mac80211: merge the new version of the throughput led trigger patch

SVN-Revision: 24182
This commit is contained in:
Felix Fietkau 2010-11-28 18:28:12 +00:00
parent a133b09b07
commit 1cd870049e
4 changed files with 90 additions and 112 deletions

View file

@ -14,20 +14,23 @@ device, best with blink hardware offload.
Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
--- ---
v2: turn off LED when turning off radio v2: turn off LED when turning off radio
v3: - use only data frames
- fix update frequency to 1 second
- use DIV_ROUND_UP
include/net/mac80211.h | 42 +++++++++++++++ include/net/mac80211.h | 38 ++++++++++++++
net/mac80211/ieee80211_i.h | 14 +++++ net/mac80211/ieee80211_i.h | 13 ++++
net/mac80211/iface.c | 1 net/mac80211/iface.c | 1
net/mac80211/led.c | 120 +++++++++++++++++++++++++++++++++++++++++++++ net/mac80211/led.c | 119 +++++++++++++++++++++++++++++++++++++++++++++
net/mac80211/led.h | 44 +++++++++++++--- net/mac80211/led.h | 44 +++++++++++++---
net/mac80211/rx.c | 1 net/mac80211/rx.c | 3 +
net/mac80211/tx.c | 1 net/mac80211/tx.c | 3 +
net/mac80211/util.c | 2 net/mac80211/util.c | 2
8 files changed, 216 insertions(+), 9 deletions(-) 8 files changed, 214 insertions(+), 9 deletions(-)
--- a/include/net/mac80211.h --- a/include/net/mac80211.h
+++ b/include/net/mac80211.h +++ b/include/net/mac80211.h
@@ -1849,11 +1849,27 @@ struct ieee80211_hw *ieee80211_alloc_hw( @@ -1849,11 +1849,26 @@ struct ieee80211_hw *ieee80211_alloc_hw(
*/ */
int ieee80211_register_hw(struct ieee80211_hw *hw); int ieee80211_register_hw(struct ieee80211_hw *hw);
@ -49,19 +52,17 @@ v2: turn off LED when turning off radio
extern char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw); extern char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw);
+extern char *__ieee80211_create_tpt_led_trigger( +extern char *__ieee80211_create_tpt_led_trigger(
+ struct ieee80211_hw *hw, + struct ieee80211_hw *hw,
+ unsigned long update_timeout,
+ const struct ieee80211_tpt_blink *blink_table, + const struct ieee80211_tpt_blink *blink_table,
+ unsigned int blink_table_len); + unsigned int blink_table_len);
#endif #endif
/** /**
* ieee80211_get_tx_led_name - get name of TX LED * ieee80211_get_tx_led_name - get name of TX LED
@@ -1932,6 +1948,32 @@ static inline char *ieee80211_get_radio_ @@ -1932,6 +1947,29 @@ static inline char *ieee80211_get_radio_
} }
/** /**
+ * ieee80211_create_tpt_led_trigger - create throughput LED trigger + * ieee80211_create_tpt_led_trigger - create throughput LED trigger
+ * @hw: the hardware to create the trigger for + * @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: the blink table -- needs to be ordered by throughput
+ * @blink_table_len: size of the blink table + * @blink_table_len: size of the blink table
+ * + *
@ -71,13 +72,11 @@ v2: turn off LED when turning off radio
+ */ + */
+static inline char * +static inline char *
+ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw, +ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw,
+ unsigned long update_timeout,
+ const struct ieee80211_tpt_blink *blink_table, + const struct ieee80211_tpt_blink *blink_table,
+ unsigned int blink_table_len) + unsigned int blink_table_len)
+{ +{
+#ifdef CONFIG_MAC80211_LEDS +#ifdef CONFIG_MAC80211_LEDS
+ return __ieee80211_create_tpt_led_trigger(hw, update_timeout, + return __ieee80211_create_tpt_led_trigger(hw, blink_table,
+ blink_table,
+ blink_table_len); + blink_table_len);
+#else +#else
+ return NULL; + return NULL;
@ -98,7 +97,7 @@ v2: turn off LED when turning off radio
#include <net/ieee80211_radiotap.h> #include <net/ieee80211_radiotap.h>
#include <net/cfg80211.h> #include <net/cfg80211.h>
#include <net/mac80211.h> #include <net/mac80211.h>
@@ -636,6 +637,18 @@ enum queue_stop_reason { @@ -636,6 +637,17 @@ enum queue_stop_reason {
IEEE80211_QUEUE_STOP_REASON_SKB_ADD, IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
}; };
@ -107,7 +106,6 @@ v2: turn off LED when turning off radio
+ char name[32]; + char name[32];
+ const struct ieee80211_tpt_blink *blink_table; + const struct ieee80211_tpt_blink *blink_table;
+ unsigned int blink_table_len; + unsigned int blink_table_len;
+ unsigned long update_timeout;
+ struct timer_list timer; + struct timer_list timer;
+ bool running; + bool running;
+ unsigned long prev_traffic; + unsigned long prev_traffic;
@ -117,7 +115,7 @@ v2: turn off LED when turning off radio
/** /**
* mac80211 scan flags - currently active scan mode * mac80211 scan flags - currently active scan mode
* *
@@ -849,6 +862,7 @@ struct ieee80211_local { @@ -849,6 +861,7 @@ struct ieee80211_local {
#ifdef CONFIG_MAC80211_LEDS #ifdef CONFIG_MAC80211_LEDS
int tx_led_counter, rx_led_counter; int tx_led_counter, rx_led_counter;
struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led;
@ -153,7 +151,7 @@ v2: turn off LED when turning off radio
} }
char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw) char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw)
@@ -156,3 +168,111 @@ char *__ieee80211_get_rx_led_name(struct @@ -156,3 +168,110 @@ char *__ieee80211_get_rx_led_name(struct
return local->rx_led_name; return local->rx_led_name;
} }
EXPORT_SYMBOL(__ieee80211_get_rx_led_name); EXPORT_SYMBOL(__ieee80211_get_rx_led_name);
@ -167,7 +165,7 @@ v2: turn off LED when turning off radio
+ +
+ delta = traffic - tpt_trig->prev_traffic; + delta = traffic - tpt_trig->prev_traffic;
+ tpt_trig->prev_traffic = traffic; + tpt_trig->prev_traffic = traffic;
+ return delta / (1024 / 8); + return DIV_ROUND_UP(delta, 1024 / 8);
+} +}
+ +
+static void tpt_trig_timer(unsigned long data) +static void tpt_trig_timer(unsigned long data)
@ -181,7 +179,7 @@ v2: turn off LED when turning off radio
+ if (!tpt_trig->running) + if (!tpt_trig->running)
+ return; + return;
+ +
+ mod_timer(&tpt_trig->timer, jiffies + tpt_trig->update_timeout); + mod_timer(&tpt_trig->timer, round_jiffies(jiffies + HZ));
+ +
+ tpt = tpt_trig_traffic(local, tpt_trig); + tpt = tpt_trig_traffic(local, tpt_trig);
+ +
@ -190,7 +188,7 @@ v2: turn off LED when turning off radio
+ off = 0; + off = 0;
+ +
+ for (i = tpt_trig->blink_table_len - 1; i >= 0; i--) { + for (i = tpt_trig->blink_table_len - 1; i >= 0; i--) {
+ if (tpt >= tpt_trig->blink_table[i].throughput) { + if (tpt > tpt_trig->blink_table[i].throughput) {
+ off = tpt_trig->blink_table[i].blink_time / 2; + off = tpt_trig->blink_table[i].blink_time / 2;
+ on = tpt_trig->blink_table[i].blink_time - off; + on = tpt_trig->blink_table[i].blink_time - off;
+ break; + break;
@ -205,7 +203,6 @@ v2: turn off LED when turning off radio
+ +
+extern char *__ieee80211_create_tpt_led_trigger( +extern char *__ieee80211_create_tpt_led_trigger(
+ struct ieee80211_hw *hw, + struct ieee80211_hw *hw,
+ unsigned long update_timeout,
+ const struct ieee80211_tpt_blink *blink_table, + const struct ieee80211_tpt_blink *blink_table,
+ unsigned int blink_table_len) + unsigned int blink_table_len)
+{ +{
@ -224,7 +221,6 @@ v2: turn off LED when turning off radio
+ +
+ tpt_trig->trig.name = tpt_trig->name; + tpt_trig->trig.name = tpt_trig->name;
+ +
+ tpt_trig->update_timeout = update_timeout;
+ tpt_trig->blink_table = blink_table; + tpt_trig->blink_table = blink_table;
+ tpt_trig->blink_table_len = blink_table_len; + tpt_trig->blink_table_len = blink_table_len;
+ +
@ -246,7 +242,8 @@ v2: turn off LED when turning off radio
+ /* reset traffic */ + /* reset traffic */
+ tpt_trig_traffic(local, tpt_trig); + tpt_trig_traffic(local, tpt_trig);
+ tpt_trig->running = true; + tpt_trig->running = true;
+ mod_timer(&tpt_trig->timer, jiffies + tpt_trig->update_timeout); +
+ mod_timer(&tpt_trig->timer, round_jiffies(jiffies + HZ));
+} +}
+ +
+void ieee80211_stop_tpt_led_trig(struct ieee80211_local *local) +void ieee80211_stop_tpt_led_trig(struct ieee80211_local *local)
@ -307,19 +304,19 @@ v2: turn off LED when turning off radio
+#endif +#endif
+ +
+static inline void +static inline void
+ieee80211_tpt_led_trig_tx(struct ieee80211_local *local, int bytes) +ieee80211_tpt_led_trig_tx(struct ieee80211_local *local, __le16 fc, int bytes)
+{ +{
+#ifdef CONFIG_MAC80211_LEDS +#ifdef CONFIG_MAC80211_LEDS
+ if (local->tpt_led_trigger) + if (local->tpt_led_trigger && ieee80211_is_data(fc))
+ local->tpt_led_trigger->tx_bytes += bytes; + local->tpt_led_trigger->tx_bytes += bytes;
#endif #endif
+} +}
+ +
+static inline void +static inline void
+ieee80211_tpt_led_trig_rx(struct ieee80211_local *local, int bytes) +ieee80211_tpt_led_trig_rx(struct ieee80211_local *local, __le16 fc, int bytes)
+{ +{
+#ifdef CONFIG_MAC80211_LEDS +#ifdef CONFIG_MAC80211_LEDS
+ if (local->tpt_led_trigger) + if (local->tpt_led_trigger && ieee80211_is_data(fc))
+ local->tpt_led_trigger->rx_bytes += bytes; + local->tpt_led_trigger->rx_bytes += bytes;
+#endif +#endif
+} +}
@ -353,21 +350,39 @@ v2: turn off LED when turning off radio
/* add interfaces */ /* add interfaces */
--- a/net/mac80211/rx.c --- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c +++ b/net/mac80211/rx.c
@@ -2873,6 +2873,7 @@ void ieee80211_rx(struct ieee80211_hw *h @@ -2873,6 +2873,9 @@ void ieee80211_rx(struct ieee80211_hw *h
return; return;
} }
+ ieee80211_tpt_led_trig_rx(local, skb->len); + ieee80211_tpt_led_trig_rx(local,
+ ((struct ieee80211_hdr *)skb->data)->frame_control,
+ skb->len);
__ieee80211_rx_handle_packet(hw, skb); __ieee80211_rx_handle_packet(hw, skb);
rcu_read_unlock(); rcu_read_unlock();
--- a/net/mac80211/tx.c --- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c +++ b/net/mac80211/tx.c
@@ -1344,6 +1344,7 @@ static int __ieee80211_tx(struct ieee802 @@ -1292,6 +1292,7 @@ static int __ieee80211_tx(struct ieee802
while (skb) {
int q = skb_get_queue_mapping(skb);
+ __le16 fc;
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
ret = IEEE80211_TX_OK;
@@ -1334,6 +1335,7 @@ static int __ieee80211_tx(struct ieee802
else
info->control.sta = NULL;
+ fc = ((struct ieee80211_hdr *)skb->data)->frame_control;
ret = drv_tx(local, skb);
if (WARN_ON(ret != NETDEV_TX_OK && skb->len != len)) {
dev_kfree_skb(skb);
@@ -1344,6 +1346,7 @@ static int __ieee80211_tx(struct ieee802
return IEEE80211_TX_AGAIN; return IEEE80211_TX_AGAIN;
} }
+ ieee80211_tpt_led_trig_tx(local, len); + ieee80211_tpt_led_trig_tx(local, fc, len);
*skbp = skb = next; *skbp = skb = next;
ieee80211_led_tx(local, 1); ieee80211_led_tx(local, 1);
fragm = true; fragm = true;

View file

@ -61,7 +61,7 @@
--- a/drivers/net/wireless/ath/ath9k/gpio.c --- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c +++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -20,115 +20,34 @@ @@ -20,120 +20,25 @@
/* LED functions */ /* LED functions */
/********************************/ /********************************/
@ -98,20 +98,8 @@
- else - else
- sc->sc_flags |= SC_OP_LED_ON; - sc->sc_flags |= SC_OP_LED_ON;
-} -}
-
+#ifdef CONFIG_MAC80211_LEDS +#ifdef CONFIG_MAC80211_LEDS
+static const struct ieee80211_tpt_blink ath9k_blink[] = {
+ { .throughput = 0 * 1024, .blink_time = 334 },
+ { .throughput = 1 * 1024, .blink_time = 260 },
+ { .throughput = 5 * 1024, .blink_time = 220 },
+ { .throughput = 10 * 1024, .blink_time = 190 },
+ { .throughput = 20 * 1024, .blink_time = 170 },
+ { .throughput = 50 * 1024, .blink_time = 150 },
+ { .throughput = 70 * 1024, .blink_time = 130 },
+ { .throughput = 100 * 1024, .blink_time = 110 },
+ { .throughput = 200 * 1024, .blink_time = 80 },
+ { .throughput = 300 * 1024, .blink_time = 50 },
+};
static void ath_led_brightness(struct led_classdev *led_cdev, static void ath_led_brightness(struct led_classdev *led_cdev,
enum led_brightness brightness) enum led_brightness brightness)
{ {
@ -195,25 +183,24 @@
} }
void ath_init_leds(struct ath_softc *sc) void ath_init_leds(struct ath_softc *sc)
@@ -152,48 +71,28 @@ void ath_init_leds(struct ath_softc *sc) {
- char *trigger;
int ret;
if (AR_SREV_9100(sc->sc_ah))
@@ -152,48 +57,22 @@ void ath_init_leds(struct ath_softc *sc)
/* LED off, active low */ /* LED off, active low */
ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1); ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
- if (led_blink) - if (led_blink)
- INIT_DELAYED_WORK(&sc->ath_led_blink_work, ath_led_blink_work); - INIT_DELAYED_WORK(&sc->ath_led_blink_work, ath_led_blink_work);
+ /*
+ * create the tpt trigger even if led_blink is disabled, so that
+ * user space can still make use of it
+ */
+ trigger = ieee80211_create_tpt_led_trigger(sc->hw, HZ, ath9k_blink,
+ ARRAY_SIZE(ath9k_blink));
+ if (!led_blink) + if (!led_blink)
+ trigger = ieee80211_get_radio_led_name(sc->hw); + sc->led_cdev.default_trigger =
+ ieee80211_get_radio_led_name(sc->hw);
+ +
+ snprintf(sc->led_name, sizeof(sc->led_name), + snprintf(sc->led_name, sizeof(sc->led_name),
+ "ath9k-%s", wiphy_name(sc->hw->wiphy)); + "ath9k-%s", wiphy_name(sc->hw->wiphy));
+ sc->led_cdev.name = sc->led_name; + sc->led_cdev.name = sc->led_name;
+ sc->led_cdev.default_trigger = trigger;
+ sc->led_cdev.brightness_set = ath_led_brightness; + sc->led_cdev.brightness_set = ath_led_brightness;
+ +
+ ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &sc->led_cdev); + ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &sc->led_cdev);
@ -276,3 +263,37 @@
cancel_delayed_work_sync(&sc->tx_complete_work); cancel_delayed_work_sync(&sc->tx_complete_work);
cancel_work_sync(&sc->paprd_work); cancel_work_sync(&sc->paprd_work);
cancel_work_sync(&sc->hw_check_work); cancel_work_sync(&sc->hw_check_work);
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -136,6 +136,20 @@ static struct ieee80211_rate ath9k_legac
RATE(540, 0x0c, 0),
};
+static const struct ieee80211_tpt_blink ath9k_tpt_blink[] = {
+ { .throughput = 0 * 1024, .blink_time = 334 },
+ { .throughput = 1 * 1024, .blink_time = 260 },
+ { .throughput = 5 * 1024, .blink_time = 220 },
+ { .throughput = 10 * 1024, .blink_time = 190 },
+ { .throughput = 20 * 1024, .blink_time = 170 },
+ { .throughput = 50 * 1024, .blink_time = 150 },
+ { .throughput = 70 * 1024, .blink_time = 130 },
+ { .throughput = 100 * 1024, .blink_time = 110 },
+ { .throughput = 200 * 1024, .blink_time = 80 },
+ { .throughput = 300 * 1024, .blink_time = 50 },
+};
+
+
static void ath9k_deinit_softc(struct ath_softc *sc);
/*
@@ -746,6 +760,10 @@ int ath9k_init_device(u16 devid, struct
ath9k_init_txpower_limits(sc);
+ /* must be initialized before ieee80211_register_hw */
+ sc->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(sc->hw,
+ ath9k_tpt_blink, ARRAY_SIZE(ath9k_tpt_blink));
+
/* Register with mac80211 */
error = ieee80211_register_hw(hw);
if (error)

View file

@ -1,29 +0,0 @@
--- a/net/mac80211/led.c
+++ b/net/mac80211/led.c
@@ -103,13 +103,6 @@ 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)
@@ -243,6 +236,12 @@ extern char *__ieee80211_create_tpt_led_
local->tpt_led_trigger = tpt_trig;
+ if (led_trigger_register(&local->tpt_led_trigger->trig)) {
+ kfree(local->tpt_led_trigger);
+ local->tpt_led_trigger = NULL;
+ return NULL;
+ }
+
return tpt_trig->name;
}
EXPORT_SYMBOL(__ieee80211_create_tpt_led_trigger);

View file

@ -1,29 +0,0 @@
--- a/net/mac80211/led.c
+++ b/net/mac80211/led.c
@@ -194,7 +194,7 @@ static void tpt_trig_timer(unsigned long
off = 0;
for (i = tpt_trig->blink_table_len - 1; i >= 0; i--) {
- if (tpt >= tpt_trig->blink_table[i].throughput) {
+ 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;
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1877,6 +1877,7 @@ ieee80211_rx_h_data(struct ieee80211_rx_
msecs_to_jiffies(local->hw.conf.dynamic_ps_timeout));
}
+ ieee80211_tpt_led_trig_rx(local, rx->skb->len);
ieee80211_deliver_skb(rx);
return RX_QUEUED;
@@ -2873,7 +2874,6 @@ 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();