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[SK_BUFF]: Introduce skb_transport_header(skb)

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For the places where we need a pointer to the transport header, it is
still legal to touch skb->h.raw directly if just adding to,
subtracting from or setting it to another layer header.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2007-04-25 18:04:18 -07:00
committed by David S. Miller
parent a27ef749e7
commit 9c70220b73
42 changed files with 129 additions and 102 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
net/ipv4/tcp.c
View File

@@ -2219,8 +2219,9 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features)
th->check = ~csum_fold((__force __wsum)((__force u32)th->check +
(__force u32)delta));
if (skb->ip_summed != CHECKSUM_PARTIAL)
th->check = csum_fold(csum_partial(skb->h.raw, thlen,
skb->csum));
th->check =
csum_fold(csum_partial(skb_transport_header(skb),
thlen, skb->csum));
seq += len;
skb = skb->next;
@@ -2230,12 +2231,13 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features)
th->cwr = 0;
} while (skb->next);
delta = htonl(oldlen + (skb->tail - skb->h.raw) + skb->data_len);
delta = htonl(oldlen + (skb->tail - skb_transport_header(skb)) +
skb->data_len);
th->check = ~csum_fold((__force __wsum)((__force u32)th->check +
(__force u32)delta));
if (skb->ip_summed != CHECKSUM_PARTIAL)
th->check = csum_fold(csum_partial(skb->h.raw, thlen,
skb->csum));
th->check = csum_fold(csum_partial(skb_transport_header(skb),
thlen, skb->csum));
out:
return segs;