nl80211: fix possible memory leak nl80211_connect()
[firefly-linux-kernel-4.4.55.git] / net / wireless / nl80211.c
index cbdc0fd67a14b92973d6d5ef70fdefae4ada4979..1e37dbf00cb3f3850d3785827f896ca09339873b 100644 (file)
@@ -46,28 +46,175 @@ static struct genl_family nl80211_fam = {
        .post_doit = nl80211_post_doit,
 };
 
-/* internal helper: get rdev and dev */
-static int get_rdev_dev_by_ifindex(struct net *netns, struct nlattr **attrs,
-                                  struct cfg80211_registered_device **rdev,
-                                  struct net_device **dev)
+/* returns ERR_PTR values */
+static struct wireless_dev *
+__cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
 {
-       int ifindex;
+       struct cfg80211_registered_device *rdev;
+       struct wireless_dev *result = NULL;
+       bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
+       bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
+       u64 wdev_id;
+       int wiphy_idx = -1;
+       int ifidx = -1;
 
-       if (!attrs[NL80211_ATTR_IFINDEX])
-               return -EINVAL;
+       assert_cfg80211_lock();
 
-       ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
-       *dev = dev_get_by_index(netns, ifindex);
-       if (!*dev)
-               return -ENODEV;
+       if (!have_ifidx && !have_wdev_id)
+               return ERR_PTR(-EINVAL);
 
-       *rdev = cfg80211_get_dev_from_ifindex(netns, ifindex);
-       if (IS_ERR(*rdev)) {
-               dev_put(*dev);
-               return PTR_ERR(*rdev);
+       if (have_ifidx)
+               ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
+       if (have_wdev_id) {
+               wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
+               wiphy_idx = wdev_id >> 32;
        }
 
-       return 0;
+       list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+               struct wireless_dev *wdev;
+
+               if (wiphy_net(&rdev->wiphy) != netns)
+                       continue;
+
+               if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
+                       continue;
+
+               mutex_lock(&rdev->devlist_mtx);
+               list_for_each_entry(wdev, &rdev->wdev_list, list) {
+                       if (have_ifidx && wdev->netdev &&
+                           wdev->netdev->ifindex == ifidx) {
+                               result = wdev;
+                               break;
+                       }
+                       if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
+                               result = wdev;
+                               break;
+                       }
+               }
+               mutex_unlock(&rdev->devlist_mtx);
+
+               if (result)
+                       break;
+       }
+
+       if (result)
+               return result;
+       return ERR_PTR(-ENODEV);
+}
+
+static struct cfg80211_registered_device *
+__cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
+{
+       struct cfg80211_registered_device *rdev = NULL, *tmp;
+       struct net_device *netdev;
+
+       assert_cfg80211_lock();
+
+       if (!attrs[NL80211_ATTR_WIPHY] &&
+           !attrs[NL80211_ATTR_IFINDEX] &&
+           !attrs[NL80211_ATTR_WDEV])
+               return ERR_PTR(-EINVAL);
+
+       if (attrs[NL80211_ATTR_WIPHY])
+               rdev = cfg80211_rdev_by_wiphy_idx(
+                               nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
+
+       if (attrs[NL80211_ATTR_WDEV]) {
+               u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]);
+               struct wireless_dev *wdev;
+               bool found = false;
+
+               tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
+               if (tmp) {
+                       /* make sure wdev exists */
+                       mutex_lock(&tmp->devlist_mtx);
+                       list_for_each_entry(wdev, &tmp->wdev_list, list) {
+                               if (wdev->identifier != (u32)wdev_id)
+                                       continue;
+                               found = true;
+                               break;
+                       }
+                       mutex_unlock(&tmp->devlist_mtx);
+
+                       if (!found)
+                               tmp = NULL;
+
+                       if (rdev && tmp != rdev)
+                               return ERR_PTR(-EINVAL);
+                       rdev = tmp;
+               }
+       }
+
+       if (attrs[NL80211_ATTR_IFINDEX]) {
+               int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
+               netdev = dev_get_by_index(netns, ifindex);
+               if (netdev) {
+                       if (netdev->ieee80211_ptr)
+                               tmp = wiphy_to_dev(
+                                               netdev->ieee80211_ptr->wiphy);
+                       else
+                               tmp = NULL;
+
+                       dev_put(netdev);
+
+                       /* not wireless device -- return error */
+                       if (!tmp)
+                               return ERR_PTR(-EINVAL);
+
+                       /* mismatch -- return error */
+                       if (rdev && tmp != rdev)
+                               return ERR_PTR(-EINVAL);
+
+                       rdev = tmp;
+               }
+       }
+
+       if (!rdev)
+               return ERR_PTR(-ENODEV);
+
+       if (netns != wiphy_net(&rdev->wiphy))
+               return ERR_PTR(-ENODEV);
+
+       return rdev;
+}
+
+/*
+ * This function returns a pointer to the driver
+ * that the genl_info item that is passed refers to.
+ * If successful, it returns non-NULL and also locks
+ * the driver's mutex!
+ *
+ * This means that you need to call cfg80211_unlock_rdev()
+ * before being allowed to acquire &cfg80211_mutex!
+ *
+ * This is necessary because we need to lock the global
+ * mutex to get an item off the list safely, and then
+ * we lock the rdev mutex so it doesn't go away under us.
+ *
+ * We don't want to keep cfg80211_mutex locked
+ * for all the time in order to allow requests on
+ * other interfaces to go through at the same time.
+ *
+ * The result of this can be a PTR_ERR and hence must
+ * be checked with IS_ERR() for errors.
+ */
+static struct cfg80211_registered_device *
+cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
+{
+       struct cfg80211_registered_device *rdev;
+
+       mutex_lock(&cfg80211_mutex);
+       rdev = __cfg80211_rdev_from_attrs(netns, info->attrs);
+
+       /* if it is not an error we grab the lock on
+        * it to assure it won't be going away while
+        * we operate on it */
+       if (!IS_ERR(rdev))
+               mutex_lock(&rdev->mtx);
+
+       mutex_unlock(&cfg80211_mutex);
+
+       return rdev;
 }
 
 /* policy for the attributes */
@@ -115,7 +262,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
        [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
        [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
        [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
-                               .len = IEEE80211_MAX_MESH_ID_LEN },
+                                  .len = IEEE80211_MAX_MESH_ID_LEN },
        [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
 
        [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
@@ -206,6 +353,8 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
        [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 },
        [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 },
        [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 },
+       [NL80211_ATTR_WDEV] = { .type = NLA_U64 },
+       [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
 };
 
 /* policy for the key attributes */
@@ -250,8 +399,9 @@ nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
 
 static const struct nla_policy
 nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
-       [NL80211_ATTR_SCHED_SCAN_MATCH_SSID] = { .type = NLA_BINARY,
+       [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
                                                 .len = IEEE80211_MAX_SSID_LEN },
+       [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
 };
 
 /* ifidx get helper */
@@ -832,6 +982,15 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
                                dev->wiphy.bands[band]->ht_cap.ampdu_density)))
                        goto nla_put_failure;
 
+               /* add VHT info */
+               if (dev->wiphy.bands[band]->vht_cap.vht_supported &&
+                   (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET,
+                            sizeof(dev->wiphy.bands[band]->vht_cap.vht_mcs),
+                            &dev->wiphy.bands[band]->vht_cap.vht_mcs) ||
+                    nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA,
+                                dev->wiphy.bands[band]->vht_cap.cap)))
+                       goto nla_put_failure;
+
                /* add frequencies */
                nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS);
                if (!nl_freqs)
@@ -1023,6 +1182,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
                nla_nest_end(msg, nl_ifs);
        }
 
+#ifdef CONFIG_PM
        if (dev->wiphy.wowlan.flags || dev->wiphy.wowlan.n_patterns) {
                struct nlattr *nl_wowlan;
 
@@ -1063,6 +1223,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
 
                nla_nest_end(msg, nl_wowlan);
        }
+#endif
 
        if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES,
                                dev->wiphy.software_iftypes))
@@ -1334,7 +1495,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
        }
 
        if (!netdev) {
-               rdev = __cfg80211_rdev_from_info(info);
+               rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
+                                                 info->attrs);
                if (IS_ERR(rdev)) {
                        mutex_unlock(&cfg80211_mutex);
                        return PTR_ERR(rdev);
@@ -1567,22 +1729,32 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
        return result;
 }
 
+static inline u64 wdev_id(struct wireless_dev *wdev)
+{
+       return (u64)wdev->identifier |
+              ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32);
+}
 
 static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
                              struct cfg80211_registered_device *rdev,
-                             struct net_device *dev)
+                             struct wireless_dev *wdev)
 {
+       struct net_device *dev = wdev->netdev;
        void *hdr;
 
        hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE);
        if (!hdr)
                return -1;
 
-       if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
-           nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
-           nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name) ||
-           nla_put_u32(msg, NL80211_ATTR_IFTYPE,
-                       dev->ieee80211_ptr->iftype) ||
+       if (dev &&
+           (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
+            nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name) ||
+            nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dev->dev_addr)))
+               goto nla_put_failure;
+
+       if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
+           nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
+           nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
            nla_put_u32(msg, NL80211_ATTR_GENERATION,
                        rdev->devlist_generation ^
                        (cfg80211_rdev_list_generation << 2)))
@@ -1592,12 +1764,13 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
                struct ieee80211_channel *chan;
                enum nl80211_channel_type channel_type;
 
-               chan = rdev->ops->get_channel(&rdev->wiphy, &channel_type);
+               chan = rdev->ops->get_channel(&rdev->wiphy, wdev,
+                                             &channel_type);
                if (chan &&
                    (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
-                                   chan->center_freq) ||
+                                chan->center_freq) ||
                     nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
-                                   channel_type)))
+                                channel_type)))
                        goto nla_put_failure;
        }
 
@@ -1628,14 +1801,14 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
                if_idx = 0;
 
                mutex_lock(&rdev->devlist_mtx);
-               list_for_each_entry(wdev, &rdev->netdev_list, list) {
+               list_for_each_entry(wdev, &rdev->wdev_list, list) {
                        if (if_idx < if_start) {
                                if_idx++;
                                continue;
                        }
                        if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid,
                                               cb->nlh->nlmsg_seq, NLM_F_MULTI,
-                                              rdev, wdev->netdev) < 0) {
+                                              rdev, wdev) < 0) {
                                mutex_unlock(&rdev->devlist_mtx);
                                goto out;
                        }
@@ -1658,14 +1831,14 @@ static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
 {
        struct sk_buff *msg;
        struct cfg80211_registered_device *dev = info->user_ptr[0];
-       struct net_device *netdev = info->user_ptr[1];
+       struct wireless_dev *wdev = info->user_ptr[1];
 
        msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
        if (!msg)
                return -ENOMEM;
 
        if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0,
-                              dev, netdev) < 0) {
+                              dev, wdev) < 0) {
                nlmsg_free(msg);
                return -ENOBUFS;
        }
@@ -1805,7 +1978,8 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
 {
        struct cfg80211_registered_device *rdev = info->user_ptr[0];
        struct vif_params params;
-       struct net_device *dev;
+       struct wireless_dev *wdev;
+       struct sk_buff *msg;
        int err;
        enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
        u32 flags;
@@ -1832,19 +2006,23 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
                        return err;
        }
 
+       msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+       if (!msg)
+               return -ENOMEM;
+
        err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
                                  info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
                                  &flags);
-       dev = rdev->ops->add_virtual_intf(&rdev->wiphy,
+       wdev = rdev->ops->add_virtual_intf(&rdev->wiphy,
                nla_data(info->attrs[NL80211_ATTR_IFNAME]),
                type, err ? NULL : &flags, &params);
-       if (IS_ERR(dev))
-               return PTR_ERR(dev);
+       if (IS_ERR(wdev)) {
+               nlmsg_free(msg);
+               return PTR_ERR(wdev);
+       }
 
        if (type == NL80211_IFTYPE_MESH_POINT &&
            info->attrs[NL80211_ATTR_MESH_ID]) {
-               struct wireless_dev *wdev = dev->ieee80211_ptr;
-
                wdev_lock(wdev);
                BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
                             IEEE80211_MAX_MESH_ID_LEN);
@@ -1855,18 +2033,34 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
                wdev_unlock(wdev);
        }
 
-       return 0;
+       if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0,
+                              rdev, wdev) < 0) {
+               nlmsg_free(msg);
+               return -ENOBUFS;
+       }
+
+       return genlmsg_reply(msg, info);
 }
 
 static int nl80211_del_interface(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 wireless_dev *wdev = info->user_ptr[1];
 
        if (!rdev->ops->del_virtual_intf)
                return -EOPNOTSUPP;
 
-       return rdev->ops->del_virtual_intf(&rdev->wiphy, dev);
+       /*
+        * If we remove a wireless device without a netdev then clear
+        * user_ptr[1] so that nl80211_post_doit won't dereference it
+        * to check if it needs to do dev_put(). Otherwise it crashes
+        * since the wdev has been freed, unlike with a netdev where
+        * we need the dev_put() for the netdev to really be freed.
+        */
+       if (!wdev->netdev)
+               info->user_ptr[1] = NULL;
+
+       return rdev->ops->del_virtual_intf(&rdev->wiphy, wdev);
 }
 
 static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info)
@@ -2246,6 +2440,33 @@ static int nl80211_parse_beacon(struct genl_info *info,
        return 0;
 }
 
+static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
+                                  struct cfg80211_ap_settings *params)
+{
+       struct wireless_dev *wdev;
+       bool ret = false;
+
+       mutex_lock(&rdev->devlist_mtx);
+
+       list_for_each_entry(wdev, &rdev->wdev_list, list) {
+               if (wdev->iftype != NL80211_IFTYPE_AP &&
+                   wdev->iftype != NL80211_IFTYPE_P2P_GO)
+                       continue;
+
+               if (!wdev->preset_chan)
+                       continue;
+
+               params->channel = wdev->preset_chan;
+               params->channel_type = wdev->preset_chantype;
+               ret = true;
+               break;
+       }
+
+       mutex_unlock(&rdev->devlist_mtx);
+
+       return ret;
+}
+
 static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
 {
        struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -2348,16 +2569,28 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
        } else if (wdev->preset_chan) {
                params.channel = wdev->preset_chan;
                params.channel_type = wdev->preset_chantype;
-       } else
+       } else if (!nl80211_get_ap_channel(rdev, &params))
                return -EINVAL;
 
        if (!cfg80211_can_beacon_sec_chan(&rdev->wiphy, params.channel,
                                          params.channel_type))
                return -EINVAL;
 
+       mutex_lock(&rdev->devlist_mtx);
+       err = cfg80211_can_use_chan(rdev, wdev, params.channel,
+                                   CHAN_MODE_SHARED);
+       mutex_unlock(&rdev->devlist_mtx);
+
+       if (err)
+               return err;
+
        err = rdev->ops->start_ap(&rdev->wiphy, dev, &params);
-       if (!err)
+       if (!err) {
+               wdev->preset_chan = params.channel;
+               wdev->preset_chantype = params.channel_type;
                wdev->beacon_interval = params.beacon_interval;
+               wdev->channel = params.channel;
+       }
        return err;
 }
 
@@ -2390,23 +2623,8 @@ static int nl80211_stop_ap(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 wireless_dev *wdev = dev->ieee80211_ptr;
-       int err;
-
-       if (!rdev->ops->stop_ap)
-               return -EOPNOTSUPP;
-
-       if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
-               return -EOPNOTSUPP;
-
-       if (!wdev->beacon_interval)
-               return -ENOENT;
 
-       err = rdev->ops->stop_ap(&rdev->wiphy, dev);
-       if (!err)
-               wdev->beacon_interval = 0;
-       return err;
+       return cfg80211_stop_ap(rdev, dev);
 }
 
 static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
@@ -2498,7 +2716,8 @@ static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
                                 int attr)
 {
        struct nlattr *rate;
-       u16 bitrate;
+       u32 bitrate;
+       u16 bitrate_compat;
 
        rate = nla_nest_start(msg, attr);
        if (!rate)
@@ -2506,8 +2725,12 @@ static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
 
        /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
        bitrate = cfg80211_calculate_bitrate(info);
+       /* report 16-bit bitrate only if we can */
+       bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0;
        if ((bitrate > 0 &&
-            nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate)) ||
+            nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) ||
+           (bitrate_compat > 0 &&
+            nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) ||
            ((info->flags & RATE_INFO_FLAGS_MCS) &&
             nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) ||
            ((info->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) &&
@@ -3360,6 +3583,7 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
 {
        int r;
        char *data = NULL;
+       enum nl80211_user_reg_hint_type user_reg_hint_type;
 
        /*
         * You should only get this when cfg80211 hasn't yet initialized
@@ -3379,7 +3603,21 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
 
        data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]);
 
-       r = regulatory_hint_user(data);
+       if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE])
+               user_reg_hint_type =
+                 nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]);
+       else
+               user_reg_hint_type = NL80211_USER_REG_HINT_USER;
+
+       switch (user_reg_hint_type) {
+       case NL80211_USER_REG_HINT_USER:
+       case NL80211_USER_REG_HINT_CELL_BASE:
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       r = regulatory_hint_user(data, user_reg_hint_type);
 
        return r;
 }
@@ -3469,7 +3707,13 @@ static int nl80211_get_mesh_config(struct sk_buff *skb,
            nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
                        cur_params.rssi_threshold) ||
            nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE,
-                       cur_params.ht_opmode))
+                       cur_params.ht_opmode) ||
+           nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
+                       cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
+           nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
+                       cur_params.dot11MeshHWMProotInterval) ||
+           nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
+                       cur_params.dot11MeshHWMPconfirmationInterval))
                goto nla_put_failure;
        nla_nest_end(msg, pinfoattr);
        genlmsg_end(msg, hdr);
@@ -3492,7 +3736,6 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A
        [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 },
        [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 },
        [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 },
-
        [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 },
        [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 },
        [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 },
@@ -3504,8 +3747,11 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A
        [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 },
        [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 },
        [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 },
-       [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32},
-       [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16},
+       [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 },
+       [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
+       [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
+       [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 },
+       [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 },
 };
 
 static const struct nla_policy
@@ -3515,7 +3761,7 @@ static const struct nla_policy
        [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
        [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
        [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
-               .len = IEEE80211_MAX_DATA_LEN },
+                                   .len = IEEE80211_MAX_DATA_LEN },
        [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG },
 };
 
@@ -3548,63 +3794,82 @@ do {\
 
        /* Fill in the params struct */
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout,
-                       mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16);
+                                 mask, NL80211_MESHCONF_RETRY_TIMEOUT,
+                                 nla_get_u16);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout,
-                       mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16);
+                                 mask, NL80211_MESHCONF_CONFIRM_TIMEOUT,
+                                 nla_get_u16);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout,
-                       mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16);
+                                 mask, NL80211_MESHCONF_HOLDING_TIMEOUT,
+                                 nla_get_u16);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks,
-                       mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16);
+                                 mask, NL80211_MESHCONF_MAX_PEER_LINKS,
+                                 nla_get_u16);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries,
-                       mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8);
+                                 mask, NL80211_MESHCONF_MAX_RETRIES,
+                                 nla_get_u8);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL,
-                       mask, NL80211_MESHCONF_TTL, nla_get_u8);
+                                 mask, NL80211_MESHCONF_TTL, nla_get_u8);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl,
-                       mask, NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8);
+                                 mask, NL80211_MESHCONF_ELEMENT_TTL,
+                                 nla_get_u8);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks,
-                       mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8);
-       FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor,
-                       mask, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
-                       nla_get_u32);
+                                 mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
+                                 nla_get_u8);
+       FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, mask,
+                                 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR,
+                                 nla_get_u32);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries,
-                       mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
-                       nla_get_u8);
+                                 mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES,
+                                 nla_get_u8);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time,
-                       mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32);
+                                 mask, NL80211_MESHCONF_PATH_REFRESH_TIME,
+                                 nla_get_u32);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout,
-                       mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
-                       nla_get_u16);
-       FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout,
-                       mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
-                       nla_get_u32);
+                                 mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT,
+                                 nla_get_u16);
+       FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, mask,
+                                 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT,
+                                 nla_get_u32);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval,
-                       mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
-                       nla_get_u16);
+                                 mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL,
+                                 nla_get_u16);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval,
-                       mask, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
-                       nla_get_u16);
-       FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
-                       dot11MeshHWMPnetDiameterTraversalTime,
-                       mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
-                       nla_get_u16);
-       FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
-                       dot11MeshHWMPRootMode, mask,
-                       NL80211_MESHCONF_HWMP_ROOTMODE,
-                       nla_get_u8);
+                                 mask, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
+                                 nla_get_u16);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
-                       dot11MeshHWMPRannInterval, mask,
-                       NL80211_MESHCONF_HWMP_RANN_INTERVAL,
-                       nla_get_u16);
+                                 dot11MeshHWMPnetDiameterTraversalTime, mask,
+                                 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
+                                 nla_get_u16);
+       FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask,
+                                 NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8);
+       FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask,
+                                 NL80211_MESHCONF_HWMP_RANN_INTERVAL,
+                                 nla_get_u16);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
-                       dot11MeshGateAnnouncementProtocol, mask,
-                       NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
-                       nla_get_u8);
+                                 dot11MeshGateAnnouncementProtocol, mask,
+                                 NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
+                                 nla_get_u8);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding,
-                       mask, NL80211_MESHCONF_FORWARDING, nla_get_u8);
+                                 mask, NL80211_MESHCONF_FORWARDING,
+                                 nla_get_u8);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold,
-                       mask, NL80211_MESHCONF_RSSI_THRESHOLD, nla_get_u32);
+                                 mask, NL80211_MESHCONF_RSSI_THRESHOLD,
+                                 nla_get_u32);
        FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode,
-                       mask, NL80211_MESHCONF_HT_OPMODE, nla_get_u16);
+                                 mask, NL80211_MESHCONF_HT_OPMODE,
+                                 nla_get_u16);
+       FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout,
+                                 mask,
+                                 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
+                                 nla_get_u32);
+       FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval,
+                                 mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
+                                 nla_get_u16);
+       FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
+                                 dot11MeshHWMPconfirmationInterval, mask,
+                                 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
+                                 nla_get_u16);
        if (mask_out)
                *mask_out = mask;
 
@@ -3722,6 +3987,11 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
                        cfg80211_regdomain->dfs_region)))
                goto nla_put_failure;
 
+       if (reg_last_request_cell_base() &&
+           nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
+                       NL80211_USER_REG_HINT_CELL_BASE))
+               goto nla_put_failure;
+
        nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES);
        if (!nl_reg_rules)
                goto nla_put_failure;
@@ -3887,7 +4157,7 @@ static int validate_scan_freqs(struct nlattr *freqs)
 static int nl80211_trigger_scan(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 wireless_dev *wdev = info->user_ptr[1];
        struct cfg80211_scan_request *request;
        struct nlattr *attr;
        struct wiphy *wiphy;
@@ -4047,15 +4317,16 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
        request->no_cck =
                nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]);
 
-       request->dev = dev;
+       request->wdev = wdev;
        request->wiphy = &rdev->wiphy;
 
        rdev->scan_req = request;
-       err = rdev->ops->scan(&rdev->wiphy, dev, request);
+       err = rdev->ops->scan(&rdev->wiphy, request);
 
        if (!err) {
-               nl80211_send_scan_start(rdev, dev);
-               dev_hold(dev);
+               nl80211_send_scan_start(rdev, wdev);
+               if (wdev->netdev)
+                       dev_hold(wdev->netdev);
        } else {
  out_free:
                rdev->scan_req = NULL;
@@ -4241,12 +4512,12 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
                nla_for_each_nested(attr,
                                    info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
                                    tmp) {
-                       struct nlattr *ssid;
+                       struct nlattr *ssid, *rssi;
 
                        nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
                                  nla_data(attr), nla_len(attr),
                                  nl80211_match_policy);
-                       ssid = tb[NL80211_ATTR_SCHED_SCAN_MATCH_SSID];
+                       ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
                        if (ssid) {
                                if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
                                        err = -EINVAL;
@@ -4257,6 +4528,12 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
                                request->match_sets[i].ssid.ssid_len =
                                        nla_len(ssid);
                        }
+                       rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
+                       if (rssi)
+                               request->rssi_thold = nla_get_u32(rssi);
+                       else
+                               request->rssi_thold =
+                                                  NL80211_SCAN_RSSI_THOLD_OFF;
                        i++;
                }
        }
@@ -5114,21 +5391,18 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
                                  nl80211_policy);
                if (err)
                        return err;
-               if (nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]) {
-                       phy_idx = nla_get_u32(
-                               nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]);
-               } else {
-                       struct net_device *netdev;
 
-                       err = get_rdev_dev_by_ifindex(sock_net(skb->sk),
-                                                     nl80211_fam.attrbuf,
-                                                     &rdev, &netdev);
-                       if (err)
-                               return err;
-                       dev_put(netdev);
-                       phy_idx = rdev->wiphy_idx;
-                       cfg80211_unlock_rdev(rdev);
+               mutex_lock(&cfg80211_mutex);
+               rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk),
+                                                 nl80211_fam.attrbuf);
+               if (IS_ERR(rdev)) {
+                       mutex_unlock(&cfg80211_mutex);
+                       return PTR_ERR(rdev);
                }
+               phy_idx = rdev->wiphy_idx;
+               rdev = NULL;
+               mutex_unlock(&cfg80211_mutex);
+
                if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
                        cb->args[1] =
                                (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA];
@@ -5359,8 +5633,10 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
                       sizeof(connect.ht_capa_mask));
 
        if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
-               if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
+               if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
+                       kfree(connkeys);
                        return -EINVAL;
+               }
                memcpy(&connect.ht_capa,
                       nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
                       sizeof(connect.ht_capa));
@@ -5530,7 +5806,7 @@ static int nl80211_remain_on_channel(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 wireless_dev *wdev = info->user_ptr[1];
        struct ieee80211_channel *chan;
        struct sk_buff *msg;
        void *hdr;
@@ -5578,7 +5854,7 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
                goto free_msg;
        }
 
-       err = rdev->ops->remain_on_channel(&rdev->wiphy, dev, chan,
+       err = rdev->ops->remain_on_channel(&rdev->wiphy, wdev, chan,
                                           channel_type, duration, &cookie);
 
        if (err)
@@ -5602,7 +5878,7 @@ static int nl80211_cancel_remain_on_channel(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 wireless_dev *wdev = info->user_ptr[1];
        u64 cookie;
 
        if (!info->attrs[NL80211_ATTR_COOKIE])
@@ -5613,7 +5889,7 @@ static int nl80211_cancel_remain_on_channel(struct sk_buff *skb,
 
        cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
 
-       return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie);
+       return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, wdev, cookie);
 }
 
 static u32 rateset_to_mask(struct ieee80211_supported_band *sband,
@@ -5762,7 +6038,7 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
 static int nl80211_register_mgmt(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 wireless_dev *wdev = info->user_ptr[1];
        u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION;
 
        if (!info->attrs[NL80211_ATTR_FRAME_MATCH])
@@ -5771,21 +6047,24 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
        if (info->attrs[NL80211_ATTR_FRAME_TYPE])
                frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]);
 
-       if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+       switch (wdev->iftype) {
+       case NL80211_IFTYPE_STATION:
+       case NL80211_IFTYPE_ADHOC:
+       case NL80211_IFTYPE_P2P_CLIENT:
+       case NL80211_IFTYPE_AP:
+       case NL80211_IFTYPE_AP_VLAN:
+       case NL80211_IFTYPE_MESH_POINT:
+       case NL80211_IFTYPE_P2P_GO:
+               break;
+       default:
                return -EOPNOTSUPP;
+       }
 
        /* not much point in registering if we can't reply */
        if (!rdev->ops->mgmt_tx)
                return -EOPNOTSUPP;
 
-       return cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid,
-                       frame_type,
+       return cfg80211_mlme_register_mgmt(wdev, info->snd_pid, frame_type,
                        nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
                        nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]));
 }
@@ -5793,7 +6072,7 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
 static int nl80211_tx_mgmt(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 wireless_dev *wdev = info->user_ptr[1];
        struct ieee80211_channel *chan;
        enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
        bool channel_type_valid = false;
@@ -5814,14 +6093,18 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
        if (!rdev->ops->mgmt_tx)
                return -EOPNOTSUPP;
 
-       if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+       switch (wdev->iftype) {
+       case NL80211_IFTYPE_STATION:
+       case NL80211_IFTYPE_ADHOC:
+       case NL80211_IFTYPE_P2P_CLIENT:
+       case NL80211_IFTYPE_AP:
+       case NL80211_IFTYPE_AP_VLAN:
+       case NL80211_IFTYPE_MESH_POINT:
+       case NL80211_IFTYPE_P2P_GO:
+               break;
+       default:
                return -EOPNOTSUPP;
+       }
 
        if (info->attrs[NL80211_ATTR_DURATION]) {
                if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX))
@@ -5870,7 +6153,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
                }
        }
 
-       err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, offchan, channel_type,
+       err = cfg80211_mlme_mgmt_tx(rdev, wdev, chan, offchan, channel_type,
                                    channel_type_valid, wait,
                                    nla_data(info->attrs[NL80211_ATTR_FRAME]),
                                    nla_len(info->attrs[NL80211_ATTR_FRAME]),
@@ -5898,7 +6181,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
 static int nl80211_tx_mgmt_cancel_wait(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 wireless_dev *wdev = info->user_ptr[1];
        u64 cookie;
 
        if (!info->attrs[NL80211_ATTR_COOKIE])
@@ -5907,17 +6190,21 @@ static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *in
        if (!rdev->ops->mgmt_tx_cancel_wait)
                return -EOPNOTSUPP;
 
-       if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
-           dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+       switch (wdev->iftype) {
+       case NL80211_IFTYPE_STATION:
+       case NL80211_IFTYPE_ADHOC:
+       case NL80211_IFTYPE_P2P_CLIENT:
+       case NL80211_IFTYPE_AP:
+       case NL80211_IFTYPE_AP_VLAN:
+       case NL80211_IFTYPE_P2P_GO:
+               break;
+       default:
                return -EOPNOTSUPP;
+       }
 
        cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
 
-       return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, dev, cookie);
+       return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, wdev, cookie);
 }
 
 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
@@ -6003,8 +6290,35 @@ nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = {
        [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
        [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
        [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
+       [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
+       [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
+       [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
 };
 
+static int nl80211_set_cqm_txe(struct genl_info *info,
+                               u32 rate, u32 pkts, u32 intvl)
+{
+       struct cfg80211_registered_device *rdev = info->user_ptr[0];
+       struct wireless_dev *wdev;
+       struct net_device *dev = info->user_ptr[1];
+
+       if ((rate < 0 || rate > 100) ||
+           (intvl < 0 || intvl > NL80211_CQM_TXE_MAX_INTVL))
+               return -EINVAL;
+
+       wdev = dev->ieee80211_ptr;
+
+       if (!rdev->ops->set_cqm_txe_config)
+               return -EOPNOTSUPP;
+
+       if (wdev->iftype != NL80211_IFTYPE_STATION &&
+           wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
+               return -EOPNOTSUPP;
+
+       return rdev->ops->set_cqm_txe_config(wdev->wiphy, dev,
+                                            rate, pkts, intvl);
+}
+
 static int nl80211_set_cqm_rssi(struct genl_info *info,
                                s32 threshold, u32 hysteresis)
 {
@@ -6052,6 +6366,14 @@ static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
                threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]);
                hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]);
                err = nl80211_set_cqm_rssi(info, threshold, hysteresis);
+       } else if (attrs[NL80211_ATTR_CQM_TXE_RATE] &&
+                  attrs[NL80211_ATTR_CQM_TXE_PKTS] &&
+                  attrs[NL80211_ATTR_CQM_TXE_INTVL]) {
+               u32 rate, pkts, intvl;
+               rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]);
+               pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]);
+               intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]);
+               err = nl80211_set_cqm_txe(info, rate, pkts, intvl);
        } else
                err = -EINVAL;
 
@@ -6126,6 +6448,7 @@ static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info)
        return cfg80211_leave_mesh(rdev, dev);
 }
 
+#ifdef CONFIG_PM
 static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info)
 {
        struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -6207,8 +6530,8 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
 {
        struct cfg80211_registered_device *rdev = info->user_ptr[0];
        struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG];
-       struct cfg80211_wowlan no_triggers = {};
        struct cfg80211_wowlan new_triggers = {};
+       struct cfg80211_wowlan *ntrig;
        struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan;
        int err, i;
        bool prev_enabled = rdev->wowlan;
@@ -6216,8 +6539,11 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
        if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns)
                return -EOPNOTSUPP;
 
-       if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS])
-               goto no_triggers;
+       if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
+               cfg80211_rdev_free_wowlan(rdev);
+               rdev->wowlan = NULL;
+               goto set_wakeup;
+       }
 
        err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
                        nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
@@ -6328,22 +6654,15 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
                }
        }
 
-       if (memcmp(&new_triggers, &no_triggers, sizeof(new_triggers))) {
-               struct cfg80211_wowlan *ntrig;
-               ntrig = kmemdup(&new_triggers, sizeof(new_triggers),
-                               GFP_KERNEL);
-               if (!ntrig) {
-                       err = -ENOMEM;
-                       goto error;
-               }
-               cfg80211_rdev_free_wowlan(rdev);
-               rdev->wowlan = ntrig;
-       } else {
- no_triggers:
-               cfg80211_rdev_free_wowlan(rdev);
-               rdev->wowlan = NULL;
+       ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL);
+       if (!ntrig) {
+               err = -ENOMEM;
+               goto error;
        }
+       cfg80211_rdev_free_wowlan(rdev);
+       rdev->wowlan = ntrig;
 
+ set_wakeup:
        if (rdev->ops->set_wakeup && prev_enabled != !!rdev->wowlan)
                rdev->ops->set_wakeup(&rdev->wiphy, rdev->wowlan);
 
@@ -6354,6 +6673,7 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
        kfree(new_triggers.patterns);
        return err;
 }
+#endif
 
 static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
 {
@@ -6498,44 +6818,75 @@ static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info)
 #define NL80211_FLAG_CHECK_NETDEV_UP   0x08
 #define NL80211_FLAG_NEED_NETDEV_UP    (NL80211_FLAG_NEED_NETDEV |\
                                         NL80211_FLAG_CHECK_NETDEV_UP)
+#define NL80211_FLAG_NEED_WDEV         0x10
+/* If a netdev is associated, it must be UP */
+#define NL80211_FLAG_NEED_WDEV_UP      (NL80211_FLAG_NEED_WDEV |\
+                                        NL80211_FLAG_CHECK_NETDEV_UP)
 
 static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
                            struct genl_info *info)
 {
        struct cfg80211_registered_device *rdev;
+       struct wireless_dev *wdev;
        struct net_device *dev;
-       int err;
        bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
 
        if (rtnl)
                rtnl_lock();
 
        if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
-               rdev = cfg80211_get_dev_from_info(info);
+               rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
                if (IS_ERR(rdev)) {
                        if (rtnl)
                                rtnl_unlock();
                        return PTR_ERR(rdev);
                }
                info->user_ptr[0] = rdev;
-       } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
-               err = get_rdev_dev_by_ifindex(genl_info_net(info), info->attrs,
-                                             &rdev, &dev);
-               if (err) {
+       } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
+                  ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
+               mutex_lock(&cfg80211_mutex);
+               wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
+                                                 info->attrs);
+               if (IS_ERR(wdev)) {
+                       mutex_unlock(&cfg80211_mutex);
                        if (rtnl)
                                rtnl_unlock();
-                       return err;
+                       return PTR_ERR(wdev);
                }
-               if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
-                   !netif_running(dev)) {
-                       cfg80211_unlock_rdev(rdev);
-                       dev_put(dev);
-                       if (rtnl)
-                               rtnl_unlock();
-                       return -ENETDOWN;
+
+               dev = wdev->netdev;
+               rdev = wiphy_to_dev(wdev->wiphy);
+
+               if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
+                       if (!dev) {
+                               mutex_unlock(&cfg80211_mutex);
+                               if (rtnl)
+                                       rtnl_unlock();
+                               return -EINVAL;
+                       }
+
+                       info->user_ptr[1] = dev;
+               } else {
+                       info->user_ptr[1] = wdev;
+               }
+
+               if (dev) {
+                       if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
+                           !netif_running(dev)) {
+                               mutex_unlock(&cfg80211_mutex);
+                               if (rtnl)
+                                       rtnl_unlock();
+                               return -ENETDOWN;
+                       }
+
+                       dev_hold(dev);
                }
+
+               cfg80211_lock_rdev(rdev);
+
+               mutex_unlock(&cfg80211_mutex);
+
                info->user_ptr[0] = rdev;
-               info->user_ptr[1] = dev;
        }
 
        return 0;
@@ -6546,8 +6897,16 @@ static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
 {
        if (info->user_ptr[0])
                cfg80211_unlock_rdev(info->user_ptr[0]);
-       if (info->user_ptr[1])
-               dev_put(info->user_ptr[1]);
+       if (info->user_ptr[1]) {
+               if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
+                       struct wireless_dev *wdev = info->user_ptr[1];
+
+                       if (wdev->netdev)
+                               dev_put(wdev->netdev);
+               } else {
+                       dev_put(info->user_ptr[1]);
+               }
+       }
        if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
                rtnl_unlock();
 }
@@ -6574,7 +6933,7 @@ static struct genl_ops nl80211_ops[] = {
                .dumpit = nl80211_dump_interface,
                .policy = nl80211_policy,
                /* can be retrieved by unprivileged users */
-               .internal_flags = NL80211_FLAG_NEED_NETDEV,
+               .internal_flags = NL80211_FLAG_NEED_WDEV,
        },
        {
                .cmd = NL80211_CMD_SET_INTERFACE,
@@ -6597,7 +6956,7 @@ static struct genl_ops nl80211_ops[] = {
                .doit = nl80211_del_interface,
                .policy = nl80211_policy,
                .flags = GENL_ADMIN_PERM,
-               .internal_flags = NL80211_FLAG_NEED_NETDEV |
+               .internal_flags = NL80211_FLAG_NEED_WDEV |
                                  NL80211_FLAG_NEED_RTNL,
        },
        {
@@ -6768,7 +7127,7 @@ static struct genl_ops nl80211_ops[] = {
                .doit = nl80211_trigger_scan,
                .policy = nl80211_policy,
                .flags = GENL_ADMIN_PERM,
-               .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+               .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
                                  NL80211_FLAG_NEED_RTNL,
        },
        {
@@ -6909,7 +7268,7 @@ static struct genl_ops nl80211_ops[] = {
                .doit = nl80211_remain_on_channel,
                .policy = nl80211_policy,
                .flags = GENL_ADMIN_PERM,
-               .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+               .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
                                  NL80211_FLAG_NEED_RTNL,
        },
        {
@@ -6917,7 +7276,7 @@ static struct genl_ops nl80211_ops[] = {
                .doit = nl80211_cancel_remain_on_channel,
                .policy = nl80211_policy,
                .flags = GENL_ADMIN_PERM,
-               .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+               .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
                                  NL80211_FLAG_NEED_RTNL,
        },
        {
@@ -6933,7 +7292,7 @@ static struct genl_ops nl80211_ops[] = {
                .doit = nl80211_register_mgmt,
                .policy = nl80211_policy,
                .flags = GENL_ADMIN_PERM,
-               .internal_flags = NL80211_FLAG_NEED_NETDEV |
+               .internal_flags = NL80211_FLAG_NEED_WDEV |
                                  NL80211_FLAG_NEED_RTNL,
        },
        {
@@ -6941,7 +7300,7 @@ static struct genl_ops nl80211_ops[] = {
                .doit = nl80211_tx_mgmt,
                .policy = nl80211_policy,
                .flags = GENL_ADMIN_PERM,
-               .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+               .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
                                  NL80211_FLAG_NEED_RTNL,
        },
        {
@@ -6949,7 +7308,7 @@ static struct genl_ops nl80211_ops[] = {
                .doit = nl80211_tx_mgmt_cancel_wait,
                .policy = nl80211_policy,
                .flags = GENL_ADMIN_PERM,
-               .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+               .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
                                  NL80211_FLAG_NEED_RTNL,
        },
        {
@@ -7008,6 +7367,7 @@ static struct genl_ops nl80211_ops[] = {
                .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
                                  NL80211_FLAG_NEED_RTNL,
        },
+#ifdef CONFIG_PM
        {
                .cmd = NL80211_CMD_GET_WOWLAN,
                .doit = nl80211_get_wowlan,
@@ -7024,6 +7384,7 @@ static struct genl_ops nl80211_ops[] = {
                .internal_flags = NL80211_FLAG_NEED_WIPHY |
                                  NL80211_FLAG_NEED_RTNL,
        },
+#endif
        {
                .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
                .doit = nl80211_set_rekey_data,
@@ -7158,7 +7519,7 @@ static int nl80211_add_scan_req(struct sk_buff *msg,
 
 static int nl80211_send_scan_msg(struct sk_buff *msg,
                                 struct cfg80211_registered_device *rdev,
-                                struct net_device *netdev,
+                                struct wireless_dev *wdev,
                                 u32 pid, u32 seq, int flags,
                                 u32 cmd)
 {
@@ -7169,7 +7530,9 @@ static int nl80211_send_scan_msg(struct sk_buff *msg,
                return -1;
 
        if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
-           nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex))
+           (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
+                                        wdev->netdev->ifindex)) ||
+           nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
                goto nla_put_failure;
 
        /* ignore errors and send incomplete event anyway */
@@ -7206,7 +7569,7 @@ nl80211_send_sched_scan_msg(struct sk_buff *msg,
 }
 
 void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
-                            struct net_device *netdev)
+                            struct wireless_dev *wdev)
 {
        struct sk_buff *msg;
 
@@ -7214,7 +7577,7 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
        if (!msg)
                return;
 
-       if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
+       if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
                                  NL80211_CMD_TRIGGER_SCAN) < 0) {
                nlmsg_free(msg);
                return;
@@ -7225,7 +7588,7 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
 }
 
 void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
-                           struct net_device *netdev)
+                           struct wireless_dev *wdev)
 {
        struct sk_buff *msg;
 
@@ -7233,7 +7596,7 @@ void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
        if (!msg)
                return;
 
-       if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
+       if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
                                  NL80211_CMD_NEW_SCAN_RESULTS) < 0) {
                nlmsg_free(msg);
                return;
@@ -7244,7 +7607,7 @@ void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
 }
 
 void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
-                              struct net_device *netdev)
+                              struct wireless_dev *wdev)
 {
        struct sk_buff *msg;
 
@@ -7252,7 +7615,7 @@ void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
        if (!msg)
                return;
 
-       if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0,
+       if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0,
                                  NL80211_CMD_SCAN_ABORTED) < 0) {
                nlmsg_free(msg);
                return;
@@ -7775,7 +8138,7 @@ nla_put_failure:
 
 static void nl80211_send_remain_on_chan_event(
        int cmd, struct cfg80211_registered_device *rdev,
-       struct net_device *netdev, u64 cookie,
+       struct wireless_dev *wdev, u64 cookie,
        struct ieee80211_channel *chan,
        enum nl80211_channel_type channel_type,
        unsigned int duration, gfp_t gfp)
@@ -7794,7 +8157,9 @@ static void nl80211_send_remain_on_chan_event(
        }
 
        if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
-           nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) ||
+           (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
+                                        wdev->netdev->ifindex)) ||
+           nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
            nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) ||
            nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type) ||
            nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie))
@@ -7816,23 +8181,24 @@ static void nl80211_send_remain_on_chan_event(
 }
 
 void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev,
-                                   struct net_device *netdev, u64 cookie,
+                                   struct wireless_dev *wdev, u64 cookie,
                                    struct ieee80211_channel *chan,
                                    enum nl80211_channel_type channel_type,
                                    unsigned int duration, gfp_t gfp)
 {
        nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL,
-                                         rdev, netdev, cookie, chan,
+                                         rdev, wdev, cookie, chan,
                                          channel_type, duration, gfp);
 }
 
 void nl80211_send_remain_on_channel_cancel(
-       struct cfg80211_registered_device *rdev, struct net_device *netdev,
+       struct cfg80211_registered_device *rdev,
+       struct wireless_dev *wdev,
        u64 cookie, struct ieee80211_channel *chan,
        enum nl80211_channel_type channel_type, gfp_t gfp)
 {
        nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
-                                         rdev, netdev, cookie, chan,
+                                         rdev, wdev, cookie, chan,
                                          channel_type, 0, gfp);
 }
 
@@ -7946,10 +8312,11 @@ bool nl80211_unexpected_4addr_frame(struct net_device *dev,
 }
 
 int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
-                     struct net_device *netdev, u32 nlpid,
+                     struct wireless_dev *wdev, u32 nlpid,
                      int freq, int sig_dbm,
                      const u8 *buf, size_t len, gfp_t gfp)
 {
+       struct net_device *netdev = wdev->netdev;
        struct sk_buff *msg;
        void *hdr;
 
@@ -7964,7 +8331,8 @@ int nl80211_send_mgmt(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) ||
+           (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
+                                       netdev->ifindex)) ||
            nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
            (sig_dbm &&
             nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
@@ -7982,10 +8350,11 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
 }
 
 void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev,
-                                struct net_device *netdev, u64 cookie,
+                                struct wireless_dev *wdev, u64 cookie,
                                 const u8 *buf, size_t len, bool ack,
                                 gfp_t gfp)
 {
+       struct net_device *netdev = wdev->netdev;
        struct sk_buff *msg;
        void *hdr;
 
@@ -8000,7 +8369,8 @@ void nl80211_send_mgmt_tx_status(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) ||
+           (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
+                                  netdev->ifindex)) ||
            nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
            nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
            (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
@@ -8183,6 +8553,56 @@ void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev,
        nlmsg_free(msg);
 }
 
+void
+nl80211_send_cqm_txe_notify(struct cfg80211_registered_device *rdev,
+                           struct net_device *netdev, const u8 *peer,
+                           u32 num_packets, u32 rate, u32 intvl, gfp_t gfp)
+{
+       struct sk_buff *msg;
+       struct nlattr *pinfoattr;
+       void *hdr;
+
+       msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+       if (!msg)
+               return;
+
+       hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM);
+       if (!hdr) {
+               nlmsg_free(msg);
+               return;
+       }
+
+       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_MAC, ETH_ALEN, peer))
+               goto nla_put_failure;
+
+       pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM);
+       if (!pinfoattr)
+               goto nla_put_failure;
+
+       if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets))
+               goto nla_put_failure;
+
+       if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate))
+               goto nla_put_failure;
+
+       if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl))
+               goto nla_put_failure;
+
+       nla_nest_end(msg, pinfoattr);
+
+       genlmsg_end(msg, hdr);
+
+       genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+                               nl80211_mlme_mcgrp.id, gfp);
+       return;
+
+ nla_put_failure:
+       genlmsg_cancel(msg, hdr);
+       nlmsg_free(msg);
+}
+
 void
 nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev,
                                struct net_device *netdev, const u8 *peer,
@@ -8324,7 +8744,7 @@ static int nl80211_netlink_notify(struct notifier_block * nb,
        rcu_read_lock();
 
        list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
-               list_for_each_entry_rcu(wdev, &rdev->netdev_list, list)
+               list_for_each_entry_rcu(wdev, &rdev->wdev_list, list)
                        cfg80211_mlme_unregister_socket(wdev, notify->pid);
                if (rdev->ap_beacons_nlpid == notify->pid)
                        rdev->ap_beacons_nlpid = 0;