0fae873352
Cleaned up some header style violations, making sure there are two blank lines after the header guards. This fixes the posix header part of #2191. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39288 a95241bf-73f2-0310-859d-f6bbb57e9c96
84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
/*
|
|
* Copyright 2006-2010 Haiku Inc. All Rights Reserved.
|
|
* Distributed under the terms of the MIT License.
|
|
*/
|
|
#ifndef NETINET_TCP_H
|
|
#define NETINET_TCP_H
|
|
|
|
|
|
#include <endian.h>
|
|
#include <stdint.h>
|
|
|
|
|
|
struct tcphdr {
|
|
uint16_t th_sport; /* source port */
|
|
uint16_t th_dport; /* destination port */
|
|
uint32_t th_seq;
|
|
uint32_t th_ack;
|
|
|
|
#if BIG_ENDIAN
|
|
uint8_t th_off : 4; /* data offset */
|
|
uint8_t th_x2 : 4; /* unused */
|
|
#else
|
|
uint8_t th_x2 : 4;
|
|
uint8_t th_off : 4;
|
|
#endif
|
|
uint8_t th_flags;
|
|
uint16_t th_win;
|
|
uint16_t th_sum;
|
|
uint16_t th_urp; /* end of urgent data offset */
|
|
} _PACKED;
|
|
|
|
#if 0
|
|
#define TH_FIN 0x01
|
|
#define TH_SYN 0x02
|
|
#define TH_RST 0x04
|
|
#define TH_PUSH 0x08
|
|
#define TH_ACK 0x10
|
|
#define TH_URG 0x20
|
|
#define TH_ECE 0x40
|
|
#define TH_CWR 0x80
|
|
|
|
#define TCPOPT_EOL 0
|
|
#define TCPOPT_NOP 1
|
|
#define TCPOPT_MAXSEG 2
|
|
#define TCPOPT_WINDOW 3
|
|
#define TCPOPT_SACK_PERMITTED 4
|
|
#define TCPOPT_SACK 5
|
|
#define TCPOPT_TIMESTAMP 8
|
|
#define TCPOPT_SIGNATURE 19
|
|
|
|
#define MAX_TCPOPTLEN 40
|
|
/* absolute maximum TCP options length */
|
|
|
|
#define TCPOLEN_MAXSEG 4
|
|
#define TCPOLEN_WINDOW 3
|
|
#define TCPOLEN_SACK 8
|
|
#define TCPOLEN_SACK_PERMITTED 2
|
|
#define TCPOLEN_TIMESTAMP 10
|
|
#define TCPOLEN_TSTAMP_APPA (TCPOLEN_TIMESTAMP + 2)
|
|
/* see RFC 1323, appendix A */
|
|
#define TCPOLEN_SIGNATURE 18
|
|
|
|
#define TCPOPT_TSTAMP_HDR \
|
|
(TCPOPT_NOP << 24 | TCPOPT_NOP << 16 | TCPOPT_TIMESTAMP << 8 | TCPOLEN_TIMESTAMP)
|
|
|
|
#define TCP_MSS 536
|
|
#define TCP_MAXWIN 65535
|
|
#define TCP_MAX_WINSHIFT 14
|
|
|
|
#endif
|
|
|
|
/* options that can be set using setsockopt() and level IPPROTO_TCP */
|
|
|
|
#define TCP_NODELAY 0x01
|
|
/* don't delay sending smaller packets */
|
|
#define TCP_MAXSEG 0x02
|
|
/* set maximum segment size */
|
|
#define TCP_NOPUSH 0x04
|
|
/* don't use TH_PUSH */
|
|
#define TCP_NOOPT 0x08
|
|
/* don't use any TCP options */
|
|
|
|
#endif /* NETINET_TCP_H */
|