xref: /minix/sys/net/if_ieee1394.h (revision fb9c64b2)
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