Merge tag 'mac80211-next-for-net-next-2021-12-21' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
This time we have:
 * ndo_fill_forward_path support in mac80211, to let drivers use it
 * association comeback notification for userspace, to be able
   to react more sensibly to long delays
 * support for background radar detection hardware in some chipsets
 * SA Query Procedures offload on the AP side
 * more logging if we find problems with HT/VHT/HE
 * various cleanups and minor fixes

Conflicts:

net/wireless/reg.c:
  e08ebd6d7b90 ("cfg80211: Acquire wiphy mutex on regulatory work")
  701fdfe348f7 ("cfg80211: Enable regulatory enforcement checks for drivers supporting mesh iface")
  https://lore.kernel.org/r/20211221111950.57ecc6a7@canb.auug.org.au

drivers/net/wireless/ath/ath10k/wmi.c:
  7f599aeccbd2 ("cfg80211: Use the HE operation IE to determine a 6GHz BSS channel")
  3bf2537ec2e3 ("ath10k: drop beacon and probe response which leak from other channel")
  https://lore.kernel.org/r/20211221115004.1cd6b262@canb.auug.org.au

* tag 'mac80211-next-for-net-next-2021-12-21' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next: (32 commits)
  cfg80211: Enable regulatory enforcement checks for drivers supporting mesh iface
  rfkill: allow to get the software rfkill state
  cfg80211: refactor cfg80211_get_ies_channel_number()
  nl82011: clarify interface combinations wrt. channels
  nl80211: Add support to offload SA Query procedures for AP SME device
  nl80211: Add support to set AP settings flags with single attribute
  mac80211: add more HT/VHT/HE state logging
  cfg80211: Use the HE operation IE to determine a 6GHz BSS channel
  cfg80211: rename offchannel_chain structs to background_chain to avoid confusion with ETSI standard
  mac80211: Notify cfg80211 about association comeback
  cfg80211: Add support for notifying association comeback
  mac80211: introduce channel switch disconnect function
  cfg80211: Fix order of enum nl80211_band_iftype_attr documentation
  cfg80211: simplify cfg80211_chandef_valid()
  mac80211: Remove a couple of obsolete TODO
  mac80211: fix FEC flag in radio tap header
  mac80211: use coarse boottime for airtime fairness code
  ieee80211: change HE nominal packet padding value defines
  cfg80211: use ieee80211_bss_get_elem() instead of _get_ie()
  mac80211: Use memset_after() to clear tx status
  ...
====================

Link: https://lore.kernel.org/r/20211221112532.28708-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

12 files changed, 191 insertions, 42 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index bd3d3195097f..dc3746d5cdc1 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -5,7 +5,7 @@
  * Copyright 2006-2010	Johannes Berg <johannes@sipsolutions.net>
  * Copyright 2013-2015  Intel Mobile Communications GmbH
  * Copyright (C) 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2020 Intel Corporation
+ * Copyright (C) 2018-2021 Intel Corporation
  */
 
 #include <linux/ieee80211.h>
@@ -3198,6 +3198,18 @@ void ieee80211_csa_finish(struct ieee80211_vif *vif)
 }
 EXPORT_SYMBOL(ieee80211_csa_finish);
 
+void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif, bool block_tx)
+{
+	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+	struct ieee80211_local *local = sdata->local;
+
+	sdata->csa_block_tx = block_tx;
+	sdata_info(sdata, "channel switch failed, disconnecting\n");
+	ieee80211_queue_work(&local->hw, &ifmgd->csa_connection_drop_work);
+}
+EXPORT_SYMBOL(ieee80211_channel_switch_disconnect);
+
 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
 					  u32 *changed)
 {
@@ -4268,6 +4280,21 @@ ieee80211_color_change_bss_config_notify(struct ieee80211_sub_if_data *sdata,
 	changed |= BSS_CHANGED_HE_BSS_COLOR;
 
 	ieee80211_bss_info_change_notify(sdata, changed);
+
+	if (!sdata->vif.bss_conf.nontransmitted && sdata->vif.mbssid_tx_vif) {
+		struct ieee80211_sub_if_data *child;
+
+		mutex_lock(&sdata->local->iflist_mtx);
+		list_for_each_entry(child, &sdata->local->interfaces, list) {
+			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);
+			}
+		}
+		mutex_unlock(&sdata->local->iflist_mtx);
+	}
 }
 
 static int ieee80211_color_change_finalize(struct ieee80211_sub_if_data *sdata)
@@ -4352,6 +4379,9 @@ ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev,
 
 	sdata_assert_lock(sdata);
 
+	if (sdata->vif.bss_conf.nontransmitted)
+		return -EINVAL;
+
 	mutex_lock(&local->mtx);
 
 	/* don't allow another color change if one is already active or if csa
@@ -4383,6 +4413,18 @@ out:
 	return err;
 }
 
+static int
+ieee80211_set_radar_background(struct wiphy *wiphy,
+			       struct cfg80211_chan_def *chandef)
+{
+	struct ieee80211_local *local = wiphy_priv(wiphy);
+
+	if (!local->ops->set_radar_background)
+		return -EOPNOTSUPP;
+
+	return local->ops->set_radar_background(&local->hw, chandef);
+}
+
 const struct cfg80211_ops mac80211_config_ops = {
 	.add_virtual_intf = ieee80211_add_iface,
 	.del_virtual_intf = ieee80211_del_iface,
@@ -4487,4 +4529,5 @@ const struct cfg80211_ops mac80211_config_ops = {
 	.reset_tid_config = ieee80211_reset_tid_config,
 	.set_sar_specs = ieee80211_set_sar_specs,
 	.color_change = ieee80211_color_change,
+	.set_radar_background = ieee80211_set_radar_background,
 };
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 481f01b0f65c..9479f2787ea7 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -936,14 +936,15 @@ static ssize_t sta_he_capa_read(struct file *file, char __user *userbuf,
 	PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB,
 	      "RX-FULL-BW-SU-USING-MU-WITH-NON-COMP-SIGB");
 
-	switch (cap[9] & IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) {
-	case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US:
+	switch (u8_get_bits(cap[9],
+			    IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK)) {
+	case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US:
 		PRINT("NOMINAL-PACKET-PADDING-0US");
 		break;
-	case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US:
+	case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US:
 		PRINT("NOMINAL-PACKET-PADDING-8US");
 		break;
-	case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US:
+	case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US:
 		PRINT("NOMINAL-PACKET-PADDING-16US");
 		break;
 	}
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index c336267f4599..4e2fc1a08681 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -1486,4 +1486,26 @@ static inline void drv_twt_teardown_request(struct ieee80211_local *local,
 	trace_drv_return_void(local);
 }
 
+static inline int drv_net_fill_forward_path(struct ieee80211_local *local,
+					    struct ieee80211_sub_if_data *sdata,
+					    struct ieee80211_sta *sta,
+					    struct net_device_path_ctx *ctx,
+					    struct net_device_path *path)
+{
+	int ret = -EOPNOTSUPP;
+
+	sdata = get_bss_sdata(sdata);
+	if (!check_sdata_in_driver(sdata))
+		return -EIO;
+
+	trace_drv_net_fill_forward_path(local, sdata, sta);
+	if (local->ops->net_fill_forward_path)
+		ret = local->ops->net_fill_forward_path(&local->hw,
+							&sdata->vif, sta,
+							ctx, path);
+	trace_drv_return_int(local, ret);
+
+	return ret;
+}
+
 #endif /* __MAC80211_DRIVER_OPS */
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 5666bbb8860b..08c0542c93a3 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1463,7 +1463,7 @@ struct ieee80211_local {
 };
 
 static inline struct ieee80211_sub_if_data *
-IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
+IEEE80211_DEV_TO_SUB_IF(const struct net_device *dev)
 {
 	return netdev_priv(dev);
 }
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 20aa5cc31f77..41531478437c 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -789,6 +789,64 @@ static const struct net_device_ops ieee80211_monitorif_ops = {
 	.ndo_get_stats64	= ieee80211_get_stats64,
 };
 
+static int ieee80211_netdev_fill_forward_path(struct net_device_path_ctx *ctx,
+					      struct net_device_path *path)
+{
+	struct ieee80211_sub_if_data *sdata;
+	struct ieee80211_local *local;
+	struct sta_info *sta;
+	int ret = -ENOENT;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(ctx->dev);
+	local = sdata->local;
+
+	if (!local->ops->net_fill_forward_path)
+		return -EOPNOTSUPP;
+
+	rcu_read_lock();
+	switch (sdata->vif.type) {
+	case NL80211_IFTYPE_AP_VLAN:
+		sta = rcu_dereference(sdata->u.vlan.sta);
+		if (sta)
+			break;
+		if (sdata->wdev.use_4addr)
+			goto out;
+		if (is_multicast_ether_addr(ctx->daddr))
+			goto out;
+		sta = sta_info_get_bss(sdata, ctx->daddr);
+		break;
+	case NL80211_IFTYPE_AP:
+		if (is_multicast_ether_addr(ctx->daddr))
+			goto out;
+		sta = sta_info_get(sdata, ctx->daddr);
+		break;
+	case NL80211_IFTYPE_STATION:
+		if (sdata->wdev.wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) {
+			sta = sta_info_get(sdata, ctx->daddr);
+			if (sta && test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
+				if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH))
+					goto out;
+
+				break;
+			}
+		}
+
+		sta = sta_info_get(sdata, sdata->u.mgd.bssid);
+		break;
+	default:
+		goto out;
+	}
+
+	if (!sta)
+		goto out;
+
+	ret = drv_net_fill_forward_path(local, sdata, &sta->sta, ctx, path);
+out:
+	rcu_read_unlock();
+
+	return ret;
+}
+
 static const struct net_device_ops ieee80211_dataif_8023_ops = {
 	.ndo_open		= ieee80211_open,
 	.ndo_stop		= ieee80211_stop,
@@ -798,6 +856,7 @@ static const struct net_device_ops ieee80211_dataif_8023_ops = {
 	.ndo_set_mac_address	= ieee80211_change_mac,
 	.ndo_select_queue	= ieee80211_netdev_select_queue,
 	.ndo_get_stats64	= ieee80211_get_stats64,
+	.ndo_fill_forward_path	= ieee80211_netdev_fill_forward_path,
 };
 
 static bool ieee80211_iftype_supports_hdr_offload(enum nl80211_iftype iftype)
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 45fb517591ee..5311c3cd3050 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1131,17 +1131,14 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 		local->scan_ies_len +=
 			2 + sizeof(struct ieee80211_vht_cap);
 
-	/* HE cap element is variable in size - set len to allow max size */
 	/*
-	 * TODO: 1 is added at the end of the calculation to accommodate for
-	 *	the temporary placing of the HE capabilities IE under EXT.
-	 *	Remove it once it is placed in the final place.
-	 */
-	if (supp_he)
+	 * HE cap element is variable in size - set len to allow max size */
+	if (supp_he) {
 		local->scan_ies_len +=
-			2 + sizeof(struct ieee80211_he_cap_elem) +
+			3 + sizeof(struct ieee80211_he_cap_elem) +
 			sizeof(struct ieee80211_he_mcs_nss_supp) +
-			IEEE80211_HE_PPE_THRES_MAX_LEN + 1;
+			IEEE80211_HE_PPE_THRES_MAX_LEN;
+	}
 
 	if (!local->ops->hw_scan) {
 		/* For hw_scan, driver needs to set these up. */
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 37f7d975f3da..51f55c4ee3c6 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -164,12 +164,15 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
 	chandef->freq1_offset = channel->freq_offset;
 
 	if (channel->band == NL80211_BAND_6GHZ) {
-		if (!ieee80211_chandef_he_6ghz_oper(sdata, he_oper, chandef))
+		if (!ieee80211_chandef_he_6ghz_oper(sdata, he_oper, chandef)) {
+			mlme_dbg(sdata,
+				 "bad 6 GHz operation, disabling HT/VHT/HE\n");
 			ret = IEEE80211_STA_DISABLE_HT |
 			      IEEE80211_STA_DISABLE_VHT |
 			      IEEE80211_STA_DISABLE_HE;
-		else
+		} else {
 			ret = 0;
+		}
 		vht_chandef = *chandef;
 		goto out;
 	} else if (sband->band == NL80211_BAND_S1GHZ) {
@@ -190,6 +193,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
 	ieee80211_apply_htcap_overrides(sdata, &sta_ht_cap);
 
 	if (!ht_oper || !sta_ht_cap.ht_supported) {
+		mlme_dbg(sdata, "HT operation missing / HT not supported\n");
 		ret = IEEE80211_STA_DISABLE_HT |
 		      IEEE80211_STA_DISABLE_VHT |
 		      IEEE80211_STA_DISABLE_HE;
@@ -223,6 +227,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
 	if (sta_ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
 		ieee80211_chandef_ht_oper(ht_oper, chandef);
 	} else {
+		mlme_dbg(sdata, "40 MHz not supported\n");
 		/* 40 MHz (and 80 MHz) must be supported for VHT */
 		ret = IEEE80211_STA_DISABLE_VHT;
 		/* also mark 40 MHz disabled */
@@ -231,6 +236,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
 	}
 
 	if (!vht_oper || !sband->vht_cap.vht_supported) {
+		mlme_dbg(sdata, "VHT operation missing / VHT not supported\n");
 		ret = IEEE80211_STA_DISABLE_VHT;
 		goto out;
 	}
@@ -253,7 +259,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
 						&vht_chandef)) {
 			if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE))
 				sdata_info(sdata,
-					   "HE AP VHT information is invalid, disable HE\n");
+					   "HE AP VHT information is invalid, disabling HE\n");
 			ret = IEEE80211_STA_DISABLE_HE;
 			goto out;
 		}
@@ -263,7 +269,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
 					       &vht_chandef)) {
 		if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
 			sdata_info(sdata,
-				   "AP VHT information is invalid, disable VHT\n");
+				   "AP VHT information is invalid, disabling VHT\n");
 		ret = IEEE80211_STA_DISABLE_VHT;
 		goto out;
 	}
@@ -271,7 +277,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
 	if (!cfg80211_chandef_valid(&vht_chandef)) {
 		if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
 			sdata_info(sdata,
-				   "AP VHT information is invalid, disable VHT\n");
+				   "AP VHT information is invalid, disabling VHT\n");
 		ret = IEEE80211_STA_DISABLE_VHT;
 		goto out;
 	}
@@ -284,7 +290,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
 	if (!cfg80211_chandef_compatible(chandef, &vht_chandef)) {
 		if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
 			sdata_info(sdata,
-				   "AP VHT information doesn't match HT, disable VHT\n");
+				   "AP VHT information doesn't match HT, disabling VHT\n");
 		ret = IEEE80211_STA_DISABLE_VHT;
 		goto out;
 	}
@@ -649,10 +655,6 @@ static void ieee80211_add_he_ie(struct ieee80211_sub_if_data *sdata,
 	if (!he_cap || !reg_cap)
 		return;
 
-	/*
-	 * TODO: the 1 added is because this temporarily is under the EXTENSION
-	 * IE. Get rid of it when it moves.
-	 */
 	he_cap_size =
 		2 + 1 + sizeof(he_cap->he_cap_elem) +
 		ieee80211_he_mcs_nss_size(&he_cap->he_cap_elem) +
@@ -3741,6 +3743,10 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 	    elems->timeout_int &&
 	    elems->timeout_int->type == WLAN_TIMEOUT_ASSOC_COMEBACK) {
 		u32 tu, ms;
+
+		cfg80211_assoc_comeback(sdata->dev, assoc_data->bss,
+					le32_to_cpu(elems->timeout_int->value));
+
 		tu = le32_to_cpu(elems->timeout_int->value);
 		ms = tu * 1024 / 1000;
 		sdata_info(sdata,
@@ -5043,19 +5049,23 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
 
 	/* disable HT/VHT/HE if we don't support them */
 	if (!sband->ht_cap.ht_supported && !is_6ghz) {
+		mlme_dbg(sdata, "HT not supported, disabling HT/VHT/HE\n");
 		ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
 		ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
 		ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
 	}
 
 	if (!sband->vht_cap.vht_supported && is_5ghz) {
+		mlme_dbg(sdata, "VHT not supported, disabling VHT/HE\n");
 		ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
 		ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
 	}
 
 	if (!ieee80211_get_he_iftype_cap(sband,
-					 ieee80211_vif_type_p2p(&sdata->vif)))
+					 ieee80211_vif_type_p2p(&sdata->vif))) {
+		mlme_dbg(sdata, "HE not supported, disabling it\n");
 		ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
+	}
 
 	if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT) && !is_6ghz) {
 		ht_oper = elems->ht_operation;
@@ -5079,6 +5089,8 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
 		}
 
 		if (!elems->vht_cap_elem) {
+			sdata_info(sdata,
+				   "bad VHT capabilities, disabling VHT\n");
 			ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
 			vht_oper = NULL;
 		}
@@ -5126,8 +5138,10 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
 		break;
 	}
 
-	if (!have_80mhz)
+	if (!have_80mhz) {
+		sdata_info(sdata, "80 MHz not supported, disabling VHT\n");
 		ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
+	}
 
 	if (sband->band == NL80211_BAND_S1GHZ) {
 		s1g_oper = elems->s1g_oper;
@@ -5691,12 +5705,14 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 	else if (!is_6ghz)
 		ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
 	vht_elem = ieee80211_bss_get_elem(req->bss, WLAN_EID_VHT_CAPABILITY);
-	if (vht_elem && vht_elem->datalen >= sizeof(struct ieee80211_vht_cap))
+	if (vht_elem && vht_elem->datalen >= sizeof(struct ieee80211_vht_cap)) {
 		memcpy(&assoc_data->ap_vht_cap, vht_elem->data,
 		       sizeof(struct ieee80211_vht_cap));
-	else if (is_5ghz)
+	} else if (is_5ghz) {
+		sdata_info(sdata, "VHT capa missing/short, disabling VHT/HE\n");
 		ifmgd->flags |= IEEE80211_STA_DISABLE_VHT |
 				IEEE80211_STA_DISABLE_HE;
+	}
 	rcu_read_unlock();
 
 	if (WARN((sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_UAPSD) &&
@@ -5770,16 +5786,21 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 	}
 
 	if (req->flags & ASSOC_REQ_DISABLE_HT) {
+		mlme_dbg(sdata, "HT disabled by flag, disabling HT/VHT/HE\n");
 		ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
 		ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
 		ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
 	}
 
-	if (req->flags & ASSOC_REQ_DISABLE_VHT)
+	if (req->flags & ASSOC_REQ_DISABLE_VHT) {
+		mlme_dbg(sdata, "VHT disabled by flag, disabling VHT\n");
 		ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
+	}
 
-	if (req->flags & ASSOC_REQ_DISABLE_HE)
+	if (req->flags & ASSOC_REQ_DISABLE_HE) {
+		mlme_dbg(sdata, "HE disabled by flag, disabling VHT\n");
 		ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
+	}
 
 	err = ieee80211_prep_connection(sdata, req->bss, true, override);
 	if (err)
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 72b44d4c42d0..9c3b7fc377c1 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -18,8 +18,6 @@
 #define AVG_AMPDU_SIZE	16
 #define AVG_PKT_SIZE	1200
 
-#define SAMPLE_SWITCH_THR	100
-
 /* Number of bits for an average sized packet */
 #define MCS_NBITS ((AVG_PKT_SIZE * AVG_AMPDU_SIZE) << 3)
 
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 0544563ede52..fec82f7c2fa6 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -465,7 +465,12 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 		unsigned int stbc;
 
 		rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_MCS));
-		*pos++ = local->hw.radiotap_mcs_details;
+		*pos = local->hw.radiotap_mcs_details;
+		if (status->enc_flags & RX_ENC_FLAG_HT_GF)
+			*pos |= IEEE80211_RADIOTAP_MCS_HAVE_FMT;
+		if (status->enc_flags & RX_ENC_FLAG_LDPC)
+			*pos |= IEEE80211_RADIOTAP_MCS_HAVE_FEC;
+		pos++;
 		*pos = 0;
 		if (status->enc_flags & RX_ENC_FLAG_SHORT_GI)
 			*pos |= IEEE80211_RADIOTAP_MCS_SGI;
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 9e8381bef7ed..d91498f77796 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -2892,6 +2892,13 @@ TRACE_EVENT(drv_twt_teardown_request,
 	)
 );
 
+DEFINE_EVENT(sta_event, drv_net_fill_forward_path,
+	TP_PROTO(struct ieee80211_local *local,
+		 struct ieee80211_sub_if_data *sdata,
+		 struct ieee80211_sta *sta),
+	TP_ARGS(local, sdata, sta)
+);
+
 #endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
 
 #undef TRACE_INCLUDE_PATH
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 86a54df3aabd..6d054fed062f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -3821,7 +3821,7 @@ struct ieee80211_txq *ieee80211_next_txq(struct ieee80211_hw *hw, u8 ac)
 {
 	struct ieee80211_local *local = hw_to_local(hw);
 	struct airtime_sched_info *air_sched;
-	u64 now = ktime_get_boottime_ns();
+	u64 now = ktime_get_coarse_boottime_ns();
 	struct ieee80211_txq *ret = NULL;
 	struct airtime_info *air_info;
 	struct txq_info *txqi = NULL;
@@ -3948,7 +3948,7 @@ void ieee80211_update_airtime_weight(struct ieee80211_local *local,
 	u64 weight_sum = 0;
 
 	if (unlikely(!now))
-		now = ktime_get_boottime_ns();
+		now = ktime_get_coarse_boottime_ns();
 
 	lockdep_assert_held(&air_sched->lock);
 
@@ -3974,7 +3974,7 @@ void ieee80211_schedule_txq(struct ieee80211_hw *hw,
 	struct ieee80211_local *local = hw_to_local(hw);
 	struct txq_info *txqi = to_txq_info(txq);
 	struct airtime_sched_info *air_sched;
-	u64 now = ktime_get_boottime_ns();
+	u64 now = ktime_get_coarse_boottime_ns();
 	struct airtime_info *air_info;
 	u8 ac = txq->ac;
 	bool was_active;
@@ -4032,7 +4032,7 @@ static void __ieee80211_unschedule_txq(struct ieee80211_hw *hw,
 
 	if (!purge)
 		airtime_set_active(air_sched, air_info,
-				   ktime_get_boottime_ns());
+				   ktime_get_coarse_boottime_ns());
 
 	rb_erase_cached(&txqi->schedule_order,
 			&air_sched->active_txqs);
@@ -4120,7 +4120,7 @@ bool ieee80211_txq_may_transmit(struct ieee80211_hw *hw,
 	if (RB_EMPTY_NODE(&txqi->schedule_order))
 		goto out;
 
-	now = ktime_get_boottime_ns();
+	now = ktime_get_coarse_boottime_ns();
 
 	/* Like in ieee80211_next_txq(), make sure the first station in the
 	 * scheduling order is eligible for transmission to avoid starvation.
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 4eed23e27610..7ed0d268aff2 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -449,7 +449,6 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb,
 	    (info->control.hw_key->flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE))
 		return 0;
 
-	hdr = (struct ieee80211_hdr *) pos;
 	pos += hdrlen;
 
 	pn64 = atomic64_inc_return(&key->conf.tx_pn);
@@ -686,7 +685,6 @@ static int gcmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
 	    (info->control.hw_key->flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE))
 		return 0;
 
-	hdr = (struct ieee80211_hdr *)pos;
 	pos += hdrlen;
 
 	pn64 = atomic64_inc_return(&key->conf.tx_pn);
@@ -881,8 +879,6 @@ ieee80211_crypto_cs_decrypt(struct ieee80211_rx_data *rx)
 	if (skb_linearize(rx->skb))
 		return RX_DROP_UNUSABLE;
 
-	hdr = (struct ieee80211_hdr *)rx->skb->data;
-
 	rx_pn = key->u.gen.rx_pn[qos_tid];
 	skb_pn = rx->skb->data + hdrlen + cs->pn_off;