Commit | Line | Data |
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66101de1 PM |
1 | #include "os_common.h" |
2 | ||
3 | void | |
4 | Mds_reset_descriptor(PADAPTER Adapter) | |
5 | { | |
6 | PMDS pMds = &Adapter->Mds; | |
7 | ||
8 | pMds->TxPause = 0; | |
9 | pMds->TxThreadCount = 0; | |
10 | pMds->TxFillIndex = 0; | |
11 | pMds->TxDesIndex = 0; | |
12 | pMds->ScanTxPause = 0; | |
13 | memset(pMds->TxOwner, 0, ((MAX_USB_TX_BUFFER_NUMBER + 3) & ~0x03)); | |
14 | } | |
15 | ||
16 | unsigned char | |
17 | Mds_initial(PADAPTER Adapter) | |
18 | { | |
19 | PMDS pMds = &Adapter->Mds; | |
20 | ||
21 | pMds->TxPause = FALSE; | |
22 | pMds->TxRTSThreshold = DEFAULT_RTSThreshold; | |
23 | pMds->TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; | |
24 | ||
25 | vRxTimerInit(Adapter);//for WPA countermeasure | |
26 | ||
27 | return hal_get_tx_buffer( &Adapter->sHwData, &pMds->pTxBuffer ); | |
28 | } | |
29 | ||
30 | void | |
31 | Mds_Destroy(PADAPTER Adapter) | |
32 | { | |
33 | vRxTimerStop(Adapter); | |
34 | } | |
35 | ||
36 | void | |
37 | Mds_Tx(PADAPTER Adapter) | |
38 | { | |
39 | phw_data_t pHwData = &Adapter->sHwData; | |
40 | PMDS pMds = &Adapter->Mds; | |
41 | DESCRIPTOR TxDes; | |
42 | PDESCRIPTOR pTxDes = &TxDes; | |
43 | PUCHAR XmitBufAddress; | |
44 | u16 XmitBufSize, PacketSize, stmp, CurrentSize, FragmentThreshold; | |
45 | u8 FillIndex, TxDesIndex, FragmentCount, FillCount; | |
46 | unsigned char BufferFilled = FALSE, MICAdd = 0; | |
47 | ||
48 | ||
49 | if (pMds->TxPause) | |
50 | return; | |
51 | if (!hal_driver_init_OK(pHwData)) | |
52 | return; | |
53 | ||
54 | //Only one thread can be run here | |
55 | if (!OS_ATOMIC_INC( Adapter, &pMds->TxThreadCount) == 1) | |
56 | goto cleanup; | |
57 | ||
58 | // Start to fill the data | |
59 | do { | |
60 | FillIndex = pMds->TxFillIndex; | |
61 | if (pMds->TxOwner[FillIndex]) { // Is owned by software 0:Yes 1:No | |
62 | #ifdef _PE_TX_DUMP_ | |
63 | WBDEBUG(("[Mds_Tx] Tx Owner is H/W.\n")); | |
64 | #endif | |
65 | break; | |
66 | } | |
67 | ||
68 | XmitBufAddress = pMds->pTxBuffer + (MAX_USB_TX_BUFFER * FillIndex); //Get buffer | |
69 | XmitBufSize = 0; | |
70 | FillCount = 0; | |
71 | do { | |
72 | PacketSize = Adapter->sMlmeFrame.len; | |
73 | if (!PacketSize) | |
74 | break; | |
75 | ||
76 | //For Check the buffer resource | |
77 | FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD; | |
78 | //931130.5.b | |
79 | FragmentCount = PacketSize/FragmentThreshold + 1; | |
80 | stmp = PacketSize + FragmentCount*32 + 8;//931130.5.c 8:MIC | |
81 | if ((XmitBufSize + stmp) >= MAX_USB_TX_BUFFER) { | |
82 | printk("[Mds_Tx] Excess max tx buffer.\n"); | |
83 | break; // buffer is not enough | |
84 | } | |
85 | ||
86 | ||
87 | // | |
88 | // Start transmitting | |
89 | // | |
90 | BufferFilled = TRUE; | |
91 | ||
92 | /* Leaves first u8 intact */ | |
93 | memset((PUCHAR)pTxDes + 1, 0, sizeof(DESCRIPTOR) - 1); | |
94 | ||
95 | TxDesIndex = pMds->TxDesIndex;//Get the current ID | |
96 | pTxDes->Descriptor_ID = TxDesIndex; | |
97 | pMds->TxDesFrom[ TxDesIndex ] = 2;//Storing the information of source comming from | |
98 | pMds->TxDesIndex++; | |
99 | pMds->TxDesIndex %= MAX_USB_TX_DESCRIPTOR; | |
100 | ||
101 | MLME_GetNextPacket( Adapter, pTxDes ); | |
102 | ||
103 | // Copy header. 8byte USB + 24byte 802.11Hdr. Set TxRate, Preamble type | |
104 | Mds_HeaderCopy( Adapter, pTxDes, XmitBufAddress ); | |
105 | ||
106 | // For speed up Key setting | |
107 | if (pTxDes->EapFix) { | |
108 | #ifdef _PE_TX_DUMP_ | |
109 | WBDEBUG(("35: EPA 4th frame detected. Size = %d\n", PacketSize)); | |
110 | #endif | |
111 | pHwData->IsKeyPreSet = 1; | |
112 | } | |
113 | ||
114 | // Copy (fragment) frame body, and set USB, 802.11 hdr flag | |
115 | CurrentSize = Mds_BodyCopy(Adapter, pTxDes, XmitBufAddress); | |
116 | ||
117 | // Set RTS/CTS and Normal duration field into buffer | |
118 | Mds_DurationSet(Adapter, pTxDes, XmitBufAddress); | |
119 | ||
120 | // | |
121 | // Calculation MIC from buffer which maybe fragment, then fill into temporary address 8 byte | |
122 | // 931130.5.e | |
123 | if (MICAdd) | |
124 | Mds_MicFill( Adapter, pTxDes, XmitBufAddress ); | |
125 | ||
126 | //Shift to the next address | |
127 | XmitBufSize += CurrentSize; | |
128 | XmitBufAddress += CurrentSize; | |
129 | ||
130 | #ifdef _IBSS_BEACON_SEQ_STICK_ | |
131 | if ((XmitBufAddress[ DOT_11_DA_OFFSET+8 ] & 0xfc) != MAC_SUBTYPE_MNGMNT_PROBE_REQUEST) // +8 for USB hdr | |
132 | #endif | |
133 | pMds->TxToggle = TRUE; | |
134 | ||
135 | // Get packet to transmit completed, 1:TESTSTA 2:MLME 3: Ndis data | |
136 | MLME_SendComplete(Adapter, 0, TRUE); | |
137 | ||
138 | // Software TSC count 20060214 | |
139 | pMds->TxTsc++; | |
140 | if (pMds->TxTsc == 0) | |
141 | pMds->TxTsc_2++; | |
142 | ||
143 | FillCount++; // 20060928 | |
144 | } while (HAL_USB_MODE_BURST(pHwData)); // End of multiple MSDU copy loop. FALSE = single TRUE = multiple sending | |
145 | ||
146 | // Move to the next one, if necessary | |
147 | if (BufferFilled) { | |
148 | // size setting | |
149 | pMds->TxBufferSize[ FillIndex ] = XmitBufSize; | |
150 | ||
151 | // 20060928 set Tx count | |
152 | pMds->TxCountInBuffer[FillIndex] = FillCount; | |
153 | ||
154 | // Set owner flag | |
155 | pMds->TxOwner[FillIndex] = 1; | |
156 | ||
157 | pMds->TxFillIndex++; | |
158 | pMds->TxFillIndex %= MAX_USB_TX_BUFFER_NUMBER; | |
159 | BufferFilled = FALSE; | |
160 | } else | |
161 | break; | |
162 | ||
163 | if (!PacketSize) // No more pk for transmitting | |
164 | break; | |
165 | ||
166 | } while(TRUE); | |
167 | ||
168 | // | |
169 | // Start to send by lower module | |
170 | // | |
171 | if (!pHwData->IsKeyPreSet) | |
172 | Wb35Tx_start(pHwData); | |
173 | ||
174 | cleanup: | |
175 | OS_ATOMIC_DEC( Adapter, &pMds->TxThreadCount ); | |
176 | } | |
177 | ||
178 | void | |
179 | Mds_SendComplete(PADAPTER Adapter, PT02_DESCRIPTOR pT02) | |
180 | { | |
181 | PMDS pMds = &Adapter->Mds; | |
182 | phw_data_t pHwData = &Adapter->sHwData; | |
183 | u8 PacketId = (u8)pT02->T02_Tx_PktID; | |
184 | unsigned char SendOK = TRUE; | |
185 | u8 RetryCount, TxRate; | |
186 | ||
187 | if (pT02->T02_IgnoreResult) // Don't care the result | |
188 | return; | |
189 | if (pT02->T02_IsLastMpdu) { | |
190 | //TODO: DTO -- get the retry count and fragment count | |
191 | // Tx rate | |
192 | TxRate = pMds->TxRate[ PacketId ][ 0 ]; | |
193 | RetryCount = (u8)pT02->T02_MPDU_Cnt; | |
194 | if (pT02->value & FLAG_ERROR_TX_MASK) { | |
195 | SendOK = FALSE; | |
196 | ||
197 | if (pT02->T02_transmit_abort || pT02->T02_out_of_MaxTxMSDULiftTime) { | |
198 | //retry error | |
199 | pHwData->dto_tx_retry_count += (RetryCount+1); | |
200 | //[for tx debug] | |
201 | if (RetryCount<7) | |
202 | pHwData->tx_retry_count[RetryCount] += RetryCount; | |
203 | else | |
204 | pHwData->tx_retry_count[7] += RetryCount; | |
205 | #ifdef _PE_STATE_DUMP_ | |
206 | WBDEBUG(("dto_tx_retry_count =%d\n", pHwData->dto_tx_retry_count)); | |
207 | #endif | |
208 | MTO_SetTxCount(Adapter, TxRate, RetryCount); | |
209 | } | |
210 | pHwData->dto_tx_frag_count += (RetryCount+1); | |
211 | ||
212 | //[for tx debug] | |
213 | if (pT02->T02_transmit_abort_due_to_TBTT) | |
214 | pHwData->tx_TBTT_start_count++; | |
215 | if (pT02->T02_transmit_without_encryption_due_to_wep_on_false) | |
216 | pHwData->tx_WepOn_false_count++; | |
217 | if (pT02->T02_discard_due_to_null_wep_key) | |
218 | pHwData->tx_Null_key_count++; | |
219 | } else { | |
220 | if (pT02->T02_effective_transmission_rate) | |
221 | pHwData->tx_ETR_count++; | |
222 | MTO_SetTxCount(Adapter, TxRate, RetryCount); | |
223 | } | |
224 | ||
225 | // Clear send result buffer | |
226 | pMds->TxResult[ PacketId ] = 0; | |
227 | } else | |
228 | pMds->TxResult[ PacketId ] |= ((u16)(pT02->value & 0x0ffff)); | |
229 | } | |
230 | ||
231 | void | |
232 | Mds_HeaderCopy(PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer) | |
233 | { | |
234 | PMDS pMds = &Adapter->Mds; | |
235 | PUCHAR src_buffer = pDes->buffer_address[0];//931130.5.g | |
236 | PT00_DESCRIPTOR pT00; | |
237 | PT01_DESCRIPTOR pT01; | |
238 | u16 stmp; | |
239 | u8 i, ctmp1, ctmp2, ctmpf; | |
240 | u16 FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD; | |
241 | ||
242 | ||
243 | stmp = pDes->buffer_total_size; | |
244 | // | |
245 | // Set USB header 8 byte | |
246 | // | |
247 | pT00 = (PT00_DESCRIPTOR)TargetBuffer; | |
248 | TargetBuffer += 4; | |
249 | pT01 = (PT01_DESCRIPTOR)TargetBuffer; | |
250 | TargetBuffer += 4; | |
251 | ||
252 | pT00->value = 0;// Clear | |
253 | pT01->value = 0;// Clear | |
254 | ||
255 | pT00->T00_tx_packet_id = pDes->Descriptor_ID;// Set packet ID | |
256 | pT00->T00_header_length = 24;// Set header length | |
257 | pT01->T01_retry_abort_ebable = 1;//921013 931130.5.h | |
258 | ||
259 | // Key ID setup | |
260 | pT01->T01_wep_id = 0; | |
261 | ||
262 | FragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; //Do not fragment | |
263 | // Copy full data, the 1'st buffer contain all the data 931130.5.j | |
264 | memcpy( TargetBuffer, src_buffer, DOT_11_MAC_HEADER_SIZE );// Copy header | |
265 | pDes->buffer_address[0] = src_buffer + DOT_11_MAC_HEADER_SIZE; | |
266 | pDes->buffer_total_size -= DOT_11_MAC_HEADER_SIZE; | |
267 | pDes->buffer_size[0] = pDes->buffer_total_size; | |
268 | ||
269 | // Set fragment threshold | |
270 | FragmentThreshold -= (DOT_11_MAC_HEADER_SIZE + 4); | |
271 | pDes->FragmentThreshold = FragmentThreshold; | |
272 | ||
273 | // Set more frag bit | |
274 | TargetBuffer[1] |= 0x04;// Set more frag bit | |
275 | ||
276 | // | |
277 | // Set tx rate | |
278 | // | |
279 | stmp = *(PUSHORT)(TargetBuffer+30); // 2n alignment address | |
280 | ||
281 | //Use basic rate | |
282 | ctmp1 = ctmpf = CURRENT_TX_RATE_FOR_MNG; | |
283 | ||
284 | pDes->TxRate = ctmp1; | |
285 | #ifdef _PE_TX_DUMP_ | |
286 | WBDEBUG(("Tx rate =%x\n", ctmp1)); | |
287 | #endif | |
288 | ||
289 | pT01->T01_modulation_type = (ctmp1%3) ? 0 : 1; | |
290 | ||
291 | for( i=0; i<2; i++ ) { | |
292 | if( i == 1 ) | |
293 | ctmp1 = ctmpf; | |
294 | ||
295 | pMds->TxRate[pDes->Descriptor_ID][i] = ctmp1; // backup the ta rate and fall back rate | |
296 | ||
297 | if( ctmp1 == 108) ctmp2 = 7; | |
298 | else if( ctmp1 == 96 ) ctmp2 = 6; // Rate convert for USB | |
299 | else if( ctmp1 == 72 ) ctmp2 = 5; | |
300 | else if( ctmp1 == 48 ) ctmp2 = 4; | |
301 | else if( ctmp1 == 36 ) ctmp2 = 3; | |
302 | else if( ctmp1 == 24 ) ctmp2 = 2; | |
303 | else if( ctmp1 == 18 ) ctmp2 = 1; | |
304 | else if( ctmp1 == 12 ) ctmp2 = 0; | |
305 | else if( ctmp1 == 22 ) ctmp2 = 3; | |
306 | else if( ctmp1 == 11 ) ctmp2 = 2; | |
307 | else if( ctmp1 == 4 ) ctmp2 = 1; | |
308 | else ctmp2 = 0; // if( ctmp1 == 2 ) or default | |
309 | ||
310 | if( i == 0 ) | |
311 | pT01->T01_transmit_rate = ctmp2; | |
312 | else | |
313 | pT01->T01_fall_back_rate = ctmp2; | |
314 | } | |
315 | ||
316 | // | |
317 | // Set preamble type | |
318 | // | |
319 | if ((pT01->T01_modulation_type == 0) && (pT01->T01_transmit_rate == 0)) // RATE_1M | |
320 | pDes->PreambleMode = WLAN_PREAMBLE_TYPE_LONG; | |
321 | else | |
322 | pDes->PreambleMode = CURRENT_PREAMBLE_MODE; | |
323 | pT01->T01_plcp_header_length = pDes->PreambleMode; // Set preamble | |
324 | ||
325 | } | |
326 | ||
327 | // The function return the 4n size of usb pk | |
328 | u16 | |
329 | Mds_BodyCopy(PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer) | |
330 | { | |
331 | PT00_DESCRIPTOR pT00; | |
332 | PMDS pMds = &Adapter->Mds; | |
333 | PUCHAR buffer, src_buffer, pctmp; | |
334 | u16 Size = 0; | |
335 | u16 SizeLeft, CopySize, CopyLeft, stmp; | |
336 | u8 buf_index, FragmentCount = 0; | |
337 | ||
338 | ||
339 | // Copy fragment body | |
340 | buffer = TargetBuffer; // shift 8B usb + 24B 802.11 | |
341 | SizeLeft = pDes->buffer_total_size; | |
342 | buf_index = pDes->buffer_start_index; | |
343 | ||
344 | pT00 = (PT00_DESCRIPTOR)buffer; | |
345 | while (SizeLeft) { | |
346 | pT00 = (PT00_DESCRIPTOR)buffer; | |
347 | CopySize = SizeLeft; | |
348 | if (SizeLeft > pDes->FragmentThreshold) { | |
349 | CopySize = pDes->FragmentThreshold; | |
350 | pT00->T00_frame_length = 24 + CopySize;//Set USB length | |
351 | } else | |
352 | pT00->T00_frame_length = 24 + SizeLeft;//Set USB length | |
353 | ||
354 | SizeLeft -= CopySize; | |
355 | ||
356 | // 1 Byte operation | |
357 | pctmp = (PUCHAR)( buffer + 8 + DOT_11_SEQUENCE_OFFSET ); | |
358 | *pctmp &= 0xf0; | |
359 | *pctmp |= FragmentCount;//931130.5.m | |
360 | if( !FragmentCount ) | |
361 | pT00->T00_first_mpdu = 1; | |
362 | ||
363 | buffer += 32; // 8B usb + 24B 802.11 header | |
364 | Size += 32; | |
365 | ||
366 | // Copy into buffer | |
367 | stmp = CopySize + 3; | |
368 | stmp &= ~0x03;//4n Alignment | |
369 | Size += stmp;// Current 4n offset of mpdu | |
370 | ||
371 | while (CopySize) { | |
372 | // Copy body | |
373 | src_buffer = pDes->buffer_address[buf_index]; | |
374 | CopyLeft = CopySize; | |
375 | if (CopySize >= pDes->buffer_size[buf_index]) { | |
376 | CopyLeft = pDes->buffer_size[buf_index]; | |
377 | ||
378 | // Get the next buffer of descriptor | |
379 | buf_index++; | |
380 | buf_index %= MAX_DESCRIPTOR_BUFFER_INDEX; | |
381 | } else { | |
382 | PUCHAR pctmp = pDes->buffer_address[buf_index]; | |
383 | pctmp += CopySize; | |
384 | pDes->buffer_address[buf_index] = pctmp; | |
385 | pDes->buffer_size[buf_index] -= CopySize; | |
386 | } | |
387 | ||
388 | memcpy(buffer, src_buffer, CopyLeft); | |
389 | buffer += CopyLeft; | |
390 | CopySize -= CopyLeft; | |
391 | } | |
392 | ||
393 | // 931130.5.n | |
394 | if (pMds->MicAdd) { | |
395 | if (!SizeLeft) { | |
396 | pMds->MicWriteAddress[ pMds->MicWriteIndex ] = buffer - pMds->MicAdd; | |
397 | pMds->MicWriteSize[ pMds->MicWriteIndex ] = pMds->MicAdd; | |
398 | pMds->MicAdd = 0; | |
399 | } | |
400 | else if( SizeLeft < 8 ) //931130.5.p | |
401 | { | |
402 | pMds->MicAdd = SizeLeft; | |
403 | pMds->MicWriteAddress[ pMds->MicWriteIndex ] = buffer - ( 8 - SizeLeft ); | |
404 | pMds->MicWriteSize[ pMds->MicWriteIndex ] = 8 - SizeLeft; | |
405 | pMds->MicWriteIndex++; | |
406 | } | |
407 | } | |
408 | ||
409 | // Does it need to generate the new header for next mpdu? | |
410 | if (SizeLeft) { | |
411 | buffer = TargetBuffer + Size; // Get the next 4n start address | |
412 | memcpy( buffer, TargetBuffer, 32 );//Copy 8B USB +24B 802.11 | |
413 | pT00 = (PT00_DESCRIPTOR)buffer; | |
414 | pT00->T00_first_mpdu = 0; | |
415 | } | |
416 | ||
417 | FragmentCount++; | |
418 | } | |
419 | ||
420 | pT00->T00_last_mpdu = 1; | |
421 | pT00->T00_IsLastMpdu = 1; | |
422 | buffer = (PUCHAR)pT00 + 8; // +8 for USB hdr | |
423 | buffer[1] &= ~0x04; // Clear more frag bit of 802.11 frame control | |
424 | pDes->FragmentCount = FragmentCount; // Update the correct fragment number | |
425 | return Size; | |
426 | } | |
427 | ||
428 | ||
429 | void | |
430 | Mds_DurationSet( PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR buffer ) | |
431 | { | |
432 | PT00_DESCRIPTOR pT00; | |
433 | PT01_DESCRIPTOR pT01; | |
434 | u16 Duration, NextBodyLen, OffsetSize; | |
435 | u8 Rate, i; | |
436 | unsigned char CTS_on = FALSE, RTS_on = FALSE; | |
437 | PT00_DESCRIPTOR pNextT00; | |
438 | u16 BodyLen; | |
439 | unsigned char boGroupAddr = FALSE; | |
440 | ||
441 | ||
442 | OffsetSize = pDes->FragmentThreshold + 32 + 3; | |
443 | OffsetSize &= ~0x03; | |
444 | Rate = pDes->TxRate >> 1; | |
445 | if (!Rate) | |
446 | Rate = 1; | |
447 | ||
448 | pT00 = (PT00_DESCRIPTOR)buffer; | |
449 | pT01 = (PT01_DESCRIPTOR)(buffer+4); | |
450 | pNextT00 = (PT00_DESCRIPTOR)(buffer+OffsetSize); | |
451 | ||
452 | if( buffer[ DOT_11_DA_OFFSET+8 ] & 0x1 ) // +8 for USB hdr | |
453 | boGroupAddr = TRUE; | |
454 | ||
455 | //======================================== | |
456 | // Set RTS/CTS mechanism | |
457 | //======================================== | |
458 | if (!boGroupAddr) | |
459 | { | |
460 | //NOTE : If the protection mode is enabled and the MSDU will be fragmented, | |
461 | // the tx rates of MPDUs will all be DSSS rates. So it will not use | |
462 | // CTS-to-self in this case. CTS-To-self will only be used when without | |
463 | // fragmentation. -- 20050112 | |
464 | BodyLen = (u16)pT00->T00_frame_length; //include 802.11 header | |
465 | BodyLen += 4; //CRC | |
466 | ||
467 | if( BodyLen >= CURRENT_RTS_THRESHOLD ) | |
468 | RTS_on = TRUE; // Using RTS | |
469 | else | |
470 | { | |
471 | if( pT01->T01_modulation_type ) // Is using OFDM | |
472 | { | |
473 | if( CURRENT_PROTECT_MECHANISM ) // Is using protect | |
474 | CTS_on = TRUE; // Using CTS | |
475 | } | |
476 | } | |
477 | } | |
478 | ||
479 | if( RTS_on || CTS_on ) | |
480 | { | |
481 | if( pT01->T01_modulation_type) // Is using OFDM | |
482 | { | |
483 | //CTS duration | |
484 | // 2 SIFS + DATA transmit time + 1 ACK | |
485 | // ACK Rate : 24 Mega bps | |
486 | // ACK frame length = 14 bytes | |
487 | Duration = 2*DEFAULT_SIFSTIME + | |
488 | 2*PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION + | |
489 | ((BodyLen*8 + 22 + Rate*4 - 1)/(Rate*4))*Tsym + | |
490 | ((112 + 22 + 95)/96)*Tsym; | |
491 | } | |
492 | else //DSSS | |
493 | { | |
494 | //CTS duration | |
495 | // 2 SIFS + DATA transmit time + 1 ACK | |
496 | // Rate : ?? Mega bps | |
497 | // ACK frame length = 14 bytes | |
498 | if( pT01->T01_plcp_header_length ) //long preamble | |
499 | Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*2; | |
500 | else | |
501 | Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*2; | |
502 | ||
503 | Duration += ( ((BodyLen + 14)*8 + Rate-1) / Rate + | |
504 | DEFAULT_SIFSTIME*2 ); | |
505 | } | |
506 | ||
507 | if( RTS_on ) | |
508 | { | |
509 | if( pT01->T01_modulation_type ) // Is using OFDM | |
510 | { | |
511 | //CTS + 1 SIFS + CTS duration | |
512 | //CTS Rate : 24 Mega bps | |
513 | //CTS frame length = 14 bytes | |
514 | Duration += (DEFAULT_SIFSTIME + | |
515 | PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION + | |
516 | ((112 + 22 + 95)/96)*Tsym); | |
517 | } | |
518 | else | |
519 | { | |
520 | //CTS + 1 SIFS + CTS duration | |
521 | //CTS Rate : ?? Mega bps | |
522 | //CTS frame length = 14 bytes | |
523 | if( pT01->T01_plcp_header_length ) //long preamble | |
524 | Duration += LONG_PREAMBLE_PLUS_PLCPHEADER_TIME; | |
525 | else | |
526 | Duration += SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME; | |
527 | ||
528 | Duration += ( ((112 + Rate-1) / Rate) + DEFAULT_SIFSTIME ); | |
529 | } | |
530 | } | |
531 | ||
532 | // Set the value into USB descriptor | |
533 | pT01->T01_add_rts = RTS_on ? 1 : 0; | |
534 | pT01->T01_add_cts = CTS_on ? 1 : 0; | |
535 | pT01->T01_rts_cts_duration = Duration; | |
536 | } | |
537 | ||
538 | //===================================== | |
539 | // Fill the more fragment descriptor | |
540 | //===================================== | |
541 | if( boGroupAddr ) | |
542 | Duration = 0; | |
543 | else | |
544 | { | |
545 | for( i=pDes->FragmentCount-1; i>0; i-- ) | |
546 | { | |
547 | NextBodyLen = (u16)pNextT00->T00_frame_length; | |
548 | NextBodyLen += 4; //CRC | |
549 | ||
550 | if( pT01->T01_modulation_type ) | |
551 | { | |
552 | //OFDM | |
553 | // data transmit time + 3 SIFS + 2 ACK | |
554 | // Rate : ??Mega bps | |
555 | // ACK frame length = 14 bytes, tx rate = 24M | |
556 | Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION * 3; | |
557 | Duration += (((NextBodyLen*8 + 22 + Rate*4 - 1)/(Rate*4)) * Tsym + | |
558 | (((2*14)*8 + 22 + 95)/96)*Tsym + | |
559 | DEFAULT_SIFSTIME*3); | |
560 | } | |
561 | else | |
562 | { | |
563 | //DSSS | |
564 | // data transmit time + 2 ACK + 3 SIFS | |
565 | // Rate : ??Mega bps | |
566 | // ACK frame length = 14 bytes | |
567 | //TODO : | |
568 | if( pT01->T01_plcp_header_length ) //long preamble | |
569 | Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*3; | |
570 | else | |
571 | Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*3; | |
572 | ||
573 | Duration += ( ((NextBodyLen + (2*14))*8 + Rate-1) / Rate + | |
574 | DEFAULT_SIFSTIME*3 ); | |
575 | } | |
576 | ||
577 | ((PUSHORT)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration | |
578 | ||
579 | //----20061009 add by anson's endian | |
580 | pNextT00->value = cpu_to_le32(pNextT00->value); | |
581 | pT01->value = cpu_to_le32( pT01->value ); | |
582 | //----end 20061009 add by anson's endian | |
583 | ||
584 | buffer += OffsetSize; | |
585 | pT01 = (PT01_DESCRIPTOR)(buffer+4); | |
586 | if (i != 1) //The last fragment will not have the next fragment | |
587 | pNextT00 = (PT00_DESCRIPTOR)(buffer+OffsetSize); | |
588 | } | |
589 | ||
590 | //===================================== | |
591 | // Fill the last fragment descriptor | |
592 | //===================================== | |
593 | if( pT01->T01_modulation_type ) | |
594 | { | |
595 | //OFDM | |
596 | // 1 SIFS + 1 ACK | |
597 | // Rate : 24 Mega bps | |
598 | // ACK frame length = 14 bytes | |
599 | Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION; | |
600 | //The Tx rate of ACK use 24M | |
601 | Duration += (((112 + 22 + 95)/96)*Tsym + DEFAULT_SIFSTIME ); | |
602 | } | |
603 | else | |
604 | { | |
605 | // DSSS | |
606 | // 1 ACK + 1 SIFS | |
607 | // Rate : ?? Mega bps | |
608 | // ACK frame length = 14 bytes(112 bits) | |
609 | if( pT01->T01_plcp_header_length ) //long preamble | |
610 | Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME; | |
611 | else | |
612 | Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME; | |
613 | ||
614 | Duration += ( (112 + Rate-1)/Rate + DEFAULT_SIFSTIME ); | |
615 | } | |
616 | } | |
617 | ||
618 | ((PUSHORT)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration | |
619 | pT00->value = cpu_to_le32(pT00->value); | |
620 | pT01->value = cpu_to_le32(pT01->value); | |
621 | //--end 20061009 add | |
622 | ||
623 | } | |
624 | ||
625 | void MDS_EthernetPacketReceive( PADAPTER Adapter, PRXLAYER1 pRxLayer1 ) | |
626 | { | |
627 | OS_RECEIVE_PACKET_INDICATE( Adapter, pRxLayer1 ); | |
628 | } | |
629 | ||
630 |