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