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authorEliad Peller <eliad@wizery.com>2014-02-10 13:47:30 +0200
committerJohn W. Linville <linville@tuxdriver.com>2014-02-13 15:20:16 -0500
commit41ed1a787c4940d58d5870c633ab6291dd4679dd (patch)
treecf851f43ff981c61cdd9a01adfef64e4911fb60b /drivers/net/wireless/ti
parentbf4e5f1ac0e2b277424ec0d035b1fbab46dd66bb (diff)
downloadlinux-41ed1a787c4940d58d5870c633ab6291dd4679dd.tar.gz
wlcore: consider multiple APs when checking active_link_count
Each AP has its own global and broadcast links, so when
checking for active sta count (according to the active_link_count)
we must take them all into account.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ti')
-rw-r--r--drivers/net/wireless/ti/wlcore/main.c10
-rw-r--r--drivers/net/wireless/ti/wlcore/tx.c10
2 files changed, 10 insertions, 10 deletions
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index d80d40cf7a22..8106c96fe6b7 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -345,12 +345,12 @@ static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl,
 	 * Start high-level PS if the STA is asleep with enough blocks in FW.
 	 * Make an exception if this is the only connected link. In this
 	 * case FW-memory congestion is less of a problem.
-	 * Note that a single connected STA means 3 active links, since we must
-	 * account for the global and broadcast AP links. The "fw_ps" check
-	 * assures us the third link is a STA connected to the AP. Otherwise
-	 * the FW would not set the PSM bit.
+	 * Note that a single connected STA means 2*ap_count + 1 active links,
+	 * since we must account for the global and broadcast AP links
+	 * for each AP. The "fw_ps" check assures us the other link is a STA
+	 * connected to the AP. Otherwise the FW would not set the PSM bit.
 	 */
-	else if (wl->active_link_count > 3 && fw_ps &&
+	else if (wl->active_link_count > (wl->ap_count*2 + 1) && fw_ps &&
 		 tx_pkts >= WL1271_PS_STA_MAX_PACKETS)
 		wl12xx_ps_link_start(wl, wlvif, hlid, true);
 }
diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c
index 38b31a0e9687..40b43115f835 100644
--- a/drivers/net/wireless/ti/wlcore/tx.c
+++ b/drivers/net/wireless/ti/wlcore/tx.c
@@ -134,12 +134,12 @@ static void wl1271_tx_regulate_link(struct wl1271 *wl,
 	 * into high-level PS and clean out its TX queues.
 	 * Make an exception if this is the only connected link. In this
 	 * case FW-memory congestion is less of a problem.
-	 * Note that a single connected STA means 3 active links, since we must
-	 * account for the global and broadcast AP links. The "fw_ps" check
-	 * assures us the third link is a STA connected to the AP. Otherwise
-	 * the FW would not set the PSM bit.
+	 * Note that a single connected STA means 2*ap_count + 1 active links,
+	 * since we must account for the global and broadcast AP links
+	 * for each AP. The "fw_ps" check assures us the other link is a STA
+	 * connected to the AP. Otherwise the FW would not set the PSM bit.
 	 */
-	if (wl->active_link_count > 3 && fw_ps &&
+	if (wl->active_link_count > (wl->ap_count*2 + 1) && fw_ps &&
 	    tx_pkts >= WL1271_PS_STA_MAX_PACKETS)
 		wl12xx_ps_link_start(wl, wlvif, hlid, true);
 }