Make MTU rx check in netfront more permissive to allow for 8021q vlan tagging.
authorkaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk>
Wed, 15 Mar 2006 11:52:33 +0000 (12:52 +0100)
committerkaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk>
Wed, 15 Mar 2006 11:52:33 +0000 (12:52 +0100)
Signed-off-by: Keir Fraser <keir@xensource.com>
linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c

index 79d86459d13f8fae78351018046167698d44d54c..2f52c52a3357479b99f9f7e075fb02070ccb8e38 100644 (file)
@@ -845,11 +845,11 @@ static int netif_poll(struct net_device *dev, int *pbudget)
        }
 
        while ((skb = __skb_dequeue(&rxq)) != NULL) {
-               if (skb->len > (dev->mtu + ETH_HLEN)) {
+               if (skb->len > (dev->mtu + ETH_HLEN + 4)) {
                        if (net_ratelimit())
                                printk(KERN_INFO "Received packet too big for "
                                       "MTU (%d > %d)\n",
-                                      skb->len - ETH_HLEN, dev->mtu);
+                                      skb->len - ETH_HLEN - 4, dev->mtu);
                        skb->len  = 0;
                        skb->tail = skb->data;
                        init_skb_shinfo(skb);