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[IPV4]: TCP headers annotated

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Al Viro 2006-09-27 18:31:51 -07:00 committed by David S. Miller
parent 63007727e0
commit 46a97324a5
1 changed files with 8 additions and 8 deletions
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16
include/linux/tcp.h
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@ -21,10 +21,10 @@
#include <asm/byteorder.h>
struct tcphdr {
__u16 source;
__u16 dest;
__u32 seq;
__u32 ack_seq;
__be16 source;
__be16 dest;
__be32 seq;
__be32 ack_seq;
#if defined(__LITTLE_ENDIAN_BITFIELD)
__u16 res1:4,
doff:4,
@ -50,9 +50,9 @@ struct tcphdr {
#else
#error "Adjust your <asm/byteorder.h> defines"
#endif
__u16 window;
__u16 check;
__u16 urg_ptr;
__be16 window;
__be16 check;
__be16 urg_ptr;
};
/*
@ -62,7 +62,7 @@ struct tcphdr {
*/
union tcp_word_hdr {
struct tcphdr hdr;
__u32 words[5];
__be32 words[5];
};
#define tcp_flag_word(tp) ( ((union tcp_word_hdr *)(tp))->words [3])