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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-common.h"
#include "hw/usb.h"
#include "hw/usb/desc.h"
#include "net/net.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 = 0xc0,
.bMaxPower = 0x32,
.nif = ARRAY_SIZE(desc_iface_rndis),
.ifs = desc_iface_rndis,
},{
.bNumInterfaces = 2,
.bConfigurationValue = DEV_CONFIG_VALUE,
.iConfiguration = STRING_CDC,
.bmAttributes = 0xc0,
.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];
USBPacket *inpkt;
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;
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)