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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
17extern int usbip_port;
18extern char *usbip_port_string;
19void usbip_setup_port_number(char *arg);
20
21/* ---------------------------------------------------------------------- */
22/* Common header for all the kinds of PDUs. */
23struct 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
47struct op_devinfo_request {
48 char busid[SYSFS_BUS_ID_SIZE];
49} __attribute__((packed));
50
51struct 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
62struct op_import_request {
63 char busid[SYSFS_BUS_ID_SIZE];
64} __attribute__((packed));
65
66struct 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
84struct op_export_request {
85 struct usbip_usb_device udev;
86} __attribute__((packed));
87
88struct 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
106struct op_unexport_request {
107 struct usbip_usb_device udev;
108} __attribute__((packed));
109
110struct 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
127struct op_crypkey_request {
128 /* 128bit key */
129 uint32_t key[4];
130} __attribute__((packed));
131
132struct 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
143struct op_devlist_request {
144} __attribute__((packed));
145
146struct op_devlist_reply {
147 uint32_t ndev;
148 /* followed by reply_extra[] */
149} __attribute__((packed));
150
151struct 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
163uint32_t usbip_net_pack_uint32_t(int pack, uint32_t num);
164uint16_t usbip_net_pack_uint16_t(int pack, uint16_t num);
165void usbip_net_pack_usb_device(int pack, struct usbip_usb_device *udev);
166void usbip_net_pack_usb_interface(int pack, struct usbip_usb_interface *uinf);
167
168ssize_t usbip_net_recv(int sockfd, void *buff, size_t bufflen);
169ssize_t usbip_net_send(int sockfd, void *buff, size_t bufflen);
170int usbip_net_send_op_common(int sockfd, uint32_t code, uint32_t status);
171int usbip_net_recv_op_common(int sockfd, uint16_t *code, int *status);
172int usbip_net_set_reuseaddr(int sockfd);
173int usbip_net_set_nodelay(int sockfd);
174int usbip_net_set_keepalive(int sockfd);
175int usbip_net_set_v6only(int sockfd);
176int usbip_net_tcp_connect(char *hostname, char *port);
177
178#endif /* __USBIP_NETWORK_H */
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
17extern int usbip_port;
18extern char *usbip_port_string;
19void usbip_setup_port_number(char *arg);
20
21/* ---------------------------------------------------------------------- */
22/* Common header for all the kinds of PDUs. */
23struct 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
47struct op_devinfo_request {
48 char busid[SYSFS_BUS_ID_SIZE];
49} __attribute__((packed));
50
51struct 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
62struct op_import_request {
63 char busid[SYSFS_BUS_ID_SIZE];
64} __attribute__((packed));
65
66struct 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
84struct op_export_request {
85 struct usbip_usb_device udev;
86} __attribute__((packed));
87
88struct 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
106struct op_unexport_request {
107 struct usbip_usb_device udev;
108} __attribute__((packed));
109
110struct 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
127struct op_crypkey_request {
128 /* 128bit key */
129 uint32_t key[4];
130} __attribute__((packed));
131
132struct 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
143struct op_devlist_request {
144} __attribute__((packed));
145
146struct op_devlist_reply {
147 uint32_t ndev;
148 /* followed by reply_extra[] */
149} __attribute__((packed));
150
151struct 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
163uint32_t usbip_net_pack_uint32_t(int pack, uint32_t num);
164uint16_t usbip_net_pack_uint16_t(int pack, uint16_t num);
165void usbip_net_pack_usb_device(int pack, struct usbip_usb_device *udev);
166void usbip_net_pack_usb_interface(int pack, struct usbip_usb_interface *uinf);
167
168ssize_t usbip_net_recv(int sockfd, void *buff, size_t bufflen);
169ssize_t usbip_net_send(int sockfd, void *buff, size_t bufflen);
170int usbip_net_send_op_common(int sockfd, uint32_t code, uint32_t status);
171int usbip_net_recv_op_common(int sockfd, uint16_t *code, int *status);
172int usbip_net_set_reuseaddr(int sockfd);
173int usbip_net_set_nodelay(int sockfd);
174int usbip_net_set_keepalive(int sockfd);
175int usbip_net_set_v6only(int sockfd);
176int usbip_net_tcp_connect(char *hostname, char *port);
177
178#endif /* __USBIP_NETWORK_H */