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

/*
 * 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 <linux/slab.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_names(struct ieee80211_local *local)
{
	snprintf(local->rx_led_name, sizeof(local->rx_led_name),
		 "%srx", wiphy_name(local->hw.wiphy));
	snprintf(local->tx_led_name, sizeof(local->tx_led_name),
		 "%stx", wiphy_name(local->hw.wiphy));
	snprintf(local->assoc_led_name, sizeof(local->assoc_led_name),
		 "%sassoc", wiphy_name(local->hw.wiphy));
	snprintf(local->radio_led_name, sizeof(local->radio_led_name),
		 "%sradio", wiphy_name(local->hw.wiphy));
}

void ieee80211_led_init(struct ieee80211_local *local)
{
	local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
	if (local->rx_led) {
		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) {
		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) {
		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) {
		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);

	return local->radio_led_name;
}
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);

	return local->assoc_led_name;
}
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);

	return local->tx_led_name;
}
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);

	return local->rx_led_name;
}
EXPORT_SYMBOL(__ieee80211_get_rx_led_name);
Commit	Line	Data
f0706e82 JB	1	/*
	2	* Copyright 2006, Johannes Berg <johannes@sipsolutions.net>
	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>
5a0e3ad6	11	#include <linux/slab.h>
2c8dccc7	12	#include "led.h"
f0706e82 JB	13
	14	void ieee80211_led_rx(struct ieee80211_local *local)
	15	{
	16	if (unlikely(!local->rx_led))
	17	return;
	18	if (local->rx_led_counter++ % 2 == 0)
	19	led_trigger_event(local->rx_led, LED_OFF);
	20	else
	21	led_trigger_event(local->rx_led, LED_FULL);
	22	}
	23
	24	/* q is 1 if a packet was enqueued, 0 if it has been transmitted */
	25	void ieee80211_led_tx(struct ieee80211_local *local, int q)
	26	{
	27	if (unlikely(!local->tx_led))
	28	return;
	29	/* not sure how this is supposed to work ... */
	30	local->tx_led_counter += 2*q-1;
	31	if (local->tx_led_counter % 2 == 0)
	32	led_trigger_event(local->tx_led, LED_OFF);
	33	else
	34	led_trigger_event(local->tx_led, LED_FULL);
	35	}
	36
47f0c502 MB	37	void ieee80211_led_assoc(struct ieee80211_local *local, bool associated)
	38	{
	39	if (unlikely(!local->assoc_led))
	40	return;
	41	if (associated)
	42	led_trigger_event(local->assoc_led, LED_FULL);
	43	else
	44	led_trigger_event(local->assoc_led, LED_OFF);
	45	}
	46
cdcb006f ID	47	void ieee80211_led_radio(struct ieee80211_local *local, bool enabled)
	48	{
	49	if (unlikely(!local->radio_led))
	50	return;
	51	if (enabled)
	52	led_trigger_event(local->radio_led, LED_FULL);
	53	else
	54	led_trigger_event(local->radio_led, LED_OFF);
	55	}
	56
fe67c913 JB	57	void ieee80211_led_names(struct ieee80211_local *local)
	58	{
	59	snprintf(local->rx_led_name, sizeof(local->rx_led_name),
	60	"%srx", wiphy_name(local->hw.wiphy));
	61	snprintf(local->tx_led_name, sizeof(local->tx_led_name),
	62	"%stx", wiphy_name(local->hw.wiphy));
	63	snprintf(local->assoc_led_name, sizeof(local->assoc_led_name),
	64	"%sassoc", wiphy_name(local->hw.wiphy));
	65	snprintf(local->radio_led_name, sizeof(local->radio_led_name),
	66	"%sradio", wiphy_name(local->hw.wiphy));
	67	}
	68
f0706e82 JB	69	void ieee80211_led_init(struct ieee80211_local *local)
	70	{
	71	local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
47f0c502	72	if (local->rx_led) {
47f0c502 MB	73	local->rx_led->name = local->rx_led_name;
	74	if (led_trigger_register(local->rx_led)) {
	75	kfree(local->rx_led);
	76	local->rx_led = NULL;
	77	}
f0706e82 JB	78	}
	79
	80	local->tx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
47f0c502	81	if (local->tx_led) {
47f0c502 MB	82	local->tx_led->name = local->tx_led_name;
	83	if (led_trigger_register(local->tx_led)) {
	84	kfree(local->tx_led);
	85	local->tx_led = NULL;
	86	}
	87	}
	88
	89	local->assoc_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
	90	if (local->assoc_led) {
47f0c502 MB	91	local->assoc_led->name = local->assoc_led_name;
	92	if (led_trigger_register(local->assoc_led)) {
	93	kfree(local->assoc_led);
	94	local->assoc_led = NULL;
	95	}
f0706e82	96	}
cdcb006f ID	97
	98	local->radio_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
	99	if (local->radio_led) {
cdcb006f ID	100	local->radio_led->name = local->radio_led_name;
	101	if (led_trigger_register(local->radio_led)) {
	102	kfree(local->radio_led);
	103	local->radio_led = NULL;
	104	}
	105	}
f0706e82 JB	106	}
	107
	108	void ieee80211_led_exit(struct ieee80211_local *local)
	109	{
cdcb006f ID	110	if (local->radio_led) {
	111	led_trigger_unregister(local->radio_led);
	112	kfree(local->radio_led);
	113	}
47f0c502 MB	114	if (local->assoc_led) {
	115	led_trigger_unregister(local->assoc_led);
	116	kfree(local->assoc_led);
	117	}
f0706e82 JB	118	if (local->tx_led) {
	119	led_trigger_unregister(local->tx_led);
	120	kfree(local->tx_led);
	121	}
	122	if (local->rx_led) {
	123	led_trigger_unregister(local->rx_led);
	124	kfree(local->rx_led);
	125	}
	126	}
	127
cdcb006f ID	128	char __ieee80211_get_radio_led_name(struct ieee80211_hw hw)
	129	{
	130	struct ieee80211_local *local = hw_to_local(hw);
	131
fe67c913	132	return local->radio_led_name;
cdcb006f ID	133	}
	134	EXPORT_SYMBOL(__ieee80211_get_radio_led_name);
	135
47f0c502 MB	136	char __ieee80211_get_assoc_led_name(struct ieee80211_hw hw)
	137	{
	138	struct ieee80211_local *local = hw_to_local(hw);
	139
fe67c913	140	return local->assoc_led_name;
47f0c502 MB	141	}
	142	EXPORT_SYMBOL(__ieee80211_get_assoc_led_name);
	143
f0706e82 JB	144	char __ieee80211_get_tx_led_name(struct ieee80211_hw hw)
	145	{
	146	struct ieee80211_local *local = hw_to_local(hw);
	147
fe67c913	148	return local->tx_led_name;
f0706e82 JB	149	}
	150	EXPORT_SYMBOL(__ieee80211_get_tx_led_name);
	151
	152	char __ieee80211_get_rx_led_name(struct ieee80211_hw hw)
	153	{
	154	struct ieee80211_local *local = hw_to_local(hw);
	155
fe67c913	156	return local->rx_led_name;
f0706e82 JB	157	}
f0706e82 JB	158	EXPORT_SYMBOL(__ieee80211_get_rx_led_name);