From d6bf9ada92c113e56151b6a993b9b9d5d03f1365 Mon Sep 17 00:00:00 2001 From: Eyal Shapira Date: Tue, 31 Jan 2012 11:57:20 +0200 Subject: [PATCH] wl12xx: remove PS management code Removal of PS management code from the driver as PS is handled by the FW (dynamic PS) Signed-off-by: Eyal Shapira Signed-off-by: Eliad Peller Signed-off-by: Luciano Coelho --- drivers/net/wireless/wl12xx/boot.c | 1 - drivers/net/wireless/wl12xx/conf.h | 7 -- drivers/net/wireless/wl12xx/debugfs.c | 1 - drivers/net/wireless/wl12xx/event.c | 143 -------------------------- drivers/net/wireless/wl12xx/event.h | 5 +- drivers/net/wireless/wl12xx/main.c | 81 +-------------- drivers/net/wireless/wl12xx/wl12xx.h | 6 -- 7 files changed, 5 insertions(+), 239 deletions(-) diff --git a/drivers/net/wireless/wl12xx/boot.c b/drivers/net/wireless/wl12xx/boot.c index eea2dda6e6e7..954101d03f06 100644 --- a/drivers/net/wireless/wl12xx/boot.c +++ b/drivers/net/wireless/wl12xx/boot.c @@ -448,7 +448,6 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl) /* unmask required mbox events */ wl->event_mask = BSS_LOSE_EVENT_ID | SCAN_COMPLETE_EVENT_ID | - PS_REPORT_EVENT_ID | ROLE_STOP_COMPLETE_EVENT_ID | RSSI_SNR_TRIGGER_0_EVENT_ID | PSPOLL_DELIVERY_FAILURE_EVENT_ID | diff --git a/drivers/net/wireless/wl12xx/conf.h b/drivers/net/wireless/wl12xx/conf.h index 1bcfb017058d..47cf80f0b036 100644 --- a/drivers/net/wireless/wl12xx/conf.h +++ b/drivers/net/wireless/wl12xx/conf.h @@ -867,13 +867,6 @@ struct conf_conn_settings { */ u8 ps_poll_threshold; - /* - * PS Poll failure recovery ACTIVE period length - * - * Range: u32 (ms) - */ - u32 ps_poll_recovery_period; - /* * Configuration of signal average weights. */ diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/debugfs.c index 15eb3a9c30ca..5e96e059f2b5 100644 --- a/drivers/net/wireless/wl12xx/debugfs.c +++ b/drivers/net/wireless/wl12xx/debugfs.c @@ -471,7 +471,6 @@ static ssize_t vifs_state_read(struct file *file, char __user *user_buf, VIF_STATE_PRINT_INT(default_key); VIF_STATE_PRINT_INT(aid); VIF_STATE_PRINT_INT(session_counter); - VIF_STATE_PRINT_INT(ps_poll_failures); VIF_STATE_PRINT_INT(psm_entry_retry); VIF_STATE_PRINT_INT(power_level); VIF_STATE_PRINT_INT(rssi_thold); diff --git a/drivers/net/wireless/wl12xx/event.c b/drivers/net/wireless/wl12xx/event.c index cfc38ea21e4a..05cd2ce927c6 100644 --- a/drivers/net/wireless/wl12xx/event.c +++ b/drivers/net/wireless/wl12xx/event.c @@ -30,133 +30,6 @@ #include "scan.h" #include "wl12xx_80211.h" -void wl1271_pspoll_work(struct work_struct *work) -{ - struct ieee80211_vif *vif; - struct wl12xx_vif *wlvif; - struct delayed_work *dwork; - struct wl1271 *wl; - int ret; - - dwork = container_of(work, struct delayed_work, work); - wlvif = container_of(dwork, struct wl12xx_vif, pspoll_work); - vif = container_of((void *)wlvif, struct ieee80211_vif, drv_priv); - wl = wlvif->wl; - - wl1271_debug(DEBUG_EVENT, "pspoll work"); - - mutex_lock(&wl->mutex); - - if (unlikely(wl->state == WL1271_STATE_OFF)) - goto out; - - if (!test_and_clear_bit(WLVIF_FLAG_PSPOLL_FAILURE, &wlvif->flags)) - goto out; - - if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) - goto out; - - /* - * if we end up here, then we were in powersave when the pspoll - * delivery failure occurred, and no-one changed state since, so - * we should go back to powersave. - */ - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) - goto out; - - wl1271_ps_set_mode(wl, wlvif, STATION_POWER_SAVE_MODE, - wlvif->basic_rate, true); - - wl1271_ps_elp_sleep(wl); -out: - mutex_unlock(&wl->mutex); -}; - -static void wl1271_event_pspoll_delivery_fail(struct wl1271 *wl, - struct wl12xx_vif *wlvif) -{ - int delay = wl->conf.conn.ps_poll_recovery_period; - int ret; - - wlvif->ps_poll_failures++; - if (wlvif->ps_poll_failures == 1) - wl1271_info("AP with dysfunctional ps-poll, " - "trying to work around it."); - - /* force active mode receive data from the AP */ - if (test_bit(WLVIF_FLAG_PSM, &wlvif->flags)) { - ret = wl1271_ps_set_mode(wl, wlvif, STATION_ACTIVE_MODE, - wlvif->basic_rate, true); - if (ret < 0) - return; - set_bit(WLVIF_FLAG_PSPOLL_FAILURE, &wlvif->flags); - ieee80211_queue_delayed_work(wl->hw, &wlvif->pspoll_work, - msecs_to_jiffies(delay)); - } - - /* - * If already in active mode, lets we should be getting data from - * the AP right away. If we enter PSM too fast after this, and data - * remains on the AP, we will get another event like this, and we'll - * go into active once more. - */ -} - -static int wl1271_event_ps_report(struct wl1271 *wl, - struct wl12xx_vif *wlvif, - struct event_mailbox *mbox, - bool *beacon_loss) -{ - int ret = 0; - u32 total_retries = wl->conf.conn.psm_entry_retries; - - wl1271_debug(DEBUG_EVENT, "ps_status: 0x%x", mbox->ps_status); - - switch (mbox->ps_status) { - case EVENT_ENTER_POWER_SAVE_FAIL: - wl1271_debug(DEBUG_PSM, "PSM entry failed"); - - if (!test_bit(WLVIF_FLAG_PSM, &wlvif->flags)) { - /* remain in active mode */ - wlvif->psm_entry_retry = 0; - break; - } - - if (wlvif->psm_entry_retry < total_retries) { - wlvif->psm_entry_retry++; - ret = wl1271_ps_set_mode(wl, wlvif, - STATION_POWER_SAVE_MODE, - wlvif->basic_rate, true); - } else { - wl1271_info("No ack to nullfunc from AP."); - wlvif->psm_entry_retry = 0; - *beacon_loss = true; - } - break; - case EVENT_ENTER_POWER_SAVE_SUCCESS: - wlvif->psm_entry_retry = 0; - - /* - * BET has only a minor effect in 5GHz and masks - * channel switch IEs, so we only enable BET on 2.4GHz - */ - if (wlvif->band == IEEE80211_BAND_2GHZ) - /* enable beacon early termination */ - ret = wl1271_acx_bet_enable(wl, wlvif, true); - - if (wlvif->ps_compl) { - complete(wlvif->ps_compl); - wlvif->ps_compl = NULL; - } - break; - default: - break; - } - - return ret; -} - static void wl1271_event_rssi_trigger(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct event_mailbox *mbox) @@ -237,7 +110,6 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox) { struct ieee80211_vif *vif; struct wl12xx_vif *wlvif; - int ret; u32 vector; bool beacon_loss = false; bool disconnect_sta = false; @@ -293,21 +165,6 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox) beacon_loss = true; } - if (vector & PS_REPORT_EVENT_ID) { - wl1271_debug(DEBUG_EVENT, "PS_REPORT_EVENT"); - wl12xx_for_each_wlvif_sta(wl, wlvif) { - ret = wl1271_event_ps_report(wl, wlvif, - mbox, &beacon_loss); - if (ret < 0) - return ret; - } - } - - if (vector & PSPOLL_DELIVERY_FAILURE_EVENT_ID) - wl12xx_for_each_wlvif_sta(wl, wlvif) { - wl1271_event_pspoll_delivery_fail(wl, wlvif); - } - if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) { /* TODO: check actual multi-role support */ wl1271_debug(DEBUG_EVENT, "RSSI_SNR_TRIGGER_0_EVENT"); diff --git a/drivers/net/wireless/wl12xx/event.h b/drivers/net/wireless/wl12xx/event.h index b41f730f11dd..057d193d3525 100644 --- a/drivers/net/wireless/wl12xx/event.h +++ b/drivers/net/wireless/wl12xx/event.h @@ -51,7 +51,7 @@ enum { SCAN_COMPLETE_EVENT_ID = BIT(10), WFD_DISCOVERY_COMPLETE_EVENT_ID = BIT(11), AP_DISCOVERY_COMPLETE_EVENT_ID = BIT(12), - PS_REPORT_EVENT_ID = BIT(13), + RESERVED1 = BIT(13), PSPOLL_DELIVERY_FAILURE_EVENT_ID = BIT(14), ROLE_STOP_COMPLETE_EVENT_ID = BIT(15), RADAR_DETECTED_EVENT_ID = BIT(16), @@ -96,7 +96,7 @@ struct event_mailbox { s8 rssi_snr_trigger_metric[NUM_OF_RSSI_SNR_TRIGGERS]; u8 change_auto_mode_timeout; u8 scheduled_scan_status; - u8 ps_status; + u8 reserved4; /* tuned channel (roc) */ u8 roc_channel; @@ -135,6 +135,5 @@ struct event_mailbox { int wl1271_event_unmask(struct wl1271 *wl); void wl1271_event_mbox_config(struct wl1271 *wl); int wl1271_event_handle(struct wl1271 *wl, u8 mbox); -void wl1271_pspoll_work(struct work_struct *work); #endif diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index a339a85ecfb0..74d4abb25ab1 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -235,7 +235,6 @@ 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, @@ -1570,57 +1569,6 @@ static struct notifier_block wl1271_dev_notifier = { }; #ifdef CONFIG_PM -static int wl1271_configure_suspend_sta(struct wl1271 *wl, - struct wl12xx_vif *wlvif) -{ - int ret = 0; - - mutex_lock(&wl->mutex); - - if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) - goto out_unlock; - - ret = wl1271_ps_elp_wakeup(wl); - if (ret < 0) - goto out_unlock; - - /* enter psm if needed*/ - if (!test_bit(WLVIF_FLAG_PSM, &wlvif->flags)) { - DECLARE_COMPLETION_ONSTACK(compl); - - 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)); - - 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; - -} static int wl1271_configure_suspend_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) @@ -1648,8 +1596,6 @@ out_unlock: static int wl1271_configure_suspend(struct wl1271 *wl, struct wl12xx_vif *wlvif) { - if (wlvif->bss_type == BSS_TYPE_STA_BSS) - return wl1271_configure_suspend_sta(wl, wlvif); if (wlvif->bss_type == BSS_TYPE_AP_BSS) return wl1271_configure_suspend_ap(wl, wlvif); return 0; @@ -1659,10 +1605,9 @@ static void wl1271_configure_resume(struct wl1271 *wl, struct wl12xx_vif *wlvif) { int ret; - bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS; - if (!is_sta && !is_ap) + if (!is_ap) return; mutex_lock(&wl->mutex); @@ -1670,14 +1615,7 @@ static void wl1271_configure_resume(struct wl1271 *wl, if (ret < 0) 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); - } else if (is_ap) { - wl1271_acx_beacon_filter_opt(wl, wlvif, false); - } + wl1271_acx_beacon_filter_opt(wl, wlvif, false); wl1271_ps_elp_sleep(wl); out: @@ -1719,9 +1657,6 @@ 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; @@ -1994,7 +1929,6 @@ 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, @@ -2278,10 +2212,10 @@ 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); } @@ -2528,13 +2462,6 @@ 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 (conf->flags & IEEE80211_CONF_PS && !test_bit(WLVIF_FLAG_PSM_REQUESTED, &wlvif->flags)) { set_bit(WLVIF_FLAG_PSM_REQUESTED, &wlvif->flags); @@ -3708,8 +3635,6 @@ 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. diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h index b9bfbfffc5c0..e18e6160fdab 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl12xx.h @@ -565,12 +565,6 @@ struct wl12xx_vif { /* Session counter for the chipset */ int session_counter; - struct completion *ps_compl; - struct delayed_work pspoll_work; - - /* counter for ps-poll delivery failures */ - int ps_poll_failures; - /* retry counter for PSM entries */ u8 psm_entry_retry; -- 2.34.1