wifi: mac80211: split bss_info_changed method

Split the bss_info_changed method to vif_cfg_changed and
link_info_changed, with the latter getting a link ID.
Also change the 'changed' parameter to u64 already, we
know we need that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

15 files changed, 241 insertions, 109 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 0a717cb95400..a1404fe5cfe4 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -39,7 +39,8 @@ static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
 		memcpy(sdata->vif.bss_conf.mu_group.position,
 		       params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
 		       WLAN_USER_POSITION_LEN);
-		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
+		ieee80211_link_info_change_notify(sdata, 0,
+						  BSS_CHANGED_MU_GROUPS);
 		/* don't care about endianness - just check for 0 */
 		memcpy(&membership, params->vht_mumimo_groups,
 		       WLAN_MEMBERSHIP_LEN);
@@ -1333,7 +1334,7 @@ static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
 		err |= BSS_CHANGED_HE_BSS_COLOR;
 	}
 
-	ieee80211_bss_info_change_notify(sdata, err);
+	ieee80211_link_info_change_notify(sdata, 0, err);
 	return 0;
 }
 
@@ -1414,7 +1415,7 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
 	sdata->beacon_rate_set = false;
 	sdata->vif.cfg.ssid_len = 0;
 	clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
-	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
+	ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_BEACON_ENABLED);
 
 	if (sdata->wdev.cac_started) {
 		chandef = sdata->vif.bss_conf.chandef;
@@ -2347,7 +2348,7 @@ static int ieee80211_update_mesh_config(struct wiphy *wiphy,
 	if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
 		conf->ht_opmode = nconf->ht_opmode;
 		sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
-		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
+		ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_HT);
 	}
 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
 		conf->dot11MeshHWMPactivePathToRootTimeout =
@@ -2502,7 +2503,7 @@ static int ieee80211_change_bss(struct wiphy *wiphy,
 		changed |= BSS_CHANGED_P2P_PS;
 	}
 
-	ieee80211_bss_info_change_notify(sdata, changed);
+	ieee80211_link_info_change_notify(sdata, 0, changed);
 
 	return 0;
 }
@@ -2543,7 +2544,7 @@ static int ieee80211_set_txq_params(struct wiphy *wiphy,
 		return -EINVAL;
 	}
 
-	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
+	ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_QOS);
 
 	return 0;
 }
@@ -2692,7 +2693,7 @@ static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
 	memcpy(sdata->vif.bss_conf.mcast_rate, rate,
 	       sizeof(int) * NUM_NL80211_BANDS);
 
-	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
+	ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_MCAST_RATE);
 
 	return 0;
 }
@@ -3026,7 +3027,7 @@ static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
 	/* tell the driver upon association, unless already associated */
 	if (sdata->u.mgd.associated &&
 	    sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
-		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
+		ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_CQM);
 
 	return 0;
 }
@@ -3051,7 +3052,7 @@ static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
 	/* tell the driver upon association, unless already associated */
 	if (sdata->u.mgd.associated &&
 	    sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
-		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
+		ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_CQM);
 
 	return 0;
 }
@@ -3389,7 +3390,7 @@ static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
 	if (err)
 		return err;
 
-	ieee80211_bss_info_change_notify(sdata, changed);
+	ieee80211_link_info_change_notify(sdata, 0, changed);
 
 	if (sdata->deflink.csa_block_tx) {
 		ieee80211_wake_vif_queues(local, sdata,
@@ -3677,7 +3678,7 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
 					  params->count, params->block_tx);
 
 	if (changed) {
-		ieee80211_bss_info_change_notify(sdata, changed);
+		ieee80211_link_info_change_notify(sdata, 0, changed);
 		drv_channel_switch_beacon(sdata, &params->chandef);
 	} else {
 		/* if the beacon didn't change, we can finalize immediately */
@@ -3980,7 +3981,7 @@ static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
 
 	ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
 	if (ret == 0)
-		ieee80211_bss_info_change_notify(sdata, changed);
+		ieee80211_link_info_change_notify(sdata, 0, changed);
 
 	return ret;
 }
@@ -4389,7 +4390,7 @@ ieee80211_color_change_bss_config_notify(struct ieee80211_sub_if_data *sdata,
 	sdata->vif.bss_conf.he_bss_color.enabled = enable;
 	changed |= BSS_CHANGED_HE_BSS_COLOR;
 
-	ieee80211_bss_info_change_notify(sdata, changed);
+	ieee80211_link_info_change_notify(sdata, 0, changed);
 
 	if (!sdata->vif.bss_conf.nontransmitted && sdata->vif.mbssid_tx_vif) {
 		struct ieee80211_sub_if_data *child;
@@ -4399,8 +4400,8 @@ ieee80211_color_change_bss_config_notify(struct ieee80211_sub_if_data *sdata,
 			if (child != sdata && child->vif.mbssid_tx_vif == &sdata->vif) {
 				child->vif.bss_conf.he_bss_color.color = color;
 				child->vif.bss_conf.he_bss_color.enabled = enable;
-				ieee80211_bss_info_change_notify(child,
-								 BSS_CHANGED_HE_BSS_COLOR);
+				ieee80211_link_info_change_notify(child, 0,
+								  BSS_CHANGED_HE_BSS_COLOR);
 			}
 		}
 		mutex_unlock(&sdata->local->iflist_mtx);
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 67131ca3f649..5d8b49f20198 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -799,8 +799,7 @@ out:
 
 	if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE &&
 	    sdata->vif.type != NL80211_IFTYPE_MONITOR)
-		ieee80211_bss_info_change_notify(sdata,
-						 BSS_CHANGED_IDLE);
+		ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_IDLE);
 
 	ieee80211_check_fast_xmit_iface(sdata);
 
@@ -1188,7 +1187,7 @@ ieee80211_vif_use_reserved_reassign(struct ieee80211_sub_if_data *sdata)
 	ieee80211_recalc_radar_chanctx(local, new_ctx);
 
 	if (changed)
-		ieee80211_bss_info_change_notify(sdata, changed);
+		ieee80211_link_info_change_notify(sdata, 0, changed);
 
 out:
 	ieee80211_vif_chanctx_reservation_complete(sdata);
@@ -1533,8 +1532,8 @@ static int ieee80211_vif_use_reserved_switch(struct ieee80211_local *local)
 			ieee80211_vif_update_chandef(sdata,
 						     &sdata->deflink.reserved_chandef);
 			if (changed)
-				ieee80211_bss_info_change_notify(sdata,
-								 changed);
+				ieee80211_link_info_change_notify(sdata, 0,
+								  changed);
 
 			ieee80211_recalc_txpower(sdata, false);
 		}
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index fd2882348211..15ab8d00815b 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -147,10 +147,27 @@ static inline int drv_config(struct ieee80211_local *local, u32 changed)
 	return ret;
 }
 
-static inline void drv_bss_info_changed(struct ieee80211_local *local,
-					struct ieee80211_sub_if_data *sdata,
-					struct ieee80211_bss_conf *info,
-					u32 changed)
+static inline void drv_vif_cfg_changed(struct ieee80211_local *local,
+				       struct ieee80211_sub_if_data *sdata,
+				       u64 changed)
+{
+	might_sleep();
+
+	if (!check_sdata_in_driver(sdata))
+		return;
+
+	trace_drv_vif_cfg_changed(local, sdata, changed);
+	if (local->ops->vif_cfg_changed)
+		local->ops->vif_cfg_changed(&local->hw, &sdata->vif, changed);
+	else if (local->ops->bss_info_changed)
+		local->ops->bss_info_changed(&local->hw, &sdata->vif,
+					     &sdata->vif.bss_conf, changed);
+	trace_drv_return_void(local);
+}
+
+static inline void drv_link_info_changed(struct ieee80211_local *local,
+					 struct ieee80211_sub_if_data *sdata,
+					 int link_id, u64 changed)
 {
 	might_sleep();
 
@@ -172,9 +189,13 @@ static inline void drv_bss_info_changed(struct ieee80211_local *local,
 	if (!check_sdata_in_driver(sdata))
 		return;
 
-	trace_drv_bss_info_changed(local, sdata, info, changed);
-	if (local->ops->bss_info_changed)
-		local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
+	trace_drv_link_info_changed(local, sdata, link_id, changed);
+	if (local->ops->link_info_changed)
+		local->ops->link_info_changed(&local->hw, &sdata->vif,
+					      link_id, changed);
+	else if (local->ops->bss_info_changed)
+		local->ops->bss_info_changed(&local->hw, &sdata->vif,
+					     &sdata->vif.bss_conf, changed);
 	trace_drv_return_void(local);
 }
 
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 066f7c5adeec..3b68e9f4345b 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -1851,7 +1851,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
 		| IEEE80211_HT_PARAM_RIFS_MODE;
 
 	changed |= BSS_CHANGED_HT | BSS_CHANGED_MCAST_RATE;
-	ieee80211_bss_info_change_notify(sdata, changed);
+	ieee80211_link_info_change_notify(sdata, 0, changed);
 
 	sdata->deflink.smps_mode = IEEE80211_SMPS_OFF;
 	sdata->deflink.needed_rx_chains = local->rx_chains;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index f0a8bb444033..20153957cdee 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1836,7 +1836,11 @@ u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
 int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
 void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
 void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
-				      u32 changed);
+				      u64 changed);
+void ieee80211_vif_cfg_change_notify(struct ieee80211_sub_if_data *sdata,
+				     u64 changed);
+void ieee80211_link_info_change_notify(struct ieee80211_sub_if_data *sdata,
+				       int link_id, u64 changed);
 void ieee80211_configure_filter(struct ieee80211_local *local);
 u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
 
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 2ee34d898821..978dfa48e098 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -80,7 +80,8 @@ void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata,
 {
 	if (__ieee80211_recalc_txpower(sdata) ||
 	    (update_bss && ieee80211_sdata_running(sdata)))
-		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_TXPOWER);
+		ieee80211_link_info_change_notify(sdata, 0,
+						  BSS_CHANGED_TXPOWER);
 }
 
 static u32 __ieee80211_idle_off(struct ieee80211_local *local)
@@ -1281,7 +1282,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
 		if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE &&
 		    sdata->vif.type != NL80211_IFTYPE_NAN)
 			changed |= ieee80211_reset_erp_info(sdata);
-		ieee80211_bss_info_change_notify(sdata, changed);
+		ieee80211_link_info_change_notify(sdata, 0, changed);
 
 		switch (sdata->vif.type) {
 		case NL80211_IFTYPE_STATION:
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 0c81ae492df4..5c71b522013f 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -199,15 +199,88 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
 	return ret;
 }
 
+#define BSS_CHANGED_VIF_CFG_FLAGS (BSS_CHANGED_ASSOC |\
+				   BSS_CHANGED_IDLE |\
+				   BSS_CHANGED_IBSS |\
+				   BSS_CHANGED_ARP_FILTER |\
+				   BSS_CHANGED_SSID)
+
 void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
-				      u32 changed)
+				      u64 changed)
 {
 	struct ieee80211_local *local = sdata->local;
 
+	might_sleep();
+
 	if (!changed || sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
 		return;
 
-	drv_bss_info_changed(local, sdata, &sdata->vif.bss_conf, changed);
+	if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
+				    BSS_CHANGED_BEACON_ENABLED) &&
+			 sdata->vif.type != NL80211_IFTYPE_AP &&
+			 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
+			 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
+			 sdata->vif.type != NL80211_IFTYPE_OCB))
+		return;
+
+	if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
+			 sdata->vif.type == NL80211_IFTYPE_NAN ||
+			 (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
+			  !sdata->vif.bss_conf.mu_mimo_owner &&
+			  !(changed & BSS_CHANGED_TXPOWER))))
+		return;
+
+	if (!check_sdata_in_driver(sdata))
+		return;
+
+	if (changed & BSS_CHANGED_VIF_CFG_FLAGS) {
+		u64 ch = changed & BSS_CHANGED_VIF_CFG_FLAGS;
+
+		trace_drv_vif_cfg_changed(local, sdata, changed);
+		if (local->ops->vif_cfg_changed)
+			local->ops->vif_cfg_changed(&local->hw, &sdata->vif, ch);
+	}
+
+	if (changed & ~BSS_CHANGED_VIF_CFG_FLAGS) {
+		u64 ch = changed & ~BSS_CHANGED_VIF_CFG_FLAGS;
+
+		/* FIXME: should be for each link */
+		trace_drv_link_info_changed(local, sdata, 0, changed);
+		if (local->ops->link_info_changed)
+			local->ops->link_info_changed(&local->hw, &sdata->vif,
+						      0, ch);
+	}
+
+	if (local->ops->bss_info_changed)
+		local->ops->bss_info_changed(&local->hw, &sdata->vif,
+					     &sdata->vif.bss_conf, changed);
+	trace_drv_return_void(local);
+}
+
+void ieee80211_vif_cfg_change_notify(struct ieee80211_sub_if_data *sdata,
+				     u64 changed)
+{
+	struct ieee80211_local *local = sdata->local;
+
+	WARN_ON_ONCE(changed & ~BSS_CHANGED_VIF_CFG_FLAGS);
+
+	if (!changed || sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+		return;
+
+	drv_vif_cfg_changed(local, sdata, changed);
+}
+
+void ieee80211_link_info_change_notify(struct ieee80211_sub_if_data *sdata,
+				       int link_id, u64 changed)
+{
+	struct ieee80211_local *local = sdata->local;
+
+	WARN_ON_ONCE(changed & BSS_CHANGED_VIF_CFG_FLAGS);
+
+	if (!changed || sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+		return;
+
+	drv_link_info_changed(local, sdata, link_id, changed);
 }
 
 u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
@@ -387,8 +460,7 @@ static int ieee80211_ifa_changed(struct notifier_block *nb,
 
 	/* Configure driver only if associated (which also implies it is up) */
 	if (ifmgd->associated)
-		ieee80211_bss_info_change_notify(sdata,
-						 BSS_CHANGED_ARP_FILTER);
+		ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_ARP_FILTER);
 
 	sdata_unlock(sdata);
 
@@ -557,6 +629,10 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
 	if (WARN_ON(ops->sta_state && (ops->sta_add || ops->sta_remove)))
 		return NULL;
 
+	if (WARN_ON(!!ops->link_info_changed != !!ops->vif_cfg_changed ||
+		    (ops->link_info_changed && ops->bss_info_changed)))
+		return NULL;
+
 	/* check all or no channel context operations exist */
 	i = !!ops->add_chanctx + !!ops->remove_chanctx +
 	    !!ops->change_chanctx + !!ops->assign_vif_chanctx +
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index f60e257cba95..13722a7f2254 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -1057,7 +1057,7 @@ int ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
 	}
 
 	ieee80211_recalc_dtim(local, sdata);
-	ieee80211_bss_info_change_notify(sdata, changed);
+	ieee80211_link_info_change_notify(sdata, 0, changed);
 
 	netif_carrier_on(sdata->dev);
 	return 0;
@@ -1081,7 +1081,7 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
 	sdata->vif.bss_conf.enable_beacon = false;
 	sdata->beacon_rate_set = false;
 	clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
-	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
+	ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_BEACON_ENABLED);
 
 	/* remove beacon */
 	bcn = rcu_dereference_protected(ifmsh->beacon,
@@ -1581,7 +1581,7 @@ static void mesh_bss_info_changed(struct ieee80211_sub_if_data *sdata)
 		if (ieee80211_mesh_rebuild_beacon(sdata))
 			return;
 
-	ieee80211_bss_info_change_notify(sdata, changed);
+	ieee80211_link_info_change_notify(sdata, 0, changed);
 }
 
 void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index fd1b97e1e990..e172bdfe9b0a 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1835,7 +1835,7 @@ void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata)
 
 	if (sdata->vif.bss_conf.ps != ps_allowed) {
 		sdata->vif.bss_conf.ps = ps_allowed;
-		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_PS);
+		ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_PS);
 	}
 }
 
@@ -2031,7 +2031,7 @@ __ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata)
 void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata)
 {
 	if (__ieee80211_sta_handle_tspec_ac_params(sdata))
-		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
+		ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_QOS);
 }
 
 static void ieee80211_sta_handle_tspec_ac_params_wk(struct work_struct *work)
@@ -2920,7 +2920,7 @@ static void ieee80211_destroy_auth_data(struct ieee80211_sub_if_data *sdata,
 		sta_info_destroy_addr(sdata, auth_data->bss->bssid);
 
 		eth_zero_addr(sdata->deflink.u.mgd.bssid);
-		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
+		ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_BSSID);
 		sdata->u.mgd.flags = 0;
 		mutex_lock(&sdata->local->mtx);
 		ieee80211_vif_release_channel(sdata);
@@ -2949,7 +2949,7 @@ static void ieee80211_destroy_assoc_data(struct ieee80211_sub_if_data *sdata,
 		sta_info_destroy_addr(sdata, assoc_data->bss->bssid);
 
 		eth_zero_addr(sdata->deflink.u.mgd.bssid);
-		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
+		ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_BSSID);
 		sdata->u.mgd.flags = 0;
 		sdata->vif.bss_conf.mu_mimo_owner = false;
 
@@ -4387,7 +4387,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
 					       elems->pwr_constr_elem,
 					       elems->cisco_dtpc_elem);
 
-	ieee80211_bss_info_change_notify(sdata, changed);
+	ieee80211_link_info_change_notify(sdata, 0, changed);
 free:
 	kfree(elems);
 }
@@ -5697,7 +5697,7 @@ skip_rates:
 		 * tell driver about BSSID, basic rates and timing
 		 * this was set up above, before setting the channel
 		 */
-		ieee80211_bss_info_change_notify(sdata,
+		ieee80211_link_info_change_notify(sdata, 0,
 			BSS_CHANGED_BSSID | BSS_CHANGED_BASIC_RATES |
 			BSS_CHANGED_BEACON_INT);
 
@@ -5865,7 +5865,7 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
 
  err_clear:
 	eth_zero_addr(sdata->deflink.u.mgd.bssid);
-	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
+	ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_BSSID);
 	ifmgd->auth_data = NULL;
 	mutex_lock(&sdata->local->mtx);
 	ieee80211_vif_release_channel(sdata);
@@ -6212,7 +6212,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 	return 0;
  err_clear:
 	eth_zero_addr(sdata->deflink.u.mgd.bssid);
-	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
+	ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_BSSID);
 	ifmgd->assoc_data = NULL;
  err_free:
 	kfree(assoc_data);
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 6cd3df1eb687..2ed4e2325914 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -118,8 +118,8 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local)
 			set_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED,
 				&sdata->state);
 			sdata->vif.bss_conf.enable_beacon = false;
-			ieee80211_bss_info_change_notify(
-				sdata, BSS_CHANGED_BEACON_ENABLED);
+			ieee80211_link_info_change_notify(
+				sdata, 0, BSS_CHANGED_BEACON_ENABLED);
 		}
 
 		if (sdata->vif.type == NL80211_IFTYPE_STATION &&
@@ -155,8 +155,8 @@ void ieee80211_offchannel_return(struct ieee80211_local *local)
 		if (test_and_clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED,
 				       &sdata->state)) {
 			sdata->vif.bss_conf.enable_beacon = true;
-			ieee80211_bss_info_change_notify(
-				sdata, BSS_CHANGED_BEACON_ENABLED);
+			ieee80211_link_info_change_notify(
+				sdata, 0, BSS_CHANGED_BEACON_ENABLED);
 		}
 	}
 	mutex_unlock(&local->iflist_mtx);
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 115efa830673..9a70d846d0dd 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -630,7 +630,7 @@ ieee80211_recalc_p2p_go_ps_allowed(struct ieee80211_sub_if_data *sdata)
 
 	if (allow_p2p_go_ps != sdata->vif.bss_conf.allow_p2p_go_ps) {
 		sdata->vif.bss_conf.allow_p2p_go_ps = allow_p2p_go_ps;
-		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_P2P_PS);
+		ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_P2P_PS);
 	}
 }
 
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index 8a2ec9c31240..11a3b950b490 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -1335,7 +1335,7 @@ iee80211_tdls_recalc_ht_protection(struct ieee80211_sub_if_data *sdata,
 		return;
 
 	sdata->vif.bss_conf.ht_operation_mode = opmode;
-	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
+	ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_HT);
 }
 
 int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 74ef7e71e1ef..9417378b4fc0 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -390,22 +390,71 @@ TRACE_EVENT(drv_config,
 	)
 );
 
-TRACE_EVENT(drv_bss_info_changed,
+TRACE_EVENT(drv_vif_cfg_changed,
 	TP_PROTO(struct ieee80211_local *local,
 		 struct ieee80211_sub_if_data *sdata,
-		 struct ieee80211_bss_conf *info,
-		 u32 changed),
+		 u64 changed),
 
-	TP_ARGS(local, sdata, info, changed),
+	TP_ARGS(local, sdata, changed),
 
 	TP_STRUCT__entry(
 		LOCAL_ENTRY
 		VIF_ENTRY
-		__field(u32, changed)
+		__field(u64, changed)
 		__field(bool, assoc)
 		__field(bool, ibss_joined)
 		__field(bool, ibss_creator)
 		__field(u16, aid)
+		__dynamic_array(u32, arp_addr_list,
+				sdata->vif.cfg.arp_addr_cnt > IEEE80211_BSS_ARP_ADDR_LIST_LEN ?
+					IEEE80211_BSS_ARP_ADDR_LIST_LEN :
+					sdata->vif.cfg.arp_addr_cnt)
+		__field(int, arp_addr_cnt)
+		__dynamic_array(u8, ssid, sdata->vif.cfg.ssid_len)
+		__field(int, s1g)
+		__field(bool, idle)
+	),
+
+	TP_fast_assign(
+		LOCAL_ASSIGN;
+		VIF_ASSIGN;
+		__entry->changed = changed;
+		__entry->aid = sdata->vif.cfg.aid;
+		__entry->assoc = sdata->vif.cfg.assoc;
+		__entry->ibss_joined = sdata->vif.cfg.ibss_joined;
+		__entry->ibss_creator = sdata->vif.cfg.ibss_creator;
+
+		__entry->arp_addr_cnt = sdata->vif.cfg.arp_addr_cnt;
+		memcpy(__get_dynamic_array(arp_addr_list),
+		       sdata->vif.cfg.arp_addr_list,
+		       sizeof(u32) * (sdata->vif.cfg.arp_addr_cnt > IEEE80211_BSS_ARP_ADDR_LIST_LEN ?
+					IEEE80211_BSS_ARP_ADDR_LIST_LEN :
+					sdata->vif.cfg.arp_addr_cnt));
+		memcpy(__get_dynamic_array(ssid),
+		       sdata->vif.cfg.ssid,
+		       sdata->vif.cfg.ssid_len);
+		__entry->s1g = sdata->vif.cfg.s1g;
+		__entry->idle = sdata->vif.cfg.idle;
+	),
+
+	TP_printk(
+		LOCAL_PR_FMT  VIF_PR_FMT " changed:%#llx",
+		LOCAL_PR_ARG, VIF_PR_ARG, __entry->changed
+	)
+);
+
+TRACE_EVENT(drv_link_info_changed,
+	TP_PROTO(struct ieee80211_local *local,
+		 struct ieee80211_sub_if_data *sdata,
+		 int link_id, u64 changed),
+
+	TP_ARGS(local, sdata, link_id, changed),
+
+	TP_STRUCT__entry(
+		LOCAL_ENTRY
+		VIF_ENTRY
+		__field(u64, changed)
+		__field(int, link_id)
 		__field(bool, cts)
 		__field(bool, shortpre)
 		__field(bool, shortslot)
@@ -424,15 +473,8 @@ TRACE_EVENT(drv_bss_info_changed,
 		__field(u32, channel_width)
 		__field(u32, channel_cfreq1)
 		__field(u32, channel_cfreq1_offset)
-		__dynamic_array(u32, arp_addr_list,
-				sdata->vif.cfg.arp_addr_cnt > IEEE80211_BSS_ARP_ADDR_LIST_LEN ?
-					IEEE80211_BSS_ARP_ADDR_LIST_LEN :
-					sdata->vif.cfg.arp_addr_cnt)
-		__field(int, arp_addr_cnt)
 		__field(bool, qos)
-		__field(bool, idle)
 		__field(bool, ps)
-		__dynamic_array(u8, ssid, sdata->vif.cfg.ssid_len)
 		__field(bool, hidden_ssid)
 		__field(int, txpower)
 		__field(u8, p2p_oppps_ctwindow)
@@ -442,49 +484,37 @@ TRACE_EVENT(drv_bss_info_changed,
 		LOCAL_ASSIGN;
 		VIF_ASSIGN;
 		__entry->changed = changed;
-		__entry->aid = sdata->vif.cfg.aid;
-		__entry->assoc = sdata->vif.cfg.assoc;
-		__entry->ibss_joined = sdata->vif.cfg.ibss_joined;
-		__entry->ibss_creator = sdata->vif.cfg.ibss_creator;
-		__entry->shortpre = info->use_short_preamble;
-		__entry->cts = info->use_cts_prot;
-		__entry->shortslot = info->use_short_slot;
-		__entry->enable_beacon = info->enable_beacon;
-		__entry->dtimper = info->dtim_period;
-		__entry->bcnint = info->beacon_int;
-		__entry->assoc_cap = info->assoc_capability;
-		__entry->sync_tsf = info->sync_tsf;
-		__entry->sync_device_ts = info->sync_device_ts;
-		__entry->sync_dtim_count = info->sync_dtim_count;
-		__entry->basic_rates = info->basic_rates;
-		memcpy(__entry->mcast_rate, info->mcast_rate,
+		__entry->link_id = link_id;
+		__entry->shortpre = sdata->vif.bss_conf.use_short_preamble;
+		__entry->cts = sdata->vif.bss_conf.use_cts_prot;
+		__entry->shortslot = sdata->vif.bss_conf.use_short_slot;
+		__entry->enable_beacon = sdata->vif.bss_conf.enable_beacon;
+		__entry->dtimper = sdata->vif.bss_conf.dtim_period;
+		__entry->bcnint = sdata->vif.bss_conf.beacon_int;
+		__entry->assoc_cap = sdata->vif.bss_conf.assoc_capability;
+		__entry->sync_tsf = sdata->vif.bss_conf.sync_tsf;
+		__entry->sync_device_ts = sdata->vif.bss_conf.sync_device_ts;
+		__entry->sync_dtim_count = sdata->vif.bss_conf.sync_dtim_count;
+		__entry->basic_rates = sdata->vif.bss_conf.basic_rates;
+		memcpy(__entry->mcast_rate, sdata->vif.bss_conf.mcast_rate,
 		       sizeof(__entry->mcast_rate));
-		__entry->ht_operation_mode = info->ht_operation_mode;
-		__entry->cqm_rssi_thold = info->cqm_rssi_thold;
-		__entry->cqm_rssi_hyst = info->cqm_rssi_hyst;
-		__entry->channel_width = info->chandef.width;
-		__entry->channel_cfreq1 = info->chandef.center_freq1;
-		__entry->channel_cfreq1_offset = info->chandef.freq1_offset;
-		__entry->arp_addr_cnt = sdata->vif.cfg.arp_addr_cnt;
-		memcpy(__get_dynamic_array(arp_addr_list),
-		       sdata->vif.cfg.arp_addr_list,
-		       sizeof(u32) * (sdata->vif.cfg.arp_addr_cnt > IEEE80211_BSS_ARP_ADDR_LIST_LEN ?
-					IEEE80211_BSS_ARP_ADDR_LIST_LEN :
-					sdata->vif.cfg.arp_addr_cnt));
-		__entry->qos = info->qos;
-		__entry->idle = sdata->vif.cfg.idle;
-		__entry->ps = info->ps;
-		memcpy(__get_dynamic_array(ssid),
-		       sdata->vif.cfg.ssid,
-		       sdata->vif.cfg.ssid_len);
-		__entry->hidden_ssid = info->hidden_ssid;
-		__entry->txpower = info->txpower;
-		__entry->p2p_oppps_ctwindow = info->p2p_noa_attr.oppps_ctwindow;
-	),
-
-	TP_printk(
-		LOCAL_PR_FMT  VIF_PR_FMT " changed:%#x",
-		LOCAL_PR_ARG, VIF_PR_ARG, __entry->changed
+		__entry->ht_operation_mode = sdata->vif.bss_conf.ht_operation_mode;
+		__entry->cqm_rssi_thold = sdata->vif.bss_conf.cqm_rssi_thold;
+		__entry->cqm_rssi_hyst = sdata->vif.bss_conf.cqm_rssi_hyst;
+		__entry->channel_width = sdata->vif.bss_conf.chandef.width;
+		__entry->channel_cfreq1 = sdata->vif.bss_conf.chandef.center_freq1;
+		__entry->channel_cfreq1_offset = sdata->vif.bss_conf.chandef.freq1_offset;
+		__entry->qos = sdata->vif.bss_conf.qos;
+		__entry->ps = sdata->vif.bss_conf.ps;
+		__entry->hidden_ssid = sdata->vif.bss_conf.hidden_ssid;
+		__entry->txpower = sdata->vif.bss_conf.txpower;
+		__entry->p2p_oppps_ctwindow = sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow;
+	),
+
+	TP_printk(
+		LOCAL_PR_FMT  VIF_PR_FMT " link_id:%d, changed:%#llx",
+		LOCAL_PR_ARG, VIF_PR_ARG, __entry->link_id,
+		__entry->changed
 	)
 );
 
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 9cbc09e6d84e..2a279dc3e457 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1699,8 +1699,8 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
 	    sdata->vif.type != NL80211_IFTYPE_NAN) {
 		sdata->vif.bss_conf.qos = enable_qos;
 		if (bss_notify)
-			ieee80211_bss_info_change_notify(sdata,
-							 BSS_CHANGED_QOS);
+			ieee80211_link_info_change_notify(sdata, 0,
+							  BSS_CHANGED_QOS);
 	}
 }
 
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index ac97584b3a0b..7daca8352deb 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -665,7 +665,7 @@ void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata,
 	       mgmt->u.action.u.vht_group_notif.position,
 	       WLAN_USER_POSITION_LEN);
 
-	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
+	ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_MU_GROUPS);
 }
 
 void ieee80211_update_mu_groups(struct ieee80211_vif *vif,