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mac80211: fix the problem of forwarding from DS to DS in Mesh 

Unicast frame with unknown forwarding information always trigger
the path discovery assuming destination is always located inside the
MBSS. This patch allows the forwarding to look for mesh gate if path
discovery inside the MBSS has failed.

Reported-by: Cedric Voncken <cedric.voncken@acksys.fr>
Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Chun-Yeow Yeoh 2013-02-19 10:04:50 +08:00 committed by Johannes Berg
parent 162589f7b1
commit 163df6cf29
1 changed files with 16 additions and 1 deletions
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17
net/mac80211/tx.c
View File

@ -1844,9 +1844,24 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
}
if (!is_multicast_ether_addr(skb->data)) {
struct sta_info *next_hop;
bool mpp_lookup = true;
mpath = mesh_path_lookup(sdata, skb->data);
if (!mpath)
if (mpath) {
mpp_lookup = false;
next_hop = rcu_dereference(mpath->next_hop);
if (!next_hop ||
!(mpath->flags & (MESH_PATH_ACTIVE |
MESH_PATH_RESOLVING)))
mpp_lookup = true;
}
if (mpp_lookup)
mppath = mpp_path_lookup(sdata, skb->data);
if (mppath && mpath)
mesh_path_del(mpath->sdata, mpath->dst);
}
/*