sys/netproto/ipx/ipx_pcb.h

   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: src/sys/netipx/ipx_pcb.h,v 1.15 1999/12/29 04:46:08 peter Exp $
  37  * $DragonFly: src/sys/netproto/ipx/ipx_pcb.h,v 1.5 2004/03/05 19:17:25 hsu Exp $
  38  */
  39
  40 #ifndef _NETIPX_IPX_PCB_H_
  41 #define _NETIPX_IPX_PCB_H_
  42
  43 /*
  44  * IPX protocol interface control block.
  45  */
  46 struct ipxpcb {
  47         struct  ipxpcb *ipxp_next;      /* doubly linked list */
  48         struct  ipxpcb *ipxp_prev;
  49         struct  ipxpcb *ipxp_head;
  50         struct  socket *ipxp_socket;    /* back pointer to socket */
  51         struct  ipx_addr ipxp_faddr;    /* destination address */
  52         struct  ipx_addr ipxp_laddr;    /* socket's address */
  53         caddr_t ipxp_pcb;               /* protocol specific stuff */
  54         struct  route ipxp_route;       /* routing information */
  55         struct  ipx_addr ipxp_lastdst;  /* validate cached route for dg socks*/
  56         long    ipxp_notify_param;      /* extra info passed via ipx_pcbnotify*/
  57         short   ipxp_flags;
  58         u_char  ipxp_dpt;               /* default packet type for ipx_output */
  59         u_char  ipxp_rpt;               /* last received packet type by ipx_input() */
  60 };
  61
  62 /* possible flags */
  63
  64 #define IPXP_IN_ABORT           0x1     /* calling abort through socket */
  65 #define IPXP_RAWIN              0x2     /* show headers on input */
  66 #define IPXP_RAWOUT             0x4     /* show header on output */
  67 #define IPXP_ALL_PACKETS        0x8     /* Turn off higher proto processing */
  68 #define IPXP_CHECKSUM           0x10    /* use checksum on this socket */
  69
  70 #define IPX_WILDCARD            1
  71
  72 #define ipxp_lport ipxp_laddr.x_port
  73 #define ipxp_fport ipxp_faddr.x_port
  74
  75 #define sotoipxpcb(so)          ((struct ipxpcb *)((so)->so_pcb))
  76
  77 /*
  78  * Nominal space allocated to a IPX socket.
  79  */
  80 #define IPXSNDQ         16384
  81 #define IPXRCVQ         40960
  82
  83 #ifdef _KERNEL
  84 extern struct ipxpcb ipxpcb;                    /* head of list */
  85
  86 int     ipx_pcballoc (struct socket *so, struct ipxpcb *head);
  87 int     ipx_pcbbind (struct ipxpcb *ipxp, struct sockaddr *nam,
  88                          struct thread *td);
  89 int     ipx_pcbconnect (struct ipxpcb *ipxp, struct sockaddr *nam,
  90                             struct thread *td);
  91 void    ipx_pcbdetach (struct ipxpcb *ipxp);
  92 void    ipx_pcbdisconnect (struct ipxpcb *ipxp);
  93 struct ipxpcb *
  94         ipx_pcblookup (struct ipx_addr *faddr, int lport, int wildp);
  95 void    ipx_pcbnotify (struct ipx_addr *dst, int errno,
  96                            void (*notify)(struct ipxpcb *), long param);
  97 void    ipx_setpeeraddr (struct ipxpcb *ipxp, struct sockaddr **nam);
  98 void    ipx_setsockaddr (struct ipxpcb *ipxp, struct sockaddr **nam);
  99 #endif /* _KERNEL */
 100
 101 #endif /* !_NETIPX_IPX_PCB_H_ */