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1.1 ! root 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 "usb.h" ! 28: #include "net.h" ! 29: #include "sys-queue.h" ! 30: ! 31: /*#define TRAFFIC_DEBUG*/ ! 32: /* Thanks to NetChip Technologies for donating this product ID. ! 33: * It's for devices with only CDC Ethernet configurations. ! 34: */ ! 35: #define CDC_VENDOR_NUM 0x0525 /* NetChip */ ! 36: #define CDC_PRODUCT_NUM 0xa4a1 /* Linux-USB Ethernet Gadget */ ! 37: /* For hardware that can talk RNDIS and either of the above protocols, ! 38: * use this ID ... the windows INF files will know it. ! 39: */ ! 40: #define RNDIS_VENDOR_NUM 0x0525 /* NetChip */ ! 41: #define RNDIS_PRODUCT_NUM 0xa4a2 /* Ethernet/RNDIS Gadget */ ! 42: ! 43: enum usbstring_idx { ! 44: STRING_MANUFACTURER = 1, ! 45: STRING_PRODUCT, ! 46: STRING_ETHADDR, ! 47: STRING_DATA, ! 48: STRING_CONTROL, ! 49: STRING_RNDIS_CONTROL, ! 50: STRING_CDC, ! 51: STRING_SUBSET, ! 52: STRING_RNDIS, ! 53: STRING_SERIALNUMBER, ! 54: }; ! 55: ! 56: #define DEV_CONFIG_VALUE 1 /* CDC or a subset */ ! 57: #define DEV_RNDIS_CONFIG_VALUE 2 /* RNDIS; optional */ ! 58: ! 59: #define USB_CDC_SUBCLASS_ACM 0x02 ! 60: #define USB_CDC_SUBCLASS_ETHERNET 0x06 ! 61: ! 62: #define USB_CDC_PROTO_NONE 0 ! 63: #define USB_CDC_ACM_PROTO_VENDOR 0xff ! 64: ! 65: #define USB_CDC_HEADER_TYPE 0x00 /* header_desc */ ! 66: #define USB_CDC_CALL_MANAGEMENT_TYPE 0x01 /* call_mgmt_descriptor */ ! 67: #define USB_CDC_ACM_TYPE 0x02 /* acm_descriptor */ ! 68: #define USB_CDC_UNION_TYPE 0x06 /* union_desc */ ! 69: #define USB_CDC_ETHERNET_TYPE 0x0f /* ether_desc */ ! 70: ! 71: #define USB_DT_CS_INTERFACE 0x24 ! 72: #define USB_DT_CS_ENDPOINT 0x25 ! 73: ! 74: #define ClassInterfaceRequest \ ! 75: ((USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8) ! 76: #define ClassInterfaceOutRequest \ ! 77: ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8) ! 78: ! 79: #define USB_CDC_SEND_ENCAPSULATED_COMMAND 0x00 ! 80: #define USB_CDC_GET_ENCAPSULATED_RESPONSE 0x01 ! 81: #define USB_CDC_REQ_SET_LINE_CODING 0x20 ! 82: #define USB_CDC_REQ_GET_LINE_CODING 0x21 ! 83: #define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22 ! 84: #define USB_CDC_REQ_SEND_BREAK 0x23 ! 85: #define USB_CDC_SET_ETHERNET_MULTICAST_FILTERS 0x40 ! 86: #define USB_CDC_SET_ETHERNET_PM_PATTERN_FILTER 0x41 ! 87: #define USB_CDC_GET_ETHERNET_PM_PATTERN_FILTER 0x42 ! 88: #define USB_CDC_SET_ETHERNET_PACKET_FILTER 0x43 ! 89: #define USB_CDC_GET_ETHERNET_STATISTIC 0x44 ! 90: ! 91: #define LOG2_STATUS_INTERVAL_MSEC 5 /* 1 << 5 == 32 msec */ ! 92: #define STATUS_BYTECOUNT 16 /* 8 byte header + data */ ! 93: ! 94: #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */ ! 95: ! 96: /* ! 97: * mostly the same descriptor as the linux gadget rndis driver ! 98: */ ! 99: static const uint8_t qemu_net_dev_descriptor[] = { ! 100: 0x12, /* u8 bLength; */ ! 101: USB_DT_DEVICE, /* u8 bDescriptorType; Device */ ! 102: 0x00, 0x02, /* u16 bcdUSB; v2.0 */ ! 103: USB_CLASS_COMM, /* u8 bDeviceClass; */ ! 104: 0x00, /* u8 bDeviceSubClass; */ ! 105: 0x00, /* u8 bDeviceProtocol; [ low/full only ] */ ! 106: 0x40, /* u8 bMaxPacketSize0 */ ! 107: RNDIS_VENDOR_NUM & 0xff, RNDIS_VENDOR_NUM >> 8, /* u16 idVendor; */ ! 108: RNDIS_PRODUCT_NUM & 0xff, RNDIS_PRODUCT_NUM >> 8, /* u16 idProduct; */ ! 109: 0x00, 0x00, /* u16 bcdDevice */ ! 110: STRING_MANUFACTURER, /* u8 iManufacturer; */ ! 111: STRING_PRODUCT, /* u8 iProduct; */ ! 112: STRING_SERIALNUMBER, /* u8 iSerialNumber; */ ! 113: 0x02, /* u8 bNumConfigurations; */ ! 114: }; ! 115: ! 116: static const uint8_t qemu_net_rndis_config_descriptor[] = { ! 117: /* Configuration Descriptor */ ! 118: 0x09, /* u8 bLength */ ! 119: USB_DT_CONFIG, /* u8 bDescriptorType */ ! 120: 0x43, 0x00, /* le16 wTotalLength */ ! 121: 0x02, /* u8 bNumInterfaces */ ! 122: DEV_RNDIS_CONFIG_VALUE, /* u8 bConfigurationValue */ ! 123: STRING_RNDIS, /* u8 iConfiguration */ ! 124: 0xc0, /* u8 bmAttributes */ ! 125: 0x32, /* u8 bMaxPower */ ! 126: /* RNDIS Control Interface */ ! 127: 0x09, /* u8 bLength */ ! 128: USB_DT_INTERFACE, /* u8 bDescriptorType */ ! 129: 0x00, /* u8 bInterfaceNumber */ ! 130: 0x00, /* u8 bAlternateSetting */ ! 131: 0x01, /* u8 bNumEndpoints */ ! 132: USB_CLASS_COMM, /* u8 bInterfaceClass */ ! 133: USB_CDC_SUBCLASS_ACM, /* u8 bInterfaceSubClass */ ! 134: USB_CDC_ACM_PROTO_VENDOR, /* u8 bInterfaceProtocol */ ! 135: STRING_RNDIS_CONTROL, /* u8 iInterface */ ! 136: /* Header Descriptor */ ! 137: 0x05, /* u8 bLength */ ! 138: USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ ! 139: USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */ ! 140: 0x10, 0x01, /* le16 bcdCDC */ ! 141: /* Call Management Descriptor */ ! 142: 0x05, /* u8 bLength */ ! 143: USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ ! 144: USB_CDC_CALL_MANAGEMENT_TYPE, /* u8 bDescriptorSubType */ ! 145: 0x00, /* u8 bmCapabilities */ ! 146: 0x01, /* u8 bDataInterface */ ! 147: /* ACM Descriptor */ ! 148: 0x04, /* u8 bLength */ ! 149: USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ ! 150: USB_CDC_ACM_TYPE, /* u8 bDescriptorSubType */ ! 151: 0x00, /* u8 bmCapabilities */ ! 152: /* Union Descriptor */ ! 153: 0x05, /* u8 bLength */ ! 154: USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ ! 155: USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */ ! 156: 0x00, /* u8 bMasterInterface0 */ ! 157: 0x01, /* u8 bSlaveInterface0 */ ! 158: /* Status Descriptor */ ! 159: 0x07, /* u8 bLength */ ! 160: USB_DT_ENDPOINT, /* u8 bDescriptorType */ ! 161: USB_DIR_IN | 1, /* u8 bEndpointAddress */ ! 162: USB_ENDPOINT_XFER_INT, /* u8 bmAttributes */ ! 163: STATUS_BYTECOUNT & 0xff, STATUS_BYTECOUNT >> 8, /* le16 wMaxPacketSize */ ! 164: 1 << LOG2_STATUS_INTERVAL_MSEC, /* u8 bInterval */ ! 165: /* RNDIS Data Interface */ ! 166: 0x09, /* u8 bLength */ ! 167: USB_DT_INTERFACE, /* u8 bDescriptorType */ ! 168: 0x01, /* u8 bInterfaceNumber */ ! 169: 0x00, /* u8 bAlternateSetting */ ! 170: 0x02, /* u8 bNumEndpoints */ ! 171: USB_CLASS_CDC_DATA, /* u8 bInterfaceClass */ ! 172: 0x00, /* u8 bInterfaceSubClass */ ! 173: 0x00, /* u8 bInterfaceProtocol */ ! 174: STRING_DATA, /* u8 iInterface */ ! 175: /* Source Endpoint */ ! 176: 0x07, /* u8 bLength */ ! 177: USB_DT_ENDPOINT, /* u8 bDescriptorType */ ! 178: USB_DIR_IN | 2, /* u8 bEndpointAddress */ ! 179: USB_ENDPOINT_XFER_BULK, /* u8 bmAttributes */ ! 180: 0x40, 0x00, /* le16 wMaxPacketSize */ ! 181: 0x00, /* u8 bInterval */ ! 182: /* Sink Endpoint */ ! 183: 0x07, /* u8 bLength */ ! 184: USB_DT_ENDPOINT, /* u8 bDescriptorType */ ! 185: USB_DIR_OUT | 2, /* u8 bEndpointAddress */ ! 186: USB_ENDPOINT_XFER_BULK, /* u8 bmAttributes */ ! 187: 0x40, 0x00, /* le16 wMaxPacketSize */ ! 188: 0x00 /* u8 bInterval */ ! 189: }; ! 190: ! 191: static const uint8_t qemu_net_cdc_config_descriptor[] = { ! 192: /* Configuration Descriptor */ ! 193: 0x09, /* u8 bLength */ ! 194: USB_DT_CONFIG, /* u8 bDescriptorType */ ! 195: 0x50, 0x00, /* le16 wTotalLength */ ! 196: 0x02, /* u8 bNumInterfaces */ ! 197: DEV_CONFIG_VALUE, /* u8 bConfigurationValue */ ! 198: STRING_CDC, /* u8 iConfiguration */ ! 199: 0xc0, /* u8 bmAttributes */ ! 200: 0x32, /* u8 bMaxPower */ ! 201: /* CDC Control Interface */ ! 202: 0x09, /* u8 bLength */ ! 203: USB_DT_INTERFACE, /* u8 bDescriptorType */ ! 204: 0x00, /* u8 bInterfaceNumber */ ! 205: 0x00, /* u8 bAlternateSetting */ ! 206: 0x01, /* u8 bNumEndpoints */ ! 207: USB_CLASS_COMM, /* u8 bInterfaceClass */ ! 208: USB_CDC_SUBCLASS_ETHERNET, /* u8 bInterfaceSubClass */ ! 209: USB_CDC_PROTO_NONE, /* u8 bInterfaceProtocol */ ! 210: STRING_CONTROL, /* u8 iInterface */ ! 211: /* Header Descriptor */ ! 212: 0x05, /* u8 bLength */ ! 213: USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ ! 214: USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */ ! 215: 0x10, 0x01, /* le16 bcdCDC */ ! 216: /* Union Descriptor */ ! 217: 0x05, /* u8 bLength */ ! 218: USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ ! 219: USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */ ! 220: 0x00, /* u8 bMasterInterface0 */ ! 221: 0x01, /* u8 bSlaveInterface0 */ ! 222: /* Ethernet Descriptor */ ! 223: 0x0d, /* u8 bLength */ ! 224: USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ ! 225: USB_CDC_ETHERNET_TYPE, /* u8 bDescriptorSubType */ ! 226: STRING_ETHADDR, /* u8 iMACAddress */ ! 227: 0x00, 0x00, 0x00, 0x00, /* le32 bmEthernetStatistics */ ! 228: ETH_FRAME_LEN & 0xff, ETH_FRAME_LEN >> 8, /* le16 wMaxSegmentSize */ ! 229: 0x00, 0x00, /* le16 wNumberMCFilters */ ! 230: 0x00, /* u8 bNumberPowerFilters */ ! 231: /* Status Descriptor */ ! 232: 0x07, /* u8 bLength */ ! 233: USB_DT_ENDPOINT, /* u8 bDescriptorType */ ! 234: USB_DIR_IN | 1, /* u8 bEndpointAddress */ ! 235: USB_ENDPOINT_XFER_INT, /* u8 bmAttributes */ ! 236: STATUS_BYTECOUNT & 0xff, STATUS_BYTECOUNT >> 8, /* le16 wMaxPacketSize */ ! 237: 1 << LOG2_STATUS_INTERVAL_MSEC, /* u8 bInterval */ ! 238: /* CDC Data (nop) Interface */ ! 239: 0x09, /* u8 bLength */ ! 240: USB_DT_INTERFACE, /* u8 bDescriptorType */ ! 241: 0x01, /* u8 bInterfaceNumber */ ! 242: 0x00, /* u8 bAlternateSetting */ ! 243: 0x00, /* u8 bNumEndpoints */ ! 244: USB_CLASS_CDC_DATA, /* u8 bInterfaceClass */ ! 245: 0x00, /* u8 bInterfaceSubClass */ ! 246: 0x00, /* u8 bInterfaceProtocol */ ! 247: 0x00, /* u8 iInterface */ ! 248: /* CDC Data Interface */ ! 249: 0x09, /* u8 bLength */ ! 250: USB_DT_INTERFACE, /* u8 bDescriptorType */ ! 251: 0x01, /* u8 bInterfaceNumber */ ! 252: 0x01, /* u8 bAlternateSetting */ ! 253: 0x02, /* u8 bNumEndpoints */ ! 254: USB_CLASS_CDC_DATA, /* u8 bInterfaceClass */ ! 255: 0x00, /* u8 bInterfaceSubClass */ ! 256: 0x00, /* u8 bInterfaceProtocol */ ! 257: STRING_DATA, /* u8 iInterface */ ! 258: /* Source Endpoint */ ! 259: 0x07, /* u8 bLength */ ! 260: USB_DT_ENDPOINT, /* u8 bDescriptorType */ ! 261: USB_DIR_IN | 2, /* u8 bEndpointAddress */ ! 262: USB_ENDPOINT_XFER_BULK, /* u8 bmAttributes */ ! 263: 0x40, 0x00, /* le16 wMaxPacketSize */ ! 264: 0x00, /* u8 bInterval */ ! 265: /* Sink Endpoint */ ! 266: 0x07, /* u8 bLength */ ! 267: USB_DT_ENDPOINT, /* u8 bDescriptorType */ ! 268: USB_DIR_OUT | 2, /* u8 bEndpointAddress */ ! 269: USB_ENDPOINT_XFER_BULK, /* u8 bmAttributes */ ! 270: 0x40, 0x00, /* le16 wMaxPacketSize */ ! 271: 0x00 /* u8 bInterval */ ! 272: }; ! 273: ! 274: /* ! 275: * RNDIS Definitions - in theory not specific to USB. ! 276: */ ! 277: #define RNDIS_MAXIMUM_FRAME_SIZE 1518 ! 278: #define RNDIS_MAX_TOTAL_SIZE 1558 ! 279: ! 280: /* Remote NDIS Versions */ ! 281: #define RNDIS_MAJOR_VERSION 1 ! 282: #define RNDIS_MINOR_VERSION 0 ! 283: ! 284: /* Status Values */ ! 285: #define RNDIS_STATUS_SUCCESS 0x00000000U /* Success */ ! 286: #define RNDIS_STATUS_FAILURE 0xc0000001U /* Unspecified error */ ! 287: #define RNDIS_STATUS_INVALID_DATA 0xc0010015U /* Invalid data */ ! 288: #define RNDIS_STATUS_NOT_SUPPORTED 0xc00000bbU /* Unsupported request */ ! 289: #define RNDIS_STATUS_MEDIA_CONNECT 0x4001000bU /* Device connected */ ! 290: #define RNDIS_STATUS_MEDIA_DISCONNECT 0x4001000cU /* Device disconnected */ ! 291: ! 292: /* Message Set for Connectionless (802.3) Devices */ ! 293: enum { ! 294: RNDIS_PACKET_MSG = 1, ! 295: RNDIS_INITIALIZE_MSG = 2, /* Initialize device */ ! 296: RNDIS_HALT_MSG = 3, ! 297: RNDIS_QUERY_MSG = 4, ! 298: RNDIS_SET_MSG = 5, ! 299: RNDIS_RESET_MSG = 6, ! 300: RNDIS_INDICATE_STATUS_MSG = 7, ! 301: RNDIS_KEEPALIVE_MSG = 8, ! 302: }; ! 303: ! 304: /* Message completion */ ! 305: enum { ! 306: RNDIS_INITIALIZE_CMPLT = 0x80000002U, ! 307: RNDIS_QUERY_CMPLT = 0x80000004U, ! 308: RNDIS_SET_CMPLT = 0x80000005U, ! 309: RNDIS_RESET_CMPLT = 0x80000006U, ! 310: RNDIS_KEEPALIVE_CMPLT = 0x80000008U, ! 311: }; ! 312: ! 313: /* Device Flags */ ! 314: enum { ! 315: RNDIS_DF_CONNECTIONLESS = 1, ! 316: RNDIS_DF_CONNECTIONORIENTED = 2, ! 317: }; ! 318: ! 319: #define RNDIS_MEDIUM_802_3 0x00000000U ! 320: ! 321: /* from drivers/net/sk98lin/h/skgepnmi.h */ ! 322: #define OID_PNP_CAPABILITIES 0xfd010100 ! 323: #define OID_PNP_SET_POWER 0xfd010101 ! 324: #define OID_PNP_QUERY_POWER 0xfd010102 ! 325: #define OID_PNP_ADD_WAKE_UP_PATTERN 0xfd010103 ! 326: #define OID_PNP_REMOVE_WAKE_UP_PATTERN 0xfd010104 ! 327: #define OID_PNP_ENABLE_WAKE_UP 0xfd010106 ! 328: ! 329: typedef uint32_t le32; ! 330: ! 331: typedef struct rndis_init_msg_type { ! 332: le32 MessageType; ! 333: le32 MessageLength; ! 334: le32 RequestID; ! 335: le32 MajorVersion; ! 336: le32 MinorVersion; ! 337: le32 MaxTransferSize; ! 338: } rndis_init_msg_type; ! 339: ! 340: typedef struct rndis_init_cmplt_type { ! 341: le32 MessageType; ! 342: le32 MessageLength; ! 343: le32 RequestID; ! 344: le32 Status; ! 345: le32 MajorVersion; ! 346: le32 MinorVersion; ! 347: le32 DeviceFlags; ! 348: le32 Medium; ! 349: le32 MaxPacketsPerTransfer; ! 350: le32 MaxTransferSize; ! 351: le32 PacketAlignmentFactor; ! 352: le32 AFListOffset; ! 353: le32 AFListSize; ! 354: } rndis_init_cmplt_type; ! 355: ! 356: typedef struct rndis_halt_msg_type { ! 357: le32 MessageType; ! 358: le32 MessageLength; ! 359: le32 RequestID; ! 360: } rndis_halt_msg_type; ! 361: ! 362: typedef struct rndis_query_msg_type { ! 363: le32 MessageType; ! 364: le32 MessageLength; ! 365: le32 RequestID; ! 366: le32 OID; ! 367: le32 InformationBufferLength; ! 368: le32 InformationBufferOffset; ! 369: le32 DeviceVcHandle; ! 370: } rndis_query_msg_type; ! 371: ! 372: typedef struct rndis_query_cmplt_type { ! 373: le32 MessageType; ! 374: le32 MessageLength; ! 375: le32 RequestID; ! 376: le32 Status; ! 377: le32 InformationBufferLength; ! 378: le32 InformationBufferOffset; ! 379: } rndis_query_cmplt_type; ! 380: ! 381: typedef struct rndis_set_msg_type { ! 382: le32 MessageType; ! 383: le32 MessageLength; ! 384: le32 RequestID; ! 385: le32 OID; ! 386: le32 InformationBufferLength; ! 387: le32 InformationBufferOffset; ! 388: le32 DeviceVcHandle; ! 389: } rndis_set_msg_type; ! 390: ! 391: typedef struct rndis_set_cmplt_type { ! 392: le32 MessageType; ! 393: le32 MessageLength; ! 394: le32 RequestID; ! 395: le32 Status; ! 396: } rndis_set_cmplt_type; ! 397: ! 398: typedef struct rndis_reset_msg_type { ! 399: le32 MessageType; ! 400: le32 MessageLength; ! 401: le32 Reserved; ! 402: } rndis_reset_msg_type; ! 403: ! 404: typedef struct rndis_reset_cmplt_type { ! 405: le32 MessageType; ! 406: le32 MessageLength; ! 407: le32 Status; ! 408: le32 AddressingReset; ! 409: } rndis_reset_cmplt_type; ! 410: ! 411: typedef struct rndis_indicate_status_msg_type { ! 412: le32 MessageType; ! 413: le32 MessageLength; ! 414: le32 Status; ! 415: le32 StatusBufferLength; ! 416: le32 StatusBufferOffset; ! 417: } rndis_indicate_status_msg_type; ! 418: ! 419: typedef struct rndis_keepalive_msg_type { ! 420: le32 MessageType; ! 421: le32 MessageLength; ! 422: le32 RequestID; ! 423: } rndis_keepalive_msg_type; ! 424: ! 425: typedef struct rndis_keepalive_cmplt_type { ! 426: le32 MessageType; ! 427: le32 MessageLength; ! 428: le32 RequestID; ! 429: le32 Status; ! 430: } rndis_keepalive_cmplt_type; ! 431: ! 432: struct rndis_packet_msg_type { ! 433: le32 MessageType; ! 434: le32 MessageLength; ! 435: le32 DataOffset; ! 436: le32 DataLength; ! 437: le32 OOBDataOffset; ! 438: le32 OOBDataLength; ! 439: le32 NumOOBDataElements; ! 440: le32 PerPacketInfoOffset; ! 441: le32 PerPacketInfoLength; ! 442: le32 VcHandle; ! 443: le32 Reserved; ! 444: }; ! 445: ! 446: struct rndis_config_parameter { ! 447: le32 ParameterNameOffset; ! 448: le32 ParameterNameLength; ! 449: le32 ParameterType; ! 450: le32 ParameterValueOffset; ! 451: le32 ParameterValueLength; ! 452: }; ! 453: ! 454: /* implementation specific */ ! 455: enum rndis_state ! 456: { ! 457: RNDIS_UNINITIALIZED, ! 458: RNDIS_INITIALIZED, ! 459: RNDIS_DATA_INITIALIZED, ! 460: }; ! 461: ! 462: /* from ndis.h */ ! 463: enum ndis_oid { ! 464: /* Required Object IDs (OIDs) */ ! 465: OID_GEN_SUPPORTED_LIST = 0x00010101, ! 466: OID_GEN_HARDWARE_STATUS = 0x00010102, ! 467: OID_GEN_MEDIA_SUPPORTED = 0x00010103, ! 468: OID_GEN_MEDIA_IN_USE = 0x00010104, ! 469: OID_GEN_MAXIMUM_LOOKAHEAD = 0x00010105, ! 470: OID_GEN_MAXIMUM_FRAME_SIZE = 0x00010106, ! 471: OID_GEN_LINK_SPEED = 0x00010107, ! 472: OID_GEN_TRANSMIT_BUFFER_SPACE = 0x00010108, ! 473: OID_GEN_RECEIVE_BUFFER_SPACE = 0x00010109, ! 474: OID_GEN_TRANSMIT_BLOCK_SIZE = 0x0001010a, ! 475: OID_GEN_RECEIVE_BLOCK_SIZE = 0x0001010b, ! 476: OID_GEN_VENDOR_ID = 0x0001010c, ! 477: OID_GEN_VENDOR_DESCRIPTION = 0x0001010d, ! 478: OID_GEN_CURRENT_PACKET_FILTER = 0x0001010e, ! 479: OID_GEN_CURRENT_LOOKAHEAD = 0x0001010f, ! 480: OID_GEN_DRIVER_VERSION = 0x00010110, ! 481: OID_GEN_MAXIMUM_TOTAL_SIZE = 0x00010111, ! 482: OID_GEN_PROTOCOL_OPTIONS = 0x00010112, ! 483: OID_GEN_MAC_OPTIONS = 0x00010113, ! 484: OID_GEN_MEDIA_CONNECT_STATUS = 0x00010114, ! 485: OID_GEN_MAXIMUM_SEND_PACKETS = 0x00010115, ! 486: OID_GEN_VENDOR_DRIVER_VERSION = 0x00010116, ! 487: OID_GEN_SUPPORTED_GUIDS = 0x00010117, ! 488: OID_GEN_NETWORK_LAYER_ADDRESSES = 0x00010118, ! 489: OID_GEN_TRANSPORT_HEADER_OFFSET = 0x00010119, ! 490: OID_GEN_MACHINE_NAME = 0x0001021a, ! 491: OID_GEN_RNDIS_CONFIG_PARAMETER = 0x0001021b, ! 492: OID_GEN_VLAN_ID = 0x0001021c, ! 493: ! 494: /* Optional OIDs */ ! 495: OID_GEN_MEDIA_CAPABILITIES = 0x00010201, ! 496: OID_GEN_PHYSICAL_MEDIUM = 0x00010202, ! 497: ! 498: /* Required statistics OIDs */ ! 499: OID_GEN_XMIT_OK = 0x00020101, ! 500: OID_GEN_RCV_OK = 0x00020102, ! 501: OID_GEN_XMIT_ERROR = 0x00020103, ! 502: OID_GEN_RCV_ERROR = 0x00020104, ! 503: OID_GEN_RCV_NO_BUFFER = 0x00020105, ! 504: ! 505: /* Optional statistics OIDs */ ! 506: OID_GEN_DIRECTED_BYTES_XMIT = 0x00020201, ! 507: OID_GEN_DIRECTED_FRAMES_XMIT = 0x00020202, ! 508: OID_GEN_MULTICAST_BYTES_XMIT = 0x00020203, ! 509: OID_GEN_MULTICAST_FRAMES_XMIT = 0x00020204, ! 510: OID_GEN_BROADCAST_BYTES_XMIT = 0x00020205, ! 511: OID_GEN_BROADCAST_FRAMES_XMIT = 0x00020206, ! 512: OID_GEN_DIRECTED_BYTES_RCV = 0x00020207, ! 513: OID_GEN_DIRECTED_FRAMES_RCV = 0x00020208, ! 514: OID_GEN_MULTICAST_BYTES_RCV = 0x00020209, ! 515: OID_GEN_MULTICAST_FRAMES_RCV = 0x0002020a, ! 516: OID_GEN_BROADCAST_BYTES_RCV = 0x0002020b, ! 517: OID_GEN_BROADCAST_FRAMES_RCV = 0x0002020c, ! 518: OID_GEN_RCV_CRC_ERROR = 0x0002020d, ! 519: OID_GEN_TRANSMIT_QUEUE_LENGTH = 0x0002020e, ! 520: OID_GEN_GET_TIME_CAPS = 0x0002020f, ! 521: OID_GEN_GET_NETCARD_TIME = 0x00020210, ! 522: OID_GEN_NETCARD_LOAD = 0x00020211, ! 523: OID_GEN_DEVICE_PROFILE = 0x00020212, ! 524: OID_GEN_INIT_TIME_MS = 0x00020213, ! 525: OID_GEN_RESET_COUNTS = 0x00020214, ! 526: OID_GEN_MEDIA_SENSE_COUNTS = 0x00020215, ! 527: OID_GEN_FRIENDLY_NAME = 0x00020216, ! 528: OID_GEN_MINIPORT_INFO = 0x00020217, ! 529: OID_GEN_RESET_VERIFY_PARAMETERS = 0x00020218, ! 530: ! 531: /* IEEE 802.3 (Ethernet) OIDs */ ! 532: OID_802_3_PERMANENT_ADDRESS = 0x01010101, ! 533: OID_802_3_CURRENT_ADDRESS = 0x01010102, ! 534: OID_802_3_MULTICAST_LIST = 0x01010103, ! 535: OID_802_3_MAXIMUM_LIST_SIZE = 0x01010104, ! 536: OID_802_3_MAC_OPTIONS = 0x01010105, ! 537: OID_802_3_RCV_ERROR_ALIGNMENT = 0x01020101, ! 538: OID_802_3_XMIT_ONE_COLLISION = 0x01020102, ! 539: OID_802_3_XMIT_MORE_COLLISIONS = 0x01020103, ! 540: OID_802_3_XMIT_DEFERRED = 0x01020201, ! 541: OID_802_3_XMIT_MAX_COLLISIONS = 0x01020202, ! 542: OID_802_3_RCV_OVERRUN = 0x01020203, ! 543: OID_802_3_XMIT_UNDERRUN = 0x01020204, ! 544: OID_802_3_XMIT_HEARTBEAT_FAILURE = 0x01020205, ! 545: OID_802_3_XMIT_TIMES_CRS_LOST = 0x01020206, ! 546: OID_802_3_XMIT_LATE_COLLISIONS = 0x01020207, ! 547: }; ! 548: ! 549: static const uint32_t oid_supported_list[] = ! 550: { ! 551: /* the general stuff */ ! 552: OID_GEN_SUPPORTED_LIST, ! 553: OID_GEN_HARDWARE_STATUS, ! 554: OID_GEN_MEDIA_SUPPORTED, ! 555: OID_GEN_MEDIA_IN_USE, ! 556: OID_GEN_MAXIMUM_FRAME_SIZE, ! 557: OID_GEN_LINK_SPEED, ! 558: OID_GEN_TRANSMIT_BLOCK_SIZE, ! 559: OID_GEN_RECEIVE_BLOCK_SIZE, ! 560: OID_GEN_VENDOR_ID, ! 561: OID_GEN_VENDOR_DESCRIPTION, ! 562: OID_GEN_VENDOR_DRIVER_VERSION, ! 563: OID_GEN_CURRENT_PACKET_FILTER, ! 564: OID_GEN_MAXIMUM_TOTAL_SIZE, ! 565: OID_GEN_MEDIA_CONNECT_STATUS, ! 566: OID_GEN_PHYSICAL_MEDIUM, ! 567: ! 568: /* the statistical stuff */ ! 569: OID_GEN_XMIT_OK, ! 570: OID_GEN_RCV_OK, ! 571: OID_GEN_XMIT_ERROR, ! 572: OID_GEN_RCV_ERROR, ! 573: OID_GEN_RCV_NO_BUFFER, ! 574: ! 575: /* IEEE 802.3 */ ! 576: /* the general stuff */ ! 577: OID_802_3_PERMANENT_ADDRESS, ! 578: OID_802_3_CURRENT_ADDRESS, ! 579: OID_802_3_MULTICAST_LIST, ! 580: OID_802_3_MAC_OPTIONS, ! 581: OID_802_3_MAXIMUM_LIST_SIZE, ! 582: ! 583: /* the statistical stuff */ ! 584: OID_802_3_RCV_ERROR_ALIGNMENT, ! 585: OID_802_3_XMIT_ONE_COLLISION, ! 586: OID_802_3_XMIT_MORE_COLLISIONS, ! 587: }; ! 588: ! 589: #define NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA (1 << 0) ! 590: #define NDIS_MAC_OPTION_RECEIVE_SERIALIZED (1 << 1) ! 591: #define NDIS_MAC_OPTION_TRANSFERS_NOT_PEND (1 << 2) ! 592: #define NDIS_MAC_OPTION_NO_LOOPBACK (1 << 3) ! 593: #define NDIS_MAC_OPTION_FULL_DUPLEX (1 << 4) ! 594: #define NDIS_MAC_OPTION_EOTX_INDICATION (1 << 5) ! 595: #define NDIS_MAC_OPTION_8021P_PRIORITY (1 << 6) ! 596: ! 597: struct rndis_response { ! 598: TAILQ_ENTRY(rndis_response) entries; ! 599: uint32_t length; ! 600: uint8_t buf[0]; ! 601: }; ! 602: ! 603: typedef struct USBNetState { ! 604: USBDevice dev; ! 605: ! 606: unsigned int rndis; ! 607: enum rndis_state rndis_state; ! 608: uint32_t medium; ! 609: uint32_t speed; ! 610: uint32_t media_state; ! 611: uint16_t filter; ! 612: uint32_t vendorid; ! 613: uint8_t mac[6]; ! 614: ! 615: unsigned int out_ptr; ! 616: uint8_t out_buf[2048]; ! 617: ! 618: USBPacket *inpkt; ! 619: unsigned int in_ptr, in_len; ! 620: uint8_t in_buf[2048]; ! 621: ! 622: char usbstring_mac[13]; ! 623: VLANClientState *vc; ! 624: TAILQ_HEAD(rndis_resp_head, rndis_response) rndis_resp; ! 625: } USBNetState; ! 626: ! 627: static int ndis_query(USBNetState *s, uint32_t oid, ! 628: uint8_t *inbuf, unsigned int inlen, uint8_t *outbuf, ! 629: size_t outlen) ! 630: { ! 631: unsigned int i; ! 632: ! 633: switch (oid) { ! 634: /* general oids (table 4-1) */ ! 635: /* mandatory */ ! 636: case OID_GEN_SUPPORTED_LIST: ! 637: for (i = 0; i < ARRAY_SIZE(oid_supported_list); i++) ! 638: ((le32 *) outbuf)[i] = cpu_to_le32(oid_supported_list[i]); ! 639: return sizeof(oid_supported_list); ! 640: ! 641: /* mandatory */ ! 642: case OID_GEN_HARDWARE_STATUS: ! 643: *((le32 *) outbuf) = cpu_to_le32(0); ! 644: return sizeof(le32); ! 645: ! 646: /* mandatory */ ! 647: case OID_GEN_MEDIA_SUPPORTED: ! 648: *((le32 *) outbuf) = cpu_to_le32(s->medium); ! 649: return sizeof(le32); ! 650: ! 651: /* mandatory */ ! 652: case OID_GEN_MEDIA_IN_USE: ! 653: *((le32 *) outbuf) = cpu_to_le32(s->medium); ! 654: return sizeof(le32); ! 655: ! 656: /* mandatory */ ! 657: case OID_GEN_MAXIMUM_FRAME_SIZE: ! 658: *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN); ! 659: return sizeof(le32); ! 660: ! 661: /* mandatory */ ! 662: case OID_GEN_LINK_SPEED: ! 663: *((le32 *) outbuf) = cpu_to_le32(s->speed); ! 664: return sizeof(le32); ! 665: ! 666: /* mandatory */ ! 667: case OID_GEN_TRANSMIT_BLOCK_SIZE: ! 668: *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN); ! 669: return sizeof(le32); ! 670: ! 671: /* mandatory */ ! 672: case OID_GEN_RECEIVE_BLOCK_SIZE: ! 673: *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN); ! 674: return sizeof(le32); ! 675: ! 676: /* mandatory */ ! 677: case OID_GEN_VENDOR_ID: ! 678: *((le32 *) outbuf) = cpu_to_le32(s->vendorid); ! 679: return sizeof(le32); ! 680: ! 681: /* mandatory */ ! 682: case OID_GEN_VENDOR_DESCRIPTION: ! 683: pstrcpy((char *)outbuf, outlen, "QEMU USB RNDIS Net"); ! 684: return strlen((char *)outbuf) + 1; ! 685: ! 686: case OID_GEN_VENDOR_DRIVER_VERSION: ! 687: *((le32 *) outbuf) = cpu_to_le32(1); ! 688: return sizeof(le32); ! 689: ! 690: /* mandatory */ ! 691: case OID_GEN_CURRENT_PACKET_FILTER: ! 692: *((le32 *) outbuf) = cpu_to_le32(s->filter); ! 693: return sizeof(le32); ! 694: ! 695: /* mandatory */ ! 696: case OID_GEN_MAXIMUM_TOTAL_SIZE: ! 697: *((le32 *) outbuf) = cpu_to_le32(RNDIS_MAX_TOTAL_SIZE); ! 698: return sizeof(le32); ! 699: ! 700: /* mandatory */ ! 701: case OID_GEN_MEDIA_CONNECT_STATUS: ! 702: *((le32 *) outbuf) = cpu_to_le32(s->media_state); ! 703: return sizeof(le32); ! 704: ! 705: case OID_GEN_PHYSICAL_MEDIUM: ! 706: *((le32 *) outbuf) = cpu_to_le32(0); ! 707: return sizeof(le32); ! 708: ! 709: case OID_GEN_MAC_OPTIONS: ! 710: *((le32 *) outbuf) = cpu_to_le32( ! 711: NDIS_MAC_OPTION_RECEIVE_SERIALIZED | ! 712: NDIS_MAC_OPTION_FULL_DUPLEX); ! 713: return sizeof(le32); ! 714: ! 715: /* statistics OIDs (table 4-2) */ ! 716: /* mandatory */ ! 717: case OID_GEN_XMIT_OK: ! 718: *((le32 *) outbuf) = cpu_to_le32(0); ! 719: return sizeof(le32); ! 720: ! 721: /* mandatory */ ! 722: case OID_GEN_RCV_OK: ! 723: *((le32 *) outbuf) = cpu_to_le32(0); ! 724: return sizeof(le32); ! 725: ! 726: /* mandatory */ ! 727: case OID_GEN_XMIT_ERROR: ! 728: *((le32 *) outbuf) = cpu_to_le32(0); ! 729: return sizeof(le32); ! 730: ! 731: /* mandatory */ ! 732: case OID_GEN_RCV_ERROR: ! 733: *((le32 *) outbuf) = cpu_to_le32(0); ! 734: return sizeof(le32); ! 735: ! 736: /* mandatory */ ! 737: case OID_GEN_RCV_NO_BUFFER: ! 738: *((le32 *) outbuf) = cpu_to_le32(0); ! 739: return sizeof(le32); ! 740: ! 741: /* ieee802.3 OIDs (table 4-3) */ ! 742: /* mandatory */ ! 743: case OID_802_3_PERMANENT_ADDRESS: ! 744: memcpy(outbuf, s->mac, 6); ! 745: return 6; ! 746: ! 747: /* mandatory */ ! 748: case OID_802_3_CURRENT_ADDRESS: ! 749: memcpy(outbuf, s->mac, 6); ! 750: return 6; ! 751: ! 752: /* mandatory */ ! 753: case OID_802_3_MULTICAST_LIST: ! 754: *((le32 *) outbuf) = cpu_to_le32(0xe0000000); ! 755: return sizeof(le32); ! 756: ! 757: /* mandatory */ ! 758: case OID_802_3_MAXIMUM_LIST_SIZE: ! 759: *((le32 *) outbuf) = cpu_to_le32(1); ! 760: return sizeof(le32); ! 761: ! 762: case OID_802_3_MAC_OPTIONS: ! 763: return 0; ! 764: ! 765: /* ieee802.3 statistics OIDs (table 4-4) */ ! 766: /* mandatory */ ! 767: case OID_802_3_RCV_ERROR_ALIGNMENT: ! 768: *((le32 *) outbuf) = cpu_to_le32(0); ! 769: return sizeof(le32); ! 770: ! 771: /* mandatory */ ! 772: case OID_802_3_XMIT_ONE_COLLISION: ! 773: *((le32 *) outbuf) = cpu_to_le32(0); ! 774: return sizeof(le32); ! 775: ! 776: /* mandatory */ ! 777: case OID_802_3_XMIT_MORE_COLLISIONS: ! 778: *((le32 *) outbuf) = cpu_to_le32(0); ! 779: return sizeof(le32); ! 780: ! 781: default: ! 782: fprintf(stderr, "usbnet: unknown OID 0x%08x\n", oid); ! 783: return 0; ! 784: } ! 785: return -1; ! 786: } ! 787: ! 788: static int ndis_set(USBNetState *s, uint32_t oid, ! 789: uint8_t *inbuf, unsigned int inlen) ! 790: { ! 791: switch (oid) { ! 792: case OID_GEN_CURRENT_PACKET_FILTER: ! 793: s->filter = le32_to_cpup((le32 *) inbuf); ! 794: if (s->filter) { ! 795: s->rndis_state = RNDIS_DATA_INITIALIZED; ! 796: } else { ! 797: s->rndis_state = RNDIS_INITIALIZED; ! 798: } ! 799: return 0; ! 800: ! 801: case OID_802_3_MULTICAST_LIST: ! 802: return 0; ! 803: } ! 804: return -1; ! 805: } ! 806: ! 807: static int rndis_get_response(USBNetState *s, uint8_t *buf) ! 808: { ! 809: int ret = 0; ! 810: struct rndis_response *r = s->rndis_resp.tqh_first; ! 811: ! 812: if (!r) ! 813: return ret; ! 814: ! 815: TAILQ_REMOVE(&s->rndis_resp, r, entries); ! 816: ret = r->length; ! 817: memcpy(buf, r->buf, r->length); ! 818: qemu_free(r); ! 819: ! 820: return ret; ! 821: } ! 822: ! 823: static void *rndis_queue_response(USBNetState *s, unsigned int length) ! 824: { ! 825: struct rndis_response *r = ! 826: qemu_mallocz(sizeof(struct rndis_response) + length); ! 827: ! 828: TAILQ_INSERT_TAIL(&s->rndis_resp, r, entries); ! 829: r->length = length; ! 830: ! 831: return &r->buf[0]; ! 832: } ! 833: ! 834: static void rndis_clear_responsequeue(USBNetState *s) ! 835: { ! 836: struct rndis_response *r; ! 837: ! 838: while ((r = s->rndis_resp.tqh_first)) { ! 839: TAILQ_REMOVE(&s->rndis_resp, r, entries); ! 840: qemu_free(r); ! 841: } ! 842: } ! 843: ! 844: static int rndis_init_response(USBNetState *s, rndis_init_msg_type *buf) ! 845: { ! 846: rndis_init_cmplt_type *resp = ! 847: rndis_queue_response(s, sizeof(rndis_init_cmplt_type)); ! 848: ! 849: if (!resp) ! 850: return USB_RET_STALL; ! 851: ! 852: resp->MessageType = cpu_to_le32(RNDIS_INITIALIZE_CMPLT); ! 853: resp->MessageLength = cpu_to_le32(sizeof(rndis_init_cmplt_type)); ! 854: resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ ! 855: resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); ! 856: resp->MajorVersion = cpu_to_le32(RNDIS_MAJOR_VERSION); ! 857: resp->MinorVersion = cpu_to_le32(RNDIS_MINOR_VERSION); ! 858: resp->DeviceFlags = cpu_to_le32(RNDIS_DF_CONNECTIONLESS); ! 859: resp->Medium = cpu_to_le32(RNDIS_MEDIUM_802_3); ! 860: resp->MaxPacketsPerTransfer = cpu_to_le32(1); ! 861: resp->MaxTransferSize = cpu_to_le32(ETH_FRAME_LEN + ! 862: sizeof(struct rndis_packet_msg_type) + 22); ! 863: resp->PacketAlignmentFactor = cpu_to_le32(0); ! 864: resp->AFListOffset = cpu_to_le32(0); ! 865: resp->AFListSize = cpu_to_le32(0); ! 866: return 0; ! 867: } ! 868: ! 869: static int rndis_query_response(USBNetState *s, ! 870: rndis_query_msg_type *buf, unsigned int length) ! 871: { ! 872: rndis_query_cmplt_type *resp; ! 873: /* oid_supported_list is the largest data reply */ ! 874: uint8_t infobuf[sizeof(oid_supported_list)]; ! 875: uint32_t bufoffs, buflen; ! 876: int infobuflen; ! 877: unsigned int resplen; ! 878: ! 879: bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8; ! 880: buflen = le32_to_cpu(buf->InformationBufferLength); ! 881: if (bufoffs + buflen > length) ! 882: return USB_RET_STALL; ! 883: ! 884: infobuflen = ndis_query(s, le32_to_cpu(buf->OID), ! 885: bufoffs + (uint8_t *) buf, buflen, infobuf, ! 886: sizeof(infobuf)); ! 887: resplen = sizeof(rndis_query_cmplt_type) + ! 888: ((infobuflen < 0) ? 0 : infobuflen); ! 889: resp = rndis_queue_response(s, resplen); ! 890: if (!resp) ! 891: return USB_RET_STALL; ! 892: ! 893: resp->MessageType = cpu_to_le32(RNDIS_QUERY_CMPLT); ! 894: resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ ! 895: resp->MessageLength = cpu_to_le32(resplen); ! 896: ! 897: if (infobuflen < 0) { ! 898: /* OID not supported */ ! 899: resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED); ! 900: resp->InformationBufferLength = cpu_to_le32(0); ! 901: resp->InformationBufferOffset = cpu_to_le32(0); ! 902: return 0; ! 903: } ! 904: ! 905: resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); ! 906: resp->InformationBufferOffset = ! 907: cpu_to_le32(infobuflen ? sizeof(rndis_query_cmplt_type) - 8 : 0); ! 908: resp->InformationBufferLength = cpu_to_le32(infobuflen); ! 909: memcpy(resp + 1, infobuf, infobuflen); ! 910: ! 911: return 0; ! 912: } ! 913: ! 914: static int rndis_set_response(USBNetState *s, ! 915: rndis_set_msg_type *buf, unsigned int length) ! 916: { ! 917: rndis_set_cmplt_type *resp = ! 918: rndis_queue_response(s, sizeof(rndis_set_cmplt_type)); ! 919: uint32_t bufoffs, buflen; ! 920: int ret; ! 921: ! 922: if (!resp) ! 923: return USB_RET_STALL; ! 924: ! 925: bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8; ! 926: buflen = le32_to_cpu(buf->InformationBufferLength); ! 927: if (bufoffs + buflen > length) ! 928: return USB_RET_STALL; ! 929: ! 930: ret = ndis_set(s, le32_to_cpu(buf->OID), ! 931: bufoffs + (uint8_t *) buf, buflen); ! 932: resp->MessageType = cpu_to_le32(RNDIS_SET_CMPLT); ! 933: resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ ! 934: resp->MessageLength = cpu_to_le32(sizeof(rndis_set_cmplt_type)); ! 935: if (ret < 0) { ! 936: /* OID not supported */ ! 937: resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED); ! 938: return 0; ! 939: } ! 940: resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); ! 941: ! 942: return 0; ! 943: } ! 944: ! 945: static int rndis_reset_response(USBNetState *s, rndis_reset_msg_type *buf) ! 946: { ! 947: rndis_reset_cmplt_type *resp = ! 948: rndis_queue_response(s, sizeof(rndis_reset_cmplt_type)); ! 949: ! 950: if (!resp) ! 951: return USB_RET_STALL; ! 952: ! 953: resp->MessageType = cpu_to_le32(RNDIS_RESET_CMPLT); ! 954: resp->MessageLength = cpu_to_le32(sizeof(rndis_reset_cmplt_type)); ! 955: resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); ! 956: resp->AddressingReset = cpu_to_le32(1); /* reset information */ ! 957: ! 958: return 0; ! 959: } ! 960: ! 961: static int rndis_keepalive_response(USBNetState *s, ! 962: rndis_keepalive_msg_type *buf) ! 963: { ! 964: rndis_keepalive_cmplt_type *resp = ! 965: rndis_queue_response(s, sizeof(rndis_keepalive_cmplt_type)); ! 966: ! 967: if (!resp) ! 968: return USB_RET_STALL; ! 969: ! 970: resp->MessageType = cpu_to_le32(RNDIS_KEEPALIVE_CMPLT); ! 971: resp->MessageLength = cpu_to_le32(sizeof(rndis_keepalive_cmplt_type)); ! 972: resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ ! 973: resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); ! 974: ! 975: return 0; ! 976: } ! 977: ! 978: static int rndis_parse(USBNetState *s, uint8_t *data, int length) ! 979: { ! 980: uint32_t msg_type, msg_length; ! 981: le32 *tmp = (le32 *) data; ! 982: ! 983: msg_type = le32_to_cpup(tmp++); ! 984: msg_length = le32_to_cpup(tmp++); ! 985: ! 986: switch (msg_type) { ! 987: case RNDIS_INITIALIZE_MSG: ! 988: s->rndis_state = RNDIS_INITIALIZED; ! 989: return rndis_init_response(s, (rndis_init_msg_type *) data); ! 990: ! 991: case RNDIS_HALT_MSG: ! 992: s->rndis_state = RNDIS_UNINITIALIZED; ! 993: return 0; ! 994: ! 995: case RNDIS_QUERY_MSG: ! 996: return rndis_query_response(s, (rndis_query_msg_type *) data, length); ! 997: ! 998: case RNDIS_SET_MSG: ! 999: return rndis_set_response(s, (rndis_set_msg_type *) data, length); ! 1000: ! 1001: case RNDIS_RESET_MSG: ! 1002: rndis_clear_responsequeue(s); ! 1003: s->out_ptr = s->in_ptr = s->in_len = 0; ! 1004: return rndis_reset_response(s, (rndis_reset_msg_type *) data); ! 1005: ! 1006: case RNDIS_KEEPALIVE_MSG: ! 1007: /* For USB: host does this every 5 seconds */ ! 1008: return rndis_keepalive_response(s, (rndis_keepalive_msg_type *) data); ! 1009: } ! 1010: ! 1011: return USB_RET_STALL; ! 1012: } ! 1013: ! 1014: static void usb_net_handle_reset(USBDevice *dev) ! 1015: { ! 1016: } ! 1017: ! 1018: static const char * const usb_net_stringtable[] = { ! 1019: [STRING_MANUFACTURER] = "QEMU", ! 1020: [STRING_PRODUCT] = "RNDIS/QEMU USB Network Device", ! 1021: [STRING_ETHADDR] = "400102030405", ! 1022: [STRING_DATA] = "QEMU USB Net Data Interface", ! 1023: [STRING_CONTROL] = "QEMU USB Net Control Interface", ! 1024: [STRING_RNDIS_CONTROL] = "QEMU USB Net RNDIS Control Interface", ! 1025: [STRING_CDC] = "QEMU USB Net CDC", ! 1026: [STRING_SUBSET] = "QEMU USB Net Subset", ! 1027: [STRING_RNDIS] = "QEMU USB Net RNDIS", ! 1028: [STRING_SERIALNUMBER] = "1", ! 1029: }; ! 1030: ! 1031: static int usb_net_handle_control(USBDevice *dev, int request, int value, ! 1032: int index, int length, uint8_t *data) ! 1033: { ! 1034: USBNetState *s = (USBNetState *) dev; ! 1035: int ret = 0; ! 1036: ! 1037: switch(request) { ! 1038: case DeviceRequest | USB_REQ_GET_STATUS: ! 1039: data[0] = (1 << USB_DEVICE_SELF_POWERED) | ! 1040: (dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP); ! 1041: data[1] = 0x00; ! 1042: ret = 2; ! 1043: break; ! 1044: ! 1045: case DeviceOutRequest | USB_REQ_CLEAR_FEATURE: ! 1046: if (value == USB_DEVICE_REMOTE_WAKEUP) { ! 1047: dev->remote_wakeup = 0; ! 1048: } else { ! 1049: goto fail; ! 1050: } ! 1051: ret = 0; ! 1052: break; ! 1053: ! 1054: case DeviceOutRequest | USB_REQ_SET_FEATURE: ! 1055: if (value == USB_DEVICE_REMOTE_WAKEUP) { ! 1056: dev->remote_wakeup = 1; ! 1057: } else { ! 1058: goto fail; ! 1059: } ! 1060: ret = 0; ! 1061: break; ! 1062: ! 1063: case DeviceOutRequest | USB_REQ_SET_ADDRESS: ! 1064: dev->addr = value; ! 1065: ret = 0; ! 1066: break; ! 1067: ! 1068: case ClassInterfaceOutRequest | USB_CDC_SEND_ENCAPSULATED_COMMAND: ! 1069: if (!s->rndis || value || index != 0) ! 1070: goto fail; ! 1071: #ifdef TRAFFIC_DEBUG ! 1072: { ! 1073: unsigned int i; ! 1074: fprintf(stderr, "SEND_ENCAPSULATED_COMMAND:"); ! 1075: for (i = 0; i < length; i++) { ! 1076: if (!(i & 15)) ! 1077: fprintf(stderr, "\n%04x:", i); ! 1078: fprintf(stderr, " %02x", data[i]); ! 1079: } ! 1080: fprintf(stderr, "\n\n"); ! 1081: } ! 1082: #endif ! 1083: ret = rndis_parse(s, data, length); ! 1084: break; ! 1085: ! 1086: case ClassInterfaceRequest | USB_CDC_GET_ENCAPSULATED_RESPONSE: ! 1087: if (!s->rndis || value || index != 0) ! 1088: goto fail; ! 1089: ret = rndis_get_response(s, data); ! 1090: if (!ret) { ! 1091: data[0] = 0; ! 1092: ret = 1; ! 1093: } ! 1094: #ifdef TRAFFIC_DEBUG ! 1095: { ! 1096: unsigned int i; ! 1097: fprintf(stderr, "GET_ENCAPSULATED_RESPONSE:"); ! 1098: for (i = 0; i < ret; i++) { ! 1099: if (!(i & 15)) ! 1100: fprintf(stderr, "\n%04x:", i); ! 1101: fprintf(stderr, " %02x", data[i]); ! 1102: } ! 1103: fprintf(stderr, "\n\n"); ! 1104: } ! 1105: #endif ! 1106: break; ! 1107: ! 1108: case DeviceRequest | USB_REQ_GET_DESCRIPTOR: ! 1109: switch(value >> 8) { ! 1110: case USB_DT_DEVICE: ! 1111: ret = sizeof(qemu_net_dev_descriptor); ! 1112: memcpy(data, qemu_net_dev_descriptor, ret); ! 1113: break; ! 1114: ! 1115: case USB_DT_CONFIG: ! 1116: switch (value & 0xff) { ! 1117: case 0: ! 1118: ret = sizeof(qemu_net_rndis_config_descriptor); ! 1119: memcpy(data, qemu_net_rndis_config_descriptor, ret); ! 1120: break; ! 1121: ! 1122: case 1: ! 1123: ret = sizeof(qemu_net_cdc_config_descriptor); ! 1124: memcpy(data, qemu_net_cdc_config_descriptor, ret); ! 1125: break; ! 1126: ! 1127: default: ! 1128: goto fail; ! 1129: } ! 1130: ! 1131: data[2] = ret & 0xff; ! 1132: data[3] = ret >> 8; ! 1133: break; ! 1134: ! 1135: case USB_DT_STRING: ! 1136: switch (value & 0xff) { ! 1137: case 0: ! 1138: /* language ids */ ! 1139: data[0] = 4; ! 1140: data[1] = 3; ! 1141: data[2] = 0x09; ! 1142: data[3] = 0x04; ! 1143: ret = 4; ! 1144: break; ! 1145: ! 1146: case STRING_ETHADDR: ! 1147: ret = set_usb_string(data, s->usbstring_mac); ! 1148: break; ! 1149: ! 1150: default: ! 1151: if (usb_net_stringtable[value & 0xff]) { ! 1152: ret = set_usb_string(data, ! 1153: usb_net_stringtable[value & 0xff]); ! 1154: break; ! 1155: } ! 1156: ! 1157: goto fail; ! 1158: } ! 1159: break; ! 1160: ! 1161: default: ! 1162: goto fail; ! 1163: } ! 1164: break; ! 1165: ! 1166: case DeviceRequest | USB_REQ_GET_CONFIGURATION: ! 1167: data[0] = s->rndis ? DEV_RNDIS_CONFIG_VALUE : DEV_CONFIG_VALUE; ! 1168: ret = 1; ! 1169: break; ! 1170: ! 1171: case DeviceOutRequest | USB_REQ_SET_CONFIGURATION: ! 1172: switch (value & 0xff) { ! 1173: case DEV_CONFIG_VALUE: ! 1174: s->rndis = 0; ! 1175: break; ! 1176: ! 1177: case DEV_RNDIS_CONFIG_VALUE: ! 1178: s->rndis = 1; ! 1179: break; ! 1180: ! 1181: default: ! 1182: goto fail; ! 1183: } ! 1184: ret = 0; ! 1185: break; ! 1186: ! 1187: case DeviceRequest | USB_REQ_GET_INTERFACE: ! 1188: case InterfaceRequest | USB_REQ_GET_INTERFACE: ! 1189: data[0] = 0; ! 1190: ret = 1; ! 1191: break; ! 1192: ! 1193: case DeviceOutRequest | USB_REQ_SET_INTERFACE: ! 1194: case InterfaceOutRequest | USB_REQ_SET_INTERFACE: ! 1195: ret = 0; ! 1196: break; ! 1197: ! 1198: default: ! 1199: fail: ! 1200: fprintf(stderr, "usbnet: failed control transaction: " ! 1201: "request 0x%x value 0x%x index 0x%x length 0x%x\n", ! 1202: request, value, index, length); ! 1203: ret = USB_RET_STALL; ! 1204: break; ! 1205: } ! 1206: return ret; ! 1207: } ! 1208: ! 1209: static int usb_net_handle_statusin(USBNetState *s, USBPacket *p) ! 1210: { ! 1211: int ret = 8; ! 1212: ! 1213: if (p->len < 8) ! 1214: return USB_RET_STALL; ! 1215: ! 1216: ((le32 *) p->data)[0] = cpu_to_le32(1); ! 1217: ((le32 *) p->data)[1] = cpu_to_le32(0); ! 1218: if (!s->rndis_resp.tqh_first) ! 1219: ret = USB_RET_NAK; ! 1220: ! 1221: #ifdef TRAFFIC_DEBUG ! 1222: fprintf(stderr, "usbnet: interrupt poll len %u return %d", p->len, ret); ! 1223: { ! 1224: int i; ! 1225: fprintf(stderr, ":"); ! 1226: for (i = 0; i < ret; i++) { ! 1227: if (!(i & 15)) ! 1228: fprintf(stderr, "\n%04x:", i); ! 1229: fprintf(stderr, " %02x", p->data[i]); ! 1230: } ! 1231: fprintf(stderr, "\n\n"); ! 1232: } ! 1233: #endif ! 1234: ! 1235: return ret; ! 1236: } ! 1237: ! 1238: static int usb_net_handle_datain(USBNetState *s, USBPacket *p) ! 1239: { ! 1240: int ret = USB_RET_NAK; ! 1241: ! 1242: if (s->in_ptr > s->in_len) { ! 1243: s->in_ptr = s->in_len = 0; ! 1244: ret = USB_RET_NAK; ! 1245: return ret; ! 1246: } ! 1247: if (!s->in_len) { ! 1248: ret = USB_RET_NAK; ! 1249: return ret; ! 1250: } ! 1251: ret = s->in_len - s->in_ptr; ! 1252: if (ret > p->len) ! 1253: ret = p->len; ! 1254: memcpy(p->data, &s->in_buf[s->in_ptr], ret); ! 1255: s->in_ptr += ret; ! 1256: if (s->in_ptr >= s->in_len && ! 1257: (s->rndis || (s->in_len & (64 - 1)) || !ret)) { ! 1258: /* no short packet necessary */ ! 1259: s->in_ptr = s->in_len = 0; ! 1260: } ! 1261: ! 1262: #ifdef TRAFFIC_DEBUG ! 1263: fprintf(stderr, "usbnet: data in len %u return %d", p->len, ret); ! 1264: { ! 1265: int i; ! 1266: fprintf(stderr, ":"); ! 1267: for (i = 0; i < ret; i++) { ! 1268: if (!(i & 15)) ! 1269: fprintf(stderr, "\n%04x:", i); ! 1270: fprintf(stderr, " %02x", p->data[i]); ! 1271: } ! 1272: fprintf(stderr, "\n\n"); ! 1273: } ! 1274: #endif ! 1275: ! 1276: return ret; ! 1277: } ! 1278: ! 1279: static int usb_net_handle_dataout(USBNetState *s, USBPacket *p) ! 1280: { ! 1281: int ret = p->len; ! 1282: int sz = sizeof(s->out_buf) - s->out_ptr; ! 1283: struct rndis_packet_msg_type *msg = ! 1284: (struct rndis_packet_msg_type *) s->out_buf; ! 1285: uint32_t len; ! 1286: ! 1287: #ifdef TRAFFIC_DEBUG ! 1288: fprintf(stderr, "usbnet: data out len %u\n", p->len); ! 1289: { ! 1290: int i; ! 1291: fprintf(stderr, ":"); ! 1292: for (i = 0; i < p->len; i++) { ! 1293: if (!(i & 15)) ! 1294: fprintf(stderr, "\n%04x:", i); ! 1295: fprintf(stderr, " %02x", p->data[i]); ! 1296: } ! 1297: fprintf(stderr, "\n\n"); ! 1298: } ! 1299: #endif ! 1300: ! 1301: if (sz > ret) ! 1302: sz = ret; ! 1303: memcpy(&s->out_buf[s->out_ptr], p->data, sz); ! 1304: s->out_ptr += sz; ! 1305: ! 1306: if (!s->rndis) { ! 1307: if (ret < 64) { ! 1308: qemu_send_packet(s->vc, s->out_buf, s->out_ptr); ! 1309: s->out_ptr = 0; ! 1310: } ! 1311: return ret; ! 1312: } ! 1313: len = le32_to_cpu(msg->MessageLength); ! 1314: if (s->out_ptr < 8 || s->out_ptr < len) ! 1315: return ret; ! 1316: if (le32_to_cpu(msg->MessageType) == RNDIS_PACKET_MSG) { ! 1317: uint32_t offs = 8 + le32_to_cpu(msg->DataOffset); ! 1318: uint32_t size = le32_to_cpu(msg->DataLength); ! 1319: if (offs + size <= len) ! 1320: qemu_send_packet(s->vc, s->out_buf + offs, size); ! 1321: } ! 1322: s->out_ptr -= len; ! 1323: memmove(s->out_buf, &s->out_buf[len], s->out_ptr); ! 1324: ! 1325: return ret; ! 1326: } ! 1327: ! 1328: static int usb_net_handle_data(USBDevice *dev, USBPacket *p) ! 1329: { ! 1330: USBNetState *s = (USBNetState *) dev; ! 1331: int ret = 0; ! 1332: ! 1333: switch(p->pid) { ! 1334: case USB_TOKEN_IN: ! 1335: switch (p->devep) { ! 1336: case 1: ! 1337: ret = usb_net_handle_statusin(s, p); ! 1338: break; ! 1339: ! 1340: case 2: ! 1341: ret = usb_net_handle_datain(s, p); ! 1342: break; ! 1343: ! 1344: default: ! 1345: goto fail; ! 1346: } ! 1347: break; ! 1348: ! 1349: case USB_TOKEN_OUT: ! 1350: switch (p->devep) { ! 1351: case 2: ! 1352: ret = usb_net_handle_dataout(s, p); ! 1353: break; ! 1354: ! 1355: default: ! 1356: goto fail; ! 1357: } ! 1358: break; ! 1359: ! 1360: default: ! 1361: fail: ! 1362: ret = USB_RET_STALL; ! 1363: break; ! 1364: } ! 1365: if (ret == USB_RET_STALL) ! 1366: fprintf(stderr, "usbnet: failed data transaction: " ! 1367: "pid 0x%x ep 0x%x len 0x%x\n", ! 1368: p->pid, p->devep, p->len); ! 1369: return ret; ! 1370: } ! 1371: ! 1372: static void usbnet_receive(void *opaque, const uint8_t *buf, int size) ! 1373: { ! 1374: USBNetState *s = opaque; ! 1375: struct rndis_packet_msg_type *msg; ! 1376: ! 1377: if (s->rndis) { ! 1378: msg = (struct rndis_packet_msg_type *) s->in_buf; ! 1379: if (!s->rndis_state == RNDIS_DATA_INITIALIZED) ! 1380: return; ! 1381: if (size + sizeof(struct rndis_packet_msg_type) > sizeof(s->in_buf)) ! 1382: return; ! 1383: ! 1384: memset(msg, 0, sizeof(struct rndis_packet_msg_type)); ! 1385: msg->MessageType = cpu_to_le32(RNDIS_PACKET_MSG); ! 1386: msg->MessageLength = cpu_to_le32(size + sizeof(struct rndis_packet_msg_type)); ! 1387: msg->DataOffset = cpu_to_le32(sizeof(struct rndis_packet_msg_type) - 8); ! 1388: msg->DataLength = cpu_to_le32(size); ! 1389: /* msg->OOBDataOffset; ! 1390: * msg->OOBDataLength; ! 1391: * msg->NumOOBDataElements; ! 1392: * msg->PerPacketInfoOffset; ! 1393: * msg->PerPacketInfoLength; ! 1394: * msg->VcHandle; ! 1395: * msg->Reserved; ! 1396: */ ! 1397: memcpy(msg + 1, buf, size); ! 1398: s->in_len = size + sizeof(struct rndis_packet_msg_type); ! 1399: } else { ! 1400: if (size > sizeof(s->in_buf)) ! 1401: return; ! 1402: memcpy(s->in_buf, buf, size); ! 1403: s->in_len = size; ! 1404: } ! 1405: s->in_ptr = 0; ! 1406: } ! 1407: ! 1408: static int usbnet_can_receive(void *opaque) ! 1409: { ! 1410: USBNetState *s = opaque; ! 1411: ! 1412: if (s->rndis && !s->rndis_state == RNDIS_DATA_INITIALIZED) ! 1413: return 1; ! 1414: ! 1415: return !s->in_len; ! 1416: } ! 1417: ! 1418: static void usb_net_handle_destroy(USBDevice *dev) ! 1419: { ! 1420: USBNetState *s = (USBNetState *) dev; ! 1421: ! 1422: /* TODO: remove the nd_table[] entry */ ! 1423: qemu_del_vlan_client(s->vc); ! 1424: rndis_clear_responsequeue(s); ! 1425: qemu_free(s); ! 1426: } ! 1427: ! 1428: USBDevice *usb_net_init(NICInfo *nd) ! 1429: { ! 1430: USBNetState *s; ! 1431: ! 1432: s = qemu_mallocz(sizeof(USBNetState)); ! 1433: s->dev.speed = USB_SPEED_FULL; ! 1434: s->dev.handle_packet = usb_generic_handle_packet; ! 1435: ! 1436: s->dev.handle_reset = usb_net_handle_reset; ! 1437: s->dev.handle_control = usb_net_handle_control; ! 1438: s->dev.handle_data = usb_net_handle_data; ! 1439: s->dev.handle_destroy = usb_net_handle_destroy; ! 1440: ! 1441: s->rndis = 1; ! 1442: s->rndis_state = RNDIS_UNINITIALIZED; ! 1443: s->medium = 0; /* NDIS_MEDIUM_802_3 */ ! 1444: s->speed = 1000000; /* 100MBps, in 100Bps units */ ! 1445: s->media_state = 0; /* NDIS_MEDIA_STATE_CONNECTED */; ! 1446: s->filter = 0; ! 1447: s->vendorid = 0x1234; ! 1448: ! 1449: memcpy(s->mac, nd->macaddr, 6); ! 1450: TAILQ_INIT(&s->rndis_resp); ! 1451: ! 1452: pstrcpy(s->dev.devname, sizeof(s->dev.devname), ! 1453: "QEMU USB Network Interface"); ! 1454: s->vc = qemu_new_vlan_client(nd->vlan, nd->model, nd->name, ! 1455: usbnet_receive, usbnet_can_receive, s); ! 1456: ! 1457: qemu_format_nic_info_str(s->vc, s->mac); ! 1458: ! 1459: snprintf(s->usbstring_mac, sizeof(s->usbstring_mac), ! 1460: "%02x%02x%02x%02x%02x%02x", ! 1461: 0x40, s->mac[1], s->mac[2], ! 1462: s->mac[3], s->mac[4], s->mac[5]); ! 1463: fprintf(stderr, "usbnet: initialized mac %02x:%02x:%02x:%02x:%02x:%02x\n", ! 1464: s->mac[0], s->mac[1], s->mac[2], ! 1465: s->mac[3], s->mac[4], s->mac[5]); ! 1466: ! 1467: return (USBDevice *) s; ! 1468: }
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