spx.h revision 11819 
1/*
2 * Copyright (c) 1995, Mike Mitchell
3 * Copyright (c) 1984, 1985, 1986, 1987, 1993
4 *	The Regents of the University of California.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgement:
16 *	This product includes software developed by the University of
17 *	California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 *	@(#)spx.h
35 */
36
37#ifndef _NETIPX_SPX_H_
38#define _NETIPX_SPX_H_
39
40/*
41 * Definitions for IPX style Sequenced Packet Protocol
42 */
43
44struct spxhdr {
45	u_char	spx_cc;		/* connection control */
46	u_char	spx_dt;		/* datastream type */
47#define	SPX_SP	0x80		/* system packet */
48#define	SPX_SA	0x40		/* send acknowledgement */
49#define	SPX_OB	0x20		/* attention (out of band data) */
50#define	SPX_EM	0x10		/* end of message */
51	u_short	spx_sid;	/* source connection identifier */
52	u_short	spx_did;	/* destination connection identifier */
53	u_short	spx_seq;	/* sequence number */
54	u_short	spx_ack;	/* acknowledge number */
55	u_short	spx_alo;	/* allocation number */
56};
57
58/*
59 * Definitions for NS(tm) Internet Datagram Protocol
60 * containing a Sequenced Packet Protocol packet.
61 */
62struct spx {
63	struct ipx	si_i;
64	struct spxhdr 	si_s;
65};
66struct spx_q {
67	struct spx_q	*si_next;
68	struct spx_q	*si_prev;
69};
70#define SI(x)	((struct spx *)x)
71#define si_sum	si_i.ipx_sum
72#define si_len	si_i.ipx_len
73#define si_tc	si_i.ipx_tc
74#define si_pt	si_i.ipx_pt
75#define si_dna	si_i.ipx_dna
76#define si_sna	si_i.ipx_sna
77#define si_sport	si_i.ipx_sna.x_port
78#define si_cc	si_s.spx_cc
79#define si_dt	si_s.spx_dt
80#define si_sid	si_s.spx_sid
81#define si_did	si_s.spx_did
82#define si_seq	si_s.spx_seq
83#define si_ack	si_s.spx_ack
84#define si_alo	si_s.spx_alo
85
86#ifdef KERNEL
87int spx_reass(), spx_output();
88int spx_usrreq(), spx_usrreq_sp(), spx_ctloutput();
89void spx_input(), spx_ctlinput();
90void spx_init(), spx_fasttimo(), spx_slowtimo();
91void spx_quench(), spx_setpersist(), spx_template(), spx_abort();
92struct spxpcb *spx_close(), *spx_usrclosed();
93struct spxpcb *spx_disconnect(), *spx_drop();
94struct spxpcb *spx_timers();
95#endif
96
97#endif
98