X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fstaging%2Fmkresin.git;a=blobdiff_plain;f=package%2Fmac80211%2Fpatches%2F300-pending_work.patch;h=64067f2d48311cbecdb3e01b4221583bd88f2c1a;hp=15e6bd0dca7cee3c9079a200450c4f1600d941b9;hb=a7db0ceda4567732941b953b615bf09d2700f169;hpb=c7cdee0230c999197b017fb4aadd49f5eb7dc0b8 diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index 15e6bd0dca..64067f2d48 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -1,93 +1,1978 @@ ---- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c -+++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c -@@ -829,7 +829,7 @@ static bool ar9002_hw_init_cal(struct at - if (AR_SREV_9271(ah)) { - if (!ar9285_hw_cl_cal(ah, chan)) - return false; -- } else if (AR_SREV_9285_12_OR_LATER(ah)) { -+ } else if (AR_SREV_9285(ah) && AR_SREV_9285_12_OR_LATER(ah)) { - if (!ar9285_hw_clc(ah, chan)) - return false; - } else { ---- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c -+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c -@@ -1381,3 +1381,25 @@ void ar9003_hw_bb_watchdog_dbg_info(stru - "==== BB update: done ====\n\n"); - } - EXPORT_SYMBOL(ar9003_hw_bb_watchdog_dbg_info); +--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c ++++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c +@@ -326,7 +326,6 @@ static bool ar9003_hw_get_isr(struct ath + static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds, + struct ath_tx_status *ts) + { +- struct ar9003_txc *txc = (struct ar9003_txc *) ds; + struct ar9003_txs *ads; + u32 status; + +@@ -336,11 +335,7 @@ static int ar9003_hw_proc_txdesc(struct + if ((status & AR_TxDone) == 0) + return -EINPROGRESS; + +- ts->qid = MS(ads->ds_info, AR_TxQcuNum); +- if (!txc || (MS(txc->info, AR_TxQcuNum) == ts->qid)) +- ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size; +- else +- return -ENOENT; ++ ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size; + + if ((MS(ads->ds_info, AR_DescId) != ATHEROS_VENDOR_ID) || + (MS(ads->ds_info, AR_TxRxDesc) != 1)) { +@@ -354,6 +349,7 @@ static int ar9003_hw_proc_txdesc(struct + ts->ts_seqnum = MS(status, AR_SeqNum); + ts->tid = MS(status, AR_TxTid); + ++ ts->qid = MS(ads->ds_info, AR_TxQcuNum); + ts->desc_id = MS(ads->status1, AR_TxDescId); + ts->ts_tstamp = ads->status4; + ts->ts_status = 0; +@@ -440,20 +436,14 @@ int ath9k_hw_process_rxdesc_edma(struct + struct ar9003_rxs *rxsp = (struct ar9003_rxs *) buf_addr; + unsigned int phyerr; + +- /* TODO: byte swap on big endian for ar9300_10 */ +- +- if (!rxs) { +- if ((rxsp->status11 & AR_RxDone) == 0) +- return -EINPROGRESS; +- +- if (MS(rxsp->ds_info, AR_DescId) != 0x168c) +- return -EINVAL; ++ if ((rxsp->status11 & AR_RxDone) == 0) ++ return -EINPROGRESS; + +- if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0) +- return -EINPROGRESS; ++ if (MS(rxsp->ds_info, AR_DescId) != 0x168c) ++ return -EINVAL; + +- return 0; +- } ++ if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0) ++ return -EINPROGRESS; + + rxs->rs_status = 0; + rxs->rs_flags = 0; +@@ -510,7 +500,11 @@ int ath9k_hw_process_rxdesc_edma(struct + */ + if (rxsp->status11 & AR_CRCErr) + rxs->rs_status |= ATH9K_RXERR_CRC; +- else if (rxsp->status11 & AR_PHYErr) { ++ else if (rxsp->status11 & AR_DecryptCRCErr) ++ rxs->rs_status |= ATH9K_RXERR_DECRYPT; ++ else if (rxsp->status11 & AR_MichaelErr) ++ rxs->rs_status |= ATH9K_RXERR_MIC; ++ if (rxsp->status11 & AR_PHYErr) { + phyerr = MS(rxsp->status11, AR_PHYErrCode); + /* + * If we reach a point here where AR_PostDelimCRCErr is +@@ -532,11 +526,7 @@ int ath9k_hw_process_rxdesc_edma(struct + rxs->rs_status |= ATH9K_RXERR_PHY; + rxs->rs_phyerr = phyerr; + } +- +- } else if (rxsp->status11 & AR_DecryptCRCErr) +- rxs->rs_status |= ATH9K_RXERR_DECRYPT; +- else if (rxsp->status11 & AR_MichaelErr) +- rxs->rs_status |= ATH9K_RXERR_MIC; ++ }; + } + + if (rxsp->status11 & AR_KeyMiss) +--- a/drivers/net/wireless/ath/carl9170/tx.c ++++ b/drivers/net/wireless/ath/carl9170/tx.c +@@ -1236,6 +1236,7 @@ static bool carl9170_tx_ps_drop(struct a + { + struct ieee80211_sta *sta; + struct carl9170_sta_info *sta_info; ++ struct ieee80211_tx_info *tx_info; + + rcu_read_lock(); + sta = __carl9170_get_tx_sta(ar, skb); +@@ -1243,12 +1244,13 @@ static bool carl9170_tx_ps_drop(struct a + goto out_rcu; + + sta_info = (void *) sta->drv_priv; +- if (unlikely(sta_info->sleeping)) { +- struct ieee80211_tx_info *tx_info; ++ tx_info = IEEE80211_SKB_CB(skb); + ++ if (unlikely(sta_info->sleeping) && ++ !(tx_info->flags & (IEEE80211_TX_CTL_NO_PS_BUFFER | ++ IEEE80211_TX_CTL_CLEAR_PS_FILT))) { + rcu_read_unlock(); + +- tx_info = IEEE80211_SKB_CB(skb); + if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) + atomic_dec(&ar->tx_ampdu_upload); + +--- a/drivers/net/wireless/iwlegacy/4965-mac.c ++++ b/drivers/net/wireless/iwlegacy/4965-mac.c +@@ -1694,7 +1694,7 @@ il4965_tx_skb(struct il_priv *il, struct + sta_priv = (void *)sta->drv_priv; + + if (sta_priv && sta_priv->asleep && +- (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)) { ++ (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)) { + /* + * This sends an asynchronous command to the device, + * but we can rely on it being processed before the +--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c ++++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c +@@ -322,7 +322,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, + sta_priv = (void *)info->control.sta->drv_priv; + + if (sta_priv && sta_priv->asleep && +- (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)) { ++ (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)) { + /* + * This sends an asynchronous command to the device, + * but we can rely on it being processed before the +@@ -331,6 +331,10 @@ int iwlagn_tx_skb(struct iwl_priv *priv, + * counter. + * For now set the counter to just 1 since we do not + * support uAPSD yet. ++ * ++ * FIXME: If we get two non-bufferable frames one ++ * after the other, we might only send out one of ++ * them because this is racy. + */ + iwl_sta_modify_sleep_tx_count(priv, sta_id, 1); + } +--- a/drivers/net/wireless/p54/txrx.c ++++ b/drivers/net/wireless/p54/txrx.c +@@ -690,7 +690,7 @@ static void p54_tx_80211_header(struct p + if (!(info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)) + *flags |= P54_HDR_FLAG_DATA_OUT_SEQNR; + +- if (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE) ++ if (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER) + *flags |= P54_HDR_FLAG_DATA_OUT_NOCANCEL; + + if (info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT) +--- a/include/net/mac80211.h ++++ b/include/net/mac80211.h +@@ -341,9 +341,9 @@ struct ieee80211_bss_conf { + * used to indicate that a frame was already retried due to PS + * @IEEE80211_TX_INTFL_DONT_ENCRYPT: completely internal to mac80211, + * used to indicate frame should not be encrypted +- * @IEEE80211_TX_CTL_POLL_RESPONSE: This frame is a response to a poll +- * frame (PS-Poll or uAPSD) and should be sent although the station +- * is in powersave mode. ++ * @IEEE80211_TX_CTL_NO_PS_BUFFER: This frame is a response to a poll ++ * frame (PS-Poll or uAPSD) or a non-bufferable MMPDU and must ++ * be sent although the station is in powersave mode. + * @IEEE80211_TX_CTL_MORE_FRAMES: More frames will be passed to the + * transmit function after the current frame, this can be used + * by drivers to kick the DMA queue only if unset or when the +@@ -399,7 +399,7 @@ enum mac80211_tx_control_flags { + IEEE80211_TX_INTFL_NEED_TXPROCESSING = BIT(14), + IEEE80211_TX_INTFL_RETRIED = BIT(15), + IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(16), +- IEEE80211_TX_CTL_POLL_RESPONSE = BIT(17), ++ IEEE80211_TX_CTL_NO_PS_BUFFER = BIT(17), + IEEE80211_TX_CTL_MORE_FRAMES = BIT(18), + IEEE80211_TX_INTFL_RETRANSMISSION = BIT(19), + /* hole at 20, use later */ +@@ -425,7 +425,7 @@ enum mac80211_tx_control_flags { + IEEE80211_TX_CTL_SEND_AFTER_DTIM | IEEE80211_TX_CTL_AMPDU | \ + IEEE80211_TX_STAT_TX_FILTERED | IEEE80211_TX_STAT_ACK | \ + IEEE80211_TX_STAT_AMPDU | IEEE80211_TX_STAT_AMPDU_NO_BACK | \ +- IEEE80211_TX_CTL_RATE_CTRL_PROBE | IEEE80211_TX_CTL_POLL_RESPONSE | \ ++ IEEE80211_TX_CTL_RATE_CTRL_PROBE | IEEE80211_TX_CTL_NO_PS_BUFFER | \ + IEEE80211_TX_CTL_MORE_FRAMES | IEEE80211_TX_CTL_LDPC | \ + IEEE80211_TX_CTL_STBC | IEEE80211_TX_STATUS_EOSP) + +@@ -659,6 +659,8 @@ ieee80211_tx_info_clear_status(struct ie + * @RX_FLAG_HT: HT MCS was used and rate_idx is MCS index + * @RX_FLAG_40MHZ: HT40 (40 MHz) was used + * @RX_FLAG_SHORT_GI: Short guard interval was used ++ * @RX_FLAG_NO_SIGNAL_VAL: The signal strength value is not present. ++ * Valid only for data frames (mainly A-MPDU) + */ + enum mac80211_rx_flags { + RX_FLAG_MMIC_ERROR = 1<<0, +@@ -672,6 +674,7 @@ enum mac80211_rx_flags { + RX_FLAG_HT = 1<<9, + RX_FLAG_40MHZ = 1<<10, + RX_FLAG_SHORT_GI = 1<<11, ++ RX_FLAG_NO_SIGNAL_VAL = 1<<12, + }; + + /** +@@ -1634,7 +1637,7 @@ void ieee80211_free_txskb(struct ieee802 + * the station sends a PS-Poll or a uAPSD trigger frame, mac80211 + * will inform the driver of this with the @allow_buffered_frames + * callback; this callback is optional. mac80211 will then transmit +- * the frames as usual and set the %IEEE80211_TX_CTL_POLL_RESPONSE ++ * the frames as usual and set the %IEEE80211_TX_CTL_NO_PS_BUFFER + * on each frame. The last frame in the service period (or the only + * response to a PS-Poll) also has %IEEE80211_TX_STATUS_EOSP set to + * indicate that it ends the service period; as this frame must have +@@ -1642,6 +1645,9 @@ void ieee80211_free_txskb(struct ieee802 + * When TX status is reported for this frame, the service period is + * marked has having ended and a new one can be started by the peer. + * ++ * Additionally, non-bufferable MMPDUs can also be transmitted by ++ * mac80211 with the %IEEE80211_TX_CTL_NO_PS_BUFFER set in them. ++ * + * Another race condition can happen on some devices like iwlwifi + * when there are frames queued for the station and it wakes up + * or polls; the frames that are already queued could end up being +@@ -2140,7 +2146,7 @@ enum ieee80211_frame_release_type { + * @allow_buffered_frames: Prepare device to allow the given number of frames + * to go out to the given station. The frames will be sent by mac80211 + * via the usual TX path after this call. The TX information for frames +- * released will also have the %IEEE80211_TX_CTL_POLL_RESPONSE flag set ++ * released will also have the %IEEE80211_TX_CTL_NO_PS_BUFFER flag set + * and the last one will also have %IEEE80211_TX_STATUS_EOSP set. In case + * frames from multiple TIDs are released and the driver might reorder + * them between the TIDs, it must set the %IEEE80211_TX_STATUS_EOSP flag +--- a/net/mac80211/agg-rx.c ++++ b/net/mac80211/agg-rx.c +@@ -187,6 +187,8 @@ static void ieee80211_send_addba_resp(st + memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); + else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) + memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); ++ else if (sdata->vif.type == NL80211_IFTYPE_WDS) ++ memcpy(mgmt->bssid, da, ETH_ALEN); + + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ACTION); +--- a/net/mac80211/agg-tx.c ++++ b/net/mac80211/agg-tx.c +@@ -81,7 +81,8 @@ static void ieee80211_send_addba_request + memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); + if (sdata->vif.type == NL80211_IFTYPE_AP || + sdata->vif.type == NL80211_IFTYPE_AP_VLAN || +- sdata->vif.type == NL80211_IFTYPE_MESH_POINT) ++ sdata->vif.type == NL80211_IFTYPE_MESH_POINT || ++ sdata->vif.type == NL80211_IFTYPE_WDS) + memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN); + else if (sdata->vif.type == NL80211_IFTYPE_STATION) + memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); +@@ -471,6 +472,7 @@ int ieee80211_start_tx_ba_session(struct + sdata->vif.type != NL80211_IFTYPE_MESH_POINT && + sdata->vif.type != NL80211_IFTYPE_AP_VLAN && + sdata->vif.type != NL80211_IFTYPE_AP && ++ sdata->vif.type != NL80211_IFTYPE_WDS && + sdata->vif.type != NL80211_IFTYPE_ADHOC) + return -EINVAL; + +--- a/net/mac80211/debugfs_sta.c ++++ b/net/mac80211/debugfs_sta.c +@@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil + test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : "" + + int res = scnprintf(buf, sizeof(buf), +- "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", ++ "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", + TEST(AUTH), TEST(ASSOC), TEST(PS_STA), + TEST(PS_DRIVER), TEST(AUTHORIZED), + TEST(SHORT_PREAMBLE), +- TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT), ++ TEST(WME), TEST(CLEAR_PS_FILT), + TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL), + TEST(UAPSD), TEST(SP), TEST(TDLS_PEER), + TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT), +--- a/net/mac80211/iface.c ++++ b/net/mac80211/iface.c +@@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_ + { + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; +- struct sta_info *sta; + u32 changed = 0; + int res; + u32 hw_reconf_flags = 0; +@@ -309,28 +308,6 @@ static int ieee80211_do_open(struct net_ + + set_bit(SDATA_STATE_RUNNING, &sdata->state); + +- if (sdata->vif.type == NL80211_IFTYPE_WDS) { +- /* Create STA entry for the WDS peer */ +- sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr, +- GFP_KERNEL); +- if (!sta) { +- res = -ENOMEM; +- goto err_del_interface; +- } +- +- sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); +- sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); +- sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED); +- +- res = sta_info_insert(sta); +- if (res) { +- /* STA has been freed */ +- goto err_del_interface; +- } +- +- rate_control_rate_init(sta); +- } +- + /* + * set_multicast_list will be invoked by the networking core + * which will check whether any increments here were done in +@@ -357,8 +334,7 @@ static int ieee80211_do_open(struct net_ + netif_tx_start_all_queues(dev); + + return 0; +- err_del_interface: +- drv_remove_interface(local, sdata); + -+void ar9003_hw_disable_phy_restart(struct ath_hw *ah) + err_stop: + if (!local->open_count) + drv_stop(local); +@@ -722,6 +698,70 @@ static void ieee80211_if_setup(struct ne + dev->destructor = free_netdev; + } + ++static void ieee80211_wds_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, ++ struct sk_buff *skb) +{ -+ u32 val; ++ struct ieee80211_local *local = sdata->local; ++ struct ieee80211_rx_status *rx_status; ++ struct ieee802_11_elems elems; ++ struct ieee80211_mgmt *mgmt; ++ struct sta_info *sta; ++ size_t baselen; ++ u32 rates = 0; ++ u16 stype; ++ bool new = false; ++ enum ieee80211_band band = local->hw.conf.channel->band; ++ struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band]; + -+ /* While receiving unsupported rate frame rx state machine -+ * gets into a state 0xb and if phy_restart happens in that -+ * state, BB would go hang. If RXSM is in 0xb state after -+ * first bb panic, ensure to disable the phy_restart. -+ */ -+ if (!((MS(ah->bb_watchdog_last_status, -+ AR_PHY_WATCHDOG_RX_OFDM_SM) == 0xb) || -+ ah->bb_hang_rx_ofdm)) ++ rx_status = IEEE80211_SKB_RXCB(skb); ++ mgmt = (struct ieee80211_mgmt *) skb->data; ++ stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE; ++ ++ if (stype != IEEE80211_STYPE_BEACON) + return; + -+ ah->bb_hang_rx_ofdm = true; -+ val = REG_READ(ah, AR_PHY_RESTART); -+ val &= ~AR_PHY_RESTART_ENA; ++ baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt; ++ if (baselen > skb->len) ++ return; ++ ++ ieee802_11_parse_elems(mgmt->u.probe_resp.variable, ++ skb->len - baselen, &elems); ++ ++ rates = ieee80211_sta_get_rates(local, &elems, band); ++ ++ rcu_read_lock(); ++ ++ sta = sta_info_get(sdata, sdata->u.wds.remote_addr); ++ ++ if (!sta) { ++ rcu_read_unlock(); ++ sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr, ++ GFP_KERNEL); ++ if (!sta) ++ return; ++ ++ new = true; ++ } + -+ REG_WRITE(ah, AR_PHY_RESTART, val); ++ sta->last_rx = jiffies; ++ sta->sta.supp_rates[local->hw.conf.channel->band] = rates; ++ ++ if (elems.ht_cap_elem) ++ ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, ++ elems.ht_cap_elem, &sta->sta.ht_cap); ++ ++ if (elems.wmm_param) ++ set_sta_flag(sta, WLAN_STA_WME); ++ ++ if (new) { ++ set_sta_flag(sta, WLAN_STA_AUTHORIZED); ++ rate_control_rate_init(sta); ++ sta_info_insert_rcu(sta); ++ } ++ ++ rcu_read_unlock(); +} -+EXPORT_SYMBOL(ar9003_hw_disable_phy_restart); ++ + static void ieee80211_iface_work(struct work_struct *work) + { + struct ieee80211_sub_if_data *sdata = +@@ -826,6 +866,9 @@ static void ieee80211_iface_work(struct + break; + ieee80211_mesh_rx_queued_mgmt(sdata, skb); + break; ++ case NL80211_IFTYPE_WDS: ++ ieee80211_wds_rx_queued_mgmt(sdata, skb); ++ break; + default: + WARN(1, "frame for unexpected interface type"); + break; +--- a/net/mac80211/rx.c ++++ b/net/mac80211/rx.c +@@ -177,7 +177,8 @@ ieee80211_add_rx_radiotap_header(struct + pos += 2; + + /* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */ +- if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) { ++ if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM && ++ !(status->flag & RX_FLAG_NO_SIGNAL_VAL)) { + *pos = status->signal; + rthdr->it_present |= + cpu_to_le32(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL); +@@ -489,12 +490,12 @@ ieee80211_rx_mesh_check(struct ieee80211 + if (ieee80211_has_tods(hdr->frame_control) || + !ieee80211_has_fromds(hdr->frame_control)) + return RX_DROP_MONITOR; +- if (memcmp(hdr->addr3, dev_addr, ETH_ALEN) == 0) ++ if (compare_ether_addr(hdr->addr3, dev_addr) == 0) + return RX_DROP_MONITOR; + } else { + if (!ieee80211_has_a4(hdr->frame_control)) + return RX_DROP_MONITOR; +- if (memcmp(hdr->addr4, dev_addr, ETH_ALEN) == 0) ++ if (compare_ether_addr(hdr->addr4, dev_addr) == 0) + return RX_DROP_MONITOR; + } + } +@@ -1309,8 +1310,10 @@ ieee80211_rx_h_sta_process(struct ieee80 + + sta->rx_fragments++; + sta->rx_bytes += rx->skb->len; +- sta->last_signal = status->signal; +- ewma_add(&sta->avg_signal, -status->signal); ++ if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) { ++ sta->last_signal = status->signal; ++ ewma_add(&sta->avg_signal, -status->signal); ++ } + + /* + * Change STA power saving mode only at the end of a frame +@@ -2282,6 +2285,7 @@ ieee80211_rx_h_action(struct ieee80211_r + sdata->vif.type != NL80211_IFTYPE_MESH_POINT && + sdata->vif.type != NL80211_IFTYPE_AP_VLAN && + sdata->vif.type != NL80211_IFTYPE_AP && ++ sdata->vif.type != NL80211_IFTYPE_WDS && + sdata->vif.type != NL80211_IFTYPE_ADHOC) + break; + +@@ -2336,7 +2340,7 @@ ieee80211_rx_h_action(struct ieee80211_r + if (sdata->vif.type != NL80211_IFTYPE_STATION) + break; + +- if (memcmp(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN)) ++ if (compare_ether_addr(mgmt->bssid, sdata->u.mgd.bssid)) + break; + + goto queue; +@@ -2492,14 +2496,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_ + + if (!ieee80211_vif_is_mesh(&sdata->vif) && + sdata->vif.type != NL80211_IFTYPE_ADHOC && +- sdata->vif.type != NL80211_IFTYPE_STATION) ++ sdata->vif.type != NL80211_IFTYPE_STATION && ++ sdata->vif.type != NL80211_IFTYPE_WDS) + return RX_DROP_MONITOR; + + switch (stype) { + case cpu_to_le16(IEEE80211_STYPE_AUTH): + case cpu_to_le16(IEEE80211_STYPE_BEACON): + case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP): +- /* process for all: mesh, mlme, ibss */ ++ /* process for all: mesh, mlme, ibss, wds */ + break; + case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP): + case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP): +@@ -2853,10 +2858,16 @@ static int prepare_for_handlers(struct i + } + break; + case NL80211_IFTYPE_WDS: +- if (bssid || !ieee80211_is_data(hdr->frame_control)) +- return 0; + if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2)) + return 0; ++ ++ if (ieee80211_is_data(hdr->frame_control) || ++ ieee80211_is_action(hdr->frame_control)) { ++ if (compare_ether_addr(sdata->vif.addr, hdr->addr1)) ++ return 0; ++ } else if (!ieee80211_is_beacon(hdr->frame_control)) ++ return 0; ++ + break; + default: + /* should never get here */ +--- a/net/mac80211/sta_info.c ++++ b/net/mac80211/sta_info.c +@@ -9,6 +9,7 @@ + + #include + #include ++#include + #include + #include + #include +@@ -101,7 +102,7 @@ struct sta_info *sta_info_get(struct iee + lockdep_is_held(&local->sta_mtx)); + while (sta) { + if (sta->sdata == sdata && +- memcmp(sta->sta.addr, addr, ETH_ALEN) == 0) ++ compare_ether_addr(sta->sta.addr, addr) == 0) + break; + sta = rcu_dereference_check(sta->hnext, + lockdep_is_held(&local->sta_mtx)); +@@ -124,7 +125,7 @@ struct sta_info *sta_info_get_bss(struct + while (sta) { + if ((sta->sdata == sdata || + (sta->sdata->bss && sta->sdata->bss == sdata->bss)) && +- memcmp(sta->sta.addr, addr, ETH_ALEN) == 0) ++ compare_ether_addr(sta->sta.addr, addr) == 0) + break; + sta = rcu_dereference_check(sta->hnext, + lockdep_is_held(&local->sta_mtx)); +@@ -1050,7 +1051,7 @@ static void ieee80211_send_null_response + * exchange. Also set EOSP to indicate this packet + * ends the poll/service period. + */ +- info->flags |= IEEE80211_TX_CTL_POLL_RESPONSE | ++ info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER | + IEEE80211_TX_STATUS_EOSP | + IEEE80211_TX_CTL_REQ_TX_STATUS; + +@@ -1177,7 +1178,7 @@ ieee80211_sta_ps_deliver_response(struct + * STA may still remain is PS mode after this frame + * exchange. + */ +- info->flags |= IEEE80211_TX_CTL_POLL_RESPONSE; ++ info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER; + + /* + * Use MoreData flag to indicate whether there are +--- a/net/mac80211/sta_info.h ++++ b/net/mac80211/sta_info.h +@@ -14,6 +14,7 @@ + #include + #include + #include ++#include + #include "key.h" + + /** +@@ -31,7 +32,6 @@ + * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble + * frames. + * @WLAN_STA_WME: Station is a QoS-STA. +- * @WLAN_STA_WDS: Station is one of our WDS peers. + * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the + * IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next + * frame to this station is transmitted. +@@ -62,7 +62,6 @@ enum ieee80211_sta_info_flags { + WLAN_STA_AUTHORIZED, + WLAN_STA_SHORT_PREAMBLE, + WLAN_STA_WME, +- WLAN_STA_WDS, + WLAN_STA_CLEAR_PS_FILT, + WLAN_STA_MFP, + WLAN_STA_BLOCK_BA, +@@ -489,7 +488,7 @@ void for_each_sta_info_type_check(struct + nxt = _sta ? rcu_dereference(_sta->hnext) : NULL \ + ) \ + /* compare address and run code only if it matches */ \ +- if (memcmp(_sta->sta.addr, (_addr), ETH_ALEN) == 0) ++ if (compare_ether_addr(_sta->sta.addr, (_addr)) == 0) + + /* + * Get STA info by index, BROKEN! +--- a/net/mac80211/tx.c ++++ b/net/mac80211/tx.c +@@ -448,18 +448,23 @@ ieee80211_tx_h_unicast_ps_buf(struct iee + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; + struct ieee80211_local *local = tx->local; + +- if (unlikely(!sta || +- ieee80211_is_probe_resp(hdr->frame_control) || +- ieee80211_is_auth(hdr->frame_control) || +- ieee80211_is_assoc_resp(hdr->frame_control) || +- ieee80211_is_reassoc_resp(hdr->frame_control))) ++ if (unlikely(!sta)) + return TX_CONTINUE; + + if (unlikely((test_sta_flag(sta, WLAN_STA_PS_STA) || + test_sta_flag(sta, WLAN_STA_PS_DRIVER)) && +- !(info->flags & IEEE80211_TX_CTL_POLL_RESPONSE))) { ++ !(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER))) { + int ac = skb_get_queue_mapping(tx->skb); + ++ /* only deauth, disassoc and action are bufferable MMPDUs */ ++ if (ieee80211_is_mgmt(hdr->frame_control) && ++ !ieee80211_is_deauth(hdr->frame_control) && ++ !ieee80211_is_disassoc(hdr->frame_control) && ++ !ieee80211_is_action(hdr->frame_control)) { ++ info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER; ++ return TX_CONTINUE; ++ } ++ + #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG + printk(KERN_DEBUG "STA %pM aid %d: PS buffer for AC %d\n", + sta->sta.addr, sta->sta.aid, ac); +@@ -1060,6 +1065,7 @@ static bool ieee80211_tx_prep_agg(struct + { + bool queued = false; + bool reset_agg_timer = false; ++ struct sk_buff *purge_skb = NULL; + + if (test_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state)) { + info->flags |= IEEE80211_TX_CTL_AMPDU; +@@ -1101,8 +1107,13 @@ static bool ieee80211_tx_prep_agg(struct + info->control.vif = &tx->sdata->vif; + info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; + __skb_queue_tail(&tid_tx->pending, skb); ++ if (skb_queue_len(&tid_tx->pending) > STA_MAX_TX_BUFFER) ++ purge_skb = __skb_dequeue(&tid_tx->pending); + } + spin_unlock(&tx->sta->lock); ++ ++ if (purge_skb) ++ dev_kfree_skb(purge_skb); + } + + /* reset session timer */ +--- a/net/mac80211/ieee80211_i.h ++++ b/net/mac80211/ieee80211_i.h +@@ -480,7 +480,7 @@ struct ieee80211_if_ibss { + + bool control_port; + +- u8 bssid[ETH_ALEN]; ++ u8 bssid[ETH_ALEN] __aligned(2); + u8 ssid[IEEE80211_MAX_SSID_LEN]; + u8 ssid_len, ie_len; + u8 *ie; +--- a/net/mac80211/ibss.c ++++ b/net/mac80211/ibss.c +@@ -66,7 +66,7 @@ static void __ieee80211_sta_join_ibss(st + skb_reset_tail_pointer(skb); + skb_reserve(skb, sdata->local->hw.extra_tx_headroom); + +- if (memcmp(ifibss->bssid, bssid, ETH_ALEN)) ++ if (compare_ether_addr(ifibss->bssid, bssid)) + sta_info_flush(sdata->local, sdata); + + /* if merging, indicate to driver that we leave the old IBSS */ +@@ -403,7 +403,7 @@ static void ieee80211_rx_bss_info(struct + return; + + if (sdata->vif.type == NL80211_IFTYPE_ADHOC && +- memcmp(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN) == 0) { ++ compare_ether_addr(mgmt->bssid, sdata->u.ibss.bssid) == 0) { + + rcu_read_lock(); + sta = sta_info_get(sdata, mgmt->sa); +@@ -508,7 +508,7 @@ static void ieee80211_rx_bss_info(struct + goto put_bss; + + /* same BSSID */ +- if (memcmp(cbss->bssid, sdata->u.ibss.bssid, ETH_ALEN) == 0) ++ if (compare_ether_addr(cbss->bssid, sdata->u.ibss.bssid) == 0) + goto put_bss; + + if (rx_status->flag & RX_FLAG_MACTIME_MPDU) { +@@ -831,8 +831,8 @@ static void ieee80211_rx_mgmt_probe_req( + if (!tx_last_beacon && is_multicast_ether_addr(mgmt->da)) + return; + +- if (memcmp(mgmt->bssid, ifibss->bssid, ETH_ALEN) != 0 && +- memcmp(mgmt->bssid, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) != 0) ++ if (compare_ether_addr(mgmt->bssid, ifibss->bssid) != 0 && ++ !is_broadcast_ether_addr(mgmt->bssid)) + return; + + end = ((u8 *) mgmt) + len; +--- a/net/mac80211/mesh.c ++++ b/net/mac80211/mesh.c +@@ -204,7 +204,7 @@ int mesh_rmc_check(u8 *sa, struct ieee80 + kmem_cache_free(rm_cache, p); + --entries; + } else if ((seqnum == p->seqnum) && +- (memcmp(sa, p->sa, ETH_ALEN) == 0)) ++ (compare_ether_addr(sa, p->sa) == 0)) + return -1; + } + +--- a/net/mac80211/mesh_hwmp.c ++++ b/net/mac80211/mesh_hwmp.c +@@ -8,6 +8,7 @@ + */ + + #include ++#include + #include + #include "wme.h" + #include "mesh.h" +@@ -419,7 +420,7 @@ static u32 hwmp_route_info_get(struct ie + new_metric = MAX_METRIC; + exp_time = TU_TO_EXP_TIME(orig_lifetime); + +- if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0) { ++ if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0) { + /* This MP is the originator, we are not interested in this + * frame, except for updating transmitter's path info. + */ +@@ -469,7 +470,7 @@ static u32 hwmp_route_info_get(struct ie + + /* Update and check transmitter routing info */ + ta = mgmt->sa; +- if (memcmp(orig_addr, ta, ETH_ALEN) == 0) ++ if (compare_ether_addr(orig_addr, ta) == 0) + fresh_info = false; + else { + fresh_info = true; +@@ -529,7 +530,7 @@ static void hwmp_preq_frame_process(stru + + mhwmp_dbg("received PREQ from %pM", orig_addr); + +- if (memcmp(target_addr, sdata->vif.addr, ETH_ALEN) == 0) { ++ if (compare_ether_addr(target_addr, sdata->vif.addr) == 0) { + mhwmp_dbg("PREQ is for us"); + forward = false; + reply = true; +@@ -624,7 +625,7 @@ static void hwmp_prep_frame_process(stru + mhwmp_dbg("received PREP from %pM", PREP_IE_ORIG_ADDR(prep_elem)); + + orig_addr = PREP_IE_ORIG_ADDR(prep_elem); +- if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0) ++ if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0) + /* destination, no forwarding required */ + return; + +@@ -694,10 +695,12 @@ static void hwmp_perr_frame_process(stru + rcu_read_lock(); + mpath = mesh_path_lookup(target_addr, sdata); + if (mpath) { ++ struct sta_info *sta; ++ + spin_lock_bh(&mpath->state_lock); ++ sta = next_hop_deref_protected(mpath); + if (mpath->flags & MESH_PATH_ACTIVE && +- memcmp(ta, next_hop_deref_protected(mpath)->sta.addr, +- ETH_ALEN) == 0 && ++ compare_ether_addr(ta, sta->sta.addr) == 0 && + (!(mpath->flags & MESH_PATH_SN_VALID) || + SN_GT(target_sn, mpath->sn))) { + mpath->flags &= ~MESH_PATH_ACTIVE; +@@ -739,7 +742,7 @@ static void hwmp_rann_frame_process(stru + metric = rann->rann_metric; + + /* Ignore our own RANNs */ +- if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0) ++ if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0) + return; + + mhwmp_dbg("received RANN from %pM (is_gate=%d)", orig_addr, +@@ -1064,7 +1067,7 @@ int mesh_nexthop_lookup(struct sk_buff * + if (time_after(jiffies, + mpath->exp_time - + msecs_to_jiffies(sdata->u.mesh.mshcfg.path_refresh_time)) && +- !memcmp(sdata->vif.addr, hdr->addr4, ETH_ALEN) && ++ !compare_ether_addr(sdata->vif.addr, hdr->addr4) && + !(mpath->flags & MESH_PATH_RESOLVING) && + !(mpath->flags & MESH_PATH_FIXED)) + mesh_queue_preq(mpath, PREQ_Q_F_START | PREQ_Q_F_REFRESH); +--- a/net/mac80211/mesh_pathtbl.c ++++ b/net/mac80211/mesh_pathtbl.c +@@ -350,7 +350,7 @@ static struct mesh_path *mpath_lookup(st + hlist_for_each_entry_rcu(node, n, bucket, list) { + mpath = node->mpath; + if (mpath->sdata == sdata && +- memcmp(dst, mpath->dst, ETH_ALEN) == 0) { ++ compare_ether_addr(dst, mpath->dst) == 0) { + if (MPATH_EXPIRED(mpath)) { + spin_lock_bh(&mpath->state_lock); + mpath->flags &= ~MESH_PATH_ACTIVE; +@@ -525,7 +525,7 @@ int mesh_path_add(u8 *dst, struct ieee80 + int err = 0; + u32 hash_idx; + +- if (memcmp(dst, sdata->vif.addr, ETH_ALEN) == 0) ++ if (compare_ether_addr(dst, sdata->vif.addr) == 0) + /* never add ourselves as neighbours */ + return -ENOTSUPP; + +@@ -566,7 +566,8 @@ int mesh_path_add(u8 *dst, struct ieee80 + err = -EEXIST; + hlist_for_each_entry(node, n, bucket, list) { + mpath = node->mpath; +- if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0) ++ if (mpath->sdata == sdata && ++ compare_ether_addr(dst, mpath->dst) == 0) + goto err_exists; + } + +@@ -657,7 +658,7 @@ int mpp_path_add(u8 *dst, u8 *mpp, struc + int err = 0; + u32 hash_idx; + +- if (memcmp(dst, sdata->vif.addr, ETH_ALEN) == 0) ++ if (compare_ether_addr(dst, sdata->vif.addr) == 0) + /* never add ourselves as neighbours */ + return -ENOTSUPP; + +@@ -694,7 +695,8 @@ int mpp_path_add(u8 *dst, u8 *mpp, struc + err = -EEXIST; + hlist_for_each_entry(node, n, bucket, list) { + mpath = node->mpath; +- if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0) ++ if (mpath->sdata == sdata && ++ compare_ether_addr(dst, mpath->dst) == 0) + goto err_exists; + } + +@@ -887,7 +889,7 @@ int mesh_path_del(u8 *addr, struct ieee8 + hlist_for_each_entry(node, n, bucket, list) { + mpath = node->mpath; + if (mpath->sdata == sdata && +- memcmp(addr, mpath->dst, ETH_ALEN) == 0) { ++ compare_ether_addr(addr, mpath->dst) == 0) { + __mesh_path_del(tbl, node); + goto enddel; + } +--- a/net/mac80211/mlme.c ++++ b/net/mac80211/mlme.c +@@ -1812,7 +1812,7 @@ ieee80211_rx_mgmt_auth(struct ieee80211_ + + memcpy(bssid, ifmgd->auth_data->bss->bssid, ETH_ALEN); + +- if (memcmp(bssid, mgmt->bssid, ETH_ALEN)) ++ if (compare_ether_addr(bssid, mgmt->bssid)) + return RX_MGMT_NONE; + + auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg); +@@ -1893,7 +1893,7 @@ ieee80211_rx_mgmt_deauth(struct ieee8021 + return RX_MGMT_NONE; + + if (!ifmgd->associated || +- memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN)) ++ compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid)) + return RX_MGMT_NONE; + + bssid = ifmgd->associated->bssid; +@@ -1925,7 +1925,7 @@ ieee80211_rx_mgmt_disassoc(struct ieee80 + return RX_MGMT_NONE; + + if (!ifmgd->associated || +- memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN)) ++ compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid)) + return RX_MGMT_NONE; + + reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); +@@ -2190,7 +2190,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee + + if (!assoc_data) + return RX_MGMT_NONE; +- if (memcmp(assoc_data->bss->bssid, mgmt->bssid, ETH_ALEN)) ++ if (compare_ether_addr(assoc_data->bss->bssid, mgmt->bssid)) + return RX_MGMT_NONE; + + /* +@@ -2278,8 +2278,8 @@ static void ieee80211_rx_bss_info(struct + bool need_ps = false; + + if (sdata->u.mgd.associated && +- memcmp(mgmt->bssid, sdata->u.mgd.associated->bssid, +- ETH_ALEN) == 0) { ++ compare_ether_addr(mgmt->bssid, sdata->u.mgd.associated->bssid) ++ == 0) { + bss = (void *)sdata->u.mgd.associated->priv; + /* not previously set so we may need to recalc */ + need_ps = !bss->dtim_period; +@@ -2334,7 +2334,7 @@ static void ieee80211_rx_mgmt_probe_resp + + ASSERT_MGD_MTX(ifmgd); + +- if (memcmp(mgmt->da, sdata->vif.addr, ETH_ALEN)) ++ if (compare_ether_addr(mgmt->da, sdata->vif.addr)) + return; /* ignore ProbeResp to foreign address */ + + baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt; +@@ -2347,11 +2347,12 @@ static void ieee80211_rx_mgmt_probe_resp + ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, false); + + if (ifmgd->associated && +- memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN) == 0) ++ compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid) == 0) + ieee80211_reset_ap_probe(sdata); + + if (ifmgd->auth_data && !ifmgd->auth_data->bss->proberesp_ies && +- memcmp(mgmt->bssid, ifmgd->auth_data->bss->bssid, ETH_ALEN) == 0) { ++ compare_ether_addr(mgmt->bssid, ifmgd->auth_data->bss->bssid) ++ == 0) { + /* got probe response, continue with auth */ + printk(KERN_DEBUG "%s: direct probe responded\n", sdata->name); + ifmgd->auth_data->tries = 0; +@@ -2408,7 +2409,8 @@ static void ieee80211_rx_mgmt_beacon(str + return; + + if (ifmgd->assoc_data && !ifmgd->assoc_data->have_beacon && +- memcmp(mgmt->bssid, ifmgd->assoc_data->bss->bssid, ETH_ALEN) == 0) { ++ compare_ether_addr(mgmt->bssid, ifmgd->assoc_data->bss->bssid) ++ == 0) { + ieee802_11_parse_elems(mgmt->u.beacon.variable, + len - baselen, &elems); + +@@ -2423,7 +2425,7 @@ static void ieee80211_rx_mgmt_beacon(str + } + + if (!ifmgd->associated || +- memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN)) ++ compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid)) + return; + bssid = ifmgd->associated->bssid; + +@@ -3285,7 +3287,7 @@ int ieee80211_mgd_assoc(struct ieee80211 + bool match; + + /* keep sta info, bssid if matching */ +- match = memcmp(ifmgd->bssid, req->bss->bssid, ETH_ALEN) == 0; ++ match = compare_ether_addr(ifmgd->bssid, req->bss->bssid) == 0; + ieee80211_destroy_auth_data(sdata, match); + } + +@@ -3407,7 +3409,7 @@ int ieee80211_mgd_assoc(struct ieee80211 + goto err_clear; + } + } else +- WARN_ON_ONCE(memcmp(ifmgd->bssid, req->bss->bssid, ETH_ALEN)); ++ WARN_ON_ONCE(compare_ether_addr(ifmgd->bssid, req->bss->bssid)); + + if (!bss->dtim_period && + sdata->local->hw.flags & IEEE80211_HW_NEED_DTIM_PERIOD) { +@@ -3448,7 +3450,7 @@ int ieee80211_mgd_deauth(struct ieee8021 + mutex_lock(&ifmgd->mtx); + + if (ifmgd->associated && +- memcmp(ifmgd->associated->bssid, req->bssid, ETH_ALEN) == 0) { ++ compare_ether_addr(ifmgd->associated->bssid, req->bssid) == 0) { + ieee80211_set_disassoc(sdata, false, true); + assoc_bss = true; + } else if (ifmgd->auth_data) { +--- a/net/mac80211/status.c ++++ b/net/mac80211/status.c +@@ -10,6 +10,7 @@ + */ + + #include ++#include + #include + #include + #include "ieee80211_i.h" +@@ -377,7 +378,7 @@ void ieee80211_tx_status(struct ieee8021 + + for_each_sta_info(local, hdr->addr1, sta, tmp) { + /* skip wrong virtual interface */ +- if (memcmp(hdr->addr2, sta->sdata->vif.addr, ETH_ALEN)) ++ if (compare_ether_addr(hdr->addr2, sta->sdata->vif.addr)) + continue; + + if (info->flags & IEEE80211_TX_STATUS_EOSP) +--- a/net/wireless/mlme.c ++++ b/net/wireless/mlme.c +@@ -6,6 +6,7 @@ + + #include + #include ++#include + #include + #include + #include +@@ -100,7 +101,7 @@ void __cfg80211_send_deauth(struct net_d + ASSERT_WDEV_LOCK(wdev); + + if (wdev->current_bss && +- memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) { ++ compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) { + cfg80211_unhold_bss(wdev->current_bss); + cfg80211_put_bss(&wdev->current_bss->pub); + wdev->current_bss = NULL; +@@ -115,7 +116,7 @@ void __cfg80211_send_deauth(struct net_d + + reason_code = le16_to_cpu(mgmt->u.deauth.reason_code); + +- from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0; ++ from_ap = compare_ether_addr(mgmt->sa, dev->dev_addr) != 0; + __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); + } else if (wdev->sme_state == CFG80211_SME_CONNECTING) { + __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0, +@@ -154,7 +155,7 @@ void __cfg80211_send_disassoc(struct net + return; + + if (wdev->current_bss && +- memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) { ++ compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) { + cfg80211_sme_disassoc(dev, wdev->current_bss); + cfg80211_unhold_bss(wdev->current_bss); + cfg80211_put_bss(&wdev->current_bss->pub); +@@ -165,7 +166,7 @@ void __cfg80211_send_disassoc(struct net + + reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); + +- from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0; ++ from_ap = compare_ether_addr(mgmt->sa, dev->dev_addr) != 0; + __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); + } + EXPORT_SYMBOL(__cfg80211_send_disassoc); +@@ -285,7 +286,7 @@ int __cfg80211_mlme_auth(struct cfg80211 + return -EINVAL; + + if (wdev->current_bss && +- memcmp(bssid, wdev->current_bss->pub.bssid, ETH_ALEN) == 0) ++ compare_ether_addr(bssid, wdev->current_bss->pub.bssid) == 0) + return -EALREADY; + + memset(&req, 0, sizeof(req)); +@@ -362,7 +363,7 @@ int __cfg80211_mlme_assoc(struct cfg8021 + memset(&req, 0, sizeof(req)); + + if (wdev->current_bss && prev_bssid && +- memcmp(wdev->current_bss->pub.bssid, prev_bssid, ETH_ALEN) == 0) { ++ compare_ether_addr(wdev->current_bss->pub.bssid, prev_bssid) == 0) { + /* + * Trying to reassociate: Allow this to proceed and let the old + * association to be dropped when the new one is completed. +@@ -446,7 +447,8 @@ int __cfg80211_mlme_deauth(struct cfg802 + + if (local_state_change) { + if (wdev->current_bss && +- memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) { ++ compare_ether_addr(wdev->current_bss->pub.bssid, bssid) ++ == 0) { + cfg80211_unhold_bss(wdev->current_bss); + cfg80211_put_bss(&wdev->current_bss->pub); + wdev->current_bss = NULL; +@@ -495,7 +497,7 @@ static int __cfg80211_mlme_disassoc(stru + req.local_state_change = local_state_change; + req.ie = ie; + req.ie_len = ie_len; +- if (memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) ++ if (compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) + req.bss = &wdev->current_bss->pub; + else + return -ENOTCONN; +@@ -758,8 +760,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021 + break; + } + +- if (memcmp(wdev->current_bss->pub.bssid, +- mgmt->bssid, ETH_ALEN)) { ++ if (compare_ether_addr(wdev->current_bss->pub.bssid, ++ mgmt->bssid)) { + err = -ENOTCONN; + break; + } +@@ -772,8 +774,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021 + break; + + /* for station, check that DA is the AP */ +- if (memcmp(wdev->current_bss->pub.bssid, +- mgmt->da, ETH_ALEN)) { ++ if (compare_ether_addr(wdev->current_bss->pub.bssid, ++ mgmt->da)) { + err = -ENOTCONN; + break; + } +@@ -781,11 +783,11 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021 + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_GO: + case NL80211_IFTYPE_AP_VLAN: +- if (memcmp(mgmt->bssid, dev->dev_addr, ETH_ALEN)) ++ if (compare_ether_addr(mgmt->bssid, dev->dev_addr)) + err = -EINVAL; + break; + case NL80211_IFTYPE_MESH_POINT: +- if (memcmp(mgmt->sa, mgmt->bssid, ETH_ALEN)) { ++ if (compare_ether_addr(mgmt->sa, mgmt->bssid)) { + err = -EINVAL; + break; + } +@@ -804,7 +806,7 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021 + return err; + } + +- if (memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0) ++ if (compare_ether_addr(mgmt->sa, dev->dev_addr) != 0) + return -EINVAL; + + /* Transmit the Action frame as requested by user space */ +--- a/net/wireless/scan.c ++++ b/net/wireless/scan.c +@@ -378,7 +378,7 @@ static int cmp_bss_core(struct cfg80211_ + b->len_information_elements); + } + +- return memcmp(a->bssid, b->bssid, ETH_ALEN); ++ return compare_ether_addr(a->bssid, b->bssid); + } + + static int cmp_bss(struct cfg80211_bss *a, +--- a/drivers/net/wireless/ath/ath9k/Kconfig ++++ b/drivers/net/wireless/ath/ath9k/Kconfig +@@ -81,6 +81,14 @@ config ATH9K_DFS_CERTIFIED + developed. At this point enabling this option won't do anything + except increase code size. + ++config ATH9K_MAC_DEBUG ++ bool "Atheros MAC statistics" ++ depends on ATH9K_DEBUGFS ++ default y ++ ---help--- ++ This option enables collection of statistics for Rx/Tx status ++ data and some other MAC related statistics ++ + config ATH9K_RATE_CONTROL + bool "Atheros ath9k rate control" + depends on ATH9K +--- a/drivers/net/wireless/ath/ath9k/debug.c ++++ b/drivers/net/wireless/ath/ath9k/debug.c +@@ -818,6 +818,7 @@ void ath_debug_stat_tx(struct ath_softc + if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) + TX_STAT_INC(qnum, delim_underrun); + ++#ifdef CONFIG_ATH9K_MAC_DEBUG + spin_lock(&sc->debug.samp_lock); + TX_SAMP_DBG(jiffies) = jiffies; + TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0; +@@ -844,6 +845,7 @@ void ath_debug_stat_tx(struct ath_softc + + sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES; + spin_unlock(&sc->debug.samp_lock); ++#endif + + #undef TX_SAMP_DBG + } +@@ -942,27 +944,6 @@ static ssize_t read_file_recv(struct fil + PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL); + + len += snprintf(buf + len, size - len, +- "%22s : %10d\n", "RSSI-CTL0", +- sc->debug.stats.rxstats.rs_rssi_ctl0); +- len += snprintf(buf + len, size - len, +- "%22s : %10d\n", "RSSI-CTL1", +- sc->debug.stats.rxstats.rs_rssi_ctl1); +- len += snprintf(buf + len, size - len, +- "%22s : %10d\n", "RSSI-CTL2", +- sc->debug.stats.rxstats.rs_rssi_ctl2); +- len += snprintf(buf + len, size - len, +- "%22s : %10d\n", "RSSI-EXT0", +- sc->debug.stats.rxstats.rs_rssi_ext0); +- len += snprintf(buf + len, size - len, +- "%22s : %10d\n", "RSSI-EXT1", +- sc->debug.stats.rxstats.rs_rssi_ext1); +- len += snprintf(buf + len, size - len, +- "%22s : %10d\n", "RSSI-EXT2", +- sc->debug.stats.rxstats.rs_rssi_ext2); +- len += snprintf(buf + len, size - len, +- "%22s : %10d\n", "Rx Antenna", +- sc->debug.stats.rxstats.rs_antenna); +- len += snprintf(buf + len, size - len, + "%22s : %10u\n", "RX-Pkts-All", + sc->debug.stats.rxstats.rx_pkts_all); + len += snprintf(buf + len, size - len, +@@ -1009,16 +990,7 @@ void ath_debug_stat_rx(struct ath_softc + RX_PHY_ERR_INC(rs->rs_phyerr); + } + +- sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0; +- sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1; +- sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2; +- +- sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0; +- sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1; +- sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2; +- +- sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna; +- ++#ifdef CONFIG_ATH9K_MAC_DEBUG + spin_lock(&sc->debug.samp_lock); + RX_SAMP_DBG(jiffies) = jiffies; + RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0; +@@ -1035,6 +1007,8 @@ void ath_debug_stat_rx(struct ath_softc + sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES; + spin_unlock(&sc->debug.samp_lock); + ++#endif ++ + #undef RX_STAT_INC + #undef RX_PHY_ERR_INC + #undef RX_SAMP_DBG +@@ -1278,6 +1252,8 @@ static const struct file_operations fops + .llseek = default_llseek, + }; + ++#ifdef CONFIG_ATH9K_MAC_DEBUG ++ + void ath9k_debug_samp_bb_mac(struct ath_softc *sc) + { + #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c) +@@ -1551,6 +1527,7 @@ static const struct file_operations fops + .llseek = default_llseek, + }; + ++#endif + + int ath9k_init_debug(struct ath_hw *ah) + { +@@ -1604,8 +1581,10 @@ int ath9k_init_debug(struct ath_hw *ah) + &fops_base_eeprom); + debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, + &fops_modal_eeprom); ++#ifdef CONFIG_ATH9K_MAC_DEBUG + debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc, + &fops_samps); ++#endif + + debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR, + sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); +--- a/drivers/net/wireless/ath/ath9k/debug.h ++++ b/drivers/net/wireless/ath/ath9k/debug.h +@@ -165,13 +165,6 @@ struct ath_rx_stats { + u32 post_delim_crc_err; + u32 decrypt_busy_err; + u32 phy_err_stats[ATH9K_PHYERR_MAX]; +- int8_t rs_rssi_ctl0; +- int8_t rs_rssi_ctl1; +- int8_t rs_rssi_ctl2; +- int8_t rs_rssi_ext0; +- int8_t rs_rssi_ext1; +- int8_t rs_rssi_ext2; +- u8 rs_antenna; + }; + + enum ath_reset_type { +@@ -235,16 +228,17 @@ struct ath9k_debug { + struct dentry *debugfs_phy; + u32 regidx; + struct ath_stats stats; ++#ifdef CONFIG_ATH9K_MAC_DEBUG + spinlock_t samp_lock; + struct ath_dbg_bb_mac_samp bb_mac_samp[ATH_DBG_MAX_SAMPLES]; + u8 sampidx; + u8 tsidx; + u8 rsidx; ++#endif + }; + + int ath9k_init_debug(struct ath_hw *ah); + +-void ath9k_debug_samp_bb_mac(struct ath_softc *sc); + void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status); + void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, + struct ath_tx_status *ts, struct ath_txq *txq, +@@ -258,10 +252,6 @@ static inline int ath9k_init_debug(struc + return 0; + } + +-static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc) +-{ +-} +- + static inline void ath_debug_stat_interrupt(struct ath_softc *sc, + enum ath9k_int status) + { +@@ -282,4 +272,17 @@ static inline void ath_debug_stat_rx(str + + #endif /* CONFIG_ATH9K_DEBUGFS */ + ++#ifdef CONFIG_ATH9K_MAC_DEBUG ++ ++void ath9k_debug_samp_bb_mac(struct ath_softc *sc); ++ ++#else ++ ++static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc) ++{ ++} ++ ++#endif ++ ++ + #endif /* DEBUG_H */ +--- a/drivers/net/wireless/ath/ath9k/init.c ++++ b/drivers/net/wireless/ath/ath9k/init.c +@@ -555,9 +555,11 @@ static int ath9k_init_softc(u16 devid, s + mutex_init(&sc->mutex); + #ifdef CONFIG_ATH9K_DEBUGFS + spin_lock_init(&sc->nodes_lock); +- spin_lock_init(&sc->debug.samp_lock); + INIT_LIST_HEAD(&sc->nodes); + #endif ++#ifdef CONFIG_ATH9K_MAC_DEBUG ++ spin_lock_init(&sc->debug.samp_lock); ++#endif + tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc); + tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet, + (unsigned long)sc); --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c -@@ -1555,9 +1555,12 @@ int ath9k_hw_reset(struct ath_hw *ah, st - if (ah->btcoex_hw.enabled) - ath9k_hw_btcoex_enable(ah); +@@ -1386,10 +1386,16 @@ static bool ath9k_hw_set_reset_reg(struc + static bool ath9k_hw_chip_reset(struct ath_hw *ah, + struct ath9k_channel *chan) + { +- if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) { +- if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) +- return false; +- } else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM)) ++ int reset_type = ATH9K_RESET_WARM; ++ ++ if (AR_SREV_9280(ah)) { ++ if (ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) ++ reset_type = ATH9K_RESET_POWER_ON; ++ else ++ reset_type = ATH9K_RESET_COLD; ++ } ++ ++ if (!ath9k_hw_set_reset_reg(ah, reset_type)) + return false; + + if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) +--- a/drivers/net/wireless/ath/ath5k/base.c ++++ b/drivers/net/wireless/ath/ath5k/base.c +@@ -2330,15 +2330,6 @@ ath5k_calibrate_work(struct work_struct + "got new rfgain, resetting\n"); + ieee80211_queue_work(ah->hw, &ah->reset_work); + } +- +- /* TODO: On full calibration we should stop TX here, +- * so that it doesn't interfere (mostly due to gain_f +- * calibration that messes with tx packets -see phy.c). +- * +- * NOTE: Stopping the queues from above is not enough +- * to stop TX but saves us from disconecting (at least +- * we don't lose packets). */ +- ieee80211_stop_queues(ah->hw); + } else + ah->ah_cal_mask |= AR5K_CALIBRATION_SHORT; + +@@ -2353,10 +2344,9 @@ ath5k_calibrate_work(struct work_struct + ah->curchan->center_freq)); + + /* Clear calibration flags */ +- if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) { +- ieee80211_wake_queues(ah->hw); ++ if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) + ah->ah_cal_mask &= ~AR5K_CALIBRATION_FULL; +- } else if (ah->ah_cal_mask & AR5K_CALIBRATION_SHORT) ++ else if (ah->ah_cal_mask & AR5K_CALIBRATION_SHORT) + ah->ah_cal_mask &= ~AR5K_CALIBRATION_SHORT; + } + +--- a/drivers/net/wireless/ath/ath5k/phy.c ++++ b/drivers/net/wireless/ath/ath5k/phy.c +@@ -1871,31 +1871,15 @@ ath5k_hw_phy_calibrate(struct ath5k_hw * + ret = 0; + } + +- /* On full calibration do an AGC calibration and +- * request a PAPD probe for gainf calibration if +- * needed */ +- if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) { ++ /* On full calibration request a PAPD probe for ++ * gainf calibration if needed */ ++ if ((ah->ah_cal_mask & AR5K_CALIBRATION_FULL) && ++ (ah->ah_radio == AR5K_RF5111 || ++ ah->ah_radio == AR5K_RF5112) && ++ channel->hw_value != AR5K_MODE_11B) ++ ath5k_hw_request_rfgain_probe(ah); + +- AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL, +- AR5K_PHY_AGCCTL_CAL); +- +- ret = ath5k_hw_register_timeout(ah, AR5K_PHY_AGCCTL, +- AR5K_PHY_AGCCTL_CAL | AR5K_PHY_AGCCTL_NF, +- 0, false); +- if (ret) { +- ATH5K_ERR(ah, +- "gain calibration timeout (%uMHz)\n", +- channel->center_freq); +- } +- +- if ((ah->ah_radio == AR5K_RF5111 || +- ah->ah_radio == AR5K_RF5112) +- && (channel->hw_value != AR5K_MODE_11B)) +- ath5k_hw_request_rfgain_probe(ah); +- } +- +- /* Update noise floor +- * XXX: Only do this after AGC calibration */ ++ /* Update noise floor */ + if (!(ah->ah_cal_mask & AR5K_CALIBRATION_NF)) + ath5k_hw_update_noise_floor(ah); + +--- a/drivers/net/wireless/ath/ath9k/recv.c ++++ b/drivers/net/wireless/ath/ath9k/recv.c +@@ -232,7 +232,6 @@ static void ath_rx_edma_cleanup(struct a + static void ath_rx_edma_init_queue(struct ath_rx_edma *rx_edma, int size) + { + skb_queue_head_init(&rx_edma->rx_fifo); +- skb_queue_head_init(&rx_edma->rx_buffers); + rx_edma->rx_fifo_hwsize = size; + } + +@@ -658,7 +657,9 @@ static void ath_rx_ps(struct ath_softc * + } + + static bool ath_edma_get_buffers(struct ath_softc *sc, +- enum ath9k_rx_qtype qtype) ++ enum ath9k_rx_qtype qtype, ++ struct ath_rx_status *rs, ++ struct ath_buf **dest) + { + struct ath_rx_edma *rx_edma = &sc->rx.rx_edma[qtype]; + struct ath_hw *ah = sc->sc_ah; +@@ -677,7 +678,7 @@ static bool ath_edma_get_buffers(struct + dma_sync_single_for_cpu(sc->dev, bf->bf_buf_addr, + common->rx_bufsize, DMA_FROM_DEVICE); + +- ret = ath9k_hw_process_rxdesc_edma(ah, NULL, skb->data); ++ ret = ath9k_hw_process_rxdesc_edma(ah, rs, skb->data); + if (ret == -EINPROGRESS) { + /*let device gain the buffer again*/ + dma_sync_single_for_device(sc->dev, bf->bf_buf_addr, +@@ -690,20 +691,21 @@ static bool ath_edma_get_buffers(struct + /* corrupt descriptor, skip this one and the following one */ + list_add_tail(&bf->list, &sc->rx.rxbuf); + ath_rx_edma_buf_link(sc, qtype); +- skb = skb_peek(&rx_edma->rx_fifo); +- if (!skb) +- return true; -- if (AR_SREV_9300_20_OR_LATER(ah)) -+ if (AR_SREV_9300_20_OR_LATER(ah)) { - ar9003_hw_bb_watchdog_config(ah); +- bf = SKB_CB_ATHBUF(skb); +- BUG_ON(!bf); ++ skb = skb_peek(&rx_edma->rx_fifo); ++ if (skb) { ++ bf = SKB_CB_ATHBUF(skb); ++ BUG_ON(!bf); -+ ar9003_hw_disable_phy_restart(ah); +- __skb_unlink(skb, &rx_edma->rx_fifo); +- list_add_tail(&bf->list, &sc->rx.rxbuf); +- ath_rx_edma_buf_link(sc, qtype); +- return true; ++ __skb_unlink(skb, &rx_edma->rx_fifo); ++ list_add_tail(&bf->list, &sc->rx.rxbuf); ++ ath_rx_edma_buf_link(sc, qtype); ++ } else { ++ bf = NULL; ++ } + } +- skb_queue_tail(&rx_edma->rx_buffers, skb); + ++ *dest = bf; + return true; + } + +@@ -711,18 +713,15 @@ static struct ath_buf *ath_edma_get_next + struct ath_rx_status *rs, + enum ath9k_rx_qtype qtype) + { +- struct ath_rx_edma *rx_edma = &sc->rx.rx_edma[qtype]; +- struct sk_buff *skb; +- struct ath_buf *bf; ++ struct ath_buf *bf = NULL; + +- while (ath_edma_get_buffers(sc, qtype)); +- skb = __skb_dequeue(&rx_edma->rx_buffers); +- if (!skb) +- return NULL; ++ while (ath_edma_get_buffers(sc, qtype, rs, &bf)) { ++ if (!bf) ++ continue; + +- bf = SKB_CB_ATHBUF(skb); +- ath9k_hw_process_rxdesc_edma(sc->sc_ah, rs, skb->data); +- return bf; ++ return bf; + } -+ - ath9k_hw_apply_gpio_override(ah); ++ return NULL; + } + + static struct ath_buf *ath_get_next_rx_buf(struct ath_softc *sc, +@@ -954,6 +953,7 @@ static void ath9k_process_rssi(struct at + struct ath_softc *sc = hw->priv; + struct ath_hw *ah = common->ah; + int last_rssi; ++ int rssi = rx_stats->rs_rssi; + + if (!rx_stats->is_mybeacon || + ((ah->opmode != NL80211_IFTYPE_STATION) && +@@ -965,13 +965,12 @@ static void ath9k_process_rssi(struct at + + last_rssi = sc->last_rssi; + if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER)) +- rx_stats->rs_rssi = ATH_EP_RND(last_rssi, +- ATH_RSSI_EP_MULTIPLIER); +- if (rx_stats->rs_rssi < 0) +- rx_stats->rs_rssi = 0; ++ rssi = ATH_EP_RND(last_rssi, ATH_RSSI_EP_MULTIPLIER); ++ if (rssi < 0) ++ rssi = 0; + + /* Update Beacon RSSI, this is used by ANI. */ +- ah->stats.avgbrssi = rx_stats->rs_rssi; ++ ah->stats.avgbrssi = rssi; + } + + /* +@@ -988,8 +987,6 @@ static int ath9k_rx_skb_preprocess(struc + { + struct ath_hw *ah = common->ah; + +- memset(rx_status, 0, sizeof(struct ieee80211_rx_status)); +- + /* + * everything but the rate is checked here, the rate check is done + * separately to avoid doing two lookups for a rate for each frame. +@@ -1011,6 +1008,8 @@ static int ath9k_rx_skb_preprocess(struc + rx_status->signal = ah->noise + rx_stats->rs_rssi; + rx_status->antenna = rx_stats->rs_antenna; + rx_status->flag |= RX_FLAG_MACTIME_MPDU; ++ if (rx_stats->rs_moreaggr) ++ rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL; return 0; ---- a/drivers/net/wireless/ath/ath9k/hw.h -+++ b/drivers/net/wireless/ath/ath9k/hw.h -@@ -842,6 +842,7 @@ struct ath_hw { - - u32 bb_watchdog_last_status; - u32 bb_watchdog_timeout_ms; /* in ms, 0 to disable */ -+ u8 bb_hang_rx_ofdm; /* true if bb hang due to rx_ofdm */ - - unsigned int paprd_target_power; - unsigned int paprd_training_power; -@@ -990,6 +991,7 @@ void ar9002_hw_enable_wep_aggregation(st - void ar9003_hw_bb_watchdog_config(struct ath_hw *ah); - void ar9003_hw_bb_watchdog_read(struct ath_hw *ah); - void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah); -+void ar9003_hw_disable_phy_restart(struct ath_hw *ah); - void ar9003_paprd_enable(struct ath_hw *ah, bool val); - void ar9003_paprd_populate_single_table(struct ath_hw *ah, - struct ath9k_hw_cal_data *caldata, + } +@@ -1845,6 +1844,8 @@ int ath_rx_tasklet(struct ath_softc *sc, + if (sc->sc_flags & SC_OP_RXFLUSH) + goto requeue_drop_frag; + ++ memset(rxs, 0, sizeof(struct ieee80211_rx_status)); ++ + rxs->mactime = (tsf & ~0xffffffffULL) | rs.rs_tstamp; + if (rs.rs_tstamp > tsf_lower && + unlikely(rs.rs_tstamp - tsf_lower > 0x10000000)) +--- a/drivers/net/wireless/ath/ath9k/beacon.c ++++ b/drivers/net/wireless/ath/ath9k/beacon.c +@@ -91,7 +91,7 @@ static void ath_beacon_setup(struct ath_ + info.txpower = MAX_RATE_POWER; + info.keyix = ATH9K_TXKEYIX_INVALID; + info.keytype = ATH9K_KEY_TYPE_CLEAR; +- info.flags = ATH9K_TXDESC_NOACK; ++ info.flags = ATH9K_TXDESC_NOACK | ATH9K_TXDESC_INTREQ; + + info.buf_addr[0] = bf->bf_buf_addr; + info.buf_len[0] = roundup(skb->len, 4); +@@ -355,7 +355,6 @@ void ath_beacon_tasklet(unsigned long da + struct ath_common *common = ath9k_hw_common(ah); + struct ath_buf *bf = NULL; + struct ieee80211_vif *vif; +- struct ath_tx_status ts; + bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA); + int slot; + u32 bfaddr, bc = 0; +@@ -462,11 +461,6 @@ void ath_beacon_tasklet(unsigned long da + ath9k_hw_txstart(ah, sc->beacon.beaconq); + + sc->beacon.ast_be_xmit += bc; /* XXX per-vif? */ +- if (edma) { +- spin_lock_bh(&sc->sc_pcu_lock); +- ath9k_hw_txprocdesc(ah, bf->bf_desc, (void *)&ts); +- spin_unlock_bh(&sc->sc_pcu_lock); +- } + } + } + +--- a/drivers/net/wireless/ath/ath9k/mac.c ++++ b/drivers/net/wireless/ath/ath9k/mac.c +@@ -745,7 +745,11 @@ int ath9k_hw_beaconq_setup(struct ath_hw + qi.tqi_aifs = 1; + qi.tqi_cwmin = 0; + qi.tqi_cwmax = 0; +- /* NB: don't enable any interrupts */ ++ ++ if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) ++ qi.tqi_qflags = TXQ_FLAG_TXOKINT_ENABLE | ++ TXQ_FLAG_TXERRINT_ENABLE; ++ + return ath9k_hw_setuptxqueue(ah, ATH9K_TX_QUEUE_BEACON, &qi); + } + EXPORT_SYMBOL(ath9k_hw_beaconq_setup); --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -670,7 +670,8 @@ void ath9k_tasklet(unsigned long data) - u32 status = sc->intrstatus; - u32 rxmask; - -- if (status & ATH9K_INT_FATAL) { -+ if ((status & ATH9K_INT_FATAL) || -+ (status & ATH9K_INT_BB_WATCHDOG)) { - ath_reset(sc, true); - return; +@@ -118,13 +118,15 @@ void ath9k_ps_restore(struct ath_softc * + if (--sc->ps_usecount != 0) + goto unlock; + +- if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK)) ++ if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) ++ goto unlock; ++ ++ if (sc->ps_idle) + mode = ATH9K_PM_FULL_SLEEP; + else if (sc->ps_enabled && + !(sc->ps_flags & (PS_WAIT_FOR_BEACON | + PS_WAIT_FOR_CAB | +- PS_WAIT_FOR_PSPOLL_DATA | +- PS_WAIT_FOR_TX_ACK))) ++ PS_WAIT_FOR_PSPOLL_DATA))) + mode = ATH9K_PM_NETWORK_SLEEP; + else + goto unlock; +@@ -1559,6 +1561,7 @@ static int ath9k_config(struct ieee80211 + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); + struct ieee80211_conf *conf = &hw->conf; ++ bool reset_channel = false; + + ath9k_ps_wakeup(sc); + mutex_lock(&sc->mutex); +@@ -1567,6 +1570,12 @@ static int ath9k_config(struct ieee80211 + sc->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE); + if (sc->ps_idle) + ath_cancel_work(sc); ++ else ++ /* ++ * The chip needs a reset to properly wake up from ++ * full sleep ++ */ ++ reset_channel = ah->chip_fullsleep; } -@@ -737,6 +738,7 @@ irqreturn_t ath_isr(int irq, void *dev) - { - #define SCHED_INTR ( \ - ATH9K_INT_FATAL | \ -+ ATH9K_INT_BB_WATCHDOG | \ - ATH9K_INT_RXORN | \ - ATH9K_INT_RXEOL | \ - ATH9K_INT_RX | \ + + /* +@@ -1595,7 +1604,7 @@ static int ath9k_config(struct ieee80211 + } + } + +- if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { ++ if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || reset_channel) { + struct ieee80211_channel *curchan = hw->conf.channel; + int pos = curchan->hw_value; + int old_pos = -1; +@@ -1955,6 +1964,7 @@ static void ath9k_config_bss(struct ath_ + sc->sc_flags &= ~SC_OP_ANI_RUN; + del_timer_sync(&common->ani.timer); + memset(&sc->caldata, 0, sizeof(sc->caldata)); ++ ath9k_hw_ani_init(sc->sc_ah); + } + } + +@@ -2300,6 +2310,7 @@ static int ath9k_tx_last_beacon(struct i + struct ath_vif *avp; + struct ath_buf *bf; + struct ath_tx_status ts; ++ bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA); + int status; + + vif = sc->beacon.bslot[0]; +@@ -2310,7 +2321,7 @@ static int ath9k_tx_last_beacon(struct i + if (!avp->is_bslot_active) + return 0; + +- if (!sc->beacon.tx_processed) { ++ if (!sc->beacon.tx_processed && !edma) { + tasklet_disable(&sc->bcon_tasklet); + + bf = avp->av_bcbuf; +--- a/drivers/net/wireless/ath/ath9k/xmit.c ++++ b/drivers/net/wireless/ath/ath9k/xmit.c +@@ -2296,9 +2296,12 @@ void ath_tx_edma_tasklet(struct ath_soft + break; + } + +- /* Skip beacon completions */ +- if (ts.qid == sc->beacon.beaconq) ++ /* Process beacon completions separately */ ++ if (ts.qid == sc->beacon.beaconq) { ++ sc->beacon.tx_processed = true; ++ sc->beacon.tx_last = !(ts.ts_status & ATH9K_TXERR_MASK); + continue; ++ } + + txq = &sc->tx.txq[ts.qid]; + +--- a/drivers/net/wireless/ath/ath9k/ath9k.h ++++ b/drivers/net/wireless/ath/ath9k/ath9k.h +@@ -299,7 +299,6 @@ struct ath_tx { + + struct ath_rx_edma { + struct sk_buff_head rx_fifo; +- struct sk_buff_head rx_buffers; + u32 rx_fifo_hwsize; + }; + +--- a/drivers/net/wireless/ath/ath9k/ani.c ++++ b/drivers/net/wireless/ath/ath9k/ani.c +@@ -46,8 +46,8 @@ static const struct ani_ofdm_level_entry + { 5, 4, 1 }, /* lvl 5 */ + { 6, 5, 1 }, /* lvl 6 */ + { 7, 6, 1 }, /* lvl 7 */ +- { 7, 7, 1 }, /* lvl 8 */ +- { 7, 8, 0 } /* lvl 9 */ ++ { 7, 6, 0 }, /* lvl 8 */ ++ { 7, 7, 0 } /* lvl 9 */ + }; + #define ATH9K_ANI_OFDM_NUM_LEVEL \ + ARRAY_SIZE(ofdm_level_table) +@@ -91,8 +91,8 @@ static const struct ani_cck_level_entry + { 4, 0 }, /* lvl 4 */ + { 5, 0 }, /* lvl 5 */ + { 6, 0 }, /* lvl 6 */ +- { 7, 0 }, /* lvl 7 (only for high rssi) */ +- { 8, 0 } /* lvl 8 (only for high rssi) */ ++ { 6, 0 }, /* lvl 7 (only for high rssi) */ ++ { 7, 0 } /* lvl 8 (only for high rssi) */ + }; + + #define ATH9K_ANI_CCK_NUM_LEVEL \ +@@ -290,16 +290,9 @@ static void ath9k_hw_set_ofdm_nil(struct + ATH9K_ANI_FIRSTEP_LEVEL, + entry_ofdm->fir_step_level); + +- if ((ah->opmode != NL80211_IFTYPE_STATION && +- ah->opmode != NL80211_IFTYPE_ADHOC) || +- aniState->noiseFloor <= aniState->rssiThrHigh) { +- if (aniState->ofdmWeakSigDetectOff) +- /* force on ofdm weak sig detect */ +- ath9k_hw_ani_control(ah, +- ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION, +- true); +- else if (aniState->ofdmWeakSigDetectOff == +- entry_ofdm->ofdm_weak_signal_on) ++ if ((aniState->noiseFloor >= aniState->rssiThrHigh) && ++ (aniState->ofdmWeakSigDetectOff != ++ entry_ofdm->ofdm_weak_signal_on)) { + ath9k_hw_ani_control(ah, + ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION, + entry_ofdm->ofdm_weak_signal_on); +@@ -717,26 +710,30 @@ void ath9k_hw_ani_monitor(struct ath_hw + ofdmPhyErrRate, aniState->cckNoiseImmunityLevel, + cckPhyErrRate, aniState->ofdmsTurn); + +- if (aniState->listenTime > 5 * ah->aniperiod) { +- if (ofdmPhyErrRate <= ah->config.ofdm_trig_low && +- cckPhyErrRate <= ah->config.cck_trig_low) { ++ if (aniState->listenTime > ah->aniperiod) { ++ if (cckPhyErrRate < ah->config.cck_trig_low && ++ ((ofdmPhyErrRate < ah->config.ofdm_trig_low && ++ aniState->ofdmNoiseImmunityLevel < ++ ATH9K_ANI_OFDM_DEF_LEVEL) || ++ (ofdmPhyErrRate < ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI && ++ aniState->ofdmNoiseImmunityLevel >= ++ ATH9K_ANI_OFDM_DEF_LEVEL))) { + ath9k_hw_ani_lower_immunity(ah); + aniState->ofdmsTurn = !aniState->ofdmsTurn; +- } +- ath9k_ani_restart(ah); +- } else if (aniState->listenTime > ah->aniperiod) { +- /* check to see if need to raise immunity */ +- if (ofdmPhyErrRate > ah->config.ofdm_trig_high && +- (cckPhyErrRate <= ah->config.cck_trig_high || +- aniState->ofdmsTurn)) { ++ } else if ((ofdmPhyErrRate > ah->config.ofdm_trig_high && ++ aniState->ofdmNoiseImmunityLevel >= ++ ATH9K_ANI_OFDM_DEF_LEVEL) || ++ (ofdmPhyErrRate > ++ ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI && ++ aniState->ofdmNoiseImmunityLevel < ++ ATH9K_ANI_OFDM_DEF_LEVEL)) { + ath9k_hw_ani_ofdm_err_trigger(ah); +- ath9k_ani_restart(ah); + aniState->ofdmsTurn = false; + } else if (cckPhyErrRate > ah->config.cck_trig_high) { + ath9k_hw_ani_cck_err_trigger(ah); +- ath9k_ani_restart(ah); + aniState->ofdmsTurn = true; + } ++ ath9k_ani_restart(ah); + } + } + EXPORT_SYMBOL(ath9k_hw_ani_monitor); +@@ -911,3 +908,4 @@ void ath9k_hw_ani_init(struct ath_hw *ah + ath9k_ani_restart(ah); + ath9k_enable_mib_counters(ah); + } ++EXPORT_SYMBOL(ath9k_hw_ani_init); +--- a/drivers/net/wireless/ath/ath9k/ani.h ++++ b/drivers/net/wireless/ath/ath9k/ani.h +@@ -25,11 +25,13 @@ + + /* units are errors per second */ + #define ATH9K_ANI_OFDM_TRIG_HIGH_OLD 500 +-#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW 1000 ++#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW 3500 ++#define ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI 1000 + + /* units are errors per second */ + #define ATH9K_ANI_OFDM_TRIG_LOW_OLD 200 + #define ATH9K_ANI_OFDM_TRIG_LOW_NEW 400 ++#define ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI 900 + + /* units are errors per second */ + #define ATH9K_ANI_CCK_TRIG_HIGH_OLD 200 +@@ -53,7 +55,7 @@ + #define ATH9K_ANI_RSSI_THR_LOW 7 + + #define ATH9K_ANI_PERIOD_OLD 100 +-#define ATH9K_ANI_PERIOD_NEW 1000 ++#define ATH9K_ANI_PERIOD_NEW 300 + + /* in ms */ + #define ATH9K_ANI_POLLINTERVAL_OLD 100 +--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c ++++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c +@@ -1056,46 +1056,8 @@ static bool ar5008_hw_ani_control_old(st + break; + } + case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{ +- static const int m1ThreshLow[] = { 127, 50 }; +- static const int m2ThreshLow[] = { 127, 40 }; +- static const int m1Thresh[] = { 127, 0x4d }; +- static const int m2Thresh[] = { 127, 0x40 }; +- static const int m2CountThr[] = { 31, 16 }; +- static const int m2CountThrLow[] = { 63, 48 }; + u32 on = param ? 1 : 0; + +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M1_THRESH_LOW, +- m1ThreshLow[on]); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M2_THRESH_LOW, +- m2ThreshLow[on]); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M1_THRESH, +- m1Thresh[on]); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M2_THRESH, +- m2Thresh[on]); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M2COUNT_THR, +- m2CountThr[on]); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW, +- m2CountThrLow[on]); +- +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M1_THRESH_LOW, +- m1ThreshLow[on]); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M2_THRESH_LOW, +- m2ThreshLow[on]); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M1_THRESH, +- m1Thresh[on]); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M2_THRESH, +- m2Thresh[on]); +- + if (on) + REG_SET_BIT(ah, AR_PHY_SFCORR_LOW, + AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW); +--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c ++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c +@@ -824,55 +824,6 @@ static bool ar9003_hw_ani_control(struct + * on == 0 means more noise imm + */ + u32 on = param ? 1 : 0; +- /* +- * make register setting for default +- * (weak sig detect ON) come from INI file +- */ +- int m1ThreshLow = on ? +- aniState->iniDef.m1ThreshLow : m1ThreshLow_off; +- int m2ThreshLow = on ? +- aniState->iniDef.m2ThreshLow : m2ThreshLow_off; +- int m1Thresh = on ? +- aniState->iniDef.m1Thresh : m1Thresh_off; +- int m2Thresh = on ? +- aniState->iniDef.m2Thresh : m2Thresh_off; +- int m2CountThr = on ? +- aniState->iniDef.m2CountThr : m2CountThr_off; +- int m2CountThrLow = on ? +- aniState->iniDef.m2CountThrLow : m2CountThrLow_off; +- int m1ThreshLowExt = on ? +- aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off; +- int m2ThreshLowExt = on ? +- aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off; +- int m1ThreshExt = on ? +- aniState->iniDef.m1ThreshExt : m1ThreshExt_off; +- int m2ThreshExt = on ? +- aniState->iniDef.m2ThreshExt : m2ThreshExt_off; +- +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M1_THRESH_LOW, +- m1ThreshLow); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M2_THRESH_LOW, +- m2ThreshLow); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M1_THRESH, m1Thresh); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M2_THRESH, m2Thresh); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR, +- AR_PHY_SFCORR_M2COUNT_THR, m2CountThr); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW, +- AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW, +- m2CountThrLow); +- +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLowExt); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLowExt); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M1_THRESH, m1ThreshExt); +- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT, +- AR_PHY_SFCORR_EXT_M2_THRESH, m2ThreshExt); + + if (on) + REG_SET_BIT(ah, AR_PHY_SFCORR_LOW, +--- a/drivers/net/wireless/rt2x00/rt2x00dev.c ++++ b/drivers/net/wireless/rt2x00/rt2x00dev.c +@@ -430,10 +430,14 @@ void rt2x00lib_txdone(struct queue_entry + /* + * If the data queue was below the threshold before the txdone + * handler we must make sure the packet queue in the mac80211 stack +- * is reenabled when the txdone handler has finished. ++ * is reenabled when the txdone handler has finished. This has to be ++ * serialized with rt2x00mac_tx(), otherwise we can wake up queue ++ * before it was stopped. + */ ++ spin_lock_bh(&entry->queue->tx_lock); + if (!rt2x00queue_threshold(entry->queue)) + rt2x00queue_unpause_queue(entry->queue); ++ spin_unlock_bh(&entry->queue->tx_lock); + } + EXPORT_SYMBOL_GPL(rt2x00lib_txdone); + +--- a/drivers/net/wireless/rt2x00/rt2x00mac.c ++++ b/drivers/net/wireless/rt2x00/rt2x00mac.c +@@ -152,13 +152,22 @@ void rt2x00mac_tx(struct ieee80211_hw *h + if (unlikely(rt2x00queue_write_tx_frame(queue, skb, false))) + goto exit_fail; + ++ /* ++ * Pausing queue has to be serialized with rt2x00lib_txdone(). Note ++ * we should not use spin_lock_bh variant as bottom halve was already ++ * disabled before ieee80211_xmit() call. ++ */ ++ spin_lock(&queue->tx_lock); + if (rt2x00queue_threshold(queue)) + rt2x00queue_pause_queue(queue); ++ spin_unlock(&queue->tx_lock); + + return; + + exit_fail: ++ spin_lock(&queue->tx_lock); + rt2x00queue_pause_queue(queue); ++ spin_unlock(&queue->tx_lock); + exit_free_skb: + ieee80211_free_txskb(hw, skb); + } +--- a/drivers/net/wireless/rt2x00/rt2x00queue.c ++++ b/drivers/net/wireless/rt2x00/rt2x00queue.c +@@ -619,6 +619,9 @@ int rt2x00queue_write_tx_frame(struct da + else if (test_bit(REQUIRE_DMA, &queue->rt2x00dev->cap_flags)) + rt2x00queue_align_frame(skb); + ++ /* ++ * That function must be called with bh disabled. ++ */ + spin_lock(&queue->tx_lock); + + if (unlikely(rt2x00queue_full(queue))) {