1 /*	$NetBSD: if_ieee1394.h,v 1.6 2005/12/10 23:21:38 elad 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];		/* node unique ID */
45 	u_int8_t	iha_maxrec;		/* max_rec in the config ROM */
46 	u_int8_t	iha_speed;		/* min of link/PHY speed */
47 	u_int8_t	iha_offset[6];		/* unicast FIFO address */
48 };
49 
50 /*
51  * BPF wants to see one of these.
52  */
53 struct ieee1394_bpfhdr {
54 	uint8_t		ibh_dhost[8];
55 	uint8_t		ibh_shost[8];
56 	uint16_t	ibh_type;
57 };
58 
59 #ifdef _KERNEL
60 
61 /* pseudo header */
62 struct ieee1394_header {
63 	u_int8_t	ih_uid[8];		/* dst/src uid */
64 	u_int8_t	ih_maxrec;		/* dst maxrec for tx */
65 	u_int8_t	ih_speed;		/* speed */
66 	u_int8_t	ih_offset[6];		/* dst offset */
67 };
68 
69 /* unfragment encapsulation header */
70 struct ieee1394_unfraghdr {
71 	u_int16_t	iuh_ft;			/* fragment type == 0 */
72 	u_int16_t	iuh_etype;		/* ether_type */
73 };
74 
75 /* fragmented encapsulation header */
76 struct ieee1394_fraghdr {
77 	u_int16_t	ifh_ft_size;		/* fragment type, data size-1 */
78 	u_int16_t	ifh_etype_off;		/* etype for first fragment */
79 						/* offset for subseq frag */
80 	u_int16_t	ifh_dgl;		/* datagram label */
81 	u_int16_t	ifh_reserved;
82 };
83 
84 #define	IEEE1394_FT_SUBSEQ	0x8000
85 #define	IEEE1394_FT_MORE	0x4000
86 
87 #define	IEEE1394MTU		1500
88 
89 #define	IEEE1394_GASP_LEN	8		/* GASP header for Stream */
90 #define	IEEE1394_ADDR_LEN	8
91 #define	IEEE1394_CRC_LEN	4
92 
93 struct ieee1394_reass_pkt {
94 	LIST_ENTRY(ieee1394_reass_pkt) rp_next;
95 	struct mbuf	*rp_m;
96 	u_int16_t	rp_size;
97 	u_int16_t	rp_etype;
98 	u_int16_t	rp_off;
99 	u_int16_t	rp_dgl;
100 	u_int16_t	rp_len;
101 	u_int16_t	rp_ttl;
102 };
103 
104 struct ieee1394_reassq {
105 	LIST_ENTRY(ieee1394_reassq) rq_node;
106 	LIST_HEAD(, ieee1394_reass_pkt) rq_pkt;
107 	u_int32_t	fr_id;
108 };
109 
110 struct ieee1394com {
111 	struct ifnet	fc_if;
112 	struct ieee1394_hwaddr ic_hwaddr;
113 	u_int16_t	ic_dgl;
114 	LIST_HEAD(, ieee1394_reassq) ic_reassq;
115 };
116 
117 const char *ieee1394_sprintf(const u_int8_t *);
118 void ieee1394_input(struct ifnet *, struct mbuf *, u_int16_t);
119 void ieee1394_ifattach(struct ifnet *, const struct ieee1394_hwaddr *);
120 void ieee1394_ifdetach(struct ifnet *);
121 int  ieee1394_ioctl(struct ifnet *, u_long, caddr_t);
122 struct mbuf * ieee1394_fragment(struct ifnet *, struct mbuf *, int, u_int16_t);
123 void ieee1394_drain(struct ifnet *);
124 void ieee1394_watchdog(struct ifnet *);
125 #endif /* _KERNEL */
126 
127 #endif /* !_NET_IF_IEEE1394_H_ */
128