bsd/net/if_atm.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 /*      $NetBSD: if_atm.h,v 1.7 1996/11/09 23:02:27 chuck Exp $       */
  23 /* $FreeBSD: src/sys/net/if_atm.h,v 1.4 1999/12/29 04:38:34 peter Exp $ */
  24
  25 /*
  26  *
  27  * Copyright (c) 1996 Charles D. Cranor and Washington University.
  28  * All rights reserved.
  29  *
  30  * Redistribution and use in source and binary forms, with or without
  31  * modification, are permitted provided that the following conditions
  32  * are met:
  33  * 1. Redistributions of source code must retain the above copyright
  34  *    notice, this list of conditions and the following disclaimer.
  35  * 2. Redistributions in binary form must reproduce the above copyright
  36  *    notice, this list of conditions and the following disclaimer in the
  37  *    documentation and/or other materials provided with the distribution.
  38  * 3. All advertising materials mentioning features or use of this software
  39  *    must display the following acknowledgement:
  40  *      This product includes software developed by Charles D. Cranor and
  41  *      Washington University.
  42  * 4. The name of the author may not be used to endorse or promote products
  43  *    derived from this software without specific prior written permission.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  46  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  47  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  48  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  49  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  50  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  51  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  52  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  53  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  54  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  55  */
  56
  57 /*
  58  * net/if_atm.h
  59  */
  60
  61 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__)
  62 #define RTALLOC1(A,B)           rtalloc1((A),(B))
  63 #elif defined(__FreeBSD__) || defined(__APPLE__)
  64 #define RTALLOC1(A,B)           rtalloc1((A),(B),0UL)
  65 #endif
  66
  67
  68 /*
  69  * pseudo header for packet transmission
  70  */
  71 struct atm_pseudohdr {
  72   u_int8_t atm_ph[4];   /* flags+VPI+VCI1(msb)+VCI2(lsb) */
  73 };
  74
  75 #define ATM_PH_FLAGS(X) ((X)->atm_ph[0])
  76 #define ATM_PH_VPI(X)   ((X)->atm_ph[1])
  77 #define ATM_PH_VCI(X)   ((((X)->atm_ph[2]) << 8) | ((X)->atm_ph[3]))
  78 #define ATM_PH_SETVCI(X,V) { \
  79         (X)->atm_ph[2] = ((V) >> 8) & 0xff; \
  80         (X)->atm_ph[3] = ((V) & 0xff); \
  81 }
  82
  83 #define ATM_PH_AAL5    0x01     /* use AAL5? (0 == aal0) */
  84 #define ATM_PH_LLCSNAP 0x02     /* use the LLC SNAP encoding (iff aal5) */
  85
  86 #define ATM_PH_DRIVER7  0x40    /* reserve for driver's use */
  87 #define ATM_PH_DRIVER8  0x80    /* reserve for driver's use */
  88
  89 #define ATMMTU          9180    /* ATM MTU size for IP */
  90                                 /* XXX: could be 9188 with LLC/SNAP according
  91                                         to comer */
  92
  93 /* user's ioctl hook for raw atm mode */
  94 #define SIOCRAWATM      _IOWR('a', 122, int)    /* set driver's raw mode */
  95
  96 /* atm_pseudoioctl: turns on and off RX VCIs  [for internal use only!] */
  97 struct atm_pseudoioctl {
  98   struct atm_pseudohdr aph;
  99   void *rxhand;
 100 };
 101 #define SIOCATMENA      _IOWR('a', 123, struct atm_pseudoioctl) /* enable */
 102 #define SIOCATMDIS      _IOWR('a', 124, struct atm_pseudoioctl) /* disable */
 103
 104
 105 /*
 106  * XXX forget all the garbage in if_llc.h and do it the easy way
 107  */
 108
 109 #define ATMLLC_HDR "\252\252\3\0\0\0"
 110 struct atmllc {
 111   u_int8_t llchdr[6];   /* aa.aa.03.00.00.00 */
 112   u_int8_t type[2];     /* "ethernet" type */
 113 };
 114
 115 /* ATM_LLC macros: note type code in host byte order */
 116 #define ATM_LLC_TYPE(X) (((X)->type[0] << 8) | ((X)->type[1]))
 117 #define ATM_LLC_SETTYPE(X,V) { \
 118         (X)->type[1] = ((V) >> 8) & 0xff; \
 119         (X)->type[0] = ((V) & 0xff); \
 120 }
 121
 122 #ifdef KERNEL
 123 #ifdef __APPLE_API_PRIVATE
 124 void    atm_ifattach __P((struct ifnet *));
 125 void    atm_input __P((struct ifnet *, struct atm_pseudohdr *,
 126                 struct mbuf *, void *));
 127 int     atm_output __P((struct ifnet *, struct mbuf *, struct sockaddr *,
 128                 struct rtentry *));
 129 #endif /* __APPLE_API_PRIVATE */
 130 #endif
 131