drivers/staging/rt2860/common/cmm_mac_usb.c

   1 /*
   2  *************************************************************************
   3  * Ralink Tech Inc.
   4  * 5F., No.36, Taiyuan St., Jhubei City,
   5  * Hsinchu County 302,
   6  * Taiwan, R.O.C.
   7  *
   8  * (c) Copyright 2002-2007, Ralink Technology, Inc.
   9  *
  10  * This program is free software; you can redistribute it and/or modify  *
  11  * it under the terms of the GNU General Public License as published by  *
  12  * the Free Software Foundation; either version 2 of the License, or     *
  13  * (at your option) any later version.                                   *
  14  *                                                                       *
  15  * This program is distributed in the hope that it will be useful,       *
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  18  * GNU General Public License for more details.                          *
  19  *                                                                       *
  20  * You should have received a copy of the GNU General Public License     *
  21  * along with this program; if not, write to the                         *
  22  * Free Software Foundation, Inc.,                                       *
  23  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  24  *                                                                       *
  25  *************************************************************************
  26 */
  27
  28 #ifdef RTMP_MAC_USB
  29
  30 #include        "../rt_config.h"
  31
  32 /*
  33 ========================================================================
  34 Routine Description:
  35     Initialize receive data structures.
  36
  37 Arguments:
  38     pAd                                 Pointer to our adapter
  39
  40 Return Value:
  41         NDIS_STATUS_SUCCESS
  42         NDIS_STATUS_RESOURCES
  43
  44 Note:
  45         Initialize all receive releated private buffer, include those define
  46         in RTMP_ADAPTER structure and all private data structures. The mahor
  47         work is to allocate buffer for each packet and chain buffer to
  48         NDIS packet descriptor.
  49 ========================================================================
  50 */
  51 NDIS_STATUS NICInitRecv(IN PRTMP_ADAPTER pAd)
  52 {
  53         UCHAR i;
  54         NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
  55         POS_COOKIE pObj = (POS_COOKIE) pAd->OS_Cookie;
  56
  57         DBGPRINT(RT_DEBUG_TRACE, ("--> NICInitRecv\n"));
  58         pObj = pObj;
  59
  60         //InterlockedExchange(&pAd->PendingRx, 0);
  61         pAd->PendingRx = 0;
  62         pAd->NextRxBulkInReadIndex = 0; // Next Rx Read index
  63         pAd->NextRxBulkInIndex = 0;     //RX_RING_SIZE -1; // Rx Bulk pointer
  64         pAd->NextRxBulkInPosition = 0;
  65
  66         for (i = 0; i < (RX_RING_SIZE); i++) {
  67                 PRX_CONTEXT pRxContext = &(pAd->RxContext[i]);
  68
  69                 //Allocate URB
  70                 pRxContext->pUrb = RTUSB_ALLOC_URB(0);
  71                 if (pRxContext->pUrb == NULL) {
  72                         Status = NDIS_STATUS_RESOURCES;
  73                         goto out1;
  74                 }
  75                 // Allocate transfer buffer
  76                 pRxContext->TransferBuffer =
  77                     RTUSB_URB_ALLOC_BUFFER(pObj->pUsb_Dev, MAX_RXBULK_SIZE,
  78                                            &pRxContext->data_dma);
  79                 if (pRxContext->TransferBuffer == NULL) {
  80                         Status = NDIS_STATUS_RESOURCES;
  81                         goto out1;
  82                 }
  83
  84                 NdisZeroMemory(pRxContext->TransferBuffer, MAX_RXBULK_SIZE);
  85
  86                 pRxContext->pAd = pAd;
  87                 pRxContext->pIrp = NULL;
  88                 pRxContext->InUse = FALSE;
  89                 pRxContext->IRPPending = FALSE;
  90                 pRxContext->Readable = FALSE;
  91                 //pRxContext->ReorderInUse = FALSE;
  92                 pRxContext->bRxHandling = FALSE;
  93                 pRxContext->BulkInOffset = 0;
  94         }
  95
  96         DBGPRINT(RT_DEBUG_TRACE, ("<-- NICInitRecv(Status=%d)\n", Status));
  97         return Status;
  98
  99 out1:
 100         for (i = 0; i < (RX_RING_SIZE); i++) {
 101                 PRX_CONTEXT pRxContext = &(pAd->RxContext[i]);
 102
 103                 if (NULL != pRxContext->TransferBuffer) {
 104                         RTUSB_URB_FREE_BUFFER(pObj->pUsb_Dev, MAX_RXBULK_SIZE,
 105                                               pRxContext->TransferBuffer,
 106                                               pRxContext->data_dma);
 107                         pRxContext->TransferBuffer = NULL;
 108                 }
 109
 110                 if (NULL != pRxContext->pUrb) {
 111                         RTUSB_UNLINK_URB(pRxContext->pUrb);
 112                         RTUSB_FREE_URB(pRxContext->pUrb);
 113                         pRxContext->pUrb = NULL;
 114                 }
 115         }
 116
 117         return Status;
 118 }
 119
 120 /*
 121 ========================================================================
 122 Routine Description:
 123     Initialize transmit data structures.
 124
 125 Arguments:
 126     pAd                                 Pointer to our adapter
 127
 128 Return Value:
 129         NDIS_STATUS_SUCCESS
 130         NDIS_STATUS_RESOURCES
 131
 132 Note:
 133 ========================================================================
 134 */
 135 NDIS_STATUS NICInitTransmit(IN PRTMP_ADAPTER pAd)
 136 {
 137 #define LM_USB_ALLOC(pObj, Context, TB_Type, BufferSize, Status, msg1, err1, msg2, err2)        \
 138         Context->pUrb = RTUSB_ALLOC_URB(0);             \
 139         if (Context->pUrb == NULL) {                    \
 140                 DBGPRINT(RT_DEBUG_ERROR, msg1);         \
 141                 Status = NDIS_STATUS_RESOURCES;         \
 142                 goto err1; }                                            \
 143                                                                                         \
 144         Context->TransferBuffer =                               \
 145                 (TB_Type)RTUSB_URB_ALLOC_BUFFER(pObj->pUsb_Dev, BufferSize, &Context->data_dma);        \
 146         if (Context->TransferBuffer == NULL) {  \
 147                 DBGPRINT(RT_DEBUG_ERROR, msg2);         \
 148                 Status = NDIS_STATUS_RESOURCES;         \
 149                 goto err2; }
 150
 151 #define LM_URB_FREE(pObj, Context, BufferSize)                          \
 152         if (NULL != Context->pUrb) {                                                    \
 153                 RTUSB_UNLINK_URB(Context->pUrb);                                        \
 154                 RTUSB_FREE_URB(Context->pUrb);                                          \
 155                 Context->pUrb = NULL; }                                                         \
 156         if (NULL != Context->TransferBuffer) {                          \
 157                 RTUSB_URB_FREE_BUFFER(pObj->pUsb_Dev, BufferSize,       \
 158                                                                 Context->TransferBuffer,        \
 159                                                                 Context->data_dma);                     \
 160                 Context->TransferBuffer = NULL; }
 161
 162         UCHAR i, acidx;
 163         NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
 164         PTX_CONTEXT pNullContext = &(pAd->NullContext);
 165         PTX_CONTEXT pPsPollContext = &(pAd->PsPollContext);
 166         PTX_CONTEXT pRTSContext = &(pAd->RTSContext);
 167         PTX_CONTEXT pMLMEContext = NULL;
 168 //      PHT_TX_CONTEXT  pHTTXContext = NULL;
 169         POS_COOKIE pObj = (POS_COOKIE) pAd->OS_Cookie;
 170         PVOID RingBaseVa;
 171 //      RTMP_TX_RING    *pTxRing;
 172         RTMP_MGMT_RING *pMgmtRing;
 173
 174         DBGPRINT(RT_DEBUG_TRACE, ("--> NICInitTransmit\n"));
 175         pObj = pObj;
 176
 177         // Init 4 set of Tx parameters
 178         for (acidx = 0; acidx < NUM_OF_TX_RING; acidx++) {
 179                 // Initialize all Transmit releated queues
 180                 InitializeQueueHeader(&pAd->TxSwQueue[acidx]);
 181
 182                 // Next Local tx ring pointer waiting for buck out
 183                 pAd->NextBulkOutIndex[acidx] = acidx;
 184                 pAd->BulkOutPending[acidx] = FALSE;     // Buck Out control flag
 185                 //pAd->DataBulkDoneIdx[acidx] = 0;
 186         }
 187
 188         //pAd->NextMLMEIndex    = 0;
 189         //pAd->PushMgmtIndex    = 0;
 190         //pAd->PopMgmtIndex     = 0;
 191         //InterlockedExchange(&pAd->MgmtQueueSize, 0);
 192         //InterlockedExchange(&pAd->TxCount, 0);
 193
 194         //pAd->PrioRingFirstIndex       = 0;
 195         //pAd->PrioRingTxCnt            = 0;
 196
 197         do {
 198                 //
 199                 // TX_RING_SIZE, 4 ACs
 200                 //
 201                 for (acidx = 0; acidx < 4; acidx++) {
 202                         PHT_TX_CONTEXT pHTTXContext = &(pAd->TxContext[acidx]);
 203
 204                         NdisZeroMemory(pHTTXContext, sizeof(HT_TX_CONTEXT));
 205                         //Allocate URB
 206                         LM_USB_ALLOC(pObj, pHTTXContext, PHTTX_BUFFER,
 207                                      sizeof(HTTX_BUFFER), Status,
 208                                      ("<-- ERROR in Alloc TX TxContext[%d] urb!! \n",
 209                                       acidx), done,
 210                                      ("<-- ERROR in Alloc TX TxContext[%d] HTTX_BUFFER !! \n",
 211                                       acidx), out1);
 212
 213                         NdisZeroMemory(pHTTXContext->TransferBuffer->
 214                                        Aggregation, 4);
 215                         pHTTXContext->pAd = pAd;
 216                         pHTTXContext->pIrp = NULL;
 217                         pHTTXContext->IRPPending = FALSE;
 218                         pHTTXContext->NextBulkOutPosition = 0;
 219                         pHTTXContext->ENextBulkOutPosition = 0;
 220                         pHTTXContext->CurWritePosition = 0;
 221                         pHTTXContext->CurWriteRealPos = 0;
 222                         pHTTXContext->BulkOutSize = 0;
 223                         pHTTXContext->BulkOutPipeId = acidx;
 224                         pHTTXContext->bRingEmpty = TRUE;
 225                         pHTTXContext->bCopySavePad = FALSE;
 226                         pAd->BulkOutPending[acidx] = FALSE;
 227                 }
 228
 229                 //
 230                 // MGMT_RING_SIZE
 231                 //
 232
 233                 // Allocate MGMT ring descriptor's memory
 234                 pAd->MgmtDescRing.AllocSize =
 235                     MGMT_RING_SIZE * sizeof(TX_CONTEXT);
 236                 os_alloc_mem(pAd, (PUCHAR *) (&pAd->MgmtDescRing.AllocVa),
 237                              pAd->MgmtDescRing.AllocSize);
 238                 if (pAd->MgmtDescRing.AllocVa == NULL) {
 239                         DBGPRINT_ERR(("Failed to allocate a big buffer for MgmtDescRing!\n"));
 240                         Status = NDIS_STATUS_RESOURCES;
 241                         goto out1;
 242                 }
 243                 NdisZeroMemory(pAd->MgmtDescRing.AllocVa,
 244                                pAd->MgmtDescRing.AllocSize);
 245                 RingBaseVa = pAd->MgmtDescRing.AllocVa;
 246
 247                 // Initialize MGMT Ring and associated buffer memory
 248                 pMgmtRing = &pAd->MgmtRing;
 249                 for (i = 0; i < MGMT_RING_SIZE; i++) {
 250                         // link the pre-allocated Mgmt buffer to MgmtRing.Cell
 251                         pMgmtRing->Cell[i].AllocSize = sizeof(TX_CONTEXT);
 252                         pMgmtRing->Cell[i].AllocVa = RingBaseVa;
 253                         pMgmtRing->Cell[i].pNdisPacket = NULL;
 254                         pMgmtRing->Cell[i].pNextNdisPacket = NULL;
 255
 256                         //Allocate URB for MLMEContext
 257                         pMLMEContext =
 258                             (PTX_CONTEXT) pAd->MgmtRing.Cell[i].AllocVa;
 259                         pMLMEContext->pUrb = RTUSB_ALLOC_URB(0);
 260                         if (pMLMEContext->pUrb == NULL) {
 261                                 DBGPRINT(RT_DEBUG_ERROR,
 262                                          ("<-- ERROR in Alloc TX MLMEContext[%d] urb!! \n",
 263                                           i));
 264                                 Status = NDIS_STATUS_RESOURCES;
 265                                 goto out2;
 266                         }
 267                         pMLMEContext->pAd = pAd;
 268                         pMLMEContext->pIrp = NULL;
 269                         pMLMEContext->TransferBuffer = NULL;
 270                         pMLMEContext->InUse = FALSE;
 271                         pMLMEContext->IRPPending = FALSE;
 272                         pMLMEContext->bWaitingBulkOut = FALSE;
 273                         pMLMEContext->BulkOutSize = 0;
 274                         pMLMEContext->SelfIdx = i;
 275
 276                         // Offset to next ring descriptor address
 277                         RingBaseVa = (PUCHAR) RingBaseVa + sizeof(TX_CONTEXT);
 278                 }
 279                 DBGPRINT(RT_DEBUG_TRACE,
 280                          ("MGMT Ring: total %d entry allocated\n", i));
 281
 282                 //pAd->MgmtRing.TxSwFreeIdx = (MGMT_RING_SIZE - 1);
 283                 pAd->MgmtRing.TxSwFreeIdx = MGMT_RING_SIZE;
 284                 pAd->MgmtRing.TxCpuIdx = 0;
 285                 pAd->MgmtRing.TxDmaIdx = 0;
 286
 287                 //
 288                 // BEACON_RING_SIZE
 289                 //
 290                 for (i = 0; i < BEACON_RING_SIZE; i++)  // 2
 291                 {
 292                         PTX_CONTEXT pBeaconContext = &(pAd->BeaconContext[i]);
 293
 294                         NdisZeroMemory(pBeaconContext, sizeof(TX_CONTEXT));
 295
 296                         //Allocate URB
 297                         LM_USB_ALLOC(pObj, pBeaconContext, PTX_BUFFER,
 298                                      sizeof(TX_BUFFER), Status,
 299                                      ("<-- ERROR in Alloc TX BeaconContext[%d] urb!! \n",
 300                                       i), out2,
 301                                      ("<-- ERROR in Alloc TX BeaconContext[%d] TX_BUFFER !! \n",
 302                                       i), out3);
 303
 304                         pBeaconContext->pAd = pAd;
 305                         pBeaconContext->pIrp = NULL;
 306                         pBeaconContext->InUse = FALSE;
 307                         pBeaconContext->IRPPending = FALSE;
 308                 }
 309
 310                 //
 311                 // NullContext
 312                 //
 313                 NdisZeroMemory(pNullContext, sizeof(TX_CONTEXT));
 314
 315                 //Allocate URB
 316                 LM_USB_ALLOC(pObj, pNullContext, PTX_BUFFER, sizeof(TX_BUFFER),
 317                              Status,
 318                              ("<-- ERROR in Alloc TX NullContext urb!! \n"),
 319                              out3,
 320                              ("<-- ERROR in Alloc TX NullContext TX_BUFFER !! \n"),
 321                              out4);
 322
 323                 pNullContext->pAd = pAd;
 324                 pNullContext->pIrp = NULL;
 325                 pNullContext->InUse = FALSE;
 326                 pNullContext->IRPPending = FALSE;
 327
 328                 //
 329                 // RTSContext
 330                 //
 331                 NdisZeroMemory(pRTSContext, sizeof(TX_CONTEXT));
 332
 333                 //Allocate URB
 334                 LM_USB_ALLOC(pObj, pRTSContext, PTX_BUFFER, sizeof(TX_BUFFER),
 335                              Status,
 336                              ("<-- ERROR in Alloc TX RTSContext urb!! \n"),
 337                              out4,
 338                              ("<-- ERROR in Alloc TX RTSContext TX_BUFFER !! \n"),
 339                              out5);
 340
 341                 pRTSContext->pAd = pAd;
 342                 pRTSContext->pIrp = NULL;
 343                 pRTSContext->InUse = FALSE;
 344                 pRTSContext->IRPPending = FALSE;
 345
 346                 //
 347                 // PsPollContext
 348                 //
 349                 //NdisZeroMemory(pPsPollContext, sizeof(TX_CONTEXT));
 350                 //Allocate URB
 351                 LM_USB_ALLOC(pObj, pPsPollContext, PTX_BUFFER,
 352                              sizeof(TX_BUFFER), Status,
 353                              ("<-- ERROR in Alloc TX PsPollContext urb!! \n"),
 354                              out5,
 355                              ("<-- ERROR in Alloc TX PsPollContext TX_BUFFER !! \n"),
 356                              out6);
 357
 358                 pPsPollContext->pAd = pAd;
 359                 pPsPollContext->pIrp = NULL;
 360                 pPsPollContext->InUse = FALSE;
 361                 pPsPollContext->IRPPending = FALSE;
 362                 pPsPollContext->bAggregatible = FALSE;
 363                 pPsPollContext->LastOne = TRUE;
 364
 365         } while (FALSE);
 366
 367 done:
 368         DBGPRINT(RT_DEBUG_TRACE, ("<-- NICInitTransmit(Status=%d)\n", Status));
 369
 370         return Status;
 371
 372         /* --------------------------- ERROR HANDLE --------------------------- */
 373 out6:
 374         LM_URB_FREE(pObj, pPsPollContext, sizeof(TX_BUFFER));
 375
 376 out5:
 377         LM_URB_FREE(pObj, pRTSContext, sizeof(TX_BUFFER));
 378
 379 out4:
 380         LM_URB_FREE(pObj, pNullContext, sizeof(TX_BUFFER));
 381
 382 out3:
 383         for (i = 0; i < BEACON_RING_SIZE; i++) {
 384                 PTX_CONTEXT pBeaconContext = &(pAd->BeaconContext[i]);
 385                 if (pBeaconContext)
 386                         LM_URB_FREE(pObj, pBeaconContext, sizeof(TX_BUFFER));
 387         }
 388
 389 out2:
 390         if (pAd->MgmtDescRing.AllocVa) {
 391                 pMgmtRing = &pAd->MgmtRing;
 392                 for (i = 0; i < MGMT_RING_SIZE; i++) {
 393                         pMLMEContext =
 394                             (PTX_CONTEXT) pAd->MgmtRing.Cell[i].AllocVa;
 395                         if (pMLMEContext)
 396                                 LM_URB_FREE(pObj, pMLMEContext,
 397                                             sizeof(TX_BUFFER));
 398                 }
 399                 os_free_mem(pAd, pAd->MgmtDescRing.AllocVa);
 400                 pAd->MgmtDescRing.AllocVa = NULL;
 401         }
 402
 403 out1:
 404         for (acidx = 0; acidx < 4; acidx++) {
 405                 PHT_TX_CONTEXT pTxContext = &(pAd->TxContext[acidx]);
 406                 if (pTxContext)
 407                         LM_URB_FREE(pObj, pTxContext, sizeof(HTTX_BUFFER));
 408         }
 409
 410         // Here we didn't have any pre-allocated memory need to free.
 411
 412         return Status;
 413 }
 414
 415 /*
 416 ========================================================================
 417 Routine Description:
 418     Allocate DMA memory blocks for send, receive.
 419
 420 Arguments:
 421     pAd                                 Pointer to our adapter
 422
 423 Return Value:
 424         NDIS_STATUS_SUCCESS
 425         NDIS_STATUS_FAILURE
 426         NDIS_STATUS_RESOURCES
 427
 428 Note:
 429 ========================================================================
 430 */
 431 NDIS_STATUS RTMPAllocTxRxRingMemory(IN PRTMP_ADAPTER pAd)
 432 {
 433 //      COUNTER_802_11  pCounter = &pAd->WlanCounters;
 434         NDIS_STATUS Status;
 435         INT num;
 436
 437         DBGPRINT(RT_DEBUG_TRACE, ("--> RTMPAllocTxRxRingMemory\n"));
 438
 439         do {
 440                 // Init the CmdQ and CmdQLock
 441                 NdisAllocateSpinLock(&pAd->CmdQLock);
 442                 NdisAcquireSpinLock(&pAd->CmdQLock);
 443                 RTUSBInitializeCmdQ(&pAd->CmdQ);
 444                 NdisReleaseSpinLock(&pAd->CmdQLock);
 445
 446                 NdisAllocateSpinLock(&pAd->MLMEBulkOutLock);
 447                 //NdisAllocateSpinLock(&pAd->MLMEWaitQueueLock);
 448                 NdisAllocateSpinLock(&pAd->BulkOutLock[0]);
 449                 NdisAllocateSpinLock(&pAd->BulkOutLock[1]);
 450                 NdisAllocateSpinLock(&pAd->BulkOutLock[2]);
 451                 NdisAllocateSpinLock(&pAd->BulkOutLock[3]);
 452                 NdisAllocateSpinLock(&pAd->BulkOutLock[4]);
 453                 NdisAllocateSpinLock(&pAd->BulkOutLock[5]);
 454                 NdisAllocateSpinLock(&pAd->BulkInLock);
 455
 456                 for (num = 0; num < NUM_OF_TX_RING; num++) {
 457                         NdisAllocateSpinLock(&pAd->TxContextQueueLock[num]);
 458                 }
 459
 460 //              NdisAllocateSpinLock(&pAd->MemLock);    // Not used in RT28XX
 461
 462 //              NdisAllocateSpinLock(&pAd->MacTabLock); // init it in UserCfgInit()
 463 //              NdisAllocateSpinLock(&pAd->BATabLock); // init it in BATableInit()
 464
 465 //              for(num=0; num<MAX_LEN_OF_BA_REC_TABLE; num++)
 466 //              {
 467 //                      NdisAllocateSpinLock(&pAd->BATable.BARecEntry[num].RxReRingLock);
 468 //              }
 469
 470                 //
 471                 // Init Mac Table
 472                 //
 473 //              MacTableInitialize(pAd);
 474
 475                 //
 476                 // Init send data structures and related parameters
 477                 //
 478                 Status = NICInitTransmit(pAd);
 479                 if (Status != NDIS_STATUS_SUCCESS)
 480                         break;
 481
 482                 //
 483                 // Init receive data structures and related parameters
 484                 //
 485                 Status = NICInitRecv(pAd);
 486                 if (Status != NDIS_STATUS_SUCCESS)
 487                         break;
 488
 489                 pAd->PendingIoCount = 1;
 490
 491         } while (FALSE);
 492
 493         NdisZeroMemory(&pAd->FragFrame, sizeof(FRAGMENT_FRAME));
 494         pAd->FragFrame.pFragPacket =
 495             RTMP_AllocateFragPacketBuffer(pAd, RX_BUFFER_NORMSIZE);
 496
 497         if (pAd->FragFrame.pFragPacket == NULL) {
 498                 Status = NDIS_STATUS_RESOURCES;
 499         }
 500
 501         DBGPRINT_S(Status,
 502                    ("<-- RTMPAllocTxRxRingMemory, Status=%x\n", Status));
 503         return Status;
 504 }
 505
 506 /*
 507 ========================================================================
 508 Routine Description:
 509         Calls USB_InterfaceStop and frees memory allocated for the URBs
 510     calls NdisMDeregisterDevice and frees the memory
 511     allocated in VNetInitialize for the Adapter Object
 512
 513 Arguments:
 514         *pAd                            the raxx interface data pointer
 515
 516 Return Value:
 517         None
 518
 519 Note:
 520 ========================================================================
 521 */
 522 VOID RTMPFreeTxRxRingMemory(IN PRTMP_ADAPTER pAd)
 523 {
 524 #define LM_URB_FREE(pObj, Context, BufferSize)                          \
 525         if (NULL != Context->pUrb) {                                                    \
 526                 RTUSB_UNLINK_URB(Context->pUrb);                                        \
 527                 RTUSB_FREE_URB(Context->pUrb);                                          \
 528                 Context->pUrb = NULL; }                                                         \
 529         if (NULL != Context->TransferBuffer) {                                  \
 530                 RTUSB_URB_FREE_BUFFER(pObj->pUsb_Dev, BufferSize,       \
 531                                                                 Context->TransferBuffer,        \
 532                                                                 Context->data_dma);                     \
 533                 Context->TransferBuffer = NULL; }
 534
 535         UINT i, acidx;
 536         PTX_CONTEXT pNullContext = &pAd->NullContext;
 537         PTX_CONTEXT pPsPollContext = &pAd->PsPollContext;
 538         PTX_CONTEXT pRTSContext = &pAd->RTSContext;
 539 //      PHT_TX_CONTEXT          pHTTXContext;
 540         //PRTMP_REORDERBUF      pReorderBuf;
 541         POS_COOKIE pObj = (POS_COOKIE) pAd->OS_Cookie;
 542 //      RTMP_TX_RING            *pTxRing;
 543
 544         DBGPRINT(RT_DEBUG_ERROR, ("---> RTMPFreeTxRxRingMemory\n"));
 545         pObj = pObj;
 546
 547         // Free all resources for the RECEIVE buffer queue.
 548         for (i = 0; i < (RX_RING_SIZE); i++) {
 549                 PRX_CONTEXT pRxContext = &(pAd->RxContext[i]);
 550                 if (pRxContext)
 551                         LM_URB_FREE(pObj, pRxContext, MAX_RXBULK_SIZE);
 552         }
 553
 554         // Free PsPoll frame resource
 555         LM_URB_FREE(pObj, pPsPollContext, sizeof(TX_BUFFER));
 556
 557         // Free NULL frame resource
 558         LM_URB_FREE(pObj, pNullContext, sizeof(TX_BUFFER));
 559
 560         // Free RTS frame resource
 561         LM_URB_FREE(pObj, pRTSContext, sizeof(TX_BUFFER));
 562
 563         // Free beacon frame resource
 564         for (i = 0; i < BEACON_RING_SIZE; i++) {
 565                 PTX_CONTEXT pBeaconContext = &(pAd->BeaconContext[i]);
 566                 if (pBeaconContext)
 567                         LM_URB_FREE(pObj, pBeaconContext, sizeof(TX_BUFFER));
 568         }
 569
 570         // Free mgmt frame resource
 571         for (i = 0; i < MGMT_RING_SIZE; i++) {
 572                 PTX_CONTEXT pMLMEContext =
 573                     (PTX_CONTEXT) pAd->MgmtRing.Cell[i].AllocVa;
 574                 //LM_URB_FREE(pObj, pMLMEContext, sizeof(TX_BUFFER));
 575                 if (NULL != pAd->MgmtRing.Cell[i].pNdisPacket) {
 576                         RTMPFreeNdisPacket(pAd,
 577                                            pAd->MgmtRing.Cell[i].pNdisPacket);
 578                         pAd->MgmtRing.Cell[i].pNdisPacket = NULL;
 579                         pMLMEContext->TransferBuffer = NULL;
 580                 }
 581
 582                 if (pMLMEContext) {
 583                         if (NULL != pMLMEContext->pUrb) {
 584                                 RTUSB_UNLINK_URB(pMLMEContext->pUrb);
 585                                 RTUSB_FREE_URB(pMLMEContext->pUrb);
 586                                 pMLMEContext->pUrb = NULL;
 587                         }
 588                 }
 589         }
 590         if (pAd->MgmtDescRing.AllocVa)
 591                 os_free_mem(pAd, pAd->MgmtDescRing.AllocVa);
 592
 593         // Free Tx frame resource
 594         for (acidx = 0; acidx < 4; acidx++) {
 595                 PHT_TX_CONTEXT pHTTXContext = &(pAd->TxContext[acidx]);
 596                 if (pHTTXContext)
 597                         LM_URB_FREE(pObj, pHTTXContext, sizeof(HTTX_BUFFER));
 598         }
 599
 600         if (pAd->FragFrame.pFragPacket)
 601                 RELEASE_NDIS_PACKET(pAd, pAd->FragFrame.pFragPacket,
 602                                     NDIS_STATUS_SUCCESS);
 603
 604         for (i = 0; i < 6; i++) {
 605                 NdisFreeSpinLock(&pAd->BulkOutLock[i]);
 606         }
 607
 608         NdisFreeSpinLock(&pAd->BulkInLock);
 609         NdisFreeSpinLock(&pAd->MLMEBulkOutLock);
 610
 611         NdisFreeSpinLock(&pAd->CmdQLock);
 612         // Clear all pending bulk-out request flags.
 613         RTUSB_CLEAR_BULK_FLAG(pAd, 0xffffffff);
 614
 615 //      NdisFreeSpinLock(&pAd->MacTabLock);
 616
 617 //      for(i=0; i<MAX_LEN_OF_BA_REC_TABLE; i++)
 618 //      {
 619 //              NdisFreeSpinLock(&pAd->BATable.BARecEntry[i].RxReRingLock);
 620 //      }
 621
 622         DBGPRINT(RT_DEBUG_ERROR, ("<--- RTMPFreeTxRxRingMemory\n"));
 623 }
 624
 625 /*
 626 ========================================================================
 627 Routine Description:
 628     Write WLAN MAC address to USB 2870.
 629
 630 Arguments:
 631     pAd                                 Pointer to our adapter
 632
 633 Return Value:
 634         NDIS_STATUS_SUCCESS
 635
 636 Note:
 637 ========================================================================
 638 */
 639 NDIS_STATUS RTUSBWriteHWMACAddress(IN PRTMP_ADAPTER pAd)
 640 {
 641         MAC_DW0_STRUC StaMacReg0;
 642         MAC_DW1_STRUC StaMacReg1;
 643         NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
 644         LARGE_INTEGER NOW;
 645
 646         // initialize the random number generator
 647         RTMP_GetCurrentSystemTime(&NOW);
 648
 649         if (pAd->bLocalAdminMAC != TRUE) {
 650                 pAd->CurrentAddress[0] = pAd->PermanentAddress[0];
 651                 pAd->CurrentAddress[1] = pAd->PermanentAddress[1];
 652                 pAd->CurrentAddress[2] = pAd->PermanentAddress[2];
 653                 pAd->CurrentAddress[3] = pAd->PermanentAddress[3];
 654                 pAd->CurrentAddress[4] = pAd->PermanentAddress[4];
 655                 pAd->CurrentAddress[5] = pAd->PermanentAddress[5];
 656         }
 657         // Write New MAC address to MAC_CSR2 & MAC_CSR3 & let ASIC know our new MAC
 658         StaMacReg0.field.Byte0 = pAd->CurrentAddress[0];
 659         StaMacReg0.field.Byte1 = pAd->CurrentAddress[1];
 660         StaMacReg0.field.Byte2 = pAd->CurrentAddress[2];
 661         StaMacReg0.field.Byte3 = pAd->CurrentAddress[3];
 662         StaMacReg1.field.Byte4 = pAd->CurrentAddress[4];
 663         StaMacReg1.field.Byte5 = pAd->CurrentAddress[5];
 664         StaMacReg1.field.U2MeMask = 0xff;
 665         DBGPRINT_RAW(RT_DEBUG_TRACE,
 666                      ("Local MAC = %02x:%02x:%02x:%02x:%02x:%02x\n",
 667                       pAd->CurrentAddress[0], pAd->CurrentAddress[1],
 668                       pAd->CurrentAddress[2], pAd->CurrentAddress[3],
 669                       pAd->CurrentAddress[4], pAd->CurrentAddress[5]));
 670
 671         RTUSBWriteMACRegister(pAd, MAC_ADDR_DW0, StaMacReg0.word);
 672         RTUSBWriteMACRegister(pAd, MAC_ADDR_DW1, StaMacReg1.word);
 673         return Status;
 674 }
 675
 676 /*
 677 ========================================================================
 678 Routine Description:
 679     Disable DMA.
 680
 681 Arguments:
 682         *pAd                            the raxx interface data pointer
 683
 684 Return Value:
 685         None
 686
 687 Note:
 688 ========================================================================
 689 */
 690 VOID RT28XXDMADisable(IN RTMP_ADAPTER * pAd)
 691 {
 692         // no use
 693 }
 694
 695 /*
 696 ========================================================================
 697 Routine Description:
 698     Enable DMA.
 699
 700 Arguments:
 701         *pAd                            the raxx interface data pointer
 702
 703 Return Value:
 704         None
 705
 706 Note:
 707 ========================================================================
 708 */
 709 VOID RT28XXDMAEnable(IN RTMP_ADAPTER * pAd)
 710 {
 711         WPDMA_GLO_CFG_STRUC GloCfg;
 712         USB_DMA_CFG_STRUC UsbCfg;
 713         int i = 0;
 714
 715         RTMP_IO_WRITE32(pAd, MAC_SYS_CTRL, 0x4);
 716         do {
 717                 RTMP_IO_READ32(pAd, WPDMA_GLO_CFG, &GloCfg.word);
 718                 if ((GloCfg.field.TxDMABusy == 0)
 719                     && (GloCfg.field.RxDMABusy == 0))
 720                         break;
 721
 722                 DBGPRINT(RT_DEBUG_TRACE, ("==>  DMABusy\n"));
 723                 RTMPusecDelay(1000);
 724                 i++;
 725         } while (i < 200);
 726
 727         RTMPusecDelay(50);
 728         GloCfg.field.EnTXWriteBackDDONE = 1;
 729         GloCfg.field.EnableRxDMA = 1;
 730         GloCfg.field.EnableTxDMA = 1;
 731         DBGPRINT(RT_DEBUG_TRACE,
 732                  ("<== WRITE DMA offset 0x208 = 0x%x\n", GloCfg.word));
 733         RTMP_IO_WRITE32(pAd, WPDMA_GLO_CFG, GloCfg.word);
 734
 735         UsbCfg.word = 0;
 736         UsbCfg.field.phyclear = 0;
 737         /* usb version is 1.1,do not use bulk in aggregation */
 738         if (pAd->BulkInMaxPacketSize == 512)
 739                 UsbCfg.field.RxBulkAggEn = 1;
 740         /* for last packet, PBF might use more than limited, so minus 2 to prevent from error */
 741         UsbCfg.field.RxBulkAggLmt = (MAX_RXBULK_SIZE / 1024) - 3;
 742         UsbCfg.field.RxBulkAggTOut = 0x80;      /* 2006-10-18 */
 743         UsbCfg.field.RxBulkEn = 1;
 744         UsbCfg.field.TxBulkEn = 1;
 745
 746         RTUSBWriteMACRegister(pAd, USB_DMA_CFG, UsbCfg.word);
 747
 748 }
 749
 750 /********************************************************************
 751   *
 752   *     2870 Beacon Update Related functions.
 753   *
 754   ********************************************************************/
 755
 756 /*
 757 ========================================================================
 758 Routine Description:
 759     Write Beacon buffer to Asic.
 760
 761 Arguments:
 762         *pAd                            the raxx interface data pointer
 763
 764 Return Value:
 765         None
 766
 767 Note:
 768 ========================================================================
 769 */
 770 VOID RT28xx_UpdateBeaconToAsic(IN RTMP_ADAPTER * pAd,
 771                                IN INT apidx,
 772                                IN ULONG FrameLen, IN ULONG UpdatePos)
 773 {
 774         PUCHAR pBeaconFrame = NULL;
 775         UCHAR *ptr;
 776         UINT i, padding;
 777         BEACON_SYNC_STRUCT *pBeaconSync = pAd->CommonCfg.pBeaconSync;
 778         UINT32 longValue;
 779 //      USHORT                  shortValue;
 780         BOOLEAN bBcnReq = FALSE;
 781         UCHAR bcn_idx = 0;
 782
 783         if (pBeaconFrame == NULL) {
 784                 DBGPRINT(RT_DEBUG_ERROR, ("pBeaconFrame is NULL!\n"));
 785                 return;
 786         }
 787
 788         if (pBeaconSync == NULL) {
 789                 DBGPRINT(RT_DEBUG_ERROR, ("pBeaconSync is NULL!\n"));
 790                 return;
 791         }
 792         //if ((pAd->WdsTab.Mode == WDS_BRIDGE_MODE) ||
 793         //      ((pAd->ApCfg.MBSSID[apidx].MSSIDDev == NULL) || !(pAd->ApCfg.MBSSID[apidx].MSSIDDev->flags & IFF_UP))
 794         //      )
 795         if (bBcnReq == FALSE) {
 796                 /* when the ra interface is down, do not send its beacon frame */
 797                 /* clear all zero */
 798                 for (i = 0; i < TXWI_SIZE; i += 4) {
 799                         RTMP_IO_WRITE32(pAd, pAd->BeaconOffset[bcn_idx] + i,
 800                                         0x00);
 801                 }
 802                 pBeaconSync->BeaconBitMap &=
 803                     (~(BEACON_BITMAP_MASK & (1 << bcn_idx)));
 804                 NdisZeroMemory(pBeaconSync->BeaconTxWI[bcn_idx], TXWI_SIZE);
 805         } else {
 806                 ptr = (PUCHAR) & pAd->BeaconTxWI;
 807                 if (NdisEqualMemory(pBeaconSync->BeaconTxWI[bcn_idx], &pAd->BeaconTxWI, TXWI_SIZE) == FALSE) {  // If BeaconTxWI changed, we need to rewrite the TxWI for the Beacon frames.
 808                         pBeaconSync->BeaconBitMap &=
 809                             (~(BEACON_BITMAP_MASK & (1 << bcn_idx)));
 810                         NdisMoveMemory(pBeaconSync->BeaconTxWI[bcn_idx],
 811                                        &pAd->BeaconTxWI, TXWI_SIZE);
 812                 }
 813
 814                 if ((pBeaconSync->BeaconBitMap & (1 << bcn_idx)) !=
 815                     (1 << bcn_idx)) {
 816                         for (i = 0; i < TXWI_SIZE; i += 4)      // 16-byte TXWI field
 817                         {
 818                                 longValue =
 819                                     *ptr + (*(ptr + 1) << 8) +
 820                                     (*(ptr + 2) << 16) + (*(ptr + 3) << 24);
 821                                 RTMP_IO_WRITE32(pAd,
 822                                                 pAd->BeaconOffset[bcn_idx] + i,
 823                                                 longValue);
 824                                 ptr += 4;
 825                         }
 826                 }
 827
 828                 ptr = pBeaconSync->BeaconBuf[bcn_idx];
 829                 padding = (FrameLen & 0x01);
 830                 NdisZeroMemory((PUCHAR) (pBeaconFrame + FrameLen), padding);
 831                 FrameLen += padding;
 832                 for (i = 0; i < FrameLen /*HW_BEACON_OFFSET */ ; i += 2) {
 833                         if (NdisEqualMemory(ptr, pBeaconFrame, 2) == FALSE) {
 834                                 NdisMoveMemory(ptr, pBeaconFrame, 2);
 835                                 //shortValue = *ptr + (*(ptr+1)<<8);
 836                                 //RTMP_IO_WRITE8(pAd, pAd->BeaconOffset[bcn_idx] + TXWI_SIZE + i, shortValue);
 837                                 RTUSBMultiWrite(pAd,
 838                                                 pAd->BeaconOffset[bcn_idx] +
 839                                                 TXWI_SIZE + i, ptr, 2);
 840                         }
 841                         ptr += 2;
 842                         pBeaconFrame += 2;
 843                 }
 844
 845                 pBeaconSync->BeaconBitMap |= (1 << bcn_idx);
 846
 847                 // For AP interface, set the DtimBitOn so that we can send Bcast/Mcast frame out after this beacon frame.
 848         }
 849
 850 }
 851
 852 VOID RTUSBBssBeaconStop(IN RTMP_ADAPTER * pAd)
 853 {
 854         BEACON_SYNC_STRUCT *pBeaconSync;
 855         int i, offset;
 856         BOOLEAN Cancelled = TRUE;
 857
 858         pBeaconSync = pAd->CommonCfg.pBeaconSync;
 859         if (pBeaconSync && pBeaconSync->EnableBeacon) {
 860                 INT NumOfBcn;
 861
 862                 {
 863                         NumOfBcn = MAX_MESH_NUM;
 864                 }
 865
 866                 RTMPCancelTimer(&pAd->CommonCfg.BeaconUpdateTimer, &Cancelled);
 867
 868                 for (i = 0; i < NumOfBcn; i++) {
 869                         NdisZeroMemory(pBeaconSync->BeaconBuf[i],
 870                                        HW_BEACON_OFFSET);
 871                         NdisZeroMemory(pBeaconSync->BeaconTxWI[i], TXWI_SIZE);
 872
 873                         for (offset = 0; offset < HW_BEACON_OFFSET; offset += 4)
 874                                 RTMP_IO_WRITE32(pAd,
 875                                                 pAd->BeaconOffset[i] + offset,
 876                                                 0x00);
 877
 878                         pBeaconSync->CapabilityInfoLocationInBeacon[i] = 0;
 879                         pBeaconSync->TimIELocationInBeacon[i] = 0;
 880                 }
 881                 pBeaconSync->BeaconBitMap = 0;
 882                 pBeaconSync->DtimBitOn = 0;
 883         }
 884 }
 885
 886 VOID RTUSBBssBeaconStart(IN RTMP_ADAPTER * pAd)
 887 {
 888         int apidx;
 889         BEACON_SYNC_STRUCT *pBeaconSync;
 890 //      LARGE_INTEGER   tsfTime, deltaTime;
 891
 892         pBeaconSync = pAd->CommonCfg.pBeaconSync;
 893         if (pBeaconSync && pBeaconSync->EnableBeacon) {
 894                 INT NumOfBcn;
 895
 896                 {
 897                         NumOfBcn = MAX_MESH_NUM;
 898                 }
 899
 900                 for (apidx = 0; apidx < NumOfBcn; apidx++) {
 901                         UCHAR CapabilityInfoLocationInBeacon = 0;
 902                         UCHAR TimIELocationInBeacon = 0;
 903
 904                         NdisZeroMemory(pBeaconSync->BeaconBuf[apidx],
 905                                        HW_BEACON_OFFSET);
 906                         pBeaconSync->CapabilityInfoLocationInBeacon[apidx] =
 907                             CapabilityInfoLocationInBeacon;
 908                         pBeaconSync->TimIELocationInBeacon[apidx] =
 909                             TimIELocationInBeacon;
 910                         NdisZeroMemory(pBeaconSync->BeaconTxWI[apidx],
 911                                        TXWI_SIZE);
 912                 }
 913                 pBeaconSync->BeaconBitMap = 0;
 914                 pBeaconSync->DtimBitOn = 0;
 915                 pAd->CommonCfg.BeaconUpdateTimer.Repeat = TRUE;
 916
 917                 pAd->CommonCfg.BeaconAdjust = 0;
 918                 pAd->CommonCfg.BeaconFactor =
 919                     0xffffffff / (pAd->CommonCfg.BeaconPeriod << 10);
 920                 pAd->CommonCfg.BeaconRemain =
 921                     (0xffffffff % (pAd->CommonCfg.BeaconPeriod << 10)) + 1;
 922                 DBGPRINT(RT_DEBUG_TRACE,
 923                          ("RTUSBBssBeaconStart:BeaconFactor=%d, BeaconRemain=%d!\n",
 924                           pAd->CommonCfg.BeaconFactor,
 925                           pAd->CommonCfg.BeaconRemain));
 926                 RTMPSetTimer(&pAd->CommonCfg.BeaconUpdateTimer,
 927                              10 /*pAd->CommonCfg.BeaconPeriod */ );
 928
 929         }
 930 }
 931
 932 VOID RTUSBBssBeaconInit(IN RTMP_ADAPTER * pAd)
 933 {
 934         BEACON_SYNC_STRUCT *pBeaconSync;
 935         int i;
 936
 937         os_alloc_mem(pAd, (PUCHAR *) (&pAd->CommonCfg.pBeaconSync),
 938                      sizeof(BEACON_SYNC_STRUCT));
 939         //NdisAllocMemory(pAd->CommonCfg.pBeaconSync, sizeof(BEACON_SYNC_STRUCT), MEM_ALLOC_FLAG);
 940         if (pAd->CommonCfg.pBeaconSync) {
 941                 pBeaconSync = pAd->CommonCfg.pBeaconSync;
 942                 NdisZeroMemory(pBeaconSync, sizeof(BEACON_SYNC_STRUCT));
 943                 for (i = 0; i < HW_BEACON_MAX_COUNT; i++) {
 944                         NdisZeroMemory(pBeaconSync->BeaconBuf[i],
 945                                        HW_BEACON_OFFSET);
 946                         pBeaconSync->CapabilityInfoLocationInBeacon[i] = 0;
 947                         pBeaconSync->TimIELocationInBeacon[i] = 0;
 948                         NdisZeroMemory(pBeaconSync->BeaconTxWI[i], TXWI_SIZE);
 949                 }
 950                 pBeaconSync->BeaconBitMap = 0;
 951
 952                 //RTMPInitTimer(pAd, &pAd->CommonCfg.BeaconUpdateTimer, GET_TIMER_FUNCTION(BeaconUpdateExec), pAd, TRUE);
 953                 pBeaconSync->EnableBeacon = TRUE;
 954         }
 955 }
 956
 957 VOID RTUSBBssBeaconExit(IN RTMP_ADAPTER * pAd)
 958 {
 959         BEACON_SYNC_STRUCT *pBeaconSync;
 960         BOOLEAN Cancelled = TRUE;
 961         int i;
 962
 963         if (pAd->CommonCfg.pBeaconSync) {
 964                 pBeaconSync = pAd->CommonCfg.pBeaconSync;
 965                 pBeaconSync->EnableBeacon = FALSE;
 966                 RTMPCancelTimer(&pAd->CommonCfg.BeaconUpdateTimer, &Cancelled);
 967                 pBeaconSync->BeaconBitMap = 0;
 968
 969                 for (i = 0; i < HW_BEACON_MAX_COUNT; i++) {
 970                         NdisZeroMemory(pBeaconSync->BeaconBuf[i],
 971                                        HW_BEACON_OFFSET);
 972                         pBeaconSync->CapabilityInfoLocationInBeacon[i] = 0;
 973                         pBeaconSync->TimIELocationInBeacon[i] = 0;
 974                         NdisZeroMemory(pBeaconSync->BeaconTxWI[i], TXWI_SIZE);
 975                 }
 976
 977                 os_free_mem(pAd, pAd->CommonCfg.pBeaconSync);
 978                 pAd->CommonCfg.pBeaconSync = NULL;
 979         }
 980 }
 981
 982 /*
 983     ========================================================================
 984     Routine Description:
 985         For device work as AP mode but didn't have TBTT interrupt event, we need a mechanism
 986         to update the beacon context in each Beacon interval. Here we use a periodical timer
 987         to simulate the TBTT interrupt to handle the beacon context update.
 988
 989     Arguments:
 990         SystemSpecific1         - Not used.
 991         FunctionContext         - Pointer to our Adapter context.
 992         SystemSpecific2         - Not used.
 993         SystemSpecific3         - Not used.
 994
 995     Return Value:
 996         None
 997
 998     ========================================================================
 999 */
1000 VOID BeaconUpdateExec(IN PVOID SystemSpecific1,
1001                       IN PVOID FunctionContext,
1002                       IN PVOID SystemSpecific2, IN PVOID SystemSpecific3)
1003 {
1004         PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) FunctionContext;
1005         LARGE_INTEGER tsfTime_a;        //, tsfTime_b, deltaTime_exp, deltaTime_ab;
1006         UINT32 delta, delta2MS, period2US, remain, remain_low, remain_high;
1007 //      BOOLEAN                 positive;
1008
1009         if (pAd->CommonCfg.IsUpdateBeacon == TRUE) {
1010                 ReSyncBeaconTime(pAd);
1011
1012         }
1013
1014         RTMP_IO_READ32(pAd, TSF_TIMER_DW0, &tsfTime_a.u.LowPart);
1015         RTMP_IO_READ32(pAd, TSF_TIMER_DW1, &tsfTime_a.u.HighPart);
1016
1017         //positive=getDeltaTime(tsfTime_a, expectedTime, &deltaTime_exp);
1018         period2US = (pAd->CommonCfg.BeaconPeriod << 10);
1019         remain_high = pAd->CommonCfg.BeaconRemain * tsfTime_a.u.HighPart;
1020         remain_low = tsfTime_a.u.LowPart % (pAd->CommonCfg.BeaconPeriod << 10);
1021         remain =
1022             (remain_high + remain_low) % (pAd->CommonCfg.BeaconPeriod << 10);
1023         delta = (pAd->CommonCfg.BeaconPeriod << 10) - remain;
1024
1025         delta2MS = (delta >> 10);
1026         if (delta2MS > 150) {
1027                 pAd->CommonCfg.BeaconUpdateTimer.TimerValue = 100;
1028                 pAd->CommonCfg.IsUpdateBeacon = FALSE;
1029         } else {
1030                 pAd->CommonCfg.BeaconUpdateTimer.TimerValue = delta2MS + 10;
1031                 pAd->CommonCfg.IsUpdateBeacon = TRUE;
1032         }
1033
1034 }
1035
1036 /********************************************************************
1037   *
1038   *     2870 Radio on/off Related functions.
1039   *
1040   ********************************************************************/
1041 VOID RT28xxUsbMlmeRadioOn(IN PRTMP_ADAPTER pAd)
1042 {
1043         RTMP_CHIP_OP *pChipOps = &pAd->chipOps;
1044
1045         DBGPRINT(RT_DEBUG_TRACE, ("RT28xxUsbMlmeRadioOn()\n"));
1046
1047         if (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_RADIO_OFF))
1048                 return;
1049
1050         {
1051                 AsicSendCommandToMcu(pAd, 0x31, 0xff, 0x00, 0x02);
1052                 RTMPusecDelay(10000);
1053         }
1054         //NICResetFromError(pAd);
1055
1056         // Enable Tx/Rx
1057         RTMPEnableRxTx(pAd);
1058
1059         if (pChipOps->AsicReverseRfFromSleepMode)
1060                 pChipOps->AsicReverseRfFromSleepMode(pAd);
1061
1062         // Clear Radio off flag
1063         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_RADIO_OFF);
1064
1065         RTUSBBulkReceive(pAd);
1066
1067         // Set LED
1068         RTMPSetLED(pAd, LED_RADIO_ON);
1069 }
1070
1071 VOID RT28xxUsbMlmeRadioOFF(IN PRTMP_ADAPTER pAd)
1072 {
1073         WPDMA_GLO_CFG_STRUC GloCfg;
1074         UINT32 Value, i;
1075
1076         DBGPRINT(RT_DEBUG_TRACE, ("RT28xxUsbMlmeRadioOFF()\n"));
1077
1078         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_RADIO_OFF))
1079                 return;
1080
1081         // Clear PMKID cache.
1082         pAd->StaCfg.SavedPMKNum = 0;
1083         RTMPZeroMemory(pAd->StaCfg.SavedPMK, (PMKID_NO * sizeof(BSSID_INFO)));
1084
1085         // Link down first if any association exists
1086         if (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)) {
1087                 if (INFRA_ON(pAd) || ADHOC_ON(pAd)) {
1088                         MLME_DISASSOC_REQ_STRUCT DisReq;
1089                         MLME_QUEUE_ELEM *pMsgElem =
1090                             (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM),
1091                                                         MEM_ALLOC_FLAG);
1092
1093                         if (pMsgElem) {
1094                                 COPY_MAC_ADDR(&DisReq.Addr,
1095                                               pAd->CommonCfg.Bssid);
1096                                 DisReq.Reason = REASON_DISASSOC_STA_LEAVING;
1097
1098                                 pMsgElem->Machine = ASSOC_STATE_MACHINE;
1099                                 pMsgElem->MsgType = MT2_MLME_DISASSOC_REQ;
1100                                 pMsgElem->MsgLen =
1101                                     sizeof(MLME_DISASSOC_REQ_STRUCT);
1102                                 NdisMoveMemory(pMsgElem->Msg, &DisReq,
1103                                                sizeof
1104                                                (MLME_DISASSOC_REQ_STRUCT));
1105
1106                                 MlmeDisassocReqAction(pAd, pMsgElem);
1107                                 kfree(pMsgElem);
1108
1109                                 RTMPusecDelay(1000);
1110                         }
1111                 }
1112         }
1113         // Set Radio off flag
1114         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_RADIO_OFF);
1115
1116         {
1117                 // Link down first if any association exists
1118                 if (INFRA_ON(pAd) || ADHOC_ON(pAd))
1119                         LinkDown(pAd, FALSE);
1120                 RTMPusecDelay(10000);
1121
1122                 //==========================================
1123                 // Clean up old bss table
1124                 BssTableInit(&pAd->ScanTab);
1125         }
1126
1127         // Set LED
1128         RTMPSetLED(pAd, LED_RADIO_OFF);
1129
1130         if (pAd->CommonCfg.BBPCurrentBW == BW_40) {
1131                 // Must using 40MHz.
1132                 AsicTurnOffRFClk(pAd, pAd->CommonCfg.CentralChannel);
1133         } else {
1134                 // Must using 20MHz.
1135                 AsicTurnOffRFClk(pAd, pAd->CommonCfg.Channel);
1136         }
1137
1138         // Disable Tx/Rx DMA
1139         RTUSBReadMACRegister(pAd, WPDMA_GLO_CFG, &GloCfg.word); // disable DMA
1140         GloCfg.field.EnableTxDMA = 0;
1141         GloCfg.field.EnableRxDMA = 0;
1142         RTUSBWriteMACRegister(pAd, WPDMA_GLO_CFG, GloCfg.word); // abort all TX rings
1143
1144         // Waiting for DMA idle
1145         i = 0;
1146         do {
1147                 RTMP_IO_READ32(pAd, WPDMA_GLO_CFG, &GloCfg.word);
1148                 if ((GloCfg.field.TxDMABusy == 0)
1149                     && (GloCfg.field.RxDMABusy == 0))
1150                         break;
1151
1152                 RTMPusecDelay(1000);
1153         } while (i++ < 100);
1154
1155         // Disable MAC Tx/Rx
1156         RTMP_IO_READ32(pAd, MAC_SYS_CTRL, &Value);
1157         Value &= (0xfffffff3);
1158         RTMP_IO_WRITE32(pAd, MAC_SYS_CTRL, Value);
1159
1160         {
1161                 AsicSendCommandToMcu(pAd, 0x30, 0xff, 0xff, 0x02);
1162         }
1163 }
1164
1165 #endif // RTMP_MAC_USB //