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-rw-r--r--hw/usb-net.c1470
-rw-r--r--hw/usb.h3
2 files changed, 1473 insertions, 0 deletions
diff --git a/hw/usb-net.c b/hw/usb-net.c
new file mode 100644
index 0000000000..0f62f88340
--- /dev/null
+++ b/hw/usb-net.c
@@ -0,0 +1,1470 @@
+/*
+ * 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 "usb.h"
+#include "net.h"
+#include "audio/sys-queue.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_DT_CS_INTERFACE 0x24
+#define USB_DT_CS_ENDPOINT 0x25
+
+#define ClassInterfaceRequest \
+ ((USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8)
+#define ClassInterfaceOutRequest \
+ ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8)
+
+#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 */
+
+/*
+ * mostly the same descriptor as the linux gadget rndis driver
+ */
+static const uint8_t qemu_net_dev_descriptor[] = {
+ 0x12, /* u8 bLength; */
+ USB_DT_DEVICE, /* u8 bDescriptorType; Device */
+ 0x00, 0x02, /* u16 bcdUSB; v2.0 */
+ USB_CLASS_COMM, /* u8 bDeviceClass; */
+ 0x00, /* u8 bDeviceSubClass; */
+ 0x00, /* u8 bDeviceProtocol; [ low/full only ] */
+ 0x40, /* u8 bMaxPacketSize0 */
+ RNDIS_VENDOR_NUM & 0xff, RNDIS_VENDOR_NUM >> 8, /* u16 idVendor; */
+ RNDIS_PRODUCT_NUM & 0xff, RNDIS_PRODUCT_NUM >> 8, /* u16 idProduct; */
+ 0x00, 0x00, /* u16 bcdDevice */
+ STRING_MANUFACTURER, /* u8 iManufacturer; */
+ STRING_PRODUCT, /* u8 iProduct; */
+ STRING_SERIALNUMBER, /* u8 iSerialNumber; */
+ 0x02, /* u8 bNumConfigurations; */
+};
+
+static const uint8_t qemu_net_rndis_config_descriptor[] = {
+ /* Configuration Descriptor */
+ 0x09, /* u8 bLength */
+ USB_DT_CONFIG, /* u8 bDescriptorType */
+ 0x43, 0x00, /* le16 wTotalLength */
+ 0x02, /* u8 bNumInterfaces */
+ DEV_RNDIS_CONFIG_VALUE, /* u8 bConfigurationValue */
+ STRING_RNDIS, /* u8 iConfiguration */
+ 0xc0, /* u8 bmAttributes */
+ 0x32, /* u8 bMaxPower */
+ /* RNDIS Control Interface */
+ 0x09, /* u8 bLength */
+ USB_DT_INTERFACE, /* u8 bDescriptorType */
+ 0x00, /* u8 bInterfaceNumber */
+ 0x00, /* u8 bAlternateSetting */
+ 0x01, /* u8 bNumEndpoints */
+ USB_CLASS_COMM, /* u8 bInterfaceClass */
+ USB_CDC_SUBCLASS_ACM, /* u8 bInterfaceSubClass */
+ USB_CDC_ACM_PROTO_VENDOR, /* u8 bInterfaceProtocol */
+ STRING_RNDIS_CONTROL, /* u8 iInterface */
+ /* Header Descriptor */
+ 0x05, /* u8 bLength */
+ USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
+ USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */
+ 0x10, 0x01, /* le16 bcdCDC */
+ /* Call Management Descriptor */
+ 0x05, /* u8 bLength */
+ USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
+ USB_CDC_CALL_MANAGEMENT_TYPE, /* u8 bDescriptorSubType */
+ 0x00, /* u8 bmCapabilities */
+ 0x01, /* u8 bDataInterface */
+ /* ACM Descriptor */
+ 0x04, /* u8 bLength */
+ USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
+ USB_CDC_ACM_TYPE, /* u8 bDescriptorSubType */
+ 0x00, /* u8 bmCapabilities */
+ /* Union Descriptor */
+ 0x05, /* u8 bLength */
+ USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
+ USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */
+ 0x00, /* u8 bMasterInterface0 */
+ 0x01, /* u8 bSlaveInterface0 */
+ /* Status Descriptor */
+ 0x07, /* u8 bLength */
+ USB_DT_ENDPOINT, /* u8 bDescriptorType */
+ USB_DIR_IN | 1, /* u8 bEndpointAddress */
+ USB_ENDPOINT_XFER_INT, /* u8 bmAttributes */
+ STATUS_BYTECOUNT & 0xff, STATUS_BYTECOUNT >> 8, /* le16 wMaxPacketSize */
+ 1 << LOG2_STATUS_INTERVAL_MSEC, /* u8 bInterval */
+ /* RNDIS Data Interface */
+ 0x09, /* u8 bLength */
+ USB_DT_INTERFACE, /* u8 bDescriptorType */
+ 0x01, /* u8 bInterfaceNumber */
+ 0x00, /* u8 bAlternateSetting */
+ 0x02, /* u8 bNumEndpoints */
+ USB_CLASS_CDC_DATA, /* u8 bInterfaceClass */
+ 0x00, /* u8 bInterfaceSubClass */
+ 0x00, /* u8 bInterfaceProtocol */
+ STRING_DATA, /* u8 iInterface */
+ /* Source Endpoint */
+ 0x07, /* u8 bLength */
+ USB_DT_ENDPOINT, /* u8 bDescriptorType */
+ USB_DIR_IN | 2, /* u8 bEndpointAddress */
+ USB_ENDPOINT_XFER_BULK, /* u8 bmAttributes */
+ 0x40, 0x00, /* le16 wMaxPacketSize */
+ 0x00, /* u8 bInterval */
+ /* Sink Endpoint */
+ 0x07, /* u8 bLength */
+ USB_DT_ENDPOINT, /* u8 bDescriptorType */
+ USB_DIR_OUT | 2, /* u8 bEndpointAddress */
+ USB_ENDPOINT_XFER_BULK, /* u8 bmAttributes */
+ 0x40, 0x00, /* le16 wMaxPacketSize */
+ 0x00 /* u8 bInterval */
+};
+
+static const uint8_t qemu_net_cdc_config_descriptor[] = {
+ /* Configuration Descriptor */
+ 0x09, /* u8 bLength */
+ USB_DT_CONFIG, /* u8 bDescriptorType */
+ 0x50, 0x00, /* le16 wTotalLength */
+ 0x02, /* u8 bNumInterfaces */
+ DEV_CONFIG_VALUE, /* u8 bConfigurationValue */
+ STRING_CDC, /* u8 iConfiguration */
+ 0xc0, /* u8 bmAttributes */
+ 0x32, /* u8 bMaxPower */
+ /* CDC Control Interface */
+ 0x09, /* u8 bLength */
+ USB_DT_INTERFACE, /* u8 bDescriptorType */
+ 0x00, /* u8 bInterfaceNumber */
+ 0x00, /* u8 bAlternateSetting */
+ 0x01, /* u8 bNumEndpoints */
+ USB_CLASS_COMM, /* u8 bInterfaceClass */
+ USB_CDC_SUBCLASS_ETHERNET, /* u8 bInterfaceSubClass */
+ USB_CDC_PROTO_NONE, /* u8 bInterfaceProtocol */
+ STRING_CONTROL, /* u8 iInterface */
+ /* Header Descriptor */
+ 0x05, /* u8 bLength */
+ USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
+ USB_CDC_HEADER_TYPE, /* u8 bDescriptorSubType */
+ 0x10, 0x01, /* le16 bcdCDC */
+ /* Union Descriptor */
+ 0x05, /* u8 bLength */
+ USB_DT_CS_INTERFACE, /* u8 bDescriptorType */
+ USB_CDC_UNION_TYPE, /* u8 bDescriptorSubType */
+ 0x00, /* u8 bMasterInterface0 */
+ 0x01, /* u8 bSlaveInterface0 */
+ /* Ethernet Descriptor */
+ 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 */
+ /* Status Descriptor */
+ 0x07, /* u8 bLength */
+ USB_DT_ENDPOINT, /* u8 bDescriptorType */
+ USB_DIR_IN | 1, /* u8 bEndpointAddress */
+ USB_ENDPOINT_XFER_INT, /* u8 bmAttributes */
+ STATUS_BYTECOUNT & 0xff, STATUS_BYTECOUNT >> 8, /* le16 wMaxPacketSize */
+ 1 << LOG2_STATUS_INTERVAL_MSEC, /* u8 bInterval */
+ /* CDC Data (nop) Interface */
+ 0x09, /* u8 bLength */
+ USB_DT_INTERFACE, /* u8 bDescriptorType */
+ 0x01, /* u8 bInterfaceNumber */
+ 0x00, /* u8 bAlternateSetting */
+ 0x00, /* u8 bNumEndpoints */
+ USB_CLASS_CDC_DATA, /* u8 bInterfaceClass */
+ 0x00, /* u8 bInterfaceSubClass */
+ 0x00, /* u8 bInterfaceProtocol */
+ 0x00, /* u8 iInterface */
+ /* CDC Data Interface */
+ 0x09, /* u8 bLength */
+ USB_DT_INTERFACE, /* u8 bDescriptorType */
+ 0x01, /* u8 bInterfaceNumber */
+ 0x01, /* u8 bAlternateSetting */
+ 0x02, /* u8 bNumEndpoints */
+ USB_CLASS_CDC_DATA, /* u8 bInterfaceClass */
+ 0x00, /* u8 bInterfaceSubClass */
+ 0x00, /* u8 bInterfaceProtocol */
+ STRING_DATA, /* u8 iInterface */
+ /* Source Endpoint */
+ 0x07, /* u8 bLength */
+ USB_DT_ENDPOINT, /* u8 bDescriptorType */
+ USB_DIR_IN | 2, /* u8 bEndpointAddress */
+ USB_ENDPOINT_XFER_BULK, /* u8 bmAttributes */
+ 0x40, 0x00, /* le16 wMaxPacketSize */
+ 0x00, /* u8 bInterval */
+ /* Sink Endpoint */
+ 0x07, /* u8 bLength */
+ USB_DT_ENDPOINT, /* u8 bDescriptorType */
+ USB_DIR_OUT | 2, /* u8 bEndpointAddress */
+ USB_ENDPOINT_XFER_BULK, /* u8 bmAttributes */
+ 0x40, 0x00, /* le16 wMaxPacketSize */
+ 0x00 /* u8 bInterval */
+};
+
+/*
+ * 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 {
+ TAILQ_ENTRY(rndis_response) entries;
+ uint32_t length;
+ uint8_t buf[0];
+};
+
+typedef struct USBNetState {
+ USBDevice dev;
+
+ unsigned int rndis;
+ enum rndis_state rndis_state;
+ uint32_t medium;
+ uint32_t speed;
+ uint32_t media_state;
+ uint16_t filter;
+ uint32_t vendorid;
+ uint8_t mac[6];
+
+ unsigned int out_ptr;
+ uint8_t out_buf[2048];
+
+ USBPacket *inpkt;
+ unsigned int in_ptr, in_len;
+ uint8_t in_buf[2048];
+
+ char usbstring_mac[13];
+ VLANClientState *vc;
+ TAILQ_HEAD(rndis_resp_head, rndis_response) rndis_resp;
+} USBNetState;
+
+static int ndis_query(USBNetState *s, uint32_t oid,
+ uint8_t *inbuf, unsigned int inlen, uint8_t *outbuf)
+{
+ unsigned int i, count;
+
+ switch (oid) {
+ /* general oids (table 4-1) */
+ /* mandatory */
+ case OID_GEN_SUPPORTED_LIST:
+ count = sizeof(oid_supported_list) / sizeof(uint32_t);
+ for (i = 0; i < count; 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:
+ strcpy(outbuf, "QEMU USB RNDIS Net");
+ return strlen(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->mac, 6);
+ return 6;
+
+ /* mandatory */
+ case OID_802_3_CURRENT_ADDRESS:
+ memcpy(outbuf, s->mac, 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;
+
+ TAILQ_REMOVE(&s->rndis_resp, r, entries);
+ ret = r->length;
+ memcpy(buf, r->buf, r->length);
+ qemu_free(r);
+
+ return ret;
+}
+
+static void *rndis_queue_response(USBNetState *s, unsigned int length)
+{
+ struct rndis_response *r =
+ qemu_mallocz(sizeof(struct rndis_response) + length);
+
+ TAILQ_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)) {
+ TAILQ_REMOVE(&s->rndis_resp, r, entries);
+ qemu_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);
+ 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;
+}
+
+static int rndis_parse(USBNetState *s, uint8_t *data, int length)
+{
+ uint32_t msg_type, msg_length;
+ le32 *tmp = (le32 *) data;
+
+ msg_type = le32_to_cpup(tmp++);
+ msg_length = 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 = s->in_ptr = s->in_len = 0;
+ 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 char *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 int usb_net_handle_control(USBDevice *dev, int request, int value,
+ int index, int length, uint8_t *data)
+{
+ USBNetState *s = (USBNetState *) dev;
+ int ret = 0;
+
+ switch(request) {
+ case DeviceRequest | USB_REQ_GET_STATUS:
+ data[0] = (1 << USB_DEVICE_SELF_POWERED) |
+ (dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
+ data[1] = 0x00;
+ ret = 2;
+ break;
+
+ case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
+ if (value == USB_DEVICE_REMOTE_WAKEUP) {
+ dev->remote_wakeup = 0;
+ } else {
+ goto fail;
+ }
+ ret = 0;
+ break;
+
+ case DeviceOutRequest | USB_REQ_SET_FEATURE:
+ if (value == USB_DEVICE_REMOTE_WAKEUP) {
+ dev->remote_wakeup = 1;
+ } else {
+ goto fail;
+ }
+ ret = 0;
+ break;
+
+ case DeviceOutRequest | USB_REQ_SET_ADDRESS:
+ dev->addr = value;
+ ret = 0;
+ break;
+
+ case ClassInterfaceOutRequest | USB_CDC_SEND_ENCAPSULATED_COMMAND:
+ if (!s->rndis || value || index != 0)
+ goto fail;
+#if 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);
+ break;
+
+ case ClassInterfaceRequest | USB_CDC_GET_ENCAPSULATED_RESPONSE:
+ if (!s->rndis || value || index != 0)
+ goto fail;
+ ret = rndis_get_response(s, data);
+ if (!ret) {
+ data[0] = 0;
+ ret = 1;
+ }
+#if TRAFFIC_DEBUG
+ {
+ unsigned int i;
+ fprintf(stderr, "GET_ENCAPSULATED_RESPONSE:");
+ for (i = 0; i < ret; i++) {
+ if (!(i & 15))
+ fprintf(stderr, "\n%04x:", i);
+ fprintf(stderr, " %02x", data[i]);
+ }
+ fprintf(stderr, "\n\n");
+ }
+#endif
+ break;
+
+ case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
+ switch(value >> 8) {
+ case USB_DT_DEVICE:
+ ret = sizeof(qemu_net_dev_descriptor);
+ memcpy(data, qemu_net_dev_descriptor, ret);
+ break;
+
+ case USB_DT_CONFIG:
+ switch (value & 0xff) {
+ case 0:
+ ret = sizeof(qemu_net_rndis_config_descriptor);
+ memcpy(data, qemu_net_rndis_config_descriptor, ret);
+ break;
+
+ case 1:
+ ret = sizeof(qemu_net_cdc_config_descriptor);
+ memcpy(data, qemu_net_cdc_config_descriptor, ret);
+ break;
+
+ default:
+ goto fail;
+ }
+
+ data[2] = ret & 0xff;
+ data[3] = ret >> 8;
+ break;
+
+ case USB_DT_STRING:
+ switch (value & 0xff) {
+ case 0:
+ /* language ids */
+ data[0] = 4;
+ data[1] = 3;
+ data[2] = 0x09;
+ data[3] = 0x04;
+ ret = 4;
+ break;
+
+ case STRING_ETHADDR:
+ ret = set_usb_string(data, s->usbstring_mac);
+ break;
+
+ default:
+ if (usb_net_stringtable[value & 0xff]) {
+ ret = set_usb_string(data,
+ usb_net_stringtable[value & 0xff]);
+ break;
+ }
+
+ goto fail;
+ }
+ break;
+
+ default:
+ goto fail;
+ }
+ break;
+
+ case DeviceRequest | USB_REQ_GET_CONFIGURATION:
+ data[0] = s->rndis ? DEV_RNDIS_CONFIG_VALUE : DEV_CONFIG_VALUE;
+ ret = 1;
+ break;
+
+ case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
+ switch (value & 0xff) {
+ case DEV_CONFIG_VALUE:
+ s->rndis = 0;
+ break;
+
+ case DEV_RNDIS_CONFIG_VALUE:
+ s->rndis = 1;
+ break;
+
+ default:
+ goto fail;
+ }
+ ret = 0;
+ break;
+
+ case DeviceRequest | USB_REQ_GET_INTERFACE:
+ case InterfaceRequest | USB_REQ_GET_INTERFACE:
+ data[0] = 0;
+ ret = 1;
+ break;
+
+ case DeviceOutRequest | USB_REQ_SET_INTERFACE:
+ case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
+ ret = 0;
+ 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);
+ ret = USB_RET_STALL;
+ break;
+ }
+ return ret;
+}
+
+static int usb_net_handle_statusin(USBNetState *s, USBPacket *p)
+{
+ int ret = 8;
+
+ if (p->len < 8)
+ return USB_RET_STALL;
+
+ ((le32 *) p->data)[0] = cpu_to_le32(1);
+ ((le32 *) p->data)[1] = cpu_to_le32(0);
+ if (!s->rndis_resp.tqh_first)
+ ret = USB_RET_NAK;
+
+#if DEBUG
+ fprintf(stderr, "usbnet: interrupt poll len %u return %d", p->len, ret);
+ {
+ int i;
+ fprintf(stderr, ":");
+ for (i = 0; i < ret; i++) {
+ if (!(i & 15))
+ fprintf(stderr, "\n%04x:", i);
+ fprintf(stderr, " %02x", p->data[i]);
+ }
+ fprintf(stderr, "\n\n");
+ }
+#endif
+
+ return ret;
+}
+
+static int usb_net_handle_datain(USBNetState *s, USBPacket *p)
+{
+ int ret = USB_RET_NAK;
+
+ if (s->in_ptr > s->in_len) {
+ s->in_ptr = s->in_len = 0;
+ ret = USB_RET_NAK;
+ return ret;
+ }
+ if (!s->in_len) {
+ ret = USB_RET_NAK;
+ return ret;
+ }
+ ret = s->in_len - s->in_ptr;
+ if (ret > p->len)
+ ret = p->len;
+ memcpy(p->data, &s->in_buf[s->in_ptr], ret);
+ s->in_ptr += ret;
+ if (s->in_ptr >= s->in_len &&
+ (s->rndis || (s->in_len & (64 - 1)) || !ret)) {
+ /* no short packet necessary */
+ s->in_ptr = s->in_len = 0;
+ }
+
+#if TRAFFIC_DEBUG
+ fprintf(stderr, "usbnet: data in len %u return %d", p->len, ret);
+ {
+ int i;
+ fprintf(stderr, ":");
+ for (i = 0; i < ret; i++) {
+ if (!(i & 15))
+ fprintf(stderr, "\n%04x:", i);
+ fprintf(stderr, " %02x", p->data[i]);
+ }
+ fprintf(stderr, "\n\n");
+ }
+#endif
+
+ return ret;
+}
+
+static int usb_net_handle_dataout(USBNetState *s, USBPacket *p)
+{
+ int ret = p->len;
+ 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;
+
+#if TRAFFIC_DEBUG
+ fprintf(stderr, "usbnet: data out len %u\n", p->len);
+ {
+ int i;
+ fprintf(stderr, ":");
+ for (i = 0; i < p->len; i++) {
+ if (!(i & 15))
+ fprintf(stderr, "\n%04x:", i);
+ fprintf(stderr, " %02x", p->data[i]);
+ }
+ fprintf(stderr, "\n\n");
+ }
+#endif
+
+ if (sz > ret)
+ sz = ret;
+ memcpy(&s->out_buf[s->out_ptr], p->data, sz);
+ s->out_ptr += sz;
+
+ if (!s->rndis) {
+ if (ret < 64) {
+ qemu_send_packet(s->vc, s->out_buf, s->out_ptr);
+ s->out_ptr = 0;
+ }
+ return ret;
+ }
+ len = le32_to_cpu(msg->MessageLength);
+ if (s->out_ptr < 8 || s->out_ptr < len)
+ return ret;
+ 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(s->vc, s->out_buf + offs, size);
+ }
+ s->out_ptr -= len;
+ memmove(s->out_buf, &s->out_buf[len], s->out_ptr);
+
+ return ret;
+}
+
+static int usb_net_handle_data(USBDevice *dev, USBPacket *p)
+{
+ USBNetState *s = (USBNetState *) dev;
+ int ret = 0;
+
+ switch(p->pid) {
+ case USB_TOKEN_IN:
+ switch (p->devep) {
+ case 1:
+ ret = usb_net_handle_statusin(s, p);
+ break;
+
+ case 2:
+ ret = usb_net_handle_datain(s, p);
+ break;
+
+ default:
+ goto fail;
+ }
+ break;
+
+ case USB_TOKEN_OUT:
+ switch (p->devep) {
+ case 2:
+ ret = usb_net_handle_dataout(s, p);
+ break;
+
+ default:
+ goto fail;
+ }
+ break;
+
+ default:
+ fail:
+ ret = USB_RET_STALL;
+ break;
+ }
+ if (ret == USB_RET_STALL)
+ fprintf(stderr, "usbnet: failed data transaction: "
+ "pid 0x%x ep 0x%x len 0x%x\n",
+ p->pid, p->devep, p->len);
+ return ret;
+}
+
+static void usbnet_receive(void *opaque, const uint8_t *buf, int size)
+{
+ USBNetState *s = opaque;
+ struct rndis_packet_msg_type *msg;
+
+ if (s->rndis) {
+ msg = (struct rndis_packet_msg_type *) s->in_buf;
+ if (!s->rndis_state == RNDIS_DATA_INITIALIZED)
+ return;
+ if (size + sizeof(struct rndis_packet_msg_type) > sizeof(s->in_buf))
+ return;
+
+ memset(msg, 0, sizeof(struct rndis_packet_msg_type));
+ msg->MessageType = cpu_to_le32(RNDIS_PACKET_MSG);
+ msg->MessageLength = cpu_to_le32(size + sizeof(struct rndis_packet_msg_type));
+ msg->DataOffset = cpu_to_le32(sizeof(struct rndis_packet_msg_type) - 8);
+ msg->DataLength = cpu_to_le32(size);
+ /* msg->OOBDataOffset;
+ * msg->OOBDataLength;
+ * msg->NumOOBDataElements;
+ * msg->PerPacketInfoOffset;
+ * msg->PerPacketInfoLength;
+ * msg->VcHandle;
+ * msg->Reserved;
+ */
+ memcpy(msg + 1, buf, size);
+ s->in_len = size + sizeof(struct rndis_packet_msg_type);
+ } else {
+ if (size > sizeof(s->in_buf))
+ return;
+ memcpy(s->in_buf, buf, size);
+ s->in_len = size;
+ }
+ s->in_ptr = 0;
+}
+
+static int usbnet_can_receive(void *opaque)
+{
+ USBNetState *s = opaque;
+
+ if (s->rndis && !s->rndis_state == RNDIS_DATA_INITIALIZED)
+ return 1;
+
+ return !s->in_len;
+}
+
+static void usb_net_handle_destroy(USBDevice *dev)
+{
+ USBNetState *s = (USBNetState *) dev;
+
+ /* FIXME: delete the VLAN client and the nic */
+ rndis_clear_responsequeue(s);
+ qemu_free(s);
+}
+
+USBDevice *usb_net_init(NICInfo *nd)
+{
+ USBNetState *s;
+
+ s = qemu_mallocz(sizeof(USBNetState));
+ if (!s)
+ return NULL;
+ s->dev.speed = USB_SPEED_FULL;
+ s->dev.handle_packet = usb_generic_handle_packet;
+
+ s->dev.handle_reset = usb_net_handle_reset;
+ s->dev.handle_control = usb_net_handle_control;
+ s->dev.handle_data = usb_net_handle_data;
+ s->dev.handle_destroy = usb_net_handle_destroy;
+
+ s->rndis = 1;
+ s->rndis_state = RNDIS_UNINITIALIZED;
+ 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;
+
+ memcpy(s->mac, nd->macaddr, 6);
+ TAILQ_INIT(&s->rndis_resp);
+
+ pstrcpy(s->dev.devname, sizeof(s->dev.devname),
+ "QEMU USB Network Interface");
+ s->vc = qemu_new_vlan_client(nd->vlan,
+ usbnet_receive, usbnet_can_receive, s);
+
+ snprintf(s->usbstring_mac, sizeof(s->usbstring_mac),
+ "%02x%02x%02x%02x%02x%02x",
+ 0x40, s->mac[1], s->mac[2],
+ s->mac[3], s->mac[4], s->mac[5]);
+ snprintf(s->vc->info_str, sizeof(s->vc->info_str),
+ "usbnet macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
+ s->mac[0], s->mac[1], s->mac[2],
+ s->mac[3], s->mac[4], s->mac[5]);
+ fprintf(stderr, "usbnet: initialized mac %02x:%02x:%02x:%02x:%02x:%02x\n",
+ s->mac[0], s->mac[1], s->mac[2],
+ s->mac[3], s->mac[4], s->mac[5]);
+
+ return (USBDevice *) s;
+}
diff --git a/hw/usb.h b/hw/usb.h
index 9b759d4560..8bdc68d545 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -219,6 +219,9 @@ USBDevice *usb_keyboard_init(void);
/* usb-msd.c */
USBDevice *usb_msd_init(const char *filename);
+/* usb-net.c */
+USBDevice *usb_net_init(NICInfo *nd);
+
/* usb-wacom.c */
USBDevice *usb_wacom_init(void);
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-18 20:16:00 +0000