From d881fa2c5032918e2b03ce6e12a5886f08acb459 Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Mon, 10 Feb 2014 13:47:33 +0200 Subject: [PATCH] wlcore: enable beacon filtering only after receiving a beacon Enabling beacon filtering before receving a beacon might result in not having a beacon at all for the current connected AP, which prevents the station from entering power-save. Replace the current approach (of starting beacon filtering on init) and configure beacon filering only after bss_conf->dtimper is set (which means mac80211 already parsed a beacon). Signed-off-by: Eliad Peller Signed-off-by: John W. Linville --- drivers/net/wireless/ti/wlcore/acx.c | 3 ++- drivers/net/wireless/ti/wlcore/init.c | 4 ++-- drivers/net/wireless/ti/wlcore/main.c | 12 ++++++++++++ 3 files changed, 16 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/acx.c b/drivers/net/wireless/ti/wlcore/acx.c index 71b244b..b924cea 100644 --- a/drivers/net/wireless/ti/wlcore/acx.c +++ b/drivers/net/wireless/ti/wlcore/acx.c @@ -358,7 +358,8 @@ int wl1271_acx_beacon_filter_opt(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct acx_beacon_filter_option *beacon_filter = NULL; int ret = 0; - wl1271_debug(DEBUG_ACX, "acx beacon filter opt"); + wl1271_debug(DEBUG_ACX, "acx beacon filter opt enable=%d", + enable_filter); if (enable_filter && wl->conf.conn.bcn_filt_mode == CONF_BCN_FILT_MODE_DISABLED) diff --git a/drivers/net/wireless/ti/wlcore/init.c b/drivers/net/wireless/ti/wlcore/init.c index b376c99..199e941 100644 --- a/drivers/net/wireless/ti/wlcore/init.c +++ b/drivers/net/wireless/ti/wlcore/init.c @@ -287,8 +287,8 @@ static int wl1271_init_sta_beacon_filter(struct wl1271 *wl, if (ret < 0) return ret; - /* enable beacon filtering */ - ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true); + /* disable beacon filtering until we get the first beacon */ + ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); if (ret < 0) return ret; diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index a2348b9..82d5461 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -2941,6 +2941,11 @@ static int wlcore_unset_assoc(struct wl1271 *wl, struct wl12xx_vif *wlvif) ret = wl1271_acx_keep_alive_mode(wl, wlvif, false); if (ret < 0) return ret; + + /* disable beacon filtering */ + ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); + if (ret < 0) + return ret; } if (test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS, &wlvif->flags)) { @@ -4312,6 +4317,13 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, } } + if ((changed & BSS_CHANGED_BEACON_INFO) && bss_conf->dtim_period) { + /* enable beacon filtering */ + ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true); + if (ret < 0) + goto out; + } + ret = wl1271_bss_erp_info_changed(wl, vif, bss_conf, changed); if (ret < 0) goto out; -- 2.7.4