---- 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;
- };
-
-@@ -658,11 +659,10 @@ 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;
-
-@@ -1698,12 +1706,11 @@ static void ath9k_hw_reset_opmode(struct
-
- 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 {
-+ 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);
-+
-+ 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,
---- 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
-+
- /*
- * 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 NL80211_CHAN_HT40MINUS:
-+ il->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
-+ il->ht.is_40mhz = true;
-+ break;
-+ case NL80211_CHAN_HT40PLUS:
-+ il->ht.extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-+ il->ht.is_40mhz = true;
-+ break;
-+ }
-
- 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;
-+ }
-
- 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 *
- }
-
- void iwlagn_config_ht40(struct ieee80211_conf *conf,
-- struct iwl_rxon_context *ctx)
-+ struct iwl_rxon_context *ctx)
- {
- 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);
- }
-@@ -1695,7 +1705,9 @@ static void mac80211_hwsim_free(void)
-
-
- static struct device_driver mac80211_hwsim_driver = {
-- .name = "mac80211_hwsim"
-+ .name = "mac80211_hwsim",
-+ .bus = &platform_bus_type,
-+ .owner = THIS_MODULE,
- };
-
- 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);
-
-+ err = driver_register(&mac80211_hwsim_driver);
-+ if (err)
-+ return err;
-+
- 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;
-+ }
-+
- 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;
-+
-+/**
-+ * 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;
-+
-+/**
- * 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
-+
- /**
- * 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;
-+
-+ u8 chains;
-+ s8 chain_signal[IEEE80211_MAX_CHAINS];
-+ s8 chain_signal_avg[IEEE80211_MAX_CHAINS];
-+
- 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);
-+
- /*
- * 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
-+
- /**
- * struct ieee80211_tx_rate - rate selection/status
- *
-@@ -602,8 +605,8 @@ static inline void ieee80211_rate_set_vh
- u8 mcs, u8 nss)
- {
- 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 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)
- {
-- return rate->idx >> 4;
-+ return (rate->idx >> 4) + 1;
- }
-
- /**
-@@ -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
- */
- struct ieee80211_channel_switch {
- u64 timestamp;
- bool block_tx;
-- struct ieee80211_channel *channel;
-+ struct cfg80211_chan_def chandef;
- u8 count;
- };
-
-@@ -1222,6 +1236,24 @@ enum ieee80211_sta_rx_bandwidth {
- };
-
- /**
-+ * 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,
- };
-@@ -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;
- };
-
-@@ -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
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);
-
-- 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);
-
- 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(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;
-
- /*
- * In 5 GHz/802.11a, we can always use short slot time.
-@@ -911,7 +914,7 @@ void ieee80211_rx_mgmt_probe_beacon(stru
- return;
-
- ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
-- &elems);
-+ false, &elems);
-
- 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;
-
- unsigned int flags;
- };
-@@ -740,6 +741,8 @@ struct ieee80211_sub_if_data {
-
- /* 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);
- }
+--- a/net/mac80211/ht.c
++++ b/net/mac80211/ht.c
+@@ -281,13 +281,14 @@ void ieee80211_ba_session_work(struct wo
+ sta, tid, WLAN_BACK_RECIPIENT,
+ WLAN_REASON_UNSPECIFIED, true);
+
++ spin_lock_bh(&sta->lock);
++
+ tid_tx = sta->ampdu_mlme.tid_start_tx[tid];
+ if (tid_tx) {
+ /*
+ * Assign it over to the normal tid_tx array
+ * where it "goes live".
+ */
+- spin_lock_bh(&sta->lock);
--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)
- {
-- ieee802_11_parse_elems_crc(start, len, elems, 0, 0);
-+ ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0);
- }
+ sta->ampdu_mlme.tid_start_tx[tid] = NULL;
+ /* could there be a race? */
+@@ -300,6 +301,7 @@ void ieee80211_ba_session_work(struct wo
+ ieee80211_tx_ba_session_handle_start(sta, tid);
+ continue;
+ }
++ spin_unlock_bh(&sta->lock);
- u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
+ tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
+ if (tid_tx && test_and_clear_bit(HT_AGG_STATE_WANT_STOP,
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
-@@ -450,7 +450,6 @@ int ieee80211_do_open(struct wireless_de
+@@ -463,7 +463,6 @@ int ieee80211_do_open(struct wireless_de
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
struct net_device *dev = wdev->netdev;
struct ieee80211_local *local = sdata->local;
u32 changed = 0;
int res;
u32 hw_reconf_flags = 0;
-@@ -609,30 +608,8 @@ int ieee80211_do_open(struct wireless_de
+@@ -629,30 +628,8 @@ int ieee80211_do_open(struct wireless_de
set_bit(SDATA_STATE_RUNNING, &sdata->state);
/*
* set_multicast_list will be invoked by the networking core
-@@ -1092,6 +1069,74 @@ static void ieee80211_if_setup(struct ne
+@@ -1116,6 +1093,74 @@ static void ieee80211_if_setup(struct ne
dev->destructor = free_netdev;
}
static void ieee80211_iface_work(struct work_struct *work)
{
struct ieee80211_sub_if_data *sdata =
-@@ -1196,6 +1241,9 @@ static void ieee80211_iface_work(struct
+@@ -1220,6 +1265,9 @@ static void ieee80211_iface_work(struct
break;
ieee80211_mesh_rx_queued_mgmt(sdata, skb);
break;
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;
- }
- 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);
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -2369,6 +2369,7 @@ ieee80211_rx_h_action(struct ieee80211_r
+ sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
+ sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+ sdata->vif.type != NL80211_IFTYPE_AP &&
++ sdata->vif.type != NL80211_IFTYPE_WDS &&
+ sdata->vif.type != NL80211_IFTYPE_ADHOC)
+ break;
- 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;
- }
+@@ -2720,14 +2721,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
-@@ -303,12 +305,6 @@ ieee80211_determine_chantype(struct ieee
- channel->band);
- vht_chandef.center_freq2 = 0;
+ 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 (vht_oper->center_freq_seg2_idx)
-- vht_chandef.center_freq2 =
-- ieee80211_channel_to_frequency(
-- vht_oper->center_freq_seg2_idx,
-- channel->band);
--
- 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
+ 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 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);
+ case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
+ case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
+@@ -3059,10 +3061,16 @@ static int prepare_for_handlers(struct i
+ }
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;
--
-- 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);
-- }
-- }
--
- /* 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;
-
-- /*
-- * 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);
- }
-
--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;
-
-- if (sdata->local->scanning)
-+ /* disregard subsequent announcements if we are already processing */
-+ if (ifmgd->flags & IEEE80211_STA_CSA_RECEIVED)
- return;
-
-- /* 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;
-+
-+ 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;
-+ }
-
-- if (ifmgd->flags & IEEE80211_STA_CSA_RECEIVED)
-+ if (ifmgd->flags & IEEE80211_STA_DISABLE_VHT)
-+ wide_bw_chansw_ie = NULL;
+ 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 (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;
-+ }
-+
-+ 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;
-+ }
-+
-+ 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;
-+ }
-+
-+ 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;
-+ }
-+
-+ 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);
-+
-+ 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);
-+ }
-+
-+ /* 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;
-+ }
-+
-+ 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;
- }
-
- ifmgd->flags |= IEEE80211_STA_CSA_RECEIVED;
-
-- 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;
- }
-
-- 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);
-
-- sdata->local->csa_channel = new_ch;
-+ local->csa_chandef = new_chandef;
-
-- 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));
- }
-
- static u32 ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
-@@ -2120,7 +2230,6 @@ void ieee80211_beacon_loss(struct ieee80
-
- trace_api_beacon_loss(sdata);
-
-- 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;
-
- 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;
-
- if (need_ps) {
-@@ -2698,10 +2810,9 @@ static void ieee80211_rx_bss_info(struct
- mutex_unlock(&local->iflist_mtx);
- }
-
-- 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);
-+
- }
-
-
-@@ -2726,7 +2837,7 @@ static void ieee80211_rx_mgmt_probe_resp
- return;
-
- 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;
-
- 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);
-
-@@ -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;
-
- 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;
- }
-
-@@ -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;
- }
-
-+static void __rate_control_send_low(struct ieee80211_hw *hw,
-+ struct ieee80211_supported_band *sband,
-+ struct ieee80211_sta *sta,
-+ struct ieee80211_tx_info *info)
-+{
-+ 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
-+ info->control.rates[0].idx =
-+ rate_lowest_non_cck_index(sband, sta);
-+
-+ info->control.rates[0].count =
-+ (info->flags & IEEE80211_TX_CTL_NO_ACK) ?
-+ 1 : hw->max_rate_tries;
-+
-+ info->control.skip_table = 1;
-+}
-+
-
- 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 ieee80211_rate *rate;
-+ bool inval = false;
-+ int i;
-+
-+ /*
-+ * 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?
-+ */
-+ 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;
-+ }
-+
-+ info->control.rts_cts_rate_idx = baserate;
-+ }
-+
-+ 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;
-+ }
-+
-+ /*
-+ * 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->control.use_cts_prot)
-+ rates[i].flags |=
-+ IEEE80211_TX_RC_USE_CTS_PROTECT;
-+ continue;
-+ }
-+
-+ if (rates[i].flags & IEEE80211_TX_RC_VHT_MCS) {
-+ WARN_ON(ieee80211_rate_get_vht_mcs(&rates[i]) > 9);
-+ continue;
-+ }
-+
-+ /* 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;
-+ }
-+
-+ /* RC is busted */
-+ if (WARN_ON_ONCE(rates[i].idx >= sband->n_bitrates)) {
-+ rates[i].idx = -1;
-+ continue;
-+ }
-+
-+ 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;
-+ }
-+}
-+
-+
-+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 {
-+ rates[i].idx = -1;
-+ rates[i].count = 0;
-+ }
-+
-+ 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;
-+
-+ 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];
-+ }
-+
-+ /*
-+ * 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;
-+
-+ rate_idx_match_mask(&rates[i], sband, chan_width, mask,
-+ mcs_mask);
-+ }
-+}
-+
-+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_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);
-+
-+ 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));
-+}
-+
-+int rate_control_set_rates(struct ieee80211_hw *hw,
-+ struct ieee80211_sta *pubsta,
-+ struct ieee80211_sta_rates *rates)
-+{
-+ struct ieee80211_sta_rates *old = rcu_dereference(pubsta->rates);
-+
-+ rcu_assign_pointer(pubsta->rates, rates);
-+ if (old)
-+ kfree_rcu(old, rcu_head);
-+
-+ 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];
-+
-+ 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;
-+}
-+
-+static void
-+minstrel_update_rates(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
-+{
-+ struct ieee80211_sta_rates *ratetbl;
-+ int i = 0;
-+
-+ 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]);
-+
-+ 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
- minstrel_update_stats(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
- {
- u8 tmp_tp_rate[MAX_THR_RATES];
-@@ -161,6 +205,8 @@ minstrel_update_stats(struct minstrel_pr
-
- /* Reset update timer */
- mi->stats_update = jiffies;
-+
-+ minstrel_update_rates(mp, mi);
- }
-
- 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;
- }
-@@ -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;
-
-- /* 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;
-- }
-
-- /* 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);
- }
-
-
-@@ -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 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)
- {
-- return (new * (100 - weight) + old * weight) / 100;
-+ return (new * (EWMA_DIV - weight) + old * weight) / EWMA_DIV;
- }
-
-
-@@ -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
- 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)
- {
- 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);
- }
-
-- 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);
- }
-
- 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
-
-- 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);
--
-- minstrel_ht_set_rate(mp, mi, &ar[2], mi->max_prob_rate,
-- false, !sample);
--
-- 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);
--
-- 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;
-- }
--
- mi->total_packets++;
-
- /* 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;
- }
-
- static void
-@@ -837,6 +856,8 @@ minstrel_ht_update_caps(void *priv, stru
-
- msp->is_ht = true;
- memset(mi, 0, sizeof(*mi));
-+
-+ mi->sta = sta;
- mi->stats_update = jiffies;
-
- 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;
-
- 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);
- }
-
-+ 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
- }
-
- 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;
-
-@@ -2423,6 +2439,22 @@ ieee80211_rx_h_action(struct ieee80211_r
- }
-
- 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;
-
-@@ -2695,14 +2723,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
-
- if (!ieee80211_vif_is_mesh(&sdata->vif) &&
- sdata->vif.type != NL80211_IFTYPE_ADHOC &&
-- sdata->vif.type != NL80211_IFTYPE_STATION)
-+ sdata->vif.type != NL80211_IFTYPE_STATION &&
-+ sdata->vif.type != NL80211_IFTYPE_WDS)
- return RX_DROP_MONITOR;
-
- switch (stype) {
- case cpu_to_le16(IEEE80211_STYPE_AUTH):
- case cpu_to_le16(IEEE80211_STYPE_BEACON):
- case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
-- /* process for all: mesh, mlme, ibss */
-+ /* process for all: mesh, mlme, ibss, wds */
- break;
- case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
- case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
-@@ -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;
++ 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;
-
-- ieee802_11_parse_elems(elements, skb->len - baselen, &elems);
-+ ieee802_11_parse_elems(elements, skb->len - baselen, false, &elems);
-
- channel = ieee80211_get_channel(local->hw.wiphy, rx_status->freq);
-
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -149,6 +149,7 @@ static void cleanup_single_sta(struct st
+ * directly by station destruction.
+ */
+ for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
++ kfree(sta->ampdu_mlme.tid_start_tx[i]);
+ tid_tx = rcu_dereference_raw(sta->ampdu_mlme.tid_tx[i]);
+ if (!tid_tx)
+ continue;
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -32,7 +32,6 @@
WLAN_STA_CLEAR_PS_FILT,
WLAN_STA_MFP,
WLAN_STA_BLOCK_BA,
-@@ -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;
- }
-
-+ 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;
-
- if (tx->sta)
- assoc = test_sta_flag(tx->sta, WLAN_STA_ASSOC);
-@@ -687,16 +692,38 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
- */
- rate_control_get_rate(tx->sdata, tx->sta, &txrc);
-
-- 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];
-+ }
-
- 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 (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;
-- }
--
-- info->control.rts_cts_rate_idx = baserate;
-- }
--
-- 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;
-- }
--
-- /*
-- * 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;
-- }
--
- return TX_CONTINUE;
- }
-
-@@ -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);
-
--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;
-+ }
-+
-+ return false;
-+}
-+EXPORT_SYMBOL(ieee80211_operating_class_to_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
+@@ -203,6 +201,7 @@ struct tid_ampdu_rx {
+ * driver requested to close until the work for it runs
+ * @mtx: mutex to protect all TX data (except non-NULL assignments
+ * to tid_tx[idx], which are protected by the sta spinlock)
++ * tid_start_tx is also protected by sta->lock.
*/
-@@ -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;
-+
-+ if (!mask)
-+ return true;
-+
-+ attr = nla_nest_start(msg, id);
-+ if (!attr)
-+ return false;
-+
-+ for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
-+ if (!(mask & BIT(i)))
-+ continue;
-+
-+ if (nla_put_u8(msg, i, signal[i]))
-+ return false;
-+ }
-+
-+ nla_nest_end(msg, attr);
-+
-+ return true;
-+}
-+
- 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;
+ struct sta_ampdu_mlme {
+ struct mutex mtx;
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -157,6 +157,13 @@ static void ath_send_bar(struct ath_atx_
- seqno << IEEE80211_SEQ_SEQ_SHIFT);
- }
-
-+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));
-+}
-+
- static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
- {
- struct ath_txq *txq = tid->ac->txq;
-@@ -189,6 +196,7 @@ static void ath_tx_flush_tid(struct ath_
- 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);
- }
- }
-@@ -407,7 +415,7 @@ 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++)
-@@ -736,8 +744,6 @@ 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 +784,8 @@ 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 +864,7 @@ 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 +1005,14 @@ 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;
-
-@@ -1743,6 +1750,7 @@ 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 +1900,6 @@ static struct ath_buf *ath_tx_setup_buff
- return bf;
- }
-
--/* FIXME: tx power */
--static void ath_tx_start_dma(struct ath_softc *sc, struct sk_buff *skb,
-- struct ath_tx_control *txctl)
--{
-- 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;
--
-- 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 ((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;
-- }
--
-- bf->bf_state.bfs_paprd = txctl->paprd;
--
-- if (txctl->paprd)
-- bf->bf_state.bfs_paprd_timestamp = jiffies;
--
-- ath_tx_send_normal(sc, txctl->txq, tid, skb);
-- }
--}
--
- /* 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 +1910,11 @@ 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 +1970,41 @@ int ath_tx_start(struct ieee80211_hw *hw
- txq->stopped = true;
+@@ -1778,9 +1778,13 @@ static void ath_tx_txqaddbuf(struct ath_
}
-- 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;
+ if (!internal) {
+- txq->axq_depth++;
+- if (bf_is_ampdu_not_probing(bf))
+- txq->axq_ampdu_depth++;
++ while (bf) {
++ txq->axq_depth++;
++ if (bf_is_ampdu_not_probing(bf))
++ txq->axq_ampdu_depth++;
+
-+ ath_set_rates(vif, sta, bf);
-+ ath_tx_send_normal(sc, txctl->txq, tid, skb);
-
-+out:
- ath_txq_unlock(sc, txq);
-
- return 0;
---- 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
-
- 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);
-
- return true;
++ bf = bf->bf_lastbf->bf_next;
++ }
+ }
}
-@@ -155,7 +155,7 @@ static void ath_rx_remove_buffer(struct
-
- rx_edma = &sc->rx.rx_edma[qtype];
-
-- 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;
- }
-
-- bf->bf_mpdu = requeue_skb;
-- bf->bf_buf_addr = new_buf_addr;
--
- /* Unmap the frame */
- dma_unmap_single(sc->dev, bf->bf_buf_addr,
- common->rx_bufsize, dma_type);
-+ 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;
- }
+--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
++++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+@@ -1183,7 +1183,7 @@ static int ath9k_htc_config(struct ieee8
+ mutex_lock(&priv->htc_pm_lock);
- if (wdev->sme_state == CFG80211_SME_CONNECTING &&
-@@ -987,6 +987,7 @@ int __cfg80211_disconnect(struct cfg8021
- return err;
- }
+ priv->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE);
+- if (priv->ps_idle)
++ if (!priv->ps_idle)
+ chip_reset = true;
-+ disconnect:
- if (wdev->sme_state == CFG80211_SME_CONNECTED)
- __cfg80211_disconnected(dev, NULL, 0, 0, false);
- else if (wdev->sme_state == CFG80211_SME_CONNECTING)
+ mutex_unlock(&priv->htc_pm_lock);
projects / openwrt.git / blobdiff