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authorThomas Pedersen <thomas@cozybit.com>2011-11-24 17:15:21 -0800
committerJohn W. Linville <linville@tuxdriver.com>2011-11-28 14:44:03 -0500
commit7e3c88660b5b90f437cf466b1805089ccb764ee3 (patch)
tree7b624ef198521b908750da24b0577175e2c71235 /net/mac80211/mesh_pathtbl.c
parent4bb62344e4703414fd253ceb07c163ac37da80d4 (diff)
downloadlinux-7e3c88660b5b90f437cf466b1805089ccb764ee3.tar.bz2
mac80211: failed forwarded mesh frame addressing
Don't write the TA until next hop is actually known, since we might need the original TA for sending a PERR. Previously we would send a PERR to ourself if path resolution for a forwarded frame failed. Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/mesh_pathtbl.c')
-rw-r--r--net/mac80211/mesh_pathtbl.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 7bd2a76aef0e..4c50d8ade04f 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -221,6 +221,7 @@ void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta)
while ((skb = __skb_dequeue(&mpath->frame_queue)) != NULL) {
hdr = (struct ieee80211_hdr *) skb->data;
memcpy(hdr->addr1, sta->sta.addr, ETH_ALEN);
+ memcpy(hdr->addr2, mpath->sdata->vif.addr, ETH_ALEN);
__skb_queue_tail(&tmpq, skb);
}
@@ -264,6 +265,7 @@ static void prepare_for_gate(struct sk_buff *skb, char *dst_addr,
next_hop = rcu_dereference(gate_mpath->next_hop)->sta.addr;
memcpy(hdr->addr1, next_hop, ETH_ALEN);
rcu_read_unlock();
+ memcpy(hdr->addr2, gate_mpath->sdata->vif.addr, ETH_ALEN);
memcpy(hdr->addr3, dst_addr, ETH_ALEN);
}
@@ -990,7 +992,7 @@ void mesh_path_discard_frame(struct sk_buff *skb,
u8 *ra, *da;
da = hdr->addr3;
- ra = hdr->addr1;
+ ra = hdr->addr2;
rcu_read_lock();
mpath = mesh_path_lookup(da, sdata);
if (mpath) {
@@ -999,7 +1001,7 @@ void mesh_path_discard_frame(struct sk_buff *skb,
spin_unlock_bh(&mpath->state_lock);
}
rcu_read_unlock();
- mesh_path_error_tx(sdata->u.mesh.mshcfg.element_ttl, skb->data,
+ mesh_path_error_tx(sdata->u.mesh.mshcfg.element_ttl, da,
cpu_to_le32(sn), reason, ra, sdata);
}