---

yaml --- r: 183663 b: refs/heads/master c: e239d85 h: refs/heads/master i: 183661: 0c8e3ed 183659: dce7a55 183655: b21ce5a 183647: 35b7023 v: v3
git-mirror · Jan 15, 2010 · 0b4b6b0 · 0b4b6b0
1 parent 82e7190
commit 0b4b6b0
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Showing 4 changed files with 20 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0005baf4a31efe6de6f922f73ccbd3762a110062
+refs/heads/master: e239d8591843945630521ec85edca08289f1a751
diff --git a/trunk/drivers/net/wireless/ath/ath9k/hw.c b/trunk/drivers/net/wireless/ath/ath9k/hw.c
@@ -1195,6 +1195,7 @@ void ath9k_hw_init_global_settings(struct ath_hw *ah)
 {
 	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
 	int acktimeout;
+	int slottime;
 	int sifstime;
 
 	ath_print(ath9k_hw_common(ah), ATH_DBG_RESET, "ah->misc_mode 0x%x\n",
@@ -1209,8 +1210,10 @@ void ath9k_hw_init_global_settings(struct ath_hw *ah)
 	else
 		sifstime = 10;
 
-	acktimeout = ah->slottime + sifstime;
-	ath9k_hw_setslottime(ah, ah->slottime);
+	/* As defined by IEEE 802.11-2007 17.3.8.6 */
+	slottime = ah->slottime + 3 * ah->coverage_class;
+	acktimeout = slottime + sifstime;
+	ath9k_hw_setslottime(ah, slottime);
 	ath9k_hw_set_ack_timeout(ah, acktimeout);
 	ath9k_hw_set_cts_timeout(ah, acktimeout);
 	if (ah->globaltxtimeout != (u32) -1)

diff --git a/trunk/drivers/net/wireless/ath/ath9k/hw.h b/trunk/drivers/net/wireless/ath/ath9k/hw.h
@@ -551,6 +551,7 @@ struct ath_hw {
 	u32 *bank6Temp;
 
 	int16_t txpower_indexoffset;
+	int coverage_class;
 	u32 beacon_interval;
 	u32 slottime;
 	u32 globaltxtimeout;

diff --git a/trunk/drivers/net/wireless/ath/ath9k/main.c b/trunk/drivers/net/wireless/ath/ath9k/main.c
@@ -2014,6 +2014,18 @@ static void ath9k_sw_scan_complete(struct ieee80211_hw *hw)
 	mutex_unlock(&sc->mutex);
 }
 
+static void ath9k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class)
+{
+	struct ath_wiphy *aphy = hw->priv;
+	struct ath_softc *sc = aphy->sc;
+	struct ath_hw *ah = sc->sc_ah;
+
+	mutex_lock(&sc->mutex);
+	ah->coverage_class = coverage_class;
+	ath9k_hw_init_global_settings(ah);
+	mutex_unlock(&sc->mutex);
+}
+
 struct ieee80211_ops ath9k_ops = {
 	.tx 		    = ath9k_tx,
 	.start 		    = ath9k_start,
@@ -2033,4 +2045,5 @@ struct ieee80211_ops ath9k_ops = {
 	.sw_scan_start      = ath9k_sw_scan_start,
 	.sw_scan_complete   = ath9k_sw_scan_complete,
 	.rfkill_poll        = ath9k_rfkill_poll_state,
+	.set_coverage_class = ath9k_set_coverage_class,
 };