xref: /openbmc/linux/net/mac80211/led.h (revision 293d5b43)
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 #include <linux/list.h>
10 #include <linux/spinlock.h>
11 #include <linux/leds.h>
12 #include "ieee80211_i.h"
13 
14 #define MAC80211_BLINK_DELAY 50 /* ms */
15 
16 static inline void ieee80211_led_rx(struct ieee80211_local *local)
17 {
18 #ifdef CONFIG_MAC80211_LEDS
19 	unsigned long led_delay = MAC80211_BLINK_DELAY;
20 
21 	if (!atomic_read(&local->rx_led_active))
22 		return;
23 	led_trigger_blink_oneshot(&local->rx_led, &led_delay, &led_delay, 0);
24 #endif
25 }
26 
27 static inline void ieee80211_led_tx(struct ieee80211_local *local)
28 {
29 #ifdef CONFIG_MAC80211_LEDS
30 	unsigned long led_delay = MAC80211_BLINK_DELAY;
31 
32 	if (!atomic_read(&local->tx_led_active))
33 		return;
34 	led_trigger_blink_oneshot(&local->tx_led, &led_delay, &led_delay, 0);
35 #endif
36 }
37 
38 #ifdef CONFIG_MAC80211_LEDS
39 void ieee80211_led_assoc(struct ieee80211_local *local,
40 			 bool associated);
41 void ieee80211_led_radio(struct ieee80211_local *local,
42 			 bool enabled);
43 void ieee80211_alloc_led_names(struct ieee80211_local *local);
44 void ieee80211_free_led_names(struct ieee80211_local *local);
45 void ieee80211_led_init(struct ieee80211_local *local);
46 void ieee80211_led_exit(struct ieee80211_local *local);
47 void ieee80211_mod_tpt_led_trig(struct ieee80211_local *local,
48 				unsigned int types_on, unsigned int types_off);
49 #else
50 static inline void ieee80211_led_assoc(struct ieee80211_local *local,
51 				       bool associated)
52 {
53 }
54 static inline void ieee80211_led_radio(struct ieee80211_local *local,
55 				       bool enabled)
56 {
57 }
58 static inline void ieee80211_alloc_led_names(struct ieee80211_local *local)
59 {
60 }
61 static inline void ieee80211_free_led_names(struct ieee80211_local *local)
62 {
63 }
64 static inline void ieee80211_led_init(struct ieee80211_local *local)
65 {
66 }
67 static inline void ieee80211_led_exit(struct ieee80211_local *local)
68 {
69 }
70 static inline void ieee80211_mod_tpt_led_trig(struct ieee80211_local *local,
71 					      unsigned int types_on,
72 					      unsigned int types_off)
73 {
74 }
75 #endif
76 
77 static inline void
78 ieee80211_tpt_led_trig_tx(struct ieee80211_local *local, __le16 fc, int bytes)
79 {
80 #ifdef CONFIG_MAC80211_LEDS
81 	if (ieee80211_is_data(fc) && atomic_read(&local->tpt_led_active))
82 		local->tpt_led_trigger->tx_bytes += bytes;
83 #endif
84 }
85 
86 static inline void
87 ieee80211_tpt_led_trig_rx(struct ieee80211_local *local, __le16 fc, int bytes)
88 {
89 #ifdef CONFIG_MAC80211_LEDS
90 	if (ieee80211_is_data(fc) && atomic_read(&local->tpt_led_active))
91 		local->tpt_led_trigger->rx_bytes += bytes;
92 #endif
93 }
94