/* * Linux cfg80211 driver * * Copyright (C) 1999-2012, Broadcom Corporation * * Unless you and Broadcom execute a separate written software license * agreement governing use of this software, this software is licensed to you * under the terms of the GNU General Public License version 2 (the "GPL"), * available at http://www.broadcom.com/licenses/GPLv2.php, with the * following added to such license: * * As a special exception, the copyright holders of this software give you * permission to link this software with independent modules, and to copy and * distribute the resulting executable under terms of your choice, provided that * you also meet, for each linked independent module, the terms and conditions of * the license of that module. An independent module is a module which is not * derived from this software. The special exception does not apply to any * modifications of the software. * * Notwithstanding the above, under no circumstances may you combine this * software in any way with any other Broadcom software provided under a license * other than the GPL, without Broadcom's express prior written consent. * * $Id: wl_cfg80211.c 374275 2012-12-12 11:44:18Z $ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef PROP_TXSTATUS #include #endif #ifdef BCMWAPI_WPI /* these items should evetually go into wireless.h of the linux system headfile dir */ #ifndef IW_ENCODE_ALG_SM4 #define IW_ENCODE_ALG_SM4 0x20 #endif #ifndef IW_AUTH_WAPI_ENABLED #define IW_AUTH_WAPI_ENABLED 0x20 #endif #ifndef IW_AUTH_WAPI_VERSION_1 #define IW_AUTH_WAPI_VERSION_1 0x00000008 #endif #ifndef IW_AUTH_CIPHER_SMS4 #define IW_AUTH_CIPHER_SMS4 0x00000020 #endif #ifndef IW_AUTH_KEY_MGMT_WAPI_PSK #define IW_AUTH_KEY_MGMT_WAPI_PSK 4 #endif #ifndef IW_AUTH_KEY_MGMT_WAPI_CERT #define IW_AUTH_KEY_MGMT_WAPI_CERT 8 #endif #endif /* BCMWAPI_WPI */ #ifdef BCMWAPI_WPI #define IW_WSEC_ENABLED(wsec) ((wsec) & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED | SMS4_ENABLED)) #else /* BCMWAPI_WPI */ #define IW_WSEC_ENABLED(wsec) ((wsec) & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED)) #endif /* BCMWAPI_WPI */ #ifdef WL11U #ifndef WL_ENABLE_P2P_IF #error "You should enable WL_ENABLE_P2P_IF and Only supported in JB" #endif #endif /* WL11U */ #define IW_WSEC_ENABLED(wsec) ((wsec) & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED)) static struct device *cfg80211_parent_dev = NULL; struct wl_priv *wlcfg_drv_priv = NULL; u32 wl_dbg_level = WL_DBG_ERR; #define MAX_WAIT_TIME 1500 #ifdef VSDB /* sleep time to keep STA's connecting or connection for continuous af tx or finding a peer */ #define DEFAULT_SLEEP_TIME_VSDB 200 #define OFF_CHAN_TIME_THRESHOLD_MS 200 /* 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(wl) \ do { \ if (wl_get_drv_status(wl, CONNECTED, wl_to_prmry_ndev(wl)) || \ wl_get_drv_status(wl, CONNECTING, wl_to_prmry_ndev(wl))) { \ msleep(DEFAULT_SLEEP_TIME_VSDB); \ } \ } while (0) #else /* VSDB */ /* if not VSDB, do nothing */ #define WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(wl) #endif /* VSDB */ #ifdef WL_CFG80211_SYNC_GON #define WL_DRV_STATUS_SENDING_AF_FRM_EXT(wl) \ (wl_get_drv_status_all(wl, SENDING_ACT_FRM) || \ wl_get_drv_status_all(wl, WAITING_NEXT_ACT_FRM_LISTEN)) #else #define WL_DRV_STATUS_SENDING_AF_FRM_EXT(wl) wl_get_drv_status_all(wl, SENDING_ACT_FRM) #endif /* WL_CFG80211_SYNC_GON */ #define WL_CHANSPEC_CTL_SB_NONE WL_CHANSPEC_CTL_SB_LLL #define DNGL_FUNC(func, parameters) func parameters; #define COEX_DHCP #define WLAN_EID_SSID 0 #define CH_MIN_5G_CHANNEL 34 #define CH_MIN_2G_CHANNEL 1 /* This is to override regulatory domains defined in cfg80211 module (reg.c) * By default world regulatory domain defined in reg.c puts the flags NL80211_RRF_PASSIVE_SCAN * and NL80211_RRF_NO_IBSS for 5GHz channels (for 36..48 and 149..165). * With respect to these flags, wpa_supplicant doesn't start p2p operations on 5GHz channels. * All the chnages in world regulatory domain are to be done here. */ static const struct ieee80211_regdomain brcm_regdom = { .n_reg_rules = 4, .alpha2 = "99", .reg_rules = { /* IEEE 802.11b/g, channels 1..11 */ REG_RULE(2412-10, 2472+10, 40, 6, 20, 0), /* If any */ /* IEEE 802.11 channel 14 - Only JP enables * this and for 802.11b only */ REG_RULE(2484-10, 2484+10, 20, 6, 20, 0), /* IEEE 802.11a, channel 36..64 */ REG_RULE(5150-10, 5350+10, 40, 6, 20, 0), /* IEEE 802.11a, channel 100..165 */ REG_RULE(5470-10, 5850+10, 40, 6, 20, 0), } }; /* Data Element Definitions */ #define WPS_ID_CONFIG_METHODS 0x1008 #define WPS_ID_REQ_TYPE 0x103A #define WPS_ID_DEVICE_NAME 0x1011 #define WPS_ID_VERSION 0x104A #define WPS_ID_DEVICE_PWD_ID 0x1012 #define WPS_ID_REQ_DEV_TYPE 0x106A #define WPS_ID_SELECTED_REGISTRAR_CONFIG_METHODS 0x1053 #define WPS_ID_PRIM_DEV_TYPE 0x1054 /* Device Password ID */ #define DEV_PW_DEFAULT 0x0000 #define DEV_PW_USER_SPECIFIED 0x0001, #define DEV_PW_MACHINE_SPECIFIED 0x0002 #define DEV_PW_REKEY 0x0003 #define DEV_PW_PUSHBUTTON 0x0004 #define DEV_PW_REGISTRAR_SPECIFIED 0x0005 /* Config Methods */ #define WPS_CONFIG_USBA 0x0001 #define WPS_CONFIG_ETHERNET 0x0002 #define WPS_CONFIG_LABEL 0x0004 #define WPS_CONFIG_DISPLAY 0x0008 #define WPS_CONFIG_EXT_NFC_TOKEN 0x0010 #define WPS_CONFIG_INT_NFC_TOKEN 0x0020 #define WPS_CONFIG_NFC_INTERFACE 0x0040 #define WPS_CONFIG_PUSHBUTTON 0x0080 #define WPS_CONFIG_KEYPAD 0x0100 #define WPS_CONFIG_VIRT_PUSHBUTTON 0x0280 #define WPS_CONFIG_PHY_PUSHBUTTON 0x0480 #define WPS_CONFIG_VIRT_DISPLAY 0x2008 #define WPS_CONFIG_PHY_DISPLAY 0x4008 #define PM_BLOCK 1 #define PM_ENABLE 0 /* * 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); static s32 wl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_scan_request *request); static s32 wl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed); static s32 wl_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ibss_params *params); static s32 wl_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev); static s32 wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, u8 *mac, struct station_info *sinfo); static s32 wl_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, bool enabled, s32 timeout); static int wl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_connect_params *sme); static s32 wl_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, u16 reason_code); static s32 wl_cfg80211_set_tx_power(struct wiphy *wiphy, enum nl80211_tx_power_setting type, s32 dbm); static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm); 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, struct net_device *dev, u64 cookie); static s32 wl_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, u8* mac_addr); #endif #if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39) static s32 wl_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow); #else static s32 wl_cfg80211_suspend(struct wiphy *wiphy); #endif static s32 wl_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_pmksa *pmksa); static s32 wl_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_pmksa *pmksa); static s32 wl_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *dev); static s32 wl_notify_escan_complete(struct wl_priv *wl, struct net_device *ndev, bool aborted, bool fw_abort); /* * event & event Q handlers for cfg80211 interfaces */ static s32 wl_create_event_handler(struct wl_priv *wl); static void wl_destroy_event_handler(struct wl_priv *wl); static s32 wl_event_handler(void *data); static void wl_init_eq(struct wl_priv *wl); static void wl_flush_eq(struct wl_priv *wl); static unsigned long wl_lock_eq(struct wl_priv *wl); static void wl_unlock_eq(struct wl_priv *wl, unsigned long flags); static void wl_init_eq_lock(struct wl_priv *wl); static void wl_init_event_handler(struct wl_priv *wl); static struct wl_event_q *wl_deq_event(struct wl_priv *wl); static s32 wl_enq_event(struct wl_priv *wl, 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 wl_priv *wl); static s32 wl_notify_connect_status_ap(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data); static s32 wl_notify_connect_status(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data); static s32 wl_notify_roaming_status(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data); static s32 wl_notify_scan_status(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data); static s32 wl_bss_connect_done(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data, bool completed); static s32 wl_bss_roaming_done(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data); static s32 wl_notify_mic_status(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data); #ifdef WL_SCHED_SCAN static s32 wl_notify_sched_scan_results(struct wl_priv *wl, 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 wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data); #endif /* PNO_SUPPORT */ static s32 wl_notifier_change_state(struct wl_priv *wl, struct net_info *_net_info, enum wl_status state, bool set); /* * 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); /* * wl profile utilities */ static s32 wl_update_prof(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data, s32 item); static void *wl_read_prof(struct wl_priv *wl, struct net_device *ndev, s32 item); static void wl_init_prof(struct wl_priv *wl, struct net_device *ndev); /* * cfg80211 connect utilites */ static s32 wl_set_wpa_version(struct net_device *dev, struct cfg80211_connect_params *sme); static s32 wl_set_auth_type(struct net_device *dev, struct cfg80211_connect_params *sme); static s32 wl_set_set_cipher(struct net_device *dev, struct cfg80211_connect_params *sme); static s32 wl_set_key_mgmt(struct net_device *dev, struct cfg80211_connect_params *sme); static s32 wl_set_set_sharedkey(struct net_device *dev, struct cfg80211_connect_params *sme); #ifdef BCMWAPI_WPI static s32 wl_set_set_wapi_ie(struct net_device *dev, struct cfg80211_connect_params *sme); #endif static s32 wl_get_assoc_ies(struct wl_priv *wl, 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 wl_priv *wl); static __used s32 wl_add_ie(struct wl_priv *wl, u8 t, u8 l, u8 *v); static s32 wl_mrg_ie(struct wl_priv *wl, u8 *ie_stream, u16 ie_size); static s32 wl_cp_ie(struct wl_priv *wl, u8 *dst, u16 dst_size); static u32 wl_get_ielen(struct wl_priv *wl); #ifdef WL11U bcm_tlv_t * wl_cfg80211_find_interworking_ie(u8 *parse, u32 len); static s32 wl_cfg80211_add_iw_ie(struct wl_priv *wl, 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); static void wl_free_wdev(struct wl_priv *wl); static int wl_cfg80211_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request); static s32 wl_inform_bss(struct wl_priv *wl); static s32 wl_inform_single_bss(struct wl_priv *wl, struct wl_bss_info *bi, u8 is_roam_done); static s32 wl_update_bss_info(struct wl_priv *wl, struct net_device *ndev, u8 is_roam_done); static chanspec_t wl_cfg80211_get_shared_freq(struct wiphy *wiphy); s32 wl_cfg80211_channel_to_freq(u32 channel); #if defined(DHCP_SCAN_SUPPRESS) static void wl_cfg80211_work_handler(struct work_struct *work); static void wl_cfg80211_scan_supp_timerfunc(ulong data); #endif /* DHCP_SCAN_SUPPRESS */ 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); /* * wl_priv memory init/deinit utilities */ static s32 wl_init_priv_mem(struct wl_priv *wl); static void wl_deinit_priv_mem(struct wl_priv *wl); static void wl_delay(u32 ms); /* * ibss mode utilities */ static bool wl_is_ibssmode(struct wl_priv *wl, struct net_device *ndev); static __used bool wl_is_ibssstarter(struct wl_priv *wl); /* * link up/down , default configuration utilities */ static s32 __wl_cfg80211_up(struct wl_priv *wl); static s32 __wl_cfg80211_down(struct wl_priv *wl); static bool wl_is_linkdown(struct wl_priv *wl, const wl_event_msg_t *e); static bool wl_is_linkup(struct wl_priv *wl, const wl_event_msg_t *e, struct net_device *ndev); static bool wl_is_nonetwork(struct wl_priv *wl, const wl_event_msg_t *e); static void wl_link_up(struct wl_priv *wl); static void wl_link_down(struct wl_priv *wl); static s32 wl_config_ifmode(struct wl_priv *wl, struct net_device *ndev, s32 iftype); static void wl_init_conf(struct wl_conf *conf); /* * iscan handler */ static void wl_iscan_timer(unsigned long data); static void wl_term_iscan(struct wl_priv *wl); static s32 wl_init_scan(struct wl_priv *wl); static s32 wl_iscan_thread(void *data); static s32 wl_run_iscan(struct wl_iscan_ctrl *iscan, struct cfg80211_scan_request *request, u16 action); static s32 wl_do_iscan(struct wl_priv *wl, struct cfg80211_scan_request *request); static s32 wl_wakeup_iscan(struct wl_iscan_ctrl *iscan); static s32 wl_invoke_iscan(struct wl_priv *wl); static s32 wl_get_iscan_results(struct wl_iscan_ctrl *iscan, u32 *status, struct wl_scan_results **bss_list); static void wl_notify_iscan_complete(struct wl_iscan_ctrl *iscan, bool aborted); static void wl_init_iscan_handler(struct wl_iscan_ctrl *iscan); static s32 wl_iscan_done(struct wl_priv *wl); static s32 wl_iscan_pending(struct wl_priv *wl); static s32 wl_iscan_inprogress(struct wl_priv *wl); static s32 wl_iscan_aborted(struct wl_priv *wl); /* * find most significant bit set */ static __used u32 wl_find_msb(u16 bit16); /* * rfkill support */ static int wl_setup_rfkill(struct wl_priv *wl, bool setup); static int wl_rfkill_set(void *data, bool blocked); static wl_scan_params_t *wl_cfg80211_scan_alloc_params(int channel, int nprobes, int *out_params_size); static void get_primary_mac(struct wl_priv *wl, struct ether_addr *mac); /* * 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); #define CHECK_SYS_UP(wlpriv) \ do { \ struct net_device *ndev = wl_to_prmry_ndev(wlpriv); \ if (unlikely(!wl_get_drv_status(wlpriv, READY, ndev))) { \ WL_INFO(("device is not ready\n")); \ return -EIO; \ } \ } while (0) #define IS_WPA_AKM(akm) ((akm) == RSN_AKM_NONE || \ (akm) == RSN_AKM_UNSPECIFIED || \ (akm) == RSN_AKM_PSK) extern int dhd_wait_pend8021x(struct net_device *dev); #ifdef PROP_TXSTATUS_VSDB extern int disable_proptx; extern int dhd_wlfc_init(dhd_pub_t *dhd); extern void dhd_wlfc_deinit(dhd_pub_t *dhd); #endif /* PROP_TXSTATUS_VSDB */ #if (WL_DBG_LEVEL > 0) #define WL_DBG_ESTR_MAX 50 static s8 wl_dbg_estr[][WL_DBG_ESTR_MAX] = { "SET_SSID", "JOIN", "START", "AUTH", "AUTH_IND", "DEAUTH", "DEAUTH_IND", "ASSOC", "ASSOC_IND", "REASSOC", "REASSOC_IND", "DISASSOC", "DISASSOC_IND", "QUIET_START", "QUIET_END", "BEACON_RX", "LINK", "MIC_ERROR", "NDIS_LINK", "ROAM", "TXFAIL", "PMKID_CACHE", "RETROGRADE_TSF", "PRUNE", "AUTOAUTH", "EAPOL_MSG", "SCAN_COMPLETE", "ADDTS_IND", "DELTS_IND", "BCNSENT_IND", "BCNRX_MSG", "BCNLOST_MSG", "ROAM_PREP", "PFN_NET_FOUND", "PFN_NET_LOST", "RESET_COMPLETE", "JOIN_START", "ROAM_START", "ASSOC_START", "IBSS_ASSOC", "RADIO", "PSM_WATCHDOG", "WLC_E_CCX_ASSOC_START", "WLC_E_CCX_ASSOC_ABORT", "PROBREQ_MSG", "SCAN_CONFIRM_IND", "PSK_SUP", "COUNTRY_CODE_CHANGED", "EXCEEDED_MEDIUM_TIME", "ICV_ERROR", "UNICAST_DECODE_ERROR", "MULTICAST_DECODE_ERROR", "TRACE", "WLC_E_BTA_HCI_EVENT", "IF", "WLC_E_P2P_DISC_LISTEN_COMPLETE", "RSSI", "PFN_SCAN_COMPLETE", "WLC_E_EXTLOG_MSG", "ACTION_FRAME", "ACTION_FRAME_COMPLETE", "WLC_E_PRE_ASSOC_IND", "WLC_E_PRE_REASSOC_IND", "WLC_E_CHANNEL_ADOPTED", "WLC_E_AP_STARTED", "WLC_E_DFS_AP_STOP", "WLC_E_DFS_AP_RESUME", "WLC_E_WAI_STA_EVENT", "WLC_E_WAI_MSG", "WLC_E_ESCAN_RESULT", "WLC_E_ACTION_FRAME_OFF_CHAN_COMPLETE", "WLC_E_PROBRESP_MSG", "WLC_E_P2P_PROBREQ_MSG", "WLC_E_DCS_REQUEST", "WLC_E_FIFO_CREDIT_MAP", "WLC_E_ACTION_FRAME_RX", "WLC_E_WAKE_EVENT", "WLC_E_RM_COMPLETE" }; #endif /* WL_DBG_LEVEL */ #define CHAN2G(_channel, _freq, _flags) { \ .band = IEEE80211_BAND_2GHZ, \ .center_freq = (_freq), \ .hw_value = (_channel), \ .flags = (_flags), \ .max_antenna_gain = 0, \ .max_power = 30, \ } #define CHAN5G(_channel, _flags) { \ .band = IEEE80211_BAND_5GHZ, \ .center_freq = 5000 + (5 * (_channel)), \ .hw_value = (_channel), \ .flags = (_flags), \ .max_antenna_gain = 0, \ .max_power = 30, \ } #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2) #define RATETAB_ENT(_rateid, _flags) \ { \ .bitrate = RATE_TO_BASE100KBPS(_rateid), \ .hw_value = (_rateid), \ .flags = (_flags), \ } static struct ieee80211_rate __wl_rates[] = { RATETAB_ENT(WLC_RATE_1M, 0), RATETAB_ENT(WLC_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE), RATETAB_ENT(WLC_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE), RATETAB_ENT(WLC_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE), RATETAB_ENT(WLC_RATE_6M, 0), RATETAB_ENT(WLC_RATE_9M, 0), RATETAB_ENT(WLC_RATE_12M, 0), RATETAB_ENT(WLC_RATE_18M, 0), RATETAB_ENT(WLC_RATE_24M, 0), RATETAB_ENT(WLC_RATE_36M, 0), RATETAB_ENT(WLC_RATE_48M, 0), RATETAB_ENT(WLC_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(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 BCMWAPI_WPI WLAN_CIPHER_SUITE_SMS4 #endif }; /* IOCtl version read from targeted driver */ static int ioctl_version; /* Return a new chanspec given a legacy chanspec * Returns INVCHANSPEC on error */ static chanspec_t wl_chspec_from_legacy(chanspec_t legacy_chspec) { chanspec_t chspec; /* get the channel number */ chspec = LCHSPEC_CHANNEL(legacy_chspec); /* convert the band */ if (LCHSPEC_IS2G(legacy_chspec)) { chspec |= WL_CHANSPEC_BAND_2G; } else { chspec |= WL_CHANSPEC_BAND_5G; } /* convert the bw and sideband */ if (LCHSPEC_IS20(legacy_chspec)) { chspec |= WL_CHANSPEC_BW_20; } else { chspec |= WL_CHANSPEC_BW_40; if (LCHSPEC_CTL_SB(legacy_chspec) == WL_LCHANSPEC_CTL_SB_LOWER) { chspec |= WL_CHANSPEC_CTL_SB_L; } else { chspec |= WL_CHANSPEC_CTL_SB_U; } } if (wf_chspec_malformed(chspec)) { WL_ERR(("wl_chspec_from_legacy: output chanspec (0x%04X) malformed\n", chspec)); return INVCHANSPEC; } return chspec; } /* Return a legacy chanspec given a new chanspec * Returns INVCHANSPEC on error */ static chanspec_t wl_chspec_to_legacy(chanspec_t chspec) { chanspec_t lchspec; if (wf_chspec_malformed(chspec)) { WL_ERR(("wl_chspec_to_legacy: input chanspec (0x%04X) malformed\n", chspec)); return INVCHANSPEC; } /* get the channel number */ lchspec = CHSPEC_CHANNEL(chspec); /* convert the band */ if (CHSPEC_IS2G(chspec)) { lchspec |= WL_LCHANSPEC_BAND_2G; } else { lchspec |= WL_LCHANSPEC_BAND_5G; } /* convert the bw and sideband */ if (CHSPEC_IS20(chspec)) { lchspec |= WL_LCHANSPEC_BW_20; lchspec |= WL_LCHANSPEC_CTL_SB_NONE; } else if (CHSPEC_IS40(chspec)) { lchspec |= WL_LCHANSPEC_BW_40; if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_L) { lchspec |= WL_LCHANSPEC_CTL_SB_LOWER; } else { lchspec |= WL_LCHANSPEC_CTL_SB_UPPER; } } else { /* cannot express the bandwidth */ char chanbuf[CHANSPEC_STR_LEN]; WL_ERR(( "wl_chspec_to_legacy: unable to convert chanspec %s (0x%04X) " "to pre-11ac format\n", wf_chspec_ntoa(chspec, chanbuf), chspec)); return INVCHANSPEC; } return lchspec; } /* given a chanspec value, do the endian and chanspec version conversion to * a chanspec_t value * Returns INVCHANSPEC on error */ static chanspec_t wl_chspec_host_to_driver(chanspec_t chanspec) { if (ioctl_version == 1) { chanspec = wl_chspec_to_legacy(chanspec); if (chanspec == INVCHANSPEC) { return chanspec; } } chanspec = htodchanspec(chanspec); return chanspec; } /* given a channel value, do the endian and chanspec version conversion to * a chanspec_t value * Returns INVCHANSPEC on error */ chanspec_t wl_ch_host_to_driver(u16 channel) { chanspec_t chanspec; chanspec = channel & WL_CHANSPEC_CHAN_MASK; if (channel <= CH_MAX_2G_CHANNEL) chanspec |= WL_CHANSPEC_BAND_2G; else chanspec |= WL_CHANSPEC_BAND_5G; chanspec |= WL_CHANSPEC_BW_20; chanspec |= WL_CHANSPEC_CTL_SB_NONE; return wl_chspec_host_to_driver(chanspec); } /* given a chanspec value from the driver, do the endian and chanspec version conversion to * a chanspec_t value * Returns INVCHANSPEC on error */ static chanspec_t wl_chspec_driver_to_host(chanspec_t chanspec) { chanspec = dtohchanspec(chanspec); if (ioctl_version == 1) { chanspec = wl_chspec_from_legacy(chanspec); } return chanspec; } /* 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) } }; static void swap_key_from_BE(struct wl_wsec_key *key) { key->index = htod32(key->index); key->len = htod32(key->len); key->algo = htod32(key->algo); key->flags = htod32(key->flags); key->rxiv.hi = htod32(key->rxiv.hi); key->rxiv.lo = htod16(key->rxiv.lo); key->iv_initialized = htod32(key->iv_initialized); } static void swap_key_to_BE(struct wl_wsec_key *key) { key->index = dtoh32(key->index); key->len = dtoh32(key->len); key->algo = dtoh32(key->algo); key->flags = dtoh32(key->flags); key->rxiv.hi = dtoh32(key->rxiv.hi); key->rxiv.lo = dtoh16(key->rxiv.lo); key->iv_initialized = dtoh32(key->iv_initialized); } #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0) /* For debug: Dump the contents of the encoded wps ie buffe */ static void wl_validate_wps_ie(char *wps_ie, s32 wps_ie_len, bool *pbc) { #define WPS_IE_FIXED_LEN 6 u16 len; u8 *subel = NULL; u16 subelt_id; u16 subelt_len; u16 val; u8 *valptr = (uint8*) &val; if (wps_ie == NULL || wps_ie_len < WPS_IE_FIXED_LEN) { WL_ERR(("invalid argument : NULL\n")); return; } len = (u16)wps_ie[TLV_LEN_OFF]; if (len > wps_ie_len) { WL_ERR(("invalid length len %d, wps ie len %d\n", len, wps_ie_len)); return; } WL_DBG(("wps_ie len=%d\n", len)); len -= 4; /* for the WPS IE's OUI, oui_type fields */ subel = wps_ie + WPS_IE_FIXED_LEN; while (len >= 4) { /* must have attr id, attr len fields */ valptr[0] = *subel++; valptr[1] = *subel++; subelt_id = HTON16(val); valptr[0] = *subel++; valptr[1] = *subel++; subelt_len = HTON16(val); len -= 4; /* for the attr id, attr len fields */ len -= subelt_len; /* for the remaining fields in this attribute */ WL_DBG((" subel=%p, subelt_id=0x%x subelt_len=%u\n", subel, subelt_id, subelt_len)); if (subelt_id == WPS_ID_VERSION) { WL_DBG((" attr WPS_ID_VERSION: %u\n", *subel)); } else if (subelt_id == WPS_ID_REQ_TYPE) { WL_DBG((" attr WPS_ID_REQ_TYPE: %u\n", *subel)); } else if (subelt_id == WPS_ID_CONFIG_METHODS) { valptr[0] = *subel; valptr[1] = *(subel + 1); WL_DBG((" attr WPS_ID_CONFIG_METHODS: %x\n", HTON16(val))); } else if (subelt_id == WPS_ID_DEVICE_NAME) { char devname[100]; memcpy(devname, subel, subelt_len); devname[subelt_len] = '\0'; WL_DBG((" attr WPS_ID_DEVICE_NAME: %s (len %u)\n", devname, subelt_len)); } else if (subelt_id == WPS_ID_DEVICE_PWD_ID) { valptr[0] = *subel; valptr[1] = *(subel + 1); WL_DBG((" attr WPS_ID_DEVICE_PWD_ID: %u\n", HTON16(val))); *pbc = (HTON16(val) == DEV_PW_PUSHBUTTON) ? true : false; } else if (subelt_id == WPS_ID_PRIM_DEV_TYPE) { valptr[0] = *subel; valptr[1] = *(subel + 1); WL_DBG((" attr WPS_ID_PRIM_DEV_TYPE: cat=%u \n", HTON16(val))); valptr[0] = *(subel + 6); valptr[1] = *(subel + 7); WL_DBG((" attr WPS_ID_PRIM_DEV_TYPE: subcat=%u\n", HTON16(val))); } else if (subelt_id == WPS_ID_REQ_DEV_TYPE) { valptr[0] = *subel; valptr[1] = *(subel + 1); WL_DBG((" attr WPS_ID_REQ_DEV_TYPE: cat=%u\n", HTON16(val))); valptr[0] = *(subel + 6); valptr[1] = *(subel + 7); WL_DBG((" attr WPS_ID_REQ_DEV_TYPE: subcat=%u\n", HTON16(val))); } else if (subelt_id == WPS_ID_SELECTED_REGISTRAR_CONFIG_METHODS) { valptr[0] = *subel; valptr[1] = *(subel + 1); WL_DBG((" attr WPS_ID_SELECTED_REGISTRAR_CONFIG_METHODS" ": cat=%u\n", HTON16(val))); } else { WL_DBG((" unknown attr 0x%x\n", subelt_id)); } subel += subelt_len; } } #endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0) */ static chanspec_t wl_cfg80211_get_shared_freq(struct wiphy *wiphy) { chanspec_t chspec; int err = 0; struct wl_priv *wl = wiphy_priv(wiphy); struct net_device *dev = wl_to_prmry_ndev(wl); struct ether_addr bssid; struct wl_bss_info *bss = NULL; if ((err = wldev_ioctl(dev, WLC_GET_BSSID, &bssid, sizeof(bssid), false))) { /* STA interface is not associated. So start the new interface on a temp * channel . Later proper channel will be applied by the above framework * via set_channel (cfg80211 API). */ WL_DBG(("Not associated. Return a temp channel. \n")); return wl_ch_host_to_driver(WL_P2P_TEMP_CHAN); } *(u32 *) wl->extra_buf = htod32(WL_EXTRA_BUF_MAX); if ((err = wldev_ioctl(dev, WLC_GET_BSS_INFO, wl->extra_buf, WL_EXTRA_BUF_MAX, false))) { WL_ERR(("Failed to get associated bss info, use temp channel \n")); chspec = wl_ch_host_to_driver(WL_P2P_TEMP_CHAN); } else { bss = (struct wl_bss_info *) (wl->extra_buf + 4); chspec = bss->chanspec; WL_DBG(("Valid BSS Found. chanspec:%d \n", chspec)); } return chspec; } static struct net_device* wl_cfg80211_add_monitor_if(char *name) { #if defined(WLP2P) && defined(WL_ENABLE_P2P_IF) WL_INFO(("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_INFO(("wl_cfg80211_add_monitor_if net device returned: 0x%p\n", ndev)); return ndev; #endif /* defined(WLP2P) && defined(WL_ENABLE_P2P_IF) */ } static struct net_device * wl_cfg80211_add_virtual_iface(struct wiphy *wiphy, char *name, enum nl80211_iftype type, u32 *flags, struct vif_params *params) { s32 err; s32 timeout = -1; s32 wlif_type = -1; s32 mode = 0; s32 val = 0; s32 dhd_mode = 0; chanspec_t chspec; struct wl_priv *wl = wiphy_priv(wiphy); struct net_device *_ndev; struct ether_addr primary_mac; int (*net_attach)(void *dhdp, int ifidx); bool rollback_lock = false; #ifdef PROP_TXSTATUS_VSDB s32 up = 1; dhd_pub_t *dhd; #endif /* PROP_TXSTATUS_VSDB */ if (!wl) return ERR_PTR(-EINVAL); #ifdef PROP_TXSTATUS_VSDB dhd = (dhd_pub_t *)(wl->pub); #endif /* PROP_TXSTATUS_VSDB */ /* Use primary I/F for sending cmds down to firmware */ _ndev = wl_to_prmry_ndev(wl); WL_DBG(("if name: %s, type: %d\n", name, type)); switch (type) { case NL80211_IFTYPE_ADHOC: 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(name); case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_STATION: wlif_type = WL_P2P_IF_CLIENT; mode = WL_MODE_BSS; break; case NL80211_IFTYPE_P2P_GO: case NL80211_IFTYPE_AP: wlif_type = WL_P2P_IF_GO; mode = WL_MODE_AP; break; default: WL_ERR(("Unsupported interface type\n")); return NULL; break; } if (!name) { WL_ERR(("name is NULL\n")); return NULL; } if (wl->p2p_supported && (wlif_type != -1)) { if (wl_get_p2p_status(wl, IF_DELETING)) { /* wait till IF_DEL is complete * release the lock for the unregister to proceed */ if (rtnl_is_locked()) { rtnl_unlock(); rollback_lock = true; } WL_INFO(("%s: Released the lock and wait till IF_DEL is complete\n", __func__)); timeout = wait_event_interruptible_timeout(wl->netif_change_event, (wl_get_p2p_status(wl, IF_DELETING) == false), msecs_to_jiffies(MAX_WAIT_TIME)); /* put back the rtnl_lock again */ if (rollback_lock) { rtnl_lock(); rollback_lock = false; } if (timeout > 0) { WL_ERR(("IF DEL is Success\n")); } else { WL_ERR(("timeount < 0, return -EAGAIN\n")); return ERR_PTR(-EAGAIN); } /* It should be now be safe to put this check here since we are sure * by now netdev_notifier (unregister) would have been called */ if (wl->iface_cnt == IFACE_MAX_CNT) return ERR_PTR(-ENOMEM); } #ifdef PROP_TXSTATUS_VSDB if (!dhd) return ERR_PTR(-ENODEV); #endif /* PROP_TXSTATUS_VSDB */ if (!wl->p2p) return ERR_PTR(-ENODEV); if (wl->p2p && !wl->p2p->on && strstr(name, WL_P2P_INTERFACE_PREFIX)) { p2p_on(wl) = true; wl_cfgp2p_set_firm_p2p(wl); wl_cfgp2p_init_discovery(wl); get_primary_mac(wl, &primary_mac); wl_cfgp2p_generate_bss_mac(&primary_mac, &wl->p2p->dev_addr, &wl->p2p->int_addr); } memset(wl->p2p->vir_ifname, 0, IFNAMSIZ); strncpy(wl->p2p->vir_ifname, name, IFNAMSIZ - 1); wl_notify_escan_complete(wl, _ndev, true, true); #ifdef PROP_TXSTATUS_VSDB if (!wl->wlfc_on && !disable_proptx) { dhd->wlfc_enabled = true; dhd_wlfc_init(dhd); err = wldev_ioctl(_ndev, WLC_UP, &up, sizeof(s32), true); if (err < 0) WL_ERR(("WLC_UP return err:%d\n", err)); wl->wlfc_on = true; } #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: "wl p2p_ifadd" */ wl_set_p2p_status(wl, IF_ADD); if (wlif_type == WL_P2P_IF_GO) wldev_iovar_setint(_ndev, "mpc", 0); err = wl_cfgp2p_ifadd(wl, &wl->p2p->int_addr, htod32(wlif_type), chspec); if (unlikely(err)) { WL_ERR((" virtual iface add failed (%d) \n", err)); return ERR_PTR(-ENOMEM); } timeout = wait_event_interruptible_timeout(wl->netif_change_event, (wl_get_p2p_status(wl, IF_ADD) == false), msecs_to_jiffies(MAX_WAIT_TIME)); if (timeout > 0 && (!wl_get_p2p_status(wl, IF_ADD))) { struct wireless_dev *vwdev; vwdev = kzalloc(sizeof(*vwdev), GFP_KERNEL); if (unlikely(!vwdev)) { WL_ERR(("Could not allocate wireless device\n")); return ERR_PTR(-ENOMEM); } vwdev->wiphy = wl->wdev->wiphy; WL_INFO((" virtual interface(%s) is created memalloc done \n", wl->p2p->vir_ifname)); vwdev->iftype = type; _ndev = wl_to_p2p_bss_ndev(wl, P2PAPI_BSSCFG_CONNECTION); _ndev->ieee80211_ptr = vwdev; SET_NETDEV_DEV(_ndev, wiphy_dev(vwdev->wiphy)); vwdev->netdev = _ndev; wl_set_drv_status(wl, READY, _ndev); wl->p2p->vif_created = true; wl_set_mode_by_netdev(wl, _ndev, mode); net_attach = wl_to_p2p_bss_private(wl, P2PAPI_BSSCFG_CONNECTION); if (rtnl_is_locked()) { rtnl_unlock(); rollback_lock = true; } if (net_attach && !net_attach(wl->pub, _ndev->ifindex)) { wl_alloc_netinfo(wl, _ndev, vwdev, mode, PM_ENABLE); val = 1; /* Disable firmware roaming for P2P interface */ wldev_iovar_setint(_ndev, "roam_off", val); WL_ERR((" virtual interface(%s) is " "created net attach done\n", wl->p2p->vir_ifname)); if (mode == WL_MODE_AP) wl_set_drv_status(wl, CONNECTED, _ndev); if (type == NL80211_IFTYPE_P2P_CLIENT) dhd_mode = DHD_FLAG_P2P_GC_MODE; else if (type == NL80211_IFTYPE_P2P_GO) dhd_mode = DHD_FLAG_P2P_GO_MODE; DNGL_FUNC(dhd_cfg80211_set_p2p_info, (wl, dhd_mode)); } else { /* put back the rtnl_lock again */ if (rollback_lock) rtnl_lock(); goto fail; } /* put back the rtnl_lock again */ if (rollback_lock) rtnl_lock(); return _ndev; } else { wl_clr_p2p_status(wl, IF_ADD); WL_ERR((" virtual interface(%s) is not created \n", wl->p2p->vir_ifname)); memset(wl->p2p->vir_ifname, '\0', IFNAMSIZ); wl->p2p->vif_created = false; #ifdef PROP_TXSTATUS_VSDB if (dhd->wlfc_enabled && wl->wlfc_on) { dhd->wlfc_enabled = false; dhd_wlfc_deinit(dhd); wl->wlfc_on = false; } #endif /* PROP_TXSTATUS_VSDB */ } } fail: if (wlif_type == WL_P2P_IF_GO) wldev_iovar_setint(_ndev, "mpc", 1); return ERR_PTR(-ENODEV); } static s32 wl_cfg80211_del_virtual_iface(struct wiphy *wiphy, struct net_device *dev) { struct ether_addr p2p_mac; struct wl_priv *wl = wiphy_priv(wiphy); s32 timeout = -1; s32 ret = 0; WL_DBG(("Enter\n")); if (wl->p2p_net == dev) { /* Since there is no ifidx corresponding to p2p0, cmds to * firmware should be routed through primary I/F */ dev = wl_to_prmry_ndev(wl); } if (wl->p2p_supported) { memcpy(p2p_mac.octet, wl->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(wl, GO_NEG_PHASE); if (wl->p2p->vif_created) { if (wl_get_drv_status(wl, SCANNING, dev)) { wl_notify_escan_complete(wl, dev, true, true); } wldev_iovar_setint(dev, "mpc", 1); /* for GC */ if (wl_get_drv_status(wl, DISCONNECTING, dev) && (wl_get_mode_by_netdev(wl, dev) != WL_MODE_AP)) { WL_ERR(("Wait for Link Down event for GC !\n")); wait_for_completion_timeout (&wl->iface_disable, msecs_to_jiffies(500)); } wl_set_p2p_status(wl, IF_DELETING); DNGL_FUNC(dhd_cfg80211_clean_p2p_info, (wl)); /* for GO */ if (wl_get_mode_by_netdev(wl, dev) == WL_MODE_AP) { wl_add_remove_eventmsg(dev, WLC_E_PROBREQ_MSG, false); /* disable interface before bsscfg free */ ret = wl_cfgp2p_ifdisable(wl, &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(&wl->iface_disable, msecs_to_jiffies(500)); } else { msleep(300); } } wl_cfgp2p_clear_management_ie(wl, wl_cfgp2p_find_idx(wl, dev)); /* delete interface after link down */ ret = wl_cfgp2p_ifdel(wl, &p2p_mac); /* Firmware could not delete the interface so we will not get WLC_E_IF * event for cleaning the dhd virtual nw interace * So lets do it here. Failures from fw will ensure the application to do * ifconfig down and up sequnce, which will reload the fw * however we should cleanup the linux network virtual interfaces */ /* Request framework to RESET and clean up */ if (ret) { struct net_device *ndev = wl_to_prmry_ndev(wl); WL_ERR(("Firmware returned an error (%d) from p2p_ifdel" "HANG Notification sent to %s\n", ret, ndev->name)); net_os_send_hang_message(ndev); } /* Wait for IF_DEL operation to be finished in firmware */ timeout = wait_event_interruptible_timeout(wl->netif_change_event, (wl->p2p->vif_created == false), msecs_to_jiffies(MAX_WAIT_TIME)); if (timeout > 0 && (wl->p2p->vif_created == false)) { WL_DBG(("IFDEL operation done\n")); } else { WL_ERR(("IFDEL didn't complete properly\n")); } ret = dhd_del_monitor(dev); } } return ret; } static s32 wl_cfg80211_change_virtual_iface(struct wiphy *wiphy, struct net_device *ndev, enum nl80211_iftype type, u32 *flags, struct vif_params *params) { s32 ap = 0; s32 infra = 0; s32 wlif_type; s32 mode = 0; chanspec_t chspec; struct wl_priv *wl = wiphy_priv(wiphy); dhd_pub_t *dhd = (dhd_pub_t *)(wl->pub); WL_DBG(("Enter type %d\n", type)); switch (type) { case NL80211_IFTYPE_MONITOR: case NL80211_IFTYPE_WDS: case NL80211_IFTYPE_MESH_POINT: ap = 1; WL_ERR(("type (%d) : currently we do not support this type\n", type)); break; case NL80211_IFTYPE_ADHOC: mode = WL_MODE_IBSS; 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(wl, ndev, mode); if (wl->p2p_supported && wl->p2p->vif_created) { WL_DBG(("p2p_vif_created (%d) p2p_on (%d)\n", wl->p2p->vif_created, p2p_on(wl))); wldev_iovar_setint(ndev, "mpc", 0); wl_notify_escan_complete(wl, 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(wl, IF_CHANGING); wl_clr_p2p_status(wl, IF_CHANGED); wl_cfgp2p_ifchange(wl, &wl->p2p->int_addr, htod32(wlif_type), chspec); wait_event_interruptible_timeout(wl->netif_change_event, (wl_get_p2p_status(wl, IF_CHANGED) == true), msecs_to_jiffies(MAX_WAIT_TIME)); wl_set_mode_by_netdev(wl, ndev, mode); dhd->op_mode &= ~DHD_FLAG_P2P_GC_MODE; dhd->op_mode |= DHD_FLAG_P2P_GO_MODE; wl_clr_p2p_status(wl, IF_CHANGING); wl_clr_p2p_status(wl, IF_CHANGED); if (mode == WL_MODE_AP) wl_set_drv_status(wl, CONNECTED, ndev); } else if (ndev == wl_to_prmry_ndev(wl) && !wl_get_drv_status(wl, AP_CREATED, ndev)) { wl_set_drv_status(wl, AP_CREATING, ndev); if (!wl->ap_info && !(wl->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")); } ndev->ieee80211_ptr->iftype = type; return 0; } s32 wl_cfg80211_notify_ifadd(struct net_device *ndev, s32 idx, s32 bssidx, void* _net_attach) { struct wl_priv *wl = wlcfg_drv_priv; s32 ret = BCME_OK; WL_DBG(("Enter")); if (!ndev) { WL_ERR(("net is NULL\n")); return 0; } if (wl->p2p_supported && wl_get_p2p_status(wl, IF_ADD)) { WL_DBG(("IF_ADD event called from dongle, old interface name: %s," "new name: %s\n", ndev->name, wl->p2p->vir_ifname)); /* Assign the net device to CONNECT BSSCFG */ strncpy(ndev->name, wl->p2p->vir_ifname, IFNAMSIZ - 1); wl_to_p2p_bss_ndev(wl, P2PAPI_BSSCFG_CONNECTION) = ndev; wl_to_p2p_bss_bssidx(wl, P2PAPI_BSSCFG_CONNECTION) = bssidx; wl_to_p2p_bss_private(wl, P2PAPI_BSSCFG_CONNECTION) = _net_attach; ndev->ifindex = idx; wl_clr_p2p_status(wl, IF_ADD); wake_up_interruptible(&wl->netif_change_event); } else { ret = BCME_NOTREADY; } return ret; } s32 wl_cfg80211_notify_ifdel(void) { struct wl_priv *wl = wlcfg_drv_priv; WL_DBG(("Enter \n")); wl_clr_p2p_status(wl, IF_DELETING); wake_up_interruptible(&wl->netif_change_event); return 0; } s32 wl_cfg80211_ifdel_ops(struct net_device *ndev) { struct wl_priv *wl = wlcfg_drv_priv; bool rollback_lock = false; s32 index = 0; #ifdef PROP_TXSTATUS_VSDB dhd_pub_t *dhd = (dhd_pub_t *)(wl->pub); #endif /* PROP_TXSTATUS_VSDB */ if (!ndev || (strlen(ndev->name) == 0)) { WL_ERR(("net is NULL\n")); return 0; } if (p2p_is_on(wl) && wl->p2p->vif_created && wl_get_p2p_status(wl, IF_DELETING)) { if (wl->scan_request && (wl->escan_info.ndev == ndev)) { /* Abort any pending scan requests */ wl->escan_info.escan_state = WL_ESCAN_STATE_IDLE; if (!rtnl_is_locked()) { rtnl_lock(); rollback_lock = true; } WL_DBG(("ESCAN COMPLETED\n")); wl_notify_escan_complete(wl, ndev, true, false); if (rollback_lock) rtnl_unlock(); } WL_ERR(("IF_DEL event called from dongle, net %x, vif name: %s\n", (unsigned int)ndev, wl->p2p->vir_ifname)); memset(wl->p2p->vir_ifname, '\0', IFNAMSIZ); index = wl_cfgp2p_find_idx(wl, ndev); wl_to_p2p_bss_ndev(wl, index) = NULL; wl_to_p2p_bss_bssidx(wl, index) = WL_INVALID; wl->p2p->vif_created = false; WL_DBG(("index : %d\n", index)); #ifdef PROP_TXSTATUS_VSDB if (dhd->wlfc_enabled && wl->wlfc_on) { dhd->wlfc_enabled = false; dhd_wlfc_deinit(dhd); wl->wlfc_on = false; } #endif /* PROP_TXSTATUS_VSDB */ wl_clr_drv_status(wl, CONNECTED, ndev); } /* Wake up any waiting thread */ wake_up_interruptible(&wl->netif_change_event); return 0; } s32 wl_cfg80211_is_progress_ifadd(void) { s32 is_progress = 0; struct wl_priv *wl = wlcfg_drv_priv; if (wl_get_p2p_status(wl, IF_ADD)) is_progress = 1; return is_progress; } s32 wl_cfg80211_is_progress_ifchange(void) { s32 is_progress = 0; struct wl_priv *wl = wlcfg_drv_priv; if (wl_get_p2p_status(wl, IF_CHANGING)) is_progress = 1; return is_progress; } s32 wl_cfg80211_notify_ifchange(void) { struct wl_priv *wl = wlcfg_drv_priv; if (wl_get_p2p_status(wl, IF_CHANGING)) { wl_set_p2p_status(wl, IF_CHANGED); wake_up_interruptible(&wl->netif_change_event); } return 0; } /* Find listen channel */ static s32 wl_find_listen_channel(struct wl_priv *wl, u8 *ie, u32 ie_len) { wifi_p2p_ie_t *p2p_ie; u8 *end, *pos; s32 listen_channel; p2p_ie = wl_cfgp2p_find_p2pie(ie, 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 wl_priv *wl = wlcfg_drv_priv; memcpy(¶ms->bssid, ðer_bcast, ETHER_ADDR_LEN); params->bss_type = DOT11_BSSTYPE_ANY; params->scan_type = 0; params->nprobes = -1; params->active_time = -1; params->passive_time = -1; params->home_time = -1; params->channel_num = 0; memset(¶ms->ssid, 0, sizeof(wlc_ssid_t)); WL_SCAN(("Preparing Scan request\n")); WL_SCAN(("nprobes=%d\n", params->nprobes)); WL_SCAN(("active_time=%d\n", params->active_time)); WL_SCAN(("passive_time=%d\n", params->passive_time)); WL_SCAN(("home_time=%d\n", params->home_time)); WL_SCAN(("scan_type=%d\n", params->scan_type)); params->nprobes = htod32(params->nprobes); params->active_time = htod32(params->active_time); params->passive_time = htod32(params->passive_time); params->home_time = htod32(params->home_time); /* if request is null just exit so it will be all channel broadcast scan */ if (!request) return; n_ssids = request->n_ssids; n_channels = request->n_channels; /* Copy channel array if applicable */ WL_SCAN(("### List of channelspecs to scan ###\n")); if (n_channels > 0) { for (i = 0; i < n_channels; i++) { chanspec = 0; channel = ieee80211_frequency_to_channel(request->channels[i]->center_freq); /* SKIP DFS channels for Secondary interface */ if ((wl->escan_info.ndev != wl_to_prmry_ndev(wl)) && (request->channels[i]->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_PASSIVE_SCAN))) continue; if (request->channels[i]->band == IEEE80211_BAND_2GHZ) { #ifdef WL_HOST_BAND_MGMT if (wl->curr_band == WLC_BAND_5G) { WL_DBG(("In 5G only mode, omit 2G channel:%d\n", channel)); continue; } #endif /* WL_HOST_BAND_MGMT */ chanspec |= WL_CHANSPEC_BAND_2G; } else { #ifdef WL_HOST_BAND_MGMT if (wl->curr_band == WLC_BAND_2G) { WL_DBG(("In 2G only mode, omit 5G channel:%d\n", channel)); continue; } #endif /* WL_HOST_BAND_MGMT */ chanspec |= WL_CHANSPEC_BAND_5G; } chanspec |= WL_CHANSPEC_BW_20; chanspec |= WL_CHANSPEC_CTL_SB_NONE; params->channel_list[j] = channel; params->channel_list[j] &= WL_CHANSPEC_CHAN_MASK; params->channel_list[j] |= chanspec; WL_SCAN(("Chan : %d, Channel spec: %x \n", channel, params->channel_list[j])); params->channel_list[j] = wl_chspec_host_to_driver(params->channel_list[j]); j++; } } else { WL_SCAN(("Scanning all channels\n")); } n_channels = j; /* Copy ssid array if applicable */ WL_SCAN(("### List of SSIDs to scan ###\n")); if (n_ssids > 0) { offset = offsetof(wl_scan_params_t, channel_list) + n_channels * sizeof(u16); offset = roundup(offset, sizeof(u32)); ptr = (char*)params + offset; for (i = 0; i < n_ssids; i++) { memset(&ssid, 0, sizeof(wlc_ssid_t)); ssid.SSID_len = request->ssids[i].ssid_len; memcpy(ssid.SSID, request->ssids[i].ssid, ssid.SSID_len); if (!ssid.SSID_len) WL_SCAN(("%d: Broadcast scan\n", i)); else WL_SCAN(("%d: scan for %s size =%d\n", i, ssid.SSID, ssid.SSID_len)); memcpy(ptr, &ssid, sizeof(wlc_ssid_t)); ptr += sizeof(wlc_ssid_t); } } else { WL_SCAN(("Broadcast scan\n")); } /* Adding mask to channel numbers */ params->channel_num = htod32((n_ssids << WL_SCAN_PARAMS_NSSID_SHIFT) | (n_channels & WL_SCAN_PARAMS_COUNT_MASK)); if (n_channels == 1 && wl_get_drv_status_all(wl, CONNECTED)) { params->active_time = WL_SCAN_CONNECT_DWELL_TIME_MS; } } static s32 wl_run_iscan(struct wl_iscan_ctrl *iscan, struct cfg80211_scan_request *request, u16 action) { u32 n_channels; u32 n_ssids; s32 params_size = (WL_SCAN_PARAMS_FIXED_SIZE + offsetof(wl_iscan_params_t, params)); struct wl_iscan_params *params = NULL; s32 err = 0; if (request != NULL) { n_channels = request->n_channels; n_ssids = request->n_ssids; /* Allocate space for populating ssids in wl_iscan_params struct */ 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_iscan_params struct */ params_size += sizeof(struct wlc_ssid) * n_ssids; } params = (struct wl_iscan_params *)kzalloc(params_size, GFP_KERNEL); if (!params) { err = -ENOMEM; goto done; } wl_scan_prep(¶ms->params, request); params->version = htod32(ISCAN_REQ_VERSION); params->action = htod16(action); params->scan_duration = htod16(0); if (params_size + sizeof("iscan") >= WLC_IOCTL_MEDLEN) { WL_ERR(("ioctl buffer length is not sufficient\n")); err = -ENOMEM; goto done; } err = wldev_iovar_setbuf(iscan->dev, "iscan", params, params_size, iscan->ioctl_buf, WLC_IOCTL_MEDLEN, NULL); if (unlikely(err)) { if (err == -EBUSY) { WL_ERR(("system busy : iscan canceled\n")); } else { WL_ERR(("error (%d)\n", err)); } } done: if (params) kfree(params); return err; } static s32 wl_do_iscan(struct wl_priv *wl, struct cfg80211_scan_request *request) { struct wl_iscan_ctrl *iscan = wl_to_iscan(wl); struct net_device *ndev = wl_to_prmry_ndev(wl); s32 passive_scan; s32 err = 0; iscan->state = WL_ISCAN_STATE_SCANING; passive_scan = wl->active_scan ? 0 : 1; err = wldev_ioctl(ndev, WLC_SET_PASSIVE_SCAN, &passive_scan, sizeof(passive_scan), true); if (unlikely(err)) { WL_DBG(("error (%d)\n", err)); return err; } wl->iscan_kickstart = true; wl_run_iscan(iscan, request, WL_SCAN_ACTION_START); mod_timer(&iscan->timer, jiffies + msecs_to_jiffies(iscan->timer_ms)); iscan->timer_on = 1; return err; } 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; } static s32 wl_run_escan(struct wl_priv *wl, struct net_device *ndev, struct cfg80211_scan_request *request, uint16 action) { s32 err = BCME_OK; u32 n_channels; u32 n_ssids; s32 params_size = (WL_SCAN_PARAMS_FIXED_SIZE + OFFSETOF(wl_escan_params_t, params)); wl_escan_params_t *params = NULL; u8 chan_buf[sizeof(u32)*(WL_NUMCHANNELS + 1)]; u32 num_chans = 0; s32 channel; s32 n_valid_chan; s32 search_state = WL_P2P_DISC_ST_SCAN; u32 i, j, n_nodfs = 0; u16 *default_chan_list = NULL; wl_uint32_list_t *list; struct net_device *dev = NULL; static int cnt = 0; WL_DBG(("Enter \n")); if (!wl) { err = -EINVAL; goto exit; } if (!wl->p2p_supported || !p2p_scan(wl)) { /* LEGACY SCAN TRIGGER */ WL_SCAN((" LEGACY E-SCAN START\n")); /* if scan request is not empty parse scan request paramters */ if (request != NULL) { n_channels = request->n_channels; n_ssids = request->n_ssids; /* Allocate space for populating ssids in wl_iscan_params struct */ 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_iscan_params 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); params->version = htod32(ESCAN_REQ_VERSION); params->action = htod16(action); params->sync_id = htod16(0x1234); 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, wl->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(wl) && p2p_scan(wl)) { /* P2P SCAN TRIGGER */ s32 _freq = 0; n_nodfs = 0; if (request && request->n_channels) { num_chans = request->n_channels; WL_SCAN((" chann number : %d\n", num_chans)); default_chan_list = kzalloc(num_chans * sizeof(*default_chan_list), GFP_KERNEL); if (default_chan_list == NULL) { WL_ERR(("channel list allocation failed \n")); err = -ENOMEM; goto exit; } if (!wl_get_valid_channels(ndev, chan_buf, sizeof(chan_buf))) { list = (wl_uint32_list_t *) chan_buf; n_valid_chan = dtoh32(list->count); for (i = 0; i < num_chans; i++) { #ifdef WL_HOST_BAND_MGMT int channel_band = 0; #endif /* WL_HOST_BAND_MGMT */ _freq = request->channels[i]->center_freq; channel = ieee80211_frequency_to_channel(_freq); #ifdef WL_HOST_BAND_MGMT channel_band = (channel > CH_MAX_2G_CHANNEL) ? WLC_BAND_5G : WLC_BAND_2G; if ((wl->curr_band != WLC_BAND_AUTO) && (wl->curr_band != channel_band) && !IS_P2P_SOCIAL_CHANNEL(channel)) continue; #endif /* WL_HOST_BAND_MGMT */ /* ignore DFS channels */ if (request->channels[i]->flags & (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_PASSIVE_SCAN)) continue; for (j = 0; j < n_valid_chan; j++) { /* allows only supported channel on * current reguatory */ if (channel == (dtoh32(list->element[j]))) default_chan_list[n_nodfs++] = channel; } } } if (num_chans == 3 && ( (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; WL_INFO(("P2P SEARCH PHASE START \n")); } else if ((dev = wl_to_p2p_bss_ndev(wl, P2PAPI_BSSCFG_CONNECTION)) && (wl_get_mode_by_netdev(wl, dev) == WL_MODE_AP)) { /* If you are already a GO, then do SEARCH only */ WL_INFO(("Already a GO. Do SEARCH Only")); search_state = WL_P2P_DISC_ST_SEARCH; num_chans = n_nodfs; } else { WL_INFO(("P2P SCAN STATE START \n")); num_chans = n_nodfs; } } err = wl_cfgp2p_escan(wl, ndev, wl->active_scan, num_chans, default_chan_list, search_state, action, wl_to_p2p_bss_bssidx(wl, P2PAPI_BSSCFG_DEVICE)); kfree(default_chan_list); } exit: if (unlikely(err)) { /* Don't print Error incase of Scan suppress */ if ((err == BCME_EPERM) && wl->scan_suppressed) WL_DBG(("Escan failed: Scan Suppressed \n")); else { WL_ERR(("error (%d)\n", err)); // terence 20130721: send hang event to wpa_supplicant cnt++; if (cnt > 2) { WL_ERR(("Send hang event\n")); net_os_send_hang_message(ndev); cnt = 0; } } } else { cnt = 0; } return err; } static s32 wl_do_escan(struct wl_priv *wl, struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_scan_request *request) { s32 err = BCME_OK; s32 passive_scan; wl_scan_results_t *results; WL_SCAN(("Enter \n")); mutex_lock(&wl->usr_sync); results = (wl_scan_results_t *) wl->escan_info.escan_buf; results->version = 0; results->count = 0; results->buflen = WL_SCAN_RESULTS_FIXED_SIZE; wl->escan_info.ndev = ndev; wl->escan_info.wiphy = wiphy; wl->escan_info.escan_state = WL_ESCAN_STATE_SCANING; passive_scan = wl->active_scan ? 0 : 1; err = wldev_ioctl(ndev, WLC_SET_PASSIVE_SCAN, &passive_scan, sizeof(passive_scan), true); if (unlikely(err)) { WL_ERR(("error (%d)\n", err)); goto exit; } err = wl_run_escan(wl, ndev, request, WL_SCAN_ACTION_START); exit: mutex_unlock(&wl->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 wl_priv *wl = wiphy_priv(wiphy); struct cfg80211_ssid *ssids; struct wl_scan_req *sr = wl_to_sr(wl); struct ether_addr primary_mac; s32 passive_scan; bool iscan_req; bool escan_req = false; bool p2p_ssid; #ifdef WL11U bcm_tlv_t *interworking_ie; u32 ie_len; #endif s32 err = 0; s32 bssidx = -1; s32 i; unsigned long flags; static s32 busy_count = 0; /* If scan req comes for p2p0, send it over primary I/F * Scan results will be delivered corresponding to cfg80211_scan_request */ if (ndev == wl->p2p_net) { ndev = wl_to_prmry_ndev(wl); } if (WL_DRV_STATUS_SENDING_AF_FRM_EXT(wl)) { WL_ERR(("Sending Action Frames. Try it again.\n")); return -EAGAIN; } WL_DBG(("Enter wiphy (%p)\n", wiphy)); if (wl_get_drv_status_all(wl, SCANNING)) { if (wl->scan_request == NULL) { wl_clr_drv_status_all(wl, SCANNING); WL_DBG(("<<<<<<<<<<>>>>>>>>>>\n")); } else { WL_ERR(("Scanning already\n")); return -EAGAIN; } } if (wl_get_drv_status(wl, 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 if (wl_get_drv_status_all(wl, REMAINING_ON_CHANNEL)) { WL_DBG(("Remain_on_channel bit is set, somehow it didn't get cleared\n")); wl_notify_escan_complete(wl, ndev, true, true); } #endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ /* Arm scan timeout timer */ mod_timer(&wl->scan_timeout, jiffies + msecs_to_jiffies(WL_SCAN_TIMER_INTERVAL_MS)); iscan_req = false; if (request) { /* scan bss */ ssids = request->ssids; if (wl->iscan_on && (!ssids || !ssids->ssid_len || request->n_ssids != 1)) { iscan_req = true; } else if (wl->escan_on) { escan_req = true; p2p_ssid = false; for (i = 0; i < request->n_ssids; i++) { if (ssids[i].ssid_len && IS_P2P_SSID(ssids[i].ssid, ssids[i].ssid_len)) { p2p_ssid = true; break; } } if (p2p_ssid) { if (wl->p2p_supported) { /* p2p scan trigger */ if (p2p_on(wl) == false) { /* p2p on at the first time */ p2p_on(wl) = true; wl_cfgp2p_set_firm_p2p(wl); get_primary_mac(wl, &primary_mac); wl_cfgp2p_generate_bss_mac(&primary_mac, &wl->p2p->dev_addr, &wl->p2p->int_addr); } wl_clr_p2p_status(wl, GO_NEG_PHASE); WL_DBG(("P2P: GO_NEG_PHASE status cleared \n")); p2p_scan(wl) = true; } } else { /* legacy scan trigger * So, we have to disable p2p discovery if p2p discovery is on */ if (wl->p2p_supported) { p2p_scan(wl) = false; /* If Netdevice is not equals to primary and p2p is on * , we will do p2p scan using P2PAPI_BSSCFG_DEVICE. */ if (p2p_scan(wl) == false) { if (wl_get_p2p_status(wl, DISCOVERY_ON)) { err = wl_cfgp2p_discover_enable_search(wl, false); if (unlikely(err)) { goto scan_out; } } } } if (!wl->p2p_supported || !p2p_scan(wl)) { bssidx = wl_cfgp2p_find_idx(wl, ndev); #ifdef WL11U if ((interworking_ie = wl_cfg80211_find_interworking_ie( (u8 *)request->ie, request->ie_len)) != NULL) { ie_len = interworking_ie->len; err = wl_cfg80211_add_iw_ie(wl, ndev, bssidx, VNDR_IE_CUSTOM_FLAG, interworking_ie->id, interworking_ie->data, interworking_ie->len); if (unlikely(err)) { goto scan_out; } } else if (wl->iw_ie_len != 0) { /* we have to clear IW IE and disable gratuitous APR */ wl_cfg80211_add_iw_ie(wl, ndev, bssidx, VNDR_IE_CUSTOM_FLAG, DOT11_MNG_INTERWORKING_ID, 0, 0); wldev_iovar_setint_bsscfg(ndev, "grat_arp", 0, bssidx); /* we don't care about error */ } #endif /* WL11U */ err = wl_cfgp2p_set_management_ie(wl, ndev, bssidx, VNDR_IE_PRBREQ_FLAG, (u8 *)request->ie, request->ie_len); if (unlikely(err)) { goto scan_out; } } } } } else { /* scan in ibss */ /* we don't do iscan in ibss */ ssids = this_ssid; } wl->scan_request = request; wl_set_drv_status(wl, SCANNING, ndev); if (iscan_req) { err = wl_do_iscan(wl, request); if (likely(!err)) goto scan_success; else goto scan_out; } else if (escan_req) { if (wl->p2p_supported) { if (p2p_on(wl) && p2p_scan(wl)) { /* find my listen channel */ wl->afx_hdl->my_listen_chan = wl_find_listen_channel(wl, (u8 *)request->ie, request->ie_len); err = wl_cfgp2p_enable_discovery(wl, ndev, request->ie, request->ie_len); if (unlikely(err)) { goto scan_out; } } } err = wl_do_escan(wl, wiphy, ndev, request); if (likely(!err)) goto scan_success; else goto scan_out; } else { memset(&sr->ssid, 0, sizeof(sr->ssid)); sr->ssid.SSID_len = min_t(u8, sizeof(sr->ssid.SSID), ssids->ssid_len); if (sr->ssid.SSID_len) { memcpy(sr->ssid.SSID, ssids->ssid, sr->ssid.SSID_len); sr->ssid.SSID_len = htod32(sr->ssid.SSID_len); WL_SCAN(("Specific scan ssid=\"%s\" len=%d\n", sr->ssid.SSID, sr->ssid.SSID_len)); } else { WL_SCAN(("Broadcast scan\n")); } WL_SCAN(("sr->ssid.SSID_len (%d)\n", sr->ssid.SSID_len)); passive_scan = wl->active_scan ? 0 : 1; err = wldev_ioctl(ndev, WLC_SET_PASSIVE_SCAN, &passive_scan, sizeof(passive_scan), true); if (unlikely(err)) { WL_SCAN(("WLC_SET_PASSIVE_SCAN error (%d)\n", err)); goto scan_out; } err = wldev_ioctl(ndev, WLC_SCAN, &sr->ssid, sizeof(sr->ssid), false); if (err) { if (err == -EBUSY) { WL_ERR(("system busy : scan for \"%s\" " "canceled\n", sr->ssid.SSID)); } else { WL_ERR(("WLC_SCAN error (%d)\n", err)); } goto scan_out; } } scan_success: busy_count = 0; return 0; scan_out: if (err == BCME_BUSY || err == BCME_NOTREADY) { WL_ERR(("Scan err = (%d), busy?%d", err, -EBUSY)); err = -EBUSY; } #define SCAN_EBUSY_RETRY_LIMIT 10 if (err == -EBUSY) { if (busy_count++ > SCAN_EBUSY_RETRY_LIMIT) { struct ether_addr bssid; s32 ret = 0; busy_count = 0; WL_ERR(("Unusual continuous EBUSY error, %d %d %d %d %d %d %d %d %d\n", wl_get_drv_status(wl, SCANNING, ndev), wl_get_drv_status(wl, SCAN_ABORTING, ndev), wl_get_drv_status(wl, CONNECTING, ndev), wl_get_drv_status(wl, CONNECTED, ndev), wl_get_drv_status(wl, DISCONNECTING, ndev), wl_get_drv_status(wl, AP_CREATING, ndev), wl_get_drv_status(wl, AP_CREATED, ndev), wl_get_drv_status(wl, SENDING_ACT_FRM, ndev), wl_get_drv_status(wl, 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_disconnect(wiphy, ndev, DOT11_RC_DISASSOC_LEAVING); } } else { busy_count = 0; } wl_clr_drv_status(wl, SCANNING, ndev); if (timer_pending(&wl->scan_timeout)) del_timer_sync(&wl->scan_timeout); spin_lock_irqsave(&wl->cfgdrv_lock, flags); wl->scan_request = NULL; spin_unlock_irqrestore(&wl->cfgdrv_lock, flags); return err; } static s32 wl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, struct cfg80211_scan_request *request) { s32 err = 0; struct wl_priv *wl = wiphy_priv(wiphy); WL_DBG(("Enter \n")); CHECK_SYS_UP(wl); err = __wl_cfg80211_scan(wiphy, ndev, request, NULL); if (unlikely(err)) { if ((err == BCME_EPERM) && wl->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 wl_priv *wl = (struct wl_priv *)wiphy_priv(wiphy); struct net_device *ndev = wl_to_prmry_ndev(wl); s32 err = 0; CHECK_SYS_UP(wl); WL_DBG(("Enter\n")); if (changed & WIPHY_PARAM_RTS_THRESHOLD && (wl->conf->rts_threshold != wiphy->rts_threshold)) { wl->conf->rts_threshold = wiphy->rts_threshold; err = wl_set_rts(ndev, wl->conf->rts_threshold); if (!err) return err; } if (changed & WIPHY_PARAM_FRAG_THRESHOLD && (wl->conf->frag_threshold != wiphy->frag_threshold)) { wl->conf->frag_threshold = wiphy->frag_threshold; err = wl_set_frag(ndev, wl->conf->frag_threshold); if (!err) return err; } if (changed & WIPHY_PARAM_RETRY_LONG && (wl->conf->retry_long != wiphy->retry_long)) { wl->conf->retry_long = wiphy->retry_long; err = wl_set_retry(ndev, wl->conf->retry_long, true); if (!err) return err; } if (changed & WIPHY_PARAM_RETRY_SHORT && (wl->conf->retry_short != wiphy->retry_short)) { wl->conf->retry_short = wiphy->retry_short; err = wl_set_retry(ndev, wl->conf->retry_short, false); if (!err) { return err; } } return err; } static s32 wl_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_ibss_params *params) { struct wl_priv *wl = wiphy_priv(wiphy); struct cfg80211_bss *bss; struct ieee80211_channel *chan; struct wl_join_params join_params; struct cfg80211_ssid ssid; s32 scan_retry = 0; s32 err = 0; bool rollback_lock = false; WL_TRACE(("In\n")); CHECK_SYS_UP(wl); if (params->bssid) { WL_ERR(("Invalid bssid\n")); return -EOPNOTSUPP; } bss = cfg80211_get_ibss(wiphy, NULL, params->ssid, params->ssid_len); if (!bss) { 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); /* to allow scan_inform to propagate to cfg80211 plane */ if (rtnl_is_locked()) { rtnl_unlock(); rollback_lock = true; } /* wait 4 secons till scan done.... */ schedule_timeout_interruptible(msecs_to_jiffies(4000)); if (rollback_lock) rtnl_lock(); bss = cfg80211_get_ibss(wiphy, NULL, params->ssid, params->ssid_len); } if (bss) { wl->ibss_starter = false; WL_DBG(("Found IBSS\n")); } else { wl->ibss_starter = true; } chan = params->channel; if (chan) wl->channel = ieee80211_frequency_to_channel(chan->center_freq); /* * 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); else memset(&join_params.params.bssid, 0, ETHER_ADDR_LEN); err = wldev_ioctl(dev, WLC_SET_SSID, &join_params, sizeof(join_params), true); if (unlikely(err)) { WL_ERR(("Error (%d)\n", err)); return err; } return err; } static s32 wl_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) { struct wl_priv *wl = wiphy_priv(wiphy); s32 err = 0; CHECK_SYS_UP(wl); wl_link_down(wl); return err; } static s32 wl_set_wpa_version(struct net_device *dev, struct cfg80211_connect_params *sme) { struct wl_priv *wl = wlcfg_drv_priv; struct wl_security *sec; s32 val = 0; s32 err = 0; s32 bssidx = wl_cfgp2p_find_idx(wl, dev); 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; #ifdef BCMWAPI_WPI if (sme->crypto.wpa_versions & NL80211_WAPI_VERSION_1) { WL_DBG((" * wl_set_wpa_version, set wpa_auth" " to WPA_AUTH_WAPI 0x400")); val = WAPI_AUTH_PSK; /* | WAPI_AUTH_UNSPECIFIED; */ } #endif 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(wl, dev, WL_PROF_SEC); sec->wpa_versions = sme->crypto.wpa_versions; return err; } #ifdef BCMWAPI_WPI static s32 wl_set_set_wapi_ie(struct net_device *dev, struct cfg80211_connect_params *sme) { struct wl_priv *wl = wlcfg_drv_priv; s32 err = 0; s32 bssidx = wl_cfgp2p_find_idx(wl, dev); WL_DBG((" %s \n", __FUNCTION__)); if (sme->crypto.wpa_versions & NL80211_WAPI_VERSION_1) { err = wldev_iovar_setbuf_bsscfg(dev, "wapiie", sme->ie, sme->ie_len, wl->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &wl->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("===> set_wapi_ie Error (%d)\n", err)); return err; } } else WL_DBG((" * skip \n")); return err; } #endif /* BCMWAPI_WPI */ static s32 wl_set_auth_type(struct net_device *dev, struct cfg80211_connect_params *sme) { struct wl_priv *wl = wlcfg_drv_priv; struct wl_security *sec; s32 val = 0; s32 err = 0; s32 bssidx = wl_cfgp2p_find_idx(wl, dev); 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 = WL_AUTH_OPEN_SHARED; 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(wl, 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 wl_priv *wl = wlcfg_drv_priv; struct wl_security *sec; s32 pval = 0; s32 gval = 0; s32 err = 0; #ifdef BCMWAPI_WPI s32 val = 0; #endif s32 bssidx = wl_cfgp2p_find_idx(wl, dev); 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: pval = AES_ENABLED; break; case WLAN_CIPHER_SUITE_AES_CMAC: pval = AES_ENABLED; break; #ifdef BCMWAPI_WPI case WLAN_CIPHER_SUITE_SMS4: val = SMS4_ENABLED; pval = SMS4_ENABLED; break; #endif 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; #ifdef BCMWAPI_WPI case WLAN_CIPHER_SUITE_SMS4: val = SMS4_ENABLED; gval = SMS4_ENABLED; break; #endif default: WL_ERR(("invalid cipher group (%d)\n", sme->crypto.cipher_group)); return -EINVAL; } } WL_DBG(("pval (%d) gval (%d)\n", pval, gval)); if (is_wps_conn(sme)) { if (sme->privacy) err = wldev_iovar_setint_bsscfg(dev, "wsec", 4, bssidx); #ifdef BCMWAPI_WPI else if (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_SMS4) { WL_DBG((" NO, is_wps_conn, WAPI set to SMS4_ENABLED")); err = wldev_iovar_setint_bsscfg(dev, "wsec", val, bssidx); } #endif 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")); err = wldev_iovar_setint_bsscfg(dev, "wsec", pval | gval, bssidx); } if (unlikely(err)) { WL_ERR(("error (%d)\n", err)); return err; } sec = wl_read_prof(wl, 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 wl_priv *wl = wlcfg_drv_priv; struct wl_security *sec; s32 val = 0; s32 err = 0; s32 bssidx = wl_cfgp2p_find_idx(wl, dev); 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; case WLAN_AKM_SUITE_PSK: val = WPA2_AUTH_PSK; break; default: WL_ERR(("invalid cipher group (%d)\n", sme->crypto.cipher_group)); return -EINVAL; } } #ifdef BCMWAPI_WPI else if (val & (WAPI_AUTH_PSK | WAPI_AUTH_UNSPECIFIED)) { switch (sme->crypto.akm_suites[0]) { case WLAN_AKM_SUITE_WAPI_CERT: val = WAPI_AUTH_UNSPECIFIED; break; case WLAN_AKM_SUITE_WAPI_PSK: val = WAPI_AUTH_PSK; break; default: WL_ERR(("invalid cipher group (%d)\n", sme->crypto.cipher_group)); return -EINVAL; } } #endif 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(wl, 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 wl_priv *wl = wlcfg_drv_priv; struct wl_security *sec; struct wl_wsec_key key; s32 val; s32 err = 0; s32 bssidx = wl_cfgp2p_find_idx(wl, dev); WL_DBG(("key len (%d)\n", sme->key_len)); if (sme->key_len) { sec = wl_read_prof(wl, dev, WL_PROF_SEC); WL_DBG(("wpa_versions 0x%x cipher_pairwise 0x%x\n", sec->wpa_versions, sec->cipher_pairwise)); if (!(sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2 #ifdef BCMWAPI_WPI | NL80211_WAPI_VERSION_1 #endif )) && (sec->cipher_pairwise & (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104 #ifdef BCMWAPI_WPI | WLAN_CIPHER_SUITE_SMS4 #endif ))) { 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; #ifdef BCMWAPI_WPI case WLAN_CIPHER_SUITE_SMS4: key.algo = CRYPTO_ALGO_SMS4; break; #endif 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), wl->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &wl->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; } #ifdef ESCAN_RESULT_PATCH static u8 connect_req_bssid[6]; static u8 broad_bssid[6]; #endif static s32 wl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_connect_params *sme) { struct wl_priv *wl = 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; 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; int ret; WL_DBG(("In\n")); if (unlikely(!sme->ssid)) { WL_ERR(("Invalid ssid\n")); return -EOPNOTSUPP; } CHECK_SYS_UP(wl); /* * Cancel ongoing scan to sync up with sme state machine of cfg80211. */ #if !defined(ESCAN_RESULT_PATCH) if (wl->scan_request) { wl_notify_escan_complete(wl, dev, true, true); } #endif #ifdef 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 bzero(&bssid, sizeof(bssid)); if (!wl_get_drv_status(wl, CONNECTED, dev)&& (ret = wldev_ioctl(dev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN, false)) == 0) { if (!ETHER_ISNULLADDR(&bssid)) { scb_val_t scbval; wl_set_drv_status(wl, 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(wl, DISCONNECTING, dev); WL_ERR(("error (%d)\n", err)); return err; } while (wl_get_drv_status(wl, DISCONNECTING, dev)) { WL_ERR(("Waiting for disconnection terminated.\n")); msleep(20); } } else WL_DBG(("Currently not associated!\n")); } /* Clean BSSID */ bzero(&bssid, sizeof(bssid)); if (!wl_get_drv_status(wl, DISCONNECTING, dev)) wl_update_prof(wl, dev, NULL, (void *)&bssid, WL_PROF_BSSID); if (p2p_is_on(wl) && (dev != wl_to_prmry_ndev(wl))) { /* we only allow to connect using virtual interface in case of P2P */ wl_cfgp2p_set_management_ie(wl, dev, wl_cfgp2p_find_idx(wl, dev), VNDR_IE_ASSOCREQ_FLAG, sme->ie, sme->ie_len); } else if (dev == wl_to_prmry_ndev(wl)) { /* find the RSN_IE */ if ((wpa2_ie = bcm_parse_tlvs((u8 *)sme->ie, sme->ie_len, DOT11_MNG_RSN_ID)) != NULL) { WL_DBG((" WPA2 IE is found\n")); } /* find the WPA_IE */ if ((wpa_ie = wl_cfgp2p_find_wpaie((u8 *)sme->ie, sme->ie_len)) != NULL) { WL_DBG((" WPA IE is found\n")); } if (wpa_ie != NULL || wpa2_ie != NULL) { wpaie = (wpa_ie != NULL) ? (u8 *)wpa_ie : (u8 *)wpa2_ie; wpaie_len = (wpa_ie != NULL) ? wpa_ie->length : wpa2_ie->len; wpaie_len += WPA_RSN_IE_TAG_FIXED_LEN; wldev_iovar_setbuf(dev, "wpaie", wpaie, wpaie_len, wl->ioctl_buf, WLC_IOCTL_MAXLEN, &wl->ioctl_buf_sync); } else { wldev_iovar_setbuf(dev, "wpaie", NULL, 0, wl->ioctl_buf, WLC_IOCTL_MAXLEN, &wl->ioctl_buf_sync); } err = wl_cfgp2p_set_management_ie(wl, dev, wl_cfgp2p_find_idx(wl, dev), VNDR_IE_ASSOCREQ_FLAG, (u8 *)sme->ie, sme->ie_len); if (unlikely(err)) { return err; } } if (chan) { wl->channel = ieee80211_frequency_to_channel(chan->center_freq); chan_cnt = 1; WL_DBG(("channel (%d), center_req (%d), %d channels\n", wl->channel, chan->center_freq, chan_cnt)); } else wl->channel = 0; #ifdef BCMWAPI_WPI WL_DBG(("1. enable wapi auth\n")); if (sme->crypto.wpa_versions & NL80211_WAPI_VERSION_1) { WL_DBG(("2. set wapi ie \n")); err = wl_set_set_wapi_ie(dev, sme); if (unlikely(err)) return err; } else WL_DBG(("2. Not wapi ie \n")); #endif 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; } #ifdef BCMWAPI_WPI if (sme->crypto.wpa_versions & NL80211_WAPI_VERSION_1) WL_DBG(("4. WAPI Dont Set wl_set_auth_type\n")); else { WL_DBG(("4. wl_set_auth_type\n")); #endif err = wl_set_auth_type(dev, sme); if (unlikely(err)) { WL_ERR(("Invalid auth type\n")); return err; } #ifdef BCMWAPI_WPI } #endif 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(wl, 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(wl, 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 = WL_SCAN_JOIN_ACTIVE_DWELL_TIME_MS; ext_join_params->scan.passive_time = WL_SCAN_JOIN_PASSIVE_DWELL_TIME_MS; /* Set up join scan parameters */ ext_join_params->scan.scan_type = -1; ext_join_params->scan.nprobes = (ext_join_params->scan.active_time/WL_SCAN_JOIN_PROBE_INTERVAL_MS); 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) { u16 channel, band, bw, ctl_sb; chanspec_t chspec; channel = wl->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_INFO(("ssid \"%s\", len (%d)\n", ext_join_params->ssid.SSID, ext_join_params->ssid.SSID_len)); } wl_set_drv_status(wl, CONNECTING, dev); err = wldev_iovar_setbuf_bsscfg(dev, "join", ext_join_params, join_params_size, wl->ioctl_buf, WLC_IOCTL_MAXLEN, wl_cfgp2p_find_idx(wl, dev), &wl->ioctl_buf_sync); kfree(ext_join_params); if (err) { wl_clr_drv_status(wl, CONNECTING, dev); if (err == BCME_UNSUPPORTED) { WL_DBG(("join iovar is not supported\n")); goto set_ssid; } else WL_ERR(("error (%d)\n", err)); } 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(wl, 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(wl->channel, &join_params, &join_params_size); WL_DBG(("join_param_size %d\n", join_params_size)); if (join_params.ssid.SSID_len < IEEE80211_MAX_SSID_LEN) { WL_INFO(("ssid \"%s\", len (%d)\n", join_params.ssid.SSID, join_params.ssid.SSID_len)); } wl_set_drv_status(wl, 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(wl, CONNECTING, dev); } exit: return err; } static s32 wl_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, u16 reason_code) { struct wl_priv *wl = wiphy_priv(wiphy); scb_val_t scbval; bool act = false; s32 err = 0; u8 *curbssid; WL_ERR(("Reason %d\n", reason_code)); CHECK_SYS_UP(wl); act = *(bool *) wl_read_prof(wl, dev, WL_PROF_ACT); curbssid = wl_read_prof(wl, dev, WL_PROF_BSSID); if (act) { /* * Cancel ongoing scan to sync up with sme state machine of cfg80211. */ #if !defined(ESCAN_RESULT_PATCH) /* Let scan aborted by F/W */ if (wl->scan_request) { wl_notify_escan_complete(wl, dev, true, true); } #endif /* ESCAN_RESULT_PATCH */ wl_set_drv_status(wl, 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(wl, DISCONNECTING, dev); WL_ERR(("error (%d)\n", err)); return err; } } return err; } static s32 wl_cfg80211_set_tx_power(struct wiphy *wiphy, enum nl80211_tx_power_setting type, s32 dbm) { struct wl_priv *wl = wiphy_priv(wiphy); struct net_device *ndev = wl_to_prmry_ndev(wl); u16 txpwrmw; s32 err = 0; s32 disable = 0; CHECK_SYS_UP(wl); 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; } /* 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(ndev, WLC_SET_RADIO, &disable, sizeof(disable), true); if (unlikely(err)) { WL_ERR(("WLC_SET_RADIO error (%d)\n", err)); return err; } if (dbm > 0xffff) txpwrmw = 0xffff; else txpwrmw = (u16) dbm; err = wldev_iovar_setint(ndev, "qtxpower", (s32) (bcm_mw_to_qdbm(txpwrmw))); if (unlikely(err)) { WL_ERR(("qtxpower error (%d)\n", err)); return err; } wl->conf->tx_power = dbm; return err; } static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm) { struct wl_priv *wl = wiphy_priv(wiphy); struct net_device *ndev = wl_to_prmry_ndev(wl); s32 txpwrdbm; u8 result; s32 err = 0; CHECK_SYS_UP(wl); err = wldev_iovar_getint(ndev, "qtxpower", &txpwrdbm); if (unlikely(err)) { WL_ERR(("error (%d)\n", err)); return err; } result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE); *dbm = (s32) bcm_qdbm_to_mw(result); return err; } static s32 wl_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, bool unicast, bool multicast) { struct wl_priv *wl = wiphy_priv(wiphy); u32 index; s32 wsec; s32 err = 0; s32 bssidx = wl_cfgp2p_find_idx(wl, dev); WL_DBG(("key index (%d)\n", key_idx)); CHECK_SYS_UP(wl); 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 wl_priv *wl = wiphy_priv(wiphy); struct wl_wsec_key key; s32 err = 0; s32 bssidx = wl_cfgp2p_find_idx(wl, dev); s32 mode = wl_get_mode_by_netdev(wl, dev); 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), wl->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &wl->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; #ifdef BCMWAPI_WPI case WLAN_CIPHER_SUITE_SMS4: key.algo = CRYPTO_ALGO_SMS4; WL_DBG(("WLAN_CIPHER_SUITE_SMS4\n")); break; #endif default: WL_ERR(("Invalid cipher (0x%x)\n", params->cipher)); return -EINVAL; } swap_key_from_BE(&key); /* need to guarantee EAPOL 4/4 send out before set key */ dhd_wait_pend8021x(dev); err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), wl->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &wl->ioctl_buf_sync); if (unlikely(err)) { WL_ERR(("WLC_SET_KEY error (%d)\n", err)); return err; } } 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 wl_priv *wl = wiphy_priv(wiphy); s32 mode = wl_get_mode_by_netdev(wl, dev); WL_DBG(("key index (%d)\n", key_idx)); CHECK_SYS_UP(wl); bssidx = wl_cfgp2p_find_idx(wl, dev); if (mac_addr) { 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; #ifdef BCMWAPI_WPI case WLAN_CIPHER_SUITE_SMS4: key.algo = CRYPTO_ALGO_SMS4; val = SMS4_ENABLED; WL_DBG((" * wl_cfg80211_add_key, set key " " to WLAN_CIPHER_SUITE_SMS4\n")); break; #endif /* BCMWAPI_WPI */ default: WL_ERR(("Invalid cipher (0x%x)\n", params->cipher)); return -EINVAL; } /* Set the new key/index */ swap_key_from_BE(&key); err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), wl->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &wl->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 wl_priv *wl = wiphy_priv(wiphy); s32 err = 0; s32 bssidx = wl_cfgp2p_find_idx(wl, dev); WL_DBG(("Enter\n")); #ifndef IEEE80211W if ((key_idx >= DOT11_MAX_DEFAULT_KEYS) && (key_idx < DOT11_MAX_DEFAULT_KEYS+2)) return -EINVAL; #endif CHECK_SYS_UP(wl); memset(&key, 0, sizeof(key)); key.flags = WL_PRIMARY_KEY; key.algo = CRYPTO_ALGO_OFF; key.index = (u32) key_idx; WL_DBG(("key index (%d)\n", key_idx)); /* Set the new key/index */ swap_key_from_BE(&key); err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), wl->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &wl->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 wl_priv *wl = wiphy_priv(wiphy); struct wl_security *sec; s32 wsec; s32 err = 0; s32 bssidx = wl_cfgp2p_find_idx(wl, dev); WL_DBG(("key index (%d)\n", key_idx)); CHECK_SYS_UP(wl); 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(params.key, key.data, params.key_len); wldev_iovar_getint_bsscfg(dev, "wsec", &wsec, bssidx); if (unlikely(err)) { WL_ERR(("WLC_GET_WSEC error (%d)\n", err)); return err; } switch (wsec & ~SES_OW_ENABLED) { case WEP_ENABLED: sec = wl_read_prof(wl, dev, WL_PROF_SEC); if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) { params.cipher = WLAN_CIPHER_SUITE_WEP40; WL_DBG(("WLAN_CIPHER_SUITE_WEP40\n")); } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) { params.cipher = WLAN_CIPHER_SUITE_WEP104; WL_DBG(("WLAN_CIPHER_SUITE_WEP104\n")); } break; case TKIP_ENABLED: params.cipher = WLAN_CIPHER_SUITE_TKIP; WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n")); break; case AES_ENABLED: params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; WL_DBG(("WLAN_CIPHER_SUITE_AES_CMAC\n")); break; #ifdef BCMWAPI_WPI case WLAN_CIPHER_SUITE_SMS4: key.algo = CRYPTO_ALGO_SMS4; WL_DBG((" * wl_cfg80211_add_key, set key" "to WLAN_CIPHER_SUITE_SMS4\n")); break; #endif default: WL_ERR(("Invalid algo (0x%x)\n", wsec)); return -EINVAL; } callback(cookie, ¶ms); return err; } // terence 20130703: Fix for wrong group_capab (timing issue) int p2p_disconnected = 0; struct ether_addr p2p_disconnected_bssid; #if defined(RSSIAVG) static wl_rssi_cache_ctrl_t g_rssi_cache_ctrl; static wl_rssi_cache_ctrl_t g_rssi2_cache_ctrl; #endif #if defined(BSSCACHE) static wl_bss_cache_ctrl_t g_bss_cache_ctrl; #endif static s32 wl_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx) { WL_INFO(("Not supported\n")); return -EOPNOTSUPP; } static s32 wl_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, u8 *mac, struct station_info *sinfo) { struct wl_priv *wl = wiphy_priv(wiphy); #if !defined(RSSIAVG) scb_val_t scb_val; #endif s32 rssi; s32 rate; s32 err = 0; sta_info_t *sta; #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0) s8 eabuf[ETHER_ADDR_STR_LEN]; #endif dhd_pub_t *dhd = (dhd_pub_t *)(wl->pub); CHECK_SYS_UP(wl); if (wl_get_mode_by_netdev(wl, dev) == WL_MODE_AP) { err = wldev_iovar_getbuf(dev, "sta_info", (struct ether_addr *)mac, ETHER_ADDR_LEN, wl->ioctl_buf, WLC_IOCTL_SMLEN, &wl->ioctl_buf_sync); if (err < 0) { WL_ERR(("GET STA INFO failed, %d\n", err)); return err; } sinfo->filled = STATION_INFO_INACTIVE_TIME; sta = (sta_info_t *)wl->ioctl_buf; sta->len = dtoh16(sta->len); sta->cap = dtoh16(sta->cap); sta->flags = dtoh32(sta->flags); sta->idle = dtoh32(sta->idle); sta->in = dtoh32(sta->in); sinfo->inactive_time = sta->idle * 1000; #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0) if (sta->flags & WL_STA_ASSOC) { sinfo->filled |= STATION_INFO_CONNECTED_TIME; sinfo->connected_time = sta->in; } WL_INFO(("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(wl, dev) == WL_MODE_BSS) { get_pktcnt_t pktcnt; u8 *curmacp = wl_read_prof(wl, dev, WL_PROF_BSSID); if (!wl_get_drv_status(wl, CONNECTED, dev) || (dhd_is_associated(dhd, NULL, &err) == FALSE)) { WL_ERR(("NOT assoc\n")); if (err == -ERESTARTSYS) return err; err = -ENODEV; return err; } 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 { rate = dtoh32(rate); sinfo->filled |= STATION_INFO_TX_BITRATE; sinfo->txrate.legacy = rate * 5; WL_DBG(("Rate %d Mbps\n", (rate / 2))); } #if defined(RSSIAVG) err = wl_update_connected_rssi_cache(dev, &g_rssi2_cache_ctrl, &rssi); if (err) { WL_ERR(("Could not get rssi (%d)\n", err)); goto get_station_err; } wl_delete_dirty_rssi_cache(&g_rssi2_cache_ctrl); wl_reset_rssi_cache(&g_rssi2_cache_ctrl); #else memset(&scb_val, 0, sizeof(scb_val)); scb_val.val = 0; err = wldev_ioctl(dev, WLC_GET_RSSI, &scb_val, sizeof(scb_val_t), false); if (err) { WL_ERR(("Could not get rssi (%d)\n", err)); goto get_station_err; } rssi = dtoh32(scb_val.val); #endif #if defined(RSSIOFFSET) rssi = wl_update_rssi_offset(rssi); #endif sinfo->filled |= STATION_INFO_SIGNAL; sinfo->signal = rssi; WL_DBG(("RSSI %d dBm\n", rssi)); err = wldev_ioctl(dev, WLC_GET_PKTCNTS, &pktcnt, sizeof(pktcnt), false); if (!err) { sinfo->filled |= (STATION_INFO_RX_PACKETS | STATION_INFO_RX_DROP_MISC | STATION_INFO_TX_PACKETS | STATION_INFO_TX_FAILED); sinfo->rx_packets = pktcnt.rx_good_pkt; sinfo->rx_dropped_misc = pktcnt.rx_bad_pkt; sinfo->tx_packets = pktcnt.tx_good_pkt; sinfo->tx_failed = pktcnt.tx_bad_pkt; } get_station_err: if (err && (err != -ERESTARTSYS)) { /* Disconnect due to zero BSSID or error to get RSSI */ WL_ERR(("force cfg80211_disconnected: %d\n", err)); wl_clr_drv_status(wl, CONNECTED, dev); cfg80211_disconnected(dev, 0, NULL, 0, GFP_KERNEL); wl_link_down(wl); } } return err; } /* Function to update sta power save mode for Kernel wifi stack */ int wl_cfg80211_update_power_mode(struct net_device *dev) { int pm = -1; int err; err = wldev_ioctl(dev, WLC_GET_PM, &pm, sizeof(pm), false); if (err || (pm == -1)) { WL_ERR(("error (%d)\n", err)); } else { pm = (pm == PM_OFF) ? false : true; WL_DBG(("%s: %d\n", __func__, pm)); if (dev->ieee80211_ptr) dev->ieee80211_ptr->ps = pm; } 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 wl_priv *wl = wiphy_priv(wiphy); struct net_info *_net_info = wl_get_netinfo_by_netdev(wl, dev); #if !defined(SUPPORT_PM2_ONLY) dhd_pub_t *dhd = (dhd_pub_t *)(wl->pub); #endif /* (OEM_ANDROID) */ CHECK_SYS_UP(wl); if (wl->p2p_net == dev || _net_info == NULL) { return err; } WL_DBG(("%s: Enter power save enabled %d\n", dev->name, enabled)); #if !defined(SUPPORT_PM2_ONLY) /* android has special hooks to change pm when kernel suspended */ pm = enabled ? ((dhd->in_suspend) ? PM_MAX : PM_FAST) : PM_OFF; #else pm = enabled ? PM_FAST : PM_OFF; #endif /* SUPPORT_PM2_ONLY */ if (_net_info->pm_block || wl->vsdb_mode) { /* Do not enable the power save if it is p2p interface or vsdb mode is set */ WL_DBG(("%s:Do not enable the power save for pm_block %d or vsdb_mode %d\n", dev->name, _net_info->pm_block, wl->vsdb_mode)); 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; } return err; } 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 wl_priv *wl = wiphy_priv(wiphy); struct net_device *ndev = wl_to_prmry_ndev(wl); s32 err = 0; if (unlikely(!wl_get_drv_status(wl, READY, ndev))) { WL_INFO(("device is not ready\n")); return 0; } wl_invoke_iscan(wl); return err; } static s32 #if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39) wl_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow) #else wl_cfg80211_suspend(struct wiphy *wiphy) #endif { #ifdef DHD_CLEAR_ON_SUSPEND struct wl_priv *wl = wiphy_priv(wiphy); struct net_info *iter, *next; struct net_device *ndev = wl_to_prmry_ndev(wl); unsigned long flags; if (unlikely(!wl_get_drv_status(wl, READY, ndev))) { WL_INFO(("device is not ready : status (%d)\n", (int)wl->status)); return 0; } for_each_ndev(wl, iter, next) wl_set_drv_status(wl, SCAN_ABORTING, iter->ndev); wl_term_iscan(wl); spin_lock_irqsave(&wl->cfgdrv_lock, flags); if (wl->scan_request) { cfg80211_scan_done(wl->scan_request, true); wl->scan_request = NULL; } for_each_ndev(wl, iter, next) { wl_clr_drv_status(wl, SCANNING, iter->ndev); wl_clr_drv_status(wl, SCAN_ABORTING, iter->ndev); } spin_unlock_irqrestore(&wl->cfgdrv_lock, flags); for_each_ndev(wl, iter, next) { if (wl_get_drv_status(wl, CONNECTING, iter->ndev)) { wl_bss_connect_done(wl, 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 wl_priv *wl = wlcfg_drv_priv; struct net_device *primary_dev = wl_to_prmry_ndev(wl); 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_INFO(("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), wl->ioctl_buf, WLC_IOCTL_MAXLEN, NULL); } return err; } static s32 wl_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_pmksa *pmksa) { struct wl_priv *wl = wiphy_priv(wiphy); s32 err = 0; int i; CHECK_SYS_UP(wl); for (i = 0; i < wl->pmk_list->pmkids.npmkid; i++) if (!memcmp(pmksa->bssid, &wl->pmk_list->pmkids.pmkid[i].BSSID, ETHER_ADDR_LEN)) break; if (i < WL_NUM_PMKIDS_MAX) { memcpy(&wl->pmk_list->pmkids.pmkid[i].BSSID, pmksa->bssid, ETHER_ADDR_LEN); memcpy(&wl->pmk_list->pmkids.pmkid[i].PMKID, pmksa->pmkid, WPA2_PMKID_LEN); if (i == wl->pmk_list->pmkids.npmkid) wl->pmk_list->pmkids.npmkid++; } else { err = -EINVAL; } WL_DBG(("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n", &wl->pmk_list->pmkids.pmkid[wl->pmk_list->pmkids.npmkid - 1].BSSID)); for (i = 0; i < WPA2_PMKID_LEN; i++) { WL_DBG(("%02x\n", wl->pmk_list->pmkids.pmkid[wl->pmk_list->pmkids.npmkid - 1]. PMKID[i])); } err = wl_update_pmklist(dev, wl->pmk_list, err); return err; } static s32 wl_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_pmksa *pmksa) { struct wl_priv *wl = wiphy_priv(wiphy); struct _pmkid_list pmkid; s32 err = 0; int i; CHECK_SYS_UP(wl); 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 < wl->pmk_list->pmkids.npmkid; i++) if (!memcmp (pmksa->bssid, &wl->pmk_list->pmkids.pmkid[i].BSSID, ETHER_ADDR_LEN)) break; if ((wl->pmk_list->pmkids.npmkid > 0) && (i < wl->pmk_list->pmkids.npmkid)) { memset(&wl->pmk_list->pmkids.pmkid[i], 0, sizeof(pmkid_t)); for (; i < (wl->pmk_list->pmkids.npmkid - 1); i++) { memcpy(&wl->pmk_list->pmkids.pmkid[i].BSSID, &wl->pmk_list->pmkids.pmkid[i + 1].BSSID, ETHER_ADDR_LEN); memcpy(&wl->pmk_list->pmkids.pmkid[i].PMKID, &wl->pmk_list->pmkids.pmkid[i + 1].PMKID, WPA2_PMKID_LEN); } wl->pmk_list->pmkids.npmkid--; } else { err = -EINVAL; } err = wl_update_pmklist(dev, wl->pmk_list, err); return err; } static s32 wl_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *dev) { struct wl_priv *wl = wiphy_priv(wiphy); s32 err = 0; CHECK_SYS_UP(wl); memset(wl->pmk_list, 0, sizeof(*wl->pmk_list)); err = wl_update_pmklist(dev, wl->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(("%s: mem alloc failed (%d bytes)\n", __func__, 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; } static s32 wl_cfg80211_remain_on_channel(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_channel * channel, enum nl80211_channel_type channel_type, unsigned int duration, u64 *cookie) { s32 target_channel; u32 id; struct ether_addr primary_mac; struct net_device *ndev = NULL; s32 err = BCME_OK; struct wl_priv *wl = wiphy_priv(wiphy); WL_DBG(("Enter, ifindex: %d, channel: %d, duration ms (%d) SCANNING ?? %s \n", dev->ifindex, ieee80211_frequency_to_channel(channel->center_freq), duration, (wl_get_drv_status(wl, SCANNING, ndev)) ? "YES":"NO")); if (wl->p2p_net == dev) { ndev = wl_to_prmry_ndev(wl); } else { ndev = dev; } if (!wl->p2p) { WL_ERR(("wl->p2p is not initialized\n")); err = BCME_ERROR; goto exit; } #ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST if (wl_get_drv_status(wl, SCANNING, ndev)) { wl_notify_escan_complete(wl, ndev, true, true); } #endif /* not WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ target_channel = ieee80211_frequency_to_channel(channel->center_freq); memcpy(&wl->remain_on_chan, channel, sizeof(struct ieee80211_channel)); wl->remain_on_chan_type = channel_type; id = ++wl->last_roc_id; if (id == 0) id = ++wl->last_roc_id; *cookie = id; #ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST if (wl_get_drv_status(wl, SCANNING, ndev)) { struct timer_list *_timer; WL_DBG(("scan is running. go to fake listen state\n")); wl_set_drv_status(wl, FAKE_REMAINING_ON_CHANNEL, ndev); if (timer_pending(&wl->p2p->listen_timer)) { WL_DBG(("cancel current listen timer \n")); del_timer_sync(&wl->p2p->listen_timer); } _timer = &wl->p2p->listen_timer; wl_clr_p2p_status(wl, 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(wl, 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(wl, FAKE_REMAINING_ON_CHANNEL, ndev); #else wl_set_drv_status(wl, REMAINING_ON_CHANNEL, ndev); #endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ goto exit; } #endif /* WL_CFG80211_SYNC_GON */ if (wl->p2p && !wl->p2p->on) { /* In case of p2p_listen command, supplicant send remain_on_channel * without turning on P2P */ get_primary_mac(wl, &primary_mac); wl_cfgp2p_generate_bss_mac(&primary_mac, &wl->p2p->dev_addr, &wl->p2p->int_addr); p2p_on(wl) = true; } if (p2p_is_on(wl)) { err = wl_cfgp2p_enable_discovery(wl, ndev, NULL, 0); if (unlikely(err)) { goto exit; } #ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST wl_set_drv_status(wl, REMAINING_ON_CHANNEL, ndev); #endif /* not WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ err = wl_cfgp2p_discover_listen(wl, target_channel, duration); #ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST if (err == BCME_OK) { wl_set_drv_status(wl, 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(wl, 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_INFO(("Success\n")); cfg80211_ready_on_channel(dev, *cookie, channel, channel_type, duration, GFP_KERNEL); } 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, struct net_device *dev, u64 cookie) { s32 err = 0; WL_DBG((" enter ) netdev_ifidx: %d \n", dev->ifindex)); return err; } static void wl_cfg80211_afx_handler(struct work_struct *work) { struct afx_hdl *afx_instance; struct wl_priv *wl = wlcfg_drv_priv; s32 ret = BCME_OK; afx_instance = container_of(work, struct afx_hdl, work); if (afx_instance != NULL && wl->afx_hdl->is_active) { if (wl->afx_hdl->is_listen && wl->afx_hdl->my_listen_chan) { ret = wl_cfgp2p_discover_listen(wl, wl->afx_hdl->my_listen_chan, (100 * (1 + (random32() % 3)))); /* 100ms ~ 300ms */ } else { ret = wl_cfgp2p_act_frm_search(wl, wl->afx_hdl->dev, wl->afx_hdl->bssidx, wl->afx_hdl->peer_listen_chan); } if (unlikely(ret != BCME_OK)) { WL_ERR(("ERROR occurred! returned value is (%d)\n", ret)); if (wl_get_drv_status_all(wl, FINDING_COMMON_CHANNEL)) complete(&wl->act_frm_scan); } } } static s32 wl_cfg80211_af_searching_channel(struct wl_priv *wl, struct net_device *dev) { u32 max_retry = WL_CHANNEL_SYNC_RETRY; if (dev == NULL) return -1; WL_DBG((" enter ) \n")); wl_set_drv_status(wl, FINDING_COMMON_CHANNEL, dev); wl->afx_hdl->is_active = TRUE; /* Loop to wait until we find a peer's channel or the * pending action frame tx is cancelled. */ while ((wl->afx_hdl->retry < max_retry) && (wl->afx_hdl->peer_chan == WL_INVALID)) { wl->afx_hdl->is_listen = FALSE; wl_set_drv_status(wl, SCANNING, dev); WL_DBG(("Scheduling the action frame for sending.. retry %d\n", wl->afx_hdl->retry)); /* search peer on peer's listen channel */ schedule_work(&wl->afx_hdl->work); wait_for_completion_timeout(&wl->act_frm_scan, msecs_to_jiffies(MAX_WAIT_TIME)); if ((wl->afx_hdl->peer_chan != WL_INVALID) || !(wl_get_drv_status(wl, FINDING_COMMON_CHANNEL, dev))) break; if (wl->afx_hdl->my_listen_chan) { WL_DBG(("Scheduling Listen peer in my listen channel = %d\n", wl->afx_hdl->my_listen_chan)); /* listen on my listen channel */ wl->afx_hdl->is_listen = TRUE; schedule_work(&wl->afx_hdl->work); wait_for_completion_timeout(&wl->act_frm_scan, msecs_to_jiffies(MAX_WAIT_TIME)); } if (!wl_get_drv_status(wl, FINDING_COMMON_CHANNEL, dev)) break; wl->afx_hdl->retry++; WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(wl); } wl->afx_hdl->is_active = FALSE; wl_clr_drv_status(wl, SCANNING, dev); wl_clr_drv_status(wl, FINDING_COMMON_CHANNEL, dev); return (wl->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 wl_priv *wl = 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; switch (act_frm->subtype) { case P2P_PAF_GON_REQ: { WL_DBG(("P2P: GO_NEG_PHASE status set \n")); wl_set_p2p_status(wl, GO_NEG_PHASE); config_af_params->mpc_onoff = 0; config_af_params->search_channel = true; wl->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: { wl->next_af_subtype = act_frm->subtype + 1; /* increase dwell time to wait for CONF frame */ af_params->dwell_time = WL_MED_DWELL_TIME; 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(wl, 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; wl->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: { config_af_params->search_channel = true; wl->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_PROV_DISC_WITHOUT_GROUP_ID(&act_frm->elts[0], action_frame->len)) { config_af_params->search_channel = true; } config_af_params->mpc_onoff = 0; wl->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: { wl->next_af_subtype = P2P_PAF_GON_REQ; /* increase dwell time to MED level */ af_params->dwell_time = WL_MED_DWELL_TIME; #ifdef WL_CFG80211_SYNC_GON config_af_params->extra_listen = false; #endif /* WL_CFG80211_SYNC_GON */ break; } default: WL_DBG(("Unknown p2p pub act frame subtype: %d\n", act_frm->subtype)); err = BCME_BADARG; } return err; } static bool wl_cfg80211_send_action_frame(struct wiphy *wiphy, struct net_device *dev, struct net_device *ndev, wl_af_params_t *af_params, wl_action_frame_t *action_frame, u16 action_frame_len, s32 bssidx) { struct wl_priv *wl = 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 *)(wl->pub); struct net_device *dev_tmp = wl_to_prmry_ndev(wl); static int cnt = 0; wl_cfgp2p_print_actframe(true, action_frame->data, action_frame->len); category = action_frame->data[DOT11_ACTION_CAT_OFF]; action = action_frame->data[DOT11_ACTION_ACT_OFF]; /* initialize variables */ tx_retry = 0; wl->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 */ wl->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(wl, 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(wl, P2PAPI_BSSCFG_DEVICE).p2p_probe_req_ie_len) { config_af_params.search_channel = true; } else { config_af_params.search_channel = false; } #ifdef WL11U if (ndev == wl_to_prmry_ndev(wl)) 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(wl, CONNECTING, wl_to_prmry_ndev(wl))) { msleep(50); } #endif /* if scan is ongoing, abort current scan. */ if (wl_get_drv_status_all(wl, SCANNING)) { wl_notify_escan_complete(wl, ndev, true, true); } /* set status and destination address before sending af */ if (wl->next_af_subtype != P2P_PAF_SUBTYPE_INVALID) { /* set this status to cancel the remained dwell time in rx process */ wl_set_drv_status(wl, WAITING_NEXT_ACT_FRM, dev); } wl_set_drv_status(wl, SENDING_ACT_FRM, dev); memcpy(wl->afx_hdl->tx_dst_addr.octet, af_params->action_frame.da.octet, sizeof(wl->afx_hdl->tx_dst_addr.octet)); /* save af_params for rx process */ wl->afx_hdl->pending_tx_act_frm = af_params; /* search peer's channel */ if (config_af_params.search_channel) { /* initialize afx_hdl */ wl->afx_hdl->bssidx = wl_cfgp2p_find_idx(wl, dev); wl->afx_hdl->dev = dev; wl->afx_hdl->retry = 0; wl->afx_hdl->peer_chan = WL_INVALID; if (wl_cfg80211_af_searching_channel(wl, dev) == WL_INVALID) { WL_ERR(("couldn't find peer's channel.\n")); // terence 20130721: send hang event to wpa_supplicant cnt++; if (cnt > 2) { WL_ERR(("Send hang event\n")); net_os_send_hang_message(dev_tmp); cnt = 0; } goto exit; } else { cnt = 0; } /* Suspend P2P discovery's search-listen to prevent it from * starting a scan or changing the channel. */ wl_clr_drv_status(wl, SCANNING, wl->afx_hdl->dev); /* Do not abort scan for VSDB. Scan will be aborted in firmware if necessary */ #ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST wl_notify_escan_complete(wl, dev, true, true); #endif /* not WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ wl_cfgp2p_discover_enable_search(wl, false); /* update channel */ af_params->channel = wl->afx_hdl->peer_chan; } #ifdef VSDB off_chan_started_jiffies = jiffies; #endif /* VSDB */ /* Now send a tx action frame */ ack = wl_cfgp2p_tx_action_frame(wl, 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(wl); off_chan_started_jiffies = jiffies; } } #endif /* VSDB */ ack = wl_cfgp2p_tx_action_frame(wl, dev, af_params, bssidx) ? false : true; } if (ack == false) { WL_ERR(("Failed to send Action Frame(retry %d)\n", tx_retry)); } exit: /* Clear SENDING_ACT_FRM after all sending af is done */ wl_clr_drv_status(wl, 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(wl, WAITING_NEXT_ACT_FRM) && wl->af_sent_channel == wl->afx_hdl->my_listen_chan) { s32 extar_listen_time; extar_listen_time = af_params->dwell_time - jiffies_to_msecs(jiffies - wl->af_tx_sent_jiffies); if (extar_listen_time > 50) { wl_set_drv_status(wl, 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(wl, wl->af_sent_channel, extar_listen_time + 100) == BCME_OK) { wait_for_completion_timeout(&wl->wait_next_af, msecs_to_jiffies(extar_listen_time + 100 + 300)); } wl_clr_drv_status(wl, WAITING_NEXT_ACT_FRM_LISTEN, dev); } } #endif /* WL_CFG80211_SYNC_GON */ wl_clr_drv_status(wl, WAITING_NEXT_ACT_FRM, dev); if (wl->afx_hdl->pending_tx_act_frm) wl->afx_hdl->pending_tx_act_frm = NULL; WL_INFO(("-- sending Action Frame is %s, listen chan: %d\n", (ack) ? "Succeeded!!":"Failed!!", wl->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; } static s32 wl_cfg80211_mgmt_tx(struct wiphy *wiphy, struct net_device *ndev, struct ieee80211_channel *channel, bool offchan, enum nl80211_channel_type channel_type, bool channel_type_valid, 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) { wl_action_frame_t *action_frame; wl_af_params_t *af_params; scb_val_t scb_val; const struct ieee80211_mgmt *mgmt; struct wl_priv *wl = 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 (ndev == wl->p2p_net) { dev = wl_to_prmry_ndev(wl); } else { /* If TX req is for any valid ifidx. Use as is */ dev = ndev; } /* find bssidx based on ndev */ bssidx = wl_cfgp2p_find_idx(wl, dev); if (bssidx == -1) { WL_ERR(("Can not find the bssidx for dev( %p )\n", dev)); return -ENODEV; } if (p2p_is_on(wl)) { /* Suspend P2P discovery search-listen to prevent it from changing the * channel. */ if ((err = wl_cfgp2p_discover_enable_search(wl, false)) < 0) { WL_ERR(("Can not disable discovery mode\n")); return -EFAULT; } } *cookie = 0; id = wl->send_action_id++; if (id == 0) id = wl->send_action_id++; *cookie = id; mgmt = (const struct ieee80211_mgmt *)buf; if (ieee80211_is_mgmt(mgmt->frame_control)) { if (ieee80211_is_probe_resp(mgmt->frame_control)) { s32 ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN; s32 ie_len = len - ie_offset; if (dev == wl_to_prmry_ndev(wl)) bssidx = wl_to_p2p_bss_bssidx(wl, P2PAPI_BSSCFG_DEVICE); wl_cfgp2p_set_management_ie(wl, dev, bssidx, VNDR_IE_PRBRSP_FLAG, (u8 *)(buf + ie_offset), ie_len); cfg80211_mgmt_tx_status(ndev, *cookie, buf, len, true, GFP_KERNEL); goto exit; } else if (ieee80211_is_disassoc(mgmt->frame_control) || ieee80211_is_deauth(mgmt->frame_control)) { memcpy(scb_val.ea.octet, mgmt->da, ETH_ALEN); scb_val.val = mgmt->u.disassoc.reason_code; err = wldev_ioctl(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scb_val, sizeof(scb_val_t), true); if (err < 0) WL_ERR(("WLC_SCB_DEAUTHENTICATE_FOR_REASON error %d\n", err)); WL_DBG(("Disconnect STA : %s scb_val.val %d\n", bcm_ether_ntoa((const struct ether_addr *)mgmt->da, eabuf), scb_val.val)); wl_delay(400); cfg80211_mgmt_tx_status(ndev, *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(wl, 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 */ wl->afx_hdl->peer_listen_chan = af_params->channel; WL_DBG(("channel from upper layer %d\n", wl->afx_hdl->peer_listen_chan)); /* 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; memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN], action_frame->len); ack = wl_cfg80211_send_action_frame(wiphy, dev, ndev, af_params, action_frame, action_frame->len, bssidx); cfg80211_mgmt_tx_status(ndev, *cookie, buf, len, ack, GFP_KERNEL); kfree(af_params); exit: return err; } static void wl_cfg80211_mgmt_frame_register(struct wiphy *wiphy, struct net_device *dev, u16 frame_type, bool reg) { WL_DBG(("%s: frame_type: %x, reg: %d\n", __func__, 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) { 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) { } if (params->ht_opmode >= 0) { } return 0; } static s32 wl_cfg80211_set_channel(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type) { s32 _chan; chanspec_t chspec = 0; chanspec_t fw_chspec = 0; u32 bw = WL_CHANSPEC_BW_20; s32 err = BCME_OK; s32 bw_cap = 0; struct { u32 band; u32 bw_cap; } param = {0, 0}; struct wl_priv *wl = wiphy_priv(wiphy); if (wl->p2p_net == dev) { dev = wl_to_prmry_ndev(wl); } _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), wl->ioctl_buf, WLC_IOCTL_SMLEN, &wl->ioctl_buf_sync); if (err) { if (err != BCME_UNSUPPORTED) { WL_ERR(("bw_cap failed, %d\n", err)); return err; } else { err = wldev_iovar_getint(dev, "mimo_bw_cap", &bw_cap); if (err) { WL_ERR(("error get mimo_bw_cap (%d)\n", err)); } if (bw_cap != WLC_N_BW_20ALL) bw = WL_CHANSPEC_BW_40; } } else { if (WL_BW_CAP_80MHZ(wl->ioctl_buf[0])) bw = WL_CHANSPEC_BW_80; else if (WL_BW_CAP_40MHZ(wl->ioctl_buf[0])) bw = WL_CHANSPEC_BW_40; else bw = WL_CHANSPEC_BW_20; } } else if (chan->band == IEEE80211_BAND_2GHZ) bw = WL_CHANSPEC_BW_20; set_channel: chspec = wf_channel2chspec(_chan, bw); if (wf_chspec_valid(chspec)) { fw_chspec = wl_chspec_host_to_driver(chspec); if (fw_chspec != INVCHANSPEC) { if ((err = wldev_iovar_setint(dev, "chanspec", fw_chspec)) == BCME_BADCHAN) { if (bw == WL_CHANSPEC_BW_80) goto change_bw; err = wldev_ioctl(dev, WLC_SET_CHANNEL, &_chan, sizeof(_chan), true); if (err < 0) { WL_ERR(("WLC_SET_CHANNEL error %d" "chip may not be supporting this channel\n", err)); } } else if (err) { WL_ERR(("failed to set chanspec error %d\n", err)); } } else { WL_ERR(("failed to convert host chanspec to fw chanspec\n")); err = BCME_ERROR; } } else { change_bw: if (bw == WL_CHANSPEC_BW_80) bw = WL_CHANSPEC_BW_40; else if (bw == WL_CHANSPEC_BW_40) bw = WL_CHANSPEC_BW_20; else bw = 0; if (bw) goto set_channel; WL_ERR(("Invalid chanspec 0x%x\n", chspec)); err = BCME_ERROR; } return err; } static s32 wl_validate_opensecurity(struct net_device *dev, s32 bssidx) { s32 err = BCME_OK; /* set auth */ err = wldev_iovar_setint_bsscfg(dev, "auth", 0, bssidx); if (err < 0) { WL_ERR(("auth error %d\n", err)); return BCME_ERROR; } /* set wsec */ err = wldev_iovar_setint_bsscfg(dev, "wsec", 0, bssidx); if (err < 0) { WL_ERR(("wsec error %d\n", err)); return BCME_ERROR; } /* set upper-layer auth */ err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", WPA_AUTH_NONE, bssidx); if (err < 0) { WL_ERR(("wpa_auth error %d\n", err)); return BCME_ERROR; } return 0; } static s32 wl_validate_wpa2ie(struct net_device *dev, bcm_tlv_t *wpa2ie, s32 bssidx) { s32 len = 0; s32 err = BCME_OK; u16 auth = 0; /* d11 open authentication */ u32 wsec; u32 pval = 0; u32 gval = 0; u32 wpa_auth = 0; wpa_suite_mcast_t *mcast; wpa_suite_ucast_t *ucast; wpa_suite_auth_key_mgmt_t *mgmt; u16 suite_count; u8 rsn_cap[2]; u32 wme_bss_disable; if (wpa2ie == NULL) goto exit; WL_DBG(("Enter \n")); len = wpa2ie->len; /* check the mcast cipher */ mcast = (wpa_suite_mcast_t *)&wpa2ie->data[WPA2_VERSION_LEN]; switch (mcast->type) { case WPA_CIPHER_NONE: gval = 0; break; case WPA_CIPHER_WEP_40: case WPA_CIPHER_WEP_104: gval = WEP_ENABLED; break; case WPA_CIPHER_TKIP: gval = TKIP_ENABLED; break; case WPA_CIPHER_AES_CCM: gval = AES_ENABLED; break; #ifdef BCMWAPI_WPI case WAPI_CIPHER_SMS4: gval = SMS4_ENABLED; break; #endif 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; #ifdef BCMWAPI_WPI case WAPI_CIPHER_SMS4: pval = SMS4_ENABLED; break; #endif default: WL_ERR(("No Security Info\n")); } if ((len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) <= 0) return BCME_BADLEN; /* FOR WPS , set SEC_OW_ENABLED */ wsec = (pval | gval | SES_OW_ENABLED); /* check the AKM */ mgmt = (wpa_suite_auth_key_mgmt_t *)&ucast->list[suite_count]; suite_count = ltoh16_ua(&mgmt->count); switch (mgmt->list[0].type) { case RSN_AKM_NONE: wpa_auth = WPA_AUTH_NONE; break; case RSN_AKM_UNSPECIFIED: wpa_auth = WPA2_AUTH_UNSPECIFIED; break; case RSN_AKM_PSK: wpa_auth = WPA2_AUTH_PSK; break; default: WL_ERR(("No Key Mgmt Info\n")); } if ((len -= (WPA_IE_SUITE_COUNT_LEN + (WPA_SUITE_LEN * suite_count))) >= RSN_CAP_LEN) { rsn_cap[0] = *(u8 *)&mgmt->list[suite_count]; rsn_cap[1] = *((u8 *)&mgmt->list[suite_count] + 1); if (rsn_cap[0] & (RSN_CAP_16_REPLAY_CNTRS << RSN_CAP_PTK_REPLAY_CNTR_SHIFT)) { wme_bss_disable = 0; } else { wme_bss_disable = 1; } /* set wme_bss_disable to sync RSN Capabilities */ err = wldev_iovar_setint_bsscfg(dev, "wme_bss_disable", wme_bss_disable, bssidx); if (err < 0) { WL_ERR(("wme_bss_disable error %d\n", err)); return BCME_ERROR; } } else { WL_DBG(("There is no RSN Capabilities. remained len %d\n", len)); } /* set auth */ err = wldev_iovar_setint_bsscfg(dev, "auth", auth, bssidx); if (err < 0) { WL_ERR(("auth error %d\n", err)); return BCME_ERROR; } /* set wsec */ err = wldev_iovar_setint_bsscfg(dev, "wsec", wsec, bssidx); if (err < 0) { WL_ERR(("wsec error %d\n", err)); return BCME_ERROR; } /* set upper-layer auth */ err = wldev_iovar_setint_bsscfg(dev, "wpa_auth", wpa_auth, bssidx); if (err < 0) { WL_ERR(("wpa_auth error %d\n", err)); return BCME_ERROR; } exit: return 0; } static s32 wl_validate_wpaie(struct net_device *dev, wpa_ie_fixed_t *wpaie, s32 bssidx) { wpa_suite_mcast_t *mcast; wpa_suite_ucast_t *ucast; wpa_suite_auth_key_mgmt_t *mgmt; u16 auth = 0; /* d11 open authentication */ u16 count; s32 err = BCME_OK; s32 len = 0; u32 i; u32 wsec; u32 pval = 0; u32 gval = 0; u32 wpa_auth = 0; u32 tmp = 0; if (wpaie == NULL) goto exit; WL_DBG(("Enter \n")); len = wpaie->length; /* value length */ len -= WPA_IE_TAG_FIXED_LEN; /* check for multicast cipher suite */ if (len < WPA_SUITE_LEN) { WL_INFO(("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_INFO(("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_INFO((" 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 wl_priv *wl = wlcfg_drv_priv; 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))) { wl->ap_info->security_mode = false; return BCME_ERROR; } wl->ap_info->security_mode = true; if (wl->ap_info->rsn_ie) { kfree(wl->ap_info->rsn_ie); wl->ap_info->rsn_ie = NULL; } if (wl->ap_info->wpa_ie) { kfree(wl->ap_info->wpa_ie); wl->ap_info->wpa_ie = NULL; } if (wl->ap_info->wps_ie) { kfree(wl->ap_info->wps_ie); wl->ap_info->wps_ie = NULL; } if (ies->wpa_ie != NULL) { /* WPAIE */ wl->ap_info->rsn_ie = NULL; wl->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 */ wl->ap_info->wpa_ie = NULL; wl->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); wl->ap_info->security_mode = false; } if (ies->wps_ie) { wl->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 wl_priv *wl = wlcfg_drv_priv; s32 err = BCME_OK; WL_DBG(("interval (%d) \ndtim_period (%d) \n", info->beacon_interval, info->dtim_period)); if (info->beacon_interval) { if ((err = wldev_ioctl(dev, WLC_SET_BCNPRD, &info->beacon_interval, sizeof(s32), true)) < 0) { WL_ERR(("Beacon Interval Set Error, %d\n", err)); return err; } } if (info->dtim_period) { if ((err = wldev_ioctl(dev, WLC_SET_DTIMPRD, &info->dtim_period, sizeof(s32), true)) < 0) { WL_ERR(("DTIM Interval Set Error, %d\n", err)); return err; } } if ((info->ssid) && (info->ssid_len > 0) && (info->ssid_len <= 32)) { WL_DBG(("SSID (%s) len:%d \n", info->ssid, info->ssid_len)); if (dev_role == NL80211_IFTYPE_AP) { /* Store the hostapd SSID */ memset(wl->hostapd_ssid.SSID, 0x00, 32); memcpy(wl->hostapd_ssid.SSID, info->ssid, info->ssid_len); wl->hostapd_ssid.SSID_len = info->ssid_len; } else { /* P2P GO */ memset(wl->p2p->ssid.SSID, 0x00, 32); memcpy(wl->p2p->ssid.SSID, info->ssid, info->ssid_len); wl->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 /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) */ 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 wl_priv *wl = wlcfg_drv_priv; struct wl_join_params join_params; bool is_bssup = false; s32 infra = 1; s32 join_params_size = 0; s32 ap = 1; 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", &wl->p2p->ssid, sizeof(wl->p2p->ssid), wl->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &wl->ioctl_buf_sync); if (err < 0) { WL_ERR(("GO SSID setting error %d\n", err)); goto exit; } if ((err = wl_cfgp2p_bss(wl, 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(wl, 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; } err = wldev_ioctl(dev, WLC_UP, &ap, sizeof(s32), true); if (unlikely(err)) { WL_ERR(("WLC_UP error (%d)\n", err)); goto exit; } memset(&join_params, 0, sizeof(join_params)); /* join parameters starts with ssid */ join_params_size = sizeof(join_params.ssid); memcpy(join_params.ssid.SSID, wl->hostapd_ssid.SSID, wl->hostapd_ssid.SSID_len); join_params.ssid.SSID_len = htod32(wl->hostapd_ssid.SSID_len); /* create softap */ if ((err = wldev_ioctl(dev, WLC_SET_SSID, &join_params, join_params_size, true)) == 0) { WL_DBG(("SoftAP set SSID (%s) success\n", join_params.ssid.SSID)); wl_clr_drv_status(wl, AP_CREATING, dev); wl_set_drv_status(wl, AP_CREATED, dev); } } exit: return err; } #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) s32 wl_cfg80211_parse_set_ies( struct net_device *dev, struct cfg80211_beacon_data *info, struct parsed_ies *ies, u32 dev_role, s32 bssidx) { struct wl_priv *wl = wlcfg_drv_priv; struct parsed_ies prb_ies; s32 err = BCME_OK; memset(ies, 0, sizeof(struct parsed_ies)); memset(&prb_ies, 0, sizeof(struct parsed_ies)); /* 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; } /* Set Beacon IEs to FW */ if ((err = wl_cfgp2p_set_management_ie(wl, 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")); } /* Parse Probe Response IEs */ if (wl_cfg80211_parse_ies((u8 *)info->proberesp_ies, info->proberesp_ies_len, &prb_ies) < 0) { WL_ERR(("PRB RESP get IEs failed \n")); err = -EINVAL; goto fail; } /* Set Probe Response IEs to FW */ if ((err = wl_cfgp2p_set_management_ie(wl, dev, bssidx, VNDR_IE_PRBRSP_FLAG, (u8 *)info->proberesp_ies, info->proberesp_ies_len)) < 0) { WL_ERR(("Set Probe Resp IE Failed \n")); } else { WL_DBG(("Applied Vndr IEs for Probe Resp \n")); } fail: return err; } #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) */ static s32 wl_cfg80211_hostapd_sec( struct net_device *dev, struct parsed_ies *ies, s32 bssidx) { bool update_bss = 0; struct wl_priv *wl = wlcfg_drv_priv; if (ies->wps_ie) { if (wl->ap_info->wps_ie && memcmp(wl->ap_info->wps_ie, ies->wps_ie, ies->wps_ie_len)) { WL_DBG((" WPS IE is changed\n")); kfree(wl->ap_info->wps_ie); wl->ap_info->wps_ie = kmemdup(ies->wps_ie, ies->wps_ie_len, GFP_KERNEL); } else if (wl->ap_info->wps_ie == NULL) { WL_DBG((" WPS IE is added\n")); wl->ap_info->wps_ie = kmemdup(ies->wps_ie, ies->wps_ie_len, GFP_KERNEL); } if ((ies->wpa_ie != NULL || ies->wpa2_ie != NULL)) { if (!wl->ap_info->security_mode) { /* change from open mode to security mode */ update_bss = true; if (ies->wpa_ie != NULL) { wl->ap_info->wpa_ie = kmemdup(ies->wpa_ie, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN, GFP_KERNEL); } else { wl->ap_info->rsn_ie = kmemdup(ies->wpa2_ie, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN, GFP_KERNEL); } } else if (wl->ap_info->wpa_ie) { /* change from WPA2 mode to WPA mode */ if (ies->wpa_ie != NULL) { update_bss = true; kfree(wl->ap_info->rsn_ie); wl->ap_info->rsn_ie = NULL; wl->ap_info->wpa_ie = kmemdup(ies->wpa_ie, ies->wpa_ie->length + WPA_RSN_IE_TAG_FIXED_LEN, GFP_KERNEL); } else if (memcmp(wl->ap_info->rsn_ie, ies->wpa2_ie, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN)) { update_bss = true; kfree(wl->ap_info->rsn_ie); wl->ap_info->rsn_ie = kmemdup(ies->wpa2_ie, ies->wpa2_ie->len + WPA_RSN_IE_TAG_FIXED_LEN, GFP_KERNEL); wl->ap_info->wpa_ie = NULL; } } if (update_bss) { wl->ap_info->security_mode = true; wl_cfgp2p_bss(wl, 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(wl, dev, bssidx, 1); } } } else { WL_ERR(("No WPSIE in beacon \n")); } return 0; } #if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \ 2, 0)) static s32 wl_cfg80211_del_station( struct wiphy *wiphy, struct net_device *ndev, u8* mac_addr) { struct net_device *dev; struct wl_priv *wl = wiphy_priv(wiphy); scb_val_t scb_val; s8 eabuf[ETHER_ADDR_STR_LEN]; WL_DBG(("Entry\n")); if (mac_addr == NULL) { WL_DBG(("mac_addr is NULL ignore it\n")); return 0; } if (ndev == wl->p2p_net) { dev = wl_to_prmry_ndev(wl); } else { dev = ndev; } if (p2p_is_on(wl)) { /* Suspend P2P discovery search-listen to prevent it from changing the * channel. */ if ((wl_cfgp2p_discover_enable_search(wl, false)) < 0) { WL_ERR(("Can not disable discovery mode\n")); return -EFAULT; } } memcpy(scb_val.ea.octet, mac_addr, ETHER_ADDR_LEN); scb_val.val = DOT11_RC_DEAUTH_LEAVING; if (wldev_ioctl(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scb_val, sizeof(scb_val_t), true)) WL_ERR(("WLC_SCB_DEAUTHENTICATE_FOR_REASON failed\n")); WL_DBG(("Disconnect STA : %s scb_val.val %d\n", bcm_ether_ntoa((const struct ether_addr *)mac_addr, eabuf), scb_val.val)); wl_delay(400); return 0; } #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 wl_priv *wl = wiphy_priv(wiphy); s32 err = BCME_OK; struct parsed_ies ies; s32 bssidx = 0; u32 dev_role = 0; WL_DBG(("Enter \n")); if (dev == wl_to_prmry_ndev(wl)) { WL_DBG(("Start AP req on primary iface: Softap\n")); dev_role = NL80211_IFTYPE_AP; } else if (dev == wl->p2p_net) { /* Group Add request on p2p0 */ WL_DBG(("Start AP req on P2P iface: GO\n")); dev = wl_to_prmry_ndev(wl); dev_role = NL80211_IFTYPE_P2P_GO; } bssidx = wl_cfgp2p_find_idx(wl, dev); if (p2p_is_on(wl) && (bssidx == wl_to_p2p_bss_bssidx(wl, P2PAPI_BSSCFG_CONNECTION))) { dev_role = NL80211_IFTYPE_P2P_GO; WL_DBG(("Start AP req on P2P connection iface\n")); } if ((err = wl_cfg80211_bcn_set_params(info, dev, dev_role, bssidx)) < 0) { WL_ERR(("Beacon params set failed \n")); goto fail; } /* Set IEs to FW */ if ((err = wl_cfg80211_parse_set_ies(dev, &info->beacon, &ies, dev_role, bssidx) < 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")); 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 wl_priv *wl = wiphy_priv(wiphy); WL_DBG(("Enter \n")); if (dev == wl_to_prmry_ndev(wl)) { dev_role = NL80211_IFTYPE_AP; } else if (dev == wl->p2p_net) { /* Group Add request on p2p0 */ dev = wl_to_prmry_ndev(wl); dev_role = NL80211_IFTYPE_P2P_GO; } bssidx = wl_cfgp2p_find_idx(wl, dev); if (p2p_is_on(wl) && (bssidx == wl_to_p2p_bss_bssidx(wl, P2PAPI_BSSCFG_CONNECTION))) { dev_role = NL80211_IFTYPE_P2P_GO; } if (dev_role == NL80211_IFTYPE_AP) { /* SoftAp on primary Interface. * Shut down AP and turn on MPC */ 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; } 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_UP, &ap, sizeof(s32), true); if (unlikely(err)) { WL_ERR(("WLC_UP error (%d)\n", err)); err = -EINVAL; goto exit; } wl_clr_drv_status(wl, AP_CREATED, dev); /* Turn on the MPC */ wldev_iovar_setint(dev, "mpc", 1); } else { WL_DBG(("Stopping P2P GO \n")); } 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 wl_priv *wl = wiphy_priv(wiphy); struct parsed_ies ies; u32 dev_role = 0; s32 bssidx = 0; WL_DBG(("Enter \n")); if (dev == wl_to_prmry_ndev(wl)) { dev_role = NL80211_IFTYPE_AP; } else if (dev == wl->p2p_net) { /* Group Add request on p2p0 */ dev = wl_to_prmry_ndev(wl); dev_role = NL80211_IFTYPE_P2P_GO; } bssidx = wl_cfgp2p_find_idx(wl, dev); if (p2p_is_on(wl) && (bssidx == wl_to_p2p_bss_bssidx(wl, P2PAPI_BSSCFG_CONNECTION))) { dev_role = NL80211_IFTYPE_P2P_GO; } /* Set IEs to FW */ if ((err = wl_cfg80211_parse_set_ies(dev, info, &ies, dev_role, 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; } } fail: return err; } #else /* LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0) */ static s32 wl_cfg80211_add_set_beacon(struct wiphy *wiphy, struct net_device *dev, struct beacon_parameters *info) { s32 err = BCME_OK; struct wl_priv *wl = wiphy_priv(wiphy); s32 ie_offset = 0; s32 bssidx = 0; u32 dev_role = NL80211_IFTYPE_AP; struct parsed_ies ies; bcm_tlv_t *ssid_ie; bool pbc = 0; WL_DBG(("interval (%d) dtim_period (%d) head_len (%d) tail_len (%d)\n", info->interval, info->dtim_period, info->head_len, info->tail_len)); if (dev == wl_to_prmry_ndev(wl)) { dev_role = NL80211_IFTYPE_AP; } else if (dev == wl->p2p_net) { /* Group Add request on p2p0 */ dev = wl_to_prmry_ndev(wl); dev_role = NL80211_IFTYPE_P2P_GO; } bssidx = wl_cfgp2p_find_idx(wl, dev); if (p2p_is_on(wl) && (bssidx == wl_to_p2p_bss_bssidx(wl, P2PAPI_BSSCFG_CONNECTION))) { dev_role = NL80211_IFTYPE_P2P_GO; } 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(&wl->hostapd_ssid.SSID[0], 0x00, 32); memcpy(&wl->hostapd_ssid.SSID[0], ssid_ie->data, ssid_ie->len); wl->hostapd_ssid.SSID_len = ssid_ie->len; } else { /* P2P GO */ memset(&wl->p2p->ssid.SSID[0], 0x00, 32); memcpy(wl->p2p->ssid.SSID, ssid_ie->data, ssid_ie->len); wl->p2p->ssid.SSID_len = ssid_ie->len; } } if (wl_cfg80211_parse_ies((u8 *)info->tail, info->tail_len, &ies) < 0) { WL_ERR(("Beacon get IEs failed \n")); err = -EINVAL; goto fail; } if (wl_cfgp2p_set_management_ie(wl, 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 (!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(wl, 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 /* LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0) */ #ifdef WL_SCHED_SCAN #define PNO_TIME 30 #define PNO_REPEAT 4 #define PNO_FREQ_EXPO_MAX 2 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 wl_priv *wl = wiphy_priv(wiphy); struct cfg80211_ssid *ssid = NULL; int ssid_count = 0; int i; int ret = 0; WL_DBG(("Enter \n")); WL_PNO((">>> SCHED SCAN START\n")); WL_PNO(("Enter n_match_sets:%d n_ssids:%d \n", request->n_match_sets, request->n_ssids)); WL_PNO(("ssids:%d pno_time:%d pno_repeat:%d pno_freq:%d \n", request->n_ssids, pno_time, pno_repeat, pno_freq_expo_max)); if (!request || !request->n_ssids || !request->n_match_sets) { WL_ERR(("Invalid sched scan req!! n_ssids:%d \n", request->n_ssids)); return -EINVAL; } memset(&ssids_local, 0, sizeof(ssids_local)); if (request->n_match_sets > 0) { for (i = 0; i < request->n_match_sets; i++) { ssid = &request->match_sets[i].ssid; memcpy(ssids_local[i].SSID, ssid->ssid, ssid->ssid_len); ssids_local[i].SSID_len = ssid->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(dev, ssids_local, request->n_match_sets, pno_time, pno_repeat, pno_freq_expo_max)) < 0) { WL_ERR(("PNO setup failed!! ret=%d \n", ret)); return -EINVAL; } /* Enable the PNO */ if (dhd_dev_pno_enable(dev, 1) < 0) { WL_ERR(("PNO enable failed!! ret=%d \n", ret)); return -EINVAL; } wl->sched_scan_req = request; } else { return -EINVAL; } return 0; } int wl_cfg80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) { struct wl_priv *wl = wiphy_priv(wiphy); WL_DBG(("Enter \n")); WL_PNO((">>> SCHED SCAN STOP\n")); if (dhd_dev_pno_enable(dev, 0) < 0) WL_ERR(("PNO disable failed")); if (dhd_dev_pno_reset(dev) < 0) WL_ERR(("PNO reset failed")); if (wl->scan_request && wl->sched_scan_running) { WL_PNO((">>> Sched scan running. Aborting it..\n")); wl_notify_escan_complete(wl, dev, true, true); } wl->sched_scan_req = NULL; wl->sched_scan_running = FALSE; return 0; } #endif /* WL_SCHED_SCAN */ 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, .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, .set_channel = wl_cfg80211_set_channel, #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 /* LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0) */ #ifdef WL_SCHED_SCAN .sched_scan_start = wl_cfg80211_sched_scan_start, .sched_scan_stop = wl_cfg80211_sched_scan_stop, #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0) */ #if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \ 2, 0)) .del_station = wl_cfg80211_del_station, .mgmt_tx_cancel_wait = wl_cfg80211_mgmt_tx_cancel_wait, #endif /* WL_SUPPORT_BACKPORTED_KPATCHES || KERNEL_VERSION >= (3,2,0) */ }; 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; } static int wl_cfg80211_reg_notifier( struct wiphy *wiphy, struct regulatory_request *request) { struct wl_priv *wl = (struct wl_priv *)wiphy_priv(wiphy); wl_country_t cspec = {{0}, 0, {0} }; int ret = 0; if (!request || !wl) { 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) { WL_ERR(("reg_notifier for intiator:%d not supported \n", request->initiator)); return -ENOTSUPP; } if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { /* world domain */ WL_ERR(("World domain. Setting XY/4 \n")); strncpy(cspec.country_abbrev, "XY", strlen("XY")); cspec.rev = 4; } else { memcpy(cspec.country_abbrev, request->alpha2, 2); cspec.country_abbrev[3] = '\0'; cspec.rev = -1; /* Unspecified */ } if ((ret = wldev_iovar_setbuf(wl_to_prmry_ndev(wl), "country", (char *)&cspec, sizeof(cspec), wl->ioctl_buf, WLC_IOCTL_SMLEN, NULL)) < 0) { WL_ERR(("set country Failed :%d\n", ret)); goto exit; } if ((ret = wl_update_wiphybands(wl, false)) < 0) { WL_ERR(("wl_update_wiphybands failed\n")); goto exit; } WL_DBG(("%s: set country '%s/%d' done\n", __FUNCTION__, cspec.country_abbrev, cspec.rev)); exit: return ret; } static s32 wl_setup_wiphy(struct wireless_dev *wdev, struct device *sdiofunc_dev) { s32 err = 0; wdev->wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct wl_priv)); if (unlikely(!wdev->wiphy)) { WL_ERR(("Couldn not allocate wiphy device\n")); err = -ENOMEM; return err; } set_wiphy_dev(wdev->wiphy, sdiofunc_dev); wdev->wiphy->max_scan_ie_len = WL_SCAN_IE_LEN_MAX; /* Report how many SSIDs Driver can support per Scan request */ wdev->wiphy->max_scan_ssids = WL_SCAN_PARAMS_SSID_MAX; wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; #ifdef WL_SCHED_SCAN wdev->wiphy->max_sched_scan_ssids = MAX_PFN_LIST_COUNT; wdev->wiphy->max_match_sets = MAX_PFN_LIST_COUNT; wdev->wiphy->max_sched_scan_ie_len = WL_SCAN_IE_LEN_MAX; wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; #endif /* WL_SCHED_SCAN */ wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) #if !(defined(WLP2P) && defined(WL_ENABLE_P2P_IF)) | BIT(NL80211_IFTYPE_MONITOR) #endif | BIT(NL80211_IFTYPE_AP); 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 driver advertises FW_ROAM, the supplicant wouldn't * send the BSSID & Freq in the connect command allowing the * the driver to choose the AP to connect to. But unless we * support ROAM_CACHE in firware this will delay the ASSOC as * as the FW need to do a full scan before attempting to connect * So that feature will just increase assoc. The better approach * to let Supplicant to provide channel info and FW letter may roam * if needed so DON'T advertise that featur eto Supplicant. */ #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0) /* 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; #endif wdev->wiphy->reg_notifier = wl_cfg80211_reg_notifier; WL_DBG(("Registering custom regulatory)\n")); wdev->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY; wiphy_apply_custom_regulatory(wdev->wiphy, &brcm_regdom); /* 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); } return err; } static void wl_free_wdev(struct wl_priv *wl) { struct wireless_dev *wdev = wl->wdev; struct wiphy *wiphy; if (!wdev) { WL_ERR(("wdev is invalid\n")); return; } wiphy = wdev->wiphy; wiphy_unregister(wdev->wiphy); wdev->wiphy->dev.parent = NULL; wl_delete_all_netinfo(wl); wiphy_free(wiphy); /* PLEASE do NOT call any function after wiphy_free, the driver's private structure "wl", * which is the private part of wiphy, has been freed in wiphy_free !!!!!!!!!!! */ } static s32 wl_inform_bss(struct wl_priv *wl) { struct wl_scan_results *bss_list; struct wl_bss_info *bi = NULL; /* must be initialized */ s32 err = 0; s32 i; #if defined(RSSIAVG) struct net_device *ndev = wl_to_prmry_ndev(wl); int rssi; #endif #if defined(BSSCACHE) wl_bss_cache_t *node; #endif bss_list = wl->bss_list; #if defined(BSSCACHE) if (g_bss_cache_ctrl.m_timer_expired || (p2p_is_on(wl) && p2p_scan(wl))) { #if defined(RSSIAVG) wl_free_rssi_cache(&g_rssi_cache_ctrl); #endif wl_free_bss_cache(&g_bss_cache_ctrl); g_bss_cache_ctrl.m_timer_expired ^= 1; } wl_update_bss_cache(&g_bss_cache_ctrl, bss_list); wl_delete_dirty_bss_cache(&g_bss_cache_ctrl); wl_reset_bss_cache(&g_bss_cache_ctrl); #endif #if defined(RSSIAVG) #if defined(BSSCACHE) node = g_bss_cache_ctrl.m_cache_head; for (;node;) { wl_update_rssi_cache(&g_rssi_cache_ctrl, &node->results); node = node->next; } #else wl_update_rssi_cache(&g_rssi_cache_ctrl, bss_list); #endif if (!in_atomic()) wl_update_connected_rssi_cache(ndev, &g_rssi_cache_ctrl, &rssi); wl_delete_dirty_rssi_cache(&g_rssi_cache_ctrl); wl_reset_rssi_cache(&g_rssi_cache_ctrl); #endif WL_SCAN(("scanned AP count (%d)\n", bss_list->count)); #if defined(BSSCACHE) if (p2p_disconnected > 0) { // terence 20130703: Fix for wrong group_capab (timing issue) wl_delete_disconnected_bss_cache(&g_bss_cache_ctrl, (u8*)&p2p_disconnected_bssid); wl_delete_disconnected_rssi_cache(&g_rssi_cache_ctrl, (u8*)&p2p_disconnected_bssid); p2p_disconnected++; if (p2p_disconnected >= 3) p2p_disconnected = 0; } node = g_bss_cache_ctrl.m_cache_head; for (i=0; node && iresults.bss_info; err = wl_inform_single_bss(wl, bi, 0); node = node->next; } wl_run_bss_cache_timer(&g_bss_cache_ctrl, 0); wl_run_bss_cache_timer(&g_bss_cache_ctrl, 1); #else bi = next_bss(bss_list, bi); for_each_bss(bss_list, bi, i) { if (p2p_disconnected > 0 && !memcmp(&bi->BSSID, &p2p_disconnected_bssid, ETHER_ADDR_LEN)) continue; err = wl_inform_single_bss(wl, bi, 0); } if (p2p_disconnected > 0) { // terence 20130703: Fix for wrong group_capab (timing issue) p2p_disconnected++; if (p2p_disconnected >= 3) p2p_disconnected = 0; } #endif return err; } static s32 wl_inform_single_bss(struct wl_priv *wl, struct wl_bss_info *bi, u8 is_roam_done) { struct wiphy *wiphy = wl_to_wiphy(wl); 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(wl); struct beacon_proberesp *beacon_proberesp; struct cfg80211_bss *cbss = NULL; s32 mgmt_type; s32 signal; u32 freq; s32 err = 0; gfp_t aflags; u8 *ie_offset = NULL; if (unlikely(dtoh32(bi->length) > WL_BSS_INFO_MAX)) { WL_ERR(("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 = bi->ctl_ch ? bi->ctl_ch : CHSPEC_CHANNEL(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\n")); kfree(notif_bss_info); return -EINVAL; } notif_bss_info->rssi = dtoh16(bi->RSSI); #if defined(RSSIAVG) notif_bss_info->rssi = wl_get_avg_rssi(&g_rssi_cache_ctrl, &bi->BSSID); #endif #if defined(RSSIOFFSET) notif_bss_info->rssi = wl_update_rssi_offset(notif_bss_info->rssi); #endif memcpy(mgmt->bssid, &bi->BSSID, ETHER_ADDR_LEN); mgmt_type = wl->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 = wl->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(wl); ie_offset = ((u8 *) bi) + bi->ie_offset; if (is_roam_done && ((int)(*(ie_offset)) == WLAN_EID_SSID && ((int)(*(ie_offset+1)) == 0 || (int)(*(ie_offset+2)) == 0))) { u8 *ie_new_offset = NULL; uint8 ie_new_length; WL_ERR(("WAR trace: Changing the SSID Info, from beacon %d\n", bi->flags & WL_BSS_FLAGS_FROM_BEACON)); ie_new_offset = (u8 *)kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); if (ie_new_offset) { *(ie_new_offset) = WLAN_EID_SSID; *(ie_new_offset+1) = bi->SSID_len; memcpy(ie_new_offset+2, bi->SSID, bi->SSID_len); ie_new_length = bi->ie_length - *(ie_offset+1) + bi->SSID_len; /* Copy the remaining IE apart from SSID IE from bi */ memcpy(ie_new_offset+2 + bi->SSID_len, ie_offset+2 + *(ie_offset+1), bi->ie_length - 2 - *(ie_offset+1)); wl_mrg_ie(wl, ie_new_offset, ie_new_length); kfree(ie_new_offset); } else { wl_mrg_ie(wl, ((u8 *) bi) + bi->ie_offset, bi->ie_length); } } else { wl_mrg_ie(wl, ((u8 *) bi) + bi->ie_offset, bi->ie_length); } wl_cp_ie(wl, 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(wl); #if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 38) && !defined(WL_COMPAT_WIRELESS) freq = ieee80211_channel_to_frequency(notif_bss_info->channel); (void)band->band; #else freq = ieee80211_channel_to_frequency(notif_bss_info->channel, band->band); #endif if (freq == 0) { WL_ERR(("Invalid channel, fail to change 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_SCAN(("BSSID %pM, channel %d, rssi %d, capa 0x04%x, mgmt_type %d, " "frame_len %d, SSID \"%s\"\n", &bi->BSSID, notif_bss_info->channel, notif_bss_info->rssi, mgmt->u.beacon.capab_info, mgmt_type, notif_bss_info->frame_len, bi->SSID)); 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; } cfg80211_put_bss(cbss); kfree(notif_bss_info); return err; } static bool wl_is_linkup(struct wl_priv *wl, 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(wl, 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 wl_priv *wl, 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 wl_priv *wl, 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 wl_priv *wl, 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 = wl_to_wiphy(wl); channel_info_t ci; #else struct station_info sinfo; #endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)) && !WL_CFG80211_STA_EVENT */ 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(wl, IF_DELETING) && (ndev != wl_to_prmry_ndev(wl))) { wl_add_remove_eventmsg(ndev, WLC_E_PROBREQ_MSG, false); WL_INFO(("AP mode link down !! \n")); complete(&wl->iface_disable); return 0; } #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(wl, ndev) == WL_INVALID) { kfree(body); return WL_INVALID; } if (len) memcpy(body, data, len); wldev_iovar_getbuf_bsscfg(ndev, "cur_etheraddr", NULL, 0, wl->ioctl_buf, WLC_IOCTL_SMLEN, bsscfgidx, &wl->ioctl_buf_sync); memcpy(da.octet, wl->ioctl_buf, ETHER_ADDR_LEN); err = wldev_ioctl(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN, false); switch (event) { case WLC_E_ASSOC_IND: fc = FC_ASSOC_REQ; break; case WLC_E_REASSOC_IND: fc = FC_REASSOC_REQ; break; case WLC_E_DISASSOC_IND: fc = FC_DISASSOC; break; case WLC_E_DEAUTH_IND: fc = FC_DISASSOC; break; case WLC_E_DEAUTH: fc = FC_DISASSOC; break; default: fc = 0; goto exit; } if ((err = wldev_ioctl(ndev, WLC_GET_CHANNEL, &ci, sizeof(ci), false))) { kfree(body); return err; } channel = dtoh32(ci.hw_channel); if (channel <= CH_MAX_2G_CHANNEL) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; if (!band) { WL_ERR(("No valid band\n")); if (body) kfree(body); return -EINVAL; } #if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 38) && !defined(WL_COMPAT_WIRELESS) freq = ieee80211_channel_to_frequency(channel); (void)band->band; #else freq = ieee80211_channel_to_frequency(channel, band->band); #endif err = wl_frame_get_mgmt(fc, &da, &e->addr, &bssid, &mgmt_frame, &len, body); if (err < 0) goto exit; isfree = true; if (event == WLC_E_ASSOC_IND && reason == DOT11_SC_SUCCESS) { #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC); #else cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC); #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) */ } 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 /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) */ } 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 /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) */ } exit: if (isfree) kfree(mgmt_frame); if (body) kfree(body); return err; #else /* LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0) && !WL_CFG80211_STA_EVENT */ sinfo.filled = 0; if (((event == WLC_E_ASSOC_IND) || (event == WLC_E_REASSOC_IND)) && reason == DOT11_SC_SUCCESS) { sinfo.filled = STATION_INFO_ASSOC_REQ_IES; if (!data) { WL_ERR(("No IEs present in ASSOC/REASSOC_IND")); return -EINVAL; } sinfo.assoc_req_ies = data; sinfo.assoc_req_ies_len = len; cfg80211_new_sta(ndev, e->addr.octet, &sinfo, GFP_ATOMIC); } else if (event == WLC_E_DISASSOC_IND) { cfg80211_del_sta(ndev, e->addr.octet, GFP_ATOMIC); } else if ((event == WLC_E_DEAUTH_IND) || (event == WLC_E_DEAUTH)) { cfg80211_del_sta(ndev, e->addr.octet, GFP_ATOMIC); } #endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0) && !WL_CFG80211_STA_EVENT */ return err; } static s32 wl_get_auth_assoc_status(struct wl_priv *wl, 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(wl, 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(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data) { bool act; s32 err = 0; u32 event = ntoh32(e->event_type); if (wl_get_mode_by_netdev(wl, ndev) == WL_MODE_AP) { wl_notify_connect_status_ap(wl, ndev, e, data); } else { 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(wl, ndev, e); return err; } if (wl_is_linkup(wl, e, ndev)) { wl_link_up(wl); act = true; if (wl_is_ibssmode(wl, ndev)) { printk("cfg80211_ibss_joined\n"); cfg80211_ibss_joined(ndev, (s8 *)&e->addr, GFP_KERNEL); WL_DBG(("joined in IBSS network\n")); } else { if (!wl_get_drv_status(wl, DISCONNECTING, ndev)) { printk("wl_bss_connect_done succeeded with " MACDBG "\n", MAC2STRDBG((u8*)(&e->addr))); wl_bss_connect_done(wl, ndev, e, data, true); WL_DBG(("joined in BSS network \"%s\"\n", ((struct wlc_ssid *) wl_read_prof(wl, ndev, WL_PROF_SSID))->SSID)); } } wl_update_prof(wl, ndev, e, &act, WL_PROF_ACT); wl_update_prof(wl, ndev, NULL, (void *)&e->addr, WL_PROF_BSSID); } else if (wl_is_linkdown(wl, e)) { if (wl->scan_request) { if (wl->escan_on) { wl_notify_escan_complete(wl, ndev, true, true); } else { del_timer_sync(&wl->scan_timeout); wl_iscan_aborted(wl); } } if (wl_get_drv_status(wl, CONNECTED, ndev)) { scb_val_t scbval; u8 *curbssid = wl_read_prof(wl, ndev, WL_PROF_BSSID); s32 reason = 0; if (event == WLC_E_DEAUTH_IND || event == WLC_E_DISASSOC_IND) reason = ntoh32(e->reason); /* WLAN_REASON_UNSPECIFIED is used for hang up event in Android */ reason = (reason == WLAN_REASON_UNSPECIFIED)? 0 : reason; printk("link down if %s may call cfg80211_disconnected. " "event : %d, reason=%d from " MACDBG "\n", ndev->name, event, ntoh32(e->reason), MAC2STRDBG((u8*)(&e->addr))); if (memcmp(curbssid, &e->addr, ETHER_ADDR_LEN) != 0) { WL_ERR(("BSSID of event is not the connected BSSID" "(ignore it) cur: " MACDBG " event: " MACDBG"\n", MAC2STRDBG(curbssid), MAC2STRDBG((u8*)(&e->addr)))); return 0; } if (!memcmp(ndev->name, WL_P2P_INTERFACE_PREFIX, strlen(WL_P2P_INTERFACE_PREFIX))) { // terence 20130703: Fix for wrong group_capab (timing issue) p2p_disconnected = 1; memcpy(&p2p_disconnected_bssid, curbssid, ETHER_ADDR_LEN); } wl_clr_drv_status(wl, CONNECTED, ndev); if (! wl_get_drv_status(wl, DISCONNECTING, ndev)) { /* To make sure disconnect, explictly send dissassoc * for BSSID 00:00:00:00:00:00 issue */ scbval.val = WLAN_REASON_DEAUTH_LEAVING; memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN); scbval.val = htod32(scbval.val); err = wldev_ioctl(ndev, WLC_DISASSOC, &scbval, sizeof(scb_val_t), true); if (err < 0) { WL_ERR(("WLC_DISASSOC error %d\n", err)); err = 0; } cfg80211_disconnected(ndev, reason, NULL, 0, GFP_KERNEL); wl_link_down(wl); wl_init_prof(wl, ndev); } } else if (wl_get_drv_status(wl, CONNECTING, ndev)) { printk("link down, during connecting\n"); #ifdef ESCAN_RESULT_PATCH if ((memcmp(connect_req_bssid, broad_bssid, ETHER_ADDR_LEN) == 0) || (memcmp(&e->addr, broad_bssid, ETHER_ADDR_LEN) == 0) || (memcmp(&e->addr, connect_req_bssid, ETHER_ADDR_LEN) == 0)) /* In case this event comes while associating another AP */ #endif /* ESCAN_RESULT_PATCH */ wl_bss_connect_done(wl, ndev, e, data, false); } wl_clr_drv_status(wl, DISCONNECTING, ndev); /* if link down, bsscfg is diabled */ if (ndev != wl_to_prmry_ndev(wl)) complete(&wl->iface_disable); } else if (wl_is_nonetwork(wl, e)) { printk("connect failed event=%d e->status %d e->reason %d \n", event, (int)ntoh32(e->status), (int)ntoh32(e->reason)); /* Clean up any pending scan request */ if (wl->scan_request) { if (wl->escan_on) { wl_notify_escan_complete(wl, ndev, true, true); } else { del_timer_sync(&wl->scan_timeout); wl_iscan_aborted(wl); } } if (wl_get_drv_status(wl, CONNECTING, ndev)) wl_bss_connect_done(wl, ndev, e, data, false); } else { printk("%s nothing\n", __FUNCTION__); } } return err; } static s32 wl_notify_roaming_status(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data) { bool act; s32 err = 0; u32 event = be32_to_cpu(e->event_type); u32 status = be32_to_cpu(e->status); WL_DBG(("Enter \n")); if (event == WLC_E_ROAM && status == WLC_E_STATUS_SUCCESS) { if (wl_get_drv_status(wl, CONNECTED, ndev)) wl_bss_roaming_done(wl, ndev, e, data); else wl_bss_connect_done(wl, ndev, e, data, true); act = true; wl_update_prof(wl, ndev, e, &act, WL_PROF_ACT); wl_update_prof(wl, ndev, NULL, (void *)&e->addr, WL_PROF_BSSID); } return err; } static s32 wl_get_assoc_ies(struct wl_priv *wl, struct net_device *ndev) { wl_assoc_info_t assoc_info; struct wl_connect_info *conn_info = wl_to_conn(wl); s32 err = 0; WL_DBG(("Enter \n")); err = wldev_iovar_getbuf(ndev, "assoc_info", NULL, 0, wl->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, wl->extra_buf, sizeof(wl_assoc_info_t)); assoc_info.req_len = htod32(assoc_info.req_len); assoc_info.resp_len = htod32(assoc_info.resp_len); assoc_info.flags = htod32(assoc_info.flags); if (conn_info->req_ie_len) { conn_info->req_ie_len = 0; bzero(conn_info->req_ie, sizeof(conn_info->req_ie)); } if (conn_info->resp_ie_len) { conn_info->resp_ie_len = 0; bzero(conn_info->resp_ie, sizeof(conn_info->resp_ie)); } if (assoc_info.req_len) { err = wldev_iovar_getbuf(ndev, "assoc_req_ies", NULL, 0, wl->extra_buf, WL_ASSOC_INFO_MAX, NULL); if (unlikely(err)) { WL_ERR(("could not get assoc req (%d)\n", err)); return err; } conn_info->req_ie_len = assoc_info.req_len - sizeof(struct dot11_assoc_req); if (assoc_info.flags & WLC_ASSOC_REQ_IS_REASSOC) { conn_info->req_ie_len -= ETHER_ADDR_LEN; } if (conn_info->req_ie_len <= MAX_REQ_LINE) memcpy(conn_info->req_ie, wl->extra_buf, conn_info->req_ie_len); else { WL_ERR(("%s IE size %d above max %d size \n", __FUNCTION__, conn_info->req_ie_len, MAX_REQ_LINE)); return err; } } else { conn_info->req_ie_len = 0; } if (assoc_info.resp_len) { err = wldev_iovar_getbuf(ndev, "assoc_resp_ies", NULL, 0, wl->extra_buf, WL_ASSOC_INFO_MAX, NULL); if (unlikely(err)) { WL_ERR(("could not get assoc resp (%d)\n", err)); return err; } conn_info->resp_ie_len = assoc_info.resp_len -sizeof(struct dot11_assoc_resp); if (conn_info->resp_ie_len <= MAX_REQ_LINE) memcpy(conn_info->resp_ie, wl->extra_buf, conn_info->resp_ie_len); else { WL_ERR(("%s IE size %d above max %d size \n", __FUNCTION__, conn_info->resp_ie_len, MAX_REQ_LINE)); return err; } } else { conn_info->resp_ie_len = 0; } WL_DBG(("req len (%d) resp len (%d)\n", conn_info->req_ie_len, conn_info->resp_ie_len)); return err; } static void wl_ch_to_chanspec(int ch, struct wl_join_params *join_params, size_t *join_params_size) { 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 wl_priv *wl, struct net_device *ndev, u8 is_roam_done) { struct cfg80211_bss *bss; struct wl_bss_info *bi; struct wlc_ssid *ssid; struct bcm_tlv *tim; s32 beacon_interval; s32 dtim_period; size_t ie_len; u8 *ie; u8 *ssidie; u8 *curbssid; s32 err = 0; struct wiphy *wiphy; wiphy = wl_to_wiphy(wl); if (wl_is_ibssmode(wl, ndev)) return err; ssid = (struct wlc_ssid *)wl_read_prof(wl, ndev, WL_PROF_SSID); curbssid = wl_read_prof(wl, ndev, WL_PROF_BSSID); bss = cfg80211_get_bss(wiphy, NULL, curbssid, ssid->SSID, ssid->SSID_len, WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); mutex_lock(&wl->usr_sync); if (!bss) { WL_DBG(("Could not find the AP\n")); *(u32 *) wl->extra_buf = htod32(WL_EXTRA_BUF_MAX); err = wldev_ioctl(ndev, WLC_GET_BSS_INFO, wl->extra_buf, WL_EXTRA_BUF_MAX, false); if (unlikely(err)) { WL_ERR(("Could not get bss info %d\n", err)); goto update_bss_info_out; } bi = (struct wl_bss_info *)(wl->extra_buf + 4); if (memcmp(bi->BSSID.octet, curbssid, ETHER_ADDR_LEN)) { err = -EIO; goto update_bss_info_out; } ie = ((u8 *)bi) + bi->ie_offset; ie_len = bi->ie_length; ssidie = (u8 *)cfg80211_find_ie(WLAN_EID_SSID, ie, ie_len); if (ssidie && ssidie[1] == bi->SSID_len && !ssidie[2] && bi->SSID[0]) memcpy(ssidie + 2, bi->SSID, bi->SSID_len); err = wl_inform_single_bss(wl, bi, is_roam_done); 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)); ie = bss->information_elements; ie_len = bss->len_information_elements; beacon_interval = bss->beacon_interval; cfg80211_put_bss(bss); } tim = bcm_parse_tlvs(ie, ie_len, WLAN_EID_TIM); if (tim) { dtim_period = tim->data[1]; } else { /* * active scan was done so we could not get dtim * information out of probe response. * so we speficially query dtim information. */ 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(wl, ndev, NULL, &beacon_interval, WL_PROF_BEACONINT); wl_update_prof(wl, ndev, NULL, &dtim_period, WL_PROF_DTIMPERIOD); update_bss_info_out: mutex_unlock(&wl->usr_sync); return err; } static s32 wl_bss_roaming_done(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data) { struct wl_connect_info *conn_info = wl_to_conn(wl); s32 err = 0; u8 *curbssid; wl_get_assoc_ies(wl, ndev); wl_update_prof(wl, ndev, NULL, (void *)(e->addr.octet), WL_PROF_BSSID); curbssid = wl_read_prof(wl, ndev, WL_PROF_BSSID); wl_update_bss_info(wl, ndev, 1); wl_update_pmklist(ndev, wl->pmk_list, err); printk("wl_bss_roaming_done succeeded to " MACDBG "\n", MAC2STRDBG((u8*)(&e->addr))); cfg80211_roamed(ndev, #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0) NULL, /* struct cfg80211_bss *bss */ #elif LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39) NULL, #endif curbssid, conn_info->req_ie, conn_info->req_ie_len, conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL); WL_DBG(("Report roaming result\n")); wl_set_drv_status(wl, CONNECTED, ndev); return err; } static s32 wl_bss_connect_done(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data, bool completed) { struct wl_connect_info *conn_info = wl_to_conn(wl); struct wl_security *sec = wl_read_prof(wl, ndev, WL_PROF_SEC); s32 err = 0; u8 *curbssid = wl_read_prof(wl, 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(wl, 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 (wl->scan_request) { wl_notify_escan_complete(wl, ndev, true, true); } #endif /* ESCAN_RESULT_PATCH */ if (wl_get_drv_status(wl, CONNECTING, ndev)) { wl_clr_drv_status(wl, CONNECTING, ndev); if (completed) { wl_get_assoc_ies(wl, ndev); wl_update_prof(wl, ndev, NULL, (void *)(e->addr.octet), WL_PROF_BSSID); curbssid = wl_read_prof(wl, ndev, WL_PROF_BSSID); wl_update_bss_info(wl, ndev, 0); wl_update_pmklist(ndev, wl->pmk_list, err); wl_set_drv_status(wl, CONNECTED, ndev); } 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_INFO(("Report connect result - connection succeeded\n")); else WL_ERR(("Report connect result - connection failed\n")); } return err; } static s32 wl_notify_mic_status(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data) { u16 flags = ntoh16(e->flags); enum nl80211_key_type key_type; mutex_lock(&wl->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(&wl->usr_sync); return 0; } #ifdef PNO_SUPPORT static s32 wl_notify_pfn_status(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data) { WL_ERR((">>> PNO Event\n")); #ifndef WL_SCHED_SCAN mutex_lock(&wl->usr_sync); /* TODO: Use cfg80211_sched_scan_results(wiphy); */ cfg80211_disconnected(ndev, 0, NULL, 0, GFP_KERNEL); mutex_unlock(&wl->usr_sync); #else /* If cfg80211 scheduled scan is supported, report the pno results via sched * scan results */ wl_notify_sched_scan_results(wl, ndev, e, data); #endif /* WL_SCHED_SCAN */ return 0; } #endif /* PNO_SUPPORT */ static s32 wl_notify_scan_status(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data) { struct channel_info channel_inform; struct wl_scan_results *bss_list; u32 len = WL_SCAN_BUF_MAX; s32 err = 0; unsigned long flags; WL_DBG(("Enter \n")); if (!wl_get_drv_status(wl, SCANNING, ndev)) { WL_ERR(("scan is not ready \n")); return err; } if (wl->iscan_on && wl->iscan_kickstart) return wl_wakeup_iscan(wl_to_iscan(wl)); mutex_lock(&wl->usr_sync); wl_clr_drv_status(wl, SCANNING, ndev); err = wldev_ioctl(ndev, WLC_GET_CHANNEL, &channel_inform, sizeof(channel_inform), false); if (unlikely(err)) { WL_ERR(("scan busy (%d)\n", err)); goto scan_done_out; } channel_inform.scan_channel = dtoh32(channel_inform.scan_channel); if (unlikely(channel_inform.scan_channel)) { WL_DBG(("channel_inform.scan_channel (%d)\n", channel_inform.scan_channel)); } wl->bss_list = wl->scan_results; bss_list = wl->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(!wl->scan_suppressed)) { WL_ERR(("%s Scan_results error (%d)\n", ndev->name, err)); err = -EINVAL; goto scan_done_out; } bss_list->buflen = dtoh32(bss_list->buflen); bss_list->version = dtoh32(bss_list->version); bss_list->count = dtoh32(bss_list->count); err = wl_inform_bss(wl); scan_done_out: del_timer_sync(&wl->scan_timeout); spin_lock_irqsave(&wl->cfgdrv_lock, flags); if (wl->scan_request) { cfg80211_scan_done(wl->scan_request, false); wl->scan_request = NULL; } spin_unlock_irqrestore(&wl->cfgdrv_lock, flags); WL_DBG(("cfg80211_scan_done\n")); mutex_unlock(&wl->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 wl_priv *wl, struct net_device *ndev) { if (wl_get_drv_status_all(wl, SENDING_ACT_FRM) && (wl_get_p2p_status(wl, ACTION_TX_COMPLETED) || wl_get_p2p_status(wl, ACTION_TX_NOACK))) { 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 (wl->af_sent_channel) /* wl_cfg80211_scan_abort(wl, ndev); */ wl_notify_escan_complete(wl, (ndev == wl->p2p_net) ? wl_to_prmry_ndev(wl) : ndev, true, true); } #ifdef WL_CFG80211_SYNC_GON else if (wl_get_drv_status_all(wl, WAITING_NEXT_ACT_FRM_LISTEN)) { WL_DBG(("*** Wake UP ** abort listen for next af frame\n")); /* So abort scan to cancel listen */ wl_notify_escan_complete(wl, (ndev == wl->p2p_net) ? wl_to_prmry_ndev(wl) : ndev, true, true); } #endif /* WL_CFG80211_SYNC_GON */ } static s32 wl_notify_rx_mgmt_frame(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data) { struct ieee80211_supported_band *band; struct wiphy *wiphy = wl_to_wiphy(wl); struct ether_addr da; struct ether_addr bssid; bool isfree = false; s32 err = 0; s32 freq; struct net_device *dev = NULL; wifi_p2p_pub_act_frame_t *act_frm = NULL; wifi_p2p_action_frame_t *p2p_act_frm = NULL; wifi_p2psd_gas_pub_act_frame_t *sd_act_frm = NULL; wl_event_rx_frame_data_t *rxframe = (wl_event_rx_frame_data_t*)data; u32 event = ntoh32(e->event_type); u8 *mgmt_frame; u8 bsscfgidx = e->bsscfgidx; u32 mgmt_frame_len = ntoh32(e->datalen) - sizeof(wl_event_rx_frame_data_t); u16 channel = ((ntoh16(rxframe->channel) & WL_CHANSPEC_CHAN_MASK)); memset(&bssid, 0, ETHER_ADDR_LEN); if (wl->p2p_net == ndev) { dev = wl_to_prmry_ndev(wl); } else { dev = ndev; } if (channel <= CH_MAX_2G_CHANNEL) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; if (!band) { WL_ERR(("No valid band\n")); return -EINVAL; } #if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 38) && !defined(WL_COMPAT_WIRELESS) 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(dev, "cur_etheraddr", NULL, 0, wl->ioctl_buf, WLC_IOCTL_SMLEN, bsscfgidx, &wl->ioctl_buf_sync); err = wldev_ioctl(dev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN, false); if (err < 0) WL_ERR(("WLC_GET_BSSID error %d\n", err)); memcpy(da.octet, wl->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(("%s: Error in receiving action frame len %d channel %d freq %d\n", __func__, 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(wl, WAITING_NEXT_ACT_FRM)) { if (wl->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(wl, WAITING_NEXT_ACT_FRM, (ndev == wl->p2p_net) ? wl_to_prmry_ndev(wl) : ndev); /* Stop waiting for next AF. */ wl_stop_wait_next_action_frame(wl, ndev); } } (void) sd_act_frm; } else { /* * if we got normal action frame and ndev is p2p0, * we have to change ndev from p2p0 to wlan0 */ if (wl->p2p_net == ndev) ndev = wl_to_prmry_ndev(wl); } if (act_frm) { if (wl_get_drv_status_all(wl, WAITING_NEXT_ACT_FRM)) { if (wl->next_af_subtype == act_frm->subtype) { WL_DBG(("We got a right next frame!(%d)\n", act_frm->subtype)); wl_clr_drv_status(wl, WAITING_NEXT_ACT_FRM, (ndev == wl->p2p_net) ? wl_to_prmry_ndev(wl) : ndev); /* Stop waiting for next AF. */ wl_stop_wait_next_action_frame(wl, ndev); } } } wl_cfgp2p_print_actframe(false, &mgmt_frame[DOT11_MGMT_HDR_LEN], mgmt_frame_len - DOT11_MGMT_HDR_LEN); /* * 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(dev, "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(wl, GO_NEG_PHASE); } } 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 (wl->p2p && wl_get_p2p_status(wl, GO_NEG_PHASE)) { WL_DBG(("Filtering P2P probe_req while " "being in GO-Neg state\n")); return 0; } } } #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, mgmt_frame_len, GFP_ATOMIC); #else cfg80211_rx_mgmt(ndev, freq, mgmt_frame, mgmt_frame_len, GFP_ATOMIC); #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0) */ WL_DBG(("%s: mgmt_frame_len (%d) , e->datalen (%d), channel (%d), freq (%d)\n", __func__, 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 wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data) { wl_pfn_net_info_t *netinfo, *pnetinfo; struct cfg80211_scan_request request; struct wiphy *wiphy = wl_to_wiphy(wl); int err = 0; 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; 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", pfn_result->count)); if (pfn_result->count > 0) { int i; memset(&request, 0x00, sizeof(struct cfg80211_scan_request)); memset(&ssid, 0x00, sizeof(ssid)); request.wiphy = wiphy; pnetinfo = (wl_pfn_net_info_t *)(data + sizeof(wl_pfn_scanresults_t) - sizeof(wl_pfn_net_info_t)); channel = (struct ieee80211_channel *)kzalloc( (sizeof(struct ieee80211_channel) * MAX_PFN_LIST_COUNT), GFP_KERNEL); if (!channel) { WL_ERR(("No memory")); err = -ENOMEM; goto out_err; } for (i = 0; i < pfn_result->count; 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. */ memcpy(ssid[i].ssid, netinfo->pfnsubnet.SSID, netinfo->pfnsubnet.SSID_len); ssid[i].ssid_len = netinfo->pfnsubnet.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(wl, SCANNING)) { /* Abort any on-going scan */ wl_notify_escan_complete(wl, ndev, true, true); } if (wl_get_p2p_status(wl, DISCOVERY_ON)) { WL_PNO((">>> P2P discovery was ON. Disabling it\n")); err = wl_cfgp2p_discover_enable_search(wl, false); if (unlikely(err)) { wl_clr_drv_status(wl, SCANNING, ndev); goto out_err; } } wl_set_drv_status(wl, SCANNING, ndev); #if FULL_ESCAN_ON_PFN_NET_FOUND WL_PNO((">>> Doing Full ESCAN on PNO event\n")); err = wl_do_escan(wl, wiphy, ndev, NULL); #else WL_PNO((">>> Doing targeted ESCAN on PNO event\n")); err = wl_do_escan(wl, wiphy, ndev, &request); #endif if (err) { wl_clr_drv_status(wl, SCANNING, ndev); goto out_err; } wl->sched_scan_running = TRUE; } else { WL_ERR(("FALSE PNO Event. (pfn_count == 0) \n")); } out_err: 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 wl_priv *wl, struct net_device *ndev) { unsigned long flags; struct wl_profile *profile = wl_get_profile_by_netdev(wl, ndev); spin_lock_irqsave(&wl->cfgdrv_lock, flags); memset(profile, 0, sizeof(struct wl_profile)); spin_unlock_irqrestore(&wl->cfgdrv_lock, flags); } static void wl_init_event_handler(struct wl_priv *wl) { memset(wl->evt_handler, 0, sizeof(wl->evt_handler)); wl->evt_handler[WLC_E_SCAN_COMPLETE] = wl_notify_scan_status; wl->evt_handler[WLC_E_AUTH] = wl_notify_connect_status; wl->evt_handler[WLC_E_ASSOC] = wl_notify_connect_status; wl->evt_handler[WLC_E_LINK] = wl_notify_connect_status; wl->evt_handler[WLC_E_DEAUTH_IND] = wl_notify_connect_status; wl->evt_handler[WLC_E_DEAUTH] = wl_notify_connect_status; wl->evt_handler[WLC_E_DISASSOC_IND] = wl_notify_connect_status; wl->evt_handler[WLC_E_ASSOC_IND] = wl_notify_connect_status; wl->evt_handler[WLC_E_REASSOC_IND] = wl_notify_connect_status; wl->evt_handler[WLC_E_ROAM] = wl_notify_roaming_status; wl->evt_handler[WLC_E_MIC_ERROR] = wl_notify_mic_status; wl->evt_handler[WLC_E_SET_SSID] = wl_notify_connect_status; wl->evt_handler[WLC_E_ACTION_FRAME_RX] = wl_notify_rx_mgmt_frame; wl->evt_handler[WLC_E_PROBREQ_MSG] = wl_notify_rx_mgmt_frame; wl->evt_handler[WLC_E_P2P_PROBREQ_MSG] = wl_notify_rx_mgmt_frame; wl->evt_handler[WLC_E_P2P_DISC_LISTEN_COMPLETE] = wl_cfgp2p_listen_complete; wl->evt_handler[WLC_E_ACTION_FRAME_COMPLETE] = wl_cfgp2p_action_tx_complete; wl->evt_handler[WLC_E_ACTION_FRAME_OFF_CHAN_COMPLETE] = wl_cfgp2p_action_tx_complete; #ifdef PNO_SUPPORT wl->evt_handler[WLC_E_PFN_NET_FOUND] = wl_notify_pfn_status; #endif /* PNO_SUPPORT */ } static s32 wl_init_priv_mem(struct wl_priv *wl) { WL_DBG(("Enter \n")); wl->scan_results = (void *)kzalloc(WL_SCAN_BUF_MAX, GFP_KERNEL); if (unlikely(!wl->scan_results)) { WL_ERR(("Scan results alloc failed\n")); goto init_priv_mem_out; } wl->conf = (void *)kzalloc(sizeof(*wl->conf), GFP_KERNEL); if (unlikely(!wl->conf)) { WL_ERR(("wl_conf alloc failed\n")); goto init_priv_mem_out; } wl->scan_req_int = (void *)kzalloc(sizeof(*wl->scan_req_int), GFP_KERNEL); if (unlikely(!wl->scan_req_int)) { WL_ERR(("Scan req alloc failed\n")); goto init_priv_mem_out; } wl->ioctl_buf = (void *)kzalloc(WLC_IOCTL_MAXLEN, GFP_KERNEL); if (unlikely(!wl->ioctl_buf)) { WL_ERR(("Ioctl buf alloc failed\n")); goto init_priv_mem_out; } wl->escan_ioctl_buf = (void *)kzalloc(WLC_IOCTL_MAXLEN, GFP_KERNEL); if (unlikely(!wl->escan_ioctl_buf)) { WL_ERR(("Ioctl buf alloc failed\n")); goto init_priv_mem_out; } wl->extra_buf = (void *)kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); if (unlikely(!wl->extra_buf)) { WL_ERR(("Extra buf alloc failed\n")); goto init_priv_mem_out; } wl->iscan = (void *)kzalloc(sizeof(*wl->iscan), GFP_KERNEL); if (unlikely(!wl->iscan)) { WL_ERR(("Iscan buf alloc failed\n")); goto init_priv_mem_out; } wl->pmk_list = (void *)kzalloc(sizeof(*wl->pmk_list), GFP_KERNEL); if (unlikely(!wl->pmk_list)) { WL_ERR(("pmk list alloc failed\n")); goto init_priv_mem_out; } wl->sta_info = (void *)kzalloc(sizeof(*wl->sta_info), GFP_KERNEL); if (unlikely(!wl->sta_info)) { WL_ERR(("sta info alloc failed\n")); goto init_priv_mem_out; } #if defined(STATIC_WL_PRIV_STRUCT) wl->conn_info = (void *)kzalloc(sizeof(*wl->conn_info), GFP_KERNEL); if (unlikely(!wl->conn_info)) { WL_ERR(("wl->conn_info alloc failed\n")); goto init_priv_mem_out; } wl->ie = (void *)kzalloc(sizeof(*wl->ie), GFP_KERNEL); if (unlikely(!wl->ie)) { WL_ERR(("wl->ie alloc failed\n")); goto init_priv_mem_out; } wl->escan_info.escan_buf = dhd_os_prealloc(NULL, DHD_PREALLOC_WIPHY_ESCAN0, 0); bzero(wl->escan_info.escan_buf, ESCAN_BUF_SIZE); #endif /* STATIC_WL_PRIV_STRUCT */ wl->afx_hdl = (void *)kzalloc(sizeof(*wl->afx_hdl), GFP_KERNEL); if (unlikely(!wl->afx_hdl)) { WL_ERR(("afx hdl alloc failed\n")); goto init_priv_mem_out; } else { init_completion(&wl->act_frm_scan); init_completion(&wl->wait_next_af); INIT_WORK(&wl->afx_hdl->work, wl_cfg80211_afx_handler); } return 0; init_priv_mem_out: wl_deinit_priv_mem(wl); return -ENOMEM; } static void wl_deinit_priv_mem(struct wl_priv *wl) { kfree(wl->scan_results); wl->scan_results = NULL; kfree(wl->conf); wl->conf = NULL; kfree(wl->scan_req_int); wl->scan_req_int = NULL; kfree(wl->ioctl_buf); wl->ioctl_buf = NULL; kfree(wl->escan_ioctl_buf); wl->escan_ioctl_buf = NULL; kfree(wl->extra_buf); wl->extra_buf = NULL; kfree(wl->iscan); wl->iscan = NULL; kfree(wl->pmk_list); wl->pmk_list = NULL; kfree(wl->sta_info); wl->sta_info = NULL; #if defined(STATIC_WL_PRIV_STRUCT) kfree(wl->conn_info); wl->conn_info = NULL; kfree(wl->ie); wl->ie = NULL; wl->escan_info.escan_buf = NULL; #endif /* STATIC_WL_PRIV_STRUCT */ if (wl->afx_hdl) { cancel_work_sync(&wl->afx_hdl->work); kfree(wl->afx_hdl); wl->afx_hdl = NULL; } if (wl->ap_info) { kfree(wl->ap_info->wpa_ie); kfree(wl->ap_info->rsn_ie); kfree(wl->ap_info->wps_ie); kfree(wl->ap_info); wl->ap_info = NULL; } } static s32 wl_create_event_handler(struct wl_priv *wl) { int ret = 0; WL_DBG(("Enter \n")); /* Do not use DHD in cfg driver */ wl->event_tsk.thr_pid = -1; #ifdef USE_KTHREAD_API PROC_START2(wl_event_handler, wl, &wl->event_tsk, 0, "wl_event_handler"); #else PROC_START(wl_event_handler, wl, &wl->event_tsk, 0); #endif if (wl->event_tsk.thr_pid < 0) ret = -ENOMEM; return ret; } static void wl_destroy_event_handler(struct wl_priv *wl) { if (wl->event_tsk.thr_pid >= 0) PROC_STOP(&wl->event_tsk); } static void wl_term_iscan(struct wl_priv *wl) { struct wl_iscan_ctrl *iscan = wl_to_iscan(wl); WL_TRACE(("In\n")); if (wl->iscan_on && iscan->tsk) { iscan->state = WL_ISCAN_STATE_IDLE; WL_INFO(("SIGTERM\n")); send_sig(SIGTERM, iscan->tsk, 1); WL_DBG(("kthread_stop\n")); kthread_stop(iscan->tsk); iscan->tsk = NULL; } } static void wl_notify_iscan_complete(struct wl_iscan_ctrl *iscan, bool aborted) { struct wl_priv *wl = iscan_to_wl(iscan); struct net_device *ndev = wl_to_prmry_ndev(wl); unsigned long flags; WL_DBG(("Enter \n")); if (!wl_get_drv_status(wl, SCANNING, ndev)) { wl_clr_drv_status(wl, SCANNING, ndev); WL_ERR(("Scan complete while device not scanning\n")); return; } spin_lock_irqsave(&wl->cfgdrv_lock, flags); wl_clr_drv_status(wl, SCANNING, ndev); if (likely(wl->scan_request)) { cfg80211_scan_done(wl->scan_request, aborted); wl->scan_request = NULL; } spin_unlock_irqrestore(&wl->cfgdrv_lock, flags); wl->iscan_kickstart = false; } static s32 wl_wakeup_iscan(struct wl_iscan_ctrl *iscan) { if (likely(iscan->state != WL_ISCAN_STATE_IDLE)) { WL_DBG(("wake up iscan\n")); up(&iscan->sync); return 0; } return -EIO; } static s32 wl_get_iscan_results(struct wl_iscan_ctrl *iscan, u32 *status, struct wl_scan_results **bss_list) { struct wl_iscan_results list; struct wl_scan_results *results; struct wl_iscan_results *list_buf; s32 err = 0; WL_DBG(("Enter \n")); memset(iscan->scan_buf, 0, WL_ISCAN_BUF_MAX); list_buf = (struct wl_iscan_results *)iscan->scan_buf; results = &list_buf->results; results->buflen = WL_ISCAN_RESULTS_FIXED_SIZE; results->version = 0; results->count = 0; memset(&list, 0, sizeof(list)); list.results.buflen = htod32(WL_ISCAN_BUF_MAX); err = wldev_iovar_getbuf(iscan->dev, "iscanresults", &list, WL_ISCAN_RESULTS_FIXED_SIZE, iscan->scan_buf, WL_ISCAN_BUF_MAX, NULL); if (unlikely(err)) { WL_ERR(("error (%d)\n", err)); return err; } results->buflen = dtoh32(results->buflen); results->version = dtoh32(results->version); results->count = dtoh32(results->count); WL_DBG(("results->count = %d\n", results->count)); WL_DBG(("results->buflen = %d\n", results->buflen)); *status = dtoh32(list_buf->status); *bss_list = results; return err; } static s32 wl_iscan_done(struct wl_priv *wl) { struct wl_iscan_ctrl *iscan = wl->iscan; s32 err = 0; iscan->state = WL_ISCAN_STATE_IDLE; mutex_lock(&wl->usr_sync); wl_inform_bss(wl); wl_notify_iscan_complete(iscan, false); mutex_unlock(&wl->usr_sync); return err; } static s32 wl_iscan_pending(struct wl_priv *wl) { struct wl_iscan_ctrl *iscan = wl->iscan; s32 err = 0; /* Reschedule the timer */ mod_timer(&iscan->timer, jiffies + msecs_to_jiffies(iscan->timer_ms)); iscan->timer_on = 1; return err; } static s32 wl_iscan_inprogress(struct wl_priv *wl) { struct wl_iscan_ctrl *iscan = wl->iscan; s32 err = 0; mutex_lock(&wl->usr_sync); wl_inform_bss(wl); wl_run_iscan(iscan, NULL, WL_SCAN_ACTION_CONTINUE); mutex_unlock(&wl->usr_sync); /* Reschedule the timer */ mod_timer(&iscan->timer, jiffies + msecs_to_jiffies(iscan->timer_ms)); iscan->timer_on = 1; return err; } static s32 wl_iscan_aborted(struct wl_priv *wl) { struct wl_iscan_ctrl *iscan = wl->iscan; s32 err = 0; iscan->state = WL_ISCAN_STATE_IDLE; mutex_lock(&wl->usr_sync); wl_notify_iscan_complete(iscan, true); mutex_unlock(&wl->usr_sync); return err; } static s32 wl_iscan_thread(void *data) { struct wl_iscan_ctrl *iscan = (struct wl_iscan_ctrl *)data; struct wl_priv *wl = iscan_to_wl(iscan); u32 status; int err = 0; allow_signal(SIGTERM); status = WL_SCAN_RESULTS_PARTIAL; while (likely(!down_interruptible(&iscan->sync))) { if (kthread_should_stop()) break; if (iscan->timer_on) { del_timer_sync(&iscan->timer); iscan->timer_on = 0; } mutex_lock(&wl->usr_sync); err = wl_get_iscan_results(iscan, &status, &wl->bss_list); if (unlikely(err)) { status = WL_SCAN_RESULTS_ABORTED; WL_ERR(("Abort iscan\n")); } mutex_unlock(&wl->usr_sync); iscan->iscan_handler[status] (wl); } if (iscan->timer_on) { del_timer_sync(&iscan->timer); iscan->timer_on = 0; } WL_DBG(("%s was terminated\n", __func__)); return 0; } static void wl_scan_timeout(unsigned long data) { struct wl_priv *wl = (struct wl_priv *)data; struct net_device *ndev = wl_to_prmry_ndev(wl); if (wl->scan_request) { WL_ERR(("timer expired\n")); if (wl->escan_on) wl_notify_escan_complete(wl, wl->escan_info.ndev, true, true); else wl_notify_iscan_complete(wl_to_iscan(wl), true); // terence 20130729: work around to fix out of memory in firmware WL_ERR(("Send hang event\n")); net_os_send_hang_message(ndev); } } static void wl_iscan_timer(unsigned long data) { struct wl_iscan_ctrl *iscan = (struct wl_iscan_ctrl *)data; if (iscan) { iscan->timer_on = 0; WL_DBG(("timer expired\n")); wl_wakeup_iscan(iscan); } } static s32 wl_invoke_iscan(struct wl_priv *wl) { struct wl_iscan_ctrl *iscan = wl_to_iscan(wl); int err = 0; if (wl->iscan_on && !iscan->tsk) { iscan->state = WL_ISCAN_STATE_IDLE; sema_init(&iscan->sync, 0); iscan->tsk = kthread_run(wl_iscan_thread, iscan, "wl_iscan"); if (IS_ERR(iscan->tsk)) { WL_ERR(("Could not create iscan thread\n")); iscan->tsk = NULL; return -ENOMEM; } } return err; } static void wl_init_iscan_handler(struct wl_iscan_ctrl *iscan) { memset(iscan->iscan_handler, 0, sizeof(iscan->iscan_handler)); iscan->iscan_handler[WL_SCAN_RESULTS_SUCCESS] = wl_iscan_done; iscan->iscan_handler[WL_SCAN_RESULTS_PARTIAL] = wl_iscan_inprogress; iscan->iscan_handler[WL_SCAN_RESULTS_PENDING] = wl_iscan_pending; iscan->iscan_handler[WL_SCAN_RESULTS_ABORTED] = wl_iscan_aborted; iscan->iscan_handler[WL_SCAN_RESULTS_NO_MEM] = wl_iscan_aborted; } static s32 wl_cfg80211_netdev_notifier_call(struct notifier_block * nb, unsigned long state, void *ndev) { struct net_device *dev = ndev; struct wireless_dev *wdev = dev->ieee80211_ptr; struct wl_priv *wl = wlcfg_drv_priv; int refcnt = 0; WL_DBG(("Enter \n")); if (!wdev || !wl || dev == wl_to_prmry_ndev(wl)) return NOTIFY_DONE; switch (state) { case NETDEV_DOWN: while (work_pending(&wdev->cleanup_work) && refcnt < 100) { if (refcnt%5 == 0) WL_ERR(("%s : [NETDEV_DOWN] work_pending (%d th)\n", __FUNCTION__, refcnt)); set_current_state(TASK_INTERRUPTIBLE); schedule_timeout(100); set_current_state(TASK_RUNNING); refcnt++; } break; case NETDEV_UNREGISTER: /* after calling list_del_rcu(&wdev->list) */ wl_dealloc_netinfo(wl, ndev); break; case NETDEV_GOING_DOWN: /* At NETDEV_DOWN state, wdev_cleanup_work work will be called. * In front of door, the function checks * whether current scan is working or not. * If the scanning is still working, wdev_cleanup_work call WARN_ON and * make the scan done forcibly. */ if (wl_get_drv_status(wl, SCANNING, dev)) { if (wl->escan_on) { wl_notify_escan_complete(wl, dev, true, true); } } break; } return NOTIFY_DONE; } static struct notifier_block wl_cfg80211_netdev_notifier = { .notifier_call = wl_cfg80211_netdev_notifier_call, }; static s32 wl_notify_escan_complete(struct wl_priv *wl, struct net_device *ndev, bool aborted, bool fw_abort) { wl_scan_params_t *params = NULL; s32 params_size = 0; s32 err = BCME_OK; unsigned long flags; struct net_device *dev; WL_DBG(("Enter \n")); if (wl->escan_info.ndev != ndev) { WL_ERR(("ndev is different %p %p\n", wl->escan_info.ndev, ndev)); return err; } if (wl->scan_request) { if (wl->scan_request->dev == wl->p2p_net) dev = wl_to_prmry_ndev(wl); else dev = wl->scan_request->dev; } else { WL_DBG(("wl->scan_request is NULL may be internal scan." "doing scan_abort for ndev %p primary %p p2p_net %p", ndev, wl_to_prmry_ndev(wl), wl->p2p_net)); dev = ndev; } if (fw_abort && !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")); } } } if (timer_pending(&wl->scan_timeout)) del_timer_sync(&wl->scan_timeout); #if defined(ESCAN_RESULT_PATCH) if (likely(wl->scan_request)) { wl->bss_list = (wl_scan_results_t *)wl->escan_info.escan_buf; wl_inform_bss(wl); } #endif /* ESCAN_RESULT_PATCH */ spin_lock_irqsave(&wl->cfgdrv_lock, flags); #ifdef WL_SCHED_SCAN if (wl->sched_scan_req && !wl->scan_request) { WL_PNO((">>> REPORTING SCHED SCAN RESULTS \n")); if (aborted) cfg80211_sched_scan_stopped(wl->sched_scan_req->wiphy); else cfg80211_sched_scan_results(wl->sched_scan_req->wiphy); wl->sched_scan_running = FALSE; wl->sched_scan_req = NULL; } #endif /* WL_SCHED_SCAN */ if (likely(wl->scan_request)) { cfg80211_scan_done(wl->scan_request, aborted); wl->scan_request = NULL; } if (p2p_is_on(wl)) wl_clr_p2p_status(wl, SCANNING); wl_clr_drv_status(wl, SCANNING, dev); spin_unlock_irqrestore(&wl->cfgdrv_lock, flags); if (params) kfree(params); return err; } static s32 wl_escan_handler(struct wl_priv *wl, struct net_device *ndev, 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; u32 bi_length; u32 i; u8 *p2p_dev_addr = NULL; struct wiphy *wiphy = wl_to_wiphy(wl); u16 channel; struct ieee80211_supported_band *band; WL_DBG((" enter event type : %d, status : %d \n", ntoh32(e->event_type), ntoh32(e->status))); mutex_lock(&wl->usr_sync); /* P2P SCAN is coming from primary interface */ if (wl_get_p2p_status(wl, SCANNING)) { if (wl_get_drv_status_all(wl, SENDING_ACT_FRM)) ndev = wl->afx_hdl->dev; else ndev = wl->escan_info.ndev; } if (!ndev || !wl->escan_on || (!wl_get_drv_status(wl, SCANNING, ndev) && !wl->sched_scan_running)) { WL_ERR(("escan is not ready ndev %p wl->escan_on %d drv_status 0x%x\n", ndev, wl->escan_on, wl_get_drv_status(wl, SCANNING, ndev))); goto exit; } if (status == WLC_E_STATUS_PARTIAL) { WL_INFO(("WLC_E_STATUS_PARTIAL \n")); escan_result = (wl_escan_result_t *) data; if (!escan_result) { WL_ERR(("Invalid escan result (NULL pointer)\n")); goto exit; } if (dtoh16(escan_result->bss_count) != 1) { WL_ERR(("Invalid bss_count %d: ignoring\n", escan_result->bss_count)); goto exit; } bi = escan_result->bss_info; if (!bi) { WL_ERR(("Invalid escan bss info (NULL pointer)\n")); goto exit; } bi_length = dtoh32(bi->length); if (bi_length != (dtoh32(escan_result->buflen) - WL_ESCAN_RESULTS_FIXED_SIZE)) { WL_ERR(("Invalid bss_info length %d: ignoring\n", bi_length)); goto exit; } /* +++++ terence 20130524: skip invalid bss */ channel = bi->ctl_ch ? bi->ctl_ch : CHSPEC_CHANNEL(wl_chspec_driver_to_host(bi->chanspec)); if (channel <= CH_MAX_2G_CHANNEL) band = wiphy->bands[IEEE80211_BAND_2GHZ]; else band = wiphy->bands[IEEE80211_BAND_5GHZ]; if (!band) { WL_ERR(("No valid band\n")); goto exit; } /* ----- terence 20130524: skip invalid bss */ if (!(wl_to_wiphy(wl)->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(wl, FINDING_COMMON_CHANNEL)) { p2p_dev_addr = wl_cfgp2p_retreive_p2p_dev_addr(bi, bi_length); if (p2p_dev_addr && !memcmp(p2p_dev_addr, wl->afx_hdl->tx_dst_addr.octet, ETHER_ADDR_LEN)) { s32 channel = CHSPEC_CHANNEL( wl_chspec_driver_to_host(bi->chanspec)); WL_DBG(("ACTION FRAME SCAN : Peer " MACDBG " found, channel : %d\n", MAC2STRDBG(wl->afx_hdl->tx_dst_addr.octet), channel)); wl_clr_p2p_status(wl, SCANNING); wl->afx_hdl->peer_chan = channel; complete(&wl->act_frm_scan); goto exit; } } else { int cur_len = 0; list = (wl_scan_results_t *)wl->escan_info.escan_buf; #if defined(WLP2P) && defined(WL_ENABLE_P2P_IF) if (wl->p2p_net && wl->scan_request && wl->scan_request->dev == wl->p2p_net) #else if (p2p_is_on(wl) && p2p_scan(wl)) #endif { #ifdef WL_HOST_BAND_MGMT s32 channel = 0; s32 channel_band = 0; #endif /* WL_HOST_BAND_MGMT */ /* p2p scan && allow only probe response */ if (bi->flags & WL_BSS_FLAGS_FROM_BEACON) goto exit; if ((p2p_ie = wl_cfgp2p_find_p2pie(((u8 *) bi) + bi->ie_offset, bi->ie_length)) == NULL) { WL_ERR(("Couldn't find P2PIE in probe" " response/beacon\n")); goto exit; } #ifdef WL_HOST_BAND_MGMT channel = CHSPEC_CHANNEL(wl_chspec_driver_to_host(bi->chanspec)); channel_band = (channel > CH_MAX_2G_CHANNEL) ? WLC_BAND_5G : WLC_BAND_2G; if ((wl->curr_band == WLC_BAND_5G) && (channel_band == WLC_BAND_2G)) { /* Avoid sending the GO results in band conflict */ if (wl_cfgp2p_retreive_p2pattrib(p2p_ie, P2P_SEID_GROUP_ID) != NULL) goto exit; } #endif /* WL_HOST_BAND_MGMT */ } for (i = 0; i < list->count; i++) { bss = bss ? (wl_bss_info_t *)((uintptr)bss + dtoh32(bss->length)) : list->bss_info; if (!bcmp(&bi->BSSID, &bss->BSSID, ETHER_ADDR_LEN) && (CHSPEC_BAND(wl_chspec_driver_to_host(bi->chanspec)) == CHSPEC_BAND(wl_chspec_driver_to_host(bss->chanspec))) && bi->SSID_len == bss->SSID_len && !bcmp(bi->SSID, bss->SSID, bi->SSID_len)) { /* do not allow beacon data to update *the data recd from a probe response */ if (!(bss->flags & WL_BSS_FLAGS_FROM_BEACON) && (bi->flags & WL_BSS_FLAGS_FROM_BEACON)) goto exit; WL_DBG(("%s("MACDBG"), i=%d prev: RSSI %d" " flags 0x%x, new: RSSI %d flags 0x%x\n", bss->SSID, MAC2STRDBG(bi->BSSID.octet), i, bss->RSSI, bss->flags, bi->RSSI, bi->flags)); if ((bss->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL) == (bi->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL)) { /* preserve max RSSI if the measurements are * both on-channel or both off-channel */ WL_SCAN(("%s("MACDBG"), same onchan" ", RSSI: prev %d new %d\n", bss->SSID, MAC2STRDBG(bi->BSSID.octet), bss->RSSI, bi->RSSI)); bi->RSSI = MAX(bss->RSSI, bi->RSSI); } else if ((bss->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL) && (bi->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL) == 0) { /* preserve the on-channel rssi measurement * if the new measurement is off channel */ WL_SCAN(("%s("MACDBG"), prev onchan" ", RSSI: prev %d new %d\n", bss->SSID, MAC2STRDBG(bi->BSSID.octet), bss->RSSI, bi->RSSI)); bi->RSSI = bss->RSSI; bi->flags |= WL_BSS_FLAGS_RSSI_ONCHANNEL; } if (dtoh32(bss->length) != bi_length) { u32 prev_len = dtoh32(bss->length); WL_SCAN(("bss info replacement" " is occured(bcast:%d->probresp%d)\n", bss->ie_length, bi->ie_length)); WL_DBG(("%s("MACDBG"), replacement!(%d -> %d)\n", bss->SSID, MAC2STRDBG(bi->BSSID.octet), prev_len, bi_length)); if (list->buflen - prev_len + bi_length > ESCAN_BUF_SIZE) { WL_ERR(("Buffer is too small: keep the" " previous result of this AP\n")); /* Only update RSSI */ bss->RSSI = bi->RSSI; bss->flags |= (bi->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL); goto exit; } if (i < list->count - 1) { /* memory copy required by this case only */ memmove((u8 *)bss + bi_length, (u8 *)bss + prev_len, list->buflen - cur_len - prev_len); } list->buflen -= prev_len; list->buflen += bi_length; } list->version = dtoh32(bi->version); memcpy((u8 *)bss, (u8 *)bi, bi_length); goto exit; } cur_len += dtoh32(bss->length); } if (bi_length > ESCAN_BUF_SIZE - list->buflen) { WL_ERR(("Buffer is too small: ignoring\n")); goto exit; } if (strlen(bi->SSID) == 0) { // terence: fix for hidden SSID WL_SCAN(("Skip hidden SSID %pM\n", &bi->BSSID)); goto exit; } memcpy(&(wl->escan_info.escan_buf[list->buflen]), bi, bi_length); list->version = dtoh32(bi->version); list->buflen += bi_length; list->count++; } } else if (status == WLC_E_STATUS_SUCCESS) { wl->escan_info.escan_state = WL_ESCAN_STATE_IDLE; if (wl_get_drv_status_all(wl, FINDING_COMMON_CHANNEL)) { WL_INFO(("ACTION FRAME SCAN DONE\n")); wl_clr_p2p_status(wl, SCANNING); wl_clr_drv_status(wl, SCANNING, wl->afx_hdl->dev); if (wl->afx_hdl->peer_chan == WL_INVALID) complete(&wl->act_frm_scan); } else if ((likely(wl->scan_request)) || (wl->sched_scan_running)) { WL_INFO(("ESCAN COMPLETED\n")); wl->bss_list = (wl_scan_results_t *)wl->escan_info.escan_buf; wl_inform_bss(wl); wl_notify_escan_complete(wl, ndev, false, false); } } else if (status == WLC_E_STATUS_ABORT) { wl->escan_info.escan_state = WL_ESCAN_STATE_IDLE; if (wl_get_drv_status_all(wl, FINDING_COMMON_CHANNEL)) { WL_INFO(("ACTION FRAME SCAN DONE\n")); wl_clr_drv_status(wl, SCANNING, wl->afx_hdl->dev); wl_clr_p2p_status(wl, SCANNING); if (wl->afx_hdl->peer_chan == WL_INVALID) complete(&wl->act_frm_scan); } else if ((likely(wl->scan_request)) || (wl->sched_scan_running)) { WL_INFO(("ESCAN ABORTED\n")); wl->bss_list = (wl_scan_results_t *)wl->escan_info.escan_buf; wl_inform_bss(wl); wl_notify_escan_complete(wl, ndev, true, false); } } else if (status == WLC_E_STATUS_NEWSCAN) { escan_result = (wl_escan_result_t *) data; WL_ERR(("WLC_E_STATUS_NEWSCAN : scan_request[%p]\n", wl->scan_request)); WL_ERR(("sync_id[%d], bss_count[%d]\n", escan_result->sync_id, escan_result->bss_count)); } else { WL_ERR(("unexpected Escan Event %d : abort\n", status)); wl->escan_info.escan_state = WL_ESCAN_STATE_IDLE; if (wl_get_drv_status_all(wl, FINDING_COMMON_CHANNEL)) { WL_INFO(("ACTION FRAME SCAN DONE\n")); wl_clr_p2p_status(wl, SCANNING); wl_clr_drv_status(wl, SCANNING, wl->afx_hdl->dev); if (wl->afx_hdl->peer_chan == WL_INVALID) complete(&wl->act_frm_scan); } else if ((likely(wl->scan_request)) || (wl->sched_scan_running)) { wl->bss_list = (wl_scan_results_t *)wl->escan_info.escan_buf; wl_inform_bss(wl); wl_notify_escan_complete(wl, ndev, true, false); } } exit: mutex_unlock(&wl->usr_sync); return err; } static void wl_cfg80211_concurrent_roam(struct wl_priv *wl, int enable) { u32 connected_cnt = wl_get_drv_status_all(wl, CONNECTED); struct net_info *iter, *next; int err; if (!wl->roamoff_on_concurrent) return; if (enable && connected_cnt > 1) { for_each_ndev(wl, 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(wl, 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 wl_priv *wl) { struct net_info *iter, *next; u32 chan = 0; u32 chanspec = 0; u32 prev_chan = 0; u32 connected_cnt = wl_get_drv_status_all(wl, CONNECTED); wl->vsdb_mode = false; if (connected_cnt <= 1) { return; } for_each_ndev(wl, iter, next) { chanspec = 0; chan = 0; if (wl_get_drv_status(wl, CONNECTED, iter->ndev)) { if (wldev_iovar_getint(iter->ndev, "chanspec", (s32 *)&chanspec) == BCME_OK) { chan = CHSPEC_CHANNEL(chanspec); if (CHSPEC_IS40(chanspec)) { if (CHSPEC_SB_UPPER(chanspec)) chan += CH_10MHZ_APART; else chan -= CH_10MHZ_APART; } wl_update_prof(wl, iter->ndev, NULL, &chan, WL_PROF_CHAN); } if (!prev_chan && chan) prev_chan = chan; else if (prev_chan && (prev_chan != chan)) wl->vsdb_mode = true; } } return; } static s32 wl_notifier_change_state(struct wl_priv *wl, struct net_info *_net_info, enum wl_status state, bool set) { s32 pm = PM_FAST; s32 err = BCME_OK; u32 chan = 0; struct net_info *iter, *next; struct net_device *primary_dev = wl_to_prmry_ndev(wl); 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; if (set) { wl_cfg80211_concurrent_roam(wl, 1); if (wl_get_mode_by_netdev(wl, _net_info->ndev) == WL_MODE_AP) { pm = PM_OFF; WL_DBG(("%s:AP power save %s\n", _net_info->ndev->name, pm ? "enabled" : "disabled")); if ((err = wldev_ioctl(_net_info->ndev, WLC_SET_PM, &pm, sizeof(pm), true)) != 0) { if (err == -ENODEV) WL_DBG(("%s:net_device is not ready\n", _net_info->ndev->name)); else WL_ERR(("%s:error (%d)\n", _net_info->ndev->name, err)); } if (wl_add_remove_eventmsg(primary_dev, WLC_E_P2P_PROBREQ_MSG, false)) WL_ERR((" failed to unset WLC_E_P2P_PROPREQ_MSG\n")); return 0; } wl_cfg80211_determine_vsdb_mode(wl); pm = PM_OFF; for_each_ndev(wl, iter, next) { if ((!wl->vsdb_mode) && (iter->ndev != _net_info->ndev)) { /* Do not touch the other interfaces power save * if we are not in vsdb mode */ continue; } /* Save the current power mode */ iter->pm_restore = true; 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 = 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)); iter->ndev->ieee80211_ptr->ps = pm ? true: false; } } } else { /* clear */ chan = 0; /* clear chan information when the net device is disconnected */ wl_update_prof(wl, _net_info->ndev, NULL, &chan, WL_PROF_CHAN); wl_cfg80211_determine_vsdb_mode(wl); for_each_ndev(wl, iter, next) { if (iter->pm_restore) { 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_concurrent_roam(wl, 0); } return err; } static s32 wl_init_scan(struct wl_priv *wl) { struct wl_iscan_ctrl *iscan = wl_to_iscan(wl); int err = 0; if (wl->iscan_on) { iscan->dev = wl_to_prmry_ndev(wl); iscan->state = WL_ISCAN_STATE_IDLE; wl_init_iscan_handler(iscan); iscan->timer_ms = WL_ISCAN_TIMER_INTERVAL_MS; init_timer(&iscan->timer); iscan->timer.data = (unsigned long) iscan; iscan->timer.function = wl_iscan_timer; sema_init(&iscan->sync, 0); iscan->tsk = kthread_run(wl_iscan_thread, iscan, "wl_iscan"); if (IS_ERR(iscan->tsk)) { WL_ERR(("Could not create iscan thread\n")); iscan->tsk = NULL; return -ENOMEM; } iscan->data = wl; } else if (wl->escan_on) { wl->evt_handler[WLC_E_ESCAN_RESULT] = wl_escan_handler; wl->escan_info.escan_state = WL_ESCAN_STATE_IDLE; } /* Init scan_timeout timer */ init_timer(&wl->scan_timeout); wl->scan_timeout.data = (unsigned long) wl; wl->scan_timeout.function = wl_scan_timeout; return err; } static s32 wl_init_priv(struct wl_priv *wl) { struct wiphy *wiphy = wl_to_wiphy(wl); struct net_device *ndev = wl_to_prmry_ndev(wl); s32 err = 0; wl->scan_request = NULL; wl->pwr_save = !!(wiphy->flags & WIPHY_FLAG_PS_ON_BY_DEFAULT); wl->iscan_on = false; wl->escan_on = true; wl->roam_on = false; wl->iscan_kickstart = false; wl->active_scan = true; wl->rf_blocked = false; wl->vsdb_mode = false; wl->wlfc_on = false; wl->roamoff_on_concurrent = true; /* register interested state */ set_bit(WL_STATUS_CONNECTED, &wl->interrested_state); spin_lock_init(&wl->cfgdrv_lock); mutex_init(&wl->ioctl_buf_sync); init_waitqueue_head(&wl->netif_change_event); init_completion(&wl->send_af_done); init_completion(&wl->iface_disable); wl_init_eq(wl); err = wl_init_priv_mem(wl); if (err) return err; if (wl_create_event_handler(wl)) return -ENOMEM; wl_init_event_handler(wl); mutex_init(&wl->usr_sync); mutex_init(&wl->event_sync); err = wl_init_scan(wl); if (err) return err; wl_init_conf(wl->conf); wl_init_prof(wl, ndev); wl_link_down(wl); DNGL_FUNC(dhd_cfg80211_init, (wl)); return err; } static void wl_deinit_priv(struct wl_priv *wl) { DNGL_FUNC(dhd_cfg80211_deinit, (wl)); wl_destroy_event_handler(wl); wl_flush_eq(wl); wl_link_down(wl); del_timer_sync(&wl->scan_timeout); wl_term_iscan(wl); wl_deinit_priv_mem(wl); unregister_netdevice_notifier(&wl_cfg80211_netdev_notifier); } #if defined(WLP2P) && defined(WL_ENABLE_P2P_IF) static s32 wl_cfg80211_attach_p2p(void) { struct wl_priv *wl = wlcfg_drv_priv; WL_TRACE(("Enter \n")); if (wl_cfgp2p_register_ndev(wl) < 0) { WL_ERR(("%s: P2P attach failed. \n", __func__)); return -ENODEV; } return 0; } static s32 wl_cfg80211_detach_p2p(void) { struct wl_priv *wl = wlcfg_drv_priv; struct wireless_dev *wdev = wl->p2p_wdev; WL_DBG(("Enter \n")); if (!wdev || !wl) { WL_ERR(("Invalid Ptr\n")); return -EINVAL; } wl_cfgp2p_unregister_ndev(wl); wl->p2p_wdev = NULL; wl->p2p_net = NULL; WL_DBG(("Freeing 0x%08x \n", (unsigned int)wdev)); kfree(wdev); return 0; } #endif /* defined(WLP2P) && defined(WL_ENABLE_P2P_IF) */ s32 wl_cfg80211_attach_post(struct net_device *ndev) { struct wl_priv * wl = NULL; s32 err = 0; WL_TRACE(("In\n")); if (unlikely(!ndev)) { WL_ERR(("ndev is invaild\n")); return -ENODEV; } wl = wlcfg_drv_priv; if (unlikely(!wl)) { WL_ERR(("wl is invaild\n")); return -EINVAL; } if (!wl_get_drv_status(wl, READY, ndev)) { if (wl->wdev && wl_cfgp2p_supported(wl, ndev)) { #if !defined(WL_ENABLE_P2P_IF) wl->wdev->wiphy->interface_modes |= (BIT(NL80211_IFTYPE_P2P_CLIENT)| BIT(NL80211_IFTYPE_P2P_GO)); #endif if ((err = wl_cfgp2p_init_priv(wl)) != 0) goto fail; #if defined(WLP2P) && defined(WL_ENABLE_P2P_IF) if (wl->p2p_net) { /* Update MAC addr for p2p0 interface here. */ memcpy(wl->p2p_net->dev_addr, ndev->dev_addr, ETH_ALEN); wl->p2p_net->dev_addr[0] |= 0x02; printk("%s: %s p2p_dev_addr="MACDBG "\n", __FUNCTION__, wl->p2p_net->name, MAC2STRDBG(wl->p2p_net->dev_addr)); } else { WL_ERR(("p2p_net not yet populated." " Couldn't update the MAC Address for p2p0 \n")); return -ENODEV; } #endif /* defined(WLP2P) && (WL_ENABLE_P2P_IF) */ wl->p2p_supported = true; } } wl_set_drv_status(wl, READY, ndev); fail: return err; } s32 wl_cfg80211_attach(struct net_device *ndev, void *data) { struct wireless_dev *wdev; struct wl_priv *wl; 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); if (unlikely(err)) { kfree(wdev); return -ENOMEM; } wdev->iftype = wl_mode_to_nl80211_iftype(WL_MODE_BSS); wl = (struct wl_priv *)wiphy_priv(wdev->wiphy); wl->wdev = wdev; wl->pub = data; INIT_LIST_HEAD(&wl->net_list); ndev->ieee80211_ptr = wdev; SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy)); wdev->netdev = ndev; wl->state_notifier = wl_notifier_change_state; err = wl_alloc_netinfo(wl, 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(wl); if (err) { WL_ERR(("Failed to init iwm_priv (%d)\n", err)); goto cfg80211_attach_out; } err = wl_setup_rfkill(wl, TRUE); if (err) { WL_ERR(("Failed to setup rfkill %d\n", err)); goto cfg80211_attach_out; } err = register_netdevice_notifier(&wl_cfg80211_netdev_notifier); if (err) { WL_ERR(("Failed to register notifierl %d\n", err)); goto cfg80211_attach_out; } #if defined(COEX_DHCP) if (wl_cfg80211_btcoex_init(wl)) goto cfg80211_attach_out; #endif #if defined(BSSCACHE) wl_init_bss_cache_ctrl(&g_bss_cache_ctrl); #endif wlcfg_drv_priv = wl; #if defined(WLP2P) && defined(WL_ENABLE_P2P_IF) err = wl_cfg80211_attach_p2p(); if (err) goto cfg80211_attach_out; #endif return err; cfg80211_attach_out: err = wl_setup_rfkill(wl, FALSE); wl_free_wdev(wl); return err; } void wl_cfg80211_detach(void *para) { struct wl_priv *wl; (void)para; wl = wlcfg_drv_priv; WL_TRACE(("In\n")); #if defined(COEX_DHCP) wl_cfg80211_btcoex_deinit(wl); #endif wl_setup_rfkill(wl, FALSE); if (wl->p2p_supported) { if (timer_pending(&wl->p2p->listen_timer)) del_timer_sync(&wl->p2p->listen_timer); wl_cfgp2p_deinit_priv(wl); } #if defined(WLP2P) && defined(WL_ENABLE_P2P_IF) wl_cfg80211_detach_p2p(); #endif wl_deinit_priv(wl); wlcfg_drv_priv = NULL; wl_cfg80211_clear_parent_dev(); wl_free_wdev(wl); #if defined(RSSIAVG) wl_free_rssi_cache(&g_rssi_cache_ctrl); wl_free_rssi_cache(&g_rssi2_cache_ctrl); #endif #if defined(BSSCACHE) wl_release_bss_cache_ctrl(&g_bss_cache_ctrl); #endif /* PLEASE do NOT call any function after wl_free_wdev, the driver's private structure "wl", * which is the private part of wiphy, has been freed in wl_free_wdev !!!!!!!!!!! */ } static void wl_wakeup_event(struct wl_priv *wl) { if (wl->event_tsk.thr_pid >= 0) { DHD_OS_WAKE_LOCK(wl->pub); up(&wl->event_tsk.sema); } } static int wl_is_p2p_event(struct wl_event_q *e) { switch (e->etype) { /* We have to seperate out the P2P events received * on primary interface so that it can be send up * via p2p0 interface. */ 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 on Virtual I/F (ifidx:%d) \n", e->emsg.ifidx)); /* We are only bothered about the P2P events received * on primary interface. For rest of them return false * so that it is sent over the interface corresponding * to the ifidx. */ return FALSE; } else { WL_TRACE(("P2P Event on Primary I/F (ifidx:%d)." " Sent it to p2p0 \n", e->emsg.ifidx)); return TRUE; } break; default: WL_TRACE(("NON-P2P Event %d on ifidx (ifidx:%d) \n", e->etype, e->emsg.ifidx)); return FALSE; } } static s32 wl_event_handler(void *data) { struct net_device *netdev; struct wl_priv *wl = NULL; struct wl_event_q *e; tsk_ctl_t *tsk = (tsk_ctl_t *)data; wl = (struct wl_priv *)tsk->parent; #ifndef USE_KTHREAD_API DAEMONIZE("dhd_cfg80211_event"); complete(&tsk->completed); #else printk("tsk Enter, tsk = 0x%08x\n", (unsigned int)tsk); #endif while (down_interruptible (&tsk->sema) == 0) { SMP_RD_BARRIER_DEPENDS(); if (tsk->terminated) break; while ((e = wl_deq_event(wl))) { 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 ((wl_is_p2p_event(e) == TRUE) && (wl->p2p_net)) { netdev = wl->p2p_net; } else { netdev = dhd_idx2net((struct dhd_pub *)(wl->pub), e->emsg.ifidx); } if (!netdev) netdev = wl_to_prmry_ndev(wl); if (e->etype < WLC_E_LAST && wl->evt_handler[e->etype]) { wl->evt_handler[e->etype] (wl, netdev, &e->emsg, e->edata); } else { WL_DBG(("Unknown Event (%d): ignoring\n", e->etype)); } wl_put_event(e); } DHD_OS_WAKE_UNLOCK(wl->pub); } WL_ERR(("%s was terminated\n", __func__)); 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 wl_priv *wl = wlcfg_drv_priv; #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 (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(wl, ndev, event_type, e, data))) wl_wakeup_event(wl); } static void wl_init_eq(struct wl_priv *wl) { wl_init_eq_lock(wl); INIT_LIST_HEAD(&wl->eq_list); } static void wl_flush_eq(struct wl_priv *wl) { struct wl_event_q *e; unsigned long flags; flags = wl_lock_eq(wl); while (!list_empty(&wl->eq_list)) { e = list_first_entry(&wl->eq_list, struct wl_event_q, eq_list); list_del(&e->eq_list); kfree(e); } wl_unlock_eq(wl, flags); } /* * retrieve first queued event from head */ static struct wl_event_q *wl_deq_event(struct wl_priv *wl) { struct wl_event_q *e = NULL; unsigned long flags; flags = wl_lock_eq(wl); if (likely(!list_empty(&wl->eq_list))) { e = list_first_entry(&wl->eq_list, struct wl_event_q, eq_list); list_del(&e->eq_list); } wl_unlock_eq(wl, flags); return e; } /* * push event to tail of the queue */ static s32 wl_enq_event(struct wl_priv *wl, 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(wl); list_add_tail(&e->eq_list, &wl->eq_list); wl_unlock_eq(wl, flags); return err; } static void wl_put_event(struct wl_event_q *e) { kfree(e); } static s32 wl_config_ifmode(struct wl_priv *wl, 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(wl, 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 wl_priv *wl, 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(&wl->event_sync); /* Read event_msgs mask */ bcm_mkiovar("event_msgs", NULL, 0, iovbuf, sizeof(iovbuf)); ret = wldev_ioctl(ndev, WLC_GET_VAR, iovbuf, sizeof(iovbuf), false); if (unlikely(ret)) { WL_ERR(("Get event_msgs error (%d)\n", ret)); goto exit; } memcpy(eventmask, iovbuf, WL_EVENTING_MASK_LEN); /* apply the set bits */ for (i = 0; i < ev->num; i++) { if (ev->event[i].set) setbit(eventmask, ev->event[i].type); else clrbit(eventmask, ev->event[i].type); } /* Write updated Event mask */ bcm_mkiovar("event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf, sizeof(iovbuf)); ret = wldev_ioctl(ndev, WLC_SET_VAR, iovbuf, sizeof(iovbuf), true); if (unlikely(ret)) { WL_ERR(("Set event_msgs error (%d)\n", ret)); } exit: mutex_unlock(&wl->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 wl_priv *wl = wlcfg_drv_priv; if (!ndev || !wl) return -ENODEV; mutex_lock(&wl->event_sync); /* Setup event_msgs */ bcm_mkiovar("event_msgs", NULL, 0, iovbuf, sizeof(iovbuf)); err = wldev_ioctl(ndev, WLC_GET_VAR, iovbuf, sizeof(iovbuf), false); if (unlikely(err)) { WL_ERR(("Get event_msgs error (%d)\n", err)); goto eventmsg_out; } memcpy(eventmask, iovbuf, WL_EVENTING_MASK_LEN); if (add) { setbit(eventmask, event); } else { clrbit(eventmask, event); } bcm_mkiovar("event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf, sizeof(iovbuf)); err = wldev_ioctl(ndev, WLC_SET_VAR, iovbuf, sizeof(iovbuf), true); if (unlikely(err)) { WL_ERR(("Set event_msgs error (%d)\n", err)); goto eventmsg_out; } eventmsg_out: mutex_unlock(&wl->event_sync); return err; } static int wl_construct_reginfo(struct wl_priv *wl, s32 bw_cap) { struct net_device *dev = wl_to_prmry_ndev(wl); 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; #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, &wl->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 = 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); 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) && !defined(WL_COMPAT_WIRELESS) band_chan_arr[index].center_freq = ieee80211_channel_to_frequency(channel); #else band_chan_arr[index].center_freq = ieee80211_channel_to_frequency(channel, band); #endif 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 (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) band_chan_arr[index].flags |= (IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS); if (channel & WL_CHAN_PASSIVE) band_chan_arr[index].flags |= IEEE80211_CHAN_PASSIVE_SCAN; } } 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 wl_priv *wl, bool notify) { struct wiphy *wiphy; struct net_device *dev; u32 bandlist[3]; u32 nband = 0; u32 i = 0; s32 err = 0; s32 index = 0; s32 nmode = 0; bool rollback_lock = false; s32 bw_cap = 0; s32 cur_band = -1; struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS] = {NULL, }; if (wl == NULL) { wl = wlcfg_drv_priv; mutex_lock(&wl->usr_sync); rollback_lock = true; } dev = wl_to_prmry_ndev(wl); 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; } wiphy = wl_to_wiphy(wl); err = wldev_ioctl(dev, WLC_GET_BAND, &cur_band, sizeof(s32), false); if (unlikely(err)) { WL_ERR(("error (%d)\n", err)); goto end_bands; } err = wldev_iovar_getint(dev, "nmode", &nmode); if (unlikely(err)) { WL_ERR(("error reading nmode (%d)\n", err)); } else { /* For nmodeonly check bw cap */ err = wldev_iovar_getint(dev, "mimo_bw_cap", &bw_cap); if (unlikely(err)) { WL_ERR(("error get mimo_bw_cap (%d)\n", err)); } } err = wl_construct_reginfo(wl, bw_cap); if (err) { WL_ERR(("wl_construct_reginfo() fails err=%d\n", err)); if (err != BCME_UNSUPPORTED) goto end_bands; err = 0; } nband = bandlist[0]; for (i = 1; i <= nband && i < ARRAYSIZE(bandlist); i++) { index = -1; if (bandlist[i] == WLC_BAND_5G && __wl_band_5ghz_a.n_channels > 0) { bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; index = IEEE80211_BAND_5GHZ; if (bw_cap == WLC_N_BW_40ALL || bw_cap == WLC_N_BW_20IN2G_40IN5G) bands[index]->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; } else if (bandlist[i] == WLC_BAND_2G && __wl_band_2ghz.n_channels > 0) { bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; index = IEEE80211_BAND_2GHZ; if (bw_cap == WLC_N_BW_40ALL) bands[index]->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; } if ((index >= 0) && nmode) { bands[index]->ht_cap.cap |= (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_DSSSCCK40); bands[index]->ht_cap.ht_supported = TRUE; bands[index]->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; bands[index]->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; /* An HT shall support all EQM rates for one spatial stream */ bands[index]->ht_cap.mcs.rx_mask[0] = 0xff; } } wiphy->bands[IEEE80211_BAND_2GHZ] = bands[IEEE80211_BAND_2GHZ]; wiphy->bands[IEEE80211_BAND_5GHZ] = bands[IEEE80211_BAND_5GHZ]; if (notify) wiphy_apply_custom_regulatory(wiphy, &brcm_regdom); end_bands: if (rollback_lock) mutex_unlock(&wl->usr_sync); return err; } static s32 __wl_cfg80211_up(struct wl_priv *wl) { s32 err = 0; struct net_device *ndev = wl_to_prmry_ndev(wl); struct wireless_dev *wdev = ndev->ieee80211_ptr; WL_DBG(("In\n")); err = dhd_config_dongle(wl, false); if (unlikely(err)) return err; err = wl_config_ifmode(wl, ndev, wdev->iftype); if (unlikely(err && err != -EINPROGRESS)) { WL_ERR(("wl_config_ifmode failed\n")); } err = wl_update_wiphybands(wl, true); if (unlikely(err)) { WL_ERR(("wl_update_wiphybands failed\n")); } err = dhd_monitor_init(wl->pub); err = wl_invoke_iscan(wl); #ifdef WL_HOST_BAND_MGMT /* By default the curr_band is initialized to BAND_AUTO */ if (wl_cfg80211_set_band(ndev, WLC_BAND_AUTO) < 0) { WL_ERR(("roam_band set failed\n")); err = -1; } #endif /* WL_HOST_BAND_MGMT */ #if defined(DHCP_SCAN_SUPPRESS) /* wlan scan_supp timer and work thread info */ init_timer(&wl->scan_supp_timer); wl->scan_supp_timer.data = (ulong)wl; wl->scan_supp_timer.function = wl_cfg80211_scan_supp_timerfunc; INIT_WORK(&wl->wlan_work, wl_cfg80211_work_handler); #endif /* DHCP_SCAN_SUPPRESS */ wl_set_drv_status(wl, READY, ndev); return err; } static s32 __wl_cfg80211_down(struct wl_priv *wl) { s32 err = 0; unsigned long flags; struct net_info *iter, *next; struct net_device *ndev = wl_to_prmry_ndev(wl); struct net_device *p2p_net = wl->p2p_net; u32 bssidx = wl_cfgp2p_find_idx(wl, ndev); WL_DBG(("In\n")); #if defined(DHCP_SCAN_SUPPRESS) /* Force clear of scan_suppress */ if (wl->scan_suppressed) wl_cfg80211_scan_suppress(ndev, 0); if (timer_pending(&wl->scan_supp_timer)) del_timer_sync(&wl->scan_supp_timer); cancel_work_sync(&wl->wlan_work); #endif /* DHCP_SCAN_SUPPRESS */ /* If BSS is operational (e.g SoftAp), bring it down */ if (wl_cfgp2p_bss_isup(ndev, bssidx)) { if (wl_cfgp2p_bss(wl, ndev, bssidx, 0) < 0) WL_ERR(("BSS down failed \n")); } /* Check if cfg80211 interface is already down */ if (!wl_get_drv_status(wl, READY, ndev)) return err; /* it is even not ready */ for_each_ndev(wl, iter, next) wl_set_drv_status(wl, SCAN_ABORTING, iter->ndev); wl_term_iscan(wl); spin_lock_irqsave(&wl->cfgdrv_lock, flags); if (wl->scan_request) { cfg80211_scan_done(wl->scan_request, true); wl->scan_request = NULL; } spin_unlock_irqrestore(&wl->cfgdrv_lock, flags); for_each_ndev(wl, iter, next) { wl_clr_drv_status(wl, READY, iter->ndev); wl_clr_drv_status(wl, SCANNING, iter->ndev); wl_clr_drv_status(wl, SCAN_ABORTING, iter->ndev); wl_clr_drv_status(wl, CONNECTING, iter->ndev); wl_clr_drv_status(wl, CONNECTED, iter->ndev); wl_clr_drv_status(wl, DISCONNECTING, iter->ndev); wl_clr_drv_status(wl, AP_CREATED, iter->ndev); wl_clr_drv_status(wl, AP_CREATING, iter->ndev); } wl_to_prmry_ndev(wl)->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION; if (p2p_net) dev_close(p2p_net); DNGL_FUNC(dhd_cfg80211_down, (wl)); wl_flush_eq(wl); wl_link_down(wl); if (wl->p2p_supported) wl_cfgp2p_down(wl); dhd_monitor_uninit(); return err; } s32 wl_cfg80211_up(void *para) { struct wl_priv *wl; s32 err = 0; int val = 1; dhd_pub_t *dhd; (void)para; WL_DBG(("In\n")); wl = wlcfg_drv_priv; if ((err = wldev_ioctl(wl_to_prmry_ndev(wl), 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(&wl->usr_sync); dhd = (dhd_pub_t *)(wl->pub); if (!(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) { err = wl_cfg80211_attach_post(wl_to_prmry_ndev(wl)); if (unlikely(err)) return err; } err = __wl_cfg80211_up(wl); if (unlikely(err)) WL_ERR(("__wl_cfg80211_up failed\n")); mutex_unlock(&wl->usr_sync); return err; } /* Private Event to Supplicant with indication that chip hangs */ int wl_cfg80211_hang(struct net_device *dev, u16 reason) { struct wl_priv *wl; wl = wlcfg_drv_priv; WL_ERR(("In : chip crash eventing\n")); cfg80211_disconnected(dev, reason, NULL, 0, GFP_KERNEL); #if defined(RSSIAVG) wl_free_rssi_cache(&g_rssi_cache_ctrl); #endif #if defined(BSSCACHE) wl_free_bss_cache(&g_bss_cache_ctrl); wl_run_bss_cache_timer(&g_bss_cache_ctrl, 0); #endif if (wl != NULL) { wl_link_down(wl); } return 0; } s32 wl_cfg80211_down(void *para) { struct wl_priv *wl; s32 err = 0; (void)para; WL_DBG(("In\n")); wl = wlcfg_drv_priv; mutex_lock(&wl->usr_sync); #if defined(RSSIAVG) wl_free_rssi_cache(&g_rssi_cache_ctrl); #endif #if defined(BSSCACHE) wl_free_bss_cache(&g_bss_cache_ctrl); wl_run_bss_cache_timer(&g_bss_cache_ctrl, 0); #endif err = __wl_cfg80211_down(wl); mutex_unlock(&wl->usr_sync); return err; } static void *wl_read_prof(struct wl_priv *wl, struct net_device *ndev, s32 item) { unsigned long flags; void *rptr = NULL; struct wl_profile *profile = wl_get_profile_by_netdev(wl, ndev); if (!profile) return NULL; spin_lock_irqsave(&wl->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(&wl->cfgdrv_lock, flags); if (!rptr) WL_ERR(("invalid item (%d)\n", item)); return rptr; } static s32 wl_update_prof(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data, s32 item) { s32 err = 0; struct wlc_ssid *ssid; unsigned long flags; struct wl_profile *profile = wl_get_profile_by_netdev(wl, ndev); if (!profile) return WL_INVALID; spin_lock_irqsave(&wl->cfgdrv_lock, flags); switch (item) { case WL_PROF_SSID: ssid = (wlc_ssid_t *) data; memset(profile->ssid.SSID, 0, sizeof(profile->ssid.SSID)); memcpy(profile->ssid.SSID, ssid->SSID, ssid->SSID_len); profile->ssid.SSID_len = ssid->SSID_len; break; case WL_PROF_BSSID: if (data) memcpy(profile->bssid, data, ETHER_ADDR_LEN); else memset(profile->bssid, 0, ETHER_ADDR_LEN); break; case WL_PROF_SEC: memcpy(&profile->sec, data, sizeof(profile->sec)); break; case WL_PROF_ACT: profile->active = *(bool *)data; break; case WL_PROF_BEACONINT: profile->beacon_interval = *(u16 *)data; break; case WL_PROF_DTIMPERIOD: profile->dtim_period = *(u8 *)data; break; case WL_PROF_CHAN: profile->channel = *(u32*)data; default: err = -EOPNOTSUPP; break; } spin_unlock_irqrestore(&wl->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 wl_priv *wl, struct net_device *ndev) { return wl_get_mode_by_netdev(wl, ndev) == WL_MODE_IBSS; } static __used bool wl_is_ibssstarter(struct wl_priv *wl) { return wl->ibss_starter; } static void wl_rst_ie(struct wl_priv *wl) { struct wl_ie *ie = wl_to_ie(wl); ie->offset = 0; } static __used s32 wl_add_ie(struct wl_priv *wl, u8 t, u8 l, u8 *v) { struct wl_ie *ie = wl_to_ie(wl); 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 s32 wl_mrg_ie(struct wl_priv *wl, u8 *ie_stream, u16 ie_size) { struct wl_ie *ie = wl_to_ie(wl); 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 wl_priv *wl, u8 *dst, u16 dst_size) { struct wl_ie *ie = wl_to_ie(wl); 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 wl_priv *wl) { struct wl_ie *ie = wl_to_ie(wl); return ie->offset; } static void wl_link_up(struct wl_priv *wl) { wl->link_up = true; } static void wl_link_down(struct wl_priv *wl) { struct wl_connect_info *conn_info = wl_to_conn(wl); WL_DBG(("In\n")); wl->link_up = false; conn_info->req_ie_len = 0; conn_info->resp_ie_len = 0; } static unsigned long wl_lock_eq(struct wl_priv *wl) { unsigned long flags; spin_lock_irqsave(&wl->eq_lock, flags); return flags; } static void wl_unlock_eq(struct wl_priv *wl, unsigned long flags) { spin_unlock_irqrestore(&wl->eq_lock, flags); } static void wl_init_eq_lock(struct wl_priv *wl) { spin_lock_init(&wl->eq_lock); } static void wl_delay(u32 ms) { if (in_atomic() || (ms < jiffies_to_msecs(1))) { mdelay(ms); } else { msleep(ms); } } s32 wl_cfg80211_get_p2p_dev_addr(struct net_device *net, struct ether_addr *p2pdev_addr) { struct wl_priv *wl = wlcfg_drv_priv; struct ether_addr p2pif_addr; struct ether_addr primary_mac; if (!wl->p2p) return -1; if (!p2p_is_on(wl)) { get_primary_mac(wl, &primary_mac); wl_cfgp2p_generate_bss_mac(&primary_mac, p2pdev_addr, &p2pif_addr); } else { memcpy(p2pdev_addr->octet, wl->p2p->dev_addr.octet, ETHER_ADDR_LEN); } return 0; } s32 wl_cfg80211_set_p2p_noa(struct net_device *net, char* buf, int len) { struct wl_priv *wl; wl = wlcfg_drv_priv; return wl_cfgp2p_set_p2p_noa(wl, net, buf, len); } s32 wl_cfg80211_get_p2p_noa(struct net_device *net, char* buf, int len) { struct wl_priv *wl; wl = wlcfg_drv_priv; return wl_cfgp2p_get_p2p_noa(wl, net, buf, len); } s32 wl_cfg80211_set_p2p_ps(struct net_device *net, char* buf, int len) { struct wl_priv *wl; wl = wlcfg_drv_priv; return wl_cfgp2p_set_p2p_ps(wl, net, buf, len); } s32 wl_cfg80211_channel_to_freq(u32 channel) { int freq = 0; #if LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 38) && !defined(WL_COMPAT_WIRELESS) freq = ieee80211_channel_to_frequency(channel); #else { u16 band = 0; if (channel <= CH_MAX_2G_CHANNEL) band = IEEE80211_BAND_2GHZ; else band = IEEE80211_BAND_5GHZ; freq = ieee80211_channel_to_frequency(channel, band); } #endif return freq; } s32 wl_cfg80211_set_wps_p2p_ie(struct net_device *net, char *buf, int len, enum wl_management_type type) { struct wl_priv *wl; struct net_device *ndev = NULL; struct ether_addr primary_mac; s32 ret = 0; s32 bssidx = 0; s32 pktflag = 0; wl = wlcfg_drv_priv; if (wl_get_drv_status(wl, AP_CREATING, net) || wl_get_drv_status(wl, AP_CREATED, net)) { ndev = net; bssidx = 0; } else if (wl->p2p) { if (net == wl->p2p_net) { net = wl_to_prmry_ndev(wl); } if (!wl->p2p->on) { get_primary_mac(wl, &primary_mac); wl_cfgp2p_generate_bss_mac(&primary_mac, &wl->p2p->dev_addr, &wl->p2p->int_addr); /* In case of p2p_listen command, supplicant send remain_on_channel * without turning on P2P */ p2p_on(wl) = true; ret = wl_cfgp2p_enable_discovery(wl, net, NULL, 0); if (unlikely(ret)) { goto exit; } } if (net != wl_to_prmry_ndev(wl)) { if (wl_get_mode_by_netdev(wl, net) == WL_MODE_AP) { ndev = wl_to_p2p_bss_ndev(wl, P2PAPI_BSSCFG_CONNECTION); bssidx = wl_to_p2p_bss_bssidx(wl, P2PAPI_BSSCFG_CONNECTION); } } else { ndev = wl_to_p2p_bss_ndev(wl, P2PAPI_BSSCFG_PRIMARY); bssidx = wl_to_p2p_bss_bssidx(wl, 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(wl, ndev, bssidx, pktflag, buf, len); } exit: return ret; } static const struct rfkill_ops wl_rfkill_ops = { .set_block = wl_rfkill_set }; static int wl_rfkill_set(void *data, bool blocked) { struct wl_priv *wl = (struct wl_priv *)data; WL_DBG(("Enter \n")); WL_DBG(("RF %s\n", blocked ? "blocked" : "unblocked")); if (!wl) return -EINVAL; wl->rf_blocked = blocked; return 0; } static int wl_setup_rfkill(struct wl_priv *wl, bool setup) { s32 err = 0; WL_DBG(("Enter \n")); if (!wl) return -EINVAL; if (setup) { wl->rfkill = rfkill_alloc("brcmfmac-wifi", wl_cfg80211_get_parent_dev(), RFKILL_TYPE_WLAN, &wl_rfkill_ops, (void *)wl); if (!wl->rfkill) { err = -ENOMEM; goto err_out; } err = rfkill_register(wl->rfkill); if (err) rfkill_destroy(wl->rfkill); } else { if (!wl->rfkill) { err = -ENOMEM; goto err_out; } rfkill_unregister(wl->rfkill); rfkill_destroy(wl->rfkill); } err_out: return err; } 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; } static void get_primary_mac(struct wl_priv *wl, struct ether_addr *mac) { wldev_iovar_getbuf_bsscfg(wl_to_prmry_ndev(wl), "cur_etheraddr", NULL, 0, wl->ioctl_buf, WLC_IOCTL_SMLEN, 0, &wl->ioctl_buf_sync); memcpy(mac->octet, wl->ioctl_buf, ETHER_ADDR_LEN); } int wl_cfg80211_do_driver_init(struct net_device *net) { struct wl_priv *wl = *(struct wl_priv **)netdev_priv(net); if (!wl || !wl->wdev) return -EINVAL; if (dhd_do_driver_init(wl->wdev->netdev) < 0) return -1; return 0; } void wl_cfg80211_enable_trace(u32 level) { wl_dbg_level = level; printk("%s: wl_dbg_level = 0x%x\n", __FUNCTION__, wl_dbg_level); } #if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \ 2, 0)) static s32 wl_cfg80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, struct net_device *dev, 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_KPATCHES || 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 wl_priv *wl, struct net_device *ndev, s32 bssidx, s32 pktflag, uint8 ie_id, uint8 *data, uint8 data_len) { s32 err = BCME_OK; s32 buf_len; s32 iecount; ie_setbuf_t *ie_setbuf; if (ie_id != DOT11_MNG_INTERWORKING_ID) return BCME_UNSUPPORTED; /* Validate the pktflag parameter */ if ((pktflag & ~(VNDR_IE_BEACON_FLAG | VNDR_IE_PRBRSP_FLAG | VNDR_IE_ASSOCRSP_FLAG | VNDR_IE_AUTHRSP_FLAG | VNDR_IE_PRBREQ_FLAG | VNDR_IE_ASSOCREQ_FLAG| VNDR_IE_CUSTOM_FLAG))) { WL_ERR(("cfg80211 Add IE: Invalid packet flag 0x%x\n", pktflag)); return -1; } /* use VNDR_IE_CUSTOM_FLAG flags for none vendor IE . currently fixed value */ pktflag = htod32(pktflag); buf_len = sizeof(ie_setbuf_t) + data_len - 1; ie_setbuf = (ie_setbuf_t *) kzalloc(buf_len, GFP_KERNEL); if (!ie_setbuf) { WL_ERR(("Error allocating buffer for IE\n")); return -ENOMEM; } if (wl->iw_ie_len == data_len && !memcmp(wl->iw_ie, data, data_len)) { WL_ERR(("Previous IW IE is equals to current IE\n")); return err; } 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 (wl->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, wl->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &wl->ioctl_buf_sync); if (err != BCME_OK) return err; } 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, wl->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &wl->ioctl_buf_sync); if (err == BCME_OK) { memcpy(wl->iw_ie, data, data_len); wl->iw_ie_len = data_len; wl->wl11u = TRUE; err = wldev_iovar_setint_bsscfg(ndev, "grat_arp", 1, bssidx); } kfree(ie_setbuf); return err; } #endif /* WL11U */ #ifdef WL_HOST_BAND_MGMT s32 wl_cfg80211_set_band(struct net_device *ndev, int band) { struct wl_priv *wl = wlcfg_drv_priv; int ret = 0; char ioctl_buf[50]; if ((band < WLC_BAND_AUTO) || (band > WLC_BAND_2G)) { WL_ERR(("Invalid band\n")); return -EINVAL; } if ((ret = wldev_iovar_setbuf(ndev, "roam_band", &band, sizeof(int), ioctl_buf, sizeof(ioctl_buf), NULL)) < 0) { WL_ERR(("seting roam_band failed code=%d\n", ret)); return ret; } WL_DBG(("Setting band to %d\n", band)); wl->curr_band = band; return 0; } #endif /* WL_HOST_BAND_MGMT */ #if defined(DHCP_SCAN_SUPPRESS) static void wl_cfg80211_scan_supp_timerfunc(ulong data) { struct wl_priv *wl = (struct wl_priv *)data; WL_DBG(("Enter \n")); schedule_work(&wl->wlan_work); } static void wl_cfg80211_work_handler(struct work_struct *work) { struct wl_priv *wl = wlcfg_drv_priv; wl = container_of(work, struct wl_priv, wlan_work); if (!wl) { WL_ERR(("wl_priv ptr NULL\n")); return; } if (wl->scan_suppressed) { /* There is pending scan_suppress. Clean it */ WL_ERR(("Clean up from timer after %d msec\n", WL_SCAN_SUPPRESS_TIMEOUT)); wl_cfg80211_scan_suppress(wl_to_prmry_ndev(wl), 0); } } int wl_cfg80211_scan_suppress(struct net_device *dev, int suppress) { struct wl_priv *wl = wlcfg_drv_priv; int ret = 0; if (!dev || !wl || ((suppress != 0) && (suppress != 1))) return -EINVAL; if (suppress == wl->scan_suppressed) { WL_DBG(("No change in scan_suppress state. Ignoring cmd..\n")); return 0; } if (timer_pending(&wl->scan_supp_timer)) del_timer_sync(&wl->scan_supp_timer); if ((ret = wldev_ioctl(dev, WLC_SET_SCANSUPPRESS, &suppress, sizeof(int), true)) < 0) { WL_ERR(("Scan suppress setting failed ret:%d \n", ret)); } else { WL_DBG(("Scan suppress %s \n", suppress ? "Enabled" : "Disabled")); wl->scan_suppressed = suppress; } /* If scan_suppress is set, Start a timer to monitor it (just incase) */ if (wl->scan_suppressed) { if (ret) { WL_ERR(("Retry scan_suppress reset at a later time \n")); mod_timer(&wl->scan_supp_timer, jiffies + msecs_to_jiffies(WL_SCAN_SUPPRESS_RETRY)); } else { WL_DBG(("Start wlan_timer to clear of scan_suppress \n")); mod_timer(&wl->scan_supp_timer, jiffies + msecs_to_jiffies(WL_SCAN_SUPPRESS_TIMEOUT)); } } return ret; } #endif /* DHCP_SCAN_SUPPRESS */