* Rewrote tcp.h header - however, I think it should only include the TCP options
that can be set via setsockopt(). * For now, the struct tcphdr and its definitions are also part of the header. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19383 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
+64
-77
@@ -1,97 +1,84 @@
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/*
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* Copyright (c) 1982, 1986, 1993
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*The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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*
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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*
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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* Copyright 2006, Haiku Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef NETINET_TCP_H
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#define NETINET_TCP_H
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#include <endian.h>
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#include <stdint.h>
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typedef uint32_t tcp_seq;
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// TODO: if tcpdump is the only potential user of the part commented out, remove it
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#if 0
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struct tcphdr {
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uint16_t th_sport; /* src port */
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uint16_t th_dport; /* dest. port */
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tcp_seq th_seq; /* seq number */
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tcp_seq th_ack; /* ack number */
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uint16_t th_sport; /* source port */
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uint16_t th_dport; /* destination port */
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uint32_t th_seq;
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uint32_t th_ack;
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#if B_HOST_IS_BENDIAN
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uint8_t th_off:4,
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th_x2:4;
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#if BIG_ENDIAN
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uint8_t th_off : 4; /* data offset */
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uint8_t th_x2 : 4; /* unused */
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#else
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uint8_t th_x2:4, /* unused */
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th_off:4; /* data offset */
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uint8_t th_x2 : 4;
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uint8_t th_off : 4;
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#endif
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uint8_t th_flags; /* ACK, FIN, PUSH, RST, SYN, URG */
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uint16_t th_win; /* advertised window */
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uint16_t th_sum; /* checksum */
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uint16_t th_urp; /* urgent offset */
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uint8_t th_flags;
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uint16_t th_win;
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uint16_t th_sum;
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uint16_t th_urp; /* end of urgent data offset */
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} _PACKED;
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#define TH_FIN 0x01
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#define TH_SYN 0x02
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#define TH_RST 0x04
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#define TH_PUSH 0x08
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#define TH_ACK 0x10
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#define TH_URG 0x20
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#define TH_FIN 0x01
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#define TH_SYN 0x02
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#define TH_RST 0x04
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#define TH_PUSH 0x08
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#define TH_ACK 0x10
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#define TH_URG 0x20
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#define TH_ECE 0x40
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#define TH_CWR 0x80
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#define TCPOPT_EOL 0
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#define TCPOPT_NOP 1
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#define TCPOPT_MAXSEG 2
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#define TCPOPT_WINDOW 3
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#define TCPOPT_SACK_PERMITTED 4 /* Experimental */
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#define TCPOPT_SACK 5 /* Experimental */
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#define TCPOPT_TIMESTAMP 8
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#define TCPOPT_SIGNATURE 19
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#define TCPOPT_EOL 0
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#define TCPOPT_NOP 1
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#define TCPOPT_MAXSEG 2
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#define TCPOPT_WINDOW 3
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#define TCPOPT_SACK_PERMITTED 4
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#define TCPOPT_SACK 5
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#define TCPOPT_TIMESTAMP 8
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#define TCPOPT_SIGNATURE 19
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#define MAX_TCPOPTLEN 40 /* Absolute maximum TCP options len */
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#define MAX_TCPOPTLEN 40
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/* absolute maximum TCP options length */
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#define TCPOLEN_MAXSEG 4
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#define TCPOLEN_WINDOW 3
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#define TCPOLEN_SACK 8 /* 2*sizeof(tcp_seq) */
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#define TCPOLEN_SACK_PERMITTED 2
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#define TCPOLEN_TIMESTAMP 10
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#define TCPOLEN_TSTAMP_APPA (TCPOLEN_TIMESTAMP+2) /* appendix A */
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#define TCPOLEN_SIGNATURE 18
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#define TCPOLEN_MAXSEG 4
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#define TCPOLEN_WINDOW 3
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#define TCPOLEN_SACK 8
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#define TCPOLEN_SACK_PERMITTED 2
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#define TCPOLEN_TIMESTAMP 10
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#define TCPOLEN_TSTAMP_APPA (TCPOLEN_TIMESTAMP + 2)
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/* see RFC 1323, appendix A */
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#define TCPOLEN_SIGNATURE 18
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#define TCPOPT_TSTAMP_HDR \
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(TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP)
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#define TCPOPT_TSTAMP_HDR \
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(TCPOPT_NOP << 24 | TCPOPT_NOP << 16 | TCPOPT_TIMESTAMP << 8 | TCPOLEN_TIMESTAMP)
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#define TCP_MSS 512
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#define TCP_MAXWIN 65535
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#define TCP_MAX_WINSHIFT 14
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#define TCP_MSS 536
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#define TCP_MAXWIN 65535
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#define TCP_MAX_WINSHIFT 14
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#endif
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#endif /* NETINET_TCP_H */
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/* options that can be set using setsockopt() and level IPPROTO_TCP */
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#define TCP_NODELAY 0x01
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/* don't delay sending smaller packets */
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#define TCP_MAXSEG 0x02
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/* set maximum segment size */
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#define TCP_NOPUSH 0x04
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/* don't use TH_PUSH */
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#define TCP_NOOPT 0x08
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/* don't use any TCP options */
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#endif /* NETINET_TCP_H */
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