--- /dev/null
+/*
+ * 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->bConfigurationValue == DEV_RNDIS_CONFIG_VALUE;
+}
+
+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 (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 (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 + 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)
Code Review / kvmfornfv.git / blobdiff