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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 <linux/slab.h> |
12 | #include "led.h" |
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 | |
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 | |
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 | |
57 | void ieee80211_led_init(struct ieee80211_local *local) |
58 | { |
59 | local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); |
60 | if (local->rx_led) { |
61 | snprintf(local->rx_led_name, sizeof(local->rx_led_name), |
62 | "%srx", wiphy_name(local->hw.wiphy)); |
63 | local->rx_led->name = local->rx_led_name; |
64 | if (led_trigger_register(local->rx_led)) { |
65 | kfree(local->rx_led); |
66 | local->rx_led = NULL; |
67 | } |
68 | } |
69 | |
70 | local->tx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); |
71 | if (local->tx_led) { |
72 | snprintf(local->tx_led_name, sizeof(local->tx_led_name), |
73 | "%stx", wiphy_name(local->hw.wiphy)); |
74 | local->tx_led->name = local->tx_led_name; |
75 | if (led_trigger_register(local->tx_led)) { |
76 | kfree(local->tx_led); |
77 | local->tx_led = NULL; |
78 | } |
79 | } |
80 | |
81 | local->assoc_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); |
82 | if (local->assoc_led) { |
83 | snprintf(local->assoc_led_name, sizeof(local->assoc_led_name), |
84 | "%sassoc", wiphy_name(local->hw.wiphy)); |
85 | local->assoc_led->name = local->assoc_led_name; |
86 | if (led_trigger_register(local->assoc_led)) { |
87 | kfree(local->assoc_led); |
88 | local->assoc_led = NULL; |
89 | } |
90 | } |
91 | |
92 | local->radio_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL); |
93 | if (local->radio_led) { |
94 | snprintf(local->radio_led_name, sizeof(local->radio_led_name), |
95 | "%sradio", wiphy_name(local->hw.wiphy)); |
96 | local->radio_led->name = local->radio_led_name; |
97 | if (led_trigger_register(local->radio_led)) { |
98 | kfree(local->radio_led); |
99 | local->radio_led = NULL; |
100 | } |
101 | } |
102 | } |
103 | |
104 | void ieee80211_led_exit(struct ieee80211_local *local) |
105 | { |
106 | if (local->radio_led) { |
107 | led_trigger_unregister(local->radio_led); |
108 | kfree(local->radio_led); |
109 | } |
110 | if (local->assoc_led) { |
111 | led_trigger_unregister(local->assoc_led); |
112 | kfree(local->assoc_led); |
113 | } |
114 | if (local->tx_led) { |
115 | led_trigger_unregister(local->tx_led); |
116 | kfree(local->tx_led); |
117 | } |
118 | if (local->rx_led) { |
119 | led_trigger_unregister(local->rx_led); |
120 | kfree(local->rx_led); |
121 | } |
122 | } |
123 | |
124 | char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw) |
125 | { |
126 | struct ieee80211_local *local = hw_to_local(hw); |
127 | |
128 | if (local->radio_led) |
129 | return local->radio_led_name; |
130 | return NULL; |
131 | } |
132 | EXPORT_SYMBOL(__ieee80211_get_radio_led_name); |
133 | |
134 | char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw) |
135 | { |
136 | struct ieee80211_local *local = hw_to_local(hw); |
137 | |
138 | if (local->assoc_led) |
139 | return local->assoc_led_name; |
140 | return NULL; |
141 | } |
142 | EXPORT_SYMBOL(__ieee80211_get_assoc_led_name); |
143 | |
144 | char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw) |
145 | { |
146 | struct ieee80211_local *local = hw_to_local(hw); |
147 | |
148 | if (local->tx_led) |
149 | return local->tx_led_name; |
150 | return NULL; |
151 | } |
152 | EXPORT_SYMBOL(__ieee80211_get_tx_led_name); |
153 | |
154 | char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw) |
155 | { |
156 | struct ieee80211_local *local = hw_to_local(hw); |
157 | |
158 | if (local->rx_led) |
159 | return local->rx_led_name; |
160 | return NULL; |
161 | } |
162 | EXPORT_SYMBOL(__ieee80211_get_rx_led_name); |
163 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
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v3.9