bsd/net/ndrv_var.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /* Copyright (c) 1997, 1998 Apple Computer, Inc. All Rights Reserved */
  24 /*
  25  *      @(#)ndrv.h      1.1 (MacOSX) 6/10/43
  26  * Justin Walker - 970604
  27  */
  28
  29 #ifndef _NET_NDRV_VAR_H
  30 #define _NET_NDRV_VAR_H
  31 #ifdef PRIVATE
  32
  33 /*
  34  * structure for storing a linked list of multicast addresses
  35  * registered by this socket. May be variable in length.
  36  */
  37
  38 struct ndrv_multiaddr
  39 {
  40     struct ndrv_multiaddr*      next;
  41     struct if_multiaddr*        ifma;
  42     struct sockaddr                     addr;
  43 };
  44
  45 /*
  46  * The cb is plugged into the socket (so_pcb), and the ifnet structure
  47  *  of BIND is plugged in here.
  48  * For now, it looks like a raw_cb up front...
  49  */
  50 struct ndrv_cb
  51 {
  52         TAILQ_ENTRY(ndrv_cb)    nd_next;
  53         struct socket *nd_socket;       /* Back to the socket */
  54         u_int32_t nd_signature; /* Just double-checking */
  55         struct sockaddr_ndrv *nd_faddr;
  56         struct sockaddr_ndrv *nd_laddr;
  57         struct sockproto nd_proto;      /* proto family, protocol */
  58         int nd_descrcnt;                /* # elements in nd_dlist - Obsolete */
  59         TAILQ_HEAD(dlist, dlil_demux_desc) nd_dlist; /* Descr. list */
  60         struct ifnet *nd_if; /* obsolete, maintained for binary compatibility */
  61     u_long      nd_proto_family;
  62     u_long      nd_family;
  63     struct ndrv_multiaddr*      nd_multiaddrs;
  64     short       nd_unit;
  65 };
  66
  67 #define sotondrvcb(so)          ((struct ndrv_cb *)(so)->so_pcb)
  68 #define NDRV_SIGNATURE  0x4e445256 /* "NDRV" */
  69
  70 /* Nominal allocated space for NDRV sockets */
  71 #define NDRVSNDQ         8192
  72 #define NDRVRCVQ         8192
  73
  74 #endif /* PRIVATE */
  75 #endif  /* _NET_NDRV_VAR_H */