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>
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 4eafbfd..60798d6 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1974,7 +1974,6 @@
goto out;
fwd_hdr = (struct ieee80211_hdr *) fwd_skb->data;
- memcpy(fwd_hdr->addr2, sdata->vif.addr, ETH_ALEN);
info = IEEE80211_SKB_CB(fwd_skb);
memset(info, 0, sizeof(*info));
info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
@@ -1983,14 +1982,9 @@
if (is_multicast_ether_addr(fwd_hdr->addr1)) {
IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh,
fwded_mcast);
+ memcpy(fwd_hdr->addr2, sdata->vif.addr, ETH_ALEN);
} else {
int err;
- /*
- * Save TA to addr1 to send TA a path error if a
- * suitable next hop is not found
- */
- memcpy(fwd_hdr->addr1, fwd_hdr->addr2,
- ETH_ALEN);
err = mesh_nexthop_lookup(fwd_skb, sdata);
/* Failed to immediately resolve next hop:
* fwded frame was dropped or will be added