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authorChun-Yeow Yeoh <yeohchunyeow@cozybit.com>2013-08-22 10:28:58 -0700
committerJohannes Berg <johannes.berg@intel.com>2013-08-23 15:25:06 +0200
commita4ef66a915b957416a89a48365aea2ec2dc551f6 (patch)
tree4de470b8f12b518b85a9b8dd3bca3103632c4c44 /net/mac80211
parent1fb9026000e66ffe032b11ec724c1bc7d068198e (diff)
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mac80211: only respond to probe request with mesh ID
Previously, the mesh STA responds to probe request from legacy STA but now it will only respond to legacy STA if the legacy STA does include the specific mesh ID or wildcard mesh ID in the probe request. The iw patch "iw: scan using meshid" can be used either by legacy STA or by mesh STA to do active scanning by inserting the mesh ID in the probe request frame. Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@cozybit.com> Acked-by: Thomas Pedersen <thomas@cozybit.com> Acked-by: Javier Cardona <javier@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/mesh.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 885a5f6..707ac61 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -832,6 +832,9 @@ ieee80211_mesh_rx_probe_req(struct ieee80211_sub_if_data *sdata,
ieee802_11_parse_elems(pos, len - baselen, false, &elems);
+ if (!elems.mesh_id)
+ return;
+
/* 802.11-2012 10.1.4.3.2 */
if ((!ether_addr_equal(mgmt->da, sdata->vif.addr) &&
!is_broadcast_ether_addr(mgmt->da)) ||