drivers/staging/winbond/mds.c

   1 #include "mds_f.h"
   2 #include "mlmetxrx_f.h"
   3 #include "mto.h"
   4 #include "sysdef.h"
   5 #include "wbhal_f.h"
   6 #include "wblinux_f.h"
   7
   8 unsigned char
   9 Mds_initial(struct wbsoft_priv *adapter)
  10 {
  11         struct wb35_mds *pMds = &adapter->Mds;
  12
  13         pMds->TxPause = false;
  14         pMds->TxRTSThreshold = DEFAULT_RTSThreshold;
  15         pMds->TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;
  16
  17         return hal_get_tx_buffer(&adapter->sHwData, &pMds->pTxBuffer);
  18 }
  19
  20 void
  21 Mds_Destroy(struct wbsoft_priv *adapter)
  22 {
  23 }
  24
  25 static void Mds_DurationSet(struct wbsoft_priv *adapter,  struct wb35_descriptor *pDes,  u8 *buffer)
  26 {
  27         struct T00_descriptor *pT00;
  28         struct T01_descriptor *pT01;
  29         u16     Duration, NextBodyLen, OffsetSize;
  30         u8      Rate, i;
  31         unsigned char   CTS_on = false, RTS_on = false;
  32         struct T00_descriptor *pNextT00;
  33         u16 BodyLen = 0;
  34         unsigned char boGroupAddr = false;
  35
  36         OffsetSize = pDes->FragmentThreshold + 32 + 3;
  37         OffsetSize &= ~0x03;
  38         Rate = pDes->TxRate >> 1;
  39         if (!Rate)
  40                 Rate = 1;
  41
  42         pT00 = (struct T00_descriptor *)buffer;
  43         pT01 = (struct T01_descriptor *)(buffer+4);
  44         pNextT00 = (struct T00_descriptor *)(buffer+OffsetSize);
  45
  46         if (buffer[DOT_11_DA_OFFSET+8] & 0x1) /* +8 for USB hdr */
  47                 boGroupAddr = true;
  48
  49         /******************************************
  50          * Set RTS/CTS mechanism
  51          ******************************************/
  52         if (!boGroupAddr) {
  53                 /* NOTE : If the protection mode is enabled and the MSDU will be fragmented,
  54                  *               the tx rates of MPDUs will all be DSSS rates. So it will not use
  55                  *               CTS-to-self in this case. CTS-To-self will only be used when without
  56                  *               fragmentation. -- 20050112 */
  57                 BodyLen = (u16)pT00->T00_frame_length;  /* include 802.11 header */
  58                 BodyLen += 4;   /* CRC */
  59
  60                 if (BodyLen >= CURRENT_RTS_THRESHOLD)
  61                         RTS_on = true; /* Using RTS */
  62                 else {
  63                         if (pT01->T01_modulation_type) { /* Is using OFDM */
  64                                 if (CURRENT_PROTECT_MECHANISM) /* Is using protect */
  65                                         CTS_on = true; /* Using CTS */
  66                         }
  67                 }
  68         }
  69
  70         if (RTS_on || CTS_on) {
  71                 if (pT01->T01_modulation_type) { /* Is using OFDM */
  72                         /* CTS duration
  73                          *  2 SIFS + DATA transmit time + 1 ACK
  74                          *  ACK Rate : 24 Mega bps
  75                          *  ACK frame length = 14 bytes */
  76                         Duration = 2*DEFAULT_SIFSTIME +
  77                                            2*PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION +
  78                                            ((BodyLen*8 + 22 + Rate*4 - 1)/(Rate*4))*Tsym +
  79                                            ((112 + 22 + 95)/96)*Tsym;
  80                 } else  { /* DSSS */
  81                         /* CTS duration
  82                          *  2 SIFS + DATA transmit time + 1 ACK
  83                          *  Rate : ?? Mega bps
  84                          *  ACK frame length = 14 bytes */
  85                         if (pT01->T01_plcp_header_length) /* long preamble */
  86                                 Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*2;
  87                         else
  88                                 Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*2;
  89
  90                         Duration += (((BodyLen + 14)*8 + Rate-1) / Rate +
  91                                                 DEFAULT_SIFSTIME*2);
  92                 }
  93
  94                 if (RTS_on) {
  95                         if (pT01->T01_modulation_type) { /* Is using OFDM */
  96                                 /* CTS + 1 SIFS + CTS duration
  97                                  * CTS Rate : 24 Mega bps
  98                                  * CTS frame length = 14 bytes */
  99                                 Duration += (DEFAULT_SIFSTIME +
 100                                                                 PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION +
 101                                                                 ((112 + 22 + 95)/96)*Tsym);
 102                         } else {
 103                                 /* CTS + 1 SIFS + CTS duration
 104                                  * CTS Rate : ?? Mega bps
 105                                  * CTS frame length = 14 bytes */
 106                                 if (pT01->T01_plcp_header_length) /* long preamble */
 107                                         Duration += LONG_PREAMBLE_PLUS_PLCPHEADER_TIME;
 108                                 else
 109                                         Duration += SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME;
 110
 111                                 Duration += (((112 + Rate-1) / Rate) + DEFAULT_SIFSTIME);
 112                         }
 113                 }
 114
 115                 /* Set the value into USB descriptor */
 116                 pT01->T01_add_rts = RTS_on ? 1 : 0;
 117                 pT01->T01_add_cts = CTS_on ? 1 : 0;
 118                 pT01->T01_rts_cts_duration = Duration;
 119         }
 120
 121         /******************************************
 122          * Fill the more fragment descriptor
 123          ******************************************/
 124         if (boGroupAddr)
 125                 Duration = 0;
 126         else {
 127                 for (i = pDes->FragmentCount-1; i > 0; i--) {
 128                         NextBodyLen = (u16)pNextT00->T00_frame_length;
 129                         NextBodyLen += 4;       /* CRC */
 130
 131                         if (pT01->T01_modulation_type) {
 132                                 /* OFDM
 133                                  *  data transmit time + 3 SIFS + 2 ACK
 134                                  *  Rate : ??Mega bps
 135                                  *  ACK frame length = 14 bytes, tx rate = 24M */
 136                                 Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION * 3;
 137                                 Duration += (((NextBodyLen*8 + 22 + Rate*4 - 1)/(Rate*4)) * Tsym +
 138                                                         (((2*14)*8 + 22 + 95)/96)*Tsym +
 139                                                         DEFAULT_SIFSTIME*3);
 140                         } else {
 141                                 /* DSSS
 142                                  *  data transmit time + 2 ACK + 3 SIFS
 143                                  *  Rate : ??Mega bps
 144                                  *  ACK frame length = 14 bytes
 145                                  * TODO : */
 146                                 if (pT01->T01_plcp_header_length) /* long preamble */
 147                                         Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*3;
 148                                 else
 149                                         Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*3;
 150
 151                                 Duration += (((NextBodyLen + (2*14))*8 + Rate-1) / Rate +
 152                                                         DEFAULT_SIFSTIME*3);
 153                         }
 154
 155                         ((u16 *)buffer)[5] = cpu_to_le16(Duration); /* 4 USHOR for skip 8B USB, 2USHORT=FC + Duration */
 156
 157                         /* ----20061009 add by anson's endian */
 158                         pNextT00->value = cpu_to_le32(pNextT00->value);
 159                         pT01->value = cpu_to_le32(pT01->value);
 160                         /* ----end 20061009 add by anson's endian */
 161
 162                         buffer += OffsetSize;
 163                         pT01 = (struct T01_descriptor *)(buffer+4);
 164                         if (i != 1)     /* The last fragment will not have the next fragment */
 165                                 pNextT00 = (struct T00_descriptor *)(buffer+OffsetSize);
 166                 }
 167
 168                 /*******************************************
 169                  * Fill the last fragment descriptor
 170                  *******************************************/
 171                 if (pT01->T01_modulation_type) {
 172                         /* OFDM
 173                          *  1 SIFS + 1 ACK
 174                          *  Rate : 24 Mega bps
 175                          * ACK frame length = 14 bytes */
 176                         Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION;
 177                         /* The Tx rate of ACK use 24M */
 178                         Duration += (((112 + 22 + 95)/96)*Tsym + DEFAULT_SIFSTIME);
 179                 } else {
 180                         /* DSSS
 181                          * 1 ACK + 1 SIFS
 182                          * Rate : ?? Mega bps
 183                          * ACK frame length = 14 bytes(112 bits) */
 184                         if (pT01->T01_plcp_header_length) /* long preamble */
 185                                 Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME;
 186                         else
 187                                 Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME;
 188
 189                         Duration += ((112 + Rate-1)/Rate + DEFAULT_SIFSTIME);
 190                 }
 191         }
 192
 193         ((u16 *)buffer)[5] = cpu_to_le16(Duration); /* 4 USHOR for skip 8B USB, 2USHORT=FC + Duration */
 194         pT00->value = cpu_to_le32(pT00->value);
 195         pT01->value = cpu_to_le32(pT01->value);
 196         /* --end 20061009 add */
 197
 198 }
 199
 200 /* The function return the 4n size of usb pk */
 201 static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDes, u8 *TargetBuffer)
 202 {
 203         struct T00_descriptor *pT00;
 204         struct wb35_mds *pMds = &adapter->Mds;
 205         u8      *buffer;
 206         u8      *src_buffer;
 207         u8      *pctmp;
 208         u16     Size = 0;
 209         u16     SizeLeft, CopySize, CopyLeft, stmp;
 210         u8      buf_index, FragmentCount = 0;
 211
 212
 213         /* Copy fragment body */
 214         buffer = TargetBuffer; /* shift 8B usb + 24B 802.11 */
 215         SizeLeft = pDes->buffer_total_size;
 216         buf_index = pDes->buffer_start_index;
 217
 218         pT00 = (struct T00_descriptor *)buffer;
 219         while (SizeLeft) {
 220                 pT00 = (struct T00_descriptor *)buffer;
 221                 CopySize = SizeLeft;
 222                 if (SizeLeft > pDes->FragmentThreshold) {
 223                         CopySize = pDes->FragmentThreshold;
 224                         pT00->T00_frame_length = 24 + CopySize; /* Set USB length */
 225                 } else
 226                         pT00->T00_frame_length = 24 + SizeLeft; /* Set USB length */
 227
 228                 SizeLeft -= CopySize;
 229
 230                 /* 1 Byte operation */
 231                 pctmp = (u8 *)(buffer + 8 + DOT_11_SEQUENCE_OFFSET);
 232                 *pctmp &= 0xf0;
 233                 *pctmp |= FragmentCount; /* 931130.5.m */
 234                 if (!FragmentCount)
 235                         pT00->T00_first_mpdu = 1;
 236
 237                 buffer += 32; /* 8B usb + 24B 802.11 header */
 238                 Size += 32;
 239
 240                 /* Copy into buffer */
 241                 stmp = CopySize + 3;
 242                 stmp &= ~0x03; /* 4n Alignment */
 243                 Size += stmp; /* Current 4n offset of mpdu */
 244
 245                 while (CopySize) {
 246                         /* Copy body */
 247                         src_buffer = pDes->buffer_address[buf_index];
 248                         CopyLeft = CopySize;
 249                         if (CopySize >= pDes->buffer_size[buf_index]) {
 250                                 CopyLeft = pDes->buffer_size[buf_index];
 251
 252                                 /* Get the next buffer of descriptor */
 253                                 buf_index++;
 254                                 buf_index %= MAX_DESCRIPTOR_BUFFER_INDEX;
 255                         } else {
 256                                 u8      *pctmp = pDes->buffer_address[buf_index];
 257                                 pctmp += CopySize;
 258                                 pDes->buffer_address[buf_index] = pctmp;
 259                                 pDes->buffer_size[buf_index] -= CopySize;
 260                         }
 261
 262                         memcpy(buffer, src_buffer, CopyLeft);
 263                         buffer += CopyLeft;
 264                         CopySize -= CopyLeft;
 265                 }
 266
 267                 /* 931130.5.n */
 268                 if (pMds->MicAdd) {
 269                         if (!SizeLeft) {
 270                                 pMds->MicWriteAddress[pMds->MicWriteIndex] = buffer - pMds->MicAdd;
 271                                 pMds->MicWriteSize[pMds->MicWriteIndex] = pMds->MicAdd;
 272                                 pMds->MicAdd = 0;
 273                         } else if (SizeLeft < 8) { /* 931130.5.p */
 274                                 pMds->MicAdd = SizeLeft;
 275                                 pMds->MicWriteAddress[pMds->MicWriteIndex] = buffer - (8 - SizeLeft);
 276                                 pMds->MicWriteSize[pMds->MicWriteIndex] = 8 - SizeLeft;
 277                                 pMds->MicWriteIndex++;
 278                         }
 279                 }
 280
 281                 /* Does it need to generate the new header for next mpdu? */
 282                 if (SizeLeft) {
 283                         buffer = TargetBuffer + Size; /* Get the next 4n start address */
 284                         memcpy(buffer, TargetBuffer, 32); /* Copy 8B USB +24B 802.11 */
 285                         pT00 = (struct T00_descriptor *)buffer;
 286                         pT00->T00_first_mpdu = 0;
 287                 }
 288
 289                 FragmentCount++;
 290         }
 291
 292         pT00->T00_last_mpdu = 1;
 293         pT00->T00_IsLastMpdu = 1;
 294         buffer = (u8 *)pT00 + 8; /* +8 for USB hdr */
 295         buffer[1] &= ~0x04; /* Clear more frag bit of 802.11 frame control */
 296         pDes->FragmentCount = FragmentCount; /* Update the correct fragment number */
 297         return Size;
 298 }
 299
 300 static void Mds_HeaderCopy(struct wbsoft_priv *adapter, struct wb35_descriptor *pDes, u8 *TargetBuffer)
 301 {
 302         struct wb35_mds *pMds = &adapter->Mds;
 303         u8      *src_buffer = pDes->buffer_address[0]; /* 931130.5.g */
 304         struct T00_descriptor *pT00;
 305         struct T01_descriptor *pT01;
 306         u16     stmp;
 307         u8      i, ctmp1, ctmp2, ctmpf;
 308         u16     FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD;
 309
 310
 311         stmp = pDes->buffer_total_size;
 312         /*
 313          * Set USB header 8 byte
 314          */
 315         pT00 = (struct T00_descriptor *)TargetBuffer;
 316         TargetBuffer += 4;
 317         pT01 = (struct T01_descriptor *)TargetBuffer;
 318         TargetBuffer += 4;
 319
 320         pT00->value = 0; /* Clear */
 321         pT01->value = 0; /* Clear */
 322
 323         pT00->T00_tx_packet_id = pDes->Descriptor_ID; /* Set packet ID */
 324         pT00->T00_header_length = 24; /* Set header length */
 325         pT01->T01_retry_abort_ebable = 1; /* 921013 931130.5.h */
 326
 327         /* Key ID setup */
 328         pT01->T01_wep_id = 0;
 329
 330         FragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; /* Do not fragment */
 331         /* Copy full data, the 1'st buffer contain all the data 931130.5.j */
 332         memcpy(TargetBuffer, src_buffer, DOT_11_MAC_HEADER_SIZE); /* Copy header */
 333         pDes->buffer_address[0] = src_buffer + DOT_11_MAC_HEADER_SIZE;
 334         pDes->buffer_total_size -= DOT_11_MAC_HEADER_SIZE;
 335         pDes->buffer_size[0] = pDes->buffer_total_size;
 336
 337         /* Set fragment threshold */
 338         FragmentThreshold -= (DOT_11_MAC_HEADER_SIZE + 4);
 339         pDes->FragmentThreshold = FragmentThreshold;
 340
 341         /* Set more frag bit */
 342         TargetBuffer[1] |= 0x04; /* Set more frag bit */
 343
 344         /*
 345          * Set tx rate
 346          */
 347         stmp = *(u16 *)(TargetBuffer+30); /* 2n alignment address */
 348
 349         /* Use basic rate */
 350         ctmp1 = ctmpf = CURRENT_TX_RATE_FOR_MNG;
 351
 352         pDes->TxRate = ctmp1;
 353         #ifdef _PE_TX_DUMP_
 354         printk("Tx rate =%x\n", ctmp1);
 355         #endif
 356
 357         pT01->T01_modulation_type = (ctmp1%3) ? 0 : 1;
 358
 359         for (i = 0; i < 2; i++) {
 360                 if (i == 1)
 361                         ctmp1 = ctmpf;
 362
 363                 pMds->TxRate[pDes->Descriptor_ID][i] = ctmp1; /* backup the ta rate and fall back rate */
 364
 365                 if (ctmp1 == 108)
 366                         ctmp2 = 7;
 367                 else if (ctmp1 == 96)
 368                         ctmp2 = 6; /* Rate convert for USB */
 369                 else if (ctmp1 == 72)
 370                         ctmp2 = 5;
 371                 else if (ctmp1 == 48)
 372                         ctmp2 = 4;
 373                 else if (ctmp1 == 36)
 374                         ctmp2 = 3;
 375                 else if (ctmp1 == 24)
 376                         ctmp2 = 2;
 377                 else if (ctmp1 == 18)
 378                         ctmp2 = 1;
 379                 else if (ctmp1 == 12)
 380                         ctmp2 = 0;
 381                 else if (ctmp1 == 22)
 382                         ctmp2 = 3;
 383                 else if (ctmp1 == 11)
 384                         ctmp2 = 2;
 385                 else if (ctmp1 == 4)
 386                         ctmp2 = 1;
 387                 else
 388                         ctmp2 = 0; /* if( ctmp1 == 2  ) or default */
 389
 390                 if (i == 0)
 391                         pT01->T01_transmit_rate = ctmp2;
 392                 else
 393                         pT01->T01_fall_back_rate = ctmp2;
 394         }
 395
 396         /*
 397          * Set preamble type
 398          */
 399         if ((pT01->T01_modulation_type == 0) && (pT01->T01_transmit_rate == 0)) /* RATE_1M */
 400                 pDes->PreambleMode =  WLAN_PREAMBLE_TYPE_LONG;
 401         else
 402                 pDes->PreambleMode =  CURRENT_PREAMBLE_MODE;
 403         pT01->T01_plcp_header_length = pDes->PreambleMode;      /* Set preamble */
 404
 405 }
 406
 407 void
 408 Mds_Tx(struct wbsoft_priv *adapter)
 409 {
 410         struct hw_data *pHwData = &adapter->sHwData;
 411         struct wb35_mds *pMds = &adapter->Mds;
 412         struct wb35_descriptor  TxDes;
 413         struct wb35_descriptor *pTxDes = &TxDes;
 414         u8              *XmitBufAddress;
 415         u16             XmitBufSize, PacketSize, stmp, CurrentSize, FragmentThreshold;
 416         u8              FillIndex, TxDesIndex, FragmentCount, FillCount;
 417         unsigned char   BufferFilled = false;
 418
 419
 420         if (pMds->TxPause)
 421                 return;
 422         if (!hal_driver_init_OK(pHwData))
 423                 return;
 424
 425         /* Only one thread can be run here */
 426         if (atomic_inc_return(&pMds->TxThreadCount) != 1)
 427                 goto cleanup;
 428
 429         /* Start to fill the data */
 430         do {
 431                 FillIndex = pMds->TxFillIndex;
 432                 if (pMds->TxOwner[FillIndex]) { /* Is owned by software 0:Yes 1:No */
 433 #ifdef _PE_TX_DUMP_
 434                         printk("[Mds_Tx] Tx Owner is H/W.\n");
 435 #endif
 436                         break;
 437                 }
 438
 439                 XmitBufAddress = pMds->pTxBuffer + (MAX_USB_TX_BUFFER * FillIndex); /* Get buffer */
 440                 XmitBufSize = 0;
 441                 FillCount = 0;
 442                 do {
 443                         PacketSize = adapter->sMlmeFrame.len;
 444                         if (!PacketSize)
 445                                 break;
 446
 447                         /* For Check the buffer resource */
 448                         FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD;
 449                         /* 931130.5.b */
 450                         FragmentCount = PacketSize/FragmentThreshold + 1;
 451                         stmp = PacketSize + FragmentCount*32 + 8; /* 931130.5.c 8:MIC */
 452                         if ((XmitBufSize + stmp) >= MAX_USB_TX_BUFFER) {
 453                                 printk("[Mds_Tx] Excess max tx buffer.\n");
 454                                 break; /* buffer is not enough */
 455                         }
 456
 457
 458                         /*
 459                          * Start transmitting
 460                          */
 461                         BufferFilled = true;
 462
 463                         /* Leaves first u8 intact */
 464                         memset((u8 *)pTxDes + 1, 0, sizeof(struct wb35_descriptor) - 1);
 465
 466                         TxDesIndex = pMds->TxDesIndex; /* Get the current ID */
 467                         pTxDes->Descriptor_ID = TxDesIndex;
 468                         pMds->TxDesFrom[TxDesIndex] = 2; /* Storing the information of source comming from */
 469                         pMds->TxDesIndex++;
 470                         pMds->TxDesIndex %= MAX_USB_TX_DESCRIPTOR;
 471
 472                         MLME_GetNextPacket(adapter, pTxDes);
 473
 474                         /* Copy header. 8byte USB + 24byte 802.11Hdr. Set TxRate, Preamble type */
 475                         Mds_HeaderCopy(adapter, pTxDes, XmitBufAddress);
 476
 477                         /* For speed up Key setting */
 478                         if (pTxDes->EapFix) {
 479 #ifdef _PE_TX_DUMP_
 480                                 printk("35: EPA 4th frame detected. Size = %d\n", PacketSize);
 481 #endif
 482                                 pHwData->IsKeyPreSet = 1;
 483                         }
 484
 485                         /* Copy (fragment) frame body, and set USB, 802.11 hdr flag */
 486                         CurrentSize = Mds_BodyCopy(adapter, pTxDes, XmitBufAddress);
 487
 488                         /* Set RTS/CTS and Normal duration field into buffer */
 489                         Mds_DurationSet(adapter, pTxDes, XmitBufAddress);
 490
 491                         /* Shift to the next address */
 492                         XmitBufSize += CurrentSize;
 493                         XmitBufAddress += CurrentSize;
 494
 495 #ifdef _IBSS_BEACON_SEQ_STICK_
 496                         if ((XmitBufAddress[DOT_11_DA_OFFSET+8] & 0xfc) != MAC_SUBTYPE_MNGMNT_PROBE_REQUEST) /* +8 for USB hdr */
 497 #endif
 498                                 pMds->TxToggle = true;
 499
 500                         /* Get packet to transmit completed, 1:TESTSTA 2:MLME 3: Ndis data */
 501                         MLME_SendComplete(adapter, 0, true);
 502
 503                         /* Software TSC count 20060214 */
 504                         pMds->TxTsc++;
 505                         if (pMds->TxTsc == 0)
 506                                 pMds->TxTsc_2++;
 507
 508                         FillCount++; /* 20060928 */
 509                 } while (HAL_USB_MODE_BURST(pHwData)); /* End of multiple MSDU copy loop. false = single true = multiple sending  */
 510
 511                 /* Move to the next one, if necessary */
 512                 if (BufferFilled) {
 513                         /* size setting */
 514                         pMds->TxBufferSize[FillIndex] = XmitBufSize;
 515
 516                         /* 20060928 set Tx count */
 517                         pMds->TxCountInBuffer[FillIndex] = FillCount;
 518
 519                         /* Set owner flag */
 520                         pMds->TxOwner[FillIndex] = 1;
 521
 522                         pMds->TxFillIndex++;
 523                         pMds->TxFillIndex %= MAX_USB_TX_BUFFER_NUMBER;
 524                         BufferFilled = false;
 525                 } else
 526                         break;
 527
 528                 if (!PacketSize) /* No more pk for transmitting */
 529                         break;
 530
 531         } while (true);
 532
 533         /*
 534          * Start to send by lower module
 535          */
 536         if (!pHwData->IsKeyPreSet)
 537                 Wb35Tx_start(adapter);
 538
 539 cleanup:
 540                 atomic_dec(&pMds->TxThreadCount);
 541 }
 542
 543 void
 544 Mds_SendComplete(struct wbsoft_priv *adapter, struct T02_descriptor *pT02)
 545 {
 546         struct wb35_mds *pMds = &adapter->Mds;
 547         struct hw_data *pHwData = &adapter->sHwData;
 548         u8      PacketId = (u8)pT02->T02_Tx_PktID;
 549         unsigned char   SendOK = true;
 550         u8      RetryCount, TxRate;
 551
 552         if (pT02->T02_IgnoreResult) /* Don't care the result */
 553                 return;
 554         if (pT02->T02_IsLastMpdu) {
 555                 /* TODO: DTO -- get the retry count and fragment count */
 556                 /* Tx rate */
 557                 TxRate = pMds->TxRate[PacketId][0];
 558                 RetryCount = (u8)pT02->T02_MPDU_Cnt;
 559                 if (pT02->value & FLAG_ERROR_TX_MASK) {
 560                         SendOK = false;
 561
 562                         if (pT02->T02_transmit_abort || pT02->T02_out_of_MaxTxMSDULiftTime) {
 563                                 /* retry error */
 564                                 pHwData->dto_tx_retry_count += (RetryCount+1);
 565                                 /* [for tx debug] */
 566                                 if (RetryCount < 7)
 567                                         pHwData->tx_retry_count[RetryCount] += RetryCount;
 568                                 else
 569                                         pHwData->tx_retry_count[7] += RetryCount;
 570                                 #ifdef _PE_STATE_DUMP_
 571                                 printk("dto_tx_retry_count =%d\n", pHwData->dto_tx_retry_count);
 572                                 #endif
 573                                 MTO_SetTxCount(adapter, TxRate, RetryCount);
 574                         }
 575                         pHwData->dto_tx_frag_count += (RetryCount+1);
 576
 577                         /* [for tx debug] */
 578                         if (pT02->T02_transmit_abort_due_to_TBTT)
 579                                 pHwData->tx_TBTT_start_count++;
 580                         if (pT02->T02_transmit_without_encryption_due_to_wep_on_false)
 581                                 pHwData->tx_WepOn_false_count++;
 582                         if (pT02->T02_discard_due_to_null_wep_key)
 583                                 pHwData->tx_Null_key_count++;
 584                 } else {
 585                         if (pT02->T02_effective_transmission_rate)
 586                                 pHwData->tx_ETR_count++;
 587                         MTO_SetTxCount(adapter, TxRate, RetryCount);
 588                 }
 589
 590                 /* Clear send result buffer */
 591                 pMds->TxResult[PacketId] = 0;
 592         } else
 593                 pMds->TxResult[PacketId] |= ((u16)(pT02->value & 0x0ffff));
 594 }