1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * Copyright (C) 2005-2007 Takahiro Hirofuchi
4 */
5
6 #ifndef __USBIP_NETWORK_H
7 #define __USBIP_NETWORK_H
8
9 #ifdef HAVE_CONFIG_H
10 #include "../config.h"
11 #endif
12
13 #include <sys/types.h>
14
15 #include <stdint.h>
16
17 extern int usbip_port;
18 extern char *usbip_port_string;
19 void usbip_setup_port_number(char *arg);
20
21 /* ---------------------------------------------------------------------- */
22 /* Common header for all the kinds of PDUs. */
23 struct op_common {
24 uint16_t version;
25
26 #define OP_REQUEST (0x80 << 8)
27 #define OP_REPLY (0x00 << 8)
28 uint16_t code;
29
30 /* status codes defined in usbip_common.h */
31 uint32_t status; /* op_code status (for reply) */
32
33 } __attribute__((packed));
34
35 /* ---------------------------------------------------------------------- */
36 /* Dummy Code */
37 #define OP_UNSPEC 0x00
38 #define OP_REQ_UNSPEC OP_UNSPEC
39 #define OP_REP_UNSPEC OP_UNSPEC
40
41 /* ---------------------------------------------------------------------- */
42 /* Retrieve USB device information. (still not used) */
43 #define OP_DEVINFO 0x02
44 #define OP_REQ_DEVINFO (OP_REQUEST | OP_DEVINFO)
45 #define OP_REP_DEVINFO (OP_REPLY | OP_DEVINFO)
46
47 struct op_devinfo_request {
48 char busid[SYSFS_BUS_ID_SIZE];
49 } __attribute__((packed));
50
51 struct op_devinfo_reply {
52 struct usbip_usb_device udev;
53 struct usbip_usb_interface uinf[];
54 } __attribute__((packed));
55
56 /* ---------------------------------------------------------------------- */
57 /* Import a remote USB device. */
58 #define OP_IMPORT 0x03
59 #define OP_REQ_IMPORT (OP_REQUEST | OP_IMPORT)
60 #define OP_REP_IMPORT (OP_REPLY | OP_IMPORT)
61
62 struct op_import_request {
63 char busid[SYSFS_BUS_ID_SIZE];
64 } __attribute__((packed));
65
66 struct op_import_reply {
67 struct usbip_usb_device udev;
68 // struct usbip_usb_interface uinf[];
69 } __attribute__((packed));
70
71 #define PACK_OP_IMPORT_REQUEST(pack, request) do {\
72 } while (0)
73
74 #define PACK_OP_IMPORT_REPLY(pack, reply) do {\
75 usbip_net_pack_usb_device(pack, &(reply)->udev);\
76 } while (0)
77
78 /* ---------------------------------------------------------------------- */
79 /* Export a USB device to a remote host. */
80 #define OP_EXPORT 0x06
81 #define OP_REQ_EXPORT (OP_REQUEST | OP_EXPORT)
82 #define OP_REP_EXPORT (OP_REPLY | OP_EXPORT)
83
84 struct op_export_request {
85 struct usbip_usb_device udev;
86 } __attribute__((packed));
87
88 struct op_export_reply {
89 int returncode;
90 } __attribute__((packed));
91
92
93 #define PACK_OP_EXPORT_REQUEST(pack, request) do {\
94 usbip_net_pack_usb_device(pack, &(request)->udev);\
95 } while (0)
96
97 #define PACK_OP_EXPORT_REPLY(pack, reply) do {\
98 } while (0)
99
100 /* ---------------------------------------------------------------------- */
101 /* un-Export a USB device from a remote host. */
102 #define OP_UNEXPORT 0x07
103 #define OP_REQ_UNEXPORT (OP_REQUEST | OP_UNEXPORT)
104 #define OP_REP_UNEXPORT (OP_REPLY | OP_UNEXPORT)
105
106 struct op_unexport_request {
107 struct usbip_usb_device udev;
108 } __attribute__((packed));
109
110 struct op_unexport_reply {
111 int returncode;
112 } __attribute__((packed));
113
114 #define PACK_OP_UNEXPORT_REQUEST(pack, request) do {\
115 usbip_net_pack_usb_device(pack, &(request)->udev);\
116 } while (0)
117
118 #define PACK_OP_UNEXPORT_REPLY(pack, reply) do {\
119 } while (0)
120
121 /* ---------------------------------------------------------------------- */
122 /* Negotiate IPSec encryption key. (still not used) */
123 #define OP_CRYPKEY 0x04
124 #define OP_REQ_CRYPKEY (OP_REQUEST | OP_CRYPKEY)
125 #define OP_REP_CRYPKEY (OP_REPLY | OP_CRYPKEY)
126
127 struct op_crypkey_request {
128 /* 128bit key */
129 uint32_t key[4];
130 } __attribute__((packed));
131
132 struct op_crypkey_reply {
133 uint32_t __reserved;
134 } __attribute__((packed));
135
136
137 /* ---------------------------------------------------------------------- */
138 /* Retrieve the list of exported USB devices. */
139 #define OP_DEVLIST 0x05
140 #define OP_REQ_DEVLIST (OP_REQUEST | OP_DEVLIST)
141 #define OP_REP_DEVLIST (OP_REPLY | OP_DEVLIST)
142
143 struct op_devlist_request {
144 } __attribute__((packed));
145
146 struct op_devlist_reply {
147 uint32_t ndev;
148 /* followed by reply_extra[] */
149 } __attribute__((packed));
150
151 struct op_devlist_reply_extra {
152 struct usbip_usb_device udev;
153 struct usbip_usb_interface uinf[];
154 } __attribute__((packed));
155
156 #define PACK_OP_DEVLIST_REQUEST(pack, request) do {\
157 } while (0)
158
159 #define PACK_OP_DEVLIST_REPLY(pack, reply) do {\
160 (reply)->ndev = usbip_net_pack_uint32_t(pack, (reply)->ndev);\
161 } while (0)
162
163 uint32_t usbip_net_pack_uint32_t(int pack, uint32_t num);
164 uint16_t usbip_net_pack_uint16_t(int pack, uint16_t num);
165 void usbip_net_pack_usb_device(int pack, struct usbip_usb_device *udev);
166 void usbip_net_pack_usb_interface(int pack, struct usbip_usb_interface *uinf);
167
168 ssize_t usbip_net_recv(int sockfd, void *buff, size_t bufflen);
169 ssize_t usbip_net_send(int sockfd, void *buff, size_t bufflen);
170 int usbip_net_send_op_common(int sockfd, uint32_t code, uint32_t status);
171 int usbip_net_recv_op_common(int sockfd, uint16_t *code, int *status);
172 int usbip_net_set_reuseaddr(int sockfd);
173 int usbip_net_set_nodelay(int sockfd);
174 int usbip_net_set_keepalive(int sockfd);
175 int usbip_net_set_v6only(int sockfd);
176 int usbip_net_tcp_connect(char *hostname, char *port);
177
178 #endif /* __USBIP_NETWORK_H */
179
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.