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authorFelix Fietkau <nbd@openwrt.org>2010-11-27 22:11:13 +0000
committerFelix Fietkau <nbd@openwrt.org>2010-11-27 22:11:13 +0000
commitdc90b681225c7830c9c0158b9f0caa5a973bb06a (patch)
tree13e22a3de4c92ede4bd94c82026991f7df9da931 /package/mac80211/patches/562-throughput_trigger.patch
parent256f94dea403d8f25450ab6e03bc18ff9baa7c4a (diff)
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mac80211: add pending patches for throughput based led blinking and replace the broken ath9k blinking code with it
SVN-Revision: 24159
Diffstat (limited to 'package/mac80211/patches/562-throughput_trigger.patch')
-rw-r--r--package/mac80211/patches/562-throughput_trigger.patch373
1 files changed, 373 insertions, 0 deletions
diff --git a/package/mac80211/patches/562-throughput_trigger.patch b/package/mac80211/patches/562-throughput_trigger.patch
new file mode 100644
index 0000000000..8110547945
--- /dev/null
+++ b/package/mac80211/patches/562-throughput_trigger.patch
@@ -0,0 +1,373 @@
+Subject: mac80211: add throughput based LED blink trigger
+From: Johannes Berg <johannes.berg@intel.com>
+
+iwlwifi and other drivers like to blink their LED
+based on throughput. Implement this generically in
+mac80211, based on a throughput table the driver
+specifies. That way, drivers can set the blink
+frequencies depending on their desired behaviour
+and max throughput.
+
+All the drivers need to do is provide an LED class
+device, best with blink hardware offload.
+
+Signed-off-by: Johannes Berg <johannes.berg@intel.com>
+---
+v2: turn off LED when turning off radio
+
+ include/net/mac80211.h | 42 +++++++++++++++
+ net/mac80211/ieee80211_i.h | 14 +++++
+ net/mac80211/iface.c | 1
+ net/mac80211/led.c | 120 +++++++++++++++++++++++++++++++++++++++++++++
+ net/mac80211/led.h | 44 +++++++++++++---
+ net/mac80211/rx.c | 1
+ net/mac80211/tx.c | 1
+ net/mac80211/util.c | 2
+ 8 files changed, 216 insertions(+), 9 deletions(-)
+
+--- a/include/net/mac80211.h
++++ b/include/net/mac80211.h
+@@ -1849,11 +1849,27 @@ struct ieee80211_hw *ieee80211_alloc_hw(
+ */
+ int ieee80211_register_hw(struct ieee80211_hw *hw);
+
++/**
++ * struct ieee80211_tpt_blink - throughput blink description
++ * @throughput: throughput in Kbit/sec
++ * @blink_time: blink time in milliseconds
++ * (full cycle, ie. one off + one on period)
++ */
++struct ieee80211_tpt_blink {
++ int throughput;
++ int blink_time;
++};
++
+ #ifdef CONFIG_MAC80211_LEDS
+ extern char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw);
+ extern char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw);
+ extern char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw);
+ extern char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw);
++extern char *__ieee80211_create_tpt_led_trigger(
++ struct ieee80211_hw *hw,
++ unsigned long update_timeout,
++ const struct ieee80211_tpt_blink *blink_table,
++ unsigned int blink_table_len);
+ #endif
+ /**
+ * ieee80211_get_tx_led_name - get name of TX LED
+@@ -1932,6 +1948,32 @@ static inline char *ieee80211_get_radio_
+ }
+
+ /**
++ * ieee80211_create_tpt_led_trigger - create throughput LED trigger
++ * @hw: the hardware to create the trigger for
++ * @update_timeout: the update timeout (in jiffies)
++ * @blink_table: the blink table -- needs to be ordered by throughput
++ * @blink_table_len: size of the blink table
++ *
++ * This function returns %NULL (in case of error, or if no LED
++ * triggers are configured) or the name of the new trigger.
++ * This function must be called before ieee80211_register_hw().
++ */
++static inline char *
++ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw,
++ unsigned long update_timeout,
++ const struct ieee80211_tpt_blink *blink_table,
++ unsigned int blink_table_len)
++{
++#ifdef CONFIG_MAC80211_LEDS
++ return __ieee80211_create_tpt_led_trigger(hw, update_timeout,
++ blink_table,
++ blink_table_len);
++#else
++ return NULL;
++#endif
++}
++
++/**
+ * ieee80211_unregister_hw - Unregister a hardware device
+ *
+ * This function instructs mac80211 to free allocated resources
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -23,6 +23,7 @@
+ #include <linux/types.h>
+ #include <linux/spinlock.h>
+ #include <linux/etherdevice.h>
++#include <linux/leds.h>
+ #include <net/ieee80211_radiotap.h>
+ #include <net/cfg80211.h>
+ #include <net/mac80211.h>
+@@ -636,6 +637,18 @@ enum queue_stop_reason {
+ IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
+ };
+
++struct tpt_led_trigger {
++ struct led_trigger trig;
++ char name[32];
++ const struct ieee80211_tpt_blink *blink_table;
++ unsigned int blink_table_len;
++ unsigned long update_timeout;
++ struct timer_list timer;
++ bool running;
++ unsigned long prev_traffic;
++ unsigned long tx_bytes, rx_bytes;
++};
++
+ /**
+ * mac80211 scan flags - currently active scan mode
+ *
+@@ -849,6 +862,7 @@ struct ieee80211_local {
+ #ifdef CONFIG_MAC80211_LEDS
+ int tx_led_counter, rx_led_counter;
+ 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],
+ assoc_led_name[32], radio_led_name[32];
+ #endif
+--- a/net/mac80211/led.c
++++ b/net/mac80211/led.c
+@@ -103,6 +103,13 @@ void ieee80211_led_init(struct ieee80211
+ local->radio_led = NULL;
+ }
+ }
++
++ if (local->tpt_led_trigger) {
++ if (led_trigger_register(&local->tpt_led_trigger->trig)) {
++ kfree(local->tpt_led_trigger);
++ local->tpt_led_trigger = NULL;
++ }
++ }
+ }
+
+ void ieee80211_led_exit(struct ieee80211_local *local)
+@@ -123,6 +130,11 @@ void ieee80211_led_exit(struct ieee80211
+ led_trigger_unregister(local->rx_led);
+ kfree(local->rx_led);
+ }
++
++ if (local->tpt_led_trigger) {
++ led_trigger_unregister(&local->tpt_led_trigger->trig);
++ kfree(local->tpt_led_trigger);
++ }
+ }
+
+ char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw)
+@@ -156,3 +168,111 @@ char *__ieee80211_get_rx_led_name(struct
+ return local->rx_led_name;
+ }
+ EXPORT_SYMBOL(__ieee80211_get_rx_led_name);
++
++static unsigned long tpt_trig_traffic(struct ieee80211_local *local,
++ struct tpt_led_trigger *tpt_trig)
++{
++ unsigned long traffic, delta;
++
++ traffic = tpt_trig->tx_bytes + tpt_trig->rx_bytes;
++
++ delta = traffic - tpt_trig->prev_traffic;
++ tpt_trig->prev_traffic = traffic;
++ return delta / (1024 / 8);
++}
++
++static void tpt_trig_timer(unsigned long data)
++{
++ struct ieee80211_local *local = (void *)data;
++ struct tpt_led_trigger *tpt_trig = local->tpt_led_trigger;
++ struct led_classdev *led_cdev;
++ unsigned long on, off, tpt;
++ int i;
++
++ if (!tpt_trig->running)
++ return;
++
++ mod_timer(&tpt_trig->timer, jiffies + tpt_trig->update_timeout);
++
++ tpt = tpt_trig_traffic(local, tpt_trig);
++
++ /* default to just solid on */
++ on = 1;
++ off = 0;
++
++ for (i = tpt_trig->blink_table_len - 1; i >= 0; i--) {
++ if (tpt >= tpt_trig->blink_table[i].throughput) {
++ off = tpt_trig->blink_table[i].blink_time / 2;
++ on = tpt_trig->blink_table[i].blink_time - off;
++ break;
++ }
++ }
++
++ read_lock(&tpt_trig->trig.leddev_list_lock);
++ list_for_each_entry(led_cdev, &tpt_trig->trig.led_cdevs, trig_list)
++ led_blink_set(led_cdev, &on, &off);
++ read_unlock(&tpt_trig->trig.leddev_list_lock);
++}
++
++extern char *__ieee80211_create_tpt_led_trigger(
++ struct ieee80211_hw *hw,
++ unsigned long update_timeout,
++ const struct ieee80211_tpt_blink *blink_table,
++ unsigned int blink_table_len)
++{
++ struct ieee80211_local *local = hw_to_local(hw);
++ struct tpt_led_trigger *tpt_trig;
++
++ if (WARN_ON(local->tpt_led_trigger))
++ return NULL;
++
++ tpt_trig = kzalloc(sizeof(struct tpt_led_trigger), GFP_KERNEL);
++ if (!tpt_trig)
++ return NULL;
++
++ snprintf(tpt_trig->name, sizeof(tpt_trig->name),
++ "%stpt", wiphy_name(local->hw.wiphy));
++
++ tpt_trig->trig.name = tpt_trig->name;
++
++ tpt_trig->update_timeout = update_timeout;
++ tpt_trig->blink_table = blink_table;
++ tpt_trig->blink_table_len = blink_table_len;
++
++ setup_timer(&tpt_trig->timer, tpt_trig_timer, (unsigned long)local);
++
++ local->tpt_led_trigger = tpt_trig;
++
++ return tpt_trig->name;
++}
++EXPORT_SYMBOL(__ieee80211_create_tpt_led_trigger);
++
++void ieee80211_start_tpt_led_trig(struct ieee80211_local *local)
++{
++ struct tpt_led_trigger *tpt_trig = local->tpt_led_trigger;
++
++ if (!tpt_trig)
++ return;
++
++ /* reset traffic */
++ tpt_trig_traffic(local, tpt_trig);
++ tpt_trig->running = true;
++ mod_timer(&tpt_trig->timer, jiffies + tpt_trig->update_timeout);
++}
++
++void ieee80211_stop_tpt_led_trig(struct ieee80211_local *local)
++{
++ struct tpt_led_trigger *tpt_trig = local->tpt_led_trigger;
++ struct led_classdev *led_cdev;
++
++ if (!tpt_trig)
++ return;
++
++ tpt_trig->running = false;
++ del_timer_sync(&tpt_trig->timer);
++
++ read_lock(&tpt_trig->trig.leddev_list_lock);
++ list_for_each_entry(led_cdev, &tpt_trig->trig.led_cdevs, trig_list)
++ led_brightness_set(led_cdev, LED_OFF);
++ read_unlock(&tpt_trig->trig.leddev_list_lock);
++}
+--- a/net/mac80211/led.h
++++ b/net/mac80211/led.h
+@@ -12,15 +12,17 @@
+ #include "ieee80211_i.h"
+
+ #ifdef CONFIG_MAC80211_LEDS
+-extern void ieee80211_led_rx(struct ieee80211_local *local);
+-extern void ieee80211_led_tx(struct ieee80211_local *local, int q);
+-extern void ieee80211_led_assoc(struct ieee80211_local *local,
+- bool associated);
+-extern void ieee80211_led_radio(struct ieee80211_local *local,
+- bool enabled);
+-extern void ieee80211_led_names(struct ieee80211_local *local);
+-extern void ieee80211_led_init(struct ieee80211_local *local);
+-extern void ieee80211_led_exit(struct ieee80211_local *local);
++void ieee80211_led_rx(struct ieee80211_local *local);
++void ieee80211_led_tx(struct ieee80211_local *local, int q);
++void ieee80211_led_assoc(struct ieee80211_local *local,
++ bool associated);
++void ieee80211_led_radio(struct ieee80211_local *local,
++ bool enabled);
++void ieee80211_led_names(struct ieee80211_local *local);
++void ieee80211_led_init(struct ieee80211_local *local);
++void ieee80211_led_exit(struct ieee80211_local *local);
++void ieee80211_start_tpt_led_trig(struct ieee80211_local *local);
++void ieee80211_stop_tpt_led_trig(struct ieee80211_local *local);
+ #else
+ static inline void ieee80211_led_rx(struct ieee80211_local *local)
+ {
+@@ -45,4 +47,28 @@ static inline void ieee80211_led_init(st
+ static inline void ieee80211_led_exit(struct ieee80211_local *local)
+ {
+ }
++static inline void ieee80211_start_tpt_led_trig(struct ieee80211_local *local)
++{
++}
++static inline void ieee80211_stop_tpt_led_trig(struct ieee80211_local *local)
++{
++}
++#endif
++
++static inline void
++ieee80211_tpt_led_trig_tx(struct ieee80211_local *local, int bytes)
++{
++#ifdef CONFIG_MAC80211_LEDS
++ if (local->tpt_led_trigger)
++ local->tpt_led_trigger->tx_bytes += bytes;
+ #endif
++}
++
++static inline void
++ieee80211_tpt_led_trig_rx(struct ieee80211_local *local, int bytes)
++{
++#ifdef CONFIG_MAC80211_LEDS
++ if (local->tpt_led_trigger)
++ local->tpt_led_trigger->rx_bytes += bytes;
++#endif
++}
+--- a/net/mac80211/iface.c
++++ b/net/mac80211/iface.c
+@@ -225,6 +225,7 @@ static int ieee80211_do_open(struct net_
+ /* we're brought up, everything changes */
+ hw_reconf_flags = ~0;
+ ieee80211_led_radio(local, true);
++ ieee80211_start_tpt_led_trig(local);
+ }
+
+ /*
+--- a/net/mac80211/util.c
++++ b/net/mac80211/util.c
+@@ -1141,6 +1141,7 @@ u32 ieee80211_sta_get_rates(struct ieee8
+ void ieee80211_stop_device(struct ieee80211_local *local)
+ {
+ ieee80211_led_radio(local, false);
++ ieee80211_stop_tpt_led_trig(local);
+
+ cancel_work_sync(&local->reconfig_filter);
+
+@@ -1175,6 +1176,7 @@ int ieee80211_reconfig(struct ieee80211_
+ }
+
+ ieee80211_led_radio(local, true);
++ ieee80211_start_tpt_led_trig(local);
+ }
+
+ /* add interfaces */
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -2873,6 +2873,7 @@ void ieee80211_rx(struct ieee80211_hw *h
+ return;
+ }
+
++ ieee80211_tpt_led_trig_rx(local, skb->len);
+ __ieee80211_rx_handle_packet(hw, skb);
+
+ rcu_read_unlock();
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -1344,6 +1344,7 @@ static int __ieee80211_tx(struct ieee802
+ return IEEE80211_TX_AGAIN;
+ }
+
++ ieee80211_tpt_led_trig_tx(local, len);
+ *skbp = skb = next;
+ ieee80211_led_tx(local, 1);
+ fragm = true;