sys/netatalk/ddp_var.h

   1 /*-
   2  * Copyright (c) 1990, 1994 Regents of The University of Michigan.
   3  * All Rights Reserved.
   4  *
   5  * Permission to use, copy, modify, and distribute this software and
   6  * its documentation for any purpose and without fee is hereby granted,
   7  * provided that the above copyright notice appears in all copies and
   8  * that both that copyright notice and this permission notice appear
   9  * in supporting documentation, and that the name of The University
  10  * of Michigan not be used in advertising or publicity pertaining to
  11  * distribution of the software without specific, written prior
  12  * permission. This software is supplied as is without expressed or
  13  * implied warranties of any kind.
  14  *
  15  * This product includes software developed by the University of
  16  * California, Berkeley and its contributors.
  17  *
  18  *      Research Systems Unix Group
  19  *      The University of Michigan
  20  *      c/o Wesley Craig
  21  *      535 W. William Street
  22  *      Ann Arbor, Michigan
  23  *      +1-313-764-2278
  24  *      netatalk@umich.edu
  25  *
  26  * $FreeBSD$
  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         struct mtx               ddp_mtx;
  39 };
  40
  41 #define sotoddpcb(so)   ((struct ddpcb *)(so)->so_pcb)
  42
  43 struct ddpstat {
  44         long    ddps_short;             /* short header packets received */
  45         long    ddps_long;              /* long header packets received */
  46         long    ddps_nosum;             /* no checksum */
  47         long    ddps_badsum;            /* bad checksum */
  48         long    ddps_tooshort;          /* packet too short */
  49         long    ddps_toosmall;          /* not enough data */
  50         long    ddps_forward;           /* packets forwarded */
  51         long    ddps_encap;             /* packets encapsulated */
  52         long    ddps_cantforward;       /* packets rcvd for unreachable dest */
  53         long    ddps_nosockspace;       /* no space in sockbuf for packet */
  54 };
  55
  56 #ifdef _KERNEL
  57 extern int                       ddp_cksum;
  58 extern struct ddpcb             *ddpcb_list;
  59 extern struct pr_usrreqs         ddp_usrreqs;
  60 extern struct mtx                ddp_list_mtx;
  61 #endif
  62
  63 #endif /* _NETATALK_DDP_VAR_H_ */