1 /* 2 * QEMU USB Net devices 3 * 4 * Copyright (c) 2006 Thomas Sailer 5 * Copyright (c) 2008 Andrzej Zaborowski 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a copy 8 * of this software and associated documentation files (the "Software"), to deal 9 * in the Software without restriction, including without limitation the rights 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 * copies of the Software, and to permit persons to whom the Software is 12 * furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 * THE SOFTWARE. 24 */ 25 26 #include "qemu-common.h" 27 #include "hw/usb.h" 28 #include "hw/usb/desc.h" 29 #include "net/net.h" 30 #include "qapi/qmp/qerror.h" 31 #include "qemu/queue.h" 32 #include "qemu/config-file.h" 33 #include "sysemu/sysemu.h" 34 #include "qemu/iov.h" 35 36 /*#define TRAFFIC_DEBUG*/ 37 /* Thanks to NetChip Technologies for donating this product ID. 38 * It's for devices with only CDC Ethernet configurations. 39 */ 40 #define CDC_VENDOR_NUM 0x0525 /* NetChip */ 41 #define CDC_PRODUCT_NUM 0xa4a1 /* Linux-USB Ethernet Gadget */ 42 /* For hardware that can talk RNDIS and either of the above protocols, 43 * use this ID ... the windows INF files will know it. 44 */ 45 #define RNDIS_VENDOR_NUM 0x0525 /* NetChip */ 46 #define RNDIS_PRODUCT_NUM 0xa4a2 /* Ethernet/RNDIS Gadget */ 47 48 enum usbstring_idx { 49 STRING_MANUFACTURER = 1, 50 STRING_PRODUCT, 51 STRING_ETHADDR, 52 STRING_DATA, 53 STRING_CONTROL, 54 STRING_RNDIS_CONTROL, 55 STRING_CDC, 56 STRING_SUBSET, 57 STRING_RNDIS, 58 STRING_SERIALNUMBER, 59 }; 60 61 #define DEV_CONFIG_VALUE 1 /* CDC or a subset */ 62 #define DEV_RNDIS_CONFIG_VALUE 2 /* RNDIS; optional */ 63 64 #define USB_CDC_SUBCLASS_ACM 0x02 65 #define USB_CDC_SUBCLASS_ETHERNET 0x06 66 67 #define USB_CDC_PROTO_NONE 0 68 #define USB_CDC_ACM_PROTO_VENDOR 0xff 69 70 #define USB_CDC_HEADER_TYPE 0x00 /* header_desc */ 71 #define USB_CDC_CALL_MANAGEMENT_TYPE 0x01 /* call_mgmt_descriptor */ 72 #define USB_CDC_ACM_TYPE 0x02 /* acm_descriptor */ 73 #define USB_CDC_UNION_TYPE 0x06 /* union_desc */ 74 #define USB_CDC_ETHERNET_TYPE 0x0f /* ether_desc */ 75 76 #define USB_CDC_SEND_ENCAPSULATED_COMMAND 0x00 77 #define USB_CDC_GET_ENCAPSULATED_RESPONSE 0x01 78 #define USB_CDC_REQ_SET_LINE_CODING 0x20 79 #define USB_CDC_REQ_GET_LINE_CODING 0x21 80 #define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22 81 #define USB_CDC_REQ_SEND_BREAK 0x23 82 #define USB_CDC_SET_ETHERNET_MULTICAST_FILTERS 0x40 83 #define USB_CDC_SET_ETHERNET_PM_PATTERN_FILTER 0x41 84 #define USB_CDC_GET_ETHERNET_PM_PATTERN_FILTER 0x42 85 #define USB_CDC_SET_ETHERNET_PACKET_FILTER 0x43 86 #define USB_CDC_GET_ETHERNET_STATISTIC 0x44 87 88 #define LOG2_STATUS_INTERVAL_MSEC 5 /* 1 << 5 == 32 msec */ 89 #define STATUS_BYTECOUNT 16 /* 8 byte header + data */ 90 91 #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */ 92 93 static const USBDescStrings usb_net_stringtable = { 94 [STRING_MANUFACTURER] = "QEMU", 95 [STRING_PRODUCT] = "RNDIS/QEMU USB Network Device", 96 [STRING_ETHADDR] = "400102030405", 97 [STRING_DATA] = "QEMU USB Net Data Interface", 98 [STRING_CONTROL] = "QEMU USB Net Control Interface", 99 [STRING_RNDIS_CONTROL] = "QEMU USB Net RNDIS Control Interface", 100 [STRING_CDC] = "QEMU USB Net CDC", 101 [STRING_SUBSET] = "QEMU USB Net Subset", 102 [STRING_RNDIS] = "QEMU USB Net RNDIS", 103 [STRING_SERIALNUMBER] = "1", 104 }; 105 106 static const USBDescIface desc_iface_rndis[] = { 107 { 108 /* RNDIS Control Interface */ 109 .bInterfaceNumber = 0, 110 .bNumEndpoints = 1, 111 .bInterfaceClass = USB_CLASS_COMM, 112 .bInterfaceSubClass = USB_CDC_SUBCLASS_ACM, 113 .bInterfaceProtocol = USB_CDC_ACM_PROTO_VENDOR, 114 .iInterface = STRING_RNDIS_CONTROL, 115 .ndesc = 4, 116 .descs = (USBDescOther[]) { 117 { 118 /* Header Descriptor */ 119 .data = (uint8_t[]) { 120 0x05, /* u8 bLength */ 121 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ 122 USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */ 123 0x10, 0x01, /* le16 bcdCDC */ 124 }, 125 },{ 126 /* Call Management Descriptor */ 127 .data = (uint8_t[]) { 128 0x05, /* u8 bLength */ 129 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ 130 USB_CDC_CALL_MANAGEMENT_TYPE, /* u8 bDescriptorSubType */ 131 0x00, /* u8 bmCapabilities */ 132 0x01, /* u8 bDataInterface */ 133 }, 134 },{ 135 /* ACM Descriptor */ 136 .data = (uint8_t[]) { 137 0x04, /* u8 bLength */ 138 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ 139 USB_CDC_ACM_TYPE, /* u8 bDescriptorSubType */ 140 0x00, /* u8 bmCapabilities */ 141 }, 142 },{ 143 /* Union Descriptor */ 144 .data = (uint8_t[]) { 145 0x05, /* u8 bLength */ 146 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ 147 USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */ 148 0x00, /* u8 bMasterInterface0 */ 149 0x01, /* u8 bSlaveInterface0 */ 150 }, 151 }, 152 }, 153 .eps = (USBDescEndpoint[]) { 154 { 155 .bEndpointAddress = USB_DIR_IN | 0x01, 156 .bmAttributes = USB_ENDPOINT_XFER_INT, 157 .wMaxPacketSize = STATUS_BYTECOUNT, 158 .bInterval = 1 << LOG2_STATUS_INTERVAL_MSEC, 159 }, 160 } 161 },{ 162 /* RNDIS Data Interface */ 163 .bInterfaceNumber = 1, 164 .bNumEndpoints = 2, 165 .bInterfaceClass = USB_CLASS_CDC_DATA, 166 .iInterface = STRING_DATA, 167 .eps = (USBDescEndpoint[]) { 168 { 169 .bEndpointAddress = USB_DIR_IN | 0x02, 170 .bmAttributes = USB_ENDPOINT_XFER_BULK, 171 .wMaxPacketSize = 0x40, 172 },{ 173 .bEndpointAddress = USB_DIR_OUT | 0x02, 174 .bmAttributes = USB_ENDPOINT_XFER_BULK, 175 .wMaxPacketSize = 0x40, 176 } 177 } 178 } 179 }; 180 181 static const USBDescIface desc_iface_cdc[] = { 182 { 183 /* CDC Control Interface */ 184 .bInterfaceNumber = 0, 185 .bNumEndpoints = 1, 186 .bInterfaceClass = USB_CLASS_COMM, 187 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, 188 .bInterfaceProtocol = USB_CDC_PROTO_NONE, 189 .iInterface = STRING_CONTROL, 190 .ndesc = 3, 191 .descs = (USBDescOther[]) { 192 { 193 /* Header Descriptor */ 194 .data = (uint8_t[]) { 195 0x05, /* u8 bLength */ 196 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ 197 USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */ 198 0x10, 0x01, /* le16 bcdCDC */ 199 }, 200 },{ 201 /* Union Descriptor */ 202 .data = (uint8_t[]) { 203 0x05, /* u8 bLength */ 204 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ 205 USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */ 206 0x00, /* u8 bMasterInterface0 */ 207 0x01, /* u8 bSlaveInterface0 */ 208 }, 209 },{ 210 /* Ethernet Descriptor */ 211 .data = (uint8_t[]) { 212 0x0d, /* u8 bLength */ 213 USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ 214 USB_CDC_ETHERNET_TYPE, /* u8 bDescriptorSubType */ 215 STRING_ETHADDR, /* u8 iMACAddress */ 216 0x00, 0x00, 0x00, 0x00, /* le32 bmEthernetStatistics */ 217 ETH_FRAME_LEN & 0xff, 218 ETH_FRAME_LEN >> 8, /* le16 wMaxSegmentSize */ 219 0x00, 0x00, /* le16 wNumberMCFilters */ 220 0x00, /* u8 bNumberPowerFilters */ 221 }, 222 }, 223 }, 224 .eps = (USBDescEndpoint[]) { 225 { 226 .bEndpointAddress = USB_DIR_IN | 0x01, 227 .bmAttributes = USB_ENDPOINT_XFER_INT, 228 .wMaxPacketSize = STATUS_BYTECOUNT, 229 .bInterval = 1 << LOG2_STATUS_INTERVAL_MSEC, 230 }, 231 } 232 },{ 233 /* CDC Data Interface (off) */ 234 .bInterfaceNumber = 1, 235 .bAlternateSetting = 0, 236 .bNumEndpoints = 0, 237 .bInterfaceClass = USB_CLASS_CDC_DATA, 238 },{ 239 /* CDC Data Interface */ 240 .bInterfaceNumber = 1, 241 .bAlternateSetting = 1, 242 .bNumEndpoints = 2, 243 .bInterfaceClass = USB_CLASS_CDC_DATA, 244 .iInterface = STRING_DATA, 245 .eps = (USBDescEndpoint[]) { 246 { 247 .bEndpointAddress = USB_DIR_IN | 0x02, 248 .bmAttributes = USB_ENDPOINT_XFER_BULK, 249 .wMaxPacketSize = 0x40, 250 },{ 251 .bEndpointAddress = USB_DIR_OUT | 0x02, 252 .bmAttributes = USB_ENDPOINT_XFER_BULK, 253 .wMaxPacketSize = 0x40, 254 } 255 } 256 } 257 }; 258 259 static const USBDescDevice desc_device_net = { 260 .bcdUSB = 0x0200, 261 .bDeviceClass = USB_CLASS_COMM, 262 .bMaxPacketSize0 = 0x40, 263 .bNumConfigurations = 2, 264 .confs = (USBDescConfig[]) { 265 { 266 .bNumInterfaces = 2, 267 .bConfigurationValue = DEV_RNDIS_CONFIG_VALUE, 268 .iConfiguration = STRING_RNDIS, 269 .bmAttributes = 0xc0, 270 .bMaxPower = 0x32, 271 .nif = ARRAY_SIZE(desc_iface_rndis), 272 .ifs = desc_iface_rndis, 273 },{ 274 .bNumInterfaces = 2, 275 .bConfigurationValue = DEV_CONFIG_VALUE, 276 .iConfiguration = STRING_CDC, 277 .bmAttributes = 0xc0, 278 .bMaxPower = 0x32, 279 .nif = ARRAY_SIZE(desc_iface_cdc), 280 .ifs = desc_iface_cdc, 281 } 282 }, 283 }; 284 285 static const USBDesc desc_net = { 286 .id = { 287 .idVendor = RNDIS_VENDOR_NUM, 288 .idProduct = RNDIS_PRODUCT_NUM, 289 .bcdDevice = 0, 290 .iManufacturer = STRING_MANUFACTURER, 291 .iProduct = STRING_PRODUCT, 292 .iSerialNumber = STRING_SERIALNUMBER, 293 }, 294 .full = &desc_device_net, 295 .str = usb_net_stringtable, 296 }; 297 298 /* 299 * RNDIS Definitions - in theory not specific to USB. 300 */ 301 #define RNDIS_MAXIMUM_FRAME_SIZE 1518 302 #define RNDIS_MAX_TOTAL_SIZE 1558 303 304 /* Remote NDIS Versions */ 305 #define RNDIS_MAJOR_VERSION 1 306 #define RNDIS_MINOR_VERSION 0 307 308 /* Status Values */ 309 #define RNDIS_STATUS_SUCCESS 0x00000000U /* Success */ 310 #define RNDIS_STATUS_FAILURE 0xc0000001U /* Unspecified error */ 311 #define RNDIS_STATUS_INVALID_DATA 0xc0010015U /* Invalid data */ 312 #define RNDIS_STATUS_NOT_SUPPORTED 0xc00000bbU /* Unsupported request */ 313 #define RNDIS_STATUS_MEDIA_CONNECT 0x4001000bU /* Device connected */ 314 #define RNDIS_STATUS_MEDIA_DISCONNECT 0x4001000cU /* Device disconnected */ 315 316 /* Message Set for Connectionless (802.3) Devices */ 317 enum { 318 RNDIS_PACKET_MSG = 1, 319 RNDIS_INITIALIZE_MSG = 2, /* Initialize device */ 320 RNDIS_HALT_MSG = 3, 321 RNDIS_QUERY_MSG = 4, 322 RNDIS_SET_MSG = 5, 323 RNDIS_RESET_MSG = 6, 324 RNDIS_INDICATE_STATUS_MSG = 7, 325 RNDIS_KEEPALIVE_MSG = 8, 326 }; 327 328 /* Message completion */ 329 enum { 330 RNDIS_INITIALIZE_CMPLT = 0x80000002U, 331 RNDIS_QUERY_CMPLT = 0x80000004U, 332 RNDIS_SET_CMPLT = 0x80000005U, 333 RNDIS_RESET_CMPLT = 0x80000006U, 334 RNDIS_KEEPALIVE_CMPLT = 0x80000008U, 335 }; 336 337 /* Device Flags */ 338 enum { 339 RNDIS_DF_CONNECTIONLESS = 1, 340 RNDIS_DF_CONNECTIONORIENTED = 2, 341 }; 342 343 #define RNDIS_MEDIUM_802_3 0x00000000U 344 345 /* from drivers/net/sk98lin/h/skgepnmi.h */ 346 #define OID_PNP_CAPABILITIES 0xfd010100 347 #define OID_PNP_SET_POWER 0xfd010101 348 #define OID_PNP_QUERY_POWER 0xfd010102 349 #define OID_PNP_ADD_WAKE_UP_PATTERN 0xfd010103 350 #define OID_PNP_REMOVE_WAKE_UP_PATTERN 0xfd010104 351 #define OID_PNP_ENABLE_WAKE_UP 0xfd010106 352 353 typedef uint32_t le32; 354 355 typedef struct rndis_init_msg_type { 356 le32 MessageType; 357 le32 MessageLength; 358 le32 RequestID; 359 le32 MajorVersion; 360 le32 MinorVersion; 361 le32 MaxTransferSize; 362 } rndis_init_msg_type; 363 364 typedef struct rndis_init_cmplt_type { 365 le32 MessageType; 366 le32 MessageLength; 367 le32 RequestID; 368 le32 Status; 369 le32 MajorVersion; 370 le32 MinorVersion; 371 le32 DeviceFlags; 372 le32 Medium; 373 le32 MaxPacketsPerTransfer; 374 le32 MaxTransferSize; 375 le32 PacketAlignmentFactor; 376 le32 AFListOffset; 377 le32 AFListSize; 378 } rndis_init_cmplt_type; 379 380 typedef struct rndis_halt_msg_type { 381 le32 MessageType; 382 le32 MessageLength; 383 le32 RequestID; 384 } rndis_halt_msg_type; 385 386 typedef struct rndis_query_msg_type { 387 le32 MessageType; 388 le32 MessageLength; 389 le32 RequestID; 390 le32 OID; 391 le32 InformationBufferLength; 392 le32 InformationBufferOffset; 393 le32 DeviceVcHandle; 394 } rndis_query_msg_type; 395 396 typedef struct rndis_query_cmplt_type { 397 le32 MessageType; 398 le32 MessageLength; 399 le32 RequestID; 400 le32 Status; 401 le32 InformationBufferLength; 402 le32 InformationBufferOffset; 403 } rndis_query_cmplt_type; 404 405 typedef struct rndis_set_msg_type { 406 le32 MessageType; 407 le32 MessageLength; 408 le32 RequestID; 409 le32 OID; 410 le32 InformationBufferLength; 411 le32 InformationBufferOffset; 412 le32 DeviceVcHandle; 413 } rndis_set_msg_type; 414 415 typedef struct rndis_set_cmplt_type { 416 le32 MessageType; 417 le32 MessageLength; 418 le32 RequestID; 419 le32 Status; 420 } rndis_set_cmplt_type; 421 422 typedef struct rndis_reset_msg_type { 423 le32 MessageType; 424 le32 MessageLength; 425 le32 Reserved; 426 } rndis_reset_msg_type; 427 428 typedef struct rndis_reset_cmplt_type { 429 le32 MessageType; 430 le32 MessageLength; 431 le32 Status; 432 le32 AddressingReset; 433 } rndis_reset_cmplt_type; 434 435 typedef struct rndis_indicate_status_msg_type { 436 le32 MessageType; 437 le32 MessageLength; 438 le32 Status; 439 le32 StatusBufferLength; 440 le32 StatusBufferOffset; 441 } rndis_indicate_status_msg_type; 442 443 typedef struct rndis_keepalive_msg_type { 444 le32 MessageType; 445 le32 MessageLength; 446 le32 RequestID; 447 } rndis_keepalive_msg_type; 448 449 typedef struct rndis_keepalive_cmplt_type { 450 le32 MessageType; 451 le32 MessageLength; 452 le32 RequestID; 453 le32 Status; 454 } rndis_keepalive_cmplt_type; 455 456 struct rndis_packet_msg_type { 457 le32 MessageType; 458 le32 MessageLength; 459 le32 DataOffset; 460 le32 DataLength; 461 le32 OOBDataOffset; 462 le32 OOBDataLength; 463 le32 NumOOBDataElements; 464 le32 PerPacketInfoOffset; 465 le32 PerPacketInfoLength; 466 le32 VcHandle; 467 le32 Reserved; 468 }; 469 470 struct rndis_config_parameter { 471 le32 ParameterNameOffset; 472 le32 ParameterNameLength; 473 le32 ParameterType; 474 le32 ParameterValueOffset; 475 le32 ParameterValueLength; 476 }; 477 478 /* implementation specific */ 479 enum rndis_state 480 { 481 RNDIS_UNINITIALIZED, 482 RNDIS_INITIALIZED, 483 RNDIS_DATA_INITIALIZED, 484 }; 485 486 /* from ndis.h */ 487 enum ndis_oid { 488 /* Required Object IDs (OIDs) */ 489 OID_GEN_SUPPORTED_LIST = 0x00010101, 490 OID_GEN_HARDWARE_STATUS = 0x00010102, 491 OID_GEN_MEDIA_SUPPORTED = 0x00010103, 492 OID_GEN_MEDIA_IN_USE = 0x00010104, 493 OID_GEN_MAXIMUM_LOOKAHEAD = 0x00010105, 494 OID_GEN_MAXIMUM_FRAME_SIZE = 0x00010106, 495 OID_GEN_LINK_SPEED = 0x00010107, 496 OID_GEN_TRANSMIT_BUFFER_SPACE = 0x00010108, 497 OID_GEN_RECEIVE_BUFFER_SPACE = 0x00010109, 498 OID_GEN_TRANSMIT_BLOCK_SIZE = 0x0001010a, 499 OID_GEN_RECEIVE_BLOCK_SIZE = 0x0001010b, 500 OID_GEN_VENDOR_ID = 0x0001010c, 501 OID_GEN_VENDOR_DESCRIPTION = 0x0001010d, 502 OID_GEN_CURRENT_PACKET_FILTER = 0x0001010e, 503 OID_GEN_CURRENT_LOOKAHEAD = 0x0001010f, 504 OID_GEN_DRIVER_VERSION = 0x00010110, 505 OID_GEN_MAXIMUM_TOTAL_SIZE = 0x00010111, 506 OID_GEN_PROTOCOL_OPTIONS = 0x00010112, 507 OID_GEN_MAC_OPTIONS = 0x00010113, 508 OID_GEN_MEDIA_CONNECT_STATUS = 0x00010114, 509 OID_GEN_MAXIMUM_SEND_PACKETS = 0x00010115, 510 OID_GEN_VENDOR_DRIVER_VERSION = 0x00010116, 511 OID_GEN_SUPPORTED_GUIDS = 0x00010117, 512 OID_GEN_NETWORK_LAYER_ADDRESSES = 0x00010118, 513 OID_GEN_TRANSPORT_HEADER_OFFSET = 0x00010119, 514 OID_GEN_MACHINE_NAME = 0x0001021a, 515 OID_GEN_RNDIS_CONFIG_PARAMETER = 0x0001021b, 516 OID_GEN_VLAN_ID = 0x0001021c, 517 518 /* Optional OIDs */ 519 OID_GEN_MEDIA_CAPABILITIES = 0x00010201, 520 OID_GEN_PHYSICAL_MEDIUM = 0x00010202, 521 522 /* Required statistics OIDs */ 523 OID_GEN_XMIT_OK = 0x00020101, 524 OID_GEN_RCV_OK = 0x00020102, 525 OID_GEN_XMIT_ERROR = 0x00020103, 526 OID_GEN_RCV_ERROR = 0x00020104, 527 OID_GEN_RCV_NO_BUFFER = 0x00020105, 528 529 /* Optional statistics OIDs */ 530 OID_GEN_DIRECTED_BYTES_XMIT = 0x00020201, 531 OID_GEN_DIRECTED_FRAMES_XMIT = 0x00020202, 532 OID_GEN_MULTICAST_BYTES_XMIT = 0x00020203, 533 OID_GEN_MULTICAST_FRAMES_XMIT = 0x00020204, 534 OID_GEN_BROADCAST_BYTES_XMIT = 0x00020205, 535 OID_GEN_BROADCAST_FRAMES_XMIT = 0x00020206, 536 OID_GEN_DIRECTED_BYTES_RCV = 0x00020207, 537 OID_GEN_DIRECTED_FRAMES_RCV = 0x00020208, 538 OID_GEN_MULTICAST_BYTES_RCV = 0x00020209, 539 OID_GEN_MULTICAST_FRAMES_RCV = 0x0002020a, 540 OID_GEN_BROADCAST_BYTES_RCV = 0x0002020b, 541 OID_GEN_BROADCAST_FRAMES_RCV = 0x0002020c, 542 OID_GEN_RCV_CRC_ERROR = 0x0002020d, 543 OID_GEN_TRANSMIT_QUEUE_LENGTH = 0x0002020e, 544 OID_GEN_GET_TIME_CAPS = 0x0002020f, 545 OID_GEN_GET_NETCARD_TIME = 0x00020210, 546 OID_GEN_NETCARD_LOAD = 0x00020211, 547 OID_GEN_DEVICE_PROFILE = 0x00020212, 548 OID_GEN_INIT_TIME_MS = 0x00020213, 549 OID_GEN_RESET_COUNTS = 0x00020214, 550 OID_GEN_MEDIA_SENSE_COUNTS = 0x00020215, 551 OID_GEN_FRIENDLY_NAME = 0x00020216, 552 OID_GEN_MINIPORT_INFO = 0x00020217, 553 OID_GEN_RESET_VERIFY_PARAMETERS = 0x00020218, 554 555 /* IEEE 802.3 (Ethernet) OIDs */ 556 OID_802_3_PERMANENT_ADDRESS = 0x01010101, 557 OID_802_3_CURRENT_ADDRESS = 0x01010102, 558 OID_802_3_MULTICAST_LIST = 0x01010103, 559 OID_802_3_MAXIMUM_LIST_SIZE = 0x01010104, 560 OID_802_3_MAC_OPTIONS = 0x01010105, 561 OID_802_3_RCV_ERROR_ALIGNMENT = 0x01020101, 562 OID_802_3_XMIT_ONE_COLLISION = 0x01020102, 563 OID_802_3_XMIT_MORE_COLLISIONS = 0x01020103, 564 OID_802_3_XMIT_DEFERRED = 0x01020201, 565 OID_802_3_XMIT_MAX_COLLISIONS = 0x01020202, 566 OID_802_3_RCV_OVERRUN = 0x01020203, 567 OID_802_3_XMIT_UNDERRUN = 0x01020204, 568 OID_802_3_XMIT_HEARTBEAT_FAILURE = 0x01020205, 569 OID_802_3_XMIT_TIMES_CRS_LOST = 0x01020206, 570 OID_802_3_XMIT_LATE_COLLISIONS = 0x01020207, 571 }; 572 573 static const uint32_t oid_supported_list[] = 574 { 575 /* the general stuff */ 576 OID_GEN_SUPPORTED_LIST, 577 OID_GEN_HARDWARE_STATUS, 578 OID_GEN_MEDIA_SUPPORTED, 579 OID_GEN_MEDIA_IN_USE, 580 OID_GEN_MAXIMUM_FRAME_SIZE, 581 OID_GEN_LINK_SPEED, 582 OID_GEN_TRANSMIT_BLOCK_SIZE, 583 OID_GEN_RECEIVE_BLOCK_SIZE, 584 OID_GEN_VENDOR_ID, 585 OID_GEN_VENDOR_DESCRIPTION, 586 OID_GEN_VENDOR_DRIVER_VERSION, 587 OID_GEN_CURRENT_PACKET_FILTER, 588 OID_GEN_MAXIMUM_TOTAL_SIZE, 589 OID_GEN_MEDIA_CONNECT_STATUS, 590 OID_GEN_PHYSICAL_MEDIUM, 591 592 /* the statistical stuff */ 593 OID_GEN_XMIT_OK, 594 OID_GEN_RCV_OK, 595 OID_GEN_XMIT_ERROR, 596 OID_GEN_RCV_ERROR, 597 OID_GEN_RCV_NO_BUFFER, 598 599 /* IEEE 802.3 */ 600 /* the general stuff */ 601 OID_802_3_PERMANENT_ADDRESS, 602 OID_802_3_CURRENT_ADDRESS, 603 OID_802_3_MULTICAST_LIST, 604 OID_802_3_MAC_OPTIONS, 605 OID_802_3_MAXIMUM_LIST_SIZE, 606 607 /* the statistical stuff */ 608 OID_802_3_RCV_ERROR_ALIGNMENT, 609 OID_802_3_XMIT_ONE_COLLISION, 610 OID_802_3_XMIT_MORE_COLLISIONS, 611 }; 612 613 #define NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA (1 << 0) 614 #define NDIS_MAC_OPTION_RECEIVE_SERIALIZED (1 << 1) 615 #define NDIS_MAC_OPTION_TRANSFERS_NOT_PEND (1 << 2) 616 #define NDIS_MAC_OPTION_NO_LOOPBACK (1 << 3) 617 #define NDIS_MAC_OPTION_FULL_DUPLEX (1 << 4) 618 #define NDIS_MAC_OPTION_EOTX_INDICATION (1 << 5) 619 #define NDIS_MAC_OPTION_8021P_PRIORITY (1 << 6) 620 621 struct rndis_response { 622 QTAILQ_ENTRY(rndis_response) entries; 623 uint32_t length; 624 uint8_t buf[0]; 625 }; 626 627 typedef struct USBNetState { 628 USBDevice dev; 629 630 enum rndis_state rndis_state; 631 uint32_t medium; 632 uint32_t speed; 633 uint32_t media_state; 634 uint16_t filter; 635 uint32_t vendorid; 636 637 unsigned int out_ptr; 638 uint8_t out_buf[2048]; 639 640 unsigned int in_ptr, in_len; 641 uint8_t in_buf[2048]; 642 643 USBEndpoint *intr; 644 645 char usbstring_mac[13]; 646 NICState *nic; 647 NICConf conf; 648 QTAILQ_HEAD(rndis_resp_head, rndis_response) rndis_resp; 649 } USBNetState; 650 651 static int is_rndis(USBNetState *s) 652 { 653 return s->dev.config->bConfigurationValue == DEV_RNDIS_CONFIG_VALUE; 654 } 655 656 static int ndis_query(USBNetState *s, uint32_t oid, 657 uint8_t *inbuf, unsigned int inlen, uint8_t *outbuf, 658 size_t outlen) 659 { 660 unsigned int i; 661 662 switch (oid) { 663 /* general oids (table 4-1) */ 664 /* mandatory */ 665 case OID_GEN_SUPPORTED_LIST: 666 for (i = 0; i < ARRAY_SIZE(oid_supported_list); i++) 667 ((le32 *) outbuf)[i] = cpu_to_le32(oid_supported_list[i]); 668 return sizeof(oid_supported_list); 669 670 /* mandatory */ 671 case OID_GEN_HARDWARE_STATUS: 672 *((le32 *) outbuf) = cpu_to_le32(0); 673 return sizeof(le32); 674 675 /* mandatory */ 676 case OID_GEN_MEDIA_SUPPORTED: 677 *((le32 *) outbuf) = cpu_to_le32(s->medium); 678 return sizeof(le32); 679 680 /* mandatory */ 681 case OID_GEN_MEDIA_IN_USE: 682 *((le32 *) outbuf) = cpu_to_le32(s->medium); 683 return sizeof(le32); 684 685 /* mandatory */ 686 case OID_GEN_MAXIMUM_FRAME_SIZE: 687 *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN); 688 return sizeof(le32); 689 690 /* mandatory */ 691 case OID_GEN_LINK_SPEED: 692 *((le32 *) outbuf) = cpu_to_le32(s->speed); 693 return sizeof(le32); 694 695 /* mandatory */ 696 case OID_GEN_TRANSMIT_BLOCK_SIZE: 697 *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN); 698 return sizeof(le32); 699 700 /* mandatory */ 701 case OID_GEN_RECEIVE_BLOCK_SIZE: 702 *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN); 703 return sizeof(le32); 704 705 /* mandatory */ 706 case OID_GEN_VENDOR_ID: 707 *((le32 *) outbuf) = cpu_to_le32(s->vendorid); 708 return sizeof(le32); 709 710 /* mandatory */ 711 case OID_GEN_VENDOR_DESCRIPTION: 712 pstrcpy((char *)outbuf, outlen, "QEMU USB RNDIS Net"); 713 return strlen((char *)outbuf) + 1; 714 715 case OID_GEN_VENDOR_DRIVER_VERSION: 716 *((le32 *) outbuf) = cpu_to_le32(1); 717 return sizeof(le32); 718 719 /* mandatory */ 720 case OID_GEN_CURRENT_PACKET_FILTER: 721 *((le32 *) outbuf) = cpu_to_le32(s->filter); 722 return sizeof(le32); 723 724 /* mandatory */ 725 case OID_GEN_MAXIMUM_TOTAL_SIZE: 726 *((le32 *) outbuf) = cpu_to_le32(RNDIS_MAX_TOTAL_SIZE); 727 return sizeof(le32); 728 729 /* mandatory */ 730 case OID_GEN_MEDIA_CONNECT_STATUS: 731 *((le32 *) outbuf) = cpu_to_le32(s->media_state); 732 return sizeof(le32); 733 734 case OID_GEN_PHYSICAL_MEDIUM: 735 *((le32 *) outbuf) = cpu_to_le32(0); 736 return sizeof(le32); 737 738 case OID_GEN_MAC_OPTIONS: 739 *((le32 *) outbuf) = cpu_to_le32( 740 NDIS_MAC_OPTION_RECEIVE_SERIALIZED | 741 NDIS_MAC_OPTION_FULL_DUPLEX); 742 return sizeof(le32); 743 744 /* statistics OIDs (table 4-2) */ 745 /* mandatory */ 746 case OID_GEN_XMIT_OK: 747 *((le32 *) outbuf) = cpu_to_le32(0); 748 return sizeof(le32); 749 750 /* mandatory */ 751 case OID_GEN_RCV_OK: 752 *((le32 *) outbuf) = cpu_to_le32(0); 753 return sizeof(le32); 754 755 /* mandatory */ 756 case OID_GEN_XMIT_ERROR: 757 *((le32 *) outbuf) = cpu_to_le32(0); 758 return sizeof(le32); 759 760 /* mandatory */ 761 case OID_GEN_RCV_ERROR: 762 *((le32 *) outbuf) = cpu_to_le32(0); 763 return sizeof(le32); 764 765 /* mandatory */ 766 case OID_GEN_RCV_NO_BUFFER: 767 *((le32 *) outbuf) = cpu_to_le32(0); 768 return sizeof(le32); 769 770 /* ieee802.3 OIDs (table 4-3) */ 771 /* mandatory */ 772 case OID_802_3_PERMANENT_ADDRESS: 773 memcpy(outbuf, s->conf.macaddr.a, 6); 774 return 6; 775 776 /* mandatory */ 777 case OID_802_3_CURRENT_ADDRESS: 778 memcpy(outbuf, s->conf.macaddr.a, 6); 779 return 6; 780 781 /* mandatory */ 782 case OID_802_3_MULTICAST_LIST: 783 *((le32 *) outbuf) = cpu_to_le32(0xe0000000); 784 return sizeof(le32); 785 786 /* mandatory */ 787 case OID_802_3_MAXIMUM_LIST_SIZE: 788 *((le32 *) outbuf) = cpu_to_le32(1); 789 return sizeof(le32); 790 791 case OID_802_3_MAC_OPTIONS: 792 return 0; 793 794 /* ieee802.3 statistics OIDs (table 4-4) */ 795 /* mandatory */ 796 case OID_802_3_RCV_ERROR_ALIGNMENT: 797 *((le32 *) outbuf) = cpu_to_le32(0); 798 return sizeof(le32); 799 800 /* mandatory */ 801 case OID_802_3_XMIT_ONE_COLLISION: 802 *((le32 *) outbuf) = cpu_to_le32(0); 803 return sizeof(le32); 804 805 /* mandatory */ 806 case OID_802_3_XMIT_MORE_COLLISIONS: 807 *((le32 *) outbuf) = cpu_to_le32(0); 808 return sizeof(le32); 809 810 default: 811 fprintf(stderr, "usbnet: unknown OID 0x%08x\n", oid); 812 return 0; 813 } 814 return -1; 815 } 816 817 static int ndis_set(USBNetState *s, uint32_t oid, 818 uint8_t *inbuf, unsigned int inlen) 819 { 820 switch (oid) { 821 case OID_GEN_CURRENT_PACKET_FILTER: 822 s->filter = le32_to_cpup((le32 *) inbuf); 823 if (s->filter) { 824 s->rndis_state = RNDIS_DATA_INITIALIZED; 825 } else { 826 s->rndis_state = RNDIS_INITIALIZED; 827 } 828 return 0; 829 830 case OID_802_3_MULTICAST_LIST: 831 return 0; 832 } 833 return -1; 834 } 835 836 static int rndis_get_response(USBNetState *s, uint8_t *buf) 837 { 838 int ret = 0; 839 struct rndis_response *r = s->rndis_resp.tqh_first; 840 841 if (!r) 842 return ret; 843 844 QTAILQ_REMOVE(&s->rndis_resp, r, entries); 845 ret = r->length; 846 memcpy(buf, r->buf, r->length); 847 g_free(r); 848 849 return ret; 850 } 851 852 static void *rndis_queue_response(USBNetState *s, unsigned int length) 853 { 854 struct rndis_response *r = 855 g_malloc0(sizeof(struct rndis_response) + length); 856 857 if (QTAILQ_EMPTY(&s->rndis_resp)) { 858 usb_wakeup(s->intr, 0); 859 } 860 861 QTAILQ_INSERT_TAIL(&s->rndis_resp, r, entries); 862 r->length = length; 863 864 return &r->buf[0]; 865 } 866 867 static void rndis_clear_responsequeue(USBNetState *s) 868 { 869 struct rndis_response *r; 870 871 while ((r = s->rndis_resp.tqh_first)) { 872 QTAILQ_REMOVE(&s->rndis_resp, r, entries); 873 g_free(r); 874 } 875 } 876 877 static int rndis_init_response(USBNetState *s, rndis_init_msg_type *buf) 878 { 879 rndis_init_cmplt_type *resp = 880 rndis_queue_response(s, sizeof(rndis_init_cmplt_type)); 881 882 if (!resp) 883 return USB_RET_STALL; 884 885 resp->MessageType = cpu_to_le32(RNDIS_INITIALIZE_CMPLT); 886 resp->MessageLength = cpu_to_le32(sizeof(rndis_init_cmplt_type)); 887 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ 888 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); 889 resp->MajorVersion = cpu_to_le32(RNDIS_MAJOR_VERSION); 890 resp->MinorVersion = cpu_to_le32(RNDIS_MINOR_VERSION); 891 resp->DeviceFlags = cpu_to_le32(RNDIS_DF_CONNECTIONLESS); 892 resp->Medium = cpu_to_le32(RNDIS_MEDIUM_802_3); 893 resp->MaxPacketsPerTransfer = cpu_to_le32(1); 894 resp->MaxTransferSize = cpu_to_le32(ETH_FRAME_LEN + 895 sizeof(struct rndis_packet_msg_type) + 22); 896 resp->PacketAlignmentFactor = cpu_to_le32(0); 897 resp->AFListOffset = cpu_to_le32(0); 898 resp->AFListSize = cpu_to_le32(0); 899 return 0; 900 } 901 902 static int rndis_query_response(USBNetState *s, 903 rndis_query_msg_type *buf, unsigned int length) 904 { 905 rndis_query_cmplt_type *resp; 906 /* oid_supported_list is the largest data reply */ 907 uint8_t infobuf[sizeof(oid_supported_list)]; 908 uint32_t bufoffs, buflen; 909 int infobuflen; 910 unsigned int resplen; 911 912 bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8; 913 buflen = le32_to_cpu(buf->InformationBufferLength); 914 if (bufoffs + buflen > length) 915 return USB_RET_STALL; 916 917 infobuflen = ndis_query(s, le32_to_cpu(buf->OID), 918 bufoffs + (uint8_t *) buf, buflen, infobuf, 919 sizeof(infobuf)); 920 resplen = sizeof(rndis_query_cmplt_type) + 921 ((infobuflen < 0) ? 0 : infobuflen); 922 resp = rndis_queue_response(s, resplen); 923 if (!resp) 924 return USB_RET_STALL; 925 926 resp->MessageType = cpu_to_le32(RNDIS_QUERY_CMPLT); 927 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ 928 resp->MessageLength = cpu_to_le32(resplen); 929 930 if (infobuflen < 0) { 931 /* OID not supported */ 932 resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED); 933 resp->InformationBufferLength = cpu_to_le32(0); 934 resp->InformationBufferOffset = cpu_to_le32(0); 935 return 0; 936 } 937 938 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); 939 resp->InformationBufferOffset = 940 cpu_to_le32(infobuflen ? sizeof(rndis_query_cmplt_type) - 8 : 0); 941 resp->InformationBufferLength = cpu_to_le32(infobuflen); 942 memcpy(resp + 1, infobuf, infobuflen); 943 944 return 0; 945 } 946 947 static int rndis_set_response(USBNetState *s, 948 rndis_set_msg_type *buf, unsigned int length) 949 { 950 rndis_set_cmplt_type *resp = 951 rndis_queue_response(s, sizeof(rndis_set_cmplt_type)); 952 uint32_t bufoffs, buflen; 953 int ret; 954 955 if (!resp) 956 return USB_RET_STALL; 957 958 bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8; 959 buflen = le32_to_cpu(buf->InformationBufferLength); 960 if (bufoffs + buflen > length) 961 return USB_RET_STALL; 962 963 ret = ndis_set(s, le32_to_cpu(buf->OID), 964 bufoffs + (uint8_t *) buf, buflen); 965 resp->MessageType = cpu_to_le32(RNDIS_SET_CMPLT); 966 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ 967 resp->MessageLength = cpu_to_le32(sizeof(rndis_set_cmplt_type)); 968 if (ret < 0) { 969 /* OID not supported */ 970 resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED); 971 return 0; 972 } 973 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); 974 975 return 0; 976 } 977 978 static int rndis_reset_response(USBNetState *s, rndis_reset_msg_type *buf) 979 { 980 rndis_reset_cmplt_type *resp = 981 rndis_queue_response(s, sizeof(rndis_reset_cmplt_type)); 982 983 if (!resp) 984 return USB_RET_STALL; 985 986 resp->MessageType = cpu_to_le32(RNDIS_RESET_CMPLT); 987 resp->MessageLength = cpu_to_le32(sizeof(rndis_reset_cmplt_type)); 988 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); 989 resp->AddressingReset = cpu_to_le32(1); /* reset information */ 990 991 return 0; 992 } 993 994 static int rndis_keepalive_response(USBNetState *s, 995 rndis_keepalive_msg_type *buf) 996 { 997 rndis_keepalive_cmplt_type *resp = 998 rndis_queue_response(s, sizeof(rndis_keepalive_cmplt_type)); 999 1000 if (!resp) 1001 return USB_RET_STALL; 1002 1003 resp->MessageType = cpu_to_le32(RNDIS_KEEPALIVE_CMPLT); 1004 resp->MessageLength = cpu_to_le32(sizeof(rndis_keepalive_cmplt_type)); 1005 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ 1006 resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); 1007 1008 return 0; 1009 } 1010 1011 /* Prepare to receive the next packet */ 1012 static void usb_net_reset_in_buf(USBNetState *s) 1013 { 1014 s->in_ptr = s->in_len = 0; 1015 qemu_flush_queued_packets(qemu_get_queue(s->nic)); 1016 } 1017 1018 static int rndis_parse(USBNetState *s, uint8_t *data, int length) 1019 { 1020 uint32_t msg_type; 1021 le32 *tmp = (le32 *) data; 1022 1023 msg_type = le32_to_cpup(tmp); 1024 1025 switch (msg_type) { 1026 case RNDIS_INITIALIZE_MSG: 1027 s->rndis_state = RNDIS_INITIALIZED; 1028 return rndis_init_response(s, (rndis_init_msg_type *) data); 1029 1030 case RNDIS_HALT_MSG: 1031 s->rndis_state = RNDIS_UNINITIALIZED; 1032 return 0; 1033 1034 case RNDIS_QUERY_MSG: 1035 return rndis_query_response(s, (rndis_query_msg_type *) data, length); 1036 1037 case RNDIS_SET_MSG: 1038 return rndis_set_response(s, (rndis_set_msg_type *) data, length); 1039 1040 case RNDIS_RESET_MSG: 1041 rndis_clear_responsequeue(s); 1042 s->out_ptr = 0; 1043 usb_net_reset_in_buf(s); 1044 return rndis_reset_response(s, (rndis_reset_msg_type *) data); 1045 1046 case RNDIS_KEEPALIVE_MSG: 1047 /* For USB: host does this every 5 seconds */ 1048 return rndis_keepalive_response(s, (rndis_keepalive_msg_type *) data); 1049 } 1050 1051 return USB_RET_STALL; 1052 } 1053 1054 static void usb_net_handle_reset(USBDevice *dev) 1055 { 1056 } 1057 1058 static void usb_net_handle_control(USBDevice *dev, USBPacket *p, 1059 int request, int value, int index, int length, uint8_t *data) 1060 { 1061 USBNetState *s = (USBNetState *) dev; 1062 int ret; 1063 1064 ret = usb_desc_handle_control(dev, p, request, value, index, length, data); 1065 if (ret >= 0) { 1066 return; 1067 } 1068 1069 switch(request) { 1070 case ClassInterfaceOutRequest | USB_CDC_SEND_ENCAPSULATED_COMMAND: 1071 if (!is_rndis(s) || value || index != 0) { 1072 goto fail; 1073 } 1074 #ifdef TRAFFIC_DEBUG 1075 { 1076 unsigned int i; 1077 fprintf(stderr, "SEND_ENCAPSULATED_COMMAND:"); 1078 for (i = 0; i < length; i++) { 1079 if (!(i & 15)) 1080 fprintf(stderr, "\n%04x:", i); 1081 fprintf(stderr, " %02x", data[i]); 1082 } 1083 fprintf(stderr, "\n\n"); 1084 } 1085 #endif 1086 ret = rndis_parse(s, data, length); 1087 if (ret < 0) { 1088 p->status = ret; 1089 } 1090 break; 1091 1092 case ClassInterfaceRequest | USB_CDC_GET_ENCAPSULATED_RESPONSE: 1093 if (!is_rndis(s) || value || index != 0) { 1094 goto fail; 1095 } 1096 p->actual_length = rndis_get_response(s, data); 1097 if (p->actual_length == 0) { 1098 data[0] = 0; 1099 p->actual_length = 1; 1100 } 1101 #ifdef TRAFFIC_DEBUG 1102 { 1103 unsigned int i; 1104 fprintf(stderr, "GET_ENCAPSULATED_RESPONSE:"); 1105 for (i = 0; i < p->actual_length; i++) { 1106 if (!(i & 15)) 1107 fprintf(stderr, "\n%04x:", i); 1108 fprintf(stderr, " %02x", data[i]); 1109 } 1110 fprintf(stderr, "\n\n"); 1111 } 1112 #endif 1113 break; 1114 1115 default: 1116 fail: 1117 fprintf(stderr, "usbnet: failed control transaction: " 1118 "request 0x%x value 0x%x index 0x%x length 0x%x\n", 1119 request, value, index, length); 1120 p->status = USB_RET_STALL; 1121 break; 1122 } 1123 } 1124 1125 static void usb_net_handle_statusin(USBNetState *s, USBPacket *p) 1126 { 1127 le32 buf[2]; 1128 1129 if (p->iov.size < 8) { 1130 p->status = USB_RET_STALL; 1131 return; 1132 } 1133 1134 buf[0] = cpu_to_le32(1); 1135 buf[1] = cpu_to_le32(0); 1136 usb_packet_copy(p, buf, 8); 1137 if (!s->rndis_resp.tqh_first) { 1138 p->status = USB_RET_NAK; 1139 } 1140 1141 #ifdef TRAFFIC_DEBUG 1142 fprintf(stderr, "usbnet: interrupt poll len %zu return %d", 1143 p->iov.size, p->status); 1144 iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", p->status); 1145 #endif 1146 } 1147 1148 static void usb_net_handle_datain(USBNetState *s, USBPacket *p) 1149 { 1150 int len; 1151 1152 if (s->in_ptr > s->in_len) { 1153 usb_net_reset_in_buf(s); 1154 p->status = USB_RET_NAK; 1155 return; 1156 } 1157 if (!s->in_len) { 1158 p->status = USB_RET_NAK; 1159 return; 1160 } 1161 len = s->in_len - s->in_ptr; 1162 if (len > p->iov.size) { 1163 len = p->iov.size; 1164 } 1165 usb_packet_copy(p, &s->in_buf[s->in_ptr], len); 1166 s->in_ptr += len; 1167 if (s->in_ptr >= s->in_len && 1168 (is_rndis(s) || (s->in_len & (64 - 1)) || !len)) { 1169 /* no short packet necessary */ 1170 usb_net_reset_in_buf(s); 1171 } 1172 1173 #ifdef TRAFFIC_DEBUG 1174 fprintf(stderr, "usbnet: data in len %zu return %d", p->iov.size, len); 1175 iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", len); 1176 #endif 1177 } 1178 1179 static void usb_net_handle_dataout(USBNetState *s, USBPacket *p) 1180 { 1181 int sz = sizeof(s->out_buf) - s->out_ptr; 1182 struct rndis_packet_msg_type *msg = 1183 (struct rndis_packet_msg_type *) s->out_buf; 1184 uint32_t len; 1185 1186 #ifdef TRAFFIC_DEBUG 1187 fprintf(stderr, "usbnet: data out len %zu\n", p->iov.size); 1188 iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", p->iov.size); 1189 #endif 1190 1191 if (sz > p->iov.size) { 1192 sz = p->iov.size; 1193 } 1194 usb_packet_copy(p, &s->out_buf[s->out_ptr], sz); 1195 s->out_ptr += sz; 1196 1197 if (!is_rndis(s)) { 1198 if (p->iov.size < 64) { 1199 qemu_send_packet(qemu_get_queue(s->nic), s->out_buf, s->out_ptr); 1200 s->out_ptr = 0; 1201 } 1202 return; 1203 } 1204 len = le32_to_cpu(msg->MessageLength); 1205 if (s->out_ptr < 8 || s->out_ptr < len) { 1206 return; 1207 } 1208 if (le32_to_cpu(msg->MessageType) == RNDIS_PACKET_MSG) { 1209 uint32_t offs = 8 + le32_to_cpu(msg->DataOffset); 1210 uint32_t size = le32_to_cpu(msg->DataLength); 1211 if (offs + size <= len) 1212 qemu_send_packet(qemu_get_queue(s->nic), s->out_buf + offs, size); 1213 } 1214 s->out_ptr -= len; 1215 memmove(s->out_buf, &s->out_buf[len], s->out_ptr); 1216 } 1217 1218 static void usb_net_handle_data(USBDevice *dev, USBPacket *p) 1219 { 1220 USBNetState *s = (USBNetState *) dev; 1221 1222 switch(p->pid) { 1223 case USB_TOKEN_IN: 1224 switch (p->ep->nr) { 1225 case 1: 1226 usb_net_handle_statusin(s, p); 1227 break; 1228 1229 case 2: 1230 usb_net_handle_datain(s, p); 1231 break; 1232 1233 default: 1234 goto fail; 1235 } 1236 break; 1237 1238 case USB_TOKEN_OUT: 1239 switch (p->ep->nr) { 1240 case 2: 1241 usb_net_handle_dataout(s, p); 1242 break; 1243 1244 default: 1245 goto fail; 1246 } 1247 break; 1248 1249 default: 1250 fail: 1251 p->status = USB_RET_STALL; 1252 break; 1253 } 1254 1255 if (p->status == USB_RET_STALL) { 1256 fprintf(stderr, "usbnet: failed data transaction: " 1257 "pid 0x%x ep 0x%x len 0x%zx\n", 1258 p->pid, p->ep->nr, p->iov.size); 1259 } 1260 } 1261 1262 static ssize_t usbnet_receive(NetClientState *nc, const uint8_t *buf, size_t size) 1263 { 1264 USBNetState *s = qemu_get_nic_opaque(nc); 1265 uint8_t *in_buf = s->in_buf; 1266 size_t total_size = size; 1267 1268 if (is_rndis(s)) { 1269 if (s->rndis_state != RNDIS_DATA_INITIALIZED) { 1270 return -1; 1271 } 1272 total_size += sizeof(struct rndis_packet_msg_type); 1273 } 1274 if (total_size > sizeof(s->in_buf)) { 1275 return -1; 1276 } 1277 1278 /* Only accept packet if input buffer is empty */ 1279 if (s->in_len > 0) { 1280 return 0; 1281 } 1282 1283 if (is_rndis(s)) { 1284 struct rndis_packet_msg_type *msg; 1285 1286 msg = (struct rndis_packet_msg_type *)in_buf; 1287 memset(msg, 0, sizeof(struct rndis_packet_msg_type)); 1288 msg->MessageType = cpu_to_le32(RNDIS_PACKET_MSG); 1289 msg->MessageLength = cpu_to_le32(size + sizeof(*msg)); 1290 msg->DataOffset = cpu_to_le32(sizeof(*msg) - 8); 1291 msg->DataLength = cpu_to_le32(size); 1292 /* msg->OOBDataOffset; 1293 * msg->OOBDataLength; 1294 * msg->NumOOBDataElements; 1295 * msg->PerPacketInfoOffset; 1296 * msg->PerPacketInfoLength; 1297 * msg->VcHandle; 1298 * msg->Reserved; 1299 */ 1300 in_buf += sizeof(*msg); 1301 } 1302 1303 memcpy(in_buf, buf, size); 1304 s->in_len = total_size; 1305 s->in_ptr = 0; 1306 return size; 1307 } 1308 1309 static int usbnet_can_receive(NetClientState *nc) 1310 { 1311 USBNetState *s = qemu_get_nic_opaque(nc); 1312 1313 if (is_rndis(s) && s->rndis_state != RNDIS_DATA_INITIALIZED) { 1314 return 1; 1315 } 1316 1317 return !s->in_len; 1318 } 1319 1320 static void usbnet_cleanup(NetClientState *nc) 1321 { 1322 USBNetState *s = qemu_get_nic_opaque(nc); 1323 1324 s->nic = NULL; 1325 } 1326 1327 static void usb_net_handle_destroy(USBDevice *dev) 1328 { 1329 USBNetState *s = (USBNetState *) dev; 1330 1331 /* TODO: remove the nd_table[] entry */ 1332 rndis_clear_responsequeue(s); 1333 qemu_del_nic(s->nic); 1334 } 1335 1336 static NetClientInfo net_usbnet_info = { 1337 .type = NET_CLIENT_OPTIONS_KIND_NIC, 1338 .size = sizeof(NICState), 1339 .can_receive = usbnet_can_receive, 1340 .receive = usbnet_receive, 1341 .cleanup = usbnet_cleanup, 1342 }; 1343 1344 static int usb_net_initfn(USBDevice *dev) 1345 { 1346 USBNetState *s = DO_UPCAST(USBNetState, dev, dev); 1347 1348 usb_desc_create_serial(dev); 1349 usb_desc_init(dev); 1350 1351 s->rndis_state = RNDIS_UNINITIALIZED; 1352 QTAILQ_INIT(&s->rndis_resp); 1353 1354 s->medium = 0; /* NDIS_MEDIUM_802_3 */ 1355 s->speed = 1000000; /* 100MBps, in 100Bps units */ 1356 s->media_state = 0; /* NDIS_MEDIA_STATE_CONNECTED */; 1357 s->filter = 0; 1358 s->vendorid = 0x1234; 1359 s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1); 1360 1361 qemu_macaddr_default_if_unset(&s->conf.macaddr); 1362 s->nic = qemu_new_nic(&net_usbnet_info, &s->conf, 1363 object_get_typename(OBJECT(s)), s->dev.qdev.id, s); 1364 qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a); 1365 snprintf(s->usbstring_mac, sizeof(s->usbstring_mac), 1366 "%02x%02x%02x%02x%02x%02x", 1367 0x40, 1368 s->conf.macaddr.a[1], 1369 s->conf.macaddr.a[2], 1370 s->conf.macaddr.a[3], 1371 s->conf.macaddr.a[4], 1372 s->conf.macaddr.a[5]); 1373 usb_desc_set_string(dev, STRING_ETHADDR, s->usbstring_mac); 1374 1375 add_boot_device_path(s->conf.bootindex, &dev->qdev, "/ethernet@0"); 1376 return 0; 1377 } 1378 1379 static USBDevice *usb_net_init(USBBus *bus, const char *cmdline) 1380 { 1381 Error *local_err = NULL; 1382 USBDevice *dev; 1383 QemuOpts *opts; 1384 int idx; 1385 1386 opts = qemu_opts_parse(qemu_find_opts("net"), cmdline, 0); 1387 if (!opts) { 1388 return NULL; 1389 } 1390 qemu_opt_set(opts, "type", "nic"); 1391 qemu_opt_set(opts, "model", "usb"); 1392 1393 idx = net_client_init(opts, 0, &local_err); 1394 if (error_is_set(&local_err)) { 1395 qerror_report_err(local_err); 1396 error_free(local_err); 1397 return NULL; 1398 } 1399 1400 dev = usb_create(bus, "usb-net"); 1401 if (!dev) { 1402 return NULL; 1403 } 1404 qdev_set_nic_properties(&dev->qdev, &nd_table[idx]); 1405 qdev_init_nofail(&dev->qdev); 1406 return dev; 1407 } 1408 1409 static const VMStateDescription vmstate_usb_net = { 1410 .name = "usb-net", 1411 .unmigratable = 1, 1412 }; 1413 1414 static Property net_properties[] = { 1415 DEFINE_NIC_PROPERTIES(USBNetState, conf), 1416 DEFINE_PROP_END_OF_LIST(), 1417 }; 1418 1419 static void usb_net_class_initfn(ObjectClass *klass, void *data) 1420 { 1421 DeviceClass *dc = DEVICE_CLASS(klass); 1422 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 1423 1424 uc->init = usb_net_initfn; 1425 uc->product_desc = "QEMU USB Network Interface"; 1426 uc->usb_desc = &desc_net; 1427 uc->handle_reset = usb_net_handle_reset; 1428 uc->handle_control = usb_net_handle_control; 1429 uc->handle_data = usb_net_handle_data; 1430 uc->handle_destroy = usb_net_handle_destroy; 1431 set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); 1432 dc->fw_name = "network"; 1433 dc->vmsd = &vmstate_usb_net; 1434 dc->props = net_properties; 1435 } 1436 1437 static const TypeInfo net_info = { 1438 .name = "usb-net", 1439 .parent = TYPE_USB_DEVICE, 1440 .instance_size = sizeof(USBNetState), 1441 .class_init = usb_net_class_initfn, 1442 }; 1443 1444 static void usb_net_register_types(void) 1445 { 1446 type_register_static(&net_info); 1447 usb_legacy_register("usb-net", "net", usb_net_init); 1448 } 1449 1450 type_init(usb_net_register_types) 1451