Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[firefly-linux-kernel-4.4.55.git] / net / mac80211 / mesh.c

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 85572353a7e37d59b64ced140d75f7a9b8d3fb81..0e2f83e71277f37176226c7c41e5fd03a9cb8abb 100644 (file)
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -136,10 +136,13 @@ bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie)
  * mesh_accept_plinks_update - update accepting_plink in local mesh beacons
  *
  * @sdata: mesh interface in which mesh beacons are going to be updated
+ *
+ * Returns: beacon changed flag if the beacon content changed.
  */
-void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata)
+u32 mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata)
 {
        bool free_plinks;
+       u32 changed = 0;
 
        /* In case mesh_plink_free_count > 0 and mesh_plinktbl_capacity == 0,
         * the mesh interface might be able to establish plinks with peers that
@@ -149,8 +152,12 @@ void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata)
         */
        free_plinks = mesh_plink_availables(sdata);
 
-       if (free_plinks != sdata->u.mesh.accepting_plinks)
-               ieee80211_mesh_housekeeping_timer((unsigned long) sdata);
+       if (free_plinks != sdata->u.mesh.accepting_plinks) {
+               sdata->u.mesh.accepting_plinks = free_plinks;
+               changed = BSS_CHANGED_BEACON;
+       }
+
+       return changed;
 }
 
 int mesh_rmc_init(struct ieee80211_sub_if_data *sdata)
@@ -262,7 +269,6 @@ mesh_add_meshconf_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
        neighbors = (neighbors > 15) ? 15 : neighbors;
        *pos++ = neighbors << 1;
        /* Mesh capability */
-       ifmsh->accepting_plinks = mesh_plink_availables(sdata);
        *pos = MESHCONF_CAPAB_FORWARDING;
        *pos |= ifmsh->accepting_plinks ?
            MESHCONF_CAPAB_ACCEPT_PLINKS : 0x00;
@@ -521,14 +527,13 @@ int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr,
 static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata,
                           struct ieee80211_if_mesh *ifmsh)
 {
-       bool free_plinks;
+       u32 changed;
 
        ieee80211_sta_expire(sdata, IEEE80211_MESH_PEER_INACTIVITY_LIMIT);
        mesh_path_expire(sdata);
 
-       free_plinks = mesh_plink_availables(sdata);
-       if (free_plinks != sdata->u.mesh.accepting_plinks)
-               ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
+       changed = mesh_accept_plinks_update(sdata);
+       ieee80211_bss_info_change_notify(sdata, changed);
 
        mod_timer(&ifmsh->housekeeping_timer,
                  round_jiffies(jiffies + IEEE80211_MESH_HOUSEKEEPING_INTERVAL));