1 files changed, 258 insertions, 206 deletions

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 1e26b5235add..53826c663723 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -6,7 +6,7 @@
  * Copyright 2007	Johannes Berg <johannes@sipsolutions.net>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright (C) 2015-2017	Intel Deutschland GmbH
- * Copyright (C) 2018-2021 Intel Corporation
+ * Copyright (C) 2018-2022 Intel Corporation
  *
  * utilities for mac80211
  */
@@ -191,7 +191,7 @@ __le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw,
 	if (vif) {
 		sdata = vif_to_sdata(vif);
 		short_preamble = sdata->vif.bss_conf.use_short_preamble;
-		if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
+		if (sdata->deflink.operating_11g_mode)
 			erp = rate->flags & IEEE80211_RATE_ERP_G;
 		shift = ieee80211_vif_get_shift(vif);
 	}
@@ -225,7 +225,7 @@ __le16 ieee80211_rts_duration(struct ieee80211_hw *hw,
 	if (vif) {
 		sdata = vif_to_sdata(vif);
 		short_preamble = sdata->vif.bss_conf.use_short_preamble;
-		if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
+		if (sdata->deflink.operating_11g_mode)
 			erp = rate->flags & IEEE80211_RATE_ERP_G;
 		shift = ieee80211_vif_get_shift(vif);
 	}
@@ -268,7 +268,7 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
 	if (vif) {
 		sdata = vif_to_sdata(vif);
 		short_preamble = sdata->vif.bss_conf.use_short_preamble;
-		if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
+		if (sdata->deflink.operating_11g_mode)
 			erp = rate->flags & IEEE80211_RATE_ERP_G;
 		shift = ieee80211_vif_get_shift(vif);
 	}
@@ -301,6 +301,9 @@ static void __ieee80211_wake_txqs(struct ieee80211_sub_if_data *sdata, int ac)
 	local_bh_disable();
 	spin_lock(&fq->lock);
 
+	if (!test_bit(SDATA_STATE_RUNNING, &sdata->state))
+		goto out;
+
 	if (sdata->vif.type == NL80211_IFTYPE_AP)
 		ps = &sdata->bss->ps;
 
@@ -1019,23 +1022,27 @@ static void ieee80211_parse_extension_element(u32 *crc,
 		if (ieee80211_eht_oper_size_ok(data, len))
 			elems->eht_operation = data;
 		break;
+	case WLAN_EID_EXT_EHT_MULTI_LINK:
+		if (ieee80211_mle_size_ok(data, len))
+			elems->multi_link = (void *)data;
+		break;
 	}
 }
 
 static u32
-_ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
-			    struct ieee802_11_elems *elems,
-			    u64 filter, u32 crc,
-			    const struct element *check_inherit)
+_ieee802_11_parse_elems_full(struct ieee80211_elems_parse_params *params,
+			     struct ieee802_11_elems *elems,
+			     const struct element *check_inherit)
 {
 	const struct element *elem;
-	bool calc_crc = filter != 0;
+	bool calc_crc = params->filter != 0;
 	DECLARE_BITMAP(seen_elems, 256);
+	u32 crc = params->crc;
 	const u8 *ie;
 
 	bitmap_zero(seen_elems, 256);
 
-	for_each_element(elem, start, len) {
+	for_each_element(elem, params->start, params->len) {
 		bool elem_parse_failed;
 		u8 id = elem->id;
 		u8 elen = elem->datalen;
@@ -1098,7 +1105,7 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
 			break;
 		}
 
-		if (calc_crc && id < 64 && (filter & (1ULL << id)))
+		if (calc_crc && id < 64 && (params->filter & (1ULL << id)))
 			crc = crc32_be(crc, pos - 2, elen + 2);
 
 		elem_parse_failed = false;
@@ -1279,7 +1286,7 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
 			elems->mesh_chansw_params_ie = (void *)pos;
 			break;
 		case WLAN_EID_WIDE_BW_CHANNEL_SWITCH:
-			if (!action ||
+			if (!params->action ||
 			    elen < sizeof(*elems->wide_bw_chansw_ie)) {
 				elem_parse_failed = true;
 				break;
@@ -1287,7 +1294,7 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
 			elems->wide_bw_chansw_ie = (void *)pos;
 			break;
 		case WLAN_EID_CHANNEL_SWITCH_WRAPPER:
-			if (action) {
+			if (params->action) {
 				elem_parse_failed = true;
 				break;
 			}
@@ -1414,7 +1421,7 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
 			__set_bit(id, seen_elems);
 	}
 
-	if (!for_each_element_completed(elem, start, len))
+	if (!for_each_element_completed(elem, params->start, params->len))
 		elems->parse_error = true;
 
 	return crc;
@@ -1422,15 +1429,14 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
 
 static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len,
 					    struct ieee802_11_elems *elems,
-					    const u8 *transmitter_bssid,
-					    const u8 *bss_bssid,
+					    struct cfg80211_bss *bss,
 					    u8 *nontransmitted_profile)
 {
 	const struct element *elem, *sub;
 	size_t profile_len = 0;
 	bool found = false;
 
-	if (!bss_bssid || !transmitter_bssid)
+	if (!bss || !bss->transmitted_bss)
 		return profile_len;
 
 	for_each_element_id(elem, WLAN_EID_MULTIPLE_BSSID, start, len) {
@@ -1472,11 +1478,11 @@ static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len,
 				continue;
 			}
 
-			cfg80211_gen_new_bssid(transmitter_bssid,
+			cfg80211_gen_new_bssid(bss->transmitted_bss->bssid,
 					       elem->data[0],
 					       index[2],
 					       new_bssid);
-			if (ether_addr_equal(new_bssid, bss_bssid)) {
+			if (ether_addr_equal(new_bssid, bss->bssid)) {
 				found = true;
 				elems->bssid_index_len = index[1];
 				elems->bssid_index = (void *)&index[2];
@@ -1488,11 +1494,8 @@ static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len,
 	return found ? profile_len : 0;
 }
 
-struct ieee802_11_elems *ieee802_11_parse_elems_crc(const u8 *start, size_t len,
-						    bool action, u64 filter,
-						    u32 crc,
-						    const u8 *transmitter_bssid,
-						    const u8 *bss_bssid)
+struct ieee802_11_elems *
+ieee802_11_parse_elems_full(struct ieee80211_elems_parse_params *params)
 {
 	struct ieee802_11_elems *elems;
 	const struct element *non_inherit = NULL;
@@ -1502,15 +1505,14 @@ struct ieee802_11_elems *ieee802_11_parse_elems_crc(const u8 *start, size_t len,
 	elems = kzalloc(sizeof(*elems), GFP_ATOMIC);
 	if (!elems)
 		return NULL;
-	elems->ie_start = start;
-	elems->total_len = len;
+	elems->ie_start = params->start;
+	elems->total_len = params->len;
 
-	nontransmitted_profile = kmalloc(len, GFP_ATOMIC);
+	nontransmitted_profile = kmalloc(params->len, GFP_ATOMIC);
 	if (nontransmitted_profile) {
 		nontransmitted_profile_len =
-			ieee802_11_find_bssid_profile(start, len, elems,
-						      transmitter_bssid,
-						      bss_bssid,
+			ieee802_11_find_bssid_profile(params->start, params->len,
+						      elems, params->bss,
 						      nontransmitted_profile);
 		non_inherit =
 			cfg80211_find_ext_elem(WLAN_EID_EXT_NON_INHERITANCE,
@@ -1518,14 +1520,19 @@ struct ieee802_11_elems *ieee802_11_parse_elems_crc(const u8 *start, size_t len,
 					       nontransmitted_profile_len);
 	}
 
-	crc = _ieee802_11_parse_elems_crc(start, len, action, elems, filter,
-					  crc, non_inherit);
+	elems->crc = _ieee802_11_parse_elems_full(params, elems, non_inherit);
 
 	/* Override with nontransmitted profile, if found */
-	if (nontransmitted_profile_len)
-		_ieee802_11_parse_elems_crc(nontransmitted_profile,
-					    nontransmitted_profile_len,
-					    action, elems, 0, 0, NULL);
+	if (nontransmitted_profile_len) {
+		struct ieee80211_elems_parse_params sub = {
+			.start = nontransmitted_profile,
+			.len = nontransmitted_profile_len,
+			.action = params->action,
+			.link_id = params->link_id,
+		};
+
+		_ieee802_11_parse_elems_full(&sub, elems, NULL);
+	}
 
 	if (elems->tim && !elems->parse_error) {
 		const struct ieee80211_tim_ie *tim_ie = elems->tim;
@@ -1547,8 +1554,6 @@ struct ieee802_11_elems *ieee802_11_parse_elems_crc(const u8 *start, size_t len,
 
 	kfree(nontransmitted_profile);
 
-	elems->crc = crc;
-
 	return elems;
 }
 
@@ -1566,7 +1571,7 @@ void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata,
 		return;
 
 	rcu_read_lock();
-	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+	chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf);
 	if (chanctx_conf)
 		center_freq = chanctx_conf->def.chan->center_freq;
 
@@ -1593,9 +1598,10 @@ void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata,
 	rcu_read_unlock();
 }
 
-void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
+void ieee80211_set_wmm_default(struct ieee80211_link_data *link,
 			       bool bss_notify, bool enable_qos)
 {
+	struct ieee80211_sub_if_data *sdata = link->sdata;
 	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_tx_queue_params qparam;
 	struct ieee80211_chanctx_conf *chanctx_conf;
@@ -1613,10 +1619,10 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
 	memset(&qparam, 0, sizeof(qparam));
 
 	rcu_read_lock();
-	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+	chanctx_conf = rcu_dereference(link->conf->chanctx_conf);
 	use_11b = (chanctx_conf &&
 		   chanctx_conf->def.chan->band == NL80211_BAND_2GHZ) &&
-		 !(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE);
+		 !link->operating_11g_mode;
 	rcu_read_unlock();
 
 	is_ocb = (sdata->vif.type == NL80211_IFTYPE_OCB);
@@ -1690,17 +1696,17 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
 
 		qparam.uapsd = false;
 
-		sdata->tx_conf[ac] = qparam;
-		drv_conf_tx(local, sdata, ac, &qparam);
+		link->tx_conf[ac] = qparam;
+		drv_conf_tx(local, link, ac, &qparam);
 	}
 
 	if (sdata->vif.type != NL80211_IFTYPE_MONITOR &&
 	    sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE &&
 	    sdata->vif.type != NL80211_IFTYPE_NAN) {
-		sdata->vif.bss_conf.qos = enable_qos;
+		link->conf->qos = enable_qos;
 		if (bss_notify)
-			ieee80211_bss_info_change_notify(sdata,
-							 BSS_CHANGED_QOS);
+			ieee80211_link_info_change_notify(sdata, link,
+							  BSS_CHANGED_QOS);
 	}
 }
 
@@ -1713,11 +1719,28 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
 	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb;
 	struct ieee80211_mgmt *mgmt;
+	bool multi_link = sdata->vif.valid_links;
+	struct {
+		u8 id;
+		u8 len;
+		u8 ext_id;
+		struct ieee80211_multi_link_elem ml;
+		struct ieee80211_mle_basic_common_info basic;
+	} __packed mle = {
+		.id = WLAN_EID_EXTENSION,
+		.len = sizeof(mle) - 2,
+		.ext_id = WLAN_EID_EXT_EHT_MULTI_LINK,
+		.ml.control = cpu_to_le16(IEEE80211_ML_CONTROL_TYPE_BASIC),
+		.basic.len = sizeof(mle.basic),
+	};
 	int err;
 
+	memcpy(mle.basic.mld_mac_addr, sdata->vif.addr, ETH_ALEN);
+
 	/* 24 + 6 = header + auth_algo + auth_transaction + status_code */
 	skb = dev_alloc_skb(local->hw.extra_tx_headroom + IEEE80211_WEP_IV_LEN +
-			    24 + 6 + extra_len + IEEE80211_WEP_ICV_LEN);
+			    24 + 6 + extra_len + IEEE80211_WEP_ICV_LEN +
+			    multi_link * sizeof(mle));
 	if (!skb)
 		return;
 
@@ -1734,6 +1757,8 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
 	mgmt->u.auth.status_code = cpu_to_le16(status);
 	if (extra)
 		skb_put_data(skb, extra, extra_len);
+	if (multi_link)
+		skb_put_data(skb, &mle, sizeof(mle));
 
 	if (auth_alg == WLAN_AUTH_SHARED_KEY && transaction == 3) {
 		mgmt->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
@@ -2255,7 +2280,8 @@ static void ieee80211_handle_reconfig_failure(struct ieee80211_local *local)
 }
 
 static void ieee80211_assign_chanctx(struct ieee80211_local *local,
-				     struct ieee80211_sub_if_data *sdata)
+				     struct ieee80211_sub_if_data *sdata,
+				     struct ieee80211_link_data *link)
 {
 	struct ieee80211_chanctx_conf *conf;
 	struct ieee80211_chanctx *ctx;
@@ -2264,11 +2290,11 @@ static void ieee80211_assign_chanctx(struct ieee80211_local *local,
 		return;
 
 	mutex_lock(&local->chanctx_mtx);
-	conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
+	conf = rcu_dereference_protected(link->conf->chanctx_conf,
 					 lockdep_is_held(&local->chanctx_mtx));
 	if (conf) {
 		ctx = container_of(conf, struct ieee80211_chanctx, conf);
-		drv_assign_vif_chanctx(local, sdata, ctx);
+		drv_assign_vif_chanctx(local, sdata, link->conf, ctx);
 	}
 	mutex_unlock(&local->chanctx_mtx);
 }
@@ -2474,7 +2500,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
 		sdata = wiphy_dereference(local->hw.wiphy,
 					  local->monitor_sdata);
 		if (sdata && ieee80211_sdata_running(sdata))
-			ieee80211_assign_chanctx(local, sdata);
+			ieee80211_assign_chanctx(local, sdata, &sdata->deflink);
 	}
 
 	/* reconfigure hardware */
@@ -2484,19 +2510,30 @@ int ieee80211_reconfig(struct ieee80211_local *local)
 
 	/* Finally also reconfigure all the BSS information */
 	list_for_each_entry(sdata, &local->interfaces, list) {
+		unsigned int link_id;
 		u32 changed;
 
 		if (!ieee80211_sdata_running(sdata))
 			continue;
 
-		ieee80211_assign_chanctx(local, sdata);
+		sdata_lock(sdata);
+		for (link_id = 0;
+		     link_id < ARRAY_SIZE(sdata->vif.link_conf);
+		     link_id++) {
+			struct ieee80211_link_data *link;
+
+			link = sdata_dereference(sdata->link[link_id], sdata);
+			if (link)
+				ieee80211_assign_chanctx(local, sdata, link);
+		}
+		sdata_unlock(sdata);
 
 		switch (sdata->vif.type) {
 		case NL80211_IFTYPE_AP_VLAN:
 		case NL80211_IFTYPE_MONITOR:
 			break;
 		case NL80211_IFTYPE_ADHOC:
-			if (sdata->vif.bss_conf.ibss_joined)
+			if (sdata->vif.cfg.ibss_joined)
 				WARN_ON(drv_join_ibss(local, sdata));
 			fallthrough;
 		default:
@@ -2504,8 +2541,8 @@ int ieee80211_reconfig(struct ieee80211_local *local)
 			fallthrough;
 		case NL80211_IFTYPE_AP: /* AP stations are handled later */
 			for (i = 0; i < IEEE80211_NUM_ACS; i++)
-				drv_conf_tx(local, sdata, i,
-					    &sdata->tx_conf[i]);
+				drv_conf_tx(local, &sdata->deflink, i,
+					    &sdata->deflink.tx_conf[i]);
 			break;
 		}
 
@@ -2523,7 +2560,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
 			  BSS_CHANGED_TXPOWER |
 			  BSS_CHANGED_MCAST_RATE;
 
-		if (sdata->vif.mu_mimo_owner)
+		if (sdata->vif.bss_conf.mu_mimo_owner)
 			changed |= BSS_CHANGED_MU_GROUPS;
 
 		switch (sdata->vif.type) {
@@ -2533,7 +2570,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
 				   BSS_CHANGED_PS;
 
 			/* Re-send beacon info report to the driver */
-			if (sdata->u.mgd.have_beacon)
+			if (sdata->deflink.u.mgd.have_beacon)
 				changed |= BSS_CHANGED_BEACON_INFO;
 
 			if (sdata->vif.bss_conf.max_idle_period ||
@@ -2562,8 +2599,9 @@ int ieee80211_reconfig(struct ieee80211_local *local)
 			if (sdata->vif.type == NL80211_IFTYPE_AP) {
 				changed |= BSS_CHANGED_AP_PROBE_RESP;
 
-				if (rcu_access_pointer(sdata->u.ap.beacon))
-					drv_start_ap(local, sdata);
+				if (rcu_access_pointer(sdata->deflink.u.ap.beacon))
+					drv_start_ap(local, sdata,
+						     sdata->deflink.conf);
 			}
 			fallthrough;
 		case NL80211_IFTYPE_MESH_POINT:
@@ -2798,7 +2836,8 @@ void ieee80211_resume_disconnect(struct ieee80211_vif *vif)
 }
 EXPORT_SYMBOL_GPL(ieee80211_resume_disconnect);
 
-void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata)
+void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata,
+			   struct ieee80211_link_data *link)
 {
 	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_chanctx_conf *chanctx_conf;
@@ -2806,8 +2845,8 @@ void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata)
 
 	mutex_lock(&local->chanctx_mtx);
 
-	chanctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
-					lockdep_is_held(&local->chanctx_mtx));
+	chanctx_conf = rcu_dereference_protected(link->conf->chanctx_conf,
+						 lockdep_is_held(&local->chanctx_mtx));
 
 	/*
 	 * This function can be called from a work, thus it may be possible
@@ -2824,22 +2863,48 @@ void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata)
 	mutex_unlock(&local->chanctx_mtx);
 }
 
-void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata)
+void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata,
+				  int link_id)
 {
 	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_chanctx_conf *chanctx_conf;
 	struct ieee80211_chanctx *chanctx;
+	int i;
 
 	mutex_lock(&local->chanctx_mtx);
 
-	chanctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
-					lockdep_is_held(&local->chanctx_mtx));
+	for (i = 0; i < ARRAY_SIZE(sdata->vif.link_conf); i++) {
+		struct ieee80211_bss_conf *bss_conf;
 
-	if (WARN_ON_ONCE(!chanctx_conf))
-		goto unlock;
+		if (link_id >= 0 && link_id != i)
+			continue;
 
-	chanctx = container_of(chanctx_conf, struct ieee80211_chanctx, conf);
-	ieee80211_recalc_chanctx_min_def(local, chanctx);
+		rcu_read_lock();
+		bss_conf = rcu_dereference(sdata->vif.link_conf[i]);
+		if (!bss_conf) {
+			rcu_read_unlock();
+			continue;
+		}
+
+		chanctx_conf = rcu_dereference_protected(bss_conf->chanctx_conf,
+							 lockdep_is_held(&local->chanctx_mtx));
+		/*
+		 * Since we hold the chanctx_mtx (checked above)
+		 * we can take the chanctx_conf pointer out of the
+		 * RCU critical section, it cannot go away without
+		 * the mutex. Just the way we reached it could - in
+		 * theory - go away, but we don't really care and
+		 * it really shouldn't happen anyway.
+		 */
+		rcu_read_unlock();
+
+		if (WARN_ON_ONCE(!chanctx_conf))
+			goto unlock;
+
+		chanctx = container_of(chanctx_conf, struct ieee80211_chanctx,
+				       conf);
+		ieee80211_recalc_chanctx_min_def(local, chanctx);
+	}
  unlock:
 	mutex_unlock(&local->chanctx_mtx);
 }
@@ -2931,7 +2996,7 @@ u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata, u8 iftype)
 				     he_cap->he_cap_elem.phy_cap_info);
 }
 
-u8 *ieee80211_ie_build_he_cap(u32 disable_flags, u8 *pos,
+u8 *ieee80211_ie_build_he_cap(ieee80211_conn_flags_t disable_flags, u8 *pos,
 			      const struct ieee80211_sta_he_cap *he_cap,
 			      u8 *end)
 {
@@ -2951,16 +3016,16 @@ u8 *ieee80211_ie_build_he_cap(u32 disable_flags, u8 *pos,
 	/* modify on stack first to calculate 'n' and 'ie_len' correctly */
 	elem = he_cap->he_cap_elem;
 
-	if (disable_flags & IEEE80211_STA_DISABLE_40MHZ)
+	if (disable_flags & IEEE80211_CONN_DISABLE_40MHZ)
 		elem.phy_cap_info[0] &=
 			~(IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
 			  IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G);
 
-	if (disable_flags & IEEE80211_STA_DISABLE_160MHZ)
+	if (disable_flags & IEEE80211_CONN_DISABLE_160MHZ)
 		elem.phy_cap_info[0] &=
 			~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
 
-	if (disable_flags & IEEE80211_STA_DISABLE_80P80MHZ)
+	if (disable_flags & IEEE80211_CONN_DISABLE_80P80MHZ)
 		elem.phy_cap_info[0] &=
 			~IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
 
@@ -3041,7 +3106,7 @@ void ieee80211_ie_build_he_6ghz_cap(struct ieee80211_sub_if_data *sdata,
 	cap = le16_to_cpu(iftd->he_6ghz_capa.capa);
 	cap &= ~IEEE80211_HE_6GHZ_CAP_SM_PS;
 
-	switch (sdata->smps_mode) {
+	switch (sdata->deflink.smps_mode) {
 	case IEEE80211_SMPS_AUTOMATIC:
 	case IEEE80211_SMPS_NUM_MODES:
 		WARN_ON(1);
@@ -3442,6 +3507,58 @@ bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info,
 	return true;
 }
 
+void ieee80211_chandef_eht_oper(struct ieee80211_sub_if_data *sdata,
+				const struct ieee80211_eht_operation *eht_oper,
+				bool support_160, bool support_320,
+				struct cfg80211_chan_def *chandef)
+{
+	struct ieee80211_eht_operation_info *info = (void *)eht_oper->optional;
+
+	chandef->center_freq1 =
+		ieee80211_channel_to_frequency(info->ccfs0,
+					       chandef->chan->band);
+
+	switch (u8_get_bits(info->control,
+			    IEEE80211_EHT_OPER_CHAN_WIDTH)) {
+	case IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ:
+		chandef->width = NL80211_CHAN_WIDTH_20;
+		break;
+	case IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ:
+		chandef->width = NL80211_CHAN_WIDTH_40;
+		break;
+	case IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ:
+		chandef->width = NL80211_CHAN_WIDTH_80;
+		break;
+	case IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ:
+		if (support_160) {
+			chandef->width = NL80211_CHAN_WIDTH_160;
+			chandef->center_freq1 =
+				ieee80211_channel_to_frequency(info->ccfs1,
+							       chandef->chan->band);
+		} else {
+			chandef->width = NL80211_CHAN_WIDTH_80;
+		}
+		break;
+	case IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ:
+		if (support_320) {
+			chandef->width = NL80211_CHAN_WIDTH_320;
+			chandef->center_freq1 =
+				ieee80211_channel_to_frequency(info->ccfs1,
+							       chandef->chan->band);
+		} else if (support_160) {
+			chandef->width = NL80211_CHAN_WIDTH_160;
+		} else {
+			chandef->width = NL80211_CHAN_WIDTH_80;
+
+			if (chandef->center_freq1 > chandef->chan->center_freq)
+				chandef->center_freq1 -= 40;
+			else
+				chandef->center_freq1 += 40;
+		}
+		break;
+	}
+}
+
 bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata,
 				    const struct ieee80211_he_operation *he_oper,
 				    const struct ieee80211_eht_operation *eht_oper,
@@ -3522,7 +3639,8 @@ bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata,
 		break;
 	}
 
-	if (!eht_oper) {
+	if (!eht_oper ||
+	    !(eht_oper->params & IEEE80211_EHT_OPER_INFO_PRESENT)) {
 		switch (u8_get_bits(he_6ghz_oper->control,
 				    IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH)) {
 		case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ:
@@ -3566,36 +3684,8 @@ bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata,
 		support_320 =
 			eht_phy_cap & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ;
 
-		switch (u8_get_bits(eht_oper->chan_width,
-				    IEEE80211_EHT_OPER_CHAN_WIDTH)) {
-		case IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ:
-			he_chandef.width = NL80211_CHAN_WIDTH_20;
-			break;
-		case IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ:
-			he_chandef.width = NL80211_CHAN_WIDTH_40;
-			break;
-		case IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ:
-			he_chandef.width = NL80211_CHAN_WIDTH_80;
-			break;
-		case IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ:
-			if (support_160)
-				he_chandef.width = NL80211_CHAN_WIDTH_160;
-			else
-				he_chandef.width = NL80211_CHAN_WIDTH_80;
-			break;
-		case IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ:
-			if (support_320)
-				he_chandef.width = NL80211_CHAN_WIDTH_320;
-			else if (support_160)
-				he_chandef.width = NL80211_CHAN_WIDTH_160;
-			else
-				he_chandef.width = NL80211_CHAN_WIDTH_80;
-			break;
-		}
-
-		he_chandef.center_freq1 =
-			ieee80211_channel_to_frequency(eht_oper->ccfs,
-						       NL80211_BAND_6GHZ);
+		ieee80211_chandef_eht_oper(sdata, eht_oper, support_160,
+					   support_320, &he_chandef);
 	}
 
 	if (!cfg80211_chandef_valid(&he_chandef)) {
@@ -3649,12 +3739,12 @@ bool ieee80211_chandef_s1g_oper(const struct ieee80211_s1g_oper_ie *oper,
 	return true;
 }
 
-int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef,
+int ieee80211_parse_bitrates(enum nl80211_chan_width width,
 			     const struct ieee80211_supported_band *sband,
 			     const u8 *srates, int srates_len, u32 *rates)
 {
-	u32 rate_flags = ieee80211_chandef_rate_flags(chandef);
-	int shift = ieee80211_chandef_get_shift(chandef);
+	u32 rate_flags = ieee80211_chanwidth_rate_flags(width);
+	int shift = ieee80211_chanwidth_get_shift(width);
 	struct ieee80211_rate *br;
 	int brate, rate, i, j, count = 0;
 
@@ -3775,13 +3865,11 @@ int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
 int ieee80211_ave_rssi(struct ieee80211_vif *vif)
 {
 	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
-	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 
-	if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) {
-		/* non-managed type inferfaces */
+	if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
 		return 0;
-	}
-	return -ewma_beacon_signal_read(&ifmgd->ave_beacon_signal);
+
+	return -ewma_beacon_signal_read(&sdata->deflink.u.mgd.ave_beacon_signal);
 }
 EXPORT_SYMBOL_GPL(ieee80211_ave_rssi);
 
@@ -3973,11 +4061,11 @@ void ieee80211_dfs_cac_cancel(struct ieee80211_local *local)
 		 * by the time it gets it, sdata->wdev.cac_started
 		 * will no longer be true
 		 */
-		cancel_delayed_work(&sdata->dfs_cac_timer_work);
+		cancel_delayed_work(&sdata->deflink.dfs_cac_timer_work);
 
 		if (sdata->wdev.cac_started) {
 			chandef = sdata->vif.bss_conf.chandef;
-			ieee80211_vif_release_channel(sdata);
+			ieee80211_link_release_channel(&sdata->deflink);
 			cfg80211_cac_event(sdata->dev,
 					   &chandef,
 					   NL80211_RADAR_CAC_ABORTED,
@@ -4026,21 +4114,21 @@ void ieee80211_radar_detected(struct ieee80211_hw *hw)
 }
 EXPORT_SYMBOL(ieee80211_radar_detected);
 
-u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c)
+ieee80211_conn_flags_t ieee80211_chandef_downgrade(struct cfg80211_chan_def *c)
 {
-	u32 ret;
+	ieee80211_conn_flags_t ret;
 	int tmp;
 
 	switch (c->width) {
 	case NL80211_CHAN_WIDTH_20:
 		c->width = NL80211_CHAN_WIDTH_20_NOHT;
-		ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;
+		ret = IEEE80211_CONN_DISABLE_HT | IEEE80211_CONN_DISABLE_VHT;
 		break;
 	case NL80211_CHAN_WIDTH_40:
 		c->width = NL80211_CHAN_WIDTH_20;
 		c->center_freq1 = c->chan->center_freq;
-		ret = IEEE80211_STA_DISABLE_40MHZ |
-		      IEEE80211_STA_DISABLE_VHT;
+		ret = IEEE80211_CONN_DISABLE_40MHZ |
+		      IEEE80211_CONN_DISABLE_VHT;
 		break;
 	case NL80211_CHAN_WIDTH_80:
 		tmp = (30 + c->chan->center_freq - c->center_freq1)/20;
@@ -4049,13 +4137,13 @@ u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c)
 		/* freq_P40 */
 		c->center_freq1 = c->center_freq1 - 20 + 40 * tmp;
 		c->width = NL80211_CHAN_WIDTH_40;
-		ret = IEEE80211_STA_DISABLE_VHT;
+		ret = IEEE80211_CONN_DISABLE_VHT;
 		break;
 	case NL80211_CHAN_WIDTH_80P80:
 		c->center_freq2 = 0;
 		c->width = NL80211_CHAN_WIDTH_80;
-		ret = IEEE80211_STA_DISABLE_80P80MHZ |
-		      IEEE80211_STA_DISABLE_160MHZ;
+		ret = IEEE80211_CONN_DISABLE_80P80MHZ |
+		      IEEE80211_CONN_DISABLE_160MHZ;
 		break;
 	case NL80211_CHAN_WIDTH_160:
 		/* n_P20 */
@@ -4064,23 +4152,23 @@ u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c)
 		tmp /= 4;
 		c->center_freq1 = c->center_freq1 - 40 + 80 * tmp;
 		c->width = NL80211_CHAN_WIDTH_80;
-		ret = IEEE80211_STA_DISABLE_80P80MHZ |
-		      IEEE80211_STA_DISABLE_160MHZ;
+		ret = IEEE80211_CONN_DISABLE_80P80MHZ |
+		      IEEE80211_CONN_DISABLE_160MHZ;
 		break;
 	case NL80211_CHAN_WIDTH_320:
 		/* n_P20 */
 		tmp = (150 + c->chan->center_freq - c->center_freq1) / 20;
 		/* n_P160 */
-		tmp /= 80;
+		tmp /= 8;
 		c->center_freq1 = c->center_freq1 - 80 + 160 * tmp;
 		c->width = NL80211_CHAN_WIDTH_160;
-		ret = IEEE80211_STA_DISABLE_320MHZ;
+		ret = IEEE80211_CONN_DISABLE_320MHZ;
 		break;
 	default:
 	case NL80211_CHAN_WIDTH_20_NOHT:
 		WARN_ON_ONCE(1);
 		c->width = NL80211_CHAN_WIDTH_20_NOHT;
-		ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;
+		ret = IEEE80211_CONN_DISABLE_HT | IEEE80211_CONN_DISABLE_VHT;
 		break;
 	case NL80211_CHAN_WIDTH_1:
 	case NL80211_CHAN_WIDTH_2:
@@ -4091,7 +4179,7 @@ u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c)
 	case NL80211_CHAN_WIDTH_10:
 		WARN_ON_ONCE(1);
 		/* keep c->width */
-		ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;
+		ret = IEEE80211_CONN_DISABLE_HT | IEEE80211_CONN_DISABLE_VHT;
 		break;
 	}
 
@@ -4212,74 +4300,6 @@ int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
 	return 0;
 }
 
-bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs)
-{
-	return !(cs == NULL || cs->cipher == 0 ||
-		 cs->hdr_len < cs->pn_len + cs->pn_off ||
-		 cs->hdr_len <= cs->key_idx_off ||
-		 cs->key_idx_shift > 7 ||
-		 cs->key_idx_mask == 0);
-}
-
-bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n)
-{
-	int i;
-
-	/* Ensure we have enough iftype bitmap space for all iftype values */
-	WARN_ON((NUM_NL80211_IFTYPES / 8 + 1) > sizeof(cs[0].iftype));
-
-	for (i = 0; i < n; i++)
-		if (!ieee80211_cs_valid(&cs[i]))
-			return false;
-
-	return true;
-}
-
-const struct ieee80211_cipher_scheme *
-ieee80211_cs_get(struct ieee80211_local *local, u32 cipher,
-		 enum nl80211_iftype iftype)
-{
-	const struct ieee80211_cipher_scheme *l = local->hw.cipher_schemes;
-	int n = local->hw.n_cipher_schemes;
-	int i;
-	const struct ieee80211_cipher_scheme *cs = NULL;
-
-	for (i = 0; i < n; i++) {
-		if (l[i].cipher == cipher) {
-			cs = &l[i];
-			break;
-		}
-	}
-
-	if (!cs || !(cs->iftype & BIT(iftype)))
-		return NULL;
-
-	return cs;
-}
-
-int ieee80211_cs_headroom(struct ieee80211_local *local,
-			  struct cfg80211_crypto_settings *crypto,
-			  enum nl80211_iftype iftype)
-{
-	const struct ieee80211_cipher_scheme *cs;
-	int headroom = IEEE80211_ENCRYPT_HEADROOM;
-	int i;
-
-	for (i = 0; i < crypto->n_ciphers_pairwise; i++) {
-		cs = ieee80211_cs_get(local, crypto->ciphers_pairwise[i],
-				      iftype);
-
-		if (cs && headroom < cs->hdr_len)
-			headroom = cs->hdr_len;
-	}
-
-	cs = ieee80211_cs_get(local, crypto->cipher_group, iftype);
-	if (cs && headroom < cs->hdr_len)
-		headroom = cs->hdr_len;
-
-	return headroom;
-}
-
 static bool
 ieee80211_extend_noa_desc(struct ieee80211_noa_data *data, u32 tsf, int i)
 {
@@ -4471,7 +4491,7 @@ void ieee80211_recalc_dtim(struct ieee80211_local *local,
 static u8 ieee80211_chanctx_radar_detect(struct ieee80211_local *local,
 					 struct ieee80211_chanctx *ctx)
 {
-	struct ieee80211_sub_if_data *sdata;
+	struct ieee80211_link_data *link;
 	u8 radar_detect = 0;
 
 	lockdep_assert_held(&local->chanctx_mtx);
@@ -4479,20 +4499,24 @@ static u8 ieee80211_chanctx_radar_detect(struct ieee80211_local *local,
 	if (WARN_ON(ctx->replace_state == IEEE80211_CHANCTX_WILL_BE_REPLACED))
 		return 0;
 
-	list_for_each_entry(sdata, &ctx->reserved_vifs, reserved_chanctx_list)
-		if (sdata->reserved_radar_required)
-			radar_detect |= BIT(sdata->reserved_chandef.width);
+	list_for_each_entry(link, &ctx->reserved_links, reserved_chanctx_list)
+		if (link->reserved_radar_required)
+			radar_detect |= BIT(link->reserved_chandef.width);
 
 	/*
 	 * An in-place reservation context should not have any assigned vifs
 	 * until it replaces the other context.
 	 */
 	WARN_ON(ctx->replace_state == IEEE80211_CHANCTX_REPLACES_OTHER &&
-		!list_empty(&ctx->assigned_vifs));
+		!list_empty(&ctx->assigned_links));
+
+	list_for_each_entry(link, &ctx->assigned_links, assigned_chanctx_list) {
+		if (!link->radar_required)
+			continue;
 
-	list_for_each_entry(sdata, &ctx->assigned_vifs, assigned_chanctx_list)
-		if (sdata->radar_required)
-			radar_detect |= BIT(sdata->vif.bss_conf.chandef.width);
+		radar_detect |=
+			BIT(link->conf->chandef.width);
+	}
 
 	return radar_detect;
 }
@@ -4806,3 +4830,31 @@ u8 *ieee80211_ie_build_eht_cap(u8 *pos,
 
 	return pos;
 }
+
+void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos)
+{
+	unsigned int elem_len;
+
+	if (!len_pos)
+		return;
+
+	elem_len = skb->data + skb->len - len_pos - 1;
+
+	while (elem_len > 255) {
+		/* this one is 255 */
+		*len_pos = 255;
+		/* remaining data gets smaller */
+		elem_len -= 255;
+		/* make space for the fragment ID/len in SKB */
+		skb_put(skb, 2);
+		/* shift back the remaining data to place fragment ID/len */
+		memmove(len_pos + 255 + 3, len_pos + 255 + 1, elem_len);
+		/* place the fragment ID */
+		len_pos += 255 + 1;
+		*len_pos = WLAN_EID_FRAGMENT;
+		/* and point to fragment length to update later */
+		len_pos++;
+	}
+
+	*len_pos = elem_len;
+}