bsd/net/ndrv_var.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_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. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /* Copyright (c) 1997, 1998 Apple Computer, Inc. All Rights Reserved */
  29 /*
  30  *      @(#)ndrv.h      1.1 (MacOSX) 6/10/43
  31  * Justin Walker - 970604
  32  */
  33
  34 #ifndef _NET_NDRV_VAR_H
  35 #define _NET_NDRV_VAR_H
  36 #ifdef PRIVATE
  37
  38 /*
  39  * structure for storing a linked list of multicast addresses
  40  * registered by this socket. May be variable in length.
  41  */
  42
  43 struct ndrv_multiaddr
  44 {
  45     struct ndrv_multiaddr*      next;
  46     ifmultiaddr_t                       ifma;
  47     struct sockaddr                     addr;
  48 };
  49
  50 /*
  51  * The cb is plugged into the socket (so_pcb), and the ifnet structure
  52  *  of BIND is plugged in here.
  53  * For now, it looks like a raw_cb up front...
  54  */
  55 struct ndrv_cb
  56 {
  57         TAILQ_ENTRY(ndrv_cb)    nd_next;
  58         struct socket *nd_socket;       /* Back to the socket */
  59         u_int32_t nd_signature; /* Just double-checking */
  60         struct sockaddr_ndrv *nd_faddr;
  61         struct sockaddr_ndrv *nd_laddr;
  62         struct sockproto nd_proto;      /* proto family, protocol */
  63         int nd_descrcnt;                /* # elements in nd_dlist - Obsolete */
  64         TAILQ_HEAD(dlist, dlil_demux_desc) nd_dlist; /* Descr. list */
  65         struct ifnet *nd_if; /* obsolete, maintained for binary compatibility */
  66     u_int32_t   nd_proto_family;
  67     u_int32_t   nd_family;
  68     struct ndrv_multiaddr*      nd_multiaddrs;
  69     short       nd_unit;
  70 };
  71
  72 #define sotondrvcb(so)          ((struct ndrv_cb *)(so)->so_pcb)
  73 #define NDRV_SIGNATURE  0x4e445256 /* "NDRV" */
  74
  75 /* Nominal allocated space for NDRV sockets */
  76 #define NDRVSNDQ         8192
  77 #define NDRVRCVQ         8192
  78
  79 #endif /* PRIVATE */
  80 #endif  /* _NET_NDRV_VAR_H */