bsd/netns/ns_pcb.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * Copyright (c) 1984, 1985, 1986, 1987, 1993
  24  *      The Regents of the University of California.  All rights reserved.
  25  *
  26  * Redistribution and use in source and binary forms, with or without
  27  * modification, are permitted provided that the following conditions
  28  * are met:
  29  * 1. Redistributions of source code must retain the above copyright
  30  *    notice, this list of conditions and the following disclaimer.
  31  * 2. Redistributions in binary form must reproduce the above copyright
  32  *    notice, this list of conditions and the following disclaimer in the
  33  *    documentation and/or other materials provided with the distribution.
  34  * 3. All advertising materials mentioning features or use of this software
  35  *    must display the following acknowledgement:
  36  *      This product includes software developed by the University of
  37  *      California, Berkeley and its contributors.
  38  * 4. Neither the name of the University nor the names of its contributors
  39  *    may be used to endorse or promote products derived from this software
  40  *    without specific prior written permission.
  41  *
  42  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  43  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  44  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  45  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  46  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  47  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  48  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  50  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  51  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  52  * SUCH DAMAGE.
  53  *
  54  *      @(#)ns_pcb.h    8.1 (Berkeley) 6/10/93
  55  */
  56
  57 /*
  58  * Ns protocol interface control block.
  59  */
  60 struct nspcb {
  61         struct  nspcb *nsp_next;        /* doubly linked list */
  62         struct  nspcb *nsp_prev;
  63         struct  nspcb *nsp_head;
  64         struct  socket *nsp_socket;     /* back pointer to socket */
  65         struct  ns_addr nsp_faddr;      /* destination address */
  66         struct  ns_addr nsp_laddr;      /* socket's address */
  67         caddr_t nsp_pcb;                /* protocol specific stuff */
  68         struct  route nsp_route;        /* routing information */
  69         struct  ns_addr nsp_lastdst;    /* validate cached route for dg socks*/
  70         long    nsp_notify_param;       /* extra info passed via ns_pcbnotify*/
  71         short   nsp_flags;
  72         u_char  nsp_dpt;                /* default packet type for idp_output*/
  73         u_char  nsp_rpt;                /* last received packet type by
  74                                                                 idp_input() */
  75 };
  76
  77 /* possible flags */
  78
  79 #define NSP_IN_ABORT    0x1             /* calling abort through socket */
  80 #define NSP_RAWIN       0x2             /* show headers on input */
  81 #define NSP_RAWOUT      0x4             /* show header on output */
  82 #define NSP_ALL_PACKETS 0x8             /* Turn off higher proto processing */
  83
  84 #define NS_WILDCARD     1
  85
  86 #define nsp_lport nsp_laddr.x_port
  87 #define nsp_fport nsp_faddr.x_port
  88
  89 #define sotonspcb(so)           ((struct nspcb *)((so)->so_pcb))
  90
  91 /*
  92  * Nominal space allocated to a ns socket.
  93  */
  94 #define NSSNDQ          2048
  95 #define NSRCVQ          2048
  96
  97
  98 #ifdef KERNEL
  99 struct  nspcb nspcb;                    /* head of list */
 100 struct  nspcb *ns_pcblookup();
 101 #endif