summaryrefslogtreecommitdiffstats
path: root/tools/usb/usbip/src/usbip_network.h
blob: c1e875cf1078cbc364ca9981f0d310d60331cba7 (plain)
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
/*
 * Copyright (C) 2005-2007 Takahiro Hirofuchi
 */

#ifndef __USBIP_NETWORK_H
#define __USBIP_NETWORK_H

#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif

#include <sys/types.h>

#include <stdint.h>

extern int usbip_port;
extern char *usbip_port_string;
void usbip_setup_port_number(char *arg);

/* ---------------------------------------------------------------------- */
/* Common header for all the kinds of PDUs. */
struct op_common {
	uint16_t version;

#define OP_REQUEST	(0x80 << 8)
#define OP_REPLY	(0x00 << 8)
	uint16_t code;

	/* add more error code */
#define ST_OK	0x00
#define ST_NA	0x01
	uint32_t status; /* op_code status (for reply) */

} __attribute__((packed));

#define PACK_OP_COMMON(pack, op_common)  do {\
	usbip_net_pack_uint16_t(pack, &(op_common)->version);\
	usbip_net_pack_uint16_t(pack, &(op_common)->code);\
	usbip_net_pack_uint32_t(pack, &(op_common)->status);\
} while (0)

/* ---------------------------------------------------------------------- */
/* Dummy Code */
#define OP_UNSPEC	0x00
#define OP_REQ_UNSPEC	OP_UNSPEC
#define OP_REP_UNSPEC	OP_UNSPEC

/* ---------------------------------------------------------------------- */
/* Retrieve USB device information. (still not used) */
#define OP_DEVINFO	0x02
#define OP_REQ_DEVINFO	(OP_REQUEST | OP_DEVINFO)
#define OP_REP_DEVINFO	(OP_REPLY   | OP_DEVINFO)

struct op_devinfo_request {
	char busid[SYSFS_BUS_ID_SIZE];
} __attribute__((packed));

struct op_devinfo_reply {
	struct usbip_usb_device udev;
	struct usbip_usb_interface uinf[];
} __attribute__((packed));

/* ---------------------------------------------------------------------- */
/* Import a remote USB device. */
#define OP_IMPORT	0x03
#define OP_REQ_IMPORT	(OP_REQUEST | OP_IMPORT)
#define OP_REP_IMPORT   (OP_REPLY   | OP_IMPORT)

struct op_import_request {
	char busid[SYSFS_BUS_ID_SIZE];
} __attribute__((packed));

struct op_import_reply {
	struct usbip_usb_device udev;
//	struct usbip_usb_interface uinf[];
} __attribute__((packed));

#define PACK_OP_IMPORT_REQUEST(pack, request)  do {\
} while (0)

#define PACK_OP_IMPORT_REPLY(pack, reply)  do {\
	usbip_net_pack_usb_device(pack, &(reply)->udev);\
} while (0)

/* ---------------------------------------------------------------------- */
/* Export a USB device to a remote host. */
#define OP_EXPORT	0x06
#define OP_REQ_EXPORT	(OP_REQUEST | OP_EXPORT)
#define OP_REP_EXPORT	(OP_REPLY   | OP_EXPORT)

struct op_export_request {
	struct usbip_usb_device udev;
} __attribute__((packed));

struct op_export_reply {
	int returncode;
} __attribute__((packed));


#define PACK_OP_EXPORT_REQUEST(pack, request)  do {\
	usbip_net_pack_usb_device(pack, &(request)->udev);\
} while (0)

#define PACK_OP_EXPORT_REPLY(pack, reply)  do {\
} while (0)

/* ---------------------------------------------------------------------- */
/* un-Export a USB device from a remote host. */
#define OP_UNEXPORT	0x07
#define OP_REQ_UNEXPORT	(OP_REQUEST | OP_UNEXPORT)
#define OP_REP_UNEXPORT	(OP_REPLY   | OP_UNEXPORT)

struct op_unexport_request {
	struct usbip_usb_device udev;
} __attribute__((packed));

struct op_unexport_reply {
	int returncode;
} __attribute__((packed));

#define PACK_OP_UNEXPORT_REQUEST(pack, request)  do {\
	usbip_net_pack_usb_device(pack, &(request)->udev);\
} while (0)

#define PACK_OP_UNEXPORT_REPLY(pack, reply)  do {\
} while (0)

/* ---------------------------------------------------------------------- */
/* Negotiate IPSec encryption key. (still not used) */
#define OP_CRYPKEY	0x04
#define OP_REQ_CRYPKEY	(OP_REQUEST | OP_CRYPKEY)
#define OP_REP_CRYPKEY	(OP_REPLY   | OP_CRYPKEY)

struct op_crypkey_request {
	/* 128bit key */
	uint32_t key[4];
} __attribute__((packed));

struct op_crypkey_reply {
	uint32_t __reserved;
} __attribute__((packed));


/* ---------------------------------------------------------------------- */
/* Retrieve the list of exported USB devices. */
#define OP_DEVLIST	0x05
#define OP_REQ_DEVLIST	(OP_REQUEST | OP_DEVLIST)
#define OP_REP_DEVLIST	(OP_REPLY   | OP_DEVLIST)

struct op_devlist_request {
} __attribute__((packed));

struct op_devlist_reply {
	uint32_t ndev;
	/* followed by reply_extra[] */
} __attribute__((packed));

struct op_devlist_reply_extra {
	struct usbip_usb_device    udev;
	struct usbip_usb_interface uinf[];
} __attribute__((packed));

#define PACK_OP_DEVLIST_REQUEST(pack, request)  do {\
} while (0)

#define PACK_OP_DEVLIST_REPLY(pack, reply)  do {\
	usbip_net_pack_uint32_t(pack, &(reply)->ndev);\
} while (0)

void usbip_net_pack_uint32_t(int pack, uint32_t *num);
void usbip_net_pack_uint16_t(int pack, uint16_t *num);
void usbip_net_pack_usb_device(int pack, struct usbip_usb_device *udev);
void usbip_net_pack_usb_interface(int pack, struct usbip_usb_interface *uinf);

ssize_t usbip_net_recv(int sockfd, void *buff, size_t bufflen);
ssize_t usbip_net_send(int sockfd, void *buff, size_t bufflen);
int usbip_net_send_op_common(int sockfd, uint32_t code, uint32_t status);
int usbip_net_recv_op_common(int sockfd, uint16_t *code);
int usbip_net_set_reuseaddr(int sockfd);
int usbip_net_set_nodelay(int sockfd);
int usbip_net_set_keepalive(int sockfd);
int usbip_net_set_v6only(int sockfd);
int usbip_net_tcp_connect(char *hostname, char *port);

#endif /* __USBIP_NETWORK_H */