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-rw-r--r--include/net/mac80211.h20
-rw-r--r--net/mac80211/ieee80211_i.h3
-rw-r--r--net/mac80211/iface.c16
-rw-r--r--net/mac80211/led.c39
-rw-r--r--net/mac80211/led.h11
-rw-r--r--net/mac80211/util.c5
6 files changed, 76 insertions, 18 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 40a93d582c79..479c35e160e3 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1863,13 +1863,26 @@ struct ieee80211_tpt_blink {
int blink_time;
};
+/**
+ * enum ieee80211_tpt_led_trigger_flags - throughput trigger flags
+ * @IEEE80211_TPT_LEDTRIG_FL_RADIO: enable blinking with radio
+ * @IEEE80211_TPT_LEDTRIG_FL_WORK: enable blinking when working
+ * @IEEE80211_TPT_LEDTRIG_FL_CONNECTED: enable blinking when at least one
+ * interface is connected in some way, including being an AP
+ */
+enum ieee80211_tpt_led_trigger_flags {
+ IEEE80211_TPT_LEDTRIG_FL_RADIO = BIT(0),
+ IEEE80211_TPT_LEDTRIG_FL_WORK = BIT(1),
+ IEEE80211_TPT_LEDTRIG_FL_CONNECTED = BIT(2),
+};
+
#ifdef CONFIG_MAC80211_LEDS
extern char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw);
extern char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw);
extern char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw);
extern char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw);
extern char *__ieee80211_create_tpt_led_trigger(
- struct ieee80211_hw *hw,
+ struct ieee80211_hw *hw, unsigned int flags,
const struct ieee80211_tpt_blink *blink_table,
unsigned int blink_table_len);
#endif
@@ -1952,6 +1965,7 @@ static inline char *ieee80211_get_radio_led_name(struct ieee80211_hw *hw)
/**
* ieee80211_create_tpt_led_trigger - create throughput LED trigger
* @hw: the hardware to create the trigger for
+ * @flags: trigger flags, see &enum ieee80211_tpt_led_trigger_flags
* @blink_table: the blink table -- needs to be ordered by throughput
* @blink_table_len: size of the blink table
*
@@ -1960,12 +1974,12 @@ static inline char *ieee80211_get_radio_led_name(struct ieee80211_hw *hw)
* This function must be called before ieee80211_register_hw().
*/
static inline char *
-ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw,
+ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw, unsigned int flags,
const struct ieee80211_tpt_blink *blink_table,
unsigned int blink_table_len)
{
#ifdef CONFIG_MAC80211_LEDS
- return __ieee80211_create_tpt_led_trigger(hw, blink_table,
+ return __ieee80211_create_tpt_led_trigger(hw, flags, blink_table,
blink_table_len);
#else
return NULL;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 523b90be8dc5..3810c72ac062 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -637,9 +637,10 @@ struct tpt_led_trigger {
const struct ieee80211_tpt_blink *blink_table;
unsigned int blink_table_len;
struct timer_list timer;
- bool running;
unsigned long prev_traffic;
unsigned long tx_bytes, rx_bytes;
+ unsigned int active, want;
+ bool running;
};
/**
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 989df7065c21..b6db237672ff 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -220,7 +220,8 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
/* we're brought up, everything changes */
hw_reconf_flags = ~0;
ieee80211_led_radio(local, true);
- ieee80211_start_tpt_led_trig(local);
+ ieee80211_mod_tpt_led_trig(local,
+ IEEE80211_TPT_LEDTRIG_FL_RADIO, 0);
}
/*
@@ -1265,6 +1266,7 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local)
int count = 0;
bool working = false, scanning = false;
struct ieee80211_work *wk;
+ unsigned int led_trig_start = 0, led_trig_stop = 0;
#ifdef CONFIG_PROVE_LOCKING
WARN_ON(debug_locks && !lockdep_rtnl_is_held() &&
@@ -1314,6 +1316,18 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local)
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IDLE);
}
+ if (working || scanning)
+ led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_WORK;
+ else
+ led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_WORK;
+
+ if (count)
+ led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED;
+ else
+ led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_CONNECTED;
+
+ ieee80211_mod_tpt_led_trig(local, led_trig_start, led_trig_stop);
+
if (working)
return ieee80211_idle_off(local, "working");
if (scanning)
diff --git a/net/mac80211/led.c b/net/mac80211/led.c
index 79b13090aed7..4905eb8af572 100644
--- a/net/mac80211/led.c
+++ b/net/mac80211/led.c
@@ -216,7 +216,7 @@ static void tpt_trig_timer(unsigned long data)
}
extern char *__ieee80211_create_tpt_led_trigger(
- struct ieee80211_hw *hw,
+ struct ieee80211_hw *hw, unsigned int flags,
const struct ieee80211_tpt_blink *blink_table,
unsigned int blink_table_len)
{
@@ -237,6 +237,7 @@ extern char *__ieee80211_create_tpt_led_trigger(
tpt_trig->blink_table = blink_table;
tpt_trig->blink_table_len = blink_table_len;
+ tpt_trig->want = flags;
setup_timer(&tpt_trig->timer, tpt_trig_timer, (unsigned long)local);
@@ -246,11 +247,11 @@ extern char *__ieee80211_create_tpt_led_trigger(
}
EXPORT_SYMBOL(__ieee80211_create_tpt_led_trigger);
-void ieee80211_start_tpt_led_trig(struct ieee80211_local *local)
+static void ieee80211_start_tpt_led_trig(struct ieee80211_local *local)
{
struct tpt_led_trigger *tpt_trig = local->tpt_led_trigger;
- if (!tpt_trig)
+ if (tpt_trig->running)
return;
/* reset traffic */
@@ -261,12 +262,12 @@ void ieee80211_start_tpt_led_trig(struct ieee80211_local *local)
mod_timer(&tpt_trig->timer, round_jiffies(jiffies + HZ));
}
-void ieee80211_stop_tpt_led_trig(struct ieee80211_local *local)
+static void ieee80211_stop_tpt_led_trig(struct ieee80211_local *local)
{
struct tpt_led_trigger *tpt_trig = local->tpt_led_trigger;
struct led_classdev *led_cdev;
- if (!tpt_trig)
+ if (!tpt_trig->running)
return;
tpt_trig->running = false;
@@ -277,3 +278,31 @@ void ieee80211_stop_tpt_led_trig(struct ieee80211_local *local)
led_brightness_set(led_cdev, LED_OFF);
read_unlock(&tpt_trig->trig.leddev_list_lock);
}
+
+void ieee80211_mod_tpt_led_trig(struct ieee80211_local *local,
+ unsigned int types_on, unsigned int types_off)
+{
+ struct tpt_led_trigger *tpt_trig = local->tpt_led_trigger;
+ bool allowed;
+
+ WARN_ON(types_on & types_off);
+
+ if (!tpt_trig)
+ return;
+
+ tpt_trig->active &= ~types_off;
+ tpt_trig->active |= types_on;
+
+ /*
+ * Regardless of wanted state, we shouldn't blink when
+ * the radio is disabled -- this can happen due to some
+ * code ordering issues with __ieee80211_recalc_idle()
+ * being called before the radio is started.
+ */
+ allowed = tpt_trig->active & IEEE80211_TPT_LEDTRIG_FL_RADIO;
+
+ if (!allowed || !(tpt_trig->active & tpt_trig->want))
+ ieee80211_stop_tpt_led_trig(local);
+ else
+ ieee80211_start_tpt_led_trig(local);
+}
diff --git a/net/mac80211/led.h b/net/mac80211/led.h
index 6c215dc0fc96..e0275d9befa8 100644
--- a/net/mac80211/led.h
+++ b/net/mac80211/led.h
@@ -21,8 +21,8 @@ void ieee80211_led_radio(struct ieee80211_local *local,
void ieee80211_led_names(struct ieee80211_local *local);
void ieee80211_led_init(struct ieee80211_local *local);
void ieee80211_led_exit(struct ieee80211_local *local);
-void ieee80211_start_tpt_led_trig(struct ieee80211_local *local);
-void ieee80211_stop_tpt_led_trig(struct ieee80211_local *local);
+void ieee80211_mod_tpt_led_trig(struct ieee80211_local *local,
+ unsigned int types_on, unsigned int types_off);
#else
static inline void ieee80211_led_rx(struct ieee80211_local *local)
{
@@ -47,10 +47,9 @@ static inline void ieee80211_led_init(struct ieee80211_local *local)
static inline void ieee80211_led_exit(struct ieee80211_local *local)
{
}
-static inline void ieee80211_start_tpt_led_trig(struct ieee80211_local *local)
-{
-}
-static inline void ieee80211_stop_tpt_led_trig(struct ieee80211_local *local)
+static inline void ieee80211_mod_tpt_led_trig(struct ieee80211_local *local,
+ unsigned int types_on,
+ unsigned int types_off)
{
}
#endif
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 48306415a1cb..cf68700abffa 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1116,7 +1116,7 @@ u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
void ieee80211_stop_device(struct ieee80211_local *local)
{
ieee80211_led_radio(local, false);
- ieee80211_stop_tpt_led_trig(local);
+ ieee80211_mod_tpt_led_trig(local, 0, IEEE80211_TPT_LEDTRIG_FL_RADIO);
cancel_work_sync(&local->reconfig_filter);
@@ -1151,7 +1151,8 @@ int ieee80211_reconfig(struct ieee80211_local *local)
}
ieee80211_led_radio(local, true);
- ieee80211_start_tpt_led_trig(local);
+ ieee80211_mod_tpt_led_trig(local,
+ IEEE80211_TPT_LEDTRIG_FL_RADIO, 0);
}
/* add interfaces */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.