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      1 /*	$NetBSD: if_ieee1394.h,v 1.9 2008/04/28 20:24:09 martin 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _NET_IF_IEEE1394_H_
     33 #define _NET_IF_IEEE1394_H_
     34 
     35 /* hardware address information for arp / nd */
     36 struct ieee1394_hwaddr {
     37 	uint8_t	iha_uid[8];		/* node unique ID */
     38 	uint8_t	iha_maxrec;		/* max_rec in the config ROM */
     39 	uint8_t	iha_speed;		/* min of link/PHY speed */
     40 	uint8_t	iha_offset[6];		/* unicast FIFO address */
     41 };
     42 
     43 /*
     44  * BPF wants to see one of these.
     45  */
     46 struct ieee1394_bpfhdr {
     47 	uint8_t		ibh_dhost[8];
     48 	uint8_t		ibh_shost[8];
     49 	uint16_t	ibh_type;
     50 };
     51 
     52 #ifdef _KERNEL
     53 
     54 /* pseudo header */
     55 struct ieee1394_header {
     56 	uint8_t	ih_uid[8];		/* dst/src uid */
     57 	uint8_t	ih_maxrec;		/* dst maxrec for tx */
     58 	uint8_t	ih_speed;		/* speed */
     59 	uint8_t	ih_offset[6];		/* dst offset */
     60 };
     61 
     62 /* unfragment encapsulation header */
     63 struct ieee1394_unfraghdr {
     64 	uint16_t	iuh_ft;			/* fragment type == 0 */
     65 	uint16_t	iuh_etype;		/* ether_type */
     66 };
     67 
     68 /* fragmented encapsulation header */
     69 struct ieee1394_fraghdr {
     70 	uint16_t	ifh_ft_size;		/* fragment type, data size-1 */
     71 	uint16_t	ifh_etype_off;		/* etype for first fragment */
     72 						/* offset for subseq frag */
     73 	uint16_t	ifh_dgl;		/* datagram label */
     74 	uint16_t	ifh_reserved;
     75 };
     76 
     77 #define	IEEE1394_FT_SUBSEQ	0x8000
     78 #define	IEEE1394_FT_MORE	0x4000
     79 
     80 #define	IEEE1394MTU		1500
     81 
     82 #define	IEEE1394_GASP_LEN	8		/* GASP header for Stream */
     83 #define	IEEE1394_ADDR_LEN	8
     84 #define	IEEE1394_CRC_LEN	4
     85 
     86 struct ieee1394_reass_pkt {
     87 	LIST_ENTRY(ieee1394_reass_pkt) rp_next;
     88 	struct mbuf	*rp_m;
     89 	uint16_t	rp_size;
     90 	uint16_t	rp_etype;
     91 	uint16_t	rp_off;
     92 	uint16_t	rp_dgl;
     93 	uint16_t	rp_len;
     94 	uint16_t	rp_ttl;
     95 };
     96 
     97 struct ieee1394_reassq {
     98 	LIST_ENTRY(ieee1394_reassq) rq_node;
     99 	LIST_HEAD(, ieee1394_reass_pkt) rq_pkt;
    100 	uint32_t	fr_id;
    101 };
    102 
    103 struct ieee1394com {
    104 	struct ifnet	fc_if;
    105 	struct ieee1394_hwaddr ic_hwaddr;
    106 	uint16_t	ic_dgl;
    107 	LIST_HEAD(, ieee1394_reassq) ic_reassq;
    108 };
    109 
    110 const char *ieee1394_sprintf(const uint8_t *);
    111 void ieee1394_input(struct ifnet *, struct mbuf *, uint16_t);
    112 void ieee1394_ifattach(struct ifnet *, const struct ieee1394_hwaddr *);
    113 void ieee1394_ifdetach(struct ifnet *);
    114 int  ieee1394_ioctl(struct ifnet *, u_long, void *);
    115 struct mbuf * ieee1394_fragment(struct ifnet *, struct mbuf *, int, uint16_t);
    116 void ieee1394_drain(struct ifnet *);
    117 void ieee1394_watchdog(struct ifnet *);
    118 #endif /* _KERNEL */
    119 
    120 #endif /* !_NET_IF_IEEE1394_H_ */
    121