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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: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Thomas Pedersen 2012-10-20 19:03:10 -07:00 committed by Johannes Berg
parent 746a336582
commit 9a90bc8191
1 changed files with 5 additions and 4 deletions
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9
net/mac80211/mesh.c
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@ -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)