Re: VLAN interface on top of the bridge interface

Please test this.

--- bridge.orig/net/bridge/br_forward.c	2006-04-10 16:17:51.000000000 -0700
+++ bridge/net/bridge/br_forward.c	2006-04-19 13:50:42.000000000 -0700
@@ -16,6 +16,7 @@
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
+#include <linux/if_vlan.h>
 #include <linux/netfilter_bridge.h>
 #include "br_private.h"
 
@@ -29,10 +30,15 @@
 	return 1;
 }
 
+static inline unsigned packet_length(const struct sk_buff *skb)
+{
+	return skb->len - (skb->protocol == htons(ETH_P_8021Q) ? VLAN_HLEN : 0);
+}
+
 int br_dev_queue_push_xmit(struct sk_buff *skb)
 {
 	/* drop mtu oversized packets except tso */
-	if (skb->len > skb->dev->mtu && !skb_shinfo(skb)->tso_size)
+	if (packet_length(skb) > skb->dev->mtu && !skb_shinfo(skb)->tso_size)
 		kfree_skb(skb);
 	else {
 #ifdef CONFIG_BRIDGE_NETFILTER


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