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[MAC80211]: Add association LED trigger

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Many devices have LEDs to indicate the link status.
Export this functionality to drivers.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Buesch 2007-09-27 15:10:44 +02:00 committed by David S. Miller
parent ddd3d2be85
commit 47f0c50220
5 changed files with 74 additions and 19 deletions
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11
include/net/mac80211.h
View File

@ -1069,6 +1069,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw);
#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);
#endif
/**
* ieee80211_get_tx_led_name - get name of TX LED
@ -1108,6 +1109,16 @@ static inline char *ieee80211_get_rx_led_name(struct ieee80211_hw *hw)
#endif
}
static inline char *ieee80211_get_assoc_led_name(struct ieee80211_hw *hw)
{
#ifdef CONFIG_MAC80211_LEDS
return __ieee80211_get_assoc_led_name(hw);
#else
return NULL;
#endif
}
/* Register a new hardware PHYMODE capability to the stack. */
int ieee80211_register_hwmode(struct ieee80211_hw *hw,
struct ieee80211_hw_mode *mode);

4
net/mac80211/ieee80211_i.h
View File

@ -503,8 +503,8 @@ struct ieee80211_local {
#ifdef CONFIG_MAC80211_LEDS
int tx_led_counter, rx_led_counter;
struct led_trigger *tx_led, *rx_led;
char tx_led_name[32], rx_led_name[32];
struct led_trigger *tx_led, *rx_led, *assoc_led;
char tx_led_name[32], rx_led_name[32], assoc_led_name[32];
#endif
u32 channel_use;

43
net/mac80211/ieee80211_led.c
View File

@ -33,11 +33,20 @@ void ieee80211_led_tx(struct ieee80211_local *local, int q)
led_trigger_event(local->tx_led, LED_FULL);
}
void ieee80211_led_assoc(struct ieee80211_local *local, bool associated)
{
if (unlikely(!local->assoc_led))
return;
if (associated)
led_trigger_event(local->assoc_led, LED_FULL);
else
led_trigger_event(local->assoc_led, LED_OFF);
}
void ieee80211_led_init(struct ieee80211_local *local)
{
local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (!local->rx_led)
return;
if (local->rx_led) {
snprintf(local->rx_led_name, sizeof(local->rx_led_name),
"%srx", wiphy_name(local->hw.wiphy));
local->rx_led->name = local->rx_led_name;
@ -45,10 +54,10 @@ void ieee80211_led_init(struct ieee80211_local *local)
kfree(local->rx_led);
local->rx_led = NULL;
}
}
local->tx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (!local->tx_led)
return;
if (local->tx_led) {
snprintf(local->tx_led_name, sizeof(local->tx_led_name),
"%stx", wiphy_name(local->hw.wiphy));
local->tx_led->name = local->tx_led_name;
@ -56,10 +65,26 @@ void ieee80211_led_init(struct ieee80211_local *local)
kfree(local->tx_led);
local->tx_led = NULL;
}
}
local->assoc_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (local->assoc_led) {
snprintf(local->assoc_led_name, sizeof(local->assoc_led_name),
"%sassoc", wiphy_name(local->hw.wiphy));
local->assoc_led->name = local->assoc_led_name;
if (led_trigger_register(local->assoc_led)) {
kfree(local->assoc_led);
local->assoc_led = NULL;
}
}
}
void ieee80211_led_exit(struct ieee80211_local *local)
{
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);
@ -70,6 +95,16 @@ void ieee80211_led_exit(struct ieee80211_local *local)
}
}
char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
if (local->assoc_led)
return local->assoc_led_name;
return NULL;
}
EXPORT_SYMBOL(__ieee80211_get_assoc_led_name);
char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);

6
net/mac80211/ieee80211_led.h
View File

@ -14,6 +14,8 @@
#ifdef CONFIG_MAC80211_LEDS
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_init(struct ieee80211_local *local);
extern void ieee80211_led_exit(struct ieee80211_local *local);
#else
@ -23,6 +25,10 @@ static inline void ieee80211_led_rx(struct ieee80211_local *local)
static inline void ieee80211_led_tx(struct ieee80211_local *local, int q)
{
}
static inline void ieee80211_led_assoc(struct ieee80211_local *local,
bool associated)
{
}
static inline void ieee80211_led_init(struct ieee80211_local *local)
{
}

5
net/mac80211/ieee80211_sta.c
View File

@ -31,6 +31,7 @@
#include <net/mac80211.h>
#include "ieee80211_i.h"
#include "ieee80211_rate.h"
#include "ieee80211_led.h"
#define IEEE80211_AUTH_TIMEOUT (HZ / 5)
#define IEEE80211_AUTH_MAX_TRIES 3
@ -408,8 +409,9 @@ static void ieee80211_sta_send_associnfo(struct net_device *dev,
static void ieee80211_set_associated(struct net_device *dev,
struct ieee80211_if_sta *ifsta,
unsigned int assoc)
bool assoc)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
union iwreq_data wrqu;
if (!!(ifsta->flags & IEEE80211_STA_ASSOCIATED) == assoc)
@ -447,6 +449,7 @@ static void ieee80211_set_associated(struct net_device *dev,
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
ifsta->last_probe = jiffies;
ieee80211_led_assoc(local, assoc);
}
static void ieee80211_set_disassoc(struct net_device *dev,