1 /* 2 * Copyright (C) 2005-2007 Takahiro Hirofuchi 3 */ 4 5 #ifndef __USBIP_NETWORK_H 6 #define __USBIP_NETWORK_H 7 8 #ifdef HAVE_CONFIG_H 9 #include "../config.h" 10 #endif 11 12 #include <sys/types.h> 13 #include <sysfs/libsysfs.h> 14 15 #include <stdint.h> 16 17 #define USBIP_PORT 3240 18 #define USBIP_PORT_STRING "3240" 19 20 /* ---------------------------------------------------------------------- */ 21 /* Common header for all the kinds of PDUs. */ 22 struct op_common { 23 uint16_t version; 24 25 #define OP_REQUEST (0x80 << 8) 26 #define OP_REPLY (0x00 << 8) 27 uint16_t code; 28 29 /* add more error code */ 30 #define ST_OK 0x00 31 #define ST_NA 0x01 32 uint32_t status; /* op_code status (for reply) */ 33 34 } __attribute__((packed)); 35 36 #define PACK_OP_COMMON(pack, op_common) do {\ 37 usbip_net_pack_uint16_t(pack, &(op_common)->version);\ 38 usbip_net_pack_uint16_t(pack, &(op_common)->code);\ 39 usbip_net_pack_uint32_t(pack, &(op_common)->status);\ 40 } while (0) 41 42 /* ---------------------------------------------------------------------- */ 43 /* Dummy Code */ 44 #define OP_UNSPEC 0x00 45 #define OP_REQ_UNSPEC OP_UNSPEC 46 #define OP_REP_UNSPEC OP_UNSPEC 47 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) 53 54 struct op_devinfo_request { 55 char busid[SYSFS_BUS_ID_SIZE]; 56 } __attribute__((packed)); 57 58 struct op_devinfo_reply { 59 struct usbip_usb_device udev; 60 struct usbip_usb_interface uinf[]; 61 } __attribute__((packed)); 62 63 /* ---------------------------------------------------------------------- */ 64 /* Import a remote USB device. */ 65 #define OP_IMPORT 0x03 66 #define OP_REQ_IMPORT (OP_REQUEST | OP_IMPORT) 67 #define OP_REP_IMPORT (OP_REPLY | OP_IMPORT) 68 69 struct op_import_request { 70 char busid[SYSFS_BUS_ID_SIZE]; 71 } __attribute__((packed)); 72 73 struct op_import_reply { 74 struct usbip_usb_device udev; 75 // struct usbip_usb_interface uinf[]; 76 } __attribute__((packed)); 77 78 #define PACK_OP_IMPORT_REQUEST(pack, request) do {\ 79 } while (0) 80 81 #define PACK_OP_IMPORT_REPLY(pack, reply) do {\ 82 usbip_net_pack_usb_device(pack, &(reply)->udev);\ 83 } while (0) 84 85 /* ---------------------------------------------------------------------- */ 86 /* Export a USB device to a remote host. */ 87 #define OP_EXPORT 0x06 88 #define OP_REQ_EXPORT (OP_REQUEST | OP_EXPORT) 89 #define OP_REP_EXPORT (OP_REPLY | OP_EXPORT) 90 91 struct op_export_request { 92 struct usbip_usb_device udev; 93 } __attribute__((packed)); 94 95 struct op_export_reply { 96 int returncode; 97 } __attribute__((packed)); 98 99 100 #define PACK_OP_EXPORT_REQUEST(pack, request) do {\ 101 usbip_net_pack_usb_device(pack, &(request)->udev);\ 102 } while (0) 103 104 #define PACK_OP_EXPORT_REPLY(pack, reply) do {\ 105 } while (0) 106 107 /* ---------------------------------------------------------------------- */ 108 /* un-Export a USB device from a remote host. */ 109 #define OP_UNEXPORT 0x07 110 #define OP_REQ_UNEXPORT (OP_REQUEST | OP_UNEXPORT) 111 #define OP_REP_UNEXPORT (OP_REPLY | OP_UNEXPORT) 112 113 struct op_unexport_request { 114 struct usbip_usb_device udev; 115 } __attribute__((packed)); 116 117 struct op_unexport_reply { 118 int returncode; 119 } __attribute__((packed)); 120 121 #define PACK_OP_UNEXPORT_REQUEST(pack, request) do {\ 122 usbip_net_pack_usb_device(pack, &(request)->udev);\ 123 } while (0) 124 125 #define PACK_OP_UNEXPORT_REPLY(pack, reply) do {\ 126 } while (0) 127 128 /* ---------------------------------------------------------------------- */ 129 /* Negotiate IPSec encryption key. (still not used) */ 130 #define OP_CRYPKEY 0x04 131 #define OP_REQ_CRYPKEY (OP_REQUEST | OP_CRYPKEY) 132 #define OP_REP_CRYPKEY (OP_REPLY | OP_CRYPKEY) 133 134 struct op_crypkey_request { 135 /* 128bit key */ 136 uint32_t key[4]; 137 } __attribute__((packed)); 138 139 struct op_crypkey_reply { 140 uint32_t __reserved; 141 } __attribute__((packed)); 142 143 144 /* ---------------------------------------------------------------------- */ 145 /* Retrieve the list of exported USB devices. */ 146 #define OP_DEVLIST 0x05 147 #define OP_REQ_DEVLIST (OP_REQUEST | OP_DEVLIST) 148 #define OP_REP_DEVLIST (OP_REPLY | OP_DEVLIST) 149 150 struct op_devlist_request { 151 } __attribute__((packed)); 152 153 struct op_devlist_reply { 154 uint32_t ndev; 155 /* followed by reply_extra[] */ 156 } __attribute__((packed)); 157 158 struct op_devlist_reply_extra { 159 struct usbip_usb_device udev; 160 struct usbip_usb_interface uinf[]; 161 } __attribute__((packed)); 162 163 #define PACK_OP_DEVLIST_REQUEST(pack, request) do {\ 164 } while (0) 165 166 #define PACK_OP_DEVLIST_REPLY(pack, reply) do {\ 167 usbip_net_pack_uint32_t(pack, &(reply)->ndev);\ 168 } while (0) 169 170 void usbip_net_pack_uint32_t(int pack, uint32_t *num); 171 void usbip_net_pack_uint16_t(int pack, uint16_t *num); 172 void usbip_net_pack_usb_device(int pack, struct usbip_usb_device *udev); 173 void usbip_net_pack_usb_interface(int pack, struct usbip_usb_interface *uinf); 174 175 ssize_t usbip_net_recv(int sockfd, void *buff, size_t bufflen); 176 ssize_t usbip_net_send(int sockfd, void *buff, size_t bufflen); 177 int usbip_net_send_op_common(int sockfd, uint32_t code, uint32_t status); 178 int usbip_net_recv_op_common(int sockfd, uint16_t *code); 179 int usbip_net_set_reuseaddr(int sockfd); 180 int usbip_net_set_nodelay(int sockfd); 181 int usbip_net_set_keepalive(int sockfd); 182 int usbip_net_tcp_connect(char *hostname, char *port); 183 184 #endif /* __USBIP_NETWORK_H */ 185