/* * Linux cfg80211 driver * * Copyright (C) 1999-2015, Broadcom Corporation * Copyright (C) 2019-2020, NVIDIA Corporation. All rights reserved. * * Portions contributed by Nvidia * Copyright (C) 2015-2020, NVIDIA Corporation. All rights reserved. * * 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 534534 2015-02-13 11:46:03Z $ */ /* */ #include #include "dynamic.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef PNO_SUPPORT #include #endif /* PNO_SUPPORT */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef WL_NAN #include #endif /* WL_NAN */ #ifdef PROP_TXSTATUS #include #endif #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0)) || defined(WL_VENDOR_EXT_SUPPORT) #include #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 */ #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA #include "dhd_custom_sysfs_tegra.h" #include "dhd_custom_sysfs_tegra_scan.h" #include "dhd_custom_sysfs_tegra_stat.h" #endif #ifdef CONFIG_BCMDHD_CUSTOM_NET_BW_EST_TEGRA #include "dhd_custom_net_bw_est_tegra.h" #endif #define IW_WSEC_ENABLED(wsec) ((wsec) & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED)) static struct device *cfg80211_parent_dev = NULL; /* g_bcm_cfg should be static. Do not change */ static struct bcm_cfg80211 *g_bcm_cfg = NULL; u32 wl_dbg_level = WL_DBG_ERR; extern int op_mode; #ifdef WLAIBSS_MCHAN #define IBSS_IF_NAME "ibss%d" #endif /* WLAIBSS_MCHAN */ #ifdef VSDB /* sleep time to keep STA's connecting or connection for continuous af tx or finding a peer */ #define DEFAULT_SLEEP_TIME_VSDB 120 #define OFF_CHAN_TIME_THRESHOLD_MS 200 #define AF_RETRY_DELAY_TIME 40 /* if sta is connected or connecting, sleep for a while before retry af tx or finding a peer */ #define WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(cfg) \ do { \ if (wl_get_drv_status(cfg, CONNECTED, bcmcfg_to_prmry_ndev(cfg)) || \ wl_get_drv_status(cfg, CONNECTING, bcmcfg_to_prmry_ndev(cfg))) { \ OSL_SLEEP(DEFAULT_SLEEP_TIME_VSDB); \ } \ } while (0) #else /* VSDB */ /* if not VSDB, do nothing */ #define WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(cfg) #endif /* VSDB */ #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 COEX_DHCP #define WLAN_EID_SSID 0 #define CH_MIN_5G_CHANNEL 34 #define CH_MIN_2G_CHANNEL 1 enum rmc_event_type { RMC_EVENT_NONE, RMC_EVENT_LEADER_CHECK_FAIL }; /* 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[] = { { #ifndef CONFIG_BCMDHD_DISABLE_MCC .num_different_channels = 2, #else .num_different_channels = 1, #endif .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) */ #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 6, 0)) #define IEEE80211_BAND_2GHZ NL80211_BAND_2GHZ #define IEEE80211_BAND_5GHZ NL80211_BAND_5GHZ #define IEEE80211_BAND_60GHZ NL80211_BAND_60GHZ #define IEEE80211_NUM_BANDS NUM_NL80211_BANDS #endif /* 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 #ifdef MFP #define WL_AKM_SUITE_MFP_1X 0x000FAC05 #define WL_AKM_SUITE_MFP_PSK 0x000FAC06 #define WL_MFP_CAPABLE 0x1 #define WL_MFP_REQUIRED 0x2 #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 */ #define LONG_LISTEN_TIME 2000 /* * 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); #ifdef WLAIBSS_MCHAN static bcm_struct_cfgdev* bcm_cfg80211_add_ibss_if(struct wiphy *wiphy, char *name); static s32 bcm_cfg80211_del_ibss_if(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev); #endif /* WLAIBSS_MCHAN */ static s32 wl_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ibss_params *params); static s32 wl_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) static s32 wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_info *sinfo); #else static s32 wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, u8 *mac, struct station_info *sinfo); #endif 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); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) static s32 wl_cfg80211_del_station( struct wiphy *wiphy, struct net_device *ndev, struct station_del_parameters *params); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) static s32 wl_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, const u8* mac_addr); #else static s32 wl_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, u8* mac_addr); #endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) static s32 wl_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_parameters *params); #else static s32 wl_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, u8 *mac, struct station_parameters *params); #endif #endif /* 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); #ifdef P2PONEINT void wl_cfg80211_scan_abort(struct bcm_cfg80211 *cfg); #else static void wl_cfg80211_scan_abort(struct bcm_cfg80211 *cfg); #endif void wl_cfg80211_cancel_scan(struct bcm_cfg80211 *cfg); static s32 wl_notify_escan_complete(struct bcm_cfg80211 *cfg, struct net_device *ndev, bool aborted, bool fw_abort); #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) #if (defined(CONFIG_ARCH_MSM) && defined(TDLS_MGMT_VERSION2)) || (LINUX_VERSION_CODE < \ KERNEL_VERSION(3, 16, 0) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)) static s32 wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, u32 peer_capability, const u8 *data, size_t len); #elif ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) && \ (LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0))) static s32 wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, u32 peer_capability, const u8 *data, size_t len); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) static s32 wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, u32 peer_capability, bool initiator, const u8 *data, size_t len); #else static s32 wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, const u8 *data, size_t len); #endif /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) static s32 wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, enum nl80211_tdls_operation oper); #else static s32 wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, u8 *peer, enum nl80211_tdls_operation oper); #endif #endif #ifdef WL_SCHED_SCAN #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 11, 0)) static int wl_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, u64 reqid); #else static int wl_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev); #endif #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) */ chanspec_t wl_chspec_driver_to_host(chanspec_t chanspec); /* * 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 */ 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, const void *data, s32 item); static void *wl_read_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 item); static void wl_init_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev); /* * cfg80211 connect utilites */ static s32 wl_set_wpa_version(struct net_device *dev, struct cfg80211_connect_params *sme); static s32 wl_set_auth_type(struct net_device *dev, struct cfg80211_connect_params *sme); static s32 wl_set_set_cipher(struct net_device *dev, struct cfg80211_connect_params *sme); static s32 wl_set_key_mgmt(struct net_device *dev, struct cfg80211_connect_params *sme); static s32 wl_set_set_sharedkey(struct net_device *dev, struct cfg80211_connect_params *sme); static s32 wl_get_assoc_ies(struct bcm_cfg80211 *cfg, struct net_device *ndev); static void wl_ch_to_chanspec(int ch, struct wl_join_params *join_params, size_t *join_params_size); /* * information element utilities */ static void wl_rst_ie(struct bcm_cfg80211 *cfg); static __used s32 wl_add_ie(struct bcm_cfg80211 *cfg, u8 t, u8 l, u8 *v); static void wl_update_hidden_ap_ie(struct wl_bss_info *bi, u8 *ie_stream, u32 *ie_size, bool roam); static s32 wl_mrg_ie(struct bcm_cfg80211 *cfg, u8 *ie_stream, u16 ie_size); static s32 wl_cp_ie(struct bcm_cfg80211 *cfg, u8 *dst, u16 dst_size); static u32 wl_get_ielen(struct bcm_cfg80211 *cfg); #ifdef MFP static int wl_cfg80211_get_rsn_capa(bcm_tlv_t *wpa2ie, u8* capa); #endif #ifdef WL11U bcm_tlv_t * wl_cfg80211_find_interworking_ie(u8 *parse, u32 len); static s32 wl_cfg80211_add_iw_ie(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 bssidx, s32 pktflag, uint8 ie_id, uint8 *data, uint8 data_len); #endif /* WL11U */ static s32 wl_setup_wiphy(struct wireless_dev *wdev, struct device *dev, void *data); static void wl_free_wdev(struct bcm_cfg80211 *cfg); #ifdef CONFIG_CFG80211_INTERNAL_REGDB static int wl_cfg80211_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request); #endif /* CONFIG_CFG80211_INTERNAL_REGDB */ static s32 wl_inform_bss(struct bcm_cfg80211 *cfg); static s32 wl_inform_single_bss(struct bcm_cfg80211 *cfg, struct wl_bss_info *bi, bool roam); static s32 wl_update_bss_info(struct bcm_cfg80211 *cfg, struct net_device *ndev, bool roam); #ifdef P2PONEINT chanspec_t wl_cfg80211_get_shared_freq(struct wiphy *wiphy); #else static chanspec_t wl_cfg80211_get_shared_freq(struct wiphy *wiphy); #endif 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 */ /* * 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); static int wl_cfg80211_delayed_roam(struct bcm_cfg80211 *cfg, struct net_device *ndev, const struct ether_addr *bssid); static int bw2cap[] = { 0, 0, WLC_BW_CAP_20MHZ, WLC_BW_CAP_40MHZ, WLC_BW_CAP_80MHZ, WLC_BW_CAP_160MHZ, WLC_BW_CAP_160MHZ }; #if (KERNEL_VERSION(4, 2, 0) <= LINUX_VERSION_CODE) || \ defined(CFG80211_DISCONNECTED_V2) #define CFG80211_DISCONNECTED(dev, reason, ie, len, loc_gen, gfp) \ cfg80211_disconnected(dev, reason, ie, len, loc_gen, gfp); #elif (KERNEL_VERSION(4, 2, 0) > LINUX_VERSION_CODE) #define CFG80211_DISCONNECTED(dev, reason, ie, len, loc_gen, gfp) \ cfg80211_disconnected(dev, reason, ie, len, gfp); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)) */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)) || \ defined(CFG80211_DISCONNECTED_V2) #define CFG80211_GET_BSS(wiphy, channel, bssid, ssid, ssid_len) \ cfg80211_get_bss(wiphy, channel, bssid, ssid, ssid_len, \ IEEE80211_BSS_TYPE_ESS, IEEE80211_PRIVACY_ANY); #else #define CFG80211_GET_BSS(wiphy, channel, bssid, ssid, ssid_len) \ cfg80211_get_bss(wiphy, channel, bssid, ssid, ssid_len, \ WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)) */ #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 */ extern int passive_channel_skip; static s32 wl_csa_complete_ind(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); #if ((LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0)) && (LINUX_VERSION_CODE <= (3, 7, \ 0))) struct chan_info { int freq; int chan_type; }; #endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)) #define CFG80211_PUT_BSS(wiphy, bss) cfg80211_put_bss(wiphy, bss); #else #define CFG80211_PUT_BSS(wiphy, bss) cfg80211_put_bss(bss); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */ #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 /* watchdog work for disconnecting when fw is not associated for FW_ASSOC_WATCHDOG_TIME ms */ static struct fw_assoc_timeout_work fw_assoc_timeout; #define FW_ASSOC_WATCHDOG_TIME (5 * 1000) /* msec */ 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 && cfg->pwr_save) { 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 */ chanspec_t wl_chspec_host_to_driver(chanspec_t chanspec) { if (ioctl_version == 1) { chanspec = wl_chspec_to_legacy(chanspec); if (chanspec == INVCHANSPEC) { return chanspec; } } chanspec = htodchanspec(chanspec); return chanspec; } /* given a channel value, do the endian and chanspec version conversion to * a chanspec_t value * Returns INVCHANSPEC on error */ chanspec_t wl_ch_host_to_driver(u16 channel) { chanspec_t chanspec; chanspec = channel & WL_CHANSPEC_CHAN_MASK; if (channel <= CH_MAX_2G_CHANNEL) chanspec |= WL_CHANSPEC_BAND_2G; else chanspec |= WL_CHANSPEC_BAND_5G; chanspec |= WL_CHANSPEC_BW_20; chanspec |= WL_CHANSPEC_CTL_SB_NONE; return wl_chspec_host_to_driver(chanspec); } /* given a chanspec value from the driver, do the endian and chanspec version conversion to * a chanspec_t value * Returns INVCHANSPEC on error */ chanspec_t wl_chspec_driver_to_host(chanspec_t chanspec) { chanspec = dtohchanspec(chanspec); if (ioctl_version == 1) { chanspec = wl_chspec_from_legacy(chanspec); } return chanspec; } /* * convert ASCII string to MAC address (colon-delimited format) * eg: 00:11:22:33:44:55 */ int wl_cfg80211_ether_atoe(const char *a, struct ether_addr *n) { char *c = NULL; int count = 0; memset(n, 0, ETHER_ADDR_LEN); for (;;) { n->octet[count++] = (uint8)simple_strtoul(a, &c, 16); if (!*c++ || count == ETHER_ADDR_LEN) break; a = c; } return (count == ETHER_ADDR_LEN); } /* convert hex string buffer to binary */ int wl_cfg80211_hex_str_to_bin(unsigned char *data, int dlen, char *str) { int count, slen; int hvalue; char tmp[3] = {0}; char *ptr = str, *endp = NULL; if (!data || !str || !dlen) { WL_DBG((" passed buffer is empty \n")); return 0; } slen = strlen(str); if (dlen * 2 < slen) { WL_DBG((" destination buffer too short \n")); return 0; } if (slen % 2) { WL_DBG((" source buffer is of odd length \n")); return 0; } for (count = 0; count < slen; count += 2) { memcpy(tmp, ptr, 2); hvalue = simple_strtol(tmp, &endp, 16); if (*endp != '\0') { WL_DBG((" non hexadecimal character encountered \n")); return 0; } *data++ = (unsigned char)hvalue; ptr += 2; } return (slen / 2); } /* There isn't a lot of sense in it, but you can transmit anything you like */ static const struct ieee80211_txrx_stypes wl_cfg80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = { [NL80211_IFTYPE_ADHOC] = { .tx = 0xffff, .rx = BIT(IEEE80211_STYPE_ACTION >> 4) }, [NL80211_IFTYPE_STATION] = { .tx = 0xffff, .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) }, [NL80211_IFTYPE_AP] = { .tx = 0xffff, .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | BIT(IEEE80211_STYPE_DISASSOC >> 4) | BIT(IEEE80211_STYPE_AUTH >> 4) | BIT(IEEE80211_STYPE_DEAUTH >> 4) | BIT(IEEE80211_STYPE_ACTION >> 4) }, [NL80211_IFTYPE_AP_VLAN] = { /* copy AP */ .tx = 0xffff, .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | BIT(IEEE80211_STYPE_DISASSOC >> 4) | BIT(IEEE80211_STYPE_AUTH >> 4) | BIT(IEEE80211_STYPE_DEAUTH >> 4) | BIT(IEEE80211_STYPE_ACTION >> 4) }, [NL80211_IFTYPE_P2P_CLIENT] = { .tx = 0xffff, .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) }, [NL80211_IFTYPE_P2P_GO] = { .tx = 0xffff, .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | BIT(IEEE80211_STYPE_DISASSOC >> 4) | BIT(IEEE80211_STYPE_AUTH >> 4) | BIT(IEEE80211_STYPE_DEAUTH >> 4) | BIT(IEEE80211_STYPE_ACTION >> 4) }, #if defined(WL_CFG80211_P2P_DEV_IF) [NL80211_IFTYPE_P2P_DEVICE] = { .tx = 0xffff, .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | BIT(IEEE80211_STYPE_PROBE_REQ >> 4) }, #endif /* WL_CFG80211_P2P_DEV_IF */ }; static void swap_key_from_BE(struct wl_wsec_key *key) { key->index = htod32(key->index); key->len = htod32(key->len); key->algo = htod32(key->algo); key->flags = htod32(key->flags); key->rxiv.hi = htod32(key->rxiv.hi); key->rxiv.lo = htod16(key->rxiv.lo); key->iv_initialized = htod32(key->iv_initialized); } static void swap_key_to_BE(struct wl_wsec_key *key) { key->index = dtoh32(key->index); key->len = dtoh32(key->len); key->algo = dtoh32(key->algo); key->flags = dtoh32(key->flags); key->rxiv.hi = dtoh32(key->rxiv.hi); key->rxiv.lo = dtoh16(key->rxiv.lo); key->iv_initialized = dtoh32(key->iv_initialized); } /* Dump the contents of the encoded wps ie buffer and get pbc value */ static void wl_validate_wps_ie(char *wps_ie, s32 wps_ie_len, bool *pbc) { #define WPS_IE_FIXED_LEN 6 u16 len; u8 *subel = NULL; u16 subelt_id; u16 subelt_len; u16 val; u8 *valptr = (uint8*) &val; if (wps_ie == NULL || wps_ie_len < WPS_IE_FIXED_LEN) { WL_ERR(("invalid argument : NULL\n")); return; } len = (u16)wps_ie[TLV_LEN_OFF]; if (len > wps_ie_len) { WL_ERR(("invalid length len %d, wps ie len %d\n", len, wps_ie_len)); return; } WL_DBG(("wps_ie len=%d\n", len)); len -= 4; /* for the WPS IE's OUI, oui_type fields */ subel = wps_ie + WPS_IE_FIXED_LEN; while (len >= 4) { /* must have attr id, attr len fields */ valptr[0] = *subel++; valptr[1] = *subel++; subelt_id = HTON16(val); valptr[0] = *subel++; valptr[1] = *subel++; subelt_len = HTON16(val); len -= 4; /* for the attr id, attr len fields */ len -= subelt_len; /* for the remaining fields in this attribute */ WL_DBG((" subel=%p, subelt_id=0x%x subelt_len=%u\n", subel, subelt_id, subelt_len)); if (subelt_id == WPS_ID_VERSION) { WL_DBG((" attr WPS_ID_VERSION: %u\n", *subel)); } else if (subelt_id == WPS_ID_REQ_TYPE) { WL_DBG((" attr WPS_ID_REQ_TYPE: %u\n", *subel)); } else if (subelt_id == WPS_ID_CONFIG_METHODS) { valptr[0] = *subel; valptr[1] = *(subel + 1); WL_DBG((" attr WPS_ID_CONFIG_METHODS: %x\n", HTON16(val))); } else if (subelt_id == WPS_ID_DEVICE_NAME) { char devname[100]; size_t namelen = MIN(subelt_len, sizeof(devname)-1); memcpy(devname, subel, namelen); devname[namelen] = '\0'; WL_DBG((" attr WPS_ID_DEVICE_NAME: %s (len %u)\n", devname, subelt_len)); } else if (subelt_id == WPS_ID_DEVICE_PWD_ID) { valptr[0] = *subel; valptr[1] = *(subel + 1); WL_DBG((" attr WPS_ID_DEVICE_PWD_ID: %u\n", HTON16(val))); *pbc = (HTON16(val) == DEV_PW_PUSHBUTTON) ? true : false; } else if (subelt_id == WPS_ID_PRIM_DEV_TYPE) { valptr[0] = *subel; valptr[1] = *(subel + 1); WL_DBG((" attr WPS_ID_PRIM_DEV_TYPE: cat=%u \n", HTON16(val))); valptr[0] = *(subel + 6); valptr[1] = *(subel + 7); WL_DBG((" attr WPS_ID_PRIM_DEV_TYPE: subcat=%u\n", HTON16(val))); } else if (subelt_id == WPS_ID_REQ_DEV_TYPE) { valptr[0] = *subel; valptr[1] = *(subel + 1); WL_DBG((" attr WPS_ID_REQ_DEV_TYPE: cat=%u\n", HTON16(val))); valptr[0] = *(subel + 6); valptr[1] = *(subel + 7); WL_DBG((" attr WPS_ID_REQ_DEV_TYPE: subcat=%u\n", HTON16(val))); } else if (subelt_id == WPS_ID_SELECTED_REGISTRAR_CONFIG_METHODS) { valptr[0] = *subel; valptr[1] = *(subel + 1); WL_DBG((" attr WPS_ID_SELECTED_REGISTRAR_CONFIG_METHODS" ": cat=%u\n", HTON16(val))); } else { WL_DBG((" unknown attr 0x%x\n", subelt_id)); } subel += subelt_len; } } s32 wl_set_tx_power(struct net_device *dev, enum nl80211_tx_power_setting type, s32 dbm) { s32 err = 0; s32 disable = 0; s32 txpwrqdbm; struct bcm_cfg80211 *cfg = g_bcm_cfg; /* Make sure radio is off or on as far as software is concerned */ disable = WL_RADIO_SW_DISABLE << 16; disable = htod32(disable); err = wldev_ioctl(dev, WLC_SET_RADIO, &disable, sizeof(disable), true); if (unlikely(err)) { WL_ERR(("WLC_SET_RADIO error (%d)\n", err)); return err; } if (dbm > 0xffff) dbm = 0xffff; txpwrqdbm = dbm * 4; err = wldev_iovar_setbuf_bsscfg(dev, "qtxpower", (void *)&txpwrqdbm, sizeof(txpwrqdbm), cfg->ioctl_buf, WLC_IOCTL_SMLEN, 0, &cfg->ioctl_buf_sync); if (unlikely(err)) WL_ERR(("qtxpower error (%d)\n", err)); else WL_ERR(("dBm=%d, txpwrqdbm=0x%x\n", dbm, txpwrqdbm)); return err; } s32 wl_get_tx_power(struct net_device *dev, s32 *dbm) { s32 err = 0; s32 txpwrdbm; struct bcm_cfg80211 *cfg = g_bcm_cfg; err = wldev_iovar_getbuf_bsscfg(dev, "qtxpower", NULL, 0, cfg->ioctl_buf, WLC_IOCTL_SMLEN, 0, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("error (%d)\n", err)); return err; } memcpy(&txpwrdbm, cfg->ioctl_buf, sizeof(txpwrdbm)); txpwrdbm = dtoh32(txpwrdbm); *dbm = (txpwrdbm & ~WL_TXPWR_OVERRIDE) / 4; WL_INFORM(("dBm=%d, txpwrdbm=0x%x\n", *dbm, txpwrdbm)); return err; } #ifdef P2PONEINT chanspec_t wl_cfg80211_get_shared_freq(struct wiphy *wiphy) #else static chanspec_t wl_cfg80211_get_shared_freq(struct wiphy *wiphy) #endif { chanspec_t chspec; int cur_band, err = 0; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *dev = bcmcfg_to_prmry_ndev(cfg); struct ether_addr bssid; struct wl_bss_info *bss = NULL; char *buf; memset(&bssid, 0, sizeof(bssid)); 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")); err = wldev_ioctl(dev, WLC_GET_BAND, &cur_band, sizeof(int), false); if (unlikely(err)) { WL_ERR(("Get band failed\n")); return wl_ch_host_to_driver(WL_P2P_TEMP_CHAN); } if (cur_band == WLC_BAND_5G) return wl_ch_host_to_driver(WL_P2P_TEMP_CHAN_5G); else return wl_ch_host_to_driver(WL_P2P_TEMP_CHAN); } buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); if (!buf) { WL_ERR(("buf alloc failed. use temp channel\n")); return wl_ch_host_to_driver(WL_P2P_TEMP_CHAN); } *(u32 *)buf = htod32(WL_EXTRA_BUF_MAX); err = wldev_ioctl(dev, WLC_GET_BSS_INFO, buf, WL_EXTRA_BUF_MAX, false); if (err) { WL_ERR(("Failed to get bss info, use temp channel\n")); chspec = wl_ch_host_to_driver(WL_P2P_TEMP_CHAN); } else { bss = (struct wl_bss_info *)(buf + 4); chspec = bss->chanspec; WL_DBG(("Valid BSS Found. chanspec:%d \n", chspec)); } kfree(buf); 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 */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)) unsigned char name_assign_type, #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)) */ enum nl80211_iftype type, #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 11, 0)) u32 *flags, #endif 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 defined(SUPPORT_AP_POWERSAVE) dhd_pub_t *dhd; #endif if (!cfg) return ERR_PTR(-EINVAL); #ifdef PROP_TXSTATUS_VSDB if (bcmdhd_prop_txstatus_vsdb) { #if defined(BCMSDIO) dhd = (dhd_pub_t *)(cfg->pub); #endif } #endif /* PROP_TXSTATUS_VSDB */ #if defined(SUPPORT_AP_POWERSAVE) dhd = (dhd_pub_t *)(cfg->pub); #endif /* Use primary I/F for sending cmds down to firmware */ primary_ndev = bcmcfg_to_prmry_ndev(cfg); if (unlikely(!wl_get_drv_status(cfg, READY, primary_ndev))) { WL_ERR(("device is not ready\n")); return ERR_PTR(-ENODEV); } if (wl_get_drv_status(cfg, CONNECTING, primary_ndev)) { WL_ERR(("Already AP connection going on\n")); return ERR_PTR(-EBUSY); } WL_DBG(("if name: %s, type: %d\n", name, type)); switch (type) { case NL80211_IFTYPE_ADHOC: #ifdef WLAIBSS_MCHAN return bcm_cfg80211_add_ibss_if(wiphy, (char *)name); #endif /* WLAIBSS_MCHAN */ 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 #ifdef WLAIBSS_MCHAN if (cfg->ibss_cfgdev) { WL_ERR(("AIBSS is already operational. " " AIBSS & DUALSTA can't be used together \n")); return NULL; } #endif /* WLAIBSS_MCHAN */ if (!name) { WL_ERR(("Interface name not provided \n")); return NULL; } return wl_cfg80211_create_iface(cfg->wdev->wiphy, NL80211_IFTYPE_STATION, NULL, name); #endif /* DUAL_STA */ case NL80211_IFTYPE_P2P_CLIENT: wlif_type = WL_P2P_IF_CLIENT; mode = WL_MODE_BSS; break; case NL80211_IFTYPE_P2P_GO: case NL80211_IFTYPE_AP: wlif_type = WL_P2P_IF_GO; mode = WL_MODE_AP; break; default: WL_ERR(("Unsupported interface type\n")); return NULL; break; } if (!name) { WL_ERR(("name is NULL\n")); return NULL; } if (cfg->p2p_supported && (wlif_type != -1)) { ASSERT(cfg->p2p); /* ensure expectation of p2p initialization */ #ifdef PROP_TXSTATUS_VSDB if (bcmdhd_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 (bcmdhd_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); DHD_NV_INFO((" virtual interface(%s) is " "created net attach done\n", cfg->p2p->vir_ifname)); #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA TEGRA_SYSFS_HISTOGRAM_STAT_INC(ago_start); #endif if (mode == WL_MODE_AP) wl_set_drv_status(cfg, CONNECTED, new_ndev); #ifdef SUPPORT_AP_POWERSAVE if (mode == WL_MODE_AP) { dhd_set_ap_powersave(dhd, 0, TRUE); } #endif 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)); WL_ERR(("left timeout : %d\n", timeout)); WL_ERR(("IF_ADDING status : %d\n", wl_get_p2p_status(cfg, IF_ADDING))); WL_ERR(("event valid : %d\n", cfg->if_event_info.valid)); wl_clr_p2p_status(cfg, GO_NEG_PHASE); wl_set_p2p_status(cfg, IF_DELETING); err = wl_cfgp2p_ifdel(cfg, &cfg->p2p->int_addr); if (err == BCME_OK) { 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_ERR(("IFDEL operation done\n")); } else { WL_ERR(("IFDEL didn't complete properly\n")); err = BCME_ERROR; } } if (err != BCME_OK) { struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); WL_ERR(("p2p_ifdel failed, error %d, sent HANG event to %s\n", err, ndev->name)); net_os_send_hang_message(ndev); } memset(cfg->p2p->vir_ifname, '\0', IFNAMSIZ); cfg->p2p->vif_created = false; #ifdef PROP_TXSTATUS_VSDB if (bcmdhd_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 (!cfg) return -EINVAL; #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); #ifdef WLAIBSS_MCHAN if (cfgdev == cfg->ibss_cfgdev) return bcm_cfg80211_del_ibss_if(wiphy, cfgdev); #endif /* WLAIBSS_MCHAN */ #ifdef DUAL_STA if (cfgdev == cfg->bss_cfgdev) return wl_cfg80211_del_iface(wiphy, cfgdev); #endif /* DUAL_STA */ if (wl_cfgp2p_find_idx(cfg, dev, &index) != BCME_OK) { WL_ERR(("Find p2p index from ndev(%p) failed\n", dev)); return BCME_ERROR; } if (cfg->p2p_supported) { memcpy(p2p_mac.octet, cfg->p2p->int_addr.octet, ETHER_ADDR_LEN); /* Clear GO_NEG_PHASE bit to take care of GO-NEG-FAIL cases */ WL_DBG(("P2P: GO_NEG_PHASE status cleared ")); wl_clr_p2p_status(cfg, GO_NEG_PHASE); if (cfg->p2p->vif_created) { if (wl_get_drv_status(cfg, SCANNING, dev)) { wl_notify_escan_complete(cfg, dev, true, true); } wldev_iovar_setint(dev, "mpc", 1); /* Delete pm_enable_work */ wl_add_remove_pm_enable_work(cfg, FALSE, WL_HANDLER_DEL); /* for GC */ if (wl_get_drv_status(cfg, DISCONNECTING, dev) && (wl_get_mode_by_netdev(cfg, dev) != WL_MODE_AP)) { WL_ERR(("Wait for Link Down event for GC !\n")); wait_for_completion_timeout (&cfg->iface_disable, msecs_to_jiffies(500)); } memset(&cfg->if_event_info, 0, sizeof(cfg->if_event_info)); wl_set_p2p_status(cfg, IF_DELETING); DNGL_FUNC(dhd_cfg80211_clean_p2p_info, (cfg)); /* for GO */ if (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP) { wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, false); /* disable interface before bsscfg free */ ret = wl_cfgp2p_ifdisable(cfg, &p2p_mac); /* if fw doesn't support "ifdis", do not wait for link down of ap mode */ if (ret == 0) { WL_ERR(("Wait for Link Down event for GO !!!\n")); wait_for_completion_timeout(&cfg->iface_disable, msecs_to_jiffies(500)); } else if (ret != BCME_UNSUPPORTED) { msleep(300); } } wl_cfgp2p_clear_management_ie(cfg, index); if (wl_get_mode_by_netdev(cfg, dev) != WL_MODE_AP) wldev_iovar_setint(dev, "buf_key_b4_m4", 0); /* delete interface after link down */ ret = wl_cfgp2p_ifdel(cfg, &p2p_mac); if (ret != BCME_OK) { struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); WL_ERR(("p2p_ifdel failed, error %d, sent HANG event to %s\n", ret, ndev->name)); #if defined(BCMDONGLEHOST) && defined(OEM_ANDROID) net_os_send_hang_message(ndev); #endif } else { /* Wait for IF_DEL operation to be finished */ timeout = wait_event_interruptible_timeout(cfg->netif_change_event, (wl_get_p2p_status(cfg, IF_DELETING) == false), msecs_to_jiffies(MAX_WAIT_TIME)); if (timeout > 0 && !wl_get_p2p_status(cfg, IF_DELETING) && cfg->if_event_info.valid) { WL_DBG(("IFDEL operation done\n")); wl_cfg80211_handle_ifdel(cfg, &cfg->if_event_info, dev); } else { WL_ERR(("IFDEL didn't complete properly\n")); } } ret = dhd_del_monitor(dev); if (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP) { DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_CANCEL((dhd_pub_t *)(cfg->pub)); } } } return ret; } static s32 wl_cfg80211_change_virtual_iface(struct wiphy *wiphy, struct net_device *ndev, enum nl80211_iftype type, #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 11, 0)) u32 *flags, #endif 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)); if (!cfg) return -EINVAL; switch (type) { case NL80211_IFTYPE_MONITOR: case NL80211_IFTYPE_WDS: case NL80211_IFTYPE_MESH_POINT: ap = 1; WL_ERR(("type (%d) : currently we do not support this type\n", type)); break; case NL80211_IFTYPE_ADHOC: mode = WL_MODE_IBSS; ibss = 1; break; case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_P2P_CLIENT: mode = WL_MODE_BSS; infra = 1; break; case NL80211_IFTYPE_AP: case NL80211_IFTYPE_AP_VLAN: case NL80211_IFTYPE_P2P_GO: mode = WL_MODE_AP; ap = 1; break; default: return -EINVAL; } if (!dhd) return -EINVAL; if (ap) { wl_set_mode_by_netdev(cfg, ndev, mode); if (cfg->p2p_supported && cfg->p2p->vif_created) { WL_DBG(("p2p_vif_created (%d) p2p_on (%d)\n", cfg->p2p->vif_created, p2p_on(cfg))); wldev_iovar_setint(ndev, "mpc", 0); wl_notify_escan_complete(cfg, ndev, true, true); /* In concurrency case, STA may be already associated in a particular * channel. so retrieve the current channel of primary interface and * then start the virtual interface on that. */ chspec = wl_cfg80211_get_shared_freq(wiphy); wlif_type = WL_P2P_IF_GO; WL_ERR(("%s : ap (%d), infra (%d), iftype: (%d)\n", ndev->name, ap, infra, type)); wl_set_p2p_status(cfg, IF_CHANGING); wl_clr_p2p_status(cfg, IF_CHANGED); wl_cfgp2p_ifchange(cfg, &cfg->p2p->int_addr, htod32(wlif_type), chspec); wait_event_interruptible_timeout(cfg->netif_change_event, (wl_get_p2p_status(cfg, IF_CHANGED) == true), msecs_to_jiffies(MAX_WAIT_TIME)); wl_set_mode_by_netdev(cfg, ndev, mode); dhd->op_mode &= ~DHD_FLAG_P2P_GC_MODE; dhd->op_mode |= DHD_FLAG_P2P_GO_MODE; wl_clr_p2p_status(cfg, IF_CHANGING); wl_clr_p2p_status(cfg, IF_CHANGED); if (mode == WL_MODE_AP) wl_set_drv_status(cfg, CONNECTED, ndev); #ifdef SUPPORT_AP_POWERSAVE dhd_set_ap_powersave(dhd, 0, TRUE); #endif } 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")); #ifdef SUPPORT_AP_POWERSAVE dhd_set_ap_powersave(dhd, 0, FALSE); #endif #ifdef P2PONEINT wl_set_mode_by_netdev(cfg, ndev, mode); if (cfg->p2p_supported && cfg->p2p->vif_created) { WL_DBG(("p2p_vif_created (%d) p2p_on (%d)\n", cfg->p2p->vif_created, p2p_on(cfg))); wldev_iovar_setint(ndev, "mpc", 0); wl_notify_escan_complete(cfg, ndev, true, true); /* In concurrency case, STA may be already associated in a particular * channel. so retrieve the current channel of primary interface and * then start the virtual interface on that. */ chspec = wl_cfg80211_get_shared_freq(wiphy); wlif_type = WL_P2P_IF_CLIENT; WL_ERR(("%s : ap (%d), infra (%d), iftype: (%d) chspec 0x%x \n", ndev->name, ap, infra, type, chspec)); 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); #define INIT_IE(IE_TYPE, BSS_TYPE) \ do { \ memset(wl_to_p2p_bss_saved_ie(cfg, BSS_TYPE).p2p_ ## IE_TYPE ## _ie, 0, \ sizeof(wl_to_p2p_bss_saved_ie(cfg, BSS_TYPE).p2p_ ## IE_TYPE ## _ie)); \ wl_to_p2p_bss_saved_ie(cfg, BSS_TYPE).p2p_ ## IE_TYPE ## _ie_len = 0; \ } while (0); INIT_IE(probe_req, P2PAPI_BSSCFG_CONNECTION); INIT_IE(probe_res, P2PAPI_BSSCFG_CONNECTION); INIT_IE(assoc_req, P2PAPI_BSSCFG_CONNECTION); INIT_IE(assoc_res, P2PAPI_BSSCFG_CONNECTION); INIT_IE(beacon, P2PAPI_BSSCFG_CONNECTION); } #endif /* P2PONEINT */ } if (ibss) { infra = 0; wl_set_mode_by_netdev(cfg, ndev, mode); err = wldev_ioctl(ndev, WLC_SET_INFRA, &infra, sizeof(s32), true); if (err < 0) { WL_ERR(("SET Adhoc error %d\n", err)); return -EINVAL; } } ndev->ieee80211_ptr->iftype = type; return 0; } s32 wl_cfg80211_notify_ifadd(int ifidx, char *name, uint8 *mac, uint8 bssidx) { bool ifadd_expected = FALSE; struct bcm_cfg80211 *cfg = g_bcm_cfg; /* P2P may send WLC_E_IF_ADD and/or WLC_E_IF_CHANGE during IF updating ("p2p_ifupd") * redirect the IF_ADD event to ifchange as it is not a real "new" interface */ if (wl_get_p2p_status(cfg, IF_CHANGING)) return wl_cfg80211_notify_ifchange(ifidx, name, mac, bssidx); /* Okay, we are expecting IF_ADD (as IF_ADDING is true) */ if (wl_get_p2p_status(cfg, IF_ADDING)) { ifadd_expected = TRUE; wl_clr_p2p_status(cfg, IF_ADDING); } else if (cfg->bss_pending_op) { ifadd_expected = TRUE; cfg->bss_pending_op = FALSE; } if (ifadd_expected) { wl_if_event_info *if_event_info = &cfg->if_event_info; if_event_info->valid = TRUE; if_event_info->ifidx = ifidx; if_event_info->bssidx = bssidx; strncpy(if_event_info->name, name, IFNAMSIZ); if_event_info->name[IFNAMSIZ] = '\0'; if (mac) memcpy(if_event_info->mac, mac, ETHER_ADDR_LEN); wake_up_interruptible(&cfg->netif_change_event); return BCME_OK; } return BCME_ERROR; } s32 wl_cfg80211_notify_ifdel(int ifidx, char *name, uint8 *mac, uint8 bssidx) { bool ifdel_expected = FALSE; struct bcm_cfg80211 *cfg = g_bcm_cfg; wl_if_event_info *if_event_info = &cfg->if_event_info; dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); if (wl_get_p2p_status(cfg, IF_DELETING)) { if_event_info->valid = TRUE; ifdel_expected = TRUE; dhd_p2p_ifdel(dhd,ifidx); wl_clr_p2p_status(cfg, IF_DELETING); } else if (cfg->bss_pending_op) { ifdel_expected = TRUE; cfg->bss_pending_op = FALSE; if_event_info->valid = TRUE; } if (ifdel_expected) { if_event_info->ifidx = ifidx; if_event_info->bssidx = bssidx; wake_up_interruptible(&cfg->netif_change_event); return BCME_OK; } return BCME_ERROR; } s32 wl_cfg80211_notify_ifchange(int ifidx, char *name, uint8 *mac, uint8 bssidx) { struct bcm_cfg80211 *cfg = g_bcm_cfg; if (wl_get_p2p_status(cfg, IF_CHANGING)) { wl_set_p2p_status(cfg, IF_CHANGED); wake_up_interruptible(&cfg->netif_change_event); return BCME_OK; } return BCME_ERROR; } static s32 wl_cfg80211_handle_ifdel(struct bcm_cfg80211 *cfg, wl_if_event_info *if_event_info, struct net_device* ndev) { s32 type = -1; s32 bssidx = -1; #ifdef PROP_TXSTATUS_VSDB #if defined(BCMSDIO) dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); bool enabled; #endif #endif /* PROP_TXSTATUS_VSDB */ bssidx = if_event_info->bssidx; if (bssidx != wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_CONNECTION)) { WL_ERR(("got IF_DEL for if %d, not owned by cfg driver\n", bssidx)); return BCME_ERROR; } if (p2p_is_on(cfg) && cfg->p2p->vif_created) { if (cfg->scan_request && (cfg->escan_info.ndev == ndev)) { /* Abort any pending scan requests */ cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; WL_DBG(("ESCAN COMPLETED\n")); wl_notify_escan_complete(cfg, cfg->escan_info.ndev, true, false); } memset(cfg->p2p->vir_ifname, '\0', IFNAMSIZ); if (wl_cfgp2p_find_type(cfg, bssidx, &type) != BCME_OK) { WL_ERR(("Find p2p type from bssidx(%d) failed\n", bssidx)); return BCME_ERROR; } wl_clr_drv_status(cfg, CONNECTED, wl_to_p2p_bss_ndev(cfg, type)); wl_to_p2p_bss_ndev(cfg, type) = NULL; wl_to_p2p_bss_bssidx(cfg, type) = WL_INVALID; cfg->p2p->vif_created = false; #ifdef PROP_TXSTATUS_VSDB if (bcmdhd_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_p2p_if(cfg, if_event_info->ifidx, ndev); return BCME_OK; } /* Find listen channel */ static s32 wl_find_listen_channel(struct bcm_cfg80211 *cfg, const u8 *ie, u32 ie_len) { wifi_p2p_ie_t *p2p_ie; u8 *end, *pos; s32 listen_channel; pos = (u8 *)ie; p2p_ie = wl_cfgp2p_find_p2pie(pos, ie_len); if (p2p_ie == NULL) return 0; pos = p2p_ie->subelts; end = p2p_ie->subelts + (p2p_ie->len - 4); CFGP2P_DBG((" found p2p ie ! lenth %d \n", p2p_ie->len)); while (pos < end) { uint16 attr_len; if (pos + 2 >= end) { CFGP2P_DBG((" -- Invalid P2P attribute")); return 0; } attr_len = ((uint16) (((pos + 1)[1] << 8) | (pos + 1)[0])); if (pos + 3 + attr_len > end) { CFGP2P_DBG(("P2P: Attribute underflow " "(len=%u left=%d)", attr_len, (int) (end - pos - 3))); return 0; } /* if Listen Channel att id is 6 and the vailue is valid, * return the listen channel */ if (pos[0] == 6) { /* listen channel subel length format * 1(id) + 2(len) + 3(country) + 1(op. class) + 1(chan num) */ listen_channel = pos[1 + 2 + 3 + 1]; if (listen_channel == SOCIAL_CHAN_1 || listen_channel == SOCIAL_CHAN_2 || listen_channel == SOCIAL_CHAN_3) { CFGP2P_DBG((" Found my Listen Channel %d \n", listen_channel)); return listen_channel; } } pos += 3 + attr_len; } return 0; } static void wl_scan_prep(struct wl_scan_params *params, struct cfg80211_scan_request *request) { u32 n_ssids; u32 n_channels; u16 channel; chanspec_t chanspec; s32 i = 0, j = 0, offset; char *ptr; wlc_ssid_t ssid; struct bcm_cfg80211 *cfg = g_bcm_cfg; memcpy(¶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)); #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA TEGRA_SCAN_PREPARE(params, request) #endif 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 = MIN((int)request->ssids[i].ssid_len, DOT11_MAX_SSID_LEN); memcpy(ssid.SSID, request->ssids[i].ssid, ssid.SSID_len); if (!ssid.SSID_len) WL_SCAN(("%d: Broadcast scan\n", i)); else WL_SCAN(("%d: scan for %s size =%d\n", i, ssid.SSID, ssid.SSID_len)); memcpy(ptr, &ssid, sizeof(wlc_ssid_t)); ptr += sizeof(wlc_ssid_t); } } else { WL_SCAN(("Broadcast scan\n")); } /* Adding mask to channel numbers */ params->channel_num = htod32((n_ssids << WL_SCAN_PARAMS_NSSID_SHIFT) | (n_channels & WL_SCAN_PARAMS_COUNT_MASK)); #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA /* skip original code for single channel scan parameter override if * processing scan request from one of the scan work(s) * - the scan request in the scan work(s) has specific scan parameters * which should not be overridden */ TEGRA_SCAN_WORK_ACTIVE_CHECK(request, goto skip_single_channel_scan_parameter_override) #endif 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); } #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA skip_single_channel_scan_parameter_override: ; #endif } 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; u32 n_valid_chan; s32 search_state = WL_P2P_DISC_ST_SCAN; u32 i, j, n_nodfs = 0; u16 *default_chan_list = NULL; wl_uint32_list_t *list; struct net_device *dev = NULL; #if defined(USE_INITIAL_2G_SCAN) || defined(USE_INITIAL_SHORT_DWELL_TIME) bool is_first_init_2g_scan = false; #endif /* USE_INITIAL_2G_SCAN || USE_INITIAL_SHORT_DWELL_TIME */ p2p_scan_purpose_t p2p_scan_purpose = P2P_SCAN_PURPOSE_MIN; WL_DBG(("Enter \n")); /* scan request can come with empty request : perform all default scan */ if (!cfg) { err = -EINVAL; goto exit; } if (!cfg->p2p_supported || !p2p_scan(cfg)) { /* LEGACY SCAN TRIGGER */ WL_SCAN((" LEGACY E-SCAN START\n")); #if defined(USE_INITIAL_2G_SCAN) || defined(USE_INITIAL_SHORT_DWELL_TIME) if (!request) { err = -EINVAL; goto exit; } if (ndev == bcmcfg_to_prmry_ndev(cfg) && g_first_broadcast_scan == true) { #ifdef USE_INITIAL_2G_SCAN struct ieee80211_channel tmp_channel_list[CH_MAX_2G_CHANNEL]; /* allow one 5G channel to add previous connected channel in 5G */ bool allow_one_5g_channel = TRUE; j = 0; for (i = 0; i < request->n_channels; i++) { int tmp_chan = ieee80211_frequency_to_channel (request->channels[i]->center_freq); if (tmp_chan > CH_MAX_2G_CHANNEL) { if (allow_one_5g_channel) allow_one_5g_channel = FALSE; else continue; } if (j > CH_MAX_2G_CHANNEL) { WL_ERR(("Index %d exceeds max 2.4GHz channels %d" " and previous 5G connected channel\n", j, CH_MAX_2G_CHANNEL)); break; } bcopy(request->channels[i], &tmp_channel_list[j], sizeof(struct ieee80211_channel)); WL_SCAN(("channel of request->channels[%d]=%d\n", i, tmp_chan)); j++; } if ((j > 0) && (j <= CH_MAX_2G_CHANNEL)) { for (i = 0; i < j; i++) bcopy(&tmp_channel_list[i], request->channels[i], sizeof(struct ieee80211_channel)); request->n_channels = j; is_first_init_2g_scan = true; } else WL_ERR(("Invalid number of 2.4GHz channels %d\n", j)); WL_SCAN(("request->n_channels=%d\n", request->n_channels)); #else /* USE_INITIAL_SHORT_DWELL_TIME */ is_first_init_2g_scan = true; #endif /* USE_INITIAL_2G_SCAN */ g_first_broadcast_scan = false; } #endif /* USE_INITIAL_2G_SCAN || USE_INITIAL_SHORT_DWELL_TIME */ /* if scan request is not empty parse scan request paramters */ if (request != NULL) { n_channels = request->n_channels; n_ssids = request->n_ssids; if (n_channels % 2) /* If n_channels is odd, add a padd of u16 */ params_size += sizeof(u16) * (n_channels + 1); else params_size += sizeof(u16) * n_channels; /* Allocate space for populating ssids in wl_escan_params_t struct */ params_size += sizeof(struct wlc_ssid) * n_ssids; } params = (wl_escan_params_t *) kzalloc(params_size, GFP_KERNEL); if (params == NULL) { err = -ENOMEM; goto exit; } wl_scan_prep(¶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)); } 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); if (n_valid_chan > WL_NUMCHANNELS) { WL_ERR(("wrong n_valid_chan:%d\n", n_valid_chan)); kfree(default_chan_list); err = -EINVAL; goto exit; } 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 (n_nodfs >= num_chans) break; if (channel == (dtoh32(list->element[j]))) default_chan_list[n_nodfs++] = channel; } } } if (num_chans == SOCIAL_CHAN_CNT && ( (default_chan_list[0] == SOCIAL_CHAN_1) && (default_chan_list[1] == SOCIAL_CHAN_2) && (default_chan_list[2] == SOCIAL_CHAN_3))) { /* SOCIAL CHANNELS 1, 6, 11 */ search_state = WL_P2P_DISC_ST_SEARCH; p2p_scan_purpose = P2P_SCAN_SOCIAL_CHANNEL; WL_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; s32 passive_scan_time; s32 passive_scan_time_org; 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; } if (passive_channel_skip) { err = wldev_ioctl(ndev, WLC_GET_SCAN_PASSIVE_TIME, &passive_scan_time_org, sizeof(passive_scan_time_org), false); if (unlikely(err)) { WL_ERR(("== error (%d)\n", err)); goto exit; } WL_SCAN(("PASSIVE SCAN time : %d \n", passive_scan_time_org)); passive_scan_time = 0; err = wldev_ioctl(ndev, WLC_SET_SCAN_PASSIVE_TIME, &passive_scan_time, sizeof(passive_scan_time), true); if (unlikely(err)) { WL_ERR(("== error (%d)\n", err)); goto exit; } WL_SCAN(("PASSIVE SCAN SKIPED!! (passive_channel_skip:%d) \n", passive_channel_skip)); } #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA TEGRA_SYSFS_HISTOGRAM_SCAN_REQUEST(ndev, request, sizeof(*request)) #endif err = wl_run_escan(cfg, ndev, request, WL_SCAN_ACTION_START); if (passive_channel_skip) { err = wldev_ioctl(ndev, WLC_SET_SCAN_PASSIVE_TIME, &passive_scan_time_org, sizeof(passive_scan_time_org), true); if (unlikely(err)) { WL_ERR(("== error (%d)\n", err)); goto exit; } WL_SCAN(("PASSIVE SCAN RECOVERED!! (passive_scan_time_org:%d) \n", passive_scan_time_org)); } exit: 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(("<<<<<<<<<<>>>>>>>>>>\n")); } else { WL_ERR(("Scanning already\n")); return -EAGAIN; } } if (wl_get_drv_status(cfg, SCAN_ABORTING, ndev)) { WL_ERR(("Scanning being aborted\n")); return -EAGAIN; } if (request && request->n_ssids > WL_SCAN_PARAMS_SSID_MAX) { WL_ERR(("request null or n_ssids > WL_SCAN_PARAMS_SSID_MAX\n")); return -EOPNOTSUPP; } #ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST remain_on_channel_ndev = wl_cfg80211_get_remain_on_channel_ndev(cfg); if (remain_on_channel_ndev) { WL_DBG(("Remain_on_channel bit is set, somehow it didn't get cleared\n")); wl_notify_escan_complete(cfg, remain_on_channel_ndev, true, true); } #endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ /* Arm scan timeout timer */ mod_timer(&cfg->scan_timeout, jiffies + msecs_to_jiffies(WL_SCAN_TIMER_INTERVAL_MS)); if (request) { /* scan bss */ ssids = request->ssids; p2p_ssid = false; for (i = 0; i < request->n_ssids; i++) { if (ssids[i].ssid_len && IS_P2P_SSID(ssids[i].ssid, ssids[i].ssid_len)) { p2p_ssid = true; break; } } if (p2p_ssid) { if (cfg->p2p_supported) { /* p2p scan trigger */ if (p2p_on(cfg) == false) { /* p2p on at the first time */ p2p_on(cfg) = true; wl_cfgp2p_set_firm_p2p(cfg); get_primary_mac(cfg, &primary_mac); wl_cfgp2p_generate_bss_mac(&primary_mac, &cfg->p2p->dev_addr, &cfg->p2p->int_addr); #if defined(P2P_IE_MISSING_FIX) cfg->p2p_prb_noti = false; #endif } wl_clr_p2p_status(cfg, GO_NEG_PHASE); WL_DBG(("P2P: GO_NEG_PHASE status cleared \n")); p2p_scan(cfg) = true; } } else { /* legacy scan trigger * So, we have to disable p2p discovery if p2p discovery is on */ if (cfg->p2p_supported) { p2p_scan(cfg) = false; /* If Netdevice is not equals to primary and p2p is on * , we will do p2p scan using P2PAPI_BSSCFG_DEVICE. */ if (p2p_scan(cfg) == false) { if (wl_get_p2p_status(cfg, DISCOVERY_ON)) { err = wl_cfgp2p_discover_enable_search(cfg, false); if (unlikely(err)) { goto scan_out; } } } } if (!cfg->p2p_supported || !p2p_scan(cfg)) { if (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 (bcmdhd_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; cfg->iw_ie_len = 0; memset(cfg->iw_ie, 0, IW_IES_MAX_BUF_LEN); /* 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; } if (request && !p2p_scan(cfg)) { WL_TRACE_HW4(("START SCAN\n")); } cfg->scan_request = request; wl_set_drv_status(cfg, SCANNING, ndev); if (cfg->p2p_supported) { if (p2p_on(cfg) && p2p_scan(cfg)) { /* find my listen channel */ cfg->afx_hdl->my_listen_chan = wl_find_listen_channel(cfg, request->ie, request->ie_len); err = wl_cfgp2p_enable_discovery(cfg, ndev, request->ie, request->ie_len); if (unlikely(err)) { goto scan_out; } } } err = wl_do_escan(cfg, wiphy, ndev, request); if (likely(!err)) goto scan_success; else goto scan_out; scan_success: busy_count = 0; return 0; scan_out: if (err == BCME_BUSY || err == BCME_NOTREADY) { WL_ERR(("Scan err = (%d), busy?%d", err, -EBUSY)); err = -EBUSY; } #define SCAN_EBUSY_RETRY_LIMIT 1 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); #ifdef P2PONEINT ndev = bcmcfg_to_prmry_ndev(cfg); WL_DBG(("scan use [dev name %s ] \n", ndev->name)); #endif #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA { int status = wifi_scan_request(wl_cfg80211_scan, wiphy, ndev, request); if (status > 0) { WIFI_SCAN_DEBUG("%s: substituted wifi scan policy" " with %d rule(s)\n", __func__, status); TEGRA_SYSFS_HISTOGRAM_SCAN_CNT_INC(cfg); return (0); } else if (status < 0) { WIFI_SCAN_DEBUG("%s: wifi scan policy active\n", __func__); return (status); } /* continue scan request if status is 0 */ } #endif err = __wl_cfg80211_scan(wiphy, ndev, request, NULL); if (unlikely(err)) { if ((err == BCME_EPERM) && cfg->scan_suppressed) WL_DBG(("scan not permitted at this time (%d)\n", err)); else WL_ERR(("scan error (%d)\n", err)); return err; } return err; } static s32 wl_set_rts(struct net_device *dev, u32 rts_threshold) { s32 err = 0; err = wldev_iovar_setint(dev, "rtsthresh", rts_threshold); if (unlikely(err)) { WL_ERR(("Error (%d)\n", err)); return err; } return err; } static s32 wl_set_frag(struct net_device *dev, u32 frag_threshold) { s32 err = 0; err = wldev_iovar_setint_bsscfg(dev, "fragthresh", frag_threshold, 0); if (unlikely(err)) { WL_ERR(("Error (%d)\n", err)); return err; } return err; } static s32 wl_set_retry(struct net_device *dev, u32 retry, bool l) { s32 err = 0; u32 cmd = (l ? WLC_SET_LRL : WLC_SET_SRL); retry = htod32(retry); err = wldev_ioctl(dev, cmd, &retry, sizeof(retry), true); if (unlikely(err)) { WL_ERR(("cmd (%d) , error (%d)\n", cmd, err)); return err; } return err; } static s32 wl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) { struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)wiphy_priv(wiphy); struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); s32 err = 0; RETURN_EIO_IF_NOT_UP(cfg); WL_DBG(("Enter\n")); if (changed & WIPHY_PARAM_RTS_THRESHOLD && (cfg->conf->rts_threshold != wiphy->rts_threshold)) { cfg->conf->rts_threshold = wiphy->rts_threshold; err = wl_set_rts(ndev, cfg->conf->rts_threshold); if (!err) return err; } if (changed & WIPHY_PARAM_FRAG_THRESHOLD && (cfg->conf->frag_threshold != wiphy->frag_threshold)) { cfg->conf->frag_threshold = wiphy->frag_threshold; err = wl_set_frag(ndev, cfg->conf->frag_threshold); if (!err) return err; } if (changed & WIPHY_PARAM_RETRY_LONG && (cfg->conf->retry_long != wiphy->retry_long)) { cfg->conf->retry_long = wiphy->retry_long; err = wl_set_retry(ndev, cfg->conf->retry_long, true); if (!err) return err; } if (changed & WIPHY_PARAM_RETRY_SHORT && (cfg->conf->retry_short != wiphy->retry_short)) { cfg->conf->retry_short = wiphy->retry_short; err = wl_set_retry(ndev, cfg->conf->retry_short, false); if (!err) { return err; } } return err; } static chanspec_t channel_to_chanspec(struct wiphy *wiphy, struct net_device *dev, u32 channel, u32 bw_cap) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); u8 *buf = NULL; wl_uint32_list_t *list; int err = BCME_OK; chanspec_t c = 0, ret_c = 0; int bw = 0, tmp_bw = 0; int i; u32 tmp_c; u16 kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL; #define LOCAL_BUF_SIZE 1024 buf = (u8 *) kzalloc(LOCAL_BUF_SIZE, kflags); if (!buf) { WL_ERR(("buf memory alloc failed\n")); goto exit; } list = (wl_uint32_list_t *)(void *)buf; list->count = htod32(WL_NUMCHANSPECS); err = wldev_iovar_getbuf_bsscfg(dev, "chanspecs", NULL, 0, buf, LOCAL_BUF_SIZE, 0, &cfg->ioctl_buf_sync); if (err != BCME_OK) { WL_ERR(("get chanspecs failed with %d\n", err)); goto exit; } for (i = 0; i < dtoh32(list->count); i++) { c = dtoh32(list->element[i]); if (channel <= CH_MAX_2G_CHANNEL) { if (!CHSPEC_IS20(c)) continue; if (channel == CHSPEC_CHANNEL(c)) { ret_c = c; bw = 20; goto exit; } } tmp_c = wf_chspec_ctlchan(c); tmp_bw = bw2cap[CHSPEC_BW(c) >> WL_CHANSPEC_BW_SHIFT]; if (tmp_c != channel) continue; if ((tmp_bw > bw) && (tmp_bw <= bw_cap)) { bw = tmp_bw; ret_c = c; if (bw == bw_cap) goto exit; } } exit: if (buf) kfree(buf); #undef LOCAL_BUF_SIZE WL_INFORM(("return chanspec %x %d\n", ret_c, bw)); return ret_c; } void wl_cfg80211_ibss_vsie_set_buffer(vndr_ie_setbuf_t *ibss_vsie, int ibss_vsie_len) { struct bcm_cfg80211 *cfg = g_bcm_cfg; if (cfg != NULL && ibss_vsie != NULL) { if (cfg->ibss_vsie != NULL) { kfree(cfg->ibss_vsie); } cfg->ibss_vsie = ibss_vsie; cfg->ibss_vsie_len = ibss_vsie_len; } } static void wl_cfg80211_ibss_vsie_free(struct bcm_cfg80211 *cfg) { /* free & initiralize VSIE (Vendor Specific IE) */ if (cfg->ibss_vsie != NULL) { kfree(cfg->ibss_vsie); cfg->ibss_vsie = NULL; cfg->ibss_vsie_len = 0; } } s32 wl_cfg80211_ibss_vsie_delete(struct net_device *dev) { struct bcm_cfg80211 *cfg = g_bcm_cfg; char *ioctl_buf = NULL; s32 ret = BCME_OK; if (cfg != NULL && cfg->ibss_vsie != NULL) { ioctl_buf = kmalloc(WLC_IOCTL_MEDLEN, GFP_KERNEL); if (!ioctl_buf) { WL_ERR(("ioctl memory alloc failed\n")); return -ENOMEM; } /* change the command from "add" to "del" */ strlcpy(cfg->ibss_vsie->cmd, "del", VNDR_IE_CMD_LEN); 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; } #ifdef WLAIBSS_MCHAN static bcm_struct_cfgdev* bcm_cfg80211_add_ibss_if(struct wiphy *wiphy, char *name) { int err = 0; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct wireless_dev* wdev = NULL; struct net_device *new_ndev = NULL; struct net_device *primary_ndev = NULL; s32 timeout; wl_aibss_if_t aibss_if; wl_if_event_info *event = NULL; if (cfg->ibss_cfgdev != NULL) { WL_ERR(("IBSS interface %s already exists\n", name)); return NULL; } WL_ERR(("Try to create IBSS interface %s\n", name)); primary_ndev = bcmcfg_to_prmry_ndev(cfg); /* generate a new MAC address for the IBSS interface */ get_primary_mac(cfg, &cfg->ibss_if_addr); cfg->ibss_if_addr.octet[4] ^= 0x40; memset(&aibss_if, sizeof(aibss_if), 0); memcpy(&aibss_if.addr, &cfg->ibss_if_addr, sizeof(aibss_if.addr)); aibss_if.chspec = 0; aibss_if.len = sizeof(aibss_if); cfg->bss_pending_op = TRUE; memset(&cfg->if_event_info, 0, sizeof(cfg->if_event_info)); err = wldev_iovar_setbuf(primary_ndev, "aibss_ifadd", &aibss_if, sizeof(aibss_if), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, NULL); if (err) { WL_ERR(("IOVAR aibss_ifadd failed with error %d\n", err)); goto fail; } timeout = wait_event_interruptible_timeout(cfg->netif_change_event, !cfg->bss_pending_op, msecs_to_jiffies(MAX_WAIT_TIME)); if (timeout <= 0 || cfg->bss_pending_op) goto fail; event = &cfg->if_event_info; strncpy(event->name, name, IFNAMSIZ - 1); /* By calling wl_cfg80211_allocate_if (dhd_allocate_if eventually) we give the control * over this net_device interface to dhd_linux, hence the interface is managed by dhd_liux * and will be freed by dhd_detach unless it gets unregistered before that. The * wireless_dev instance new_ndev->ieee80211_ptr associated with this net_device will * be freed by wl_dealloc_netinfo */ new_ndev = wl_cfg80211_allocate_if(cfg, event->ifidx, event->name, event->mac, event->bssidx); if (new_ndev == NULL) goto fail; wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); if (wdev == NULL) goto fail; wdev->wiphy = wiphy; wdev->iftype = NL80211_IFTYPE_ADHOC; wdev->netdev = new_ndev; new_ndev->ieee80211_ptr = wdev; SET_NETDEV_DEV(new_ndev, wiphy_dev(wdev->wiphy)); /* rtnl lock must have been acquired, if this is not the case, wl_cfg80211_register_if * needs to be modified to take one parameter (bool need_rtnl_lock) */ ASSERT_RTNL(); if (wl_cfg80211_register_if(cfg, event->ifidx, new_ndev) != BCME_OK) goto fail; wl_alloc_netinfo(cfg, new_ndev, wdev, WL_MODE_IBSS, PM_ENABLE); cfg->ibss_cfgdev = ndev_to_cfgdev(new_ndev); WL_ERR(("IBSS interface %s created\n", new_ndev->name)); return cfg->ibss_cfgdev; fail: WL_ERR(("failed to create IBSS interface %s \n", name)); cfg->bss_pending_op = FALSE; if (new_ndev) wl_cfg80211_remove_if(cfg, event->ifidx, new_ndev); if (wdev) kfree(wdev); return NULL; } static s32 bcm_cfg80211_del_ibss_if(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev) { int err = 0; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *ndev = NULL; struct net_device *primary_ndev = NULL; s32 timeout; if (!cfgdev || cfg->ibss_cfgdev != cfgdev || ETHER_ISNULLADDR(&cfg->ibss_if_addr.octet)) return -EINVAL; ndev = (struct net_device *)cfgdev_to_ndev(cfg->ibss_cfgdev); primary_ndev = bcmcfg_to_prmry_ndev(cfg); cfg->bss_pending_op = TRUE; memset(&cfg->if_event_info, 0, sizeof(cfg->if_event_info)); err = wldev_iovar_setbuf(primary_ndev, "aibss_ifdel", &cfg->ibss_if_addr, sizeof(cfg->ibss_if_addr), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, NULL); if (err) { WL_ERR(("IOVAR aibss_ifdel failed with error %d\n", err)); goto fail; } timeout = wait_event_interruptible_timeout(cfg->netif_change_event, !cfg->bss_pending_op, msecs_to_jiffies(MAX_WAIT_TIME)); if (timeout <= 0 || cfg->bss_pending_op) { WL_ERR(("timeout in waiting IF_DEL event\n")); goto fail; } wl_cfg80211_remove_if(cfg, cfg->if_event_info.ifidx, ndev); cfg->ibss_cfgdev = NULL; return 0; fail: cfg->bss_pending_op = FALSE; return -1; } #endif /* WLAIBSS_MCHAN */ s32 wl_cfg80211_interface_ops(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 bsscfg_idx, enum nl80211_iftype iface_type, s32 del, u8 *addr) { wl_interface_create_t iface; s32 ret; wl_interface_info_t *info; bzero(&iface, sizeof(wl_interface_create_t)); iface.ver = WL_INTERFACE_CREATE_VER; if (iface_type == NL80211_IFTYPE_AP) iface.flags = WL_INTERFACE_CREATE_AP; else iface.flags = WL_INTERFACE_CREATE_STA; if (del) { ret = wldev_iovar_setbuf(ndev, "interface_remove", NULL, 0, cfg->ioctl_buf, WLC_IOCTL_MEDLEN, NULL); } else { if (addr) { memcpy(&iface.mac_addr.octet, addr, ETH_ALEN); iface.flags |= WL_INTERFACE_MAC_USE; } ret = wldev_iovar_getbuf(ndev, "interface_create", &iface, sizeof(wl_interface_create_t), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (ret == 0) { /* success */ info = (wl_interface_info_t *)cfg->ioctl_buf; WL_DBG(("wl interface create success!! bssidx:%d \n", info->bsscfgidx)); ret = info->bsscfgidx; } } if (ret < 0) WL_ERR(("Interface %s failed!! ret %d\n", del ? "remove" : "create", ret)); return ret; } #if defined(DUAL_STA) || defined(DUAL_STA_STATIC_IF) s32 wl_cfg80211_add_del_bss(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 bsscfg_idx, enum nl80211_iftype iface_type, s32 del, u8 *addr) { s32 ret = BCME_OK; s32 val = 0; struct { s32 cfg; s32 val; struct ether_addr ea; } bss_setbuf; WL_INFORM(("iface_type:%d del:%d \n", iface_type, del)); bzero(&bss_setbuf, sizeof(bss_setbuf)); /* AP=3, STA=2, up=1, down=0, val=-1 */ if (del) { val = -1; } else if (iface_type == NL80211_IFTYPE_AP) { /* AP Interface */ WL_DBG(("Adding AP Interface \n")); val = 3; } else if (iface_type == NL80211_IFTYPE_STATION) { WL_DBG(("Adding STA Interface \n")); val = 2; } else { WL_ERR((" add_del_bss NOT supported for IFACE type:0x%x", iface_type)); return -EINVAL; } bss_setbuf.cfg = htod32(bsscfg_idx); bss_setbuf.val = htod32(val); if (addr) { memcpy(&bss_setbuf.ea.octet, addr, ETH_ALEN); } ret = wldev_iovar_setbuf(ndev, "bss", &bss_setbuf, sizeof(bss_setbuf), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (ret != 0) WL_ERR(("'bss %d' failed with %d\n", val, ret)); return ret; } /* Create a Generic Network Interface and initialize it depending up on * the interface type */ bcm_struct_cfgdev* wl_cfg80211_create_iface(struct wiphy *wiphy, enum nl80211_iftype iface_type, u8 *mac_addr, const char *name) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *new_ndev = NULL; struct net_device *primary_ndev = NULL; s32 ret = BCME_OK; s32 bsscfg_idx = 1; u32 timeout; wl_if_event_info *event = NULL; struct wireless_dev *wdev = NULL; u8 addr[ETH_ALEN]; WL_DBG(("Enter\n")); if (!name) { WL_ERR(("Interface name not provided\n")); return NULL; } primary_ndev = bcmcfg_to_prmry_ndev(cfg); if (likely(!mac_addr)) { /* Use primary MAC with the locally administered bit for the Secondary STA I/F */ memcpy(addr, primary_ndev->dev_addr, ETH_ALEN); addr[0] |= 0x02; } else { /* Use the application provided mac address (if any) */ memcpy(addr, mac_addr, ETH_ALEN); } if ((iface_type != NL80211_IFTYPE_STATION) && (iface_type != NL80211_IFTYPE_AP)) { WL_ERR(("IFACE type:%d not supported. STA " "or AP IFACE is only supported\n", iface_type)); return NULL; } cfg->bss_pending_op = TRUE; memset(&cfg->if_event_info, 0, sizeof(cfg->if_event_info)); /* De-initialize the p2p discovery interface, if operational */ if (p2p_is_on(cfg)) { WL_DBG(("Disabling P2P Discovery Interface \n")); #ifdef WL_CFG80211_P2P_DEV_IF ret = wl_cfg80211_scan_stop(bcmcfg_to_p2p_wdev(cfg)); #else ret = wl_cfg80211_scan_stop(cfg->p2p_net); #endif if (unlikely(ret < 0)) { CFGP2P_ERR(("P2P scan stop failed, ret=%d\n", ret)); } wl_cfgp2p_disable_discovery(cfg); wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE) = 0; p2p_on(cfg) = false; } /* * Intialize the firmware I/F. */ ret = wl_cfg80211_interface_ops(cfg, primary_ndev, bsscfg_idx, NL80211_IFTYPE_STATION, 0, addr); if (ret == BCME_UNSUPPORTED) { /* Use bssidx 1 by default */ if ((ret = wl_cfg80211_add_del_bss(cfg, primary_ndev, bsscfg_idx, iface_type, 0, addr)) < 0) { return NULL; } } else if (ret < 0) { WL_ERR(("Interface create failed!! ret:%d \n", ret)); goto fail; } else { /* Success */ bsscfg_idx = ret; } /* * Wait till the firmware send a confirmation event back. */ WL_DBG(("Wait for the FW I/F Event\n")); timeout = wait_event_interruptible_timeout(cfg->netif_change_event, !cfg->bss_pending_op, msecs_to_jiffies(MAX_WAIT_TIME)); if (timeout <= 0 || cfg->bss_pending_op) { WL_ERR(("ADD_IF event, didn't come. Return \n")); goto fail; } /* * Since FW operation is successful,we can go ahead with the * the host interface creation. */ event = &cfg->if_event_info; strncpy(event->name, name, IFNAMSIZ - 1); new_ndev = wl_cfg80211_allocate_if(cfg, event->ifidx, event->name, addr, event->bssidx); if (!new_ndev) { WL_ERR(("I/F allocation failed! \n")); goto fail; } else WL_DBG(("I/F allocation succeeded! ifidx:0x%x bssidx:0x%x \n", event->ifidx, event->bssidx)); wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); if (!wdev) { WL_ERR(("wireless_dev alloc failed! \n")); goto fail; } wdev->wiphy = wiphy; wdev->iftype = iface_type; new_ndev->ieee80211_ptr = wdev; SET_NETDEV_DEV(new_ndev, wiphy_dev(wdev->wiphy)); /* RTNL lock must have been acquired. */ ASSERT_RTNL(); /* Set the locally administed mac addr, if not applied already */ if (memcmp(addr, event->mac, ETH_ALEN) != 0) { ret = wldev_iovar_setbuf_bsscfg(primary_ndev, "cur_etheraddr", addr, ETH_ALEN, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, event->bssidx, &cfg->ioctl_buf_sync); if (unlikely(ret)) { WL_ERR(("set cur_etheraddr Error (%d)\n", ret)); goto fail; } memcpy(new_ndev->dev_addr, addr, ETH_ALEN); } if (wl_cfg80211_register_if(cfg, event->ifidx, new_ndev) != BCME_OK) { WL_ERR(("IFACE register failed \n")); goto fail; } /* Initialize with the station mode params */ wl_alloc_netinfo(cfg, new_ndev, wdev, (iface_type == NL80211_IFTYPE_STATION) ? WL_MODE_BSS : WL_MODE_AP, PM_ENABLE); cfg->bss_cfgdev = ndev_to_cfgdev(new_ndev); cfg->cfgdev_bssidx = event->bssidx; WL_DBG(("Host Network Interface for Secondary I/F created")); return cfg->bss_cfgdev; fail: cfg->bss_pending_op = FALSE; if (new_ndev) wl_cfg80211_remove_if(cfg, event->ifidx, new_ndev); if (wdev) kfree(wdev); return NULL; } s32 wl_cfg80211_del_iface(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *ndev = NULL; struct net_device *primary_ndev = NULL; s32 ret = BCME_OK; s32 bsscfg_idx = 1; u32 timeout; u32 ifidx; enum nl80211_iftype iface_type = NL80211_IFTYPE_STATION; WL_DBG(("Enter\n")); if (!cfg->bss_cfgdev) return 0; /* If any scan is going on, abort it */ if (wl_get_drv_status_all(cfg, SCANNING)) { WL_DBG(("Scan in progress. Aborting the scan!\n")); wl_notify_escan_complete(cfg, cfg->escan_info.ndev, true, true); } ndev = (struct net_device *)cfgdev_to_ndev(cfg->bss_cfgdev); primary_ndev = bcmcfg_to_prmry_ndev(cfg); cfg->bss_pending_op = TRUE; memset(&cfg->if_event_info, 0, sizeof(cfg->if_event_info)); /* Delete the firmware interface */ ret = wl_cfg80211_interface_ops(cfg, ndev, cfg->cfgdev_bssidx, NL80211_IFTYPE_STATION, 1, NULL); if (ret == BCME_UNSUPPORTED) { if ((ret = wl_cfg80211_add_del_bss(cfg, ndev, bsscfg_idx, iface_type, true, NULL)) < 0) { WL_ERR(("DEL bss failed ret:%d \n", ret)); return ret; } } else if (ret < 0) { WL_ERR(("Interface DEL failed ret:%d \n", ret)); return ret; } timeout = wait_event_interruptible_timeout(cfg->netif_change_event, !cfg->bss_pending_op, msecs_to_jiffies(MAX_WAIT_TIME)); if (timeout <= 0 || cfg->bss_pending_op) { WL_ERR(("timeout in waiting IF_DEL event\n")); } ifidx = dhd_net2idx(((struct dhd_pub *)(cfg->pub))->info, ndev); wl_cfg80211_remove_if(cfg, ifidx, ndev); cfg->bss_cfgdev = NULL; cfg->cfgdev_bssidx = -1; cfg->bss_pending_op = FALSE; WL_DBG(("IF_DEL Done.\n")); return ret; } #endif /* defined(DUAL_STA) || defined(DUAL_STA_STATIC_IF) */ static s32 wl_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ibss_params *params) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct cfg80211_bss *bss; struct ieee80211_channel *chan; struct wl_join_params join_params; int scan_suppress; struct cfg80211_ssid ssid; s32 scan_retry = 0; s32 err = 0; size_t join_params_size; chanspec_t chanspec = 0; u32 param[2] = {0, 0}; u32 bw_cap = 0; WL_TRACE(("In\n")); RETURN_EIO_IF_NOT_UP(cfg); WL_INFORM(("JOIN BSSID:" MACDBG "\n", MAC2STRDBG(params->bssid))); if (!params->ssid || params->ssid_len <= 0 || params->ssid_len > DOT11_MAX_SSID_LEN) { WL_ERR(("Invalid parameter\n")); return -EINVAL; } #if defined(WL_CFG80211_P2P_DEV_IF) chan = params->chandef.chan; #else chan = params->channel; #endif /* WL_CFG80211_P2P_DEV_IF */ if (chan) cfg->channel = ieee80211_frequency_to_channel(chan->center_freq); if (wl_get_drv_status(cfg, CONNECTED, dev)) { struct wlc_ssid *ssid = (struct wlc_ssid *)wl_read_prof(cfg, dev, WL_PROF_SSID); u8 *bssid = (u8 *)wl_read_prof(cfg, dev, WL_PROF_BSSID); u32 *channel = (u32 *)wl_read_prof(cfg, dev, WL_PROF_CHAN); if (!params->bssid || ((memcmp(params->bssid, bssid, ETHER_ADDR_LEN) == 0) && (memcmp(params->ssid, ssid->SSID, ssid->SSID_len) == 0) && (*channel == cfg->channel))) { WL_ERR(("Connection already existed to " MACDBG "\n", MAC2STRDBG((u8 *)wl_read_prof(cfg, dev, WL_PROF_BSSID)))); return -EISCONN; } WL_ERR(("Ignore Previous connecton to %s (" MACDBG ")\n", ssid->SSID, MAC2STRDBG(bssid))); } /* remove the VSIE */ wl_cfg80211_ibss_vsie_delete(dev); bss = cfg80211_get_ibss(wiphy, NULL, params->ssid, params->ssid_len); if (!bss) { if (IBSS_INITIAL_SCAN_ALLOWED == TRUE) { memcpy(ssid.ssid, params->ssid, params->ssid_len); ssid.ssid_len = params->ssid_len; do { if (unlikely (__wl_cfg80211_scan(wiphy, dev, NULL, &ssid) == -EBUSY)) { wl_delay(150); } else { break; } } while (++scan_retry < WL_SCAN_RETRY_MAX); /* rtnl lock code is removed here. don't see why rtnl lock * needs to be released. */ /* wait 4 secons till scan done.... */ schedule_timeout_interruptible(msecs_to_jiffies(4000)); bss = cfg80211_get_ibss(wiphy, NULL, params->ssid, params->ssid_len); } } if (bss && ((IBSS_COALESCE_ALLOWED == TRUE) || ((IBSS_COALESCE_ALLOWED == FALSE) && params->bssid && !memcmp(bss->bssid, params->bssid, ETHER_ADDR_LEN)))) { cfg->ibss_starter = false; WL_DBG(("Found IBSS\n")); } else { cfg->ibss_starter = true; } if (chan) { if (chan->band == IEEE80211_BAND_5GHZ) param[0] = WLC_BAND_5G; else if (chan->band == IEEE80211_BAND_2GHZ) param[0] = WLC_BAND_2G; err = wldev_iovar_getint(dev, "bw_cap", param); if (unlikely(err)) { WL_ERR(("Get bw_cap Failed (%d)\n", err)); return err; } bw_cap = param[0]; chanspec = channel_to_chanspec(wiphy, dev, cfg->channel, bw_cap); } /* * Join with specific BSSID and cached SSID * If SSID is zero join based on BSSID only */ memset(&join_params, 0, sizeof(join_params)); memcpy((void *)join_params.ssid.SSID, (void *)params->ssid, params->ssid_len); join_params.ssid.SSID_len = htod32(params->ssid_len); if (params->bssid) { memcpy(&join_params.params.bssid, params->bssid, ETHER_ADDR_LEN); err = wldev_ioctl(dev, WLC_SET_DESIRED_BSSID, &join_params.params.bssid, ETHER_ADDR_LEN, true); if (unlikely(err)) { WL_ERR(("Error (%d)\n", err)); return err; } } else memset(&join_params.params.bssid, 0, ETHER_ADDR_LEN); wldev_iovar_setint(dev, "ibss_coalesce_allowed", IBSS_COALESCE_ALLOWED); if (IBSS_INITIAL_SCAN_ALLOWED == FALSE) { scan_suppress = TRUE; /* Set the SCAN SUPPRESS Flag in the firmware to skip join scan */ err = wldev_ioctl(dev, WLC_SET_SCANSUPPRESS, &scan_suppress, sizeof(int), true); if (unlikely(err)) { WL_ERR(("Scan Suppress Setting Failed (%d)\n", err)); return err; } } join_params.params.chanspec_list[0] = chanspec; join_params.params.chanspec_num = 1; wldev_iovar_setint(dev, "chanspec", chanspec); join_params_size = sizeof(join_params); /* Disable Authentication, IBSS will add key if it required */ wldev_iovar_setint(dev, "wpa_auth", WPA_AUTH_DISABLED); wldev_iovar_setint(dev, "wsec", 0); err = wldev_ioctl(dev, WLC_SET_SSID, &join_params, join_params_size, true); if (unlikely(err)) { WL_ERR(("Error (%d)\n", err)); return err; } if (IBSS_INITIAL_SCAN_ALLOWED == FALSE) { scan_suppress = FALSE; /* Reset the SCAN SUPPRESS Flag */ err = wldev_ioctl(dev, WLC_SET_SCANSUPPRESS, &scan_suppress, sizeof(int), true); if (unlikely(err)) { WL_ERR(("Reset Scan Suppress Flag Failed (%d)\n", err)); return err; } } wl_update_prof(cfg, dev, NULL, &join_params.ssid, WL_PROF_SSID); wl_update_prof(cfg, dev, NULL, &cfg->channel, WL_PROF_CHAN); cfg->rmc_event_seq = 0; /* initialize rmcfail sequence */ return err; } static s32 wl_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 err = 0; scb_val_t scbval; u8 *curbssid; RETURN_EIO_IF_NOT_UP(cfg); wl_link_down(cfg); WL_ERR(("Leave IBSS\n")); curbssid = wl_read_prof(cfg, dev, WL_PROF_BSSID); wl_set_drv_status(cfg, DISCONNECTING, dev); scbval.val = 0; memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN); err = wldev_ioctl(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t), true); if (unlikely(err)) { wl_clr_drv_status(cfg, DISCONNECTING, dev); WL_ERR(("error(%d)\n", err)); return err; } /* remove the VSIE */ wl_cfg80211_ibss_vsie_delete(dev); return err; } #ifdef MFP static int wl_cfg80211_get_rsn_capa(bcm_tlv_t *wpa2ie, u8* capa) { u16 suite_count; wpa_suite_mcast_t *mcast; wpa_suite_ucast_t *ucast; u16 len; wpa_suite_auth_key_mgmt_t *mgmt; if (!wpa2ie) return -1; len = wpa2ie->len; mcast = (wpa_suite_mcast_t *)&wpa2ie->data[WPA2_VERSION_LEN]; if ((len -= WPA_SUITE_LEN) <= 0) return BCME_BADLEN; ucast = (wpa_suite_ucast_t *)&mcast[1]; suite_count = ltoh16_ua(&ucast->count); if ((suite_count > NL80211_MAX_NR_CIPHER_SUITES) || (len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) <= 0) return BCME_BADLEN; mgmt = (wpa_suite_auth_key_mgmt_t *)&ucast->list[suite_count]; suite_count = ltoh16_ua(&mgmt->count); if ((suite_count > NL80211_MAX_NR_CIPHER_SUITES) || (len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) >= RSN_CAP_LEN) { capa[0] = *(u8 *)&mgmt->list[suite_count]; capa[1] = *((u8 *)&mgmt->list[suite_count] + 1); } else return BCME_BADLEN; return 0; } #endif /* MFP */ static s32 wl_set_wpa_version(struct net_device *dev, struct cfg80211_connect_params *sme) { struct bcm_cfg80211 *cfg = g_bcm_cfg; struct wl_security *sec; s32 val = 0; s32 err = 0; s32 bssidx; if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED; else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) val = WPA2_AUTH_PSK| WPA2_AUTH_UNSPECIFIED; else val = WPA_AUTH_DISABLED; if (is_wps_conn(sme)) val = WPA_AUTH_DISABLED; WL_DBG(("setting wpa_auth to 0x%0x\n", val)); err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", val, bssidx); if (unlikely(err)) { WL_ERR(("set wpa_auth failed (%d)\n", err)); return err; } sec = wl_read_prof(cfg, dev, WL_PROF_SEC); sec->wpa_versions = sme->crypto.wpa_versions; return err; } static s32 wl_set_auth_type(struct net_device *dev, struct cfg80211_connect_params *sme) { struct bcm_cfg80211 *cfg = g_bcm_cfg; struct wl_security *sec; s32 val = 0; s32 err = 0; s32 bssidx; if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } switch (sme->auth_type) { case NL80211_AUTHTYPE_OPEN_SYSTEM: val = WL_AUTH_OPEN_SYSTEM; WL_DBG(("open system\n")); break; case NL80211_AUTHTYPE_SHARED_KEY: val = WL_AUTH_SHARED_KEY; WL_DBG(("shared key\n")); break; case NL80211_AUTHTYPE_AUTOMATIC: val = WL_AUTH_OPEN_SHARED; WL_DBG(("automatic\n")); break; default: val = 2; WL_ERR(("invalid auth type (%d)\n", sme->auth_type)); break; } err = wldev_iovar_setint_bsscfg(dev, "auth", val, bssidx); if (unlikely(err)) { WL_ERR(("set auth failed (%d)\n", err)); return err; } sec = wl_read_prof(cfg, dev, WL_PROF_SEC); sec->auth_type = sme->auth_type; return err; } static s32 wl_set_set_cipher(struct net_device *dev, struct cfg80211_connect_params *sme) { struct bcm_cfg80211 *cfg = g_bcm_cfg; struct wl_security *sec; s32 pval = 0; s32 gval = 0; s32 err = 0; s32 wsec_val = 0; #ifdef MFP s32 mfp = 0; bcm_tlv_t *wpa2_ie; u8 rsn_cap[2]; #endif /* MFP */ s32 bssidx; if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } if (sme->crypto.n_ciphers_pairwise) { switch (sme->crypto.ciphers_pairwise[0]) { case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: pval = WEP_ENABLED; break; case WLAN_CIPHER_SUITE_TKIP: pval = TKIP_ENABLED; break; case WLAN_CIPHER_SUITE_CCMP: case WLAN_CIPHER_SUITE_AES_CMAC: pval = AES_ENABLED; break; default: WL_ERR(("invalid cipher pairwise (%d)\n", sme->crypto.ciphers_pairwise[0])); return -EINVAL; } } if (sme->crypto.cipher_group) { switch (sme->crypto.cipher_group) { case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: gval = WEP_ENABLED; break; case WLAN_CIPHER_SUITE_TKIP: gval = TKIP_ENABLED; break; case WLAN_CIPHER_SUITE_CCMP: gval = AES_ENABLED; break; case WLAN_CIPHER_SUITE_AES_CMAC: gval = AES_ENABLED; break; default: WL_ERR(("invalid cipher group (%d)\n", sme->crypto.cipher_group)); return -EINVAL; } } WL_DBG(("pval (%d) gval (%d)\n", pval, gval)); if (is_wps_conn(sme)) { if (sme->privacy) err = wldev_iovar_setint_bsscfg(dev, "wsec", 4, bssidx); else /* WPS-2.0 allows no security */ err = wldev_iovar_setint_bsscfg(dev, "wsec", 0, bssidx); } else { WL_DBG((" NO, is_wps_conn, Set pval | gval to WSEC")); wsec_val = pval | gval; #ifdef MFP if (pval == AES_ENABLED) { if (((wpa2_ie = bcm_parse_tlvs((u8 *)sme->ie, sme->ie_len, DOT11_MNG_RSN_ID)) != NULL) && (wl_cfg80211_get_rsn_capa(wpa2_ie, rsn_cap) == 0)) { if (rsn_cap[0] & RSN_CAP_MFPC) { /* MFP Capability advertised by supplicant. Check * whether MFP is supported in the firmware */ if ((err = wldev_iovar_getint_bsscfg(dev, "mfp", &mfp, bssidx)) < 0) { WL_ERR(("Get MFP failed! " "Check MFP support in FW \n")); return -1; } if ((sme->crypto.n_akm_suites == 1) && ((sme->crypto.akm_suites[0] == WL_AKM_SUITE_MFP_PSK) || (sme->crypto.akm_suites[0] == WL_AKM_SUITE_MFP_1X))) { wsec_val |= MFP_SHA256; } else if (sme->crypto.n_akm_suites > 1) { WL_ERR(("Multiple AKM Specified \n")); return -EINVAL; } wsec_val |= MFP_CAPABLE; if (rsn_cap[0] & RSN_CAP_MFPR) wsec_val |= MFP_REQUIRED; if (rsn_cap[0] & RSN_CAP_MFPR) mfp = WL_MFP_REQUIRED; else mfp = WL_MFP_CAPABLE; err = wldev_iovar_setint_bsscfg(dev, "mfp", mfp, bssidx); } } } #endif /* MFP */ WL_DBG((" Set WSEC to fW 0x%x \n", wsec_val)); err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec_val, bssidx); } if (unlikely(err)) { WL_ERR(("error (%d)\n", err)); return err; } sec = wl_read_prof(cfg, dev, WL_PROF_SEC); sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0]; sec->cipher_group = sme->crypto.cipher_group; return err; } static s32 wl_set_key_mgmt(struct net_device *dev, struct cfg80211_connect_params *sme) { struct bcm_cfg80211 *cfg = g_bcm_cfg; struct wl_security *sec; s32 val = 0; s32 err = 0; s32 bssidx; if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } if (sme->crypto.n_akm_suites) { err = wldev_iovar_getint(dev, "wpa_auth", &val); if (unlikely(err)) { WL_ERR(("could not get wpa_auth (%d)\n", err)); return err; } if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) { switch (sme->crypto.akm_suites[0]) { case WLAN_AKM_SUITE_8021X: val = WPA_AUTH_UNSPECIFIED; break; case WLAN_AKM_SUITE_PSK: val = WPA_AUTH_PSK; break; default: WL_ERR(("invalid cipher group (%d)\n", sme->crypto.cipher_group)); return -EINVAL; } } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) { switch (sme->crypto.akm_suites[0]) { case WLAN_AKM_SUITE_8021X: val = WPA2_AUTH_UNSPECIFIED; break; #ifdef MFP case WL_AKM_SUITE_MFP_1X: val = WPA2_AUTH_UNSPECIFIED; break; case WL_AKM_SUITE_MFP_PSK: val = WPA2_AUTH_PSK; break; #endif case WLAN_AKM_SUITE_PSK: val = WPA2_AUTH_PSK; break; default: WL_ERR(("invalid cipher group (%d)\n", sme->crypto.cipher_group)); return -EINVAL; } } WL_DBG(("setting wpa_auth to %d\n", val)); err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", val, bssidx); if (unlikely(err)) { WL_ERR(("could not set wpa_auth (%d)\n", err)); return err; } } sec = wl_read_prof(cfg, dev, WL_PROF_SEC); sec->wpa_auth = sme->crypto.akm_suites[0]; return err; } static s32 wl_set_set_sharedkey(struct net_device *dev, struct cfg80211_connect_params *sme) { struct bcm_cfg80211 *cfg = g_bcm_cfg; struct wl_security *sec; struct wl_wsec_key key; s32 val; s32 err = 0; s32 bssidx; if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } WL_DBG(("key len (%d)\n", sme->key_len)); if (sme->key_len) { sec = wl_read_prof(cfg, dev, WL_PROF_SEC); WL_DBG(("wpa_versions 0x%x cipher_pairwise 0x%x\n", sec->wpa_versions, sec->cipher_pairwise)); if (!(sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2)) && (sec->cipher_pairwise & (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104))) { memset(&key, 0, sizeof(key)); key.len = (u32) sme->key_len; key.index = (u32) sme->key_idx; if (unlikely(key.len > sizeof(key.data))) { WL_ERR(("Too long key length (%u)\n", key.len)); return -EINVAL; } memcpy(key.data, sme->key, key.len); key.flags = WL_PRIMARY_KEY; switch (sec->cipher_pairwise) { case WLAN_CIPHER_SUITE_WEP40: key.algo = CRYPTO_ALGO_WEP1; break; case WLAN_CIPHER_SUITE_WEP104: key.algo = CRYPTO_ALGO_WEP128; break; default: WL_ERR(("Invalid algorithm (%d)\n", sme->crypto.ciphers_pairwise[0])); return -EINVAL; } /* Set the new key/index */ WL_DBG(("key length (%d) key index (%d) algo (%d)\n", key.len, key.index, key.algo)); WL_DBG(("key \"%s\"\n", key.data)); swap_key_from_BE(&key); err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("WLC_SET_KEY error (%d)\n", err)); return err; } if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) { WL_DBG(("set auth_type to shared key\n")); val = WL_AUTH_SHARED_KEY; /* shared key */ err = wldev_iovar_setint_bsscfg(dev, "auth", val, bssidx); if (unlikely(err)) { WL_ERR(("set auth failed (%d)\n", err)); return err; } } } } return err; } static u8 connect_req_bssid[6]; #if defined(ESCAN_RESULT_PATCH) static u8 broad_bssid[6]; #endif /* ESCAN_RESULT_PATCH */ #if defined(CUSTOM_SET_CPUCORE) || defined(CONFIG_TCPACK_FASTTX) static bool wl_get_chan_isvht80(struct net_device *net, dhd_pub_t *dhd) { u32 chanspec = 0; bool isvht80 = 0; if (wldev_iovar_getint(net, "chanspec", (s32 *)&chanspec) == BCME_OK) chanspec = wl_chspec_driver_to_host(chanspec); isvht80 = chanspec & WL_CHANSPEC_BW_80; WL_INFO(("%s: chanspec(%x:%d)\n", __FUNCTION__, chanspec, isvht80)); return isvht80; } #endif /* CUSTOM_SET_CPUCORE || CONFIG_TCPACK_FASTTX */ static s32 wl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_connect_params *sme) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct ieee80211_channel *chan = sme->channel; wl_extjoin_params_t *ext_join_params; struct wl_join_params join_params; size_t join_params_size; #if defined(ROAM_ENABLE) && defined(ROAM_AP_ENV_DETECTION) dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); s32 roam_trigger[2] = {0, 0}; #endif /* ROAM_AP_ENV_DETECTION */ s32 err = 0; wpa_ie_fixed_t *wpa_ie; bcm_tlv_t *wpa2_ie; u8* wpaie = 0; u32 wpaie_len = 0; u32 chan_cnt = 0; struct ether_addr bssid; s32 bssidx = -1; int ret; int wait_cnt; WL_DBG(("In\n")); if (unlikely(!sme->ssid)) { WL_ERR(("Invalid ssid\n")); return -EOPNOTSUPP; } if (unlikely(sme->ssid_len > DOT11_MAX_SSID_LEN)) { WL_ERR(("Invalid SSID info: SSID=%s, length=%zd\n", sme->ssid, sme->ssid_len)); return -EINVAL; } WL_DBG(("SME IE : len=%zu\n", sme->ie_len)); if (sme->ie != NULL && sme->ie_len > 0 && (wl_dbg_level & WL_DBG_DBG)) { prhex(NULL, (uchar *)sme->ie, sme->ie_len); } RETURN_EIO_IF_NOT_UP(cfg); /* cancel FW assoc timeout watchdog if set */ if (fw_assoc_timeout.fw_assoc_watchdog_started) { wl_fw_assoc_timeout_cancel(); } /* * Cancel ongoing scan to sync up with sme state machine of cfg80211. */ #if !defined(ESCAN_RESULT_PATCH) if (cfg->scan_request) { wl_notify_escan_complete(cfg, dev, true, true); } #endif #ifdef WL_SCHED_SCAN if (cfg->sched_scan_req) { #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 11, 0)) wl_cfg80211_sched_scan_stop(wiphy, bcmcfg_to_prmry_ndev(cfg), 0); #else wl_cfg80211_sched_scan_stop(wiphy, bcmcfg_to_prmry_ndev(cfg)); #endif } #endif #if defined(ESCAN_RESULT_PATCH) if (sme->bssid) memcpy(connect_req_bssid, sme->bssid, ETHER_ADDR_LEN); else bzero(connect_req_bssid, ETHER_ADDR_LEN); bzero(broad_bssid, ETHER_ADDR_LEN); #endif #if defined(USE_DYNAMIC_MAXPKT_RXGLOM) maxrxpktglom = 0; #endif bzero(&bssid, sizeof(bssid)); ret = wldev_ioctl(dev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN, false); if (ret == 0) { if ((!wl_get_drv_status(cfg, CONNECTED, dev) && !ETHER_ISNULLADDR(&bssid)) || wl_get_drv_status(cfg, CONNECTED, dev)) { scb_val_t scbval; wl_set_drv_status(cfg, DISCONNECTING, dev); scbval.val = DOT11_RC_DISASSOC_LEAVING; memcpy(&scbval.ea, &bssid, ETHER_ADDR_LEN); scbval.val = htod32(scbval.val); WL_DBG(("drv status CONNECTED is not set, but connected in FW!" MACDBG "/n", MAC2STRDBG(bssid.octet))); err = wldev_ioctl(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t), true); if (unlikely(err)) { wl_clr_drv_status(cfg, DISCONNECTING, dev); WL_ERR(("error (%d)\n", err)); return err; } wait_cnt = 500/10; while (wl_get_drv_status(cfg, DISCONNECTING, dev) && wait_cnt) { WL_DBG(("Waiting for disconnection terminated, wait_cnt: %d\n", wait_cnt)); wait_cnt--; OSL_SLEEP(10); } } else WL_DBG(("Currently not associated!\n")); } else { /* if status is DISCONNECTING, wait for disconnection terminated max 500 ms */ wait_cnt = 500/10; while (wl_get_drv_status(cfg, DISCONNECTING, dev) && wait_cnt) { WL_DBG(("Waiting for disconnection terminated, wait_cnt: %d\n", wait_cnt)); wait_cnt--; OSL_SLEEP(10); } if (wl_get_drv_status(cfg, DISCONNECTING, dev)) { WL_ERR(("Force clear DISCONNECTING status!\n")); wl_clr_drv_status(cfg, DISCONNECTING, dev); } } /* Clean BSSID */ bzero(&bssid, sizeof(bssid)); if (!wl_get_drv_status(cfg, DISCONNECTING, dev)) wl_update_prof(cfg, dev, NULL, (void *)&bssid, WL_PROF_BSSID); if (p2p_is_on(cfg) && (dev != bcmcfg_to_prmry_ndev(cfg))) { /* we only allow to connect using virtual interface in case of P2P */ if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } wl_cfgp2p_set_management_ie(cfg, dev, bssidx, VNDR_IE_ASSOCREQ_FLAG, sme->ie, sme->ie_len); } else if (dev == bcmcfg_to_prmry_ndev(cfg)) { /* find the RSN_IE */ if ((wpa2_ie = bcm_parse_tlvs((u8 *)sme->ie, sme->ie_len, DOT11_MNG_RSN_ID)) != NULL) { WL_DBG((" WPA2 IE is found\n")); } /* find the WPA_IE */ if ((wpa_ie = wl_cfgp2p_find_wpaie((u8 *)sme->ie, sme->ie_len)) != NULL) { WL_DBG((" WPA IE is found\n")); } if (wpa_ie != NULL || wpa2_ie != NULL) { wpaie = (wpa_ie != NULL) ? (u8 *)wpa_ie : (u8 *)wpa2_ie; wpaie_len = (wpa_ie != NULL) ? wpa_ie->length : wpa2_ie->len; wpaie_len += WPA_RSN_IE_TAG_FIXED_LEN; err = wldev_iovar_setbuf(dev, "wpaie", wpaie, wpaie_len, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("wpaie set error (%d)\n", err)); return err; } } else { err = wldev_iovar_setbuf(dev, "wpaie", NULL, 0, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("wpaie set error (%d)\n", err)); return err; } } if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } err = wl_cfgp2p_set_management_ie(cfg, dev, bssidx, VNDR_IE_ASSOCREQ_FLAG, (u8 *)sme->ie, sme->ie_len); if (unlikely(err)) { return err; } } #if defined(ROAM_ENABLE) && defined(ROAM_AP_ENV_DETECTION) if (dhd->roam_env_detection) { bool is_roamtrig_reset = TRUE; bool is_roam_env_ok = (wldev_iovar_setint(dev, "roam_env_detection", AP_ENV_DETECT_NOT_USED) == BCME_OK); if (!builtin_roam_disabled && is_roamtrig_reset && is_roam_env_ok) { roam_trigger[0] = WL_AUTO_ROAM_TRIGGER; roam_trigger[1] = WLC_BAND_ALL; err = wldev_ioctl(dev, WLC_SET_ROAM_TRIGGER, roam_trigger, sizeof(roam_trigger), true); if (unlikely(err)) { WL_ERR((" failed to restore roam_trigger for auto env" " detection\n")); } } } #endif /* ROAM_ENABLE && ROAM_AP_ENV_DETECTION */ if (chan) { cfg->channel = ieee80211_frequency_to_channel(chan->center_freq); chan_cnt = 1; WL_DBG(("channel (%d), center_req (%d), %d channels\n", cfg->channel, chan->center_freq, chan_cnt)); } else { WL_DBG(("No channel info from user space\n")); cfg->channel = 0; } WL_DBG(("ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len)); WL_DBG(("3. set wapi version \n")); err = wl_set_wpa_version(dev, sme); if (unlikely(err)) { WL_ERR(("Invalid wpa_version\n")); return err; } err = wl_set_auth_type(dev, sme); if (unlikely(err)) { WL_ERR(("Invalid auth type\n")); return err; } err = wl_set_set_cipher(dev, sme); if (unlikely(err)) { WL_ERR(("Invalid ciper\n")); return err; } err = wl_set_key_mgmt(dev, sme); if (unlikely(err)) { WL_ERR(("Invalid key mgmt\n")); return err; } err = wl_set_set_sharedkey(dev, sme); if (unlikely(err)) { WL_ERR(("Invalid shared key\n")); return err; } /* * Join with specific BSSID and cached SSID * If SSID is zero join based on BSSID only */ join_params_size = WL_EXTJOIN_PARAMS_FIXED_SIZE + chan_cnt * sizeof(chanspec_t); ext_join_params = (wl_extjoin_params_t*)kzalloc(join_params_size, GFP_KERNEL); if (ext_join_params == NULL) { err = -ENOMEM; wl_clr_drv_status(cfg, CONNECTING, dev); goto exit; } ext_join_params->ssid.SSID_len = min(sizeof(ext_join_params->ssid.SSID), sme->ssid_len); memcpy(&ext_join_params->ssid.SSID, sme->ssid, ext_join_params->ssid.SSID_len); wl_update_prof(cfg, dev, NULL, &ext_join_params->ssid, WL_PROF_SSID); ext_join_params->ssid.SSID_len = htod32(ext_join_params->ssid.SSID_len); /* increate dwell time to receive probe response or detect Beacon * from target AP at a noisy air only during connect command */ ext_join_params->scan.active_time = chan_cnt ? WL_SCAN_JOIN_ACTIVE_DWELL_TIME_MS : -1; ext_join_params->scan.passive_time = chan_cnt ? WL_SCAN_JOIN_PASSIVE_DWELL_TIME_MS : -1; /* Set up join scan parameters */ ext_join_params->scan.scan_type = -1; ext_join_params->scan.nprobes = chan_cnt ? (ext_join_params->scan.active_time/WL_SCAN_JOIN_PROBE_INTERVAL_MS) : -1; ext_join_params->scan.home_time = -1; if (sme->bssid) memcpy(&ext_join_params->assoc.bssid, sme->bssid, ETH_ALEN); else memcpy(&ext_join_params->assoc.bssid, ðer_bcast, ETH_ALEN); ext_join_params->assoc.chanspec_num = chan_cnt; if (chan_cnt) { if (cfg->channel) { /* * Use the channel provided by userspace */ u16 channel, band, bw, ctl_sb; chanspec_t chspec; channel = cfg->channel; band = (channel <= CH_MAX_2G_CHANNEL) ? WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G; bw = WL_CHANSPEC_BW_20; ctl_sb = WL_CHANSPEC_CTL_SB_NONE; chspec = (channel | band | bw | ctl_sb); ext_join_params->assoc.chanspec_list[0] &= WL_CHANSPEC_CHAN_MASK; ext_join_params->assoc.chanspec_list[0] |= chspec; ext_join_params->assoc.chanspec_list[0] = wl_chspec_host_to_driver(ext_join_params->assoc.chanspec_list[0]); } } ext_join_params->assoc.chanspec_num = htod32(ext_join_params->assoc.chanspec_num); if (ext_join_params->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) { WL_INFORM(("ssid \"%s\", len (%d)\n", ext_join_params->ssid.SSID, ext_join_params->ssid.SSID_len)); } wl_set_drv_status(cfg, CONNECTING, dev); if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); wl_clr_drv_status(cfg, CONNECTING, dev); kfree(ext_join_params); return BCME_ERROR; } err = wldev_iovar_setbuf_bsscfg(dev, "join", ext_join_params, join_params_size, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); DHD_NV_INFO(("Connectting with " MACDBG " channel (%d) ssid \"%s\", len (%d)\n\n", MAC2STRDBG((u8*)(&ext_join_params->assoc.bssid)), cfg->channel, ext_join_params->ssid.SSID, ext_join_params->ssid.SSID_len)); #ifdef CONFIG_BCMDHD_CUSTOM_NET_BW_EST_TEGRA tegra_net_bw_est_set_src_macaddr(dhd->mac.octet); tegra_net_bw_est_set_dst_macaddr(ext_join_params->assoc.bssid.octet); #endif kfree(ext_join_params); if (err) { wl_clr_drv_status(cfg, CONNECTING, dev); if (err == BCME_UNSUPPORTED) { WL_DBG(("join iovar is not supported\n")); goto set_ssid; } else { WL_ERR(("error (%d)\n", err)); goto exit; } } else goto exit; set_ssid: memset(&join_params, 0, sizeof(join_params)); join_params_size = sizeof(join_params.ssid); join_params.ssid.SSID_len = min(sizeof(join_params.ssid.SSID), sme->ssid_len); memcpy(&join_params.ssid.SSID, sme->ssid, join_params.ssid.SSID_len); join_params.ssid.SSID_len = htod32(join_params.ssid.SSID_len); wl_update_prof(cfg, dev, NULL, &join_params.ssid, WL_PROF_SSID); if (sme->bssid) memcpy(&join_params.params.bssid, sme->bssid, ETH_ALEN); else memcpy(&join_params.params.bssid, ðer_bcast, ETH_ALEN); wl_ch_to_chanspec(cfg->channel, &join_params, &join_params_size); WL_DBG(("join_param_size %zu\n", join_params_size)); if (join_params.ssid.SSID_len < IEEE80211_MAX_SSID_LEN) { WL_INFORM(("ssid \"%s\", len (%d)\n", join_params.ssid.SSID, join_params.ssid.SSID_len)); } wl_set_drv_status(cfg, CONNECTING, dev); err = wldev_ioctl(dev, WLC_SET_SSID, &join_params, join_params_size, true); if (err) { WL_ERR(("error (%d)\n", err)); wl_clr_drv_status(cfg, CONNECTING, dev); } exit: return err; } #define WAIT_FOR_DISCONNECT_MAX 10 static void wl_cfg80211_wait_for_disconnection(struct bcm_cfg80211 *cfg, struct net_device *dev) { uint8 wait_cnt; wait_cnt = WAIT_FOR_DISCONNECT_MAX; while (wl_get_drv_status(cfg, DISCONNECTING, dev) && wait_cnt) { WL_DBG(("Waiting for disconnection, wait_cnt: %d\n", wait_cnt)); wait_cnt--; OSL_SLEEP(50); } if (wl_get_drv_status(cfg, DISCONNECTING, dev)) { WL_ERR(("Force clear DISCONNECTING status!\n")); wl_clr_drv_status(cfg, DISCONNECTING, dev); } return; } static s32 wl_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, u16 reason_code) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); scb_val_t scbval; bool act = false; s32 err = 0; u8 *curbssid; int ret; #ifdef CUSTOM_SET_CPUCORE dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); #endif /* CUSTOM_SET_CPUCORE */ DHD_NV_INFO(("Reason %d\n", reason_code)); #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA if (bcmdhd_stat.gen_stat.rssi < -67) TEGRA_SYSFS_HISTOGRAM_STAT_INC(disconnect_rssi_low); else TEGRA_SYSFS_HISTOGRAM_STAT_INC(disconnect_rssi_high); /* Reset per connection lifetime stats */ SET_DRV_STAT(aggr_not_assoc_err, 0); #endif /* cancel FW assoc timeout watchdog if set */ if (fw_assoc_timeout.fw_assoc_watchdog_started) { wl_fw_assoc_timeout_cancel(); } RETURN_EIO_IF_NOT_UP(cfg); act = *(bool *) wl_read_prof(cfg, dev, WL_PROF_ACT); curbssid = wl_read_prof(cfg, dev, WL_PROF_BSSID); #ifdef ESCAN_RESULT_PATCH if (wl_get_drv_status(cfg, CONNECTING, dev) && curbssid && (memcmp(curbssid, connect_req_bssid, ETHER_ADDR_LEN) == 0)) { WL_ERR(("Disconnecting from connecting device: " MACDBG "\n", MAC2STRDBG(curbssid))); act = true; } #endif /* ESCAN_RESULT_PATCH */ if (act) { /* * Cancel ongoing scan to sync up with sme state machine of cfg80211. */ /* Let scan aborted by F/W */ if (cfg->scan_request) { wl_notify_escan_complete(cfg, dev, true, true); } if (wl_get_drv_status(cfg, CONNECTING, dev) || wl_get_drv_status(cfg, CONNECTED, dev)) { wl_set_drv_status(cfg, DISCONNECTING, dev); scbval.val = reason_code; memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN); scbval.val = htod32(scbval.val); err = wldev_ioctl(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t), true); if (unlikely(err)) { wl_clr_drv_status(cfg, DISCONNECTING, dev); WL_ERR(("error (%d)\n", err)); return err; } wl_cfg80211_wait_for_disconnection(cfg, dev); } reinit_completion(&cfg->send_disconnected); /* Wait till link down event is received from FW */ ret = wait_for_completion_interruptible_timeout( &cfg->send_disconnected, msecs_to_jiffies(DISCONNECT_WAIT_TIME)); if (!ret) { WL_ERR(("Link down event is not received\n")); } else if (ret == -ERESTARTSYS) { WL_ERR(("Wait aborted by a signal\n")); } } #ifdef CUSTOM_SET_CPUCORE /* set default cpucore */ if (dev == bcmcfg_to_prmry_ndev(cfg)) { dhd->chan_isvht80 &= ~DHD_FLAG_STA_MODE; if (!(dhd->chan_isvht80)) dhd_set_cpucore(dhd, FALSE); } #endif /* CUSTOM_SET_CPUCORE */ return err; } #if defined(WL_CFG80211_P2P_DEV_IF) static s32 wl_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, enum nl80211_tx_power_setting type, s32 mbm) #else static s32 wl_cfg80211_set_tx_power(struct wiphy *wiphy, enum nl80211_tx_power_setting type, s32 dbm) #endif /* WL_CFG80211_P2P_DEV_IF */ { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); s32 err = 0; #if defined(WL_CFG80211_P2P_DEV_IF) s32 dbm = MBM_TO_DBM(mbm); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) || \ defined(WL_COMPAT_WIRELESS) || defined(WL_SUPPORT_BACKPORTED_KPATCHES) dbm = MBM_TO_DBM(dbm); #endif /* WL_CFG80211_P2P_DEV_IF */ RETURN_EIO_IF_NOT_UP(cfg); switch (type) { case NL80211_TX_POWER_AUTOMATIC: break; case NL80211_TX_POWER_LIMITED: if (dbm < 0) { WL_ERR(("TX_POWER_LIMITTED - dbm is negative\n")); return -EINVAL; } break; case NL80211_TX_POWER_FIXED: if (dbm < 0) { WL_ERR(("TX_POWER_FIXED - dbm is negative..\n")); return -EINVAL; } break; } err = wl_set_tx_power(ndev, type, dbm); if (unlikely(err)) { WL_ERR(("error (%d)\n", err)); return err; } cfg->conf->tx_power = dbm; return err; } #if defined(WL_CFG80211_P2P_DEV_IF) static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, s32 *dbm) #else static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm) #endif /* WL_CFG80211_P2P_DEV_IF */ { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); s32 err = 0; RETURN_EIO_IF_NOT_UP(cfg); err = wl_get_tx_power(ndev, dbm); if (unlikely(err)) WL_ERR(("error (%d)\n", err)); return err; } static s32 wl_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, bool unicast, bool multicast) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); u32 index; s32 wsec; s32 err = 0; s32 bssidx; if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } WL_DBG(("key index (%d)\n", key_idx)); RETURN_EIO_IF_NOT_UP(cfg); err = wldev_iovar_getint_bsscfg(dev, "wsec", &wsec, bssidx); if (unlikely(err)) { WL_ERR(("WLC_GET_WSEC error (%d)\n", err)); return err; } if (wsec == WEP_ENABLED) { /* Just select a new current key */ index = (u32) key_idx; index = htod32(index); err = wldev_ioctl(dev, WLC_SET_KEY_PRIMARY, &index, sizeof(index), true); if (unlikely(err)) { WL_ERR(("error (%d)\n", err)); } } return err; } static s32 wl_add_keyext(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, const u8 *mac_addr, struct key_params *params) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct wl_wsec_key key; s32 err = 0; s32 bssidx; s32 mode = wl_get_mode_by_netdev(cfg, dev); if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } memset(&key, 0, sizeof(key)); key.index = (u32) key_idx; if (!ETHER_ISMULTI(mac_addr)) memcpy((char *)&key.ea, (void *)mac_addr, ETHER_ADDR_LEN); key.len = (u32) params->key_len; /* check for key index change */ if (key.len == 0) { /* key delete */ swap_key_from_BE(&key); err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("key delete error (%d)\n", err)); return err; } } else { if (key.len > sizeof(key.data)) { WL_ERR(("Invalid key length (%d)\n", key.len)); return -EINVAL; } WL_DBG(("Setting the key index %d\n", key.index)); memcpy(key.data, params->key, key.len); if ((mode == WL_MODE_BSS) && (params->cipher == WLAN_CIPHER_SUITE_TKIP)) { u8 keybuf[8]; memcpy(keybuf, &key.data[24], sizeof(keybuf)); memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); memcpy(&key.data[16], keybuf, sizeof(keybuf)); } /* if IW_ENCODE_EXT_RX_SEQ_VALID set */ if (params->seq && params->seq_len == 6) { /* rx iv */ u8 *ivptr; ivptr = (u8 *) params->seq; key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) | (ivptr[3] << 8) | ivptr[2]; key.rxiv.lo = (ivptr[1] << 8) | ivptr[0]; key.iv_initialized = true; } switch (params->cipher) { case WLAN_CIPHER_SUITE_WEP40: key.algo = CRYPTO_ALGO_WEP1; WL_DBG(("WLAN_CIPHER_SUITE_WEP40\n")); break; case WLAN_CIPHER_SUITE_WEP104: key.algo = CRYPTO_ALGO_WEP128; WL_DBG(("WLAN_CIPHER_SUITE_WEP104\n")); break; case WLAN_CIPHER_SUITE_TKIP: key.algo = CRYPTO_ALGO_TKIP; WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n")); break; case WLAN_CIPHER_SUITE_AES_CMAC: key.algo = CRYPTO_ALGO_AES_CCM; WL_DBG(("WLAN_CIPHER_SUITE_AES_CMAC\n")); break; case WLAN_CIPHER_SUITE_CCMP: key.algo = CRYPTO_ALGO_AES_CCM; WL_DBG(("WLAN_CIPHER_SUITE_CCMP\n")); break; default: WL_ERR(("Invalid cipher (0x%x)\n", params->cipher)); return -EINVAL; } swap_key_from_BE(&key); /* need to guarantee EAPOL 4/4 send out before set key */ if (mode != WL_MODE_AP) dhd_wait_pend8021x(dev); err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("WLC_SET_KEY error (%d)\n", err)); return err; } } return err; } int wl_cfg80211_enable_roam_offload(struct net_device *dev, int enable) { int err; wl_eventmsg_buf_t ev_buf; if (dev != bcmcfg_to_prmry_ndev(g_bcm_cfg)) { /* roam offload is only for the primary device */ return -1; } err = wldev_iovar_setint(dev, "roam_offload", enable); if (err) return err; bzero(&ev_buf, sizeof(wl_eventmsg_buf_t)); wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_PSK_SUP, !enable); wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_ASSOC_REQ_IE, !enable); wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_ASSOC_RESP_IE, !enable); wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_REASSOC, !enable); wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_JOIN, !enable); wl_cfg80211_add_to_eventbuffer(&ev_buf, WLC_E_ROAM, !enable); err = wl_cfg80211_apply_eventbuffer(dev, g_bcm_cfg, &ev_buf); if (!err) { g_bcm_cfg->roam_offload = enable; } return err; } static s32 wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, bool pairwise, const u8 *mac_addr, struct key_params *params) { struct wl_wsec_key key; s32 val = 0; s32 wsec = 0; s32 err = 0; u8 keybuf[8]; s32 bssidx = 0; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 mode = wl_get_mode_by_netdev(cfg, dev); WL_DBG(("key index (%d)\n", key_idx)); RETURN_EIO_IF_NOT_UP(cfg); if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } if (mac_addr && ((params->cipher != WLAN_CIPHER_SUITE_WEP40) && (params->cipher != WLAN_CIPHER_SUITE_WEP104))) { wl_add_keyext(wiphy, dev, key_idx, mac_addr, params); goto exit; } memset(&key, 0, sizeof(key)); key.len = (u32) params->key_len; key.index = (u32) key_idx; if (unlikely(key.len > sizeof(key.data))) { WL_ERR(("Too long key length (%u)\n", key.len)); return -EINVAL; } memcpy(key.data, params->key, key.len); key.flags = WL_PRIMARY_KEY; switch (params->cipher) { case WLAN_CIPHER_SUITE_WEP40: key.algo = CRYPTO_ALGO_WEP1; val = WEP_ENABLED; WL_DBG(("WLAN_CIPHER_SUITE_WEP40\n")); break; case WLAN_CIPHER_SUITE_WEP104: key.algo = CRYPTO_ALGO_WEP128; val = WEP_ENABLED; WL_DBG(("WLAN_CIPHER_SUITE_WEP104\n")); break; case WLAN_CIPHER_SUITE_TKIP: key.algo = CRYPTO_ALGO_TKIP; val = TKIP_ENABLED; /* wpa_supplicant switches the third and fourth quarters of the TKIP key */ if (mode == WL_MODE_BSS) { bcopy(&key.data[24], keybuf, sizeof(keybuf)); bcopy(&key.data[16], &key.data[24], sizeof(keybuf)); bcopy(keybuf, &key.data[16], sizeof(keybuf)); } WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n")); break; case WLAN_CIPHER_SUITE_AES_CMAC: key.algo = CRYPTO_ALGO_AES_CCM; val = AES_ENABLED; WL_DBG(("WLAN_CIPHER_SUITE_AES_CMAC\n")); break; case WLAN_CIPHER_SUITE_CCMP: key.algo = CRYPTO_ALGO_AES_CCM; val = AES_ENABLED; WL_DBG(("WLAN_CIPHER_SUITE_CCMP\n")); break; default: WL_ERR(("Invalid cipher (0x%x)\n", params->cipher)); return -EINVAL; } /* Set the new key/index */ if ((mode == WL_MODE_IBSS) && (val & (TKIP_ENABLED | AES_ENABLED))) { WL_ERR(("IBSS KEY setted\n")); wldev_iovar_setint(dev, "wpa_auth", WPA_AUTH_NONE); } swap_key_from_BE(&key); err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("WLC_SET_KEY error (%d)\n", err)); return err; } exit: err = wldev_iovar_getint_bsscfg(dev, "wsec", &wsec, bssidx); if (unlikely(err)) { WL_ERR(("get wsec error (%d)\n", err)); return err; } wsec |= val; err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx); if (unlikely(err)) { WL_ERR(("set wsec error (%d)\n", err)); return err; } return err; } static s32 wl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, bool pairwise, const u8 *mac_addr) { struct wl_wsec_key key; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 err = 0; s32 bssidx; if (!cfg) return -EINVAL; if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } WL_DBG(("Enter\n")); if ((key_idx >= DOT11_MAX_DEFAULT_KEYS) && (key_idx < DOT11_MAX_DEFAULT_KEYS+2)) return -EINVAL; RETURN_EIO_IF_NOT_UP(cfg); memset(&key, 0, sizeof(key)); if ((mac_addr != NULL) && !ETHER_ISMULTI(mac_addr)) memcpy((char *)&key.ea, (const void *)mac_addr, ETHER_ADDR_LEN); key.flags = WL_PRIMARY_KEY; key.algo = CRYPTO_ALGO_OFF; key.index = (u32) key_idx; WL_DBG(("key index (%d)\n", key_idx)); /* Set the new key/index */ swap_key_from_BE(&key); err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (unlikely(err)) { if (err == -EINVAL) { if (key.index >= DOT11_MAX_DEFAULT_KEYS) { /* we ignore this key index in this case */ WL_DBG(("invalid key index (%d)\n", key_idx)); } } else { WL_ERR(("WLC_SET_KEY error (%d)\n", err)); } return err; } return err; } static s32 wl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie, void (*callback) (void *cookie, struct key_params * params)) { struct key_params params; struct wl_wsec_key key; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct wl_security *sec; s32 wsec; s32 err = 0; s32 bssidx; if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } WL_DBG(("key index (%d)\n", key_idx)); RETURN_EIO_IF_NOT_UP(cfg); memset(&key, 0, sizeof(key)); key.index = key_idx; swap_key_to_BE(&key); memset(¶ms, 0, sizeof(params)); params.key_len = (u8) min_t(u8, DOT11_MAX_KEY_SIZE, key.len); memcpy((void *)params.key, key.data, params.key_len); err = wldev_iovar_getint_bsscfg(dev, "wsec", &wsec, bssidx); if (unlikely(err)) { WL_ERR(("WLC_GET_WSEC error (%d)\n", err)); return err; } switch (WSEC_ENABLED(wsec)) { case WEP_ENABLED: sec = wl_read_prof(cfg, dev, WL_PROF_SEC); if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) { params.cipher = WLAN_CIPHER_SUITE_WEP40; WL_DBG(("WLAN_CIPHER_SUITE_WEP40\n")); } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) { params.cipher = WLAN_CIPHER_SUITE_WEP104; WL_DBG(("WLAN_CIPHER_SUITE_WEP104\n")); } break; case TKIP_ENABLED: params.cipher = WLAN_CIPHER_SUITE_TKIP; WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n")); break; case AES_ENABLED: params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; WL_DBG(("WLAN_CIPHER_SUITE_AES_CMAC\n")); break; default: WL_ERR(("Invalid algo (0x%x)\n", wsec)); return -EINVAL; } callback(cookie, ¶ms); return err; } static s32 wl_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx) { #ifdef MFP return 0; #else WL_INFORM(("Not supported\n")); return -EOPNOTSUPP; #endif /* MFP */ } static void fw_assoc_timeout_fn(struct work_struct *work) { struct delayed_work *delay_work = container_of(work, struct delayed_work, work); struct fw_assoc_timeout_work *fw_assoc_timeout = container_of(delay_work, struct fw_assoc_timeout_work, delay_work); struct bcm_cfg80211 *cfg = fw_assoc_timeout->cfg; struct net_device *dev = fw_assoc_timeout->dev; scb_val_t scbval; s32 err = 0; u8 *curbssid = wl_read_prof(cfg, dev, WL_PROF_BSSID); scbval.val = WLAN_REASON_DEAUTH_LEAVING; memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN); scbval.val = htod32(scbval.val); err = wldev_ioctl(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t), true); if (err < 0) { WL_ERR(("WLC_DISASSOC error %d\n", err)); } memset(&cfg->last_roamed_addr, 0, ETHER_ADDR_LEN); /* Disconnect due to zero BSSID */ wl_clr_drv_status(cfg, CONNECTED, dev); CFG80211_DISCONNECTED(dev, 0, NULL, 0, false, GFP_KERNEL); wl_link_down(cfg); wl_init_prof(cfg, dev); fw_assoc_timeout->fw_assoc_watchdog_started = FALSE; WL_ERR(("force cfg80211_disconnected\n")); } void wl_fw_assoc_timeout_init() { INIT_DELAYED_WORK(&fw_assoc_timeout.delay_work, fw_assoc_timeout_fn); fw_assoc_timeout.fw_assoc_watchdog_started = FALSE; } void wl_fw_assoc_timeout_cancel() { if (delayed_work_pending(&fw_assoc_timeout.delay_work)) { WL_ERR(("cancelling fw_assoc_watchdog work\n")); cancel_delayed_work_sync(&fw_assoc_timeout.delay_work); fw_assoc_timeout.fw_assoc_watchdog_started = FALSE; } } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) static s32 wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_info *sinfo) #else static s32 wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, u8 *mac, struct station_info *sinfo) #endif { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); scb_val_t scb_val; s32 rssi; s32 rate = 0; s32 err = 0; sta_info_t *sta; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) s8 eabuf[ETHER_ADDR_STR_LEN]; #endif dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); bool fw_assoc_state = FALSE; u32 dhd_assoc_state = 0; RETURN_EIO_IF_NOT_UP(cfg); if (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_AP) { err = wldev_iovar_getbuf(dev, "sta_info", (struct ether_addr *)mac, ETHER_ADDR_LEN, cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync); if (err < 0) { WL_ERR(("GET STA INFO failed, %d\n", err)); return err; } sinfo->filled = STA_INFO_BIT(INFO_INACTIVE_TIME); sta = (sta_info_t *)cfg->ioctl_buf; sta->len = dtoh16(sta->len); sta->cap = dtoh16(sta->cap); sta->flags = dtoh32(sta->flags); sta->idle = dtoh32(sta->idle); sta->in = dtoh32(sta->in); sinfo->inactive_time = sta->idle * 1000; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) if (sta->flags & WL_STA_ASSOC) { sinfo->filled |= STA_INFO_BIT(INFO_CONNECTED_TIME); sinfo->connected_time = sta->in; } WL_INFORM(("STA %s : idle time : %d sec, connected time :%d ms\n", bcm_ether_ntoa((const struct ether_addr *)mac, eabuf), sinfo->inactive_time, sta->idle * 1000)); #endif } else if (wl_get_mode_by_netdev(cfg, dev) == WL_MODE_BSS || wl_get_mode_by_netdev(cfg, dev) == WL_MODE_IBSS) { get_pktcnt_t pktcnt; u8 *curmacp; if (cfg->roam_offload) { struct ether_addr bssid; memset(&bssid, 0, sizeof(bssid)); err = wldev_ioctl(dev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN, false); if (err) { WL_ERR(("Failed to get current BSSID\n")); } else { if (memcmp(mac, &bssid.octet, ETHER_ADDR_LEN) != 0) { /* roaming is detected */ err = wl_cfg80211_delayed_roam(cfg, dev, &bssid); if (err) WL_ERR(("Failed to handle the delayed roam, " "err=%d", err)); mac = (u8 *)bssid.octet; } } } dhd_assoc_state = wl_get_drv_status(cfg, CONNECTED, dev); fw_assoc_state = dhd_is_associated(dhd, 0, &err); if (!dhd_assoc_state || !fw_assoc_state) { WL_ERR(("NOT assoc, error %d\n", err)); #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA if (!DRV_STAT_SET(aggr_not_assoc_err)) { TEGRA_SYSFS_HISTOGRAM_DRIVER_STAT_INC(aggr_not_assoc_err); SET_DRV_STAT(aggr_not_assoc_err, 1); } #endif /* CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA */ if (err == -ENODATA) return err; if (!dhd_assoc_state) { WL_TRACE_HW4(("drv state is not connected \n")); } if (!fw_assoc_state) { WL_TRACE_HW4(("fw state is not associated \n")); } /* Disconnect due to fw is not associated for FW_ASSOC_WATCHDOG_TIME ms. * 'err == 0 or BCME_NOTASSOCIATED' of dhd_is_associated() and '!fw_assoc_state' * means that BSSID is null. */ if (dhd_assoc_state && !fw_assoc_state && (err == BCME_NOTASSOCIATED || !err)) { if (!fw_assoc_timeout.fw_assoc_watchdog_started) { fw_assoc_timeout.dev = dev; fw_assoc_timeout.cfg = cfg; schedule_delayed_work(&fw_assoc_timeout.delay_work, msecs_to_jiffies(FW_ASSOC_WATCHDOG_TIME)); fw_assoc_timeout.fw_assoc_watchdog_started = TRUE; WL_INFORM(("fw_assoc_watchdog_started\n")); } } err = -ENODEV; return err; } if (fw_assoc_timeout.fw_assoc_watchdog_started) { WL_INFORM(("cancelling fw_assoc_watchdog work\n")); wl_fw_assoc_timeout_cancel(); } curmacp = wl_read_prof(cfg, dev, WL_PROF_BSSID); if (memcmp(mac, curmacp, ETHER_ADDR_LEN)) { WL_ERR(("Wrong Mac address: "MACDBG" != "MACDBG"\n", MAC2STRDBG(mac), MAC2STRDBG(curmacp))); } /* Report the current tx rate */ err = wldev_ioctl(dev, WLC_GET_RATE, &rate, sizeof(rate), false); if (err) { WL_ERR(("Could not get rate (%d)\n", err)); } else { #if defined(USE_DYNAMIC_MAXPKT_RXGLOM) int rxpktglom; #endif rate = dtoh32(rate); sinfo->filled |= STA_INFO_BIT(INFO_TX_BITRATE); sinfo->txrate.legacy = rate * 5; WL_DBG(("Rate %d Mbps\n", (rate / 2))); #if defined(USE_DYNAMIC_MAXPKT_RXGLOM) rxpktglom = ((rate/2) > 150) ? 20 : 10; if (maxrxpktglom != rxpktglom) { maxrxpktglom = rxpktglom; WL_DBG(("Rate %d Mbps, update bus:maxtxpktglom=%d\n", (rate/2), maxrxpktglom)); err = wldev_iovar_setbuf(dev, "bus:maxtxpktglom", (char*)&maxrxpktglom, 4, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, NULL); if (err < 0) { WL_ERR(("set bus:maxtxpktglom failed, %d\n", err)); } } #endif } memset(&scb_val, 0, sizeof(scb_val)); scb_val.val = 0; err = wldev_ioctl(dev, WLC_GET_RSSI, &scb_val, sizeof(scb_val_t), false); if (err) { WL_ERR(("Could not get rssi (%d)\n", err)); goto get_station_err; } #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA TEGRA_SYSFS_HISTOGRAM_DRIVER_STAT_INC(aggr_num_rssi_ioctl); #endif /* CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA */ rssi = wl_rssi_offset(dtoh32(scb_val.val)); sinfo->filled |= STA_INFO_BIT(INFO_SIGNAL); sinfo->signal = rssi; WL_DBG(("RSSI %d dBm\n", rssi)); memset(&pktcnt, 0, sizeof(pktcnt)); err = wldev_ioctl(dev, WLC_GET_PKTCNTS, &pktcnt, sizeof(pktcnt), false); if (!err) { sinfo->filled |= (STA_INFO_BIT(INFO_RX_PACKETS) | STA_INFO_BIT(INFO_RX_DROP_MISC) | STA_INFO_BIT(INFO_TX_PACKETS) | STA_INFO_BIT(INFO_TX_FAILED)); sinfo->rx_packets = pktcnt.rx_good_pkt; sinfo->rx_dropped_misc = pktcnt.rx_bad_pkt; sinfo->tx_packets = pktcnt.tx_good_pkt; sinfo->tx_failed = pktcnt.tx_bad_pkt; } get_station_err: if (err && (err != -ERESTARTSYS)) { /* Disconnect due to zero BSSID or error to get RSSI */ WL_ERR(("force cfg80211_disconnected: %d\n", err)); wl_clr_drv_status(cfg, CONNECTED, dev); CFG80211_DISCONNECTED(dev, 0, NULL, 0, false, GFP_KERNEL); wl_link_down(cfg); } } else { WL_ERR(("Invalid device mode %d\n", wl_get_mode_by_netdev(cfg, dev))); } return err; } static s32 wl_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, bool enabled, s32 timeout) { s32 pm; s32 err = 0; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_info *_net_info = wl_get_netinfo_by_netdev(cfg, dev); /* Store preferred power mode to be checked when triggering * delayed worker for enabling power mode */ cfg->pwr_save = enabled; RETURN_EIO_IF_NOT_UP(cfg); WL_DBG(("Enter\n")); if (cfg->p2p_net == dev || _net_info == NULL || cfg->vsdb_mode) { return err; } /* Delete pm_enable_work */ wl_add_remove_pm_enable_work(cfg, FALSE, WL_HANDLER_PEND); pm = enabled ? PM_FAST : PM_OFF; if (_net_info->pm_block) { WL_ERR(("%s:Do not enable the power save for pm_block %d\n", dev->name, _net_info->pm_block)); pm = PM_OFF; } pm = htod32(pm); WL_DBG(("%s:power save %s\n", dev->name, (pm ? "enabled" : "disabled"))); err = wldev_ioctl(dev, WLC_SET_PM, &pm, sizeof(pm), true); if (unlikely(err)) { if (err == -ENODEV) WL_DBG(("net_device is not ready yet\n")); else WL_ERR(("error (%d)\n", err)); return err; } wl_cfg80211_update_power_mode(dev); return err; } void wl_cfg80211_update_power_mode(struct net_device *dev) { int err, pm = -1; err = wldev_ioctl(dev, WLC_GET_PM, &pm, sizeof(pm), true); if (err) WL_ERR(("%s:error (%d)\n", __FUNCTION__, err)); else if (pm != -1 && dev->ieee80211_ptr) dev->ieee80211_ptr->ps = (pm == PM_OFF) ? false : true; } static __used u32 wl_find_msb(u16 bit16) { u32 ret = 0; if (bit16 & 0xff00) { ret += 8; bit16 >>= 8; } if (bit16 & 0xf0) { ret += 4; bit16 >>= 4; } if (bit16 & 0xc) { ret += 2; bit16 >>= 2; } if (bit16 & 2) ret += bit16 & 2; else if (bit16) ret += bit16; return ret; } static s32 wl_cfg80211_resume(struct wiphy *wiphy) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); s32 err = 0; if (unlikely(!wl_get_drv_status(cfg, READY, ndev))) { WL_INFORM(("device is not ready\n")); return 0; } return err; } #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) static s32 wl_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow) #else static s32 wl_cfg80211_suspend(struct wiphy *wiphy) #endif { #ifdef DHD_CLEAR_ON_SUSPEND struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_info *iter, *next; struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 7, 0)) struct cfg80211_scan_info info = {0}; #endif unsigned long flags; if (unlikely(!wl_get_drv_status(cfg, READY, ndev))) { WL_INFORM(("device is not ready : status (%d)\n", (int)cfg->status)); return 0; } for_each_ndev(cfg, iter, next) wl_set_drv_status(cfg, SCAN_ABORTING, iter->ndev); spin_lock_irqsave(&cfg->cfgdrv_lock, flags); if (cfg->scan_request) { #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA TEGRA_SCAN_DONE(cfg->scan_request, true) #endif #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 7, 0)) info.aborted = true; cfg80211_scan_done(cfg->scan_request, &info); #else cfg80211_scan_done(cfg->scan_request, true); #endif #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA skip_cfg80211_scan_done: #endif cfg->scan_request = NULL; } for_each_ndev(cfg, iter, next) { wl_clr_drv_status(cfg, SCANNING, iter->ndev); wl_clr_drv_status(cfg, SCAN_ABORTING, iter->ndev); } spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags); for_each_ndev(cfg, iter, next) { if (wl_get_drv_status(cfg, CONNECTING, iter->ndev)) { wl_bss_connect_done(cfg, iter->ndev, NULL, NULL, false); } } #endif /* DHD_CLEAR_ON_SUSPEND */ return 0; } static s32 wl_update_pmklist(struct net_device *dev, struct wl_pmk_list *pmk_list, s32 err) { int i, j; struct bcm_cfg80211 *cfg = g_bcm_cfg; struct net_device *primary_dev = bcmcfg_to_prmry_ndev(cfg); if (!pmk_list) { printk("pmk_list is NULL\n"); return -EINVAL; } /* pmk list is supported only for STA interface i.e. primary interface * Refer code wlc_bsscfg.c->wlc_bsscfg_sta_init */ if (primary_dev != dev) { WL_INFORM(("Not supporting Flushing pmklist on virtual" " interfaces than primary interface\n")); return err; } WL_DBG(("No of elements %d\n", pmk_list->pmkids.npmkid)); for (i = 0; i < pmk_list->pmkids.npmkid; i++) { WL_DBG(("PMKID[%d]: %pM =\n", i, &pmk_list->pmkids.pmkid[i].BSSID)); for (j = 0; j < WPA2_PMKID_LEN; j++) { WL_DBG(("%02x\n", pmk_list->pmkids.pmkid[i].PMKID[j])); } } if (likely(!err)) { err = wldev_iovar_setbuf(dev, "pmkid_info", (char *)pmk_list, sizeof(*pmk_list), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); } return err; } static s32 wl_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_pmksa *pmksa) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 err = 0; int i; if (pmksa == NULL) { WL_ERR(("pmksa is null\n")); return -EINVAL; } RETURN_EIO_IF_NOT_UP(cfg); for (i = 0; i < cfg->pmk_list->pmkids.npmkid; i++) if (!memcmp(pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID, ETHER_ADDR_LEN)) break; if (i < WL_NUM_PMKIDS_MAX) { memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID, pmksa->bssid, ETHER_ADDR_LEN); memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID, pmksa->pmkid, WPA2_PMKID_LEN); if (i == cfg->pmk_list->pmkids.npmkid) cfg->pmk_list->pmkids.npmkid++; } else { err = -EINVAL; } WL_DBG(("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n", &cfg->pmk_list->pmkids.pmkid[cfg->pmk_list->pmkids.npmkid - 1].BSSID)); for (i = 0; i < WPA2_PMKID_LEN; i++) { WL_DBG(("%02x\n", cfg->pmk_list->pmkids.pmkid[cfg->pmk_list->pmkids.npmkid - 1]. PMKID[i])); } err = wl_update_pmklist(dev, cfg->pmk_list, err); return err; } static s32 wl_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_pmksa *pmksa) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct _pmkid_list pmkid = {0}; s32 err = 0; int i; if (pmksa == NULL) { WL_ERR(("pmksa is null\n")); return -EINVAL; } RETURN_EIO_IF_NOT_UP(cfg); memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETHER_ADDR_LEN); memcpy(pmkid.pmkid[0].PMKID, pmksa->pmkid, WPA2_PMKID_LEN); WL_DBG(("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n", &pmkid.pmkid[0].BSSID)); for (i = 0; i < WPA2_PMKID_LEN; i++) { WL_DBG(("%02x\n", pmkid.pmkid[0].PMKID[i])); } for (i = 0; i < cfg->pmk_list->pmkids.npmkid; i++) if (!memcmp (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID, ETHER_ADDR_LEN)) break; if ((cfg->pmk_list->pmkids.npmkid > 0) && (i < cfg->pmk_list->pmkids.npmkid)) { memset(&cfg->pmk_list->pmkids.pmkid[i], 0, sizeof(pmkid_t)); for (; i < (cfg->pmk_list->pmkids.npmkid - 1); i++) { memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID, &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID, ETHER_ADDR_LEN); memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID, &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID, WPA2_PMKID_LEN); } cfg->pmk_list->pmkids.npmkid--; } else { err = -EINVAL; } err = wl_update_pmklist(dev, cfg->pmk_list, err); return err; } static s32 wl_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *dev) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 err = 0; RETURN_EIO_IF_NOT_UP(cfg); memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list)); err = wl_update_pmklist(dev, cfg->pmk_list, err); return err; } static wl_scan_params_t * wl_cfg80211_scan_alloc_params(int channel, int nprobes, int *out_params_size) { wl_scan_params_t *params; int params_size; int num_chans; *out_params_size = 0; /* Our scan params only need space for 1 channel and 0 ssids */ params_size = WL_SCAN_PARAMS_FIXED_SIZE + 1 * sizeof(uint16); params = (wl_scan_params_t*) kzalloc(params_size, GFP_KERNEL); if (params == NULL) { WL_ERR(("mem alloc failed (%d bytes)\n", params_size)); return params; } memset(params, 0, params_size); params->nprobes = nprobes; num_chans = (channel == 0) ? 0 : 1; memcpy(¶ms->bssid, ðer_bcast, ETHER_ADDR_LEN); params->bss_type = DOT11_BSSTYPE_ANY; params->scan_type = DOT11_SCANTYPE_ACTIVE; params->nprobes = htod32(1); params->active_time = htod32(-1); params->passive_time = htod32(-1); params->home_time = htod32(10); if (channel == -1) params->channel_list[0] = htodchanspec(channel); else params->channel_list[0] = wl_ch_host_to_driver(channel); /* Our scan params have 1 channel and 0 ssids */ params->channel_num = htod32((0 << WL_SCAN_PARAMS_NSSID_SHIFT) | (num_chans & WL_SCAN_PARAMS_COUNT_MASK)); *out_params_size = params_size; /* rtn size to the caller */ return params; } #if defined(WL_CFG80211_P2P_DEV_IF) static s32 wl_cfg80211_remain_on_channel(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, struct ieee80211_channel *channel, unsigned int duration, u64 *cookie) #else static s32 wl_cfg80211_remain_on_channel(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, struct ieee80211_channel * channel, enum nl80211_channel_type channel_type, unsigned int duration, u64 *cookie) #endif /* WL_CFG80211_P2P_DEV_IF */ { s32 target_channel; u32 id; s32 err = BCME_OK; struct ether_addr primary_mac; struct net_device *ndev = NULL; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); if (!cfg) return -EINVAL; ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); WL_DBG(("Enter, channel: %d, duration ms (%d) SCANNING ?? %s \n", ieee80211_frequency_to_channel(channel->center_freq), duration, (wl_get_drv_status(cfg, SCANNING, ndev)) ? "YES":"NO")); if (!cfg->p2p) { WL_ERR(("cfg->p2p is not initialized\n")); err = BCME_ERROR; goto exit; } #ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST if (wl_get_drv_status_all(cfg, SCANNING)) { wl_notify_escan_complete(cfg, cfg->escan_info.ndev, true, true); } #endif /* not WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ target_channel = ieee80211_frequency_to_channel(channel->center_freq); memcpy(&cfg->remain_on_chan, channel, sizeof(struct ieee80211_channel)); #if defined(WL_ENABLE_P2P_IF) cfg->remain_on_chan_type = channel_type; #endif /* WL_ENABLE_P2P_IF */ id = ++cfg->last_roc_id; if (id == 0) id = ++cfg->last_roc_id; *cookie = id; #ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST if (wl_get_drv_status(cfg, SCANNING, ndev)) { struct timer_list *_timer; WL_DBG(("scan is running. go to fake listen state\n")); if (duration > LONG_LISTEN_TIME) { wl_cfg80211_scan_abort(cfg); } else { wl_set_drv_status(cfg, FAKE_REMAINING_ON_CHANNEL, ndev); if (timer_pending(&cfg->p2p->listen_timer)) { WL_DBG(("cancel current listen timer \n")); del_timer_sync(&cfg->p2p->listen_timer); } _timer = &cfg->p2p->listen_timer; wl_clr_p2p_status(cfg, LISTEN_EXPIRED); INIT_TIMER(_timer, wl_cfgp2p_listen_expired, duration, 0); err = BCME_OK; goto exit; } } #endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ #ifdef WL_CFG80211_SYNC_GON if (wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM_LISTEN)) { /* do not enter listen mode again if we are in listen mode already for next af. * remain on channel completion will be returned by waiting next af completion. */ #ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST wl_set_drv_status(cfg, FAKE_REMAINING_ON_CHANNEL, ndev); #else wl_set_drv_status(cfg, REMAINING_ON_CHANNEL, ndev); #endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ goto exit; } #endif /* WL_CFG80211_SYNC_GON */ if (cfg->p2p && !cfg->p2p->on) { /* In case of p2p_listen command, supplicant send remain_on_channel * without turning on P2P */ get_primary_mac(cfg, &primary_mac); wl_cfgp2p_generate_bss_mac(&primary_mac, &cfg->p2p->dev_addr, &cfg->p2p->int_addr); p2p_on(cfg) = true; } if (p2p_is_on(cfg)) { err = wl_cfgp2p_enable_discovery(cfg, ndev, NULL, 0); if (unlikely(err)) { goto exit; } #ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST wl_set_drv_status(cfg, REMAINING_ON_CHANNEL, ndev); #endif /* not WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ err = wl_cfgp2p_discover_listen(cfg, target_channel, duration); #ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST if (err == BCME_OK) { wl_set_drv_status(cfg, REMAINING_ON_CHANNEL, ndev); } else { /* if failed, firmware may be internal scanning state. * so other scan request shall not abort it */ wl_set_drv_status(cfg, FAKE_REMAINING_ON_CHANNEL, ndev); } #endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ /* WAR: set err = ok to prevent cookie mismatch in wpa_supplicant * and expire timer will send a completion to the upper layer */ err = BCME_OK; } exit: if (err == BCME_OK) { WL_INFORM(("Success\n")); #if defined(WL_CFG80211_P2P_DEV_IF) cfg80211_ready_on_channel(cfgdev, *cookie, channel, duration, GFP_KERNEL); #else cfg80211_ready_on_channel(cfgdev, *cookie, channel, channel_type, duration, GFP_KERNEL); #endif /* WL_CFG80211_P2P_DEV_IF */ } else { WL_ERR(("Fail to Set (err=%d cookie:%llu)\n", err, *cookie)); } return err; } static s32 wl_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, u64 cookie) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 err = 0; #ifdef P2PLISTEN_AP_SAMECHN struct bcm_cfg80211 *cfg = g_bcm_cfg; struct net_device *dev; #endif /* P2PLISTEN_AP_SAMECHN */ RETURN_EIO_IF_NOT_UP(cfg); #if defined(WL_CFG80211_P2P_DEV_IF) if (cfgdev->iftype == NL80211_IFTYPE_P2P_DEVICE) { WL_DBG((" enter ) on P2P dedicated discover interface\n")); } #else WL_DBG((" enter ) netdev_ifidx: %d \n", cfgdev->ifindex)); #endif /* WL_CFG80211_P2P_DEV_IF */ #ifdef P2PLISTEN_AP_SAMECHN if (cfg && cfg->p2p_resp_apchn_status) { dev = bcmcfg_to_prmry_ndev(cfg); wl_cfg80211_set_p2p_resp_ap_chn(dev, 0); cfg->p2p_resp_apchn_status = false; WL_DBG(("p2p_resp_apchn_status Turn OFF \n")); } #endif /* P2PLISTEN_AP_SAMECHN */ if (cfg->last_roc_id == cookie) { wl_cfgp2p_set_p2p_mode(cfg, WL_P2P_DISC_ST_SCAN, 0, 0, wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE)); } else { WL_ERR(("%s : ignore, request cookie(%llu) is not matched. (cur : %llu)\n", __FUNCTION__, cookie, cfg->last_roc_id)); } return err; } static void wl_cfg80211_afx_handler(struct work_struct *work) { struct afx_hdl *afx_instance; struct bcm_cfg80211 *cfg = g_bcm_cfg; s32 ret = BCME_OK; afx_instance = container_of(work, struct afx_hdl, work); if (afx_instance != NULL && cfg->afx_hdl->is_active) { if (cfg->afx_hdl->is_listen && cfg->afx_hdl->my_listen_chan) { ret = wl_cfgp2p_discover_listen(cfg, cfg->afx_hdl->my_listen_chan, (100 * (1 + (RANDOM32() % 3)))); /* 100ms ~ 300ms */ } else { ret = wl_cfgp2p_act_frm_search(cfg, cfg->afx_hdl->dev, cfg->afx_hdl->bssidx, cfg->afx_hdl->peer_listen_chan, NULL); } if (unlikely(ret != BCME_OK)) { WL_ERR(("ERROR occurred! returned value is (%d)\n", ret)); if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) complete(&cfg->act_frm_scan); } } } static s32 wl_cfg80211_af_searching_channel(struct bcm_cfg80211 *cfg, struct net_device *dev) { u32 max_retry = WL_CHANNEL_SYNC_RETRY; if (dev == NULL) return -1; WL_DBG((" enter ) \n")); wl_set_drv_status(cfg, FINDING_COMMON_CHANNEL, dev); cfg->afx_hdl->is_active = TRUE; /* Loop to wait until we find a peer's channel or the * pending action frame tx is cancelled. */ while ((cfg->afx_hdl->retry < max_retry) && (cfg->afx_hdl->peer_chan == WL_INVALID)) { cfg->afx_hdl->is_listen = FALSE; wl_set_drv_status(cfg, SCANNING, dev); WL_DBG(("Scheduling the action frame for sending.. retry %d\n", cfg->afx_hdl->retry)); /* search peer on peer's listen channel */ schedule_work(&cfg->afx_hdl->work); wait_for_completion_timeout(&cfg->act_frm_scan, msecs_to_jiffies(WL_AF_SEARCH_TIME_MAX)); if ((cfg->afx_hdl->peer_chan != WL_INVALID) || !(wl_get_drv_status(cfg, FINDING_COMMON_CHANNEL, dev))) break; if (cfg->afx_hdl->my_listen_chan) { WL_DBG(("Scheduling Listen peer in my listen channel = %d\n", cfg->afx_hdl->my_listen_chan)); /* listen on my listen channel */ cfg->afx_hdl->is_listen = TRUE; schedule_work(&cfg->afx_hdl->work); wait_for_completion_timeout(&cfg->act_frm_scan, msecs_to_jiffies(WL_AF_SEARCH_TIME_MAX)); } if ((cfg->afx_hdl->peer_chan != WL_INVALID) || !(wl_get_drv_status(cfg, FINDING_COMMON_CHANNEL, dev))) break; cfg->afx_hdl->retry++; WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(cfg); } cfg->afx_hdl->is_active = FALSE; wl_clr_drv_status(cfg, SCANNING, dev); wl_clr_drv_status(cfg, FINDING_COMMON_CHANNEL, dev); return (cfg->afx_hdl->peer_chan); } struct p2p_config_af_params { s32 max_tx_retry; /* max tx retry count if tx no ack */ /* To make sure to send successfully action frame, we have to turn off mpc * 0: off, 1: on, (-1): do nothing */ s32 mpc_onoff; #ifdef WL_CFG80211_SYNC_GON bool extra_listen; #endif bool search_channel; /* 1: search peer's channel to send af */ }; static s32 wl_cfg80211_config_p2p_pub_af_tx(struct wiphy *wiphy, wl_action_frame_t *action_frame, wl_af_params_t *af_params, struct p2p_config_af_params *config_af_params) { s32 err = BCME_OK; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); wifi_p2p_pub_act_frame_t *act_frm = (wifi_p2p_pub_act_frame_t *) (action_frame->data); /* initialize default value */ #ifdef WL_CFG80211_SYNC_GON config_af_params->extra_listen = true; #endif config_af_params->search_channel = false; config_af_params->max_tx_retry = WL_AF_TX_MAX_RETRY; config_af_params->mpc_onoff = -1; cfg->next_af_subtype = P2P_PAF_SUBTYPE_INVALID; switch (act_frm->subtype) { case P2P_PAF_GON_REQ: { WL_DBG(("P2P: GO_NEG_PHASE status set \n")); wl_set_p2p_status(cfg, GO_NEG_PHASE); config_af_params->mpc_onoff = 0; config_af_params->search_channel = true; cfg->next_af_subtype = act_frm->subtype + 1; /* increase dwell time to wait for RESP frame */ af_params->dwell_time = WL_MED_DWELL_TIME; break; } case P2P_PAF_GON_RSP: { cfg->next_af_subtype = act_frm->subtype + 1; /* increase dwell time to wait for CONF frame */ af_params->dwell_time = WL_MED_DWELL_TIME + 100; break; } case P2P_PAF_GON_CONF: { /* If we reached till GO Neg confirmation reset the filter */ WL_DBG(("P2P: GO_NEG_PHASE status cleared \n")); wl_clr_p2p_status(cfg, GO_NEG_PHASE); /* turn on mpc again if go nego is done */ config_af_params->mpc_onoff = 1; /* minimize dwell time */ af_params->dwell_time = WL_MIN_DWELL_TIME; #ifdef WL_CFG80211_SYNC_GON config_af_params->extra_listen = false; #endif /* WL_CFG80211_SYNC_GON */ break; } case P2P_PAF_INVITE_REQ: { config_af_params->search_channel = true; cfg->next_af_subtype = act_frm->subtype + 1; /* increase dwell time */ af_params->dwell_time = WL_MED_DWELL_TIME; break; } case P2P_PAF_INVITE_RSP: /* minimize dwell time */ af_params->dwell_time = WL_MIN_DWELL_TIME; #ifdef WL_CFG80211_SYNC_GON config_af_params->extra_listen = false; #endif /* WL_CFG80211_SYNC_GON */ break; case P2P_PAF_DEVDIS_REQ: { if (IS_ACTPUB_WITHOUT_GROUP_ID(&act_frm->elts[0], action_frame->len)) { config_af_params->search_channel = true; } cfg->next_af_subtype = act_frm->subtype + 1; /* maximize dwell time to wait for RESP frame */ af_params->dwell_time = WL_LONG_DWELL_TIME; break; } case P2P_PAF_DEVDIS_RSP: /* minimize dwell time */ af_params->dwell_time = WL_MIN_DWELL_TIME; #ifdef WL_CFG80211_SYNC_GON config_af_params->extra_listen = false; #endif /* WL_CFG80211_SYNC_GON */ break; case P2P_PAF_PROVDIS_REQ: { if (IS_ACTPUB_WITHOUT_GROUP_ID(&act_frm->elts[0], action_frame->len)) { config_af_params->search_channel = true; } config_af_params->mpc_onoff = 0; cfg->next_af_subtype = act_frm->subtype + 1; /* increase dwell time to wait for RESP frame */ af_params->dwell_time = WL_MED_DWELL_TIME; break; } case P2P_PAF_PROVDIS_RSP: { cfg->next_af_subtype = P2P_PAF_GON_REQ; af_params->dwell_time = WL_MIN_DWELL_TIME; #ifdef WL_CFG80211_SYNC_GON config_af_params->extra_listen = false; #endif /* WL_CFG80211_SYNC_GON */ break; } default: WL_DBG(("Unknown p2p pub act frame subtype: %d\n", act_frm->subtype)); err = BCME_BADARG; } return err; } #ifdef WL11U static bool wl_cfg80211_check_DFS_channel(struct bcm_cfg80211 *cfg, wl_af_params_t *af_params, void *frame, u16 frame_len) { struct wl_scan_results *bss_list; struct wl_bss_info *bi = NULL; bool result = false; s32 i; chanspec_t chanspec; /* If DFS channel is 52~148, check to block it or not */ if (af_params && (af_params->channel >= 52 && af_params->channel <= 148)) { if (!wl_cfgp2p_is_p2p_action(frame, frame_len)) { bss_list = cfg->bss_list; bi = next_bss(bss_list, bi); for_each_bss(bss_list, bi, i) { chanspec = wl_chspec_driver_to_host(bi->chanspec); if (CHSPEC_IS5G(chanspec) && ((bi->ctl_ch ? bi->ctl_ch : CHSPEC_CHANNEL(chanspec)) == af_params->channel)) { result = true; /* do not block the action frame */ break; } } } } else { result = true; } WL_DBG(("result=%s", result?"true":"false")); return result; } #endif /* WL11U */ static bool wl_cfg80211_send_action_frame(struct wiphy *wiphy, struct net_device *dev, bcm_struct_cfgdev *cfgdev, wl_af_params_t *af_params, wl_action_frame_t *action_frame, u16 action_frame_len, s32 bssidx) { #ifdef WL11U struct net_device *ndev = NULL; #endif /* WL11U */ struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); bool ack = false; u8 category, action; s32 tx_retry; struct p2p_config_af_params config_af_params; #ifdef VSDB ulong off_chan_started_jiffies = 0; #endif dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); /* Add the default dwell time * Dwell time to stay off-channel to wait for a response action frame * after transmitting an GO Negotiation action frame */ af_params->dwell_time = WL_DWELL_TIME; #ifdef WL11U if (bcmdhd_wl11u) { #if defined(WL_CFG80211_P2P_DEV_IF) ndev = dev; #else ndev = ndev_to_cfgdev(cfgdev); #endif /* WL_CFG80211_P2P_DEV_IF */ } #endif /* WL11U */ category = action_frame->data[DOT11_ACTION_CAT_OFF]; action = action_frame->data[DOT11_ACTION_ACT_OFF]; /* initialize variables */ tx_retry = 0; cfg->next_af_subtype = P2P_PAF_SUBTYPE_INVALID; config_af_params.max_tx_retry = WL_AF_TX_MAX_RETRY; config_af_params.mpc_onoff = -1; config_af_params.search_channel = false; #ifdef WL_CFG80211_SYNC_GON config_af_params.extra_listen = false; #endif /* config parameters */ /* Public Action Frame Process - DOT11_ACTION_CAT_PUBLIC */ if (category == DOT11_ACTION_CAT_PUBLIC) { if ((action == P2P_PUB_AF_ACTION) && (action_frame_len >= sizeof(wifi_p2p_pub_act_frame_t))) { /* p2p public action frame process */ if (BCME_OK != wl_cfg80211_config_p2p_pub_af_tx(wiphy, action_frame, af_params, &config_af_params)) { WL_DBG(("Unknown subtype.\n")); } } else if (action_frame_len >= sizeof(wifi_p2psd_gas_pub_act_frame_t)) { /* service discovery process */ if (action == P2PSD_ACTION_ID_GAS_IREQ || action == P2PSD_ACTION_ID_GAS_CREQ) { /* configure service discovery query frame */ config_af_params.search_channel = true; /* save next af suptype to cancel remained dwell time */ cfg->next_af_subtype = action + 1; af_params->dwell_time = WL_MED_DWELL_TIME; } else if (action == P2PSD_ACTION_ID_GAS_IRESP || action == P2PSD_ACTION_ID_GAS_CRESP) { /* configure service discovery response frame */ af_params->dwell_time = WL_MIN_DWELL_TIME; } else { WL_DBG(("Unknown action type: %d\n", action)); } } else { WL_DBG(("Unknown Frame: category 0x%x, action 0x%x, length %d\n", category, action, action_frame_len)); } } else if (category == P2P_AF_CATEGORY) { /* do not configure anything. it will be sent with a default configuration */ } else { WL_DBG(("Unknown Frame: category 0x%x, action 0x%x\n", category, action)); if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) { wl_clr_drv_status(cfg, SENDING_ACT_FRM, dev); return false; } } /* To make sure to send successfully action frame, we have to turn off mpc */ if (config_af_params.mpc_onoff == 0) { wldev_iovar_setint(dev, "mpc", 0); } /* validate channel and p2p ies */ if (config_af_params.search_channel && IS_P2P_SOCIAL(af_params->channel) && wl_to_p2p_bss_saved_ie(cfg, P2PAPI_BSSCFG_DEVICE).p2p_probe_req_ie_len) { config_af_params.search_channel = true; } else { config_af_params.search_channel = false; } #ifdef WL11U if (bcmdhd_wl11u) { if (ndev == bcmcfg_to_prmry_ndev(cfg)) config_af_params.search_channel = false; } #endif /* WL11U */ #ifdef VSDB /* if connecting on primary iface, sleep for a while before sending af tx for VSDB */ if (wl_get_drv_status(cfg, CONNECTING, bcmcfg_to_prmry_ndev(cfg))) { OSL_SLEEP(50); } #endif /* if scan is ongoing, abort current scan. */ if (wl_get_drv_status_all(cfg, SCANNING)) { wl_notify_escan_complete(cfg, cfg->escan_info.ndev, true, true); } /* Abort P2P listen */ if (discover_cfgdev(cfgdev, cfg)) { if (cfg->p2p_supported && cfg->p2p) { wl_cfgp2p_set_p2p_mode(cfg, WL_P2P_DISC_ST_SCAN, 0, 0, wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE)); } } #ifdef WL11U if (bcmdhd_wl11u) { /* handling DFS channel exceptions */ if (!wl_cfg80211_check_DFS_channel(cfg, af_params, action_frame->data, action_frame->len)) { return false; /* the action frame was blocked */ } } #endif /* WL11U */ /* set status and destination address before sending af */ if (cfg->next_af_subtype != P2P_PAF_SUBTYPE_INVALID) { /* set this status to cancel the remained dwell time in rx process */ wl_set_drv_status(cfg, WAITING_NEXT_ACT_FRM, dev); } wl_set_drv_status(cfg, SENDING_ACT_FRM, dev); memcpy(cfg->afx_hdl->tx_dst_addr.octet, af_params->action_frame.da.octet, sizeof(cfg->afx_hdl->tx_dst_addr.octet)); /* save af_params for rx process */ cfg->afx_hdl->pending_tx_act_frm = af_params; if (wl_cfgp2p_is_p2p_gas_action(action_frame->data, action_frame->len)) { WL_DBG(("Set GAS action frame config.\n")); config_af_params.search_channel = false; config_af_params.max_tx_retry = 1; } /* search peer's channel */ if (config_af_params.search_channel) { /* initialize afx_hdl */ if (wl_cfgp2p_find_idx(cfg, dev, &cfg->afx_hdl->bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); goto exit; } cfg->afx_hdl->dev = dev; cfg->afx_hdl->retry = 0; cfg->afx_hdl->peer_chan = WL_INVALID; if (wl_cfg80211_af_searching_channel(cfg, dev) == WL_INVALID) { WL_ERR(("couldn't find peer's channel.\n")); wl_cfgp2p_print_actframe(true, action_frame->data, action_frame->len, af_params->channel); goto exit; } wl_clr_drv_status(cfg, SCANNING, cfg->afx_hdl->dev); /* * Abort scan even for VSDB scenarios. Scan gets aborted in firmware * but after the check of piggyback algorithm. * To take care of current piggback algo, lets abort the scan here itself. */ wl_notify_escan_complete(cfg, dev, true, true); /* Suspend P2P discovery's search-listen to prevent it from * starting a scan or changing the channel. */ wl_cfgp2p_discover_enable_search(cfg, false); /* update channel */ af_params->channel = cfg->afx_hdl->peer_chan; } #ifdef VSDB off_chan_started_jiffies = jiffies; #endif /* VSDB */ wl_cfgp2p_print_actframe(true, action_frame->data, action_frame->len, af_params->channel); wl_cfgp2p_need_wait_actfrmae(cfg, action_frame->data, action_frame->len, true); /* Now send a tx action frame */ ack = wl_cfgp2p_tx_action_frame(cfg, dev, af_params, bssidx) ? false : true; /* if failed, retry it. tx_retry_max value is configure by .... */ while ((ack == false) && (tx_retry++ < config_af_params.max_tx_retry)) { #ifdef VSDB if (af_params->channel) { if (jiffies_to_msecs(jiffies - off_chan_started_jiffies) > OFF_CHAN_TIME_THRESHOLD_MS) { WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(cfg); off_chan_started_jiffies = jiffies; } else OSL_SLEEP(AF_RETRY_DELAY_TIME); } #endif /* VSDB */ ack = wl_cfgp2p_tx_action_frame(cfg, dev, af_params, bssidx) ? false : true; } if (ack == false) { WL_ERR(("Failed to send Action Frame(retry %d)\n", tx_retry)); } WL_DBG(("Complete to send action frame\n")); exit: /* Clear SENDING_ACT_FRM after all sending af is done */ wl_clr_drv_status(cfg, SENDING_ACT_FRM, dev); #ifdef WL_CFG80211_SYNC_GON /* WAR: sometimes dongle does not keep the dwell time of 'actframe'. * if we coundn't get the next action response frame and dongle does not keep * the dwell time, go to listen state again to get next action response frame. */ if (ack && config_af_params.extra_listen && wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM) && cfg->af_sent_channel == cfg->afx_hdl->my_listen_chan) { s32 extar_listen_time; extar_listen_time = af_params->dwell_time - jiffies_to_msecs(jiffies - cfg->af_tx_sent_jiffies); if (extar_listen_time > 50) { wl_set_drv_status(cfg, WAITING_NEXT_ACT_FRM_LISTEN, dev); WL_DBG(("Wait more time! actual af time:%d," "calculated extar listen:%d\n", af_params->dwell_time, extar_listen_time)); if (wl_cfgp2p_discover_listen(cfg, cfg->af_sent_channel, extar_listen_time + 100) == BCME_OK) { wait_for_completion_timeout(&cfg->wait_next_af, msecs_to_jiffies(extar_listen_time + 100 + 300)); } wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM_LISTEN, dev); } } #endif /* WL_CFG80211_SYNC_GON */ wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, dev); if (cfg->afx_hdl->pending_tx_act_frm) cfg->afx_hdl->pending_tx_act_frm = NULL; WL_INFORM(("-- sending Action Frame is %s, listen chan: %d\n", (ack) ? "Succeeded!!":"Failed!!", cfg->afx_hdl->my_listen_chan)); /* if all done, turn mpc on again */ if (config_af_params.mpc_onoff == 1) { wldev_iovar_setint(dev, "mpc", 1); } return ack; } #define MAX_NUM_OF_ASSOCIATED_DEV 64 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) static s32 wl_cfg80211_mgmt_tx(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, struct cfg80211_mgmt_tx_params *params, u64 *cookie) #else static s32 wl_cfg80211_mgmt_tx(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, struct ieee80211_channel *channel, bool offchan, #if (LINUX_VERSION_CODE <= KERNEL_VERSION(3, 7, 0)) enum nl80211_channel_type channel_type, bool channel_type_valid, #endif /* LINUX_VERSION_CODE <= KERNEL_VERSION(3, 7, 0) */ unsigned int wait, const u8* buf, size_t len, #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)) bool no_cck, #endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) bool dont_wait_for_ack, #endif u64 *cookie) #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) */ { wl_action_frame_t *action_frame; wl_af_params_t *af_params; scb_val_t scb_val; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) struct ieee80211_channel *channel = params->chan; const u8 *buf = params->buf; size_t len = params->len; #endif const struct ieee80211_mgmt *mgmt; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct net_device *dev = NULL; s32 err = BCME_OK; s32 bssidx = 0; u32 id; bool ack = false; s8 eabuf[ETHER_ADDR_STR_LEN]; WL_DBG(("Enter \n")); if (!cfg) return -EINVAL; if (len > (ACTION_FRAME_SIZE + DOT11_MGMT_HDR_LEN)) { WL_ERR(("bad length:%zu\n", len)); return BCME_BADARG; } dev = cfgdev_to_wlc_ndev(cfgdev, cfg); if (!dev) { WL_ERR(("dev is NULL\n")); return -EINVAL; } /* set bsscfg idx for iovar (wlan0: P2PAPI_BSSCFG_PRIMARY, p2p: P2PAPI_BSSCFG_DEVICE) */ if (discover_cfgdev(cfgdev, cfg)) { if (!cfg->p2p_supported || !cfg->p2p) { WL_ERR(("P2P doesn't setup completed yet\n")); return -EINVAL; } bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE); } else { if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } } WL_DBG(("TX target bssidx=%d\n", bssidx)); if (p2p_is_on(cfg)) { /* Suspend P2P discovery search-listen to prevent it from changing the * channel. */ if ((err = wl_cfgp2p_discover_enable_search(cfg, false)) < 0) { WL_ERR(("Can not disable discovery mode\n")); return -EFAULT; } } *cookie = 0; id = cfg->send_action_id++; if (id == 0) id = cfg->send_action_id++; *cookie = id; mgmt = (const struct ieee80211_mgmt *)buf; if (ieee80211_is_mgmt(mgmt->frame_control)) { if (ieee80211_is_probe_resp(mgmt->frame_control)) { s32 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN; s32 ie_len = len - ie_offset; #ifdef P2PONEINT if (dev == wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION)) dev = bcmcfg_to_prmry_ndev(cfg); #endif if ((dev == bcmcfg_to_prmry_ndev(cfg)) && cfg->p2p) { bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE); } wl_cfgp2p_set_management_ie(cfg, dev, bssidx, VNDR_IE_PRBRSP_FLAG, (u8 *)(buf + ie_offset), ie_len); cfg80211_mgmt_tx_status(cfgdev, *cookie, buf, len, true, GFP_KERNEL); #if defined(P2P_IE_MISSING_FIX) if (!cfg->p2p_prb_noti) { cfg->p2p_prb_noti = true; WL_DBG(("%s: TX 802_1X Probe Response first time.\n", __FUNCTION__)); } #endif goto exit; } else if (ieee80211_is_disassoc(mgmt->frame_control) || ieee80211_is_deauth(mgmt->frame_control)) { char mac_buf[MAX_NUM_OF_ASSOCIATED_DEV * sizeof(struct ether_addr) + sizeof(uint)] = {0}; int num_associated = 0; struct maclist *assoc_maclist = (struct maclist *)mac_buf; if (!bcmp((const uint8 *)BSSID_BROADCAST, (const struct ether_addr *)mgmt->da, ETHER_ADDR_LEN)) { assoc_maclist->count = MAX_NUM_OF_ASSOCIATED_DEV; err = wldev_ioctl(dev, WLC_GET_ASSOCLIST, assoc_maclist, sizeof(mac_buf), false); if (err < 0) WL_ERR(("WLC_GET_ASSOCLIST error %d\n", err)); else num_associated = assoc_maclist->count; } memcpy(scb_val.ea.octet, mgmt->da, ETH_ALEN); scb_val.val = mgmt->u.disassoc.reason_code; err = wldev_ioctl(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scb_val, sizeof(scb_val_t), true); if (err < 0) WL_ERR(("WLC_SCB_DEAUTHENTICATE_FOR_REASON error %d\n", err)); DHD_NV_INFO(("Disconnect STA : %s scb_val.val %d\n", bcm_ether_ntoa((const struct ether_addr *)mgmt->da, eabuf), scb_val.val)); if (num_associated > 0 && ETHER_ISBCAST(mgmt->da)) wl_delay(400); cfg80211_mgmt_tx_status(cfgdev, *cookie, buf, len, true, GFP_KERNEL); goto exit; } else if (ieee80211_is_action(mgmt->frame_control)) { /* Abort the dwell time of any previous off-channel * action frame that may be still in effect. Sending * off-channel action frames relies on the driver's * scan engine. If a previous off-channel action frame * tx is still in progress (including the dwell time), * then this new action frame will not be sent out. */ /* Do not abort scan for VSDB. Scan will be aborted in firmware if necessary. * And previous off-channel action frame must be ended before new af tx. */ #ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST wl_notify_escan_complete(cfg, dev, true, true); #endif /* not WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ } } else { WL_ERR(("Driver only allows MGMT packet type\n")); goto exit; } af_params = (wl_af_params_t *) kzalloc(WL_WIFI_AF_PARAMS_SIZE, GFP_KERNEL); if (af_params == NULL) { WL_ERR(("unable to allocate frame\n")); return -ENOMEM; } action_frame = &af_params->action_frame; /* Add the packet Id */ action_frame->packetId = *cookie; WL_DBG(("action frame %d\n", action_frame->packetId)); /* Add BSSID */ memcpy(&action_frame->da, &mgmt->da[0], ETHER_ADDR_LEN); memcpy(&af_params->BSSID, &mgmt->bssid[0], ETHER_ADDR_LEN); /* Add the length exepted for 802.11 header */ action_frame->len = len - DOT11_MGMT_HDR_LEN; WL_DBG(("action_frame->len: %d\n", action_frame->len)); /* Add the channel */ af_params->channel = ieee80211_frequency_to_channel(channel->center_freq); /* Save listen_chan for searching common channel */ cfg->afx_hdl->peer_listen_chan = af_params->channel; WL_DBG(("channel from upper layer %d\n", cfg->afx_hdl->peer_listen_chan)); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) af_params->dwell_time = params->wait; #else af_params->dwell_time = wait; #endif memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN], action_frame->len); ack = wl_cfg80211_send_action_frame(wiphy, dev, cfgdev, af_params, action_frame, action_frame->len, bssidx); cfg80211_mgmt_tx_status(cfgdev, *cookie, buf, len, ack, GFP_KERNEL); kfree(af_params); exit: return err; } static void wl_cfg80211_mgmt_frame_register(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, u16 frame_type, bool reg) { WL_DBG(("frame_type: %x, reg: %d\n", frame_type, reg)); if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ)) return; return; } static s32 wl_cfg80211_change_bss(struct wiphy *wiphy, struct net_device *dev, struct bss_parameters *params) { s32 err = 0; s32 ap_isolate = 0; if (params->use_cts_prot >= 0) { } if (params->use_short_preamble >= 0) { } if (params->use_short_slot_time >= 0) { } if (params->basic_rates) { } if (params->ap_isolate >= 0) { ap_isolate = params->ap_isolate; err = wldev_iovar_setint(dev, "ap_isolate", ap_isolate); if (unlikely(err)) { WL_ERR(("set ap_isolate Error (%d)\n", err)); } } if (params->ht_opmode >= 0) { } return 0; } extern u32 restrict_bw_20; static s32 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) wl_cfg80211_set_channel(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_channel *chan, struct cfg80211_chan_def chandef) #else wl_cfg80211_set_channel(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type) #endif { s32 _chan; chanspec_t chspec = 0; chanspec_t fw_chspec = 0; u32 bw = WL_CHANSPEC_BW_40; u32 chanspec = 0; struct net_info *iter, *next; s32 err = BCME_OK; s32 bw_cap = 0; struct { u32 band; u32 bw_cap; } param = {0, 0}; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); #ifdef CUSTOM_SET_CPUCORE dhd_pub_t *dhd; #endif /* CUSTOM_SET_CPUCORE */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) enum nl80211_channel_type channel_type = NL80211_CHAN_HT20; #endif if (!cfg) return -EINVAL; #ifdef CUSTOM_SET_CPUCORE dhd = (dhd_pub_t *)(cfg->pub); #endif /* CUSTOM_SET_CPUCORE */ #ifndef P2PONEINT dev = ndev_to_wlc_ndev(dev, cfg); #endif _chan = ieee80211_frequency_to_channel(chan->center_freq); WL_ERR(("netdev_ifidx(%d), chan_type(%d) target channel(%d) \n", dev->ifindex, channel_type, _chan)); if (chan->band == IEEE80211_BAND_5GHZ) { param.band = WLC_BAND_5G; err = wldev_iovar_getbuf(dev, "bw_cap", ¶m, sizeof(param), cfg->ioctl_buf, WLC_IOCTL_SMLEN, &cfg->ioctl_buf_sync); if (err) { if (err != BCME_UNSUPPORTED) { WL_ERR(("bw_cap failed, %d\n", err)); return err; } else { err = wldev_iovar_getint(dev, "mimo_bw_cap", &bw_cap); if (err) { WL_ERR(("error get mimo_bw_cap (%d)\n", err)); } if (bw_cap != WLC_N_BW_20ALL) { if (restrict_bw_20) bw = WL_CHANSPEC_BW_20; else bw = WL_CHANSPEC_BW_40; } } } else { if (restrict_bw_20) bw = WL_CHANSPEC_BW_20; else { if (WL_BW_CAP_80MHZ(cfg->ioctl_buf[0])) bw = WL_CHANSPEC_BW_80; else if (WL_BW_CAP_40MHZ(cfg->ioctl_buf[0])) bw = WL_CHANSPEC_BW_40; else bw = WL_CHANSPEC_BW_20; } } } else if (chan->band == IEEE80211_BAND_2GHZ) bw = WL_CHANSPEC_BW_20; /* In 5GHz band If AP is connected in 20 MHz then follow AP's bw else 40MHz by default. */ for_each_ndev(cfg, iter, next) { /* In case interface name is not wlan0 put the right interface name. */ if(!strncmp(iter->ndev->name, "wlan0", strlen("wlan0"))) { if (wl_get_drv_status(cfg, CONNECTED, iter->ndev)) { if (chan->band == IEEE80211_BAND_5GHZ) { if(wldev_iovar_getint(iter->ndev, "chanspec", (s32 *)&chanspec) == BCME_OK) { chanspec = wl_chspec_driver_to_host(chanspec); /* bits 11,12 and 13 starting from 0 are bw bits. So, values formed with these bits are 0 ,1, 2, 3, 4, 5, 6 which are mapped to 5, 10, 20 ,40 ,80, 160, 80+80 MHz respectively. In below case, 0x1000 = 2 which is for 20 MHz */ if ((chanspec & 0x3800) == WL_CHANSPEC_BW_20) { bw = WL_CHANSPEC_BW_20; } else if ((chanspec & 0x3800) == WL_CHANSPEC_BW_40) { bw = WL_CHANSPEC_BW_40; } else if ((chanspec & 0x3800) == WL_CHANSPEC_BW_80) { bw = WL_CHANSPEC_BW_80; } else if ((chanspec & 0x3800) == WL_CHANSPEC_BW_160) { bw = WL_CHANSPEC_BW_160; } else if ((chanspec & 0x3800) == WL_CHANSPEC_BW_8080) { bw = WL_CHANSPEC_BW_8080; } } } else { /* In 2.4 GHz supported bw is 20 MHz */ bw = WL_CHANSPEC_BW_20; } } } } set_channel: chspec = wf_channel2chspec(_chan, bw); if (wf_chspec_valid(chspec)) { fw_chspec = wl_chspec_host_to_driver(chspec); if (fw_chspec != INVCHANSPEC) { if ((err = wldev_iovar_setint(dev, "chanspec", fw_chspec)) == BCME_BADCHAN) { if (bw == WL_CHANSPEC_BW_80) goto change_bw; err = wldev_ioctl(dev, WLC_SET_CHANNEL, &_chan, sizeof(_chan), true); if (err < 0) { WL_ERR(("WLC_SET_CHANNEL error %d" "chip may not be supporting this channel\n", err)); } } else if (err) { WL_ERR(("failed to set chanspec error %d\n", err)); } } else { WL_ERR(("failed to convert host chanspec to fw chanspec\n")); err = BCME_ERROR; } } else { change_bw: if (bw == WL_CHANSPEC_BW_80) bw = WL_CHANSPEC_BW_40; else if (bw == WL_CHANSPEC_BW_40) bw = WL_CHANSPEC_BW_20; else bw = 0; if (bw) goto set_channel; WL_ERR(("Invalid chanspec 0x%x\n", chspec)); err = BCME_ERROR; } #ifdef CUSTOM_SET_CPUCORE if (dhd->op_mode == DHD_FLAG_HOSTAP_MODE) { WL_DBG(("SoftAP mode do not need to set cpucore\n")); } else if ((dev == wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION)) && (chspec & WL_CHANSPEC_BW_80)) { /* If GO is vht80 */ dhd->chan_isvht80 |= DHD_FLAG_P2P_MODE; dhd_set_cpucore(dhd, TRUE); } #endif /* CUSTOM_SET_CPUCORE */ return err; } #ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST struct net_device * wl_cfg80211_get_remain_on_channel_ndev(struct bcm_cfg80211 *cfg) { struct net_info *_net_info, *next; list_for_each_entry_safe(_net_info, next, &cfg->net_list, list) { if (_net_info->ndev && test_bit(WL_STATUS_REMAINING_ON_CHANNEL, &_net_info->sme_state)) return _net_info->ndev; } return NULL; } #endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ static s32 wl_validate_opensecurity(struct net_device *dev, s32 bssidx) { s32 err = BCME_OK; /* set auth */ err = wldev_iovar_setint_bsscfg(dev, "auth", 0, bssidx); if (err < 0) { WL_ERR(("auth error %d\n", err)); return BCME_ERROR; } /* set wsec */ err = wldev_iovar_setint_bsscfg(dev, "wsec", 0, bssidx); if (err < 0) { WL_ERR(("wsec error %d\n", err)); return BCME_ERROR; } /* set upper-layer auth */ err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", WPA_AUTH_NONE, bssidx); if (err < 0) { WL_ERR(("wpa_auth error %d\n", err)); return BCME_ERROR; } return 0; } static s32 wl_validate_wpa2ie(struct net_device *dev, bcm_tlv_t *wpa2ie, s32 bssidx) { s32 len = 0; s32 err = BCME_OK; u16 auth = 0; /* d11 open authentication */ u32 wsec; u32 pval = 0; u32 gval = 0; u32 wpa_auth = 0; wpa_suite_mcast_t *mcast; wpa_suite_ucast_t *ucast; wpa_suite_auth_key_mgmt_t *mgmt; wpa_pmkid_list_t *pmkid; int cnt = 0; #ifdef MFP int mfp = 0; struct bcm_cfg80211 *cfg = g_bcm_cfg; #endif /* MFP */ u16 suite_count; u8 rsn_cap[2]; u32 wme_bss_disable; if (wpa2ie == NULL) goto exit; WL_DBG(("Enter \n")); len = wpa2ie->len - WPA2_VERSION_LEN; /* check the mcast cipher */ mcast = (wpa_suite_mcast_t *)&wpa2ie->data[WPA2_VERSION_LEN]; switch (mcast->type) { case WPA_CIPHER_NONE: gval = 0; break; case WPA_CIPHER_WEP_40: case WPA_CIPHER_WEP_104: gval = WEP_ENABLED; break; case WPA_CIPHER_TKIP: gval = TKIP_ENABLED; break; case WPA_CIPHER_AES_CCM: gval = AES_ENABLED; break; default: WL_ERR(("No Security Info\n")); break; } if ((len -= WPA_SUITE_LEN) <= 0) return BCME_BADLEN; /* check the unicast cipher */ ucast = (wpa_suite_ucast_t *)&mcast[1]; suite_count = ltoh16_ua(&ucast->count); switch (ucast->list[0].type) { case WPA_CIPHER_NONE: pval = 0; break; case WPA_CIPHER_WEP_40: case WPA_CIPHER_WEP_104: pval = WEP_ENABLED; break; case WPA_CIPHER_TKIP: pval = TKIP_ENABLED; break; case WPA_CIPHER_AES_CCM: pval = AES_ENABLED; break; default: WL_ERR(("No Security Info\n")); } if ((len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) <= 0) return BCME_BADLEN; /* FOR WPS , set SEC_OW_ENABLED */ wsec = (pval | gval | SES_OW_ENABLED); /* check the AKM */ mgmt = (wpa_suite_auth_key_mgmt_t *)&ucast->list[suite_count]; suite_count = cnt = ltoh16_ua(&mgmt->count); while (cnt--) { switch (mgmt->list[cnt].type) { case RSN_AKM_NONE: wpa_auth = WPA_AUTH_NONE; break; case RSN_AKM_UNSPECIFIED: wpa_auth = WPA2_AUTH_UNSPECIFIED; break; case RSN_AKM_PSK: wpa_auth = WPA2_AUTH_PSK; break; #ifdef MFP case RSN_AKM_MFP_PSK: wpa_auth |= WPA2_AUTH_PSK; wsec |= MFP_SHA256; break; case RSN_AKM_MFP_1X: wpa_auth |= WPA2_AUTH_UNSPECIFIED; wsec |= MFP_SHA256; break; #endif /* MFP */ default: WL_ERR(("No Key Mgmt Info\n")); } } if ((len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) >= RSN_CAP_LEN) { rsn_cap[0] = *(u8 *)&mgmt->list[suite_count]; rsn_cap[1] = *((u8 *)&mgmt->list[suite_count] + 1); if (rsn_cap[0] & (RSN_CAP_16_REPLAY_CNTRS << RSN_CAP_PTK_REPLAY_CNTR_SHIFT)) { wme_bss_disable = 0; } else { wme_bss_disable = 1; } #ifdef MFP if (rsn_cap[0] & RSN_CAP_MFPR) { WL_DBG(("MFP Required \n")); mfp = WL_MFP_REQUIRED; } else if (rsn_cap[0] & RSN_CAP_MFPC) { WL_DBG(("MFP Capable \n")); mfp = WL_MFP_CAPABLE; } #endif /* MFP */ /* set wme_bss_disable to sync RSN Capabilities */ err = wldev_iovar_setint_bsscfg(dev, "wme_bss_disable", wme_bss_disable, bssidx); if (err < 0) { WL_ERR(("wme_bss_disable error %d\n", err)); return BCME_ERROR; } } else { WL_DBG(("There is no RSN Capabilities. remained len %d\n", len)); } #ifdef MFP if ((len -= WPA2_PMKID_COUNT_LEN) >= RSN_GROUPMANAGE_CIPHER_LEN) { err = wldev_iovar_setbuf_bsscfg(dev, "bip", (void *)((u8 *)&mgmt->list[suite_count] + RSN_CAP_LEN + WPA2_PMKID_COUNT_LEN), RSN_GROUPMANAGE_CIPHER_LEN, cfg->ioctl_buf, WLC_IOCTL_SMLEN, bssidx, &cfg->ioctl_buf_sync); if (err < 0) { WL_ERR(("bip set error %d\n", err)); return BCME_ERROR; } } #endif if ((len -= RSN_CAP_LEN) >= WPA2_PMKID_COUNT_LEN) { pmkid = (wpa_pmkid_list_t *)((u8 *)&mgmt->list[suite_count] + RSN_CAP_LEN); cnt = ltoh16_ua(&pmkid->count); if (cnt != 0) { WL_ERR(("AP has non-zero PMKID count. Wrong!\n")); return BCME_ERROR; } /* since PMKID cnt is known to be 0 for AP, */ /* so don't bother to send down this info to firmware */ } /* set auth */ err = wldev_iovar_setint_bsscfg(dev, "auth", auth, bssidx); if (err < 0) { WL_ERR(("auth error %d\n", err)); return BCME_ERROR; } /* set wsec */ err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx); if (err < 0) { WL_ERR(("wsec error %d\n", err)); return BCME_ERROR; } #ifdef MFP if (mfp) { /* This needs to go after wsec otherwise the wsec command will * overwrite the values set by MFP */ if ((err = wldev_iovar_setint_bsscfg(dev, "mfp", mfp, bssidx)) < 0) { WL_ERR(("MFP Setting failed. ret = %d \n", err)); return err; } } #endif /* MFP */ /* set upper-layer auth */ err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wpa_auth, bssidx); if (err < 0) { WL_ERR(("wpa_auth error %d\n", err)); return BCME_ERROR; } exit: return 0; } static s32 wl_validate_wpaie(struct net_device *dev, wpa_ie_fixed_t *wpaie, s32 bssidx) { wpa_suite_mcast_t *mcast; wpa_suite_ucast_t *ucast; wpa_suite_auth_key_mgmt_t *mgmt; u16 auth = 0; /* d11 open authentication */ u16 count; s32 err = BCME_OK; s32 len = 0; u32 i; u32 wsec; u32 pval = 0; u32 gval = 0; u32 wpa_auth = 0; u32 tmp = 0; if (wpaie == NULL) goto exit; WL_DBG(("Enter \n")); len = wpaie->length; /* value length */ len -= WPA_IE_TAG_FIXED_LEN; /* check for multicast cipher suite */ if (len < WPA_SUITE_LEN) { WL_INFORM(("no multicast cipher suite\n")); goto exit; } /* pick up multicast cipher */ mcast = (wpa_suite_mcast_t *)&wpaie[1]; len -= WPA_SUITE_LEN; if (!bcmp(mcast->oui, WPA_OUI, WPA_OUI_LEN)) { if (IS_WPA_CIPHER(mcast->type)) { tmp = 0; switch (mcast->type) { case WPA_CIPHER_NONE: tmp = 0; break; case WPA_CIPHER_WEP_40: case WPA_CIPHER_WEP_104: tmp = WEP_ENABLED; break; case WPA_CIPHER_TKIP: tmp = TKIP_ENABLED; break; case WPA_CIPHER_AES_CCM: tmp = AES_ENABLED; break; default: WL_ERR(("No Security Info\n")); } gval |= tmp; } } /* Check for unicast suite(s) */ if (len < WPA_IE_SUITE_COUNT_LEN) { WL_INFORM(("no unicast suite\n")); goto exit; } /* walk thru unicast cipher list and pick up what we recognize */ ucast = (wpa_suite_ucast_t *)&mcast[1]; count = ltoh16_ua(&ucast->count); len -= WPA_IE_SUITE_COUNT_LEN; for (i = 0; i < count && len >= WPA_SUITE_LEN; i++, len -= WPA_SUITE_LEN) { if (!bcmp(ucast->list[i].oui, WPA_OUI, WPA_OUI_LEN)) { if (IS_WPA_CIPHER(ucast->list[i].type)) { tmp = 0; switch (ucast->list[i].type) { case WPA_CIPHER_NONE: tmp = 0; break; case WPA_CIPHER_WEP_40: case WPA_CIPHER_WEP_104: tmp = WEP_ENABLED; break; case WPA_CIPHER_TKIP: tmp = TKIP_ENABLED; break; case WPA_CIPHER_AES_CCM: tmp = AES_ENABLED; break; default: WL_ERR(("No Security Info\n")); } pval |= tmp; } } } len -= (count - i) * WPA_SUITE_LEN; /* Check for auth key management suite(s) */ if (len < WPA_IE_SUITE_COUNT_LEN) { WL_INFORM((" no auth key mgmt suite\n")); goto exit; } /* walk thru auth management suite list and pick up what we recognize */ mgmt = (wpa_suite_auth_key_mgmt_t *)&ucast->list[count]; count = ltoh16_ua(&mgmt->count); len -= WPA_IE_SUITE_COUNT_LEN; for (i = 0; i < count && len >= WPA_SUITE_LEN; i++, len -= WPA_SUITE_LEN) { if (!bcmp(mgmt->list[i].oui, WPA_OUI, WPA_OUI_LEN)) { if (IS_WPA_AKM(mgmt->list[i].type)) { tmp = 0; switch (mgmt->list[i].type) { case RSN_AKM_NONE: tmp = WPA_AUTH_NONE; break; case RSN_AKM_UNSPECIFIED: tmp = WPA_AUTH_UNSPECIFIED; break; case RSN_AKM_PSK: tmp = WPA_AUTH_PSK; break; default: WL_ERR(("No Key Mgmt Info\n")); } wpa_auth |= tmp; } } } /* FOR WPS , set SEC_OW_ENABLED */ wsec = (pval | gval | SES_OW_ENABLED); /* set auth */ err = wldev_iovar_setint_bsscfg(dev, "auth", auth, bssidx); if (err < 0) { WL_ERR(("auth error %d\n", err)); return BCME_ERROR; } /* set wsec */ err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx); if (err < 0) { WL_ERR(("wsec error %d\n", err)); return BCME_ERROR; } /* set upper-layer auth */ err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wpa_auth, bssidx); if (err < 0) { WL_ERR(("wpa_auth error %d\n", err)); return BCME_ERROR; } exit: return 0; } static s32 wl_cfg80211_bcn_validate_sec( struct net_device *dev, struct parsed_ies *ies, u32 dev_role, s32 bssidx) { struct bcm_cfg80211 *cfg = g_bcm_cfg; if (dev_role == NL80211_IFTYPE_P2P_GO && (ies->wpa2_ie)) { /* For P2P GO, the sec type is WPA2-PSK */ WL_DBG(("P2P GO: validating wpa2_ie")); if (wl_validate_wpa2ie(dev, ies->wpa2_ie, bssidx) < 0) return BCME_ERROR; } else if (dev_role == NL80211_IFTYPE_AP) { WL_DBG(("SoftAP: validating security")); /* If wpa2_ie or wpa_ie is present validate it */ if ((ies->wpa2_ie || ies->wpa_ie) && ((wl_validate_wpa2ie(dev, ies->wpa2_ie, bssidx) < 0 || wl_validate_wpaie(dev, ies->wpa_ie, bssidx) < 0))) { cfg->ap_info->security_mode = false; return BCME_ERROR; } cfg->ap_info->security_mode = true; if (cfg->ap_info->rsn_ie) { kfree(cfg->ap_info->rsn_ie); cfg->ap_info->rsn_ie = NULL; } if (cfg->ap_info->wpa_ie) { kfree(cfg->ap_info->wpa_ie); cfg->ap_info->wpa_ie = NULL; } if (cfg->ap_info->wps_ie) { kfree(cfg->ap_info->wps_ie); cfg->ap_info->wps_ie = NULL; } if (ies->wpa_ie != NULL) { /* WPAIE */ cfg->ap_info->rsn_ie = NULL; cfg->ap_info->wpa_ie = kmemdup(ies->wpa_ie, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN, GFP_KERNEL); } else if (ies->wpa2_ie != NULL) { /* RSNIE */ cfg->ap_info->wpa_ie = NULL; cfg->ap_info->rsn_ie = kmemdup(ies->wpa2_ie, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN, GFP_KERNEL); } if (!ies->wpa2_ie && !ies->wpa_ie) { wl_validate_opensecurity(dev, bssidx); cfg->ap_info->security_mode = false; } if (ies->wps_ie) { cfg->ap_info->wps_ie = kmemdup(ies->wps_ie, ies->wps_ie_len, GFP_KERNEL); } } return 0; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) static s32 wl_cfg80211_bcn_set_params( struct cfg80211_ap_settings *info, struct net_device *dev, u32 dev_role, s32 bssidx) { struct bcm_cfg80211 *cfg = g_bcm_cfg; s32 err = BCME_OK; WL_DBG(("interval (%d) \ndtim_period (%d) \n", info->beacon_interval, info->dtim_period)); if (info->beacon_interval) { if ((err = wldev_ioctl(dev, WLC_SET_BCNPRD, &info->beacon_interval, sizeof(s32), true)) < 0) { WL_ERR(("Beacon Interval Set Error, %d\n", err)); return err; } } if (info->dtim_period) { if ((err = wldev_ioctl(dev, WLC_SET_DTIMPRD, &info->dtim_period, sizeof(s32), true)) < 0) { WL_ERR(("DTIM Interval Set Error, %d\n", err)); return err; } } if ((info->ssid) && (info->ssid_len > 0) && (info->ssid_len <= DOT11_MAX_SSID_LEN)) { WL_DBG(("SSID (%s) len:%zd \n", info->ssid, info->ssid_len)); if (dev_role == NL80211_IFTYPE_AP) { /* Store the hostapd SSID */ memset(cfg->hostapd_ssid.SSID, 0x00, DOT11_MAX_SSID_LEN); memcpy(cfg->hostapd_ssid.SSID, info->ssid, info->ssid_len); cfg->hostapd_ssid.SSID_len = info->ssid_len; } else { /* P2P GO */ memset(cfg->p2p->ssid.SSID, 0x00, DOT11_MAX_SSID_LEN); memcpy(cfg->p2p->ssid.SSID, info->ssid, info->ssid_len); cfg->p2p->ssid.SSID_len = info->ssid_len; } } if (info->hidden_ssid) { if ((err = wldev_iovar_setint(dev, "closednet", 1)) < 0) WL_ERR(("failed to set hidden : %d\n", err)); WL_DBG(("hidden_ssid_enum_val: %d \n", info->hidden_ssid)); } return err; } #endif static s32 wl_cfg80211_parse_ies(u8 *ptr, u32 len, struct parsed_ies *ies) { s32 err = BCME_OK; memset(ies, 0, sizeof(struct parsed_ies)); /* find the WPSIE */ if ((ies->wps_ie = wl_cfgp2p_find_wpsie(ptr, len)) != NULL) { WL_DBG(("WPSIE in beacon \n")); ies->wps_ie_len = ies->wps_ie->length + WPA_RSN_IE_TAG_FIXED_LEN; } else { WL_ERR(("No WPSIE in beacon \n")); } /* find the RSN_IE */ if ((ies->wpa2_ie = bcm_parse_tlvs(ptr, len, DOT11_MNG_RSN_ID)) != NULL) { WL_DBG((" WPA2 IE found\n")); ies->wpa2_ie_len = ies->wpa2_ie->len; } /* find the WPA_IE */ if ((ies->wpa_ie = wl_cfgp2p_find_wpaie(ptr, len)) != NULL) { WL_DBG((" WPA found\n")); ies->wpa_ie_len = ies->wpa_ie->length; } return err; } static s32 wl_cfg80211_bcn_bringup_ap( struct net_device *dev, struct parsed_ies *ies, u32 dev_role, s32 bssidx) { struct bcm_cfg80211 *cfg = g_bcm_cfg; struct wl_join_params join_params; bool is_bssup = false; s32 infra = 1; s32 join_params_size = 0; s32 ap = 1; #ifdef DISABLE_11H_SOFTAP s32 spect = 0; #endif /* DISABLE_11H_SOFTAP */ s32 err = BCME_OK; WL_DBG(("Enter dev_role: %d\n", dev_role)); /* Common code for SoftAP and P2P GO */ wldev_iovar_setint(dev, "mpc", 0); if (dev_role == NL80211_IFTYPE_P2P_GO) { is_bssup = wl_cfgp2p_bss_isup(dev, bssidx); if (!is_bssup && (ies->wpa2_ie != NULL)) { err = wldev_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(s32), true); if (err < 0) { WL_ERR(("SET INFRA error %d\n", err)); goto exit; } err = wldev_iovar_setbuf_bsscfg(dev, "ssid", &cfg->p2p->ssid, sizeof(cfg->p2p->ssid), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (err < 0) { WL_ERR(("GO SSID setting error %d\n", err)); goto exit; } /* Do abort scan before creating GO */ wl_cfg80211_scan_abort(cfg); if ((err = wl_cfgp2p_bss(cfg, dev, bssidx, 1)) < 0) { WL_ERR(("GO Bring up error %d\n", err)); goto exit; } } else WL_DBG(("Bss is already up\n")); } else if ((dev_role == NL80211_IFTYPE_AP) && (wl_get_drv_status(cfg, AP_CREATING, dev))) { /* Device role SoftAP */ err = wldev_ioctl(dev, WLC_DOWN, &ap, sizeof(s32), true); if (err < 0) { WL_ERR(("WLC_DOWN error %d\n", err)); goto exit; } err = wldev_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(s32), true); if (err < 0) { WL_ERR(("SET INFRA error %d\n", err)); goto exit; } if ((err = wldev_ioctl(dev, WLC_SET_AP, &ap, sizeof(s32), true)) < 0) { WL_ERR(("setting AP mode failed %d \n", err)); goto exit; } #ifdef DISABLE_11H_SOFTAP err = wldev_ioctl(dev, WLC_SET_SPECT_MANAGMENT, &spect, sizeof(s32), true); if (err < 0) { WL_ERR(("SET SPECT_MANAGMENT error %d\n", err)); goto exit; } #endif /* DISABLE_11H_SOFTAP */ err = wldev_ioctl(dev, WLC_UP, &ap, sizeof(s32), true); if (unlikely(err)) { WL_ERR(("WLC_UP error (%d)\n", err)); goto exit; } memset(&join_params, 0, sizeof(join_params)); /* join parameters starts with ssid */ join_params_size = sizeof(join_params.ssid); join_params.ssid.SSID_len = MIN(cfg->hostapd_ssid.SSID_len, (uint32)DOT11_MAX_SSID_LEN); memcpy(join_params.ssid.SSID, cfg->hostapd_ssid.SSID, join_params.ssid.SSID_len); join_params.ssid.SSID_len = htod32(join_params.ssid.SSID_len); /* create softap */ if ((err = wldev_ioctl(dev, WLC_SET_SSID, &join_params, join_params_size, true)) == 0) { WL_DBG(("SoftAP set SSID (%s) success\n", join_params.ssid.SSID)); wl_clr_drv_status(cfg, AP_CREATING, dev); wl_set_drv_status(cfg, AP_CREATED, dev); } } exit: return err; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) s32 wl_cfg80211_parse_ap_ies( struct net_device *dev, struct cfg80211_beacon_data *info, struct parsed_ies *ies) { struct parsed_ies prb_ies; struct bcm_cfg80211 *cfg = g_bcm_cfg; dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); u8 *vndr = NULL; u32 vndr_ie_len = 0; s32 err = BCME_OK; /* Parse Beacon IEs */ if (wl_cfg80211_parse_ies((u8 *)info->tail, info->tail_len, ies) < 0) { WL_ERR(("Beacon get IEs failed \n")); err = -EINVAL; goto fail; } vndr = (u8 *)info->proberesp_ies; vndr_ie_len = info->proberesp_ies_len; if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) { /* SoftAP mode */ struct ieee80211_mgmt *mgmt; mgmt = (struct ieee80211_mgmt *)info->probe_resp; if (mgmt != NULL) { vndr = (u8 *)&mgmt->u.probe_resp.variable; vndr_ie_len = info->probe_resp_len - offsetof(struct ieee80211_mgmt, u.probe_resp.variable); } } /* Parse Probe Response IEs */ if (wl_cfg80211_parse_ies(vndr, vndr_ie_len, &prb_ies) < 0) { WL_ERR(("PROBE RESP get IEs failed \n")); err = -EINVAL; } fail: return err; } s32 wl_cfg80211_set_ies( struct net_device *dev, struct cfg80211_beacon_data *info, s32 bssidx) { struct bcm_cfg80211 *cfg = g_bcm_cfg; dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); u8 *vndr = NULL; u32 vndr_ie_len = 0; s32 err = BCME_OK; /* Set Beacon IEs to FW */ if ((err = wl_cfgp2p_set_management_ie(cfg, dev, bssidx, VNDR_IE_BEACON_FLAG, (u8 *)info->tail, info->tail_len)) < 0) { WL_ERR(("Set Beacon IE Failed \n")); } else { WL_DBG(("Applied Vndr IEs for Beacon \n")); } vndr = (u8 *)info->proberesp_ies; vndr_ie_len = info->proberesp_ies_len; if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) { /* SoftAP mode */ struct ieee80211_mgmt *mgmt; mgmt = (struct ieee80211_mgmt *)info->probe_resp; if (mgmt != NULL) { vndr = (u8 *)&mgmt->u.probe_resp.variable; vndr_ie_len = info->probe_resp_len - offsetof(struct ieee80211_mgmt, u.probe_resp.variable); } } /* Set Probe Response IEs to FW */ if ((err = wl_cfgp2p_set_management_ie(cfg, dev, bssidx, VNDR_IE_PRBRSP_FLAG, vndr, vndr_ie_len)) < 0) { WL_ERR(("Set Probe Resp IE Failed \n")); } else { WL_DBG(("Applied Vndr IEs for Probe Resp \n")); } return err; } #endif static s32 wl_cfg80211_hostapd_sec( struct net_device *dev, struct parsed_ies *ies, s32 bssidx) { bool update_bss = 0; struct bcm_cfg80211 *cfg = g_bcm_cfg; if (ies->wps_ie) { if (cfg->ap_info->wps_ie && memcmp(cfg->ap_info->wps_ie, ies->wps_ie, ies->wps_ie_len)) { WL_DBG((" WPS IE is changed\n")); kfree(cfg->ap_info->wps_ie); cfg->ap_info->wps_ie = kmemdup(ies->wps_ie, ies->wps_ie_len, GFP_KERNEL); } else if (cfg->ap_info->wps_ie == NULL) { WL_DBG((" WPS IE is added\n")); cfg->ap_info->wps_ie = kmemdup(ies->wps_ie, ies->wps_ie_len, GFP_KERNEL); } if ((ies->wpa_ie != NULL || ies->wpa2_ie != NULL)) { if (!cfg->ap_info->security_mode) { /* change from open mode to security mode */ update_bss = true; if (ies->wpa_ie != NULL) { cfg->ap_info->wpa_ie = kmemdup(ies->wpa_ie, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN, GFP_KERNEL); } else { cfg->ap_info->rsn_ie = kmemdup(ies->wpa2_ie, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN, GFP_KERNEL); } } else if (cfg->ap_info->wpa_ie) { /* change from WPA2 mode to WPA mode */ if (ies->wpa_ie != NULL) { update_bss = true; kfree(cfg->ap_info->rsn_ie); cfg->ap_info->rsn_ie = NULL; cfg->ap_info->wpa_ie = kmemdup(ies->wpa_ie, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN, GFP_KERNEL); } else if (memcmp(cfg->ap_info->rsn_ie, ies->wpa2_ie, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN)) { update_bss = true; kfree(cfg->ap_info->rsn_ie); cfg->ap_info->rsn_ie = kmemdup(ies->wpa2_ie, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN, GFP_KERNEL); cfg->ap_info->wpa_ie = NULL; } } if (update_bss) { cfg->ap_info->security_mode = true; wl_cfgp2p_bss(cfg, dev, bssidx, 0); if (wl_validate_wpa2ie(dev, ies->wpa2_ie, bssidx) < 0 || wl_validate_wpaie(dev, ies->wpa_ie, bssidx) < 0) { return BCME_ERROR; } wl_cfgp2p_bss(cfg, dev, bssidx, 1); } } } else { WL_ERR(("No WPSIE in beacon \n")); } return 0; } #if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \ 2, 0)) #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) static s32 wl_cfg80211_del_station( struct wiphy *wiphy, struct net_device *ndev, struct station_del_parameters *params) #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) static s32 wl_cfg80211_del_station( struct wiphy *wiphy, struct net_device *ndev, const u8* mac_addr) #else static s32 wl_cfg80211_del_station( struct wiphy *wiphy, struct net_device *ndev, u8* mac_addr) #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) */ { struct net_device *dev; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); scb_val_t scb_val; s8 eabuf[ETHER_ADDR_STR_LEN]; int err; char mac_buf[MAX_NUM_OF_ASSOCIATED_DEV * sizeof(struct ether_addr) + sizeof(uint)] = {0}; struct maclist *assoc_maclist = (struct maclist *)mac_buf; int num_associated = 0; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) const u8 *mac_addr = params->mac; #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)) */ WL_DBG(("Entry\n")); if (mac_addr == NULL) { WL_DBG(("mac_addr is NULL ignore it\n")); return 0; } if (!cfg) return -EINVAL; dev = ndev_to_wlc_ndev(ndev, cfg); if (p2p_is_on(cfg)) { /* Suspend P2P discovery search-listen to prevent it from changing the * channel. */ if ((wl_cfgp2p_discover_enable_search(cfg, false)) < 0) { WL_ERR(("Can not disable discovery mode\n")); return -EFAULT; } } assoc_maclist->count = MAX_NUM_OF_ASSOCIATED_DEV; err = wldev_ioctl(ndev, WLC_GET_ASSOCLIST, assoc_maclist, sizeof(mac_buf), false); if (err < 0) WL_ERR(("WLC_GET_ASSOCLIST error %d\n", err)); else num_associated = assoc_maclist->count; memcpy(scb_val.ea.octet, mac_addr, ETHER_ADDR_LEN); scb_val.val = DOT11_RC_DEAUTH_LEAVING; err = wldev_ioctl(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scb_val, sizeof(scb_val_t), true); if (err < 0) WL_ERR(("WLC_SCB_DEAUTHENTICATE_FOR_REASON err %d\n", err)); WL_ERR(("Disconnect STA : %s scb_val.val %d\n", bcm_ether_ntoa((const struct ether_addr *)mac_addr, eabuf), scb_val.val)); if (num_associated > 0 && ETHER_ISBCAST(mac_addr)) wl_delay(400); return 0; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) static s32 wl_cfg80211_change_station( struct wiphy *wiphy, struct net_device *dev, const u8 *mac, struct station_parameters *params) #else static s32 wl_cfg80211_change_station( struct wiphy *wiphy, struct net_device *dev, u8 *mac, struct station_parameters *params) #endif { int err; WL_DBG(("SCB_AUTHORIZE mac_addr:"MACDBG" sta_flags_mask:0x%x " "sta_flags_set:0x%x iface:%s \n", MAC2STRDBG(mac), params->sta_flags_mask, params->sta_flags_set, dev->name)); /* Processing only authorize/de-authorize flag for now */ if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) { WL_ERR(("WLC_SCB_AUTHORIZE sta_flags_mask not set \n")); return -ENOTSUPP; } if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) err = wldev_ioctl(dev, WLC_SCB_DEAUTHORIZE, (u8 *)mac, ETH_ALEN, true); #else err = wldev_ioctl(dev, WLC_SCB_DEAUTHORIZE, mac, ETH_ALEN, true); #endif if (err) WL_ERR(("WLC_SCB_DEAUTHORIZE error (%d)\n", err)); return err; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) err = wldev_ioctl(dev, WLC_SCB_AUTHORIZE, (u8 *)mac, ETH_ALEN, true); #else err = wldev_ioctl(dev, WLC_SCB_AUTHORIZE, mac, ETH_ALEN, true); #endif if (err) WL_ERR(("WLC_SCB_AUTHORIZE error (%d)\n", err)); return err; } #endif /* WL_SUPPORT_BACKPORTED_KPATCHES || KERNEL_VER >= KERNEL_VERSION(3, 2, 0)) */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) static s32 wl_cfg80211_start_ap( struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ap_settings *info) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 err = BCME_OK; struct parsed_ies ies; s32 bssidx = 0; u32 dev_role = 0; WL_DBG(("Enter \n")); if (!cfg) return -EINVAL; if (dev == bcmcfg_to_prmry_ndev(cfg)) { WL_DBG(("Start AP req on primary iface: Softap\n")); dev_role = NL80211_IFTYPE_AP; } #if defined(WL_ENABLE_P2P_IF) else if (dev == cfg->p2p_net) { /* Group Add request on p2p0 */ WL_DBG(("Start AP req on P2P iface: GO\n")); #ifndef P2PONEINT dev = bcmcfg_to_prmry_ndev(cfg); #endif dev_role = NL80211_IFTYPE_P2P_GO; } #endif /* WL_ENABLE_P2P_IF */ if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } if (p2p_is_on(cfg) && (bssidx == wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_CONNECTION))) { dev_role = NL80211_IFTYPE_P2P_GO; WL_DBG(("Start AP req on P2P connection iface\n")); } if (!check_dev_role_integrity(cfg, dev_role)) goto fail; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) if ((err = wl_cfg80211_set_channel(wiphy, dev, dev->ieee80211_ptr->preset_chandef.chan, dev->ieee80211_ptr->preset_chandef) < 0)) { WL_ERR(("Set channel failed \n")); goto fail; } #endif if ((err = wl_cfg80211_bcn_set_params(info, dev, dev_role, bssidx)) < 0) { WL_ERR(("Beacon params set failed \n")); goto fail; } /* Parse IEs */ if ((err = wl_cfg80211_parse_ap_ies(dev, &info->beacon, &ies)) < 0) { WL_ERR(("Set IEs failed \n")); goto fail; } if ((wl_cfg80211_bcn_validate_sec(dev, &ies, dev_role, bssidx)) < 0) { WL_ERR(("Beacon set security failed \n")); goto fail; } if ((err = wl_cfg80211_bcn_bringup_ap(dev, &ies, dev_role, bssidx)) < 0) { WL_ERR(("Beacon bring up AP/GO failed \n")); goto fail; } WL_DBG(("** AP/GO Created **\n")); #ifdef WL_CFG80211_ACL /* Enfoce Admission Control. */ if ((err = wl_cfg80211_set_mac_acl(wiphy, dev, info->acl)) < 0) { WL_ERR(("Set ACL failed\n")); } #endif /* WL_CFG80211_ACL */ /* Set IEs to FW */ if ((err = wl_cfg80211_set_ies(dev, &info->beacon, bssidx)) < 0) WL_ERR(("Set IEs failed \n")); /* Enable Probe Req filter, WPS-AP certification 4.2.13 */ if ((dev_role == NL80211_IFTYPE_AP) && (ies.wps_ie != NULL)) { bool pbc = 0; wl_validate_wps_ie((char *) ies.wps_ie, ies.wps_ie_len, &pbc); if (pbc) { WL_DBG(("set WLC_E_PROBREQ_MSG\n")); wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, true); } } fail: if (err) { WL_ERR(("ADD/SET beacon failed\n")); wldev_iovar_setint(dev, "mpc", 1); } return err; } static s32 wl_cfg80211_stop_ap( struct wiphy *wiphy, struct net_device *dev) { int err = 0; u32 dev_role = 0; int infra = 0; int ap = 0; s32 bssidx = 0; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); WL_DBG(("Enter \n")); if (!cfg) return -EINVAL; if (dev == bcmcfg_to_prmry_ndev(cfg)) { dev_role = NL80211_IFTYPE_AP; } #if defined(WL_ENABLE_P2P_IF) else if (dev == cfg->p2p_net) { /* Group Add request on p2p0 */ #ifndef P2PONEINT dev = bcmcfg_to_prmry_ndev(cfg); #endif dev_role = NL80211_IFTYPE_P2P_GO; } #endif /* WL_ENABLE_P2P_IF */ if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } if (p2p_is_on(cfg) && (bssidx == wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_CONNECTION))) { dev_role = NL80211_IFTYPE_P2P_GO; } if (!check_dev_role_integrity(cfg, dev_role)) goto exit; if (dev_role == NL80211_IFTYPE_AP) { /* SoftAp on primary Interface. * Shut down AP and turn on MPC */ if ((err = wldev_ioctl(dev, WLC_SET_AP, &ap, sizeof(s32), true)) < 0) { WL_ERR(("setting AP mode failed %d \n", err)); err = -ENOTSUPP; goto exit; } err = wldev_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(s32), true); if (err < 0) { WL_ERR(("SET INFRA error %d\n", err)); err = -ENOTSUPP; goto exit; } err = wldev_ioctl(dev, WLC_UP, &ap, sizeof(s32), true); if (unlikely(err)) { WL_ERR(("WLC_UP error (%d)\n", err)); err = -EINVAL; goto exit; } wl_clr_drv_status(cfg, AP_CREATED, dev); /* Turn on the MPC */ wldev_iovar_setint(dev, "mpc", 1); if (cfg->ap_info) { kfree(cfg->ap_info->wpa_ie); kfree(cfg->ap_info->rsn_ie); kfree(cfg->ap_info->wps_ie); kfree(cfg->ap_info); cfg->ap_info = NULL; } } else { WL_DBG(("Stopping P2P GO \n")); DHD_OS_WAKE_LOCK_CTRL_TIMEOUT_ENABLE((dhd_pub_t *)(cfg->pub), DHD_EVENT_TIMEOUT_MS*3); DHD_OS_WAKE_LOCK_TIMEOUT((dhd_pub_t *)(cfg->pub)); } exit: return err; } static s32 wl_cfg80211_change_beacon( struct wiphy *wiphy, struct net_device *dev, struct cfg80211_beacon_data *info) { s32 err = BCME_OK; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct parsed_ies ies; u32 dev_role = 0; s32 bssidx = 0; bool pbc = 0; WL_DBG(("Enter \n")); if (!cfg) return -EINVAL; if (dev == bcmcfg_to_prmry_ndev(cfg)) { dev_role = NL80211_IFTYPE_AP; } #if defined(WL_ENABLE_P2P_IF) else if (dev == cfg->p2p_net) { /* Group Add request on p2p0 */ #ifndef P2PONEINT dev = bcmcfg_to_prmry_ndev(cfg); #endif dev_role = NL80211_IFTYPE_P2P_GO; } #endif /* WL_ENABLE_P2P_IF */ if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } if (p2p_is_on(cfg) && (bssidx == wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_CONNECTION))) { dev_role = NL80211_IFTYPE_P2P_GO; } if (dev_role == 0) { WL_ERR(("Unknown device role!\n")); err = BCME_ERROR; goto fail; } if (!check_dev_role_integrity(cfg, dev_role)) goto fail; if ((dev_role == NL80211_IFTYPE_P2P_GO) && (cfg->p2p_wdev == NULL)) { WL_ERR(("P2P already down status!\n")); err = BCME_ERROR; goto fail; } /* Parse IEs */ if ((err = wl_cfg80211_parse_ap_ies(dev, info, &ies)) < 0) { WL_ERR(("Parse IEs failed \n")); goto fail; } /* Set IEs to FW */ if ((err = wl_cfg80211_set_ies(dev, info, bssidx)) < 0) { WL_ERR(("Set IEs failed \n")); goto fail; } if (dev_role == NL80211_IFTYPE_AP) { if (wl_cfg80211_hostapd_sec(dev, &ies, bssidx) < 0) { WL_ERR(("Hostapd update sec failed \n")); err = -EINVAL; goto fail; } /* Enable Probe Req filter, WPS-AP certification 4.2.13 */ if ((dev_role == NL80211_IFTYPE_AP) && (ies.wps_ie != NULL)) { wl_validate_wps_ie((char *) ies.wps_ie, ies.wps_ie_len, &pbc); WL_DBG((" WPS AP, wps_ie is exists pbc=%d\n", pbc)); if (pbc) wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, true); else wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, false); } } fail: return err; } #else static s32 wl_cfg80211_add_set_beacon(struct wiphy *wiphy, struct net_device *dev, struct beacon_parameters *info) { s32 err = BCME_OK; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); s32 ie_offset = 0; s32 bssidx = 0; u32 dev_role = NL80211_IFTYPE_AP; struct parsed_ies ies; bcm_tlv_t *ssid_ie; bool pbc = 0; WL_DBG(("interval (%d) dtim_period (%d) head_len (%d) tail_len (%d)\n", info->interval, info->dtim_period, info->head_len, info->tail_len)); if (!cfg) return -EINVAL; if (dev == bcmcfg_to_prmry_ndev(cfg)) { dev_role = NL80211_IFTYPE_AP; } #if defined(WL_ENABLE_P2P_IF) else if (dev == cfg->p2p_net) { /* Group Add request on p2p0 */ #ifndef P2PONEINT dev = bcmcfg_to_prmry_ndev(cfg); #endif dev_role = NL80211_IFTYPE_P2P_GO; } #endif /* WL_ENABLE_P2P_IF */ if (wl_cfgp2p_find_idx(cfg, dev, &bssidx) != BCME_OK) { WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); return BCME_ERROR; } if (p2p_is_on(cfg) && (bssidx == wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_CONNECTION))) { dev_role = NL80211_IFTYPE_P2P_GO; } if (dev_role == 0) { WL_ERR(("Unknown device role!\n")); err = BCME_ERROR; goto fail; } if (!check_dev_role_integrity(cfg, dev_role)) goto fail; if ((dev_role == NL80211_IFTYPE_P2P_GO) && (cfg->p2p_wdev == NULL)) { WL_ERR(("P2P already down status!\n")); err = BCME_ERROR; goto fail; } ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN; /* find the SSID */ if ((ssid_ie = bcm_parse_tlvs((u8 *)&info->head[ie_offset], info->head_len - ie_offset, DOT11_MNG_SSID_ID)) != NULL) { if (dev_role == NL80211_IFTYPE_AP) { /* Store the hostapd SSID */ memset(&cfg->hostapd_ssid.SSID[0], 0x00, DOT11_MAX_SSID_LEN); cfg->hostapd_ssid.SSID_len = MIN((int)ssid_ie->len, DOT11_MAX_SSID_LEN); memcpy(&cfg->hostapd_ssid.SSID[0], ssid_ie->data, cfg->hostapd_ssid.SSID_len); } else { /* P2P GO */ memset(&cfg->p2p->ssid.SSID[0], 0x00, DOT11_MAX_SSID_LEN); cfg->p2p->ssid.SSID_len = MIN((int)ssid_ie->len, DOT11_MAX_SSID_LEN); memcpy(cfg->p2p->ssid.SSID, ssid_ie->data, cfg->p2p->ssid.SSID_len); } } if (wl_cfg80211_parse_ies((u8 *)info->tail, info->tail_len, &ies) < 0) { WL_ERR(("Beacon get IEs failed \n")); err = -EINVAL; goto fail; } if (wl_cfgp2p_set_management_ie(cfg, dev, bssidx, VNDR_IE_BEACON_FLAG, (u8 *)info->tail, info->tail_len) < 0) { WL_ERR(("Beacon set IEs failed \n")); goto fail; } else { WL_DBG(("Applied Vndr IEs for Beacon \n")); } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)) if (wl_cfgp2p_set_management_ie(cfg, dev, bssidx, VNDR_IE_PRBRSP_FLAG, (u8 *)info->proberesp_ies, info->proberesp_ies_len) < 0) { WL_ERR(("ProbeRsp set IEs failed \n")); goto fail; } else { WL_DBG(("Applied Vndr IEs for ProbeRsp \n")); } #endif if (!wl_cfgp2p_bss_isup(dev, bssidx) && (wl_cfg80211_bcn_validate_sec(dev, &ies, dev_role, bssidx) < 0)) { WL_ERR(("Beacon set security failed \n")); goto fail; } /* Set BI and DTIM period */ if (info->interval) { if ((err = wldev_ioctl(dev, WLC_SET_BCNPRD, &info->interval, sizeof(s32), true)) < 0) { WL_ERR(("Beacon Interval Set Error, %d\n", err)); return err; } } if (info->dtim_period) { if ((err = wldev_ioctl(dev, WLC_SET_DTIMPRD, &info->dtim_period, sizeof(s32), true)) < 0) { WL_ERR(("DTIM Interval Set Error, %d\n", err)); return err; } } if (wl_cfg80211_bcn_bringup_ap(dev, &ies, dev_role, bssidx) < 0) { WL_ERR(("Beacon bring up AP/GO failed \n")); goto fail; } if (wl_get_drv_status(cfg, AP_CREATED, dev)) { /* Soft AP already running. Update changed params */ if (wl_cfg80211_hostapd_sec(dev, &ies, bssidx) < 0) { WL_ERR(("Hostapd update sec failed \n")); err = -EINVAL; goto fail; } } /* Enable Probe Req filter */ if (((dev_role == NL80211_IFTYPE_P2P_GO) || (dev_role == NL80211_IFTYPE_AP)) && (ies.wps_ie != NULL)) { wl_validate_wps_ie((char *) ies.wps_ie, ies.wps_ie_len, &pbc); if (pbc) wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, true); } WL_DBG(("** ADD/SET beacon done **\n")); fail: if (err) { WL_ERR(("ADD/SET beacon failed\n")); wldev_iovar_setint(dev, "mpc", 1); } return err; } #endif #ifdef WL_SCHED_SCAN #define PNO_TIME 30 #define PNO_REPEAT 4 #define PNO_FREQ_EXPO_MAX 2 static int wl_cfg80211_sched_scan_start(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_sched_scan_request *request) { ushort pno_time = PNO_TIME; int pno_repeat = PNO_REPEAT; int pno_freq_expo_max = PNO_FREQ_EXPO_MAX; wlc_ssid_t ssids_local[MAX_PFN_LIST_COUNT]; struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct cfg80211_ssid *ssid = NULL; int ssid_count = 0; int i; int ret = 0; WL_DBG(("Enter \n")); if (!cfg) return -EINVAL; WL_PNO((">>> SCHED SCAN START\n")); WL_PNO(("Enter n_match_sets:%d n_ssids:%d \n", request->n_match_sets, request->n_ssids)); WL_PNO(("ssids:%d pno_time:%d pno_repeat:%d pno_freq:%d \n", request->n_ssids, pno_time, pno_repeat, pno_freq_expo_max)); #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); if (cfg && dhd) TEGRA_PNO_SCAN_PREPARE(dev, dhd, request, pno_time, pno_repeat, pno_freq_expo_max) } #endif if (!request || !request->n_ssids || !request->n_match_sets) { WL_DBG(("Invalid sched scan req!! n_ssids:%d \n", request->n_ssids)); return -EINVAL; } memset(&ssids_local, 0, sizeof(ssids_local)); if (request->n_match_sets > 0) { for (i = 0; i < request->n_match_sets; i++) { ssid = &request->match_sets[i].ssid; ssids_local[i].SSID_len = MIN(ssid->ssid_len, (uint32)DOT11_MAX_SSID_LEN); memcpy(ssids_local[i].SSID, ssid->ssid, ssids_local[i].SSID_len); WL_PNO((">>> PNO filter set for ssid (%s) \n", ssid->ssid)); ssid_count++; } } if (request->n_ssids > 0) { for (i = 0; i < request->n_ssids; i++) { /* Active scan req for ssids */ WL_PNO((">>> Active scan req for ssid (%s) \n", request->ssids[i].ssid)); /* match_set ssids is a supert set of n_ssid list, so we need * not add these set seperately */ } } if (ssid_count) { if ((ret = dhd_dev_pno_set_for_ssid(dev, ssids_local, request->n_match_sets, pno_time, pno_repeat, pno_freq_expo_max, NULL, 0)) < 0) { WL_ERR(("PNO setup failed!! ret=%d \n", ret)); return -EINVAL; } cfg->sched_scan_req = request; } else { return -EINVAL; } return 0; } #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 11, 0)) static int wl_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, u64 reqid) #else static int wl_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) #endif { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); WL_DBG(("Enter \n")); if (!cfg) return -EINVAL; WL_PNO((">>> SCHED SCAN STOP\n")); if (dhd_dev_pno_stop_for_ssid(dev) < 0) WL_ERR(("PNO Stop for SSID failed")); if (cfg->scan_request && cfg->sched_scan_running) { WL_PNO((">>> Sched scan running. Aborting it..\n")); wl_notify_escan_complete(cfg, dev, true, true); } cfg->sched_scan_req = NULL; cfg->sched_scan_running = FALSE; return 0; } #endif /* WL_SCHED_SCAN */ #ifdef WL_SUPPORT_ACS /* * Currently the dump_obss IOVAR is returning string as output so we need to * parse the output buffer in an unoptimized way. Going forward if we get the * IOVAR output in binary format this method can be optimized */ static int wl_parse_dump_obss(char *buf, struct wl_dump_survey *survey) { int i; char *token; char delim[] = " \n"; token = strsep(&buf, delim); while (token != NULL) { if (!strcmp(token, "OBSS")) { for (i = 0; i < OBSS_TOKEN_IDX; i++) token = strsep(&buf, delim); survey->obss = simple_strtoul(token, NULL, 10); } if (!strcmp(token, "IBSS")) { for (i = 0; i < IBSS_TOKEN_IDX; i++) token = strsep(&buf, delim); survey->ibss = simple_strtoul(token, NULL, 10); } if (!strcmp(token, "TXDur")) { for (i = 0; i < TX_TOKEN_IDX; i++) token = strsep(&buf, delim); survey->tx = simple_strtoul(token, NULL, 10); } if (!strcmp(token, "Category")) { for (i = 0; i < CTG_TOKEN_IDX; i++) token = strsep(&buf, delim); survey->no_ctg = simple_strtoul(token, NULL, 10); } if (!strcmp(token, "Packet")) { for (i = 0; i < PKT_TOKEN_IDX; i++) token = strsep(&buf, delim); survey->no_pckt = simple_strtoul(token, NULL, 10); } if (!strcmp(token, "Opp(time):")) { for (i = 0; i < IDLE_TOKEN_IDX; i++) token = strsep(&buf, delim); survey->idle = simple_strtoul(token, NULL, 10); } token = strsep(&buf, delim); } return 0; } static int wl_dump_obss(struct net_device *ndev, cca_msrmnt_query req, struct wl_dump_survey *survey) { cca_stats_n_flags *results; char *buf; int retry, err; buf = kzalloc(sizeof(char) * WLC_IOCTL_MAXLEN, GFP_KERNEL); if (unlikely(!buf)) { WL_ERR(("%s: buf alloc failed\n", __func__)); return -ENOMEM; } retry = IOCTL_RETRY_COUNT; while (retry--) { err = wldev_iovar_getbuf(ndev, "dump_obss", &req, sizeof(req), buf, WLC_IOCTL_MAXLEN, NULL); if (err >= 0) { break; } WL_DBG(("attempt = %d, err = %d, \n", (IOCTL_RETRY_COUNT - retry), err)); } if (retry <= 0) { WL_ERR(("failure, dump_obss IOVAR failed\n")); err = -BCME_ERROR; goto exit; } results = (cca_stats_n_flags *)(buf); wl_parse_dump_obss(results->buf, survey); kfree(buf); return 0; exit: kfree(buf); return err; } static int wl_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *ndev, int idx, struct survey_info *info) { struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); struct wl_dump_survey *survey; struct ieee80211_supported_band *band; struct ieee80211_channel*chan; cca_msrmnt_query req; int val, err, noise = 0, retry; dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); if (!(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) { return -ENOENT; } band = wiphy->bands[IEEE80211_BAND_2GHZ]; if (band && idx >= band->n_channels) { idx -= band->n_channels; band = NULL; } if (!band || idx >= band->n_channels) { /* Move to 5G band */ band = wiphy->bands[IEEE80211_BAND_5GHZ]; if (idx >= band->n_channels) { return -ENOENT; } } chan = &band->channels[idx]; /* Setting current channel to the requested channel */ if ((err = wl_cfg80211_set_channel(wiphy, ndev, chan, NL80211_CHAN_HT20) < 0)) { WL_ERR(("Set channel failed \n")); } if (!idx) { /* Disable mpc */ val = 0; err = wldev_iovar_setbuf_bsscfg(ndev, "mpc", (void *)&val, sizeof(val), cfg->ioctl_buf, WLC_IOCTL_SMLEN, 0, &cfg->ioctl_buf_sync); if (err < 0) { WL_ERR(("set 'mpc' failed, error = %d\n", err)); } /* Set interface up, explicitly. */ val = 1; err = wldev_ioctl(ndev, WLC_UP, (void *)&val, sizeof(val), true); if (err < 0) { WL_ERR(("set interface up failed, error = %d\n", err)); } } /* Get noise value */ retry = IOCTL_RETRY_COUNT; while (retry--) { err = wldev_ioctl(ndev, WLC_GET_PHY_NOISE, &noise, sizeof(noise), false); if (err >= 0) { break; } WL_DBG(("attempt = %d, err = %d, \n", (IOCTL_RETRY_COUNT - retry), err)); } if (retry <= 0) { WL_ERR(("Get Phy Noise failed, error = %d\n", err)); noise = CHAN_NOISE_DUMMY; } survey = (struct wl_dump_survey *) kzalloc(sizeof(struct wl_dump_survey), GFP_KERNEL); if (unlikely(!survey)) { WL_ERR(("%s: alloc failed\n", __func__)); return -ENOMEM; } /* Start Measurement for obss stats on current channel */ req.msrmnt_query = 0; req.time_req = ACS_MSRMNT_DELAY; if ((err = wl_dump_obss(ndev, req, survey)) < 0) { goto exit; } /* * Wait for the meaurement to complete, adding a buffer value of 10 to take * into consideration any delay in IOVAR completion */ msleep(ACS_MSRMNT_DELAY + 10); /* Issue IOVAR to collect measurement results */ req.msrmnt_query = 1; if ((err = wl_dump_obss(ndev, req, survey)) < 0) { goto exit; } info->channel = chan; info->noise = noise; info->channel_time = ACS_MSRMNT_DELAY; info->channel_time_busy = ACS_MSRMNT_DELAY - survey->idle; info->channel_time_rx = survey->obss + survey->ibss + survey->no_ctg + survey->no_pckt; info->channel_time_tx = survey->tx; info->filled = SURVEY_INFO_NOISE_DBM |SURVEY_INFO_CHANNEL_TIME | SURVEY_INFO_CHANNEL_TIME_BUSY | SURVEY_INFO_CHANNEL_TIME_RX | SURVEY_INFO_CHANNEL_TIME_TX; kfree(survey); return 0; exit: kfree(survey); return err; } #endif /* WL_SUPPORT_ACS */ static struct cfg80211_ops wl_cfg80211_ops = { .add_virtual_intf = wl_cfg80211_add_virtual_iface, .del_virtual_intf = wl_cfg80211_del_virtual_iface, .change_virtual_intf = wl_cfg80211_change_virtual_iface, #if defined(WL_CFG80211_P2P_DEV_IF) .start_p2p_device = wl_cfgp2p_start_p2p_device, .stop_p2p_device = wl_cfgp2p_stop_p2p_device, #endif /* WL_CFG80211_P2P_DEV_IF */ .scan = wl_cfg80211_scan, .set_wiphy_params = wl_cfg80211_set_wiphy_params, .join_ibss = wl_cfg80211_join_ibss, .leave_ibss = wl_cfg80211_leave_ibss, .get_station = wl_cfg80211_get_station, .set_tx_power = wl_cfg80211_set_tx_power, .get_tx_power = wl_cfg80211_get_tx_power, .add_key = wl_cfg80211_add_key, .del_key = wl_cfg80211_del_key, .get_key = wl_cfg80211_get_key, .set_default_key = wl_cfg80211_config_default_key, .set_default_mgmt_key = wl_cfg80211_config_default_mgmt_key, .set_power_mgmt = wl_cfg80211_set_power_mgmt, .connect = wl_cfg80211_connect, .disconnect = wl_cfg80211_disconnect, .suspend = wl_cfg80211_suspend, .resume = wl_cfg80211_resume, .set_pmksa = wl_cfg80211_set_pmksa, .del_pmksa = wl_cfg80211_del_pmksa, .flush_pmksa = wl_cfg80211_flush_pmksa, .remain_on_channel = wl_cfg80211_remain_on_channel, .cancel_remain_on_channel = wl_cfg80211_cancel_remain_on_channel, .mgmt_tx = wl_cfg80211_mgmt_tx, .mgmt_frame_register = wl_cfg80211_mgmt_frame_register, .change_bss = wl_cfg80211_change_bss, #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0)) .set_channel = wl_cfg80211_set_channel, #endif #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)) .set_beacon = wl_cfg80211_add_set_beacon, .add_beacon = wl_cfg80211_add_set_beacon, #else .change_beacon = wl_cfg80211_change_beacon, .start_ap = wl_cfg80211_start_ap, .stop_ap = wl_cfg80211_stop_ap, #endif #ifdef WL_SCHED_SCAN .sched_scan_start = wl_cfg80211_sched_scan_start, .sched_scan_stop = wl_cfg80211_sched_scan_stop, #endif /* WL_SCHED_SCAN */ #if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \ 2, 0)) .del_station = wl_cfg80211_del_station, .change_station = wl_cfg80211_change_station, .mgmt_tx_cancel_wait = wl_cfg80211_mgmt_tx_cancel_wait, #endif /* WL_SUPPORT_BACKPORTED_KPATCHES || KERNEL_VERSION >= (3,2,0) */ #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) .tdls_mgmt = wl_cfg80211_tdls_mgmt, .tdls_oper = wl_cfg80211_tdls_oper, #endif #ifdef WL_SUPPORT_ACS .dump_survey = wl_cfg80211_dump_survey, #endif /* WL_SUPPORT_ACS */ #ifdef WL_CFG80211_ACL .set_mac_acl = wl_cfg80211_set_mac_acl, #endif /* WL_CFG80211_ACL */ }; s32 wl_mode_to_nl80211_iftype(s32 mode) { s32 err = 0; switch (mode) { case WL_MODE_BSS: return NL80211_IFTYPE_STATION; case WL_MODE_IBSS: return NL80211_IFTYPE_ADHOC; case WL_MODE_AP: return NL80211_IFTYPE_AP; default: return NL80211_IFTYPE_UNSPECIFIED; } return err; } #ifdef CONFIG_CFG80211_INTERNAL_REGDB static int wl_cfg80211_reg_notifier( struct wiphy *wiphy, struct regulatory_request *request) { struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)wiphy_priv(wiphy); int ret = 0; if (!request || !cfg) { WL_ERR(("Invalid arg\n")); return -EINVAL; } WL_DBG(("ccode: %c%c Initiator: %d\n", request->alpha2[0], request->alpha2[1], request->initiator)); /* We support only REGDOM_SET_BY_USER as of now */ if ((request->initiator != NL80211_REGDOM_SET_BY_USER) && (request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE)) { WL_ERR(("reg_notifier for intiator:%d not supported : set default\n", request->initiator)); /* in case of no supported country by regdb lets driver setup platform default Locale */ } WL_ERR(("Set country code %c%c from %s\n", request->alpha2[0], request->alpha2[1], ((request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) ? " 11d AP" : "User"))); if ((ret = wldev_set_country(bcmcfg_to_prmry_ndev(cfg), request->alpha2, false, (request->initiator == NL80211_REGDOM_SET_BY_USER ? true : false))) < 0) { WL_ERR(("set country Failed :%d\n", ret)); } return ret; } #endif /* CONFIG_CFG80211_INTERNAL_REGDB */ #ifdef CONFIG_PM #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) static const struct wiphy_wowlan_support brcm_wowlan_support = { .flags = WIPHY_WOWLAN_ANY, }; #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0) */ #endif /* CONFIG_PM */ static s32 wl_setup_wiphy(struct wireless_dev *wdev, struct device *sdiofunc_dev, void *context) { s32 err = 0; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) dhd_pub_t *dhd = (dhd_pub_t *)context; BCM_REFERENCE(dhd); if (!dhd) { WL_ERR(("DHD is NULL!!")); err = -ENODEV; return err; } #endif wdev->wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct bcm_cfg80211)); if (unlikely(!wdev->wiphy)) { WL_ERR(("Couldn not allocate wiphy device\n")); err = -ENOMEM; return err; } set_wiphy_dev(wdev->wiphy, sdiofunc_dev); wdev->wiphy->max_scan_ie_len = WL_SCAN_IE_LEN_MAX; /* Report how many SSIDs Driver can support per Scan request */ wdev->wiphy->max_scan_ssids = WL_SCAN_PARAMS_SSID_MAX; wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; #ifdef WL_SCHED_SCAN wdev->wiphy->max_sched_scan_ssids = MAX_PFN_LIST_COUNT; wdev->wiphy->max_match_sets = MAX_PFN_LIST_COUNT; wdev->wiphy->max_sched_scan_ie_len = WL_SCAN_IE_LEN_MAX; #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0) wdev->wiphy->max_sched_scan_reqs = 1; #else wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; #endif #endif /* WL_SCHED_SCAN */ wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC) #if !defined(WL_ENABLE_P2P_IF) && !defined(WL_CFG80211_P2P_DEV_IF) | BIT(NL80211_IFTYPE_MONITOR) #endif /* !WL_ENABLE_P2P_IF && !WL_CFG80211_P2P_DEV_IF */ #if defined(WL_IFACE_COMB_NUM_CHANNELS) || defined(WL_CFG80211_P2P_DEV_IF) | BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO) #endif /* WL_IFACE_COMB_NUM_CHANNELS || WL_CFG80211_P2P_DEV_IF */ #if defined(WL_CFG80211_P2P_DEV_IF) | BIT(NL80211_IFTYPE_P2P_DEVICE) #endif /* WL_CFG80211_P2P_DEV_IF */ | BIT(NL80211_IFTYPE_AP); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) && \ (defined(WL_IFACE_COMB_NUM_CHANNELS) || defined(WL_CFG80211_P2P_DEV_IF)) WL_DBG(("Setting interface combinations for common mode\n")); wdev->wiphy->iface_combinations = common_iface_combinations; wdev->wiphy->n_iface_combinations = ARRAY_SIZE(common_iface_combinations); #endif /* LINUX_VER >= 3.0 && (WL_IFACE_COMB_NUM_CHANNELS || WL_CFG80211_P2P_DEV_IF) */ wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; wdev->wiphy->cipher_suites = __wl_cipher_suites; wdev->wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); wdev->wiphy->max_remain_on_channel_duration = 5000; wdev->wiphy->mgmt_stypes = wl_cfg80211_default_mgmt_stypes; #ifndef WL_POWERSAVE_DISABLED wdev->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; #else wdev->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; #endif /* !WL_POWERSAVE_DISABLED */ wdev->wiphy->flags |= WIPHY_FLAG_NETNS_OK | WIPHY_FLAG_4ADDR_AP | #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 39)) WIPHY_FLAG_SUPPORTS_SEPARATE_DEFAULT_KEYS | #endif WIPHY_FLAG_4ADDR_STATION; #if (defined(ROAM_ENABLE) || defined(BCMFW_ROAM_ENABLE)) && (LINUX_VERSION_CODE >= \ KERNEL_VERSION(3, 2, 0)) /* Please use supplicant ver >= 76 if FW_ROAM is enabled * If driver advertises FW_ROAM, older supplicant wouldn't * send the BSSID & Freq in the connect req command. This * will delay the ASSOC as the FW need to do a full scan * before attempting to connect. Supplicant >=76 has patch * to allow bssid & freq to be sent down to driver even if * FW ROAM is advertised. */ /* wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM; */ #endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) wdev->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | WIPHY_FLAG_OFFCHAN_TX; #endif #if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \ 4, 0)) /* From 3.4 kernel ownards AP_SME flag can be advertised * to remove the patch from supplicant */ wdev->wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME; #ifdef WL_CFG80211_ACL /* Configure ACL capabilities. */ wdev->wiphy->max_acl_mac_addrs = MAX_NUM_MAC_FILT; #endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) /* Supplicant distinguish between the SoftAP mode and other * modes (e.g. P2P, WPS, HS2.0) when it builds the probe * response frame from Supplicant MR1 and Kernel 3.4.0 or * later version. To add Vendor specific IE into the * probe response frame in case of SoftAP mode, * AP_PROBE_RESP_OFFLOAD flag is set to wiphy->flags variable. */ if ((!op_mode && dhd_get_fw_mode(dhd->info) == DHD_FLAG_HOSTAP_MODE) || (op_mode == DHD_FLAG_HOSTAP_MODE)) { wdev->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD; wdev->wiphy->probe_resp_offload = 0; } #endif #endif /* WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) */ #ifdef CONFIG_CFG80211_INTERNAL_REGDB wdev->wiphy->reg_notifier = wl_cfg80211_reg_notifier; #endif /* CONFIG_CFG80211_INTERNAL_REGDB */ #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; #endif #if defined(CONFIG_PM) && defined(WL_CFG80211_P2P_DEV_IF) /* * From linux-3.10 kernel, wowlan packet filter is mandated to avoid the * disconnection of connected network before suspend. So a dummy wowlan * filter is configured for kernels linux-3.8 and above. */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) wdev->wiphy->wowlan = &brcm_wowlan_support; #else wdev->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY; #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 10) */ #endif /* CONFIG_PM && WL_CFG80211_P2P_DEV_IF */ WL_DBG(("Registering custom regulatory)\n")); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) wdev->wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG; #else wdev->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY; #endif wiphy_apply_custom_regulatory(wdev->wiphy, &brcm_regdom); #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0)) || defined(WL_VENDOR_EXT_SUPPORT) WL_DBG(("Registering Vendor80211\n")); err = wl_cfgvendor_attach(wdev->wiphy, dhd); if (unlikely(err < 0)) { WL_ERR(("Couldn not attach vendor commands (%d)\n", err)); } #endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0)) || defined(WL_VENDOR_EXT_SUPPORT) */ /* Now we can register wiphy with cfg80211 module */ err = wiphy_register(wdev->wiphy); if (unlikely(err < 0)) { WL_ERR(("Couldn not register wiphy device (%d)\n", err)); wiphy_free(wdev->wiphy); } #if ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) && (LINUX_VERSION_CODE <= \ KERNEL_VERSION(3, 3, 0))) && defined(WL_IFACE_COMB_NUM_CHANNELS) wdev->wiphy->flags &= ~WIPHY_FLAG_ENFORCE_COMBINATIONS; #endif return err; } static void wl_free_wdev(struct bcm_cfg80211 *cfg) { struct wireless_dev *wdev = cfg->wdev; struct wiphy *wiphy; if (!wdev) { WL_ERR(("wdev is invalid\n")); return; } wiphy = wdev->wiphy; #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0)) || defined(WL_VENDOR_EXT_SUPPORT) wl_cfgvendor_detach(wdev->wiphy); #endif /* if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 13, 0)) || defined(WL_VENDOR_EXT_SUPPORT) */ wiphy_unregister(wdev->wiphy); wdev->wiphy->dev.parent = NULL; wl_delete_all_netinfo(cfg); wiphy_free(wiphy); /* PLEASE do NOT call any function after wiphy_free, the driver's private structure "cfg", * which is the private part of wiphy, has been freed in wiphy_free !!!!!!!!!!! */ } static s32 wl_inform_bss(struct bcm_cfg80211 *cfg) { struct wl_scan_results *bss_list; struct wl_bss_info *bi = NULL; /* must be initialized */ s32 err = 0; s32 i; bss_list = cfg->bss_list; WL_DBG(("scanned AP count (%d)\n", bss_list->count)); bi = next_bss(bss_list, bi); for_each_bss(bss_list, bi, i) { err = wl_inform_single_bss(cfg, bi, false); if (unlikely(err)) break; } return err; } static s32 wl_inform_single_bss(struct bcm_cfg80211 *cfg, struct wl_bss_info *bi, bool roam) { struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); struct ieee80211_mgmt *mgmt; struct ieee80211_channel *channel; struct ieee80211_supported_band *band; struct wl_cfg80211_bss_info *notif_bss_info; struct wl_scan_req *sr = wl_to_sr(cfg); struct beacon_proberesp *beacon_proberesp; struct cfg80211_bss *cbss = NULL; s32 mgmt_type; s32 signal; u32 freq; s32 err = 0; gfp_t aflags; if (unlikely(dtoh32(bi->length) > WL_BSS_INFO_MAX)) { WL_DBG(("Beacon is larger than buffer. Discarding\n")); return err; } aflags = (in_atomic()) ? GFP_ATOMIC : GFP_KERNEL; notif_bss_info = kzalloc(sizeof(*notif_bss_info) + sizeof(*mgmt) - sizeof(u8) + WL_BSS_INFO_MAX, aflags); if (unlikely(!notif_bss_info)) { WL_ERR(("notif_bss_info alloc failed\n")); return -ENOMEM; } mgmt = (struct ieee80211_mgmt *)notif_bss_info->frame_buf; notif_bss_info->channel = wf_chspec_ctlchan(wl_chspec_driver_to_host(bi->chanspec)); if (notif_bss_info->channel <= CH_MAX_2G_CHANNEL) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; if (!band) { WL_ERR(("No valid band")); kfree(notif_bss_info); return -EINVAL; } notif_bss_info->rssi = wl_rssi_offset(dtoh16(bi->RSSI)); memcpy(mgmt->bssid, &bi->BSSID, ETHER_ADDR_LEN); mgmt_type = cfg->active_scan ? IEEE80211_STYPE_PROBE_RESP : IEEE80211_STYPE_BEACON; if (!memcmp(bi->SSID, sr->ssid.SSID, bi->SSID_len)) { mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | mgmt_type); } beacon_proberesp = cfg->active_scan ? (struct beacon_proberesp *)&mgmt->u.probe_resp : (struct beacon_proberesp *)&mgmt->u.beacon; beacon_proberesp->timestamp = 0; beacon_proberesp->beacon_int = cpu_to_le16(bi->beacon_period); beacon_proberesp->capab_info = cpu_to_le16(bi->capability); wl_rst_ie(cfg); wl_update_hidden_ap_ie(bi, ((u8 *) bi) + bi->ie_offset, &bi->ie_length, roam); wl_mrg_ie(cfg, ((u8 *) bi) + bi->ie_offset, bi->ie_length); wl_cp_ie(cfg, beacon_proberesp->variable, WL_BSS_INFO_MAX - offsetof(struct wl_cfg80211_bss_info, frame_buf)); notif_bss_info->frame_len = offsetof(struct ieee80211_mgmt, u.beacon.variable) + wl_get_ielen(cfg); #if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 38) freq = ieee80211_channel_to_frequency(notif_bss_info->channel); (void)band->band; #else freq = ieee80211_channel_to_frequency(notif_bss_info->channel, band->band); #endif if (freq == 0) { WL_ERR(("Invalid channel, fail to chcnage channel to freq\n")); kfree(notif_bss_info); return -EINVAL; } channel = ieee80211_get_channel(wiphy, freq); if (unlikely(!channel)) { WL_ERR(("ieee80211_get_channel error\n")); kfree(notif_bss_info); return -EINVAL; } WL_DBG(("SSID : \"%s\", rssi %d, channel %d, capability : 0x04%x, bssid %pM" "mgmt_type %d frame_len %d\n", bi->SSID, notif_bss_info->rssi, notif_bss_info->channel, mgmt->u.beacon.capab_info, &bi->BSSID, mgmt_type, notif_bss_info->frame_len)); signal = notif_bss_info->rssi * 100; if (!mgmt->u.probe_resp.timestamp) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39)) struct timespec ts; get_monotonic_boottime(&ts); mgmt->u.probe_resp.timestamp = ((u64)ts.tv_sec*1000000) + ts.tv_nsec / 1000; #else struct timeval tv; do_gettimeofday(&tv); mgmt->u.probe_resp.timestamp = ((u64)tv.tv_sec*1000000) + tv.tv_usec; #endif } cbss = cfg80211_inform_bss_frame(wiphy, channel, mgmt, le16_to_cpu(notif_bss_info->frame_len), signal, aflags); if (unlikely(!cbss)) { WL_ERR(("cfg80211_inform_bss_frame error\n")); kfree(notif_bss_info); return -EINVAL; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)) cfg80211_put_bss(wiphy, cbss); #else cfg80211_put_bss(cbss); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */ kfree(notif_bss_info); return err; } static bool wl_is_linkup(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e, struct net_device *ndev) { u32 event = ntoh32(e->event_type); u32 status = ntoh32(e->status); u16 flags = ntoh16(e->flags); WL_DBG(("event %d, status %d flags %x\n", event, status, flags)); if (event == WLC_E_SET_SSID) { if (status == WLC_E_STATUS_SUCCESS) { if (!wl_is_ibssmode(cfg, ndev)) return true; } } else if (event == WLC_E_LINK) { if (flags & WLC_EVENT_MSG_LINK) return true; } WL_DBG(("wl_is_linkup false\n")); return false; } static bool wl_is_linkdown(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e) { u32 event = ntoh32(e->event_type); u16 flags = ntoh16(e->flags); if (event == WLC_E_DEAUTH_IND || event == WLC_E_DISASSOC_IND || event == WLC_E_DISASSOC || event == WLC_E_DEAUTH) { #if (WL_DBG_LEVEL > 0) WL_ERR(("Link down Reason : WLC_E_%s\n", wl_dbg_estr[event])); #endif /* (WL_DBG_LEVEL > 0) */ return true; } else if (event == WLC_E_LINK) { if (!(flags & WLC_EVENT_MSG_LINK)) { #if (WL_DBG_LEVEL > 0) WL_ERR(("Link down Reason : WLC_E_%s\n", wl_dbg_estr[event])); #endif /* (WL_DBG_LEVEL > 0) */ return true; } } return false; } static bool wl_is_nonetwork(struct bcm_cfg80211 *cfg, const wl_event_msg_t *e) { u32 event = ntoh32(e->event_type); u32 status = ntoh32(e->status); if (event == WLC_E_LINK && status == WLC_E_STATUS_NO_NETWORKS) return true; if (event == WLC_E_SET_SSID && status != WLC_E_STATUS_SUCCESS) return true; return false; } /* The mainline kernel >= 3.2.0 has support for indicating new/del station * to AP/P2P GO via events. If this change is backported to kernel for which * this driver is being built, then define WL_CFG80211_STA_EVENT. You * should use this new/del sta event mechanism for BRCM supplicant >= 22. */ static s32 wl_notify_connect_status_ap(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data) { s32 err = 0; u32 event = ntoh32(e->event_type); u32 reason = ntoh32(e->reason); u32 len = ntoh32(e->datalen); #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)) && !defined(WL_CFG80211_STA_EVENT) bool isfree = false; u8 *mgmt_frame; u8 bsscfgidx = e->bsscfgidx; s32 freq; s32 channel; u8 *body = NULL; u16 fc = 0; struct ieee80211_supported_band *band; struct ether_addr da; struct ether_addr bssid; struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); channel_info_t ci; #else struct station_info sinfo; #endif WL_DBG(("event %d status %d reason %d\n", event, ntoh32(e->status), reason)); /* if link down, bsscfg is disabled. */ if (event == WLC_E_LINK && reason == WLC_E_LINK_BSSCFG_DIS && wl_get_p2p_status(cfg, IF_DELETING) && (ndev != bcmcfg_to_prmry_ndev(cfg))) { wl_add_remove_eventmsg(ndev, WLC_E_PROBREQ_MSG, false); WL_INFORM(("AP mode link down !! \n")); complete(&cfg->iface_disable); return 0; } if (event == WLC_E_DISASSOC_IND || event == WLC_E_DEAUTH_IND || event == WLC_E_DEAUTH || event == WLC_E_ASSOC || event == WLC_E_ASSOC_IND || event == WLC_E_REASSOC || event == WLC_E_REASSOC_IND) { DHD_NV_INFO(("event %s(%d) status %d reason %d\n", bcmevent_get_name(event), event, ntoh32(e->status), reason)); } #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)) && !defined(WL_CFG80211_STA_EVENT) WL_DBG(("Enter \n")); if (!len && (event == WLC_E_DEAUTH)) { len = 2; /* reason code field */ data = &reason; } if (len) { body = kzalloc(len, GFP_KERNEL); if (body == NULL) { WL_ERR(("wl_notify_connect_status: Failed to allocate body\n")); return WL_INVALID; } } memset(&bssid, 0, ETHER_ADDR_LEN); WL_DBG(("Enter event %d ndev %p\n", event, ndev)); if (wl_get_mode_by_netdev(cfg, ndev) == WL_INVALID) { kfree(body); return WL_INVALID; } if (len) memcpy(body, data, len); wldev_iovar_getbuf_bsscfg(ndev, "cur_etheraddr", NULL, 0, cfg->ioctl_buf, WLC_IOCTL_SMLEN, bsscfgidx, &cfg->ioctl_buf_sync); memcpy(da.octet, cfg->ioctl_buf, ETHER_ADDR_LEN); memset(&bssid, 0, sizeof(bssid)); err = wldev_ioctl(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN, false); switch (event) { case WLC_E_ASSOC_IND: fc = FC_ASSOC_REQ; break; case WLC_E_REASSOC_IND: fc = FC_REASSOC_REQ; break; case WLC_E_DISASSOC_IND: fc = FC_DISASSOC; break; case WLC_E_DEAUTH_IND: fc = FC_DISASSOC; break; case WLC_E_DEAUTH: fc = FC_DISASSOC; break; default: fc = 0; goto exit; } memset(&ci, 0, sizeof(ci)); if ((err = wldev_ioctl(ndev, WLC_GET_CHANNEL, &ci, sizeof(ci), false))) { kfree(body); return err; } channel = dtoh32(ci.hw_channel); if (channel <= CH_MAX_2G_CHANNEL) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; if (!band) { WL_ERR(("No valid band")); if (body) kfree(body); return -EINVAL; } #if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 38) freq = ieee80211_channel_to_frequency(channel); (void)band->band; #else freq = ieee80211_channel_to_frequency(channel, band->band); #endif err = wl_frame_get_mgmt(fc, &da, &e->addr, &bssid, &mgmt_frame, &len, body); if (err < 0) goto exit; isfree = true; if (event == WLC_E_ASSOC_IND && reason == DOT11_SC_SUCCESS) { #if ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) && (LINUX_VERSION_CODE < \ KERNEL_VERSION(3, 18, 0))) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len); #else cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC); #endif } else if (event == WLC_E_DISASSOC_IND) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC); #else cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC); #endif } else if ((event == WLC_E_DEAUTH_IND) || (event == WLC_E_DEAUTH)) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC); #else cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC); #endif } exit: if (isfree) kfree(mgmt_frame); if (body) kfree(body); #else /* LINUX_VERSION < VERSION(3,2,0) && !WL_CFG80211_STA_EVENT && !WL_COMPAT_WIRELESS */ sinfo.filled = 0; if (((event == WLC_E_ASSOC_IND) || (event == WLC_E_REASSOC_IND)) && reason == DOT11_SC_SUCCESS) { /* Linux ver >= 4.0 assoc_req_ies_len is used instead of * STATION_INFO_ASSOC_REQ_IES flag */ #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0)) sinfo.filled = STA_INFO_BIT(INFO_ASSOC_REQ_IES); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)) */ if (!data) { WL_ERR(("No IEs present in ASSOC/REASSOC_IND")); return -EINVAL; } sinfo.assoc_req_ies = data; sinfo.assoc_req_ies_len = len; cfg80211_new_sta(ndev, e->addr.octet, &sinfo, GFP_ATOMIC); } else if (event == WLC_E_DISASSOC_IND) { cfg80211_del_sta(ndev, e->addr.octet, GFP_ATOMIC); } else if ((event == WLC_E_DEAUTH_IND) || (event == WLC_E_DEAUTH)) { cfg80211_del_sta(ndev, e->addr.octet, GFP_ATOMIC); } #endif return err; } static s32 wl_get_auth_assoc_status(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e) { u32 reason = ntoh32(e->reason); u32 event = ntoh32(e->event_type); struct wl_security *sec = wl_read_prof(cfg, ndev, WL_PROF_SEC); WL_DBG(("event type : %d, reason : %d\n", event, reason)); if (sec) { switch (event) { case WLC_E_ASSOC: case WLC_E_AUTH: sec->auth_assoc_res_status = reason; default: break; } } else WL_ERR(("sec is NULL\n")); return 0; } static s32 wl_notify_connect_status_ibss(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data) { s32 err = 0; u32 event = ntoh32(e->event_type); u16 flags = ntoh16(e->flags); u32 status = ntoh32(e->status); bool active; #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) struct ieee80211_channel *channel = NULL; struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); u32 chanspec, chan; u32 freq, band; #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) */ if (event == WLC_E_JOIN) { WL_DBG(("joined in IBSS network\n")); } if (event == WLC_E_START) { WL_DBG(("started IBSS network\n")); } if (event == WLC_E_JOIN || event == WLC_E_START || (event == WLC_E_LINK && (flags == WLC_EVENT_MSG_LINK))) { #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) err = wldev_iovar_getint(ndev, "chanspec", (s32 *)&chanspec); if (unlikely(err)) { WL_ERR(("Could not get chanspec %d\n", err)); return err; } chan = wf_chspec_ctlchan(wl_chspec_driver_to_host(chanspec)); band = (chan <= CH_MAX_2G_CHANNEL) ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; freq = ieee80211_channel_to_frequency(chan, band); channel = ieee80211_get_channel(wiphy, freq); #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) */ if (wl_get_drv_status(cfg, CONNECTED, ndev)) { /* ROAM or Redundant */ u8 *cur_bssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); if (memcmp(cur_bssid, &e->addr, ETHER_ADDR_LEN) == 0) { WL_DBG(("IBSS connected event from same BSSID(" MACDBG "), ignore it\n", MAC2STRDBG(cur_bssid))); return err; } WL_INFORM(("IBSS BSSID is changed from " MACDBG " to " MACDBG "\n", MAC2STRDBG(cur_bssid), MAC2STRDBG((u8 *)&e->addr))); wl_get_assoc_ies(cfg, ndev); wl_update_prof(cfg, ndev, NULL, (void *)&e->addr, WL_PROF_BSSID); wl_update_bss_info(cfg, ndev, false); #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) cfg80211_ibss_joined(ndev, (s8 *)&e->addr, channel, GFP_KERNEL); #else cfg80211_ibss_joined(ndev, (s8 *)&e->addr, GFP_KERNEL); #endif } else { /* New connection */ WL_INFORM(("IBSS connected to " MACDBG "\n", MAC2STRDBG((u8 *)&e->addr))); wl_link_up(cfg); wl_get_assoc_ies(cfg, ndev); wl_update_prof(cfg, ndev, NULL, (void *)&e->addr, WL_PROF_BSSID); wl_update_bss_info(cfg, ndev, false); #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0) cfg80211_ibss_joined(ndev, (s8 *)&e->addr, channel, GFP_KERNEL); #else cfg80211_ibss_joined(ndev, (s8 *)&e->addr, GFP_KERNEL); #endif wl_set_drv_status(cfg, CONNECTED, ndev); active = true; wl_update_prof(cfg, ndev, NULL, (void *)&active, WL_PROF_ACT); } } else if ((event == WLC_E_LINK && !(flags & WLC_EVENT_MSG_LINK)) || event == WLC_E_DEAUTH_IND || event == WLC_E_DISASSOC_IND) { wl_clr_drv_status(cfg, CONNECTED, ndev); wl_link_down(cfg); wl_init_prof(cfg, ndev); } else if (event == WLC_E_SET_SSID && status == WLC_E_STATUS_NO_NETWORKS) { WL_DBG(("no action - join fail (IBSS mode)\n")); } else { WL_DBG(("no action (IBSS mode)\n")); } return err; } static s32 wl_notify_connect_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { bool act; struct net_device *ndev = NULL; s32 err = 0; u32 event = ntoh32(e->event_type); struct wiphy *wiphy = NULL; struct cfg80211_bss *bss = NULL; struct wlc_ssid *ssid = NULL; u8 *bssid = 0; dhd_pub_t *dhdp; ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); dhdp = (dhd_pub_t *)(cfg->pub); BCM_REFERENCE(dhdp); if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_AP) { err = wl_notify_connect_status_ap(cfg, ndev, e, data); } else if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_IBSS) { err = wl_notify_connect_status_ibss(cfg, ndev, e, data); } else if (wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_BSS) { WL_DBG(("wl_notify_connect_status : event %d status : %d ndev %p\n", ntoh32(e->event_type), ntoh32(e->status), ndev)); if (event == WLC_E_ASSOC || event == WLC_E_AUTH) { wl_get_auth_assoc_status(cfg, ndev, e); return 0; } if (wl_is_linkup(cfg, e, ndev)) { wl_link_up(cfg); act = true; if (!wl_get_drv_status(cfg, DISCONNECTING, ndev)) { DHD_NV_INFO(("wl_bss_connect_done succeeded with " MACDBG "\n", MAC2STRDBG((const u8 *)(&e->addr)))); wl_bss_connect_done(cfg, ndev, e, data, true); WL_DBG(("joined in BSS network \"%s\"\n", ((struct wlc_ssid *) wl_read_prof(cfg, ndev, WL_PROF_SSID))->SSID)); #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA TEGRA_SYSFS_HISTOGRAM_STAT_UPDATE_4WHS(); #endif } wl_update_prof(cfg, ndev, e, &act, WL_PROF_ACT); wl_update_prof(cfg, ndev, NULL, (const void *)&e->addr, WL_PROF_BSSID); } else if (wl_is_linkdown(cfg, e)) { /* suppressing the deauth */ if (ntoh32(e->status) == WLC_E_STATUS_SUPPRESS) { WL_ERR(("deauth suppress state (iname: %s), status:%d\n", ndev->name, ntoh32(e->status))); return 0; } #ifdef P2PLISTEN_AP_SAMECHN if (ndev == bcmcfg_to_prmry_ndev(cfg)) { wl_cfg80211_set_p2p_resp_ap_chn(ndev, 0); cfg->p2p_resp_apchn_status = false; WL_DBG(("p2p_resp_apchn_status Turn OFF \n")); } #endif /* P2PLISTEN_AP_SAMECHN */ wl_cfg80211_cancel_scan(cfg); /* Explicitly calling unlink to remove BSS in CFG */ wiphy = bcmcfg_to_wiphy(cfg); ssid = (struct wlc_ssid *)wl_read_prof(cfg, ndev, WL_PROF_SSID); bssid = (u8 *)wl_read_prof(cfg, ndev, WL_PROF_BSSID); if (ssid && bssid) { bss = CFG80211_GET_BSS(wiphy, NULL, bssid, ssid->SSID, ssid->SSID_len); if (bss) { cfg80211_unlink_bss(wiphy, bss); CFG80211_PUT_BSS(wiphy, bss); } } if (wl_get_drv_status(cfg, CONNECTED, ndev)) { scb_val_t scbval; u8 *curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); s32 reason = 0; struct ether_addr bssid_dongle = { { 0, 0, 0, 0, 0, 0 } }; struct ether_addr bssid_null = { { 0, 0, 0, 0, 0, 0 } }; if (event == WLC_E_DEAUTH_IND || event == WLC_E_DISASSOC_IND) reason = ntoh32(e->reason); /* WLAN_REASON_UNSPECIFIED is used for hang up event in Android */ reason = (reason == WLAN_REASON_UNSPECIFIED)? 0 : reason; DHD_NV_INFO(("link down if %s may call cfg80211_disconnected. " "event : %d, reason=%d from " MACDBG "\n", ndev->name, event, ntoh32(e->reason), MAC2STRDBG((u8*)(&e->addr)))); /* Re-set existing country code to restore channel * flags on DFS channels */ if ((cfg->channel >= 50) && (cfg->channel <= 144)) { err = wldev_set_country(ndev, NULL, true, false); if (err < 0) { if (err == BCME_UNSUPPORTED) { /* Re-set band to restore passive channel flags */ wldev_reset_band(ndev); } else { WL_ERR(("%s: failed to reset ccode (%d)\n", __func__, err)); } } } #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA if (ntoh32(e->reason) == 15) { TEGRA_SYSFS_HISTOGRAM_STAT_INC(connect_fail_reason_15); TEGRA_SYSFS_HISTOGRAM_STAT_UPDATE_4WHS(); } /* Reset per connection lifetime stats */ SET_DRV_STAT(aggr_not_assoc_err, 0); #endif /* roam offload does not sync BSSID always, get it from dongle */ if (cfg->roam_offload) { if (wldev_ioctl(ndev, WLC_GET_BSSID, &bssid_dongle, sizeof(bssid_dongle), false) == BCME_OK) { /* if not roam case, it would return null bssid */ if (memcmp(&bssid_dongle, &bssid_null, ETHER_ADDR_LEN) != 0) { curbssid = (u8 *)&bssid_dongle; } } } if (memcmp(curbssid, &e->addr, ETHER_ADDR_LEN) != 0) { bool fw_assoc_state = TRUE; dhd_pub_t *dhd = (dhd_pub_t *)cfg->pub; fw_assoc_state = dhd_is_associated(dhd, 0, &err); if (!fw_assoc_state) { WL_ERR(("Event sends up even different BSSID" " cur: " MACDBG " event: " MACDBG" e->ifidx:%d\n", MAC2STRDBG(curbssid), MAC2STRDBG((const u8 *)(&e->addr)), e->ifidx)); } else { WL_ERR(("BSSID of event is not the connected BSSID" "(ignore it) cur: " MACDBG " event: " MACDBG" e->ifidx:%d\n", MAC2STRDBG(curbssid), MAC2STRDBG((const u8 *)(&e->addr)), e->ifidx)); return 0; } } wl_clr_drv_status(cfg, CONNECTED, ndev); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) CFG80211_DISCONNECTED(ndev, reason, NULL, 0, false, GFP_KERNEL); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) */ if (!wl_get_drv_status(cfg, DISCONNECTING, ndev)) { /* To make sure disconnect, explictly send dissassoc * for BSSID 00:00:00:00:00:00 issue */ scbval.val = WLAN_REASON_DEAUTH_LEAVING; memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN); scbval.val = htod32(scbval.val); err = wldev_ioctl(ndev, WLC_DISASSOC, &scbval, sizeof(scb_val_t), true); if (err < 0) { WL_ERR(("WLC_DISASSOC error %d\n", err)); err = 0; } CFG80211_DISCONNECTED(ndev, reason, NULL, 0, false, GFP_KERNEL); wl_link_down(cfg); wl_init_prof(cfg, ndev); } CFG80211_DISCONNECTED(ndev, reason, NULL, 0, false, GFP_KERNEL); wl_link_down(cfg); wl_init_prof(cfg, ndev); complete(&cfg->send_disconnected); } else if (wl_get_drv_status(cfg, CONNECTING, ndev)) { u8 *curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); if (memcmp(curbssid, &e->addr, ETHER_ADDR_LEN) != 0) { WL_ERR(("BSSID of event is not from " "cur (ignore it): " MACDBG " event: " MACDBG" e->ifidx:%d\n", MAC2STRDBG(curbssid), MAC2STRDBG((const u8 *)(&e->addr)), e->ifidx)); return 0; } WL_ERR(("link down, during connecting\n")); /* Issue WLC_DISASSOC to prevent FW roam attempts */ err = wldev_ioctl(ndev, WLC_DISASSOC, NULL, 0, true); if (err < 0) { WL_ERR(("CONNECTING state, WLC_DISASSOC error %d\n", err)); err = 0; } #ifdef ESCAN_RESULT_PATCH if ((memcmp(connect_req_bssid, broad_bssid, ETHER_ADDR_LEN) == 0) || (memcmp(&e->addr, broad_bssid, ETHER_ADDR_LEN) == 0) || (memcmp(&e->addr, connect_req_bssid, ETHER_ADDR_LEN) == 0)) /* In case this event comes while associating another AP */ #endif /* ESCAN_RESULT_PATCH */ wl_bss_connect_done(cfg, ndev, e, data, false); /* Clear driver status as CONNECTING since the link is already down if bssid is same, else new connection is in progress so don't clear CONNECTING flag */ if ((memcmp(&e->addr, connect_req_bssid, ETHER_ADDR_LEN) == 0) || (memcmp("\0\0\0\0\0\0", connect_req_bssid, ETHER_ADDR_LEN) == 0)) { pr_info("clearing CONNECTING drv status, connect_req_bssid: " MACDBG " e->addr: " MACDBG "\n", MAC2STRDBG(connect_req_bssid), MAC2STRDBG((u8*)(&e->addr))); wl_clr_drv_status(cfg, CONNECTING, ndev); } } wl_clr_drv_status(cfg, DISCONNECTING, ndev); /* if link down, bsscfg is diabled */ if (ndev != bcmcfg_to_prmry_ndev(cfg)) complete(&cfg->iface_disable); } else if (wl_is_nonetwork(cfg, e)) { WL_ERR(("connect failed event=%d e->status %d e->reason %d \n", event, (int)ntoh32(e->status), (int)ntoh32(e->reason))); #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA if (event == 0 && (int)ntoh32(e->status) == 1) { TEGRA_SYSFS_HISTOGRAM_STAT_INC(connect_fail_set_ssid); } #endif /* Clean up any pending scan request */ wl_cfg80211_cancel_scan(cfg); if (wl_get_drv_status(cfg, CONNECTING, ndev)) wl_bss_connect_done(cfg, ndev, e, data, false); } else { WL_DBG(("%s nothing\n", __FUNCTION__)); } } else { WL_ERR(("Invalid ndev status %d\n", wl_get_mode_by_netdev(cfg, ndev))); } return err; } void wl_cfg80211_set_rmc_pid(int pid) { struct bcm_cfg80211 *cfg = g_bcm_cfg; if (pid > 0) cfg->rmc_event_pid = pid; WL_DBG(("set pid for rmc event : pid=%d\n", pid)); } static s32 wl_notify_rmc_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { u32 evt = ntoh32(e->event_type); u32 reason = ntoh32(e->reason); int ret = -1; switch (reason) { case WLC_E_REASON_RMC_AR_LOST: case WLC_E_REASON_RMC_AR_NO_ACK: if (cfg->rmc_event_pid != 0) { ret = wl_netlink_send_msg(cfg->rmc_event_pid, RMC_EVENT_LEADER_CHECK_FAIL, cfg->rmc_event_seq++, NULL, 0); } break; default: break; } WL_DBG(("rmcevent : evt=%d, pid=%d, ret=%d\n", evt, cfg->rmc_event_pid, ret)); return ret; } static s32 wl_notify_roaming_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { bool act; struct net_device *ndev = NULL; s32 err = 0; u32 event = be32_to_cpu(e->event_type); u32 status = be32_to_cpu(e->status); WL_DBG(("Enter \n")); ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); if ((!cfg->disable_roam_event) && (event == WLC_E_BSSID)) { wl_add_remove_eventmsg(ndev, WLC_E_ROAM, false); cfg->disable_roam_event = TRUE; } if ((cfg->disable_roam_event) && (event == WLC_E_ROAM)) return err; if ((event == WLC_E_ROAM || event == WLC_E_BSSID) && status == WLC_E_STATUS_SUCCESS) { if (wl_get_drv_status(cfg, CONNECTED, ndev)) { if (cfg->roam_offload && memcmp(&cfg->last_roamed_addr, &e->addr, ETHER_ADDR_LEN) == 0) { WL_INFORM(("BSSID already updated\n")); return err; } wl_bss_roaming_done(cfg, ndev, e, data); memcpy(&cfg->last_roamed_addr, (void *)&e->addr, ETHER_ADDR_LEN); } else { wl_bss_connect_done(cfg, ndev, e, data, true); } act = true; wl_update_prof(cfg, ndev, e, &act, WL_PROF_ACT); wl_update_prof(cfg, ndev, NULL, (void *)&e->addr, WL_PROF_BSSID); } return err; } #ifdef QOS_MAP_SET /* up range from low to high with up value */ static bool up_table_set(uint8 *up_table, uint8 up, uint8 low, uint8 high) { int i; if (up > 7 || low > high || low >= UP_TABLE_MAX || high >= UP_TABLE_MAX) { return FALSE; } for (i = low; i <= high; i++) { up_table[i] = up; } return TRUE; } /* set user priority table */ static void wl_set_up_table(uint8 *up_table, bcm_tlv_t *qos_map_ie) { uint8 len; if (up_table == NULL || qos_map_ie == NULL) { return; } /* clear table to check table was set or not */ memset(up_table, 0xff, UP_TABLE_MAX); /* length of QoS Map IE must be 16+n*2, n is number of exceptions */ if (qos_map_ie != NULL && qos_map_ie->id == DOT11_MNG_QOS_MAP_ID && (len = qos_map_ie->len) >= QOS_MAP_FIXED_LENGTH && (len % 2) == 0) { uint8 *except_ptr = (uint8 *)qos_map_ie->data; uint8 except_len = len - QOS_MAP_FIXED_LENGTH; uint8 *range_ptr = except_ptr + except_len; int i; /* fill in ranges */ for (i = 0; i < QOS_MAP_FIXED_LENGTH; i += 2) { uint8 low = range_ptr[i]; uint8 high = range_ptr[i + 1]; if (low == 255 && high == 255) { continue; } if (!up_table_set(up_table, i / 2, low, high)) { /* clear the table on failure */ memset(up_table, 0xff, UP_TABLE_MAX); return; } } /* update exceptions */ for (i = 0; i < except_len; i += 2) { uint8 dscp = except_ptr[i]; uint8 up = except_ptr[i+1]; /* exceptions with invalid dscp/up are ignored */ up_table_set(up_table, up, dscp, dscp); } } if (wl_dbg_level & WL_DBG_DBG) { prhex("UP table", up_table, UP_TABLE_MAX); } } /* get user priority table */ uint8 *wl_get_up_table(void) { return (uint8 *)(g_bcm_cfg->up_table); } #endif /* QOS_MAP_SET */ static s32 wl_get_assoc_ies(struct bcm_cfg80211 *cfg, struct net_device *ndev) { wl_assoc_info_t assoc_info; struct wl_connect_info *conn_info = wl_to_conn(cfg); s32 err = 0; #ifdef QOS_MAP_SET bcm_tlv_t * qos_map_ie = NULL; #endif /* QOS_MAP_SET */ WL_DBG(("Enter \n")); err = wldev_iovar_getbuf(ndev, "assoc_info", NULL, 0, cfg->extra_buf, WL_ASSOC_INFO_MAX, NULL); if (unlikely(err)) { WL_ERR(("could not get assoc info (%d)\n", err)); return err; } memcpy(&assoc_info, cfg->extra_buf, sizeof(wl_assoc_info_t)); assoc_info.req_len = htod32(assoc_info.req_len); assoc_info.resp_len = htod32(assoc_info.resp_len); assoc_info.flags = htod32(assoc_info.flags); if (assoc_info.req_len > (MAX_REQ_LINE + sizeof(struct dot11_assoc_req) + ((assoc_info.flags & WLC_ASSOC_REQ_IS_REASSOC) ? ETHER_ADDR_LEN : 0))) { err = BCME_BADLEN; goto exit; } if ((assoc_info.req_len > 0) && (assoc_info.req_len < (sizeof(struct dot11_assoc_req) + ((assoc_info.flags & WLC_ASSOC_REQ_IS_REASSOC) ? ETHER_ADDR_LEN : 0)))) { err = BCME_BADLEN; goto exit; } if (assoc_info.resp_len > (MAX_REQ_LINE + sizeof(struct dot11_assoc_resp))) { err = BCME_BADLEN; goto exit; } if ((assoc_info.resp_len > 0) && (assoc_info.resp_len < sizeof(struct dot11_assoc_resp))) { err = BCME_BADLEN; goto exit; } if (conn_info->req_ie_len) { conn_info->req_ie_len = 0; bzero(conn_info->req_ie, sizeof(conn_info->req_ie)); } if (conn_info->resp_ie_len) { conn_info->resp_ie_len = 0; bzero(conn_info->resp_ie, sizeof(conn_info->resp_ie)); } if (assoc_info.req_len) { err = wldev_iovar_getbuf(ndev, "assoc_req_ies", NULL, 0, cfg->extra_buf, WL_ASSOC_INFO_MAX, NULL); if (unlikely(err)) { WL_ERR(("could not get assoc req (%d)\n", err)); goto exit; } conn_info->req_ie_len = assoc_info.req_len - sizeof(struct dot11_assoc_req); if (assoc_info.flags & WLC_ASSOC_REQ_IS_REASSOC) { conn_info->req_ie_len -= ETHER_ADDR_LEN; } memcpy(conn_info->req_ie, cfg->extra_buf, conn_info->req_ie_len); } if (assoc_info.resp_len) { err = wldev_iovar_getbuf(ndev, "assoc_resp_ies", NULL, 0, cfg->extra_buf, WL_ASSOC_INFO_MAX, NULL); if (unlikely(err)) { WL_ERR(("could not get assoc resp (%d)\n", err)); goto exit; } conn_info->resp_ie_len = assoc_info.resp_len - sizeof(struct dot11_assoc_resp); memcpy(conn_info->resp_ie, cfg->extra_buf, conn_info->resp_ie_len); #ifdef QOS_MAP_SET /* find qos map set ie */ if ((qos_map_ie = bcm_parse_tlvs(conn_info->resp_ie, conn_info->resp_ie_len, DOT11_MNG_QOS_MAP_ID)) != NULL) { WL_DBG((" QoS map set IE found in assoc response\n")); if (!cfg->up_table) { cfg->up_table = kmalloc(UP_TABLE_MAX, GFP_KERNEL); } wl_set_up_table(cfg->up_table, qos_map_ie); } else { kfree(cfg->up_table); cfg->up_table = NULL; } #endif /* QOS_MAP_SET */ } exit: if (err) { WL_ERR(("err:%d assoc-req:%u,resp:%u conn-req:%u,resp:%u\n", err, assoc_info.req_len, assoc_info.resp_len, conn_info->req_ie_len, conn_info->resp_ie_len)); } return err; } static void wl_ch_to_chanspec(int ch, struct wl_join_params *join_params, size_t *join_params_size) { chanspec_t chanspec = 0; if (ch != 0) { join_params->params.chanspec_num = 1; join_params->params.chanspec_list[0] = ch; if (join_params->params.chanspec_list[0] <= CH_MAX_2G_CHANNEL) chanspec |= WL_CHANSPEC_BAND_2G; else chanspec |= WL_CHANSPEC_BAND_5G; chanspec |= WL_CHANSPEC_BW_20; chanspec |= WL_CHANSPEC_CTL_SB_NONE; *join_params_size += WL_ASSOC_PARAMS_FIXED_SIZE + join_params->params.chanspec_num * sizeof(chanspec_t); join_params->params.chanspec_list[0] &= WL_CHANSPEC_CHAN_MASK; join_params->params.chanspec_list[0] |= chanspec; join_params->params.chanspec_list[0] = wl_chspec_host_to_driver(join_params->params.chanspec_list[0]); join_params->params.chanspec_num = htod32(join_params->params.chanspec_num); WL_DBG(("join_params->params.chanspec_list[0]= %X, %d channels\n", join_params->params.chanspec_list[0], join_params->params.chanspec_num)); } } static s32 wl_update_bss_info(struct bcm_cfg80211 *cfg, struct net_device *ndev, bool roam) { struct cfg80211_bss *bss; struct wl_bss_info *bi; struct wlc_ssid *ssid; struct bcm_tlv *tim; s32 beacon_interval; s32 dtim_period = 0; size_t ie_len; u8 *ie; u8 *curbssid; s32 err = 0; struct wiphy *wiphy; u32 channel; char *buf; struct ieee80211_channel *cur_channel; u32 freq, band; wiphy = bcmcfg_to_wiphy(cfg); ssid = (struct wlc_ssid *)wl_read_prof(cfg, ndev, WL_PROF_SSID); curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); mutex_lock(&cfg->usr_sync); buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); if (!buf) { WL_ERR(("buffer alloc failed.\n")); return BCME_NOMEM; } *(u32 *)buf = htod32(WL_EXTRA_BUF_MAX); err = wldev_ioctl(ndev, WLC_GET_BSS_INFO, buf, WL_EXTRA_BUF_MAX, false); if (unlikely(err)) { WL_ERR(("Could not get bss info %d\n", err)); goto update_bss_info_out; } bi = (struct wl_bss_info *)(buf + 4); channel = wf_chspec_ctlchan(wl_chspec_driver_to_host(bi->chanspec)); wl_update_prof(cfg, ndev, NULL, &channel, WL_PROF_CHAN); #if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 38) freq = ieee80211_channel_to_frequency(channel); #else band = (channel <= CH_MAX_2G_CHANNEL) ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; freq = ieee80211_channel_to_frequency(channel, band); #endif cur_channel = ieee80211_get_channel(wiphy, freq); bss = CFG80211_GET_BSS(wiphy, cur_channel, curbssid, ssid->SSID, ssid->SSID_len); if (!bss) { WL_DBG(("Could not find the AP\n")); if (memcmp(bi->BSSID.octet, curbssid, ETHER_ADDR_LEN)) { WL_ERR(("Bssid doesn't match\n")); err = -EIO; goto update_bss_info_out; } err = wl_inform_single_bss(cfg, bi, roam); if (unlikely(err)) goto update_bss_info_out; ie = ((u8 *)bi) + bi->ie_offset; ie_len = bi->ie_length; beacon_interval = cpu_to_le16(bi->beacon_period); } else { WL_DBG(("Found the AP in the list - BSSID %pM\n", bss->bssid)); #if defined(WL_CFG80211_P2P_DEV_IF) ie = (u8 *)bss->ies->data; ie_len = bss->ies->len; #else ie = bss->information_elements; ie_len = bss->len_information_elements; #endif /* WL_CFG80211_P2P_DEV_IF */ beacon_interval = bss->beacon_interval; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)) cfg80211_put_bss(wiphy, bss); #else cfg80211_put_bss(bss); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */ } tim = bcm_parse_tlvs(ie, ie_len, WLAN_EID_TIM); if (tim) { dtim_period = tim->data[1]; } else { /* * active scan was done so we could not get dtim * information out of probe response. * so we speficially query dtim information. */ err = wldev_ioctl(ndev, WLC_GET_DTIMPRD, &dtim_period, sizeof(dtim_period), false); if (unlikely(err)) { WL_ERR(("WLC_GET_DTIMPRD error (%d)\n", err)); goto update_bss_info_out; } } wl_update_prof(cfg, ndev, NULL, &beacon_interval, WL_PROF_BEACONINT); wl_update_prof(cfg, ndev, NULL, &dtim_period, WL_PROF_DTIMPERIOD); update_bss_info_out: if (unlikely(err)) { WL_ERR(("Failed with error %d\n", err)); } kfree(buf); mutex_unlock(&cfg->usr_sync); return err; } static s32 wl_bss_roaming_done(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data) { struct wl_connect_info *conn_info = wl_to_conn(cfg); s32 err = 0; u8 *curbssid; u32 *channel; #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); struct ieee80211_supported_band *band; struct ieee80211_channel *notify_channel = NULL; u32 freq; struct channel_info ci; u32 cur_channel; #endif #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 11, 0)) struct cfg80211_roam_info info; #endif /* Skip calling cfg80211_roamed If the channels are same and * the current bssid/last_roamed_bssid & the new bssid are same * Also clear timer roam_timeout. */ curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); channel = (u32 *)wl_read_prof(cfg, ndev, WL_PROF_CHAN); if ((wldev_ioctl(ndev, WLC_GET_CHANNEL, &ci, sizeof(ci), false)) < 0) { WL_ERR(("Failed to get current channel !")); return BCME_ERROR; } cur_channel = dtoh32(ci.hw_channel); if ((*channel == cur_channel) && ((memcmp(curbssid, &e->addr, ETHER_ADDR_LEN) == 0) || (memcmp(&cfg->last_roamed_addr, &e->addr, ETHER_ADDR_LEN) == 0))) { WL_ERR(("BSS already present, Skipping roamed event to" " upper layer\n")); return err; } wl_get_assoc_ies(cfg, ndev); wl_update_prof(cfg, ndev, NULL, (const void *)(e->addr.octet), WL_PROF_BSSID); curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); wl_update_bss_info(cfg, ndev, true); wl_update_pmklist(ndev, cfg->pmk_list, err); channel = (u32 *)wl_read_prof(cfg, ndev, WL_PROF_CHAN); #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) /* channel info for cfg80211_roamed introduced in 2.6.39-rc1 */ channel = (u32 *)wl_read_prof(cfg, ndev, WL_PROF_CHAN); if (*channel <= CH_MAX_2G_CHANNEL) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; freq = ieee80211_channel_to_frequency(*channel, band->band); notify_channel = ieee80211_get_channel(wiphy, freq); #endif WL_ERR(("wl_bss_roaming_done succeeded to " MACDBG " (ch:%d)\n", MAC2STRDBG((const u8 *)(&e->addr)), *channel)); #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 11, 0)) info.channel = notify_channel; info.bss = NULL; info.bssid = curbssid; info.req_ie = conn_info->req_ie; info.req_ie_len = conn_info->req_ie_len; info.resp_ie = conn_info->resp_ie; info.resp_ie_len = conn_info->resp_ie_len; info.authorized = false; cfg80211_roamed(ndev, &info, GFP_KERNEL); #else cfg80211_roamed(ndev, #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) notify_channel, #endif curbssid, conn_info->req_ie, conn_info->req_ie_len, conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL); #endif WL_DBG(("Report roaming result\n")); memcpy(&cfg->last_roamed_addr, &e->addr, ETHER_ADDR_LEN); wl_set_drv_status(cfg, CONNECTED, ndev); return err; } static bool wl_cfg80211_verify_bss(struct bcm_cfg80211 *cfg, struct net_device *ndev) { struct cfg80211_bss *bss; struct wiphy *wiphy; struct wlc_ssid *ssid; uint8 *curbssid; int count = 0; bool ret = false; wiphy = bcmcfg_to_wiphy(cfg); ssid = (struct wlc_ssid *)wl_read_prof(cfg, ndev, WL_PROF_SSID); if (!ssid) { WL_ERR(("No SSID found in the saved profile \n")); return false; } curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); do { bss = CFG80211_GET_BSS(wiphy, NULL, curbssid, ssid->SSID, ssid->SSID_len); cfg->wdev->ssid_len = ssid->SSID_len; if (bss || (count > 5)) { break; } count++; msleep(100); } while (bss == NULL); WL_DBG(("cfg80211 bss_ptr:%p loop_cnt:%d\n", bss, count)); if (bss) { /* Update the reference count after use */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)) cfg80211_put_bss(wiphy, bss); #else cfg80211_put_bss(bss); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */ ret = true; } return ret; } static s32 wl_bss_connect_done(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data, bool completed) { struct wl_connect_info *conn_info = wl_to_conn(cfg); struct wl_security *sec = wl_read_prof(cfg, ndev, WL_PROF_SEC); #if (defined(ROAM_ENABLE) && defined(ROAM_AP_ENV_DETECTION)) || \ defined(CUSTOM_SET_CPUCORE) dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); #endif /* (ROAM_ENABLE && ROAM_AP_ENV_DETECTION) || CUSTOM_SET_CPUCORE */ s32 err = 0; u8 *curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); if (!sec) { WL_ERR(("sec is NULL\n")); return -ENODEV; } WL_DBG((" enter\n")); #ifdef ESCAN_RESULT_PATCH if (wl_get_drv_status(cfg, CONNECTED, ndev)) { if (memcmp(curbssid, connect_req_bssid, ETHER_ADDR_LEN) == 0) { WL_DBG((" Connected event of connected device e=%d s=%d, ignore it\n", ntoh32(e->event_type), ntoh32(e->status))); return err; } } if (memcmp(curbssid, broad_bssid, ETHER_ADDR_LEN) == 0 && memcmp(broad_bssid, connect_req_bssid, ETHER_ADDR_LEN) != 0) { WL_DBG(("copy bssid\n")); memcpy(curbssid, connect_req_bssid, ETHER_ADDR_LEN); } #else if (cfg->scan_request) { wl_notify_escan_complete(cfg, ndev, true, true); } #endif /* ESCAN_RESULT_PATCH */ if (wl_get_drv_status(cfg, CONNECTING, ndev)) { wl_cfg80211_scan_abort(cfg); wl_clr_drv_status(cfg, CONNECTING, ndev); if (completed) { wl_get_assoc_ies(cfg, ndev); wl_update_prof(cfg, ndev, NULL, (void *)(e->addr.octet), WL_PROF_BSSID); curbssid = wl_read_prof(cfg, ndev, WL_PROF_BSSID); wl_update_bss_info(cfg, ndev, false); wl_update_pmklist(ndev, cfg->pmk_list, err); wl_set_drv_status(cfg, CONNECTED, ndev); #if defined(ROAM_ENABLE) && defined(ROAM_AP_ENV_DETECTION) if (!builtin_roam_disabled && dhd->roam_env_detection) wldev_iovar_setint(ndev, "roam_env_detection", AP_ENV_INDETERMINATE); #endif /* ROAM_AP_ENV_DETECTION */ if (ndev != bcmcfg_to_prmry_ndev(cfg)) { #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0) init_completion(&cfg->iface_disable); #else /* reinitialize completion to clear previous count */ INIT_COMPLETION(cfg->iface_disable); #endif } #ifdef CUSTOM_SET_CPUCORE if (wl_get_chan_isvht80(ndev, dhd)) { if (ndev == bcmcfg_to_prmry_ndev(cfg)) dhd->chan_isvht80 |= DHD_FLAG_STA_MODE; /* STA mode */ else if (ndev == wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION)) dhd->chan_isvht80 |= DHD_FLAG_P2P_MODE; /* p2p mode */ dhd_set_cpucore(dhd, TRUE); } #endif /* CUSTOM_SET_CPUCORE */ memset(&cfg->last_roamed_addr, 0, ETHER_ADDR_LEN); } /* Update the cfg layer with the lates active channels available */ wl_update_wiphybands(NULL, true); if (completed && (wl_cfg80211_verify_bss(cfg, ndev) != true)) { /* If bss entry is not available in the cfg80211 bss cache * the wireless stack will complain and won't populate * wdev->current_bss ptr */ WL_ERR(("BSS entry not found. Indicate assoc event failure\n")); completed = false; sec->auth_assoc_res_status = WLAN_STATUS_UNSPECIFIED_FAILURE; } cfg80211_connect_result(ndev, curbssid, conn_info->req_ie, conn_info->req_ie_len, conn_info->resp_ie, conn_info->resp_ie_len, completed ? WLAN_STATUS_SUCCESS : (sec->auth_assoc_res_status) ? sec->auth_assoc_res_status : WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_KERNEL); if (completed) WL_ERR(("Report connect result - connection succeeded\n")); else WL_ERR(("Report connect result - connection failed\n")); #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA if (completed) { TEGRA_SYSFS_HISTOGRAM_STAT_INC(connect_success); if ((cfg->channel >= 1) && (cfg->channel <= 14)) { TEGRA_SYSFS_HISTOGRAM_STAT_INC (connect_on_2g_channel); } else if (cfg->channel > 14) { TEGRA_SYSFS_HISTOGRAM_STAT_INC (connect_on_5g_channel); } tegra_sysfs_histogram_stat_set_channel(cfg->channel); if (bcmdhd_stat.gen_stat.channel_stat) TEGRA_SYSFS_HISTOGRAM_STAT_INC (channel_stat->connect_count); } else { TEGRA_SYSFS_HISTOGRAM_STAT_INC(connect_fail); tegra_sysfs_histogram_stat_set_channel(-1); } #endif } #ifdef CONFIG_TCPACK_FASTTX if (wl_get_chan_isvht80(ndev, dhd)) wldev_iovar_setint(ndev, "tcpack_fast_tx", 0); else wldev_iovar_setint(ndev, "tcpack_fast_tx", 1); #endif /* CONFIG_TCPACK_FASTTX */ return err; } static s32 wl_notify_mic_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { struct net_device *ndev = NULL; u16 flags = ntoh16(e->flags); enum nl80211_key_type key_type; ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); mutex_lock(&cfg->usr_sync); if (flags & WLC_EVENT_MSG_GROUP) key_type = NL80211_KEYTYPE_GROUP; else key_type = NL80211_KEYTYPE_PAIRWISE; cfg80211_michael_mic_failure(ndev, (u8 *)&e->addr, key_type, -1, NULL, GFP_KERNEL); mutex_unlock(&cfg->usr_sync); return 0; } #ifdef BT_WIFI_HANDOVER static s32 wl_notify_bt_wifi_handover_req(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { struct net_device *ndev = NULL; u32 event = ntoh32(e->event_type); u32 datalen = ntoh32(e->datalen); s32 err; WL_ERR(("wl_notify_bt_wifi_handover_req: event_type : %d, datalen : %d\n", event, datalen)); ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); err = wl_genl_send_msg(ndev, event, data, (u16)datalen, 0, 0); return err; } #endif /* BT_WIFI_HANDOVER */ #ifdef PNO_SUPPORT static s32 wl_notify_pfn_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { struct net_device *ndev = NULL; if (!data) { WL_ERR(("Data is NULL!\n")); return 0; } WL_DBG((">>> PNO Event\n")); ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); #ifndef WL_SCHED_SCAN mutex_lock(&cfg->usr_sync); /* TODO: Use cfg80211_sched_scan_results(wiphy); */ CFG80211_DISCONNECTED(ndev, 0, NULL, 0, false, GFP_KERNEL); mutex_unlock(&cfg->usr_sync); #else /* If cfg80211 scheduled scan is supported, report the pno results via sched * scan results */ wl_notify_sched_scan_results(cfg, ndev, e, data); #endif /* WL_SCHED_SCAN */ return 0; } #endif /* PNO_SUPPORT */ #define MAX_NUM_SCAN_TIMEOUTS 3 atomic_t num_scan_timeout = ATOMIC_INIT(0); static s32 wl_notify_scan_status(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { struct channel_info channel_inform; struct wl_scan_results *bss_list; struct net_device *ndev = NULL; #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 7, 0)) struct cfg80211_scan_info info = {0}; #endif u32 len = WL_SCAN_BUF_MAX; s32 err = 0; unsigned long flags; WL_DBG(("Enter \n")); if (!wl_get_drv_status(cfg, SCANNING, ndev)) { WL_ERR(("scan is not ready \n")); return err; } ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); mutex_lock(&cfg->usr_sync); wl_clr_drv_status(cfg, SCANNING, ndev); memset(&channel_inform, 0, sizeof(channel_inform)); err = wldev_ioctl(ndev, WLC_GET_CHANNEL, &channel_inform, sizeof(channel_inform), false); if (unlikely(err)) { WL_ERR(("scan busy (%d)\n", err)); goto scan_done_out; } channel_inform.scan_channel = dtoh32(channel_inform.scan_channel); if (unlikely(channel_inform.scan_channel)) { WL_DBG(("channel_inform.scan_channel (%d)\n", channel_inform.scan_channel)); } cfg->bss_list = cfg->scan_results; bss_list = cfg->bss_list; memset(bss_list, 0, len); bss_list->buflen = htod32(len); err = wldev_ioctl(ndev, WLC_SCAN_RESULTS, bss_list, len, false); if (unlikely(err) && unlikely(!cfg->scan_suppressed)) { WL_ERR(("%s Scan_results error (%d)\n", ndev->name, err)); err = -EINVAL; goto scan_done_out; } bss_list->buflen = dtoh32(bss_list->buflen); bss_list->version = dtoh32(bss_list->version); bss_list->count = dtoh32(bss_list->count); #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA TEGRA_SYSFS_HISTOGRAM_SCAN_RESULTS(ndev, bss_list, bss_list->buflen) #endif err = wl_inform_bss(cfg); scan_done_out: del_timer_sync(&cfg->scan_timeout); atomic_set(&num_scan_timeout, 0); spin_lock_irqsave(&cfg->cfgdrv_lock, flags); if (cfg->scan_request) { #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA TEGRA_SCAN_DONE(cfg->scan_request, false) #endif #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 7, 0)) info.aborted = false; cfg80211_scan_done(cfg->scan_request, &info); #else cfg80211_scan_done(cfg->scan_request, false); #endif #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA skip_cfg80211_scan_done: #endif cfg->scan_request = NULL; } spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags); WL_DBG(("cfg80211_scan_done\n")); mutex_unlock(&cfg->usr_sync); return err; } static s32 wl_frame_get_mgmt(u16 fc, const struct ether_addr *da, const struct ether_addr *sa, const struct ether_addr *bssid, u8 **pheader, u32 *body_len, u8 *pbody) { struct dot11_management_header *hdr; u32 totlen = 0; s32 err = 0; u8 *offset; u32 prebody_len = *body_len; switch (fc) { case FC_ASSOC_REQ: /* capability , listen interval */ totlen = DOT11_ASSOC_REQ_FIXED_LEN; *body_len += DOT11_ASSOC_REQ_FIXED_LEN; break; case FC_REASSOC_REQ: /* capability, listen inteval, ap address */ totlen = DOT11_REASSOC_REQ_FIXED_LEN; *body_len += DOT11_REASSOC_REQ_FIXED_LEN; break; } totlen += DOT11_MGMT_HDR_LEN + prebody_len; *pheader = kzalloc(totlen, GFP_KERNEL); if (*pheader == NULL) { WL_ERR(("memory alloc failed \n")); return -ENOMEM; } hdr = (struct dot11_management_header *) (*pheader); hdr->fc = htol16(fc); hdr->durid = 0; hdr->seq = 0; offset = (u8*)(hdr + 1) + (totlen - DOT11_MGMT_HDR_LEN - prebody_len); bcopy((const char*)da, (u8*)&hdr->da, ETHER_ADDR_LEN); bcopy((const char*)sa, (u8*)&hdr->sa, ETHER_ADDR_LEN); bcopy((const char*)bssid, (u8*)&hdr->bssid, ETHER_ADDR_LEN); if ((pbody != NULL) && prebody_len) bcopy((const char*)pbody, offset, prebody_len); *body_len = totlen; return err; } void wl_stop_wait_next_action_frame(struct bcm_cfg80211 *cfg, struct net_device *ndev) { if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) { if (timer_pending(&cfg->p2p->listen_timer)) { del_timer_sync(&cfg->p2p->listen_timer); } if (cfg->afx_hdl != NULL) { if (cfg->afx_hdl->dev != NULL) { wl_clr_drv_status(cfg, SCANNING, cfg->afx_hdl->dev); wl_clr_drv_status(cfg, FINDING_COMMON_CHANNEL, cfg->afx_hdl->dev); } cfg->afx_hdl->peer_chan = WL_INVALID; } complete(&cfg->act_frm_scan); WL_DBG(("*** Wake UP ** Working afx searching is cleared\n")); } else if (wl_get_drv_status_all(cfg, SENDING_ACT_FRM)) { if (!(wl_get_p2p_status(cfg, ACTION_TX_COMPLETED) || wl_get_p2p_status(cfg, ACTION_TX_NOACK))) wl_set_p2p_status(cfg, ACTION_TX_COMPLETED); WL_DBG(("*** Wake UP ** abort actframe iovar\n")); /* if channel is not zero, "actfame" uses off channel scan. * So abort scan for off channel completion. */ if (cfg->af_sent_channel) wl_cfg80211_scan_abort(cfg); } #ifdef WL_CFG80211_SYNC_GON else if (wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM_LISTEN)) { WL_DBG(("*** Wake UP ** abort listen for next af frame\n")); /* So abort scan to cancel listen */ wl_cfg80211_scan_abort(cfg); } #endif /* WL_CFG80211_SYNC_GON */ } int wl_cfg80211_get_ioctl_version(void) { return ioctl_version; } static s32 wl_notify_rx_mgmt_frame(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { struct ieee80211_supported_band *band; struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); struct ether_addr da; struct ether_addr bssid; bool isfree = false; s32 err = 0; s32 freq; struct net_device *ndev = NULL; wifi_p2p_pub_act_frame_t *act_frm = NULL; wifi_p2p_action_frame_t *p2p_act_frm = NULL; wifi_p2psd_gas_pub_act_frame_t *sd_act_frm = NULL; wl_event_rx_frame_data_t *rxframe = (wl_event_rx_frame_data_t*)data; u32 event = ntoh32(e->event_type); u8 *mgmt_frame; u8 bsscfgidx = e->bsscfgidx; u32 mgmt_frame_len = ntoh32(e->datalen); u16 channel = ((ntoh16(rxframe->channel) & WL_CHANSPEC_CHAN_MASK)); if (mgmt_frame_len < sizeof(wl_event_rx_frame_data_t)) { WL_ERR(("wrong datalen:%d\n", mgmt_frame_len)); return -EINVAL; } mgmt_frame_len -= sizeof(wl_event_rx_frame_data_t); memset(&bssid, 0, ETHER_ADDR_LEN); ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); #ifdef P2PONEINT WL_DBG((" device name is ndev %s \n", ndev->name)); #endif if (channel <= CH_MAX_2G_CHANNEL) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; if (!band) { WL_ERR(("No valid band")); return -EINVAL; } #if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 38) freq = ieee80211_channel_to_frequency(channel); (void)band->band; #else freq = ieee80211_channel_to_frequency(channel, band->band); #endif if (event == WLC_E_ACTION_FRAME_RX) { wldev_iovar_getbuf_bsscfg(ndev, "cur_etheraddr", NULL, 0, cfg->ioctl_buf, WLC_IOCTL_SMLEN, bsscfgidx, &cfg->ioctl_buf_sync); err = wldev_ioctl(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN, false); if (err < 0) WL_ERR(("WLC_GET_BSSID error %d\n", err)); memcpy(da.octet, cfg->ioctl_buf, ETHER_ADDR_LEN); err = wl_frame_get_mgmt(FC_ACTION, &da, &e->addr, &bssid, &mgmt_frame, &mgmt_frame_len, (u8 *)((wl_event_rx_frame_data_t *)rxframe + 1)); if (err < 0) { WL_ERR(("Error in receiving action frame len %d channel %d freq %d\n", mgmt_frame_len, channel, freq)); goto exit; } isfree = true; if (wl_cfgp2p_is_pub_action(&mgmt_frame[DOT11_MGMT_HDR_LEN], mgmt_frame_len - DOT11_MGMT_HDR_LEN)) { act_frm = (wifi_p2p_pub_act_frame_t *) (&mgmt_frame[DOT11_MGMT_HDR_LEN]); } else if (wl_cfgp2p_is_p2p_action(&mgmt_frame[DOT11_MGMT_HDR_LEN], mgmt_frame_len - DOT11_MGMT_HDR_LEN)) { p2p_act_frm = (wifi_p2p_action_frame_t *) (&mgmt_frame[DOT11_MGMT_HDR_LEN]); (void) p2p_act_frm; } else if (wl_cfgp2p_is_gas_action(&mgmt_frame[DOT11_MGMT_HDR_LEN], mgmt_frame_len - DOT11_MGMT_HDR_LEN)) { sd_act_frm = (wifi_p2psd_gas_pub_act_frame_t *) (&mgmt_frame[DOT11_MGMT_HDR_LEN]); if (sd_act_frm && wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM)) { if (cfg->next_af_subtype == sd_act_frm->action) { WL_DBG(("We got a right next frame of SD!(%d)\n", sd_act_frm->action)); wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, ndev); /* Stop waiting for next AF. */ wl_stop_wait_next_action_frame(cfg, ndev); } } (void) sd_act_frm; #ifdef WLTDLS } else if (mgmt_frame[DOT11_MGMT_HDR_LEN] == TDLS_AF_CATEGORY) { WL_DBG((" TDLS Action Frame Received type = %d \n", mgmt_frame[DOT11_MGMT_HDR_LEN + 1])); if (mgmt_frame[DOT11_MGMT_HDR_LEN + 1] == TDLS_ACTION_SETUP_RESP) { cfg->tdls_mgmt_frame = mgmt_frame; cfg->tdls_mgmt_frame_len = mgmt_frame_len; cfg->tdls_mgmt_freq = freq; return 0; } } else if (mgmt_frame[DOT11_MGMT_HDR_LEN] == TDLS_VENDOR_SPECIFIC) { WL_DBG((" TDLS Vendor Specific Received type \n")); #endif } #ifdef QOS_MAP_SET else if (mgmt_frame[DOT11_MGMT_HDR_LEN] == DOT11_ACTION_CAT_QOS) { /* update QoS map set table */ bcm_tlv_t * qos_map_ie = NULL; if ((qos_map_ie = bcm_parse_tlvs(&mgmt_frame[DOT11_MGMT_HDR_LEN], mgmt_frame_len - DOT11_MGMT_HDR_LEN, DOT11_MNG_QOS_MAP_ID)) != NULL) { WL_DBG((" QoS map set IE found in QoS action frame\n")); if (!cfg->up_table) cfg->up_table = kmalloc(UP_TABLE_MAX, GFP_KERNEL); wl_set_up_table(cfg->up_table, qos_map_ie); } else { kfree(cfg->up_table); cfg->up_table = NULL; } } #endif /* QOS_MAP_SET */ else { if (cfg->next_af_subtype != P2P_PAF_SUBTYPE_INVALID) { u8 action = 0; if (wl_get_public_action(&mgmt_frame[DOT11_MGMT_HDR_LEN], mgmt_frame_len - DOT11_MGMT_HDR_LEN, &action) != BCME_OK) { WL_DBG(("Recived action is not public action frame\n")); } else if (cfg->next_af_subtype == action) { WL_DBG(("Recived action is the waiting action(%d)\n", action)); wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, ndev); /* Stop waiting for next AF. */ wl_stop_wait_next_action_frame(cfg, ndev); } } } if (act_frm) { if (wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM)) { if (cfg->next_af_subtype == act_frm->subtype) { WL_DBG(("We got a right next frame!(%d)\n", act_frm->subtype)); wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, ndev); if (cfg->next_af_subtype == P2P_PAF_GON_CONF) { OSL_SLEEP(20); } /* Stop waiting for next AF. */ wl_stop_wait_next_action_frame(cfg, ndev); } } } wl_cfgp2p_print_actframe(false, &mgmt_frame[DOT11_MGMT_HDR_LEN], mgmt_frame_len - DOT11_MGMT_HDR_LEN, channel); /* * After complete GO Negotiation, roll back to mpc mode */ if (act_frm && ((act_frm->subtype == P2P_PAF_GON_CONF) || (act_frm->subtype == P2P_PAF_PROVDIS_RSP))) { wldev_iovar_setint(ndev, "mpc", 1); } if (act_frm && (act_frm->subtype == P2P_PAF_GON_CONF)) { WL_DBG(("P2P: GO_NEG_PHASE status cleared \n")); wl_clr_p2p_status(cfg, GO_NEG_PHASE); } } else if (event == WLC_E_PROBREQ_MSG) { /* Handle probe reqs frame * WPS-AP certification 4.2.13 */ struct parsed_ies prbreq_ies; u32 prbreq_ie_len = 0; bool pbc = 0; WL_DBG((" Event WLC_E_PROBREQ_MSG received\n")); mgmt_frame = (u8 *)(data); mgmt_frame_len = ntoh32(e->datalen); if (mgmt_frame_len < DOT11_MGMT_HDR_LEN) { WL_ERR(("WLC_E_PROBREQ_MSG - wrong datalen:%d\n", mgmt_frame_len)); return -EINVAL; } prbreq_ie_len = mgmt_frame_len - DOT11_MGMT_HDR_LEN; /* Parse prob_req IEs */ if (wl_cfg80211_parse_ies(&mgmt_frame[DOT11_MGMT_HDR_LEN], prbreq_ie_len, &prbreq_ies) < 0) { WL_ERR(("Prob req get IEs failed\n")); return 0; } if (prbreq_ies.wps_ie != NULL) { wl_validate_wps_ie((char *)prbreq_ies.wps_ie, prbreq_ies.wps_ie_len, &pbc); WL_DBG((" wps_ie exist pbc = %d\n", pbc)); /* if pbc method, send prob_req mgmt frame to upper layer */ if (!pbc) return 0; } else return 0; } else { mgmt_frame = (u8 *)((wl_event_rx_frame_data_t *)rxframe + 1); /* wpa supplicant use probe request event for restarting another GON Req. * but it makes GON Req repetition. * so if src addr of prb req is same as my target device, * do not send probe request event during sending action frame. */ if (event == WLC_E_P2P_PROBREQ_MSG) { WL_DBG((" Event %s\n", (event == WLC_E_P2P_PROBREQ_MSG) ? "WLC_E_P2P_PROBREQ_MSG":"WLC_E_PROBREQ_MSG")); /* Filter any P2P probe reqs arriving during the * GO-NEG Phase */ if (cfg->p2p && #if defined(P2P_IE_MISSING_FIX) cfg->p2p_prb_noti && #endif wl_get_p2p_status(cfg, GO_NEG_PHASE)) { WL_DBG(("Filtering P2P probe_req while " "being in GO-Neg state\n")); return 0; } } } #ifdef P2PONEINT if (ndev == cfg->p2p_net && ndev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) { ndev = bcmcfg_to_prmry_ndev(cfg); cfgdev = ndev_to_cfgdev(ndev); } WL_DBG((" device name is ndev %s \n", ndev->name)); #endif #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) cfg80211_rx_mgmt(cfgdev, freq, 0, mgmt_frame, mgmt_frame_len, 0); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0)) cfg80211_rx_mgmt(cfgdev, freq, 0, mgmt_frame, mgmt_frame_len, 0, GFP_ATOMIC); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || \ defined(WL_COMPAT_WIRELESS) cfg80211_rx_mgmt(cfgdev, freq, 0, mgmt_frame, mgmt_frame_len, GFP_ATOMIC); #else cfg80211_rx_mgmt(cfgdev, freq, mgmt_frame, mgmt_frame_len, GFP_ATOMIC); #endif /* LINUX_VERSION >= VERSION(3, 12, 0) */ WL_DBG(("mgmt_frame_len (%d) , e->datalen (%d), channel (%d), freq (%d)\n", mgmt_frame_len, ntoh32(e->datalen), channel, freq)); exit: if (isfree) kfree(mgmt_frame); return 0; } #ifdef WL_SCHED_SCAN /* If target scan is not reliable, set the below define to "1" to do a * full escan */ #define FULL_ESCAN_ON_PFN_NET_FOUND 0 static s32 wl_notify_sched_scan_results(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, void *data) { wl_pfn_net_info_t *netinfo, *pnetinfo; struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); int err = 0; struct cfg80211_scan_request *request = NULL; struct cfg80211_ssid ssid[MAX_PFN_LIST_COUNT]; struct ieee80211_channel *channel = NULL; int channel_req = 0; int band = 0; struct wl_pfn_scanresults *pfn_result = (struct wl_pfn_scanresults *)data; int n_pfn_results = pfn_result->count; WL_DBG(("Enter\n")); if (e->event_type == WLC_E_PFN_NET_LOST) { WL_PNO(("PFN NET LOST event. Do Nothing \n")); return 0; } WL_PNO((">>> PFN NET FOUND event. count:%d \n", n_pfn_results)); if (n_pfn_results > 0) { int i; if (n_pfn_results > MAX_PFN_LIST_COUNT) n_pfn_results = MAX_PFN_LIST_COUNT; pnetinfo = (wl_pfn_net_info_t *)(data + sizeof(wl_pfn_scanresults_t) - sizeof(wl_pfn_net_info_t)); memset(&ssid, 0x00, sizeof(ssid)); request = kzalloc(sizeof(*request) + sizeof(*request->channels) * n_pfn_results, GFP_KERNEL); channel = (struct ieee80211_channel *)kzalloc( (sizeof(struct ieee80211_channel) * n_pfn_results), GFP_KERNEL); if (!request || !channel) { WL_ERR(("No memory")); err = -ENOMEM; goto out_err; } request->wiphy = wiphy; for (i = 0; i < n_pfn_results; i++) { netinfo = &pnetinfo[i]; if (!netinfo) { WL_ERR(("Invalid netinfo ptr. index:%d", i)); err = -EINVAL; goto out_err; } WL_PNO((">>> SSID:%s Channel:%d \n", netinfo->pfnsubnet.SSID, netinfo->pfnsubnet.channel)); /* PFN result doesn't have all the info which are required by the supplicant * (For e.g IEs) Do a target Escan so that sched scan results are reported * via wl_inform_single_bss in the required format. Escan does require the * scan request in the form of cfg80211_scan_request. For timebeing, create * cfg80211_scan_request one out of the received PNO event. */ ssid[i].ssid_len = MIN(DOT11_MAX_SSID_LEN, netinfo->pfnsubnet.SSID_len); memcpy(ssid[i].ssid, netinfo->pfnsubnet.SSID, ssid[i].ssid_len); request->n_ssids++; channel_req = netinfo->pfnsubnet.channel; band = (channel_req <= CH_MAX_2G_CHANNEL) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ; channel[i].center_freq = ieee80211_channel_to_frequency(channel_req, band); channel[i].band = band; channel[i].flags |= IEEE80211_CHAN_NO_HT40; request->channels[i] = &channel[i]; request->n_channels++; } /* assign parsed ssid array */ if (request->n_ssids) request->ssids = &ssid[0]; if (wl_get_drv_status_all(cfg, SCANNING)) { /* Abort any on-going scan */ wl_notify_escan_complete(cfg, ndev, true, true); } if (wl_get_p2p_status(cfg, DISCOVERY_ON)) { WL_PNO((">>> P2P discovery was ON. Disabling it\n")); err = wl_cfgp2p_discover_enable_search(cfg, false); if (unlikely(err)) { wl_clr_drv_status(cfg, SCANNING, ndev); goto out_err; } p2p_scan(cfg) = false; } wl_set_drv_status(cfg, SCANNING, ndev); #if FULL_ESCAN_ON_PFN_NET_FOUND WL_PNO((">>> Doing Full ESCAN on PNO event\n")); err = wl_do_escan(cfg, wiphy, ndev, NULL); #else WL_PNO((">>> Doing targeted ESCAN on PNO event\n")); err = wl_do_escan(cfg, wiphy, ndev, request); #endif if (err) { wl_clr_drv_status(cfg, SCANNING, ndev); goto out_err; } cfg->sched_scan_running = TRUE; } else { WL_ERR(("FALSE PNO Event. (pfn_count == 0) \n")); } out_err: if (request) kfree(request); if (channel) kfree(channel); return err; } #endif /* WL_SCHED_SCAN */ static void wl_init_conf(struct wl_conf *conf) { WL_DBG(("Enter \n")); conf->frag_threshold = (u32)-1; conf->rts_threshold = (u32)-1; conf->retry_short = (u32)-1; conf->retry_long = (u32)-1; conf->tx_power = -1; } static void wl_init_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev) { unsigned long flags; struct wl_profile *profile = wl_get_profile_by_netdev(cfg, ndev); spin_lock_irqsave(&cfg->cfgdrv_lock, flags); memset(profile, 0, sizeof(struct wl_profile)); spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags); } static void wl_init_event_handler(struct bcm_cfg80211 *cfg) { memset(cfg->evt_handler, 0, sizeof(cfg->evt_handler)); cfg->evt_handler[WLC_E_SCAN_COMPLETE] = wl_notify_scan_status; cfg->evt_handler[WLC_E_AUTH] = wl_notify_connect_status; cfg->evt_handler[WLC_E_ASSOC] = wl_notify_connect_status; cfg->evt_handler[WLC_E_LINK] = wl_notify_connect_status; cfg->evt_handler[WLC_E_DEAUTH_IND] = wl_notify_connect_status; cfg->evt_handler[WLC_E_DEAUTH] = wl_notify_connect_status; cfg->evt_handler[WLC_E_DISASSOC_IND] = wl_notify_connect_status; cfg->evt_handler[WLC_E_ASSOC_IND] = wl_notify_connect_status; cfg->evt_handler[WLC_E_REASSOC_IND] = wl_notify_connect_status; cfg->evt_handler[WLC_E_ROAM] = wl_notify_roaming_status; cfg->evt_handler[WLC_E_MIC_ERROR] = wl_notify_mic_status; cfg->evt_handler[WLC_E_SET_SSID] = wl_notify_connect_status; cfg->evt_handler[WLC_E_ACTION_FRAME_RX] = wl_notify_rx_mgmt_frame; cfg->evt_handler[WLC_E_PROBREQ_MSG] = wl_notify_rx_mgmt_frame; cfg->evt_handler[WLC_E_P2P_PROBREQ_MSG] = wl_notify_rx_mgmt_frame; cfg->evt_handler[WLC_E_P2P_DISC_LISTEN_COMPLETE] = wl_cfgp2p_listen_complete; cfg->evt_handler[WLC_E_ACTION_FRAME_COMPLETE] = wl_cfgp2p_action_tx_complete; cfg->evt_handler[WLC_E_ACTION_FRAME_OFF_CHAN_COMPLETE] = wl_cfgp2p_action_tx_complete; cfg->evt_handler[WLC_E_JOIN] = wl_notify_connect_status; cfg->evt_handler[WLC_E_START] = wl_notify_connect_status; #ifdef PNO_SUPPORT cfg->evt_handler[WLC_E_PFN_NET_FOUND] = wl_notify_pfn_status; #endif /* PNO_SUPPORT */ #ifdef WLTDLS cfg->evt_handler[WLC_E_TDLS_PEER_EVENT] = wl_tdls_event_handler; #endif /* WLTDLS */ cfg->evt_handler[WLC_E_BSSID] = wl_notify_roaming_status; #ifdef BT_WIFI_HANDOVER cfg->evt_handler[WLC_E_BT_WIFI_HANDOVER_REQ] = wl_notify_bt_wifi_handover_req; #endif #ifdef WL_NAN cfg->evt_handler[WLC_E_NAN] = wl_cfgnan_notify_nan_status; cfg->evt_handler[WLC_E_PROXD] = wl_cfgnan_notify_proxd_status; #endif /* WL_NAN */ cfg->evt_handler[WLC_E_RMC_EVENT] = wl_notify_rmc_status; cfg->evt_handler[WLC_E_CSA_COMPLETE_IND] = wl_csa_complete_ind; } #if defined(STATIC_WL_PRIV_STRUCT) static void wl_init_escan_result_buf(struct bcm_cfg80211 *cfg) { cfg->escan_info.escan_buf = DHD_OS_PREALLOC(cfg->pub, DHD_PREALLOC_WIPHY_ESCAN0, ESCAN_BUF_SIZE); bzero(cfg->escan_info.escan_buf, ESCAN_BUF_SIZE); } static void wl_deinit_escan_result_buf(struct bcm_cfg80211 *cfg) { cfg->escan_info.escan_buf = NULL; } #endif /* STATIC_WL_PRIV_STRUCT */ static s32 wl_init_priv_mem(struct bcm_cfg80211 *cfg) { WL_DBG(("Enter \n")); cfg->scan_results = (void *)kzalloc(WL_SCAN_BUF_MAX, GFP_KERNEL); if (unlikely(!cfg->scan_results)) { WL_ERR(("Scan results alloc failed\n")); goto init_priv_mem_out; } cfg->conf = (void *)kzalloc(sizeof(*cfg->conf), GFP_KERNEL); if (unlikely(!cfg->conf)) { WL_ERR(("wl_conf alloc failed\n")); goto init_priv_mem_out; } cfg->scan_req_int = (void *)kzalloc(sizeof(*cfg->scan_req_int), GFP_KERNEL); if (unlikely(!cfg->scan_req_int)) { WL_ERR(("Scan req alloc failed\n")); goto init_priv_mem_out; } cfg->ioctl_buf = (void *)kzalloc(WLC_IOCTL_MAXLEN, GFP_KERNEL); if (unlikely(!cfg->ioctl_buf)) { WL_ERR(("Ioctl buf alloc failed\n")); goto init_priv_mem_out; } cfg->escan_ioctl_buf = (void *)kzalloc(WLC_IOCTL_MAXLEN, GFP_KERNEL); if (unlikely(!cfg->escan_ioctl_buf)) { WL_ERR(("Ioctl buf alloc failed\n")); goto init_priv_mem_out; } cfg->extra_buf = (void *)kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); if (unlikely(!cfg->extra_buf)) { WL_ERR(("Extra buf alloc failed\n")); goto init_priv_mem_out; } cfg->pmk_list = (void *)kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL); if (unlikely(!cfg->pmk_list)) { WL_ERR(("pmk list alloc failed\n")); goto init_priv_mem_out; } cfg->sta_info = (void *)kzalloc(sizeof(*cfg->sta_info), GFP_KERNEL); if (unlikely(!cfg->sta_info)) { WL_ERR(("sta info alloc failed\n")); goto init_priv_mem_out; } #if defined(STATIC_WL_PRIV_STRUCT) cfg->conn_info = (void *)kzalloc(sizeof(*cfg->conn_info), GFP_KERNEL); if (unlikely(!cfg->conn_info)) { WL_ERR(("cfg->conn_info alloc failed\n")); goto init_priv_mem_out; } cfg->ie = (void *)kzalloc(sizeof(*cfg->ie), GFP_KERNEL); if (unlikely(!cfg->ie)) { WL_ERR(("cfg->ie alloc failed\n")); goto init_priv_mem_out; } wl_init_escan_result_buf(cfg); #endif /* STATIC_WL_PRIV_STRUCT */ cfg->afx_hdl = (void *)kzalloc(sizeof(*cfg->afx_hdl), GFP_KERNEL); if (unlikely(!cfg->afx_hdl)) { WL_ERR(("afx hdl alloc failed\n")); goto init_priv_mem_out; } else { init_completion(&cfg->act_frm_scan); init_completion(&cfg->wait_next_af); INIT_WORK(&cfg->afx_hdl->work, wl_cfg80211_afx_handler); } return 0; init_priv_mem_out: wl_deinit_priv_mem(cfg); return -ENOMEM; } static void wl_deinit_priv_mem(struct bcm_cfg80211 *cfg) { kfree(cfg->scan_results); cfg->scan_results = NULL; kfree(cfg->conf); cfg->conf = NULL; kfree(cfg->scan_req_int); cfg->scan_req_int = NULL; kfree(cfg->ioctl_buf); cfg->ioctl_buf = NULL; kfree(cfg->escan_ioctl_buf); cfg->escan_ioctl_buf = NULL; kfree(cfg->extra_buf); cfg->extra_buf = NULL; kfree(cfg->pmk_list); cfg->pmk_list = NULL; kfree(cfg->sta_info); cfg->sta_info = NULL; #if defined(STATIC_WL_PRIV_STRUCT) kfree(cfg->conn_info); cfg->conn_info = NULL; kfree(cfg->ie); cfg->ie = NULL; wl_deinit_escan_result_buf(cfg); #endif /* STATIC_WL_PRIV_STRUCT */ if (cfg->afx_hdl) { cancel_work_sync(&cfg->afx_hdl->work); kfree(cfg->afx_hdl); cfg->afx_hdl = NULL; } if (cfg->ap_info) { kfree(cfg->ap_info->wpa_ie); kfree(cfg->ap_info->rsn_ie); kfree(cfg->ap_info->wps_ie); kfree(cfg->ap_info); cfg->ap_info = NULL; } #ifdef WLTDLS if (cfg->tdls_mgmt_frame) { kfree(cfg->tdls_mgmt_frame); cfg->tdls_mgmt_frame = NULL; } #endif /* WLTDLS */ } static s32 wl_create_event_handler(struct bcm_cfg80211 *cfg) { int ret = 0; WL_DBG(("Enter \n")); /* Do not use DHD in cfg driver */ cfg->event_tsk.thr_pid = -1; PROC_START(wl_event_handler, cfg, &cfg->event_tsk, 0, "wl_event_handler"); if (cfg->event_tsk.thr_pid < 0) ret = -ENOMEM; return ret; } static void wl_destroy_event_handler(struct bcm_cfg80211 *cfg) { if (cfg->event_tsk.thr_pid >= 0) PROC_STOP(&cfg->event_tsk); } static void wl_scan_timeout(unsigned long data) { wl_event_msg_t msg; struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)data; struct wireless_dev *wdev; struct net_device *ndev; u32 connected; ndev = bcmcfg_to_prmry_ndev(cfg); connected = wl_get_drv_status(cfg, CONNECTED, ndev); if (!(cfg->scan_request)) { WL_ERR(("timer expired but no scan request\n")); return; } bzero(&msg, sizeof(wl_event_msg_t)); WL_ERR(("timer expired\n")); msg.event_type = hton32(WLC_E_ESCAN_RESULT); msg.status = hton32(WLC_E_STATUS_TIMEOUT); msg.reason = 0xFFFFFFFF; wl_cfg80211_event(bcmcfg_to_prmry_ndev(cfg), &msg, NULL); WL_DBG(("%s: Increment scan timeout count\n", __func__)); if (!connected) { atomic_inc(&num_scan_timeout); } if (atomic_read(&num_scan_timeout) >= MAX_NUM_SCAN_TIMEOUTS) { atomic_set(&num_scan_timeout, 0); if (cfg) { wdev = (struct wireless_dev *) cfg->wdev; if (wdev) { WL_ERR(("%s: Consecutive scan timeout, reset wifi to recover\n", __func__)); wl_cfg80211_hang(wdev->netdev, WLAN_REASON_UNSPECIFIED); } } } } static s32 wl_cfg80211_netdev_notifier_call(struct notifier_block * nb, unsigned long state, void *ptr) { #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0)) struct net_device *dev = ptr; #else struct net_device *dev = netdev_notifier_info_to_dev(ptr); #endif struct wireless_dev *wdev = dev->ieee80211_ptr; struct bcm_cfg80211 *cfg = g_bcm_cfg; WL_DBG(("Enter \n")); if (!wdev || !cfg || dev == bcmcfg_to_prmry_ndev(cfg)) return NOTIFY_DONE; switch (state) { case NETDEV_DOWN: { #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0)) int max_wait_timeout = 2; int max_wait_count = 100; int refcnt = 0; unsigned long limit = jiffies + max_wait_timeout * HZ; while (work_pending(&wdev->cleanup_work)) { if (refcnt%5 == 0) { WL_ERR(("[NETDEV_DOWN] wait for " "complete of cleanup_work" " (%d th)\n", refcnt)); } if (!time_before(jiffies, limit)) { WL_ERR(("[NETDEV_DOWN] cleanup_work" " of CFG80211 is not" " completed in %d sec\n", max_wait_timeout)); break; } if (refcnt >= max_wait_count) { WL_ERR(("[NETDEV_DOWN] cleanup_work" " of CFG80211 is not" " completed in %d loop\n", max_wait_count)); break; } set_current_state(TASK_INTERRUPTIBLE); (void)schedule_timeout(100); set_current_state(TASK_RUNNING); refcnt++; } #endif /* LINUX_VERSION < VERSION(3, 14, 0) */ break; } case NETDEV_UNREGISTER: /* after calling list_del_rcu(&wdev->list) */ wl_remove_netinfo(cfg, dev); break; case NETDEV_GOING_DOWN: /* At NETDEV_DOWN state, wdev_cleanup_work work will be called. * In front of door, the function checks * whether current scan is working or not. * If the scanning is still working, wdev_cleanup_work call WARN_ON and * make the scan done forcibly. */ if (wl_get_drv_status(cfg, SCANNING, dev)) wl_notify_escan_complete(cfg, dev, true, true); break; } return NOTIFY_DONE; } static struct notifier_block wl_cfg80211_netdev_notifier = { .notifier_call = wl_cfg80211_netdev_notifier_call, }; /* to make sure we won't register the same notifier twice, otherwise a loop is likely to be * created in kernel notifier link list (with 'next' pointing to itself) */ static bool wl_cfg80211_netdev_notifier_registered = FALSE; void wl_cfg80211_cancel_scan(struct bcm_cfg80211 *cfg) { struct wireless_dev *wdev = NULL; struct net_device *ndev = NULL; if (!cfg->scan_request) return; #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0)) if (cfg->scan_request->dev) wdev = cfg->scan_request->dev->ieee80211_ptr; #else wdev = cfg->scan_request->wdev; #endif /* LINUX_VERSION < KERNEL_VERSION(3, 6, 0) */ if (!wdev) { WL_ERR(("No wireless_dev present\n")); return; } ndev = wdev_to_wlc_ndev(wdev, cfg); wl_notify_escan_complete(cfg, ndev, true, true); WL_ERR(("Scan aborted! \n")); } #ifdef P2PONEINT void wl_cfg80211_scan_abort(struct bcm_cfg80211 *cfg) #else static void wl_cfg80211_scan_abort(struct bcm_cfg80211 *cfg) #endif { wl_scan_params_t *params = NULL; s32 params_size = 0; s32 err = BCME_OK; struct net_device *dev = bcmcfg_to_prmry_ndev(cfg); if (!in_atomic()) { /* Our scan params only need space for 1 channel and 0 ssids */ params = wl_cfg80211_scan_alloc_params(-1, 0, ¶ms_size); if (params == NULL) { WL_ERR(("scan params allocation failed \n")); err = -ENOMEM; } else { /* Do a scan abort to stop the driver's scan engine */ err = wldev_ioctl(dev, WLC_SCAN, params, params_size, true); if (err < 0) { WL_ERR(("scan abort failed \n")); } kfree(params); } } } static s32 wl_notify_escan_complete(struct bcm_cfg80211 *cfg, struct net_device *ndev, bool aborted, bool fw_abort) { struct wiphy *wiphy; s32 err = BCME_OK; unsigned long flags; struct net_device *dev; struct ieee80211_channel *band_chan_arr = NULL; #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 7, 0)) struct cfg80211_scan_info info = {0}; #endif u32 j, band, channel, array_size; wl_uint32_list_t *list; s32 i; chanspec_t c = 0; u8 *pbuf = NULL; WL_DBG(("Enter\n")); if (!ndev) { WL_ERR(("ndev is null\n")); err = BCME_ERROR; return err; } if (cfg->escan_info.ndev != ndev) { WL_ERR(("ndev is different %p %p\n", cfg->escan_info.ndev, ndev)); err = BCME_ERROR; return err; } if (cfg->scan_request) { dev = bcmcfg_to_prmry_ndev(cfg); #if defined(WL_ENABLE_P2P_IF) if (cfg->scan_request->dev != cfg->p2p_net) dev = cfg->scan_request->dev; #endif /* WL_ENABLE_P2P_IF */ } else { WL_DBG(("cfg->scan_request is NULL may be internal scan." "doing scan_abort for ndev %p primary %p", ndev, bcmcfg_to_prmry_ndev(cfg))); dev = ndev; } if (fw_abort && !in_atomic()) wl_cfg80211_scan_abort(cfg); if (timer_pending(&cfg->scan_timeout)) { del_timer_sync(&cfg->scan_timeout); atomic_set(&num_scan_timeout, 0); } #if defined(ESCAN_RESULT_PATCH) if (likely(cfg->scan_request)) { cfg->bss_list = wl_escan_get_buf(cfg, aborted); wl_inform_bss(cfg); } #endif /* ESCAN_RESULT_PATCH */ spin_lock_irqsave(&cfg->cfgdrv_lock, flags); #ifdef WL_SCHED_SCAN if (cfg->sched_scan_req && !cfg->scan_request) { WL_PNO((">>> REPORTING SCHED SCAN RESULTS \n")); if (!aborted) #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 11, 0)) cfg80211_sched_scan_results(cfg->sched_scan_req->wiphy, 0); #else cfg80211_sched_scan_results(cfg->sched_scan_req->wiphy); #endif cfg->sched_scan_running = FALSE; cfg->sched_scan_req = NULL; } #endif /* WL_SCHED_SCAN */ if (likely(cfg->scan_request)) { WL_DBG(("%s: Scan complete, reset scan timeout count\n", __func__)); atomic_set(&num_scan_timeout, 0); #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA TEGRA_SCAN_DONE(cfg->scan_request, aborted) #endif #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 7, 0)) info.aborted = aborted; cfg80211_scan_done(cfg->scan_request, &info); #else cfg80211_scan_done(cfg->scan_request, aborted); #endif #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA skip_cfg80211_scan_done: #endif cfg->scan_request = NULL; } if (p2p_is_on(cfg)) wl_clr_p2p_status(cfg, SCANNING); wl_clr_drv_status(cfg, SCANNING, dev); spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags); #define LOCAL_BUF_LEN 1024 pbuf = kzalloc(LOCAL_BUF_LEN, GFP_KERNEL); if (pbuf == NULL) { WL_ERR(("failed to allocate local buf\n")); return -ENOMEM; } list = (wl_uint32_list_t *)pbuf; list->count = htod32(WL_NUMCHANSPECS); err = wldev_iovar_getbuf_bsscfg(dev, "chanspecs", NULL, 0, pbuf, LOCAL_BUF_LEN, 0, &cfg->ioctl_buf_sync); if (err != 0) { WL_ERR(("get chanspecs failed with %d\n", err)); kfree(pbuf); return err; } #undef LOCAL_BUF_LEN wiphy = bcmcfg_to_wiphy(cfg); list = (wl_uint32_list_t *)pbuf; band = array_size = 0; for (i = 0; i < dtoh32(list->count); i++) { c = (chanspec_t)dtohchanspec(list->element[i]); c = wl_chspec_driver_to_host(c); channel = CHSPEC_CHANNEL(c); if (CHSPEC_IS40(c)) { if (CHSPEC_SB_UPPER(c)) channel += CH_10MHZ_APART; else channel -= CH_10MHZ_APART; } else if (CHSPEC_IS80(c)) { WL_DBG(("HT80 center channel : %d\n", channel)); continue; } if (CHSPEC_IS2G(c) && (channel >= CH_MIN_2G_CHANNEL) && (channel <= CH_MAX_2G_CHANNEL)) { band_chan_arr = __wl_2ghz_channels; array_size = ARRAYSIZE(__wl_2ghz_channels); band = IEEE80211_BAND_2GHZ; } else if (CHSPEC_IS5G(c) && channel >= CH_MIN_5G_CHANNEL) { band_chan_arr = __wl_5ghz_a_channels; array_size = ARRAYSIZE(__wl_5ghz_a_channels); band = IEEE80211_BAND_5GHZ; } else { WL_ERR(("Invalid channel Sepc. 0x%x.\n", c)); continue; } for (j = 0; j < array_size; j++) { if (band_chan_arr[j].hw_value == channel) break; } if (band == IEEE80211_BAND_2GHZ) channel |= WL_CHANSPEC_BAND_2G; else channel |= WL_CHANSPEC_BAND_5G; channel |= WL_CHANSPEC_BW_20; channel = wl_chspec_host_to_driver(channel); err = wldev_iovar_getint(dev, "per_chan_info", &channel); if (!err && wiphy->bands[band] != NULL) { if (((channel & WL_CHAN_RADAR) != (wiphy->bands[band]->channels[j].flags & IEEE80211_CHAN_RADAR)) || ((channel & WL_CHAN_PASSIVE) #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)) && !(wiphy->bands[band]->channels[j].flags & IEEE80211_CHAN_PASSIVE_SCAN) #else && !(wiphy->bands[band]->channels[j].flags & IEEE80211_CHAN_NO_IR) #endif ) || (!(channel & WL_CHAN_PASSIVE) #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)) && (wiphy->bands[band]->channels[j].flags & IEEE80211_CHAN_PASSIVE_SCAN) #else && (wiphy->bands[band]->channels[j].flags & IEEE80211_CHAN_NO_IR) #endif )) { wl_update_wiphybands(cfg, true); break; } } else if (err == BCME_UNSUPPORTED) { WL_ERR(("does not support per_chan_info\n")); } else if (wiphy->bands[band] == NULL) { WL_ERR(("Scan receicved on Invalid band. band = %s " "not supported\n", (band == IEEE80211_BAND_2GHZ) ? "2.4 GHz" : "5 GHz")); } } kfree(pbuf); return err; } #ifdef ESCAN_BUF_OVERFLOW_MGMT static void wl_cfg80211_find_removal_candidate(wl_bss_info_t *bss, removal_element_t *candidate) { int idx; for (idx = 0; idx < BUF_OVERFLOW_MGMT_COUNT; idx++) { int len = BUF_OVERFLOW_MGMT_COUNT - idx - 1; if (bss->RSSI < candidate[idx].RSSI) { if (len) memcpy(&candidate[idx + 1], &candidate[idx], sizeof(removal_element_t) * len); candidate[idx].RSSI = bss->RSSI; candidate[idx].length = bss->length; memcpy(&candidate[idx].BSSID, &bss->BSSID, ETHER_ADDR_LEN); return; } } } static void wl_cfg80211_remove_lowRSSI_info(wl_scan_results_t *list, removal_element_t *candidate, wl_bss_info_t *bi) { int idx1, idx2; int total_delete_len = 0; for (idx1 = 0; idx1 < BUF_OVERFLOW_MGMT_COUNT; idx1++) { int cur_len = WL_SCAN_RESULTS_FIXED_SIZE; wl_bss_info_t *bss = NULL; if (candidate[idx1].RSSI >= bi->RSSI) continue; for (idx2 = 0; idx2 < list->count; idx2++) { bss = bss ? (wl_bss_info_t *)((uintptr)bss + dtoh32(bss->length)) : list->bss_info; if (!bcmp(&candidate[idx1].BSSID, &bss->BSSID, ETHER_ADDR_LEN) && candidate[idx1].RSSI == bss->RSSI && candidate[idx1].length == dtoh32(bss->length)) { u32 delete_len = dtoh32(bss->length); WL_DBG(("delete scan info of " MACDBG " to add new AP\n", MAC2STRDBG(bss->BSSID.octet))); if (idx2 < list->count -1) { memmove((u8 *)bss, (u8 *)bss + delete_len, list->buflen - cur_len - delete_len); } list->buflen -= delete_len; list->count--; total_delete_len += delete_len; /* if delete_len is greater than or equal to result length */ if (total_delete_len >= bi->length) { return; } break; } cur_len += dtoh32(bss->length); } } } #endif /* ESCAN_BUF_OVERFLOW_MGMT */ static s32 wl_escan_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { s32 err = BCME_OK; s32 status = ntoh32(e->status); wl_bss_info_t *bi; wl_escan_result_t *escan_result; wl_bss_info_t *bss = NULL; wl_scan_results_t *list; wifi_p2p_ie_t * p2p_ie; struct net_device *ndev = NULL; u32 bi_length; u32 i; u8 *p2p_dev_addr = NULL; WL_DBG((" enter event type : %d, status : %d \n", ntoh32(e->event_type), ntoh32(e->status))); ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); mutex_lock(&cfg->usr_sync); /* P2P SCAN is coming from primary interface */ if (wl_get_p2p_status(cfg, SCANNING)) { if (wl_get_drv_status_all(cfg, SENDING_ACT_FRM)) ndev = cfg->afx_hdl->dev; else ndev = cfg->escan_info.ndev; } if (!ndev || (!wl_get_drv_status(cfg, SCANNING, ndev) && !cfg->sched_scan_running)) { WL_ERR(("escan is not ready ndev %p drv_status 0x%x e_type %d e_states %d\n", ndev, wl_get_drv_status(cfg, SCANNING, ndev), ntoh32(e->event_type), ntoh32(e->status))); goto exit; } escan_result = (wl_escan_result_t *)data; if (status == WLC_E_STATUS_PARTIAL) { WL_INFORM(("WLC_E_STATUS_PARTIAL \n")); if (!escan_result) { WL_ERR(("Invalid escan result (NULL pointer)\n")); goto exit; } if ((dtoh32(escan_result->buflen) > ESCAN_BUF_SIZE) || (dtoh32(escan_result->buflen) < sizeof(wl_escan_result_t))) { WL_ERR(("Invalid escan buffer len:%d\n", dtoh32(escan_result->buflen))); goto exit; } if (dtoh16(escan_result->bss_count) != 1) { WL_ERR(("Invalid bss_count %d: ignoring\n", escan_result->bss_count)); goto exit; } bi = escan_result->bss_info; if (!bi) { WL_ERR(("Invalid escan bss info (NULL pointer)\n")); goto exit; } bi_length = dtoh32(bi->length); if (bi_length != (dtoh32(escan_result->buflen) - WL_ESCAN_RESULTS_FIXED_SIZE)) { WL_ERR(("Invalid bss_info length %d: ignoring\n", bi_length)); goto exit; } if (wl_escan_check_sync_id(status, escan_result->sync_id, cfg->escan_info.cur_sync_id) < 0) goto exit; if (!(bcmcfg_to_wiphy(cfg)->interface_modes & BIT(NL80211_IFTYPE_ADHOC))) { if (dtoh16(bi->capability) & DOT11_CAP_IBSS) { WL_DBG(("Ignoring IBSS result\n")); goto exit; } } if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) { p2p_dev_addr = wl_cfgp2p_retreive_p2p_dev_addr(bi, bi_length); if (p2p_dev_addr && !memcmp(p2p_dev_addr, cfg->afx_hdl->tx_dst_addr.octet, ETHER_ADDR_LEN)) { s32 channel = wf_chspec_ctlchan( wl_chspec_driver_to_host(bi->chanspec)); if ((channel > MAXCHANNEL) || (channel <= 0)) channel = WL_INVALID; else WL_ERR(("ACTION FRAME SCAN : Peer " MACDBG " found," " channel : %d\n", MAC2STRDBG(cfg->afx_hdl->tx_dst_addr.octet), channel)); wl_clr_p2p_status(cfg, SCANNING); cfg->afx_hdl->peer_chan = channel; complete(&cfg->act_frm_scan); goto exit; } } else { int cur_len = WL_SCAN_RESULTS_FIXED_SIZE; #ifdef ESCAN_BUF_OVERFLOW_MGMT removal_element_t candidate[BUF_OVERFLOW_MGMT_COUNT]; int remove_lower_rssi = FALSE; bzero(candidate, sizeof(removal_element_t)*BUF_OVERFLOW_MGMT_COUNT); #endif /* ESCAN_BUF_OVERFLOW_MGMT */ list = wl_escan_get_buf(cfg, FALSE); if (scan_req_match(cfg)) { /* p2p scan && allow only probe response */ if ((cfg->p2p->search_state != WL_P2P_DISC_ST_SCAN) && (bi->flags & WL_BSS_FLAGS_FROM_BEACON)) goto exit; if ((p2p_ie = wl_cfgp2p_find_p2pie(((u8 *) bi) + bi->ie_offset, bi->ie_length)) == NULL) { WL_ERR(("Couldn't find P2PIE in probe" " response/beacon\n")); goto exit; } } #ifdef ESCAN_BUF_OVERFLOW_MGMT if (bi_length > ESCAN_BUF_SIZE - list->buflen) remove_lower_rssi = TRUE; #endif /* ESCAN_BUF_OVERFLOW_MGMT */ for (i = 0; i < list->count; i++) { bss = bss ? (wl_bss_info_t *)((uintptr)bss + dtoh32(bss->length)) : list->bss_info; #ifdef ESCAN_BUF_OVERFLOW_MGMT WL_TRACE(("%s("MACDBG"), i=%d bss: RSSI %d list->count %d\n", bss->SSID, MAC2STRDBG(bss->BSSID.octet), i, bss->RSSI, list->count)); if (remove_lower_rssi) wl_cfg80211_find_removal_candidate(bss, candidate); #endif /* ESCAN_BUF_OVERFLOW_MGMT */ if (!bcmp(&bi->BSSID, &bss->BSSID, ETHER_ADDR_LEN) && (CHSPEC_BAND(wl_chspec_driver_to_host(bi->chanspec)) == CHSPEC_BAND(wl_chspec_driver_to_host(bss->chanspec))) && bi->SSID_len == bss->SSID_len && !bcmp(bi->SSID, bss->SSID, bi->SSID_len)) { /* do not allow beacon data to update *the data recd from a probe response */ if (!(bss->flags & WL_BSS_FLAGS_FROM_BEACON) && (bi->flags & WL_BSS_FLAGS_FROM_BEACON)) goto exit; WL_DBG(("%s("MACDBG"), i=%d prev: RSSI %d" " flags 0x%x, new: RSSI %d flags 0x%x\n", bss->SSID, MAC2STRDBG(bi->BSSID.octet), i, bss->RSSI, bss->flags, bi->RSSI, bi->flags)); if ((bss->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL) == (bi->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL)) { /* preserve max RSSI if the measurements are * both on-channel or both off-channel */ WL_SCAN(("%s("MACDBG"), same onchan" ", RSSI: prev %d new %d\n", bss->SSID, MAC2STRDBG(bi->BSSID.octet), bss->RSSI, bi->RSSI)); bi->RSSI = MAX(bss->RSSI, bi->RSSI); } else if ((bss->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL) && (bi->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL) == 0) { /* preserve the on-channel rssi measurement * if the new measurement is off channel */ WL_SCAN(("%s("MACDBG"), prev onchan" ", RSSI: prev %d new %d\n", bss->SSID, MAC2STRDBG(bi->BSSID.octet), bss->RSSI, bi->RSSI)); bi->RSSI = bss->RSSI; bi->flags |= WL_BSS_FLAGS_RSSI_ONCHANNEL; } if (dtoh32(bss->length) != bi_length) { u32 prev_len = dtoh32(bss->length); WL_SCAN(("bss info replacement" " is occured(bcast:%d->probresp%d)\n", bss->ie_length, bi->ie_length)); WL_DBG(("%s("MACDBG"), replacement!(%d -> %d)\n", bss->SSID, MAC2STRDBG(bi->BSSID.octet), prev_len, bi_length)); if (list->buflen - prev_len + bi_length > ESCAN_BUF_SIZE) { WL_ERR(("Buffer is too small: keep the" " previous result of this AP\n")); /* Only update RSSI */ bss->RSSI = bi->RSSI; bss->flags |= (bi->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL); goto exit; } if (i < list->count - 1) { /* memory copy required by this case only */ memmove((u8 *)bss + bi_length, (u8 *)bss + prev_len, list->buflen - cur_len - prev_len); } list->buflen -= prev_len; list->buflen += bi_length; } list->version = dtoh32(bi->version); memcpy((u8 *)bss, (u8 *)bi, bi_length); goto exit; } cur_len += dtoh32(bss->length); } if (bi_length > ESCAN_BUF_SIZE - list->buflen) { #ifdef ESCAN_BUF_OVERFLOW_MGMT wl_cfg80211_remove_lowRSSI_info(list, candidate, bi); if (bi_length > ESCAN_BUF_SIZE - list->buflen) { WL_DBG(("RSSI(" MACDBG ") is too low(%d) to add Buffer\n", MAC2STRDBG(bi->BSSID.octet), bi->RSSI)); goto exit; } #else WL_ERR(("Buffer is too small: ignoring\n")); goto exit; #endif /* ESCAN_BUF_OVERFLOW_MGMT */ } memcpy(&(((char *)list)[list->buflen]), bi, bi_length); list->version = dtoh32(bi->version); list->buflen += bi_length; list->count++; /* * !Broadcast && number of ssid = 1 && number of channels =1 * means specific scan to association */ if (wl_cfgp2p_is_p2p_specific_scan(cfg->scan_request)) { WL_ERR(("P2P assoc scan fast aborted.\n")); wl_notify_escan_complete(cfg, cfg->escan_info.ndev, false, true); goto exit; } } } else if (status == WLC_E_STATUS_SUCCESS) { #if defined(P2P_DISCOVERY_WAR) if (scan_req_match(cfg) && !cfg->p2p->vif_created) { if (wldev_iovar_setint(bcmcfg_to_prmry_ndev(cfg), "mpc", 1) < 0) { WL_ERR(("mpc enabling back failed\n")); } } #endif /* defined(P2P_DISCOVERY_WAR) */ cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; wl_escan_print_sync_id(status, cfg->escan_info.cur_sync_id, escan_result->sync_id); if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) { WL_INFORM(("ACTION FRAME SCAN DONE\n")); wl_clr_p2p_status(cfg, SCANNING); wl_clr_drv_status(cfg, SCANNING, cfg->afx_hdl->dev); if (cfg->afx_hdl->peer_chan == WL_INVALID) complete(&cfg->act_frm_scan); } else if ((likely(cfg->scan_request)) || (cfg->sched_scan_running)) { WL_INFORM(("ESCAN COMPLETED\n")); cfg->bss_list = wl_escan_get_buf(cfg, FALSE); if (!scan_req_match(cfg)) { WL_TRACE_HW4(("SCAN COMPLETED: scanned AP count=%d\n", cfg->bss_list->count)); } wl_inform_bss(cfg); wl_notify_escan_complete(cfg, ndev, false, false); } wl_escan_increment_sync_id(cfg, SCAN_BUF_NEXT); } else if (status == WLC_E_STATUS_ABORT) { #if defined(P2P_DISCOVERY_WAR) if (scan_req_match(cfg) && !cfg->p2p->vif_created) { if (wldev_iovar_setint(bcmcfg_to_prmry_ndev(cfg), "mpc", 1) < 0) { WL_ERR(("mpc enabling back failed\n")); } } #endif /* defined(P2P_DISCOVERY_WAR) */ cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; wl_escan_print_sync_id(status, escan_result->sync_id, cfg->escan_info.cur_sync_id); if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) { WL_INFORM(("ACTION FRAME SCAN DONE\n")); wl_clr_drv_status(cfg, SCANNING, cfg->afx_hdl->dev); wl_clr_p2p_status(cfg, SCANNING); if (cfg->afx_hdl->peer_chan == WL_INVALID) complete(&cfg->act_frm_scan); } else if ((likely(cfg->scan_request)) || (cfg->sched_scan_running)) { WL_INFORM(("ESCAN ABORTED\n")); cfg->bss_list = wl_escan_get_buf(cfg, TRUE); if (!scan_req_match(cfg)) { WL_TRACE_HW4(("SCAN ABORTED: scanned AP count=%d\n", cfg->bss_list->count)); } wl_inform_bss(cfg); wl_notify_escan_complete(cfg, ndev, true, false); } wl_escan_increment_sync_id(cfg, SCAN_BUF_CNT); } else if (status == WLC_E_STATUS_NEWSCAN) { WL_ERR(("WLC_E_STATUS_NEWSCAN : scan_request[%p]\n", cfg->scan_request)); WL_ERR(("sync_id[%d], bss_count[%d]\n", escan_result->sync_id, escan_result->bss_count)); } else if (status == WLC_E_STATUS_TIMEOUT) { WL_ERR(("WLC_E_STATUS_TIMEOUT : scan_request[%p]\n", cfg->scan_request)); WL_ERR(("reason[0x%x]\n", e->reason)); if (e->reason == 0xFFFFFFFF) { wl_notify_escan_complete(cfg, cfg->escan_info.ndev, true, true); } } else { WL_ERR(("unexpected Escan Event %d : abort\n", status)); cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; wl_escan_print_sync_id(status, escan_result->sync_id, cfg->escan_info.cur_sync_id); if (wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) { WL_INFORM(("ACTION FRAME SCAN DONE\n")); wl_clr_p2p_status(cfg, SCANNING); wl_clr_drv_status(cfg, SCANNING, cfg->afx_hdl->dev); if (cfg->afx_hdl->peer_chan == WL_INVALID) complete(&cfg->act_frm_scan); } else if ((likely(cfg->scan_request)) || (cfg->sched_scan_running)) { cfg->bss_list = wl_escan_get_buf(cfg, TRUE); if (!scan_req_match(cfg)) { WL_TRACE_HW4(("SCAN ABORTED(UNEXPECTED): " "scanned AP count=%d\n", cfg->bss_list->count)); } wl_inform_bss(cfg); wl_notify_escan_complete(cfg, ndev, true, false); } wl_escan_increment_sync_id(cfg, 2); } exit: mutex_unlock(&cfg->usr_sync); return err; } static void wl_cfg80211_concurrent_roam(struct bcm_cfg80211 *cfg, int enable) { u32 connected_cnt = wl_get_drv_status_all(cfg, CONNECTED); struct net_info *iter, *next; int err; if (!cfg->roamoff_on_concurrent) return; if (enable && connected_cnt > 1) { for_each_ndev(cfg, iter, next) { /* Save the current roam setting */ if ((err = wldev_iovar_getint(iter->ndev, "roam_off", (s32 *)&iter->roam_off)) != BCME_OK) { WL_ERR(("%s:Failed to get current roam setting err %d\n", iter->ndev->name, err)); continue; } if ((err = wldev_iovar_setint(iter->ndev, "roam_off", 1)) != BCME_OK) { WL_ERR((" %s:failed to set roam_off : %d\n", iter->ndev->name, err)); } } } else if (!enable) { for_each_ndev(cfg, iter, next) { if (iter->roam_off != WL_INVALID) { if ((err = wldev_iovar_setint(iter->ndev, "roam_off", iter->roam_off)) == BCME_OK) iter->roam_off = WL_INVALID; else { WL_ERR((" %s:failed to set roam_off : %d\n", iter->ndev->name, err)); } } } } return; } static void wl_cfg80211_determine_vsdb_mode(struct bcm_cfg80211 *cfg) { struct net_info *iter, *next; u32 ctl_chan = 0; u32 chanspec = 0; u32 pre_ctl_chan = 0; u32 connected_cnt = wl_get_drv_status_all(cfg, CONNECTED); cfg->vsdb_mode = false; if (connected_cnt <= 1) { return; } for_each_ndev(cfg, iter, next) { chanspec = 0; ctl_chan = 0; if (wl_get_drv_status(cfg, CONNECTED, iter->ndev)) { if (wldev_iovar_getint(iter->ndev, "chanspec", (s32 *)&chanspec) == BCME_OK) { chanspec = wl_chspec_driver_to_host(chanspec); ctl_chan = wf_chspec_ctlchan(chanspec); wl_update_prof(cfg, iter->ndev, NULL, &ctl_chan, WL_PROF_CHAN); } if (!cfg->vsdb_mode) { if (!pre_ctl_chan && ctl_chan) pre_ctl_chan = ctl_chan; else if (pre_ctl_chan && (pre_ctl_chan != ctl_chan)) { cfg->vsdb_mode = true; } } } } WL_ERR(("%s concurrency is enabled\n", cfg->vsdb_mode ? "Multi Channel" : "Same Channel")); return; } static s32 wl_notifier_change_state(struct bcm_cfg80211 *cfg, struct net_info *_net_info, enum wl_status state, bool set) { s32 pm = PM_FAST; s32 err = BCME_OK; u32 mode; u32 chan = 0; struct net_info *iter, *next; struct net_device *primary_dev = bcmcfg_to_prmry_ndev(cfg); WL_DBG(("Enter state %d set %d _net_info->pm_restore %d iface %s\n", state, set, _net_info->pm_restore, _net_info->ndev->name)); if (state != WL_STATUS_CONNECTED) return 0; mode = wl_get_mode_by_netdev(cfg, _net_info->ndev); if (set) { wl_cfg80211_concurrent_roam(cfg, 1); if (mode == WL_MODE_AP) { if (wl_add_remove_eventmsg(primary_dev, WLC_E_P2P_PROBREQ_MSG, false)) WL_ERR((" failed to unset WLC_E_P2P_PROPREQ_MSG\n")); } wl_cfg80211_determine_vsdb_mode(cfg); if (cfg->vsdb_mode || _net_info->pm_block) { /* Delete pm_enable_work */ wl_add_remove_pm_enable_work(cfg, FALSE, WL_HANDLER_MAINTAIN); /* save PM_FAST in _net_info to restore this * if _net_info->pm_block is false */ if (!_net_info->pm_block && (mode == WL_MODE_BSS)) { _net_info->pm = PM_FAST; _net_info->pm_restore = true; } pm = PM_OFF; down_read(&cfg->netif_sem); for_each_ndev(cfg, iter, next) { if (iter->pm_restore) continue; /* Save the current power mode */ err = wldev_ioctl(iter->ndev, WLC_GET_PM, &iter->pm, sizeof(iter->pm), false); WL_DBG(("%s:power save %s\n", iter->ndev->name, iter->pm ? "enabled" : "disabled")); if (!err && iter->pm) { iter->pm_restore = true; } } for_each_ndev(cfg, iter, next) { if (!wl_get_drv_status(cfg, CONNECTED, iter->ndev)) continue; if ((err = wldev_ioctl(iter->ndev, WLC_SET_PM, &pm, sizeof(pm), true)) != 0) { if (err == -ENODEV) WL_DBG(("%s:netdev not ready\n", iter->ndev->name)); else WL_ERR(("%s:error (%d)\n", iter->ndev->name, err)); wl_cfg80211_update_power_mode(iter->ndev); } } up_read(&cfg->netif_sem); } else { /* add PM Enable timer to go to power save mode * if supplicant control pm mode, it will be cleared or * updated by wl_cfg80211_set_power_mgmt() if not - for static IP & HW4 P2P, * PM will be configured when timer expired */ /* * before calling pm_enable_timer, we need to set PM -1 for all ndev */ down_read(&cfg->netif_sem); pm = PM_OFF; if (!_net_info->pm_block) { for_each_ndev(cfg, iter, next) { if (iter->pm_restore) continue; /* Save the current power mode */ iter->pm = PM_OFF; err = wldev_ioctl(iter->ndev, WLC_GET_PM, &iter->pm, sizeof(iter->pm), false); WL_DBG(("%s:power save %s\n", iter->ndev->name, iter->pm ? "enabled" : "disabled")); if (!err && iter->pm) { iter->pm_restore = true; } } } for_each_ndev(cfg, iter, next) { if (!wl_get_drv_status(cfg, CONNECTED, iter->ndev)) continue; if ((err = wldev_ioctl(iter->ndev, WLC_SET_PM, &pm, sizeof(pm), true)) != 0) { if (err == -ENODEV) WL_DBG(("%s:netdev not ready\n", iter->ndev->name)); else WL_ERR(("%s:error (%d)\n", iter->ndev->name, err)); } } up_read(&cfg->netif_sem); if (cfg->pm_enable_work_on) { wl_add_remove_pm_enable_work(cfg, FALSE, WL_HANDLER_DEL); } cfg->pm_enable_work_on = true; wl_add_remove_pm_enable_work(cfg, TRUE, WL_HANDLER_NOTUSE); } #if defined(WLTDLS) #if defined(DISABLE_TDLS_IN_P2P) if (cfg->vsdb_mode || p2p_is_on(cfg)) #else if (cfg->vsdb_mode) #endif /* defined(DISABLE_TDLS_IN_P2P) */ { err = wldev_iovar_setint(primary_dev, "tdls_enable", 0); } #endif /* defined(WLTDLS) */ } else { /* clear */ chan = 0; /* clear chan information when the net device is disconnected */ wl_update_prof(cfg, _net_info->ndev, NULL, &chan, WL_PROF_CHAN); wl_cfg80211_determine_vsdb_mode(cfg); down_read(&cfg->netif_sem); for_each_ndev(cfg, iter, next) { if (iter->pm_restore && iter->pm) { WL_DBG(("%s:restoring power save %s\n", iter->ndev->name, (iter->pm ? "enabled" : "disabled"))); err = wldev_ioctl(iter->ndev, WLC_SET_PM, &iter->pm, sizeof(iter->pm), true); if (unlikely(err)) { if (err == -ENODEV) WL_DBG(("%s:netdev not ready\n", iter->ndev->name)); else WL_ERR(("%s:error(%d)\n", iter->ndev->name, err)); break; } iter->pm_restore = 0; wl_cfg80211_update_power_mode(iter->ndev); } } up_read(&cfg->netif_sem); wl_cfg80211_concurrent_roam(cfg, 0); #if defined(WLTDLS) if (!cfg->vsdb_mode) { err = wldev_iovar_setint(primary_dev, "tdls_enable", 1); } #endif /* defined(WLTDLS) */ } return err; } static s32 wl_init_scan(struct bcm_cfg80211 *cfg) { int err = 0; cfg->evt_handler[WLC_E_ESCAN_RESULT] = wl_escan_handler; cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; wl_escan_init_sync_id(cfg); /* Init scan_timeout timer */ init_timer(&cfg->scan_timeout); cfg->scan_timeout.data = (unsigned long) cfg; cfg->scan_timeout.function = wl_scan_timeout; return err; } static void wl_dealloc_netinfo(struct work_struct *work) { struct net_info *_net_info, *next; struct bcm_cfg80211 *cfg = container_of(work, struct bcm_cfg80211, dealloc_work); if (down_interruptible(&cfg->net_wdev_sema)) return; down_write(&cfg->netif_sem); list_for_each_entry_safe(_net_info, next, &cfg->dealloc_list, list) { list_del(&_net_info->list); if (_net_info->wdev) { #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0)) flush_work(&_net_info->wdev->cleanup_work); WARN_ON(work_pending(&_net_info->wdev->cleanup_work)); #endif /* rtnl_lock is required to protect wdev from nl80211_pre_doit * and nl80211_post_doit calls */ rtnl_lock(); if (cfg->wdev == _net_info->wdev) cfg->wdev = NULL; else if (cfg->p2p_wdev == _net_info->wdev) cfg->p2p_wdev = NULL; else WL_ERR(("Unknown wdev freeed!\n")); kfree(_net_info->wdev); _net_info->wdev = NULL; rtnl_unlock(); } kfree(_net_info); } up_write(&cfg->netif_sem); up(&cfg->net_wdev_sema); } static s32 wl_init_priv(struct bcm_cfg80211 *cfg) { struct wiphy *wiphy = bcmcfg_to_wiphy(cfg); struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); s32 err = 0; cfg->scan_request = NULL; cfg->pwr_save = !!(wiphy->flags & WIPHY_FLAG_PS_ON_BY_DEFAULT); cfg->roam_on = false; cfg->active_scan = true; cfg->rf_blocked = false; cfg->vsdb_mode = false; #if defined(BCMSDIO) cfg->wlfc_on = false; #endif cfg->roamoff_on_concurrent = true; cfg->disable_roam_event = false; /* register interested state */ set_bit(WL_STATUS_CONNECTED, &cfg->interrested_state); spin_lock_init(&cfg->cfgdrv_lock); mutex_init(&cfg->ioctl_buf_sync); init_rwsem(&cfg->netif_sem); sema_init(&cfg->net_wdev_sema, 1); init_waitqueue_head(&cfg->netif_change_event); init_completion(&cfg->send_af_done); init_completion(&cfg->send_disconnected); init_completion(&cfg->iface_disable); wl_init_eq(cfg); err = wl_init_priv_mem(cfg); if (err) return err; if (wl_create_event_handler(cfg)) return -ENOMEM; wl_init_event_handler(cfg); mutex_init(&cfg->usr_sync); mutex_init(&cfg->event_sync); err = wl_init_scan(cfg); if (err) return err; wl_init_conf(cfg->conf); wl_init_prof(cfg, ndev); wl_link_down(cfg); DNGL_FUNC(dhd_cfg80211_init, (cfg)); INIT_LIST_HEAD(&cfg->dealloc_list); INIT_WORK(&cfg->dealloc_work, wl_dealloc_netinfo); return err; } static void wl_deinit_priv(struct bcm_cfg80211 *cfg) { DNGL_FUNC(dhd_cfg80211_deinit, (cfg)); wl_destroy_event_handler(cfg); wl_flush_eq(cfg); wl_link_down(cfg); del_timer_sync(&cfg->scan_timeout); wl_deinit_priv_mem(cfg); if (wl_cfg80211_netdev_notifier_registered) { wl_cfg80211_netdev_notifier_registered = FALSE; unregister_netdevice_notifier(&wl_cfg80211_netdev_notifier); } } #if defined(CUSTOMER_HW20) && defined(WLANAUDIO) struct net_device *wl0dot1_dev; #endif /* CUSTOMER_HW20 && WLANAUDIO */ #if defined(WL_ENABLE_P2P_IF) || defined(P2PONEINT) static s32 wl_cfg80211_attach_p2p(void) { struct bcm_cfg80211 *cfg = g_bcm_cfg; WL_TRACE(("Enter \n")); if (wl_cfgp2p_register_ndev(cfg) < 0) { WL_ERR(("P2P attach failed. \n")); return -ENODEV; } #if defined(CUSTOMER_HW20) && defined(WLANAUDIO) wl0dot1_dev = cfg->p2p_net; #endif /* CUSTOMER_HW20 && WLANAUDIO */ return 0; } #endif #if defined(WL_ENABLE_P2P_IF) static s32 wl_cfg80211_detach_p2p(void) { struct bcm_cfg80211 *cfg = g_bcm_cfg; struct wireless_dev *wdev; WL_DBG(("Enter \n")); if (!cfg) { WL_ERR(("Invalid Ptr\n")); return -EINVAL; } else wdev = cfg->p2p_wdev; if (!wdev) { WL_ERR(("Invalid Ptr\n")); return -EINVAL; } wl_cfgp2p_unregister_ndev(cfg); cfg->p2p_wdev = NULL; cfg->p2p_net = NULL; WL_DBG(("Freeing 0x%08x \n", (unsigned int)wdev)); kfree(wdev); return 0; } #endif s32 wl_cfg80211_attach_post(struct net_device *ndev) { struct bcm_cfg80211 * cfg = NULL; s32 err = 0; s32 ret = 0; WL_TRACE(("In\n")); if (unlikely(!ndev)) { WL_ERR(("ndev is invaild\n")); return -ENODEV; } cfg = g_bcm_cfg; if (unlikely(!cfg)) { WL_ERR(("cfg is invaild\n")); return -EINVAL; } if (!wl_get_drv_status(cfg, READY, ndev)) { if (cfg->wdev) { ret = wl_cfgp2p_supported(cfg, ndev); if (ret > 0) { #if !defined(WL_ENABLE_P2P_IF) cfg->wdev->wiphy->interface_modes |= (BIT(NL80211_IFTYPE_P2P_CLIENT)| BIT(NL80211_IFTYPE_P2P_GO)); #endif /* !WL_ENABLE_P2P_IF */ if ((err = wl_cfgp2p_init_priv(cfg)) != 0) goto fail; #ifdef P2PONEINT if (!cfg->p2p_net) { cfg->p2p_supported = true; err = wl_cfg80211_attach_p2p(); if (err) goto fail; cfg->p2p_supported = true; } #endif #if defined(WL_ENABLE_P2P_IF) || defined(P2PONEINT) if (cfg->p2p_net) { /* Update MAC addr for p2p0 interface here. */ memcpy(cfg->p2p_net->dev_addr, ndev->dev_addr, ETH_ALEN); cfg->p2p_net->dev_addr[0] |= 0x02; WL_ERR(("%s: p2p_dev_addr="MACDBG "\n", cfg->p2p_net->name, MAC2STRDBG(cfg->p2p_net->dev_addr))); } else { WL_ERR(("p2p_net not yet populated." " Couldn't update the MAC Address for p2p0 \n")); return -ENODEV; } #endif /* WL_ENABLE_P2P_IF */ #ifndef P2PONEINT cfg->p2p_supported = true; #endif } else if (ret == 0) { if ((err = wl_cfgp2p_init_priv(cfg)) != 0) goto fail; } else { /* SDIO bus timeout */ err = -ENODEV; goto fail; } } } wl_set_drv_status(cfg, READY, ndev); fail: return err; } struct bcm_cfg80211 *wl_get_cfg(struct net_device *ndev) { struct wireless_dev *wdev = ndev->ieee80211_ptr; if (!wdev) return NULL; return wiphy_priv(wdev->wiphy); } s32 wl_cfg80211_attach(struct net_device *ndev, void *context) { struct wireless_dev *wdev; struct bcm_cfg80211 *cfg; s32 err = 0; struct device *dev; WL_TRACE(("In\n")); if (!ndev) { WL_ERR(("ndev is invaild\n")); return -ENODEV; } WL_DBG(("func %p\n", wl_cfg80211_get_parent_dev())); dev = wl_cfg80211_get_parent_dev(); wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); if (unlikely(!wdev)) { WL_ERR(("Could not allocate wireless device\n")); return -ENOMEM; } err = wl_setup_wiphy(wdev, dev, context); if (unlikely(err)) { kfree(wdev); return -ENOMEM; } wdev->iftype = wl_mode_to_nl80211_iftype(WL_MODE_BSS); cfg = (struct bcm_cfg80211 *)wiphy_priv(wdev->wiphy); cfg->wdev = wdev; cfg->pub = context; INIT_LIST_HEAD(&cfg->net_list); ndev->ieee80211_ptr = wdev; SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy)); wdev->netdev = ndev; cfg->state_notifier = wl_notifier_change_state; err = wl_alloc_netinfo(cfg, ndev, wdev, WL_MODE_BSS, PM_ENABLE); if (err) { WL_ERR(("Failed to alloc net_info (%d)\n", err)); goto cfg80211_attach_out; } err = wl_init_priv(cfg); if (err) { WL_ERR(("Failed to init iwm_priv (%d)\n", err)); goto cfg80211_attach_out; } err = wl_setup_rfkill(cfg, TRUE); if (err) { WL_ERR(("Failed to setup rfkill %d\n", err)); goto cfg80211_attach_out; } #ifdef DEBUGFS_CFG80211 err = wl_setup_debugfs(cfg); if (err) { WL_ERR(("Failed to setup debugfs %d\n", err)); goto cfg80211_attach_out; } #endif if (!wl_cfg80211_netdev_notifier_registered) { wl_cfg80211_netdev_notifier_registered = TRUE; err = register_netdevice_notifier(&wl_cfg80211_netdev_notifier); if (err) { wl_cfg80211_netdev_notifier_registered = FALSE; WL_ERR(("Failed to register notifierl %d\n", err)); goto cfg80211_attach_out; } } #if defined(COEX_DHCP) cfg->btcoex_info = wl_cfg80211_btcoex_init(cfg->wdev->netdev); if (!cfg->btcoex_info) goto cfg80211_attach_out; #endif g_bcm_cfg = cfg; #if defined(WL_ENABLE_P2P_IF) #ifndef P2PONEINT err = wl_cfg80211_attach_p2p(); if (err) goto cfg80211_attach_out; #endif #endif wl_fw_assoc_timeout_init(); return err; cfg80211_attach_out: wl_setup_rfkill(cfg, FALSE); wl_free_wdev(cfg); return err; } void wl_cfg80211_detach(void *para) { struct bcm_cfg80211 *cfg; (void)para; cfg = g_bcm_cfg; WL_TRACE(("In\n")); wl_fw_assoc_timeout_cancel(); wl_add_remove_pm_enable_work(cfg, FALSE, WL_HANDLER_DEL); #if defined(COEX_DHCP) wl_cfg80211_btcoex_deinit(); cfg->btcoex_info = NULL; #endif wl_setup_rfkill(cfg, FALSE); #ifdef DEBUGFS_CFG80211 wl_free_debugfs(cfg); #endif if (cfg->p2p_supported) { if (timer_pending(&cfg->p2p->listen_timer)) del_timer_sync(&cfg->p2p->listen_timer); wl_cfgp2p_deinit_priv(cfg); } if (timer_pending(&cfg->scan_timeout)) del_timer_sync(&cfg->scan_timeout); #if defined(WL_CFG80211_P2P_DEV_IF) wl_cfgp2p_del_p2p_disc_if(cfg->p2p_wdev, cfg); #endif /* WL_CFG80211_P2P_DEV_IF */ #if defined(WL_ENABLE_P2P_IF) wl_cfg80211_detach_p2p(); #endif wl_cfg80211_ibss_vsie_free(cfg); wl_deinit_priv(cfg); g_bcm_cfg = NULL; wl_cfg80211_clear_parent_dev(); wl_free_wdev(cfg); /* PLEASE do NOT call any function after wl_free_wdev, the driver's private * structure "cfg", which is the private part of wiphy, has been freed in * wl_free_wdev !!!!!!!!!!! */ } static void wl_wakeup_event(struct bcm_cfg80211 *cfg) { if (cfg->event_tsk.thr_pid >= 0) { DHD_OS_WAKE_LOCK(cfg->pub); up(&cfg->event_tsk.sema); } } #if defined(P2PONEINT) static int wl_is_p2p_event(struct wl_event_q *e) { struct bcm_cfg80211 *cfg = g_bcm_cfg; switch (e->etype) { case WLC_E_IF: WL_TRACE(("P2P event(%d) on interface(ifidx:%d)\n", e->etype, e->emsg.ifidx)); (void)schedule_timeout(20); if (wl_get_p2p_status(cfg, IF_ADDING) || wl_get_p2p_status(cfg, IF_DELETING) || wl_get_p2p_status(cfg, IF_CHANGING) || wl_get_p2p_status(cfg, IF_CHANGED)) { WL_TRACE(("P2P Event on Primary I/F (ifidx:%d)." " Sent it to p2p0 \n", e->emsg.ifidx)); return TRUE; } else { WL_TRACE(("Event is Not p2p event return False \n")); return FALSE; } case WLC_E_P2P_PROBREQ_MSG: case WLC_E_P2P_DISC_LISTEN_COMPLETE: case WLC_E_ACTION_FRAME_RX: case WLC_E_ACTION_FRAME_OFF_CHAN_COMPLETE: case WLC_E_ACTION_FRAME_COMPLETE: if (e->emsg.ifidx != 0) { WL_TRACE(("P2P event(%d) on virtual interface(ifidx:%d)\n", e->etype, e->emsg.ifidx)); return FALSE; } else { WL_TRACE(("P2P event(%d) on interface(ifidx:%d)\n", e->etype, e->emsg.ifidx)); return TRUE; } break; default: WL_TRACE(("NON-P2P event(%d) on interface(ifidx:%d)\n", e->etype, e->emsg.ifidx)); return FALSE; } } #endif static s32 wl_event_handler(void *data) { struct bcm_cfg80211 *cfg = NULL; struct wl_event_q *e; tsk_ctl_t *tsk = (tsk_ctl_t *)data; bcm_struct_cfgdev *cfgdev = NULL; cfg = (struct bcm_cfg80211 *)tsk->parent; WL_ERR(("tsk Enter, tsk = 0x%p\n", tsk)); while (down_interruptible (&tsk->sema) == 0) { SMP_RD_BARRIER_DEPENDS(); if (tsk->terminated) break; while ((e = wl_deq_event(cfg))) { WL_DBG(("event type (%d), if idx: %d\n", e->etype, e->emsg.ifidx)); /* All P2P device address related events comes on primary interface since * there is no corresponding bsscfg for P2P interface. Map it to p2p0 * interface. */ if (down_interruptible(&cfg->net_wdev_sema) < 0) { WL_ERR(("%s: cannot lock semaphore\n", __func__)); goto event_fail; } #if defined(WL_CFG80211_P2P_DEV_IF) #ifdef P2PONEINT if ((wl_is_p2p_event(e) == TRUE) && (cfg->p2p_wdev)) { #else if (WL_IS_P2P_DEV_EVENT(e) && (cfg->p2p_wdev)) { #endif cfgdev = bcmcfg_to_p2p_wdev(cfg); } else { struct net_device *ndev = NULL; ndev = dhd_idx2net((struct dhd_pub *)(cfg->pub), e->emsg.ifidx); if (ndev) cfgdev = ndev_to_wdev(ndev); #ifdef P2PONEINT else if (e->etype == WLC_E_IF) { wl_put_event(e); DHD_OS_WAKE_UNLOCK(cfg->pub); continue; } if (cfgdev == NULL) { if (e->etype == WLC_E_IF) cfgdev = bcmcfg_to_prmry_wdev(cfg); else { cfgdev = ndev_to_wdev(wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION)); } } #endif } #elif defined(WL_ENABLE_P2P_IF) if (WL_IS_P2P_DEV_EVENT(e) && (cfg->p2p_net)) { cfgdev = cfg->p2p_net; } else { cfgdev = dhd_idx2net((struct dhd_pub *)(cfg->pub), e->emsg.ifidx); } #endif /* WL_CFG80211_P2P_DEV_IF */ if (!cfgdev) { #if defined(WL_CFG80211_P2P_DEV_IF) cfgdev = bcmcfg_to_prmry_wdev(cfg); #elif defined(WL_ENABLE_P2P_IF) cfgdev = bcmcfg_to_prmry_ndev(cfg); #endif /* WL_CFG80211_P2P_DEV_IF */ } if (e->etype < WLC_E_LAST && cfg->evt_handler[e->etype] && cfgdev) { cfg->evt_handler[e->etype] (cfg, cfgdev, &e->emsg, e->edata); } else { WL_DBG(("Unknown Event (%d): ignoring\n", e->etype)); } up(&cfg->net_wdev_sema); event_fail: wl_put_event(e); } DHD_OS_WAKE_UNLOCK(cfg->pub); } WL_ERR(("was terminated\n")); complete_and_exit(&tsk->completed, 0); return 0; } void wl_cfg80211_event(struct net_device *ndev, const wl_event_msg_t * e, void *data) { u32 event_type = ntoh32(e->event_type); struct bcm_cfg80211 *cfg = g_bcm_cfg; #if (WL_DBG_LEVEL > 0) s8 *estr = (event_type <= sizeof(wl_dbg_estr) / WL_DBG_ESTR_MAX - 1) ? wl_dbg_estr[event_type] : (s8 *) "Unknown"; WL_DBG(("event_type (%d):" "WLC_E_" "%s\n", event_type, estr)); #endif /* (WL_DBG_LEVEL > 0) */ if (wl_get_p2p_status(cfg, IF_CHANGING) || wl_get_p2p_status(cfg, IF_ADDING)) { WL_ERR(("during IF change, ignore event %d\n", event_type)); return; } if (ndev != bcmcfg_to_prmry_ndev(cfg) && cfg->p2p_supported) { if ((cfg->bss_cfgdev) && (ndev == cfgdev_to_wlc_ndev(cfg->bss_cfgdev, cfg))) { /* Event is corresponding to the secondary STA interface */ WL_DBG(("DualSta event (%d), proceed to enqueue it \n", event_type)); } else if (ndev != wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION) && #if defined(WL_ENABLE_P2P_IF) (ndev != (cfg->p2p_net ? cfg->p2p_net : wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_DEVICE))) && #else (ndev != wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_DEVICE)) && #endif /* WL_ENABLE_P2P_IF */ TRUE) { WL_ERR(("ignore event %d, not interested\n", event_type)); return; } } if (event_type == WLC_E_PFN_NET_FOUND) { WL_DBG((" PNOEVENT: PNO_NET_FOUND\n")); } else if (event_type == WLC_E_PFN_NET_LOST) { WL_DBG((" PNOEVENT: PNO_NET_LOST\n")); } if (likely(!wl_enq_event(cfg, ndev, event_type, e, data))) wl_wakeup_event(cfg); } static void wl_init_eq(struct bcm_cfg80211 *cfg) { wl_init_eq_lock(cfg); INIT_LIST_HEAD(&cfg->eq_list); } static void wl_flush_eq(struct bcm_cfg80211 *cfg) { struct wl_event_q *e; unsigned long flags; flags = wl_lock_eq(cfg); while (!list_empty(&cfg->eq_list)) { e = list_first_entry(&cfg->eq_list, struct wl_event_q, eq_list); list_del(&e->eq_list); kfree(e); } wl_unlock_eq(cfg, flags); } /* * retrieve first queued event from head */ static struct wl_event_q *wl_deq_event(struct bcm_cfg80211 *cfg) { struct wl_event_q *e = NULL; unsigned long flags; flags = wl_lock_eq(cfg); if (likely(!list_empty(&cfg->eq_list))) { e = list_first_entry(&cfg->eq_list, struct wl_event_q, eq_list); list_del(&e->eq_list); } wl_unlock_eq(cfg, flags); return e; } /* * push event to tail of the queue */ static s32 wl_enq_event(struct bcm_cfg80211 *cfg, struct net_device *ndev, u32 event, const wl_event_msg_t *msg, void *data) { struct wl_event_q *e; s32 err = 0; uint32 evtq_size; uint32 data_len; unsigned long flags; gfp_t aflags; data_len = 0; if (data) data_len = ntoh32(msg->datalen); evtq_size = sizeof(struct wl_event_q) + data_len; aflags = (in_atomic()) ? GFP_ATOMIC : GFP_KERNEL; e = kzalloc(evtq_size, aflags); if (unlikely(!e)) { WL_ERR(("event alloc failed\n")); return -ENOMEM; } e->etype = event; memcpy(&e->emsg, msg, sizeof(wl_event_msg_t)); if (data) memcpy(e->edata, data, data_len); flags = wl_lock_eq(cfg); list_add_tail(&e->eq_list, &cfg->eq_list); wl_unlock_eq(cfg, flags); return err; } static void wl_put_event(struct wl_event_q *e) { kfree(e); } static s32 wl_config_ifmode(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 iftype) { s32 infra = 0; s32 err = 0; s32 mode = 0; switch (iftype) { case NL80211_IFTYPE_MONITOR: case NL80211_IFTYPE_WDS: WL_ERR(("type (%d) : currently we do not support this mode\n", iftype)); err = -EINVAL; return err; case NL80211_IFTYPE_ADHOC: mode = WL_MODE_IBSS; break; case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_P2P_CLIENT: mode = WL_MODE_BSS; infra = 1; break; case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_GO: mode = WL_MODE_AP; infra = 1; break; default: err = -EINVAL; WL_ERR(("invalid type (%d)\n", iftype)); return err; } infra = htod32(infra); err = wldev_ioctl(ndev, WLC_SET_INFRA, &infra, sizeof(infra), true); if (unlikely(err)) { WL_ERR(("WLC_SET_INFRA error (%d)\n", err)); return err; } wl_set_mode_by_netdev(cfg, ndev, mode); return 0; } void wl_cfg80211_add_to_eventbuffer(struct wl_eventmsg_buf *ev, u16 event, bool set) { if (!ev || (event > WLC_E_LAST)) return; if (ev->num < MAX_EVENT_BUF_NUM) { ev->event[ev->num].type = event; ev->event[ev->num].set = set; ev->num++; } else { WL_ERR(("evenbuffer doesn't support > %u events. Update" " the define MAX_EVENT_BUF_NUM \n", MAX_EVENT_BUF_NUM)); ASSERT(0); } } s32 wl_cfg80211_apply_eventbuffer( struct net_device *ndev, struct bcm_cfg80211 *cfg, wl_eventmsg_buf_t *ev) { char eventmask[WL_EVENTING_MASK_LEN]; int i, ret = 0; s8 iovbuf[WL_EVENTING_MASK_LEN + 12]; if (!ev || (!ev->num)) return -EINVAL; mutex_lock(&cfg->event_sync); /* Read event_msgs mask */ ret = wldev_iovar_getbuf(ndev, "event_msgs", NULL, 0, iovbuf, sizeof(iovbuf), NULL); if (unlikely(ret)) { WL_ERR(("Get event_msgs error (%d)\n", ret)); goto exit; } memcpy(eventmask, iovbuf, WL_EVENTING_MASK_LEN); /* apply the set bits */ for (i = 0; i < ev->num; i++) { if (ev->event[i].set) setbit(eventmask, ev->event[i].type); else clrbit(eventmask, ev->event[i].type); } /* Write updated Event mask */ ret = wldev_iovar_setbuf(ndev, "event_msgs", eventmask, sizeof(eventmask), iovbuf, sizeof(iovbuf), NULL); if (unlikely(ret)) { WL_ERR(("Set event_msgs error (%d)\n", ret)); } exit: mutex_unlock(&cfg->event_sync); return ret; } s32 wl_add_remove_eventmsg(struct net_device *ndev, u16 event, bool add) { s8 iovbuf[WL_EVENTING_MASK_LEN + 12]; s8 eventmask[WL_EVENTING_MASK_LEN]; s32 err = 0; struct bcm_cfg80211 *cfg = g_bcm_cfg; if (!ndev || !cfg) return -ENODEV; mutex_lock(&cfg->event_sync); /* Setup event_msgs */ err = wldev_iovar_getbuf(ndev, "event_msgs", NULL, 0, iovbuf, sizeof(iovbuf), NULL); if (unlikely(err)) { WL_ERR(("Get event_msgs error (%d)\n", err)); goto eventmsg_out; } memcpy(eventmask, iovbuf, WL_EVENTING_MASK_LEN); if (add) { setbit(eventmask, event); } else { clrbit(eventmask, event); } err = wldev_iovar_setbuf(ndev, "event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf, sizeof(iovbuf), NULL); if (unlikely(err)) { WL_ERR(("Set event_msgs error (%d)\n", err)); goto eventmsg_out; } eventmsg_out: mutex_unlock(&cfg->event_sync); return err; } static int wl_construct_reginfo(struct bcm_cfg80211 *cfg, s32 bw_cap) { struct net_device *dev = bcmcfg_to_prmry_ndev(cfg); struct ieee80211_channel *band_chan_arr = NULL; wl_uint32_list_t *list; u32 i, j, index, n_2g, n_5g, band, channel, array_size; u32 *n_cnt = NULL; chanspec_t c = 0; s32 err = BCME_OK; bool update; bool ht40_allowed; u8 *pbuf = NULL; bool dfs_radar_disabled = FALSE; #define LOCAL_BUF_LEN 1024 pbuf = kzalloc(LOCAL_BUF_LEN, GFP_KERNEL); if (pbuf == NULL) { WL_ERR(("failed to allocate local buf\n")); return -ENOMEM; } list = (wl_uint32_list_t *)(void *)pbuf; list->count = htod32(WL_NUMCHANSPECS); err = wldev_iovar_getbuf_bsscfg(dev, "chanspecs", NULL, 0, pbuf, LOCAL_BUF_LEN, 0, &cfg->ioctl_buf_sync); if (err != 0) { WL_ERR(("get chanspecs failed with %d\n", err)); kfree(pbuf); return err; } #undef LOCAL_BUF_LEN list = (wl_uint32_list_t *)(void *)pbuf; band = array_size = n_2g = n_5g = 0; for (i = 0; i < dtoh32(list->count); i++) { index = 0; update = false; ht40_allowed = false; c = (chanspec_t)dtoh32(list->element[i]); c = wl_chspec_driver_to_host(c); channel = wf_chspec_ctlchan(c); if (!CHSPEC_IS40(c) && ! CHSPEC_IS20(c)) { WL_DBG(("HT80/160/80p80 center channel : %d\n", channel)); continue; } if (CHSPEC_IS2G(c) && (channel >= CH_MIN_2G_CHANNEL) && (channel <= CH_MAX_2G_CHANNEL)) { band_chan_arr = __wl_2ghz_channels; array_size = ARRAYSIZE(__wl_2ghz_channels); n_cnt = &n_2g; band = IEEE80211_BAND_2GHZ; ht40_allowed = (bw_cap == WLC_N_BW_40ALL)? true : false; } else if (CHSPEC_IS5G(c) && channel >= CH_MIN_5G_CHANNEL) { band_chan_arr = __wl_5ghz_a_channels; array_size = ARRAYSIZE(__wl_5ghz_a_channels); n_cnt = &n_5g; band = IEEE80211_BAND_5GHZ; ht40_allowed = (bw_cap == WLC_N_BW_20ALL)? false : true; } else { WL_ERR(("Invalid channel Sepc. 0x%x.\n", c)); continue; } if (!ht40_allowed && CHSPEC_IS40(c)) continue; for (j = 0; (j < *n_cnt && (*n_cnt < array_size)); j++) { if (band_chan_arr[j].hw_value == channel) { update = true; break; } } if (update) index = j; else index = *n_cnt; if (index < array_size) { #if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 38) band_chan_arr[index].center_freq = ieee80211_channel_to_frequency(channel); #else band_chan_arr[index].center_freq = ieee80211_channel_to_frequency(channel, band); #endif band_chan_arr[index].hw_value = channel; if (CHSPEC_IS40(c) && ht40_allowed) { /* assuming the order is HT20, HT40 Upper, * HT40 lower from chanspecs */ u32 ht40_flag = band_chan_arr[index].flags & IEEE80211_CHAN_NO_HT40; if (CHSPEC_SB_UPPER(c)) { if (ht40_flag == IEEE80211_CHAN_NO_HT40) band_chan_arr[index].flags &= ~IEEE80211_CHAN_NO_HT40; band_chan_arr[index].flags |= IEEE80211_CHAN_NO_HT40PLUS; } else { /* It should be one of * IEEE80211_CHAN_NO_HT40 or IEEE80211_CHAN_NO_HT40PLUS */ band_chan_arr[index].flags &= ~IEEE80211_CHAN_NO_HT40; if (ht40_flag == IEEE80211_CHAN_NO_HT40) band_chan_arr[index].flags |= IEEE80211_CHAN_NO_HT40MINUS; } } else { band_chan_arr[index].flags = IEEE80211_CHAN_NO_HT40; if (!dfs_radar_disabled) { if (band == IEEE80211_BAND_2GHZ) channel |= WL_CHANSPEC_BAND_2G; else channel |= WL_CHANSPEC_BAND_5G; channel |= WL_CHANSPEC_BW_20; channel = wl_chspec_host_to_driver(channel); err = wldev_iovar_getint(dev, "per_chan_info", &channel); if (!err) { if (channel & WL_CHAN_RADAR) { #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)) band_chan_arr[index].flags |= (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS); #else band_chan_arr[index].flags |= IEEE80211_CHAN_RADAR; #endif } if (channel & WL_CHAN_PASSIVE) #if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)) band_chan_arr[index].flags |= IEEE80211_CHAN_PASSIVE_SCAN; #else band_chan_arr[index].flags |= IEEE80211_CHAN_NO_IR; #endif } else if (err == BCME_UNSUPPORTED) { dfs_radar_disabled = TRUE; WL_ERR(("does not support per_chan_info\n")); } } } if (!update) (*n_cnt)++; } } __wl_band_2ghz.n_channels = n_2g; __wl_band_5ghz_a.n_channels = n_5g; kfree(pbuf); return err; } s32 wl_update_wiphybands(struct bcm_cfg80211 *cfg, bool notify) { struct wiphy *wiphy; struct net_device *dev; u32 bandlist[3]; u32 nband = 0; u32 i = 0; s32 err = 0; s32 index = 0; s32 nmode = 0; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) || defined(CUSTOMER_HW5) u32 j = 0; s32 vhtmode = 0; s32 txstreams = 0; s32 rxstreams = 0; s32 ldpc_cap = 0; s32 stbc_rx = 0; s32 stbc_tx = 0; s32 txbf_bfe_cap = 0; s32 txbf_bfr_cap = 0; #endif /* KERNEL >= 3.6 || CUSTOMER_HW5 */ bool rollback_lock = false; s32 bw_cap = 0; s32 cur_band = -1; struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS] = {NULL, }; if (cfg == NULL) { cfg = g_bcm_cfg; mutex_lock(&cfg->usr_sync); rollback_lock = true; } dev = bcmcfg_to_prmry_ndev(cfg); memset(bandlist, 0, sizeof(bandlist)); err = wldev_ioctl(dev, WLC_GET_BANDLIST, bandlist, sizeof(bandlist), false); if (unlikely(err)) { WL_ERR(("error read bandlist (%d)\n", err)); goto end_bands; } err = wldev_ioctl(dev, WLC_GET_BAND, &cur_band, sizeof(s32), false); if (unlikely(err)) { WL_ERR(("error (%d)\n", err)); goto end_bands; } err = wldev_iovar_getint(dev, "nmode", &nmode); if (unlikely(err)) { WL_ERR(("error reading nmode (%d)\n", err)); } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) || defined(CUSTOMER_HW5) err = wldev_iovar_getint(dev, "vhtmode", &vhtmode); if (unlikely(err)) { WL_ERR(("error reading vhtmode (%d)\n", err)); } if (vhtmode) { err = wldev_iovar_getint(dev, "txstreams", &txstreams); if (unlikely(err)) { WL_ERR(("error reading txstreams (%d)\n", err)); } err = wldev_iovar_getint(dev, "rxstreams", &rxstreams); if (unlikely(err)) { WL_ERR(("error reading rxstreams (%d)\n", err)); } err = wldev_iovar_getint(dev, "ldpc_cap", &ldpc_cap); if (unlikely(err)) { WL_ERR(("error reading ldpc_cap (%d)\n", err)); } err = wldev_iovar_getint(dev, "stbc_rx", &stbc_rx); if (unlikely(err)) { WL_ERR(("error reading stbc_rx (%d)\n", err)); } err = wldev_iovar_getint(dev, "stbc_tx", &stbc_tx); if (unlikely(err)) { WL_ERR(("error reading stbc_tx (%d)\n", err)); } err = wldev_iovar_getint(dev, "txbf_bfe_cap", &txbf_bfe_cap); if (unlikely(err)) { WL_ERR(("error reading txbf_bfe_cap (%d)\n", err)); } err = wldev_iovar_getint(dev, "txbf_bfr_cap", &txbf_bfr_cap); if (unlikely(err)) { WL_ERR(("error reading txbf_bfr_cap (%d)\n", err)); } } #endif /* KERNEL >= 3.6 || CUSTOMER_HW5 */ /* For nmode and vhtmode check bw cap */ if (nmode || #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) || defined(CUSTOMER_HW5) vhtmode || #endif /* KERNEL >= 3.6 || CUSTOMER_HW5 */ 0) { err = wldev_iovar_getint(dev, "mimo_bw_cap", &bw_cap); if (unlikely(err)) { WL_ERR(("error get mimo_bw_cap (%d)\n", err)); } } err = wl_construct_reginfo(cfg, bw_cap); if (err) { WL_ERR(("wl_construct_reginfo() fails err=%d\n", err)); if (err != BCME_UNSUPPORTED) goto end_bands; err = 0; } wiphy = bcmcfg_to_wiphy(cfg); nband = bandlist[0]; for (i = 1; i <= nband && i < ARRAYSIZE(bandlist); i++) { index = -1; if (bandlist[i] == WLC_BAND_5G && __wl_band_5ghz_a.n_channels > 0) { bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; index = IEEE80211_BAND_5GHZ; if (nmode && (bw_cap == WLC_N_BW_40ALL || bw_cap == WLC_N_BW_20IN2G_40IN5G)) bands[index]->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) || defined(CUSTOMER_HW5) /* VHT capabilities. */ if (vhtmode) { /* Supported */ bands[index]->vht_cap.vht_supported = TRUE; for (j = 1; j <= VHT_CAP_MCS_MAP_NSS_MAX; j++) { /* TX stream rates. */ if (j <= txstreams) { VHT_MCS_MAP_SET_MCS_PER_SS(j, VHT_CAP_MCS_MAP_0_9, bands[index]->vht_cap.vht_mcs.tx_mcs_map); } else { VHT_MCS_MAP_SET_MCS_PER_SS(j, VHT_CAP_MCS_MAP_NONE, bands[index]->vht_cap.vht_mcs.tx_mcs_map); } /* RX stream rates. */ if (j <= rxstreams) { VHT_MCS_MAP_SET_MCS_PER_SS(j, VHT_CAP_MCS_MAP_0_9, bands[index]->vht_cap.vht_mcs.rx_mcs_map); } else { VHT_MCS_MAP_SET_MCS_PER_SS(j, VHT_CAP_MCS_MAP_NONE, bands[index]->vht_cap.vht_mcs.rx_mcs_map); } } /* Capabilities */ /* 80 MHz is mandatory */ bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80; if (WL_BW_CAP_160MHZ(bw_cap)) { bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ; bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160; } bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454; if (ldpc_cap) bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_RXLDPC; if (stbc_tx) bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_TXSTBC; if (stbc_rx) bands[index]->vht_cap.cap |= (stbc_rx << VHT_CAP_INFO_RX_STBC_SHIFT); if (txbf_bfe_cap) bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE; if (txbf_bfr_cap) { bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE; } if (txbf_bfe_cap || txbf_bfr_cap) { bands[index]->vht_cap.cap |= (2 << VHT_CAP_INFO_NUM_BMFMR_ANT_SHIFT); bands[index]->vht_cap.cap |= ((txstreams - 1) << VHT_CAP_INFO_NUM_SOUNDING_DIM_SHIFT); bands[index]->vht_cap.cap |= IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB; } /* AMPDU length limit, support max 1MB (2 ^ (13 + 7)) */ bands[index]->vht_cap.cap |= (7 << VHT_CAP_INFO_AMPDU_MAXLEN_EXP_SHIFT); WL_INFORM(("%s band[%d] vht_enab=%d vht_cap=%08x " "vht_rx_mcs_map=%04x vht_tx_mcs_map=%04x\n", __FUNCTION__, index, bands[index]->vht_cap.vht_supported, bands[index]->vht_cap.cap, bands[index]->vht_cap.vht_mcs.rx_mcs_map, bands[index]->vht_cap.vht_mcs.tx_mcs_map)); } #endif /* KERNEL >= 3.6 || CUSTOMER_HW5 */ } else if (bandlist[i] == WLC_BAND_2G && __wl_band_2ghz.n_channels > 0) { bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; index = IEEE80211_BAND_2GHZ; if (bw_cap == WLC_N_BW_40ALL) bands[index]->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; } if ((index >= 0) && nmode) { bands[index]->ht_cap.cap |= (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_DSSSCCK40); bands[index]->ht_cap.ht_supported = TRUE; bands[index]->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; bands[index]->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; /* An HT shall support all EQM rates for one spatial stream */ bands[index]->ht_cap.mcs.rx_mask[0] = 0xff; } } wiphy->bands[IEEE80211_BAND_2GHZ] = bands[IEEE80211_BAND_2GHZ]; wiphy->bands[IEEE80211_BAND_5GHZ] = bands[IEEE80211_BAND_5GHZ]; /* check if any bands populated otherwise makes 2Ghz as default */ if (wiphy->bands[IEEE80211_BAND_2GHZ] == NULL && wiphy->bands[IEEE80211_BAND_5GHZ] == NULL) { /* Setup 2Ghz band as default */ wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; } if (notify) wiphy_apply_custom_regulatory(wiphy, &brcm_regdom); end_bands: if (rollback_lock) mutex_unlock(&cfg->usr_sync); return err; } static s32 __wl_cfg80211_up(struct bcm_cfg80211 *cfg) { s32 err = 0; struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); struct wireless_dev *wdev = ndev->ieee80211_ptr; WL_DBG(("In\n")); err = dhd_config_dongle(cfg); if (unlikely(err)) return err; err = wl_config_ifmode(cfg, ndev, wdev->iftype); if (unlikely(err && err != -EINPROGRESS)) { WL_ERR(("wl_config_ifmode failed\n")); if (err == -1) { WL_ERR(("return error %d\n", err)); return err; } } err = wl_update_wiphybands(cfg, true); if (unlikely(err)) { WL_ERR(("wl_update_wiphybands failed\n")); if (err == -1) { WL_ERR(("return error %d\n", err)); return err; } } err = dhd_monitor_init(cfg->pub); INIT_DELAYED_WORK(&cfg->pm_enable_work, wl_cfg80211_work_handler); wl_set_drv_status(cfg, READY, ndev); return err; } static s32 __wl_cfg80211_down(struct bcm_cfg80211 *cfg) { s32 err = 0; unsigned long flags; struct net_info *iter, *next; struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); #if defined(WL_CFG80211) && defined(WL_ENABLE_P2P_IF) struct net_device *p2p_net = cfg->p2p_net; #endif #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 7, 0)) struct cfg80211_scan_info info = {0}; #endif u32 bssidx = 0; #ifdef PROP_TXSTATUS_VSDB #if defined(BCMSDIO) dhd_pub_t *dhd; if (bcmdhd_prop_txstatus_vsdb) { dhd = (dhd_pub_t *)(cfg->pub); } #endif #endif /* PROP_TXSTATUS_VSDB */ WL_DBG(("In\n")); /* Delete pm_enable_work */ wl_add_remove_pm_enable_work(cfg, FALSE, WL_HANDLER_DEL); #ifdef WL_NAN wl_cfgnan_stop_handler(ndev, g_bcm_cfg, NULL, NULL); #endif /* WL_NAN */ if (cfg->p2p_supported) { wl_clr_p2p_status(cfg, GO_NEG_PHASE); #ifdef PROP_TXSTATUS_VSDB if (bcmdhd_prop_txstatus_vsdb) { #if defined(BCMSDIO) if (cfg->p2p->vif_created) { bool enabled = false; dhd_wlfc_get_enable(dhd, &enabled); if (enabled && cfg->wlfc_on && dhd->op_mode != DHD_FLAG_HOSTAP_MODE && dhd->op_mode != DHD_FLAG_IBSS_MODE) { dhd_wlfc_deinit(dhd); cfg->wlfc_on = false; } } #endif } #endif /* PROP_TXSTATUS_VSDB */ } /* If primary BSS is operational (for e.g SoftAP), bring it down */ if (!(wl_cfgp2p_find_idx(cfg, ndev, &bssidx)) && wl_cfgp2p_bss_isup(ndev, bssidx)) { if (wl_cfgp2p_bss(cfg, ndev, bssidx, 0) < 0) WL_ERR(("BSS down failed \n")); } /* Check if cfg80211 interface is already down */ if (!wl_get_drv_status(cfg, READY, ndev)) return err; /* it is even not ready */ for_each_ndev(cfg, iter, next) wl_set_drv_status(cfg, SCAN_ABORTING, iter->ndev); spin_lock_irqsave(&cfg->cfgdrv_lock, flags); if (cfg->scan_request) { #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA TEGRA_SCAN_DONE(cfg->scan_request, true) #endif #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 7, 0)) info.aborted = true; cfg80211_scan_done(cfg->scan_request, &info); #else cfg80211_scan_done(cfg->scan_request, true); #endif #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA skip_cfg80211_scan_done: #endif cfg->scan_request = NULL; } spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags); for_each_ndev(cfg, iter, next) { wl_clr_drv_status(cfg, READY, iter->ndev); wl_clr_drv_status(cfg, SCANNING, iter->ndev); wl_clr_drv_status(cfg, SCAN_ABORTING, iter->ndev); wl_clr_drv_status(cfg, CONNECTING, iter->ndev); wl_clr_drv_status(cfg, CONNECTED, iter->ndev); wl_clr_drv_status(cfg, DISCONNECTING, iter->ndev); wl_clr_drv_status(cfg, AP_CREATED, iter->ndev); wl_clr_drv_status(cfg, AP_CREATING, iter->ndev); } bcmcfg_to_prmry_ndev(cfg)->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION; #if defined(WL_CFG80211) && defined(WL_ENABLE_P2P_IF) if (p2p_net) dev_close(p2p_net); #endif wl_flush_eq(cfg); wl_link_down(cfg); if (cfg->p2p_supported) wl_cfgp2p_down(cfg); if (cfg->ap_info) { kfree(cfg->ap_info->wpa_ie); kfree(cfg->ap_info->rsn_ie); kfree(cfg->ap_info->wps_ie); kfree(cfg->ap_info); cfg->ap_info = NULL; } dhd_monitor_uninit(); #ifdef WLAIBSS_MCHAN bcm_cfg80211_del_ibss_if(cfg->wdev->wiphy, cfg->ibss_cfgdev); #endif /* WLAIBSS_MCHAN */ #if defined(DUAL_STA) || defined(DUAL_STA_STATIC_IF) /* Clean up if not removed already */ if (cfg->bss_cfgdev) wl_cfg80211_del_iface(cfg->wdev->wiphy, cfg->bss_cfgdev); #endif /* defined (DUAL_STA) || defined (DUAL_STA_STATIC_IF) */ #ifdef WL11U if (bcmdhd_wl11u) { /* Clear interworking element. */ if (cfg->wl11u) { cfg->wl11u = FALSE; cfg->iw_ie_len = 0; memset(cfg->iw_ie, 0, IW_IES_MAX_BUF_LEN); } } #endif /* WL11U */ DNGL_FUNC(dhd_cfg80211_down, (cfg)); return err; } s32 wl_cfg80211_up(void *para) { struct bcm_cfg80211 *cfg; s32 err = 0; int val = 1; dhd_pub_t *dhd; (void)para; WL_DBG(("In\n")); cfg = g_bcm_cfg; if ((err = wldev_ioctl(bcmcfg_to_prmry_ndev(cfg), WLC_GET_VERSION, &val, sizeof(int), false) < 0)) { WL_ERR(("WLC_GET_VERSION failed, err=%d\n", err)); return err; } val = dtoh32(val); if (val != WLC_IOCTL_VERSION && val != 1) { WL_ERR(("Version mismatch, please upgrade. Got %d, expected %d or 1\n", val, WLC_IOCTL_VERSION)); return BCME_VERSION; } ioctl_version = val; WL_TRACE(("WLC_GET_VERSION=%d\n", ioctl_version)); mutex_lock(&cfg->usr_sync); dhd = (dhd_pub_t *)(cfg->pub); if (!(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) { err = wl_cfg80211_attach_post(bcmcfg_to_prmry_ndev(cfg)); if (unlikely(err)) { mutex_unlock(&cfg->usr_sync); return err; } } err = __wl_cfg80211_up(cfg); if (unlikely(err)) WL_ERR(("__wl_cfg80211_up failed\n")); mutex_unlock(&cfg->usr_sync); #ifdef WLAIBSS_MCHAN bcm_cfg80211_add_ibss_if(cfg->wdev->wiphy, IBSS_IF_NAME); #endif /* WLAIBSS_MCHAN */ #ifdef DUAL_STA_STATIC_IF #ifdef DUAL_STA #error "Both DUAL_STA and DUAL_STA_STATIC_IF can't be enabled together" #endif /* Static Interface support is currently supported only for STA only builds (without P2P) */ wl_cfg80211_create_iface(cfg->wdev->wiphy, NL80211_IFTYPE_STATION, NULL, "wlan%d"); #endif /* DUAL_STA_STATIC_IF */ return err; } /* Private Event to Supplicant with indication that chip hangs */ int wl_cfg80211_hang(struct net_device *dev, u16 reason) { struct bcm_cfg80211 *cfg; u32 driver_status = 0; #if defined(SOFTAP_SEND_HANGEVT) /* specifc mac address used for hang event */ uint8 hang_mac[ETHER_ADDR_LEN] = {0x11, 0x11, 0x11, 0x11, 0x11, 0x11}; dhd_pub_t *dhd; #endif /* SOFTAP_SEND_HANGEVT */ if (!g_bcm_cfg) { return BCME_ERROR; } cfg = g_bcm_cfg; WL_ERR(("In : chip crash eventing\n")); wl_add_remove_pm_enable_work(cfg, FALSE, WL_HANDLER_DEL); #if defined(SOFTAP_SEND_HANGEVT) dhd = (dhd_pub_t *)(cfg->pub); if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) { cfg80211_del_sta(dev, hang_mac, GFP_ATOMIC); } else #endif /* SOFTAP_SEND_HANGEVT */ { CFG80211_DISCONNECTED(dev, reason, NULL, 0, false, GFP_KERNEL); } wl_cfgvendor_send_async_event(bcmcfg_to_wiphy(cfg), dev, BRCM_VENDOR_EVENT_DRIVER_HANG, &driver_status, sizeof(u32)); if (cfg != NULL) { wl_link_down(cfg); } return 0; } s32 wl_cfg80211_down(void *para) { struct bcm_cfg80211 *cfg; s32 err = 0; (void)para; WL_DBG(("In\n")); cfg = g_bcm_cfg; mutex_lock(&cfg->usr_sync); err = __wl_cfg80211_down(cfg); mutex_unlock(&cfg->usr_sync); return err; } static void *wl_read_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 item) { unsigned long flags; void *rptr = NULL; struct wl_profile *profile = wl_get_profile_by_netdev(cfg, ndev); if (!profile) return NULL; spin_lock_irqsave(&cfg->cfgdrv_lock, flags); switch (item) { case WL_PROF_SEC: rptr = &profile->sec; break; case WL_PROF_ACT: rptr = &profile->active; break; case WL_PROF_BSSID: rptr = profile->bssid; break; case WL_PROF_SSID: rptr = &profile->ssid; break; case WL_PROF_CHAN: rptr = &profile->channel; break; } spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags); if (!rptr) WL_ERR(("invalid item (%d)\n", item)); return rptr; } static s32 wl_update_prof(struct bcm_cfg80211 *cfg, struct net_device *ndev, const wl_event_msg_t *e, const void *data, s32 item) { s32 err = 0; const struct wlc_ssid *ssid; unsigned long flags; struct wl_profile *profile = wl_get_profile_by_netdev(cfg, ndev); if (!profile) return WL_INVALID; spin_lock_irqsave(&cfg->cfgdrv_lock, flags); switch (item) { case WL_PROF_SSID: ssid = (const wlc_ssid_t *) data; memset(profile->ssid.SSID, 0, sizeof(profile->ssid.SSID)); profile->ssid.SSID_len = MIN(ssid->SSID_len, (uint32)DOT11_MAX_SSID_LEN); memcpy(profile->ssid.SSID, ssid->SSID, profile->ssid.SSID_len); break; case WL_PROF_BSSID: if (data) memcpy(profile->bssid, data, ETHER_ADDR_LEN); else memset(profile->bssid, 0, ETHER_ADDR_LEN); break; case WL_PROF_SEC: memcpy(&profile->sec, data, sizeof(profile->sec)); break; case WL_PROF_ACT: profile->active = *(bool *)data; break; case WL_PROF_BEACONINT: profile->beacon_interval = *(u16 *)data; break; case WL_PROF_DTIMPERIOD: profile->dtim_period = *(u8 *)data; break; case WL_PROF_CHAN: profile->channel = *(u32*)data; break; default: err = -EOPNOTSUPP; break; } spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags); if (err == -EOPNOTSUPP) WL_ERR(("unsupported item (%d)\n", item)); return err; } void wl_cfg80211_dbg_level(u32 level) { /* * prohibit to change debug level * by insmod parameter. * eventually debug level will be configured * in compile time by using CONFIG_XXX */ /* wl_dbg_level = level; */ } static bool wl_is_ibssmode(struct bcm_cfg80211 *cfg, struct net_device *ndev) { return wl_get_mode_by_netdev(cfg, ndev) == WL_MODE_IBSS; } static __used bool wl_is_ibssstarter(struct bcm_cfg80211 *cfg) { return cfg->ibss_starter; } static void wl_rst_ie(struct bcm_cfg80211 *cfg) { struct wl_ie *ie = wl_to_ie(cfg); ie->offset = 0; } static __used s32 wl_add_ie(struct bcm_cfg80211 *cfg, u8 t, u8 l, u8 *v) { struct wl_ie *ie = wl_to_ie(cfg); s32 err = 0; if (unlikely(ie->offset + l + 2 > WL_TLV_INFO_MAX)) { WL_ERR(("ei crosses buffer boundary\n")); return -ENOSPC; } ie->buf[ie->offset] = t; ie->buf[ie->offset + 1] = l; memcpy(&ie->buf[ie->offset + 2], v, l); ie->offset += l + 2; return err; } static void wl_update_hidden_ap_ie(struct wl_bss_info *bi, u8 *ie_stream, u32 *ie_size, bool roam) { u8 *ssidie; int32 ssid_len = MIN((int)bi->SSID_len, DOT11_MAX_SSID_LEN); int32 remaining_ie_buf_len, available_buffer_len; ssidie = (u8 *)cfg80211_find_ie(WLAN_EID_SSID, ie_stream, *ie_size); /* ERROR out if * 1. No ssid IE is FOUND or * 2. New ssid length is > what was allocated for existing ssid (as * we do not want to overwrite the rest of the IEs) or * 3. If in case of erroneous buffer input where ssid length doesnt match the space * allocated to it. */ if (!ssidie) { return; } available_buffer_len = ((int)(*ie_size)) - (ssidie + 2 - ie_stream); remaining_ie_buf_len = available_buffer_len - (int)ssidie[1]; if ((ssid_len > ssidie[1]) || (ssidie[1] > available_buffer_len)) { return; } if (ssidie[1] != ssid_len) { if (ssidie[1]) { WL_ERR(("%s: Wrong SSID len: %d != %d\n", __FUNCTION__, ssidie[1], bi->SSID_len)); } if (roam) { WL_ERR(("Changing the SSID Info.\n")); memmove(ssidie + ssid_len + 2, (ssidie + 2) + ssidie[1], remaining_ie_buf_len); memcpy(ssidie + 2, bi->SSID, ssid_len); *ie_size = *ie_size + ssid_len - ssidie[1]; ssidie[1] = ssid_len; } return; } if (*(ssidie + 2) == '\0') memcpy(ssidie + 2, bi->SSID, ssid_len); return; } static s32 wl_mrg_ie(struct bcm_cfg80211 *cfg, u8 *ie_stream, u16 ie_size) { struct wl_ie *ie = wl_to_ie(cfg); s32 err = 0; if (unlikely(ie->offset + ie_size > WL_TLV_INFO_MAX)) { WL_ERR(("ei_stream crosses buffer boundary\n")); return -ENOSPC; } memcpy(&ie->buf[ie->offset], ie_stream, ie_size); ie->offset += ie_size; return err; } static s32 wl_cp_ie(struct bcm_cfg80211 *cfg, u8 *dst, u16 dst_size) { struct wl_ie *ie = wl_to_ie(cfg); s32 err = 0; if (unlikely(ie->offset > dst_size)) { WL_ERR(("dst_size is not enough\n")); return -ENOSPC; } memcpy(dst, &ie->buf[0], ie->offset); return err; } static u32 wl_get_ielen(struct bcm_cfg80211 *cfg) { struct wl_ie *ie = wl_to_ie(cfg); return ie->offset; } static void wl_link_up(struct bcm_cfg80211 *cfg) { cfg->link_up = true; } static void wl_link_down(struct bcm_cfg80211 *cfg) { struct wl_connect_info *conn_info = wl_to_conn(cfg); WL_DBG(("In\n")); cfg->link_up = false; conn_info->req_ie_len = 0; conn_info->resp_ie_len = 0; } static unsigned long wl_lock_eq(struct bcm_cfg80211 *cfg) { unsigned long flags; spin_lock_irqsave(&cfg->eq_lock, flags); return flags; } static void wl_unlock_eq(struct bcm_cfg80211 *cfg, unsigned long flags) { spin_unlock_irqrestore(&cfg->eq_lock, flags); } static void wl_init_eq_lock(struct bcm_cfg80211 *cfg) { spin_lock_init(&cfg->eq_lock); } static void wl_delay(u32 ms) { if (in_atomic() || (ms < jiffies_to_msecs(1))) { OSL_DELAY(ms*1000); } else { OSL_SLEEP(ms); } } s32 wl_cfg80211_get_p2p_dev_addr(struct net_device *net, struct ether_addr *p2pdev_addr) { struct bcm_cfg80211 *cfg = g_bcm_cfg; struct ether_addr p2pif_addr; struct ether_addr primary_mac; if (!cfg->p2p) return -1; if (!p2p_is_on(cfg)) { get_primary_mac(cfg, &primary_mac); wl_cfgp2p_generate_bss_mac(&primary_mac, p2pdev_addr, &p2pif_addr); } else { memcpy(p2pdev_addr->octet, cfg->p2p->dev_addr.octet, ETHER_ADDR_LEN); } return 0; } s32 wl_cfg80211_set_p2p_noa(struct net_device *net, char* buf, int len) { struct bcm_cfg80211 *cfg; cfg = g_bcm_cfg; return wl_cfgp2p_set_p2p_noa(cfg, net, buf, len); } s32 wl_cfg80211_get_p2p_noa(struct net_device *net, char* buf, int len) { struct bcm_cfg80211 *cfg; cfg = g_bcm_cfg; return wl_cfgp2p_get_p2p_noa(cfg, net, buf, len); } s32 wl_cfg80211_set_p2p_ps(struct net_device *net, char* buf, int len) { struct bcm_cfg80211 *cfg; cfg = g_bcm_cfg; return wl_cfgp2p_set_p2p_ps(cfg, net, buf, len); } #ifdef P2PLISTEN_AP_SAMECHN s32 wl_cfg80211_set_p2p_resp_ap_chn(struct net_device *net, s32 enable) { s32 ret = wldev_iovar_setint(net, "p2p_resp_ap_chn", enable); if ((ret == 0) && enable) { /* disable PM for p2p responding on infra AP channel */ s32 pm = PM_OFF; ret = wldev_ioctl(net, WLC_SET_PM, &pm, sizeof(pm), true); } return ret; } #endif /* P2PLISTEN_AP_SAMECHN */ s32 wl_cfg80211_channel_to_freq(u32 channel) { int freq = 0; #if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 38) freq = ieee80211_channel_to_frequency(channel); #else { u16 band = 0; if (channel <= CH_MAX_2G_CHANNEL) band = IEEE80211_BAND_2GHZ; else band = IEEE80211_BAND_5GHZ; freq = ieee80211_channel_to_frequency(channel, band); } #endif return freq; } #ifdef WLTDLS static s32 wl_tdls_event_handler(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { struct net_device *ndev = NULL; u32 reason = ntoh32(e->reason); s8 *msg = NULL; ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); switch (reason) { case WLC_E_TDLS_PEER_DISCOVERED : msg = " TDLS PEER DISCOVERD "; break; case WLC_E_TDLS_PEER_CONNECTED : #ifdef PCIE_FULL_DONGLE dhd_tdls_update_peer_info(ndev, TRUE, (uint8 *)&e->addr.octet[0]); #endif /* PCIE_FULL_DONGLE */ if (cfg->tdls_mgmt_frame) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) cfg80211_rx_mgmt(cfgdev, cfg->tdls_mgmt_freq, 0, cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len, 0); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 0)) cfg80211_rx_mgmt(cfgdev, cfg->tdls_mgmt_freq, 0, cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len, 0, GFP_ATOMIC); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || \ defined(WL_COMPAT_WIRELESS) cfg80211_rx_mgmt(cfgdev, cfg->tdls_mgmt_freq, 0, cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len, GFP_ATOMIC); #else cfg80211_rx_mgmt(cfgdev, cfg->tdls_mgmt_freq, cfg->tdls_mgmt_frame, cfg->tdls_mgmt_frame_len, GFP_ATOMIC); #endif /* LINUX_VERSION >= VERSION(3, 12, 0) */ } msg = " TDLS PEER CONNECTED "; break; case WLC_E_TDLS_PEER_DISCONNECTED : #ifdef PCIE_FULL_DONGLE dhd_tdls_update_peer_info(ndev, FALSE, (uint8 *)&e->addr.octet[0]); #endif /* PCIE_FULL_DONGLE */ if (cfg->tdls_mgmt_frame) { kfree(cfg->tdls_mgmt_frame); cfg->tdls_mgmt_frame = NULL; cfg->tdls_mgmt_freq = 0; } msg = "TDLS PEER DISCONNECTED "; break; } if (msg) { WL_ERR(("%s: " MACDBG " on %s ndev\n", msg, MAC2STRDBG((u8*)(&e->addr)), (bcmcfg_to_prmry_ndev(cfg) == ndev) ? "primary" : "secondary")); } return 0; } #endif /* WLTDLS */ #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) static s32 #if (defined(CONFIG_ARCH_MSM) && defined(TDLS_MGMT_VERSION2)) || (LINUX_VERSION_CODE < \ KERNEL_VERSION(3, 16, 0) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)) wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, u32 peer_capability, const u8 *data, size_t len) #elif ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) && \ (LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0))) wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, u32 peer_capability, const u8 *data, size_t len) #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)) wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, u32 peer_capability, bool initiator, const u8 *data, size_t len) #else wl_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, const u8 *data, size_t len) #endif /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */ { s32 ret = 0; #ifdef WLTDLS struct bcm_cfg80211 *cfg; tdls_wfd_ie_iovar_t info; memset(&info, 0, sizeof(tdls_wfd_ie_iovar_t)); cfg = g_bcm_cfg; #if defined(CONFIG_ARCH_MSM) && defined(TDLS_MGMT_VERSION2) /* Some customer platform back ported this feature from kernel 3.15 to kernel 3.10 * and that cuases build error */ BCM_REFERENCE(peer_capability); #endif /* CONFIG_ARCH_MSM && TDLS_MGMT_VERSION2 */ switch (action_code) { /* We need to set TDLS Wifi Display IE to firmware * using tdls_wfd_ie iovar */ case WLAN_TDLS_SET_PROBE_WFD_IE: info.mode = TDLS_WFD_PROBE_IE_TX; memcpy(&info.data, data, len); info.length = len; break; case WLAN_TDLS_SET_SETUP_WFD_IE: info.mode = TDLS_WFD_IE_TX; memcpy(&info.data, data, len); info.length = len; break; default: WL_ERR(("Unsupported action code : %d\n", action_code)); goto out; } ret = wldev_iovar_setbuf(dev, "tdls_wfd_ie", &info, sizeof(info), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (ret) { WL_ERR(("tdls_wfd_ie error %d\n", ret)); } out: #endif /* WLTDLS */ return ret; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0)) static s32 wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, enum nl80211_tdls_operation oper) #else static s32 wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, u8 *peer, enum nl80211_tdls_operation oper) #endif { s32 ret = 0; #ifdef WLTDLS struct bcm_cfg80211 *cfg; tdls_iovar_t info; cfg = g_bcm_cfg; if (!cfg) return -EINVAL; memset(&info, 0, sizeof(tdls_iovar_t)); if (peer) memcpy(&info.ea, peer, ETHER_ADDR_LEN); switch (oper) { case NL80211_TDLS_DISCOVERY_REQ: /* turn on TDLS */ ret = dhd_tdls_enable(dev, true, false, NULL); if (ret < 0) return ret; /* If the discovery request is broadcast then we need to set * info.mode to Tunneled Probe Request */ if (memcmp(peer, (const uint8 *)BSSID_BROADCAST, ETHER_ADDR_LEN) == 0) { info.mode = TDLS_MANUAL_EP_WFD_TPQ; } else { info.mode = TDLS_MANUAL_EP_DISCOVERY; } break; case NL80211_TDLS_SETUP: /* auto mode on */ ret = dhd_tdls_enable(dev, true, true, (struct ether_addr *)peer); if (ret < 0) return ret; break; case NL80211_TDLS_TEARDOWN: info.mode = TDLS_MANUAL_EP_DELETE; /* auto mode off */ ret = dhd_tdls_enable(dev, true, false, (struct ether_addr *)peer); if (ret < 0) return ret; break; default: WL_ERR(("Unsupported operation : %d\n", oper)); goto out; } if (info.mode) { ret = wldev_iovar_setbuf(dev, "tdls_endpoint", &info, sizeof(info), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); if (ret) { WL_ERR(("tdls_endpoint error %d\n", ret)); } } out: #endif /* WLTDLS */ return ret; } #endif s32 wl_cfg80211_set_wps_p2p_ie(struct net_device *net, char *buf, int len, enum wl_management_type type) { struct bcm_cfg80211 *cfg; struct net_device *ndev = NULL; struct ether_addr primary_mac; s32 ret = 0; s32 bssidx = 0; s32 pktflag = 0; cfg = g_bcm_cfg; if (wl_get_drv_status(cfg, AP_CREATING, net)) { /* Vendor IEs should be set to FW * after SoftAP interface is brought up */ goto exit; } else if (wl_get_drv_status(cfg, AP_CREATED, net)) { ndev = net; bssidx = 0; } else if (cfg->p2p) { net = ndev_to_wlc_ndev(net, cfg); if (!cfg->p2p->on) { get_primary_mac(cfg, &primary_mac); wl_cfgp2p_generate_bss_mac(&primary_mac, &cfg->p2p->dev_addr, &cfg->p2p->int_addr); /* In case of p2p_listen command, supplicant send remain_on_channel * without turning on P2P */ p2p_on(cfg) = true; ret = wl_cfgp2p_enable_discovery(cfg, net, NULL, 0); if (unlikely(ret)) { goto exit; } } if (net != bcmcfg_to_prmry_ndev(cfg)) { if (wl_get_mode_by_netdev(cfg, net) == WL_MODE_AP) { ndev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION); bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_CONNECTION); } } else { ndev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_PRIMARY); bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE); } } if (ndev != NULL) { switch (type) { case WL_BEACON: pktflag = VNDR_IE_BEACON_FLAG; break; case WL_PROBE_RESP: pktflag = VNDR_IE_PRBRSP_FLAG; break; case WL_ASSOC_RESP: pktflag = VNDR_IE_ASSOCRSP_FLAG; break; } if (pktflag) ret = wl_cfgp2p_set_management_ie(cfg, ndev, bssidx, pktflag, buf, len); } exit: return ret; } #ifdef WL_SUPPORT_AUTO_CHANNEL static s32 wl_cfg80211_set_auto_channel_scan_state(struct net_device *ndev) { u32 val = 0; s32 ret = BCME_ERROR; struct bcm_cfg80211 *cfg = g_bcm_cfg; /* Disable mpc, to avoid automatic interface down. */ val = 0; ret = wldev_iovar_setbuf_bsscfg(ndev, "mpc", (void *)&val, sizeof(val), cfg->ioctl_buf, WLC_IOCTL_SMLEN, 0, &cfg->ioctl_buf_sync); if (ret < 0) { WL_ERR(("set 'mpc' failed, error = %d\n", ret)); goto done; } /* Set interface up, explicitly. */ val = 1; ret = wldev_ioctl(ndev, WLC_UP, (void *)&val, sizeof(val), true); if (ret < 0) { WL_ERR(("set interface up failed, error = %d\n", ret)); goto done; } /* Stop all scan explicitly, till auto channel selection complete. */ wl_set_drv_status(cfg, SCANNING, ndev); if (cfg->escan_info.ndev == NULL) { ret = BCME_OK; goto done; } ret = wl_notify_escan_complete(cfg, ndev, true, true); if (ret < 0) { WL_ERR(("set scan abort failed, error = %d\n", ret)); goto done; } done: return ret; } static bool wl_cfg80211_valid_chanspec_p2p(chanspec_t chanspec) { bool valid = false; char chanbuf[CHANSPEC_STR_LEN]; /* channel 1 to 14 */ if ((chanspec >= 0x2b01) && (chanspec <= 0x2b0e)) { valid = true; } /* channel 36 to 48 */ else if ((chanspec >= 0x1b24) && (chanspec <= 0x1b30)) { valid = true; } /* channel 149 to 161 */ else if ((chanspec >= 0x1b95) && (chanspec <= 0x1ba1)) { valid = true; } else { valid = false; WL_INFORM(("invalid P2P chanspec, chanspec = %s\n", wf_chspec_ntoa_ex(chanspec, chanbuf))); } return valid; } static s32 wl_cfg80211_get_chanspecs_2g(struct net_device *ndev, void *buf, s32 buflen) { s32 ret = BCME_ERROR; struct bcm_cfg80211 *cfg = NULL; wl_uint32_list_t *list = NULL; chanspec_t chanspec = 0; memset(buf, 0, buflen); cfg = g_bcm_cfg; list = (wl_uint32_list_t *)buf; list->count = htod32(WL_NUMCHANSPECS); /* Restrict channels to 2.4GHz, 20MHz BW, no SB. */ chanspec |= (WL_CHANSPEC_BAND_2G | WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE); chanspec = wl_chspec_host_to_driver(chanspec); ret = wldev_iovar_getbuf_bsscfg(ndev, "chanspecs", (void *)&chanspec, sizeof(chanspec), buf, buflen, 0, &cfg->ioctl_buf_sync); if (ret < 0) { WL_ERR(("get 'chanspecs' failed, error = %d\n", ret)); } return ret; } static s32 wl_cfg80211_get_chanspecs_5g(struct net_device *ndev, void *buf, s32 buflen) { u32 channel = 0; s32 ret = BCME_ERROR; s32 i = 0; s32 j = 0; struct bcm_cfg80211 *cfg = NULL; wl_uint32_list_t *list = NULL; chanspec_t chanspec = 0; memset(buf, 0, buflen); cfg = g_bcm_cfg; list = (wl_uint32_list_t *)buf; list->count = htod32(WL_NUMCHANSPECS); /* Restrict channels to 5GHz, 20MHz BW, no SB. */ chanspec |= (WL_CHANSPEC_BAND_5G | WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE); chanspec = wl_chspec_host_to_driver(chanspec); ret = wldev_iovar_getbuf_bsscfg(ndev, "chanspecs", (void *)&chanspec, sizeof(chanspec), buf, buflen, 0, &cfg->ioctl_buf_sync); if (ret < 0) { WL_ERR(("get 'chanspecs' failed, error = %d\n", ret)); goto done; } /* Skip DFS and inavlid P2P channel. */ for (i = 0, j = 0; i < dtoh32(list->count); i++) { chanspec = (chanspec_t) dtoh32(list->element[i]); channel = CHSPEC_CHANNEL(chanspec); ret = wldev_iovar_getint(ndev, "per_chan_info", &channel); if (ret < 0) { WL_ERR(("get 'per_chan_info' failed, error = %d\n", ret)); goto done; } if (CHANNEL_IS_RADAR(channel) || !(wl_cfg80211_valid_chanspec_p2p(chanspec))) { continue; } else { list->element[j] = list->element[i]; } j++; } list->count = j; done: return ret; } static s32 wl_cfg80211_get_best_channel(struct net_device *ndev, int *channel) { s32 ret = BCME_ERROR; int chosen = 0; int retry = 0; /* Start auto channel selection scan. */ ret = wldev_ioctl(ndev, WLC_START_CHANNEL_SEL, NULL, 0, true); if (ret < 0) { WL_ERR(("can't start auto channel scan, error = %d\n", ret)); *channel = 0; goto done; } /* Wait for auto channel selection, worst case possible delay is 5250ms. */ retry = CHAN_SEL_RETRY_COUNT; while (retry--) { OSL_SLEEP(CHAN_SEL_IOCTL_DELAY); ret = wldev_ioctl(ndev, WLC_GET_CHANNEL_SEL, &chosen, sizeof(chosen), false); if ((ret == 0) && (dtoh32(chosen) != 0)) { *channel = (u16)(chosen & 0x00FF); WL_INFORM(("selected channel = %d\n", *channel)); break; } WL_INFORM(("attempt = %d, ret = %d, chosen = %d\n", (CHAN_SEL_RETRY_COUNT - retry), ret, dtoh32(chosen))); } if (retry <= 0) { WL_ERR(("failure, auto channel selection timed out\n")); *channel = 0; ret = BCME_ERROR; } done: return ret; } static s32 wl_cfg80211_restore_auto_channel_scan_state(struct net_device *ndev) { u32 val = 0; s32 ret = BCME_ERROR; struct bcm_cfg80211 *cfg = g_bcm_cfg; /* Clear scan stop driver status. */ wl_clr_drv_status(cfg, SCANNING, ndev); /* Enable mpc back to 1, irrespective of initial state. */ val = 1; ret = wldev_iovar_setbuf_bsscfg(ndev, "mpc", (void *)&val, sizeof(val), cfg->ioctl_buf, WLC_IOCTL_SMLEN, 0, &cfg->ioctl_buf_sync); if (ret < 0) { WL_ERR(("set 'mpc' failed, error = %d\n", ret)); } return ret; } s32 wl_cfg80211_get_best_channels(struct net_device *dev, char* cmd, int total_len) { int channel = 0; s32 ret = BCME_ERROR; u8 *buf = NULL; char *pos = cmd; struct bcm_cfg80211 *cfg = NULL; struct net_device *ndev = NULL; memset(cmd, 0, total_len); buf = kmalloc(CHANSPEC_BUF_SIZE, GFP_KERNEL); if (buf == NULL) { WL_ERR(("failed to allocate chanspec buffer\n")); return -ENOMEM; } /* * Always use primary interface, irrespective of interface on which * command came. */ cfg = g_bcm_cfg; ndev = bcmcfg_to_prmry_ndev(cfg); /* * Make sure that FW and driver are in right state to do auto channel * selection scan. */ ret = wl_cfg80211_set_auto_channel_scan_state(ndev); if (ret < 0) { WL_ERR(("can't set auto channel scan state, error = %d\n", ret)); goto done; } /* Best channel selection in 2.4GHz band. */ ret = wl_cfg80211_get_chanspecs_2g(ndev, (void *)buf, CHANSPEC_BUF_SIZE); if (ret < 0) { WL_ERR(("can't get chanspecs in 2.4GHz, error = %d\n", ret)); goto done; } ret = wl_cfg80211_get_best_channel(ndev, &channel); if (ret < 0) { WL_ERR(("can't select best channel scan in 2.4GHz, error = %d\n", ret)); goto done; } if (CHANNEL_IS_2G(channel)) { channel = ieee80211_channel_to_frequency(channel, IEEE80211_BAND_2GHZ); } else { WL_ERR(("invalid 2.4GHz channel, channel = %d\n", channel)); channel = 0; } sprintf(pos, "%04d ", channel); pos += 5; /* Best channel selection in 5GHz band. */ ret = wl_cfg80211_get_chanspecs_5g(ndev, (void *)buf, CHANSPEC_BUF_SIZE); if (ret < 0) { WL_ERR(("can't get chanspecs in 5GHz, error = %d\n", ret)); goto done; } ret = wl_cfg80211_get_best_channel(ndev, &channel); if (ret < 0) { WL_ERR(("can't select best channel scan in 5GHz, error = %d\n", ret)); goto done; } if (CHANNEL_IS_5G(channel)) { channel = ieee80211_channel_to_frequency(channel, IEEE80211_BAND_5GHZ); } else { WL_ERR(("invalid 5GHz channel, channel = %d\n", channel)); channel = 0; } sprintf(pos, "%04d ", channel); pos += 5; /* Set overall best channel same as 5GHz best channel. */ sprintf(pos, "%04d ", channel); pos += 5; done: if (NULL != buf) { kfree(buf); } /* Restore FW and driver back to normal state. */ ret = wl_cfg80211_restore_auto_channel_scan_state(ndev); if (ret < 0) { WL_ERR(("can't restore auto channel scan state, error = %d\n", ret)); } return (pos - cmd); } #endif /* WL_SUPPORT_AUTO_CHANNEL */ static const struct rfkill_ops wl_rfkill_ops = { .set_block = wl_rfkill_set }; static int wl_rfkill_set(void *data, bool blocked) { struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)data; WL_DBG(("Enter \n")); WL_DBG(("RF %s\n", blocked ? "blocked" : "unblocked")); if (!cfg) return -EINVAL; cfg->rf_blocked = blocked; return 0; } static int wl_setup_rfkill(struct bcm_cfg80211 *cfg, bool setup) { s32 err = 0; WL_DBG(("Enter \n")); if (!cfg) return -EINVAL; if (setup) { cfg->rfkill = rfkill_alloc("brcmfmac-wifi", wl_cfg80211_get_parent_dev(), RFKILL_TYPE_WLAN, &wl_rfkill_ops, (void *)cfg); if (!cfg->rfkill) { err = -ENOMEM; goto err_out; } err = rfkill_register(cfg->rfkill); if (err) rfkill_destroy(cfg->rfkill); } else { if (!cfg->rfkill) { err = -ENOMEM; goto err_out; } rfkill_unregister(cfg->rfkill); rfkill_destroy(cfg->rfkill); } err_out: return err; } #ifdef DEBUGFS_CFG80211 /** * Format : echo "SCAN:1 DBG:1" > /sys/kernel/debug/dhd/debug_level * to turn on SCAN and DBG log. * To turn off SCAN partially, echo "SCAN:0" > /sys/kernel/debug/dhd/debug_level * To see current setting of debug level, * cat /sys/kernel/debug/dhd/debug_level */ static ssize_t wl_debuglevel_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { char tbuf[S_SUBLOGLEVEL * ARRAYSIZE(sublogname_map)], sublog[S_SUBLOGLEVEL]; char *params, *token, *colon; uint i, tokens, log_on = 0; memset(tbuf, 0, sizeof(tbuf)); memset(sublog, 0, sizeof(sublog)); if (copy_from_user(&tbuf, userbuf, min_t(size_t, (sizeof(tbuf) - 1), count))) return -EFAULT; params = &tbuf[0]; colon = strchr(params, '\n'); if (colon != NULL) *colon = '\0'; while ((token = strsep(¶ms, " ")) != NULL) { memset(sublog, 0, sizeof(sublog)); if (token == NULL || !*token) break; if (*token == '\0') continue; colon = strchr(token, ':'); if (colon != NULL) { *colon = ' '; } tokens = sscanf(token, "%s %u", sublog, &log_on); if (colon != NULL) *colon = ':'; if (tokens == 2) { for (i = 0; i < ARRAYSIZE(sublogname_map); i++) { if (!strncmp(sublog, sublogname_map[i].sublogname, strlen(sublogname_map[i].sublogname))) { if (log_on) wl_dbg_level |= (sublogname_map[i].log_level); else wl_dbg_level &= ~(sublogname_map[i].log_level); } } } else WL_ERR(("%s: can't parse '%s' as a " "SUBMODULE:LEVEL (%d tokens)\n", tbuf, token, tokens)); } return count; } static ssize_t wl_debuglevel_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { char *param; char tbuf[S_SUBLOGLEVEL * ARRAYSIZE(sublogname_map)]; uint i; memset(tbuf, 0, sizeof(tbuf)); param = &tbuf[0]; for (i = 0; i < ARRAYSIZE(sublogname_map); i++) { param += snprintf(param, sizeof(tbuf) - 1, "%s:%d ", sublogname_map[i].sublogname, (wl_dbg_level & sublogname_map[i].log_level) ? 1 : 0); } *param = '\n'; return simple_read_from_buffer(user_buf, count, ppos, tbuf, strlen(&tbuf[0])); } static const struct file_operations fops_debuglevel = { .open = NULL, .write = wl_debuglevel_write, .read = wl_debuglevel_read, .owner = THIS_MODULE, .llseek = NULL, }; static s32 wl_setup_debugfs(struct bcm_cfg80211 *cfg) { s32 err = 0; struct dentry *_dentry; if (!cfg) return -EINVAL; cfg->debugfs = debugfs_create_dir(KBUILD_MODNAME, NULL); if (!cfg->debugfs || IS_ERR(cfg->debugfs)) { if (cfg->debugfs == ERR_PTR(-ENODEV)) WL_ERR(("Debugfs is not enabled on this kernel\n")); else WL_ERR(("Can not create debugfs directory\n")); cfg->debugfs = NULL; goto exit; } _dentry = debugfs_create_file("debug_level", S_IRUSR | S_IWUSR, cfg->debugfs, cfg, &fops_debuglevel); if (!_dentry || IS_ERR(_dentry)) { WL_ERR(("failed to create debug_level debug file\n")); wl_free_debugfs(cfg); } exit: return err; } static s32 wl_free_debugfs(struct bcm_cfg80211 *cfg) { if (!cfg) return -EINVAL; if (cfg->debugfs) debugfs_remove_recursive(cfg->debugfs); cfg->debugfs = NULL; return 0; } #endif /* DEBUGFS_CFG80211 */ struct device *wl_cfg80211_get_parent_dev(void) { return cfg80211_parent_dev; } void wl_cfg80211_set_parent_dev(void *dev) { cfg80211_parent_dev = dev; } static void wl_cfg80211_clear_parent_dev(void) { cfg80211_parent_dev = NULL; } void get_primary_mac(struct bcm_cfg80211 *cfg, struct ether_addr *mac) { wldev_iovar_getbuf_bsscfg(bcmcfg_to_prmry_ndev(cfg), "cur_etheraddr", NULL, 0, cfg->ioctl_buf, WLC_IOCTL_SMLEN, 0, &cfg->ioctl_buf_sync); memcpy(mac->octet, cfg->ioctl_buf, ETHER_ADDR_LEN); } static bool check_dev_role_integrity(struct bcm_cfg80211 *cfg, u32 dev_role) { dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); if (((dev_role == NL80211_IFTYPE_AP) && !(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) || ((dev_role == NL80211_IFTYPE_P2P_GO) && !(dhd->op_mode & DHD_FLAG_P2P_GO_MODE))) { WL_ERR(("device role select failed\n")); return false; } return true; } int wl_cfg80211_do_driver_init(struct net_device *net) { struct bcm_cfg80211 *cfg = *(struct bcm_cfg80211 **)netdev_priv(net); if (!cfg || !cfg->wdev) return -EINVAL; #if !defined(P2PONEINT) if (dhd_do_driver_init(cfg->wdev->netdev) < 0) return -1; #endif /* BCMDONGLEHOST */ return 0; } void wl_cfg80211_enable_trace(bool set, u32 level) { if (set) wl_dbg_level = level & WL_DBG_LEVEL; else wl_dbg_level |= (WL_DBG_LEVEL & level); } #if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \ 2, 0)) static s32 wl_cfg80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, u64 cookie) { /* CFG80211 checks for tx_cancel_wait callback when ATTR_DURATION * is passed with CMD_FRAME. This callback is supposed to cancel * the OFFCHANNEL Wait. Since we are already taking care of that * with the tx_mgmt logic, do nothing here. */ return 0; } #endif /* WL_SUPPORT_BACKPORTED_PATCHES || KERNEL >= 3.2.0 */ #ifdef WL11U bcm_tlv_t * wl_cfg80211_find_interworking_ie(u8 *parse, u32 len) { bcm_tlv_t *ie; while ((ie = bcm_parse_tlvs(parse, (u32)len, DOT11_MNG_INTERWORKING_ID))) { return (bcm_tlv_t *)ie; } return NULL; } static s32 wl_cfg80211_add_iw_ie(struct bcm_cfg80211 *cfg, struct net_device *ndev, s32 bssidx, s32 pktflag, uint8 ie_id, uint8 *data, uint8 data_len) { s32 err = BCME_OK; s32 buf_len; s32 iecount; ie_setbuf_t *ie_setbuf; if (ie_id != DOT11_MNG_INTERWORKING_ID) return BCME_UNSUPPORTED; if (data_len > IW_IES_MAX_BUF_LEN) { WL_ERR(("wrong data_len:%d\n", data_len)); return BCME_BADARG; } /* Validate the pktflag parameter */ if ((pktflag & ~(VNDR_IE_BEACON_FLAG | VNDR_IE_PRBRSP_FLAG | VNDR_IE_ASSOCRSP_FLAG | VNDR_IE_AUTHRSP_FLAG | VNDR_IE_PRBREQ_FLAG | VNDR_IE_ASSOCREQ_FLAG| VNDR_IE_CUSTOM_FLAG))) { WL_ERR(("cfg80211 Add IE: Invalid packet flag 0x%x\n", pktflag)); return -1; } /* use VNDR_IE_CUSTOM_FLAG flags for none vendor IE . currently fixed value */ pktflag = htod32(pktflag); buf_len = sizeof(ie_setbuf_t) + data_len - 1; ie_setbuf = (ie_setbuf_t *) kzalloc(buf_len, GFP_KERNEL); if (!ie_setbuf) { WL_ERR(("Error allocating buffer for IE\n")); return -ENOMEM; } if (cfg->iw_ie_len == data_len && !memcmp(cfg->iw_ie, data, data_len)) { WL_ERR(("Previous IW IE is equals to current IE\n")); err = BCME_OK; goto exit; } strncpy(ie_setbuf->cmd, "add", VNDR_IE_CMD_LEN - 1); ie_setbuf->cmd[VNDR_IE_CMD_LEN - 1] = '\0'; /* Buffer contains only 1 IE */ iecount = htod32(1); memcpy((void *)&ie_setbuf->ie_buffer.iecount, &iecount, sizeof(int)); memcpy((void *)&ie_setbuf->ie_buffer.ie_list[0].pktflag, &pktflag, sizeof(uint32)); /* Now, add the IE to the buffer */ ie_setbuf->ie_buffer.ie_list[0].ie_data.id = ie_id; /* if already set with previous values, delete it first */ if (cfg->iw_ie_len != 0) { WL_DBG(("Different IW_IE was already set. clear first\n")); ie_setbuf->ie_buffer.ie_list[0].ie_data.len = 0; err = wldev_iovar_setbuf_bsscfg(ndev, "ie", ie_setbuf, buf_len, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (err != BCME_OK) goto exit; } ie_setbuf->ie_buffer.ie_list[0].ie_data.len = data_len; memcpy((uchar *)&ie_setbuf->ie_buffer.ie_list[0].ie_data.data[0], data, data_len); err = wldev_iovar_setbuf_bsscfg(ndev, "ie", ie_setbuf, buf_len, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); if (err == BCME_OK) { memcpy(cfg->iw_ie, data, data_len); cfg->iw_ie_len = data_len; cfg->wl11u = TRUE; err = wldev_iovar_setint_bsscfg(ndev, "grat_arp", 1, bssidx); } exit: if (ie_setbuf) kfree(ie_setbuf); return err; } #endif /* WL11U */ int wl_cfg80211_scan_stop(bcm_struct_cfgdev *cfgdev) { struct bcm_cfg80211 *cfg = NULL; struct net_device *ndev = NULL; #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 7, 0)) struct cfg80211_scan_info info = {0}; #endif unsigned long flags; int clear_flag = 0; int ret = 0; WL_TRACE(("Enter\n")); cfg = g_bcm_cfg; if (!cfg) return -EINVAL; ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); spin_lock_irqsave(&cfg->cfgdrv_lock, flags); #ifdef WL_CFG80211_P2P_DEV_IF if (cfg->scan_request && cfg->scan_request->wdev == cfgdev) { #else if (cfg->scan_request && cfg->scan_request->dev == cfgdev) { #endif #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA TEGRA_SCAN_DONE(cfg->scan_request, true) #endif #if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 7, 0)) info.aborted = true; cfg80211_scan_done(cfg->scan_request, &info); #else cfg80211_scan_done(cfg->scan_request, true); #endif #ifdef CONFIG_BCMDHD_CUSTOM_SYSFS_TEGRA skip_cfg80211_scan_done: #endif cfg->scan_request = NULL; clear_flag = 1; } spin_unlock_irqrestore(&cfg->cfgdrv_lock, flags); if (clear_flag) wl_clr_drv_status(cfg, SCANNING, ndev); return ret; } bool wl_cfg80211_is_vsdb_mode(void) { return (g_bcm_cfg && g_bcm_cfg->vsdb_mode); } void* wl_cfg80211_get_dhdp() { struct bcm_cfg80211 *cfg = g_bcm_cfg; return cfg->pub; } bool wl_cfg80211_is_p2p_active(void) { return (g_bcm_cfg && g_bcm_cfg->p2p); } static void wl_cfg80211_work_handler(struct work_struct * work) { struct bcm_cfg80211 *cfg = NULL; struct net_info *iter, *next; s32 err = BCME_OK; s32 pm = PM_FAST; cfg = container_of(work, struct bcm_cfg80211, pm_enable_work.work); WL_DBG(("Enter \n")); if (cfg->pm_enable_work_on) { cfg->pm_enable_work_on = false; for_each_ndev(cfg, iter, next) { if (!wl_get_drv_status(cfg, CONNECTED, iter->ndev) || (wl_get_mode_by_netdev(cfg, iter->ndev) != WL_MODE_BSS && wl_get_mode_by_netdev(cfg, iter->ndev) != WL_MODE_IBSS)) continue; if (iter->ndev) { if ((err = wldev_ioctl(iter->ndev, WLC_SET_PM, &pm, sizeof(pm), true)) != 0) { if (err == -ENODEV) WL_DBG(("%s:netdev not ready\n", iter->ndev->name)); else WL_ERR(("%s:error (%d)\n", iter->ndev->name, err)); } else wl_cfg80211_update_power_mode(iter->ndev); } } } } u8 wl_get_action_category(void *frame, u32 frame_len) { u8 category; u8 *ptr = (u8 *)frame; if (frame == NULL) return DOT11_ACTION_CAT_ERR_MASK; if (frame_len < DOT11_ACTION_HDR_LEN) return DOT11_ACTION_CAT_ERR_MASK; category = ptr[DOT11_ACTION_CAT_OFF]; WL_INFORM(("Action Category: %d\n", category)); return category; } int wl_get_public_action(void *frame, u32 frame_len, u8 *ret_action) { u8 *ptr = (u8 *)frame; if (frame == NULL || ret_action == NULL) return BCME_ERROR; if (frame_len < DOT11_ACTION_HDR_LEN) return BCME_ERROR; if (DOT11_ACTION_CAT_PUBLIC != wl_get_action_category(frame, frame_len)) return BCME_ERROR; *ret_action = ptr[DOT11_ACTION_ACT_OFF]; WL_INFORM(("Public Action : %d\n", *ret_action)); return BCME_OK; } static int wl_cfg80211_delayed_roam(struct bcm_cfg80211 *cfg, struct net_device *ndev, const struct ether_addr *bssid) { s32 err; wl_event_msg_t e; bzero(&e, sizeof(e)); e.event_type = cpu_to_be32(WLC_E_BSSID); memcpy(&e.addr, bssid, ETHER_ADDR_LEN); /* trigger the roam event handler */ WL_INFORM(("Delayed roam to " MACDBG "\n", MAC2STRDBG((u8*)(bssid)))); err = wl_notify_roaming_status(cfg, ndev_to_cfgdev(ndev), &e, NULL); return err; } #ifdef WL_CFG80211_ACL static int wl_cfg80211_set_mac_acl(struct wiphy *wiphy, struct net_device *cfgdev, const struct cfg80211_acl_data *acl) { int i; int ret = 0; int macnum = 0; int macmode = MACLIST_MODE_DISABLED; struct maclist *list; /* get the MAC filter mode */ if (acl && acl->acl_policy == NL80211_ACL_POLICY_DENY_UNLESS_LISTED) { macmode = MACLIST_MODE_ALLOW; } else if (acl && acl->acl_policy == NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && acl->n_acl_entries) { macmode = MACLIST_MODE_DENY; } /* if acl == NULL, macmode is still disabled.. */ if (macmode == MACLIST_MODE_DISABLED) { if ((ret = wl_android_set_ap_mac_list(cfgdev, macmode, NULL)) != 0) WL_ERR(("%s : Setting MAC list failed error=%d\n", __FUNCTION__, ret)); return ret; } macnum = acl->n_acl_entries; if (macnum < 0 || macnum > MAX_NUM_MAC_FILT) { WL_ERR(("%s : invalid number of MAC address entries %d\n", __FUNCTION__, macnum)); return -1; } /* allocate memory for the MAC list */ list = (struct maclist*)kmalloc(sizeof(int) + sizeof(struct ether_addr) * macnum, GFP_KERNEL); if (!list) { WL_ERR(("%s : failed to allocate memory\n", __FUNCTION__)); return -1; } /* prepare the MAC list */ list->count = htod32(macnum); for (i = 0; i < macnum; i++) { memcpy(&list->ea[i], &acl->mac_addrs[i], ETHER_ADDR_LEN); } /* set the list */ if ((ret = wl_android_set_ap_mac_list(cfgdev, macmode, list)) != 0) WL_ERR(("%s : Setting MAC list failed error=%d\n", __FUNCTION__, ret)); kfree(list); return ret; } #endif /* WL_CFG80211_ACL */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) int wl_chspec_chandef(chanspec_t chanspec, #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0)) struct cfg80211_chan_def *chandef, #elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, \ \ 0))) struct chan_info *chaninfo, #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) */ struct wiphy *wiphy) { uint16 freq = 0; int chan_type = 0; int channel = 0, prim_channel = 0; int vht_channel = 0; uint16 sb; struct ieee80211_channel *chan; if (!chandef) { return -1; } channel = CHSPEC_CHANNEL(chanspec); prim_channel = CHSPEC_CHANNEL(chanspec); switch (CHSPEC_BW(chanspec)) { case WL_CHANSPEC_BW_20: chan_type = NL80211_CHAN_HT20; break; case WL_CHANSPEC_BW_40: if (CHSPEC_SB_UPPER(chanspec)) { channel += CH_10MHZ_APART; } else { channel -= CH_10MHZ_APART; } chan_type = NL80211_CHAN_HT40PLUS; break; #if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) case WL_CHANSPEC_BW_80: case WL_CHANSPEC_BW_8080: sb = CHSPEC_CTL_SB(chanspec); if (sb == WL_CHANSPEC_CTL_SB_LL) { channel -= (CH_10MHZ_APART + CH_20MHZ_APART); } else if (sb == WL_CHANSPEC_CTL_SB_LU) { channel -= CH_10MHZ_APART; } else if (sb == WL_CHANSPEC_CTL_SB_UL) { channel += CH_10MHZ_APART; } else { /* WL_CHANSPEC_CTL_SB_UU */ channel += (CH_10MHZ_APART + CH_20MHZ_APART); } vht_channel = 1; break; #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */ default: chan_type = NL80211_CHAN_HT20; break; } if (CHSPEC_IS5G(chanspec)) freq = ieee80211_channel_to_frequency(channel, NL80211_BAND_5GHZ); else freq = ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ); chan = ieee80211_get_channel(wiphy, freq); #if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) if (vht_channel) { chandef->chan = chan; chandef->center_freq2 = 0; chandef->width = NL80211_CHAN_WIDTH_80; chandef->center_freq1 = ieee80211_channel_to_frequency( prim_channel, NL80211_BAND_5GHZ); } else { cfg80211_chandef_create(chandef, chan, chan_type); } #elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, \ \ 0))) chaninfo->freq = freq; chaninfo->chan_type = chan_type; #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */ return 0; } void wl_cfg80211_ch_switch_notify(struct net_device *dev, uint16 chanspec, struct wiphy *wiphy) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) struct cfg80211_chan_def chandef; #elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, \ \ 0))) struct chan_info chaninfo; #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */ if (!wiphy) { printk("wiphy is null\n"); return; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) if (wl_chspec_chandef(chanspec, &chandef, wiphy)) { #elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, \ \ 0))) if (wl_chspec_chandef(chanspec, &chaninfo, wiphy)) { #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */ WL_ERR(("%s:chspec_chandef failed\n", __FUNCTION__)); return; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) cfg80211_ch_switch_notify(dev, &chandef); #elif (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 5, 0) && (LINUX_VERSION_CODE <= (3, 7, \ \ 0))) cfg80211_ch_switch_notify(dev, chan_info.freq, chan_info.chan_type); #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION (3, 8, 0)) */ return; } static s32 wl_csa_complete_ind(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { int error = 0; int chsp = 0; struct net_device *ndev = NULL; struct wiphy *wiphy = NULL; chanspec_t chanspec; WL_ERR(("%s\n", __FUNCTION__)); /* Re-set existing country code to restore channel * flags on DFS channels */ if (cfg && cfgdev) { ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); error = wldev_set_country(ndev, NULL, true, false); if (error < 0) { if (error == BCME_UNSUPPORTED) { /* Re-set band to restore passive channel flags */ wldev_reset_band(ndev); } else { WL_ERR(("%s: failed to reset ccode (%d)\n", __func__, error)); } } } if (e->status) return -1; if (cfg && cfgdev) { ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); wiphy = bcmcfg_to_wiphy(cfg); error = wldev_iovar_getint(ndev, "chanspec", &chsp); if (error) return -1; chanspec = wl_chspec_driver_to_host(chsp); wl_cfg80211_ch_switch_notify(ndev, chanspec, wiphy); } else { WL_ERR(("%s:cfgdev is null\n", __FUNCTION__)); return -1; } return 0; } #else static s32 wl_csa_complete_ind(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data) { WL_ERR(("%s:Not sup for kernel < 3.5\n", __FUNCTION__)); return 0; } #endif /* LINUX_VERSION_CODE >= (3, 5, 0) */ #ifdef WL_NAN int wl_cfg80211_nan_cmd_handler(struct net_device *ndev, char *cmd, int cmd_len) { return wl_cfgnan_cmd_handler(ndev, g_bcm_cfg, cmd, cmd_len); } #endif /* WL_NAN */