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mac80211: add blink api backport

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This patch was copied from a more recent backports versions. This fixes 
a build problem with kernel < 3.6.

This closes #14475

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38833 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
Hauke Mehrtens 2013-11-17 15:50:54 +00:00
parent 1b86f2f797
commit f50a8dafe8
1 changed files with 65 additions and 0 deletions
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65
package/kernel/mac80211/patches/070-mac80211-led-blink-api.patch Normal file
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@ -0,0 +1,65 @@
backports: use old led api on old kernel versions.
Usage of a new led api was introduced in mac80211, this patch make
backports use the old api on older kernel versions. This could cause a
problem with the led, the transmit led could stay on if nothing is
transfered.
This backports the following upstream commit:
commit e47f2509e5f182f4df144406de6f2bc78179d57e
Author: Fabio Baltieri <fabio.baltieri@gmail.com>
Date: Thu Jul 25 12:00:26 2013 +0200
mac80211: use oneshot blink API for LED triggers
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1122,6 +1122,9 @@ struct ieee80211_local {
u32 dot11TransmittedFrameCount;
#ifdef CPTCFG_MAC80211_LEDS
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
+ int tx_led_counter, rx_led_counter;
+#endif
struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led;
struct tpt_led_trigger *tpt_led_trigger;
char tx_led_name[32], rx_led_name[32],
--- a/net/mac80211/led.c
+++ b/net/mac80211/led.c
@@ -16,18 +16,36 @@
void ieee80211_led_rx(struct ieee80211_local *local)
{
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)
unsigned long led_delay = MAC80211_BLINK_DELAY;
+#endif
if (unlikely(!local->rx_led))
return;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)
led_trigger_blink_oneshot(local->rx_led, &led_delay, &led_delay, 0);
+#else
+ if (local->rx_led_counter++ % 2 == 0)
+ led_trigger_event(local->rx_led, LED_OFF);
+ else
+ led_trigger_event(local->rx_led, LED_FULL);
+#endif
}
void ieee80211_led_tx(struct ieee80211_local *local)
{
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)
unsigned long led_delay = MAC80211_BLINK_DELAY;
+#endif
if (unlikely(!local->tx_led))
return;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)
led_trigger_blink_oneshot(local->tx_led, &led_delay, &led_delay, 0);
+#else
+ if (local->tx_led_counter++ % 2 == 0)
+ led_trigger_event(local->tx_led, LED_OFF);
+ else
+ led_trigger_event(local->tx_led, LED_FULL);
+#endif
}
void ieee80211_led_assoc(struct ieee80211_local *local, bool associated)