From a361203e5c2854f50ef19a69c37e3cb3ae80e80a Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 5 Sep 1998 03:52:00 +0000 Subject: 1998-09-05 Roland McGrath * sysdeps/unix/sysv/linux/netinet/ip_icmp.h, sysdeps/unix/sysv/linux/netinet/tcp.h, sysdeps/unix/sysv/linux/netinet/udp.h: Moved to sysdeps/gnu/netinet. 1998-09-05 Roland McGrath * sysdeps/unix/sysv/linux/netinet/ip_icmp.h, sysdeps/unix/sysv/linux/netinet/tcp.h, sysdeps/unix/sysv/linux/netinet/udp.h: Moved to sysdeps/gnu/netinet. --- sysdeps/gnu/netinet/tcp.h | 165 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 165 insertions(+) create mode 100644 sysdeps/gnu/netinet/tcp.h (limited to 'sysdeps/gnu/netinet/tcp.h') diff --git a/sysdeps/gnu/netinet/tcp.h b/sysdeps/gnu/netinet/tcp.h new file mode 100644 index 0000000000..49fa180a00 --- /dev/null +++ b/sysdeps/gnu/netinet/tcp.h @@ -0,0 +1,165 @@ +/* + * Copyright (c) 1982, 1986, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)tcp.h 8.1 (Berkeley) 6/10/93 + */ + +#ifndef _NETINET_TCP_H +#define _NETINET_TCP_H 1 + +#include +#include + +__BEGIN_DECLS + +#ifdef __FAVOR_BSD +typedef u_int32_t tcp_seq; +/* + * TCP header. + * Per RFC 793, September, 1981. + */ +struct tcphdr + { + u_int16_t th_sport; /* source port */ + u_int16_t th_dport; /* destination port */ + tcp_seq th_seq; /* sequence number */ + tcp_seq th_ack; /* acknowledgement number */ +#if __BYTE_ORDER == __LITTLE_ENDIAN + u_int8_t th_x2:4; /* (unused) */ + u_int8_t th_off:4; /* data offset */ +#endif +#if __BYTE_ORDER == __BIG_ENDIAN + u_int8_t th_off:4; /* data offset */ + u_int8_t th_x2:4; /* (unused) */ +#endif + u_int8_t th_flags; +#define TH_FIN 0x01 +#define TH_SYN 0x02 +#define TH_RST 0x04 +#define TH_PUSH 0x08 +#define TH_ACK 0x10 +#define TH_URG 0x20 + u_int16_t th_win; /* window */ + u_int16_t th_sum; /* checksum */ + u_int16_t th_urp; /* urgent pointer */ +}; + +#else /* !__FAVOR_BSD */ +struct tcphdr + { + u_int16_t source; + u_int16_t dest; + u_int32_t seq; + u_int32_t ack_seq; +#if __BYTE_ORDER == __LITTLE_ENDIAN + u_int16_t res1:4; + u_int16_t doff:4; + u_int16_t fin:1; + u_int16_t syn:1; + u_int16_t rst:1; + u_int16_t psh:1; + u_int16_t ack:1; + u_int16_t urg:1; + u_int16_t res2:2; +#elif __BYTE_ORDER == __BIG_ENDIAN + u_int16_t doff:4; + u_int16_t res1:4; + u_int16_t res2:2; + u_int16_t urg:1; + u_int16_t ack:1; + u_int16_t psh:1; + u_int16_t rst:1; + u_int16_t syn:1; + u_int16_t fin:1; +#else +#error "Adjust your defines" +#endif + u_int16_t window; + u_int16_t check; + u_int16_t urg_ptr; +}; +#endif /* __FAVOR_BSD */ + +enum +{ + TCP_ESTABLISHED = 1, + TCP_SYN_SENT, + TCP_SYN_RECV, + TCP_FIN_WAIT1, + TCP_FIN_WAIT2, + TCP_TIME_WAIT, + TCP_CLOSE, + TCP_CLOSE_WAIT, + TCP_LAST_ACK, + TCP_LISTEN, + TCP_CLOSING /* now a valid state */ +}; + +#define TCPOPT_EOL 0 +#define TCPOPT_NOP 1 +#define TCPOPT_MAXSEG 2 +#define TCPOLEN_MAXSEG 4 +#define TCPOPT_WINDOW 3 +#define TCPOLEN_WINDOW 3 +#define TCPOPT_SACK_PERMITTED 4 /* Experimental */ +#define TCPOLEN_SACK_PERMITTED 2 +#define TCPOPT_SACK 5 /* Experimental */ +#define TCPOPT_TIMESTAMP 8 +#define TCPOLEN_TIMESTAMP 10 +#define TCPOLEN_TSTAMP_APPA (TCPOLEN_TIMESTAMP+2) /* appendix A */ + +#define TCPOPT_TSTAMP_HDR \ + (TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP) + +/* + * Default maximum segment size for TCP. + * With an IP MSS of 576, this is 536, + * but 512 is probably more convenient. + * This should be defined as MIN(512, IP_MSS - sizeof (struct tcpiphdr)). + */ +#define TCP_MSS 512 + +#define TCP_MAXWIN 65535 /* largest value for (unscaled) window */ + +#define TCP_MAX_WINSHIFT 14 /* maximum window shift */ + +/* + * User-settable options (used with setsockopt). + */ +#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */ +#define TCP_MAXSEG 0x02 /* set maximum segment size */ + +#define SOL_TCP 6 /* TCP level */ + +__END_DECLS + +#endif /* netinet/tcp.h */ -- cgit 1.4.1