diff options
Diffstat (limited to 'src/hw/usb/dev-network.c')
| -rw-r--r-- | src/hw/usb/dev-network.c | 1452 |
1 files changed, 1452 insertions, 0 deletions
diff --git a/src/hw/usb/dev-network.c b/src/hw/usb/dev-network.c new file mode 100644 index 0000000..180adce --- /dev/null +++ b/src/hw/usb/dev-network.c @@ -0,0 +1,1452 @@ +/* + * QEMU USB Net devices + * + * Copyright (c) 2006 Thomas Sailer + * Copyright (c) 2008 Andrzej Zaborowski + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "qemu-common.h" +#include "hw/usb.h" +#include "hw/usb/desc.h" +#include "net/net.h" +#include "qemu/error-report.h" +#include "qemu/queue.h" +#include "qemu/config-file.h" +#include "sysemu/sysemu.h" +#include "qemu/iov.h" + +/*#define TRAFFIC_DEBUG*/ +/* Thanks to NetChip Technologies for donating this product ID. + * It's for devices with only CDC Ethernet configurations. + */ +#define CDC_VENDOR_NUM 0x0525 /* NetChip */ +#define CDC_PRODUCT_NUM 0xa4a1 /* Linux-USB Ethernet Gadget */ +/* For hardware that can talk RNDIS and either of the above protocols, + * use this ID ... the windows INF files will know it. + */ +#define RNDIS_VENDOR_NUM 0x0525 /* NetChip */ +#define RNDIS_PRODUCT_NUM 0xa4a2 /* Ethernet/RNDIS Gadget */ + +enum usbstring_idx { + STRING_MANUFACTURER = 1, + STRING_PRODUCT, + STRING_ETHADDR, + STRING_DATA, + STRING_CONTROL, + STRING_RNDIS_CONTROL, + STRING_CDC, + STRING_SUBSET, + STRING_RNDIS, + STRING_SERIALNUMBER, +}; + +#define DEV_CONFIG_VALUE 1 /* CDC or a subset */ +#define DEV_RNDIS_CONFIG_VALUE 2 /* RNDIS; optional */ + +#define USB_CDC_SUBCLASS_ACM 0x02 +#define USB_CDC_SUBCLASS_ETHERNET 0x06 + +#define USB_CDC_PROTO_NONE 0 +#define USB_CDC_ACM_PROTO_VENDOR 0xff + +#define USB_CDC_HEADER_TYPE 0x00 /* header_desc */ +#define USB_CDC_CALL_MANAGEMENT_TYPE 0x01 /* call_mgmt_descriptor */ +#define USB_CDC_ACM_TYPE 0x02 /* acm_descriptor */ +#define USB_CDC_UNION_TYPE 0x06 /* union_desc */ +#define USB_CDC_ETHERNET_TYPE 0x0f /* ether_desc */ + +#define USB_CDC_SEND_ENCAPSULATED_COMMAND 0x00 +#define USB_CDC_GET_ENCAPSULATED_RESPONSE 0x01 +#define USB_CDC_REQ_SET_LINE_CODING 0x20 +#define USB_CDC_REQ_GET_LINE_CODING 0x21 +#define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22 +#define USB_CDC_REQ_SEND_BREAK 0x23 +#define USB_CDC_SET_ETHERNET_MULTICAST_FILTERS 0x40 +#define USB_CDC_SET_ETHERNET_PM_PATTERN_FILTER 0x41 +#define USB_CDC_GET_ETHERNET_PM_PATTERN_FILTER 0x42 +#define USB_CDC_SET_ETHERNET_PACKET_FILTER 0x43 +#define USB_CDC_GET_ETHERNET_STATISTIC 0x44 + +#define LOG2_STATUS_INTERVAL_MSEC 5 /* 1 << 5 == 32 msec */ +#define STATUS_BYTECOUNT 16 /* 8 byte header + data */ + +#define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */ + +static const USBDescStrings usb_net_stringtable = { + [STRING_MANUFACTURER] = "QEMU", + [STRING_PRODUCT] = "RNDIS/QEMU USB Network Device", + [STRING_ETHADDR] = "400102030405", + [STRING_DATA] = "QEMU USB Net Data Interface", + [STRING_CONTROL] = "QEMU USB Net Control Interface", + [STRING_RNDIS_CONTROL] = "QEMU USB Net RNDIS Control Interface", + [STRING_CDC] = "QEMU USB Net CDC", + [STRING_SUBSET] = "QEMU USB Net Subset", + [STRING_RNDIS] = "QEMU USB Net RNDIS", + [STRING_SERIALNUMBER] = "1", +}; + +static const USBDescIface desc_iface_rndis[] = { + { + /* RNDIS Control Interface */ + .bInterfaceNumber = 0, + .bNumEndpoints = 1, + .bInterfaceClass = USB_CLASS_COMM, + .bInterfaceSubClass = USB_CDC_SUBCLASS_ACM, + .bInterfaceProtocol = USB_CDC_ACM_PROTO_VENDOR, + .iInterface = STRING_RNDIS_CONTROL, + .ndesc = 4, + .descs = (USBDescOther[]) { + { + /* Header Descriptor */ + .data = (uint8_t[]) { + 0x05, /* u8 bLength */ + USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ + USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */ + 0x10, 0x01, /* le16 bcdCDC */ + }, + },{ + /* Call Management Descriptor */ + .data = (uint8_t[]) { + 0x05, /* u8 bLength */ + USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ + USB_CDC_CALL_MANAGEMENT_TYPE, /* u8 bDescriptorSubType */ + 0x00, /* u8 bmCapabilities */ + 0x01, /* u8 bDataInterface */ + }, + },{ + /* ACM Descriptor */ + .data = (uint8_t[]) { + 0x04, /* u8 bLength */ + USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ + USB_CDC_ACM_TYPE, /* u8 bDescriptorSubType */ + 0x00, /* u8 bmCapabilities */ + }, + },{ + /* Union Descriptor */ + .data = (uint8_t[]) { + 0x05, /* u8 bLength */ + USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ + USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */ + 0x00, /* u8 bMasterInterface0 */ + 0x01, /* u8 bSlaveInterface0 */ + }, + }, + }, + .eps = (USBDescEndpoint[]) { + { + .bEndpointAddress = USB_DIR_IN | 0x01, + .bmAttributes = USB_ENDPOINT_XFER_INT, + .wMaxPacketSize = STATUS_BYTECOUNT, + .bInterval = 1 << LOG2_STATUS_INTERVAL_MSEC, + }, + } + },{ + /* RNDIS Data Interface */ + .bInterfaceNumber = 1, + .bNumEndpoints = 2, + .bInterfaceClass = USB_CLASS_CDC_DATA, + .iInterface = STRING_DATA, + .eps = (USBDescEndpoint[]) { + { + .bEndpointAddress = USB_DIR_IN | 0x02, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = 0x40, + },{ + .bEndpointAddress = USB_DIR_OUT | 0x02, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = 0x40, + } + } + } +}; + +static const USBDescIface desc_iface_cdc[] = { + { + /* CDC Control Interface */ + .bInterfaceNumber = 0, + .bNumEndpoints = 1, + .bInterfaceClass = USB_CLASS_COMM, + .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, + .bInterfaceProtocol = USB_CDC_PROTO_NONE, + .iInterface = STRING_CONTROL, + .ndesc = 3, + .descs = (USBDescOther[]) { + { + /* Header Descriptor */ + .data = (uint8_t[]) { + 0x05, /* u8 bLength */ + USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ + USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */ + 0x10, 0x01, /* le16 bcdCDC */ + }, + },{ + /* Union Descriptor */ + .data = (uint8_t[]) { + 0x05, /* u8 bLength */ + USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ + USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */ + 0x00, /* u8 bMasterInterface0 */ + 0x01, /* u8 bSlaveInterface0 */ + }, + },{ + /* Ethernet Descriptor */ + .data = (uint8_t[]) { + 0x0d, /* u8 bLength */ + USB_DT_CS_INTERFACE, /* u8 bDescriptorType */ + USB_CDC_ETHERNET_TYPE, /* u8 bDescriptorSubType */ + STRING_ETHADDR, /* u8 iMACAddress */ + 0x00, 0x00, 0x00, 0x00, /* le32 bmEthernetStatistics */ + ETH_FRAME_LEN & 0xff, + ETH_FRAME_LEN >> 8, /* le16 wMaxSegmentSize */ + 0x00, 0x00, /* le16 wNumberMCFilters */ + 0x00, /* u8 bNumberPowerFilters */ + }, + }, + }, + .eps = (USBDescEndpoint[]) { + { + .bEndpointAddress = USB_DIR_IN | 0x01, + .bmAttributes = USB_ENDPOINT_XFER_INT, + .wMaxPacketSize = STATUS_BYTECOUNT, + .bInterval = 1 << LOG2_STATUS_INTERVAL_MSEC, + }, + } + },{ + /* CDC Data Interface (off) */ + .bInterfaceNumber = 1, + .bAlternateSetting = 0, + .bNumEndpoints = 0, + .bInterfaceClass = USB_CLASS_CDC_DATA, + },{ + /* CDC Data Interface */ + .bInterfaceNumber = 1, + .bAlternateSetting = 1, + .bNumEndpoints = 2, + .bInterfaceClass = USB_CLASS_CDC_DATA, + .iInterface = STRING_DATA, + .eps = (USBDescEndpoint[]) { + { + .bEndpointAddress = USB_DIR_IN | 0x02, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = 0x40, + },{ + .bEndpointAddress = USB_DIR_OUT | 0x02, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = 0x40, + } + } + } +}; + +static const USBDescDevice desc_device_net = { + .bcdUSB = 0x0200, + .bDeviceClass = USB_CLASS_COMM, + .bMaxPacketSize0 = 0x40, + .bNumConfigurations = 2, + .confs = (USBDescConfig[]) { + { + .bNumInterfaces = 2, + .bConfigurationValue = DEV_RNDIS_CONFIG_VALUE, + .iConfiguration = STRING_RNDIS, + .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER, + .bMaxPower = 0x32, + .nif = ARRAY_SIZE(desc_iface_rndis), + .ifs = desc_iface_rndis, + },{ + .bNumInterfaces = 2, + .bConfigurationValue = DEV_CONFIG_VALUE, + .iConfiguration = STRING_CDC, + .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER, + .bMaxPower = 0x32, + .nif = ARRAY_SIZE(desc_iface_cdc), + .ifs = desc_iface_cdc, + } + }, +}; + +static const USBDesc desc_net = { + .id = { + .idVendor = RNDIS_VENDOR_NUM, + .idProduct = RNDIS_PRODUCT_NUM, + .bcdDevice = 0, + .iManufacturer = STRING_MANUFACTURER, + .iProduct = STRING_PRODUCT, + .iSerialNumber = STRING_SERIALNUMBER, + }, + .full = &desc_device_net, + .str = usb_net_stringtable, +}; + +/* + * RNDIS Definitions - in theory not specific to USB. + */ +#define RNDIS_MAXIMUM_FRAME_SIZE 1518 +#define RNDIS_MAX_TOTAL_SIZE 1558 + +/* Remote NDIS Versions */ +#define RNDIS_MAJOR_VERSION 1 +#define RNDIS_MINOR_VERSION 0 + +/* Status Values */ +#define RNDIS_STATUS_SUCCESS 0x00000000U /* Success */ +#define RNDIS_STATUS_FAILURE 0xc0000001U /* Unspecified error */ +#define RNDIS_STATUS_INVALID_DATA 0xc0010015U /* Invalid data */ +#define RNDIS_STATUS_NOT_SUPPORTED 0xc00000bbU /* Unsupported request */ +#define RNDIS_STATUS_MEDIA_CONNECT 0x4001000bU /* Device connected */ +#define RNDIS_STATUS_MEDIA_DISCONNECT 0x4001000cU /* Device disconnected */ + +/* Message Set for Connectionless (802.3) Devices */ +enum { + RNDIS_PACKET_MSG = 1, + RNDIS_INITIALIZE_MSG = 2, /* Initialize device */ + RNDIS_HALT_MSG = 3, + RNDIS_QUERY_MSG = 4, + RNDIS_SET_MSG = 5, + RNDIS_RESET_MSG = 6, + RNDIS_INDICATE_STATUS_MSG = 7, + RNDIS_KEEPALIVE_MSG = 8, +}; + +/* Message completion */ +enum { + RNDIS_INITIALIZE_CMPLT = 0x80000002U, + RNDIS_QUERY_CMPLT = 0x80000004U, + RNDIS_SET_CMPLT = 0x80000005U, + RNDIS_RESET_CMPLT = 0x80000006U, + RNDIS_KEEPALIVE_CMPLT = 0x80000008U, +}; + +/* Device Flags */ +enum { + RNDIS_DF_CONNECTIONLESS = 1, + RNDIS_DF_CONNECTIONORIENTED = 2, +}; + +#define RNDIS_MEDIUM_802_3 0x00000000U + +/* from drivers/net/sk98lin/h/skgepnmi.h */ +#define OID_PNP_CAPABILITIES 0xfd010100 +#define OID_PNP_SET_POWER 0xfd010101 +#define OID_PNP_QUERY_POWER 0xfd010102 +#define OID_PNP_ADD_WAKE_UP_PATTERN 0xfd010103 +#define OID_PNP_REMOVE_WAKE_UP_PATTERN 0xfd010104 +#define OID_PNP_ENABLE_WAKE_UP 0xfd010106 + +typedef uint32_t le32; + +typedef struct rndis_init_msg_type { + le32 MessageType; + le32 MessageLength; + le32 RequestID; + le32 MajorVersion; + le32 MinorVersion; + le32 MaxTransferSize; +} rndis_init_msg_type; + +typedef struct rndis_init_cmplt_type { + le32 MessageType; + le32 MessageLength; + le32 RequestID; + le32 Status; + le32 MajorVersion; + le32 MinorVersion; + le32 DeviceFlags; + le32 Medium; + le32 MaxPacketsPerTransfer; + le32 MaxTransferSize; + le32 PacketAlignmentFactor; + le32 AFListOffset; + le32 AFListSize; +} rndis_init_cmplt_type; + +typedef struct rndis_halt_msg_type { + le32 MessageType; + le32 MessageLength; + le32 RequestID; +} rndis_halt_msg_type; + +typedef struct rndis_query_msg_type { + le32 MessageType; + le32 MessageLength; + le32 RequestID; + le32 OID; + le32 InformationBufferLength; + le32 InformationBufferOffset; + le32 DeviceVcHandle; +} rndis_query_msg_type; + +typedef struct rndis_query_cmplt_type { + le32 MessageType; + le32 MessageLength; + le32 RequestID; + le32 Status; + le32 InformationBufferLength; + le32 InformationBufferOffset; +} rndis_query_cmplt_type; + +typedef struct rndis_set_msg_type { + le32 MessageType; + le32 MessageLength; + le32 RequestID; + le32 OID; + le32 InformationBufferLength; + le32 InformationBufferOffset; + le32 DeviceVcHandle; +} rndis_set_msg_type; + +typedef struct rndis_set_cmplt_type { + le32 MessageType; + le32 MessageLength; + le32 RequestID; + le32 Status; +} rndis_set_cmplt_type; + +typedef struct rndis_reset_msg_type { + le32 MessageType; + le32 MessageLength; + le32 Reserved; +} rndis_reset_msg_type; + +typedef struct rndis_reset_cmplt_type { + le32 MessageType; + le32 MessageLength; + le32 Status; + le32 AddressingReset; +} rndis_reset_cmplt_type; + +typedef struct rndis_indicate_status_msg_type { + le32 MessageType; + le32 MessageLength; + le32 Status; + le32 StatusBufferLength; + le32 StatusBufferOffset; +} rndis_indicate_status_msg_type; + +typedef struct rndis_keepalive_msg_type { + le32 MessageType; + le32 MessageLength; + le32 RequestID; +} rndis_keepalive_msg_type; + +typedef struct rndis_keepalive_cmplt_type { + le32 MessageType; + le32 MessageLength; + le32 RequestID; + le32 Status; +} rndis_keepalive_cmplt_type; + +struct rndis_packet_msg_type { + le32 MessageType; + le32 MessageLength; + le32 DataOffset; + le32 DataLength; + le32 OOBDataOffset; + le32 OOBDataLength; + le32 NumOOBDataElements; + le32 PerPacketInfoOffset; + le32 PerPacketInfoLength; + le32 VcHandle; + le32 Reserved; +}; + +struct rndis_config_parameter { + le32 ParameterNameOffset; + le32 ParameterNameLength; + le32 ParameterType; + le32 ParameterValueOffset; + le32 ParameterValueLength; +}; + +/* implementation specific */ +enum rndis_state +{ + RNDIS_UNINITIALIZED, + RNDIS_INITIALIZED, + RNDIS_DATA_INITIALIZED, +}; + +/* from ndis.h */ +enum ndis_oid { + /* Required Object IDs (OIDs) */ + OID_GEN_SUPPORTED_LIST = 0x00010101, + OID_GEN_HARDWARE_STATUS = 0x00010102, + OID_GEN_MEDIA_SUPPORTED = 0x00010103, + OID_GEN_MEDIA_IN_USE = 0x00010104, + OID_GEN_MAXIMUM_LOOKAHEAD = 0x00010105, + OID_GEN_MAXIMUM_FRAME_SIZE = 0x00010106, + OID_GEN_LINK_SPEED = 0x00010107, + OID_GEN_TRANSMIT_BUFFER_SPACE = 0x00010108, + OID_GEN_RECEIVE_BUFFER_SPACE = 0x00010109, + OID_GEN_TRANSMIT_BLOCK_SIZE = 0x0001010a, + OID_GEN_RECEIVE_BLOCK_SIZE = 0x0001010b, + OID_GEN_VENDOR_ID = 0x0001010c, + OID_GEN_VENDOR_DESCRIPTION = 0x0001010d, + OID_GEN_CURRENT_PACKET_FILTER = 0x0001010e, + OID_GEN_CURRENT_LOOKAHEAD = 0x0001010f, + OID_GEN_DRIVER_VERSION = 0x00010110, + OID_GEN_MAXIMUM_TOTAL_SIZE = 0x00010111, + OID_GEN_PROTOCOL_OPTIONS = 0x00010112, + OID_GEN_MAC_OPTIONS = 0x00010113, + OID_GEN_MEDIA_CONNECT_STATUS = 0x00010114, + OID_GEN_MAXIMUM_SEND_PACKETS = 0x00010115, + OID_GEN_VENDOR_DRIVER_VERSION = 0x00010116, + OID_GEN_SUPPORTED_GUIDS = 0x00010117, + OID_GEN_NETWORK_LAYER_ADDRESSES = 0x00010118, + OID_GEN_TRANSPORT_HEADER_OFFSET = 0x00010119, + OID_GEN_MACHINE_NAME = 0x0001021a, + OID_GEN_RNDIS_CONFIG_PARAMETER = 0x0001021b, + OID_GEN_VLAN_ID = 0x0001021c, + + /* Optional OIDs */ + OID_GEN_MEDIA_CAPABILITIES = 0x00010201, + OID_GEN_PHYSICAL_MEDIUM = 0x00010202, + + /* Required statistics OIDs */ + OID_GEN_XMIT_OK = 0x00020101, + OID_GEN_RCV_OK = 0x00020102, + OID_GEN_XMIT_ERROR = 0x00020103, + OID_GEN_RCV_ERROR = 0x00020104, + OID_GEN_RCV_NO_BUFFER = 0x00020105, + + /* Optional statistics OIDs */ + OID_GEN_DIRECTED_BYTES_XMIT = 0x00020201, + OID_GEN_DIRECTED_FRAMES_XMIT = 0x00020202, + OID_GEN_MULTICAST_BYTES_XMIT = 0x00020203, + OID_GEN_MULTICAST_FRAMES_XMIT = 0x00020204, + OID_GEN_BROADCAST_BYTES_XMIT = 0x00020205, + OID_GEN_BROADCAST_FRAMES_XMIT = 0x00020206, + OID_GEN_DIRECTED_BYTES_RCV = 0x00020207, + OID_GEN_DIRECTED_FRAMES_RCV = 0x00020208, + OID_GEN_MULTICAST_BYTES_RCV = 0x00020209, + OID_GEN_MULTICAST_FRAMES_RCV = 0x0002020a, + OID_GEN_BROADCAST_BYTES_RCV = 0x0002020b, + OID_GEN_BROADCAST_FRAMES_RCV = 0x0002020c, + OID_GEN_RCV_CRC_ERROR = 0x0002020d, + OID_GEN_TRANSMIT_QUEUE_LENGTH = 0x0002020e, + OID_GEN_GET_TIME_CAPS = 0x0002020f, + OID_GEN_GET_NETCARD_TIME = 0x00020210, + OID_GEN_NETCARD_LOAD = 0x00020211, + OID_GEN_DEVICE_PROFILE = 0x00020212, + OID_GEN_INIT_TIME_MS = 0x00020213, + OID_GEN_RESET_COUNTS = 0x00020214, + OID_GEN_MEDIA_SENSE_COUNTS = 0x00020215, + OID_GEN_FRIENDLY_NAME = 0x00020216, + OID_GEN_MINIPORT_INFO = 0x00020217, + OID_GEN_RESET_VERIFY_PARAMETERS = 0x00020218, + + /* IEEE 802.3 (Ethernet) OIDs */ + OID_802_3_PERMANENT_ADDRESS = 0x01010101, + OID_802_3_CURRENT_ADDRESS = 0x01010102, + OID_802_3_MULTICAST_LIST = 0x01010103, + OID_802_3_MAXIMUM_LIST_SIZE = 0x01010104, + OID_802_3_MAC_OPTIONS = 0x01010105, + OID_802_3_RCV_ERROR_ALIGNMENT = 0x01020101, + OID_802_3_XMIT_ONE_COLLISION = 0x01020102, + OID_802_3_XMIT_MORE_COLLISIONS = 0x01020103, + OID_802_3_XMIT_DEFERRED = 0x01020201, + OID_802_3_XMIT_MAX_COLLISIONS = 0x01020202, + OID_802_3_RCV_OVERRUN = 0x01020203, + OID_802_3_XMIT_UNDERRUN = 0x01020204, + OID_802_3_XMIT_HEARTBEAT_FAILURE = 0x01020205, + OID_802_3_XMIT_TIMES_CRS_LOST = 0x01020206, + OID_802_3_XMIT_LATE_COLLISIONS = 0x01020207, +}; + +static const uint32_t oid_supported_list[] = +{ + /* the general stuff */ + OID_GEN_SUPPORTED_LIST, + OID_GEN_HARDWARE_STATUS, + OID_GEN_MEDIA_SUPPORTED, + OID_GEN_MEDIA_IN_USE, + OID_GEN_MAXIMUM_FRAME_SIZE, + OID_GEN_LINK_SPEED, + OID_GEN_TRANSMIT_BLOCK_SIZE, + OID_GEN_RECEIVE_BLOCK_SIZE, + OID_GEN_VENDOR_ID, + OID_GEN_VENDOR_DESCRIPTION, + OID_GEN_VENDOR_DRIVER_VERSION, + OID_GEN_CURRENT_PACKET_FILTER, + OID_GEN_MAXIMUM_TOTAL_SIZE, + OID_GEN_MEDIA_CONNECT_STATUS, + OID_GEN_PHYSICAL_MEDIUM, + + /* the statistical stuff */ + OID_GEN_XMIT_OK, + OID_GEN_RCV_OK, + OID_GEN_XMIT_ERROR, + OID_GEN_RCV_ERROR, + OID_GEN_RCV_NO_BUFFER, + + /* IEEE 802.3 */ + /* the general stuff */ + OID_802_3_PERMANENT_ADDRESS, + OID_802_3_CURRENT_ADDRESS, + OID_802_3_MULTICAST_LIST, + OID_802_3_MAC_OPTIONS, + OID_802_3_MAXIMUM_LIST_SIZE, + + /* the statistical stuff */ + OID_802_3_RCV_ERROR_ALIGNMENT, + OID_802_3_XMIT_ONE_COLLISION, + OID_802_3_XMIT_MORE_COLLISIONS, +}; + +#define NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA (1 << 0) +#define NDIS_MAC_OPTION_RECEIVE_SERIALIZED (1 << 1) +#define NDIS_MAC_OPTION_TRANSFERS_NOT_PEND (1 << 2) +#define NDIS_MAC_OPTION_NO_LOOPBACK (1 << 3) +#define NDIS_MAC_OPTION_FULL_DUPLEX (1 << 4) +#define NDIS_MAC_OPTION_EOTX_INDICATION (1 << 5) +#define NDIS_MAC_OPTION_8021P_PRIORITY (1 << 6) + +struct rndis_response { + QTAILQ_ENTRY(rndis_response) entries; + uint32_t length; + uint8_t buf[0]; +}; + +typedef struct USBNetState { + USBDevice dev; + + enum rndis_state rndis_state; + uint32_t medium; + uint32_t speed; + uint32_t media_state; + uint16_t filter; + uint32_t vendorid; + + unsigned int out_ptr; + uint8_t out_buf[2048]; + + unsigned int in_ptr, in_len; + uint8_t in_buf[2048]; + + USBEndpoint *intr; + + char usbstring_mac[13]; + NICState *nic; + NICConf conf; + QTAILQ_HEAD(rndis_resp_head, rndis_response) rndis_resp; +} USBNetState; + +#define TYPE_USB_NET "usb-net" +#define USB_NET(obj) OBJECT_CHECK(USBNetState, (obj), TYPE_USB_NET) + +static int is_rndis(USBNetState *s) +{ + return s->dev.config ? + s->dev.config->bConfigurationValue == DEV_RNDIS_CONFIG_VALUE : 0; +} + +static int ndis_query(USBNetState *s, uint32_t oid, + uint8_t *inbuf, unsigned int inlen, uint8_t *outbuf, + size_t outlen) +{ + unsigned int i; + + switch (oid) { + /* general oids (table 4-1) */ + /* mandatory */ + case OID_GEN_SUPPORTED_LIST: + for (i = 0; i < ARRAY_SIZE(oid_supported_list); i++) + ((le32 *) outbuf)[i] = cpu_to_le32(oid_supported_list[i]); + return sizeof(oid_supported_list); + + /* mandatory */ + case OID_GEN_HARDWARE_STATUS: + *((le32 *) outbuf) = cpu_to_le32(0); + return sizeof(le32); + + /* mandatory */ + case OID_GEN_MEDIA_SUPPORTED: + *((le32 *) outbuf) = cpu_to_le32(s->medium); + return sizeof(le32); + + /* mandatory */ + case OID_GEN_MEDIA_IN_USE: + *((le32 *) outbuf) = cpu_to_le32(s->medium); + return sizeof(le32); + + /* mandatory */ + case OID_GEN_MAXIMUM_FRAME_SIZE: + *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN); + return sizeof(le32); + + /* mandatory */ + case OID_GEN_LINK_SPEED: + *((le32 *) outbuf) = cpu_to_le32(s->speed); + return sizeof(le32); + + /* mandatory */ + case OID_GEN_TRANSMIT_BLOCK_SIZE: + *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN); + return sizeof(le32); + + /* mandatory */ + case OID_GEN_RECEIVE_BLOCK_SIZE: + *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN); + return sizeof(le32); + + /* mandatory */ + case OID_GEN_VENDOR_ID: + *((le32 *) outbuf) = cpu_to_le32(s->vendorid); + return sizeof(le32); + + /* mandatory */ + case OID_GEN_VENDOR_DESCRIPTION: + pstrcpy((char *)outbuf, outlen, "QEMU USB RNDIS Net"); + return strlen((char *)outbuf) + 1; + + case OID_GEN_VENDOR_DRIVER_VERSION: + *((le32 *) outbuf) = cpu_to_le32(1); + return sizeof(le32); + + /* mandatory */ + case OID_GEN_CURRENT_PACKET_FILTER: + *((le32 *) outbuf) = cpu_to_le32(s->filter); + return sizeof(le32); + + /* mandatory */ + case OID_GEN_MAXIMUM_TOTAL_SIZE: + *((le32 *) outbuf) = cpu_to_le32(RNDIS_MAX_TOTAL_SIZE); + return sizeof(le32); + + /* mandatory */ + case OID_GEN_MEDIA_CONNECT_STATUS: + *((le32 *) outbuf) = cpu_to_le32(s->media_state); + return sizeof(le32); + + case OID_GEN_PHYSICAL_MEDIUM: + *((le32 *) outbuf) = cpu_to_le32(0); + return sizeof(le32); + + case OID_GEN_MAC_OPTIONS: + *((le32 *) outbuf) = cpu_to_le32( + NDIS_MAC_OPTION_RECEIVE_SERIALIZED | + NDIS_MAC_OPTION_FULL_DUPLEX); + return sizeof(le32); + + /* statistics OIDs (table 4-2) */ + /* mandatory */ + case OID_GEN_XMIT_OK: + *((le32 *) outbuf) = cpu_to_le32(0); + return sizeof(le32); + + /* mandatory */ + case OID_GEN_RCV_OK: + *((le32 *) outbuf) = cpu_to_le32(0); + return sizeof(le32); + + /* mandatory */ + case OID_GEN_XMIT_ERROR: + *((le32 *) outbuf) = cpu_to_le32(0); + return sizeof(le32); + + /* mandatory */ + case OID_GEN_RCV_ERROR: + *((le32 *) outbuf) = cpu_to_le32(0); + return sizeof(le32); + + /* mandatory */ + case OID_GEN_RCV_NO_BUFFER: + *((le32 *) outbuf) = cpu_to_le32(0); + return sizeof(le32); + + /* ieee802.3 OIDs (table 4-3) */ + /* mandatory */ + case OID_802_3_PERMANENT_ADDRESS: + memcpy(outbuf, s->conf.macaddr.a, 6); + return 6; + + /* mandatory */ + case OID_802_3_CURRENT_ADDRESS: + memcpy(outbuf, s->conf.macaddr.a, 6); + return 6; + + /* mandatory */ + case OID_802_3_MULTICAST_LIST: + *((le32 *) outbuf) = cpu_to_le32(0xe0000000); + return sizeof(le32); + + /* mandatory */ + case OID_802_3_MAXIMUM_LIST_SIZE: + *((le32 *) outbuf) = cpu_to_le32(1); + return sizeof(le32); + + case OID_802_3_MAC_OPTIONS: + return 0; + + /* ieee802.3 statistics OIDs (table 4-4) */ + /* mandatory */ + case OID_802_3_RCV_ERROR_ALIGNMENT: + *((le32 *) outbuf) = cpu_to_le32(0); + return sizeof(le32); + + /* mandatory */ + case OID_802_3_XMIT_ONE_COLLISION: + *((le32 *) outbuf) = cpu_to_le32(0); + return sizeof(le32); + + /* mandatory */ + case OID_802_3_XMIT_MORE_COLLISIONS: + *((le32 *) outbuf) = cpu_to_le32(0); + return sizeof(le32); + + default: + fprintf(stderr, "usbnet: unknown OID 0x%08x\n", oid); + return 0; + } + return -1; +} + +static int ndis_set(USBNetState *s, uint32_t oid, + uint8_t *inbuf, unsigned int inlen) +{ + switch (oid) { + case OID_GEN_CURRENT_PACKET_FILTER: + s->filter = le32_to_cpup((le32 *) inbuf); + if (s->filter) { + s->rndis_state = RNDIS_DATA_INITIALIZED; + } else { + s->rndis_state = RNDIS_INITIALIZED; + } + return 0; + + case OID_802_3_MULTICAST_LIST: + return 0; + } + return -1; +} + +static int rndis_get_response(USBNetState *s, uint8_t *buf) +{ + int ret = 0; + struct rndis_response *r = s->rndis_resp.tqh_first; + + if (!r) + return ret; + + QTAILQ_REMOVE(&s->rndis_resp, r, entries); + ret = r->length; + memcpy(buf, r->buf, r->length); + g_free(r); + + return ret; +} + +static void *rndis_queue_response(USBNetState *s, unsigned int length) +{ + struct rndis_response *r = + g_malloc0(sizeof(struct rndis_response) + length); + + if (QTAILQ_EMPTY(&s->rndis_resp)) { + usb_wakeup(s->intr, 0); + } + + QTAILQ_INSERT_TAIL(&s->rndis_resp, r, entries); + r->length = length; + + return &r->buf[0]; +} + +static void rndis_clear_responsequeue(USBNetState *s) +{ + struct rndis_response *r; + + while ((r = s->rndis_resp.tqh_first)) { + QTAILQ_REMOVE(&s->rndis_resp, r, entries); + g_free(r); + } +} + +static int rndis_init_response(USBNetState *s, rndis_init_msg_type *buf) +{ + rndis_init_cmplt_type *resp = + rndis_queue_response(s, sizeof(rndis_init_cmplt_type)); + + if (!resp) + return USB_RET_STALL; + + resp->MessageType = cpu_to_le32(RNDIS_INITIALIZE_CMPLT); + resp->MessageLength = cpu_to_le32(sizeof(rndis_init_cmplt_type)); + resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ + resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); + resp->MajorVersion = cpu_to_le32(RNDIS_MAJOR_VERSION); + resp->MinorVersion = cpu_to_le32(RNDIS_MINOR_VERSION); + resp->DeviceFlags = cpu_to_le32(RNDIS_DF_CONNECTIONLESS); + resp->Medium = cpu_to_le32(RNDIS_MEDIUM_802_3); + resp->MaxPacketsPerTransfer = cpu_to_le32(1); + resp->MaxTransferSize = cpu_to_le32(ETH_FRAME_LEN + + sizeof(struct rndis_packet_msg_type) + 22); + resp->PacketAlignmentFactor = cpu_to_le32(0); + resp->AFListOffset = cpu_to_le32(0); + resp->AFListSize = cpu_to_le32(0); + return 0; +} + +static int rndis_query_response(USBNetState *s, + rndis_query_msg_type *buf, unsigned int length) +{ + rndis_query_cmplt_type *resp; + /* oid_supported_list is the largest data reply */ + uint8_t infobuf[sizeof(oid_supported_list)]; + uint32_t bufoffs, buflen; + int infobuflen; + unsigned int resplen; + + bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8; + buflen = le32_to_cpu(buf->InformationBufferLength); + if (buflen > length || bufoffs >= length || bufoffs + buflen > length) { + return USB_RET_STALL; + } + + infobuflen = ndis_query(s, le32_to_cpu(buf->OID), + bufoffs + (uint8_t *) buf, buflen, infobuf, + sizeof(infobuf)); + resplen = sizeof(rndis_query_cmplt_type) + + ((infobuflen < 0) ? 0 : infobuflen); + resp = rndis_queue_response(s, resplen); + if (!resp) + return USB_RET_STALL; + + resp->MessageType = cpu_to_le32(RNDIS_QUERY_CMPLT); + resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ + resp->MessageLength = cpu_to_le32(resplen); + + if (infobuflen < 0) { + /* OID not supported */ + resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED); + resp->InformationBufferLength = cpu_to_le32(0); + resp->InformationBufferOffset = cpu_to_le32(0); + return 0; + } + + resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); + resp->InformationBufferOffset = + cpu_to_le32(infobuflen ? sizeof(rndis_query_cmplt_type) - 8 : 0); + resp->InformationBufferLength = cpu_to_le32(infobuflen); + memcpy(resp + 1, infobuf, infobuflen); + + return 0; +} + +static int rndis_set_response(USBNetState *s, + rndis_set_msg_type *buf, unsigned int length) +{ + rndis_set_cmplt_type *resp = + rndis_queue_response(s, sizeof(rndis_set_cmplt_type)); + uint32_t bufoffs, buflen; + int ret; + + if (!resp) + return USB_RET_STALL; + + bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8; + buflen = le32_to_cpu(buf->InformationBufferLength); + if (buflen > length || bufoffs >= length || bufoffs + buflen > length) { + return USB_RET_STALL; + } + + ret = ndis_set(s, le32_to_cpu(buf->OID), + bufoffs + (uint8_t *) buf, buflen); + resp->MessageType = cpu_to_le32(RNDIS_SET_CMPLT); + resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ + resp->MessageLength = cpu_to_le32(sizeof(rndis_set_cmplt_type)); + if (ret < 0) { + /* OID not supported */ + resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED); + return 0; + } + resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); + + return 0; +} + +static int rndis_reset_response(USBNetState *s, rndis_reset_msg_type *buf) +{ + rndis_reset_cmplt_type *resp = + rndis_queue_response(s, sizeof(rndis_reset_cmplt_type)); + + if (!resp) + return USB_RET_STALL; + + resp->MessageType = cpu_to_le32(RNDIS_RESET_CMPLT); + resp->MessageLength = cpu_to_le32(sizeof(rndis_reset_cmplt_type)); + resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); + resp->AddressingReset = cpu_to_le32(1); /* reset information */ + + return 0; +} + +static int rndis_keepalive_response(USBNetState *s, + rndis_keepalive_msg_type *buf) +{ + rndis_keepalive_cmplt_type *resp = + rndis_queue_response(s, sizeof(rndis_keepalive_cmplt_type)); + + if (!resp) + return USB_RET_STALL; + + resp->MessageType = cpu_to_le32(RNDIS_KEEPALIVE_CMPLT); + resp->MessageLength = cpu_to_le32(sizeof(rndis_keepalive_cmplt_type)); + resp->RequestID = buf->RequestID; /* Still LE in msg buffer */ + resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS); + + return 0; +} + +/* Prepare to receive the next packet */ +static void usb_net_reset_in_buf(USBNetState *s) +{ + s->in_ptr = s->in_len = 0; + qemu_flush_queued_packets(qemu_get_queue(s->nic)); +} + +static int rndis_parse(USBNetState *s, uint8_t *data, int length) +{ + uint32_t msg_type; + le32 *tmp = (le32 *) data; + + msg_type = le32_to_cpup(tmp); + + switch (msg_type) { + case RNDIS_INITIALIZE_MSG: + s->rndis_state = RNDIS_INITIALIZED; + return rndis_init_response(s, (rndis_init_msg_type *) data); + + case RNDIS_HALT_MSG: + s->rndis_state = RNDIS_UNINITIALIZED; + return 0; + + case RNDIS_QUERY_MSG: + return rndis_query_response(s, (rndis_query_msg_type *) data, length); + + case RNDIS_SET_MSG: + return rndis_set_response(s, (rndis_set_msg_type *) data, length); + + case RNDIS_RESET_MSG: + rndis_clear_responsequeue(s); + s->out_ptr = 0; + usb_net_reset_in_buf(s); + return rndis_reset_response(s, (rndis_reset_msg_type *) data); + + case RNDIS_KEEPALIVE_MSG: + /* For USB: host does this every 5 seconds */ + return rndis_keepalive_response(s, (rndis_keepalive_msg_type *) data); + } + + return USB_RET_STALL; +} + +static void usb_net_handle_reset(USBDevice *dev) +{ +} + +static void usb_net_handle_control(USBDevice *dev, USBPacket *p, + int request, int value, int index, int length, uint8_t *data) +{ + USBNetState *s = (USBNetState *) dev; + int ret; + + ret = usb_desc_handle_control(dev, p, request, value, index, length, data); + if (ret >= 0) { + return; + } + + switch(request) { + case ClassInterfaceOutRequest | USB_CDC_SEND_ENCAPSULATED_COMMAND: + if (!is_rndis(s) || value || index != 0) { + goto fail; + } +#ifdef TRAFFIC_DEBUG + { + unsigned int i; + fprintf(stderr, "SEND_ENCAPSULATED_COMMAND:"); + for (i = 0; i < length; i++) { + if (!(i & 15)) + fprintf(stderr, "\n%04x:", i); + fprintf(stderr, " %02x", data[i]); + } + fprintf(stderr, "\n\n"); + } +#endif + ret = rndis_parse(s, data, length); + if (ret < 0) { + p->status = ret; + } + break; + + case ClassInterfaceRequest | USB_CDC_GET_ENCAPSULATED_RESPONSE: + if (!is_rndis(s) || value || index != 0) { + goto fail; + } + p->actual_length = rndis_get_response(s, data); + if (p->actual_length == 0) { + data[0] = 0; + p->actual_length = 1; + } +#ifdef TRAFFIC_DEBUG + { + unsigned int i; + fprintf(stderr, "GET_ENCAPSULATED_RESPONSE:"); + for (i = 0; i < p->actual_length; i++) { + if (!(i & 15)) + fprintf(stderr, "\n%04x:", i); + fprintf(stderr, " %02x", data[i]); + } + fprintf(stderr, "\n\n"); + } +#endif + break; + + default: + fail: + fprintf(stderr, "usbnet: failed control transaction: " + "request 0x%x value 0x%x index 0x%x length 0x%x\n", + request, value, index, length); + p->status = USB_RET_STALL; + break; + } +} + +static void usb_net_handle_statusin(USBNetState *s, USBPacket *p) +{ + le32 buf[2]; + + if (p->iov.size < 8) { + p->status = USB_RET_STALL; + return; + } + + buf[0] = cpu_to_le32(1); + buf[1] = cpu_to_le32(0); + usb_packet_copy(p, buf, 8); + if (!s->rndis_resp.tqh_first) { + p->status = USB_RET_NAK; + } + +#ifdef TRAFFIC_DEBUG + fprintf(stderr, "usbnet: interrupt poll len %zu return %d", + p->iov.size, p->status); + iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", p->status); +#endif +} + +static void usb_net_handle_datain(USBNetState *s, USBPacket *p) +{ + int len; + + if (s->in_ptr > s->in_len) { + usb_net_reset_in_buf(s); + p->status = USB_RET_NAK; + return; + } + if (!s->in_len) { + p->status = USB_RET_NAK; + return; + } + len = s->in_len - s->in_ptr; + if (len > p->iov.size) { + len = p->iov.size; + } + usb_packet_copy(p, &s->in_buf[s->in_ptr], len); + s->in_ptr += len; + if (s->in_ptr >= s->in_len && + (is_rndis(s) || (s->in_len & (64 - 1)) || !len)) { + /* no short packet necessary */ + usb_net_reset_in_buf(s); + } + +#ifdef TRAFFIC_DEBUG + fprintf(stderr, "usbnet: data in len %zu return %d", p->iov.size, len); + iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", len); +#endif +} + +static void usb_net_handle_dataout(USBNetState *s, USBPacket *p) +{ + int sz = sizeof(s->out_buf) - s->out_ptr; + struct rndis_packet_msg_type *msg = + (struct rndis_packet_msg_type *) s->out_buf; + uint32_t len; + +#ifdef TRAFFIC_DEBUG + fprintf(stderr, "usbnet: data out len %zu\n", p->iov.size); + iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", p->iov.size); +#endif + + if (sz > p->iov.size) { + sz = p->iov.size; + } + usb_packet_copy(p, &s->out_buf[s->out_ptr], sz); + s->out_ptr += sz; + + if (!is_rndis(s)) { + if (p->iov.size < 64) { + qemu_send_packet(qemu_get_queue(s->nic), s->out_buf, s->out_ptr); + s->out_ptr = 0; + } + return; + } + len = le32_to_cpu(msg->MessageLength); + if (s->out_ptr < 8 || s->out_ptr < len) { + return; + } + if (le32_to_cpu(msg->MessageType) == RNDIS_PACKET_MSG) { + uint32_t offs = 8 + le32_to_cpu(msg->DataOffset); + uint32_t size = le32_to_cpu(msg->DataLength); + if (offs < len && size < len && offs + size <= len) { + qemu_send_packet(qemu_get_queue(s->nic), s->out_buf + offs, size); + } + } + s->out_ptr -= len; + memmove(s->out_buf, &s->out_buf[len], s->out_ptr); +} + +static void usb_net_handle_data(USBDevice *dev, USBPacket *p) +{ + USBNetState *s = (USBNetState *) dev; + + switch(p->pid) { + case USB_TOKEN_IN: + switch (p->ep->nr) { + case 1: + usb_net_handle_statusin(s, p); + break; + + case 2: + usb_net_handle_datain(s, p); + break; + + default: + goto fail; + } + break; + + case USB_TOKEN_OUT: + switch (p->ep->nr) { + case 2: + usb_net_handle_dataout(s, p); + break; + + default: + goto fail; + } + break; + + default: + fail: + p->status = USB_RET_STALL; + break; + } + + if (p->status == USB_RET_STALL) { + fprintf(stderr, "usbnet: failed data transaction: " + "pid 0x%x ep 0x%x len 0x%zx\n", + p->pid, p->ep->nr, p->iov.size); + } +} + +static ssize_t usbnet_receive(NetClientState *nc, const uint8_t *buf, size_t size) +{ + USBNetState *s = qemu_get_nic_opaque(nc); + uint8_t *in_buf = s->in_buf; + size_t total_size = size; + + if (!s->dev.config) { + return -1; + } + + if (is_rndis(s)) { + if (s->rndis_state != RNDIS_DATA_INITIALIZED) { + return -1; + } + total_size += sizeof(struct rndis_packet_msg_type); + } + if (total_size > sizeof(s->in_buf)) { + return -1; + } + + /* Only accept packet if input buffer is empty */ + if (s->in_len > 0) { + return 0; + } + + if (is_rndis(s)) { + struct rndis_packet_msg_type *msg; + + msg = (struct rndis_packet_msg_type *)in_buf; + memset(msg, 0, sizeof(struct rndis_packet_msg_type)); + msg->MessageType = cpu_to_le32(RNDIS_PACKET_MSG); + msg->MessageLength = cpu_to_le32(size + sizeof(*msg)); + msg->DataOffset = cpu_to_le32(sizeof(*msg) - 8); + msg->DataLength = cpu_to_le32(size); + /* msg->OOBDataOffset; + * msg->OOBDataLength; + * msg->NumOOBDataElements; + * msg->PerPacketInfoOffset; + * msg->PerPacketInfoLength; + * msg->VcHandle; + * msg->Reserved; + */ + in_buf += sizeof(*msg); + } + + memcpy(in_buf, buf, size); + s->in_len = total_size; + s->in_ptr = 0; + return size; +} + +static void usbnet_cleanup(NetClientState *nc) +{ + USBNetState *s = qemu_get_nic_opaque(nc); + + s->nic = NULL; +} + +static void usb_net_handle_destroy(USBDevice *dev) +{ + USBNetState *s = (USBNetState *) dev; + + /* TODO: remove the nd_table[] entry */ + rndis_clear_responsequeue(s); + qemu_del_nic(s->nic); +} + +static NetClientInfo net_usbnet_info = { + .type = NET_CLIENT_OPTIONS_KIND_NIC, + .size = sizeof(NICState), + .receive = usbnet_receive, + .cleanup = usbnet_cleanup, +}; + +static void usb_net_realize(USBDevice *dev, Error **errrp) +{ + USBNetState *s = USB_NET(dev); + + usb_desc_create_serial(dev); + usb_desc_init(dev); + + s->rndis_state = RNDIS_UNINITIALIZED; + QTAILQ_INIT(&s->rndis_resp); + + s->medium = 0; /* NDIS_MEDIUM_802_3 */ + s->speed = 1000000; /* 100MBps, in 100Bps units */ + s->media_state = 0; /* NDIS_MEDIA_STATE_CONNECTED */; + s->filter = 0; + s->vendorid = 0x1234; + s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1); + + qemu_macaddr_default_if_unset(&s->conf.macaddr); + s->nic = qemu_new_nic(&net_usbnet_info, &s->conf, + object_get_typename(OBJECT(s)), s->dev.qdev.id, s); + qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a); + snprintf(s->usbstring_mac, sizeof(s->usbstring_mac), + "%02x%02x%02x%02x%02x%02x", + 0x40, + s->conf.macaddr.a[1], + s->conf.macaddr.a[2], + s->conf.macaddr.a[3], + s->conf.macaddr.a[4], + s->conf.macaddr.a[5]); + usb_desc_set_string(dev, STRING_ETHADDR, s->usbstring_mac); +} + +static void usb_net_instance_init(Object *obj) +{ + USBDevice *dev = USB_DEVICE(obj); + USBNetState *s = USB_NET(dev); + + device_add_bootindex_property(obj, &s->conf.bootindex, + "bootindex", "/ethernet-phy@0", + &dev->qdev, NULL); +} + +static USBDevice *usb_net_init(USBBus *bus, const char *cmdline) +{ + Error *local_err = NULL; + USBDevice *dev; + QemuOpts *opts; + int idx; + + opts = qemu_opts_parse_noisily(qemu_find_opts("net"), cmdline, false); + if (!opts) { + return NULL; + } + qemu_opt_set(opts, "type", "nic", &error_abort); + qemu_opt_set(opts, "model", "usb", &error_abort); + + idx = net_client_init(opts, 0, &local_err); + if (local_err) { + error_report_err(local_err); + return NULL; + } + + dev = usb_create(bus, "usb-net"); + qdev_set_nic_properties(&dev->qdev, &nd_table[idx]); + return dev; +} + +static const VMStateDescription vmstate_usb_net = { + .name = "usb-net", + .unmigratable = 1, +}; + +static Property net_properties[] = { + DEFINE_NIC_PROPERTIES(USBNetState, conf), + DEFINE_PROP_END_OF_LIST(), +}; + +static void usb_net_class_initfn(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + USBDeviceClass *uc = USB_DEVICE_CLASS(klass); + + uc->realize = usb_net_realize; + uc->product_desc = "QEMU USB Network Interface"; + uc->usb_desc = &desc_net; + uc->handle_reset = usb_net_handle_reset; + uc->handle_control = usb_net_handle_control; + uc->handle_data = usb_net_handle_data; + uc->handle_destroy = usb_net_handle_destroy; + set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); + dc->fw_name = "network"; + dc->vmsd = &vmstate_usb_net; + dc->props = net_properties; +} + +static const TypeInfo net_info = { + .name = TYPE_USB_NET, + .parent = TYPE_USB_DEVICE, + .instance_size = sizeof(USBNetState), + .class_init = usb_net_class_initfn, + .instance_init = usb_net_instance_init, +}; + +static void usb_net_register_types(void) +{ + type_register_static(&net_info); + usb_legacy_register(TYPE_USB_NET, "net", usb_net_init); +} + +type_init(usb_net_register_types) |
