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virtio: Net header needs hdr_len

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It's far easier to deal with packets if we don't have to parse the
packet to figure out the header length to know how much to pull into
the skb data.  Add the field to the virtio_net_hdr struct (and fix the
spaces that somehow crept in there).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2008-02-04 23:50:01 -05:00
parent 24a5ae5d03
commit 50c8ea8080
2 changed files with 8 additions and 6 deletions
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3
drivers/net/virtio_net.c
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@@ -242,6 +242,7 @@ static int start_xmit(struct sk_buff *skb, struct net_device *dev)
}
if (skb_is_gso(skb)) {
hdr->hdr_len = skb_transport_header(skb) - skb->data;
hdr->gso_size = skb_shinfo(skb)->gso_size;
if (skb_shinfo(skb)->gso_type & SKB_GSO_TCP_ECN)
hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV4_ECN;
@@ -255,7 +256,7 @@ static int start_xmit(struct sk_buff *skb, struct net_device *dev)
BUG();
} else {
hdr->gso_type = VIRTIO_NET_HDR_GSO_NONE;
hdr->gso_size = 0;
hdr->gso_size = hdr->hdr_len = 0;
}
vnet_hdr_to_sg(sg, skb);