From 6b21a2cd315e2e56a1748bd3ef9d910fe4f2e711 Mon Sep 17 00:00:00 2001 From: Juuso Oikarinen Date: Tue, 17 Nov 2009 18:48:30 +0200 Subject: [PATCH] wl1251: Configure beacon filtering on if PSM used Enable beacon filtering when PSM is enabled Signed-off-by: Juuso Oikarinen Signed-off-by: Kalle Valo Signed-off-by: John W. Linville --- drivers/net/wireless/wl12xx/wl1251_acx.c | 11 +++++++---- drivers/net/wireless/wl12xx/wl1251_acx.h | 7 ++++++- drivers/net/wireless/wl12xx/wl1251_init.c | 3 ++- drivers/net/wireless/wl12xx/wl1251_main.c | 3 ++- drivers/net/wireless/wl12xx/wl1251_ps.c | 10 ++++++++++ 5 files changed, 27 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.c b/drivers/net/wireless/wl12xx/wl1251_acx.c index 4a9c708..50633e0 100644 --- a/drivers/net/wireless/wl12xx/wl1251_acx.c +++ b/drivers/net/wireless/wl12xx/wl1251_acx.c @@ -494,7 +494,7 @@ out: return ret; } -int wl1251_acx_beacon_filter_opt(struct wl1251 *wl) +int wl1251_acx_beacon_filter_opt(struct wl1251 *wl, bool enable_filter) { struct acx_beacon_filter_option *beacon_filter; int ret; @@ -507,7 +507,7 @@ int wl1251_acx_beacon_filter_opt(struct wl1251 *wl) goto out; } - beacon_filter->enable = 0; + beacon_filter->enable = enable_filter; beacon_filter->max_num_beacons = 0; ret = wl1251_cmd_configure(wl, ACX_BEACON_FILTER_OPT, @@ -525,6 +525,7 @@ out: int wl1251_acx_beacon_filter_table(struct wl1251 *wl) { struct acx_beacon_filter_ie_table *ie_table; + int idx = 0; int ret; wl1251_debug(DEBUG_ACX, "acx beacon filter table"); @@ -535,8 +536,10 @@ int wl1251_acx_beacon_filter_table(struct wl1251 *wl) goto out; } - ie_table->num_ie = 0; - memset(ie_table->table, 0, BEACON_FILTER_TABLE_MAX_SIZE); + /* configure default beacon pass-through rules */ + ie_table->num_ie = 1; + ie_table->table[idx++] = BEACON_FILTER_IE_ID_CHANNEL_SWITCH_ANN; + ie_table->table[idx++] = BEACON_RULE_PASS_ON_APPEARANCE; ret = wl1251_cmd_configure(wl, ACX_BEACON_FILTER_TABLE, ie_table, sizeof(*ie_table)); diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.h b/drivers/net/wireless/wl12xx/wl1251_acx.h index 926789c..ce1c995 100644 --- a/drivers/net/wireless/wl12xx/wl1251_acx.h +++ b/drivers/net/wireless/wl12xx/wl1251_acx.h @@ -450,6 +450,11 @@ struct acx_beacon_filter_option { (BEACON_FILTER_TABLE_MAX_VENDOR_SPECIFIC_IE_NUM * \ BEACON_FILTER_TABLE_EXTRA_VENDOR_SPECIFIC_IE_SIZE)) +#define BEACON_RULE_PASS_ON_CHANGE BIT(0) +#define BEACON_RULE_PASS_ON_APPEARANCE BIT(1) + +#define BEACON_FILTER_IE_ID_CHANNEL_SWITCH_ANN (37) + struct acx_beacon_filter_ie_table { struct acx_header header; @@ -1283,7 +1288,7 @@ int wl1251_acx_slot(struct wl1251 *wl, enum acx_slot_type slot_time); int wl1251_acx_group_address_tbl(struct wl1251 *wl); int wl1251_acx_service_period_timeout(struct wl1251 *wl); int wl1251_acx_rts_threshold(struct wl1251 *wl, u16 rts_threshold); -int wl1251_acx_beacon_filter_opt(struct wl1251 *wl); +int wl1251_acx_beacon_filter_opt(struct wl1251 *wl, bool enable_filter); int wl1251_acx_beacon_filter_table(struct wl1251 *wl); int wl1251_acx_conn_monit_params(struct wl1251 *wl); int wl1251_acx_sg_enable(struct wl1251 *wl); diff --git a/drivers/net/wireless/wl12xx/wl1251_init.c b/drivers/net/wireless/wl12xx/wl1251_init.c index 035ab11..5cb5733 100644 --- a/drivers/net/wireless/wl12xx/wl1251_init.c +++ b/drivers/net/wireless/wl12xx/wl1251_init.c @@ -147,7 +147,8 @@ int wl1251_hw_init_beacon_filter(struct wl1251 *wl) { int ret; - ret = wl1251_acx_beacon_filter_opt(wl); + /* disable beacon filtering at this stage */ + ret = wl1251_acx_beacon_filter_opt(wl, false); if (ret < 0) return ret; diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c index 601c430..900e6e2 100644 --- a/drivers/net/wireless/wl12xx/wl1251_main.c +++ b/drivers/net/wireless/wl12xx/wl1251_main.c @@ -1323,7 +1323,8 @@ int wl1251_init_ieee80211(struct wl1251 *wl) wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM | - IEEE80211_HW_SUPPORTS_PS; + IEEE80211_HW_SUPPORTS_PS | + IEEE80211_HW_BEACON_FILTER; wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); wl->hw->wiphy->max_scan_ssids = 1; diff --git a/drivers/net/wireless/wl12xx/wl1251_ps.c b/drivers/net/wireless/wl12xx/wl1251_ps.c index c53e287..c3e348a 100644 --- a/drivers/net/wireless/wl12xx/wl1251_ps.c +++ b/drivers/net/wireless/wl12xx/wl1251_ps.c @@ -119,6 +119,11 @@ int wl1251_ps_set_mode(struct wl1251 *wl, enum wl1251_cmd_ps_mode mode) case STATION_POWER_SAVE_MODE: wl1251_debug(DEBUG_PSM, "entering psm"); + /* enable beacon filtering */ + ret = wl1251_acx_beacon_filter_opt(wl, true); + if (ret < 0) + return ret; + ret = wl1251_acx_wake_up_conditions(wl, WAKE_UP_EVENT_DTIM_BITMAP, wl->listen_int); @@ -142,6 +147,11 @@ int wl1251_ps_set_mode(struct wl1251 *wl, enum wl1251_cmd_ps_mode mode) if (ret < 0) return ret; + /* disable beacon filtering */ + ret = wl1251_acx_beacon_filter_opt(wl, false); + if (ret < 0) + return ret; + ret = wl1251_acx_wake_up_conditions(wl, WAKE_UP_EVENT_DTIM_BITMAP, wl->listen_int); -- 2.7.4