ipx_pcb.h revision 83366 
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 * $FreeBSD: head/sys/netipx/ipx_pcb.h 83366 2001-09-12 08:38:13Z julian $
37 */
38
39#ifndef _NETIPX_IPX_PCB_H_
40#define	_NETIPX_IPX_PCB_H_
41
42/*
43 * IPX protocol interface control block.
44 */
45struct ipxpcb {
46	struct	ipxpcb *ipxp_next;	/* doubly linked list */
47	struct	ipxpcb *ipxp_prev;
48	struct	ipxpcb *ipxp_head;
49	struct	socket *ipxp_socket;	/* back pointer to socket */
50	struct	ipx_addr ipxp_faddr;	/* destination address */
51	struct	ipx_addr ipxp_laddr;	/* socket's address */
52	caddr_t	ipxp_pcb;		/* protocol specific stuff */
53	struct	route ipxp_route;	/* routing information */
54	struct	ipx_addr ipxp_lastdst;	/* validate cached route for dg socks*/
55	long	ipxp_notify_param;	/* extra info passed via ipx_pcbnotify*/
56	short	ipxp_flags;
57	u_char	ipxp_dpt;		/* default packet type for ipx_output */
58	u_char	ipxp_rpt;		/* last received packet type by ipx_input() */
59};
60
61/* possible flags */
62
63#define IPXP_IN_ABORT		0x1	/* calling abort through socket */
64#define IPXP_RAWIN		0x2	/* show headers on input */
65#define IPXP_RAWOUT		0x4	/* show header on output */
66#define IPXP_ALL_PACKETS	0x8	/* Turn off higher proto processing */
67#define	IPXP_CHECKSUM		0x10	/* use checksum on this socket */
68
69#define	IPX_WILDCARD		1
70
71#define ipxp_lport ipxp_laddr.x_port
72#define ipxp_fport ipxp_faddr.x_port
73
74#define	sotoipxpcb(so)		((struct ipxpcb *)((so)->so_pcb))
75
76/*
77 * Nominal space allocated to a IPX socket.
78 */
79#define	IPXSNDQ		16384
80#define	IPXRCVQ		40960
81
82#ifdef _KERNEL
83extern struct ipxpcb ipxpcb;			/* head of list */
84
85int	ipx_pcballoc __P((struct socket *so, struct ipxpcb *head,
86			  struct thread *p));
87int	ipx_pcbbind __P((struct ipxpcb *ipxp, struct sockaddr *nam,
88			 struct thread *p));
89int	ipx_pcbconnect __P((struct ipxpcb *ipxp, struct sockaddr *nam,
90			    struct thread *p));
91void	ipx_pcbdetach __P((struct ipxpcb *ipxp));
92void	ipx_pcbdisconnect __P((struct ipxpcb *ipxp));
93struct ipxpcb *
94	ipx_pcblookup __P((struct ipx_addr *faddr, int lport, int wildp));
95void	ipx_pcbnotify __P((struct ipx_addr *dst, int errno,
96			   void (*notify)(struct ipxpcb *), long param));
97void	ipx_setpeeraddr __P((struct ipxpcb *ipxp, struct sockaddr **nam));
98void	ipx_setsockaddr __P((struct ipxpcb *ipxp, struct sockaddr **nam));
99#endif /* _KERNEL */
100
101#endif /* !_NETIPX_IPX_PCB_H_ */
102