46 lines
794 B
C
46 lines
794 B
C
|
/*
|
||
|
|
server/ip/gen/tcp_hdr.h
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __SERVER__IP__GEN__TCP_HDR_H__
|
||
|
|
#define __SERVER__IP__GEN__TCP_HDR_H__
|
||
|
|
|
||
|
|
typedef struct tcp_hdr
|
||
|
|
{
|
||
|
|
tcpport_t th_srcport;
|
||
|
|
tcpport_t th_dstport;
|
||
|
|
u32_t th_seq_nr;
|
||
|
|
u32_t th_ack_nr;
|
||
|
|
u8_t th_data_off;
|
||
|
|
u8_t th_flags;
|
||
|
|
u16_t th_window;
|
||
|
|
u16_t th_chksum;
|
||
|
|
u16_t th_urgptr;
|
||
|
|
} tcp_hdr_t;
|
||
|
|
|
||
|
|
#define TH_DO_MASK 0xf0
|
||
|
|
|
||
|
|
#define TH_FLAGS_MASK 0x3f
|
||
|
|
#define THF_FIN 0x1
|
||
|
|
#define THF_SYN 0x2
|
||
|
|
#define THF_RST 0x4
|
||
|
|
#define THF_PSH 0x8
|
||
|
|
#define THF_ACK 0x10
|
||
|
|
#define THF_URG 0x20
|
||
|
|
|
||
|
|
typedef struct tcp_hdropt
|
||
|
|
{
|
||
|
|
int tho_opt_siz;
|
||
|
|
u8_t tho_data[TCP_MAX_HDR_SIZE-TCP_MIN_HDR_SIZE];
|
||
|
|
} tcp_hdropt_t;
|
||
|
|
|
||
|
|
#define TCP_OPT_EOL 0
|
||
|
|
#define TCP_OPT_NOP 1
|
||
|
|
#define TCP_OPT_MSS 2
|
||
|
|
|
||
|
|
#endif /* __SERVER__IP__GEN__TCP_HDR_H__ */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* $PchId: tcp_hdr.h,v 1.3 1995/11/17 22:18:13 philip Exp $
|
||
|
|
*/
|