ieee80211_led.c
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/*
* Copyright 2006, Johannes Berg <johannes@sipsolutions.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/* just for IFNAMSIZ */
#include <linux/if.h>
#include "ieee80211_led.h"
void ieee80211_led_rx(struct ieee80211_local *local)
{
if (unlikely(!local->rx_led))
return;
if (local->rx_led_counter++ % 2 == 0)
led_trigger_event(local->rx_led, LED_OFF);
else
led_trigger_event(local->rx_led, LED_FULL);
}
/* q is 1 if a packet was enqueued, 0 if it has been transmitted */
void ieee80211_led_tx(struct ieee80211_local *local, int q)
{
if (unlikely(!local->tx_led))
return;
/* not sure how this is supposed to work ... */
local->tx_led_counter += 2*q-1;
if (local->tx_led_counter % 2 == 0)
led_trigger_event(local->tx_led, LED_OFF);
else
led_trigger_event(local->tx_led, LED_FULL);
}
void ieee80211_led_init(struct ieee80211_local *local)
{
local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (!local->rx_led)
return;
snprintf(local->rx_led_name, sizeof(local->rx_led_name),
"%srx", wiphy_name(local->hw.wiphy));
local->rx_led->name = local->rx_led_name;
if (led_trigger_register(local->rx_led)) {
kfree(local->rx_led);
local->rx_led = NULL;
}
local->tx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
if (!local->tx_led)
return;
snprintf(local->tx_led_name, sizeof(local->tx_led_name),
"%stx", wiphy_name(local->hw.wiphy));
local->tx_led->name = local->tx_led_name;
if (led_trigger_register(local->tx_led)) {
kfree(local->tx_led);
local->tx_led = NULL;
}
}
void ieee80211_led_exit(struct ieee80211_local *local)
{
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);
}
}
char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
if (local->tx_led)
return local->tx_led_name;
return NULL;
}
EXPORT_SYMBOL(__ieee80211_get_tx_led_name);
char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
if (local->rx_led)
return local->rx_led_name;
return NULL;
}
EXPORT_SYMBOL(__ieee80211_get_rx_led_name);