Merge tag 'mac80211-next-for-davem-2019-07-31' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
We have a reasonably large number of changes:
 * lots more HE (802.11ax) support, particularly things
   relevant for the the AP side, but also mesh support
 * debugfs cleanups from Greg
 * some more work on extended key ID
 * start using genl parallel_ops, as preparation for
   weaning ourselves off RTNL and getting parallelism
 * various other changes all over
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

27 files changed, 891 insertions, 318 deletions

diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 01b0dad24500..4d1c335e06e5 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -178,17 +178,54 @@ static void sta_rx_agg_reorder_timer_expired(struct timer_list *t)
 	rcu_read_unlock();
 }
 
-static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *da, u16 tid,
+static void ieee80211_add_addbaext(struct ieee80211_sub_if_data *sdata,
+				   struct sk_buff *skb,
+				   const struct ieee80211_addba_ext_ie *req)
+{
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_addba_ext_ie *resp;
+	const struct ieee80211_sta_he_cap *he_cap;
+	u8 frag_level, cap_frag_level;
+	u8 *pos;
+
+	sband = ieee80211_get_sband(sdata);
+	if (!sband)
+		return;
+	he_cap = ieee80211_get_he_iftype_cap(sband, sdata->vif.type);
+	if (!he_cap)
+		return;
+
+	pos = skb_put_zero(skb, 2 + sizeof(struct ieee80211_addba_ext_ie));
+	*pos++ = WLAN_EID_ADDBA_EXT;
+	*pos++ = sizeof(struct ieee80211_addba_ext_ie);
+	resp = (struct ieee80211_addba_ext_ie *)pos;
+	resp->data = req->data & IEEE80211_ADDBA_EXT_NO_FRAG;
+
+	frag_level = u32_get_bits(req->data,
+				  IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK);
+	cap_frag_level = u32_get_bits(he_cap->he_cap_elem.mac_cap_info[0],
+				      IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK);
+	if (frag_level > cap_frag_level)
+		frag_level = cap_frag_level;
+	resp->data |= u8_encode_bits(frag_level,
+				     IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK);
+}
+
+static void ieee80211_send_addba_resp(struct sta_info *sta, u8 *da, u16 tid,
 				      u8 dialog_token, u16 status, u16 policy,
-				      u16 buf_size, u16 timeout)
+				      u16 buf_size, u16 timeout,
+				      const struct ieee80211_addba_ext_ie *addbaext)
 {
+	struct ieee80211_sub_if_data *sdata = sta->sdata;
 	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb;
 	struct ieee80211_mgmt *mgmt;
 	bool amsdu = ieee80211_hw_check(&local->hw, SUPPORTS_AMSDU_IN_AMPDU);
 	u16 capab;
 
-	skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom);
+	skb = dev_alloc_skb(sizeof(*mgmt) +
+		    2 + sizeof(struct ieee80211_addba_ext_ie) +
+		    local->hw.extra_tx_headroom);
 	if (!skb)
 		return;
 
@@ -222,13 +259,17 @@ static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *d
 	mgmt->u.action.u.addba_resp.timeout = cpu_to_le16(timeout);
 	mgmt->u.action.u.addba_resp.status = cpu_to_le16(status);
 
+	if (sta->sta.he_cap.has_he && addbaext)
+		ieee80211_add_addbaext(sdata, skb, addbaext);
+
 	ieee80211_tx_skb(sdata, skb);
 }
 
 void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
 				      u8 dialog_token, u16 timeout,
 				      u16 start_seq_num, u16 ba_policy, u16 tid,
-				      u16 buf_size, bool tx, bool auto_seq)
+				      u16 buf_size, bool tx, bool auto_seq,
+				      const struct ieee80211_addba_ext_ie *addbaext)
 {
 	struct ieee80211_local *local = sta->sdata->local;
 	struct tid_ampdu_rx *tid_agg_rx;
@@ -410,21 +451,22 @@ end:
 	}
 
 	if (tx)
-		ieee80211_send_addba_resp(sta->sdata, sta->sta.addr, tid,
+		ieee80211_send_addba_resp(sta, sta->sta.addr, tid,
 					  dialog_token, status, 1, buf_size,
-					  timeout);
+					  timeout, addbaext);
 }
 
 static void __ieee80211_start_rx_ba_session(struct sta_info *sta,
 					    u8 dialog_token, u16 timeout,
 					    u16 start_seq_num, u16 ba_policy,
 					    u16 tid, u16 buf_size, bool tx,
-					    bool auto_seq)
+					    bool auto_seq,
+					    const struct ieee80211_addba_ext_ie *addbaext)
 {
 	mutex_lock(&sta->ampdu_mlme.mtx);
 	___ieee80211_start_rx_ba_session(sta, dialog_token, timeout,
 					 start_seq_num, ba_policy, tid,
-					 buf_size, tx, auto_seq);
+					 buf_size, tx, auto_seq, addbaext);
 	mutex_unlock(&sta->ampdu_mlme.mtx);
 }
 
@@ -434,7 +476,9 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
 				     size_t len)
 {
 	u16 capab, tid, timeout, ba_policy, buf_size, start_seq_num;
+	struct ieee802_11_elems elems = { 0 };
 	u8 dialog_token;
+	int ies_len;
 
 	/* extract session parameters from addba request frame */
 	dialog_token = mgmt->u.action.u.addba_req.dialog_token;
@@ -447,9 +491,19 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
 	tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
 	buf_size = (capab & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6;
 
+	ies_len = len - offsetof(struct ieee80211_mgmt,
+				 u.action.u.addba_req.variable);
+	if (ies_len) {
+		ieee802_11_parse_elems(mgmt->u.action.u.addba_req.variable,
+                                ies_len, true, &elems, mgmt->bssid, NULL);
+		if (elems.parse_error)
+			return;
+	}
+
 	__ieee80211_start_rx_ba_session(sta, dialog_token, timeout,
 					start_seq_num, ba_policy, tid,
-					buf_size, true, false);
+					buf_size, true, false,
+					elems.addba_ext_ie);
 }
 
 void ieee80211_manage_rx_ba_offl(struct ieee80211_vif *vif,
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 4d458067d80d..ed56b0c6fe19 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -980,7 +980,8 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 		      BSS_CHANGED_SSID |
 		      BSS_CHANGED_P2P_PS |
 		      BSS_CHANGED_TXPOWER |
-		      BSS_CHANGED_TWT;
+		      BSS_CHANGED_TWT |
+		      BSS_CHANGED_HE_OBSS_PD;
 	int err;
 	int prev_beacon_int;
 
@@ -1051,6 +1052,8 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 	sdata->vif.bss_conf.enable_beacon = true;
 	sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
 	sdata->vif.bss_conf.twt_responder = params->twt_responder;
+	memcpy(&sdata->vif.bss_conf.he_obss_pd, &params->he_obss_pd,
+	       sizeof(struct ieee80211_he_obss_pd));
 
 	sdata->vif.bss_conf.ssid_len = params->ssid_len;
 	if (params->ssid_len)
@@ -1543,7 +1546,7 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 	if (ether_addr_equal(mac, sdata->vif.addr))
 		return -EINVAL;
 
-	if (is_multicast_ether_addr(mac))
+	if (!is_valid_ether_addr(mac))
 		return -EINVAL;
 
 	sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 2e7f75938c51..568b3b276931 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -271,8 +271,7 @@ static const char *hw_flag_names[] = {
 	FLAG(TX_STATUS_NO_AMPDU_LEN),
 	FLAG(SUPPORTS_MULTI_BSSID),
 	FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID),
-	FLAG(EXT_KEY_ID_NATIVE),
-	FLAG(NO_AMPDU_KEYBORDER_SUPPORT),
+	FLAG(AMPDU_KEYBORDER_SUPPORT),
 #undef FLAG
 };
 
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index c2d8b5451a5e..2c9b3eb8b652 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -692,14 +692,16 @@ static inline int drv_remain_on_channel(struct ieee80211_local *local,
 	return ret;
 }
 
-static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
+static inline int
+drv_cancel_remain_on_channel(struct ieee80211_local *local,
+			     struct ieee80211_sub_if_data *sdata)
 {
 	int ret;
 
 	might_sleep();
 
-	trace_drv_cancel_remain_on_channel(local);
-	ret = local->ops->cancel_remain_on_channel(&local->hw);
+	trace_drv_cancel_remain_on_channel(local, sdata);
+	ret = local->ops->cancel_remain_on_channel(&local->hw, &sdata->vif);
 	trace_drv_return_int(local, ret);
 
 	return ret;
diff --git a/net/mac80211/he.c b/net/mac80211/he.c
index 219650591c79..a02abfc424aa 100644
--- a/net/mac80211/he.c
+++ b/net/mac80211/he.c
@@ -50,3 +50,42 @@ ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
 
 	he_cap->has_he = true;
 }
+
+void
+ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
+			const struct ieee80211_he_operation *he_op_ie_elem)
+{
+	struct ieee80211_he_operation *he_operation =
+					&vif->bss_conf.he_operation;
+
+	if (!he_op_ie_elem) {
+		memset(he_operation, 0, sizeof(*he_operation));
+		return;
+	}
+
+	vif->bss_conf.he_operation = *he_op_ie_elem;
+}
+
+void
+ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
+				const struct ieee80211_he_spr *he_spr_ie_elem)
+{
+	struct ieee80211_he_obss_pd *he_obss_pd =
+					&vif->bss_conf.he_obss_pd;
+	const u8 *data = he_spr_ie_elem->optional;
+
+	memset(he_obss_pd, 0, sizeof(*he_obss_pd));
+
+	if (!he_spr_ie_elem)
+		return;
+
+	if (he_spr_ie_elem->he_sr_control &
+	    IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
+		data++;
+	if (he_spr_ie_elem->he_sr_control &
+	    IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) {
+		he_obss_pd->max_offset = *data++;
+		he_obss_pd->min_offset = *data++;
+		he_obss_pd->enable = true;
+	}
+}
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index d5a500b2a448..a2e4d6b8fd98 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -359,7 +359,7 @@ void ieee80211_ba_session_work(struct work_struct *work)
 				       sta->ampdu_mlme.tid_rx_manage_offl))
 			___ieee80211_start_rx_ba_session(sta, 0, 0, 0, 1, tid,
 							 IEEE80211_MAX_AMPDU_BUF_HT,
-							 false, true);
+							 false, true, NULL);
 
 		if (test_and_clear_bit(tid + IEEE80211_NUM_TIDS,
 				       sta->ampdu_mlme.tid_rx_manage_offl))
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 004e2e3adb88..791ce58d0f09 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1480,6 +1480,7 @@ struct ieee802_11_elems {
 	const struct ieee80211_meshconf_ie *mesh_config;
 	const u8 *he_cap;
 	const struct ieee80211_he_operation *he_operation;
+	const struct ieee80211_he_spr *he_spr;
 	const struct ieee80211_mu_edca_param_set *mu_edca_param_set;
 	const u8 *uora_element;
 	const u8 *mesh_id;
@@ -1506,6 +1507,7 @@ struct ieee802_11_elems {
 	u8 max_bssid_indicator;
 	u8 dtim_count;
 	u8 dtim_period;
+	const struct ieee80211_addba_ext_ie *addba_ext_ie;
 
 	/* length of them, respectively */
 	u8 ext_capab_len;
@@ -1767,7 +1769,8 @@ ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata,
 			      struct sk_buff *skb, u32 info_flags);
 void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
 			  struct ieee80211_supported_band *sband,
-			  int retry_count, int shift, bool send_to_cooked);
+			  int retry_count, int shift, bool send_to_cooked,
+			  struct ieee80211_tx_status *status);
 
 void ieee80211_check_fast_xmit(struct sta_info *sta);
 void ieee80211_check_fast_xmit_all(struct ieee80211_local *local);
@@ -1804,7 +1807,8 @@ void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
 void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
 				      u8 dialog_token, u16 timeout,
 				      u16 start_seq_num, u16 ba_policy, u16 tid,
-				      u16 buf_size, bool tx, bool auto_seq);
+				      u16 buf_size, bool tx, bool auto_seq,
+				      const struct ieee80211_addba_ext_ie *addbaext);
 void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta,
 					 enum ieee80211_agg_stop_reason reason);
 void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
@@ -1869,6 +1873,13 @@ ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
 				  struct ieee80211_supported_band *sband,
 				  const u8 *he_cap_ie, u8 he_cap_len,
 				  struct sta_info *sta);
+void
+ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
+				const struct ieee80211_he_spr *he_spr_ie_elem);
+
+void
+ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
+			const struct ieee80211_he_operation *he_op_ie_elem);
 
 /* Spectrum management */
 void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
@@ -2133,9 +2144,11 @@ u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
 			       u32 cap);
 u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
 				const struct cfg80211_chan_def *chandef);
+u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata, u8 iftype);
 u8 *ieee80211_ie_build_he_cap(u8 *pos,
 			      const struct ieee80211_sta_he_cap *he_cap,
 			      u8 *end);
+u8 *ieee80211_ie_build_he_oper(u8 *pos);
 int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef,
 			     const struct ieee80211_supported_band *sband,
 			     const u8 *srates, int srates_len, u32 *rates);
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index dd60f6428049..7dfee848abac 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -270,7 +270,7 @@ int ieee80211_set_tx_key(struct ieee80211_key *key)
 
 	sta->ptk_idx = key->conf.keyidx;
 
-	if (ieee80211_hw_check(&local->hw, NO_AMPDU_KEYBORDER_SUPPORT))
+	if (!ieee80211_hw_check(&local->hw, AMPDU_KEYBORDER_SUPPORT))
 		clear_sta_flag(sta, WLAN_STA_BLOCK_BA);
 	ieee80211_check_fast_xmit(sta);
 
@@ -290,15 +290,15 @@ static void ieee80211_pairwise_rekey(struct ieee80211_key *old,
 		/* Extended Key ID key install, initial one or rekey */
 
 		if (sta->ptk_idx != INVALID_PTK_KEYIDX &&
-		    ieee80211_hw_check(&local->hw,
-				       NO_AMPDU_KEYBORDER_SUPPORT)) {
+		    !ieee80211_hw_check(&local->hw, AMPDU_KEYBORDER_SUPPORT)) {
 			/* Aggregation Sessions with Extended Key ID must not
 			 * mix MPDUs with different keyIDs within one A-MPDU.
-			 * Tear down any running Tx aggregation and all new
-			 * Rx/Tx aggregation request during rekey if the driver
-			 * asks us to do so. (Blocking Tx only would be
-			 * sufficient but WLAN_STA_BLOCK_BA gets the job done
-			 * for the few ms we need it.)
+			 * Tear down running Tx aggregation sessions and block
+			 * new Rx/Tx aggregation requests during rekey to
+			 * ensure there are no A-MPDUs when the driver is not
+			 * supporting A-MPDU key borders. (Blocking Tx only
+			 * would be sufficient but WLAN_STA_BLOCK_BA gets the
+			 * job done for the few ms we need it.)
 			 */
 			set_sta_flag(sta, WLAN_STA_BLOCK_BA);
 			mutex_lock(&sta->ampdu_mlme.mtx);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 4c2702f128f3..29b9d57df1a3 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1048,21 +1048,15 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 		}
 	}
 
-	/* Enable Extended Key IDs when driver allowed it, or when it
-	 * supports neither HW crypto nor A-MPDUs
+	/* Mac80211 and therefore all drivers using SW crypto only
+	 * are able to handle PTK rekeys and Extended Key ID.
 	 */
-	if ((!local->ops->set_key &&
-	     !ieee80211_hw_check(hw, AMPDU_AGGREGATION)) ||
-	    ieee80211_hw_check(&local->hw, EXT_KEY_ID_NATIVE))
-		wiphy_ext_feature_set(local->hw.wiphy,
-				      NL80211_EXT_FEATURE_EXT_KEY_ID);
-
-	/* Mac80211 and therefore all cards only using SW crypto are able to
-	 * handle PTK rekeys correctly
-	 */
-	if (!local->ops->set_key)
+	if (!local->ops->set_key) {
 		wiphy_ext_feature_set(local->hw.wiphy,
 				      NL80211_EXT_FEATURE_CAN_REPLACE_PTK0);
+		wiphy_ext_feature_set(local->hw.wiphy,
+				      NL80211_EXT_FEATURE_EXT_KEY_ID);
+	}
 
 	/*
 	 * Calculate scan IE length -- we need this to alloc
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 2e7fa743c892..d09b3c789314 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -532,6 +532,61 @@ int mesh_add_vht_oper_ie(struct ieee80211_sub_if_data *sdata,
 	return 0;
 }
 
+int mesh_add_he_cap_ie(struct ieee80211_sub_if_data *sdata,
+		       struct sk_buff *skb, u8 ie_len)
+{
+	const struct ieee80211_sta_he_cap *he_cap;
+	struct ieee80211_supported_band *sband;
+	u8 *pos;
+
+	sband = ieee80211_get_sband(sdata);
+	if (!sband)
+		return -EINVAL;
+
+	he_cap = ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
+
+	if (!he_cap ||
+	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
+	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
+	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+		return 0;
+
+	if (skb_tailroom(skb) < ie_len)
+		return -ENOMEM;
+
+	pos = skb_put(skb, ie_len);
+	ieee80211_ie_build_he_cap(pos, he_cap, pos + ie_len);
+
+	return 0;
+}
+
+int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata,
+			struct sk_buff *skb)
+{
+	const struct ieee80211_sta_he_cap *he_cap;
+	struct ieee80211_supported_band *sband;
+	u8 *pos;
+
+	sband = ieee80211_get_sband(sdata);
+	if (!sband)
+		return -EINVAL;
+
+	he_cap = ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT);
+	if (!he_cap ||
+	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
+	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
+	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
+		return 0;
+
+	if (skb_tailroom(skb) < 2 + 1 + sizeof(struct ieee80211_he_operation))
+		return -ENOMEM;
+
+	pos = skb_put(skb, 2 + 1 + sizeof(struct ieee80211_he_operation));
+	ieee80211_ie_build_he_oper(pos);
+
+	return 0;
+}
+
 static void ieee80211_mesh_path_timer(struct timer_list *t)
 {
 	struct ieee80211_sub_if_data *sdata =
@@ -677,6 +732,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
 	struct ieee80211_chanctx_conf *chanctx_conf;
 	struct mesh_csa_settings *csa;
 	enum nl80211_band band;
+	u8 ie_len_he_cap;
 	u8 *pos;
 	struct ieee80211_sub_if_data *sdata;
 	int hdr_len = offsetofend(struct ieee80211_mgmt, u.beacon);
@@ -687,6 +743,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
 	band = chanctx_conf->def.chan->band;
 	rcu_read_unlock();
 
+	ie_len_he_cap = ieee80211_ie_len_he_cap(sdata,
+						NL80211_IFTYPE_MESH_POINT);
 	head_len = hdr_len +
 		   2 + /* NULL SSID */
 		   /* Channel Switch Announcement */
@@ -706,6 +764,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
 		   2 + sizeof(__le16) + /* awake window */
 		   2 + sizeof(struct ieee80211_vht_cap) +
 		   2 + sizeof(struct ieee80211_vht_operation) +
+		   ie_len_he_cap +
+		   2 + 1 + sizeof(struct ieee80211_he_operation) +
 		   ifmsh->ie_len;
 
 	bcn = kzalloc(sizeof(*bcn) + head_len + tail_len, GFP_KERNEL);
@@ -823,6 +883,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
 	    mesh_add_awake_window_ie(sdata, skb) ||
 	    mesh_add_vht_cap_ie(sdata, skb) ||
 	    mesh_add_vht_oper_ie(sdata, skb) ||
+	    mesh_add_he_cap_ie(sdata, skb, ie_len_he_cap) ||
+	    mesh_add_he_oper_ie(sdata, skb) ||
 	    mesh_add_vendor_ies(sdata, skb))
 		goto out_free;
 
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 94d57cce70da..953f720754e8 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -218,6 +218,10 @@ int mesh_add_vht_cap_ie(struct ieee80211_sub_if_data *sdata,
 			struct sk_buff *skb);
 int mesh_add_vht_oper_ie(struct ieee80211_sub_if_data *sdata,
 			 struct sk_buff *skb);
+int mesh_add_he_cap_ie(struct ieee80211_sub_if_data *sdata,
+		       struct sk_buff *skb, u8 ie_len);
+int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata,
+			struct sk_buff *skb);
 void mesh_rmc_free(struct ieee80211_sub_if_data *sdata);
 int mesh_rmc_init(struct ieee80211_sub_if_data *sdata);
 void ieee80211s_init(void);
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index dd3aefd052a9..737c5f4dbf52 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -218,9 +218,12 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
 	bool include_plid = false;
 	u16 peering_proto = 0;
 	u8 *pos, ie_len = 4;
+	u8 ie_len_he_cap;
 	int hdr_len = offsetofend(struct ieee80211_mgmt, u.action.u.self_prot);
 	int err = -ENOMEM;
 
+	ie_len_he_cap = ieee80211_ie_len_he_cap(sdata,
+						NL80211_IFTYPE_MESH_POINT);
 	skb = dev_alloc_skb(local->tx_headroom +
 			    hdr_len +
 			    2 + /* capability info */
@@ -233,6 +236,8 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
 			    2 + sizeof(struct ieee80211_ht_operation) +
 			    2 + sizeof(struct ieee80211_vht_cap) +
 			    2 + sizeof(struct ieee80211_vht_operation) +
+			    ie_len_he_cap +
+			    2 + 1 + sizeof(struct ieee80211_he_operation) +
 			    2 + 8 + /* peering IE */
 			    sdata->u.mesh.ie_len);
 	if (!skb)
@@ -321,7 +326,9 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
 		if (mesh_add_ht_cap_ie(sdata, skb) ||
 		    mesh_add_ht_oper_ie(sdata, skb) ||
 		    mesh_add_vht_cap_ie(sdata, skb) ||
-		    mesh_add_vht_oper_ie(sdata, skb))
+		    mesh_add_vht_oper_ie(sdata, skb) ||
+		    mesh_add_he_cap_ie(sdata, skb, ie_len_he_cap) ||
+		    mesh_add_he_oper_ie(sdata, skb))
 			goto free;
 	}
 
@@ -433,6 +440,9 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata,
 	ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
 					    elems->vht_cap_elem, sta);
 
+	ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband, elems->he_cap,
+					  elems->he_cap_len, sta);
+
 	if (bw != sta->sta.bandwidth)
 		changed |= IEEE80211_RC_BW_CHANGED;
 
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index a99ad0325309..e89ed800f012 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2512,7 +2512,10 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
 
 	if (ieee80211_hw_check(&sdata->local->hw, REPORTS_TX_ACK_STATUS)) {
 		ifmgd->nullfunc_failed = false;
-		ieee80211_send_nullfunc(sdata->local, sdata, false);
+		if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE))
+			ifmgd->probe_send_count--;
+		else
+			ieee80211_send_nullfunc(sdata->local, sdata, false);
 	} else {
 		int ssid_len;
 
@@ -3381,6 +3384,8 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
 		if (elems.uora_element)
 			bss_conf->uora_ocw_range = elems.uora_element[0];
 
+		ieee80211_he_op_ie_to_bss_conf(&sdata->vif, elems.he_operation);
+		ieee80211_he_spr_ie_to_bss_conf(&sdata->vif, elems.he_spr);
 		/* TODO: OPEN: what happens if BSS color disable is set? */
 	}
 
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 60ef8972b254..c710504ccf1a 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -8,6 +8,7 @@
  * Copyright 2006-2007	Jiri Benc <jbenc@suse.cz>
  * Copyright 2007, Michael Wu <flamingice@sourmilk.net>
  * Copyright 2009	Johannes Berg <johannes@sipsolutions.net>
+ * Copyright (C) 2019 Intel Corporation
  */
 #include <linux/export.h>
 #include <net/mac80211.h>
@@ -732,7 +733,7 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local,
 	}
 
 	if (local->ops->remain_on_channel) {
-		ret = drv_cancel_remain_on_channel(local);
+		ret = drv_cancel_remain_on_channel(local, roc->sdata);
 		if (WARN_ON_ONCE(ret)) {
 			mutex_unlock(&local->mtx);
 			return ret;
@@ -991,7 +992,7 @@ void ieee80211_roc_purge(struct ieee80211_local *local,
 		if (roc->started) {
 			if (local->ops->remain_on_channel) {
 				/* can race, so ignore return value */
-				drv_cancel_remain_on_channel(local);
+				drv_cancel_remain_on_channel(local, sdata);
 				ieee80211_roc_notify_destroy(roc);
 			} else {
 				roc->abort = true;
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index 5d5348bc41ec..5397c6dad056 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -60,15 +60,6 @@ static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
 #endif
 }
 
-static inline void rate_control_remove_sta_debugfs(struct sta_info *sta)
-{
-#ifdef CONFIG_MAC80211_DEBUGFS
-	struct rate_control_ref *ref = sta->rate_ctrl;
-	if (ref && ref->ops->remove_sta_debugfs)
-		ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv);
-#endif
-}
-
 void ieee80211_check_rate_mask(struct ieee80211_sub_if_data *sdata);
 
 /* Get a reference to the rate control algorithm. If `name' is NULL, get the
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 95eb8220e2e4..fb6614f57cbc 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -1065,7 +1065,6 @@ static void __sta_info_destroy_part2(struct sta_info *sta)
 	cfg80211_del_sta_sinfo(sdata->dev, sta->sta.addr, sinfo, GFP_KERNEL);
 	kfree(sinfo);
 
-	rate_control_remove_sta_debugfs(sta);
 	ieee80211_sta_debugfs_remove(sta);
 
 	cleanup_single_sta(sta);
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index a88e3bf17e9d..f03aa8924d23 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -254,7 +254,8 @@ static void ieee80211_set_bar_pending(struct sta_info *sta, u8 tid, u16 ssn)
 	tid_tx->bar_pending = true;
 }
 
-static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info)
+static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info,
+				     struct ieee80211_tx_status *status)
 {
 	int len = sizeof(struct ieee80211_radiotap_header);
 
@@ -272,7 +273,14 @@ static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info)
 
 	/* IEEE80211_RADIOTAP_MCS
 	 * IEEE80211_RADIOTAP_VHT */
-	if (info->status.rates[0].idx >= 0) {
+	if (status && status->rate) {
+		if (status->rate->flags & RATE_INFO_FLAGS_MCS)
+			len += 3;
+		else if (status->rate->flags & RATE_INFO_FLAGS_VHT_MCS)
+			len = ALIGN(len, 2) + 12;
+		else if (status->rate->flags & RATE_INFO_FLAGS_HE_MCS)
+			len = ALIGN(len, 2) + 12;
+	} else if (info->status.rates[0].idx >= 0) {
 		if (info->status.rates[0].flags & IEEE80211_TX_RC_MCS)
 			len += 3;
 		else if (info->status.rates[0].flags & IEEE80211_TX_RC_VHT_MCS)
@@ -286,12 +294,14 @@ static void
 ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
 				 struct ieee80211_supported_band *sband,
 				 struct sk_buff *skb, int retry_count,
-				 int rtap_len, int shift)
+				 int rtap_len, int shift,
+				 struct ieee80211_tx_status *status)
 {
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	struct ieee80211_radiotap_header *rthdr;
 	unsigned char *pos;
+	u16 legacy_rate = 0;
 	u16 txflags;
 
 	rthdr = skb_push(skb, rtap_len);
@@ -310,14 +320,22 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
 	 */
 
 	/* IEEE80211_RADIOTAP_RATE */
-	if (info->status.rates[0].idx >= 0 &&
-	    !(info->status.rates[0].flags & (IEEE80211_TX_RC_MCS |
-					     IEEE80211_TX_RC_VHT_MCS))) {
-		u16 rate;
 
+	if (status && status->rate && !(status->rate->flags &
+					(RATE_INFO_FLAGS_MCS |
+					 RATE_INFO_FLAGS_60G |
+					 RATE_INFO_FLAGS_VHT_MCS |
+					 RATE_INFO_FLAGS_HE_MCS)))
+		legacy_rate = status->rate->legacy;
+	else if (info->status.rates[0].idx >= 0 &&
+		 !(info->status.rates[0].flags & (IEEE80211_TX_RC_MCS |
+						  IEEE80211_TX_RC_VHT_MCS)))
+		legacy_rate =
+			sband->bitrates[info->status.rates[0].idx].bitrate;
+
+	if (legacy_rate) {
 		rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_RATE);
-		rate = sband->bitrates[info->status.rates[0].idx].bitrate;
-		*pos = DIV_ROUND_UP(rate, 5 * (1 << shift));
+		*pos = DIV_ROUND_UP(legacy_rate, 5 * (1 << shift));
 		/* padding for tx flags */
 		pos += 2;
 	}
@@ -341,7 +359,139 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
 	*pos = retry_count;
 	pos++;
 
-	if (info->status.rates[0].idx < 0)
+	if (status && status->rate &&
+	    (status->rate->flags & RATE_INFO_FLAGS_MCS)) {
+		rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_MCS);
+		pos[0] = IEEE80211_RADIOTAP_MCS_HAVE_MCS |
+			 IEEE80211_RADIOTAP_MCS_HAVE_GI |
+			 IEEE80211_RADIOTAP_MCS_HAVE_BW;
+		if (status->rate->flags & RATE_INFO_FLAGS_SHORT_GI)
+			pos[1] |= IEEE80211_RADIOTAP_MCS_SGI;
+		if (status->rate->bw == RATE_INFO_BW_40)
+			pos[1] |= IEEE80211_RADIOTAP_MCS_BW_40;
+		pos[2] = status->rate->mcs;
+		pos += 3;
+	} else if (status && status->rate &&
+		   (status->rate->flags & RATE_INFO_FLAGS_VHT_MCS)) {
+		u16 known = local->hw.radiotap_vht_details &
+			(IEEE80211_RADIOTAP_VHT_KNOWN_GI |
+			 IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH);
+
+		rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_VHT);
+
+		/* required alignment from rthdr */
+		pos = (u8 *)rthdr + ALIGN(pos - (u8 *)rthdr, 2);
+
+		/* u16 known - IEEE80211_RADIOTAP_VHT_KNOWN_* */
+		put_unaligned_le16(known, pos);
+		pos += 2;
+
+		/* u8 flags - IEEE80211_RADIOTAP_VHT_FLAG_* */
+		if (status->rate->flags & RATE_INFO_FLAGS_SHORT_GI)
+			*pos |= IEEE80211_RADIOTAP_VHT_FLAG_SGI;
+		pos++;
+
+		/* u8 bandwidth */
+		switch (status->rate->bw) {
+		case RATE_INFO_BW_160:
+			*pos = 11;
+			break;
+		case RATE_INFO_BW_80:
+			*pos = 2;
+			break;
+		case RATE_INFO_BW_40:
+			*pos = 1;
+			break;
+		default:
+			*pos = 0;
+			break;
+		}
+
+		/* u8 mcs_nss[4] */
+		*pos = (status->rate->mcs << 4) | status->rate->nss;
+		pos += 4;
+
+		/* u8 coding */
+		pos++;
+		/* u8 group_id */
+		pos++;
+		/* u16 partial_aid */
+		pos += 2;
+	} else if (status && status->rate &&
+		   (status->rate->flags & RATE_INFO_FLAGS_HE_MCS)) {
+		struct ieee80211_radiotap_he *he;
+
+		rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_HE);
+
+		/* required alignment from rthdr */
+		pos = (u8 *)rthdr + ALIGN(pos - (u8 *)rthdr, 2);
+		he = (struct ieee80211_radiotap_he *)pos;
+
+		he->data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_FORMAT_SU |
+					IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN |
+					IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN |
+					IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN);
+
+		he->data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN);
+
+#define HE_PREP(f, val) le16_encode_bits(val, IEEE80211_RADIOTAP_HE_##f)
+
+		he->data6 |= HE_PREP(DATA6_NSTS, status->rate->nss);
+
+#define CHECK_GI(s) \
+	BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA5_GI_##s != \
+	(int)NL80211_RATE_INFO_HE_GI_##s)
+
+		CHECK_GI(0_8);
+		CHECK_GI(1_6);
+		CHECK_GI(3_2);
+
+		he->data3 |= HE_PREP(DATA3_DATA_MCS, status->rate->mcs);
+		he->data3 |= HE_PREP(DATA3_DATA_DCM, status->rate->he_dcm);
+
+		he->data5 |= HE_PREP(DATA5_GI, status->rate->he_gi);
+
+		switch (status->rate->bw) {
+		case RATE_INFO_BW_20:
+			he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
+					     IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_20MHZ);
+			break;
+		case RATE_INFO_BW_40:
+			he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
+					     IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_40MHZ);
+			break;
+		case RATE_INFO_BW_80:
+			he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
+					     IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_80MHZ);
+			break;
+		case RATE_INFO_BW_160:
+			he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
+					     IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_160MHZ);
+			break;
+		case RATE_INFO_BW_HE_RU:
+#define CHECK_RU_ALLOC(s) \
+	BUILD_BUG_ON(IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_##s##T != \
+	NL80211_RATE_INFO_HE_RU_ALLOC_##s + 4)
+
+			CHECK_RU_ALLOC(26);
+			CHECK_RU_ALLOC(52);
+			CHECK_RU_ALLOC(106);
+			CHECK_RU_ALLOC(242);
+			CHECK_RU_ALLOC(484);
+			CHECK_RU_ALLOC(996);
+			CHECK_RU_ALLOC(2x996);
+
+			he->data5 |= HE_PREP(DATA5_DATA_BW_RU_ALLOC,
+					     status->rate->he_ru_alloc + 4);
+			break;
+		default:
+			WARN_ONCE(1, "Invalid SU BW %d\n", status->rate->bw);
+		}
+
+		pos += sizeof(struct ieee80211_radiotap_he);
+	}
+
+	if ((status && status->rate) || info->status.rates[0].idx < 0)
 		return;
 
 	/* IEEE80211_RADIOTAP_MCS
@@ -645,7 +795,8 @@ static int ieee80211_tx_get_rates(struct ieee80211_hw *hw,
 
 void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
 			  struct ieee80211_supported_band *sband,
-			  int retry_count, int shift, bool send_to_cooked)
+			  int retry_count, int shift, bool send_to_cooked,
+			  struct ieee80211_tx_status *status)
 {
 	struct sk_buff *skb2;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -654,14 +805,14 @@ void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
 	int rtap_len;
 
 	/* send frame to monitor interfaces now */
-	rtap_len = ieee80211_tx_radiotap_len(info);
+	rtap_len = ieee80211_tx_radiotap_len(info, status);
 	if (WARN_ON_ONCE(skb_headroom(skb) < rtap_len)) {
 		pr_err("ieee80211_tx_status: headroom too small\n");
 		dev_kfree_skb(skb);
 		return;
 	}
 	ieee80211_add_tx_radiotap_header(local, sband, skb, retry_count,
-					 rtap_len, shift);
+					 rtap_len, shift, status);
 
 	/* XXX: is this sufficient for BPF? */
 	skb_reset_mac_header(skb);
@@ -901,7 +1052,8 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw,
 	}
 
 	/* send to monitor interfaces */
-	ieee80211_tx_monitor(local, skb, sband, retry_count, shift, send_to_cooked);
+	ieee80211_tx_monitor(local, skb, sband, retry_count, shift,
+			     send_to_cooked, status);
 }
 
 void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 3bb4459b52c7..4768322dc202 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -1242,9 +1242,10 @@ TRACE_EVENT(drv_remain_on_channel,
 	)
 );
 
-DEFINE_EVENT(local_only_evt, drv_cancel_remain_on_channel,
-	TP_PROTO(struct ieee80211_local *local),
-	TP_ARGS(local)
+DEFINE_EVENT(local_sdata_evt, drv_cancel_remain_on_channel,
+	TP_PROTO(struct ieee80211_local *local,
+		 struct ieee80211_sub_if_data *sdata),
+	TP_ARGS(local, sdata)
 );
 
 TRACE_EVENT(drv_set_ringparam,
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index f13eb2f61ccf..235c6377a203 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -3546,6 +3546,8 @@ struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw,
 	ieee80211_tx_result r;
 	struct ieee80211_vif *vif = txq->vif;
 
+	WARN_ON_ONCE(softirq_count() == 0);
+
 begin:
 	spin_lock_bh(&fq->lock);
 
@@ -4647,7 +4649,8 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
 	if (!sband)
 		return bcn;
 
-	ieee80211_tx_monitor(hw_to_local(hw), copy, sband, 1, shift, false);
+	ieee80211_tx_monitor(hw_to_local(hw), copy, sband, 1, shift, false,
+			     NULL);
 
 	return bcn;
 }
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 1b224fa27367..caa317faee3c 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1200,6 +1200,13 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
 
 			elems->cisco_dtpc_elem = pos;
 			break;
+		case WLAN_EID_ADDBA_EXT:
+			if (elen != sizeof(struct ieee80211_addba_ext_ie)) {
+				elem_parse_failed = true;
+				break;
+			}
+			elems->addba_ext_ie = (void *)pos;
+			break;
 		case WLAN_EID_TIMEOUT_INTERVAL:
 			if (elen >= sizeof(struct ieee80211_timeout_interval_ie))
 				elems->timeout_int = (void *)pos;
@@ -1233,6 +1240,10 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
 				   WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION &&
 				   elen == 3) {
 				elems->mbssid_config_ie = (void *)&pos[1];
+			} else if (pos[0] == WLAN_EID_EXT_HE_SPR &&
+				   elen >= sizeof(*elems->he_spr) &&
+				   elen >= ieee80211_he_spr_size(&pos[1])) {
+				elems->he_spr = (void *)&pos[1];
 			}
 			break;
 		default:
@@ -2702,6 +2713,27 @@ u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
 	return pos;
 }
 
+u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata, u8 iftype)
+{
+	const struct ieee80211_sta_he_cap *he_cap;
+	struct ieee80211_supported_band *sband;
+	u8 n;
+
+	sband = ieee80211_get_sband(sdata);
+	if (!sband)
+		return 0;
+
+	he_cap = ieee80211_get_he_iftype_cap(sband, iftype);
+	if (!he_cap)
+		return 0;
+
+	n = ieee80211_he_mcs_nss_size(&he_cap->he_cap_elem);
+	return 2 + 1 +
+	       sizeof(he_cap->he_cap_elem) + n +
+	       ieee80211_he_ppe_size(he_cap->ppe_thres[0],
+				     he_cap->he_cap_elem.phy_cap_info);
+}
+
 u8 *ieee80211_ie_build_he_cap(u8 *pos,
 			      const struct ieee80211_sta_he_cap *he_cap,
 			      u8 *end)
@@ -2891,6 +2923,34 @@ u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
 	return pos + sizeof(struct ieee80211_vht_operation);
 }
 
+u8 *ieee80211_ie_build_he_oper(u8 *pos)
+{
+	struct ieee80211_he_operation *he_oper;
+	u32 he_oper_params;
+
+	*pos++ = WLAN_EID_EXTENSION;
+	*pos++ = 1 + sizeof(struct ieee80211_he_operation);
+	*pos++ = WLAN_EID_EXT_HE_OPERATION;
+
+	he_oper_params = 0;
+	he_oper_params |= u32_encode_bits(1023, /* disabled */
+				IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
+	he_oper_params |= u32_encode_bits(1,
+				IEEE80211_HE_OPERATION_ER_SU_DISABLE);
+	he_oper_params |= u32_encode_bits(1,
+				IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED);
+
+	he_oper = (struct ieee80211_he_operation *)pos;
+	he_oper->he_oper_params = cpu_to_le32(he_oper_params);
+
+	/* don't require special HE peer rates */
+	he_oper->he_mcs_nss_set = cpu_to_le16(0xffff);
+
+	/* TODO add VHT operational and 6GHz operational subelement? */
+
+	return pos + sizeof(struct ieee80211_vht_operation);
+}
+
 bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper,
 			       struct cfg80211_chan_def *chandef)
 {
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index ee72779729e5..91bf32af55e9 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -946,7 +946,8 @@ ieee80211_crypto_aes_cmac_encrypt(struct ieee80211_tx_data *tx)
 
 	info = IEEE80211_SKB_CB(skb);
 
-	if (info->control.hw_key)
+	if (info->control.hw_key &&
+	    !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIE))
 		return TX_CONTINUE;
 
 	if (WARN_ON(skb_tailroom(skb) < sizeof(*mmie)))
@@ -962,6 +963,9 @@ ieee80211_crypto_aes_cmac_encrypt(struct ieee80211_tx_data *tx)
 
 	bip_ipn_set64(mmie->sequence_number, pn64);
 
+	if (info->control.hw_key)
+		return TX_CONTINUE;
+
 	bip_aad(skb, aad);
 
 	/*
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index 67f8360dfcee..63cf7131f601 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -217,6 +217,8 @@ config LIB80211_CRYPT_WEP
 
 config LIB80211_CRYPT_CCMP
 	tristate
+	select CRYPTO_AES
+	select CRYPTO_CCM
 
 config LIB80211_CRYPT_TKIP
 	tristate
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 45d9afcff6d5..742986c73490 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -142,12 +142,10 @@ int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
 	if (result)
 		return result;
 
-	if (rdev->wiphy.debugfsdir &&
-	    !debugfs_rename(rdev->wiphy.debugfsdir->d_parent,
-			    rdev->wiphy.debugfsdir,
-			    rdev->wiphy.debugfsdir->d_parent,
-			    newname))
-		pr_err("failed to rename debugfs dir to %s!\n", newname);
+	if (rdev->wiphy.debugfsdir)
+		debugfs_rename(rdev->wiphy.debugfsdir->d_parent,
+			       rdev->wiphy.debugfsdir,
+			       rdev->wiphy.debugfsdir->d_parent, newname);
 
 	nl80211_notify_wiphy(rdev, NL80211_CMD_NEW_WIPHY);
 
@@ -899,11 +897,8 @@ int wiphy_register(struct wiphy *wiphy)
 	cfg80211_rdev_list_generation++;
 
 	/* add to debugfs */
-	rdev->wiphy.debugfsdir =
-		debugfs_create_dir(wiphy_name(&rdev->wiphy),
-				   ieee80211_debugfs_dir);
-	if (IS_ERR(rdev->wiphy.debugfsdir))
-		rdev->wiphy.debugfsdir = NULL;
+	rdev->wiphy.debugfsdir = debugfs_create_dir(wiphy_name(&rdev->wiphy),
+						    ieee80211_debugfs_dir);
 
 	cfg80211_debugfs_rdev_add(rdev);
 	nl80211_notify_wiphy(rdev, NL80211_CMD_NEW_WIPHY);
diff --git a/net/wireless/core.h b/net/wireless/core.h
index ee8388fe4a92..77556c58d9ac 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -306,6 +306,8 @@ void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
 void cfg80211_bss_expire(struct cfg80211_registered_device *rdev);
 void cfg80211_bss_age(struct cfg80211_registered_device *rdev,
                       unsigned long age_secs);
+void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
+				     struct ieee80211_channel *channel);
 
 /* IBSS */
 int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
diff --git a/net/wireless/lib80211_crypt_ccmp.c b/net/wireless/lib80211_crypt_ccmp.c
index 7e8ff9d7dcfa..6a5f08f7491e 100644
--- a/net/wireless/lib80211_crypt_ccmp.c
+++ b/net/wireless/lib80211_crypt_ccmp.c
@@ -22,6 +22,7 @@
 #include <linux/ieee80211.h>
 
 #include <linux/crypto.h>
+#include <crypto/aead.h>
 
 #include <net/lib80211.h>
 
@@ -48,20 +49,13 @@ struct lib80211_ccmp_data {
 
 	int key_idx;
 
-	struct crypto_cipher *tfm;
+	struct crypto_aead *tfm;
 
 	/* scratch buffers for virt_to_page() (crypto API) */
-	u8 tx_b0[AES_BLOCK_LEN], tx_b[AES_BLOCK_LEN],
-	    tx_e[AES_BLOCK_LEN], tx_s0[AES_BLOCK_LEN];
-	u8 rx_b0[AES_BLOCK_LEN], rx_b[AES_BLOCK_LEN], rx_a[AES_BLOCK_LEN];
+	u8 tx_aad[2 * AES_BLOCK_LEN];
+	u8 rx_aad[2 * AES_BLOCK_LEN];
 };
 
-static inline void lib80211_ccmp_aes_encrypt(struct crypto_cipher *tfm,
-					      const u8 pt[16], u8 ct[16])
-{
-	crypto_cipher_encrypt_one(tfm, ct, pt);
-}
-
 static void *lib80211_ccmp_init(int key_idx)
 {
 	struct lib80211_ccmp_data *priv;
@@ -71,7 +65,7 @@ static void *lib80211_ccmp_init(int key_idx)
 		goto fail;
 	priv->key_idx = key_idx;
 
-	priv->tfm = crypto_alloc_cipher("aes", 0, 0);
+	priv->tfm = crypto_alloc_aead("ccm(aes)", 0, CRYPTO_ALG_ASYNC);
 	if (IS_ERR(priv->tfm)) {
 		priv->tfm = NULL;
 		goto fail;
@@ -82,7 +76,7 @@ static void *lib80211_ccmp_init(int key_idx)
       fail:
 	if (priv) {
 		if (priv->tfm)
-			crypto_free_cipher(priv->tfm);
+			crypto_free_aead(priv->tfm);
 		kfree(priv);
 	}
 
@@ -93,25 +87,16 @@ static void lib80211_ccmp_deinit(void *priv)
 {
 	struct lib80211_ccmp_data *_priv = priv;
 	if (_priv && _priv->tfm)
-		crypto_free_cipher(_priv->tfm);
+		crypto_free_aead(_priv->tfm);
 	kfree(priv);
 }
 
-static inline void xor_block(u8 * b, u8 * a, size_t len)
-{
-	int i;
-	for (i = 0; i < len; i++)
-		b[i] ^= a[i];
-}
-
-static void ccmp_init_blocks(struct crypto_cipher *tfm,
-			     struct ieee80211_hdr *hdr,
-			     u8 * pn, size_t dlen, u8 * b0, u8 * auth, u8 * s0)
+static int ccmp_init_iv_and_aad(const struct ieee80211_hdr *hdr,
+				const u8 *pn, u8 *iv, u8 *aad)
 {
 	u8 *pos, qc = 0;
 	size_t aad_len;
 	int a4_included, qc_included;
-	u8 aad[2 * AES_BLOCK_LEN];
 
 	a4_included = ieee80211_has_a4(hdr->frame_control);
 	qc_included = ieee80211_is_data_qos(hdr->frame_control);
@@ -127,17 +112,19 @@ static void ccmp_init_blocks(struct crypto_cipher *tfm,
 		aad_len += 2;
 	}
 
-	/* CCM Initial Block:
-	 * Flag (Include authentication header, M=3 (8-octet MIC),
-	 *       L=1 (2-octet Dlen))
-	 * Nonce: 0x00 | A2 | PN
-	 * Dlen */
-	b0[0] = 0x59;
-	b0[1] = qc;
-	memcpy(b0 + 2, hdr->addr2, ETH_ALEN);
-	memcpy(b0 + 8, pn, CCMP_PN_LEN);
-	b0[14] = (dlen >> 8) & 0xff;
-	b0[15] = dlen & 0xff;
+	/* In CCM, the initial vectors (IV) used for CTR mode encryption and CBC
+	 * mode authentication are not allowed to collide, yet both are derived
+	 * from the same vector. We only set L := 1 here to indicate that the
+	 * data size can be represented in (L+1) bytes. The CCM layer will take
+	 * care of storing the data length in the top (L+1) bytes and setting
+	 * and clearing the other bits as is required to derive the two IVs.
+	 */
+	iv[0] = 0x1;
+
+	/* Nonce: QC | A2 | PN */
+	iv[1] = qc;
+	memcpy(iv + 2, hdr->addr2, ETH_ALEN);
+	memcpy(iv + 8, pn, CCMP_PN_LEN);
 
 	/* AAD:
 	 * FC with bits 4..6 and 11..13 masked to zero; 14 is always one
@@ -147,31 +134,20 @@ static void ccmp_init_blocks(struct crypto_cipher *tfm,
 	 * QC (if present)
 	 */
 	pos = (u8 *) hdr;
-	aad[0] = 0;		/* aad_len >> 8 */
-	aad[1] = aad_len & 0xff;
-	aad[2] = pos[0] & 0x8f;
-	aad[3] = pos[1] & 0xc7;
-	memcpy(aad + 4, hdr->addr1, 3 * ETH_ALEN);
+	aad[0] = pos[0] & 0x8f;
+	aad[1] = pos[1] & 0xc7;
+	memcpy(aad + 2, hdr->addr1, 3 * ETH_ALEN);
 	pos = (u8 *) & hdr->seq_ctrl;
-	aad[22] = pos[0] & 0x0f;
-	aad[23] = 0;		/* all bits masked */
-	memset(aad + 24, 0, 8);
+	aad[20] = pos[0] & 0x0f;
+	aad[21] = 0;		/* all bits masked */
+	memset(aad + 22, 0, 8);
 	if (a4_included)
-		memcpy(aad + 24, hdr->addr4, ETH_ALEN);
+		memcpy(aad + 22, hdr->addr4, ETH_ALEN);
 	if (qc_included) {
-		aad[a4_included ? 30 : 24] = qc;
+		aad[a4_included ? 28 : 22] = qc;
 		/* rest of QC masked */
 	}
-
-	/* Start with the first block and AAD */
-	lib80211_ccmp_aes_encrypt(tfm, b0, auth);
-	xor_block(auth, aad, AES_BLOCK_LEN);
-	lib80211_ccmp_aes_encrypt(tfm, auth, auth);
-	xor_block(auth, &aad[AES_BLOCK_LEN], AES_BLOCK_LEN);
-	lib80211_ccmp_aes_encrypt(tfm, auth, auth);
-	b0[0] &= 0x07;
-	b0[14] = b0[15] = 0;
-	lib80211_ccmp_aes_encrypt(tfm, b0, s0);
+	return aad_len;
 }
 
 static int lib80211_ccmp_hdr(struct sk_buff *skb, int hdr_len,
@@ -214,13 +190,13 @@ static int lib80211_ccmp_hdr(struct sk_buff *skb, int hdr_len,
 static int lib80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 {
 	struct lib80211_ccmp_data *key = priv;
-	int data_len, i, blocks, last, len;
-	u8 *pos, *mic;
 	struct ieee80211_hdr *hdr;
-	u8 *b0 = key->tx_b0;
-	u8 *b = key->tx_b;
-	u8 *e = key->tx_e;
-	u8 *s0 = key->tx_s0;
+	struct aead_request *req;
+	struct scatterlist sg[2];
+	u8 *aad = key->tx_aad;
+	u8 iv[AES_BLOCK_LEN];
+	int len, data_len, aad_len;
+	int ret;
 
 	if (skb_tailroom(skb) < CCMP_MIC_LEN || skb->len < hdr_len)
 		return -1;
@@ -230,31 +206,28 @@ static int lib80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	if (len < 0)
 		return -1;
 
-	pos = skb->data + hdr_len + CCMP_HDR_LEN;
+	req = aead_request_alloc(key->tfm, GFP_ATOMIC);
+	if (!req)
+		return -ENOMEM;
+
 	hdr = (struct ieee80211_hdr *)skb->data;
-	ccmp_init_blocks(key->tfm, hdr, key->tx_pn, data_len, b0, b, s0);
-
-	blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN);
-	last = data_len % AES_BLOCK_LEN;
-
-	for (i = 1; i <= blocks; i++) {
-		len = (i == blocks && last) ? last : AES_BLOCK_LEN;
-		/* Authentication */
-		xor_block(b, pos, len);
-		lib80211_ccmp_aes_encrypt(key->tfm, b, b);
-		/* Encryption, with counter */
-		b0[14] = (i >> 8) & 0xff;
-		b0[15] = i & 0xff;
-		lib80211_ccmp_aes_encrypt(key->tfm, b0, e);
-		xor_block(pos, e, len);
-		pos += len;
-	}
+	aad_len = ccmp_init_iv_and_aad(hdr, key->tx_pn, iv, aad);
 
-	mic = skb_put(skb, CCMP_MIC_LEN);
-	for (i = 0; i < CCMP_MIC_LEN; i++)
-		mic[i] = b[i] ^ s0[i];
+	skb_put(skb, CCMP_MIC_LEN);
 
-	return 0;
+	sg_init_table(sg, 2);
+	sg_set_buf(&sg[0], aad, aad_len);
+	sg_set_buf(&sg[1], skb->data + hdr_len + CCMP_HDR_LEN,
+		   data_len + CCMP_MIC_LEN);
+
+	aead_request_set_callback(req, 0, NULL, NULL);
+	aead_request_set_ad(req, aad_len);
+	aead_request_set_crypt(req, sg, sg, data_len, iv);
+
+	ret = crypto_aead_encrypt(req);
+	aead_request_free(req);
+
+	return ret;
 }
 
 /*
@@ -283,13 +256,13 @@ static int lib80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	struct lib80211_ccmp_data *key = priv;
 	u8 keyidx, *pos;
 	struct ieee80211_hdr *hdr;
-	u8 *b0 = key->rx_b0;
-	u8 *b = key->rx_b;
-	u8 *a = key->rx_a;
+	struct aead_request *req;
+	struct scatterlist sg[2];
+	u8 *aad = key->rx_aad;
+	u8 iv[AES_BLOCK_LEN];
 	u8 pn[6];
-	int i, blocks, last, len;
-	size_t data_len = skb->len - hdr_len - CCMP_HDR_LEN - CCMP_MIC_LEN;
-	u8 *mic = skb->data + skb->len - CCMP_MIC_LEN;
+	int aad_len, ret;
+	size_t data_len = skb->len - hdr_len - CCMP_HDR_LEN;
 
 	if (skb->len < hdr_len + CCMP_HDR_LEN + CCMP_MIC_LEN) {
 		key->dot11RSNAStatsCCMPFormatErrors++;
@@ -337,28 +310,26 @@ static int lib80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 		return -4;
 	}
 
-	ccmp_init_blocks(key->tfm, hdr, pn, data_len, b0, a, b);
-	xor_block(mic, b, CCMP_MIC_LEN);
-
-	blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN);
-	last = data_len % AES_BLOCK_LEN;
-
-	for (i = 1; i <= blocks; i++) {
-		len = (i == blocks && last) ? last : AES_BLOCK_LEN;
-		/* Decrypt, with counter */
-		b0[14] = (i >> 8) & 0xff;
-		b0[15] = i & 0xff;
-		lib80211_ccmp_aes_encrypt(key->tfm, b0, b);
-		xor_block(pos, b, len);
-		/* Authentication */
-		xor_block(a, pos, len);
-		lib80211_ccmp_aes_encrypt(key->tfm, a, a);
-		pos += len;
-	}
+	req = aead_request_alloc(key->tfm, GFP_ATOMIC);
+	if (!req)
+		return -ENOMEM;
 
-	if (memcmp(mic, a, CCMP_MIC_LEN) != 0) {
-		net_dbg_ratelimited("CCMP: decrypt failed: STA=%pM\n",
-				    hdr->addr2);
+	aad_len = ccmp_init_iv_and_aad(hdr, pn, iv, aad);
+
+	sg_init_table(sg, 2);
+	sg_set_buf(&sg[0], aad, aad_len);
+	sg_set_buf(&sg[1], pos, data_len);
+
+	aead_request_set_callback(req, 0, NULL, NULL);
+	aead_request_set_ad(req, aad_len);
+	aead_request_set_crypt(req, sg, sg, data_len, iv);
+
+	ret = crypto_aead_decrypt(req);
+	aead_request_free(req);
+
+	if (ret) {
+		net_dbg_ratelimited("CCMP: decrypt failed: STA=%pM (%d)\n",
+				    hdr->addr2, ret);
 		key->dot11RSNAStatsCCMPDecryptErrors++;
 		return -5;
 	}
@@ -377,7 +348,7 @@ static int lib80211_ccmp_set_key(void *key, int len, u8 * seq, void *priv)
 {
 	struct lib80211_ccmp_data *data = priv;
 	int keyidx;
-	struct crypto_cipher *tfm = data->tfm;
+	struct crypto_aead *tfm = data->tfm;
 
 	keyidx = data->key_idx;
 	memset(data, 0, sizeof(*data));
@@ -394,7 +365,9 @@ static int lib80211_ccmp_set_key(void *key, int len, u8 * seq, void *priv)
 			data->rx_pn[4] = seq[1];
 			data->rx_pn[5] = seq[0];
 		}
-		crypto_cipher_setkey(data->tfm, data->key, CCMP_TK_LEN);
+		if (crypto_aead_setauthsize(data->tfm, CCMP_MIC_LEN) ||
+		    crypto_aead_setkey(data->tfm, data->key, CCMP_TK_LEN))
+			return -1;
 	} else if (len == 0)
 		data->key_set = 0;
 	else
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index fc83dd179c1a..1a107f29016b 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -281,7 +281,16 @@ nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = {
 		NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy),
 };
 
+static const struct nla_policy
+he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
+	[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] =
+		NLA_POLICY_RANGE(NLA_U8, 1, 20),
+	[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
+		NLA_POLICY_RANGE(NLA_U8, 1, 20),
+};
+
 const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
+	[0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
 	[NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
 	[NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
 				      .len = 20-1 },
@@ -574,6 +583,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
 	[NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY,
 					.len = SAE_PASSWORD_MAX_LEN },
 	[NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG },
+	[NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy),
 };
 
 /* policy for the key attributes */
@@ -749,17 +759,25 @@ int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
 	int err;
 
 	if (!cb->args[0]) {
+		struct nlattr **attrbuf;
+
+		attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
+				  GFP_KERNEL);
+		if (!attrbuf)
+			return -ENOMEM;
+
 		err = nlmsg_parse_deprecated(cb->nlh,
 					     GENL_HDRLEN + nl80211_fam.hdrsize,
-					     genl_family_attrbuf(&nl80211_fam),
-					     nl80211_fam.maxattr,
+					     attrbuf, nl80211_fam.maxattr,
 					     nl80211_policy, NULL);
-		if (err)
+		if (err) {
+			kfree(attrbuf);
 			return err;
+		}
 
-		*wdev = __cfg80211_wdev_from_attrs(
-					sock_net(cb->skb->sk),
-					genl_family_attrbuf(&nl80211_fam));
+		*wdev = __cfg80211_wdev_from_attrs(sock_net(cb->skb->sk),
+						   attrbuf);
+		kfree(attrbuf);
 		if (IS_ERR(*wdev))
 			return PTR_ERR(*wdev);
 		*rdev = wiphy_to_rdev((*wdev)->wiphy);
@@ -2172,6 +2190,30 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
 			    rdev->wiphy.vht_capa_mod_mask))
 			goto nla_put_failure;
 
+		if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
+			    rdev->wiphy.perm_addr))
+			goto nla_put_failure;
+
+		if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
+		    nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
+			    rdev->wiphy.addr_mask))
+			goto nla_put_failure;
+
+		if (rdev->wiphy.n_addresses > 1) {
+			void *attr;
+
+			attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
+			if (!attr)
+				goto nla_put_failure;
+
+			for (i = 0; i < rdev->wiphy.n_addresses; i++)
+				if (nla_put(msg, i + 1, ETH_ALEN,
+					    rdev->wiphy.addresses[i].addr))
+					goto nla_put_failure;
+
+			nla_nest_end(msg, attr);
+		}
+
 		state->split_start++;
 		break;
 	case 10:
@@ -2366,14 +2408,21 @@ static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
 				    struct netlink_callback *cb,
 				    struct nl80211_dump_wiphy_state *state)
 {
-	struct nlattr **tb = genl_family_attrbuf(&nl80211_fam);
-	int ret = nlmsg_parse_deprecated(cb->nlh,
-					 GENL_HDRLEN + nl80211_fam.hdrsize,
-					 tb, nl80211_fam.maxattr,
-					 nl80211_policy, NULL);
+	struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL);
+	int ret;
+
+	if (!tb)
+		return -ENOMEM;
+
+	ret = nlmsg_parse_deprecated(cb->nlh,
+				     GENL_HDRLEN + nl80211_fam.hdrsize,
+				     tb, nl80211_fam.maxattr,
+				     nl80211_policy, NULL);
 	/* ignore parse errors for backward compatibility */
-	if (ret)
-		return 0;
+	if (ret) {
+		ret = 0;
+		goto out;
+	}
 
 	state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
 	if (tb[NL80211_ATTR_WIPHY])
@@ -2386,8 +2435,10 @@ static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
 		int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
 
 		netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
-		if (!netdev)
-			return -ENODEV;
+		if (!netdev) {
+			ret = -ENODEV;
+			goto out;
+		}
 		if (netdev->ieee80211_ptr) {
 			rdev = wiphy_to_rdev(
 				netdev->ieee80211_ptr->wiphy);
@@ -2395,7 +2446,10 @@ static int nl80211_dump_wiphy_parse(struct sk_buff *skb,
 		}
 	}
 
-	return 0;
+	ret = 0;
+out:
+	kfree(tb);
+	return ret;
 }
 
 static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
@@ -4361,6 +4415,34 @@ static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
 	return 0;
 }
 
+static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
+				    struct ieee80211_he_obss_pd *he_obss_pd)
+{
+	struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1];
+	int err;
+
+	err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs,
+			       he_obss_pd_policy, NULL);
+	if (err)
+		return err;
+
+	if (!tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] ||
+	    !tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
+		return -EINVAL;
+
+	he_obss_pd->min_offset =
+		nla_get_u32(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
+	he_obss_pd->max_offset =
+		nla_get_u32(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
+
+	if (he_obss_pd->min_offset >= he_obss_pd->max_offset)
+		return -EINVAL;
+
+	he_obss_pd->enable = true;
+
+	return 0;
+}
+
 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
 					    const u8 *rates)
 {
@@ -4645,6 +4727,14 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
 	params.twt_responder =
 		    nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
 
+	if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
+		err = nl80211_parse_he_obss_pd(
+					info->attrs[NL80211_ATTR_HE_OBSS_PD],
+					&params.he_obss_pd);
+		if (err)
+			return err;
+	}
+
 	nl80211_calculate_ap_params(&params);
 
 	if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
@@ -8700,7 +8790,7 @@ static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq,
 
 static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
 {
-	struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
+	struct nlattr **attrbuf;
 	struct survey_info survey;
 	struct cfg80211_registered_device *rdev;
 	struct wireless_dev *wdev;
@@ -8708,6 +8798,10 @@ static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
 	int res;
 	bool radio_stats;
 
+	attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
+	if (!attrbuf)
+		return -ENOMEM;
+
 	rtnl_lock();
 	res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
 	if (res)
@@ -8752,6 +8846,7 @@ static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
 	cb->args[2] = survey_idx;
 	res = skb->len;
  out_err:
+	kfree(attrbuf);
 	rtnl_unlock();
 	return res;
 }
@@ -9611,6 +9706,7 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
 				 struct netlink_callback *cb)
 {
 	struct cfg80211_registered_device *rdev;
+	struct nlattr **attrbuf = NULL;
 	int err;
 	long phy_idx;
 	void *data = NULL;
@@ -9631,7 +9727,12 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
 			goto out_err;
 		}
 	} else {
-		struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
+		attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf),
+				  GFP_KERNEL);
+		if (!attrbuf) {
+			err = -ENOMEM;
+			goto out_err;
+		}
 
 		err = nlmsg_parse_deprecated(cb->nlh,
 					     GENL_HDRLEN + nl80211_fam.hdrsize,
@@ -9698,6 +9799,7 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
 	/* see above */
 	cb->args[0] = phy_idx + 1;
  out_err:
+	kfree(attrbuf);
 	rtnl_unlock();
 	return err;
 }
@@ -12791,7 +12893,7 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
 				       struct cfg80211_registered_device **rdev,
 				       struct wireless_dev **wdev)
 {
-	struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam);
+	struct nlattr **attrbuf;
 	u32 vid, subcmd;
 	unsigned int i;
 	int vcmd_idx = -1;
@@ -12822,24 +12924,32 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
 		return 0;
 	}
 
+	attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
+	if (!attrbuf)
+		return -ENOMEM;
+
 	err = nlmsg_parse_deprecated(cb->nlh,
 				     GENL_HDRLEN + nl80211_fam.hdrsize,
 				     attrbuf, nl80211_fam.maxattr,
 				     nl80211_policy, NULL);
 	if (err)
-		return err;
+		goto out;
 
 	if (!attrbuf[NL80211_ATTR_VENDOR_ID] ||
-	    !attrbuf[NL80211_ATTR_VENDOR_SUBCMD])
-		return -EINVAL;
+	    !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) {
+		err = -EINVAL;
+		goto out;
+	}
 
 	*wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
 	if (IS_ERR(*wdev))
 		*wdev = NULL;
 
 	*rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf);
-	if (IS_ERR(*rdev))
-		return PTR_ERR(*rdev);
+	if (IS_ERR(*rdev)) {
+		err = PTR_ERR(*rdev);
+		goto out;
+	}
 
 	vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]);
 	subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]);
@@ -12852,15 +12962,19 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
 		if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd)
 			continue;
 
-		if (!vcmd->dumpit)
-			return -EOPNOTSUPP;
+		if (!vcmd->dumpit) {
+			err = -EOPNOTSUPP;
+			goto out;
+		}
 
 		vcmd_idx = i;
 		break;
 	}
 
-	if (vcmd_idx < 0)
-		return -EOPNOTSUPP;
+	if (vcmd_idx < 0) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
 
 	if (attrbuf[NL80211_ATTR_VENDOR_DATA]) {
 		data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]);
@@ -12871,7 +12985,7 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
 				attrbuf[NL80211_ATTR_VENDOR_DATA],
 				cb->extack);
 		if (err)
-			return err;
+			goto out;
 	}
 
 	/* 0 is the first index - add 1 to parse only once */
@@ -12883,7 +12997,10 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb,
 	cb->args[4] = data_len;
 
 	/* keep rtnl locked in successful case */
-	return 0;
+	err = 0;
+out:
+	kfree(attrbuf);
+	return err;
 }
 
 static int nl80211_vendor_cmd_dump(struct sk_buff *skb,
@@ -14561,6 +14678,7 @@ static struct genl_family nl80211_fam __ro_after_init = {
 	.n_ops = ARRAY_SIZE(nl80211_ops),
 	.mcgrps = nl80211_mcgrps,
 	.n_mcgrps = ARRAY_SIZE(nl80211_mcgrps),
+	.parallel_ops = true,
 };
 
 /* notification functions */
@@ -16092,7 +16210,9 @@ void cfg80211_ch_switch_notify(struct net_device *dev,
 
 	if (wdev->iftype == NL80211_IFTYPE_STATION &&
 	    !WARN_ON(!wdev->current_bss))
-		wdev->current_bss->pub.channel = chandef->chan;
+		cfg80211_update_assoc_bss_entry(wdev, chandef->chan);
+
+	cfg80211_sched_dfs_chan_update(rdev);
 
 	nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
 				 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index d66e6d4b7555..d313c9befa23 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -1091,6 +1091,93 @@ struct cfg80211_non_tx_bss {
 	u8 bssid_index;
 };
 
+static bool
+cfg80211_update_known_bss(struct cfg80211_registered_device *rdev,
+			  struct cfg80211_internal_bss *known,
+			  struct cfg80211_internal_bss *new,
+			  bool signal_valid)
+{
+	lockdep_assert_held(&rdev->bss_lock);
+
+	/* Update IEs */
+	if (rcu_access_pointer(new->pub.proberesp_ies)) {
+		const struct cfg80211_bss_ies *old;
+
+		old = rcu_access_pointer(known->pub.proberesp_ies);
+
+		rcu_assign_pointer(known->pub.proberesp_ies,
+				   new->pub.proberesp_ies);
+		/* Override possible earlier Beacon frame IEs */
+		rcu_assign_pointer(known->pub.ies,
+				   new->pub.proberesp_ies);
+		if (old)
+			kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head);
+	} else if (rcu_access_pointer(new->pub.beacon_ies)) {
+		const struct cfg80211_bss_ies *old;
+		struct cfg80211_internal_bss *bss;
+
+		if (known->pub.hidden_beacon_bss &&
+		    !list_empty(&known->hidden_list)) {
+			const struct cfg80211_bss_ies *f;
+
+			/* The known BSS struct is one of the probe
+			 * response members of a group, but we're
+			 * receiving a beacon (beacon_ies in the new
+			 * bss is used). This can only mean that the
+			 * AP changed its beacon from not having an
+			 * SSID to showing it, which is confusing so
+			 * drop this information.
+			 */
+
+			f = rcu_access_pointer(new->pub.beacon_ies);
+			kfree_rcu((struct cfg80211_bss_ies *)f, rcu_head);
+			return false;
+		}
+
+		old = rcu_access_pointer(known->pub.beacon_ies);
+
+		rcu_assign_pointer(known->pub.beacon_ies, new->pub.beacon_ies);
+
+		/* Override IEs if they were from a beacon before */
+		if (old == rcu_access_pointer(known->pub.ies))
+			rcu_assign_pointer(known->pub.ies, new->pub.beacon_ies);
+
+		/* Assign beacon IEs to all sub entries */
+		list_for_each_entry(bss, &known->hidden_list, hidden_list) {
+			const struct cfg80211_bss_ies *ies;
+
+			ies = rcu_access_pointer(bss->pub.beacon_ies);
+			WARN_ON(ies != old);
+
+			rcu_assign_pointer(bss->pub.beacon_ies,
+					   new->pub.beacon_ies);
+		}
+
+		if (old)
+			kfree_rcu((struct cfg80211_bss_ies *)old, rcu_head);
+	}
+
+	known->pub.beacon_interval = new->pub.beacon_interval;
+
+	/* don't update the signal if beacon was heard on
+	 * adjacent channel.
+	 */
+	if (signal_valid)
+		known->pub.signal = new->pub.signal;
+	known->pub.capability = new->pub.capability;
+	known->ts = new->ts;
+	known->ts_boottime = new->ts_boottime;
+	known->parent_tsf = new->parent_tsf;
+	known->pub.chains = new->pub.chains;
+	memcpy(known->pub.chain_signal, new->pub.chain_signal,
+	       IEEE80211_MAX_CHAINS);
+	ether_addr_copy(known->parent_bssid, new->parent_bssid);
+	known->pub.max_bssid_indicator = new->pub.max_bssid_indicator;
+	known->pub.bssid_index = new->pub.bssid_index;
+
+	return true;
+}
+
 /* Returned bss is reference counted and must be cleaned up appropriately. */
 struct cfg80211_internal_bss *
 cfg80211_bss_update(struct cfg80211_registered_device *rdev,
@@ -1114,88 +1201,8 @@ cfg80211_bss_update(struct cfg80211_registered_device *rdev,
 	found = rb_find_bss(rdev, tmp, BSS_CMP_REGULAR);
 
 	if (found) {
-		/* Update IEs */
-		if (rcu_access_pointer(tmp->pub.proberesp_ies)) {
-			const struct cfg80211_bss_ies *old;
-
-			old = rcu_access_pointer(found->pub.proberesp_ies);
-
-			rcu_assign_pointer(found->pub.proberesp_ies,
-					   tmp->pub.proberesp_ies);
-			/* Override possible earlier Beacon frame IEs */
-			rcu_assign_pointer(found->pub.ies,
-					   tmp->pub.proberesp_ies);
-			if (old)
-				kfree_rcu((struct cfg80211_bss_ies *)old,
-					  rcu_head);
-		} else if (rcu_access_pointer(tmp->pub.beacon_ies)) {
-			const struct cfg80211_bss_ies *old;
-			struct cfg80211_internal_bss *bss;
-
-			if (found->pub.hidden_beacon_bss &&
-			    !list_empty(&found->hidden_list)) {
-				const struct cfg80211_bss_ies *f;
-
-				/*
-				 * The found BSS struct is one of the probe
-				 * response members of a group, but we're
-				 * receiving a beacon (beacon_ies in the tmp
-				 * bss is used). This can only mean that the
-				 * AP changed its beacon from not having an
-				 * SSID to showing it, which is confusing so
-				 * drop this information.
-				 */
-
-				f = rcu_access_pointer(tmp->pub.beacon_ies);
-				kfree_rcu((struct cfg80211_bss_ies *)f,
-					  rcu_head);
-				goto drop;
-			}
-
-			old = rcu_access_pointer(found->pub.beacon_ies);
-
-			rcu_assign_pointer(found->pub.beacon_ies,
-					   tmp->pub.beacon_ies);
-
-			/* Override IEs if they were from a beacon before */
-			if (old == rcu_access_pointer(found->pub.ies))
-				rcu_assign_pointer(found->pub.ies,
-						   tmp->pub.beacon_ies);
-
-			/* Assign beacon IEs to all sub entries */
-			list_for_each_entry(bss, &found->hidden_list,
-					    hidden_list) {
-				const struct cfg80211_bss_ies *ies;
-
-				ies = rcu_access_pointer(bss->pub.beacon_ies);
-				WARN_ON(ies != old);
-
-				rcu_assign_pointer(bss->pub.beacon_ies,
-						   tmp->pub.beacon_ies);
-			}
-
-			if (old)
-				kfree_rcu((struct cfg80211_bss_ies *)old,
-					  rcu_head);
-		}
-
-		found->pub.beacon_interval = tmp->pub.beacon_interval;
-		/*
-		 * don't update the signal if beacon was heard on
-		 * adjacent channel.
-		 */
-		if (signal_valid)
-			found->pub.signal = tmp->pub.signal;
-		found->pub.capability = tmp->pub.capability;
-		found->ts = tmp->ts;
-		found->ts_boottime = tmp->ts_boottime;
-		found->parent_tsf = tmp->parent_tsf;
-		found->pub.chains = tmp->pub.chains;
-		memcpy(found->pub.chain_signal, tmp->pub.chain_signal,
-		       IEEE80211_MAX_CHAINS);
-		ether_addr_copy(found->parent_bssid, tmp->parent_bssid);
-		found->pub.max_bssid_indicator = tmp->pub.max_bssid_indicator;
-		found->pub.bssid_index = tmp->pub.bssid_index;
+		if (!cfg80211_update_known_bss(rdev, found, tmp, signal_valid))
+			goto drop;
 	} else {
 		struct cfg80211_internal_bss *new;
 		struct cfg80211_internal_bss *hidden;
@@ -1368,6 +1375,7 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy,
 	struct cfg80211_internal_bss tmp = {}, *res;
 	int bss_type;
 	bool signal_valid;
+	unsigned long ts;
 
 	if (WARN_ON(!wiphy))
 		return NULL;
@@ -1390,8 +1398,11 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy,
 	tmp.ts_boottime = data->boottime_ns;
 	if (non_tx_data) {
 		tmp.pub.transmitted_bss = non_tx_data->tx_bss;
+		ts = bss_from_pub(non_tx_data->tx_bss)->ts;
 		tmp.pub.bssid_index = non_tx_data->bssid_index;
 		tmp.pub.max_bssid_indicator = non_tx_data->max_bssid_indicator;
+	} else {
+		ts = jiffies;
 	}
 
 	/*
@@ -1425,8 +1436,7 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy,
 
 	signal_valid = abs(data->chan->center_freq - channel->center_freq) <=
 		wiphy->max_adj_channel_rssi_comp;
-	res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp, signal_valid,
-				  jiffies);
+	res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp, signal_valid, ts);
 	if (!res)
 		return NULL;
 
@@ -1440,7 +1450,7 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy,
 			regulatory_hint_found_beacon(wiphy, channel, gfp);
 	}
 
-	if (non_tx_data && non_tx_data->tx_bss) {
+	if (non_tx_data) {
 		/* this is a nontransmitting bss, we need to add it to
 		 * transmitting bss' list if it is not there
 		 */
@@ -1659,6 +1669,8 @@ cfg80211_inform_bss_data(struct wiphy *wiphy,
 	res = cfg80211_inform_single_bss_data(wiphy, data, ftype, bssid, tsf,
 					      capability, beacon_interval, ie,
 					      ielen, NULL, gfp);
+	if (!res)
+		return NULL;
 	non_tx_data.tx_bss = res;
 	cfg80211_parse_mbssid_data(wiphy, data, ftype, bssid, tsf,
 				   beacon_interval, ie, ielen, &non_tx_data,
@@ -1776,7 +1788,6 @@ static struct cfg80211_bss *
 cfg80211_inform_single_bss_frame_data(struct wiphy *wiphy,
 				      struct cfg80211_inform_bss *data,
 				      struct ieee80211_mgmt *mgmt, size_t len,
-				      struct cfg80211_non_tx_bss *non_tx_data,
 				      gfp_t gfp)
 {
 	struct cfg80211_internal_bss tmp = {}, *res;
@@ -1835,11 +1846,6 @@ cfg80211_inform_single_bss_frame_data(struct wiphy *wiphy,
 	tmp.pub.chains = data->chains;
 	memcpy(tmp.pub.chain_signal, data->chain_signal, IEEE80211_MAX_CHAINS);
 	ether_addr_copy(tmp.parent_bssid, data->parent_bssid);
-	if (non_tx_data) {
-		tmp.pub.transmitted_bss = non_tx_data->tx_bss;
-		tmp.pub.bssid_index = non_tx_data->bssid_index;
-		tmp.pub.max_bssid_indicator = non_tx_data->max_bssid_indicator;
-	}
 
 	signal_valid = abs(data->chan->center_freq - channel->center_freq) <=
 		wiphy->max_adj_channel_rssi_comp;
@@ -1877,7 +1883,7 @@ cfg80211_inform_bss_frame_data(struct wiphy *wiphy,
 	struct cfg80211_non_tx_bss non_tx_data;
 
 	res = cfg80211_inform_single_bss_frame_data(wiphy, data, mgmt,
-						    len, NULL, gfp);
+						    len, gfp);
 	if (!res || !wiphy->support_mbssid ||
 	    !cfg80211_find_ie(WLAN_EID_MULTIPLE_BSSID, ie, ielen))
 		return res;
@@ -1995,6 +2001,85 @@ void cfg80211_bss_iter(struct wiphy *wiphy,
 }
 EXPORT_SYMBOL(cfg80211_bss_iter);
 
+void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
+				     struct ieee80211_channel *chan)
+{
+	struct wiphy *wiphy = wdev->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
+	struct cfg80211_internal_bss *cbss = wdev->current_bss;
+	struct cfg80211_internal_bss *new = NULL;
+	struct cfg80211_internal_bss *bss;
+	struct cfg80211_bss *nontrans_bss;
+	struct cfg80211_bss *tmp;
+
+	spin_lock_bh(&rdev->bss_lock);
+
+	if (WARN_ON(cbss->pub.channel == chan))
+		goto done;
+
+	/* use transmitting bss */
+	if (cbss->pub.transmitted_bss)
+		cbss = container_of(cbss->pub.transmitted_bss,
+				    struct cfg80211_internal_bss,
+				    pub);
+
+	cbss->pub.channel = chan;
+
+	list_for_each_entry(bss, &rdev->bss_list, list) {
+		if (!cfg80211_bss_type_match(bss->pub.capability,
+					     bss->pub.channel->band,
+					     wdev->conn_bss_type))
+			continue;
+
+		if (bss == cbss)
+			continue;
+
+		if (!cmp_bss(&bss->pub, &cbss->pub, BSS_CMP_REGULAR)) {
+			new = bss;
+			break;
+		}
+	}
+
+	if (new) {
+		/* to save time, update IEs for transmitting bss only */
+		if (cfg80211_update_known_bss(rdev, cbss, new, false)) {
+			new->pub.proberesp_ies = NULL;
+			new->pub.beacon_ies = NULL;
+		}
+
+		list_for_each_entry_safe(nontrans_bss, tmp,
+					 &new->pub.nontrans_list,
+					 nontrans_list) {
+			bss = container_of(nontrans_bss,
+					   struct cfg80211_internal_bss, pub);
+			if (__cfg80211_unlink_bss(rdev, bss))
+				rdev->bss_generation++;
+		}
+
+		WARN_ON(atomic_read(&new->hold));
+		if (!WARN_ON(!__cfg80211_unlink_bss(rdev, new)))
+			rdev->bss_generation++;
+	}
+
+	rb_erase(&cbss->rbn, &rdev->bss_tree);
+	rb_insert_bss(rdev, cbss);
+	rdev->bss_generation++;
+
+	list_for_each_entry_safe(nontrans_bss, tmp,
+				 &cbss->pub.nontrans_list,
+				 nontrans_list) {
+		bss = container_of(nontrans_bss,
+				   struct cfg80211_internal_bss, pub);
+		bss->pub.channel = chan;
+		rb_erase(&bss->rbn, &rdev->bss_tree);
+		rb_insert_bss(rdev, bss);
+		rdev->bss_generation++;
+	}
+
+done:
+	spin_unlock_bh(&rdev->bss_lock);
+}
+
 #ifdef CONFIG_CFG80211_WEXT
 static struct cfg80211_registered_device *
 cfg80211_get_dev_from_ifindex(struct net *net, int ifindex)