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-rw-r--r--net/mac80211/led.c268
1 files changed, 170 insertions, 98 deletions
diff --git a/net/mac80211/led.c b/net/mac80211/led.c
index e2b836446af3..0505845b7ab8 100644
--- a/net/mac80211/led.c
+++ b/net/mac80211/led.c
@@ -12,96 +12,175 @@
#include <linux/export.h>
#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,