1/*	$NetBSD: iso_pcb.h,v 1.16 2007/03/04 06:03:32 christos Exp $	*/
2
3/*-
4 * Copyright (c) 1991, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 *	@(#)iso_pcb.h	8.1 (Berkeley) 6/10/93
32 */
33
34/***********************************************************
35		Copyright IBM Corporation 1987
36
37                      All Rights Reserved
38
39Permission to use, copy, modify, and distribute this software and its
40documentation for any purpose and without fee is hereby granted,
41provided that the above copyright notice appear in all copies and that
42both that copyright notice and this permission notice appear in
43supporting documentation, and that the name of IBM not be
44used in advertising or publicity pertaining to distribution of the
45software without specific, written prior permission.
46
47IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
48ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
49IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
50ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
51WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
52ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
53SOFTWARE.
54
55******************************************************************/
56
57/*
58 * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
59 */
60
61#ifndef _NETISO_ISO_PCB_H_
62#define _NETISO_ISO_PCB_H_
63
64#include <net/route.h>
65
66#define	MAXX25CRUDLEN	16	/* 16 bytes of call request user data */
67
68/*
69 * Common structure pcb for argo protocol implementation.
70 */
71struct isopcb {
72	struct isopcb  *isop_next, *isop_prev;	/* pointers to other pcb's */
73	struct isopcb  *isop_head;	/* pointer back to chain of pcbs for
74					 * this protocol */
75	struct socket  *isop_socket;	/* back pointer to socket */
76	struct sockaddr_iso *isop_laddr;
77	struct sockaddr_iso *isop_faddr;
78	struct route   isop_route;	/* CLNP routing entry */
79	struct mbuf    *isop_options;	/* CLNP options */
80	struct mbuf    *isop_optindex;	/* CLNP options index */
81	struct mbuf    *isop_clnpcache;	/* CLNP cached hdr */
82	void *        isop_chan;	/* actually struct pklcb * */
83	u_short         isop_refcnt;	/* mult TP4 tpcb's -> here */
84	u_short         isop_lport;	/* MISLEADLING work var */
85	u_short         isop_tuba_cached;	/* for tuba address ref cnts */
86	int             isop_x25crud_len;	/* x25 call request ud */
87	char            isop_x25crud[MAXX25CRUDLEN];
88	struct ifaddr  *isop_ifa;	/* ESIS interface assoc w/sock */
89	struct mbuf    *isop_mladdr;	/* dynamically allocated laddr */
90	struct mbuf    *isop_mfaddr;	/* dynamically allocated faddr */
91	struct sockaddr_iso isop_sladdr,	/* preallocated laddr */
92	                isop_sfaddr;	/* preallocated faddr */
93};
94
95#ifdef sotorawcb
96/*
97 * Common structure pcb for raw clnp protocol access.
98 * Here are clnp specific extensions to the raw control block,
99 * and space is allocated to the necessary sockaddrs.
100 */
101struct rawisopcb {
102	struct rawcb    risop_rcb;	/* common control block prefix */
103	int             risop_flags;	/* flags, e.g. raw sockopts */
104	struct isopcb   risop_isop;	/* space for bound addresses, routes
105					 * etc. */
106};
107#endif
108
109#define	sotoisopcb(so)	((struct isopcb *)(so)->so_pcb)
110#define	sotorawisopcb(so)	((struct rawisopcb *)(so)->so_pcb)
111
112#ifdef _KERNEL
113struct socket;
114struct isopcb;
115struct inpcb;
116struct mbuf;
117struct sockaddr_iso;
118
119int iso_pcballoc (struct socket *, void *);
120int iso_pcbbind (void *, struct mbuf *, struct lwp *);
121int iso_pcbconnect (void *, struct mbuf *, struct lwp *);
122void iso_pcbdisconnect (void *);
123void iso_pcbdetach (void *);
124void iso_pcbnotify(struct isopcb *, const struct sockaddr_iso *, int,
125                   void (*)(struct isopcb *));
126struct isopcb  *iso_pcblookup (struct isopcb *, int, void *,
127				   const struct sockaddr_iso *);
128#endif
129
130#endif /* !_NETISO_ISO_PCB_H_ */
131