[PATCH 1/4] mac80211: mesh: flush stations before beacons are stopped
From: Yaniv Machani <hidden>
Date: 2016-06-28 11:11:09
Also in:
linux-wireless, lkml
Subsystem:
mac80211, the rest · Maintainers:
Johannes Berg, Linus Torvalds
From: Maital Hahn <redacted> Some drivers (e.g. wl18xx) expect that the last stage in the de-initialization process will be stopping the beacons, similar to ap. Update ieee80211_stop_mesh() flow accordingly. Signed-off-by: Maital Hahn <redacted> Acked-by: Yaniv Machani <redacted> --- net/mac80211/mesh.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 21b1fdf..9214bc1 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c@@ -896,20 +896,22 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata) netif_carrier_off(sdata->dev); + /* flush STAs and mpaths on this iface */ + sta_info_flush(sdata); + mesh_path_flush_by_iface(sdata); + /* stop the beacon */ ifmsh->mesh_id_len = 0; sdata->vif.bss_conf.enable_beacon = false; clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); + + /* remove beacon */ bcn = rcu_dereference_protected(ifmsh->beacon, lockdep_is_held(&sdata->wdev.mtx)); RCU_INIT_POINTER(ifmsh->beacon, NULL); kfree_rcu(bcn, rcu_head); - /* flush STAs and mpaths on this iface */ - sta_info_flush(sdata); - mesh_path_flush_by_iface(sdata); - /* free all potentially still buffered group-addressed frames */ local->total_ps_buffered -= skb_queue_len(&ifmsh->ps.bc_buf); skb_queue_purge(&ifmsh->ps.bc_buf);
--
2.9.0