_PATTERNS,
.pattern_min_len = WL_WOWLAN_MIN_PATTERN_LEN,
.pattern_max_len = WL_WOWLAN_MAX_PATTERN_LEN,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0))
.max_pkt_offset = WL_WOWLAN_MAX_PATTERN_LEN,
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */
};
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0) */
#endif /* CONFIG_PM */
static s32 wl_setup_wiphy(struct wireless_dev *wdev, struct device *sdiofunc_dev, dhd_pub_t *context)
{
s32 err = 0;
#ifdef CONFIG_PM
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
struct cfg80211_wowlan *brcm_wowlan_config = NULL;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) */
#endif /* CONFIG_PM */
//#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) || defined(WL_COMPAT_WIRELESS))
dhd_pub_t *dhd = (dhd_pub_t *)context;
BCM_REFERENCE(dhd);
if (!dhd) {
WL_ERR(("DHD is NULL!!"));
err = -ENODEV;
return err;
}
//#endif // endif
wdev->wiphy =
wiphy_new(&wl_cfg80211_ops, sizeof(struct bcm_cfg80211));
if (unlikely(!wdev->wiphy)) {
WL_ERR(("Couldn not allocate wiphy device\n"));
err = -ENOMEM;
return err;
}
set_wiphy_dev(wdev->wiphy, sdiofunc_dev);
wdev->wiphy->max_scan_ie_len = WL_SCAN_IE_LEN_MAX;
/* Report how many SSIDs Driver can support per Scan request */
wdev->wiphy->max_scan_ssids = WL_SCAN_PARAMS_SSID_MAX;
wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
#ifdef WL_SCHED_SCAN
wdev->wiphy->max_sched_scan_ssids = MAX_PFN_LIST_COUNT;
wdev->wiphy->max_match_sets = MAX_PFN_LIST_COUNT;
wdev->wiphy->max_sched_scan_ie_len = WL_SCAN_IE_LEN_MAX;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0))
wdev->wiphy->max_sched_scan_plan_interval = PNO_SCAN_MAX_FW_SEC;
#else
wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) */
#endif /* WL_SCHED_SCAN */
wdev->wiphy->interface_modes =
BIT(NL80211_IFTYPE_STATION)
| BIT(NL80211_IFTYPE_ADHOC)
#if !defined(WL_ENABLE_P2P_IF) && !defined(WL_CFG80211_P2P_DEV_IF)
| BIT(NL80211_IFTYPE_MONITOR)
#endif // endif
#if defined(WL_IFACE_COMB_NUM_CHANNELS) || defined(WL_CFG80211_P2P_DEV_IF)
| BIT(NL80211_IFTYPE_P2P_CLIENT)
| BIT(NL80211_IFTYPE_P2P_GO)
#endif /* WL_IFACE_COMB_NUM_CHANNELS || WL_CFG80211_P2P_DEV_IF */
#if defined(WL_CFG80211_P2P_DEV_IF)
| BIT(NL80211_IFTYPE_P2P_DEVICE)
#endif /* WL_CFG80211_P2P_DEV_IF */
| BIT(NL80211_IFTYPE_AP);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) && \
(defined(WL_IFACE_COMB_NUM_CHANNELS) || defined(WL_CFG80211_P2P_DEV_IF))
WL_DBG(("Setting interface combinations for common mode\n"));
wdev->wiphy->iface_combinations = common_iface_combinations;
wdev->wiphy->n_iface_combinations =
ARRAY_SIZE(common_iface_combinations);
#endif /* LINUX_VER >= 3.0 && (WL_IFACE_COMB_NUM_CHANNELS || WL_CFG80211_P2P_DEV_IF) */
wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz;
wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
wdev->wiphy->cipher_suites = __wl_cipher_suites;
wdev->wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
wdev->wiphy->max_remain_on_channel_duration = 5000;
wdev->wiphy->mgmt_stypes = wl_cfg80211_default_mgmt_stypes;
#ifndef WL_POWERSAVE_DISABLED
wdev->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
#else
wdev->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
#endif /* !WL_POWERSAVE_DISABLED */
wdev->wiphy->flags |= WIPHY_FLAG_NETNS_OK |
WIPHY_FLAG_4ADDR_AP |
#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 39)) && !defined(WL_COMPAT_WIRELESS)
WIPHY_FLAG_SUPPORTS_SEPARATE_DEFAULT_KEYS |
#endif // endif
WIPHY_FLAG_4ADDR_STATION;
#if ((defined(ROAM_ENABLE) || defined(BCMFW_ROAM_ENABLE)) && (LINUX_VERSION_CODE >= \
KERNEL_VERSION(3, 2, 0)))
/*
* If FW ROAM flag is advertised, upper layer wouldn't provide
* the bssid & freq in the connect command. This will result a
* delay in initial connection time due to firmware doing a full
* channel scan to figure out the channel & bssid. However kernel
* ver >= 3.15, provides bssid_hint & freq_hint and hence kernel
* ver >= 3.15 won't have any issue. So if this flags need to be
* advertised for kernel < 3.15, suggest to use RCC along with it
* to avoid the initial connection delay.
*/
wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) || defined(WL_COMPAT_WIRELESS)
wdev->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
WIPHY_FLAG_OFFCHAN_TX;
#endif // endif
#if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \
4, 0))
/* From 3.4 kernel ownards AP_SME flag can be advertised
* to remove the patch from supplicant
*/
wdev->wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME;
#ifdef WL_CFG80211_ACL
/* Configure ACL capabilities. */
wdev->wiphy->max_acl_mac_addrs = MAX_NUM_MAC_FILT;
#endif // endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) || defined(WL_COMPAT_WIRELESS))
/* Supplicant distinguish between the SoftAP mode and other
* modes (e.g. P2P, WPS, HS2.0) when it builds the probe
* response frame from Supplicant MR1 and Kernel 3.4.0 or
* later version. To add Vendor specific IE into the
* probe response frame in case of SoftAP mode,
* AP_PROBE_RESP_OFFLOAD flag is set to wiphy->flags variable.
*/
if (dhd_get_fw_mode(dhd->info) == DHD_FLAG_HOSTAP_MODE) {
wdev->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
wdev->wiphy->probe_resp_offload = 0;
}
#endif // endif
#endif /* WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) */
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS)
wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
#endif // endif
#if defined(CONFIG_PM) && defined(WL_CFG80211_P2P_DEV_IF)
/*
* From linux-3.10 kernel, wowlan packet filter is mandated to avoid the
* disconnection of connected network before suspend. So a dummy wowlan
* filter is configured for kernels linux-3.8 and above.
*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
wdev->wiphy->wowlan = &brcm_wowlan_support;
/* If this is not provided cfg stack will get disconnect
* during suspend.
*/
brcm_wowlan_config = MALLOC(dhd->osh, sizeof(struct cfg80211_wowlan));
if (brcm_wowlan_config) {
brcm_wowlan_config->disconnect = true;
brcm_wowlan_config->gtk_rekey_failure = true;
brcm_wowlan_config->eap_identity_req = true;
brcm_wowlan_config->four_way_handshake = true;
brcm_wowlan_config->patterns = NULL;
brcm_wowlan_config->n_patterns = 0;
brcm_wowlan_config->tcp = NULL;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
brcm_wowlan_config->nd_config = NULL;
#endif // endif
} else {
WL_ERR(("Can not allocate memory for brcm_wowlan_config,"
" So wiphy->wowlan_config is set to NULL\n"));
}
wdev->wiphy->wowlan_config = brcm_wowlan_config;
#else
wdev->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY;
wdev->wiphy->wowlan.n_patterns = WL_WOWLAN_MAX_PATTERNS;
wdev->wiphy->wowlan.pattern_min_len = WL_WOWLAN_MIN_PATTERN_LEN;
wdev->wiphy->wowlan.pattern_max_len = WL_WOWLAN_MAX_PATTERN_LEN;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0))
wdev->wiphy->wowlan.max_pkt_offset = WL_WOWLAN_MAX_PATTERN_LEN;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) */
#endif /* CONFIG_PM && WL_CFG80211_P2P_DEV_IF */
WL_DBG(("Registering custom regulatory)\n"));
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
wdev->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
#else
wdev->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
#endif // endif
wiphy_apply_custom_regulatory(wdev->wiphy, &brcm_regdom);
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 14, 0)) || defined(WL_VENDOR_EXT_SUPPORT)
WL_INFORM_MEM(("Registering Vendor80211\n"));
err = wl_cfgvendor_attach(wdev->wiphy, dhd);
if (unlikely(err < 0)) {
WL_ERR(("Couldn not attach vendor commands (%d)\n", err));
}
#endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(3, 14, 0)) || defined(WL_VENDOR_EXT_SUPPORT) */
/* Now we can register wiphy with cfg80211 module */
err = wiphy_register(wdev->wiphy);
if (unlikely(err < 0)) {
WL_ERR(("Couldn not register wiphy device (%d)\n", err));
wiphy_free(wdev->wiphy);
}
#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) && (LINUX_VERSION_CODE <= \
KERNEL_VERSION(3, 3, 0))) && defined(WL_IFACE_COMB_NUM_CHANNELS)
wdev->wiphy->flags &= ~WIPHY_FLAG_ENFORCE_COMBINATIONS;
#endif // endif
#ifdef WL_SAE
wdev->wiphy->features |= NL80211_FEATURE_SAE;
#endif /* WL_SAE */
return err;
}
static void wl_free_wdev(struct bcm_cfg80211 *cfg)
{
struct wireless_dev *wdev = cfg->wdev;
struct wiphy *wiphy = NULL;
if (!wdev) {
WL_ERR(("wdev is invalid\n"));
return;
}
if (wdev->wiphy) {
wiphy = wdev->wiphy;
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 14, 0)) || defined(WL_VENDOR_EXT_SUPPORT)
wl_cfgvendor_detach(wdev->wiphy);
#endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(3, 14, 0)) || defined(WL_VENDOR_EXT_SUPPORT) */
#if defined(CONFIG_PM) && defined(WL_CFG80211_P2P_DEV_IF)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
/* Reset wowlan & wowlan_config before Unregister to avoid Kernel Panic */
WL_DBG(("wl_free_wdev Clearing wowlan Config \n"));
if (wdev->wiphy->wowlan_config) {
MFREE(cfg->osh, wdev->wiphy->wowlan_config,
sizeof(struct cfg80211_wowlan));
wdev->wiphy->wowlan_config = NULL;
}
wdev->wiphy->wowlan = NULL;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0) */
#endif /* CONFIG_PM && WL_CFG80211_P2P_DEV_IF */
wiphy_unregister(wdev->wiphy);
wdev->wiphy->dev.parent = NULL;
wdev->wiphy = NULL;
}
wl_delete_all_netinfo(cfg);
if (wiphy) {
MFREE(cfg->osh, wdev, sizeof(*wdev));
wiphy_free(wiphy);
}
/* PLEASE do NOT call any function after wiphy_free, the driver's private structure "cfg",
* which is the private part of wiphy, has been freed in wiphy_free !!!!!!!!!!!
*/
}
static s32 wl_inform_bss(struct bcm_cfg80211 *cfg)
{
struct wl_scan_results *bss_list;
wl_bss_info_t *bi = NULL; /* must be initialized */
s32 err = 0;
s32 i;
struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
#if defined(RSSIAVG)
int rssi;
#endif
#if defined(BSSCACHE)
wl_bss_cache_t *node;
#endif
bss_list = cfg->bss_list;
/* Free cache in p2p scanning*/
if (p2p_is_on(cfg) && p2p_scan(cfg)) {
#if defined(RSSIAVG)
wl_free_rssi_cache(&cfg->g_rssi_cache_ctrl);
#endif
#if defined(BSSCACHE)
wl_free_bss_cache(&cfg->g_bss_cache_ctrl);
#endif
}
/* Delete disconnected cache */
#if defined(BSSCACHE)
wl_delete_disconnected_bss_cache(&cfg->g_bss_cache_ctrl, (u8*)&cfg->disconnected_bssid);
#if defined(RSSIAVG)
wl_delete_disconnected_rssi_cache(&cfg->g_rssi_cache_ctrl, (u8*)&cfg->disconnected_bssid);
#endif
if (cfg->p2p_disconnected == 0)
memset(&cfg->disconnected_bssid, 0, ETHER_ADDR_LEN);
#endif
/* Update cache */
#if defined(RSSIAVG)
wl_update_rssi_cache(&cfg->g_rssi_cache_ctrl, bss_list);
if (!in_atomic())
wl_update_connected_rssi_cache(ndev, &cfg->g_rssi_cache_ctrl, &rssi);
#endif
#if defined(BSSCACHE)
wl_update_bss_cache(&cfg->g_bss_cache_ctrl,
#if defined(RSSIAVG)
&cfg->g_rssi_cache_ctrl,
#endif
bss_list);
#endif
/* delete dirty cache */
#if defined(RSSIAVG)
wl_delete_dirty_rssi_cache(&cfg->g_rssi_cache_ctrl);
wl_reset_rssi_cache(&cfg->g_rssi_cache_ctrl);
#endif
#if defined(BSSCACHE)
wl_delete_dirty_bss_cache(&cfg->g_bss_cache_ctrl);
wl_reset_bss_cache(&cfg->g_bss_cache_ctrl);
#endif
#if defined(BSSCACHE)
if (cfg->p2p_disconnected > 0) {
// terence 20130703: Fix for wrong group_capab (timing issue)
wl_delete_disconnected_bss_cache(&cfg->g_bss_cache_ctrl, (u8*)&cfg->disconnected_bssid);
#if defined(RSSIAVG)
wl_delete_disconnected_rssi_cache(&cfg->g_rssi_cache_ctrl, (u8*)&cfg->disconnected_bssid);
#endif
}
WL_SCAN(("scanned AP count (%d)\n", bss_list->count));
node = cfg->g_bss_cache_ctrl.m_cache_head;
for (i=0; node && i<WL_AP_MAX; i++) {
bi = node->results.bss_info;
err = wl_inform_single_bss(cfg, bi, false);
node = node->next;
}
if (cfg->autochannel)
wl_ext_get_best_channel(ndev, &cfg->g_bss_cache_ctrl, ioctl_version,
&cfg->best_2g_ch, &cfg->best_5g_ch);
#else
WL_SCAN(("scanned AP count (%d)\n", bss_list->count));
#ifdef ESCAN_CHANNEL_CACHE
reset_roam_cache(cfg);
#endif /* ESCAN_CHANNEL_CACHE */
preempt_disable();
bi = next_bss(bss_list, bi);
for_each_bss(bss_list, bi, i) {
if (cfg->p2p_disconnected > 0 && !memcmp(&bi->BSSID, &cfg->disconnected_bssid, ETHER_ADDR_LEN))
continue;
#ifdef ESCAN_CHANNEL_CACHE
add_roam_cache(cfg, bi);
#endif /* ESCAN_CHANNEL_CACHE */
err = wl_inform_single_bss(cfg, bi, false);
if (unlikely(err)) {
WL_ERR(("bss inform failed\n"));
}
}
preempt_enable();
if (cfg->autochannel)
wl_ext_get_best_channel(ndev, bss_list, ioctl_version,
&cfg->best_2g_ch, &cfg->best_5g_ch);
#endif
if (cfg->p2p_disconnected > 0) {
// terence 20130703: Fix for wrong group_capab (timing issue)
cfg->p2p_disconnected++;
if (cfg->p2p_disconnected >= REPEATED_SCAN_RESULT_CNT+1) {
cfg->p2p_disconnected = 0;
memset(&cfg->disconnected_bssid, 0, ETHER_ADDR_LEN);
}
}
WL_MEM(("cfg80211 scan cache updated\n"));
#ifdef ROAM_CHANNEL_CACHE
/* print_roam_cache(); */
update_roam_cache(cfg, ioctl_version);
#endif /* ROAM_CHANNEL_CACHE */
return err;
}
static s32 wl_inform_single_bss(struct bcm_cfg80211 *cfg, wl_bss_info_t *bi, bool roam)
{
struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
struct ieee80211_mgmt *mgmt;
struct ieee80211_channel *channel;
struct ieee80211_supported_band *band;
struct wl_cfg80211_bss_info *notif_bss_info;
struct wl_scan_req *sr = wl_to_sr(cfg);
struct beacon_proberesp *beacon_proberesp;
struct cfg80211_bss *cbss = NULL;
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
log_conn_event_t *event_data = NULL;
tlv_log *tlv_data = NULL;
u32 alloc_len, tlv_len;
u32 payload_len;
s32 mgmt_type;
s32 signal;
u32 freq;
s32 err = 0;
gfp_t aflags;
chanspec_t chanspec;
if (unlikely(dtoh32(bi->length) > WL_BSS_INFO_MAX)) {
WL_DBG(("Beacon is larger than buffer. Discarding\n"));
return err;
}
aflags = (in_atomic()) ? GFP_ATOMIC : GFP_KERNEL;
notif_bss_info = (struct wl_cfg80211_bss_info *)MALLOCZ(cfg->osh,
sizeof(*notif_bss_info) + sizeof(*mgmt) - sizeof(u8) + WL_BSS_INFO_MAX);
if (unlikely(!notif_bss_info)) {
WL_ERR(("notif_bss_info alloc failed\n"));
return -ENOMEM;
}
mgmt = (struct ieee80211_mgmt *)notif_bss_info->frame_buf;
chanspec = wl_chspec_driver_to_host(bi->chanspec);
notif_bss_info->channel = wf_chspec_ctlchan(chanspec);
if (notif_bss_info->channel <= CH_MAX_2G_CHANNEL)
band = wiphy->bands[IEEE80211_BAND_2GHZ];
else
band = wiphy->bands[IEEE80211_BAND_5GHZ];
if (!band) {
WL_ERR(("No valid band\n"));
MFREE(cfg->osh, notif_bss_info, sizeof(*notif_bss_info)
+ sizeof(*mgmt) - sizeof(u8) + WL_BSS_INFO_MAX);
return -EINVAL;
}
notif_bss_info->rssi = dtoh16(bi->RSSI);
#if defined(RSSIAVG)
notif_bss_info->rssi = wl_get_avg_rssi(&cfg->g_rssi_cache_ctrl, &bi->BSSID);
if (notif_bss_info->rssi == RSSI_MINVAL)
notif_bss_info->rssi = MIN(dtoh16(bi->RSSI), RSSI_MAXVAL);
#endif
#if defined(RSSIOFFSET)
notif_bss_info->rssi = wl_update_rssi_offset(bcmcfg_to_prmry_ndev(cfg), notif_bss_info->rssi);
#endif
#if !defined(RSSIAVG) && !defined(RSSIOFFSET)
// terence 20150419: limit the max. rssi to -2 or the bss will be filtered out in android OS
notif_bss_info->rssi = MIN(notif_bss_info->rssi, RSSI_MAXVAL);
#endif
memcpy(mgmt->bssid, &bi->BSSID, ETHER_ADDR_LEN);
mgmt_type = cfg->active_scan ?
IEEE80211_STYPE_PROBE_RESP : IEEE80211_STYPE_BEACON;
if (!memcmp(bi->SSID, sr->ssid.SSID, bi->SSID_len)) {
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | mgmt_type);
}
beacon_proberesp = cfg->active_scan ?
(struct beacon_proberesp *)&mgmt->u.probe_resp :
(struct beacon_proberesp *)&mgmt->u.beacon;
beacon_proberesp->timestamp = 0;
beacon_proberesp->beacon_int = cpu_to_le16(bi->beacon_period);
beacon_proberesp->capab_info = cpu_to_le16(bi->capability);
wl_rst_ie(cfg);
wl_update_hidden_ap_ie(bi, ((u8 *) bi) + bi->ie_offset, &bi->ie_length, roam);
wl_mrg_ie(cfg, ((u8 *) bi) + bi->ie_offset, bi->ie_length);
wl_cp_ie(cfg, beacon_proberesp->variable, WL_BSS_INFO_MAX -
offsetof(struct wl_cfg80211_bss_info, frame_buf));
notif_bss_info->frame_len = offsetof(struct ieee80211_mgmt,
u.beacon.variable) + wl_get_ielen(cfg);
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS)
freq = ieee80211_channel_to_frequency(notif_bss_info->channel);
(void)band->band;
#else
freq = ieee80211_channel_to_frequency(notif_bss_info->channel, band->band);
#endif // endif
if (freq == 0) {
WL_ERR(("Invalid channel, fail to change channel to freq\n"));
MFREE(cfg->osh, notif_bss_info, sizeof(*notif_bss_info)
+ sizeof(*mgmt) - sizeof(u8) + WL_BSS_INFO_MAX);
return -EINVAL;
}
channel = ieee80211_get_channel(wiphy, freq);
WL_SCAN(("BSSID %pM, channel %2d(%2d %sMHz), rssi %3d, capa 0x04%x, mgmt_type %d, "
"frame_len %d, SSID \"%s\"\n",
&bi->BSSID, notif_bss_info->channel, CHSPEC_CHANNEL(chanspec),
CHSPEC_IS20(chanspec)?"20":
CHSPEC_IS40(chanspec)?"40":
CHSPEC_IS80(chanspec)?"80":"160",
notif_bss_info->rssi, mgmt->u.beacon.capab_info, mgmt_type,
notif_bss_info->frame_len, bi->SSID));
if (unlikely(!channel)) {
WL_ERR(("ieee80211_get_channel error, freq=%d, channel=%d\n",
freq, notif_bss_info->channel));
MFREE(cfg->osh, notif_bss_info, sizeof(*notif_bss_info)
+ sizeof(*mgmt) - sizeof(u8) + WL_BSS_INFO_MAX);
return -EINVAL;
}
signal = notif_bss_info->rssi * 100;
if (!mgmt->u.probe_resp.timestamp) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
struct timespec ts;
get_monotonic_boottime(&ts);
mgmt->u.probe_resp.timestamp = ((u64)ts.tv_sec*1000000)
+ ts.tv_nsec / 1000;
#else
struct timeval tv;
do_gettimeofday(&tv);
mgmt->u.probe_resp.timestamp = ((u64)tv.tv_sec*1000000)
+ tv.tv_usec;
#endif // endif
}
cbss = cfg80211_inform_bss_frame(wiphy, channel, mgmt,
le16_to_cpu(notif_bss_info->frame_len), signal, aflags);
if (unlikely(!cbss)) {
WL_ERR(("cfg80211_inform_bss_frame error bssid " MACDBG " channel %d \n",
MAC2STRDBG((u8*)(&bi->BSSID)), notif_bss_info->channel));
err = -EINVAL;
goto out_err;
}
CFG80211_PUT_BSS(wiphy, cbss);
if (DBG_RING_ACTIVE(dhdp, DHD_EVENT_RING_ID) &&
(cfg->sched_scan_req && !cfg->scan_request)) {
alloc_len = sizeof(log_conn_event_t) + IEEE80211_MAX_SSID_LEN + sizeof(uint16) +
sizeof(int16);
event_data = (log_conn_event_t *)MALLOCZ(cfg->osh, alloc_len);
if (!event_data) {
WL_ERR(("%s: failed to allocate the log_conn_event_t with "
"length(%d)\n", __func__, alloc_len));
goto out_err;
}
tlv_len = 3 * sizeof(tlv_log);
event_data->tlvs = (tlv_log *)MALLOCZ(cfg->osh, tlv_len);
if (!event_data->tlvs) {
WL_ERR(("%s: failed to allocate the log_conn_event_t with "
"length(%d)\n", __func__, tlv_len));
goto free_evt_data;
}
payload_len = sizeof(log_conn_event_t);
event_data->event = WIFI_EVENT_DRIVER_PNO_SCAN_RESULT_FOUND;
tlv_data = event_data->tlvs;
/* ssid */
tlv_data->tag = WIFI_TAG_SSID;
tlv_data->len = bi->SSID_len;
memcpy(tlv_data->value, bi->SSID, bi->SSID_len);
payload_len += TLV_LOG_SIZE(tlv_data);
tlv_data = TLV_LOG_NEXT(tlv_data);
/* channel */
tlv_data->tag = WIFI_TAG_CHANNEL;
tlv_data->len = sizeof(uint16);
memcpy(tlv_data->value, &notif_bss_info->channel, sizeof(uint16));
payload_len += TLV_LOG_SIZE(tlv_data);
tlv_data = TLV_LOG_NEXT(tlv_data);
/* rssi */
tlv_data->tag = WIFI_TAG_RSSI;
tlv_data->len = sizeof(int16);
memcpy(tlv_data->value, &notif_bss_info->rssi, sizeof(int16));
payload_len += TLV_LOG_SIZE(tlv_data);
tlv_data = TLV_LOG_NEXT(tlv_data);
dhd_os_push_push_ring_data(dhdp, DHD_EVENT_RING_ID,
event_data, payload_len);
MFREE(dhdp->osh, event_data->tlvs, tlv_len);
free_evt_data:
MFREE(dhdp->osh, event_data, alloc_len);
}
out_err:
MFREE(cfg->osh, notif_bss_info, sizeof(*notif_bss_info)
+ sizeof(*mgmt) - sizeof(u8) + WL_BSS_INFO_MAX);
return err;
}
static bool wl_is_linkup(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e, struct net_device *ndev)
{
u32 event = ntoh32(e->event_type);
u32 status = ntoh32(e->status);
u16 flags = ntoh16(e->flags);
#if defined(CUSTOM_SET_ANTNPM)
dhd_pub_t *dhd;
dhd = (dhd_pub_t *)(cfg->pub);
#endif // endif
WL_DBG(("event %d, status %d flags %x\n", event, status, flags));
if (event == WLC_E_SET_SSID) {
if (status == WLC_E_STATUS_SUCCESS) {
#ifdef CUSTOM_SET_ANTNPM
if (dhd->mimo_ant_set) {
int err = 0;
WL_ERR(("[WIFI_SEC] mimo_ant_set = %d\n", dhd->mimo_ant_set));
err = wldev_iovar_setint(ndev, "txchain", dhd->mimo_ant_set);
if (err != 0) {
WL_ERR(("[WIFI_SEC] Fail set txchain\n"));
}
err = wldev_iovar_setint(ndev, "rxchain", dhd->mimo_ant_set);
if (err != 0) {
WL_ERR(("[WIFI_SEC] Fail set rxchain\n"));
}
}
#endif /* CUSTOM_SET_ANTNPM */
if (!wl_is_ibssmode(cfg, ndev))
return true;
}
} else if (event == WLC_E_LINK) {
if (flags & WLC_EVENT_MSG_LINK)
return true;
}
WL_DBG(("wl_is_linkup false\n"));
return false;
}
#ifdef WL_LASTEVT
static bool wl_is_linkdown(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e, void *data)
{
u32 event = ntoh32(e->event_type);
u16 flags = ntoh16(e->flags);
wl_last_event_t *last_event = (wl_last_event_t *)data;
u32 len = ntoh32(e->datalen);
if (event == WLC_E_DEAUTH_IND ||
event == WLC_E_DISASSOC_IND ||
event == WLC_E_DISASSOC ||
event == WLC_E_DEAUTH) {
WL_ERR(("Link down Reason : %s\n", bcmevent_get_name(event)));
return true;
} else if (event == WLC_E_LINK) {
if (!(flags & WLC_EVENT_MSG_LINK)) {
if (last_event && len > 0) {
u32 current_time = last_event->current_time;
u32 timestamp = last_event->timestamp;
u32 event_type = last_event->event.event_type;
u32 status = last_event->event.status;
u32 reason = last_event->event.reason;
WL_ERR(("Last roam event before disconnection : current_time %d,"
" time %d, type %d, status %d, reason %d\n",
current_time, timestamp, event_type, status, reason));
}
WL_ERR(("Link down Reason : %s\n", bcmevent_get_name(event)));
return true;
}
}
return false;
}
#else
static bool wl_is_linkdown(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e)
{
u32 event = ntoh32(e->event_type);
u16 flags = ntoh16(e->flags);
if (event == WLC_E_DEAUTH_IND ||
event == WLC_E_DISASSOC_IND ||
event == WLC_E_DISASSOC ||
event == WLC_E_DEAUTH) {
WL_ERR(("Link down Reason : %s\n", bcmevent_get_name(event)));
return true;
} else if (event == WLC_E_LINK) {
if (!(flags & WLC_EVENT_MSG_LINK)) {
WL_ERR(("Link down Reason : %s\n", bcmevent_get_name(event)));
return true;
}
}
return false;
}
#endif /* WL_LASTEVT */
static bool wl_is_nonetwork(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e)
{
u32 event = ntoh32(e->event_type);
u32 status = ntoh32(e->status);
if (event == WLC_E_LINK && status == WLC_E_STATUS_NO_NETWORKS)
return true;
if (event == WLC_E_SET_SSID && status != WLC_E_STATUS_SUCCESS)
return true;
return false;
}
/* The mainline kernel >= 3.2.0 has support for indicating new/del station
* to AP/P2P GO via events. If this change is backported to kernel for which
* this driver is being built, then define WL_CFG80211_STA_EVENT. You
* should use this new/del sta event mechanism for BRCM supplicant >= 22.
*/
static s32
wl_notify_connect_status_ap(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const wl_event_msg_t *e, void *data)
{
s32 err = 0;
u32 event = ntoh32(e->event_type);
u32 reason = ntoh32(e->reason);
u32 len = ntoh32(e->datalen);
u32 status = ntoh32(e->status);
#if !defined(WL_CFG80211_STA_EVENT) && !defined(WL_COMPAT_WIRELESS) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0))
bool isfree = false;
u8 *mgmt_frame;
u8 bsscfgidx = e->bsscfgidx;
s32 freq;
s32 channel;
u8 *body = NULL;
u16 fc = 0;
u32 body_len = 0;
struct ieee80211_supported_band *band;
struct ether_addr da;
struct ether_addr bssid;
struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
channel_info_t ci;
u8 ioctl_buf[WLC_IOCTL_SMLEN];
#else
struct station_info sinfo;
#endif /* (LINUX_VERSION < VERSION(3,2,0)) && !WL_CFG80211_STA_EVENT && !WL_COMPAT_WIRELESS */
WL_INFORM_MEM(("[%s] Mode AP/GO. Event:%d status:%d reason:%d\n",
ndev->name, event, ntoh32(e->status), reason));
/* if link down, bsscfg is disabled. */
if (event == WLC_E_LINK && reason == WLC_E_LINK_BSSCFG_DIS &&
wl_get_p2p_status(cfg, IF_DELETING) && (ndev != bcmcfg_to_prmry_ndev(cfg))) {
wl_add_remove_eventmsg(ndev, WLC_E_PROBREQ_MSG, false);
WL_MSG(ndev->name, "AP mode link down !! \n");
complete(&cfg->iface_disable);
return 0;
}
if ((event == WLC_E_LINK) && (status == WLC_E_STATUS_SUCCESS) &&
(reason == WLC_E_REASON_INITIAL_ASSOC) &&
(wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP)) {
if (!wl_get_drv_status(cfg, AP_CREATED, ndev)) {
/* AP/GO brought up successfull in firmware */
WL_MSG(ndev->name, "AP/GO Link up\n");
wl_set_drv_status(cfg, AP_CREATED, ndev);
wake_up_interruptible(&cfg->netif_change_event);
wl_cfg80211_check_in4way(cfg, ndev, 0, WL_EXT_STATUS_AP_ENABLED, NULL);
return 0;
}
}
if (event == WLC_E_DISASSOC_IND || event == WLC_E_DEAUTH_IND || event == WLC_E_DEAUTH) {
WL_DBG(("event %s(%d) status %d reason %d\n",
bcmevent_get_name(event), event, ntoh32(e->status), reason));
}
#if !defined(WL_CFG80211_STA_EVENT) && !defined(WL_COMPAT_WIRELESS) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0))
WL_DBG(("Enter \n"));
if (!len && (event == WLC_E_DEAUTH)) {
len = 2; /* reason code field */
data = &reason;
}
if (len) {
body = (u8 *)MALLOCZ(cfg->osh, len);
if (body == NULL) {
WL_ERR(("wl_notify_connect_status: Failed to allocate body\n"));
return WL_INVALID;
}
}
memset(&bssid, 0, ETHER_ADDR_LEN);
WL_DBG(("Enter event %d ndev %p\n", event, ndev));
if (wl_get_mode_by_netdev(cfg, ndev) == WL_INVALID) {
MFREE(cfg->osh, body, len);
return WL_INVALID;
}
if (len)
memcpy(body, data, len);
wldev_iovar_getbuf_bsscfg(ndev, "cur_etheraddr",
NULL, 0, ioctl_buf, sizeof(ioctl_buf), bsscfgidx, NULL);
memcpy(da.octet, ioctl_buf, ETHER_ADDR_LEN);
memset(&bssid, 0, sizeof(bssid));
err = wldev_ioctl_get(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN);
switch (event) {
case WLC_E_ASSOC_IND:
fc = FC_ASSOC_REQ;
break;
case WLC_E_REASSOC_IND:
fc = FC_REASSOC_REQ;
break;
case WLC_E_DISASSOC_IND:
fc = FC_DISASSOC;
break;
case WLC_E_DEAUTH_IND:
fc = FC_DISASSOC;
break;
case WLC_E_DEAUTH:
fc = FC_DISASSOC;
break;
default:
fc = 0;
goto exit;
}
memset(&ci, 0, sizeof(ci));
if ((err = wldev_ioctl_get(ndev, WLC_GET_CHANNEL, &ci, sizeof(ci)))) {
MFREE(cfg->osh, body, len);
return err;
}
channel = dtoh32(ci.hw_channel);
if (channel <= CH_MAX_2G_CHANNEL)
band = wiphy->bands[IEEE80211_BAND_2GHZ];
else
band = wiphy->bands[IEEE80211_BAND_5GHZ];
if (!band) {
WL_ERR(("No valid band\n"));
if (body) {
MFREE(cfg->osh, body, len);
}
return -EINVAL;
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS)
freq = ieee80211_channel_to_frequency(channel);
(void)band->band;
#else
freq = ieee80211_channel_to_frequency(channel, band->band);
#endif // endif
body_len = len;
err = wl_frame_get_mgmt(cfg, fc, &da, &e->addr, &bssid,
&mgmt_frame, &len, body);
if (err < 0)
goto exit;
isfree = true;
if ((event == WLC_E_ASSOC_IND && reason == DOT11_SC_SUCCESS) ||
(event == WLC_E_DISASSOC_IND) ||
((event == WLC_E_DEAUTH_IND) || (event == WLC_E_DEAUTH))) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0))
cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, 0);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0))
cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, 0, GFP_ATOMIC);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || \
defined(WL_COMPAT_WIRELESS)
cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC);
#else
cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC);
#endif /* LINUX_VERSION >= VERSION(3, 18,0) || WL_COMPAT_WIRELESS */
}
exit:
if (isfree) {
MFREE(cfg->osh, mgmt_frame, len);
}
if (body) {
MFREE(cfg->osh, body, body_len);
}
#else /* LINUX_VERSION < VERSION(3,2,0) && !WL_CFG80211_STA_EVENT && !WL_COMPAT_WIRELESS */
sinfo.filled = 0;
if (((event == WLC_E_ASSOC_IND) || (event == WLC_E_REASSOC_IND)) &&
reason == DOT11_SC_SUCCESS) {
/* Linux ver >= 4.0 assoc_req_ies_len is used instead of
* STATION_INFO_ASSOC_REQ_IES flag
*/
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0))
sinfo.filled = STA_INFO_BIT(INFO_ASSOC_REQ_IES);
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)) */
if (!data) {
WL_ERR(("No IEs present in ASSOC/REASSOC_IND"));
return -EINVAL;
}
sinfo.assoc_req_ies = data;
sinfo.assoc_req_ies_len = len;
WL_MSG(ndev->name, "new sta event for "MACDBG "\n",
MAC2STRDBG(e->addr.octet));
wl_cfg80211_check_in4way(cfg, ndev, DONT_DELETE_GC_AFTER_WPS,
WL_EXT_STATUS_STA_CONNECTED, NULL);
cfg80211_new_sta(ndev, e->addr.octet, &sinfo, GFP_ATOMIC);
#ifdef WL_WPS_SYNC
wl_wps_session_update(ndev, WPS_STATE_LINKUP, e->addr.octet);
#endif /* WL_WPS_SYNC */
} else if ((event == WLC_E_DEAUTH_IND) ||
((event == WLC_E_DEAUTH) && (reason != DOT11_RC_RESERVED)) ||
(event == WLC_E_DISASSOC_IND)) {
WL_MSG(ndev->name, "del sta event for "MACDBG "\n",
MAC2STRDBG(e->addr.octet));
wl_cfg80211_check_in4way(cfg, ndev, DONT_DELETE_GC_AFTER_WPS,
WL_EXT_STATUS_STA_DISCONNECTED, NULL);
cfg80211_del_sta(ndev, e->addr.octet, GFP_ATOMIC);
#ifdef WL_WPS_SYNC
wl_wps_session_update(ndev, WPS_STATE_LINKDOWN, e->addr.octet);
#endif /* WL_WPS_SYNC */
}
#endif /* LINUX_VERSION < VERSION(3,2,0) && !WL_CFG80211_STA_EVENT && !WL_COMPAT_WIRELESS */
return err;
}
#ifdef WL_SAE
static s32
wl_cfg80211_event_sae_key(struct bcm_cfg80211 *cfg, struct net_device *ndev,
wl_sae_key_info_t *sae_key)
{
struct sk_buff *skb;
gfp_t kflags;
struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
int err = BCME_OK;
kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL;
#if (defined(CONFIG_ARCH_MSM) && defined(SUPPORT_WDEV_CFG80211_VENDOR_EVENT_ALLOC)) || \
LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)
skb = cfg80211_vendor_event_alloc(wiphy, ndev_to_wdev(ndev), BRCM_SAE_VENDOR_EVENT_BUF_LEN,
BRCM_VENDOR_EVENT_SAE_KEY, kflags);
#else
skb = cfg80211_vendor_event_alloc(wiphy, BRCM_SAE_VENDOR_EVENT_BUF_LEN,
BRCM_VENDOR_EVENT_SAE_KEY, kflags);
#endif /* (defined(CONFIG_ARCH_MSM) && defined(SUPPORT_WDEV_CFG80211_VENDOR_EVENT_ALLOC)) || */
/* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0) */
if (!skb) {
WL_ERR(("skb alloc failed"));
err = BCME_NOMEM;
goto done;
}
WL_INFORM_MEM(("Received Sae Key event for "MACDBG" key length %x %x",
MAC2STRDBG(sae_key->bssid), sae_key->pmk_len, sae_key->pmkid_len));
nla_put(skb, BRCM_SAE_KEY_ATTR_BSSID, ETHER_ADDR_LEN, sae_key->bssid);
nla_put(skb, BRCM_SAE_KEY_ATTR_PMK, sae_key->pmk_len, sae_key->pmk);
nla_put(skb, BRCM_SAE_KEY_ATTR_PMKID, sae_key->pmkid_len, sae_key->pmkid);
cfg80211_vendor_event(skb, kflags);
done:
return err;
}
static s32
wl_bss_handle_sae_auth(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const wl_event_msg_t *event, void *data)
{
int err = BCME_OK;
uint status = ntoh32(event->status);
wl_auth_event_t *auth_data;
wl_sae_key_info_t sae_key;
uint16 tlv_buf_len;
if (status == WLC_E_STATUS_SUCCESS) {
auth_data = (wl_auth_event_t *)data;
tlv_buf_len = auth_data->length - WL_AUTH_EVENT_FIXED_LEN_V1;
if (auth_data->version != WL_AUTH_EVENT_DATA_V1) {
WL_ERR(("unknown auth event data version %x\n",
auth_data->version));
err = BCME_VERSION;
goto done;
}
/* check if PMK info present */
sae_key.pmk = bcm_get_data_from_xtlv_buf(auth_data->xtlvs, tlv_buf_len,
WL_AUTH_PMK_TLV_ID, &(sae_key.pmk_len), BCM_XTLV_OPTION_ALIGN32);
if (!sae_key.pmk || !sae_key.pmk_len) {
WL_ERR(("Mandatory PMK info not present"));
err = BCME_NOTFOUND;
goto done;
}
/* check if PMKID info present */
sae_key.pmkid = bcm_get_data_from_xtlv_buf(auth_data->xtlvs, tlv_buf_len,
WL_AUTH_PMKID_TLV_ID, &(sae_key.pmkid_len), BCM_XTLV_OPTION_ALIGN32);
if (!sae_key.pmkid || !sae_key.pmkid_len) {
WL_ERR(("Mandatory PMKID info not present\n"));
err = BCME_NOTFOUND;
goto done;
}
memcpy(sae_key.bssid, event->addr.octet, ETHER_ADDR_LEN);
err = wl_cfg80211_event_sae_key(cfg, ndev, &sae_key);
if (err) {
WL_ERR(("Failed to event sae key info\n"));
}
}
done:
return err;
}
#endif /* WL_SAE */
static s32
wl_get_auth_assoc_status(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const wl_event_msg_t *e, void *data)
{
u32 reason = ntoh32(e->reason);
u32 event = ntoh32(e->event_type);
#ifdef WL_SAE
uint auth_type = ntoh32(e->auth_type);
#endif /* WL_SAE */
struct wl_security *sec = wl_read_prof(cfg, ndev, WL_PROF_SEC);
WL_DBG(("event type : %d, reason : %d\n", event, reason));
if (sec) {
switch (event) {
case WLC_E_ASSOC:
case WLC_E_AUTH:
sec->auth_assoc_res_status = reason;
#ifdef WL_SAE
if (event == WLC_E_AUTH && auth_type == DOT11_SAE) {
wl_bss_handle_sae_auth(cfg, ndev, e, data);
}
#endif /* WL_SAE */
default:
break;
}
} else
WL_ERR(("sec is NULL\n"));
return 0;
}
static s32
wl_notify_connect_status_ibss(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const wl_event_msg_t *e, void *data)
{
s32 err = 0;
u32 event = ntoh32(e->event_type);
u16 flags = ntoh16(e->flags);
u32 status = ntoh32(e->status);
bool active;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)
struct ieee80211_channel *channel = NULL;
struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
u32 chanspec, chan;
u32 freq, band;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) */
if (event == WLC_E_JOIN) {
WL_INFORM_MEM(("[%s] joined in IBSS network\n", ndev->name));
}
if (event == WLC_E_START) {
WL_INFORM_MEM(("[%s] started IBSS network\n", ndev->name));
}
if (event == WLC_E_JOIN || event == WLC_E_START ||
(event == WLC_E_LINK && (flags == WLC_EVENT_MSG_LINK))) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)
err = wldev_iovar_getint(ndev, "chanspec", (s32 *)&chanspec);
if (unlikely(err)) {
WL_ERR(("Could not get chanspec %d\n", err));
return err;
}
chan = wf_chspec_ctlchan(wl_chspec_driver_to_host(chanspec));
band = (chan <= CH_MAX_2G_CHANNEL) ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
freq = ieee80211_channel_to_frequency(chan, band);
channel = ieee80211_get_channel(wiphy, freq);
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) */
if (wl_get_drv_status(cfg, CONNECTED, ndev)) {
/* ROAM or Redundant */
u8 *cur_bssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
if (memcmp(cur_bssid, &e->addr, ETHER_ADDR_LEN) == 0) {
WL_DBG(("IBSS connected event from same BSSID("
MACDBG "), ignore it\n", MAC2STRDBG(cur_bssid)));
return err;
}
WL_INFORM_MEM(("[%s] IBSS BSSID is changed from " MACDBG " to " MACDBG "\n",
ndev->name, MAC2STRDBG(cur_bssid),
MAC2STRDBG((const u8 *)&e->addr)));
wl_get_assoc_ies(cfg, ndev);
wl_update_prof(cfg, ndev, NULL, (const void *)&e->addr, WL_PROF_BSSID);
wl_update_bss_info(cfg, ndev, false);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)
cfg80211_ibss_joined(ndev, (const s8 *)&e->addr, channel, GFP_KERNEL);
#else
cfg80211_ibss_joined(ndev, (const s8 *)&e->addr, GFP_KERNEL);
#endif // endif
}
else {
/* New connection */
WL_INFORM_MEM(("[%s] IBSS connected to " MACDBG "\n",
ndev->name, MAC2STRDBG((const u8 *)&e->addr)));
wl_link_up(cfg);
wl_get_assoc_ies(cfg, ndev);
wl_update_prof(cfg, ndev, NULL, (const void *)&e->addr, WL_PROF_BSSID);
wl_update_bss_info(cfg, ndev, false);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)
cfg80211_ibss_joined(ndev, (const s8 *)&e->addr, channel, GFP_KERNEL);
#else
cfg80211_ibss_joined(ndev, (const s8 *)&e->addr, GFP_KERNEL);
#endif // endif
wl_set_drv_status(cfg, CONNECTED, ndev);
active = true;
wl_update_prof(cfg, ndev, NULL, (const void *)&active, WL_PROF_ACT);
}
} else if ((event == WLC_E_LINK && !(flags & WLC_EVENT_MSG_LINK)) ||
event == WLC_E_DEAUTH_IND || event == WLC_E_DISASSOC_IND) {
wl_clr_drv_status(cfg, CONNECTED, ndev);
wl_link_down(cfg);
wl_init_prof(cfg, ndev);
}
else if (event == WLC_E_SET_SSID && status == WLC_E_STATUS_NO_NETWORKS) {
WL_INFORM_MEM(("no action - join fail (IBSS mode)\n"));
}
else {
WL_DBG(("no action (IBSS mode)\n"));
}
return err;
}
void wl_cfg80211_disassoc(struct net_device *ndev)
{
scb_val_t scbval;
s32 err;
memset(&scbval, 0x0, sizeof(scb_val_t));
scbval.val = htod32(WLAN_REASON_DEAUTH_LEAVING);
err = wldev_ioctl_set(ndev, WLC_DISASSOC, &scbval, sizeof(scb_val_t));
if (err < 0) {
WL_ERR(("WLC_DISASSOC error %d\n", err));
}
}
static s32
wl_notify_connect_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
bool act;
struct net_device *ndev = NULL;
s32 err = 0;
u32 event = ntoh32(e->event_type);
struct wiphy *wiphy = NULL;
struct cfg80211_bss *bss = NULL;
struct wlc_ssid *ssid = NULL;
u8 *bssid = 0;
dhd_pub_t *dhdp;
u32 mode;
int vndr_oui_num = 0;
char vndr_oui[MAX_VNDR_OUI_STR_LEN] = {0, };
bool loc_gen = false;
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
dhdp = (dhd_pub_t *)(cfg->pub);
BCM_REFERENCE(dhdp);
mode = wl_get_mode_by_netdev(cfg, ndev);
/* Push link events to upper layer log */
SUPP_LOG(("[%s] Mode:%d event:%d status:0x%x reason:%d\n",
ndev->name, mode, ntoh32(e->event_type),
ntoh32(e->status), ntoh32(e->reason)));
if (mode == WL_MODE_AP) {
err = wl_notify_connect_status_ap(cfg, ndev, e, data);
} else if (mode == WL_MODE_IBSS) {
err = wl_notify_connect_status_ibss(cfg, ndev, e, data);
} else if (mode == WL_MODE_BSS) {
WL_INFORM_MEM(("[%s] Mode BSS. event:%d status:%d reason:%d\n",
ndev->name, ntoh32(e->event_type),
ntoh32(e->status), ntoh32(e->reason)));
if (!wl_get_drv_status(cfg, CFG80211_CONNECT, ndev)) {
/* Join attempt via non-cfg80211 interface.
* Don't send resultant events to cfg80211
* layer
*/
WL_INFORM_MEM(("Event received in non-cfg80211"
" connect state. Ignore\n"));
return BCME_OK;
}
if (event == WLC_E_ASSOC || event == WLC_E_AUTH) {
wl_get_auth_assoc_status(cfg, ndev, e, data);
return 0;
}
DHD_DISABLE_RUNTIME_PM((dhd_pub_t *)cfg->pub);
if (wl_is_linkup(cfg, e, ndev)) {
wl_link_up(cfg);
act = true;
if (!wl_get_drv_status(cfg, DISCONNECTING, ndev)) {
WL_INFORM_MEM(("[%s] link up for bssid " MACDBG "\n",
ndev->name, MAC2STRDBG((const u8*)(&e->addr))));
if ((event == WLC_E_LINK) &&
(ntoh16(e->flags) & WLC_EVENT_MSG_LINK) &&
!wl_get_drv_status(cfg, CONNECTED, ndev) &&
!wl_get_drv_status(cfg, CONNECTING, ndev)) {
WL_INFORM_MEM(("link up in non-connected/"
"non-connecting state\n"));
wl_cfg80211_disassoc(ndev);
return BCME_OK;
}
#ifdef WL_WPS_SYNC
/* Avoid invocation for Roam cases */
if ((event == WLC_E_LINK) &&
!wl_get_drv_status(cfg, CONNECTED, ndev)) {
wl_wps_session_update(ndev,
WPS_STATE_LINKUP, e->addr.octet);
}
#endif /* WL_WPS_SYNC */
if (((event == WLC_E_ROAM) || (event == WLC_E_BSSID)) &&
!wl_get_drv_status(cfg, CONNECTED, ndev)) {
/* Roam event in disconnected state. DHD-FW state
* mismatch. Issue disassoc to clear fw state
*/
WL_INFORM_MEM(("Roam even in disconnected state."
" clear fw state\n"));
wl_cfg80211_disassoc(ndev);
return BCME_OK;
}
if (event == WLC_E_LINK &&
#ifdef DHD_LOSSLESS_ROAMING
!cfg->roam_offload &&
#endif /* DHD_LOSSLESS_ROAMING */
wl_get_drv_status(cfg, CONNECTED, ndev)) {
wl_bss_roaming_done(cfg, ndev, e, data);
} else {
/* Initial Association */
wl_bss_connect_done(cfg, ndev, e, data, true);
if (ndev == bcmcfg_to_prmry_ndev(cfg)) {
vndr_oui_num = wl_vndr_ies_get_vendor_oui(cfg,
ndev, vndr_oui, ARRAY_SIZE(vndr_oui));
if (vndr_oui_num > 0) {
WL_INFORM_MEM(("[%s] vendor oui: %s\n",
ndev->name, vndr_oui));
}
}
WL_DBG(("joined in BSS network \"%s\"\n",
((struct wlc_ssid *)
wl_read_prof(cfg, ndev,
WL_PROF_SSID))->SSID));
}
}
wl_update_prof(cfg, ndev, e, &act, WL_PROF_ACT);
wl_update_prof(cfg, ndev, NULL, (const void *)&e->addr, WL_PROF_BSSID);
} else if (WL_IS_LINKDOWN(cfg, e, data) ||
((event == WLC_E_SET_SSID) &&
(ntoh32(e->status) != WLC_E_STATUS_SUCCESS) &&
(wl_get_drv_status(cfg, CONNECTED, ndev)))) {
WL_INFORM_MEM(("link down. connection state bit status: [%u:%u:%u:%u]\n",
wl_get_drv_status(cfg, CONNECTING, ndev),
wl_get_drv_status(cfg, CONNECTED, ndev),
wl_get_drv_status(cfg, DISCONNECTING, ndev),
wl_get_drv_status(cfg, NESTED_CONNECT, ndev)));
#ifdef WL_WPS_SYNC
{
u8 wps_state;
if ((event == WLC_E_SET_SSID) &&
(ntoh32(e->status) != WLC_E_STATUS_SUCCESS)) {
/* connect fail */
wps_state = WPS_STATE_CONNECT_FAIL;
} else {
wps_state = WPS_STATE_LINKDOWN;
}
if (wl_wps_session_update(ndev,
wps_state, e->addr.octet) == BCME_UNSUPPORTED) {
/* Unexpected event. Ignore it. */
return 0;
}
}
#endif /* WL_WPS_SYNC */
if (wl_get_drv_status(cfg, DISCONNECTING, ndev) &&
(wl_get_drv_status(cfg, NESTED_CONNECT, ndev) ||
wl_get_drv_status(cfg, CONNECTING, ndev))) {
/* wl_cfg80211_connect was called before 'DISCONNECTING' was
* cleared. Deauth/Link down event is caused by WLC_DISASSOC
* command issued from the wl_cfg80211_connect context. Ignore
* the event to avoid pre-empting the current connection
*/
WL_DBG(("Nested connection case. Drop event. \n"));
wl_cfg80211_check_in4way(cfg, ndev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED,
WL_EXT_STATUS_DISCONNECTED, NULL);
wl_clr_drv_status(cfg, NESTED_CONNECT, ndev);
wl_clr_drv_status(cfg, DISCONNECTING, ndev);
/* Not in 'CONNECTED' state, clear it */
wl_clr_drv_status(cfg, CONNECTED, ndev);
return 0;
}
wl_flush_fw_log_buffer(bcmcfg_to_prmry_ndev(cfg),
FW_LOGSET_MASK_ALL);
#ifdef DHD_LOSSLESS_ROAMING
wl_del_roam_timeout(cfg);
#endif // endif
#ifdef P2PLISTEN_AP_SAMECHN
if (ndev == bcmcfg_to_prmry_ndev(cfg)) {
wl_cfg80211_set_p2p_resp_ap_chn(ndev, 0);
cfg->p2p_resp_apchn_status = false;
WL_DBG(("p2p_resp_apchn_status Turn OFF \n"));
}
#endif /* P2PLISTEN_AP_SAMECHN */
wl_cfg80211_cancel_scan(cfg);
if (wl_get_drv_status(cfg, CONNECTED, ndev)) {
u8 *curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
if (memcmp(curbssid, &e->addr, ETHER_ADDR_LEN) != 0) {
bool fw_assoc_state = TRUE;
dhd_pub_t *dhd = (dhd_pub_t *)cfg->pub;
fw_assoc_state = dhd_is_associated(dhd, e->ifidx, &err);
if (!fw_assoc_state) {
WL_ERR(("Event sends up even different BSSID"
" cur: " MACDBG " event: " MACDBG"\n",
MAC2STRDBG(curbssid),
MAC2STRDBG((const u8*)(&e->addr))));
} else {
WL_ERR(("BSSID of event is not the connected BSSID"
"(ignore it) cur: " MACDBG
" event: " MACDBG"\n",
MAC2STRDBG(curbssid),
MAC2STRDBG((const u8*)(&e->addr))));
return 0;
}
}
}
/* Explicitly calling unlink to remove BSS in CFG */
wiphy = bcmcfg_to_wiphy(cfg);
ssid = (struct wlc_ssid *)wl_read_prof(cfg, ndev, WL_PROF_SSID);
bssid = (u8 *)wl_read_prof(cfg, ndev, WL_PROF_BSSID);
if (ssid && bssid) {
bss = CFG80211_GET_BSS(wiphy, NULL, bssid,
ssid->SSID, ssid->SSID_len);
if (bss) {
cfg80211_unlink_bss(wiphy, bss);
CFG80211_PUT_BSS(wiphy, bss);
}
}
if (wl_get_drv_status(cfg, CONNECTED, ndev)) {
scb_val_t scbval;
u8 *curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
uint32 reason = 0;
struct ether_addr bssid_dongle = {{0, 0, 0, 0, 0, 0}};
struct ether_addr bssid_null = {{0, 0, 0, 0, 0, 0}};
if (event == WLC_E_DEAUTH_IND || event == WLC_E_DISASSOC_IND) {
reason = ntoh32(e->reason);
if (reason > WLC_E_DEAUTH_MAX_REASON) {
WL_ERR(("Event %d original reason is %d, "
"changed 0xFF\n", event, reason));
reason = WLC_E_DEAUTH_MAX_REASON;
}
}
#ifdef SET_SSID_FAIL_CUSTOM_RC
if (event == WLC_E_SET_SSID) {
reason = SET_SSID_FAIL_CUSTOM_RC;
}
#endif /* SET_SSID_FAIL_CUSTOM_RC */
/* roam offload does not sync BSSID always, get it from dongle */
if (cfg->roam_offload) {
memset(&bssid_dongle, 0, sizeof(bssid_dongle));
if (wldev_ioctl_get(ndev, WLC_GET_BSSID, &bssid_dongle,
sizeof(bssid_dongle)) == BCME_OK) {
/* if not roam case, it would return null bssid */
if (memcmp(&bssid_dongle, &bssid_null,
ETHER_ADDR_LEN) != 0) {
curbssid = (u8 *)&bssid_dongle;
}
}
}
if (memcmp(curbssid, &e->addr, ETHER_ADDR_LEN) != 0) {
bool fw_assoc_state = TRUE;
dhd_pub_t *dhd = (dhd_pub_t *)cfg->pub;
fw_assoc_state = dhd_is_associated(dhd, e->ifidx, &err);
if (!fw_assoc_state) {
WL_ERR(("Event sends up even different BSSID"
" cur: " MACDBG " event: " MACDBG"\n",
MAC2STRDBG(curbssid),
MAC2STRDBG((const u8*)(&e->addr))));
} else {
WL_ERR(("BSSID of event is not the connected BSSID"
"(ignore it) cur: " MACDBG
" event: " MACDBG"\n",
MAC2STRDBG(curbssid),
MAC2STRDBG((const u8*)(&e->addr))));
return 0;
}
}
#ifdef DBG_PKT_MON
/* Stop packet monitor */
if (ndev == bcmcfg_to_prmry_ndev(cfg)) {
DHD_DBG_PKT_MON_STOP(dhdp);
}
#endif /* DBG_PKT_MON */
/* clear RSSI monitor, framework will set new cfg */
#ifdef RSSI_MONITOR_SUPPORT
dhd_dev_set_rssi_monitor_cfg(bcmcfg_to_prmry_ndev(cfg),
FALSE, 0, 0);
#endif /* RSSI_MONITOR_SUPPORT */
if (!memcmp(ndev->name, WL_P2P_INTERFACE_PREFIX, strlen(WL_P2P_INTERFACE_PREFIX))) {
// terence 20130703: Fix for wrong group_capab (timing issue)
cfg->p2p_disconnected = 1;
}
memcpy(&cfg->disconnected_bssid, curbssid, ETHER_ADDR_LEN);
wl_clr_drv_status(cfg, CONNECTED, ndev);
if (!wl_get_drv_status(cfg, DISCONNECTING, ndev)) {
/* To make sure disconnect, explictly send dissassoc
* for BSSID 00:00:00:00:00:00 issue
*/
scbval.val = WLAN_REASON_DEAUTH_LEAVING;
WL_INFORM_MEM(("clear fw state\n"));
memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN);
scbval.val = htod32(scbval.val);
err = wldev_ioctl_set(ndev, WLC_DISASSOC, &scbval,
sizeof(scb_val_t));
if (err < 0) {
WL_ERR(("WLC_DISASSOC error %d\n", err));
err = 0;
}
}
if (wl_get_drv_status(cfg, DISCONNECTING, ndev)) {
loc_gen = true;
}
WL_INFORM_MEM(("[%s] Indicate disconnect event to upper layer. "
"event: %d reason=%d from " MACDBG "\n",
ndev->name, event, ntoh32(e->reason),
MAC2STRDBG((const u8*)(&e->addr))));
/* Send up deauth and clear states */
CFG80211_DISCONNECTED(ndev, reason, NULL, 0,
loc_gen, GFP_KERNEL);
wl_link_down(cfg);
wl_init_prof(cfg, ndev);
}
else if (wl_get_drv_status(cfg, CONNECTING, ndev)) {
WL_INFORM_MEM(("link down, during connecting\n"));
/* Issue WLC_DISASSOC to prevent FW roam attempts */
err = wldev_ioctl_set(ndev, WLC_DISASSOC, NULL, 0);
if (err < 0) {
WL_ERR(("CONNECTING state, WLC_DISASSOC error %d\n", err));
err = 0;
}
WL_DBG(("Clear drv CONNECTING status\n"));
wl_clr_drv_status(cfg, CONNECTING, ndev);
#ifdef ESCAN_RESULT_PATCH
if ((memcmp(connect_req_bssid, broad_bssid, ETHER_ADDR_LEN) == 0) ||
(memcmp(&e->addr, broad_bssid, ETHER_ADDR_LEN) == 0) ||
(memcmp(&e->addr, connect_req_bssid, ETHER_ADDR_LEN) == 0))
/* In case this event comes while associating another AP */
#endif /* ESCAN_RESULT_PATCH */
wl_bss_connect_done(cfg, ndev, e, data, false);
}
wl_clr_drv_status(cfg, DISCONNECTING, ndev);
wl_cfg80211_check_in4way(cfg, ndev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED,
WL_EXT_STATUS_DISCONNECTED, NULL);
/* if link down, bsscfg is diabled */
if (ndev != bcmcfg_to_prmry_ndev(cfg))
complete(&cfg->iface_disable);
#ifdef WLTDLS
/* re-enable TDLS if the number of connected interfaces
* is less than 2.
*/
wl_cfg80211_tdls_config(cfg, TDLS_STATE_DISCONNECT, false);
#endif /* WLTDLS */
} else if (wl_is_nonetwork(cfg, e)) {
WL_ERR(("connect failed event=%d e->status %d e->reason %d \n",
event, (int)ntoh32(e->status), (int)ntoh32(e->reason)));
wl_cfg80211_check_in4way(cfg, ndev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED,
WL_EXT_STATUS_DISCONNECTED, NULL);
#ifdef WL_WPS_SYNC
if (wl_wps_session_update(ndev,
WPS_STATE_CONNECT_FAIL, e->addr.octet) == BCME_UNSUPPORTED) {
/* Unexpected event. Ignore it. */
return 0;
}
#endif /* WL_WPS_SYNC */
/* Dump FW preserve buffer content */
wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL);
if (wl_get_drv_status(cfg, DISCONNECTING, ndev) &&
wl_get_drv_status(cfg, CONNECTING, ndev)) {
wl_clr_drv_status(cfg, DISCONNECTING, ndev);
wl_clr_drv_status(cfg, CONNECTING, ndev);
wl_cfg80211_scan_abort(cfg);
DHD_ENABLE_RUNTIME_PM((dhd_pub_t *)cfg->pub);
return err;
}
/* Clean up any pending scan request */
wl_cfg80211_cancel_scan(cfg);
if (wl_get_drv_status(cfg, CONNECTING, ndev)) {
WL_INFORM_MEM(("Issuing Dissassoc to prevent FW retries\n"));
err = wldev_ioctl_set(ndev, WLC_DISASSOC, NULL, 0);
if (err < 0) {
WL_ERR(("CONNECTING state, WLC_DISASSOC error %d\n", err));
err = 0;
}
WL_DBG(("Clear drv CONNECTING status\n"));
wl_bss_connect_done(cfg, ndev, e, data, false);
wl_clr_drv_status(cfg, CONNECTING, ndev);
}
} else {
WL_DBG(("%s nothing\n", __FUNCTION__));
}
DHD_ENABLE_RUNTIME_PM((dhd_pub_t *)cfg->pub);
}
else {
printf("wl_notify_connect_status : Invalid %s mode %d event %d status %d\n",
ndev->name, wl_get_mode_by_netdev(cfg, ndev), ntoh32(e->event_type),
ntoh32(e->status));
}
return err;
}
#ifdef WL_RELMCAST
void wl_cfg80211_set_rmc_pid(struct net_device *dev, int pid)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
if (pid > 0)
cfg->rmc_event_pid = pid;
WL_DBG(("set pid for rmc event : pid=%d\n", pid));
}
#endif /* WL_RELMCAST */
#ifdef WL_RELMCAST
static s32
wl_notify_rmc_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
u32 evt = ntoh32(e->event_type);
u32 reason = ntoh32(e->reason);
int ret = -1;
switch (reason) {
case WLC_E_REASON_RMC_AR_LOST:
case WLC_E_REASON_RMC_AR_NO_ACK:
if (cfg->rmc_event_pid != 0) {
ret = wl_netlink_send_msg(cfg->rmc_event_pid,
RMC_EVENT_LEADER_CHECK_FAIL,
cfg->rmc_event_seq++, NULL, 0);
}
break;
default:
break;
}
WL_DBG(("rmcevent : evt=%d, pid=%d, ret=%d\n", evt, cfg->rmc_event_pid, ret));
return ret;
}
#endif /* WL_RELMCAST */
#ifdef GSCAN_SUPPORT
static s32
wl_handle_roam_exp_event(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
struct net_device *ndev = NULL;
u32 datalen = be32_to_cpu(e->datalen);
if (datalen) {
wl_roam_exp_event_t *evt_data = (wl_roam_exp_event_t *)data;
if (evt_data->version == ROAM_EXP_EVENT_VERSION) {
wlc_ssid_t *ssid = &evt_data->cur_ssid;
struct wireless_dev *wdev;
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
if (ndev) {
wdev = ndev->ieee80211_ptr;
wdev->ssid_len = min(ssid->SSID_len, (uint32)DOT11_MAX_SSID_LEN);
memcpy(wdev->ssid, ssid->SSID, wdev->ssid_len);
WL_ERR(("SSID is %s\n", ssid->SSID));
wl_update_prof(cfg, ndev, NULL, ssid, WL_PROF_SSID);
} else {
WL_ERR(("NULL ndev!\n"));
}
} else {
WL_ERR(("Version mismatch %d, expected %d", evt_data->version,
ROAM_EXP_EVENT_VERSION));
}
}
return BCME_OK;
}
#endif /* GSCAN_SUPPORT */
#ifdef RSSI_MONITOR_SUPPORT
static s32 wl_handle_rssi_monitor_event(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
#if defined(WL_VENDOR_EXT_SUPPORT) || defined(CONFIG_BCMDHD_VENDOR_EXT)
u32 datalen = be32_to_cpu(e->datalen);
struct net_device *ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
if (datalen) {
wl_rssi_monitor_evt_t *evt_data = (wl_rssi_monitor_evt_t *)data;
if (evt_data->version == RSSI_MONITOR_VERSION) {
dhd_rssi_monitor_evt_t monitor_data;
monitor_data.version = DHD_RSSI_MONITOR_EVT_VERSION;
monitor_data.cur_rssi = evt_data->cur_rssi;
memcpy(&monitor_data.BSSID, &e->addr, ETHER_ADDR_LEN);
wl_cfgvendor_send_async_event(wiphy, ndev,
GOOGLE_RSSI_MONITOR_EVENT,
&monitor_data, sizeof(monitor_data));
} else {
WL_ERR(("Version mismatch %d, expected %d", evt_data->version,
RSSI_MONITOR_VERSION));
}
}
#endif /* WL_VENDOR_EXT_SUPPORT || CONFIG_BCMDHD_VENDOR_EXT */
return BCME_OK;
}
#endif /* RSSI_MONITOR_SUPPORT */
static s32
wl_notify_roaming_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
bool act;
struct net_device *ndev = NULL;
s32 err = 0;
u32 event = be32_to_cpu(e->event_type);
u32 status = be32_to_cpu(e->status);
#ifdef DHD_LOSSLESS_ROAMING
struct wl_security *sec;
#endif // endif
WL_DBG(("Enter \n"));
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
if ((!cfg->disable_roam_event) && (event == WLC_E_BSSID)) {
wl_add_remove_eventmsg(ndev, WLC_E_ROAM, false);
cfg->disable_roam_event = TRUE;
}
if ((cfg->disable_roam_event) && (event == WLC_E_ROAM))
return err;
if ((event == WLC_E_ROAM || event == WLC_E_BSSID) && status == WLC_E_STATUS_SUCCESS) {
if (wl_get_drv_status(cfg, CONNECTED, ndev)) {
#ifdef DHD_LOSSLESS_ROAMING
sec = wl_read_prof(cfg, ndev, WL_PROF_SEC);
/* In order to reduce roaming delay, wl_bss_roaming_done is
* early called with WLC_E_LINK event. It is called from
* here only if WLC_E_LINK event is blocked for specific
* security type.
*/
if (IS_AKM_SUITE_FT(sec)) {
wl_bss_roaming_done(cfg, ndev, e, data);
}
/* Roam timer is deleted mostly from wl_cfg80211_change_station
* after roaming is finished successfully. We need to delete
* the timer from here only for some security types that aren't
* using wl_cfg80211_change_station to authorize SCB
*/
if (IS_AKM_SUITE_FT(sec) || IS_AKM_SUITE_CCKM(sec)) {
wl_del_roam_timeout(cfg);
}
#else
wl_bss_roaming_done(cfg, ndev, e, data);
#endif /* DHD_LOSSLESS_ROAMING */
} else {
wl_bss_connect_done(cfg, ndev, e, data, true);
}
act = true;
wl_update_prof(cfg, ndev, e, &act, WL_PROF_ACT);
wl_update_prof(cfg, ndev, NULL, (const void *)&e->addr, WL_PROF_BSSID);
if (ndev == bcmcfg_to_prmry_ndev(cfg)) {
wl_vndr_ies_get_vendor_oui(cfg, ndev, NULL, 0);
}
}
#ifdef DHD_LOSSLESS_ROAMING
else if ((event == WLC_E_ROAM || event == WLC_E_BSSID) && status != WLC_E_STATUS_SUCCESS) {
wl_del_roam_timeout(cfg);
}
#endif // endif
return err;
}
#ifdef CUSTOM_EVENT_PM_WAKE
uint32 last_dpm_upd_time = 0; /* ms */
#define DPM_UPD_LMT_TIME (CUSTOM_EVENT_PM_WAKE + 5) * 1000 * 4 /* ms */
#define DPM_UPD_LMT_RSSI -85 /* dbm */
static s32
wl_check_pmstatus(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
s32 err = BCME_OK;
struct net_device *ndev = NULL;
u8 *pbuf = NULL;
uint32 cur_dpm_upd_time = 0;
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
s32 rssi;
#ifdef SUPPORT_RSSI_SUM_REPORT
wl_rssi_ant_mimo_t rssi_ant_mimo;
#endif /* SUPPORT_RSSI_SUM_REPORT */
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
pbuf = (u8 *)MALLOCZ(cfg->osh, WLC_IOCTL_MEDLEN);
if (pbuf == NULL) {
WL_ERR(("failed to allocate local pbuf\n"));
return -ENOMEM;
}
err = wldev_iovar_getbuf_bsscfg(ndev, "dump",
"pm", strlen("pm"), pbuf, WLC_IOCTL_MEDLEN, 0, &cfg->ioctl_buf_sync);
if (err) {
WL_ERR(("dump ioctl err = %d", err));
} else {
WL_ERR(("PM status : %s\n", pbuf));
}
if (pbuf) {
MFREE(cfg->osh, pbuf, WLC_IOCTL_MEDLEN);
}
if (dhd->early_suspended) {
/* LCD off */
#ifdef SUPPORT_RSSI_SUM_REPORT
/* Query RSSI sum across antennas */
memset(&rssi_ant_mimo, 0, sizeof(rssi_ant_mimo));
err = wl_get_rssi_per_ant(ndev, ndev->name, NULL, &rssi_ant_mimo);
if (err) {
WL_ERR(("Could not get rssi sum (%d)\n", err));
}
rssi = rssi_ant_mimo.rssi_sum;
if (rssi == 0)
#endif /* SUPPORT_RSSI_SUM_REPORT */
{
scb_val_t scb_val;
memset(&scb_val, 0, sizeof(scb_val_t));
scb_val.val = 0;
err = wldev_ioctl_get(ndev, WLC_GET_RSSI, &scb_val, sizeof(scb_val_t));
if (err) {
WL_ERR(("Could not get rssi (%d)\n", err));
}
#if defined(RSSIOFFSET)
rssi = wl_update_rssi_offset(ndev, dtoh32(scb_val.val));
#else
rssi = dtoh32(scb_val.val);
#endif
}
WL_ERR(("RSSI %d dBm\n", rssi));
if (rssi > DPM_UPD_LMT_RSSI) {
return err;
}
} else {
/* LCD on */
return err;
}
if (last_dpm_upd_time == 0) {
last_dpm_upd_time = OSL_SYSUPTIME();
} else {
cur_dpm_upd_time = OSL_SYSUPTIME();
if (cur_dpm_upd_time - last_dpm_upd_time < DPM_UPD_LMT_TIME) {
scb_val_t scbval;
bzero(&scbval, sizeof(scb_val_t));
err = wldev_ioctl_set(ndev, WLC_DISASSOC, &scbval, sizeof(scb_val_t));
if (err < 0) {
WL_ERR(("%s: Disassoc error %d\n", __FUNCTION__, err));
return err;
}
WL_ERR(("%s: Force Disassoc due to updated DPM event.\n", __FUNCTION__));
last_dpm_upd_time = 0;
} else {
last_dpm_upd_time = cur_dpm_upd_time;
}
}
return err;
}
#endif /* CUSTOM_EVENT_PM_WAKE */
#ifdef QOS_MAP_SET
/* get user priority table */
uint8 *
wl_get_up_table(dhd_pub_t * dhdp, int idx)
{
struct net_device *ndev;
struct bcm_cfg80211 *cfg;
ndev = dhd_idx2net(dhdp, idx);
if (ndev) {
cfg = wl_get_cfg(ndev);
if (cfg)
return (uint8 *)(cfg->up_table);
}
return NULL;
}
#endif /* QOS_MAP_SET */
#if defined(DHD_LOSSLESS_ROAMING) || defined(DBG_PKT_MON)
static s32
wl_notify_roam_prep_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
struct wl_security *sec;
struct net_device *ndev;
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
u32 status = ntoh32(e->status);
u32 reason = ntoh32(e->reason);
BCM_REFERENCE(sec);
if (status == WLC_E_STATUS_SUCCESS && reason != WLC_E_REASON_INITIAL_ASSOC) {
WL_ERR(("Attempting roam with reason code : %d\n", reason));
}
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
#ifdef DBG_PKT_MON
if (ndev == bcmcfg_to_prmry_ndev(cfg)) {
DHD_DBG_PKT_MON_STOP(dhdp);
DHD_DBG_PKT_MON_START(dhdp);
}
#endif /* DBG_PKT_MON */
#ifdef DHD_LOSSLESS_ROAMING
sec = wl_read_prof(cfg, ndev, WL_PROF_SEC);
/* Disable Lossless Roaming for specific AKM suite
* Any other AKM suite can be added below if transition time
* is delayed because of Lossless Roaming
* and it causes any certication failure
*/
if (IS_AKM_SUITE_FT(sec)) {
return BCME_OK;
}
dhdp->dequeue_prec_map = 1 << PRIO_8021D_NC;
/* Restore flow control */
dhd_txflowcontrol(dhdp, ALL_INTERFACES, OFF);
mod_timer(&cfg->roam_timeout, jiffies + msecs_to_jiffies(WL_ROAM_TIMEOUT_MS));
#endif /* DHD_LOSSLESS_ROAMING */
return BCME_OK;
}
#endif /* DHD_LOSSLESS_ROAMING || DBG_PKT_MON */
static s32
wl_notify_roam_start_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0)) || defined(WL_VENDOR_EXT_SUPPORT)
struct net_device *ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
int event_type;
event_type = WIFI_EVENT_ROAM_SCAN_STARTED;
wl_cfgvendor_send_async_event(wiphy, ndev, GOOGLE_ROAM_EVENT_START,
&event_type, sizeof(int));
#endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0)) || (WL_VENDOR_EXT_SUPPORT) */
return BCME_OK;
}
static s32 wl_get_assoc_ies(struct bcm_cfg80211 *cfg, struct net_device *ndev)
{
wl_assoc_info_t assoc_info;
struct wl_connect_info *conn_info = wl_to_conn(cfg);
s32 err = 0;
#ifdef QOS_MAP_SET
bcm_tlv_t * qos_map_ie = NULL;
#endif /* QOS_MAP_SET */
WL_DBG(("Enter \n"));
err = wldev_iovar_getbuf(ndev, "assoc_info", NULL, 0, cfg->extra_buf,
WL_ASSOC_INFO_MAX, NULL);
if (unlikely(err)) {
WL_ERR(("could not get assoc info (%d)\n", err));
return err;
}
memcpy(&assoc_info, cfg->extra_buf, sizeof(wl_assoc_info_t));
assoc_info.req_len = htod32(assoc_info.req_len);
assoc_info.resp_len = htod32(assoc_info.resp_len);
assoc_info.flags = htod32(assoc_info.flags);
if (assoc_info.req_len > (MAX_REQ_LINE + sizeof(struct dot11_assoc_req) +
((assoc_info.flags & WLC_ASSOC_REQ_IS_REASSOC) ? ETHER_ADDR_LEN : 0))) {
err = BCME_BADLEN;
goto exit;
}
if ((assoc_info.req_len > 0) &&
(assoc_info.req_len < (sizeof(struct dot11_assoc_req) +
((assoc_info.flags & WLC_ASSOC_REQ_IS_REASSOC) ? ETHER_ADDR_LEN : 0)))) {
err = BCME_BADLEN;
goto exit;
}
if (assoc_info.resp_len > (MAX_REQ_LINE + sizeof(struct dot11_assoc_resp))) {
err = BCME_BADLEN;
goto exit;
}
if ((assoc_info.resp_len > 0) && (assoc_info.resp_len < sizeof(struct dot11_assoc_resp))) {
err = BCME_BADLEN;
goto exit;
}
if (conn_info->req_ie_len) {
conn_info->req_ie_len = 0;
bzero(conn_info->req_ie, sizeof(conn_info->req_ie));
}
if (conn_info->resp_ie_len) {
conn_info->resp_ie_len = 0;
bzero(conn_info->resp_ie, sizeof(conn_info->resp_ie));
}
if (assoc_info.req_len) {
err = wldev_iovar_getbuf(ndev, "assoc_req_ies", NULL, 0, cfg->extra_buf,
assoc_info.req_len, NULL);
if (unlikely(err)) {
WL_ERR(("could not get assoc req (%d)\n", err));
goto exit;
}
if (assoc_info.req_len < sizeof(struct dot11_assoc_req)) {
WL_ERR(("req_len %d lessthan %d \n", assoc_info.req_len,
(int)sizeof(struct dot11_assoc_req)));
return BCME_BADLEN;
}
conn_info->req_ie_len = assoc_info.req_len - sizeof(struct dot11_assoc_req);
if (assoc_info.flags & WLC_ASSOC_REQ_IS_REASSOC) {
conn_info->req_ie_len -= ETHER_ADDR_LEN;
}
memcpy(conn_info->req_ie, cfg->extra_buf, conn_info->req_ie_len);
}
if (assoc_info.resp_len) {
err = wldev_iovar_getbuf(ndev, "assoc_resp_ies", NULL, 0, cfg->extra_buf,
assoc_info.resp_len, NULL);
if (unlikely(err)) {
WL_ERR(("could not get assoc resp (%d)\n", err));
goto exit;
}
if (assoc_info.resp_len < sizeof(struct dot11_assoc_resp)) {
WL_ERR(("resp_len %d is lessthan %d \n", assoc_info.resp_len,
(int)sizeof(struct dot11_assoc_resp)));
}
conn_info->resp_ie_len = assoc_info.resp_len - sizeof(struct dot11_assoc_resp);
memcpy(conn_info->resp_ie, cfg->extra_buf, conn_info->resp_ie_len);
#ifdef QOS_MAP_SET
/* find qos map set ie */
if ((qos_map_ie = bcm_parse_tlvs(conn_info->resp_ie, conn_info->resp_ie_len,
DOT11_MNG_QOS_MAP_ID)) != NULL) {
WL_DBG((" QoS map set IE found in assoc response\n"));
if (!cfg->up_table) {
cfg->up_table = (uint8 *)MALLOC(cfg->osh, UP_TABLE_MAX);
}
wl_set_up_table(cfg->up_table, qos_map_ie);
} else {
MFREE(cfg->osh, cfg->up_table, UP_TABLE_MAX);
cfg->up_table = NULL;
}
#endif /* QOS_MAP_SET */
}
exit:
if (err) {
WL_ERR(("err:%d, assoc_info-req:%u,resp:%u conn_info-req:%u,resp:%u\n",
err, assoc_info.req_len, assoc_info.resp_len,
conn_info->req_ie_len, conn_info->resp_ie_len));
}
return err;
}
static s32 wl_ch_to_chanspec(struct net_device *dev, int ch, struct wl_join_params *join_params,
size_t *join_params_size)
{
chanspec_t chanspec = 0, chspec;
struct bcm_cfg80211 *cfg =
(struct bcm_cfg80211 *)wiphy_priv(dev->ieee80211_ptr->wiphy);
if ((ch != 0) && (cfg && !cfg->rcc_enabled)) {
join_params->params.chanspec_num = 1;
join_params->params.chanspec_list[0] = ch;
if (join_params->params.chanspec_list[0] <= CH_MAX_2G_CHANNEL)
chanspec |= WL_CHANSPEC_BAND_2G;
else
chanspec |= WL_CHANSPEC_BAND_5G;
/* Get the min_bw set for the interface */
chspec = WL_CHANSPEC_BW_20;
if (chspec == INVCHANSPEC) {
WL_ERR(("Invalid chanspec \n"));
return -EINVAL;
}
chanspec |= chspec;
chanspec |= WL_CHANSPEC_CTL_SB_NONE;
*join_params_size += WL_ASSOC_PARAMS_FIXED_SIZE +
join_params->params.chanspec_num * sizeof(chanspec_t);
join_params->params.chanspec_list[0] &= WL_CHANSPEC_CHAN_MASK;
join_params->params.chanspec_list[0] |= chanspec;
join_params->params.chanspec_list[0] =
wl_chspec_host_to_driver(join_params->params.chanspec_list[0]);
join_params->params.chanspec_num =
htod32(join_params->params.chanspec_num);
}
#ifdef ESCAN_CHANNEL_CACHE
else {
/* If channel is not present and ESCAN_CHANNEL_CACHE is enabled,
* use the cached channel list
*/
int n_channels;
n_channels = get_roam_channel_list(ch, join_params->params.chanspec_list,
MAX_ROAM_CHANNEL, &join_params->ssid, ioctl_version);
join_params->params.chanspec_num = htod32(n_channels);
*join_params_size += WL_ASSOC_PARAMS_FIXED_SIZE +
join_params->params.chanspec_num * sizeof(chanspec_t);
}
#endif /* ESCAN_CHANNEL_CACHE */
WL_DBG(("join_params->params.chanspec_list[0]= %X, %d channels\n",
join_params->params.chanspec_list[0],
join_params->params.chanspec_num));
return 0;
}
static s32 wl_update_bss_info(struct bcm_cfg80211 *cfg, struct net_device *ndev, bool roam)
{
struct cfg80211_bss *bss;
wl_bss_info_t *bi;
struct wlc_ssid *ssid;
const struct bcm_tlv *tim;
s32 beacon_interval;
s32 dtim_period;
size_t ie_len;
const u8 *ie;
u8 *curbssid;
s32 err = 0;
struct wiphy *wiphy;
u32 channel;
char *buf;
u32 freq, band;
wiphy = bcmcfg_to_wiphy(cfg);
ssid = (struct wlc_ssid *)wl_read_prof(cfg, ndev, WL_PROF_SSID);
curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
bss = CFG80211_GET_BSS(wiphy, NULL, curbssid,
ssid->SSID, ssid->SSID_len);
buf = (char *)MALLOCZ(cfg->osh, WL_EXTRA_BUF_MAX);
if (!buf) {
WL_ERR(("buffer alloc failed.\n"));
return BCME_NOMEM;
}
mutex_lock(&cfg->usr_sync);
*(u32 *)buf = htod32(WL_EXTRA_BUF_MAX);
err = wldev_ioctl_get(ndev, WLC_GET_BSS_INFO, buf, WL_EXTRA_BUF_MAX);
if (unlikely(err)) {
WL_ERR(("Could not get bss info %d\n", err));
goto update_bss_info_out;
}
bi = (wl_bss_info_t *)(buf + 4);
channel = wf_chspec_ctlchan(wl_chspec_driver_to_host(bi->chanspec));
wl_update_prof(cfg, ndev, NULL, &channel, WL_PROF_CHAN);
if (!bss) {
WL_DBG(("Could not find the AP\n"));
if (memcmp(bi->BSSID.octet, curbssid, ETHER_ADDR_LEN)) {
WL_ERR(("Bssid doesn't match\n"));
err = -EIO;
goto update_bss_info_out;
}
err = wl_inform_single_bss(cfg, bi, roam);
if (unlikely(err))
goto update_bss_info_out;
ie = ((u8 *)bi) + bi->ie_offset;
ie_len = bi->ie_length;
beacon_interval = cpu_to_le16(bi->beacon_period);
} else {
WL_DBG(("Found the AP in the list - BSSID %pM\n", bss->bssid));
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS)
freq = ieee80211_channel_to_frequency(channel);
#else
band = (channel <= CH_MAX_2G_CHANNEL) ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
freq = ieee80211_channel_to_frequency(channel, band);
#endif // endif
bss->channel = ieee80211_get_channel(wiphy, freq);
#if defined(WL_CFG80211_P2P_DEV_IF)
ie = (const u8 *)bss->ies->data;
ie_len = bss->ies->len;
#else
ie = bss->information_elements;
ie_len = bss->len_information_elements;
#endif /* WL_CFG80211_P2P_DEV_IF */
beacon_interval = bss->beacon_interval;
CFG80211_PUT_BSS(wiphy, bss);
}
tim = bcm_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
if (tim) {
dtim_period = tim->data[1];
} else {
/*
* active scan was done so we could not get dtim
* information out of probe response.
* so we speficially query dtim information.
*/
dtim_period = 0;
err = wldev_ioctl_get(ndev, WLC_GET_DTIMPRD,
&dtim_period, sizeof(dtim_period));
if (unlikely(err)) {
WL_ERR(("WLC_GET_DTIMPRD error (%d)\n", err));
goto update_bss_info_out;
}
}
wl_update_prof(cfg, ndev, NULL, &beacon_interval, WL_PROF_BEACONINT);
wl_update_prof(cfg, ndev, NULL, &dtim_period, WL_PROF_DTIMPERIOD);
update_bss_info_out:
if (unlikely(err)) {
WL_ERR(("Failed with error %d\n", err));
}
MFREE(cfg->osh, buf, WL_EXTRA_BUF_MAX);
mutex_unlock(&cfg->usr_sync);
return err;
}
static s32
wl_bss_roaming_done(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const wl_event_msg_t *e, void *data)
{
struct wl_connect_info *conn_info = wl_to_conn(cfg);
s32 err = 0;
u8 *curbssid;
u32 *channel;
scb_val_t scbval;
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS)
struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
struct ieee80211_supported_band *band;
struct ieee80211_channel *notify_channel = NULL;
u32 freq;
#ifdef BCM4359_CHIP
struct channel_info ci;
u32 cur_channel;
#endif /* BCM4359_CHIP */
#endif /* LINUX_VERSION > 2.6.39 || WL_COMPAT_WIRELESS */
#if (defined(CONFIG_ARCH_MSM) && defined(CFG80211_ROAMED_API_UNIFIED)) || \
(LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) || defined(WL_FILS_ROAM_OFFLD) || \
defined(CFG80211_ROAM_API_GE_4_12)
struct cfg80211_roam_info roam_info;
#endif /* (CONFIG_ARCH_MSM && CFG80211_ROAMED_API_UNIFIED) || LINUX_VERSION >= 4.12.0 */
#if defined(WL_FILS_ROAM_OFFLD)
struct wl_fils_info *fils_info = wl_to_fils_info(cfg);
struct wl_security *sec = wl_read_prof(cfg, ndev, WL_PROF_SEC);
#endif // endif
#ifdef WLFBT
uint32 data_len = 0;
if (data)
data_len = ntoh32(e->datalen);
#endif /* WLFBT */
curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
channel = (u32 *)wl_read_prof(cfg, ndev, WL_PROF_CHAN);
#ifdef BCM4359_CHIP
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS)
/* Skip calling cfg80211_roamed If the channels are same and
* the current bssid & the new bssid are same
* Also clear timer roam_timeout.
* Only used on BCM4359 devices.
*/
memset(&ci, 0, sizeof(ci));
if ((wldev_ioctl_get(ndev, WLC_GET_CHANNEL, &ci,
sizeof(ci))) < 0) {
WL_ERR(("Failed to get current channel !"));
err = BCME_ERROR;
goto fail;
}
cur_channel = dtoh32(ci.hw_channel);
if ((*channel == cur_channel) && ((memcmp(curbssid, &e->addr,
ETHER_ADDR_LEN) == 0) || (memcmp(&cfg->last_roamed_addr,
&e->addr, ETHER_ADDR_LEN) == 0))) {
WL_ERR(("BSS already present, Skipping roamed event to"
" upper layer\n"));
goto fail;
}
#endif /* LINUX_VERSION > 2.6.39 || WL_COMPAT_WIRELESS */
#endif /* BCM4359 CHIP */
if ((err = wl_get_assoc_ies(cfg, ndev)) != BCME_OK) {
WL_ERR(("Fetching Assoc IEs failed, Skipping roamed event to"
" upper layer\n"));
/* To make sure disconnect, and fw sync, explictly send dissassoc
* for BSSID 00:00:00:00:00:00 issue
*/
memset(&scbval, 0, sizeof(scb_val_t));
scbval.val = WLAN_REASON_DEAUTH_LEAVING;
memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN);
scbval.val = htod32(scbval.val);
if (wldev_ioctl_set(ndev, WLC_DISASSOC, &scbval,
sizeof(scb_val_t)) < 0) {
WL_ERR(("WLC_DISASSOC error\n"));
}
goto fail;
}
wl_update_prof(cfg, ndev, NULL, (const void *)(e->addr.octet), WL_PROF_BSSID);
curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
if ((err = wl_update_bss_info(cfg, ndev, true)) != BCME_OK) {
WL_ERR(("failed to update bss info, err=%d\n", err));
goto fail;
}
wl_update_pmklist(ndev, cfg->pmk_list, err);
channel = (u32 *)wl_read_prof(cfg, ndev, WL_PROF_CHAN);
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS)
/* channel info for cfg80211_roamed introduced in 2.6.39-rc1 */
if (*channel <= CH_MAX_2G_CHANNEL)
band = wiphy->bands[IEEE80211_BAND_2GHZ];
else
band = wiphy->bands[IEEE80211_BAND_5GHZ];
freq = ieee80211_channel_to_frequency(*channel, band->band);
notify_channel = ieee80211_get_channel(wiphy, freq);
#endif /* LINUX_VERSION > 2.6.39 || WL_COMPAT_WIRELESS */
#ifdef WLFBT
/* back up the given FBT key for the further supplicant request,
* currently not checking the FBT is enabled for current BSS in DHD,
* because the supplicant decides to take it or not.
*/
if (data && (data_len == FBT_KEYLEN)) {
memcpy(cfg->fbt_key, data, FBT_KEYLEN);
}
#endif /* WLFBT */
#ifdef CUSTOM_LONG_RETRY_LIMIT
if (wl_set_retry(ndev, CUSTOM_LONG_RETRY_LIMIT, 1) < 0) {
WL_ERR(("CUSTOM_LONG_RETRY_LIMIT set fail!\n"));
}
#endif /* CUSTOM_LONG_RETRY_LIMIT */
WL_ERR(("Report roam event to upper layer. " MACDBG " (ch:%d)\n",
MAC2STRDBG((const u8*)(&e->addr)), *channel));
wl_cfg80211_check_in4way(cfg, ndev, 0, WL_EXT_STATUS_CONNECTED, NULL);
#if (defined(CONFIG_ARCH_MSM) && defined(CFG80211_ROAMED_API_UNIFIED)) || \
(LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) || defined(WL_FILS_ROAM_OFFLD) || \
defined(CFG80211_ROAM_API_GE_4_12)
memset(&roam_info, 0, sizeof(struct cfg80211_roam_info));
roam_info.channel = notify_channel;
roam_info.bssid = curbssid;
roam_info.req_ie = conn_info->req_ie;
roam_info.req_ie_len = conn_info->req_ie_len;
roam_info.resp_ie = conn_info->resp_ie;
roam_info.resp_ie_len = conn_info->resp_ie_len;
#if defined(WL_FILS_ROAM_OFFLD)
if ((sec->auth_type == DOT11_FILS_SKEY_PFS)||(sec->auth_type == DOT11_FILS_SKEY)) {
roam_info.fils.kek = fils_info->fils_kek;
roam_info.fils.kek_len = fils_info->fils_kek_len;
roam_info.fils.update_erp_next_seq_num = true;
roam_info.fils.erp_next_seq_num = fils_info->fils_erp_next_seq_num;
roam_info.fils.pmk = fils_info->fils_pmk;
roam_info.fils.pmk_len = fils_info->fils_kek_len;
roam_info.fils.pmkid = fils_info->fils_pmkid;
}
#endif // endif
cfg80211_roamed(ndev, &roam_info, GFP_KERNEL);
#else
cfg80211_roamed(ndev,
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS)
notify_channel,
#endif // endif
curbssid,
conn_info->req_ie, conn_info->req_ie_len,
conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
#endif /* (CONFIG_ARCH_MSM && CFG80211_ROAMED_API_UNIFIED) || LINUX_VERSION >= 4.12.0 */
memcpy(&cfg->last_roamed_addr, &e->addr, ETHER_ADDR_LEN);
wl_set_drv_status(cfg, CONNECTED, ndev);
return err;
fail:
#ifdef DHD_LOSSLESS_ROAMING
wl_del_roam_timeout(cfg);
#endif /* DHD_LOSSLESS_ROAMING */
return err;
}
static bool
wl_cfg80211_verify_bss(struct bcm_cfg80211 *cfg, struct net_device *ndev,
struct cfg80211_bss **bss)
{
struct wiphy *wiphy;
struct wlc_ssid *ssid;
uint8 *curbssid;
int count = 0;
int ret = false;
u8 cur_ssid[DOT11_MAX_SSID_LEN + 1];
wiphy = bcmcfg_to_wiphy(cfg);
ssid = (struct wlc_ssid *)wl_read_prof(cfg, ndev, WL_PROF_SSID);
curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
if (!ssid) {
WL_ERR(("No SSID found in the saved profile \n"));
return false;
}
do {
*bss = CFG80211_GET_BSS(wiphy, NULL, curbssid,
ssid->SSID, ssid->SSID_len);
if (*bss || (count > 5)) {
break;
}
count++;
msleep(100);
} while (*bss == NULL);
WL_DBG(("cfg80211 bss_ptr:%p loop_cnt:%d\n", *bss, count));
if (*bss) {
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 7, 0))
/* Update the reference count after use. In case of kernel version >= 4.7
* the cfg802_put_bss is called in cfg80211_connect_bss context
*/
CFG80211_PUT_BSS(wiphy, *bss);
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(4, 7, 0) */
ret = true;
} else {
memset(cur_ssid, 0, DOT11_MAX_SSID_LEN);
strncpy(cur_ssid, ssid->SSID,
MIN(ssid->SSID_len, DOT11_MAX_SSID_LEN));
WL_ERR(("No bss entry for ssid:%s bssid:"MACDBG"\n",
cur_ssid, MAC2STRDBG(curbssid)));
}
return ret;
}
static void wl_notify_scan_done(struct bcm_cfg80211 *cfg, bool aborted)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0))
struct cfg80211_scan_info info;
memset(&info, 0, sizeof(struct cfg80211_scan_info));
info.aborted = aborted;
cfg80211_scan_done(cfg->scan_request, &info);
#else
cfg80211_scan_done(cfg->scan_request, aborted);
#endif // endif
}
#ifdef WL_FILS
static s32
wl_get_fils_connect_params(struct bcm_cfg80211 *cfg, struct net_device *ndev)
{
const bcm_xtlv_t* pxtlv_out;
struct wl_fils_info *fils_info = wl_to_fils_info(cfg);
int err = BCME_OK;
bcm_iov_buf_t *iov_buf_in = NULL;
bcm_iov_buf_t iov_buf_out = {0};
u16 len;
u16 type;
const u8 *data;
iov_buf_in = MALLOCZ(cfg->osh, WLC_IOCTL_SMLEN);
if (!iov_buf_in) {
WL_ERR(("buf memory alloc failed\n"));
err = BCME_NOMEM;
goto exit;
}
iov_buf_out.version = WL_FILS_IOV_VERSION;
iov_buf_out.id = WL_FILS_CMD_GET_CONNECT_PARAMS;
err = wldev_iovar_getbuf(ndev, "fils", (uint8*)&iov_buf_out, sizeof(bcm_iov_buf_t),
iov_buf_in, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync);
if (unlikely(err)) {
WL_ERR(("Get FILS Params Error (%d)\n", err));
goto exit;
}
pxtlv_out = (bcm_xtlv_t*)((bcm_iov_buf_t*)iov_buf_in)->data;
len = iov_buf_in->len;
do {
if (!bcm_valid_xtlv(pxtlv_out, iov_buf_in->len, BCM_XTLV_OPTION_ALIGN32)) {
WL_ERR(("%s: XTLV is not valid\n", __func__));
err = BCME_BADARG;
goto exit;
}
bcm_xtlv_unpack_xtlv(pxtlv_out, &type, &len, &data, BCM_XTLV_OPTION_ALIGN32);
switch (type) {
case WL_FILS_XTLV_ERP_NEXT_SEQ_NUM:
fils_info->fils_erp_next_seq_num = *(const u16 *)data;
break;
case WL_FILS_XTLV_KEK:
memcpy(fils_info->fils_kek, data, len);
fils_info->fils_kek_len = len;
break;
case WL_FILS_XTLV_PMK:
memcpy(fils_info->fils_pmk, data, len);
fils_info->fils_pmk_len = len;
break;
case WL_FILS_XTLV_PMKID:
memcpy(fils_info->fils_pmkid, data, len);
break;
default:
WL_ERR(("%s: wrong XTLV code\n", __func__));
break;
}
} while ((pxtlv_out = bcm_next_xtlv(pxtlv_out, (int *)&iov_buf_in->len,
BCM_XTLV_OPTION_ALIGN32)) && iov_buf_in->len);
exit:
if (iov_buf_in) {
MFREE(cfg->osh, iov_buf_in, WLC_IOCTL_SMLEN);
}
return err;
}
#endif /* WL_FILS */
static s32
wl_bss_connect_done(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const wl_event_msg_t *e, void *data, bool completed)
{
struct wl_connect_info *conn_info = wl_to_conn(cfg);
struct wl_security *sec = wl_read_prof(cfg, ndev, WL_PROF_SEC);
s32 err = 0;
#ifdef WL_FILS
struct cfg80211_connect_resp_params resp_params = {0};
struct wl_fils_info *fils_info = NULL;
struct wlc_ssid *ssid = NULL;
struct wiphy *wiphy = NULL;
#endif /* WL_FILS */
u8 *curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
u32 event_type = ntoh32(e->event_type);
#ifdef WL_IRQSET
int delta_time = 0;
#endif /* WL_IRQSET */
struct cfg80211_bss *bss = NULL;
dhd_pub_t *dhdp;
dhdp = (dhd_pub_t *)(cfg->pub);
BCM_REFERENCE(dhdp);
if (!sec) {
WL_ERR(("sec is NULL\n"));
return -ENODEV;
}
WL_DBG((" enter\n"));
#ifdef ESCAN_RESULT_PATCH
if (wl_get_drv_status(cfg, CONNECTED, ndev)) {
if (memcmp(curbssid, connect_req_bssid, ETHER_ADDR_LEN) == 0) {
WL_INFORM_MEM((" Connected event of connected "
"device e=%d s=%d, ignore it\n",
ntoh32(e->event_type), ntoh32(e->status)));
return err;
}
}
if (memcmp(curbssid, broad_bssid, ETHER_ADDR_LEN) == 0 &&
memcmp(broad_bssid, connect_req_bssid, ETHER_ADDR_LEN) != 0) {
WL_DBG(("copy bssid\n"));
memcpy(curbssid, connect_req_bssid, ETHER_ADDR_LEN);
}
#else
if (cfg->scan_request) {
wl_notify_escan_complete(cfg, ndev, true, true);
}
#endif /* ESCAN_RESULT_PATCH */
if (wl_get_drv_status(cfg, CONNECTING, ndev)) {
wl_cfg80211_scan_abort(cfg);
wl_clr_drv_status(cfg, CONNECTING, ndev);
if (completed) {
wl_get_assoc_ies(cfg, ndev);
wl_update_prof(cfg, ndev, NULL, (const void *)(e->addr.octet),
WL_PROF_BSSID);
curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
wl_update_bss_info(cfg, ndev, false);
wl_update_pmklist(ndev, cfg->pmk_list, err);
wl_set_drv_status(cfg, CONNECTED, ndev);
#if defined(ROAM_ENABLE) && defined(ROAM_AP_ENV_DETECTION)
if (dhdp->roam_env_detection)
wldev_iovar_setint(ndev, "roam_env_detection",
AP_ENV_INDETERMINATE);
#endif /* ROAM_AP_ENV_DETECTION */
if (ndev != bcmcfg_to_prmry_ndev(cfg)) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0)
init_completion(&cfg->iface_disable);
#else
/* reinitialize completion to clear previous count */
INIT_COMPLETION(cfg->iface_disable);
#endif // endif
}
#ifdef CUSTOM_SET_CPUCORE
if (wl_get_chan_isvht80(ndev, dhdp)) {
if (ndev == bcmcfg_to_prmry_ndev(cfg))
dhdp->chan_isvht80 |= DHD_FLAG_STA_MODE; /* STA mode */
else if (is_p2p_group_iface(ndev->ieee80211_ptr))
dhdp->chan_isvht80 |= DHD_FLAG_P2P_MODE; /* p2p mode */
dhd_set_cpucore(dhdp, TRUE);
}
#endif /* CUSTOM_SET_CPUCORE */
#ifdef CUSTOM_LONG_RETRY_LIMIT
if (wl_set_retry(ndev, CUSTOM_LONG_RETRY_LIMIT, 1) < 0) {
WL_ERR(("CUSTOM_LONG_RETRY_LIMIT set fail!\n"));
}
#endif /* CUSTOM_LONG_RETRY_LIMIT */
#ifdef WL_IRQSET
dhd_irq_set_affinity(dhdp);
delta_time = IRQ_SET_DURATION - local_clock() / USEC_PER_SEC;
if (delta_time > 0) {
schedule_delayed_work(&cfg->irq_set_work,
msecs_to_jiffies((const unsigned int)delta_time));
}
#endif /* WL_IRQSET */
memset(&cfg->last_roamed_addr, 0, ETHER_ADDR_LEN);
}
if (completed && (wl_cfg80211_verify_bss(cfg, ndev, &bss) != true)) {
/* If bss entry is not available in the cfg80211 bss cache
* the wireless stack will complain and won't populate
* wdev->current_bss ptr
*/
WL_ERR(("BSS entry not found. Indicate assoc event failure\n"));
completed = false;
sec->auth_assoc_res_status = WLAN_STATUS_UNSPECIFIED_FAILURE;
}
#ifdef WL_FILS
if ((sec->auth_type == DOT11_FILS_SKEY_PFS)||(sec->auth_type == DOT11_FILS_SKEY)) {
wl_get_fils_connect_params(cfg, ndev);
fils_info = wl_to_fils_info(cfg);
ssid = (struct wlc_ssid *)wl_read_prof(cfg, ndev, WL_PROF_SSID);
wiphy = bcmcfg_to_wiphy(cfg);
resp_params.status = completed ? WLAN_STATUS_SUCCESS :
(sec->auth_assoc_res_status) ?
sec->auth_assoc_res_status :
WLAN_STATUS_UNSPECIFIED_FAILURE;
resp_params.bssid = curbssid;
resp_params.bss = CFG80211_GET_BSS(wiphy, NULL, curbssid,
ssid->SSID, ssid->SSID_len);
resp_params.req_ie = conn_info->req_ie;
resp_params.req_ie_len = conn_info->req_ie_len;
resp_params.resp_ie = conn_info->resp_ie;
resp_params.resp_ie_len = conn_info->resp_ie_len;
#ifdef WL_FILS_ROAM_OFFLD
resp_params.fils.kek = fils_info->fils_kek;
resp_params.fils.kek_len = fils_info->fils_kek_len;
resp_params.fils.update_erp_next_seq_num = true;
resp_params.fils.erp_next_seq_num = fils_info->fils_erp_next_seq_num;
resp_params.fils.pmk = fils_info->fils_pmk;
resp_params.fils.pmk_len = fils_info->fils_kek_len;
resp_params.fils.pmkid = fils_info->fils_pmkid;
#else
resp_params.fils_kek = fils_info->fils_kek;
resp_params.fils_kek_len = fils_info->fils_kek_len;
resp_params.update_erp_next_seq_num = true;
resp_params.fils_erp_next_seq_num = fils_info->fils_erp_next_seq_num;
resp_params.pmk = fils_info->fils_pmk;
resp_params.pmk_len = fils_info->fils_kek_len;
resp_params.pmkid = fils_info->fils_pmkid;
#endif /* WL_FILS_ROAM_OFFLD */
cfg80211_connect_done(ndev, &resp_params, GFP_KERNEL);
}
else
#endif /* WL_FILS */
{
CFG80211_CONNECT_RESULT(ndev,
curbssid,
bss,
conn_info->req_ie,
conn_info->req_ie_len,
conn_info->resp_ie,
conn_info->resp_ie_len,
completed ? WLAN_STATUS_SUCCESS :
(sec->auth_assoc_res_status) ?
sec->auth_assoc_res_status :
WLAN_STATUS_UNSPECIFIED_FAILURE,
GFP_KERNEL);
}
if (completed) {
WL_MSG(ndev->name, "Report connect result - "
"connection succeeded\n");
wl_cfg80211_check_in4way(cfg, ndev, 0, WL_EXT_STATUS_CONNECTED, NULL);
} else {
WL_ERR(("[%s] Report connect result - connection failed\n", ndev->name));
wl_cfg80211_check_in4way(cfg, ndev, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED,
WL_EXT_STATUS_DISCONNECTED, NULL);
}
} else {
WL_INFORM_MEM(("[%s] Ignore event:%d. drv status"
" connecting:%x. connected:%d\n",
ndev->name, event_type, wl_get_drv_status(cfg, CONNECTING, ndev),
wl_get_drv_status(cfg, CONNECTED, ndev)));
}
#ifdef CONFIG_TCPACK_FASTTX
if (wl_get_chan_isvht80(ndev, dhdp))
wldev_iovar_setint(ndev, "tcpack_fast_tx", 0);
else
wldev_iovar_setint(ndev, "tcpack_fast_tx", 1);
#endif /* CONFIG_TCPACK_FASTTX */
return err;
}
static s32
wl_notify_mic_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
struct net_device *ndev = NULL;
u16 flags = ntoh16(e->flags);
enum nl80211_key_type key_type;
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
WL_INFORM_MEM(("[%s] mic fail event - " MACDBG " \n",
ndev->name, MAC2STRDBG(e->addr.octet)));
mutex_lock(&cfg->usr_sync);
if (flags & WLC_EVENT_MSG_GROUP)
key_type = NL80211_KEYTYPE_GROUP;
else
key_type = NL80211_KEYTYPE_PAIRWISE;
wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL);
cfg80211_michael_mic_failure(ndev, (const u8 *)&e->addr, key_type, -1,
NULL, GFP_KERNEL);
mutex_unlock(&cfg->usr_sync);
return 0;
}
#ifdef BT_WIFI_HANDOVER
static s32
wl_notify_bt_wifi_handover_req(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
struct net_device *ndev = NULL;
u32 event = ntoh32(e->event_type);
u32 datalen = ntoh32(e->datalen);
s32 err;
WL_ERR(("wl_notify_bt_wifi_handover_req: event_type : %d, datalen : %d\n", event, datalen));
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
err = wl_genl_send_msg(ndev, event, data, (u16)datalen, 0, 0);
return err;
}
#endif /* BT_WIFI_HANDOVER */
#ifdef PNO_SUPPORT
static s32
wl_notify_pfn_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
struct net_device *ndev = NULL;
#ifdef GSCAN_SUPPORT
void *ptr;
int send_evt_bytes = 0;
u32 event = be32_to_cpu(e->event_type);
struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
#endif /* GSCAN_SUPPORT */
WL_INFORM_MEM((">>> PNO Event\n"));
if (!data) {
WL_ERR(("Data received is NULL!\n"));
return 0;
}
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
#ifdef GSCAN_SUPPORT
ptr = dhd_dev_process_epno_result(ndev, data, event, &send_evt_bytes);
if (ptr) {
wl_cfgvendor_send_async_event(wiphy, ndev,
GOOGLE_SCAN_EPNO_EVENT, ptr, send_evt_bytes);
MFREE(cfg->osh, ptr, send_evt_bytes);
}
if (!dhd_dev_is_legacy_pno_enabled(ndev))
return 0;
#endif /* GSCAN_SUPPORT */
#ifndef WL_SCHED_SCAN
mutex_lock(&cfg->usr_sync);
/* TODO: Use cfg80211_sched_scan_results(wiphy); */
CFG80211_DISCONNECTED(ndev, 0, NULL, 0, false, GFP_KERNEL);
mutex_unlock(&cfg->usr_sync);
#else
/* If cfg80211 scheduled scan is supported, report the pno results via sched
* scan results
*/
wl_notify_sched_scan_results(cfg, ndev, e, data);
#endif /* WL_SCHED_SCAN */
return 0;
}
#endif /* PNO_SUPPORT */
#ifdef GSCAN_SUPPORT
static s32
wl_notify_gscan_event(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
s32 err = 0;
u32 event = be32_to_cpu(e->event_type);
void *ptr = NULL;
int send_evt_bytes = 0;
int event_type;
struct net_device *ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
u32 len = ntoh32(e->datalen);
u32 buf_len = 0;
switch (event) {
case WLC_E_PFN_BEST_BATCHING:
err = dhd_dev_retrieve_batch_scan(ndev);
if (err < 0) {
WL_ERR(("Batch retrieval already in progress %d\n", err));
} else {
event_type = WIFI_SCAN_THRESHOLD_NUM_SCANS;
if (data && len) {
event_type = *((int *)data);
}
wl_cfgvendor_send_async_event(wiphy, ndev,
GOOGLE_GSCAN_BATCH_SCAN_EVENT,
&event_type, sizeof(int));
}
break;
case WLC_E_PFN_SCAN_COMPLETE:
event_type = WIFI_SCAN_COMPLETE;
wl_cfgvendor_send_async_event(wiphy, ndev,
GOOGLE_SCAN_COMPLETE_EVENT,
&event_type, sizeof(int));
break;
case WLC_E_PFN_BSSID_NET_FOUND:
ptr = dhd_dev_hotlist_scan_event(ndev, data, &send_evt_bytes,
HOTLIST_FOUND, &buf_len);
if (ptr) {
wl_cfgvendor_send_hotlist_event(wiphy, ndev,
ptr, send_evt_bytes, GOOGLE_GSCAN_GEOFENCE_FOUND_EVENT);
dhd_dev_gscan_hotlist_cache_cleanup(ndev, HOTLIST_FOUND);
} else {
err = -ENOMEM;
}
break;
case WLC_E_PFN_BSSID_NET_LOST:
/* WLC_E_PFN_BSSID_NET_LOST is conflict shared with WLC_E_PFN_SCAN_ALLGONE
* We currently do not use WLC_E_PFN_SCAN_ALLGONE, so if we get it, ignore
*/
if (len) {
ptr = dhd_dev_hotlist_scan_event(ndev, data, &send_evt_bytes,
HOTLIST_LOST, &buf_len);
if (ptr) {
wl_cfgvendor_send_hotlist_event(wiphy, ndev,
ptr, send_evt_bytes, GOOGLE_GSCAN_GEOFENCE_LOST_EVENT);
dhd_dev_gscan_hotlist_cache_cleanup(ndev, HOTLIST_LOST);
MFREE(cfg->osh, ptr, buf_len);
} else {
err = -ENOMEM;
}
} else {
err = -EINVAL;
}
break;
case WLC_E_PFN_GSCAN_FULL_RESULT:
ptr = dhd_dev_process_full_gscan_result(ndev, data, len, &send_evt_bytes);
if (ptr) {
wl_cfgvendor_send_async_event(wiphy, ndev,
GOOGLE_SCAN_FULL_RESULTS_EVENT, ptr, send_evt_bytes);
MFREE(cfg->osh, ptr, send_evt_bytes);
} else {
err = -ENOMEM;
}
break;
case WLC_E_PFN_SSID_EXT:
ptr = dhd_dev_process_epno_result(ndev, data, event, &send_evt_bytes);
if (ptr) {
wl_cfgvendor_send_async_event(wiphy, ndev,
GOOGLE_SCAN_EPNO_EVENT, ptr, send_evt_bytes);
MFREE(cfg->osh, ptr, send_evt_bytes);
} else {
err = -ENOMEM;
}
break;
default:
WL_ERR(("Unknown event %d\n", event));
break;
}
return err;
}
#endif /* GSCAN_SUPPORT */
static s32
wl_notify_scan_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
struct channel_info channel_inform;
struct wl_scan_results *bss_list;
struct net_device *ndev = NULL;
u32 len = WL_SCAN_BUF_MAX;
s32 err = 0;
unsigned long flags;
WL_DBG(("Enter \n"));
if (!wl_get_drv_status(cfg, SCANNING, ndev)) {
WL_DBG(("scan is not ready \n"));
return err;
}
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
mutex_lock(&cfg->usr_sync);
wl_clr_drv_status(cfg, SCANNING, ndev);
memset(&channel_inform, 0, sizeof(channel_inform));
err = wldev_ioctl_get(ndev, WLC_GET_CHANNEL, &channel_inform,
sizeof(channel_inform));
if (unlikely(err)) {
WL_ERR(("scan busy (%d)\n", err));
goto scan_done_out;
}
channel_inform.scan_channel = dtoh32(channel_inform.scan_channel);
if (unlikely(channel_inform.scan_channel)) {
WL_DBG(("channel_inform.scan_channel (%d)\n",
channel_inform.scan_channel));
}
cfg->bss_list = cfg->scan_results;
bss_list = cfg->bss_list;
memset(bss_list, 0, len);
bss_list->buflen = htod32(len);
err = wldev_ioctl_get(ndev, WLC_SCAN_RESULTS, bss_list, len);
if (unlikely(err) && unlikely(!cfg->scan_suppressed)) {
WL_ERR(("%s Scan_results error (%d)\n", ndev->name, err));
err = -EINVAL;
goto scan_done_out;
}
bss_list->buflen = dtoh32(bss_list->buflen);
bss_list->version = dtoh32(bss_list->version);
bss_list->count = dtoh32(bss_list->count);
err = wl_inform_bss(cfg);
scan_done_out:
del_timer_sync(&cfg->scan_timeout);
spin_lock_irqsave(&cfg->cfgdrv_lock, flags);
if (cfg->scan_request) {
wl_notify_scan_done(cfg, false);
cfg->scan_request = NULL;
}
spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags);
WL_DBG(("cfg80211_scan_done\n"));
mutex_unlock(&cfg->usr_sync);
return err;
}
static s32
wl_frame_get_mgmt(struct bcm_cfg80211 *cfg, u16 fc,
const struct ether_addr *da, const struct ether_addr *sa,
const struct ether_addr *bssid, u8 **pheader, u32 *body_len, u8 *pbody)
{
struct dot11_management_header *hdr;
u32 totlen = 0;
s32 err = 0;
u8 *offset;
u32 prebody_len = *body_len;
switch (fc) {
case FC_ASSOC_REQ:
/* capability , listen interval */
totlen = DOT11_ASSOC_REQ_FIXED_LEN;
*body_len += DOT11_ASSOC_REQ_FIXED_LEN;
break;
case FC_REASSOC_REQ:
/* capability, listen inteval, ap address */
totlen = DOT11_REASSOC_REQ_FIXED_LEN;
*body_len += DOT11_REASSOC_REQ_FIXED_LEN;
break;
}
totlen += DOT11_MGMT_HDR_LEN + prebody_len;
*pheader = (u8 *)MALLOCZ(cfg->osh, totlen);
if (*pheader == NULL) {
WL_ERR(("memory alloc failed \n"));
return -ENOMEM;
}
hdr = (struct dot11_management_header *) (*pheader);
hdr->fc = htol16(fc);
hdr->durid = 0;
hdr->seq = 0;
offset = (u8*)(hdr + 1) + (totlen - DOT11_MGMT_HDR_LEN - prebody_len);
bcopy((const char*)da, (u8*)&hdr->da, ETHER_ADDR_LEN);
bcopy((const char*)sa, (u8*)&hdr->sa, ETHER_ADDR_LEN);
bcopy((const char*)bssid, (u8*)&hdr->bssid, ETHER_ADDR_LEN);
if ((pbody != NULL) && prebody_len)
bcopy((const char*)pbody, offset, prebody_len);
*body_len = totlen;
return err;
}
#ifdef WL_CFG80211_GON_COLLISION
static void
wl_gon_req_collision(struct bcm_cfg80211 *cfg, wl_action_frame_t *tx_act_frm,
wifi_p2p_pub_act_frame_t *rx_act_frm, struct net_device *ndev,
struct ether_addr sa, struct ether_addr da)
{
if (cfg->afx_hdl->pending_tx_act_frm == NULL)
return;
if (tx_act_frm &&
wl_cfgp2p_is_pub_action(tx_act_frm->data, tx_act_frm->len)) {
wifi_p2p_pub_act_frame_t *pact_frm;
pact_frm = (wifi_p2p_pub_act_frame_t *)tx_act_frm->data;
if (!(pact_frm->subtype == P2P_PAF_GON_REQ &&
rx_act_frm->subtype == P2P_PAF_GON_REQ)) {
return;
}
}
WL_ERR((" GO NEGO Request COLLISION !!! \n"));
/* if sa(peer) addr is less than da(my) addr,
* my device will process peer's gon request and block to send my gon req.
*
* if not (sa addr > da addr),
* my device will process gon request and drop gon req of peer.
*/
if (memcmp(sa.octet, da.octet, ETHER_ADDR_LEN) < 0) {
/* block to send tx gon request */
cfg->block_gon_req_tx_count = BLOCK_GON_REQ_MAX_NUM;
WL_ERR((" block to send gon req tx !!!\n"));
/* if we are finding a common channel for sending af,
* do not scan more to block to send current gon req
*/
if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) {
wl_clr_drv_status(cfg, FINDING_COMMON_CHANNEL, ndev);
complete(&cfg->act_frm_scan);
}
} else {
/* drop gon request of peer to process gon request by my device. */
WL_ERR((" drop to receive gon req rx !!! \n"));
cfg->block_gon_req_rx_count = BLOCK_GON_REQ_MAX_NUM;
}
return;
}
#endif /* WL_CFG80211_GON_COLLISION */
void
wl_stop_wait_next_action_frame(struct bcm_cfg80211 *cfg, struct net_device *ndev, u8 bsscfgidx)
{
s32 err = 0;
if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) {
if (timer_pending(&cfg->p2p->listen_timer)) {
del_timer_sync(&cfg->p2p->listen_timer);
}
if (cfg->afx_hdl != NULL) {
if (cfg->afx_hdl->dev != NULL) {
wl_clr_drv_status(cfg, SCANNING, cfg->afx_hdl->dev);
wl_clr_drv_status(cfg, FINDING_COMMON_CHANNEL, cfg->afx_hdl->dev);
}
cfg->afx_hdl->peer_chan = WL_INVALID;
}
complete(&cfg->act_frm_scan);
WL_DBG(("*** Wake UP ** Working afx searching is cleared\n"));
} else if (wl_get_drv_status_all(cfg, SENDING_ACT_FRM)) {
if (!(wl_get_p2p_status(cfg, ACTION_TX_COMPLETED) ||
wl_get_p2p_status(cfg, ACTION_TX_NOACK)))
wl_set_p2p_status(cfg, ACTION_TX_COMPLETED);
WL_DBG(("*** Wake UP ** abort actframe iovar on bsscfxidx %d\n", bsscfgidx));
/* Scan engine is not used for sending action frames in the latest driver
* branches. actframe_abort is used in the latest driver branches
* instead of scan abort.
* If actframe_abort iovar succeeds, don't execute scan abort.
* If actframe_abort fails with unsupported error,
* execute scan abort (for backward copmatibility).
*/
if (cfg->af_sent_channel) {
err = wldev_iovar_setint_bsscfg(ndev, "actframe_abort", 1, bsscfgidx);
if (err < 0) {
if (err == BCME_UNSUPPORTED) {
wl_cfg80211_scan_abort(cfg);
} else {
WL_ERR(("actframe_abort failed. ret:%d\n", err));
}
}
}
}
#ifdef WL_CFG80211_SYNC_GON
else if (wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM_LISTEN)) {
WL_DBG(("*** Wake UP ** abort listen for next af frame\n"));
/* So abort scan to cancel listen */
wl_cfg80211_scan_abort(cfg);
}
#endif /* WL_CFG80211_SYNC_GON */
}
#if defined(WLTDLS)
bool wl_cfg80211_is_tdls_tunneled_frame(void *frame, u32 frame_len)
{
unsigned char *data;
if (frame == NULL) {
WL_ERR(("Invalid frame \n"));
return false;
}
if (frame_len < 5) {
WL_ERR(("Invalid frame length [%d] \n", frame_len));
return false;
}
data = frame;
if (!memcmp(data, TDLS_TUNNELED_PRB_REQ, 5) ||
!memcmp(data, TDLS_TUNNELED_PRB_RESP, 5)) {
WL_DBG(("TDLS Vendor Specific Received type\n"));
return true;
}
return false;
}
#endif /* WLTDLS */
int wl_cfg80211_get_ioctl_version(void)
{
return ioctl_version;
}
static s32
wl_notify_rx_mgmt_frame(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
struct ieee80211_supported_band *band;
struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
struct ether_addr da;
struct ether_addr bssid;
bool isfree = false;
s32 err = 0;
s32 freq;
struct net_device *ndev = NULL;
wifi_p2p_pub_act_frame_t *act_frm = NULL;
wifi_p2p_action_frame_t *p2p_act_frm = NULL;
wifi_p2psd_gas_pub_act_frame_t *sd_act_frm = NULL;
wl_event_rx_frame_data_t *rxframe;
u32 event;
u8 *mgmt_frame;
u8 bsscfgidx;
u32 mgmt_frame_len;
u16 channel;
#if defined(TDLS_MSG_ONLY_WFD) && defined(WLTDLS)
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
#endif /* BCMDONGLEHOST && TDLS_MSG_ONLY_WFD && WLTDLS */
if (ntoh32(e->datalen) < sizeof(wl_event_rx_frame_data_t)) {
WL_ERR(("wrong datalen:%d\n", ntoh32(e->datalen)));
return -EINVAL;
}
mgmt_frame_len = ntoh32(e->datalen) - sizeof(wl_event_rx_frame_data_t);
event = ntoh32(e->event_type);
bsscfgidx = e->bsscfgidx;
rxframe = (wl_event_rx_frame_data_t *)data;
if (!rxframe) {
WL_ERR(("rxframe: NULL\n"));
return -EINVAL;
}
channel = (ntoh16(rxframe->channel) & WL_CHANSPEC_CHAN_MASK);
memset(&bssid, 0, ETHER_ADDR_LEN);
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
if ((ndev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) &&
(event == WLC_E_PROBREQ_MSG)) {
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic push")
_Pragma("GCC diagnostic ignored \"-Wcast-qual\"")
#endif // endif
struct net_info *iter, *next;
for_each_ndev(cfg, iter, next) {
if (iter->ndev && iter->wdev &&
iter->wdev->iftype == NL80211_IFTYPE_AP) {
ndev = iter->ndev;
cfgdev = ndev_to_cfgdev(ndev);
break;
}
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic pop")
#endif // endif
}
if (channel <= CH_MAX_2G_CHANNEL)
band = wiphy->bands[IEEE80211_BAND_2GHZ];
else
band = wiphy->bands[IEEE80211_BAND_5GHZ];
if (!band) {
WL_ERR(("No valid band\n"));
return -EINVAL;
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS)
freq = ieee80211_channel_to_frequency(channel);
(void)band->band;
#else
freq = ieee80211_channel_to_frequency(channel, band->band);
#endif // endif
if (event == WLC_E_ACTION_FRAME_RX) {
u8 ioctl_buf[WLC_IOCTL_SMLEN];
if ((err = wldev_iovar_getbuf_bsscfg(ndev, "cur_etheraddr",
NULL, 0, ioctl_buf, sizeof(ioctl_buf), bsscfgidx,
NULL)) != BCME_OK) {
WL_ERR(("WLC_GET_CUR_ETHERADDR failed, error %d\n", err));
goto exit;
}
err = wldev_ioctl_get(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN);
if (err < 0)
WL_ERR(("WLC_GET_BSSID error %d\n", err));
memcpy(da.octet, ioctl_buf, ETHER_ADDR_LEN);
err = wl_frame_get_mgmt(cfg, FC_ACTION, &da, &e->addr, &bssid,
&mgmt_frame, &mgmt_frame_len,
(u8 *)((wl_event_rx_frame_data_t *)rxframe + 1));
if (err < 0) {
WL_ERR(("Error in receiving action frame len %d channel %d freq %d\n",
mgmt_frame_len, channel, freq));
goto exit;
}
isfree = true;
if (wl_cfgp2p_is_pub_action(&mgmt_frame[DOT11_MGMT_HDR_LEN],
mgmt_frame_len - DOT11_MGMT_HDR_LEN)) {
act_frm = (wifi_p2p_pub_act_frame_t *)
(&mgmt_frame[DOT11_MGMT_HDR_LEN]);
} else if (wl_cfgp2p_is_p2p_action(&mgmt_frame[DOT11_MGMT_HDR_LEN],
mgmt_frame_len - DOT11_MGMT_HDR_LEN)) {
p2p_act_frm = (wifi_p2p_action_frame_t *)
(&mgmt_frame[DOT11_MGMT_HDR_LEN]);
(void) p2p_act_frm;
} else if (wl_cfgp2p_is_gas_action(&mgmt_frame[DOT11_MGMT_HDR_LEN],
mgmt_frame_len - DOT11_MGMT_HDR_LEN)) {
sd_act_frm = (wifi_p2psd_gas_pub_act_frame_t *)
(&mgmt_frame[DOT11_MGMT_HDR_LEN]);
if (sd_act_frm && wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM)) {
if (cfg->next_af_subtype == sd_act_frm->action) {
WL_DBG(("We got a right next frame of SD!(%d)\n",
sd_act_frm->action));
wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, ndev);
/* Stop waiting for next AF. */
wl_stop_wait_next_action_frame(cfg, ndev, bsscfgidx);
}
}
(void) sd_act_frm;
#ifdef WLTDLS
} else if ((mgmt_frame[DOT11_MGMT_HDR_LEN] == TDLS_AF_CATEGORY) ||
(wl_cfg80211_is_tdls_tunneled_frame(
&mgmt_frame[DOT11_MGMT_HDR_LEN],
mgmt_frame_len - DOT11_MGMT_HDR_LEN))) {
if (mgmt_frame[DOT11_MGMT_HDR_LEN] == TDLS_AF_CATEGORY) {
WL_ERR((" TDLS Action Frame Received type = %d \n",
mgmt_frame[DOT11_MGMT_HDR_LEN + 1]));
}
#ifdef TDLS_MSG_ONLY_WFD
if (!dhdp->tdls_mode) {
WL_DBG((" TDLS Frame filtered \n"));
return 0;
}
#else
if (mgmt_frame[DOT11_MGMT_HDR_LEN + 1] == TDLS_ACTION_SETUP_RESP) {
cfg->tdls_mgmt_frame = mgmt_frame;
cfg->tdls_mgmt_frame_len = mgmt_frame_len;
cfg->tdls_mgmt_freq = freq;
return 0;
}
#endif /* TDLS_MSG_ONLY_WFD */
#endif /* WLTDLS */
#ifdef QOS_MAP_SET
} else if (mgmt_frame[DOT11_MGMT_HDR_LEN] == DOT11_ACTION_CAT_QOS) {
/* update QoS map set table */
bcm_tlv_t * qos_map_ie = NULL;
if ((qos_map_ie = bcm_parse_tlvs(&mgmt_frame[DOT11_MGMT_HDR_LEN],
mgmt_frame_len - DOT11_MGMT_HDR_LEN,
DOT11_MNG_QOS_MAP_ID)) != NULL) {
WL_DBG((" QoS map set IE found in QoS action frame\n"));
if (!cfg->up_table) {
cfg->up_table = (uint8 *)MALLOC(cfg->osh, UP_TABLE_MAX);
}
wl_set_up_table(cfg->up_table, qos_map_ie);
} else {
MFREE(cfg->osh, cfg->up_table, UP_TABLE_MAX);
cfg->up_table = NULL;
}
#endif /* QOS_MAP_SET */
} else {
/*
* if we got normal action frame and ndev is p2p0,
* we have to change ndev from p2p0 to wlan0
*/
if (cfg->next_af_subtype != P2P_PAF_SUBTYPE_INVALID) {
u8 action = 0;
if (wl_get_public_action(&mgmt_frame[DOT11_MGMT_HDR_LEN],
mgmt_frame_len - DOT11_MGMT_HDR_LEN, &action) != BCME_OK) {
WL_DBG(("Recived action is not public action frame\n"));
} else if (cfg->next_af_subtype == action) {
WL_DBG(("Recived action is the waiting action(%d)\n",
action));
wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, ndev);
/* Stop waiting for next AF. */
wl_stop_wait_next_action_frame(cfg, ndev, bsscfgidx);
}
}
}
if (act_frm) {
#ifdef WL_CFG80211_GON_COLLISION
if (act_frm->subtype == P2P_PAF_GON_REQ) {
wl_gon_req_collision(cfg,
&cfg->afx_hdl->pending_tx_act_frm->action_frame,
act_frm, ndev, e->addr, da);
if (cfg->block_gon_req_rx_count) {
WL_ERR(("drop frame GON Req Rx : count (%d)\n",
cfg->block_gon_req_rx_count));
cfg->block_gon_req_rx_count--;
goto exit;
}
} else if (act_frm->subtype == P2P_PAF_GON_CONF) {
/* if go formation done, clear it */
cfg->block_gon_req_tx_count = 0;
cfg->block_gon_req_rx_count = 0;
}
#endif /* WL_CFG80211_GON_COLLISION */
if (wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM)) {
if (cfg->next_af_subtype == act_frm->subtype) {
WL_DBG(("Abort wait for next frame, Recieved frame (%d) "
"Next action frame(%d)\n",
act_frm->subtype, cfg->next_af_subtype));
wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, ndev);
if (cfg->next_af_subtype == P2P_PAF_GON_CONF) {
OSL_SLEEP(20);
}
/* Stop waiting for next AF. */
wl_stop_wait_next_action_frame(cfg, ndev, bsscfgidx);
} else if ((cfg->next_af_subtype == P2P_PAF_GON_RSP) &&
(act_frm->subtype == P2P_PAF_GON_REQ)) {
/* If current received frame is GO NEG REQ and next
* expected frame is GO NEG RESP, do not send it up.
*/
WL_ERR(("GO Neg req received while waiting for RESP."
"Discard incoming frame\n"));
goto exit;
}
}
}
wl_cfgp2p_print_actframe(false, &mgmt_frame[DOT11_MGMT_HDR_LEN],
mgmt_frame_len - DOT11_MGMT_HDR_LEN, channel);
if (act_frm && (act_frm->subtype == P2P_PAF_GON_CONF)) {
WL_DBG(("P2P: GO_NEG_PHASE status cleared \n"));
wl_clr_p2p_status(cfg, GO_NEG_PHASE);
}
} else if (event == WLC_E_PROBREQ_MSG) {
/* Handle probe reqs frame
* WPS-AP certification 4.2.13
*/
struct parsed_ies prbreq_ies;
u32 prbreq_ie_len = 0;
bool pbc = 0;
WL_DBG((" Event WLC_E_PROBREQ_MSG received\n"));
mgmt_frame = (u8 *)(data);
mgmt_frame_len = ntoh32(e->datalen);
if (mgmt_frame_len < DOT11_MGMT_HDR_LEN) {
WL_ERR(("wrong datalen:%d\n", mgmt_frame_len));
return -EINVAL;
}
prbreq_ie_len = mgmt_frame_len - DOT11_MGMT_HDR_LEN;
/* Parse prob_req IEs */
if (wl_cfg80211_parse_ies(&mgmt_frame[DOT11_MGMT_HDR_LEN],
prbreq_ie_len, &prbreq_ies) < 0) {
WL_ERR(("Prob req get IEs failed\n"));
return 0;
}
if (prbreq_ies.wps_ie != NULL) {
wl_validate_wps_ie(
(const char *)prbreq_ies.wps_ie, prbreq_ies.wps_ie_len, &pbc);
WL_DBG((" wps_ie exist pbc = %d\n", pbc));
/* if pbc method, send prob_req mgmt frame to upper layer */
if (!pbc)
return 0;
} else
return 0;
} else {
mgmt_frame = (u8 *)((wl_event_rx_frame_data_t *)rxframe + 1);
/* wpa supplicant use probe request event for restarting another GON Req.
* but it makes GON Req repetition.
* so if src addr of prb req is same as my target device,
* do not send probe request event during sending action frame.
*/
if (event == WLC_E_P2P_PROBREQ_MSG) {
WL_DBG((" Event %s\n", (event == WLC_E_P2P_PROBREQ_MSG) ?
"WLC_E_P2P_PROBREQ_MSG":"WLC_E_PROBREQ_MSG"));
#ifdef WL_CFG80211_USE_PRB_REQ_FOR_AF_TX
if (WL_DRV_STATUS_SENDING_AF_FRM_EXT(cfg) &&
!memcmp(cfg->afx_hdl->tx_dst_addr.octet, e->addr.octet,
ETHER_ADDR_LEN)) {
if (cfg->afx_hdl->pending_tx_act_frm &&
wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) {
s32 channel = CHSPEC_CHANNEL(hton16(rxframe->channel));
WL_DBG(("PROBE REQUEST : Peer found, channel : %d\n",
channel));
cfg->afx_hdl->peer_chan = channel;
complete(&cfg->act_frm_scan);
}
}
#endif /* WL_CFG80211_USE_PRB_REQ_FOR_AF_TX */
/* Filter any P2P probe reqs arriving during the
* GO-NEG Phase
*/
if (cfg->p2p &&
#if defined(P2P_IE_MISSING_FIX)
cfg->p2p_prb_noti &&
#endif // endif
wl_get_p2p_status(cfg, GO_NEG_PHASE)) {
WL_DBG(("Filtering P2P probe_req while "
"being in GO-Neg state\n"));
return 0;
}
}
}
if (discover_cfgdev(cfgdev, cfg))
WL_DBG(("Rx Managment frame For P2P Discovery Interface \n"));
else
WL_DBG(("Rx Managment frame For Iface (%s) \n", ndev->name));
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0))
cfg80211_rx_mgmt(cfgdev, freq, 0, mgmt_frame, mgmt_frame_len, 0);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0))
cfg80211_rx_mgmt(cfgdev, freq, 0, mgmt_frame, mgmt_frame_len, 0, GFP_ATOMIC);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || \
defined(WL_COMPAT_WIRELESS)
cfg80211_rx_mgmt(cfgdev, freq, 0, mgmt_frame, mgmt_frame_len, GFP_ATOMIC);
#else
cfg80211_rx_mgmt(cfgdev, freq, mgmt_frame, mgmt_frame_len, GFP_ATOMIC);
#endif /* LINUX_VERSION >= VERSION(3, 18, 0) */
WL_DBG(("mgmt_frame_len (%d) , e->datalen (%d), channel (%d), freq (%d)\n",
mgmt_frame_len, ntoh32(e->datalen), channel, freq));
exit:
if (isfree) {
MFREE(cfg->osh, mgmt_frame, mgmt_frame_len);
}
return err;
}
#ifdef WL_SCHED_SCAN
/* If target scan is not reliable, set the below define to "1" to do a
* full escan
*/
#define FULL_ESCAN_ON_PFN_NET_FOUND 0
static s32
wl_notify_sched_scan_results(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const wl_event_msg_t *e, void *data)
{
wl_pfn_net_info_v1_t *netinfo, *pnetinfo;
wl_pfn_net_info_v2_t *netinfo_v2, *pnetinfo_v2;
struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
int err = 0;
struct cfg80211_scan_request *request = NULL;
struct cfg80211_ssid ssid[MAX_PFN_LIST_COUNT];
struct ieee80211_channel *channel = NULL;
int channel_req = 0;
int band = 0;
wl_pfn_scanresults_v1_t *pfn_result_v1 = (wl_pfn_scanresults_v1_t *)data;
wl_pfn_scanresults_v2_t *pfn_result_v2 = (wl_pfn_scanresults_v2_t *)data;
int n_pfn_results = 0;
log_conn_event_t *event_data = NULL;
tlv_log *tlv_data = NULL;
u32 alloc_len, tlv_len;
u32 payload_len;
WL_DBG(("Enter\n"));
/* These static asserts guarantee v1/v2 net_info and subnet_info are compatible
* in size and SSID offset, allowing v1 to be used below except for the results
* fields themselves (status, count, offset to netinfo).
*/
STATIC_ASSERT(sizeof(wl_pfn_net_info_v1_t) == sizeof(wl_pfn_net_info_v2_t));
STATIC_ASSERT(sizeof(wl_pfn_lnet_info_v1_t) == sizeof(wl_pfn_lnet_info_v2_t));
STATIC_ASSERT(sizeof(wl_pfn_subnet_info_v1_t) == sizeof(wl_pfn_subnet_info_v2_t));
STATIC_ASSERT(OFFSETOF(wl_pfn_subnet_info_v1_t, SSID) ==
OFFSETOF(wl_pfn_subnet_info_v2_t, u.SSID));
/* Extract the version-specific items */
if (pfn_result_v1->version == PFN_SCANRESULT_VERSION_V1) {
n_pfn_results = pfn_result_v1->count;
pnetinfo = pfn_result_v1->netinfo;
WL_INFORM_MEM(("PFN NET FOUND event. count:%d \n", n_pfn_results));
if (n_pfn_results > 0) {
int i;
if (n_pfn_results > MAX_PFN_LIST_COUNT)
n_pfn_results = MAX_PFN_LIST_COUNT;
memset(&ssid, 0x00, sizeof(ssid));
request = (struct cfg80211_scan_request *)MALLOCZ(cfg->osh,
sizeof(*request) + sizeof(*request->channels) * n_pfn_results);
channel = (struct ieee80211_channel *)MALLOCZ(cfg->osh,
(sizeof(struct ieee80211_channel) * n_pfn_results));
if (!request || !channel) {
WL_ERR(("No memory"));
err = -ENOMEM;
goto out_err;
}
request->wiphy = wiphy;
if (DBG_RING_ACTIVE(dhdp, DHD_EVENT_RING_ID)) {
alloc_len = sizeof(log_conn_event_t) + DOT11_MAX_SSID_LEN +
sizeof(uint16) + sizeof(int16);
event_data = (log_conn_event_t *)MALLOC(cfg->osh, alloc_len);
if (!event_data) {
WL_ERR(("%s: failed to allocate the log_conn_event_t with "
"length(%d)\n", __func__, alloc_len));
goto out_err;
}
tlv_len = 3 * sizeof(tlv_log);
event_data->tlvs = (tlv_log *)MALLOC(cfg->osh, tlv_len);
if (!event_data->tlvs) {
WL_ERR(("%s: failed to allocate the tlv_log with "
"length(%d)\n", __func__, tlv_len));
goto out_err;
}
}
for (i = 0; i < n_pfn_results; i++) {
netinfo = &pnetinfo[i];
if (!netinfo) {
WL_ERR(("Invalid netinfo ptr. index:%d", i));
err = -EINVAL;
goto out_err;
}
WL_PNO((">>> SSID:%s Channel:%d \n",
netinfo->pfnsubnet.SSID, netinfo->pfnsubnet.channel));
/* PFN result doesn't have all the info which are required by
* the supplicant. (For e.g IEs) Do a target Escan so that
* sched scan results are reported via wl_inform_single_bss in
* the required format. Escan does require the scan request in
* the form of cfg80211_scan_request. For timebeing, create
* cfg80211_scan_request one out of the received PNO event.
*/
ssid[i].ssid_len = MIN(DOT11_MAX_SSID_LEN,
netinfo->pfnsubnet.SSID_len);
memcpy(ssid[i].ssid, netinfo->pfnsubnet.SSID,
ssid[i].ssid_len);
request->n_ssids++;
channel_req = netinfo->pfnsubnet.channel;
band = (channel_req <= CH_MAX_2G_CHANNEL) ? NL80211_BAND_2GHZ
: NL80211_BAND_5GHZ;
channel[i].center_freq =
ieee80211_channel_to_frequency(channel_req, band);
channel[i].band = band;
channel[i].flags |= IEEE80211_CHAN_NO_HT40;
request->channels[i] = &channel[i];
request->n_channels++;
if (DBG_RING_ACTIVE(dhdp, DHD_EVENT_RING_ID)) {
payload_len = sizeof(log_conn_event_t);
event_data->event = WIFI_EVENT_DRIVER_PNO_NETWORK_FOUND;
tlv_data = event_data->tlvs;
/* ssid */
tlv_data->tag = WIFI_TAG_SSID;
tlv_data->len = netinfo->pfnsubnet.SSID_len;
memcpy(tlv_data->value, ssid[i].ssid, ssid[i].ssid_len);
payload_len += TLV_LOG_SIZE(tlv_data);
tlv_data = TLV_LOG_NEXT(tlv_data);
/* channel */
tlv_data->tag = WIFI_TAG_CHANNEL;
tlv_data->len = sizeof(uint16);
memcpy(tlv_data->value, &channel_req, sizeof(uint16));
payload_len += TLV_LOG_SIZE(tlv_data);
tlv_data = TLV_LOG_NEXT(tlv_data);
/* rssi */
tlv_data->tag = WIFI_TAG_RSSI;
tlv_data->len = sizeof(int16);
memcpy(tlv_data->value, &netinfo->RSSI, sizeof(int16));
payload_len += TLV_LOG_SIZE(tlv_data);
tlv_data = TLV_LOG_NEXT(tlv_data);
dhd_os_push_push_ring_data(dhdp, DHD_EVENT_RING_ID,
&event_data->event, payload_len);
}
}
/* assign parsed ssid array */
if (request->n_ssids)
request->ssids = &ssid[0];
if (wl_get_drv_status_all(cfg, SCANNING)) {
/* Abort any on-going scan */
wl_notify_escan_complete(cfg, ndev, true, true);
}
if (wl_get_p2p_status(cfg, DISCOVERY_ON)) {
WL_PNO((">>> P2P discovery was ON. Disabling it\n"));
err = wl_cfgp2p_discover_enable_search(cfg, false);
if (unlikely(err)) {
wl_clr_drv_status(cfg, SCANNING, ndev);
goto out_err;
}
p2p_scan(cfg) = false;
}
wl_set_drv_status(cfg, SCANNING, ndev);
#if FULL_ESCAN_ON_PFN_NET_FOUND
WL_PNO((">>> Doing Full ESCAN on PNO event\n"));
err = wl_do_escan(cfg, wiphy, ndev, NULL);
#else
WL_PNO((">>> Doing targeted ESCAN on PNO event\n"));
err = wl_do_escan(cfg, wiphy, ndev, request);
#endif // endif
if (err) {
wl_clr_drv_status(cfg, SCANNING, ndev);
goto out_err;
}
DBG_EVENT_LOG(dhdp, WIFI_EVENT_DRIVER_PNO_SCAN_REQUESTED);
cfg->sched_scan_running = TRUE;
}
else {
WL_ERR(("FALSE PNO Event. (pfn_count == 0) \n"));
}
} else if (pfn_result_v2->version == PFN_SCANRESULT_VERSION_V2) {
n_pfn_results = pfn_result_v2->count;
pnetinfo_v2 = (wl_pfn_net_info_v2_t *)pfn_result_v2->netinfo;
if (e->event_type == WLC_E_PFN_NET_LOST) {
WL_PNO(("Do Nothing %d\n", e->event_type));
return 0;
}
WL_INFORM_MEM(("PFN NET FOUND event. count:%d \n", n_pfn_results));
if (n_pfn_results > 0) {
int i;
if (n_pfn_results > MAX_PFN_LIST_COUNT)
n_pfn_results = MAX_PFN_LIST_COUNT;
memset(&ssid, 0x00, sizeof(ssid));
request = (struct cfg80211_scan_request *)MALLOCZ(cfg->osh,
sizeof(*request) + sizeof(*request->channels) * n_pfn_results);
channel = (struct ieee80211_channel *)MALLOCZ(cfg->osh,
(sizeof(struct ieee80211_channel) * n_pfn_results));
if (!request || !channel) {
WL_ERR(("No memory"));
err = -ENOMEM;
goto out_err;
}
request->wiphy = wiphy;
if (DBG_RING_ACTIVE(dhdp, DHD_EVENT_RING_ID)) {
alloc_len = sizeof(log_conn_event_t) + DOT11_MAX_SSID_LEN +
sizeof(uint16) + sizeof(int16);
event_data = (log_conn_event_t *)MALLOC(cfg->osh, alloc_len);
if (!event_data) {
WL_ERR(("%s: failed to allocate the log_conn_event_t with "
"length(%d)\n", __func__, alloc_len));
goto out_err;
}
tlv_len = 3 * sizeof(tlv_log);
event_data->tlvs = (tlv_log *)MALLOC(cfg->osh, tlv_len);
if (!event_data->tlvs) {
WL_ERR(("%s: failed to allocate the tlv_log with "
"length(%d)\n", __func__, tlv_len));
goto out_err;
}
}
for (i = 0; i < n_pfn_results; i++) {
netinfo_v2 = &pnetinfo_v2[i];
if (!netinfo_v2) {
WL_ERR(("Invalid netinfo ptr. index:%d", i));
err = -EINVAL;
goto out_err;
}
WL_PNO((">>> SSID:%s Channel:%d \n",
netinfo_v2->pfnsubnet.u.SSID,
netinfo_v2->pfnsubnet.channel));
/* PFN result doesn't have all the info which are required by the
* supplicant. (For e.g IEs) Do a target Escan so that sched scan
* results are reported via wl_inform_single_bss in the required
* format. Escan does require the scan request in the form of
* cfg80211_scan_request. For timebeing, create
* cfg80211_scan_request one out of the received PNO event.
*/
ssid[i].ssid_len = MIN(DOT11_MAX_SSID_LEN,
netinfo_v2->pfnsubnet.SSID_len);
memcpy(ssid[i].ssid, netinfo_v2->pfnsubnet.u.SSID,
ssid[i].ssid_len);
request->n_ssids++;
channel_req = netinfo_v2->pfnsubnet.channel;
band = (channel_req <= CH_MAX_2G_CHANNEL) ? NL80211_BAND_2GHZ
: NL80211_BAND_5GHZ;
channel[i].center_freq =
ieee80211_channel_to_frequency(channel_req, band);
channel[i].band = band;
channel[i].flags |= IEEE80211_CHAN_NO_HT40;
request->channels[i] = &channel[i];
request->n_channels++;
if (DBG_RING_ACTIVE(dhdp, DHD_EVENT_RING_ID)) {
payload_len = sizeof(log_conn_event_t);
event_data->event = WIFI_EVENT_DRIVER_PNO_NETWORK_FOUND;
tlv_data = event_data->tlvs;
/* ssid */
tlv_data->tag = WIFI_TAG_SSID;
tlv_data->len = netinfo_v2->pfnsubnet.SSID_len;
memcpy(tlv_data->value, ssid[i].ssid, ssid[i].ssid_len);
payload_len += TLV_LOG_SIZE(tlv_data);
tlv_data = TLV_LOG_NEXT(tlv_data);
/* channel */
tlv_data->tag = WIFI_TAG_CHANNEL;
tlv_data->len = sizeof(uint16);
memcpy(tlv_data->value, &channel_req, sizeof(uint16));
payload_len += TLV_LOG_SIZE(tlv_data);
tlv_data = TLV_LOG_NEXT(tlv_data);
/* rssi */
tlv_data->tag = WIFI_TAG_RSSI;
tlv_data->len = sizeof(int16);
memcpy(tlv_data->value, &netinfo_v2->RSSI, sizeof(int16));
payload_len += TLV_LOG_SIZE(tlv_data);
tlv_data = TLV_LOG_NEXT(tlv_data);
dhd_os_push_push_ring_data(dhdp, DHD_EVENT_RING_ID,
&event_data->event, payload_len);
}
}
/* assign parsed ssid array */
if (request->n_ssids)
request->ssids = &ssid[0];
if (wl_get_drv_status_all(cfg, SCANNING)) {
/* Abort any on-going scan */
wl_notify_escan_complete(cfg, ndev, true, true);
}
if (wl_get_p2p_status(cfg, DISCOVERY_ON)) {
WL_PNO((">>> P2P discovery was ON. Disabling it\n"));
err = wl_cfgp2p_discover_enable_search(cfg, false);
if (unlikely(err)) {
wl_clr_drv_status(cfg, SCANNING, ndev);
goto out_err;
}
p2p_scan(cfg) = false;
}
wl_set_drv_status(cfg, SCANNING, ndev);
#if FULL_ESCAN_ON_PFN_NET_FOUND
WL_PNO((">>> Doing Full ESCAN on PNO event\n"));
err = wl_do_escan(cfg, wiphy, ndev, NULL);
#else
WL_PNO((">>> Doing targeted ESCAN on PNO event\n"));
err = wl_do_escan(cfg, wiphy, ndev, request);
#endif // endif
if (err) {
wl_clr_drv_status(cfg, SCANNING, ndev);
goto out_err;
}
DBG_EVENT_LOG(dhdp, WIFI_EVENT_DRIVER_PNO_SCAN_REQUESTED);
cfg->sched_scan_running = TRUE;
}
else {
WL_ERR(("FALSE PNO Event. (pfn_count == 0) \n"));
}
} else {
WL_ERR(("Unsupported version %d, expected %d or %d\n", pfn_result_v1->version,
PFN_SCANRESULT_VERSION_V1, PFN_SCANRESULT_VERSION_V2));
return 0;
}
out_err:
if (request) {
MFREE(cfg->osh, request,
sizeof(*request) + sizeof(*request->channels) * n_pfn_results);
}
if (channel) {
MFREE(cfg->osh, channel,
(sizeof(struct ieee80211_channel) * n_pfn_results));
}
if (event_data) {
if (event_data->tlvs) {
MFREE(cfg->osh, event_data->tlvs, tlv_len);
}
MFREE(cfg->osh, event_data, alloc_len);
}
return err;
}
#endif /* WL_SCHED_SCAN */
static void wl_init_conf(struct wl_conf *conf)
{
WL_DBG(("Enter \n"));
conf->frag_threshold = (u32)-1;
conf->rts_threshold = (u32)-1;
conf->retry_short = (u32)-1;
conf->retry_long = (u32)-1;
conf->tx_power = -1;
}
static void wl_init_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev)
{
unsigned long flags;
struct wl_profile *profile = wl_get_profile_by_netdev(cfg, ndev);
spin_lock_irqsave(&cfg->cfgdrv_lock, flags);
memset(profile, 0, sizeof(struct wl_profile));
spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags);
}
static void wl_init_event_handler(struct bcm_cfg80211 *cfg)
{
memset(cfg->evt_handler, 0, sizeof(cfg->evt_handler));
cfg->evt_handler[WLC_E_SCAN_COMPLETE] = wl_notify_scan_status;
cfg->evt_handler[WLC_E_AUTH] = wl_notify_connect_status;
cfg->evt_handler[WLC_E_ASSOC] = wl_notify_connect_status;
cfg->evt_handler[WLC_E_LINK] = wl_notify_connect_status;
cfg->evt_handler[WLC_E_DEAUTH_IND] = wl_notify_connect_status;
cfg->evt_handler[WLC_E_DEAUTH] = wl_notify_connect_status;
cfg->evt_handler[WLC_E_DISASSOC_IND] = wl_notify_connect_status;
cfg->evt_handler[WLC_E_ASSOC_IND] = wl_notify_connect_status;
cfg->evt_handler[WLC_E_REASSOC_IND] = wl_notify_connect_status;
cfg->evt_handler[WLC_E_ROAM] = wl_notify_roaming_status;
cfg->evt_handler[WLC_E_MIC_ERROR] = wl_notify_mic_status;
cfg->evt_handler[WLC_E_SET_SSID] = wl_notify_connect_status;
cfg->evt_handler[WLC_E_ACTION_FRAME_RX] = wl_notify_rx_mgmt_frame;
cfg->evt_handler[WLC_E_PROBREQ_MSG] = wl_notify_rx_mgmt_frame;
cfg->evt_handler[WLC_E_P2P_PROBREQ_MSG] = wl_notify_rx_mgmt_frame;
cfg->evt_handler[WLC_E_P2P_DISC_LISTEN_COMPLETE] = wl_cfgp2p_listen_complete;
cfg->evt_handler[WLC_E_ACTION_FRAME_COMPLETE] = wl_cfgp2p_action_tx_complete;
cfg->evt_handler[WLC_E_ACTION_FRAME_OFF_CHAN_COMPLETE] = wl_cfgp2p_action_tx_complete;
cfg->evt_handler[WLC_E_JOIN] = wl_notify_connect_status;
cfg->evt_handler[WLC_E_START] = wl_notify_connect_status;
#ifdef PNO_SUPPORT
cfg->evt_handler[WLC_E_PFN_NET_FOUND] = wl_notify_pfn_status;
#endif /* PNO_SUPPORT */
#ifdef GSCAN_SUPPORT
cfg->evt_handler[WLC_E_PFN_BEST_BATCHING] = wl_notify_gscan_event;
cfg->evt_handler[WLC_E_PFN_SCAN_COMPLETE] = wl_notify_gscan_event;
cfg->evt_handler[WLC_E_PFN_GSCAN_FULL_RESULT] = wl_notify_gscan_event;
cfg->evt_handler[WLC_E_PFN_BSSID_NET_FOUND] = wl_notify_gscan_event;
cfg->evt_handler[WLC_E_PFN_BSSID_NET_LOST] = wl_notify_gscan_event;
cfg->evt_handler[WLC_E_PFN_SSID_EXT] = wl_notify_gscan_event;
cfg->evt_handler[WLC_E_GAS_FRAGMENT_RX] = wl_notify_gscan_event;
cfg->evt_handler[WLC_E_ROAM_EXP_EVENT] = wl_handle_roam_exp_event;
#endif /* GSCAN_SUPPORT */
#ifdef RSSI_MONITOR_SUPPORT
cfg->evt_handler[WLC_E_RSSI_LQM] = wl_handle_rssi_monitor_event;
#endif /* RSSI_MONITOR_SUPPORT */
#ifdef WLTDLS
cfg->evt_handler[WLC_E_TDLS_PEER_EVENT] = wl_tdls_event_handler;
#endif /* WLTDLS */
cfg->evt_handler[WLC_E_BSSID] = wl_notify_roaming_status;
#ifdef WL_RELMCAST
cfg->evt_handler[WLC_E_RMC_EVENT] = wl_notify_rmc_status;
#endif /* WL_RELMCAST */
#ifdef BT_WIFI_HANDOVER
cfg->evt_handler[WLC_E_BT_WIFI_HANDOVER_REQ] = wl_notify_bt_wifi_handover_req;
#endif // endif
#ifdef WL_NAN
cfg->evt_handler[WLC_E_NAN_CRITICAL] = wl_cfgnan_notify_nan_status;
cfg->evt_handler[WLC_E_NAN_NON_CRITICAL] = wl_cfgnan_notify_nan_status;
#endif /* WL_NAN */
cfg->evt_handler[WLC_E_CSA_COMPLETE_IND] = wl_csa_complete_ind;
cfg->evt_handler[WLC_E_AP_STARTED] = wl_ap_start_ind;
#ifdef CUSTOM_EVENT_PM_WAKE
cfg->evt_handler[WLC_E_EXCESS_PM_WAKE_EVENT] = wl_check_pmstatus;
#endif /* CUSTOM_EVENT_PM_WAKE */
#if defined(DHD_LOSSLESS_ROAMING) || defined(DBG_PKT_MON)
cfg->evt_handler[WLC_E_ROAM_PREP] = wl_notify_roam_prep_status;
#endif /* DHD_LOSSLESS_ROAMING || DBG_PKT_MON */
cfg->evt_handler[WLC_E_ROAM_START] = wl_notify_roam_start_status;
#ifdef WL_MBO
cfg->evt_handler[WLC_E_MBO] = wl_mbo_event_handler;
#endif /* WL_MBO */
}
#if defined(STATIC_WL_PRIV_STRUCT)
static int
wl_init_escan_result_buf(struct bcm_cfg80211 *cfg)
{
#ifdef DUAL_ESCAN_RESULT_BUFFER
cfg->escan_info.escan_buf[0] = DHD_OS_PREALLOC(cfg->pub,
DHD_PREALLOC_WIPHY_ESCAN0, ESCAN_BUF_SIZE);
if (cfg->escan_info.escan_buf[0] == NULL) {
WL_ERR(("Failed to alloc ESCAN_BUF0\n"));
return -ENOMEM;
}
cfg->escan_info.escan_buf[1] = DHD_OS_PREALLOC(cfg->pub,
DHD_PREALLOC_WIPHY_ESCAN1, ESCAN_BUF_SIZE);
if (cfg->escan_info.escan_buf[1] == NULL) {
WL_ERR(("Failed to alloc ESCAN_BUF1\n"));
return -ENOMEM;
}
bzero(cfg->escan_info.escan_buf[0], ESCAN_BUF_SIZE);
bzero(cfg->escan_info.escan_buf[1], ESCAN_BUF_SIZE);
cfg->escan_info.escan_type[0] = 0;
cfg->escan_info.escan_type[1] = 0;
#else
cfg->escan_info.escan_buf = DHD_OS_PREALLOC(cfg->pub,
DHD_PREALLOC_WIPHY_ESCAN0, ESCAN_BUF_SIZE);
if (cfg->escan_info.escan_buf == NULL) {
WL_ERR(("Failed to alloc ESCAN_BUF\n"));
return -ENOMEM;
}
bzero(cfg->escan_info.escan_buf, ESCAN_BUF_SIZE);
#endif /* DUAL_ESCAN_RESULT_BUFFER */
return 0;
}
static void
wl_deinit_escan_result_buf(struct bcm_cfg80211 *cfg)
{
#ifdef DUAL_ESCAN_RESULT_BUFFER
if (cfg->escan_info.escan_buf[0] != NULL) {
cfg->escan_info.escan_buf[0] = NULL;
cfg->escan_info.escan_type[0] = 0;
}
if (cfg->escan_info.escan_buf[1] != NULL) {
cfg->escan_info.escan_buf[1] = NULL;
cfg->escan_info.escan_type[1] = 0;
}
#else
if (cfg->escan_info.escan_buf != NULL) {
cfg->escan_info.escan_buf = NULL;
}
#endif /* DUAL_ESCAN_RESULT_BUFFER */
}
#endif /* STATIC_WL_PRIV_STRUCT */
static s32 wl_init_priv_mem(struct bcm_cfg80211 *cfg)
{
WL_DBG(("Enter \n"));
cfg->scan_results = (struct wl_scan_results *)MALLOCZ(cfg->osh,
WL_SCAN_BUF_MAX);
if (unlikely(!cfg->scan_results)) {
WL_ERR(("Scan results alloc failed\n"));
goto init_priv_mem_out;
}
cfg->conf = (struct wl_conf *)MALLOCZ(cfg->osh, sizeof(*cfg->conf));
if (unlikely(!cfg->conf)) {
WL_ERR(("wl_conf alloc failed\n"));
goto init_priv_mem_out;
}
cfg->scan_req_int = (void *)MALLOCZ(cfg->osh,
sizeof(*cfg->scan_req_int));
if (unlikely(!cfg->scan_req_int)) {
WL_ERR(("Scan req alloc failed\n"));
goto init_priv_mem_out;
}
cfg->ioctl_buf = (u8 *)MALLOCZ(cfg->osh, WLC_IOCTL_MAXLEN);
if (unlikely(!cfg->ioctl_buf)) {
WL_ERR(("Ioctl buf alloc failed\n"));
goto init_priv_mem_out;
}
cfg->escan_ioctl_buf = (void *)MALLOCZ(cfg->osh, WLC_IOCTL_MAXLEN);
if (unlikely(!cfg->escan_ioctl_buf)) {
WL_ERR(("Ioctl buf alloc failed\n"));
goto init_priv_mem_out;
}
cfg->extra_buf = (void *)MALLOCZ(cfg->osh, WL_EXTRA_BUF_MAX);
if (unlikely(!cfg->extra_buf)) {
WL_ERR(("Extra buf alloc failed\n"));
goto init_priv_mem_out;
}
cfg->pmk_list = (void *)MALLOCZ(cfg->osh, sizeof(*cfg->pmk_list));
if (unlikely(!cfg->pmk_list)) {
WL_ERR(("pmk list alloc failed\n"));
goto init_priv_mem_out;
}
#if defined(STATIC_WL_PRIV_STRUCT)
cfg->conn_info = (void *)MALLOCZ(cfg->osh, sizeof(*cfg->conn_info));
if (unlikely(!cfg->conn_info)) {
WL_ERR(("cfg->conn_info alloc failed\n"));
goto init_priv_mem_out;
}
cfg->ie = (void *)MALLOC(cfg->osh, sizeof(*cfg->ie));
if (unlikely(!cfg->ie)) {
WL_ERR(("cfg->ie alloc failed\n"));
goto init_priv_mem_out;
}
if (unlikely(wl_init_escan_result_buf(cfg))) {
WL_ERR(("Failed to init escan resul buf\n"));
goto init_priv_mem_out;
}
#endif /* STATIC_WL_PRIV_STRUCT */
cfg->afx_hdl = (void *)MALLOCZ(cfg->osh, sizeof(*cfg->afx_hdl));
if (unlikely(!cfg->afx_hdl)) {
WL_ERR(("afx hdl alloc failed\n"));
goto init_priv_mem_out;
} else {
init_completion(&cfg->act_frm_scan);
init_completion(&cfg->wait_next_af);
INIT_WORK(&cfg->afx_hdl->work, wl_cfg80211_afx_handler);
}
#ifdef WLTDLS
if (cfg->tdls_mgmt_frame) {
MFREE(cfg->osh, cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len);
cfg->tdls_mgmt_frame = NULL;
cfg->tdls_mgmt_frame_len = 0;
}
#endif /* WLTDLS */
return 0;
init_priv_mem_out:
wl_deinit_priv_mem(cfg);
return -ENOMEM;
}
static void wl_deinit_priv_mem(struct bcm_cfg80211 *cfg)
{
MFREE(cfg->osh, cfg->scan_results, WL_SCAN_BUF_MAX);
cfg->scan_results = NULL;
MFREE(cfg->osh, cfg->conf, sizeof(*cfg->conf));
cfg->conf = NULL;
MFREE(cfg->osh, cfg->scan_req_int, sizeof(*cfg->scan_req_int));
cfg->scan_req_int = NULL;
MFREE(cfg->osh, cfg->ioctl_buf, WLC_IOCTL_MAXLEN);
cfg->ioctl_buf = NULL;
MFREE(cfg->osh, cfg->escan_ioctl_buf, WLC_IOCTL_MAXLEN);
cfg->escan_ioctl_buf = NULL;
MFREE(cfg->osh, cfg->extra_buf, WL_EXTRA_BUF_MAX);
cfg->extra_buf = NULL;
MFREE(cfg->osh, cfg->pmk_list, sizeof(*cfg->pmk_list));
cfg->pmk_list = NULL;
#if defined(STATIC_WL_PRIV_STRUCT)
MFREE(cfg->osh, cfg->conn_info, sizeof(*cfg->conn_info));
cfg->conn_info = NULL;
MFREE(cfg->osh, cfg->ie, sizeof(*cfg->ie));
cfg->ie = NULL;
wl_deinit_escan_result_buf(cfg);
#endif /* STATIC_WL_PRIV_STRUCT */
if (cfg->afx_hdl) {
cancel_work_sync(&cfg->afx_hdl->work);
MFREE(cfg->osh, cfg->afx_hdl, sizeof(*cfg->afx_hdl));
cfg->afx_hdl = NULL;
}
}
static s32 wl_create_event_handler(struct bcm_cfg80211 *cfg)
{
int ret = 0;
WL_DBG(("Enter \n"));
/* Allocate workqueue for event */
if (!cfg->event_workq) {
cfg->event_workq = alloc_workqueue("dhd_eventd",
WQ_MEM_RECLAIM | WQ_HIGHPRI | WQ_UNBOUND, 1);
}
if (!cfg->event_workq) {
WL_ERR(("event_workq alloc_workqueue failed\n"));
ret = -ENOMEM;
} else {
INIT_WORK(&cfg->event_work, wl_event_handler);
}
return ret;
}
static void wl_destroy_event_handler(struct bcm_cfg80211 *cfg)
{
if (cfg && cfg->event_workq) {
cancel_work_sync(&cfg->event_work);
destroy_workqueue(cfg->event_workq);
cfg->event_workq = NULL;
}
}
void wl_terminate_event_handler(struct net_device *dev)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
if (cfg) {
wl_destroy_event_handler(cfg);
wl_flush_eq(cfg);
}
}
static void wl_scan_timeout(
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
struct timer_list *t
#else
unsigned long data
#endif
)
{
wl_event_msg_t msg;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
struct bcm_cfg80211 *cfg = from_timer(cfg, t, scan_timeout);
#else
struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)data;
#endif
struct wireless_dev *wdev = NULL;
struct net_device *ndev = NULL;
struct wl_scan_results *bss_list;
wl_bss_info_t *bi = NULL;
s32 i;
u32 channel;
u64 cur_time = OSL_SYSUPTIME_US();
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
#if 0
uint32 prev_memdump_mode = dhdp->memdump_enabled;
#endif /* DHD_DEBUG && DHD_FW_COREDUMP */
if (!(cfg->scan_request)) {
WL_ERR(("timer expired but no scan request\n"));
return;
}
WL_ERR(("***SCAN event timeout. WQ state:0x%x enq_time:%llu "
"deq_time:%llu evt_hdlr_entry_time:%llu evt_hdlr_exit_time:%llu "
"current_time:%llu\n",
work_busy(&cfg->event_work), cfg->scan_enq_time, cfg->wl_evt_deq_time,
cfg->wl_evt_hdlr_entry_time, cfg->wl_evt_hdlr_exit_time, cur_time));
if (cfg->scan_enq_time) {
WL_ERR(("Elapsed time: %llu\n", (cur_time - cfg->scan_enq_time)));
}
WL_ERR(("lock_states:[%d:%d:%d:%d:%d:%d]\n",
mutex_is_locked(&cfg->if_sync),
mutex_is_locked(&cfg->usr_sync),
mutex_is_locked(&cfg->pm_sync),
mutex_is_locked(&cfg->scan_complete),
spin_is_locked(&cfg->cfgdrv_lock),
spin_is_locked(&cfg->eq_lock)));
dhd_bus_intr_count_dump(dhdp);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)) && !defined(CONFIG_MODULES)
/* Print WQ states. Enable only for in-built drivers as the symbol is not exported */
show_workqueue_state();
#endif /* LINUX_VER >= 4.1 && !CONFIG_MODULES */
bss_list = wl_escan_get_buf(cfg, FALSE);
if (!bss_list) {
WL_ERR(("bss_list is null. Didn't receive any partial scan results\n"));
} else {
WL_ERR(("Dump scan buffer:\n"
"scanned AP count (%d)\n", bss_list->count));
bi = next_bss(bss_list, bi);
for_each_bss(bss_list, bi, i) {
channel = wf_chspec_ctlchan(wl_chspec_driver_to_host(bi->chanspec));
WL_ERR(("SSID :%s Channel :%d\n", bi->SSID, channel));
}
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0))
if (cfg->scan_request->dev)
wdev = cfg->scan_request->dev->ieee80211_ptr;
#else
wdev = cfg->scan_request->wdev;
#endif /* LINUX_VERSION < KERNEL_VERSION(3, 6, 0) */
if (!wdev) {
WL_ERR(("No wireless_dev present\n"));
return;
}
ndev = wdev_to_wlc_ndev(wdev, cfg);
bzero(&msg, sizeof(wl_event_msg_t));
WL_ERR(("timer expired\n"));
#if 0
if (dhdp->memdump_enabled) {
dhdp->memdump_enabled = DUMP_MEMFILE;
dhdp->memdump_type = DUMP_TYPE_SCAN_TIMEOUT;
dhd_bus_mem_dump(dhdp);
dhdp->memdump_enabled = prev_memdump_mode;
}
#endif /* DHD_DEBUG && DHD_FW_COREDUMP */
msg.event_type = hton32(WLC_E_ESCAN_RESULT);
msg.status = hton32(WLC_E_STATUS_TIMEOUT);
msg.reason = 0xFFFFFFFF;
wl_cfg80211_event(ndev, &msg, NULL);
}
#ifdef DHD_LOSSLESS_ROAMING
static void wl_del_roam_timeout(struct bcm_cfg80211 *cfg)
{
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
/* restore prec_map to ALLPRIO */
dhdp->dequeue_prec_map = ALLPRIO;
if (timer_pending(&cfg->roam_timeout)) {
del_timer_sync(&cfg->roam_timeout);
}
}
static void wl_roam_timeout(
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
struct timer_list *t
#else
unsigned long data
#endif
)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
struct bcm_cfg80211 *cfg = from_timer(cfg, t, roam_timeout);
#else
struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)data;
#endif
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
WL_ERR(("roam timer expired\n"));
/* restore prec_map to ALLPRIO */
dhdp->dequeue_prec_map = ALLPRIO;
}
#endif /* DHD_LOSSLESS_ROAMING */
static s32
wl_cfg80211_netdev_notifier_call(struct notifier_block * nb,
unsigned long state, void *ptr)
{
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0))
struct net_device *dev = ptr;
#else
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
#endif /* LINUX_VERSION < VERSION(3, 11, 0) */
struct wireless_dev *wdev = NULL;
struct bcm_cfg80211 *cfg = NULL;
WL_DBG(("Enter state:%lu ndev%p \n", state, dev));
if (!dev) {
WL_ERR(("dev null\n"));
return NOTIFY_DONE;
}
wdev = ndev_to_wdev(dev);
if (!wdev) {
WL_ERR(("wdev null. Do nothing\n"));
return NOTIFY_DONE;
}
cfg = (struct bcm_cfg80211 *)wiphy_priv(wdev->wiphy);
if (!cfg || (cfg != wl_cfg80211_get_bcmcfg())) {
/* If cfg80211 priv is null or doesn't match return */
WL_ERR(("wrong cfg ptr (%p)\n", cfg));
return NOTIFY_DONE;
}
if (dev == bcmcfg_to_prmry_ndev(cfg)) {
/* Nothing to be done for primary I/F */
return NOTIFY_DONE;
}
switch (state) {
case NETDEV_DOWN:
{
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0))
int max_wait_timeout = 2;
int max_wait_count = 100;
int refcnt = 0;
unsigned long limit = jiffies + max_wait_timeout * HZ;
while (work_pending(&wdev->cleanup_work)) {
if (refcnt%5 == 0) {
WL_ERR(("[NETDEV_DOWN] wait for "
"complete of cleanup_work"
" (%d th)\n", refcnt));
}
if (!time_before(jiffies, limit)) {
WL_ERR(("[NETDEV_DOWN] cleanup_work"
" of CFG80211 is not"
" completed in %d sec\n",
max_wait_timeout));
break;
}
if (refcnt >= max_wait_count) {
WL_ERR(("[NETDEV_DOWN] cleanup_work"
" of CFG80211 is not"
" completed in %d loop\n",
max_wait_count));
break;
}
set_current_state(TASK_INTERRUPTIBLE);
(void)schedule_timeout(100);
set_current_state(TASK_RUNNING);
refcnt++;
}
#endif /* LINUX_VERSION < VERSION(3, 14, 0) */
break;
}
case NETDEV_UNREGISTER:
wl_cfg80211_clear_per_bss_ies(cfg, wdev);
/* after calling list_del_rcu(&wdev->list) */
wl_dealloc_netinfo_by_wdev(cfg, wdev);
break;
case NETDEV_GOING_DOWN:
/*
* At NETDEV_DOWN state, wdev_cleanup_work work will be called.
* In front of door, the function checks whether current scan
* is working or not. If the scanning is still working,
* wdev_cleanup_work call WARN_ON and make the scan done forcibly.
*/
if (wl_get_drv_status(cfg, SCANNING, dev))
wl_notify_escan_complete(cfg, dev, true, true);
break;
}
return NOTIFY_DONE;
}
static struct notifier_block wl_cfg80211_netdev_notifier = {
.notifier_call = wl_cfg80211_netdev_notifier_call,
};
/*
* to make sure we won't register the same notifier twice, otherwise a loop is likely to be
* created in kernel notifier link list (with 'next' pointing to itself)
*/
static bool wl_cfg80211_netdev_notifier_registered = FALSE;
static void wl_cfg80211_cancel_scan(struct bcm_cfg80211 *cfg)
{
struct wireless_dev *wdev = NULL;
struct net_device *ndev = NULL;
if (!cfg->scan_request)
return;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0))
if (cfg->scan_request->dev)
wdev = cfg->scan_request->dev->ieee80211_ptr;
#else
wdev = cfg->scan_request->wdev;
#endif /* LINUX_VERSION < KERNEL_VERSION(3, 6, 0) */
if (!wdev) {
WL_ERR(("No wireless_dev present\n"));
return;
}
ndev = wdev_to_wlc_ndev(wdev, cfg);
wl_notify_escan_complete(cfg, ndev, true, true);
WL_INFORM_MEM(("Scan aborted! \n"));
}
void wl_cfg80211_scan_abort(struct bcm_cfg80211 *cfg)
{
wl_scan_params_t *params = NULL;
s32 params_size = 0;
s32 err = BCME_OK;
struct net_device *dev = bcmcfg_to_prmry_ndev(cfg);
if (!in_atomic()) {
/* Our scan params only need space for 1 channel and 0 ssids */
params = wl_cfg80211_scan_alloc_params(cfg, -1, 0, &params_size);
if (params == NULL) {
WL_ERR(("scan params allocation failed \n"));
err = -ENOMEM;
} else {
/* Do a scan abort to stop the driver's scan engine */
err = wldev_ioctl_set(dev, WLC_SCAN, params, params_size);
if (err < 0) {
/* scan abort can fail if there is no outstanding scan */
WL_DBG(("scan abort failed \n"));
}
MFREE(cfg->osh, params, params_size);
}
}
#ifdef WLTDLS
if (cfg->tdls_mgmt_frame) {
MFREE(cfg->osh, cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len);
cfg->tdls_mgmt_frame = NULL;
cfg->tdls_mgmt_frame_len = 0;
}
#endif /* WLTDLS */
}
static s32 wl_notify_escan_complete(struct bcm_cfg80211 *cfg,
struct net_device *ndev,
bool aborted, bool fw_abort)
{
s32 err = BCME_OK;
unsigned long flags;
struct net_device *dev;
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
WL_DBG(("Enter \n"));
BCM_REFERENCE(dhdp);
mutex_lock(&cfg->scan_complete);
if (!ndev) {
WL_ERR(("ndev is null\n"));
err = BCME_ERROR;
goto out;
}
if (cfg->escan_info.ndev != ndev) {
WL_ERR(("Outstanding scan req ndev not matching (%p:%p)\n",
cfg->escan_info.ndev, ndev));
err = BCME_ERROR;
goto out;
}
if (cfg->scan_request) {
dev = bcmcfg_to_prmry_ndev(cfg);
#if defined(WL_ENABLE_P2P_IF)
if (cfg->scan_request->dev != cfg->p2p_net)
dev = cfg->scan_request->dev;
#elif defined(WL_CFG80211_P2P_DEV_IF)
if (cfg->scan_request->wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
dev = cfg->scan_request->wdev->netdev;
#endif // endif
}
else {
WL_DBG(("cfg->scan_request is NULL. Internal scan scenario."
"doing scan_abort for ndev %p primary %p",
ndev, bcmcfg_to_prmry_ndev(cfg)));
dev = ndev;
}
if (fw_abort && !in_atomic())
wl_cfg80211_scan_abort(cfg);
if (timer_pending(&cfg->scan_timeout))
del_timer_sync(&cfg->scan_timeout);
cfg->scan_enq_time = 0;
#if defined(ESCAN_RESULT_PATCH)
if (likely(cfg->scan_request)) {
cfg->bss_list = wl_escan_get_buf(cfg, aborted);
wl_inform_bss(cfg);
}
#endif /* ESCAN_RESULT_PATCH */
spin_lock_irqsave(&cfg->cfgdrv_lock, flags);
#ifdef WL_SCHED_SCAN
if (cfg->sched_scan_req && !cfg->scan_request) {
if (!aborted) {
WL_INFORM_MEM(("[%s] Report sched scan done.\n", dev->name));
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0))
cfg80211_sched_scan_results(cfg->sched_scan_req->wiphy, 0);
#else
cfg80211_sched_scan_results(cfg->sched_scan_req->wiphy);
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) */
}
DBG_EVENT_LOG(dhdp, WIFI_EVENT_DRIVER_PNO_SCAN_COMPLETE);
cfg->sched_scan_running = FALSE;
}
#endif /* WL_SCHED_SCAN */
if (likely(cfg->scan_request)) {
WL_INFORM_MEM(("[%s] Report scan done.\n", dev->name));
wl_notify_scan_done(cfg, aborted);
cfg->scan_request = NULL;
}
if (p2p_is_on(cfg))
wl_clr_p2p_status(cfg, SCANNING);
wl_clr_drv_status(cfg, SCANNING, dev);
DHD_OS_SCAN_WAKE_UNLOCK((dhd_pub_t *)(cfg->pub));
DHD_ENABLE_RUNTIME_PM((dhd_pub_t *)(cfg->pub));
spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags);
out:
mutex_unlock(&cfg->scan_complete);
return err;
}
#ifdef ESCAN_BUF_OVERFLOW_MGMT
#ifndef WL_DRV_AVOID_SCANCACHE
static void
wl_cfg80211_find_removal_candidate(wl_bss_info_t *bss, removal_element_t *candidate)
{
int idx;
for (idx = 0; idx < BUF_OVERFLOW_MGMT_COUNT; idx++) {
int len = BUF_OVERFLOW_MGMT_COUNT - idx - 1;
if (bss->RSSI < candidate[idx].RSSI) {
if (len)
memcpy(&candidate[idx + 1], &candidate[idx],
sizeof(removal_element_t) * len);
candidate[idx].RSSI = bss->RSSI;
candidate[idx].length = bss->length;
memcpy(&candidate[idx].BSSID, &bss->BSSID, ETHER_ADDR_LEN);
return;
}
}
}
static void
wl_cfg80211_remove_lowRSSI_info(wl_scan_results_t *list, removal_element_t *candidate,
wl_bss_info_t *bi)
{
int idx1, idx2;
int total_delete_len = 0;
for (idx1 = 0; idx1 < BUF_OVERFLOW_MGMT_COUNT; idx1++) {
int cur_len = WL_SCAN_RESULTS_FIXED_SIZE;
wl_bss_info_t *bss = NULL;
if (candidate[idx1].RSSI >= bi->RSSI)
continue;
for (idx2 = 0; idx2 < list->count; idx2++) {
bss = bss ? (wl_bss_info_t *)((uintptr)bss + dtoh32(bss->length)) :
list->bss_info;
if (!bcmp(&candidate[idx1].BSSID, &bss->BSSID, ETHER_ADDR_LEN) &&
candidate[idx1].RSSI == bss->RSSI &&
candidate[idx1].length == dtoh32(bss->length)) {
u32 delete_len = dtoh32(bss->length);
WL_DBG(("delete scan info of " MACDBG " to add new AP\n",
MAC2STRDBG(bss->BSSID.octet)));
if (idx2 < list->count -1) {
memmove((u8 *)bss, (u8 *)bss + delete_len,
list->buflen - cur_len - delete_len);
}
list->buflen -= delete_len;
list->count--;
total_delete_len += delete_len;
/* if delete_len is greater than or equal to result length */
if (total_delete_len >= bi->length) {
return;
}
break;
}
cur_len += dtoh32(bss->length);
}
}
}
#endif /* WL_DRV_AVOID_SCANCACHE */
#endif /* ESCAN_BUF_OVERFLOW_MGMT */
#ifdef WL_DRV_AVOID_SCANCACHE
static u32 wl_p2p_find_peer_channel(struct bcm_cfg80211 *cfg, s32 status, wl_bss_info_t *bi,
u32 bi_length)
{
u32 ret;
u8 *p2p_dev_addr = NULL;
ret = wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL);
if (!ret) {
return ret;
}
if (status == WLC_E_STATUS_PARTIAL) {
p2p_dev_addr = wl_cfgp2p_retreive_p2p_dev_addr(bi, bi_length);
if (p2p_dev_addr && !memcmp(p2p_dev_addr,
cfg->afx_hdl->tx_dst_addr.octet, ETHER_ADDR_LEN)) {
s32 channel = wf_chspec_ctlchan(
wl_chspec_driver_to_host(bi->chanspec));
if ((channel > MAXCHANNEL) || (channel <= 0)) {
channel = WL_INVALID;
} else {
WL_ERR(("ACTION FRAME SCAN : Peer " MACDBG " found,"
" channel : %d\n",
MAC2STRDBG(cfg->afx_hdl->tx_dst_addr.octet),
channel));
}
wl_clr_p2p_status(cfg, SCANNING);
cfg->afx_hdl->peer_chan = channel;
complete(&cfg->act_frm_scan);
}
} else {
WL_INFORM_MEM(("ACTION FRAME SCAN DONE\n"));
wl_clr_p2p_status(cfg, SCANNING);
wl_clr_drv_status(cfg, SCANNING, cfg->afx_hdl->dev);
if (cfg->afx_hdl->peer_chan == WL_INVALID)
complete(&cfg->act_frm_scan);
}
return ret;
}
static s32 wl_escan_without_scan_cache(struct bcm_cfg80211 *cfg, wl_escan_result_t *escan_result,
struct net_device *ndev, const wl_event_msg_t *e, s32 status)
{
s32 err = BCME_OK;
wl_bss_info_t *bi;
u32 bi_length;
bool aborted = false;
bool fw_abort = false;
bool notify_escan_complete = false;
if (wl_escan_check_sync_id(status, escan_result->sync_id,
cfg->escan_info.cur_sync_id) < 0) {
goto exit;
}
wl_escan_print_sync_id(status, escan_result->sync_id,
cfg->escan_info.cur_sync_id);
if (!(status == WLC_E_STATUS_TIMEOUT) || !(status == WLC_E_STATUS_PARTIAL)) {
cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
}
if ((likely(cfg->scan_request)) || (cfg->sched_scan_running)) {
notify_escan_complete = true;
}
if (status == WLC_E_STATUS_PARTIAL) {
WL_DBG(("WLC_E_STATUS_PARTIAL \n"));
DBG_EVENT_LOG((dhd_pub_t *)cfg->pub, WIFI_EVENT_DRIVER_SCAN_RESULT_FOUND);
if ((!escan_result) || (dtoh16(escan_result->bss_count) != 1)) {
WL_ERR(("Invalid escan result (NULL pointer) or invalid bss_count\n"));
goto exit;
}
bi = escan_result->bss_info;
bi_length = dtoh32(bi->length);
if ((!bi) ||
(bi_length != (dtoh32(escan_result->buflen) - WL_ESCAN_RESULTS_FIXED_SIZE))) {
WL_ERR(("Invalid escan bss info (NULL pointer)"
"or invalid bss_info length\n"));
goto exit;
}
if (!(bcmcfg_to_wiphy(cfg)->interface_modes & BIT(NL80211_IFTYPE_ADHOC))) {
if (dtoh16(bi->capability) & DOT11_CAP_IBSS) {
WL_DBG(("Ignoring IBSS result\n"));
goto exit;
}
}
if (wl_p2p_find_peer_channel(cfg, status, bi, bi_length)) {
goto exit;
} else {
if (scan_req_match(cfg)) {
/* p2p scan && allow only probe response */
if ((cfg->p2p->search_state != WL_P2P_DISC_ST_SCAN) &&
(bi->flags & WL_BSS_FLAGS_FROM_BEACON))
goto exit;
}
#ifdef ROAM_CHANNEL_CACHE
add_roam_cache(cfg, bi);
#endif /* ROAM_CHANNEL_CACHE */
err = wl_inform_single_bss(cfg, bi, false);
#ifdef ROAM_CHANNEL_CACHE
/* print_roam_cache(); */
update_roam_cache(cfg, ioctl_version);
#endif /* ROAM_CHANNEL_CACHE */
/*
* !Broadcast && number of ssid = 1 && number of channels =1
* means specific scan to association
*/
if (wl_cfgp2p_is_p2p_specific_scan(cfg->scan_request)) {
WL_ERR(("P2P assoc scan fast aborted.\n"));
aborted = false;
fw_abort = true;
}
/* Directly exit from function here and
* avoid sending notify completion to cfg80211
*/
goto exit;
}
} else if (status == WLC_E_STATUS_SUCCESS) {
if (wl_p2p_find_peer_channel(cfg, status, NULL, 0)) {
goto exit;
}
WL_INFORM_MEM(("ESCAN COMPLETED\n"));
DBG_EVENT_LOG((dhd_pub_t *)cfg->pub, WIFI_EVENT_DRIVER_SCAN_COMPLETE);
/* Update escan complete status */
aborted = false;
fw_abort = false;
} else if ((status == WLC_E_STATUS_ABORT) || (status == WLC_E_STATUS_NEWSCAN) ||
#ifdef BCMCCX
(status == WLC_E_STATUS_CCXFASTRM) ||
#endif /* BCMCCX */
(status == WLC_E_STATUS_11HQUIET) || (status == WLC_E_STATUS_CS_ABORT) ||
(status == WLC_E_STATUS_NEWASSOC)) {
/* Handle all cases of scan abort */
WL_DBG(("ESCAN ABORT reason: %d\n", status));
if (wl_p2p_find_peer_channel(cfg, status, NULL, 0)) {
goto exit;
}
WL_INFORM_MEM(("ESCAN ABORTED\n"));
/* Update escan complete status */
aborted = true;
fw_abort = false;
} else if (status == WLC_E_STATUS_TIMEOUT) {
WL_ERR(("WLC_E_STATUS_TIMEOUT : scan_request[%p]\n", cfg->scan_request));
WL_ERR(("reason[0x%x]\n", e->reason));
if (e->reason == 0xFFFFFFFF) {
/* Update escan complete status */
aborted = true;
fw_abort = true;
}
} else {
WL_ERR(("unexpected Escan Event %d : abort\n", status));
if (wl_p2p_find_peer_channel(cfg, status, NULL, 0)) {
goto exit;
}
/* Update escan complete status */
aborted = true;
fw_abort = false;
}
/* Notify escan complete status */
if (notify_escan_complete) {
wl_notify_escan_complete(cfg, ndev, aborted, fw_abort);
}
exit:
return err;
}
#endif /* WL_DRV_AVOID_SCANCACHE */
#ifdef WL_BCNRECV
/* Beacon recv results handler sending to upper layer */
static s32
wl_bcnrecv_result_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
wl_bss_info_v109_2_t *bi, uint32 scan_status)
{
s32 err = BCME_OK;
struct wiphy *wiphy = NULL;
wl_bcnrecv_result_t *bcn_recv = NULL;
struct timespec ts;
if (!bi) {
WL_ERR(("%s: bi is NULL\n", __func__));
err = BCME_NORESOURCE;
goto exit;
}
if ((bi->length - bi->ie_length) < sizeof(wl_bss_info_v109_2_t)) {
WL_ERR(("bi info version doesn't support bcn_recv attributes\n"));
goto exit;
}
if (scan_status == WLC_E_STATUS_RXBCN) {
wiphy = cfg->wdev->wiphy;
if (!wiphy) {
WL_ERR(("wiphy is NULL\n"));
err = BCME_NORESOURCE;
goto exit;
}
bcn_recv = (wl_bcnrecv_result_t *)MALLOCZ(cfg->osh, sizeof(*bcn_recv));
if (unlikely(!bcn_recv)) {
WL_ERR(("Failed to allocate memory\n"));
return -ENOMEM;
}
memcpy((char *)bcn_recv->SSID, (char *)bi->SSID, DOT11_MAX_SSID_LEN);
memcpy(&bcn_recv->BSSID, &bi->BSSID, ETH_ALEN);
bcn_recv->channel = bi->chanspec;
bcn_recv->beacon_interval = bi->beacon_period;
/* kernal timestamp */
get_monotonic_boottime(&ts);
bcn_recv->system_time = ((u64)ts.tv_sec*1000000)
+ ts.tv_nsec / 1000;
bcn_recv->timestamp[0] = bi->timestamp[0];
bcn_recv->timestamp[1] = bi->timestamp[1];
if (bcn_recv) {
/* sending an req info to upper layer */
wl_cfgvendor_send_async_event(wiphy, bcmcfg_to_prmry_ndev(cfg),
BRCM_VENDOR_EVENT_BEACON_RECV, bcn_recv, sizeof(*bcn_recv));
}
} else {
WL_DBG(("Ignoring Escan Event:%d \n", scan_status));
}
exit:
if (bcn_recv) {
MFREE(cfg->osh, bcn_recv, sizeof(*bcn_recv));
}
return err;
}
#endif /* WL_BCNRECV */
static s32 wl_escan_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
s32 err = BCME_OK;
s32 status = ntoh32(e->status);
wl_escan_result_t *escan_result;
struct net_device *ndev = NULL;
#ifndef WL_DRV_AVOID_SCANCACHE
wl_bss_info_t *bi;
u32 bi_length;
const wifi_p2p_ie_t * p2p_ie;
const u8 *p2p_dev_addr = NULL;
wl_scan_results_t *list;
wl_bss_info_t *bss = NULL;
u32 i;
#endif /* WL_DRV_AVOID_SCANCACHE */
u16 channel;
struct ieee80211_supported_band *band;
WL_DBG((" enter event type : %d, status : %d \n",
ntoh32(e->event_type), ntoh32(e->status)));
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
mutex_lock(&cfg->usr_sync);
/* P2P SCAN is coming from primary interface */
if (wl_get_p2p_status(cfg, SCANNING)) {
if (wl_get_drv_status_all(cfg, SENDING_ACT_FRM))
ndev = cfg->afx_hdl->dev;
else
ndev = cfg->escan_info.ndev;
}
escan_result = (wl_escan_result_t *)data;
#ifdef WL_BCNRECV
if (cfg->bcnrecv_info.bcnrecv_state == BEACON_RECV_STARTED) {
/* handle beacon recv scan results */
wl_bss_info_v109_2_t *bi_info;
bi_info = (wl_bss_info_v109_2_t *)escan_result->bss_info;
err = wl_bcnrecv_result_handler(cfg, cfgdev, bi_info, status);
goto exit;
}
#endif /* WL_BCNRECV */
if (!ndev || (!wl_get_drv_status(cfg, SCANNING, ndev) && !cfg->sched_scan_running)) {
WL_ERR_RLMT(("escan is not ready. ndev:%p drv_scan_status 0x%x"
" e_type %d e_states %d\n",
ndev, wl_get_drv_status(cfg, SCANNING, ndev),
ntoh32(e->event_type), ntoh32(e->status)));
goto exit;
}
#ifndef WL_DRV_AVOID_SCANCACHE
if (status == WLC_E_STATUS_PARTIAL) {
WL_DBG(("WLC_E_STATUS_PARTIAL \n"));
DBG_EVENT_LOG((dhd_pub_t *)cfg->pub, WIFI_EVENT_DRIVER_SCAN_RESULT_FOUND);
if (!escan_result) {
WL_ERR(("Invalid escan result (NULL pointer)\n"));
goto exit;
}
if ((dtoh32(escan_result->buflen) > (int)ESCAN_BUF_SIZE) ||
(dtoh32(escan_result->buflen) < sizeof(wl_escan_result_t))) {
WL_ERR(("Invalid escan buffer len:%d\n", dtoh32(escan_result->buflen)));
goto exit;
}
if (dtoh16(escan_result->bss_count) != 1) {
WL_ERR(("Invalid bss_count %d: ignoring\n", escan_result->bss_count));
goto exit;
}
bi = escan_result->bss_info;
if (!bi) {
WL_ERR(("Invalid escan bss info (NULL pointer)\n"));
goto exit;
}
bi_length = dtoh32(bi->length);
if (bi_length != (dtoh32(escan_result->buflen) - WL_ESCAN_RESULTS_FIXED_SIZE)) {
WL_ERR(("Invalid bss_info length %d: ignoring\n", bi_length));
goto exit;
}
/* +++++ terence 20130524: skip invalid bss */
channel =
bi->ctl_ch ? bi->ctl_ch : CHSPEC_CHANNEL(wl_chspec_driver_to_host(bi->chanspec));
if (channel <= CH_MAX_2G_CHANNEL)
band = bcmcfg_to_wiphy(cfg)->bands[IEEE80211_BAND_2GHZ];
else
band = bcmcfg_to_wiphy(cfg)->bands[IEEE80211_BAND_5GHZ];
if (!band) {
WL_ERR(("No valid band\n"));
goto exit;
}
if (!dhd_conf_match_channel(cfg->pub, channel))
goto exit;
/* ----- terence 20130524: skip invalid bss */
if (wl_escan_check_sync_id(status, escan_result->sync_id,
cfg->escan_info.cur_sync_id) < 0)
goto exit;
if (!(bcmcfg_to_wiphy(cfg)->interface_modes & BIT(NL80211_IFTYPE_ADHOC))) {
if (dtoh16(bi->capability) & DOT11_CAP_IBSS) {
WL_DBG(("Ignoring IBSS result\n"));
goto exit;
}
}
if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) {
p2p_dev_addr = wl_cfgp2p_retreive_p2p_dev_addr(bi, bi_length);
if (p2p_dev_addr && !memcmp(p2p_dev_addr,
cfg->afx_hdl->tx_dst_addr.octet, ETHER_ADDR_LEN)) {
s32 channel = wf_chspec_ctlchan(
wl_chspec_driver_to_host(bi->chanspec));
if ((channel > MAXCHANNEL) || (channel <= 0))
channel = WL_INVALID;
else
WL_ERR(("ACTION FRAME SCAN : Peer " MACDBG " found,"
" channel : %d\n",
MAC2STRDBG(cfg->afx_hdl->tx_dst_addr.octet),
channel));
wl_clr_p2p_status(cfg, SCANNING);
cfg->afx_hdl->peer_chan = channel;
complete(&cfg->act_frm_scan);
goto exit;
}
} else {
int cur_len = WL_SCAN_RESULTS_FIXED_SIZE;
#ifdef ESCAN_BUF_OVERFLOW_MGMT
removal_element_t candidate[BUF_OVERFLOW_MGMT_COUNT];
int remove_lower_rssi = FALSE;
bzero(candidate, sizeof(removal_element_t)*BUF_OVERFLOW_MGMT_COUNT);
#endif /* ESCAN_BUF_OVERFLOW_MGMT */
list = wl_escan_get_buf(cfg, FALSE);
if (scan_req_match(cfg)) {
#ifdef WL_HOST_BAND_MGMT
s32 channel_band = 0;
chanspec_t chspec;
#endif /* WL_HOST_BAND_MGMT */
/* p2p scan && allow only probe response */
if ((cfg->p2p->search_state != WL_P2P_DISC_ST_SCAN) &&
(bi->flags & WL_BSS_FLAGS_FROM_BEACON))
goto exit;
if ((p2p_ie = wl_cfgp2p_find_p2pie(((u8 *) bi) + bi->ie_offset,
bi->ie_length)) == NULL) {
WL_ERR(("Couldn't find P2PIE in probe"
" response/beacon\n"));
goto exit;
}
#ifdef WL_HOST_BAND_MGMT
chspec = wl_chspec_driver_to_host(bi->chanspec);
channel_band = CHSPEC2WLC_BAND(chspec);
if ((cfg->curr_band == WLC_BAND_5G) &&
(channel_band == WLC_BAND_2G)) {
/* Avoid sending the GO results in band conflict */
if (wl_cfgp2p_retreive_p2pattrib(p2p_ie,
P2P_SEID_GROUP_ID) != NULL)
goto exit;
}
#endif /* WL_HOST_BAND_MGMT */
}
#ifdef ESCAN_BUF_OVERFLOW_MGMT
if (bi_length > ESCAN_BUF_SIZE - list->buflen)
remove_lower_rssi = TRUE;
#endif /* ESCAN_BUF_OVERFLOW_MGMT */
WL_SCAN(("%s("MACDBG") RSSI %d flags 0x%x length %d\n", bi->SSID,
MAC2STRDBG(bi->BSSID.octet), bi->RSSI, bi->flags, bi->length));
for (i = 0; i < list->count; i++) {
bss = bss ? (wl_bss_info_t *)((uintptr)bss + dtoh32(bss->length))
: list->bss_info;
if (!bss) {
WL_ERR(("bss is NULL\n"));
goto exit;
}
#ifdef ESCAN_BUF_OVERFLOW_MGMT
WL_SCAN(("%s("MACDBG"), i=%d bss: RSSI %d list->count %d\n",
bss->SSID, MAC2STRDBG(bss->BSSID.octet),
i, bss->RSSI, list->count));
if (remove_lower_rssi)
wl_cfg80211_find_removal_candidate(bss, candidate);
#endif /* ESCAN_BUF_OVERFLOW_MGMT */
if (!bcmp(&bi->BSSID, &bss->BSSID, ETHER_ADDR_LEN) &&
(CHSPEC_BAND(wl_chspec_driver_to_host(bi->chanspec))
== CHSPEC_BAND(wl_chspec_driver_to_host(bss->chanspec))) &&
bi->SSID_len == bss->SSID_len &&
!bcmp(bi->SSID, bss->SSID, bi->SSID_len)) {
/* do not allow beacon data to update
*the data recd from a probe response
*/
if (!(bss->flags & WL_BSS_FLAGS_FROM_BEACON) &&
(bi->flags & WL_BSS_FLAGS_FROM_BEACON))
goto exit;
WL_SCAN(("%s("MACDBG"), i=%d prev: RSSI %d"
" flags 0x%x, new: RSSI %d flags 0x%x\n",
bss->SSID, MAC2STRDBG(bi->BSSID.octet), i,
bss->RSSI, bss->flags, bi->RSSI, bi->flags));
if ((bss->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL) ==
(bi->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL)) {
/* preserve max RSSI if the measurements are
* both on-channel or both off-channel
*/
WL_SCAN(("%s("MACDBG"), same onchan"
", RSSI: prev %d new %d\n",
bss->SSID, MAC2STRDBG(bi->BSSID.octet),
bss->RSSI, bi->RSSI));
bi->RSSI = MAX(bss->RSSI, bi->RSSI);
} else if ((bss->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL) &&
(bi->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL) == 0) {
/* preserve the on-channel rssi measurement
* if the new measurement is off channel
*/
WL_SCAN(("%s("MACDBG"), prev onchan"
", RSSI: prev %d new %d\n",
bss->SSID, MAC2STRDBG(bi->BSSID.octet),
bss->RSSI, bi->RSSI));
bi->RSSI = bss->RSSI;
bi->flags |= WL_BSS_FLAGS_RSSI_ONCHANNEL;
}
if (dtoh32(bss->length) != bi_length) {
u32 prev_len = dtoh32(bss->length);
WL_SCAN(("bss info replacement"
" is occured(bcast:%d->probresp%d)\n",
bss->ie_length, bi->ie_length));
WL_SCAN(("%s("MACDBG"), replacement!(%d -> %d)\n",
bss->SSID, MAC2STRDBG(bi->BSSID.octet),
prev_len, bi_length));
if (list->buflen - prev_len + bi_length
> ESCAN_BUF_SIZE) {
WL_ERR(("Buffer is too small: keep the"
" previous result of this AP\n"));
/* Only update RSSI */
bss->RSSI = bi->RSSI;
bss->flags |= (bi->flags
& WL_BSS_FLAGS_RSSI_ONCHANNEL);
goto exit;
}
if (i < list->count - 1) {
/* memory copy required by this case only */
memmove((u8 *)bss + bi_length,
(u8 *)bss + prev_len,
list->buflen - cur_len - prev_len);
}
list->buflen -= prev_len;
list->buflen += bi_length;
}
list->version = dtoh32(bi->version);
memcpy((u8 *)bss, (u8 *)bi, bi_length);
goto exit;
}
cur_len += dtoh32(bss->length);
}
if (bi_length > ESCAN_BUF_SIZE - list->buflen) {
#ifdef ESCAN_BUF_OVERFLOW_MGMT
wl_cfg80211_remove_lowRSSI_info(list, candidate, bi);
if (bi_length > ESCAN_BUF_SIZE - list->buflen) {
WL_DBG(("RSSI(" MACDBG ") is too low(%d) to add Buffer\n",
MAC2STRDBG(bi->BSSID.octet), bi->RSSI));
goto exit;
}
#else
WL_ERR(("Buffer is too small: ignoring\n"));
goto exit;
#endif /* ESCAN_BUF_OVERFLOW_MGMT */
}
memcpy(&(((char *)list)[list->buflen]), bi, bi_length);
list->version = dtoh32(bi->version);
list->buflen += bi_length;
list->count++;
/*
* !Broadcast && number of ssid = 1 && number of channels =1
* means specific scan to association
*/
if (wl_cfgp2p_is_p2p_specific_scan(cfg->scan_request)) {
WL_ERR(("P2P assoc scan fast aborted.\n"));
wl_notify_escan_complete(cfg, cfg->escan_info.ndev, false, true);
goto exit;
}
}
}
else if (status == WLC_E_STATUS_SUCCESS) {
cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
wl_escan_print_sync_id(status, cfg->escan_info.cur_sync_id,
escan_result->sync_id);
if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) {
WL_DBG(("ACTION FRAME SCAN DONE\n"));
wl_clr_p2p_status(cfg, SCANNING);
wl_clr_drv_status(cfg, SCANNING, cfg->afx_hdl->dev);
if (cfg->afx_hdl->peer_chan == WL_INVALID)
complete(&cfg->act_frm_scan);
} else if ((likely(cfg->scan_request)) || (cfg->sched_scan_running)) {
WL_SCAN(("ESCAN COMPLETED\n"));
DBG_EVENT_LOG((dhd_pub_t *)cfg->pub, WIFI_EVENT_DRIVER_SCAN_COMPLETE);
cfg->bss_list = wl_escan_get_buf(cfg, FALSE);
if (!scan_req_match(cfg)) {
WL_MSG(ndev->name, "SCAN COMPLETED: scanned AP count=%d\n",
cfg->bss_list->count);
}
wl_inform_bss(cfg);
wl_notify_escan_complete(cfg, ndev, false, false);
}
wl_escan_increment_sync_id(cfg, SCAN_BUF_NEXT);
} else if ((status == WLC_E_STATUS_ABORT) || (status == WLC_E_STATUS_NEWSCAN) ||
#ifdef BCMCCX
(status == WLC_E_STATUS_CCXFASTRM) ||
#endif /* BCMCCX */
(status == WLC_E_STATUS_11HQUIET) || (status == WLC_E_STATUS_CS_ABORT) ||
(status == WLC_E_STATUS_NEWASSOC)) {
/* Dump FW preserve buffer content */
if (status == WLC_E_STATUS_ABORT) {
wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL);
}
/* Handle all cases of scan abort */
cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
wl_escan_print_sync_id(status, escan_result->sync_id,
cfg->escan_info.cur_sync_id);
WL_DBG(("ESCAN ABORT reason: %d\n", status));
if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) {
WL_DBG(("ACTION FRAME SCAN DONE\n"));
wl_clr_drv_status(cfg, SCANNING, cfg->afx_hdl->dev);
wl_clr_p2p_status(cfg, SCANNING);
if (cfg->afx_hdl->peer_chan == WL_INVALID)
complete(&cfg->act_frm_scan);
} else if ((likely(cfg->scan_request)) || (cfg->sched_scan_running)) {
WL_INFORM_MEM(("ESCAN ABORTED\n"));
cfg->bss_list = wl_escan_get_buf(cfg, TRUE);
if (!scan_req_match(cfg)) {
WL_TRACE_HW4(("SCAN ABORTED: scanned AP count=%d\n",
cfg->bss_list->count));
}
#ifdef DUAL_ESCAN_RESULT_BUFFER
if (escan_result->sync_id != cfg->escan_info.cur_sync_id) {
/* If sync_id is not matching, then the abort might have
* come for the old scan req or for the in-driver initiated
* scan. So do abort for scan_req for which sync_id is
* matching.
*/
WL_INFORM_MEM(("sync_id mismatch (%d != %d). "
"Ignore the scan abort event.\n",
escan_result->sync_id, cfg->escan_info.cur_sync_id));
goto exit;
} else {
/* sync id is matching, abort the scan */
WL_INFORM_MEM(("scan aborted for sync_id: %d \n",
cfg->escan_info.cur_sync_id));
wl_inform_bss(cfg);
wl_notify_escan_complete(cfg, ndev, true, false);
}
#else
wl_inform_bss(cfg);
wl_notify_escan_complete(cfg, ndev, true, false);
#endif /* DUAL_ESCAN_RESULT_BUFFER */
} else {
/* If there is no pending host initiated scan, do nothing */
WL_DBG(("ESCAN ABORT: No pending scans. Ignoring event.\n"));
}
wl_escan_increment_sync_id(cfg, SCAN_BUF_CNT);
} else if (status == WLC_E_STATUS_TIMEOUT) {
WL_ERR(("WLC_E_STATUS_TIMEOUT : scan_request[%p]\n", cfg->scan_request));
WL_ERR(("reason[0x%x]\n", e->reason));
if (e->reason == 0xFFFFFFFF) {
wl_notify_escan_complete(cfg, cfg->escan_info.ndev, true, true);
}
} else {
WL_ERR(("unexpected Escan Event %d : abort\n", status));
cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
wl_escan_print_sync_id(status, escan_result->sync_id,
cfg->escan_info.cur_sync_id);
if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) {
WL_DBG(("ACTION FRAME SCAN DONE\n"));
wl_clr_p2p_status(cfg, SCANNING);
wl_clr_drv_status(cfg, SCANNING, cfg->afx_hdl->dev);
if (cfg->afx_hdl->peer_chan == WL_INVALID)
complete(&cfg->act_frm_scan);
} else if ((likely(cfg->scan_request)) || (cfg->sched_scan_running)) {
cfg->bss_list = wl_escan_get_buf(cfg, TRUE);
if (!scan_req_match(cfg)) {
WL_TRACE_HW4(("SCAN ABORTED(UNEXPECTED): "
"scanned AP count=%d\n",
cfg->bss_list->count));
}
wl_inform_bss(cfg);
wl_notify_escan_complete(cfg, ndev, true, false);
}
wl_escan_increment_sync_id(cfg, 2);
}
#else /* WL_DRV_AVOID_SCANCACHE */
err = wl_escan_without_scan_cache(cfg, escan_result, ndev, e, status);
#endif /* WL_DRV_AVOID_SCANCACHE */
exit:
mutex_unlock(&cfg->usr_sync);
return err;
}
static void wl_cfg80211_concurrent_roam(struct bcm_cfg80211 *cfg, int enable)
{
u32 connected_cnt = wl_get_drv_status_all(cfg, CONNECTED);
bool p2p_connected = wl_cfgp2p_vif_created(cfg);
struct net_info *iter, *next;
if (!(cfg->roam_flags & WL_ROAM_OFF_ON_CONCURRENT))
return;
WL_DBG(("roam off:%d p2p_connected:%d connected_cnt:%d \n",
enable, p2p_connected, connected_cnt));
/* Disable FW roam when we have a concurrent P2P connection */
if (enable && p2p_connected && connected_cnt > 1) {
/* Mark it as to be reverted */
cfg->roam_flags |= WL_ROAM_REVERT_STATUS;
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic push")
_Pragma("GCC diagnostic ignored \"-Wcast-qual\"")
#endif // endif
for_each_ndev(cfg, iter, next) {
if (iter->ndev && iter->wdev &&
iter->wdev->iftype == NL80211_IFTYPE_STATION) {
if (wldev_iovar_setint(iter->ndev, "roam_off", TRUE)
== BCME_OK) {
iter->roam_off = TRUE;
}
else {
WL_ERR(("error to enable roam_off\n"));
}
}
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic pop")
#endif // endif
}
else if (!enable && (cfg->roam_flags & WL_ROAM_REVERT_STATUS)) {
cfg->roam_flags &= ~WL_ROAM_REVERT_STATUS;
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic push")
_Pragma("GCC diagnostic ignored \"-Wcast-qual\"")
#endif // endif
for_each_ndev(cfg, iter, next) {
if (iter->ndev && iter->wdev &&
iter->wdev->iftype == NL80211_IFTYPE_STATION) {
if (iter->roam_off != WL_INVALID) {
if (wldev_iovar_setint(iter->ndev, "roam_off", FALSE)
== BCME_OK) {
iter->roam_off = FALSE;
}
else {
WL_ERR(("error to disable roam_off\n"));
}
}
}
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic pop")
#endif // endif
}
return;
}
static void wl_cfg80211_determine_vsdb_mode(struct bcm_cfg80211 *cfg)
{
struct net_info *iter, *next;
u32 ctl_chan = 0;
u32 chanspec = 0;
u32 pre_ctl_chan = 0;
u32 connected_cnt = wl_get_drv_status_all(cfg, CONNECTED);
cfg->vsdb_mode = false;
if (connected_cnt <= 1) {
return;
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic push")
_Pragma("GCC diagnostic ignored \"-Wcast-qual\"")
#endif // endif
for_each_ndev(cfg, iter, next) {
/* p2p discovery iface ndev could be null */
if (iter->ndev) {
chanspec = 0;
ctl_chan = 0;
if (wl_get_drv_status(cfg, CONNECTED, iter->ndev)) {
if (wldev_iovar_getint(iter->ndev, "chanspec",
(s32 *)&chanspec) == BCME_OK) {
chanspec = wl_chspec_driver_to_host(chanspec);
ctl_chan = wf_chspec_ctlchan(chanspec);
wl_update_prof(cfg, iter->ndev, NULL,
&ctl_chan, WL_PROF_CHAN);
}
if (!cfg->vsdb_mode) {
if (!pre_ctl_chan && ctl_chan)
pre_ctl_chan = ctl_chan;
else if (pre_ctl_chan && (pre_ctl_chan != ctl_chan)) {
cfg->vsdb_mode = true;
}
}
}
}
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic pop")
#endif // endif
WL_MSG("wlan", "%s concurrency is enabled\n", cfg->vsdb_mode ? "Multi Channel" : "Same Channel");
return;
}
int
wl_cfg80211_determine_p2p_rsdb_mode(struct bcm_cfg80211 *cfg)
{
struct net_info *iter, *next;
u32 chanspec = 0;
u32 band = 0;
u32 pre_band = 0;
bool is_rsdb_supported = FALSE;
bool rsdb_mode = FALSE;
is_rsdb_supported = DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_RSDB_MODE);
if (!is_rsdb_supported) {
return 0;
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic push")
_Pragma("GCC diagnostic ignored \"-Wcast-qual\"")
#endif // endif
for_each_ndev(cfg, iter, next) {
/* p2p discovery iface ndev could be null */
if (iter->ndev) {
chanspec = 0;
band = 0;
if (wl_get_drv_status(cfg, CONNECTED, iter->ndev)) {
if (wldev_iovar_getint(iter->ndev, "chanspec",
(s32 *)&chanspec) == BCME_OK) {
chanspec = wl_chspec_driver_to_host(chanspec);
band = CHSPEC_BAND(chanspec);
}
if (!pre_band && band) {
pre_band = band;
} else if (pre_band && (pre_band != band)) {
rsdb_mode = TRUE;
}
}
}
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic pop")
#endif // endif
WL_DBG(("RSDB mode is %s\n", rsdb_mode ? "enabled" : "disabled"));
return rsdb_mode;
}
static s32 wl_notifier_change_state(struct bcm_cfg80211 *cfg, struct net_info *_net_info,
enum wl_status state, bool set)
{
s32 pm = PM_FAST;
s32 err = BCME_OK;
u32 mode;
u32 chan = 0;
struct net_device *primary_dev = bcmcfg_to_prmry_ndev(cfg);
dhd_pub_t *dhd = cfg->pub;
#ifdef RTT_SUPPORT
rtt_status_info_t *rtt_status;
#endif /* RTT_SUPPORT */
if (dhd->busstate == DHD_BUS_DOWN) {
WL_ERR(("%s : busstate is DHD_BUS_DOWN!\n", __FUNCTION__));
return 0;
}
WL_DBG(("Enter state %d set %d _net_info->pm_restore %d iface %s\n",
state, set, _net_info->pm_restore, _net_info->ndev->name));
if (state != WL_STATUS_CONNECTED)
return 0;
mode = wl_get_mode_by_netdev(cfg, _net_info->ndev);
if (set) {
wl_cfg80211_concurrent_roam(cfg, 1);
wl_cfg80211_determine_vsdb_mode(cfg);
if (mode == WL_MODE_AP) {
if (wl_add_remove_eventmsg(primary_dev, WLC_E_P2P_PROBREQ_MSG, false))
WL_ERR((" failed to unset WLC_E_P2P_PROPREQ_MSG\n"));
}
pm = PM_OFF;
if ((err = wldev_ioctl_set(_net_info->ndev, WLC_SET_PM, &pm,
sizeof(pm))) != 0) {
if (err == -ENODEV)
WL_DBG(("%s:netdev not ready\n",
_net_info->ndev->name));
else
WL_ERR(("%s:error (%d)\n",
_net_info->ndev->name, err));
wl_cfg80211_update_power_mode(_net_info->ndev);
}
wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_SHORT);
#if defined(WLTDLS)
if (wl_cfg80211_is_concurrent_mode(primary_dev)) {
err = wldev_iovar_setint(primary_dev, "tdls_enable", 0);
}
#endif /* defined(WLTDLS) */
#ifdef DISABLE_FRAMEBURST_VSDB
if (!DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_HOSTAP_MODE) &&
wl_cfg80211_is_concurrent_mode(primary_dev) &&
!wl_cfg80211_determine_p2p_rsdb_mode(cfg)) {
wl_cfg80211_set_frameburst(cfg, FALSE);
}
#endif /* DISABLE_FRAMEBURST_VSDB */
#ifdef DISABLE_WL_FRAMEBURST_SOFTAP
if (DHD_OPMODE_STA_SOFTAP_CONCURR(dhd)) {
/* Enable frameburst for
* STA/SoftAP concurrent mode
*/
wl_cfg80211_set_frameburst(cfg, TRUE);
}
#endif /* DISABLE_WL_FRAMEBURST_SOFTAP */
} else { /* clear */
chan = 0;
/* clear chan information when the net device is disconnected */
wl_update_prof(cfg, _net_info->ndev, NULL, &chan, WL_PROF_CHAN);
wl_cfg80211_determine_vsdb_mode(cfg);
if (primary_dev == _net_info->ndev) {
pm = PM_FAST;
#ifdef RTT_SUPPORT
rtt_status = GET_RTTSTATE(dhd);
if (rtt_status->status != RTT_ENABLED) {
#endif /* RTT_SUPPORT */
if (dhd_conf_get_pm(dhd) >= 0)
pm = dhd_conf_get_pm(dhd);
if ((err = wldev_ioctl_set(_net_info->ndev, WLC_SET_PM, &pm,
sizeof(pm))) != 0) {
if (err == -ENODEV)
WL_DBG(("%s:netdev not ready\n",
_net_info->ndev->name));
else
WL_ERR(("%s:error (%d)\n",
_net_info->ndev->name, err));
wl_cfg80211_update_power_mode(_net_info->ndev);
}
#ifdef RTT_SUPPORT
}
#endif /* RTT_SUPPORT */
}
wl_cfg80211_concurrent_roam(cfg, 0);
#if defined(WLTDLS)
if (!wl_cfg80211_is_concurrent_mode(primary_dev)) {
err = wldev_iovar_setint(primary_dev, "tdls_enable", 1);
}
#endif /* defined(WLTDLS) */
#if defined(DISABLE_FRAMEBURST_VSDB)
if (!DHD_OPMODE_SUPPORTED(cfg->pub, DHD_FLAG_HOSTAP_MODE)) {
wl_cfg80211_set_frameburst(cfg, TRUE);
}
#endif /* DISABLE_FRAMEBURST_VSDB */
#ifdef DISABLE_WL_FRAMEBURST_SOFTAP
if (DHD_OPMODE_STA_SOFTAP_CONCURR(dhd) &&
(cfg->ap_oper_channel <= CH_MAX_2G_CHANNEL)) {
/* Disable frameburst for stand-alone 2GHz SoftAP */
wl_cfg80211_set_frameburst(cfg, FALSE);
}
#endif /* DISABLE_WL_FRAMEBURST_SOFTAP */
}
return err;
}
static s32 wl_init_scan(struct bcm_cfg80211 *cfg)
{
int err = 0;
cfg->evt_handler[WLC_E_ESCAN_RESULT] = wl_escan_handler;
cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
wl_escan_init_sync_id(cfg);
/* Init scan_timeout timer */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
timer_setup(&cfg->scan_timeout, wl_scan_timeout, 0);
#else
init_timer(&cfg->scan_timeout);
cfg->scan_timeout.data = (unsigned long) cfg;
cfg->scan_timeout.function = wl_scan_timeout;
#endif
return err;
}
#ifdef DHD_LOSSLESS_ROAMING
static s32 wl_init_roam_timeout(struct bcm_cfg80211 *cfg)
{
int err = 0;
/* Init roam timer */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0)
timer_setup(&cfg->roam_timeout, wl_roam_timeout, 0);
#else
init_timer(&cfg->roam_timeout);
cfg->roam_timeout.data = (unsigned long) cfg;
cfg->roam_timeout.function = wl_roam_timeout;
#endif
return err;
}
#endif /* DHD_LOSSLESS_ROAMING */
static s32 wl_init_priv(struct bcm_cfg80211 *cfg)
{
struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
s32 err = 0;
cfg->scan_request = NULL;
cfg->pwr_save = !!(wiphy->flags & WIPHY_FLAG_PS_ON_BY_DEFAULT);
#ifdef DISABLE_BUILTIN_ROAM
cfg->roam_on = false;
#else
cfg->roam_on = true;
#endif /* DISABLE_BUILTIN_ROAM */
cfg->active_scan = true;
cfg->rf_blocked = false;
cfg->vsdb_mode = false;
#if defined(BCMSDIO) || defined(BCMDBUS)
cfg->wlfc_on = false;
#endif /* BCMSDIO || BCMDBUS */
cfg->roam_flags |= WL_ROAM_OFF_ON_CONCURRENT;
cfg->disable_roam_event = false;
/* register interested state */
set_bit(WL_STATUS_CONNECTED, &cfg->interrested_state);
spin_lock_init(&cfg->cfgdrv_lock);
mutex_init(&cfg->ioctl_buf_sync);
init_waitqueue_head(&cfg->netif_change_event);
init_waitqueue_head(&cfg->wps_done_event);
init_completion(&cfg->send_af_done);
init_completion(&cfg->iface_disable);
mutex_init(&cfg->usr_sync);
mutex_init(&cfg->event_sync);
mutex_init(&cfg->scan_complete);
mutex_init(&cfg->if_sync);
mutex_init(&cfg->pm_sync);
mutex_init(&cfg->in4way_sync);
#ifdef WLTDLS
mutex_init(&cfg->tdls_sync);
#endif /* WLTDLS */
#ifdef WL_BCNRECV
mutex_init(&cfg->bcn_sync);
#endif /* WL_BCNRECV */
#ifdef WL_WPS_SYNC
wl_init_wps_reauth_sm(cfg);
#endif /* WL_WPS_SYNC */
wl_init_eq(cfg);
err = wl_init_priv_mem(cfg);
if (err)
return err;
if (wl_create_event_handler(cfg))
return -ENOMEM;
wl_init_event_handler(cfg);
err = wl_init_scan(cfg);
if (err)
return err;
#ifdef DHD_LOSSLESS_ROAMING
err = wl_init_roam_timeout(cfg);
if (err) {
return err;
}
#endif /* DHD_LOSSLESS_ROAMING */
wl_init_conf(cfg->conf);
wl_init_prof(cfg, ndev);
wl_link_down(cfg);
DNGL_FUNC(dhd_cfg80211_init, (cfg));
#ifdef WL_NAN
cfg->nan_dp_state = NAN_DP_STATE_DISABLED;
init_waitqueue_head(&cfg->ndp_if_change_event);
#endif /* WL_NAN */
#ifdef WL_NAN
mutex_init(&cfg->nancfg.nan_sync);
init_waitqueue_head(&cfg->nancfg.nan_event_wait);
#endif /* WL_NAN */
cfg->pmk_list->pmkids.length = sizeof(pmkid_list_v2_t) - sizeof(pmkid_v2_t);
cfg->pmk_list->pmkids.version = PMKID_LIST_VER_2;
return err;
}
static void wl_deinit_priv(struct bcm_cfg80211 *cfg)
{
DNGL_FUNC(dhd_cfg80211_deinit, (cfg));
wl_destroy_event_handler(cfg);
wl_flush_eq(cfg);
wl_link_down(cfg);
if (cfg->scan_timeout.function)
del_timer_sync(&cfg->scan_timeout);
#ifdef DHD_LOSSLESS_ROAMING
if (cfg->roam_timeout.function)
del_timer_sync(&cfg->roam_timeout);
#endif // endif
wl_deinit_priv_mem(cfg);
if (wl_cfg80211_netdev_notifier_registered) {
wl_cfg80211_netdev_notifier_registered = FALSE;
unregister_netdevice_notifier(&wl_cfg80211_netdev_notifier);
}
}
#if defined(WL_ENABLE_P2P_IF)
static s32 wl_cfg80211_attach_p2p(struct bcm_cfg80211 *cfg)
{
WL_TRACE(("Enter \n"));
if (wl_cfgp2p_register_ndev(cfg) < 0) {
WL_ERR(("P2P attach failed. \n"));
return -ENODEV;
}
return 0;
}
static s32 wl_cfg80211_detach_p2p(struct bcm_cfg80211 *cfg)
{
struct wireless_dev *wdev;
WL_DBG(("Enter \n"));
if (!cfg) {
WL_ERR(("Invalid Ptr\n"));
return -EINVAL;
}
else {
wdev = cfg->p2p_wdev;
if (!wdev) {
WL_ERR(("Invalid Ptr\n"));
return -EINVAL;
}
}
wl_cfgp2p_unregister_ndev(cfg);
cfg->p2p_wdev = NULL;
cfg->p2p_net = NULL;
WL_DBG(("Freeing 0x%p \n", wdev));
kfree(wdev);
return 0;
}
#endif
static s32 wl_cfg80211_attach_post(struct net_device *ndev)
{
struct bcm_cfg80211 * cfg;
s32 err = 0;
s32 ret = 0;
WL_INFORM_MEM(("In\n"));
if (unlikely(!ndev)) {
WL_ERR(("ndev is invaild\n"));
return -ENODEV;
}
cfg = wl_get_cfg(ndev);
if (unlikely(!cfg)) {
WL_ERR(("cfg is invaild\n"));
return -EINVAL;
}
if (!wl_get_drv_status(cfg, READY, ndev)) {
if (cfg->wdev) {
ret = wl_cfgp2p_supported(cfg, ndev);
if (ret > 0) {
#if !defined(WL_ENABLE_P2P_IF)
cfg->wdev->wiphy->interface_modes |=
(BIT(NL80211_IFTYPE_P2P_CLIENT)|
BIT(NL80211_IFTYPE_P2P_GO));
#endif /* !WL_ENABLE_P2P_IF */
if ((err = wl_cfgp2p_init_priv(cfg)) != 0)
goto fail;
#if defined(WL_ENABLE_P2P_IF)
if (cfg->p2p_net) {
/* Update MAC addr for p2p0 interface here. */
memcpy(cfg->p2p_net->dev_addr, ndev->dev_addr, ETH_ALEN);
cfg->p2p_net->dev_addr[0] |= 0x02;
WL_MSG(cfg->p2p_net->name, "p2p_dev_addr="MACDBG "\n",
MAC2STRDBG(cfg->p2p_net->dev_addr));
} else {
WL_ERR(("p2p_net not yet populated."
" Couldn't update the MAC Address for p2p0 \n"));
return -ENODEV;
}
#endif /* WL_ENABLE_P2P_IF */
cfg->p2p_supported = true;
} else if (ret == 0) {
if ((err = wl_cfgp2p_init_priv(cfg)) != 0)
goto fail;
} else {
/* SDIO bus timeout */
err = -ENODEV;
goto fail;
}
}
}
wl_set_drv_status(cfg, READY, ndev);
fail:
return err;
}
struct bcm_cfg80211 *wl_get_cfg(struct net_device *ndev)
{
struct wireless_dev *wdev = ndev->ieee80211_ptr;
if (!wdev || !wdev->wiphy)
return NULL;
return wiphy_priv(wdev->wiphy);
}
s32 wl_cfg80211_attach(struct net_device *ndev, void *context)
{
struct wireless_dev *wdev;
struct bcm_cfg80211 *cfg;
s32 err = 0;
struct device *dev;
u16 bssidx = 0;
u16 ifidx = 0;
dhd_pub_t *dhd = (struct dhd_pub *)(context);
WL_TRACE(("In\n"));
if (!ndev) {
WL_ERR(("ndev is invaild\n"));
return -ENODEV;
}
WL_DBG(("func %p\n", wl_cfg80211_get_parent_dev()));
dev = wl_cfg80211_get_parent_dev();
wdev = (struct wireless_dev *)MALLOCZ(dhd->osh, sizeof(*wdev));
if (unlikely(!wdev)) {
WL_ERR(("Could not allocate wireless device\n"));
return -ENOMEM;
}
err = wl_setup_wiphy(wdev, dev, context);
if (unlikely(err)) {
MFREE(dhd->osh, wdev, sizeof(*wdev));
return -ENOMEM;
}
wdev->iftype = wl_mode_to_nl80211_iftype(WL_MODE_BSS);
cfg = wiphy_priv(wdev->wiphy);
cfg->wdev = wdev;
cfg->pub = context;
cfg->osh = dhd->osh;
INIT_LIST_HEAD(&cfg->net_list);
INIT_LIST_HEAD(&cfg->vndr_oui_list);
spin_lock_init(&cfg->vndr_oui_sync);
spin_lock_init(&cfg->net_list_sync);
ndev->ieee80211_ptr = wdev;
SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy));
wdev->netdev = ndev;
cfg->state_notifier = wl_notifier_change_state;
err = wl_alloc_netinfo(cfg, ndev, wdev, WL_IF_TYPE_STA, PM_ENABLE, bssidx, ifidx);
if (err) {
WL_ERR(("Failed to alloc net_info (%d)\n", err));
goto cfg80211_attach_out;
}
err = wl_init_priv(cfg);
if (err) {
WL_ERR(("Failed to init iwm_priv (%d)\n", err));
goto cfg80211_attach_out;
}
err = wl_setup_rfkill(cfg, TRUE);
if (err) {
WL_ERR(("Failed to setup rfkill %d\n", err));
goto cfg80211_attach_out;
}
#ifdef DEBUGFS_CFG80211
err = wl_setup_debugfs(cfg);
if (err) {
WL_ERR(("Failed to setup debugfs %d\n", err));
goto cfg80211_attach_out;
}
#endif // endif
if (!wl_cfg80211_netdev_notifier_registered) {
wl_cfg80211_netdev_notifier_registered = TRUE;
err = register_netdevice_notifier(&wl_cfg80211_netdev_notifier);
if (err) {
wl_cfg80211_netdev_notifier_registered = FALSE;
WL_ERR(("Failed to register notifierl %d\n", err));
goto cfg80211_attach_out;
}
}
#if defined(COEX_DHCP)
cfg->btcoex_info = wl_cfg80211_btcoex_init(cfg->wdev->netdev);
if (!cfg->btcoex_info)
goto cfg80211_attach_out;
#endif // endif
#if defined(WL_ENABLE_P2P_IF)
err = wl_cfg80211_attach_p2p(cfg);
if (err)
goto cfg80211_attach_out;
#endif
INIT_DELAYED_WORK(&cfg->pm_enable_work, wl_cfg80211_work_handler);
#ifdef WL_IRQSET
INIT_DELAYED_WORK(&cfg->irq_set_work, wl_irq_set_work_handler);
#endif /* WL_IRQSET */
wl_cfg80211_set_bcmcfg(cfg);
cfg->rssi_sum_report = FALSE;
#ifdef WL_STATIC_IF
/* Register dummy n/w iface. FW init will happen only from dev_open */
if (wl_cfg80211_register_static_if(cfg, WL_IF_TYPE_AP,
WL_STATIC_IFNAME_PREFIX) == NULL) {
WL_ERR(("static i/f registration failed!\n"));
err = -ENODEV;
goto cfg80211_attach_out;
}
#endif /* WL_STATIC_IF */
return err;
cfg80211_attach_out:
wl_cfg80211_detach(cfg);
return err;
}
void wl_cfg80211_detach(struct bcm_cfg80211 *cfg)
{
WL_DBG(("Enter\n"));
if (!cfg) {
return;
}
wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_DEL);
#ifdef WL_IRQSET
cancel_delayed_work_sync(&cfg->irq_set_work);
#endif /* WL_IRQSET */
#if defined(COEX_DHCP)
wl_cfg80211_btcoex_deinit();
cfg->btcoex_info = NULL;
#endif // endif
wl_setup_rfkill(cfg, FALSE);
#ifdef DEBUGFS_CFG80211
wl_free_debugfs(cfg);
#endif // endif
if (cfg->p2p_supported) {
if (timer_pending(&cfg->p2p->listen_timer))
del_timer_sync(&cfg->p2p->listen_timer);
wl_cfgp2p_deinit_priv(cfg);
}
#ifdef WL_WPS_SYNC
wl_deinit_wps_reauth_sm(cfg);
#endif /* WL_WPS_SYNC */
if (timer_pending(&cfg->scan_timeout))
del_timer_sync(&cfg->scan_timeout);
#ifdef DHD_LOSSLESS_ROAMING
if (timer_pending(&cfg->roam_timeout)) {
del_timer_sync(&cfg->roam_timeout);
}
#endif /* DHD_LOSSLESS_ROAMING */
#ifdef WL_STATIC_IF
wl_cfg80211_unregister_static_if(cfg);
#endif /* WL_STATIC_IF */
#if defined(WL_CFG80211_P2P_DEV_IF)
if (cfg->p2p_wdev)
wl_cfgp2p_del_p2p_disc_if(cfg->p2p_wdev, cfg);
#endif /* WL_CFG80211_P2P_DEV_IF */
#if defined(WL_ENABLE_P2P_IF)
wl_cfg80211_detach_p2p(cfg);
#endif
wl_cfg80211_ibss_vsie_free(cfg);
wl_dealloc_netinfo_by_wdev(cfg, cfg->wdev);
wl_cfg80211_set_bcmcfg(NULL);
wl_deinit_priv(cfg);
wl_cfg80211_clear_parent_dev();
#if defined(RSSIAVG)
wl_free_rssi_cache(&cfg->g_rssi_cache_ctrl);
wl_free_rssi_cache(&cfg->g_connected_rssi_cache_ctrl);
#endif
#if defined(BSSCACHE)
wl_release_bss_cache_ctrl(&cfg->g_bss_cache_ctrl);
#endif
wl_free_wdev(cfg);
/* PLEASE do NOT call any function after wl_free_wdev, the driver's private
* structure "cfg", which is the private part of wiphy, has been freed in
* wl_free_wdev !!!!!!!!!!!
*/
WL_DBG(("Exit\n"));
}
static void wl_print_event_data(struct bcm_cfg80211 *cfg,
uint32 event_type, const wl_event_msg_t *e)
{
s32 status = ntoh32(e->status);
s32 reason = ntoh32(e->reason);
s32 ifidx = ntoh32(e->ifidx);
s32 bssidx = ntoh32(e->bsscfgidx);
switch (event_type) {
case WLC_E_ESCAN_RESULT:
if ((status == WLC_E_STATUS_SUCCESS) ||
(status == WLC_E_STATUS_ABORT)) {
WL_INFORM_MEM(("event_type (%d), ifidx: %d"
" bssidx: %d scan_type:%d\n",
event_type, ifidx, bssidx, status));
}
break;
case WLC_E_LINK:
case WLC_E_DISASSOC:
case WLC_E_DISASSOC_IND:
case WLC_E_DEAUTH:
case WLC_E_DEAUTH_IND:
WL_INFORM_MEM(("event_type (%d), ifidx: %d bssidx: %d"
" status:%d reason:%d\n",
event_type, ifidx, bssidx, status, reason));
break;
default:
/* Print only when DBG verbose is enabled */
WL_DBG(("event_type (%d), ifidx: %d bssidx: %d status:%d reason: %d\n",
event_type, ifidx, bssidx, status, reason));
}
}
static void wl_event_handler(struct work_struct *work_data)
{
struct bcm_cfg80211 *cfg = NULL;
struct wl_event_q *e;
struct wireless_dev *wdev = NULL;
WL_DBG(("Enter \n"));
BCM_SET_CONTAINER_OF(cfg, work_data, struct bcm_cfg80211, event_work);
cfg->wl_evt_hdlr_entry_time = OSL_SYSUPTIME_US();
DHD_EVENT_WAKE_LOCK(cfg->pub);
while ((e = wl_deq_event(cfg))) {
cfg->wl_evt_deq_time = OSL_SYSUPTIME_US();
/* Print only critical events to avoid too many prints */
wl_print_event_data(cfg, e->etype, &e->emsg);
if (e->emsg.ifidx > WL_MAX_IFS) {
WL_ERR((" Event ifidx not in range. val:%d \n", e->emsg.ifidx));
goto fail;
}
/* Make sure iface operations, don't creat race conditions */
mutex_lock(&cfg->if_sync);
if (!(wdev = wl_get_wdev_by_fw_idx(cfg,
e->emsg.bsscfgidx, e->emsg.ifidx))) {
/* For WLC_E_IF would be handled by wl_host_event */
if (e->etype != WLC_E_IF)
WL_ERR(("No wdev corresponding to bssidx: 0x%x found!"
" Ignoring event.\n", e->emsg.bsscfgidx));
} else if (e->etype < WLC_E_LAST && cfg->evt_handler[e->etype]) {
dhd_pub_t *dhd = (struct dhd_pub *)(cfg->pub);
if (dhd->busstate == DHD_BUS_DOWN) {
WL_ERR((": BUS is DOWN.\n"));
} else
{
WL_DBG(("event_type %d event_sub %d\n",
ntoh32(e->emsg.event_type),
ntoh32(e->emsg.reason)));
cfg->evt_handler[e->etype](cfg, wdev_to_cfgdev(wdev),
&e->emsg, e->edata);
}
} else {
WL_DBG(("Unknown Event (%d): ignoring\n", e->etype));
}
mutex_unlock(&cfg->if_sync);
fail:
wl_put_event(cfg, e);
cfg->wl_evt_hdlr_exit_time = OSL_SYSUPTIME_US();
}
DHD_EVENT_WAKE_UNLOCK(cfg->pub);
}
void
wl_cfg80211_event(struct net_device *ndev, const wl_event_msg_t * e, void *data)
{
s32 status = ntoh32(e->status);
u32 event_type = ntoh32(e->event_type);
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
struct net_info *netinfo;
WL_DBG(("event_type (%d): reason (%d): %s\n", event_type, ntoh32(e->reason),
bcmevent_get_name(event_type)));
if ((cfg == NULL) || (cfg->p2p_supported && cfg->p2p == NULL)) {
WL_ERR(("Stale event ignored\n"));
return;
}
if (cfg->event_workq == NULL) {
WL_ERR(("Event handler is not created\n"));
return;
}
if (wl_get_p2p_status(cfg, IF_CHANGING) || wl_get_p2p_status(cfg, IF_ADDING)) {
WL_ERR(("during IF change, ignore event %d\n", event_type));
return;
}
if (event_type == WLC_E_IF) {
/* Don't process WLC_E_IF events in wl_cfg80211 layer */
return;
}
netinfo = wl_get_netinfo_by_fw_idx(cfg, e->bsscfgidx, e->ifidx);
if (!netinfo) {
/* Since the netinfo entry is not there, the netdev entry is not
* created via cfg80211 interface. so the event is not of interest
* to the cfg80211 layer.
*/
WL_TRACE(("ignore event %d, not interested\n", event_type));
return;
}
if (event_type == WLC_E_PFN_NET_FOUND) {
WL_DBG((" PNOEVENT: PNO_NET_FOUND\n"));
}
else if (event_type == WLC_E_PFN_NET_LOST) {
WL_DBG((" PNOEVENT: PNO_NET_LOST\n"));
}
if (likely(!wl_enq_event(cfg, ndev, event_type, e, data))) {
queue_work(cfg->event_workq, &cfg->event_work);
}
/* Mark timeout value for thread sched */
if ((event_type == WLC_E_ESCAN_RESULT) &&
((status == WLC_E_STATUS_SUCCESS) ||
(status == WLC_E_STATUS_ABORT))) {
cfg->scan_enq_time = OSL_SYSUPTIME_US();
WL_INFORM_MEM(("Enqueing escan completion (%d). WQ state:0x%x \n",
status, work_busy(&cfg->event_work)));
}
}
static void wl_init_eq(struct bcm_cfg80211 *cfg)
{
wl_init_eq_lock(cfg);
INIT_LIST_HEAD(&cfg->eq_list);
}
static void wl_flush_eq(struct bcm_cfg80211 *cfg)
{
struct wl_event_q *e;
unsigned long flags;
flags = wl_lock_eq(cfg);
while (!list_empty_careful(&cfg->eq_list)) {
BCM_SET_LIST_FIRST_ENTRY(e, &cfg->eq_list, struct wl_event_q, eq_list);
list_del(&e->eq_list);
MFREE(cfg->osh, e, e->datalen + sizeof(struct wl_event_q));
}
wl_unlock_eq(cfg, flags);
}
/*
* retrieve first queued event from head
*/
static struct wl_event_q *wl_deq_event(struct bcm_cfg80211 *cfg)
{
struct wl_event_q *e = NULL;
unsigned long flags;
flags = wl_lock_eq(cfg);
if (likely(!list_empty(&cfg->eq_list))) {
BCM_SET_LIST_FIRST_ENTRY(e, &cfg->eq_list, struct wl_event_q, eq_list);
list_del(&e->eq_list);
}
wl_unlock_eq(cfg, flags);
return e;
}
/*
* push event to tail of the queue
*/
static s32
wl_enq_event(struct bcm_cfg80211 *cfg, struct net_device *ndev, u32 event,
const wl_event_msg_t *msg, void *data)
{
struct wl_event_q *e;
s32 err = 0;
uint32 evtq_size;
uint32 data_len;
unsigned long flags;
data_len = 0;
if (data)
data_len = ntoh32(msg->datalen);
evtq_size = sizeof(struct wl_event_q) + data_len;
e = (struct wl_event_q *)MALLOCZ(cfg->osh, evtq_size);
if (unlikely(!e)) {
WL_ERR(("event alloc failed\n"));
return -ENOMEM;
}
e->etype = event;
memcpy(&e->emsg, msg, sizeof(wl_event_msg_t));
if (data)
memcpy(e->edata, data, data_len);
e->datalen = data_len;
flags = wl_lock_eq(cfg);
list_add_tail(&e->eq_list, &cfg->eq_list);
wl_unlock_eq(cfg, flags);
return err;
}
static void wl_put_event(struct bcm_cfg80211 *cfg, struct wl_event_q *e)
{
MFREE(cfg->osh, e, e->datalen + sizeof(struct wl_event_q));
}
static s32 wl_config_infra(struct bcm_cfg80211 *cfg, struct net_device *ndev, u16 iftype)
{
s32 infra = 0;
s32 err = 0;
bool skip_infra = false;
switch (iftype) {
case WL_IF_TYPE_IBSS:
case WL_IF_TYPE_AIBSS:
infra = 0;
break;
case WL_IF_TYPE_AP:
case WL_IF_TYPE_STA:
case WL_IF_TYPE_P2P_GO:
case WL_IF_TYPE_P2P_GC:
/* Intentional fall through */
infra = 1;
break;
case WL_IF_TYPE_MONITOR:
case WL_IF_TYPE_AWDL:
case WL_IF_TYPE_NAN:
/* Intentionall fall through */
default:
skip_infra = true;
WL_ERR(("Skipping infra setting for type:%d\n", iftype));
break;
}
if (!skip_infra) {
infra = htod32(infra);
err = wldev_ioctl_set(ndev, WLC_SET_INFRA, &infra, sizeof(infra));
if (unlikely(err)) {
WL_ERR(("WLC_SET_INFRA error (%d)\n", err));
return err;
}
}
return 0;
}
void wl_cfg80211_add_to_eventbuffer(struct wl_eventmsg_buf *ev, u16 event, bool set)
{
if (!ev || (event > WLC_E_LAST))
return;
if (ev->num < MAX_EVENT_BUF_NUM) {
ev->event[ev->num].type = event;
ev->event[ev->num].set = set;
ev->num++;
} else {
WL_ERR(("evenbuffer doesn't support > %u events. Update"
" the define MAX_EVENT_BUF_NUM \n", MAX_EVENT_BUF_NUM));
ASSERT(0);
}
}
s32 wl_cfg80211_apply_eventbuffer(
struct net_device *ndev,
struct bcm_cfg80211 *cfg,
wl_eventmsg_buf_t *ev)
{
char eventmask[WL_EVENTING_MASK_LEN];
int i, ret = 0;
s8 iovbuf[WL_EVENTING_MASK_LEN + 12];
if (!ev || (!ev->num))
return -EINVAL;
mutex_lock(&cfg->event_sync);
/* Read event_msgs mask */
ret = wldev_iovar_getbuf(ndev, "event_msgs", NULL, 0, iovbuf, sizeof(iovbuf), NULL);
if (unlikely(ret)) {
WL_ERR(("Get event_msgs error (%d)\n", ret));
goto exit;
}
memcpy(eventmask, iovbuf, WL_EVENTING_MASK_LEN);
/* apply the set bits */
for (i = 0; i < ev->num; i++) {
if (ev->event[i].set)
setbit(eventmask, ev->event[i].type);
else
clrbit(eventmask, ev->event[i].type);
}
/* Write updated Event mask */
ret = wldev_iovar_setbuf(ndev, "event_msgs", eventmask, sizeof(eventmask), iovbuf,
sizeof(iovbuf), NULL);
if (unlikely(ret)) {
WL_ERR(("Set event_msgs error (%d)\n", ret));
}
exit:
mutex_unlock(&cfg->event_sync);
return ret;
}
s32 wl_add_remove_eventmsg(struct net_device *ndev, u16 event, bool add)
{
s8 iovbuf[WL_EVENTING_MASK_LEN + 12];
s8 eventmask[WL_EVENTING_MASK_LEN];
s32 err = 0;
struct bcm_cfg80211 *cfg;
if (!ndev)
return -ENODEV;
cfg = wl_get_cfg(ndev);
if (!cfg)
return -ENODEV;
mutex_lock(&cfg->event_sync);
/* Setup event_msgs */
err = wldev_iovar_getbuf(ndev, "event_msgs", NULL, 0, iovbuf, sizeof(iovbuf), NULL);
if (unlikely(err)) {
WL_ERR(("Get event_msgs error (%d)\n", err));
goto eventmsg_out;
}
memcpy(eventmask, iovbuf, WL_EVENTING_MASK_LEN);
if (add) {
setbit(eventmask, event);
} else {
clrbit(eventmask, event);
}
err = wldev_iovar_setbuf(ndev, "event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf,
sizeof(iovbuf), NULL);
if (unlikely(err)) {
WL_ERR(("Set event_msgs error (%d)\n", err));
goto eventmsg_out;
}
eventmsg_out:
mutex_unlock(&cfg->event_sync);
return err;
}
static int wl_construct_reginfo(struct bcm_cfg80211 *cfg, s32 bw_cap)
{
struct net_device *dev = bcmcfg_to_prmry_ndev(cfg);
struct ieee80211_channel *band_chan_arr = NULL;
wl_uint32_list_t *list;
u32 i, j, index, n_2g, n_5g, band, channel, array_size;
u32 *n_cnt = NULL;
chanspec_t c = 0;
s32 err = BCME_OK;
bool update;
bool ht40_allowed;
u8 *pbuf = NULL;
bool dfs_radar_disabled = FALSE;
#define LOCAL_BUF_LEN 1024
pbuf = (u8 *)MALLOCZ(cfg->osh, LOCAL_BUF_LEN);
if (pbuf == NULL) {
WL_ERR(("failed to allocate local buf\n"));
return -ENOMEM;
}
err = wldev_iovar_getbuf_bsscfg(dev, "chanspecs", NULL,
0, pbuf, LOCAL_BUF_LEN, 0, &cfg->ioctl_buf_sync);
if (err != 0) {
WL_ERR(("get chanspecs failed with %d\n", err));
MFREE(cfg->osh, pbuf, LOCAL_BUF_LEN);
return err;
}
list = (wl_uint32_list_t *)(void *)pbuf;
band = array_size = n_2g = n_5g = 0;
for (i = 0; i < dtoh32(list->count); i++) {
index = 0;
update = false;
ht40_allowed = false;
c = (chanspec_t)dtoh32(list->element[i]);
c = wl_chspec_driver_to_host(c);
channel = wf_chspec_ctlchan(c);
if (!CHSPEC_IS40(c) && ! CHSPEC_IS20(c)) {
WL_DBG(("HT80/160/80p80 center channel : %d\n", channel));
continue;
}
if (CHSPEC_IS2G(c) && (channel >= CH_MIN_2G_CHANNEL) &&
(channel <= CH_MAX_2G_CHANNEL)) {
band_chan_arr = __wl_2ghz_channels;
array_size = ARRAYSIZE(__wl_2ghz_channels);
n_cnt = &n_2g;
band = IEEE80211_BAND_2GHZ;
ht40_allowed = (bw_cap == WLC_N_BW_40ALL)? true : false;
} else if (CHSPEC_IS5G(c) && channel >= CH_MIN_5G_CHANNEL) {
band_chan_arr = __wl_5ghz_a_channels;
array_size = ARRAYSIZE(__wl_5ghz_a_channels);
n_cnt = &n_5g;
band = IEEE80211_BAND_5GHZ;
ht40_allowed = (bw_cap == WLC_N_BW_20ALL)? false : true;
} else {
WL_ERR(("Invalid channel Sepc. 0x%x.\n", c));
continue;
}
if (!ht40_allowed && CHSPEC_IS40(c))
continue;
for (j = 0; (j < *n_cnt && (*n_cnt < array_size)); j++) {
if (band_chan_arr[j].hw_value == channel) {
update = true;
break;
}
}
if (update)
index = j;
else
index = *n_cnt;
if (!dhd_conf_match_channel(cfg->pub, channel))
continue;
if (index < array_size) {
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS)
band_chan_arr[index].center_freq =
ieee80211_channel_to_frequency(channel);
#else
band_chan_arr[index].center_freq =
ieee80211_channel_to_frequency(channel, band);
#endif // endif
band_chan_arr[index].hw_value = channel;
band_chan_arr[index].beacon_found = false;
if (CHSPEC_IS40(c) && ht40_allowed) {
/* assuming the order is HT20, HT40 Upper,
* HT40 lower from chanspecs
*/
u32 ht40_flag = band_chan_arr[index].flags & IEEE80211_CHAN_NO_HT40;
if (CHSPEC_SB_UPPER(c)) {
if (ht40_flag == IEEE80211_CHAN_NO_HT40)
band_chan_arr[index].flags &=
~IEEE80211_CHAN_NO_HT40;
band_chan_arr[index].flags |= IEEE80211_CHAN_NO_HT40PLUS;
} else {
/* It should be one of
* IEEE80211_CHAN_NO_HT40 or IEEE80211_CHAN_NO_HT40PLUS
*/
band_chan_arr[index].flags &= ~IEEE80211_CHAN_NO_HT40;
if (ht40_flag == IEEE80211_CHAN_NO_HT40)
band_chan_arr[index].flags |=
IEEE80211_CHAN_NO_HT40MINUS;
}
} else {
band_chan_arr[index].flags = IEEE80211_CHAN_NO_HT40;
if (!dfs_radar_disabled) {
if (band == IEEE80211_BAND_2GHZ)
channel |= WL_CHANSPEC_BAND_2G;
else
channel |= WL_CHANSPEC_BAND_5G;
channel |= WL_CHANSPEC_BW_20;
channel = wl_chspec_host_to_driver(channel);
err = wldev_iovar_getint(dev, "per_chan_info", &channel);
if (!err) {
if (channel & WL_CHAN_RADAR) {
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
band_chan_arr[index].flags |=
(IEEE80211_CHAN_RADAR
| IEEE80211_CHAN_NO_IBSS);
#else
band_chan_arr[index].flags |=
IEEE80211_CHAN_RADAR;
#endif // endif
}
if (channel & WL_CHAN_PASSIVE)
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))
band_chan_arr[index].flags |=
IEEE80211_CHAN_PASSIVE_SCAN;
#else
band_chan_arr[index].flags |=
IEEE80211_CHAN_NO_IR;
#endif // endif
} else if (err == BCME_UNSUPPORTED) {
dfs_radar_disabled = TRUE;
WL_ERR(("does not support per_chan_info\n"));
}
}
}
if (!update)
(*n_cnt)++;
}
}
__wl_band_2ghz.n_channels = n_2g;
__wl_band_5ghz_a.n_channels = n_5g;
MFREE(cfg->osh, pbuf, LOCAL_BUF_LEN);
#undef LOCAL_BUF_LEN
return err;
}
static s32 __wl_update_wiphybands(struct bcm_cfg80211 *cfg, bool notify)
{
struct wiphy *wiphy;
struct net_device *dev = bcmcfg_to_prmry_ndev(cfg);
u32 bandlist[3];
u32 nband = 0;
u32 i = 0;
s32 err = 0;
s32 index = 0;
s32 nmode = 0;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
u32 j = 0;
s32 vhtmode = 0;
s32 txstreams = 0;
s32 rxstreams = 0;
s32 ldpc_cap = 0;
s32 stbc_rx = 0;
s32 stbc_tx = 0;
s32 txbf_bfe_cap = 0;
s32 txbf_bfr_cap = 0;
#endif // endif
s32 bw_cap = 0;
s32 cur_band = -1;
struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS] = {NULL, };
memset(bandlist, 0, sizeof(bandlist));
err = wldev_ioctl_get(dev, WLC_GET_BANDLIST, bandlist,
sizeof(bandlist));
if (unlikely(err)) {
WL_ERR(("error read bandlist (%d)\n", err));
return err;
}
err = wldev_ioctl_get(dev, WLC_GET_BAND, &cur_band,
sizeof(s32));
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
return err;
}
err = wldev_iovar_getint(dev, "nmode", &nmode);
if (unlikely(err)) {
WL_ERR(("error reading nmode (%d)\n", err));
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
err = wldev_iovar_getint(dev, "vhtmode", &vhtmode);
if (unlikely(err)) {
WL_ERR(("error reading vhtmode (%d)\n", err));
}
if (vhtmode) {
err = wldev_iovar_getint(dev, "txstreams", &txstreams);
if (unlikely(err)) {
WL_ERR(("error reading txstreams (%d)\n", err));
}
err = wldev_iovar_getint(dev, "rxstreams", &rxstreams);
if (unlikely(err)) {
WL_ERR(("error reading rxstreams (%d)\n", err));
}
err = wldev_iovar_getint(dev, "ldpc_cap", &ldpc_cap);
if (unlikely(err)) {
WL_ERR(("error reading ldpc_cap (%d)\n", err));
}
err = wldev_iovar_getint(dev, "stbc_rx", &stbc_rx);
if (unlikely(err)) {
WL_ERR(("error reading stbc_rx (%d)\n", err));
}
err = wldev_iovar_getint(dev, "stbc_tx", &stbc_tx);
if (unlikely(err)) {
WL_ERR(("error reading stbc_tx (%d)\n", err));
}
err = wldev_iovar_getint(dev, "txbf_bfe_cap", &txbf_bfe_cap);
if (unlikely(err)) {
WL_ERR(("error reading txbf_bfe_cap (%d)\n", err));
}
err = wldev_iovar_getint(dev, "txbf_bfr_cap", &txbf_bfr_cap);
if (unlikely(err)) {
WL_ERR(("error reading txbf_bfr_cap (%d)\n", err));
}
}
#endif // endif
/* For nmode and vhtmode check bw cap */
if (nmode ||
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
vhtmode ||
#endif // endif
0) {
err = wldev_iovar_getint(dev, "mimo_bw_cap", &bw_cap);
if (unlikely(err)) {
WL_ERR(("error get mimo_bw_cap (%d)\n", err));
}
}
err = wl_construct_reginfo(cfg, bw_cap);
if (err) {
WL_ERR(("wl_construct_reginfo() fails err=%d\n", err));
if (err != BCME_UNSUPPORTED)
return err;
}
wiphy = bcmcfg_to_wiphy(cfg);
nband = bandlist[0];
for (i = 1; i <= nband && i < ARRAYSIZE(bandlist); i++) {
index = -1;
if (bandlist[i] == WLC_BAND_5G && __wl_band_5ghz_a.n_channels > 0) {
bands[IEEE80211_BAND_5GHZ] =
&__wl_band_5ghz_a;
index = IEEE80211_BAND_5GHZ;
if (nmode && (bw_cap == WLC_N_BW_40ALL || bw_cap == WLC_N_BW_20IN2G_40IN5G))
bands[index]->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
/* VHT capabilities. */
if (vhtmode) {
/* Supported */
bands[index]->vht_cap.vht_supported = TRUE;
for (j = 1; j <= VHT_CAP_MCS_MAP_NSS_MAX; j++) {
/* TX stream rates. */
if (j <= txstreams) {
VHT_MCS_MAP_SET_MCS_PER_SS(j, VHT_CAP_MCS_MAP_0_9,
bands[index]->vht_cap.vht_mcs.tx_mcs_map);
} else {
VHT_MCS_MAP_SET_MCS_PER_SS(j, VHT_CAP_MCS_MAP_NONE,
bands[index]->vht_cap.vht_mcs.tx_mcs_map);
}
/* RX stream rates. */
if (j <= rxstreams) {
VHT_MCS_MAP_SET_MCS_PER_SS(j, VHT_CAP_MCS_MAP_0_9,
bands[index]->vht_cap.vht_mcs.rx_mcs_map);
} else {
VHT_MCS_MAP_SET_MCS_PER_SS(j, VHT_CAP_MCS_MAP_NONE,
bands[index]->vht_cap.vht_mcs.rx_mcs_map);
}
}
/* Capabilities */
/* 80 MHz is mandatory */
bands[index]->vht_cap.cap |=
IEEE80211_VHT_CAP_SHORT_GI_80;
if (WL_BW_CAP_160MHZ(bw_cap)) {
bands[index]->vht_cap.cap |=
IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
bands[index]->vht_cap.cap |=
IEEE80211_VHT_CAP_SHORT_GI_160;
}
bands[index]->vht_cap.cap |=
IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454;
if (ldpc_cap)
bands[index]->vht_cap.cap |=
IEEE80211_VHT_CAP_RXLDPC;
if (stbc_tx)
bands[index]->vht_cap.cap |=
IEEE80211_VHT_CAP_TXSTBC;
if (stbc_rx)
bands[index]->vht_cap.cap |=
(stbc_rx << VHT_CAP_INFO_RX_STBC_SHIFT);
if (txbf_bfe_cap)
bands[index]->vht_cap.cap |=
IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
if (txbf_bfr_cap) {
bands[index]->vht_cap.cap |=
IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
}
if (txbf_bfe_cap || txbf_bfr_cap) {
bands[index]->vht_cap.cap |=
(2 << VHT_CAP_INFO_NUM_BMFMR_ANT_SHIFT);
bands[index]->vht_cap.cap |=
((txstreams - 1) <<
VHT_CAP_INFO_NUM_SOUNDING_DIM_SHIFT);
bands[index]->vht_cap.cap |=
IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
}
/* AMPDU length limit, support max 1MB (2 ^ (13 + 7)) */
bands[index]->vht_cap.cap |=
(7 << VHT_CAP_INFO_AMPDU_MAXLEN_EXP_SHIFT);
WL_DBG(("%s band[%d] vht_enab=%d vht_cap=%08x "
"vht_rx_mcs_map=%04x vht_tx_mcs_map=%04x\n",
__FUNCTION__, index,
bands[index]->vht_cap.vht_supported,
bands[index]->vht_cap.cap,
bands[index]->vht_cap.vht_mcs.rx_mcs_map,
bands[index]->vht_cap.vht_mcs.tx_mcs_map));
}
#endif // endif
}
else if (bandlist[i] == WLC_BAND_2G && __wl_band_2ghz.n_channels > 0) {
bands[IEEE80211_BAND_2GHZ] =
&__wl_band_2ghz;
index = IEEE80211_BAND_2GHZ;
if (bw_cap == WLC_N_BW_40ALL)
bands[index]->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
}
if ((index >= 0) && nmode) {
bands[index]->ht_cap.cap |=
(IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_DSSSCCK40);
bands[index]->ht_cap.ht_supported = TRUE;
bands[index]->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
bands[index]->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
/* An HT shall support all EQM rates for one spatial stream */
bands[index]->ht_cap.mcs.rx_mask[0] = 0xff;
}
}
wiphy->bands[IEEE80211_BAND_2GHZ] = bands[IEEE80211_BAND_2GHZ];
wiphy->bands[IEEE80211_BAND_5GHZ] = bands[IEEE80211_BAND_5GHZ];
/* check if any bands populated otherwise makes 2Ghz as default */
if (wiphy->bands[IEEE80211_BAND_2GHZ] == NULL &&
wiphy->bands[IEEE80211_BAND_5GHZ] == NULL) {
/* Setup 2Ghz band as default */
wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz;
}
if (notify)
wiphy_apply_custom_regulatory(wiphy, &brcm_regdom);
return 0;
}
s32 wl_update_wiphybands(struct bcm_cfg80211 *cfg, bool notify)
{
s32 err;
mutex_lock(&cfg->usr_sync);
err = __wl_update_wiphybands(cfg, notify);
mutex_unlock(&cfg->usr_sync);
return err;
}
static s32 __wl_cfg80211_up(struct bcm_cfg80211 *cfg)
{
s32 err = 0;
#ifdef WL_HOST_BAND_MGMT
s32 ret = 0;
#endif /* WL_HOST_BAND_MGMT */
struct net_info *netinfo = NULL;
struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
struct wireless_dev *wdev = ndev->ieee80211_ptr;
#ifdef WLTDLS
u32 tdls;
#endif /* WLTDLS */
u16 wl_iftype = 0;
u16 wl_mode = 0;
WL_DBG(("In\n"));
if (!dhd_download_fw_on_driverload) {
err = wl_create_event_handler(cfg);
if (err) {
WL_ERR(("wl_create_event_handler failed\n"));
return err;
}
wl_init_event_handler(cfg);
}
/* Reserve 0x8000 toggle bit for P2P GO/GC */
cfg->vif_macaddr_mask = 0x8000;
err = dhd_config_dongle(cfg);
if (unlikely(err))
return err;
/* Always bring up interface in STA mode.
* Did observe , if previous SofAP Bringup/cleanup
* is not done properly, iftype is stuck with AP mode.
* So during next wlan0 up, forcing the type to STA
*/
netinfo = wl_get_netinfo_by_wdev(cfg, wdev);
ndev->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION;
netinfo->iftype = WL_IF_TYPE_STA;
if (cfg80211_to_wl_iftype(wdev->iftype, &wl_iftype, &wl_mode) < 0) {
return -EINVAL;
}
err = wl_config_infra(cfg, ndev, wl_iftype);
if (unlikely(err && err != -EINPROGRESS)) {
WL_ERR(("wl_config_infra failed\n"));
if (err == -1) {
WL_ERR(("return error %d\n", err));
return err;
}
}
err = wl_init_scan(cfg);
if (err) {
WL_ERR(("wl_init_scan failed\n"));
return err;
}
err = __wl_update_wiphybands(cfg, true);
if (unlikely(err)) {
WL_ERR(("wl_update_wiphybands failed\n"));
if (err == -1) {
WL_ERR(("return error %d\n", err));
return err;
}
}
#ifdef DHD_LOSSLESS_ROAMING
if (timer_pending(&cfg->roam_timeout)) {
del_timer_sync(&cfg->roam_timeout);
}
#endif /* DHD_LOSSLESS_ROAMING */
err = dhd_monitor_init(cfg->pub);
#ifdef WL_HOST_BAND_MGMT
/* By default the curr_band is initialized to BAND_AUTO */
if ((ret = wl_cfg80211_set_band(ndev, WLC_BAND_AUTO)) < 0) {
if (ret == BCME_UNSUPPORTED) {
/* Don't fail the initialization, lets just
* fall back to the original method
*/
WL_ERR(("WL_HOST_BAND_MGMT defined, "
"but roam_band iovar not supported \n"));
} else {
WL_ERR(("roam_band failed. ret=%d", ret));
err = -1;
}
}
#endif /* WL_HOST_BAND_MGMT */
#ifdef WLTDLS
if (wldev_iovar_getint(ndev, "tdls_enable", &tdls) == 0) {
WL_DBG(("TDLS supported in fw\n"));
cfg->tdls_supported = true;
}
#endif /* WLTDLS */
#ifdef WL_FILS
if (wl_is_fils_supported(wdev->netdev)) {
wiphy_ext_feature_set(wdev->wiphy, NL80211_EXT_FEATURE_FILS_SK_OFFLOAD);
}
#endif /* WL_FILS */
if (!fw_ap_select) {
/*
* If FW ROAM flag is advertised, upper layer doesn't provide the
* bssid & freq in the connect command. However, kernel ver >= 3.15,
* provides bssid_hint & freq_hint which can be used by the firmware.
* fw_ap_select variable determines whether FW selects the AP or the
* user space selects the target AP within the given ESS.
*/
wdev->wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_FW_ROAM;
}
INIT_DELAYED_WORK(&cfg->pm_enable_work, wl_cfg80211_work_handler);
wl_set_drv_status(cfg, READY, ndev);
return err;
}
static s32 __wl_cfg80211_down(struct bcm_cfg80211 *cfg)
{
s32 err = 0;
unsigned long flags;
struct net_info *iter, *next;
struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
#if defined(WL_CFG80211) && (defined(WL_ENABLE_P2P_IF) || \
defined(WL_NEW_CFG_PRIVCMD_SUPPORT)) && !defined(PLATFORM_SLP)
struct net_device *p2p_net = cfg->p2p_net;
#endif
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
WL_INFORM_MEM(("cfg80211 down\n"));
/* Check if cfg80211 interface is already down */
if (!wl_get_drv_status(cfg, READY, ndev)) {
WL_DBG(("cfg80211 interface is already down\n"));
return err; /* it is even not ready */
}
#ifdef SHOW_LOGTRACE
/* Stop the event logging */
wl_add_remove_eventmsg(ndev, WLC_E_TRACE, FALSE);
#endif /* SHOW_LOGTRACE */
/* clear vendor OUI list */
wl_vndr_ies_clear_vendor_oui_list(cfg);
/* Delete pm_enable_work */
wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_DEL);
#ifdef WL_IRQSET
cancel_delayed_work_sync(&cfg->irq_set_work);
#endif /* WL_IRQSET */
if (cfg->p2p_supported) {
wl_clr_p2p_status(cfg, GO_NEG_PHASE);
#ifdef PROP_TXSTATUS_VSDB
#if defined(BCMSDIO) || defined(BCMDBUS)
if (wl_cfgp2p_vif_created(cfg)) {
bool enabled = false;
dhd_wlfc_get_enable(dhd, &enabled);
if (enabled && cfg->wlfc_on && dhd->op_mode != DHD_FLAG_HOSTAP_MODE &&
dhd->op_mode != DHD_FLAG_IBSS_MODE) {
dhd_wlfc_deinit(dhd);
cfg->wlfc_on = false;
}
}
#endif /* BCMSDIO || BCMDBUS */
#endif /* PROP_TXSTATUS_VSDB */
}
if (!dhd_download_fw_on_driverload) {
/* For built-in drivers/other drivers that do reset on
* "ifconfig <primary_iface> down", cleanup any left
* over interfaces
*/
wl_cfg80211_cleanup_virtual_ifaces(cfg, false);
}
/* Clear used mac addr mask */
cfg->vif_macaddr_mask = 0;
#ifdef WL_NAN
err = wl_cfgnan_disable(cfg, NAN_BUS_IS_DOWN);
if (err != BCME_OK) {
WL_ERR(("failed to disable nan, error[%d]\n", err));
}
#endif /* WL_NAN */
if (dhd->up)
{
/* If primary BSS is operational (for e.g SoftAP), bring it down */
if (wl_cfg80211_bss_isup(ndev, 0)) {
if (wl_cfg80211_bss_up(cfg, ndev, 0, 0) < 0)
WL_ERR(("BSS down failed \n"));
}
/* clear all the security setting on primary Interface */
wl_cfg80211_clear_security(cfg);
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic push")
_Pragma("GCC diagnostic ignored \"-Wcast-qual\"")
#endif // endif
for_each_ndev(cfg, iter, next) {
if (iter->ndev) /* p2p discovery iface is null */
wl_set_drv_status(cfg, SCAN_ABORTING, iter->ndev);
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic pop")
#endif // endif
#ifdef P2P_LISTEN_OFFLOADING
wl_cfg80211_p2plo_deinit(cfg);
#endif /* P2P_LISTEN_OFFLOADING */
spin_lock_irqsave(&cfg->cfgdrv_lock, flags);
if (cfg->scan_request) {
wl_notify_scan_done(cfg, true);
cfg->scan_request = NULL;
}
spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags);
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic push")
_Pragma("GCC diagnostic ignored \"-Wcast-qual\"")
#endif // endif
for_each_ndev(cfg, iter, next) {
/* p2p discovery iface ndev ptr could be null */
if (iter->ndev == NULL)
continue;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
if (wl_get_drv_status(cfg, CONNECTED, iter->ndev)) {
CFG80211_DISCONNECTED(iter->ndev, 0, NULL, 0, false, GFP_KERNEL);
}
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) */
wl_clr_drv_status(cfg, READY, iter->ndev);
wl_clr_drv_status(cfg, SCANNING, iter->ndev);
wl_clr_drv_status(cfg, SCAN_ABORTING, iter->ndev);
wl_clr_drv_status(cfg, CONNECTING, iter->ndev);
wl_clr_drv_status(cfg, CONNECTED, iter->ndev);
wl_clr_drv_status(cfg, DISCONNECTING, iter->ndev);
wl_clr_drv_status(cfg, AP_CREATED, iter->ndev);
wl_clr_drv_status(cfg, AP_CREATING, iter->ndev);
wl_clr_drv_status(cfg, NESTED_CONNECT, iter->ndev);
wl_clr_drv_status(cfg, CFG80211_CONNECT, iter->ndev);
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic pop")
#endif // endif
bcmcfg_to_prmry_ndev(cfg)->ieee80211_ptr->iftype =
NL80211_IFTYPE_STATION;
#if defined(WL_CFG80211) && (defined(WL_ENABLE_P2P_IF) || \
defined(WL_NEW_CFG_PRIVCMD_SUPPORT)) && !defined(PLATFORM_SLP)
if (p2p_net)
dev_close(p2p_net);
#endif
/* Avoid deadlock from wl_cfg80211_down */
if (!dhd_download_fw_on_driverload) {
mutex_unlock(&cfg->usr_sync);
wl_destroy_event_handler(cfg);
mutex_lock(&cfg->usr_sync);
}
wl_flush_eq(cfg);
wl_link_down(cfg);
if (cfg->p2p_supported) {
if (timer_pending(&cfg->p2p->listen_timer))
del_timer_sync(&cfg->p2p->listen_timer);
wl_cfgp2p_down(cfg);
}
if (timer_pending(&cfg->scan_timeout)) {
del_timer_sync(&cfg->scan_timeout);
}
wl_cfg80211_clear_mgmt_vndr_ies(cfg);
DHD_OS_SCAN_WAKE_UNLOCK((dhd_pub_t *)(cfg->pub));
dhd_monitor_uninit();
#ifdef WLAIBSS_MCHAN
bcm_cfg80211_del_ibss_if(cfg->wdev->wiphy, cfg->ibss_cfgdev);
#endif /* WLAIBSS_MCHAN */
#ifdef WL11U
/* Clear interworking element. */
if (cfg->wl11u) {
cfg->wl11u = FALSE;
}
#endif /* WL11U */
cfg->disable_roam_event = false;
DNGL_FUNC(dhd_cfg80211_down, (cfg));
#ifdef DHD_IFDEBUG
/* Printout all netinfo entries */
wl_probe_wdev_all(cfg);
#endif /* DHD_IFDEBUG */
return err;
}
s32 wl_cfg80211_up(struct net_device *net)
{
struct bcm_cfg80211 *cfg;
s32 err = 0;
int val = 1;
dhd_pub_t *dhd;
#ifdef DISABLE_PM_BCNRX
s32 interr = 0;
uint param = 0;
s8 iovbuf[WLC_IOCTL_SMLEN];
#endif /* DISABLE_PM_BCNRX */
WL_DBG(("In\n"));
cfg = wl_get_cfg(net);
if ((err = wldev_ioctl_get(bcmcfg_to_prmry_ndev(cfg), WLC_GET_VERSION, &val,
sizeof(int)) < 0)) {
WL_ERR(("WLC_GET_VERSION failed, err=%d\n", err));
return err;
}
val = dtoh32(val);
if (val != WLC_IOCTL_VERSION && val != 1) {
WL_ERR(("Version mismatch, please upgrade. Got %d, expected %d or 1\n",
val, WLC_IOCTL_VERSION));
return BCME_VERSION;
}
ioctl_version = val;
WL_TRACE(("WLC_GET_VERSION=%d\n", ioctl_version));
wl_cfg80211_check_in4way(cfg, net, NO_SCAN_IN4WAY|NO_BTC_IN4WAY|WAIT_DISCONNECTED,
WL_EXT_STATUS_DISCONNECTED, NULL);
mutex_lock(&cfg->usr_sync);
dhd = (dhd_pub_t *)(cfg->pub);
if (!(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) {
err = wl_cfg80211_attach_post(bcmcfg_to_prmry_ndev(cfg));
if (unlikely(err)) {
mutex_unlock(&cfg->usr_sync);
return err;
}
}
#if defined(BCMSUP_4WAY_HANDSHAKE)
if (dhd->fw_4way_handshake) {
/* This is a hacky method to indicate fw 4WHS support and
* is used only for kernels (kernels < 3.14). For newer
* kernels, we would be using vendor extn. path to advertise
* FW based 4-way handshake feature support.
*/
cfg->wdev->wiphy->features |= NL80211_FEATURE_FW_4WAY_HANDSHAKE;
}
#endif /* BCMSUP_4WAY_HANDSHAKE */
err = __wl_cfg80211_up(cfg);
if (unlikely(err))
WL_ERR(("__wl_cfg80211_up failed\n"));
#ifdef ROAM_CHANNEL_CACHE
if (init_roam_cache(cfg, ioctl_version) == 0) {
/* Enable support for Roam cache */
cfg->rcc_enabled = true;
WL_ERR(("Roam channel cache enabled\n"));
} else {
WL_ERR(("Failed to enable RCC.\n"));
}
#endif /* ROAM_CHANNEL_CACHE */
/* IOVAR configurations with 'up' condition */
#ifdef DISABLE_PM_BCNRX
interr = wldev_iovar_setbuf(net, "pm_bcnrx", (char *)&param, sizeof(param), iovbuf,
sizeof(iovbuf), &cfg->ioctl_buf_sync);
if (unlikely(interr)) {
WL_ERR(("Set pm_bcnrx returned (%d)\n", interr));
}
#endif /* DISABLE_PM_BCNRX */
mutex_unlock(&cfg->usr_sync);
#ifdef WLAIBSS_MCHAN
bcm_cfg80211_add_ibss_if(cfg->wdev->wiphy, IBSS_IF_NAME);
#endif /* WLAIBSS_MCHAN */
#ifdef DUAL_STA_STATIC_IF
/* Static Interface support is currently supported only for STA only builds (without P2P) */
wl_cfg80211_create_iface(cfg->wdev->wiphy, WL_IF_TYPE_STA, NULL, "wlan%d");
#endif /* DUAL_STA_STATIC_IF */
return err;
}
/* Private Event to Supplicant with indication that chip hangs */
int wl_cfg80211_hang(struct net_device *dev, u16 reason)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
dhd_pub_t *dhd;
if (!cfg) {
return BCME_ERROR;
}
RETURN_EIO_IF_NOT_UP(cfg);
dhd = (dhd_pub_t *)(cfg->pub);
if ((dhd->hang_reason <= HANG_REASON_MASK) || (dhd->hang_reason >= HANG_REASON_MAX)) {
WL_ERR(("%s, Invalid hang reason 0x%x\n",
__FUNCTION__, dhd->hang_reason));
dhd->hang_reason = HANG_REASON_UNKNOWN;
}
WL_ERR(("In : chip crash eventing, reason=0x%x\n", (uint32)(dhd->hang_reason)));
wl_add_remove_pm_enable_work(cfg, WL_PM_WORKQ_DEL);
{
if (dhd->up == TRUE) {
CFG80211_DISCONNECTED(dev, reason, NULL, 0, false, GFP_KERNEL);
}
}
#if defined(RSSIAVG)
wl_free_rssi_cache(&cfg->g_rssi_cache_ctrl);
#endif
#if defined(BSSCACHE)
wl_free_bss_cache(&cfg->g_bss_cache_ctrl);
#endif
if (cfg != NULL) {
wl_link_down(cfg);
}
return 0;
}
s32 wl_cfg80211_down(struct net_device *dev)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
s32 err = BCME_ERROR;
WL_DBG(("In\n"));
if (cfg && (cfg == wl_cfg80211_get_bcmcfg())) {
mutex_lock(&cfg->usr_sync);
#if defined(RSSIAVG)
wl_free_rssi_cache(&cfg->g_rssi_cache_ctrl);
#endif
#if defined(BSSCACHE)
wl_free_bss_cache(&cfg->g_bss_cache_ctrl);
#endif
err = __wl_cfg80211_down(cfg);
mutex_unlock(&cfg->usr_sync);
}
return err;
}
static void *wl_read_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 item)
{
unsigned long flags;
void *rptr = NULL;
struct wl_profile *profile = wl_get_profile_by_netdev(cfg, ndev);
if (!profile)
return NULL;
spin_lock_irqsave(&cfg->cfgdrv_lock, flags);
switch (item) {
case WL_PROF_SEC:
rptr = &profile->sec;
break;
case WL_PROF_ACT:
rptr = &profile->active;
break;
case WL_PROF_BSSID:
rptr = profile->bssid;
break;
case WL_PROF_SSID:
rptr = &profile->ssid;
break;
case WL_PROF_CHAN:
rptr = &profile->channel;
break;
}
spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags);
if (!rptr)
WL_ERR(("invalid item (%d)\n", item));
return rptr;
}
static s32
wl_update_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const wl_event_msg_t *e, const void *data, s32 item)
{
s32 err = 0;
const struct wlc_ssid *ssid;
unsigned long flags;
struct wl_profile *profile = wl_get_profile_by_netdev(cfg, ndev);
if (!profile)
return WL_INVALID;
spin_lock_irqsave(&cfg->cfgdrv_lock, flags);
switch (item) {
case WL_PROF_SSID:
ssid = (const wlc_ssid_t *) data;
memset(profile->ssid.SSID, 0,
sizeof(profile->ssid.SSID));
profile->ssid.SSID_len = MIN(ssid->SSID_len, DOT11_MAX_SSID_LEN);
memcpy(profile->ssid.SSID, ssid->SSID, profile->ssid.SSID_len);
break;
case WL_PROF_BSSID:
if (data)
memcpy(profile->bssid, data, ETHER_ADDR_LEN);
else
memset(profile->bssid, 0, ETHER_ADDR_LEN);
break;
case WL_PROF_SEC:
memcpy(&profile->sec, data, sizeof(profile->sec));
break;
case WL_PROF_ACT:
profile->active = *(const bool *)data;
break;
case WL_PROF_BEACONINT:
profile->beacon_interval = *(const u16 *)data;
break;
case WL_PROF_DTIMPERIOD:
profile->dtim_period = *(const u8 *)data;
break;
case WL_PROF_CHAN:
profile->channel = *(const u32*)data;
break;
default:
err = -EOPNOTSUPP;
break;
}
spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags);
if (err == -EOPNOTSUPP)
WL_ERR(("unsupported item (%d)\n", item));
return err;
}
void wl_cfg80211_dbg_level(u32 level)
{
/*
* prohibit to change debug level
* by insmod parameter.
* eventually debug level will be configured
* in compile time by using CONFIG_XXX
*/
/* wl_dbg_level = level; */
}
static bool wl_is_ibssmode(struct bcm_cfg80211 *cfg, struct net_device *ndev)
{
return wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_IBSS;
}
static __used bool wl_is_ibssstarter(struct bcm_cfg80211 *cfg)
{
return cfg->ibss_starter;
}
static void wl_rst_ie(struct bcm_cfg80211 *cfg)
{
struct wl_ie *ie = wl_to_ie(cfg);
ie->offset = 0;
}
static __used s32 wl_add_ie(struct bcm_cfg80211 *cfg, u8 t, u8 l, u8 *v)
{
struct wl_ie *ie = wl_to_ie(cfg);
s32 err = 0;
if (unlikely(ie->offset + l + 2 > WL_TLV_INFO_MAX)) {
WL_ERR(("ei crosses buffer boundary\n"));
return -ENOSPC;
}
ie->buf[ie->offset] = t;
ie->buf[ie->offset + 1] = l;
memcpy(&ie->buf[ie->offset + 2], v, l);
ie->offset += l + 2;
return err;
}
static void wl_update_hidden_ap_ie(wl_bss_info_t *bi, const u8 *ie_stream, u32 *ie_size,
bool roam)
{
u8 *ssidie;
int32 ssid_len = MIN(bi->SSID_len, DOT11_MAX_SSID_LEN);
int32 remaining_ie_buf_len, available_buffer_len, unused_buf_len;
/* cfg80211_find_ie defined in kernel returning const u8 */
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic push")
_Pragma("GCC diagnostic ignored \"-Wcast-qual\"")
#endif // endif
ssidie = (u8 *)cfg80211_find_ie(WLAN_EID_SSID, ie_stream, *ie_size);
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic pop")
#endif // endif
/* ERROR out if
* 1. No ssid IE is FOUND or
* 2. New ssid length is > what was allocated for existing ssid (as
* we do not want to overwrite the rest of the IEs) or
* 3. If in case of erroneous buffer input where ssid length doesnt match the space
* allocated to it.
*/
if (!ssidie) {
return;
}
available_buffer_len = ((int)(*ie_size)) - (ssidie + 2 - ie_stream);
remaining_ie_buf_len = available_buffer_len - (int)ssidie[1];
unused_buf_len = WL_EXTRA_BUF_MAX - (4 + bi->length + *ie_size);
if (ssidie[1] > available_buffer_len) {
WL_ERR_MEM(("%s: skip wl_update_hidden_ap_ie : overflow\n", __FUNCTION__));
return;
}
if (ssidie[1] != ssid_len) {
if (ssidie[1]) {
WL_INFORM_MEM(("%s: Wrong SSID len: %d != %d\n",
__FUNCTION__, ssidie[1], bi->SSID_len));
}
if ((roam && (ssid_len > ssidie[1])) && (unused_buf_len > ssid_len)) {
WL_INFORM_MEM(("Changing the SSID Info.\n"));
memmove(ssidie + ssid_len + 2,
(ssidie + 2) + ssidie[1],
remaining_ie_buf_len);
memcpy(ssidie + 2, bi->SSID, ssid_len);
*ie_size = *ie_size + ssid_len - ssidie[1];
ssidie[1] = ssid_len;
} else if (ssid_len < ssidie[1]) {
WL_ERR_MEM(("%s: Invalid SSID len: %d < %d\n",
__FUNCTION__, bi->SSID_len, ssidie[1]));
}
return;
}
if (*(ssidie + 2) == '\0')
memcpy(ssidie + 2, bi->SSID, ssid_len);
return;
}
static s32 wl_mrg_ie(struct bcm_cfg80211 *cfg, u8 *ie_stream, u16 ie_size)
{
struct wl_ie *ie = wl_to_ie(cfg);
s32 err = 0;
if (unlikely(ie->offset + ie_size > WL_TLV_INFO_MAX)) {
WL_ERR(("ei_stream crosses buffer boundary\n"));
return -ENOSPC;
}
memcpy(&ie->buf[ie->offset], ie_stream, ie_size);
ie->offset += ie_size;
return err;
}
static s32 wl_cp_ie(struct bcm_cfg80211 *cfg, u8 *dst, u16 dst_size)
{
struct wl_ie *ie = wl_to_ie(cfg);
s32 err = 0;
if (unlikely(ie->offset > dst_size)) {
WL_ERR(("dst_size is not enough\n"));
return -ENOSPC;
}
memcpy(dst, &ie->buf[0], ie->offset);
return err;
}
static u32 wl_get_ielen(struct bcm_cfg80211 *cfg)
{
struct wl_ie *ie = wl_to_ie(cfg);
return ie->offset;
}
static void wl_link_up(struct bcm_cfg80211 *cfg)
{
cfg->link_up = true;
}
static void wl_link_down(struct bcm_cfg80211 *cfg)
{
struct wl_connect_info *conn_info = wl_to_conn(cfg);
WL_DBG(("In\n"));
cfg->link_up = false;
if (conn_info) {
conn_info->req_ie_len = 0;
conn_info->resp_ie_len = 0;
}
}
static unsigned long wl_lock_eq(struct bcm_cfg80211 *cfg)
{
unsigned long flags;
spin_lock_irqsave(&cfg->eq_lock, flags);
return flags;
}
static void wl_unlock_eq(struct bcm_cfg80211 *cfg, unsigned long flags)
{
spin_unlock_irqrestore(&cfg->eq_lock, flags);
}
static void wl_init_eq_lock(struct bcm_cfg80211 *cfg)
{
spin_lock_init(&cfg->eq_lock);
}
static void wl_delay(u32 ms)
{
if (in_atomic() || (ms < jiffies_to_msecs(1))) {
OSL_DELAY(ms*1000);
} else {
OSL_SLEEP(ms);
}
}
s32 wl_cfg80211_get_p2p_dev_addr(struct net_device *net, struct ether_addr *p2pdev_addr)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(net);
struct ether_addr primary_mac;
if (!cfg->p2p)
return -1;
if (!p2p_is_on(cfg)) {
get_primary_mac(cfg, &primary_mac);
wl_cfgp2p_generate_bss_mac(cfg, &primary_mac);
memcpy((void *)&p2pdev_addr, (void *)&primary_mac, ETHER_ADDR_LEN);
} else {
memcpy(p2pdev_addr->octet, wl_to_p2p_bss_macaddr(cfg, P2PAPI_BSSCFG_DEVICE).octet,
ETHER_ADDR_LEN);
}
return 0;
}
s32 wl_cfg80211_set_p2p_noa(struct net_device *net, char* buf, int len)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(net);
return wl_cfgp2p_set_p2p_noa(cfg, net, buf, len);
}
s32 wl_cfg80211_get_p2p_noa(struct net_device *net, char* buf, int len)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(net);
return wl_cfgp2p_get_p2p_noa(cfg, net, buf, len);
}
s32 wl_cfg80211_set_p2p_ps(struct net_device *net, char* buf, int len)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(net);
return wl_cfgp2p_set_p2p_ps(cfg, net, buf, len);
}
s32 wl_cfg80211_set_p2p_ecsa(struct net_device *net, char* buf, int len)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(net);
return wl_cfgp2p_set_p2p_ecsa(cfg, net, buf, len);
}
s32 wl_cfg80211_increase_p2p_bw(struct net_device *net, char* buf, int len)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(net);
return wl_cfgp2p_increase_p2p_bw(cfg, net, buf, len);
}
#ifdef P2PLISTEN_AP_SAMECHN
s32 wl_cfg80211_set_p2p_resp_ap_chn(struct net_device *net, s32 enable)
{
s32 ret = wldev_iovar_setint(net, "p2p_resp_ap_chn", enable);
if ((ret == 0) && enable) {
/* disable PM for p2p responding on infra AP channel */
s32 pm = PM_OFF;
ret = wldev_ioctl_set(net, WLC_SET_PM, &pm, sizeof(pm));
}
return ret;
}
#endif /* P2PLISTEN_AP_SAMECHN */
s32 wl_cfg80211_channel_to_freq(u32 channel)
{
int freq = 0;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && !defined(WL_COMPAT_WIRELESS)
freq = ieee80211_channel_to_frequency(channel);
#else
{
u16 band = 0;
if (channel <= CH_MAX_2G_CHANNEL)
band = IEEE80211_BAND_2GHZ;
else
band = IEEE80211_BAND_5GHZ;
freq = ieee80211_channel_to_frequency(channel, band);
}
#endif // endif
return freq;
}
#ifdef WLTDLS
static s32
wl_tdls_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data) {
struct net_device *ndev = NULL;
u32 reason = ntoh32(e->reason);
s8 *msg = NULL;
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
switch (reason) {
case WLC_E_TDLS_PEER_DISCOVERED :
msg = " TDLS PEER DISCOVERD ";
break;
case WLC_E_TDLS_PEER_CONNECTED :
if (cfg->tdls_mgmt_frame) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0))
cfg80211_rx_mgmt(cfgdev, cfg->tdls_mgmt_freq, 0,
cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len, 0);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0))
cfg80211_rx_mgmt(cfgdev, cfg->tdls_mgmt_freq, 0,
cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len, 0,
GFP_ATOMIC);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || \
defined(WL_COMPAT_WIRELESS)
cfg80211_rx_mgmt(cfgdev, cfg->tdls_mgmt_freq, 0,
cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len,
GFP_ATOMIC);
#else
cfg80211_rx_mgmt(cfgdev, cfg->tdls_mgmt_freq,
cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len, GFP_ATOMIC);
#endif /* LINUX_VERSION >= VERSION(3, 18,0) || WL_COMPAT_WIRELESS */
}
msg = " TDLS PEER CONNECTED ";
#ifdef SUPPORT_SET_CAC
/* TDLS connect reset CAC */
wl_cfg80211_set_cac(cfg, 0);
#endif /* SUPPORT_SET_CAC */
break;
case WLC_E_TDLS_PEER_DISCONNECTED :
if (cfg->tdls_mgmt_frame) {
MFREE(cfg->osh, cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len);
cfg->tdls_mgmt_frame = NULL;
cfg->tdls_mgmt_frame_len = 0;
cfg->tdls_mgmt_freq = 0;
}
msg = "TDLS PEER DISCONNECTED ";
#ifdef SUPPORT_SET_CAC
/* TDLS disconnec, set CAC */
wl_cfg80211_set_cac(cfg, 1);
#endif /* SUPPORT_SET_CAC */
break;
}
if (msg) {
WL_ERR(("%s: " MACDBG " on %s ndev\n", msg, MAC2STRDBG((const u8*)(&e->addr)),
(bcmcfg_to_prmry_ndev(cfg) == ndev) ? "primary" : "secondary"));
}
return 0;
}
#endif /* WLTDLS */
static s32
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS)
#if (defined(CONFIG_ARCH_MSM) && defined(TDLS_MGMT_VERSION2)) || (LINUX_VERSION_CODE < \
KERNEL_VERSION(3, 16, 0) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, u8 action_code, u8 dialog_token, u16 status_code,
u32 peer_capability, const u8 *buf, size_t len)
#elif ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0)))
wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code,
u32 peer_capability, const u8 *buf, size_t len)
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0))
wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code,
u32 peer_capability, bool initiator, const u8 *buf, size_t len)
#else /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */
wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, u8 action_code, u8 dialog_token, u16 status_code,
const u8 *buf, size_t len)
#endif /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */
{
s32 ret = 0;
#ifdef WLTDLS
struct bcm_cfg80211 *cfg;
tdls_wfd_ie_iovar_t info;
memset(&info, 0, sizeof(tdls_wfd_ie_iovar_t));
cfg = wl_get_cfg(dev);
#if defined(CONFIG_ARCH_MSM) && defined(TDLS_MGMT_VERSION2)
/* Some customer platform back ported this feature from kernel 3.15 to kernel 3.10
* and that cuases build error
*/
BCM_REFERENCE(peer_capability);
#endif /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */
switch (action_code) {
/* We need to set TDLS Wifi Display IE to firmware
* using tdls_wfd_ie iovar
*/
case WLAN_TDLS_SET_PROBE_WFD_IE:
WL_ERR(("%s WLAN_TDLS_SET_PROBE_WFD_IE\n", __FUNCTION__));
info.mode = TDLS_WFD_PROBE_IE_TX;
memcpy(&info.data, buf, len);
info.length = len;
break;
case WLAN_TDLS_SET_SETUP_WFD_IE:
WL_ERR(("%s WLAN_TDLS_SET_SETUP_WFD_IE\n", __FUNCTION__));
info.mode = TDLS_WFD_IE_TX;
memcpy(&info.data, buf, len);
info.length = len;
break;
case WLAN_TDLS_SET_WFD_ENABLED:
WL_ERR(("%s WLAN_TDLS_SET_MODE_WFD_ENABLED\n", __FUNCTION__));
dhd_tdls_set_mode((dhd_pub_t *)(cfg->pub), true);
goto out;
case WLAN_TDLS_SET_WFD_DISABLED:
WL_ERR(("%s WLAN_TDLS_SET_MODE_WFD_DISABLED\n", __FUNCTION__));
dhd_tdls_set_mode((dhd_pub_t *)(cfg->pub), false);
goto out;
default:
WL_ERR(("Unsupported action code : %d\n", action_code));
goto out;
}
ret = wldev_iovar_setbuf(dev, "tdls_wfd_ie", &info, sizeof(info),
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
if (ret) {
WL_ERR(("tdls_wfd_ie error %d\n", ret));
}
out:
#endif /* WLTDLS */
return ret;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
static s32
wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, enum nl80211_tdls_operation oper)
#else
static s32
wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, enum nl80211_tdls_operation oper)
#endif // endif
{
s32 ret = 0;
#ifdef WLTDLS
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
tdls_iovar_t info;
dhd_pub_t *dhdp;
bool tdls_auto_mode = false;
dhdp = (dhd_pub_t *)(cfg->pub);
memset(&info, 0, sizeof(tdls_iovar_t));
if (peer) {
memcpy(&info.ea, peer, ETHER_ADDR_LEN);
} else {
return -1;
}
switch (oper) {
case NL80211_TDLS_DISCOVERY_REQ:
/* If the discovery request is broadcast then we need to set
* info.mode to Tunneled Probe Request
*/
if (memcmp(peer, (const uint8 *)BSSID_BROADCAST, ETHER_ADDR_LEN) == 0) {
info.mode = TDLS_MANUAL_EP_WFD_TPQ;
WL_ERR(("%s TDLS TUNNELED PRBOBE REQUEST\n", __FUNCTION__));
} else {
info.mode = TDLS_MANUAL_EP_DISCOVERY;
}
break;
case NL80211_TDLS_SETUP:
if (dhdp->tdls_mode == true) {
info.mode = TDLS_MANUAL_EP_CREATE;
tdls_auto_mode = false;
/* Do tear down and create a fresh one */
ret = wl_cfg80211_tdls_config(cfg, TDLS_STATE_TEARDOWN, tdls_auto_mode);
if (ret < 0) {
return ret;
}
} else {
tdls_auto_mode = true;
}
break;
case NL80211_TDLS_TEARDOWN:
info.mode = TDLS_MANUAL_EP_DELETE;
break;
default:
WL_ERR(("Unsupported operation : %d\n", oper));
goto out;
}
/* turn on TDLS */
ret = wl_cfg80211_tdls_config(cfg, TDLS_STATE_SETUP, tdls_auto_mode);
if (ret < 0) {
return ret;
}
if (info.mode) {
ret = wldev_iovar_setbuf(dev, "tdls_endpoint", &info, sizeof(info),
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
if (ret) {
WL_ERR(("tdls_endpoint error %d\n", ret));
}
}
out:
if (ret) {
wl_flush_fw_log_buffer(dev, FW_LOGSET_MASK_ALL);
return -ENOTSUPP;
}
#endif /* WLTDLS */
return ret;
}
#endif /* LINUX_VERSION > VERSION(3,2,0) || WL_COMPAT_WIRELESS */
s32 wl_cfg80211_set_wps_p2p_ie(struct net_device *ndev, char *buf, int len,
enum wl_management_type type)
{
struct bcm_cfg80211 *cfg;
s32 ret = 0;
struct ether_addr primary_mac;
s32 bssidx = 0;
s32 pktflag = 0;
cfg = wl_get_cfg(ndev);
if (wl_get_drv_status(cfg, AP_CREATING, ndev)) {
/* Vendor IEs should be set to FW
* after SoftAP interface is brought up
*/
WL_DBG(("Skipping set IE since AP is not up \n"));
goto exit;
} else if (ndev == bcmcfg_to_prmry_ndev(cfg)) {
/* Either stand alone AP case or P2P discovery */
if (wl_get_drv_status(cfg, AP_CREATED, ndev)) {
/* Stand alone AP case on primary interface */
WL_DBG(("Apply IEs for Primary AP Interface \n"));
bssidx = 0;
} else {
if (!cfg->p2p) {
/* If p2p not initialized, return failure */
WL_ERR(("P2P not initialized \n"));
goto exit;
}
/* P2P Discovery case (p2p listen) */
if (!cfg->p2p->on) {
/* Turn on Discovery interface */
get_primary_mac(cfg, &primary_mac);
wl_cfgp2p_generate_bss_mac(cfg, &primary_mac);
p2p_on(cfg) = true;
ret = wl_cfgp2p_enable_discovery(cfg, ndev, NULL, 0);
if (unlikely(ret)) {
WL_ERR(("Enable discovery failed \n"));
goto exit;
}
}
WL_DBG(("Apply IEs for P2P Discovery Iface \n"));
ndev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_PRIMARY);
bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE);
}
} else {
/* Virtual AP/ P2P Group Interface */
WL_DBG(("Apply IEs for iface:%s\n", ndev->name));
bssidx = wl_get_bssidx_by_wdev(cfg, ndev->ieee80211_ptr);
}
if (ndev != NULL) {
switch (type) {
case WL_BEACON:
pktflag = VNDR_IE_BEACON_FLAG;
break;
case WL_PROBE_RESP:
pktflag = VNDR_IE_PRBRSP_FLAG;
break;
case WL_ASSOC_RESP:
pktflag = VNDR_IE_ASSOCRSP_FLAG;
break;
}
if (pktflag) {
ret = wl_cfg80211_set_mgmt_vndr_ies(cfg,
ndev_to_cfgdev(ndev), bssidx, pktflag, buf, len);
}
}
exit:
return ret;
}
#ifdef WL_SUPPORT_AUTO_CHANNEL
static s32
wl_cfg80211_set_auto_channel_scan_state(struct net_device *ndev)
{
u32 val = 0;
s32 ret = BCME_ERROR;
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
/* Set interface up, explicitly. */
val = 1;
ret = wldev_ioctl_set(ndev, WLC_UP, (void *)&val, sizeof(val));
if (ret < 0) {
WL_ERR(("set interface up failed, error = %d\n", ret));
goto done;
}
/* Stop all scan explicitly, till auto channel selection complete. */
wl_set_drv_status(cfg, SCANNING, ndev);
if (cfg->escan_info.ndev == NULL) {
ret = BCME_OK;
goto done;
}
ret = wl_notify_escan_complete(cfg, ndev, true, true);
if (ret < 0) {
WL_ERR(("set scan abort failed, error = %d\n", ret));
ret = BCME_OK; // terence 20140115: fix escan_complete error
goto done;
}
done:
return ret;
}
static bool
wl_cfg80211_valid_channel_p2p(int channel)
{
bool valid = false;
/* channel 1 to 14 */
if ((channel >= 1) && (channel <= 14)) {
valid = true;
}
/* channel 36 to 48 */
else if ((channel >= 36) && (channel <= 48)) {
valid = true;
}
/* channel 149 to 161 */
else if ((channel >= 149) && (channel <= 161)) {
valid = true;
}
else {
valid = false;
WL_INFORM(("invalid P2P chanspec, channel = %d\n", channel));
}
return valid;
}
s32
wl_cfg80211_get_chanspecs_2g(struct net_device *ndev, void *buf, s32 buflen)
{
s32 ret = BCME_ERROR;
struct bcm_cfg80211 *cfg = NULL;
chanspec_t chanspec = 0;
cfg = wl_get_cfg(ndev);
/* Restrict channels to 2.4GHz, 20MHz BW, no SB. */
chanspec |= (WL_CHANSPEC_BAND_2G | WL_CHANSPEC_BW_20 |
WL_CHANSPEC_CTL_SB_NONE);
chanspec = wl_chspec_host_to_driver(chanspec);
ret = wldev_iovar_getbuf_bsscfg(ndev, "chanspecs", (void *)&chanspec,
sizeof(chanspec), buf, buflen, 0, &cfg->ioctl_buf_sync);
if (ret < 0) {
WL_ERR(("get 'chanspecs' failed, error = %d\n", ret));
}
return ret;
}
s32
wl_cfg80211_get_chanspecs_5g(struct net_device *ndev, void *buf, s32 buflen)
{
u32 channel = 0;
s32 ret = BCME_ERROR;
s32 i = 0;
s32 j = 0;
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
wl_uint32_list_t *list = NULL;
chanspec_t chanspec = 0;
/* Restrict channels to 5GHz, 20MHz BW, no SB. */
chanspec |= (WL_CHANSPEC_BAND_5G | WL_CHANSPEC_BW_20 |
WL_CHANSPEC_CTL_SB_NONE);
chanspec = wl_chspec_host_to_driver(chanspec);
ret = wldev_iovar_getbuf_bsscfg(ndev, "chanspecs", (void *)&chanspec,
sizeof(chanspec), buf, buflen, 0, &cfg->ioctl_buf_sync);
if (ret < 0) {
WL_ERR(("get 'chanspecs' failed, error = %d\n", ret));
goto done;
}
list = (wl_uint32_list_t *)buf;
/* Skip DFS and inavlid P2P channel. */
for (i = 0, j = 0; i < dtoh32(list->count); i++) {
chanspec = (chanspec_t) dtoh32(list->element[i]);
channel = CHSPEC_CHANNEL(chanspec);
ret = wldev_iovar_getint(ndev, "per_chan_info", &channel);
if (ret < 0) {
WL_ERR(("get 'per_chan_info' failed, error = %d\n", ret));
goto done;
}
if (CHANNEL_IS_RADAR(channel) ||
!(wl_cfg80211_valid_channel_p2p(CHSPEC_CHANNEL(chanspec)))) {
continue;
} else {
list->element[j] = list->element[i];
}
j++;
}
list->count = j;
done:
return ret;
}
static s32
wl_cfg80211_get_best_channel(struct net_device *ndev, void *buf, int buflen,
int *channel)
{
s32 ret = BCME_ERROR;
int chosen = 0;
int retry = 0;
uint chip;
/* Start auto channel selection scan. */
ret = wldev_ioctl_set(ndev, WLC_START_CHANNEL_SEL, buf, buflen);
if (ret < 0) {
WL_ERR(("can't start auto channel scan, error = %d\n", ret));
*channel = 0;
goto done;
}
/* Wait for auto channel selection, worst case possible delay is 5250ms. */
retry = CHAN_SEL_RETRY_COUNT;
while (retry--) {
OSL_SLEEP(CHAN_SEL_IOCTL_DELAY);
chosen = 0;
ret = wldev_ioctl_get(ndev, WLC_GET_CHANNEL_SEL, &chosen, sizeof(chosen));
if ((ret == 0) && (dtoh32(chosen) != 0)) {
chip = dhd_conf_get_chip(dhd_get_pub(ndev));
if (chip != BCM43362_CHIP_ID && chip != BCM4330_CHIP_ID &&
chip != BCM43143_CHIP_ID) {
u32 chanspec = 0;
int ctl_chan;
chanspec = wl_chspec_driver_to_host(chosen);
WL_INFORM(("selected chanspec = 0x%x\n", chanspec));
ctl_chan = wf_chspec_ctlchan(chanspec);
WL_INFORM(("selected ctl_chan = %d\n", ctl_chan));
*channel = (u16)(ctl_chan & 0x00FF);
} else
*channel = (u16)(chosen & 0x00FF);
WL_INFORM(("selected channel = %d\n", *channel));
break;
}
WL_INFORM(("attempt = %d, ret = %d, chosen = %d\n",
(CHAN_SEL_RETRY_COUNT - retry), ret, dtoh32(chosen)));
}
if (retry <= 0) {
WL_ERR(("failure, auto channel selection timed out\n"));
*channel = 0;
ret = BCME_ERROR;
}
WL_INFORM(("selected channel = %d\n", *channel));
done:
return ret;
}
static s32
wl_cfg80211_restore_auto_channel_scan_state(struct net_device *ndev)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
/* Clear scan stop driver status. */
wl_clr_drv_status(cfg, SCANNING, ndev);
return BCME_OK;
}
s32
wl_cfg80211_get_best_channels(struct net_device *dev, char* cmd, int total_len)
{
int channel = 0, band, band_cur;
s32 ret = BCME_ERROR;
u8 *buf = NULL;
char *pos = cmd;
struct bcm_cfg80211 *cfg = NULL;
struct net_device *ndev = NULL;
memset(cmd, 0, total_len);
cfg = wl_get_cfg(dev);
buf = (u8 *)MALLOC(cfg->osh, CHANSPEC_BUF_SIZE);
if (buf == NULL) {
WL_ERR(("failed to allocate chanspec buffer\n"));
return -ENOMEM;
}
/*
* Always use primary interface, irrespective of interface on which
* command came.
*/
ndev = bcmcfg_to_prmry_ndev(cfg);
/*
* Make sure that FW and driver are in right state to do auto channel
* selection scan.
*/
ret = wl_cfg80211_set_auto_channel_scan_state(ndev);
if (ret < 0) {
WL_ERR(("can't set auto channel scan state, error = %d\n", ret));
goto done;
}
ret = wldev_ioctl(dev, WLC_GET_BAND, &band_cur, sizeof(band_cur), false);
if (band_cur != WLC_BAND_5G) {
/* Best channel selection in 2.4GHz band. */
ret = wl_cfg80211_get_chanspecs_2g(ndev, (void *)buf, CHANSPEC_BUF_SIZE);
if (ret < 0) {
WL_ERR(("can't get chanspecs in 2.4GHz, error = %d\n", ret));
goto done;
}
ret = wl_cfg80211_get_best_channel(ndev, (void *)buf, CHANSPEC_BUF_SIZE,
&channel);
if (ret < 0) {
WL_ERR(("can't select best channel scan in 2.4GHz, error = %d\n", ret));
goto done;
}
if (CHANNEL_IS_2G(channel)) {
// channel = ieee80211_channel_to_frequency(channel, IEEE80211_BAND_2GHZ);
} else {
WL_ERR(("invalid 2.4GHz channel, channel = %d\n", channel));
channel = 0;
}
pos += snprintf(pos, total_len, "2g=%d ", channel);
}
if (band_cur != WLC_BAND_2G) {
// terence 20140120: fix for some chipsets only return 2.4GHz channel (4330b2/43341b0/4339a0)
band = band_cur==WLC_BAND_2G ? band_cur : WLC_BAND_5G;
ret = wldev_ioctl(dev, WLC_SET_BAND, &band, sizeof(band), true);
if (ret < 0) {
WL_ERR(("WLC_SET_BAND error %d\n", ret));
goto done;
}
/* Best channel selection in 5GHz band. */
ret = wl_cfg80211_get_chanspecs_5g(ndev, (void *)buf, CHANSPEC_BUF_SIZE);
if (ret < 0) {
WL_ERR(("can't get chanspecs in 5GHz, error = %d\n", ret));
goto done;
}
ret = wl_cfg80211_get_best_channel(ndev, (void *)buf, CHANSPEC_BUF_SIZE,
&channel);
if (ret < 0) {
WL_ERR(("can't select best channel scan in 5GHz, error = %d\n", ret));
goto done;
}
if (CHANNEL_IS_5G(channel)) {
// channel = ieee80211_channel_to_frequency(channel, IEEE80211_BAND_5GHZ);
} else {
WL_ERR(("invalid 5GHz channel, channel = %d\n", channel));
channel = 0;
}
ret = wldev_ioctl(dev, WLC_SET_BAND, &band_cur, sizeof(band_cur), true);
if (ret < 0)
WL_ERR(("WLC_SET_BAND error %d\n", ret));
pos += snprintf(pos, total_len, "5g=%d ", channel);
}
done:
if (NULL != buf) {
MFREE(cfg->osh, buf, CHANSPEC_BUF_SIZE);
}
/* Restore FW and driver back to normal state. */
ret = wl_cfg80211_restore_auto_channel_scan_state(ndev);
if (ret < 0) {
WL_ERR(("can't restore auto channel scan state, error = %d\n", ret));
}
WL_MSG(ndev->name, "%s\n", cmd);
return (pos - cmd);
}
#endif /* WL_SUPPORT_AUTO_CHANNEL */
static const struct rfkill_ops wl_rfkill_ops = {
.set_block = wl_rfkill_set
};
static int wl_rfkill_set(void *data, bool blocked)
{
struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)data;
WL_DBG(("Enter \n"));
WL_DBG(("RF %s\n", blocked ? "blocked" : "unblocked"));
if (!cfg)
return -EINVAL;
cfg->rf_blocked = blocked;
return 0;
}
static int wl_setup_rfkill(struct bcm_cfg80211 *cfg, bool setup)
{
s32 err = 0;
WL_DBG(("Enter \n"));
if (!cfg)
return -EINVAL;
if (setup) {
cfg->rfkill = rfkill_alloc("brcmfmac-wifi",
wl_cfg80211_get_parent_dev(),
RFKILL_TYPE_WLAN, &wl_rfkill_ops, (void *)cfg);
if (!cfg->rfkill) {
err = -ENOMEM;
goto err_out;
}
err = rfkill_register(cfg->rfkill);
if (err)
rfkill_destroy(cfg->rfkill);
} else {
if (!cfg->rfkill) {
err = -ENOMEM;
goto err_out;
}
rfkill_unregister(cfg->rfkill);
rfkill_destroy(cfg->rfkill);
}
err_out:
return err;
}
#ifdef DEBUGFS_CFG80211
/**
* Format : echo "SCAN:1 DBG:1" > /sys/kernel/debug/dhd/debug_level
* to turn on SCAN and DBG log.
* To turn off SCAN partially, echo "SCAN:0" > /sys/kernel/debug/dhd/debug_level
* To see current setting of debug level,
* cat /sys/kernel/debug/dhd/debug_level
*/
static ssize_t
wl_debuglevel_write(struct file *file, const char __user *userbuf,
size_t count, loff_t *ppos)
{
char tbuf[SUBLOGLEVELZ * ARRAYSIZE(sublogname_map)], sublog[SUBLOGLEVELZ];
char *params, *token, *colon;
uint i, tokens, log_on = 0;
size_t minsize = min_t(size_t, (sizeof(tbuf) - 1), count);
memset(tbuf, 0, sizeof(tbuf));
memset(sublog, 0, sizeof(sublog));
if (copy_from_user(&tbuf, userbuf, minsize)) {
return -EFAULT;
}
tbuf[minsize] = '\0';
params = &tbuf[0];
colon = strchr(params, '\n');
if (colon != NULL)
*colon = '\0';
while ((token = strsep(&params, " ")) != NULL) {
memset(sublog, 0, sizeof(sublog));
if (token == NULL || !*token)
break;
if (*token == '\0')
continue;
colon = strchr(token, ':');
if (colon != NULL) {
*colon = ' ';
}
tokens = sscanf(token, "%"S(SUBLOGLEVEL)"s %u", sublog, &log_on);
if (colon != NULL)
*colon = ':';
if (tokens == 2) {
for (i = 0; i < ARRAYSIZE(sublogname_map); i++) {
if (!strncmp(sublog, sublogname_map[i].sublogname,
strlen(sublogname_map[i].sublogname))) {
if (log_on)
wl_dbg_level |=
(sublogname_map[i].log_level);
else
wl_dbg_level &=
~(sublogname_map[i].log_level);
}
}
} else
WL_ERR(("%s: can't parse '%s' as a "
"SUBMODULE:LEVEL (%d tokens)\n",
tbuf, token, tokens));
}
return count;
}
static ssize_t
wl_debuglevel_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
char *param;
char tbuf[SUBLOGLEVELZ * ARRAYSIZE(sublogname_map)];
uint i;
memset(tbuf, 0, sizeof(tbuf));
param = &tbuf[0];
for (i = 0; i < ARRAYSIZE(sublogname_map); i++) {
param += snprintf(param, sizeof(tbuf) - 1, "%s:%d ",
sublogname_map[i].sublogname,
(wl_dbg_level & sublogname_map[i].log_level) ? 1 : 0);
}
*param = '\n';
return simple_read_from_buffer(user_buf, count, ppos, tbuf, strlen(&tbuf[0]));
}
static const struct file_operations fops_debuglevel = {
.open = NULL,
.write = wl_debuglevel_write,
.read = wl_debuglevel_read,
.owner = THIS_MODULE,
.llseek = NULL,
};
static s32 wl_setup_debugfs(struct bcm_cfg80211 *cfg)
{
s32 err = 0;
struct dentry *_dentry;
if (!cfg)
return -EINVAL;
cfg->debugfs = debugfs_create_dir(KBUILD_MODNAME, NULL);
if (!cfg->debugfs || IS_ERR(cfg->debugfs)) {
if (cfg->debugfs == ERR_PTR(-ENODEV))
WL_ERR(("Debugfs is not enabled on this kernel\n"));
else
WL_ERR(("Can not create debugfs directory\n"));
cfg->debugfs = NULL;
goto exit;
}
_dentry = debugfs_create_file("debug_level", S_IRUSR | S_IWUSR,
cfg->debugfs, cfg, &fops_debuglevel);
if (!_dentry || IS_ERR(_dentry)) {
WL_ERR(("failed to create debug_level debug file\n"));
wl_free_debugfs(cfg);
}
exit:
return err;
}
static s32 wl_free_debugfs(struct bcm_cfg80211 *cfg)
{
if (!cfg)
return -EINVAL;
if (cfg->debugfs)
debugfs_remove_recursive(cfg->debugfs);
cfg->debugfs = NULL;
return 0;
}
#endif /* DEBUGFS_CFG80211 */
struct bcm_cfg80211 *wl_cfg80211_get_bcmcfg(void)
{
return g_bcmcfg;
}
void wl_cfg80211_set_bcmcfg(struct bcm_cfg80211 *cfg)
{
g_bcmcfg = cfg;
}
struct device *wl_cfg80211_get_parent_dev(void)
{
return cfg80211_parent_dev;
}
void wl_cfg80211_set_parent_dev(void *dev)
{
cfg80211_parent_dev = dev;
}
static void wl_cfg80211_clear_parent_dev(void)
{
cfg80211_parent_dev = NULL;
}
void get_primary_mac(struct bcm_cfg80211 *cfg, struct ether_addr *mac)
{
u8 ioctl_buf[WLC_IOCTL_SMLEN];
if (wldev_iovar_getbuf_bsscfg(bcmcfg_to_prmry_ndev(cfg),
"cur_etheraddr", NULL, 0, ioctl_buf, sizeof(ioctl_buf),
0, NULL) == BCME_OK) {
memcpy(mac->octet, ioctl_buf, ETHER_ADDR_LEN);
} else {
memset(mac->octet, 0, ETHER_ADDR_LEN);
}
}
static bool check_dev_role_integrity(struct bcm_cfg80211 *cfg, u32 dev_role)
{
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
if (((dev_role == NL80211_IFTYPE_AP) &&
!(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) ||
((dev_role == NL80211_IFTYPE_P2P_GO) &&
!(dhd->op_mode & DHD_FLAG_P2P_GO_MODE)))
{
WL_ERR(("device role select failed role:%d op_mode:%d \n", dev_role, dhd->op_mode));
return false;
}
return true;
}
int wl_cfg80211_do_driver_init(struct net_device *net)
{
struct bcm_cfg80211 *cfg = *(struct bcm_cfg80211 **)netdev_priv(net);
if (!cfg || !cfg->wdev)
return -EINVAL;
if (dhd_do_driver_init(cfg->wdev->netdev) < 0)
return -1;
return 0;
}
void wl_cfg80211_enable_trace(u32 level)
{
wl_dbg_level = level;
WL_MSG("wlan", "wl_dbg_level = 0x%x\n", wl_dbg_level);
}
#if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \
2, 0))
static s32
wl_cfg80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
bcm_struct_cfgdev *cfgdev, u64 cookie)
{
/* CFG80211 checks for tx_cancel_wait callback when ATTR_DURATION
* is passed with CMD_FRAME. This callback is supposed to cancel
* the OFFCHANNEL Wait. Since we are already taking care of that
* with the tx_mgmt logic, do nothing here.
*/
return 0;
}
#endif /* WL_SUPPORT_BACKPORTED_PATCHES || KERNEL >= 3.2.0 */
#ifdef WL11U
static bcm_tlv_t *
wl_cfg80211_find_interworking_ie(const u8 *parse, u32 len)
{
bcm_tlv_t *ie;
/* unfortunately it's too much work to dispose the const cast - bcm_parse_tlvs
* is used everywhere and changing its prototype to take const qualifier needs
* a massive change to all its callers...
*/
if ((ie = bcm_parse_tlvs(parse, len, DOT11_MNG_INTERWORKING_ID))) {
return ie;
}
return NULL;
}
static s32
wl_cfg80211_clear_iw_ie(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 bssidx)
{
ie_setbuf_t ie_setbuf;
WL_DBG(("clear interworking IE\n"));
memset(&ie_setbuf, 0, sizeof(ie_setbuf_t));
ie_setbuf.ie_buffer.iecount = htod32(1);
ie_setbuf.ie_buffer.ie_list[0].ie_data.id = DOT11_MNG_INTERWORKING_ID;
ie_setbuf.ie_buffer.ie_list[0].ie_data.len = 0;
return wldev_iovar_setbuf_bsscfg(ndev, "ie", &ie_setbuf, sizeof(ie_setbuf),
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
}
static s32
wl_cfg80211_add_iw_ie(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 bssidx, s32 pktflag,
uint8 ie_id, uint8 *data, uint8 data_len)
{
s32 err = BCME_OK;
s32 buf_len;
ie_setbuf_t *ie_setbuf;
ie_getbuf_t ie_getbufp;
char getbuf[WLC_IOCTL_SMLEN];
if (ie_id != DOT11_MNG_INTERWORKING_ID) {
WL_ERR(("unsupported (id=%d)\n", ie_id));
return BCME_UNSUPPORTED;
}
/* access network options (1 octet) is the mandatory field */
if (!data || data_len == 0 || data_len > IW_IES_MAX_BUF_LEN) {
WL_ERR(("wrong interworking IE (len=%d)\n", data_len));
return BCME_BADARG;
}
/* Validate the pktflag parameter */
if ((pktflag & ~(VNDR_IE_BEACON_FLAG | VNDR_IE_PRBRSP_FLAG |
VNDR_IE_ASSOCRSP_FLAG | VNDR_IE_AUTHRSP_FLAG |
VNDR_IE_PRBREQ_FLAG | VNDR_IE_ASSOCREQ_FLAG|
VNDR_IE_CUSTOM_FLAG))) {
WL_ERR(("invalid packet flag 0x%x\n", pktflag));
return BCME_BADARG;
}
buf_len = sizeof(ie_setbuf_t) + data_len - 1;
ie_getbufp.id = DOT11_MNG_INTERWORKING_ID;
if (wldev_iovar_getbuf_bsscfg(ndev, "ie", (void *)&ie_getbufp,
sizeof(ie_getbufp), getbuf, WLC_IOCTL_SMLEN, bssidx, &cfg->ioctl_buf_sync)
== BCME_OK) {
if (!memcmp(&getbuf[TLV_HDR_LEN], data, data_len)) {
WL_DBG(("skip to set interworking IE\n"));
return BCME_OK;
}
}
/* if already set with previous values, delete it first */
if (cfg->wl11u) {
if ((err = wl_cfg80211_clear_iw_ie(cfg, ndev, bssidx)) != BCME_OK) {
return err;
}
}
ie_setbuf = (ie_setbuf_t *)MALLOCZ(cfg->osh, buf_len);
if (!ie_setbuf) {
WL_ERR(("Error allocating buffer for IE\n"));
return -ENOMEM;
}
strncpy(ie_setbuf->cmd, "add", sizeof(ie_setbuf->cmd));
ie_setbuf->cmd[sizeof(ie_setbuf->cmd) - 1] = '\0';
/* Buffer contains only 1 IE */
ie_setbuf->ie_buffer.iecount = htod32(1);
/* use VNDR_IE_CUSTOM_FLAG flags for none vendor IE . currently fixed value */
ie_setbuf->ie_buffer.ie_list[0].pktflag = htod32(pktflag);
/* Now, add the IE to the buffer */
ie_setbuf->ie_buffer.ie_list[0].ie_data.id = DOT11_MNG_INTERWORKING_ID;
ie_setbuf->ie_buffer.ie_list[0].ie_data.len = data_len;
memcpy((uchar *)&ie_setbuf->ie_buffer.ie_list[0].ie_data.data[0], data, data_len);
if ((err = wldev_iovar_setbuf_bsscfg(ndev, "ie", ie_setbuf, buf_len,
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync))
== BCME_OK) {
WL_DBG(("set interworking IE\n"));
cfg->wl11u = TRUE;
err = wldev_iovar_setint_bsscfg(ndev, "grat_arp", 1, bssidx);
}
MFREE(cfg->osh, ie_setbuf, buf_len);
return err;
}
#endif /* WL11U */
#ifdef WL_HOST_BAND_MGMT
s32
wl_cfg80211_set_band(struct net_device *ndev, int band)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
int ret = 0;
char ioctl_buf[50];
if ((band < WLC_BAND_AUTO) || (band > WLC_BAND_2G)) {
WL_ERR(("Invalid band\n"));
return -EINVAL;
}
if ((ret = wldev_iovar_setbuf(ndev, "roam_band", &band,
sizeof(int), ioctl_buf, sizeof(ioctl_buf), NULL)) < 0) {
WL_ERR(("seting roam_band failed code=%d\n", ret));
return ret;
}
WL_DBG(("Setting band to %d\n", band));
cfg->curr_band = band;
return 0;
}
#endif /* WL_HOST_BAND_MGMT */
s32
wl_cfg80211_set_if_band(struct net_device *ndev, int band)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
int ret = 0, wait_cnt;
char ioctl_buf[32];
if ((band < WLC_BAND_AUTO) || (band > WLC_BAND_2G)) {
WL_ERR(("Invalid band\n"));
return -EINVAL;
}
if (wl_get_drv_status(cfg, CONNECTED, ndev)) {
ret = wldev_ioctl_set(ndev, WLC_DISASSOC, NULL, 0);
if (ret < 0) {
WL_ERR(("WLC_DISASSOC error %d\n", ret));
/* continue to set 'if_band' */
}
else {
/* This is to ensure that 'if_band' iovar is issued only after
* disconnection is completed
*/
wait_cnt = WAIT_FOR_DISCONNECT_MAX;
while (wl_get_drv_status(cfg, CONNECTED, ndev) && wait_cnt) {
WL_DBG(("Wait until disconnected. wait_cnt: %d\n", wait_cnt));
wait_cnt--;
OSL_SLEEP(50);
}
}
}
if ((ret = wldev_iovar_setbuf(ndev, "if_band", &band,
sizeof(int), ioctl_buf, sizeof(ioctl_buf), NULL)) < 0) {
WL_ERR(("seting if_band failed ret=%d\n", ret));
/* issue 'WLC_SET_BAND' if if_band is not supported */
if (ret == BCME_UNSUPPORTED) {
ret = wldev_set_band(ndev, band);
if (ret < 0) {
WL_ERR(("seting band failed ret=%d\n", ret));
}
}
}
return ret;
}
s32
wl_cfg80211_dfs_ap_move(struct net_device *ndev, char *data, char *command, int total_len)
{
char ioctl_buf[WLC_IOCTL_SMLEN];
int err = 0;
uint32 val = 0;
chanspec_t chanspec = 0;
int abort;
int bytes_written = 0;
struct wl_dfs_ap_move_status_v2 *status;
char chanbuf[CHANSPEC_STR_LEN];
const char *dfs_state_str[DFS_SCAN_S_MAX] = {
"Radar Free On Channel",
"Radar Found On Channel",
"Radar Scan In Progress",
"Radar Scan Aborted",
"RSDB Mode switch in Progress For Scan"
};
if (ndev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) {
bytes_written = snprintf(command, total_len, "AP is not up\n");
return bytes_written;
}
if (!*data) {
if ((err = wldev_iovar_getbuf(ndev, "dfs_ap_move", NULL, 0,
ioctl_buf, sizeof(ioctl_buf), NULL))) {
WL_ERR(("setting dfs_ap_move failed with err=%d \n", err));
return err;
}
status = (struct wl_dfs_ap_move_status_v2 *)ioctl_buf;
if (status->version != WL_DFS_AP_MOVE_VERSION) {
err = BCME_UNSUPPORTED;
WL_ERR(("err=%d version=%d\n", err, status->version));
return err;
}
if (status->move_status != (int8) DFS_SCAN_S_IDLE) {
chanspec = wl_chspec_driver_to_host(status->chanspec);
if (chanspec != 0 && chanspec != INVCHANSPEC) {
wf_chspec_ntoa(chanspec, chanbuf);
bytes_written = snprintf(command, total_len,
"AP Target Chanspec %s (0x%x)\n", chanbuf, chanspec);
}
bytes_written += snprintf(command + bytes_written,
total_len - bytes_written,
"%s\n", dfs_state_str[status->move_status]);
return bytes_written;
} else {
bytes_written = snprintf(command, total_len, "dfs AP move in IDLE state\n");
return bytes_written;
}
}
abort = bcm_atoi(data);
if (abort == -1) {
if ((err = wldev_iovar_setbuf(ndev, "dfs_ap_move", &abort,
sizeof(int), ioctl_buf, sizeof(ioctl_buf), NULL)) < 0) {
WL_ERR(("seting dfs_ap_move failed with err %d\n", err));
return err;
}
} else {
chanspec = wf_chspec_aton(data);
if (chanspec != 0) {
val = wl_chspec_host_to_driver(chanspec);
if (val != INVCHANSPEC) {
if ((err = wldev_iovar_setbuf(ndev, "dfs_ap_move", &val,
sizeof(int), ioctl_buf, sizeof(ioctl_buf), NULL)) < 0) {
WL_ERR(("seting dfs_ap_move failed with err %d\n", err));
return err;
}
WL_DBG((" set dfs_ap_move successfull"));
} else {
err = BCME_USAGE_ERROR;
}
}
}
return err;
}
int wl_cfg80211_scan_stop(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev)
{
struct net_device *ndev = NULL;
unsigned long flags;
int clear_flag = 0;
int ret = 0;
WL_TRACE(("Enter\n"));
if (!cfg || !cfgdev)
return -EINVAL;
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
spin_lock_irqsave(&cfg->cfgdrv_lock, flags);
#ifdef WL_CFG80211_P2P_DEV_IF
if (cfg->scan_request && cfg->scan_request->wdev == cfgdev)
#else
if (cfg->scan_request && cfg->scan_request->dev == cfgdev)
#endif // endif
{
wl_notify_scan_done(cfg, true);
cfg->scan_request = NULL;
clear_flag = 1;
}
spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags);
if (clear_flag)
wl_clr_drv_status(cfg, SCANNING, ndev);
return ret;
}
bool wl_cfg80211_is_concurrent_mode(struct net_device *dev)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
if ((cfg) && (wl_get_drv_status_all(cfg, CONNECTED) > 1)) {
return true;
} else {
return false;
}
}
void* wl_cfg80211_get_dhdp(struct net_device *dev)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
return cfg->pub;
}
bool wl_cfg80211_is_p2p_active(struct net_device *dev)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
return (cfg && cfg->p2p);
}
bool wl_cfg80211_is_roam_offload(struct net_device * dev)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
return (cfg && cfg->roam_offload);
}
bool wl_cfg80211_is_event_from_connected_bssid(struct net_device * dev, const wl_event_msg_t *e,
int ifidx)
{
u8 *curbssid = NULL;
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
if (!cfg) {
return NULL;
}
curbssid = wl_read_prof(cfg, dev, WL_PROF_BSSID);
if (memcmp(curbssid, &e->addr, ETHER_ADDR_LEN) == 0) {
return true;
}
return false;
}
static void wl_cfg80211_work_handler(struct work_struct * work)
{
struct bcm_cfg80211 *cfg = NULL;
struct net_info *iter, *next;
s32 err = BCME_OK;
s32 pm = PM_FAST;
dhd_pub_t *dhd;
BCM_SET_CONTAINER_OF(cfg, work, struct bcm_cfg80211, pm_enable_work.work);
WL_DBG(("Enter \n"));
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic push")
_Pragma("GCC diagnostic ignored \"-Wcast-qual\"")
#endif // endif
for_each_ndev(cfg, iter, next) {
/* p2p discovery iface ndev could be null */
if (iter->ndev) {
if (!wl_get_drv_status(cfg, CONNECTED, iter->ndev) ||
(wl_get_mode_by_netdev(cfg, iter->ndev) != WL_MODE_BSS &&
wl_get_mode_by_netdev(cfg, iter->ndev) != WL_MODE_IBSS))
continue;
if (iter->ndev) {
dhd = (dhd_pub_t *)(cfg->pub);
if (dhd_conf_get_pm(dhd) >= 0)
pm = dhd_conf_get_pm(dhd);
if ((err = wldev_ioctl_set(iter->ndev, WLC_SET_PM,
&pm, sizeof(pm))) != 0) {
if (err == -ENODEV)
WL_DBG(("%s:netdev not ready\n",
iter->ndev->name));
else
WL_ERR(("%s:error (%d)\n",
iter->ndev->name, err));
} else
wl_cfg80211_update_power_mode(iter->ndev);
}
}
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic pop")
#endif // endif
DHD_PM_WAKE_UNLOCK(cfg->pub);
}
u8
wl_get_action_category(void *frame, u32 frame_len)
{
u8 category;
u8 *ptr = (u8 *)frame;
if (frame == NULL)
return DOT11_ACTION_CAT_ERR_MASK;
if (frame_len < DOT11_ACTION_HDR_LEN)
return DOT11_ACTION_CAT_ERR_MASK;
category = ptr[DOT11_ACTION_CAT_OFF];
WL_DBG(("Action Category: %d\n", category));
return category;
}
int
wl_get_public_action(void *frame, u32 frame_len, u8 *ret_action)
{
u8 *ptr = (u8 *)frame;
if (frame == NULL || ret_action == NULL)
return BCME_ERROR;
if (frame_len < DOT11_ACTION_HDR_LEN)
return BCME_ERROR;
if (DOT11_ACTION_CAT_PUBLIC != wl_get_action_category(frame, frame_len))
return BCME_ERROR;
*ret_action = ptr[DOT11_ACTION_ACT_OFF];
WL_DBG(("Public Action : %d\n", *ret_action));
return BCME_OK;
}
#ifdef WLFBT
int
wl_cfg80211_get_fbt_key(struct net_device *dev, uint8 *key, int total_len)
{
struct bcm_cfg80211 * cfg = wl_get_cfg(dev);
int bytes_written = -1;
if (total_len < FBT_KEYLEN) {
WL_ERR(("%s: Insufficient buffer \n", __FUNCTION__));
goto end;
}
if (cfg) {
memcpy(key, cfg->fbt_key, FBT_KEYLEN);
bytes_written = FBT_KEYLEN;
} else {
memset(key, 0, FBT_KEYLEN);
WL_ERR(("%s: Failed to copy KCK and KEK \n", __FUNCTION__));
}
prhex("KCK, KEK", (uchar *)key, FBT_KEYLEN);
end:
return bytes_written;
}
#endif /* WLFBT */
static int
wl_cfg80211_delayed_roam(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const struct ether_addr *bssid)
{
s32 err;
wl_event_msg_t e;
bzero(&e, sizeof(e));
e.event_type = cpu_to_be32(WLC_E_ROAM);
memcpy(&e.addr, bssid, ETHER_ADDR_LEN);
/* trigger the roam event handler */
err = wl_notify_roaming_status(cfg, ndev_to_cfgdev(ndev), &e, NULL);
return err;
}
static s32
wl_cfg80211_parse_vndr_ies(const u8 *parse, u32 len,
struct parsed_vndr_ies *vndr_ies)
{
s32 err = BCME_OK;
const vndr_ie_t *vndrie;
const bcm_tlv_t *ie;
struct parsed_vndr_ie_info *parsed_info;
u32 count = 0;
s32 remained_len;
remained_len = (s32)len;
memset(vndr_ies, 0, sizeof(*vndr_ies));
WL_DBG(("---> len %d\n", len));
ie = (const bcm_tlv_t *) parse;
if (!bcm_valid_tlv(ie, remained_len))
ie = NULL;
while (ie) {
if (count >= MAX_VNDR_IE_NUMBER)
break;
if (ie->id == DOT11_MNG_VS_ID) {
vndrie = (const vndr_ie_t *) ie;
/* len should be bigger than OUI length + one data length at least */
if (vndrie->len < (VNDR_IE_MIN_LEN + 1)) {
WL_ERR(("%s: invalid vndr ie. length is too small %d\n",
__FUNCTION__, vndrie->len));
goto end;
}
/* if wpa or wme ie, do not add ie */
if (!bcmp(vndrie->oui, (u8*)WPA_OUI, WPA_OUI_LEN) &&
((vndrie->data[0] == WPA_OUI_TYPE) ||
(vndrie->data[0] == WME_OUI_TYPE))) {
CFGP2P_DBG(("Found WPA/WME oui. Do not add it\n"));
goto end;
}
parsed_info = &vndr_ies->ie_info[count++];
/* save vndr ie information */
parsed_info->ie_ptr = (const char *)vndrie;
parsed_info->ie_len = (vndrie->len + TLV_HDR_LEN);
memcpy(&parsed_info->vndrie, vndrie, sizeof(vndr_ie_t));
vndr_ies->count = count;
WL_DBG(("\t ** OUI "MACOUIDBG", type 0x%02x len:%d\n",
MACOUI2STRDBG(parsed_info->vndrie.oui),
parsed_info->vndrie.data[0], parsed_info->ie_len));
}
end:
ie = bcm_next_tlv(ie, &remained_len);
}
return err;
}
static bool
wl_vndr_ies_exclude_vndr_oui(struct parsed_vndr_ie_info *vndr_info)
{
int i = 0;
while (exclude_vndr_oui_list[i]) {
if (!memcmp(vndr_info->vndrie.oui,
exclude_vndr_oui_list[i],
DOT11_OUI_LEN)) {
return TRUE;
}
i++;
}
return FALSE;
}
static bool
wl_vndr_ies_check_duplicate_vndr_oui(struct bcm_cfg80211 *cfg,
struct parsed_vndr_ie_info *vndr_info)
{
wl_vndr_oui_entry_t *oui_entry = NULL;
unsigned long flags;
spin_lock_irqsave(&cfg->vndr_oui_sync, flags);
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif // endif
list_for_each_entry(oui_entry, &cfg->vndr_oui_list, list) {
if (!memcmp(oui_entry->oui, vndr_info->vndrie.oui, DOT11_OUI_LEN)) {
spin_unlock_irqrestore(&cfg->vndr_oui_sync, flags);
return TRUE;
}
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic pop
#endif // endif
spin_unlock_irqrestore(&cfg->vndr_oui_sync, flags);
return FALSE;
}
static bool
wl_vndr_ies_add_vendor_oui_list(struct bcm_cfg80211 *cfg,
struct parsed_vndr_ie_info *vndr_info)
{
wl_vndr_oui_entry_t *oui_entry = NULL;
unsigned long flags;
oui_entry = (wl_vndr_oui_entry_t *)MALLOC(cfg->osh, sizeof(*oui_entry));
if (oui_entry == NULL) {
WL_ERR(("alloc failed\n"));
return FALSE;
}
memcpy(oui_entry->oui, vndr_info->vndrie.oui, DOT11_OUI_LEN);
INIT_LIST_HEAD(&oui_entry->list);
spin_lock_irqsave(&cfg->vndr_oui_sync, flags);
list_add_tail(&oui_entry->list, &cfg->vndr_oui_list);
spin_unlock_irqrestore(&cfg->vndr_oui_sync, flags);
return TRUE;
}
static void
wl_vndr_ies_clear_vendor_oui_list(struct bcm_cfg80211 *cfg)
{
wl_vndr_oui_entry_t *oui_entry = NULL;
unsigned long flags;
spin_lock_irqsave(&cfg->vndr_oui_sync, flags);
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif // endif
while (!list_empty(&cfg->vndr_oui_list)) {
oui_entry = list_entry(cfg->vndr_oui_list.next, wl_vndr_oui_entry_t, list);
if (oui_entry) {
list_del(&oui_entry->list);
MFREE(cfg->osh, oui_entry, sizeof(*oui_entry));
}
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic pop
#endif // endif
spin_unlock_irqrestore(&cfg->vndr_oui_sync, flags);
}
static int
wl_vndr_ies_get_vendor_oui(struct bcm_cfg80211 *cfg, struct net_device *ndev,
char *vndr_oui, u32 vndr_oui_len)
{
int i;
int vndr_oui_num = 0;
struct wl_connect_info *conn_info = wl_to_conn(cfg);
wl_vndr_oui_entry_t *oui_entry = NULL;
struct parsed_vndr_ie_info *vndr_info;
struct parsed_vndr_ies vndr_ies;
char *pos = vndr_oui;
u32 remained_buf_len = vndr_oui_len;
unsigned long flags;
if (!conn_info->resp_ie_len) {
return BCME_ERROR;
}
wl_vndr_ies_clear_vendor_oui_list(cfg);
if ((wl_cfg80211_parse_vndr_ies((u8 *)conn_info->resp_ie,
conn_info->resp_ie_len, &vndr_ies)) == BCME_OK) {
for (i = 0; i < vndr_ies.count; i++) {
vndr_info = &vndr_ies.ie_info[i];
if (wl_vndr_ies_exclude_vndr_oui(vndr_info)) {
continue;
}
if (wl_vndr_ies_check_duplicate_vndr_oui(cfg, vndr_info)) {
continue;
}
wl_vndr_ies_add_vendor_oui_list(cfg, vndr_info);
vndr_oui_num++;
}
}
if (vndr_oui) {
spin_lock_irqsave(&cfg->vndr_oui_sync, flags);
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif // endif
list_for_each_entry(oui_entry, &cfg->vndr_oui_list, list) {
if (remained_buf_len < VNDR_OUI_STR_LEN) {
spin_unlock_irqrestore(&cfg->vndr_oui_sync, flags);
return BCME_ERROR;
}
pos += snprintf(pos, VNDR_OUI_STR_LEN, "%02X-%02X-%02X ",
oui_entry->oui[0], oui_entry->oui[1], oui_entry->oui[2]);
remained_buf_len -= VNDR_OUI_STR_LEN;
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic pop
#endif // endif
spin_unlock_irqrestore(&cfg->vndr_oui_sync, flags);
}
return vndr_oui_num;
}
void
wl_cfg80211_clear_p2p_disc_ies(struct bcm_cfg80211 *cfg)
{
/* Legacy P2P used to store it in primary dev cache */
s32 index;
struct net_device *ndev;
s32 bssidx;
s32 ret;
s32 vndrie_flag[] = {VNDR_IE_BEACON_FLAG, VNDR_IE_PRBRSP_FLAG,
VNDR_IE_ASSOCRSP_FLAG, VNDR_IE_PRBREQ_FLAG, VNDR_IE_ASSOCREQ_FLAG};
WL_DBG(("Clear IEs for P2P Discovery Iface \n"));
/* certain vendors uses p2p0 interface in addition to
* the dedicated p2p interface supported by the linux
* kernel.
*/
ndev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_PRIMARY);
bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE);
if (bssidx == WL_INVALID) {
WL_DBG(("No discovery I/F available. Do nothing.\n"));
return;
}
for (index = 0; index < ARRAYSIZE(vndrie_flag); index++) {
if ((ret = wl_cfg80211_set_mgmt_vndr_ies(cfg, ndev_to_cfgdev(ndev),
bssidx, vndrie_flag[index], NULL, 0)) < 0) {
if (ret != BCME_NOTFOUND) {
WL_ERR(("vndr_ies clear failed (%d). Ignoring.. \n", ret));
}
}
}
if (cfg->p2p_wdev && (ndev->ieee80211_ptr != cfg->p2p_wdev)) {
/* clear IEs for dedicated p2p interface */
wl_cfg80211_clear_per_bss_ies(cfg, cfg->p2p_wdev);
}
}
s32
wl_cfg80211_clear_per_bss_ies(struct bcm_cfg80211 *cfg, struct wireless_dev *wdev)
{
s32 index;
s32 ret;
struct net_info *netinfo;
s32 vndrie_flag[] = {VNDR_IE_BEACON_FLAG, VNDR_IE_PRBRSP_FLAG,
VNDR_IE_ASSOCRSP_FLAG, VNDR_IE_PRBREQ_FLAG, VNDR_IE_ASSOCREQ_FLAG};
netinfo = wl_get_netinfo_by_wdev(cfg, wdev);
if (!netinfo || !netinfo->wdev) {
WL_ERR(("netinfo or netinfo->wdev is NULL\n"));
return -1;
}
WL_DBG(("clear management vendor IEs for bssidx:%d \n", netinfo->bssidx));
/* Clear the IEs set in the firmware so that host is in sync with firmware */
for (index = 0; index < ARRAYSIZE(vndrie_flag); index++) {
if ((ret = wl_cfg80211_set_mgmt_vndr_ies(cfg, wdev_to_cfgdev(netinfo->wdev),
netinfo->bssidx, vndrie_flag[index], NULL, 0)) < 0)
if (ret != BCME_NOTFOUND) {
WL_ERR(("vndr_ies clear failed. Ignoring.. \n"));
}
}
return 0;
}
s32
wl_cfg80211_clear_mgmt_vndr_ies(struct bcm_cfg80211 *cfg)
{
struct net_info *iter, *next;
WL_DBG(("clear management vendor IEs \n"));
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic push")
_Pragma("GCC diagnostic ignored \"-Wcast-qual\"")
#endif // endif
for_each_ndev(cfg, iter, next) {
wl_cfg80211_clear_per_bss_ies(cfg, iter->wdev);
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == \
4 && __GNUC_MINOR__ >= 6))
_Pragma("GCC diagnostic pop")
#endif // endif
return 0;
}
#define WL_VNDR_IE_MAXLEN 2048
static s8 g_mgmt_ie_buf[WL_VNDR_IE_MAXLEN];
int
wl_cfg80211_set_mgmt_vndr_ies(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
s32 bssidx, s32 pktflag, const u8 *vndr_ie, u32 vndr_ie_len)
{
struct net_device *ndev = NULL;
s32 ret = BCME_OK;
u8 *curr_ie_buf = NULL;
u8 *mgmt_ie_buf = NULL;
u32 mgmt_ie_buf_len = 0;
u32 *mgmt_ie_len = 0;
u32 del_add_ie_buf_len = 0;
u32 total_ie_buf_len = 0;
u32 parsed_ie_buf_len = 0;
struct parsed_vndr_ies old_vndr_ies;
struct parsed_vndr_ies new_vndr_ies;
s32 i;
u8 *ptr;
s32 remained_buf_len;
wl_bss_vndr_ies_t *ies = NULL;
struct net_info *netinfo;
struct wireless_dev *wdev;
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
wdev = cfgdev_to_wdev(cfgdev);
if (bssidx > WL_MAX_IFS) {
WL_ERR(("bssidx > supported concurrent Ifaces \n"));
return -EINVAL;
}
netinfo = wl_get_netinfo_by_wdev(cfg, wdev);
if (!netinfo) {
WL_ERR(("net_info ptr is NULL \n"));
return -EINVAL;
}
/* Clear the global buffer */
memset(g_mgmt_ie_buf, 0, sizeof(g_mgmt_ie_buf));
curr_ie_buf = g_mgmt_ie_buf;
ies = &netinfo->bss.ies;
WL_DBG(("Enter. pktflag:0x%x bssidx:%x vnd_ie_len:%d wdev:%p\n",
pktflag, bssidx, vndr_ie_len, wdev));
switch (pktflag) {
case VNDR_IE_PRBRSP_FLAG :
mgmt_ie_buf = ies->probe_res_ie;
mgmt_ie_len = &ies->probe_res_ie_len;
mgmt_ie_buf_len = sizeof(ies->probe_res_ie);
break;
case VNDR_IE_ASSOCRSP_FLAG :
mgmt_ie_buf = ies->assoc_res_ie;
mgmt_ie_len = &ies->assoc_res_ie_len;
mgmt_ie_buf_len = sizeof(ies->assoc_res_ie);
break;
case VNDR_IE_BEACON_FLAG :
mgmt_ie_buf = ies->beacon_ie;
mgmt_ie_len = &ies->beacon_ie_len;
mgmt_ie_buf_len = sizeof(ies->beacon_ie);
break;
case VNDR_IE_PRBREQ_FLAG :
mgmt_ie_buf = ies->probe_req_ie;
mgmt_ie_len = &ies->probe_req_ie_len;
mgmt_ie_buf_len = sizeof(ies->probe_req_ie);
break;
case VNDR_IE_ASSOCREQ_FLAG :
mgmt_ie_buf = ies->assoc_req_ie;
mgmt_ie_len = &ies->assoc_req_ie_len;
mgmt_ie_buf_len = sizeof(ies->assoc_req_ie);
break;
default:
mgmt_ie_buf = NULL;
mgmt_ie_len = NULL;
WL_ERR(("not suitable packet type (%d)\n", pktflag));
return BCME_ERROR;
}
if (vndr_ie_len > mgmt_ie_buf_len) {
WL_ERR(("extra IE size too big\n"));
ret = -ENOMEM;
} else {
/* parse and save new vndr_ie in curr_ie_buff before comparing it */
if (vndr_ie && vndr_ie_len && curr_ie_buf) {
ptr = curr_ie_buf;
if ((ret = wl_cfg80211_parse_vndr_ies((const u8 *)vndr_ie,
vndr_ie_len, &new_vndr_ies)) < 0) {
WL_ERR(("parse vndr ie failed \n"));
goto exit;
}
for (i = 0; i < new_vndr_ies.count; i++) {
struct parsed_vndr_ie_info *vndrie_info =
&new_vndr_ies.ie_info[i];
if ((parsed_ie_buf_len + vndrie_info->ie_len) > WL_VNDR_IE_MAXLEN) {
WL_ERR(("IE size is too big (%d > %d)\n",
parsed_ie_buf_len, WL_VNDR_IE_MAXLEN));
ret = -EINVAL;
goto exit;
}
memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
vndrie_info->ie_len);
parsed_ie_buf_len += vndrie_info->ie_len;
}
}
if (mgmt_ie_buf != NULL) {
if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
(memcmp(mgmt_ie_buf, curr_ie_buf, parsed_ie_buf_len) == 0)) {
WL_DBG(("Previous mgmt IE is equals to current IE"));
goto exit;
}
/* parse old vndr_ie */
if ((ret = wl_cfg80211_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len,
&old_vndr_ies)) < 0) {
WL_ERR(("parse vndr ie failed \n"));
goto exit;
}
/* make a command to delete old ie */
for (i = 0; i < old_vndr_ies.count; i++) {
struct parsed_vndr_ie_info *vndrie_info =
&old_vndr_ies.ie_info[i];
#if defined(WL_MBO) || defined(WL_OCE)
{
if ((vndrie_info->vndrie.id == 0xDD) &&
(!memcmp(vndrie_info->vndrie.oui, WFA_OUI, WFA_OUI_LEN)) &&
(vndrie_info->vndrie.data[0] == WFA_OUI_TYPE_MBO_OCE)) {
WL_DBG(("skipping ID : %d, Len: %d, OUI:"MACOUIDBG
", type: %0x\n",
vndrie_info->vndrie.id,
vndrie_info->vndrie.len,
MACOUI2STRDBG(vndrie_info->vndrie.oui),
vndrie_info->vndrie.data[0]));
continue;
}
}
#endif /* WL_MBO || WL_OCE */
WL_DBG(("DELETED ID : %d, Len: %d , OUI:"MACOUIDBG"\n",
vndrie_info->vndrie.id, vndrie_info->vndrie.len,
MACOUI2STRDBG(vndrie_info->vndrie.oui)));
del_add_ie_buf_len = wl_cfgp2p_vndr_ie(cfg, curr_ie_buf,
pktflag, vndrie_info->vndrie.oui,
vndrie_info->vndrie.id,
vndrie_info->ie_ptr + VNDR_IE_FIXED_LEN,
vndrie_info->ie_len - VNDR_IE_FIXED_LEN,
"del");
curr_ie_buf += del_add_ie_buf_len;
total_ie_buf_len += del_add_ie_buf_len;
}
}
*mgmt_ie_len = 0;
/* Add if there is any extra IE */
if (mgmt_ie_buf && parsed_ie_buf_len) {
ptr = mgmt_ie_buf;
remained_buf_len = mgmt_ie_buf_len;
/* make a command to add new ie */
for (i = 0; i < new_vndr_ies.count; i++) {
struct parsed_vndr_ie_info *vndrie_info =
&new_vndr_ies.ie_info[i];
#if defined(WL_MBO) || defined(WL_OCE)
{
if ((vndrie_info->vndrie.id == 0xDD) &&
(!memcmp(vndrie_info->vndrie.oui, WFA_OUI, WFA_OUI_LEN)) &&
(vndrie_info->vndrie.data[0] == WFA_OUI_TYPE_MBO_OCE)) {
WL_DBG(("skipping ID : %d, Len: %d, OUI:"MACOUIDBG
",type :%0x\n",
vndrie_info->vndrie.id,
vndrie_info->vndrie.len,
MACOUI2STRDBG(vndrie_info->vndrie.oui),
vndrie_info->vndrie.data[0]));
continue;
}
}
#endif /* WL_MBO || WL_OCE */
WL_DBG(("ADDED ID : %d, Len: %d(%d), OUI:"MACOUIDBG"\n",
vndrie_info->vndrie.id, vndrie_info->vndrie.len,
vndrie_info->ie_len - 2,
MACOUI2STRDBG(vndrie_info->vndrie.oui)));
del_add_ie_buf_len = wl_cfgp2p_vndr_ie(cfg, curr_ie_buf,
pktflag, vndrie_info->vndrie.oui,
vndrie_info->vndrie.id,
vndrie_info->ie_ptr + VNDR_IE_FIXED_LEN,
vndrie_info->ie_len - VNDR_IE_FIXED_LEN,
"add");
/* verify remained buf size before copy data */
if (remained_buf_len >= vndrie_info->ie_len) {
remained_buf_len -= vndrie_info->ie_len;
} else {
WL_ERR(("no space in mgmt_ie_buf: pktflag = %d, "
"found vndr ies # = %d(cur %d), remained len %d, "
"cur mgmt_ie_len %d, new ie len = %d\n",
pktflag, new_vndr_ies.count, i, remained_buf_len,
*mgmt_ie_len, vndrie_info->ie_len));
break;
}
/* save the parsed IE in cfg struct */
memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
vndrie_info->ie_len);
*mgmt_ie_len += vndrie_info->ie_len;
curr_ie_buf += del_add_ie_buf_len;
total_ie_buf_len += del_add_ie_buf_len;
}
}
if (total_ie_buf_len && cfg->ioctl_buf != NULL) {
ret = wldev_iovar_setbuf_bsscfg(ndev, "vndr_ie", g_mgmt_ie_buf,
total_ie_buf_len, cfg->ioctl_buf, WLC_IOCTL_MAXLEN,
bssidx, &cfg->ioctl_buf_sync);
if (ret)
WL_ERR(("vndr ie set error : %d\n", ret));
}
}
exit:
return ret;
}
#ifdef WL_CFG80211_ACL
static int
wl_cfg80211_set_mac_acl(struct wiphy *wiphy, struct net_device *cfgdev,
const struct cfg80211_acl_data *acl)
{
int i;
int ret = 0;
int macnum = 0;
int macmode = MACLIST_MODE_DISABLED;
struct maclist *list;
struct bcm_cfg80211 *cfg = wl_get_cfg(cfgdev);
/* get the MAC filter mode */
if (acl && acl->acl_policy == NL80211_ACL_POLICY_DENY_UNLESS_LISTED) {
macmode = MACLIST_MODE_ALLOW;
} else if (acl && acl->acl_policy == NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED &&
acl->n_acl_entries) {
macmode = MACLIST_MODE_DENY;
}
/* if acl == NULL, macmode is still disabled.. */
if (macmode == MACLIST_MODE_DISABLED) {
if ((ret = wl_android_set_ap_mac_list(cfgdev, macmode, NULL)) != 0)
WL_ERR(("%s : Setting MAC list failed error=%d\n", __FUNCTION__, ret));
return ret;
}
macnum = acl->n_acl_entries;
if (macnum < 0 || macnum > MAX_NUM_MAC_FILT) {
WL_ERR(("%s : invalid number of MAC address entries %d\n",
__FUNCTION__, macnum));
return -1;
}
/* allocate memory for the MAC list */
list = (struct maclist *)MALLOC(cfg->osh, sizeof(int) +
sizeof(struct ether_addr) * macnum);
if (!list) {
WL_ERR(("%s : failed to allocate memory\n", __FUNCTION__));
return -1;
}
/* prepare the MAC list */
list->count = htod32(macnum);
for (i = 0; i < macnum; i++) {
memcpy(&list->ea[i], &acl->mac_addrs[i], ETHER_ADDR_LEN);
}
/* set the list */
if ((ret = wl_android_set_ap_mac_list(cfgdev, macmode, list)) != 0)
WL_ERR(("%s : Setting MAC list failed error=%d\n", __FUNCTION__, ret));
MFREE(cfg->osh, list, sizeof(int) +
sizeof(struct ether_addr) * macnum);
return ret;
}
#endif /* WL_CFG80211_ACL */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
int wl_chspec_chandef(chanspec_t chanspec,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
struct cfg80211_chan_def *chandef,
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, 0)))
struct chan_info *chaninfo,
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) */
struct wiphy *wiphy)
{
uint16 freq = 0;
int chan_type = 0;
int channel = 0;
struct ieee80211_channel *chan;
if (!chandef) {
return -1;
}
channel = CHSPEC_CHANNEL(chanspec);
switch (CHSPEC_BW(chanspec)) {
case WL_CHANSPEC_BW_20:
chan_type = NL80211_CHAN_HT20;
break;
case WL_CHANSPEC_BW_40:
{
if (CHSPEC_SB_UPPER(chanspec)) {
channel += CH_10MHZ_APART;
} else {
channel -= CH_10MHZ_APART;
}
}
chan_type = NL80211_CHAN_HT40PLUS;
break;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0))
case WL_CHANSPEC_BW_80:
case WL_CHANSPEC_BW_8080:
{
uint16 sb = CHSPEC_CTL_SB(chanspec);
if (sb == WL_CHANSPEC_CTL_SB_LL) {
channel -= (CH_10MHZ_APART + CH_20MHZ_APART);
} else if (sb == WL_CHANSPEC_CTL_SB_LU) {
channel -= CH_10MHZ_APART;
} else if (sb == WL_CHANSPEC_CTL_SB_UL) {
channel += CH_10MHZ_APART;
} else {
/* WL_CHANSPEC_CTL_SB_UU */
channel += (CH_10MHZ_APART + CH_20MHZ_APART);
}
if (sb == WL_CHANSPEC_CTL_SB_LL || sb == WL_CHANSPEC_CTL_SB_LU)
chan_type = NL80211_CHAN_HT40MINUS;
else if (sb == WL_CHANSPEC_CTL_SB_UL || sb == WL_CHANSPEC_CTL_SB_UU)
chan_type = NL80211_CHAN_HT40PLUS;
}
break;
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */
default:
chan_type = NL80211_CHAN_HT20;
break;
}
if (CHSPEC_IS5G(chanspec))
freq = ieee80211_channel_to_frequency(channel, NL80211_BAND_5GHZ);
else
freq = ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
chan = ieee80211_get_channel(wiphy, freq);
WL_DBG(("channel:%d freq:%d chan_type: %d chan_ptr:%p \n",
channel, freq, chan_type, chan));
if (unlikely(!chan)) {
/* fw and cfg80211 channel lists are not in sync */
WL_ERR(("Couldn't find matching channel in wiphy channel list \n"));
ASSERT(0);
return -EINVAL;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0))
cfg80211_chandef_create(chandef, chan, chan_type);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, \
\
\
0)))
chaninfo->freq = freq;
chaninfo->chan_type = chan_type;
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */
return 0;
}
void
wl_cfg80211_ch_switch_notify(struct net_device *dev, uint16 chanspec, struct wiphy *wiphy)
{
u32 freq;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0))
struct cfg80211_chan_def chandef;
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, \
\
\
0)))
struct chan_info chaninfo;
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */
if (!wiphy) {
WL_ERR(("wiphy is null\n"));
return;
}
#if (LINUX_VERSION_CODE <= KERNEL_VERSION (3, 18, 0))
/* Channel switch support is only for AP/GO/ADHOC/MESH */
if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION ||
dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) {
WL_ERR(("No channel switch notify support for STA/GC\n"));
return;
}
#endif /* (LINUX_VERSION_CODE <= KERNEL_VERSION (3, 18, 0)) */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0))
if (wl_chspec_chandef(chanspec, &chandef, wiphy))
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, \
\
\
0)))
if (wl_chspec_chandef(chanspec, &chaninfo, wiphy))
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */
{
WL_ERR(("chspec_chandef failed\n"));
return;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0))
freq = chandef.chan ? chandef.chan->center_freq : chandef.center_freq1;
cfg80211_ch_switch_notify(dev, &chandef);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, \
\
\
0)))
freq = chan_info.freq;
cfg80211_ch_switch_notify(dev, freq, chan_info.chan_type);
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */
WL_ERR(("Channel switch notification for freq: %d chanspec: 0x%x\n", freq, chanspec));
return;
}
#endif /* LINUX_VERSION_CODE >= (3, 5, 0) */
static void
wl_ap_channel_ind(struct bcm_cfg80211 *cfg,
struct net_device *ndev,
chanspec_t chanspec)
{
u32 channel = LCHSPEC_CHANNEL(chanspec);
WL_INFORM_MEM(("(%s) AP channel:%d chspec:0x%x \n",
ndev->name, channel, chanspec));
if (cfg->ap_oper_channel && (cfg->ap_oper_channel != channel)) {
/*
* If cached channel is different from the channel indicated
* by the event, notify user space about the channel switch.
*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
wl_cfg80211_ch_switch_notify(ndev, chanspec, bcmcfg_to_wiphy(cfg));
#endif /* LINUX_VERSION_CODE >= (3, 5, 0) */
cfg->ap_oper_channel = channel;
}
}
static s32
wl_ap_start_ind(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
struct net_device *ndev = NULL;
chanspec_t chanspec;
WL_DBG(("Enter\n"));
if (unlikely(e->status)) {
WL_ERR(("status:0x%x \n", e->status));
return -1;
}
if (!data) {
return -EINVAL;
}
if (likely(cfgdev)) {
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
chanspec = *((chanspec_t *)data);
if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP) {
/* For AP/GO role */
wl_ap_channel_ind(cfg, ndev, chanspec);
}
}
return 0;
}
static s32
wl_csa_complete_ind(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
int error = 0;
u32 chanspec = 0;
struct net_device *ndev = NULL;
WL_DBG(("Enter\n"));
if (unlikely(e->status)) {
WL_ERR(("status:0x%x \n", e->status));
return -1;
}
if (likely(cfgdev)) {
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
error = wldev_iovar_getint(ndev, "chanspec", &chanspec);
if (unlikely(error)) {
WL_ERR(("Get chanspec error: %d \n", error));
return -1;
}
WL_INFORM_MEM(("[%s] CSA ind. ch:0x%x\n", ndev->name, chanspec));
if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP) {
/* For AP/GO role */
wl_ap_channel_ind(cfg, ndev, chanspec);
} else {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
wl_cfg80211_ch_switch_notify(ndev, chanspec, bcmcfg_to_wiphy(cfg));
#endif /* LINUX_VERSION_CODE >= (3, 5, 0) */
}
}
return 0;
}
void wl_cfg80211_clear_security(struct bcm_cfg80211 *cfg)
{
struct net_device *dev = bcmcfg_to_prmry_ndev(cfg);
int err;
/* Clear the security settings on the primary Interface */
err = wldev_iovar_setint(dev, "wsec", 0);
if (unlikely(err)) {
WL_ERR(("wsec clear failed \n"));
}
err = wldev_iovar_setint(dev, "auth", 0);
if (unlikely(err)) {
WL_ERR(("auth clear failed \n"));
}
err = wldev_iovar_setint(dev, "wpa_auth", WPA_AUTH_DISABLED);
if (unlikely(err)) {
WL_ERR(("wpa_auth clear failed \n"));
}
}
#ifdef WL_CFG80211_P2P_DEV_IF
void wl_cfg80211_del_p2p_wdev(struct net_device *dev)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
struct wireless_dev *wdev = NULL;
WL_DBG(("Enter \n"));
if (!cfg) {
WL_ERR(("Invalid Ptr\n"));
return;
} else {
wdev = cfg->p2p_wdev;
}
if (wdev && cfg->down_disc_if) {
wl_cfgp2p_del_p2p_disc_if(wdev, cfg);
cfg->down_disc_if = FALSE;
}
}
#endif /* WL_CFG80211_P2P_DEV_IF */
#ifdef GTK_OFFLOAD_SUPPORT
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0))
static s32
wl_cfg80211_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_gtk_rekey_data *data)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
s32 err = 0;
gtk_keyinfo_t keyinfo;
bcol_gtk_para_t bcol_keyinfo;
WL_DBG(("Enter\n"));
if (data == NULL || cfg->p2p_net == dev) {
WL_ERR(("data is NULL or wrong net device\n"));
return -EINVAL;
}
prhex("kck", (const u8 *) (data->kck), RSN_KCK_LENGTH);
prhex("kek", (const u8 *) (data->kek), RSN_KEK_LENGTH);
prhex("replay_ctr", (const u8 *) (data->replay_ctr), RSN_REPLAY_LEN);
bcopy(data->kck, keyinfo.KCK, RSN_KCK_LENGTH);
bcopy(data->kek, keyinfo.KEK, RSN_KEK_LENGTH);
bcopy(data->replay_ctr, keyinfo.ReplayCounter, RSN_REPLAY_LEN);
memset(&bcol_keyinfo, 0, sizeof(bcol_keyinfo));
bcol_keyinfo.enable = 1;
bcol_keyinfo.ptk_len = 64;
memcpy(&bcol_keyinfo.ptk[0], data->kck, RSN_KCK_LENGTH);
memcpy(&bcol_keyinfo.ptk[RSN_KCK_LENGTH], data->kek, RSN_KEK_LENGTH);
err = wldev_iovar_setbuf(dev, "bcol_gtk_rekey_ptk", &bcol_keyinfo,
sizeof(bcol_keyinfo), cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync);
if (!err) {
return err;
}
if ((err = wldev_iovar_setbuf(dev, "gtk_key_info", &keyinfo, sizeof(keyinfo),
cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync)) < 0) {
WL_ERR(("seting gtk_key_info failed code=%d\n", err));
return err;
}
WL_DBG(("Exit\n"));
return err;
}
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0) */
#endif /* GTK_OFFLOAD_SUPPORT */
#if defined(WL_SUPPORT_AUTO_CHANNEL)
int
wl_cfg80211_set_spect(struct net_device *dev, int spect)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
int wlc_down = 1;
int wlc_up = 1;
int err = BCME_OK;
if (!wl_get_drv_status_all(cfg, CONNECTED)) {
err = wldev_ioctl_set(dev, WLC_DOWN, &wlc_down, sizeof(wlc_down));
if (err) {
WL_ERR(("%s: WLC_DOWN failed: code: %d\n", __func__, err));
return err;
}
err = wldev_ioctl_set(dev, WLC_SET_SPECT_MANAGMENT, &spect, sizeof(spect));
if (err) {
WL_ERR(("%s: error setting spect: code: %d\n", __func__, err));
return err;
}
err = wldev_ioctl_set(dev, WLC_UP, &wlc_up, sizeof(wlc_up));
if (err) {
WL_ERR(("%s: WLC_UP failed: code: %d\n", __func__, err));
return err;
}
}
return err;
}
int
wl_cfg80211_get_sta_channel(struct bcm_cfg80211 *cfg)
{
int channel = 0;
if (wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg))) {
channel = cfg->channel;
}
return channel;
}
#endif /* WL_SUPPORT_AUTO_CHANNEL */
u64
wl_cfg80211_get_new_roc_id(struct bcm_cfg80211 *cfg)
{
u64 id = 0;
id = ++cfg->last_roc_id;
#ifdef P2P_LISTEN_OFFLOADING
if (id == P2PO_COOKIE) {
id = ++cfg->last_roc_id;
}
#endif /* P2P_LISTEN_OFFLOADING */
if (id == 0)
id = ++cfg->last_roc_id;
return id;
}
#ifdef WLTDLS
static s32
wl_cfg80211_tdls_config(struct bcm_cfg80211 *cfg, enum wl_tdls_config state, bool auto_mode)
{
struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
int err = 0;
struct net_info *iter, *next;
int update_reqd = 0;
int enable = 0;
dhd_pub_t *dhdp;
dhdp = (dhd_pub_t *)(cfg->pub);
/*
* TDLS need to be enabled only if we have a single STA/GC
* connection.
*/
WL_DBG(("Enter state:%d\n", state));
if (!cfg->tdls_supported) {
/* FW doesn't support tdls. Do nothing */
return -ENODEV;
}
/* Protect tdls config session */
mutex_lock(&cfg->tdls_sync);
if (state == TDLS_STATE_TEARDOWN) {
/* Host initiated TDLS tear down */
err = dhd_tdls_enable(ndev, false, auto_mode, NULL);
goto exit;
} else if ((state == TDLS_STATE_AP_CREATE) ||
(state == TDLS_STATE_NDI_CREATE)) {
/* We don't support tdls while AP/GO/NAN is operational */
update_reqd = true;
enable = false;
} else if ((state == TDLS_STATE_CONNECT) || (state == TDLS_STATE_IF_CREATE)) {
if (wl_get_drv_status_all(cfg,
CONNECTED) >= TDLS_MAX_IFACE_FOR_ENABLE) {
/* For STA/GC connect command request, disable
* tdls if we have any concurrent interfaces
* operational.
*/
WL_DBG(("Interface limit restriction. disable tdls.\n"));
update_reqd = true;
enable = false;
}
} else if ((state == TDLS_STATE_DISCONNECT) ||
(state == TDLS_STATE_AP_DELETE) ||
(state == TDLS_STATE_SETUP) ||
(state == TDLS_STATE_IF_DELETE)) {
/* Enable back the tdls connection only if we have less than
* or equal to a single STA/GC connection.
*/
if (wl_get_drv_status_all(cfg,
CONNECTED) == 0) {
/* If there are no interfaces connected, enable tdls */
update_reqd = true;
enable = true;
} else if (wl_get_drv_status_all(cfg,
CONNECTED) == TDLS_MAX_IFACE_FOR_ENABLE) {
/* We have one interface in CONNECTED state.
* Verify whether its a STA interface before
* we enable back tdls.
*/
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif // endif
for_each_ndev(cfg, iter, next) {
if ((iter->ndev) &&
(wl_get_drv_status(cfg, CONNECTED, ndev)) &&
(ndev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)) {
WL_DBG(("Non STA iface operational. cfg_iftype:%d "
"Can't enable tdls.\n",
ndev->ieee80211_ptr->iftype));
err = -ENOTSUPP;
goto exit;
}
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic pop
#endif // endif
/* No AP/GO found. Enable back tdls */
update_reqd = true;
enable = true;
} else {
WL_DBG(("Concurrent connection mode. Can't enable tdls. \n"));
err = -ENOTSUPP;
goto exit;
}
} else {
WL_ERR(("Unknown tdls state:%d \n", state));
err = -EINVAL;
goto exit;
}
if (update_reqd == true) {
if (dhdp->tdls_enable == enable) {
WL_DBG(("No change in tdls state. Do nothing."
" tdls_enable:%d\n", enable));
goto exit;
}
err = wldev_iovar_setint(ndev, "tdls_enable", enable);
if (unlikely(err)) {
WL_ERR(("tdls_enable setting failed. err:%d\n", err));
goto exit;
} else {
WL_INFORM_MEM(("tdls_enable %d state:%d\n", enable, state));
/* Update the dhd state variable to be in sync */
dhdp->tdls_enable = enable;
if (state == TDLS_STATE_SETUP) {
/* For host initiated setup, apply TDLS params
* Don't propagate errors up for param config
* failures
*/
dhd_tdls_enable(ndev, true, auto_mode, NULL);
}
}
} else {
WL_DBG(("Skip tdls config. state:%d update_reqd:%d "
"current_status:%d \n",
state, update_reqd, dhdp->tdls_enable));
}
exit:
if (err) {
wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL);
}
mutex_unlock(&cfg->tdls_sync);
return err;
}
#endif /* WLTDLS */
struct net_device* wl_get_ap_netdev(struct bcm_cfg80211 *cfg, char *ifname)
{
struct net_info *iter, *next;
struct net_device *ndev = NULL;
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif // endif
for_each_ndev(cfg, iter, next) {
if (iter->ndev) {
if (strncmp(iter->ndev->name, ifname, IFNAMSIZ) == 0) {
if (iter->ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) {
ndev = iter->ndev;
break;
}
}
}
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic pop
#endif // endif
return ndev;
}
struct net_device*
wl_get_netdev_by_name(struct bcm_cfg80211 *cfg, char *ifname)
{
struct net_info *iter, *next;
struct net_device *ndev = NULL;
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif // endif
for_each_ndev(cfg, iter, next) {
if (iter->ndev) {
if (strncmp(iter->ndev->name, ifname, IFNAMSIZ) == 0) {
ndev = iter->ndev;
break;
}
}
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic pop
#endif // endif
return ndev;
}
#ifdef SUPPORT_AP_HIGHER_BEACONRATE
#define WLC_RATE_FLAG 0x80
#define RATE_MASK 0x7f
int wl_set_ap_beacon_rate(struct net_device *dev, int val, char *ifname)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
dhd_pub_t *dhdp;
wl_rateset_args_t rs;
int error = BCME_ERROR, i;
struct net_device *ndev = NULL;
dhdp = (dhd_pub_t *)(cfg->pub);
if (dhdp && !(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) {
WL_ERR(("Not Hostapd mode\n"));
return BCME_NOTAP;
}
ndev = wl_get_ap_netdev(cfg, ifname);
if (ndev == NULL) {
WL_ERR(("No softAP interface named %s\n", ifname));
return BCME_NOTAP;
}
bzero(&rs, sizeof(wl_rateset_args_t));
error = wldev_iovar_getbuf(ndev, "rateset", NULL, 0,
&rs, sizeof(wl_rateset_args_t), NULL);
if (error < 0) {
WL_ERR(("get rateset failed = %d\n", error));
return error;
}
if (rs.count < 1) {
WL_ERR(("Failed to get rate count\n"));
return BCME_ERROR;
}
/* Host delivers target rate in the unit of 500kbps */
/* To make it to 1mbps unit, atof should be implemented for 5.5mbps basic rate */
for (i = 0; i < rs.count && i < WL_NUMRATES; i++)
if (rs.rates[i] & WLC_RATE_FLAG)
if ((rs.rates[i] & RATE_MASK) == val)
break;
/* Valid rate has been delivered as an argument */
if (i < rs.count && i < WL_NUMRATES) {
error = wldev_iovar_setint(ndev, "force_bcn_rspec", val);
if (error < 0) {
WL_ERR(("set beacon rate failed = %d\n", error));
return BCME_ERROR;
}
} else {
WL_ERR(("Rate is invalid"));
return BCME_BADARG;
}
return BCME_OK;
}
int
wl_get_ap_basic_rate(struct net_device *dev, char* command, char *ifname, int total_len)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
dhd_pub_t *dhdp;
wl_rateset_args_t rs;
int error = BCME_ERROR;
int i, bytes_written = 0;
struct net_device *ndev = NULL;
dhdp = (dhd_pub_t *)(cfg->pub);
if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) {
WL_ERR(("Not Hostapd mode\n"));
return BCME_NOTAP;
}
ndev = wl_get_ap_netdev(cfg, ifname);
if (ndev == NULL) {
WL_ERR(("No softAP interface named %s\n", ifname));
return BCME_NOTAP;
}
bzero(&rs, sizeof(wl_rateset_args_t));
error = wldev_iovar_getbuf(ndev, "rateset", NULL, 0,
&rs, sizeof(wl_rateset_args_t), NULL);
if (error < 0) {
WL_ERR(("get rateset failed = %d\n", error));
return error;
}
if (rs.count < 1) {
WL_ERR(("Failed to get rate count\n"));
return BCME_ERROR;
}
/* Delivers basic rate in the unit of 500kbps to host */
for (i = 0; i < rs.count && i < WL_NUMRATES; i++)
if (rs.rates[i] & WLC_RATE_FLAG)
bytes_written += snprintf(command + bytes_written, total_len,
"%d ", rs.rates[i] & RATE_MASK);
/* Remove last space in the command buffer */
if (bytes_written && (bytes_written < total_len)) {
command[bytes_written - 1] = '\0';
bytes_written--;
}
return bytes_written;
}
#endif /* SUPPORT_AP_HIGHER_BEACONRATE */
#ifdef SUPPORT_AP_RADIO_PWRSAVE
#define MSEC_PER_MIN (60000L)
static int
_wl_update_ap_rps_params(struct net_device *dev)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
rpsnoa_iovar_params_t iovar;
u8 smbuf[WLC_IOCTL_SMLEN];
if (!dev)
return BCME_BADARG;
memset(&iovar, 0, sizeof(iovar));
memset(smbuf, 0, sizeof(smbuf));
iovar.hdr.ver = RADIO_PWRSAVE_VERSION;
iovar.hdr.subcmd = WL_RPSNOA_CMD_PARAMS;
iovar.hdr.len = sizeof(iovar);
iovar.param->band = WLC_BAND_ALL;
iovar.param->level = cfg->ap_rps_info.level;
iovar.param->stas_assoc_check = cfg->ap_rps_info.sta_assoc_check;
iovar.param->pps = cfg->ap_rps_info.pps;
iovar.param->quiet_time = cfg->ap_rps_info.quiet_time;
if (wldev_iovar_setbuf(dev, "rpsnoa", &iovar, sizeof(iovar),
smbuf, sizeof(smbuf), NULL)) {
WL_ERR(("Failed to set rpsnoa params"));
return BCME_ERROR;
}
return BCME_OK;
}
int
wl_get_ap_rps(struct net_device *dev, char* command, char *ifname, int total_len)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
dhd_pub_t *dhdp;
int error = BCME_ERROR;
int bytes_written = 0;
struct net_device *ndev = NULL;
rpsnoa_iovar_status_t iovar;
u8 smbuf[WLC_IOCTL_SMLEN];
u32 chanspec = 0;
u8 idx = 0;
u16 state;
u32 sleep;
u32 time_since_enable;
dhdp = (dhd_pub_t *)(cfg->pub);
if (!dhdp) {
error = BCME_NOTUP;
goto fail;
}
if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) {
WL_ERR(("Not Hostapd mode\n"));
error = BCME_NOTAP;
goto fail;
}
ndev = wl_get_ap_netdev(cfg, ifname);
if (ndev == NULL) {
WL_ERR(("No softAP interface named %s\n", ifname));
error = BCME_NOTAP;
goto fail;
}
memset(&iovar, 0, sizeof(iovar));
memset(smbuf, 0, sizeof(smbuf));
iovar.hdr.ver = RADIO_PWRSAVE_VERSION;
iovar.hdr.subcmd = WL_RPSNOA_CMD_STATUS;
iovar.hdr.len = sizeof(iovar);
iovar.stats->band = WLC_BAND_ALL;
error = wldev_iovar_getbuf(ndev, "rpsnoa", &iovar, sizeof(iovar),
smbuf, sizeof(smbuf), NULL);
if (error < 0) {
WL_ERR(("get ap radio pwrsave failed = %d\n", error));
goto fail;
}
/* RSDB event doesn't seem to be handled correctly.
* So check chanspec of AP directly from the firmware
*/
error = wldev_iovar_getint(ndev, "chanspec", (s32 *)&chanspec);
if (error < 0) {
WL_ERR(("get chanspec from AP failed = %d\n", error));
goto fail;
}
chanspec = wl_chspec_driver_to_host(chanspec);
if (CHSPEC_IS2G(chanspec))
idx = 0;
else if (CHSPEC_IS5G(chanspec))
idx = 1;
else {
error = BCME_BADCHAN;
goto fail;
}
state = ((rpsnoa_iovar_status_t *)smbuf)->stats[idx].state;
sleep = ((rpsnoa_iovar_status_t *)smbuf)->stats[idx].sleep_dur;
time_since_enable = ((rpsnoa_iovar_status_t *)smbuf)->stats[idx].sleep_avail_dur;
/* Conver ms to minute, round down only */
sleep = DIV_U64_BY_U32(sleep, MSEC_PER_MIN);
time_since_enable = DIV_U64_BY_U32(time_since_enable, MSEC_PER_MIN);
bytes_written += snprintf(command + bytes_written, total_len,
"state=%d sleep=%d time_since_enable=%d", state, sleep, time_since_enable);
error = bytes_written;
fail:
return error;
}
int
wl_set_ap_rps(struct net_device *dev, bool enable, char *ifname)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
dhd_pub_t *dhdp;
struct net_device *ndev = NULL;
rpsnoa_iovar_t iovar;
u8 smbuf[WLC_IOCTL_SMLEN];
int ret = BCME_OK;
dhdp = (dhd_pub_t *)(cfg->pub);
if (!dhdp) {
ret = BCME_NOTUP;
goto exit;
}
if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) {
WL_ERR(("Not Hostapd mode\n"));
ret = BCME_NOTAP;
goto exit;
}
ndev = wl_get_ap_netdev(cfg, ifname);
if (ndev == NULL) {
WL_ERR(("No softAP interface named %s\n", ifname));
ret = BCME_NOTAP;
goto exit;
}
if (cfg->ap_rps_info.enable != enable) {
cfg->ap_rps_info.enable = enable;
if (enable) {
ret = _wl_update_ap_rps_params(ndev);
if (ret) {
WL_ERR(("Filed to update rpsnoa params\n"));
goto exit;
}
}
memset(&iovar, 0, sizeof(iovar));
memset(smbuf, 0, sizeof(smbuf));
iovar.hdr.ver = RADIO_PWRSAVE_VERSION;
iovar.hdr.subcmd = WL_RPSNOA_CMD_ENABLE;
iovar.hdr.len = sizeof(iovar);
iovar.data->band = WLC_BAND_ALL;
iovar.data->value = (int16)enable;
ret = wldev_iovar_setbuf(ndev, "rpsnoa", &iovar, sizeof(iovar),
smbuf, sizeof(smbuf), NULL);
if (ret) {
WL_ERR(("Failed to enable AP radio power save"));
goto exit;
}
cfg->ap_rps_info.enable = enable;
}
exit:
return ret;
}
int
wl_update_ap_rps_params(struct net_device *dev, ap_rps_info_t* rps, char *ifname)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
dhd_pub_t *dhdp;
struct net_device *ndev = NULL;
dhdp = (dhd_pub_t *)(cfg->pub);
if (!dhdp)
return BCME_NOTUP;
if (!(dhdp->op_mode & DHD_FLAG_HOSTAP_MODE)) {
WL_ERR(("Not Hostapd mode\n"));
return BCME_NOTAP;
}
ndev = wl_get_ap_netdev(cfg, ifname);
if (ndev == NULL) {
WL_ERR(("No softAP interface named %s\n", ifname));
return BCME_NOTAP;
}
if (!rps)
return BCME_BADARG;
if (rps->pps < RADIO_PWRSAVE_PPS_MIN)
return BCME_BADARG;
if (rps->level < RADIO_PWRSAVE_LEVEL_MIN ||
rps->level > RADIO_PWRSAVE_LEVEL_MAX)
return BCME_BADARG;
if (rps->quiet_time < RADIO_PWRSAVE_QUIETTIME_MIN)
return BCME_BADARG;
if (rps->sta_assoc_check > RADIO_PWRSAVE_ASSOCCHECK_MAX ||
rps->sta_assoc_check < RADIO_PWRSAVE_ASSOCCHECK_MIN)
return BCME_BADARG;
cfg->ap_rps_info.pps = rps->pps;
cfg->ap_rps_info.level = rps->level;
cfg->ap_rps_info.quiet_time = rps->quiet_time;
cfg->ap_rps_info.sta_assoc_check = rps->sta_assoc_check;
if (cfg->ap_rps_info.enable) {
if (_wl_update_ap_rps_params(ndev)) {
WL_ERR(("Failed to update rpsnoa params"));
return BCME_ERROR;
}
}
return BCME_OK;
}
void
wl_cfg80211_init_ap_rps(struct bcm_cfg80211 *cfg)
{
cfg->ap_rps_info.enable = FALSE;
cfg->ap_rps_info.sta_assoc_check = RADIO_PWRSAVE_STAS_ASSOC_CHECK;
cfg->ap_rps_info.pps = RADIO_PWRSAVE_PPS;
cfg->ap_rps_info.quiet_time = RADIO_PWRSAVE_QUIET_TIME;
cfg->ap_rps_info.level = RADIO_PWRSAVE_LEVEL;
}
#endif /* SUPPORT_AP_RADIO_PWRSAVE */
int
wl_cfg80211_iface_count(struct net_device *dev)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
struct net_info *iter, *next;
int iface_count = 0;
/* Return the count of network interfaces (skip netless p2p discovery
* interface)
*/
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif // endif
for_each_ndev(cfg, iter, next) {
if (iter->ndev) {
iface_count++;
}
}
#if defined(STRICT_GCC_WARNINGS) && defined(__GNUC__)
#pragma GCC diagnostic pop
#endif // endif
return iface_count;
}
#ifdef SUPPORT_SET_CAC
static void
wl_cfg80211_set_cac(struct bcm_cfg80211 *cfg, int enable)
{
int ret = 0;
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
WL_DBG(("cac enable %d\n", enable));
if (!dhd) {
WL_ERR(("dhd is NULL\n"));
return;
}
if ((ret = dhd_wl_ioctl_set_intiovar(dhd, "cac", enable,
WLC_SET_VAR, TRUE, 0)) < 0) {
WL_ERR(("Failed set CAC, ret=%d\n", ret));
} else {
WL_DBG(("CAC set successfully\n"));
}
return;
}
#endif /* SUPPORT_SET_CAC */
#ifdef SUPPORT_RSSI_SUM_REPORT
int
wl_get_rssi_per_ant(struct net_device *dev, char *ifname, char *peer_mac, void *param)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
wl_rssi_ant_mimo_t *get_param = (wl_rssi_ant_mimo_t *)param;
rssi_ant_param_t *set_param = NULL;
struct net_device *ifdev = NULL;
char iobuf[WLC_IOCTL_SMLEN];
int err = BCME_OK;
int iftype = 0;
memset(iobuf, 0, WLC_IOCTL_SMLEN);
/* Check the interface type */
ifdev = wl_get_netdev_by_name(cfg, ifname);
if (ifdev == NULL) {
WL_ERR(("Could not find net_device for ifname:%s\n", ifname));
err = BCME_BADARG;
goto fail;
}
iftype = ifdev->ieee80211_ptr->iftype;
if (iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO) {
if (peer_mac) {
set_param = (rssi_ant_param_t *)MALLOCZ(cfg->osh, sizeof(rssi_ant_param_t));
err = wl_cfg80211_ether_atoe(peer_mac, &set_param->ea);
if (!err) {
WL_ERR(("Invalid Peer MAC format\n"));
err = BCME_BADARG;
goto fail;
}
} else {
WL_ERR(("Peer MAC is not provided for iftype %d\n", iftype));
err = BCME_BADARG;
goto fail;
}
}
err = wldev_iovar_getbuf(ifdev, "phy_rssi_ant", peer_mac ?
(void *)&(set_param->ea) : NULL, peer_mac ? ETHER_ADDR_LEN : 0,
(void *)iobuf, sizeof(iobuf), NULL);
if (unlikely(err)) {
WL_ERR(("Failed to get rssi info, err=%d\n", err));
} else {
memcpy(get_param, iobuf, sizeof(wl_rssi_ant_mimo_t));
if (get_param->count == 0) {
WL_ERR(("Not supported on this chip\n"));
err = BCME_UNSUPPORTED;
}
}
fail:
if (set_param) {
MFREE(cfg->osh, set_param, sizeof(rssi_ant_param_t));
}
return err;
}
int
wl_get_rssi_logging(struct net_device *dev, void *param)
{
rssilog_get_param_t *get_param = (rssilog_get_param_t *)param;
char iobuf[WLC_IOCTL_SMLEN];
int err = BCME_OK;
memset(iobuf, 0, WLC_IOCTL_SMLEN);
memset(get_param, 0, sizeof(*get_param));
err = wldev_iovar_getbuf(dev, "rssilog", NULL, 0, (void *)iobuf,
sizeof(iobuf), NULL);
if (err) {
WL_ERR(("Failed to get rssi logging info, err=%d\n", err));
} else {
memcpy(get_param, iobuf, sizeof(*get_param));
}
return err;
}
int
wl_set_rssi_logging(struct net_device *dev, void *param)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
rssilog_set_param_t *set_param = (rssilog_set_param_t *)param;
int err;
err = wldev_iovar_setbuf(dev, "rssilog", set_param,
sizeof(*set_param), cfg->ioctl_buf, WLC_IOCTL_SMLEN,
&cfg->ioctl_buf_sync);
if (err) {
WL_ERR(("Failed to set rssi logging param, err=%d\n", err));
}
return err;
}
#endif /* SUPPORT_RSSI_SUM_REPORT */
#ifdef DHD_LOG_DUMP
/* Function to flush the FW preserve buffer content
* The buffer content is sent to host in form of events.
*/
void
wl_flush_fw_log_buffer(struct net_device *dev, uint32 logset_mask)
{
int i;
int err = 0;
u8 buf[WLC_IOCTL_SMLEN] = {0};
wl_el_set_params_t set_param;
/* Set the size of data to retrieve */
memset(&set_param, 0, sizeof(set_param));
set_param.size = WLC_IOCTL_SMLEN;
for (i = 0; i < WL_MAX_PRESERVE_BUFFER; i++)
{
if ((0x01u << i) & logset_mask) {
set_param.set = i;
err = wldev_iovar_setbuf(dev, "event_log_get", &set_param,
sizeof(struct wl_el_set_params_s), buf, WLC_IOCTL_SMLEN,
NULL);
if (err) {
WL_DBG(("Failed to get fw preserve logs, err=%d\n", err));
}
}
}
}
#endif /* DHD_LOG_DUMP */
s32
wl_cfg80211_set_dbg_verbose(struct net_device *ndev, u32 level)
{
/* configure verbose level for debugging */
if (level) {
/* Enable increased verbose */
wl_dbg_level |= WL_DBG_DBG;
} else {
/* Disable */
wl_dbg_level &= ~WL_DBG_DBG;
}
WL_INFORM(("debug verbose set to %d\n", level));
return BCME_OK;
}
s32
wl_cfg80211_check_for_nan_support(struct bcm_cfg80211 *cfg)
{
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
if (((p2p_is_on(cfg)) && (wl_get_p2p_status(cfg, SCANNING) ||
wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION1))) ||
(dhd->op_mode & DHD_FLAG_HOSTAP_MODE))
{
WL_ERR(("p2p/softap is enabled, cannot support nan\n"));
return FALSE;
}
return TRUE;
}
#ifdef WL_IRQSET
static void wl_irq_set_work_handler(struct work_struct * work)
{
struct bcm_cfg80211 *cfg = NULL;
BCM_SET_CONTAINER_OF(cfg, work, struct bcm_cfg80211, irq_set_work.work);
if (cfg) {
dhd_irq_set_affinity(cfg->pub);
}
}
#endif /* WL_IRQSET */
#ifdef WL_WPS_SYNC
static void wl_wps_reauth_timeout(unsigned long data)
{
struct net_device *ndev = (struct net_device *)data;
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
s32 inst;
unsigned long flags;
spin_lock_irqsave(&cfg->wps_sync, flags);
inst = wl_get_wps_inst_match(cfg, ndev);
if (inst >= 0) {
WL_ERR(("[%s][WPS] Reauth Timeout Inst:%d! state:%d\n",
ndev->name, inst, cfg->wps_session[inst].state));
if (cfg->wps_session[inst].state == WPS_STATE_REAUTH_WAIT) {
/* Session should get deleted from success (linkup) or
* deauth case. Just in case, link reassoc failed, clear
* state here.
*/
WL_ERR(("[%s][WPS] Reauth Timeout Inst:%d!\n",
ndev->name, inst));
cfg->wps_session[inst].state = WPS_STATE_IDLE;
cfg->wps_session[inst].in_use = false;
}
}
spin_unlock_irqrestore(&cfg->wps_sync, flags);
}
static void wl_init_wps_reauth_sm(struct bcm_cfg80211 *cfg)
{
/* Only two instances are supported as of now. one for
* infra STA and other for infra STA/GC.
*/
int i = 0;
struct net_device *pdev = bcmcfg_to_prmry_ndev(cfg);
spin_lock_init(&cfg->wps_sync);
for (i = 0; i < WPS_MAX_SESSIONS; i++) {
/* Init scan_timeout timer */
init_timer(&cfg->wps_session[i].timer);
cfg->wps_session[i].timer.data = (unsigned long) pdev;
cfg->wps_session[i].timer.function = wl_wps_reauth_timeout;
cfg->wps_session[i].in_use = false;
cfg->wps_session[i].state = WPS_STATE_IDLE;
}
}
static void wl_deinit_wps_reauth_sm(struct bcm_cfg80211 *cfg)
{
int i = 0;
for (i = 0; i < WPS_MAX_SESSIONS; i++) {
cfg->wps_session[i].in_use = false;
cfg->wps_session[i].state = WPS_STATE_IDLE;
if (timer_pending(&cfg->wps_session[i].timer)) {
del_timer_sync(&cfg->wps_session[i].timer);
}
}
}
static s32
wl_get_free_wps_inst(struct bcm_cfg80211 *cfg)
{
int i;
for (i = 0; i < WPS_MAX_SESSIONS; i++) {
if (!cfg->wps_session[i].in_use) {
return i;
}
}
return BCME_ERROR;
}
static s32
wl_get_wps_inst_match(struct bcm_cfg80211 *cfg, struct net_device *ndev)
{
int i;
for (i = 0; i < WPS_MAX_SESSIONS; i++) {
if ((cfg->wps_session[i].in_use) &&
(ndev == cfg->wps_session[i].ndev)) {
return i;
}
}
return BCME_ERROR;
}
static s32
wl_wps_session_add(struct net_device *ndev, u16 mode, u8 *mac_addr)
{
s32 inst;
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
unsigned long flags;
spin_lock_irqsave(&cfg->wps_sync, flags);
/* Fetch and initialize a wps instance */
inst = wl_get_free_wps_inst(cfg);
if (inst == BCME_ERROR) {
WL_ERR(("[WPS] No free insance\n"));
spin_unlock_irqrestore(&cfg->wps_sync, flags);
return BCME_ERROR;
}
cfg->wps_session[inst].in_use = true;
cfg->wps_session[inst].state = WPS_STATE_STARTED;
cfg->wps_session[inst].ndev = ndev;
cfg->wps_session[inst].mode = mode;
memcpy(cfg->wps_session[inst].peer_mac, mac_addr, ETH_ALEN);
spin_unlock_irqrestore(&cfg->wps_sync, flags);
WL_INFORM_MEM(("[%s][WPS] session created. Peer: " MACDBG "\n",
ndev->name, MAC2STRDBG(mac_addr)));
return BCME_OK;
}
static void
wl_wps_session_del(struct net_device *ndev)
{
s32 inst;
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
unsigned long flags;
u16 cur_state;
spin_lock_irqsave(&cfg->wps_sync, flags);
/* Get current instance for the given ndev */
inst = wl_get_wps_inst_match(cfg, ndev);
if (inst == BCME_ERROR) {
WL_DBG(("[WPS] instance match NOT found\n"));
spin_unlock_irqrestore(&cfg->wps_sync, flags);
return;
}
cur_state = cfg->wps_session[inst].state;
if (cur_state != WPS_STATE_DONE) {
WL_DBG(("[WPS] wrong state:%d\n", cur_state));
spin_unlock_irqrestore(&cfg->wps_sync, flags);
return;
}
/* Mark this as unused */
cfg->wps_session[inst].in_use = false;
cfg->wps_session[inst].state = WPS_STATE_IDLE;
spin_unlock_irqrestore(&cfg->wps_sync, flags);
/* Ensure this API is called from sleepable context. */
if (timer_pending(&cfg->wps_session[inst].timer)) {
del_timer_sync(&cfg->wps_session[inst].timer);
}
WL_INFORM_MEM(("[%s][WPS] session deleted\n", ndev->name));
}
static void
wl_wps_handle_ifdel(struct net_device *ndev)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
unsigned long flags;
u16 cur_state;
s32 inst;
spin_lock_irqsave(&cfg->wps_sync, flags);
inst = wl_get_wps_inst_match(cfg, ndev);
cur_state = cfg->wps_session[inst].state;
cfg->wps_session[inst].state = WPS_STATE_DONE;
spin_unlock_irqrestore(&cfg->wps_sync, flags);
WL_INFORM_MEM(("[%s][WPS] state:%x\n", ndev->name, cur_state));
if (cur_state > WPS_STATE_IDLE) {
wl_wps_session_del(ndev);
}
}
static s32
wl_wps_handle_sta_linkdown(struct net_device *ndev, u16 inst)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
unsigned long flags;
u16 cur_state;
bool wps_done = false;
spin_lock_irqsave(&cfg->wps_sync, flags);
cur_state = cfg->wps_session[inst].state;
if (cur_state == WPS_STATE_REAUTH_WAIT) {
spin_unlock_irqrestore(&cfg->wps_sync, flags);
wl_clr_drv_status(cfg, CONNECTED, ndev);
wl_clr_drv_status(cfg, DISCONNECTING, ndev);
WL_INFORM_MEM(("[%s][WPS] REAUTH link down\n", ndev->name));
/* Drop the link down event while we are waiting for reauth */
return BCME_UNSUPPORTED;
} else if (cur_state == WPS_STATE_STARTED) {
/* Link down before reaching EAP-FAIL. End WPS session */
cfg->wps_session[inst].state = WPS_STATE_DONE;
wps_done = true;
WL_INFORM_MEM(("[%s][WPS] link down after wps start\n", ndev->name));
} else {
WL_DBG(("[%s][WPS] link down in state:%d\n",
ndev->name, cur_state));
}
spin_unlock_irqrestore(&cfg->wps_sync, flags);
if (wps_done) {
wl_wps_session_del(ndev);
}
return BCME_OK;
}
static s32
wl_wps_handle_peersta_linkdown(struct net_device *ndev, u16 inst, const u8 *peer_mac)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
unsigned long flags;
u16 cur_state;
s32 ret = BCME_OK;
bool wps_done = false;
spin_lock_irqsave(&cfg->wps_sync, flags);
cur_state = cfg->wps_session[inst].state;
if (!peer_mac) {
WL_ERR(("Invalid arg\n"));
ret = BCME_ERROR;
goto exit;
}
/* AP/GO can have multiple clients. so validate peer_mac addr
* and ensure states are updated only for right peer.
*/
if (memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) {
/* Mac addr not matching. Ignore. */
WL_DBG(("[%s][WPS] No active WPS session"
"for the peer:" MACDBG "\n", ndev->name, MAC2STRDBG(peer_mac)));
ret = BCME_OK;
goto exit;
}
if (cur_state == WPS_STATE_REAUTH_WAIT) {
WL_INFORM_MEM(("[%s][WPS] REAUTH link down."
" Peer: " MACDBG "\n",
ndev->name, MAC2STRDBG(peer_mac)));
#ifdef NOT_YET
/* Link down during REAUTH state is expected. However,
* if this is send up, hostapd statemachine issues a
* deauth down and that may pre-empt WPS reauth state
* at GC.
*/
WL_INFORM_MEM(("[%s][WPS] REAUTH link down. Ignore."
" for client:" MACDBG "\n",
ndev->name, MAC2STRDBG(peer_mac)));
ret = BCME_UNSUPPORTED;
#endif // endif
} else if (cur_state == WPS_STATE_STARTED) {
/* Link down before reaching REAUTH_WAIT state. WPS
* session ended.
*/
cfg->wps_session[inst].state = WPS_STATE_DONE;
WL_INFORM_MEM(("[%s][WPS] link down after wps start"
" client:" MACDBG "\n",
ndev->name, MAC2STRDBG(peer_mac)));
wps_done = true;
/* since we have freed lock above, return from here */
ret = BCME_OK;
} else {
WL_ERR(("[%s][WPS] Unsupported state:%d",
ndev->name, cur_state));
ret = BCME_ERROR;
}
exit:
spin_unlock_irqrestore(&cfg->wps_sync, flags);
if (wps_done) {
wl_wps_session_del(ndev);
}
return ret;
}
static s32
wl_wps_handle_sta_linkup(struct net_device *ndev, u16 inst)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
unsigned long flags;
u16 cur_state;
s32 ret = BCME_OK;
bool wps_done = false;
spin_lock_irqsave(&cfg->wps_sync, flags);
cur_state = cfg->wps_session[inst].state;
if (cur_state == WPS_STATE_REAUTH_WAIT) {
/* WPS session succeeded. del session. */
cfg->wps_session[inst].state = WPS_STATE_DONE;
wps_done = true;
WL_INFORM_MEM(("[%s][WPS] WPS_REAUTH link up (WPS DONE)\n", ndev->name));
ret = BCME_OK;
} else {
WL_ERR(("[%s][WPS] unexpected link up in state:%d \n",
ndev->name, cur_state));
ret = BCME_ERROR;
}
spin_unlock_irqrestore(&cfg->wps_sync, flags);
if (wps_done) {
wl_wps_session_del(ndev);
}
return ret;
}
static s32
wl_wps_handle_peersta_linkup(struct net_device *ndev, u16 inst, const u8 *peer_mac)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
unsigned long flags;
u16 cur_state;
s32 ret = BCME_OK;
spin_lock_irqsave(&cfg->wps_sync, flags);
cur_state = cfg->wps_session[inst].state;
/* For AP case, check whether call came for right peer */
if (!peer_mac ||
memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) {
WL_ERR(("[WPS] macaddr mismatch\n"));
spin_unlock_irqrestore(&cfg->wps_sync, flags);
/* Mac addr not matching. Ignore. */
return BCME_ERROR;
}
if (cur_state == WPS_STATE_REAUTH_WAIT) {
WL_INFORM_MEM(("[%s][WPS] REAUTH link up\n", ndev->name));
ret = BCME_OK;
} else {
WL_INFORM_MEM(("[%s][WPS] unexpected link up in state:%d \n",
ndev->name, cur_state));
ret = BCME_ERROR;
}
spin_unlock_irqrestore(&cfg->wps_sync, flags);
return ret;
}
static s32
wl_wps_handle_authorize(struct net_device *ndev, u16 inst, const u8 *peer_mac)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
unsigned long flags;
u16 cur_state;
bool wps_done = false;
s32 ret = BCME_OK;
spin_lock_irqsave(&cfg->wps_sync, flags);
cur_state = cfg->wps_session[inst].state;
/* For AP case, check whether call came for right peer */
if (!peer_mac ||
memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) {
WL_ERR(("[WPS] macaddr mismatch\n"));
spin_unlock_irqrestore(&cfg->wps_sync, flags);
/* Mac addr not matching. Ignore. */
return BCME_ERROR;
}
if (cur_state == WPS_STATE_REAUTH_WAIT) {
/* WPS session succeeded. del session. */
cfg->wps_session[inst].state = WPS_STATE_DONE;
wps_done = true;
WL_INFORM_MEM(("[%s][WPS] Authorize done (WPS DONE)\n", ndev->name));
ret = BCME_OK;
} else {
WL_INFORM_MEM(("[%s][WPS] unexpected Authorize in state:%d \n",
ndev->name, cur_state));
ret = BCME_ERROR;
}
spin_unlock_irqrestore(&cfg->wps_sync, flags);
if (wps_done) {
wl_wps_session_del(ndev);
}
return ret;
}
static s32
wl_wps_handle_reauth(struct net_device *ndev, u16 inst, const u8 *peer_mac)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
unsigned long flags;
u16 cur_state;
u16 mode;
s32 ret = BCME_OK;
spin_lock_irqsave(&cfg->wps_sync, flags);
cur_state = cfg->wps_session[inst].state;
mode = cfg->wps_session[inst].mode;
if (((mode == WL_MODE_BSS) && (cur_state == WPS_STATE_STARTED)) ||
((mode == WL_MODE_AP) && (cur_state == WPS_STATE_M8_SENT))) {
/* Move to reauth wait */
cfg->wps_session[inst].state = WPS_STATE_REAUTH_WAIT;
/* Use ndev to find the wps instance which fired the timer */
cfg->wps_session[inst].timer.data = (unsigned long) ndev;
spin_unlock_irqrestore(&cfg->wps_sync, flags);
mod_timer(&cfg->wps_session[inst].timer,
jiffies + msecs_to_jiffies(WL_WPS_REAUTH_TIMEOUT));
WL_INFORM_MEM(("[%s][WPS] STATE_REAUTH_WAIT mode:%d Peer: " MACDBG "\n",
ndev->name, mode, MAC2STRDBG(peer_mac)));
return BCME_OK;
} else {
/* 802.1x cases */
WL_DBG(("[%s][WPS] EAP-FAIL\n", ndev->name));
}
spin_unlock_irqrestore(&cfg->wps_sync, flags);
return ret;
}
static s32
wl_wps_handle_disconnect(struct net_device *ndev, u16 inst, const u8 *peer_mac)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
unsigned long flags;
u16 cur_state;
s32 ret = BCME_OK;
spin_lock_irqsave(&cfg->wps_sync, flags);
cur_state = cfg->wps_session[inst].state;
/* If Disconnect command comes from user space for STA/GC,
* respond with event without waiting for event from fw as
* it would be dropped by the WPS_SYNC code.
*/
if (cur_state == WPS_STATE_REAUTH_WAIT) {
if (ETHER_ISBCAST(peer_mac)) {
WL_DBG(("[WPS] Bcast peer. Do nothing.\n"));
} else {
/* Notify link down */
CFG80211_DISCONNECTED(ndev,
WLAN_REASON_DEAUTH_LEAVING, NULL, 0,
true, GFP_ATOMIC);
}
} else {
WL_DBG(("[%s][WPS] Not valid state to report disconnected:%d",
ndev->name, cur_state));
ret = BCME_UNSUPPORTED;
}
spin_unlock_irqrestore(&cfg->wps_sync, flags);
return ret;
}
static s32
wl_wps_handle_disconnect_client(struct net_device *ndev, u16 inst, const u8 *peer_mac)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
unsigned long flags;
u16 cur_state;
s32 ret = BCME_OK;
bool wps_done = false;
spin_lock_irqsave(&cfg->wps_sync, flags);
cur_state = cfg->wps_session[inst].state;
/* For GO/AP, ignore disconnect client during reauth state */
if (cur_state == WPS_STATE_REAUTH_WAIT) {
if (ETHER_ISBCAST(peer_mac)) {
/* If there is broadcast deauth, then mark wps session as ended */
cfg->wps_session[inst].state = WPS_STATE_DONE;
wps_done = true;
WL_INFORM_MEM(("[%s][WPS] BCAST deauth. WPS stopped.\n", ndev->name));
ret = BCME_OK;
goto exit;
} else if (!(memcmp(cfg->wps_session[inst].peer_mac,
peer_mac, ETH_ALEN))) {
WL_ERR(("[%s][WPS] Drop disconnect client\n", ndev->name));
ret = BCME_UNSUPPORTED;
}
}
exit:
spin_unlock_irqrestore(&cfg->wps_sync, flags);
if (wps_done) {
wl_wps_session_del(ndev);
}
return ret;
}
static s32
wl_wps_handle_connect_fail(struct net_device *ndev, u16 inst)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
unsigned long flags;
u16 cur_state;
bool wps_done = false;
spin_lock_irqsave(&cfg->wps_sync, flags);
cur_state = cfg->wps_session[inst].state;
if (cur_state == WPS_STATE_REAUTH_WAIT) {
cfg->wps_session[inst].state = WPS_STATE_DONE;
wps_done = true;
WL_INFORM_MEM(("[%s][WPS] Connect fail. WPS stopped.\n",
ndev->name));
} else {
WL_ERR(("[%s][WPS] Connect fail. state:%d\n",
ndev->name, cur_state));
}
spin_unlock_irqrestore(&cfg->wps_sync, flags);
if (wps_done) {
wl_wps_session_del(ndev);
}
return BCME_OK;
}
static s32
wl_wps_handle_m8_sent(struct net_device *ndev, u16 inst, const u8 *peer_mac)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
unsigned long flags;
u16 cur_state;
s32 ret = BCME_OK;
spin_lock_irqsave(&cfg->wps_sync, flags);
cur_state = cfg->wps_session[inst].state;
if (cur_state == WPS_STATE_STARTED) {
/* Move to M8 sent state */
cfg->wps_session[inst].state = WPS_STATE_M8_SENT;
spin_unlock_irqrestore(&cfg->wps_sync, flags);
return BCME_OK;
} else {
/* 802.1x cases */
WL_DBG(("[%s][WPS] Not valid state to send M8\n", ndev->name));
}
spin_unlock_irqrestore(&cfg->wps_sync, flags);
return ret;
}
static s32
wl_wps_session_update(struct net_device *ndev, u16 state, const u8 *peer_mac)
{
s32 inst;
u16 mode;
struct bcm_cfg80211 *cfg = wl_get_cfg(ndev);
s32 ret = BCME_ERROR;
unsigned long flags;
spin_lock_irqsave(&cfg->wps_sync, flags);
/* Get current instance for the given ndev */
inst = wl_get_wps_inst_match(cfg, ndev);
if (inst == BCME_ERROR) {
/* No active WPS session. Do Nothing. */
WL_DBG(("[%s][WPS] No matching instance.\n", ndev->name));
spin_unlock_irqrestore(&cfg->wps_sync, flags);
return BCME_OK;
}
mode = cfg->wps_session[inst].mode;
spin_unlock_irqrestore(&cfg->wps_sync, flags);
WL_DBG(("[%s][WPS] state:%d mode:%d Peer: " MACDBG "\n",
ndev->name, state, mode, MAC2STRDBG(peer_mac)));
switch (state) {
case WPS_STATE_M8_RECVD:
{
/* Occasionally, due to race condition between ctrl
* and data path, deauth ind is recvd before EAP-FAIL.
* Ignore deauth ind before EAP-FAIL
* So move to REAUTH WAIT on receiving M8 on GC and
* ignore deauth ind before EAP-FAIL till 'x' timeout.
* Kickoff a timer to monitor reauth status.
*/
if (mode == WL_MODE_BSS) {
ret = wl_wps_handle_reauth(ndev, inst, peer_mac);
} else {
/* Nothing to be done for AP/GO mode */
ret = BCME_OK;
}
break;
}
case WPS_STATE_M8_SENT:
{
/* Mantain the M8 sent state to verify
* EAP-FAIL sent is valid
*/
if (mode == WL_MODE_AP) {
ret = wl_wps_handle_m8_sent(ndev, inst, peer_mac);
} else {
/* Nothing to be done for STA/GC mode */
ret = BCME_OK;
}
break;
}
case WPS_STATE_EAP_FAIL:
{
/* Move to REAUTH WAIT following EAP-FAIL TX on GO/AP.
* Kickoff a timer to monitor reauth status
*/
if (mode == WL_MODE_AP) {
ret = wl_wps_handle_reauth(ndev, inst, peer_mac);
} else {
/* Nothing to be done for STA/GC mode */
ret = BCME_OK;
}
break;
}
case WPS_STATE_LINKDOWN:
{
if (mode == WL_MODE_BSS) {
ret = wl_wps_handle_sta_linkdown(ndev, inst);
} else if (mode == WL_MODE_AP) {
/* Take action only for matching peer mac */
if (!memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) {
ret = wl_wps_handle_peersta_linkdown(ndev, inst, peer_mac);
}
}
break;
}
case WPS_STATE_LINKUP:
{
if (mode == WL_MODE_BSS) {
wl_wps_handle_sta_linkup(ndev, inst);
} else if (mode == WL_MODE_AP) {
/* Take action only for matching peer mac */
if (!memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) {
wl_wps_handle_peersta_linkup(ndev, inst, peer_mac);
}
}
break;
}
case WPS_STATE_DISCONNECT_CLIENT:
{
/* Disconnect STA/GC command from user space */
if (mode == WL_MODE_AP) {
ret = wl_wps_handle_disconnect_client(ndev, inst, peer_mac);
} else {
WL_ERR(("[WPS] Unsupported mode %d\n", mode));
}
break;
}
case WPS_STATE_DISCONNECT:
{
/* Disconnect command on STA/GC interface */
if (mode == WL_MODE_BSS) {
ret = wl_wps_handle_disconnect(ndev, inst, peer_mac);
}
break;
}
case WPS_STATE_CONNECT_FAIL:
{
if (mode == WL_MODE_BSS) {
ret = wl_wps_handle_connect_fail(ndev, inst);
} else {
WL_ERR(("[WPS] Unsupported mode %d\n", mode));
}
break;
}
case WPS_STATE_AUTHORIZE:
{
if (mode == WL_MODE_AP) {
/* Take action only for matching peer mac */
if (!memcmp(cfg->wps_session[inst].peer_mac, peer_mac, ETH_ALEN)) {
wl_wps_handle_authorize(ndev, inst, peer_mac);
} else {
WL_INFORM_MEM(("[WPS] Authorize Request for wrong peer\n"));
}
}
break;
}
default:
WL_ERR(("[WPS] Unsupported state:%d mode:%d\n", state, mode));
ret = BCME_ERROR;
}
return ret;
}
#define EAP_EXP_ATTRIB_DATA_OFFSET 14
void
wl_handle_wps_states(struct net_device *ndev, u8 *pkt, u16 len, bool direction)
{
eapol_header_t *eapol_hdr;
bool tx_packet = direction;
u16 eapol_type;
u16 mode;
u8 *peer_mac;
if (!ndev || !pkt) {
WL_ERR(("[WPS] Invalid arg\n"));
return;
}
if (len < (ETHER_HDR_LEN + EAPOL_HDR_LEN)) {
WL_ERR(("[WPS] Invalid len\n"));
return;
}
eapol_hdr = (eapol_header_t *)pkt;
eapol_type = eapol_hdr->type;
peer_mac = tx_packet ? eapol_hdr->eth.ether_dhost :
eapol_hdr->eth.ether_shost;
/*
* The implementation assumes only one WPS session would be active
* per interface at a time. Even for hostap, the wps_pin session
* is limited to one enrollee/client at a time. A session is marked
* started on WSC_START and gets cleared from below contexts
* a) Deauth/link down before reaching EAP-FAIL state. (Fail case)
* b) Link up following EAP-FAIL. (success case)
* c) Link up timeout after EAP-FAIL. (Fail case)
*/
if (eapol_type == EAP_PACKET) {
wl_eap_header_t *eap;
if (len > sizeof(*eap)) {
eap = (wl_eap_header_t *)(pkt + ETHER_HDR_LEN + EAPOL_HDR_LEN);
if (eap->type == EAP_EXPANDED_TYPE) {
wl_eap_exp_t *exp = (wl_eap_exp_t *)eap->data;
if (eap->length > EAP_EXP_HDR_MIN_LENGTH) {
/* opcode is at fixed offset */
u8 opcode = exp->opcode;
u16 eap_len = ntoh16(eap->length);
WL_DBG(("[%s][WPS] EAP EXPANDED packet. opcode:%x len:%d\n",
ndev->name, opcode, eap_len));
if (opcode == EAP_WSC_MSG) {
const u8 *msg;
const u8* parse_buf = exp->data;
/* Check if recvd pkt is fragmented */
if ((!tx_packet) &&
(exp->flags &
EAP_EXP_FLAGS_FRAGMENTED_DATA)) {
if ((eap_len - EAP_EXP_ATTRIB_DATA_OFFSET)
> 2) {
parse_buf +=
EAP_EXP_FRAGMENT_LEN_OFFSET;
eap_len -=
EAP_EXP_FRAGMENT_LEN_OFFSET;
WL_DBG(("Rcvd EAP"
" fragmented pkt\n"));
} else {
/* If recvd pkt is fragmented
* and does not have
* length field drop the packet.
*/
return;
}
}
msg = wl_find_attribute(parse_buf,
(eap_len - EAP_EXP_ATTRIB_DATA_OFFSET),
EAP_ATTRIB_MSGTYPE);
if (unlikely(!msg)) {
WL_ERR(("[WPS] ATTRIB MSG not found!\n"));
} else if ((*msg == EAP_WSC_MSG_M8) &&
!tx_packet) {
WL_INFORM_MEM(("[%s][WPS] M8\n",
ndev->name));
wl_wps_session_update(ndev,
WPS_STATE_M8_RECVD, peer_mac);
} else if ((*msg == EAP_WSC_MSG_M8) &&
tx_packet) {
WL_INFORM_MEM(("[%s][WPS] M8 Sent\n",
ndev->name));
wl_wps_session_update(ndev,
WPS_STATE_M8_SENT, peer_mac);
} else {
WL_DBG(("[%s][WPS] EAP WSC MSG: 0x%X\n",
ndev->name, *msg));
}
} else if (opcode == EAP_WSC_START) {
/* WSC session started. WSC_START - Tx from GO/AP.
* Session will be deleted on successful link up or
* on failure (deauth context)
*/
mode = tx_packet ? WL_MODE_AP : WL_MODE_BSS;
wl_wps_session_add(ndev, mode, peer_mac);
WL_INFORM_MEM(("[%s][WPS] WSC_START Mode:%d\n",
ndev->name, mode));
} else if (opcode == EAP_WSC_DONE) {
/* WSC session done. TX on STA/GC. RX on GO/AP
* On devices where config file save fails, it may
* return WPS_NAK with config_error:0. But the
* connection would still proceed. Hence don't let
* state machine depend on WSC DONE.
*/
WL_INFORM_MEM(("[%s][WPS] WSC_DONE\n", ndev->name));
}
}
}
if (eap->code == EAP_CODE_FAILURE) {
/* EAP_FAIL */
WL_INFORM_MEM(("[%s][WPS] EAP_FAIL\n", ndev->name));
wl_wps_session_update(ndev,
WPS_STATE_EAP_FAIL, peer_mac);
}
}
}
}
#endif /* WL_WPS_SYNC */
const u8 *
wl_find_attribute(const u8 *buf, u16 len, u16 element_id)
{
const u8 *attrib;
u16 attrib_id;
u16 attrib_len;
if (!buf) {
WL_ERR(("buf null\n"));
return NULL;
}
attrib = buf;
while (len >= 4) {
/* attribute id */
attrib_id = *attrib++ << 8;
attrib_id |= *attrib++;
len -= 2;
/* 2-byte little endian */
attrib_len = *attrib++ << 8;
attrib_len |= *attrib++;
len -= 2;
if (attrib_id == element_id) {
/* This will point to start of subelement attrib after
* attribute id & len
*/
return attrib;
}
if (len > attrib_len) {
len -= attrib_len; /* for the remaining subelt fields */
WL_DBG(("Attribue:%4x attrib_len:%d rem_len:%d\n",
attrib_id, attrib_len, len));
/* Go to next subelement */
attrib += attrib_len;
} else {
WL_ERR(("Incorrect Attribue:%4x attrib_len:%d\n",
attrib_id, attrib_len));
return NULL;
}
}
return NULL;
}
static const u8 *
wl_retrieve_wps_attribute(const u8 *buf, u16 element_id)
{
const wl_wps_ie_t *ie = NULL;
u16 len = 0;
const u8 *attrib;
if (!buf) {
WL_ERR(("WPS IE not present"));
return 0;
}
ie = (const wl_wps_ie_t*) buf;
len = ie->len;
/* Point subel to the P2P IE's subelt field.
* Subtract the preceding fields (id, len, OUI, oui_type) from the length.
*/
attrib = ie->attrib;
len -= 4; /* exclude OUI + OUI_TYPE */
/* Search for attrib */
return wl_find_attribute(attrib, len, element_id);
}
#define WPS_ATTR_REQ_TYPE 0x103a
#define WPS_REQ_TYPE_ENROLLEE 0x01
bool
wl_is_wps_enrollee_active(struct net_device *ndev, const u8 *ie_ptr, u16 len)
{
const u8 *ie;
const u8 *attrib;
if ((ie = (const u8 *)wl_cfgp2p_find_wpsie(ie_ptr, len)) == NULL) {
WL_DBG(("WPS IE not present. Do nothing.\n"));
return false;
}
if ((attrib = wl_retrieve_wps_attribute(ie, WPS_ATTR_REQ_TYPE)) == NULL) {
WL_DBG(("WPS_ATTR_REQ_TYPE not found!\n"));
return false;
}
if (*attrib == WPS_REQ_TYPE_ENROLLEE) {
WL_INFORM_MEM(("WPS Enrolle Active\n"));
return true;
} else {
WL_DBG(("WPS_REQ_TYPE:%d\n", *attrib));
}
return false;
}
#ifdef USE_WFA_CERT_CONF
extern int g_frameburst;
#endif /* USE_WFA_CERT_CONF */
int
wl_cfg80211_set_frameburst(struct bcm_cfg80211 *cfg, bool enable)
{
int ret = BCME_OK;
int val = enable ? 1 : 0;
#ifdef USE_WFA_CERT_CONF
if (!g_frameburst) {
WL_DBG(("Skip setting frameburst\n"));
return 0;
}
#endif /* USE_WFA_CERT_CONF */
WL_DBG(("Set frameburst %d\n", val));
ret = wldev_ioctl_set(bcmcfg_to_prmry_ndev(cfg), WLC_SET_FAKEFRAG, &val, sizeof(val));
if (ret < 0) {
WL_ERR(("Failed set frameburst, ret=%d\n", ret));
} else {
WL_INFORM_MEM(("frameburst is %s\n", enable ? "enabled" : "disabled"));
}
return ret;
}
#ifdef WL_MBO
static s32
wl_mbo_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev,
const wl_event_msg_t *e, void *data)
{
s32 err = 0;
wl_event_mbo_t *mbo_evt = (wl_event_mbo_t *)data;
wl_event_mbo_cell_nw_switch_t *cell_sw_evt = NULL;
WL_INFORM(("MBO: Evt %u\n", mbo_evt->type));
if (mbo_evt->version != WL_MBO_EVT_VER) {
WL_ERR(("%s:version mismatch. rcvd %u expected %u\n",
__FUNCTION__, mbo_evt->version, WL_MBO_EVT_VER));
return -1;
}
if (mbo_evt->type == WL_MBO_E_CELLULAR_NW_SWITCH) {
cell_sw_evt = (wl_event_mbo_cell_nw_switch_t *)mbo_evt->data;
BCM_REFERENCE(cell_sw_evt);
SUPP_EVENT(("CTRL-EVENT-CELLULAR-SWITCH", "reason %d cur_assoc_time_left %u "
"reassoc_delay %u\n", cell_sw_evt->reason,
cell_sw_evt->assoc_time_remain, cell_sw_evt->reassoc_delay));
}
return err;
}
#endif /* WL_MBO */
s32
wl_cfg80211_autochannel(struct net_device *dev, char* command, int total_len)
{
struct bcm_cfg80211 *cfg = wl_get_cfg(dev);
int ret = 0;
int bytes_written = -1;
sscanf(command, "%*s %d", &cfg->autochannel);
if (cfg->autochannel == 0) {
cfg->best_2g_ch = 0;
cfg->best_5g_ch = 0;
} else if (cfg->autochannel == 2) {
bytes_written = snprintf(command, total_len, "2g=%d 5g=%d",
cfg->best_2g_ch, cfg->best_5g_ch);
ANDROID_TRACE(("%s: command result is %s\n", __FUNCTION__, command));
ret = bytes_written;
}
return ret;
}
static int
wl_cfg80211_check_in4way(struct bcm_cfg80211 *cfg,
struct net_device *dev, uint action, enum wl_ext_status status, void *context)
{
dhd_pub_t *dhdp = (dhd_pub_t *)(cfg->pub);
struct wl_security *sec;
s32 bssidx = -1;
int ret = 0, cur_eapol_status;
int max_wait_time, max_wait_cnt;
mutex_lock(&cfg->in4way_sync);
WL_DBG(("status=%d, action=0x%x\n", status, action));
cur_eapol_status = dhdp->conf->eapol_status;
switch (status) {
case WL_EXT_STATUS_SCAN:
if (action & NO_SCAN_IN4WAY) {
if (cfg->handshaking > 0 && cfg->handshaking <= 3) {
WL_ERR(("return -EBUSY cnt %d\n", cfg->handshaking));
cfg->handshaking++;
ret = -EBUSY;
break;
}
}
break;
case WL_EXT_STATUS_DISCONNECTING:
if (cur_eapol_status >= EAPOL_STATUS_WPA_START &&
cur_eapol_status < EAPOL_STATUS_WPA_END) {
WL_ERR(("WPA failed at %d\n", cur_eapol_status));
dhdp->conf->eapol_status = EAPOL_STATUS_NONE;
} else if (cur_eapol_status >= EAPOL_STATUS_WPS_WSC_START &&
cur_eapol_status < EAPOL_STATUS_WPS_DONE) {
WL_ERR(("WPS failed at %d\n", cur_eapol_status));
dhdp->conf->eapol_status = EAPOL_STATUS_NONE;
}
if (action & (NO_SCAN_IN4WAY|NO_BTC_IN4WAY)) {
if (cfg->handshaking) {
if (action & NO_BTC_IN4WAY) {
WL_TRACE(("status=%d, enable btc_mode\n", status));
wldev_iovar_setint(dev, "btc_mode", 1);
}
cfg->handshaking = 0;
}
}
if (action & WAIT_DISCONNECTED) {
max_wait_time = 200;
max_wait_cnt = 20;
cfg->disconnected_jiffies = jiffies;
while (!time_after(jiffies,
cfg->disconnected_jiffies + msecs_to_jiffies(max_wait_time)) &&
max_wait_cnt) {
WL_TRACE(("status=%d, max_wait_cnt=%d waiting...\n",
status, max_wait_cnt));
mutex_unlock(&cfg->in4way_sync);
OSL_SLEEP(50);
mutex_lock(&cfg->in4way_sync);
max_wait_cnt--;
}
}
break;
case WL_EXT_STATUS_CONNECTING:
if (action & (NO_SCAN_IN4WAY|NO_BTC_IN4WAY)) {
bssidx = wl_get_bssidx_by_wdev(cfg, dev->ieee80211_ptr);
sec = wl_read_prof(cfg, dev, WL_PROF_SEC);
if ((sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2)) &&
bssidx == 0) {
dhdp->conf->eapol_status = EAPOL_STATUS_WPA_START;
cfg->handshaking = 1;
if (action & NO_BTC_IN4WAY) {
WL_TRACE(("status=%d, disable btc_mode\n", status));
wldev_iovar_setint(dev, "btc_mode", 0);
}
}
}
if (action & WAIT_DISCONNECTED) {
max_wait_time = 200;
max_wait_cnt = 10;
while (!time_after(jiffies,
cfg->disconnected_jiffies + msecs_to_jiffies(max_wait_time)) &&
max_wait_cnt) {
WL_TRACE(("status=%d, max_wait_cnt=%d waiting...\n",
status, max_wait_cnt));
mutex_unlock(&cfg->in4way_sync);
OSL_SLEEP(50);
mutex_lock(&cfg->in4way_sync);
max_wait_cnt--;
}
}
break;
case WL_EXT_STATUS_CONNECTED:
if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION) {
dhd_conf_set_wme(cfg->pub, 0);
dhd_conf_set_intiovar(cfg->pub, WLC_SET_VAR, "phy_oclscdenable",
cfg->pub->conf->phy_oclscdenable, 0, FALSE);
}
else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) {
dhd_conf_set_mchan_bw(cfg->pub, WL_P2P_IF_CLIENT, -1);
}
break;
case WL_EXT_STATUS_DISCONNECTED:
if (cur_eapol_status >= EAPOL_STATUS_WPA_START &&
cur_eapol_status < EAPOL_STATUS_WPA_END) {
WL_ERR(("WPA failed at %d\n", cur_eapol_status));
dhdp->conf->eapol_status = EAPOL_STATUS_NONE;
} else if (cur_eapol_status >= EAPOL_STATUS_WPS_WSC_START &&
cur_eapol_status < EAPOL_STATUS_WPS_DONE) {
WL_ERR(("WPS failed at %d\n", cur_eapol_status));
dhdp->conf->eapol_status = EAPOL_STATUS_NONE;
}
if (action & (NO_SCAN_IN4WAY|NO_BTC_IN4WAY)) {
if (cfg->handshaking) {
if (action & NO_BTC_IN4WAY) {
WL_TRACE(("status=%d, enable btc_mode\n", status));
wldev_iovar_setint(dev, "btc_mode", 1);
}
cfg->handshaking = 0;
}
}
if (action & WAIT_DISCONNECTED) {
cfg->disconnected_jiffies = jiffies;
}
break;
case WL_EXT_STATUS_ADD_KEY:
dhdp->conf->eapol_status = EAPOL_STATUS_WPA_END;
if (action & (NO_SCAN_IN4WAY|NO_BTC_IN4WAY)) {
if (cfg->handshaking) {
if (action & NO_BTC_IN4WAY) {
WL_TRACE(("status=%d, enable btc_mode\n", status));
wldev_iovar_setint(dev, "btc_mode", 1);
}
cfg->handshaking = 0;
}
}
break;
case WL_EXT_STATUS_AP_ENABLED:
if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP) {
dhd_conf_set_wme(cfg->pub, 1);
}
else if (dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) {
dhd_conf_set_mchan_bw(cfg->pub, WL_P2P_IF_GO, -1);
}
break;
case WL_EXT_STATUS_DELETE_STA:
if ((action & DONT_DELETE_GC_AFTER_WPS) &&
(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO)) {
u8* mac_addr = context;
if (mac_addr && memcmp(&ether_bcast, mac_addr, ETHER_ADDR_LEN) &&
cur_eapol_status == EAPOL_STATUS_WPS_DONE) {
u32 timeout;
max_wait_time = dhdp->conf->max_wait_gc_time;
WL_TRACE(("status=%d, wps_done=%d, waiting %dms ...\n",
status, cfg->wps_done, max_wait_time));
mutex_unlock(&cfg->in4way_sync);
timeout = wait_event_interruptible_timeout(cfg->wps_done_event,
cfg->wps_done, msecs_to_jiffies(max_wait_time));
mutex_lock(&cfg->in4way_sync);
WL_TRACE(("status=%d, wps_done=%d, timeout=%d\n",
status, cfg->wps_done, timeout));
if (timeout > 0) {
ret = -1;
break;
}
} else {
WL_TRACE(("status=%d, wps_done=%d => 0\n", status, cfg->wps_done));
cfg->wps_done = FALSE;
dhdp->conf->eapol_status = EAPOL_STATUS_NONE;
}
}
break;
case WL_EXT_STATUS_STA_DISCONNECTED:
if ((action & DONT_DELETE_GC_AFTER_WPS) &&
(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) &&
cur_eapol_status == EAPOL_STATUS_WPS_DONE) {
WL_TRACE(("status=%d, wps_done=%d => 0\n", status, cfg->wps_done));
cfg->wps_done = FALSE;
}
break;
case WL_EXT_STATUS_STA_CONNECTED:
if ((action & DONT_DELETE_GC_AFTER_WPS) &&
(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) &&
cur_eapol_status == EAPOL_STATUS_WPS_DONE) {
WL_TRACE(("status=%d, wps_done=%d => 1\n", status, cfg->wps_done));
cfg->wps_done = TRUE;
wake_up_interruptible(&cfg->wps_done_event);
}
break;
default:
WL_ERR(("Unknown action=0x%x, status=%d\n", action, status));
}
mutex_unlock(&cfg->in4way_sync);
return ret;
}