| /* |
| * 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 <dhd_debug.h> |
| #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; |
| 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, |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) |
| const |
| #endif |
| 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, |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) |
| const |
| #endif |
| u8 *mac_addr); |
| static s32 wl_cfg80211_change_station(struct wiphy *wiphy, |
| struct net_device *dev, |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) |
| const |
| #endif |
| 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, |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) |
| const |
| #endif |
| 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); |
| static s32 wl_handle_roam_exp_event(struct bcm_cfg80211 *wl, bcm_struct_cfgdev *cfgdev, |
| const wl_event_msg_t *e, void *data); |
| #endif /* GSCAN_SUPPORT */ |
| static s32 wl_handle_rssi_monitor_event(struct bcm_cfg80211 *wl, bcm_struct_cfgdev *cfgdev, |
| const wl_event_msg_t *e, void *data); |
| 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 void |
| 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 s32 __wl_update_wiphybands(struct bcm_cfg80211 *cfg, bool notify); |
| |
| 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]; |
| memcpy(devname, subel, subelt_len); |
| devname[subelt_len] = '\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 = wl_get_cfg(dev); |
| |
| /* Make sure radio is off or on as far as software is concerned */ |
| disable = WL_RADIO_SW_DISABLE << 16; |
| disable = htod32(disable); |
| err = wldev_ioctl(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 = wl_get_cfg(dev); |
| |
| 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 (wl_cfgp2p_check_enabled(cfg) && (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 (wl_cfgp2p_check_enabled(cfg)) { |
| 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 (wl_cfgp2p_check_enabled(cfg) && 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(struct net_device *dev, int ifidx, char *name, uint8 *mac, uint8 bssidx) |
| { |
| bool ifadd_expected = FALSE; |
| struct bcm_cfg80211 *cfg = wl_get_cfg(dev); |
| |
| /* P2P may send WLC_E_IF_ADD and/or WLC_E_IF_CHANGE during IF updating ("p2p_ifupd") |
| * redirect the IF_ADD event to ifchange as it is not a real "new" interface |
| */ |
| if (wl_get_p2p_status(cfg, IF_CHANGING)) |
| return wl_cfg80211_notify_ifchange(dev, ifidx, name, mac, bssidx); |
| |
| /* Okay, we are expecting IF_ADD (as IF_ADDING is true) */ |
| if (wl_get_p2p_status(cfg, IF_ADDING)) { |
| ifadd_expected = TRUE; |
| wl_clr_p2p_status(cfg, IF_ADDING); |
| } else if (cfg->bss_pending_op) { |
| ifadd_expected = TRUE; |
| cfg->bss_pending_op = FALSE; |
| } |
| |
| if (ifadd_expected) { |
| wl_if_event_info *if_event_info = &cfg->if_event_info; |
| |
| if_event_info->valid = TRUE; |
| if_event_info->ifidx = ifidx; |
| if_event_info->bssidx = bssidx; |
| 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(struct net_device *dev, int ifidx, char *name, uint8 *mac, uint8 bssidx) |
| { |
| bool ifdel_expected = FALSE; |
| struct bcm_cfg80211 *cfg = wl_get_cfg(dev); |
| wl_if_event_info *if_event_info = &cfg->if_event_info; |
| |
| if (wl_get_p2p_status(cfg, IF_DELETING)) { |
| ifdel_expected = TRUE; |
| wl_clr_p2p_status(cfg, IF_DELETING); |
| } else if (cfg->bss_pending_op) { |
| ifdel_expected = TRUE; |
| cfg->bss_pending_op = FALSE; |
| } |
| |
| if (ifdel_expected) { |
| if_event_info->valid = TRUE; |
| if_event_info->ifidx = ifidx; |
| if_event_info->bssidx = bssidx; |
| wake_up_interruptible(&cfg->netif_change_event); |
| return BCME_OK; |
| } |
| |
| return BCME_ERROR; |
| } |
| |
| s32 |
| wl_cfg80211_notify_ifchange(struct net_device *dev, int ifidx, char *name, uint8 *mac, uint8 bssidx) |
| { |
| struct bcm_cfg80211 *cfg = wl_get_cfg(dev); |
| |
| if (wl_get_p2p_status(cfg, IF_CHANGING)) { |
| wl_set_p2p_status(cfg, IF_CHANGED); |
| wake_up_interruptible(&cfg->netif_change_event); |
| return BCME_OK; |
| } |
| |
| return BCME_ERROR; |
| } |
| |
| 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 bcm_cfg80211 *cfg, struct wl_scan_params *params, struct cfg80211_scan_request *request) |
| { |
| u32 n_ssids; |
| u32 n_channels; |
| u16 channel; |
| chanspec_t chanspec; |
| s32 i = 0, j = 0, offset; |
| char *ptr; |
| wlc_ssid_t ssid; |
| |
| memcpy(¶ms->bssid, ðer_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(¶ms->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; |
| dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); |
| #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 (!wl_cfgp2p_check_enabled(cfg) || !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(cfg, ¶ms->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)); |
| } else { |
| DBG_EVENT_LOG(dhd, WIFI_EVENT_DRIVER_SCAN_REQUESTED); |
| } |
| 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 (wl_cfgp2p_check_enabled(cfg)) { |
| /* 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 (wl_cfgp2p_check_enabled(cfg)) { |
| 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 (!wl_cfgp2p_check_enabled(cfg) || !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 (wl_cfgp2p_check_enabled(cfg)) { |
| 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(struct net_device *dev, vndr_ie_setbuf_t *ibss_vsie, int ibss_vsie_len) |
| { |
| struct bcm_cfg80211 *cfg = wl_get_cfg(dev); |
| |
| if (cfg != NULL && ibss_vsie != NULL) { |
| if (cfg->ibss_vsie != NULL) { |
| 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 = wl_get_cfg(dev); |
| 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; |
| |
| |