[IPV4]: TCP headers annotated

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

View File

@@ -21,10 +21,10 @@
#include <asm/byteorder.h> #include <asm/byteorder.h>
struct tcphdr { struct tcphdr {
__u16 source; __be16 source;
__u16 dest; __be16 dest;
__u32 seq; __be32 seq;
__u32 ack_seq; __be32 ack_seq;
#if defined(__LITTLE_ENDIAN_BITFIELD) #if defined(__LITTLE_ENDIAN_BITFIELD)
__u16 res1:4, __u16 res1:4,
doff:4, doff:4,
@@ -50,9 +50,9 @@ struct tcphdr {
#else #else
#error "Adjust your <asm/byteorder.h> defines" #error "Adjust your <asm/byteorder.h> defines"
#endif #endif
__u16 window; __be16 window;
__u16 check; __be16 check;
__u16 urg_ptr; __be16 urg_ptr;
}; };
/* /*
@@ -62,7 +62,7 @@ struct tcphdr {
*/ */
union tcp_word_hdr { union tcp_word_hdr {
struct tcphdr hdr; struct tcphdr hdr;
__u32 words[5]; __be32 words[5];
}; };
#define tcp_flag_word(tp) ( ((union tcp_word_hdr *)(tp))->words [3]) #define tcp_flag_word(tp) ( ((union tcp_word_hdr *)(tp))->words [3])