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> | |
11 | #include "ieee80211_led.h" | |
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 | ||
36 | void ieee80211_led_init(struct ieee80211_local *local) | |
37 | { | |
38 | local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); | |
39 | if (!local->rx_led) | |
40 | return; | |
41 | snprintf(local->rx_led_name, sizeof(local->rx_led_name), | |
42 | "%srx", wiphy_name(local->hw.wiphy)); | |
43 | local->rx_led->name = local->rx_led_name; | |
44 | if (led_trigger_register(local->rx_led)) { | |
45 | kfree(local->rx_led); | |
46 | local->rx_led = NULL; | |
47 | } | |
48 | ||
49 | local->tx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); | |
50 | if (!local->tx_led) | |
51 | return; | |
52 | snprintf(local->tx_led_name, sizeof(local->tx_led_name), | |
53 | "%stx", wiphy_name(local->hw.wiphy)); | |
54 | local->tx_led->name = local->tx_led_name; | |
55 | if (led_trigger_register(local->tx_led)) { | |
56 | kfree(local->tx_led); | |
57 | local->tx_led = NULL; | |
58 | } | |
59 | } | |
60 | ||
61 | void ieee80211_led_exit(struct ieee80211_local *local) | |
62 | { | |
63 | if (local->tx_led) { | |
64 | led_trigger_unregister(local->tx_led); | |
65 | kfree(local->tx_led); | |
66 | } | |
67 | if (local->rx_led) { | |
68 | led_trigger_unregister(local->rx_led); | |
69 | kfree(local->rx_led); | |
70 | } | |
71 | } | |
72 | ||
73 | char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw) | |
74 | { | |
75 | struct ieee80211_local *local = hw_to_local(hw); | |
76 | ||
77 | if (local->tx_led) | |
78 | return local->tx_led_name; | |
79 | return NULL; | |
80 | } | |
81 | EXPORT_SYMBOL(__ieee80211_get_tx_led_name); | |
82 | ||
83 | char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw) | |
84 | { | |
85 | struct ieee80211_local *local = hw_to_local(hw); | |
86 | ||
87 | if (local->rx_led) | |
88 | return local->rx_led_name; | |
89 | return NULL; | |
90 | } | |
91 | EXPORT_SYMBOL(__ieee80211_get_rx_led_name); |