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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 <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Eliad Peller 2014-02-10 13:47:33 +02:00 committed by John W. Linville
parent 5b07d97a38
commit d881fa2c50
3 changed files with 16 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/wireless/ti/wlcore/acx.c
View File

@ -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)

4
drivers/net/wireless/ti/wlcore/init.c
View File

@ -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;

12
drivers/net/wireless/ti/wlcore/main.c
View File

@ -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;