diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd.1.88.45.x.cn/wl_cfg80211.c')
| -rwxr-xr-x | drivers/net/wireless/bcmdhd.1.88.45.x.cn/wl_cfg80211.c | 13204 |
1 files changed, 13204 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd.1.88.45.x.cn/wl_cfg80211.c b/drivers/net/wireless/bcmdhd.1.88.45.x.cn/wl_cfg80211.c new file mode 100755 index 00000000..63b984bd --- /dev/null +++ b/drivers/net/wireless/bcmdhd.1.88.45.x.cn/wl_cfg80211.c @@ -0,0 +1,13204 @@ + +/* + * Linux cfg80211 driver + * + * $Copyright Open Broadcom Corporation$ + * + * $Id: wl_cfg80211.c 419844 2013-08-23 00:07:03Z $ + */ +/* */ +#include <typedefs.h> +#include <linuxver.h> +#include <osl.h> +#include <linux/kernel.h> + +#include <bcmutils.h> +#include <bcmwifi_channels.h> +#include <bcmendian.h> +#include <proto/ethernet.h> +#include <proto/802.11.h> +#include <linux/if_arp.h> +#include <asm/uaccess.h> + +#include <dngl_stats.h> +#include <dhd.h> +#include <dhdioctl.h> +#include <wlioctl.h> +#include <dhd_cfg80211.h> +#ifdef PNO_SUPPORT +#include <dhd_pno.h> +#endif /* PNO_SUPPORT */ + +#include <proto/ethernet.h> +#include <linux/kernel.h> +#include <linux/kthread.h> +#include <linux/netdevice.h> +#include <linux/sched.h> +#include <linux/etherdevice.h> +#include <linux/wireless.h> +#include <linux/ieee80211.h> +#include <linux/wait.h> +#include <net/cfg80211.h> +#include <net/rtnetlink.h> + +#include <wlioctl.h> +#include <wldev_common.h> +#include <wl_cfg80211.h> +#include <wl_cfgp2p.h> +#include <wl_android.h> +#include <dhd_config.h> + +#ifdef PROP_TXSTATUS +#include <dhd_wlfc.h> +#endif + +#ifdef WL11U +#if !defined(WL_ENABLE_P2P_IF) && !defined(WL_CFG80211_P2P_DEV_IF) +#error You should enable 'WL_ENABLE_P2P_IF' or 'WL_CFG80211_P2P_DEV_IF' \ + according to Kernel version and is supported only in Android-JB +#endif /* !WL_ENABLE_P2P_IF && !WL_CFG80211_P2P_DEV_IF */ +#endif /* WL11U */ + +#ifdef 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 */ + +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 120 +#define OFF_CHAN_TIME_THRESHOLD_MS 200 +#define AF_RETRY_DELAY_TIME 40 + +/* if sta is connected or connecting, sleep for a while before retry af tx or finding a peer */ +#define WL_AF_TX_KEEP_PRI_CONNECTION_VSDB(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))) { \ + OSL_SLEEP(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), } +}; + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) && \ + (defined(WL_IFACE_COMB_NUM_CHANNELS) || defined(WL_CFG80211_P2P_DEV_IF)) +/* + * Possible interface combinations supported by driver + * + * ADHOC Mode - #ADHOC <= 1 on channels = 1 + * SoftAP Mode - #AP <= 1 on channels = 1 + * STA + P2P Mode - #STA <= 2, #{P2P-GO, P2P-client} <= 1, #P2P-device <= 1 + * on channels = 2 + */ +static const struct ieee80211_iface_limit softap_limits[] = { + { + .max = 1, + .types = BIT(NL80211_IFTYPE_AP), + }, +}; + +static const struct ieee80211_iface_limit sta_p2p_limits[] = { + /* + * During P2P-GO removal, P2P-GO is first changed to STA and later only + * removed. So setting maximum possible number of STA interfaces as 2 to + * accommodate the above behaviour. + */ + { + .max = 2, + .types = BIT(NL80211_IFTYPE_STATION), + }, + { + .max = 2, + .types = BIT(NL80211_IFTYPE_P2P_GO) | BIT(NL80211_IFTYPE_P2P_CLIENT), + }, +#if defined(WL_CFG80211_P2P_DEV_IF) + { + .max = 1, + .types = BIT(NL80211_IFTYPE_P2P_DEVICE), + }, +#endif /* WL_CFG80211_P2P_DEV_IF */ + { + .max = 1, + .types = BIT(NL80211_IFTYPE_ADHOC), + }, +}; + +static const struct ieee80211_iface_combination +softap_iface_combinations[] = { + { + .num_different_channels = 1, + .max_interfaces = 1, + .limits = softap_limits, + .n_limits = ARRAY_SIZE(softap_limits), + }, +}; + +static const struct ieee80211_iface_combination +sta_p2p_iface_combinations[] = { + { + .num_different_channels = 2, + .max_interfaces = 3, + .limits = sta_p2p_limits, + .n_limits = ARRAY_SIZE(sta_p2p_limits), + }, +}; +#endif /* LINUX_VER >= 3.0 && (WL_IFACE_COMB_NUM_CHANNELS || WL_CFG80211_P2P_DEV_IF) */ + +/* Data Element Definitions */ +#define WPS_ID_CONFIG_METHODS 0x1008 +#define WPS_ID_REQ_TYPE 0x103A +#define WPS_ID_DEVICE_NAME 0x1011 +#define WPS_ID_VERSION 0x104A +#define WPS_ID_DEVICE_PWD_ID 0x1012 +#define WPS_ID_REQ_DEV_TYPE 0x106A +#define WPS_ID_SELECTED_REGISTRAR_CONFIG_METHODS 0x1053 +#define WPS_ID_PRIM_DEV_TYPE 0x1054 + +/* Device Password ID */ +#define DEV_PW_DEFAULT 0x0000 +#define DEV_PW_USER_SPECIFIED 0x0001, +#define DEV_PW_MACHINE_SPECIFIED 0x0002 +#define DEV_PW_REKEY 0x0003 +#define DEV_PW_PUSHBUTTON 0x0004 +#define DEV_PW_REGISTRAR_SPECIFIED 0x0005 + +/* Config Methods */ +#define WPS_CONFIG_USBA 0x0001 +#define WPS_CONFIG_ETHERNET 0x0002 +#define WPS_CONFIG_LABEL 0x0004 +#define WPS_CONFIG_DISPLAY 0x0008 +#define WPS_CONFIG_EXT_NFC_TOKEN 0x0010 +#define WPS_CONFIG_INT_NFC_TOKEN 0x0020 +#define WPS_CONFIG_NFC_INTERFACE 0x0040 +#define WPS_CONFIG_PUSHBUTTON 0x0080 +#define WPS_CONFIG_KEYPAD 0x0100 +#define WPS_CONFIG_VIRT_PUSHBUTTON 0x0280 +#define WPS_CONFIG_PHY_PUSHBUTTON 0x0480 +#define WPS_CONFIG_VIRT_DISPLAY 0x2008 +#define WPS_CONFIG_PHY_DISPLAY 0x4008 + +#define PM_BLOCK 1 +#define PM_ENABLE 0 + +#ifdef BCMCCX +#ifndef WLAN_AKM_SUITE_CCKM +#define WLAN_AKM_SUITE_CCKM 0x00409600 +#endif +#define DOT11_LEAP_AUTH 0x80 /* LEAP auth frame paylod constants */ +#endif /* BCMCCX */ + +#ifdef MFP +#define WL_AKM_SUITE_MFP_1X 0x000FAC05 +#define WL_AKM_SUITE_MFP_PSK 0x000FAC06 +#endif /* MFP */ + +#ifndef IBSS_COALESCE_ALLOWED +#define IBSS_COALESCE_ALLOWED 0 +#endif + +#ifndef IBSS_INITIAL_SCAN_ALLOWED +#define IBSS_INITIAL_SCAN_ALLOWED 0 +#endif +/* + * 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 +#if defined(WL_CFG80211_P2P_DEV_IF) +wl_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request); +#else +wl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, + struct cfg80211_scan_request *request); +#endif /* WL_CFG80211_P2P_DEV_IF */ +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 +#if defined(WL_CFG80211_P2P_DEV_IF) +wl_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, + enum nl80211_tx_power_setting type, s32 mbm); +#else +wl_cfg80211_set_tx_power(struct wiphy *wiphy, + enum nl80211_tx_power_setting type, s32 dbm); +#endif /* WL_CFG80211_P2P_DEV_IF */ +static s32 +#if defined(WL_CFG80211_P2P_DEV_IF) +wl_cfg80211_get_tx_power(struct wiphy *wiphy, + struct wireless_dev *wdev, s32 *dbm); +#else +wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm); +#endif /* WL_CFG80211_P2P_DEV_IF */ +static s32 wl_cfg80211_config_default_key(struct wiphy *wiphy, + struct net_device *dev, + u8 key_idx, bool unicast, bool multicast); +static s32 wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, bool pairwise, const u8 *mac_addr, + struct key_params *params); +static s32 wl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, bool pairwise, const u8 *mac_addr); +static s32 wl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, bool pairwise, const u8 *mac_addr, + void *cookie, void (*callback) (void *cookie, + struct key_params *params)); +static s32 wl_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, + struct net_device *dev, u8 key_idx); +static s32 wl_cfg80211_resume(struct wiphy *wiphy); +#if defined(WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, \ + 2, 0)) +static s32 wl_cfg80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, + bcm_struct_cfgdev *cfgdev, u64 cookie); +static s32 wl_cfg80211_del_station(struct wiphy *wiphy, + struct net_device *ndev, u8* mac_addr); +#endif /* WL_SUPPORT_BACKPORTED_KPATCHES || KERNEL_VER >= KERNEL_VERSION(3, 2, 0)) */ +static s32 +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS) +wl_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow); +#else +wl_cfg80211_suspend(struct wiphy *wiphy); +#endif +static s32 wl_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_pmksa *pmksa); +static s32 wl_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_pmksa *pmksa); +static s32 wl_cfg80211_flush_pmksa(struct wiphy *wiphy, + struct net_device *dev); +static void wl_cfg80211_scan_abort(struct wl_priv *wl); +static s32 wl_notify_escan_complete(struct wl_priv *wl, + struct net_device *ndev, bool aborted, bool fw_abort); +#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS) +static s32 wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, + u8 *peer, enum nl80211_tdls_operation oper); +#endif /* LINUX_VERSION > KERNEL_VERSION(3,2,0) || WL_COMPAT_WIRELESS */ + +/* + * 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, + bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); +static s32 wl_notify_roaming_status(struct wl_priv *wl, + bcm_struct_cfgdev *cfgdev, const wl_event_msg_t *e, void *data); +static s32 wl_notify_scan_status(struct wl_priv *wl, bcm_struct_cfgdev *cfgdev, + 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, bcm_struct_cfgdev *cfgdev, + 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, bcm_struct_cfgdev *cfgdev, + 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); +#ifdef WL_SDO +static s32 wl_svc_resp_handler(struct wl_priv *wl, bcm_struct_cfgdev *cfgdev, + const wl_event_msg_t *e, void *data); +static s32 wl_notify_device_discovery(struct wl_priv *wl, bcm_struct_cfgdev *cfgdev, + const wl_event_msg_t *e, void *data); +#endif + +#ifdef WLTDLS +static s32 wl_tdls_event_handler(struct wl_priv *wl, bcm_struct_cfgdev *cfgdev, + const wl_event_msg_t *e, void *data); +#endif /* WLTDLS */ +/* + * register/deregister parent device + */ +static void wl_cfg80211_clear_parent_dev(void); + +/* + * ioctl utilites + */ + +/* + * cfg80211 set_wiphy_params utilities + */ +static s32 wl_set_frag(struct net_device *dev, u32 frag_threshold); +static s32 wl_set_rts(struct net_device *dev, u32 frag_threshold); +static s32 wl_set_retry(struct net_device *dev, u32 retry, bool l); + +/* + * 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 void wl_update_hidden_ap_ie(struct wl_bss_info *bi, u8 *ie_stream, u32 *ie_size); +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 MFP +static int wl_cfg80211_get_rsn_capa(bcm_tlv_t *wpa2ie, u8* capa); +#endif + +#ifdef WL11U +bcm_tlv_t * +wl_cfg80211_find_interworking_ie(u8 *parse, u32 len); +static s32 +wl_cfg80211_add_iw_ie(struct 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, void *data); +static void wl_free_wdev(struct wl_priv *wl); +#ifdef CONFIG_CFG80211_INTERNAL_REGDB +static int +wl_cfg80211_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request); +#endif /* CONFIG_CFG80211_INTERNAL_REGDB */ + +static s32 wl_inform_bss(struct wl_priv *wl); +static s32 wl_inform_single_bss(struct wl_priv *wl, struct wl_bss_info *bi); +static s32 wl_update_bss_info(struct wl_priv *wl, struct net_device *ndev); +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 void wl_cfg80211_work_handler(struct work_struct *work); +static s32 wl_add_keyext(struct wiphy *wiphy, struct net_device *dev, + u8 key_idx, const u8 *mac_addr, + struct key_params *params); +/* + * key indianess swap utilities + */ +static void swap_key_from_BE(struct wl_wsec_key *key); +static void swap_key_to_BE(struct wl_wsec_key *key); + +/* + * 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); +#ifdef DEBUGFS_CFG80211 +static s32 wl_setup_debugfs(struct wl_priv *wl); +static s32 wl_free_debugfs(struct wl_priv *wl); +#endif + +static wl_scan_params_t *wl_cfg80211_scan_alloc_params(int channel, + int nprobes, int *out_params_size); +static bool check_dev_role_integrity(struct wl_priv *wl, u32 dev_role); + +/* + * Some external functions, TODO: move them to dhd_linux.h + */ +int dhd_add_monitor(char *name, struct net_device **new_ndev); +int dhd_del_monitor(struct net_device *ndev); +int dhd_monitor_init(void *dhd_pub); +int dhd_monitor_uninit(void); +int dhd_start_xmit(struct sk_buff *skb, struct net_device *net); + + +#ifdef WL_SDO +s32 wl_cfg80211_sdo_init(struct wl_priv *wl); +s32 wl_cfg80211_sdo_deinit(struct wl_priv *wl); +#define MAX_SDO_PROTO 5 +wl_sdo_proto_t wl_sdo_protos [] = { + { "all", SVC_RPOTYPE_ALL }, + { "upnp", SVC_RPOTYPE_UPNP }, + { "bonjour", SVC_RPOTYPE_BONJOUR }, + { "wsd", SVC_RPOTYPE_WSD }, + { "vendor", SVC_RPOTYPE_VENDOR }, +}; +#endif + +#define RETURN_EIO_IF_NOT_UP(wlpriv) \ +do { \ + struct net_device *checkSysUpNDev = wl_to_prmry_ndev(wlpriv); \ + if (unlikely(!wl_get_drv_status(wlpriv, READY, checkSysUpNDev))) { \ + 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(DOT11_RATE_1M, 0), + RATETAB_ENT(DOT11_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE), + RATETAB_ENT(DOT11_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE), + RATETAB_ENT(DOT11_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE), + RATETAB_ENT(DOT11_RATE_6M, 0), + RATETAB_ENT(DOT11_RATE_9M, 0), + RATETAB_ENT(DOT11_RATE_12M, 0), + RATETAB_ENT(DOT11_RATE_18M, 0), + RATETAB_ENT(DOT11_RATE_24M, 0), + RATETAB_ENT(DOT11_RATE_36M, 0), + RATETAB_ENT(DOT11_RATE_48M, 0), + RATETAB_ENT(DOT11_RATE_54M, 0) +}; + +#define wl_a_rates (__wl_rates + 4) +#define wl_a_rates_size 8 +#define wl_g_rates (__wl_rates + 0) +#define wl_g_rates_size 12 + +static struct ieee80211_channel __wl_2ghz_channels[] = { + CHAN2G(1, 2412, 0), + CHAN2G(2, 2417, 0), + CHAN2G(3, 2422, 0), + CHAN2G(4, 2427, 0), + CHAN2G(5, 2432, 0), + CHAN2G(6, 2437, 0), + CHAN2G(7, 2442, 0), + CHAN2G(8, 2447, 0), + CHAN2G(9, 2452, 0), + CHAN2G(10, 2457, 0), + CHAN2G(11, 2462, 0), + CHAN2G(12, 2467, 0), + CHAN2G(13, 2472, 0), + CHAN2G(14, 2484, 0) +}; + +static struct ieee80211_channel __wl_5ghz_a_channels[] = { + CHAN5G(34, 0), CHAN5G(36, 0), + CHAN5G(38, 0), CHAN5G(40, 0), + CHAN5G(42, 0), CHAN5G(44, 0), + CHAN5G(46, 0), CHAN5G(48, 0), + CHAN5G(52, 0), CHAN5G(56, 0), + CHAN5G(60, 0), CHAN5G(64, 0), + CHAN5G(100, 0), CHAN5G(104, 0), + CHAN5G(108, 0), CHAN5G(112, 0), + CHAN5G(116, 0), CHAN5G(120, 0), + CHAN5G(124, 0), CHAN5G(128, 0), + CHAN5G(132, 0), CHAN5G(136, 0), + CHAN5G(140, 0), CHAN5G(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 +#if defined(WLFBT) && defined(WLAN_CIPHER_SUITE_PMK) + WLAN_CIPHER_SUITE_PMK, +#endif +}; + + +#if defined(USE_DYNAMIC_MAXPKT_RXGLOM) +static int maxrxpktglom = 0; +#endif + +/* IOCtl version read from targeted driver */ +static int ioctl_version; +#ifdef DEBUGFS_CFG80211 +#define S_SUBLOGLEVEL 20 +static const struct { + u32 log_level; + char *sublogname; +} sublogname_map[] = { + {WL_DBG_ERR, "ERR"}, + {WL_DBG_INFO, "INFO"}, + {WL_DBG_DBG, "DBG"}, + {WL_DBG_SCAN, "SCAN"}, + {WL_DBG_TRACE, "TRACE"}, + {WL_DBG_P2P_ACTION, "P2PACTION"} +}; +#endif + + +/* 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) + }, +#if defined(WL_CFG80211_P2P_DEV_IF) + [NL80211_IFTYPE_P2P_DEVICE] = { + .tx = 0xffff, + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) + }, +#endif /* WL_CFG80211_P2P_DEV_IF */ +}; + +static void swap_key_from_BE(struct wl_wsec_key *key) +{ + key->index = htod32(key->index); + key->len = htod32(key->len); + key->algo = htod32(key->algo); + key->flags = htod32(key->flags); + key->rxiv.hi = htod32(key->rxiv.hi); + key->rxiv.lo = htod16(key->rxiv.lo); + key->iv_initialized = htod32(key->iv_initialized); +} + +static void swap_key_to_BE(struct wl_wsec_key *key) +{ + key->index = dtoh32(key->index); + key->len = dtoh32(key->len); + key->algo = dtoh32(key->algo); + key->flags = dtoh32(key->flags); + key->rxiv.hi = dtoh32(key->rxiv.hi); + key->rxiv.lo = dtoh16(key->rxiv.lo); + key->iv_initialized = dtoh32(key->iv_initialized); +} + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)) && !defined(WL_COMPAT_WIRELESS) +/* 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 < VERSION(3, 4, 0) && !WL_COMPAT_WIRELESS */ + +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 bcm_struct_cfgdev * +wl_cfg80211_add_monitor_if(char *name) +{ +#if defined(WL_ENABLE_P2P_IF) || defined(WL_CFG80211_P2P_DEV_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_to_cfgdev(ndev); +#endif /* WL_ENABLE_P2P_IF || WL_CFG80211_P2P_DEV_IF */ +} + +static bcm_struct_cfgdev * +wl_cfg80211_add_virtual_iface(struct wiphy *wiphy, +#if defined(WL_CFG80211_P2P_DEV_IF) + const char *name, +#else + char *name, +#endif /* WL_CFG80211_P2P_DEV_IF */ + enum nl80211_iftype type, u32 *flags, + struct vif_params *params) +{ + s32 err; + s32 timeout = -1; + s32 wlif_type = -1; + s32 mode = 0; + s32 val = 0; + s32 dhd_mode = 0; + chanspec_t chspec; + struct 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((char *)name); +#if defined(WL_CFG80211_P2P_DEV_IF) + case NL80211_IFTYPE_P2P_DEVICE: + return wl_cfgp2p_add_p2p_disc_if(); +#endif /* WL_CFG80211_P2P_DEV_IF */ + 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)) { + ASSERT(wl->p2p); /* ensure expectation of p2p initialization */ + 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(("Released the lock and wait till IF_DEL is complete\n")); + 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_cfg80211_scan_abort(wl); +#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); + + if (mode != WL_MODE_AP) + wldev_iovar_setint(_ndev, "buf_key_b4_m4", 1); + + 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)); +#ifdef PROP_TXSTATUS_VSDB + if (dhd->plat_enable) + dhd->plat_enable((void *)dhd); +#endif /* PROP_TXSTATUS_VSDB */ + /* reinitialize completion to clear previous count */ + INIT_COMPLETION(wl->iface_disable); + } 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_to_cfgdev(_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); + if (dhd->plat_deinit) + dhd->plat_deinit((void *)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, bcm_struct_cfgdev *cfgdev) +{ + struct net_device *dev = NULL; + struct ether_addr p2p_mac; + struct wl_priv *wl = wiphy_priv(wiphy); + s32 timeout = -1; + s32 ret = 0; + s32 index = -1; + WL_DBG(("Enter\n")); + +#if defined(WL_CFG80211_P2P_DEV_IF) + if (cfgdev->iftype == NL80211_IFTYPE_P2P_DEVICE) { + return wl_cfgp2p_del_p2p_disc_if(cfgdev); + } +#endif /* WL_CFG80211_P2P_DEV_IF */ + dev = cfgdev_to_wlc_ndev(cfgdev, wl); + + if (wl_cfgp2p_find_idx(wl, dev, &index) != BCME_OK) { + WL_ERR(("Find p2p index from ndev(%p) failed\n", dev)); + return BCME_ERROR; + } + 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); + + if (wl->pm_enable_work_on) { + cancel_delayed_work_sync(&wl->pm_enable_work); + wl->pm_enable_work_on = false; + } + + /* 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)); + } + } + wl_cfgp2p_clear_management_ie(wl, index); + + if (wl_get_mode_by_netdev(wl, dev) != WL_MODE_AP) + wldev_iovar_setint(dev, "buf_key_b4_m4", 0); + + /* 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 <inter> 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 ibss = 0; + s32 wlif_type; + s32 mode = 0; + s32 err = BCME_OK; + 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; + ibss = 1; + break; + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_P2P_CLIENT: + mode = WL_MODE_BSS; + infra = 1; + break; + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_P2P_GO: + mode = WL_MODE_AP; + ap = 1; + break; + default: + return -EINVAL; + } + if (!dhd) + return -EINVAL; + if (ap) { + wl_set_mode_by_netdev(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; + printk("%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")); + } + + if (ibss) { + infra = 0; + wl_set_mode_by_netdev(wl, ndev, mode); + err = wldev_ioctl(ndev, WLC_SET_INFRA, &infra, sizeof(s32), true); + if (err < 0) { + WL_ERR(("SET Adhoc error %d\n", err)); + return -EINVAL; + } + } + + ndev->ieee80211_ptr->iftype = type; + return 0; +} + +s32 +wl_cfg80211_notify_ifadd(struct net_device *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 type = -1; + s32 bssidx = -1; + +#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 %p, vif name: %s\n", + ndev, wl->p2p->vir_ifname)); + + memset(wl->p2p->vir_ifname, '\0', IFNAMSIZ); + if (wl_cfgp2p_find_idx(wl, ndev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p bssidx from ndev(%p) failed\n", ndev)); + return BCME_ERROR; + } + if (wl_cfgp2p_find_type(wl, bssidx, &type) != BCME_OK) { + WL_ERR(("Find p2p type from bssidx(%d) failed\n", bssidx)); + return BCME_ERROR; + } + wl_to_p2p_bss_ndev(wl, type) = NULL; + wl_to_p2p_bss_bssidx(wl, type) = WL_INVALID; + wl->p2p->vif_created = false; + + WL_DBG(("type : %d\n", type)); +#ifdef PROP_TXSTATUS_VSDB + if (dhd->wlfc_enabled && wl->wlfc_on) { + dhd->wlfc_enabled = false; + dhd_wlfc_deinit(dhd); + if (dhd->plat_deinit) + dhd->plat_deinit((void *)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, + const u8 *ie, u32 ie_len) +{ + wifi_p2p_ie_t *p2p_ie; + u8 *end, *pos; + s32 listen_channel; + + pos = (u8 *)ie; + p2p_ie = wl_cfgp2p_find_p2pie(pos, ie_len); + + if (p2p_ie == NULL) + return 0; + + pos = p2p_ie->subelts; + end = p2p_ie->subelts + (p2p_ie->len - 4); + + CFGP2P_DBG((" found p2p ie ! lenth %d \n", + p2p_ie->len)); + + while (pos < end) { + uint16 attr_len; + if (pos + 2 >= end) { + CFGP2P_DBG((" -- Invalid P2P attribute")); + return 0; + } + attr_len = ((uint16) (((pos + 1)[1] << 8) | (pos + 1)[0])); + + if (pos + 3 + attr_len > end) { + CFGP2P_DBG(("P2P: Attribute underflow " + "(len=%u left=%d)", + attr_len, (int) (end - pos - 3))); + return 0; + } + + /* if Listen Channel att id is 6 and the vailue is valid, + * return the listen channel + */ + if (pos[0] == 6) { + /* listen channel subel length format + * 1(id) + 2(len) + 3(country) + 1(op. class) + 1(chan num) + */ + listen_channel = pos[1 + 2 + 3 + 1]; + + if (listen_channel == SOCIAL_CHAN_1 || + listen_channel == SOCIAL_CHAN_2 || + listen_channel == SOCIAL_CHAN_3) { + CFGP2P_DBG((" Found my Listen Channel %d \n", listen_channel)); + return listen_channel; + } + } + pos += 3 + attr_len; + } + return 0; +} + +static void wl_scan_prep(struct wl_scan_params *params, struct cfg80211_scan_request *request) +{ + u32 n_ssids; + u32 n_channels; + u16 channel; + chanspec_t chanspec; + s32 i = 0, j = 0, offset; + char *ptr; + wlc_ssid_t ssid; + struct 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) { + params->active_time = htod32(WL_SCAN_CONNECT_DWELL_TIME_MS); + params->nprobes = htod32(params->active_time / WL_SCAN_JOIN_PROBE_INTERVAL_MS); + } +} + +static s32 +wl_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; +} + +#if defined(USE_INITIAL_SHORT_DWELL_TIME) +#define FIRST_SCAN_ACTIVE_DWELL_TIME_MS 40 +static bool +g_first_broadcast_scan = TRUE; +#endif + +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; + scb_val_t scbval; +#if defined(USE_INITIAL_SHORT_DWELL_TIME) + bool is_first_init_2g_scan = false; +#endif + p2p_scan_purpose_t p2p_scan_purpose = P2P_SCAN_PURPOSE_MIN; + static int cnt = 0; + + WL_DBG(("Enter \n")); + + /* scan request can come with empty request : perform all default scan */ + if (!wl) { + err = -EINVAL; + goto exit; + } + if (!wl->p2p_supported || !p2p_scan(wl)) { + /* LEGACY SCAN TRIGGER */ + WL_SCAN((" LEGACY E-SCAN START\n")); + +#if defined(USE_INITIAL_SHORT_DWELL_TIME) + if (!request) { + err = -EINVAL; + goto exit; + } + if (ndev == wl_to_prmry_ndev(wl) && g_first_broadcast_scan == true) { + is_first_init_2g_scan = true; + g_first_broadcast_scan = false; + } +#endif + + /* 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); + +#if defined(USE_INITIAL_SHORT_DWELL_TIME) + /* Override active_time to reduce scan time if it's first bradcast scan. */ + if (is_first_init_2g_scan) + params->params.active_time = FIRST_SCAN_ACTIVE_DWELL_TIME_MS; +#endif + + params->version = htod32(ESCAN_REQ_VERSION); + params->action = htod16(action); + wl_escan_set_sync_id(params->sync_id, wl); + 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 == SOCIAL_CHAN_CNT && ( + (default_chan_list[0] == SOCIAL_CHAN_1) && + (default_chan_list[1] == SOCIAL_CHAN_2) && + (default_chan_list[2] == SOCIAL_CHAN_3))) { + /* SOCIAL CHANNELS 1, 6, 11 */ + search_state = WL_P2P_DISC_ST_SEARCH; + p2p_scan_purpose = P2P_SCAN_SOCIAL_CHANNEL; + WL_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; + p2p_scan_purpose = P2P_SCAN_NORMAL; + + } else if (num_chans == 1) { + p2p_scan_purpose = P2P_SCAN_CONNECT_TRY; + } else if (num_chans == SOCIAL_CHAN_CNT + 1) { + /* SOCIAL_CHAN_CNT + 1 takes care of the Progressive scan supported by + * the supplicant + */ + p2p_scan_purpose = P2P_SCAN_SOCIAL_CHANNEL; + } else { + WL_INFO(("P2P SCAN STATE START \n")); + num_chans = n_nodfs; + p2p_scan_purpose = P2P_SCAN_NORMAL; + } + } else { + err = -EINVAL; + goto exit; + } + 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), NULL, + p2p_scan_purpose); + + if (!err) + wl->p2p->search_state = search_state; + + kfree(default_chan_list); + } +exit: + if (unlikely(err)) { + /* Don't print Error incase of Scan suppress */ + if ((err == BCME_EPERM) && wl->scan_suppressed) + WL_DBG(("Escan failed: Scan Suppressed \n")); + else { + cnt++; + WL_ERR(("error (%d), cnt=%d\n", err, cnt)); + // terence 20140111: send disassoc to firmware + if (cnt >= 4) { + dev = wl_to_prmry_ndev(wl); + memset(&scbval, 0, sizeof(scb_val_t)); + wldev_ioctl(dev, WLC_DISASSOC, &scbval, sizeof(scb_val_t), true); + WL_ERR(("Send disassoc to break the busy dev=%p\n", dev)); + cnt = 0; + } + } + } else { + cnt = 0; + } + return err; +} + + +static s32 +wl_do_escan(struct 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_escan_get_buf(wl, FALSE); + 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; +#endif + s32 err = 0; + s32 bssidx = -1; + s32 i; + + unsigned long flags; + static s32 busy_count = 0; + + dhd_pub_t *dhd; + + dhd = (dhd_pub_t *)(wl->pub); + if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) { + WL_ERR(("Invalid Scan Command at SoftAP mode\n")); + return -EINVAL; + } + + ndev = ndev_to_wlc_ndev(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(("<<<<<<<<<<<Force Clear Scanning Status>>>>>>>>>>>\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 */ + +#ifdef WL_SDO + if (wl_get_p2p_status(wl, DISC_IN_PROGRESS)) { + wl_cfg80211_pause_sdo(ndev, wl); + } +#endif + + /* 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)) { + + if (wl_cfgp2p_find_idx(wl, ndev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from ndev(%p) failed\n", + ndev)); + err = BCME_ERROR; + goto scan_out; + } +#ifdef WL11U + if ((interworking_ie = wl_cfg80211_find_interworking_ie( + (u8 *)request->ie, request->ie_len)) != NULL) { + err = wl_cfg80211_add_iw_ie(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); + wl->wl11u = FALSE; + /* 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; + } + if (request && !p2p_scan(wl)) + WL_TRACE_HW4(("START SCAN\n")); + 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)) { + +#ifdef WL_SDO + if (wl_get_p2p_status(wl, DISC_IN_PROGRESS)) { + /* We shouldn't be getting p2p_find while discovery + * offload is in progress + */ + WL_SD(("P2P_FIND: Discovery offload is in progress." + " Do nothing\n")); + err = -EINVAL; + goto scan_out; + } +#endif + /* find my listen channel */ + wl->afx_hdl->my_listen_chan = + wl_find_listen_channel(wl, 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_scan_abort(wl); + } + } 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); + +#ifdef WL_SDO + if (wl_get_p2p_status(wl, DISC_IN_PROGRESS)) { + wl_cfg80211_resume_sdo(ndev, wl); + } +#endif + return err; +} + +static s32 +#if defined(WL_CFG80211_P2P_DEV_IF) +wl_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) +#else +wl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, + struct cfg80211_scan_request *request) +#endif /* WL_CFG80211_P2P_DEV_IF */ +{ + s32 err = 0; + struct wl_priv *wl = wiphy_priv(wiphy); +#if defined(WL_CFG80211_P2P_DEV_IF) + struct net_device *ndev = wl_to_prmry_ndev(wl); +#endif /* WL_CFG80211_P2P_DEV_IF */ + + WL_DBG(("Enter \n")); + RETURN_EIO_IF_NOT_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; + + RETURN_EIO_IF_NOT_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 chanspec_t channel_to_chanspec(struct wiphy *wiphy, struct net_device *dev, u32 channel) +{ + struct wl_priv *wl = wiphy_priv(wiphy); + u8 *buf = NULL; + wl_uint32_list_t *list; + int err = BCME_OK; + chanspec_t c = 0, ret_c = 0; + int bw = 0, tmp_bw = 0; + int i; + u32 tmp_c, sb; + u16 kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL; +#define LOCAL_BUF_SIZE 1024 + buf = (u8 *) kzalloc(LOCAL_BUF_SIZE, kflags); + if (!buf) { + WL_ERR(("buf memory alloc failed\n")); + goto exit; + } + list = (wl_uint32_list_t *)(void *)buf; + list->count = htod32(WL_NUMCHANSPECS); + err = wldev_iovar_getbuf_bsscfg(dev, "chanspecs", NULL, + 0, buf, LOCAL_BUF_SIZE, 0, &wl->ioctl_buf_sync); + if (err != BCME_OK) { + WL_ERR(("get chanspecs failed with %d\n", err)); + goto exit; + } + for (i = 0; i < dtoh32(list->count); i++) { + c = dtoh32(list->element[i]); + if (channel <= CH_MAX_2G_CHANNEL) { + if (!CHSPEC_IS20(c)) + continue; + if (channel == CHSPEC_CHANNEL(c)) { + ret_c = c; + bw = 20; + goto exit; + } + } + if (CHSPEC_IS20(c)) { + tmp_c = CHSPEC_CHANNEL(c); + tmp_bw = 20; + } + else if (CHSPEC_IS40(c)) { + tmp_c = CHSPEC_CHANNEL(c); + if (CHSPEC_SB_UPPER(c)) { + tmp_c += CH_10MHZ_APART; + } else { + tmp_c -= CH_10MHZ_APART; + } + tmp_bw = 40; + } + else { + tmp_c = CHSPEC_CHANNEL(c); + sb = c & WL_CHANSPEC_CTL_SB_MASK; + if (sb == WL_CHANSPEC_CTL_SB_LL) { + tmp_c -= (CH_10MHZ_APART + CH_20MHZ_APART); + } else if (sb == WL_CHANSPEC_CTL_SB_LU) { + tmp_c -= CH_10MHZ_APART; + } else if (sb == WL_CHANSPEC_CTL_SB_UL) { + tmp_c += CH_10MHZ_APART; + } else { + /* WL_CHANSPEC_CTL_SB_UU */ + tmp_c += (CH_10MHZ_APART + CH_20MHZ_APART); + } + tmp_bw = 80; + } + if (tmp_c != channel) + continue; + + if (tmp_bw > bw) { + bw = tmp_bw; + ret_c = c; + } + } +exit: + if (buf) + kfree(buf); +#undef LOCAL_BUF_SIZE + WL_INFO(("return chanspec %x %d\n", ret_c, bw)); + return ret_c; +} + +void +wl_cfg80211_ibss_vsie_set_buffer(vndr_ie_setbuf_t *ibss_vsie, int ibss_vsie_len) +{ + struct wl_priv *wl = wlcfg_drv_priv; + + if (wl != NULL && ibss_vsie != NULL) { + if (wl->ibss_vsie != NULL) { + kfree(wl->ibss_vsie); + } + wl->ibss_vsie = ibss_vsie; + wl->ibss_vsie_len = ibss_vsie_len; + } +} + +static void +wl_cfg80211_ibss_vsie_free(struct wl_priv *wl) +{ + /* free & initiralize VSIE (Vendor Specific IE) */ + if (wl->ibss_vsie != NULL) { + kfree(wl->ibss_vsie); + wl->ibss_vsie = NULL; + wl->ibss_vsie_len = 0; + } +} + +s32 +wl_cfg80211_ibss_vsie_delete(struct net_device *dev) +{ + struct wl_priv *wl = wlcfg_drv_priv; + char *ioctl_buf = NULL; + s32 ret = BCME_OK; + + if (wl != NULL && wl->ibss_vsie != NULL) { + ioctl_buf = kmalloc(WLC_IOCTL_MEDLEN, GFP_KERNEL); + if (!ioctl_buf) { + WL_ERR(("ioctl memory alloc failed\n")); + return -ENOMEM; + } + + /* change the command from "add" to "del" */ + strncpy(wl->ibss_vsie->cmd, "del", VNDR_IE_CMD_LEN - 1); + wl->ibss_vsie->cmd[VNDR_IE_CMD_LEN - 1] = '\0'; + + ret = wldev_iovar_setbuf(dev, "ie", + wl->ibss_vsie, wl->ibss_vsie_len, + ioctl_buf, WLC_IOCTL_MEDLEN, NULL); + WL_ERR(("ret=%d\n", ret)); + + if (ret == BCME_OK) { + /* free & initiralize VSIE */ + kfree(wl->ibss_vsie); + wl->ibss_vsie = NULL; + wl->ibss_vsie_len = 0; + } + + if (ioctl_buf) { + kfree(ioctl_buf); + } + } + + return ret; +} + +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; + int scan_suppress = 1; + size_t join_params_size; + chanspec_t chanspec; + + WL_TRACE(("In\n")); + RETURN_EIO_IF_NOT_UP(wl); + WL_INFO(("JOIN BSSID:" MACDBG "\n", MAC2STRDBG(params->bssid))); + if (!params->ssid || params->ssid_len <= 0) { + WL_ERR(("Invalid parameter\n")); + return -EINVAL; + } + if (wl_get_drv_status(wl, CONNECTED, dev)) { + struct wlc_ssid *ssid = (struct wlc_ssid *)wl_read_prof(wl, dev, WL_PROF_SSID); + u8 *bssid = (u8 *)wl_read_prof(wl, dev, WL_PROF_BSSID); + if (!params->bssid || (memcmp(params->bssid, bssid, ETHER_ADDR_LEN) == 0 && + memcmp(params->ssid, ssid->SSID, ssid->SSID_len) == 0)) { + WL_ERR(("Connection already existed to " MACDBG "\n", + MAC2STRDBG((u8 *)wl_read_prof(wl, dev, WL_PROF_BSSID)))); + return -EISCONN; + } + WL_ERR(("Ignore Previous connecton to %s (" MACDBG ")\n", + ssid->SSID, MAC2STRDBG(bssid))); + } + + /* remove the VSIE */ + wl_cfg80211_ibss_vsie_delete(dev); + + bss = cfg80211_get_ibss(wiphy, NULL, params->ssid, params->ssid_len); + if (!bss) { + if (IBSS_INITIAL_SCAN_ALLOWED == TRUE) { + memcpy(ssid.ssid, params->ssid, params->ssid_len); + ssid.ssid_len = params->ssid_len; + do { + if (unlikely + (__wl_cfg80211_scan(wiphy, dev, NULL, &ssid) == + -EBUSY)) { + wl_delay(150); + } else { + break; + } + } while (++scan_retry < WL_SCAN_RETRY_MAX); + + /* wait 4 secons till scan done.... */ + schedule_timeout_interruptible(msecs_to_jiffies(4000)); + bss = cfg80211_get_ibss(wiphy, NULL, + params->ssid, params->ssid_len); + } + } + if (bss && ((IBSS_COALESCE_ALLOWED == TRUE) || + ((IBSS_COALESCE_ALLOWED == FALSE) && params->bssid && + !memcmp(bss->bssid, params->bssid, ETHER_ADDR_LEN)))) { + wl->ibss_starter = false; + WL_DBG(("Found IBSS\n")); + } else { + wl->ibss_starter = true; + } +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0)) + chan = params->chandef.chan; +#else + chan = params->channel; +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0)) */ + if (chan) + wl->channel = ieee80211_frequency_to_channel(chan->center_freq); + chanspec = channel_to_chanspec(wiphy, dev, wl->channel); + /* + * Join with specific BSSID and cached SSID + * If SSID is zero join based on BSSID only + */ + memset(&join_params, 0, sizeof(join_params)); + memcpy((void *)join_params.ssid.SSID, (void *)params->ssid, + params->ssid_len); + join_params.ssid.SSID_len = htod32(params->ssid_len); + if (params->bssid) { + memcpy(&join_params.params.bssid, params->bssid, ETHER_ADDR_LEN); + err = wldev_ioctl(dev, WLC_SET_DESIRED_BSSID, &join_params.params.bssid, + ETHER_ADDR_LEN, true); + if (unlikely(err)) { + WL_ERR(("Error (%d)\n", err)); + return err; + } + } else + memset(&join_params.params.bssid, 0, ETHER_ADDR_LEN); + + wldev_iovar_setint(dev, "ibss_coalesce_allowed", IBSS_COALESCE_ALLOWED); + + if (IBSS_INITIAL_SCAN_ALLOWED == FALSE) { + scan_suppress = TRUE; + /* Set the SCAN SUPRESS Flag in the firmware to skip join scan */ + err = wldev_ioctl(dev, WLC_SET_SCANSUPPRESS, &scan_suppress, sizeof(int), true); + if (unlikely(err)) { + WL_ERR(("Scan Supress Setting failed(%d)\n", err)); + return err; + } + } + + join_params.params.chanspec_list[0] = chanspec; + join_params.params.chanspec_num = 1; + wldev_iovar_setint(dev, "chanspec", chanspec); + join_params_size = sizeof(join_params); + + /* Disable Authentication, IBSS will add key if it required */ + wldev_iovar_setint(dev, "wpa_auth", WPA_AUTH_DISABLED); + wldev_iovar_setint(dev, "wsec", 0); + + err = wldev_ioctl(dev, WLC_SET_SSID, &join_params, + join_params_size, true); + if (unlikely(err)) { + WL_ERR(("Error (%d)\n", err)); + return err; + } + + if (IBSS_INITIAL_SCAN_ALLOWED == FALSE) { + scan_suppress = FALSE; + /* Restore the SCAN SUPPRESS Falg */ + err = wldev_ioctl(dev, WLC_SET_SCANSUPPRESS, + &scan_suppress, sizeof(int), true); + if (unlikely(err)) { + WL_ERR(("Reset SCAN Suppress Flag failed (%d)\n", err)); + return err; + } + } + wl_update_prof(wl, dev, NULL, &join_params.ssid, WL_PROF_SSID); + 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; + scb_val_t scbval; + u8 *curbssid; + + RETURN_EIO_IF_NOT_UP(wl); + wl_link_down(wl); + WL_ERR(("Leave IBSS\n")); + curbssid = wl_read_prof(wl, dev, WL_PROF_BSSID); + wl_set_drv_status(wl, DISCONNECTING, dev); + scbval.val = 0; + memcpy(&scbval.ea, curbssid, ETHER_ADDR_LEN); + err = wldev_ioctl(dev, WLC_DISASSOC, &scbval, + sizeof(scb_val_t), true); + if (unlikely(err)) { + wl_clr_drv_status(wl, DISCONNECTING, dev); + WL_ERR(("error(%d)\n", err)); + return err; + } + + /* remove the VSIE */ + wl_cfg80211_ibss_vsie_delete(dev); + + return err; +} + +#ifdef MFP +static int wl_cfg80211_get_rsn_capa(bcm_tlv_t *wpa2ie, u8* capa) +{ + u16 suite_count; + wpa_suite_mcast_t *mcast; + wpa_suite_ucast_t *ucast; + u16 len; + wpa_suite_auth_key_mgmt_t *mgmt; + + if (!wpa2ie) + return -1; + + len = wpa2ie->len; + mcast = (wpa_suite_mcast_t *)&wpa2ie->data[WPA2_VERSION_LEN]; + if ((len -= WPA_SUITE_LEN) <= 0) + return BCME_BADLEN; + ucast = (wpa_suite_ucast_t *)&mcast[1]; + suite_count = ltoh16_ua(&ucast->count); + if ((suite_count > NL80211_MAX_NR_CIPHER_SUITES) || + (len -= (WPA_IE_SUITE_COUNT_LEN + + (WPA_SUITE_LEN * suite_count))) <= 0) + return BCME_BADLEN; + + mgmt = (wpa_suite_auth_key_mgmt_t *)&ucast->list[suite_count]; + suite_count = ltoh16_ua(&mgmt->count); + + if ((suite_count > NL80211_MAX_NR_CIPHER_SUITES) || + (len -= (WPA_IE_SUITE_COUNT_LEN + + (WPA_SUITE_LEN * suite_count))) >= RSN_CAP_LEN) { + capa[0] = *(u8 *)&mgmt->list[suite_count]; + capa[1] = *((u8 *)&mgmt->list[suite_count] + 1); + } else + return BCME_BADLEN; + + return 0; +} +#endif /* MFP */ + +static s32 +wl_set_wpa_version(struct net_device *dev, struct cfg80211_connect_params *sme) +{ + struct wl_priv *wl = wlcfg_drv_priv; + struct wl_security *sec; + s32 val = 0; + s32 err = 0; + s32 bssidx; + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + + if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) + val = WPA_AUTH_PSK | +#ifdef BCMCCX + WPA_AUTH_CCKM | +#endif + WPA_AUTH_UNSPECIFIED; + else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) + val = WPA2_AUTH_PSK| +#ifdef BCMCCX + WPA2_AUTH_CCKM | +#endif + WPA2_AUTH_UNSPECIFIED; + else + val = WPA_AUTH_DISABLED; + + if (is_wps_conn(sme)) + val = WPA_AUTH_DISABLED; + +#ifdef BCMWAPI_WPI + if (sme->crypto.wpa_versions & NL80211_WAPI_VERSION_1) { + WL_DBG((" * wl_set_wpa_version, set wpa_auth" + " to WPA_AUTH_WAPI 0x400")); + val = WAPI_AUTH_PSK | WAPI_AUTH_UNSPECIFIED; + } +#endif + 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; + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + + 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; + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + + switch (sme->auth_type) { + case NL80211_AUTHTYPE_OPEN_SYSTEM: + val = WL_AUTH_OPEN_SYSTEM; + WL_DBG(("open system\n")); + break; + case NL80211_AUTHTYPE_SHARED_KEY: + val = WL_AUTH_SHARED_KEY; + WL_DBG(("shared key\n")); + break; + case NL80211_AUTHTYPE_AUTOMATIC: + val = WL_AUTH_OPEN_SHARED; + WL_DBG(("automatic\n")); + break; +#ifdef BCMCCX + case NL80211_AUTHTYPE_NETWORK_EAP: + WL_DBG(("network eap\n")); + val = DOT11_LEAP_AUTH; + break; +#endif + default: + val = 2; + WL_ERR(("invalid auth type (%d)\n", sme->auth_type)); + break; + } + + err = wldev_iovar_setint_bsscfg(dev, "auth", val, bssidx); + if (unlikely(err)) { + WL_ERR(("set auth failed (%d)\n", err)); + return err; + } + sec = wl_read_prof(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; + s32 wsec_val = 0; +#ifdef MFP + s32 mfp = 0; + bcm_tlv_t *wpa2_ie; + u8 rsn_cap[2]; +#endif /* MFP */ + +#ifdef BCMWAPI_WPI + s32 val = 0; +#endif + s32 bssidx; + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + + if (sme->crypto.n_ciphers_pairwise) { + switch (sme->crypto.ciphers_pairwise[0]) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + pval = WEP_ENABLED; + break; + case WLAN_CIPHER_SUITE_TKIP: + pval = TKIP_ENABLED; + break; + case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_AES_CMAC: + pval = AES_ENABLED; + break; +#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 defined(BCMSUP_4WAY_HANDSHAKE) && defined(WLAN_AKM_SUITE_FT_8021X) + /* Ensure in-dongle supplicant is turned on when FBT wants to do the 4-way + * handshake. + * Note that the FW feature flag only exists on kernels that support the + * FT-EAP AKM suite. + */ + if (wl->wdev->wiphy->features & NL80211_FEATURE_FW_4WAY_HANDSHAKE) { + if (pval == AES_ENABLED) + err = wldev_iovar_setint_bsscfg(dev, "sup_wpa", 1, bssidx); + else + err = wldev_iovar_setint_bsscfg(dev, "sup_wpa", 0, bssidx); + + if (err) { + WL_ERR(("FBT: Error setting sup_wpa (%d)\n", err)); + return err; + } + } +#endif /* BCMSUP_4WAY_HANDSHAKE && WLAN_AKM_SUITE_FT_8021X */ + 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); + else + /* WPS-2.0 allows no security */ + err = wldev_iovar_setint_bsscfg(dev, "wsec", 0, bssidx); + } else { +#ifdef BCMWAPI_WPI + 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); + } else { +#endif + WL_DBG((" NO, is_wps_conn, Set pval | gval to WSEC")); + wsec_val = pval | gval; + +#ifdef MFP + if (pval == AES_ENABLED) { + if (((wpa2_ie = bcm_parse_tlvs((u8 *)sme->ie, sme->ie_len, + DOT11_MNG_RSN_ID)) != NULL) && + (wl_cfg80211_get_rsn_capa(wpa2_ie, rsn_cap) == 0)) { + + if (rsn_cap[0] & RSN_CAP_MFPC) { + /* MFP Capability advertised by supplicant. Check + * whether MFP is supported in the firmware + */ + if ((err = wldev_iovar_getint_bsscfg(dev, + "mfp", &mfp, bssidx)) < 0) { + WL_ERR(("Get MFP failed! " + "Check MFP support in FW \n")); + return -1; + } + + if ((sme->crypto.n_akm_suites == 1) && + ((sme->crypto.akm_suites[0] == + WL_AKM_SUITE_MFP_PSK) || + (sme->crypto.akm_suites[0] == + WL_AKM_SUITE_MFP_1X))) { + wsec_val |= MFP_SHA256; + } else if (sme->crypto.n_akm_suites > 1) { + WL_ERR(("Multiple AKM Specified \n")); + return -EINVAL; + } + + wsec_val |= MFP_CAPABLE; + if (rsn_cap[0] & RSN_CAP_MFPR) + wsec_val |= MFP_REQUIRED; + } + } + } +#endif /* MFP */ + WL_DBG((" Set WSEC to fW 0x%x \n", wsec_val)); + err = wldev_iovar_setint_bsscfg(dev, "wsec", + wsec_val, bssidx); +#ifdef BCMWAPI_WPI + } +#endif + } + 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; + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + + if (sme->crypto.n_akm_suites) { + err = wldev_iovar_getint(dev, "wpa_auth", &val); + if (unlikely(err)) { + WL_ERR(("could not get wpa_auth (%d)\n", err)); + return err; + } + if (val & (WPA_AUTH_PSK | +#ifdef BCMCCX + WPA_AUTH_CCKM | +#endif + WPA_AUTH_UNSPECIFIED)) { + switch (sme->crypto.akm_suites[0]) { + case WLAN_AKM_SUITE_8021X: + val = WPA_AUTH_UNSPECIFIED; + break; + case WLAN_AKM_SUITE_PSK: + val = WPA_AUTH_PSK; + break; +#ifdef BCMCCX + case WLAN_AKM_SUITE_CCKM: + val = WPA_AUTH_CCKM; + break; +#endif + default: + WL_ERR(("invalid cipher group (%d)\n", + sme->crypto.cipher_group)); + return -EINVAL; + } + } else if (val & (WPA2_AUTH_PSK | +#ifdef BCMCCX + WPA2_AUTH_CCKM | +#endif + WPA2_AUTH_UNSPECIFIED)) { + switch (sme->crypto.akm_suites[0]) { + case WLAN_AKM_SUITE_8021X: + val = WPA2_AUTH_UNSPECIFIED; + break; +#ifdef MFP + case WL_AKM_SUITE_MFP_1X: + val = WPA2_AUTH_UNSPECIFIED; + break; + case WL_AKM_SUITE_MFP_PSK: + val = WPA2_AUTH_PSK; + break; +#endif + case WLAN_AKM_SUITE_PSK: + val = WPA2_AUTH_PSK; + break; +#if defined(WLFBT) && defined(WLAN_AKM_SUITE_FT_8021X) + case WLAN_AKM_SUITE_FT_8021X: + val = WPA2_AUTH_UNSPECIFIED | WPA2_AUTH_FT; + break; +#endif +#if defined(WLFBT) && defined(WLAN_AKM_SUITE_FT_PSK) + case WLAN_AKM_SUITE_FT_PSK: + val = WPA2_AUTH_PSK | WPA2_AUTH_FT; + break; +#endif +#ifdef BCMCCX + case WLAN_AKM_SUITE_CCKM: + val = WPA2_AUTH_CCKM; + break; +#endif + 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; + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + + WL_DBG(("key len (%d)\n", sme->key_len)); + if (sme->key_len) { + sec = wl_read_prof(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 | +#ifdef BCMWAPI_WPI + NL80211_WPA_VERSION_2 | NL80211_WAPI_VERSION_1)) && +#else + NL80211_WPA_VERSION_2)) && +#endif + (sec->cipher_pairwise & (WLAN_CIPHER_SUITE_WEP40 | +#ifdef BCMWAPI_WPI + WLAN_CIPHER_SUITE_WEP104 | WLAN_CIPHER_SUITE_SMS4))) +#else + WLAN_CIPHER_SUITE_WEP104))) +#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; +} + +#if defined(ESCAN_RESULT_PATCH) +static u8 connect_req_bssid[6]; +static u8 broad_bssid[6]; +#endif /* ESCAN_RESULT_PATCH */ + + + +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; + s32 bssidx; + int ret; + int wait_cnt; + + WL_DBG(("In\n")); + + if (unlikely(!sme->ssid)) { + WL_ERR(("Invalid ssid\n")); + return -EOPNOTSUPP; + } + + if (unlikely(sme->ssid_len > DOT11_MAX_SSID_LEN)) { + WL_ERR(("Invalid SSID info: SSID=%s, length=%d\n", + sme->ssid, sme->ssid_len)); + return -EINVAL; + } + + RETURN_EIO_IF_NOT_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 +#if defined(ESCAN_RESULT_PATCH) + if (sme->bssid) + memcpy(connect_req_bssid, sme->bssid, ETHER_ADDR_LEN); + else + bzero(connect_req_bssid, ETHER_ADDR_LEN); + bzero(broad_bssid, ETHER_ADDR_LEN); +#endif +#if defined(USE_DYNAMIC_MAXPKT_RXGLOM) + maxrxpktglom = 0; +#endif + bzero(&bssid, sizeof(bssid)); + if (!wl_get_drv_status(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; + } + wait_cnt = 500/10; + while (wl_get_drv_status(wl, DISCONNECTING, dev) && wait_cnt) { + WL_DBG(("Waiting for disconnection terminated, wait_cnt: %d\n", + wait_cnt)); + wait_cnt--; + OSL_SLEEP(10); + } + } else + WL_DBG(("Currently not associated!\n")); + } else { + /* if status is DISCONNECTING, wait for disconnection terminated max 500 ms */ + wait_cnt = 500/10; + while (wl_get_drv_status(wl, DISCONNECTING, dev) && wait_cnt) { + WL_DBG(("Waiting for disconnection terminated, wait_cnt: %d\n", wait_cnt)); + wait_cnt--; + OSL_SLEEP(10); + } + } + + /* 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 */ + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + wl_cfgp2p_set_management_ie(wl, dev, bssidx, + 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); + } + + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + err = wl_cfgp2p_set_management_ie(wl, dev, bssidx, + 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 when channel info is provided in connect command + */ + ext_join_params->scan.active_time = chan_cnt ? WL_SCAN_JOIN_ACTIVE_DWELL_TIME_MS : -1; + ext_join_params->scan.passive_time = chan_cnt ? WL_SCAN_JOIN_PASSIVE_DWELL_TIME_MS : -1; + /* Set up join scan parameters */ + ext_join_params->scan.scan_type = -1; + ext_join_params->scan.nprobes = chan_cnt ? + (ext_join_params->scan.active_time/WL_SCAN_JOIN_PROBE_INTERVAL_MS) : -1; + ext_join_params->scan.home_time = -1; + + if (sme->bssid) + memcpy(&ext_join_params->assoc.bssid, sme->bssid, ETH_ALEN); + else + memcpy(&ext_join_params->assoc.bssid, ðer_bcast, ETH_ALEN); + ext_join_params->assoc.chanspec_num = chan_cnt; + if (chan_cnt) { + 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); + + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + err = wldev_iovar_setbuf_bsscfg(dev, "join", ext_join_params, join_params_size, + wl->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &wl->ioctl_buf_sync); + + printk("Connectting with " MACDBG " channel (%d) ssid \"%s\", len (%d)\n\n", + MAC2STRDBG((u8*)(&ext_join_params->assoc.bssid)), wl->channel, + ext_join_params->ssid.SSID, ext_join_params->ssid.SSID_len); + + 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 %zu\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)); + RETURN_EIO_IF_NOT_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 +#if defined(WL_CFG80211_P2P_DEV_IF) +wl_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, + enum nl80211_tx_power_setting type, s32 mbm) +#else +wl_cfg80211_set_tx_power(struct wiphy *wiphy, + enum nl80211_tx_power_setting type, s32 dbm) +#endif /* WL_CFG80211_P2P_DEV_IF */ +{ + + struct wl_priv *wl = wiphy_priv(wiphy); + struct net_device *ndev = wl_to_prmry_ndev(wl); + u16 txpwrmw; + s32 err = 0; + s32 disable = 0; + s32 txpwrqdbm; +#if defined(WL_CFG80211_P2P_DEV_IF) + s32 dbm = MBM_TO_DBM(mbm); +#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) || \ + defined(WL_COMPAT_WIRELESS) || defined(WL_SUPPORT_BACKPORTED_KPATCHES) + dbm = MBM_TO_DBM(dbm); +#endif /* WL_CFG80211_P2P_DEV_IF */ + + RETURN_EIO_IF_NOT_UP(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; + txpwrqdbm = (s32)bcm_mw_to_qdbm(txpwrmw); +#ifdef SUPPORT_WL_TXPOWER + if (type == NL80211_TX_POWER_AUTOMATIC) + txpwrqdbm = 127; + txpwrqdbm |= WL_TXPWR_OVERRIDE; +#endif /* SUPPORT_WL_TXPOWER */ + err = wldev_iovar_setint(ndev, "qtxpower", txpwrqdbm); + if (unlikely(err)) { + WL_ERR(("qtxpower error (%d)\n", err)); + return err; + } + wl->conf->tx_power = dbm; + + return err; +} + +static s32 +#if defined(WL_CFG80211_P2P_DEV_IF) +wl_cfg80211_get_tx_power(struct wiphy *wiphy, + struct wireless_dev *wdev, s32 *dbm) +#else +wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm) +#endif /* WL_CFG80211_P2P_DEV_IF */ +{ + struct wl_priv *wl = wiphy_priv(wiphy); + struct net_device *ndev = wl_to_prmry_ndev(wl); + s32 txpwrdbm; + u8 result; + s32 err = 0; + + RETURN_EIO_IF_NOT_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; + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + + WL_DBG(("key index (%d)\n", key_idx)); + RETURN_EIO_IF_NOT_UP(wl); + err = wldev_iovar_getint_bsscfg(dev, "wsec", &wsec, bssidx); + if (unlikely(err)) { + WL_ERR(("WLC_GET_WSEC error (%d)\n", err)); + return err; + } + /* fix IOT issue with Apple Airport */ + 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; + s32 mode = wl_get_mode_by_netdev(wl, dev); + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + memset(&key, 0, sizeof(key)); + key.index = (u32) key_idx; + + if (!ETHER_ISMULTI(mac_addr)) + memcpy((char *)&key.ea, (void *)mac_addr, ETHER_ADDR_LEN); + key.len = (u32) params->key_len; + + /* check for key index change */ + if (key.len == 0) { + /* key delete */ + swap_key_from_BE(&key); + err = wldev_iovar_setbuf_bsscfg(dev, "wsec_key", &key, sizeof(key), + 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)); + RETURN_EIO_IF_NOT_UP(wl); + + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + + if (mac_addr && + ((params->cipher != WLAN_CIPHER_SUITE_WEP40) && + (params->cipher != WLAN_CIPHER_SUITE_WEP104))) { + wl_add_keyext(wiphy, dev, key_idx, mac_addr, params); + goto exit; + } + memset(&key, 0, sizeof(key)); + + key.len = (u32) params->key_len; + key.index = (u32) key_idx; + + if (unlikely(key.len > sizeof(key.data))) { + WL_ERR(("Too long key length (%u)\n", key.len)); + return -EINVAL; + } + memcpy(key.data, params->key, key.len); + + key.flags = WL_PRIMARY_KEY; + switch (params->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + key.algo = CRYPTO_ALGO_WEP1; + val = WEP_ENABLED; + WL_DBG(("WLAN_CIPHER_SUITE_WEP40\n")); + break; + case WLAN_CIPHER_SUITE_WEP104: + key.algo = CRYPTO_ALGO_WEP128; + val = WEP_ENABLED; + WL_DBG(("WLAN_CIPHER_SUITE_WEP104\n")); + break; + case WLAN_CIPHER_SUITE_TKIP: + key.algo = CRYPTO_ALGO_TKIP; + val = TKIP_ENABLED; + /* wpa_supplicant switches the third and fourth quarters of the TKIP key */ + if (mode == WL_MODE_BSS) { + bcopy(&key.data[24], keybuf, sizeof(keybuf)); + bcopy(&key.data[16], &key.data[24], sizeof(keybuf)); + bcopy(keybuf, &key.data[16], sizeof(keybuf)); + } + WL_DBG(("WLAN_CIPHER_SUITE_TKIP\n")); + break; + case WLAN_CIPHER_SUITE_AES_CMAC: + key.algo = CRYPTO_ALGO_AES_CCM; + val = AES_ENABLED; + WL_DBG(("WLAN_CIPHER_SUITE_AES_CMAC\n")); + break; + case WLAN_CIPHER_SUITE_CCMP: + key.algo = CRYPTO_ALGO_AES_CCM; + val = AES_ENABLED; + WL_DBG(("WLAN_CIPHER_SUITE_CCMP\n")); + break; +#ifdef BCMWAPI_WPI + case WLAN_CIPHER_SUITE_SMS4: + key.algo = CRYPTO_ALGO_SMS4; + WL_DBG(("WLAN_CIPHER_SUITE_SMS4\n")); + val = SMS4_ENABLED; + break; +#endif /* BCMWAPI_WPI */ +#if defined(WLFBT) && defined(WLAN_CIPHER_SUITE_PMK) + case WLAN_CIPHER_SUITE_PMK: { + int j; + wsec_pmk_t pmk; + char keystring[WSEC_MAX_PSK_LEN + 1]; + char* charptr = keystring; + uint len; + + /* copy the raw hex key to the appropriate format */ + for (j = 0; j < (WSEC_MAX_PSK_LEN / 2); j++) { + sprintf(charptr, "%02x", params->key[j]); + charptr += 2; + } + len = strlen(keystring); + pmk.key_len = htod16(len); + bcopy(keystring, pmk.key, len); + pmk.flags = htod16(WSEC_PASSPHRASE); + + err = wldev_ioctl(dev, WLC_SET_WSEC_PMK, &pmk, sizeof(pmk), true); + if (err) + return err; + } break; +#endif /* WLFBT && WLAN_CIPHER_SUITE_PMK */ + default: + WL_ERR(("Invalid cipher (0x%x)\n", params->cipher)); + return -EINVAL; + } + + /* Set the new key/index */ + if ((mode == WL_MODE_IBSS) && (val & (TKIP_ENABLED | AES_ENABLED))) { + WL_ERR(("IBSS KEY setted\n")); + wldev_iovar_setint(dev, "wpa_auth", WPA_AUTH_NONE); + } + swap_key_from_BE(&key); + 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; + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + WL_DBG(("Enter\n")); + +#ifndef IEEE80211W + if ((key_idx >= DOT11_MAX_DEFAULT_KEYS) && (key_idx < DOT11_MAX_DEFAULT_KEYS+2)) + return -EINVAL; +#endif + + RETURN_EIO_IF_NOT_UP(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; + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + WL_DBG(("key index (%d)\n", key_idx)); + RETURN_EIO_IF_NOT_UP(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); + + err = wldev_iovar_getint_bsscfg(dev, "wsec", &wsec, bssidx); + if (unlikely(err)) { + WL_ERR(("WLC_GET_WSEC error (%d)\n", err)); + return err; + } + switch (wsec & ~SES_OW_ENABLED) { + case WEP_ENABLED: + sec = wl_read_prof(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(("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); + scb_val_t scb_val; + s32 rssi; + s32 rate; + s32 err = 0; + sta_info_t *sta; +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) || defined(WL_COMPAT_WIRELESS) + s8 eabuf[ETHER_ADDR_STR_LEN]; +#endif + static int err_cnt = 0; + dhd_pub_t *dhd = (dhd_pub_t *)(wl->pub); + RETURN_EIO_IF_NOT_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)) || defined(WL_COMPAT_WIRELESS) + 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 || + wl_get_mode_by_netdev(wl, dev) == WL_MODE_IBSS) { + 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 { +#if defined(USE_DYNAMIC_MAXPKT_RXGLOM) + int rxpktglom; +#endif + rate = dtoh32(rate); + sinfo->filled |= STATION_INFO_TX_BITRATE; + sinfo->txrate.legacy = rate * 5; + WL_DBG(("Rate %d Mbps\n", (rate / 2))); +#if defined(USE_DYNAMIC_MAXPKT_RXGLOM) + rxpktglom = ((rate/2) > 150) ? 20 : 10; + + if (maxrxpktglom != rxpktglom) { + maxrxpktglom = rxpktglom; + WL_DBG(("Rate %d Mbps, update bus:maxtxpktglom=%d\n", (rate/2), + maxrxpktglom)); + err = wldev_iovar_setbuf(dev, "bus:maxtxpktglom", + (char*)&maxrxpktglom, 4, wl->ioctl_buf, + WLC_IOCTL_MAXLEN, NULL); + if (err < 0) { + WL_ERR(("set bus:maxtxpktglom failed, %d\n", err)); + } + } +#endif + } + + memset(&scb_val, 0, sizeof(scb_val)); + scb_val.val = 0; + err = wldev_ioctl(dev, WLC_GET_RSSI, &scb_val, + sizeof(scb_val_t), false); + if (err) { + WL_ERR(("Could not get rssi (%d)\n", err)); + goto get_station_err; + } + rssi = dtoh32(scb_val.val); +#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); +#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_cnt++; + else + err_cnt = 0; + if (err_cnt >= 3 && (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); + } + } + else { + WL_ERR(("Invalid device mode %d\n", wl_get_mode_by_netdev(wl, dev))); + } + + 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) */ + RETURN_EIO_IF_NOT_UP(wl); + WL_DBG(("Enter\n")); +#if defined(WL_ENABLE_P2P_IF) + if (wl->p2p_net == dev || _net_info == NULL || wl->vsdb_mode || + !wl_get_drv_status(wl, CONNECTED, dev)) +#else + if (_net_info == NULL || wl->vsdb_mode || + !wl_get_drv_status(wl, CONNECTED, dev)) +#endif /* WL_ENABLE_P2P_IF */ + { + return err; + } + WL_DBG(("%s: Enter power save enabled %d\n", dev->name, enabled)); + + /* Delete pm_enable_work */ + if (wl->pm_enable_work_on) { + cancel_delayed_work_sync(&wl->pm_enable_work); + wl->pm_enable_work_on = false; + } + +#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_ERR(("%s:Do not enable the power save for pm_block %d\n", + dev->name, _net_info->pm_block)); + pm = PM_OFF; + } + pm = htod32(pm); + WL_DBG(("%s:power save %s\n", dev->name, (pm ? "enabled" : "disabled"))); + err = wldev_ioctl(dev, WLC_SET_PM, &pm, sizeof(pm), true); + if (unlikely(err)) { + if (err == -ENODEV) + WL_DBG(("net_device is not ready yet\n")); + else + WL_ERR(("error (%d)\n", err)); + return err; + } + 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)) || defined(WL_COMPAT_WIRELESS) +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; + + RETURN_EIO_IF_NOT_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 = {0}; + s32 err = 0; + int i; + + RETURN_EIO_IF_NOT_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; + RETURN_EIO_IF_NOT_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(("mem alloc failed (%d bytes)\n", params_size)); + return params; + } + memset(params, 0, params_size); + params->nprobes = nprobes; + + num_chans = (channel == 0) ? 0 : 1; + + memcpy(¶ms->bssid, ðer_bcast, ETHER_ADDR_LEN); + params->bss_type = DOT11_BSSTYPE_ANY; + params->scan_type = DOT11_SCANTYPE_ACTIVE; + params->nprobes = htod32(1); + params->active_time = htod32(-1); + params->passive_time = htod32(-1); + params->home_time = htod32(10); + if (channel == -1) + params->channel_list[0] = htodchanspec(channel); + else + params->channel_list[0] = wl_ch_host_to_driver(channel); + + /* Our scan params have 1 channel and 0 ssids */ + params->channel_num = htod32((0 << WL_SCAN_PARAMS_NSSID_SHIFT) | + (num_chans & WL_SCAN_PARAMS_COUNT_MASK)); + + *out_params_size = params_size; /* rtn size to the caller */ + return params; +} + +static s32 +#if defined(WL_CFG80211_P2P_DEV_IF) +wl_cfg80211_remain_on_channel(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, + struct ieee80211_channel *channel, unsigned int duration, u64 *cookie) +#else +wl_cfg80211_remain_on_channel(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, + struct ieee80211_channel * channel, + enum nl80211_channel_type channel_type, + unsigned int duration, u64 *cookie) +#endif /* WL_CFG80211_P2P_DEV_IF */ +{ + s32 target_channel; + u32 id; + s32 err = BCME_OK; + struct ether_addr primary_mac; + struct net_device *ndev = NULL; + struct wl_priv *wl = wiphy_priv(wiphy); + + ndev = cfgdev_to_wlc_ndev(cfgdev, wl); + + WL_DBG(("Enter, channel: %d, duration ms (%d) SCANNING ?? %s \n", + ieee80211_frequency_to_channel(channel->center_freq), + duration, (wl_get_drv_status(wl, SCANNING, ndev)) ? "YES":"NO")); + + 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_all(wl, SCANNING)) { + wl_notify_escan_complete(wl, wl->escan_info.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)); +#if defined(WL_ENABLE_P2P_IF) + wl->remain_on_chan_type = channel_type; +#endif /* WL_ENABLE_P2P_IF */ + 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")); +#if defined(WL_CFG80211_P2P_DEV_IF) + cfg80211_ready_on_channel(cfgdev, *cookie, channel, + duration, GFP_KERNEL); +#else + cfg80211_ready_on_channel(cfgdev, *cookie, channel, + channel_type, duration, GFP_KERNEL); +#endif /* WL_CFG80211_P2P_DEV_IF */ + } else { + WL_ERR(("Fail to Set (err=%d cookie:%llu)\n", err, *cookie)); + } + return err; +} + +static s32 +wl_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, + bcm_struct_cfgdev *cfgdev, u64 cookie) +{ + s32 err = 0; + +#if defined(WL_CFG80211_P2P_DEV_IF) + if (cfgdev->iftype == NL80211_IFTYPE_P2P_DEVICE) { + WL_DBG((" enter ) on P2P dedicated discover interface\n")); + } +#else + WL_DBG((" enter ) netdev_ifidx: %d \n", cfgdev->ifindex)); +#endif /* WL_CFG80211_P2P_DEV_IF */ + return err; +} + +static void +wl_cfg80211_afx_handler(struct work_struct *work) +{ + struct afx_hdl *afx_instance; + struct 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, + NULL); + } + 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(WL_AF_SEARCH_TIME_MAX)); + + 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(WL_AF_SEARCH_TIME_MAX)); + } + if ((wl->afx_hdl->peer_chan != WL_INVALID) || + !(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; + wl->next_af_subtype = P2P_PAF_SUBTYPE_INVALID; + + switch (act_frm->subtype) { + case P2P_PAF_GON_REQ: { + WL_DBG(("P2P: GO_NEG_PHASE status set \n")); + wl_set_p2p_status(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 + 100; + break; + } + case P2P_PAF_GON_CONF: { + /* If we reached till GO Neg confirmation reset the filter */ + WL_DBG(("P2P: GO_NEG_PHASE status cleared \n")); + wl_clr_p2p_status(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: { + if (IS_ACTPUB_WITHOUT_GROUP_ID(&act_frm->elts[0], + action_frame->len)) { + 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_ACTPUB_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; + af_params->dwell_time = WL_MIN_DWELL_TIME; +#ifdef WL_CFG80211_SYNC_GON + config_af_params->extra_listen = false; +#endif /* WL_CFG80211_SYNC_GON */ + break; + } + default: + WL_DBG(("Unknown p2p pub act frame subtype: %d\n", + act_frm->subtype)); + err = BCME_BADARG; + } + return err; +} + + +static bool +wl_cfg80211_send_action_frame(struct wiphy *wiphy, struct net_device *dev, + bcm_struct_cfgdev *cfgdev, wl_af_params_t *af_params, + wl_action_frame_t *action_frame, u16 action_frame_len, s32 bssidx) +{ +#ifdef WL11U + struct net_device *ndev = NULL; +#endif /* WL11U */ + struct 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); + +#ifdef WL11U +#if defined(WL_CFG80211_P2P_DEV_IF) + ndev = dev; +#else + ndev = ndev_to_cfgdev(cfgdev); +#endif /* WL_CFG80211_P2P_DEV_IF */ +#endif /* WL11U */ + + category = action_frame->data[DOT11_ACTION_CAT_OFF]; + action = action_frame->data[DOT11_ACTION_ACT_OFF]; + + /* initialize variables */ + tx_retry = 0; + 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))) { + OSL_SLEEP(50); + } +#endif + + /* if scan is ongoing, abort current scan. */ + if (wl_get_drv_status_all(wl, SCANNING)) { + wl_notify_escan_complete(wl, wl->escan_info.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 */ + if (wl_cfgp2p_find_idx(wl, dev, &wl->afx_hdl->bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + goto exit; + } + 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")); + wl_cfgp2p_print_actframe(true, action_frame->data, action_frame->len, + af_params->channel); + goto exit; + } + + wl_clr_drv_status(wl, SCANNING, wl->afx_hdl->dev); + /* + * Abort scan even for VSDB scenarios. Scan gets aborted in firmware + * but after the check of piggyback algorithm. + * To take care of current piggback algo, lets abort the scan here itself. + */ + wl_notify_escan_complete(wl, dev, true, true); + /* Suspend P2P discovery's search-listen to prevent it from + * starting a scan or changing the channel. + */ + wl_cfgp2p_discover_enable_search(wl, false); + + /* update channel */ + af_params->channel = wl->afx_hdl->peer_chan; + } + +#ifdef VSDB + off_chan_started_jiffies = jiffies; +#endif /* VSDB */ + + wl_cfgp2p_print_actframe(true, action_frame->data, action_frame->len, af_params->channel); + + /* Now send a tx action frame */ + ack = wl_cfgp2p_tx_action_frame(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; + } else + OSL_SLEEP(AF_RETRY_DELAY_TIME); + } +#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; +} + +#define MAX_NUM_OF_ASSOCIATED_DEV 64 +static s32 +#if defined(WL_CFG80211_P2P_DEV_IF) +wl_cfg80211_mgmt_tx(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, + struct ieee80211_channel *channel, bool offchan, + unsigned int wait, const u8* buf, size_t len, bool no_cck, + bool dont_wait_for_ack, u64 *cookie) +#else +wl_cfg80211_mgmt_tx(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, + 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)) || defined(WL_COMPAT_WIRELESS) + bool no_cck, +#endif +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0)) || defined(WL_COMPAT_WIRELESS) + bool dont_wait_for_ack, +#endif + u64 *cookie) +#endif /* WL_CFG80211_P2P_DEV_IF */ +{ + 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")); + + dev = cfgdev_to_wlc_ndev(cfgdev, wl); + + /* find bssidx based on dev */ + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + 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(cfgdev, *cookie, buf, len, true, GFP_KERNEL); + goto exit; + } else if (ieee80211_is_disassoc(mgmt->frame_control) || + ieee80211_is_deauth(mgmt->frame_control)) { + char mac_buf[MAX_NUM_OF_ASSOCIATED_DEV * + sizeof(struct ether_addr) + sizeof(uint)] = {0}; + int num_associated = 0; + struct maclist *assoc_maclist = (struct maclist *)mac_buf; + if (!bcmp((const uint8 *)BSSID_BROADCAST, + (const struct ether_addr *)mgmt->da, ETHER_ADDR_LEN)) { + assoc_maclist->count = MAX_NUM_OF_ASSOCIATED_DEV; + err = wldev_ioctl(dev, WLC_GET_ASSOCLIST, + assoc_maclist, sizeof(mac_buf), false); + if (err < 0) + WL_ERR(("WLC_GET_ASSOCLIST error %d\n", err)); + else + num_associated = assoc_maclist->count; + } + memcpy(scb_val.ea.octet, mgmt->da, ETH_ALEN); + scb_val.val = mgmt->u.disassoc.reason_code; + err = wldev_ioctl(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scb_val, + sizeof(scb_val_t), true); + if (err < 0) + WL_ERR(("WLC_SCB_DEAUTHENTICATE_FOR_REASON error %d\n", err)); + WL_ERR(("Disconnect STA : %s scb_val.val %d\n", + bcm_ether_ntoa((const struct ether_addr *)mgmt->da, eabuf), + scb_val.val)); + + if (num_associated > 0 && ETHER_ISBCAST(mgmt->da)) + wl_delay(400); + + cfg80211_mgmt_tx_status(cfgdev, *cookie, buf, len, true, GFP_KERNEL); + goto exit; + + } else if (ieee80211_is_action(mgmt->frame_control)) { + /* Abort the dwell time of any previous off-channel + * action frame that may be still in effect. Sending + * off-channel action frames relies on the driver's + * scan engine. If a previous off-channel action frame + * tx is still in progress (including the dwell time), + * then this new action frame will not be sent out. + */ +/* Do not abort scan for VSDB. Scan will be aborted in firmware if necessary. + * And previous off-channel action frame must be ended before new af tx. + */ +#ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST + wl_notify_escan_complete(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, cfgdev, af_params, + action_frame, action_frame->len, bssidx); + cfg80211_mgmt_tx_status(cfgdev, *cookie, buf, len, ack, GFP_KERNEL); + + kfree(af_params); +exit: + return err; +} + + +static void +wl_cfg80211_mgmt_frame_register(struct wiphy *wiphy, bcm_struct_cfgdev *cfgdev, + u16 frame_type, bool reg) +{ + + WL_DBG(("frame_type: %x, reg: %d\n", frame_type, reg)); + + if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ)) + return; + + return; +} + + +static s32 +wl_cfg80211_change_bss(struct wiphy *wiphy, + struct net_device *dev, + struct bss_parameters *params) +{ + 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); + + dev = ndev_to_wlc_ndev(dev, wl); + _chan = ieee80211_frequency_to_channel(chan->center_freq); + printk("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)) || defined(WL_COMPAT_WIRELESS) +static s32 wl_cfg80211_bcn_set_params( + struct cfg80211_ap_settings *info, + struct net_device *dev, + u32 dev_role, s32 bssidx) +{ + struct 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 >= VERSION(3,4,0) || WL_COMPAT_WIRELESS */ + +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; +#ifdef DISABLE_11H_SOFTAP + s32 spect = 0; +#endif /* DISABLE_11H_SOFTAP */ + s32 err = BCME_OK; + + WL_DBG(("Enter dev_role: %d\n", dev_role)); + + /* Common code for SoftAP and P2P GO */ + wldev_iovar_setint(dev, "mpc", 0); + + if (dev_role == NL80211_IFTYPE_P2P_GO) { + is_bssup = wl_cfgp2p_bss_isup(dev, bssidx); + if (!is_bssup && (ies->wpa2_ie != NULL)) { + + err = wldev_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(s32), true); + if (err < 0) { + WL_ERR(("SET INFRA error %d\n", err)); + goto exit; + } + + err = wldev_iovar_setbuf_bsscfg(dev, "ssid", &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; + } + + /* Do abort scan before creating GO */ + wl_cfg80211_scan_abort(wl); + + 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; + } +#ifdef DISABLE_11H_SOFTAP + err = wldev_ioctl(dev, WLC_SET_SPECT_MANAGMENT, + &spect, sizeof(s32), true); + if (err < 0) { + WL_ERR(("SET SPECT_MANAGMENT error %d\n", err)); + goto exit; + } +#endif /* DISABLE_11H_SOFTAP */ + + err = wldev_ioctl(dev, WLC_UP, &ap, sizeof(s32), true); + if (unlikely(err)) { + WL_ERR(("WLC_UP error (%d)\n", err)); + goto exit; + } + + memset(&join_params, 0, sizeof(join_params)); + /* join parameters starts with ssid */ + join_params_size = sizeof(join_params.ssid); + memcpy(join_params.ssid.SSID, 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)) || defined(WL_COMPAT_WIRELESS) +s32 +wl_cfg80211_parse_ap_ies( + struct net_device *dev, + struct cfg80211_beacon_data *info, + struct parsed_ies *ies) +{ + struct parsed_ies prb_ies; + struct wl_priv *wl = wlcfg_drv_priv; + dhd_pub_t *dhd = (dhd_pub_t *)(wl->pub); + u8 *vndr = NULL; + u32 vndr_ie_len = 0; + s32 err = BCME_OK; + + /* Parse Beacon IEs */ + if (wl_cfg80211_parse_ies((u8 *)info->tail, + info->tail_len, ies) < 0) { + WL_ERR(("Beacon get IEs failed \n")); + err = -EINVAL; + goto fail; + } + + vndr = (u8 *)info->proberesp_ies; + vndr_ie_len = info->proberesp_ies_len; + + if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) { + /* SoftAP mode */ + struct ieee80211_mgmt *mgmt; + mgmt = (struct ieee80211_mgmt *)info->probe_resp; + if (mgmt != NULL) { + vndr = (u8 *)&mgmt->u.probe_resp.variable; + vndr_ie_len = info->probe_resp_len - + offsetof(struct ieee80211_mgmt, u.probe_resp.variable); + } + } + + /* Parse Probe Response IEs */ + if (wl_cfg80211_parse_ies(vndr, vndr_ie_len, &prb_ies) < 0) { + WL_ERR(("PROBE RESP get IEs failed \n")); + err = -EINVAL; + } + +fail: + + return err; +} + +s32 +wl_cfg80211_set_ies( + struct net_device *dev, + struct cfg80211_beacon_data *info, + s32 bssidx) +{ + struct wl_priv *wl = wlcfg_drv_priv; + dhd_pub_t *dhd = (dhd_pub_t *)(wl->pub); + u8 *vndr = NULL; + u32 vndr_ie_len = 0; + s32 err = BCME_OK; + + /* Set Beacon IEs to FW */ + if ((err = wl_cfgp2p_set_management_ie(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")); + } + + vndr = (u8 *)info->proberesp_ies; + vndr_ie_len = info->proberesp_ies_len; + + if (dhd->op_mode & DHD_FLAG_HOSTAP_MODE) { + /* SoftAP mode */ + struct ieee80211_mgmt *mgmt; + mgmt = (struct ieee80211_mgmt *)info->probe_resp; + if (mgmt != NULL) { + vndr = (u8 *)&mgmt->u.probe_resp.variable; + vndr_ie_len = info->probe_resp_len - + offsetof(struct ieee80211_mgmt, u.probe_resp.variable); + } + } + + /* Set Probe Response IEs to FW */ + if ((err = wl_cfgp2p_set_management_ie(wl, dev, bssidx, + VNDR_IE_PRBRSP_FLAG, vndr, vndr_ie_len)) < 0) { + WL_ERR(("Set Probe Resp IE Failed \n")); + } else { + WL_DBG(("Applied Vndr IEs for Probe Resp \n")); + } + + return err; +} +#endif /* LINUX_VERSION >= VERSION(3,4,0) || WL_COMPAT_WIRELESS */ + +static s32 wl_cfg80211_hostapd_sec( + struct net_device *dev, + struct parsed_ies *ies, + s32 bssidx) +{ + bool update_bss = 0; + struct 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]; + int err; + char mac_buf[MAX_NUM_OF_ASSOCIATED_DEV * + sizeof(struct ether_addr) + sizeof(uint)] = {0}; + struct maclist *assoc_maclist = (struct maclist *)mac_buf; + int num_associated = 0; + + WL_DBG(("Entry\n")); + if (mac_addr == NULL) { + WL_DBG(("mac_addr is NULL ignore it\n")); + return 0; + } + + dev = ndev_to_wlc_ndev(ndev, wl); + + 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; + } + } + + assoc_maclist->count = MAX_NUM_OF_ASSOCIATED_DEV; + err = wldev_ioctl(ndev, WLC_GET_ASSOCLIST, + assoc_maclist, sizeof(mac_buf), false); + if (err < 0) + WL_ERR(("WLC_GET_ASSOCLIST error %d\n", err)); + else + num_associated = assoc_maclist->count; + + memcpy(scb_val.ea.octet, mac_addr, ETHER_ADDR_LEN); + scb_val.val = DOT11_RC_DEAUTH_LEAVING; + err = wldev_ioctl(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scb_val, + sizeof(scb_val_t), true); + if (err < 0) + WL_ERR(("WLC_SCB_DEAUTHENTICATE_FOR_REASON err %d\n", err)); + printk("Disconnect STA : %s scb_val.val %d\n", + bcm_ether_ntoa((const struct ether_addr *)mac_addr, eabuf), + scb_val.val); + + if (num_associated > 0 && ETHER_ISBCAST(mac_addr)) + wl_delay(400); + + return 0; +} +#endif /* WL_SUPPORT_BACKPORTED_KPATCHES || KERNEL_VER >= KERNEL_VERSION(3, 2, 0)) */ + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || defined(WL_COMPAT_WIRELESS) +static s32 +wl_cfg80211_start_ap( + struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_ap_settings *info) +{ + struct 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; + } +#if defined(WL_ENABLE_P2P_IF) + 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; + } +#endif /* WL_ENABLE_P2P_IF */ + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + 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 (!check_dev_role_integrity(wl, dev_role)) + goto fail; + +#if defined(WL_CFG80211_P2P_DEV_IF) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) + if ((err = wl_cfg80211_set_channel(wiphy, dev, + dev->ieee80211_ptr->preset_chandef.chan, + NL80211_CHAN_HT20) < 0)) { + WL_ERR(("Set channel failed \n")); + goto fail; + } +#endif /* WL_CFG80211_P2P_DEV_IF || (LINUX_VERSION >= VERSION(3, 6, 0)) */ + + if ((err = wl_cfg80211_bcn_set_params(info, dev, + dev_role, bssidx)) < 0) { + WL_ERR(("Beacon params set failed \n")); + goto fail; + } + + /* Parse IEs */ + if ((err = wl_cfg80211_parse_ap_ies(dev, &info->beacon, &ies)) < 0) { + WL_ERR(("Set IEs failed \n")); + goto fail; + } + + if ((wl_cfg80211_bcn_validate_sec(dev, &ies, + dev_role, bssidx)) < 0) + { + WL_ERR(("Beacon set security failed \n")); + goto fail; + } + + if ((err = wl_cfg80211_bcn_bringup_ap(dev, &ies, + dev_role, bssidx)) < 0) { + WL_ERR(("Beacon bring up AP/GO failed \n")); + goto fail; + } + + WL_DBG(("** AP/GO Created **\n")); + + /* Set IEs to FW */ + if ((err = wl_cfg80211_set_ies(dev, &info->beacon, bssidx)) < 0) + WL_ERR(("Set IEs failed \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; + } +#if defined(WL_ENABLE_P2P_IF) + else if (dev == wl->p2p_net) { + /* Group Add request on p2p0 */ + dev = wl_to_prmry_ndev(wl); + dev_role = NL80211_IFTYPE_P2P_GO; + } +#endif /* WL_ENABLE_P2P_IF */ + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + if (p2p_is_on(wl) && + (bssidx == wl_to_p2p_bss_bssidx(wl, + P2PAPI_BSSCFG_CONNECTION))) { + dev_role = NL80211_IFTYPE_P2P_GO; + } + + if (!check_dev_role_integrity(wl, dev_role)) + goto exit; + + if (dev_role == NL80211_IFTYPE_AP) { + /* SoftAp on primary Interface. + * Shut down AP and turn on MPC + */ + if ((err = wldev_ioctl(dev, WLC_SET_AP, &ap, sizeof(s32), true)) < 0) { + WL_ERR(("setting AP mode failed %d \n", err)); + err = -ENOTSUPP; + goto exit; + } + err = wldev_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(s32), true); + if (err < 0) { + WL_ERR(("SET INFRA error %d\n", err)); + err = -ENOTSUPP; + goto exit; + } + + err = wldev_ioctl(dev, WLC_UP, &ap, sizeof(s32), true); + if (unlikely(err)) { + WL_ERR(("WLC_UP error (%d)\n", err)); + err = -EINVAL; + goto exit; + } + + wl_clr_drv_status(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; + } +#if defined(WL_ENABLE_P2P_IF) + else if (dev == wl->p2p_net) { + /* Group Add request on p2p0 */ + dev = wl_to_prmry_ndev(wl); + dev_role = NL80211_IFTYPE_P2P_GO; + } +#endif /* WL_ENABLE_P2P_IF */ + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + if (p2p_is_on(wl) && + (bssidx == wl_to_p2p_bss_bssidx(wl, + P2PAPI_BSSCFG_CONNECTION))) { + dev_role = NL80211_IFTYPE_P2P_GO; + } + + if (!check_dev_role_integrity(wl, dev_role)) + goto fail; + + /* Parse IEs */ + if ((err = wl_cfg80211_parse_ap_ies(dev, info, &ies)) < 0) { + WL_ERR(("Parse IEs failed \n")); + goto fail; + } + + /* Set IEs to FW */ + if ((err = wl_cfg80211_set_ies(dev, info, bssidx)) < 0) { + WL_ERR(("Set IEs failed \n")); + goto fail; + } + + if (dev_role == NL80211_IFTYPE_AP) { + if (wl_cfg80211_hostapd_sec(dev, &ies, bssidx) < 0) { + WL_ERR(("Hostapd update sec failed \n")); + err = -EINVAL; + goto fail; + } + } + +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; + } +#if defined(WL_ENABLE_P2P_IF) + else if (dev == wl->p2p_net) { + /* Group Add request on p2p0 */ + dev = wl_to_prmry_ndev(wl); + dev_role = NL80211_IFTYPE_P2P_GO; + } +#endif /* WL_ENABLE_P2P_IF */ + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("Find p2p index from dev(%p) failed\n", dev)); + return BCME_ERROR; + } + if (p2p_is_on(wl) && + (bssidx == wl_to_p2p_bss_bssidx(wl, + P2PAPI_BSSCFG_CONNECTION))) { + dev_role = NL80211_IFTYPE_P2P_GO; + } + + if (!check_dev_role_integrity(wl, dev_role)) + goto fail; + + ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN; + /* find the SSID */ + if ((ssid_ie = bcm_parse_tlvs((u8 *)&info->head[ie_offset], + info->head_len - ie_offset, + DOT11_MNG_SSID_ID)) != NULL) { + if (dev_role == NL80211_IFTYPE_AP) { + /* Store the hostapd SSID */ + memset(&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 < VERSION(3,4,0) || WL_COMPAT_WIRELESS */ + +#ifdef WL_SCHED_SCAN +#define PNO_TIME 30 +#define PNO_REPEAT 4 +#define PNO_FREQ_EXPO_MAX 2 +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_for_ssid(dev, ssids_local, request->n_match_sets, + pno_time, pno_repeat, pno_freq_expo_max, NULL, 0)) < 0) { + WL_ERR(("PNO setup failed!! ret=%d \n", ret)); + return -EINVAL; + } + 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_stop_for_ssid(dev) < 0) + WL_ERR(("PNO Stop for SSID 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, +#if defined(WL_CFG80211_P2P_DEV_IF) + .start_p2p_device = wl_cfgp2p_start_p2p_device, + .stop_p2p_device = wl_cfgp2p_stop_p2p_device, +#endif /* WL_CFG80211_P2P_DEV_IF */ + .scan = wl_cfg80211_scan, + .set_wiphy_params = wl_cfg80211_set_wiphy_params, + .join_ibss = wl_cfg80211_join_ibss, + .leave_ibss = wl_cfg80211_leave_ibss, + .get_station = wl_cfg80211_get_station, + .set_tx_power = wl_cfg80211_set_tx_power, + .get_tx_power = wl_cfg80211_get_tx_power, + .add_key = wl_cfg80211_add_key, + .del_key = wl_cfg80211_del_key, + .get_key = wl_cfg80211_get_key, + .set_default_key = wl_cfg80211_config_default_key, + .set_default_mgmt_key = wl_cfg80211_config_default_mgmt_key, + .set_power_mgmt = wl_cfg80211_set_power_mgmt, + .connect = wl_cfg80211_connect, + .disconnect = wl_cfg80211_disconnect, + .suspend = wl_cfg80211_suspend, + .resume = wl_cfg80211_resume, + .set_pmksa = wl_cfg80211_set_pmksa, + .del_pmksa = wl_cfg80211_del_pmksa, + .flush_pmksa = wl_cfg80211_flush_pmksa, + .remain_on_channel = wl_cfg80211_remain_on_channel, + .cancel_remain_on_channel = wl_cfg80211_cancel_remain_on_channel, + .mgmt_tx = wl_cfg80211_mgmt_tx, + .mgmt_frame_register = wl_cfg80211_mgmt_frame_register, + .change_bss = wl_cfg80211_change_bss, +#if !defined(WL_CFG80211_P2P_DEV_IF) && (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0)) + .set_channel = wl_cfg80211_set_channel, +#endif /* !WL_CFG80211_P2P_DEV_IF && (LINUX_VERSION < VERSION(3, 6, 0)) */ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)) && !defined(WL_COMPAT_WIRELESS) + .set_beacon = wl_cfg80211_add_set_beacon, + .add_beacon = wl_cfg80211_add_set_beacon, +#else + .change_beacon = wl_cfg80211_change_beacon, + .start_ap = wl_cfg80211_start_ap, + .stop_ap = wl_cfg80211_stop_ap, +#endif /* LINUX_VERSION < KERNEL_VERSION(3,4,0) && !WL_COMPAT_WIRELESS */ +#ifdef WL_SCHED_SCAN + .sched_scan_start = wl_cfg80211_sched_scan_start, + .sched_scan_stop = wl_cfg80211_sched_scan_stop, +#endif /* 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) */ +#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS) + .tdls_oper = wl_cfg80211_tdls_oper +#endif /* LINUX_VERSION > VERSION(3, 2, 0) || WL_COMPAT_WIRELESS */ +}; + +s32 wl_mode_to_nl80211_iftype(s32 mode) +{ + s32 err = 0; + + switch (mode) { + case WL_MODE_BSS: + return NL80211_IFTYPE_STATION; + case WL_MODE_IBSS: + return NL80211_IFTYPE_ADHOC; + case WL_MODE_AP: + return NL80211_IFTYPE_AP; + default: + return NL80211_IFTYPE_UNSPECIFIED; + } + + return err; +} + +#ifdef CONFIG_CFG80211_INTERNAL_REGDB +/* Kernel Network Support->Wireless->Regulatory rules database + options should be enabled and regulatory CRDA regdb table populated in Kernel + for proper country reg notification +*/ +static int +wl_cfg80211_reg_notifier( + struct wiphy *wiphy, + struct regulatory_request *request) +{ + struct wl_priv *wl = (struct wl_priv *)wiphy_priv(wiphy); + 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) && + (request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE)) { + WL_ERR(("reg_notifier for intiator:%d not supported : set default\n", + request->initiator)); + /* in case of no supported country by regdb + lets driver setup platform default Locale + */ + } + + WL_ERR(("Set country code %c%c from %s\n", + request->alpha2[0], request->alpha2[1], + ((request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) ? " 11d AP" : "User"))); + + if ((ret = wldev_set_country(wl_to_prmry_ndev(wl), request->alpha2, + false, (request->initiator == NL80211_REGDOM_SET_BY_USER ? true : false))) < 0) { + WL_ERR(("set country Failed :%d\n", ret)); + } + + return ret; +} +#endif /* CONFIG_CFG80211_INTERNAL_REGDB */ + +static s32 wl_setup_wiphy(struct wireless_dev *wdev, struct device *sdiofunc_dev, void *data) +{ + s32 err = 0; +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) && \ + (defined(WL_IFACE_COMB_NUM_CHANNELS) || defined(WL_CFG80211_P2P_DEV_IF)) + dhd_pub_t *dhd = (dhd_pub_t *)data; +#endif /* LINUX_VER >= 3.0 && (WL_IFACE_COMB_NUM_CHANNELS || WL_CFG80211_P2P_DEV_IF) */ + + 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) + | BIT(NL80211_IFTYPE_ADHOC) +#if !defined(WL_ENABLE_P2P_IF) + | BIT(NL80211_IFTYPE_MONITOR) +#endif /* !WL_ENABLE_P2P_IF */ +#if defined(WL_IFACE_COMB_NUM_CHANNELS) || defined(WL_CFG80211_P2P_DEV_IF) + | BIT(NL80211_IFTYPE_P2P_CLIENT) + | BIT(NL80211_IFTYPE_P2P_GO) +#endif /* WL_IFACE_COMB_NUM_CHANNELS || WL_CFG80211_P2P_DEV_IF */ +#if defined(WL_CFG80211_P2P_DEV_IF) + | BIT(NL80211_IFTYPE_P2P_DEVICE) +#endif /* WL_CFG80211_P2P_DEV_IF */ + | BIT(NL80211_IFTYPE_AP); +#if 0 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) && \ + (defined(WL_IFACE_COMB_NUM_CHANNELS) || defined(WL_CFG80211_P2P_DEV_IF)) + if (dhd && dhd->op_mode == DHD_FLAG_HOSTAP_MODE) { + WL_DBG(("Setting interface combinations for SoftAP mode\n")); + wdev->wiphy->iface_combinations = softap_iface_combinations; + wdev->wiphy->n_iface_combinations = + ARRAY_SIZE(softap_iface_combinations); + } else { + WL_DBG(("Setting interface combinations for STA+P2P mode\n")); + wdev->wiphy->iface_combinations = sta_p2p_iface_combinations; + wdev->wiphy->n_iface_combinations = + ARRAY_SIZE(sta_p2p_iface_combinations); + } +#endif /* LINUX_VER >= 3.0 && (WL_IFACE_COMB_NUM_CHANNELS || WL_CFG80211_P2P_DEV_IF) */ +#endif + wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; + + wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; + wdev->wiphy->cipher_suites = __wl_cipher_suites; + wdev->wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); + wdev->wiphy->max_remain_on_channel_duration = 5000; + wdev->wiphy->mgmt_stypes = wl_cfg80211_default_mgmt_stypes; +#ifndef WL_POWERSAVE_DISABLED + wdev->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; +#else + wdev->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; +#endif /* !WL_POWERSAVE_DISABLED */ + wdev->wiphy->flags |= WIPHY_FLAG_NETNS_OK | + WIPHY_FLAG_4ADDR_AP | +#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 39)) && !defined(WL_COMPAT_WIRELESS) + WIPHY_FLAG_SUPPORTS_SEPARATE_DEFAULT_KEYS | +#endif + 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)) || defined(WL_COMPAT_WIRELESS) + 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 /* WL_SUPPORT_BACKPORTED_KPATCHES) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) */ + +#ifdef CONFIG_CFG80211_INTERNAL_REGDB + wdev->wiphy->reg_notifier = wl_cfg80211_reg_notifier; +#endif /* CONFIG_CFG80211_INTERNAL_REGDB */ + +#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS) + wdev->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; +#endif + 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); + } + +#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0)) && (LINUX_VERSION_CODE <= \ + KERNEL_VERSION(3, 3, 0))) && defined(WL_IFACE_COMB_NUM_CHANNELS) + wdev->wiphy->flags &= ~WIPHY_FLAG_ENFORCE_COMBINATIONS; +#endif /* ((LINUX_VER >= 3.0) && (LINUX_VER <= 3.3)) && WL_IFACE_COMB_NUM_CHANNELS */ + + 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 (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); + } + 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 + +#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); +#if defined(RSSIAVG) + wl_delete_disconnected_rssi_cache(&g_rssi_cache_ctrl, (u8*)&p2p_disconnected_bssid); +#endif + } + WL_SCAN(("Inform cached AP list\n")); + node = g_bss_cache_ctrl.m_cache_head; + for (i=0; node && i<WL_AP_MAX; i++) { + if (node->dirty > 1) { + // just inform dirty bss + bi = node->results.bss_info; + err = wl_inform_single_bss(wl, bi); + } + node = node->next; + } + bi = NULL; +#endif + + WL_SCAN(("scanned AP count (%d)\n", bss_list->count)); + 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); + } + + if (p2p_disconnected > 0) { + // terence 20130703: Fix for wrong group_capab (timing issue) + p2p_disconnected++; + if (p2p_disconnected >= REPEATED_SCAN_RESULT_CNT+1) + p2p_disconnected = 0; + } + + return err; +} + +static s32 wl_inform_single_bss(struct wl_priv *wl, struct wl_bss_info *bi) +{ + 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; + + 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); + if (notif_bss_info->rssi == RSSI_MINVAL) + notif_bss_info->rssi = MIN(dtoh16(bi->RSSI), RSSI_MAXVAL); +#endif +#if defined(RSSIOFFSET) + notif_bss_info->rssi = wl_update_rssi_offset(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); + wl_update_hidden_ap_ie(bi, ((u8 *) bi) + bi->ie_offset, &bi->ie_length); + 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, freq=%d, channel=%d\n", + freq, notif_bss_info->channel)); + 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; + } + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)) + cfg80211_put_bss(wiphy, cbss); +#else + cfg80211_put_bss(cbss); +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */ + kfree(notif_bss_info); + return err; +} + +static bool wl_is_linkup(struct 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) \ + && !defined(WL_COMPAT_WIRELESS) + 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 < VERSION(3,2,0)) && !WL_CFG80211_STA_EVENT && !WL_COMPAT_WIRELESS */ + + 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) \ + && !defined(WL_COMPAT_WIRELESS) + 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)) || defined(WL_COMPAT_WIRELESS) + cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC); +#else + cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC); +#endif /* LINUX_VERSION >= VERSION(3,4,0) || WL_COMPAT_WIRELESS */ + } else if (event == WLC_E_DISASSOC_IND) { +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || defined(WL_COMPAT_WIRELESS) + cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC); +#else + cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC); +#endif /* LINUX_VERSION >= VERSION(3,4,0) || WL_COMPAT_WIRELESS */ + } else if ((event == WLC_E_DEAUTH_IND) || (event == WLC_E_DEAUTH)) { +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 4, 0)) || defined(WL_COMPAT_WIRELESS) + cfg80211_rx_mgmt(ndev, freq, 0, mgmt_frame, len, GFP_ATOMIC); +#else + cfg80211_rx_mgmt(ndev, freq, mgmt_frame, len, GFP_ATOMIC); +#endif /* LINUX_VERSION >= VERSION(3,4,0) || WL_COMPAT_WIRELESS */ + } + +exit: + if (isfree) + kfree(mgmt_frame); + if (body) + kfree(body); +#else /* LINUX_VERSION < VERSION(3,2,0) && !WL_CFG80211_STA_EVENT && !WL_COMPAT_WIRELESS */ + sinfo.filled = 0; + if (((event == WLC_E_ASSOC_IND) || (event == WLC_E_REASSOC_IND)) && + reason == DOT11_SC_SUCCESS) { + sinfo.filled = STATION_INFO_ASSOC_REQ_IES; + if (!data) { + WL_ERR(("No IEs present in ASSOC/REASSOC_IND")); + return -EINVAL; + } + sinfo.assoc_req_ies = data; + sinfo.assoc_req_ies_len = len; + printk("%s: connected device "MACDBG"\n", __FUNCTION__, MAC2STRDBG(e->addr.octet)); + cfg80211_new_sta(ndev, e->addr.octet, &sinfo, GFP_ATOMIC); + } else if (event == WLC_E_DISASSOC_IND) { + printk("%s: disassociated device "MACDBG"\n", __FUNCTION__, MAC2STRDBG(e->addr.octet)); + cfg80211_del_sta(ndev, e->addr.octet, GFP_ATOMIC); + } else if ((event == WLC_E_DEAUTH_IND) || (event == WLC_E_DEAUTH)) { + printk("%s: deauthenticated device "MACDBG"\n", __FUNCTION__, MAC2STRDBG(e->addr.octet)); + cfg80211_del_sta(ndev, e->addr.octet, GFP_ATOMIC); + } +#endif /* LINUX_VERSION < VERSION(3,2,0) && !WL_CFG80211_STA_EVENT && !WL_COMPAT_WIRELESS */ + 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_ibss(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); + u16 flags = ntoh16(e->flags); + u32 status = ntoh32(e->status); + bool active; + + if (event == WLC_E_JOIN) { + WL_DBG(("joined in IBSS network\n")); + } + if (event == WLC_E_START) { + WL_DBG(("started IBSS network\n")); + } + if (event == WLC_E_JOIN || event == WLC_E_START || + (event == WLC_E_LINK && (flags == WLC_EVENT_MSG_LINK))) { + if (wl_get_drv_status(wl, CONNECTED, ndev)) { + /* ROAM or Redundant */ + u8 *cur_bssid = wl_read_prof(wl, ndev, WL_PROF_BSSID); + if (memcmp(cur_bssid, &e->addr, ETHER_ADDR_LEN) == 0) { + WL_DBG(("IBSS connected event from same BSSID(" + MACDBG "), ignore it\n", MAC2STRDBG(cur_bssid))); + return err; + } + WL_INFO(("IBSS BSSID is changed from " MACDBG " to " MACDBG "\n", + MAC2STRDBG(cur_bssid), MAC2STRDBG((u8 *)&e->addr))); + wl_get_assoc_ies(wl, ndev); + wl_update_prof(wl, ndev, NULL, (void *)&e->addr, WL_PROF_BSSID); + wl_update_bss_info(wl, ndev); + cfg80211_ibss_joined(ndev, (s8 *)&e->addr, GFP_KERNEL); + } + else { + /* New connection */ + WL_INFO(("IBSS connected to " MACDBG "\n", MAC2STRDBG((u8 *)&e->addr))); + wl_link_up(wl); + wl_get_assoc_ies(wl, ndev); + wl_update_prof(wl, ndev, NULL, (void *)&e->addr, WL_PROF_BSSID); + wl_update_bss_info(wl, ndev); + cfg80211_ibss_joined(ndev, (s8 *)&e->addr, GFP_KERNEL); + wl_set_drv_status(wl, CONNECTED, ndev); + active = true; + wl_update_prof(wl, ndev, NULL, (void *)&active, WL_PROF_ACT); + } + } else if ((event == WLC_E_LINK && !(flags & WLC_EVENT_MSG_LINK)) || + event == WLC_E_DEAUTH_IND || event == WLC_E_DISASSOC_IND) { + wl_clr_drv_status(wl, CONNECTED, ndev); + wl_link_down(wl); + wl_init_prof(wl, ndev); + } + else if (event == WLC_E_SET_SSID && status == WLC_E_STATUS_NO_NETWORKS) { + WL_DBG(("no action - join fail (IBSS mode)\n")); + } + else { + WL_DBG(("no action (IBSS mode)\n")); + } + return err; +} + +static s32 +wl_notify_connect_status(struct wl_priv *wl, bcm_struct_cfgdev *cfgdev, + const wl_event_msg_t *e, void *data) +{ + bool act; + struct net_device *ndev = NULL; + s32 err = 0; + u32 event = ntoh32(e->event_type); + + ndev = cfgdev_to_wlc_ndev(cfgdev, wl); + + if (wl_get_mode_by_netdev(wl, ndev) == WL_MODE_AP) { + err = wl_notify_connect_status_ap(wl, ndev, e, data); + } else if (wl_get_mode_by_netdev(wl, ndev) == WL_MODE_IBSS) { + err = wl_notify_connect_status_ibss(wl, ndev, e, data); + } else if (wl_get_mode_by_netdev(wl, ndev) == WL_MODE_BSS) { + WL_DBG(("wl_notify_connect_status : event %d status : %d ndev %p\n", + ntoh32(e->event_type), ntoh32(e->status), ndev)); + if (event == WLC_E_ASSOC || event == WLC_E_AUTH) { + wl_get_auth_assoc_status(wl, ndev, e); + return 0; + } + if (wl_is_linkup(wl, e, ndev)) { + wl_link_up(wl); + act = true; + 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); + dhd_conf_set_phyoclscdenable((dhd_pub_t *)wl->pub); + 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); + dhd_conf_set_wme((dhd_pub_t *)wl->pub); + } 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__); + } + } else { + WL_ERR(("Invalid ndev status %d\n", wl_get_mode_by_netdev(wl, ndev))); + } + return err; +} + +static s32 +wl_notify_roaming_status(struct wl_priv *wl, bcm_struct_cfgdev *cfgdev, + const wl_event_msg_t *e, void *data) +{ + bool act; + struct net_device *ndev = NULL; + s32 err = 0; + u32 event = be32_to_cpu(e->event_type); + u32 status = be32_to_cpu(e->status); + + WL_DBG(("Enter \n")); + + ndev = cfgdev_to_wlc_ndev(cfgdev, wl); + + 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); + dhd_conf_set_wme((dhd_pub_t *)wl->pub); + } + 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(("IE size %d above max %d size \n", + conn_info->req_ie_len, MAX_REQ_LINE)); + return err; + } + } else { + conn_info->req_ie_len = 0; + } + if (assoc_info.resp_len) { + err = wldev_iovar_getbuf(ndev, "assoc_resp_ies", NULL, 0, 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(("IE size %d above max %d size \n", + conn_info->resp_ie_len, MAX_REQ_LINE)); + return err; + } + } else { + conn_info->resp_ie_len = 0; + } + WL_DBG(("req len (%d) resp len (%d)\n", conn_info->req_ie_len, + conn_info->resp_ie_len)); + + return err; +} + +static void wl_ch_to_chanspec(int ch, struct wl_join_params *join_params, + size_t *join_params_size) +{ + 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) +{ + struct cfg80211_bss *bss; + struct wl_bss_info *bi; + struct wlc_ssid *ssid; + struct bcm_tlv *tim; + s32 beacon_interval; + s32 dtim_period; + size_t ie_len; + u8 *ie; + u8 *curbssid; + s32 err = 0; + struct wiphy *wiphy; + + wiphy = wl_to_wiphy(wl); + + 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)) { + WL_ERR(("Bssid doesn't match\n")); + err = -EIO; + goto update_bss_info_out; + } + err = wl_inform_single_bss(wl, bi); + if (unlikely(err)) + goto update_bss_info_out; + + ie = ((u8 *)bi) + bi->ie_offset; + ie_len = bi->ie_length; + beacon_interval = cpu_to_le16(bi->beacon_period); + } else { + WL_DBG(("Found the AP in the list - BSSID %pM\n", bss->bssid)); +#if defined(WL_CFG80211_P2P_DEV_IF) + ie = (u8 *)bss->ies->data; + ie_len = bss->ies->len; +#else + ie = bss->information_elements; + ie_len = bss->len_information_elements; +#endif /* WL_CFG80211_P2P_DEV_IF */ + beacon_interval = bss->beacon_interval; +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)) + cfg80211_put_bss(wiphy, bss); +#else + cfg80211_put_bss(bss); +#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0) */ + } + + tim = bcm_parse_tlvs(ie, ie_len, WLAN_EID_TIM); + if (tim) { + dtim_period = tim->data[1]; + } else { + /* + * active scan was done so we could not get dtim + * information out of probe response. + * so we speficially query dtim information. + */ + err = wldev_ioctl(ndev, WLC_GET_DTIMPRD, + &dtim_period, sizeof(dtim_period), false); + if (unlikely(err)) { + WL_ERR(("WLC_GET_DTIMPRD error (%d)\n", err)); + goto update_bss_info_out; + } + } + + wl_update_prof(wl, ndev, NULL, &beacon_interval, WL_PROF_BEACONINT); + wl_update_prof(wl, ndev, NULL, &dtim_period, WL_PROF_DTIMPERIOD); + +update_bss_info_out: + if (unlikely(err)) { + WL_ERR(("Failed with error %d\n", err)); + } + 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; +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS) + struct wl_bss_info *bss_info; + struct wiphy *wiphy = wl_to_wiphy(wl); + struct ieee80211_supported_band *band; + struct ieee80211_channel *notify_channel = NULL; + u8 *buf; + u16 channel; + u32 freq; +#endif /* LINUX_VERSION > 2.6.39 || WL_COMPAT_WIRELESS */ + + 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); + wl_update_pmklist(ndev, wl->pmk_list, err); + +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS) + /* channel info for cfg80211_roamed introduced in 2.6.39-rc1 */ + buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); + if (!buf) + goto done; + + *(__le32 *)buf = htod32(WL_EXTRA_BUF_MAX); + err = wldev_ioctl(ndev, WLC_GET_BSS_INFO, buf, WL_EXTRA_BUF_MAX, false); + if (err) + goto done; + + bss_info = (struct wl_bss_info *)(buf + 4); + channel = bss_info->ctl_ch ? bss_info->ctl_ch : + CHSPEC_CHANNEL(wl_chspec_driver_to_host(bss_info->chanspec)); + if (channel <= CH_MAX_2G_CHANNEL) + band = wiphy->bands[IEEE80211_BAND_2GHZ]; + else + band = wiphy->bands[IEEE80211_BAND_5GHZ]; + freq = ieee80211_channel_to_frequency(channel, band->band); + notify_channel = ieee80211_get_channel(wiphy, freq); +done: + kfree(buf); +#endif /* LINUX_VERSION > 2.6.39 || WL_COMPAT_WIRELESS */ + + printk("wl_bss_roaming_done succeeded to " MACDBG "\n", + MAC2STRDBG((u8*)(&e->addr))); + dhd_conf_set_wme((dhd_pub_t *)wl->pub); + + cfg80211_roamed(ndev, +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39)) || defined(WL_COMPAT_WIRELESS) + notify_channel, +#endif + curbssid, + conn_info->req_ie, conn_info->req_ie_len, + conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL); + WL_DBG(("Report roaming result\n")); + + wl_set_drv_status(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_cfg80211_scan_abort(wl); + 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); + wl_update_pmklist(ndev, wl->pmk_list, err); + wl_set_drv_status(wl, CONNECTED, ndev); + if (ndev != wl_to_prmry_ndev(wl)) { + /* reinitialize completion to clear previous count */ + INIT_COMPLETION(wl->iface_disable); + } + } + 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")); + dhd_conf_set_wme((dhd_pub_t *)wl->pub); + } else + WL_ERR(("Report connect result - connection failed\n")); + } + return err; +} + +static s32 +wl_notify_mic_status(struct wl_priv *wl, bcm_struct_cfgdev *cfgdev, + const wl_event_msg_t *e, void *data) +{ + struct net_device *ndev = NULL; + u16 flags = ntoh16(e->flags); + enum nl80211_key_type key_type; + + ndev = cfgdev_to_wlc_ndev(cfgdev, wl); + + 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, bcm_struct_cfgdev *cfgdev, + const wl_event_msg_t *e, void *data) +{ + struct net_device *ndev = NULL; + + WL_ERR((">>> PNO Event\n")); + + ndev = cfgdev_to_wlc_ndev(cfgdev, wl); + +#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, bcm_struct_cfgdev *cfgdev, + const wl_event_msg_t *e, void *data) +{ + struct channel_info channel_inform; + struct wl_scan_results *bss_list; + struct net_device *ndev = NULL; + u32 len = WL_SCAN_BUF_MAX; + s32 err = 0; + unsigned long flags; + + WL_DBG(("Enter \n")); + if (!wl_get_drv_status(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)); + + ndev = cfgdev_to_wlc_ndev(cfgdev, 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) +{ + if (wl_get_drv_status_all(wl, SENDING_ACT_FRM)) { + if (!(wl_get_p2p_status(wl, ACTION_TX_COMPLETED) || + wl_get_p2p_status(wl, ACTION_TX_NOACK))) + wl_set_p2p_status(wl, ACTION_TX_COMPLETED); + + WL_DBG(("*** Wake UP ** abort actframe iovar\n")); + /* if channel is not zero, "actfame" uses off channel scan. + * So abort scan for off channel completion. + */ + if (wl->af_sent_channel) + wl_cfg80211_scan_abort(wl); + } +#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_cfg80211_scan_abort(wl); + } +#endif /* WL_CFG80211_SYNC_GON */ +} + + +int wl_cfg80211_get_ioctl_version(void) +{ + return ioctl_version; +} + +static s32 +wl_notify_rx_mgmt_frame(struct wl_priv *wl, bcm_struct_cfgdev *cfgdev, + 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 *ndev = NULL; + wifi_p2p_pub_act_frame_t *act_frm = NULL; + wifi_p2p_action_frame_t *p2p_act_frm = NULL; + wifi_p2psd_gas_pub_act_frame_t *sd_act_frm = NULL; + wl_event_rx_frame_data_t *rxframe = + (wl_event_rx_frame_data_t*)data; + u32 event = ntoh32(e->event_type); + u8 *mgmt_frame; + u8 bsscfgidx = e->bsscfgidx; + u32 mgmt_frame_len = ntoh32(e->datalen) - sizeof(wl_event_rx_frame_data_t); + u16 channel = ((ntoh16(rxframe->channel) & WL_CHANSPEC_CHAN_MASK)); + + memset(&bssid, 0, ETHER_ADDR_LEN); + + ndev = cfgdev_to_wlc_ndev(cfgdev, wl); + + 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(ndev, "cur_etheraddr", + NULL, 0, wl->ioctl_buf, WLC_IOCTL_SMLEN, bsscfgidx, &wl->ioctl_buf_sync); + + err = wldev_ioctl(ndev, WLC_GET_BSSID, &bssid, ETHER_ADDR_LEN, false); + if (err < 0) + WL_ERR(("WLC_GET_BSSID error %d\n", err)); + memcpy(da.octet, 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(("Error in receiving action frame len %d channel %d freq %d\n", + mgmt_frame_len, channel, freq)); + goto exit; + } + isfree = true; + if (wl_cfgp2p_is_pub_action(&mgmt_frame[DOT11_MGMT_HDR_LEN], + mgmt_frame_len - DOT11_MGMT_HDR_LEN)) { + act_frm = (wifi_p2p_pub_act_frame_t *) + (&mgmt_frame[DOT11_MGMT_HDR_LEN]); + } else if (wl_cfgp2p_is_p2p_action(&mgmt_frame[DOT11_MGMT_HDR_LEN], + mgmt_frame_len - DOT11_MGMT_HDR_LEN)) { + p2p_act_frm = (wifi_p2p_action_frame_t *) + (&mgmt_frame[DOT11_MGMT_HDR_LEN]); + (void) p2p_act_frm; + } else if (wl_cfgp2p_is_gas_action(&mgmt_frame[DOT11_MGMT_HDR_LEN], + mgmt_frame_len - DOT11_MGMT_HDR_LEN)) { +#ifdef WL_SDO + if (wl_get_p2p_status(wl, DISC_IN_PROGRESS)) { + WL_ERR(("SD offload is in progress. Don't report the" + "frame via rx_mgmt path\n")); + goto exit; + } +#endif + + 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); + + /* Stop waiting for next AF. */ + wl_stop_wait_next_action_frame(wl); + } + } + (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 defined(WL_ENABLE_P2P_IF) + if (wl->p2p_net == cfgdev) + cfgdev = wl_to_prmry_ndev(wl); +#endif /* WL_ENABLE_P2P_IF */ + + if (wl->next_af_subtype != P2P_PAF_SUBTYPE_INVALID) { + u8 action = 0; + if (wl_get_public_action(&mgmt_frame[DOT11_MGMT_HDR_LEN], + mgmt_frame_len - DOT11_MGMT_HDR_LEN, &action) != BCME_OK) { + WL_DBG(("Recived action is not public action frame\n")); + } else if (wl->next_af_subtype == action) { + WL_DBG(("Recived action is the waiting action(%d)\n", + action)); + wl_clr_drv_status(wl, WAITING_NEXT_ACT_FRM, ndev); + + /* Stop waiting for next AF. */ + wl_stop_wait_next_action_frame(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); + + /* Stop waiting for next AF. */ + wl_stop_wait_next_action_frame(wl); + } + } + } + + wl_cfgp2p_print_actframe(false, &mgmt_frame[DOT11_MGMT_HDR_LEN], + mgmt_frame_len - DOT11_MGMT_HDR_LEN, channel); + /* + * After complete GO Negotiation, roll back to mpc mode + */ + if (act_frm && ((act_frm->subtype == P2P_PAF_GON_CONF) || + (act_frm->subtype == P2P_PAF_PROVDIS_RSP))) { + wldev_iovar_setint(ndev, "mpc", 1); + } + if (act_frm && (act_frm->subtype == P2P_PAF_GON_CONF)) { + WL_DBG(("P2P: GO_NEG_PHASE status cleared \n")); + wl_clr_p2p_status(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)) || defined(WL_COMPAT_WIRELESS) + cfg80211_rx_mgmt(cfgdev, freq, 0, mgmt_frame, mgmt_frame_len, GFP_ATOMIC); +#else + cfg80211_rx_mgmt(cfgdev, freq, mgmt_frame, mgmt_frame_len, GFP_ATOMIC); +#endif /* LINUX_VERSION >= VERSION(3, 4, 0) || WL_COMPAT_WIRELESS */ + + WL_DBG(("mgmt_frame_len (%d) , e->datalen (%d), channel (%d), freq (%d)\n", + mgmt_frame_len, ntoh32(e->datalen), channel, freq)); +exit: + if (isfree) + kfree(mgmt_frame); + return 0; +} + +#ifdef WL_SCHED_SCAN +/* If target scan is not reliable, set the below define to "1" to do a + * full escan + */ +#define FULL_ESCAN_ON_PFN_NET_FOUND 0 +static s32 +wl_notify_sched_scan_results(struct wl_priv *wl, struct net_device *ndev, + const wl_event_msg_t *e, void *data) +{ + wl_pfn_net_info_t *netinfo, *pnetinfo; + struct wiphy *wiphy = wl_to_wiphy(wl); + int err = 0; + struct cfg80211_scan_request *request = NULL; + struct cfg80211_ssid ssid[MAX_PFN_LIST_COUNT]; + struct ieee80211_channel *channel = NULL; + int channel_req = 0; + int band = 0; + struct wl_pfn_scanresults *pfn_result = (struct wl_pfn_scanresults *)data; + int n_pfn_results = pfn_result->count; + + WL_DBG(("Enter\n")); + + if (e->event_type == WLC_E_PFN_NET_LOST) { + WL_PNO(("PFN NET LOST event. Do Nothing \n")); + return 0; + } + WL_PNO((">>> PFN NET FOUND event. count:%d \n", n_pfn_results)); + if (n_pfn_results > 0) { + int i; + + if (n_pfn_results > MAX_PFN_LIST_COUNT) + n_pfn_results = MAX_PFN_LIST_COUNT; + pnetinfo = (wl_pfn_net_info_t *)(data + sizeof(wl_pfn_scanresults_t) + - sizeof(wl_pfn_net_info_t)); + + memset(&ssid, 0x00, sizeof(ssid)); + + request = kzalloc(sizeof(*request) + + sizeof(*request->channels) * n_pfn_results, + GFP_KERNEL); + channel = (struct ieee80211_channel *)kzalloc( + (sizeof(struct ieee80211_channel) * n_pfn_results), + GFP_KERNEL); + if (!request || !channel) { + WL_ERR(("No memory")); + err = -ENOMEM; + goto out_err; + } + + request->wiphy = wiphy; + + for (i = 0; i < n_pfn_results; i++) { + netinfo = &pnetinfo[i]; + if (!netinfo) { + WL_ERR(("Invalid netinfo ptr. index:%d", i)); + err = -EINVAL; + goto out_err; + } + WL_PNO((">>> SSID:%s Channel:%d \n", + netinfo->pfnsubnet.SSID, netinfo->pfnsubnet.channel)); + /* PFN result doesn't have all the info which are required by the supplicant + * (For e.g IEs) Do a target Escan so that sched scan results are reported + * via wl_inform_single_bss in the required format. Escan does require the + * scan request in the form of cfg80211_scan_request. For timebeing, create + * cfg80211_scan_request one out of the received PNO event. + */ + 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 (request) + kfree(request); + if (channel) + kfree(channel); + return err; +} +#endif /* WL_SCHED_SCAN */ + +static void wl_init_conf(struct wl_conf *conf) +{ + WL_DBG(("Enter \n")); + conf->frag_threshold = (u32)-1; + conf->rts_threshold = (u32)-1; + conf->retry_short = (u32)-1; + conf->retry_long = (u32)-1; + conf->tx_power = -1; +} + +static void wl_init_prof(struct 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; + wl->evt_handler[WLC_E_JOIN] = wl_notify_connect_status; + wl->evt_handler[WLC_E_START] = wl_notify_connect_status; +#ifdef PNO_SUPPORT + wl->evt_handler[WLC_E_PFN_NET_FOUND] = wl_notify_pfn_status; +#endif /* PNO_SUPPORT */ +#ifdef WL_SDO + wl->evt_handler[WLC_E_SERVICE_FOUND] = wl_svc_resp_handler; + wl->evt_handler[WLC_E_P2PO_ADD_DEVICE] = wl_notify_device_discovery; + wl->evt_handler[WLC_E_P2PO_DEL_DEVICE] = wl_notify_device_discovery; +#endif +#ifdef WLTDLS + wl->evt_handler[WLC_E_TDLS_PEER_EVENT] = wl_tdls_event_handler; +#endif /* WLTDLS */ +} + +#if defined(STATIC_WL_PRIV_STRUCT) +static void +wl_init_escan_result_buf(struct wl_priv *wl) +{ + wl->escan_info.escan_buf = dhd_os_prealloc(NULL, DHD_PREALLOC_WIPHY_ESCAN0, 0); + bzero(wl->escan_info.escan_buf, ESCAN_BUF_SIZE); +} + +static void +wl_deinit_escan_result_buf(struct wl_priv *wl) +{ + wl->escan_info.escan_buf = NULL; + +} +#endif /* STATIC_WL_PRIV_STRUCT */ + +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_init_escan_result_buf(wl); +#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_deinit_escan_result_buf(wl); +#endif /* STATIC_WL_PRIV_STRUCT */ + if (wl->afx_hdl) { + cancel_work_sync(&wl->afx_hdl->work); + kfree(wl->afx_hdl); + wl->afx_hdl = NULL; + } + + // terence 20140506: fix kernel panic when driver(.ko) is removing but the work not yet to canceled by kernel + if (wl->pm_enable_work_on) { + cancel_delayed_work_sync(&wl->pm_enable_work); + wl->pm_enable_work_on = false; + } + + 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; + + PROC_START(wl_event_handler, wl, &wl->event_tsk, 0, "wl_event_handler"); + 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(("was terminated\n")); + + return 0; +} + +static void wl_scan_timeout(unsigned long data) +{ + wl_event_msg_t msg; + 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 but no scan request\n")); + return; + } + bzero(&msg, sizeof(wl_event_msg_t)); + WL_ERR(("timer expired\n")); + if (wl->escan_on) { + msg.event_type = hton32(WLC_E_ESCAN_RESULT); + msg.status = hton32(WLC_E_STATUS_TIMEOUT); + msg.reason = 0xFFFFFFFF; + wl_cfg80211_event(wl_to_prmry_ndev(wl), &msg, NULL); + } else { + /* Need to check it try to access SDIO */ + WL_ERR(("SCAN Timeout(ISCAN)\n")); + wl_notify_iscan_complete(wl_to_iscan(wl), true); + } + // terence 20130729: workaround to fix out of memory in firmware + if (dhd_bus_chip_id(bcmsdh_get_drvdata()) == BCM43362_CHIP_ID) { + 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: + { + int max_wait_timeout = 2; + int max_wait_count = 100; + unsigned long limit = jiffies + max_wait_timeout * HZ; + while (work_pending(&wdev->cleanup_work)) { + if (refcnt%5 == 0) { + WL_ERR(("[NETDEV_DOWN] wait for " + "complete of cleanup_work" + " (%d th)\n", refcnt)); + } + if (!time_before(jiffies, limit)) { + WL_ERR(("[NETDEV_DOWN] cleanup_work" + " of CFG80211 is not" + " completed in %d sec\n", + max_wait_timeout)); + break; + } + if (refcnt >= max_wait_count) { + WL_ERR(("[NETDEV_DOWN] cleanup_work" + " of CFG80211 is not" + " completed in %d loop\n", + max_wait_count)); + break; + } + set_current_state(TASK_INTERRUPTIBLE); + 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 void wl_cfg80211_scan_abort(struct wl_priv *wl) +{ + wl_scan_params_t *params = NULL; + s32 params_size = 0; + s32 err = BCME_OK; + struct net_device *dev = wl_to_prmry_ndev(wl); + if (!in_atomic()) { + /* Our scan params only need space for 1 channel and 0 ssids */ + params = wl_cfg80211_scan_alloc_params(-1, 0, ¶ms_size); + if (params == NULL) { + WL_ERR(("scan params allocation failed \n")); + err = -ENOMEM; + } else { + /* Do a scan abort to stop the driver's scan engine */ + err = wldev_ioctl(dev, WLC_SCAN, params, params_size, true); + if (err < 0) { + WL_ERR(("scan abort failed \n")); + } + kfree(params); + } + } +} + +static s32 wl_notify_escan_complete(struct wl_priv *wl, + struct net_device *ndev, + bool aborted, bool fw_abort) +{ + s32 err = BCME_OK; + unsigned long flags; + struct net_device *dev; + + WL_DBG(("Enter \n")); + if (!ndev) { + WL_ERR(("ndev is null\n")); + err = BCME_ERROR; + return err; + } + + if (wl->escan_info.ndev != ndev) { + WL_ERR(("ndev is different %p %p\n", wl->escan_info.ndev, ndev)); + err = BCME_ERROR; + return err; + } + + if (wl->scan_request) { + dev = wl_to_prmry_ndev(wl); +#if defined(WL_ENABLE_P2P_IF) + if (wl->scan_request->dev != wl->p2p_net) + dev = wl->scan_request->dev; +#endif /* WL_ENABLE_P2P_IF */ + } + else { + WL_DBG(("wl->scan_request is NULL may be internal scan." + "doing scan_abort for ndev %p primary %p", + ndev, wl_to_prmry_ndev(wl))); + dev = ndev; + } + if (fw_abort && !in_atomic()) { + wl_cfg80211_scan_abort(wl); + } + + 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_escan_get_buf(wl, aborted); + 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_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); +#ifdef WL_SDO + if (wl_get_p2p_status(wl, DISC_IN_PROGRESS) && !in_atomic()) { + wl_cfg80211_resume_sdo(ndev, wl); + } +#endif + return err; +} + +static s32 wl_escan_handler(struct wl_priv *wl, bcm_struct_cfgdev *cfgdev, + const wl_event_msg_t *e, void *data) +{ + s32 err = BCME_OK; + s32 status = ntoh32(e->status); + wl_bss_info_t *bi; + wl_escan_result_t *escan_result; + wl_bss_info_t *bss = NULL; + wl_scan_results_t *list; + wifi_p2p_ie_t * p2p_ie; + struct net_device *ndev = NULL; + u32 bi_length; + u32 i; + u8 *p2p_dev_addr = NULL; + 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))); + + ndev = cfgdev_to_wlc_ndev(cfgdev, wl); + + 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 e_type %d e_states %d\n", + ndev, wl->escan_on, wl_get_drv_status(wl, SCANNING, ndev), + ntoh32(e->event_type), ntoh32(e->status))); + goto exit; + } + escan_result = (wl_escan_result_t *)data; + + if (status == WLC_E_STATUS_PARTIAL) { + WL_INFO(("WLC_E_STATUS_PARTIAL \n")); + if (!escan_result) { + WL_ERR(("Invalid escan result (NULL pointer)\n")); + goto exit; + } + if (dtoh16(escan_result->bss_count) != 1) { + WL_ERR(("Invalid bss_count %d: ignoring\n", escan_result->bss_count)); + goto exit; + } + bi = escan_result->bss_info; + if (!bi) { + WL_ERR(("Invalid escan bss info (NULL pointer)\n")); + goto exit; + } + bi_length = dtoh32(bi->length); + if (bi_length != (dtoh32(escan_result->buflen) - WL_ESCAN_RESULTS_FIXED_SIZE)) { + WL_ERR(("Invalid bss_info length %d: ignoring\n", bi_length)); + goto exit; + } + + /* +++++ 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; + } + if (!dhd_conf_match_channel((dhd_pub_t *)wl->pub, channel)) + goto exit; + /* ----- terence 20130524: skip invalid bss */ + + if (wl_escan_check_sync_id(status, escan_result->sync_id, + wl->escan_info.cur_sync_id) < 0) + goto exit; + + 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 = wf_chspec_ctlchan( + wl_chspec_driver_to_host(bi->chanspec)); + + if ((channel > MAXCHANNEL) || (channel <= 0)) + channel = WL_INVALID; + else + WL_ERR(("ACTION FRAME SCAN : Peer " MACDBG " found," + " channel : %d\n", + MAC2STRDBG(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 = WL_SCAN_RESULTS_FIXED_SIZE; + list = wl_escan_get_buf(wl, FALSE); + if (scan_req_match(wl)) { +#ifdef WL_HOST_BAND_MGMT + s32 channel = 0; + s32 channel_band = 0; +#endif /* WL_HOST_BAND_MGMT */ + /* p2p scan && allow only probe response */ + if ((wl->p2p->search_state != WL_P2P_DISC_ST_SCAN) && + (bi->flags & WL_BSS_FLAGS_FROM_BEACON)) + goto exit; + if ((p2p_ie = wl_cfgp2p_find_p2pie(((u8 *) bi) + bi->ie_offset, + bi->ie_length)) == NULL) { + WL_ERR(("Couldn't find P2PIE in probe" + " response/beacon\n")); + goto exit; + } +#ifdef WL_HOST_BAND_MGMT + 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 */ + } + WL_SCAN(("%s("MACDBG") RSSI %d flags 0x%x length %d\n", bi->SSID, + MAC2STRDBG(bi->BSSID.octet), bi->RSSI, bi->flags, bi->length)); + for (i = 0; i < list->count; i++) { + bss = bss ? (wl_bss_info_t *)((uintptr)bss + dtoh32(bss->length)) + : list->bss_info; + + if (!bcmp(&bi->BSSID, &bss->BSSID, ETHER_ADDR_LEN) && + (CHSPEC_BAND(wl_chspec_driver_to_host(bi->chanspec)) + == CHSPEC_BAND(wl_chspec_driver_to_host(bss->chanspec))) && + bi->SSID_len == bss->SSID_len && + !bcmp(bi->SSID, bss->SSID, bi->SSID_len)) { + + /* do not allow beacon data to update + *the data recd from a probe response + */ + if (!(bss->flags & WL_BSS_FLAGS_FROM_BEACON) && + (bi->flags & WL_BSS_FLAGS_FROM_BEACON)) + goto exit; + + WL_SCAN(("%s("MACDBG"), i=%d prev: RSSI %d" + " flags 0x%x, new: RSSI %d flags 0x%x\n", + bss->SSID, MAC2STRDBG(bi->BSSID.octet), i, + bss->RSSI, bss->flags, bi->RSSI, bi->flags)); + + if ((bss->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL) == + (bi->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL)) { + /* preserve max RSSI if the measurements are + * both on-channel or both off-channel + */ + WL_SCAN(("%s("MACDBG"), same onchan" + ", RSSI: prev %d new %d\n", + bss->SSID, MAC2STRDBG(bi->BSSID.octet), + bss->RSSI, bi->RSSI)); + bi->RSSI = MAX(bss->RSSI, bi->RSSI); + } else if ((bss->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL) && + (bi->flags & WL_BSS_FLAGS_RSSI_ONCHANNEL) == 0) { + /* preserve the on-channel rssi measurement + * if the new measurement is off channel + */ + WL_SCAN(("%s("MACDBG"), prev onchan" + ", RSSI: prev %d new %d\n", + bss->SSID, MAC2STRDBG(bi->BSSID.octet), + bss->RSSI, bi->RSSI)); + bi->RSSI = bss->RSSI; + bi->flags |= WL_BSS_FLAGS_RSSI_ONCHANNEL; + } + if (dtoh32(bss->length) != bi_length) { + u32 prev_len = dtoh32(bss->length); + + WL_SCAN(("bss info replacement" + " is occured(bcast:%d->probresp%d)\n", + bss->ie_length, bi->ie_length)); + WL_SCAN(("%s("MACDBG"), replacement!(%d -> %d)\n", + bss->SSID, MAC2STRDBG(bi->BSSID.octet), + prev_len, bi_length)); + + if (list->buflen - prev_len + bi_length + > ESCAN_BUF_SIZE) { + WL_ERR(("Buffer is too small: keep the" + " previous result of this AP\n")); + /* Only update RSSI */ + bss->RSSI = bi->RSSI; + bss->flags |= (bi->flags + & WL_BSS_FLAGS_RSSI_ONCHANNEL); + goto exit; + } + + if (i < list->count - 1) { + /* memory copy required by this case only */ + memmove((u8 *)bss + bi_length, + (u8 *)bss + prev_len, + list->buflen - cur_len - prev_len); + } + list->buflen -= prev_len; + list->buflen += bi_length; + } + list->version = dtoh32(bi->version); + memcpy((u8 *)bss, (u8 *)bi, bi_length); + goto exit; + } + cur_len += dtoh32(bss->length); + } + if (bi_length > ESCAN_BUF_SIZE - list->buflen) { + 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(&(((char *)list)[list->buflen]), bi, bi_length); + list->version = dtoh32(bi->version); + list->buflen += bi_length; + list->count++; + + } + + } + else if (status == WLC_E_STATUS_SUCCESS) { + wl->escan_info.escan_state = WL_ESCAN_STATE_IDLE; + wl_escan_print_sync_id(status, wl->escan_info.cur_sync_id, + escan_result->sync_id); + + 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_escan_get_buf(wl, FALSE); + if (!scan_req_match(wl)) { + WL_TRACE_HW4(("SCAN COMPLETED: scanned AP count=%d\n", + wl->bss_list->count)); + } + wl_inform_bss(wl); + wl_notify_escan_complete(wl, ndev, false, false); + } + wl_escan_increment_sync_id(wl, SCAN_BUF_NEXT); + } + else if (status == WLC_E_STATUS_ABORT) { + wl->escan_info.escan_state = WL_ESCAN_STATE_IDLE; + wl_escan_print_sync_id(status, escan_result->sync_id, + wl->escan_info.cur_sync_id); + 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_escan_get_buf(wl, TRUE); + if (!scan_req_match(wl)) { + WL_TRACE_HW4(("SCAN ABORTED: scanned AP count=%d\n", + wl->bss_list->count)); + } + wl_inform_bss(wl); + wl_notify_escan_complete(wl, ndev, true, false); + } + wl_escan_increment_sync_id(wl, SCAN_BUF_CNT); + } else if (status == WLC_E_STATUS_NEWSCAN) { + 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 if (status == WLC_E_STATUS_TIMEOUT) { + WL_ERR(("WLC_E_STATUS_TIMEOUT : scan_request[%p]\n", wl->scan_request)); + WL_ERR(("escan_on[%d], reason[0x%x]\n", wl->escan_on, e->reason)); + if (e->reason == 0xFFFFFFFF) { + wl_notify_escan_complete(wl, wl->escan_info.ndev, true, true); + } + } else { + WL_ERR(("unexpected Escan Event %d : abort\n", status)); + wl->escan_info.escan_state = WL_ESCAN_STATE_IDLE; + wl_escan_print_sync_id(status, escan_result->sync_id, + wl->escan_info.cur_sync_id); + 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_escan_get_buf(wl, TRUE); + if (!scan_req_match(wl)) { + WL_TRACE_HW4(("SCAN ABORTED(UNEXPECTED): " + "scanned AP count=%d\n", + wl->bss_list->count)); + } + wl_inform_bss(wl); + wl_notify_escan_complete(wl, ndev, true, false); + } + wl_escan_increment_sync_id(wl, 2); + } +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 ctl_chan = 0; + u32 chanspec = 0; + u32 pre_ctl_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; + ctl_chan = 0; + if (wl_get_drv_status(wl, CONNECTED, iter->ndev)) { + if (wldev_iovar_getint(iter->ndev, "chanspec", + (s32 *)&chanspec) == BCME_OK) { + chanspec = wl_chspec_driver_to_host(chanspec); + ctl_chan = wf_chspec_ctlchan(chanspec); + wl_update_prof(wl, iter->ndev, NULL, + &ctl_chan, WL_PROF_CHAN); + } + if (!wl->vsdb_mode) { + if (!pre_ctl_chan && ctl_chan) + pre_ctl_chan = ctl_chan; + else if (pre_ctl_chan && (pre_ctl_chan != ctl_chan)) { + wl->vsdb_mode = true; + } + } + } + } + printk("%s concurrency is enabled\n", wl->vsdb_mode ? "Multi Channel" : "Same Channel"); + 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 mode; + 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; + mode = wl_get_mode_by_netdev(wl, _net_info->ndev); + if (set) { + wl_cfg80211_concurrent_roam(wl, 1); + + if (mode == WL_MODE_AP) { + + if (wl_add_remove_eventmsg(primary_dev, WLC_E_P2P_PROBREQ_MSG, false)) + WL_ERR((" failed to unset WLC_E_P2P_PROPREQ_MSG\n")); + } + wl_cfg80211_determine_vsdb_mode(wl); + if (wl->vsdb_mode || _net_info->pm_block) { + if (wl->pm_enable_work_on) { + cancel_delayed_work_sync(&wl->pm_enable_work); + wl->pm_enable_work_on = false; + } + /* save PM_FAST in _net_info to restore this + * if _net_info->pm_block is false + */ + if (!_net_info->pm_block && (mode == WL_MODE_BSS)) { + _net_info->pm = PM_FAST; + _net_info->pm_restore = true; + } + pm = PM_OFF; + for_each_ndev(wl, iter, next) { + if (iter->pm_restore) + continue; + /* Save the current power mode */ + err = wldev_ioctl(iter->ndev, WLC_GET_PM, &iter->pm, + sizeof(iter->pm), false); + WL_DBG(("%s:power save %s\n", iter->ndev->name, + iter->pm ? "enabled" : "disabled")); + if (!err && iter->pm) { + iter->pm_restore = true; + } + + } + for_each_ndev(wl, iter, next) { + if ((err = wldev_ioctl(iter->ndev, WLC_SET_PM, &pm, + sizeof(pm), true)) != 0) { + if (err == -ENODEV) + WL_DBG(("%s:netdev not ready\n", iter->ndev->name)); + else + WL_ERR(("%s:error (%d)\n", iter->ndev->name, err)); + } else + iter->ndev->ieee80211_ptr->ps = false; + } + } else { + /* add PM Enable timer to go to power save mode + * if supplicant control pm mode, it will be cleared or + * updated by wl_cfg80211_set_power_mgmt() if not - for static IP & HW4 P2P, + * PM will be configured when timer expired + */ + + /* + * before calling pm_enable_timer, we need to set PM -1 for all ndev + */ + pm = PM_OFF; + + for_each_ndev(wl, iter, next) { + if ((err = wldev_ioctl(iter->ndev, WLC_SET_PM, &pm, + sizeof(pm), true)) != 0) { + if (err == -ENODEV) + WL_DBG(("%s:netdev not ready\n", iter->ndev->name)); + else + WL_ERR(("%s:error (%d)\n", iter->ndev->name, err)); + } + } + wl->pm_enable_work_on = true; + schedule_delayed_work(&wl->pm_enable_work, + msecs_to_jiffies(WL_PM_ENABLE_TIMEOUT)); + } + } + 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 && iter->pm) { + WL_DBG(("%s:restoring power save %s\n", + iter->ndev->name, (iter->pm ? "enabled" : "disabled"))); + err = wldev_ioctl(iter->ndev, + WLC_SET_PM, &iter->pm, sizeof(iter->pm), true); + if (unlikely(err)) { + if (err == -ENODEV) + WL_DBG(("%s:netdev not ready\n", iter->ndev->name)); + else + WL_ERR(("%s:error(%d)\n", iter->ndev->name, err)); + break; + } + iter->pm_restore = 0; + iter->ndev->ieee80211_ptr->ps = true; + } + } + 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; + wl_escan_init_sync_id(wl); + } + /* 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(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(("P2P attach failed. \n")); + return -ENODEV; + } + + return 0; +} + +static s32 wl_cfg80211_detach_p2p(void) +{ + struct wl_priv *wl = wlcfg_drv_priv; + struct wireless_dev *wdev; + + WL_DBG(("Enter \n")); + if (!wl) { + WL_ERR(("Invalid Ptr\n")); + return -EINVAL; + } else + wdev = wl->p2p_wdev; + + if (!wdev) { + 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 /* 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 /* !WL_ENABLE_P2P_IF */ + if ((err = wl_cfgp2p_init_priv(wl)) != 0) + goto fail; + +#if 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 /* 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, data); + 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; + } +#ifdef DEBUGFS_CFG80211 + err = wl_setup_debugfs(wl); + if (err) { + WL_ERR(("Failed to setup debugfs %d\n", err)); + goto cfg80211_attach_out; + } +#endif + 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) + err = wl_cfg80211_btcoex_init(wl); + if (err) + goto cfg80211_attach_out; +#endif + + wlcfg_drv_priv = wl; + +#if defined(WL_ENABLE_P2P_IF) + err = wl_cfg80211_attach_p2p(); + if (err) + goto cfg80211_attach_out; +#endif /* WL_ENABLE_P2P_IF */ + + return err; + +cfg80211_attach_out: + 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); +#ifdef DEBUGFS_CFG80211 + wl_free_debugfs(wl); +#endif + 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(WL_CFG80211_P2P_DEV_IF) + wl_cfgp2p_del_p2p_disc_if(wl->p2p_wdev); +#elif defined(WL_ENABLE_P2P_IF) + wl_cfg80211_detach_p2p(); +#endif /* WL_CFG80211_P2P_DEV_IF */ + + wl_cfg80211_ibss_vsie_free(wl); + 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); + } +} + +#if (defined(WL_CFG80211_P2P_DEV_IF) || defined(WL_ENABLE_P2P_IF)) +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(%d) on virtual interface(ifidx:%d)\n", + e->etype, 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(%d) on interface(ifidx:%d)\n", + e->etype, e->emsg.ifidx)); + return TRUE; + } + break; + + default: + WL_TRACE(("NON-P2P event(%d) on interface(ifidx:%d)\n", + e->etype, e->emsg.ifidx)); + return FALSE; + } +} +#endif /* BCMDONGLEHOST && (WL_CFG80211_P2P_DEV_IF || WL_ENABLE_P2P_IF) */ + +static s32 wl_event_handler(void *data) +{ + struct wl_priv *wl = NULL; + struct wl_event_q *e; + tsk_ctl_t *tsk = (tsk_ctl_t *)data; + bcm_struct_cfgdev *cfgdev = NULL; + + wl = (struct wl_priv *)tsk->parent; + + printk("tsk Enter, tsk = 0x%08x\n", (unsigned int)tsk); + + 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 defined(WL_CFG80211_P2P_DEV_IF) + if ((wl_is_p2p_event(e) == TRUE) && (wl->p2p_wdev)) { + cfgdev = wl_to_p2p_wdev(wl); + } else { + cfgdev = ndev_to_wdev(dhd_idx2net((struct dhd_pub *)(wl->pub), + e->emsg.ifidx)); + } +#elif defined(WL_ENABLE_P2P_IF) + if ((wl_is_p2p_event(e) == TRUE) && (wl->p2p_net)) { + cfgdev = wl->p2p_net; + } else { + cfgdev = dhd_idx2net((struct dhd_pub *)(wl->pub), + e->emsg.ifidx); + } +#endif /* WL_CFG80211_P2P_DEV_IF */ + + if (!cfgdev) { +#if defined(WL_CFG80211_P2P_DEV_IF) + cfgdev = wl_to_prmry_wdev(wl); +#else + cfgdev = wl_to_prmry_ndev(wl); +#endif /* WL_CFG80211_P2P_DEV_IF */ + } + if (e->etype < WLC_E_LAST && wl->evt_handler[e->etype]) { + wl->evt_handler[e->etype] (wl, cfgdev, &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(("was terminated\n")); + complete_and_exit(&tsk->completed, 0); + return 0; +} + +void +wl_cfg80211_event(struct net_device *ndev, const wl_event_msg_t * e, void *data) +{ + u32 event_type = ntoh32(e->event_type); + struct 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; + bool dfs_radar_disabled = FALSE; + +#define LOCAL_BUF_LEN 1024 + pbuf = kzalloc(LOCAL_BUF_LEN, GFP_KERNEL); + + if (pbuf == NULL) { + WL_ERR(("failed to allocate local buf\n")); + return -ENOMEM; + } + list = (wl_uint32_list_t *)(void *)pbuf; + list->count = htod32(WL_NUMCHANSPECS); + + + err = wldev_iovar_getbuf_bsscfg(dev, "chanspecs", NULL, + 0, pbuf, LOCAL_BUF_LEN, 0, &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 (!dhd_conf_match_channel((dhd_pub_t *)wl->pub, channel)) + continue; + 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 (!dfs_radar_disabled) { + if (band == IEEE80211_BAND_2GHZ) + channel |= WL_CHANSPEC_BAND_2G; + else + channel |= WL_CHANSPEC_BAND_5G; + channel |= WL_CHANSPEC_BW_20; + channel = wl_chspec_host_to_driver(channel); + err = wldev_iovar_getint(dev, "per_chan_info", &channel); + if (!err) { + if (channel & WL_CHAN_RADAR) + 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; + } else if (err == BCME_UNSUPPORTED) { + dfs_radar_disabled = TRUE; + WL_ERR(("does not support per_chan_info\n")); + } + } + } + if (!update) + (*n_cnt)++; + } + + } + __wl_band_2ghz.n_channels = n_2g; + __wl_band_5ghz_a.n_channels = n_5g; + kfree(pbuf); + return err; +} + +s32 wl_update_wiphybands(struct 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; + } + 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; + } + wiphy = wl_to_wiphy(wl); + nband = bandlist[0]; + + for (i = 1; i <= nband && i < ARRAYSIZE(bandlist); i++) { + index = -1; + if (bandlist[i] == WLC_BAND_5G && __wl_band_5ghz_a.n_channels > 0) { + bands[IEEE80211_BAND_5GHZ] = + &__wl_band_5ghz_a; + index = IEEE80211_BAND_5GHZ; + if (bw_cap == WLC_N_BW_40ALL || bw_cap == WLC_N_BW_20IN2G_40IN5G) + bands[index]->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; + } + else if (bandlist[i] == WLC_BAND_2G && __wl_band_2ghz.n_channels > 0) { + bands[IEEE80211_BAND_2GHZ] = + &__wl_band_2ghz; + index = IEEE80211_BAND_2GHZ; + if (bw_cap == WLC_N_BW_40ALL) + bands[index]->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; + } + + if ((index >= 0) && nmode) { + bands[index]->ht_cap.cap |= + (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_DSSSCCK40); + bands[index]->ht_cap.ht_supported = TRUE; + bands[index]->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; + bands[index]->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; + /* An HT shall support all EQM rates for one spatial stream */ + bands[index]->ht_cap.mcs.rx_mask[0] = 0xff; + } + + } + + wiphy->bands[IEEE80211_BAND_2GHZ] = bands[IEEE80211_BAND_2GHZ]; + wiphy->bands[IEEE80211_BAND_5GHZ] = bands[IEEE80211_BAND_5GHZ]; + + /* check if any bands populated otherwise makes 2Ghz as default */ + if (wiphy->bands[IEEE80211_BAND_2GHZ] == NULL && + wiphy->bands[IEEE80211_BAND_5GHZ] == NULL) { + /* Setup 2Ghz band as default */ + wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; + } + + if (notify) + wiphy_apply_custom_regulatory(wiphy, &brcm_regdom); + +end_bands: + if (rollback_lock) + mutex_unlock(&wl->usr_sync); + return err; +} + +static s32 __wl_cfg80211_up(struct wl_priv *wl) +{ + s32 err = 0; +#ifdef WL_HOST_BAND_MGMT + s32 ret = 0; +#endif /* WL_HOST_BAND_MGMT */ + 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 ((ret = wl_cfg80211_set_band(ndev, WLC_BAND_AUTO)) < 0) { + if (ret == BCME_UNSUPPORTED) { + /* Don't fail the initialization, lets just + * fall back to the original method + */ + WL_ERR(("WL_HOST_BAND_MGMT defined, " + "but roam_band iovar not supported \n")); + } else { + WL_ERR(("roam_band failed. ret=%d", ret)); + err = -1; + } + } +#endif /* WL_HOST_BAND_MGMT */ + +#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 */ + INIT_DELAYED_WORK(&wl->pm_enable_work, wl_cfg80211_work_handler); + 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); +#if defined(WL_CFG80211) && defined(WL_ENABLE_P2P_IF) +// struct net_device *p2p_net = wl->p2p_net; +#endif /* WL_CFG80211 && WL_ENABLE_P2P_IF */ + u32 bssidx = 0; +#ifdef PROP_TXSTATUS_VSDB + dhd_pub_t *dhd = (dhd_pub_t *)(wl->pub); +#endif /* PROP_TXSTATUS_VSDB */ + WL_DBG(("In\n")); + if (wl->pm_enable_work_on) { + cancel_delayed_work_sync(&wl->pm_enable_work); + wl->pm_enable_work_on = false; + } + + if (wl->p2p_supported) { + wl_clr_p2p_status(wl, GO_NEG_PHASE); +#ifdef PROP_TXSTATUS_VSDB + if (wl->p2p->vif_created) { + if (dhd->wlfc_enabled && wl->wlfc_on) { + dhd->wlfc_enabled = false; + dhd_wlfc_deinit(dhd); + if (dhd->plat_deinit) + dhd->plat_deinit((void *)dhd); + wl->wlfc_on = false; + } + } +#endif /* PROP_TXSTATUS_VSDB */ + } + +#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 primary BSS is operational (for e.g SoftAP), bring it down */ + if (!(wl_cfgp2p_find_idx(wl, ndev, &bssidx)) && + 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); + +#ifdef WL_SDO + wl_cfg80211_sdo_deinit(wl); +#endif + + 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 defined(WL_CFG80211) && defined(WL_ENABLE_P2P_IF) +// if (p2p_net) // terence 20131219: don't close p2p0 or p2p0 never go back anymore +// dev_close(p2p_net); +#endif /* WL_CFG80211 && WL_ENABLE_P2P_IF */ + 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; + } +#if defined(BCMSUP_4WAY_HANDSHAKE) && defined(WLAN_AKM_SUITE_FT_8021X) + if (dhd->fw_4way_handshake) + wl->wdev->wiphy->features |= NL80211_FEATURE_FW_4WAY_HANDSHAKE; +#endif + 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); +#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); +#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; + break; + 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 void wl_update_hidden_ap_ie(struct wl_bss_info *bi, u8 *ie_stream, u32 *ie_size) +{ + u8 *ssidie; + ssidie = (u8 *)cfg80211_find_ie(WLAN_EID_SSID, ie_stream, *ie_size); + if (!ssidie) + return; + if (ssidie[1] != bi->SSID_len) { + if (ssidie[1]) { + WL_ERR(("%s: Wrong SSID len: %d != %d\n", + __FUNCTION__, ssidie[1], bi->SSID_len)); + return; + } + memmove(ssidie + bi->SSID_len + 2, ssidie + 2, *ie_size - (ssidie + 2 - ie_stream)); + memcpy(ssidie + 2, bi->SSID, bi->SSID_len); + *ie_size = *ie_size + bi->SSID_len; + ssidie[1] = bi->SSID_len; + return; + } + if (*(ssidie + 2) == '\0') + memcpy(ssidie + 2, bi->SSID, bi->SSID_len); + return; +} + +static s32 wl_mrg_ie(struct 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))) { + OSL_DELAY(ms*1000); + } else { + OSL_SLEEP(ms); + } +} + +s32 wl_cfg80211_get_p2p_dev_addr(struct net_device *net, struct ether_addr *p2pdev_addr) +{ + struct 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; +} + +#ifdef WL_SDO +#define MAX_QR_LEN NLMSG_GOODSIZE + +typedef struct wl_cfg80211_dev_info { + u16 band; + u16 freq; + s16 rssi; + u16 ie_len; + u8 bssid[ETH_ALEN]; +} wl_cfg80211_dev_info_t; + +static s32 +wl_notify_device_discovery(struct wl_priv *wl, bcm_struct_cfgdev *cfgdev, + const wl_event_msg_t *e, void *data) +{ + int err = 0; + u32 event = ntoh32(e->event_type); + wl_cfg80211_dev_info_t info; + struct wl_bss_info *bi = NULL; + struct net_device *ndev = NULL; + u8 *buf = NULL; + u32 buflen = 0; + u16 channel = 0; + wl_escan_result_t *escan_result; + + WL_SD(("Enter. type:%d \n", event)); + + if ((event != WLC_E_P2PO_ADD_DEVICE) && (event != WLC_E_P2PO_DEL_DEVICE)) { + WL_ERR(("Unknown Event\n")); + return -EINVAL; + } + + ndev = cfgdev_to_wlc_ndev(cfgdev, wl); + + mutex_lock(&wl->usr_sync); + if (event == WLC_E_P2PO_DEL_DEVICE) { + WL_SD(("DEV_LOST MAC:"MACDBG" \n", MAC2STRDBG(e->addr.octet))); + err = wl_genl_send_msg(ndev, event, (u8 *)e->addr.octet, ETH_ALEN, 0, 0); + } else { + + escan_result = (wl_escan_result_t *) data; + + if (dtoh16(escan_result->bss_count) != 1) { + WL_ERR(("Invalid bss_count %d: ignoring\n", escan_result->bss_count)); + err = -EINVAL; + goto exit; + } + + bi = escan_result->bss_info; + buflen = dtoh32(bi->length); + if (unlikely(buflen > WL_BSS_INFO_MAX)) { + WL_DBG(("Beacon is larger than buffer. Discarding\n")); + err = -EINVAL; + goto exit; + } + + /* Update sub-header */ + bzero(&info, sizeof(wl_cfg80211_dev_info_t)); + channel = bi->ctl_ch ? bi->ctl_ch : + CHSPEC_CHANNEL(wl_chspec_driver_to_host(bi->chanspec)); + info.freq = wl_cfg80211_channel_to_freq(channel); + info.rssi = dtoh16(bi->RSSI); +#if defined(RSSIOFFSET) + info.rssi = wl_update_rssi_offset(info.rssi); +#endif + memcpy(info.bssid, &bi->BSSID, ETH_ALEN); + info.ie_len = buflen; + + WL_SD(("DEV_FOUND band:%x Freq:%d rssi:%x "MACDBG" \n", + info.band, info.freq, info.rssi, MAC2STRDBG(info.bssid))); + + buf = ((u8 *) bi) + bi->ie_offset; + err = wl_genl_send_msg(ndev, event, buf, + buflen, (u8 *)&info, sizeof(wl_cfg80211_dev_info_t)); + } +exit: + mutex_unlock(&wl->usr_sync); + return err; +} + +s32 +wl_cfg80211_sdo_init(struct wl_priv *wl) +{ + u16 kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL; + + if (wl->sdo) { + WL_SD(("SDO already initialized\n")); + return 0; + } + + wl->sdo = kzalloc(sizeof(sd_offload_t), kflags); + if (!wl->sdo) { + WL_ERR(("malloc failed for SDO \n")); + return -ENOMEM; + } + + return 0; +} + +s32 +wl_cfg80211_sdo_deinit(struct wl_priv *wl) +{ + s32 bssidx; + int ret = 0; + int sdo_pause = 0; + if (!wl || !wl->p2p) { + WL_ERR(("Wl %p or wl->p2p %p is null\n", + wl, wl ? wl->p2p : 0)); + return 0; + } + + bssidx = wl_to_p2p_bss_bssidx(wl, P2PAPI_BSSCFG_DEVICE); + if (!wl->sdo) { + WL_DBG(("SDO Not Initialized. Do nothing. \n")); + return 0; + } + if (wl->sdo->dd_state && + (ret = wldev_iovar_setbuf_bsscfg(wl_to_prmry_ndev(wl), + "p2po_stop", (void*)&sdo_pause, sizeof(sdo_pause), + wl->ioctl_buf, WLC_IOCTL_SMLEN, bssidx, NULL)) < 0) { + WL_ERR(("p2po_stop Failed :%d\n", ret)); + } + kfree(wl->sdo); + wl->sdo = NULL; + + WL_SD(("SDO Deinit Done \n")); + + return 0; +} + +s32 +wl_cfg80211_resume_sdo(struct net_device *dev, struct wl_priv *wl) +{ + wl_sd_listen_t sd_listen; + int ret = 0; + s32 bssidx = wl_to_p2p_bss_bssidx(wl, P2PAPI_BSSCFG_DEVICE); + + WL_DBG(("Enter\n")); + + if (!wl->sdo) { + return -EINVAL; + } + + if (dev == NULL) + dev = wl_to_prmry_ndev(wl); + + /* Disable back the ESCAN events for the offload */ + wl_add_remove_eventmsg(dev, WLC_E_ESCAN_RESULT, false); + + /* Resume according to the saved state */ + if (wl->sdo->dd_state == WL_DD_STATE_SEARCH) { + if ((ret = wldev_iovar_setbuf_bsscfg(dev, "p2po_find", NULL, 0, + wl->ioctl_buf, WLC_IOCTL_SMLEN, bssidx, NULL)) < 0) { + WL_ERR(("p2po_find Failed :%d\n", ret)); + } + } else if (wl->sdo->dd_state == WL_DD_STATE_LISTEN) { + sd_listen.interval = wl->sdo->sd_listen.interval; + sd_listen.period = wl->sdo->sd_listen.period; + + if ((ret = wldev_iovar_setbuf_bsscfg(dev, "p2po_listen", (void*)&sd_listen, + sizeof(wl_sd_listen_t), wl->ioctl_buf, WLC_IOCTL_SMLEN, + bssidx, NULL)) < 0) { + WL_ERR(("p2po_listen Failed :%d\n", ret)); + } + + } + + /* p2po_stop clears of the eventmask for GAS. Set it back */ + wl_add_remove_eventmsg(dev, WLC_E_SERVICE_FOUND, true); + wl_add_remove_eventmsg(dev, WLC_E_GAS_FRAGMENT_RX, true); + wl_add_remove_eventmsg(dev, WLC_E_GAS_COMPLETE, true); + + WL_SD(("SDO Resumed \n")); + + return ret; +} + +s32 wl_cfg80211_pause_sdo(struct net_device *dev, struct wl_priv *wl) +{ + + int ret = 0; + s32 bssidx = wl_to_p2p_bss_bssidx(wl, P2PAPI_BSSCFG_DEVICE); + int sdo_pause = 1; + + WL_DBG(("Enter \n")); + + if (!wl->sdo) { + WL_ERR(("SDO not initialized \n")); + return -EINVAL; + } + + if (dev == NULL) + dev = wl_to_prmry_ndev(wl); + + if ((ret = wldev_iovar_setbuf_bsscfg(dev, "p2po_stop", + (void*)&sdo_pause, sizeof(sdo_pause), + wl->ioctl_buf, WLC_IOCTL_SMLEN, bssidx, &wl->ioctl_buf_sync)) < 0) { + WL_ERR(("p2po_stop Failed :%d\n", ret)); + } + + /* Enable back the ESCAN events for the SCAN */ + wl_add_remove_eventmsg(dev, WLC_E_ESCAN_RESULT, true); + + WL_SD(("SDO Paused \n")); + + return ret; +} + +static s32 +wl_svc_resp_handler(struct wl_priv *wl, bcm_struct_cfgdev *cfgdev, + const wl_event_msg_t *e, void *data) +{ + u32 event = ntoh32(e->event_type); + struct net_device *ndev = NULL; + u8 *dst_mac = (u8 *)e->addr.octet; + int ret = 0; + wl_event_sd_t *gas = NULL; + int status = ntoh32(e->status); + sdo_event_t sdo_hdr; + u32 data_len = ntoh32(e->datalen); + u8 *data_ptr = NULL; + u32 tot_len = 0; + + + WL_SD(("Enter event_type:%d status:%d\n", event, status)); + + if (!wl->sdo) { + WL_ERR(("SDO Not initialized \n")); + return -EINVAL; + } + + if (!(wl->sdo->sd_state & WL_SD_SEARCH_SVC)) { + /* We are not searching for any service. Drop + * any bogus Event + */ + WL_ERR(("Bogus SDO Event. Do nothing.. \n")); + return -1; + } + + ndev = cfgdev_to_wlc_ndev(cfgdev, wl); + + mutex_lock(&wl->usr_sync); + if (event == WLC_E_SERVICE_FOUND) { + + if ((status != WLC_E_STATUS_SUCCESS) && (status != WLC_E_STATUS_PARTIAL)) { + WL_ERR(("WLC_E_SERVICE_FOUND: unknown status \n")); + goto exit; + } + + gas = (wl_event_sd_t *)data; + if (!gas) { + ret = -EINVAL; + goto exit; + } + + bzero(&sdo_hdr, sizeof(sdo_event_t)); + sdo_hdr.freq = wl_cfg80211_channel_to_freq(gas->channel); + sdo_hdr.count = gas->count; + memcpy(sdo_hdr.addr, dst_mac, ETH_ALEN); + data_ptr = (char *)gas->tlv; + tot_len = data_len - (sizeof(wl_event_sd_t) - sizeof(wl_sd_tlv_t)); + + WL_SD(("WLC_E_SERVICE_FOUND "MACDBG" data_len:%d tlv_count:%d \n", + MAC2STRDBG(dst_mac), data_len, sdo_hdr.count)); + + if (tot_len > NLMSG_DEFAULT_SIZE) { + WL_ERR(("size(%u) > %lu not supported \n", tot_len, NLMSG_DEFAULT_SIZE)); + ret = -ENOMEM; + goto exit; + } + + if (wl_genl_send_msg(ndev, event, data_ptr, + tot_len, (u8 *)&sdo_hdr, sizeof(sdo_event_t)) < 0) + WL_ERR(("Couldn't send up the NETLINK Event \n")); + else + WL_SD(("GAS event sent up \n")); + } else { + WL_ERR(("Unsupported Event: %d \n", event)); + } + +exit: + mutex_unlock(&wl->usr_sync); + return ret; +} + +s32 wl_cfg80211_DsdOffloadParseProto(char* proto_str, u8* proto) +{ + s32 len = -1; + int i = 0; + + for (i = 0; i < MAX_SDO_PROTO; i++) { + if (strncmp(proto_str, wl_sdo_protos[i].str, strlen(wl_sdo_protos[i].str)) == 0) { + WL_SD(("Matching proto (%d) found \n", wl_sdo_protos[i].val)); + *proto = wl_sdo_protos[i].val; + len = strlen(wl_sdo_protos[i].str); + break; + } + } + return len; +} + +/* + * register to search for a UPnP service + * ./DRIVER P2P_SD_REQ upnp 0x10urn:schemas-upnporg:device:InternetGatewayDevice:1 + * + * Enable discovery + * ./wl p2po_find +*/ +#define UPNP_QUERY_VER_OFFSET 3 +s32 wl_sd_handle_sd_req( + struct net_device *dev, + u8 * buf, + int len) +{ + struct wl_priv *wl = wlcfg_drv_priv; + s32 bssidx = 0; + wl_sd_qr_t *sdreq; + u8 proto = 0; + s32 ret = 0; + u16 kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL; + u32 tot_len = len + sizeof(wl_sd_qr_t); + u16 version = 0; + + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("find_idx failed\n")); + return -EINVAL; + } + /* Check for the least arg length expected */ + if (!buf || (len < strlen("all"))) { + WL_ERR(("Wrong Arg\n")); + return -EINVAL; + } + + if (tot_len > WLC_IOCTL_MAXLEN) { + WL_ERR(("Length > %lu not supported \n", MAX_QR_LEN)); + return -EINVAL; + } + + sdreq = kzalloc(tot_len, kflags); + if (!sdreq) { + WL_ERR(("malloc failed\n")); + return -ENOMEM; + } + + WL_SD(("%s Len: %d\n", buf, len)); + if ((ret = wl_cfg80211_DsdOffloadParseProto(buf, &proto)) < 0) { + WL_ERR(("Unknown proto \n")); + goto exit; + } + + sdreq->protocol = proto; + buf += ret; + buf++; /* skip the space */ + sdreq->transaction_id = simple_strtoul(buf, NULL, 16); + WL_SD(("transaction_id:%d\n", sdreq->transaction_id)); + buf += sizeof(sdreq->transaction_id); + + if (*buf == '\0') { + WL_SD(("No Query present. Proto:%d \n", proto)); + sdreq->query_len = 0; + } else { + buf++; /* skip the space */ + /* UPNP version needs to put as binary val */ + if (sdreq->protocol == SVC_RPOTYPE_UPNP) { + /* Extract UPNP version */ + version = simple_strtoul(buf, NULL, 16); + buf = buf + UPNP_QUERY_VER_OFFSET; + buf[0] = version; + WL_SD(("Upnp version: 0x%x \n", version)); + } + + len = strlen(buf); + WL_SD(("Len after stripping proto: %d Query: %s\n", len, buf)); + /* copy the query part */ + memcpy(sdreq->qrbuf, buf, len); + sdreq->query_len = len; + } + + /* Enable discovery */ + if ((ret = wl_cfgp2p_enable_discovery(wl, dev, NULL, 0)) < 0) { + WL_ERR(("cfgp2p_enable discovery failed")); + goto exit; + } + + if ((ret = wldev_iovar_setbuf_bsscfg(dev, "p2po_sd_req_resp", (void*)sdreq, + tot_len, wl->ioctl_buf, WLC_IOCTL_MAXLEN, + bssidx, &wl->ioctl_buf_sync)) < 0) { + WL_ERR(("Find SVC Failed \n")); + goto exit; + } + + wl->sdo->sd_state |= WL_SD_SEARCH_SVC; + +exit: + kfree(sdreq); + return ret; +} + +s32 wl_sd_handle_sd_cancel_req( + struct net_device *dev, + u8 *buf) +{ + struct wl_priv *wl = wlcfg_drv_priv; + s32 bssidx = wl_to_p2p_bss_bssidx(wl, P2PAPI_BSSCFG_DEVICE); + + if (wldev_iovar_setbuf_bsscfg(dev, "p2po_sd_cancel", NULL, + 0, wl->ioctl_buf, WLC_IOCTL_SMLEN, + bssidx, &wl->ioctl_buf_sync) < 0) { + WL_ERR(("Cancel SD Failed \n")); + return -EINVAL; + } + + wl->sdo->sd_state &= ~WL_SD_SEARCH_SVC; + + return 0; +} + +/* + * register a UPnP service to be discovered + * ./wl P2P_SD_SVC_ADD upnp 0x10urn:schemas-upnporg:device:InternetGatewayDevice:1 0x10uu + * id:6859dede-8574-59ab-9332-123456789012::urn:schemas-upnporg:device:InternetGate + * wayDevice:1 +*/ +s32 wl_sd_handle_sd_add_svc( + struct net_device *dev, + u8 * buf, + int len) +{ + struct wl_priv *wl = wlcfg_drv_priv; + s32 bssidx = 0; + wl_sd_qr_t *sdreq; + u8 proto = 0; + u16 version = 0; + s32 ret = 0; + u8 *resp = NULL; + u8 *query = NULL; + u32 tot_len = len + sizeof(wl_sd_qr_t); + u16 kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL; + + if (!buf || !len) + return -EINVAL; + + WL_SD(("%s Len: %d\n", buf, len)); + if (tot_len > WLC_IOCTL_MAXLEN) { + WL_ERR(("Query-Resp length > %d not supported \n", WLC_IOCTL_MAXLEN)); + return -ENOMEM; + } + + sdreq = kzalloc(tot_len, kflags); + if (!sdreq) { + WL_ERR(("malloc failed\n")); + return -ENOMEM; + } + + if ((ret = wl_cfg80211_DsdOffloadParseProto(buf, &proto)) < 0) { + WL_ERR(("Unknown Proto \n")); + goto exit; + } + + sdreq->protocol = proto; + buf += ret; + + if (*buf == '\0') { + WL_ERR(("No Query Resp pair present \n")); + ret = -EINVAL; + goto exit; + } + + buf++; /* Skip the space */ + len = strlen(buf); + query = strsep((char **)&buf, " "); + if (!query || !buf) { + WL_ERR(("No Query RESP Present\n")); + ret = -EINVAL; + goto exit; + } + resp = buf; + + if (sdreq->protocol == SVC_RPOTYPE_UPNP) { + /* Extract UPNP version */ + version = simple_strtoul(query, NULL, 16); + query = query + UPNP_QUERY_VER_OFFSET; + resp = resp + UPNP_QUERY_VER_OFFSET; + query[0] = version; + resp[0] = version; + WL_SD(("Upnp version: 0x%x \n", version)); + } + + sdreq->query_len = strlen(query); + sdreq->response_len = strlen(buf); + WL_SD(("query:%s len:%u \n", query, sdreq->query_len)); + WL_SD(("resp:%s len:%u \n", buf, sdreq->response_len)); + + memcpy(sdreq->qrbuf, query, sdreq->query_len); + memcpy((sdreq->qrbuf + sdreq->query_len), resp, sdreq->response_len); + + /* Enable discovery */ + if ((ret = wl_cfgp2p_enable_discovery(wl, dev, NULL, 0)) < 0) { + WL_ERR(("cfgp2p_enable discovery failed")); + goto exit; + } + + if ((ret = wldev_iovar_setbuf_bsscfg(dev, "p2po_addsvc", (void*)sdreq, + tot_len, wl->ioctl_buf, WLC_IOCTL_MAXLEN, + bssidx, &wl->ioctl_buf_sync)) < 0) { + WL_ERR(("FW Failed in doing p2po_addsvc. RET:%d \n", ret)); + goto exit; + } + + wl->sdo->sd_state |= WL_SD_ADV_SVC; + +exit: + kfree(sdreq); + return ret; +} + +s32 wl_sd_handle_sd_del_svc( + struct net_device *dev, + u8 * buf, + int len) +{ + struct wl_priv *wl = wlcfg_drv_priv; + s32 bssidx = 0; + wl_sd_qr_t *sdreq; + u8 proto = 0; + s32 ret = 0; + u32 tot_len = len + sizeof(wl_sd_qr_t); + u16 kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL; + u16 version = 0; + + if (wl_cfgp2p_find_idx(wl, dev, &bssidx) != BCME_OK) { + WL_ERR(("find_idx failed\n")); + return -EINVAL; + } + + sdreq = (wl_sd_qr_t *)kzalloc(tot_len, kflags); + if (!sdreq) { + WL_ERR(("malloc failed\n")); + ret = -ENOMEM; + goto exit; + } + + /* Check for the least arg length expected */ + if (buf && len >= strlen("all")) { + WL_DBG(("%s Len: %d\n", buf, len)); + if ((ret = wl_cfg80211_DsdOffloadParseProto(buf, &proto)) < 0) { + WL_ERR(("Unknown Proto \n")); + goto exit; + } + sdreq->protocol = proto; + buf += ret; + + if (*buf == ' ') { + /* Query present */ + buf++; /* Skip the space */ + /* UPNP version needs to put as binary val */ + if (sdreq->protocol == SVC_RPOTYPE_UPNP) { + /* Extract UPNP version */ + version = simple_strtoul(buf, NULL, 16); + buf = buf + UPNP_QUERY_VER_OFFSET; + buf[0] = version; + WL_SD(("Upnp version: 0x%x \n", version)); + } + memcpy(sdreq->qrbuf, buf, strlen(buf)); + sdreq->query_len = strlen(buf); + WL_SD(("Query to be deleted:%s len:%d\n", buf, sdreq->query_len)); + } + } else { + /* ALL */ + proto = 0; + } + + sdreq->protocol = proto; + WL_SD(("Proto: %d \n", proto)); + + if ((ret = wldev_iovar_setbuf_bsscfg(dev, "p2po_delsvc", (void*)sdreq, + tot_len, wl->ioctl_buf, WLC_IOCTL_MAXLEN, + bssidx, &wl->ioctl_buf_sync)) < 0) { + WL_ERR(("FW Failed in doing sd_delsvc. ret=%d \n", ret)); + goto exit; + } + + wl->sdo->sd_state &= ~WL_SD_ADV_SVC; + +exit: + if (sdreq) + kfree(sdreq); + + return ret; +} + +s32 wl_sd_handle_sd_stop_discovery( + struct net_device *dev, + u8 * buf, + int len) +{ + struct wl_priv *wl = wlcfg_drv_priv; + s32 bssidx = wl_to_p2p_bss_bssidx(wl, P2PAPI_BSSCFG_DEVICE); + int ret = 0; + int sdo_pause = 0; + + if ((ret = wldev_iovar_setbuf_bsscfg(dev, "p2po_stop", (void*)&sdo_pause, + sizeof(sdo_pause), wl->ioctl_buf, WLC_IOCTL_SMLEN, + bssidx, &wl->ioctl_buf_sync)) < 0) { + WL_ERR(("p2po_stop Failed :%d\n", ret)); + return -1; + } + + if (wldev_iovar_setint(dev, "mpc", 1) < 0) { + /* Setting of MPC failed */ + WL_ERR(("mpc enabling back failed\n")); + return -1; + } + + /* clear the states */ + wl->sdo->dd_state = WL_DD_STATE_IDLE; + wl_clr_p2p_status(wl, DISC_IN_PROGRESS); + + bzero(&wl->sdo->sd_listen, sizeof(wl_sd_listen_t)); + + /* Remove ESCAN from waking up the host if ofind/olisten is enabled */ + wl_add_remove_eventmsg(dev, WLC_E_ESCAN_RESULT, true); + + return ret; +} + +s32 wl_sd_handle_sd_find( + struct net_device *dev, + u8 * buf, + int len) +{ + struct wl_priv *wl = wlcfg_drv_priv; + s32 bssidx = wl_to_p2p_bss_bssidx(wl, P2PAPI_BSSCFG_DEVICE); + int ret = 0; + s32 disc_bssidx = wl_to_p2p_bss_bssidx(wl, P2PAPI_BSSCFG_DEVICE); + vndr_ie_setbuf_t *ie_setbuf; + vndr_ie_t *vndrie; + vndr_ie_buf_t *vndriebuf; + u16 kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL; + int tot_len = 0; + uint channel = 0; + + u8 p2pie_buf[] = { + 0x09, 0x02, 0x02, 0x00, 0x27, 0x0c, 0x06, 0x05, 0x00, + 0x55, 0x53, 0x04, 0x51, 0x0b, 0x11, 0x05, 0x00, 0x55, + 0x53, 0x04, 0x51, 0x0b + }; + + /* Enable discovery */ + if ((ret = wl_cfgp2p_enable_discovery(wl, dev, NULL, 0)) < 0) { + WL_ERR(("cfgp2p_enable discovery failed")); + return -1; + } + + if (buf && strncmp(buf, "chan=", strlen("chan=")) == 0) { + buf += strlen("chan="); + channel = simple_strtol(buf, NULL, 10); + WL_SD(("listen_chan to be set:%d\n", channel)); + if ((ret = wldev_iovar_setbuf_bsscfg(dev, "p2po_listen_channel", (void*)&channel, + sizeof(channel), wl->ioctl_buf, WLC_IOCTL_SMLEN, + bssidx, &wl->ioctl_buf_sync)) < 0) { + WL_ERR(("p2po_listen_channel Failed :%d\n", ret)); + return -1; + } + } + + tot_len = sizeof(vndr_ie_setbuf_t) + sizeof(p2pie_buf); + ie_setbuf = (vndr_ie_setbuf_t *) kzalloc(tot_len, kflags); + if (!ie_setbuf) { + WL_ERR(("IE memory alloc failed\n")); + return -ENOMEM; + } + + /* Apply the p2p_ie for p2po_find */ + strcpy(ie_setbuf->cmd, "add"); + + vndriebuf = &ie_setbuf->vndr_ie_buffer; + vndriebuf->iecount = htod32(1); + vndriebuf->vndr_ie_list[0].pktflag = htod32(16); + + vndrie = &vndriebuf->vndr_ie_list[0].vndr_ie_data; + + vndrie->id = (uchar) DOT11_MNG_PROPR_ID; + vndrie->len = sizeof(p2pie_buf); + memcpy(vndrie->oui, WFA_OUI, WFA_OUI_LEN); + memcpy(vndrie->data, p2pie_buf, sizeof(p2pie_buf)); + + /* Remove ESCAN from waking up the host if SDO is enabled */ + wl_add_remove_eventmsg(dev, WLC_E_ESCAN_RESULT, false); + + if (wldev_iovar_setbuf_bsscfg(dev, "ie", (void*)ie_setbuf, + tot_len, wl->ioctl_buf, WLC_IOCTL_SMLEN, + disc_bssidx, &wl->ioctl_buf_sync) < 0) { + WL_ERR(("p2p add_ie failed \n")); + ret = -EINVAL; + goto exit; + } else + WL_SD(("p2p add_ie applied successfully len:%d \n", tot_len)); + + if (wldev_iovar_setint(dev, "mpc", 0) < 0) { + /* Setting of MPC failed */ + WL_ERR(("mpc disabling faild\n")); + ret = -1; + goto exit; + } + + if ((ret = wldev_iovar_setbuf_bsscfg(dev, "p2po_find", NULL, 0, + wl->ioctl_buf, WLC_IOCTL_SMLEN, bssidx, &wl->ioctl_buf_sync)) < 0) { + WL_ERR(("p2po_find Failed :%d\n", ret)); + ret = -1; + goto exit; + } + + /* set the states */ + wl->sdo->dd_state = WL_DD_STATE_SEARCH; + wl_set_p2p_status(wl, DISC_IN_PROGRESS); + +exit: + if (ie_setbuf) + kfree(ie_setbuf); + + /* Incase of failure enable back the ESCAN event */ + if (ret) + wl_add_remove_eventmsg(dev, WLC_E_ESCAN_RESULT, true); + + return ret; +} + +s32 wl_sd_handle_sd_listen( + struct net_device *dev, + u8 *buf, + int len) +{ + struct wl_priv *wl = wlcfg_drv_priv; + s32 bssidx = wl_to_p2p_bss_bssidx(wl, P2PAPI_BSSCFG_DEVICE); + wl_sd_listen_t sd_listen; + int ret = 0; + u8 * ptr = NULL; + uint channel = 0; + + /* Just in case if it is not enabled */ + if ((ret = wl_cfgp2p_enable_discovery(wl, dev, NULL, 0)) < 0) { + WL_ERR(("cfgp2p_enable discovery failed")); + return -1; + } + + if (wldev_iovar_setint(dev, "mpc", 0) < 0) { + /* Setting of MPC failed */ + WL_ERR(("mpc disabling faild\n")); + return -1; + } + + bzero(&sd_listen, sizeof(wl_sd_listen_t)); + + if (len) { + ptr = strsep((char **)&buf, " "); + if (ptr == NULL) { + /* period and duration given wrongly */ + WL_ERR(("Arguments in wrong format \n")); + return -EINVAL; + } + else if (strncmp(ptr, "chan=", strlen("chan=")) == 0) { + sd_listen.interval = 65535; + sd_listen.period = 65535; + ptr += strlen("chan="); + channel = simple_strtol(ptr, NULL, 10); + } + else { + sd_listen.period = simple_strtol(ptr, NULL, 10); + ptr = strsep((char **)&buf, " "); + if (ptr == NULL) { + WL_ERR(("Arguments in wrong format \n")); + return -EINVAL; + } + sd_listen.interval = simple_strtol(ptr, NULL, 10); + if (buf && strncmp(buf, "chan=", strlen("chan=")) == 0) { + buf += strlen("chan="); + channel = simple_strtol(buf, NULL, 10); + } + } + WL_SD(("listen_period:%d, listen_interval:%d and listen_channel:%d\n", + sd_listen.period, sd_listen.interval, channel)); + } + if ((ret = wldev_iovar_setbuf_bsscfg(dev, "p2po_listen_channel", (void*)&channel, + sizeof(channel), wl->ioctl_buf, WLC_IOCTL_SMLEN, + bssidx, &wl->ioctl_buf_sync)) < 0) { + WL_ERR(("p2po_listen_channel Failed :%d\n", ret)); + return -1; + } + + WL_SD(("p2po_listen period:%d interval:%d \n", + sd_listen.period, sd_listen.interval)); + if ((ret = wldev_iovar_setbuf_bsscfg(dev, "p2po_listen", (void*)&sd_listen, + sizeof(wl_sd_listen_t), wl->ioctl_buf, WLC_IOCTL_SMLEN, + bssidx, &wl->ioctl_buf_sync)) < 0) { + WL_ERR(("p2po_listen Failed :%d\n", ret)); + return -1; + } + + /* Remove ESCAN from waking up the host if ofind/olisten is enabled */ + wl_add_remove_eventmsg(dev, WLC_E_ESCAN_RESULT, false); + + /* Store the extended listen values for use in sdo_resume */ + wl->sdo->sd_listen.interval = sd_listen.interval; + wl->sdo->sd_listen.period = sd_listen.period; + + /* set the states */ + wl->sdo->dd_state = WL_DD_STATE_LISTEN; + wl_set_p2p_status(wl, DISC_IN_PROGRESS); + + return 0; +} + +s32 wl_cfg80211_sd_offload(struct net_device *dev, char *cmd, char* buf, int len) +{ + int ret = 0; + struct wl_priv *wl = wlcfg_drv_priv; + + WL_SD(("Entry cmd:%s arg_len:%d \n", cmd, len)); + + if (!wl->sdo) { + WL_SD(("Initializing SDO \n")); + if ((ret = wl_cfg80211_sdo_init(wl)) < 0) + goto exit; + } + + if (strncmp(cmd, "P2P_SD_REQ", strlen("P2P_SD_REQ")) == 0) { + ret = wl_sd_handle_sd_req(dev, buf, len); + } else if (strncmp(cmd, "P2P_SD_CANCEL_REQ", strlen("P2P_SD_CANCEL_REQ")) == 0) { + ret = wl_sd_handle_sd_cancel_req(dev, buf); + } else if (strncmp(cmd, "P2P_SD_SVC_ADD", strlen("P2P_SD_SVC_ADD")) == 0) { + ret = wl_sd_handle_sd_add_svc(dev, buf, len); + } else if (strncmp(cmd, "P2P_SD_SVC_DEL", strlen("P2P_SD_SVC_DEL")) == 0) { + ret = wl_sd_handle_sd_del_svc(dev, buf, len); + } else if (strncmp(cmd, "P2P_SD_FIND", strlen("P2P_SD_FIND")) == 0) { + ret = wl_sd_handle_sd_find(dev, buf, len); + } else if (strncmp(cmd, "P2P_SD_LISTEN", strlen("P2P_SD_LISTEN")) == 0) { + ret = wl_sd_handle_sd_listen(dev, buf, len); + } else if (strncmp(cmd, "P2P_SD_STOP", strlen("P2P_STOP")) == 0) { + ret = wl_sd_handle_sd_stop_discovery(dev, buf, len); + } else { + WL_ERR(("Request for Unsupported CMD:%s \n", buf)); + ret = -EINVAL; + } + +exit: + return ret; +} +#endif /* WL_SDO */ + +#ifdef WLTDLS +static s32 +wl_tdls_event_handler(struct wl_priv *wl, bcm_struct_cfgdev *cfgdev, + const wl_event_msg_t *e, void *data) { + + struct net_device *ndev = NULL; + u32 reason = ntoh32(e->reason); + s8 *msg = NULL; + + ndev = cfgdev_to_wlc_ndev(cfgdev, wl); + + switch (reason) { + case WLC_E_TDLS_PEER_DISCOVERED : + msg = " TDLS PEER DISCOVERD "; + break; + case WLC_E_TDLS_PEER_CONNECTED : + msg = " TDLS PEER CONNECTED "; + break; + case WLC_E_TDLS_PEER_DISCONNECTED : + msg = "TDLS PEER DISCONNECTED "; + break; + } + if (msg) { + WL_ERR(("%s: " MACDBG " on %s ndev\n", msg, MAC2STRDBG((u8*)(&e->addr)), + (wl_to_prmry_ndev(wl) == ndev) ? "primary" : "secondary")); + } + return 0; + +} +#endif /* WLTDLS */ + +#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 2, 0)) || defined(WL_COMPAT_WIRELESS) +static s32 +wl_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, + u8 *peer, enum nl80211_tdls_operation oper) +{ + s32 ret = 0; +#ifdef WLTDLS + struct wl_priv *wl = wlcfg_drv_priv; + tdls_iovar_t info; + dhd_pub_t *dhd = (dhd_pub_t *)(wl->pub); + memset(&info, 0, sizeof(tdls_iovar_t)); + if (peer) + memcpy(&info.ea, peer, ETHER_ADDR_LEN); + switch (oper) { + case NL80211_TDLS_DISCOVERY_REQ: + if (!dhd->tdls_enable) + ret = dhd_tdls_enable_disable(dhd, 1); + if (ret < 0) + return ret; + info.mode = TDLS_MANUAL_EP_DISCOVERY; + break; + case NL80211_TDLS_SETUP: + info.mode = TDLS_MANUAL_EP_CREATE; + break; + case NL80211_TDLS_TEARDOWN: + info.mode = TDLS_MANUAL_EP_DELETE; + break; + default: + WL_ERR(("Unsupported operation : %d\n", oper)); + goto out; + } + ret = wldev_iovar_setbuf(dev, "tdls_endpoint", &info, sizeof(info), + wl->ioctl_buf, WLC_IOCTL_MAXLEN, &wl->ioctl_buf_sync); + if (ret) { + WL_ERR(("tdls_endpoint error %d\n", ret)); + } +out: +#endif /* WLTDLS */ + return ret; +} +#endif /* LINUX_VERSION > VERSION(3,2,0) || WL_COMPAT_WIRELESS */ + +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)) { + /* Vendor IEs should be set to FW + * after SoftAP interface is brought up + */ + goto exit; + } else if (wl_get_drv_status(wl, AP_CREATED, net)) { + ndev = net; + bssidx = 0; + } else if (wl->p2p) { + net = ndev_to_wlc_ndev(net, 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; +} + +#ifdef WL_SUPPORT_AUTO_CHANNEL +static s32 +wl_cfg80211_set_auto_channel_scan_state(struct net_device *ndev) +{ + u32 val = 0; + s32 ret = BCME_ERROR; + struct wl_priv *wl = wlcfg_drv_priv; + + /* Disable mpc, to avoid automatic interface down. */ + val = 0; + + ret = wldev_iovar_setbuf_bsscfg(ndev, "mpc", (void *)&val, + sizeof(val), wl->ioctl_buf, WLC_IOCTL_SMLEN, 0, + &wl->ioctl_buf_sync); + if (ret < 0) { + WL_ERR(("set 'mpc' failed, error = %d\n", ret)); + goto done; + } + + /* Set interface up, explicitly. */ + val = 1; + + ret = wldev_ioctl(ndev, WLC_UP, (void *)&val, sizeof(val), true); + if (ret < 0) { + WL_ERR(("set interface up failed, error = %d\n", ret)); + goto done; + } + + /* Stop all scan explicitly, till auto channel selection complete. */ + wl_set_drv_status(wl, SCANNING, ndev); + ret = wl_notify_escan_complete(wl, ndev, true, true); + if (ret < 0) { + WL_ERR(("set scan abort failed, error = %d\n", ret)); + ret = BCME_OK; // terence 20140115: fix escan_complete error + goto done; + } + +done: + return ret; +} + +static bool +wl_cfg80211_valid_chanspec_p2p(chanspec_t chanspec) +{ + bool valid = false; + + /* channel 1 to 14 */ + if ((chanspec >= 0x2b01) && (chanspec <= 0x2b0e)) { + valid = true; + } + /* channel 36 to 48 */ + else if ((chanspec >= 0x1b24) && (chanspec <= 0x1b30)) { + valid = true; + } + /* channel 149 to 161 */ + else if ((chanspec >= 0x1b95) && (chanspec <= 0x1ba1)) { + valid = true; + } + else { + valid = false; + WL_INFO(("invalid P2P chanspec, channel = %d, chanspec = %04x\n", + CHSPEC_CHANNEL(chanspec), chanspec)); + } + + return valid; +} + +static s32 +wl_cfg80211_get_chanspecs_2g(struct net_device *ndev, void *buf, s32 buflen) +{ + s32 ret = BCME_ERROR; + struct wl_priv *wl = NULL; + wl_uint32_list_t *list = NULL; + chanspec_t chanspec = 0; + + memset(buf, 0, buflen); + + wl = wlcfg_drv_priv; + list = (wl_uint32_list_t *)buf; + list->count = htod32(WL_NUMCHANSPECS); + + /* Restrict channels to 2.4GHz, 20MHz BW, no SB. */ + chanspec |= (WL_CHANSPEC_BAND_2G | WL_CHANSPEC_BW_20 | + WL_CHANSPEC_CTL_SB_NONE); + chanspec = wl_chspec_host_to_driver(chanspec); + + ret = wldev_iovar_getbuf_bsscfg(ndev, "chanspecs", (void *)&chanspec, + sizeof(chanspec), buf, buflen, 0, &wl->ioctl_buf_sync); + if (ret < 0) { + WL_ERR(("get 'chanspecs' failed, error = %d\n", ret)); + } + + return ret; +} + +static s32 +wl_cfg80211_get_chanspecs_5g(struct net_device *ndev, void *buf, s32 buflen) +{ + u32 channel = 0; + s32 ret = BCME_ERROR; + s32 i = 0; + s32 j = 0; + struct wl_priv *wl = NULL; + wl_uint32_list_t *list = NULL; + chanspec_t chanspec = 0; + + memset(buf, 0, buflen); + + wl = wlcfg_drv_priv; + list = (wl_uint32_list_t *)buf; + list->count = htod32(WL_NUMCHANSPECS); + + /* Restrict channels to 5GHz, 20MHz BW, no SB. */ + chanspec |= (WL_CHANSPEC_BAND_5G | WL_CHANSPEC_BW_20 | + WL_CHANSPEC_CTL_SB_NONE); + chanspec = wl_chspec_host_to_driver(chanspec); + + ret = wldev_iovar_getbuf_bsscfg(ndev, "chanspecs", (void *)&chanspec, + sizeof(chanspec), buf, buflen, 0, &wl->ioctl_buf_sync); + if (ret < 0) { + WL_ERR(("get 'chanspecs' failed, error = %d\n", ret)); + goto done; + } + + /* Skip DFS and inavlid P2P channel. */ + for (i = 0, j = 0; i < dtoh32(list->count); i++) { + chanspec = (chanspec_t) dtoh32(list->element[i]); + channel = CHSPEC_CHANNEL(chanspec); + + ret = wldev_iovar_getint(ndev, "per_chan_info", &channel); + if (ret < 0) { + WL_ERR(("get 'per_chan_info' failed, error = %d\n", ret)); + goto done; + } + + if (CHANNEL_IS_RADAR(channel) || + !(wl_cfg80211_valid_chanspec_p2p(chanspec))) { + continue; + } else { + list->element[j] = list->element[i]; + } + + j++; + } + + list->count = j; + +done: + return ret; +} + +static s32 +wl_cfg80211_get_best_channel(struct net_device *ndev, void *buf, int buflen, + int *channel) +{ + s32 ret = BCME_ERROR; + int chosen = 0; + int retry = 0; + + /* Start auto channel selection scan. */ + ret = wldev_ioctl(ndev, WLC_START_CHANNEL_SEL, buf, buflen, true); + if (ret < 0) { + WL_ERR(("can't start auto channel scan, error = %d\n", ret)); + *channel = 0; + goto done; + } + + /* Wait for auto channel selection, worst case possible delay is 5250ms. */ + retry = CHAN_SEL_RETRY_COUNT; + + while (retry--) { + OSL_SLEEP(CHAN_SEL_IOCTL_DELAY); + + ret = wldev_ioctl(ndev, WLC_GET_CHANNEL_SEL, &chosen, sizeof(chosen), + false); + if ((ret == 0) && (dtoh32(chosen) != 0)) { + if (dhd_bus_chip_id(bcmsdh_get_drvdata()) != BCM43362_CHIP_ID && + dhd_bus_chip_id(bcmsdh_get_drvdata()) != BCM4330_CHIP_ID) { + u32 chanspec = 0; + int ctl_chan; + chanspec = wl_chspec_driver_to_host(chosen); + printf("selected chanspec = 0x%x\n", chanspec); + ctl_chan = wf_chspec_ctlchan(chanspec); + printf("selected ctl_chan = 0x%x\n", ctl_chan); + *channel = (u16)(ctl_chan & 0x00FF); + } else + *channel = (u16)(chosen & 0x00FF); + WL_INFO(("selected channel = %d\n", *channel)); + break; + } + WL_INFO(("attempt = %d, ret = %d, chosen = %d\n", + (CHAN_SEL_RETRY_COUNT - retry), ret, dtoh32(chosen))); + } + + if (retry <= 0) { + WL_ERR(("failure, auto channel selection timed out\n")); + *channel = 0; + ret = BCME_ERROR; + } + +done: + return ret; +} + +static s32 +wl_cfg80211_restore_auto_channel_scan_state(struct net_device *ndev) +{ + u32 val = 0; + s32 ret = BCME_ERROR; + struct wl_priv *wl = wlcfg_drv_priv; + + /* Clear scan stop driver status. */ + wl_clr_drv_status(wl, SCANNING, ndev); + + /* Enable mpc back to 1, irrespective of initial state. */ + val = 1; + + ret = wldev_iovar_setbuf_bsscfg(ndev, "mpc", (void *)&val, + sizeof(val), wl->ioctl_buf, WLC_IOCTL_SMLEN, 0, + &wl->ioctl_buf_sync); + if (ret < 0) { + WL_ERR(("set 'mpc' failed, error = %d\n", ret)); + } + + return ret; +} + +s32 +wl_cfg80211_get_best_channels(struct net_device *dev, char* cmd, int total_len) +{ + int channel = 0, band, band_cur; + s32 ret = BCME_ERROR; + u8 *buf = NULL; + char *pos = cmd; + struct wl_priv *wl = NULL; + struct net_device *ndev = NULL; + + memset(cmd, 0, total_len); + + buf = kmalloc(CHANSPEC_BUF_SIZE, GFP_KERNEL); + if (buf == NULL) { + WL_ERR(("failed to allocate chanspec buffer\n")); + return -ENOMEM; + } + + /* + * Always use primary interface, irrespective of interface on which + * command came. + */ + wl = wlcfg_drv_priv; + ndev = wl_to_prmry_ndev(wl); + + /* + * Make sure that FW and driver are in right state to do auto channel + * selection scan. + */ + ret = wl_cfg80211_set_auto_channel_scan_state(ndev); + if (ret < 0) { + WL_ERR(("can't set auto channel scan state, error = %d\n", ret)); + goto done; + } + + /* Best channel selection in 2.4GHz band. */ + ret = wl_cfg80211_get_chanspecs_2g(ndev, (void *)buf, CHANSPEC_BUF_SIZE); + if (ret < 0) { + WL_ERR(("can't get chanspecs in 2.4GHz, error = %d\n", ret)); + goto done; + } + + ret = wl_cfg80211_get_best_channel(ndev, (void *)buf, CHANSPEC_BUF_SIZE, + &channel); + if (ret < 0) { + WL_ERR(("can't select best channel scan in 2.4GHz, error = %d\n", ret)); + goto done; + } + + if (CHANNEL_IS_2G(channel)) { + channel = ieee80211_channel_to_frequency(channel, IEEE80211_BAND_2GHZ); + } else { + WL_ERR(("invalid 2.4GHz channel, channel = %d\n", channel)); + channel = 0; + } + + sprintf(pos, "%04d ", channel); + pos += 5; + + // terence 20140120: fix for some chipsets only return 2.4GHz channel (4330b2/43341b0/4339a0) + ret = wldev_ioctl(dev, WLC_GET_BAND, &band_cur, sizeof(band_cur), false); + band = band_cur==WLC_BAND_2G ? band_cur : WLC_BAND_5G; + ret = wldev_ioctl(dev, WLC_SET_BAND, &band, sizeof(band), true); + if (ret < 0) + WL_ERR(("WLC_SET_BAND error %d\n", ret)); + + /* Best channel selection in 5GHz band. */ + ret = wl_cfg80211_get_chanspecs_5g(ndev, (void *)buf, CHANSPEC_BUF_SIZE); + if (ret < 0) { + WL_ERR(("can't get chanspecs in 5GHz, error = %d\n", ret)); + goto done; + } + + ret = wl_cfg80211_get_best_channel(ndev, (void *)buf, CHANSPEC_BUF_SIZE, + &channel); + if (ret < 0) { + WL_ERR(("can't select best channel scan in 5GHz, error = %d\n", ret)); + goto done; + } + + if (CHANNEL_IS_5G(channel)) { + channel = ieee80211_channel_to_frequency(channel, IEEE80211_BAND_5GHZ); + } else { + WL_ERR(("invalid 5GHz channel, channel = %d\n", channel)); + channel = 0; + } + + ret = wldev_ioctl(dev, WLC_SET_BAND, &band_cur, sizeof(band_cur), true); + if (ret < 0) + WL_ERR(("WLC_SET_BAND error %d\n", ret)); + + sprintf(pos, "%04d ", channel); + pos += 5; + + /* Set overall best channel same as 5GHz best channel. */ + sprintf(pos, "%04d ", channel); + pos += 5; + +done: + if (NULL != buf) { + kfree(buf); + } + + /* Restore FW and driver back to normal state. */ + ret = wl_cfg80211_restore_auto_channel_scan_state(ndev); + if (ret < 0) { + WL_ERR(("can't restore auto channel scan state, error = %d\n", ret)); + } + + printf("%s: channel %s\n", __FUNCTION__, cmd); + + return (pos - cmd); +} +#endif /* WL_SUPPORT_AUTO_CHANNEL */ + +static const struct rfkill_ops wl_rfkill_ops = { + .set_block = wl_rfkill_set +}; + +static int wl_rfkill_set(void *data, bool blocked) +{ + struct 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; +} + +#ifdef DEBUGFS_CFG80211 +/** +* Format : echo "SCAN:1 DBG:1" > /sys/kernel/debug/dhd/debug_level +* to turn on SCAN and DBG log. +* To turn off SCAN partially, echo "SCAN:0" > /sys/kernel/debug/dhd/debug_level +* To see current setting of debug level, +* cat /sys/kernel/debug/dhd/debug_level +*/ +static ssize_t +wl_debuglevel_write(struct file *file, const char __user *userbuf, + size_t count, loff_t *ppos) +{ + char tbuf[S_SUBLOGLEVEL * ARRAYSIZE(sublogname_map)], sublog[S_SUBLOGLEVEL]; + char *params, *token, *colon; + uint i, tokens, log_on = 0; + memset(tbuf, 0, sizeof(tbuf)); + memset(sublog, 0, sizeof(sublog)); + if (copy_from_user(&tbuf, userbuf, min_t(size_t, sizeof(tbuf), count))) + return -EFAULT; + + params = &tbuf[0]; + colon = strchr(params, '\n'); + if (colon != NULL) + *colon = '\0'; + while ((token = strsep(¶ms, " ")) != NULL) { + memset(sublog, 0, sizeof(sublog)); + if (token == NULL || !*token) + break; + if (*token == '\0') + continue; + colon = strchr(token, ':'); + if (colon != NULL) { + *colon = ' '; + } + tokens = sscanf(token, "%s %u", sublog, &log_on); + if (colon != NULL) + *colon = ':'; + + if (tokens == 2) { + for (i = 0; i < ARRAYSIZE(sublogname_map); i++) { + if (!strncmp(sublog, sublogname_map[i].sublogname, + strlen(sublogname_map[i].sublogname))) { + if (log_on) + wl_dbg_level |= + (sublogname_map[i].log_level); + else + wl_dbg_level &= + ~(sublogname_map[i].log_level); + } + } + } else + WL_ERR(("%s: can't parse '%s' as a " + "SUBMODULE:LEVEL (%d tokens)\n", + tbuf, token, tokens)); + + + } + return count; +} + +static ssize_t +wl_debuglevel_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + char *param; + char tbuf[S_SUBLOGLEVEL * ARRAYSIZE(sublogname_map)]; + uint i; + memset(tbuf, 0, sizeof(tbuf)); + param = &tbuf[0]; + for (i = 0; i < ARRAYSIZE(sublogname_map); i++) { + param += snprintf(param, sizeof(tbuf) - 1, "%s:%d ", + sublogname_map[i].sublogname, + (wl_dbg_level & sublogname_map[i].log_level) ? 1 : 0); + } + *param = '\n'; + return simple_read_from_buffer(user_buf, count, ppos, tbuf, strlen(&tbuf[0])); + +} +static const struct file_operations fops_debuglevel = { + .open = NULL, + .write = wl_debuglevel_write, + .read = wl_debuglevel_read, + .owner = THIS_MODULE, + .llseek = NULL, +}; + +static s32 wl_setup_debugfs(struct wl_priv *wl) +{ + s32 err = 0; + struct dentry *_dentry; + if (!wl) + return -EINVAL; + wl->debugfs = debugfs_create_dir(KBUILD_MODNAME, NULL); + if (!wl->debugfs || IS_ERR(wl->debugfs)) { + if (wl->debugfs == ERR_PTR(-ENODEV)) + WL_ERR(("Debugfs is not enabled on this kernel\n")); + else + WL_ERR(("Can not create debugfs directory\n")); + wl->debugfs = NULL; + goto exit; + + } + _dentry = debugfs_create_file("debug_level", S_IRUSR | S_IWUSR, + wl->debugfs, wl, &fops_debuglevel); + if (!_dentry || IS_ERR(_dentry)) { + WL_ERR(("failed to create debug_level debug file\n")); + wl_free_debugfs(wl); + } +exit: + return err; +} +static s32 wl_free_debugfs(struct wl_priv *wl) +{ + if (!wl) + return -EINVAL; + if (wl->debugfs) + debugfs_remove_recursive(wl->debugfs); + wl->debugfs = NULL; + return 0; +} +#endif /* DEBUGFS_CFG80211 */ + +struct device *wl_cfg80211_get_parent_dev(void) +{ + return cfg80211_parent_dev; +} + +void wl_cfg80211_set_parent_dev(void *dev) +{ + cfg80211_parent_dev = dev; +} + +static void wl_cfg80211_clear_parent_dev(void) +{ + cfg80211_parent_dev = NULL; +} + +void get_primary_mac(struct 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); +} +static bool check_dev_role_integrity(struct wl_priv *wl, u32 dev_role) +{ + dhd_pub_t *dhd = (dhd_pub_t *)(wl->pub); + if (((dev_role == NL80211_IFTYPE_AP) && + !(dhd->op_mode & DHD_FLAG_HOSTAP_MODE)) || + ((dev_role == NL80211_IFTYPE_P2P_GO) && + !(dhd->op_mode & DHD_FLAG_P2P_GO_MODE))) + { + WL_ERR(("device role select failed\n")); + return false; + } + return true; +} + +int wl_cfg80211_do_driver_init(struct net_device *net) +{ + struct 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, + bcm_struct_cfgdev *cfgdev, u64 cookie) +{ + /* CFG80211 checks for tx_cancel_wait callback when ATTR_DURATION + * is passed with CMD_FRAME. This callback is supposed to cancel + * the OFFCHANNEL Wait. Since we are already taking care of that + * with the tx_mgmt logic, do nothing here. + */ + + return 0; +} +#endif /* WL_SUPPORT_BACKPORTED_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")); + err = BCME_OK; + goto exit; + } + + strncpy(ie_setbuf->cmd, "add", VNDR_IE_CMD_LEN - 1); + ie_setbuf->cmd[VNDR_IE_CMD_LEN - 1] = '\0'; + + /* Buffer contains only 1 IE */ + iecount = htod32(1); + memcpy((void *)&ie_setbuf->ie_buffer.iecount, &iecount, sizeof(int)); + memcpy((void *)&ie_setbuf->ie_buffer.ie_list[0].pktflag, &pktflag, sizeof(uint32)); + + /* Now, add the IE to the buffer */ + ie_setbuf->ie_buffer.ie_list[0].ie_data.id = ie_id; + + /* if already set with previous values, delete it first */ + if (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) + goto exit; + } + + ie_setbuf->ie_buffer.ie_list[0].ie_data.len = data_len; + memcpy((uchar *)&ie_setbuf->ie_buffer.ie_list[0].ie_data.data[0], data, data_len); + + err = wldev_iovar_setbuf_bsscfg(ndev, "ie", ie_setbuf, buf_len, + 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); + } + +exit: + if (ie_setbuf) + 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); +} + +int wl_cfg80211_scan_suppress(struct net_device *dev, int suppress) +{ + int ret = 0; + struct wireless_dev *wdev; + struct wl_priv *wl; + if (!dev || ((suppress != 0) && (suppress != 1))) { + ret = -EINVAL; + goto exit; + } + wdev = ndev_to_wdev(dev); + if (!wdev) { + ret = -EINVAL; + goto exit; + } + wl = (struct wl_priv *)wiphy_priv(wdev->wiphy); + if (!wl) { + ret = -EINVAL; + goto exit; + } + + 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)); + } + } +exit: + return ret; +} +#endif /* DHCP_SCAN_SUPPRESS */ + +static void wl_cfg80211_work_handler(struct work_struct * work) +{ + struct wl_priv *wl = NULL; + struct net_info *iter, *next; + s32 err = BCME_OK; + s32 pm = PM_FAST; + + wl = container_of(work, struct wl_priv, pm_enable_work.work); + WL_DBG(("Enter \n")); + if (wl->pm_enable_work_on) { + wl->pm_enable_work_on = false; + for_each_ndev(wl, iter, next) { + if (!wl_get_drv_status(wl, CONNECTED, iter->ndev) || + (wl_get_mode_by_netdev(wl, iter->ndev) != WL_MODE_BSS)) + continue; + if (iter->ndev) { + if ((err = wldev_ioctl(iter->ndev, WLC_SET_PM, + &pm, sizeof(pm), true)) != 0) { + if (err == -ENODEV) + WL_DBG(("%s:netdev not ready\n", iter->ndev->name)); + else + WL_ERR(("%s:error (%d)\n", iter->ndev->name, err)); + } else + iter->ndev->ieee80211_ptr->ps = true; + } + } + + } +#if defined(DHCP_SCAN_SUPPRESS) + else 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); + } +#endif /* DHCP_SCAN_SUPPRESS */ +} + +u8 +wl_get_action_category(void *frame, u32 frame_len) +{ + u8 category; + u8 *ptr = (u8 *)frame; + if (frame == NULL) + return DOT11_ACTION_CAT_ERR_MASK; + if (frame_len < DOT11_ACTION_HDR_LEN) + return DOT11_ACTION_CAT_ERR_MASK; + category = ptr[DOT11_ACTION_CAT_OFF]; + WL_INFO(("Action Category: %d\n", category)); + return category; +} + +int +wl_get_public_action(void *frame, u32 frame_len, u8 *ret_action) +{ + u8 *ptr = (u8 *)frame; + if (frame == NULL || ret_action == NULL) + return BCME_ERROR; + if (frame_len < DOT11_ACTION_HDR_LEN) + return BCME_ERROR; + if (DOT11_ACTION_CAT_PUBLIC != wl_get_action_category(frame, frame_len)) + return BCME_ERROR; + *ret_action = ptr[DOT11_ACTION_ACT_OFF]; + WL_INFO(("Public Action : %d\n", *ret_action)); + return BCME_OK; +} + +#ifdef POWER_OFF_IN_SUSPEND +void wl_cfg80211_scan_complete(struct wl_priv *wl) +{ + wl_event_msg_t msg; + WL_TRACE(("In\n")); + + if (!(wl->scan_request)) { + WL_ERR(("timer expired but no scan request\n")); + return; + } + bzero(&msg, sizeof(wl_event_msg_t)); + if (wl->escan_on && wl->escan_info.escan_state == WL_ESCAN_STATE_SCANING) { + msg.event_type = hton32(WLC_E_ESCAN_RESULT); + msg.status = hton32(WLC_E_STATUS_SUCCESS); + msg.reason = 0; + wl_cfg80211_event(wl_to_prmry_ndev(wl), &msg, NULL); + } +} + +void wl_cfg80211_stop(void) +{ + struct wl_priv *wl; + + wl = wlcfg_drv_priv; + + WL_TRACE(("In\n")); + + if (wl->btcoex_info && wl->btcoex_info->timer_on) { + wl->btcoex_info->timer_on = 0; + del_timer_sync(&wl->btcoex_info->timer); + } + + if (wl->p2p_supported) { + if (timer_pending(&wl->p2p->listen_timer)) + del_timer_sync(&wl->p2p->listen_timer); + } + + del_timer_sync(&wl->scan_timeout); + +#if defined(RSSIAVG) + wl_free_rssi_cache(&g_rssi_cache_ctrl); + wl_free_rssi_cache(&g_rssi2_cache_ctrl); +#endif +#if defined(BSSCACHE) + wl_free_bss_cache(&g_bss_cache_ctrl); +#endif +} + +void wl_cfg80211_send_disconnect(void) +{ + struct wl_priv *wl; + + wl = wlcfg_drv_priv; + + WL_TRACE(("In\n")); + wl_cfg80211_scan_complete(wl); + cfg80211_disconnected(wl_to_prmry_ndev(wl), 0, NULL, 0, GFP_KERNEL); +} + +void wl_cfg80211_user_sync(bool lock) +{ + struct wl_priv *wl; + + wl = wlcfg_drv_priv; + if (lock) + mutex_lock(&wl->usr_sync); + else + mutex_unlock(&wl->usr_sync); +} + +s32 wl_cfg80211_up2(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)); + + 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; + } +#if defined(BCMSUP_4WAY_HANDSHAKE) && defined(WLAN_AKM_SUITE_FT_8021X) + if (dhd->fw_4way_handshake) + wl->wdev->wiphy->features |= NL80211_FEATURE_FW_4WAY_HANDSHAKE; +#endif + err = __wl_cfg80211_up(wl); + if (unlikely(err)) + WL_ERR(("__wl_cfg80211_up failed\n")); + + return err; +} + +s32 wl_cfg80211_down2(void *para) +{ + struct wl_priv *wl; + s32 err = 0; + + (void)para; + WL_DBG(("In\n")); + wl = wlcfg_drv_priv; + +#if defined(RSSIAVG) + wl_free_rssi_cache(&g_rssi_cache_ctrl); +#endif + err = __wl_cfg80211_down(wl); + + return err; +} +#endif |