usbip_network.h (5092B)
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 */