[linux.git] / net / mac80211 / led.c

/*
 * Copyright 2006, Johannes Berg <[email protected]>
 *
 * 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 "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_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_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);
	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;
		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) {
		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;
		}
	}

	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;
		}
	}

	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);
	}
	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_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);

	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);

	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);
Commit	Line	Data
f0706e82 JB	1	/*
	2	* Copyright 2006, Johannes Berg <[email protected]>
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2 as
	6	* published by the Free Software Foundation.
	7	*/
	8
	9	/* just for IFNAMSIZ */
	10	#include <linux/if.h>
2c8dccc7	11	#include "led.h"
f0706e82 JB	12
	13	void ieee80211_led_rx(struct ieee80211_local *local)
	14	{
	15	if (unlikely(!local->rx_led))
	16	return;
	17	if (local->rx_led_counter++ % 2 == 0)
	18	led_trigger_event(local->rx_led, LED_OFF);
	19	else
	20	led_trigger_event(local->rx_led, LED_FULL);
	21	}
	22
	23	/* q is 1 if a packet was enqueued, 0 if it has been transmitted */
	24	void ieee80211_led_tx(struct ieee80211_local *local, int q)
	25	{
	26	if (unlikely(!local->tx_led))
	27	return;
	28	/* not sure how this is supposed to work ... */
	29	local->tx_led_counter += 2*q-1;
	30	if (local->tx_led_counter % 2 == 0)
	31	led_trigger_event(local->tx_led, LED_OFF);
	32	else
	33	led_trigger_event(local->tx_led, LED_FULL);
	34	}
	35
47f0c502 MB	36	void ieee80211_led_assoc(struct ieee80211_local *local, bool associated)
	37	{
	38	if (unlikely(!local->assoc_led))
	39	return;
	40	if (associated)
	41	led_trigger_event(local->assoc_led, LED_FULL);
	42	else
	43	led_trigger_event(local->assoc_led, LED_OFF);
	44	}
	45
cdcb006f ID	46	void ieee80211_led_radio(struct ieee80211_local *local, bool enabled)
	47	{
	48	if (unlikely(!local->radio_led))
	49	return;
	50	if (enabled)
	51	led_trigger_event(local->radio_led, LED_FULL);
	52	else
	53	led_trigger_event(local->radio_led, LED_OFF);
	54	}
	55
f0706e82 JB	56	void ieee80211_led_init(struct ieee80211_local *local)
	57	{
	58	local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
47f0c502 MB	59	if (local->rx_led) {
	60	snprintf(local->rx_led_name, sizeof(local->rx_led_name),
	61	"%srx", wiphy_name(local->hw.wiphy));
	62	local->rx_led->name = local->rx_led_name;
	63	if (led_trigger_register(local->rx_led)) {
	64	kfree(local->rx_led);
	65	local->rx_led = NULL;
	66	}
f0706e82 JB	67	}
	68
	69	local->tx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
47f0c502 MB	70	if (local->tx_led) {
	71	snprintf(local->tx_led_name, sizeof(local->tx_led_name),
	72	"%stx", wiphy_name(local->hw.wiphy));
	73	local->tx_led->name = local->tx_led_name;
	74	if (led_trigger_register(local->tx_led)) {
	75	kfree(local->tx_led);
	76	local->tx_led = NULL;
	77	}
	78	}
	79
	80	local->assoc_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
	81	if (local->assoc_led) {
	82	snprintf(local->assoc_led_name, sizeof(local->assoc_led_name),
	83	"%sassoc", wiphy_name(local->hw.wiphy));
	84	local->assoc_led->name = local->assoc_led_name;
	85	if (led_trigger_register(local->assoc_led)) {
	86	kfree(local->assoc_led);
	87	local->assoc_led = NULL;
	88	}
f0706e82	89	}
cdcb006f ID	90
	91	local->radio_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
	92	if (local->radio_led) {
	93	snprintf(local->radio_led_name, sizeof(local->radio_led_name),
	94	"%sradio", wiphy_name(local->hw.wiphy));
	95	local->radio_led->name = local->radio_led_name;
	96	if (led_trigger_register(local->radio_led)) {
	97	kfree(local->radio_led);
	98	local->radio_led = NULL;
	99	}
	100	}
f0706e82 JB	101	}
	102
	103	void ieee80211_led_exit(struct ieee80211_local *local)
	104	{
cdcb006f ID	105	if (local->radio_led) {
	106	led_trigger_unregister(local->radio_led);
	107	kfree(local->radio_led);
	108	}
47f0c502 MB	109	if (local->assoc_led) {
	110	led_trigger_unregister(local->assoc_led);
	111	kfree(local->assoc_led);
	112	}
f0706e82 JB	113	if (local->tx_led) {
	114	led_trigger_unregister(local->tx_led);
	115	kfree(local->tx_led);
	116	}
	117	if (local->rx_led) {
	118	led_trigger_unregister(local->rx_led);
	119	kfree(local->rx_led);
	120	}
	121	}
	122
cdcb006f ID	123	char __ieee80211_get_radio_led_name(struct ieee80211_hw hw)
	124	{
	125	struct ieee80211_local *local = hw_to_local(hw);
	126
	127	if (local->radio_led)
	128	return local->radio_led_name;
	129	return NULL;
	130	}
	131	EXPORT_SYMBOL(__ieee80211_get_radio_led_name);
	132
47f0c502 MB	133	char __ieee80211_get_assoc_led_name(struct ieee80211_hw hw)
	134	{
	135	struct ieee80211_local *local = hw_to_local(hw);
	136
	137	if (local->assoc_led)
	138	return local->assoc_led_name;
	139	return NULL;
	140	}
	141	EXPORT_SYMBOL(__ieee80211_get_assoc_led_name);
	142
f0706e82 JB	143	char __ieee80211_get_tx_led_name(struct ieee80211_hw hw)
	144	{
	145	struct ieee80211_local *local = hw_to_local(hw);
	146
	147	if (local->tx_led)
	148	return local->tx_led_name;
	149	return NULL;
	150	}
	151	EXPORT_SYMBOL(__ieee80211_get_tx_led_name);
	152
	153	char __ieee80211_get_rx_led_name(struct ieee80211_hw hw)
	154	{
	155	struct ieee80211_local *local = hw_to_local(hw);
	156
	157	if (local->rx_led)
	158	return local->rx_led_name;
	159	return NULL;
	160	}
	161	EXPORT_SYMBOL(__ieee80211_get_rx_led_name);