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/*
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 * QEMU USB Net devices
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 *
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 * Copyright (c) 2006 Thomas Sailer
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 * Copyright (c) 2008 Andrzej Zaborowski
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
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 */
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#include "qemu-common.h"
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#include "usb.h"
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#include "usb-desc.h"
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#include "net.h"
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#include "qemu-queue.h"
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#include "sysemu.h"
32

    
33
/*#define TRAFFIC_DEBUG*/
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/* Thanks to NetChip Technologies for donating this product ID.
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 * It's for devices with only CDC Ethernet configurations.
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 */
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#define CDC_VENDOR_NUM          0x0525  /* NetChip */
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#define CDC_PRODUCT_NUM         0xa4a1  /* Linux-USB Ethernet Gadget */
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/* For hardware that can talk RNDIS and either of the above protocols,
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 * use this ID ... the windows INF files will know it.
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 */
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#define RNDIS_VENDOR_NUM        0x0525  /* NetChip */
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#define RNDIS_PRODUCT_NUM       0xa4a2  /* Ethernet/RNDIS Gadget */
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enum usbstring_idx {
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    STRING_MANUFACTURER                = 1,
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    STRING_PRODUCT,
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    STRING_ETHADDR,
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    STRING_DATA,
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    STRING_CONTROL,
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    STRING_RNDIS_CONTROL,
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    STRING_CDC,
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    STRING_SUBSET,
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    STRING_RNDIS,
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    STRING_SERIALNUMBER,
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};
57

    
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#define DEV_CONFIG_VALUE                1        /* CDC or a subset */
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#define DEV_RNDIS_CONFIG_VALUE                2        /* RNDIS; optional */
60

    
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#define USB_CDC_SUBCLASS_ACM                0x02
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#define USB_CDC_SUBCLASS_ETHERNET        0x06
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#define USB_CDC_PROTO_NONE                0
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#define USB_CDC_ACM_PROTO_VENDOR        0xff
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#define USB_CDC_HEADER_TYPE                0x00        /* header_desc */
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#define USB_CDC_CALL_MANAGEMENT_TYPE        0x01        /* call_mgmt_descriptor */
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#define USB_CDC_ACM_TYPE                0x02        /* acm_descriptor */
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#define USB_CDC_UNION_TYPE                0x06        /* union_desc */
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#define USB_CDC_ETHERNET_TYPE                0x0f        /* ether_desc */
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#define USB_DT_CS_INTERFACE                0x24
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#define USB_DT_CS_ENDPOINT                0x25
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#define USB_CDC_SEND_ENCAPSULATED_COMMAND        0x00
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#define USB_CDC_GET_ENCAPSULATED_RESPONSE        0x01
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#define USB_CDC_REQ_SET_LINE_CODING                0x20
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#define USB_CDC_REQ_GET_LINE_CODING                0x21
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#define USB_CDC_REQ_SET_CONTROL_LINE_STATE        0x22
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#define USB_CDC_REQ_SEND_BREAK                        0x23
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#define USB_CDC_SET_ETHERNET_MULTICAST_FILTERS        0x40
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#define USB_CDC_SET_ETHERNET_PM_PATTERN_FILTER        0x41
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#define USB_CDC_GET_ETHERNET_PM_PATTERN_FILTER        0x42
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#define USB_CDC_SET_ETHERNET_PACKET_FILTER        0x43
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#define USB_CDC_GET_ETHERNET_STATISTIC                0x44
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88
#define LOG2_STATUS_INTERVAL_MSEC        5    /* 1 << 5 == 32 msec */
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#define STATUS_BYTECOUNT                16   /* 8 byte header + data */
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91
#define ETH_FRAME_LEN                        1514 /* Max. octets in frame sans FCS */
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static const USBDescStrings usb_net_stringtable = {
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    [STRING_MANUFACTURER]       = "QEMU",
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    [STRING_PRODUCT]            = "RNDIS/QEMU USB Network Device",
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    [STRING_ETHADDR]            = "400102030405",
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    [STRING_DATA]               = "QEMU USB Net Data Interface",
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    [STRING_CONTROL]            = "QEMU USB Net Control Interface",
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    [STRING_RNDIS_CONTROL]      = "QEMU USB Net RNDIS Control Interface",
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    [STRING_CDC]                = "QEMU USB Net CDC",
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    [STRING_SUBSET]             = "QEMU USB Net Subset",
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    [STRING_RNDIS]              = "QEMU USB Net RNDIS",
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    [STRING_SERIALNUMBER]       = "1",
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};
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static const USBDescIface desc_iface_rndis[] = {
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    {
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        /* RNDIS Control Interface */
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        .bInterfaceNumber              = 0,
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        .bNumEndpoints                 = 1,
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        .bInterfaceClass               = USB_CLASS_COMM,
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        .bInterfaceSubClass            = USB_CDC_SUBCLASS_ACM,
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        .bInterfaceProtocol            = USB_CDC_ACM_PROTO_VENDOR,
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        .iInterface                    = STRING_RNDIS_CONTROL,
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        .ndesc                         = 4,
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        .descs = (USBDescOther[]) {
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            {
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                /* Header Descriptor */
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                .data = (uint8_t[]) {
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                    0x05,                       /*  u8    bLength */
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                    USB_DT_CS_INTERFACE,        /*  u8    bDescriptorType */
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                    USB_CDC_HEADER_TYPE,        /*  u8    bDescriptorSubType */
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                    0x10, 0x01,                 /*  le16  bcdCDC */
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                },
125
            },{
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                /* Call Management Descriptor */
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                .data = (uint8_t[]) {
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                    0x05,                       /*  u8    bLength */
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                    USB_DT_CS_INTERFACE,        /*  u8    bDescriptorType */
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                    USB_CDC_CALL_MANAGEMENT_TYPE, /*  u8    bDescriptorSubType */
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                    0x00,                       /*  u8    bmCapabilities */
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                    0x01,                       /*  u8    bDataInterface */
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                },
134
            },{
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                /* ACM Descriptor */
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                .data = (uint8_t[]) {
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                    0x04,                       /*  u8    bLength */
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                    USB_DT_CS_INTERFACE,        /*  u8    bDescriptorType */
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                    USB_CDC_ACM_TYPE,           /*  u8    bDescriptorSubType */
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                    0x00,                       /*  u8    bmCapabilities */
141
                },
142
            },{
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                /* Union Descriptor */
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                .data = (uint8_t[]) {
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                    0x05,                       /*  u8    bLength */
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                    USB_DT_CS_INTERFACE,        /*  u8    bDescriptorType */
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                    USB_CDC_UNION_TYPE,         /*  u8    bDescriptorSubType */
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                    0x00,                       /*  u8    bMasterInterface0 */
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                    0x01,                       /*  u8    bSlaveInterface0 */
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                },
151
            },
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        },
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        .eps = (USBDescEndpoint[]) {
154
            {
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                .bEndpointAddress      = USB_DIR_IN | 0x01,
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                .bmAttributes          = USB_ENDPOINT_XFER_INT,
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                .wMaxPacketSize        = STATUS_BYTECOUNT,
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                .bInterval             = 1 << LOG2_STATUS_INTERVAL_MSEC,
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            },
160
        }
161
    },{
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        /* RNDIS Data Interface */
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        .bInterfaceNumber              = 1,
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        .bNumEndpoints                 = 2,
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        .bInterfaceClass               = USB_CLASS_CDC_DATA,
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        .iInterface                    = STRING_DATA,
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        .eps = (USBDescEndpoint[]) {
168
            {
169
                .bEndpointAddress      = USB_DIR_IN | 0x02,
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                .bmAttributes          = USB_ENDPOINT_XFER_BULK,
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                .wMaxPacketSize        = 0x40,
172
            },{
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                .bEndpointAddress      = USB_DIR_OUT | 0x02,
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                .bmAttributes          = USB_ENDPOINT_XFER_BULK,
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                .wMaxPacketSize        = 0x40,
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            }
177
        }
178
    }
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};
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static const USBDescIface desc_iface_cdc[] = {
182
    {
183
        /* CDC Control Interface */
184
        .bInterfaceNumber              = 0,
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        .bNumEndpoints                 = 1,
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        .bInterfaceClass               = USB_CLASS_COMM,
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        .bInterfaceSubClass            = USB_CDC_SUBCLASS_ETHERNET,
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        .bInterfaceProtocol            = USB_CDC_PROTO_NONE,
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        .iInterface                    = STRING_CONTROL,
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        .ndesc                         = 3,
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        .descs = (USBDescOther[]) {
192
            {
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                /* Header Descriptor */
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                .data = (uint8_t[]) {
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                    0x05,                       /*  u8    bLength */
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                    USB_DT_CS_INTERFACE,        /*  u8    bDescriptorType */
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                    USB_CDC_HEADER_TYPE,        /*  u8    bDescriptorSubType */
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                    0x10, 0x01,                 /*  le16  bcdCDC */
199
                },
200
            },{
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                /* Union Descriptor */
202
                .data = (uint8_t[]) {
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                    0x05,                       /*  u8    bLength */
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                    USB_DT_CS_INTERFACE,        /*  u8    bDescriptorType */
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                    USB_CDC_UNION_TYPE,         /*  u8    bDescriptorSubType */
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                    0x00,                       /*  u8    bMasterInterface0 */
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                    0x01,                       /*  u8    bSlaveInterface0 */
208
                },
209
            },{
210
                /* Ethernet Descriptor */
211
                .data = (uint8_t[]) {
212
                    0x0d,                       /*  u8    bLength */
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                    USB_DT_CS_INTERFACE,        /*  u8    bDescriptorType */
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                    USB_CDC_ETHERNET_TYPE,      /*  u8    bDescriptorSubType */
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                    STRING_ETHADDR,             /*  u8    iMACAddress */
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                    0x00, 0x00, 0x00, 0x00,     /*  le32  bmEthernetStatistics */
217
                    ETH_FRAME_LEN & 0xff,
218
                    ETH_FRAME_LEN >> 8,         /*  le16  wMaxSegmentSize */
219
                    0x00, 0x00,                 /*  le16  wNumberMCFilters */
220
                    0x00,                       /*  u8    bNumberPowerFilters */
221
                },
222
            },
223
        },
224
        .eps = (USBDescEndpoint[]) {
225
            {
226
                .bEndpointAddress      = USB_DIR_IN | 0x01,
227
                .bmAttributes          = USB_ENDPOINT_XFER_INT,
228
                .wMaxPacketSize        = STATUS_BYTECOUNT,
229
                .bInterval             = 1 << LOG2_STATUS_INTERVAL_MSEC,
230
            },
231
        }
232
    },{
233
        /* CDC Data Interface (off) */
234
        .bInterfaceNumber              = 1,
235
        .bAlternateSetting             = 0,
236
        .bNumEndpoints                 = 0,
237
        .bInterfaceClass               = USB_CLASS_CDC_DATA,
238
    },{
239
        /* CDC Data Interface */
240
        .bInterfaceNumber              = 1,
241
        .bAlternateSetting             = 1,
242
        .bNumEndpoints                 = 2,
243
        .bInterfaceClass               = USB_CLASS_CDC_DATA,
244
        .iInterface                    = STRING_DATA,
245
        .eps = (USBDescEndpoint[]) {
246
            {
247
                .bEndpointAddress      = USB_DIR_IN | 0x02,
248
                .bmAttributes          = USB_ENDPOINT_XFER_BULK,
249
                .wMaxPacketSize        = 0x40,
250
            },{
251
                .bEndpointAddress      = USB_DIR_OUT | 0x02,
252
                .bmAttributes          = USB_ENDPOINT_XFER_BULK,
253
                .wMaxPacketSize        = 0x40,
254
            }
255
        }
256
    }
257
};
258

    
259
static const USBDescDevice desc_device_net = {
260
    .bcdUSB                        = 0x0200,
261
    .bDeviceClass                  = USB_CLASS_COMM,
262
    .bMaxPacketSize0               = 0x40,
263
    .bNumConfigurations            = 2,
264
    .confs = (USBDescConfig[]) {
265
        {
266
            .bNumInterfaces        = 2,
267
            .bConfigurationValue   = DEV_RNDIS_CONFIG_VALUE,
268
            .iConfiguration        = STRING_RNDIS,
269
            .bmAttributes          = 0xc0,
270
            .bMaxPower             = 0x32,
271
            .nif = ARRAY_SIZE(desc_iface_rndis),
272
            .ifs = desc_iface_rndis,
273
        },{
274
            .bNumInterfaces        = 2,
275
            .bConfigurationValue   = DEV_CONFIG_VALUE,
276
            .iConfiguration        = STRING_CDC,
277
            .bmAttributes          = 0xc0,
278
            .bMaxPower             = 0x32,
279
            .nif = ARRAY_SIZE(desc_iface_cdc),
280
            .ifs = desc_iface_cdc,
281
        }
282
    },
283
};
284

    
285
static const USBDesc desc_net = {
286
    .id = {
287
        .idVendor          = RNDIS_VENDOR_NUM,
288
        .idProduct         = RNDIS_PRODUCT_NUM,
289
        .bcdDevice         = 0,
290
        .iManufacturer     = STRING_MANUFACTURER,
291
        .iProduct          = STRING_PRODUCT,
292
        .iSerialNumber     = STRING_SERIALNUMBER,
293
    },
294
    .full = &desc_device_net,
295
    .str  = usb_net_stringtable,
296
};
297

    
298
/*
299
 * RNDIS Definitions - in theory not specific to USB.
300
 */
301
#define RNDIS_MAXIMUM_FRAME_SIZE        1518
302
#define RNDIS_MAX_TOTAL_SIZE                1558
303

    
304
/* Remote NDIS Versions */
305
#define RNDIS_MAJOR_VERSION                1
306
#define RNDIS_MINOR_VERSION                0
307

    
308
/* Status Values */
309
#define RNDIS_STATUS_SUCCESS                0x00000000U /* Success */
310
#define RNDIS_STATUS_FAILURE                0xc0000001U /* Unspecified error */
311
#define RNDIS_STATUS_INVALID_DATA        0xc0010015U /* Invalid data */
312
#define RNDIS_STATUS_NOT_SUPPORTED        0xc00000bbU /* Unsupported request */
313
#define RNDIS_STATUS_MEDIA_CONNECT        0x4001000bU /* Device connected */
314
#define RNDIS_STATUS_MEDIA_DISCONNECT        0x4001000cU /* Device disconnected */
315

    
316
/* Message Set for Connectionless (802.3) Devices */
317
enum {
318
    RNDIS_PACKET_MSG                = 1,
319
    RNDIS_INITIALIZE_MSG        = 2,        /* Initialize device */
320
    RNDIS_HALT_MSG                = 3,
321
    RNDIS_QUERY_MSG                = 4,
322
    RNDIS_SET_MSG                = 5,
323
    RNDIS_RESET_MSG                = 6,
324
    RNDIS_INDICATE_STATUS_MSG        = 7,
325
    RNDIS_KEEPALIVE_MSG                = 8,
326
};
327

    
328
/* Message completion */
329
enum {
330
    RNDIS_INITIALIZE_CMPLT        = 0x80000002U,
331
    RNDIS_QUERY_CMPLT                = 0x80000004U,
332
    RNDIS_SET_CMPLT                = 0x80000005U,
333
    RNDIS_RESET_CMPLT                = 0x80000006U,
334
    RNDIS_KEEPALIVE_CMPLT        = 0x80000008U,
335
};
336

    
337
/* Device Flags */
338
enum {
339
    RNDIS_DF_CONNECTIONLESS        = 1,
340
    RNDIS_DF_CONNECTIONORIENTED        = 2,
341
};
342

    
343
#define RNDIS_MEDIUM_802_3                0x00000000U
344

    
345
/* from drivers/net/sk98lin/h/skgepnmi.h */
346
#define OID_PNP_CAPABILITIES                0xfd010100
347
#define OID_PNP_SET_POWER                0xfd010101
348
#define OID_PNP_QUERY_POWER                0xfd010102
349
#define OID_PNP_ADD_WAKE_UP_PATTERN        0xfd010103
350
#define OID_PNP_REMOVE_WAKE_UP_PATTERN        0xfd010104
351
#define OID_PNP_ENABLE_WAKE_UP                0xfd010106
352

    
353
typedef uint32_t le32;
354

    
355
typedef struct rndis_init_msg_type {
356
    le32 MessageType;
357
    le32 MessageLength;
358
    le32 RequestID;
359
    le32 MajorVersion;
360
    le32 MinorVersion;
361
    le32 MaxTransferSize;
362
} rndis_init_msg_type;
363

    
364
typedef struct rndis_init_cmplt_type {
365
    le32 MessageType;
366
    le32 MessageLength;
367
    le32 RequestID;
368
    le32 Status;
369
    le32 MajorVersion;
370
    le32 MinorVersion;
371
    le32 DeviceFlags;
372
    le32 Medium;
373
    le32 MaxPacketsPerTransfer;
374
    le32 MaxTransferSize;
375
    le32 PacketAlignmentFactor;
376
    le32 AFListOffset;
377
    le32 AFListSize;
378
} rndis_init_cmplt_type;
379

    
380
typedef struct rndis_halt_msg_type {
381
    le32 MessageType;
382
    le32 MessageLength;
383
    le32 RequestID;
384
} rndis_halt_msg_type;
385

    
386
typedef struct rndis_query_msg_type {
387
    le32 MessageType;
388
    le32 MessageLength;
389
    le32 RequestID;
390
    le32 OID;
391
    le32 InformationBufferLength;
392
    le32 InformationBufferOffset;
393
    le32 DeviceVcHandle;
394
} rndis_query_msg_type;
395

    
396
typedef struct rndis_query_cmplt_type {
397
    le32 MessageType;
398
    le32 MessageLength;
399
    le32 RequestID;
400
    le32 Status;
401
    le32 InformationBufferLength;
402
    le32 InformationBufferOffset;
403
} rndis_query_cmplt_type;
404

    
405
typedef struct rndis_set_msg_type {
406
    le32 MessageType;
407
    le32 MessageLength;
408
    le32 RequestID;
409
    le32 OID;
410
    le32 InformationBufferLength;
411
    le32 InformationBufferOffset;
412
    le32 DeviceVcHandle;
413
} rndis_set_msg_type;
414

    
415
typedef struct rndis_set_cmplt_type {
416
    le32 MessageType;
417
    le32 MessageLength;
418
    le32 RequestID;
419
    le32 Status;
420
} rndis_set_cmplt_type;
421

    
422
typedef struct rndis_reset_msg_type {
423
    le32 MessageType;
424
    le32 MessageLength;
425
    le32 Reserved;
426
} rndis_reset_msg_type;
427

    
428
typedef struct rndis_reset_cmplt_type {
429
    le32 MessageType;
430
    le32 MessageLength;
431
    le32 Status;
432
    le32 AddressingReset;
433
} rndis_reset_cmplt_type;
434

    
435
typedef struct rndis_indicate_status_msg_type {
436
    le32 MessageType;
437
    le32 MessageLength;
438
    le32 Status;
439
    le32 StatusBufferLength;
440
    le32 StatusBufferOffset;
441
} rndis_indicate_status_msg_type;
442

    
443
typedef struct rndis_keepalive_msg_type {
444
    le32 MessageType;
445
    le32 MessageLength;
446
    le32 RequestID;
447
} rndis_keepalive_msg_type;
448

    
449
typedef struct rndis_keepalive_cmplt_type {
450
    le32 MessageType;
451
    le32 MessageLength;
452
    le32 RequestID;
453
    le32 Status;
454
} rndis_keepalive_cmplt_type;
455

    
456
struct rndis_packet_msg_type {
457
    le32 MessageType;
458
    le32 MessageLength;
459
    le32 DataOffset;
460
    le32 DataLength;
461
    le32 OOBDataOffset;
462
    le32 OOBDataLength;
463
    le32 NumOOBDataElements;
464
    le32 PerPacketInfoOffset;
465
    le32 PerPacketInfoLength;
466
    le32 VcHandle;
467
    le32 Reserved;
468
};
469

    
470
struct rndis_config_parameter {
471
    le32 ParameterNameOffset;
472
    le32 ParameterNameLength;
473
    le32 ParameterType;
474
    le32 ParameterValueOffset;
475
    le32 ParameterValueLength;
476
};
477

    
478
/* implementation specific */
479
enum rndis_state
480
{
481
    RNDIS_UNINITIALIZED,
482
    RNDIS_INITIALIZED,
483
    RNDIS_DATA_INITIALIZED,
484
};
485

    
486
/* from ndis.h */
487
enum ndis_oid {
488
    /* Required Object IDs (OIDs) */
489
    OID_GEN_SUPPORTED_LIST                = 0x00010101,
490
    OID_GEN_HARDWARE_STATUS                = 0x00010102,
491
    OID_GEN_MEDIA_SUPPORTED                = 0x00010103,
492
    OID_GEN_MEDIA_IN_USE                = 0x00010104,
493
    OID_GEN_MAXIMUM_LOOKAHEAD                = 0x00010105,
494
    OID_GEN_MAXIMUM_FRAME_SIZE                = 0x00010106,
495
    OID_GEN_LINK_SPEED                        = 0x00010107,
496
    OID_GEN_TRANSMIT_BUFFER_SPACE        = 0x00010108,
497
    OID_GEN_RECEIVE_BUFFER_SPACE        = 0x00010109,
498
    OID_GEN_TRANSMIT_BLOCK_SIZE                = 0x0001010a,
499
    OID_GEN_RECEIVE_BLOCK_SIZE                = 0x0001010b,
500
    OID_GEN_VENDOR_ID                        = 0x0001010c,
501
    OID_GEN_VENDOR_DESCRIPTION                = 0x0001010d,
502
    OID_GEN_CURRENT_PACKET_FILTER        = 0x0001010e,
503
    OID_GEN_CURRENT_LOOKAHEAD                = 0x0001010f,
504
    OID_GEN_DRIVER_VERSION                = 0x00010110,
505
    OID_GEN_MAXIMUM_TOTAL_SIZE                = 0x00010111,
506
    OID_GEN_PROTOCOL_OPTIONS                = 0x00010112,
507
    OID_GEN_MAC_OPTIONS                        = 0x00010113,
508
    OID_GEN_MEDIA_CONNECT_STATUS        = 0x00010114,
509
    OID_GEN_MAXIMUM_SEND_PACKETS        = 0x00010115,
510
    OID_GEN_VENDOR_DRIVER_VERSION        = 0x00010116,
511
    OID_GEN_SUPPORTED_GUIDS                = 0x00010117,
512
    OID_GEN_NETWORK_LAYER_ADDRESSES        = 0x00010118,
513
    OID_GEN_TRANSPORT_HEADER_OFFSET        = 0x00010119,
514
    OID_GEN_MACHINE_NAME                = 0x0001021a,
515
    OID_GEN_RNDIS_CONFIG_PARAMETER        = 0x0001021b,
516
    OID_GEN_VLAN_ID                        = 0x0001021c,
517

    
518
    /* Optional OIDs */
519
    OID_GEN_MEDIA_CAPABILITIES                = 0x00010201,
520
    OID_GEN_PHYSICAL_MEDIUM                = 0x00010202,
521

    
522
    /* Required statistics OIDs */
523
    OID_GEN_XMIT_OK                        = 0x00020101,
524
    OID_GEN_RCV_OK                        = 0x00020102,
525
    OID_GEN_XMIT_ERROR                        = 0x00020103,
526
    OID_GEN_RCV_ERROR                        = 0x00020104,
527
    OID_GEN_RCV_NO_BUFFER                = 0x00020105,
528

    
529
    /* Optional statistics OIDs */
530
    OID_GEN_DIRECTED_BYTES_XMIT                = 0x00020201,
531
    OID_GEN_DIRECTED_FRAMES_XMIT        = 0x00020202,
532
    OID_GEN_MULTICAST_BYTES_XMIT        = 0x00020203,
533
    OID_GEN_MULTICAST_FRAMES_XMIT        = 0x00020204,
534
    OID_GEN_BROADCAST_BYTES_XMIT        = 0x00020205,
535
    OID_GEN_BROADCAST_FRAMES_XMIT        = 0x00020206,
536
    OID_GEN_DIRECTED_BYTES_RCV                = 0x00020207,
537
    OID_GEN_DIRECTED_FRAMES_RCV                = 0x00020208,
538
    OID_GEN_MULTICAST_BYTES_RCV                = 0x00020209,
539
    OID_GEN_MULTICAST_FRAMES_RCV        = 0x0002020a,
540
    OID_GEN_BROADCAST_BYTES_RCV                = 0x0002020b,
541
    OID_GEN_BROADCAST_FRAMES_RCV        = 0x0002020c,
542
    OID_GEN_RCV_CRC_ERROR                = 0x0002020d,
543
    OID_GEN_TRANSMIT_QUEUE_LENGTH        = 0x0002020e,
544
    OID_GEN_GET_TIME_CAPS                = 0x0002020f,
545
    OID_GEN_GET_NETCARD_TIME                = 0x00020210,
546
    OID_GEN_NETCARD_LOAD                = 0x00020211,
547
    OID_GEN_DEVICE_PROFILE                = 0x00020212,
548
    OID_GEN_INIT_TIME_MS                = 0x00020213,
549
    OID_GEN_RESET_COUNTS                = 0x00020214,
550
    OID_GEN_MEDIA_SENSE_COUNTS                = 0x00020215,
551
    OID_GEN_FRIENDLY_NAME                = 0x00020216,
552
    OID_GEN_MINIPORT_INFO                = 0x00020217,
553
    OID_GEN_RESET_VERIFY_PARAMETERS        = 0x00020218,
554

    
555
    /* IEEE 802.3 (Ethernet) OIDs */
556
    OID_802_3_PERMANENT_ADDRESS                = 0x01010101,
557
    OID_802_3_CURRENT_ADDRESS                = 0x01010102,
558
    OID_802_3_MULTICAST_LIST                = 0x01010103,
559
    OID_802_3_MAXIMUM_LIST_SIZE                = 0x01010104,
560
    OID_802_3_MAC_OPTIONS                = 0x01010105,
561
    OID_802_3_RCV_ERROR_ALIGNMENT        = 0x01020101,
562
    OID_802_3_XMIT_ONE_COLLISION        = 0x01020102,
563
    OID_802_3_XMIT_MORE_COLLISIONS        = 0x01020103,
564
    OID_802_3_XMIT_DEFERRED                = 0x01020201,
565
    OID_802_3_XMIT_MAX_COLLISIONS        = 0x01020202,
566
    OID_802_3_RCV_OVERRUN                = 0x01020203,
567
    OID_802_3_XMIT_UNDERRUN                = 0x01020204,
568
    OID_802_3_XMIT_HEARTBEAT_FAILURE        = 0x01020205,
569
    OID_802_3_XMIT_TIMES_CRS_LOST        = 0x01020206,
570
    OID_802_3_XMIT_LATE_COLLISIONS        = 0x01020207,
571
};
572

    
573
static const uint32_t oid_supported_list[] =
574
{
575
    /* the general stuff */
576
    OID_GEN_SUPPORTED_LIST,
577
    OID_GEN_HARDWARE_STATUS,
578
    OID_GEN_MEDIA_SUPPORTED,
579
    OID_GEN_MEDIA_IN_USE,
580
    OID_GEN_MAXIMUM_FRAME_SIZE,
581
    OID_GEN_LINK_SPEED,
582
    OID_GEN_TRANSMIT_BLOCK_SIZE,
583
    OID_GEN_RECEIVE_BLOCK_SIZE,
584
    OID_GEN_VENDOR_ID,
585
    OID_GEN_VENDOR_DESCRIPTION,
586
    OID_GEN_VENDOR_DRIVER_VERSION,
587
    OID_GEN_CURRENT_PACKET_FILTER,
588
    OID_GEN_MAXIMUM_TOTAL_SIZE,
589
    OID_GEN_MEDIA_CONNECT_STATUS,
590
    OID_GEN_PHYSICAL_MEDIUM,
591

    
592
    /* the statistical stuff */
593
    OID_GEN_XMIT_OK,
594
    OID_GEN_RCV_OK,
595
    OID_GEN_XMIT_ERROR,
596
    OID_GEN_RCV_ERROR,
597
    OID_GEN_RCV_NO_BUFFER,
598

    
599
    /* IEEE 802.3 */
600
    /* the general stuff */
601
    OID_802_3_PERMANENT_ADDRESS,
602
    OID_802_3_CURRENT_ADDRESS,
603
    OID_802_3_MULTICAST_LIST,
604
    OID_802_3_MAC_OPTIONS,
605
    OID_802_3_MAXIMUM_LIST_SIZE,
606

    
607
    /* the statistical stuff */
608
    OID_802_3_RCV_ERROR_ALIGNMENT,
609
    OID_802_3_XMIT_ONE_COLLISION,
610
    OID_802_3_XMIT_MORE_COLLISIONS,
611
};
612

    
613
#define NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA        (1 << 0)
614
#define NDIS_MAC_OPTION_RECEIVE_SERIALIZED        (1 << 1)
615
#define NDIS_MAC_OPTION_TRANSFERS_NOT_PEND        (1 << 2)
616
#define NDIS_MAC_OPTION_NO_LOOPBACK                (1 << 3)
617
#define NDIS_MAC_OPTION_FULL_DUPLEX                (1 << 4)
618
#define NDIS_MAC_OPTION_EOTX_INDICATION                (1 << 5)
619
#define NDIS_MAC_OPTION_8021P_PRIORITY                (1 << 6)
620

    
621
struct rndis_response {
622
    QTAILQ_ENTRY(rndis_response) entries;
623
    uint32_t length;
624
    uint8_t buf[0];
625
};
626

    
627
typedef struct USBNetState {
628
    USBDevice dev;
629

    
630
    enum rndis_state rndis_state;
631
    uint32_t medium;
632
    uint32_t speed;
633
    uint32_t media_state;
634
    uint16_t filter;
635
    uint32_t vendorid;
636

    
637
    unsigned int out_ptr;
638
    uint8_t out_buf[2048];
639

    
640
    USBPacket *inpkt;
641
    unsigned int in_ptr, in_len;
642
    uint8_t in_buf[2048];
643

    
644
    char usbstring_mac[13];
645
    NICState *nic;
646
    NICConf conf;
647
    QTAILQ_HEAD(rndis_resp_head, rndis_response) rndis_resp;
648
} USBNetState;
649

    
650
static int is_rndis(USBNetState *s)
651
{
652
    return s->dev.config->bConfigurationValue == DEV_RNDIS_CONFIG_VALUE;
653
}
654

    
655
static int ndis_query(USBNetState *s, uint32_t oid,
656
                      uint8_t *inbuf, unsigned int inlen, uint8_t *outbuf,
657
                      size_t outlen)
658
{
659
    unsigned int i;
660

    
661
    switch (oid) {
662
    /* general oids (table 4-1) */
663
    /* mandatory */
664
    case OID_GEN_SUPPORTED_LIST:
665
        for (i = 0; i < ARRAY_SIZE(oid_supported_list); i++)
666
            ((le32 *) outbuf)[i] = cpu_to_le32(oid_supported_list[i]);
667
        return sizeof(oid_supported_list);
668

    
669
    /* mandatory */
670
    case OID_GEN_HARDWARE_STATUS:
671
        *((le32 *) outbuf) = cpu_to_le32(0);
672
        return sizeof(le32);
673

    
674
    /* mandatory */
675
    case OID_GEN_MEDIA_SUPPORTED:
676
        *((le32 *) outbuf) = cpu_to_le32(s->medium);
677
        return sizeof(le32);
678

    
679
    /* mandatory */
680
    case OID_GEN_MEDIA_IN_USE:
681
        *((le32 *) outbuf) = cpu_to_le32(s->medium);
682
        return sizeof(le32);
683

    
684
    /* mandatory */
685
    case OID_GEN_MAXIMUM_FRAME_SIZE:
686
        *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
687
        return sizeof(le32);
688

    
689
    /* mandatory */
690
    case OID_GEN_LINK_SPEED:
691
        *((le32 *) outbuf) = cpu_to_le32(s->speed);
692
        return sizeof(le32);
693

    
694
    /* mandatory */
695
    case OID_GEN_TRANSMIT_BLOCK_SIZE:
696
        *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
697
        return sizeof(le32);
698

    
699
    /* mandatory */
700
    case OID_GEN_RECEIVE_BLOCK_SIZE:
701
        *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
702
        return sizeof(le32);
703

    
704
    /* mandatory */
705
    case OID_GEN_VENDOR_ID:
706
        *((le32 *) outbuf) = cpu_to_le32(s->vendorid);
707
        return sizeof(le32);
708

    
709
    /* mandatory */
710
    case OID_GEN_VENDOR_DESCRIPTION:
711
        pstrcpy((char *)outbuf, outlen, "QEMU USB RNDIS Net");
712
        return strlen((char *)outbuf) + 1;
713

    
714
    case OID_GEN_VENDOR_DRIVER_VERSION:
715
        *((le32 *) outbuf) = cpu_to_le32(1);
716
        return sizeof(le32);
717

    
718
    /* mandatory */
719
    case OID_GEN_CURRENT_PACKET_FILTER:
720
        *((le32 *) outbuf) = cpu_to_le32(s->filter);
721
        return sizeof(le32);
722

    
723
    /* mandatory */
724
    case OID_GEN_MAXIMUM_TOTAL_SIZE:
725
        *((le32 *) outbuf) = cpu_to_le32(RNDIS_MAX_TOTAL_SIZE);
726
        return sizeof(le32);
727

    
728
    /* mandatory */
729
    case OID_GEN_MEDIA_CONNECT_STATUS:
730
        *((le32 *) outbuf) = cpu_to_le32(s->media_state);
731
        return sizeof(le32);
732

    
733
    case OID_GEN_PHYSICAL_MEDIUM:
734
        *((le32 *) outbuf) = cpu_to_le32(0);
735
        return sizeof(le32);
736

    
737
    case OID_GEN_MAC_OPTIONS:
738
        *((le32 *) outbuf) = cpu_to_le32(
739
                        NDIS_MAC_OPTION_RECEIVE_SERIALIZED |
740
                        NDIS_MAC_OPTION_FULL_DUPLEX);
741
        return sizeof(le32);
742

    
743
    /* statistics OIDs (table 4-2) */
744
    /* mandatory */
745
    case OID_GEN_XMIT_OK:
746
        *((le32 *) outbuf) = cpu_to_le32(0);
747
        return sizeof(le32);
748

    
749
    /* mandatory */
750
    case OID_GEN_RCV_OK:
751
        *((le32 *) outbuf) = cpu_to_le32(0);
752
        return sizeof(le32);
753

    
754
    /* mandatory */
755
    case OID_GEN_XMIT_ERROR:
756
        *((le32 *) outbuf) = cpu_to_le32(0);
757
        return sizeof(le32);
758

    
759
    /* mandatory */
760
    case OID_GEN_RCV_ERROR:
761
        *((le32 *) outbuf) = cpu_to_le32(0);
762
        return sizeof(le32);
763

    
764
    /* mandatory */
765
    case OID_GEN_RCV_NO_BUFFER:
766
        *((le32 *) outbuf) = cpu_to_le32(0);
767
        return sizeof(le32);
768

    
769
    /* ieee802.3 OIDs (table 4-3) */
770
    /* mandatory */
771
    case OID_802_3_PERMANENT_ADDRESS:
772
        memcpy(outbuf, s->conf.macaddr.a, 6);
773
        return 6;
774

    
775
    /* mandatory */
776
    case OID_802_3_CURRENT_ADDRESS:
777
        memcpy(outbuf, s->conf.macaddr.a, 6);
778
        return 6;
779

    
780
    /* mandatory */
781
    case OID_802_3_MULTICAST_LIST:
782
        *((le32 *) outbuf) = cpu_to_le32(0xe0000000);
783
        return sizeof(le32);
784

    
785
    /* mandatory */
786
    case OID_802_3_MAXIMUM_LIST_SIZE:
787
        *((le32 *) outbuf) = cpu_to_le32(1);
788
        return sizeof(le32);
789

    
790
    case OID_802_3_MAC_OPTIONS:
791
        return 0;
792

    
793
    /* ieee802.3 statistics OIDs (table 4-4) */
794
    /* mandatory */
795
    case OID_802_3_RCV_ERROR_ALIGNMENT:
796
        *((le32 *) outbuf) = cpu_to_le32(0);
797
        return sizeof(le32);
798

    
799
    /* mandatory */
800
    case OID_802_3_XMIT_ONE_COLLISION:
801
        *((le32 *) outbuf) = cpu_to_le32(0);
802
        return sizeof(le32);
803

    
804
    /* mandatory */
805
    case OID_802_3_XMIT_MORE_COLLISIONS:
806
        *((le32 *) outbuf) = cpu_to_le32(0);
807
        return sizeof(le32);
808

    
809
    default:
810
        fprintf(stderr, "usbnet: unknown OID 0x%08x\n", oid);
811
        return 0;
812
    }
813
    return -1;
814
}
815

    
816
static int ndis_set(USBNetState *s, uint32_t oid,
817
                uint8_t *inbuf, unsigned int inlen)
818
{
819
    switch (oid) {
820
    case OID_GEN_CURRENT_PACKET_FILTER:
821
        s->filter = le32_to_cpup((le32 *) inbuf);
822
        if (s->filter) {
823
            s->rndis_state = RNDIS_DATA_INITIALIZED;
824
        } else {
825
            s->rndis_state = RNDIS_INITIALIZED;
826
        }
827
        return 0;
828

    
829
    case OID_802_3_MULTICAST_LIST:
830
        return 0;
831
    }
832
    return -1;
833
}
834

    
835
static int rndis_get_response(USBNetState *s, uint8_t *buf)
836
{
837
    int ret = 0;
838
    struct rndis_response *r = s->rndis_resp.tqh_first;
839

    
840
    if (!r)
841
        return ret;
842

    
843
    QTAILQ_REMOVE(&s->rndis_resp, r, entries);
844
    ret = r->length;
845
    memcpy(buf, r->buf, r->length);
846
    qemu_free(r);
847

    
848
    return ret;
849
}
850

    
851
static void *rndis_queue_response(USBNetState *s, unsigned int length)
852
{
853
    struct rndis_response *r =
854
            qemu_mallocz(sizeof(struct rndis_response) + length);
855

    
856
    QTAILQ_INSERT_TAIL(&s->rndis_resp, r, entries);
857
    r->length = length;
858

    
859
    return &r->buf[0];
860
}
861

    
862
static void rndis_clear_responsequeue(USBNetState *s)
863
{
864
    struct rndis_response *r;
865

    
866
    while ((r = s->rndis_resp.tqh_first)) {
867
        QTAILQ_REMOVE(&s->rndis_resp, r, entries);
868
        qemu_free(r);
869
    }
870
}
871

    
872
static int rndis_init_response(USBNetState *s, rndis_init_msg_type *buf)
873
{
874
    rndis_init_cmplt_type *resp =
875
            rndis_queue_response(s, sizeof(rndis_init_cmplt_type));
876

    
877
    if (!resp)
878
        return USB_RET_STALL;
879

    
880
    resp->MessageType = cpu_to_le32(RNDIS_INITIALIZE_CMPLT);
881
    resp->MessageLength = cpu_to_le32(sizeof(rndis_init_cmplt_type));
882
    resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
883
    resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
884
    resp->MajorVersion = cpu_to_le32(RNDIS_MAJOR_VERSION);
885
    resp->MinorVersion = cpu_to_le32(RNDIS_MINOR_VERSION);
886
    resp->DeviceFlags = cpu_to_le32(RNDIS_DF_CONNECTIONLESS);
887
    resp->Medium = cpu_to_le32(RNDIS_MEDIUM_802_3);
888
    resp->MaxPacketsPerTransfer = cpu_to_le32(1);
889
    resp->MaxTransferSize = cpu_to_le32(ETH_FRAME_LEN +
890
                    sizeof(struct rndis_packet_msg_type) + 22);
891
    resp->PacketAlignmentFactor = cpu_to_le32(0);
892
    resp->AFListOffset = cpu_to_le32(0);
893
    resp->AFListSize = cpu_to_le32(0);
894
    return 0;
895
}
896

    
897
static int rndis_query_response(USBNetState *s,
898
                rndis_query_msg_type *buf, unsigned int length)
899
{
900
    rndis_query_cmplt_type *resp;
901
    /* oid_supported_list is the largest data reply */
902
    uint8_t infobuf[sizeof(oid_supported_list)];
903
    uint32_t bufoffs, buflen;
904
    int infobuflen;
905
    unsigned int resplen;
906

    
907
    bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
908
    buflen = le32_to_cpu(buf->InformationBufferLength);
909
    if (bufoffs + buflen > length)
910
        return USB_RET_STALL;
911

    
912
    infobuflen = ndis_query(s, le32_to_cpu(buf->OID),
913
                            bufoffs + (uint8_t *) buf, buflen, infobuf,
914
                            sizeof(infobuf));
915
    resplen = sizeof(rndis_query_cmplt_type) +
916
            ((infobuflen < 0) ? 0 : infobuflen);
917
    resp = rndis_queue_response(s, resplen);
918
    if (!resp)
919
        return USB_RET_STALL;
920

    
921
    resp->MessageType = cpu_to_le32(RNDIS_QUERY_CMPLT);
922
    resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
923
    resp->MessageLength = cpu_to_le32(resplen);
924

    
925
    if (infobuflen < 0) {
926
        /* OID not supported */
927
        resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
928
        resp->InformationBufferLength = cpu_to_le32(0);
929
        resp->InformationBufferOffset = cpu_to_le32(0);
930
        return 0;
931
    }
932

    
933
    resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
934
    resp->InformationBufferOffset =
935
            cpu_to_le32(infobuflen ? sizeof(rndis_query_cmplt_type) - 8 : 0);
936
    resp->InformationBufferLength = cpu_to_le32(infobuflen);
937
    memcpy(resp + 1, infobuf, infobuflen);
938

    
939
    return 0;
940
}
941

    
942
static int rndis_set_response(USBNetState *s,
943
                rndis_set_msg_type *buf, unsigned int length)
944
{
945
    rndis_set_cmplt_type *resp =
946
            rndis_queue_response(s, sizeof(rndis_set_cmplt_type));
947
    uint32_t bufoffs, buflen;
948
    int ret;
949

    
950
    if (!resp)
951
        return USB_RET_STALL;
952

    
953
    bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
954
    buflen = le32_to_cpu(buf->InformationBufferLength);
955
    if (bufoffs + buflen > length)
956
        return USB_RET_STALL;
957

    
958
    ret = ndis_set(s, le32_to_cpu(buf->OID),
959
                    bufoffs + (uint8_t *) buf, buflen);
960
    resp->MessageType = cpu_to_le32(RNDIS_SET_CMPLT);
961
    resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
962
    resp->MessageLength = cpu_to_le32(sizeof(rndis_set_cmplt_type));
963
    if (ret < 0) {
964
        /* OID not supported */
965
        resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
966
        return 0;
967
    }
968
    resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
969

    
970
    return 0;
971
}
972

    
973
static int rndis_reset_response(USBNetState *s, rndis_reset_msg_type *buf)
974
{
975
    rndis_reset_cmplt_type *resp =
976
            rndis_queue_response(s, sizeof(rndis_reset_cmplt_type));
977

    
978
    if (!resp)
979
        return USB_RET_STALL;
980

    
981
    resp->MessageType = cpu_to_le32(RNDIS_RESET_CMPLT);
982
    resp->MessageLength = cpu_to_le32(sizeof(rndis_reset_cmplt_type));
983
    resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
984
    resp->AddressingReset = cpu_to_le32(1); /* reset information */
985

    
986
    return 0;
987
}
988

    
989
static int rndis_keepalive_response(USBNetState *s,
990
                rndis_keepalive_msg_type *buf)
991
{
992
    rndis_keepalive_cmplt_type *resp =
993
            rndis_queue_response(s, sizeof(rndis_keepalive_cmplt_type));
994

    
995
    if (!resp)
996
        return USB_RET_STALL;
997

    
998
    resp->MessageType = cpu_to_le32(RNDIS_KEEPALIVE_CMPLT);
999
    resp->MessageLength = cpu_to_le32(sizeof(rndis_keepalive_cmplt_type));
1000
    resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
1001
    resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
1002

    
1003
    return 0;
1004
}
1005

    
1006
static int rndis_parse(USBNetState *s, uint8_t *data, int length)
1007
{
1008
    uint32_t msg_type;
1009
    le32 *tmp = (le32 *) data;
1010

    
1011
    msg_type = le32_to_cpup(tmp);
1012

    
1013
    switch (msg_type) {
1014
    case RNDIS_INITIALIZE_MSG:
1015
        s->rndis_state = RNDIS_INITIALIZED;
1016
        return rndis_init_response(s, (rndis_init_msg_type *) data);
1017

    
1018
    case RNDIS_HALT_MSG:
1019
        s->rndis_state = RNDIS_UNINITIALIZED;
1020
        return 0;
1021

    
1022
    case RNDIS_QUERY_MSG:
1023
        return rndis_query_response(s, (rndis_query_msg_type *) data, length);
1024

    
1025
    case RNDIS_SET_MSG:
1026
        return rndis_set_response(s, (rndis_set_msg_type *) data, length);
1027

    
1028
    case RNDIS_RESET_MSG:
1029
        rndis_clear_responsequeue(s);
1030
        s->out_ptr = s->in_ptr = s->in_len = 0;
1031
        return rndis_reset_response(s, (rndis_reset_msg_type *) data);
1032

    
1033
    case RNDIS_KEEPALIVE_MSG:
1034
        /* For USB: host does this every 5 seconds */
1035
        return rndis_keepalive_response(s, (rndis_keepalive_msg_type *) data);
1036
    }
1037

    
1038
    return USB_RET_STALL;
1039
}
1040

    
1041
static void usb_net_handle_reset(USBDevice *dev)
1042
{
1043
}
1044

    
1045
static int usb_net_handle_control(USBDevice *dev, int request, int value,
1046
                int index, int length, uint8_t *data)
1047
{
1048
    USBNetState *s = (USBNetState *) dev;
1049
    int ret;
1050

    
1051
    ret = usb_desc_handle_control(dev, request, value, index, length, data);
1052
    if (ret >= 0) {
1053
        return ret;
1054
    }
1055

    
1056
    ret = 0;
1057
    switch(request) {
1058
    case ClassInterfaceOutRequest | USB_CDC_SEND_ENCAPSULATED_COMMAND:
1059
        if (!is_rndis(s) || value || index != 0) {
1060
            goto fail;
1061
        }
1062
#ifdef TRAFFIC_DEBUG
1063
        {
1064
            unsigned int i;
1065
            fprintf(stderr, "SEND_ENCAPSULATED_COMMAND:");
1066
            for (i = 0; i < length; i++) {
1067
                if (!(i & 15))
1068
                    fprintf(stderr, "\n%04x:", i);
1069
                fprintf(stderr, " %02x", data[i]);
1070
            }
1071
            fprintf(stderr, "\n\n");
1072
        }
1073
#endif
1074
        ret = rndis_parse(s, data, length);
1075
        break;
1076

    
1077
    case ClassInterfaceRequest | USB_CDC_GET_ENCAPSULATED_RESPONSE:
1078
        if (!is_rndis(s) || value || index != 0) {
1079
            goto fail;
1080
        }
1081
        ret = rndis_get_response(s, data);
1082
        if (!ret) {
1083
            data[0] = 0;
1084
            ret = 1;
1085
        }
1086
#ifdef TRAFFIC_DEBUG
1087
        {
1088
            unsigned int i;
1089
            fprintf(stderr, "GET_ENCAPSULATED_RESPONSE:");
1090
            for (i = 0; i < ret; i++) {
1091
                if (!(i & 15))
1092
                    fprintf(stderr, "\n%04x:", i);
1093
                fprintf(stderr, " %02x", data[i]);
1094
            }
1095
            fprintf(stderr, "\n\n");
1096
        }
1097
#endif
1098
        break;
1099

    
1100
    case DeviceRequest | USB_REQ_GET_INTERFACE:
1101
    case InterfaceRequest | USB_REQ_GET_INTERFACE:
1102
        data[0] = 0;
1103
        ret = 1;
1104
        break;
1105

    
1106
    case DeviceOutRequest | USB_REQ_SET_INTERFACE:
1107
    case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
1108
        ret = 0;
1109
        break;
1110

    
1111
    default:
1112
    fail:
1113
        fprintf(stderr, "usbnet: failed control transaction: "
1114
                        "request 0x%x value 0x%x index 0x%x length 0x%x\n",
1115
                        request, value, index, length);
1116
        ret = USB_RET_STALL;
1117
        break;
1118
    }
1119
    return ret;
1120
}
1121

    
1122
static int usb_net_handle_statusin(USBNetState *s, USBPacket *p)
1123
{
1124
    int ret = 8;
1125

    
1126
    if (p->len < 8)
1127
        return USB_RET_STALL;
1128

    
1129
    ((le32 *) p->data)[0] = cpu_to_le32(1);
1130
    ((le32 *) p->data)[1] = cpu_to_le32(0);
1131
    if (!s->rndis_resp.tqh_first)
1132
        ret = USB_RET_NAK;
1133

    
1134
#ifdef TRAFFIC_DEBUG
1135
    fprintf(stderr, "usbnet: interrupt poll len %u return %d", p->len, ret);
1136
    {
1137
        int i;
1138
        fprintf(stderr, ":");
1139
        for (i = 0; i < ret; i++) {
1140
            if (!(i & 15))
1141
                fprintf(stderr, "\n%04x:", i);
1142
            fprintf(stderr, " %02x", p->data[i]);
1143
        }
1144
        fprintf(stderr, "\n\n");
1145
    }
1146
#endif
1147

    
1148
    return ret;
1149
}
1150

    
1151
static int usb_net_handle_datain(USBNetState *s, USBPacket *p)
1152
{
1153
    int ret = USB_RET_NAK;
1154

    
1155
    if (s->in_ptr > s->in_len) {
1156
        s->in_ptr = s->in_len = 0;
1157
        ret = USB_RET_NAK;
1158
        return ret;
1159
    }
1160
    if (!s->in_len) {
1161
        ret = USB_RET_NAK;
1162
        return ret;
1163
    }
1164
    ret = s->in_len - s->in_ptr;
1165
    if (ret > p->len)
1166
        ret = p->len;
1167
    memcpy(p->data, &s->in_buf[s->in_ptr], ret);
1168
    s->in_ptr += ret;
1169
    if (s->in_ptr >= s->in_len &&
1170
                    (is_rndis(s) || (s->in_len & (64 - 1)) || !ret)) {
1171
        /* no short packet necessary */
1172
        s->in_ptr = s->in_len = 0;
1173
    }
1174

    
1175
#ifdef TRAFFIC_DEBUG
1176
    fprintf(stderr, "usbnet: data in len %u return %d", p->len, ret);
1177
    {
1178
        int i;
1179
        fprintf(stderr, ":");
1180
        for (i = 0; i < ret; i++) {
1181
            if (!(i & 15))
1182
                fprintf(stderr, "\n%04x:", i);
1183
            fprintf(stderr, " %02x", p->data[i]);
1184
        }
1185
        fprintf(stderr, "\n\n");
1186
    }
1187
#endif
1188

    
1189
    return ret;
1190
}
1191

    
1192
static int usb_net_handle_dataout(USBNetState *s, USBPacket *p)
1193
{
1194
    int ret = p->len;
1195
    int sz = sizeof(s->out_buf) - s->out_ptr;
1196
    struct rndis_packet_msg_type *msg =
1197
            (struct rndis_packet_msg_type *) s->out_buf;
1198
    uint32_t len;
1199

    
1200
#ifdef TRAFFIC_DEBUG
1201
    fprintf(stderr, "usbnet: data out len %u\n", p->len);
1202
    {
1203
        int i;
1204
        fprintf(stderr, ":");
1205
        for (i = 0; i < p->len; i++) {
1206
            if (!(i & 15))
1207
                fprintf(stderr, "\n%04x:", i);
1208
            fprintf(stderr, " %02x", p->data[i]);
1209
        }
1210
        fprintf(stderr, "\n\n");
1211
    }
1212
#endif
1213

    
1214
    if (sz > ret)
1215
        sz = ret;
1216
    memcpy(&s->out_buf[s->out_ptr], p->data, sz);
1217
    s->out_ptr += sz;
1218

    
1219
    if (!is_rndis(s)) {
1220
        if (ret < 64) {
1221
            qemu_send_packet(&s->nic->nc, s->out_buf, s->out_ptr);
1222
            s->out_ptr = 0;
1223
        }
1224
        return ret;
1225
    }
1226
    len = le32_to_cpu(msg->MessageLength);
1227
    if (s->out_ptr < 8 || s->out_ptr < len)
1228
        return ret;
1229
    if (le32_to_cpu(msg->MessageType) == RNDIS_PACKET_MSG) {
1230
        uint32_t offs = 8 + le32_to_cpu(msg->DataOffset);
1231
        uint32_t size = le32_to_cpu(msg->DataLength);
1232
        if (offs + size <= len)
1233
            qemu_send_packet(&s->nic->nc, s->out_buf + offs, size);
1234
    }
1235
    s->out_ptr -= len;
1236
    memmove(s->out_buf, &s->out_buf[len], s->out_ptr);
1237

    
1238
    return ret;
1239
}
1240

    
1241
static int usb_net_handle_data(USBDevice *dev, USBPacket *p)
1242
{
1243
    USBNetState *s = (USBNetState *) dev;
1244
    int ret = 0;
1245

    
1246
    switch(p->pid) {
1247
    case USB_TOKEN_IN:
1248
        switch (p->devep) {
1249
        case 1:
1250
            ret = usb_net_handle_statusin(s, p);
1251
            break;
1252

    
1253
        case 2:
1254
            ret = usb_net_handle_datain(s, p);
1255
            break;
1256

    
1257
        default:
1258
            goto fail;
1259
        }
1260
        break;
1261

    
1262
    case USB_TOKEN_OUT:
1263
        switch (p->devep) {
1264
        case 2:
1265
            ret = usb_net_handle_dataout(s, p);
1266
            break;
1267

    
1268
        default:
1269
            goto fail;
1270
        }
1271
        break;
1272

    
1273
    default:
1274
    fail:
1275
        ret = USB_RET_STALL;
1276
        break;
1277
    }
1278
    if (ret == USB_RET_STALL)
1279
        fprintf(stderr, "usbnet: failed data transaction: "
1280
                        "pid 0x%x ep 0x%x len 0x%x\n",
1281
                        p->pid, p->devep, p->len);
1282
    return ret;
1283
}
1284

    
1285
static ssize_t usbnet_receive(VLANClientState *nc, const uint8_t *buf, size_t size)
1286
{
1287
    USBNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
1288
    struct rndis_packet_msg_type *msg;
1289

    
1290
    if (is_rndis(s)) {
1291
        msg = (struct rndis_packet_msg_type *) s->in_buf;
1292
        if (!s->rndis_state == RNDIS_DATA_INITIALIZED)
1293
            return -1;
1294
        if (size + sizeof(struct rndis_packet_msg_type) > sizeof(s->in_buf))
1295
            return -1;
1296

    
1297
        memset(msg, 0, sizeof(struct rndis_packet_msg_type));
1298
        msg->MessageType = cpu_to_le32(RNDIS_PACKET_MSG);
1299
        msg->MessageLength = cpu_to_le32(size + sizeof(struct rndis_packet_msg_type));
1300
        msg->DataOffset = cpu_to_le32(sizeof(struct rndis_packet_msg_type) - 8);
1301
        msg->DataLength = cpu_to_le32(size);
1302
        /* msg->OOBDataOffset;
1303
         * msg->OOBDataLength;
1304
         * msg->NumOOBDataElements;
1305
         * msg->PerPacketInfoOffset;
1306
         * msg->PerPacketInfoLength;
1307
         * msg->VcHandle;
1308
         * msg->Reserved;
1309
         */
1310
        memcpy(msg + 1, buf, size);
1311
        s->in_len = size + sizeof(struct rndis_packet_msg_type);
1312
    } else {
1313
        if (size > sizeof(s->in_buf))
1314
            return -1;
1315
        memcpy(s->in_buf, buf, size);
1316
        s->in_len = size;
1317
    }
1318
    s->in_ptr = 0;
1319
    return size;
1320
}
1321

    
1322
static int usbnet_can_receive(VLANClientState *nc)
1323
{
1324
    USBNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
1325

    
1326
    if (is_rndis(s) && !s->rndis_state == RNDIS_DATA_INITIALIZED) {
1327
        return 1;
1328
    }
1329

    
1330
    return !s->in_len;
1331
}
1332

    
1333
static void usbnet_cleanup(VLANClientState *nc)
1334
{
1335
    USBNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
1336

    
1337
    s->nic = NULL;
1338
}
1339

    
1340
static void usb_net_handle_destroy(USBDevice *dev)
1341
{
1342
    USBNetState *s = (USBNetState *) dev;
1343

    
1344
    /* TODO: remove the nd_table[] entry */
1345
    rndis_clear_responsequeue(s);
1346
    qemu_del_vlan_client(&s->nic->nc);
1347
}
1348

    
1349
static NetClientInfo net_usbnet_info = {
1350
    .type = NET_CLIENT_TYPE_NIC,
1351
    .size = sizeof(NICState),
1352
    .can_receive = usbnet_can_receive,
1353
    .receive = usbnet_receive,
1354
    .cleanup = usbnet_cleanup,
1355
};
1356

    
1357
static int usb_net_initfn(USBDevice *dev)
1358
{
1359
    USBNetState *s = DO_UPCAST(USBNetState, dev, dev);
1360

    
1361
    usb_desc_init(dev);
1362

    
1363
    s->rndis_state = RNDIS_UNINITIALIZED;
1364
    QTAILQ_INIT(&s->rndis_resp);
1365

    
1366
    s->medium = 0;        /* NDIS_MEDIUM_802_3 */
1367
    s->speed = 1000000; /* 100MBps, in 100Bps units */
1368
    s->media_state = 0;        /* NDIS_MEDIA_STATE_CONNECTED */;
1369
    s->filter = 0;
1370
    s->vendorid = 0x1234;
1371

    
1372
    qemu_macaddr_default_if_unset(&s->conf.macaddr);
1373
    s->nic = qemu_new_nic(&net_usbnet_info, &s->conf,
1374
                          s->dev.qdev.info->name, s->dev.qdev.id, s);
1375
    qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
1376
    snprintf(s->usbstring_mac, sizeof(s->usbstring_mac),
1377
             "%02x%02x%02x%02x%02x%02x",
1378
             0x40,
1379
             s->conf.macaddr.a[1],
1380
             s->conf.macaddr.a[2],
1381
             s->conf.macaddr.a[3],
1382
             s->conf.macaddr.a[4],
1383
             s->conf.macaddr.a[5]);
1384
    usb_desc_set_string(dev, STRING_ETHADDR, s->usbstring_mac);
1385

    
1386
    add_boot_device_path(s->conf.bootindex, &dev->qdev, "/ethernet@0");
1387
    return 0;
1388
}
1389

    
1390
static USBDevice *usb_net_init(const char *cmdline)
1391
{
1392
    USBDevice *dev;
1393
    QemuOpts *opts;
1394
    int idx;
1395

    
1396
    opts = qemu_opts_parse(qemu_find_opts("net"), cmdline, 0);
1397
    if (!opts) {
1398
        return NULL;
1399
    }
1400
    qemu_opt_set(opts, "type", "nic");
1401
    qemu_opt_set(opts, "model", "usb");
1402

    
1403
    idx = net_client_init(NULL, opts, 0);
1404
    if (idx == -1) {
1405
        return NULL;
1406
    }
1407

    
1408
    dev = usb_create(NULL /* FIXME */, "usb-net");
1409
    if (!dev) {
1410
        return NULL;
1411
    }
1412
    qdev_set_nic_properties(&dev->qdev, &nd_table[idx]);
1413
    qdev_init_nofail(&dev->qdev);
1414
    return dev;
1415
}
1416

    
1417
static struct USBDeviceInfo net_info = {
1418
    .product_desc   = "QEMU USB Network Interface",
1419
    .qdev.name      = "usb-net",
1420
    .qdev.fw_name    = "network",
1421
    .qdev.size      = sizeof(USBNetState),
1422
    .usb_desc       = &desc_net,
1423
    .init           = usb_net_initfn,
1424
    .handle_packet  = usb_generic_handle_packet,
1425
    .handle_reset   = usb_net_handle_reset,
1426
    .handle_control = usb_net_handle_control,
1427
    .handle_data    = usb_net_handle_data,
1428
    .handle_destroy = usb_net_handle_destroy,
1429
    .usbdevice_name = "net",
1430
    .usbdevice_init = usb_net_init,
1431
    .qdev.props     = (Property[]) {
1432
        DEFINE_NIC_PROPERTIES(USBNetState, conf),
1433
        DEFINE_PROP_END_OF_LIST(),
1434
    }
1435
};
1436

    
1437
static void usb_net_register_devices(void)
1438
{
1439
    usb_qdev_register(&net_info);
1440
}
1441
device_init(usb_net_register_devices)