1 files changed, 51 insertions, 11 deletions

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 75b0d23ee882..d4786f2802aa 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -4256,8 +4256,8 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
 	 * station. Include these parameters here and will check them in
 	 * cfg80211_check_station_change().
 	 */
-	if (info->attrs[NL80211_ATTR_PEER_AID])
-		params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]);
+	if (info->attrs[NL80211_ATTR_STA_AID])
+		params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
 
 	if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
 		params.listen_interval =
@@ -4359,6 +4359,8 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
 	struct net_device *dev = info->user_ptr[1];
 	struct station_parameters params;
 	u8 *mac_addr = NULL;
+	u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) |
+			 BIT(NL80211_STA_FLAG_ASSOCIATED);
 
 	memset(&params, 0, sizeof(params));
 
@@ -4470,10 +4472,23 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
 		/* allow authenticated/associated only if driver handles it */
 		if (!(rdev->wiphy.features &
 				NL80211_FEATURE_FULL_AP_CLIENT_STATE) &&
-		    params.sta_flags_mask &
-				(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
-				 BIT(NL80211_STA_FLAG_ASSOCIATED)))
-			return -EINVAL;
+		    params.sta_flags_mask & auth_assoc)
+			return -EINVAL;
+
+		/* Older userspace, or userspace wanting to be compatible with
+		 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
+		 * and assoc flags in the mask, but assumes the station will be
+		 * added as associated anyway since this was the required driver
+		 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
+		 * introduced.
+		 * In order to not bother drivers with this quirk in the API
+		 * set the flags in both the mask and set for new stations in
+		 * this case.
+		 */
+		if (!(params.sta_flags_mask & auth_assoc)) {
+			params.sta_flags_mask |= auth_assoc;
+			params.sta_flags_set |= auth_assoc;
+		}
 
 		/* must be last in here for error handling */
 		params.vlan = get_vlan(info, rdev);
@@ -5997,6 +6012,24 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
 	return err;
 }
 
+static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *rdev = info->user_ptr[0];
+	struct wireless_dev *wdev = info->user_ptr[1];
+
+	if (!rdev->ops->abort_scan)
+		return -EOPNOTSUPP;
+
+	if (rdev->scan_msg)
+		return 0;
+
+	if (!rdev->scan_req)
+		return -ENOENT;
+
+	rdev_abort_scan(rdev, wdev);
+	return 0;
+}
+
 static int
 nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans,
 			       struct cfg80211_sched_scan_request *request,
@@ -6507,8 +6540,7 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
 	if (WARN_ON(!cac_time_ms))
 		cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
 
-	err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef,
-					       cac_time_ms);
+	err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms);
 	if (!err) {
 		wdev->chandef = chandef;
 		wdev->cac_started = true;
@@ -7571,7 +7603,7 @@ static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info)
 	if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate))
 		return -EINVAL;
 
-	err = rdev->ops->set_mcast_rate(&rdev->wiphy, dev, mcast_rate);
+	err = rdev_set_mcast_rate(rdev, dev, mcast_rate);
 
 	return err;
 }
@@ -9719,7 +9751,7 @@ static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
 
 	if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) {
 		cfg80211_rdev_free_coalesce(rdev);
-		rdev->ops->set_coalesce(&rdev->wiphy, NULL);
+		rdev_set_coalesce(rdev, NULL);
 		return 0;
 	}
 
@@ -9747,7 +9779,7 @@ static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info)
 		i++;
 	}
 
-	err = rdev->ops->set_coalesce(&rdev->wiphy, &new_coalesce);
+	err = rdev_set_coalesce(rdev, &new_coalesce);
 	if (err)
 		goto error;
 
@@ -10949,6 +10981,14 @@ static const struct genl_ops nl80211_ops[] = {
 				  NL80211_FLAG_NEED_RTNL,
 	},
 	{
+		.cmd = NL80211_CMD_ABORT_SCAN,
+		.doit = nl80211_abort_scan,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+		.internal_flags = NL80211_FLAG_NEED_WDEV_UP |
+				  NL80211_FLAG_NEED_RTNL,
+	},
+	{
 		.cmd = NL80211_CMD_GET_SCAN,
 		.policy = nl80211_policy,
 		.dumpit = nl80211_dump_scan,