bsd/net/ndrv_var.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /* Copyright (c) 1997, 1998 Apple Computer, Inc. All Rights Reserved */
  26 /*
  27  *      @(#)ndrv.h      1.1 (MacOSX) 6/10/43
  28  * Justin Walker - 970604
  29  */
  30
  31 #ifndef _NET_NDRV_VAR_H
  32 #define _NET_NDRV_VAR_H
  33 #include <sys/appleapiopts.h>
  34 #ifdef KERNEL
  35 #ifdef __APPLE_API_PRIVATE
  36
  37 /*
  38  * structure for storing a linked list of multicast addresses
  39  * registered by this socket. May be variable in length.
  40  */
  41
  42 struct ndrv_multiaddr
  43 {
  44     struct ndrv_multiaddr*      next;
  45     struct sockaddr                     addr;
  46 };
  47
  48 /*
  49  * The cb is plugged into the socket (so_pcb), and the ifnet structure
  50  *  of BIND is plugged in here.
  51  * For now, it looks like a raw_cb up front...
  52  */
  53 struct ndrv_cb
  54 {
  55     struct ndrv_cb *nd_next;    /* Doubly-linked list */
  56         struct ndrv_cb *nd_prev;
  57         struct socket *nd_socket;       /* Back to the socket */
  58         u_int32_t nd_signature; /* Just double-checking */
  59         struct sockaddr_ndrv *nd_faddr;
  60         struct sockaddr_ndrv *nd_laddr;
  61         struct sockproto nd_proto;      /* proto family, protocol */
  62         int nd_descrcnt;                /* # elements in nd_dlist - Obsolete */
  63         TAILQ_HEAD(dlist, dlil_demux_desc) nd_dlist; /* Descr. list */
  64         struct ifnet *nd_if; /* obsolete, maintained for binary compatibility */
  65     u_long      nd_send_tag;
  66     u_long      nd_tag;
  67     u_long      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 extern struct ndrv_cb ndrvl;            /* Head of controlblock list */
  80 #endif /* __APPLE_API_PRIVATE */
  81 #endif  /* KERNEL */
  82 #endif  /* _NET_NDRV_VAR_H */