Commit 9a90bc81 authored by Thomas Pedersen's avatar Thomas Pedersen Committed by Johannes Berg
Browse files

mac80211: mesh STAs only process mesh beacons 



Before, a mesh STA would execute some code on behalf of AP or IBSS
beacons. Since the mesh stack currently does not consider anything but
other mesh STAs interesting, limit processing to just these and save a
little overhead.

Signed-off-by: default avatarThomas Pedersen <thomas@cozybit.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 746a3365

net/mac80211/mesh.c

+5 −4
Original line number Diff line number Diff line
@@ -703,8 +703,10 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, 
	ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,

			       &elems);



	/* ignore beacons from secure mesh peers if our security is off */

	if (elems.rsn_len && sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE)

	/* ignore non-mesh or secure / unsecure mismatch */

	if ((!elems.mesh_id || !elems.mesh_config) ||

	    (elems.rsn && sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) ||

	    (!elems.rsn && sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE))

		return;



	if (elems.ds_params && elems.ds_params_len == 1)
@@ -717,8 +719,7 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, 
	if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)

		return;



	if (elems.mesh_id && elems.mesh_config &&

	    mesh_matches_local(sdata, &elems))

	if (mesh_matches_local(sdata, &elems))

		mesh_neighbour_update(sdata, mgmt->sa, &elems);



	if (ifmsh->sync_ops)

CRA Git | Maintained and supported by SUSTech CRA and CCSE