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 14void 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 */ 25void 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 37void 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 47void 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 57void 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 104void 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 124char *__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} 132EXPORT_SYMBOL(__ieee80211_get_radio_led_name); 133 134char *__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} 142EXPORT_SYMBOL(__ieee80211_get_assoc_led_name); 143 144char *__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} 152EXPORT_SYMBOL(__ieee80211_get_tx_led_name); 153 154char *__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} 162EXPORT_SYMBOL(__ieee80211_get_rx_led_name); 163