---- a/drivers/net/wireless/ath/ath9k/common.h
-+++ b/drivers/net/wireless/ath/ath9k/common.h
-@@ -27,7 +27,7 @@
- #define WME_MAX_BA WME_BA_BMP_SIZE
- #define ATH_TID_MAX_BUFS (2 * WME_MAX_BA)
-
--#define ATH_RSSI_DUMMY_MARKER 0x127
-+#define ATH_RSSI_DUMMY_MARKER 127
- #define ATH_RSSI_LPF_LEN 10
- #define RSSI_LPF_THRESHOLD -20
- #define ATH_RSSI_EP_MULTIPLIER (1<<7)
---- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
-+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
-@@ -1067,15 +1067,19 @@ static bool ath9k_rx_prepare(struct ath9
-
- last_rssi = priv->rx.last_rssi;
-
-- if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
-- rxbuf->rxstatus.rs_rssi = ATH_EP_RND(last_rssi,
-- ATH_RSSI_EP_MULTIPLIER);
-+ if (ieee80211_is_beacon(hdr->frame_control) &&
-+ !is_zero_ether_addr(common->curbssid) &&
-+ ether_addr_equal(hdr->addr3, common->curbssid)) {
-+ s8 rssi = rxbuf->rxstatus.rs_rssi;
-
-- if (rxbuf->rxstatus.rs_rssi < 0)
-- rxbuf->rxstatus.rs_rssi = 0;
-+ if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
-+ rssi = ATH_EP_RND(last_rssi, ATH_RSSI_EP_MULTIPLIER);
-
-- if (ieee80211_is_beacon(fc))
-- priv->ah->stats.avgbrssi = rxbuf->rxstatus.rs_rssi;
-+ if (rssi < 0)
-+ rssi = 0;
-+
-+ priv->ah->stats.avgbrssi = rssi;
-+ }
-
- rx_status->mactime = be64_to_cpu(rxbuf->rxstatus.rs_tstamp);
- rx_status->band = hw->conf.channel->band;
---- a/include/linux/ieee80211.h
-+++ b/include/linux/ieee80211.h
-@@ -185,7 +185,7 @@ struct ieee80211_hdr {
- u8 addr3[6];
- __le16 seq_ctrl;
- u8 addr4[6];
--} __packed;
-+} __packed __aligned(2);
-
- struct ieee80211_hdr_3addr {
- __le16 frame_control;
-@@ -194,7 +194,7 @@ struct ieee80211_hdr_3addr {
- u8 addr2[6];
- u8 addr3[6];
- __le16 seq_ctrl;
--} __packed;
-+} __packed __aligned(2);
-
- struct ieee80211_qos_hdr {
- __le16 frame_control;
-@@ -204,7 +204,7 @@ struct ieee80211_qos_hdr {
- u8 addr3[6];
- __le16 seq_ctrl;
- __le16 qos_ctrl;
--} __packed;
-+} __packed __aligned(2);
-
- /**
- * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
-@@ -581,7 +581,7 @@ struct ieee80211s_hdr {
- __le32 seqnum;
- u8 eaddr1[6];
- u8 eaddr2[6];
--} __packed;
-+} __packed __aligned(2);
-
- /* Mesh flags */
- #define MESH_FLAGS_AE_A4 0x1
-@@ -875,7 +875,7 @@ struct ieee80211_mgmt {
- } u;
- } __packed action;
- } u;
--} __packed;
-+} __packed __aligned(2);
-
- /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
- #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
-@@ -906,20 +906,20 @@ struct ieee80211_rts {
- __le16 duration;
- u8 ra[6];
- u8 ta[6];
--} __packed;
-+} __packed __aligned(2);
-
- struct ieee80211_cts {
- __le16 frame_control;
- __le16 duration;
- u8 ra[6];
--} __packed;
-+} __packed __aligned(2);
-
- struct ieee80211_pspoll {
- __le16 frame_control;
- __le16 aid;
- u8 bssid[6];
- u8 ta[6];
--} __packed;
-+} __packed __aligned(2);
-
- /* TDLS */
-
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -204,6 +204,8 @@ static void ieee80211_send_addba_resp(st
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
-@@ -65,11 +65,11 @@ static ssize_t sta_flags_read(struct fil
+@@ -66,11 +66,11 @@ static ssize_t sta_flags_read(struct fil
test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
int res = scnprintf(buf, sizeof(buf),
TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
+--- a/net/mac80211/ht.c
++++ b/net/mac80211/ht.c
+@@ -281,13 +281,14 @@ void ieee80211_ba_session_work(struct wo
+ sta, tid, WLAN_BACK_RECIPIENT,
+ WLAN_REASON_UNSPECIFIED, true);
+
++ spin_lock_bh(&sta->lock);
++
+ tid_tx = sta->ampdu_mlme.tid_start_tx[tid];
+ if (tid_tx) {
+ /*
+ * Assign it over to the normal tid_tx array
+ * where it "goes live".
+ */
+- spin_lock_bh(&sta->lock);
+
+ sta->ampdu_mlme.tid_start_tx[tid] = NULL;
+ /* could there be a race? */
+@@ -300,6 +301,7 @@ void ieee80211_ba_session_work(struct wo
+ ieee80211_tx_ba_session_handle_start(sta, tid);
+ continue;
+ }
++ spin_unlock_bh(&sta->lock);
+
+ tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
+ if (tid_tx && test_and_clear_bit(HT_AGG_STATE_WANT_STOP,
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
-@@ -78,7 +78,7 @@ void ieee80211_recalc_txpower(struct iee
- ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_TXPOWER);
- }
-
--static u32 ieee80211_idle_off(struct ieee80211_local *local)
-+u32 ieee80211_idle_off(struct ieee80211_local *local)
- {
- if (!(local->hw.conf.flags & IEEE80211_CONF_IDLE))
- return 0;
-@@ -107,7 +107,7 @@ void ieee80211_recalc_idle(struct ieee80
-
- lockdep_assert_held(&local->mtx);
-
-- active = !list_empty(&local->chanctx_list);
-+ active = !list_empty(&local->chanctx_list) || local->monitors;
-
- if (!local->ops->remain_on_channel) {
- list_for_each_entry(roc, &local->roc_list, list) {
-@@ -436,7 +436,6 @@ int ieee80211_do_open(struct wireless_de
+@@ -463,7 +463,6 @@ int ieee80211_do_open(struct wireless_de
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
struct net_device *dev = wdev->netdev;
struct ieee80211_local *local = sdata->local;
u32 changed = 0;
int res;
u32 hw_reconf_flags = 0;
-@@ -541,6 +540,9 @@ int ieee80211_do_open(struct wireless_de
-
- ieee80211_adjust_monitor_flags(sdata, 1);
- ieee80211_configure_filter(local);
-+ mutex_lock(&local->mtx);
-+ ieee80211_recalc_idle(local);
-+ mutex_unlock(&local->mtx);
-
- netif_carrier_on(dev);
- break;
-@@ -595,30 +597,8 @@ int ieee80211_do_open(struct wireless_de
+@@ -629,30 +628,8 @@ int ieee80211_do_open(struct wireless_de
set_bit(SDATA_STATE_RUNNING, &sdata->state);
/*
* set_multicast_list will be invoked by the networking core
-@@ -817,6 +797,9 @@ static void ieee80211_do_stop(struct iee
-
- ieee80211_adjust_monitor_flags(sdata, -1);
- ieee80211_configure_filter(local);
-+ mutex_lock(&local->mtx);
-+ ieee80211_recalc_idle(local);
-+ mutex_unlock(&local->mtx);
- break;
- case NL80211_IFTYPE_P2P_DEVICE:
- /* relies on synchronize_rcu() below */
-@@ -1022,6 +1005,72 @@ static void ieee80211_if_setup(struct ne
+@@ -1116,6 +1093,74 @@ static void ieee80211_if_setup(struct ne
dev->destructor = free_netdev;
}
+ 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];
++ enum ieee80211_band band;
++ struct ieee80211_supported_band *sband;
+
+ rx_status = IEEE80211_SKB_RXCB(skb);
++ band = rx_status->band;
++ sband = local->hw.wiphy->bands[band];
+ mgmt = (struct ieee80211_mgmt *) skb->data;
+ stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
+
+ return;
+
+ ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
-+ skb->len - baselen, &elems);
++ skb->len - baselen, false, &elems);
+
+ rates = ieee80211_sta_get_rates(local, &elems, band, NULL);
+
+ }
+
+ sta->last_rx = jiffies;
-+ sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
++ sta->sta.supp_rates[band] = rates;
+
+ if (elems.ht_cap_elem)
+ ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
static void ieee80211_iface_work(struct work_struct *work)
{
struct ieee80211_sub_if_data *sdata =
-@@ -1126,6 +1175,9 @@ static void ieee80211_iface_work(struct
+@@ -1220,6 +1265,9 @@ static void ieee80211_iface_work(struct
break;
ieee80211_mesh_rx_queued_mgmt(sdata, skb);
break;
break;
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
-@@ -2365,6 +2365,7 @@ ieee80211_rx_h_action(struct ieee80211_r
+@@ -2369,6 +2369,7 @@ 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_ADHOC)
break;
-@@ -2692,14 +2693,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+@@ -2720,14 +2721,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
if (!ieee80211_vif_is_mesh(&sdata->vif) &&
sdata->vif.type != NL80211_IFTYPE_ADHOC &&
break;
case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
-@@ -3028,10 +3030,16 @@ static int prepare_for_handlers(struct i
+@@ -3059,10 +3061,16 @@ static int prepare_for_handlers(struct i
}
break;
case NL80211_IFTYPE_WDS:
break;
case NL80211_IFTYPE_P2P_DEVICE:
if (!ieee80211_is_public_action(hdr, skb->len) &&
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -149,6 +149,7 @@ static void cleanup_single_sta(struct st
+ * directly by station destruction.
+ */
+ for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
++ kfree(sta->ampdu_mlme.tid_start_tx[i]);
+ tid_tx = rcu_dereference_raw(sta->ampdu_mlme.tid_tx[i]);
+ if (!tid_tx)
+ continue;
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -32,7 +32,6 @@
WLAN_STA_CLEAR_PS_FILT,
WLAN_STA_MFP,
WLAN_STA_BLOCK_BA,
---- a/net/mac80211/tx.c
-+++ b/net/mac80211/tx.c
-@@ -1231,34 +1231,40 @@ static bool ieee80211_tx_frags(struct ie
- if (local->queue_stop_reasons[q] ||
- (!txpending && !skb_queue_empty(&local->pending[q]))) {
- if (unlikely(info->flags &
-- IEEE80211_TX_INTFL_OFFCHAN_TX_OK &&
-- local->queue_stop_reasons[q] &
-- ~BIT(IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL))) {
-+ IEEE80211_TX_INTFL_OFFCHAN_TX_OK)) {
-+ if (local->queue_stop_reasons[q] &
-+ ~BIT(IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL)) {
-+ /*
-+ * Drop off-channel frames if queues
-+ * are stopped for any reason other
-+ * than off-channel operation. Never
-+ * queue them.
-+ */
-+ spin_unlock_irqrestore(
-+ &local->queue_stop_reason_lock,
-+ flags);
-+ ieee80211_purge_tx_queue(&local->hw,
-+ skbs);
-+ return true;
-+ }
-+ } else {
-+
- /*
-- * Drop off-channel frames if queues are stopped
-- * for any reason other than off-channel
-- * operation. Never queue them.
-+ * Since queue is stopped, queue up frames for
-+ * later transmission from the tx-pending
-+ * tasklet when the queue is woken again.
- */
-- spin_unlock_irqrestore(
-- &local->queue_stop_reason_lock, flags);
-- ieee80211_purge_tx_queue(&local->hw, skbs);
-- return true;
-+ if (txpending)
-+ skb_queue_splice_init(skbs,
-+ &local->pending[q]);
-+ else
-+ skb_queue_splice_tail_init(skbs,
-+ &local->pending[q]);
-+
-+ spin_unlock_irqrestore(&local->queue_stop_reason_lock,
-+ flags);
-+ return false;
- }
--
-- /*
-- * Since queue is stopped, queue up frames for later
-- * transmission from the tx-pending tasklet when the
-- * queue is woken again.
-- */
-- if (txpending)
-- skb_queue_splice_init(skbs, &local->pending[q]);
-- else
-- skb_queue_splice_tail_init(skbs,
-- &local->pending[q]);
--
-- spin_unlock_irqrestore(&local->queue_stop_reason_lock,
-- flags);
-- return false;
- }
- spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
-
-@@ -1848,9 +1854,24 @@ netdev_tx_t ieee80211_subif_start_xmit(s
- }
-
- if (!is_multicast_ether_addr(skb->data)) {
-+ struct sta_info *next_hop;
-+ bool mpp_lookup = true;
-+
- mpath = mesh_path_lookup(sdata, skb->data);
-- if (!mpath)
-+ if (mpath) {
-+ mpp_lookup = false;
-+ next_hop = rcu_dereference(mpath->next_hop);
-+ if (!next_hop ||
-+ !(mpath->flags & (MESH_PATH_ACTIVE |
-+ MESH_PATH_RESOLVING)))
-+ mpp_lookup = true;
-+ }
-+
-+ if (mpp_lookup)
- mppath = mpp_path_lookup(sdata, skb->data);
-+
-+ if (mppath && mpath)
-+ mesh_path_del(mpath->sdata, mpath->dst);
- }
-
- /*
---- a/net/wireless/nl80211.c
-+++ b/net/wireless/nl80211.c
-@@ -554,16 +554,9 @@ static int nl80211_msg_put_channel(struc
- if ((chan->flags & IEEE80211_CHAN_NO_IBSS) &&
- nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IBSS))
- goto nla_put_failure;
-- if (chan->flags & IEEE80211_CHAN_RADAR) {
-- u32 time = elapsed_jiffies_msecs(chan->dfs_state_entered);
-- if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
-- goto nla_put_failure;
-- if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE,
-- chan->dfs_state))
-- goto nla_put_failure;
-- if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, time))
-- goto nla_put_failure;
-- }
-+ if ((chan->flags & IEEE80211_CHAN_RADAR) &&
-+ nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR))
-+ goto nla_put_failure;
- if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) &&
- nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS))
- goto nla_put_failure;
-@@ -900,9 +893,6 @@ static int nl80211_put_iface_combination
- nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM,
- c->max_interfaces))
- goto nla_put_failure;
-- if (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
-- c->radar_detect_widths))
-- goto nla_put_failure;
-
- nla_nest_end(msg, nl_combi);
+@@ -203,6 +201,7 @@ struct tid_ampdu_rx {
+ * driver requested to close until the work for it runs
+ * @mtx: mutex to protect all TX data (except non-NULL assignments
+ * to tid_tx[idx], which are protected by the sta spinlock)
++ * tid_start_tx is also protected by sta->lock.
+ */
+ struct sta_ampdu_mlme {
+ struct mutex mtx;
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -1778,9 +1778,13 @@ static void ath_tx_txqaddbuf(struct ath_
}
-@@ -914,48 +904,6 @@ nla_put_failure:
- return -ENOBUFS;
- }
-
--#ifdef CONFIG_PM
--static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev,
-- struct sk_buff *msg)
--{
-- const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan.tcp;
-- struct nlattr *nl_tcp;
--
-- if (!tcp)
-- return 0;
--
-- nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION);
-- if (!nl_tcp)
-- return -ENOBUFS;
--
-- if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
-- tcp->data_payload_max))
-- return -ENOBUFS;
--
-- if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD,
-- tcp->data_payload_max))
-- return -ENOBUFS;
--
-- if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ))
-- return -ENOBUFS;
--
-- if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN,
-- sizeof(*tcp->tok), tcp->tok))
-- return -ENOBUFS;
--
-- if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL,
-- tcp->data_interval_max))
-- return -ENOBUFS;
--
-- if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD,
-- tcp->wake_payload_max))
-- return -ENOBUFS;
--
-- nla_nest_end(msg, nl_tcp);
-- return 0;
--}
--#endif
--
- static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flags,
- struct cfg80211_registered_device *dev)
- {
-@@ -1330,9 +1278,6 @@ static int nl80211_send_wiphy(struct sk_
- goto nla_put_failure;
- }
-
-- if (nl80211_send_wowlan_tcp_caps(dev, msg))
-- goto nla_put_failure;
--
- nla_nest_end(msg, nl_wowlan);
- }
- #endif
---- a/net/mac80211/cfg.c
-+++ b/net/mac80211/cfg.c
-@@ -3285,13 +3285,19 @@ static int ieee80211_cfg_get_channel(str
- struct cfg80211_chan_def *chandef)
- {
- struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
-+ struct ieee80211_local *local = wiphy_priv(wiphy);
- struct ieee80211_chanctx_conf *chanctx_conf;
- int ret = -ENODATA;
-
- rcu_read_lock();
-- chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
-- if (chanctx_conf) {
-- *chandef = chanctx_conf->def;
-+ if (local->use_chanctx) {
-+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
-+ if (chanctx_conf) {
-+ *chandef = chanctx_conf->def;
-+ ret = 0;
-+ }
-+ } else if (local->open_count == local->monitors) {
-+ *chandef = local->monitor_chandef;
- ret = 0;
- }
- rcu_read_unlock();
---- a/drivers/net/wireless/ath/ath9k/hw.c
-+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1463,7 +1463,9 @@ static bool ath9k_hw_chip_reset(struct a
- reset_type = ATH9K_RESET_POWER_ON;
- else
- reset_type = ATH9K_RESET_COLD;
-- }
-+ } else if (ah->chip_fullsleep || REG_READ(ah, AR_Q_TXE) ||
-+ (REG_READ(ah, AR_CR) & AR_CR_RXE))
-+ reset_type = ATH9K_RESET_COLD;
-
- if (!ath9k_hw_set_reset_reg(ah, reset_type))
- return false;
---- a/drivers/net/wireless/rt2x00/rt2x00dev.c
-+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
-@@ -1236,8 +1236,10 @@ static inline void rt2x00lib_set_if_comb
- */
- if_limit = &rt2x00dev->if_limits_ap;
- if_limit->max = rt2x00dev->ops->max_ap_intf;
-- if_limit->types = BIT(NL80211_IFTYPE_AP) |
-- BIT(NL80211_IFTYPE_MESH_POINT);
-+ if_limit->types = BIT(NL80211_IFTYPE_AP);
-+#ifdef CONFIG_MAC80211_MESH
-+ if_limit->types |= BIT(NL80211_IFTYPE_MESH_POINT);
-+#endif
-
- /*
- * Build up AP interface combinations structure.
-@@ -1309,7 +1311,9 @@ int rt2x00lib_probe_dev(struct rt2x00_de
- rt2x00dev->hw->wiphy->interface_modes |=
- BIT(NL80211_IFTYPE_ADHOC) |
- BIT(NL80211_IFTYPE_AP) |
-+#ifdef CONFIG_MAC80211_MESH
- BIT(NL80211_IFTYPE_MESH_POINT) |
-+#endif
- BIT(NL80211_IFTYPE_WDS);
-
- rt2x00dev->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
---- a/net/mac80211/rc80211_minstrel_ht.c
-+++ b/net/mac80211/rc80211_minstrel_ht.c
-@@ -26,11 +26,11 @@
- /* Number of symbols for a packet with (bps) bits per symbol */
- #define MCS_NSYMS(bps) ((MCS_NBITS + (bps) - 1) / (bps))
-
--/* Transmission time for a packet containing (syms) symbols */
-+/* Transmission time (nanoseconds) for a packet containing (syms) symbols */
- #define MCS_SYMBOL_TIME(sgi, syms) \
- (sgi ? \
-- ((syms) * 18 + 4) / 5 : /* syms * 3.6 us */ \
-- (syms) << 2 /* syms * 4 us */ \
-+ ((syms) * 18000 + 4000) / 5 : /* syms * 3.6 us */ \
-+ ((syms) * 1000) << 2 /* syms * 4 us */ \
- )
-
- /* Transmit duration for the raw data part of an average sized packet */
-@@ -64,9 +64,9 @@
- }
-
- #define CCK_DURATION(_bitrate, _short, _len) \
-- (10 /* SIFS */ + \
-+ (1000 * (10 /* SIFS */ + \
- (_short ? 72 + 24 : 144 + 48 ) + \
-- (8 * (_len + 4) * 10) / (_bitrate))
-+ (8 * (_len + 4) * 10) / (_bitrate)))
-
- #define CCK_ACK_DURATION(_bitrate, _short) \
- (CCK_DURATION((_bitrate > 10 ? 20 : 10), false, 60) + \
-@@ -211,20 +211,32 @@ static void
- minstrel_ht_calc_tp(struct minstrel_ht_sta *mi, int group, int rate)
- {
- struct minstrel_rate_stats *mr;
-- unsigned int usecs = 0;
-+ unsigned int nsecs = 0;
-+ unsigned int tp;
-+ unsigned int prob;
-
- mr = &mi->groups[group].rates[rate];
-+ prob = mr->probability;
-- if (mr->probability < MINSTREL_FRAC(1, 10)) {
-+ if (prob < MINSTREL_FRAC(1, 10)) {
- mr->cur_tp = 0;
- return;
- }
-
-+ /*
-+ * For the throughput calculation, limit the probability value to 90% to
-+ * account for collision related packet error rate fluctuation
-+ */
-+ if (prob > MINSTREL_FRAC(9, 10))
-+ prob = MINSTREL_FRAC(9, 10);
-+
- if (group != MINSTREL_CCK_GROUP)
-- usecs = mi->overhead / MINSTREL_TRUNC(mi->avg_ampdu_len);
-+ nsecs = 1000 * mi->overhead / MINSTREL_TRUNC(mi->avg_ampdu_len);
-
-- usecs += minstrel_mcs_groups[group].duration[rate];
-- mr->cur_tp = MINSTREL_TRUNC((1000000 / usecs) * mr->probability);
-+ nsecs += minstrel_mcs_groups[group].duration[rate];
-+ tp = 1000000 * ((mr->probability * 1000) / nsecs);
-+
-+ mr->cur_tp = MINSTREL_TRUNC(tp);
- }
-
- /*
-@@ -308,8 +320,8 @@ minstrel_ht_update_stats(struct minstrel
- }
- }
-
-- /* try to sample up to half of the available rates during each interval */
-- mi->sample_count *= 4;
-+ /* try to sample all available rates during each interval */
-+ mi->sample_count *= 8;
-
- cur_prob = 0;
- cur_prob_tp = 0;
-@@ -320,20 +332,13 @@ minstrel_ht_update_stats(struct minstrel
- if (!mg->supported)
- continue;
-
-- mr = minstrel_get_ratestats(mi, mg->max_prob_rate);
-- if (cur_prob_tp < mr->cur_tp &&
-- minstrel_mcs_groups[group].streams == 1) {
-- mi->max_prob_rate = mg->max_prob_rate;
-- cur_prob = mr->cur_prob;
-- cur_prob_tp = mr->cur_tp;
-- }
--
- mr = minstrel_get_ratestats(mi, mg->max_tp_rate);
- if (cur_tp < mr->cur_tp) {
- mi->max_tp_rate2 = mi->max_tp_rate;
- cur_tp2 = cur_tp;
- mi->max_tp_rate = mg->max_tp_rate;
- cur_tp = mr->cur_tp;
-+ mi->max_prob_streams = minstrel_mcs_groups[group].streams - 1;
- }
-
- mr = minstrel_get_ratestats(mi, mg->max_tp_rate2);
-@@ -343,6 +348,23 @@ minstrel_ht_update_stats(struct minstrel
- }
- }
-
-+ if (mi->max_prob_streams < 1)
-+ mi->max_prob_streams = 1;
+ if (!internal) {
+- txq->axq_depth++;
+- if (bf_is_ampdu_not_probing(bf))
+- txq->axq_ampdu_depth++;
++ while (bf) {
++ txq->axq_depth++;
++ if (bf_is_ampdu_not_probing(bf))
++ txq->axq_ampdu_depth++;
+
-+ for (group = 0; group < ARRAY_SIZE(minstrel_mcs_groups); group++) {
-+ mg = &mi->groups[group];
-+ if (!mg->supported)
-+ continue;
-+ mr = minstrel_get_ratestats(mi, mg->max_prob_rate);
-+ if (cur_prob_tp < mr->cur_tp &&
-+ minstrel_mcs_groups[group].streams <= mi->max_prob_streams) {
-+ mi->max_prob_rate = mg->max_prob_rate;
-+ cur_prob = mr->cur_prob;
-+ cur_prob_tp = mr->cur_tp;
++ bf = bf->bf_lastbf->bf_next;
+ }
-+ }
-+
-+
- mi->stats_update = jiffies;
- }
-
-@@ -467,7 +489,7 @@ minstrel_ht_tx_status(void *priv, struct
-
- if (!mi->sample_wait && !mi->sample_tries && mi->sample_count > 0) {
- mi->sample_wait = 16 + 2 * MINSTREL_TRUNC(mi->avg_ampdu_len);
-- mi->sample_tries = 2;
-+ mi->sample_tries = 1;
- mi->sample_count--;
- }
-
-@@ -536,7 +558,7 @@ minstrel_calc_retransmit(struct minstrel
- mr->retry_updated = true;
-
- group = &minstrel_mcs_groups[index / MCS_GROUP_RATES];
-- tx_time_data = group->duration[index % MCS_GROUP_RATES] * ampdu_len;
-+ tx_time_data = group->duration[index % MCS_GROUP_RATES] * ampdu_len / 1000;
-
- /* Contention time for first 2 tries */
- ctime = (t_slot * cw) >> 1;
-@@ -616,6 +638,7 @@ minstrel_get_sample_rate(struct minstrel
- {
- struct minstrel_rate_stats *mr;
- struct minstrel_mcs_group_data *mg;
-+ unsigned int sample_dur, sample_group;
- int sample_idx = 0;
-
- if (mi->sample_wait > 0) {
-@@ -626,39 +649,46 @@ minstrel_get_sample_rate(struct minstrel
- if (!mi->sample_tries)
- return -1;
-
-- mi->sample_tries--;
- mg = &mi->groups[mi->sample_group];
- sample_idx = sample_table[mg->column][mg->index];
- mr = &mg->rates[sample_idx];
-- sample_idx += mi->sample_group * MCS_GROUP_RATES;
-+ sample_group = mi->sample_group;
-+ sample_idx += sample_group * MCS_GROUP_RATES;
- minstrel_next_sample_idx(mi);
-
- /*
- * Sampling might add some overhead (RTS, no aggregation)
- * to the frame. Hence, don't use sampling for the currently
-- * used max TP rate.
-+ * used rates.
- */
-- if (sample_idx == mi->max_tp_rate)
-+ if (sample_idx == mi->max_tp_rate ||
-+ sample_idx == mi->max_tp_rate2 ||
-+ sample_idx == mi->max_prob_rate)
- return -1;
-+
- /*
-- * When not using MRR, do not sample if the probability is already
-- * higher than 95% to avoid wasting airtime
-+ * Do not sample if the probability is already higher than 95%
-+ * to avoid wasting airtime.
- */
-- if (!mp->has_mrr && (mr->probability > MINSTREL_FRAC(95, 100)))
-+ if (mr->probability > MINSTREL_FRAC(95, 100))
- return -1;
-
- /*
- * Make sure that lower rates get sampled only occasionally,
- * if the link is working perfectly.
- */
-- if (minstrel_get_duration(sample_idx) >
-- minstrel_get_duration(mi->max_tp_rate)) {
-+ sample_dur = minstrel_get_duration(sample_idx);
-+ if (sample_dur >= minstrel_get_duration(mi->max_tp_rate2) &&
-+ (mi->max_prob_streams <
-+ minstrel_mcs_groups[sample_group].streams ||
-+ sample_dur >= minstrel_get_duration(mi->max_prob_rate))) {
- if (mr->sample_skipped < 20)
- return -1;
-
- if (mi->sample_slow++ > 2)
- return -1;
}
-+ mi->sample_tries--;
-
- return sample_idx;
}
---- a/net/mac80211/rc80211_minstrel_ht.h
-+++ b/net/mac80211/rc80211_minstrel_ht.h
-@@ -85,6 +85,7 @@ struct minstrel_ht_sta {
-
- /* best probability rate */
- unsigned int max_prob_rate;
-+ unsigned int max_prob_streams;
-
- /* time of last status update */
- unsigned long stats_update;
---- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
-@@ -1023,6 +1023,7 @@ static bool ar9003_hw_init_cal(struct at
- AR_PHY_AGC_CONTROL_FLTR_CAL |
- AR_PHY_AGC_CONTROL_PKDET_CAL;
-
-+ /* Use chip chainmask only for calibration */
- ar9003_hw_set_chain_masks(ah, ah->caps.rx_chainmask, ah->caps.tx_chainmask);
-
- if (rtt) {
-@@ -1150,6 +1151,9 @@ skip_tx_iqcal:
- ar9003_hw_rtt_disable(ah);
- }
-
-+ /* Revert chainmask to runtime parameters */
-+ ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
-+
- /* Initialize list pointers */
- ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
-
---- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
-@@ -3606,6 +3606,12 @@ static void ar9003_hw_ant_ctrl_apply(str
- value = ar9003_hw_ant_ctrl_common_2_get(ah, is2ghz);
- REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM_2, AR_SWITCH_TABLE_COM2_ALL, value);
-
-+ if ((AR_SREV_9462(ah)) && (ah->rxchainmask == 0x2)) {
-+ value = ar9003_hw_ant_ctrl_chain_get(ah, 1, is2ghz);
-+ REG_RMW_FIELD(ah, switch_chain_reg[0],
-+ AR_SWITCH_TABLE_ALL, value);
-+ }
-+
- for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
- if ((ah->rxchainmask & BIT(chain)) ||
- (ah->txchainmask & BIT(chain))) {
-@@ -3772,6 +3778,17 @@ static void ar9003_hw_atten_apply(struct
- AR_PHY_EXT_ATTEN_CTL_2,
- };
-
-+ if ((AR_SREV_9462(ah)) && (ah->rxchainmask == 0x2)) {
-+ value = ar9003_hw_atten_chain_get(ah, 1, chan);
-+ REG_RMW_FIELD(ah, ext_atten_reg[0],
-+ AR_PHY_EXT_ATTEN_CTL_XATTEN1_DB, value);
-+
-+ value = ar9003_hw_atten_chain_get_margin(ah, 1, chan);
-+ REG_RMW_FIELD(ah, ext_atten_reg[0],
-+ AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN,
-+ value);
-+ }
-+
- /* Test value. if 0 then attenuation is unused. Don't load anything. */
- for (i = 0; i < 3; i++) {
- if (ah->txchainmask & BIT(i)) {
---- a/drivers/net/wireless/ath/ath9k/link.c
-+++ b/drivers/net/wireless/ath/ath9k/link.c
-@@ -28,21 +28,21 @@ void ath_tx_complete_poll_work(struct wo
- int i;
- bool needreset = false;
-
-- for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
-- if (ATH_TXQ_SETUP(sc, i)) {
-- txq = &sc->tx.txq[i];
-- ath_txq_lock(sc, txq);
-- if (txq->axq_depth) {
-- if (txq->axq_tx_inprogress) {
-- needreset = true;
-- ath_txq_unlock(sc, txq);
-- break;
-- } else {
-- txq->axq_tx_inprogress = true;
-- }
-+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
-+ txq = sc->tx.txq_map[i];
-+
-+ ath_txq_lock(sc, txq);
-+ if (txq->axq_depth) {
-+ if (txq->axq_tx_inprogress) {
-+ needreset = true;
-+ ath_txq_unlock(sc, txq);
-+ break;
-+ } else {
-+ txq->axq_tx_inprogress = true;
- }
-- ath_txq_unlock_complete(sc, txq);
- }
-+ ath_txq_unlock_complete(sc, txq);
-+ }
-
- if (needreset) {
- ath_dbg(ath9k_hw_common(sc->sc_ah), RESET,
---- a/net/mac80211/sta_info.c
-+++ b/net/mac80211/sta_info.c
-@@ -766,6 +766,7 @@ int __must_check __sta_info_destroy(stru
- struct ieee80211_local *local;
- struct ieee80211_sub_if_data *sdata;
- int ret, i;
-+ bool have_key = false;
-
- might_sleep();
-
-@@ -793,12 +794,19 @@ int __must_check __sta_info_destroy(stru
- list_del_rcu(&sta->list);
-
- mutex_lock(&local->key_mtx);
-- for (i = 0; i < NUM_DEFAULT_KEYS; i++)
-+ for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
- __ieee80211_key_free(key_mtx_dereference(local, sta->gtk[i]));
-- if (sta->ptk)
-+ have_key = true;
-+ }
-+ if (sta->ptk) {
- __ieee80211_key_free(key_mtx_dereference(local, sta->ptk));
-+ have_key = true;
-+ }
- mutex_unlock(&local->key_mtx);
-
-+ if (!have_key)
-+ synchronize_net();
-+
- sta->dead = true;
-
- local->num_sta--;
---- a/net/mac80211/chan.c
-+++ b/net/mac80211/chan.c
-@@ -63,6 +63,7 @@ ieee80211_new_chanctx(struct ieee80211_l
- enum ieee80211_chanctx_mode mode)
- {
- struct ieee80211_chanctx *ctx;
-+ u32 changed;
- int err;
- lockdep_assert_held(&local->chanctx_mtx);
-@@ -76,6 +77,13 @@ ieee80211_new_chanctx(struct ieee80211_l
- ctx->conf.rx_chains_dynamic = 1;
- ctx->mode = mode;
-
-+ /* acquire mutex to prevent idle from changing */
-+ mutex_lock(&local->mtx);
-+ /* turn idle off *before* setting channel -- some drivers need that */
-+ changed = ieee80211_idle_off(local);
-+ if (changed)
-+ ieee80211_hw_config(local, changed);
-+
- if (!local->use_chanctx) {
- local->_oper_channel_type =
- cfg80211_get_chandef_type(chandef);
-@@ -85,14 +93,17 @@ ieee80211_new_chanctx(struct ieee80211_l
- err = drv_add_chanctx(local, ctx);
- if (err) {
- kfree(ctx);
-- return ERR_PTR(err);
-+ ctx = ERR_PTR(err);
-+
-+ ieee80211_recalc_idle(local);
-+ goto out;
- }
- }
-
-+ /* and keep the mutex held until the new chanctx is on the list */
- list_add_rcu(&ctx->list, &local->chanctx_list);
-
-- mutex_lock(&local->mtx);
-- ieee80211_recalc_idle(local);
-+ out:
- mutex_unlock(&local->mtx);
-
- return ctx;
---- a/net/mac80211/ieee80211_i.h
-+++ b/net/mac80211/ieee80211_i.h
-@@ -1366,6 +1366,7 @@ int ieee80211_if_change_type(struct ieee
- enum nl80211_iftype type);
- void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
- void ieee80211_remove_interfaces(struct ieee80211_local *local);
-+u32 ieee80211_idle_off(struct ieee80211_local *local);
- void ieee80211_recalc_idle(struct ieee80211_local *local);
- void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
- const int offset);
---- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
-+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
-@@ -799,7 +799,7 @@ static int ath9k_init_firmware_version(s
- * required version.
- */
- if (priv->fw_version_major != MAJOR_VERSION_REQ ||
-- priv->fw_version_minor != MINOR_VERSION_REQ) {
-+ priv->fw_version_minor < MINOR_VERSION_REQ) {
- dev_err(priv->dev, "ath9k_htc: Please upgrade to FW version %d.%d\n",
- MAJOR_VERSION_REQ, MINOR_VERSION_REQ);
- return -EINVAL;
projects / openwrt / svn-archive / archive.git / blobdiff