c9b6255a
 dmohamed
ajout de la bibli...
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
|
/*
LUFA Library
Copyright (C) Dean Camera, 2017.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#define __INCLUDE_FROM_USB_DRIVER
#include "../../Core/USBMode.h"
#if defined(USB_CAN_BE_DEVICE)
#define __INCLUDE_FROM_RNDIS_DRIVER
#define __INCLUDE_FROM_RNDIS_DEVICE_C
#include "RNDISClassDevice.h"
static const uint32_t PROGMEM AdapterSupportedOIDList[] =
{
CPU_TO_LE32(OID_GEN_SUPPORTED_LIST),
CPU_TO_LE32(OID_GEN_PHYSICAL_MEDIUM),
CPU_TO_LE32(OID_GEN_HARDWARE_STATUS),
CPU_TO_LE32(OID_GEN_MEDIA_SUPPORTED),
CPU_TO_LE32(OID_GEN_MEDIA_IN_USE),
CPU_TO_LE32(OID_GEN_MAXIMUM_FRAME_SIZE),
CPU_TO_LE32(OID_GEN_MAXIMUM_TOTAL_SIZE),
CPU_TO_LE32(OID_GEN_LINK_SPEED),
CPU_TO_LE32(OID_GEN_TRANSMIT_BLOCK_SIZE),
CPU_TO_LE32(OID_GEN_RECEIVE_BLOCK_SIZE),
CPU_TO_LE32(OID_GEN_VENDOR_ID),
CPU_TO_LE32(OID_GEN_VENDOR_DESCRIPTION),
CPU_TO_LE32(OID_GEN_CURRENT_PACKET_FILTER),
CPU_TO_LE32(OID_GEN_MAXIMUM_TOTAL_SIZE),
CPU_TO_LE32(OID_GEN_MEDIA_CONNECT_STATUS),
CPU_TO_LE32(OID_GEN_XMIT_OK),
CPU_TO_LE32(OID_GEN_RCV_OK),
CPU_TO_LE32(OID_GEN_XMIT_ERROR),
CPU_TO_LE32(OID_GEN_RCV_ERROR),
CPU_TO_LE32(OID_GEN_RCV_NO_BUFFER),
CPU_TO_LE32(OID_802_3_PERMANENT_ADDRESS),
CPU_TO_LE32(OID_802_3_CURRENT_ADDRESS),
CPU_TO_LE32(OID_802_3_MULTICAST_LIST),
CPU_TO_LE32(OID_802_3_MAXIMUM_LIST_SIZE),
CPU_TO_LE32(OID_802_3_RCV_ERROR_ALIGNMENT),
CPU_TO_LE32(OID_802_3_XMIT_ONE_COLLISION),
CPU_TO_LE32(OID_802_3_XMIT_MORE_COLLISIONS),
};
void RNDIS_Device_ProcessControlRequest(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
{
if (!(Endpoint_IsSETUPReceived()))
return;
if (USB_ControlRequest.wIndex != RNDISInterfaceInfo->Config.ControlInterfaceNumber)
return;
switch (USB_ControlRequest.bRequest)
{
case RNDIS_REQ_SendEncapsulatedCommand:
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
Endpoint_Read_Control_Stream_LE(RNDISInterfaceInfo->Config.MessageBuffer, USB_ControlRequest.wLength);
Endpoint_ClearIN();
RNDIS_Device_ProcessRNDISControlMessage(RNDISInterfaceInfo);
}
break;
case RNDIS_REQ_GetEncapsulatedResponse:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
RNDIS_Message_Header_t* MessageHeader = (RNDIS_Message_Header_t*)RNDISInterfaceInfo->Config.MessageBuffer;
if (!(MessageHeader->MessageLength))
{
RNDISInterfaceInfo->Config.MessageBuffer[0] = 0;
MessageHeader->MessageLength = CPU_TO_LE32(1);
}
Endpoint_ClearSETUP();
Endpoint_Write_Control_Stream_LE(RNDISInterfaceInfo->Config.MessageBuffer, le32_to_cpu(MessageHeader->MessageLength));
Endpoint_ClearOUT();
MessageHeader->MessageLength = CPU_TO_LE32(0);
}
break;
}
}
bool RNDIS_Device_ConfigureEndpoints(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
{
memset(&RNDISInterfaceInfo->State, 0x00, sizeof(RNDISInterfaceInfo->State));
RNDISInterfaceInfo->Config.DataINEndpoint.Type = EP_TYPE_BULK;
RNDISInterfaceInfo->Config.DataOUTEndpoint.Type = EP_TYPE_BULK;
RNDISInterfaceInfo->Config.NotificationEndpoint.Type = EP_TYPE_INTERRUPT;
if (RNDISInterfaceInfo->Config.MessageBuffer == NULL)
return false;
if (RNDISInterfaceInfo->Config.MessageBufferLength < RNDIS_DEVICE_MIN_MESSAGE_BUFFER_LENGTH)
return false;
if (!(Endpoint_ConfigureEndpointTable(&RNDISInterfaceInfo->Config.DataINEndpoint, 1)))
return false;
if (!(Endpoint_ConfigureEndpointTable(&RNDISInterfaceInfo->Config.DataOUTEndpoint, 1)))
return false;
if (!(Endpoint_ConfigureEndpointTable(&RNDISInterfaceInfo->Config.NotificationEndpoint, 1)))
return false;
return true;
}
void RNDIS_Device_USBTask(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
{
if (USB_DeviceState != DEVICE_STATE_Configured)
return;
Endpoint_SelectEndpoint(RNDISInterfaceInfo->Config.NotificationEndpoint.Address);
if (Endpoint_IsINReady() && RNDISInterfaceInfo->State.ResponseReady)
{
USB_Request_Header_t Notification = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = RNDIS_NOTIF_ResponseAvailable,
.wValue = CPU_TO_LE16(0),
.wIndex = CPU_TO_LE16(0),
.wLength = CPU_TO_LE16(0),
};
Endpoint_Write_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NULL);
Endpoint_ClearIN();
RNDISInterfaceInfo->State.ResponseReady = false;
}
}
void RNDIS_Device_ProcessRNDISControlMessage(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
{
/* Note: Only a single buffer is used for both the received message and its response to save SRAM. Because of
this, response bytes should be filled in order so that they do not clobber unread data in the buffer. */
RNDIS_Message_Header_t* MessageHeader = (RNDIS_Message_Header_t*)RNDISInterfaceInfo->Config.MessageBuffer;
switch (le32_to_cpu(MessageHeader->MessageType))
{
case REMOTE_NDIS_INITIALIZE_MSG:
RNDISInterfaceInfo->State.ResponseReady = true;
RNDIS_Initialize_Message_t* INITIALIZE_Message =
(RNDIS_Initialize_Message_t*)RNDISInterfaceInfo->Config.MessageBuffer;
RNDIS_Initialize_Complete_t* INITIALIZE_Response =
(RNDIS_Initialize_Complete_t*)RNDISInterfaceInfo->Config.MessageBuffer;
INITIALIZE_Response->MessageType = CPU_TO_LE32(REMOTE_NDIS_INITIALIZE_CMPLT);
INITIALIZE_Response->MessageLength = CPU_TO_LE32(sizeof(RNDIS_Initialize_Complete_t));
INITIALIZE_Response->RequestId = INITIALIZE_Message->RequestId;
INITIALIZE_Response->Status = CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS);
INITIALIZE_Response->MajorVersion = CPU_TO_LE32(REMOTE_NDIS_VERSION_MAJOR);
INITIALIZE_Response->MinorVersion = CPU_TO_LE32(REMOTE_NDIS_VERSION_MINOR);
INITIALIZE_Response->DeviceFlags = CPU_TO_LE32(REMOTE_NDIS_DF_CONNECTIONLESS);
INITIALIZE_Response->Medium = CPU_TO_LE32(REMOTE_NDIS_MEDIUM_802_3);
INITIALIZE_Response->MaxPacketsPerTransfer = CPU_TO_LE32(1);
INITIALIZE_Response->MaxTransferSize = CPU_TO_LE32(sizeof(RNDIS_Packet_Message_t) + ETHERNET_FRAME_SIZE_MAX);
INITIALIZE_Response->PacketAlignmentFactor = CPU_TO_LE32(0);
INITIALIZE_Response->AFListOffset = CPU_TO_LE32(0);
INITIALIZE_Response->AFListSize = CPU_TO_LE32(0);
RNDISInterfaceInfo->State.CurrRNDISState = RNDIS_Initialized;
break;
case REMOTE_NDIS_HALT_MSG:
RNDISInterfaceInfo->State.ResponseReady = false;
MessageHeader->MessageLength = CPU_TO_LE32(0);
RNDISInterfaceInfo->State.CurrRNDISState = RNDIS_Uninitialized;
break;
case REMOTE_NDIS_QUERY_MSG:
RNDISInterfaceInfo->State.ResponseReady = true;
RNDIS_Query_Message_t* QUERY_Message = (RNDIS_Query_Message_t*)RNDISInterfaceInfo->Config.MessageBuffer;
RNDIS_Query_Complete_t* QUERY_Response = (RNDIS_Query_Complete_t*)RNDISInterfaceInfo->Config.MessageBuffer;
uint32_t Query_Oid = CPU_TO_LE32(QUERY_Message->Oid);
void* QueryData = &RNDISInterfaceInfo->Config.MessageBuffer[sizeof(RNDIS_Message_Header_t) +
le32_to_cpu(QUERY_Message->InformationBufferOffset)];
void* ResponseData = &RNDISInterfaceInfo->Config.MessageBuffer[sizeof(RNDIS_Query_Complete_t)];
uint16_t ResponseSize;
QUERY_Response->MessageType = CPU_TO_LE32(REMOTE_NDIS_QUERY_CMPLT);
if (RNDIS_Device_ProcessNDISQuery(RNDISInterfaceInfo, Query_Oid, QueryData, le32_to_cpu(QUERY_Message->InformationBufferLength),
ResponseData, &ResponseSize))
{
QUERY_Response->Status = CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS);
QUERY_Response->MessageLength = cpu_to_le32(sizeof(RNDIS_Query_Complete_t) + ResponseSize);
QUERY_Response->InformationBufferLength = CPU_TO_LE32(ResponseSize);
QUERY_Response->InformationBufferOffset = CPU_TO_LE32(sizeof(RNDIS_Query_Complete_t) - sizeof(RNDIS_Message_Header_t));
}
else
{
QUERY_Response->Status = CPU_TO_LE32(REMOTE_NDIS_STATUS_NOT_SUPPORTED);
QUERY_Response->MessageLength = CPU_TO_LE32(sizeof(RNDIS_Query_Complete_t));
QUERY_Response->InformationBufferLength = CPU_TO_LE32(0);
QUERY_Response->InformationBufferOffset = CPU_TO_LE32(0);
}
break;
case REMOTE_NDIS_SET_MSG:
RNDISInterfaceInfo->State.ResponseReady = true;
RNDIS_Set_Message_t* SET_Message = (RNDIS_Set_Message_t*)RNDISInterfaceInfo->Config.MessageBuffer;
RNDIS_Set_Complete_t* SET_Response = (RNDIS_Set_Complete_t*)RNDISInterfaceInfo->Config.MessageBuffer;
uint32_t SET_Oid = le32_to_cpu(SET_Message->Oid);
SET_Response->MessageType = CPU_TO_LE32(REMOTE_NDIS_SET_CMPLT);
SET_Response->MessageLength = CPU_TO_LE32(sizeof(RNDIS_Set_Complete_t));
SET_Response->RequestId = SET_Message->RequestId;
void* SetData = &RNDISInterfaceInfo->Config.MessageBuffer[sizeof(RNDIS_Message_Header_t) +
le32_to_cpu(SET_Message->InformationBufferOffset)];
SET_Response->Status = RNDIS_Device_ProcessNDISSet(RNDISInterfaceInfo, SET_Oid, SetData,
le32_to_cpu(SET_Message->InformationBufferLength)) ?
REMOTE_NDIS_STATUS_SUCCESS : REMOTE_NDIS_STATUS_NOT_SUPPORTED;
break;
case REMOTE_NDIS_RESET_MSG:
RNDISInterfaceInfo->State.ResponseReady = true;
RNDIS_Reset_Complete_t* RESET_Response = (RNDIS_Reset_Complete_t*)RNDISInterfaceInfo->Config.MessageBuffer;
RESET_Response->MessageType = CPU_TO_LE32(REMOTE_NDIS_RESET_CMPLT);
RESET_Response->MessageLength = CPU_TO_LE32(sizeof(RNDIS_Reset_Complete_t));
RESET_Response->Status = CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS);
RESET_Response->AddressingReset = CPU_TO_LE32(0);
break;
case REMOTE_NDIS_KEEPALIVE_MSG:
RNDISInterfaceInfo->State.ResponseReady = true;
RNDIS_KeepAlive_Message_t* KEEPALIVE_Message =
(RNDIS_KeepAlive_Message_t*)RNDISInterfaceInfo->Config.MessageBuffer;
RNDIS_KeepAlive_Complete_t* KEEPALIVE_Response =
(RNDIS_KeepAlive_Complete_t*)RNDISInterfaceInfo->Config.MessageBuffer;
KEEPALIVE_Response->MessageType = CPU_TO_LE32(REMOTE_NDIS_KEEPALIVE_CMPLT);
KEEPALIVE_Response->MessageLength = CPU_TO_LE32(sizeof(RNDIS_KeepAlive_Complete_t));
KEEPALIVE_Response->RequestId = KEEPALIVE_Message->RequestId;
KEEPALIVE_Response->Status = CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS);
break;
}
}
static bool RNDIS_Device_ProcessNDISQuery(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo,
const uint32_t OId,
void* const QueryData,
const uint16_t QuerySize,
void* ResponseData,
uint16_t* const ResponseSize)
{
(void)QueryData;
(void)QuerySize;
switch (OId)
{
case OID_GEN_SUPPORTED_LIST:
*ResponseSize = sizeof(AdapterSupportedOIDList);
memcpy_P(ResponseData, AdapterSupportedOIDList, sizeof(AdapterSupportedOIDList));
return true;
case OID_GEN_PHYSICAL_MEDIUM:
*ResponseSize = sizeof(uint32_t);
/* Indicate that the device is a true ethernet link */
*((uint32_t*)ResponseData) = CPU_TO_LE32(0);
return true;
case OID_GEN_HARDWARE_STATUS:
*ResponseSize = sizeof(uint32_t);
*((uint32_t*)ResponseData) = CPU_TO_LE32(NDIS_HardwareStatus_Ready);
return true;
case OID_GEN_MEDIA_SUPPORTED:
case OID_GEN_MEDIA_IN_USE:
*ResponseSize = sizeof(uint32_t);
*((uint32_t*)ResponseData) = CPU_TO_LE32(REMOTE_NDIS_MEDIUM_802_3);
return true;
case OID_GEN_VENDOR_ID:
*ResponseSize = sizeof(uint32_t);
/* Vendor ID 0x0xFFFFFF is reserved for vendors who have not purchased a NDIS VID */
*((uint32_t*)ResponseData) = CPU_TO_LE32(0x00FFFFFF);
return true;
case OID_GEN_MAXIMUM_FRAME_SIZE:
case OID_GEN_TRANSMIT_BLOCK_SIZE:
case OID_GEN_RECEIVE_BLOCK_SIZE:
*ResponseSize = sizeof(uint32_t);
*((uint32_t*)ResponseData) = CPU_TO_LE32(ETHERNET_FRAME_SIZE_MAX);
return true;
case OID_GEN_VENDOR_DESCRIPTION:
*ResponseSize = (strlen(RNDISInterfaceInfo->Config.AdapterVendorDescription) + 1);
memcpy(ResponseData, RNDISInterfaceInfo->Config.AdapterVendorDescription, *ResponseSize);
return true;
case OID_GEN_MEDIA_CONNECT_STATUS:
*ResponseSize = sizeof(uint32_t);
*((uint32_t*)ResponseData) = CPU_TO_LE32(REMOTE_NDIS_MEDIA_STATE_CONNECTED);
return true;
case OID_GEN_LINK_SPEED:
*ResponseSize = sizeof(uint32_t);
/* Indicate 10Mb/s link speed */
*((uint32_t*)ResponseData) = CPU_TO_LE32(100000);
return true;
case OID_802_3_PERMANENT_ADDRESS:
case OID_802_3_CURRENT_ADDRESS:
*ResponseSize = sizeof(MAC_Address_t);
memcpy(ResponseData, &RNDISInterfaceInfo->Config.AdapterMACAddress, sizeof(MAC_Address_t));
return true;
case OID_802_3_MAXIMUM_LIST_SIZE:
*ResponseSize = sizeof(uint32_t);
/* Indicate only one multicast address supported */
*((uint32_t*)ResponseData) = CPU_TO_LE32(1);
return true;
case OID_GEN_CURRENT_PACKET_FILTER:
*ResponseSize = sizeof(uint32_t);
*((uint32_t*)ResponseData) = cpu_to_le32(RNDISInterfaceInfo->State.CurrPacketFilter);
return true;
case OID_GEN_XMIT_OK:
case OID_GEN_RCV_OK:
case OID_GEN_XMIT_ERROR:
case OID_GEN_RCV_ERROR:
case OID_GEN_RCV_NO_BUFFER:
case OID_802_3_RCV_ERROR_ALIGNMENT:
case OID_802_3_XMIT_ONE_COLLISION:
case OID_802_3_XMIT_MORE_COLLISIONS:
*ResponseSize = sizeof(uint32_t);
/* Unused statistic OIDs - always return 0 for each */
*((uint32_t*)ResponseData) = CPU_TO_LE32(0);
return true;
case OID_GEN_MAXIMUM_TOTAL_SIZE:
*ResponseSize = sizeof(uint32_t);
/* Indicate maximum overall buffer (Ethernet frame and RNDIS header) the adapter can handle */
*((uint32_t*)ResponseData) = CPU_TO_LE32(RNDISInterfaceInfo->Config.MessageBufferLength + ETHERNET_FRAME_SIZE_MAX);
return true;
default:
return false;
}
}
static bool RNDIS_Device_ProcessNDISSet(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo,
const uint32_t OId,
const void* SetData,
const uint16_t SetSize)
{
(void)SetSize;
switch (OId)
{
case OID_GEN_CURRENT_PACKET_FILTER:
RNDISInterfaceInfo->State.CurrPacketFilter = le32_to_cpu(*((uint32_t*)SetData));
RNDISInterfaceInfo->State.CurrRNDISState = (RNDISInterfaceInfo->State.CurrPacketFilter) ? RNDIS_Data_Initialized : RNDIS_Initialized;
return true;
case OID_802_3_MULTICAST_LIST:
/* Do nothing - throw away the value from the host as it is unused */
return true;
default:
return false;
}
}
bool RNDIS_Device_IsPacketReceived(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
{
if ((USB_DeviceState != DEVICE_STATE_Configured) ||
(RNDISInterfaceInfo->State.CurrRNDISState != RNDIS_Data_Initialized))
{
return false;
}
Endpoint_SelectEndpoint(RNDISInterfaceInfo->Config.DataOUTEndpoint.Address);
return Endpoint_IsOUTReceived();
}
uint8_t RNDIS_Device_ReadPacket(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo,
void* Buffer,
uint16_t* const PacketLength)
{
if ((USB_DeviceState != DEVICE_STATE_Configured) ||
(RNDISInterfaceInfo->State.CurrRNDISState != RNDIS_Data_Initialized))
{
return ENDPOINT_RWSTREAM_DeviceDisconnected;
}
Endpoint_SelectEndpoint(RNDISInterfaceInfo->Config.DataOUTEndpoint.Address);
*PacketLength = 0;
if (!(Endpoint_IsOUTReceived()))
return ENDPOINT_RWSTREAM_NoError;
RNDIS_Packet_Message_t RNDISPacketHeader;
Endpoint_Read_Stream_LE(&RNDISPacketHeader, sizeof(RNDIS_Packet_Message_t), NULL);
if (le32_to_cpu(RNDISPacketHeader.DataLength) > ETHERNET_FRAME_SIZE_MAX)
{
Endpoint_StallTransaction();
return RNDIS_ERROR_LOGICAL_CMD_FAILED;
}
*PacketLength = (uint16_t)le32_to_cpu(RNDISPacketHeader.DataLength);
Endpoint_Read_Stream_LE(Buffer, *PacketLength, NULL);
Endpoint_ClearOUT();
return ENDPOINT_RWSTREAM_NoError;
}
uint8_t RNDIS_Device_SendPacket(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo,
void* Buffer,
const uint16_t PacketLength)
{
uint8_t ErrorCode;
if ((USB_DeviceState != DEVICE_STATE_Configured) ||
(RNDISInterfaceInfo->State.CurrRNDISState != RNDIS_Data_Initialized))
{
return ENDPOINT_RWSTREAM_DeviceDisconnected;
}
Endpoint_SelectEndpoint(RNDISInterfaceInfo->Config.DataINEndpoint.Address);
if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError)
return ErrorCode;
RNDIS_Packet_Message_t RNDISPacketHeader;
memset(&RNDISPacketHeader, 0, sizeof(RNDIS_Packet_Message_t));
RNDISPacketHeader.MessageType = CPU_TO_LE32(REMOTE_NDIS_PACKET_MSG);
RNDISPacketHeader.MessageLength = cpu_to_le32(sizeof(RNDIS_Packet_Message_t) + PacketLength);
RNDISPacketHeader.DataOffset = CPU_TO_LE32(sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t));
RNDISPacketHeader.DataLength = cpu_to_le32(PacketLength);
Endpoint_Write_Stream_LE(&RNDISPacketHeader, sizeof(RNDIS_Packet_Message_t), NULL);
Endpoint_Write_Stream_LE(Buffer, PacketLength, NULL);
Endpoint_ClearIN();
return ENDPOINT_RWSTREAM_NoError;
}
#endif
|