[Xen-changelog] Make MTU rx check in netfront more permissive to allow for 8021q vlan tagging.

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID a5ee1cb525bbe8954dc3332ceec951e09a378b68
# Parent  c097485037f7417b77db34da198b62a9c9481dc5
Make MTU rx check in netfront more permissive to allow for 8021q vlan tagging.

Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>

diff -r c097485037f7 -r a5ee1cb525bb 
linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c
--- a/linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c      Wed Mar 15 
11:41:58 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c      Wed Mar 15 
11:52:33 2006
@@ -845,11 +845,11 @@
        }
 
        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);

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog