From 8f8ff91652fcf62b9fced5387956b4b269fde634 Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Tue, 12 Jan 2010 10:43:07 +0200 Subject: [PATCH] wl1251: create qos null data template The qos null data template is needed for U-APSD. Signed-off-by: Kalle Valo Signed-off-by: John W. Linville --- drivers/net/wireless/wl12xx/wl1251_main.c | 25 +++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c index f17ce06b6c24..d469d3dcd054 100644 --- a/drivers/net/wireless/wl12xx/wl1251_main.c +++ b/drivers/net/wireless/wl12xx/wl1251_main.c @@ -563,6 +563,27 @@ static void wl1251_op_remove_interface(struct ieee80211_hw *hw, mutex_unlock(&wl->mutex); } +static int wl1251_build_qos_null_data(struct wl1251 *wl) +{ + struct ieee80211_qos_hdr template; + + memset(&template, 0, sizeof(template)); + + memcpy(template.addr1, wl->bssid, ETH_ALEN); + memcpy(template.addr2, wl->mac_addr, ETH_ALEN); + memcpy(template.addr3, wl->bssid, ETH_ALEN); + + template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | + IEEE80211_STYPE_QOS_NULLFUNC | + IEEE80211_FCTL_TODS); + + /* FIXME: not sure what priority to use here */ + template.qos_ctrl = cpu_to_le16(0); + + return wl1251_cmd_template_set(wl, CMD_QOS_NULL_DATA, &template, + sizeof(template)); +} + static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) { struct wl1251 *wl = hw->priv; @@ -948,6 +969,10 @@ static void wl1251_op_bss_info_changed(struct ieee80211_hw *hw, if (ret < 0) goto out_sleep; + ret = wl1251_build_qos_null_data(wl); + if (ret < 0) + goto out; + if (wl->bss_type != BSS_TYPE_IBSS) { ret = wl1251_join(wl, wl->bss_type, wl->channel, wl->beacon_int, wl->dtim_period);