---- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
-@@ -170,33 +170,104 @@ static bool ar9002_hw_get_isr(struct ath
+--- a/drivers/net/wireless/ath/ath9k/ath9k.h
++++ b/drivers/net/wireless/ath/ath9k/ath9k.h
+@@ -234,6 +234,7 @@ struct ath_buf {
+ dma_addr_t bf_daddr; /* physical addr of desc */
+ dma_addr_t bf_buf_addr; /* physical addr of data buffer, for DMA */
+ bool bf_stale;
++ struct ieee80211_tx_rate rates[4];
+ struct ath_buf_state bf_state;
+ };
+
+@@ -253,6 +254,7 @@ struct ath_atx_tid {
+ int sched;
+ int paused;
+ u8 state;
++ bool stop_cb;
+ };
+
+ struct ath_node {
+@@ -350,7 +352,8 @@ void ath_tx_tasklet(struct ath_softc *sc
+ void ath_tx_edma_tasklet(struct ath_softc *sc);
+ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
+ u16 tid, u16 *ssn);
+-void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
++bool ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid,
++ bool flush);
+ void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
+
+ void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an);
+@@ -658,11 +661,10 @@ enum sc_op_flags {
+ struct ath_rate_table;
+
+ struct ath9k_vif_iter_data {
+- const u8 *hw_macaddr; /* phy's hardware address, set
+- * before starting iteration for
+- * valid bssid mask.
+- */
++ u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */
+ u8 mask[ETH_ALEN]; /* bssid mask */
++ bool has_hw_macaddr;
++
+ int naps; /* number of AP vifs */
+ int nmeshes; /* number of mesh vifs */
+ int nstations; /* number of station vifs */
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -1366,7 +1366,10 @@ static bool ath9k_hw_set_reset(struct at
+
+ REGWRITE_BUFFER_FLUSH(ah);
+
+- udelay(50);
++ if (AR_SREV_9100(ah))
++ mdelay(10);
++ else
++ udelay(50);
+
+ REG_WRITE(ah, AR_RTC_RC, 0);
+ if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) {
+@@ -1377,8 +1380,12 @@ static bool ath9k_hw_set_reset(struct at
+ if (!AR_SREV_9100(ah))
+ REG_WRITE(ah, AR_RC, 0);
+
+- if (AR_SREV_9100(ah))
++ if (AR_SREV_9100(ah) && type != ATH9K_RESET_WARM) {
++ if (ah->external_reset)
++ ah->external_reset();
++
+ udelay(50);
++ }
+
return true;
}
+@@ -1464,7 +1471,8 @@ 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) ||
++ } else if (ah->chip_fullsleep ||
++ REG_READ(ah, AR_Q_TXE) ||
+ (REG_READ(ah, AR_CR) & AR_CR_RXE))
+ reset_type = ATH9K_RESET_COLD;
--static void ar9002_hw_fill_txdesc(struct ath_hw *ah, void *ds, u32 seglen,
-- bool is_firstseg, bool is_lastseg,
-- const void *ds0, dma_addr_t buf_addr,
-- unsigned int qcu)
-+static void
-+ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
- {
- struct ar5416_desc *ads = AR5416DESC(ds);
-+ u32 ctl1, ctl6;
+@@ -1698,12 +1706,11 @@ static void ath9k_hw_reset_opmode(struct
-- ads->ds_data = buf_addr;
--
-- if (is_firstseg) {
-- ads->ds_ctl1 |= seglen | (is_lastseg ? 0 : AR_TxMore);
-- } else if (is_lastseg) {
-- ads->ds_ctl0 = 0;
-- ads->ds_ctl1 = seglen;
-- ads->ds_ctl2 = AR5416DESC_CONST(ds0)->ds_ctl2;
-- ads->ds_ctl3 = AR5416DESC_CONST(ds0)->ds_ctl3;
-- } else {
-- ads->ds_ctl0 = 0;
-- ads->ds_ctl1 = seglen | AR_TxMore;
-- ads->ds_ctl2 = 0;
-- ads->ds_ctl3 = 0;
-- }
- ads->ds_txstatus0 = ads->ds_txstatus1 = 0;
- ads->ds_txstatus2 = ads->ds_txstatus3 = 0;
- ads->ds_txstatus4 = ads->ds_txstatus5 = 0;
- ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
- ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
-+
-+ ACCESS_ONCE(ads->ds_link) = i->link;
-+ ACCESS_ONCE(ads->ds_data) = i->buf_addr[0];
-+
-+ ctl1 = i->buf_len[0] | (i->is_last ? 0 : AR_TxMore);
-+ ctl6 = SM(i->keytype, AR_EncrType);
-+
-+ if (AR_SREV_9285(ah)) {
-+ ads->ds_ctl8 = 0;
-+ ads->ds_ctl9 = 0;
-+ ads->ds_ctl10 = 0;
-+ ads->ds_ctl11 = 0;
-+ }
-+
-+ if ((i->is_first || i->is_last) &&
-+ i->aggr != AGGR_BUF_MIDDLE && i->aggr != AGGR_BUF_LAST) {
-+ ACCESS_ONCE(ads->ds_ctl2) = set11nTries(i->rates, 0)
-+ | set11nTries(i->rates, 1)
-+ | set11nTries(i->rates, 2)
-+ | set11nTries(i->rates, 3)
-+ | (i->dur_update ? AR_DurUpdateEna : 0)
-+ | SM(0, AR_BurstDur);
-+
-+ ACCESS_ONCE(ads->ds_ctl3) = set11nRate(i->rates, 0)
-+ | set11nRate(i->rates, 1)
-+ | set11nRate(i->rates, 2)
-+ | set11nRate(i->rates, 3);
+ ENABLE_REGWRITE_BUFFER(ah);
+
+- REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
+- REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(common->macaddr + 4)
+- | macStaId1
++ REG_RMW(ah, AR_STA_ID1, macStaId1
+ | AR_STA_ID1_RTS_USE_DEF
+ | (ah->config.ack_6mb ? AR_STA_ID1_ACKCTS_6MB : 0)
+- | ah->sta_id1_defaults);
++ | ah->sta_id1_defaults,
++ ~AR_STA_ID1_SADH_MASK);
+ ath_hw_setbssidmask(common);
+ REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
+ ath9k_hw_write_associd(ah);
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -839,10 +839,14 @@ static void ath9k_vif_iter(void *data, u
+ struct ath9k_vif_iter_data *iter_data = data;
+ int i;
+
+- if (iter_data->hw_macaddr)
++ if (iter_data->has_hw_macaddr) {
+ for (i = 0; i < ETH_ALEN; i++)
+ iter_data->mask[i] &=
+ ~(iter_data->hw_macaddr[i] ^ mac[i]);
+ } else {
-+ ACCESS_ONCE(ads->ds_ctl2) = 0;
-+ ACCESS_ONCE(ads->ds_ctl3) = 0;
++ memcpy(iter_data->hw_macaddr, mac, ETH_ALEN);
++ iter_data->has_hw_macaddr = true;
+ }
+
+ switch (vif->type) {
+ case NL80211_IFTYPE_AP:
+@@ -891,7 +895,6 @@ void ath9k_calculate_iter_data(struct ie
+ * together with the BSSID mask when matching addresses.
+ */
+ memset(iter_data, 0, sizeof(*iter_data));
+- iter_data->hw_macaddr = common->macaddr;
+ memset(&iter_data->mask, 0xff, ETH_ALEN);
+
+ if (vif)
+@@ -901,6 +904,8 @@ void ath9k_calculate_iter_data(struct ie
+ ieee80211_iterate_active_interfaces_atomic(
+ sc->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
+ ath9k_vif_iter, iter_data);
+
-+ if (!i->is_first) {
-+ ACCESS_ONCE(ads->ds_ctl0) = 0;
-+ ACCESS_ONCE(ads->ds_ctl1) = ctl1;
-+ ACCESS_ONCE(ads->ds_ctl6) = ctl6;
-+ return;
-+ }
++ memcpy(common->macaddr, iter_data->hw_macaddr, ETH_ALEN);
+ }
+
+ /* Called with sc->mutex held. */
+@@ -1327,6 +1332,7 @@ static int ath9k_sta_add(struct ieee8021
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ struct ath_node *an = (struct ath_node *) sta->drv_priv;
+ struct ieee80211_key_conf ps_key = { };
++ int key;
+
+ ath_node_attach(sc, sta, vif);
+
+@@ -1334,7 +1340,9 @@ static int ath9k_sta_add(struct ieee8021
+ vif->type != NL80211_IFTYPE_AP_VLAN)
+ return 0;
+
+- an->ps_key = ath_key_config(common, vif, sta, &ps_key);
++ key = ath_key_config(common, vif, sta, &ps_key);
++ if (key > 0)
++ an->ps_key = key;
+
+ return 0;
+ }
+@@ -1351,6 +1359,7 @@ static void ath9k_del_ps_key(struct ath_
+ return;
+
+ ath_key_delete(common, &ps_key);
++ an->ps_key = 0;
+ }
+
+ static int ath9k_sta_remove(struct ieee80211_hw *hw,
+@@ -1678,6 +1687,7 @@ static int ath9k_ampdu_action(struct iee
+ u16 tid, u16 *ssn, u8 buf_size)
+ {
+ struct ath_softc *sc = hw->priv;
++ bool flush = false, cb;
+ int ret = 0;
+
+ local_bh_disable();
+@@ -1694,12 +1704,14 @@ static int ath9k_ampdu_action(struct iee
+ ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ ath9k_ps_restore(sc);
+ break;
+- case IEEE80211_AMPDU_TX_STOP_CONT:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
++ flush = true;
++ case IEEE80211_AMPDU_TX_STOP_CONT:
+ ath9k_ps_wakeup(sc);
+- ath_tx_aggr_stop(sc, sta, tid);
+- ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
++ cb = ath_tx_aggr_stop(sc, sta, tid, flush);
++ if (cb)
++ ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ ath9k_ps_restore(sc);
+ break;
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
+--- a/drivers/net/wireless/ath/ath9k/reg.h
++++ b/drivers/net/wireless/ath/ath9k/reg.h
+@@ -1493,9 +1493,6 @@ enum {
+ #define AR9271_RADIO_RF_RST 0x20
+ #define AR9271_GATE_MAC_CTL 0x4000
+
+-#define AR_STA_ID0 0x8000
+-#define AR_STA_ID1 0x8004
+-#define AR_STA_ID1_SADH_MASK 0x0000FFFF
+ #define AR_STA_ID1_STA_AP 0x00010000
+ #define AR_STA_ID1_ADHOC 0x00020000
+ #define AR_STA_ID1_PWR_SAV 0x00040000
+--- a/drivers/net/wireless/ath/hw.c
++++ b/drivers/net/wireless/ath/hw.c
+@@ -118,6 +118,12 @@
+ void ath_hw_setbssidmask(struct ath_common *common)
+ {
+ void *ah = common->ah;
++ u32 id1;
++
++ REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
++ id1 = REG_READ(ah, AR_STA_ID1) & ~AR_STA_ID1_SADH_MASK;
++ id1 |= get_unaligned_le16(common->macaddr + 4);
++ REG_WRITE(ah, AR_STA_ID1, id1);
+
+ REG_WRITE(ah, AR_BSSMSKL, get_unaligned_le32(common->bssidmask));
+ REG_WRITE(ah, AR_BSSMSKU, get_unaligned_le16(common->bssidmask + 4));
+--- a/drivers/net/wireless/ath/reg.h
++++ b/drivers/net/wireless/ath/reg.h
+@@ -23,6 +23,10 @@
+ #define AR_MIBC_CMC 0x00000004
+ #define AR_MIBC_MCS 0x00000008
+
++#define AR_STA_ID0 0x8000
++#define AR_STA_ID1 0x8004
++#define AR_STA_ID1_SADH_MASK 0x0000ffff
+
-+ ctl1 |= (i->keyix != ATH9K_TXKEYIX_INVALID ? SM(i->keyix, AR_DestIdx) : 0)
-+ | SM(i->type, AR_FrameType)
-+ | (i->flags & ATH9K_TXDESC_NOACK ? AR_NoAck : 0)
-+ | (i->flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
-+ | (i->flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);
-+
-+ switch (i->aggr) {
-+ case AGGR_BUF_FIRST:
-+ ctl6 |= SM(i->aggr_len, AR_AggrLen);
-+ /* fall through */
-+ case AGGR_BUF_MIDDLE:
-+ ctl1 |= AR_IsAggr | AR_MoreAggr;
-+ ctl6 |= SM(i->ndelim, AR_PadDelim);
+ /*
+ * BSSID mask registers. See ath_hw_set_bssid_mask()
+ * for detailed documentation about these registers.
+--- a/drivers/net/wireless/iwlegacy/4965-mac.c
++++ b/drivers/net/wireless/iwlegacy/4965-mac.c
+@@ -6059,7 +6059,7 @@ il4965_mac_channel_switch(struct ieee802
+ struct il_priv *il = hw->priv;
+ const struct il_channel_info *ch_info;
+ struct ieee80211_conf *conf = &hw->conf;
+- struct ieee80211_channel *channel = ch_switch->channel;
++ struct ieee80211_channel *channel = ch_switch->chandef.chan;
+ struct il_ht_config *ht_conf = &il->current_ht_config;
+ u16 ch;
+
+@@ -6096,23 +6096,21 @@ il4965_mac_channel_switch(struct ieee802
+ il->current_ht_config.smps = conf->smps_mode;
+
+ /* Configure HT40 channels */
+- il->ht.enabled = conf_is_ht(conf);
+- if (il->ht.enabled) {
+- if (conf_is_ht40_minus(conf)) {
+- il->ht.extension_chan_offset =
+- IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+- il->ht.is_40mhz = true;
+- } else if (conf_is_ht40_plus(conf)) {
+- il->ht.extension_chan_offset =
+- IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+- il->ht.is_40mhz = true;
+- } else {
+- il->ht.extension_chan_offset =
+- IEEE80211_HT_PARAM_CHA_SEC_NONE;
+- il->ht.is_40mhz = false;
+- }
+- } else
++ switch (cfg80211_get_chandef_type(&ch_switch->chandef)) {
++ case NL80211_CHAN_NO_HT:
++ case NL80211_CHAN_HT20:
+ il->ht.is_40mhz = false;
++ il->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
+ break;
-+ case AGGR_BUF_LAST:
-+ ctl1 |= AR_IsAggr;
++ case NL80211_CHAN_HT40MINUS:
++ il->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
++ il->ht.is_40mhz = true;
+ break;
-+ case AGGR_BUF_NONE:
++ case NL80211_CHAN_HT40PLUS:
++ il->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
++ il->ht.is_40mhz = true;
+ break;
+ }
-+
-+ ACCESS_ONCE(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen)
-+ | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
-+ | SM(i->txpower, AR_XmitPower)
-+ | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
-+ | (i->flags & ATH9K_TXDESC_INTREQ ? AR_TxIntrReq : 0)
-+ | (i->keyix != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
-+ | (i->flags & ATH9K_TXDESC_CLRDMASK ? AR_ClrDestMask : 0)
-+ | (i->flags & ATH9K_TXDESC_RTSENA ? AR_RTSEnable :
-+ (i->flags & ATH9K_TXDESC_CTSENA ? AR_CTSEnable : 0));
-+
-+ ACCESS_ONCE(ads->ds_ctl1) = ctl1;
-+ ACCESS_ONCE(ads->ds_ctl6) = ctl6;
-+
-+ if (i->aggr == AGGR_BUF_MIDDLE || i->aggr == AGGR_BUF_LAST)
-+ return;
-+
-+ ACCESS_ONCE(ads->ds_ctl4) = set11nPktDurRTSCTS(i->rates, 0)
-+ | set11nPktDurRTSCTS(i->rates, 1);
-+
-+ ACCESS_ONCE(ads->ds_ctl5) = set11nPktDurRTSCTS(i->rates, 2)
-+ | set11nPktDurRTSCTS(i->rates, 3);
-+
-+ ACCESS_ONCE(ads->ds_ctl7) = set11nRateFlags(i->rates, 0)
-+ | set11nRateFlags(i->rates, 1)
-+ | set11nRateFlags(i->rates, 2)
-+ | set11nRateFlags(i->rates, 3)
-+ | SM(i->rtscts_rate, AR_RTSCTSRate);
+
+ if ((le16_to_cpu(il->staging.channel) != ch))
+ il->staging.flags = 0;
+--- a/drivers/net/wireless/iwlegacy/4965.c
++++ b/drivers/net/wireless/iwlegacy/4965.c
+@@ -1493,7 +1493,7 @@ il4965_hw_channel_switch(struct il_priv
+
+ cmd.band = band;
+ cmd.expect_beacon = 0;
+- ch = ch_switch->channel->hw_value;
++ ch = ch_switch->chandef.chan->hw_value;
+ cmd.channel = cpu_to_le16(ch);
+ cmd.rxon_flags = il->staging.flags;
+ cmd.rxon_filter_flags = il->staging.filter_flags;
+--- a/drivers/net/wireless/iwlwifi/dvm/devices.c
++++ b/drivers/net/wireless/iwlwifi/dvm/devices.c
+@@ -379,7 +379,7 @@ static int iwl5000_hw_channel_switch(str
+ };
+
+ cmd.band = priv->band == IEEE80211_BAND_2GHZ;
+- ch = ch_switch->channel->hw_value;
++ ch = ch_switch->chandef.chan->hw_value;
+ IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
+ ctx->active.channel, ch);
+ cmd.channel = cpu_to_le16(ch);
+@@ -414,7 +414,8 @@ static int iwl5000_hw_channel_switch(str
+ }
+ IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
+ cmd.switch_time);
+- cmd.expect_beacon = ch_switch->channel->flags & IEEE80211_CHAN_RADAR;
++ cmd.expect_beacon =
++ ch_switch->chandef.chan->flags & IEEE80211_CHAN_RADAR;
+
+ return iwl_dvm_send_cmd(priv, &hcmd);
}
+@@ -540,7 +541,7 @@ static int iwl6000_hw_channel_switch(str
+ hcmd.data[0] = cmd;
+
+ cmd->band = priv->band == IEEE80211_BAND_2GHZ;
+- ch = ch_switch->channel->hw_value;
++ ch = ch_switch->chandef.chan->hw_value;
+ IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
+ ctx->active.channel, ch);
+ cmd->channel = cpu_to_le16(ch);
+@@ -575,7 +576,8 @@ static int iwl6000_hw_channel_switch(str
+ }
+ IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
+ cmd->switch_time);
+- cmd->expect_beacon = ch_switch->channel->flags & IEEE80211_CHAN_RADAR;
++ cmd->expect_beacon =
++ ch_switch->chandef.chan->flags & IEEE80211_CHAN_RADAR;
+
+ err = iwl_dvm_send_cmd(priv, &hcmd);
+ kfree(cmd);
+--- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
++++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
+@@ -970,7 +970,7 @@ static void iwlagn_mac_channel_switch(st
+ {
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
+ struct ieee80211_conf *conf = &hw->conf;
+- struct ieee80211_channel *channel = ch_switch->channel;
++ struct ieee80211_channel *channel = ch_switch->chandef.chan;
+ struct iwl_ht_config *ht_conf = &priv->current_ht_config;
+ /*
+ * MULTI-FIXME
+@@ -1008,11 +1008,21 @@ static void iwlagn_mac_channel_switch(st
+ priv->current_ht_config.smps = conf->smps_mode;
+
+ /* Configure HT40 channels */
+- ctx->ht.enabled = conf_is_ht(conf);
+- if (ctx->ht.enabled)
+- iwlagn_config_ht40(conf, ctx);
+- else
++ switch (cfg80211_get_chandef_type(&ch_switch->chandef)) {
++ case NL80211_CHAN_NO_HT:
++ case NL80211_CHAN_HT20:
+ ctx->ht.is_40mhz = false;
++ ctx->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
++ break;
++ case NL80211_CHAN_HT40MINUS:
++ ctx->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
++ ctx->ht.is_40mhz = true;
++ break;
++ case NL80211_CHAN_HT40PLUS:
++ ctx->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
++ ctx->ht.is_40mhz = true;
++ break;
++ }
- static int ar9002_hw_proc_txdesc(struct ath_hw *ah, void *ds,
-@@ -271,145 +342,6 @@ static int ar9002_hw_proc_txdesc(struct
- return 0;
+ if ((le16_to_cpu(ctx->staging.channel) != ch))
+ ctx->staging.flags = 0;
+--- a/drivers/net/wireless/iwlwifi/dvm/rxon.c
++++ b/drivers/net/wireless/iwlwifi/dvm/rxon.c
+@@ -1160,7 +1160,7 @@ int iwlagn_commit_rxon(struct iwl_priv *
}
--static void ar9002_hw_set11n_txdesc(struct ath_hw *ah, void *ds,
-- u32 pktLen, enum ath9k_pkt_type type,
-- u32 txPower, u8 keyIx,
-- enum ath9k_key_type keyType, u32 flags)
--{
-- struct ar5416_desc *ads = AR5416DESC(ds);
--
-- if (txPower > 63)
-- txPower = 63;
--
-- ads->ds_ctl0 = (pktLen & AR_FrameLen)
-- | (flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
-- | SM(txPower, AR_XmitPower)
-- | (flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
-- | (flags & ATH9K_TXDESC_INTREQ ? AR_TxIntrReq : 0)
-- | (keyIx != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0);
--
-- ads->ds_ctl1 =
-- (keyIx != ATH9K_TXKEYIX_INVALID ? SM(keyIx, AR_DestIdx) : 0)
-- | SM(type, AR_FrameType)
-- | (flags & ATH9K_TXDESC_NOACK ? AR_NoAck : 0)
-- | (flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
-- | (flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);
--
-- ads->ds_ctl6 = SM(keyType, AR_EncrType);
--
-- if (AR_SREV_9285(ah) || AR_SREV_9271(ah)) {
-- ads->ds_ctl8 = 0;
-- ads->ds_ctl9 = 0;
-- ads->ds_ctl10 = 0;
-- ads->ds_ctl11 = 0;
-- }
--}
--
--static void ar9002_hw_set_clrdmask(struct ath_hw *ah, void *ds, bool val)
--{
-- struct ar5416_desc *ads = AR5416DESC(ds);
--
-- if (val)
-- ads->ds_ctl0 |= AR_ClrDestMask;
-- else
-- ads->ds_ctl0 &= ~AR_ClrDestMask;
--}
--
--static void ar9002_hw_set11n_ratescenario(struct ath_hw *ah, void *ds,
-- void *lastds,
-- u32 durUpdateEn, u32 rtsctsRate,
-- u32 rtsctsDuration,
-- struct ath9k_11n_rate_series series[],
-- u32 nseries, u32 flags)
--{
-- struct ar5416_desc *ads = AR5416DESC(ds);
-- struct ar5416_desc *last_ads = AR5416DESC(lastds);
-- u32 ds_ctl0;
--
-- if (flags & (ATH9K_TXDESC_RTSENA | ATH9K_TXDESC_CTSENA)) {
-- ds_ctl0 = ads->ds_ctl0;
--
-- if (flags & ATH9K_TXDESC_RTSENA) {
-- ds_ctl0 &= ~AR_CTSEnable;
-- ds_ctl0 |= AR_RTSEnable;
-- } else {
-- ds_ctl0 &= ~AR_RTSEnable;
-- ds_ctl0 |= AR_CTSEnable;
-- }
--
-- ads->ds_ctl0 = ds_ctl0;
-- } else {
-- ads->ds_ctl0 =
-- (ads->ds_ctl0 & ~(AR_RTSEnable | AR_CTSEnable));
-- }
--
-- ads->ds_ctl2 = set11nTries(series, 0)
-- | set11nTries(series, 1)
-- | set11nTries(series, 2)
-- | set11nTries(series, 3)
-- | (durUpdateEn ? AR_DurUpdateEna : 0)
-- | SM(0, AR_BurstDur);
--
-- ads->ds_ctl3 = set11nRate(series, 0)
-- | set11nRate(series, 1)
-- | set11nRate(series, 2)
-- | set11nRate(series, 3);
--
-- ads->ds_ctl4 = set11nPktDurRTSCTS(series, 0)
-- | set11nPktDurRTSCTS(series, 1);
--
-- ads->ds_ctl5 = set11nPktDurRTSCTS(series, 2)
-- | set11nPktDurRTSCTS(series, 3);
--
-- ads->ds_ctl7 = set11nRateFlags(series, 0)
-- | set11nRateFlags(series, 1)
-- | set11nRateFlags(series, 2)
-- | set11nRateFlags(series, 3)
-- | SM(rtsctsRate, AR_RTSCTSRate);
-- last_ads->ds_ctl2 = ads->ds_ctl2;
-- last_ads->ds_ctl3 = ads->ds_ctl3;
--}
--
--static void ar9002_hw_set11n_aggr_first(struct ath_hw *ah, void *ds,
-- u32 aggrLen)
--{
-- struct ar5416_desc *ads = AR5416DESC(ds);
--
-- ads->ds_ctl1 |= (AR_IsAggr | AR_MoreAggr);
-- ads->ds_ctl6 &= ~AR_AggrLen;
-- ads->ds_ctl6 |= SM(aggrLen, AR_AggrLen);
--}
--
--static void ar9002_hw_set11n_aggr_middle(struct ath_hw *ah, void *ds,
-- u32 numDelims)
--{
-- struct ar5416_desc *ads = AR5416DESC(ds);
-- unsigned int ctl6;
--
-- ads->ds_ctl1 |= (AR_IsAggr | AR_MoreAggr);
--
-- ctl6 = ads->ds_ctl6;
-- ctl6 &= ~AR_PadDelim;
-- ctl6 |= SM(numDelims, AR_PadDelim);
-- ads->ds_ctl6 = ctl6;
--}
--
--static void ar9002_hw_set11n_aggr_last(struct ath_hw *ah, void *ds)
--{
-- struct ar5416_desc *ads = AR5416DESC(ds);
--
-- ads->ds_ctl1 |= AR_IsAggr;
-- ads->ds_ctl1 &= ~AR_MoreAggr;
-- ads->ds_ctl6 &= ~AR_PadDelim;
--}
--
--static void ar9002_hw_clr11n_aggr(struct ath_hw *ah, void *ds)
--{
-- struct ar5416_desc *ads = AR5416DESC(ds);
--
-- ads->ds_ctl1 &= (~AR_IsAggr & ~AR_MoreAggr);
--}
--
- void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds,
- u32 size, u32 flags)
+ void iwlagn_config_ht40(struct ieee80211_conf *conf,
+- struct iwl_rxon_context *ctx)
++ struct iwl_rxon_context *ctx)
{
-@@ -433,13 +365,6 @@ void ar9002_hw_attach_mac_ops(struct ath
- ops->rx_enable = ar9002_hw_rx_enable;
- ops->set_desc_link = ar9002_hw_set_desc_link;
- ops->get_isr = ar9002_hw_get_isr;
-- ops->fill_txdesc = ar9002_hw_fill_txdesc;
-+ ops->set_txdesc = ar9002_set_txdesc;
- ops->proc_txdesc = ar9002_hw_proc_txdesc;
-- ops->set11n_txdesc = ar9002_hw_set11n_txdesc;
-- ops->set11n_ratescenario = ar9002_hw_set11n_ratescenario;
-- ops->set11n_aggr_first = ar9002_hw_set11n_aggr_first;
-- ops->set11n_aggr_middle = ar9002_hw_set11n_aggr_middle;
-- ops->set11n_aggr_last = ar9002_hw_set11n_aggr_last;
-- ops->clr11n_aggr = ar9002_hw_clr11n_aggr;
-- ops->set_clrdmask = ar9002_hw_set_clrdmask;
- }
---- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
-@@ -652,8 +652,9 @@ static void ar9003_hw_detect_outlier(int
- outlier_idx = max_idx;
- else
- outlier_idx = min_idx;
-+
-+ mp_coeff[outlier_idx] = mp_avg;
+ if (conf_is_ht40_minus(conf)) {
+ ctx->ht.extension_chan_offset =
+--- a/drivers/net/wireless/mac80211_hwsim.c
++++ b/drivers/net/wireless/mac80211_hwsim.c
+@@ -25,6 +25,7 @@
+ #include <linux/if_arp.h>
+ #include <linux/rtnetlink.h>
+ #include <linux/etherdevice.h>
++#include <linux/platform_device.h>
+ #include <linux/debugfs.h>
+ #include <linux/module.h>
+ #include <linux/ktime.h>
+@@ -717,9 +718,17 @@ static bool mac80211_hwsim_tx_frame_no_n
+ rx_status.flag |= RX_FLAG_MACTIME_START;
+ rx_status.freq = chan->center_freq;
+ rx_status.band = chan->band;
+- rx_status.rate_idx = info->control.rates[0].idx;
+- if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS)
+- rx_status.flag |= RX_FLAG_HT;
++ if (info->control.rates[0].flags & IEEE80211_TX_RC_VHT_MCS) {
++ rx_status.rate_idx =
++ ieee80211_rate_get_vht_mcs(&info->control.rates[0]);
++ rx_status.vht_nss =
++ ieee80211_rate_get_vht_nss(&info->control.rates[0]);
++ rx_status.flag |= RX_FLAG_VHT;
++ } else {
++ rx_status.rate_idx = info->control.rates[0].idx;
++ if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS)
++ rx_status.flag |= RX_FLAG_HT;
++ }
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+ rx_status.flag |= RX_FLAG_40MHZ;
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_SHORT_GI)
+@@ -1687,6 +1696,7 @@ static void mac80211_hwsim_free(void)
+ debugfs_remove(data->debugfs_ps);
+ debugfs_remove(data->debugfs);
+ ieee80211_unregister_hw(data->hw);
++ device_release_driver(data->dev);
+ device_unregister(data->dev);
+ ieee80211_free_hw(data->hw);
}
-- mp_coeff[outlier_idx] = mp_avg;
- }
+@@ -1695,7 +1705,9 @@ static void mac80211_hwsim_free(void)
- static void ar9003_hw_tx_iqcal_load_avg_2_passes(struct ath_hw *ah,
-@@ -884,6 +885,7 @@ static bool ar9003_hw_init_cal(struct at
- if (txiqcal_done)
- ar9003_hw_tx_iq_cal_post_proc(ah);
-+ ath9k_hw_loadnf(ah, chan);
- ath9k_hw_start_nfcal(ah, true);
+ static struct device_driver mac80211_hwsim_driver = {
+- .name = "mac80211_hwsim"
++ .name = "mac80211_hwsim",
++ .bus = &platform_bus_type,
++ .owner = THIS_MODULE,
+ };
- /* Initialize list pointers */
---- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-@@ -21,6 +21,132 @@ static void ar9003_hw_rx_enable(struct a
- REG_WRITE(hw, AR_CR, 0);
- }
+ static const struct net_device_ops hwsim_netdev_ops = {
+@@ -2187,9 +2199,15 @@ static int __init init_mac80211_hwsim(vo
+ spin_lock_init(&hwsim_radio_lock);
+ INIT_LIST_HEAD(&hwsim_radios);
-+static void
-+ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
-+{
-+ struct ar9003_txc *ads = ds;
-+ int checksum = 0;
-+ u32 val, ctl12, ctl17;
-+
-+ val = (ATHEROS_VENDOR_ID << AR_DescId_S) |
-+ (1 << AR_TxRxDesc_S) |
-+ (1 << AR_CtrlStat_S) |
-+ (i->qcu << AR_TxQcuNum_S) | 0x17;
-+
-+ checksum += val;
-+ ACCESS_ONCE(ads->info) = val;
-+
-+ checksum += i->link;
-+ ACCESS_ONCE(ads->link) = i->link;
-+
-+ checksum += i->buf_addr[0];
-+ ACCESS_ONCE(ads->data0) = i->buf_addr[0];
-+ checksum += i->buf_addr[1];
-+ ACCESS_ONCE(ads->data1) = i->buf_addr[1];
-+ checksum += i->buf_addr[2];
-+ ACCESS_ONCE(ads->data2) = i->buf_addr[2];
-+ checksum += i->buf_addr[3];
-+ ACCESS_ONCE(ads->data3) = i->buf_addr[3];
-+
-+ checksum += (val = (i->buf_len[0] << AR_BufLen_S) & AR_BufLen);
-+ ACCESS_ONCE(ads->ctl3) = val;
-+ checksum += (val = (i->buf_len[1] << AR_BufLen_S) & AR_BufLen);
-+ ACCESS_ONCE(ads->ctl5) = val;
-+ checksum += (val = (i->buf_len[2] << AR_BufLen_S) & AR_BufLen);
-+ ACCESS_ONCE(ads->ctl7) = val;
-+ checksum += (val = (i->buf_len[3] << AR_BufLen_S) & AR_BufLen);
-+ ACCESS_ONCE(ads->ctl9) = val;
-+
-+ checksum = (u16) (((checksum & 0xffff) + (checksum >> 16)) & 0xffff);
-+ ACCESS_ONCE(ads->ctl10) = checksum;
-+
-+ if (i->is_first || i->is_last) {
-+ ACCESS_ONCE(ads->ctl13) = set11nTries(i->rates, 0)
-+ | set11nTries(i->rates, 1)
-+ | set11nTries(i->rates, 2)
-+ | set11nTries(i->rates, 3)
-+ | (i->dur_update ? AR_DurUpdateEna : 0)
-+ | SM(0, AR_BurstDur);
-+
-+ ACCESS_ONCE(ads->ctl14) = set11nRate(i->rates, 0)
-+ | set11nRate(i->rates, 1)
-+ | set11nRate(i->rates, 2)
-+ | set11nRate(i->rates, 3);
-+ } else {
-+ ACCESS_ONCE(ads->ctl13) = 0;
-+ ACCESS_ONCE(ads->ctl14) = 0;
-+ }
++ err = driver_register(&mac80211_hwsim_driver);
++ if (err)
++ return err;
+
-+ ads->ctl20 = 0;
-+ ads->ctl21 = 0;
-+ ads->ctl22 = 0;
-+
-+ ctl17 = SM(i->keytype, AR_EncrType);
-+ if (!i->is_first) {
-+ ACCESS_ONCE(ads->ctl11) = 0;
-+ ACCESS_ONCE(ads->ctl12) = i->is_last ? 0 : AR_TxMore;
-+ ACCESS_ONCE(ads->ctl15) = 0;
-+ ACCESS_ONCE(ads->ctl16) = 0;
-+ ACCESS_ONCE(ads->ctl17) = ctl17;
-+ ACCESS_ONCE(ads->ctl18) = 0;
-+ ACCESS_ONCE(ads->ctl19) = 0;
-+ return;
+ hwsim_class = class_create(THIS_MODULE, "mac80211_hwsim");
+- if (IS_ERR(hwsim_class))
+- return PTR_ERR(hwsim_class);
++ if (IS_ERR(hwsim_class)) {
++ err = PTR_ERR(hwsim_class);
++ goto failed_unregister_driver;
+ }
+
+ memset(addr, 0, ETH_ALEN);
+ addr[0] = 0x02;
+@@ -2211,12 +2229,20 @@ static int __init init_mac80211_hwsim(vo
+ "hwsim%d", i);
+ if (IS_ERR(data->dev)) {
+ printk(KERN_DEBUG
+- "mac80211_hwsim: device_create "
+- "failed (%ld)\n", PTR_ERR(data->dev));
++ "mac80211_hwsim: device_create failed (%ld)\n",
++ PTR_ERR(data->dev));
+ err = -ENOMEM;
+ goto failed_drvdata;
+ }
+ data->dev->driver = &mac80211_hwsim_driver;
++ err = device_bind_driver(data->dev);
++ if (err != 0) {
++ printk(KERN_DEBUG
++ "mac80211_hwsim: device_bind_driver failed (%d)\n",
++ err);
++ goto failed_hw;
++ }
+
-+ ACCESS_ONCE(ads->ctl11) = (i->pkt_len & AR_FrameLen)
-+ | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
-+ | SM(i->txpower, AR_XmitPower)
-+ | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
-+ | (i->keyix != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
-+ | (i->flags & ATH9K_TXDESC_LOWRXCHAIN ? AR_LowRxChain : 0)
-+ | (i->flags & ATH9K_TXDESC_CLRDMASK ? AR_ClrDestMask : 0)
-+ | (i->flags & ATH9K_TXDESC_RTSENA ? AR_RTSEnable :
-+ (i->flags & ATH9K_TXDESC_CTSENA ? AR_CTSEnable : 0));
-+
-+ ctl12 = (i->keyix != ATH9K_TXKEYIX_INVALID ?
-+ SM(i->keyix, AR_DestIdx) : 0)
-+ | SM(i->type, AR_FrameType)
-+ | (i->flags & ATH9K_TXDESC_NOACK ? AR_NoAck : 0)
-+ | (i->flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
-+ | (i->flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);
-+
-+ ctl17 |= (i->flags & ATH9K_TXDESC_LDPC ? AR_LDPC : 0);
-+ switch (i->aggr) {
-+ case AGGR_BUF_FIRST:
-+ ctl17 |= SM(i->aggr_len, AR_AggrLen);
-+ /* fall through */
-+ case AGGR_BUF_MIDDLE:
-+ ctl12 |= AR_IsAggr | AR_MoreAggr;
-+ ctl17 |= SM(i->ndelim, AR_PadDelim);
-+ break;
-+ case AGGR_BUF_LAST:
-+ ctl12 |= AR_IsAggr;
-+ break;
-+ case AGGR_BUF_NONE:
-+ break;
-+ }
+ skb_queue_head_init(&data->pending);
+
+ SET_IEEE80211_DEV(hw, data->dev);
+@@ -2515,6 +2541,8 @@ failed_drvdata:
+ ieee80211_free_hw(hw);
+ failed:
+ mac80211_hwsim_free();
++failed_unregister_driver:
++ driver_unregister(&mac80211_hwsim_driver);
+ return err;
+ }
+ module_init(init_mac80211_hwsim);
+@@ -2527,5 +2555,6 @@ static void __exit exit_mac80211_hwsim(v
+
+ mac80211_hwsim_free();
+ unregister_netdev(hwsim_mon);
++ driver_unregister(&mac80211_hwsim_driver);
+ }
+ module_exit(exit_mac80211_hwsim);
+--- a/drivers/net/wireless/ti/wl12xx/cmd.c
++++ b/drivers/net/wireless/ti/wl12xx/cmd.c
+@@ -301,7 +301,7 @@ int wl12xx_cmd_channel_switch(struct wl1
+ }
+
+ cmd->role_id = wlvif->role_id;
+- cmd->channel = ch_switch->channel->hw_value;
++ cmd->channel = ch_switch->chandef.chan->hw_value;
+ cmd->switch_time = ch_switch->count;
+ cmd->stop_tx = ch_switch->block_tx;
+
+--- a/drivers/net/wireless/ti/wl18xx/cmd.c
++++ b/drivers/net/wireless/ti/wl18xx/cmd.c
+@@ -42,11 +42,11 @@ int wl18xx_cmd_channel_switch(struct wl1
+ }
+
+ cmd->role_id = wlvif->role_id;
+- cmd->channel = ch_switch->channel->hw_value;
++ cmd->channel = ch_switch->chandef.chan->hw_value;
+ cmd->switch_time = ch_switch->count;
+ cmd->stop_tx = ch_switch->block_tx;
+
+- switch (ch_switch->channel->band) {
++ switch (ch_switch->chandef.chan->band) {
+ case IEEE80211_BAND_2GHZ:
+ cmd->band = WLCORE_BAND_2_4GHZ;
+ break;
+@@ -55,7 +55,7 @@ int wl18xx_cmd_channel_switch(struct wl1
+ break;
+ default:
+ wl1271_error("invalid channel switch band: %d",
+- ch_switch->channel->band);
++ ch_switch->chandef.chan->band);
+ ret = -EINVAL;
+ goto out_free;
+ }
+--- a/include/linux/ieee80211.h
++++ b/include/linux/ieee80211.h
+@@ -673,6 +673,36 @@ struct ieee80211_channel_sw_ie {
+ } __packed;
+
+ /**
++ * struct ieee80211_ext_chansw_ie
++ *
++ * This structure represents the "Extended Channel Switch Announcement element"
++ */
++struct ieee80211_ext_chansw_ie {
++ u8 mode;
++ u8 new_operating_class;
++ u8 new_ch_num;
++ u8 count;
++} __packed;
++
++/**
++ * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
++ * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
++ * values here
++ * This structure represents the "Secondary Channel Offset element"
++ */
++struct ieee80211_sec_chan_offs_ie {
++ u8 sec_chan_offs;
++} __packed;
+
-+ val = (i->flags & ATH9K_TXDESC_PAPRD) >> ATH9K_TXDESC_PAPRD_S;
-+ ctl12 |= SM(val, AR_PAPRDChainMask);
++/**
++ * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
++ */
++struct ieee80211_wide_bw_chansw_ie {
++ u8 new_channel_width;
++ u8 new_center_freq_seg0, new_center_freq_seg1;
++} __packed;
+
-+ ACCESS_ONCE(ads->ctl12) = ctl12;
-+ ACCESS_ONCE(ads->ctl17) = ctl17;
++/**
+ * struct ieee80211_tim
+ *
+ * This structure refers to "Traffic Indication Map information element"
+@@ -840,12 +870,15 @@ struct ieee80211_mgmt {
+ } __packed wme_action;
+ struct{
+ u8 action_code;
+- u8 element_id;
+- u8 length;
+- struct ieee80211_channel_sw_ie sw_elem;
++ u8 variable[0];
+ } __packed chan_switch;
+ struct{
+ u8 action_code;
++ struct ieee80211_ext_chansw_ie data;
++ u8 variable[0];
++ } __packed ext_chan_switch;
++ struct{
++ u8 action_code;
+ u8 dialog_token;
+ u8 element_id;
+ u8 length;
+@@ -1638,6 +1671,7 @@ enum ieee80211_eid {
+
+ WLAN_EID_HT_CAPABILITY = 45,
+ WLAN_EID_HT_OPERATION = 61,
++ WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
+
+ WLAN_EID_RSN = 48,
+ WLAN_EID_MMIE = 76,
+@@ -1672,6 +1706,8 @@ enum ieee80211_eid {
+ WLAN_EID_VHT_CAPABILITY = 191,
+ WLAN_EID_VHT_OPERATION = 192,
+ WLAN_EID_OPMODE_NOTIF = 199,
++ WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
++ WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
+
+ /* 802.11ad */
+ WLAN_EID_NON_TX_BSSID_CAP = 83,
+@@ -1795,6 +1831,7 @@ enum ieee80211_key_len {
+
+ /* Public action codes */
+ enum ieee80211_pub_actioncode {
++ WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
+ WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
+ };
+
+--- a/include/net/cfg80211.h
++++ b/include/net/cfg80211.h
+@@ -753,6 +753,8 @@ int cfg80211_check_station_change(struct
+ * @STATION_INFO_LOCAL_PM: @local_pm filled
+ * @STATION_INFO_PEER_PM: @peer_pm filled
+ * @STATION_INFO_NONPEER_PM: @nonpeer_pm filled
++ * @STATION_INFO_CHAIN_SIGNAL: @chain_signal filled
++ * @STATION_INFO_CHAIN_SIGNAL_AVG: @chain_signal_avg filled
+ */
+ enum station_info_flags {
+ STATION_INFO_INACTIVE_TIME = 1<<0,
+@@ -781,6 +783,8 @@ enum station_info_flags {
+ STATION_INFO_NONPEER_PM = 1<<23,
+ STATION_INFO_RX_BYTES64 = 1<<24,
+ STATION_INFO_TX_BYTES64 = 1<<25,
++ STATION_INFO_CHAIN_SIGNAL = 1<<26,
++ STATION_INFO_CHAIN_SIGNAL_AVG = 1<<27,
+ };
+
+ /**
+@@ -857,6 +861,8 @@ struct sta_bss_parameters {
+ u16 beacon_interval;
+ };
+
++#define IEEE80211_MAX_CHAINS 4
+
-+ ACCESS_ONCE(ads->ctl15) = set11nPktDurRTSCTS(i->rates, 0)
-+ | set11nPktDurRTSCTS(i->rates, 1);
+ /**
+ * struct station_info - station information
+ *
+@@ -874,6 +880,9 @@ struct sta_bss_parameters {
+ * For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
+ * @signal_avg: Average signal strength, type depends on the wiphy's signal_type.
+ * For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
++ * @chains: bitmask for filled values in @chain_signal, @chain_signal_avg
++ * @chain_signal: per-chain signal strength of last received packet in dBm
++ * @chain_signal_avg: per-chain signal strength average in dBm
+ * @txrate: current unicast bitrate from this station
+ * @rxrate: current unicast bitrate to this station
+ * @rx_packets: packets received from this station
+@@ -909,6 +918,11 @@ struct station_info {
+ u8 plink_state;
+ s8 signal;
+ s8 signal_avg;
+
-+ ACCESS_ONCE(ads->ctl16) = set11nPktDurRTSCTS(i->rates, 2)
-+ | set11nPktDurRTSCTS(i->rates, 3);
++ u8 chains;
++ s8 chain_signal[IEEE80211_MAX_CHAINS];
++ s8 chain_signal_avg[IEEE80211_MAX_CHAINS];
+
-+ ACCESS_ONCE(ads->ctl18) = set11nRateFlags(i->rates, 0)
-+ | set11nRateFlags(i->rates, 1)
-+ | set11nRateFlags(i->rates, 2)
-+ | set11nRateFlags(i->rates, 3)
-+ | SM(i->rtscts_rate, AR_RTSCTSRate);
+ struct rate_info txrate;
+ struct rate_info rxrate;
+ u32 rx_packets;
+@@ -4027,6 +4041,17 @@ bool cfg80211_reg_can_beacon(struct wiph
+ void cfg80211_ch_switch_notify(struct net_device *dev,
+ struct cfg80211_chan_def *chandef);
+
++/**
++ * ieee80211_operating_class_to_band - convert operating class to band
++ *
++ * @operating_class: the operating class to convert
++ * @band: band pointer to fill
++ *
++ * Returns %true if the conversion was successful, %false otherwise.
++ */
++bool ieee80211_operating_class_to_band(u8 operating_class,
++ enum ieee80211_band *band);
+
-+ ACCESS_ONCE(ads->ctl19) = AR_Not_Sounding;
-+}
+ /*
+ * cfg80211_tdls_oper_request - request userspace to perform TDLS operation
+ * @dev: the device on which the operation is requested
+--- a/include/net/mac80211.h
++++ b/include/net/mac80211.h
+@@ -210,7 +210,7 @@ struct ieee80211_chanctx_conf {
+ * @BSS_CHANGED_QOS: QoS for this association was enabled/disabled. Note
+ * that it is only ever disabled for station mode.
+ * @BSS_CHANGED_IDLE: Idle changed for this BSS/interface.
+- * @BSS_CHANGED_SSID: SSID changed for this BSS (AP mode)
++ * @BSS_CHANGED_SSID: SSID changed for this BSS (AP and IBSS mode)
+ * @BSS_CHANGED_AP_PROBE_RESP: Probe Response changed for this BSS (AP mode)
+ * @BSS_CHANGED_PS: PS changed for this BSS (STA mode)
+ * @BSS_CHANGED_TXPOWER: TX power setting changed for this interface
+@@ -327,7 +327,7 @@ enum ieee80211_rssi_event {
+ * your driver/device needs to do.
+ * @ps: power-save mode (STA only). This flag is NOT affected by
+ * offchannel/dynamic_ps operations.
+- * @ssid: The SSID of the current vif. Only valid in AP-mode.
++ * @ssid: The SSID of the current vif. Valid in AP and IBSS mode.
+ * @ssid_len: Length of SSID given in @ssid.
+ * @hidden_ssid: The SSID of the current vif is hidden. Only valid in AP-mode.
+ * @txpower: TX power in dBm
+@@ -562,6 +562,9 @@ enum mac80211_rate_control_flags {
+ /* maximum number of rate stages */
+ #define IEEE80211_TX_MAX_RATES 4
+
++/* maximum number of rate table entries */
++#define IEEE80211_TX_RATE_TABLE_SIZE 4
+
- static u16 ar9003_calc_ptr_chksum(struct ar9003_txc *ads)
- {
- int checksum;
-@@ -185,47 +311,6 @@ static bool ar9003_hw_get_isr(struct ath
- return true;
- }
-
--static void ar9003_hw_fill_txdesc(struct ath_hw *ah, void *ds, u32 seglen,
-- bool is_firstseg, bool is_lastseg,
-- const void *ds0, dma_addr_t buf_addr,
-- unsigned int qcu)
--{
-- struct ar9003_txc *ads = (struct ar9003_txc *) ds;
-- unsigned int descid = 0;
--
-- ads->info = (ATHEROS_VENDOR_ID << AR_DescId_S) |
-- (1 << AR_TxRxDesc_S) |
-- (1 << AR_CtrlStat_S) |
-- (qcu << AR_TxQcuNum_S) | 0x17;
--
-- ads->data0 = buf_addr;
-- ads->data1 = 0;
-- ads->data2 = 0;
-- ads->data3 = 0;
--
-- ads->ctl3 = (seglen << AR_BufLen_S);
-- ads->ctl3 &= AR_BufLen;
--
-- /* Fill in pointer checksum and descriptor id */
-- ads->ctl10 = ar9003_calc_ptr_chksum(ads);
-- ads->ctl10 |= (descid << AR_TxDescId_S);
--
-- if (is_firstseg) {
-- ads->ctl12 |= (is_lastseg ? 0 : AR_TxMore);
-- } else if (is_lastseg) {
-- ads->ctl11 = 0;
-- ads->ctl12 = 0;
-- ads->ctl13 = AR9003TXC_CONST(ds0)->ctl13;
-- ads->ctl14 = AR9003TXC_CONST(ds0)->ctl14;
-- } else {
-- /* XXX Intermediate descriptor in a multi-descriptor frame.*/
-- ads->ctl11 = 0;
-- ads->ctl12 = AR_TxMore;
-- ads->ctl13 = 0;
-- ads->ctl14 = 0;
-- }
--}
--
- static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
- struct ath_tx_status *ts)
+ /**
+ * struct ieee80211_tx_rate - rate selection/status
+ *
+@@ -602,8 +605,8 @@ static inline void ieee80211_rate_set_vh
+ u8 mcs, u8 nss)
{
-@@ -310,161 +395,6 @@ static int ar9003_hw_proc_txdesc(struct
- return 0;
+ WARN_ON(mcs & ~0xF);
+- WARN_ON(nss & ~0x7);
+- rate->idx = (nss << 4) | mcs;
++ WARN_ON((nss - 1) & ~0x7);
++ rate->idx = ((nss - 1) << 4) | mcs;
}
--static void ar9003_hw_set11n_txdesc(struct ath_hw *ah, void *ds,
-- u32 pktlen, enum ath9k_pkt_type type, u32 txpower,
-- u8 keyIx, enum ath9k_key_type keyType, u32 flags)
--{
-- struct ar9003_txc *ads = (struct ar9003_txc *) ds;
--
-- if (txpower > ah->txpower_limit)
-- txpower = ah->txpower_limit;
--
-- if (txpower > 63)
-- txpower = 63;
--
-- ads->ctl11 = (pktlen & AR_FrameLen)
-- | (flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0)
-- | SM(txpower, AR_XmitPower)
-- | (flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0)
-- | (keyIx != ATH9K_TXKEYIX_INVALID ? AR_DestIdxValid : 0)
-- | (flags & ATH9K_TXDESC_LOWRXCHAIN ? AR_LowRxChain : 0);
--
-- ads->ctl12 =
-- (keyIx != ATH9K_TXKEYIX_INVALID ? SM(keyIx, AR_DestIdx) : 0)
-- | SM(type, AR_FrameType)
-- | (flags & ATH9K_TXDESC_NOACK ? AR_NoAck : 0)
-- | (flags & ATH9K_TXDESC_EXT_ONLY ? AR_ExtOnly : 0)
-- | (flags & ATH9K_TXDESC_EXT_AND_CTL ? AR_ExtAndCtl : 0);
--
-- ads->ctl17 = SM(keyType, AR_EncrType) |
-- (flags & ATH9K_TXDESC_LDPC ? AR_LDPC : 0);
-- ads->ctl18 = 0;
-- ads->ctl19 = AR_Not_Sounding;
--
-- ads->ctl20 = 0;
-- ads->ctl21 = 0;
-- ads->ctl22 = 0;
--}
--
--static void ar9003_hw_set_clrdmask(struct ath_hw *ah, void *ds, bool val)
--{
-- struct ar9003_txc *ads = (struct ar9003_txc *) ds;
--
-- if (val)
-- ads->ctl11 |= AR_ClrDestMask;
-- else
-- ads->ctl11 &= ~AR_ClrDestMask;
--}
--
--static void ar9003_hw_set11n_ratescenario(struct ath_hw *ah, void *ds,
-- void *lastds,
-- u32 durUpdateEn, u32 rtsctsRate,
-- u32 rtsctsDuration,
-- struct ath9k_11n_rate_series series[],
-- u32 nseries, u32 flags)
--{
-- struct ar9003_txc *ads = (struct ar9003_txc *) ds;
-- struct ar9003_txc *last_ads = (struct ar9003_txc *) lastds;
-- u_int32_t ctl11;
--
-- if (flags & (ATH9K_TXDESC_RTSENA | ATH9K_TXDESC_CTSENA)) {
-- ctl11 = ads->ctl11;
--
-- if (flags & ATH9K_TXDESC_RTSENA) {
-- ctl11 &= ~AR_CTSEnable;
-- ctl11 |= AR_RTSEnable;
-- } else {
-- ctl11 &= ~AR_RTSEnable;
-- ctl11 |= AR_CTSEnable;
-- }
--
-- ads->ctl11 = ctl11;
-- } else {
-- ads->ctl11 = (ads->ctl11 & ~(AR_RTSEnable | AR_CTSEnable));
-- }
--
-- ads->ctl13 = set11nTries(series, 0)
-- | set11nTries(series, 1)
-- | set11nTries(series, 2)
-- | set11nTries(series, 3)
-- | (durUpdateEn ? AR_DurUpdateEna : 0)
-- | SM(0, AR_BurstDur);
--
-- ads->ctl14 = set11nRate(series, 0)
-- | set11nRate(series, 1)
-- | set11nRate(series, 2)
-- | set11nRate(series, 3);
--
-- ads->ctl15 = set11nPktDurRTSCTS(series, 0)
-- | set11nPktDurRTSCTS(series, 1);
--
-- ads->ctl16 = set11nPktDurRTSCTS(series, 2)
-- | set11nPktDurRTSCTS(series, 3);
--
-- ads->ctl18 = set11nRateFlags(series, 0)
-- | set11nRateFlags(series, 1)
-- | set11nRateFlags(series, 2)
-- | set11nRateFlags(series, 3)
-- | SM(rtsctsRate, AR_RTSCTSRate);
-- ads->ctl19 = AR_Not_Sounding;
--
-- last_ads->ctl13 = ads->ctl13;
-- last_ads->ctl14 = ads->ctl14;
--}
--
--static void ar9003_hw_set11n_aggr_first(struct ath_hw *ah, void *ds,
-- u32 aggrLen)
--{
-- struct ar9003_txc *ads = (struct ar9003_txc *) ds;
--
-- ads->ctl12 |= (AR_IsAggr | AR_MoreAggr);
--
-- ads->ctl17 &= ~AR_AggrLen;
-- ads->ctl17 |= SM(aggrLen, AR_AggrLen);
--}
--
--static void ar9003_hw_set11n_aggr_middle(struct ath_hw *ah, void *ds,
-- u32 numDelims)
--{
-- struct ar9003_txc *ads = (struct ar9003_txc *) ds;
-- unsigned int ctl17;
--
-- ads->ctl12 |= (AR_IsAggr | AR_MoreAggr);
--
-- /*
-- * We use a stack variable to manipulate ctl6 to reduce uncached
-- * read modify, modfiy, write.
-- */
-- ctl17 = ads->ctl17;
-- ctl17 &= ~AR_PadDelim;
-- ctl17 |= SM(numDelims, AR_PadDelim);
-- ads->ctl17 = ctl17;
--}
--
--static void ar9003_hw_set11n_aggr_last(struct ath_hw *ah, void *ds)
--{
-- struct ar9003_txc *ads = (struct ar9003_txc *) ds;
--
-- ads->ctl12 |= AR_IsAggr;
-- ads->ctl12 &= ~AR_MoreAggr;
-- ads->ctl17 &= ~AR_PadDelim;
--}
--
--static void ar9003_hw_clr11n_aggr(struct ath_hw *ah, void *ds)
--{
-- struct ar9003_txc *ads = (struct ar9003_txc *) ds;
--
-- ads->ctl12 &= (~AR_IsAggr & ~AR_MoreAggr);
--}
--
--void ar9003_hw_set_paprd_txdesc(struct ath_hw *ah, void *ds, u8 chains)
--{
-- struct ar9003_txc *ads = ds;
--
-- ads->ctl12 |= SM(chains, AR_PAPRDChainMask);
--}
--EXPORT_SYMBOL(ar9003_hw_set_paprd_txdesc);
--
- void ar9003_hw_attach_mac_ops(struct ath_hw *hw)
+ static inline u8
+@@ -615,7 +618,7 @@ ieee80211_rate_get_vht_mcs(const struct
+ static inline u8
+ ieee80211_rate_get_vht_nss(const struct ieee80211_tx_rate *rate)
{
- struct ath_hw_ops *ops = ath9k_hw_ops(hw);
-@@ -472,15 +402,8 @@ void ar9003_hw_attach_mac_ops(struct ath
- ops->rx_enable = ar9003_hw_rx_enable;
- ops->set_desc_link = ar9003_hw_set_desc_link;
- ops->get_isr = ar9003_hw_get_isr;
-- ops->fill_txdesc = ar9003_hw_fill_txdesc;
-+ ops->set_txdesc = ar9003_set_txdesc;
- ops->proc_txdesc = ar9003_hw_proc_txdesc;
-- ops->set11n_txdesc = ar9003_hw_set11n_txdesc;
-- ops->set11n_ratescenario = ar9003_hw_set11n_ratescenario;
-- ops->set11n_aggr_first = ar9003_hw_set11n_aggr_first;
-- ops->set11n_aggr_middle = ar9003_hw_set11n_aggr_middle;
-- ops->set11n_aggr_last = ar9003_hw_set11n_aggr_last;
-- ops->clr11n_aggr = ar9003_hw_clr11n_aggr;
-- ops->set_clrdmask = ar9003_hw_set_clrdmask;
+- return rate->idx >> 4;
++ return (rate->idx >> 4) + 1;
}
- void ath9k_hw_set_rx_bufsize(struct ath_hw *ah, u16 buf_size)
---- a/drivers/net/wireless/ath/ath9k/ath9k.h
-+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -87,17 +87,14 @@ struct ath_config {
- * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX)
- * @BUF_AGGR: Indicates whether the buffer can be aggregated
- * (used in aggregation scheduling)
-- * @BUF_XRETRY: To denote excessive retries of the buffer
+ /**
+@@ -656,7 +659,11 @@ struct ieee80211_tx_info {
+ struct ieee80211_tx_rate rates[
+ IEEE80211_TX_MAX_RATES];
+ s8 rts_cts_rate_idx;
+- /* 3 bytes free */
++ u8 use_rts:1;
++ u8 use_cts_prot:1;
++ u8 short_preamble:1;
++ u8 skip_table:1;
++ /* 2 bytes free */
+ };
+ /* only needed before rate control */
+ unsigned long jiffies;
+@@ -677,6 +684,8 @@ struct ieee80211_tx_info {
+ struct {
+ struct ieee80211_tx_rate driver_rates[
+ IEEE80211_TX_MAX_RATES];
++ u8 pad[4];
++
+ void *rate_driver_data[
+ IEEE80211_TX_INFO_RATE_DRIVER_DATA_SIZE / sizeof(void *)];
+ };
+@@ -840,6 +849,9 @@ enum mac80211_rx_flags {
+ * @signal: signal strength when receiving this frame, either in dBm, in dB or
+ * unspecified depending on the hardware capabilities flags
+ * @IEEE80211_HW_SIGNAL_*
++ * @chains: bitmask of receive chains for which separate signal strength
++ * values were filled.
++ * @chain_signal: per-chain signal strength, same format as @signal
+ * @antenna: antenna used
+ * @rate_idx: index of data rate into band's supported rates or MCS index if
+ * HT or VHT is used (%RX_FLAG_HT/%RX_FLAG_VHT)
+@@ -871,6 +883,8 @@ struct ieee80211_rx_status {
+ u8 band;
+ u8 antenna;
+ s8 signal;
++ u8 chains;
++ s8 chain_signal[IEEE80211_MAX_CHAINS];
+ u8 ampdu_delimiter_crc;
+ u8 vendor_radiotap_align;
+ u8 vendor_radiotap_oui[3];
+@@ -1018,13 +1032,13 @@ struct ieee80211_conf {
+ * the driver passed into mac80211.
+ * @block_tx: Indicates whether transmission must be blocked before the
+ * scheduled channel switch, as indicated by the AP.
+- * @channel: the new channel to switch to
++ * @chandef: the new channel to switch to
+ * @count: the number of TBTT's until the channel switch event
*/
- enum buffer_type {
- BUF_AMPDU = BIT(0),
- BUF_AGGR = BIT(1),
-- BUF_XRETRY = BIT(2),
+ struct ieee80211_channel_switch {
+ u64 timestamp;
+ bool block_tx;
+- struct ieee80211_channel *channel;
++ struct cfg80211_chan_def chandef;
+ u8 count;
};
- #define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU)
- #define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR)
--#define bf_isxretried(bf) (bf->bf_state.bf_type & BUF_XRETRY)
-
- #define ATH_TXSTATUS_RING_SIZE 64
+@@ -1222,6 +1236,24 @@ enum ieee80211_sta_rx_bandwidth {
+ };
-@@ -216,6 +213,7 @@ struct ath_frame_info {
- struct ath_buf_state {
- u8 bf_type;
- u8 bfs_paprd;
-+ u8 ndelim;
- u16 seqno;
- unsigned long bfs_paprd_timestamp;
+ /**
++ * struct ieee80211_sta_rates - station rate selection table
++ *
++ * @rcu_head: RCU head used for freeing the table on update
++ * @rates: transmit rates/flags to be used by default.
++ * Overriding entries per-packet is possible by using cb tx control.
++ */
++struct ieee80211_sta_rates {
++ struct rcu_head rcu_head;
++ struct {
++ s8 idx;
++ u8 count;
++ u8 count_cts;
++ u8 count_rts;
++ u16 flags;
++ } rate[IEEE80211_TX_RATE_TABLE_SIZE];
++};
++
++/**
+ * struct ieee80211_sta - station table entry
+ *
+ * A station table entry represents a station we are possibly
+@@ -1248,6 +1280,7 @@ enum ieee80211_sta_rx_bandwidth {
+ * notifications and capabilities. The value is only valid after
+ * the station moves to associated state.
+ * @smps_mode: current SMPS mode (off, static or dynamic)
++ * @tx_rates: rate control selection table
+ */
+ struct ieee80211_sta {
+ u32 supp_rates[IEEE80211_NUM_BANDS];
+@@ -1261,6 +1294,7 @@ struct ieee80211_sta {
+ u8 rx_nss;
+ enum ieee80211_sta_rx_bandwidth bandwidth;
+ enum ieee80211_smps_mode smps_mode;
++ struct ieee80211_sta_rates __rcu *rates;
+
+ /* must be last */
+ u8 drv_priv[0] __aligned(sizeof(void *));
+@@ -1416,6 +1450,9 @@ struct ieee80211_tx_control {
+ * for different virtual interfaces. See the doc section on HW queue
+ * control for more details.
+ *
++ * @IEEE80211_HW_SUPPORTS_RC_TABLE: The driver supports using a rate
++ * selection table provided by the rate control algorithm.
++ *
+ * @IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF: Use the P2P Device address for any
+ * P2P Interface. This will be honoured even if more than one interface
+ * is supported.
+@@ -1448,6 +1485,7 @@ enum ieee80211_hw_flags {
+ IEEE80211_HW_SUPPORTS_PER_STA_GTK = 1<<21,
+ IEEE80211_HW_AP_LINK_PS = 1<<22,
+ IEEE80211_HW_TX_AMPDU_SETUP_IN_HW = 1<<23,
++ IEEE80211_HW_SUPPORTS_RC_TABLE = 1<<24,
+ IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF = 1<<25,
+ IEEE80211_HW_TIMING_BEACON_ONLY = 1<<26,
};
-@@ -230,7 +228,6 @@ struct ath_buf {
- dma_addr_t bf_daddr; /* physical addr of desc */
- dma_addr_t bf_buf_addr; /* physical addr of data buffer, for DMA */
- bool bf_stale;
-- u16 bf_flags;
- struct ath_buf_state bf_state;
+@@ -3144,6 +3182,25 @@ void ieee80211_sta_set_buffered(struct i
+ u8 tid, bool buffered);
+
+ /**
++ * ieee80211_get_tx_rates - get the selected transmit rates for a packet
++ *
++ * Call this function in a driver with per-packet rate selection support
++ * to combine the rate info in the packet tx info with the most recent
++ * rate selection table for the station entry.
++ *
++ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
++ * @sta: the receiver station to which this packet is sent.
++ * @skb: the frame to be transmitted.
++ * @dest: buffer for extracted rate/retry information
++ * @max_rates: maximum number of rates to fetch
++ */
++void ieee80211_get_tx_rates(struct ieee80211_vif *vif,
++ struct ieee80211_sta *sta,
++ struct sk_buff *skb,
++ struct ieee80211_tx_rate *dest,
++ int max_rates);
++
++/**
+ * ieee80211_tx_status - transmit status callback
+ *
+ * Call this function for all transmitted frames after they have been
+@@ -4118,7 +4175,7 @@ void ieee80211_send_bar(struct ieee80211
+ * (deprecated; this will be removed once drivers get updated to use
+ * rate_idx_mask)
+ * @rate_idx_mask: user-requested (legacy) rate mask
+- * @rate_idx_mcs_mask: user-requested MCS rate mask
++ * @rate_idx_mcs_mask: user-requested MCS rate mask (NULL if not in use)
+ * @bss: whether this frame is sent out in AP or IBSS mode
+ */
+ struct ieee80211_tx_rate_control {
+@@ -4130,7 +4187,7 @@ struct ieee80211_tx_rate_control {
+ bool rts, short_preamble;
+ u8 max_rate_idx;
+ u32 rate_idx_mask;
+- u8 rate_idx_mcs_mask[IEEE80211_HT_MCS_MASK_LEN];
++ u8 *rate_idx_mcs_mask;
+ bool bss;
};
-@@ -277,8 +274,7 @@ struct ath_tx_control {
- };
+@@ -4219,6 +4276,22 @@ bool rate_usable_index_exists(struct iee
+ return false;
+ }
+
++/**
++ * rate_control_set_rates - pass the sta rate selection to mac80211/driver
++ *
++ * When not doing a rate control probe to test rates, rate control should pass
++ * its rate selection to mac80211. If the driver supports receiving a station
++ * rate table, it will use it to ensure that frames are always sent based on
++ * the most recent rate control module decision.
++ *
++ * @hw: pointer as obtained from ieee80211_alloc_hw()
++ * @pubsta: &struct ieee80211_sta pointer to the target destination.
++ * @rates: new tx rate set to be used for this station.
++ */
++int rate_control_set_rates(struct ieee80211_hw *hw,
++ struct ieee80211_sta *pubsta,
++ struct ieee80211_sta_rates *rates);
++
+ int ieee80211_rate_control_register(struct rate_control_ops *ops);
+ void ieee80211_rate_control_unregister(struct rate_control_ops *ops);
+
+--- a/net/mac80211/agg-rx.c
++++ b/net/mac80211/agg-rx.c
+@@ -204,6 +204,8 @@ 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);
+@@ -527,6 +528,7 @@ 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/cfg.c
++++ b/net/mac80211/cfg.c
+@@ -444,7 +444,7 @@ static void sta_set_sinfo(struct sta_inf
+ struct ieee80211_local *local = sdata->local;
+ struct timespec uptime;
+ u64 packets = 0;
+- int ac;
++ int i, ac;
+
+ sinfo->generation = sdata->local->sta_generation;
+
+@@ -488,6 +488,17 @@ static void sta_set_sinfo(struct sta_inf
+ sinfo->signal = (s8)sta->last_signal;
+ sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
+ }
++ if (sta->chains) {
++ sinfo->filled |= STATION_INFO_CHAIN_SIGNAL |
++ STATION_INFO_CHAIN_SIGNAL_AVG;
++
++ sinfo->chains = sta->chains;
++ for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
++ sinfo->chain_signal[i] = sta->chain_signal_last[i];
++ sinfo->chain_signal_avg[i] =
++ (s8) -ewma_read(&sta->chain_signal_avg[i]);
++ }
++ }
+
+ sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
+ sta_set_rate_info_rx(sta, &sinfo->rxrate);
+@@ -1052,6 +1063,7 @@ static int ieee80211_stop_ap(struct wiph
+ ieee80211_free_keys(sdata);
+
+ sdata->vif.bss_conf.enable_beacon = false;
++ sdata->vif.bss_conf.ssid_len = 0;
+ clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
+
+@@ -2416,9 +2428,22 @@ static int ieee80211_set_bitrate_mask(st
+ }
+
+ for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
++ struct ieee80211_supported_band *sband = wiphy->bands[i];
++ int j;
++
+ sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
+ memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
+ sizeof(mask->control[i].mcs));
++
++ sdata->rc_has_mcs_mask[i] = false;
++ if (!sband)
++ continue;
++
++ for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
++ if (~sdata->rc_rateidx_mcs_mask[i][j]) {
++ sdata->rc_has_mcs_mask[i] = true;
++ break;
++ }
+ }
+
+ return 0;
+--- a/net/mac80211/chan.c
++++ b/net/mac80211/chan.c
+@@ -57,6 +57,22 @@ ieee80211_find_chanctx(struct ieee80211_
+ return NULL;
+ }
+
++static bool ieee80211_is_radar_required(struct ieee80211_local *local)
++{
++ struct ieee80211_sub_if_data *sdata;
++
++ rcu_read_lock();
++ list_for_each_entry_rcu(sdata, &local->interfaces, list) {
++ if (sdata->radar_required) {
++ rcu_read_unlock();
++ return true;
++ }
++ }
++ rcu_read_unlock();
++
++ return false;
++}
++
+ static struct ieee80211_chanctx *
+ ieee80211_new_chanctx(struct ieee80211_local *local,
+ const struct cfg80211_chan_def *chandef,
+@@ -76,6 +92,9 @@ ieee80211_new_chanctx(struct ieee80211_l
+ ctx->conf.rx_chains_static = 1;
+ ctx->conf.rx_chains_dynamic = 1;
+ ctx->mode = mode;
++ ctx->conf.radar_enabled = ieee80211_is_radar_required(local);
++ if (!local->use_chanctx)
++ local->hw.conf.radar_enabled = ctx->conf.radar_enabled;
+
+ /* acquire mutex to prevent idle from changing */
+ mutex_lock(&local->mtx);
+@@ -110,6 +129,7 @@ ieee80211_new_chanctx(struct ieee80211_l
+ static void ieee80211_free_chanctx(struct ieee80211_local *local,
+ struct ieee80211_chanctx *ctx)
+ {
++ bool check_single_channel = false;
+ lockdep_assert_held(&local->chanctx_mtx);
+
+ WARN_ON_ONCE(ctx->refcount != 0);
+@@ -119,6 +139,14 @@ static void ieee80211_free_chanctx(struc
+ chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
+ chandef->center_freq1 = chandef->chan->center_freq;
+ chandef->center_freq2 = 0;
++
++ /* NOTE: Disabling radar is only valid here for
++ * single channel context. To be sure, check it ...
++ */
++ if (local->hw.conf.radar_enabled)
++ check_single_channel = true;
++ local->hw.conf.radar_enabled = false;
++
+ ieee80211_hw_config(local, 0);
+ } else {
+ drv_remove_chanctx(local, ctx);
+@@ -127,6 +155,9 @@ static void ieee80211_free_chanctx(struc
+ list_del_rcu(&ctx->list);
+ kfree_rcu(ctx, rcu_head);
+
++ /* throw a warning if this wasn't the only channel context. */
++ WARN_ON(check_single_channel && !list_empty(&local->chanctx_list));
++
+ mutex_lock(&local->mtx);
+ ieee80211_recalc_idle(local);
+ mutex_unlock(&local->mtx);
+@@ -238,19 +269,11 @@ static void __ieee80211_vif_release_chan
+ void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local,
+ struct ieee80211_chanctx *chanctx)
+ {
+- struct ieee80211_sub_if_data *sdata;
+- bool radar_enabled = false;
++ bool radar_enabled;
+
+ lockdep_assert_held(&local->chanctx_mtx);
- #define ATH_TX_ERROR 0x01
--#define ATH_TX_XRETRY 0x02
--#define ATH_TX_BAR 0x04
-+#define ATH_TX_BAR 0x02
+- rcu_read_lock();
+- list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+- if (sdata->radar_required) {
+- radar_enabled = true;
+- break;
+- }
+- }
+- rcu_read_unlock();
++ radar_enabled = ieee80211_is_radar_required(local);
- /**
- * @txq_map: Index is mac80211 queue number. This is
---- a/drivers/net/wireless/ath/ath9k/beacon.c
-+++ b/drivers/net/wireless/ath/ath9k/beacon.c
-@@ -73,44 +73,39 @@ static void ath_beacon_setup(struct ath_
- struct sk_buff *skb = bf->bf_mpdu;
- struct ath_hw *ah = sc->sc_ah;
- struct ath_common *common = ath9k_hw_common(ah);
-- struct ath_desc *ds;
-- struct ath9k_11n_rate_series series[4];
-- int flags, ctsrate = 0, ctsduration = 0;
-+ struct ath_tx_info info;
- struct ieee80211_supported_band *sband;
-+ u8 chainmask = ah->txchainmask;
- u8 rate = 0;
+ if (radar_enabled == chanctx->conf.radar_enabled)
+ return;
+--- a/net/mac80211/debugfs_sta.c
++++ b/net/mac80211/debugfs_sta.c
+@@ -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),
+- "%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%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/ibss.c
++++ b/net/mac80211/ibss.c
+@@ -209,6 +209,8 @@ static void __ieee80211_sta_join_ibss(st
+ sdata->vif.bss_conf.enable_beacon = true;
+ sdata->vif.bss_conf.beacon_int = beacon_int;
+ sdata->vif.bss_conf.basic_rates = basic_rates;
++ sdata->vif.bss_conf.ssid_len = ifibss->ssid_len;
++ memcpy(sdata->vif.bss_conf.ssid, ifibss->ssid, ifibss->ssid_len);
+ bss_change = BSS_CHANGED_BEACON_INT;
+ bss_change |= ieee80211_reset_erp_info(sdata);
+ bss_change |= BSS_CHANGED_BSSID;
+@@ -217,6 +219,7 @@ static void __ieee80211_sta_join_ibss(st
+ bss_change |= BSS_CHANGED_BASIC_RATES;
+ bss_change |= BSS_CHANGED_HT;
+ bss_change |= BSS_CHANGED_IBSS;
++ bss_change |= BSS_CHANGED_SSID;
- ath9k_reset_beacon_status(sc);
+ /*
+ * In 5 GHz/802.11a, we can always use short slot time.
+@@ -911,7 +914,7 @@ void ieee80211_rx_mgmt_probe_beacon(stru
+ return;
-- ds = bf->bf_desc;
-- flags = ATH9K_TXDESC_NOACK;
--
-- ds->ds_link = 0;
--
- sband = &sc->sbands[common->hw->conf.channel->band];
- rate = sband->bitrates[rateidx].hw_value;
- if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
- rate |= sband->bitrates[rateidx].hw_value_short;
-
-- ath9k_hw_set11n_txdesc(ah, ds, skb->len + FCS_LEN,
-- ATH9K_PKT_TYPE_BEACON,
-- MAX_RATE_POWER,
-- ATH9K_TXKEYIX_INVALID,
-- ATH9K_KEY_TYPE_CLEAR,
-- flags);
--
-- /* NB: beacon's BufLen must be a multiple of 4 bytes */
-- ath9k_hw_filltxdesc(ah, ds, roundup(skb->len, 4),
-- true, true, ds, bf->bf_buf_addr,
-- sc->beacon.beaconq);
--
-- memset(series, 0, sizeof(struct ath9k_11n_rate_series) * 4);
-- series[0].Tries = 1;
-- series[0].Rate = rate;
-- series[0].ChSel = ath_txchainmask_reduction(sc,
-- ah->txchainmask, series[0].Rate);
-- series[0].RateFlags = (ctsrate) ? ATH9K_RATESERIES_RTS_CTS : 0;
-- ath9k_hw_set11n_ratescenario(ah, ds, ds, 0, ctsrate, ctsduration,
-- series, 4, 0);
-+ memset(&info, 0, sizeof(info));
-+ info.pkt_len = skb->len + FCS_LEN;
-+ info.type = ATH9K_PKT_TYPE_BEACON;
-+ info.txpower = MAX_RATE_POWER;
-+ info.keyix = ATH9K_TXKEYIX_INVALID;
-+ info.keytype = ATH9K_KEY_TYPE_CLEAR;
-+ info.flags = ATH9K_TXDESC_NOACK;
-+
-+ info.buf_addr[0] = bf->bf_buf_addr;
-+ info.buf_len[0] = roundup(skb->len, 4);
-+
-+ info.is_first = true;
-+ info.is_last = true;
-+
-+ info.qcu = sc->beacon.beaconq;
-+
-+ info.rates[0].Tries = 1;
-+ info.rates[0].Rate = rate;
-+ info.rates[0].ChSel = ath_txchainmask_reduction(sc, chainmask, rate);
-+
-+ ath9k_hw_set_txdesc(ah, bf->bf_desc, &info);
- }
+ ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
+- &elems);
++ false, &elems);
- static void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb)
-@@ -517,6 +512,7 @@ static void ath_beacon_config_ap(struct
- /* Set the computed AP beacon timers */
-
- ath9k_hw_disable_interrupts(ah);
-+ sc->sc_flags |= SC_OP_TSF_RESET;
- ath9k_beacon_init(sc, nexttbtt, intval);
- sc->beacon.bmisscnt = 0;
- ath9k_hw_set_interrupts(ah, ah->imask);
---- a/drivers/net/wireless/ath/ath9k/debug.c
-+++ b/drivers/net/wireless/ath/ath9k/debug.c
-@@ -826,7 +826,8 @@ static ssize_t read_file_misc(struct fil
+ ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
}
+@@ -1159,6 +1162,7 @@ int ieee80211_ibss_leave(struct ieee8021
+ sdata->vif.bss_conf.ibss_joined = false;
+ sdata->vif.bss_conf.ibss_creator = false;
+ sdata->vif.bss_conf.enable_beacon = false;
++ sdata->vif.bss_conf.ssid_len = 0;
+ clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
+ BSS_CHANGED_IBSS);
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -156,6 +156,7 @@ struct ieee80211_tx_data {
+ struct ieee80211_sub_if_data *sdata;
+ struct sta_info *sta;
+ struct ieee80211_key *key;
++ struct ieee80211_tx_rate rate;
- void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
-- struct ath_tx_status *ts, struct ath_txq *txq)
-+ struct ath_tx_status *ts, struct ath_txq *txq,
-+ unsigned int flags)
- {
- #define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\
- [sc->debug.tsidx].c)
-@@ -836,12 +837,12 @@ void ath_debug_stat_tx(struct ath_softc
- sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
-
- if (bf_isampdu(bf)) {
-- if (bf_isxretried(bf))
-+ if (flags & ATH_TX_BAR)
- TX_STAT_INC(qnum, a_xretries);
- else
- TX_STAT_INC(qnum, a_completed);
- } else {
-- if (bf_isxretried(bf))
-+ if (ts->ts_status & ATH9K_TXERR_XRETRY)
- TX_STAT_INC(qnum, xretries);
- else
- TX_STAT_INC(qnum, completed);
---- a/drivers/net/wireless/ath/ath9k/debug.h
-+++ b/drivers/net/wireless/ath/ath9k/debug.h
-@@ -230,7 +230,8 @@ 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);
-+ struct ath_tx_status *ts, struct ath_txq *txq,
-+ unsigned int flags);
- void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs);
-
- #else
-@@ -252,7 +253,8 @@ static inline void ath_debug_stat_interr
- static inline void ath_debug_stat_tx(struct ath_softc *sc,
- struct ath_buf *bf,
- struct ath_tx_status *ts,
-- struct ath_txq *txq)
-+ struct ath_txq *txq,
-+ unsigned int flags)
- {
- }
+ unsigned int flags;
+ };
+@@ -740,6 +741,8 @@ struct ieee80211_sub_if_data {
---- a/drivers/net/wireless/ath/ath9k/hw-ops.h
-+++ b/drivers/net/wireless/ath/ath9k/hw-ops.h
-@@ -54,13 +54,10 @@ static inline bool ath9k_hw_getisr(struc
- return ath9k_hw_ops(ah)->get_isr(ah, masked);
+ /* bitmap of allowed (non-MCS) rate indexes for rate control */
+ u32 rc_rateidx_mask[IEEE80211_NUM_BANDS];
++
++ bool rc_has_mcs_mask[IEEE80211_NUM_BANDS];
+ u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN];
+
+ union {
+@@ -1025,7 +1028,7 @@ struct ieee80211_local {
+ enum mac80211_scan_state next_scan_state;
+ struct delayed_work scan_work;
+ struct ieee80211_sub_if_data __rcu *scan_sdata;
+- struct ieee80211_channel *csa_channel;
++ struct cfg80211_chan_def csa_chandef;
+ /* For backward compatibility only -- do not use */
+ struct cfg80211_chan_def _oper_chandef;
+
+@@ -1184,10 +1187,13 @@ struct ieee802_11_elems {
+ const u8 *perr;
+ const struct ieee80211_rann_ie *rann;
+ const struct ieee80211_channel_sw_ie *ch_switch_ie;
++ const struct ieee80211_ext_chansw_ie *ext_chansw_ie;
++ const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
+ const u8 *country_elem;
+ const u8 *pwr_constr_elem;
+ const struct ieee80211_timeout_interval_ie *timeout_int;
+ const u8 *opmode_notif;
++ const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
+
+ /* length of them, respectively */
+ u8 ssid_len;
+@@ -1258,10 +1264,6 @@ void ieee80211_recalc_ps_vif(struct ieee
+ int ieee80211_max_network_latency(struct notifier_block *nb,
+ unsigned long data, void *dummy);
+ int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata);
+-void
+-ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
+- const struct ieee80211_channel_sw_ie *sw_elem,
+- struct ieee80211_bss *bss, u64 timestamp);
+ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata);
+ void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+@@ -1499,13 +1501,13 @@ static inline void ieee80211_tx_skb(stru
+ ieee80211_tx_skb_tid(sdata, skb, 7);
}
--static inline void ath9k_hw_filltxdesc(struct ath_hw *ah, void *ds, u32 seglen,
-- bool is_firstseg, bool is_lastseg,
-- const void *ds0, dma_addr_t buf_addr,
-- unsigned int qcu)
-+static inline void ath9k_hw_set_txdesc(struct ath_hw *ah, void *ds,
-+ struct ath_tx_info *i)
+-u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
++u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, bool action,
+ struct ieee802_11_elems *elems,
+ u64 filter, u32 crc);
+-static inline void ieee802_11_parse_elems(u8 *start, size_t len,
++static inline void ieee802_11_parse_elems(u8 *start, size_t len, bool action,
+ struct ieee802_11_elems *elems)
{
-- ath9k_hw_ops(ah)->fill_txdesc(ah, ds, seglen, is_firstseg, is_lastseg,
-- ds0, buf_addr, qcu);
-+ return ath9k_hw_ops(ah)->set_txdesc(ah, ds, i);
+- ieee802_11_parse_elems_crc(start, len, elems, 0, 0);
++ ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0);
}
- static inline int ath9k_hw_txprocdesc(struct ath_hw *ah, void *ds,
-@@ -69,55 +66,6 @@ static inline int ath9k_hw_txprocdesc(st
- return ath9k_hw_ops(ah)->proc_txdesc(ah, ds, ts);
- }
+ u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
+--- a/net/mac80211/iface.c
++++ b/net/mac80211/iface.c
+@@ -450,7 +450,6 @@ 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;
+- struct sta_info *sta;
+ u32 changed = 0;
+ int res;
+ u32 hw_reconf_flags = 0;
+@@ -609,30 +608,8 @@ int ieee80211_do_open(struct wireless_de
--static inline void ath9k_hw_set11n_txdesc(struct ath_hw *ah, void *ds,
-- u32 pktLen, enum ath9k_pkt_type type,
-- u32 txPower, u32 keyIx,
-- enum ath9k_key_type keyType,
-- u32 flags)
--{
-- ath9k_hw_ops(ah)->set11n_txdesc(ah, ds, pktLen, type, txPower, keyIx,
-- keyType, flags);
--}
--
--static inline void ath9k_hw_set11n_ratescenario(struct ath_hw *ah, void *ds,
-- void *lastds,
-- u32 durUpdateEn, u32 rtsctsRate,
-- u32 rtsctsDuration,
-- struct ath9k_11n_rate_series series[],
-- u32 nseries, u32 flags)
--{
-- ath9k_hw_ops(ah)->set11n_ratescenario(ah, ds, lastds, durUpdateEn,
-- rtsctsRate, rtsctsDuration, series,
-- nseries, flags);
--}
--
--static inline void ath9k_hw_set11n_aggr_first(struct ath_hw *ah, void *ds,
-- u32 aggrLen)
--{
-- ath9k_hw_ops(ah)->set11n_aggr_first(ah, ds, aggrLen);
--}
--
--static inline void ath9k_hw_set11n_aggr_middle(struct ath_hw *ah, void *ds,
-- u32 numDelims)
--{
-- ath9k_hw_ops(ah)->set11n_aggr_middle(ah, ds, numDelims);
--}
--
--static inline void ath9k_hw_set11n_aggr_last(struct ath_hw *ah, void *ds)
--{
-- ath9k_hw_ops(ah)->set11n_aggr_last(ah, ds);
--}
+ 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;
+- }
-
--static inline void ath9k_hw_clr11n_aggr(struct ath_hw *ah, void *ds)
--{
-- ath9k_hw_ops(ah)->clr11n_aggr(ah, ds);
--}
+- 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);
-
--static inline void ath9k_hw_set_clrdmask(struct ath_hw *ah, void *ds, bool val)
--{
-- ath9k_hw_ops(ah)->set_clrdmask(ah, ds, val);
--}
+- res = sta_info_insert(sta);
+- if (res) {
+- /* STA has been freed */
+- goto err_del_interface;
+- }
-
- static inline void ath9k_hw_antdiv_comb_conf_get(struct ath_hw *ah,
- struct ath_hw_antcomb_conf *antconf)
- {
-@@ -233,11 +181,6 @@ static inline void ath9k_hw_restore_chai
- return ath9k_hw_private_ops(ah)->restore_chainmask(ah);
+- rate_control_rate_init(sta);
+- netif_carrier_on(dev);
+- } else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {
++ if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
+ rcu_assign_pointer(local->p2p_sdata, sdata);
+- }
+
+ /*
+ * set_multicast_list will be invoked by the networking core
+@@ -1092,6 +1069,74 @@ static void ieee80211_if_setup(struct ne
+ dev->destructor = free_netdev;
}
--static inline void ath9k_hw_set_diversity(struct ath_hw *ah, bool value)
--{
-- return ath9k_hw_private_ops(ah)->set_diversity(ah, value);
--}
--
- static inline bool ath9k_hw_ani_control(struct ath_hw *ah,
- enum ath9k_ani_cmd cmd, int param)
++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;
++ 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;
++
++ 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, false, &elems);
++
++ rates = ieee80211_sta_get_rates(local, &elems, band, NULL);
++
++ 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[band] = rates;
++
++ if (elems.ht_cap_elem)
++ ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
++ elems.ht_cap_elem, sta);
++
++ if (elems.wmm_param)
++ set_sta_flag(sta, WLAN_STA_WME);
++
++ if (new) {
++ 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);
++ rate_control_rate_init(sta);
++ sta_info_insert_rcu(sta);
++ }
++
++ rcu_read_unlock();
++}
++
+ static void ieee80211_iface_work(struct work_struct *work)
{
---- a/drivers/net/wireless/ath/ath9k/hw.c
-+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1496,14 +1496,16 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+ struct ieee80211_sub_if_data *sdata =
+@@ -1196,6 +1241,9 @@ 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/main.c
++++ b/net/mac80211/main.c
+@@ -674,6 +674,7 @@ int ieee80211_register_hw(struct ieee802
+ int channels, max_bitrates;
+ bool supp_ht, supp_vht;
+ netdev_features_t feature_whitelist;
++ struct cfg80211_chan_def dflt_chandef = {};
+ static const u32 cipher_suites[] = {
+ /* keep WEP first, it may be removed below */
+ WLAN_CIPHER_SUITE_WEP40,
+@@ -751,19 +752,19 @@ int ieee80211_register_hw(struct ieee802
+ sband = local->hw.wiphy->bands[band];
+ if (!sband)
+ continue;
+- if (!local->use_chanctx && !local->_oper_chandef.chan) {
++
++ if (!dflt_chandef.chan) {
++ cfg80211_chandef_create(&dflt_chandef,
++ &sband->channels[0],
++ NL80211_CHAN_NO_HT);
+ /* init channel we're on */
+- struct cfg80211_chan_def chandef = {
+- .chan = &sband->channels[0],
+- .width = NL80211_CHAN_NO_HT,
+- .center_freq1 = sband->channels[0].center_freq,
+- .center_freq2 = 0
+- };
+- local->hw.conf.chandef = local->_oper_chandef = chandef;
++ if (!local->use_chanctx && !local->_oper_chandef.chan) {
++ local->hw.conf.chandef = dflt_chandef;
++ local->_oper_chandef = dflt_chandef;
++ }
++ local->monitor_chandef = dflt_chandef;
+ }
+- cfg80211_chandef_create(&local->monitor_chandef,
+- &sband->channels[0],
+- NL80211_CHAN_NO_HT);
++
+ channels += sband->n_channels;
+
+ if (max_bitrates < sband->n_bitrates)
+--- a/net/mac80211/mesh.c
++++ b/net/mac80211/mesh.c
+@@ -838,7 +838,7 @@ ieee80211_mesh_rx_probe_req(struct ieee8
+ if (baselen > len)
+ return;
+
+- ieee802_11_parse_elems(pos, len - baselen, &elems);
++ ieee802_11_parse_elems(pos, len - baselen, false, &elems);
+
+ /* 802.11-2012 10.1.4.3.2 */
+ if ((!ether_addr_equal(mgmt->da, sdata->vif.addr) &&
+@@ -899,7 +899,7 @@ static void ieee80211_mesh_rx_bcn_presp(
+ return;
+
+ ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
+- &elems);
++ false, &elems);
+
+ /* ignore non-mesh or secure / unsecure mismatch */
+ if ((!elems.mesh_id || !elems.mesh_config) ||
+--- a/net/mac80211/mesh_hwmp.c
++++ b/net/mac80211/mesh_hwmp.c
+@@ -880,7 +880,7 @@ void mesh_rx_path_sel_frame(struct ieee8
+
+ baselen = (u8 *) mgmt->u.action.u.mesh_action.variable - (u8 *) mgmt;
+ ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable,
+- len - baselen, &elems);
++ len - baselen, false, &elems);
+
+ if (elems.preq) {
+ if (elems.preq_len != 37)
+--- a/net/mac80211/mesh_plink.c
++++ b/net/mac80211/mesh_plink.c
+@@ -544,8 +544,8 @@ static void mesh_plink_timer(unsigned lo
+ return;
}
- ah->noise = ath9k_hw_getchan_noise(ah, chan);
-
-+ if ((AR_SREV_9280(ah) && common->bus_ops->ath_bus_type == ATH_PCI) ||
-+ (AR_SREV_9300_20_OR_LATER(ah) && IS_CHAN_5GHZ(chan)))
-+ bChannelChange = false;
-+
- if (bChannelChange &&
- (ah->chip_fullsleep != true) &&
- (ah->curchan != NULL) &&
- (chan->channel != ah->curchan->channel) &&
- ((chan->channelFlags & CHANNEL_ALL) ==
-- (ah->curchan->channelFlags & CHANNEL_ALL)) &&
-- (!AR_SREV_9280(ah) || AR_DEVID_7010(ah))) {
--
-+ (ah->curchan->channelFlags & CHANNEL_ALL))) {
- if (ath9k_hw_channel_change(ah, chan)) {
- ath9k_hw_loadnf(ah, ah->curchan);
- ath9k_hw_start_nfcal(ah, true);
---- a/drivers/net/wireless/ath/ath9k/hw.h
-+++ b/drivers/net/wireless/ath/ath9k/hw.h
-@@ -583,7 +583,6 @@ struct ath_hw_private_ops {
- bool (*rfbus_req)(struct ath_hw *ah);
- void (*rfbus_done)(struct ath_hw *ah);
- void (*restore_chainmask)(struct ath_hw *ah);
-- void (*set_diversity)(struct ath_hw *ah, bool value);
- u32 (*compute_pll_control)(struct ath_hw *ah,
- struct ath9k_channel *chan);
- bool (*ani_control)(struct ath_hw *ah, enum ath9k_ani_cmd cmd,
-@@ -615,30 +614,10 @@ struct ath_hw_ops {
- u8 rxchainmask,
- bool longcal);
- bool (*get_isr)(struct ath_hw *ah, enum ath9k_int *masked);
-- void (*fill_txdesc)(struct ath_hw *ah, void *ds, u32 seglen,
-- bool is_firstseg, bool is_is_lastseg,
-- const void *ds0, dma_addr_t buf_addr,
-- unsigned int qcu);
-+ void (*set_txdesc)(struct ath_hw *ah, void *ds,
-+ struct ath_tx_info *i);
- int (*proc_txdesc)(struct ath_hw *ah, void *ds,
- struct ath_tx_status *ts);
-- void (*set11n_txdesc)(struct ath_hw *ah, void *ds,
-- u32 pktLen, enum ath9k_pkt_type type,
-- u32 txPower, u8 keyIx,
-- enum ath9k_key_type keyType,
-- u32 flags);
-- void (*set11n_ratescenario)(struct ath_hw *ah, void *ds,
-- void *lastds,
-- u32 durUpdateEn, u32 rtsctsRate,
-- u32 rtsctsDuration,
-- struct ath9k_11n_rate_series series[],
-- u32 nseries, u32 flags);
-- void (*set11n_aggr_first)(struct ath_hw *ah, void *ds,
-- u32 aggrLen);
-- void (*set11n_aggr_middle)(struct ath_hw *ah, void *ds,
-- u32 numDelims);
-- void (*set11n_aggr_last)(struct ath_hw *ah, void *ds);
-- void (*clr11n_aggr)(struct ath_hw *ah, void *ds);
-- void (*set_clrdmask)(struct ath_hw *ah, void *ds, bool val);
- void (*antdiv_comb_conf_get)(struct ath_hw *ah,
- struct ath_hw_antcomb_conf *antconf);
- void (*antdiv_comb_conf_set)(struct ath_hw *ah,
---- a/drivers/net/wireless/ath/ath9k/mac.c
-+++ b/drivers/net/wireless/ath/ath9k/mac.c
-@@ -62,18 +62,6 @@ void ath9k_hw_txstart(struct ath_hw *ah,
- }
- EXPORT_SYMBOL(ath9k_hw_txstart);
+ mpl_dbg(sta->sdata,
+- "Mesh plink timer for %pM fired on state %d\n",
+- sta->sta.addr, sta->plink_state);
++ "Mesh plink timer for %pM fired on state %s\n",
++ sta->sta.addr, mplstates[sta->plink_state]);
+ reason = 0;
+ llid = sta->llid;
+ plid = sta->plid;
+@@ -687,7 +687,7 @@ void mesh_rx_plink_frame(struct ieee8021
+ baseaddr += 4;
+ baselen += 4;
+ }
+- ieee802_11_parse_elems(baseaddr, len - baselen, &elems);
++ ieee802_11_parse_elems(baseaddr, len - baselen, true, &elems);
--void ath9k_hw_cleartxdesc(struct ath_hw *ah, void *ds)
--{
-- struct ar5416_desc *ads = AR5416DESC(ds);
+ if (!elems.peering) {
+ mpl_dbg(sdata,
+--- a/net/mac80211/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -289,6 +289,8 @@ ieee80211_determine_chantype(struct ieee
+ } else {
+ /* 40 MHz (and 80 MHz) must be supported for VHT */
+ ret = IEEE80211_STA_DISABLE_VHT;
++ /* also mark 40 MHz disabled */
++ ret |= IEEE80211_STA_DISABLE_40MHZ;
+ goto out;
+ }
+
+@@ -303,12 +305,6 @@ ieee80211_determine_chantype(struct ieee
+ channel->band);
+ vht_chandef.center_freq2 = 0;
+
+- if (vht_oper->center_freq_seg2_idx)
+- vht_chandef.center_freq2 =
+- ieee80211_channel_to_frequency(
+- vht_oper->center_freq_seg2_idx,
+- channel->band);
-
-- ads->ds_txstatus0 = ads->ds_txstatus1 = 0;
-- ads->ds_txstatus2 = ads->ds_txstatus3 = 0;
-- ads->ds_txstatus4 = ads->ds_txstatus5 = 0;
-- ads->ds_txstatus6 = ads->ds_txstatus7 = 0;
-- ads->ds_txstatus8 = ads->ds_txstatus9 = 0;
--}
--EXPORT_SYMBOL(ath9k_hw_cleartxdesc);
+ switch (vht_oper->chan_width) {
+ case IEEE80211_VHT_CHANWIDTH_USE_HT:
+ vht_chandef.width = chandef->width;
+@@ -321,6 +317,10 @@ ieee80211_determine_chantype(struct ieee
+ break;
+ case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
+ vht_chandef.width = NL80211_CHAN_WIDTH_80P80;
++ vht_chandef.center_freq2 =
++ ieee80211_channel_to_frequency(
++ vht_oper->center_freq_seg2_idx,
++ channel->band);
+ break;
+ default:
+ if (verbose)
+@@ -604,7 +604,6 @@ static void ieee80211_add_vht_ie(struct
+ u8 *pos;
+ u32 cap;
+ struct ieee80211_sta_vht_cap vht_cap;
+- int i;
+
+ BUILD_BUG_ON(sizeof(vht_cap) != sizeof(sband->vht_cap));
+
+@@ -632,37 +631,6 @@ static void ieee80211_add_vht_ie(struct
+ cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)))
+ cap &= ~IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
+
+- if (!(ap_vht_cap->vht_cap_info &
+- cpu_to_le32(IEEE80211_VHT_CAP_TXSTBC)))
+- cap &= ~(IEEE80211_VHT_CAP_RXSTBC_1 |
+- IEEE80211_VHT_CAP_RXSTBC_3 |
+- IEEE80211_VHT_CAP_RXSTBC_4);
+-
+- for (i = 0; i < 8; i++) {
+- int shift = i * 2;
+- u16 mask = IEEE80211_VHT_MCS_NOT_SUPPORTED << shift;
+- u16 ap_mcs, our_mcs;
+-
+- ap_mcs = (le16_to_cpu(ap_vht_cap->supp_mcs.tx_mcs_map) &
+- mask) >> shift;
+- our_mcs = (le16_to_cpu(vht_cap.vht_mcs.rx_mcs_map) &
+- mask) >> shift;
+-
+- if (our_mcs == IEEE80211_VHT_MCS_NOT_SUPPORTED)
+- continue;
-
- u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q)
- {
- u32 npend;
-@@ -596,7 +584,7 @@ int ath9k_hw_rxprocdesc(struct ath_hw *a
- else
- rs->rs_keyix = ATH9K_RXKEYIX_INVALID;
-
-- rs->rs_rate = RXSTATUS_RATE(ah, (&ads));
-+ rs->rs_rate = MS(ads.ds_rxstatus0, AR_RxRate);
- rs->rs_more = (ads.ds_rxstatus1 & AR_RxMore) ? 1 : 0;
-
- rs->rs_isaggr = (ads.ds_rxstatus8 & AR_RxAggr) ? 1 : 0;
---- a/drivers/net/wireless/ath/ath9k/mac.h
-+++ b/drivers/net/wireless/ath/ath9k/mac.h
-@@ -17,10 +17,6 @@
- #ifndef MAC_H
- #define MAC_H
-
--#define RXSTATUS_RATE(ah, ads) (AR_SREV_5416_20_OR_LATER(ah) ? \
-- MS(ads->ds_rxstatus0, AR_RxRate) : \
-- (ads->ds_rxstatus3 >> 2) & 0xFF)
+- switch (ap_mcs) {
+- default:
+- if (our_mcs <= ap_mcs)
+- break;
+- /* fall through */
+- case IEEE80211_VHT_MCS_NOT_SUPPORTED:
+- vht_cap.vht_mcs.rx_mcs_map &= cpu_to_le16(~mask);
+- vht_cap.vht_mcs.rx_mcs_map |=
+- cpu_to_le16(ap_mcs << shift);
+- }
+- }
-
- #define set11nTries(_series, _index) \
- (SM((_series)[_index].Tries, AR_XmitDataTries##_index))
+ /* reserve and fill IE */
+ pos = skb_put(skb, sizeof(struct ieee80211_vht_cap) + 2);
+ ieee80211_ie_build_vht_cap(pos, &vht_cap, cap);
+@@ -998,16 +966,7 @@ static void ieee80211_chswitch_work(stru
+ if (!ifmgd->associated)
+ goto out;
-@@ -263,7 +259,11 @@ struct ath_desc {
- #define ATH9K_TXDESC_VMF 0x0100
- #define ATH9K_TXDESC_FRAG_IS_ON 0x0200
- #define ATH9K_TXDESC_LOWRXCHAIN 0x0400
--#define ATH9K_TXDESC_LDPC 0x00010000
-+#define ATH9K_TXDESC_LDPC 0x0800
-+#define ATH9K_TXDESC_CLRDMASK 0x1000
-+
-+#define ATH9K_TXDESC_PAPRD 0x70000
-+#define ATH9K_TXDESC_PAPRD_S 16
+- /*
+- * FIXME: Here we are downgrading to NL80211_CHAN_WIDTH_20_NOHT
+- * and don't adjust our ht/vht settings
+- * This is wrong - we should behave according to the CSA params
+- */
+- local->_oper_chandef.chan = local->csa_channel;
+- local->_oper_chandef.width = NL80211_CHAN_WIDTH_20_NOHT;
+- local->_oper_chandef.center_freq1 =
+- local->_oper_chandef.chan->center_freq;
+- local->_oper_chandef.center_freq2 = 0;
++ local->_oper_chandef = local->csa_chandef;
+
+ if (!local->ops->channel_switch) {
+ /* call "hw_config" only if doing sw channel switch */
+@@ -1054,56 +1013,208 @@ static void ieee80211_chswitch_timer(uns
+ ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.chswitch_work);
+ }
- #define ATH9K_RXDESC_INTREQ 0x0020
+-void
++static void
+ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
+- const struct ieee80211_channel_sw_ie *sw_elem,
+- struct ieee80211_bss *bss, u64 timestamp)
++ u64 timestamp, struct ieee802_11_elems *elems,
++ bool beacon)
+ {
+- struct cfg80211_bss *cbss =
+- container_of((void *)bss, struct cfg80211_bss, priv);
+- struct ieee80211_channel *new_ch;
++ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+- int new_freq = ieee80211_channel_to_frequency(sw_elem->new_ch_num,
+- cbss->channel->band);
++ struct cfg80211_bss *cbss = ifmgd->associated;
++ struct ieee80211_bss *bss;
+ struct ieee80211_chanctx *chanctx;
++ enum ieee80211_band new_band;
++ int new_freq;
++ u8 new_chan_no;
++ u8 count;
++ u8 mode;
++ struct ieee80211_channel *new_chan;
++ struct cfg80211_chan_def new_chandef = {};
++ struct cfg80211_chan_def new_vht_chandef = {};
++ const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
++ const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
++ const struct ieee80211_ht_operation *ht_oper;
++ int secondary_channel_offset = -1;
+
+ ASSERT_MGD_MTX(ifmgd);
+
+- if (!ifmgd->associated)
++ if (!cbss)
++ return;
++
++ if (local->scanning)
+ return;
-@@ -659,6 +659,13 @@ struct ath9k_11n_rate_series {
- u32 RateFlags;
- };
+- if (sdata->local->scanning)
++ /* disregard subsequent announcements if we are already processing */
++ if (ifmgd->flags & IEEE80211_STA_CSA_RECEIVED)
+ return;
-+enum aggr_type {
-+ AGGR_BUF_NONE,
-+ AGGR_BUF_FIRST,
-+ AGGR_BUF_MIDDLE,
-+ AGGR_BUF_LAST,
-+};
+- /* Disregard subsequent beacons if we are already running a timer
+- processing a CSA */
++ sec_chan_offs = elems->sec_chan_offs;
++ wide_bw_chansw_ie = elems->wide_bw_chansw_ie;
++ ht_oper = elems->ht_operation;
+
- enum ath9k_key_type {
- ATH9K_KEY_TYPE_CLEAR,
- ATH9K_KEY_TYPE_WEP,
-@@ -666,6 +673,33 @@ enum ath9k_key_type {
- ATH9K_KEY_TYPE_TKIP,
- };
++ if (ifmgd->flags & (IEEE80211_STA_DISABLE_HT |
++ IEEE80211_STA_DISABLE_40MHZ)) {
++ sec_chan_offs = NULL;
++ wide_bw_chansw_ie = NULL;
++ /* only used for bandwidth here */
++ ht_oper = NULL;
++ }
-+struct ath_tx_info {
-+ u8 qcu;
-+
-+ bool is_first;
-+ bool is_last;
+- if (ifmgd->flags & IEEE80211_STA_CSA_RECEIVED)
++ if (ifmgd->flags & IEEE80211_STA_DISABLE_VHT)
++ wide_bw_chansw_ie = NULL;
+
-+ enum aggr_type aggr;
-+ u8 ndelim;
-+ u16 aggr_len;
++ if (elems->ext_chansw_ie) {
++ if (!ieee80211_operating_class_to_band(
++ elems->ext_chansw_ie->new_operating_class,
++ &new_band)) {
++ sdata_info(sdata,
++ "cannot understand ECSA IE operating class %d, disconnecting\n",
++ elems->ext_chansw_ie->new_operating_class);
++ ieee80211_queue_work(&local->hw,
++ &ifmgd->csa_connection_drop_work);
++ }
++ new_chan_no = elems->ext_chansw_ie->new_ch_num;
++ count = elems->ext_chansw_ie->count;
++ mode = elems->ext_chansw_ie->mode;
++ } else if (elems->ch_switch_ie) {
++ new_band = cbss->channel->band;
++ new_chan_no = elems->ch_switch_ie->new_ch_num;
++ count = elems->ch_switch_ie->count;
++ mode = elems->ch_switch_ie->mode;
++ } else {
++ /* nothing here we understand */
+ return;
++ }
+
-+ dma_addr_t link;
-+ int pkt_len;
-+ u32 flags;
++ bss = (void *)cbss->priv;
+
+- new_ch = ieee80211_get_channel(sdata->local->hw.wiphy, new_freq);
+- if (!new_ch || new_ch->flags & IEEE80211_CHAN_DISABLED) {
++ new_freq = ieee80211_channel_to_frequency(new_chan_no, new_band);
++ new_chan = ieee80211_get_channel(sdata->local->hw.wiphy, new_freq);
++ if (!new_chan || new_chan->flags & IEEE80211_CHAN_DISABLED) {
+ sdata_info(sdata,
+ "AP %pM switches to unsupported channel (%d MHz), disconnecting\n",
+ ifmgd->associated->bssid, new_freq);
+- ieee80211_queue_work(&sdata->local->hw,
++ ieee80211_queue_work(&local->hw,
++ &ifmgd->csa_connection_drop_work);
++ return;
++ }
+
-+ dma_addr_t buf_addr[4];
-+ int buf_len[4];
++ if (!beacon && sec_chan_offs) {
++ secondary_channel_offset = sec_chan_offs->sec_chan_offs;
++ } else if (beacon && ht_oper) {
++ secondary_channel_offset =
++ ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
++ } else if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) {
++ /*
++ * If it's not a beacon, HT is enabled and the IE not present,
++ * it's 20 MHz, 802.11-2012 8.5.2.6:
++ * This element [the Secondary Channel Offset Element] is
++ * present when switching to a 40 MHz channel. It may be
++ * present when switching to a 20 MHz channel (in which
++ * case the secondary channel offset is set to SCN).
++ */
++ secondary_channel_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
++ }
+
-+ struct ath9k_11n_rate_series rates[4];
-+ u8 rtscts_rate;
-+ bool dur_update;
++ switch (secondary_channel_offset) {
++ default:
++ /* secondary_channel_offset was present but is invalid */
++ case IEEE80211_HT_PARAM_CHA_SEC_NONE:
++ cfg80211_chandef_create(&new_chandef, new_chan,
++ NL80211_CHAN_HT20);
++ break;
++ case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
++ cfg80211_chandef_create(&new_chandef, new_chan,
++ NL80211_CHAN_HT40PLUS);
++ break;
++ case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
++ cfg80211_chandef_create(&new_chandef, new_chan,
++ NL80211_CHAN_HT40MINUS);
++ break;
++ case -1:
++ cfg80211_chandef_create(&new_chandef, new_chan,
++ NL80211_CHAN_NO_HT);
++ break;
++ }
+
-+ enum ath9k_pkt_type type;
-+ enum ath9k_key_type keytype;
-+ u8 keyix;
-+ u8 txpower;
-+};
++ if (wide_bw_chansw_ie) {
++ new_vht_chandef.chan = new_chan;
++ new_vht_chandef.center_freq1 =
++ ieee80211_channel_to_frequency(
++ wide_bw_chansw_ie->new_center_freq_seg0,
++ new_band);
+
- struct ath_hw;
- struct ath9k_channel;
- enum ath9k_int;
-@@ -673,7 +707,6 @@ enum ath9k_int;
- u32 ath9k_hw_gettxbuf(struct ath_hw *ah, u32 q);
- void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp);
- void ath9k_hw_txstart(struct ath_hw *ah, u32 q);
--void ath9k_hw_cleartxdesc(struct ath_hw *ah, void *ds);
- u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q);
- bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel);
- bool ath9k_hw_stop_dma_queue(struct ath_hw *ah, u32 q);
---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -111,24 +111,29 @@ void ath9k_ps_wakeup(struct ath_softc *s
- void ath9k_ps_restore(struct ath_softc *sc)
- {
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-+ enum ath9k_power_mode mode;
- unsigned long flags;
-
- spin_lock_irqsave(&sc->sc_pm_lock, flags);
- if (--sc->ps_usecount != 0)
- goto unlock;
-
-- spin_lock(&common->cc_lock);
-- ath_hw_cycle_counters_update(common);
-- spin_unlock(&common->cc_lock);
--
- if (sc->ps_idle)
-- ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
-+ 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)))
-- ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
-+ mode = ATH9K_PM_NETWORK_SLEEP;
-+ else
-+ goto unlock;
++ switch (wide_bw_chansw_ie->new_channel_width) {
++ default:
++ /* hmmm, ignore VHT and use HT if present */
++ case IEEE80211_VHT_CHANWIDTH_USE_HT:
++ new_vht_chandef.chan = NULL;
++ break;
++ case IEEE80211_VHT_CHANWIDTH_80MHZ:
++ new_vht_chandef.width = NL80211_CHAN_WIDTH_80;
++ break;
++ case IEEE80211_VHT_CHANWIDTH_160MHZ:
++ new_vht_chandef.width = NL80211_CHAN_WIDTH_160;
++ break;
++ case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
++ /* field is otherwise reserved */
++ new_vht_chandef.center_freq2 =
++ ieee80211_channel_to_frequency(
++ wide_bw_chansw_ie->new_center_freq_seg1,
++ new_band);
++ new_vht_chandef.width = NL80211_CHAN_WIDTH_80P80;
++ break;
++ }
++ if (ifmgd->flags & IEEE80211_STA_DISABLE_80P80MHZ &&
++ new_vht_chandef.width == NL80211_CHAN_WIDTH_80P80)
++ chandef_downgrade(&new_vht_chandef);
++ if (ifmgd->flags & IEEE80211_STA_DISABLE_160MHZ &&
++ new_vht_chandef.width == NL80211_CHAN_WIDTH_160)
++ chandef_downgrade(&new_vht_chandef);
++ if (ifmgd->flags & IEEE80211_STA_DISABLE_40MHZ &&
++ new_vht_chandef.width > NL80211_CHAN_WIDTH_20)
++ chandef_downgrade(&new_vht_chandef);
++ }
+
-+ spin_lock(&common->cc_lock);
-+ ath_hw_cycle_counters_update(common);
-+ spin_unlock(&common->cc_lock);
++ /* if VHT data is there validate & use it */
++ if (new_vht_chandef.chan) {
++ if (!cfg80211_chandef_compatible(&new_vht_chandef,
++ &new_chandef)) {
++ sdata_info(sdata,
++ "AP %pM CSA has inconsistent channel data, disconnecting\n",
++ ifmgd->associated->bssid);
++ ieee80211_queue_work(&local->hw,
++ &ifmgd->csa_connection_drop_work);
++ return;
++ }
++ new_chandef = new_vht_chandef;
++ }
+
-+ ath9k_hw_setpower(sc->sc_ah, mode);
++ if (!cfg80211_chandef_usable(local->hw.wiphy, &new_chandef,
++ IEEE80211_CHAN_DISABLED)) {
++ sdata_info(sdata,
++ "AP %pM switches to unsupported channel (%d MHz, width:%d, CF1/2: %d/%d MHz), disconnecting\n",
++ ifmgd->associated->bssid, new_freq,
++ new_chandef.width, new_chandef.center_freq1,
++ new_chandef.center_freq2);
++ ieee80211_queue_work(&local->hw,
+ &ifmgd->csa_connection_drop_work);
+ return;
+ }
- unlock:
- spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
-@@ -247,8 +252,8 @@ static bool ath_prepare_reset(struct ath
+ ifmgd->flags |= IEEE80211_STA_CSA_RECEIVED;
- if (!flush) {
- if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
-- ath_rx_tasklet(sc, 0, true);
-- ath_rx_tasklet(sc, 0, false);
-+ ath_rx_tasklet(sc, 1, true);
-+ ath_rx_tasklet(sc, 1, false);
- } else {
- ath_flushrecv(sc);
+- if (sdata->local->use_chanctx) {
++ if (local->use_chanctx) {
+ sdata_info(sdata,
+ "not handling channel switch with channel contexts\n");
+- ieee80211_queue_work(&sdata->local->hw,
++ ieee80211_queue_work(&local->hw,
+ &ifmgd->csa_connection_drop_work);
+ return;
}
-@@ -669,15 +674,15 @@ void ath9k_tasklet(unsigned long data)
- u32 status = sc->intrstatus;
- u32 rxmask;
-+ ath9k_ps_wakeup(sc);
-+ spin_lock(&sc->sc_pcu_lock);
-+
- if ((status & ATH9K_INT_FATAL) ||
- (status & ATH9K_INT_BB_WATCHDOG)) {
- ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
-- return;
-+ goto out;
+- mutex_lock(&sdata->local->chanctx_mtx);
++ mutex_lock(&local->chanctx_mtx);
+ if (WARN_ON(!rcu_access_pointer(sdata->vif.chanctx_conf))) {
+- mutex_unlock(&sdata->local->chanctx_mtx);
++ mutex_unlock(&local->chanctx_mtx);
+ return;
+ }
+ chanctx = container_of(rcu_access_pointer(sdata->vif.chanctx_conf),
+@@ -1111,40 +1222,39 @@ ieee80211_sta_process_chanswitch(struct
+ if (chanctx->refcount > 1) {
+ sdata_info(sdata,
+ "channel switch with multiple interfaces on the same channel, disconnecting\n");
+- ieee80211_queue_work(&sdata->local->hw,
++ ieee80211_queue_work(&local->hw,
+ &ifmgd->csa_connection_drop_work);
+- mutex_unlock(&sdata->local->chanctx_mtx);
++ mutex_unlock(&local->chanctx_mtx);
+ return;
}
+- mutex_unlock(&sdata->local->chanctx_mtx);
++ mutex_unlock(&local->chanctx_mtx);
-- ath9k_ps_wakeup(sc);
-- spin_lock(&sc->sc_pcu_lock);
--
- /*
- * Only run the baseband hang check if beacons stop working in AP or
- * IBSS mode, because it has a high false positive rate. For station
-@@ -725,6 +730,7 @@ void ath9k_tasklet(unsigned long data)
- if (status & ATH9K_INT_GENTIMER)
- ath_gen_timer_isr(sc->sc_ah);
+- sdata->local->csa_channel = new_ch;
++ local->csa_chandef = new_chandef;
-+out:
- /* re-enable hardware interrupt */
- ath9k_hw_enable_interrupts(ah);
-
-@@ -2015,6 +2021,7 @@ static void ath9k_config_bss(struct ath_
- /* Stop ANI */
- sc->sc_flags &= ~SC_OP_ANI_RUN;
- del_timer_sync(&common->ani.timer);
-+ memset(&sc->caldata, 0, sizeof(sc->caldata));
+- if (sw_elem->mode)
+- ieee80211_stop_queues_by_reason(&sdata->local->hw,
++ if (mode)
++ ieee80211_stop_queues_by_reason(&local->hw,
+ IEEE80211_MAX_QUEUE_MAP,
+ IEEE80211_QUEUE_STOP_REASON_CSA);
+
+- if (sdata->local->ops->channel_switch) {
++ if (local->ops->channel_switch) {
+ /* use driver's channel switch callback */
+ struct ieee80211_channel_switch ch_switch = {
+ .timestamp = timestamp,
+- .block_tx = sw_elem->mode,
+- .channel = new_ch,
+- .count = sw_elem->count,
++ .block_tx = mode,
++ .chandef = new_chandef,
++ .count = count,
+ };
+
+- drv_channel_switch(sdata->local, &ch_switch);
++ drv_channel_switch(local, &ch_switch);
+ return;
}
+
+ /* channel switch handled in software */
+- if (sw_elem->count <= 1)
+- ieee80211_queue_work(&sdata->local->hw, &ifmgd->chswitch_work);
++ if (count <= 1)
++ ieee80211_queue_work(&local->hw, &ifmgd->chswitch_work);
+ else
+ mod_timer(&ifmgd->chswitch_timer,
+- TU_TO_EXP_TIME(sw_elem->count *
+- cbss->beacon_interval));
++ TU_TO_EXP_TIME(count * cbss->beacon_interval));
}
---- a/drivers/net/wireless/ath/ath9k/pci.c
-+++ b/drivers/net/wireless/ath/ath9k/pci.c
-@@ -332,16 +332,16 @@ static int ath_pci_resume(struct device
- if ((val & 0x0000ff00) != 0)
- pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
-
-+ ath9k_ps_wakeup(sc);
- /* Enable LED */
- ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
- AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
-- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
-+ ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
-
- /*
- * Reset key cache to sane defaults (all entries cleared) instead of
- * semi-random values after suspend/resume.
- */
-- ath9k_ps_wakeup(sc);
- ath9k_cmn_init_crypto(sc->sc_ah);
- ath9k_ps_restore(sc);
+ static u32 ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
+@@ -2120,7 +2230,6 @@ void ieee80211_beacon_loss(struct ieee80
---- a/drivers/net/wireless/ath/ath9k/recv.c
-+++ b/drivers/net/wireless/ath/ath9k/recv.c
-@@ -1839,7 +1839,7 @@ int ath_rx_tasklet(struct ath_softc *sc,
- * If we're asked to flush receive queue, directly
- * chain it back at the queue without processing it.
- */
-- if (flush)
-+ if (sc->sc_flags & SC_OP_RXFLUSH)
- goto requeue_drop_frag;
+ trace_api_beacon_loss(sdata);
- retval = ath9k_rx_skb_preprocess(common, hw, hdr, &rs,
-@@ -1967,7 +1967,8 @@ requeue:
- } else {
- list_move_tail(&bf->list, &sc->rx.rxbuf);
- ath_rx_buf_link(sc, bf);
-- ath9k_hw_rxena(ah);
-+ if (!flush)
-+ ath9k_hw_rxena(ah);
- }
- } while (1);
+- WARN_ON(hw->flags & IEEE80211_HW_CONNECTION_MONITOR);
+ sdata->u.mgd.connection_loss = false;
+ ieee80211_queue_work(hw, &sdata->u.mgd.beacon_connection_loss_work);
+ }
+@@ -2170,7 +2279,7 @@ static void ieee80211_auth_challenge(str
+ u32 tx_flags = 0;
---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -56,10 +56,9 @@ static void ath_tx_complete_buf(struct a
- struct ath_tx_status *ts, int txok, int sendbar);
- static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
- struct list_head *head, bool internal);
--static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len);
- static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf,
- struct ath_tx_status *ts, int nframes, int nbad,
-- int txok, bool update_rc);
-+ int txok);
- static void ath_tx_update_baw(struct ath_softc *sc, struct ath_atx_tid *tid,
- int seqno);
- static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
-@@ -263,6 +262,7 @@ static void ath_tx_set_retry(struct ath_
- struct sk_buff *skb)
- {
- struct ath_frame_info *fi = get_frame_info(skb);
-+ struct ath_buf *bf = fi->bf;
- struct ieee80211_hdr *hdr;
+ pos = mgmt->u.auth.variable;
+- ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
++ ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
+ if (!elems.challenge)
+ return;
+ auth_data->expected_transaction = 4;
+@@ -2435,7 +2544,7 @@ static bool ieee80211_assoc_success(stru
+ }
+
+ pos = mgmt->u.assoc_resp.variable;
+- ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
++ ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
+
+ if (!elems.supp_rates) {
+ sdata_info(sdata, "no SuppRates element in AssocResp\n");
+@@ -2604,7 +2713,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee
+ capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14))));
+
+ pos = mgmt->u.assoc_resp.variable;
+- ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
++ ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), false, &elems);
+
+ if (status_code == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY &&
+ elems.timeout_int &&
+@@ -2659,6 +2768,8 @@ static void ieee80211_rx_bss_info(struct
+ struct ieee80211_channel *channel;
+ bool need_ps = false;
+
++ lockdep_assert_held(&sdata->u.mgd.mtx);
++
+ if ((sdata->u.mgd.associated &&
+ ether_addr_equal(mgmt->bssid, sdata->u.mgd.associated->bssid)) ||
+ (sdata->u.mgd.assoc_data &&
+@@ -2689,7 +2800,8 @@ static void ieee80211_rx_bss_info(struct
+ if (bss)
+ ieee80211_rx_bss_put(local, bss);
+
+- if (!sdata->u.mgd.associated)
++ if (!sdata->u.mgd.associated ||
++ !ether_addr_equal(mgmt->bssid, sdata->u.mgd.associated->bssid))
+ return;
- TX_STAT_INC(txq->axq_qnum, a_retries);
-@@ -271,6 +271,8 @@ static void ath_tx_set_retry(struct ath_
+ if (need_ps) {
+@@ -2698,10 +2810,9 @@ static void ieee80211_rx_bss_info(struct
+ mutex_unlock(&local->iflist_mtx);
+ }
- hdr = (struct ieee80211_hdr *)skb->data;
- hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_RETRY);
-+ dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
-+ sizeof(*hdr), DMA_TO_DEVICE);
+- if (elems->ch_switch_ie &&
+- memcmp(mgmt->bssid, sdata->u.mgd.associated->bssid, ETH_ALEN) == 0)
+- ieee80211_sta_process_chanswitch(sdata, elems->ch_switch_ie,
+- bss, rx_status->mactime);
++ ieee80211_sta_process_chanswitch(sdata, rx_status->mactime,
++ elems, true);
++
}
- static struct ath_buf *ath_tx_get_buffer(struct ath_softc *sc)
-@@ -390,11 +392,9 @@ static void ath_tx_complete_aggr(struct
- while (bf) {
- bf_next = bf->bf_next;
-
-- bf->bf_state.bf_type |= BUF_XRETRY;
- if (!bf->bf_stale || bf_next != NULL)
- list_move_tail(&bf->list, &bf_head);
-
-- ath_tx_rc_status(sc, bf, ts, 1, 1, 0, false);
- ath_tx_complete_buf(sc, bf, txq, &bf_head, ts,
- 0, 0);
-
-@@ -470,7 +470,6 @@ static void ath_tx_complete_aggr(struct
- clear_filter = true;
- txpending = 1;
- } else {
-- bf->bf_state.bf_type |= BUF_XRETRY;
- txfail = 1;
- sendbar = 1;
- txfail_cnt++;
-@@ -497,17 +496,14 @@ static void ath_tx_complete_aggr(struct
-
- if (rc_update && (acked_cnt == 1 || txfail_cnt == 1)) {
- memcpy(tx_info->control.rates, rates, sizeof(rates));
-- ath_tx_rc_status(sc, bf, ts, nframes, nbad, txok, true);
-+ ath_tx_rc_status(sc, bf, ts, nframes, nbad, txok);
- rc_update = false;
-- } else {
-- ath_tx_rc_status(sc, bf, ts, nframes, nbad, txok, false);
- }
- ath_tx_complete_buf(sc, bf, txq, &bf_head, ts,
- !txfail, sendbar);
- } else {
- /* retry the un-acked ones */
-- ath9k_hw_set_clrdmask(sc->sc_ah, bf->bf_desc, false);
- if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)) {
- if (bf->bf_next == NULL && bf_last->bf_stale) {
- struct ath_buf *tbf;
-@@ -523,26 +519,13 @@ static void ath_tx_complete_aggr(struct
- ath_tx_update_baw(sc, tid, seqno);
- spin_unlock_bh(&txq->axq_lock);
-
-- bf->bf_state.bf_type |=
-- BUF_XRETRY;
-- ath_tx_rc_status(sc, bf, ts, nframes,
-- nbad, 0, false);
- ath_tx_complete_buf(sc, bf, txq,
- &bf_head,
-- ts, 0, 0);
-+ ts, 0, 1);
- break;
- }
-
-- ath9k_hw_cleartxdesc(sc->sc_ah,
-- tbf->bf_desc);
- fi->bf = tbf;
-- } else {
-- /*
-- * Clear descriptor status words for
-- * software retry
-- */
-- ath9k_hw_cleartxdesc(sc->sc_ah,
-- bf->bf_desc);
- }
- }
+@@ -2726,7 +2837,7 @@ static void ieee80211_rx_mgmt_probe_resp
+ return;
-@@ -778,7 +761,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
- if (!bf)
- continue;
+ ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
+- &elems);
++ false, &elems);
+
+ ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
+
+@@ -2809,7 +2920,7 @@ ieee80211_rx_mgmt_beacon(struct ieee8021
+ if (ifmgd->assoc_data && ifmgd->assoc_data->need_beacon &&
+ ether_addr_equal(mgmt->bssid, ifmgd->assoc_data->bss->bssid)) {
+ ieee802_11_parse_elems(mgmt->u.beacon.variable,
+- len - baselen, &elems);
++ len - baselen, false, &elems);
+
+ ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems);
+ ifmgd->assoc_data->have_beacon = true;
+@@ -2919,7 +3030,7 @@ ieee80211_rx_mgmt_beacon(struct ieee8021
+
+ ncrc = crc32_be(0, (void *)&mgmt->u.beacon.beacon_int, 4);
+ ncrc = ieee802_11_parse_elems_crc(mgmt->u.beacon.variable,
+- len - baselen, &elems,
++ len - baselen, false, &elems,
+ care_about_ies, ncrc);
+
+ if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) {
+@@ -3066,6 +3177,8 @@ void ieee80211_sta_rx_queued_mgmt(struct
+ enum rx_mgmt_action rma = RX_MGMT_NONE;
+ u8 deauth_buf[IEEE80211_DEAUTH_FRAME_LEN];
+ u16 fc;
++ struct ieee802_11_elems elems;
++ int ies_len;
-- bf->bf_state.bf_type |= BUF_AMPDU;
-+ bf->bf_state.bf_type = BUF_AMPDU | BUF_AGGR;
- seqno = bf->bf_state.seqno;
- if (!bf_first)
- bf_first = bf;
-@@ -805,8 +788,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
+ rx_status = (struct ieee80211_rx_status *) skb->cb;
+ mgmt = (struct ieee80211_mgmt *) skb->data;
+@@ -3095,14 +3208,48 @@ void ieee80211_sta_rx_queued_mgmt(struct
+ rma = ieee80211_rx_mgmt_assoc_resp(sdata, mgmt, skb->len, &bss);
+ break;
+ case IEEE80211_STYPE_ACTION:
+- switch (mgmt->u.action.category) {
+- case WLAN_CATEGORY_SPECTRUM_MGMT:
++ if (mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT) {
++ ies_len = skb->len -
++ offsetof(struct ieee80211_mgmt,
++ u.action.u.chan_switch.variable);
++
++ if (ies_len < 0)
++ break;
++
++ ieee802_11_parse_elems(
++ mgmt->u.action.u.chan_switch.variable,
++ ies_len, true, &elems);
++
++ if (elems.parse_error)
++ break;
++
+ ieee80211_sta_process_chanswitch(sdata,
+- &mgmt->u.action.u.chan_switch.sw_elem,
+- (void *)ifmgd->associated->priv,
+- rx_status->mactime);
+- break;
++ rx_status->mactime,
++ &elems, false);
++ } else if (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) {
++ ies_len = skb->len -
++ offsetof(struct ieee80211_mgmt,
++ u.action.u.ext_chan_switch.variable);
++
++ if (ies_len < 0)
++ break;
++
++ ieee802_11_parse_elems(
++ mgmt->u.action.u.ext_chan_switch.variable,
++ ies_len, true, &elems);
++
++ if (elems.parse_error)
++ break;
++
++ /* for the handling code pretend this was also an IE */
++ elems.ext_chansw_ie =
++ &mgmt->u.action.u.ext_chan_switch.data;
++
++ ieee80211_sta_process_chanswitch(sdata,
++ rx_status->mactime,
++ &elems, false);
}
++ break;
+ }
+ mutex_unlock(&ifmgd->mtx);
- tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
-- if (nframes && ((tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) ||
-- !(tx_info->control.rates[0].flags & IEEE80211_TX_RC_MCS)))
-+ if (nframes && (tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE))
- break;
+@@ -4197,7 +4344,7 @@ int ieee80211_mgd_deauth(struct ieee8021
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
+ bool tx = !req->local_state_change;
+- bool sent_frame = false;
++ bool report_frame = false;
- /* do not exceed subframe limit */
-@@ -828,20 +810,17 @@ static enum ATH_AGGR_STATUS ath_tx_form_
-
- nframes++;
- bf->bf_next = NULL;
-- ath9k_hw_set_desc_link(sc->sc_ah, bf->bf_desc, 0);
-
- /* link buffers of this frame to the aggregate */
- if (!fi->retries)
- ath_tx_addto_baw(sc, tid, seqno);
-- ath9k_hw_set11n_aggr_middle(sc->sc_ah, bf->bf_desc, ndelim);
-+ bf->bf_state.ndelim = ndelim;
-
- __skb_unlink(skb, &tid->buf_q);
- list_add_tail(&bf->list, bf_q);
-- if (bf_prev) {
-+ if (bf_prev)
- bf_prev->bf_next = bf;
-- ath9k_hw_set_desc_link(sc->sc_ah, bf_prev->bf_desc,
-- bf->bf_daddr);
-- }
-+
- bf_prev = bf;
+ mutex_lock(&ifmgd->mtx);
+
+@@ -4214,7 +4361,7 @@ int ieee80211_mgd_deauth(struct ieee8021
+ ieee80211_destroy_auth_data(sdata, false);
+ mutex_unlock(&ifmgd->mtx);
+
+- sent_frame = tx;
++ report_frame = true;
+ goto out;
+ }
- } while (!skb_queue_empty(&tid->buf_q));
-@@ -852,12 +831,245 @@ static enum ATH_AGGR_STATUS ath_tx_form_
- #undef PADBYTES
+@@ -4222,12 +4369,12 @@ int ieee80211_mgd_deauth(struct ieee8021
+ ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
+ ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
+ req->reason_code, tx, frame_buf);
+- sent_frame = tx;
++ report_frame = true;
+ }
+ mutex_unlock(&ifmgd->mtx);
+
+ out:
+- if (sent_frame)
++ if (report_frame)
+ __cfg80211_send_deauth(sdata->dev, frame_buf,
+ IEEE80211_DEAUTH_FRAME_LEN);
+
+--- a/net/mac80211/pm.c
++++ b/net/mac80211/pm.c
+@@ -38,8 +38,8 @@ int __ieee80211_suspend(struct ieee80211
+ IEEE80211_MAX_QUEUE_MAP,
+ IEEE80211_QUEUE_STOP_REASON_SUSPEND);
+
+- /* flush out all packets */
+- synchronize_net();
++ /* flush out all packets and station cleanup call_rcu()s */
++ rcu_barrier();
+
+ ieee80211_flush_queues(local, NULL);
+
+--- a/net/mac80211/rate.c
++++ b/net/mac80211/rate.c
+@@ -252,6 +252,25 @@ rate_lowest_non_cck_index(struct ieee802
+ return 0;
}
-+/*
-+ * rix - rate index
-+ * pktlen - total bytes (delims + data + fcs + pads + pad delims)
-+ * width - 0 for 20 MHz, 1 for 40 MHz
-+ * half_gi - to use 4us v/s 3.6 us for symbol time
-+ */
-+static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, int pktlen,
-+ int width, int half_gi, bool shortPreamble)
++static void __rate_control_send_low(struct ieee80211_hw *hw,
++ struct ieee80211_supported_band *sband,
++ struct ieee80211_sta *sta,
++ struct ieee80211_tx_info *info)
+{
-+ u32 nbits, nsymbits, duration, nsymbols;
-+ int streams;
-+
-+ /* find number of symbols: PLCP + data */
-+ streams = HT_RC_2_STREAMS(rix);
-+ nbits = (pktlen << 3) + OFDM_PLCP_BITS;
-+ nsymbits = bits_per_symbol[rix % 8][width] * streams;
-+ nsymbols = (nbits + nsymbits - 1) / nsymbits;
-+
-+ if (!half_gi)
-+ duration = SYMBOL_TIME(nsymbols);
++ if ((sband->band != IEEE80211_BAND_2GHZ) ||
++ !(info->flags & IEEE80211_TX_CTL_NO_CCK_RATE))
++ info->control.rates[0].idx = rate_lowest_index(sband, sta);
+ else
-+ duration = SYMBOL_TIME_HALFGI(nsymbols);
++ info->control.rates[0].idx =
++ rate_lowest_non_cck_index(sband, sta);
+
-+ /* addup duration for legacy/ht training and signal fields */
-+ duration += L_STF + L_LTF + L_SIG + HT_SIG + HT_STF + HT_LTF(streams);
++ info->control.rates[0].count =
++ (info->flags & IEEE80211_TX_CTL_NO_ACK) ?
++ 1 : hw->max_rate_tries;
+
-+ return duration;
++ info->control.skip_table = 1;
+}
+
-+static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf,
-+ struct ath_tx_info *info, int len)
+
+ bool rate_control_send_low(struct ieee80211_sta *sta,
+ void *priv_sta,
+@@ -262,16 +281,8 @@ bool rate_control_send_low(struct ieee80
+ int mcast_rate;
+
+ if (!sta || !priv_sta || rc_no_data_or_no_ack_use_min(txrc)) {
+- if ((sband->band != IEEE80211_BAND_2GHZ) ||
+- !(info->flags & IEEE80211_TX_CTL_NO_CCK_RATE))
+- info->control.rates[0].idx =
+- rate_lowest_index(txrc->sband, sta);
+- else
+- info->control.rates[0].idx =
+- rate_lowest_non_cck_index(txrc->sband, sta);
+- info->control.rates[0].count =
+- (info->flags & IEEE80211_TX_CTL_NO_ACK) ?
+- 1 : txrc->hw->max_rate_tries;
++ __rate_control_send_low(txrc->hw, sband, sta, info);
++
+ if (!sta && txrc->bss) {
+ mcast_rate = txrc->bss_conf->mcast_rate[sband->band];
+ if (mcast_rate > 0) {
+@@ -355,7 +366,8 @@ static bool rate_idx_match_mcs_mask(stru
+
+
+ static void rate_idx_match_mask(struct ieee80211_tx_rate *rate,
+- struct ieee80211_tx_rate_control *txrc,
++ struct ieee80211_supported_band *sband,
++ enum nl80211_chan_width chan_width,
+ u32 mask,
+ u8 mcs_mask[IEEE80211_HT_MCS_MASK_LEN])
+ {
+@@ -375,27 +387,17 @@ static void rate_idx_match_mask(struct i
+ IEEE80211_TX_RC_USE_SHORT_PREAMBLE);
+ alt_rate.count = rate->count;
+ if (rate_idx_match_legacy_mask(&alt_rate,
+- txrc->sband->n_bitrates,
+- mask)) {
++ sband->n_bitrates, mask)) {
+ *rate = alt_rate;
+ return;
+ }
+ } else {
+- struct sk_buff *skb = txrc->skb;
+- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+- __le16 fc;
+-
+ /* handle legacy rates */
+- if (rate_idx_match_legacy_mask(rate, txrc->sband->n_bitrates,
+- mask))
++ if (rate_idx_match_legacy_mask(rate, sband->n_bitrates, mask))
+ return;
+
+ /* if HT BSS, and we handle a data frame, also try HT rates */
+- if (txrc->bss_conf->chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
+- return;
+-
+- fc = hdr->frame_control;
+- if (!ieee80211_is_data(fc))
++ if (chan_width == NL80211_CHAN_WIDTH_20_NOHT)
+ return;
+
+ alt_rate.idx = 0;
+@@ -408,7 +410,7 @@ static void rate_idx_match_mask(struct i
+
+ alt_rate.flags |= IEEE80211_TX_RC_MCS;
+
+- if (txrc->bss_conf->chandef.width == NL80211_CHAN_WIDTH_40)
++ if (chan_width == NL80211_CHAN_WIDTH_40)
+ alt_rate.flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
+
+ if (rate_idx_match_mcs_mask(&alt_rate, mcs_mask)) {
+@@ -426,6 +428,228 @@ static void rate_idx_match_mask(struct i
+ */
+ }
+
++static void rate_fixup_ratelist(struct ieee80211_vif *vif,
++ struct ieee80211_supported_band *sband,
++ struct ieee80211_tx_info *info,
++ struct ieee80211_tx_rate *rates,
++ int max_rates)
+{
-+ struct ath_hw *ah = sc->sc_ah;
-+ struct sk_buff *skb;
-+ struct ieee80211_tx_info *tx_info;
-+ struct ieee80211_tx_rate *rates;
-+ const struct ieee80211_rate *rate;
-+ struct ieee80211_hdr *hdr;
++ struct ieee80211_rate *rate;
++ bool inval = false;
+ int i;
-+ u8 rix = 0;
-+
-+ skb = bf->bf_mpdu;
-+ tx_info = IEEE80211_SKB_CB(skb);
-+ rates = tx_info->control.rates;
-+ hdr = (struct ieee80211_hdr *)skb->data;
-+
-+ /* set dur_update_en for l-sig computation except for PS-Poll frames */
-+ info->dur_update = !ieee80211_is_pspoll(hdr->frame_control);
+
+ /*
-+ * We check if Short Preamble is needed for the CTS rate by
-+ * checking the BSS's global flag.
-+ * But for the rate series, IEEE80211_TX_RC_USE_SHORT_PREAMBLE is used.
++ * Set up the RTS/CTS rate as the fastest basic rate
++ * that is not faster than the data rate unless there
++ * is no basic rate slower than the data rate, in which
++ * case we pick the slowest basic rate
++ *
++ * XXX: Should this check all retry rates?
+ */
-+ rate = ieee80211_get_rts_cts_rate(sc->hw, tx_info);
-+ info->rtscts_rate = rate->hw_value;
-+ if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
-+ info->rtscts_rate |= rate->hw_value_short;
++ if (!(rates[0].flags & IEEE80211_TX_RC_MCS)) {
++ u32 basic_rates = vif->bss_conf.basic_rates;
++ s8 baserate = basic_rates ? ffs(basic_rates - 1) : 0;
++
++ rate = &sband->bitrates[rates[0].idx];
++
++ for (i = 0; i < sband->n_bitrates; i++) {
++ /* must be a basic rate */
++ if (!(basic_rates & BIT(i)))
++ continue;
++ /* must not be faster than the data rate */
++ if (sband->bitrates[i].bitrate > rate->bitrate)
++ continue;
++ /* maximum */
++ if (sband->bitrates[baserate].bitrate <
++ sband->bitrates[i].bitrate)
++ baserate = i;
++ }
+
-+ for (i = 0; i < 4; i++) {
-+ bool is_40, is_sgi, is_sp;
-+ int phy;
++ info->control.rts_cts_rate_idx = baserate;
++ }
+
-+ if (!rates[i].count || (rates[i].idx < 0))
++ for (i = 0; i < max_rates; i++) {
++ /*
++ * make sure there's no valid rate following
++ * an invalid one, just in case drivers don't
++ * take the API seriously to stop at -1.
++ */
++ if (inval) {
++ rates[i].idx = -1;
++ continue;
++ }
++ if (rates[i].idx < 0) {
++ inval = true;
+ continue;
++ }
+
-+ rix = rates[i].idx;
-+ info->rates[i].Tries = rates[i].count;
++ /*
++ * For now assume MCS is already set up correctly, this
++ * needs to be fixed.
++ */
++ if (rates[i].flags & IEEE80211_TX_RC_MCS) {
++ WARN_ON(rates[i].idx > 76);
+
-+ if (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS) {
-+ info->rates[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
-+ info->flags |= ATH9K_TXDESC_RTSENA;
-+ } else if (rates[i].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
-+ info->rates[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
-+ info->flags |= ATH9K_TXDESC_CTSENA;
++ if (!(rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS) &&
++ info->control.use_cts_prot)
++ rates[i].flags |=
++ IEEE80211_TX_RC_USE_CTS_PROTECT;
++ continue;
+ }
+
-+ if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
-+ info->rates[i].RateFlags |= ATH9K_RATESERIES_2040;
-+ if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
-+ info->rates[i].RateFlags |= ATH9K_RATESERIES_HALFGI;
++ if (rates[i].flags & IEEE80211_TX_RC_VHT_MCS) {
++ WARN_ON(ieee80211_rate_get_vht_mcs(&rates[i]) > 9);
++ continue;
++ }
+
-+ is_sgi = !!(rates[i].flags & IEEE80211_TX_RC_SHORT_GI);
-+ is_40 = !!(rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH);
-+ is_sp = !!(rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE);
++ /* set up RTS protection if desired */
++ if (info->control.use_rts) {
++ rates[i].flags |= IEEE80211_TX_RC_USE_RTS_CTS;
++ info->control.use_cts_prot = false;
++ }
+
-+ if (rates[i].flags & IEEE80211_TX_RC_MCS) {
-+ /* MCS rates */
-+ info->rates[i].Rate = rix | 0x80;
-+ info->rates[i].ChSel = ath_txchainmask_reduction(sc,
-+ ah->txchainmask, info->rates[i].Rate);
-+ info->rates[i].PktDuration = ath_pkt_duration(sc, rix, len,
-+ is_40, is_sgi, is_sp);
-+ if (rix < 8 && (tx_info->flags & IEEE80211_TX_CTL_STBC))
-+ info->rates[i].RateFlags |= ATH9K_RATESERIES_STBC;
++ /* RC is busted */
++ if (WARN_ON_ONCE(rates[i].idx >= sband->n_bitrates)) {
++ rates[i].idx = -1;
+ continue;
+ }
+
-+ /* legacy rates */
-+ if ((tx_info->band == IEEE80211_BAND_2GHZ) &&
-+ !(rate->flags & IEEE80211_RATE_ERP_G))
-+ phy = WLAN_RC_PHY_CCK;
-+ else
-+ phy = WLAN_RC_PHY_OFDM;
++ rate = &sband->bitrates[rates[i].idx];
++
++ /* set up short preamble */
++ if (info->control.short_preamble &&
++ rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
++ rates[i].flags |= IEEE80211_TX_RC_USE_SHORT_PREAMBLE;
++
++ /* set up G protection */
++ if (!(rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS) &&
++ info->control.use_cts_prot &&
++ rate->flags & IEEE80211_RATE_ERP_G)
++ rates[i].flags |= IEEE80211_TX_RC_USE_CTS_PROTECT;
++ }
++}
++
+
-+ rate = &sc->sbands[tx_info->band].bitrates[rates[i].idx];
-+ info->rates[i].Rate = rate->hw_value;
-+ if (rate->hw_value_short) {
-+ if (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
-+ info->rates[i].Rate |= rate->hw_value_short;
++static void rate_control_fill_sta_table(struct ieee80211_sta *sta,
++ struct ieee80211_tx_info *info,
++ struct ieee80211_tx_rate *rates,
++ int max_rates)
++{
++ struct ieee80211_sta_rates *ratetbl = NULL;
++ int i;
++
++ if (sta && !info->control.skip_table)
++ ratetbl = rcu_dereference(sta->rates);
++
++ /* Fill remaining rate slots with data from the sta rate table. */
++ max_rates = min_t(int, max_rates, IEEE80211_TX_RATE_TABLE_SIZE);
++ for (i = 0; i < max_rates; i++) {
++ if (i < ARRAY_SIZE(info->control.rates) &&
++ info->control.rates[i].idx >= 0 &&
++ info->control.rates[i].count) {
++ if (rates != info->control.rates)
++ rates[i] = info->control.rates[i];
++ } else if (ratetbl) {
++ rates[i].idx = ratetbl->rate[i].idx;
++ rates[i].flags = ratetbl->rate[i].flags;
++ if (info->control.use_rts)
++ rates[i].count = ratetbl->rate[i].count_rts;
++ else if (info->control.use_cts_prot)
++ rates[i].count = ratetbl->rate[i].count_cts;
++ else
++ rates[i].count = ratetbl->rate[i].count;
+ } else {
-+ is_sp = false;
++ rates[i].idx = -1;
++ rates[i].count = 0;
+ }
+
-+ if (bf->bf_state.bfs_paprd)
-+ info->rates[i].ChSel = ah->txchainmask;
-+ else
-+ info->rates[i].ChSel = ath_txchainmask_reduction(sc,
-+ ah->txchainmask, info->rates[i].Rate);
++ if (rates[i].idx < 0 || !rates[i].count)
++ break;
++ }
++}
++
++static void rate_control_apply_mask(struct ieee80211_sub_if_data *sdata,
++ struct ieee80211_sta *sta,
++ struct ieee80211_supported_band *sband,
++ struct ieee80211_tx_info *info,
++ struct ieee80211_tx_rate *rates,
++ int max_rates)
++{
++ enum nl80211_chan_width chan_width;
++ u8 mcs_mask[IEEE80211_HT_MCS_MASK_LEN];
++ bool has_mcs_mask;
++ u32 mask;
++ int i;
++
++ /*
++ * Try to enforce the rateidx mask the user wanted. skip this if the
++ * default mask (allow all rates) is used to save some processing for
++ * the common case.
++ */
++ mask = sdata->rc_rateidx_mask[info->band];
++ has_mcs_mask = sdata->rc_has_mcs_mask[info->band];
++ if (mask == (1 << sband->n_bitrates) - 1 && !has_mcs_mask)
++ return;
+
-+ info->rates[i].PktDuration = ath9k_hw_computetxtime(sc->sc_ah,
-+ phy, rate->bitrate * 100, len, rix, is_sp);
++ if (has_mcs_mask)
++ memcpy(mcs_mask, sdata->rc_rateidx_mcs_mask[info->band],
++ sizeof(mcs_mask));
++ else
++ memset(mcs_mask, 0xff, sizeof(mcs_mask));
++
++ if (sta) {
++ /* Filter out rates that the STA does not support */
++ mask &= sta->supp_rates[info->band];
++ for (i = 0; i < sizeof(mcs_mask); i++)
++ mcs_mask[i] &= sta->ht_cap.mcs.rx_mask[i];
+ }
+
-+ /* For AR5416 - RTS cannot be followed by a frame larger than 8K */
-+ if (bf_isaggr(bf) && (len > sc->sc_ah->caps.rts_aggr_limit))
-+ info->flags &= ~ATH9K_TXDESC_RTSENA;
++ /*
++ * Make sure the rate index selected for each TX rate is
++ * included in the configured mask and change the rate indexes
++ * if needed.
++ */
++ chan_width = sdata->vif.bss_conf.chandef.width;
++ for (i = 0; i < max_rates; i++) {
++ /* Skip invalid rates */
++ if (rates[i].idx < 0)
++ break;
+
-+ /* ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive. */
-+ if (info->flags & ATH9K_TXDESC_RTSENA)
-+ info->flags &= ~ATH9K_TXDESC_CTSENA;
++ rate_idx_match_mask(&rates[i], sband, chan_width, mask,
++ mcs_mask);
++ }
+}
+
-+static enum ath9k_pkt_type get_hw_packet_type(struct sk_buff *skb)
++void ieee80211_get_tx_rates(struct ieee80211_vif *vif,
++ struct ieee80211_sta *sta,
++ struct sk_buff *skb,
++ struct ieee80211_tx_rate *dest,
++ int max_rates)
+{
-+ struct ieee80211_hdr *hdr;
-+ enum ath9k_pkt_type htype;
-+ __le16 fc;
-+
-+ hdr = (struct ieee80211_hdr *)skb->data;
-+ fc = hdr->frame_control;
-+
-+ if (ieee80211_is_beacon(fc))
-+ htype = ATH9K_PKT_TYPE_BEACON;
-+ else if (ieee80211_is_probe_resp(fc))
-+ htype = ATH9K_PKT_TYPE_PROBE_RESP;
-+ else if (ieee80211_is_atim(fc))
-+ htype = ATH9K_PKT_TYPE_ATIM;
-+ else if (ieee80211_is_pspoll(fc))
-+ htype = ATH9K_PKT_TYPE_PSPOLL;
-+ else
-+ htype = ATH9K_PKT_TYPE_NORMAL;
++ struct ieee80211_sub_if_data *sdata;
++ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
++ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
++ struct ieee80211_supported_band *sband;
++
++ rate_control_fill_sta_table(sta, info, dest, max_rates);
+
-+ return htype;
++ if (!vif)
++ return;
++
++ sdata = vif_to_sdata(vif);
++ sband = sdata->local->hw.wiphy->bands[info->band];
++
++ if (ieee80211_is_data(hdr->frame_control))
++ rate_control_apply_mask(sdata, sta, sband, info, dest, max_rates);
++
++ if (dest[0].idx < 0)
++ __rate_control_send_low(&sdata->local->hw, sband, sta, info);
++
++ if (sta)
++ rate_fixup_ratelist(vif, sband, info, dest, max_rates);
++}
++EXPORT_SYMBOL(ieee80211_get_tx_rates);
++
+ void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta,
+ struct ieee80211_tx_rate_control *txrc)
+@@ -435,8 +659,6 @@ void rate_control_get_rate(struct ieee80
+ struct ieee80211_sta *ista = NULL;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txrc->skb);
+ int i;
+- u32 mask;
+- u8 mcs_mask[IEEE80211_HT_MCS_MASK_LEN];
+
+ if (sta && test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) {
+ ista = &sta->sta;
+@@ -454,37 +676,27 @@ void rate_control_get_rate(struct ieee80
+
+ ref->ops->get_rate(ref->priv, ista, priv_sta, txrc);
+
+- /*
+- * Try to enforce the rateidx mask the user wanted. skip this if the
+- * default mask (allow all rates) is used to save some processing for
+- * the common case.
+- */
+- mask = sdata->rc_rateidx_mask[info->band];
+- memcpy(mcs_mask, sdata->rc_rateidx_mcs_mask[info->band],
+- sizeof(mcs_mask));
+- if (mask != (1 << txrc->sband->n_bitrates) - 1) {
+- if (sta) {
+- /* Filter out rates that the STA does not support */
+- mask &= sta->sta.supp_rates[info->band];
+- for (i = 0; i < sizeof(mcs_mask); i++)
+- mcs_mask[i] &= sta->sta.ht_cap.mcs.rx_mask[i];
+- }
+- /*
+- * Make sure the rate index selected for each TX rate is
+- * included in the configured mask and change the rate indexes
+- * if needed.
+- */
+- for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+- /* Skip invalid rates */
+- if (info->control.rates[i].idx < 0)
+- break;
+- rate_idx_match_mask(&info->control.rates[i], txrc,
+- mask, mcs_mask);
+- }
+- }
++ if (sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_RC_TABLE)
++ return;
+
+- BUG_ON(info->control.rates[0].idx < 0);
++ ieee80211_get_tx_rates(&sdata->vif, ista, txrc->skb,
++ info->control.rates,
++ ARRAY_SIZE(info->control.rates));
+}
+
-+static void ath_tx_fill_desc(struct ath_softc *sc, struct ath_buf *bf,
-+ struct ath_txq *txq, int len)
++int rate_control_set_rates(struct ieee80211_hw *hw,
++ struct ieee80211_sta *pubsta,
++ struct ieee80211_sta_rates *rates)
+{
-+ struct ath_hw *ah = sc->sc_ah;
-+ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
-+ struct ath_buf *bf_first = bf;
-+ struct ath_tx_info info;
-+ bool aggr = !!(bf->bf_state.bf_type & BUF_AGGR);
-+
-+ memset(&info, 0, sizeof(info));
-+ info.is_first = true;
-+ info.is_last = true;
-+ info.txpower = MAX_RATE_POWER;
-+ info.qcu = txq->axq_qnum;
-+
-+ info.flags = ATH9K_TXDESC_INTREQ;
-+ if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK)
-+ info.flags |= ATH9K_TXDESC_NOACK;
-+ if (tx_info->flags & IEEE80211_TX_CTL_LDPC)
-+ info.flags |= ATH9K_TXDESC_LDPC;
-+
-+ ath_buf_set_rate(sc, bf, &info, len);
-+
-+ if (tx_info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT)
-+ info.flags |= ATH9K_TXDESC_CLRDMASK;
-+
-+ if (bf->bf_state.bfs_paprd)
-+ info.flags |= (u32) bf->bf_state.bfs_paprd << ATH9K_TXDESC_PAPRD_S;
-+
-+
-+ while (bf) {
-+ struct sk_buff *skb = bf->bf_mpdu;
-+ struct ath_frame_info *fi = get_frame_info(skb);
-+ struct ieee80211_hdr *hdr;
-+ int padpos, padsize;
-+
-+ info.type = get_hw_packet_type(skb);
-+ if (bf->bf_next)
-+ info.link = bf->bf_next->bf_daddr;
-+ else
-+ info.link = 0;
++ struct ieee80211_sta_rates *old = rcu_dereference(pubsta->rates);
+
-+ if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
-+ hdr = (struct ieee80211_hdr *)skb->data;
-+ padpos = ath9k_cmn_padpos(hdr->frame_control);
-+ padsize = padpos & 3;
++ rcu_assign_pointer(pubsta->rates, rates);
++ if (old)
++ kfree_rcu(old, rcu_head);
+
-+ info.buf_addr[0] = bf->bf_buf_addr;
-+ info.buf_len[0] = padpos + padsize;
-+ info.buf_addr[1] = info.buf_addr[0] + padpos;
-+ info.buf_len[1] = skb->len - padpos;
-+ } else {
-+ info.buf_addr[0] = bf->bf_buf_addr;
-+ info.buf_len[0] = skb->len;
-+ }
++ return 0;
+ }
++EXPORT_SYMBOL(rate_control_set_rates);
+
+ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
+ const char *name)
+--- a/net/mac80211/rc80211_minstrel.c
++++ b/net/mac80211/rc80211_minstrel.c
+@@ -84,6 +84,50 @@ minstrel_sort_best_tp_rates(struct minst
+ }
+
+ static void
++minstrel_set_rate(struct minstrel_sta_info *mi, struct ieee80211_sta_rates *ratetbl,
++ int offset, int idx)
++{
++ struct minstrel_rate *r = &mi->r[idx];
+
-+ info.pkt_len = fi->framelen;
-+ info.keyix = fi->keyix;
-+ info.keytype = fi->keytype;
++ ratetbl->rate[offset].idx = r->rix;
++ ratetbl->rate[offset].count = r->adjusted_retry_count;
++ ratetbl->rate[offset].count_cts = r->retry_count_cts;
++ ratetbl->rate[offset].count_rts = r->retry_count_rtscts;
++}
+
-+ if (aggr) {
-+ if (bf == bf_first)
-+ info.aggr = AGGR_BUF_FIRST;
-+ else if (!bf->bf_next)
-+ info.aggr = AGGR_BUF_LAST;
-+ else
-+ info.aggr = AGGR_BUF_MIDDLE;
++static void
++minstrel_update_rates(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
++{
++ struct ieee80211_sta_rates *ratetbl;
++ int i = 0;
+
-+ info.ndelim = bf->bf_state.ndelim;
-+ info.aggr_len = len;
-+ }
++ ratetbl = kzalloc(sizeof(*ratetbl), GFP_ATOMIC);
++ if (!ratetbl)
++ return;
++
++ /* Start with max_tp_rate */
++ minstrel_set_rate(mi, ratetbl, i++, mi->max_tp_rate[0]);
+
-+ ath9k_hw_set_txdesc(ah, bf->bf_desc, &info);
-+ bf = bf->bf_next;
++ if (mp->hw->max_rates >= 3) {
++ /* At least 3 tx rates supported, use max_tp_rate2 next */
++ minstrel_set_rate(mi, ratetbl, i++, mi->max_tp_rate[1]);
+ }
++
++ if (mp->hw->max_rates >= 2) {
++ /* At least 2 tx rates supported, use max_prob_rate next */
++ minstrel_set_rate(mi, ratetbl, i++, mi->max_prob_rate);
++ }
++
++ /* Use lowest rate last */
++ ratetbl->rate[i].idx = mi->lowest_rix;
++ ratetbl->rate[i].count = mp->max_retry;
++ ratetbl->rate[i].count_cts = mp->max_retry;
++ ratetbl->rate[i].count_rts = mp->max_retry;
++
++ rate_control_set_rates(mp->hw, mi->sta, ratetbl);
+}
+
- static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
- struct ath_atx_tid *tid)
++static void
+ minstrel_update_stats(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
{
- struct ath_buf *bf;
- enum ATH_AGGR_STATUS status;
-- struct ath_frame_info *fi;
-+ struct ieee80211_tx_info *tx_info;
- struct list_head bf_q;
- int aggr_len;
-
-@@ -878,34 +1090,25 @@ static void ath_tx_sched_aggr(struct ath
-
- bf = list_first_entry(&bf_q, struct ath_buf, list);
- bf->bf_lastbf = list_entry(bf_q.prev, struct ath_buf, list);
-+ tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
-
- if (tid->ac->clear_ps_filter) {
- tid->ac->clear_ps_filter = false;
-- ath9k_hw_set_clrdmask(sc->sc_ah, bf->bf_desc, true);
-+ tx_info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
-+ } else {
-+ tx_info->flags &= ~IEEE80211_TX_CTL_CLEAR_PS_FILT;
- }
+ u8 tmp_tp_rate[MAX_THR_RATES];
+@@ -161,6 +205,8 @@ minstrel_update_stats(struct minstrel_pr
- /* if only one frame, send as non-aggregate */
- if (bf == bf->bf_lastbf) {
-- fi = get_frame_info(bf->bf_mpdu);
--
-- bf->bf_state.bf_type &= ~BUF_AGGR;
-- ath9k_hw_clr11n_aggr(sc->sc_ah, bf->bf_desc);
-- ath_buf_set_rate(sc, bf, fi->framelen);
-- ath_tx_txqaddbuf(sc, txq, &bf_q, false);
-- continue;
-+ aggr_len = get_frame_info(bf->bf_mpdu)->framelen;
-+ bf->bf_state.bf_type = BUF_AMPDU;
-+ } else {
-+ TX_STAT_INC(txq->axq_qnum, a_aggr);
- }
+ /* Reset update timer */
+ mi->stats_update = jiffies;
++
++ minstrel_update_rates(mp, mi);
+ }
-- /* setup first desc of aggregate */
-- bf->bf_state.bf_type |= BUF_AGGR;
-- ath_buf_set_rate(sc, bf, aggr_len);
-- ath9k_hw_set11n_aggr_first(sc->sc_ah, bf->bf_desc, aggr_len);
--
-- /* anchor last desc of aggregate */
-- ath9k_hw_set11n_aggr_last(sc->sc_ah, bf->bf_lastbf->bf_desc);
--
-+ ath_tx_fill_desc(sc, bf, txq, aggr_len);
- ath_tx_txqaddbuf(sc, txq, &bf_q, false);
-- TX_STAT_INC(txq->axq_qnum, a_aggr);
--
- } while (txq->axq_ampdu_depth < ATH_AGGR_MIN_QDEPTH &&
- status != ATH_AGGR_BAW_CLOSED);
+ static void
+@@ -209,9 +255,9 @@ minstrel_get_retry_count(struct minstrel
+ {
+ unsigned int retry = mr->adjusted_retry_count;
+
+- if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
++ if (info->control.use_rts)
+ retry = max(2U, min(mr->retry_count_rtscts, retry));
+- else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
++ else if (info->control.use_cts_prot)
+ retry = max(2U, min(mr->retry_count_cts, retry));
+ return retry;
}
-@@ -1483,7 +1686,7 @@ static void ath_tx_send_ampdu(struct ath
- if (!bf)
- return;
+@@ -240,13 +286,12 @@ minstrel_get_rate(void *priv, struct iee
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct minstrel_sta_info *mi = priv_sta;
+ struct minstrel_priv *mp = priv;
+- struct ieee80211_tx_rate *ar = info->control.rates;
+- unsigned int ndx, sample_ndx = 0;
++ struct ieee80211_tx_rate *rate = &info->control.rates[0];
++ struct minstrel_rate *msr, *mr;
++ unsigned int ndx;
+ bool mrr_capable;
+- bool indirect_rate_sampling = false;
+- bool rate_sampling = false;
+- int i, delta;
+- int mrr_ndx[3];
++ bool prev_sample = mi->prev_sample;
++ int delta;
+ int sampling_ratio;
+
+ /* management/no-ack frames do not use rate control */
+@@ -262,107 +307,75 @@ minstrel_get_rate(void *priv, struct iee
+ else
+ sampling_ratio = mp->lookaround_rate;
+
+- /* init rateindex [ndx] with max throughput rate */
+- ndx = mi->max_tp_rate[0];
+-
+ /* increase sum packet counter */
+ mi->packet_count++;
+
+ delta = (mi->packet_count * sampling_ratio / 100) -
+ (mi->sample_count + mi->sample_deferred / 2);
+
+- /* delta > 0: sampling required */
+- if ((delta > 0) && (mrr_capable || !mi->prev_sample)) {
+- struct minstrel_rate *msr;
+- if (mi->packet_count >= 10000) {
+- mi->sample_deferred = 0;
+- mi->sample_count = 0;
+- mi->packet_count = 0;
+- } else if (delta > mi->n_rates * 2) {
+- /* With multi-rate retry, not every planned sample
+- * attempt actually gets used, due to the way the retry
+- * chain is set up - [max_tp,sample,prob,lowest] for
+- * sample_rate < max_tp.
+- *
+- * If there's too much sampling backlog and the link
+- * starts getting worse, minstrel would start bursting
+- * out lots of sampling frames, which would result
+- * in a large throughput loss. */
+- mi->sample_count += (delta - mi->n_rates * 2);
+- }
++ /* delta < 0: no sampling required */
++ mi->prev_sample = false;
++ if (delta < 0 || (!mrr_capable && prev_sample))
++ return;
-- bf->bf_state.bf_type |= BUF_AMPDU;
-+ bf->bf_state.bf_type = BUF_AMPDU;
- INIT_LIST_HEAD(&bf_head);
- list_add(&bf->list, &bf_head);
+- /* get next random rate sample */
+- sample_ndx = minstrel_get_next_sample(mi);
+- msr = &mi->r[sample_ndx];
+- rate_sampling = true;
+-
+- /* Decide if direct ( 1st mrr stage) or indirect (2nd mrr stage)
+- * rate sampling method should be used.
+- * Respect such rates that are not sampled for 20 interations.
+- */
+- if (mrr_capable &&
+- msr->perfect_tx_time > mi->r[ndx].perfect_tx_time &&
+- msr->sample_skipped < 20)
+- indirect_rate_sampling = true;
+-
+- if (!indirect_rate_sampling) {
+- if (msr->sample_limit != 0) {
+- ndx = sample_ndx;
+- mi->sample_count++;
+- if (msr->sample_limit > 0)
+- msr->sample_limit--;
+- } else
+- rate_sampling = false;
+- } else {
+- /* Only use IEEE80211_TX_CTL_RATE_CTRL_PROBE to mark
+- * packets that have the sampling rate deferred to the
+- * second MRR stage. Increase the sample counter only
+- * if the deferred sample rate was actually used.
+- * Use the sample_deferred counter to make sure that
+- * the sampling is not done in large bursts */
+- info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
+- mi->sample_deferred++;
+- }
++ if (mi->packet_count >= 10000) {
++ mi->sample_deferred = 0;
++ mi->sample_count = 0;
++ mi->packet_count = 0;
++ } else if (delta > mi->n_rates * 2) {
++ /* With multi-rate retry, not every planned sample
++ * attempt actually gets used, due to the way the retry
++ * chain is set up - [max_tp,sample,prob,lowest] for
++ * sample_rate < max_tp.
++ *
++ * If there's too much sampling backlog and the link
++ * starts getting worse, minstrel would start bursting
++ * out lots of sampling frames, which would result
++ * in a large throughput loss. */
++ mi->sample_count += (delta - mi->n_rates * 2);
++ }
++
++ /* get next random rate sample */
++ ndx = minstrel_get_next_sample(mi);
++ msr = &mi->r[ndx];
++ mr = &mi->r[mi->max_tp_rate[0]];
++
++ /* Decide if direct ( 1st mrr stage) or indirect (2nd mrr stage)
++ * rate sampling method should be used.
++ * Respect such rates that are not sampled for 20 interations.
++ */
++ if (mrr_capable &&
++ msr->perfect_tx_time > mr->perfect_tx_time &&
++ msr->sample_skipped < 20) {
++ /* Only use IEEE80211_TX_CTL_RATE_CTRL_PROBE to mark
++ * packets that have the sampling rate deferred to the
++ * second MRR stage. Increase the sample counter only
++ * if the deferred sample rate was actually used.
++ * Use the sample_deferred counter to make sure that
++ * the sampling is not done in large bursts */
++ info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
++ rate++;
++ mi->sample_deferred++;
++ } else {
++ if (!msr->sample_limit != 0)
++ return;
++
++ mi->sample_count++;
++ if (msr->sample_limit > 0)
++ msr->sample_limit--;
+ }
+- mi->prev_sample = rate_sampling;
+
+ /* If we're not using MRR and the sampling rate already
+ * has a probability of >95%, we shouldn't be attempting
+ * to use it, as this only wastes precious airtime */
+- if (!mrr_capable && rate_sampling &&
++ if (!mrr_capable &&
+ (mi->r[ndx].probability > MINSTREL_FRAC(95, 100)))
+- ndx = mi->max_tp_rate[0];
+-
+- /* mrr setup for 1st stage */
+- ar[0].idx = mi->r[ndx].rix;
+- ar[0].count = minstrel_get_retry_count(&mi->r[ndx], info);
+-
+- /* non mrr setup for 2nd stage */
+- if (!mrr_capable) {
+- if (!rate_sampling)
+- ar[0].count = mp->max_retry;
+- ar[1].idx = mi->lowest_rix;
+- ar[1].count = mp->max_retry;
+ return;
+- }
-@@ -1493,7 +1696,7 @@ static void ath_tx_send_ampdu(struct ath
- /* Queue to h/w without aggregation */
- TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw);
- bf->bf_lastbf = bf;
-- ath_buf_set_rate(sc, bf, fi->framelen);
-+ ath_tx_fill_desc(sc, bf, txctl->txq, fi->framelen);
- ath_tx_txqaddbuf(sc, txctl->txq, &bf_head, false);
+- /* mrr setup for 2nd stage */
+- if (rate_sampling) {
+- if (indirect_rate_sampling)
+- mrr_ndx[0] = sample_ndx;
+- else
+- mrr_ndx[0] = mi->max_tp_rate[0];
+- } else {
+- mrr_ndx[0] = mi->max_tp_rate[1];
+- }
++ mi->prev_sample = true;
+
+- /* mrr setup for 3rd & 4th stage */
+- mrr_ndx[1] = mi->max_prob_rate;
+- mrr_ndx[2] = 0;
+- for (i = 1; i < 4; i++) {
+- ar[i].idx = mi->r[mrr_ndx[i - 1]].rix;
+- ar[i].count = mi->r[mrr_ndx[i - 1]].adjusted_retry_count;
+- }
++ rate->idx = mi->r[ndx].rix;
++ rate->count = minstrel_get_retry_count(&mi->r[ndx], info);
}
-@@ -1513,41 +1716,18 @@ static void ath_tx_send_normal(struct at
- INIT_LIST_HEAD(&bf_head);
- list_add_tail(&bf->list, &bf_head);
-- bf->bf_state.bf_type &= ~BUF_AMPDU;
-+ bf->bf_state.bf_type = 0;
-
- /* update starting sequence number for subsequent ADDBA request */
- if (tid)
- INCR(tid->seq_start, IEEE80211_SEQ_MAX);
-
- bf->bf_lastbf = bf;
-- ath_buf_set_rate(sc, bf, fi->framelen);
-+ ath_tx_fill_desc(sc, bf, txq, fi->framelen);
- ath_tx_txqaddbuf(sc, txq, &bf_head, false);
- TX_STAT_INC(txq->axq_qnum, queued);
+@@ -412,12 +425,16 @@ minstrel_rate_init(void *priv, struct ie
+ unsigned int i, n = 0;
+ unsigned int t_slot = 9; /* FIXME: get real slot time */
+
++ mi->sta = sta;
+ mi->lowest_rix = rate_lowest_index(sband, sta);
+ ctl_rate = &sband->bitrates[mi->lowest_rix];
+ mi->sp_ack_dur = ieee80211_frame_duration(sband->band, 10,
+ ctl_rate->bitrate,
+ !!(ctl_rate->flags & IEEE80211_RATE_ERP_G), 1);
+
++ memset(mi->max_tp_rate, 0, sizeof(mi->max_tp_rate));
++ mi->max_prob_rate = 0;
++
+ for (i = 0; i < sband->n_bitrates; i++) {
+ struct minstrel_rate *mr = &mi->r[n];
+ unsigned int tx_time = 0, tx_time_cts = 0, tx_time_rtscts = 0;
+@@ -460,6 +477,8 @@ minstrel_rate_init(void *priv, struct ie
+ } while ((tx_time < mp->segment_size) &&
+ (++mr->retry_count < mp->max_retry));
+ mr->adjusted_retry_count = mr->retry_count;
++ if (!(sband->bitrates[i].flags & IEEE80211_RATE_ERP_G))
++ mr->retry_count_cts = mr->retry_count;
+ }
+
+ for (i = n; i < sband->n_bitrates; i++) {
+@@ -471,6 +490,7 @@ minstrel_rate_init(void *priv, struct ie
+ mi->stats_update = jiffies;
+
+ init_sample_table(mi);
++ minstrel_update_rates(mp, mi);
}
--static enum ath9k_pkt_type get_hw_packet_type(struct sk_buff *skb)
--{
-- struct ieee80211_hdr *hdr;
-- enum ath9k_pkt_type htype;
-- __le16 fc;
--
-- hdr = (struct ieee80211_hdr *)skb->data;
-- fc = hdr->frame_control;
--
-- if (ieee80211_is_beacon(fc))
-- htype = ATH9K_PKT_TYPE_BEACON;
-- else if (ieee80211_is_probe_resp(fc))
-- htype = ATH9K_PKT_TYPE_PROBE_RESP;
-- else if (ieee80211_is_atim(fc))
-- htype = ATH9K_PKT_TYPE_ATIM;
-- else if (ieee80211_is_pspoll(fc))
-- htype = ATH9K_PKT_TYPE_PSPOLL;
-- else
-- htype = ATH9K_PKT_TYPE_NORMAL;
--
-- return htype;
--}
--
- static void setup_frame_info(struct ieee80211_hw *hw, struct sk_buff *skb,
- int framelen)
+ static void *
+--- a/net/mac80211/rc80211_minstrel.h
++++ b/net/mac80211/rc80211_minstrel.h
+@@ -9,7 +9,8 @@
+ #ifndef __RC_MINSTREL_H
+ #define __RC_MINSTREL_H
+
+-#define EWMA_LEVEL 75 /* ewma weighting factor [%] */
++#define EWMA_LEVEL 96 /* ewma weighting factor [/EWMA_DIV] */
++#define EWMA_DIV 128
+ #define SAMPLE_COLUMNS 10 /* number of columns in sample table */
+
+
+@@ -27,7 +28,7 @@
+ static inline int
+ minstrel_ewma(int old, int new, int weight)
{
-@@ -1575,51 +1755,6 @@ static void setup_frame_info(struct ieee
- fi->framelen = framelen;
+- return (new * (100 - weight) + old * weight) / 100;
++ return (new * (EWMA_DIV - weight) + old * weight) / EWMA_DIV;
}
--static int setup_tx_flags(struct sk_buff *skb)
--{
-- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-- int flags = 0;
--
-- flags |= ATH9K_TXDESC_INTREQ;
--
-- if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK)
-- flags |= ATH9K_TXDESC_NOACK;
--
-- if (tx_info->flags & IEEE80211_TX_CTL_LDPC)
-- flags |= ATH9K_TXDESC_LDPC;
--
-- return flags;
--}
--
--/*
-- * rix - rate index
-- * pktlen - total bytes (delims + data + fcs + pads + pad delims)
-- * width - 0 for 20 MHz, 1 for 40 MHz
-- * half_gi - to use 4us v/s 3.6 us for symbol time
-- */
--static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, int pktlen,
-- int width, int half_gi, bool shortPreamble)
--{
-- u32 nbits, nsymbits, duration, nsymbols;
-- int streams;
--
-- /* find number of symbols: PLCP + data */
-- streams = HT_RC_2_STREAMS(rix);
-- nbits = (pktlen << 3) + OFDM_PLCP_BITS;
-- nsymbits = bits_per_symbol[rix % 8][width] * streams;
-- nsymbols = (nbits + nsymbits - 1) / nsymbits;
--
-- if (!half_gi)
-- duration = SYMBOL_TIME(nsymbols);
-- else
-- duration = SYMBOL_TIME_HALFGI(nsymbols);
--
-- /* addup duration for legacy/ht training and signal fields */
-- duration += L_STF + L_LTF + L_SIG + HT_SIG + HT_STF + HT_LTF(streams);
--
-- return duration;
--}
--
- u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate)
- {
- struct ath_hw *ah = sc->sc_ah;
-@@ -1632,118 +1767,6 @@ u8 ath_txchainmask_reduction(struct ath_
- return chainmask;
+
+@@ -62,6 +63,8 @@ struct minstrel_rate {
+ };
+
+ struct minstrel_sta_info {
++ struct ieee80211_sta *sta;
++
+ unsigned long stats_update;
+ unsigned int sp_ack_dur;
+ unsigned int rate_avg;
+--- a/net/mac80211/rc80211_minstrel_debugfs.c
++++ b/net/mac80211/rc80211_minstrel_debugfs.c
+@@ -68,7 +68,7 @@ minstrel_stats_open(struct inode *inode,
+
+ file->private_data = ms;
+ p = ms->buf;
+- p += sprintf(p, "rate throughput ewma prob this prob "
++ p += sprintf(p, "rate throughput ewma prob this prob "
+ "this succ/attempt success attempts\n");
+ for (i = 0; i < mi->n_rates; i++) {
+ struct minstrel_rate *mr = &mi->r[i];
+@@ -86,7 +86,7 @@ minstrel_stats_open(struct inode *inode,
+ eprob = MINSTREL_TRUNC(mr->probability * 1000);
+
+ p += sprintf(p, " %6u.%1u %6u.%1u %6u.%1u "
+- "%3u(%3u) %8llu %8llu\n",
++ " %3u(%3u) %8llu %8llu\n",
+ tp / 10, tp % 10,
+ eprob / 10, eprob % 10,
+ prob / 10, prob % 10,
+--- a/net/mac80211/rc80211_minstrel_ht.c
++++ b/net/mac80211/rc80211_minstrel_ht.c
+@@ -126,6 +126,9 @@ const struct mcs_group minstrel_mcs_grou
+
+ static u8 sample_table[SAMPLE_COLUMNS][MCS_GROUP_RATES];
+
++static void
++minstrel_ht_update_rates(struct minstrel_priv *mp, struct minstrel_ht_sta *mi);
++
+ /*
+ * Look up an MCS group index based on mac80211 rate information
+ */
+@@ -244,6 +247,7 @@ minstrel_ht_update_stats(struct minstrel
+ struct minstrel_rate_stats *mr;
+ int cur_prob, cur_prob_tp, cur_tp, cur_tp2;
+ int group, i, index;
++ bool mi_rates_valid = false;
+
+ if (mi->ampdu_packets > 0) {
+ mi->avg_ampdu_len = minstrel_ewma(mi->avg_ampdu_len,
+@@ -254,11 +258,10 @@ minstrel_ht_update_stats(struct minstrel
+
+ mi->sample_slow = 0;
+ mi->sample_count = 0;
+- mi->max_tp_rate = 0;
+- mi->max_tp_rate2 = 0;
+- mi->max_prob_rate = 0;
+
+ for (group = 0; group < ARRAY_SIZE(minstrel_mcs_groups); group++) {
++ bool mg_rates_valid = false;
++
+ cur_prob = 0;
+ cur_prob_tp = 0;
+ cur_tp = 0;
+@@ -268,15 +271,24 @@ minstrel_ht_update_stats(struct minstrel
+ if (!mg->supported)
+ continue;
+
+- mg->max_tp_rate = 0;
+- mg->max_tp_rate2 = 0;
+- mg->max_prob_rate = 0;
+ mi->sample_count++;
+
+ for (i = 0; i < MCS_GROUP_RATES; i++) {
+ if (!(mg->supported & BIT(i)))
+ continue;
+
++ /* initialize rates selections starting indexes */
++ if (!mg_rates_valid) {
++ mg->max_tp_rate = mg->max_tp_rate2 =
++ mg->max_prob_rate = i;
++ if (!mi_rates_valid) {
++ mi->max_tp_rate = mi->max_tp_rate2 =
++ mi->max_prob_rate = i;
++ mi_rates_valid = true;
++ }
++ mg_rates_valid = true;
++ }
++
+ mr = &mg->rates[i];
+ mr->retry_updated = false;
+ index = MCS_GROUP_RATES * group + i;
+@@ -456,7 +468,7 @@ minstrel_ht_tx_status(void *priv, struct
+ struct ieee80211_tx_rate *ar = info->status.rates;
+ struct minstrel_rate_stats *rate, *rate2;
+ struct minstrel_priv *mp = priv;
+- bool last;
++ bool last, update = false;
+ int i;
+
+ if (!msp->is_ht)
+@@ -505,21 +517,29 @@ minstrel_ht_tx_status(void *priv, struct
+ rate = minstrel_get_ratestats(mi, mi->max_tp_rate);
+ if (rate->attempts > 30 &&
+ MINSTREL_FRAC(rate->success, rate->attempts) <
+- MINSTREL_FRAC(20, 100))
++ MINSTREL_FRAC(20, 100)) {
+ minstrel_downgrade_rate(mi, &mi->max_tp_rate, true);
++ update = true;
++ }
+
+ rate2 = minstrel_get_ratestats(mi, mi->max_tp_rate2);
+ if (rate2->attempts > 30 &&
+ MINSTREL_FRAC(rate2->success, rate2->attempts) <
+- MINSTREL_FRAC(20, 100))
++ MINSTREL_FRAC(20, 100)) {
+ minstrel_downgrade_rate(mi, &mi->max_tp_rate2, false);
++ update = true;
++ }
+
+ if (time_after(jiffies, mi->stats_update + (mp->update_interval / 2 * HZ) / 1000)) {
++ update = true;
+ minstrel_ht_update_stats(mp, mi);
+ if (!(info->flags & IEEE80211_TX_CTL_AMPDU) &&
+ mi->max_prob_rate / MCS_GROUP_RATES != MINSTREL_CCK_GROUP)
+ minstrel_aggr_check(sta, skb);
+ }
++
++ if (update)
++ minstrel_ht_update_rates(mp, mi);
+ }
+
+ static void
+@@ -580,39 +600,73 @@ minstrel_calc_retransmit(struct minstrel
+ (++mr->retry_count < mp->max_retry));
}
--static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len)
--{
-- struct ath_hw *ah = sc->sc_ah;
-- struct ath9k_11n_rate_series series[4];
-- struct sk_buff *skb;
-- struct ieee80211_tx_info *tx_info;
-- struct ieee80211_tx_rate *rates;
-- const struct ieee80211_rate *rate;
-- struct ieee80211_hdr *hdr;
-- int i, flags = 0;
-- u8 rix = 0, ctsrate = 0;
-- bool is_pspoll;
--
-- memset(series, 0, sizeof(struct ath9k_11n_rate_series) * 4);
--
-- skb = bf->bf_mpdu;
-- tx_info = IEEE80211_SKB_CB(skb);
-- rates = tx_info->control.rates;
-- hdr = (struct ieee80211_hdr *)skb->data;
-- is_pspoll = ieee80211_is_pspoll(hdr->frame_control);
--
-- /*
-- * We check if Short Preamble is needed for the CTS rate by
-- * checking the BSS's global flag.
-- * But for the rate series, IEEE80211_TX_RC_USE_SHORT_PREAMBLE is used.
-- */
-- rate = ieee80211_get_rts_cts_rate(sc->hw, tx_info);
-- ctsrate = rate->hw_value;
-- if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
-- ctsrate |= rate->hw_value_short;
--
-- for (i = 0; i < 4; i++) {
-- bool is_40, is_sgi, is_sp;
-- int phy;
--
-- if (!rates[i].count || (rates[i].idx < 0))
-- continue;
--
-- rix = rates[i].idx;
-- series[i].Tries = rates[i].count;
--
-- if (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS) {
-- series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
-- flags |= ATH9K_TXDESC_RTSENA;
-- } else if (rates[i].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
-- series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
-- flags |= ATH9K_TXDESC_CTSENA;
-- }
--
-- if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
-- series[i].RateFlags |= ATH9K_RATESERIES_2040;
-- if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
-- series[i].RateFlags |= ATH9K_RATESERIES_HALFGI;
--
-- is_sgi = !!(rates[i].flags & IEEE80211_TX_RC_SHORT_GI);
-- is_40 = !!(rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH);
-- is_sp = !!(rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE);
--
-- if (rates[i].flags & IEEE80211_TX_RC_MCS) {
-- /* MCS rates */
-- series[i].Rate = rix | 0x80;
-- series[i].ChSel = ath_txchainmask_reduction(sc,
-- ah->txchainmask, series[i].Rate);
-- series[i].PktDuration = ath_pkt_duration(sc, rix, len,
-- is_40, is_sgi, is_sp);
-- if (rix < 8 && (tx_info->flags & IEEE80211_TX_CTL_STBC))
-- series[i].RateFlags |= ATH9K_RATESERIES_STBC;
-- continue;
-- }
--
-- /* legacy rates */
-- if ((tx_info->band == IEEE80211_BAND_2GHZ) &&
-- !(rate->flags & IEEE80211_RATE_ERP_G))
-- phy = WLAN_RC_PHY_CCK;
-- else
-- phy = WLAN_RC_PHY_OFDM;
--
-- rate = &sc->sbands[tx_info->band].bitrates[rates[i].idx];
-- series[i].Rate = rate->hw_value;
-- if (rate->hw_value_short) {
-- if (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
-- series[i].Rate |= rate->hw_value_short;
-- } else {
-- is_sp = false;
-- }
--
-- if (bf->bf_state.bfs_paprd)
-- series[i].ChSel = ah->txchainmask;
-- else
-- series[i].ChSel = ath_txchainmask_reduction(sc,
-- ah->txchainmask, series[i].Rate);
--
-- series[i].PktDuration = ath9k_hw_computetxtime(sc->sc_ah,
-- phy, rate->bitrate * 100, len, rix, is_sp);
-- }
--
-- /* For AR5416 - RTS cannot be followed by a frame larger than 8K */
-- if (bf_isaggr(bf) && (len > sc->sc_ah->caps.rts_aggr_limit))
-- flags &= ~ATH9K_TXDESC_RTSENA;
--
-- /* ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive. */
-- if (flags & ATH9K_TXDESC_RTSENA)
-- flags &= ~ATH9K_TXDESC_CTSENA;
--
-- /* set dur_update_en for l-sig computation except for PS-Poll frames */
-- ath9k_hw_set11n_ratescenario(sc->sc_ah, bf->bf_desc,
-- bf->bf_lastbf->bf_desc,
-- !is_pspoll, ctsrate,
-- 0, series, 4, flags);
--
--}
-
- /*
- * Assign a descriptor (and sequence number if necessary,
- * and map buffer for DMA. Frees skb on error
-@@ -1753,13 +1776,10 @@ static struct ath_buf *ath_tx_setup_buff
- struct ath_atx_tid *tid,
- struct sk_buff *skb)
+ static void
+ minstrel_ht_set_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi,
+- struct ieee80211_tx_rate *rate, int index,
+- bool sample, bool rtscts)
++ struct ieee80211_sta_rates *ratetbl, int offset, int index)
{
-- struct ath_hw *ah = sc->sc_ah;
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- struct ath_frame_info *fi = get_frame_info(skb);
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- struct ath_buf *bf;
-- struct ath_desc *ds;
-- int frm_type;
- u16 seqno;
-
- bf = ath_tx_get_buffer(sc);
-@@ -1777,7 +1797,6 @@ static struct ath_buf *ath_tx_setup_buff
- bf->bf_state.seqno = seqno;
+ const struct mcs_group *group = &minstrel_mcs_groups[index / MCS_GROUP_RATES];
+ struct minstrel_rate_stats *mr;
++ u8 idx;
++ u16 flags;
+
+ mr = minstrel_get_ratestats(mi, index);
+ if (!mr->retry_updated)
+ minstrel_calc_retransmit(mp, mi, index);
+
+- if (sample)
+- rate->count = 1;
+- else if (mr->probability < MINSTREL_FRAC(20, 100))
+- rate->count = 2;
+- else if (rtscts)
+- rate->count = mr->retry_count_rtscts;
+- else
+- rate->count = mr->retry_count;
+-
+- rate->flags = 0;
+- if (rtscts)
+- rate->flags |= IEEE80211_TX_RC_USE_RTS_CTS;
++ if (mr->probability < MINSTREL_FRAC(20, 100) || !mr->retry_count) {
++ ratetbl->rate[offset].count = 2;
++ ratetbl->rate[offset].count_rts = 2;
++ ratetbl->rate[offset].count_cts = 2;
++ } else {
++ ratetbl->rate[offset].count = mr->retry_count;
++ ratetbl->rate[offset].count_cts = mr->retry_count;
++ ratetbl->rate[offset].count_rts = mr->retry_count_rtscts;
++ }
+
+ if (index / MCS_GROUP_RATES == MINSTREL_CCK_GROUP) {
+- rate->idx = mp->cck_rates[index % ARRAY_SIZE(mp->cck_rates)];
++ idx = mp->cck_rates[index % ARRAY_SIZE(mp->cck_rates)];
++ flags = 0;
++ } else {
++ idx = index % MCS_GROUP_RATES +
++ (group->streams - 1) * MCS_GROUP_RATES;
++ flags = IEEE80211_TX_RC_MCS | group->flags;
++ }
++
++ if (offset > 0) {
++ ratetbl->rate[offset].count = ratetbl->rate[offset].count_rts;
++ flags |= IEEE80211_TX_RC_USE_RTS_CTS;
++ }
++
++ ratetbl->rate[offset].idx = idx;
++ ratetbl->rate[offset].flags = flags;
++}
++
++static void
++minstrel_ht_update_rates(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
++{
++ struct ieee80211_sta_rates *rates;
++ int i = 0;
++
++ rates = kzalloc(sizeof(*rates), GFP_ATOMIC);
++ if (!rates)
+ return;
++
++ /* Start with max_tp_rate */
++ minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_tp_rate);
++
++ if (mp->hw->max_rates >= 3) {
++ /* At least 3 tx rates supported, use max_tp_rate2 next */
++ minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_tp_rate2);
++ }
++
++ if (mp->hw->max_rates >= 2) {
++ /*
++ * At least 2 tx rates supported, use max_prob_rate next */
++ minstrel_ht_set_rate(mp, mi, rates, i++, mi->max_prob_rate);
}
-- bf->bf_flags = setup_tx_flags(skb);
- bf->bf_mpdu = skb;
+- rate->flags |= IEEE80211_TX_RC_MCS | group->flags;
+- rate->idx = index % MCS_GROUP_RATES + (group->streams - 1) * MCS_GROUP_RATES;
++ rates->rate[i].idx = -1;
++ rate_control_set_rates(mp->hw, mi->sta, rates);
+ }
- bf->bf_buf_addr = dma_map_single(sc->dev, skb->data,
-@@ -1791,22 +1810,6 @@ static struct ath_buf *ath_tx_setup_buff
- goto error;
+ static inline int
+@@ -702,13 +756,13 @@ static void
+ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
+ struct ieee80211_tx_rate_control *txrc)
+ {
++ const struct mcs_group *sample_group;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txrc->skb);
+- struct ieee80211_tx_rate *ar = info->status.rates;
++ struct ieee80211_tx_rate *rate = &info->status.rates[0];
+ struct minstrel_ht_sta_priv *msp = priv_sta;
+ struct minstrel_ht_sta *mi = &msp->ht;
+ struct minstrel_priv *mp = priv;
+ int sample_idx;
+- bool sample = false;
+
+ if (rate_control_send_low(sta, priv_sta, txrc))
+ return;
+@@ -736,51 +790,6 @@ minstrel_ht_get_rate(void *priv, struct
}
+ #endif
-- frm_type = get_hw_packet_type(skb);
+- if (sample_idx >= 0) {
+- sample = true;
+- minstrel_ht_set_rate(mp, mi, &ar[0], sample_idx,
+- true, false);
+- info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
+- } else {
+- minstrel_ht_set_rate(mp, mi, &ar[0], mi->max_tp_rate,
+- false, false);
+- }
+-
+- if (mp->hw->max_rates >= 3) {
+- /*
+- * At least 3 tx rates supported, use
+- * sample_rate -> max_tp_rate -> max_prob_rate for sampling and
+- * max_tp_rate -> max_tp_rate2 -> max_prob_rate by default.
+- */
+- if (sample_idx >= 0)
+- minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_tp_rate,
+- false, false);
+- else
+- minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_tp_rate2,
+- false, true);
-
-- ds = bf->bf_desc;
-- ath9k_hw_set_desc_link(ah, ds, 0);
+- minstrel_ht_set_rate(mp, mi, &ar[2], mi->max_prob_rate,
+- false, !sample);
-
-- ath9k_hw_set11n_txdesc(ah, ds, fi->framelen, frm_type, MAX_RATE_POWER,
-- fi->keyix, fi->keytype, bf->bf_flags);
+- ar[3].count = 0;
+- ar[3].idx = -1;
+- } else if (mp->hw->max_rates == 2) {
+- /*
+- * Only 2 tx rates supported, use
+- * sample_rate -> max_prob_rate for sampling and
+- * max_tp_rate -> max_prob_rate by default.
+- */
+- minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_prob_rate,
+- false, !sample);
-
-- ath9k_hw_filltxdesc(ah, ds,
-- skb->len, /* segment length */
-- true, /* first segment */
-- true, /* last segment */
-- ds, /* first descriptor */
-- bf->bf_buf_addr,
-- txq->axq_qnum);
+- ar[2].count = 0;
+- ar[2].idx = -1;
+- } else {
+- /* Not using MRR, only use the first rate */
+- ar[1].count = 0;
+- ar[1].idx = -1;
+- }
-
- fi->bf = bf;
+ mi->total_packets++;
- return bf;
-@@ -1849,16 +1852,9 @@ static void ath_tx_start_dma(struct ath_
+ /* wraparound */
+@@ -788,6 +797,16 @@ minstrel_ht_get_rate(void *priv, struct
+ mi->total_packets = 0;
+ mi->sample_packets = 0;
+ }
++
++ if (sample_idx < 0)
++ return;
++
++ sample_group = &minstrel_mcs_groups[sample_idx / MCS_GROUP_RATES];
++ info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
++ rate->idx = sample_idx % MCS_GROUP_RATES +
++ (sample_group->streams - 1) * MCS_GROUP_RATES;
++ rate->flags = IEEE80211_TX_RC_MCS | sample_group->flags;
++ rate->count = 1;
+ }
- bf->bf_state.bfs_paprd = txctl->paprd;
+ static void
+@@ -837,6 +856,8 @@ minstrel_ht_update_caps(void *priv, stru
-- if (bf->bf_state.bfs_paprd)
-- ar9003_hw_set_paprd_txdesc(sc->sc_ah, bf->bf_desc,
-- bf->bf_state.bfs_paprd);
--
- if (txctl->paprd)
- bf->bf_state.bfs_paprd_timestamp = jiffies;
+ msp->is_ht = true;
+ memset(mi, 0, sizeof(*mi));
++
++ mi->sta = sta;
+ mi->stats_update = jiffies;
-- if (tx_info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT)
-- ath9k_hw_set_clrdmask(sc->sc_ah, bf->bf_desc, true);
--
- ath_tx_send_normal(sc, txctl->txq, tid, skb);
- }
+ ack_dur = ieee80211_frame_duration(sband->band, 10, 60, 1, 1);
+@@ -898,6 +919,9 @@ minstrel_ht_update_caps(void *priv, stru
+ if (!n_supported)
+ goto use_legacy;
+
++ minstrel_ht_update_stats(mp, mi);
++ minstrel_ht_update_rates(mp, mi);
++
+ return;
-@@ -1899,15 +1895,18 @@ int ath_tx_start(struct ieee80211_hw *hw
- hdr->seq_ctrl |= cpu_to_le16(sc->tx.seq_no);
+ use_legacy:
+--- a/net/mac80211/rc80211_minstrel_ht.h
++++ b/net/mac80211/rc80211_minstrel_ht.h
+@@ -65,6 +65,8 @@ struct minstrel_mcs_group_data {
+ };
+
+ struct minstrel_ht_sta {
++ struct ieee80211_sta *sta;
++
+ /* ampdu length (average, per sampling interval) */
+ unsigned int ampdu_len;
+ unsigned int ampdu_packets;
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -1372,6 +1372,7 @@ ieee80211_rx_h_sta_process(struct ieee80
+ struct sk_buff *skb = rx->skb;
+ struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
++ int i;
+
+ if (!sta)
+ return RX_CONTINUE;
+@@ -1422,6 +1423,19 @@ ieee80211_rx_h_sta_process(struct ieee80
+ ewma_add(&sta->avg_signal, -status->signal);
}
-- /* Add the padding after the header if this is not already done */
-- padpos = ath9k_cmn_padpos(hdr->frame_control);
-- padsize = padpos & 3;
-- if (padsize && skb->len > padpos) {
-- if (skb_headroom(skb) < padsize)
-- return -ENOMEM;
--
-- skb_push(skb, padsize);
-- memmove(skb->data, skb->data + padsize, padpos);
-+ if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)) {
-+ /* Add the padding after the header if this is not already done */
-+ padpos = ath9k_cmn_padpos(hdr->frame_control);
-+ padsize = padpos & 3;
-+ if (padsize && skb->len > padpos) {
-+ if (skb_headroom(skb) < padsize)
-+ return -ENOMEM;
-+
-+ skb_push(skb, padsize);
-+ memmove(skb->data, skb->data + padsize, padpos);
-+ hdr = (struct ieee80211_hdr *) skb->data;
++ if (status->chains) {
++ sta->chains = status->chains;
++ for (i = 0; i < ARRAY_SIZE(status->chain_signal); i++) {
++ int signal = status->chain_signal[i];
++
++ if (!(status->chains & BIT(i)))
++ continue;
++
++ sta->chain_signal_last[i] = signal;
++ ewma_add(&sta->chain_signal_avg[i], -signal);
+ }
++ }
++
+ /*
+ * Change STA power saving mode only at the end of a frame
+ * exchange sequence.
+@@ -2085,6 +2099,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80
}
- if ((vif && vif->type != NL80211_IFTYPE_AP &&
-@@ -1953,20 +1952,21 @@ static void ath_tx_complete(struct ath_s
- if (tx_flags & ATH_TX_BAR)
- tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
+ fwd_hdr = (struct ieee80211_hdr *) fwd_skb->data;
++ fwd_hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_RETRY);
+ info = IEEE80211_SKB_CB(fwd_skb);
+ memset(info, 0, sizeof(*info));
+ info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
+@@ -2356,6 +2371,7 @@ 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;
-- if (!(tx_flags & (ATH_TX_ERROR | ATH_TX_XRETRY))) {
-+ if (!(tx_flags & ATH_TX_ERROR))
- /* Frame was ACKed */
- tx_info->flags |= IEEE80211_TX_STAT_ACK;
-- }
+@@ -2423,6 +2439,22 @@ ieee80211_rx_h_action(struct ieee80211_r
+ }
-- padpos = ath9k_cmn_padpos(hdr->frame_control);
-- padsize = padpos & 3;
-- if (padsize && skb->len>padpos+padsize) {
-- /*
-- * Remove MAC header padding before giving the frame back to
-- * mac80211.
-- */
-- memmove(skb->data + padsize, skb->data, padpos);
-- skb_pull(skb, padsize);
-+ if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)) {
-+ padpos = ath9k_cmn_padpos(hdr->frame_control);
-+ padsize = padpos & 3;
-+ if (padsize && skb->len>padpos+padsize) {
-+ /*
-+ * Remove MAC header padding before giving the frame back to
-+ * mac80211.
-+ */
-+ memmove(skb->data + padsize, skb->data, padpos);
-+ skb_pull(skb, padsize);
-+ }
- }
+ break;
++ case WLAN_CATEGORY_PUBLIC:
++ if (len < IEEE80211_MIN_ACTION_SIZE + 1)
++ goto invalid;
++ if (sdata->vif.type != NL80211_IFTYPE_STATION)
++ break;
++ if (!rx->sta)
++ break;
++ if (!ether_addr_equal(mgmt->bssid, sdata->u.mgd.bssid))
++ break;
++ if (mgmt->u.action.u.ext_chan_switch.action_code !=
++ WLAN_PUB_ACTION_EXT_CHANSW_ANN)
++ break;
++ if (len < offsetof(struct ieee80211_mgmt,
++ u.action.u.ext_chan_switch.variable))
++ goto invalid;
++ goto queue;
+ case WLAN_CATEGORY_VHT:
+ if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+ sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
+@@ -2506,10 +2538,6 @@ ieee80211_rx_h_action(struct ieee80211_r
+ ieee80211_process_measurement_req(sdata, mgmt, len);
+ goto handled;
+ case WLAN_ACTION_SPCT_CHL_SWITCH:
+- if (len < (IEEE80211_MIN_ACTION_SIZE +
+- sizeof(mgmt->u.action.u.chan_switch)))
+- break;
+-
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ break;
- if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) {
-@@ -2000,18 +2000,18 @@ static void ath_tx_complete_buf(struct a
- struct ath_tx_status *ts, int txok, int sendbar)
- {
- struct sk_buff *skb = bf->bf_mpdu;
-+ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- unsigned long flags;
- int tx_flags = 0;
+@@ -2695,14 +2723,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
- if (sendbar)
- tx_flags = ATH_TX_BAR;
+ 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;
-- if (!txok) {
-+ if (!txok)
- tx_flags |= ATH_TX_ERROR;
+ 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):
+@@ -3023,6 +3052,9 @@ static int prepare_for_handlers(struct i
+ * and location updates. Note that mac80211
+ * itself never looks at these frames.
+ */
++ if (!multicast &&
++ !ether_addr_equal(sdata->vif.addr, hdr->addr1))
++ return 0;
+ if (ieee80211_is_public_action(hdr, skb->len))
+ return 1;
+ if (!ieee80211_is_beacon(hdr->frame_control))
+@@ -3031,10 +3063,16 @@ static int prepare_for_handlers(struct i
+ }
+ break;
+ case NL80211_IFTYPE_WDS:
+- if (bssid || !ieee80211_is_data(hdr->frame_control))
+- return 0;
+ if (!ether_addr_equal(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;
+ case NL80211_IFTYPE_P2P_DEVICE:
+ if (!ieee80211_is_public_action(hdr, skb->len) &&
+--- a/net/mac80211/scan.c
++++ b/net/mac80211/scan.c
+@@ -181,7 +181,7 @@ void ieee80211_scan_rx(struct ieee80211_
+ if (baselen > skb->len)
+ return;
-- if (bf_isxretried(bf))
-- tx_flags |= ATH_TX_XRETRY;
-- }
-+ if (ts->ts_status & ATH9K_TXERR_FILT)
-+ tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
+- ieee802_11_parse_elems(elements, skb->len - baselen, &elems);
++ ieee802_11_parse_elems(elements, skb->len - baselen, false, &elems);
- dma_unmap_single(sc->dev, bf->bf_buf_addr, skb->len, DMA_TO_DEVICE);
- bf->bf_buf_addr = 0;
-@@ -2024,7 +2024,7 @@ static void ath_tx_complete_buf(struct a
- else
- complete(&sc->paprd_complete);
- } else {
-- ath_debug_stat_tx(sc, bf, ts, txq);
-+ ath_debug_stat_tx(sc, bf, ts, txq, tx_flags);
- ath_tx_complete(sc, skb, tx_flags, txq);
- }
- /* At this point, skb (bf->bf_mpdu) is consumed...make sure we don't
-@@ -2042,7 +2042,7 @@ static void ath_tx_complete_buf(struct a
+ channel = ieee80211_get_channel(local->hw.wiphy, rx_status->freq);
- static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf,
- struct ath_tx_status *ts, int nframes, int nbad,
-- int txok, bool update_rc)
-+ int txok)
- {
- struct sk_buff *skb = bf->bf_mpdu;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-@@ -2057,9 +2057,7 @@ static void ath_tx_rc_status(struct ath_
- tx_rateindex = ts->ts_rateindex;
- WARN_ON(tx_rateindex >= hw->max_rates);
-
-- if (ts->ts_status & ATH9K_TXERR_FILT)
-- tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
-- if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && update_rc) {
-+ if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) {
- tx_info->flags |= IEEE80211_TX_STAT_AMPDU;
-
- BUG_ON(nbad > nframes);
-@@ -2069,7 +2067,7 @@ static void ath_tx_rc_status(struct ath_
+--- a/net/mac80211/sta_info.h
++++ b/net/mac80211/sta_info.h
+@@ -32,7 +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.
+@@ -66,7 +65,6 @@ 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,
+@@ -344,6 +342,11 @@ struct sta_info {
+ int last_signal;
+ struct ewma avg_signal;
+ int last_ack_signal;
++
++ u8 chains;
++ s8 chain_signal_last[IEEE80211_MAX_CHAINS];
++ struct ewma chain_signal_avg[IEEE80211_MAX_CHAINS];
++
+ /* Plus 1 for non-QoS frames */
+ __le16 last_seq_ctrl[IEEE80211_NUM_TIDS + 1];
+
+--- a/net/mac80211/trace.h
++++ b/net/mac80211/trace.h
+@@ -990,23 +990,23 @@ TRACE_EVENT(drv_channel_switch,
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
++ CHANDEF_ENTRY
+ __field(u64, timestamp)
+ __field(bool, block_tx)
+- __field(u16, freq)
+ __field(u8, count)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
++ CHANDEF_ASSIGN(&ch_switch->chandef)
+ __entry->timestamp = ch_switch->timestamp;
+ __entry->block_tx = ch_switch->block_tx;
+- __entry->freq = ch_switch->channel->center_freq;
+ __entry->count = ch_switch->count;
+ ),
+
+ TP_printk(
+- LOCAL_PR_FMT " new freq:%u count:%d",
+- LOCAL_PR_ARG, __entry->freq, __entry->count
++ LOCAL_PR_FMT " new " CHANDEF_PR_FMT " count:%d",
++ LOCAL_PR_ARG, CHANDEF_PR_ARG, __entry->count
+ )
+ );
+
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -48,15 +48,15 @@ static __le16 ieee80211_duration(struct
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+ /* assume HW handles this */
+- if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS)
++ if (tx->rate.flags & IEEE80211_TX_RC_MCS)
+ return 0;
+
+ /* uh huh? */
+- if (WARN_ON_ONCE(info->control.rates[0].idx < 0))
++ if (WARN_ON_ONCE(tx->rate.idx < 0))
+ return 0;
+
+ sband = local->hw.wiphy->bands[info->band];
+- txrate = &sband->bitrates[info->control.rates[0].idx];
++ txrate = &sband->bitrates[tx->rate.idx];
+
+ erp = txrate->flags & IEEE80211_RATE_ERP_G;
+
+@@ -617,11 +617,9 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
+ struct ieee80211_hdr *hdr = (void *)tx->skb->data;
+ struct ieee80211_supported_band *sband;
+- struct ieee80211_rate *rate;
+- int i;
+ u32 len;
+- bool inval = false, rts = false, short_preamble = false;
+ struct ieee80211_tx_rate_control txrc;
++ struct ieee80211_sta_rates *ratetbl = NULL;
+ bool assoc = false;
+
+ memset(&txrc, 0, sizeof(txrc));
+@@ -642,18 +640,23 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
+ txrc.max_rate_idx = -1;
+ else
+ txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
+- memcpy(txrc.rate_idx_mcs_mask,
+- tx->sdata->rc_rateidx_mcs_mask[info->band],
+- sizeof(txrc.rate_idx_mcs_mask));
++
++ if (tx->sdata->rc_has_mcs_mask[info->band])
++ txrc.rate_idx_mcs_mask =
++ tx->sdata->rc_rateidx_mcs_mask[info->band];
++
+ txrc.bss = (tx->sdata->vif.type == NL80211_IFTYPE_AP ||
+ tx->sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
+ tx->sdata->vif.type == NL80211_IFTYPE_ADHOC);
+
+ /* set up RTS protection if desired */
+ if (len > tx->local->hw.wiphy->rts_threshold) {
+- txrc.rts = rts = true;
++ txrc.rts = true;
}
- if ((ts->ts_status & ATH9K_TXERR_FILT) == 0 &&
-- (bf->bf_flags & ATH9K_TXDESC_NOACK) == 0 && update_rc) {
-+ (tx_info->flags & IEEE80211_TX_CTL_NO_ACK) == 0) {
- /*
- * If an underrun error is seen assume it as an excessive
- * retry only if max frame trigger level has been reached
-@@ -2082,9 +2080,9 @@ static void ath_tx_rc_status(struct ath_
- * successfully by eventually preferring slower rates.
- * This itself should also alleviate congestion on the bus.
- */
-- if (ieee80211_is_data(hdr->frame_control) &&
-- (ts->ts_flags & (ATH9K_TX_DATA_UNDERRUN |
-- ATH9K_TX_DELIM_UNDERRUN)) &&
-+ if (unlikely(ts->ts_flags & (ATH9K_TX_DATA_UNDERRUN |
-+ ATH9K_TX_DELIM_UNDERRUN)) &&
-+ ieee80211_is_data(hdr->frame_control) &&
- ah->tx_trig_level >= sc->sc_ah->config.max_txtrig_level)
- tx_info->status.rates[tx_rateindex].count =
- hw->max_rate_tries;
-@@ -2115,13 +2113,7 @@ static void ath_tx_process_buffer(struct
- spin_unlock_bh(&txq->axq_lock);
-
- if (!bf_isampdu(bf)) {
-- /*
-- * This frame is sent out as a single frame.
-- * Use hardware retry status for this frame.
-- */
-- if (ts->ts_status & ATH9K_TXERR_XRETRY)
-- bf->bf_state.bf_type |= BUF_XRETRY;
-- ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok, true);
-+ ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok);
- ath_tx_complete_buf(sc, bf, txq, bf_head, ts, txok, 0);
- } else
- ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok, true);
---- a/net/mac80211/agg-rx.c
-+++ b/net/mac80211/agg-rx.c
-@@ -180,6 +180,8 @@ static void ieee80211_send_addba_resp(st
- 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);
-+ else if (sdata->vif.type == NL80211_IFTYPE_WDS)
-+ memcpy(mgmt->bssid, da, ETH_ALEN);
++ info->control.use_rts = txrc.rts;
++ info->control.use_cts_prot = tx->sdata->vif.bss_conf.use_cts_prot;
++
+ /*
+ * Use short preamble if the BSS can handle it, but not for
+ * management frames unless we know the receiver can handle
+@@ -663,7 +666,9 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
+ if (tx->sdata->vif.bss_conf.use_short_preamble &&
+ (ieee80211_is_data(hdr->frame_control) ||
+ (tx->sta && test_sta_flag(tx->sta, WLAN_STA_SHORT_PREAMBLE))))
+- txrc.short_preamble = short_preamble = true;
++ txrc.short_preamble = true;
++
++ info->control.short_preamble = txrc.short_preamble;
- mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_ACTION);
---- a/net/mac80211/agg-tx.c
-+++ b/net/mac80211/agg-tx.c
-@@ -77,7 +77,8 @@ static void ieee80211_send_addba_request
- memcpy(mgmt->da, da, ETH_ALEN);
- 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_AP_VLAN ||
-+ 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);
-@@ -397,7 +398,8 @@ int ieee80211_start_tx_ba_session(struct
+ if (tx->sta)
+ assoc = test_sta_flag(tx->sta, WLAN_STA_ASSOC);
+@@ -687,16 +692,38 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
*/
- if (sdata->vif.type != NL80211_IFTYPE_STATION &&
- sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
-- sdata->vif.type != NL80211_IFTYPE_AP)
-+ sdata->vif.type != NL80211_IFTYPE_AP &&
-+ sdata->vif.type != NL80211_IFTYPE_WDS)
- return -EINVAL;
+ rate_control_get_rate(tx->sdata, tx->sta, &txrc);
- if (test_sta_flags(sta, WLAN_STA_BLOCK_BA)) {
---- a/net/mac80211/debugfs_sta.c
-+++ b/net/mac80211/debugfs_sta.c
-@@ -59,7 +59,7 @@ static ssize_t sta_flags_read(struct fil
- char buf[100];
- struct sta_info *sta = file->private_data;
- u32 staflags = get_sta_flags(sta);
-- int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s",
-+ int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s",
- staflags & WLAN_STA_AUTH ? "AUTH\n" : "",
- staflags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
- staflags & WLAN_STA_PS_STA ? "PS (sta)\n" : "",
-@@ -67,7 +67,6 @@ static ssize_t sta_flags_read(struct fil
- staflags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
- staflags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
- staflags & WLAN_STA_WME ? "WME\n" : "",
-- staflags & WLAN_STA_WDS ? "WDS\n" : "",
- staflags & WLAN_STA_MFP ? "MFP\n" : "");
- return simple_read_from_buffer(userbuf, count, ppos, buf, res);
- }
---- 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;
-@@ -290,27 +289,6 @@ static int ieee80211_do_open(struct net_
+- if (unlikely(info->control.rates[0].idx < 0))
+- return TX_DROP;
++ if (tx->sta && !info->control.skip_table)
++ ratetbl = rcu_dereference(tx->sta->sta.rates);
++
++ if (unlikely(info->control.rates[0].idx < 0)) {
++ if (ratetbl) {
++ struct ieee80211_tx_rate rate = {
++ .idx = ratetbl->rate[0].idx,
++ .flags = ratetbl->rate[0].flags,
++ .count = ratetbl->rate[0].count
++ };
++
++ if (ratetbl->rate[0].idx < 0)
++ return TX_DROP;
++
++ tx->rate = rate;
++ } else {
++ return TX_DROP;
++ }
++ } else {
++ tx->rate = info->control.rates[0];
++ }
- set_bit(SDATA_STATE_RUNNING, &sdata->state);
+ if (txrc.reported_rate.idx < 0) {
+- txrc.reported_rate = info->control.rates[0];
++ txrc.reported_rate = tx->rate;
+ if (tx->sta && ieee80211_is_data(hdr->frame_control))
+ tx->sta->last_tx_rate = txrc.reported_rate;
+ } else if (tx->sta)
+ tx->sta->last_tx_rate = txrc.reported_rate;
-- 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;
++ if (ratetbl)
++ return TX_CONTINUE;
++
+ if (unlikely(!info->control.rates[0].count))
+ info->control.rates[0].count = 1;
+
+@@ -704,91 +731,6 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
+ (info->flags & IEEE80211_TX_CTL_NO_ACK)))
+ info->control.rates[0].count = 1;
+
+- if (is_multicast_ether_addr(hdr->addr1)) {
+- /*
+- * XXX: verify the rate is in the basic rateset
+- */
+- return TX_CONTINUE;
+- }
+-
+- /*
+- * set up the RTS/CTS rate as the fastest basic rate
+- * that is not faster than the data rate
+- *
+- * XXX: Should this check all retry rates?
+- */
+- if (!(info->control.rates[0].flags & IEEE80211_TX_RC_MCS)) {
+- s8 baserate = 0;
+-
+- rate = &sband->bitrates[info->control.rates[0].idx];
+-
+- for (i = 0; i < sband->n_bitrates; i++) {
+- /* must be a basic rate */
+- if (!(tx->sdata->vif.bss_conf.basic_rates & BIT(i)))
+- continue;
+- /* must not be faster than the data rate */
+- if (sband->bitrates[i].bitrate > rate->bitrate)
+- continue;
+- /* maximum */
+- if (sband->bitrates[baserate].bitrate <
+- sband->bitrates[i].bitrate)
+- baserate = i;
- }
-
-- /* no locking required since STA is not live yet */
-- sta->flags |= WLAN_STA_AUTHORIZED;
+- info->control.rts_cts_rate_idx = baserate;
+- }
-
-- res = sta_info_insert(sta);
-- if (res) {
-- /* STA has been freed */
-- goto err_del_interface;
+- for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+- /*
+- * make sure there's no valid rate following
+- * an invalid one, just in case drivers don't
+- * take the API seriously to stop at -1.
+- */
+- if (inval) {
+- info->control.rates[i].idx = -1;
+- continue;
+- }
+- if (info->control.rates[i].idx < 0) {
+- inval = true;
+- continue;
- }
-
-- rate_control_rate_init(sta);
+- /*
+- * For now assume MCS is already set up correctly, this
+- * needs to be fixed.
+- */
+- if (info->control.rates[i].flags & IEEE80211_TX_RC_MCS) {
+- WARN_ON(info->control.rates[i].idx > 76);
+- continue;
+- }
+-
+- /* set up RTS protection if desired */
+- if (rts)
+- info->control.rates[i].flags |=
+- IEEE80211_TX_RC_USE_RTS_CTS;
+-
+- /* RC is busted */
+- if (WARN_ON_ONCE(info->control.rates[i].idx >=
+- sband->n_bitrates)) {
+- info->control.rates[i].idx = -1;
+- continue;
+- }
+-
+- rate = &sband->bitrates[info->control.rates[i].idx];
+-
+- /* set up short preamble */
+- if (short_preamble &&
+- rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
+- info->control.rates[i].flags |=
+- IEEE80211_TX_RC_USE_SHORT_PREAMBLE;
+-
+- /* set up G protection */
+- if (!rts && tx->sdata->vif.bss_conf.use_cts_prot &&
+- rate->flags & IEEE80211_RATE_ERP_G)
+- info->control.rates[i].flags |=
+- IEEE80211_TX_RC_USE_CTS_PROTECT;
- }
-
- /*
- * set_multicast_list will be invoked by the networking core
- * which will check whether any increments here were done in
-@@ -344,8 +322,7 @@ static int ieee80211_do_open(struct net_
- netif_tx_start_all_queues(dev);
+ return TX_CONTINUE;
+ }
- return 0;
-- err_del_interface:
-- drv_remove_interface(local, &sdata->vif);
-+
- err_stop:
- if (!local->open_count)
- drv_stop(local);
-@@ -718,6 +695,70 @@ static void ieee80211_if_setup(struct ne
- dev->destructor = free_netdev;
+@@ -2508,8 +2450,6 @@ struct sk_buff *ieee80211_beacon_get_tim
+ txrc.max_rate_idx = -1;
+ else
+ txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
+- memcpy(txrc.rate_idx_mcs_mask, sdata->rc_rateidx_mcs_mask[band],
+- sizeof(txrc.rate_idx_mcs_mask));
+ txrc.bss = true;
+ rate_control_get_rate(sdata, NULL, &txrc);
+
+--- a/net/mac80211/util.c
++++ b/net/mac80211/util.c
+@@ -485,7 +485,8 @@ int ieee80211_queue_stopped(struct ieee8
+ return true;
+
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+- ret = !!local->queue_stop_reasons[queue];
++ ret = test_bit(IEEE80211_QUEUE_STOP_REASON_DRIVER,
++ &local->queue_stop_reasons[queue]);
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+ return ret;
}
+@@ -660,7 +661,7 @@ void ieee80211_queue_delayed_work(struct
+ }
+ EXPORT_SYMBOL(ieee80211_queue_delayed_work);
-+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;
+-u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
++u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, bool action,
+ struct ieee802_11_elems *elems,
+ u64 filter, u32 crc)
+ {
+@@ -668,6 +669,7 @@ u32 ieee802_11_parse_elems_crc(u8 *start
+ u8 *pos = start;
+ bool calc_crc = filter != 0;
+ DECLARE_BITMAP(seen_elems, 256);
++ const u8 *ie;
+
+ bitmap_zero(seen_elems, 256);
+ memset(elems, 0, sizeof(*elems));
+@@ -715,6 +717,12 @@ u32 ieee802_11_parse_elems_crc(u8 *start
+ case WLAN_EID_COUNTRY:
+ case WLAN_EID_PWR_CONSTRAINT:
+ case WLAN_EID_TIMEOUT_INTERVAL:
++ case WLAN_EID_SECONDARY_CHANNEL_OFFSET:
++ case WLAN_EID_WIDE_BW_CHANNEL_SWITCH:
++ /*
++ * not listing WLAN_EID_CHANNEL_SWITCH_WRAPPER -- it seems possible
++ * that if the content gets bigger it might be needed more than once
++ */
+ if (test_bit(id, seen_elems)) {
+ elems->parse_error = true;
+ left -= elen;
+@@ -862,6 +870,48 @@ u32 ieee802_11_parse_elems_crc(u8 *start
+ }
+ elems->ch_switch_ie = (void *)pos;
+ break;
++ case WLAN_EID_EXT_CHANSWITCH_ANN:
++ if (elen != sizeof(struct ieee80211_ext_chansw_ie)) {
++ elem_parse_failed = true;
++ break;
++ }
++ elems->ext_chansw_ie = (void *)pos;
++ break;
++ case WLAN_EID_SECONDARY_CHANNEL_OFFSET:
++ if (elen != sizeof(struct ieee80211_sec_chan_offs_ie)) {
++ elem_parse_failed = true;
++ break;
++ }
++ elems->sec_chan_offs = (void *)pos;
++ break;
++ case WLAN_EID_WIDE_BW_CHANNEL_SWITCH:
++ if (!action ||
++ elen != sizeof(*elems->wide_bw_chansw_ie)) {
++ elem_parse_failed = true;
++ break;
++ }
++ elems->wide_bw_chansw_ie = (void *)pos;
++ break;
++ case WLAN_EID_CHANNEL_SWITCH_WRAPPER:
++ if (action) {
++ elem_parse_failed = true;
++ break;
++ }
++ /*
++ * This is a bit tricky, but as we only care about
++ * the wide bandwidth channel switch element, so
++ * just parse it out manually.
++ */
++ ie = cfg80211_find_ie(WLAN_EID_WIDE_BW_CHANNEL_SWITCH,
++ pos, elen);
++ if (ie) {
++ if (ie[1] == sizeof(*elems->wide_bw_chansw_ie))
++ elems->wide_bw_chansw_ie =
++ (void *)(ie + 2);
++ else
++ elem_parse_failed = true;
++ }
++ break;
+ case WLAN_EID_COUNTRY:
+ elems->country_elem = pos;
+ elems->country_elem_len = elen;
+--- a/net/wireless/reg.c
++++ b/net/wireless/reg.c
+@@ -857,7 +857,7 @@ static void handle_channel(struct wiphy
+ return;
+
+ REG_DBG_PRINT("Disabling freq %d MHz\n", chan->center_freq);
+- chan->flags = IEEE80211_CHAN_DISABLED;
++ chan->flags |= IEEE80211_CHAN_DISABLED;
+ return;
+ }
+
+--- a/net/wireless/util.c
++++ b/net/wireless/util.c
+@@ -1156,6 +1156,26 @@ int cfg80211_get_p2p_attr(const u8 *ies,
+ }
+ EXPORT_SYMBOL(cfg80211_get_p2p_attr);
+
++bool ieee80211_operating_class_to_band(u8 operating_class,
++ enum ieee80211_band *band)
++{
++ switch (operating_class) {
++ case 112:
++ case 115 ... 127:
++ *band = IEEE80211_BAND_5GHZ;
++ return true;
++ case 81:
++ case 82:
++ case 83:
++ case 84:
++ *band = IEEE80211_BAND_2GHZ;
++ return true;
++ }
+
-+ ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
-+ skb->len - baselen, &elems);
++ return false;
++}
++EXPORT_SYMBOL(ieee80211_operating_class_to_band);
+
-+ rates = ieee80211_sta_get_rates(local, &elems, band);
+ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
+ u32 beacon_int)
+ {
+--- a/include/uapi/linux/nl80211.h
++++ b/include/uapi/linux/nl80211.h
+@@ -1973,6 +1973,10 @@ enum nl80211_sta_bss_param {
+ * @NL80211_STA_INFO_PEER_PM: peer mesh STA link-specific power mode
+ * @NL80211_STA_INFO_NONPEER_PM: neighbor mesh STA power save mode towards
+ * non-peer STA
++ * @NL80211_STA_INFO_CHAIN_SIGNAL: per-chain signal strength of last PPDU
++ * Contains a nested array of signal strength attributes (u8, dBm)
++ * @NL80211_STA_INFO_CHAIN_SIGNAL_AVG: per-chain signal strength average
++ * Same format as NL80211_STA_INFO_CHAIN_SIGNAL.
+ * @__NL80211_STA_INFO_AFTER_LAST: internal
+ * @NL80211_STA_INFO_MAX: highest possible station info attribute
+ */
+@@ -2002,6 +2006,8 @@ enum nl80211_sta_info {
+ NL80211_STA_INFO_NONPEER_PM,
+ NL80211_STA_INFO_RX_BYTES64,
+ NL80211_STA_INFO_TX_BYTES64,
++ NL80211_STA_INFO_CHAIN_SIGNAL,
++ NL80211_STA_INFO_CHAIN_SIGNAL_AVG,
+
+ /* keep last */
+ __NL80211_STA_INFO_AFTER_LAST,
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -358,6 +358,8 @@ struct sta_info *sta_info_alloc(struct i
+ do_posix_clock_monotonic_gettime(&uptime);
+ sta->last_connected = uptime.tv_sec;
+ ewma_init(&sta->avg_signal, 1024, 8);
++ for (i = 0; i < ARRAY_SIZE(sta->chain_signal_avg); i++)
++ ewma_init(&sta->chain_signal_avg[i], 1024, 8);
+
+ if (sta_prepare_rate_control(local, sta, gfp)) {
+ kfree(sta);
+--- a/net/wireless/nl80211.c
++++ b/net/wireless/nl80211.c
+@@ -3367,6 +3367,32 @@ static bool nl80211_put_sta_rate(struct
+ return true;
+ }
+
++static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
++ int id)
++{
++ void *attr;
++ int i = 0;
+
-+ rcu_read_lock();
++ if (!mask)
++ return true;
+
-+ sta = sta_info_get(sdata, sdata->u.wds.remote_addr);
++ attr = nla_nest_start(msg, id);
++ if (!attr)
++ return false;
+
-+ if (!sta) {
-+ rcu_read_unlock();
-+ sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
-+ GFP_KERNEL);
-+ if (!sta)
-+ return;
++ for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
++ if (!(mask & BIT(i)))
++ continue;
+
-+ new = true;
++ if (nla_put_u8(msg, i, signal[i]))
++ return false;
+ }
+
-+ 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(sband,
-+ elems.ht_cap_elem, &sta->sta.ht_cap);
++ nla_nest_end(msg, attr);
+
-+ if (elems.wmm_param)
-+ set_sta_flags(sta, WLAN_STA_WME);
++ return true;
++}
+
-+ if (new) {
-+ sta->flags = WLAN_STA_AUTHORIZED;
-+ rate_control_rate_init(sta);
-+ sta_info_insert_rcu(sta);
+ static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
+ int flags,
+ struct cfg80211_registered_device *rdev,
+@@ -3438,6 +3464,18 @@ static int nl80211_send_station(struct s
+ default:
+ break;
+ }
++ if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) {
++ if (!nl80211_put_signal(msg, sinfo->chains,
++ sinfo->chain_signal,
++ NL80211_STA_INFO_CHAIN_SIGNAL))
++ goto nla_put_failure;
++ }
++ if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) {
++ if (!nl80211_put_signal(msg, sinfo->chains,
++ sinfo->chain_signal_avg,
++ NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
++ goto nla_put_failure;
+ }
+ if (sinfo->filled & STATION_INFO_TX_BITRATE) {
+ if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
+ NL80211_STA_INFO_TX_BITRATE))
+--- a/drivers/net/wireless/ath/ath9k/init.c
++++ b/drivers/net/wireless/ath/ath9k/init.c
+@@ -768,7 +768,8 @@ void ath9k_set_hw_capab(struct ath_softc
+ IEEE80211_HW_SUPPORTS_PS |
+ IEEE80211_HW_PS_NULLFUNC_STACK |
+ IEEE80211_HW_SPECTRUM_MGMT |
+- IEEE80211_HW_REPORTS_TX_ACK_STATUS;
++ IEEE80211_HW_REPORTS_TX_ACK_STATUS |
++ IEEE80211_HW_SUPPORTS_RC_TABLE;
+
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
+ hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -157,7 +157,27 @@ static void ath_send_bar(struct ath_atx_
+ seqno << IEEE80211_SEQ_SEQ_SHIFT);
+ }
+
+-static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
++static void ath_set_rates(struct ieee80211_vif *vif, struct ieee80211_sta *sta,
++ struct ath_buf *bf)
++{
++ ieee80211_get_tx_rates(vif, sta, bf->bf_mpdu, bf->rates,
++ ARRAY_SIZE(bf->rates));
++}
+
-+ rcu_read_unlock();
++static void ath_tx_clear_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
++{
++ tid->state &= ~AGGR_ADDBA_COMPLETE;
++ tid->state &= ~AGGR_CLEANUP;
++ if (!tid->stop_cb)
++ return;
++
++ ieee80211_start_tx_ba_cb_irqsafe(tid->an->vif, tid->an->sta->addr,
++ tid->tidno);
++ tid->stop_cb = false;
+}
+
- static void ieee80211_iface_work(struct work_struct *work)
++static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid,
++ bool flush_packets)
{
- struct ieee80211_sub_if_data *sdata =
-@@ -822,6 +863,9 @@ 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
-@@ -2163,7 +2163,8 @@ ieee80211_rx_h_action(struct ieee80211_r
- */
- if (sdata->vif.type != NL80211_IFTYPE_STATION &&
- sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
-- sdata->vif.type != NL80211_IFTYPE_AP)
-+ sdata->vif.type != NL80211_IFTYPE_AP &&
-+ sdata->vif.type != NL80211_IFTYPE_WDS)
- break;
+ struct ath_txq *txq = tid->ac->txq;
+ struct sk_buff *skb;
+@@ -174,31 +194,29 @@ static void ath_tx_flush_tid(struct ath_
+ while ((skb = __skb_dequeue(&tid->buf_q))) {
+ fi = get_frame_info(skb);
+ bf = fi->bf;
++ if (!bf && !flush_packets)
++ bf = ath_tx_setup_buffer(sc, txq, tid, skb);
+
+ if (!bf) {
+- bf = ath_tx_setup_buffer(sc, txq, tid, skb);
+- if (!bf) {
+- ieee80211_free_txskb(sc->hw, skb);
+- continue;
+- }
++ ieee80211_free_txskb(sc->hw, skb);
++ continue;
+ }
- /* verify action_code is present */
-@@ -2378,13 +2379,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+- if (fi->retries) {
++ if (fi->retries || flush_packets) {
+ list_add_tail(&bf->list, &bf_head);
+ ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
+ ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0);
+ sendbar = true;
+ } else {
++ ath_set_rates(tid->an->vif, tid->an->sta, bf);
+ ath_tx_send_normal(sc, txq, NULL, skb);
+ }
+ }
- 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;
+- if (tid->baw_head == tid->baw_tail) {
+- tid->state &= ~AGGR_ADDBA_COMPLETE;
+- tid->state &= ~AGGR_CLEANUP;
+- }
++ if (tid->baw_head == tid->baw_tail)
++ ath_tx_clear_tid(sc, tid);
- switch (stype) {
- 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_DEAUTH):
- case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
-@@ -2727,10 +2729,16 @@ 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.h
-+++ b/net/mac80211/sta_info.h
-@@ -31,7 +31,6 @@
- * frames.
- * @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP.
- * @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.
-@@ -54,7 +53,6 @@ enum ieee80211_sta_info_flags {
- WLAN_STA_SHORT_PREAMBLE = 1<<4,
- WLAN_STA_ASSOC_AP = 1<<5,
- WLAN_STA_WME = 1<<6,
-- WLAN_STA_WDS = 1<<7,
- WLAN_STA_CLEAR_PS_FILT = 1<<9,
- WLAN_STA_MFP = 1<<10,
- WLAN_STA_BLOCK_BA = 1<<11,
---- a/net/mac80211/status.c
-+++ b/net/mac80211/status.c
-@@ -278,17 +278,19 @@ void ieee80211_tx_status(struct ieee8021
- }
+- if (sendbar) {
++ if (sendbar && !flush_packets) {
+ ath_txq_unlock(sc, txq);
+ ath_send_bar(tid, tid->seq_start);
+ ath_txq_lock(sc, txq);
+@@ -269,9 +287,7 @@ static void ath_tid_drain(struct ath_sof
- if (!acked && ieee80211_is_back_req(fc)) {
-+ u16 control;
-+
- /*
-- * BAR failed, let's tear down the BA session as a
-- * last resort as some STAs (Intel 5100 on Windows)
-- * can get stuck when the BA window isn't flushed
-- * correctly.
-+ * BAR failed, store the last SSN and retry sending
-+ * the BAR when the next unicast transmission on the
-+ * same TID succeeds.
- */
- bar = (struct ieee80211_bar *) skb->data;
-- if (!(bar->control & IEEE80211_BAR_CTRL_MULTI_TID)) {
-+ control = le16_to_cpu(bar->control);
-+ if (!(control & IEEE80211_BAR_CTRL_MULTI_TID)) {
- u16 ssn = le16_to_cpu(bar->start_seq_num);
-
-- tid = (bar->control &
-+ tid = (control &
- IEEE80211_BAR_CTRL_TID_INFO_MASK) >>
- IEEE80211_BAR_CTRL_TID_INFO_SHIFT;
-
---- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
-+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
-@@ -704,8 +704,10 @@ static void ar5008_hw_override_ini(struc
- REG_WRITE(ah, AR_PCU_MISC_MODE2, val);
+ list_add_tail(&bf->list, &bf_head);
+
+- if (fi->retries)
+- ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
+-
++ ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
+ ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0);
}
-- if (!AR_SREV_5416_20_OR_LATER(ah) ||
-- AR_SREV_9280_20_OR_LATER(ah))
-+ REG_SET_BIT(ah, AR_PHY_CCK_DETECT,
-+ AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV);
-+
-+ if (AR_SREV_9280_20_OR_LATER(ah))
- return;
- /*
- * Disable BB clock gating
-@@ -802,7 +804,8 @@ static int ar5008_hw_process_ini(struct
-
- /* Write ADDAC shifts */
- REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
-- ah->eep_ops->set_addac(ah, chan);
-+ if (ah->eep_ops->set_addac)
-+ ah->eep_ops->set_addac(ah, chan);
-
- if (AR_SREV_5416_22_OR_LATER(ah)) {
- REG_WRITE_ARRAY(&ah->iniAddac, 1, regWrites);
-@@ -1007,24 +1010,6 @@ static void ar5008_restore_chainmask(str
+@@ -407,7 +423,7 @@ static void ath_tx_complete_aggr(struct
+
+ tx_info = IEEE80211_SKB_CB(skb);
+
+- memcpy(rates, tx_info->control.rates, sizeof(rates));
++ memcpy(rates, bf->rates, sizeof(rates));
+
+ retries = ts->ts_longretry + 1;
+ for (i = 0; i < ts->ts_rateindex; i++)
+@@ -594,7 +610,7 @@ static void ath_tx_complete_aggr(struct
}
- }
--static void ar5008_set_diversity(struct ath_hw *ah, bool value)
--{
-- u32 v = REG_READ(ah, AR_PHY_CCK_DETECT);
-- if (value)
-- v |= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
-- else
-- v &= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
-- REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
--}
--
--static u32 ar9100_hw_compute_pll_control(struct ath_hw *ah,
-- struct ath9k_channel *chan)
--{
-- if (chan && IS_CHAN_5GHZ(chan))
-- return 0x1450;
-- return 0x1458;
--}
--
- static u32 ar9160_hw_compute_pll_control(struct ath_hw *ah,
- struct ath9k_channel *chan)
+ if (tid->state & AGGR_CLEANUP)
+- ath_tx_flush_tid(sc, tid);
++ ath_tx_flush_tid(sc, tid, false);
+
+ rcu_read_unlock();
+
+@@ -612,6 +628,7 @@ static void ath_tx_process_buffer(struct
+ struct ath_tx_status *ts, struct ath_buf *bf,
+ struct list_head *bf_head)
{
-@@ -1654,7 +1639,6 @@ void ar5008_hw_attach_phy_ops(struct ath
- priv_ops->rfbus_req = ar5008_hw_rfbus_req;
- priv_ops->rfbus_done = ar5008_hw_rfbus_done;
- priv_ops->restore_chainmask = ar5008_restore_chainmask;
-- priv_ops->set_diversity = ar5008_set_diversity;
- priv_ops->do_getnf = ar5008_hw_do_getnf;
- priv_ops->set_radar_params = ar5008_hw_set_radar_params;
-
-@@ -1664,9 +1648,7 @@ void ar5008_hw_attach_phy_ops(struct ath
++ struct ieee80211_tx_info *info;
+ bool txok, flush;
+
+ txok = !(ts->ts_status & ATH9K_TXERR_MASK);
+@@ -623,8 +640,12 @@ static void ath_tx_process_buffer(struct
+ txq->axq_ampdu_depth--;
+
+ if (!bf_isampdu(bf)) {
+- if (!flush)
++ if (!flush) {
++ info = IEEE80211_SKB_CB(bf->bf_mpdu);
++ memcpy(info->control.rates, bf->rates,
++ sizeof(info->control.rates));
+ ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok);
++ }
+ ath_tx_complete_buf(sc, bf, txq, bf_head, ts, txok);
} else
- priv_ops->ani_control = ar5008_hw_ani_control_old;
+ ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok);
+@@ -668,7 +689,7 @@ static u32 ath_lookup_rate(struct ath_so
-- if (AR_SREV_9100(ah))
-- priv_ops->compute_pll_control = ar9100_hw_compute_pll_control;
-- else if (AR_SREV_9160_10_OR_LATER(ah))
-+ if (AR_SREV_9100(ah) || AR_SREV_9160_10_OR_LATER(ah))
- priv_ops->compute_pll_control = ar9160_hw_compute_pll_control;
- else
- priv_ops->compute_pll_control = ar5008_hw_compute_pll_control;
---- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
-@@ -592,6 +592,9 @@ static void ar9003_hw_override_ini(struc
- val = REG_READ(ah, AR_PCU_MISC_MODE2) & (~AR_ADHOC_MCAST_KEYID_ENABLE);
- REG_WRITE(ah, AR_PCU_MISC_MODE2,
- val | AR_AGG_WEP_ENABLE_FIX | AR_AGG_WEP_ENABLE);
-+
-+ REG_SET_BIT(ah, AR_PHY_CCK_DETECT,
-+ AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV);
- }
+ skb = bf->bf_mpdu;
+ tx_info = IEEE80211_SKB_CB(skb);
+- rates = tx_info->control.rates;
++ rates = bf->rates;
+
+ /*
+ * Find the lowest frame length among the rate series that will have a
+@@ -736,8 +757,6 @@ static int ath_compute_num_delims(struct
+ bool first_subfrm)
+ {
+ #define FIRST_DESC_NDELIMS 60
+- struct sk_buff *skb = bf->bf_mpdu;
+- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+ u32 nsymbits, nsymbols;
+ u16 minlen;
+ u8 flags, rix;
+@@ -778,8 +797,8 @@ static int ath_compute_num_delims(struct
+ if (tid->an->mpdudensity == 0)
+ return ndelim;
+
+- rix = tx_info->control.rates[0].idx;
+- flags = tx_info->control.rates[0].flags;
++ rix = bf->rates[0].idx;
++ flags = bf->rates[0].flags;
+ width = (flags & IEEE80211_TX_RC_40_MHZ_WIDTH) ? 1 : 0;
+ half_gi = (flags & IEEE80211_TX_RC_SHORT_GI) ? 1 : 0;
+
+@@ -858,6 +877,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
+ bf_first = bf;
+
+ if (!rl) {
++ ath_set_rates(tid->an->vif, tid->an->sta, bf);
+ aggr_limit = ath_lookup_rate(sc, bf, tid);
+ rl = 1;
+ }
+@@ -998,14 +1018,14 @@ static void ath_buf_set_rate(struct ath_
+
+ skb = bf->bf_mpdu;
+ tx_info = IEEE80211_SKB_CB(skb);
+- rates = tx_info->control.rates;
++ rates = bf->rates;
+ hdr = (struct ieee80211_hdr *)skb->data;
+
+ /* set dur_update_en for l-sig computation except for PS-Poll frames */
+ info->dur_update = !ieee80211_is_pspoll(hdr->frame_control);
+ info->rtscts_rate = fi->rtscts_rate;
+
+- for (i = 0; i < 4; i++) {
++ for (i = 0; i < ARRAY_SIZE(bf->rates); i++) {
+ bool is_40, is_sgi, is_sp;
+ int phy;
- static void ar9003_hw_prog_ini(struct ath_hw *ah,
-@@ -785,16 +788,6 @@ static void ar9003_hw_rfbus_done(struct
- REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
+@@ -1249,18 +1269,23 @@ int ath_tx_aggr_start(struct ath_softc *
+ return 0;
}
--static void ar9003_hw_set_diversity(struct ath_hw *ah, bool value)
--{
-- u32 v = REG_READ(ah, AR_PHY_CCK_DETECT);
-- if (value)
-- v |= AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
-- else
-- v &= ~AR_PHY_CCK_DETECT_BB_ENABLE_ANT_FAST_DIV;
-- REG_WRITE(ah, AR_PHY_CCK_DETECT, v);
--}
--
- static bool ar9003_hw_ani_control(struct ath_hw *ah,
- enum ath9k_ani_cmd cmd, int param)
+-void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
++bool ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid,
++ bool flush)
{
-@@ -1277,7 +1270,6 @@ void ar9003_hw_attach_phy_ops(struct ath
- priv_ops->set_delta_slope = ar9003_hw_set_delta_slope;
- priv_ops->rfbus_req = ar9003_hw_rfbus_req;
- priv_ops->rfbus_done = ar9003_hw_rfbus_done;
-- priv_ops->set_diversity = ar9003_hw_set_diversity;
- priv_ops->ani_control = ar9003_hw_ani_control;
- priv_ops->do_getnf = ar9003_hw_do_getnf;
- priv_ops->ani_cache_ini_regs = ar9003_hw_ani_cache_ini_regs;
---- a/drivers/net/wireless/ath/ath9k/eeprom.c
-+++ b/drivers/net/wireless/ath/ath9k/eeprom.c
-@@ -456,12 +456,7 @@ void ath9k_hw_get_gain_boundaries_pdadcs
- pPdGainBoundaries[i] =
- min((u16)MAX_RATE_POWER, pPdGainBoundaries[i]);
-
-- if ((i == 0) && !AR_SREV_5416_20_OR_LATER(ah)) {
-- minDelta = pPdGainBoundaries[0] - 23;
-- pPdGainBoundaries[0] = 23;
-- } else {
-- minDelta = 0;
-- }
-+ minDelta = 0;
-
- if (i == 0) {
- if (AR_SREV_9280_20_OR_LATER(ah))
---- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
-+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
-@@ -405,12 +405,7 @@ static void ath9k_hw_set_4k_power_cal_ta
- REG_RMW_FIELD(ah, AR_PHY_TPCRG1, AR_PHY_TPCRG1_PD_GAIN_3, 0);
-
- for (i = 0; i < AR5416_EEP4K_MAX_CHAINS; i++) {
-- if (AR_SREV_5416_20_OR_LATER(ah) &&
-- (ah->rxchainmask == 5 || ah->txchainmask == 5) &&
-- (i != 0)) {
-- regChainOffset = (i == 1) ? 0x2000 : 0x1000;
-- } else
-- regChainOffset = i * 0x1000;
-+ regChainOffset = i * 0x1000;
-
- if (pEepData->baseEepHeader.txMask & (1 << i)) {
- pRawDataset = pEepData->calPierData2G[i];
-@@ -423,19 +418,17 @@ static void ath9k_hw_set_4k_power_cal_ta
-
- ENABLE_REGWRITE_BUFFER(ah);
-
-- if ((i == 0) || AR_SREV_5416_20_OR_LATER(ah)) {
-- REG_WRITE(ah, AR_PHY_TPCRG5 + regChainOffset,
-- SM(pdGainOverlap_t2,
-- AR_PHY_TPCRG5_PD_GAIN_OVERLAP)
-- | SM(gainBoundaries[0],
-- AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1)
-- | SM(gainBoundaries[1],
-- AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2)
-- | SM(gainBoundaries[2],
-- AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3)
-- | SM(gainBoundaries[3],
-- AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4));
-- }
-+ REG_WRITE(ah, AR_PHY_TPCRG5 + regChainOffset,
-+ SM(pdGainOverlap_t2,
-+ AR_PHY_TPCRG5_PD_GAIN_OVERLAP)
-+ | SM(gainBoundaries[0],
-+ AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1)
-+ | SM(gainBoundaries[1],
-+ AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2)
-+ | SM(gainBoundaries[2],
-+ AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3)
-+ | SM(gainBoundaries[3],
-+ AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4));
-
- regOffset = AR_PHY_BASE + (672 << 2) + regChainOffset;
- for (j = 0; j < 32; j++) {
-@@ -715,10 +708,8 @@ static void ath9k_hw_4k_set_txpower(stru
- if (test)
- return;
+ struct ath_node *an = (struct ath_node *)sta->drv_priv;
+ struct ath_atx_tid *txtid = ATH_AN_2_TID(an, tid);
+ struct ath_txq *txq = txtid->ac->txq;
++ bool ret = !flush;
++
++ if (flush)
++ txtid->stop_cb = false;
-- if (AR_SREV_9280_20_OR_LATER(ah)) {
-- for (i = 0; i < Ar5416RateSize; i++)
-- ratesArray[i] -= AR5416_PWR_TABLE_OFFSET_DB * 2;
-- }
-+ for (i = 0; i < Ar5416RateSize; i++)
-+ ratesArray[i] -= AR5416_PWR_TABLE_OFFSET_DB * 2;
+ if (txtid->state & AGGR_CLEANUP)
+- return;
++ return false;
- ENABLE_REGWRITE_BUFFER(ah);
+ if (!(txtid->state & AGGR_ADDBA_COMPLETE)) {
+ txtid->state &= ~AGGR_ADDBA_PROGRESS;
+- return;
++ return ret;
+ }
-@@ -788,28 +779,6 @@ static void ath9k_hw_4k_set_txpower(stru
- REGWRITE_BUFFER_FLUSH(ah);
+ ath_txq_lock(sc, txq);
+@@ -1272,13 +1297,17 @@ void ath_tx_aggr_stop(struct ath_softc *
+ * TID can only be reused after all in-progress subframes have been
+ * completed.
+ */
+- if (txtid->baw_head != txtid->baw_tail)
++ if (txtid->baw_head != txtid->baw_tail) {
+ txtid->state |= AGGR_CLEANUP;
+- else
++ ret = false;
++ txtid->stop_cb = !flush;
++ } else {
+ txtid->state &= ~AGGR_ADDBA_COMPLETE;
++ }
+
+- ath_tx_flush_tid(sc, txtid);
++ ath_tx_flush_tid(sc, txtid, flush);
+ ath_txq_unlock_complete(sc, txq);
++ return ret;
+ }
+
+ void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc,
+@@ -1743,6 +1772,7 @@ static void ath_tx_send_ampdu(struct ath
+ return;
+ }
+
++ ath_set_rates(tid->an->vif, tid->an->sta, bf);
+ bf->bf_state.bf_type = BUF_AMPDU;
+ INIT_LIST_HEAD(&bf_head);
+ list_add(&bf->list, &bf_head);
+@@ -1892,49 +1922,6 @@ static struct ath_buf *ath_tx_setup_buff
+ return bf;
}
--static void ath9k_hw_4k_set_addac(struct ath_hw *ah,
-- struct ath9k_channel *chan)
+-/* FIXME: tx power */
+-static void ath_tx_start_dma(struct ath_softc *sc, struct sk_buff *skb,
+- struct ath_tx_control *txctl)
-{
-- struct modal_eep_4k_header *pModal;
-- struct ar5416_eeprom_4k *eep = &ah->eeprom.map4k;
-- u8 biaslevel;
--
-- if (ah->hw_version.macVersion != AR_SREV_VERSION_9160)
-- return;
--
-- if (ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_MINOR_VER_7)
-- return;
+- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+- struct ath_atx_tid *tid = NULL;
+- struct ath_buf *bf;
+- u8 tidno;
-
-- pModal = &eep->modalHeader;
+- if (txctl->an && ieee80211_is_data_qos(hdr->frame_control)) {
+- tidno = ieee80211_get_qos_ctl(hdr)[0] &
+- IEEE80211_QOS_CTL_TID_MASK;
+- tid = ATH_AN_2_TID(txctl->an, tidno);
-
-- if (pModal->xpaBiasLvl != 0xff) {
-- biaslevel = pModal->xpaBiasLvl;
-- INI_RA(&ah->iniAddac, 7, 1) =
-- (INI_RA(&ah->iniAddac, 7, 1) & (~0x18)) | biaslevel << 3;
+- WARN_ON(tid->ac->txq != txctl->txq);
- }
--}
-
- static void ath9k_hw_4k_set_gain(struct ath_hw *ah,
- struct modal_eep_4k_header *pModal,
- struct ar5416_eeprom_4k *eep,
-@@ -877,6 +846,7 @@ static void ath9k_hw_4k_set_board_values
- u8 txRxAttenLocal;
- u8 ob[5], db1[5], db2[5];
- u8 ant_div_control1, ant_div_control2;
-+ u8 bb_desired_scale;
- u32 regVal;
-
- pModal = &eep->modalHeader;
-@@ -1096,30 +1066,29 @@ static void ath9k_hw_4k_set_board_values
- AR_PHY_SETTLING_SWITCH,
- pModal->swSettleHt40);
- }
-- if (AR_SREV_9271(ah) || AR_SREV_9285(ah)) {
-- u8 bb_desired_scale = (pModal->bb_scale_smrt_antenna &
-- EEP_4K_BB_DESIRED_SCALE_MASK);
-- if ((pBase->txGainType == 0) && (bb_desired_scale != 0)) {
-- u32 pwrctrl, mask, clr;
+- if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && tid) {
+- /*
+- * Try aggregation if it's a unicast data frame
+- * and the destination is HT capable.
+- */
+- ath_tx_send_ampdu(sc, tid, skb, txctl);
+- } else {
+- bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb);
+- if (!bf) {
+- if (txctl->paprd)
+- dev_kfree_skb_any(skb);
+- else
+- ieee80211_free_txskb(sc->hw, skb);
+- return;
+- }
-
-- mask = BIT(0)|BIT(5)|BIT(10)|BIT(15)|BIT(20)|BIT(25);
-- pwrctrl = mask * bb_desired_scale;
-- clr = mask * 0x1f;
-- REG_RMW(ah, AR_PHY_TX_PWRCTRL8, pwrctrl, clr);
-- REG_RMW(ah, AR_PHY_TX_PWRCTRL10, pwrctrl, clr);
-- REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL12, pwrctrl, clr);
+- bf->bf_state.bfs_paprd = txctl->paprd;
-
-- mask = BIT(0)|BIT(5)|BIT(15);
-- pwrctrl = mask * bb_desired_scale;
-- clr = mask * 0x1f;
-- REG_RMW(ah, AR_PHY_TX_PWRCTRL9, pwrctrl, clr);
+- if (txctl->paprd)
+- bf->bf_state.bfs_paprd_timestamp = jiffies;
-
-- mask = BIT(0)|BIT(5);
-- pwrctrl = mask * bb_desired_scale;
-- clr = mask * 0x1f;
-- REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL11, pwrctrl, clr);
-- REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL13, pwrctrl, clr);
-- }
-+
-+ bb_desired_scale = (pModal->bb_scale_smrt_antenna &
-+ EEP_4K_BB_DESIRED_SCALE_MASK);
-+ if ((pBase->txGainType == 0) && (bb_desired_scale != 0)) {
-+ u32 pwrctrl, mask, clr;
-+
-+ mask = BIT(0)|BIT(5)|BIT(10)|BIT(15)|BIT(20)|BIT(25);
-+ pwrctrl = mask * bb_desired_scale;
-+ clr = mask * 0x1f;
-+ REG_RMW(ah, AR_PHY_TX_PWRCTRL8, pwrctrl, clr);
-+ REG_RMW(ah, AR_PHY_TX_PWRCTRL10, pwrctrl, clr);
-+ REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL12, pwrctrl, clr);
-+
-+ mask = BIT(0)|BIT(5)|BIT(15);
-+ pwrctrl = mask * bb_desired_scale;
-+ clr = mask * 0x1f;
-+ REG_RMW(ah, AR_PHY_TX_PWRCTRL9, pwrctrl, clr);
-+
-+ mask = BIT(0)|BIT(5);
-+ pwrctrl = mask * bb_desired_scale;
-+ clr = mask * 0x1f;
-+ REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL11, pwrctrl, clr);
-+ REG_RMW(ah, AR_PHY_CH0_TX_PWRCTRL13, pwrctrl, clr);
- }
- }
-
-@@ -1161,7 +1130,6 @@ const struct eeprom_ops eep_4k_ops = {
- .get_eeprom_ver = ath9k_hw_4k_get_eeprom_ver,
- .get_eeprom_rev = ath9k_hw_4k_get_eeprom_rev,
- .set_board_values = ath9k_hw_4k_set_board_values,
-- .set_addac = ath9k_hw_4k_set_addac,
- .set_txpower = ath9k_hw_4k_set_txpower,
- .get_spur_channel = ath9k_hw_4k_get_spur_channel
- };
---- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
-+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
-@@ -851,10 +851,8 @@ static void ath9k_hw_ar9287_set_txpower(
- if (test)
- return;
-
-- if (AR_SREV_9280_20_OR_LATER(ah)) {
-- for (i = 0; i < Ar5416RateSize; i++)
-- ratesArray[i] -= AR9287_PWR_TABLE_OFFSET_DB * 2;
+- ath_tx_send_normal(sc, txctl->txq, tid, skb);
- }
-+ for (i = 0; i < Ar5416RateSize; i++)
-+ ratesArray[i] -= AR9287_PWR_TABLE_OFFSET_DB * 2;
-
- ENABLE_REGWRITE_BUFFER(ah);
-
-@@ -944,11 +942,6 @@ static void ath9k_hw_ar9287_set_txpower(
- REGWRITE_BUFFER_FLUSH(ah);
- }
-
--static void ath9k_hw_ar9287_set_addac(struct ath_hw *ah,
-- struct ath9k_channel *chan)
--{
-}
-
- static void ath9k_hw_ar9287_set_board_values(struct ath_hw *ah,
- struct ath9k_channel *chan)
- {
-@@ -1100,7 +1093,6 @@ const struct eeprom_ops eep_ar9287_ops =
- .get_eeprom_ver = ath9k_hw_ar9287_get_eeprom_ver,
- .get_eeprom_rev = ath9k_hw_ar9287_get_eeprom_rev,
- .set_board_values = ath9k_hw_ar9287_set_board_values,
-- .set_addac = ath9k_hw_ar9287_set_addac,
- .set_txpower = ath9k_hw_ar9287_set_txpower,
- .get_spur_channel = ath9k_hw_ar9287_get_spur_channel
- };
---- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
-+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
-@@ -547,8 +547,7 @@ static void ath9k_hw_def_set_board_value
- break;
- }
+ /* Upon failure caller should free skb */
+ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
+ struct ath_tx_control *txctl)
+@@ -1945,8 +1932,11 @@ int ath_tx_start(struct ieee80211_hw *hw
+ struct ieee80211_vif *vif = info->control.vif;
+ struct ath_softc *sc = hw->priv;
+ struct ath_txq *txq = txctl->txq;
++ struct ath_atx_tid *tid = NULL;
++ struct ath_buf *bf;
+ int padpos, padsize;
+ int frmlen = skb->len + FCS_LEN;
++ u8 tidno;
+ int q;
+
+ /* NOTE: sta can be NULL according to net/mac80211.h */
+@@ -2002,8 +1992,41 @@ int ath_tx_start(struct ieee80211_hw *hw
+ txq->stopped = true;
+ }
-- if (AR_SREV_5416_20_OR_LATER(ah) &&
-- (ah->rxchainmask == 5 || ah->txchainmask == 5) && (i != 0))
-+ if ((ah->rxchainmask == 5 || ah->txchainmask == 5) && (i != 0))
- regChainOffset = (i == 1) ? 0x2000 : 0x1000;
- else
- regChainOffset = i * 0x1000;
-@@ -565,9 +564,8 @@ static void ath9k_hw_def_set_board_value
- SM(pModal->iqCalQCh[i],
- AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF));
-
-- if ((i == 0) || AR_SREV_5416_20_OR_LATER(ah))
-- ath9k_hw_def_set_gain(ah, pModal, eep, txRxAttenLocal,
-- regChainOffset, i);
-+ ath9k_hw_def_set_gain(ah, pModal, eep, txRxAttenLocal,
-+ regChainOffset, i);
+- ath_tx_start_dma(sc, skb, txctl);
++ if (txctl->an && ieee80211_is_data_qos(hdr->frame_control)) {
++ tidno = ieee80211_get_qos_ctl(hdr)[0] &
++ IEEE80211_QOS_CTL_TID_MASK;
++ tid = ATH_AN_2_TID(txctl->an, tidno);
++
++ WARN_ON(tid->ac->txq != txctl->txq);
++ }
++
++ if ((info->flags & IEEE80211_TX_CTL_AMPDU) && tid) {
++ /*
++ * Try aggregation if it's a unicast data frame
++ * and the destination is HT capable.
++ */
++ ath_tx_send_ampdu(sc, tid, skb, txctl);
++ goto out;
++ }
+
++ bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb);
++ if (!bf) {
++ if (txctl->paprd)
++ dev_kfree_skb_any(skb);
++ else
++ ieee80211_free_txskb(sc->hw, skb);
++ goto out;
++ }
++
++ bf->bf_state.bfs_paprd = txctl->paprd;
++
++ if (txctl->paprd)
++ bf->bf_state.bfs_paprd_timestamp = jiffies;
++
++ ath_set_rates(vif, sta, bf);
++ ath_tx_send_normal(sc, txctl->txq, tid, skb);
++
++out:
+ ath_txq_unlock(sc, txq);
+
+ return 0;
+@@ -2414,6 +2437,7 @@ void ath_tx_node_init(struct ath_softc *
+ tid->ac = &an->ac[acno];
+ tid->state &= ~AGGR_ADDBA_COMPLETE;
+ tid->state &= ~AGGR_ADDBA_PROGRESS;
++ tid->stop_cb = false;
}
- if (AR_SREV_9280_20_OR_LATER(ah)) {
-@@ -893,8 +891,7 @@ static void ath9k_hw_set_def_power_cal_t
- xpdGainValues[2]);
-
- for (i = 0; i < AR5416_MAX_CHAINS; i++) {
-- if (AR_SREV_5416_20_OR_LATER(ah) &&
-- (ah->rxchainmask == 5 || ah->txchainmask == 5) &&
-+ if ((ah->rxchainmask == 5 || ah->txchainmask == 5) &&
- (i != 0)) {
- regChainOffset = (i == 1) ? 0x2000 : 0x1000;
- } else
-@@ -935,27 +932,24 @@ static void ath9k_hw_set_def_power_cal_t
-
- ENABLE_REGWRITE_BUFFER(ah);
-
-- if ((i == 0) || AR_SREV_5416_20_OR_LATER(ah)) {
-- if (OLC_FOR_AR9280_20_LATER) {
-- REG_WRITE(ah,
-- AR_PHY_TPCRG5 + regChainOffset,
-- SM(0x6,
-- AR_PHY_TPCRG5_PD_GAIN_OVERLAP) |
-- SM_PD_GAIN(1) | SM_PD_GAIN(2) |
-- SM_PD_GAIN(3) | SM_PD_GAIN(4));
-- } else {
-- REG_WRITE(ah,
-- AR_PHY_TPCRG5 + regChainOffset,
-- SM(pdGainOverlap_t2,
-- AR_PHY_TPCRG5_PD_GAIN_OVERLAP)|
-- SM_PDGAIN_B(0, 1) |
-- SM_PDGAIN_B(1, 2) |
-- SM_PDGAIN_B(2, 3) |
-- SM_PDGAIN_B(3, 4));
-- }
-+ if (OLC_FOR_AR9280_20_LATER) {
-+ REG_WRITE(ah,
-+ AR_PHY_TPCRG5 + regChainOffset,
-+ SM(0x6,
-+ AR_PHY_TPCRG5_PD_GAIN_OVERLAP) |
-+ SM_PD_GAIN(1) | SM_PD_GAIN(2) |
-+ SM_PD_GAIN(3) | SM_PD_GAIN(4));
-+ } else {
-+ REG_WRITE(ah,
-+ AR_PHY_TPCRG5 + regChainOffset,
-+ SM(pdGainOverlap_t2,
-+ AR_PHY_TPCRG5_PD_GAIN_OVERLAP)|
-+ SM_PDGAIN_B(0, 1) |
-+ SM_PDGAIN_B(1, 2) |
-+ SM_PDGAIN_B(2, 3) |
-+ SM_PDGAIN_B(3, 4));
- }
+ for (acno = 0, ac = &an->ac[acno];
+@@ -2450,8 +2474,7 @@ void ath_tx_node_cleanup(struct ath_soft
+ }
--
- ath9k_adjust_pdadc_values(ah, pwr_table_offset,
- diff, pdadcValues);
+ ath_tid_drain(sc, txq, tid);
+- tid->state &= ~AGGR_ADDBA_COMPLETE;
+- tid->state &= ~AGGR_CLEANUP;
++ ath_tx_clear_tid(sc, tid);
---- a/drivers/net/wireless/ath/ath9k/init.c
-+++ b/drivers/net/wireless/ath/ath9k/init.c
-@@ -506,7 +506,6 @@ static void ath9k_init_misc(struct ath_s
- sc->sc_flags |= SC_OP_RXAGGR;
+ ath_txq_unlock(sc, txq);
}
+--- a/drivers/net/wireless/ath/ath9k/recv.c
++++ b/drivers/net/wireless/ath/ath9k/recv.c
+@@ -124,7 +124,7 @@ static bool ath_rx_edma_buf_link(struct
-- ath9k_hw_set_diversity(sc->sc_ah, true);
- sc->rx.defant = ath9k_hw_getdefantenna(sc->sc_ah);
+ SKB_CB_ATHBUF(skb) = bf;
+ ath9k_hw_addrxbuf_edma(ah, bf->bf_buf_addr, qtype);
+- skb_queue_tail(&rx_edma->rx_fifo, skb);
++ __skb_queue_tail(&rx_edma->rx_fifo, skb);
- memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
---- a/drivers/net/wireless/ath/ath9k/reg.h
-+++ b/drivers/net/wireless/ath/ath9k/reg.h
-@@ -800,10 +800,6 @@
- #define AR_SREV_5416(_ah) \
- (((_ah)->hw_version.macVersion == AR_SREV_VERSION_5416_PCI) || \
- ((_ah)->hw_version.macVersion == AR_SREV_VERSION_5416_PCIE))
--#define AR_SREV_5416_20_OR_LATER(_ah) \
-- (((AR_SREV_5416(_ah)) && \
-- ((_ah)->hw_version.macRev >= AR_SREV_REVISION_5416_20)) || \
-- ((_ah)->hw_version.macVersion >= AR_SREV_VERSION_9100))
- #define AR_SREV_5416_22_OR_LATER(_ah) \
- (((AR_SREV_5416(_ah)) && \
- ((_ah)->hw_version.macRev >= AR_SREV_REVISION_5416_22)) || \
---- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
-@@ -869,6 +869,7 @@ static bool ar9002_hw_init_cal(struct at
- ar9002_hw_pa_cal(ah, true);
-
- /* Do NF Calibration after DC offset and other calibrations */
-+ ath9k_hw_loadnf(ah, chan);
- ath9k_hw_start_nfcal(ah, true);
-
- if (ah->caldata)
---- a/net/mac80211/ieee80211_i.h
-+++ b/net/mac80211/ieee80211_i.h
-@@ -671,7 +671,6 @@ enum queue_stop_reason {
- IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
- IEEE80211_QUEUE_STOP_REASON_SUSPEND,
- IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
-- IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE,
- };
+ return true;
+ }
+@@ -155,7 +155,7 @@ static void ath_rx_remove_buffer(struct
- #ifdef CONFIG_MAC80211_LEDS
---- a/net/mac80211/mlme.c
-+++ b/net/mac80211/mlme.c
-@@ -1921,24 +1921,8 @@ static void ieee80211_rx_mgmt_beacon(str
+ rx_edma = &sc->rx.rx_edma[qtype];
- rcu_read_unlock();
+- while ((skb = skb_dequeue(&rx_edma->rx_fifo)) != NULL) {
++ while ((skb = __skb_dequeue(&rx_edma->rx_fifo)) != NULL) {
+ bf = SKB_CB_ATHBUF(skb);
+ BUG_ON(!bf);
+ list_add_tail(&bf->list, &sc->rx.rxbuf);
+@@ -1287,13 +1287,13 @@ int ath_rx_tasklet(struct ath_softc *sc,
+ goto requeue_drop_frag;
+ }
-- /*
-- * Whenever the AP announces the HT mode change that can be
-- * 40MHz intolerant or etc., it would be safer to stop tx
-- * queues before doing hw config to avoid buffer overflow.
-- */
-- ieee80211_stop_queues_by_reason(&sdata->local->hw,
-- IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE);
--
-- /* flush out all packets */
-- synchronize_net();
--
-- drv_flush(local, false);
+- bf->bf_mpdu = requeue_skb;
+- bf->bf_buf_addr = new_buf_addr;
-
- changed |= ieee80211_enable_ht(sdata, elems.ht_info_elem,
- bssid, ap_ht_cap_flags);
--
-- ieee80211_wake_queues_by_reason(&sdata->local->hw,
-- IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE);
- }
+ /* Unmap the frame */
+ dma_unmap_single(sc->dev, bf->bf_buf_addr,
+ common->rx_bufsize, dma_type);
- /* Note: country IE parsing is done for us by cfg80211 */
---- a/drivers/net/wireless/b43/main.c
-+++ b/drivers/net/wireless/b43/main.c
-@@ -1613,7 +1613,8 @@ static void handle_irq_beacon(struct b43
- u32 cmd, beacon0_valid, beacon1_valid;
++ bf->bf_mpdu = requeue_skb;
++ bf->bf_buf_addr = new_buf_addr;
++
+ skb_put(skb, rs.rs_datalen + ah->caps.rx_status_len);
+ if (ah->caps.rx_status_len)
+ skb_pull(skb, ah->caps.rx_status_len);
+--- a/net/wireless/core.c
++++ b/net/wireless/core.c
+@@ -885,7 +885,6 @@ void cfg80211_leave(struct cfg80211_regi
+ #endif
+ __cfg80211_disconnect(rdev, dev,
+ WLAN_REASON_DEAUTH_LEAVING, true);
+- cfg80211_mlme_down(rdev, dev);
+ wdev_unlock(wdev);
+ break;
+ case NL80211_IFTYPE_MESH_POINT:
+--- a/net/wireless/sme.c
++++ b/net/wireless/sme.c
+@@ -961,7 +961,7 @@ int __cfg80211_disconnect(struct cfg8021
+ /* was it connected by userspace SME? */
+ if (!wdev->conn) {
+ cfg80211_mlme_down(rdev, dev);
+- return 0;
++ goto disconnect;
+ }
- if (!b43_is_mode(wl, NL80211_IFTYPE_AP) &&
-- !b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT))
-+ !b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) &&
-+ !b43_is_mode(wl, NL80211_IFTYPE_ADHOC))
- return;
+ if (wdev->sme_state == CFG80211_SME_CONNECTING &&
+@@ -987,6 +987,7 @@ int __cfg80211_disconnect(struct cfg8021
+ return err;
+ }
- /* This is the bottom half of the asynchronous beacon update. */
++ disconnect:
+ if (wdev->sme_state == CFG80211_SME_CONNECTED)
+ __cfg80211_disconnected(dev, NULL, 0, 0, false);
+ else if (wdev->sme_state == CFG80211_SME_CONNECTING)
projects / openwrt.git / blobdiff