| /* |
| * Copyright (c) 2010 Broadcom Corporation |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/if_arp.h> |
| #include <linux/sched.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/mmc/sdio_func.h> |
| #include <linux/firmware.h> |
| #include <linux/uaccess.h> |
| #include <net/cfg80211.h> |
| #include <net/rtnetlink.h> |
| |
| #include <brcmu_utils.h> |
| #include <defs.h> |
| #include <brcmu_wifi.h> |
| #include "dngl_stats.h" |
| #include "dhd.h" |
| #include "wl_cfg80211.h" |
| |
| void brcmf_sdioh_set_host_pm_flags(int flag); |
| |
| static struct sdio_func *cfg80211_sdio_func; |
| static struct wl_dev *wl_cfg80211_dev; |
| static const u8 ether_bcast[ETH_ALEN] = {255, 255, 255, 255, 255, 255}; |
| |
| u32 brcmf_dbg_level = WL_DBG_ERR; |
| |
| #define WL_4329_FW_FILE "brcm/bcm4329-fullmac-4.bin" |
| #define WL_4329_NVRAM_FILE "brcm/bcm4329-fullmac-4.txt" |
| |
| /* |
| ** cfg80211_ops api/callback list |
| */ |
| static s32 wl_cfg80211_change_iface(struct wiphy *wiphy, |
| struct net_device *ndev, |
| enum nl80211_iftype type, u32 *flags, |
| struct vif_params *params); |
| static s32 __wl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, |
| struct cfg80211_scan_request *request, |
| struct cfg80211_ssid *this_ssid); |
| static s32 wl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, |
| struct cfg80211_scan_request *request); |
| static s32 wl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed); |
| static s32 wl_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
| struct cfg80211_ibss_params *params); |
| static s32 wl_cfg80211_leave_ibss(struct wiphy *wiphy, |
| struct net_device *dev); |
| static s32 wl_cfg80211_get_station(struct wiphy *wiphy, |
| struct net_device *dev, u8 *mac, |
| struct station_info *sinfo); |
| static s32 wl_cfg80211_set_power_mgmt(struct wiphy *wiphy, |
| struct net_device *dev, bool enabled, |
| s32 timeout); |
| static s32 wl_cfg80211_set_bitrate_mask(struct wiphy *wiphy, |
| struct net_device *dev, |
| const u8 *addr, |
| const struct cfg80211_bitrate_mask |
| *mask); |
| static int wl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, |
| struct cfg80211_connect_params *sme); |
| static s32 wl_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, |
| u16 reason_code); |
| static s32 wl_cfg80211_set_tx_power(struct wiphy *wiphy, |
| enum nl80211_tx_power_setting type, |
| s32 dbm); |
| static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm); |
| static s32 wl_cfg80211_config_default_key(struct wiphy *wiphy, |
| struct net_device *dev, u8 key_idx, |
| bool unicast, bool multicast); |
| static s32 wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
| u8 key_idx, bool pairwise, const u8 *mac_addr, |
| struct key_params *params); |
| static s32 wl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *dev, |
| u8 key_idx, bool pairwise, const u8 *mac_addr); |
| static s32 wl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
| u8 key_idx, bool pairwise, const u8 *mac_addr, |
| void *cookie, void (*callback) (void *cookie, |
| struct |
| key_params * |
| params)); |
| static s32 wl_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, |
| struct net_device *dev, |
| u8 key_idx); |
| static s32 wl_cfg80211_resume(struct wiphy *wiphy); |
| static s32 wl_cfg80211_suspend(struct wiphy *wiphy, |
| struct cfg80211_wowlan *wow); |
| 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); |
| /* |
| ** 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 void wl_lock_eq(struct wl_priv *wl); |
| static void wl_unlock_eq(struct wl_priv *wl); |
| static void wl_init_eq_lock(struct wl_priv *wl); |
| static void wl_init_eloop_handler(struct wl_event_loop *el); |
| static struct wl_event_q *wl_deq_event(struct wl_priv *wl); |
| static s32 wl_enq_event(struct wl_priv *wl, u32 type, |
| const brcmf_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(struct wl_priv *wl, |
| struct net_device *ndev, |
| const brcmf_event_msg_t *e, void *data); |
| static s32 wl_notify_roaming_status(struct wl_priv *wl, |
| struct net_device *ndev, |
| const brcmf_event_msg_t *e, void *data); |
| static s32 wl_notify_scan_status(struct wl_priv *wl, struct net_device *ndev, |
| const brcmf_event_msg_t *e, void *data); |
| static s32 wl_bss_connect_done(struct wl_priv *wl, struct net_device *ndev, |
| const brcmf_event_msg_t *e, void *data, |
| bool completed); |
| static s32 wl_bss_roaming_done(struct wl_priv *wl, struct net_device *ndev, |
| const brcmf_event_msg_t *e, void *data); |
| static s32 wl_notify_mic_status(struct wl_priv *wl, struct net_device *ndev, |
| const brcmf_event_msg_t *e, void *data); |
| |
| /* |
| ** register/deregister sdio function |
| */ |
| struct sdio_func *wl_cfg80211_get_sdio_func(void); |
| static void wl_clear_sdio_func(void); |
| |
| /* |
| ** ioctl utilites |
| */ |
| static s32 wl_dev_bufvar_get(struct net_device *dev, s8 *name, s8 *buf, |
| s32 buf_len); |
| static __used s32 wl_dev_bufvar_set(struct net_device *dev, s8 *name, |
| s8 *buf, s32 len); |
| static s32 wl_dev_intvar_set(struct net_device *dev, s8 *name, s32 val); |
| static s32 wl_dev_intvar_get(struct net_device *dev, s8 *name, |
| s32 *retval); |
| static s32 wl_dev_ioctl(struct net_device *dev, u32 cmd, void *arg, |
| u32 len); |
| |
| /* |
| ** 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, const brcmf_event_msg_t *e, |
| void *data, s32 item); |
| static void *wl_read_prof(struct wl_priv *wl, s32 item); |
| static void wl_init_prof(struct wl_profile *prof); |
| |
| /* |
| ** cfg80211 connect utilites |
| */ |
| static s32 wl_set_wpa_version(struct net_device *dev, |
| struct cfg80211_connect_params *sme); |
| static s32 wl_set_auth_type(struct net_device *dev, |
| struct cfg80211_connect_params *sme); |
| static s32 wl_set_set_cipher(struct net_device *dev, |
| struct cfg80211_connect_params *sme); |
| static s32 wl_set_key_mgmt(struct net_device *dev, |
| struct cfg80211_connect_params *sme); |
| static s32 wl_set_set_sharedkey(struct net_device *dev, |
| struct cfg80211_connect_params *sme); |
| static s32 wl_get_assoc_ies(struct wl_priv *wl); |
| static void wl_clear_assoc_ies(struct wl_priv *wl); |
| static void wl_ch_to_chanspec(int ch, |
| struct wl_join_params *join_params, size_t *join_params_size); |
| |
| /* |
| ** information element utilities |
| */ |
| static __used s32 wl_add_ie(struct wl_priv *wl, u8 t, u8 l, u8 *v); |
| static s32 wl_mode_to_nl80211_iftype(s32 mode); |
| static struct wireless_dev *wl_alloc_wdev(s32 sizeof_iface, |
| struct device *dev); |
| static void wl_free_wdev(struct wl_priv *wl); |
| 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); |
| 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); |
| |
| /* |
| ** store/restore cfg80211 instance data |
| */ |
| static void wl_set_drvdata(struct wl_dev *dev, void *data); |
| static void *wl_get_drvdata(struct wl_dev *dev); |
| |
| /* |
| ** ibss mode utilities |
| */ |
| static bool wl_is_ibssmode(struct wl_priv *wl); |
| |
| /* |
| ** dongle up/down , default configuration utilities |
| */ |
| static bool wl_is_linkdown(struct wl_priv *wl, const brcmf_event_msg_t *e); |
| static bool wl_is_linkup(struct wl_priv *wl, const brcmf_event_msg_t *e); |
| static bool wl_is_nonetwork(struct wl_priv *wl, const brcmf_event_msg_t *e); |
| static void wl_link_down(struct wl_priv *wl); |
| static s32 wl_dongle_mode(struct net_device *ndev, s32 iftype); |
| static s32 __wl_cfg80211_up(struct wl_priv *wl); |
| static s32 __wl_cfg80211_down(struct wl_priv *wl); |
| static s32 wl_dongle_probecap(struct wl_priv *wl); |
| static void wl_init_conf(struct wl_conf *conf); |
| |
| /* |
| ** dongle configuration utilities |
| */ |
| static s32 wl_dongle_eventmsg(struct net_device *ndev); |
| static s32 wl_dongle_scantime(struct net_device *ndev, s32 scan_assoc_time, |
| s32 scan_unassoc_time, s32 scan_passive_time); |
| static s32 wl_config_dongle(struct wl_priv *wl, bool need_lock); |
| static s32 wl_dongle_roam(struct net_device *ndev, u32 roamvar, |
| u32 bcn_timeout); |
| |
| /* |
| ** iscan handler |
| */ |
| static void wl_iscan_timer(unsigned long data); |
| static void wl_term_iscan(struct wl_priv *wl); |
| static s32 wl_init_iscan(struct wl_priv *wl); |
| static s32 wl_iscan_thread(void *data); |
| static s32 wl_dev_iovar_setbuf(struct net_device *dev, s8 *iovar, |
| void *param, s32 paramlen, void *bufptr, |
| s32 buflen); |
| static s32 wl_dev_iovar_getbuf(struct net_device *dev, s8 *iovar, |
| void *param, s32 paramlen, void *bufptr, |
| s32 buflen); |
| static s32 wl_run_iscan(struct wl_iscan_ctrl *iscan, struct wlc_ssid *ssid, |
| u16 action); |
| static s32 wl_do_iscan(struct wl_priv *wl); |
| 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_eloop(struct wl_iscan_eloop *el); |
| 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); |
| |
| /* |
| ** fw/nvram downloading handler |
| */ |
| static void wl_init_fw(struct wl_fw_ctrl *fw); |
| |
| /* |
| * find most significant bit set |
| */ |
| static __used u32 wl_find_msb(u16 bit16); |
| |
| /* |
| * update pmklist to dongle |
| */ |
| static __used s32 wl_update_pmklist(struct net_device *dev, |
| struct wl_pmk_list *pmk_list, s32 err); |
| |
| static void wl_set_mpc(struct net_device *ndev, int mpc); |
| |
| /* |
| * debufs support |
| */ |
| static int wl_debugfs_add_netdev_params(struct wl_priv *wl); |
| static void wl_debugfs_remove_netdev(struct wl_priv *wl); |
| |
| #define WL_PRIV_GET() \ |
| ({ \ |
| struct wl_iface *ci = wl_get_drvdata(wl_cfg80211_dev); \ |
| if (unlikely(!ci)) { \ |
| WL_ERR("wl_cfg80211_dev is unavailable\n"); \ |
| BUG(); \ |
| } \ |
| ci_to_wl(ci); \ |
| }) |
| |
| #define CHECK_SYS_UP() \ |
| do { \ |
| struct wl_priv *wl = wiphy_to_wl(wiphy); \ |
| if (unlikely(!test_bit(WL_STATUS_READY, &wl->status))) { \ |
| WL_INFO("device is not ready : status (%d)\n", \ |
| (int)wl->status); \ |
| return -EIO; \ |
| } \ |
| } while (0) |
| |
| #define CHAN2G(_channel, _freq, _flags) { \ |
| .band = IEEE80211_BAND_2GHZ, \ |
| .center_freq = (_freq), \ |
| .hw_value = (_channel), \ |
| .flags = (_flags), \ |
| .max_antenna_gain = 0, \ |
| .max_power = 30, \ |
| } |
| |
| #define CHAN5G(_channel, _flags) { \ |
| .band = IEEE80211_BAND_5GHZ, \ |
| .center_freq = 5000 + (5 * (_channel)), \ |
| .hw_value = (_channel), \ |
| .flags = (_flags), \ |
| .max_antenna_gain = 0, \ |
| .max_power = 30, \ |
| } |
| |
| #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2) |
| #define RATETAB_ENT(_rateid, _flags) \ |
| { \ |
| .bitrate = RATE_TO_BASE100KBPS(_rateid), \ |
| .hw_value = (_rateid), \ |
| .flags = (_flags), \ |
| } |
| |
| static struct ieee80211_rate __wl_rates[] = { |
| RATETAB_ENT(WLC_RATE_1M, 0), |
| RATETAB_ENT(WLC_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE), |
| RATETAB_ENT(WLC_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE), |
| RATETAB_ENT(WLC_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE), |
| RATETAB_ENT(WLC_RATE_6M, 0), |
| RATETAB_ENT(WLC_RATE_9M, 0), |
| RATETAB_ENT(WLC_RATE_12M, 0), |
| RATETAB_ENT(WLC_RATE_18M, 0), |
| RATETAB_ENT(WLC_RATE_24M, 0), |
| RATETAB_ENT(WLC_RATE_36M, 0), |
| RATETAB_ENT(WLC_RATE_48M, 0), |
| RATETAB_ENT(WLC_RATE_54M, 0), |
| }; |
| |
| #define wl_a_rates (__wl_rates + 4) |
| #define wl_a_rates_size 8 |
| #define wl_g_rates (__wl_rates + 0) |
| #define wl_g_rates_size 12 |
| |
| static struct ieee80211_channel __wl_2ghz_channels[] = { |
| CHAN2G(1, 2412, 0), |
| CHAN2G(2, 2417, 0), |
| CHAN2G(3, 2422, 0), |
| CHAN2G(4, 2427, 0), |
| CHAN2G(5, 2432, 0), |
| CHAN2G(6, 2437, 0), |
| CHAN2G(7, 2442, 0), |
| CHAN2G(8, 2447, 0), |
| CHAN2G(9, 2452, 0), |
| CHAN2G(10, 2457, 0), |
| CHAN2G(11, 2462, 0), |
| CHAN2G(12, 2467, 0), |
| CHAN2G(13, 2472, 0), |
| CHAN2G(14, 2484, 0), |
| }; |
| |
| static struct ieee80211_channel __wl_5ghz_a_channels[] = { |
| CHAN5G(34, 0), CHAN5G(36, 0), |
| CHAN5G(38, 0), CHAN5G(40, 0), |
| CHAN5G(42, 0), CHAN5G(44, 0), |
| CHAN5G(46, 0), CHAN5G(48, 0), |
| CHAN5G(52, 0), CHAN5G(56, 0), |
| CHAN5G(60, 0), CHAN5G(64, 0), |
| CHAN5G(100, 0), CHAN5G(104, 0), |
| CHAN5G(108, 0), CHAN5G(112, 0), |
| CHAN5G(116, 0), CHAN5G(120, 0), |
| CHAN5G(124, 0), CHAN5G(128, 0), |
| CHAN5G(132, 0), CHAN5G(136, 0), |
| CHAN5G(140, 0), CHAN5G(149, 0), |
| CHAN5G(153, 0), CHAN5G(157, 0), |
| CHAN5G(161, 0), CHAN5G(165, 0), |
| CHAN5G(184, 0), CHAN5G(188, 0), |
| CHAN5G(192, 0), CHAN5G(196, 0), |
| CHAN5G(200, 0), CHAN5G(204, 0), |
| CHAN5G(208, 0), CHAN5G(212, 0), |
| CHAN5G(216, 0), |
| }; |
| |
| static struct ieee80211_channel __wl_5ghz_n_channels[] = { |
| CHAN5G(32, 0), 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(50, 0), |
| CHAN5G(52, 0), CHAN5G(54, 0), |
| CHAN5G(56, 0), CHAN5G(58, 0), |
| CHAN5G(60, 0), CHAN5G(62, 0), |
| CHAN5G(64, 0), CHAN5G(66, 0), |
| CHAN5G(68, 0), CHAN5G(70, 0), |
| CHAN5G(72, 0), CHAN5G(74, 0), |
| CHAN5G(76, 0), CHAN5G(78, 0), |
| CHAN5G(80, 0), CHAN5G(82, 0), |
| CHAN5G(84, 0), CHAN5G(86, 0), |
| CHAN5G(88, 0), CHAN5G(90, 0), |
| CHAN5G(92, 0), CHAN5G(94, 0), |
| CHAN5G(96, 0), CHAN5G(98, 0), |
| CHAN5G(100, 0), CHAN5G(102, 0), |
| CHAN5G(104, 0), CHAN5G(106, 0), |
| CHAN5G(108, 0), CHAN5G(110, 0), |
| CHAN5G(112, 0), CHAN5G(114, 0), |
| CHAN5G(116, 0), CHAN5G(118, 0), |
| CHAN5G(120, 0), CHAN5G(122, 0), |
| CHAN5G(124, 0), CHAN5G(126, 0), |
| CHAN5G(128, 0), CHAN5G(130, 0), |
| CHAN5G(132, 0), CHAN5G(134, 0), |
| CHAN5G(136, 0), CHAN5G(138, 0), |
| CHAN5G(140, 0), CHAN5G(142, 0), |
| CHAN5G(144, 0), CHAN5G(145, 0), |
| CHAN5G(146, 0), CHAN5G(147, 0), |
| CHAN5G(148, 0), CHAN5G(149, 0), |
| CHAN5G(150, 0), CHAN5G(151, 0), |
| CHAN5G(152, 0), CHAN5G(153, 0), |
| CHAN5G(154, 0), CHAN5G(155, 0), |
| CHAN5G(156, 0), CHAN5G(157, 0), |
| CHAN5G(158, 0), CHAN5G(159, 0), |
| CHAN5G(160, 0), CHAN5G(161, 0), |
| CHAN5G(162, 0), CHAN5G(163, 0), |
| CHAN5G(164, 0), CHAN5G(165, 0), |
| CHAN5G(166, 0), CHAN5G(168, 0), |
| CHAN5G(170, 0), CHAN5G(172, 0), |
| CHAN5G(174, 0), CHAN5G(176, 0), |
| CHAN5G(178, 0), CHAN5G(180, 0), |
| CHAN5G(182, 0), CHAN5G(184, 0), |
| CHAN5G(186, 0), CHAN5G(188, 0), |
| CHAN5G(190, 0), CHAN5G(192, 0), |
| CHAN5G(194, 0), CHAN5G(196, 0), |
| CHAN5G(198, 0), CHAN5G(200, 0), |
| CHAN5G(202, 0), CHAN5G(204, 0), |
| CHAN5G(206, 0), CHAN5G(208, 0), |
| CHAN5G(210, 0), CHAN5G(212, 0), |
| CHAN5G(214, 0), CHAN5G(216, 0), |
| CHAN5G(218, 0), CHAN5G(220, 0), |
| CHAN5G(222, 0), CHAN5G(224, 0), |
| CHAN5G(226, 0), CHAN5G(228, 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 struct ieee80211_supported_band __wl_band_5ghz_n = { |
| .band = IEEE80211_BAND_5GHZ, |
| .channels = __wl_5ghz_n_channels, |
| .n_channels = ARRAY_SIZE(__wl_5ghz_n_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, |
| }; |
| |
| static void swap_key_from_BE(struct wl_wsec_key *key) |
| { |
| key->index = cpu_to_le32(key->index); |
| key->len = cpu_to_le32(key->len); |
| key->algo = cpu_to_le32(key->algo); |
| key->flags = cpu_to_le32(key->flags); |
| key->rxiv.hi = cpu_to_le32(key->rxiv.hi); |
| key->rxiv.lo = cpu_to_le16(key->rxiv.lo); |
| key->iv_initialized = cpu_to_le32(key->iv_initialized); |
| } |
| |
| static void swap_key_to_BE(struct wl_wsec_key *key) |
| { |
| key->index = le32_to_cpu(key->index); |
| key->len = le32_to_cpu(key->len); |
| key->algo = le32_to_cpu(key->algo); |
| key->flags = le32_to_cpu(key->flags); |
| key->rxiv.hi = le32_to_cpu(key->rxiv.hi); |
| key->rxiv.lo = le16_to_cpu(key->rxiv.lo); |
| key->iv_initialized = le32_to_cpu(key->iv_initialized); |
| } |
| |
| static s32 |
| wl_dev_ioctl(struct net_device *dev, u32 cmd, void *arg, u32 len) |
| { |
| struct ifreq ifr; |
| struct wl_ioctl ioc; |
| mm_segment_t fs; |
| s32 err = 0; |
| |
| memset(&ioc, 0, sizeof(ioc)); |
| ioc.cmd = cmd; |
| ioc.buf = arg; |
| ioc.len = len; |
| strcpy(ifr.ifr_name, dev->name); |
| ifr.ifr_data = (caddr_t)&ioc; |
| |
| fs = get_fs(); |
| set_fs(get_ds()); |
| err = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, SIOCDEVPRIVATE); |
| set_fs(fs); |
| |
| return err; |
| } |
| |
| static s32 |
| wl_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, |
| enum nl80211_iftype type, u32 *flags, |
| struct vif_params *params) |
| { |
| struct wl_priv *wl = wiphy_to_wl(wiphy); |
| struct wireless_dev *wdev; |
| s32 infra = 0; |
| s32 err = 0; |
| |
| WL_TRACE("Enter\n"); |
| CHECK_SYS_UP(); |
| |
| switch (type) { |
| case NL80211_IFTYPE_MONITOR: |
| case NL80211_IFTYPE_WDS: |
| WL_ERR("type (%d) : currently we do not support this type\n", |
| type); |
| return -EOPNOTSUPP; |
| case NL80211_IFTYPE_ADHOC: |
| wl->conf->mode = WL_MODE_IBSS; |
| infra = 0; |
| break; |
| case NL80211_IFTYPE_STATION: |
| wl->conf->mode = WL_MODE_BSS; |
| infra = 1; |
| break; |
| default: |
| err = -EINVAL; |
| goto done; |
| } |
| |
| infra = cpu_to_le32(infra); |
| err = wl_dev_ioctl(ndev, BRCMF_C_SET_INFRA, &infra, sizeof(infra)); |
| if (unlikely(err)) { |
| WL_ERR("WLC_SET_INFRA error (%d)\n", err); |
| err = -EAGAIN; |
| } else { |
| wdev = ndev->ieee80211_ptr; |
| wdev->iftype = type; |
| } |
| |
| WL_INFO("IF Type = %s\n", |
| (wl->conf->mode == WL_MODE_IBSS) ? "Adhoc" : "Infra"); |
| |
| done: |
| WL_TRACE("Exit\n"); |
| |
| return err; |
| } |
| |
| static void wl_iscan_prep(struct wl_scan_params *params, struct wlc_ssid *ssid) |
| { |
| memcpy(params->bssid, ether_bcast, ETH_ALEN); |
| 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; |
| |
| params->nprobes = cpu_to_le32(params->nprobes); |
| params->active_time = cpu_to_le32(params->active_time); |
| params->passive_time = cpu_to_le32(params->passive_time); |
| params->home_time = cpu_to_le32(params->home_time); |
| if (ssid && ssid->SSID_len) |
| memcpy(¶ms->ssid, ssid, sizeof(wlc_ssid_t)); |
| |
| } |
| |
| static s32 |
| wl_dev_iovar_setbuf(struct net_device *dev, s8 * iovar, void *param, |
| s32 paramlen, void *bufptr, s32 buflen) |
| { |
| s32 iolen; |
| |
| iolen = brcmu_mkiovar(iovar, param, paramlen, bufptr, buflen); |
| BUG_ON(!iolen); |
| |
| return wl_dev_ioctl(dev, BRCMF_C_SET_VAR, bufptr, iolen); |
| } |
| |
| static s32 |
| wl_dev_iovar_getbuf(struct net_device *dev, s8 * iovar, void *param, |
| s32 paramlen, void *bufptr, s32 buflen) |
| { |
| s32 iolen; |
| |
| iolen = brcmu_mkiovar(iovar, param, paramlen, bufptr, buflen); |
| BUG_ON(!iolen); |
| |
| return wl_dev_ioctl(dev, BRCMF_C_GET_VAR, bufptr, buflen); |
| } |
| |
| static s32 |
| wl_run_iscan(struct wl_iscan_ctrl *iscan, struct wlc_ssid *ssid, u16 action) |
| { |
| s32 params_size = |
| (WL_SCAN_PARAMS_FIXED_SIZE + offsetof(wl_iscan_params_t, params)); |
| struct wl_iscan_params *params; |
| s32 err = 0; |
| |
| if (ssid && ssid->SSID_len) |
| params_size += sizeof(struct wlc_ssid); |
| params = kzalloc(params_size, GFP_KERNEL); |
| if (unlikely(!params)) |
| return -ENOMEM; |
| BUG_ON(params_size >= BRCMF_C_IOCTL_SMLEN); |
| |
| wl_iscan_prep(¶ms->params, ssid); |
| |
| params->version = cpu_to_le32(ISCAN_REQ_VERSION); |
| params->action = cpu_to_le16(action); |
| params->scan_duration = cpu_to_le16(0); |
| |
| /* params_size += offsetof(wl_iscan_params_t, params); */ |
| err = wl_dev_iovar_setbuf(iscan->dev, "iscan", params, params_size, |
| iscan->ioctl_buf, BRCMF_C_IOCTL_SMLEN); |
| if (unlikely(err)) { |
| if (err == -EBUSY) { |
| WL_INFO("system busy : iscan canceled\n"); |
| } else { |
| WL_ERR("error (%d)\n", err); |
| } |
| } |
| kfree(params); |
| return err; |
| } |
| |
| static s32 wl_do_iscan(struct wl_priv *wl) |
| { |
| struct wl_iscan_ctrl *iscan = wl_to_iscan(wl); |
| struct net_device *ndev = wl_to_ndev(wl); |
| struct wlc_ssid ssid; |
| s32 passive_scan; |
| s32 err = 0; |
| |
| /* Broadcast scan by default */ |
| memset(&ssid, 0, sizeof(ssid)); |
| |
| iscan->state = WL_ISCAN_STATE_SCANING; |
| |
| passive_scan = wl->active_scan ? 0 : 1; |
| err = wl_dev_ioctl(wl_to_ndev(wl), BRCMF_C_SET_PASSIVE_SCAN, |
| &passive_scan, sizeof(passive_scan)); |
| if (unlikely(err)) { |
| WL_ERR("error (%d)\n", err); |
| return err; |
| } |
| wl_set_mpc(ndev, 0); |
| wl->iscan_kickstart = true; |
| wl_run_iscan(iscan, &ssid, WL_SCAN_ACTION_START); |
| mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); |
| iscan->timer_on = 1; |
| |
| 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 = ndev_to_wl(ndev); |
| struct cfg80211_ssid *ssids; |
| struct wl_scan_req *sr = wl_to_sr(wl); |
| s32 passive_scan; |
| bool iscan_req; |
| bool spec_scan; |
| s32 err = 0; |
| |
| if (unlikely(test_bit(WL_STATUS_SCANNING, &wl->status))) { |
| WL_ERR("Scanning already : status (%d)\n", (int)wl->status); |
| return -EAGAIN; |
| } |
| if (unlikely(test_bit(WL_STATUS_SCAN_ABORTING, &wl->status))) { |
| WL_ERR("Scanning being aborted : status (%d)\n", |
| (int)wl->status); |
| return -EAGAIN; |
| } |
| if (test_bit(WL_STATUS_CONNECTING, &wl->status)) { |
| WL_ERR("Connecting : status (%d)\n", |
| (int)wl->status); |
| return -EAGAIN; |
| } |
| |
| iscan_req = false; |
| spec_scan = false; |
| if (request) { |
| /* scan bss */ |
| ssids = request->ssids; |
| if (wl->iscan_on && (!ssids || !ssids->ssid_len)) |
| iscan_req = true; |
| } else { |
| /* scan in ibss */ |
| /* we don't do iscan in ibss */ |
| ssids = this_ssid; |
| } |
| |
| wl->scan_request = request; |
| set_bit(WL_STATUS_SCANNING, &wl->status); |
| if (iscan_req) { |
| err = wl_do_iscan(wl); |
| if (likely(!err)) |
| return err; |
| else |
| goto scan_out; |
| } else { |
| WL_SCAN("ssid \"%s\", ssid_len (%d)\n", |
| ssids->ssid, ssids->ssid_len); |
| 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 = cpu_to_le32(sr->ssid.SSID_len); |
| spec_scan = true; |
| } else { |
| WL_SCAN("Broadcast scan\n"); |
| } |
| |
| passive_scan = wl->active_scan ? 0 : 1; |
| err = wl_dev_ioctl(ndev, BRCMF_C_SET_PASSIVE_SCAN, |
| &passive_scan, sizeof(passive_scan)); |
| if (unlikely(err)) { |
| WL_ERR("WLC_SET_PASSIVE_SCAN error (%d)\n", err); |
| goto scan_out; |
| } |
| wl_set_mpc(ndev, 0); |
| err = wl_dev_ioctl(ndev, BRCMF_C_SCAN, &sr->ssid, |
| sizeof(sr->ssid)); |
| if (err) { |
| if (err == -EBUSY) { |
| WL_INFO("system busy : scan for \"%s\" canceled\n", |
| sr->ssid.SSID); |
| } else { |
| WL_ERR("WLC_SCAN error (%d)\n", err); |
| } |
| wl_set_mpc(ndev, 1); |
| goto scan_out; |
| } |
| } |
| |
| return 0; |
| |
| scan_out: |
| clear_bit(WL_STATUS_SCANNING, &wl->status); |
| wl->scan_request = NULL; |
| return err; |
| } |
| |
| static s32 |
| wl_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, |
| struct cfg80211_scan_request *request) |
| { |
| s32 err = 0; |
| |
| WL_TRACE("Enter\n"); |
| |
| CHECK_SYS_UP(); |
| |
| err = __wl_cfg80211_scan(wiphy, ndev, request, NULL); |
| if (unlikely(err)) |
| WL_ERR("scan error (%d)\n", err); |
| |
| WL_TRACE("Exit\n"); |
| return err; |
| } |
| |
| static s32 wl_dev_intvar_set(struct net_device *dev, s8 *name, s32 val) |
| { |
| s8 buf[BRCMF_C_IOCTL_SMLEN]; |
| u32 len; |
| s32 err = 0; |
| |
| val = cpu_to_le32(val); |
| len = brcmu_mkiovar(name, (char *)(&val), sizeof(val), buf, |
| sizeof(buf)); |
| BUG_ON(!len); |
| |
| err = wl_dev_ioctl(dev, BRCMF_C_SET_VAR, buf, len); |
| if (unlikely(err)) |
| WL_ERR("error (%d)\n", err); |
| |
| return err; |
| } |
| |
| static s32 |
| wl_dev_intvar_get(struct net_device *dev, s8 *name, s32 *retval) |
| { |
| union { |
| s8 buf[BRCMF_C_IOCTL_SMLEN]; |
| s32 val; |
| } var; |
| u32 len; |
| u32 data_null; |
| s32 err = 0; |
| |
| len = |
| brcmu_mkiovar(name, (char *)(&data_null), 0, (char *)(&var), |
| sizeof(var.buf)); |
| BUG_ON(!len); |
| err = wl_dev_ioctl(dev, BRCMF_C_GET_VAR, &var, len); |
| if (unlikely(err)) |
| WL_ERR("error (%d)\n", err); |
| |
| *retval = le32_to_cpu(var.val); |
| |
| return err; |
| } |
| |
| static s32 wl_set_rts(struct net_device *dev, u32 rts_threshold) |
| { |
| s32 err = 0; |
| |
| err = wl_dev_intvar_set(dev, "rtsthresh", rts_threshold); |
| if (unlikely(err)) |
| WL_ERR("Error (%d)\n", err); |
| |
| return err; |
| } |
| |
| static s32 wl_set_frag(struct net_device *dev, u32 frag_threshold) |
| { |
| s32 err = 0; |
| |
| err = wl_dev_intvar_set(dev, "fragthresh", frag_threshold); |
| if (unlikely(err)) |
| WL_ERR("Error (%d)\n", 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 = cpu_to_le32(retry); |
| err = wl_dev_ioctl(dev, cmd, &retry, sizeof(retry)); |
| 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 = wiphy_to_wl(wiphy); |
| struct net_device *ndev = wl_to_ndev(wl); |
| s32 err = 0; |
| |
| WL_TRACE("Enter\n"); |
| CHECK_SYS_UP(); |
| |
| 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) |
| goto done; |
| } |
| 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) |
| goto done; |
| } |
| 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) |
| goto done; |
| } |
| 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) |
| goto done; |
| } |
| |
| done: |
| WL_TRACE("Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| wl_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
| struct cfg80211_ibss_params *params) |
| { |
| struct wl_priv *wl = wiphy_to_wl(wiphy); |
| struct wl_join_params join_params; |
| size_t join_params_size = 0; |
| s32 err = 0; |
| s32 wsec = 0; |
| s32 bcnprd; |
| |
| WL_TRACE("Enter\n"); |
| CHECK_SYS_UP(); |
| |
| if (params->ssid) |
| WL_CONN("SSID: %s\n", params->ssid); |
| else { |
| WL_CONN("SSID: NULL, Not supported\n"); |
| return -EOPNOTSUPP; |
| } |
| |
| set_bit(WL_STATUS_CONNECTING, &wl->status); |
| |
| if (params->bssid) |
| WL_CONN("BSSID: %02X %02X %02X %02X %02X %02X\n", |
| params->bssid[0], params->bssid[1], params->bssid[2], |
| params->bssid[3], params->bssid[4], params->bssid[5]); |
| else |
| WL_CONN("No BSSID specified\n"); |
| |
| if (params->channel) |
| WL_CONN("channel: %d\n", params->channel->center_freq); |
| else |
| WL_CONN("no channel specified\n"); |
| |
| if (params->channel_fixed) |
| WL_CONN("fixed channel required\n"); |
| else |
| WL_CONN("no fixed channel required\n"); |
| |
| if (params->ie && params->ie_len) |
| WL_CONN("ie len: %d\n", params->ie_len); |
| else |
| WL_CONN("no ie specified\n"); |
| |
| if (params->beacon_interval) |
| WL_CONN("beacon interval: %d\n", params->beacon_interval); |
| else |
| WL_CONN("no beacon interval specified\n"); |
| |
| if (params->basic_rates) |
| WL_CONN("basic rates: %08X\n", params->basic_rates); |
| else |
| WL_CONN("no basic rates specified\n"); |
| |
| if (params->privacy) |
| WL_CONN("privacy required\n"); |
| else |
| WL_CONN("no privacy required\n"); |
| |
| /* Configure Privacy for starter */ |
| if (params->privacy) |
| wsec |= WEP_ENABLED; |
| |
| err = wl_dev_intvar_set(dev, "wsec", wsec); |
| if (unlikely(err)) { |
| WL_ERR("wsec failed (%d)\n", err); |
| goto done; |
| } |
| |
| /* Configure Beacon Interval for starter */ |
| if (params->beacon_interval) |
| bcnprd = cpu_to_le32(params->beacon_interval); |
| else |
| bcnprd = cpu_to_le32(100); |
| |
| err = wl_dev_ioctl(dev, WLC_SET_BCNPRD, &bcnprd, sizeof(bcnprd)); |
| if (unlikely(err)) { |
| WL_ERR("WLC_SET_BCNPRD failed (%d)\n", err); |
| goto done; |
| } |
| |
| /* Configure required join parameter */ |
| memset(&join_params, 0, sizeof(wl_join_params_t)); |
| |
| /* SSID */ |
| join_params.ssid.SSID_len = |
| (params->ssid_len > 32) ? 32 : params->ssid_len; |
| memcpy(join_params.ssid.SSID, params->ssid, join_params.ssid.SSID_len); |
| join_params.ssid.SSID_len = cpu_to_le32(join_params.ssid.SSID_len); |
| join_params_size = sizeof(join_params.ssid); |
| wl_update_prof(wl, NULL, &join_params.ssid, WL_PROF_SSID); |
| |
| /* BSSID */ |
| if (params->bssid) { |
| memcpy(join_params.params.bssid, params->bssid, ETH_ALEN); |
| join_params_size = |
| sizeof(join_params.ssid) + WL_ASSOC_PARAMS_FIXED_SIZE; |
| } else { |
| memcpy(join_params.params.bssid, ether_bcast, ETH_ALEN); |
| } |
| wl_update_prof(wl, NULL, &join_params.params.bssid, WL_PROF_BSSID); |
| |
| /* Channel */ |
| if (params->channel) { |
| u32 target_channel; |
| |
| wl->channel = |
| ieee80211_frequency_to_channel( |
| params->channel->center_freq); |
| if (params->channel_fixed) { |
| /* adding chanspec */ |
| wl_ch_to_chanspec(wl->channel, |
| &join_params, &join_params_size); |
| } |
| |
| /* set channel for starter */ |
| target_channel = cpu_to_le32(wl->channel); |
| err = wl_dev_ioctl(dev, WLC_SET_CHANNEL, |
| &target_channel, sizeof(target_channel)); |
| if (unlikely(err)) { |
| WL_ERR("WLC_SET_CHANNEL failed (%d)\n", err); |
| goto done; |
| } |
| } else |
| wl->channel = 0; |
| |
| wl->ibss_starter = false; |
| |
| |
| err = wl_dev_ioctl(dev, BRCMF_C_SET_SSID, |
| &join_params, join_params_size); |
| if (unlikely(err)) { |
| WL_ERR("WLC_SET_SSID failed (%d)\n", err); |
| goto done; |
| } |
| |
| done: |
| if (err) |
| clear_bit(WL_STATUS_CONNECTING, &wl->status); |
| WL_TRACE("Exit\n"); |
| return err; |
| } |
| |
| static s32 wl_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) |
| { |
| struct wl_priv *wl = wiphy_to_wl(wiphy); |
| s32 err = 0; |
| |
| WL_TRACE("Enter\n"); |
| CHECK_SYS_UP(); |
| |
| wl_link_down(wl); |
| |
| WL_TRACE("Exit\n"); |
| |
| return err; |
| } |
| |
| static s32 |
| wl_set_wpa_version(struct net_device *dev, struct cfg80211_connect_params *sme) |
| { |
| struct wl_priv *wl = ndev_to_wl(dev); |
| struct wl_security *sec; |
| s32 val = 0; |
| s32 err = 0; |
| |
| if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) |
| val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED; |
| else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) |
| val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED; |
| else |
| val = WPA_AUTH_DISABLED; |
| WL_CONN("setting wpa_auth to 0x%0x\n", val); |
| err = wl_dev_intvar_set(dev, "wpa_auth", val); |
| if (unlikely(err)) { |
| WL_ERR("set wpa_auth failed (%d)\n", err); |
| return err; |
| } |
| sec = wl_read_prof(wl, WL_PROF_SEC); |
| sec->wpa_versions = sme->crypto.wpa_versions; |
| return err; |
| } |
| |
| static s32 |
| wl_set_auth_type(struct net_device *dev, struct cfg80211_connect_params *sme) |
| { |
| struct wl_priv *wl = ndev_to_wl(dev); |
| struct wl_security *sec; |
| s32 val = 0; |
| s32 err = 0; |
| |
| switch (sme->auth_type) { |
| case NL80211_AUTHTYPE_OPEN_SYSTEM: |
| val = 0; |
| WL_CONN("open system\n"); |
| break; |
| case NL80211_AUTHTYPE_SHARED_KEY: |
| val = 1; |
| WL_CONN("shared key\n"); |
| break; |
| case NL80211_AUTHTYPE_AUTOMATIC: |
| val = 2; |
| WL_CONN("automatic\n"); |
| break; |
| case NL80211_AUTHTYPE_NETWORK_EAP: |
| WL_CONN("network eap\n"); |
| default: |
| val = 2; |
| WL_ERR("invalid auth type (%d)\n", sme->auth_type); |
| break; |
| } |
| |
| err = wl_dev_intvar_set(dev, "auth", val); |
| if (unlikely(err)) { |
| WL_ERR("set auth failed (%d)\n", err); |
| return err; |
| } |
| sec = wl_read_prof(wl, 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 = ndev_to_wl(dev); |
| struct wl_security *sec; |
| s32 pval = 0; |
| s32 gval = 0; |
| s32 err = 0; |
| |
| if (sme->crypto.n_ciphers_pairwise) { |
| switch (sme->crypto.ciphers_pairwise[0]) { |
| case WLAN_CIPHER_SUITE_WEP40: |
| case WLAN_CIPHER_SUITE_WEP104: |
| pval = WEP_ENABLED; |
| break; |
| case WLAN_CIPHER_SUITE_TKIP: |
| pval = TKIP_ENABLED; |
| break; |
| case WLAN_CIPHER_SUITE_CCMP: |
| pval = AES_ENABLED; |
| break; |
| case WLAN_CIPHER_SUITE_AES_CMAC: |
| pval = AES_ENABLED; |
| break; |
| default: |
| WL_ERR("invalid cipher pairwise (%d)\n", |
| sme->crypto.ciphers_pairwise[0]); |
| return -EINVAL; |
| } |
| } |
| if (sme->crypto.cipher_group) { |
| switch (sme->crypto.cipher_group) { |
| case WLAN_CIPHER_SUITE_WEP40: |
| case WLAN_CIPHER_SUITE_WEP104: |
| gval = WEP_ENABLED; |
| break; |
| case WLAN_CIPHER_SUITE_TKIP: |
| gval = TKIP_ENABLED; |
| break; |
| case WLAN_CIPHER_SUITE_CCMP: |
| gval = AES_ENABLED; |
| break; |
| case WLAN_CIPHER_SUITE_AES_CMAC: |
| gval = AES_ENABLED; |
| break; |
| default: |
| WL_ERR("invalid cipher group (%d)\n", |
| sme->crypto.cipher_group); |
| return -EINVAL; |
| } |
| } |
| |
| WL_CONN("pval (%d) gval (%d)\n", pval, gval); |
| err = wl_dev_intvar_set(dev, "wsec", pval | gval); |
| if (unlikely(err)) { |
| WL_ERR("error (%d)\n", err); |
| return err; |
| } |
| |
| sec = wl_read_prof(wl, 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 = ndev_to_wl(dev); |
| struct wl_security *sec; |
| s32 val = 0; |
| s32 err = 0; |
| |
| if (sme->crypto.n_akm_suites) { |
| err = wl_dev_intvar_get(dev, "wpa_auth", &val); |
| if (unlikely(err)) { |
| WL_ERR("could not get wpa_auth (%d)\n", err); |
| return err; |
| } |
| if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) { |
| switch (sme->crypto.akm_suites[0]) { |
| case WLAN_AKM_SUITE_8021X: |
| val = WPA_AUTH_UNSPECIFIED; |
| break; |
| case WLAN_AKM_SUITE_PSK: |
| val = WPA_AUTH_PSK; |
| break; |
| default: |
| WL_ERR("invalid cipher group (%d)\n", |
| sme->crypto.cipher_group); |
| return -EINVAL; |
| } |
| } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) { |
| switch (sme->crypto.akm_suites[0]) { |
| case WLAN_AKM_SUITE_8021X: |
| val = WPA2_AUTH_UNSPECIFIED; |
| break; |
| case WLAN_AKM_SUITE_PSK: |
| val = WPA2_AUTH_PSK; |
| break; |
| default: |
| WL_ERR("invalid cipher group (%d)\n", |
| sme->crypto.cipher_group); |
| return -EINVAL; |
| } |
| } |
| |
| WL_CONN("setting wpa_auth to %d\n", val); |
| err = wl_dev_intvar_set(dev, "wpa_auth", val); |
| if (unlikely(err)) { |
| WL_ERR("could not set wpa_auth (%d)\n", err); |
| return err; |
| } |
| } |
| sec = wl_read_prof(wl, 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 = ndev_to_wl(dev); |
| struct wl_security *sec; |
| struct wl_wsec_key key; |
| s32 val; |
| s32 err = 0; |
| |
| WL_CONN("key len (%d)\n", sme->key_len); |
| if (sme->key_len) { |
| sec = wl_read_prof(wl, WL_PROF_SEC); |
| WL_CONN("wpa_versions 0x%x cipher_pairwise 0x%x\n", |
| sec->wpa_versions, sec->cipher_pairwise); |
| if (! |
| (sec->wpa_versions & (NL80211_WPA_VERSION_1 | |
| NL80211_WPA_VERSION_2)) |
| && (sec->cipher_pairwise & (WLAN_CIPHER_SUITE_WEP40 | |
| WLAN_CIPHER_SUITE_WEP104))) { |
| memset(&key, 0, sizeof(key)); |
| key.len = (u32) sme->key_len; |
| key.index = (u32) sme->key_idx; |
| if (unlikely(key.len > sizeof(key.data))) { |
| WL_ERR("Too long key length (%u)\n", key.len); |
| return -EINVAL; |
| } |
| memcpy(key.data, sme->key, key.len); |
| key.flags = WL_PRIMARY_KEY; |
| switch (sec->cipher_pairwise) { |
| case WLAN_CIPHER_SUITE_WEP40: |
| key.algo = CRYPTO_ALGO_WEP1; |
| break; |
| case WLAN_CIPHER_SUITE_WEP104: |
| key.algo = CRYPTO_ALGO_WEP128; |
| break; |
| default: |
| WL_ERR("Invalid algorithm (%d)\n", |
| sme->crypto.ciphers_pairwise[0]); |
| return -EINVAL; |
| } |
| /* Set the new key/index */ |
| WL_CONN("key length (%d) key index (%d) algo (%d)\n", |
| key.len, key.index, key.algo); |
| WL_CONN("key \"%s\"\n", key.data); |
| swap_key_from_BE(&key); |
| err = wl_dev_ioctl(dev, BRCMF_C_SET_KEY, &key, |
| sizeof(key)); |
| if (unlikely(err)) { |
| WL_ERR("WLC_SET_KEY error (%d)\n", err); |
| return err; |
| } |
| if (sec->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) { |
| WL_CONN("set auth_type to shared key\n"); |
| val = 1; /* shared key */ |
| err = wl_dev_intvar_set(dev, "auth", val); |
| if (unlikely(err)) { |
| WL_ERR("set auth failed (%d)\n", err); |
| return err; |
| } |
| } |
| } |
| } |
| return err; |
| } |
| |
| static s32 |
| wl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, |
| struct cfg80211_connect_params *sme) |
| { |
| struct wl_priv *wl = wiphy_to_wl(wiphy); |
| struct ieee80211_channel *chan = sme->channel; |
| struct wl_join_params join_params; |
| size_t join_params_size; |
| |
| s32 err = 0; |
| |
| WL_TRACE("Enter\n"); |
| CHECK_SYS_UP(); |
| |
| if (unlikely(!sme->ssid)) { |
| WL_ERR("Invalid ssid\n"); |
| return -EOPNOTSUPP; |
| } |
| |
| set_bit(WL_STATUS_CONNECTING, &wl->status); |
| |
| if (chan) { |
| wl->channel = |
| ieee80211_frequency_to_channel(chan->center_freq); |
| WL_CONN("channel (%d), center_req (%d)\n", |
| wl->channel, chan->center_freq); |
| } else |
| wl->channel = 0; |
| |
| WL_INFO("ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len); |
| |
| err = wl_set_wpa_version(dev, sme); |
| if (err) { |
| WL_ERR("wl_set_wpa_version failed (%d)\n", err); |
| goto done; |
| } |
| |
| err = wl_set_auth_type(dev, sme); |
| if (err) { |
| WL_ERR("wl_set_auth_type failed (%d)\n", err); |
| goto done; |
| } |
| |
| err = wl_set_set_cipher(dev, sme); |
| if (err) { |
| WL_ERR("wl_set_set_cipher failed (%d)\n", err); |
| goto done; |
| } |
| |
| err = wl_set_key_mgmt(dev, sme); |
| if (err) { |
| WL_ERR("wl_set_key_mgmt failed (%d)\n", err); |
| goto done; |
| } |
| |
| err = wl_set_set_sharedkey(dev, sme); |
| if (err) { |
| WL_ERR("wl_set_set_sharedkey failed (%d)\n", err); |
| goto done; |
| } |
| |
| wl_update_prof(wl, NULL, sme->bssid, WL_PROF_BSSID); |
| /* |
| ** Join with specific BSSID and cached SSID |
| ** If SSID is zero join based on BSSID only |
| */ |
| 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 = cpu_to_le32(join_params.ssid.SSID_len); |
| wl_update_prof(wl, NULL, &join_params.ssid, WL_PROF_SSID); |
| |
| if (sme->bssid) |
| memcpy(join_params.params.bssid, sme->bssid, ETH_ALEN); |
| else |
| memcpy(join_params.params.bssid, ether_bcast, ETH_ALEN); |
| |
| if (join_params.ssid.SSID_len < IEEE80211_MAX_SSID_LEN) { |
| WL_CONN("ssid \"%s\", len (%d)\n", |
| join_params.ssid.SSID, join_params.ssid.SSID_len); |
| } |
| |
| wl_ch_to_chanspec(wl->channel, &join_params, &join_params_size); |
| err = wl_dev_ioctl(dev, BRCMF_C_SET_SSID, |
| &join_params, join_params_size); |
| if (err) |
| WL_ERR("WLC_SET_SSID failed (%d)\n", err); |
| |
| done: |
| if (err) |
| clear_bit(WL_STATUS_CONNECTING, &wl->status); |
| WL_TRACE("Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| wl_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, |
| u16 reason_code) |
| { |
| struct wl_priv *wl = wiphy_to_wl(wiphy); |
| scb_val_t scbval; |
| s32 err = 0; |
| |
| WL_TRACE("Enter. Reason code = %d\n", reason_code); |
| CHECK_SYS_UP(); |
| |
| clear_bit(WL_STATUS_CONNECTED, &wl->status); |
| |
| scbval.val = reason_code; |
| memcpy(&scbval.ea, wl_read_prof(wl, WL_PROF_BSSID), ETH_ALEN); |
| scbval.val = cpu_to_le32(scbval.val); |
| err = wl_dev_ioctl(dev, BRCMF_C_DISASSOC, &scbval, |
| sizeof(scb_val_t)); |
| if (unlikely(err)) |
| WL_ERR("error (%d)\n", err); |
| |
| wl->link_up = false; |
| |
| WL_TRACE("Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| wl_cfg80211_set_tx_power(struct wiphy *wiphy, |
| enum nl80211_tx_power_setting type, s32 dbm) |
| { |
| |
| struct wl_priv *wl = wiphy_to_wl(wiphy); |
| struct net_device *ndev = wl_to_ndev(wl); |
| u16 txpwrmw; |
| s32 err = 0; |
| s32 disable = 0; |
| |
| WL_TRACE("Enter\n"); |
| CHECK_SYS_UP(); |
| |
| switch (type) { |
| case NL80211_TX_POWER_AUTOMATIC: |
| break; |
| case NL80211_TX_POWER_LIMITED: |
| if (dbm < 0) { |
| WL_ERR("TX_POWER_LIMITED - dbm is negative\n"); |
| err = -EINVAL; |
| goto done; |
| } |
| break; |
| case NL80211_TX_POWER_FIXED: |
| if (dbm < 0) { |
| WL_ERR("TX_POWER_FIXED - dbm is negative\n"); |
| err = -EINVAL; |
| goto done; |
| } |
| break; |
| } |
| /* Make sure radio is off or on as far as software is concerned */ |
| disable = WL_RADIO_SW_DISABLE << 16; |
| disable = cpu_to_le32(disable); |
| err = wl_dev_ioctl(ndev, BRCMF_C_SET_RADIO, &disable, sizeof(disable)); |
| if (unlikely(err)) |
| WL_ERR("WLC_SET_RADIO error (%d)\n", err); |
| |
| if (dbm > 0xffff) |
| txpwrmw = 0xffff; |
| else |
| txpwrmw = (u16) dbm; |
| err = wl_dev_intvar_set(ndev, "qtxpower", |
| (s32) (brcmu_mw_to_qdbm(txpwrmw))); |
| if (unlikely(err)) |
| WL_ERR("qtxpower error (%d)\n", err); |
| wl->conf->tx_power = dbm; |
| |
| done: |
| WL_TRACE("Exit\n"); |
| return err; |
| } |
| |
| static s32 wl_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm) |
| { |
| struct wl_priv *wl = wiphy_to_wl(wiphy); |
| struct net_device *ndev = wl_to_ndev(wl); |
| s32 txpwrdbm; |
| u8 result; |
| s32 err = 0; |
| |
| WL_TRACE("Enter\n"); |
| CHECK_SYS_UP(); |
| |
| err = wl_dev_intvar_get(ndev, "qtxpower", &txpwrdbm); |
| if (unlikely(err)) { |
| WL_ERR("error (%d)\n", err); |
| goto done; |
| } |
| |
| result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE); |
| *dbm = (s32) brcmu_qdbm_to_mw(result); |
| |
| done: |
| WL_TRACE("Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| wl_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *dev, |
| u8 key_idx, bool unicast, bool multicast) |
| { |
| u32 index; |
| s32 wsec; |
| s32 err = 0; |
| |
| WL_TRACE("Enter\n"); |
| WL_CONN("key index (%d)\n", key_idx); |
| CHECK_SYS_UP(); |
| |
| err = wl_dev_ioctl(dev, BRCMF_C_GET_WSEC, &wsec, sizeof(wsec)); |
| if (unlikely(err)) { |
| WL_ERR("WLC_GET_WSEC error (%d)\n", err); |
| goto done; |
| } |
| |
| wsec = le32_to_cpu(wsec); |
| if (wsec & WEP_ENABLED) { |
| /* Just select a new current key */ |
| index = (u32) key_idx; |
| index = cpu_to_le32(index); |
| err = wl_dev_ioctl(dev, BRCMF_C_SET_KEY_PRIMARY, &index, |
| sizeof(index)); |
| if (unlikely(err)) |
| WL_ERR("error (%d)\n", err); |
| } |
| done: |
| WL_TRACE("Exit\n"); |
| 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_wsec_key key; |
| s32 err = 0; |
| |
| memset(&key, 0, sizeof(key)); |
| key.index = (u32) key_idx; |
| /* Instead of bcast for ea address for default wep keys, |
| driver needs it to be Null */ |
| if (!is_multicast_ether_addr(mac_addr)) |
| memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN); |
| key.len = (u32) params->key_len; |
| /* check for key index change */ |
| if (key.len == 0) { |
| /* key delete */ |
| swap_key_from_BE(&key); |
| err = wl_dev_ioctl(dev, BRCMF_C_SET_KEY, &key, sizeof(key)); |
| 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_CONN("Setting the key index %d\n", key.index); |
| memcpy(key.data, params->key, key.len); |
| |
| if (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_CONN("WLAN_CIPHER_SUITE_WEP40\n"); |
| break; |
| case WLAN_CIPHER_SUITE_WEP104: |
| key.algo = CRYPTO_ALGO_WEP128; |
| WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); |
| break; |
| case WLAN_CIPHER_SUITE_TKIP: |
| key.algo = CRYPTO_ALGO_TKIP; |
| WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); |
| break; |
| case WLAN_CIPHER_SUITE_AES_CMAC: |
| key.algo = CRYPTO_ALGO_AES_CCM; |
| WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); |
| break; |
| case WLAN_CIPHER_SUITE_CCMP: |
| key.algo = CRYPTO_ALGO_AES_CCM; |
| WL_CONN("WLAN_CIPHER_SUITE_CCMP\n"); |
| break; |
| default: |
| WL_ERR("Invalid cipher (0x%x)\n", params->cipher); |
| return -EINVAL; |
| } |
| swap_key_from_BE(&key); |
| |
| brcmf_netdev_wait_pend8021x(dev); |
| err = wl_dev_ioctl(dev, BRCMF_C_SET_KEY, &key, sizeof(key)); |
| 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; |
| s32 wsec; |
| s32 err = 0; |
| u8 keybuf[8]; |
| |
| WL_TRACE("Enter\n"); |
| WL_CONN("key index (%d)\n", key_idx); |
| CHECK_SYS_UP(); |
| |
| if (mac_addr) { |
| WL_TRACE("Exit"); |
| return wl_add_keyext(wiphy, dev, key_idx, mac_addr, params); |
| } |
| 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); |
| err = -EINVAL; |
| goto done; |
| } |
| 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; |
| WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); |
| break; |
| case WLAN_CIPHER_SUITE_WEP104: |
| key.algo = CRYPTO_ALGO_WEP128; |
| WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); |
| break; |
| case WLAN_CIPHER_SUITE_TKIP: |
| memcpy(keybuf, &key.data[24], sizeof(keybuf)); |
| memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); |
| memcpy(&key.data[16], keybuf, sizeof(keybuf)); |
| key.algo = CRYPTO_ALGO_TKIP; |
| WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); |
| break; |
| case WLAN_CIPHER_SUITE_AES_CMAC: |
| key.algo = CRYPTO_ALGO_AES_CCM; |
| WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); |
| break; |
| case WLAN_CIPHER_SUITE_CCMP: |
| key.algo = CRYPTO_ALGO_AES_CCM; |
| WL_CONN("WLAN_CIPHER_SUITE_CCMP\n"); |
| break; |
| default: |
| WL_ERR("Invalid cipher (0x%x)\n", params->cipher); |
| err = -EINVAL; |
| goto done; |
| } |
| |
| /* Set the new key/index */ |
| swap_key_from_BE(&key); |
| err = wl_dev_ioctl(dev, BRCMF_C_SET_KEY, &key, sizeof(key)); |
| if (unlikely(err)) { |
| WL_ERR("WLC_SET_KEY error (%d)\n", err); |
| goto done; |
| } |
| |
| val = WEP_ENABLED; |
| err = wl_dev_intvar_get(dev, "wsec", &wsec); |
| if (unlikely(err)) { |
| WL_ERR("get wsec error (%d)\n", err); |
| goto done; |
| } |
| wsec &= ~(WEP_ENABLED); |
| wsec |= val; |
| err = wl_dev_intvar_set(dev, "wsec", wsec); |
| if (unlikely(err)) { |
| WL_ERR("set wsec error (%d)\n", err); |
| goto done; |
| } |
| |
| val = 1; /* assume shared key. otherwise 0 */ |
| val = cpu_to_le32(val); |
| err = wl_dev_ioctl(dev, BRCMF_C_SET_AUTH, &val, sizeof(val)); |
| if (unlikely(err)) |
| WL_ERR("WLC_SET_AUTH error (%d)\n", err); |
| done: |
| WL_TRACE("Exit\n"); |
| 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; |
| s32 err = 0; |
| s32 val; |
| s32 wsec; |
| |
| WL_TRACE("Enter\n"); |
| CHECK_SYS_UP(); |
| memset(&key, 0, sizeof(key)); |
| |
| key.index = (u32) key_idx; |
| key.flags = WL_PRIMARY_KEY; |
| key.algo = CRYPTO_ALGO_OFF; |
| |
| WL_CONN("key index (%d)\n", key_idx); |
| /* Set the new key/index */ |
| swap_key_from_BE(&key); |
| err = wl_dev_ioctl(dev, BRCMF_C_SET_KEY, &key, sizeof(key)); |
| if (unlikely(err)) { |
| if (err == -EINVAL) { |
| if (key.index >= DOT11_MAX_DEFAULT_KEYS) |
| /* we ignore this key index in this case */ |
| WL_ERR("invalid key index (%d)\n", key_idx); |
| } else |
| WL_ERR("WLC_SET_KEY error (%d)\n", err); |
| |
| /* Ignore this error, may happen during DISASSOC */ |
| err = -EAGAIN; |
| goto done; |
| } |
| |
| val = 0; |
| err = wl_dev_intvar_get(dev, "wsec", &wsec); |
| if (unlikely(err)) { |
| WL_ERR("get wsec error (%d)\n", err); |
| /* Ignore this error, may happen during DISASSOC */ |
| err = -EAGAIN; |
| goto done; |
| } |
| wsec &= ~(WEP_ENABLED); |
| wsec |= val; |
| err = wl_dev_intvar_set(dev, "wsec", wsec); |
| if (unlikely(err)) { |
| WL_ERR("set wsec error (%d)\n", err); |
| /* Ignore this error, may happen during DISASSOC */ |
| err = -EAGAIN; |
| goto done; |
| } |
| |
| val = 0; /* assume open key. otherwise 1 */ |
| val = cpu_to_le32(val); |
| err = wl_dev_ioctl(dev, BRCMF_C_SET_AUTH, &val, sizeof(val)); |
| if (unlikely(err)) { |
| WL_ERR("WLC_SET_AUTH error (%d)\n", err); |
| /* Ignore this error, may happen during DISASSOC */ |
| err = -EAGAIN; |
| } |
| done: |
| WL_TRACE("Exit\n"); |
| 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_to_wl(wiphy); |
| struct wl_security *sec; |
| s32 wsec; |
| s32 err = 0; |
| |
| WL_TRACE("Enter\n"); |
| WL_CONN("key index (%d)\n", key_idx); |
| CHECK_SYS_UP(); |
| |
| 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, WLAN_MAX_KEY_LEN, key.len); |
| memcpy(params.key, key.data, params.key_len); |
| |
| err = wl_dev_ioctl(dev, BRCMF_C_GET_WSEC, &wsec, sizeof(wsec)); |
| if (unlikely(err)) { |
| WL_ERR("WLC_GET_WSEC error (%d)\n", err); |
| /* Ignore this error, may happen during DISASSOC */ |
| err = -EAGAIN; |
| goto done; |
| } |
| wsec = le32_to_cpu(wsec); |
| switch (wsec) { |
| case WEP_ENABLED: |
| sec = wl_read_prof(wl, WL_PROF_SEC); |
| if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) { |
| params.cipher = WLAN_CIPHER_SUITE_WEP40; |
| WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); |
| } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) { |
| params.cipher = WLAN_CIPHER_SUITE_WEP104; |
| WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); |
| } |
| break; |
| case TKIP_ENABLED: |
| params.cipher = WLAN_CIPHER_SUITE_TKIP; |
| WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); |
| break; |
| case AES_ENABLED: |
| params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; |
| WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); |
| break; |
| default: |
| WL_ERR("Invalid algo (0x%x)\n", wsec); |
| err = -EINVAL; |
| goto done; |
| } |
| callback(cookie, ¶ms); |
| |
| done: |
| WL_TRACE("Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| wl_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, |
| struct net_device *dev, u8 key_idx) |
| { |
| WL_INFO("Not supported\n"); |
| |
| CHECK_SYS_UP(); |
| 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_to_wl(wiphy); |
| scb_val_t scb_val; |
| int rssi; |
| s32 rate; |
| s32 err = 0; |
| u8 *bssid = wl_read_prof(wl, WL_PROF_BSSID); |
| |
| WL_TRACE("Enter\n"); |
| CHECK_SYS_UP(); |
| |
| if (unlikely |
| (memcmp(mac, bssid, ETH_ALEN))) { |
| WL_ERR("Wrong Mac address cfg_mac-%X:%X:%X:%X:%X:%X" |
| "wl_bssid-%X:%X:%X:%X:%X:%X\n", |
| mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], |
| bssid[0], bssid[1], bssid[2], bssid[3], |
| bssid[4], bssid[5]); |
| err = -ENOENT; |
| goto done; |
| } |
| |
| /* Report the current tx rate */ |
| err = wl_dev_ioctl(dev, BRCMF_C_GET_RATE, &rate, sizeof(rate)); |
| if (err) { |
| WL_ERR("Could not get rate (%d)\n", err); |
| } else { |
| rate = le32_to_cpu(rate); |
| sinfo->filled |= STATION_INFO_TX_BITRATE; |
| sinfo->txrate.legacy = rate * 5; |
| WL_CONN("Rate %d Mbps\n", rate / 2); |
| } |
| |
| if (test_bit(WL_STATUS_CONNECTED, &wl->status)) { |
| scb_val.val = 0; |
| err = wl_dev_ioctl(dev, BRCMF_C_GET_RSSI, &scb_val, |
| sizeof(scb_val_t)); |
| if (unlikely(err)) { |
| WL_ERR("Could not get rssi (%d)\n", err); |
| } |
| rssi = le32_to_cpu(scb_val.val); |
| sinfo->filled |= STATION_INFO_SIGNAL; |
| sinfo->signal = rssi; |
| WL_CONN("RSSI %d dBm\n", rssi); |
| } |
| |
| done: |
| WL_TRACE("Exit\n"); |
| 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; |
| |
| WL_TRACE("Enter\n"); |
| CHECK_SYS_UP(); |
| |
| pm = enabled ? PM_FAST : PM_OFF; |
| pm = cpu_to_le32(pm); |
| WL_INFO("power save %s\n", (pm ? "enabled" : "disabled")); |
| |
| err = wl_dev_ioctl(dev, BRCMF_C_SET_PM, &pm, sizeof(pm)); |
| if (unlikely(err)) { |
| if (err == -ENODEV) |
| WL_ERR("net_device is not ready yet\n"); |
| else |
| WL_ERR("error (%d)\n", err); |
| } |
| WL_TRACE("Exit\n"); |
| 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_set_bitrate_mask(struct wiphy *wiphy, struct net_device *dev, |
| const u8 *addr, |
| const struct cfg80211_bitrate_mask *mask) |
| { |
| struct wl_rateset rateset; |
| s32 rate; |
| s32 val; |
| s32 err_bg; |
| s32 err_a; |
| u32 legacy; |
| s32 err = 0; |
| |
| WL_TRACE("Enter\n"); |
| CHECK_SYS_UP(); |
| |
| /* addr param is always NULL. ignore it */ |
| /* Get current rateset */ |
| err = wl_dev_ioctl(dev, WLC_GET_CURR_RATESET, &rateset, |
| sizeof(rateset)); |
| if (unlikely(err)) { |
| WL_ERR("could not get current rateset (%d)\n", err); |
| goto done; |
| } |
| |
| rateset.count = le32_to_cpu(rateset.count); |
| |
| legacy = wl_find_msb(mask->control[IEEE80211_BAND_2GHZ].legacy); |
| if (!legacy) |
| legacy = wl_find_msb(mask->control[IEEE80211_BAND_5GHZ].legacy); |
| |
| val = wl_g_rates[legacy - 1].bitrate * 100000; |
| |
| if (val < rateset.count) |
| /* Select rate by rateset index */ |
| rate = rateset.rates[val] & 0x7f; |
| else |
| /* Specified rate in bps */ |
| rate = val / 500000; |
| |
| WL_CONN("rate %d mbps\n", rate / 2); |
| |
| /* |
| * |
| * Set rate override, |
| * Since the is a/b/g-blind, both a/bg_rate are enforced. |
| */ |
| err_bg = wl_dev_intvar_set(dev, "bg_rate", rate); |
| err_a = wl_dev_intvar_set(dev, "a_rate", rate); |
| if (unlikely(err_bg && err_a)) { |
| WL_ERR("could not set fixed rate (%d) (%d)\n", err_bg, err_a); |
| err = err_bg | err_a; |
| } |
| |
| done: |
| WL_TRACE("Exit\n"); |
| return err; |
| } |
| |
| static s32 wl_cfg80211_resume(struct wiphy *wiphy) |
| { |
| struct wl_priv *wl = wiphy_to_wl(wiphy); |
| struct net_device *ndev = wl_to_ndev(wl); |
| |
| /* |
| * Check for WL_STATUS_READY before any function call which |
| * could result is bus access. Don't block the resume for |
| * any driver error conditions |
| */ |
| WL_TRACE("Enter\n"); |
| |
| #if defined(CONFIG_PM_SLEEP) |
| atomic_set(&brcmf_mmc_suspend, false); |
| #endif /* defined(CONFIG_PM_SLEEP) */ |
| |
| if (test_bit(WL_STATUS_READY, &wl->status)) { |
| /* Turn on Watchdog timer */ |
| brcmf_netdev_os_wd_timer(ndev, brcmf_watchdog_ms); |
| wl_invoke_iscan(wiphy_to_wl(wiphy)); |
| } |
| |
| WL_TRACE("Exit\n"); |
| return 0; |
| } |
| |
| static s32 wl_cfg80211_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow) |
| { |
| struct wl_priv *wl = wiphy_to_wl(wiphy); |
| struct net_device *ndev = wl_to_ndev(wl); |
| |
| WL_TRACE("Enter\n"); |
| |
| /* |
| * Check for WL_STATUS_READY before any function call which |
| * could result is bus access. Don't block the suspend for |
| * any driver error conditions |
| */ |
| |
| /* |
| * While going to suspend if associated with AP disassociate |
| * from AP to save power while system is in suspended state |
| */ |
| if ((test_bit(WL_STATUS_CONNECTED, &wl->status) || |
| test_bit(WL_STATUS_CONNECTING, &wl->status)) && |
| test_bit(WL_STATUS_READY, &wl->status)) { |
| WL_INFO("Disassociating from AP" |
| " while entering suspend state\n"); |
| wl_link_down(wl); |
| |
| /* |
| * Make sure WPA_Supplicant receives all the event |
| * generated due to DISASSOC call to the fw to keep |
| * the state fw and WPA_Supplicant state consistent |
| */ |
| rtnl_unlock(); |
| wl_delay(500); |
| rtnl_lock(); |
| } |
| |
| set_bit(WL_STATUS_SCAN_ABORTING, &wl->status); |
| if (test_bit(WL_STATUS_READY, &wl->status)) |
| wl_term_iscan(wl); |
| |
| if (wl->scan_request) { |
| /* Indidate scan abort to cfg80211 layer */ |
| WL_INFO("Terminating scan in progress\n"); |
| cfg80211_scan_done(wl->scan_request, true); |
| wl->scan_request = NULL; |
| } |
| clear_bit(WL_STATUS_SCANNING, &wl->status); |
| clear_bit(WL_STATUS_SCAN_ABORTING, &wl->status); |
| |
| /* Inform SDIO stack not to switch off power to the chip */ |
| brcmf_sdioh_set_host_pm_flags(MMC_PM_KEEP_POWER); |
| |
| /* Turn off watchdog timer */ |
| if (test_bit(WL_STATUS_READY, &wl->status)) { |
| WL_INFO("Terminate watchdog timer and enable MPC\n"); |
| wl_set_mpc(ndev, 1); |
| brcmf_netdev_os_wd_timer(ndev, 0); |
| } |
| |
| #if defined(CONFIG_PM_SLEEP) |
| atomic_set(&brcmf_mmc_suspend, true); |
| #endif /* defined(CONFIG_PM_SLEEP) */ |
| |
| WL_TRACE("Exit\n"); |
| |
| return 0; |
| } |
| |
| static __used s32 |
| wl_update_pmklist(struct net_device *dev, struct wl_pmk_list *pmk_list, |
| s32 err) |
| { |
| int i, j; |
| |
| WL_CONN("No of elements %d\n", pmk_list->pmkids.npmkid); |
| for (i = 0; i < pmk_list->pmkids.npmkid; i++) { |
| WL_CONN("PMKID[%d]: %pM =\n", i, |
| &pmk_list->pmkids.pmkid[i].BSSID); |
| for (j = 0; j < WLAN_PMKID_LEN; j++) |
| WL_CONN("%02x\n", pmk_list->pmkids.pmkid[i].PMKID[j]); |
| } |
| |
| if (likely(!err)) |
| wl_dev_bufvar_set(dev, "pmkid_info", (char *)pmk_list, |
| sizeof(*pmk_list)); |
| |
| return err; |
| } |
| |
| static s32 |
| wl_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *dev, |
| struct cfg80211_pmksa *pmksa) |
| { |
| struct wl_priv *wl = wiphy_to_wl(wiphy); |
| s32 err = 0; |
| int i; |
| |
| WL_TRACE("Enter\n"); |
| CHECK_SYS_UP(); |
| |
| for (i = 0; i < wl->pmk_list->pmkids.npmkid; i++) |
| if (!memcmp(pmksa->bssid, &wl->pmk_list->pmkids.pmkid[i].BSSID, |
| ETH_ALEN)) |
| break; |
| if (i < WL_NUM_PMKIDS_MAX) { |
| memcpy(&wl->pmk_list->pmkids.pmkid[i].BSSID, pmksa->bssid, |
| ETH_ALEN); |
| memcpy(&wl->pmk_list->pmkids.pmkid[i].PMKID, pmksa->pmkid, |
| WLAN_PMKID_LEN); |
| if (i == wl->pmk_list->pmkids.npmkid) |
| wl->pmk_list->pmkids.npmkid++; |
| } else |
| err = -EINVAL; |
| |
| WL_CONN("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n", |
| &wl->pmk_list->pmkids.pmkid[wl->pmk_list->pmkids.npmkid].BSSID); |
| for (i = 0; i < WLAN_PMKID_LEN; i++) |
| WL_CONN("%02x\n", |
| wl->pmk_list->pmkids.pmkid[wl->pmk_list->pmkids.npmkid]. |
| PMKID[i]); |
| |
| err = wl_update_pmklist(dev, wl->pmk_list, err); |
| |
| WL_TRACE("Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| wl_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *dev, |
| struct cfg80211_pmksa *pmksa) |
| { |
| struct wl_priv *wl = wiphy_to_wl(wiphy); |
| struct _pmkid_list pmkid; |
| s32 err = 0; |
| int i; |
| |
| WL_TRACE("Enter\n"); |
| CHECK_SYS_UP(); |
| memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN); |
| memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN); |
| |
| WL_CONN("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n", |
| &pmkid.pmkid[0].BSSID); |
| for (i = 0; i < WLAN_PMKID_LEN; i++) |
| WL_CONN("%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, |
| ETH_ALEN)) |
| 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, |
| ETH_ALEN); |
| memcpy(&wl->pmk_list->pmkids.pmkid[i].PMKID, |
| &wl->pmk_list->pmkids.pmkid[i + 1].PMKID, |
| WLAN_PMKID_LEN); |
| } |
| wl->pmk_list->pmkids.npmkid--; |
| } else |
| err = -EINVAL; |
| |
| err = wl_update_pmklist(dev, wl->pmk_list, err); |
| |
| WL_TRACE("Exit\n"); |
| return err; |
| |
| } |
| |
| static s32 |
| wl_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *dev) |
| { |
| struct wl_priv *wl = wiphy_to_wl(wiphy); |
| s32 err = 0; |
| |
| WL_TRACE("Enter\n"); |
| CHECK_SYS_UP(); |
| |
| memset(wl->pmk_list, 0, sizeof(*wl->pmk_list)); |
| err = wl_update_pmklist(dev, wl->pmk_list, err); |
| |
| WL_TRACE("Exit\n"); |
| return err; |
| |
| } |
| |
| static struct cfg80211_ops wl_cfg80211_ops = { |
| .change_virtual_intf = wl_cfg80211_change_iface, |
| .scan = wl_cfg80211_scan, |
| .set_wiphy_params = wl_cfg80211_set_wiphy_params, |
| .join_ibss = wl_cfg80211_join_ibss, |
| .leave_ibss = wl_cfg80211_leave_ibss, |
| .get_station = wl_cfg80211_get_station, |
| .set_tx_power = wl_cfg80211_set_tx_power, |
| .get_tx_power = wl_cfg80211_get_tx_power, |
| .add_key = wl_cfg80211_add_key, |
| .del_key = wl_cfg80211_del_key, |
| .get_key = wl_cfg80211_get_key, |
| .set_default_key = wl_cfg80211_config_default_key, |
| .set_default_mgmt_key = wl_cfg80211_config_default_mgmt_key, |
| .set_power_mgmt = wl_cfg80211_set_power_mgmt, |
| .set_bitrate_mask = wl_cfg80211_set_bitrate_mask, |
| .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 |
| }; |
| |
| static 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; |
| default: |
| return NL80211_IFTYPE_UNSPECIFIED; |
| } |
| |
| return err; |
| } |
| |
| static struct wireless_dev *wl_alloc_wdev(s32 sizeof_iface, |
| struct device *dev) |
| { |
| struct wireless_dev *wdev; |
| s32 err = 0; |
| |
| wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); |
| if (unlikely(!wdev)) { |
| WL_ERR("Could not allocate wireless device\n"); |
| return ERR_PTR(-ENOMEM); |
| } |
| wdev->wiphy = |
| wiphy_new(&wl_cfg80211_ops, sizeof(struct wl_priv) + sizeof_iface); |
| if (unlikely(!wdev->wiphy)) { |
| WL_ERR("Couldn not allocate wiphy device\n"); |
| err = -ENOMEM; |
| goto wiphy_new_out; |
| } |
| set_wiphy_dev(wdev->wiphy, dev); |
| wdev->wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; |
| wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; |
| wdev->wiphy->interface_modes = |
| BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); |
| wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; |
| wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; /* Set |
| * it as 11a by default. |
| * This will be updated with |
| * 11n phy tables in |
| * "ifconfig up" |
| * if phy has 11n capability |
| */ |
| 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); |
| #ifndef WL_POWERSAVE_DISABLED |
| wdev->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; /* enable power |
| * save mode |
| * by default |
| */ |
| #else |
| wdev->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; |
| #endif /* !WL_POWERSAVE_DISABLED */ |
| err = wiphy_register(wdev->wiphy); |
| if (unlikely(err < 0)) { |
| WL_ERR("Couldn not register wiphy device (%d)\n", err); |
| goto wiphy_register_out; |
| } |
| return wdev; |
| |
| wiphy_register_out: |
| wiphy_free(wdev->wiphy); |
| |
| wiphy_new_out: |
| kfree(wdev); |
| |
| return ERR_PTR(err); |
| } |
| |
| static void wl_free_wdev(struct wl_priv *wl) |
| { |
| struct wireless_dev *wdev = wl_to_wdev(wl); |
| |
| if (unlikely(!wdev)) { |
| WL_ERR("wdev is invalid\n"); |
| return; |
| } |
| wiphy_unregister(wdev->wiphy); |
| wiphy_free(wdev->wiphy); |
| kfree(wdev); |
| wl_to_wdev(wl) = NULL; |
| } |
| |
| 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; |
| int i; |
| |
| bss_list = wl->bss_list; |
| if (unlikely(bss_list->version != WL_BSS_INFO_VERSION)) { |
| WL_ERR("Version %d != WL_BSS_INFO_VERSION\n", |
| bss_list->version); |
| return -EOPNOTSUPP; |
| } |
| WL_SCAN("scanned AP count (%d)\n", bss_list->count); |
| bi = next_bss(bss_list, bi); |
| for_each_bss(bss_list, bi, i) { |
| err = wl_inform_single_bss(wl, bi); |
| if (unlikely(err)) |
| break; |
| } |
| 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_channel *notify_channel; |
| struct cfg80211_bss *bss; |
| struct ieee80211_supported_band *band; |
| s32 err = 0; |
| u16 channel; |
| u32 freq; |
| u64 notify_timestamp; |
| u16 notify_capability; |
| u16 notify_interval; |
| u8 *notify_ie; |
| size_t notify_ielen; |
| s32 notify_signal; |
| |
| if (unlikely(le32_to_cpu(bi->length) > WL_BSS_INFO_MAX)) { |
| WL_ERR("Bss info is larger than buffer. Discarding\n"); |
| return 0; |
| } |
| |
| channel = bi->ctl_ch ? bi->ctl_ch : |
| CHSPEC_CHANNEL(le16_to_cpu(bi->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); |
| |
| notify_timestamp = jiffies_to_msecs(jiffies)*1000; /* uSec */ |
| notify_capability = le16_to_cpu(bi->capability); |
| notify_interval = le16_to_cpu(bi->beacon_period); |
| notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); |
| notify_ielen = le16_to_cpu(bi->ie_length); |
| notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; |
| |
| WL_CONN("bssid: %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n", |
| bi->BSSID[0], bi->BSSID[1], bi->BSSID[2], |
| bi->BSSID[3], bi->BSSID[4], bi->BSSID[5]); |
| WL_CONN("Channel: %d(%d)\n", channel, freq); |
| WL_CONN("Capability: %X\n", notify_capability); |
| WL_CONN("Beacon interval: %d\n", notify_interval); |
| WL_CONN("Signal: %d\n", notify_signal); |
| WL_CONN("notify_timestamp: %#018llx\n", notify_timestamp); |
| |
| bss = cfg80211_inform_bss(wiphy, notify_channel, (const u8 *)bi->BSSID, |
| notify_timestamp, notify_capability, notify_interval, notify_ie, |
| notify_ielen, notify_signal, GFP_KERNEL); |
| |
| if (unlikely(!bss)) { |
| WL_ERR("cfg80211_inform_bss_frame error\n"); |
| return -EINVAL; |
| } |
| |
| return err; |
| } |
| |
| static s32 |
| wl_inform_ibss(struct wl_priv *wl, struct net_device *dev, const u8 *bssid) |
| { |
| struct wiphy *wiphy = wl_to_wiphy(wl); |
| struct ieee80211_channel *notify_channel; |
| struct wl_bss_info *bi = NULL; |
| struct ieee80211_supported_band *band; |
| u8 *buf = NULL; |
| s32 err = 0; |
| u16 channel; |
| u32 freq; |
| u64 notify_timestamp; |
| u16 notify_capability; |
| u16 notify_interval; |
| u8 *notify_ie; |
| size_t notify_ielen; |
| s32 notify_signal; |
| |
| WL_TRACE("Enter\n"); |
| |
| buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); |
| if (buf == NULL) { |
| WL_ERR("kzalloc() failed\n"); |
| err = -ENOMEM; |
| goto CleanUp; |
| } |
| |
| *(u32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); |
| |
| err = wl_dev_ioctl(dev, BRCMF_C_GET_BSS_INFO, buf, WL_BSS_INFO_MAX); |
| if (unlikely(err)) { |
| WL_ERR("WLC_GET_BSS_INFO failed: %d\n", err); |
| goto CleanUp; |
| } |
| |
| bi = (wl_bss_info_t *)(buf + 4); |
| |
| channel = bi->ctl_ch ? bi->ctl_ch : |
| CHSPEC_CHANNEL(le16_to_cpu(bi->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); |
| |
| notify_timestamp = jiffies_to_msecs(jiffies)*1000; /* uSec */ |
| notify_capability = le16_to_cpu(bi->capability); |
| notify_interval = le16_to_cpu(bi->beacon_period); |
| notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); |
| notify_ielen = le16_to_cpu(bi->ie_length); |
| notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; |
| |
| WL_CONN("channel: %d(%d)\n", channel, freq); |
| WL_CONN("capability: %X\n", notify_capability); |
| WL_CONN("beacon interval: %d\n", notify_interval); |
| WL_CONN("signal: %d\n", notify_signal); |
| WL_CONN("notify_timestamp: %#018llx\n", notify_timestamp); |
| |
| cfg80211_inform_bss(wiphy, notify_channel, bssid, |
| notify_timestamp, notify_capability, notify_interval, |
| notify_ie, notify_ielen, notify_signal, GFP_KERNEL); |
| |
| CleanUp: |
| |
| kfree(buf); |
| |
| WL_TRACE("Exit\n"); |
| |
| return err; |
| } |
| |
| static bool wl_is_linkup(struct wl_priv *wl, const brcmf_event_msg_t *e) |
| { |
| u32 event = be32_to_cpu(e->event_type); |
| u32 status = be32_to_cpu(e->status); |
| |
| if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) { |
| WL_CONN("Processing set ssid\n"); |
| wl->link_up = true; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| static bool wl_is_linkdown(struct wl_priv *wl, const brcmf_event_msg_t *e) |
| { |
| u32 event = be32_to_cpu(e->event_type); |
| u16 flags = be16_to_cpu(e->flags); |
| |
| if (event == BRCMF_E_LINK && (!(flags & BRCMF_EVENT_MSG_LINK))) { |
| WL_CONN("Processing link down\n"); |
| return true; |
| } |
| return false; |
| } |
| |
| static bool wl_is_nonetwork(struct wl_priv *wl, const brcmf_event_msg_t *e) |
| { |
| u32 event = be32_to_cpu(e->event_type); |
| u32 status = be32_to_cpu(e->status); |
| |
| if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) { |
| WL_CONN("Processing Link %s & no network found\n", |
| be16_to_cpu(e->flags) & BRCMF_EVENT_MSG_LINK ? |
| "up" : "down"); |
| return true; |
| } |
| |
| if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) { |
| WL_CONN("Processing connecting & no network found\n"); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| static s32 |
| wl_notify_connect_status(struct wl_priv *wl, struct net_device *ndev, |
| const brcmf_event_msg_t *e, void *data) |
| { |
| s32 err = 0; |
| |
| if (wl_is_linkup(wl, e)) { |
| WL_CONN("Linkup\n"); |
| if (wl_is_ibssmode(wl)) { |
| wl_update_prof(wl, NULL, (void *)e->addr, |
| WL_PROF_BSSID); |
| wl_inform_ibss(wl, ndev, e->addr); |
| cfg80211_ibss_joined(ndev, e->addr, GFP_KERNEL); |
| clear_bit(WL_STATUS_CONNECTING, &wl->status); |
| set_bit(WL_STATUS_CONNECTED, &wl->status); |
| } else |
| wl_bss_connect_done(wl, ndev, e, data, true); |
| } else if (wl_is_linkdown(wl, e)) { |
| WL_CONN("Linkdown\n"); |
| if (wl_is_ibssmode(wl)) { |
| clear_bit(WL_STATUS_CONNECTING, &wl->status); |
| if (test_and_clear_bit(WL_STATUS_CONNECTED, |
| &wl->status)) |
| wl_link_down(wl); |
| } else { |
| wl_bss_connect_done(wl, ndev, e, data, false); |
| if (test_and_clear_bit(WL_STATUS_CONNECTED, |
| &wl->status)) { |
| cfg80211_disconnected(ndev, 0, NULL, 0, |
| GFP_KERNEL); |
| wl_link_down(wl); |
| } |
| } |
| wl_init_prof(wl->profile); |
| } else if (wl_is_nonetwork(wl, e)) { |
| if (wl_is_ibssmode(wl)) |
| clear_bit(WL_STATUS_CONNECTING, &wl->status); |
| else |
| wl_bss_connect_done(wl, ndev, e, data, false); |
| } |
| |
| return err; |
| } |
| |
| static s32 |
| wl_notify_roaming_status(struct wl_priv *wl, struct net_device *ndev, |
| const brcmf_event_msg_t *e, void *data) |
| { |
| s32 err = 0; |
| u32 event = be32_to_cpu(e->event_type); |
| u32 status = be32_to_cpu(e->status); |
| |
| if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) { |
| if (test_bit(WL_STATUS_CONNECTED, &wl->status)) |
| wl_bss_roaming_done(wl, ndev, e, data); |
| else |
| wl_bss_connect_done(wl, ndev, e, data, true); |
| } |
| |
| return err; |
| } |
| |
| static __used s32 |
| wl_dev_bufvar_set(struct net_device *dev, s8 *name, s8 *buf, s32 len) |
| { |
| struct wl_priv *wl = ndev_to_wl(dev); |
| u32 buflen; |
| |
| buflen = brcmu_mkiovar(name, buf, len, wl->ioctl_buf, WL_IOCTL_LEN_MAX); |
| BUG_ON(!buflen); |
| |
| return wl_dev_ioctl(dev, BRCMF_C_SET_VAR, wl->ioctl_buf, buflen); |
| } |
| |
| static s32 |
| wl_dev_bufvar_get(struct net_device *dev, s8 *name, s8 *buf, |
| s32 buf_len) |
| { |
| struct wl_priv *wl = ndev_to_wl(dev); |
| u32 len; |
| s32 err = 0; |
| |
| len = brcmu_mkiovar(name, NULL, 0, wl->ioctl_buf, WL_IOCTL_LEN_MAX); |
| BUG_ON(!len); |
| err = wl_dev_ioctl(dev, BRCMF_C_GET_VAR, (void *)wl->ioctl_buf, |
| WL_IOCTL_LEN_MAX); |
| if (unlikely(err)) { |
| WL_ERR("error (%d)\n", err); |
| return err; |
| } |
| memcpy(buf, wl->ioctl_buf, buf_len); |
| |
| return err; |
| } |
| |
| static s32 wl_get_assoc_ies(struct wl_priv *wl) |
| { |
| struct net_device *ndev = wl_to_ndev(wl); |
| struct wl_assoc_ielen *assoc_info; |
| struct wl_connect_info *conn_info = wl_to_conn(wl); |
| u32 req_len; |
| u32 resp_len; |
| s32 err = 0; |
| |
| wl_clear_assoc_ies(wl); |
| |
| err = wl_dev_bufvar_get(ndev, "assoc_info", wl->extra_buf, |
| WL_ASSOC_INFO_MAX); |
| if (unlikely(err)) { |
| WL_ERR("could not get assoc info (%d)\n", err); |
| return err; |
| } |
| assoc_info = (struct wl_assoc_ielen *)wl->extra_buf; |
| req_len = assoc_info->req_len; |
| resp_len = assoc_info->resp_len; |
| if (req_len) { |
| err = wl_dev_bufvar_get(ndev, "assoc_req_ies", wl->extra_buf, |
| WL_ASSOC_INFO_MAX); |
| if (unlikely(err)) { |
| WL_ERR("could not get assoc req (%d)\n", err); |
| return err; |
| } |
| conn_info->req_ie_len = req_len; |
| conn_info->req_ie = |
| kmemdup(wl->extra_buf, conn_info->req_ie_len, GFP_KERNEL); |
| } else { |
| conn_info->req_ie_len = 0; |
| conn_info->req_ie = NULL; |
| } |
| if (resp_len) { |
| err = wl_dev_bufvar_get(ndev, "assoc_resp_ies", wl->extra_buf, |
| WL_ASSOC_INFO_MAX); |
| if (unlikely(err)) { |
| WL_ERR("could not get assoc resp (%d)\n", err); |
| return err; |
| } |
| conn_info->resp_ie_len = resp_len; |
| conn_info->resp_ie = |
| kmemdup(wl->extra_buf, conn_info->resp_ie_len, GFP_KERNEL); |
| } else { |
| conn_info->resp_ie_len = 0; |
| conn_info->resp_ie = NULL; |
| } |
| WL_CONN("req len (%d) resp len (%d)\n", |
| conn_info->req_ie_len, conn_info->resp_ie_len); |
| |
| return err; |
| } |
| |
| static void wl_clear_assoc_ies(struct wl_priv *wl) |
| { |
| struct wl_connect_info *conn_info = wl_to_conn(wl); |
| |
| kfree(conn_info->req_ie); |
| conn_info->req_ie = NULL; |
| conn_info->req_ie_len = 0; |
| kfree(conn_info->resp_ie); |
| conn_info->resp_ie = NULL; |
| conn_info->resp_ie_len = 0; |
| } |
| |
| |
| 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] = |
| cpu_to_le16(join_params->params.chanspec_list[0]); |
| |
| join_params->params.chanspec_num = |
| cpu_to_le32(join_params->params.chanspec_num); |
| |
| WL_CONN("join_params->params.chanspec_list[0]= %#X," |
| "channel %d, chanspec %#X\n", |
| join_params->params.chanspec_list[0], ch, chanspec); |
| } |
| } |
| |
| static s32 wl_update_bss_info(struct wl_priv *wl) |
| { |
| struct wl_bss_info *bi; |
| struct wlc_ssid *ssid; |
| struct brcmu_tlv *tim; |
| u16 beacon_interval; |
| u8 dtim_period; |
| size_t ie_len; |
| u8 *ie; |
| s32 err = 0; |
| |
| WL_TRACE("Enter\n"); |
| if (wl_is_ibssmode(wl)) |
| return err; |
| |
| ssid = (struct wlc_ssid *)wl_read_prof(wl, WL_PROF_SSID); |
| |
| *(u32 *)wl->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX); |
| err = wl_dev_ioctl(wl_to_ndev(wl), BRCMF_C_GET_BSS_INFO, |
| wl->extra_buf, WL_EXTRA_BUF_MAX); |
| 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); |
| 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); |
| |
| tim = brcmu_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 to dongle. |
| */ |
| u32 var; |
| err = wl_dev_intvar_get(wl_to_ndev(wl), "dtim_assoc", &var); |
| if (unlikely(err)) { |
| WL_ERR("wl dtim_assoc failed (%d)\n", err); |
| goto update_bss_info_out; |
| } |
| dtim_period = (u8)var; |
| } |
| |
| wl_update_prof(wl, NULL, &beacon_interval, WL_PROF_BEACONINT); |
| wl_update_prof(wl, NULL, &dtim_period, WL_PROF_DTIMPERIOD); |
| |
| update_bss_info_out: |
| WL_TRACE("Exit"); |
| return err; |
| } |
| |
| static s32 |
| wl_bss_roaming_done(struct wl_priv *wl, struct net_device *ndev, |
| const brcmf_event_msg_t *e, void *data) |
| { |
| struct wl_connect_info *conn_info = wl_to_conn(wl); |
| s32 err = 0; |
| |
| WL_TRACE("Enter\n"); |
| |
| wl_get_assoc_ies(wl); |
| wl_update_prof(wl, NULL, &e->addr, WL_PROF_BSSID); |
| wl_update_bss_info(wl); |
| |
| cfg80211_roamed(ndev, NULL, |
| (u8 *)wl_read_prof(wl, WL_PROF_BSSID), |
| conn_info->req_ie, conn_info->req_ie_len, |
| conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL); |
| WL_CONN("Report roaming result\n"); |
| |
| set_bit(WL_STATUS_CONNECTED, &wl->status); |
| WL_TRACE("Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| wl_bss_connect_done(struct wl_priv *wl, struct net_device *ndev, |
| const brcmf_event_msg_t *e, void *data, bool completed) |
| { |
| struct wl_connect_info *conn_info = wl_to_conn(wl); |
| s32 err = 0; |
| |
| WL_TRACE("Enter\n"); |
| |
| if (test_and_clear_bit(WL_STATUS_CONNECTING, &wl->status)) { |
| if (completed) { |
| wl_get_assoc_ies(wl); |
| wl_update_prof(wl, NULL, &e->addr, WL_PROF_BSSID); |
| wl_update_bss_info(wl); |
| } |
| cfg80211_connect_result(ndev, |
| (u8 *)wl_read_prof(wl, WL_PROF_BSSID), |
| conn_info->req_ie, |
| conn_info->req_ie_len, |
| conn_info->resp_ie, |
| conn_info->resp_ie_len, |
| completed ? WLAN_STATUS_SUCCESS : WLAN_STATUS_AUTH_TIMEOUT, |
| GFP_KERNEL); |
| if (completed) |
| set_bit(WL_STATUS_CONNECTED, &wl->status); |
| WL_CONN("Report connect result - connection %s\n", |
| completed ? "succeeded" : "failed"); |
| } |
| WL_TRACE("Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| wl_notify_mic_status(struct wl_priv *wl, struct net_device *ndev, |
| const brcmf_event_msg_t *e, void *data) |
| { |
| u16 flags = be16_to_cpu(e->flags); |
| enum nl80211_key_type key_type; |
| |
| rtnl_lock(); |
| if (flags & BRCMF_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); |
| rtnl_unlock(); |
| |
| return 0; |
| } |
| |
| static s32 |
| wl_notify_scan_status(struct wl_priv *wl, struct net_device *ndev, |
| const brcmf_event_msg_t *e, void *data) |
| { |
| struct channel_info channel_inform; |
| struct wl_scan_results *bss_list; |
| u32 len = WL_SCAN_BUF_MAX; |
| s32 err = 0; |
| bool scan_abort = false; |
| |
| WL_TRACE("Enter\n"); |
| |
| if (wl->iscan_on && wl->iscan_kickstart) { |
| WL_TRACE("Exit\n"); |
| return wl_wakeup_iscan(wl_to_iscan(wl)); |
| } |
| |
| if (unlikely(!test_and_clear_bit(WL_STATUS_SCANNING, &wl->status))) { |
| WL_ERR("Scan complete while device not scanning\n"); |
| scan_abort = true; |
| err = -EINVAL; |
| goto scan_done_out; |
| } |
| |
| err = wl_dev_ioctl(ndev, BRCMF_C_GET_CHANNEL, &channel_inform, |
| sizeof(channel_inform)); |
| if (unlikely(err)) { |
| WL_ERR("scan busy (%d)\n", err); |
| scan_abort = true; |
| goto scan_done_out; |
| } |
| channel_inform.scan_channel = le32_to_cpu(channel_inform.scan_channel); |
| if (unlikely(channel_inform.scan_channel)) { |
| |
| WL_CONN("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 = cpu_to_le32(len); |
| |
| err = wl_dev_ioctl(ndev, BRCMF_C_SCAN_RESULTS, bss_list, len); |
| if (unlikely(err)) { |
| WL_ERR("%s Scan_results error (%d)\n", ndev->name, err); |
| err = -EINVAL; |
| scan_abort = true; |
| goto scan_done_out; |
| } |
| bss_list->buflen = le32_to_cpu(bss_list->buflen); |
| bss_list->version = le32_to_cpu(bss_list->version); |
| bss_list->count = le32_to_cpu(bss_list->count); |
| |
| err = wl_inform_bss(wl); |
| if (err) { |
| scan_abort = true; |
| goto scan_done_out; |
| } |
| |
| scan_done_out: |
| if (wl->scan_request) { |
| WL_SCAN("calling cfg80211_scan_done\n"); |
| cfg80211_scan_done(wl->scan_request, scan_abort); |
| wl_set_mpc(ndev, 1); |
| wl->scan_request = NULL; |
| } |
| |
| WL_TRACE("Exit\n"); |
| |
| return err; |
| } |
| |
| static void wl_init_conf(struct wl_conf *conf) |
| { |
| conf->mode = (u32)-1; |
| 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_profile *prof) |
| { |
| memset(prof, 0, sizeof(*prof)); |
| } |
| |
| static void wl_init_eloop_handler(struct wl_event_loop *el) |
| { |
| memset(el, 0, sizeof(*el)); |
| el->handler[BRCMF_E_SCAN_COMPLETE] = wl_notify_scan_status; |
| el->handler[BRCMF_E_LINK] = wl_notify_connect_status; |
| el->handler[BRCMF_E_ROAM] = wl_notify_roaming_status; |
| el->handler[BRCMF_E_MIC_ERROR] = wl_notify_mic_status; |
| el->handler[BRCMF_E_SET_SSID] = wl_notify_connect_status; |
| } |
| |
| static s32 wl_init_priv_mem(struct wl_priv *wl) |
| { |
| wl->scan_results = 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 = kzalloc(sizeof(*wl->conf), GFP_KERNEL); |
| if (unlikely(!wl->conf)) { |
| WL_ERR("wl_conf alloc failed\n"); |
| goto init_priv_mem_out; |
| } |
| wl->profile = kzalloc(sizeof(*wl->profile), GFP_KERNEL); |
| if (unlikely(!wl->profile)) { |
| WL_ERR("wl_profile alloc failed\n"); |
| goto init_priv_mem_out; |
| } |
| wl->bss_info = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); |
| if (unlikely(!wl->bss_info)) { |
| WL_ERR("Bss information alloc failed\n"); |
| goto init_priv_mem_out; |
| } |
| wl->scan_req_int = 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 = kzalloc(WL_IOCTL_LEN_MAX, GFP_KERNEL); |
| if (unlikely(!wl->ioctl_buf)) { |
| WL_ERR("Ioctl buf alloc failed\n"); |
| goto init_priv_mem_out; |
| } |
| wl->extra_buf = 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 = kzalloc(sizeof(*wl->iscan), GFP_KERNEL); |
| if (unlikely(!wl->iscan)) { |
| WL_ERR("Iscan buf alloc failed\n"); |
| goto init_priv_mem_out; |
| } |
| wl->fw = kzalloc(sizeof(*wl->fw), GFP_KERNEL); |
| if (unlikely(!wl->fw)) { |
| WL_ERR("fw object alloc failed\n"); |
| goto init_priv_mem_out; |
| } |
| wl->pmk_list = kzalloc(sizeof(*wl->pmk_list), GFP_KERNEL); |
| if (unlikely(!wl->pmk_list)) { |
| WL_ERR("pmk list alloc failed\n"); |
| goto init_priv_mem_out; |
| } |
| |
| 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->bss_info); |
| wl->bss_info = NULL; |
| kfree(wl->conf); |
| wl->conf = NULL; |
| kfree(wl->profile); |
| wl->profile = NULL; |
| kfree(wl->scan_req_int); |
| wl->scan_req_int = NULL; |
| kfree(wl->ioctl_buf); |
| wl->ioctl_buf = NULL; |
| kfree(wl->extra_buf); |
| wl->extra_buf = NULL; |
| kfree(wl->iscan); |
| wl->iscan = NULL; |
| kfree(wl->fw); |
| wl->fw = NULL; |
| kfree(wl->pmk_list); |
| wl->pmk_list = NULL; |
| } |
| |
| static s32 wl_create_event_handler(struct wl_priv *wl) |
| { |
| sema_init(&wl->event_sync, 0); |
| wl->event_tsk = kthread_run(wl_event_handler, wl, "wl_event_handler"); |
| if (IS_ERR(wl->event_tsk)) { |
| wl->event_tsk = NULL; |
| WL_ERR("failed to create event thread\n"); |
| return -ENOMEM; |
| } |
| return 0; |
| } |
| |
| static void wl_destroy_event_handler(struct wl_priv *wl) |
| { |
| if (wl->event_tsk) { |
| send_sig(SIGTERM, wl->event_tsk, 1); |
| kthread_stop(wl->event_tsk); |
| wl->event_tsk = NULL; |
| } |
| } |
| |
| static void wl_term_iscan(struct wl_priv *wl) |
| { |
| struct wl_iscan_ctrl *iscan = wl_to_iscan(wl); |
| |
| if (wl->iscan_on && iscan->tsk) { |
| iscan->state = WL_ISCAN_STATE_IDLE; |
| send_sig(SIGTERM, iscan->tsk, 1); |
| 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_ndev(wl); |
| |
| if (unlikely(!test_and_clear_bit(WL_STATUS_SCANNING, &wl->status))) { |
| WL_ERR("Scan complete while device not scanning\n"); |
| return; |
| } |
| if (likely(wl->scan_request)) { |
| WL_SCAN("ISCAN Completed scan: %s\n", |
| aborted ? "Aborted" : "Done"); |
| cfg80211_scan_done(wl->scan_request, aborted); |
| wl_set_mpc(ndev, 1); |
| wl->scan_request = NULL; |
| } |
| wl->iscan_kickstart = false; |
| } |
| |
| static s32 wl_wakeup_iscan(struct wl_iscan_ctrl *iscan) |
| { |
| if (likely(iscan->state != WL_ISCAN_STATE_IDLE)) { |
| WL_SCAN("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; |
| |
| 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 = cpu_to_le32(WL_ISCAN_BUF_MAX); |
| err = wl_dev_iovar_getbuf(iscan->dev, "iscanresults", &list, |
| WL_ISCAN_RESULTS_FIXED_SIZE, iscan->scan_buf, |
| WL_ISCAN_BUF_MAX); |
| if (unlikely(err)) { |
| WL_ERR("error (%d)\n", err); |
| return err; |
| } |
| results->buflen = le32_to_cpu(results->buflen); |
| results->version = le32_to_cpu(results->version); |
| results->count = le32_to_cpu(results->count); |
| WL_SCAN("results->count = %d\n", results->count); |
| WL_SCAN("results->buflen = %d\n", results->buflen); |
| *status = le32_to_cpu(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; |
| rtnl_lock(); |
| wl_inform_bss(wl); |
| wl_notify_iscan_complete(iscan, false); |
| rtnl_unlock(); |
| |
| 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 + iscan->timer_ms * HZ / 1000); |
| 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; |
| |
| rtnl_lock(); |
| wl_inform_bss(wl); |
| wl_run_iscan(iscan, NULL, WL_SCAN_ACTION_CONTINUE); |
| rtnl_unlock(); |
| /* Reschedule the timer */ |
| mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); |
| 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; |
| rtnl_lock(); |
| wl_notify_iscan_complete(iscan, true); |
| rtnl_unlock(); |
| |
| return err; |
| } |
| |
| static s32 wl_iscan_thread(void *data) |
| { |
| struct sched_param param = {.sched_priority = MAX_RT_PRIO - 1 }; |
| struct wl_iscan_ctrl *iscan = (struct wl_iscan_ctrl *)data; |
| struct wl_priv *wl = iscan_to_wl(iscan); |
| struct wl_iscan_eloop *el = &iscan->el; |
| u32 status; |
| int err = 0; |
| |
| sched_setscheduler(current, SCHED_FIFO, ¶m); |
| 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; |
| } |
| rtnl_lock(); |
| err = wl_get_iscan_results(iscan, &status, &wl->bss_list); |
| if (unlikely(err)) { |
| status = WL_SCAN_RESULTS_ABORTED; |
| WL_ERR("Abort iscan\n"); |
| } |
| rtnl_unlock(); |
| el->handler[status] (wl); |
| } |
| if (iscan->timer_on) { |
| del_timer_sync(&iscan->timer); |
| iscan->timer_on = 0; |
| } |
| WL_SCAN("ISCAN thread terminated\n"); |
| |
| return 0; |
| } |
| |
| 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_SCAN("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_eloop(struct wl_iscan_eloop *el) |
| { |
| memset(el, 0, sizeof(*el)); |
| el->handler[WL_SCAN_RESULTS_SUCCESS] = wl_iscan_done; |
| el->handler[WL_SCAN_RESULTS_PARTIAL] = wl_iscan_inprogress; |
| el->handler[WL_SCAN_RESULTS_PENDING] = wl_iscan_pending; |
| el->handler[WL_SCAN_RESULTS_ABORTED] = wl_iscan_aborted; |
| el->handler[WL_SCAN_RESULTS_NO_MEM] = wl_iscan_aborted; |
| } |
| |
| static s32 wl_init_iscan(struct wl_priv *wl) |
| { |
| struct wl_iscan_ctrl *iscan = wl_to_iscan(wl); |
| int err = 0; |
| |
| if (wl->iscan_on) { |
| iscan->dev = wl_to_ndev(wl); |
| iscan->state = WL_ISCAN_STATE_IDLE; |
| wl_init_iscan_eloop(&iscan->el); |
| 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; |
| } |
| |
| return err; |
| } |
| |
| static void wl_init_fw(struct wl_fw_ctrl *fw) |
| { |
| fw->status = 0; /* init fw loading status. |
| 0 means nothing was loaded yet */ |
| } |
| |
| static s32 wl_init_priv(struct wl_priv *wl) |
| { |
| struct wiphy *wiphy = wl_to_wiphy(wl); |
| s32 err = 0; |
| |
| wl->scan_request = NULL; |
| wl->pwr_save = !!(wiphy->flags & WIPHY_FLAG_PS_ON_BY_DEFAULT); |
| wl->iscan_on = true; /* iscan on & off switch. |
| we enable iscan per default */ |
| wl->roam_on = false; /* roam on & off switch. |
| we enable roam per default */ |
| |
| wl->iscan_kickstart = false; |
| wl->active_scan = true; /* we do active scan for |
| specific scan per default */ |
| wl->dongle_up = false; /* dongle is not up yet */ |
| wl_init_eq(wl); |
| err = wl_init_priv_mem(wl); |
| if (unlikely(err)) |
| return err; |
| if (unlikely(wl_create_event_handler(wl))) |
| return -ENOMEM; |
| wl_init_eloop_handler(&wl->el); |
| mutex_init(&wl->usr_sync); |
| err = wl_init_iscan(wl); |
| if (unlikely(err)) |
| return err; |
| wl_init_fw(wl->fw); |
| wl_init_conf(wl->conf); |
| wl_init_prof(wl->profile); |
| wl_link_down(wl); |
| |
| return err; |
| } |
| |
| static void wl_deinit_priv(struct wl_priv *wl) |
| { |
| wl_destroy_event_handler(wl); |
| wl->dongle_up = false; /* dongle down */ |
| wl_flush_eq(wl); |
| wl_link_down(wl); |
| wl_term_iscan(wl); |
| wl_deinit_priv_mem(wl); |
| } |
| |
| s32 wl_cfg80211_attach(struct net_device *ndev, void *data) |
| { |
| struct wireless_dev *wdev; |
| struct wl_priv *wl; |
| struct wl_iface *ci; |
| s32 err = 0; |
| |
| if (unlikely(!ndev)) { |
| WL_ERR("ndev is invalid\n"); |
| return -ENODEV; |
| } |
| wl_cfg80211_dev = kzalloc(sizeof(struct wl_dev), GFP_KERNEL); |
| if (unlikely(!wl_cfg80211_dev)) { |
| WL_ERR("wl_cfg80211_dev is invalid\n"); |
| return -ENOMEM; |
| } |
| WL_INFO("func %p\n", wl_cfg80211_get_sdio_func()); |
| wdev = wl_alloc_wdev(sizeof(struct wl_iface), &wl_cfg80211_get_sdio_func()->dev); |
| if (IS_ERR(wdev)) |
| return -ENOMEM; |
| |
| wdev->iftype = wl_mode_to_nl80211_iftype(WL_MODE_BSS); |
| wl = wdev_to_wl(wdev); |
| wl->wdev = wdev; |
| wl->pub = data; |
| ci = (struct wl_iface *)wl_to_ci(wl); |
| ci->wl = wl; |
| ndev->ieee80211_ptr = wdev; |
| SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy)); |
| wdev->netdev = ndev; |
| err = wl_init_priv(wl); |
| if (unlikely(err)) { |
| WL_ERR("Failed to init iwm_priv (%d)\n", err); |
| goto cfg80211_attach_out; |
| } |
| wl_set_drvdata(wl_cfg80211_dev, ci); |
| |
| return err; |
| |
| cfg80211_attach_out: |
| wl_free_wdev(wl); |
| return err; |
| } |
| |
| void wl_cfg80211_detach(void) |
| { |
| struct wl_priv *wl; |
| |
| wl = WL_PRIV_GET(); |
| |
| wl_deinit_priv(wl); |
| wl_free_wdev(wl); |
| wl_set_drvdata(wl_cfg80211_dev, NULL); |
| kfree(wl_cfg80211_dev); |
| wl_cfg80211_dev = NULL; |
| wl_clear_sdio_func(); |
| } |
| |
| static void wl_wakeup_event(struct wl_priv *wl) |
| { |
| up(&wl->event_sync); |
| } |
| |
| static s32 wl_event_handler(void *data) |
| { |
| struct wl_priv *wl = (struct wl_priv *)data; |
| struct sched_param param = {.sched_priority = MAX_RT_PRIO - 1 }; |
| struct wl_event_q *e; |
| |
| sched_setscheduler(current, SCHED_FIFO, ¶m); |
| allow_signal(SIGTERM); |
| while (likely(!down_interruptible(&wl->event_sync))) { |
| if (kthread_should_stop()) |
| break; |
| e = wl_deq_event(wl); |
| if (unlikely(!e)) { |
| WL_ERR("event queue empty...\n"); |
| BUG(); |
| } |
| WL_INFO("event type (%d)\n", e->etype); |
| if (wl->el.handler[e->etype]) { |
| wl->el.handler[e->etype] (wl, wl_to_ndev(wl), &e->emsg, |
| e->edata); |
| } else { |
| WL_INFO("Unknown Event (%d): ignoring\n", e->etype); |
| } |
| wl_put_event(e); |
| } |
| WL_INFO("was terminated\n"); |
| return 0; |
| } |
| |
| void |
| wl_cfg80211_event(struct net_device *ndev, |
| const brcmf_event_msg_t *e, void *data) |
| { |
| u32 event_type = be32_to_cpu(e->event_type); |
| struct wl_priv *wl = ndev_to_wl(ndev); |
| |
| if (likely(!wl_enq_event(wl, 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; |
| |
| 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); |
| } |
| |
| /* |
| * retrieve first queued event from head |
| */ |
| |
| static struct wl_event_q *wl_deq_event(struct wl_priv *wl) |
| { |
| struct wl_event_q *e = NULL; |
| |
| 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); |
| |
| return e; |
| } |
| |
| /* |
| ** push event to tail of the queue |
| */ |
| |
| static s32 |
| wl_enq_event(struct wl_priv *wl, u32 event, const brcmf_event_msg_t *msg, |
| void *data) |
| { |
| struct wl_event_q *e; |
| s32 err = 0; |
| |
| e = kzalloc(sizeof(struct wl_event_q), GFP_KERNEL); |
| if (unlikely(!e)) { |
| WL_ERR("event alloc failed\n"); |
| return -ENOMEM; |
| } |
| |
| e->etype = event; |
| memcpy(&e->emsg, msg, sizeof(brcmf_event_msg_t)); |
| if (data) { |
| } |
| wl_lock_eq(wl); |
| list_add_tail(&e->eq_list, &wl->eq_list); |
| wl_unlock_eq(wl); |
| |
| return err; |
| } |
| |
| static void wl_put_event(struct wl_event_q *e) |
| { |
| kfree(e); |
| } |
| |
| void wl_cfg80211_sdio_func(void *func) |
| { |
| cfg80211_sdio_func = (struct sdio_func *)func; |
| } |
| |
| static void wl_clear_sdio_func(void) |
| { |
| cfg80211_sdio_func = NULL; |
| } |
| |
| struct sdio_func *wl_cfg80211_get_sdio_func(void) |
| { |
| return cfg80211_sdio_func; |
| } |
| |
| static s32 wl_dongle_mode(struct net_device *ndev, s32 iftype) |
| { |
| s32 infra = 0; |
| s32 err = 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: |
| infra = 0; |
| break; |
| case NL80211_IFTYPE_STATION: |
| infra = 1; |
| break; |
| default: |
| err = -EINVAL; |
| WL_ERR("invalid type (%d)\n", iftype); |
| return err; |
| } |
| infra = cpu_to_le32(infra); |
| err = wl_dev_ioctl(ndev, BRCMF_C_SET_INFRA, &infra, sizeof(infra)); |
| if (unlikely(err)) { |
| WL_ERR("WLC_SET_INFRA error (%d)\n", err); |
| return err; |
| } |
| |
| return 0; |
| } |
| |
| static s32 wl_dongle_eventmsg(struct net_device *ndev) |
| { |
| s8 iovbuf[WL_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" + |
| '\0' + bitvec */ |
| s8 eventmask[WL_EVENTING_MASK_LEN]; |
| s32 err = 0; |
| |
| WL_TRACE("Enter\n"); |
| |
| /* Setup event_msgs */ |
| brcmu_mkiovar("event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf, |
| sizeof(iovbuf)); |
| err = wl_dev_ioctl(ndev, BRCMF_C_GET_VAR, iovbuf, sizeof(iovbuf)); |
| if (unlikely(err)) { |
| WL_ERR("Get event_msgs error (%d)\n", err); |
| goto dongle_eventmsg_out; |
| } |
| memcpy(eventmask, iovbuf, WL_EVENTING_MASK_LEN); |
| |
| setbit(eventmask, BRCMF_E_SET_SSID); |
| setbit(eventmask, BRCMF_E_ROAM); |
| setbit(eventmask, BRCMF_E_PRUNE); |
| setbit(eventmask, BRCMF_E_AUTH); |
| setbit(eventmask, BRCMF_E_REASSOC); |
| setbit(eventmask, BRCMF_E_REASSOC_IND); |
| setbit(eventmask, BRCMF_E_DEAUTH_IND); |
| setbit(eventmask, BRCMF_E_DISASSOC_IND); |
| setbit(eventmask, BRCMF_E_DISASSOC); |
| setbit(eventmask, BRCMF_E_JOIN); |
| setbit(eventmask, BRCMF_E_ASSOC_IND); |
| setbit(eventmask, BRCMF_E_PSK_SUP); |
| setbit(eventmask, BRCMF_E_LINK); |
| setbit(eventmask, BRCMF_E_NDIS_LINK); |
| setbit(eventmask, BRCMF_E_MIC_ERROR); |
| setbit(eventmask, BRCMF_E_PMKID_CACHE); |
| setbit(eventmask, BRCMF_E_TXFAIL); |
| setbit(eventmask, BRCMF_E_JOIN_START); |
| setbit(eventmask, BRCMF_E_SCAN_COMPLETE); |
| |
| brcmu_mkiovar("event_msgs", eventmask, WL_EVENTING_MASK_LEN, iovbuf, |
| sizeof(iovbuf)); |
| err = wl_dev_ioctl(ndev, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); |
| if (unlikely(err)) { |
| WL_ERR("Set event_msgs error (%d)\n", err); |
| goto dongle_eventmsg_out; |
| } |
| |
| dongle_eventmsg_out: |
| WL_TRACE("Exit\n"); |
| return err; |
| } |
| |
| static s32 |
| wl_dongle_roam(struct net_device *ndev, u32 roamvar, u32 bcn_timeout) |
| { |
| s8 iovbuf[32]; |
| s32 roamtrigger[2]; |
| s32 roam_delta[2]; |
| s32 err = 0; |
| |
| /* |
| * Setup timeout if Beacons are lost and roam is |
| * off to report link down |
| */ |
| if (roamvar) { |
| brcmu_mkiovar("bcn_timeout", (char *)&bcn_timeout, |
| sizeof(bcn_timeout), iovbuf, sizeof(iovbuf)); |
| err = wl_dev_ioctl(ndev, BRCMF_C_SET_VAR, |
| iovbuf, sizeof(iovbuf)); |
| if (unlikely(err)) { |
| WL_ERR("bcn_timeout error (%d)\n", err); |
| goto dongle_rom_out; |
| } |
| } |
| |
| /* |
| * Enable/Disable built-in roaming to allow supplicant |
| * to take care of roaming |
| */ |
| WL_INFO("Internal Roaming = %s\n", roamvar ? "Off" : "On"); |
| brcmu_mkiovar("roam_off", (char *)&roamvar, |
| sizeof(roamvar), iovbuf, sizeof(iovbuf)); |
| err = wl_dev_ioctl(ndev, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); |
| if (unlikely(err)) { |
| WL_ERR("roam_off error (%d)\n", err); |
| goto dongle_rom_out; |
| } |
| |
| roamtrigger[0] = WL_ROAM_TRIGGER_LEVEL; |
| roamtrigger[1] = WLC_BAND_ALL; |
| err = wl_dev_ioctl(ndev, BRCMF_C_SET_ROAM_TRIGGER, |
| (void *)roamtrigger, sizeof(roamtrigger)); |
| if (unlikely(err)) { |
| WL_ERR("WLC_SET_ROAM_TRIGGER error (%d)\n", err); |
| goto dongle_rom_out; |
| } |
| |
| roam_delta[0] = WL_ROAM_DELTA; |
| roam_delta[1] = WLC_BAND_ALL; |
| err = wl_dev_ioctl(ndev, BRCMF_C_SET_ROAM_DELTA, |
| (void *)roam_delta, sizeof(roam_delta)); |
| if (unlikely(err)) { |
| WL_ERR("WLC_SET_ROAM_DELTA error (%d)\n", err); |
| goto dongle_rom_out; |
| } |
| |
| dongle_rom_out: |
| return err; |
| } |
| |
| static s32 |
| wl_dongle_scantime(struct net_device *ndev, s32 scan_assoc_time, |
| s32 scan_unassoc_time, s32 scan_passive_time) |
| { |
| s32 err = 0; |
| |
| err = wl_dev_ioctl(ndev, BRCMF_C_SET_SCAN_CHANNEL_TIME, |
| &scan_assoc_time, sizeof(scan_assoc_time)); |
| if (err) { |
| if (err == -EOPNOTSUPP) |
| WL_INFO("Scan assoc time is not supported\n"); |
| else |
| WL_ERR("Scan assoc time error (%d)\n", err); |
| goto dongle_scantime_out; |
| } |
| err = wl_dev_ioctl(ndev, BRCMF_C_SET_SCAN_UNASSOC_TIME, |
| &scan_unassoc_time, sizeof(scan_unassoc_time)); |
| if (err) { |
| if (err == -EOPNOTSUPP) |
| WL_INFO("Scan unassoc time is not supported\n"); |
| else |
| WL_ERR("Scan unassoc time error (%d)\n", err); |
| goto dongle_scantime_out; |
| } |
| |
| err = wl_dev_ioctl(ndev, BRCMF_C_SET_SCAN_PASSIVE_TIME, |
| &scan_passive_time, sizeof(scan_passive_time)); |
| if (err) { |
| if (err == -EOPNOTSUPP) |
| WL_INFO("Scan passive time is not supported\n"); |
| else |
| WL_ERR("Scan passive time error (%d)\n", err); |
| goto dongle_scantime_out; |
| } |
| |
| dongle_scantime_out: |
| return err; |
| } |
| |
| s32 wl_config_dongle(struct wl_priv *wl, bool need_lock) |
| { |
| struct net_device *ndev; |
| struct wireless_dev *wdev; |
| s32 err = 0; |
| |
| if (wl->dongle_up) |
| return err; |
| |
| ndev = wl_to_ndev(wl); |
| wdev = ndev->ieee80211_ptr; |
| if (need_lock) |
| rtnl_lock(); |
| |
| wl_dongle_scantime(ndev, WL_SCAN_CHANNEL_TIME, |
| WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME); |
| |
| err = wl_dongle_eventmsg(ndev); |
| if (unlikely(err)) |
| goto default_conf_out; |
| err = wl_dongle_roam(ndev, (wl->roam_on ? 0 : 1), WL_BEACON_TIMEOUT); |
| if (unlikely(err)) |
| goto default_conf_out; |
| err = wl_dongle_mode(ndev, wdev->iftype); |
| if (unlikely(err && err != -EINPROGRESS)) |
| goto default_conf_out; |
| err = wl_dongle_probecap(wl); |
| if (unlikely(err)) |
| goto default_conf_out; |
| |
| /* -EINPROGRESS: Call commit handler */ |
| |
| default_conf_out: |
| if (need_lock) |
| rtnl_unlock(); |
| |
| wl->dongle_up = true; |
| |
| return err; |
| |
| } |
| |
| static s32 wl_update_wiphybands(struct wl_priv *wl) |
| { |
| struct wiphy *wiphy; |
| s32 phy_list; |
| s8 phy; |
| s32 err = 0; |
| |
| err = wl_dev_ioctl(wl_to_ndev(wl), WLC_GET_PHYLIST, &phy_list, |
| sizeof(phy_list)); |
| if (unlikely(err)) { |
| WL_ERR("error (%d)\n", err); |
| return err; |
| } |
| |
| phy = ((char *)&phy_list)[1]; |
| WL_INFO("%c phy\n", phy); |
| if (phy == 'n' || phy == 'a') { |
| wiphy = wl_to_wiphy(wl); |
| wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_n; |
| } |
| |
| return err; |
| } |
| |
| static s32 __wl_cfg80211_up(struct wl_priv *wl) |
| { |
| s32 err = 0; |
| |
| set_bit(WL_STATUS_READY, &wl->status); |
| |
| wl_debugfs_add_netdev_params(wl); |
| |
| err = wl_config_dongle(wl, false); |
| if (unlikely(err)) |
| return err; |
| |
| wl_invoke_iscan(wl); |
| |
| return err; |
| } |
| |
| static s32 __wl_cfg80211_down(struct wl_priv *wl) |
| { |
| /* |
| * While going down, if associated with AP disassociate |
| * from AP to save power |
| */ |
| if ((test_bit(WL_STATUS_CONNECTED, &wl->status) || |
| test_bit(WL_STATUS_CONNECTING, &wl->status)) && |
| test_bit(WL_STATUS_READY, &wl->status)) { |
| WL_INFO("Disassociating from AP"); |
| wl_link_down(wl); |
| |
| /* Make sure WPA_Supplicant receives all the event |
| generated due to DISASSOC call to the fw to keep |
| the state fw and WPA_Supplicant state consistent |
| */ |
| rtnl_unlock(); |
| wl_delay(500); |
| rtnl_lock(); |
| } |
| |
| set_bit(WL_STATUS_SCAN_ABORTING, &wl->status); |
| wl_term_iscan(wl); |
| if (wl->scan_request) { |
| cfg80211_scan_done(wl->scan_request, true); |
| /* May need to perform this to cover rmmod */ |
| /* wl_set_mpc(wl_to_ndev(wl), 1); */ |
| wl->scan_request = NULL; |
| } |
| clear_bit(WL_STATUS_READY, &wl->status); |
| clear_bit(WL_STATUS_SCANNING, &wl->status); |
| clear_bit(WL_STATUS_SCAN_ABORTING, &wl->status); |
| |
| wl_debugfs_remove_netdev(wl); |
| |
| return 0; |
| } |
| |
| s32 wl_cfg80211_up(void) |
| { |
| struct wl_priv *wl; |
| s32 err = 0; |
| |
| wl = WL_PRIV_GET(); |
| mutex_lock(&wl->usr_sync); |
| err = __wl_cfg80211_up(wl); |
| mutex_unlock(&wl->usr_sync); |
| |
| return err; |
| } |
| |
| s32 wl_cfg80211_down(void) |
| { |
| struct wl_priv *wl; |
| s32 err = 0; |
| |
| wl = WL_PRIV_GET(); |
| mutex_lock(&wl->usr_sync); |
| err = __wl_cfg80211_down(wl); |
| mutex_unlock(&wl->usr_sync); |
| |
| return err; |
| } |
| |
| static s32 wl_dongle_probecap(struct wl_priv *wl) |
| { |
| return wl_update_wiphybands(wl); |
| } |
| |
| static void *wl_read_prof(struct wl_priv *wl, s32 item) |
| { |
| switch (item) { |
| case WL_PROF_SEC: |
| return &wl->profile->sec; |
| case WL_PROF_BSSID: |
| return &wl->profile->bssid; |
| case WL_PROF_SSID: |
| return &wl->profile->ssid; |
| } |
| WL_ERR("invalid item (%d)\n", item); |
| return NULL; |
| } |
| |
| static s32 |
| wl_update_prof(struct wl_priv *wl, const brcmf_event_msg_t *e, void *data, |
| s32 item) |
| { |
| s32 err = 0; |
| struct wlc_ssid *ssid; |
| |
| switch (item) { |
| case WL_PROF_SSID: |
| ssid = (wlc_ssid_t *) data; |
| memset(wl->profile->ssid.SSID, 0, |
| sizeof(wl->profile->ssid.SSID)); |
| memcpy(wl->profile->ssid.SSID, ssid->SSID, ssid->SSID_len); |
| wl->profile->ssid.SSID_len = ssid->SSID_len; |
| break; |
| case WL_PROF_BSSID: |
| if (data) |
| memcpy(wl->profile->bssid, data, ETH_ALEN); |
| else |
| memset(wl->profile->bssid, 0, ETH_ALEN); |
| break; |
| case WL_PROF_SEC: |
| memcpy(&wl->profile->sec, data, sizeof(wl->profile->sec)); |
| break; |
| case WL_PROF_BEACONINT: |
| wl->profile->beacon_interval = *(u16 *)data; |
| break; |
| case WL_PROF_DTIMPERIOD: |
| wl->profile->dtim_period = *(u8 *)data; |
| break; |
| default: |
| WL_ERR("unsupported item (%d)\n", item); |
| err = -EOPNOTSUPP; |
| break; |
| } |
| |
| return err; |
| } |
| |
| static bool wl_is_ibssmode(struct wl_priv *wl) |
| { |
| return wl->conf->mode == WL_MODE_IBSS; |
| } |
| |
| 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_link_down(struct wl_priv *wl) |
| { |
| struct net_device *dev = NULL; |
| s32 err = 0; |
| |
| WL_TRACE("Enter\n"); |
| |
| if (wl->link_up) { |
| dev = wl_to_ndev(wl); |
| WL_INFO("Call WLC_DISASSOC to stop excess roaming\n "); |
| err = wl_dev_ioctl(dev, BRCMF_C_DISASSOC, NULL, 0); |
| if (unlikely(err)) |
| WL_ERR("WLC_DISASSOC failed (%d)\n", err); |
| wl->link_up = false; |
| } |
| WL_TRACE("Exit\n"); |
| } |
| |
| static void wl_lock_eq(struct wl_priv *wl) |
| { |
| spin_lock_irq(&wl->eq_lock); |
| } |
| |
| static void wl_unlock_eq(struct wl_priv *wl) |
| { |
| spin_unlock_irq(&wl->eq_lock); |
| } |
| |
| static void wl_init_eq_lock(struct wl_priv *wl) |
| { |
| spin_lock_init(&wl->eq_lock); |
| } |
| |
| static void wl_delay(u32 ms) |
| { |
| if (ms < 1000 / HZ) { |
| cond_resched(); |
| mdelay(ms); |
| } else { |
| msleep(ms); |
| } |
| } |
| |
| static void wl_set_drvdata(struct wl_dev *dev, void *data) |
| { |
| dev->driver_data = data; |
| } |
| |
| static void *wl_get_drvdata(struct wl_dev *dev) |
| { |
| void *data = NULL; |
| |
| if (dev) |
| data = dev->driver_data; |
| return data; |
| } |
| |
| s32 wl_cfg80211_read_fw(s8 *buf, u32 size) |
| { |
| const struct firmware *fw_entry; |
| struct wl_priv *wl; |
| |
| wl = WL_PRIV_GET(); |
| |
| fw_entry = wl->fw->fw_entry; |
| |
| if (fw_entry->size < wl->fw->ptr + size) |
| size = fw_entry->size - wl->fw->ptr; |
| |
| memcpy(buf, &fw_entry->data[wl->fw->ptr], size); |
| wl->fw->ptr += size; |
| return size; |
| } |
| |
| void wl_cfg80211_release_fw(void) |
| { |
| struct wl_priv *wl; |
| |
| wl = WL_PRIV_GET(); |
| release_firmware(wl->fw->fw_entry); |
| wl->fw->ptr = 0; |
| } |
| |
| void *wl_cfg80211_request_fw(s8 *file_name) |
| { |
| struct wl_priv *wl; |
| const struct firmware *fw_entry = NULL; |
| s32 err = 0; |
| |
| WL_INFO("file name : \"%s\"\n", file_name); |
| wl = WL_PRIV_GET(); |
| |
| if (!test_bit(WL_FW_LOADING_DONE, &wl->fw->status)) { |
| err = request_firmware(&wl->fw->fw_entry, file_name, |
| &wl_cfg80211_get_sdio_func()->dev); |
| if (unlikely(err)) { |
| WL_ERR("Could not download fw (%d)\n", err); |
| goto req_fw_out; |
| } |
| set_bit(WL_FW_LOADING_DONE, &wl->fw->status); |
| fw_entry = wl->fw->fw_entry; |
| if (fw_entry) { |
| WL_INFO("fw size (%zd), data (%p)\n", |
| fw_entry->size, fw_entry->data); |
| } |
| } else if (!test_bit(WL_NVRAM_LOADING_DONE, &wl->fw->status)) { |
| err = request_firmware(&wl->fw->fw_entry, file_name, |
| &wl_cfg80211_get_sdio_func()->dev); |
| if (unlikely(err)) { |
| WL_ERR("Could not download nvram (%d)\n", err); |
| goto req_fw_out; |
| } |
| set_bit(WL_NVRAM_LOADING_DONE, &wl->fw->status); |
| fw_entry = wl->fw->fw_entry; |
| if (fw_entry) { |
| WL_INFO("nvram size (%zd), data (%p)\n", |
| fw_entry->size, fw_entry->data); |
| } |
| } else { |
| WL_INFO("Downloading already done. Nothing to do more\n"); |
| err = -EPERM; |
| } |
| |
| req_fw_out: |
| if (unlikely(err)) { |
| return NULL; |
| } |
| wl->fw->ptr = 0; |
| return (void *)fw_entry->data; |
| } |
| |
| s8 *wl_cfg80211_get_fwname(void) |
| { |
| struct wl_priv *wl; |
| |
| wl = WL_PRIV_GET(); |
| strcpy(wl->fw->fw_name, WL_4329_FW_FILE); |
| return wl->fw->fw_name; |
| } |
| |
| s8 *wl_cfg80211_get_nvramname(void) |
| { |
| struct wl_priv *wl; |
| |
| wl = WL_PRIV_GET(); |
| strcpy(wl->fw->nvram_name, WL_4329_NVRAM_FILE); |
| return wl->fw->nvram_name; |
| } |
| |
| static void wl_set_mpc(struct net_device *ndev, int mpc) |
| { |
| s32 err = 0; |
| struct wl_priv *wl = ndev_to_wl(ndev); |
| |
| if (test_bit(WL_STATUS_READY, &wl->status)) { |
| err = wl_dev_intvar_set(ndev, "mpc", mpc); |
| if (unlikely(err)) { |
| WL_ERR("fail to set mpc\n"); |
| return; |
| } |
| WL_INFO("MPC : %d\n", mpc); |
| } |
| } |
| |
| static int wl_debugfs_add_netdev_params(struct wl_priv *wl) |
| { |
| char buf[10+IFNAMSIZ]; |
| struct dentry *fd; |
| s32 err = 0; |
| |
| sprintf(buf, "netdev:%s", wl_to_ndev(wl)->name); |
| wl->debugfsdir = debugfs_create_dir(buf, wl_to_wiphy(wl)->debugfsdir); |
| |
| fd = debugfs_create_u16("beacon_int", S_IRUGO, wl->debugfsdir, |
| (u16 *)&wl->profile->beacon_interval); |
| if (!fd) { |
| err = -ENOMEM; |
| goto err_out; |
| } |
| |
| fd = debugfs_create_u8("dtim_period", S_IRUGO, wl->debugfsdir, |
| (u8 *)&wl->profile->dtim_period); |
| if (!fd) { |
| err = -ENOMEM; |
| goto err_out; |
| } |
| |
| err_out: |
| return err; |
| } |
| |
| static void wl_debugfs_remove_netdev(struct wl_priv *wl) |
| { |
| debugfs_remove_recursive(wl->debugfsdir); |
| wl->debugfsdir = NULL; |
| } |