From e5fd91f1ef340da553f7a79da9540c3db711c937 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 8 Sep 2015 01:01:14 -0300 Subject: Linux-libre 4.2-gnu --- net/mac80211/led.c | 268 +++++++++++++++++++++++++++++++++-------------------- 1 file changed, 170 insertions(+), 98 deletions(-) (limited to 'net/mac80211/led.c') diff --git a/net/mac80211/led.c b/net/mac80211/led.c index e2b836446..0505845b7 100644 --- a/net/mac80211/led.c +++ b/net/mac80211/led.c @@ -12,96 +12,175 @@ #include #include "led.h" -#define MAC80211_BLINK_DELAY 50 /* ms */ - -void ieee80211_led_rx(struct ieee80211_local *local) -{ - unsigned long led_delay = MAC80211_BLINK_DELAY; - if (unlikely(!local->rx_led)) - return; - led_trigger_blink_oneshot(local->rx_led, &led_delay, &led_delay, 0); -} - -void ieee80211_led_tx(struct ieee80211_local *local) -{ - unsigned long led_delay = MAC80211_BLINK_DELAY; - if (unlikely(!local->tx_led)) - return; - led_trigger_blink_oneshot(local->tx_led, &led_delay, &led_delay, 0); -} - void ieee80211_led_assoc(struct ieee80211_local *local, bool associated) { - if (unlikely(!local->assoc_led)) + if (!atomic_read(&local->assoc_led_active)) return; if (associated) - led_trigger_event(local->assoc_led, LED_FULL); + led_trigger_event(&local->assoc_led, LED_FULL); else - led_trigger_event(local->assoc_led, LED_OFF); + led_trigger_event(&local->assoc_led, LED_OFF); } void ieee80211_led_radio(struct ieee80211_local *local, bool enabled) { - if (unlikely(!local->radio_led)) + if (!atomic_read(&local->radio_led_active)) return; if (enabled) - led_trigger_event(local->radio_led, LED_FULL); + led_trigger_event(&local->radio_led, LED_FULL); else - led_trigger_event(local->radio_led, LED_OFF); + led_trigger_event(&local->radio_led, LED_OFF); +} + +void ieee80211_alloc_led_names(struct ieee80211_local *local) +{ + local->rx_led.name = kasprintf(GFP_KERNEL, "%srx", + wiphy_name(local->hw.wiphy)); + local->tx_led.name = kasprintf(GFP_KERNEL, "%stx", + wiphy_name(local->hw.wiphy)); + local->assoc_led.name = kasprintf(GFP_KERNEL, "%sassoc", + wiphy_name(local->hw.wiphy)); + local->radio_led.name = kasprintf(GFP_KERNEL, "%sradio", + wiphy_name(local->hw.wiphy)); +} + +void ieee80211_free_led_names(struct ieee80211_local *local) +{ + kfree(local->rx_led.name); + kfree(local->tx_led.name); + kfree(local->assoc_led.name); + kfree(local->radio_led.name); +} + +static void ieee80211_tx_led_activate(struct led_classdev *led_cdev) +{ + struct ieee80211_local *local = container_of(led_cdev->trigger, + struct ieee80211_local, + tx_led); + + atomic_inc(&local->tx_led_active); +} + +static void ieee80211_tx_led_deactivate(struct led_classdev *led_cdev) +{ + struct ieee80211_local *local = container_of(led_cdev->trigger, + struct ieee80211_local, + tx_led); + + atomic_dec(&local->tx_led_active); +} + +static void ieee80211_rx_led_activate(struct led_classdev *led_cdev) +{ + struct ieee80211_local *local = container_of(led_cdev->trigger, + struct ieee80211_local, + rx_led); + + atomic_inc(&local->rx_led_active); +} + +static void ieee80211_rx_led_deactivate(struct led_classdev *led_cdev) +{ + struct ieee80211_local *local = container_of(led_cdev->trigger, + struct ieee80211_local, + rx_led); + + atomic_dec(&local->rx_led_active); +} + +static void ieee80211_assoc_led_activate(struct led_classdev *led_cdev) +{ + struct ieee80211_local *local = container_of(led_cdev->trigger, + struct ieee80211_local, + assoc_led); + + atomic_inc(&local->assoc_led_active); +} + +static void ieee80211_assoc_led_deactivate(struct led_classdev *led_cdev) +{ + struct ieee80211_local *local = container_of(led_cdev->trigger, + struct ieee80211_local, + assoc_led); + + atomic_dec(&local->assoc_led_active); +} + +static void ieee80211_radio_led_activate(struct led_classdev *led_cdev) +{ + struct ieee80211_local *local = container_of(led_cdev->trigger, + struct ieee80211_local, + radio_led); + + atomic_inc(&local->radio_led_active); +} + +static void ieee80211_radio_led_deactivate(struct led_classdev *led_cdev) +{ + struct ieee80211_local *local = container_of(led_cdev->trigger, + struct ieee80211_local, + radio_led); + + atomic_dec(&local->radio_led_active); +} + +static void ieee80211_tpt_led_activate(struct led_classdev *led_cdev) +{ + struct ieee80211_local *local = container_of(led_cdev->trigger, + struct ieee80211_local, + tpt_led); + + atomic_inc(&local->tpt_led_active); } -void ieee80211_led_names(struct ieee80211_local *local) +static void ieee80211_tpt_led_deactivate(struct led_classdev *led_cdev) { - snprintf(local->rx_led_name, sizeof(local->rx_led_name), - "%srx", wiphy_name(local->hw.wiphy)); - snprintf(local->tx_led_name, sizeof(local->tx_led_name), - "%stx", wiphy_name(local->hw.wiphy)); - snprintf(local->assoc_led_name, sizeof(local->assoc_led_name), - "%sassoc", wiphy_name(local->hw.wiphy)); - snprintf(local->radio_led_name, sizeof(local->radio_led_name), - "%sradio", wiphy_name(local->hw.wiphy)); + struct ieee80211_local *local = container_of(led_cdev->trigger, + struct ieee80211_local, + tpt_led); + + atomic_dec(&local->tpt_led_active); } void ieee80211_led_init(struct ieee80211_local *local) { - local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); - if (local->rx_led) { - local->rx_led->name = local->rx_led_name; - if (led_trigger_register(local->rx_led)) { - kfree(local->rx_led); - local->rx_led = NULL; - } + atomic_set(&local->rx_led_active, 0); + local->rx_led.activate = ieee80211_rx_led_activate; + local->rx_led.deactivate = ieee80211_rx_led_deactivate; + if (local->rx_led.name && led_trigger_register(&local->rx_led)) { + kfree(local->rx_led.name); + local->rx_led.name = NULL; } - local->tx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); - if (local->tx_led) { - local->tx_led->name = local->tx_led_name; - if (led_trigger_register(local->tx_led)) { - kfree(local->tx_led); - local->tx_led = NULL; - } + atomic_set(&local->tx_led_active, 0); + local->tx_led.activate = ieee80211_tx_led_activate; + local->tx_led.deactivate = ieee80211_tx_led_deactivate; + if (local->tx_led.name && led_trigger_register(&local->tx_led)) { + kfree(local->tx_led.name); + local->tx_led.name = NULL; } - local->assoc_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); - if (local->assoc_led) { - local->assoc_led->name = local->assoc_led_name; - if (led_trigger_register(local->assoc_led)) { - kfree(local->assoc_led); - local->assoc_led = NULL; - } + atomic_set(&local->assoc_led_active, 0); + local->assoc_led.activate = ieee80211_assoc_led_activate; + local->assoc_led.deactivate = ieee80211_assoc_led_deactivate; + if (local->assoc_led.name && led_trigger_register(&local->assoc_led)) { + kfree(local->assoc_led.name); + local->assoc_led.name = NULL; } - local->radio_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); - if (local->radio_led) { - local->radio_led->name = local->radio_led_name; - if (led_trigger_register(local->radio_led)) { - kfree(local->radio_led); - local->radio_led = NULL; - } + atomic_set(&local->radio_led_active, 0); + local->radio_led.activate = ieee80211_radio_led_activate; + local->radio_led.deactivate = ieee80211_radio_led_deactivate; + if (local->radio_led.name && led_trigger_register(&local->radio_led)) { + kfree(local->radio_led.name); + local->radio_led.name = NULL; } + atomic_set(&local->tpt_led_active, 0); if (local->tpt_led_trigger) { - if (led_trigger_register(&local->tpt_led_trigger->trig)) { + local->tpt_led.activate = ieee80211_tpt_led_activate; + local->tpt_led.deactivate = ieee80211_tpt_led_deactivate; + if (led_trigger_register(&local->tpt_led)) { kfree(local->tpt_led_trigger); local->tpt_led_trigger = NULL; } @@ -110,58 +189,50 @@ void ieee80211_led_init(struct ieee80211_local *local) void ieee80211_led_exit(struct ieee80211_local *local) { - if (local->radio_led) { - led_trigger_unregister(local->radio_led); - kfree(local->radio_led); - } - if (local->assoc_led) { - led_trigger_unregister(local->assoc_led); - kfree(local->assoc_led); - } - if (local->tx_led) { - led_trigger_unregister(local->tx_led); - kfree(local->tx_led); - } - if (local->rx_led) { - led_trigger_unregister(local->rx_led); - kfree(local->rx_led); - } + if (local->radio_led.name) + led_trigger_unregister(&local->radio_led); + if (local->assoc_led.name) + led_trigger_unregister(&local->assoc_led); + if (local->tx_led.name) + led_trigger_unregister(&local->tx_led); + if (local->rx_led.name) + led_trigger_unregister(&local->rx_led); if (local->tpt_led_trigger) { - led_trigger_unregister(&local->tpt_led_trigger->trig); + led_trigger_unregister(&local->tpt_led); kfree(local->tpt_led_trigger); } } -char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw) +const char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); - return local->radio_led_name; + return local->radio_led.name; } EXPORT_SYMBOL(__ieee80211_get_radio_led_name); -char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw) +const char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); - return local->assoc_led_name; + return local->assoc_led.name; } EXPORT_SYMBOL(__ieee80211_get_assoc_led_name); -char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw) +const char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); - return local->tx_led_name; + return local->tx_led.name; } EXPORT_SYMBOL(__ieee80211_get_tx_led_name); -char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw) +const char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); - return local->rx_led_name; + return local->rx_led.name; } EXPORT_SYMBOL(__ieee80211_get_rx_led_name); @@ -205,16 +276,17 @@ static void tpt_trig_timer(unsigned long data) } } - read_lock(&tpt_trig->trig.leddev_list_lock); - list_for_each_entry(led_cdev, &tpt_trig->trig.led_cdevs, trig_list) + read_lock(&local->tpt_led.leddev_list_lock); + list_for_each_entry(led_cdev, &local->tpt_led.led_cdevs, trig_list) led_blink_set(led_cdev, &on, &off); - read_unlock(&tpt_trig->trig.leddev_list_lock); + read_unlock(&local->tpt_led.leddev_list_lock); } -char *__ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw, - unsigned int flags, - const struct ieee80211_tpt_blink *blink_table, - unsigned int blink_table_len) +const char * +__ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw, + unsigned int flags, + const struct ieee80211_tpt_blink *blink_table, + unsigned int blink_table_len) { struct ieee80211_local *local = hw_to_local(hw); struct tpt_led_trigger *tpt_trig; @@ -229,7 +301,7 @@ char *__ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw, snprintf(tpt_trig->name, sizeof(tpt_trig->name), "%stpt", wiphy_name(local->hw.wiphy)); - tpt_trig->trig.name = tpt_trig->name; + local->tpt_led.name = tpt_trig->name; tpt_trig->blink_table = blink_table; tpt_trig->blink_table_len = blink_table_len; @@ -269,10 +341,10 @@ static void ieee80211_stop_tpt_led_trig(struct ieee80211_local *local) tpt_trig->running = false; del_timer_sync(&tpt_trig->timer); - read_lock(&tpt_trig->trig.leddev_list_lock); - list_for_each_entry(led_cdev, &tpt_trig->trig.led_cdevs, trig_list) + read_lock(&local->tpt_led.leddev_list_lock); + list_for_each_entry(led_cdev, &local->tpt_led.led_cdevs, trig_list) led_set_brightness(led_cdev, LED_OFF); - read_unlock(&tpt_trig->trig.leddev_list_lock); + read_unlock(&local->tpt_led.leddev_list_lock); } void ieee80211_mod_tpt_led_trig(struct ieee80211_local *local, -- cgit v1.2.3-54-g00ecf