ipx_pcb.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 *	@(#)ipx_pcb.h
35 */
36
37#ifndef _NETIPX_IPX_PCB_H_
38#define _NETIPX_IPX_PCB_H_
39
40/*
41 * IPX protocol interface control block.
42 */
43struct ipxpcb {
44	struct	ipxpcb *ipxp_next;	/* doubly linked list */
45	struct	ipxpcb *ipxp_prev;
46	struct	ipxpcb *ipxp_head;
47	struct	socket *ipxp_socket;	/* back pointer to socket */
48	struct	ipx_addr ipxp_faddr;	/* destination address */
49	struct	ipx_addr ipxp_laddr;	/* socket's address */
50	caddr_t	ipxp_pcb;		/* protocol specific stuff */
51	struct	route ipxp_route;	/* routing information */
52	struct	ipx_addr ipxp_lastdst;	/* validate cached route for dg socks*/
53	long	ipxp_notify_param;	/* extra info passed via ipx_pcbnotify*/
54	short	ipxp_flags;
55	u_char	ipxp_dpt;		/* default packet type for ipx_output */
56	u_char	ipxp_rpt;		/* last received packet type by ipx_input() */
57};
58
59/* possible flags */
60
61#define IPXP_IN_ABORT	0x1		/* calling abort through socket */
62#define IPXP_RAWIN	0x2		/* show headers on input */
63#define IPXP_RAWOUT	0x4		/* show header on output */
64#define IPXP_ALL_PACKETS	0x8		/* Turn off higher proto processing */
65
66#define	IPX_WILDCARD	1
67
68#define ipxp_lport ipxp_laddr.x_port
69#define ipxp_fport ipxp_faddr.x_port
70
71#define	sotoipxpcb(so)		((struct ipxpcb *)((so)->so_pcb))
72
73/*
74 * Nominal space allocated to a IPX socket.
75 */
76#define	IPXSNDQ		2048
77#define	IPXRCVQ		2048
78
79
80#ifdef KERNEL
81extern struct ipxpcb ipxpcb;			/* head of list */
82int ipx_pcballoc(), ipx_pcbbind(), ipx_pcbconnect();
83void ipx_pcbdisconnect(), ipx_pcbdetach(), ipx_setsockaddr();
84void ipx_setpeeraddr(), ipx_pcbnotify();
85struct ipxpcb *ipx_pcblookup();
86#endif
87
88#endif
89