提交 163df6cf 编写于 作者: C Chun-Yeow Yeoh 提交者: Johannes Berg

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: NCedric Voncken <cedric.voncken@acksys.fr>
Signed-off-by: NChun-Yeow Yeoh <yeohchunyeow@gmail.com>
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
上级 162589f7
......@@ -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);
}
/*
......
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