FreeBSD/Linux Kernel Cross Reference
sys/bsd/net/if_atm.h

     /*
      * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
      *
      * @APPLE_LICENSE_HEADER_START@
      * 
      * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
      * 
      * This file contains Original Code and/or Modifications of Original Code
      * as defined in and that are subject to the Apple Public Source License
     * Version 2.0 (the 'License'). You may not use this file except in
     * compliance with the License. Please obtain a copy of the License at
     * http://www.opensource.apple.com/apsl/ and read it before using this
     * file.
     * 
     * The Original Code and all software distributed under the License are
     * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
     * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
     * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
     * Please see the License for the specific language governing rights and
     * limitations under the License.
     * 
     * @APPLE_LICENSE_HEADER_END@
     */
    /*      $NetBSD: if_atm.h,v 1.7 1996/11/09 23:02:27 chuck Exp $       */
    /* $FreeBSD: src/sys/net/if_atm.h,v 1.4 1999/12/29 04:38:34 peter Exp $ */
    
    /*
     *
     * Copyright (c) 1996 Charles D. Cranor and Washington University.
     * All rights reserved.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Charles D. Cranor and
     *      Washington University.
     * 4. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    /*
     * net/if_atm.h
     */
    
    #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__)
    #define RTALLOC1(A,B)           rtalloc1((A),(B))
    #elif defined(__FreeBSD__) || defined(__APPLE__)
    #define RTALLOC1(A,B)           rtalloc1((A),(B),0UL)
    #endif
    
    
    /*
     * pseudo header for packet transmission
     */
    struct atm_pseudohdr {
      u_int8_t atm_ph[4];   /* flags+VPI+VCI1(msb)+VCI2(lsb) */
    };
    
    #define ATM_PH_FLAGS(X) ((X)->atm_ph[0])
    #define ATM_PH_VPI(X)   ((X)->atm_ph[1])
    #define ATM_PH_VCI(X)   ((((X)->atm_ph[2]) << 8) | ((X)->atm_ph[3]))
    #define ATM_PH_SETVCI(X,V) { \
            (X)->atm_ph[2] = ((V) >> 8) & 0xff; \
            (X)->atm_ph[3] = ((V) & 0xff); \
    }
    
    #define ATM_PH_AAL5    0x01     /* use AAL5? (0 == aal0) */
    #define ATM_PH_LLCSNAP 0x02     /* use the LLC SNAP encoding (iff aal5) */
    
    #define ATM_PH_DRIVER7  0x40    /* reserve for driver's use */
    #define ATM_PH_DRIVER8  0x80    /* reserve for driver's use */
    
    #define ATMMTU          9180    /* ATM MTU size for IP */
                                    /* XXX: could be 9188 with LLC/SNAP according
                                            to comer */
    
    /* user's ioctl hook for raw atm mode */
    #define SIOCRAWATM      _IOWR('a', 122, int)    /* set driver's raw mode */
    
    /* atm_pseudoioctl: turns on and off RX VCIs  [for internal use only!] */
   struct atm_pseudoioctl {
     struct atm_pseudohdr aph;
     void *rxhand;
   };
   #define SIOCATMENA      _IOWR('a', 123, struct atm_pseudoioctl) /* enable */
   #define SIOCATMDIS      _IOWR('a', 124, struct atm_pseudoioctl) /* disable */
   
   
   /*
    * XXX forget all the garbage in if_llc.h and do it the easy way
    */
   
   #define ATMLLC_HDR "\252\252\3\0\0\0"
   struct atmllc {
     u_int8_t llchdr[6];   /* aa.aa.03.00.00.00 */
     u_int8_t type[2];     /* "ethernet" type */
   };
   
   /* ATM_LLC macros: note type code in host byte order */
   #define ATM_LLC_TYPE(X) (((X)->type[0] << 8) | ((X)->type[1]))
   #define ATM_LLC_SETTYPE(X,V) { \
           (X)->type[1] = ((V) >> 8) & 0xff; \
           (X)->type[0] = ((V) & 0xff); \
   }
   
   #ifdef KERNEL
   #ifdef __APPLE_API_PRIVATE
   void    atm_ifattach __P((struct ifnet *));
   void    atm_input __P((struct ifnet *, struct atm_pseudohdr *,
                   struct mbuf *, void *));
   int     atm_output __P((struct ifnet *, struct mbuf *, struct sockaddr *, 
                   struct rtentry *));
   #endif /* __APPLE_API_PRIVATE */
   #endif
   

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