X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/18bdb0133761eefcdc914658bf26931a1370ce60..3412b9496cb58f7ae836fe7630047fa8aac22829:/package/mac80211/patches/300-pending_work.patch diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index 982e233fb..d401b54bb 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -1,353 +1,286 @@ ---- a/drivers/net/wireless/ath/ath9k/main.c -+++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -324,7 +324,6 @@ static void ath_paprd_activate(struct at - if (!caldata || !caldata->paprd_done) - return; - -- ath9k_ps_wakeup(sc); - ar9003_paprd_enable(ah, false); - for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) { - if (!(common->tx_chainmask & BIT(chain))) -@@ -334,7 +333,6 @@ static void ath_paprd_activate(struct at - } - - ar9003_paprd_enable(ah, true); -- ath9k_ps_restore(sc); - } - - static bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int chain) -@@ -554,8 +552,11 @@ set_timer: - if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->caldata) { - if (!ah->caldata->paprd_done) - ieee80211_queue_work(sc->hw, &sc->paprd_work); -- else if (!ah->paprd_table_write_done) -+ else if (!ah->paprd_table_write_done) { -+ ath9k_ps_wakeup(sc); - ath_paprd_activate(sc); -+ ath9k_ps_restore(sc); -+ } - } - } - -@@ -1376,7 +1377,6 @@ static void ath9k_calculate_summary_stat - - ath9k_calculate_iter_data(hw, vif, &iter_data); - -- ath9k_ps_wakeup(sc); - /* Set BSSID mask. */ - memcpy(common->bssidmask, iter_data.mask, ETH_ALEN); - ath_hw_setbssidmask(common); -@@ -1411,7 +1411,6 @@ static void ath9k_calculate_summary_stat - } - - ath9k_hw_set_interrupts(ah, ah->imask); -- ath9k_ps_restore(sc); - - /* Set up ANI */ - if ((iter_data.naps + iter_data.nadhocs) > 0) { -@@ -1457,6 +1456,7 @@ static int ath9k_add_interface(struct ie - struct ath_vif *avp = (void *)vif->drv_priv; - int ret = 0; - -+ ath9k_ps_wakeup(sc); - mutex_lock(&sc->mutex); - - switch (vif->type) { -@@ -1503,6 +1503,7 @@ static int ath9k_add_interface(struct ie - ath9k_do_vif_add_setup(hw, vif); - out: - mutex_unlock(&sc->mutex); -+ ath9k_ps_restore(sc); - return ret; - } - -@@ -1517,6 +1518,7 @@ static int ath9k_change_interface(struct - - ath_dbg(common, ATH_DBG_CONFIG, "Change Interface\n"); - mutex_lock(&sc->mutex); -+ ath9k_ps_wakeup(sc); - - /* See if new interface type is valid. */ - if ((new_type == NL80211_IFTYPE_ADHOC) && -@@ -1546,6 +1548,7 @@ static int ath9k_change_interface(struct - - ath9k_do_vif_add_setup(hw, vif); - out: -+ ath9k_ps_restore(sc); - mutex_unlock(&sc->mutex); - return ret; - } -@@ -1558,6 +1561,7 @@ static void ath9k_remove_interface(struc - - ath_dbg(common, ATH_DBG_CONFIG, "Detach Interface\n"); - -+ ath9k_ps_wakeup(sc); - mutex_lock(&sc->mutex); - - sc->nvifs--; -@@ -1569,6 +1573,7 @@ static void ath9k_remove_interface(struc - ath9k_calculate_summary_state(hw, NULL); - - mutex_unlock(&sc->mutex); -+ ath9k_ps_restore(sc); - } - - static void ath9k_enable_ps(struct ath_softc *sc) -@@ -1809,6 +1814,7 @@ static int ath9k_conf_tx(struct ieee8021 - - txq = sc->tx.txq_map[queue]; - -+ ath9k_ps_wakeup(sc); - mutex_lock(&sc->mutex); - - memset(&qi, 0, sizeof(struct ath9k_tx_queue_info)); -@@ -1832,6 +1838,7 @@ static int ath9k_conf_tx(struct ieee8021 - ath_beaconq_config(sc); - - mutex_unlock(&sc->mutex); -+ ath9k_ps_restore(sc); - - return ret; - } -@@ -1908,6 +1915,7 @@ static void ath9k_bss_info_changed(struc - int slottime; - int error; - -+ ath9k_ps_wakeup(sc); - mutex_lock(&sc->mutex); - - if (changed & BSS_CHANGED_BSSID) { -@@ -2008,6 +2016,7 @@ static void ath9k_bss_info_changed(struc - } - - mutex_unlock(&sc->mutex); -+ ath9k_ps_restore(sc); - } - - static u64 ath9k_get_tsf(struct ieee80211_hw *hw) ---- a/drivers/net/wireless/ath/ath9k/beacon.c -+++ b/drivers/net/wireless/ath/ath9k/beacon.c -@@ -392,14 +392,6 @@ void ath_beacon_tasklet(unsigned long da - tsf += TU_TO_USEC(ah->config.sw_beacon_response_time); - tsftu = TSF_TO_TU((tsf * ATH_BCBUF) >>32, tsf * ATH_BCBUF); - slot = (tsftu % (intval * ATH_BCBUF)) / intval; -- /* -- * Reverse the slot order to get slot 0 on the TBTT offset that does -- * not require TSF adjustment and other slots adding -- * slot/ATH_BCBUF * beacon_int to timestamp. For example, with -- * ATH_BCBUF = 4, we process beacon slots as follows: 3 2 1 0 3 2 1 .. -- * and slot 0 is at correct offset to TBTT. -- */ -- slot = ATH_BCBUF - slot - 1; - vif = sc->beacon.bslot[slot]; - - ath_dbg(common, ATH_DBG_BEACON, -@@ -708,7 +700,7 @@ void ath_beacon_config(struct ath_softc - if (cur_conf->dtim_period == 0) - cur_conf->dtim_period = 1; - -- switch (iftype) { -+ switch (sc->sc_ah->opmode) { - case NL80211_IFTYPE_AP: - ath_beacon_config_ap(sc, cur_conf); - break; ---- a/net/mac80211/rx.c -+++ b/net/mac80211/rx.c -@@ -1585,7 +1585,7 @@ ieee80211_drop_unencrypted_mgmt(struct i - } - - static int --__ieee80211_data_to_8023(struct ieee80211_rx_data *rx) -+__ieee80211_data_to_8023(struct ieee80211_rx_data *rx, bool *port_control) +--- 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 = rx->sdata; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; -@@ -1593,6 +1593,7 @@ __ieee80211_data_to_8023(struct ieee8021 - struct ethhdr *ehdr; - int ret; - -+ *port_control = false; - if (ieee80211_has_a4(hdr->frame_control) && - sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta) - return -1; -@@ -1611,11 +1612,13 @@ __ieee80211_data_to_8023(struct ieee8021 - return -1; - - ret = ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type); -- if (ret < 0 || !check_port_control) -+ if (ret < 0) - return ret; - - ehdr = (struct ethhdr *) rx->skb->data; -- if (ehdr->h_proto != rx->sdata->control_port_protocol) -+ if (ehdr->h_proto == rx->sdata->control_port_protocol) -+ *port_control = true; -+ else if (check_port_control) - return -1; + 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; -@@ -1916,6 +1919,7 @@ ieee80211_rx_h_data(struct ieee80211_rx_ - struct net_device *dev = sdata->dev; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; - __le16 fc = hdr->frame_control; -+ bool port_control; - int err; - - if (unlikely(!ieee80211_is_data(hdr->frame_control))) -@@ -1932,13 +1936,21 @@ ieee80211_rx_h_data(struct ieee80211_rx_ - sdata->vif.type == NL80211_IFTYPE_AP) - return RX_DROP_MONITOR; - -- err = __ieee80211_data_to_8023(rx); -+ err = __ieee80211_data_to_8023(rx, &port_control); - if (unlikely(err)) - return RX_DROP_UNUSABLE; - - if (!ieee80211_frame_allowed(rx, fc)) - return RX_DROP_MONITOR; - -+ if (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && -+ unlikely(port_control) && sdata->bss) { -+ sdata = container_of(sdata->bss, struct ieee80211_sub_if_data, -+ u.ap); -+ dev = sdata->dev; -+ rx->sdata = sdata; -+ } +- err_del_interface: +- drv_remove_interface(local, sdata); + - rx->skb->dev = dev; - - dev->stats.rx_packets++; ---- a/drivers/net/wireless/ath/ath9k/recv.c -+++ b/drivers/net/wireless/ath/ath9k/recv.c -@@ -75,7 +75,6 @@ static void ath_rx_buf_link(struct ath_s - *sc->rx.rxlink = bf->bf_daddr; - - sc->rx.rxlink = &ds->ds_link; -- ath9k_hw_rxena(ah); + err_stop: + if (!local->open_count) + drv_stop(local); +@@ -720,6 +696,70 @@ static void ieee80211_if_setup(struct ne + dev->destructor = free_netdev; } - static void ath_setdefantenna(struct ath_softc *sc, u32 antenna) -@@ -426,9 +425,7 @@ u32 ath_calcrxfilter(struct ath_softc *s - else - rfilt |= ATH9K_RX_FILTER_BEACON; - -- if ((AR_SREV_9280_20_OR_LATER(sc->sc_ah) || -- AR_SREV_9285_12_OR_LATER(sc->sc_ah)) && -- (sc->sc_ah->opmode == NL80211_IFTYPE_AP) && -+ if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) || - (sc->rx.rxfilter & FIF_PSPOLL)) - rfilt |= ATH9K_RX_FILTER_PSPOLL; - -@@ -486,12 +483,12 @@ start_recv: - bool ath_stoprecv(struct ath_softc *sc) ++static void ieee80211_wds_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, ++ struct sk_buff *skb) ++{ ++ 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]; ++ ++ 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; ++ ++ 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; ++ } ++ ++ 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(); ++} ++ + static void ieee80211_iface_work(struct work_struct *work) { - struct ath_hw *ah = sc->sc_ah; -- bool stopped; -+ bool stopped, reset = false; + struct ieee80211_sub_if_data *sdata = +@@ -824,6 +864,9 @@ 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 +@@ -2281,6 +2281,7 @@ 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; - spin_lock_bh(&sc->rx.rxbuflock); - ath9k_hw_abortpcurecv(ah); - ath9k_hw_setrxfilter(ah, 0); -- stopped = ath9k_hw_stopdmarecv(ah); -+ stopped = ath9k_hw_stopdmarecv(ah, &reset); +@@ -2491,14 +2492,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_ - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) - ath_edma_stop_recv(sc); -@@ -506,7 +503,7 @@ bool ath_stoprecv(struct ath_softc *sc) - "confusing the DMA engine when we start RX up\n"); - ATH_DBG_WARN_ON_ONCE(!stopped); - } -- return stopped; -+ return stopped && !reset; - } + 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; - void ath_flushrecv(struct ath_softc *sc) -@@ -1767,6 +1764,7 @@ requeue: - } else { - list_move_tail(&bf->list, &sc->rx.rxbuf); - ath_rx_buf_link(sc, bf); -+ ath9k_hw_rxena(ah); + 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): +@@ -2852,10 +2854,16 @@ static int prepare_for_handlers(struct i } - } while (1); - ---- a/drivers/net/wireless/ath/ath9k/hw.c -+++ b/drivers/net/wireless/ath/ath9k/hw.c -@@ -1249,15 +1249,6 @@ int ath9k_hw_reset(struct ath_hw *ah, st - ah->txchainmask = common->tx_chainmask; - ah->rxchainmask = common->rx_chainmask; - -- if ((common->bus_ops->ath_bus_type != ATH_USB) && !ah->chip_fullsleep) { -- ath9k_hw_abortpcurecv(ah); -- if (!ath9k_hw_stopdmarecv(ah)) { -- ath_dbg(common, ATH_DBG_XMIT, -- "Failed to stop receive dma\n"); -- bChannelChange = false; -- } -- } -- - if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) - return -EIO; + 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 +@@ -1379,8 +1379,10 @@ int sta_info_move_state(struct sta_info + return -EINVAL; + } ---- a/drivers/net/wireless/ath/ath9k/mac.c -+++ b/drivers/net/wireless/ath/ath9k/mac.c -@@ -710,27 +710,46 @@ void ath9k_hw_abortpcurecv(struct ath_hw - } - EXPORT_SYMBOL(ath9k_hw_abortpcurecv); ++#ifdef CONFIG_MAC80211_VERBOSE_DEBUG + printk(KERN_DEBUG "%s: moving STA %pM to state %d\n", + sta->sdata->name, sta->sta.addr, new_state); ++#endif + + /* + * notify the driver before the actual changes so it can +--- a/net/mac80211/sta_info.h ++++ b/net/mac80211/sta_info.h +@@ -31,7 +31,6 @@ + * @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 +61,6 @@ 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, +--- a/net/mac80211/rate.h ++++ b/net/mac80211/rate.h +@@ -37,7 +37,7 @@ static inline void rate_control_tx_statu + struct ieee80211_sta *ista = &sta->sta; + void *priv_sta = sta->rate_ctrl_priv; + +- if (!ref) ++ if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) + return; --bool ath9k_hw_stopdmarecv(struct ath_hw *ah) -+bool ath9k_hw_stopdmarecv(struct ath_hw *ah, bool *reset) - { - #define AH_RX_STOP_DMA_TIMEOUT 10000 /* usec */ - struct ath_common *common = ath9k_hw_common(ah); -+ u32 mac_status, last_mac_status = 0; - int i; + ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb); +--- a/net/mac80211/main.c ++++ b/net/mac80211/main.c +@@ -915,6 +915,8 @@ int ieee80211_register_hw(struct ieee802 + wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n", + result); -+ /* Enable access to the DMA observation bus */ -+ REG_WRITE(ah, AR_MACMISC, -+ ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | -+ (AR_MACMISC_MISC_OBS_BUS_1 << -+ AR_MACMISC_MISC_OBS_BUS_MSB_S))); ++ ieee80211_led_init(local); + - REG_WRITE(ah, AR_CR, AR_CR_RXD); + rtnl_lock(); - /* Wait for rx enable bit to go low */ - for (i = AH_RX_STOP_DMA_TIMEOUT / AH_TIME_QUANTUM; i != 0; i--) { - if ((REG_READ(ah, AR_CR) & AR_CR_RXE) == 0) - break; -+ -+ if (!AR_SREV_9300_20_OR_LATER(ah)) { -+ mac_status = REG_READ(ah, AR_DMADBG_7) & 0x7f0; -+ if (mac_status == 0x1c0 && mac_status == last_mac_status) { -+ *reset = true; -+ break; -+ } -+ -+ last_mac_status = mac_status; -+ } -+ - udelay(AH_TIME_QUANTUM); - } + result = ieee80211_init_rate_ctrl_alg(local, +@@ -936,8 +938,6 @@ int ieee80211_register_hw(struct ieee802 - if (i == 0) { - ath_err(common, -- "DMA failed to stop in %d ms AR_CR=0x%08x AR_DIAG_SW=0x%08x\n", -+ "DMA failed to stop in %d ms AR_CR=0x%08x AR_DIAG_SW=0x%08x DMADBG_7=0x%08x\n", - AH_RX_STOP_DMA_TIMEOUT / 1000, - REG_READ(ah, AR_CR), -- REG_READ(ah, AR_DIAG_SW)); -+ REG_READ(ah, AR_DIAG_SW), -+ REG_READ(ah, AR_DMADBG_7)); - return false; - } else { - return true; ---- a/drivers/net/wireless/ath/ath9k/mac.h -+++ b/drivers/net/wireless/ath/ath9k/mac.h -@@ -695,7 +695,7 @@ bool ath9k_hw_setrxabort(struct ath_hw * - void ath9k_hw_putrxbuf(struct ath_hw *ah, u32 rxdp); - void ath9k_hw_startpcureceive(struct ath_hw *ah, bool is_scanning); - void ath9k_hw_abortpcurecv(struct ath_hw *ah); --bool ath9k_hw_stopdmarecv(struct ath_hw *ah); -+bool ath9k_hw_stopdmarecv(struct ath_hw *ah, bool *reset); - int ath9k_hw_beaconq_setup(struct ath_hw *ah); + rtnl_unlock(); - /* Interrupt Handling */ +- ieee80211_led_init(local); +- + local->network_latency_notifier.notifier_call = + ieee80211_max_network_latency; + result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY,