1 /*	$NetBSD: ddp_var.h,v 1.4 2008/04/23 15:17:42 thorpej Exp $	 */
2 
3 /*
4  * Copyright (c) 1990,1994 Regents of The University of Michigan.
5  * All Rights Reserved.
6  *
7  * Permission to use, copy, modify, and distribute this software and
8  * its documentation for any purpose and without fee is hereby granted,
9  * provided that the above copyright notice appears in all copies and
10  * that both that copyright notice and this permission notice appear
11  * in supporting documentation, and that the name of The University
12  * of Michigan not be used in advertising or publicity pertaining to
13  * distribution of the software without specific, written prior
14  * permission. This software is supplied as is without expressed or
15  * implied warranties of any kind.
16  *
17  * This product includes software developed by the University of
18  * California, Berkeley and its contributors.
19  *
20  *	Research Systems Unix Group
21  *	The University of Michigan
22  *	c/o Wesley Craig
23  *	535 W. William Street
24  *	Ann Arbor, Michigan
25  *	+1-313-764-2278
26  *	netatalk@umich.edu
27  */
28 
29 #ifndef _NETATALK_DDP_VAR_H_
30 #define _NETATALK_DDP_VAR_H_
31 
32 struct ddpcb {
33 	struct sockaddr_at ddp_fsat, ddp_lsat;
34 	struct route    ddp_route;
35 	struct socket  *ddp_socket;
36 	struct ddpcb   *ddp_prev, *ddp_next;
37 	struct ddpcb   *ddp_pprev, *ddp_pnext;
38 };
39 
40 #define sotoddpcb(so)	((struct ddpcb *)(so)->so_pcb)
41 
42 #define	DDP_STAT_SHORT		0	/* short header packets received */
43 #define	DDP_STAT_LONG		1	/* long header packets received */
44 #define	DDP_STAT_NOSUM		2	/* no checksum */
45 #define	DDP_STAT_BADSUM		3	/* bad checksum */
46 #define	DDP_STAT_TOOSHORT	4	/* packet too short */
47 #define	DDP_STAT_TOOSMALL	5	/* not enough data */
48 #define	DDP_STAT_FORWARD	6	/* packets forwarded */
49 #define	DDP_STAT_ENCAP		7	/* packets encapsulated */
50 #define	DDP_STAT_CANTFORWARD	8	/* packets rcvd for unreachable net */
51 #define	DDP_STAT_NOSOCKSPACE	9	/* no space in sockbuf for packet */
52 
53 #define	DDP_NSTATS		10
54 
55 #ifdef _KERNEL
56 extern struct ddpcb *ddp_ports[];
57 extern struct ddpcb *ddpcb;
58 #endif
59 
60 #endif /* !_NETATALK_DDP_VAR_H_ */
61