1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (C) 2005-2007 Takahiro Hirofuchi
6 #ifndef __USBIP_NETWORK_H
7 #define __USBIP_NETWORK_H
10 #include "../config.h"
13 #include <sys/types.h>
17 extern int usbip_port;
18 extern char *usbip_port_string;
19 void usbip_setup_port_number(char *arg);
21 /* ---------------------------------------------------------------------- */
22 /* Common header for all the kinds of PDUs. */
26 #define OP_REQUEST (0x80 << 8)
27 #define OP_REPLY (0x00 << 8)
30 /* add more error code */
33 uint32_t status; /* op_code status (for reply) */
35 } __attribute__((packed));
37 /* ---------------------------------------------------------------------- */
39 #define OP_UNSPEC 0x00
40 #define OP_REQ_UNSPEC OP_UNSPEC
41 #define OP_REP_UNSPEC OP_UNSPEC
43 /* ---------------------------------------------------------------------- */
44 /* Retrieve USB device information. (still not used) */
45 #define OP_DEVINFO 0x02
46 #define OP_REQ_DEVINFO (OP_REQUEST | OP_DEVINFO)
47 #define OP_REP_DEVINFO (OP_REPLY | OP_DEVINFO)
49 struct op_devinfo_request {
50 char busid[SYSFS_BUS_ID_SIZE];
51 } __attribute__((packed));
53 struct op_devinfo_reply {
54 struct usbip_usb_device udev;
55 struct usbip_usb_interface uinf[];
56 } __attribute__((packed));
58 /* ---------------------------------------------------------------------- */
59 /* Import a remote USB device. */
60 #define OP_IMPORT 0x03
61 #define OP_REQ_IMPORT (OP_REQUEST | OP_IMPORT)
62 #define OP_REP_IMPORT (OP_REPLY | OP_IMPORT)
64 struct op_import_request {
65 char busid[SYSFS_BUS_ID_SIZE];
66 } __attribute__((packed));
68 struct op_import_reply {
69 struct usbip_usb_device udev;
70 // struct usbip_usb_interface uinf[];
71 } __attribute__((packed));
73 #define PACK_OP_IMPORT_REQUEST(pack, request) do {\
76 #define PACK_OP_IMPORT_REPLY(pack, reply) do {\
77 usbip_net_pack_usb_device(pack, &(reply)->udev);\
80 /* ---------------------------------------------------------------------- */
81 /* Export a USB device to a remote host. */
82 #define OP_EXPORT 0x06
83 #define OP_REQ_EXPORT (OP_REQUEST | OP_EXPORT)
84 #define OP_REP_EXPORT (OP_REPLY | OP_EXPORT)
86 struct op_export_request {
87 struct usbip_usb_device udev;
88 } __attribute__((packed));
90 struct op_export_reply {
92 } __attribute__((packed));
95 #define PACK_OP_EXPORT_REQUEST(pack, request) do {\
96 usbip_net_pack_usb_device(pack, &(request)->udev);\
99 #define PACK_OP_EXPORT_REPLY(pack, reply) do {\
102 /* ---------------------------------------------------------------------- */
103 /* un-Export a USB device from a remote host. */
104 #define OP_UNEXPORT 0x07
105 #define OP_REQ_UNEXPORT (OP_REQUEST | OP_UNEXPORT)
106 #define OP_REP_UNEXPORT (OP_REPLY | OP_UNEXPORT)
108 struct op_unexport_request {
109 struct usbip_usb_device udev;
110 } __attribute__((packed));
112 struct op_unexport_reply {
114 } __attribute__((packed));
116 #define PACK_OP_UNEXPORT_REQUEST(pack, request) do {\
117 usbip_net_pack_usb_device(pack, &(request)->udev);\
120 #define PACK_OP_UNEXPORT_REPLY(pack, reply) do {\
123 /* ---------------------------------------------------------------------- */
124 /* Negotiate IPSec encryption key. (still not used) */
125 #define OP_CRYPKEY 0x04
126 #define OP_REQ_CRYPKEY (OP_REQUEST | OP_CRYPKEY)
127 #define OP_REP_CRYPKEY (OP_REPLY | OP_CRYPKEY)
129 struct op_crypkey_request {
132 } __attribute__((packed));
134 struct op_crypkey_reply {
136 } __attribute__((packed));
139 /* ---------------------------------------------------------------------- */
140 /* Retrieve the list of exported USB devices. */
141 #define OP_DEVLIST 0x05
142 #define OP_REQ_DEVLIST (OP_REQUEST | OP_DEVLIST)
143 #define OP_REP_DEVLIST (OP_REPLY | OP_DEVLIST)
145 struct op_devlist_request {
146 } __attribute__((packed));
148 struct op_devlist_reply {
150 /* followed by reply_extra[] */
151 } __attribute__((packed));
153 struct op_devlist_reply_extra {
154 struct usbip_usb_device udev;
155 struct usbip_usb_interface uinf[];
156 } __attribute__((packed));
158 #define PACK_OP_DEVLIST_REQUEST(pack, request) do {\
161 #define PACK_OP_DEVLIST_REPLY(pack, reply) do {\
162 (reply)->ndev = usbip_net_pack_uint32_t(pack, (reply)->ndev);\
165 uint32_t usbip_net_pack_uint32_t(int pack, uint32_t num);
166 uint16_t usbip_net_pack_uint16_t(int pack, uint16_t num);
167 void usbip_net_pack_usb_device(int pack, struct usbip_usb_device *udev);
168 void usbip_net_pack_usb_interface(int pack, struct usbip_usb_interface *uinf);
170 ssize_t usbip_net_recv(int sockfd, void *buff, size_t bufflen);
171 ssize_t usbip_net_send(int sockfd, void *buff, size_t bufflen);
172 int usbip_net_send_op_common(int sockfd, uint32_t code, uint32_t status);
173 int usbip_net_recv_op_common(int sockfd, uint16_t *code);
174 int usbip_net_set_reuseaddr(int sockfd);
175 int usbip_net_set_nodelay(int sockfd);
176 int usbip_net_set_keepalive(int sockfd);
177 int usbip_net_set_v6only(int sockfd);
178 int usbip_net_tcp_connect(char *hostname, char *port);
180 #endif /* __USBIP_NETWORK_H */