From: Joonwoo Park <joonwpark81@gmail.com>
Date: Thu, 29 Nov 2007 11:16:41 +0000 (+1100)
Subject: [VLAN]: Fix nested VLAN transmit bug
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=6ab3b487db77fa98a24560f11a5a8e744b98d877;p=deliverable%2Flinux.git

[VLAN]: Fix nested VLAN transmit bug

Fix misbehavior of vlan_dev_hard_start_xmit() for recursive encapsulations.

Signed-off-by: Joonwoo Park <joonwpark81@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 7a36878241da..4f99bb86af5c 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -462,7 +462,8 @@ int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	 * OTHER THINGS LIKE FDDI/TokenRing/802.3 SNAPs...
 	 */
 
-	if (veth->h_vlan_proto != htons(ETH_P_8021Q)) {
+	if (veth->h_vlan_proto != htons(ETH_P_8021Q) ||
+		VLAN_DEV_INFO(dev)->flags & VLAN_FLAG_REORDER_HDR) {
 		int orig_headroom = skb_headroom(skb);
 		unsigned short veth_TCI;