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mac80211: improve cleanup when leaving mesh 

It is not necessary to stop the mesh beacon in the mac80211 ndo_stop
handler, since cfg80211 has already left the mesh on NETDEV_GOING_DOWN
notification.

Also some improvements to ieee80211_stop_mesh():

 - flush mpath entries.
 - flush sta entries per-sdata so we don't remove entries belonging to
   other vifs on the same hw.

Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Thomas Pedersen 2012-08-03 12:21:32 -07:00 committed by Johannes Berg
parent 19c3b8303d
commit 0d466b9c67
2 changed files with 5 additions and 9 deletions
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8
net/mac80211/iface.c
View File

@ -777,14 +777,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
synchronize_rcu();
skb_queue_purge(&sdata->skb_queue);
/*
* Disable beaconing here for mesh only, AP and IBSS
* are already taken care of.
*/
if (sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
ieee80211_bss_info_change_notify(sdata,
BSS_CHANGED_BEACON_ENABLED);
/*
* Free all remaining keys, there shouldn't be any,
* except maybe group keys in AP more or WDS?

6
net/mac80211/mesh.c
View File

@ -621,9 +621,13 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
netif_carrier_off(sdata->dev);
/* stop the beacon */
ifmsh->mesh_id_len = 0;
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
sta_info_flush(local, NULL);
/* flush STAs and mpaths on this iface */
sta_info_flush(sdata->local, sdata);
mesh_path_flush_by_iface(sdata);
del_timer_sync(&sdata->u.mesh.housekeeping_timer);
del_timer_sync(&sdata->u.mesh.mesh_path_root_timer);