---

yaml --- r: 135108 b: refs/heads/master c: 18eb62f h: refs/heads/master v: v3
git-mirror · Mar 5, 2009 · 1d783e7 · 1d783e7
1 parent cfc145d
commit 1d783e7
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Showing 4 changed files with 34 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 465ca84d95deeab37b7c3b10b2cb96b3fa07a891
+refs/heads/master: 18eb62f87a8d1dc6ed8a01a52e6b2b1600802608
diff --git a/trunk/drivers/net/wireless/ath9k/ath9k.h b/trunk/drivers/net/wireless/ath9k/ath9k.h
@@ -710,5 +710,7 @@ int ath9k_wiphy_unpause(struct ath_wiphy *aphy);
 int ath9k_wiphy_select(struct ath_wiphy *aphy);
 void ath9k_wiphy_chan_work(struct work_struct *work);
 bool ath9k_wiphy_started(struct ath_softc *sc);
+void ath9k_wiphy_pause_all_forced(struct ath_softc *sc,
+				  struct ath_wiphy *selected);
 
 #endif /* ATH9K_H */
diff --git a/trunk/drivers/net/wireless/ath9k/main.c b/trunk/drivers/net/wireless/ath9k/main.c
@@ -2343,7 +2343,13 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 		aphy->chan_is_ht = conf_is_ht(conf);
 
 		/* TODO: do not change operation channel immediately if there
-		 * are other virtual wiphys that use another channel */
+		 * are other virtual wiphys that use another channel. For now,
+		 * we do the change immediately to allow mac80211-operated scan
+		 * to work. Once the scan operation is moved into ath9k, we can
+		 * just move the current aphy in PAUSED state if the channel is
+		 * changed into something different from the current operation
+		 * channel. */
+		ath9k_wiphy_pause_all_forced(sc, aphy);
 
 		DPRINTF(sc, ATH_DBG_CONFIG, "Set channel: %d MHz\n",
 			curchan->center_freq);

diff --git a/trunk/drivers/net/wireless/ath9k/virtual.c b/trunk/drivers/net/wireless/ath9k/virtual.c
@@ -496,3 +496,27 @@ bool ath9k_wiphy_started(struct ath_softc *sc)
 	spin_unlock_bh(&sc->wiphy_lock);
 	return false;
 }
+
+static void ath9k_wiphy_pause_chan(struct ath_wiphy *aphy,
+				   struct ath_wiphy *selected)
+{
+	if (aphy->chan_idx == selected->chan_idx)
+		return;
+	aphy->state = ATH_WIPHY_PAUSED;
+	ieee80211_stop_queues(aphy->hw);
+}
+
+void ath9k_wiphy_pause_all_forced(struct ath_softc *sc,
+				  struct ath_wiphy *selected)
+{
+	int i;
+	spin_lock_bh(&sc->wiphy_lock);
+	if (sc->pri_wiphy->state == ATH_WIPHY_ACTIVE)
+		ath9k_wiphy_pause_chan(sc->pri_wiphy, selected);
+	for (i = 0; i < sc->num_sec_wiphy; i++) {
+		if (sc->sec_wiphy[i] &&
+		    sc->sec_wiphy[i]->state == ATH_WIPHY_ACTIVE)
+			ath9k_wiphy_pause_chan(sc->sec_wiphy[i], selected);
+	}
+	spin_unlock_bh(&sc->wiphy_lock);
+}