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[SK_BUFF]: Introduce tcp_hdr(), remove skb->h.th

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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
2007-04-10 21:04:22 -07:00
committed by David S. Miller
parent ab6a5bb6b2
commit aa8223c7bb
23 changed files with 134 additions and 122 deletions
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9
include/linux/tcp.h
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@ -178,14 +178,19 @@ struct tcp_md5sig {
#include <net/inet_connection_sock.h>
#include <net/inet_timewait_sock.h>
static inline struct tcphdr *tcp_hdr(const struct sk_buff *skb)
{
return (struct tcphdr *)skb->h.raw;
}
static inline unsigned int tcp_hdrlen(const struct sk_buff *skb)
{
return skb->h.th->doff * 4;
return tcp_hdr(skb)->doff * 4;
}
static inline unsigned int tcp_optlen(const struct sk_buff *skb)
{
return (skb->h.th->doff - 5) * 4;
return (tcp_hdr(skb)->doff - 5) * 4;
}
/* This defines a selective acknowledgement block. */