mac80211: merge the new version of the throughput led trigger patch
SVN-Revision: 24182
This commit is contained in:
parent
a133b09b07
commit
1cd870049e
4 changed files with 90 additions and 112 deletions
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@ -14,20 +14,23 @@ device, best with blink hardware offload.
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Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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---
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v2: turn off LED when turning off radio
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v3: - use only data frames
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- fix update frequency to 1 second
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- use DIV_ROUND_UP
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include/net/mac80211.h | 42 +++++++++++++++
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net/mac80211/ieee80211_i.h | 14 +++++
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include/net/mac80211.h | 38 ++++++++++++++
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net/mac80211/ieee80211_i.h | 13 ++++
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net/mac80211/iface.c | 1
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net/mac80211/led.c | 120 +++++++++++++++++++++++++++++++++++++++++++++
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net/mac80211/led.c | 119 +++++++++++++++++++++++++++++++++++++++++++++
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net/mac80211/led.h | 44 +++++++++++++---
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net/mac80211/rx.c | 1
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net/mac80211/tx.c | 1
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net/mac80211/rx.c | 3 +
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net/mac80211/tx.c | 3 +
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net/mac80211/util.c | 2
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8 files changed, 216 insertions(+), 9 deletions(-)
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8 files changed, 214 insertions(+), 9 deletions(-)
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--- a/include/net/mac80211.h
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+++ b/include/net/mac80211.h
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@@ -1849,11 +1849,27 @@ struct ieee80211_hw *ieee80211_alloc_hw(
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@@ -1849,11 +1849,26 @@ struct ieee80211_hw *ieee80211_alloc_hw(
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*/
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int ieee80211_register_hw(struct ieee80211_hw *hw);
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@ -49,19 +52,17 @@ v2: turn off LED when turning off radio
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extern char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw);
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+extern char *__ieee80211_create_tpt_led_trigger(
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+ struct ieee80211_hw *hw,
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+ unsigned long update_timeout,
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+ const struct ieee80211_tpt_blink *blink_table,
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+ unsigned int blink_table_len);
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#endif
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/**
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* ieee80211_get_tx_led_name - get name of TX LED
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@@ -1932,6 +1948,32 @@ static inline char *ieee80211_get_radio_
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@@ -1932,6 +1947,29 @@ static inline char *ieee80211_get_radio_
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}
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/**
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+ * ieee80211_create_tpt_led_trigger - create throughput LED trigger
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+ * @hw: the hardware to create the trigger for
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+ * @update_timeout: the update timeout (in jiffies)
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+ * @blink_table: the blink table -- needs to be ordered by throughput
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+ * @blink_table_len: size of the blink table
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+ *
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@ -71,13 +72,11 @@ v2: turn off LED when turning off radio
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+ */
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+static inline char *
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+ieee80211_create_tpt_led_trigger(struct ieee80211_hw *hw,
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+ unsigned long update_timeout,
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+ const struct ieee80211_tpt_blink *blink_table,
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+ unsigned int blink_table_len)
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+{
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+#ifdef CONFIG_MAC80211_LEDS
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+ return __ieee80211_create_tpt_led_trigger(hw, update_timeout,
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+ blink_table,
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+ return __ieee80211_create_tpt_led_trigger(hw, blink_table,
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+ blink_table_len);
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+#else
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+ return NULL;
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@ -98,7 +97,7 @@ v2: turn off LED when turning off radio
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#include <net/ieee80211_radiotap.h>
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#include <net/cfg80211.h>
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#include <net/mac80211.h>
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@@ -636,6 +637,18 @@ enum queue_stop_reason {
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@@ -636,6 +637,17 @@ enum queue_stop_reason {
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IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
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};
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@ -107,7 +106,6 @@ v2: turn off LED when turning off radio
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+ char name[32];
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+ const struct ieee80211_tpt_blink *blink_table;
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+ unsigned int blink_table_len;
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+ unsigned long update_timeout;
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+ struct timer_list timer;
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+ bool running;
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+ unsigned long prev_traffic;
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@ -117,7 +115,7 @@ v2: turn off LED when turning off radio
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/**
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* mac80211 scan flags - currently active scan mode
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*
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@@ -849,6 +862,7 @@ struct ieee80211_local {
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@@ -849,6 +861,7 @@ struct ieee80211_local {
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#ifdef CONFIG_MAC80211_LEDS
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int tx_led_counter, rx_led_counter;
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struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led;
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@ -153,7 +151,7 @@ v2: turn off LED when turning off radio
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}
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char *__ieee80211_get_radio_led_name(struct ieee80211_hw *hw)
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@@ -156,3 +168,111 @@ char *__ieee80211_get_rx_led_name(struct
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@@ -156,3 +168,110 @@ char *__ieee80211_get_rx_led_name(struct
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return local->rx_led_name;
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}
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EXPORT_SYMBOL(__ieee80211_get_rx_led_name);
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@ -167,7 +165,7 @@ v2: turn off LED when turning off radio
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+
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+ delta = traffic - tpt_trig->prev_traffic;
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+ tpt_trig->prev_traffic = traffic;
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+ return delta / (1024 / 8);
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+ return DIV_ROUND_UP(delta, 1024 / 8);
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+}
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+
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+static void tpt_trig_timer(unsigned long data)
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@ -181,7 +179,7 @@ v2: turn off LED when turning off radio
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+ if (!tpt_trig->running)
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+ return;
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+
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+ mod_timer(&tpt_trig->timer, jiffies + tpt_trig->update_timeout);
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+ mod_timer(&tpt_trig->timer, round_jiffies(jiffies + HZ));
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+
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+ tpt = tpt_trig_traffic(local, tpt_trig);
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+
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@ -190,7 +188,7 @@ v2: turn off LED when turning off radio
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+ off = 0;
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+
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+ for (i = tpt_trig->blink_table_len - 1; i >= 0; i--) {
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+ if (tpt >= tpt_trig->blink_table[i].throughput) {
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+ if (tpt > tpt_trig->blink_table[i].throughput) {
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+ off = tpt_trig->blink_table[i].blink_time / 2;
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+ on = tpt_trig->blink_table[i].blink_time - off;
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+ break;
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@ -205,7 +203,6 @@ v2: turn off LED when turning off radio
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+
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+extern char *__ieee80211_create_tpt_led_trigger(
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+ struct ieee80211_hw *hw,
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+ unsigned long update_timeout,
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+ const struct ieee80211_tpt_blink *blink_table,
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+ unsigned int blink_table_len)
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+{
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@ -224,7 +221,6 @@ v2: turn off LED when turning off radio
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+
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+ tpt_trig->trig.name = tpt_trig->name;
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+
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+ tpt_trig->update_timeout = update_timeout;
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+ tpt_trig->blink_table = blink_table;
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+ tpt_trig->blink_table_len = blink_table_len;
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+
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@ -246,7 +242,8 @@ v2: turn off LED when turning off radio
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+ /* reset traffic */
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+ tpt_trig_traffic(local, tpt_trig);
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+ tpt_trig->running = true;
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+ mod_timer(&tpt_trig->timer, jiffies + tpt_trig->update_timeout);
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+
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+ mod_timer(&tpt_trig->timer, round_jiffies(jiffies + HZ));
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+}
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+
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+void ieee80211_stop_tpt_led_trig(struct ieee80211_local *local)
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@ -307,19 +304,19 @@ v2: turn off LED when turning off radio
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+#endif
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+
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+static inline void
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+ieee80211_tpt_led_trig_tx(struct ieee80211_local *local, int bytes)
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+ieee80211_tpt_led_trig_tx(struct ieee80211_local *local, __le16 fc, int bytes)
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+{
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+#ifdef CONFIG_MAC80211_LEDS
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+ if (local->tpt_led_trigger)
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+ if (local->tpt_led_trigger && ieee80211_is_data(fc))
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+ local->tpt_led_trigger->tx_bytes += bytes;
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#endif
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+}
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+
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+static inline void
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+ieee80211_tpt_led_trig_rx(struct ieee80211_local *local, int bytes)
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+ieee80211_tpt_led_trig_rx(struct ieee80211_local *local, __le16 fc, int bytes)
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+{
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+#ifdef CONFIG_MAC80211_LEDS
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+ if (local->tpt_led_trigger)
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+ if (local->tpt_led_trigger && ieee80211_is_data(fc))
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+ local->tpt_led_trigger->rx_bytes += bytes;
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+#endif
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+}
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@ -353,21 +350,39 @@ v2: turn off LED when turning off radio
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/* add interfaces */
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--- a/net/mac80211/rx.c
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+++ b/net/mac80211/rx.c
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@@ -2873,6 +2873,7 @@ void ieee80211_rx(struct ieee80211_hw *h
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@@ -2873,6 +2873,9 @@ void ieee80211_rx(struct ieee80211_hw *h
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return;
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}
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+ ieee80211_tpt_led_trig_rx(local, skb->len);
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+ ieee80211_tpt_led_trig_rx(local,
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+ ((struct ieee80211_hdr *)skb->data)->frame_control,
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+ skb->len);
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__ieee80211_rx_handle_packet(hw, skb);
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rcu_read_unlock();
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--- a/net/mac80211/tx.c
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+++ b/net/mac80211/tx.c
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@@ -1344,6 +1344,7 @@ static int __ieee80211_tx(struct ieee802
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@@ -1292,6 +1292,7 @@ static int __ieee80211_tx(struct ieee802
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while (skb) {
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int q = skb_get_queue_mapping(skb);
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+ __le16 fc;
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spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
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ret = IEEE80211_TX_OK;
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@@ -1334,6 +1335,7 @@ static int __ieee80211_tx(struct ieee802
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else
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info->control.sta = NULL;
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+ fc = ((struct ieee80211_hdr *)skb->data)->frame_control;
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ret = drv_tx(local, skb);
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if (WARN_ON(ret != NETDEV_TX_OK && skb->len != len)) {
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dev_kfree_skb(skb);
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@@ -1344,6 +1346,7 @@ static int __ieee80211_tx(struct ieee802
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return IEEE80211_TX_AGAIN;
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}
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+ ieee80211_tpt_led_trig_tx(local, len);
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+ ieee80211_tpt_led_trig_tx(local, fc, len);
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*skbp = skb = next;
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ieee80211_led_tx(local, 1);
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fragm = true;
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@ -61,7 +61,7 @@
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--- a/drivers/net/wireless/ath/ath9k/gpio.c
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+++ b/drivers/net/wireless/ath/ath9k/gpio.c
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@@ -20,115 +20,34 @@
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@@ -20,120 +20,25 @@
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/* LED functions */
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/********************************/
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@ -98,20 +98,8 @@
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- else
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- sc->sc_flags |= SC_OP_LED_ON;
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-}
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-
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+#ifdef CONFIG_MAC80211_LEDS
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+static const struct ieee80211_tpt_blink ath9k_blink[] = {
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+ { .throughput = 0 * 1024, .blink_time = 334 },
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+ { .throughput = 1 * 1024, .blink_time = 260 },
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+ { .throughput = 5 * 1024, .blink_time = 220 },
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+ { .throughput = 10 * 1024, .blink_time = 190 },
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+ { .throughput = 20 * 1024, .blink_time = 170 },
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+ { .throughput = 50 * 1024, .blink_time = 150 },
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+ { .throughput = 70 * 1024, .blink_time = 130 },
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+ { .throughput = 100 * 1024, .blink_time = 110 },
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+ { .throughput = 200 * 1024, .blink_time = 80 },
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+ { .throughput = 300 * 1024, .blink_time = 50 },
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+};
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static void ath_led_brightness(struct led_classdev *led_cdev,
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enum led_brightness brightness)
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{
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@ -195,25 +183,24 @@
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}
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void ath_init_leds(struct ath_softc *sc)
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@@ -152,48 +71,28 @@ void ath_init_leds(struct ath_softc *sc)
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{
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- char *trigger;
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int ret;
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if (AR_SREV_9100(sc->sc_ah))
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@@ -152,48 +57,22 @@ void ath_init_leds(struct ath_softc *sc)
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/* LED off, active low */
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ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
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- if (led_blink)
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- INIT_DELAYED_WORK(&sc->ath_led_blink_work, ath_led_blink_work);
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+ /*
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+ * create the tpt trigger even if led_blink is disabled, so that
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+ * user space can still make use of it
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+ */
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+ trigger = ieee80211_create_tpt_led_trigger(sc->hw, HZ, ath9k_blink,
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+ ARRAY_SIZE(ath9k_blink));
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+ if (!led_blink)
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+ trigger = ieee80211_get_radio_led_name(sc->hw);
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+ sc->led_cdev.default_trigger =
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+ ieee80211_get_radio_led_name(sc->hw);
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+
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+ snprintf(sc->led_name, sizeof(sc->led_name),
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+ "ath9k-%s", wiphy_name(sc->hw->wiphy));
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+ sc->led_cdev.name = sc->led_name;
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+ sc->led_cdev.default_trigger = trigger;
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+ sc->led_cdev.brightness_set = ath_led_brightness;
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+
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+ ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &sc->led_cdev);
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@ -276,3 +263,37 @@
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cancel_delayed_work_sync(&sc->tx_complete_work);
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cancel_work_sync(&sc->paprd_work);
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cancel_work_sync(&sc->hw_check_work);
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--- a/drivers/net/wireless/ath/ath9k/init.c
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+++ b/drivers/net/wireless/ath/ath9k/init.c
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@@ -136,6 +136,20 @@ static struct ieee80211_rate ath9k_legac
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RATE(540, 0x0c, 0),
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};
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+static const struct ieee80211_tpt_blink ath9k_tpt_blink[] = {
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+ { .throughput = 0 * 1024, .blink_time = 334 },
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+ { .throughput = 1 * 1024, .blink_time = 260 },
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+ { .throughput = 5 * 1024, .blink_time = 220 },
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+ { .throughput = 10 * 1024, .blink_time = 190 },
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+ { .throughput = 20 * 1024, .blink_time = 170 },
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+ { .throughput = 50 * 1024, .blink_time = 150 },
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+ { .throughput = 70 * 1024, .blink_time = 130 },
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+ { .throughput = 100 * 1024, .blink_time = 110 },
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+ { .throughput = 200 * 1024, .blink_time = 80 },
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+ { .throughput = 300 * 1024, .blink_time = 50 },
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+};
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+
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+
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static void ath9k_deinit_softc(struct ath_softc *sc);
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/*
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@@ -746,6 +760,10 @@ int ath9k_init_device(u16 devid, struct
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ath9k_init_txpower_limits(sc);
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+ /* must be initialized before ieee80211_register_hw */
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+ sc->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(sc->hw,
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+ ath9k_tpt_blink, ARRAY_SIZE(ath9k_tpt_blink));
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+
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/* Register with mac80211 */
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error = ieee80211_register_hw(hw);
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if (error)
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@ -1,29 +0,0 @@
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--- a/net/mac80211/led.c
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+++ b/net/mac80211/led.c
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@@ -103,13 +103,6 @@ void ieee80211_led_init(struct ieee80211
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local->radio_led = NULL;
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}
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}
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-
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- if (local->tpt_led_trigger) {
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- if (led_trigger_register(&local->tpt_led_trigger->trig)) {
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- kfree(local->tpt_led_trigger);
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- local->tpt_led_trigger = 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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@@ -243,6 +236,12 @@ extern char *__ieee80211_create_tpt_led_
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local->tpt_led_trigger = tpt_trig;
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+ if (led_trigger_register(&local->tpt_led_trigger->trig)) {
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+ kfree(local->tpt_led_trigger);
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+ local->tpt_led_trigger = NULL;
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+ return NULL;
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+ }
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+
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return tpt_trig->name;
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}
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EXPORT_SYMBOL(__ieee80211_create_tpt_led_trigger);
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@ -1,29 +0,0 @@
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--- a/net/mac80211/led.c
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+++ b/net/mac80211/led.c
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@@ -194,7 +194,7 @@ static void tpt_trig_timer(unsigned long
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off = 0;
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for (i = tpt_trig->blink_table_len - 1; i >= 0; i--) {
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- if (tpt >= tpt_trig->blink_table[i].throughput) {
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+ if (tpt > tpt_trig->blink_table[i].throughput) {
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off = tpt_trig->blink_table[i].blink_time / 2;
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on = tpt_trig->blink_table[i].blink_time - off;
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break;
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--- a/net/mac80211/rx.c
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+++ b/net/mac80211/rx.c
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@@ -1877,6 +1877,7 @@ ieee80211_rx_h_data(struct ieee80211_rx_
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msecs_to_jiffies(local->hw.conf.dynamic_ps_timeout));
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}
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+ ieee80211_tpt_led_trig_rx(local, rx->skb->len);
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ieee80211_deliver_skb(rx);
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return RX_QUEUED;
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@@ -2873,7 +2874,6 @@ void ieee80211_rx(struct ieee80211_hw *h
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return;
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}
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- ieee80211_tpt_led_trig_rx(local, skb->len);
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__ieee80211_rx_handle_packet(hw, skb);
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rcu_read_unlock();
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