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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/**
* file phonet.h
*
* Phonet sockets kernel interface
*
* Copyright (C) 2008 Nokia Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef LINUX_PHONET_H
#define LINUX_PHONET_H
#include <linux/types.h>
/* Automatic protocol selection */
#define PN_PROTO_TRANSPORT 0
/* Phonet datagram socket */
#define PN_PROTO_PHONET 1
/* Phonet pipe */
#define PN_PROTO_PIPE 2
#define PHONET_NPROTO 3
/* Socket options for SOL_PNPIPE level */
#define PNPIPE_ENCAP 1
#define PNPIPE_IFINDEX 2
#define PNADDR_ANY 0
#define PNADDR_BROADCAST 0xFC
#define PNPORT_RESOURCE_ROUTING 0
/* Values for PNPIPE_ENCAP option */
#define PNPIPE_ENCAP_NONE 0
#define PNPIPE_ENCAP_IP 1
/* ioctls */
#define SIOCPNGETOBJECT (SIOCPROTOPRIVATE + 0)
/* Phonet protocol header */
struct phonethdr {
__u8 pn_rdev;
__u8 pn_sdev;
__u8 pn_res;
__be16 pn_length;
__u8 pn_robj;
__u8 pn_sobj;
} __attribute__((packed));
/* Common Phonet payload header */
struct phonetmsg {
__u8 pn_trans_id; /* transaction ID */
__u8 pn_msg_id; /* message type */
union {
struct {
__u8 pn_submsg_id; /* message subtype */
__u8 pn_data[5];
} base;
struct {
__u16 pn_e_res_id; /* extended resource ID */
__u8 pn_e_submsg_id; /* message subtype */
__u8 pn_e_data[3];
} ext;
} pn_msg_u;
};
#define PN_COMMON_MESSAGE 0xF0
#define PN_COMMGR 0x10
#define PN_PREFIX 0xE0 /* resource for extended messages */
#define pn_submsg_id pn_msg_u.base.pn_submsg_id
#define pn_e_submsg_id pn_msg_u.ext.pn_e_submsg_id
#define pn_e_res_id pn_msg_u.ext.pn_e_res_id
#define pn_data pn_msg_u.base.pn_data
#define pn_e_data pn_msg_u.ext.pn_e_data
/* data for unreachable errors */
#define PN_COMM_SERVICE_NOT_IDENTIFIED_RESP 0x01
#define PN_COMM_ISA_ENTITY_NOT_REACHABLE_RESP 0x14
#define pn_orig_msg_id pn_data[0]
#define pn_status pn_data[1]
#define pn_e_orig_msg_id pn_e_data[0]
#define pn_e_status pn_e_data[1]
/* Phonet socket address structure */
struct sockaddr_pn {
sa_family_t spn_family;
__u8 spn_obj;
__u8 spn_dev;
__u8 spn_resource;
__u8 spn_zero[sizeof(struct sockaddr) - sizeof(sa_family_t) - 3];
} __attribute__((packed));
/* Well known address */
#define PN_DEV_PC 0x10
static inline __u16 pn_object(__u8 addr, __u16 port)
{
return (addr << 8) | (port & 0x3ff);
}
static inline __u8 pn_obj(__u16 handle)
{
return handle & 0xff;
}
static inline __u8 pn_dev(__u16 handle)
{
return handle >> 8;
}
static inline __u16 pn_port(__u16 handle)
{
return handle & 0x3ff;
}
static inline __u8 pn_addr(__u16 handle)
{
return (handle >> 8) & 0xfc;
}
static inline void pn_sockaddr_set_addr(struct sockaddr_pn *spn, __u8 addr)
{
spn->spn_dev &= 0x03;
spn->spn_dev |= addr & 0xfc;
}
static inline void pn_sockaddr_set_port(struct sockaddr_pn *spn, __u16 port)
{
spn->spn_dev &= 0xfc;
spn->spn_dev |= (port >> 8) & 0x03;
spn->spn_obj = port & 0xff;
}
static inline void pn_sockaddr_set_object(struct sockaddr_pn *spn,
__u16 handle)
{
spn->spn_dev = pn_dev(handle);
spn->spn_obj = pn_obj(handle);
}
static inline void pn_sockaddr_set_resource(struct sockaddr_pn *spn,
__u8 resource)
{
spn->spn_resource = resource;
}
static inline __u8 pn_sockaddr_get_addr(const struct sockaddr_pn *spn)
{
return spn->spn_dev & 0xfc;
}
static inline __u16 pn_sockaddr_get_port(const struct sockaddr_pn *spn)
{
return ((spn->spn_dev & 0x03) << 8) | spn->spn_obj;
}
static inline __u16 pn_sockaddr_get_object(const struct sockaddr_pn *spn)
{
return pn_object(spn->spn_dev, spn->spn_obj);
}
static inline __u8 pn_sockaddr_get_resource(const struct sockaddr_pn *spn)
{
return spn->spn_resource;
}
/* Phonet device ioctl requests */
#ifdef __KERNEL__
#define SIOCPNGAUTOCONF (SIOCDEVPRIVATE + 0)
struct if_phonet_autoconf {
uint8_t device;
};
struct if_phonet_req {
char ifr_phonet_name[16];
union {
struct if_phonet_autoconf ifru_phonet_autoconf;
} ifr_ifru;
};
#define ifr_phonet_autoconf ifr_ifru.ifru_phonet_autoconf
#endif /* __KERNEL__ */
#endif
|
