mac80211: notify peer when shutting down peer link

Send a Mesh Peering Close frame when we deactivate a mesh peer link.

Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 4396906..1213a23 100644 (file)
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -43,6 +43,10 @@ enum plink_event {
        CLS_IGNR
 };
 
+static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
+               enum ieee80211_self_protected_actioncode action,
+               u8 *da, __le16 llid, __le16 plid, __le16 reason);
+
 static inline
 void mesh_plink_inc_estab_count(struct ieee80211_sub_if_data *sdata)
 {
@@ -133,6 +137,10 @@ void mesh_plink_deactivate(struct sta_info *sta)
 
        spin_lock_bh(&sta->lock);
        deactivated = __mesh_plink_deactivate(sta);
+       sta->reason = cpu_to_le16(WLAN_REASON_MESH_PEER_CANCELED);
+       mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,
+                           sta->sta.addr, sta->llid, sta->plid,
+                           sta->reason);
        spin_unlock_bh(&sta->lock);
 
        if (deactivated)