1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
/*-
* Copyright (c) 2004 Doug Rabson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _NET_FIREWIRE_H_
#define _NET_FIREWIRE_H_
#define FW_ENCAP_UNFRAG 0
#define FW_ENCAP_FIRST 1
#define FW_ENCAP_LAST 2
#define FW_ENCAP_NEXT 3
union fw_encap {
uint32_t ul[2];
struct {
#if BYTE_ORDER == BIG_ENDIAN
uint32_t lf :2;
uint32_t reserved :14;
uint32_t ether_type :16;
#else
uint32_t ether_type :16;
uint32_t reserved :14;
uint32_t lf :2;
#endif
} unfrag;
struct {
#if BYTE_ORDER == BIG_ENDIAN
uint32_t lf :2;
uint32_t reserved1 :2;
uint32_t datagram_size :12;
uint32_t ether_type :16;
uint32_t dgl :16;
uint32_t reserved2 :16;
#else
uint32_t ether_type :16;
uint32_t datagram_size :12;
uint32_t reserved1 :2;
uint32_t lf :2;
uint32_t reserved2 :16;
uint32_t dgl :16;
#endif
} firstfrag;
struct {
#if BYTE_ORDER == BIG_ENDIAN
uint32_t lf :2;
uint32_t reserved1 :2;
uint32_t datagram_size :12;
uint32_t reserved2 :4;
uint32_t fragment_offset :12;
uint32_t dgl :16;
uint32_t reserved3 :16;
#else
uint32_t fragment_offset :12;
uint32_t reserved2 :4;
uint32_t datagram_size :12;
uint32_t reserved1 :2;
uint32_t lf :2;
uint32_t reserved3 :16;
uint32_t dgl :16;
#endif
} nextfrag;
};
#define MTAG_FIREWIRE 1394
#define MTAG_FIREWIRE_HWADDR 0
#define MTAG_FIREWIRE_SENDER_EUID 1
struct fw_hwaddr {
uint32_t sender_unique_ID_hi;
uint32_t sender_unique_ID_lo;
uint8_t sender_max_rec;
uint8_t sspd;
uint16_t sender_unicast_FIFO_hi;
uint32_t sender_unicast_FIFO_lo;
};
/*
* BPF wants to see one of these.
*/
struct fw_bpfhdr {
uint8_t firewire_dhost[8];
uint8_t firewire_shost[8];
uint16_t firewire_type;
};
#ifdef _KERNEL
/*
* A structure to track the reassembly of a link-level fragmented
* datagram.
*/
struct fw_reass {
STAILQ_ENTRY(fw_reass) fr_link;
uint32_t fr_id; /* host+dgl */
struct mbuf *fr_frags; /* chain of frags */
};
STAILQ_HEAD(fw_reass_list, fw_reass);
struct fw_com {
struct ifnet *fc_ifp;
struct fw_hwaddr fc_hwaddr;
struct firewire_comm *fc_fc;
uint8_t fc_broadcast_channel;
uint8_t fc_speed; /* our speed */
uint16_t fc_node; /* our nodeid */
struct fw_reass_list fc_frags; /* partial datagrams */
};
#define IFP2FWC(ifp) ((struct fw_com *)(ifp)->if_l2com)
extern void firewire_input(struct ifnet *ifp, struct mbuf *m, uint16_t src);
extern void firewire_ifattach(struct ifnet *, struct fw_hwaddr *);
extern void firewire_ifdetach(struct ifnet *);
extern void firewire_busreset(struct ifnet *);
extern int firewire_ioctl(struct ifnet *, int, caddr_t);
#endif /* !_KERNEL */
#endif /* !_NET_FIREWIRE_H_ */
|
