bsd/net/ndrv_var.h

   1 /*
   2  * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /* Copyright (c) 1997, 1998 Apple Computer, Inc. All Rights Reserved */
  31 /*
  32  *      @(#)ndrv.h      1.1 (MacOSX) 6/10/43
  33  * Justin Walker - 970604
  34  */
  35
  36 #ifndef _NET_NDRV_VAR_H
  37 #define _NET_NDRV_VAR_H
  38 #ifdef PRIVATE
  39
  40 /*
  41  * structure for storing a linked list of multicast addresses
  42  * registered by this socket. May be variable in length.
  43  */
  44
  45 struct ndrv_multiaddr
  46 {
  47     struct ndrv_multiaddr*      next;
  48     struct if_multiaddr*        ifma;
  49     struct sockaddr                     addr;
  50 };
  51
  52 /*
  53  * The cb is plugged into the socket (so_pcb), and the ifnet structure
  54  *  of BIND is plugged in here.
  55  * For now, it looks like a raw_cb up front...
  56  */
  57 struct ndrv_cb
  58 {
  59         TAILQ_ENTRY(ndrv_cb)    nd_next;
  60         struct socket *nd_socket;       /* Back to the socket */
  61         u_int32_t nd_signature; /* Just double-checking */
  62         struct sockaddr_ndrv *nd_faddr;
  63         struct sockaddr_ndrv *nd_laddr;
  64         struct sockproto nd_proto;      /* proto family, protocol */
  65         int nd_descrcnt;                /* # elements in nd_dlist - Obsolete */
  66         TAILQ_HEAD(dlist, dlil_demux_desc) nd_dlist; /* Descr. list */
  67         struct ifnet *nd_if; /* obsolete, maintained for binary compatibility */
  68     u_long      nd_proto_family;
  69     u_long      nd_family;
  70     struct ndrv_multiaddr*      nd_multiaddrs;
  71     short       nd_unit;
  72 };
  73
  74 #define sotondrvcb(so)          ((struct ndrv_cb *)(so)->so_pcb)
  75 #define NDRV_SIGNATURE  0x4e445256 /* "NDRV" */
  76
  77 /* Nominal allocated space for NDRV sockets */
  78 #define NDRVSNDQ         8192
  79 #define NDRVRCVQ         8192
  80
  81 #endif /* PRIVATE */
  82 #endif  /* _NET_NDRV_VAR_H */