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OpenCloudOS-Kernel
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sfc: Stop changing header offsets on TX 

There is nothing in the VLAN driver or core VLAN support that
invalidates the TCP and IP header offsets.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings 2012-06-28 21:55:15 +01:00
parent e718905c4b
commit f7cbb163d9
1 changed files with 0 additions and 9 deletions
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9
drivers/net/ethernet/sfc/tx.c
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@ -651,17 +651,8 @@ static __be16 efx_tso_check_protocol(struct sk_buff *skb)
EFX_BUG_ON_PARANOID(((struct ethhdr *)skb->data)->h_proto != EFX_BUG_ON_PARANOID(((struct ethhdr *)skb->data)->h_proto !=
protocol); protocol);
if (protocol == htons(ETH_P_8021Q)) { if (protocol == htons(ETH_P_8021Q)) {
/* Find the encapsulated protocol; reset network header
* and transport header based on that. */
struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
protocol = veh->h_vlan_encapsulated_proto; protocol = veh->h_vlan_encapsulated_proto;
skb_set_network_header(skb, sizeof(*veh));
if (protocol == htons(ETH_P_IP))
skb_set_transport_header(skb, sizeof(*veh) +
4 * ip_hdr(skb)->ihl);
else if (protocol == htons(ETH_P_IPV6))
skb_set_transport_header(skb, sizeof(*veh) +
sizeof(struct ipv6hdr));
} }
if (protocol == htons(ETH_P_IP)) { if (protocol == htons(ETH_P_IP)) {