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      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 (at) 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