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android / kernel / x86_64 / refs/heads/android-x86_64-fugu-3.10-marshmallow-mr1 / . / drivers / net / wireless / bcmdhd / wl_cfg80211.c
blob: 32013264cf3b5ec3abdbd4926f001d8304cf48c6 [file] [log] [blame]
/*
* Linux cfg80211 driver
*
* Copyright (C) 1999-2014, Broadcom Corporation
*
* 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.
*
* $Id: wl_cfg80211.c 477711 2014-05-14 08:45:17Z $
*/
/* */
#include <typedefs.h>
#include <linuxver.h>
#include <osl.h>
#include <linux/kernel.h>
#include <bcmutils.h>
#include <bcmwifi_channels.h>
#include <bcmendian.h>
#include <proto/ethernet.h>
#include <proto/802.11.h>
#include <linux/if_arp.h>
#include <asm/uaccess.h>
#include <dngl_stats.h>
#include <dhd.h>
#include <dhd_linux.h>
#include <dhdioctl.h>
#include <wlioctl.h>
#include <dhd_cfg80211.h>
#ifdef PNO_SUPPORT
#include <dhd_pno.h>
#endif /* PNO_SUPPORT */
#include <proto/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 <wldev_common.h>
#include <wl_cfg80211.h>
#include <wl_cfgp2p.h>
#include <wl_android.h>
#ifdef PROP_TXSTATUS
#include <dhd_wlfc.h>
#endif
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0)) || defined(WL_VENDOR_EXT_SUPPORT)
#include <wl_cfgvendor.h>
#endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0)) || defined(WL_VENDOR_EXT_SUPPORT) */
#ifdef WL11U
#if !defined(WL_ENABLE_P2P_IF) && !defined(WL_CFG80211_P2P_DEV_IF)
#error You should enable 'WL_ENABLE_P2P_IF' or 'WL_CFG80211_P2P_DEV_IF' \
according to Kernel version and is supported only in Android-JB
#endif /* !WL_ENABLE_P2P_IF && !WL_CFG80211_P2P_DEV_IF */
#endif /* WL11U */
#define IW_WSEC_ENABLED(wsec) ((wsec) & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED))
static struct device *cfg80211_parent_dev = NULL;
/* g_bcm_cfg should be static. Do not change */
static struct bcm_cfg80211 *g_bcm_cfg = NULL;
u32 wl_dbg_level = WL_DBG_ERR;
#define MAX_WAIT_TIME 1500
#define CHAN_INFO_LEN 128
#define IBSS_IF_NAME "ibss%d"
#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 */
#ifdef WL_CFG80211_SYNC_GON
#define WL_DRV_STATUS_SENDING_AF_FRM_EXT(cfg) \
(wl_get_drv_status_all(cfg, SENDING_ACT_FRM) || \
wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM_LISTEN))
#else
#define WL_DRV_STATUS_SENDING_AF_FRM_EXT(cfg) wl_get_drv_status_all(cfg, SENDING_ACT_FRM)
#endif /* WL_CFG80211_SYNC_GON */
#define WL_IS_P2P_DEV_EVENT(e) ((e->emsg.ifidx == 0) && \
(e->emsg.bsscfgidx == P2PAPI_BSSCFG_DEVICE))
#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
/* 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.
*/
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 (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) && \
(defined(WL_IFACE_COMB_NUM_CHANNELS) || defined(WL_CFG80211_P2P_DEV_IF))
/*
* Possible interface combinations supported by driver
*
* ADHOC Mode - #ADHOC <= 1 on channels = 1
* SoftAP Mode - #AP <= 1 on channels = 1
* STA + P2P Mode - #STA <= 2, #{P2P-GO, P2P-client} <= 1, #P2P-device <= 1
* on channels = 2
*/
static const struct ieee80211_iface_limit common_if_limits[] = {
{
.max = 1,
.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:2 (wlan0 + group removal of p2p-wlan0-x)
*/
#ifdef WL_ENABLE_P2P_IF
.max = 3,
#else
.max = 2,
#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),
},
};
#ifdef BCM4330_CHIP
#define NUM_DIFF_CHANNELS 1
#else
#define NUM_DIFF_CHANNELS 2
#endif
static const struct ieee80211_iface_combination
common_iface_combinations[] = {
{
.num_different_channels = NUM_DIFF_CHANNELS,
.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) */
/* 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 MFP
#define WL_AKM_SUITE_MFP_1X 0x000FAC05
#define WL_AKM_SUITE_MFP_PSK 0x000FAC06
#endif /* MFP */
#ifndef IBSS_COALESCE_ALLOWED
#define IBSS_COALESCE_ALLOWED 0
#endif
#ifndef IBSS_INITIAL_SCAN_ALLOWED
#define IBSS_INITIAL_SCAN_ALLOWED 0
#endif
#define CUSTOM_RETRY_MASK 0xff000000 /* Mask for retry counter of custom dwell time */
/*
* cfg80211_ops api/callback list
*/
static s32 wl_frame_get_mgmt(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 */
static s32 wl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed);
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);
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);
static s32 wl_cfg80211_get_station(struct wiphy *wiphy,
struct net_device *dev, u8 *mac,
struct station_info *sinfo);
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);
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);
static s32 wl_cfg80211_del_station(struct wiphy *wiphy,
struct net_device *ndev, u8* mac_addr);
static s32 wl_cfg80211_change_station(struct wiphy *wiphy,
struct net_device *dev, u8 *mac, struct station_parameters *params);
#endif /* WL_SUPPORT_BACKPORTED_KPATCHES || KERNEL_VER >= KERNEL_VERSION(3, 2, 0)) */
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39))
static s32 wl_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
#else
static s32 wl_cfg80211_suspend(struct wiphy *wiphy);
#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);
static void wl_cfg80211_scan_abort(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))
static s32 wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, enum nl80211_tdls_operation oper);
#endif
#ifdef WL_SCHED_SCAN
static int wl_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev);
#endif
#if defined(DUAL_STA) || defined(DUAL_STA_STATIC_IF)
bcm_struct_cfgdev*
wl_cfg80211_create_iface(struct wiphy *wiphy, enum nl80211_iftype
iface_type, u8 *mac_addr, const char *name);
s32
wl_cfg80211_del_iface(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev);
#endif /* defined(DUAL_STA) || defined(DUAL_STA_STATIC_IF) */
/*
* 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 s32 wl_event_handler(void *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 wl_event_q *e);
static void wl_wakeup_event(struct bcm_cfg80211 *cfg);
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);
#endif /* GSCAN_SUPPORT */
static s32 wl_notifier_change_state(struct bcm_cfg80211 *cfg, struct net_info *_net_info,
enum wl_status state, bool set);
#ifdef WLTDLS
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, 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);
static s32 wl_get_assoc_ies(struct bcm_cfg80211 *cfg, struct net_device *ndev);
static void wl_ch_to_chanspec(int ch,
struct wl_join_params *join_params, size_t *join_params_size);
/*
* 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(struct wl_bss_info *bi, 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(bcm_tlv_t *wpa2ie, u8* capa);
#endif
#ifdef WL11U
bcm_tlv_t *
wl_cfg80211_find_interworking_ie(u8 *parse, u32 len);
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, void *data);
static void wl_free_wdev(struct bcm_cfg80211 *cfg);
#ifdef CONFIG_CFG80211_INTERNAL_REGDB
static int
wl_cfg80211_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request);
#endif /* CONFIG_CFG80211_INTERNAL_REGDB */
static s32 wl_inform_bss(struct bcm_cfg80211 *cfg);
static s32 wl_inform_single_bss(struct bcm_cfg80211 *cfg, struct wl_bss_info *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);
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);
static bool wl_is_linkdown(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e);
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_ifmode(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 iftype);
static void wl_init_conf(struct wl_conf *conf);
static s32 wl_cfg80211_handle_ifdel(struct bcm_cfg80211 *cfg, wl_if_event_info *if_event_info,
struct net_device* ndev);
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
static wl_scan_params_t *wl_cfg80211_scan_alloc_params(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 */
static void wl_send_event(struct net_device *dev, uint32 event_type, uint32 status, uint32 reason);
/*
* Some external functions, TODO: move them to dhd_linux.h
*/
int dhd_add_monitor(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 ROAM_CHANNEL_CACHE
void init_roam(int ioctl_ver);
void reset_roam_cache(void);
void add_roam_cache(wl_bss_info_t *bi);
int get_roam_channel_list(int target_chan,
chanspec_t *channels, const wlc_ssid_t *ssid, int ioctl_ver);
void print_roam_cache(void);
void set_roam_band(int band);
void update_roam_cache(struct bcm_cfg80211 *cfg, int ioctl_ver);
#define MAX_ROAM_CACHE_NUM 100
#endif /* ROAM_CHANNEL_CACHE */
static int wl_cfg80211_delayed_roam(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const struct ether_addr *bssid);
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 };
#define RETURN_EIO_IF_NOT_UP(wlpriv) \
do { \
struct net_device *checkSysUpNDev = bcmcfg_to_prmry_ndev(wlpriv); \
if (unlikely(!wl_get_drv_status(wlpriv, READY, checkSysUpNDev))) { \
WL_INFORM(("device is not ready\n")); \
return -EIO; \
} \
} while (0)
#ifdef RSSI_OFFSET
static s32 wl_rssi_offset(s32 rssi)
{
rssi += RSSI_OFFSET;
if (rssi > 0)
rssi = 0;
return rssi;
}
#else
#define wl_rssi_offset(x) x
#endif
#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 */
#if (WL_DBG_LEVEL > 0)
#define WL_DBG_ESTR_MAX 50
static s8 wl_dbg_estr[][WL_DBG_ESTR_MAX] = {
"SET_SSID", "JOIN", "START", "AUTH", "AUTH_IND",
"DEAUTH", "DEAUTH_IND", "ASSOC", "ASSOC_IND", "REASSOC",
"REASSOC_IND", "DISASSOC", "DISASSOC_IND", "QUIET_START", "QUIET_END",
"BEACON_RX", "LINK", "MIC_ERROR", "NDIS_LINK", "ROAM",
"TXFAIL", "PMKID_CACHE", "RETROGRADE_TSF", "PRUNE", "AUTOAUTH",
"EAPOL_MSG", "SCAN_COMPLETE", "ADDTS_IND", "DELTS_IND", "BCNSENT_IND",
"BCNRX_MSG", "BCNLOST_MSG", "ROAM_PREP", "PFN_NET_FOUND",
"PFN_NET_LOST",
"RESET_COMPLETE", "JOIN_START", "ROAM_START", "ASSOC_START",
"IBSS_ASSOC",
"RADIO", "PSM_WATCHDOG", "WLC_E_CCX_ASSOC_START", "WLC_E_CCX_ASSOC_ABORT",
"PROBREQ_MSG",
"SCAN_CONFIRM_IND", "PSK_SUP", "COUNTRY_CODE_CHANGED",
"EXCEEDED_MEDIUM_TIME", "ICV_ERROR",
"UNICAST_DECODE_ERROR", "MULTICAST_DECODE_ERROR", "TRACE",
"WLC_E_BTA_HCI_EVENT", "IF", "WLC_E_P2P_DISC_LISTEN_COMPLETE",
"RSSI", "PFN_SCAN_COMPLETE", "WLC_E_EXTLOG_MSG",
"ACTION_FRAME", "ACTION_FRAME_COMPLETE", "WLC_E_PRE_ASSOC_IND",
"WLC_E_PRE_REASSOC_IND", "WLC_E_CHANNEL_ADOPTED", "WLC_E_AP_STARTED",
"WLC_E_DFS_AP_STOP", "WLC_E_DFS_AP_RESUME", "WLC_E_WAI_STA_EVENT",
"WLC_E_WAI_MSG", "WLC_E_ESCAN_RESULT", "WLC_E_ACTION_FRAME_OFF_CHAN_COMPLETE",
"WLC_E_PROBRESP_MSG", "WLC_E_P2P_PROBREQ_MSG", "WLC_E_DCS_REQUEST", "WLC_E_FIFO_CREDIT_MAP",
"WLC_E_ACTION_FRAME_RX", "WLC_E_WAKE_EVENT", "WLC_E_RM_COMPLETE"
};
#endif /* WL_DBG_LEVEL */
#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,
WLAN_CIPHER_SUITE_AES_CMAC,
};
#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 */
#if defined(USE_DYNAMIC_MAXPKT_RXGLOM)
static int maxrxpktglom = 0;
#endif
/* IOCtl version read from targeted driver */
static int ioctl_version;
#ifdef DEBUGFS_CFG80211
#define S_SUBLOGLEVEL 20
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
static void wl_add_remove_pm_enable_work(struct bcm_cfg80211 *cfg, bool add_remove,
enum wl_handler_del_type type)
{
if (cfg == NULL)
return;
if (cfg->pm_enable_work_on) {
if (add_remove) {
schedule_delayed_work(&cfg->pm_enable_work,
msecs_to_jiffies(WL_PM_ENABLE_TIMEOUT));
} else {
cancel_delayed_work_sync(&cfg->pm_enable_work);
switch (type) {
case WL_HANDLER_MAINTAIN:
schedule_delayed_work(&cfg->pm_enable_work,
msecs_to_jiffies(WL_PM_ENABLE_TIMEOUT));
break;
case WL_HANDLER_PEND:
schedule_delayed_work(&cfg->pm_enable_work,
msecs_to_jiffies(WL_PM_ENABLE_TIMEOUT*2));
break;
case WL_HANDLER_DEL:
default:
cfg->pm_enable_work_on = false;
break;
}
}
}
}
/* Return a new chanspec given a legacy chanspec
* Returns INVCHANSPEC on error
*/
static 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
*/
static 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
*/
static 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);
}
/* convert hex string buffer to binary */
int
wl_cfg80211_hex_str_to_bin(unsigned char *data, int dlen, char *str)
{
int count, slen;
int hvalue;
char tmp[3] = {0};
char *ptr = str, *endp = NULL;
if (!data || !str || !dlen) {
WL_DBG((" passed buffer is empty \n"));
return 0;
}
slen = strlen(str);
if (dlen * 2 < slen) {
WL_DBG((" destination buffer too short \n"));
return 0;
}
if (slen % 2) {
WL_DBG((" source buffer is of odd length \n"));
return 0;
}
for (count = 0; count < slen; count += 2) {
memcpy(tmp, ptr, 2);
hvalue = simple_strtol(tmp, &endp, 16);
if (*endp != '\0') {
WL_DBG((" non hexadecimal character encountered \n"));
return 0;
}
*data++ = (unsigned char)hvalue;
ptr += 2;
}
return (slen / 2);
}
/* 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);
}
/* Dump the contents of the encoded wps ie buffer and get pbc value */
static void
wl_validate_wps_ie(char *wps_ie, s32 wps_ie_len, bool *pbc)
{
#define WPS_IE_FIXED_LEN 6
u16 len;
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 = (u16)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 -= subelt_len; /* for the remaining fields in this attribute */
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[100];
size_t namelen = MIN(subelt_len, sizeof(devname));
if (namelen) {
memcpy(devname, subel, namelen);
devname[namelen - 1] = '\0';
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 = g_bcm_cfg;
/* 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(dev, WLC_SET_RADIO, &disable, sizeof(disable), true);
if (unlikely(err)) {
WL_ERR(("WLC_SET_RADIO error (%d)\n", err));
return err;
}
if (dbm > 0xffff)
dbm = 0xffff;
txpwrqdbm = dbm * 4;
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;
struct bcm_cfg80211 *cfg = g_bcm_cfg;
err = wldev_iovar_getbuf_bsscfg(dev, "qtxpower",
NULL, 0, cfg->ioctl_buf, WLC_IOCTL_SMLEN, 0, &cfg->ioctl_buf_sync);
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
return err;
}
memcpy(&txpwrdbm, cfg->ioctl_buf, sizeof(txpwrdbm));
txpwrdbm = dtoh32(txpwrdbm);
*dbm = (txpwrdbm & ~WL_TXPWR_OVERRIDE) / 4;
WL_INFORM(("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 err = 0;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct net_device *dev = bcmcfg_to_prmry_ndev(cfg);
struct ether_addr bssid;
struct wl_bss_info *bss = NULL;
if ((err = wldev_ioctl(dev, WLC_GET_BSSID, &bssid, sizeof(bssid), false))) {
/* 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"));
return wl_ch_host_to_driver(WL_P2P_TEMP_CHAN);
}
*(u32 *) cfg->extra_buf = htod32(WL_EXTRA_BUF_MAX);
if ((err = wldev_ioctl(dev, WLC_GET_BSS_INFO, cfg->extra_buf,
WL_EXTRA_BUF_MAX, false))) {
WL_ERR(("Failed to get associated bss info, use temp channel \n"));
chspec = wl_ch_host_to_driver(WL_P2P_TEMP_CHAN);
}
else {
bss = (struct wl_bss_info *) (cfg->extra_buf + 4);
chspec = bss->chanspec;
WL_DBG(("Valid BSS Found. chanspec:%d \n", chspec));
}
return chspec;
}
static bcm_struct_cfgdev *
wl_cfg80211_add_monitor_if(char *name)
{
#if defined(WL_ENABLE_P2P_IF) || defined(WL_CFG80211_P2P_DEV_IF)
WL_INFORM(("wl_cfg80211_add_monitor_if: No more support monitor interface\n"));
return ERR_PTR(-EOPNOTSUPP);
#else
struct net_device* ndev = NULL;
dhd_add_monitor(name, &ndev);
WL_INFORM(("wl_cfg80211_add_monitor_if net device returned: 0x%p\n", ndev));
return ndev_to_cfgdev(ndev);
#endif /* WL_ENABLE_P2P_IF || WL_CFG80211_P2P_DEV_IF */
}
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 */
enum nl80211_iftype type, u32 *flags,
struct vif_params *params)
{
s32 err;
s32 timeout = -1;
s32 wlif_type = -1;
s32 mode = 0;
s32 val = 0;
s32 dhd_mode = 0;
chanspec_t chspec;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct net_device *primary_ndev;
struct net_device *new_ndev;
struct ether_addr primary_mac;
#ifdef PROP_TXSTATUS_VSDB
#if defined(BCMSDIO)
s32 up = 1;
dhd_pub_t *dhd;
bool enabled;
#endif
#endif /* PROP_TXSTATUS_VSDB */
if (!cfg)
return ERR_PTR(-EINVAL);
#ifdef PROP_TXSTATUS_VSDB
#if defined(BCMSDIO)
dhd = (dhd_pub_t *)(cfg->pub);
#endif
#endif /* PROP_TXSTATUS_VSDB */
/* 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);
}
WL_DBG(("if name: %s, type: %d\n", name, type));
switch (type) {
case NL80211_IFTYPE_ADHOC:
return bcm_cfg80211_add_ibss_if(wiphy, (char *)name);
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_MESH_POINT:
WL_ERR(("Unsupported interface type\n"));
mode = WL_MODE_IBSS;
return NULL;
case NL80211_IFTYPE_MONITOR:
return wl_cfg80211_add_monitor_if((char *)name);
#if defined(WL_CFG80211_P2P_DEV_IF)
case NL80211_IFTYPE_P2P_DEVICE:
return wl_cfgp2p_add_p2p_disc_if(cfg);
#endif /* WL_CFG80211_P2P_DEV_IF */
case NL80211_IFTYPE_STATION:
#ifdef DUAL_STA
if (cfg->ibss_cfgdev) {
WL_ERR(("AIBSS is already operational. "
" AIBSS & DUALSTA can't be used together \n"));
return NULL;
}
if (!name) {
WL_ERR(("Interface name not provided \n"));
return NULL;
}
return wl_cfg80211_create_iface(cfg->wdev->wiphy,
NL80211_IFTYPE_STATION, NULL, name);
#endif /* DUAL_STA */
case NL80211_IFTYPE_P2P_CLIENT:
wlif_type = WL_P2P_IF_CLIENT;
mode = WL_MODE_BSS;
break;
case NL80211_IFTYPE_P2P_GO:
case NL80211_IFTYPE_AP:
wlif_type = WL_P2P_IF_GO;
mode = WL_MODE_AP;
break;
default:
WL_ERR(("Unsupported interface type\n"));
return NULL;
break;
}
if (!name) {
WL_ERR(("name is NULL\n"));
return NULL;
}
if (cfg->p2p_supported && (wlif_type != -1)) {
ASSERT(cfg->p2p); /* ensure expectation of p2p initialization */
#ifdef PROP_TXSTATUS_VSDB
#if defined(BCMSDIO)
if (!dhd)
return ERR_PTR(-ENODEV);
#endif
#endif /* PROP_TXSTATUS_VSDB */
if (!cfg->p2p)
return ERR_PTR(-ENODEV);
if (cfg->p2p && !cfg->p2p->on && strstr(name, WL_P2P_INTERFACE_PREFIX)) {
p2p_on(cfg) = true;
wl_cfgp2p_set_firm_p2p(cfg);
wl_cfgp2p_init_discovery(cfg);
get_primary_mac(cfg, &primary_mac);
wl_cfgp2p_generate_bss_mac(&primary_mac,
&cfg->p2p->dev_addr, &cfg->p2p->int_addr);
}
memset(cfg->p2p->vir_ifname, 0, IFNAMSIZ);
strncpy(cfg->p2p->vir_ifname, name, IFNAMSIZ - 1);
wl_cfg80211_scan_abort(cfg);
#ifdef PROP_TXSTATUS_VSDB
#if defined(BCMSDIO)
if (!cfg->wlfc_on && !disable_proptx) {
dhd_wlfc_get_enable(dhd, &enabled);
if (!enabled && dhd->op_mode != DHD_FLAG_HOSTAP_MODE &&
dhd->op_mode != DHD_FLAG_IBSS_MODE) {
dhd_wlfc_init(dhd);
err = wldev_ioctl(primary_ndev, WLC_UP, &up, sizeof(s32), true);
if (err < 0)
WL_ERR(("WLC_UP return err:%d\n", err));
}
cfg->wlfc_on = true;
}
#endif
#endif /* PROP_TXSTATUS_VSDB */
/* 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));
if (wlif_type == WL_P2P_IF_GO)
wldev_iovar_setint(primary_ndev, "mpc", 0);
err = wl_cfgp2p_ifadd(cfg, &cfg->p2p->int_addr, htod32(wlif_type), chspec);
if (unlikely(err)) {
wl_clr_p2p_status(cfg, IF_ADDING);
WL_ERR((" virtual iface add failed (%d) \n", err));
return ERR_PTR(-ENOMEM);
}
timeout = wait_event_interruptible_timeout(cfg->netif_change_event,
(wl_get_p2p_status(cfg, IF_ADDING) == false),
msecs_to_jiffies(MAX_WAIT_TIME));
if (timeout > 0 && !wl_get_p2p_status(cfg, IF_ADDING) && cfg->if_event_info.valid) {
struct wireless_dev *vwdev;
int pm_mode = PM_ENABLE;
wl_if_event_info *event = &cfg->if_event_info;
/* IF_ADD event has come back, we can proceed to to register
* the new interface now, use the interface name provided by caller (thus
* ignore the one from wlc)
*/
strncpy(cfg->if_event_info.name, name, IFNAMSIZ - 1);
new_ndev = wl_cfg80211_allocate_if(cfg, event->ifidx, cfg->p2p->vir_ifname,
event->mac, event->bssidx);
if (new_ndev == NULL)
goto fail;
wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION) = new_ndev;
wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_CONNECTION) = event->bssidx;
vwdev = kzalloc(sizeof(*vwdev), GFP_KERNEL);
if (unlikely(!vwdev)) {
WL_ERR(("Could not allocate wireless device\n"));
goto fail;
}
vwdev->wiphy = cfg->wdev->wiphy;
WL_INFORM(("virtual interface(%s) is created\n", cfg->p2p->vir_ifname));
vwdev->iftype = type;
vwdev->netdev = new_ndev;
new_ndev->ieee80211_ptr = vwdev;
SET_NETDEV_DEV(new_ndev, wiphy_dev(vwdev->wiphy));
wl_set_drv_status(cfg, READY, new_ndev);
cfg->p2p->vif_created = true;
wl_set_mode_by_netdev(cfg, new_ndev, mode);
if (wl_cfg80211_register_if(cfg, event->ifidx, new_ndev) != BCME_OK) {
wl_cfg80211_remove_if(cfg, event->ifidx, new_ndev);
goto fail;
}
wl_alloc_netinfo(cfg, new_ndev, vwdev, mode, pm_mode);
val = 1;
/* Disable firmware roaming for P2P interface */
wldev_iovar_setint(new_ndev, "roam_off", val);
if (mode != WL_MODE_AP)
wldev_iovar_setint(new_ndev, "buf_key_b4_m4", 1);
WL_ERR((" virtual interface(%s) is "
"created net attach done\n", cfg->p2p->vir_ifname));
if (mode == WL_MODE_AP)
wl_set_drv_status(cfg, CONNECTED, new_ndev);
if (type == NL80211_IFTYPE_P2P_CLIENT)
dhd_mode = DHD_FLAG_P2P_GC_MODE;
else if (type == NL80211_IFTYPE_P2P_GO)
dhd_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
return ndev_to_cfgdev(new_ndev);
} else {
wl_clr_p2p_status(cfg, IF_ADDING);
WL_ERR((" virtual interface(%s) is not created \n", cfg->p2p->vir_ifname));
memset(cfg->p2p->vir_ifname, '\0', IFNAMSIZ);
cfg->p2p->vif_created = false;
#ifdef PROP_TXSTATUS_VSDB
#if defined(BCMSDIO)
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
#endif /* PROP_TXSTATUS_VSDB */
}
}
fail:
if (wlif_type == WL_P2P_IF_GO)
wldev_iovar_setint(primary_ndev, "mpc", 1);
return ERR_PTR(-ENODEV);
}
static s32
wl_cfg80211_del_virtual_iface(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev)
{
struct net_device *dev = NULL;
struct ether_addr p2p_mac;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
s32 timeout = -1;
s32 ret = 0;
s32 index = -1;
#ifdef CUSTOM_SET_CPUCORE
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
#endif /* CUSTOM_SET_CPUCORE */
WL_DBG(("Enter\n"));
#ifdef CUSTOM_SET_CPUCORE
dhd->chan_isvht80 &= ~DHD_FLAG_P2P_MODE;
if (!(dhd->chan_isvht80))
dhd_set_cpucore(dhd, FALSE);
#endif /* CUSTOM_SET_CPUCORE */
#if defined(WL_CFG80211_P2P_DEV_IF)
if (cfgdev->iftype == NL80211_IFTYPE_P2P_DEVICE) {
return wl_cfgp2p_del_p2p_disc_if(cfgdev, cfg);
}
#endif /* WL_CFG80211_P2P_DEV_IF */
dev = cfgdev_to_wlc_ndev(cfgdev, cfg);
if (cfgdev == cfg->ibss_cfgdev)
return bcm_cfg80211_del_ibss_if(wiphy, cfgdev);
#ifdef DUAL_STA
if (cfgdev == cfg->bss_cfgdev)
return wl_cfg80211_del_iface(wiphy, cfgdev);
#endif /* DUAL_STA */
if (wl_cfgp2p_find_idx(cfg, dev, &index) != BCME_OK) {
WL_ERR(("Find p2p index from ndev(%p) failed\n", dev));
return BCME_ERROR;
}
if (cfg->p2p_supported) {
memcpy(p2p_mac.octet, cfg->p2p->int_addr.octet, ETHER_ADDR_LEN);
/* Clear GO_NEG_PHASE bit to take care of GO-NEG-FAIL cases
*/
WL_DBG(("P2P: GO_NEG_PHASE status cleared "));
wl_clr_p2p_status(cfg, GO_NEG_PHASE);
if (cfg->p2p->vif_created) {
if (wl_get_drv_status(cfg, SCANNING, dev)) {
wl_notify_escan_complete(cfg, dev, true, true);
}
wldev_iovar_setint(dev, "mpc", 1);
/* Delete pm_enable_work */
wl_add_remove_pm_enable_work(cfg, FALSE, WL_HANDLER_DEL);
/* for GC */
if (wl_get_drv_status(cfg, DISCONNECTING, dev) &&
(wl_get_mode_by_netdev(cfg, dev) != WL_MODE_AP)) {
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));
/* for GO */
if (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP) {
wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, false);
/* disable interface before bsscfg free */
ret = wl_cfgp2p_ifdisable(cfg, &p2p_mac);
/* if fw doesn't support "ifdis",
do not wait for link down of ap mode
*/
if (ret == 0) {
WL_ERR(("Wait for Link Down event for GO !!!\n"));
wait_for_completion_timeout(&cfg->iface_disable,
msecs_to_jiffies(500));
} else if (ret != BCME_UNSUPPORTED) {
msleep(300);
}
}
wl_cfgp2p_clear_management_ie(cfg, index);
if (wl_get_mode_by_netdev(cfg, dev) != WL_MODE_AP)
wldev_iovar_setint(dev, "buf_key_b4_m4", 0);
/* delete interface after link down */
ret = wl_cfgp2p_ifdel(cfg, &p2p_mac);
if (ret != BCME_OK) {
struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
WL_ERR(("p2p_ifdel failed, error %d, sent HANG event to %s\n",
ret, ndev->name));
#if defined(BCMDONGLEHOST) && defined(OEM_ANDROID)
net_os_send_hang_message(ndev);
#endif
} else {
/* Wait for IF_DEL operation to be finished */
timeout = wait_event_interruptible_timeout(cfg->netif_change_event,
(wl_get_p2p_status(cfg, IF_DELETING) == false),
msecs_to_jiffies(MAX_WAIT_TIME));
if (timeout > 0 && !wl_get_p2p_status(cfg, IF_DELETING) &&
cfg->if_event_info.valid) {
WL_DBG(("IFDEL operation done\n"));
wl_cfg80211_handle_ifdel(cfg, &cfg->if_event_info, dev);
} else {
WL_ERR(("IFDEL didn't complete properly\n"));
}
}
ret = dhd_del_monitor(dev);
if (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP) {
DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_CANCEL((dhd_pub_t *)(cfg->pub));
}
}
}
return ret;
}
static s32
wl_cfg80211_change_virtual_iface(struct wiphy *wiphy, struct net_device *ndev,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params)
{
s32 ap = 0;
s32 infra = 0;
s32 ibss = 0;
s32 wlif_type;
s32 mode = 0;
s32 err = BCME_OK;
chanspec_t chspec;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
WL_DBG(("Enter type %d\n", type));
switch (type) {
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_MESH_POINT:
ap = 1;
WL_ERR(("type (%d) : currently we do not support this type\n",
type));
break;
case NL80211_IFTYPE_ADHOC:
mode = WL_MODE_IBSS;
ibss = 1;
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
mode = WL_MODE_BSS;
infra = 1;
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_P2P_GO:
mode = WL_MODE_AP;
ap = 1;
break;
default:
return -EINVAL;
}
if (!dhd)
return -EINVAL;
if (ap) {
wl_set_mode_by_netdev(cfg, ndev, mode);
if (cfg->p2p_supported && cfg->p2p->vif_created) {
WL_DBG(("p2p_vif_created (%d) p2p_on (%d)\n", cfg->p2p->vif_created,
p2p_on(cfg)));
wldev_iovar_setint(ndev, "mpc", 0);
wl_notify_escan_complete(cfg, ndev, true, true);
/* 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);
wlif_type = WL_P2P_IF_GO;
WL_ERR(("%s : ap (%d), infra (%d), iftype: (%d)\n",
ndev->name, ap, infra, type));
wl_set_p2p_status(cfg, IF_CHANGING);
wl_clr_p2p_status(cfg, IF_CHANGED);
wl_cfgp2p_ifchange(cfg, &cfg->p2p->int_addr, htod32(wlif_type), chspec);
wait_event_interruptible_timeout(cfg->netif_change_event,
(wl_get_p2p_status(cfg, IF_CHANGED) == true),
msecs_to_jiffies(MAX_WAIT_TIME));
wl_set_mode_by_netdev(cfg, ndev, mode);
dhd->op_mode &= ~DHD_FLAG_P2P_GC_MODE;
dhd->op_mode |= DHD_FLAG_P2P_GO_MODE;
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);
} else if (ndev == bcmcfg_to_prmry_ndev(cfg) &&
!wl_get_drv_status(cfg, AP_CREATED, ndev)) {
wl_set_drv_status(cfg, AP_CREATING, ndev);
if (!cfg->ap_info &&
!(cfg->ap_info = kzalloc(sizeof(struct ap_info), GFP_KERNEL))) {
WL_ERR(("struct ap_saved_ie allocation failed\n"));
return -ENOMEM;
}
} else {
WL_ERR(("Cannot change the interface for GO or SOFTAP\n"));
return -EINVAL;
}
} else {
WL_DBG(("Change_virtual_iface for transition from GO/AP to client/STA"));
}
if (ibss) {
infra = 0;
wl_set_mode_by_netdev(cfg, ndev, mode);
err = wldev_ioctl(ndev, WLC_SET_INFRA, &infra, sizeof(s32), true);
if (err < 0) {
WL_ERR(("SET Adhoc error %d\n", err));
return -EINVAL;
}
}
ndev->ieee80211_ptr->iftype = type;
return 0;
}
s32
wl_cfg80211_notify_ifadd(int ifidx, char *name, uint8 *mac, uint8 bssidx)
{
bool ifadd_expected = FALSE;
struct bcm_cfg80211 *cfg = g_bcm_cfg;
/* 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(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;
strncpy(if_event_info->name, name, IFNAMSIZ);
if_event_info->name[IFNAMSIZ] = '\0';
if (mac)
memcpy(if_event_info->mac, mac, ETHER_ADDR_LEN);
wake_up_interruptible(&cfg->netif_change_event);
return BCME_OK;
}
return BCME_ERROR;
}
s32
wl_cfg80211_notify_ifdel(int ifidx, char *name, uint8 *mac, uint8 bssidx)
{
bool ifdel_expected = FALSE;
struct bcm_cfg80211 *cfg = g_bcm_cfg;
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;
wake_up_interruptible(&cfg->netif_change_event);
return BCME_OK;
}
return BCME_ERROR;
}
s32
wl_cfg80211_notify_ifchange(int ifidx, char *name, uint8 *mac, uint8 bssidx)
{
struct bcm_cfg80211 *cfg = g_bcm_cfg;
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;
}
static s32 wl_cfg80211_handle_ifdel(struct bcm_cfg80211 *cfg, wl_if_event_info *if_event_info,
struct net_device* ndev)
{
s32 type = -1;
s32 bssidx = -1;
#ifdef PROP_TXSTATUS_VSDB
#if defined(BCMSDIO)
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
bool enabled;
#endif
#endif /* PROP_TXSTATUS_VSDB */
bssidx = if_event_info->bssidx;
if (bssidx != wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_CONNECTION)) {
WL_ERR(("got IF_DEL for if %d, not owned by cfg driver\n", bssidx));
return BCME_ERROR;
}
if (p2p_is_on(cfg) && cfg->p2p->vif_created) {
if (cfg->scan_request && (cfg->escan_info.ndev == ndev)) {
/* Abort any pending scan requests */
cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
WL_DBG(("ESCAN COMPLETED\n"));
wl_notify_escan_complete(cfg, cfg->escan_info.ndev, true, false);
}
memset(cfg->p2p->vir_ifname, '\0', IFNAMSIZ);
if (wl_cfgp2p_find_type(cfg, bssidx, &type) != BCME_OK) {
WL_ERR(("Find p2p type from bssidx(%d) failed\n", bssidx));
return BCME_ERROR;
}
wl_clr_drv_status(cfg, CONNECTED, wl_to_p2p_bss_ndev(cfg, type));
wl_to_p2p_bss_ndev(cfg, type) = NULL;
wl_to_p2p_bss_bssidx(cfg, type) = WL_INVALID;
cfg->p2p->vif_created = false;
#ifdef PROP_TXSTATUS_VSDB
#if defined(BCMSDIO)
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
#endif /* PROP_TXSTATUS_VSDB */
}
wl_cfg80211_remove_if(cfg, if_event_info->ifidx, ndev);
return BCME_OK;
}
/* Find listen channel */
static s32 wl_find_listen_channel(struct bcm_cfg80211 *cfg,
const u8 *ie, u32 ie_len)
{
wifi_p2p_ie_t *p2p_ie;
u8 *end, *pos;
s32 listen_channel;
pos = (u8 *)ie;
p2p_ie = wl_cfgp2p_find_p2pie(pos, ie_len);
if (p2p_ie == NULL)
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 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;
struct bcm_cfg80211 *cfg = g_bcm_cfg;
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++) {
chanspec = 0;
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 (request->channels[i]->band == IEEE80211_BAND_2GHZ) {
chanspec |= WL_CHANSPEC_BAND_2G;
} else {
chanspec |= WL_CHANSPEC_BAND_5G;
}
chanspec |= WL_CHANSPEC_BW_20;
chanspec |= WL_CHANSPEC_CTL_SB_NONE;
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 = request->ssids[i].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(ndev, WLC_GET_VALID_CHANNELS, valid_chan_list, size, false);
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;
s32 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;
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;
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 *) kzalloc(params_size, GFP_KERNEL);
if (params == NULL) {
err = -ENOMEM;
goto exit;
}
wl_scan_prep(&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"));
kfree(params);
err = -ENOMEM;
goto exit;
}
err = wldev_iovar_setbuf(ndev, "escan", params, params_size,
cfg->escan_ioctl_buf, WLC_IOCTL_MEDLEN, NULL);
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));
}
kfree(params);
}
else if (p2p_is_on(cfg) && p2p_scan(cfg)) {
/* P2P SCAN TRIGGER */
s32 _freq = 0;
n_nodfs = 0;
if (request && request->n_channels) {
num_chans = request->n_channels;
WL_SCAN((" chann number : %d\n", num_chans));
default_chan_list = kzalloc(num_chans * sizeof(*default_chan_list),
GFP_KERNEL);
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))) {
list = (wl_uint32_list_t *) chan_buf;
n_valid_chan = dtoh32(list->count);
for (i = 0; i < num_chans; i++)
{
_freq = request->channels[i]->center_freq;
channel = ieee80211_frequency_to_channel(_freq);
/* 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
continue;
for (j = 0; j < n_valid_chan; j++) {
/* allows only supported channel on
* current reguatory
*/
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_INFORM(("P2P SEARCH PHASE START \n"));
} else if ((dev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION)) &&
(wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP)) {
/* If you are already a GO, then do SEARCH only */
WL_INFORM(("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;
} 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_INFORM(("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, cfg->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;
kfree(default_chan_list);
}
exit:
if (unlikely(err)) {
/* Don't print Error incase of Scan suppress */
if ((err == BCME_EPERM) && cfg->scan_suppressed)
WL_DBG(("Escan failed: Scan Suppressed \n"));
else
WL_ERR(("error (%d)\n", err));
}
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;
wl_scan_results_t *results;
WL_SCAN(("Enter \n"));
mutex_lock(&cfg->usr_sync);
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(ndev, WLC_SET_PASSIVE_SCAN,
&passive_scan, sizeof(passive_scan), true);
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
goto exit;
}
err = wl_run_escan(cfg, ndev, request, WL_SCAN_ACTION_START);
exit:
mutex_unlock(&cfg->usr_sync);
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
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
dhd_pub_t *dhd;
dhd = (dhd_pub_t *)(cfg->pub);
/*
* Hostapd triggers scan before starting automatic channel selection
* also Dump stats IOVAR scans each channel hence returning from here.
*/
if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) {
#ifdef WL_SUPPORT_ACS
WL_INFORM(("Scan Command at SoftAP mode\n"));
return 0;
#else
WL_ERR(("Invalid Scan Command at SoftAP mode\n"));
return -EINVAL;
#endif /* WL_SUPPORT_ACS */
}
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_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 */
/* Arm scan timeout timer */
mod_timer(&cfg->scan_timeout, jiffies + msecs_to_jiffies(WL_SCAN_TIMER_INTERVAL_MS));
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_ssid = true;
break;
}
}
if (p2p_ssid) {
if (cfg->p2p_supported) {
/* 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(&primary_mac,
&cfg->p2p->dev_addr, &cfg->p2p->int_addr);
}
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 (wl_cfgp2p_find_idx(cfg, ndev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from ndev(%p) failed\n",
ndev));
err = BCME_ERROR;
goto scan_out;
}
#ifdef WL11U
if ((interworking_ie = wl_cfg80211_find_interworking_ie(
(u8 *)request->ie, request->ie_len)) != NULL) {
err = wl_cfg80211_add_iw_ie(cfg, ndev, bssidx,
VNDR_IE_CUSTOM_FLAG, interworking_ie->id,
interworking_ie->data, interworking_ie->len);
if (unlikely(err)) {
goto scan_out;
}
} else if (cfg->iw_ie_len != 0) {
/* we have to clear IW IE and disable gratuitous APR */
wl_cfg80211_add_iw_ie(cfg, ndev, bssidx,
VNDR_IE_CUSTOM_FLAG,
DOT11_MNG_INTERWORKING_ID,
0, 0);
wldev_iovar_setint_bsscfg(ndev, "grat_arp", 0,
bssidx);
cfg->wl11u = FALSE;
/* we don't care about error */
}
#endif /* WL11U */
err = wl_cfgp2p_set_management_ie(cfg, ndev, bssidx,
VNDR_IE_PRBREQ_FLAG, (u8 *)request->ie,
request->ie_len);
if (unlikely(err)) {
goto scan_out;
}
}
}
} else { /* scan in ibss */
ssids = this_ssid;
}
cfg->scan_request = request;
wl_set_drv_status(cfg, SCANNING, ndev);
if (cfg->p2p_supported) {
if (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;
return 0;
scan_out:
if (err == BCME_BUSY || err == BCME_NOTREADY) {
WL_ERR(("Scan err = (%d), busy?%d", err, -EBUSY));
err = -EBUSY;
}
#define SCAN_EBUSY_RETRY_LIMIT 10
if (err == -EBUSY) {
if (busy_count++ > SCAN_EBUSY_RETRY_LIMIT) {
struct ether_addr bssid;
s32 ret = 0;
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)));
bzero(&bssid, sizeof(bssid));
if ((ret = wldev_ioctl(ndev, WLC_GET_BSSID,
&bssid, ETHER_ADDR_LEN, false)) == 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 {
busy_count = 0;
}
wl_clr_drv_status(cfg, SCANNING, ndev);
if (timer_pending(&cfg->scan_timeout))
del_timer_sync(&cfg->scan_timeout);
spin_lock_irqsave(&cfg->cfgdrv_lock, flags);
cfg->scan_request = NULL;
spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags);
return err;
}
#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 */
{
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);
err = __wl_cfg80211_scan(wiphy, ndev, request, NULL);
if (unlikely(err)) {
if ((err == BCME_EPERM) && cfg->scan_suppressed)
WL_DBG(("scan not permitted at this time (%d)\n", err));
else
WL_ERR(("scan error (%d)\n", err));
return err;
}
return err;
}
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);
retry = htod32(retry);
err = wldev_ioctl(dev, cmd, &retry, sizeof(retry), true);
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)
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)
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)
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) {
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;
u16 kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL;
#define LOCAL_BUF_SIZE 1024
buf = (u8 *) kzalloc(LOCAL_BUF_SIZE, kflags);
if (!buf) {
WL_ERR(("buf memory alloc failed\n"));
goto exit;
}
list = (wl_uint32_list_t *)(void *)buf;
list->count = htod32(WL_NUMCHANSPECS);
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;
}
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)
kfree(buf);
#undef LOCAL_BUF_SIZE
WL_INFORM(("return chanspec %x %d\n", ret_c, bw));
return ret_c;
}
void
wl_cfg80211_ibss_vsie_set_buffer(vndr_ie_setbuf_t *ibss_vsie, int ibss_vsie_len)
{
struct bcm_cfg80211 *cfg = g_bcm_cfg;
if (cfg != NULL && ibss_vsie != NULL) {
if (cfg->ibss_vsie != NULL) {
kfree(cfg->ibss_vsie);
}
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) {
kfree(cfg->ibss_vsie);
cfg->ibss_vsie = NULL;
cfg->ibss_vsie_len = 0;
}
}
s32
wl_cfg80211_ibss_vsie_delete(struct net_device *dev)
{
struct bcm_cfg80211 *cfg = g_bcm_cfg;
char *ioctl_buf = NULL;
s32 ret = BCME_OK;
if (cfg != NULL && cfg->ibss_vsie != NULL) {
ioctl_buf = kmalloc(WLC_IOCTL_MEDLEN, GFP_KERNEL);
if (!ioctl_buf) {
WL_ERR(("ioctl memory alloc failed\n"));
return -ENOMEM;
}
/* 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(dev, "ie",
cfg->ibss_vsie, cfg->ibss_vsie_len,
ioctl_buf, WLC_IOCTL_MEDLEN, NULL);
WL_ERR(("ret=%d\n", ret));
if (ret == BCME_OK) {
/* free & initiralize VSIE */
kfree(cfg->ibss_vsie);
cfg->ibss_vsie = NULL;
cfg->ibss_vsie_len = 0;
}
if (ioctl_buf) {
kfree(ioctl_buf);
}
}
return ret;
}
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, NULL);
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;
strncpy(event->name, name, IFNAMSIZ - 1);
/* 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);
if (new_ndev == NULL)
goto fail;
wdev = kzalloc(sizeof(*wdev), GFP_KERNEL);
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) != BCME_OK)
goto fail;
wl_alloc_netinfo(cfg, new_ndev, wdev, WL_MODE_IBSS, PM_ENABLE);
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);
if (wdev)
kfree(wdev);
return NULL;
}
#if defined(DUAL_STA) || defined(DUAL_STA_STATIC_IF)
s32
wl_cfg80211_add_del_bss(struct bcm_cfg80211 *cfg,
struct net_device *ndev, s32 bsscfg_idx,
enum nl80211_iftype iface_type, s32 del, u8 *addr)
{
s32 ret = BCME_OK;
s32 val = 0;
struct {
s32 cfg;
s32 val;
struct ether_addr ea;
} bss_setbuf;
WL_INFORM(("iface_type:%d del:%d \n", iface_type, del));
bzero(&bss_setbuf, sizeof(bss_setbuf));
/* AP=3, STA=2, up=1, down=0, val=-1 */
if (del) {
val = -1;
} else if (iface_type == NL80211_IFTYPE_AP) {
/* AP Interface */
WL_DBG(("Adding AP Interface \n"));
val = 3;
} else if (iface_type == NL80211_IFTYPE_STATION) {
WL_DBG(("Adding STA Interface \n"));
val = 2;
} else {
WL_ERR((" add_del_bss NOT supported for IFACE type:0x%x", iface_type));
return -EINVAL;
}
bss_setbuf.cfg = htod32(bsscfg_idx);
bss_setbuf.val = htod32(val);
if (addr) {
memcpy(&bss_setbuf.ea.octet, addr, ETH_ALEN);
}
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;
}
/* Create a Generic Network Interface and initialize it depending up on
* the interface type
*/
bcm_struct_cfgdev*
wl_cfg80211_create_iface(struct wiphy *wiphy,
enum nl80211_iftype iface_type,
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 = 1;
u32 timeout;
wl_if_event_info *event = NULL;
struct wireless_dev *wdev = NULL;
u8 addr[ETH_ALEN];
WL_DBG(("Enter\n"));
if (!name) {
WL_ERR(("Interface name not provided\n"));
return NULL;
}
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);
}
if ((iface_type != NL80211_IFTYPE_STATION) && (iface_type != NL80211_IFTYPE_AP)) {
WL_ERR(("IFACE type:%d not supported. STA "
"or AP IFACE is only supported\n", iface_type));
return NULL;
}
cfg->bss_pending_op = TRUE;
memset(&cfg->if_event_info, 0, sizeof(cfg->if_event_info));
/* De-initialize the p2p discovery interface, if operational */
if (p2p_is_on(cfg)) {
WL_DBG(("Disabling P2P Discovery Interface \n"));
#ifdef WL_CFG80211_P2P_DEV_IF
ret = wl_cfg80211_scan_stop(bcmcfg_to_p2p_wdev(cfg));
#else
ret = wl_cfg80211_scan_stop(cfg->p2p_net);
#endif
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;
}
/*
* Intialize the firmware I/F.
*/
if ((ret = wl_cfg80211_add_del_bss(cfg, primary_ndev,
bsscfg_idx, iface_type, 0, addr)) < 0) {
return NULL;
}
/*
* 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 fail;
}
/*
* Since FW operation is successful,we can go ahead with the
* the host interface creation.
*/
event = &cfg->if_event_info;
strncpy(event->name, name, IFNAMSIZ - 1);
new_ndev = wl_cfg80211_allocate_if(cfg, event->ifidx,
event->name, addr, event->bssidx);
if (!new_ndev) {
WL_ERR(("I/F allocation failed! \n"));
goto fail;
} else
WL_DBG(("I/F allocation succeeded! ifidx:0x%x bssidx:0x%x \n",
event->ifidx, event->bssidx));
wdev = kzalloc(sizeof(*wdev), GFP_KERNEL);
if (!wdev) {
WL_ERR(("wireless_dev alloc failed! \n"));
goto fail;
}
wdev->wiphy = wiphy;
wdev->iftype = iface_type;
new_ndev->ieee80211_ptr = wdev;
SET_NETDEV_DEV(new_ndev, wiphy_dev(wdev->wiphy));
/* RTNL lock must have been acquired. */
ASSERT_RTNL();
/* Set the locally administed mac addr, if not applied already */
if (memcmp(addr, event->mac, ETH_ALEN) != 0) {
ret = wldev_iovar_setbuf_bsscfg(primary_ndev, "cur_etheraddr", addr, ETH_ALEN,
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, event->bssidx, &cfg->ioctl_buf_sync);
if (unlikely(ret)) {
WL_ERR(("set cur_etheraddr Error (%d)\n", ret));
goto fail;
}
memcpy(new_ndev->dev_addr, addr, ETH_ALEN);
}
if (wl_cfg80211_register_if(cfg, event->ifidx, new_ndev) != BCME_OK) {
WL_ERR(("IFACE register failed \n"));
goto fail;
}
/* Initialize with the station mode params */
wl_alloc_netinfo(cfg, new_ndev, wdev,
(iface_type == NL80211_IFTYPE_STATION) ?
WL_MODE_BSS : WL_MODE_AP, PM_ENABLE);
cfg->bss_cfgdev = ndev_to_cfgdev(new_ndev);
cfg->cfgdev_bssidx = event->bssidx;
WL_DBG(("Host Network Interface for Secondary I/F created"));
return cfg->bss_cfgdev;
fail:
cfg->bss_pending_op = FALSE;
if (new_ndev)
wl_cfg80211_remove_if(cfg, event->ifidx, new_ndev);
if (wdev)
kfree(wdev);
return NULL;
}
s32
wl_cfg80211_del_iface(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
struct net_device *ndev = NULL;
struct net_device *primary_ndev = NULL;
s32 ret = BCME_OK;
s32 bsscfg_idx = 1;
u32 timeout;
enum nl80211_iftype iface_type = NL80211_IFTYPE_STATION;
WL_DBG(("Enter\n"));
if (!cfg->bss_cfgdev)
return 0;
/* 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);
}
ndev = cfgdev_to_ndev(cfg->bss_cfgdev);
primary_ndev = bcmcfg_to_prmry_ndev(cfg);
cfg->bss_pending_op = TRUE;
memset(&cfg->if_event_info, 0, sizeof(cfg->if_event_info));
/* Delete the firmware interface */
if ((ret = wl_cfg80211_add_del_bss(cfg, ndev,
bsscfg_idx, iface_type, true, NULL)) < 0) {
WL_ERR(("DEL bss failed ret:%d \n", ret));
return ret;
}
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"));
}
wl_cfg80211_remove_if(cfg, cfg->if_event_info.ifidx, ndev);
cfg->bss_cfgdev = NULL;
cfg->cfgdev_bssidx = -1;
cfg->bss_pending_op = FALSE;
WL_DBG(("IF_DEL Done.\n"));
return ret;
}
#endif /* defined(DUAL_STA) || defined(DUAL_STA_STATIC_IF) */
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 = 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, NULL);
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);
cfg->ibss_cfgdev = NULL;
return 0;
fail:
cfg->bss_pending_op = FALSE;
return -1;
}
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(("JOIN BSSID:" MACDBG "\n", MAC2STRDBG(params->bssid)));
if (!params->ssid || params->ssid_len <= 0) {
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 *ssid = (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, ssid->SSID, ssid->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",
ssid->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 (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, (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(dev, WLC_SET_DESIRED_BSSID, &join_params.params.bssid,
ETHER_ADDR_LEN, true);
if (unlikely(err)) {
WL_ERR(("Error (%d)\n", err));
return err;
}
} else
memset(&join_params.params.bssid, 0, ETHER_ADDR_LEN);
wldev_iovar_setint(dev, "ibss_coalesce_allowed", IBSS_COALESCE_ALLOWED);
if (IBSS_INITIAL_SCAN_ALLOWED == FALSE) {
scan_suppress = TRUE;
/* Set the SCAN SUPPRESS Flag in the firmware to skip join scan */
err = wldev_ioctl(dev, WLC_SET_SCANSUPPRESS,
&scan_suppress, sizeof(int), true);
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(dev, WLC_SET_SSID, &join_params,
join_params_size, true);
if (unlikely(err)) {
WL_ERR(("Error (%d)\n", err));
return err;
}
if (IBSS_INITIAL_SCAN_ALLOWED == FALSE) {
scan_suppress = FALSE;
/* Reset the SCAN SUPPRESS Flag */
err = wldev_ioctl(dev, WLC_SET_SCANSUPPRESS,
&scan_suppress, sizeof(int), true);
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);
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_ERR(("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(dev, WLC_DISASSOC, &scbval,
sizeof(scb_val_t), true);
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(bcm_tlv_t *wpa2ie, u8* capa)
{
u16 suite_count;
wpa_suite_mcast_t *mcast;
wpa_suite_ucast_t *ucast;
u16 len;
wpa_suite_auth_key_mgmt_t *mgmt;
if (!wpa2ie)
return -1;
len = wpa2ie->len;
mcast = (wpa_suite_mcast_t *)&wpa2ie->data[WPA2_VERSION_LEN];
if ((len -= WPA_SUITE_LEN) <= 0)
return BCME_BADLEN;
ucast = (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;
mgmt = (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) {
capa[0] = *(u8 *)&mgmt->list[suite_count];
capa[1] = *((u8 *)&mgmt->list[suite_count] + 1);
} else
return BCME_BADLEN;
return 0;
}
#endif /* MFP */
static s32
wl_set_wpa_version(struct net_device *dev, struct cfg80211_connect_params *sme)
{
struct bcm_cfg80211 *cfg = g_bcm_cfg;
struct wl_security *sec;
s32 val = 0;
s32 err = 0;
s32 bssidx;
if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
return BCME_ERROR;
}
if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
val = WPA_AUTH_PSK |
WPA_AUTH_UNSPECIFIED;
else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
val = WPA2_AUTH_PSK|
WPA2_AUTH_UNSPECIFIED;
else
val = WPA_AUTH_DISABLED;
if (is_wps_conn(sme))
val = WPA_AUTH_DISABLED;
WL_DBG(("setting wpa_auth to 0x%0x\n", 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;
}
static s32
wl_set_auth_type(struct net_device *dev, struct cfg80211_connect_params *sme)
{
struct bcm_cfg80211 *cfg = g_bcm_cfg;
struct wl_security *sec;
s32 val = 0;
s32 err = 0;
s32 bssidx;
if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
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;
default:
val = 2;
WL_ERR(("invalid auth type (%d)\n", sme->auth_type));
break;
}
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 = g_bcm_cfg;
struct wl_security *sec;
s32 pval = 0;
s32 gval = 0;
s32 err = 0;
s32 wsec_val = 0;
#ifdef MFP
s32 mfp = 0;
bcm_tlv_t *wpa2_ie;
u8 rsn_cap[2];
#endif /* MFP */
s32 bssidx;
if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
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;
default:
WL_ERR(("invalid cipher pairwise (%d)\n",
sme->crypto.ciphers_pairwise[0]));
return -EINVAL;
}
}
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;
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)
err = wldev_iovar_setint_bsscfg(dev, "wsec", 4, bssidx);
else
/* WPS-2.0 allows no security */
err = wldev_iovar_setint_bsscfg(dev, "wsec", 0, bssidx);
} else {
WL_DBG((" NO, is_wps_conn, Set pval | gval to WSEC"));
wsec_val = pval | gval;
#ifdef MFP
if (pval == AES_ENABLED) {
if (((wpa2_ie = bcm_parse_tlvs((u8 *)sme->ie, sme->ie_len,
DOT11_MNG_RSN_ID)) != NULL) &&
(wl_cfg80211_get_rsn_capa(wpa2_ie, rsn_cap) == 0)) {
if (rsn_cap[0] & RSN_CAP_MFPC) {
/* MFP Capability advertised by supplicant. Check
* whether MFP is supported in the firmware
*/
if ((err = wldev_iovar_getint_bsscfg(dev,
"mfp", &mfp, bssidx)) < 0) {
WL_ERR(("Get MFP failed! "
"Check MFP support in FW \n"));
return -1;
}
if ((sme->crypto.n_akm_suites == 1) &&
((sme->crypto.akm_suites[0] ==
WL_AKM_SUITE_MFP_PSK) ||
(sme->crypto.akm_suites[0] ==
WL_AKM_SUITE_MFP_1X))) {
wsec_val |= MFP_SHA256;
} else if (sme->crypto.n_akm_suites > 1) {
WL_ERR(("Multiple AKM Specified \n"));
return -EINVAL;
}
wsec_val |= MFP_CAPABLE;
if (rsn_cap[0] & RSN_CAP_MFPR)
wsec_val |= MFP_REQUIRED;
}
}
}
#endif /* MFP */
WL_DBG((" Set WSEC to fW 0x%x \n", 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;
}
static s32
wl_set_key_mgmt(struct net_device *dev, struct cfg80211_connect_params *sme)
{
struct bcm_cfg80211 *cfg = g_bcm_cfg;
struct wl_security *sec;
s32 val = 0;
s32 err = 0;
s32 bssidx;
if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
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 |
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;
default:
WL_ERR(("invalid cipher group (%d)\n",
sme->crypto.cipher_group));
return -EINVAL;
}
} else if (val & (WPA2_AUTH_PSK |
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_MFP_1X:
val = WPA2_AUTH_UNSPECIFIED;
break;
case WL_AKM_SUITE_MFP_PSK:
val = WPA2_AUTH_PSK;
break;
#endif
case WLAN_AKM_SUITE_PSK:
val = WPA2_AUTH_PSK;
break;
default:
WL_ERR(("invalid cipher group (%d)\n",
sme->crypto.cipher_group));
return -EINVAL;
}
}
WL_DBG(("setting wpa_auth to %d\n", val));
err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", val, bssidx);
if (unlikely(err)) {
WL_ERR(("could not set wpa_auth (%d)\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 = g_bcm_cfg;
struct wl_security *sec;
struct wl_wsec_key key;
s32 val;
s32 err = 0;
s32 bssidx;
if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
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)) &&
(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;
}
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_INFO(("%s: chanspec(%x:%d)\n", __FUNCTION__, chanspec, isvht80));
return isvht80;
}
#endif /* CUSTOM_SET_CPUCORE || CONFIG_TCPACK_FASTTX */
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;
struct wl_join_params join_params;
struct ether_addr bssid;
wl_extjoin_params_t *ext_join_params;
size_t join_params_size;
#if defined(ROAM_ENABLE) && defined(ROAM_AP_ENV_DETECTION)
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
s32 roam_trigger[2] = {0, 0};
#endif /* ROAM_AP_ENV_DETECTION */
u8* wpaie = 0;
u8 chan_info[CHAN_INFO_LEN] = {0}, *chan_ptr;
u32 wpaie_len = 0;
u32 timeout;
u32 chan_cnt = 0, i, w_count = 0;
s32 wait_cnt;
s32 bssidx;
s32 err = 0;
#ifdef ROAM_CHANNEL_CACHE
chanspec_t chanspec_list[MAX_ROAM_CACHE_NUM];
#endif /* ROAM_CHANNEL_CACHE */
wpa_ie_fixed_t *wpa_ie;
bcm_tlv_t *wpa2_ie;
bool use_chan_cache = FALSE;
WL_DBG(("In\n"));
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;
}
RETURN_EIO_IF_NOT_UP(cfg);
chan_ptr = chan_info;
/*
* Cancel ongoing scan to sync up with sme state machine of cfg80211.
*/
if (cfg->scan_request) {
wl_notify_escan_complete(cfg, dev, true, true);
}
#ifdef WL_SCHED_SCAN
if (cfg->sched_scan_req) {
wl_cfg80211_sched_scan_stop(wiphy, bcmcfg_to_prmry_ndev(cfg));
}
#endif
#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
#if defined(USE_DYNAMIC_MAXPKT_RXGLOM)
maxrxpktglom = 0;
#endif
bzero(&bssid, sizeof(bssid));
if (!wl_get_drv_status(cfg, CONNECTED, dev)&&
(err = wldev_ioctl(dev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN, false)) == 0) {
if (!ETHER_ISNULLADDR(&bssid)) {
scb_val_t scbval;
wl_set_drv_status(cfg, DISCONNECTING, dev);
scbval.val = DOT11_RC_DISASSOC_LEAVING;
memcpy(&scbval.ea, &bssid, ETHER_ADDR_LEN);
scbval.val = htod32(scbval.val);
WL_DBG(("drv status CONNECTED is not set, but connected in FW!" MACDBG "/n",
MAC2STRDBG(bssid.octet)));
err = wldev_ioctl(dev, WLC_DISASSOC, &scbval,
sizeof(scb_val_t), true);
if (unlikely(err)) {
wl_clr_drv_status(cfg, DISCONNECTING, dev);
WL_ERR(("error (%d)\n", err));
return err;
}
wait_cnt = 500/10;
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);
}
} else
WL_DBG(("Currently not associated!\n"));
} else if (wl_get_drv_status(cfg, DISCONNECTING, dev)) {
timeout = wait_event_interruptible_timeout(cfg->event_sync_wq,
!wl_get_drv_status(cfg, DISCONNECTING, dev),
msecs_to_jiffies(MAX_WAIT_TIME/3));
if (timeout <= 0 || wl_get_drv_status(cfg, DISCONNECTING, dev)) {
WL_ERR(("timeout in waiting disconnect event\n"));
}
wl_clr_drv_status(cfg, DISCONNECTING, 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 (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
return BCME_ERROR;
}
wl_cfgp2p_set_management_ie(cfg, dev, bssidx,
VNDR_IE_ASSOCREQ_FLAG, sme->ie, sme->ie_len);
} else if (dev == bcmcfg_to_prmry_ndev(cfg)) {
/* find the RSN_IE */
if ((wpa2_ie = bcm_parse_tlvs((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((u8 *)sme->ie,
sme->ie_len)) != NULL) {
WL_DBG((" WPA IE is found\n"));
}
if (wpa_ie != NULL || wpa2_ie != NULL) {
wpaie = (wpa_ie != NULL) ? (u8 *)wpa_ie : (u8 *)wpa2_ie;
wpaie_len = (wpa_ie != NULL) ? wpa_ie->length : wpa2_ie->len;
wpaie_len += WPA_RSN_IE_TAG_FIXED_LEN;
wldev_iovar_setbuf(dev, "wpaie", wpaie, wpaie_len,
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
} else {
wldev_iovar_setbuf(dev, "wpaie", NULL, 0,
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
}
if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
return BCME_ERROR;
}
err = wl_cfgp2p_set_management_ie(cfg, dev, bssidx,
VNDR_IE_ASSOCREQ_FLAG, (u8 *)sme->ie, sme->ie_len);
if (unlikely(err)) {
return err;
}
}
#if defined(ROAM_ENABLE) && defined(ROAM_AP_ENV_DETECTION)
if (dhd->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);
if (is_roamtrig_reset && is_roam_env_ok) {
roam_trigger[0] = WL_AUTO_ROAM_TRIGGER;
roam_trigger[1] = WLC_BAND_ALL;
err = wldev_ioctl(dev, WLC_SET_ROAM_TRIGGER, roam_trigger,
sizeof(roam_trigger), true);
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 {
#ifdef ROAM_CHANNEL_CACHE
wlc_ssid_t ssid;
int band;
use_chan_cache = TRUE;
err = wldev_get_band(dev, &band);
if (!err) {
set_roam_band(band);
}
cfg->channel = 0;
memcpy(ssid.SSID, sme->ssid, sme->ssid_len);
ssid.SSID_len = sme->ssid_len;
chan_cnt = get_roam_channel_list(cfg->channel, chanspec_list, &ssid, ioctl_version);
#else
cfg->channel = 0;
#endif /* ROAM_CHANNEL_CACHE */
}
WL_DBG(("ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len));
WL_DBG(("3. set wapi version \n"));
err = wl_set_wpa_version(dev, sme);
if (unlikely(err)) {
WL_ERR(("Invalid wpa_version\n"));
return err;
}
err = wl_set_auth_type(dev, sme);
if (unlikely(err)) {
WL_ERR(("Invalid auth type\n"));
return err;
}
err = wl_set_set_cipher(dev, sme);
if (unlikely(err)) {
WL_ERR(("Invalid ciper\n"));
return err;
}
err = wl_set_key_mgmt(dev, sme);
if (unlikely(err)) {
WL_ERR(("Invalid key mgmt\n"));
return err;
}
err = wl_set_set_sharedkey(dev, sme);
if (unlikely(err)) {
WL_ERR(("Invalid shared key\n"));
return err;
}
/*
* 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*)kzalloc(join_params_size, GFP_KERNEL);
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) {
if (use_chan_cache) {
memcpy(ext_join_params->assoc.chanspec_list, chanspec_list,
sizeof(chanspec_t) * chan_cnt);
for (i = 0; i < chan_cnt; i++) {
w_count += snprintf(chan_ptr + w_count, sizeof(chan_info) - w_count, "%d",
wf_chspec_ctlchan(chanspec_list[i]));
if (i != chan_cnt - 1) {
w_count += snprintf(chan_ptr + w_count, sizeof(chan_info) - w_count, ", ");
}
}
} else {
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;
bw = WL_CHANSPEC_BW_20;
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]);
snprintf(chan_ptr, sizeof(chan_info), "%d", channel);
}
} else {
snprintf(chan_ptr, sizeof(chan_info), "0");
}
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_INFORM(("ssid \"%s\", len (%d)\n", ext_join_params->ssid.SSID,
ext_join_params->ssid.SSID_len));
}
wl_set_drv_status(cfg, CONNECTING, dev);
if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
return BCME_ERROR;
}
err = wldev_iovar_setbuf_bsscfg(dev, "join", ext_join_params, join_params_size,
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
WL_ERR(("Connecting to " MACDBG " with channel (%s) ssid %s\n",
MAC2STRDBG((u8*)(&ext_join_params->assoc.bssid)),
chan_info, ext_join_params->ssid.SSID));
kfree(ext_join_params);
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(("error (%d)\n", err));
goto exit;
}
} else
goto exit;
set_ssid:
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);
wl_ch_to_chanspec(cfg->channel, &join_params, &join_params_size);
WL_DBG(("join_param_size %zu\n", join_params_size));
if (join_params.ssid.SSID_len < IEEE80211_MAX_SSID_LEN) {
WL_INFORM(("ssid \"%s\", len (%d)\n", join_params.ssid.SSID,
join_params.ssid.SSID_len));
}
wl_set_drv_status(cfg, CONNECTING, dev);
err = wldev_ioctl(dev, WLC_SET_SSID, &join_params, join_params_size, true);
if (err) {
WL_ERR(("error (%d)\n", err));
wl_clr_drv_status(cfg, CONNECTING, dev);
}
exit:
return err;
}
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;
#ifdef CUSTOM_SET_CPUCORE
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
#endif /* CUSTOM_SET_CPUCORE */
WL_ERR(("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);
if (act || wl_get_drv_status(cfg, CONNECTING, dev)) {
/*
* Cancel ongoing scan to sync up with sme state machine of cfg80211.
*/
/* Let scan aborted by F/W */
if (cfg->scan_request) {
wl_notify_escan_complete(cfg, dev, true, true);
}
wl_set_drv_status(cfg, DISCONNECTING, dev);
if (wl_get_drv_status(cfg, CONNECTING, dev)) {
/* in case of associating status, this will abort assoc procedure */
wl_notify_escan_complete(cfg, dev, false, true);
/* send pseudo connection failure event */
wl_send_event(dev, WLC_E_SET_SSID, WLC_E_STATUS_ABORT, 0);
} else {
scbval.val = reason_code;
memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN);
scbval.val = htod32(scbval.val);
err = wldev_ioctl(dev, WLC_DISASSOC, &scbval,
sizeof(scb_val_t), true);
if (unlikely(err)) {
wl_clr_drv_status(cfg, DISCONNECTING, dev);
WL_ERR(("error (%d)\n", err));
return err;
}
}
}
#ifdef CUSTOM_SET_CPUCORE
/* set default cpucore */
if (dev == bcmcfg_to_prmry_ndev(cfg)) {
dhd->chan_isvht80 &= ~DHD_FLAG_STA_MODE;
if (!(dhd->chan_isvht80))
dhd_set_cpucore(dhd, FALSE);
}
#endif /* CUSTOM_SET_CPUCORE */
return err;
}
#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 */
{
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;
}
#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 */
{
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 (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
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(dev, WLC_SET_KEY_PRIMARY, &index,
sizeof(index), true);
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 (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
return BCME_ERROR;
}
memset(&key, 0, sizeof(key));
key.index = (u32) key_idx;
if (!ETHER_ISMULTI(mac_addr))
memcpy((char *)&key.ea, (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 */
u8 *ivptr;
ivptr = (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;
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;
}
}
return err;
}
int
wl_cfg80211_enable_roam_offload(struct net_device *dev, bool enable)
{
int err;
wl_eventmsg_buf_t ev_buf;
if (dev != bcmcfg_to_prmry_ndev(g_bcm_cfg)) {
/* roam offload is only for the primary device */
return -1;
}
err = wldev_iovar_setint(dev, "roam_offload", (int)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, g_bcm_cfg, &ev_buf);
if (!err) {
g_bcm_cfg->roam_offload = enable;
}
return err;
}
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 (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
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));
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;
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);
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;
}
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 (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
return BCME_ERROR;
}
WL_DBG(("Enter\n"));
#ifndef IEEE80211W
if ((key_idx >= DOT11_MAX_DEFAULT_KEYS) && (key_idx < DOT11_MAX_DEFAULT_KEYS+2))
return -EINVAL;
#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;
}
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 (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
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);
memcpy(params.key, key.data, params.key_len);
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 & ~SES_OW_ENABLED) {
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;
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)
{
WL_INFORM(("Not supported\n"));
return -EOPNOTSUPP;
}
static s32
wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_info *sinfo)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
scb_val_t scb_val;
s32 rssi;
s32 rate;
s32 err = 0;
sta_info_t *sta;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0))
s8 eabuf[ETHER_ADDR_STR_LEN];
#endif
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
RETURN_EIO_IF_NOT_UP(cfg);
if (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP) {
err = wldev_iovar_getbuf(dev, "sta_info", (struct ether_addr *)mac,
ETHER_ADDR_LEN, cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync);
if (err < 0) {
WL_ERR(("GET STA INFO failed, %d\n", err));
return err;
}
sinfo->filled = STATION_INFO_INACTIVE_TIME;
sta = (sta_info_t *)cfg->ioctl_buf;
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))
if (sta->flags & WL_STA_ASSOC) {
sinfo->filled |= STATION_INFO_CONNECTED_TIME;
sinfo->connected_time = sta->in;
}
WL_INFORM(("STA %s : idle time : %d sec, connected time :%d ms\n",
bcm_ether_ntoa((const struct ether_addr *)mac, eabuf), sinfo->inactive_time,
sta->idle * 1000));
#endif
} else if (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_BSS ||
wl_get_mode_by_netdev(cfg, dev) == WL_MODE_IBSS) {
get_pktcnt_t pktcnt;
u8 *curmacp;
if (cfg->roam_offload) {
struct ether_addr bssid;
err = wldev_ioctl(dev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN, false);
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;
}
}
}
if (!wl_get_drv_status(cfg, CONNECTED, dev) ||
(dhd_is_associated(dhd, NULL, &err) == FALSE)) {
WL_ERR(("NOT assoc\n"));
if (err == -ERESTARTSYS)
return err;
err = -ENODEV;
return err;
}
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 */
err = wldev_ioctl(dev, WLC_GET_RATE, &rate, sizeof(rate), false);
if (err) {
WL_ERR(("Could not get rate (%d)\n", err));
} else {
#if defined(USE_DYNAMIC_MAXPKT_RXGLOM)
int rxpktglom;
#endif
rate = dtoh32(rate);
sinfo->filled |= STATION_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, NULL);
if (err < 0) {
WL_ERR(("set bus:maxtxpktglom failed, %d\n", err));
}
}
#endif
}
memset(&scb_val, 0, sizeof(scb_val));
scb_val.val = 0;
err = wldev_ioctl(dev, WLC_GET_RSSI, &scb_val,
sizeof(scb_val_t), false);
if (err) {
WL_ERR(("Could not get rssi (%d)\n", err));
goto get_station_err;
}
rssi = wl_rssi_offset(dtoh32(scb_val.val));
sinfo->filled |= STATION_INFO_SIGNAL;
sinfo->signal = rssi;
WL_DBG(("RSSI %d dBm\n", rssi));
err = wldev_ioctl(dev, WLC_GET_PKTCNTS, &pktcnt,
sizeof(pktcnt), false);
if (!err) {
sinfo->filled |= (STATION_INFO_RX_PACKETS |
STATION_INFO_RX_DROP_MISC |
STATION_INFO_TX_PACKETS |
STATION_INFO_TX_FAILED);
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;
}
get_station_err:
if (err && (err != -ERESTARTSYS)) {
/* Disconnect due to zero BSSID or error to get RSSI */
WL_ERR(("force cfg80211_disconnected: %d\n", err));
wl_clr_drv_status(cfg, CONNECTED, dev);
cfg80211_disconnected(dev, 0, NULL, 0, GFP_KERNEL);
wl_link_down(cfg);
}
}
else {
WL_ERR(("Invalid device mode %d\n", wl_get_mode_by_netdev(cfg, dev)));
}
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);
RETURN_EIO_IF_NOT_UP(cfg);
WL_DBG(("Enter\n"));
if (cfg->p2p_net == dev || _net_info == NULL || cfg->vsdb_mode ||
!wl_get_drv_status(cfg, CONNECTED, dev)) {
return err;
}
/* Delete pm_enable_work */
wl_add_remove_pm_enable_work(cfg, FALSE, WL_HANDLER_PEND);
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;
}
pm = htod32(pm);
WL_DBG(("%s:power save %s\n", dev->name, (pm ? "enabled" : "disabled")));
err = wldev_ioctl(dev, WLC_SET_PM, &pm, sizeof(pm), true);
if (unlikely(err)) {
if (err == -ENODEV)
WL_DBG(("net_device is not ready yet\n"));
else
WL_ERR(("error (%d)\n", err));
return err;
}
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(dev, WLC_GET_PM, &pm, sizeof(pm), true);
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;
}
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 = 0;
if (unlikely(!wl_get_drv_status(cfg, READY, ndev))) {
WL_INFORM(("device is not ready\n"));
return 0;
}
return err;
}
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39))
static s32 wl_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow)
#else
static s32 wl_cfg80211_suspend(struct wiphy *wiphy)
#endif
{
#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(("device is not ready : status (%d)\n",
(int)cfg->status));
return 0;
}
for_each_ndev(cfg, iter, next)
wl_set_drv_status(cfg, SCAN_ABORTING, iter->ndev);
spin_lock_irqsave(&cfg->cfgdrv_lock, flags);
if (cfg->scan_request) {
cfg80211_scan_done(cfg->scan_request, true);
cfg->scan_request = NULL;
}
for_each_ndev(cfg, iter, next) {
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 (wl_get_drv_status(cfg, CONNECTING, iter->ndev)) {
wl_bss_connect_done(cfg, iter->ndev, NULL, NULL, false);
}
}
#endif /* DHD_CLEAR_ON_SUSPEND */
return 0;
}
static s32
wl_update_pmklist(struct net_device *dev, struct wl_pmk_list *pmk_list,
s32 err)
{
int i, j;
struct bcm_cfg80211 *cfg = g_bcm_cfg;
struct net_device *primary_dev = bcmcfg_to_prmry_ndev(cfg);
if (!pmk_list) {
printk("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(("Not supporting Flushing pmklist on virtual"
" interfaces than primary interface\n"));
return err;
}
WL_DBG(("No of elements %d\n", pmk_list->pmkids.npmkid));
for (i = 0; i < pmk_list->pmkids.npmkid; 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]));
}
}
if (likely(!err)) {
err = wldev_iovar_setbuf(dev, "pmkid_info", (char *)pmk_list,
sizeof(*pmk_list), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync);
}
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;
RETURN_EIO_IF_NOT_UP(cfg);
for (i = 0; i < cfg->pmk_list->pmkids.npmkid; i++)
if (!memcmp(pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID,
ETHER_ADDR_LEN))
break;
if (i < WL_NUM_PMKIDS_MAX) {
memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID, pmksa->bssid,
ETHER_ADDR_LEN);
memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID, pmksa->pmkid,
WPA2_PMKID_LEN);
if (i == cfg->pmk_list->pmkids.npmkid)
cfg->pmk_list->pmkids.npmkid++;
} else {
err = -EINVAL;
}
WL_DBG(("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
&cfg->pmk_list->pmkids.pmkid[cfg->pmk_list->pmkids.npmkid - 1].BSSID));
for (i = 0; i < WPA2_PMKID_LEN; i++) {
WL_DBG(("%02x\n",
cfg->pmk_list->pmkids.pmkid[cfg->pmk_list->pmkids.npmkid - 1].
PMKID[i]));
}
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);
struct _pmkid_list pmkid = {0};
s32 err = 0;
int i;
RETURN_EIO_IF_NOT_UP(cfg);
memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETHER_ADDR_LEN);
memcpy(pmkid.pmkid[0].PMKID, pmksa->pmkid, WPA2_PMKID_LEN);
WL_DBG(("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
&pmkid.pmkid[0].BSSID));
for (i = 0; i < WPA2_PMKID_LEN; i++) {
WL_DBG(("%02x\n", pmkid.pmkid[0].PMKID[i]));
}
for (i = 0; i < cfg->pmk_list->pmkids.npmkid; i++)
if (!memcmp
(pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID,
ETHER_ADDR_LEN))
break;
if ((cfg->pmk_list->pmkids.npmkid > 0) &&
(i < cfg->pmk_list->pmkids.npmkid)) {
memset(&cfg->pmk_list->pmkids.pmkid[i], 0, sizeof(pmkid_t));
for (; i < (cfg->pmk_list->pmkids.npmkid - 1); i++) {
memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID,
&cfg->pmk_list->pmkids.pmkid[i + 1].BSSID,
ETHER_ADDR_LEN);
memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID,
&cfg->pmk_list->pmkids.pmkid[i + 1].PMKID,
WPA2_PMKID_LEN);
}
cfg->pmk_list->pmkids.npmkid--;
} 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));
err = wl_update_pmklist(dev, cfg->pmk_list, err);
return err;
}
static wl_scan_params_t *
wl_cfg80211_scan_alloc_params(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*) kzalloc(params_size, GFP_KERNEL);
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;
}
#if defined(WL_CFG80211_P2P_DEV_IF)
static s32
wl_cfg80211_remain_on_channel(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev,
struct ieee80211_channel *channel, unsigned int duration, u64 *cookie)
#else
static s32
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);
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
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;
}
#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"));
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_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(&primary_mac, &cfg->p2p->dev_addr, &cfg->p2p->int_addr);
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 */
/* 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_INFORM(("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));
}
return err;
}
static s32
wl_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
bcm_struct_cfgdev *cfgdev, u64 cookie)
{
s32 err = 0;
#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 */
return err;
}
static void
wl_cfg80211_afx_handler(struct work_struct *work)
{
struct afx_hdl *afx_instance;
struct bcm_cfg80211 *cfg = g_bcm_cfg;
s32 ret = BCME_OK;
afx_instance = container_of(work, struct afx_hdl, work);
if (afx_instance != 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;
if (dev == NULL)
return -1;
WL_DBG((" enter ) \n"));
wl_set_drv_status(cfg, FINDING_COMMON_CHANNEL, dev);
cfg->afx_hdl->is_active = 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 (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 */
/* To make sure to send successfully action frame, we have to turn off mpc
* 0: off, 1: on, (-1): do nothing
*/
s32 mpc_onoff;
#ifdef WL_CFG80211_SYNC_GON
bool extra_listen;
#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_SYNC_GON
config_af_params->extra_listen = true;
#endif
config_af_params->search_channel = false;
config_af_params->max_tx_retry = WL_AF_TX_MAX_RETRY;
config_af_params->mpc_onoff = -1;
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->mpc_onoff = 0;
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_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);
/* turn on mpc again if go nego is done */
config_af_params->mpc_onoff = 1;
/* 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_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;
}
config_af_params->mpc_onoff = 0;
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_MIN_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;
struct wl_bss_info *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_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;
#ifdef VSDB
ulong off_chan_started_jiffies = 0;
#endif
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
/* 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.mpc_onoff = -1;
config_af_params.search_channel = false;
#ifdef WL_CFG80211_SYNC_GON
config_af_params.extra_listen = false;
#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"));
}
} 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;
} 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;
}
}
/* To make sure to send successfully action frame, we have to turn off mpc */
if (config_af_params.mpc_onoff == 0) {
wldev_iovar_setint(dev, "mpc", 0);
}
/* validate channel and p2p ies */
if (config_af_params.search_channel && IS_P2P_SOCIAL(af_params->channel) &&
wl_to_p2p_bss_saved_ie(cfg, P2PAPI_BSSCFG_DEVICE).p2p_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
/* 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);
}
#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;
/* search peer's channel */
if (config_af_params.search_channel) {
/* initialize afx_hdl */
if (wl_cfgp2p_find_idx(cfg, dev, &cfg->afx_hdl->bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
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);
goto exit;
}
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.
*/
wl_cfgp2p_discover_enable_search(cfg, false);
/* update channel */
af_params->channel = cfg->afx_hdl->peer_chan;
}
#ifdef VSDB
off_chan_started_jiffies = jiffies;
#endif /* VSDB */
wl_cfgp2p_print_actframe(true, action_frame->data, action_frame->len, af_params->channel);
/* Now send a tx action frame */
ack = wl_cfgp2p_tx_action_frame(cfg, dev, af_params, bssidx) ? false : true;
/* if failed, retry it. tx_retry_max value is configure by .... */
while ((ack == false) && (tx_retry++ < config_af_params.max_tx_retry)) {
#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;
}
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 &&
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);
if (cfg->afx_hdl->pending_tx_act_frm)
cfg->afx_hdl->pending_tx_act_frm = NULL;
WL_INFORM(("-- sending Action Frame is %s, listen chan: %d\n",
(ack) ? "Succeeded!!":"Failed!!", cfg->afx_hdl->my_listen_chan));
/* if all done, turn mpc on again */
if (config_af_params.mpc_onoff == 1) {
wldev_iovar_setint(dev, "mpc", 1);
}
return ack;
}
#define MAX_NUM_OF_ASSOCIATED_DEV 64
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
static s32
wl_cfg80211_mgmt_tx(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev,
struct cfg80211_mgmt_tx_params *params, u64 *cookie)
#else
static s32
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))
bool no_cck,
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
bool dont_wait_for_ack,
#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
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"));
dev = cfgdev_to_wlc_ndev(cfgdev, cfg);
/* set bsscfg idx for iovar (wlan0: P2PAPI_BSSCFG_PRIMARY, p2p: P2PAPI_BSSCFG_DEVICE) */
if (discover_cfgdev(cfgdev, cfg)) {
bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE);
}
else {
if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
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_cfgp2p_set_management_ie(cfg, dev, bssidx,
VNDR_IE_PRBRSP_FLAG, (u8 *)(buf + ie_offset), ie_len);
cfg80211_mgmt_tx_status(cfgdev, *cookie, buf, len, true, GFP_KERNEL);
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(dev, WLC_GET_ASSOCLIST,
assoc_maclist, sizeof(mac_buf), false);
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(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scb_val,
sizeof(scb_val_t), true);
if (err < 0)
WL_ERR(("WLC_SCB_DEAUTHENTICATE_FOR_REASON error %d\n", err));
WL_ERR(("Disconnect STA : %s scb_val.val %d\n",
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 *) kzalloc(WL_WIFI_AF_PARAMS_SIZE, GFP_KERNEL);
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
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);
kfree(af_params);
exit:
return err;
}
static void
wl_cfg80211_mgmt_frame_register(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev,
u16 frame_type, bool reg)
{
WL_DBG(("frame_type: %x, reg: %d\n", frame_type, reg));
if (frame_type != (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;
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;
err = wldev_iovar_setint(dev, "ap_isolate", ap_isolate);
if (unlikely(err))
{
WL_ERR(("set ap_isolate Error (%d)\n", err));
}
}
if (params->ht_opmode >= 0) {
}
return 0;
}
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};
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
#ifdef CUSTOM_SET_CPUCORE
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
#endif /* CUSTOM_SET_CPUCORE */
dev = ndev_to_wlc_ndev(dev, cfg);
_chan = ieee80211_frequency_to_channel(chan->center_freq);
WL_ERR(("netdev_ifidx(%d), chan_type(%d) target channel(%d) \n",
dev->ifindex, channel_type, _chan));
if (chan->band == IEEE80211_BAND_5GHZ) {
param.band = WLC_BAND_5G;
err = wldev_iovar_getbuf(dev, "bw_cap", &param, sizeof(param),
cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync);
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(cfg->ioctl_buf[0]))
bw = WL_CHANSPEC_BW_80;
else if (WL_BW_CAP_40MHZ(cfg->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(dev, WLC_SET_CHANNEL,
&_chan, sizeof(_chan), true);
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));
}
} 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 ((dev == wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION)) &&
(chspec & WL_CHANSPEC_BW_80)) {
/* If GO is vht80 */
dhd->chan_isvht80 |= DHD_FLAG_P2P_MODE;
dhd_set_cpucore(dhd, TRUE);
}
#endif /* CUSTOM_SET_CPUCORE */
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;
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;
}
return NULL;
}
#endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */
static s32
wl_validate_opensecurity(struct net_device *dev, s32 bssidx)
{
s32 err = BCME_OK;
/* set auth */
err = wldev_iovar_setint_bsscfg(dev, "auth", 0, bssidx);
if (err < 0) {
WL_ERR(("auth error %d\n", err));
return BCME_ERROR;
}
/* set wsec */
err = wldev_iovar_setint_bsscfg(dev, "wsec", 0, 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_NONE, bssidx);
if (err < 0) {
WL_ERR(("wpa_auth error %d\n", err));
return BCME_ERROR;
}
return 0;
}
static s32
wl_validate_wpa2ie(struct net_device *dev, 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;
wpa_suite_mcast_t *mcast;
wpa_suite_ucast_t *ucast;
wpa_suite_auth_key_mgmt_t *mgmt;
u16 suite_count;
u8 rsn_cap[2];
u32 wme_bss_disable;
if (wpa2ie == NULL)
goto exit;
WL_DBG(("Enter \n"));
len = wpa2ie->len;
/* check the mcast cipher */
mcast = (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;
default:
WL_ERR(("No Security Info\n"));
break;
}
if ((len -= WPA_SUITE_LEN) <= 0)
return BCME_BADLEN;
/* check the unicast cipher */
ucast = (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;
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 = (wpa_suite_auth_key_mgmt_t *)&ucast->list[suite_count];
suite_count = ltoh16_ua(&mgmt->count);
switch (mgmt->list[0].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;
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] = *(u8 *)&mgmt->list[suite_count];
rsn_cap[1] = *((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;
}
/* 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));
}
/* 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;
}
static s32
wl_validate_wpaie(struct net_device *dev, wpa_ie_fixed_t *wpaie, s32 bssidx)
{
wpa_suite_mcast_t *mcast;
wpa_suite_ucast_t *ucast;
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(("no multicast cipher suite\n"));
goto exit;
}
/* pick up multicast cipher */
mcast = (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(("no unicast suite\n"));
goto exit;
}
/* walk thru unicast cipher list and pick up what we recognize */
ucast = (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((" no auth key mgmt suite\n"));
goto exit;
}
/* walk thru auth management suite list and pick up what we recognize */
mgmt = (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;
}
static s32
wl_cfg80211_bcn_validate_sec(
struct net_device *dev,
struct parsed_ies *ies,
u32 dev_role,
s32 bssidx)
{
struct bcm_cfg80211 *cfg = g_bcm_cfg;
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 ((ies->wpa2_ie || ies->wpa_ie) &&
((wl_validate_wpa2ie(dev, ies->wpa2_ie, bssidx) < 0 ||
wl_validate_wpaie(dev, ies->wpa_ie, bssidx) < 0))) {
cfg->ap_info->security_mode = false;
return BCME_ERROR;
}
cfg->ap_info->security_mode = true;
if (cfg->ap_info->rsn_ie) {
kfree(cfg->ap_info->rsn_ie);
cfg->ap_info->rsn_ie = NULL;
}
if (cfg->ap_info->wpa_ie) {
kfree(cfg->ap_info->wpa_ie);
cfg->ap_info->wpa_ie = NULL;
}
if (cfg->ap_info->wps_ie) {
kfree(cfg->ap_info->wps_ie);
cfg->ap_info->wps_ie = NULL;
}
if (ies->wpa_ie != NULL) {
/* WPAIE */
cfg->ap_info->rsn_ie = NULL;
cfg->ap_info->wpa_ie = kmemdup(ies->wpa_ie,
ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN,
GFP_KERNEL);
} else if (ies->wpa2_ie != NULL) {
/* RSNIE */
cfg->ap_info->wpa_ie = NULL;
cfg->ap_info->rsn_ie = kmemdup(ies->wpa2_ie,
ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN,
GFP_KERNEL);
}
if (!ies->wpa2_ie && !ies->wpa_ie) {
wl_validate_opensecurity(dev, bssidx);
cfg->ap_info->security_mode = false;
}
if (ies->wps_ie) {
cfg->ap_info->wps_ie = kmemdup(ies->wps_ie, ies->wps_ie_len, GFP_KERNEL);
}
}
return 0;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0))
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 = g_bcm_cfg;
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(dev, WLC_SET_BCNPRD,
&info->beacon_interval, sizeof(s32), true)) < 0) {
WL_ERR(("Beacon Interval Set Error, %d\n", err));
return err;
}
}
if (info->dtim_period) {
if ((err = wldev_ioctl(dev, WLC_SET_DTIMPRD,
&info->dtim_period, sizeof(s32), true)) < 0) {
WL_ERR(("DTIM Interval Set Error, %d\n", err));
return err;
}
}
if ((info->ssid) && (info->ssid_len > 0) &&
(info->ssid_len <= 32)) {
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, 32);
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, 32);
memcpy(cfg->p2p->ssid.SSID, info->ssid, info->ssid_len);
cfg->p2p->ssid.SSID_len = info->ssid_len;
}
}
if (info->hidden_ssid) {
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
static s32
wl_cfg80211_parse_ies(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 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;
}
static s32
wl_cfg80211_bcn_bringup_ap(
struct net_device *dev,
struct parsed_ies *ies,
u32 dev_role, s32 bssidx)
{
struct bcm_cfg80211 *cfg = g_bcm_cfg;
struct wl_join_params join_params;
bool is_bssup = false;
s32 infra = 1;
s32 join_params_size = 0;
s32 ap = 1;
#ifdef DISABLE_11H_SOFTAP
s32 spect = 0;
#endif /* DISABLE_11H_SOFTAP */
#ifdef MAX_GO_CLIENT_CNT
s32 bss_maxassoc = MAX_GO_CLIENT_CNT;
#endif
s32 err = BCME_OK;
WL_DBG(("Enter dev_role: %d\n", dev_role));
/* Common code for SoftAP and P2P GO */
wldev_iovar_setint(dev, "mpc", 0);
if (dev_role == NL80211_IFTYPE_P2P_GO) {
is_bssup = wl_cfgp2p_bss_isup(dev, bssidx);
if (!is_bssup && (ies->wpa2_ie != NULL)) {
err = wldev_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(s32), true);
if (err < 0) {
WL_ERR(("SET INFRA error %d\n", err));
goto exit;
}
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;
}
/* Do abort scan before creating GO */
wl_cfg80211_scan_abort(cfg);
if ((err = wl_cfgp2p_bss(cfg, dev, bssidx, 1)) < 0) {
WL_ERR(("GO Bring up error %d\n", err));
goto exit;
}
#ifdef MAX_GO_CLIENT_CNT
err = wldev_iovar_setint_bsscfg(dev, "bss_maxassoc", bss_maxassoc, bssidx);
if (unlikely(err)) {
WL_ERR(("bss_maxassoc error (%d)\n", err));
goto exit;
}
#endif
} else
WL_DBG(("Bss is already up\n"));
} else if ((dev_role == NL80211_IFTYPE_AP) &&
(wl_get_drv_status(cfg, AP_CREATING, dev))) {
/* Device role SoftAP */
err = wldev_ioctl(dev, WLC_DOWN, &ap, sizeof(s32), true);
if (err < 0) {
WL_ERR(("WLC_DOWN error %d\n", err));
goto exit;
}
err = wldev_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(s32), true);
if (err < 0) {
WL_ERR(("SET INFRA error %d\n", err));
goto exit;
}
if ((err = wldev_ioctl(dev, WLC_SET_AP, &ap, sizeof(s32), true)) < 0) {
WL_ERR(("setting AP mode failed %d \n", err));
goto exit;
}
#ifdef DISABLE_11H_SOFTAP
err = wldev_ioctl(dev, WLC_SET_SPECT_MANAGMENT, &spect, sizeof(s32), true);
if (err < 0) {
WL_ERR(("SET SPECT_MANAGMENT error %d\n", err));
goto exit;
}
#endif /* DISABLE_11H_SOFTAP */
err = wldev_ioctl(dev, WLC_UP, &ap, sizeof(s32), true);
if (unlikely(err)) {
WL_ERR(("WLC_UP error (%d)\n", err));
goto exit;
}
memset(&join_params, 0, sizeof(join_params));
/* join parameters starts with ssid */
join_params_size = sizeof(join_params.ssid);
memcpy(join_params.ssid.SSID, cfg->hostapd_ssid.SSID,
cfg->hostapd_ssid.SSID_len);
join_params.ssid.SSID_len = htod32(cfg->hostapd_ssid.SSID_len);
/* create softap */
if ((err = wldev_ioctl(dev, WLC_SET_SSID, &join_params,
join_params_size, true)) == 0) {
WL_DBG(("SoftAP set SSID (%s) success\n", join_params.ssid.SSID));
wl_clr_drv_status(cfg, AP_CREATING, dev);
wl_set_drv_status(cfg, AP_CREATED, dev);
}
}
exit:
return err;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0))
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 = g_bcm_cfg;
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
u8 *vndr = NULL;
u32 vndr_ie_len = 0;
s32 err = BCME_OK;
/* Parse Beacon IEs */
if (wl_cfg80211_parse_ies((u8 *)info->tail,
info->tail_len, ies) < 0) {
WL_ERR(("Beacon get IEs failed \n"));
err = -EINVAL;
goto fail;
}
vndr = (u8 *)info->proberesp_ies;
vndr_ie_len = info->proberesp_ies_len;
if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) {
/* SoftAP mode */
struct ieee80211_mgmt *mgmt;
mgmt = (struct ieee80211_mgmt *)info->probe_resp;
if (mgmt != NULL) {
vndr = (u8 *)&mgmt->u.probe_resp.variable;
vndr_ie_len = info->probe_resp_len -
offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
}
}
/* Parse Probe Response IEs */
if (wl_cfg80211_parse_ies(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 = g_bcm_cfg;
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
u8 *vndr = NULL;
u32 vndr_ie_len = 0;
s32 err = BCME_OK;
/* Set Beacon IEs to FW */
if ((err = wl_cfgp2p_set_management_ie(cfg, dev, bssidx,
VNDR_IE_BEACON_FLAG, (u8 *)info->tail,
info->tail_len)) < 0) {
WL_ERR(("Set Beacon IE Failed \n"));
} else {
WL_DBG(("Applied Vndr IEs for Beacon \n"));
}
vndr = (u8 *)info->proberesp_ies;
vndr_ie_len = info->proberesp_ies_len;
if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) {
/* SoftAP mode */
struct ieee80211_mgmt *mgmt;
mgmt = (struct ieee80211_mgmt *)info->probe_resp;
if (mgmt != NULL) {
vndr = (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_cfgp2p_set_management_ie(cfg, 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
static s32 wl_cfg80211_hostapd_sec(
struct net_device *dev,
struct parsed_ies *ies,
s32 bssidx)
{
bool update_bss = 0;
struct bcm_cfg80211 *cfg = g_bcm_cfg;
if (ies->wps_ie) {
if (cfg->ap_info->wps_ie &&
memcmp(cfg->ap_info->wps_ie, ies->wps_ie, ies->wps_ie_len)) {
WL_DBG((" WPS IE is changed\n"));
kfree(cfg->ap_info->wps_ie);
cfg->ap_info->wps_ie = kmemdup(ies->wps_ie, ies->wps_ie_len, GFP_KERNEL);
} else if (cfg->ap_info->wps_ie == NULL) {
WL_DBG((" WPS IE is added\n"));
cfg->ap_info->wps_ie = kmemdup(ies->wps_ie, ies->wps_ie_len, GFP_KERNEL);
}
if ((ies->wpa_ie != NULL || ies->wpa2_ie != NULL)) {
if (!cfg->ap_info->security_mode) {
/* change from open mode to security mode */
update_bss = true;
if (ies->wpa_ie != NULL) {
cfg->ap_info->wpa_ie = kmemdup(ies->wpa_ie,
ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN,
GFP_KERNEL);
} else {
cfg->ap_info->rsn_ie = kmemdup(ies->wpa2_ie,
ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN,
GFP_KERNEL);
}
} else if (cfg->ap_info->wpa_ie) {
/* change from WPA2 mode to WPA mode */
if (ies->wpa_ie != NULL) {
update_bss = true;
kfree(cfg->ap_info->rsn_ie);
cfg->ap_info->rsn_ie = NULL;
cfg->ap_info->wpa_ie = kmemdup(ies->wpa_ie,
ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN,
GFP_KERNEL);
} else if (memcmp(cfg->ap_info->rsn_ie,
ies->wpa2_ie, ies->wpa2_ie->len
+ WPA_RSN_IE_TAG_FIXED_LEN)) {
update_bss = true;
kfree(cfg->ap_info->rsn_ie);
cfg->ap_info->rsn_ie = kmemdup(ies->wpa2_ie,
ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN,
GFP_KERNEL);
cfg->ap_info->wpa_ie = NULL;
}
}
if (update_bss) {
cfg->ap_info->security_mode = true;
wl_cfgp2p_bss(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_cfgp2p_bss(cfg, dev, bssidx, 1);
}
}
} else {
WL_ERR(("No WPSIE in beacon \n"));
}
return 0;
}
#if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \
2, 0))
static s32
wl_cfg80211_del_station(
struct wiphy *wiphy,
struct net_device *ndev,
u8* mac_addr)
{
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;
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;
}
}
assoc_maclist->count = MAX_NUM_OF_ASSOCIATED_DEV;
err = wldev_ioctl(ndev, WLC_GET_ASSOCLIST,
assoc_maclist, sizeof(mac_buf), false);
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);
scb_val.val = DOT11_RC_DEAUTH_LEAVING;
err = wldev_ioctl(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scb_val,
sizeof(scb_val_t), true);
if (err < 0)
WL_ERR(("WLC_SCB_DEAUTHENTICATE_FOR_REASON err %d\n", err));
WL_ERR(("Disconnect STA : %s scb_val.val %d\n",
bcm_ether_ntoa((const struct ether_addr *)mac_addr, eabuf),
scb_val.val));
if (num_associated > 0 && ETHER_ISBCAST(mac_addr))
wl_delay(400);
return 0;
}
static s32
wl_cfg80211_change_station(
struct wiphy *wiphy,
struct net_device *dev,
u8 *mac,
struct station_parameters *params)
{
int err;
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, dev->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(dev, WLC_SCB_DEAUTHORIZE, mac, ETH_ALEN, true);
if (err)
WL_ERR(("WLC_SCB_DEAUTHORIZE error (%d)\n", err));
return err;
}
err = wldev_ioctl(dev, WLC_SCB_AUTHORIZE, mac, ETH_ALEN, true);
if (err)
WL_ERR(("WLC_SCB_AUTHORIZE error (%d)\n", err));
return err;
}
#endif /* WL_SUPPORT_BACKPORTED_KPATCHES || KERNEL_VER >= KERNEL_VERSION(3, 2, 0)) */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0))
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;
WL_DBG(("Enter \n"));
if (dev == bcmcfg_to_prmry_ndev(cfg)) {
WL_DBG(("Start AP req on primary iface: Softap\n"));
dev_role = NL80211_IFTYPE_AP;
if (!cfg->ap_info) {
if ((cfg->ap_info = kzalloc(sizeof(struct ap_info), GFP_KERNEL))) {
WL_ERR(("%s: struct ap_info re-allocated\n", __FUNCTION__));
} else {
WL_ERR(("%s: struct ap_info re-allocation failed\n", __FUNCTION__));
err = -ENOMEM;
goto fail;
}
}
}
#if defined(WL_ENABLE_P2P_IF)
else if (dev == cfg->p2p_net) {
/* Group Add request on p2p0 */
WL_DBG(("Start AP req on P2P iface: GO\n"));
dev = bcmcfg_to_prmry_ndev(cfg);
dev_role = NL80211_IFTYPE_P2P_GO;
}
#endif /* WL_ENABLE_P2P_IF */
if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
return BCME_ERROR;
}
if (p2p_is_on(cfg) &&
(bssidx == wl_to_p2p_bss_bssidx(cfg,
P2PAPI_BSSCFG_CONNECTION))) {
dev_role = NL80211_IFTYPE_P2P_GO;
WL_DBG(("Start AP req on P2P connection iface\n"));
}
if (!check_dev_role_integrity(cfg, dev_role))
goto fail;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
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
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 ((wl_cfg80211_bcn_validate_sec(dev, &ies,
dev_role, bssidx)) < 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;
}
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((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);
}
}
fail:
if (err) {
WL_ERR(("ADD/SET beacon failed\n"));
wldev_iovar_setint(dev, "mpc", 1);
}
return err;
}
static s32
wl_cfg80211_stop_ap(
struct wiphy *wiphy,
struct net_device *dev)
{
int err = 0;
u32 dev_role = 0;
int infra = 0;
int ap = 0;
s32 bssidx = 0;
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
WL_DBG(("Enter \n"));
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 (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
return BCME_ERROR;
}
if (p2p_is_on(cfg) &&
(bssidx == wl_to_p2p_bss_bssidx(cfg,
P2PAPI_BSSCFG_CONNECTION))) {
dev_role = NL80211_IFTYPE_P2P_GO;
}
if (!check_dev_role_integrity(cfg, dev_role))
goto exit;
if (dev_role == NL80211_IFTYPE_AP) {
/* SoftAp on primary Interface.
* Shut down AP and turn on MPC
*/
if ((err = wldev_ioctl(dev, WLC_SET_AP, &ap, sizeof(s32), true)) < 0) {
WL_ERR(("setting AP mode failed %d \n", err));
err = -ENOTSUPP;
goto exit;
}
err = wldev_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(s32), true);
if (err < 0) {
WL_ERR(("SET INFRA error %d\n", err));
err = -ENOTSUPP;
goto exit;
}
err = wldev_ioctl(dev, WLC_UP, &ap, sizeof(s32), true);
if (unlikely(err)) {
WL_ERR(("WLC_UP error (%d)\n", err));
err = -EINVAL;
goto exit;
}
wl_clr_drv_status(cfg, AP_CREATED, dev);
/* Turn on the MPC */
wldev_iovar_setint(dev, "mpc", 1);
if (cfg->ap_info) {
kfree(cfg->ap_info->wpa_ie);
kfree(cfg->ap_info->rsn_ie);
kfree(cfg->ap_info->wps_ie);
kfree(cfg->ap_info);
cfg->ap_info = NULL;
}
} 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));
}
exit:
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 (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 (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
return BCME_ERROR;
}
if (p2p_is_on(cfg) &&
(bssidx == wl_to_p2p_bss_bssidx(cfg,
P2PAPI_BSSCFG_CONNECTION))) {
dev_role = NL80211_IFTYPE_P2P_GO;
}
if (!check_dev_role_integrity(cfg, dev_role))
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((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:
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;
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 (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) {
WL_ERR(("Find p2p index from dev(%p) failed\n", dev));
return BCME_ERROR;
}
if (p2p_is_on(cfg) &&
(bssidx == wl_to_p2p_bss_bssidx(cfg,
P2PAPI_BSSCFG_CONNECTION))) {
dev_role = NL80211_IFTYPE_P2P_GO;
}
if (!check_dev_role_integrity(cfg, dev_role))
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, 32);
memcpy(&cfg->hostapd_ssid.SSID[0], ssid_ie->data, ssid_ie->len);
cfg->hostapd_ssid.SSID_len = ssid_ie->len;
} else {
/* P2P GO */
memset(&cfg->p2p->ssid.SSID[0], 0x00, 32);
memcpy(cfg->p2p->ssid.SSID, ssid_ie->data, ssid_ie->len);
cfg->p2p->ssid.SSID_len = ssid_ie->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 (wl_cfgp2p_set_management_ie(cfg, 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 (wl_cfgp2p_set_management_ie(cfg, 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
if (!wl_cfgp2p_bss_isup(dev, bssidx) &&
(wl_cfg80211_bcn_validate_sec(dev, &ies, dev_role, bssidx) < 0))
{
WL_ERR(("Beacon set security failed \n"));
goto fail;
}
/* Set BI and DTIM period */
if (info->interval) {
if ((err = wldev_ioctl(dev, WLC_SET_BCNPRD,
&info->interval, sizeof(s32), true)) < 0) {
WL_ERR(("Beacon Interval Set Error, %d\n", err));
return err;
}
}
if (info->dtim_period) {
if ((err = wldev_ioctl(dev, WLC_SET_DTIMPRD,
&info->dtim_period, sizeof(s32), true)) < 0) {
WL_ERR(("DTIM Interval Set Error, %d\n", err));
return err;
}
}
if (wl_cfg80211_bcn_bringup_ap(dev, &ies, dev_role, bssidx) < 0) {
WL_ERR(("Beacon bring up AP/GO 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"));
wldev_iovar_setint(dev, "mpc", 1);
}
return err;
}
#endif
#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);
struct cfg80211_ssid *ssid = NULL;
struct cfg80211_ssid *hidden_ssid_list = NULL;
int ssid_cnt = 0;
int i;
int ret = 0;
WL_DBG(("Enter \n"));
WL_ERR((">>> 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 || !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;
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) {
memcpy(ssids_local[ssid_cnt].SSID, ssid->ssid, ssid->ssid_len);
ssids_local[ssid_cnt].SSID_len = ssid->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));
}
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));
return -EINVAL;
}
cfg->sched_scan_req = request;
} else {
return -EINVAL;
}
return 0;
}
static int
wl_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
{
struct bcm_cfg80211 *cfg = wiphy_priv(wiphy);
WL_DBG(("Enter \n"));
WL_ERR((">>> SCHED SCAN STOP\n"));
if (dhd_dev_pno_stop_for_ssid(dev) < 0)
WL_ERR(("PNO Stop for SSID failed"));
if (cfg->scan_request && cfg->sched_scan_running) {
WL_PNO((">>> Sched scan running. Aborting it..\n"));
wl_notify_escan_complete(cfg, dev, true, true);
}
cfg->sched_scan_req = NULL;
cfg->sched_scan_running = FALSE;
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;
buf = kzalloc(sizeof(char) * WLC_IOCTL_MAXLEN, GFP_KERNEL);
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 = -BCME_ERROR;
goto exit;
}
results = (cca_stats_n_flags *)(buf);
wl_parse_dump_obss(results->buf, survey);
kfree(buf);
return 0;
exit:
kfree(buf);
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) {
/* Disable mpc */
val = 0;
err = wldev_iovar_setbuf_bsscfg(ndev, "mpc", (void *)&val,
sizeof(val), cfg->ioctl_buf, WLC_IOCTL_SMLEN, 0,
&cfg->ioctl_buf_sync);
if (err < 0) {
WL_ERR(("set 'mpc' failed, error = %d\n", err));
}
/* Set interface up, explicitly. */
val = 1;
err = wldev_ioctl(ndev, WLC_UP, (void *)&val, sizeof(val), true);
if (err < 0) {
WL_ERR(("set interface up failed, error = %d\n", err));
}
}
/* Get noise value */
retry = IOCTL_RETRY_COUNT;
while (retry--) {
err = wldev_ioctl(ndev, WLC_GET_PHY_NOISE, &noise,
sizeof(noise), false);
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 *) kzalloc(sizeof(struct wl_dump_survey),
GFP_KERNEL);
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;
kfree(survey);
return 0;
exit:
kfree(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,
.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))
.set_channel = wl_cfg80211_set_channel,
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0))
.set_beacon = wl_cfg80211_add_set_beacon,
.add_beacon = wl_cfg80211_add_set_beacon,
#else
.change_beacon = wl_cfg80211_change_beacon,
.start_ap = wl_cfg80211_start_ap,
.stop_ap = wl_cfg80211_stop_ap,
#endif
#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))
.tdls_oper = wl_cfg80211_tdls_oper,
#endif
#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 */
};
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;
}
#ifdef CONFIG_CFG80211_INTERNAL_REGDB
static int
wl_cfg80211_reg_notifier(
struct wiphy *wiphy,
struct regulatory_request *request)
{
struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)wiphy_priv(wiphy);
int ret = 0;
if (!request || !cfg) {
WL_ERR(("Invalid arg\n"));
return -EINVAL;
}
WL_DBG(("ccode: %c%c Initiator: %d\n",
request->alpha2[0], request->alpha2[1], request->initiator));
/* We support only REGDOM_SET_BY_USER as of now */
if ((request->initiator != NL80211_REGDOM_SET_BY_USER) &&
(request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE)) {
WL_ERR(("reg_notifier for intiator:%d not supported : set default\n",
request->initiator));
/* in case of no supported country by regdb
lets driver setup platform default Locale
*/
}
WL_ERR(("Set country code %c%c from %s\n",
request->alpha2[0], request->alpha2[1],
((request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) ? " 11d AP" : "User")));
if ((ret = wldev_set_country(bcmcfg_to_prmry_ndev(cfg), request->alpha2,
false, (request->initiator == NL80211_REGDOM_SET_BY_USER ? true : false))) < 0) {
WL_ERR(("set country Failed :%d\n", ret));
}
return ret;
}
#endif /* CONFIG_CFG80211_INTERNAL_REGDB */
#ifdef CONFIG_PM
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
static const struct wiphy_wowlan_support brcm_wowlan_support = {
.flags = WIPHY_WOWLAN_ANY,
};
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) */
#endif /* CONFIG_PM */
static s32 wl_setup_wiphy(struct wireless_dev *wdev, struct device *sdiofunc_dev, void *context)
{
s32 err = 0;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0))
dhd_pub_t *dhd = (dhd_pub_t *)context;
BCM_REFERENCE(dhd);
if (!dhd) {
WL_ERR(("DHD is NULL!!"));
err = -ENODEV;
return err;
}
#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;
wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
#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 /* !WL_ENABLE_P2P_IF && !WL_CFG80211_P2P_DEV_IF */
#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))
WIPHY_FLAG_SUPPORTS_SEPARATE_DEFAULT_KEYS |
#endif
WIPHY_FLAG_4ADDR_STATION;
#if (defined(ROAM_ENABLE) || defined(BCMFW_ROAM_ENABLE)) && (LINUX_VERSION_CODE >= \
KERNEL_VERSION(3, 2, 0))
/* Please use supplicant ver >= 76 if FW_ROAM is enabled
* If driver advertises FW_ROAM, older supplicant wouldn't
* send the BSSID & Freq in the connect req command. This
* will delay the ASSOC as the FW need to do a full scan
* before attempting to connect. Supplicant >=76 has patch
* to allow bssid & freq to be sent down to driver even if
* FW ROAM is advertised.
*/
wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
wdev->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
WIPHY_FLAG_OFFCHAN_TX;
#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
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0))
/* 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 /* WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) */
#ifdef CONFIG_CFG80211_INTERNAL_REGDB
wdev->wiphy->reg_notifier = wl_cfg80211_reg_notifier;
#endif /* CONFIG_CFG80211_INTERNAL_REGDB */
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0))
wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
#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;
#else
wdev->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY;
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 10) */
#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
wiphy_apply_custom_regulatory(wdev->wiphy, &brcm_regdom);
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0)) || defined(WL_VENDOR_EXT_SUPPORT)
WL_ERR(("Registering Vendor80211\n"));
err = wl_cfgvendor_attach(wdev->wiphy);
if (unlikely(err < 0)) {
WL_ERR(("Couldn not attach vendor commands (%d)\n", err));
}
#endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 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
return err;
}
static void wl_free_wdev(struct bcm_cfg80211 *cfg)
{
struct wireless_dev *wdev = cfg->wdev;
struct wiphy *wiphy;
if (!wdev) {
WL_ERR(("wdev is invalid\n"));
return;
}
wiphy = wdev->wiphy;
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0)) || defined(WL_VENDOR_EXT_SUPPORT)
wl_cfgvendor_detach(wdev->wiphy);
#endif /* if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0)) || defined(WL_VENDOR_EXT_SUPPORT) */
wiphy_unregister(wdev->wiphy);
wdev->wiphy->dev.parent = NULL;
wl_delete_all_netinfo(cfg);
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;
struct wl_bss_info *bi = NULL; /* must be initialized */
s32 err = 0;
s32 i;
bss_list = cfg->bss_list;
WL_DBG(("scanned AP count (%d)\n", bss_list->count));
#ifdef ROAM_CHANNEL_CACHE
reset_roam_cache();
#endif /* ROAM_CHANNEL_CACHE */
bi = next_bss(bss_list, bi);
for_each_bss(bss_list, bi, i) {
#ifdef ROAM_CHANNEL_CACHE
add_roam_cache(bi);
#endif /* ROAM_CHANNEL_CACHE */
err = wl_inform_single_bss(cfg, bi, false);
if (unlikely(err))
break;
}
#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, struct wl_bss_info *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;
s32 mgmt_type;
s32 signal;
u32 freq;
s32 err = 0;
gfp_t aflags;
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 = kzalloc(sizeof(*notif_bss_info) + sizeof(*mgmt)
- sizeof(u8) + WL_BSS_INFO_MAX, aflags);
if (unlikely(!notif_bss_info)) {
WL_ERR(("notif_bss_info alloc failed\n"));
return -ENOMEM;
}
mgmt = (struct ieee80211_mgmt *)notif_bss_info->frame_buf;
notif_bss_info->channel =
wf_chspec_ctlchan(wl_chspec_driver_to_host(bi->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"));
kfree(notif_bss_info);
return -EINVAL;
}
notif_bss_info->rssi = wl_rssi_offset(dtoh16(bi->RSSI));
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, 38)
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
if (freq == 0) {
WL_ERR(("Invalid channel, fail to chcnage channel to freq\n"));
kfree(notif_bss_info);
return -EINVAL;
}
channel = ieee80211_get_channel(wiphy, freq);
if (unlikely(!channel)) {
WL_ERR(("ieee80211_get_channel error\n"));
kfree(notif_bss_info);
return -EINVAL;
}
WL_DBG(("SSID : \"%s\", rssi %d, channel %d, capability : 0x04%x, bssid %pM"
"mgmt_type %d frame_len %d\n", bi->SSID,
notif_bss_info->rssi, notif_bss_info->channel,
mgmt->u.beacon.capab_info, &bi->BSSID, mgmt_type,
notif_bss_info->frame_len));
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
}
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\n"));
kfree(notif_bss_info);
return -EINVAL;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0))
cfg80211_put_bss(wiphy, cbss);
#else
cfg80211_put_bss(cbss);
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */
kfree(notif_bss_info);
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);
WL_DBG(("event %d, status %d flags %x\n", event, status, flags));
if (event == WLC_E_SET_SSID) {
if (status == WLC_E_STATUS_SUCCESS) {
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;
}
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) {
#if (WL_DBG_LEVEL > 0)
WL_ERR(("Link down Reason : WLC_E_%s\n", wl_dbg_estr[event]));
#endif /* (WL_DBG_LEVEL > 0) */
return true;
} else if (event == WLC_E_LINK) {
if (!(flags & WLC_EVENT_MSG_LINK)) {
#if (WL_DBG_LEVEL > 0)
WL_ERR(("Link down Reason : WLC_E_%s\n", wl_dbg_estr[event]));
#endif /* (WL_DBG_LEVEL > 0) */
return true;
}
}
return false;
}
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);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)) && !defined(WL_CFG80211_STA_EVENT)
bool isfree = false;
u8 *mgmt_frame;
u8 bsscfgidx = e->bsscfgidx;
s32 freq;
s32 channel;
u8 *body = NULL;
u16 fc = 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;
#else
struct station_info sinfo;
#endif
WL_DBG(("event %d status %d reason %d\n", 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_INFORM(("AP mode link down !! \n"));
complete(&cfg->iface_disable);
return 0;
}
if (event == WLC_E_DISASSOC_IND || event == WLC_E_DEAUTH_IND || event == WLC_E_DEAUTH) {
WL_ERR(("event %s(%d) status %d reason %d\n",
bcmevent_get_name(event), event, ntoh32(e->status), reason));
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)) && !defined(WL_CFG80211_STA_EVENT)
WL_DBG(("Enter \n"));
if (!len && (event == WLC_E_DEAUTH)) {
len = 2; /* reason code field */
data = &reason;
}
if (len) {
body = kzalloc(len, GFP_KERNEL);
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) {
kfree(body);
return WL_INVALID;
}
if (len)
memcpy(body, data, len);
wldev_iovar_getbuf_bsscfg(ndev, "cur_etheraddr",
NULL, 0, cfg->ioctl_buf, WLC_IOCTL_SMLEN, bsscfgidx, &cfg->ioctl_buf_sync);
memcpy(da.octet, cfg->ioctl_buf, ETHER_ADDR_LEN);
err = wldev_ioctl(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN, false);
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;
}
if ((err = wldev_ioctl(ndev, WLC_GET_CHANNEL, &ci, sizeof(ci), false))) {
kfree(body);
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"));
if (body)
kfree(body);
return -EINVAL;
}
#if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 38)
freq = ieee80211_channel_to_frequency(channel);
(void)band->band;
#else
freq = ieee80211_channel_to_frequency(channel, band->band);
#endif
err = wl_frame_get_mgmt(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) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0))
cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC);
#else
cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC);
#endif
} else if (event == WLC_E_DISASSOC_IND) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0))
cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC);
#else
cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC);
#endif
} else if ((event == WLC_E_DEAUTH_IND) || (event == WLC_E_DEAUTH)) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0))
cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC);
#else
cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC);
#endif
}
exit:
if (isfree)
kfree(mgmt_frame);
if (body)
kfree(body);
#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) {
sinfo.filled = STATION_INFO_ASSOC_REQ_IES;
if (!data) {
WL_ERR(("No IEs present in ASSOC/REASSOC_IND"));
return -EINVAL;
}
sinfo.assoc_req_ies = data;
sinfo.assoc_req_ies_len = len;
cfg80211_new_sta(ndev, e->addr.octet, &sinfo, GFP_ATOMIC);
} else if (event == WLC_E_DISASSOC_IND) {
cfg80211_del_sta(ndev, e->addr.octet, GFP_ATOMIC);
} else if ((event == WLC_E_DEAUTH_IND) || (event == WLC_E_DEAUTH)) {
cfg80211_del_sta(ndev, e->addr.octet, GFP_ATOMIC);
}
#endif
return err;
}
static s32
wl_get_auth_assoc_status(struct bcm_cfg80211 *cfg, struct net_device *ndev,
const wl_event_msg_t *e)
{
u32 reason = ntoh32(e->reason);
u32 event = ntoh32(e->event_type);
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;
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 (event == WLC_E_JOIN) {
WL_DBG(("joined in IBSS network\n"));
}
if (event == WLC_E_START) {
WL_DBG(("started IBSS network\n"));
}
if (event == WLC_E_JOIN || event == WLC_E_START ||
(event == WLC_E_LINK && (flags == WLC_EVENT_MSG_LINK))) {
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(("IBSS BSSID is changed from " MACDBG " to " MACDBG "\n",
MAC2STRDBG(cur_bssid), MAC2STRDBG((u8 *)&e->addr)));
wl_get_assoc_ies(cfg, ndev);
wl_update_prof(cfg, ndev, NULL, (void *)&e->addr, WL_PROF_BSSID);
wl_update_bss_info(cfg, ndev, false);
cfg80211_ibss_joined(ndev, (s8 *)&e->addr, GFP_KERNEL);
}
else {
/* New connection */
WL_INFORM(("IBSS connected to " MACDBG "\n", MAC2STRDBG((u8 *)&e->addr)));
wl_link_up(cfg);
wl_get_assoc_ies(cfg, ndev);
wl_update_prof(cfg, ndev, NULL, (void *)&e->addr, WL_PROF_BSSID);
wl_update_bss_info(cfg, ndev, false);
cfg80211_ibss_joined(ndev, (s8 *)&e->addr, GFP_KERNEL);
wl_set_drv_status(cfg, CONNECTED, ndev);
active = true;
wl_update_prof(cfg, ndev, NULL, (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_DBG(("no action - join fail (IBSS mode)\n"));
}
else {
WL_DBG(("no action (IBSS mode)\n"));
}
return 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);
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP) {
err = wl_notify_connect_status_ap(cfg, ndev, e, data);
} else if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_IBSS) {
err = wl_notify_connect_status_ibss(cfg, ndev, e, data);
} else if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_BSS) {
WL_DBG(("wl_notify_connect_status : event %d status : %d ndev %p\n",
ntoh32(e->event_type), ntoh32(e->status), ndev));
if (event == WLC_E_ASSOC || event == WLC_E_AUTH) {
wl_get_auth_assoc_status(cfg, ndev, e);
return 0;
}
if (wl_is_linkup(cfg, e, ndev)) {
wl_link_up(cfg);
act = true;
if (!wl_get_drv_status(cfg, DISCONNECTING, ndev)) {
printk("wl_bss_connect_done succeeded with " MACDBG "\n",
MAC2STRDBG((u8*)(&e->addr)));
wl_bss_connect_done(cfg, ndev, e, data, true);
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, (void *)&e->addr, WL_PROF_BSSID);
} else if (wl_is_linkdown(cfg, e)) {
if (cfg->scan_request)
wl_notify_escan_complete(cfg, ndev, true, true);
if (wl_get_drv_status(cfg, CONNECTED, ndev)) {
scb_val_t scbval;
u8 *curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
s32 reason = 0;
if (event == WLC_E_DEAUTH_IND || event == WLC_E_DISASSOC_IND)
reason = ntoh32(e->reason);
/* WLAN_REASON_UNSPECIFIED is used for hang up event in Android */
reason = (reason == WLAN_REASON_UNSPECIFIED)? 0 : reason;
WL_ERR(("link down if %s may call cfg80211_disconnected. "
"event : %d, reason=%d from " MACDBG "\n",
ndev->name, event, ntoh32(e->reason),
MAC2STRDBG((u8*)(&e->addr))));
if (!cfg->roam_offload &&
memcmp(curbssid, &e->addr, ETHER_ADDR_LEN) != 0) {
WL_ERR(("BSSID of event is not the connected BSSID"
"(ignore it) cur: " MACDBG " event: " MACDBG"\n",
MAC2STRDBG(curbssid), MAC2STRDBG((u8*)(&e->addr))));
return 0;
}
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;
memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN);
scbval.val = htod32(scbval.val);
err = wldev_ioctl(ndev, WLC_DISASSOC, &scbval,
sizeof(scb_val_t), true);
if (err < 0) {
WL_ERR(("WLC_DISASSOC error %d\n", err));
err = 0;
}
cfg80211_disconnected(ndev, reason, NULL, 0, GFP_KERNEL);
wl_link_down(cfg);
wl_init_prof(cfg, ndev);
} else {
wl_clr_drv_status(cfg, DISCONNECTING, ndev);
}
} else if (wl_get_drv_status(cfg, CONNECTING, ndev)) {
WL_ERR(("link down, during connecting\n"));
#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 */
if (!wl_get_drv_status(cfg, DISCONNECTING, ndev))
wl_bss_connect_done(cfg, ndev, e, data, false);
}
wl_clr_drv_status(cfg, DISCONNECTING, ndev);
/* if link down, bsscfg is diabled */
if (ndev != bcmcfg_to_prmry_ndev(cfg))
complete(&cfg->iface_disable);
} 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)));
/* Clean up any pending scan request */
if (cfg->scan_request)
wl_notify_escan_complete(cfg, ndev, true, true);
if (wl_get_drv_status(cfg, CONNECTING, ndev) &&
!wl_get_drv_status(cfg, DISCONNECTING, ndev))
wl_bss_connect_done(cfg, ndev, e, data, false);
wl_clr_drv_status(cfg, DISCONNECTING, ndev);
wl_clr_drv_status(cfg, CONNECTING, ndev);
} else {
WL_DBG(("%s nothing\n", __FUNCTION__));
}
}
else {
WL_ERR(("Invalid ndev status %d\n", wl_get_mode_by_netdev(cfg, ndev)));
}
return err;
}
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);
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))
wl_bss_roaming_done(cfg, ndev, e, data);
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, (void *)&e->addr, WL_PROF_BSSID);
}
return err;
}
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;
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 (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,
WL_ASSOC_INFO_MAX, NULL);
if (unlikely(err)) {
WL_ERR(("could not get assoc req (%d)\n", err));
return err;
}
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;
}
if (conn_info->req_ie_len <= MAX_REQ_LINE)
memcpy(conn_info->req_ie, cfg->extra_buf, conn_info->req_ie_len);
else {
WL_ERR(("IE size %d above max %d size \n",
conn_info->req_ie_len, MAX_REQ_LINE));
return err;
}
} else {
conn_info->req_ie_len = 0;
}
if (assoc_info.resp_len) {
err = wldev_iovar_getbuf(ndev, "assoc_resp_ies", NULL, 0, cfg->extra_buf,
WL_ASSOC_INFO_MAX, NULL);
if (unlikely(err)) {
WL_ERR(("could not get assoc resp (%d)\n", err));
return err;
}
conn_info->resp_ie_len = assoc_info.resp_len -sizeof(struct dot11_assoc_resp);
if (conn_info->resp_ie_len <= MAX_REQ_LINE)
memcpy(conn_info->resp_ie, cfg->extra_buf, conn_info->resp_ie_len);
else {
WL_ERR(("IE size %d above max %d size \n",
conn_info->resp_ie_len, MAX_REQ_LINE));
return err;
}
} else {
conn_info->resp_ie_len = 0;
}
WL_DBG(("req len (%d) resp len (%d)\n", conn_info->req_ie_len,
conn_info->resp_ie_len));
return err;
}
static void wl_ch_to_chanspec(int ch, struct wl_join_params *join_params,
size_t *join_params_size)
{
#ifndef ROAM_CHANNEL_CACHE
chanspec_t chanspec = 0;
#endif
if (ch != 0) {
#ifdef ROAM_CHANNEL_CACHE
int n_channels;
n_channels = get_roam_channel_list(ch, join_params->params.chanspec_list,
&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);
#else
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;
chanspec |= WL_CHANSPEC_BW_20;
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);
#endif /* ROAM_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));
}
}
static s32 wl_update_bss_info(struct bcm_cfg80211 *cfg, struct net_device *ndev, bool roam)
{
struct cfg80211_bss *bss;
struct wl_bss_info *bi;
struct wlc_ssid *ssid;
struct bcm_tlv *tim;
s32 beacon_interval;
s32 dtim_period;
size_t ie_len;
u8 *ie;
u8 *curbssid;
s32 err = 0;
struct wiphy *wiphy;
u32 channel;
#ifdef ROAM_CHANNEL_CACHE
struct ieee80211_channel *cur_channel;
u32 freq, band;
#endif /* ROAM_CHANNEL_CACHE */
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, WLAN_CAPABILITY_ESS,
WLAN_CAPABILITY_ESS);
mutex_lock(&cfg->usr_sync);
*(u32 *) cfg->extra_buf = htod32(WL_EXTRA_BUF_MAX);
err = wldev_ioctl(ndev, WLC_GET_BSS_INFO,
cfg->extra_buf, WL_EXTRA_BUF_MAX, false);
if (unlikely(err)) {
WL_ERR(("Could not get bss info %d\n", err));
goto update_bss_info_out;
}
bi = (struct wl_bss_info *)(cfg->extra_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));
#ifdef ROAM_CHANNEL_CACHE
#if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 38) && !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
cur_channel = ieee80211_get_channel(wiphy, freq);
bss->channel = cur_channel;
#endif /* ROAM_CHANNEL_CACHE */
#if defined(WL_CFG80211_P2P_DEV_IF)
ie = (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;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0))
cfg80211_put_bss(wiphy, bss);
#else
cfg80211_put_bss(bss);
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */
}
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.
*/
err = wldev_ioctl(ndev, WLC_GET_DTIMPRD,
&dtim_period, sizeof(dtim_period), false);
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));
}
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;
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39))
struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
struct ieee80211_supported_band *band;
struct ieee80211_channel *notify_channel = NULL;
u32 *channel;
u32 freq;
#endif
wl_get_assoc_ies(cfg, ndev);
wl_update_prof(cfg, ndev, NULL, (void *)(e->addr.octet), WL_PROF_BSSID);
curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
wl_update_bss_info(cfg, ndev, true);
wl_update_pmklist(ndev, cfg->pmk_list, err);
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39))
/* channel info for cfg80211_roamed introduced in 2.6.39-rc1 */
channel = (u32 *)wl_read_prof(cfg, ndev, WL_PROF_CHAN);
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
printk("wl_bss_roaming_done succeeded to " MACDBG "\n",
MAC2STRDBG((u8*)(&e->addr)));
#ifdef PCIE_FULL_DONGLE
wl_roam_flowring_cleanup(cfg);
#endif /* PCIE_FULL_DONGLE */
cfg80211_roamed(ndev,
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39))
notify_channel,
#endif
curbssid,
conn_info->req_ie, conn_info->req_ie_len,
conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
WL_DBG(("Report roaming result\n"));
wl_set_drv_status(cfg, CONNECTED, ndev);
return err;
}
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);
#if (defined(ROAM_ENABLE) && defined(ROAM_AP_ENV_DETECTION)) || \
defined(CUSTOM_SET_CPUCORE)
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
#endif /* (ROAM_ENABLE && ROAM_AP_ENV_DETECTION) || CUSTOM_SET_CPUCORE */
s32 err = 0;
u8 *curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID);
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_DBG((" 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, (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 (dhd->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
}
#ifdef CUSTOM_SET_CPUCORE
if (wl_get_chan_isvht80(ndev, dhd)) {
if (ndev == bcmcfg_to_prmry_ndev(cfg))
dhd->chan_isvht80 |= DHD_FLAG_STA_MODE; /* STA mode */
else if (ndev == wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION))
dhd->chan_isvht80 |= DHD_FLAG_P2P_MODE; /* p2p mode */
dhd_set_cpucore(dhd, TRUE);
}
#endif /* CUSTOM_SET_CPUCORE */
}
cfg80211_connect_result(ndev,
curbssid,
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_INFORM(("Report connect result - connection succeeded\n"));
else
WL_ERR(("Report connect result - connection failed\n"));
}
#ifdef CONFIG_TCPACK_FASTTX
if (wl_get_chan_isvht80(ndev, dhd))
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);
mutex_lock(&cfg->usr_sync);
if (flags & WLC_EVENT_MSG_GROUP)
key_type = NL80211_KEYTYPE_GROUP;
else
key_type = NL80211_KEYTYPE_PAIRWISE;
cfg80211_michael_mic_failure(ndev, (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;
WL_ERR((">>> PNO Event\n"));
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
#ifndef WL_SCHED_SCAN
mutex_lock(&cfg->usr_sync);
/* TODO: Use cfg80211_sched_scan_results(wiphy); */
cfg80211_disconnected(ndev, 0, NULL, 0, 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;
int send_evt_bytes = 0;
int batch_event_result_dummy = 0;
struct net_device *ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
u32 len = ntoh32(e->datalen);
switch (event) {
case WLC_E_PFN_SWC:
ptr = dhd_dev_swc_scan_event(ndev, data, &send_evt_bytes);
if (send_evt_bytes) {
wl_cfgvendor_send_async_event(wiphy, ndev,
GOOGLE_GSCAN_SIGNIFICANT_EVENT, ptr, send_evt_bytes);
kfree(ptr);
}
break;
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 {
wl_cfgvendor_send_async_event(wiphy, ndev,
GOOGLE_GSCAN_BATCH_SCAN_EVENT,
&batch_event_result_dummy, sizeof(int));
}
break;
case WLC_E_PFN_SCAN_COMPLETE:
batch_event_result_dummy = WIFI_SCAN_COMPLETE;
wl_cfgvendor_send_async_event(wiphy, ndev,
GOOGLE_SCAN_COMPLETE_EVENT,
&batch_event_result_dummy, sizeof(int));
break;
case WLC_E_PFN_BSSID_NET_FOUND:
ptr = dhd_dev_hotlist_scan_event(ndev, data, &send_evt_bytes,
HOTLIST_FOUND);
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);
}
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);
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);
}
}
break;
case WLC_E_PFN_GSCAN_FULL_RESULT:
ptr = dhd_dev_process_full_gscan_result(ndev, data, &send_evt_bytes);
if (ptr) {
wl_cfgvendor_send_async_event(wiphy, ndev,
GOOGLE_SCAN_FULL_RESULTS_EVENT, ptr, send_evt_bytes);
kfree(ptr);
}
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_ERR(("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);
err = wldev_ioctl(ndev, WLC_GET_CHANNEL, &channel_inform,
sizeof(channel_inform), false);
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(ndev, WLC_SCAN_RESULTS, bss_list, len, false);
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) {
cfg80211_scan_done(cfg->scan_request, 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(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 = kzalloc(totlen, GFP_KERNEL);
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;
}
void
wl_stop_wait_next_action_frame(struct bcm_cfg80211 *cfg, struct net_device *ndev)
{
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\n"));
/* if channel is not zero, "actfame" uses off channel scan.
* So abort scan for off channel completion.
*/
if (cfg->af_sent_channel)
wl_cfg80211_scan_abort(cfg);
}
#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 */
}
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 =
(wl_event_rx_frame_data_t*)data;
u32 event = ntoh32(e->event_type);
u8 *mgmt_frame;
u8 bsscfgidx = e->bsscfgidx;
u32 mgmt_frame_len = ntoh32(e->datalen) - sizeof(wl_event_rx_frame_data_t);
u16 channel = ((ntoh16(rxframe->channel) & WL_CHANSPEC_CHAN_MASK));
memset(&bssid, 0, ETHER_ADDR_LEN);
ndev = cfgdev_to_wlc_ndev(cfgdev, cfg);
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"));
return -EINVAL;
}
#if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 38)
freq = ieee80211_channel_to_frequency(channel);
(void)band->band;
#else
freq = ieee80211_channel_to_frequency(channel, band->band);
#endif
if (event == WLC_E_ACTION_FRAME_RX) {
wldev_iovar_getbuf_bsscfg(ndev, "cur_etheraddr",
NULL, 0, cfg->ioctl_buf, WLC_IOCTL_SMLEN, bsscfgidx, &cfg->ioctl_buf_sync);
err = wldev_ioctl(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN, false);
if (err < 0)
WL_ERR(("WLC_GET_BSSID error %d\n", err));
memcpy(da.octet, cfg->ioctl_buf, ETHER_ADDR_LEN);
err = wl_frame_get_mgmt(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);
}
}
(void) sd_act_frm;
} else {
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);
}
}
}
if (act_frm) {
if (wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM)) {
if (cfg->next_af_subtype == act_frm->subtype) {
WL_DBG(("We got a right next frame!(%d)\n",
act_frm->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);
}
}
}
wl_cfgp2p_print_actframe(false, &mgmt_frame[DOT11_MGMT_HDR_LEN],
mgmt_frame_len - DOT11_MGMT_HDR_LEN, channel);
/*
* After complete GO Negotiation, roll back to mpc mode
*/
if (act_frm && ((act_frm->subtype == P2P_PAF_GON_CONF) ||
(act_frm->subtype == P2P_PAF_PROVDIS_RSP))) {
wldev_iovar_setint(ndev, "mpc", 1);
}
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);
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((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"));
/* Filter any P2P probe reqs arriving during the
* GO-NEG Phase
*/
if (cfg->p2p &&
wl_get_p2p_status(cfg, GO_NEG_PHASE)) {
WL_DBG(("Filtering P2P probe_req while "
"being in GO-Neg state\n"));
return 0;
}
}
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 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, 14, 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)
kfree(mgmt_frame);
return 0;
}
#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_t *netinfo, *pnetinfo;
struct wiphy *wiphy = bcmcfg_to_wiphy(cfg);
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;
struct wl_pfn_scanresults *pfn_result = (struct wl_pfn_scanresults *)data;
int n_pfn_results = pfn_result->count;
WL_DBG(("Enter\n"));
if (e->event_type == WLC_E_PFN_NET_LOST) {
WL_PNO(("PFN NET LOST event. Do Nothing \n"));
return 0;
}
WL_PNO((">>> 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;
pnetinfo = (wl_pfn_net_info_t *)(data + sizeof(wl_pfn_scanresults_t)
- sizeof(wl_pfn_net_info_t));
memset(&ssid, 0x00, sizeof(ssid));
request = kzalloc(sizeof(*request)
+ sizeof(*request->channels) * n_pfn_results,
GFP_KERNEL);
channel = (struct ieee80211_channel *)kzalloc(
(sizeof(struct ieee80211_channel) * n_pfn_results),
GFP_KERNEL);
if (!request || !channel) {
WL_ERR(("No memory"));
err = -ENOMEM;
goto out_err;
}
request->wiphy = wiphy;
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++;
}
/* 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);
#ifdef CUSTOM_SET_SHORT_DWELL_TIME
net_set_short_dwell_time(ndev, FALSE);
#endif
#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
if (err) {
wl_clr_drv_status(cfg, SCANNING, ndev);
goto out_err;
}
cfg->sched_scan_running = TRUE;
}
else {
WL_ERR(("FALSE PNO Event. (pfn_count == 0) \n"));
}
out_err:
if (request)
kfree(request);
if (channel)
kfree(channel);
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_SWC] = 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;
#endif /* GSCAN_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 BT_WIFI_HANDOVER
cfg->evt_handler[WLC_E_BT_WIFI_HANDOVER_REQ] = wl_notify_bt_wifi_handover_req;
#endif
}
#if defined(STATIC_WL_PRIV_STRUCT)
static void
wl_init_escan_result_buf(struct bcm_cfg80211 *cfg)
{
cfg->escan_info.escan_buf = DHD_OS_PREALLOC(cfg->pub,
DHD_PREALLOC_WIPHY_ESCAN0, ESCAN_BUF_SIZE);
bzero(cfg->escan_info.escan_buf, ESCAN_BUF_SIZE);
}
static void
wl_deinit_escan_result_buf(struct bcm_cfg80211 *cfg)
{
cfg->escan_info.escan_buf = NULL;
}
#endif /* STATIC_WL_PRIV_STRUCT */
static s32 wl_init_priv_mem(struct bcm_cfg80211 *cfg)
{
WL_DBG(("Enter \n"));
cfg->scan_results = (void *)kzalloc(WL_SCAN_BUF_MAX, GFP_KERNEL);
if (unlikely(!cfg->scan_results)) {
WL_ERR(("Scan results alloc failed\n"));
goto init_priv_mem_out;
}
cfg->conf = (void *)kzalloc(sizeof(*cfg->conf), GFP_KERNEL);
if (unlikely(!cfg->conf)) {
WL_ERR(("wl_conf alloc failed\n"));
goto init_priv_mem_out;
}
cfg->scan_req_int =
(void *)kzalloc(sizeof(*cfg->scan_req_int), GFP_KERNEL);
if (unlikely(!cfg->scan_req_int)) {
WL_ERR(("Scan req alloc failed\n"));
goto init_priv_mem_out;
}
cfg->ioctl_buf = (void *)kzalloc(WLC_IOCTL_MAXLEN, GFP_KERNEL);
if (unlikely(!cfg->ioctl_buf)) {
WL_ERR(("Ioctl buf alloc failed\n"));
goto init_priv_mem_out;
}
cfg->escan_ioctl_buf = (void *)kzalloc(WLC_IOCTL_MAXLEN, GFP_KERNEL);
if (unlikely(!cfg->escan_ioctl_buf)) {
WL_ERR(("Ioctl buf alloc failed\n"));
goto init_priv_mem_out;
}
cfg->extra_buf = (void *)kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
if (unlikely(!cfg->extra_buf)) {
WL_ERR(("Extra buf alloc failed\n"));
goto init_priv_mem_out;
}
cfg->pmk_list = (void *)kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL);
if (unlikely(!cfg->pmk_list)) {
WL_ERR(("pmk list alloc failed\n"));
goto init_priv_mem_out;
}
cfg->sta_info = (void *)kzalloc(sizeof(*cfg->sta_info), GFP_KERNEL);
if (unlikely(!cfg->sta_info)) {
WL_ERR(("sta info alloc failed\n"));
goto init_priv_mem_out;
}
#if defined(STATIC_WL_PRIV_STRUCT)
cfg->conn_info = (void *)kzalloc(sizeof(*cfg->conn_info), GFP_KERNEL);
if (unlikely(!cfg->conn_info)) {
WL_ERR(("cfg->conn_info alloc failed\n"));
goto init_priv_mem_out;
}
cfg->ie = (void *)kzalloc(sizeof(*cfg->ie), GFP_KERNEL);
if (unlikely(!cfg->ie)) {
WL_ERR(("cfg->ie alloc failed\n"));
goto init_priv_mem_out;
}
wl_init_escan_result_buf(cfg);
#endif /* STATIC_WL_PRIV_STRUCT */
cfg->afx_hdl = (void *)kzalloc(sizeof(*cfg->afx_hdl), GFP_KERNEL);
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);
}
return 0;
init_priv_mem_out:
wl_deinit_priv_mem(cfg);
return -ENOMEM;
}
static void wl_deinit_priv_mem(struct bcm_cfg80211 *cfg)
{
kfree(cfg->scan_results);
cfg->scan_results = NULL;
kfree(cfg->conf);
cfg->conf = NULL;
kfree(cfg->scan_req_int);
cfg->scan_req_int = NULL;
kfree(cfg->ioctl_buf);
cfg->ioctl_buf = NULL;
kfree(cfg->escan_ioctl_buf);
cfg->escan_ioctl_buf = NULL;
kfree(cfg->extra_buf);
cfg->extra_buf = NULL;
kfree(cfg->pmk_list);
cfg->pmk_list = NULL;
kfree(cfg->sta_info);
cfg->sta_info = NULL;
#if defined(STATIC_WL_PRIV_STRUCT)
kfree(cfg->conn_info);
cfg->conn_info = NULL;
kfree(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);
kfree(cfg->afx_hdl);
cfg->afx_hdl = NULL;
}
if (cfg->ap_info) {
kfree(cfg->ap_info->wpa_ie);
kfree(cfg->ap_info->rsn_ie);
kfree(cfg->ap_info->wps_ie);
kfree(cfg->ap_info);
cfg->ap_info = NULL;
}
}
static s32 wl_create_event_handler(struct bcm_cfg80211 *cfg)
{
int ret = 0;
WL_DBG(("Enter \n"));
/* Do not use DHD in cfg driver */
cfg->event_tsk.thr_pid = -1;
PROC_START(wl_event_handler, cfg, &cfg->event_tsk, 0, "wl_event_handler");
if (cfg->event_tsk.thr_pid < 0)
ret = -ENOMEM;
return ret;
}
static void wl_destroy_event_handler(struct bcm_cfg80211 *cfg)
{
if (cfg->event_tsk.thr_pid >= 0)
PROC_STOP(&cfg->event_tsk);
}
static void wl_scan_timeout(unsigned long data)
{
wl_event_msg_t msg;
struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)data;
if (!(cfg->scan_request)) {
WL_ERR(("timer expired but no scan request\n"));
return;
}
bzero(&msg, sizeof(wl_event_msg_t));
WL_ERR(("timer expired\n"));
msg.event_type = hton32(WLC_E_ESCAN_RESULT);
msg.status = hton32(WLC_E_STATUS_TIMEOUT);
msg.reason = 0xFFFFFFFF;
wl_cfg80211_event(bcmcfg_to_prmry_ndev(cfg), &msg, NULL);
}
static void wl_send_event(struct net_device *dev, uint32 event_type,
uint32 status, uint32 reason)
{
wl_event_msg_t msg;
bzero(&msg, sizeof(wl_event_msg_t));
msg.event_type = hton32(event_type);
msg.status = hton32(status);
msg.reason = hton32(reason);
wl_cfg80211_event(dev, &msg, NULL);
}
static s32
wl_cfg80211_netdev_notifier_call(struct notifier_block * nb,
unsigned long state,
void *ndev)
{
struct net_device *dev = ndev;
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct bcm_cfg80211 *cfg = g_bcm_cfg;
WL_DBG(("Enter \n"));
if (!wdev || !cfg || dev == bcmcfg_to_prmry_ndev(cfg))
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:
/* after calling list_del_rcu(&wdev->list) */
wl_dealloc_netinfo(cfg, ndev);
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_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(-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(dev, WLC_SCAN, params, params_size, true);
if (err < 0) {
WL_ERR(("scan abort failed \n"));
}
kfree(params);
}
}
}
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;
WL_DBG(("Enter \n"));
if (!ndev) {
WL_ERR(("ndev is null\n"));
err = BCME_ERROR;
return err;
}
if (cfg->escan_info.ndev != ndev) {
WL_ERR(("ndev is different %p %p\n", cfg->escan_info.ndev, ndev));
err = BCME_ERROR;
return err;
}
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;
#endif /* WL_ENABLE_P2P_IF */
}
else {
WL_DBG(("cfg->scan_request is NULL may be internal scan."
"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);
#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) {
WL_PNO((">>> REPORTING SCHED SCAN RESULTS \n"));
if (!aborted)
cfg80211_sched_scan_results(cfg->sched_scan_req->wiphy);
cfg->sched_scan_running = FALSE;
cfg->sched_scan_req = NULL;
}
#endif /* WL_SCHED_SCAN */
if (likely(cfg->scan_request)) {
cfg80211_scan_done(cfg->scan_request, aborted);
cfg->scan_request = NULL;
}
if (p2p_is_on(cfg))
wl_clr_p2p_status(cfg, SCANNING);
wl_clr_drv_status(cfg, SCANNING, dev);
spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags);
return err;
}
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_bss_info_t *bi;
wl_escan_result_t *escan_result;
wl_bss_info_t *bss = NULL;
wl_scan_results_t *list;
wifi_p2p_ie_t * p2p_ie;
struct net_device *ndev = NULL;
u32 bi_length;
u32 i;
u8 *p2p_dev_addr = NULL;
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;
}
if (!ndev || (!wl_get_drv_status(cfg, SCANNING, ndev) && !cfg->sched_scan_running)) {
WL_ERR(("escan is not ready ndev %p drv_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;
}
escan_result = (wl_escan_result_t *)data;
if (status == WLC_E_STATUS_PARTIAL) {
WL_INFORM(("WLC_E_STATUS_PARTIAL \n"));
if (!escan_result) {
WL_ERR(("Invalid escan result (NULL pointer)\n"));
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;
}
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;
list = wl_escan_get_buf(cfg, FALSE);
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;
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;
}
}
for (i = 0; i < list->count; i++) {
bss = bss ? (wl_bss_info_t *)((uintptr)bss + dtoh32(bss->length))
: list->bss_info;
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_DBG(("%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_DBG(("%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) {
WL_ERR(("Buffer is too small: ignoring\n"));
goto exit;
}
memcpy(&(((char *)list)[list->buflen]), bi, bi_length);
list->version = dtoh32(bi->version);
list->buflen += bi_length;
list->count++;
}
}
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_INFORM(("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_INFORM(("ESCAN COMPLETED\n"));
cfg->bss_list = wl_escan_get_buf(cfg, FALSE);
if (!scan_req_match(cfg)) {
WL_TRACE_HW4(("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);
}
#ifdef GSCAN_SUPPORT
else if ((status == WLC_E_STATUS_ABORT) || (status == WLC_E_STATUS_NEWSCAN)) {
if (status == WLC_E_STATUS_NEWSCAN) {
WL_ERR(("WLC_E_STATUS_NEWSCAN : scan_request[%p]\n", cfg->scan_request));
WL_ERR(("sync_id[%d], bss_count[%d]\n", escan_result->sync_id,
escan_result->bss_count));
}
#else
else if (status == WLC_E_STATUS_ABORT) {
#endif /* GSCAN_SUPPORT */
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_INFORM(("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(("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));
}
wl_inform_bss(cfg);
wl_notify_escan_complete(cfg, ndev, true, false);
}
wl_escan_increment_sync_id(cfg, SCAN_BUF_CNT);
} else if (status == WLC_E_STATUS_NEWSCAN) {
WL_ERR(("WLC_E_STATUS_NEWSCAN : scan_request[%p]\n", cfg->scan_request));
WL_ERR(("sync_id[%d], bss_count[%d]\n", escan_result->sync_id,
escan_result->bss_count));
} 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_INFORM(("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);
}
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);
struct net_info *iter, *next;
int err;
if (!cfg->roamoff_on_concurrent)
return;
if (enable && connected_cnt > 1) {
for_each_ndev(cfg, iter, next) {
/* Save the current roam setting */
if ((err = wldev_iovar_getint(iter->ndev, "roam_off",
(s32 *)&iter->roam_off)) != BCME_OK) {
WL_ERR(("%s:Failed to get current roam setting err %d\n",
iter->ndev->name, err));
continue;
}
if ((err = wldev_iovar_setint(iter->ndev, "roam_off", 1)) != BCME_OK) {
WL_ERR((" %s:failed to set roam_off : %d\n",
iter->ndev->name, err));
}
}
}
else if (!enable) {
for_each_ndev(cfg, iter, next) {
if (iter->roam_off != WL_INVALID) {
if ((err = wldev_iovar_setint(iter->ndev, "roam_off",
iter->roam_off)) == BCME_OK)
iter->roam_off = WL_INVALID;
else {
WL_ERR((" %s:failed to set roam_off : %d\n",
iter->ndev->name, err));
}
}
}
}
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;
}
for_each_ndev(cfg, iter, next) {
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;
}
}
}
}
WL_ERR(("%s concurrency is enabled\n", cfg->vsdb_mode ? "Multi Channel" : "Same Channel"));
return;
}
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;
u32 frameburst;
struct net_info *iter, *next;
struct net_device *primary_dev = bcmcfg_to_prmry_ndev(cfg);
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));
mode = wl_get_mode_by_netdev(cfg, _net_info->ndev);
if (set) {
if (state == WL_STATUS_CONNECTED) {
wl_cfg80211_concurrent_roam(cfg, 1);
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"));
}
wl_cfg80211_determine_vsdb_mode(cfg);
if (cfg->vsdb_mode || _net_info->pm_block) {
/* Delete pm_enable_work */
wl_add_remove_pm_enable_work(cfg, FALSE, WL_HANDLER_MAINTAIN);
/* save PM_FAST in _net_info to restore this
* if _net_info->pm_block is false
*/
if (!_net_info->pm_block && (mode == WL_MODE_BSS)) {
_net_info->pm = PM_FAST;
_net_info->pm_restore = true;
}
pm = PM_OFF;
for_each_ndev(cfg, iter, next) {
if (iter->pm_restore)
continue;
/* Save the current power mode */
err = wldev_ioctl(iter->ndev, WLC_GET_PM, &iter->pm,
sizeof(iter->pm), false);
WL_DBG(("%s:power save %s\n", iter->ndev->name,
iter->pm ? "enabled" : "disabled"));
if (!err && iter->pm) {
iter->pm_restore = true;
}
}
for_each_ndev(cfg, iter, next) {
if ((err = wldev_ioctl(iter->ndev, WLC_SET_PM, &pm,
sizeof(pm), true)) != 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);
}
}
} else {
/*
* Re-enable PM2 mode for static IP and roaming event
*/
pm = PM_FAST;
for_each_ndev(cfg, iter, next) {
if ((err = wldev_ioctl(iter->ndev, WLC_SET_PM, &pm,
sizeof(pm), true)) != 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));
}
}
if (cfg->pm_enable_work_on) {
wl_add_remove_pm_enable_work(cfg, FALSE, WL_HANDLER_DEL);
}
}
#if defined(WLTDLS)
#if defined(DISABLE_TDLS_IN_P2P)
if (cfg->vsdb_mode || p2p_is_on(cfg))
#else
if (cfg->vsdb_mode)
#endif /* defined(DISABLE_TDLS_IN_P2P) */
{
err = wldev_iovar_setint(primary_dev, "tdls_enable", 0);
}
#endif /* defined(WLTDLS) */
if (cfg->vsdb_mode) {
/* disable frameburst on multichannel */
frameburst = 0;
if (wldev_ioctl(primary_dev, WLC_SET_FAKEFRAG, &frameburst,
sizeof(frameburst), true) != 0) {
WL_DBG(("frameburst set 0 error\n"));
} else {
WL_DBG(("Frameburst Disabled\n"));
}
}
}
} else { /* clear */
if (state == WL_STATUS_CONNECTED) {
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);
for_each_ndev(cfg, iter, next) {
if (iter->pm_restore && iter->pm) {
WL_DBG(("%s:restoring power save %s\n",
iter->ndev->name, (iter->pm ? "enabled" : "disabled")));
err = wldev_ioctl(iter->ndev, WLC_SET_PM, &iter->pm,
sizeof(iter->pm), true);
if (unlikely(err)) {
if (err == -ENODEV)
WL_DBG(("%s:netdev not ready\n", iter->ndev->name));
else
WL_ERR(("%s:error(%d)\n", iter->ndev->name, err));
break;
}
iter->pm_restore = 0;
wl_cfg80211_update_power_mode(iter->ndev);
}
}
wl_cfg80211_concurrent_roam(cfg, 0);
if (!cfg->vsdb_mode) {
#if defined(WLTDLS)
err = wldev_iovar_setint(primary_dev, "tdls_enable", 1);
#endif /* defined(WLTDLS) */
/* enable frameburst on single channel */
frameburst = 1;
if (wldev_ioctl(primary_dev, WLC_SET_FAKEFRAG, &frameburst,
sizeof(frameburst), true) != 0) {
WL_DBG(("frameburst set 1 error\n"));
} else {
WL_DBG(("Frameburst Enabled\n"));
}
}
} else if (state == WL_STATUS_DISCONNECTING) {
wake_up_interruptible(&cfg->event_sync_wq);
}
}
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 */
init_timer(&cfg->scan_timeout);
cfg->scan_timeout.data = (unsigned long) cfg;
cfg->scan_timeout.function = wl_scan_timeout;
return err;
}
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);
cfg->roam_on = false;
cfg->active_scan = true;
cfg->rf_blocked = false;
cfg->vsdb_mode = false;
#if defined(BCMSDIO)
cfg->wlfc_on = false;
#endif
cfg->roamoff_on_concurrent = true;
cfg->disable_roam_event = false;
/* register interested state */
set_bit(WL_STATUS_CONNECTED, &cfg->interrested_state);
set_bit(WL_STATUS_DISCONNECTING, &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->event_sync_wq);
init_completion(&cfg->send_af_done);
init_completion(&cfg->iface_disable);
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);
mutex_init(&cfg->usr_sync);
mutex_init(&cfg->event_sync);
err = wl_init_scan(cfg);
if (err)
return err;
wl_init_conf(cfg->conf);
wl_init_prof(cfg, ndev);
wl_link_down(cfg);
DNGL_FUNC(dhd_cfg80211_init, (cfg));
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);
del_timer_sync(&cfg->scan_timeout);
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(void)
{
struct bcm_cfg80211 *cfg = g_bcm_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(void)
{
struct bcm_cfg80211 *cfg = g_bcm_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%08x \n", (unsigned int)wdev));
kfree(wdev);
return 0;
}
#endif
s32 wl_cfg80211_attach_post(struct net_device *ndev)
{
struct bcm_cfg80211 * cfg = NULL;
s32 err = 0;
s32 ret = 0;
WL_TRACE(("In\n"));
if (unlikely(!ndev)) {
WL_ERR(("ndev is invaild\n"));
return -ENODEV;
}
cfg = g_bcm_cfg;
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_ERR(("%s: p2p_dev_addr="MACDBG "\n",
cfg->p2p_net->name,
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;
}
s32 wl_cfg80211_attach(struct net_device *ndev, void *context)
{
struct wireless_dev *wdev;
struct bcm_cfg80211 *cfg;
s32 err = 0;
struct device *dev;
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 = kzalloc(sizeof(*wdev), GFP_KERNEL);
if (unlikely(!wdev)) {
WL_ERR(("Could not allocate wireless device\n"));
return -ENOMEM;
}
err = wl_setup_wiphy(wdev, dev, context);
if (unlikely(err)) {
kfree(wdev);
return -ENOMEM;
}
wdev->iftype = wl_mode_to_nl80211_iftype(WL_MODE_BSS);
cfg = (struct bcm_cfg80211 *)wiphy_priv(wdev->wiphy);
cfg->wdev = wdev;
cfg->pub = context;
INIT_LIST_HEAD(&cfg->net_list);
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_MODE_BSS, PM_ENABLE);
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
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
g_bcm_cfg = cfg;
#if defined(WL_ENABLE_P2P_IF)
err = wl_cfg80211_attach_p2p();
if (err)
goto cfg80211_attach_out;
#endif
return err;
cfg80211_attach_out:
wl_setup_rfkill(cfg, FALSE);
wl_free_wdev(cfg);
return err;
}
void wl_cfg80211_detach(void *para)
{
struct bcm_cfg80211 *cfg;
(void)para;
cfg = g_bcm_cfg;
WL_TRACE(("In\n"));
wl_add_remove_pm_enable_work(cfg, FALSE, WL_HANDLER_DEL);
#if defined(COEX_DHCP)
wl_cfg80211_btcoex_deinit();
cfg->btcoex_info = NULL;
#endif
wl_setup_rfkill(cfg, FALSE);
#ifdef DEBUGFS_CFG80211
wl_free_debugfs(cfg);
#endif
if (cfg->p2p_supported) {
if (timer_pending(&cfg->p2p->listen_timer))
del_timer_sync(&cfg->p2p->listen_timer);
wl_cfgp2p_deinit_priv(cfg);
}
if (timer_pending(&cfg->scan_timeout))
del_timer_sync(&cfg->scan_timeout);
#if defined(WL_CFG80211_P2P_DEV_IF)
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();
#endif
wl_cfg80211_ibss_vsie_free(cfg);
wl_deinit_priv(cfg);
g_bcm_cfg = NULL;
wl_cfg80211_clear_parent_dev();
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 !!!!!!!!!!!
*/
}
static void wl_wakeup_event(struct bcm_cfg80211 *cfg)
{
if (cfg->event_tsk.thr_pid >= 0) {
DHD_OS_WAKE_LOCK(cfg->pub);
up(&cfg->event_tsk.sema);
}
}
static s32 wl_event_handler(void *data)
{
struct bcm_cfg80211 *cfg = NULL;
struct wl_event_q *e;
tsk_ctl_t *tsk = (tsk_ctl_t *)data;
bcm_struct_cfgdev *cfgdev = NULL;
cfg = (struct bcm_cfg80211 *)tsk->parent;
WL_ERR(("tsk Enter, tsk = 0x%p\n", tsk));
while (down_interruptible (&tsk->sema) == 0) {
SMP_RD_BARRIER_DEPENDS();
if (tsk->terminated)
break;
while ((e = wl_deq_event(cfg))) {
WL_DBG(("event type (%d), if idx: %d\n", e->etype, e->emsg.ifidx));
/* All P2P device address related events comes on primary interface since
* there is no corresponding bsscfg for P2P interface. Map it to p2p0
* interface.
*/
#if defined(WL_CFG80211_P2P_DEV_IF)
if (WL_IS_P2P_DEV_EVENT(e) && (cfg->p2p_wdev)) {
cfgdev = bcmcfg_to_p2p_wdev(cfg);
} else {
struct net_device *ndev = NULL;
ndev = dhd_idx2net((struct dhd_pub *)(cfg->pub), e->emsg.ifidx);
if (ndev)
cfgdev = ndev_to_wdev(ndev);
}
#elif defined(WL_ENABLE_P2P_IF)
if (WL_IS_P2P_DEV_EVENT(e) && (cfg->p2p_net)) {
cfgdev = cfg->p2p_net;
} else {
cfgdev = dhd_idx2net((struct dhd_pub *)(cfg->pub),
e->emsg.ifidx);
}
#endif /* WL_CFG80211_P2P_DEV_IF */
if (!cfgdev) {
#if defined(WL_CFG80211_P2P_DEV_IF)
cfgdev = bcmcfg_to_prmry_wdev(cfg);
#elif defined(WL_ENABLE_P2P_IF)
cfgdev = bcmcfg_to_prmry_ndev(cfg);
#endif /* WL_CFG80211_P2P_DEV_IF */
}
if (e->etype < WLC_E_LAST && cfg->evt_handler[e->etype]) {
cfg->evt_handler[e->etype] (cfg, cfgdev, &e->emsg, e->edata);
} else {
WL_DBG(("Unknown Event (%d): ignoring\n", e->etype));
}
wl_put_event(e);
}
DHD_OS_WAKE_UNLOCK(cfg->pub);
}
WL_ERR(("was terminated\n"));
complete_and_exit(&tsk->completed, 0);
return 0;
}
void
wl_cfg80211_event(struct net_device *ndev, const wl_event_msg_t * e, void *data)
{
u32 event_type = ntoh32(e->event_type);
struct bcm_cfg80211 *cfg = g_bcm_cfg;
#if (WL_DBG_LEVEL > 0)
s8 *estr = (event_type <= sizeof(wl_dbg_estr) / WL_DBG_ESTR_MAX - 1) ?
wl_dbg_estr[event_type] : (s8 *) "Unknown";
WL_DBG(("event_type (%d):" "WLC_E_" "%s\n", event_type, estr));
#endif /* (WL_DBG_LEVEL > 0) */
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 (ndev != bcmcfg_to_prmry_ndev(cfg) && cfg->p2p_supported) {
if (ndev != wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION) &&
#if defined(WL_ENABLE_P2P_IF)
(ndev != (cfg->p2p_net ? cfg->p2p_net :
wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_DEVICE))) &&
#else
(ndev != wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_DEVICE)) &&
#endif /* WL_ENABLE_P2P_IF */
TRUE) {
WL_ERR(("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)))
wl_wakeup_event(cfg);
}
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(&cfg->eq_list)) {
e = list_first_entry(&cfg->eq_list, struct wl_event_q, eq_list);
list_del(&e->eq_list);
kfree(e);
}
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))) {
e = list_first_entry(&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;
gfp_t aflags;
data_len = 0;
if (data)
data_len = ntoh32(msg->datalen);
evtq_size = sizeof(struct wl_event_q) + data_len;
aflags = (in_atomic()) ? GFP_ATOMIC : GFP_KERNEL;
e = kzalloc(evtq_size, aflags);
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);
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 wl_event_q *e)
{
kfree(e);
}
static s32 wl_config_ifmode(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 iftype)
{
s32 infra = 0;
s32 err = 0;
s32 mode = 0;
switch (iftype) {
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_WDS:
WL_ERR(("type (%d) : currently we do not support this mode\n",
iftype));
err = -EINVAL;
return err;
case NL80211_IFTYPE_ADHOC:
mode = WL_MODE_IBSS;
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
mode = WL_MODE_BSS;
infra = 1;
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
mode = WL_MODE_AP;
infra = 1;
break;
default:
err = -EINVAL;
WL_ERR(("invalid type (%d)\n", iftype));
return err;
}
infra = htod32(infra);
err = wldev_ioctl(ndev, WLC_SET_INFRA, &infra, sizeof(infra), true);
if (unlikely(err)) {
WL_ERR(("WLC_SET_INFRA error (%d)\n", err));
return err;
}
wl_set_mode_by_netdev(cfg, ndev, mode);
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 */
bcm_mkiovar("event_msgs", NULL, 0, iovbuf,
sizeof(iovbuf));
ret = wldev_ioctl(ndev, WLC_GET_VAR, iovbuf, sizeof(iovbuf), false);
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 */
bcm_mkiovar("event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf,
sizeof(iovbuf));
ret = wldev_ioctl(ndev, WLC_SET_VAR, iovbuf, sizeof(iovbuf), true);
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 = g_bcm_cfg;
if (!ndev || !cfg)
return -ENODEV;
mutex_lock(&cfg->event_sync);
/* Setup event_msgs */
bcm_mkiovar("event_msgs", NULL, 0, iovbuf,
sizeof(iovbuf));
err = wldev_ioctl(ndev, WLC_GET_VAR, iovbuf, sizeof(iovbuf), false);
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);
}
bcm_mkiovar("event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf,
sizeof(iovbuf));
err = wldev_ioctl(ndev, WLC_SET_VAR, iovbuf, sizeof(iovbuf), true);
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 = kzalloc(LOCAL_BUF_LEN, GFP_KERNEL);
if (pbuf == NULL) {
WL_ERR(("failed to allocate local buf\n"));
return -ENOMEM;
}
list = (wl_uint32_list_t *)(void *)pbuf;
list->count = htod32(WL_NUMCHANSPECS);
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));
kfree(pbuf);
return err;
}
#undef LOCAL_BUF_LEN
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 (index < array_size) {
#if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 38)
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
band_chan_arr[index].hw_value = channel;
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
}
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
} 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;
kfree(pbuf);
return err;
}
s32 wl_update_wiphybands(struct bcm_cfg80211 *cfg, bool notify)
{
struct wiphy *wiphy;
struct net_device *dev;
u32 bandlist[3];
u32 nband = 0;
u32 i = 0;
s32 err = 0;
s32 index = 0;
s32 nmode = 0;
bool rollback_lock = false;
s32 bw_cap = 0;
s32 cur_band = -1;
struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS] = {NULL, };
if (cfg == NULL) {
cfg = g_bcm_cfg;
mutex_lock(&cfg->usr_sync);
rollback_lock = true;
}
dev = bcmcfg_to_prmry_ndev(cfg);
memset(bandlist, 0, sizeof(bandlist));
err = wldev_ioctl(dev, WLC_GET_BANDLIST, bandlist,
sizeof(bandlist), false);
if (unlikely(err)) {
WL_ERR(("error read bandlist (%d)\n", err));
goto end_bands;
}
err = wldev_ioctl(dev, WLC_GET_BAND, &cur_band,
sizeof(s32), false);
if (unlikely(err)) {
WL_ERR(("error (%d)\n", err));
goto end_bands;
}
err = wldev_iovar_getint(dev, "nmode", &nmode);
if (unlikely(err)) {
WL_ERR(("error reading nmode (%d)\n", err));
} else {
/* For nmodeonly check bw cap */
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)
goto end_bands;
err = 0;
}
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 (bw_cap == WLC_N_BW_40ALL || bw_cap == WLC_N_BW_20IN2G_40IN5G)
bands[index]->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
}
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);
end_bands:
if (rollback_lock)
mutex_unlock(&cfg->usr_sync);
return err;
}
static s32 __wl_cfg80211_up(struct bcm_cfg80211 *cfg)
{
s32 err = 0;
struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg);
struct wireless_dev *wdev = ndev->ieee80211_ptr;
WL_DBG(("In\n"));
err = dhd_config_dongle(cfg);
if (unlikely(err))
return err;
err = wl_config_ifmode(cfg, ndev, wdev->iftype);
if (unlikely(err && err != -EINPROGRESS)) {
WL_ERR(("wl_config_ifmode failed\n"));
if (err == -1) {
WL_ERR(("return error %d\n", err));
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;
}
}
err = dhd_monitor_init(cfg->pub);
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)
struct net_device *p2p_net = cfg->p2p_net;
#endif
u32 bssidx = 0;
#ifdef PROP_TXSTATUS_VSDB
#if defined(BCMSDIO)
dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub);
#endif
#endif /* PROP_TXSTATUS_VSDB */
WL_DBG(("In\n"));
/* Delete pm_enable_work */
wl_add_remove_pm_enable_work(cfg, FALSE, WL_HANDLER_DEL);
if (cfg->p2p_supported) {
wl_clr_p2p_status(cfg, GO_NEG_PHASE);
#ifdef PROP_TXSTATUS_VSDB
#if defined(BCMSDIO)
if (cfg->p2p->vif_created) {
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
#endif /* PROP_TXSTATUS_VSDB */
}
/* If primary BSS is operational (for e.g SoftAP), bring it down */
if (!(wl_cfgp2p_find_idx(cfg, ndev, &bssidx)) &&
wl_cfgp2p_bss_isup(ndev, bssidx)) {
if (wl_cfgp2p_bss(cfg, ndev, bssidx, 0) < 0)
WL_ERR(("BSS down failed \n"));
}
/* Check if cfg80211 interface is already down */
if (!wl_get_drv_status(cfg, READY, ndev))
return err; /* it is even not ready */
for_each_ndev(cfg, iter, next)
wl_set_drv_status(cfg, SCAN_ABORTING, iter->ndev);
spin_lock_irqsave(&cfg->cfgdrv_lock, flags);
if (cfg->scan_request) {
cfg80211_scan_done(cfg->scan_request, true);
cfg->scan_request = NULL;
}
spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags);
for_each_ndev(cfg, iter, next) {
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);
}
bcmcfg_to_prmry_ndev(cfg)->ieee80211_ptr->iftype =
NL80211_IFTYPE_STATION;
#if defined(WL_CFG80211) && defined(WL_ENABLE_P2P_IF)
if (p2p_net)
dev_close(p2p_net);
#endif
wl_flush_eq(cfg);
wl_link_down(cfg);
if (cfg->p2p_supported)
wl_cfgp2p_down(cfg);
if (cfg->ap_info) {
kfree(cfg->ap_info->wpa_ie);
kfree(cfg->ap_info->rsn_ie);
kfree(cfg->ap_info->wps_ie);
kfree(cfg->ap_info);
cfg->ap_info = NULL;
}
dhd_monitor_uninit();
#if defined(DUAL_STA) || defined(DUAL_STA_STATIC_IF)
/* Clean up if not removed already */
if (cfg->bss_cfgdev)
wl_cfg80211_del_iface(cfg->wdev->wiphy, cfg->bss_cfgdev);
#endif /* defined (DUAL_STA) || defined (DUAL_STA_STATIC_IF) */
DNGL_FUNC(dhd_cfg80211_down, (cfg));
return err;
}
s32 wl_cfg80211_up(void *para)
{
struct bcm_cfg80211 *cfg;
s32 err = 0;
int val = 1;
dhd_pub_t *dhd;
(void)para;
WL_DBG(("In\n"));
cfg = g_bcm_cfg;
if ((err = wldev_ioctl(bcmcfg_to_prmry_ndev(cfg), WLC_GET_VERSION, &val,
sizeof(int), false) < 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));
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))
return err;
}
err = __wl_cfg80211_up(cfg);
if (unlikely(err))
WL_ERR(("__wl_cfg80211_up failed\n"));
#ifdef ROAM_CHANNEL_CACHE
init_roam(ioctl_version);
#endif
mutex_unlock(&cfg->usr_sync);
#ifdef DUAL_STA_STATIC_IF
#ifdef DUAL_STA
#error "Both DUAL_STA and DUAL_STA_STATIC_IF can't be enabled together"
#endif
/* Static Interface support is currently supported only for STA only builds (without P2P) */
wl_cfg80211_create_iface(cfg->wdev->wiphy, NL80211_IFTYPE_STATION, 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;
cfg = g_bcm_cfg;
WL_ERR(("In : chip crash eventing\n"));
wl_add_remove_pm_enable_work(cfg, FALSE, WL_HANDLER_DEL);
cfg80211_disconnected(dev, reason, NULL, 0, GFP_KERNEL);
if (cfg != NULL) {
wl_link_down(cfg);
}
return 0;
}
s32 wl_cfg80211_down(void *para)
{
struct bcm_cfg80211 *cfg;
s32 err = 0;
(void)para;
WL_DBG(("In\n"));
cfg = g_bcm_cfg;
mutex_lock(&cfg->usr_sync);
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, void *data, s32 item)
{
s32 err = 0;
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 = (wlc_ssid_t *) data;
memset(profile->ssid.SSID, 0,
sizeof(profile->ssid.SSID));
memcpy(profile->ssid.SSID, ssid->SSID, ssid->SSID_len);
profile->ssid.SSID_len = 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 = *(bool *)data;
break;
case WL_PROF_BEACONINT:
profile->beacon_interval = *(u16 *)data;
break;
case WL_PROF_DTIMPERIOD:
profile->dtim_period = *(u8 *)data;
break;
case WL_PROF_CHAN:
profile->channel = *(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(struct wl_bss_info *bi, u8 *ie_stream, u32 *ie_size, bool roam)
{
u8 *ssidie;
ssidie = (u8 *)cfg80211_find_ie(WLAN_EID_SSID, ie_stream, *ie_size);
if (!ssidie)
return;
if (ssidie[1] != bi->SSID_len) {
if (ssidie[1]) {
WL_ERR(("%s: Wrong SSID len: %d != %d\n",
__FUNCTION__, ssidie[1], bi->SSID_len));
}
if (roam) {
WL_ERR(("Changing the SSID Info.\n"));
memmove(ssidie + bi->SSID_len + 2,
(ssidie + 2) + ssidie[1],
*ie_size - (ssidie + 2 + ssidie[1] - ie_stream));
memcpy(ssidie + 2, bi->SSID, bi->SSID_len);
*ie_size = *ie_size + bi->SSID_len - ssidie[1];
ssidie[1] = bi->SSID_len;
}
return;
}
if (*(ssidie + 2) == '\0')
memcpy(ssidie + 2, bi->SSID, bi->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;
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 = g_bcm_cfg;
struct ether_addr p2pif_addr;
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(&primary_mac, p2pdev_addr, &p2pif_addr);
} else {
memcpy(p2pdev_addr->octet,
cfg->p2p->dev_addr.octet, ETHER_ADDR_LEN);
}
return 0;
}
s32 wl_cfg80211_set_p2p_noa(struct net_device *net, char* buf, int len)
{
struct bcm_cfg80211 *cfg;
cfg = g_bcm_cfg;
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;
cfg = g_bcm_cfg;
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;
cfg = g_bcm_cfg;
return wl_cfgp2p_set_p2p_ps(cfg, net, buf, len);
}
s32 wl_cfg80211_channel_to_freq(u32 channel)
{
int freq = 0;
#if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 38)
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
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 :
#ifdef PCIE_FULL_DONGLE
dhd_tdls_update_peer_info(ndev, TRUE, (uint8 *)&e->addr.octet[0]);
#endif /* PCIE_FULL_DONGLE */
msg = " TDLS PEER CONNECTED ";
break;
case WLC_E_TDLS_PEER_DISCONNECTED :
#ifdef PCIE_FULL_DONGLE
dhd_tdls_update_peer_info(ndev, FALSE, (uint8 *)&e->addr.octet[0]);
#endif /* PCIE_FULL_DONGLE */
msg = "TDLS PEER DISCONNECTED ";
break;
}
if (msg) {
WL_ERR(("%s: " MACDBG " on %s ndev\n", msg, MAC2STRDBG((u8*)(&e->addr)),
(bcmcfg_to_prmry_ndev(cfg) == ndev) ? "primary" : "secondary"));
}
return 0;
}
#endif /* WLTDLS */
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0))
static s32
wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
u8 *peer, enum nl80211_tdls_operation oper)
{
s32 ret = 0;
#ifdef WLTDLS
struct bcm_cfg80211 *cfg;
tdls_iovar_t info;
cfg = g_bcm_cfg;
memset(&info, 0, sizeof(tdls_iovar_t));
if (peer)
memcpy(&info.ea, peer, ETHER_ADDR_LEN);
switch (oper) {
case NL80211_TDLS_DISCOVERY_REQ:
/* turn on TDLS */
ret = dhd_tdls_enable(dev, true, false, NULL);
if (ret < 0)
return ret;
info.mode = TDLS_MANUAL_EP_DISCOVERY;
break;
case NL80211_TDLS_SETUP:
/* auto mode on */
ret = dhd_tdls_enable(dev, true, true, (struct ether_addr *)peer);
if (ret < 0)
return ret;
break;
case NL80211_TDLS_TEARDOWN:
info.mode = TDLS_MANUAL_EP_DELETE;
/* auto mode off */
ret = dhd_tdls_enable(dev, true, false, (struct ether_addr *)peer);
if (ret < 0)
return ret;
break;
default:
WL_ERR(("Unsupported operation : %d\n", oper));
goto out;
}
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:
#endif /* WLTDLS */
return ret;
}
#endif
s32 wl_cfg80211_set_wps_p2p_ie(struct net_device *net, char *buf, int len,
enum wl_management_type type)
{
struct bcm_cfg80211 *cfg;
struct net_device *ndev = NULL;
struct ether_addr primary_mac;
s32 ret = 0;
s32 bssidx = 0;
s32 pktflag = 0;
cfg = g_bcm_cfg;
if (wl_get_drv_status(cfg, AP_CREATING, net)) {
/* Vendor IEs should be set to FW
* after SoftAP interface is brought up
*/
goto exit;
} else if (wl_get_drv_status(cfg, AP_CREATED, net)) {
ndev = net;
bssidx = 0;
} else if (cfg->p2p) {
net = ndev_to_wlc_ndev(net, cfg);
if (!cfg->p2p->on) {
get_primary_mac(cfg, &primary_mac);
wl_cfgp2p_generate_bss_mac(&primary_mac, &cfg->p2p->dev_addr,
&cfg->p2p->int_addr);
/* In case of p2p_listen command, supplicant send remain_on_channel
* without turning on P2P
*/
p2p_on(cfg) = true;
ret = wl_cfgp2p_enable_discovery(cfg, net, NULL, 0);
if (unlikely(ret)) {
goto exit;
}
}
if (net != bcmcfg_to_prmry_ndev(cfg)) {
if (wl_get_mode_by_netdev(cfg, net) == WL_MODE_AP) {
ndev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION);
bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_CONNECTION);
}
} else {
ndev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_PRIMARY);
bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE);
}
}
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_cfgp2p_set_management_ie(cfg, 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 = g_bcm_cfg;
/* Disable mpc, to avoid automatic interface down. */
val = 0;
ret = wldev_iovar_setbuf_bsscfg(ndev, "mpc", (void *)&val,
sizeof(val), cfg->ioctl_buf, WLC_IOCTL_SMLEN, 0,
&cfg->ioctl_buf_sync);
if (ret < 0) {
WL_ERR(("set 'mpc' failed, error = %d\n", ret));
goto done;
}
/* Set interface up, explicitly. */
val = 1;
ret = wldev_ioctl(ndev, WLC_UP, (void *)&val, sizeof(val), true);
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));
goto done;
}
done:
return ret;
}
static bool
wl_cfg80211_valid_chanspec_p2p(chanspec_t chanspec)
{
bool valid = false;
char chanbuf[CHANSPEC_STR_LEN];
/* channel 1 to 14 */
if ((chanspec >= 0x2b01) && (chanspec <= 0x2b0e)) {
valid = true;
}
/* channel 36 to 48 */
else if ((chanspec >= 0x1b24) && (chanspec <= 0x1b30)) {
valid = true;
}
/* channel 149 to 161 */
else if ((chanspec >= 0x1b95) && (chanspec <= 0x1ba1)) {
valid = true;
}
else {
valid = false;
WL_INFORM(("invalid P2P chanspec, chanspec = %s\n",
wf_chspec_ntoa_ex(chanspec, chanbuf)));
}
return valid;
}
static s32
wl_cfg80211_get_chanspecs_2g(struct net_device *ndev, void *buf, s32 buflen)
{
s32 ret = BCME_ERROR;
struct bcm_cfg80211 *cfg = NULL;
wl_uint32_list_t *list = NULL;
chanspec_t chanspec = 0;
memset(buf, 0, buflen);
cfg = g_bcm_cfg;
list = (wl_uint32_list_t *)buf;
list->count = htod32(WL_NUMCHANSPECS);
/* 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;
}
static 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 = NULL;
wl_uint32_list_t *list = NULL;
chanspec_t chanspec = 0;
memset(buf, 0, buflen);
cfg = g_bcm_cfg;
list = (wl_uint32_list_t *)buf;
list->count = htod32(WL_NUMCHANSPECS);
/* 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;
}
/* 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_chanspec_p2p(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;
/* Start auto channel selection scan. */
ret = wldev_ioctl(ndev, WLC_START_CHANNEL_SEL, buf, buflen, true);
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);
ret = wldev_ioctl(ndev, WLC_GET_CHANNEL_SEL, &chosen, sizeof(chosen),
false);
if ((ret == 0) && (dtoh32(chosen) != 0)) {
*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;
}
done:
return ret;
}
static s32
wl_cfg80211_restore_auto_channel_scan_state(struct net_device *ndev)
{
u32 val = 0;
s32 ret = BCME_ERROR;
struct bcm_cfg80211 *cfg = g_bcm_cfg;
/* Clear scan stop driver status. */
wl_clr_drv_status(cfg, SCANNING, ndev);
/* Enable mpc back to 1, irrespective of initial state. */
val = 1;
ret = wldev_iovar_setbuf_bsscfg(ndev, "mpc", (void *)&val,
sizeof(val), cfg->ioctl_buf, WLC_IOCTL_SMLEN, 0,
&cfg->ioctl_buf_sync);
if (ret < 0) {
WL_ERR(("set 'mpc' failed, error = %d\n", ret));
}
return ret;
}
s32
wl_cfg80211_get_best_channels(struct net_device *dev, char* cmd, int total_len)
{
int channel = 0;
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);
buf = kmalloc(CHANSPEC_BUF_SIZE, GFP_KERNEL);
if (buf == NULL) {
WL_ERR(("failed to allocate chanspec buffer\n"));
return -ENOMEM;
}
/*
* Always use primary interface, irrespective of interface on which
* command came.
*/
cfg = g_bcm_cfg;
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;
}
/* 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;
}
sprintf(pos, "%04d ", channel);
pos += 5;
/* 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;
}
sprintf(pos, "%04d ", channel);
pos += 5;
/* Set overall best channel same as 5GHz best channel. */
sprintf(pos, "%04d ", channel);
pos += 5;
done:
if (NULL != buf) {
kfree(buf);
}
/* 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));
}
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[S_SUBLOGLEVEL * ARRAYSIZE(sublogname_map)], sublog[S_SUBLOGLEVEL];
char *params, *token, *colon;
uint i, tokens, log_on = 0;
memset(tbuf, 0, sizeof(tbuf));
memset(sublog, 0, sizeof(sublog));
if (copy_from_user(&tbuf, userbuf, min_t(size_t, sizeof(tbuf), count)))
return -EFAULT;
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 %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[S_SUBLOGLEVEL * 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 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)
{
wldev_iovar_getbuf_bsscfg(bcmcfg_to_prmry_ndev(cfg), "cur_etheraddr", NULL,
0, cfg->ioctl_buf, WLC_IOCTL_SMLEN, 0, &cfg->ioctl_buf_sync);
memcpy(mac->octet, cfg->ioctl_buf, 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\n"));
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(bool set, u32 level)
{
if (set)
wl_dbg_level = level & WL_DBG_LEVEL;
else
wl_dbg_level |= (WL_DBG_LEVEL & 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
bcm_tlv_t *
wl_cfg80211_find_interworking_ie(u8 *parse, u32 len)
{
bcm_tlv_t *ie;
while ((ie = bcm_parse_tlvs(parse, (u32)len, DOT11_MNG_INTERWORKING_ID))) {
return (bcm_tlv_t *)ie;
}
return NULL;
}
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;
s32 iecount;
ie_setbuf_t *ie_setbuf;
if (ie_id != DOT11_MNG_INTERWORKING_ID)
return BCME_UNSUPPORTED;
/* 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(("cfg80211 Add IE: Invalid packet flag 0x%x\n", pktflag));
return -1;
}
/* use VNDR_IE_CUSTOM_FLAG flags for none vendor IE . currently fixed value */
pktflag = htod32(pktflag);
buf_len = sizeof(ie_setbuf_t) + data_len - 1;
ie_setbuf = (ie_setbuf_t *) kzalloc(buf_len, GFP_KERNEL);
if (!ie_setbuf) {
WL_ERR(("Error allocating buffer for IE\n"));
return -ENOMEM;
}
if (cfg->iw_ie_len == data_len && !memcmp(cfg->iw_ie, data, data_len)) {
WL_ERR(("Previous IW IE is equals to current IE\n"));
err = BCME_OK;
goto exit;
}
strncpy(ie_setbuf->cmd, "add", VNDR_IE_CMD_LEN - 1);
ie_setbuf->cmd[VNDR_IE_CMD_LEN - 1] = '\0';
/* Buffer contains only 1 IE */
iecount = htod32(1);
memcpy((void *)&ie_setbuf->ie_buffer.iecount, &iecount, sizeof(int));
memcpy((void *)&ie_setbuf->ie_buffer.ie_list[0].pktflag, &pktflag, sizeof(uint32));
/* Now, add the IE to the buffer */
ie_setbuf->ie_buffer.ie_list[0].ie_data.id = ie_id;
/* if already set with previous values, delete it first */
if (cfg->iw_ie_len != 0) {
WL_DBG(("Different IW_IE was already set. clear first\n"));
ie_setbuf->ie_buffer.ie_list[0].ie_data.len = 0;
err = wldev_iovar_setbuf_bsscfg(ndev, "ie", ie_setbuf, buf_len,
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
if (err != BCME_OK)
goto exit;
}
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);
err = wldev_iovar_setbuf_bsscfg(ndev, "ie", ie_setbuf, buf_len,
cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync);
if (err == BCME_OK) {
memcpy(cfg->iw_ie, data, data_len);
cfg->iw_ie_len = data_len;
cfg->wl11u = TRUE;
err = wldev_iovar_setint_bsscfg(ndev, "grat_arp", 1, bssidx);
}
exit:
if (ie_setbuf)
kfree(ie_setbuf);
return err;
}
#endif /* WL11U */
int wl_cfg80211_scan_stop(bcm_struct_cfgdev *cfgdev)
{
struct bcm_cfg80211 *cfg = NULL;
struct net_device *ndev = NULL;
unsigned long flags;
int clear_flag = 0;
int ret = 0;
WL_TRACE(("Enter\n"));
cfg = g_bcm_cfg;
if (!cfg)
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
cfg80211_scan_done(cfg->scan_request, 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_vsdb_mode(void)
{
return (g_bcm_cfg && g_bcm_cfg->vsdb_mode);
}
void* wl_cfg80211_get_dhdp()
{
struct bcm_cfg80211 *cfg = g_bcm_cfg;
return cfg->pub;
}
bool wl_cfg80211_is_p2p_active(void)
{
return (g_bcm_cfg && g_bcm_cfg->p2p);
}
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;
cfg = container_of(work, struct bcm_cfg80211, pm_enable_work.work);
WL_DBG(("Enter \n"));
if (cfg->pm_enable_work_on) {
cfg->pm_enable_work_on = false;
for_each_ndev(cfg, iter, next) {
if (!wl_get_drv_status(cfg, CONNECTED, iter->ndev) ||
(wl_get_mode_by_netdev(cfg, iter->ndev) != WL_MODE_BSS))
continue;
if (iter->ndev) {
if ((err = wldev_ioctl(iter->ndev, WLC_SET_PM,
&pm, sizeof(pm), true)) != 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);
}
}
}
}
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_INFORM(("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_INFORM(("Public Action : %d\n", *ret_action));
return BCME_OK;
}
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;
}
#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;
/* 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*)kmalloc(sizeof(int) +
sizeof(struct ether_addr) * macnum, GFP_KERNEL);
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));
kfree(list);
return ret;
}
#endif /* WL_CFG80211_ACL */