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Commit 46a97324 authored by Al Viro's avatar Al Viro Committed by David S. Miller
Browse files

[IPV4]: TCP headers annotated 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 63007727

include/linux/tcp.h

+8 −8
Original line number Diff line number Diff line
@@ -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])