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if_ieee1394.h revision 1.2 
      1 /*	$NetBSD: if_ieee1394.h,v 1.2 2000/11/14 11:14:56 onoe Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Atsushi Onoe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifndef _NET_IF_IEEE1394_H_
     40 #define _NET_IF_IEEE1394_H_
     41 
     42 /* hardware address information for arp / nd */
     43 struct ieee1394_hwaddr {
     44 	u_int8_t	iha_uid[8];
     45 	u_int8_t	iha_maxrec;
     46 	u_int8_t	iha_speed;
     47 	u_int8_t	iha_offset[6];
     48 };
     49 
     50 /* pseudo header */
     51 struct ieee1394_header {
     52 	u_int8_t	ih_uid[8];		/* dst/src uid */
     53 	u_int8_t	ih_maxrec;		/* dst maxrec for tx */
     54 	u_int8_t	ih_speed;		/* speed */
     55 	u_int8_t	ih_offset[6];		/* dst offset */
     56 };
     57 
     58 /* unfragment encapsulation header */
     59 struct ieee1394_unfraghdr {
     60 	u_int16_t	iuh_ft;
     61 	u_int16_t	iuh_etype;
     62 };
     63 
     64 /* fragmented encapsulation header */
     65 struct ieee1394_fraghdr {
     66 	u_int16_t	ifh_ft_size;
     67 	u_int16_t	ifh_etype_off;
     68 	u_int16_t	ifh_dgl;
     69 	u_int16_t	ifh_reserved;
     70 };
     71 
     72 #define	IEEE1394_FT_SUBSEQ	0x8000
     73 #define	IEEE1394_FT_MORE	0x4000
     74 
     75 #define	IEEE1394MTU		1500
     76 
     77 #define	IEEE1394_GASP_LEN	8		/* GASP header for Stream */
     78 #define	IEEE1394_ADDR_LEN	8
     79 #define	IEEE1394_CRC_LEN	4
     80 
     81 struct ieee1394_reass_pkt {
     82 	LIST_ENTRY(ieee1394_reass_pkt) rp_next;
     83 	struct mbuf	*rp_m;
     84 	struct ieee1394_header rp_hdr;
     85 	u_int16_t	rp_size;
     86 	u_int16_t	rp_etype;
     87 	u_int16_t	rp_off;
     88 	u_int16_t	rp_dgl;
     89 	u_int16_t	rp_len;
     90 };
     91 
     92 struct ieee1394_reassq {
     93 	LIST_ENTRY(ieee1394_reassq) rq_node;
     94 	LIST_HEAD(, ieee1394_reass_pkt) rq_pkt;
     95 	u_int8_t	rq_uid[8];
     96 };
     97 
     98 struct ieee1394com {
     99 	struct ifnet	ic_if;
    100 	struct ieee1394_hwaddr ic_hwaddr;
    101 	u_int16_t	ic_dgl;
    102 	LIST_HEAD(, ieee1394_reassq) ic_reassq;
    103 };
    104 
    105 const char *ieee1394_sprintf(const u_int8_t *);
    106 void ieee1394_ifattach(struct ifnet *, const struct ieee1394_hwaddr *);
    107 void ieee1394_ifdetach(struct ifnet *);
    108 int  ieee1394_ioctl(struct ifnet *, u_long, caddr_t);
    109 struct mbuf * ieee1394_fragment(struct ifnet *, struct mbuf *, int, u_int16_t);
    110 
    111 #endif /* _NET_IF_IEEE1394_H_ */
    112