Merging upstream version 6.8.9.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

18 files changed, 1541 insertions, 144 deletions

diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index a9ac85e09..10345388a 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -206,7 +206,6 @@ config CFG80211_KUNIT_TEST
 	depends on KUNIT
 	depends on CFG80211
 	default KUNIT_ALL_TESTS
-	depends on !KERNEL_6_2
 	help
 	  Enable this option to test cfg80211 functions with kunit.
 
diff --git a/net/wireless/Makefile b/net/wireless/Makefile
index 089c84152..72074fd36 100644
--- a/net/wireless/Makefile
+++ b/net/wireless/Makefile
@@ -25,7 +25,7 @@ ifneq ($(CONFIG_CFG80211_EXTRA_REGDB_KEYDIR),)
 cfg80211-y += extra-certs.o
 endif
 
-$(obj)/shipped-certs.c: $(wildcard $(srctree)/$(src)/certs/*.hex)
+$(obj)/shipped-certs.c: $(sort $(wildcard $(srctree)/$(src)/certs/*.hex))
 	@$(kecho) "  GEN     $@"
 	$(Q)(echo '#include "reg.h"'; \
 	  echo 'const u8 shipped_regdb_certs[] = {'; \
@@ -35,7 +35,7 @@ $(obj)/shipped-certs.c: $(wildcard $(srctree)/$(src)/certs/*.hex)
 	 ) > $@
 
 $(obj)/extra-certs.c: $(CONFIG_CFG80211_EXTRA_REGDB_KEYDIR) \
-		      $(wildcard $(CONFIG_CFG80211_EXTRA_REGDB_KEYDIR)/*.x509)
+		      $(sort $(wildcard $(CONFIG_CFG80211_EXTRA_REGDB_KEYDIR)/*.x509))
 	@$(kecho) "  GEN     $@"
 	$(Q)(set -e; \
 	  allf=""; \
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 2d21e423a..ceb9174c5 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -141,7 +141,7 @@ static bool cfg80211_edmg_chandef_valid(const struct cfg80211_chan_def *chandef)
 	return true;
 }
 
-static int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width)
+int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width)
 {
 	int mhz;
 
@@ -190,6 +190,7 @@ static int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width)
 	}
 	return mhz;
 }
+EXPORT_SYMBOL(nl80211_chan_width_to_mhz);
 
 static int cfg80211_chandef_get_width(const struct cfg80211_chan_def *c)
 {
@@ -514,9 +515,83 @@ static u32 cfg80211_get_end_freq(u32 center_freq,
 	return end_freq;
 }
 
+static bool
+cfg80211_dfs_permissive_check_wdev(struct cfg80211_registered_device *rdev,
+				   enum nl80211_iftype iftype,
+				   struct wireless_dev *wdev,
+				   struct ieee80211_channel *chan)
+{
+	unsigned int link_id;
+
+	for_each_valid_link(wdev, link_id) {
+		struct ieee80211_channel *other_chan = NULL;
+		struct cfg80211_chan_def chandef = {};
+		int ret;
+
+		/* In order to avoid daisy chaining only allow BSS STA */
+		if (wdev->iftype != NL80211_IFTYPE_STATION ||
+		    !wdev->links[link_id].client.current_bss)
+			continue;
+
+		other_chan =
+			wdev->links[link_id].client.current_bss->pub.channel;
+
+		if (!other_chan)
+			continue;
+
+		if (chan == other_chan)
+			return true;
+
+		/* continue if we can't get the channel */
+		ret = rdev_get_channel(rdev, wdev, link_id, &chandef);
+		if (ret)
+			continue;
+
+		if (cfg80211_is_sub_chan(&chandef, chan, false))
+			return true;
+	}
+
+	return false;
+}
+
+/*
+ * Check if P2P GO is allowed to operate on a DFS channel
+ */
+static bool cfg80211_dfs_permissive_chan(struct wiphy *wiphy,
+					 enum nl80211_iftype iftype,
+					 struct ieee80211_channel *chan)
+{
+	struct wireless_dev *wdev;
+	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
+
+	lockdep_assert_held(&rdev->wiphy.mtx);
+
+	if (!wiphy_ext_feature_isset(&rdev->wiphy,
+				     NL80211_EXT_FEATURE_DFS_CONCURRENT) ||
+	    !(chan->flags & IEEE80211_CHAN_DFS_CONCURRENT))
+		return false;
+
+	/* only valid for P2P GO */
+	if (iftype != NL80211_IFTYPE_P2P_GO)
+		return false;
+
+	/*
+	 * Allow only if there's a concurrent BSS
+	 */
+	list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
+		bool ret = cfg80211_dfs_permissive_check_wdev(rdev, iftype,
+							      wdev, chan);
+		if (ret)
+			return ret;
+	}
+
+	return false;
+}
+
 static int cfg80211_get_chans_dfs_required(struct wiphy *wiphy,
 					    u32 center_freq,
-					    u32 bandwidth)
+					    u32 bandwidth,
+					    enum nl80211_iftype iftype)
 {
 	struct ieee80211_channel *c;
 	u32 freq, start_freq, end_freq;
@@ -529,9 +604,11 @@ static int cfg80211_get_chans_dfs_required(struct wiphy *wiphy,
 		if (!c)
 			return -EINVAL;
 
-		if (c->flags & IEEE80211_CHAN_RADAR)
+		if (c->flags & IEEE80211_CHAN_RADAR &&
+		    !cfg80211_dfs_permissive_chan(wiphy, iftype, c))
 			return 1;
 	}
+
 	return 0;
 }
 
@@ -557,7 +634,7 @@ int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
 
 		ret = cfg80211_get_chans_dfs_required(wiphy,
 					ieee80211_chandef_to_khz(chandef),
-					width);
+					width, iftype);
 		if (ret < 0)
 			return ret;
 		else if (ret > 0)
@@ -568,7 +645,7 @@ int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
 
 		ret = cfg80211_get_chans_dfs_required(wiphy,
 					MHZ_TO_KHZ(chandef->center_freq2),
-					width);
+					width, iftype);
 		if (ret < 0)
 			return ret;
 		else if (ret > 0)
@@ -1336,15 +1413,19 @@ static bool _cfg80211_reg_can_beacon(struct wiphy *wiphy,
 				     bool check_no_ir)
 {
 	bool res;
-	u32 prohibited_flags = IEEE80211_CHAN_DISABLED |
-			       IEEE80211_CHAN_RADAR;
+	u32 prohibited_flags = IEEE80211_CHAN_DISABLED;
+	int dfs_required;
 
 	trace_cfg80211_reg_can_beacon(wiphy, chandef, iftype, check_no_ir);
 
 	if (check_no_ir)
 		prohibited_flags |= IEEE80211_CHAN_NO_IR;
 
-	if (cfg80211_chandef_dfs_required(wiphy, chandef, iftype) > 0 &&
+	dfs_required = cfg80211_chandef_dfs_required(wiphy, chandef, iftype);
+	if (dfs_required != 0)
+		prohibited_flags |= IEEE80211_CHAN_RADAR;
+
+	if (dfs_required > 0 &&
 	    cfg80211_chandef_dfs_available(wiphy, chandef)) {
 		/* We can skip IEEE80211_CHAN_NO_IR if chandef dfs available */
 		prohibited_flags = IEEE80211_CHAN_DISABLED;
diff --git a/net/wireless/core.h b/net/wireless/core.h
index cb61d33d4..13657a85c 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -3,7 +3,7 @@
  * Wireless configuration interface internals.
  *
  * Copyright 2006-2010	Johannes Berg <johannes@sipsolutions.net>
- * Copyright (C) 2018-2022 Intel Corporation
+ * Copyright (C) 2018-2023 Intel Corporation
  */
 #ifndef __NET_WIRELESS_CORE_H
 #define __NET_WIRELESS_CORE_H
@@ -458,6 +458,9 @@ int cfg80211_scan(struct cfg80211_registered_device *rdev);
 
 extern struct work_struct cfg80211_disconnect_work;
 
+#define NL80211_BSS_USE_FOR_ALL	(NL80211_BSS_USE_FOR_NORMAL | \
+				 NL80211_BSS_USE_FOR_MLD_LINK)
+
 void cfg80211_set_dfs_state(struct wiphy *wiphy,
 			    const struct cfg80211_chan_def *chandef,
 			    enum nl80211_dfs_state dfs_state);
@@ -546,4 +549,15 @@ int cfg80211_remove_virtual_intf(struct cfg80211_registered_device *rdev,
 				 struct wireless_dev *wdev);
 void cfg80211_wdev_release_link_bsses(struct wireless_dev *wdev, u16 link_mask);
 
+#if IS_ENABLED(CONFIG_CFG80211_KUNIT_TEST)
+#define EXPORT_SYMBOL_IF_CFG80211_KUNIT(sym) EXPORT_SYMBOL_IF_KUNIT(sym)
+#define VISIBLE_IF_CFG80211_KUNIT
+size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen,
+			   const u8 *subie, size_t subie_len,
+			   u8 *new_ie, size_t new_ie_len);
+#else
+#define EXPORT_SYMBOL_IF_CFG80211_KUNIT(sym)
+#define VISIBLE_IF_CFG80211_KUNIT static
+#endif /* IS_ENABLED(CONFIG_CFG80211_KUNIT_TEST) */
+
 #endif /* __NET_WIRELESS_CORE_H */
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index bad9e4fd8..f635a8b6c 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -22,7 +22,7 @@
 
 
 void cfg80211_rx_assoc_resp(struct net_device *dev,
-			    struct cfg80211_rx_assoc_resp_data *data)
+			    const struct cfg80211_rx_assoc_resp_data *data)
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 	struct wiphy *wiphy = wdev->wiphy;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index f853b5441..bd54a928b 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -818,6 +818,9 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
 	[NL80211_ATTR_HW_TIMESTAMP_ENABLED] = { .type = NLA_FLAG },
 	[NL80211_ATTR_EMA_RNR_ELEMS] = { .type = NLA_NESTED },
 	[NL80211_ATTR_MLO_LINK_DISABLED] = { .type = NLA_FLAG },
+	[NL80211_ATTR_BSS_DUMP_INCLUDE_USE_DATA] = { .type = NLA_FLAG },
+	[NL80211_ATTR_MLO_TTLM_DLINK] = NLA_POLICY_EXACT_LEN(sizeof(u16) * 8),
+	[NL80211_ATTR_MLO_TTLM_ULINK] = NLA_POLICY_EXACT_LEN(sizeof(u16) * 8),
 };
 
 /* policy for the key attributes */
@@ -1198,6 +1201,15 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
 		if ((chan->flags & IEEE80211_CHAN_NO_EHT) &&
 		    nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_EHT))
 			goto nla_put_failure;
+		if ((chan->flags & IEEE80211_CHAN_DFS_CONCURRENT) &&
+		    nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DFS_CONCURRENT))
+			goto nla_put_failure;
+		if ((chan->flags & IEEE80211_CHAN_NO_UHB_VLP_CLIENT) &&
+		    nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_UHB_VLP_CLIENT))
+			goto nla_put_failure;
+		if ((chan->flags & IEEE80211_CHAN_NO_UHB_AFC_CLIENT) &&
+		    nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_UHB_AFC_CLIENT))
+			goto nla_put_failure;
 	}
 
 	if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
@@ -4858,7 +4870,7 @@ static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy,
 		return ERR_PTR(n_entries);
 
 	if (n_entries > wiphy->max_acl_mac_addrs)
-		return ERR_PTR(-ENOTSUPP);
+		return ERR_PTR(-EOPNOTSUPP);
 
 	acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL);
 	if (!acl)
@@ -9345,6 +9357,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
 	else
 		eth_broadcast_addr(request->bssid);
 
+	request->tsf_report_link_id = nl80211_link_id_or_invalid(info->attrs);
 	request->wdev = wdev;
 	request->wiphy = &rdev->wiphy;
 	request->scan_start = jiffies;
@@ -10412,6 +10425,15 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
 		break;
 	}
 
+	if (nla_put_u32(msg, NL80211_BSS_USE_FOR, res->use_for))
+		goto nla_put_failure;
+
+	if (res->cannot_use_reasons &&
+	    nla_put_u64_64bit(msg, NL80211_BSS_CANNOT_USE_REASONS,
+			      res->cannot_use_reasons,
+			      NL80211_BSS_PAD))
+		goto nla_put_failure;
+
 	nla_nest_end(msg, bss);
 
 	genlmsg_end(msg, hdr);
@@ -10429,15 +10451,27 @@ static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
 	struct cfg80211_registered_device *rdev;
 	struct cfg80211_internal_bss *scan;
 	struct wireless_dev *wdev;
+	struct nlattr **attrbuf;
 	int start = cb->args[2], idx = 0;
+	bool dump_include_use_data;
 	int err;
 
-	err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, NULL);
-	if (err)
+	attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL);
+	if (!attrbuf)
+		return -ENOMEM;
+
+	err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev, attrbuf);
+	if (err) {
+		kfree(attrbuf);
 		return err;
+	}
 	/* nl80211_prepare_wdev_dump acquired it in the successful case */
 	__acquire(&rdev->wiphy.mtx);
 
+	dump_include_use_data =
+		attrbuf[NL80211_ATTR_BSS_DUMP_INCLUDE_USE_DATA];
+	kfree(attrbuf);
+
 	spin_lock_bh(&rdev->bss_lock);
 
 	/*
@@ -10454,6 +10488,9 @@ static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
 	list_for_each_entry(scan, &rdev->bss_list, list) {
 		if (++idx <= start)
 			continue;
+		if (!dump_include_use_data &&
+		    !(scan->pub.use_for & NL80211_BSS_USE_FOR_NORMAL))
+			continue;
 		if (nl80211_send_bss(skb, cb,
 				cb->nlh->nlmsg_seq, NLM_F_MULTI,
 				rdev, wdev, scan) < 0) {
@@ -10905,12 +10942,13 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
 
 static struct cfg80211_bss *nl80211_assoc_bss(struct cfg80211_registered_device *rdev,
 					      const u8 *ssid, int ssid_len,
-					      struct nlattr **attrs)
+					      struct nlattr **attrs,
+					      int assoc_link_id, int link_id)
 {
 	struct ieee80211_channel *chan;
 	struct cfg80211_bss *bss;
 	const u8 *bssid;
-	u32 freq;
+	u32 freq, use_for = 0;
 
 	if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_WIPHY_FREQ])
 		return ERR_PTR(-EINVAL);
@@ -10925,10 +10963,16 @@ static struct cfg80211_bss *nl80211_assoc_bss(struct cfg80211_registered_device
 	if (!chan)
 		return ERR_PTR(-EINVAL);
 
-	bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid,
-			       ssid, ssid_len,
-			       IEEE80211_BSS_TYPE_ESS,
-			       IEEE80211_PRIVACY_ANY);
+	if (assoc_link_id >= 0)
+		use_for = NL80211_BSS_USE_FOR_MLD_LINK;
+	if (assoc_link_id == link_id)
+		use_for |= NL80211_BSS_USE_FOR_NORMAL;
+
+	bss = __cfg80211_get_bss(&rdev->wiphy, chan, bssid,
+				 ssid, ssid_len,
+				 IEEE80211_BSS_TYPE_ESS,
+				 IEEE80211_PRIVACY_ANY,
+				 use_for);
 	if (!bss)
 		return ERR_PTR(-ENOENT);
 
@@ -11107,7 +11151,8 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
 				goto free;
 			}
 			req.links[link_id].bss =
-				nl80211_assoc_bss(rdev, ssid, ssid_len, attrs);
+				nl80211_assoc_bss(rdev, ssid, ssid_len, attrs,
+						  req.link_id, link_id);
 			if (IS_ERR(req.links[link_id].bss)) {
 				err = PTR_ERR(req.links[link_id].bss);
 				req.links[link_id].bss = NULL;
@@ -11172,7 +11217,8 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
 		if (req.link_id >= 0)
 			return -EINVAL;
 
-		req.bss = nl80211_assoc_bss(rdev, ssid, ssid_len, info->attrs);
+		req.bss = nl80211_assoc_bss(rdev, ssid, ssid_len, info->attrs,
+					    -1, -1);
 		if (IS_ERR(req.bss))
 			return PTR_ERR(req.bss);
 		ap_addr = req.bss->bssid;
@@ -12181,16 +12227,18 @@ static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
 	return err;
 }
 
-static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
+static int nl80211_set_pmksa(struct sk_buff *skb, struct genl_info *info)
 {
 	struct cfg80211_registered_device *rdev = info->user_ptr[0];
-	int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev,
-			struct cfg80211_pmksa *pmksa) = NULL;
 	struct net_device *dev = info->user_ptr[1];
 	struct cfg80211_pmksa pmksa;
+	bool ap_pmksa_caching_support = false;
 
 	memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
 
+	ap_pmksa_caching_support = wiphy_ext_feature_isset(&rdev->wiphy,
+		NL80211_EXT_FEATURE_AP_PMKSA_CACHING);
+
 	if (!info->attrs[NL80211_ATTR_PMKID])
 		return -EINVAL;
 
@@ -12199,16 +12247,15 @@ static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
 	if (info->attrs[NL80211_ATTR_MAC]) {
 		pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
 	} else if (info->attrs[NL80211_ATTR_SSID] &&
-		   info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
-		   (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA ||
-		    info->attrs[NL80211_ATTR_PMK])) {
+	           info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
+	           info->attrs[NL80211_ATTR_PMK]) {
 		pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
 		pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
-		pmksa.cache_id =
-			nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
+		pmksa.cache_id = nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
 	} else {
 		return -EINVAL;
 	}
+
 	if (info->attrs[NL80211_ATTR_PMK]) {
 		pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
 		pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
@@ -12220,32 +12267,71 @@ static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info)
 
 	if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD])
 		pmksa.pmk_reauth_threshold =
-			nla_get_u8(
-				info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
+			nla_get_u8(info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]);
 
 	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
 	    dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
-	    !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP &&
-	      wiphy_ext_feature_isset(&rdev->wiphy,
-				      NL80211_EXT_FEATURE_AP_PMKSA_CACHING)))
+	    !((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP ||
+	       dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) &&
+	       ap_pmksa_caching_support))
 		return -EOPNOTSUPP;
 
-	switch (info->genlhdr->cmd) {
-	case NL80211_CMD_SET_PMKSA:
-		rdev_ops = rdev->ops->set_pmksa;
-		break;
-	case NL80211_CMD_DEL_PMKSA:
-		rdev_ops = rdev->ops->del_pmksa;
-		break;
-	default:
-		WARN_ON(1);
-		break;
+	if (!rdev->ops->set_pmksa)
+		return -EOPNOTSUPP;
+
+	return rdev_set_pmksa(rdev, dev, &pmksa);
+}
+
+static int nl80211_del_pmksa(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *rdev = info->user_ptr[0];
+	struct net_device *dev = info->user_ptr[1];
+	struct cfg80211_pmksa pmksa;
+	bool sae_offload_support = false;
+	bool owe_offload_support = false;
+	bool ap_pmksa_caching_support = false;
+
+	memset(&pmksa, 0, sizeof(struct cfg80211_pmksa));
+
+	sae_offload_support = wiphy_ext_feature_isset(&rdev->wiphy,
+		NL80211_EXT_FEATURE_SAE_OFFLOAD);
+	owe_offload_support = wiphy_ext_feature_isset(&rdev->wiphy,
+		NL80211_EXT_FEATURE_OWE_OFFLOAD);
+	ap_pmksa_caching_support = wiphy_ext_feature_isset(&rdev->wiphy,
+		NL80211_EXT_FEATURE_AP_PMKSA_CACHING);
+
+	if (info->attrs[NL80211_ATTR_PMKID])
+		pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]);
+
+	if (info->attrs[NL80211_ATTR_MAC]) {
+		pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+	} else if (info->attrs[NL80211_ATTR_SSID]) {
+		/* SSID based pmksa flush suppported only for FILS,
+		 * OWE/SAE OFFLOAD cases
+		 */
+		if (info->attrs[NL80211_ATTR_FILS_CACHE_ID] &&
+		    info->attrs[NL80211_ATTR_PMK]) {
+			pmksa.cache_id = nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]);
+		} else if (!sae_offload_support && !owe_offload_support) {
+			return -EINVAL;
+		}
+		pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
+		pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
+	} else {
+		return -EINVAL;
 	}
 
-	if (!rdev_ops)
+	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+	    dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
+	    !((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP ||
+	       dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO) &&
+	       ap_pmksa_caching_support))
+		return -EOPNOTSUPP;
+
+	if (!rdev->ops->del_pmksa)
 		return -EOPNOTSUPP;
 
-	return rdev_ops(&rdev->wiphy, dev, &pmksa);
+	return rdev_del_pmksa(rdev, dev, &pmksa);
 }
 
 static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info)
@@ -15849,7 +15935,7 @@ static int parse_tid_conf(struct cfg80211_registered_device *rdev,
 
 	if (tid_conf->mask & ~mask) {
 		NL_SET_ERR_MSG(extack, "unsupported TID configuration");
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 	}
 
 	return 0;
@@ -16242,6 +16328,35 @@ static int nl80211_set_hw_timestamp(struct sk_buff *skb,
 	return rdev_set_hw_timestamp(rdev, dev, &hwts);
 }
 
+static int
+nl80211_set_ttlm(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_ttlm_params params = {};
+	struct cfg80211_registered_device *rdev = info->user_ptr[0];
+	struct net_device *dev = info->user_ptr[1];
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+	if (wdev->iftype != NL80211_IFTYPE_STATION &&
+	    wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
+		return -EOPNOTSUPP;
+
+	if (!wdev->connected)
+		return -ENOLINK;
+
+	if (!info->attrs[NL80211_ATTR_MLO_TTLM_DLINK] ||
+	    !info->attrs[NL80211_ATTR_MLO_TTLM_ULINK])
+		return -EINVAL;
+
+	nla_memcpy(params.dlink,
+		   info->attrs[NL80211_ATTR_MLO_TTLM_DLINK],
+		   sizeof(params.dlink));
+	nla_memcpy(params.ulink,
+		   info->attrs[NL80211_ATTR_MLO_TTLM_ULINK],
+		   sizeof(params.ulink));
+
+	return rdev_set_ttlm(rdev, dev, &params);
+}
+
 #define NL80211_FLAG_NEED_WIPHY		0x01
 #define NL80211_FLAG_NEED_NETDEV	0x02
 #define NL80211_FLAG_NEED_RTNL		0x04
@@ -16930,7 +17045,7 @@ static const struct genl_small_ops nl80211_small_ops[] = {
 	{
 		.cmd = NL80211_CMD_SET_PMKSA,
 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
-		.doit = nl80211_setdel_pmksa,
+		.doit = nl80211_set_pmksa,
 		.flags = GENL_UNS_ADMIN_PERM,
 		.internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
 					 NL80211_FLAG_CLEAR_SKB),
@@ -16938,7 +17053,7 @@ static const struct genl_small_ops nl80211_small_ops[] = {
 	{
 		.cmd = NL80211_CMD_DEL_PMKSA,
 		.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
-		.doit = nl80211_setdel_pmksa,
+		.doit = nl80211_del_pmksa,
 		.flags = GENL_UNS_ADMIN_PERM,
 		.internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
 	},
@@ -17423,6 +17538,12 @@ static const struct genl_small_ops nl80211_small_ops[] = {
 		.flags = GENL_UNS_ADMIN_PERM,
 		.internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
 	},
+	{
+		.cmd = NL80211_CMD_SET_TID_TO_LINK_MAPPING,
+		.doit = nl80211_set_ttlm,
+		.flags = GENL_UNS_ADMIN_PERM,
+		.internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
+	},
 };
 
 static struct genl_family nl80211_fam __ro_after_init = {
@@ -17754,21 +17875,29 @@ nla_put_failure:
 	nlmsg_free(msg);
 }
 
+struct nl80211_mlme_event {
+	enum nl80211_commands cmd;
+	const u8 *buf;
+	size_t buf_len;
+	int uapsd_queues;
+	const u8 *req_ies;
+	size_t req_ies_len;
+	bool reconnect;
+};
+
 static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
 				    struct net_device *netdev,
-				    const u8 *buf, size_t len,
-				    enum nl80211_commands cmd, gfp_t gfp,
-				    int uapsd_queues, const u8 *req_ies,
-				    size_t req_ies_len, bool reconnect)
+				    const struct nl80211_mlme_event *event,
+				    gfp_t gfp)
 {
 	struct sk_buff *msg;
 	void *hdr;
 
-	msg = nlmsg_new(100 + len + req_ies_len, gfp);
+	msg = nlmsg_new(100 + event->buf_len + event->req_ies_len, gfp);
 	if (!msg)
 		return;
 
-	hdr = nl80211hdr_put(msg, 0, 0, 0, cmd);
+	hdr = nl80211hdr_put(msg, 0, 0, 0, event->cmd);
 	if (!hdr) {
 		nlmsg_free(msg);
 		return;
@@ -17776,22 +17905,24 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
 
 	if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
 	    nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
-	    nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
-	    (req_ies &&
-	     nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies)))
+	    nla_put(msg, NL80211_ATTR_FRAME, event->buf_len, event->buf) ||
+	    (event->req_ies &&
+	     nla_put(msg, NL80211_ATTR_REQ_IE, event->req_ies_len,
+		     event->req_ies)))
 		goto nla_put_failure;
 
-	if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
+	if (event->reconnect &&
+	    nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED))
 		goto nla_put_failure;
 
-	if (uapsd_queues >= 0) {
+	if (event->uapsd_queues >= 0) {
 		struct nlattr *nla_wmm =
 			nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME);
 		if (!nla_wmm)
 			goto nla_put_failure;
 
 		if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
-			       uapsd_queues))
+			       event->uapsd_queues))
 			goto nla_put_failure;
 
 		nla_nest_end(msg, nla_wmm);
@@ -17811,37 +17942,60 @@ void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
 			  struct net_device *netdev, const u8 *buf,
 			  size_t len, gfp_t gfp)
 {
-	nl80211_send_mlme_event(rdev, netdev, buf, len,
-				NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0,
-				false);
+	struct nl80211_mlme_event event = {
+		.cmd = NL80211_CMD_AUTHENTICATE,
+		.buf = buf,
+		.buf_len = len,
+		.uapsd_queues = -1,
+	};
+
+	nl80211_send_mlme_event(rdev, netdev, &event, gfp);
 }
 
 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
 			   struct net_device *netdev,
-			   struct cfg80211_rx_assoc_resp_data *data)
+			   const struct cfg80211_rx_assoc_resp_data *data)
 {
-	nl80211_send_mlme_event(rdev, netdev, data->buf, data->len,
-				NL80211_CMD_ASSOCIATE, GFP_KERNEL,
-				data->uapsd_queues,
-				data->req_ies, data->req_ies_len, false);
+	struct nl80211_mlme_event event = {
+		.cmd = NL80211_CMD_ASSOCIATE,
+		.buf = data->buf,
+		.buf_len = data->len,
+		.uapsd_queues = data->uapsd_queues,
+		.req_ies = data->req_ies,
+		.req_ies_len = data->req_ies_len,
+	};
+
+	nl80211_send_mlme_event(rdev, netdev, &event, GFP_KERNEL);
 }
 
 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
 			 struct net_device *netdev, const u8 *buf,
 			 size_t len, bool reconnect, gfp_t gfp)
 {
-	nl80211_send_mlme_event(rdev, netdev, buf, len,
-				NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0,
-				reconnect);
+	struct nl80211_mlme_event event = {
+		.cmd = NL80211_CMD_DEAUTHENTICATE,
+		.buf = buf,
+		.buf_len = len,
+		.reconnect = reconnect,
+		.uapsd_queues = -1,
+	};
+
+	nl80211_send_mlme_event(rdev, netdev, &event, gfp);
 }
 
 void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
 			   struct net_device *netdev, const u8 *buf,
 			   size_t len, bool reconnect, gfp_t gfp)
 {
-	nl80211_send_mlme_event(rdev, netdev, buf, len,
-				NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0,
-				reconnect);
+	struct nl80211_mlme_event event = {
+		.cmd = NL80211_CMD_DISASSOCIATE,
+		.buf = buf,
+		.buf_len = len,
+		.reconnect = reconnect,
+		.uapsd_queues = -1,
+	};
+
+	nl80211_send_mlme_event(rdev, netdev, &event, gfp);
 }
 
 void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
@@ -17851,28 +18005,31 @@ void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
 	struct wiphy *wiphy = wdev->wiphy;
 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
 	const struct ieee80211_mgmt *mgmt = (void *)buf;
-	u32 cmd;
+	struct nl80211_mlme_event event = {
+		.buf = buf,
+		.buf_len = len,
+		.uapsd_queues = -1,
+	};
 
 	if (WARN_ON(len < 2))
 		return;
 
 	if (ieee80211_is_deauth(mgmt->frame_control)) {
-		cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
+		event.cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
 	} else if (ieee80211_is_disassoc(mgmt->frame_control)) {
-		cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
+		event.cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
 	} else if (ieee80211_is_beacon(mgmt->frame_control)) {
 		if (wdev->unprot_beacon_reported &&
 		    elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
 			return;
-		cmd = NL80211_CMD_UNPROT_BEACON;
+		event.cmd = NL80211_CMD_UNPROT_BEACON;
 		wdev->unprot_beacon_reported = jiffies;
 	} else {
 		return;
 	}
 
 	trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
-	nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
-				NULL, 0, false);
+	nl80211_send_mlme_event(rdev, dev, &event, GFP_ATOMIC);
 }
 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt);
 
@@ -19326,6 +19483,7 @@ void cfg80211_ch_switch_notify(struct net_device *dev,
 		break;
 	}
 
+	cfg80211_schedule_channels_check(wdev);
 	cfg80211_sched_dfs_chan_update(rdev);
 
 	nl80211_ch_switch_notify(rdev, dev, link_id, chandef, GFP_KERNEL,
@@ -20083,6 +20241,20 @@ nla_put_failure:
 }
 EXPORT_SYMBOL(cfg80211_update_owe_info_event);
 
+void cfg80211_schedule_channels_check(struct wireless_dev *wdev)
+{
+	struct wiphy *wiphy = wdev->wiphy;
+
+	/* Schedule channels check if NO_IR or DFS relaxations are supported */
+	if (wdev->iftype == NL80211_IFTYPE_STATION &&
+	    (wiphy_ext_feature_isset(wiphy,
+				     NL80211_EXT_FEATURE_DFS_CONCURRENT) ||
+	    (IS_ENABLED(CONFIG_CFG80211_REG_RELAX_NO_IR) &&
+	     wiphy->regulatory_flags & REGULATORY_ENABLE_RELAX_NO_IR)))
+		reg_check_channels();
+}
+EXPORT_SYMBOL(cfg80211_schedule_channels_check);
+
 /* initialisation/exit functions */
 
 int __init nl80211_init(void)
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index aad40240d..6376f3a87 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -60,7 +60,7 @@ void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
 			  const u8 *buf, size_t len, gfp_t gfp);
 void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
 			   struct net_device *netdev,
-			   struct cfg80211_rx_assoc_resp_data *data);
+			   const struct cfg80211_rx_assoc_resp_data *data);
 void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
 			 struct net_device *netdev,
 			 const u8 *buf, size_t len,
diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h
index 2214a90cf..43897a526 100644
--- a/net/wireless/rdev-ops.h
+++ b/net/wireless/rdev-ops.h
@@ -1046,7 +1046,7 @@ rdev_nan_change_conf(struct cfg80211_registered_device *rdev,
 		ret = rdev->ops->nan_change_conf(&rdev->wiphy, wdev, conf,
 						 changes);
 	else
-		ret = -ENOTSUPP;
+		ret = -EOPNOTSUPP;
 	trace_rdev_return_int(&rdev->wiphy, ret);
 	return ret;
 }
@@ -1200,7 +1200,7 @@ rdev_start_radar_detection(struct cfg80211_registered_device *rdev,
 			   struct cfg80211_chan_def *chandef,
 			   u32 cac_time_ms)
 {
-	int ret = -ENOTSUPP;
+	int ret = -EOPNOTSUPP;
 
 	trace_rdev_start_radar_detection(&rdev->wiphy, dev, chandef,
 					 cac_time_ms);
@@ -1226,7 +1226,7 @@ rdev_set_mcast_rate(struct cfg80211_registered_device *rdev,
 		    struct net_device *dev,
 		    int mcast_rate[NUM_NL80211_BANDS])
 {
-	int ret = -ENOTSUPP;
+	int ret = -EOPNOTSUPP;
 
 	trace_rdev_set_mcast_rate(&rdev->wiphy, dev, mcast_rate);
 	if (rdev->ops->set_mcast_rate)
@@ -1239,7 +1239,7 @@ static inline int
 rdev_set_coalesce(struct cfg80211_registered_device *rdev,
 		  struct cfg80211_coalesce *coalesce)
 {
-	int ret = -ENOTSUPP;
+	int ret = -EOPNOTSUPP;
 
 	trace_rdev_set_coalesce(&rdev->wiphy, coalesce);
 	if (rdev->ops->set_coalesce)
@@ -1524,4 +1524,22 @@ rdev_set_hw_timestamp(struct cfg80211_registered_device *rdev,
 
 	return ret;
 }
+
+static inline int
+rdev_set_ttlm(struct cfg80211_registered_device *rdev,
+	      struct net_device *dev,
+	      struct cfg80211_ttlm_params *params)
+{
+	struct wiphy *wiphy = &rdev->wiphy;
+	int ret;
+
+	if (!rdev->ops->set_ttlm)
+		return -EOPNOTSUPP;
+
+	trace_rdev_set_ttlm(wiphy, dev, params);
+	ret = rdev->ops->set_ttlm(wiphy, dev, params);
+	trace_rdev_return_int(wiphy, ret);
+
+	return ret;
+}
 #endif /* __CFG80211_RDEV_OPS */
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 2ef4f6cc7..2741b6269 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1593,6 +1593,12 @@ static u32 map_regdom_flags(u32 rd_flags)
 		channel_flags |= IEEE80211_CHAN_NO_320MHZ;
 	if (rd_flags & NL80211_RRF_NO_EHT)
 		channel_flags |= IEEE80211_CHAN_NO_EHT;
+	if (rd_flags & NL80211_RRF_DFS_CONCURRENT)
+		channel_flags |= IEEE80211_CHAN_DFS_CONCURRENT;
+	if (rd_flags & NL80211_RRF_NO_UHB_VLP_CLIENT)
+		channel_flags |= IEEE80211_CHAN_NO_UHB_VLP_CLIENT;
+	if (rd_flags & NL80211_RRF_NO_UHB_AFC_CLIENT)
+		channel_flags |= IEEE80211_CHAN_NO_UHB_AFC_CLIENT;
 	if (rd_flags & NL80211_RRF_PSD)
 		channel_flags |= IEEE80211_CHAN_PSD;
 	return channel_flags;
@@ -2478,7 +2484,7 @@ static void reg_check_chans_work(struct work_struct *work)
 	rtnl_unlock();
 }
 
-static void reg_check_channels(void)
+void reg_check_channels(void)
 {
 	/*
 	 * Give usermode a chance to do something nicer (move to another
diff --git a/net/wireless/reg.h b/net/wireless/reg.h
index a703e53c2..a02ef5609 100644
--- a/net/wireless/reg.h
+++ b/net/wireless/reg.h
@@ -181,6 +181,11 @@ bool reg_dfs_domain_same(struct wiphy *wiphy1, struct wiphy *wiphy2);
  */
 int reg_reload_regdb(void);
 
+/**
+ * reg_check_channels - schedule regulatory enforcement
+ */
+void reg_check_channels(void);
+
 extern const u8 shipped_regdb_certs[];
 extern unsigned int shipped_regdb_certs_len;
 extern const u8 extra_regdb_certs[];
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 3f49f5c69..f138f88be 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -20,6 +20,7 @@
 #include <net/cfg80211.h>
 #include <net/cfg80211-wext.h>
 #include <net/iw_handler.h>
+#include <kunit/visibility.h>
 #include "core.h"
 #include "nl80211.h"
 #include "wext-compat.h"
@@ -303,9 +304,10 @@ static size_t cfg80211_copy_elem_with_frags(const struct element *elem,
 	return *pos - buf;
 }
 
-static size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen,
-				  const u8 *subie, size_t subie_len,
-				  u8 *new_ie, size_t new_ie_len)
+VISIBLE_IF_CFG80211_KUNIT size_t
+cfg80211_gen_new_ie(const u8 *ie, size_t ielen,
+		    const u8 *subie, size_t subie_len,
+		    u8 *new_ie, size_t new_ie_len)
 {
 	const struct element *non_inherit_elem, *parent, *sub;
 	u8 *pos = new_ie;
@@ -413,6 +415,7 @@ static size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen,
 
 	return pos - new_ie;
 }
+EXPORT_SYMBOL_IF_CFG80211_KUNIT(cfg80211_gen_new_ie);
 
 static bool is_bss(struct cfg80211_bss *a, const u8 *bssid,
 		   const u8 *ssid, size_t ssid_len)
@@ -1535,12 +1538,13 @@ static bool cfg80211_bss_type_match(u16 capability,
 }
 
 /* Returned bss is reference counted and must be cleaned up appropriately. */
-struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
-				      struct ieee80211_channel *channel,
-				      const u8 *bssid,
-				      const u8 *ssid, size_t ssid_len,
-				      enum ieee80211_bss_type bss_type,
-				      enum ieee80211_privacy privacy)
+struct cfg80211_bss *__cfg80211_get_bss(struct wiphy *wiphy,
+					struct ieee80211_channel *channel,
+					const u8 *bssid,
+					const u8 *ssid, size_t ssid_len,
+					enum ieee80211_bss_type bss_type,
+					enum ieee80211_privacy privacy,
+					u32 use_for)
 {
 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
 	struct cfg80211_internal_bss *bss, *res = NULL;
@@ -1565,6 +1569,8 @@ struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
 			continue;
 		if (!is_valid_ether_addr(bss->pub.bssid))
 			continue;
+		if ((bss->pub.use_for & use_for) != use_for)
+			continue;
 		/* Don't get expired BSS structs */
 		if (time_after(now, bss->ts + IEEE80211_SCAN_RESULT_EXPIRE) &&
 		    !atomic_read(&bss->hold))
@@ -1582,7 +1588,7 @@ struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
 	trace_cfg80211_return_bss(&res->pub);
 	return &res->pub;
 }
-EXPORT_SYMBOL(cfg80211_get_bss);
+EXPORT_SYMBOL(__cfg80211_get_bss);
 
 static void rb_insert_bss(struct cfg80211_registered_device *rdev,
 			  struct cfg80211_internal_bss *bss)
@@ -1859,6 +1865,8 @@ cfg80211_update_known_bss(struct cfg80211_registered_device *rdev,
 	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;
+	known->pub.use_for &= new->pub.use_for;
+	known->pub.cannot_use_reasons = new->pub.cannot_use_reasons;
 
 	return true;
 }
@@ -1870,15 +1878,15 @@ __cfg80211_bss_update(struct cfg80211_registered_device *rdev,
 		      bool signal_valid, unsigned long ts)
 {
 	struct cfg80211_internal_bss *found = NULL;
+	struct cfg80211_bss_ies *ies;
 
 	if (WARN_ON(!tmp->pub.channel))
-		return NULL;
+		goto free_ies;
 
 	tmp->ts = ts;
 
-	if (WARN_ON(!rcu_access_pointer(tmp->pub.ies))) {
-		return NULL;
-	}
+	if (WARN_ON(!rcu_access_pointer(tmp->pub.ies)))
+		goto free_ies;
 
 	found = rb_find_bss(rdev, tmp, BSS_CMP_REGULAR);
 
@@ -1888,7 +1896,6 @@ __cfg80211_bss_update(struct cfg80211_registered_device *rdev,
 	} else {
 		struct cfg80211_internal_bss *new;
 		struct cfg80211_internal_bss *hidden;
-		struct cfg80211_bss_ies *ies;
 
 		/*
 		 * create a copy -- the "res" variable that is passed in
@@ -1897,15 +1904,8 @@ __cfg80211_bss_update(struct cfg80211_registered_device *rdev,
 		 */
 		new = kzalloc(sizeof(*new) + rdev->wiphy.bss_priv_size,
 			      GFP_ATOMIC);
-		if (!new) {
-			ies = (void *)rcu_dereference(tmp->pub.beacon_ies);
-			if (ies)
-				kfree_rcu(ies, rcu_head);
-			ies = (void *)rcu_dereference(tmp->pub.proberesp_ies);
-			if (ies)
-				kfree_rcu(ies, rcu_head);
-			return NULL;
-		}
+		if (!new)
+			goto free_ies;
 		memcpy(new, tmp, sizeof(*new));
 		new->refcount = 1;
 		INIT_LIST_HEAD(&new->hidden_list);
@@ -1965,6 +1965,16 @@ __cfg80211_bss_update(struct cfg80211_registered_device *rdev,
 	bss_ref_get(rdev, found);
 
 	return found;
+
+free_ies:
+	ies = (void *)rcu_dereference(tmp->pub.beacon_ies);
+	if (ies)
+		kfree_rcu(ies, rcu_head);
+	ies = (void *)rcu_dereference(tmp->pub.proberesp_ies);
+	if (ies)
+		kfree_rcu(ies, rcu_head);
+
+	return NULL;
 }
 
 struct cfg80211_internal_bss *
@@ -2107,6 +2117,9 @@ struct cfg80211_inform_single_bss_data {
 	struct cfg80211_bss *source_bss;
 	u8 max_bssid_indicator;
 	u8 bssid_index;
+
+	u8 use_for;
+	u64 cannot_use_reasons;
 };
 
 /* Returned bss is reference counted and must be cleaned up appropriately. */
@@ -2152,6 +2165,8 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy,
 	tmp.ts_boottime = drv_data->boottime_ns;
 	tmp.parent_tsf = drv_data->parent_tsf;
 	ether_addr_copy(tmp.parent_bssid, drv_data->parent_bssid);
+	tmp.pub.use_for = data->use_for;
+	tmp.pub.cannot_use_reasons = data->cannot_use_reasons;
 
 	if (data->bss_source != BSS_SOURCE_DIRECT) {
 		tmp.pub.transmitted_bss = data->source_bss;
@@ -2322,6 +2337,8 @@ cfg80211_parse_mbssid_data(struct wiphy *wiphy,
 		.beacon_interval = tx_data->beacon_interval,
 		.source_bss = source_bss,
 		.bss_source = BSS_SOURCE_MBSSID,
+		.use_for = tx_data->use_for,
+		.cannot_use_reasons = tx_data->cannot_use_reasons,
 	};
 	const u8 *mbssid_index_ie;
 	const struct element *elem, *sub;
@@ -2584,10 +2601,10 @@ error:
 	return NULL;
 }
 
-static bool
-cfg80211_tbtt_info_for_mld_ap(const u8 *ie, size_t ielen, u8 mld_id, u8 link_id,
-			      const struct ieee80211_neighbor_ap_info **ap_info,
-			      const u8 **tbtt_info)
+static u8
+cfg80211_rnr_info_for_mld_ap(const u8 *ie, size_t ielen, u8 mld_id, u8 link_id,
+			     const struct ieee80211_neighbor_ap_info **ap_info,
+			     u8 *param_ch_count)
 {
 	const struct ieee80211_neighbor_ap_info *info;
 	const struct element *rnr;
@@ -2603,6 +2620,7 @@ cfg80211_tbtt_info_for_mld_ap(const u8 *ie, size_t ielen, u8 mld_id, u8 link_id,
 			u16 params;
 			u8 length, i, count, mld_params_offset;
 			u8 type, lid;
+			u32 use_for;
 
 			info = (void *)pos;
 			count = u8_get_bits(info->tbtt_info_hdr,
@@ -2612,20 +2630,22 @@ cfg80211_tbtt_info_for_mld_ap(const u8 *ie, size_t ielen, u8 mld_id, u8 link_id,
 			pos += sizeof(*info);
 
 			if (count * length > end - pos)
-				return false;
+				return 0;
 
 			type = u8_get_bits(info->tbtt_info_hdr,
 					   IEEE80211_AP_INFO_TBTT_HDR_TYPE);
 
-			/* Only accept full TBTT information. NSTR mobile APs
-			 * use the shortened version, but we ignore them here.
-			 */
 			if (type == IEEE80211_TBTT_INFO_TYPE_TBTT &&
 			    length >=
 			    offsetofend(struct ieee80211_tbtt_info_ge_11,
 					mld_params)) {
 				mld_params_offset =
 					offsetof(struct ieee80211_tbtt_info_ge_11, mld_params);
+				use_for = NL80211_BSS_USE_FOR_ALL;
+			} else if (type == IEEE80211_TBTT_INFO_TYPE_MLD &&
+				   length >= sizeof(struct ieee80211_rnr_mld_params)) {
+				mld_params_offset = 0;
+				use_for = NL80211_BSS_USE_FOR_MLD_LINK;
 			} else {
 				pos += count * length;
 				continue;
@@ -2641,9 +2661,11 @@ cfg80211_tbtt_info_for_mld_ap(const u8 *ie, size_t ielen, u8 mld_id, u8 link_id,
 				if (mld_id == mld_params->mld_id &&
 				    link_id == lid) {
 					*ap_info = info;
-					*tbtt_info = pos;
+					*param_ch_count =
+						le16_get_bits(mld_params->params,
+							      IEEE80211_RNR_MLD_PARAMS_BSS_CHANGE_COUNT);
 
-					return true;
+					return use_for;
 				}
 
 				pos += length;
@@ -2651,7 +2673,104 @@ cfg80211_tbtt_info_for_mld_ap(const u8 *ie, size_t ielen, u8 mld_id, u8 link_id,
 		}
 	}
 
-	return false;
+	return 0;
+}
+
+static struct element *
+cfg80211_gen_reporter_rnr(struct cfg80211_bss *source_bss, bool is_mbssid,
+			  bool same_mld, u8 link_id, u8 bss_change_count,
+			  gfp_t gfp)
+{
+	const struct cfg80211_bss_ies *ies;
+	struct ieee80211_neighbor_ap_info ap_info;
+	struct ieee80211_tbtt_info_ge_11 tbtt_info;
+	u32 short_ssid;
+	const struct element *elem;
+	struct element *res;
+
+	/*
+	 * We only generate the RNR to permit ML lookups. For that we do not
+	 * need an entry for the corresponding transmitting BSS, lets just skip
+	 * it even though it would be easy to add.
+	 */
+	if (!same_mld)
+		return NULL;
+
+	/* We could use tx_data->ies if we change cfg80211_calc_short_ssid */
+	rcu_read_lock();
+	ies = rcu_dereference(source_bss->ies);
+
+	ap_info.tbtt_info_len = offsetofend(typeof(tbtt_info), mld_params);
+	ap_info.tbtt_info_hdr =
+			u8_encode_bits(IEEE80211_TBTT_INFO_TYPE_TBTT,
+				       IEEE80211_AP_INFO_TBTT_HDR_TYPE) |
+			u8_encode_bits(0, IEEE80211_AP_INFO_TBTT_HDR_COUNT);
+
+	ap_info.channel = ieee80211_frequency_to_channel(source_bss->channel->center_freq);
+
+	/* operating class */
+	elem = cfg80211_find_elem(WLAN_EID_SUPPORTED_REGULATORY_CLASSES,
+				  ies->data, ies->len);
+	if (elem && elem->datalen >= 1) {
+		ap_info.op_class = elem->data[0];
+	} else {
+		struct cfg80211_chan_def chandef;
+
+		/* The AP is not providing us with anything to work with. So
+		 * make up a somewhat reasonable operating class, but don't
+		 * bother with it too much as no one will ever use the
+		 * information.
+		 */
+		cfg80211_chandef_create(&chandef, source_bss->channel,
+					NL80211_CHAN_NO_HT);
+
+		if (!ieee80211_chandef_to_operating_class(&chandef,
+							  &ap_info.op_class))
+			goto out_unlock;
+	}
+
+	/* Just set TBTT offset and PSD 20 to invalid/unknown */
+	tbtt_info.tbtt_offset = 255;
+	tbtt_info.psd_20 = IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED;
+
+	memcpy(tbtt_info.bssid, source_bss->bssid, ETH_ALEN);
+	if (cfg80211_calc_short_ssid(ies, &elem, &short_ssid))
+		goto out_unlock;
+
+	rcu_read_unlock();
+
+	tbtt_info.short_ssid = cpu_to_le32(short_ssid);
+
+	tbtt_info.bss_params = IEEE80211_RNR_TBTT_PARAMS_SAME_SSID;
+
+	if (is_mbssid) {
+		tbtt_info.bss_params |= IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID;
+		tbtt_info.bss_params |= IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID;
+	}
+
+	tbtt_info.mld_params.mld_id = 0;
+	tbtt_info.mld_params.params =
+		le16_encode_bits(link_id, IEEE80211_RNR_MLD_PARAMS_LINK_ID) |
+		le16_encode_bits(bss_change_count,
+				 IEEE80211_RNR_MLD_PARAMS_BSS_CHANGE_COUNT);
+
+	res = kzalloc(struct_size(res, data,
+				  sizeof(ap_info) + ap_info.tbtt_info_len),
+		      gfp);
+	if (!res)
+		return NULL;
+
+	/* Copy the data */
+	res->id = WLAN_EID_REDUCED_NEIGHBOR_REPORT;
+	res->datalen = sizeof(ap_info) + ap_info.tbtt_info_len;
+	memcpy(res->data, &ap_info, sizeof(ap_info));
+	memcpy(res->data + sizeof(ap_info), &tbtt_info, ap_info.tbtt_info_len);
+
+	return res;
+
+out_unlock:
+	rcu_read_unlock();
+	return NULL;
 }
 
 static void
@@ -2667,12 +2786,14 @@ cfg80211_parse_ml_elem_sta_data(struct wiphy *wiphy,
 		.source_bss = source_bss,
 		.bss_source = BSS_SOURCE_STA_PROFILE,
 	};
+	struct element *reporter_rnr = NULL;
 	struct ieee80211_multi_link_elem *ml_elem;
 	struct cfg80211_mle *mle;
 	u16 control;
-	u8 *new_ie;
+	u8 ml_common_len;
+	u8 *new_ie = NULL;
 	struct cfg80211_bss *bss;
-	int mld_id;
+	u8 mld_id, reporter_link_id, bss_change_count;
 	u16 seen_links = 0;
 	const u8 *pos;
 	u8 i;
@@ -2692,8 +2813,16 @@ cfg80211_parse_ml_elem_sta_data(struct wiphy *wiphy,
 	    !(control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP))
 		return;
 
-	/* length + MLD MAC address + link ID info + BSS Params Change Count */
-	pos = ml_elem->variable + 1 + 6 + 1 + 1;
+	ml_common_len = ml_elem->variable[0];
+
+	/* length + MLD MAC address */
+	pos = ml_elem->variable + 1 + 6;
+
+	reporter_link_id = pos[0];
+	pos += 1;
+
+	bss_change_count = pos[0];
+	pos += 1;
 
 	if (u16_get_bits(control, IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY))
 		pos += 2;
@@ -2724,18 +2853,29 @@ cfg80211_parse_ml_elem_sta_data(struct wiphy *wiphy,
 	if (!mle)
 		return;
 
+	/* No point in doing anything if there is no per-STA profile */
+	if (!mle->sta_prof[0])
+		goto out;
+
 	new_ie = kmalloc(IEEE80211_MAX_DATA_LEN, gfp);
 	if (!new_ie)
 		goto out;
 
+	reporter_rnr = cfg80211_gen_reporter_rnr(source_bss,
+						 u16_get_bits(control,
+							      IEEE80211_MLC_BASIC_PRES_MLD_ID),
+						 mld_id == 0, reporter_link_id,
+						 bss_change_count,
+						 gfp);
+
 	for (i = 0; i < ARRAY_SIZE(mle->sta_prof) && mle->sta_prof[i]; i++) {
 		const struct ieee80211_neighbor_ap_info *ap_info;
 		enum nl80211_band band;
 		u32 freq;
 		const u8 *profile;
-		const u8 *tbtt_info;
 		ssize_t profile_len;
-		u8 link_id;
+		u8 param_ch_count;
+		u8 link_id, use_for;
 
 		if (!ieee80211_mle_basic_sta_prof_size_ok((u8 *)mle->sta_prof[i],
 							  mle->sta_prof_len[i]))
@@ -2777,9 +2917,12 @@ cfg80211_parse_ml_elem_sta_data(struct wiphy *wiphy,
 		profile_len -= 2;
 
 		/* Find in RNR to look up channel information */
-		if (!cfg80211_tbtt_info_for_mld_ap(tx_data->ie, tx_data->ielen,
-						   mld_id, link_id,
-						   &ap_info, &tbtt_info))
+		use_for = cfg80211_rnr_info_for_mld_ap(tx_data->ie,
+						       tx_data->ielen,
+						       mld_id, link_id,
+						       &ap_info,
+						       &param_ch_count);
+		if (!use_for)
 			continue;
 
 		/* We could sanity check the BSSID is included */
@@ -2791,6 +2934,14 @@ cfg80211_parse_ml_elem_sta_data(struct wiphy *wiphy,
 		freq = ieee80211_channel_to_freq_khz(ap_info->channel, band);
 		data.channel = ieee80211_get_channel_khz(wiphy, freq);
 
+		if (use_for == NL80211_BSS_USE_FOR_MLD_LINK &&
+		    !(wiphy->flags & WIPHY_FLAG_SUPPORTS_NSTR_NONPRIMARY)) {
+			use_for = 0;
+			data.cannot_use_reasons =
+				NL80211_BSS_CANNOT_USE_NSTR_NONPRIMARY;
+		}
+		data.use_for = use_for;
+
 		/* Generate new elements */
 		memset(new_ie, 0, IEEE80211_MAX_DATA_LEN);
 		data.ie = new_ie;
@@ -2801,6 +2952,46 @@ cfg80211_parse_ml_elem_sta_data(struct wiphy *wiphy,
 		if (!data.ielen)
 			continue;
 
+		/* The generated elements do not contain:
+		 *  - Basic ML element
+		 *  - A TBTT entry in the RNR for the transmitting AP
+		 *
+		 * This information is needed both internally and in userspace
+		 * as such, we should append it here.
+		 */
+		if (data.ielen + 3 + sizeof(*ml_elem) + ml_common_len >
+		    IEEE80211_MAX_DATA_LEN)
+			continue;
+
+		/* Copy the Basic Multi-Link element including the common
+		 * information, and then fix up the link ID and BSS param
+		 * change count.
+		 * Note that the ML element length has been verified and we
+		 * also checked that it contains the link ID.
+		 */
+		new_ie[data.ielen++] = WLAN_EID_EXTENSION;
+		new_ie[data.ielen++] = 1 + sizeof(*ml_elem) + ml_common_len;
+		new_ie[data.ielen++] = WLAN_EID_EXT_EHT_MULTI_LINK;
+		memcpy(new_ie + data.ielen, ml_elem,
+		       sizeof(*ml_elem) + ml_common_len);
+
+		new_ie[data.ielen + sizeof(*ml_elem) + 1 + ETH_ALEN] = link_id;
+		new_ie[data.ielen + sizeof(*ml_elem) + 1 + ETH_ALEN + 1] =
+			param_ch_count;
+
+		data.ielen += sizeof(*ml_elem) + ml_common_len;
+
+		if (reporter_rnr && (use_for & NL80211_BSS_USE_FOR_NORMAL)) {
+			if (data.ielen + sizeof(struct element) +
+			    reporter_rnr->datalen > IEEE80211_MAX_DATA_LEN)
+				continue;
+
+			memcpy(new_ie + data.ielen, reporter_rnr,
+			       sizeof(struct element) + reporter_rnr->datalen);
+			data.ielen += sizeof(struct element) +
+				      reporter_rnr->datalen;
+		}
+
 		bss = cfg80211_inform_single_bss_data(wiphy, &data, gfp);
 		if (!bss)
 			break;
@@ -2808,6 +2999,7 @@ cfg80211_parse_ml_elem_sta_data(struct wiphy *wiphy,
 	}
 
 out:
+	kfree(reporter_rnr);
 	kfree(new_ie);
 	kfree(mle);
 }
@@ -2847,6 +3039,10 @@ cfg80211_inform_bss_data(struct wiphy *wiphy,
 		.beacon_interval = beacon_interval,
 		.ie = ie,
 		.ielen = ielen,
+		.use_for = data->restrict_use ?
+				data->use_for :
+				NL80211_BSS_USE_FOR_ALL,
+		.cannot_use_reasons = data->cannot_use_reasons,
 	};
 	struct cfg80211_bss *res;
 
@@ -2864,6 +3060,36 @@ cfg80211_inform_bss_data(struct wiphy *wiphy,
 }
 EXPORT_SYMBOL(cfg80211_inform_bss_data);
 
+static bool cfg80211_uhb_power_type_valid(const u8 *ie,
+					  size_t ielen,
+					  const u32 flags)
+{
+	const struct element *tmp;
+	struct ieee80211_he_operation *he_oper;
+
+	tmp = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_OPERATION, ie, ielen);
+	if (tmp && tmp->datalen >= sizeof(*he_oper) + 1) {
+		const struct ieee80211_he_6ghz_oper *he_6ghz_oper;
+
+		he_oper = (void *)&tmp->data[1];
+		he_6ghz_oper = ieee80211_he_6ghz_oper(he_oper);
+
+		if (!he_6ghz_oper)
+			return false;
+
+		switch (u8_get_bits(he_6ghz_oper->control,
+				    IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO)) {
+		case IEEE80211_6GHZ_CTRL_REG_LPI_AP:
+			return true;
+		case IEEE80211_6GHZ_CTRL_REG_SP_AP:
+			return !(flags & IEEE80211_CHAN_NO_UHB_AFC_CLIENT);
+		case IEEE80211_6GHZ_CTRL_REG_VLP_AP:
+			return !(flags & IEEE80211_CHAN_NO_UHB_VLP_CLIENT);
+		}
+	}
+	return false;
+}
+
 /* cfg80211_inform_bss_width_frame helper */
 static struct cfg80211_bss *
 cfg80211_inform_single_bss_frame_data(struct wiphy *wiphy,
@@ -2922,6 +3148,14 @@ cfg80211_inform_single_bss_frame_data(struct wiphy *wiphy,
 	if (!channel)
 		return NULL;
 
+	if (channel->band == NL80211_BAND_6GHZ &&
+	    !cfg80211_uhb_power_type_valid(variable, ielen, channel->flags)) {
+		data->restrict_use = 1;
+		data->use_for = 0;
+		data->cannot_use_reasons =
+			NL80211_BSS_CANNOT_USE_UHB_PWR_MISMATCH;
+	}
+
 	if (ext) {
 		const struct ieee80211_s1g_bcn_compat_ie *compat;
 		const struct element *elem;
@@ -2977,6 +3211,10 @@ 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);
+	tmp.pub.use_for = data->restrict_use ?
+				data->use_for :
+				NL80211_BSS_USE_FOR_ALL;
+	tmp.pub.cannot_use_reasons = data->cannot_use_reasons;
 
 	signal_valid = data->chan == channel;
 	spin_lock_bh(&rdev->bss_lock);
@@ -3008,6 +3246,10 @@ cfg80211_inform_bss_frame_data(struct wiphy *wiphy,
 		.ie = mgmt->u.probe_resp.variable,
 		.ielen = len - offsetof(struct ieee80211_mgmt,
 					u.probe_resp.variable),
+		.use_for = data->restrict_use ?
+				data->use_for :
+				NL80211_BSS_USE_FOR_ALL,
+		.cannot_use_reasons = data->cannot_use_reasons,
 	};
 	struct cfg80211_bss *res;
 
@@ -3158,10 +3400,9 @@ void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
 
 	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;
-		}
+		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,
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index acfe66da7..195c85327 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -1394,6 +1394,8 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
 #endif
 
 	schedule_work(&cfg80211_disconnect_work);
+
+	cfg80211_schedule_channels_check(wdev);
 }
 
 void cfg80211_disconnected(struct net_device *dev, u16 reason,
diff --git a/net/wireless/tests/Makefile b/net/wireless/tests/Makefile
index fa8e297bb..1f6622fcb 100644
--- a/net/wireless/tests/Makefile
+++ b/net/wireless/tests/Makefile
@@ -1,3 +1,3 @@
-cfg80211-tests-y += module.o fragmentation.o
+cfg80211-tests-y += module.o fragmentation.o scan.o util.o
 
 obj-$(CONFIG_CFG80211_KUNIT_TEST) += cfg80211-tests.o
diff --git a/net/wireless/tests/scan.c b/net/wireless/tests/scan.c
new file mode 100644
index 000000000..f9ea44aee
--- /dev/null
+++ b/net/wireless/tests/scan.c
@@ -0,0 +1,655 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * KUnit tests for inform_bss functions
+ *
+ * Copyright (C) 2023-2024 Intel Corporation
+ */
+#include <linux/ieee80211.h>
+#include <net/cfg80211.h>
+#include <kunit/test.h>
+#include <kunit/skbuff.h>
+#include "../core.h"
+#include "util.h"
+
+/* mac80211 helpers for element building */
+#include "../../mac80211/ieee80211_i.h"
+
+MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING);
+
+struct test_elem {
+	u8 id;
+	u8 len;
+	union {
+		u8 data[255];
+		struct {
+			u8 eid;
+			u8 edata[254];
+		};
+	};
+};
+
+static struct gen_new_ie_case {
+	const char *desc;
+	struct test_elem parent_ies[16];
+	struct test_elem child_ies[16];
+	struct test_elem result_ies[16];
+} gen_new_ie_cases[] = {
+	{
+		.desc = "ML not inherited",
+		.parent_ies = {
+			{ .id = WLAN_EID_EXTENSION, .len = 255,
+			  .eid = WLAN_EID_EXT_EHT_MULTI_LINK },
+		},
+		.child_ies = {
+			{ .id = WLAN_EID_SSID, .len = 2 },
+		},
+		.result_ies = {
+			{ .id = WLAN_EID_SSID, .len = 2 },
+		},
+	},
+	{
+		.desc = "fragments are ignored if previous len not 255",
+		.parent_ies = {
+			{ .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 254, },
+			{ .id = WLAN_EID_FRAGMENT, .len = 125, },
+		},
+		.child_ies = {
+			{ .id = WLAN_EID_SSID, .len = 2 },
+			{ .id = WLAN_EID_FRAGMENT, .len = 125, },
+		},
+		.result_ies = {
+			{ .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 254, },
+			{ .id = WLAN_EID_SSID, .len = 2 },
+		},
+	},
+	{
+		.desc = "fragments inherited",
+		.parent_ies = {
+			{ .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 255, },
+			{ .id = WLAN_EID_FRAGMENT, .len = 125, },
+		},
+		.child_ies = {
+			{ .id = WLAN_EID_SSID, .len = 2 },
+		},
+		.result_ies = {
+			{ .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 255, },
+			{ .id = WLAN_EID_FRAGMENT, .len = 125, },
+			{ .id = WLAN_EID_SSID, .len = 2 },
+		},
+	},
+	{
+		.desc = "fragments copied",
+		.parent_ies = {
+			{ .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 255, },
+			{ .id = WLAN_EID_FRAGMENT, .len = 125, },
+		},
+		.child_ies = {
+			{ .id = WLAN_EID_SSID, .len = 2 },
+		},
+		.result_ies = {
+			{ .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 255, },
+			{ .id = WLAN_EID_FRAGMENT, .len = 125, },
+			{ .id = WLAN_EID_SSID, .len = 2 },
+		},
+	},
+	{
+		.desc = "multiple elements inherit",
+		.parent_ies = {
+			{ .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 255, },
+			{ .id = WLAN_EID_FRAGMENT, .len = 125, },
+			{ .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 123, },
+		},
+		.child_ies = {
+			{ .id = WLAN_EID_SSID, .len = 2 },
+		},
+		.result_ies = {
+			{ .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 255, },
+			{ .id = WLAN_EID_FRAGMENT, .len = 125, },
+			{ .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 123, },
+			{ .id = WLAN_EID_SSID, .len = 2 },
+		},
+	},
+	{
+		.desc = "one child element overrides",
+		.parent_ies = {
+			{ .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 255, },
+			{ .id = WLAN_EID_FRAGMENT, .len = 125, },
+			{ .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 123, },
+		},
+		.child_ies = {
+			{ .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 127, },
+			{ .id = WLAN_EID_SSID, .len = 2 },
+		},
+		.result_ies = {
+			{ .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 127, },
+			{ .id = WLAN_EID_SSID, .len = 2 },
+		},
+	},
+	{
+		.desc = "empty elements from parent",
+		.parent_ies = {
+			{ .id = 0x1, .len = 0, },
+			{ .id = WLAN_EID_EXTENSION, .len = 1, .eid = 0x10 },
+		},
+		.child_ies = {
+		},
+		.result_ies = {
+			{ .id = 0x1, .len = 0, },
+			{ .id = WLAN_EID_EXTENSION, .len = 1, .eid = 0x10 },
+		},
+	},
+	{
+		.desc = "empty elements from child",
+		.parent_ies = {
+		},
+		.child_ies = {
+			{ .id = 0x1, .len = 0, },
+			{ .id = WLAN_EID_EXTENSION, .len = 1, .eid = 0x10 },
+		},
+		.result_ies = {
+			{ .id = 0x1, .len = 0, },
+			{ .id = WLAN_EID_EXTENSION, .len = 1, .eid = 0x10 },
+		},
+	},
+	{
+		.desc = "invalid extended elements ignored",
+		.parent_ies = {
+			{ .id = WLAN_EID_EXTENSION, .len = 0 },
+		},
+		.child_ies = {
+			{ .id = WLAN_EID_EXTENSION, .len = 0 },
+		},
+		.result_ies = {
+		},
+	},
+	{
+		.desc = "multiple extended elements",
+		.parent_ies = {
+			{ .id = WLAN_EID_EXTENSION, .len = 3,
+			  .eid = WLAN_EID_EXT_HE_CAPABILITY },
+			{ .id = WLAN_EID_EXTENSION, .len = 5,
+			  .eid = WLAN_EID_EXT_ASSOC_DELAY_INFO },
+			{ .id = WLAN_EID_EXTENSION, .len = 7,
+			  .eid = WLAN_EID_EXT_HE_OPERATION },
+			{ .id = WLAN_EID_EXTENSION, .len = 11,
+			  .eid = WLAN_EID_EXT_FILS_REQ_PARAMS },
+		},
+		.child_ies = {
+			{ .id = WLAN_EID_SSID, .len = 13 },
+			{ .id = WLAN_EID_EXTENSION, .len = 17,
+			  .eid = WLAN_EID_EXT_HE_CAPABILITY },
+			{ .id = WLAN_EID_EXTENSION, .len = 11,
+			  .eid = WLAN_EID_EXT_FILS_KEY_CONFIRM },
+			{ .id = WLAN_EID_EXTENSION, .len = 19,
+			  .eid = WLAN_EID_EXT_HE_OPERATION },
+		},
+		.result_ies = {
+			{ .id = WLAN_EID_EXTENSION, .len = 17,
+			  .eid = WLAN_EID_EXT_HE_CAPABILITY },
+			{ .id = WLAN_EID_EXTENSION, .len = 5,
+			  .eid = WLAN_EID_EXT_ASSOC_DELAY_INFO },
+			{ .id = WLAN_EID_EXTENSION, .len = 19,
+			  .eid = WLAN_EID_EXT_HE_OPERATION },
+			{ .id = WLAN_EID_EXTENSION, .len = 11,
+			  .eid = WLAN_EID_EXT_FILS_REQ_PARAMS },
+			{ .id = WLAN_EID_SSID, .len = 13 },
+			{ .id = WLAN_EID_EXTENSION, .len = 11,
+			  .eid = WLAN_EID_EXT_FILS_KEY_CONFIRM },
+		},
+	},
+	{
+		.desc = "non-inherit element",
+		.parent_ies = {
+			{ .id = 0x1, .len = 7, },
+			{ .id = 0x2, .len = 11, },
+			{ .id = 0x3, .len = 13, },
+			{ .id = WLAN_EID_EXTENSION, .len = 17, .eid = 0x10 },
+			{ .id = WLAN_EID_EXTENSION, .len = 19, .eid = 0x11 },
+			{ .id = WLAN_EID_EXTENSION, .len = 23, .eid = 0x12 },
+			{ .id = WLAN_EID_EXTENSION, .len = 29, .eid = 0x14 },
+		},
+		.child_ies = {
+			{ .id = WLAN_EID_EXTENSION,
+			  .eid = WLAN_EID_EXT_NON_INHERITANCE,
+			  .len = 10,
+			  .edata = { 0x3, 0x1, 0x2, 0x3,
+				     0x4, 0x10, 0x11, 0x13, 0x14 } },
+			{ .id = WLAN_EID_SSID, .len = 2 },
+		},
+		.result_ies = {
+			{ .id = WLAN_EID_EXTENSION, .len = 23, .eid = 0x12 },
+			{ .id = WLAN_EID_SSID, .len = 2 },
+		},
+	},
+};
+KUNIT_ARRAY_PARAM_DESC(gen_new_ie, gen_new_ie_cases, desc)
+
+static void test_gen_new_ie(struct kunit *test)
+{
+	const struct gen_new_ie_case *params = test->param_value;
+	struct sk_buff *parent = kunit_zalloc_skb(test, 1024, GFP_KERNEL);
+	struct sk_buff *child = kunit_zalloc_skb(test, 1024, GFP_KERNEL);
+	struct sk_buff *reference = kunit_zalloc_skb(test, 1024, GFP_KERNEL);
+	u8 *out = kunit_kzalloc(test, IEEE80211_MAX_DATA_LEN, GFP_KERNEL);
+	size_t len;
+	int i;
+
+	KUNIT_ASSERT_NOT_NULL(test, parent);
+	KUNIT_ASSERT_NOT_NULL(test, child);
+	KUNIT_ASSERT_NOT_NULL(test, reference);
+	KUNIT_ASSERT_NOT_NULL(test, out);
+
+	for (i = 0; i < ARRAY_SIZE(params->parent_ies); i++) {
+		if (params->parent_ies[i].len != 0) {
+			skb_put_u8(parent, params->parent_ies[i].id);
+			skb_put_u8(parent, params->parent_ies[i].len);
+			skb_put_data(parent, params->parent_ies[i].data,
+				     params->parent_ies[i].len);
+		}
+
+		if (params->child_ies[i].len != 0) {
+			skb_put_u8(child, params->child_ies[i].id);
+			skb_put_u8(child, params->child_ies[i].len);
+			skb_put_data(child, params->child_ies[i].data,
+				     params->child_ies[i].len);
+		}
+
+		if (params->result_ies[i].len != 0) {
+			skb_put_u8(reference, params->result_ies[i].id);
+			skb_put_u8(reference, params->result_ies[i].len);
+			skb_put_data(reference, params->result_ies[i].data,
+				     params->result_ies[i].len);
+		}
+	}
+
+	len = cfg80211_gen_new_ie(parent->data, parent->len,
+				  child->data, child->len,
+				  out, IEEE80211_MAX_DATA_LEN);
+	KUNIT_EXPECT_EQ(test, len, reference->len);
+	KUNIT_EXPECT_MEMEQ(test, out, reference->data, reference->len);
+	memset(out, 0, IEEE80211_MAX_DATA_LEN);
+
+	/* Exactly enough space */
+	len = cfg80211_gen_new_ie(parent->data, parent->len,
+				  child->data, child->len,
+				  out, reference->len);
+	KUNIT_EXPECT_EQ(test, len, reference->len);
+	KUNIT_EXPECT_MEMEQ(test, out, reference->data, reference->len);
+	memset(out, 0, IEEE80211_MAX_DATA_LEN);
+
+	/* Not enough space (or expected zero length) */
+	len = cfg80211_gen_new_ie(parent->data, parent->len,
+				  child->data, child->len,
+				  out, reference->len - 1);
+	KUNIT_EXPECT_EQ(test, len, 0);
+}
+
+static void test_gen_new_ie_malformed(struct kunit *test)
+{
+	struct sk_buff *malformed = kunit_zalloc_skb(test, 1024, GFP_KERNEL);
+	u8 *out = kunit_kzalloc(test, IEEE80211_MAX_DATA_LEN, GFP_KERNEL);
+	size_t len;
+
+	KUNIT_ASSERT_NOT_NULL(test, malformed);
+	KUNIT_ASSERT_NOT_NULL(test, out);
+
+	skb_put_u8(malformed, WLAN_EID_SSID);
+	skb_put_u8(malformed, 3);
+	skb_put(malformed, 3);
+	skb_put_u8(malformed, WLAN_EID_REDUCED_NEIGHBOR_REPORT);
+	skb_put_u8(malformed, 10);
+	skb_put(malformed, 9);
+
+	len = cfg80211_gen_new_ie(malformed->data, malformed->len,
+				  out, 0,
+				  out, IEEE80211_MAX_DATA_LEN);
+	KUNIT_EXPECT_EQ(test, len, 5);
+
+	len = cfg80211_gen_new_ie(out, 0,
+				  malformed->data, malformed->len,
+				  out, IEEE80211_MAX_DATA_LEN);
+	KUNIT_EXPECT_EQ(test, len, 5);
+}
+
+struct inform_bss {
+	struct kunit *test;
+
+	int inform_bss_count;
+};
+
+static void inform_bss_inc_counter(struct wiphy *wiphy,
+				   struct cfg80211_bss *bss,
+				   const struct cfg80211_bss_ies *ies,
+				   void *drv_data)
+{
+	struct inform_bss *ctx = t_wiphy_ctx(wiphy);
+
+	ctx->inform_bss_count++;
+
+	rcu_read_lock();
+	KUNIT_EXPECT_PTR_EQ(ctx->test, drv_data, ctx);
+	KUNIT_EXPECT_PTR_EQ(ctx->test, ies, rcu_dereference(bss->ies));
+	rcu_read_unlock();
+}
+
+static void test_inform_bss_ssid_only(struct kunit *test)
+{
+	struct inform_bss ctx = {
+		.test = test,
+	};
+	struct wiphy *wiphy = T_WIPHY(test, ctx);
+	struct t_wiphy_priv *w_priv = wiphy_priv(wiphy);
+	struct cfg80211_inform_bss inform_bss = {
+		.signal = 50,
+		.drv_data = &ctx,
+	};
+	const u8 bssid[ETH_ALEN] = { 0x10, 0x22, 0x33, 0x44, 0x55, 0x66 };
+	u64 tsf = 0x1000000000000000ULL;
+	int beacon_int = 100;
+	u16 capability = 0x1234;
+	static const u8 input[] = {
+		[0] = WLAN_EID_SSID,
+		[1] = 4,
+		[2] = 'T', 'E', 'S', 'T'
+	};
+	struct cfg80211_bss *bss, *other;
+	const struct cfg80211_bss_ies *ies;
+
+	w_priv->ops->inform_bss = inform_bss_inc_counter;
+
+	inform_bss.chan = ieee80211_get_channel_khz(wiphy, MHZ_TO_KHZ(2412));
+	KUNIT_ASSERT_NOT_NULL(test, inform_bss.chan);
+
+	bss = cfg80211_inform_bss_data(wiphy, &inform_bss,
+				       CFG80211_BSS_FTYPE_PRESP, bssid, tsf,
+				       capability, beacon_int,
+				       input, sizeof(input),
+				       GFP_KERNEL);
+	KUNIT_EXPECT_NOT_NULL(test, bss);
+	KUNIT_EXPECT_EQ(test, ctx.inform_bss_count, 1);
+
+	/* Check values in returned bss are correct */
+	KUNIT_EXPECT_EQ(test, bss->signal, inform_bss.signal);
+	KUNIT_EXPECT_EQ(test, bss->beacon_interval, beacon_int);
+	KUNIT_EXPECT_EQ(test, bss->capability, capability);
+	KUNIT_EXPECT_EQ(test, bss->bssid_index, 0);
+	KUNIT_EXPECT_PTR_EQ(test, bss->channel, inform_bss.chan);
+	KUNIT_EXPECT_MEMEQ(test, bssid, bss->bssid, sizeof(bssid));
+
+	/* Check the IEs have the expected value */
+	rcu_read_lock();
+	ies = rcu_dereference(bss->ies);
+	KUNIT_EXPECT_NOT_NULL(test, ies);
+	KUNIT_EXPECT_EQ(test, ies->tsf, tsf);
+	KUNIT_EXPECT_EQ(test, ies->len, sizeof(input));
+	KUNIT_EXPECT_MEMEQ(test, ies->data, input, sizeof(input));
+	rcu_read_unlock();
+
+	/* Check we can look up the BSS - by SSID */
+	other = cfg80211_get_bss(wiphy, NULL, NULL, "TEST", 4,
+				 IEEE80211_BSS_TYPE_ANY,
+				 IEEE80211_PRIVACY_ANY);
+	KUNIT_EXPECT_PTR_EQ(test, bss, other);
+	cfg80211_put_bss(wiphy, other);
+
+	/* Check we can look up the BSS - by BSSID */
+	other = cfg80211_get_bss(wiphy, NULL, bssid, NULL, 0,
+				 IEEE80211_BSS_TYPE_ANY,
+				 IEEE80211_PRIVACY_ANY);
+	KUNIT_EXPECT_PTR_EQ(test, bss, other);
+	cfg80211_put_bss(wiphy, other);
+
+	cfg80211_put_bss(wiphy, bss);
+}
+
+static struct inform_bss_ml_sta_case {
+	const char *desc;
+	int mld_id;
+	bool sta_prof_vendor_elems;
+	bool include_oper_class;
+} inform_bss_ml_sta_cases[] = {
+	{
+		.desc = "zero_mld_id",
+		.mld_id = 0,
+		.sta_prof_vendor_elems = false,
+	}, {
+		.desc = "zero_mld_id_with_oper_class",
+		.mld_id = 0,
+		.sta_prof_vendor_elems = false,
+		.include_oper_class = true,
+	}, {
+		.desc = "mld_id_eq_1",
+		.mld_id = 1,
+		.sta_prof_vendor_elems = true,
+	}, {
+		.desc = "mld_id_eq_1_with_oper_class",
+		.mld_id = 1,
+		.sta_prof_vendor_elems = true,
+		.include_oper_class = true,
+	},
+};
+KUNIT_ARRAY_PARAM_DESC(inform_bss_ml_sta, inform_bss_ml_sta_cases, desc)
+
+static void test_inform_bss_ml_sta(struct kunit *test)
+{
+	const struct inform_bss_ml_sta_case *params = test->param_value;
+	struct inform_bss ctx = {
+		.test = test,
+	};
+	struct wiphy *wiphy = T_WIPHY(test, ctx);
+	struct t_wiphy_priv *w_priv = wiphy_priv(wiphy);
+	struct cfg80211_inform_bss inform_bss = {
+		.signal = 50,
+		.drv_data = &ctx,
+	};
+	struct cfg80211_bss *bss, *link_bss;
+	const struct cfg80211_bss_ies *ies;
+
+	/* sending station */
+	const u8 bssid[ETH_ALEN] = { 0x10, 0x22, 0x33, 0x44, 0x55, 0x66 };
+	u64 tsf = 0x1000000000000000ULL;
+	int beacon_int = 100;
+	u16 capability = 0x1234;
+
+	/* Building the frame *************************************************/
+	struct sk_buff *input = kunit_zalloc_skb(test, 1024, GFP_KERNEL);
+	u8 *len_mle, *len_prof;
+	u8 link_id = 2;
+	struct {
+		struct ieee80211_neighbor_ap_info info;
+		struct ieee80211_tbtt_info_ge_11 ap;
+	} __packed rnr = {
+		.info = {
+			.tbtt_info_hdr = u8_encode_bits(0, IEEE80211_AP_INFO_TBTT_HDR_COUNT),
+			.tbtt_info_len = sizeof(struct ieee80211_tbtt_info_ge_11),
+			.op_class = 81,
+			.channel = 11,
+		},
+		.ap = {
+			.tbtt_offset = 0xff,
+			.bssid = { 0x10, 0x22, 0x33, 0x44, 0x55, 0x67 },
+			.short_ssid = 0, /* unused */
+			.bss_params = 0,
+			.psd_20 = 0,
+			.mld_params.mld_id = params->mld_id,
+			.mld_params.params =
+				le16_encode_bits(link_id,
+						 IEEE80211_RNR_MLD_PARAMS_LINK_ID),
+		}
+	};
+	struct {
+		__le16 control;
+		u8 var_len;
+		u8 mld_mac_addr[ETH_ALEN];
+		u8 link_id_info;
+		u8 params_change_count;
+		__le16 mld_caps_and_ops;
+		u8 mld_id;
+		__le16 ext_mld_caps_and_ops;
+	} __packed mle_basic_common_info = {
+		.control =
+			cpu_to_le16(IEEE80211_ML_CONTROL_TYPE_BASIC |
+				    IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT |
+				    IEEE80211_MLC_BASIC_PRES_LINK_ID |
+				    (params->mld_id ? IEEE80211_MLC_BASIC_PRES_MLD_ID : 0) |
+				    IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP),
+		.mld_id = params->mld_id,
+		.mld_caps_and_ops = cpu_to_le16(0x0102),
+		.ext_mld_caps_and_ops = cpu_to_le16(0x0304),
+		.var_len = sizeof(mle_basic_common_info) - 2 -
+			   (params->mld_id ? 0 : 1),
+		.mld_mac_addr = { 0x10, 0x22, 0x33, 0x44, 0x55, 0x60 },
+	};
+	struct {
+		__le16 control;
+		u8 var_len;
+		u8 bssid[ETH_ALEN];
+		__le16 beacon_int;
+		__le64 tsf_offset;
+		__le16 capabilities; /* already part of payload */
+	} __packed sta_prof = {
+		.control =
+			cpu_to_le16(IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE |
+				    IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT |
+				    IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT |
+				    IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT |
+				    u16_encode_bits(link_id,
+						    IEEE80211_MLE_STA_CONTROL_LINK_ID)),
+		.var_len = sizeof(sta_prof) - 2 - 2,
+		.bssid = { *rnr.ap.bssid },
+		.beacon_int = cpu_to_le16(101),
+		.tsf_offset = cpu_to_le64(-123ll),
+		.capabilities = cpu_to_le16(0xdead),
+	};
+
+	KUNIT_ASSERT_NOT_NULL(test, input);
+
+	w_priv->ops->inform_bss = inform_bss_inc_counter;
+
+	inform_bss.chan = ieee80211_get_channel_khz(wiphy, MHZ_TO_KHZ(2412));
+	KUNIT_ASSERT_NOT_NULL(test, inform_bss.chan);
+
+	skb_put_u8(input, WLAN_EID_SSID);
+	skb_put_u8(input, 4);
+	skb_put_data(input, "TEST", 4);
+
+	if (params->include_oper_class) {
+		skb_put_u8(input, WLAN_EID_SUPPORTED_REGULATORY_CLASSES);
+		skb_put_u8(input, 1);
+		skb_put_u8(input, 81);
+	}
+
+	skb_put_u8(input, WLAN_EID_REDUCED_NEIGHBOR_REPORT);
+	skb_put_u8(input, sizeof(rnr));
+	skb_put_data(input, &rnr, sizeof(rnr));
+
+	/* build a multi-link element */
+	skb_put_u8(input, WLAN_EID_EXTENSION);
+	len_mle = skb_put(input, 1);
+	skb_put_u8(input, WLAN_EID_EXT_EHT_MULTI_LINK);
+	skb_put_data(input, &mle_basic_common_info, sizeof(mle_basic_common_info));
+	if (!params->mld_id)
+		t_skb_remove_member(input, typeof(mle_basic_common_info), mld_id);
+	/* with a STA profile inside */
+	skb_put_u8(input, IEEE80211_MLE_SUBELEM_PER_STA_PROFILE);
+	len_prof = skb_put(input, 1);
+	skb_put_data(input, &sta_prof, sizeof(sta_prof));
+
+	if (params->sta_prof_vendor_elems) {
+		/* Put two (vendor) element into sta_prof */
+		skb_put_u8(input, WLAN_EID_VENDOR_SPECIFIC);
+		skb_put_u8(input, 160);
+		skb_put(input, 160);
+
+		skb_put_u8(input, WLAN_EID_VENDOR_SPECIFIC);
+		skb_put_u8(input, 165);
+		skb_put(input, 165);
+	}
+
+	/* fragment STA profile */
+	ieee80211_fragment_element(input, len_prof,
+				   IEEE80211_MLE_SUBELEM_FRAGMENT);
+	/* fragment MLE */
+	ieee80211_fragment_element(input, len_mle, WLAN_EID_FRAGMENT);
+
+	/* Put a (vendor) element after the ML element */
+	skb_put_u8(input, WLAN_EID_VENDOR_SPECIFIC);
+	skb_put_u8(input, 155);
+	skb_put(input, 155);
+
+	/* Submit *************************************************************/
+	bss = cfg80211_inform_bss_data(wiphy, &inform_bss,
+				       CFG80211_BSS_FTYPE_PRESP, bssid, tsf,
+				       capability, beacon_int,
+				       input->data, input->len,
+				       GFP_KERNEL);
+	KUNIT_EXPECT_NOT_NULL(test, bss);
+	KUNIT_EXPECT_EQ(test, ctx.inform_bss_count, 2);
+
+	/* Check link_bss *****************************************************/
+	link_bss = cfg80211_get_bss(wiphy, NULL, sta_prof.bssid, NULL, 0,
+				    IEEE80211_BSS_TYPE_ANY,
+				    IEEE80211_PRIVACY_ANY);
+	KUNIT_ASSERT_NOT_NULL(test, link_bss);
+	KUNIT_EXPECT_EQ(test, link_bss->signal, 0);
+	KUNIT_EXPECT_EQ(test, link_bss->beacon_interval,
+			      le16_to_cpu(sta_prof.beacon_int));
+	KUNIT_EXPECT_EQ(test, link_bss->capability,
+			      le16_to_cpu(sta_prof.capabilities));
+	KUNIT_EXPECT_EQ(test, link_bss->bssid_index, 0);
+	KUNIT_EXPECT_PTR_EQ(test, link_bss->channel,
+			    ieee80211_get_channel_khz(wiphy, MHZ_TO_KHZ(2462)));
+
+	rcu_read_lock();
+	ies = rcu_dereference(link_bss->ies);
+	KUNIT_EXPECT_NOT_NULL(test, ies);
+	KUNIT_EXPECT_EQ(test, ies->tsf, tsf + le64_to_cpu(sta_prof.tsf_offset));
+	/* Resulting length should be:
+	 * SSID (inherited) + RNR (inherited) + vendor element(s) +
+	 * operating class (if requested) +
+	 * generated RNR (if MLD ID == 0) +
+	 * MLE common info + MLE header and control
+	 */
+	if (params->sta_prof_vendor_elems)
+		KUNIT_EXPECT_EQ(test, ies->len,
+				6 + 2 + sizeof(rnr) + 2 + 160 + 2 + 165 +
+				(params->include_oper_class ? 3 : 0) +
+				(!params->mld_id ? 22 : 0) +
+				mle_basic_common_info.var_len + 5);
+	else
+		KUNIT_EXPECT_EQ(test, ies->len,
+				6 + 2 + sizeof(rnr) + 2 + 155 +
+				(params->include_oper_class ? 3 : 0) +
+				(!params->mld_id ? 22 : 0) +
+				mle_basic_common_info.var_len + 5);
+	rcu_read_unlock();
+
+	cfg80211_put_bss(wiphy, bss);
+	cfg80211_put_bss(wiphy, link_bss);
+}
+
+static struct kunit_case gen_new_ie_test_cases[] = {
+	KUNIT_CASE_PARAM(test_gen_new_ie, gen_new_ie_gen_params),
+	KUNIT_CASE(test_gen_new_ie_malformed),
+	{}
+};
+
+static struct kunit_suite gen_new_ie = {
+	.name = "cfg80211-ie-generation",
+	.test_cases = gen_new_ie_test_cases,
+};
+
+kunit_test_suite(gen_new_ie);
+
+static struct kunit_case inform_bss_test_cases[] = {
+	KUNIT_CASE(test_inform_bss_ssid_only),
+	KUNIT_CASE_PARAM(test_inform_bss_ml_sta, inform_bss_ml_sta_gen_params),
+	{}
+};
+
+static struct kunit_suite inform_bss = {
+	.name = "cfg80211-inform-bss",
+	.test_cases = inform_bss_test_cases,
+};
+
+kunit_test_suite(inform_bss);
diff --git a/net/wireless/tests/util.c b/net/wireless/tests/util.c
new file mode 100644
index 000000000..8abdaeb82
--- /dev/null
+++ b/net/wireless/tests/util.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * KUnit fixture to have a (configurable) wiphy
+ *
+ * Copyright (C) 2023 Intel Corporation
+ */
+#include <linux/ieee80211.h>
+#include <net/cfg80211.h>
+#include <kunit/test.h>
+#include <kunit/test-bug.h>
+#include "util.h"
+
+int t_wiphy_init(struct kunit_resource *resource, void *ctx)
+{
+	struct kunit *test = kunit_get_current_test();
+	struct cfg80211_ops *ops;
+	struct wiphy *wiphy;
+	struct t_wiphy_priv *priv;
+
+	ops = kzalloc(sizeof(*ops), GFP_KERNEL);
+	KUNIT_ASSERT_NOT_NULL(test, ops);
+
+	wiphy = wiphy_new_nm(ops, sizeof(*priv), "kunit");
+	KUNIT_ASSERT_NOT_NULL(test, wiphy);
+
+	priv = wiphy_priv(wiphy);
+	priv->ctx = ctx;
+	priv->ops = ops;
+
+	/* Initialize channels, feel free to add more here channels/bands */
+	memcpy(priv->channels_2ghz, channels_2ghz, sizeof(channels_2ghz));
+	wiphy->bands[NL80211_BAND_2GHZ] = &priv->band_2ghz;
+	priv->band_2ghz.channels = priv->channels_2ghz;
+	priv->band_2ghz.n_channels = ARRAY_SIZE(channels_2ghz);
+
+	resource->data = wiphy;
+	resource->name = "wiphy";
+
+	return 0;
+}
+
+void t_wiphy_exit(struct kunit_resource *resource)
+{
+	struct t_wiphy_priv *priv;
+	struct cfg80211_ops *ops;
+
+	priv = wiphy_priv(resource->data);
+	ops = priv->ops;
+
+	/* Should we ensure anything about the state here?
+	 * e.g. full destruction or no calls to any ops on destruction?
+	 */
+
+	wiphy_free(resource->data);
+	kfree(ops);
+}
diff --git a/net/wireless/tests/util.h b/net/wireless/tests/util.h
new file mode 100644
index 000000000..6de712e0d
--- /dev/null
+++ b/net/wireless/tests/util.h
@@ -0,0 +1,66 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Utilities for cfg80211 unit testing
+ *
+ * Copyright (C) 2023 Intel Corporation
+ */
+#ifndef __CFG80211_UTILS_H
+#define __CFG80211_UTILS_H
+
+#define CHAN2G(_freq)  { \
+	.band = NL80211_BAND_2GHZ, \
+	.center_freq = (_freq), \
+	.hw_value = (_freq), \
+}
+
+static const struct ieee80211_channel channels_2ghz[] = {
+	CHAN2G(2412), /* Channel 1 */
+	CHAN2G(2417), /* Channel 2 */
+	CHAN2G(2422), /* Channel 3 */
+	CHAN2G(2427), /* Channel 4 */
+	CHAN2G(2432), /* Channel 5 */
+	CHAN2G(2437), /* Channel 6 */
+	CHAN2G(2442), /* Channel 7 */
+	CHAN2G(2447), /* Channel 8 */
+	CHAN2G(2452), /* Channel 9 */
+	CHAN2G(2457), /* Channel 10 */
+	CHAN2G(2462), /* Channel 11 */
+	CHAN2G(2467), /* Channel 12 */
+	CHAN2G(2472), /* Channel 13 */
+	CHAN2G(2484), /* Channel 14 */
+};
+
+struct t_wiphy_priv {
+	struct kunit *test;
+	struct cfg80211_ops *ops;
+
+	void *ctx;
+
+	struct ieee80211_supported_band band_2ghz;
+	struct ieee80211_channel channels_2ghz[ARRAY_SIZE(channels_2ghz)];
+};
+
+#define T_WIPHY(test, ctx) ({						\
+		struct wiphy *__wiphy =					\
+			kunit_alloc_resource(test, t_wiphy_init,	\
+					     t_wiphy_exit,		\
+					     GFP_KERNEL, &(ctx));	\
+									\
+		KUNIT_ASSERT_NOT_NULL(test, __wiphy);			\
+		__wiphy;						\
+	})
+#define t_wiphy_ctx(wiphy) (((struct t_wiphy_priv *)wiphy_priv(wiphy))->ctx)
+
+int t_wiphy_init(struct kunit_resource *resource, void *data);
+void t_wiphy_exit(struct kunit_resource *resource);
+
+#define t_skb_remove_member(skb, type, member)	do {				\
+		memmove((skb)->data + (skb)->len - sizeof(type) +		\
+			offsetof(type, member),					\
+			(skb)->data + (skb)->len - sizeof(type) +		\
+			offsetofend(type, member),				\
+			offsetofend(type, member));				\
+		skb_trim(skb, (skb)->len - sizeof_field(type, member));		\
+	} while (0)
+
+#endif /* __CFG80211_UTILS_H */
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index 30cd1bd58..1f374c8a1 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -2928,7 +2928,7 @@ DEFINE_EVENT(netdev_evt_only, cfg80211_send_rx_auth,
 
 TRACE_EVENT(cfg80211_send_rx_assoc,
 	TP_PROTO(struct net_device *netdev,
-		 struct cfg80211_rx_assoc_resp_data *data),
+		 const struct cfg80211_rx_assoc_resp_data *data),
 	TP_ARGS(netdev, data),
 	TP_STRUCT__entry(
 		NETDEV_ENTRY
@@ -3979,6 +3979,26 @@ TRACE_EVENT(cfg80211_links_removed,
 		  __entry->link_mask)
 );
 
+TRACE_EVENT(rdev_set_ttlm,
+	TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
+		 struct cfg80211_ttlm_params *params),
+	TP_ARGS(wiphy, netdev, params),
+	TP_STRUCT__entry(
+		WIPHY_ENTRY
+		NETDEV_ENTRY
+		__array(u8, dlink, sizeof(u16) * 8)
+		__array(u8, ulink, sizeof(u16) * 8)
+	),
+	TP_fast_assign(
+		WIPHY_ASSIGN;
+		NETDEV_ASSIGN;
+		memcpy(__entry->dlink, params->dlink, sizeof(params->dlink));
+		memcpy(__entry->ulink, params->ulink, sizeof(params->ulink));
+	),
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT,
+		  WIPHY_PR_ARG, NETDEV_PR_ARG)
+);
+
 #endif /* !__RDEV_OPS_TRACE || TRACE_HEADER_MULTI_READ */
 
 #undef TRACE_INCLUDE_PATH
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 626b858b4..b9d15f369 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -791,15 +791,19 @@ ieee80211_amsdu_subframe_length(void *field, u8 mesh_flags, u8 hdr_type)
 
 bool ieee80211_is_valid_amsdu(struct sk_buff *skb, u8 mesh_hdr)
 {
-	int offset = 0, remaining, subframe_len, padding;
+	int offset = 0, subframe_len, padding;
 
 	for (offset = 0; offset < skb->len; offset += subframe_len + padding) {
+		int remaining = skb->len - offset;
 		struct {
 		    __be16 len;
 		    u8 mesh_flags;
 		} hdr;
 		u16 len;
 
+		if (sizeof(hdr) > remaining)
+			return false;
+
 		if (skb_copy_bits(skb, offset + 2 * ETH_ALEN, &hdr, sizeof(hdr)) < 0)
 			return false;
 
@@ -807,7 +811,6 @@ bool ieee80211_is_valid_amsdu(struct sk_buff *skb, u8 mesh_hdr)
 						      mesh_hdr);
 		subframe_len = sizeof(struct ethhdr) + len;
 		padding = (4 - subframe_len) & 0x3;
-		remaining = skb->len - offset;
 
 		if (subframe_len > remaining)
 			return false;
@@ -825,7 +828,7 @@ void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list,
 {
 	unsigned int hlen = ALIGN(extra_headroom, 4);
 	struct sk_buff *frame = NULL;
-	int offset = 0, remaining;
+	int offset = 0;
 	struct {
 		struct ethhdr eth;
 		uint8_t flags;
@@ -839,10 +842,14 @@ void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list,
 		copy_len = sizeof(hdr);
 
 	while (!last) {
+		int remaining = skb->len - offset;
 		unsigned int subframe_len;
 		int len, mesh_len = 0;
 		u8 padding;
 
+		if (copy_len > remaining)
+			goto purge;
+
 		skb_copy_bits(skb, offset, &hdr, copy_len);
 		if (iftype == NL80211_IFTYPE_MESH_POINT)
 			mesh_len = __ieee80211_get_mesh_hdrlen(hdr.flags);
@@ -852,7 +859,6 @@ void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list,
 		padding = (4 - subframe_len) & 0x3;
 
 		/* the last MSDU has no padding */
-		remaining = skb->len - offset;
 		if (subframe_len > remaining)
 			goto purge;
 		/* mitigate A-MSDU aggregation injection attacks */
@@ -980,7 +986,63 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb,
 		}
 	}
 
+	/* The default mapping as defined Section 2.3 in RFC8325: The three
+	 * Most Significant Bits (MSBs) of the DSCP are used as the
+	 * corresponding L2 markings.
+	 */
 	ret = dscp >> 5;
+
+	/* Handle specific DSCP values for which the default mapping (as
+	 * described above) doesn't adhere to the intended usage of the DSCP
+	 * value. See section 4 in RFC8325. Specifically, for the following
+	 * Diffserv Service Classes no update is needed:
+	 * - Standard: DF
+	 * - Low Priority Data: CS1
+	 * - Multimedia Streaming: AF31, AF32, AF33
+	 * - Multimedia Conferencing: AF41, AF42, AF43
+	 * - Network Control Traffic: CS7
+	 * - Real-Time Interactive: CS4
+	 */
+	switch (dscp >> 2) {
+	case 10:
+	case 12:
+	case 14:
+		/* High throughput data: AF11, AF12, AF13 */
+		ret = 0;
+		break;
+	case 16:
+		/* Operations, Administration, and Maintenance and Provisioning:
+		 * CS2
+		 */
+		ret = 0;
+		break;
+	case 18:
+	case 20:
+	case 22:
+		/* Low latency data: AF21, AF22, AF23 */
+		ret = 3;
+		break;
+	case 24:
+		/* Broadcasting video: CS3 */
+		ret = 4;
+		break;
+	case 40:
+		/* Signaling: CS5 */
+		ret = 5;
+		break;
+	case 44:
+		/* Voice Admit: VA */
+		ret = 6;
+		break;
+	case 46:
+		/* Telephony traffic: EF */
+		ret = 6;
+		break;
+	case 48:
+		/* Network Control Traffic: CS6 */
+		ret = 7;
+		break;
+	}
 out:
 	return array_index_nospec(ret, IEEE80211_NUM_TIDS);
 }