nl80211: user_mpm overrides auto_open_plinks

If the user requested a userspace MPM, automatically
disable auto_open_plinks to fully disable the kernel MPM.

Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

include/uapi/linux/nl80211.h

@@ -2467,8 +2467,10 @@ enum nl80211_mesh_power_mode {
  * @NL80211_MESHCONF_TTL: specifies the value of TTL field set at a source mesh
  *	point.
  *
- * @NL80211_MESHCONF_AUTO_OPEN_PLINKS: whether we should automatically
- *	open peer links when we detect compatible mesh peers.
+ * @NL80211_MESHCONF_AUTO_OPEN_PLINKS: whether we should automatically open
+ *	peer links when we detect compatible mesh peers. Disabled if
+ *	@NL80211_MESH_SETUP_USERSPACE_MPM or @NL80211_MESH_SETUP_USERSPACE_AMPE are
+ *	set.
  *
  * @NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES: the number of action frames
  *	containing a PREQ that an MP can send to a particular destination (path

net/wireless/nl80211.c

@@ -7449,6 +7449,9 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
 			return err;
 	}
 
+	if (setup.user_mpm)
+		cfg.auto_open_plinks = false;
+
 	if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
 		err = nl80211_parse_chandef(rdev, info, &setup.chandef);
 		if (err)