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[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [linux-2.6/] [linux-2.6.24/] [net/] [mac80211/] [ieee80211_led.c] - Blame information for rev 17

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Line No. Rev Author Line
1 3 xianfeng 
/*
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 * Copyright 2006, Johannes Berg <johannes@sipsolutions.net>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License version 2 as
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 * published by the Free Software Foundation.
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 */
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/* just for IFNAMSIZ */
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#include <linux/if.h>
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#include "ieee80211_led.h"
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void ieee80211_led_rx(struct ieee80211_local *local)
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{
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        if (unlikely(!local->rx_led))
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                return;
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        if (local->rx_led_counter++ % 2 == 0)
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                led_trigger_event(local->rx_led, LED_OFF);
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        else
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                led_trigger_event(local->rx_led, LED_FULL);
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}
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/* q is 1 if a packet was enqueued, 0 if it has been transmitted */
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void ieee80211_led_tx(struct ieee80211_local *local, int q)
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{
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        if (unlikely(!local->tx_led))
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                return;
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        /* not sure how this is supposed to work ... */
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        local->tx_led_counter += 2*q-1;
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        if (local->tx_led_counter % 2 == 0)
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                led_trigger_event(local->tx_led, LED_OFF);
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        else
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                led_trigger_event(local->tx_led, LED_FULL);
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}
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void ieee80211_led_assoc(struct ieee80211_local *local, bool associated)
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{
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        if (unlikely(!local->assoc_led))
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                return;
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        if (associated)
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                led_trigger_event(local->assoc_led, LED_FULL);
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        else
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                led_trigger_event(local->assoc_led, LED_OFF);
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}
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void ieee80211_led_init(struct ieee80211_local *local)
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{
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        local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
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        if (local->rx_led) {
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                snprintf(local->rx_led_name, sizeof(local->rx_led_name),
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                         "%srx", wiphy_name(local->hw.wiphy));
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                local->rx_led->name = local->rx_led_name;
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                if (led_trigger_register(local->rx_led)) {
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                        kfree(local->rx_led);
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                        local->rx_led = NULL;
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                }
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        }
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        local->tx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
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        if (local->tx_led) {
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                snprintf(local->tx_led_name, sizeof(local->tx_led_name),
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                         "%stx", wiphy_name(local->hw.wiphy));
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                local->tx_led->name = local->tx_led_name;
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                if (led_trigger_register(local->tx_led)) {
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                        kfree(local->tx_led);
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                        local->tx_led = NULL;
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                }
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        }
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        local->assoc_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
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        if (local->assoc_led) {
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                snprintf(local->assoc_led_name, sizeof(local->assoc_led_name),
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                         "%sassoc", wiphy_name(local->hw.wiphy));
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                local->assoc_led->name = local->assoc_led_name;
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                if (led_trigger_register(local->assoc_led)) {
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                        kfree(local->assoc_led);
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                        local->assoc_led = NULL;
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                }
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        }
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}
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void ieee80211_led_exit(struct ieee80211_local *local)
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{
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        if (local->assoc_led) {
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                led_trigger_unregister(local->assoc_led);
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                kfree(local->assoc_led);
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        }
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        if (local->tx_led) {
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                led_trigger_unregister(local->tx_led);
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                kfree(local->tx_led);
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        }
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        if (local->rx_led) {
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                led_trigger_unregister(local->rx_led);
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                kfree(local->rx_led);
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        }
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}
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char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw)
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{
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        struct ieee80211_local *local = hw_to_local(hw);
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        if (local->assoc_led)
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                return local->assoc_led_name;
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        return NULL;
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}
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EXPORT_SYMBOL(__ieee80211_get_assoc_led_name);
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char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw)
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{
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        struct ieee80211_local *local = hw_to_local(hw);
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        if (local->tx_led)
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                return local->tx_led_name;
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        return NULL;
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}
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EXPORT_SYMBOL(__ieee80211_get_tx_led_name);
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char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw)
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{
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        struct ieee80211_local *local = hw_to_local(hw);
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        if (local->rx_led)
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                return local->rx_led_name;
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        return NULL;
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}
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EXPORT_SYMBOL(__ieee80211_get_rx_led_name);

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