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[VLAN]: Fix hardware rx csum errors

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Receiving VLAN packets over a device (without VLAN assist) that is
doing hardware checksumming (CHECKSUM_HW), causes errors because the
VLAN code forgets to adjust the hardware checksum.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2005-12-14 16:23:16 -08:00 committed by David S. Miller
parent 28247644cc
commit a388442c37
1 changed files with 3 additions and 0 deletions
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3
net/8021q/vlan_dev.c
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@ -165,6 +165,9 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
skb_pull(skb, VLAN_HLEN); /* take off the VLAN header (4 bytes currently) */ skb_pull(skb, VLAN_HLEN); /* take off the VLAN header (4 bytes currently) */
/* Need to correct hardware checksum */
skb_postpull_rcsum(skb, vhdr, VLAN_HLEN);
/* Ok, lets check to make sure the device (dev) we /* Ok, lets check to make sure the device (dev) we
* came in on is what this VLAN is attached to. * came in on is what this VLAN is attached to.
*/ */