aboutsummaryrefslogtreecommitdiff
path: root/drivers/staging/winbond/mds.c
blob: c9f0e8f856a0a7bb760f252beea98e35f3bcf8e1 (plain)
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
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
#include "mds_f.h"
#include "mto.h"
#include "wbhal.h"
#include "wb35tx_f.h"

unsigned char
Mds_initial(struct wbsoft_priv *adapter)
{
	struct wb35_mds *pMds = &adapter->Mds;

	pMds->TxPause = false;
	pMds->TxRTSThreshold = DEFAULT_RTSThreshold;
	pMds->TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;

	return hal_get_tx_buffer(&adapter->sHwData, &pMds->pTxBuffer);
}

static void Mds_DurationSet(struct wbsoft_priv *adapter,  struct wb35_descriptor *pDes,  u8 *buffer)
{
	struct T00_descriptor *pT00;
	struct T01_descriptor *pT01;
	u16	Duration, NextBodyLen, OffsetSize;
	u8	Rate, i;
	unsigned char	CTS_on = false, RTS_on = false;
	struct T00_descriptor *pNextT00;
	u16 BodyLen = 0;
	unsigned char boGroupAddr = false;

	OffsetSize = pDes->FragmentThreshold + 32 + 3;
	OffsetSize &= ~0x03;
	Rate = pDes->TxRate >> 1;
	if (!Rate)
		Rate = 1;

	pT00 = (struct T00_descriptor *)buffer;
	pT01 = (struct T01_descriptor *)(buffer+4);
	pNextT00 = (struct T00_descriptor *)(buffer+OffsetSize);

	if (buffer[DOT_11_DA_OFFSET+8] & 0x1) /* +8 for USB hdr */
		boGroupAddr = true;

	/******************************************
	 * Set RTS/CTS mechanism
	 ******************************************/
	if (!boGroupAddr) {
		/* NOTE : If the protection mode is enabled and the MSDU will be fragmented,
		 *		 the tx rates of MPDUs will all be DSSS rates. So it will not use
		 *		 CTS-to-self in this case. CTS-To-self will only be used when without
		 *		 fragmentation. -- 20050112 */
		BodyLen = (u16)pT00->T00_frame_length;	/* include 802.11 header */
		BodyLen += 4;	/* CRC */

		if (BodyLen >= CURRENT_RTS_THRESHOLD)
			RTS_on = true; /* Using RTS */
		else {
			if (pT01->T01_modulation_type) { /* Is using OFDM */
				if (CURRENT_PROTECT_MECHANISM) /* Is using protect */
					CTS_on = true; /* Using CTS */
			}
		}
	}

	if (RTS_on || CTS_on) {
		if (pT01->T01_modulation_type) { /* Is using OFDM */
			/* CTS duration
			 *  2 SIFS + DATA transmit time + 1 ACK
			 *  ACK Rate : 24 Mega bps
			 *  ACK frame length = 14 bytes */
			Duration = 2*DEFAULT_SIFSTIME +
					   2*PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION +
					   ((BodyLen*8 + 22 + Rate*4 - 1)/(Rate*4))*Tsym +
					   ((112 + 22 + 95)/96)*Tsym;
		} else	{ /* DSSS */
			/* CTS duration
			 *  2 SIFS + DATA transmit time + 1 ACK
			 *  Rate : ?? Mega bps
			 *  ACK frame length = 14 bytes */
			if (pT01->T01_plcp_header_length) /* long preamble */
				Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*2;
			else
				Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*2;

			Duration += (((BodyLen + 14)*8 + Rate-1) / Rate +
						DEFAULT_SIFSTIME*2);
		}

		if (RTS_on) {
			if (pT01->T01_modulation_type) { /* Is using OFDM */
				/* CTS + 1 SIFS + CTS duration
				 * CTS Rate : 24 Mega bps
				 * CTS frame length = 14 bytes */
				Duration += (DEFAULT_SIFSTIME +
								PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION +
								((112 + 22 + 95)/96)*Tsym);
			} else {
				/* CTS + 1 SIFS + CTS duration
				 * CTS Rate : ?? Mega bps
				 * CTS frame length = 14 bytes */
				if (pT01->T01_plcp_header_length) /* long preamble */
					Duration += LONG_PREAMBLE_PLUS_PLCPHEADER_TIME;
				else
					Duration += SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME;

				Duration += (((112 + Rate-1) / Rate) + DEFAULT_SIFSTIME);
			}
		}

		/* Set the value into USB descriptor */
		pT01->T01_add_rts = RTS_on ? 1 : 0;
		pT01->T01_add_cts = CTS_on ? 1 : 0;
		pT01->T01_rts_cts_duration = Duration;
	}

	/******************************************
	 * Fill the more fragment descriptor
	 ******************************************/
	if (boGroupAddr)
		Duration = 0;
	else {
		for (i = pDes->FragmentCount-1; i > 0; i--) {
			NextBodyLen = (u16)pNextT00->T00_frame_length;
			NextBodyLen += 4;	/* CRC */

			if (pT01->T01_modulation_type) {
				/* OFDM
				 *  data transmit time + 3 SIFS + 2 ACK
				 *  Rate : ??Mega bps
				 *  ACK frame length = 14 bytes, tx rate = 24M */
				Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION * 3;
				Duration += (((NextBodyLen*8 + 22 + Rate*4 - 1)/(Rate*4)) * Tsym +
							(((2*14)*8 + 22 + 95)/96)*Tsym +
							DEFAULT_SIFSTIME*3);
			} else {
				/* DSSS
				 *  data transmit time + 2 ACK + 3 SIFS
				 *  Rate : ??Mega bps
				 *  ACK frame length = 14 bytes
				 * TODO : */
				if (pT01->T01_plcp_header_length) /* long preamble */
					Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*3;
				else
					Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*3;

				Duration += (((NextBodyLen + (2*14))*8 + Rate-1) / Rate +
							DEFAULT_SIFSTIME*3);
			}

			((u16 *)buffer)[5] = cpu_to_le16(Duration); /* 4 USHOR for skip 8B USB, 2USHORT=FC + Duration */

			/* ----20061009 add by anson's endian */
			pNextT00->value = cpu_to_le32(pNextT00->value);
			pT01->value = cpu_to_le32(pT01->value);
			/* ----end 20061009 add by anson's endian */

			buffer += OffsetSize;
			pT01 = (struct T01_descriptor *)(buffer+4);
			if (i != 1)	/* The last fragment will not have the next fragment */
				pNextT00 = (struct T00_descriptor *)(buffer+OffsetSize);
		}

		/*******************************************
		 * Fill the last fragment descriptor
		 *******************************************/
		if (pT01->T01_modulation_type) {
			/* OFDM
			 *  1 SIFS + 1 ACK
			 *  Rate : 24 Mega bps
			 * ACK frame length = 14 bytes */
			Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION;
			/* The Tx rate of ACK use 24M */
			Duration += (((112 + 22 + 95)/96)*Tsym + DEFAULT_SIFSTIME);
		} else {
			/* DSSS
			 * 1 ACK + 1 SIFS
			 * Rate : ?? Mega bps
			 * ACK frame length = 14 bytes(112 bits) */
			if (pT01->T01_plcp_header_length) /* long preamble */
				Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME;
			else
				Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME;

			Duration += ((112 + Rate-1)/Rate + DEFAULT_SIFSTIME);
		}
	}

	((u16 *)buffer)[5] = cpu_to_le16(Duration); /* 4 USHOR for skip 8B USB, 2USHORT=FC + Duration */
	pT00->value = cpu_to_le32(pT00->value);
	pT01->value = cpu_to_le32(pT01->value);
	/* --end 20061009 add */

}

/* The function return the 4n size of usb pk */
static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDes, u8 *TargetBuffer)
{
	struct T00_descriptor *pT00;
	struct wb35_mds *pMds = &adapter->Mds;
	u8	*buffer;
	u8	*src_buffer;
	u8	*pctmp;
	u16	Size = 0;
	u16	SizeLeft, CopySize, CopyLeft, stmp;
	u8	buf_index, FragmentCount = 0;


	/* Copy fragment body */
	buffer = TargetBuffer; /* shift 8B usb + 24B 802.11 */
	SizeLeft = pDes->buffer_total_size;
	buf_index = pDes->buffer_start_index;

	pT00 = (struct T00_descriptor *)buffer;
	while (SizeLeft) {
		pT00 = (struct T00_descriptor *)buffer;
		CopySize = SizeLeft;
		if (SizeLeft > pDes->FragmentThreshold) {
			CopySize = pDes->FragmentThreshold;
			pT00->T00_frame_length = 24 + CopySize; /* Set USB length */
		} else
			pT00->T00_frame_length = 24 + SizeLeft; /* Set USB length */

		SizeLeft -= CopySize;

		/* 1 Byte operation */
		pctmp = (u8 *)(buffer + 8 + DOT_11_SEQUENCE_OFFSET);
		*pctmp &= 0xf0;
		*pctmp |= FragmentCount; /* 931130.5.m */
		if (!FragmentCount)
			pT00->T00_first_mpdu = 1;

		buffer += 32; /* 8B usb + 24B 802.11 header */
		Size += 32;

		/* Copy into buffer */
		stmp = CopySize + 3;
		stmp &= ~0x03; /* 4n Alignment */
		Size += stmp; /* Current 4n offset of mpdu */

		while (CopySize) {
			/* Copy body */
			src_buffer = pDes->buffer_address[buf_index];
			CopyLeft = CopySize;
			if (CopySize >= pDes->buffer_size[buf_index]) {
				CopyLeft = pDes->buffer_size[buf_index];

				/* Get the next buffer of descriptor */
				buf_index++;
				buf_index %= MAX_DESCRIPTOR_BUFFER_INDEX;
			} else {
				u8	*pctmp = pDes->buffer_address[buf_index];
				pctmp += CopySize;
				pDes->buffer_address[buf_index] = pctmp;
				pDes->buffer_size[buf_index] -= CopySize;
			}

			memcpy(buffer, src_buffer, CopyLeft);
			buffer += CopyLeft;
			CopySize -= CopyLeft;
		}

		/* 931130.5.n */
		if (pMds->MicAdd) {
			if (!SizeLeft) {
				pMds->MicWriteAddress[pMds->MicWriteIndex] = buffer - pMds->MicAdd;
				pMds->MicWriteSize[pMds->MicWriteIndex] = pMds->MicAdd;
				pMds->MicAdd = 0;
			} else if (SizeLeft < 8) { /* 931130.5.p */
				pMds->MicAdd = SizeLeft;
				pMds->MicWriteAddress[pMds->MicWriteIndex] = buffer - (8 - SizeLeft);
				pMds->MicWriteSize[pMds->MicWriteIndex] = 8 - SizeLeft;
				pMds->MicWriteIndex++;
			}
		}

		/* Does it need to generate the new header for next mpdu? */
		if (SizeLeft) {
			buffer = TargetBuffer + Size; /* Get the next 4n start address */
			memcpy(buffer, TargetBuffer, 32); /* Copy 8B USB +24B 802.11 */
			pT00 = (struct T00_descriptor *)buffer;
			pT00->T00_first_mpdu = 0;
		}

		FragmentCount++;
	}

	pT00->T00_last_mpdu = 1;
	pT00->T00_IsLastMpdu = 1;
	buffer = (u8 *)pT00 + 8; /* +8 for USB hdr */
	buffer[1] &= ~0x04; /* Clear more frag bit of 802.11 frame control */
	pDes->FragmentCount = FragmentCount; /* Update the correct fragment number */
	return Size;
}

static void Mds_HeaderCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDes, u8 *TargetBuffer)
{
	struct wb35_mds *pMds = &adapter->Mds;
	u8	*src_buffer = pDes->buffer_address[0]; /* 931130.5.g */
	struct T00_descriptor *pT00;
	struct T01_descriptor *pT01;
	u16	stmp;
	u8	i, ctmp1, ctmp2, ctmpf;
	u16	FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD;


	stmp = pDes->buffer_total_size;
	/*
	 * Set USB header 8 byte
	 */
	pT00 = (struct T00_descriptor *)TargetBuffer;
	TargetBuffer += 4;
	pT01 = (struct T01_descriptor *)TargetBuffer;
	TargetBuffer += 4;

	pT00->value = 0; /* Clear */
	pT01->value = 0; /* Clear */

	pT00->T00_tx_packet_id = pDes->Descriptor_ID; /* Set packet ID */
	pT00->T00_header_length = 24; /* Set header length */
	pT01->T01_retry_abort_ebable = 1; /* 921013 931130.5.h */

	/* Key ID setup */
	pT01->T01_wep_id = 0;

	FragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;	/* Do not fragment */
	/* Copy full data, the 1'st buffer contain all the data 931130.5.j */
	memcpy(TargetBuffer, src_buffer, DOT_11_MAC_HEADER_SIZE); /* Copy header */
	pDes->buffer_address[0] = src_buffer + DOT_11_MAC_HEADER_SIZE;
	pDes->buffer_total_size -= DOT_11_MAC_HEADER_SIZE;
	pDes->buffer_size[0] = pDes->buffer_total_size;

	/* Set fragment threshold */
	FragmentThreshold -= (DOT_11_MAC_HEADER_SIZE + 4);
	pDes->FragmentThreshold = FragmentThreshold;

	/* Set more frag bit */
	TargetBuffer[1] |= 0x04; /* Set more frag bit */

	/*
	 * Set tx rate
	 */
	stmp = *(u16 *)(TargetBuffer+30); /* 2n alignment address */

	/* Use basic rate */
	ctmp1 = ctmpf = CURRENT_TX_RATE_FOR_MNG;

	pDes->TxRate = ctmp1;
	pr_debug("Tx rate =%x\n", ctmp1);

	pT01->T01_modulation_type = (ctmp1%3) ? 0 : 1;

	for (i = 0; i < 2; i++) {
		if (i == 1)
			ctmp1 = ctmpf;

		pMds->TxRate[pDes->Descriptor_ID][i] = ctmp1; /* backup the ta rate and fall back rate */

		if (ctmp1 == 108)
			ctmp2 = 7;
		else if (ctmp1 == 96)
			ctmp2 = 6; /* Rate convert for USB */
		else if (ctmp1 == 72)
			ctmp2 = 5;
		else if (ctmp1 == 48)
			ctmp2 = 4;
		else if (ctmp1 == 36)
			ctmp2 = 3;
		else if (ctmp1 == 24)
			ctmp2 = 2;
		else if (ctmp1 == 18)
			ctmp2 = 1;
		else if (ctmp1 == 12)
			ctmp2 = 0;
		else if (ctmp1 == 22)
			ctmp2 = 3;
		else if (ctmp1 == 11)
			ctmp2 = 2;
		else if (ctmp1 == 4)
			ctmp2 = 1;
		else
			ctmp2 = 0; /* if( ctmp1 == 2  ) or default */

		if (i == 0)
			pT01->T01_transmit_rate = ctmp2;
		else
			pT01->T01_fall_back_rate = ctmp2;
	}

	/*
	 * Set preamble type
	 */
	if ((pT01->T01_modulation_type == 0) && (pT01->T01_transmit_rate == 0))	/* RATE_1M */
		pDes->PreambleMode =  WLAN_PREAMBLE_TYPE_LONG;
	else
		pDes->PreambleMode =  CURRENT_PREAMBLE_MODE;
	pT01->T01_plcp_header_length = pDes->PreambleMode;	/* Set preamble */

}

static void MLME_GetNextPacket(struct wbsoft_priv *adapter, struct wb35_descriptor *desc)
{
	desc->InternalUsed = desc->buffer_start_index + desc->buffer_number;
	desc->InternalUsed %= MAX_DESCRIPTOR_BUFFER_INDEX;
	desc->buffer_address[desc->InternalUsed] = adapter->sMlmeFrame.pMMPDU;
	desc->buffer_size[desc->InternalUsed] = adapter->sMlmeFrame.len;
	desc->buffer_total_size += adapter->sMlmeFrame.len;
	desc->buffer_number++;
	desc->Type = adapter->sMlmeFrame.DataType;
}

static void MLMEfreeMMPDUBuffer(struct wbsoft_priv *adapter, s8 *pData)
{
	int i;

	/* Reclaim the data buffer */
	for (i = 0; i < MAX_NUM_TX_MMPDU; i++) {
		if (pData == (s8 *)&(adapter->sMlmeFrame.TxMMPDU[i]))
			break;
	}
	if (adapter->sMlmeFrame.TxMMPDUInUse[i])
		adapter->sMlmeFrame.TxMMPDUInUse[i] = false;
	else  {
		/* Something wrong
		 PD43 Add debug code here??? */
	}
}

static void MLME_SendComplete(struct wbsoft_priv *adapter, u8 PacketID, unsigned char SendOK)
{
    /* Reclaim the data buffer */
	adapter->sMlmeFrame.len = 0;
	MLMEfreeMMPDUBuffer(adapter, adapter->sMlmeFrame.pMMPDU);

	/* Return resource */
	adapter->sMlmeFrame.IsInUsed = PACKET_FREE_TO_USE;
}

void
Mds_Tx(struct wbsoft_priv *adapter)
{
	struct hw_data *pHwData = &adapter->sHwData;
	struct wb35_mds *pMds = &adapter->Mds;
	struct wb35_descriptor	TxDes;
	struct wb35_descriptor *pTxDes = &TxDes;
	u8		*XmitBufAddress;
	u16		XmitBufSize, PacketSize, stmp, CurrentSize, FragmentThreshold;
	u8		FillIndex, TxDesIndex, FragmentCount, FillCount;
	unsigned char	BufferFilled = false;


	if (pMds->TxPause)
		return;
	if (!hal_driver_init_OK(pHwData))
		return;

	/* Only one thread can be run here */
	if (atomic_inc_return(&pMds->TxThreadCount) != 1)
		goto cleanup;

	/* Start to fill the data */
	do {
		FillIndex = pMds->TxFillIndex;
		if (pMds->TxOwner[FillIndex]) { /* Is owned by software 0:Yes 1:No */
			pr_debug("[Mds_Tx] Tx Owner is H/W.\n");
			break;
		}

		XmitBufAddress = pMds->pTxBuffer + (MAX_USB_TX_BUFFER * FillIndex); /* Get buffer */
		XmitBufSize = 0;
		FillCount = 0;
		do {
			PacketSize = adapter->sMlmeFrame.len;
			if (!PacketSize)
				break;

			/* For Check the buffer resource */
			FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD;
			/* 931130.5.b */
			FragmentCount = PacketSize/FragmentThreshold + 1;
			stmp = PacketSize + FragmentCount*32 + 8; /* 931130.5.c 8:MIC */
			if ((XmitBufSize + stmp) >= MAX_USB_TX_BUFFER) {
				printk("[Mds_Tx] Excess max tx buffer.\n");
				break; /* buffer is not enough */
			}


			/*
			 * Start transmitting
			 */
			BufferFilled = true;

			/* Leaves first u8 intact */
			memset((u8 *)pTxDes + 1, 0, sizeof(struct wb35_descriptor) - 1);

			TxDesIndex = pMds->TxDesIndex; /* Get the current ID */
			pTxDes->Descriptor_ID = TxDesIndex;
			pMds->TxDesFrom[TxDesIndex] = 2; /* Storing the information of source coming from */
			pMds->TxDesIndex++;
			pMds->TxDesIndex %= MAX_USB_TX_DESCRIPTOR;

			MLME_GetNextPacket(adapter, pTxDes);

			/* Copy header. 8byte USB + 24byte 802.11Hdr. Set TxRate, Preamble type */
			Mds_HeaderCopy(adapter, pTxDes, XmitBufAddress);

			/* For speed up Key setting */
			if (pTxDes->EapFix) {
				pr_debug("35: EPA 4th frame detected. Size = %d\n", PacketSize);
				pHwData->IsKeyPreSet = 1;
			}

			/* Copy (fragment) frame body, and set USB, 802.11 hdr flag */
			CurrentSize = Mds_BodyCopy(adapter, pTxDes, XmitBufAddress);

			/* Set RTS/CTS and Normal duration field into buffer */
			Mds_DurationSet(adapter, pTxDes, XmitBufAddress);

			/* Shift to the next address */
			XmitBufSize += CurrentSize;
			XmitBufAddress += CurrentSize;

			/* Get packet to transmit completed, 1:TESTSTA 2:MLME 3: Ndis data */
			MLME_SendComplete(adapter, 0, true);

			/* Software TSC count 20060214 */
			pMds->TxTsc++;
			if (pMds->TxTsc == 0)
				pMds->TxTsc_2++;

			FillCount++; /* 20060928 */
		} while (HAL_USB_MODE_BURST(pHwData)); /* End of multiple MSDU copy loop. false = single true = multiple sending  */

		/* Move to the next one, if necessary */
		if (BufferFilled) {
			/* size setting */
			pMds->TxBufferSize[FillIndex] = XmitBufSize;

			/* 20060928 set Tx count */
			pMds->TxCountInBuffer[FillIndex] = FillCount;

			/* Set owner flag */
			pMds->TxOwner[FillIndex] = 1;

			pMds->TxFillIndex++;
			pMds->TxFillIndex %= MAX_USB_TX_BUFFER_NUMBER;
			BufferFilled = false;
		} else
			break;

		if (!PacketSize) /* No more pk for transmitting */
			break;

	} while (true);

	/*
	 * Start to send by lower module
	 */
	if (!pHwData->IsKeyPreSet)
		Wb35Tx_start(adapter);

cleanup:
		atomic_dec(&pMds->TxThreadCount);
}

void
Mds_SendComplete(struct wbsoft_priv *adapter, struct T02_descriptor *pT02)
{
	struct wb35_mds *pMds = &adapter->Mds;
	struct hw_data *pHwData = &adapter->sHwData;
	u8	PacketId = (u8)pT02->T02_Tx_PktID;
	unsigned char	SendOK = true;
	u8	RetryCount, TxRate;

	if (pT02->T02_IgnoreResult) /* Don't care the result */
		return;
	if (pT02->T02_IsLastMpdu) {
		/* TODO: DTO -- get the retry count and fragment count */
		/* Tx rate */
		TxRate = pMds->TxRate[PacketId][0];
		RetryCount = (u8)pT02->T02_MPDU_Cnt;
		if (pT02->value & FLAG_ERROR_TX_MASK) {
			SendOK = false;

			if (pT02->T02_transmit_abort || pT02->T02_out_of_MaxTxMSDULiftTime) {
				/* retry error */
				pHwData->dto_tx_retry_count += (RetryCount+1);
				/* [for tx debug] */
				if (RetryCount < 7)
					pHwData->tx_retry_count[RetryCount] += RetryCount;
				else
					pHwData->tx_retry_count[7] += RetryCount;
				pr_debug("dto_tx_retry_count =%d\n", pHwData->dto_tx_retry_count);
				MTO_SetTxCount(adapter, TxRate, RetryCount);
			}
			pHwData->dto_tx_frag_count += (RetryCount+1);

			/* [for tx debug] */
			if (pT02->T02_transmit_abort_due_to_TBTT)
				pHwData->tx_TBTT_start_count++;
			if (pT02->T02_transmit_without_encryption_due_to_wep_on_false)
				pHwData->tx_WepOn_false_count++;
			if (pT02->T02_discard_due_to_null_wep_key)
				pHwData->tx_Null_key_count++;
		} else {
			if (pT02->T02_effective_transmission_rate)
				pHwData->tx_ETR_count++;
			MTO_SetTxCount(adapter, TxRate, RetryCount);
		}

		/* Clear send result buffer */
		pMds->TxResult[PacketId] = 0;
	} else
		pMds->TxResult[PacketId] |= ((u16)(pT02->value & 0x0ffff));
}