diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/main.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/main.c | 674 |
1 files changed, 466 insertions, 208 deletions
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index f8748ce..adf9bbc 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -1,3 +1,4 @@ + /* * This file is part of wl1271 * @@ -115,6 +116,9 @@ static struct conf_drv_settings default_conf = { [CONF_AP_CONNECTION_PROTECTION_TIME] = 0, [CONF_AP_BT_ACL_VAL_BT_SERVE_TIME] = 25, [CONF_AP_BT_ACL_VAL_WL_SERVE_TIME] = 25, + /* CTS Diluting params */ + [CONF_SG_CTS_DILUTED_BAD_RX_PACKETS_TH] = 0, + [CONF_SG_CTS_CHOP_IN_DUAL_ANT_SCO_MASTER] = 0, }, .state = CONF_SG_PROTECTIVE, }, @@ -217,6 +221,8 @@ static struct conf_drv_settings default_conf = { .conn = { .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, .listen_interval = 1, + .suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM, + .suspend_listen_interval = 3, .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, .bcn_filt_ie_count = 2, .bcn_filt_ie = { @@ -235,12 +241,13 @@ static struct conf_drv_settings default_conf = { .broadcast_timeout = 20000, .rx_broadcast_in_ps = 1, .ps_poll_threshold = 10, - .ps_poll_recovery_period = 700, .bet_enable = CONF_BET_MODE_ENABLE, .bet_max_consecutive = 50, .psm_entry_retries = 8, .psm_exit_retries = 16, .psm_entry_nullfunc_retries = 3, + .dynamic_ps_timeout = 100, + .forced_ps = false, .keep_alive_interval = 55000, .max_listen_interval = 20, }, @@ -265,6 +272,7 @@ static struct conf_drv_settings default_conf = { .min_dwell_time_passive = 100000, .max_dwell_time_passive = 100000, .num_probe_reqs = 2, + .split_scan_timeout = 50000, }, .sched_scan = { /* sched_scan requires dwell times in TU instead of TU/1000 */ @@ -672,8 +680,6 @@ static int wl1271_plt_init(struct wl1271 *wl) if (ret < 0) return ret; } - if (ret < 0) - return ret; /* Chip-specific initializations */ ret = wl1271_chip_specific_init(wl); @@ -985,16 +991,70 @@ out: return IRQ_HANDLED; } -static int wl1271_fetch_firmware(struct wl1271 *wl) +struct vif_counter_data { + u8 counter; + + struct ieee80211_vif *cur_vif; + bool cur_vif_running; +}; + +static void wl12xx_vif_count_iter(void *data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct vif_counter_data *counter = data; + + counter->counter++; + if (counter->cur_vif == vif) + counter->cur_vif_running = true; +} + +/* caller must not hold wl->mutex, as it might deadlock */ +static void wl12xx_get_vif_count(struct ieee80211_hw *hw, + struct ieee80211_vif *cur_vif, + struct vif_counter_data *data) +{ + memset(data, 0, sizeof(*data)); + data->cur_vif = cur_vif; + + ieee80211_iterate_active_interfaces(hw, + wl12xx_vif_count_iter, data); +} + +static int wl12xx_fetch_firmware(struct wl1271 *wl, bool plt) { const struct firmware *fw; const char *fw_name; + enum wl12xx_fw_type fw_type; int ret; - if (wl->chip.id == CHIP_ID_1283_PG20) - fw_name = WL128X_FW_NAME; - else - fw_name = WL127X_FW_NAME; + if (plt) { + fw_type = WL12XX_FW_TYPE_PLT; + if (wl->chip.id == CHIP_ID_1283_PG20) + fw_name = WL128X_PLT_FW_NAME; + else + fw_name = WL127X_PLT_FW_NAME; + } else { + /* + * we can't call wl12xx_get_vif_count() here because + * wl->mutex is taken, so use the cached last_vif_count value + */ + if (wl->last_vif_count > 1) { + fw_type = WL12XX_FW_TYPE_MULTI; + if (wl->chip.id == CHIP_ID_1283_PG20) + fw_name = WL128X_FW_NAME_MULTI; + else + fw_name = WL127X_FW_NAME_MULTI; + } else { + fw_type = WL12XX_FW_TYPE_NORMAL; + if (wl->chip.id == CHIP_ID_1283_PG20) + fw_name = WL128X_FW_NAME_SINGLE; + else + fw_name = WL127X_FW_NAME_SINGLE; + } + } + + if (wl->fw_type == fw_type) + return 0; wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name); @@ -1013,6 +1073,7 @@ static int wl1271_fetch_firmware(struct wl1271 *wl) } vfree(wl->fw); + wl->fw_type = WL12XX_FW_TYPE_NONE; wl->fw_len = fw->size; wl->fw = vmalloc(wl->fw_len); @@ -1024,7 +1085,7 @@ static int wl1271_fetch_firmware(struct wl1271 *wl) memcpy(wl->fw, fw->data, wl->fw_len); ret = 0; - + wl->fw_type = fw_type; out: release_firmware(fw); @@ -1152,7 +1213,7 @@ static void wl1271_recovery_work(struct work_struct *work) mutex_lock(&wl->mutex); - if (wl->state != WL1271_STATE_ON) + if (wl->state != WL1271_STATE_ON || wl->plt) goto out_unlock; /* Avoid a recursive recovery */ @@ -1232,10 +1293,9 @@ static int wl1271_setup(struct wl1271 *wl) return 0; } -static int wl1271_chip_wakeup(struct wl1271 *wl) +static int wl12xx_set_power_on(struct wl1271 *wl) { - struct wl1271_partition_set partition; - int ret = 0; + int ret; msleep(WL1271_PRE_POWER_ON_SLEEP); ret = wl1271_power_on(wl); @@ -1245,20 +1305,22 @@ static int wl1271_chip_wakeup(struct wl1271 *wl) wl1271_io_reset(wl); wl1271_io_init(wl); - /* We don't need a real memory partition here, because we only want - * to use the registers at this point. */ - memset(&partition, 0, sizeof(partition)); - partition.reg.start = REGISTERS_BASE; - partition.reg.size = REGISTERS_DOWN_SIZE; - wl1271_set_partition(wl, &partition); + wl1271_set_partition(wl, &wl12xx_part_table[PART_DOWN]); /* ELP module wake up */ wl1271_fw_wakeup(wl); - /* whal_FwCtrl_BootSm() */ +out: + return ret; +} - /* 0. read chip id from CHIP_ID */ - wl->chip.id = wl1271_read32(wl, CHIP_ID_B); +static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt) +{ + int ret = 0; + + ret = wl12xx_set_power_on(wl); + if (ret < 0) + goto out; /* * For wl127x based devices we could use the default block @@ -1307,11 +1369,9 @@ static int wl1271_chip_wakeup(struct wl1271 *wl) goto out; } - if (wl->fw == NULL) { - ret = wl1271_fetch_firmware(wl); - if (ret < 0) - goto out; - } + ret = wl12xx_fetch_firmware(wl, plt); + if (ret < 0) + goto out; /* No NVS from netlink, try to get it from the filesystem */ if (wl->nvs == NULL) { @@ -1343,7 +1403,7 @@ int wl1271_plt_start(struct wl1271 *wl) while (retries) { retries--; - ret = wl1271_chip_wakeup(wl); + ret = wl12xx_chip_wakeup(wl, true); if (ret < 0) goto power_off; @@ -1355,7 +1415,8 @@ int wl1271_plt_start(struct wl1271 *wl) if (ret < 0) goto irq_disable; - wl->state = WL1271_STATE_PLT; + wl->plt = true; + wl->state = WL1271_STATE_ON; wl1271_notice("firmware booted in PLT mode (%s)", wl->chip.fw_ver_str); @@ -1391,41 +1452,51 @@ out: return ret; } -static int __wl1271_plt_stop(struct wl1271 *wl) +int wl1271_plt_stop(struct wl1271 *wl) { int ret = 0; wl1271_notice("power down"); - if (wl->state != WL1271_STATE_PLT) { + /* + * Interrupts must be disabled before setting the state to OFF. + * Otherwise, the interrupt handler might be called and exit without + * reading the interrupt status. + */ + wl1271_disable_interrupts(wl); + mutex_lock(&wl->mutex); + if (!wl->plt) { + mutex_unlock(&wl->mutex); + + /* + * This will not necessarily enable interrupts as interrupts + * may have been disabled when op_stop was called. It will, + * however, balance the above call to disable_interrupts(). + */ + wl1271_enable_interrupts(wl); + wl1271_error("cannot power down because not in PLT " "state: %d", wl->state); ret = -EBUSY; goto out; } - wl1271_power_off(wl); - - wl->state = WL1271_STATE_OFF; - wl->rx_counter = 0; - mutex_unlock(&wl->mutex); - wl1271_disable_interrupts(wl); + wl1271_flush_deferred_work(wl); cancel_work_sync(&wl->netstack_work); cancel_work_sync(&wl->recovery_work); - mutex_lock(&wl->mutex); -out: - return ret; -} - -int wl1271_plt_stop(struct wl1271 *wl) -{ - int ret; + cancel_delayed_work_sync(&wl->elp_work); mutex_lock(&wl->mutex); - ret = __wl1271_plt_stop(wl); + wl1271_power_off(wl); + wl->flags = 0; + wl->state = WL1271_STATE_OFF; + wl->plt = false; + wl->rx_counter = 0; mutex_unlock(&wl->mutex); + +out: return ret; } @@ -1574,38 +1645,16 @@ static int wl1271_configure_suspend_sta(struct wl1271 *wl, if (ret < 0) goto out_unlock; - /* enter psm if needed*/ - if (!test_bit(WLVIF_FLAG_PSM, &wlvif->flags)) { - DECLARE_COMPLETION_ONSTACK(compl); + ret = wl1271_acx_wake_up_conditions(wl, wlvif, + wl->conf.conn.suspend_wake_up_event, + wl->conf.conn.suspend_listen_interval); - wlvif->ps_compl = &compl; - ret = wl1271_ps_set_mode(wl, wlvif, STATION_POWER_SAVE_MODE, - wlvif->basic_rate, true); - if (ret < 0) - goto out_sleep; - - /* we must unlock here so we will be able to get events */ - wl1271_ps_elp_sleep(wl); - mutex_unlock(&wl->mutex); - - ret = wait_for_completion_timeout( - &compl, msecs_to_jiffies(WL1271_PS_COMPLETE_TIMEOUT)); + if (ret < 0) + wl1271_error("suspend: set wake up conditions failed: %d", ret); - mutex_lock(&wl->mutex); - if (ret <= 0) { - wl1271_warning("couldn't enter ps mode!"); - ret = -EBUSY; - goto out_cleanup; - } - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) - goto out_cleanup; - } -out_sleep: wl1271_ps_elp_sleep(wl); -out_cleanup: - wlvif->ps_compl = NULL; + out_unlock: mutex_unlock(&wl->mutex); return ret; @@ -1648,11 +1697,11 @@ static int wl1271_configure_suspend(struct wl1271 *wl, static void wl1271_configure_resume(struct wl1271 *wl, struct wl12xx_vif *wlvif) { - int ret; - bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; + int ret = 0; bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS; + bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; - if (!is_sta && !is_ap) + if ((!is_ap) && (!is_sta)) return; mutex_lock(&wl->mutex); @@ -1661,12 +1710,16 @@ static void wl1271_configure_resume(struct wl1271 *wl, goto out; if (is_sta) { - /* exit psm if it wasn't configured */ - if (!test_bit(WLVIF_FLAG_PSM_REQUESTED, &wlvif->flags)) - wl1271_ps_set_mode(wl, wlvif, STATION_ACTIVE_MODE, - wlvif->basic_rate, true); + ret = wl1271_acx_wake_up_conditions(wl, wlvif, + wl->conf.conn.wake_up_event, + wl->conf.conn.listen_interval); + + if (ret < 0) + wl1271_error("resume: wake up conditions failed: %d", + ret); + } else if (is_ap) { - wl1271_acx_beacon_filter_opt(wl, wlvif, false); + ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); } wl1271_ps_elp_sleep(wl); @@ -1709,9 +1762,6 @@ static int wl1271_op_suspend(struct ieee80211_hw *hw, wl1271_enable_interrupts(wl); flush_work(&wl->tx_work); - wl12xx_for_each_wlvif(wl, wlvif) { - flush_delayed_work(&wlvif->pspoll_work); - } flush_delayed_work(&wl->elp_work); return 0; @@ -1778,11 +1828,25 @@ static void wl1271_op_stop(struct ieee80211_hw *hw) wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); + /* + * Interrupts must be disabled before setting the state to OFF. + * Otherwise, the interrupt handler might be called and exit without + * reading the interrupt status. + */ + wl1271_disable_interrupts(wl); mutex_lock(&wl->mutex); if (wl->state == WL1271_STATE_OFF) { mutex_unlock(&wl->mutex); + + /* + * This will not necessarily enable interrupts as interrupts + * may have been disabled when op_stop was called. It will, + * however, balance the above call to disable_interrupts(). + */ + wl1271_enable_interrupts(wl); return; } + /* * this must be before the cancel_work calls below, so that the work * functions don't perform further work. @@ -1794,7 +1858,6 @@ static void wl1271_op_stop(struct ieee80211_hw *hw) list_del(&wl->list); mutex_unlock(&wl_list_mutex); - wl1271_disable_interrupts(wl); wl1271_flush_deferred_work(wl); cancel_delayed_work_sync(&wl->scan_complete_work); cancel_work_sync(&wl->netstack_work); @@ -1969,7 +2032,6 @@ static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) wl1271_rx_streaming_enable_work); INIT_WORK(&wlvif->rx_streaming_disable_work, wl1271_rx_streaming_disable_work); - INIT_DELAYED_WORK(&wlvif->pspoll_work, wl1271_pspoll_work); INIT_LIST_HEAD(&wlvif->list); setup_timer(&wlvif->rx_streaming_timer, wl1271_rx_streaming_timer, @@ -1986,7 +2048,7 @@ static bool wl12xx_init_fw(struct wl1271 *wl) while (retries) { retries--; - ret = wl1271_chip_wakeup(wl); + ret = wl12xx_chip_wakeup(wl, false); if (ret < 0) goto power_off; @@ -2051,11 +2113,60 @@ static bool wl12xx_dev_role_started(struct wl12xx_vif *wlvif) return wlvif->dev_hlid != WL12XX_INVALID_LINK_ID; } +/* + * Check whether a fw switch (i.e. moving from one loaded + * fw to another) is needed. This function is also responsible + * for updating wl->last_vif_count, so it must be called before + * loading a non-plt fw (so the correct fw (single-role/multi-role) + * will be used). + */ +static bool wl12xx_need_fw_change(struct wl1271 *wl, + struct vif_counter_data vif_counter_data, + bool add) +{ + enum wl12xx_fw_type current_fw = wl->fw_type; + u8 vif_count = vif_counter_data.counter; + + if (test_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags)) + return false; + + /* increase the vif count if this is a new vif */ + if (add && !vif_counter_data.cur_vif_running) + vif_count++; + + wl->last_vif_count = vif_count; + + /* no need for fw change if the device is OFF */ + if (wl->state == WL1271_STATE_OFF) + return false; + + if (vif_count > 1 && current_fw == WL12XX_FW_TYPE_NORMAL) + return true; + if (vif_count <= 1 && current_fw == WL12XX_FW_TYPE_MULTI) + return true; + + return false; +} + +/* + * Enter "forced psm". Make sure the sta is in psm against the ap, + * to make the fw switch a bit more disconnection-persistent. + */ +static void wl12xx_force_active_psm(struct wl1271 *wl) +{ + struct wl12xx_vif *wlvif; + + wl12xx_for_each_wlvif_sta(wl, wlvif) { + wl1271_ps_set_mode(wl, wlvif, STATION_POWER_SAVE_MODE); + } +} + static int wl1271_op_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct wl1271 *wl = hw->priv; struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); + struct vif_counter_data vif_count; int ret = 0; u8 role_type; bool booted = false; @@ -2066,18 +2177,13 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", ieee80211_vif_type_p2p(vif), vif->addr); + wl12xx_get_vif_count(hw, vif, &vif_count); + mutex_lock(&wl->mutex); ret = wl1271_ps_elp_wakeup(wl); if (ret < 0) goto out_unlock; - if (wl->vif) { - wl1271_debug(DEBUG_MAC80211, - "multiple vifs are not supported yet"); - ret = -EBUSY; - goto out; - } - /* * in some very corner case HW recovery scenarios its possible to * get here before __wl1271_op_remove_interface is complete, so @@ -2089,6 +2195,7 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, goto out; } + ret = wl12xx_init_vif_data(wl, vif); if (ret < 0) goto out; @@ -2100,6 +2207,13 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, goto out; } + if (wl12xx_need_fw_change(wl, vif_count, true)) { + wl12xx_force_active_psm(wl); + mutex_unlock(&wl->mutex); + wl1271_recovery_work(&wl->recovery_work); + return 0; + } + /* * TODO: after the nvs issue will be solved, move this block * to start(), and make sure here the driver is ON. @@ -2109,7 +2223,7 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, * we still need this in order to configure the fw * while uploading the nvs */ - memcpy(wl->mac_addr, vif->addr, ETH_ALEN); + memcpy(wl->addresses[0].addr, vif->addr, ETH_ALEN); booted = wl12xx_init_fw(wl); if (!booted) { @@ -2142,7 +2256,6 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw, if (ret < 0) goto out; - wl->vif = vif; list_add(&wlvif->list, &wl->wlvif_list); set_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags); @@ -2175,18 +2288,12 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl, if (!test_and_clear_bit(WLVIF_FLAG_INITIALIZED, &wlvif->flags)) return; - wl->vif = NULL; - /* because of hardware recovery, we may get here twice */ if (wl->state != WL1271_STATE_ON) return; wl1271_info("down"); - /* enable dyn ps just in case (if left on due to fw crash etc) */ - if (wlvif->bss_type == BSS_TYPE_STA_BSS) - ieee80211_enable_dyn_ps(vif); - if (wl->scan.state != WL1271_SCAN_STATE_IDLE && wl->scan_vif == vif) { wl->scan.state = WL1271_SCAN_STATE_IDLE; @@ -2253,10 +2360,10 @@ deinit: wl->sta_count--; mutex_unlock(&wl->mutex); + del_timer_sync(&wlvif->rx_streaming_timer); cancel_work_sync(&wlvif->rx_streaming_enable_work); cancel_work_sync(&wlvif->rx_streaming_disable_work); - cancel_delayed_work_sync(&wlvif->pspoll_work); mutex_lock(&wl->mutex); } @@ -2267,7 +2374,10 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw, struct wl1271 *wl = hw->priv; struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); struct wl12xx_vif *iter; + struct vif_counter_data vif_count; + bool cancel_recovery = true; + wl12xx_get_vif_count(hw, vif, &vif_count); mutex_lock(&wl->mutex); if (wl->state == WL1271_STATE_OFF || @@ -2286,20 +2396,33 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw, break; } WARN_ON(iter != wlvif); + if (wl12xx_need_fw_change(wl, vif_count, false)) { + wl12xx_force_active_psm(wl); + wl12xx_queue_recovery_work(wl); + cancel_recovery = false; + } out: mutex_unlock(&wl->mutex); - cancel_work_sync(&wl->recovery_work); + if (cancel_recovery) + cancel_work_sync(&wl->recovery_work); } static int wl12xx_op_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum nl80211_iftype new_type, bool p2p) { + struct wl1271 *wl = hw->priv; + int ret; + + set_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags); wl1271_op_remove_interface(hw, vif); vif->type = ieee80211_iftype_p2p(new_type, p2p); vif->p2p = p2p; - return wl1271_op_add_interface(hw, vif); + ret = wl1271_op_add_interface(hw, vif); + + clear_bit(WL1271_FLAG_VIF_CHANGE_IN_PROGRESS, &wl->flags); + return ret; } static int wl1271_join(struct wl1271 *wl, struct wl12xx_vif *wlvif, @@ -2320,6 +2443,9 @@ static int wl1271_join(struct wl1271 *wl, struct wl12xx_vif *wlvif, if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) wl1271_info("JOIN while associated."); + /* clear encryption type */ + wlvif->encryption_type = KEY_NONE; + if (set_assoc) set_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags); @@ -2503,38 +2629,41 @@ static int wl12xx_config_vif(struct wl1271 *wl, struct wl12xx_vif *wlvif, } } - /* - * if mac80211 changes the PSM mode, make sure the mode is not - * incorrectly changed after the pspoll failure active window. - */ - if (changed & IEEE80211_CONF_CHANGE_PS) - clear_bit(WLVIF_FLAG_PSPOLL_FAILURE, &wlvif->flags); + if ((changed & IEEE80211_CONF_CHANGE_PS) && !is_ap) { - if (conf->flags & IEEE80211_CONF_PS && - !test_bit(WLVIF_FLAG_PSM_REQUESTED, &wlvif->flags)) { - set_bit(WLVIF_FLAG_PSM_REQUESTED, &wlvif->flags); + if ((conf->flags & IEEE80211_CONF_PS) && + test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) && + !test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { - /* - * We enter PSM only if we're already associated. - * If we're not, we'll enter it when joining an SSID, - * through the bss_info_changed() hook. - */ - if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { - wl1271_debug(DEBUG_PSM, "psm enabled"); - ret = wl1271_ps_set_mode(wl, wlvif, - STATION_POWER_SAVE_MODE, - wlvif->basic_rate, true); - } - } else if (!(conf->flags & IEEE80211_CONF_PS) && - test_bit(WLVIF_FLAG_PSM_REQUESTED, &wlvif->flags)) { - wl1271_debug(DEBUG_PSM, "psm disabled"); + int ps_mode; + char *ps_mode_str; - clear_bit(WLVIF_FLAG_PSM_REQUESTED, &wlvif->flags); + if (wl->conf.conn.forced_ps) { + ps_mode = STATION_POWER_SAVE_MODE; + ps_mode_str = "forced"; + } else { + ps_mode = STATION_AUTO_PS_MODE; + ps_mode_str = "auto"; + } + + wl1271_debug(DEBUG_PSM, "%s ps enabled", ps_mode_str); + + ret = wl1271_ps_set_mode(wl, wlvif, ps_mode); + + if (ret < 0) + wl1271_warning("enter %s ps failed %d", + ps_mode_str, ret); + + } else if (!(conf->flags & IEEE80211_CONF_PS) && + test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) { + + wl1271_debug(DEBUG_PSM, "auto ps disabled"); - if (test_bit(WLVIF_FLAG_PSM, &wlvif->flags)) ret = wl1271_ps_set_mode(wl, wlvif, - STATION_ACTIVE_MODE, - wlvif->basic_rate, true); + STATION_ACTIVE_MODE); + if (ret < 0) + wl1271_warning("exit auto ps failed %d", ret); + } } if (conf->power_level != wlvif->power_level) { @@ -2974,6 +3103,21 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, wl1271_error("Could not add or replace key"); goto out_sleep; } + + /* + * reconfiguring arp response if the unicast (or common) + * encryption key type was changed + */ + if (wlvif->bss_type == BSS_TYPE_STA_BSS && + (sta || key_type == KEY_WEP) && + wlvif->encryption_type != key_type) { + wlvif->encryption_type = key_type; + ret = wl1271_cmd_build_arp_rsp(wl, wlvif); + if (ret < 0) { + wl1271_warning("build arp rsp failed: %d", ret); + goto out_sleep; + } + } break; case DISABLE_KEY: @@ -3043,10 +3187,6 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw, goto out_sleep; } - /* cancel ROC before scanning */ - if (wl12xx_dev_role_started(wlvif)) - wl12xx_stop_dev(wl, wlvif); - ret = wl1271_scan(hw->priv, vif, ssid, len, req); out_sleep: wl1271_ps_elp_sleep(wl); @@ -3108,6 +3248,11 @@ static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw, mutex_lock(&wl->mutex); + if (wl->state == WL1271_STATE_OFF) { + ret = -EAGAIN; + goto out; + } + ret = wl1271_ps_elp_wakeup(wl); if (ret < 0) goto out; @@ -3139,6 +3284,9 @@ static void wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, mutex_lock(&wl->mutex); + if (wl->state == WL1271_STATE_OFF) + goto out; + ret = wl1271_ps_elp_wakeup(wl); if (ret < 0) goto out; @@ -3266,6 +3414,7 @@ static void wl12xx_remove_vendor_ie(struct sk_buff *skb, static int wl1271_ap_set_probe_resp_tmpl(struct wl1271 *wl, u32 rates, struct ieee80211_vif *vif) { + struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); struct sk_buff *skb; int ret; @@ -3273,7 +3422,7 @@ static int wl1271_ap_set_probe_resp_tmpl(struct wl1271 *wl, u32 rates, if (!skb) return -EOPNOTSUPP; - ret = wl1271_cmd_template_set(wl, + ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_AP_PROBE_RESPONSE, skb->data, skb->len, 0, @@ -3297,7 +3446,7 @@ static int wl1271_ap_set_probe_resp_tmpl_legacy(struct wl1271 *wl, /* no need to change probe response if the SSID is set correctly */ if (wlvif->ssid_len > 0) - return wl1271_cmd_template_set(wl, + return wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_AP_PROBE_RESPONSE, probe_rsp_data, probe_rsp_len, 0, @@ -3334,7 +3483,7 @@ static int wl1271_ap_set_probe_resp_tmpl_legacy(struct wl1271 *wl, ptr, probe_rsp_len - (ptr - probe_rsp_data)); templ_len += probe_rsp_len - (ptr - probe_rsp_data); - return wl1271_cmd_template_set(wl, + return wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_AP_PROBE_RESPONSE, probe_rsp_templ, templ_len, 0, @@ -3431,7 +3580,7 @@ static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, min_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : CMD_TEMPL_BEACON; - ret = wl1271_cmd_template_set(wl, tmpl_id, + ret = wl1271_cmd_template_set(wl, wlvif->role_id, tmpl_id, beacon->data, beacon->len, 0, min_rate); @@ -3470,7 +3619,7 @@ static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, beacon->len, min_rate); else - ret = wl1271_cmd_template_set(wl, + ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_PROBE_RESPONSE, beacon->data, beacon->len, 0, @@ -3634,7 +3783,8 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, wlvif->rssi_thold = bss_conf->cqm_rssi_thold; } - if (changed & BSS_CHANGED_BSSID) + if (changed & BSS_CHANGED_BSSID && + (is_ibss || bss_conf->assoc)) if (!is_zero_ether_addr(bss_conf->bssid)) { ret = wl12xx_cmd_build_null_data(wl, wlvif); if (ret < 0) @@ -3673,8 +3823,6 @@ sta_not_found: wlvif->aid = bss_conf->aid; set_assoc = true; - wlvif->ps_poll_failures = 0; - /* * use basic rates from AP, and determine lowest rate * to use with control frames. @@ -3734,9 +3882,6 @@ sta_not_found: dev_kfree_skb(wlvif->probereq); wlvif->probereq = NULL; - /* re-enable dynamic ps - just in case */ - ieee80211_enable_dyn_ps(vif); - /* revert back to minimum rates for the current band */ wl1271_set_band_rate(wl, wlvif); wlvif->basic_rate = @@ -3810,34 +3955,6 @@ sta_not_found: if (ret < 0) goto out; - if (changed & BSS_CHANGED_ARP_FILTER) { - __be32 addr = bss_conf->arp_addr_list[0]; - WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS); - - if (bss_conf->arp_addr_cnt == 1 && - bss_conf->arp_filter_enabled) { - /* - * The template should have been configured only upon - * association. however, it seems that the correct ip - * isn't being set (when sending), so we have to - * reconfigure the template upon every ip change. - */ - ret = wl1271_cmd_build_arp_rsp(wl, wlvif, addr); - if (ret < 0) { - wl1271_warning("build arp rsp failed: %d", ret); - goto out; - } - - ret = wl1271_acx_arp_ip_filter(wl, wlvif, - ACX_ARP_FILTER_ARP_FILTERING, - addr); - } else - ret = wl1271_acx_arp_ip_filter(wl, wlvif, 0, addr); - - if (ret < 0) - goto out; - } - if (do_join) { ret = wl1271_join(wl, wlvif, set_assoc); if (ret < 0) { @@ -3863,19 +3980,6 @@ sta_not_found: if (ret < 0) goto out; } - - /* If we want to go in PSM but we're not there yet */ - if (test_bit(WLVIF_FLAG_PSM_REQUESTED, &wlvif->flags) && - !test_bit(WLVIF_FLAG_PSM, &wlvif->flags)) { - enum wl1271_cmd_ps_mode mode; - - mode = STATION_POWER_SAVE_MODE; - ret = wl1271_ps_set_mode(wl, wlvif, mode, - wlvif->basic_rate, - true); - if (ret < 0) - goto out; - } } /* Handle new association with HT. Do this after join. */ @@ -3917,6 +4021,41 @@ sta_not_found: } } + /* Handle arp filtering. Done after join. */ + if ((changed & BSS_CHANGED_ARP_FILTER) || + (!is_ibss && (changed & BSS_CHANGED_QOS))) { + __be32 addr = bss_conf->arp_addr_list[0]; + wlvif->sta.qos = bss_conf->qos; + WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS); + + if (bss_conf->arp_addr_cnt == 1 && + bss_conf->arp_filter_enabled) { + wlvif->ip_addr = addr; + /* + * The template should have been configured only upon + * association. however, it seems that the correct ip + * isn't being set (when sending), so we have to + * reconfigure the template upon every ip change. + */ + ret = wl1271_cmd_build_arp_rsp(wl, wlvif); + if (ret < 0) { + wl1271_warning("build arp rsp failed: %d", ret); + goto out; + } + + ret = wl1271_acx_arp_ip_filter(wl, wlvif, + (ACX_ARP_FILTER_ARP_FILTERING | + ACX_ARP_FILTER_AUTO_ARP), + addr); + } else { + wlvif->ip_addr = 0; + ret = wl1271_acx_arp_ip_filter(wl, wlvif, 0, addr); + } + + if (ret < 0) + goto out; + } + out: return; } @@ -4012,6 +4151,7 @@ static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw, { struct wl1271 *wl = hw->priv; + struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); u64 mactime = ULLONG_MAX; int ret; @@ -4026,7 +4166,7 @@ static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw, if (ret < 0) goto out; - ret = wl1271_acx_tsf_info(wl, &mactime); + ret = wl12xx_acx_tsf_info(wl, wlvif, &mactime); if (ret < 0) goto out_sleep; @@ -4373,7 +4513,7 @@ static void wl12xx_op_channel_switch(struct ieee80211_hw *hw, /* TODO: change mac80211 to pass vif as param */ wl12xx_for_each_wlvif_sta(wl, wlvif) { - ret = wl12xx_cmd_channel_switch(wl, ch_switch); + ret = wl12xx_cmd_channel_switch(wl, wlvif, ch_switch); if (!ret) set_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags); @@ -4467,6 +4607,7 @@ static struct ieee80211_channel wl1271_channels[] = { /* mapping to indexes for wl1271_rates */ static const u8 wl1271_rate_to_idx_2ghz[] = { /* MCS rates are used only with 11n */ + 7, /* CONF_HW_RXTX_RATE_MCS7_SGI */ 7, /* CONF_HW_RXTX_RATE_MCS7 */ 6, /* CONF_HW_RXTX_RATE_MCS6 */ 5, /* CONF_HW_RXTX_RATE_MCS5 */ @@ -4588,6 +4729,7 @@ static struct ieee80211_channel wl1271_channels_5ghz[] = { /* mapping to indexes for wl1271_rates_5ghz */ static const u8 wl1271_rate_to_idx_5ghz[] = { /* MCS rates are used only with 11n */ + 7, /* CONF_HW_RXTX_RATE_MCS7_SGI */ 7, /* CONF_HW_RXTX_RATE_MCS7 */ 6, /* CONF_HW_RXTX_RATE_MCS6 */ 5, /* CONF_HW_RXTX_RATE_MCS5 */ @@ -4828,13 +4970,120 @@ static struct bin_attribute fwlog_attr = { .read = wl1271_sysfs_read_fwlog, }; +static bool wl12xx_mac_in_fuse(struct wl1271 *wl) +{ + bool supported = false; + u8 major, minor; + + if (wl->chip.id == CHIP_ID_1283_PG20) { + major = WL128X_PG_GET_MAJOR(wl->hw_pg_ver); + minor = WL128X_PG_GET_MINOR(wl->hw_pg_ver); + + /* in wl128x we have the MAC address if the PG is >= (2, 1) */ + if (major > 2 || (major == 2 && minor >= 1)) + supported = true; + } else { + major = WL127X_PG_GET_MAJOR(wl->hw_pg_ver); + minor = WL127X_PG_GET_MINOR(wl->hw_pg_ver); + + /* in wl127x we have the MAC address if the PG is >= (3, 1) */ + if (major == 3 && minor >= 1) + supported = true; + } + + wl1271_debug(DEBUG_PROBE, + "PG Ver major = %d minor = %d, MAC %s present", + major, minor, supported ? "is" : "is not"); + + return supported; +} + +static void wl12xx_derive_mac_addresses(struct wl1271 *wl, + u32 oui, u32 nic, int n) +{ + int i; + + wl1271_debug(DEBUG_PROBE, "base address: oui %06x nic %06x, n %d", + oui, nic, n); + + if (nic + n - 1 > 0xffffff) + wl1271_warning("NIC part of the MAC address wraps around!"); + + for (i = 0; i < n; i++) { + wl->addresses[i].addr[0] = (u8)(oui >> 16); + wl->addresses[i].addr[1] = (u8)(oui >> 8); + wl->addresses[i].addr[2] = (u8) oui; + wl->addresses[i].addr[3] = (u8)(nic >> 16); + wl->addresses[i].addr[4] = (u8)(nic >> 8); + wl->addresses[i].addr[5] = (u8) nic; + nic++; + } + + wl->hw->wiphy->n_addresses = n; + wl->hw->wiphy->addresses = wl->addresses; +} + +static void wl12xx_get_fuse_mac(struct wl1271 *wl) +{ + u32 mac1, mac2; + + wl1271_set_partition(wl, &wl12xx_part_table[PART_DRPW]); + + mac1 = wl1271_read32(wl, WL12XX_REG_FUSE_BD_ADDR_1); + mac2 = wl1271_read32(wl, WL12XX_REG_FUSE_BD_ADDR_2); + + /* these are the two parts of the BD_ADDR */ + wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) + + ((mac1 & 0xff000000) >> 24); + wl->fuse_nic_addr = mac1 & 0xffffff; + + wl1271_set_partition(wl, &wl12xx_part_table[PART_DOWN]); +} + +static int wl12xx_get_hw_info(struct wl1271 *wl) +{ + int ret; + u32 die_info; + + ret = wl12xx_set_power_on(wl); + if (ret < 0) + goto out; + + wl->chip.id = wl1271_read32(wl, CHIP_ID_B); + + if (wl->chip.id == CHIP_ID_1283_PG20) + die_info = wl1271_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1); + else + die_info = wl1271_top_reg_read(wl, WL127X_REG_FUSE_DATA_2_1); + + wl->hw_pg_ver = (s8) (die_info & PG_VER_MASK) >> PG_VER_OFFSET; + + if (!wl12xx_mac_in_fuse(wl)) { + wl->fuse_oui_addr = 0; + wl->fuse_nic_addr = 0; + } else { + wl12xx_get_fuse_mac(wl); + } + + wl1271_power_off(wl); +out: + return ret; +} + static int wl1271_register_hw(struct wl1271 *wl) { int ret; + u32 oui_addr = 0, nic_addr = 0; if (wl->mac80211_registered) return 0; + ret = wl12xx_get_hw_info(wl); + if (ret < 0) { + wl1271_error("couldn't get hw info"); + goto out; + } + ret = wl1271_fetch_nvs(wl); if (ret == 0) { /* NOTE: The wl->nvs->nvs element must be first, in @@ -4843,20 +5092,25 @@ static int wl1271_register_hw(struct wl1271 *wl) */ u8 *nvs_ptr = (u8 *)wl->nvs; - wl->mac_addr[0] = nvs_ptr[11]; - wl->mac_addr[1] = nvs_ptr[10]; - wl->mac_addr[2] = nvs_ptr[6]; - wl->mac_addr[3] = nvs_ptr[5]; - wl->mac_addr[4] = nvs_ptr[4]; - wl->mac_addr[5] = nvs_ptr[3]; + oui_addr = + (nvs_ptr[11] << 16) + (nvs_ptr[10] << 8) + nvs_ptr[6]; + nic_addr = + (nvs_ptr[5] << 16) + (nvs_ptr[4] << 8) + nvs_ptr[3]; } - SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); + /* if the MAC address is zeroed in the NVS derive from fuse */ + if (oui_addr == 0 && nic_addr == 0) { + oui_addr = wl->fuse_oui_addr; + /* fuse has the BD_ADDR, the WLAN addresses are the next two */ + nic_addr = wl->fuse_nic_addr + 1; + } + + wl12xx_derive_mac_addresses(wl, oui_addr, nic_addr, 2); ret = ieee80211_register_hw(wl->hw); if (ret < 0) { wl1271_error("unable to register mac80211 hw: %d", ret); - return ret; + goto out; } wl->mac80211_registered = true; @@ -4867,13 +5121,14 @@ static int wl1271_register_hw(struct wl1271 *wl) wl1271_notice("loaded"); - return 0; +out: + return ret; } static void wl1271_unregister_hw(struct wl1271 *wl) { - if (wl->state == WL1271_STATE_PLT) - __wl1271_plt_stop(wl); + if (wl->plt) + wl1271_plt_stop(wl); unregister_netdevice_notifier(&wl1271_dev_notifier); ieee80211_unregister_hw(wl->hw); @@ -4892,7 +5147,7 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) }; /* The tx descriptor buffer and the TKIP space. */ - wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + + wl->hw->extra_tx_headroom = WL1271_EXTRA_SPACE_TKIP + sizeof(struct wl1271_tx_hw_descr); /* unit us */ @@ -4902,6 +5157,7 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_SUPPORTS_PS | + IEEE80211_HW_SUPPORTS_DYNAMIC_PS | IEEE80211_HW_SUPPORTS_UAPSD | IEEE80211_HW_HAS_RATE_CONTROL | IEEE80211_HW_CONNECTION_MONITOR | @@ -4909,7 +5165,8 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) IEEE80211_HW_SPECTRUM_MGMT | IEEE80211_HW_AP_LINK_PS | IEEE80211_HW_AMPDU_AGGREGATION | - IEEE80211_HW_TX_AMPDU_SETUP_IN_HW; + IEEE80211_HW_TX_AMPDU_SETUP_IN_HW | + IEEE80211_HW_SCAN_WHILE_IDLE; wl->hw->wiphy->cipher_suites = cipher_suites; wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); @@ -4925,10 +5182,10 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) * should be the maximum length possible for a template, without * the IEEE80211 header of the template */ - wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_DFLT_SIZE - + wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - sizeof(struct ieee80211_header); - wl->hw->wiphy->max_sched_scan_ie_len = WL1271_CMD_TEMPL_DFLT_SIZE - + wl->hw->wiphy->max_sched_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - sizeof(struct ieee80211_header); wl->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; @@ -5022,7 +5279,6 @@ static struct ieee80211_hw *wl1271_alloc_hw(void) wl->rx_counter = 0; wl->power_level = WL1271_DEFAULT_POWER_LEVEL; wl->band = IEEE80211_BAND_2GHZ; - wl->vif = NULL; wl->flags = 0; wl->sg_enabled = true; wl->hw_pg_ver = -1; @@ -5047,6 +5303,7 @@ static struct ieee80211_hw *wl1271_alloc_hw(void) spin_lock_init(&wl->wl_lock); wl->state = WL1271_STATE_OFF; + wl->fw_type = WL12XX_FW_TYPE_NONE; mutex_init(&wl->mutex); /* Apply default driver configuration. */ @@ -5114,6 +5371,7 @@ static int wl1271_free_hw(struct wl1271 *wl) vfree(wl->fw); wl->fw = NULL; + wl->fw_type = WL12XX_FW_TYPE_NONE; kfree(wl->nvs); wl->nvs = NULL; @@ -5300,7 +5558,7 @@ module_param_named(debug_level, wl12xx_debug_level, uint, S_IRUSR | S_IWUSR); MODULE_PARM_DESC(debug_level, "wl12xx debugging level"); module_param_named(fwlog, fwlog_param, charp, 0); -MODULE_PARM_DESC(keymap, +MODULE_PARM_DESC(fwlog, "FW logger options: continuous, ondemand, dbgpins or disable"); module_param(bug_on_recovery, bool, S_IRUSR | S_IWUSR); |