Statistics
| Branch: | Revision:

root / hw / usb-net.c @ 079d0b7f

History | View | Annotate | Download (43 kB)

1
/*
2
 * QEMU USB Net devices
3
 *
4
 * Copyright (c) 2006 Thomas Sailer
5
 * Copyright (c) 2008 Andrzej Zaborowski
6
 *
7
 * Permission is hereby granted, free of charge, to any person obtaining a copy
8
 * of this software and associated documentation files (the "Software"), to deal
9
 * in the Software without restriction, including without limitation the rights
10
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11
 * copies of the Software, and to permit persons to whom the Software is
12
 * furnished to do so, subject to the following conditions:
13
 *
14
 * The above copyright notice and this permission notice shall be included in
15
 * all copies or substantial portions of the Software.
16
 *
17
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23
 * THE SOFTWARE.
24
 */
25

    
26
#include "qemu-common.h"
27
#include "usb.h"
28
#include "usb-desc.h"
29
#include "net.h"
30
#include "qemu-queue.h"
31
#include "sysemu.h"
32
#include "iov.h"
33

    
34
/*#define TRAFFIC_DEBUG*/
35
/* Thanks to NetChip Technologies for donating this product ID.
36
 * It's for devices with only CDC Ethernet configurations.
37
 */
38
#define CDC_VENDOR_NUM          0x0525  /* NetChip */
39
#define CDC_PRODUCT_NUM         0xa4a1  /* Linux-USB Ethernet Gadget */
40
/* For hardware that can talk RNDIS and either of the above protocols,
41
 * use this ID ... the windows INF files will know it.
42
 */
43
#define RNDIS_VENDOR_NUM        0x0525  /* NetChip */
44
#define RNDIS_PRODUCT_NUM       0xa4a2  /* Ethernet/RNDIS Gadget */
45

    
46
enum usbstring_idx {
47
    STRING_MANUFACTURER                = 1,
48
    STRING_PRODUCT,
49
    STRING_ETHADDR,
50
    STRING_DATA,
51
    STRING_CONTROL,
52
    STRING_RNDIS_CONTROL,
53
    STRING_CDC,
54
    STRING_SUBSET,
55
    STRING_RNDIS,
56
    STRING_SERIALNUMBER,
57
};
58

    
59
#define DEV_CONFIG_VALUE                1        /* CDC or a subset */
60
#define DEV_RNDIS_CONFIG_VALUE                2        /* RNDIS; optional */
61

    
62
#define USB_CDC_SUBCLASS_ACM                0x02
63
#define USB_CDC_SUBCLASS_ETHERNET        0x06
64

    
65
#define USB_CDC_PROTO_NONE                0
66
#define USB_CDC_ACM_PROTO_VENDOR        0xff
67

    
68
#define USB_CDC_HEADER_TYPE                0x00        /* header_desc */
69
#define USB_CDC_CALL_MANAGEMENT_TYPE        0x01        /* call_mgmt_descriptor */
70
#define USB_CDC_ACM_TYPE                0x02        /* acm_descriptor */
71
#define USB_CDC_UNION_TYPE                0x06        /* union_desc */
72
#define USB_CDC_ETHERNET_TYPE                0x0f        /* ether_desc */
73

    
74
#define USB_CDC_SEND_ENCAPSULATED_COMMAND        0x00
75
#define USB_CDC_GET_ENCAPSULATED_RESPONSE        0x01
76
#define USB_CDC_REQ_SET_LINE_CODING                0x20
77
#define USB_CDC_REQ_GET_LINE_CODING                0x21
78
#define USB_CDC_REQ_SET_CONTROL_LINE_STATE        0x22
79
#define USB_CDC_REQ_SEND_BREAK                        0x23
80
#define USB_CDC_SET_ETHERNET_MULTICAST_FILTERS        0x40
81
#define USB_CDC_SET_ETHERNET_PM_PATTERN_FILTER        0x41
82
#define USB_CDC_GET_ETHERNET_PM_PATTERN_FILTER        0x42
83
#define USB_CDC_SET_ETHERNET_PACKET_FILTER        0x43
84
#define USB_CDC_GET_ETHERNET_STATISTIC                0x44
85

    
86
#define LOG2_STATUS_INTERVAL_MSEC        5    /* 1 << 5 == 32 msec */
87
#define STATUS_BYTECOUNT                16   /* 8 byte header + data */
88

    
89
#define ETH_FRAME_LEN                        1514 /* Max. octets in frame sans FCS */
90

    
91
static const USBDescStrings usb_net_stringtable = {
92
    [STRING_MANUFACTURER]       = "QEMU",
93
    [STRING_PRODUCT]            = "RNDIS/QEMU USB Network Device",
94
    [STRING_ETHADDR]            = "400102030405",
95
    [STRING_DATA]               = "QEMU USB Net Data Interface",
96
    [STRING_CONTROL]            = "QEMU USB Net Control Interface",
97
    [STRING_RNDIS_CONTROL]      = "QEMU USB Net RNDIS Control Interface",
98
    [STRING_CDC]                = "QEMU USB Net CDC",
99
    [STRING_SUBSET]             = "QEMU USB Net Subset",
100
    [STRING_RNDIS]              = "QEMU USB Net RNDIS",
101
    [STRING_SERIALNUMBER]       = "1",
102
};
103

    
104
static const USBDescIface desc_iface_rndis[] = {
105
    {
106
        /* RNDIS Control Interface */
107
        .bInterfaceNumber              = 0,
108
        .bNumEndpoints                 = 1,
109
        .bInterfaceClass               = USB_CLASS_COMM,
110
        .bInterfaceSubClass            = USB_CDC_SUBCLASS_ACM,
111
        .bInterfaceProtocol            = USB_CDC_ACM_PROTO_VENDOR,
112
        .iInterface                    = STRING_RNDIS_CONTROL,
113
        .ndesc                         = 4,
114
        .descs = (USBDescOther[]) {
115
            {
116
                /* Header Descriptor */
117
                .data = (uint8_t[]) {
118
                    0x05,                       /*  u8    bLength */
119
                    USB_DT_CS_INTERFACE,        /*  u8    bDescriptorType */
120
                    USB_CDC_HEADER_TYPE,        /*  u8    bDescriptorSubType */
121
                    0x10, 0x01,                 /*  le16  bcdCDC */
122
                },
123
            },{
124
                /* Call Management Descriptor */
125
                .data = (uint8_t[]) {
126
                    0x05,                       /*  u8    bLength */
127
                    USB_DT_CS_INTERFACE,        /*  u8    bDescriptorType */
128
                    USB_CDC_CALL_MANAGEMENT_TYPE, /*  u8    bDescriptorSubType */
129
                    0x00,                       /*  u8    bmCapabilities */
130
                    0x01,                       /*  u8    bDataInterface */
131
                },
132
            },{
133
                /* ACM Descriptor */
134
                .data = (uint8_t[]) {
135
                    0x04,                       /*  u8    bLength */
136
                    USB_DT_CS_INTERFACE,        /*  u8    bDescriptorType */
137
                    USB_CDC_ACM_TYPE,           /*  u8    bDescriptorSubType */
138
                    0x00,                       /*  u8    bmCapabilities */
139
                },
140
            },{
141
                /* Union Descriptor */
142
                .data = (uint8_t[]) {
143
                    0x05,                       /*  u8    bLength */
144
                    USB_DT_CS_INTERFACE,        /*  u8    bDescriptorType */
145
                    USB_CDC_UNION_TYPE,         /*  u8    bDescriptorSubType */
146
                    0x00,                       /*  u8    bMasterInterface0 */
147
                    0x01,                       /*  u8    bSlaveInterface0 */
148
                },
149
            },
150
        },
151
        .eps = (USBDescEndpoint[]) {
152
            {
153
                .bEndpointAddress      = USB_DIR_IN | 0x01,
154
                .bmAttributes          = USB_ENDPOINT_XFER_INT,
155
                .wMaxPacketSize        = STATUS_BYTECOUNT,
156
                .bInterval             = 1 << LOG2_STATUS_INTERVAL_MSEC,
157
            },
158
        }
159
    },{
160
        /* RNDIS Data Interface */
161
        .bInterfaceNumber              = 1,
162
        .bNumEndpoints                 = 2,
163
        .bInterfaceClass               = USB_CLASS_CDC_DATA,
164
        .iInterface                    = STRING_DATA,
165
        .eps = (USBDescEndpoint[]) {
166
            {
167
                .bEndpointAddress      = USB_DIR_IN | 0x02,
168
                .bmAttributes          = USB_ENDPOINT_XFER_BULK,
169
                .wMaxPacketSize        = 0x40,
170
            },{
171
                .bEndpointAddress      = USB_DIR_OUT | 0x02,
172
                .bmAttributes          = USB_ENDPOINT_XFER_BULK,
173
                .wMaxPacketSize        = 0x40,
174
            }
175
        }
176
    }
177
};
178

    
179
static const USBDescIface desc_iface_cdc[] = {
180
    {
181
        /* CDC Control Interface */
182
        .bInterfaceNumber              = 0,
183
        .bNumEndpoints                 = 1,
184
        .bInterfaceClass               = USB_CLASS_COMM,
185
        .bInterfaceSubClass            = USB_CDC_SUBCLASS_ETHERNET,
186
        .bInterfaceProtocol            = USB_CDC_PROTO_NONE,
187
        .iInterface                    = STRING_CONTROL,
188
        .ndesc                         = 3,
189
        .descs = (USBDescOther[]) {
190
            {
191
                /* Header Descriptor */
192
                .data = (uint8_t[]) {
193
                    0x05,                       /*  u8    bLength */
194
                    USB_DT_CS_INTERFACE,        /*  u8    bDescriptorType */
195
                    USB_CDC_HEADER_TYPE,        /*  u8    bDescriptorSubType */
196
                    0x10, 0x01,                 /*  le16  bcdCDC */
197
                },
198
            },{
199
                /* Union Descriptor */
200
                .data = (uint8_t[]) {
201
                    0x05,                       /*  u8    bLength */
202
                    USB_DT_CS_INTERFACE,        /*  u8    bDescriptorType */
203
                    USB_CDC_UNION_TYPE,         /*  u8    bDescriptorSubType */
204
                    0x00,                       /*  u8    bMasterInterface0 */
205
                    0x01,                       /*  u8    bSlaveInterface0 */
206
                },
207
            },{
208
                /* Ethernet Descriptor */
209
                .data = (uint8_t[]) {
210
                    0x0d,                       /*  u8    bLength */
211
                    USB_DT_CS_INTERFACE,        /*  u8    bDescriptorType */
212
                    USB_CDC_ETHERNET_TYPE,      /*  u8    bDescriptorSubType */
213
                    STRING_ETHADDR,             /*  u8    iMACAddress */
214
                    0x00, 0x00, 0x00, 0x00,     /*  le32  bmEthernetStatistics */
215
                    ETH_FRAME_LEN & 0xff,
216
                    ETH_FRAME_LEN >> 8,         /*  le16  wMaxSegmentSize */
217
                    0x00, 0x00,                 /*  le16  wNumberMCFilters */
218
                    0x00,                       /*  u8    bNumberPowerFilters */
219
                },
220
            },
221
        },
222
        .eps = (USBDescEndpoint[]) {
223
            {
224
                .bEndpointAddress      = USB_DIR_IN | 0x01,
225
                .bmAttributes          = USB_ENDPOINT_XFER_INT,
226
                .wMaxPacketSize        = STATUS_BYTECOUNT,
227
                .bInterval             = 1 << LOG2_STATUS_INTERVAL_MSEC,
228
            },
229
        }
230
    },{
231
        /* CDC Data Interface (off) */
232
        .bInterfaceNumber              = 1,
233
        .bAlternateSetting             = 0,
234
        .bNumEndpoints                 = 0,
235
        .bInterfaceClass               = USB_CLASS_CDC_DATA,
236
    },{
237
        /* CDC Data Interface */
238
        .bInterfaceNumber              = 1,
239
        .bAlternateSetting             = 1,
240
        .bNumEndpoints                 = 2,
241
        .bInterfaceClass               = USB_CLASS_CDC_DATA,
242
        .iInterface                    = STRING_DATA,
243
        .eps = (USBDescEndpoint[]) {
244
            {
245
                .bEndpointAddress      = USB_DIR_IN | 0x02,
246
                .bmAttributes          = USB_ENDPOINT_XFER_BULK,
247
                .wMaxPacketSize        = 0x40,
248
            },{
249
                .bEndpointAddress      = USB_DIR_OUT | 0x02,
250
                .bmAttributes          = USB_ENDPOINT_XFER_BULK,
251
                .wMaxPacketSize        = 0x40,
252
            }
253
        }
254
    }
255
};
256

    
257
static const USBDescDevice desc_device_net = {
258
    .bcdUSB                        = 0x0200,
259
    .bDeviceClass                  = USB_CLASS_COMM,
260
    .bMaxPacketSize0               = 0x40,
261
    .bNumConfigurations            = 2,
262
    .confs = (USBDescConfig[]) {
263
        {
264
            .bNumInterfaces        = 2,
265
            .bConfigurationValue   = DEV_RNDIS_CONFIG_VALUE,
266
            .iConfiguration        = STRING_RNDIS,
267
            .bmAttributes          = 0xc0,
268
            .bMaxPower             = 0x32,
269
            .nif = ARRAY_SIZE(desc_iface_rndis),
270
            .ifs = desc_iface_rndis,
271
        },{
272
            .bNumInterfaces        = 2,
273
            .bConfigurationValue   = DEV_CONFIG_VALUE,
274
            .iConfiguration        = STRING_CDC,
275
            .bmAttributes          = 0xc0,
276
            .bMaxPower             = 0x32,
277
            .nif = ARRAY_SIZE(desc_iface_cdc),
278
            .ifs = desc_iface_cdc,
279
        }
280
    },
281
};
282

    
283
static const USBDesc desc_net = {
284
    .id = {
285
        .idVendor          = RNDIS_VENDOR_NUM,
286
        .idProduct         = RNDIS_PRODUCT_NUM,
287
        .bcdDevice         = 0,
288
        .iManufacturer     = STRING_MANUFACTURER,
289
        .iProduct          = STRING_PRODUCT,
290
        .iSerialNumber     = STRING_SERIALNUMBER,
291
    },
292
    .full = &desc_device_net,
293
    .str  = usb_net_stringtable,
294
};
295

    
296
/*
297
 * RNDIS Definitions - in theory not specific to USB.
298
 */
299
#define RNDIS_MAXIMUM_FRAME_SIZE        1518
300
#define RNDIS_MAX_TOTAL_SIZE                1558
301

    
302
/* Remote NDIS Versions */
303
#define RNDIS_MAJOR_VERSION                1
304
#define RNDIS_MINOR_VERSION                0
305

    
306
/* Status Values */
307
#define RNDIS_STATUS_SUCCESS                0x00000000U /* Success */
308
#define RNDIS_STATUS_FAILURE                0xc0000001U /* Unspecified error */
309
#define RNDIS_STATUS_INVALID_DATA        0xc0010015U /* Invalid data */
310
#define RNDIS_STATUS_NOT_SUPPORTED        0xc00000bbU /* Unsupported request */
311
#define RNDIS_STATUS_MEDIA_CONNECT        0x4001000bU /* Device connected */
312
#define RNDIS_STATUS_MEDIA_DISCONNECT        0x4001000cU /* Device disconnected */
313

    
314
/* Message Set for Connectionless (802.3) Devices */
315
enum {
316
    RNDIS_PACKET_MSG                = 1,
317
    RNDIS_INITIALIZE_MSG        = 2,        /* Initialize device */
318
    RNDIS_HALT_MSG                = 3,
319
    RNDIS_QUERY_MSG                = 4,
320
    RNDIS_SET_MSG                = 5,
321
    RNDIS_RESET_MSG                = 6,
322
    RNDIS_INDICATE_STATUS_MSG        = 7,
323
    RNDIS_KEEPALIVE_MSG                = 8,
324
};
325

    
326
/* Message completion */
327
enum {
328
    RNDIS_INITIALIZE_CMPLT        = 0x80000002U,
329
    RNDIS_QUERY_CMPLT                = 0x80000004U,
330
    RNDIS_SET_CMPLT                = 0x80000005U,
331
    RNDIS_RESET_CMPLT                = 0x80000006U,
332
    RNDIS_KEEPALIVE_CMPLT        = 0x80000008U,
333
};
334

    
335
/* Device Flags */
336
enum {
337
    RNDIS_DF_CONNECTIONLESS        = 1,
338
    RNDIS_DF_CONNECTIONORIENTED        = 2,
339
};
340

    
341
#define RNDIS_MEDIUM_802_3                0x00000000U
342

    
343
/* from drivers/net/sk98lin/h/skgepnmi.h */
344
#define OID_PNP_CAPABILITIES                0xfd010100
345
#define OID_PNP_SET_POWER                0xfd010101
346
#define OID_PNP_QUERY_POWER                0xfd010102
347
#define OID_PNP_ADD_WAKE_UP_PATTERN        0xfd010103
348
#define OID_PNP_REMOVE_WAKE_UP_PATTERN        0xfd010104
349
#define OID_PNP_ENABLE_WAKE_UP                0xfd010106
350

    
351
typedef uint32_t le32;
352

    
353
typedef struct rndis_init_msg_type {
354
    le32 MessageType;
355
    le32 MessageLength;
356
    le32 RequestID;
357
    le32 MajorVersion;
358
    le32 MinorVersion;
359
    le32 MaxTransferSize;
360
} rndis_init_msg_type;
361

    
362
typedef struct rndis_init_cmplt_type {
363
    le32 MessageType;
364
    le32 MessageLength;
365
    le32 RequestID;
366
    le32 Status;
367
    le32 MajorVersion;
368
    le32 MinorVersion;
369
    le32 DeviceFlags;
370
    le32 Medium;
371
    le32 MaxPacketsPerTransfer;
372
    le32 MaxTransferSize;
373
    le32 PacketAlignmentFactor;
374
    le32 AFListOffset;
375
    le32 AFListSize;
376
} rndis_init_cmplt_type;
377

    
378
typedef struct rndis_halt_msg_type {
379
    le32 MessageType;
380
    le32 MessageLength;
381
    le32 RequestID;
382
} rndis_halt_msg_type;
383

    
384
typedef struct rndis_query_msg_type {
385
    le32 MessageType;
386
    le32 MessageLength;
387
    le32 RequestID;
388
    le32 OID;
389
    le32 InformationBufferLength;
390
    le32 InformationBufferOffset;
391
    le32 DeviceVcHandle;
392
} rndis_query_msg_type;
393

    
394
typedef struct rndis_query_cmplt_type {
395
    le32 MessageType;
396
    le32 MessageLength;
397
    le32 RequestID;
398
    le32 Status;
399
    le32 InformationBufferLength;
400
    le32 InformationBufferOffset;
401
} rndis_query_cmplt_type;
402

    
403
typedef struct rndis_set_msg_type {
404
    le32 MessageType;
405
    le32 MessageLength;
406
    le32 RequestID;
407
    le32 OID;
408
    le32 InformationBufferLength;
409
    le32 InformationBufferOffset;
410
    le32 DeviceVcHandle;
411
} rndis_set_msg_type;
412

    
413
typedef struct rndis_set_cmplt_type {
414
    le32 MessageType;
415
    le32 MessageLength;
416
    le32 RequestID;
417
    le32 Status;
418
} rndis_set_cmplt_type;
419

    
420
typedef struct rndis_reset_msg_type {
421
    le32 MessageType;
422
    le32 MessageLength;
423
    le32 Reserved;
424
} rndis_reset_msg_type;
425

    
426
typedef struct rndis_reset_cmplt_type {
427
    le32 MessageType;
428
    le32 MessageLength;
429
    le32 Status;
430
    le32 AddressingReset;
431
} rndis_reset_cmplt_type;
432

    
433
typedef struct rndis_indicate_status_msg_type {
434
    le32 MessageType;
435
    le32 MessageLength;
436
    le32 Status;
437
    le32 StatusBufferLength;
438
    le32 StatusBufferOffset;
439
} rndis_indicate_status_msg_type;
440

    
441
typedef struct rndis_keepalive_msg_type {
442
    le32 MessageType;
443
    le32 MessageLength;
444
    le32 RequestID;
445
} rndis_keepalive_msg_type;
446

    
447
typedef struct rndis_keepalive_cmplt_type {
448
    le32 MessageType;
449
    le32 MessageLength;
450
    le32 RequestID;
451
    le32 Status;
452
} rndis_keepalive_cmplt_type;
453

    
454
struct rndis_packet_msg_type {
455
    le32 MessageType;
456
    le32 MessageLength;
457
    le32 DataOffset;
458
    le32 DataLength;
459
    le32 OOBDataOffset;
460
    le32 OOBDataLength;
461
    le32 NumOOBDataElements;
462
    le32 PerPacketInfoOffset;
463
    le32 PerPacketInfoLength;
464
    le32 VcHandle;
465
    le32 Reserved;
466
};
467

    
468
struct rndis_config_parameter {
469
    le32 ParameterNameOffset;
470
    le32 ParameterNameLength;
471
    le32 ParameterType;
472
    le32 ParameterValueOffset;
473
    le32 ParameterValueLength;
474
};
475

    
476
/* implementation specific */
477
enum rndis_state
478
{
479
    RNDIS_UNINITIALIZED,
480
    RNDIS_INITIALIZED,
481
    RNDIS_DATA_INITIALIZED,
482
};
483

    
484
/* from ndis.h */
485
enum ndis_oid {
486
    /* Required Object IDs (OIDs) */
487
    OID_GEN_SUPPORTED_LIST                = 0x00010101,
488
    OID_GEN_HARDWARE_STATUS                = 0x00010102,
489
    OID_GEN_MEDIA_SUPPORTED                = 0x00010103,
490
    OID_GEN_MEDIA_IN_USE                = 0x00010104,
491
    OID_GEN_MAXIMUM_LOOKAHEAD                = 0x00010105,
492
    OID_GEN_MAXIMUM_FRAME_SIZE                = 0x00010106,
493
    OID_GEN_LINK_SPEED                        = 0x00010107,
494
    OID_GEN_TRANSMIT_BUFFER_SPACE        = 0x00010108,
495
    OID_GEN_RECEIVE_BUFFER_SPACE        = 0x00010109,
496
    OID_GEN_TRANSMIT_BLOCK_SIZE                = 0x0001010a,
497
    OID_GEN_RECEIVE_BLOCK_SIZE                = 0x0001010b,
498
    OID_GEN_VENDOR_ID                        = 0x0001010c,
499
    OID_GEN_VENDOR_DESCRIPTION                = 0x0001010d,
500
    OID_GEN_CURRENT_PACKET_FILTER        = 0x0001010e,
501
    OID_GEN_CURRENT_LOOKAHEAD                = 0x0001010f,
502
    OID_GEN_DRIVER_VERSION                = 0x00010110,
503
    OID_GEN_MAXIMUM_TOTAL_SIZE                = 0x00010111,
504
    OID_GEN_PROTOCOL_OPTIONS                = 0x00010112,
505
    OID_GEN_MAC_OPTIONS                        = 0x00010113,
506
    OID_GEN_MEDIA_CONNECT_STATUS        = 0x00010114,
507
    OID_GEN_MAXIMUM_SEND_PACKETS        = 0x00010115,
508
    OID_GEN_VENDOR_DRIVER_VERSION        = 0x00010116,
509
    OID_GEN_SUPPORTED_GUIDS                = 0x00010117,
510
    OID_GEN_NETWORK_LAYER_ADDRESSES        = 0x00010118,
511
    OID_GEN_TRANSPORT_HEADER_OFFSET        = 0x00010119,
512
    OID_GEN_MACHINE_NAME                = 0x0001021a,
513
    OID_GEN_RNDIS_CONFIG_PARAMETER        = 0x0001021b,
514
    OID_GEN_VLAN_ID                        = 0x0001021c,
515

    
516
    /* Optional OIDs */
517
    OID_GEN_MEDIA_CAPABILITIES                = 0x00010201,
518
    OID_GEN_PHYSICAL_MEDIUM                = 0x00010202,
519

    
520
    /* Required statistics OIDs */
521
    OID_GEN_XMIT_OK                        = 0x00020101,
522
    OID_GEN_RCV_OK                        = 0x00020102,
523
    OID_GEN_XMIT_ERROR                        = 0x00020103,
524
    OID_GEN_RCV_ERROR                        = 0x00020104,
525
    OID_GEN_RCV_NO_BUFFER                = 0x00020105,
526

    
527
    /* Optional statistics OIDs */
528
    OID_GEN_DIRECTED_BYTES_XMIT                = 0x00020201,
529
    OID_GEN_DIRECTED_FRAMES_XMIT        = 0x00020202,
530
    OID_GEN_MULTICAST_BYTES_XMIT        = 0x00020203,
531
    OID_GEN_MULTICAST_FRAMES_XMIT        = 0x00020204,
532
    OID_GEN_BROADCAST_BYTES_XMIT        = 0x00020205,
533
    OID_GEN_BROADCAST_FRAMES_XMIT        = 0x00020206,
534
    OID_GEN_DIRECTED_BYTES_RCV                = 0x00020207,
535
    OID_GEN_DIRECTED_FRAMES_RCV                = 0x00020208,
536
    OID_GEN_MULTICAST_BYTES_RCV                = 0x00020209,
537
    OID_GEN_MULTICAST_FRAMES_RCV        = 0x0002020a,
538
    OID_GEN_BROADCAST_BYTES_RCV                = 0x0002020b,
539
    OID_GEN_BROADCAST_FRAMES_RCV        = 0x0002020c,
540
    OID_GEN_RCV_CRC_ERROR                = 0x0002020d,
541
    OID_GEN_TRANSMIT_QUEUE_LENGTH        = 0x0002020e,
542
    OID_GEN_GET_TIME_CAPS                = 0x0002020f,
543
    OID_GEN_GET_NETCARD_TIME                = 0x00020210,
544
    OID_GEN_NETCARD_LOAD                = 0x00020211,
545
    OID_GEN_DEVICE_PROFILE                = 0x00020212,
546
    OID_GEN_INIT_TIME_MS                = 0x00020213,
547
    OID_GEN_RESET_COUNTS                = 0x00020214,
548
    OID_GEN_MEDIA_SENSE_COUNTS                = 0x00020215,
549
    OID_GEN_FRIENDLY_NAME                = 0x00020216,
550
    OID_GEN_MINIPORT_INFO                = 0x00020217,
551
    OID_GEN_RESET_VERIFY_PARAMETERS        = 0x00020218,
552

    
553
    /* IEEE 802.3 (Ethernet) OIDs */
554
    OID_802_3_PERMANENT_ADDRESS                = 0x01010101,
555
    OID_802_3_CURRENT_ADDRESS                = 0x01010102,
556
    OID_802_3_MULTICAST_LIST                = 0x01010103,
557
    OID_802_3_MAXIMUM_LIST_SIZE                = 0x01010104,
558
    OID_802_3_MAC_OPTIONS                = 0x01010105,
559
    OID_802_3_RCV_ERROR_ALIGNMENT        = 0x01020101,
560
    OID_802_3_XMIT_ONE_COLLISION        = 0x01020102,
561
    OID_802_3_XMIT_MORE_COLLISIONS        = 0x01020103,
562
    OID_802_3_XMIT_DEFERRED                = 0x01020201,
563
    OID_802_3_XMIT_MAX_COLLISIONS        = 0x01020202,
564
    OID_802_3_RCV_OVERRUN                = 0x01020203,
565
    OID_802_3_XMIT_UNDERRUN                = 0x01020204,
566
    OID_802_3_XMIT_HEARTBEAT_FAILURE        = 0x01020205,
567
    OID_802_3_XMIT_TIMES_CRS_LOST        = 0x01020206,
568
    OID_802_3_XMIT_LATE_COLLISIONS        = 0x01020207,
569
};
570

    
571
static const uint32_t oid_supported_list[] =
572
{
573
    /* the general stuff */
574
    OID_GEN_SUPPORTED_LIST,
575
    OID_GEN_HARDWARE_STATUS,
576
    OID_GEN_MEDIA_SUPPORTED,
577
    OID_GEN_MEDIA_IN_USE,
578
    OID_GEN_MAXIMUM_FRAME_SIZE,
579
    OID_GEN_LINK_SPEED,
580
    OID_GEN_TRANSMIT_BLOCK_SIZE,
581
    OID_GEN_RECEIVE_BLOCK_SIZE,
582
    OID_GEN_VENDOR_ID,
583
    OID_GEN_VENDOR_DESCRIPTION,
584
    OID_GEN_VENDOR_DRIVER_VERSION,
585
    OID_GEN_CURRENT_PACKET_FILTER,
586
    OID_GEN_MAXIMUM_TOTAL_SIZE,
587
    OID_GEN_MEDIA_CONNECT_STATUS,
588
    OID_GEN_PHYSICAL_MEDIUM,
589

    
590
    /* the statistical stuff */
591
    OID_GEN_XMIT_OK,
592
    OID_GEN_RCV_OK,
593
    OID_GEN_XMIT_ERROR,
594
    OID_GEN_RCV_ERROR,
595
    OID_GEN_RCV_NO_BUFFER,
596

    
597
    /* IEEE 802.3 */
598
    /* the general stuff */
599
    OID_802_3_PERMANENT_ADDRESS,
600
    OID_802_3_CURRENT_ADDRESS,
601
    OID_802_3_MULTICAST_LIST,
602
    OID_802_3_MAC_OPTIONS,
603
    OID_802_3_MAXIMUM_LIST_SIZE,
604

    
605
    /* the statistical stuff */
606
    OID_802_3_RCV_ERROR_ALIGNMENT,
607
    OID_802_3_XMIT_ONE_COLLISION,
608
    OID_802_3_XMIT_MORE_COLLISIONS,
609
};
610

    
611
#define NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA        (1 << 0)
612
#define NDIS_MAC_OPTION_RECEIVE_SERIALIZED        (1 << 1)
613
#define NDIS_MAC_OPTION_TRANSFERS_NOT_PEND        (1 << 2)
614
#define NDIS_MAC_OPTION_NO_LOOPBACK                (1 << 3)
615
#define NDIS_MAC_OPTION_FULL_DUPLEX                (1 << 4)
616
#define NDIS_MAC_OPTION_EOTX_INDICATION                (1 << 5)
617
#define NDIS_MAC_OPTION_8021P_PRIORITY                (1 << 6)
618

    
619
struct rndis_response {
620
    QTAILQ_ENTRY(rndis_response) entries;
621
    uint32_t length;
622
    uint8_t buf[0];
623
};
624

    
625
typedef struct USBNetState {
626
    USBDevice dev;
627

    
628
    enum rndis_state rndis_state;
629
    uint32_t medium;
630
    uint32_t speed;
631
    uint32_t media_state;
632
    uint16_t filter;
633
    uint32_t vendorid;
634

    
635
    unsigned int out_ptr;
636
    uint8_t out_buf[2048];
637

    
638
    USBPacket *inpkt;
639
    unsigned int in_ptr, in_len;
640
    uint8_t in_buf[2048];
641

    
642
    char usbstring_mac[13];
643
    NICState *nic;
644
    NICConf conf;
645
    QTAILQ_HEAD(rndis_resp_head, rndis_response) rndis_resp;
646
} USBNetState;
647

    
648
static int is_rndis(USBNetState *s)
649
{
650
    return s->dev.config->bConfigurationValue == DEV_RNDIS_CONFIG_VALUE;
651
}
652

    
653
static int ndis_query(USBNetState *s, uint32_t oid,
654
                      uint8_t *inbuf, unsigned int inlen, uint8_t *outbuf,
655
                      size_t outlen)
656
{
657
    unsigned int i;
658

    
659
    switch (oid) {
660
    /* general oids (table 4-1) */
661
    /* mandatory */
662
    case OID_GEN_SUPPORTED_LIST:
663
        for (i = 0; i < ARRAY_SIZE(oid_supported_list); i++)
664
            ((le32 *) outbuf)[i] = cpu_to_le32(oid_supported_list[i]);
665
        return sizeof(oid_supported_list);
666

    
667
    /* mandatory */
668
    case OID_GEN_HARDWARE_STATUS:
669
        *((le32 *) outbuf) = cpu_to_le32(0);
670
        return sizeof(le32);
671

    
672
    /* mandatory */
673
    case OID_GEN_MEDIA_SUPPORTED:
674
        *((le32 *) outbuf) = cpu_to_le32(s->medium);
675
        return sizeof(le32);
676

    
677
    /* mandatory */
678
    case OID_GEN_MEDIA_IN_USE:
679
        *((le32 *) outbuf) = cpu_to_le32(s->medium);
680
        return sizeof(le32);
681

    
682
    /* mandatory */
683
    case OID_GEN_MAXIMUM_FRAME_SIZE:
684
        *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
685
        return sizeof(le32);
686

    
687
    /* mandatory */
688
    case OID_GEN_LINK_SPEED:
689
        *((le32 *) outbuf) = cpu_to_le32(s->speed);
690
        return sizeof(le32);
691

    
692
    /* mandatory */
693
    case OID_GEN_TRANSMIT_BLOCK_SIZE:
694
        *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
695
        return sizeof(le32);
696

    
697
    /* mandatory */
698
    case OID_GEN_RECEIVE_BLOCK_SIZE:
699
        *((le32 *) outbuf) = cpu_to_le32(ETH_FRAME_LEN);
700
        return sizeof(le32);
701

    
702
    /* mandatory */
703
    case OID_GEN_VENDOR_ID:
704
        *((le32 *) outbuf) = cpu_to_le32(s->vendorid);
705
        return sizeof(le32);
706

    
707
    /* mandatory */
708
    case OID_GEN_VENDOR_DESCRIPTION:
709
        pstrcpy((char *)outbuf, outlen, "QEMU USB RNDIS Net");
710
        return strlen((char *)outbuf) + 1;
711

    
712
    case OID_GEN_VENDOR_DRIVER_VERSION:
713
        *((le32 *) outbuf) = cpu_to_le32(1);
714
        return sizeof(le32);
715

    
716
    /* mandatory */
717
    case OID_GEN_CURRENT_PACKET_FILTER:
718
        *((le32 *) outbuf) = cpu_to_le32(s->filter);
719
        return sizeof(le32);
720

    
721
    /* mandatory */
722
    case OID_GEN_MAXIMUM_TOTAL_SIZE:
723
        *((le32 *) outbuf) = cpu_to_le32(RNDIS_MAX_TOTAL_SIZE);
724
        return sizeof(le32);
725

    
726
    /* mandatory */
727
    case OID_GEN_MEDIA_CONNECT_STATUS:
728
        *((le32 *) outbuf) = cpu_to_le32(s->media_state);
729
        return sizeof(le32);
730

    
731
    case OID_GEN_PHYSICAL_MEDIUM:
732
        *((le32 *) outbuf) = cpu_to_le32(0);
733
        return sizeof(le32);
734

    
735
    case OID_GEN_MAC_OPTIONS:
736
        *((le32 *) outbuf) = cpu_to_le32(
737
                        NDIS_MAC_OPTION_RECEIVE_SERIALIZED |
738
                        NDIS_MAC_OPTION_FULL_DUPLEX);
739
        return sizeof(le32);
740

    
741
    /* statistics OIDs (table 4-2) */
742
    /* mandatory */
743
    case OID_GEN_XMIT_OK:
744
        *((le32 *) outbuf) = cpu_to_le32(0);
745
        return sizeof(le32);
746

    
747
    /* mandatory */
748
    case OID_GEN_RCV_OK:
749
        *((le32 *) outbuf) = cpu_to_le32(0);
750
        return sizeof(le32);
751

    
752
    /* mandatory */
753
    case OID_GEN_XMIT_ERROR:
754
        *((le32 *) outbuf) = cpu_to_le32(0);
755
        return sizeof(le32);
756

    
757
    /* mandatory */
758
    case OID_GEN_RCV_ERROR:
759
        *((le32 *) outbuf) = cpu_to_le32(0);
760
        return sizeof(le32);
761

    
762
    /* mandatory */
763
    case OID_GEN_RCV_NO_BUFFER:
764
        *((le32 *) outbuf) = cpu_to_le32(0);
765
        return sizeof(le32);
766

    
767
    /* ieee802.3 OIDs (table 4-3) */
768
    /* mandatory */
769
    case OID_802_3_PERMANENT_ADDRESS:
770
        memcpy(outbuf, s->conf.macaddr.a, 6);
771
        return 6;
772

    
773
    /* mandatory */
774
    case OID_802_3_CURRENT_ADDRESS:
775
        memcpy(outbuf, s->conf.macaddr.a, 6);
776
        return 6;
777

    
778
    /* mandatory */
779
    case OID_802_3_MULTICAST_LIST:
780
        *((le32 *) outbuf) = cpu_to_le32(0xe0000000);
781
        return sizeof(le32);
782

    
783
    /* mandatory */
784
    case OID_802_3_MAXIMUM_LIST_SIZE:
785
        *((le32 *) outbuf) = cpu_to_le32(1);
786
        return sizeof(le32);
787

    
788
    case OID_802_3_MAC_OPTIONS:
789
        return 0;
790

    
791
    /* ieee802.3 statistics OIDs (table 4-4) */
792
    /* mandatory */
793
    case OID_802_3_RCV_ERROR_ALIGNMENT:
794
        *((le32 *) outbuf) = cpu_to_le32(0);
795
        return sizeof(le32);
796

    
797
    /* mandatory */
798
    case OID_802_3_XMIT_ONE_COLLISION:
799
        *((le32 *) outbuf) = cpu_to_le32(0);
800
        return sizeof(le32);
801

    
802
    /* mandatory */
803
    case OID_802_3_XMIT_MORE_COLLISIONS:
804
        *((le32 *) outbuf) = cpu_to_le32(0);
805
        return sizeof(le32);
806

    
807
    default:
808
        fprintf(stderr, "usbnet: unknown OID 0x%08x\n", oid);
809
        return 0;
810
    }
811
    return -1;
812
}
813

    
814
static int ndis_set(USBNetState *s, uint32_t oid,
815
                uint8_t *inbuf, unsigned int inlen)
816
{
817
    switch (oid) {
818
    case OID_GEN_CURRENT_PACKET_FILTER:
819
        s->filter = le32_to_cpup((le32 *) inbuf);
820
        if (s->filter) {
821
            s->rndis_state = RNDIS_DATA_INITIALIZED;
822
        } else {
823
            s->rndis_state = RNDIS_INITIALIZED;
824
        }
825
        return 0;
826

    
827
    case OID_802_3_MULTICAST_LIST:
828
        return 0;
829
    }
830
    return -1;
831
}
832

    
833
static int rndis_get_response(USBNetState *s, uint8_t *buf)
834
{
835
    int ret = 0;
836
    struct rndis_response *r = s->rndis_resp.tqh_first;
837

    
838
    if (!r)
839
        return ret;
840

    
841
    QTAILQ_REMOVE(&s->rndis_resp, r, entries);
842
    ret = r->length;
843
    memcpy(buf, r->buf, r->length);
844
    g_free(r);
845

    
846
    return ret;
847
}
848

    
849
static void *rndis_queue_response(USBNetState *s, unsigned int length)
850
{
851
    struct rndis_response *r =
852
            g_malloc0(sizeof(struct rndis_response) + length);
853

    
854
    QTAILQ_INSERT_TAIL(&s->rndis_resp, r, entries);
855
    r->length = length;
856

    
857
    return &r->buf[0];
858
}
859

    
860
static void rndis_clear_responsequeue(USBNetState *s)
861
{
862
    struct rndis_response *r;
863

    
864
    while ((r = s->rndis_resp.tqh_first)) {
865
        QTAILQ_REMOVE(&s->rndis_resp, r, entries);
866
        g_free(r);
867
    }
868
}
869

    
870
static int rndis_init_response(USBNetState *s, rndis_init_msg_type *buf)
871
{
872
    rndis_init_cmplt_type *resp =
873
            rndis_queue_response(s, sizeof(rndis_init_cmplt_type));
874

    
875
    if (!resp)
876
        return USB_RET_STALL;
877

    
878
    resp->MessageType = cpu_to_le32(RNDIS_INITIALIZE_CMPLT);
879
    resp->MessageLength = cpu_to_le32(sizeof(rndis_init_cmplt_type));
880
    resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
881
    resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
882
    resp->MajorVersion = cpu_to_le32(RNDIS_MAJOR_VERSION);
883
    resp->MinorVersion = cpu_to_le32(RNDIS_MINOR_VERSION);
884
    resp->DeviceFlags = cpu_to_le32(RNDIS_DF_CONNECTIONLESS);
885
    resp->Medium = cpu_to_le32(RNDIS_MEDIUM_802_3);
886
    resp->MaxPacketsPerTransfer = cpu_to_le32(1);
887
    resp->MaxTransferSize = cpu_to_le32(ETH_FRAME_LEN +
888
                    sizeof(struct rndis_packet_msg_type) + 22);
889
    resp->PacketAlignmentFactor = cpu_to_le32(0);
890
    resp->AFListOffset = cpu_to_le32(0);
891
    resp->AFListSize = cpu_to_le32(0);
892
    return 0;
893
}
894

    
895
static int rndis_query_response(USBNetState *s,
896
                rndis_query_msg_type *buf, unsigned int length)
897
{
898
    rndis_query_cmplt_type *resp;
899
    /* oid_supported_list is the largest data reply */
900
    uint8_t infobuf[sizeof(oid_supported_list)];
901
    uint32_t bufoffs, buflen;
902
    int infobuflen;
903
    unsigned int resplen;
904

    
905
    bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
906
    buflen = le32_to_cpu(buf->InformationBufferLength);
907
    if (bufoffs + buflen > length)
908
        return USB_RET_STALL;
909

    
910
    infobuflen = ndis_query(s, le32_to_cpu(buf->OID),
911
                            bufoffs + (uint8_t *) buf, buflen, infobuf,
912
                            sizeof(infobuf));
913
    resplen = sizeof(rndis_query_cmplt_type) +
914
            ((infobuflen < 0) ? 0 : infobuflen);
915
    resp = rndis_queue_response(s, resplen);
916
    if (!resp)
917
        return USB_RET_STALL;
918

    
919
    resp->MessageType = cpu_to_le32(RNDIS_QUERY_CMPLT);
920
    resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
921
    resp->MessageLength = cpu_to_le32(resplen);
922

    
923
    if (infobuflen < 0) {
924
        /* OID not supported */
925
        resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
926
        resp->InformationBufferLength = cpu_to_le32(0);
927
        resp->InformationBufferOffset = cpu_to_le32(0);
928
        return 0;
929
    }
930

    
931
    resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
932
    resp->InformationBufferOffset =
933
            cpu_to_le32(infobuflen ? sizeof(rndis_query_cmplt_type) - 8 : 0);
934
    resp->InformationBufferLength = cpu_to_le32(infobuflen);
935
    memcpy(resp + 1, infobuf, infobuflen);
936

    
937
    return 0;
938
}
939

    
940
static int rndis_set_response(USBNetState *s,
941
                rndis_set_msg_type *buf, unsigned int length)
942
{
943
    rndis_set_cmplt_type *resp =
944
            rndis_queue_response(s, sizeof(rndis_set_cmplt_type));
945
    uint32_t bufoffs, buflen;
946
    int ret;
947

    
948
    if (!resp)
949
        return USB_RET_STALL;
950

    
951
    bufoffs = le32_to_cpu(buf->InformationBufferOffset) + 8;
952
    buflen = le32_to_cpu(buf->InformationBufferLength);
953
    if (bufoffs + buflen > length)
954
        return USB_RET_STALL;
955

    
956
    ret = ndis_set(s, le32_to_cpu(buf->OID),
957
                    bufoffs + (uint8_t *) buf, buflen);
958
    resp->MessageType = cpu_to_le32(RNDIS_SET_CMPLT);
959
    resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
960
    resp->MessageLength = cpu_to_le32(sizeof(rndis_set_cmplt_type));
961
    if (ret < 0) {
962
        /* OID not supported */
963
        resp->Status = cpu_to_le32(RNDIS_STATUS_NOT_SUPPORTED);
964
        return 0;
965
    }
966
    resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
967

    
968
    return 0;
969
}
970

    
971
static int rndis_reset_response(USBNetState *s, rndis_reset_msg_type *buf)
972
{
973
    rndis_reset_cmplt_type *resp =
974
            rndis_queue_response(s, sizeof(rndis_reset_cmplt_type));
975

    
976
    if (!resp)
977
        return USB_RET_STALL;
978

    
979
    resp->MessageType = cpu_to_le32(RNDIS_RESET_CMPLT);
980
    resp->MessageLength = cpu_to_le32(sizeof(rndis_reset_cmplt_type));
981
    resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
982
    resp->AddressingReset = cpu_to_le32(1); /* reset information */
983

    
984
    return 0;
985
}
986

    
987
static int rndis_keepalive_response(USBNetState *s,
988
                rndis_keepalive_msg_type *buf)
989
{
990
    rndis_keepalive_cmplt_type *resp =
991
            rndis_queue_response(s, sizeof(rndis_keepalive_cmplt_type));
992

    
993
    if (!resp)
994
        return USB_RET_STALL;
995

    
996
    resp->MessageType = cpu_to_le32(RNDIS_KEEPALIVE_CMPLT);
997
    resp->MessageLength = cpu_to_le32(sizeof(rndis_keepalive_cmplt_type));
998
    resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
999
    resp->Status = cpu_to_le32(RNDIS_STATUS_SUCCESS);
1000

    
1001
    return 0;
1002
}
1003

    
1004
static int rndis_parse(USBNetState *s, uint8_t *data, int length)
1005
{
1006
    uint32_t msg_type;
1007
    le32 *tmp = (le32 *) data;
1008

    
1009
    msg_type = le32_to_cpup(tmp);
1010

    
1011
    switch (msg_type) {
1012
    case RNDIS_INITIALIZE_MSG:
1013
        s->rndis_state = RNDIS_INITIALIZED;
1014
        return rndis_init_response(s, (rndis_init_msg_type *) data);
1015

    
1016
    case RNDIS_HALT_MSG:
1017
        s->rndis_state = RNDIS_UNINITIALIZED;
1018
        return 0;
1019

    
1020
    case RNDIS_QUERY_MSG:
1021
        return rndis_query_response(s, (rndis_query_msg_type *) data, length);
1022

    
1023
    case RNDIS_SET_MSG:
1024
        return rndis_set_response(s, (rndis_set_msg_type *) data, length);
1025

    
1026
    case RNDIS_RESET_MSG:
1027
        rndis_clear_responsequeue(s);
1028
        s->out_ptr = s->in_ptr = s->in_len = 0;
1029
        return rndis_reset_response(s, (rndis_reset_msg_type *) data);
1030

    
1031
    case RNDIS_KEEPALIVE_MSG:
1032
        /* For USB: host does this every 5 seconds */
1033
        return rndis_keepalive_response(s, (rndis_keepalive_msg_type *) data);
1034
    }
1035

    
1036
    return USB_RET_STALL;
1037
}
1038

    
1039
static void usb_net_handle_reset(USBDevice *dev)
1040
{
1041
}
1042

    
1043
static int usb_net_handle_control(USBDevice *dev, USBPacket *p,
1044
               int request, int value, int index, int length, uint8_t *data)
1045
{
1046
    USBNetState *s = (USBNetState *) dev;
1047
    int ret;
1048

    
1049
    ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
1050
    if (ret >= 0) {
1051
        return ret;
1052
    }
1053

    
1054
    ret = 0;
1055
    switch(request) {
1056
    case ClassInterfaceOutRequest | USB_CDC_SEND_ENCAPSULATED_COMMAND:
1057
        if (!is_rndis(s) || value || index != 0) {
1058
            goto fail;
1059
        }
1060
#ifdef TRAFFIC_DEBUG
1061
        {
1062
            unsigned int i;
1063
            fprintf(stderr, "SEND_ENCAPSULATED_COMMAND:");
1064
            for (i = 0; i < length; i++) {
1065
                if (!(i & 15))
1066
                    fprintf(stderr, "\n%04x:", i);
1067
                fprintf(stderr, " %02x", data[i]);
1068
            }
1069
            fprintf(stderr, "\n\n");
1070
        }
1071
#endif
1072
        ret = rndis_parse(s, data, length);
1073
        break;
1074

    
1075
    case ClassInterfaceRequest | USB_CDC_GET_ENCAPSULATED_RESPONSE:
1076
        if (!is_rndis(s) || value || index != 0) {
1077
            goto fail;
1078
        }
1079
        ret = rndis_get_response(s, data);
1080
        if (!ret) {
1081
            data[0] = 0;
1082
            ret = 1;
1083
        }
1084
#ifdef TRAFFIC_DEBUG
1085
        {
1086
            unsigned int i;
1087
            fprintf(stderr, "GET_ENCAPSULATED_RESPONSE:");
1088
            for (i = 0; i < ret; i++) {
1089
                if (!(i & 15))
1090
                    fprintf(stderr, "\n%04x:", i);
1091
                fprintf(stderr, " %02x", data[i]);
1092
            }
1093
            fprintf(stderr, "\n\n");
1094
        }
1095
#endif
1096
        break;
1097

    
1098
    default:
1099
    fail:
1100
        fprintf(stderr, "usbnet: failed control transaction: "
1101
                        "request 0x%x value 0x%x index 0x%x length 0x%x\n",
1102
                        request, value, index, length);
1103
        ret = USB_RET_STALL;
1104
        break;
1105
    }
1106
    return ret;
1107
}
1108

    
1109
static int usb_net_handle_statusin(USBNetState *s, USBPacket *p)
1110
{
1111
    le32 buf[2];
1112
    int ret = 8;
1113

    
1114
    if (p->iov.size < 8) {
1115
        return USB_RET_STALL;
1116
    }
1117

    
1118
    buf[0] = cpu_to_le32(1);
1119
    buf[1] = cpu_to_le32(0);
1120
    usb_packet_copy(p, buf, 8);
1121
    if (!s->rndis_resp.tqh_first)
1122
        ret = USB_RET_NAK;
1123

    
1124
#ifdef TRAFFIC_DEBUG
1125
    fprintf(stderr, "usbnet: interrupt poll len %zu return %d",
1126
            p->iov.size, ret);
1127
    iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", ret);
1128
#endif
1129

    
1130
    return ret;
1131
}
1132

    
1133
static int usb_net_handle_datain(USBNetState *s, USBPacket *p)
1134
{
1135
    int ret = USB_RET_NAK;
1136

    
1137
    if (s->in_ptr > s->in_len) {
1138
        s->in_ptr = s->in_len = 0;
1139
        ret = USB_RET_NAK;
1140
        return ret;
1141
    }
1142
    if (!s->in_len) {
1143
        ret = USB_RET_NAK;
1144
        return ret;
1145
    }
1146
    ret = s->in_len - s->in_ptr;
1147
    if (ret > p->iov.size) {
1148
        ret = p->iov.size;
1149
    }
1150
    usb_packet_copy(p, &s->in_buf[s->in_ptr], ret);
1151
    s->in_ptr += ret;
1152
    if (s->in_ptr >= s->in_len &&
1153
                    (is_rndis(s) || (s->in_len & (64 - 1)) || !ret)) {
1154
        /* no short packet necessary */
1155
        s->in_ptr = s->in_len = 0;
1156
    }
1157

    
1158
#ifdef TRAFFIC_DEBUG
1159
    fprintf(stderr, "usbnet: data in len %zu return %d", p->iov.size, ret);
1160
    iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", ret);
1161
#endif
1162

    
1163
    return ret;
1164
}
1165

    
1166
static int usb_net_handle_dataout(USBNetState *s, USBPacket *p)
1167
{
1168
    int ret = p->iov.size;
1169
    int sz = sizeof(s->out_buf) - s->out_ptr;
1170
    struct rndis_packet_msg_type *msg =
1171
            (struct rndis_packet_msg_type *) s->out_buf;
1172
    uint32_t len;
1173

    
1174
#ifdef TRAFFIC_DEBUG
1175
    fprintf(stderr, "usbnet: data out len %zu\n", p->iov.size);
1176
    iov_hexdump(p->iov.iov, p->iov.niov, stderr, "usbnet", p->iov.size);
1177
#endif
1178

    
1179
    if (sz > ret)
1180
        sz = ret;
1181
    usb_packet_copy(p, &s->out_buf[s->out_ptr], sz);
1182
    s->out_ptr += sz;
1183

    
1184
    if (!is_rndis(s)) {
1185
        if (ret < 64) {
1186
            qemu_send_packet(&s->nic->nc, s->out_buf, s->out_ptr);
1187
            s->out_ptr = 0;
1188
        }
1189
        return ret;
1190
    }
1191
    len = le32_to_cpu(msg->MessageLength);
1192
    if (s->out_ptr < 8 || s->out_ptr < len)
1193
        return ret;
1194
    if (le32_to_cpu(msg->MessageType) == RNDIS_PACKET_MSG) {
1195
        uint32_t offs = 8 + le32_to_cpu(msg->DataOffset);
1196
        uint32_t size = le32_to_cpu(msg->DataLength);
1197
        if (offs + size <= len)
1198
            qemu_send_packet(&s->nic->nc, s->out_buf + offs, size);
1199
    }
1200
    s->out_ptr -= len;
1201
    memmove(s->out_buf, &s->out_buf[len], s->out_ptr);
1202

    
1203
    return ret;
1204
}
1205

    
1206
static int usb_net_handle_data(USBDevice *dev, USBPacket *p)
1207
{
1208
    USBNetState *s = (USBNetState *) dev;
1209
    int ret = 0;
1210

    
1211
    switch(p->pid) {
1212
    case USB_TOKEN_IN:
1213
        switch (p->ep->nr) {
1214
        case 1:
1215
            ret = usb_net_handle_statusin(s, p);
1216
            break;
1217

    
1218
        case 2:
1219
            ret = usb_net_handle_datain(s, p);
1220
            break;
1221

    
1222
        default:
1223
            goto fail;
1224
        }
1225
        break;
1226

    
1227
    case USB_TOKEN_OUT:
1228
        switch (p->ep->nr) {
1229
        case 2:
1230
            ret = usb_net_handle_dataout(s, p);
1231
            break;
1232

    
1233
        default:
1234
            goto fail;
1235
        }
1236
        break;
1237

    
1238
    default:
1239
    fail:
1240
        ret = USB_RET_STALL;
1241
        break;
1242
    }
1243
    if (ret == USB_RET_STALL)
1244
        fprintf(stderr, "usbnet: failed data transaction: "
1245
                        "pid 0x%x ep 0x%x len 0x%zx\n",
1246
                        p->pid, p->ep->nr, p->iov.size);
1247
    return ret;
1248
}
1249

    
1250
static ssize_t usbnet_receive(VLANClientState *nc, const uint8_t *buf, size_t size)
1251
{
1252
    USBNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
1253
    struct rndis_packet_msg_type *msg;
1254

    
1255
    if (is_rndis(s)) {
1256
        msg = (struct rndis_packet_msg_type *) s->in_buf;
1257
        if (s->rndis_state != RNDIS_DATA_INITIALIZED) {
1258
            return -1;
1259
        }
1260
        if (size + sizeof(struct rndis_packet_msg_type) > sizeof(s->in_buf))
1261
            return -1;
1262

    
1263
        memset(msg, 0, sizeof(struct rndis_packet_msg_type));
1264
        msg->MessageType = cpu_to_le32(RNDIS_PACKET_MSG);
1265
        msg->MessageLength = cpu_to_le32(size + sizeof(struct rndis_packet_msg_type));
1266
        msg->DataOffset = cpu_to_le32(sizeof(struct rndis_packet_msg_type) - 8);
1267
        msg->DataLength = cpu_to_le32(size);
1268
        /* msg->OOBDataOffset;
1269
         * msg->OOBDataLength;
1270
         * msg->NumOOBDataElements;
1271
         * msg->PerPacketInfoOffset;
1272
         * msg->PerPacketInfoLength;
1273
         * msg->VcHandle;
1274
         * msg->Reserved;
1275
         */
1276
        memcpy(msg + 1, buf, size);
1277
        s->in_len = size + sizeof(struct rndis_packet_msg_type);
1278
    } else {
1279
        if (size > sizeof(s->in_buf))
1280
            return -1;
1281
        memcpy(s->in_buf, buf, size);
1282
        s->in_len = size;
1283
    }
1284
    s->in_ptr = 0;
1285
    return size;
1286
}
1287

    
1288
static int usbnet_can_receive(VLANClientState *nc)
1289
{
1290
    USBNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
1291

    
1292
    if (is_rndis(s) && s->rndis_state != RNDIS_DATA_INITIALIZED) {
1293
        return 1;
1294
    }
1295

    
1296
    return !s->in_len;
1297
}
1298

    
1299
static void usbnet_cleanup(VLANClientState *nc)
1300
{
1301
    USBNetState *s = DO_UPCAST(NICState, nc, nc)->opaque;
1302

    
1303
    s->nic = NULL;
1304
}
1305

    
1306
static void usb_net_handle_destroy(USBDevice *dev)
1307
{
1308
    USBNetState *s = (USBNetState *) dev;
1309

    
1310
    /* TODO: remove the nd_table[] entry */
1311
    rndis_clear_responsequeue(s);
1312
    qemu_del_vlan_client(&s->nic->nc);
1313
}
1314

    
1315
static NetClientInfo net_usbnet_info = {
1316
    .type = NET_CLIENT_TYPE_NIC,
1317
    .size = sizeof(NICState),
1318
    .can_receive = usbnet_can_receive,
1319
    .receive = usbnet_receive,
1320
    .cleanup = usbnet_cleanup,
1321
};
1322

    
1323
static int usb_net_initfn(USBDevice *dev)
1324
{
1325
    USBNetState *s = DO_UPCAST(USBNetState, dev, dev);
1326

    
1327
    usb_desc_init(dev);
1328

    
1329
    s->rndis_state = RNDIS_UNINITIALIZED;
1330
    QTAILQ_INIT(&s->rndis_resp);
1331

    
1332
    s->medium = 0;        /* NDIS_MEDIUM_802_3 */
1333
    s->speed = 1000000; /* 100MBps, in 100Bps units */
1334
    s->media_state = 0;        /* NDIS_MEDIA_STATE_CONNECTED */;
1335
    s->filter = 0;
1336
    s->vendorid = 0x1234;
1337

    
1338
    qemu_macaddr_default_if_unset(&s->conf.macaddr);
1339
    s->nic = qemu_new_nic(&net_usbnet_info, &s->conf,
1340
                          object_get_typename(OBJECT(s)), s->dev.qdev.id, s);
1341
    qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a);
1342
    snprintf(s->usbstring_mac, sizeof(s->usbstring_mac),
1343
             "%02x%02x%02x%02x%02x%02x",
1344
             0x40,
1345
             s->conf.macaddr.a[1],
1346
             s->conf.macaddr.a[2],
1347
             s->conf.macaddr.a[3],
1348
             s->conf.macaddr.a[4],
1349
             s->conf.macaddr.a[5]);
1350
    usb_desc_set_string(dev, STRING_ETHADDR, s->usbstring_mac);
1351

    
1352
    add_boot_device_path(s->conf.bootindex, &dev->qdev, "/ethernet@0");
1353
    return 0;
1354
}
1355

    
1356
static USBDevice *usb_net_init(const char *cmdline)
1357
{
1358
    USBDevice *dev;
1359
    QemuOpts *opts;
1360
    int idx;
1361

    
1362
    opts = qemu_opts_parse(qemu_find_opts("net"), cmdline, 0);
1363
    if (!opts) {
1364
        return NULL;
1365
    }
1366
    qemu_opt_set(opts, "type", "nic");
1367
    qemu_opt_set(opts, "model", "usb");
1368

    
1369
    idx = net_client_init(NULL, opts, 0);
1370
    if (idx == -1) {
1371
        return NULL;
1372
    }
1373

    
1374
    dev = usb_create(NULL /* FIXME */, "usb-net");
1375
    if (!dev) {
1376
        return NULL;
1377
    }
1378
    qdev_set_nic_properties(&dev->qdev, &nd_table[idx]);
1379
    qdev_init_nofail(&dev->qdev);
1380
    return dev;
1381
}
1382

    
1383
static const VMStateDescription vmstate_usb_net = {
1384
    .name = "usb-net",
1385
    .unmigratable = 1,
1386
};
1387

    
1388
static Property net_properties[] = {
1389
    DEFINE_NIC_PROPERTIES(USBNetState, conf),
1390
    DEFINE_PROP_END_OF_LIST(),
1391
};
1392

    
1393
static void usb_net_class_initfn(ObjectClass *klass, void *data)
1394
{
1395
    DeviceClass *dc = DEVICE_CLASS(klass);
1396
    USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
1397

    
1398
    uc->init           = usb_net_initfn;
1399
    uc->product_desc   = "QEMU USB Network Interface";
1400
    uc->usb_desc       = &desc_net;
1401
    uc->handle_reset   = usb_net_handle_reset;
1402
    uc->handle_control = usb_net_handle_control;
1403
    uc->handle_data    = usb_net_handle_data;
1404
    uc->handle_destroy = usb_net_handle_destroy;
1405
    dc->fw_name = "network";
1406
    dc->vmsd = &vmstate_usb_net;
1407
    dc->props = net_properties;
1408
}
1409

    
1410
static TypeInfo net_info = {
1411
    .name          = "usb-net",
1412
    .parent        = TYPE_USB_DEVICE,
1413
    .instance_size = sizeof(USBNetState),
1414
    .class_init    = usb_net_class_initfn,
1415
};
1416

    
1417
static void usb_net_register_devices(void)
1418
{
1419
    type_register_static(&net_info);
1420
    usb_legacy_register("usb-net", "net", usb_net_init);
1421
}
1422
device_init(usb_net_register_devices)