diff options
author | Ivo van Doorn <ivdoorn@gmail.com> | 2008-01-07 19:45:24 +0100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:01:04 -0800 |
commit | cdcb006fbe7a74b5f7827f5c5c27e11399a2fab7 (patch) | |
tree | 6141a5b4315775bea971d3457191071d36061822 /net | |
parent | df26e7ea049abe5104062f1f3e9ee7ede9d5104f (diff) | |
download | op-kernel-dev-cdcb006fbe7a74b5f7827f5c5c27e11399a2fab7.zip op-kernel-dev-cdcb006fbe7a74b5f7827f5c5c27e11399a2fab7.tar.gz |
mac80211: Add radio led trigger
Some devices have a seperate LED which indicates if the radio is
enabled or not. This adds a LED trigger to mac80211 where drivers
can hook into when they are interested in radio status changes.
v2: Check hw.conf.radio_enabled when calling start().
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r-- | net/mac80211/ieee80211.c | 3 | ||||
-rw-r--r-- | net/mac80211/ieee80211_i.h | 5 | ||||
-rw-r--r-- | net/mac80211/ieee80211_ioctl.c | 2 | ||||
-rw-r--r-- | net/mac80211/ieee80211_led.c | 35 | ||||
-rw-r--r-- | net/mac80211/ieee80211_led.h | 6 |
5 files changed, 49 insertions, 2 deletions
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c index 8ba69ae..4807e52 100644 --- a/net/mac80211/ieee80211.c +++ b/net/mac80211/ieee80211.c @@ -219,6 +219,7 @@ static int ieee80211_open(struct net_device *dev) if (res) return res; ieee80211_hw_config(local); + ieee80211_led_radio(local, local->hw.conf.radio_enabled); } switch (sdata->type) { @@ -392,6 +393,8 @@ static int ieee80211_stop(struct net_device *dev) if (local->ops->stop) local->ops->stop(local_to_hw(local)); + ieee80211_led_radio(local, 0); + tasklet_disable(&local->tx_pending_tasklet); tasklet_disable(&local->tasklet); } diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 662e69e..b898b31 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -500,8 +500,9 @@ struct ieee80211_local { #ifdef CONFIG_MAC80211_LEDS int tx_led_counter, rx_led_counter; - struct led_trigger *tx_led, *rx_led, *assoc_led; - char tx_led_name[32], rx_led_name[32], assoc_led_name[32]; + struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; + char tx_led_name[32], rx_led_name[32], + assoc_led_name[32], radio_led_name[32]; #endif u32 channel_use; diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c index 04ddce7..2604e21 100644 --- a/net/mac80211/ieee80211_ioctl.c +++ b/net/mac80211/ieee80211_ioctl.c @@ -21,6 +21,7 @@ #include <net/mac80211.h> #include "ieee80211_i.h" +#include "ieee80211_led.h" #include "ieee80211_rate.h" #include "wpa.h" #include "aes_ccm.h" @@ -652,6 +653,7 @@ static int ieee80211_ioctl_siwtxpower(struct net_device *dev, if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) { local->hw.conf.radio_enabled = !(data->txpower.disabled); need_reconfig = 1; + ieee80211_led_radio(local, local->hw.conf.radio_enabled); } if (need_reconfig) { diff --git a/net/mac80211/ieee80211_led.c b/net/mac80211/ieee80211_led.c index 4cf89af..f401484 100644 --- a/net/mac80211/ieee80211_led.c +++ b/net/mac80211/ieee80211_led.c @@ -43,6 +43,16 @@ void ieee80211_led_assoc(struct ieee80211_local *local, bool associated) led_trigger_event(local->assoc_led, LED_OFF); } +void ieee80211_led_radio(struct ieee80211_local *local, bool enabled) +{ + if (unlikely(!local->radio_led)) + return; + if (enabled) + led_trigger_event(local->radio_led, LED_FULL); + else + led_trigger_event(local->radio_led, LED_OFF); +} + void ieee80211_led_init(struct ieee80211_local *local) { local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); @@ -77,10 +87,25 @@ void ieee80211_led_init(struct ieee80211_local *local) local->assoc_led = NULL; } } + + local->radio_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); + if (local->radio_led) { + snprintf(local->radio_led_name, sizeof(local->radio_led_name), + "%sradio", wiphy_name(local->hw.wiphy)); + local->radio_led->name = local->radio_led_name; + if (led_trigger_register(local->radio_led)) { + kfree(local->radio_led); + local->radio_led = NULL; + } + } } 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); @@ -95,6 +120,16 @@ void ieee80211_led_exit(struct ieee80211_local *local) } } +char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw) +{ + struct ieee80211_local *local = hw_to_local(hw); + + if (local->radio_led) + return local->radio_led_name; + return NULL; +} +EXPORT_SYMBOL(__ieee80211_get_radio_led_name); + char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); diff --git a/net/mac80211/ieee80211_led.h b/net/mac80211/ieee80211_led.h index 0feb226..77b1e1b 100644 --- a/net/mac80211/ieee80211_led.h +++ b/net/mac80211/ieee80211_led.h @@ -16,6 +16,8 @@ extern void ieee80211_led_rx(struct ieee80211_local *local); extern void ieee80211_led_tx(struct ieee80211_local *local, int q); extern void ieee80211_led_assoc(struct ieee80211_local *local, bool associated); +extern void ieee80211_led_radio(struct ieee80211_local *local, + bool enabled); extern void ieee80211_led_init(struct ieee80211_local *local); extern void ieee80211_led_exit(struct ieee80211_local *local); #else @@ -29,6 +31,10 @@ static inline void ieee80211_led_assoc(struct ieee80211_local *local, bool associated) { } +static inline void ieee80211_led_radio(struct ieee80211_local *local, + bool enabled) +{ +} static inline void ieee80211_led_init(struct ieee80211_local *local) { } |