It is accomplished ...

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-07-09 12:24:59 +00:00
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+/*
+ * 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.
+ *
+ */   
+
+#ifndef NETINET_TCP_H
+#define NETINET_TCP_H
+
+typedef uint32 tcp_seq;
+
+struct tcphdr {
+	uint16 th_sport;        /* src port */
+	uint16 th_dport;        /* dest. port */
+	tcp_seq th_seq;         /* seq number */
+	tcp_seq th_ack;         /* ack number */
+	
+#if B_HOST_IS_BENDIAN
+	uint8 th_off:4,
+	      th_x2:4;
+#else
+	uint8 th_x2:4,          /* unused */
+	      th_off:4;         /* data offset */
+#endif
+	uint8  th_flags;        /* ACK, FIN, PUSH, RST, SYN, URG */
+	uint16 th_win;          /* advertised window */
+	uint16 th_sum;          /* checksum */
+	uint16 th_urp;          /* urgent offset */
+} _PACKED;
+
+#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	TCPOPT_EOL              0
+#define	TCPOPT_NOP              1
+#define	TCPOPT_MAXSEG           2
+#define	TCPOPT_WINDOW           3
+#define	TCPOPT_SACK_PERMITTED   4    /* Experimental */
+#define	TCPOPT_SACK             5    /* Experimental */
+#define	TCPOPT_TIMESTAMP        8
+#define	TCPOPT_SIGNATURE       19
+
+#define	MAX_TCPOPTLEN          40    /* Absolute maximum TCP options len */
+
+#define	TCPOLEN_MAXSEG		    4
+#define	TCPOLEN_WINDOW          3
+#define	TCPOLEN_SACK            8    /* 2*sizeof(tcp_seq) */
+#define	TCPOLEN_SACK_PERMITTED  2
+#define	TCPOLEN_TIMESTAMP      10
+#define	TCPOLEN_TSTAMP_APPA    (TCPOLEN_TIMESTAMP+2) /* appendix A */
+#define	TCPOLEN_SIGNATURE      18
+
+#define TCPOPT_TSTAMP_HDR	\
+    (TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP)
+
+#define TCP_MSS           512
+#define TCP_MAXWIN        65535
+#define TCP_MAX_WINSHIFT  14
+
+
+#endif /* NETINET_TCP_H */