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qemu/hw/usb/dev-network.c

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/*
* 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/osdep.h"
#include "qapi/error.h"
#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"
#include "qemu/cutils.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++) {
stl_le_p(outbuf + (i * sizeof(le32)), oid_supported_list[i]);
}
return sizeof(oid_supported_list);
/* mandatory */
case OID_GEN_HARDWARE_STATUS:
stl_le_p(outbuf, 0);
return sizeof(le32);
/* mandatory */
case OID_GEN_MEDIA_SUPPORTED:
stl_le_p(outbuf, s->medium);
return sizeof(le32);
/* mandatory */
case OID_GEN_MEDIA_IN_USE:
stl_le_p(outbuf, s->medium);
return sizeof(le32);
/* mandatory */
case OID_GEN_MAXIMUM_FRAME_SIZE:
stl_le_p(outbuf, ETH_FRAME_LEN);
return sizeof(le32);
/* mandatory */
case OID_GEN_LINK_SPEED:
stl_le_p(outbuf, s->speed);
return sizeof(le32);
/* mandatory */
case OID_GEN_TRANSMIT_BLOCK_SIZE:
stl_le_p(outbuf, ETH_FRAME_LEN);
return sizeof(le32);
/* mandatory */
case OID_GEN_RECEIVE_BLOCK_SIZE:
stl_le_p(outbuf, ETH_FRAME_LEN);
return sizeof(le32);
/* mandatory */
case OID_GEN_VENDOR_ID:
stl_le_p(outbuf, 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:
stl_le_p(outbuf, 1);
return sizeof(le32);
/* mandatory */
case OID_GEN_CURRENT_PACKET_FILTER:
stl_le_p(outbuf, s->filter);
return sizeof(le32);
/* mandatory */
case OID_GEN_MAXIMUM_TOTAL_SIZE:
stl_le_p(outbuf, RNDIS_MAX_TOTAL_SIZE);
return sizeof(le32);
/* mandatory */
case OID_GEN_MEDIA_CONNECT_STATUS:
stl_le_p(outbuf, s->media_state);
return sizeof(le32);
case OID_GEN_PHYSICAL_MEDIUM:
stl_le_p(outbuf, 0);
return sizeof(le32);
case OID_GEN_MAC_OPTIONS:
stl_le_p(outbuf, NDIS_MAC_OPTION_RECEIVE_SERIALIZED |
NDIS_MAC_OPTION_FULL_DUPLEX);
return sizeof(le32);
/* statistics OIDs (table 4-2) */
/* mandatory */
case OID_GEN_XMIT_OK:
stl_le_p(outbuf, 0);
return sizeof(le32);
/* mandatory */
case OID_GEN_RCV_OK:
stl_le_p(outbuf, 0);
return sizeof(le32);
/* mandatory */
case OID_GEN_XMIT_ERROR:
stl_le_p(outbuf, 0);
return sizeof(le32);
/* mandatory */
case OID_GEN_RCV_ERROR:
stl_le_p(outbuf, 0);
return sizeof(le32);
/* mandatory */
case OID_GEN_RCV_NO_BUFFER:
stl_le_p(outbuf, 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:
stl_le_p(outbuf, 0xe0000000);
return sizeof(le32);
/* mandatory */
case OID_802_3_MAXIMUM_LIST_SIZE:
stl_le_p(outbuf, 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:
stl_le_p(outbuf, 0);
return sizeof(le32);
/* mandatory */
case OID_802_3_XMIT_ONE_COLLISION:
stl_le_p(outbuf, 0);
return sizeof(le32);
/* mandatory */
case OID_802_3_XMIT_MORE_COLLISIONS:
stl_le_p(outbuf, 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 = ldl_le_p(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 = ldl_le_p(data);
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_unrealize(USBDevice *dev, Error **errp)
{
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_DRIVER_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, false, &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->unrealize = usb_net_unrealize;
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)
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