[MAC80211]: Add mac80211 wireless stack.
Add mac80211, the IEEE 802.11 software MAC layer.
Signed-off-by: Jiri Benc <jbenc@suse.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/ieee80211_led.c b/net/mac80211/ieee80211_led.c
new file mode 100644
index 0000000..719d75b
--- /dev/null
+++ b/net/mac80211/ieee80211_led.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2006, Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/* just for IFNAMSIZ */
+#include <linux/if.h>
+#include "ieee80211_led.h"
+
+void ieee80211_led_rx(struct ieee80211_local *local)
+{
+ if (unlikely(!local->rx_led))
+ return;
+ if (local->rx_led_counter++ % 2 == 0)
+ led_trigger_event(local->rx_led, LED_OFF);
+ else
+ led_trigger_event(local->rx_led, LED_FULL);
+}
+
+/* q is 1 if a packet was enqueued, 0 if it has been transmitted */
+void ieee80211_led_tx(struct ieee80211_local *local, int q)
+{
+ if (unlikely(!local->tx_led))
+ return;
+ /* not sure how this is supposed to work ... */
+ local->tx_led_counter += 2*q-1;
+ if (local->tx_led_counter % 2 == 0)
+ led_trigger_event(local->tx_led, LED_OFF);
+ else
+ led_trigger_event(local->tx_led, LED_FULL);
+}
+
+void ieee80211_led_init(struct ieee80211_local *local)
+{
+ local->rx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
+ if (!local->rx_led)
+ return;
+ snprintf(local->rx_led_name, sizeof(local->rx_led_name),
+ "%srx", wiphy_name(local->hw.wiphy));
+ local->rx_led->name = local->rx_led_name;
+ if (led_trigger_register(local->rx_led)) {
+ kfree(local->rx_led);
+ local->rx_led = NULL;
+ }
+
+ local->tx_led = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
+ if (!local->tx_led)
+ return;
+ snprintf(local->tx_led_name, sizeof(local->tx_led_name),
+ "%stx", wiphy_name(local->hw.wiphy));
+ local->tx_led->name = local->tx_led_name;
+ if (led_trigger_register(local->tx_led)) {
+ kfree(local->tx_led);
+ local->tx_led = NULL;
+ }
+}
+
+void ieee80211_led_exit(struct ieee80211_local *local)
+{
+ if (local->tx_led) {
+ led_trigger_unregister(local->tx_led);
+ kfree(local->tx_led);
+ }
+ if (local->rx_led) {
+ led_trigger_unregister(local->rx_led);
+ kfree(local->rx_led);
+ }
+}
+
+char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ if (local->tx_led)
+ return local->tx_led_name;
+ return NULL;
+}
+EXPORT_SYMBOL(__ieee80211_get_tx_led_name);
+
+char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+
+ if (local->rx_led)
+ return local->rx_led_name;
+ return NULL;
+}
+EXPORT_SYMBOL(__ieee80211_get_rx_led_name);