2 * Copyright (C) 2005-2007 Takahiro Hirofuchi
5 #ifndef _USBIP_NETWORK_H
6 #define _USBIP_NETWORK_H
10 #include <sys/socket.h>
11 #include <netinet/tcp.h>
14 /* -------------------------------------------------- */
15 /* Define Protocol Format */
16 /* -------------------------------------------------- */
19 /* ---------------------------------------------------------------------- */
20 /* Common header for all the kinds of PDUs. */
24 #define OP_REQUEST (0x80 << 8)
25 #define OP_REPLY (0x00 << 8)
28 /* add more error code */
31 uint32_t status; /* op_code status (for reply) */
33 } __attribute__((packed));
35 #define PACK_OP_COMMON(pack, op_common) do {\
36 pack_uint16_t(pack, &(op_common)->version);\
37 pack_uint16_t(pack, &(op_common)->code );\
38 pack_uint32_t(pack, &(op_common)->status );\
42 /* ---------------------------------------------------------------------- */
44 #define OP_UNSPEC 0x00
45 #define OP_REQ_UNSPEC OP_UNSPEC
46 #define OP_REP_UNSPEC OP_UNSPEC
48 /* ---------------------------------------------------------------------- */
49 /* Retrieve USB device information. (still not used) */
50 #define OP_DEVINFO 0x02
51 #define OP_REQ_DEVINFO (OP_REQUEST | OP_DEVINFO)
52 #define OP_REP_DEVINFO (OP_REPLY | OP_DEVINFO)
54 struct op_devinfo_request {
55 char busid[SYSFS_BUS_ID_SIZE];
56 } __attribute__((packed));
58 struct op_devinfo_reply {
59 struct usb_device udev;
60 struct usb_interface uinf[];
61 } __attribute__((packed));
64 /* ---------------------------------------------------------------------- */
65 /* Import a remote USB device. */
66 #define OP_IMPORT 0x03
67 #define OP_REQ_IMPORT (OP_REQUEST | OP_IMPORT)
68 #define OP_REP_IMPORT (OP_REPLY | OP_IMPORT)
70 struct op_import_request {
71 char busid[SYSFS_BUS_ID_SIZE];
72 } __attribute__((packed));
74 struct op_import_reply {
75 struct usb_device udev;
76 // struct usb_interface uinf[];
77 } __attribute__((packed));
79 #define PACK_OP_IMPORT_REQUEST(pack, request) do {\
82 #define PACK_OP_IMPORT_REPLY(pack, reply) do {\
83 pack_usb_device(pack, &(reply)->udev);\
88 /* ---------------------------------------------------------------------- */
89 /* Export a USB device to a remote host. */
90 #define OP_EXPORT 0x06
91 #define OP_REQ_EXPORT (OP_REQUEST | OP_EXPORT)
92 #define OP_REP_EXPORT (OP_REPLY | OP_EXPORT)
94 struct op_export_request {
95 struct usb_device udev;
96 } __attribute__((packed));
98 struct op_export_reply {
100 } __attribute__((packed));
103 #define PACK_OP_EXPORT_REQUEST(pack, request) do {\
104 pack_usb_device(pack, &(request)->udev);\
107 #define PACK_OP_EXPORT_REPLY(pack, reply) do {\
110 /* ---------------------------------------------------------------------- */
111 /* un-Export a USB device from a remote host. */
112 #define OP_UNEXPORT 0x07
113 #define OP_REQ_UNEXPORT (OP_REQUEST | OP_UNEXPORT)
114 #define OP_REP_UNEXPORT (OP_REPLY | OP_UNEXPORT)
116 struct op_unexport_request {
117 struct usb_device udev;
118 } __attribute__((packed));
120 struct op_unexport_reply {
122 } __attribute__((packed));
124 #define PACK_OP_UNEXPORT_REQUEST(pack, request) do {\
125 pack_usb_device(pack, &(request)->udev);\
128 #define PACK_OP_UNEXPORT_REPLY(pack, reply) do {\
133 /* ---------------------------------------------------------------------- */
134 /* Negotiate IPSec encryption key. (still not used) */
135 #define OP_CRYPKEY 0x04
136 #define OP_REQ_CRYPKEY (OP_REQUEST | OP_CRYPKEY)
137 #define OP_REP_CRYPKEY (OP_REPLY | OP_CRYPKEY)
139 struct op_crypkey_request {
142 } __attribute__((packed));
144 struct op_crypkey_reply {
146 } __attribute__((packed));
149 /* ---------------------------------------------------------------------- */
150 /* Retrieve the list of exported USB devices. */
151 #define OP_DEVLIST 0x05
152 #define OP_REQ_DEVLIST (OP_REQUEST | OP_DEVLIST)
153 #define OP_REP_DEVLIST (OP_REPLY | OP_DEVLIST)
155 struct op_devlist_request {
156 } __attribute__((packed));
158 struct op_devlist_reply {
160 /* followed by reply_extra[] */
161 } __attribute__((packed));
163 struct op_devlist_reply_extra {
164 struct usb_device udev;
165 struct usb_interface uinf[];
166 } __attribute__((packed));
168 #define PACK_OP_DEVLIST_REQUEST(pack, request) do {\
171 #define PACK_OP_DEVLIST_REPLY(pack, reply) do {\
172 pack_uint32_t(pack, &(reply)->ndev);\
176 /* -------------------------------------------------- */
177 /* Declare Prototype Function */
178 /* -------------------------------------------------- */
180 void pack_uint32_t(int pack, uint32_t *num);
181 void pack_uint16_t(int pack, uint16_t *num);
182 void pack_usb_device(int pack, struct usb_device *udev);
183 void pack_usb_interface(int pack, struct usb_interface *uinf);
185 ssize_t usbip_recv(int sockfd, void *buff, size_t bufflen);
186 ssize_t usbip_send(int sockfd, void *buff, size_t bufflen);
187 int usbip_send_op_common(int sockfd, uint32_t code, uint32_t status);
188 int usbip_recv_op_common(int sockfd, uint16_t *code);
189 int usbip_set_reuseaddr(int sockfd);
190 int usbip_set_nodelay(int sockfd);
191 int usbip_set_keepalive(int sockfd);
193 int tcp_connect(char *hostname, char *service);
195 #define USBIP_PORT 3240
196 #define USBIP_PORT_STRING "3240"