FreeBSD/Linux Kernel Cross Reference
sys/net/if_ieee1394.h

     /*      $NetBSD: if_ieee1394.h,v 1.6 2005/12/10 23:21:38 elad Exp $     */
     
     /*
      * Copyright (c) 2000 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Atsushi Onoe.
      *
     * 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 the NetBSD
     *      Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``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 FOUNDATION OR CONTRIBUTORS
     * 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.
     */
    
    #ifndef _NET_IF_IEEE1394_H_
    #define _NET_IF_IEEE1394_H_
    
    /* hardware address information for arp / nd */
    struct ieee1394_hwaddr {
            u_int8_t        iha_uid[8];             /* node unique ID */
            u_int8_t        iha_maxrec;             /* max_rec in the config ROM */
            u_int8_t        iha_speed;              /* min of link/PHY speed */
            u_int8_t        iha_offset[6];          /* unicast FIFO address */
    };
    
    /*
     * BPF wants to see one of these.
     */
    struct ieee1394_bpfhdr {
            uint8_t         ibh_dhost[8];
            uint8_t         ibh_shost[8];
            uint16_t        ibh_type;
    };
    
    #ifdef _KERNEL
    
    /* pseudo header */
    struct ieee1394_header {
            u_int8_t        ih_uid[8];              /* dst/src uid */
            u_int8_t        ih_maxrec;              /* dst maxrec for tx */
            u_int8_t        ih_speed;               /* speed */
            u_int8_t        ih_offset[6];           /* dst offset */
    };
    
    /* unfragment encapsulation header */
    struct ieee1394_unfraghdr {
            u_int16_t       iuh_ft;                 /* fragment type == 0 */
            u_int16_t       iuh_etype;              /* ether_type */
    };
    
    /* fragmented encapsulation header */
    struct ieee1394_fraghdr {
            u_int16_t       ifh_ft_size;            /* fragment type, data size-1 */
            u_int16_t       ifh_etype_off;          /* etype for first fragment */
                                                    /* offset for subseq frag */
            u_int16_t       ifh_dgl;                /* datagram label */
            u_int16_t       ifh_reserved;
    };
    
    #define IEEE1394_FT_SUBSEQ      0x8000
    #define IEEE1394_FT_MORE        0x4000
    
    #define IEEE1394MTU             1500
    
    #define IEEE1394_GASP_LEN       8               /* GASP header for Stream */
    #define IEEE1394_ADDR_LEN       8
    #define IEEE1394_CRC_LEN        4
    
    struct ieee1394_reass_pkt {
            LIST_ENTRY(ieee1394_reass_pkt) rp_next;
            struct mbuf     *rp_m;
            u_int16_t       rp_size;
            u_int16_t       rp_etype;
            u_int16_t       rp_off;
            u_int16_t       rp_dgl;
           u_int16_t       rp_len;
           u_int16_t       rp_ttl;
   };
   
   struct ieee1394_reassq {
           LIST_ENTRY(ieee1394_reassq) rq_node;
           LIST_HEAD(, ieee1394_reass_pkt) rq_pkt;
           u_int32_t       fr_id;
   };
   
   struct ieee1394com {
           struct ifnet    fc_if;
           struct ieee1394_hwaddr ic_hwaddr;
           u_int16_t       ic_dgl;
           LIST_HEAD(, ieee1394_reassq) ic_reassq;
   };
   
   const char *ieee1394_sprintf(const u_int8_t *);
   void ieee1394_input(struct ifnet *, struct mbuf *, u_int16_t);
   void ieee1394_ifattach(struct ifnet *, const struct ieee1394_hwaddr *);
   void ieee1394_ifdetach(struct ifnet *);
   int  ieee1394_ioctl(struct ifnet *, u_long, caddr_t);
   struct mbuf * ieee1394_fragment(struct ifnet *, struct mbuf *, int, u_int16_t);
   void ieee1394_drain(struct ifnet *);
   void ieee1394_watchdog(struct ifnet *);
   #endif /* _KERNEL */
   
   #endif /* !_NET_IF_IEEE1394_H_ */

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