From: Eliad Peller Date: Mon, 10 Feb 2014 11:47:30 +0000 (+0200) Subject: wlcore: consider multiple APs when checking active_link_count X-Git-Tag: v3.15-rc1~113^2~18^2^2~283 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=41ed1a787c4940d58d5870c633ab6291dd4679dd;p=platform%2Fkernel%2Flinux-exynos.git 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 Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index d80d40c..8106c96 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 38b31a0..40b4311 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); }