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-rw-r--r--net/mac80211/tx.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index d2b4b67..11d0135 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1747,6 +1747,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
__le16 fc;
struct ieee80211_hdr hdr;
struct ieee80211s_hdr mesh_hdr __maybe_unused;
+ struct mesh_path *mppath = NULL;
const u8 *encaps_data;
int encaps_len, skip_header_bytes;
int nh_pos, h_pos;
@@ -1807,16 +1808,23 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
ret = NETDEV_TX_OK;
goto fail;
}
+ if (!is_multicast_ether_addr(skb->data))
+ mppath = mpp_path_lookup(skb->data, sdata);
+ /*
+ * Do not use address extension, if it is a packet from
+ * the same interface and the destination is not being
+ * proxied by any other mest point.
+ */
if (compare_ether_addr(sdata->vif.addr,
- skb->data + ETH_ALEN) == 0) {
+ skb->data + ETH_ALEN) == 0 &&
+ (!mppath || !compare_ether_addr(mppath->mpp, skb->data))) {
hdrlen = ieee80211_fill_mesh_addresses(&hdr, &fc,
skb->data, skb->data + ETH_ALEN);
meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr,
sdata, NULL, NULL);
} else {
/* packet from other interface */
- struct mesh_path *mppath;
int is_mesh_mcast = 1;
const u8 *mesh_da;
@@ -1827,8 +1835,6 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
else {
static const u8 bcast[ETH_ALEN] =
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
-
- mppath = mpp_path_lookup(skb->data, sdata);
if (mppath) {
/* RA TA mDA mSA AE:DA SA */
mesh_da = mppath->mpp;
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