git.oblomov.eu Git - linux-2.6/blob - drivers/staging/rt2860/common/action.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     Module Name:
  28         action.c
  29
  30     Abstract:
  31     Handle association related requests either from WSTA or from local MLME
  32
  33     Revision History:
  34     Who         When          What
  35     --------    ----------    ----------------------------------------------
  36         Jan Lee         2006            created for rt2860
  37  */
  38
  39 #include "../rt_config.h"
  40 #include "action.h"
  41
  42
  43 static VOID ReservedAction(
  44         IN PRTMP_ADAPTER pAd,
  45         IN MLME_QUEUE_ELEM *Elem);
  46
  47 /*
  48     ==========================================================================
  49     Description:
  50         association state machine init, including state transition and timer init
  51     Parameters:
  52         S - pointer to the association state machine
  53     Note:
  54         The state machine looks like the following
  55
  56                                     ASSOC_IDLE
  57         MT2_MLME_DISASSOC_REQ    mlme_disassoc_req_action
  58         MT2_PEER_DISASSOC_REQ    peer_disassoc_action
  59         MT2_PEER_ASSOC_REQ       drop
  60         MT2_PEER_REASSOC_REQ     drop
  61         MT2_CLS3ERR              cls3err_action
  62     ==========================================================================
  63  */
  64 VOID ActionStateMachineInit(
  65     IN  PRTMP_ADAPTER   pAd,
  66     IN  STATE_MACHINE *S,
  67     OUT STATE_MACHINE_FUNC Trans[])
  68 {
  69         StateMachineInit(S, (STATE_MACHINE_FUNC *)Trans, MAX_ACT_STATE, MAX_ACT_MSG, (STATE_MACHINE_FUNC)Drop, ACT_IDLE, ACT_MACHINE_BASE);
  70
  71         StateMachineSetAction(S, ACT_IDLE, MT2_PEER_SPECTRUM_CATE, (STATE_MACHINE_FUNC)PeerSpectrumAction);
  72         StateMachineSetAction(S, ACT_IDLE, MT2_PEER_QOS_CATE, (STATE_MACHINE_FUNC)PeerQOSAction);
  73
  74         StateMachineSetAction(S, ACT_IDLE, MT2_PEER_DLS_CATE, (STATE_MACHINE_FUNC)ReservedAction);
  75
  76         StateMachineSetAction(S, ACT_IDLE, MT2_PEER_BA_CATE, (STATE_MACHINE_FUNC)PeerBAAction);
  77         StateMachineSetAction(S, ACT_IDLE, MT2_PEER_HT_CATE, (STATE_MACHINE_FUNC)PeerHTAction);
  78         StateMachineSetAction(S, ACT_IDLE, MT2_MLME_ADD_BA_CATE, (STATE_MACHINE_FUNC)MlmeADDBAAction);
  79         StateMachineSetAction(S, ACT_IDLE, MT2_MLME_ORI_DELBA_CATE, (STATE_MACHINE_FUNC)MlmeDELBAAction);
  80         StateMachineSetAction(S, ACT_IDLE, MT2_MLME_REC_DELBA_CATE, (STATE_MACHINE_FUNC)MlmeDELBAAction);
  81
  82         StateMachineSetAction(S, ACT_IDLE, MT2_PEER_PUBLIC_CATE, (STATE_MACHINE_FUNC)PeerPublicAction);
  83         StateMachineSetAction(S, ACT_IDLE, MT2_PEER_RM_CATE, (STATE_MACHINE_FUNC)PeerRMAction);
  84
  85         StateMachineSetAction(S, ACT_IDLE, MT2_MLME_QOS_CATE, (STATE_MACHINE_FUNC)MlmeQOSAction);
  86         StateMachineSetAction(S, ACT_IDLE, MT2_MLME_DLS_CATE, (STATE_MACHINE_FUNC)MlmeDLSAction);
  87         StateMachineSetAction(S, ACT_IDLE, MT2_ACT_INVALID, (STATE_MACHINE_FUNC)MlmeInvalidAction);
  88 }
  89
  90 VOID MlmeADDBAAction(
  91     IN PRTMP_ADAPTER pAd,
  92     IN MLME_QUEUE_ELEM *Elem)
  93
  94 {
  95         MLME_ADDBA_REQ_STRUCT *pInfo;
  96         UCHAR           Addr[6];
  97         PUCHAR         pOutBuffer = NULL;
  98         NDIS_STATUS     NStatus;
  99         ULONG           Idx;
 100         FRAME_ADDBA_REQ  Frame;
 101         ULONG           FrameLen;
 102         BA_ORI_ENTRY                    *pBAEntry = NULL;
 103
 104         pInfo = (MLME_ADDBA_REQ_STRUCT *)Elem->Msg;
 105         NdisZeroMemory(&Frame, sizeof(FRAME_ADDBA_REQ));
 106
 107         if(MlmeAddBAReqSanity(pAd, Elem->Msg, Elem->MsgLen, Addr))
 108         {
 109                 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);  //Get an unused nonpaged memory
 110                 if(NStatus != NDIS_STATUS_SUCCESS)
 111                 {
 112                         DBGPRINT(RT_DEBUG_TRACE,("BA - MlmeADDBAAction() allocate memory failed \n"));
 113                         return;
 114                 }
 115                 // 1. find entry
 116                 Idx = pAd->MacTab.Content[pInfo->Wcid].BAOriWcidArray[pInfo->TID];
 117                 if (Idx == 0)
 118                 {
 119                         MlmeFreeMemory(pAd, pOutBuffer);
 120                         DBGPRINT(RT_DEBUG_ERROR,("BA - MlmeADDBAAction() can't find BAOriEntry \n"));
 121                         return;
 122                 }
 123                 else
 124                 {
 125                         pBAEntry =&pAd->BATable.BAOriEntry[Idx];
 126                 }
 127
 128                 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 129                 {
 130                         if (ADHOC_ON(pAd))
 131                                 ActHeaderInit(pAd, &Frame.Hdr, pInfo->pAddr, pAd->CurrentAddress, pAd->CommonCfg.Bssid);
 132                         else
 133                                 ActHeaderInit(pAd, &Frame.Hdr, pAd->CommonCfg.Bssid, pAd->CurrentAddress, pInfo->pAddr);
 134                 }
 135
 136                 Frame.Category = CATEGORY_BA;
 137                 Frame.Action = ADDBA_REQ;
 138                 Frame.BaParm.AMSDUSupported = 0;
 139                 Frame.BaParm.BAPolicy = IMMED_BA;
 140                 Frame.BaParm.TID = pInfo->TID;
 141                 Frame.BaParm.BufSize = pInfo->BaBufSize;
 142                 Frame.Token = pInfo->Token;
 143                 Frame.TimeOutValue = pInfo->TimeOutValue;
 144                 Frame.BaStartSeq.field.FragNum = 0;
 145                 Frame.BaStartSeq.field.StartSeq = pAd->MacTab.Content[pInfo->Wcid].TxSeq[pInfo->TID];
 146
 147                 *(USHORT *)(&Frame.BaParm) = cpu2le16(*(USHORT *)(&Frame.BaParm));
 148                 Frame.TimeOutValue = cpu2le16(Frame.TimeOutValue);
 149                 Frame.BaStartSeq.word = cpu2le16(Frame.BaStartSeq.word);
 150
 151                 MakeOutgoingFrame(pOutBuffer,              &FrameLen,
 152                               sizeof(FRAME_ADDBA_REQ), &Frame,
 153                               END_OF_ARGS);
 154                 MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
 155                 MlmeFreeMemory(pAd, pOutBuffer);
 156
 157                 DBGPRINT(RT_DEBUG_TRACE, ("BA - Send ADDBA request. StartSeq = %x,  FrameLen = %ld. BufSize = %d\n", Frame.BaStartSeq.field.StartSeq, FrameLen, Frame.BaParm.BufSize));
 158     }
 159 }
 160
 161 /*
 162     ==========================================================================
 163     Description:
 164         send DELBA and delete BaEntry if any
 165     Parametrs:
 166         Elem - MLME message MLME_DELBA_REQ_STRUCT
 167
 168         IRQL = DISPATCH_LEVEL
 169
 170     ==========================================================================
 171  */
 172 VOID MlmeDELBAAction(
 173     IN PRTMP_ADAPTER pAd,
 174     IN MLME_QUEUE_ELEM *Elem)
 175 {
 176         MLME_DELBA_REQ_STRUCT *pInfo;
 177         PUCHAR         pOutBuffer = NULL;
 178         PUCHAR             pOutBuffer2 = NULL;
 179         NDIS_STATUS     NStatus;
 180         ULONG           Idx;
 181         FRAME_DELBA_REQ  Frame;
 182         ULONG           FrameLen;
 183         FRAME_BAR       FrameBar;
 184
 185         pInfo = (MLME_DELBA_REQ_STRUCT *)Elem->Msg;
 186         // must send back DELBA
 187         NdisZeroMemory(&Frame, sizeof(FRAME_DELBA_REQ));
 188         DBGPRINT(RT_DEBUG_TRACE, ("==> MlmeDELBAAction(), Initiator(%d) \n", pInfo->Initiator));
 189
 190         if(MlmeDelBAReqSanity(pAd, Elem->Msg, Elem->MsgLen))
 191         {
 192                 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);  //Get an unused nonpaged memory
 193                 if(NStatus != NDIS_STATUS_SUCCESS)
 194                 {
 195                         DBGPRINT(RT_DEBUG_ERROR,("BA - MlmeDELBAAction() allocate memory failed 1. \n"));
 196                         return;
 197                 }
 198
 199                 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer2);  //Get an unused nonpaged memory
 200                 if(NStatus != NDIS_STATUS_SUCCESS)
 201                 {
 202                         MlmeFreeMemory(pAd, pOutBuffer);
 203                         DBGPRINT(RT_DEBUG_ERROR, ("BA - MlmeDELBAAction() allocate memory failed 2. \n"));
 204                         return;
 205                 }
 206
 207                 // SEND BAR (Send BAR to refresh peer reordering buffer.)
 208                 Idx = pAd->MacTab.Content[pInfo->Wcid].BAOriWcidArray[pInfo->TID];
 209
 210                 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 211                         BarHeaderInit(pAd, &FrameBar, pAd->MacTab.Content[pInfo->Wcid].Addr, pAd->CurrentAddress);
 212
 213                 FrameBar.StartingSeq.field.FragNum = 0; // make sure sequence not clear in DEL funciton.
 214                 FrameBar.StartingSeq.field.StartSeq = pAd->MacTab.Content[pInfo->Wcid].TxSeq[pInfo->TID]; // make sure sequence not clear in DEL funciton.
 215                 FrameBar.BarControl.TID = pInfo->TID; // make sure sequence not clear in DEL funciton.
 216                 FrameBar.BarControl.ACKPolicy = IMMED_BA; // make sure sequence not clear in DEL funciton.
 217                 FrameBar.BarControl.Compressed = 1; // make sure sequence not clear in DEL funciton.
 218                 FrameBar.BarControl.MTID = 0; // make sure sequence not clear in DEL funciton.
 219
 220                 MakeOutgoingFrame(pOutBuffer2,                          &FrameLen,
 221                                           sizeof(FRAME_BAR),      &FrameBar,
 222                                           END_OF_ARGS);
 223                 MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer2, FrameLen);
 224                 MlmeFreeMemory(pAd, pOutBuffer2);
 225                 DBGPRINT(RT_DEBUG_TRACE,("BA - MlmeDELBAAction() . Send BAR to refresh peer reordering buffer \n"));
 226
 227                 // SEND DELBA FRAME
 228                 FrameLen = 0;
 229
 230                 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 231                 {
 232                         if (ADHOC_ON(pAd))
 233                                 ActHeaderInit(pAd, &Frame.Hdr, pAd->MacTab.Content[pInfo->Wcid].Addr, pAd->CurrentAddress, pAd->CommonCfg.Bssid);
 234                         else
 235                                 ActHeaderInit(pAd, &Frame.Hdr,  pAd->CommonCfg.Bssid, pAd->CurrentAddress, pAd->MacTab.Content[pInfo->Wcid].Addr);
 236                 }
 237
 238                 Frame.Category = CATEGORY_BA;
 239                 Frame.Action = DELBA;
 240                 Frame.DelbaParm.Initiator = pInfo->Initiator;
 241                 Frame.DelbaParm.TID = pInfo->TID;
 242                 Frame.ReasonCode = 39; // Time Out
 243                 *(USHORT *)(&Frame.DelbaParm) = cpu2le16(*(USHORT *)(&Frame.DelbaParm));
 244                 Frame.ReasonCode = cpu2le16(Frame.ReasonCode);
 245
 246                 MakeOutgoingFrame(pOutBuffer,               &FrameLen,
 247                               sizeof(FRAME_DELBA_REQ),    &Frame,
 248                               END_OF_ARGS);
 249                 MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
 250                 MlmeFreeMemory(pAd, pOutBuffer);
 251                 DBGPRINT(RT_DEBUG_TRACE, ("BA - MlmeDELBAAction() . 3 DELBA sent. Initiator(%d)\n", pInfo->Initiator));
 252         }
 253 }
 254
 255 VOID MlmeQOSAction(
 256     IN PRTMP_ADAPTER pAd,
 257     IN MLME_QUEUE_ELEM *Elem)
 258 {
 259 }
 260
 261 VOID MlmeDLSAction(
 262     IN PRTMP_ADAPTER pAd,
 263     IN MLME_QUEUE_ELEM *Elem)
 264 {
 265 }
 266
 267 VOID MlmeInvalidAction(
 268     IN PRTMP_ADAPTER pAd,
 269     IN MLME_QUEUE_ELEM *Elem)
 270 {
 271         //PUCHAR                   pOutBuffer = NULL;
 272         //Return the receiving frame except the MSB of category filed set to 1.  7.3.1.11
 273 }
 274
 275 VOID PeerQOSAction(
 276         IN PRTMP_ADAPTER pAd,
 277         IN MLME_QUEUE_ELEM *Elem)
 278 {
 279 }
 280
 281 VOID PeerBAAction(
 282         IN PRTMP_ADAPTER pAd,
 283         IN MLME_QUEUE_ELEM *Elem)
 284 {
 285         UCHAR   Action = Elem->Msg[LENGTH_802_11+1];
 286
 287         switch(Action)
 288         {
 289                 case ADDBA_REQ:
 290                         PeerAddBAReqAction(pAd,Elem);
 291                         break;
 292                 case ADDBA_RESP:
 293                         PeerAddBARspAction(pAd,Elem);
 294                         break;
 295                 case DELBA:
 296                         PeerDelBAAction(pAd,Elem);
 297                         break;
 298         }
 299 }
 300
 301 VOID PeerPublicAction(
 302         IN PRTMP_ADAPTER pAd,
 303         IN MLME_QUEUE_ELEM *Elem)
 304 {
 305         if (Elem->Wcid >= MAX_LEN_OF_MAC_TABLE)
 306                 return;
 307 }
 308
 309
 310 static VOID ReservedAction(
 311         IN PRTMP_ADAPTER pAd,
 312         IN MLME_QUEUE_ELEM *Elem)
 313 {
 314         UCHAR Category;
 315
 316         if (Elem->MsgLen <= LENGTH_802_11)
 317         {
 318                 return;
 319         }
 320
 321         Category = Elem->Msg[LENGTH_802_11];
 322         DBGPRINT(RT_DEBUG_TRACE,("Rcv reserved category(%d) Action Frame\n", Category));
 323         hex_dump("Reserved Action Frame", &Elem->Msg[0], Elem->MsgLen);
 324 }
 325
 326 VOID PeerRMAction(
 327         IN PRTMP_ADAPTER pAd,
 328         IN MLME_QUEUE_ELEM *Elem)
 329
 330 {
 331         return;
 332 }
 333
 334 static VOID respond_ht_information_exchange_action(
 335         IN PRTMP_ADAPTER pAd,
 336         IN MLME_QUEUE_ELEM *Elem)
 337 {
 338         PUCHAR                  pOutBuffer = NULL;
 339         NDIS_STATUS             NStatus;
 340         ULONG                   FrameLen;
 341         FRAME_HT_INFO   HTINFOframe, *pFrame;
 342         UCHAR                   *pAddr;
 343
 344
 345         // 2. Always send back ADDBA Response
 346         NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);  //Get an unused nonpaged memory
 347
 348         if (NStatus != NDIS_STATUS_SUCCESS)
 349         {
 350                 DBGPRINT(RT_DEBUG_TRACE,("ACTION - respond_ht_information_exchange_action() allocate memory failed \n"));
 351                 return;
 352         }
 353
 354         // get RA
 355         pFrame = (FRAME_HT_INFO *) &Elem->Msg[0];
 356         pAddr = pFrame->Hdr.Addr2;
 357
 358         NdisZeroMemory(&HTINFOframe, sizeof(FRAME_HT_INFO));
 359         // 2-1. Prepare ADDBA Response frame.
 360         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 361         {
 362                 if (ADHOC_ON(pAd))
 363                         ActHeaderInit(pAd, &HTINFOframe.Hdr, pAddr, pAd->CurrentAddress, pAd->CommonCfg.Bssid);
 364                 else
 365                         ActHeaderInit(pAd, &HTINFOframe.Hdr, pAd->CommonCfg.Bssid, pAd->CurrentAddress, pAddr);
 366         }
 367
 368         HTINFOframe.Category = CATEGORY_HT;
 369         HTINFOframe.Action = HT_INFO_EXCHANGE;
 370         HTINFOframe.HT_Info.Request = 0;
 371         HTINFOframe.HT_Info.Forty_MHz_Intolerant = pAd->CommonCfg.HtCapability.HtCapInfo.Forty_Mhz_Intolerant;
 372         HTINFOframe.HT_Info.STA_Channel_Width    = pAd->CommonCfg.AddHTInfo.AddHtInfo.RecomWidth;
 373
 374         MakeOutgoingFrame(pOutBuffer,                                   &FrameLen,
 375                                           sizeof(FRAME_HT_INFO),        &HTINFOframe,
 376                                           END_OF_ARGS);
 377
 378         MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
 379         MlmeFreeMemory(pAd, pOutBuffer);
 380 }
 381
 382 VOID PeerHTAction(
 383         IN PRTMP_ADAPTER pAd,
 384         IN MLME_QUEUE_ELEM *Elem)
 385 {
 386         UCHAR   Action = Elem->Msg[LENGTH_802_11+1];
 387
 388         if (Elem->Wcid >= MAX_LEN_OF_MAC_TABLE)
 389                 return;
 390
 391         switch(Action)
 392         {
 393                 case NOTIFY_BW_ACTION:
 394                         DBGPRINT(RT_DEBUG_TRACE,("ACTION - HT Notify Channel bandwidth action----> \n"));
 395
 396                         if(pAd->StaActive.SupportedPhyInfo.bHtEnable == FALSE)
 397                         {
 398                                 // Note, this is to patch DIR-1353 AP. When the AP set to Wep, it will use legacy mode. But AP still keeps
 399                                 // sending BW_Notify Action frame, and cause us to linkup and linkdown.
 400                                 // In legacy mode, don't need to parse HT action frame.
 401                                 DBGPRINT(RT_DEBUG_TRACE,("ACTION -Ignore HT Notify Channel BW when link as legacy mode. BW = %d---> \n",
 402                                                                 Elem->Msg[LENGTH_802_11+2] ));
 403                                 break;
 404                         }
 405
 406                         if (Elem->Msg[LENGTH_802_11+2] == 0)    // 7.4.8.2. if value is 1, keep the same as supported channel bandwidth.
 407                                 pAd->MacTab.Content[Elem->Wcid].HTPhyMode.field.BW = 0;
 408
 409                         break;
 410                 case SMPS_ACTION:
 411                         // 7.3.1.25
 412                         DBGPRINT(RT_DEBUG_TRACE,("ACTION - SMPS action----> \n"));
 413                         if (((Elem->Msg[LENGTH_802_11+2]&0x1) == 0))
 414                         {
 415                                 pAd->MacTab.Content[Elem->Wcid].MmpsMode = MMPS_ENABLE;
 416                         }
 417                         else if (((Elem->Msg[LENGTH_802_11+2]&0x2) == 0))
 418                         {
 419                                 pAd->MacTab.Content[Elem->Wcid].MmpsMode = MMPS_STATIC;
 420                         }
 421                         else
 422                         {
 423                                 pAd->MacTab.Content[Elem->Wcid].MmpsMode = MMPS_DYNAMIC;
 424                         }
 425
 426                         DBGPRINT(RT_DEBUG_TRACE,("Aid(%d) MIMO PS = %d\n", Elem->Wcid, pAd->MacTab.Content[Elem->Wcid].MmpsMode));
 427                         // rt2860c : add something for smps change.
 428                         break;
 429
 430                 case SETPCO_ACTION:
 431                         break;
 432                 case MIMO_CHA_MEASURE_ACTION:
 433                         break;
 434                 case HT_INFO_EXCHANGE:
 435                         {
 436                                 HT_INFORMATION_OCTET    *pHT_info;
 437
 438                                 pHT_info = (HT_INFORMATION_OCTET *) &Elem->Msg[LENGTH_802_11+2];
 439                                 // 7.4.8.10
 440                                 DBGPRINT(RT_DEBUG_TRACE,("ACTION - HT Information Exchange action----> \n"));
 441                                 if (pHT_info->Request)
 442                                 {
 443                                         respond_ht_information_exchange_action(pAd, Elem);
 444                                 }
 445                         }
 446                         break;
 447         }
 448 }
 449
 450
 451 /*
 452         ==========================================================================
 453         Description:
 454                 Retry sending ADDBA Reqest.
 455
 456         IRQL = DISPATCH_LEVEL
 457
 458         Parametrs:
 459         p8023Header: if this is already 802.3 format, p8023Header is NULL
 460
 461         Return  : TRUE if put into rx reordering buffer, shouldn't indicaterxhere.
 462                                 FALSE , then continue indicaterx at this moment.
 463         ==========================================================================
 464  */
 465 VOID ORIBATimerTimeout(
 466         IN      PRTMP_ADAPTER   pAd)
 467 {
 468         MAC_TABLE_ENTRY *pEntry;
 469         INT                     i, total;
 470         UCHAR                   TID;
 471
 472         total = pAd->MacTab.Size * NUM_OF_TID;
 473
 474         for (i = 1; ((i <MAX_LEN_OF_BA_ORI_TABLE) && (total > 0)) ; i++)
 475         {
 476                 if  (pAd->BATable.BAOriEntry[i].ORI_BA_Status == Originator_Done)
 477                 {
 478                         pEntry = &pAd->MacTab.Content[pAd->BATable.BAOriEntry[i].Wcid];
 479                         TID = pAd->BATable.BAOriEntry[i].TID;
 480
 481                         ASSERT(pAd->BATable.BAOriEntry[i].Wcid < MAX_LEN_OF_MAC_TABLE);
 482                 }
 483                 total --;
 484         }
 485 }
 486
 487
 488 VOID SendRefreshBAR(
 489         IN      PRTMP_ADAPTER   pAd,
 490         IN      MAC_TABLE_ENTRY *pEntry)
 491 {
 492         FRAME_BAR               FrameBar;
 493         ULONG                   FrameLen;
 494         NDIS_STATUS     NStatus;
 495         PUCHAR                  pOutBuffer = NULL;
 496         USHORT                  Sequence;
 497         UCHAR                   i, TID;
 498         USHORT                  idx;
 499         BA_ORI_ENTRY    *pBAEntry;
 500
 501         for (i = 0; i <NUM_OF_TID; i++)
 502         {
 503                 idx = pEntry->BAOriWcidArray[i];
 504                 if (idx == 0)
 505                 {
 506                         continue;
 507                 }
 508                 pBAEntry = &pAd->BATable.BAOriEntry[idx];
 509
 510                 if  (pBAEntry->ORI_BA_Status == Originator_Done)
 511                 {
 512                         TID = pBAEntry->TID;
 513
 514                         ASSERT(pBAEntry->Wcid < MAX_LEN_OF_MAC_TABLE);
 515
 516                         NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);  //Get an unused nonpaged memory
 517                         if(NStatus != NDIS_STATUS_SUCCESS)
 518                         {
 519                                 DBGPRINT(RT_DEBUG_ERROR,("BA - MlmeADDBAAction() allocate memory failed \n"));
 520                                 return;
 521                         }
 522
 523                         Sequence = pEntry->TxSeq[TID];
 524
 525                         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 526                                 BarHeaderInit(pAd, &FrameBar, pEntry->Addr, pAd->CurrentAddress);
 527
 528                         FrameBar.StartingSeq.field.FragNum = 0; // make sure sequence not clear in DEL function.
 529                         FrameBar.StartingSeq.field.StartSeq = Sequence; // make sure sequence not clear in DEL funciton.
 530                         FrameBar.BarControl.TID = TID; // make sure sequence not clear in DEL funciton.
 531
 532                         MakeOutgoingFrame(pOutBuffer,                           &FrameLen,
 533                                                           sizeof(FRAME_BAR),      &FrameBar,
 534                                                           END_OF_ARGS);
 535                         if (1)  // Now we always send BAR.
 536                         {
 537                                 MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
 538                         }
 539                         MlmeFreeMemory(pAd, pOutBuffer);
 540                 }
 541         }
 542 }
 543
 544 VOID ActHeaderInit(
 545     IN  PRTMP_ADAPTER   pAd,
 546     IN OUT PHEADER_802_11 pHdr80211,
 547     IN PUCHAR Addr1,
 548     IN PUCHAR Addr2,
 549     IN PUCHAR Addr3)
 550 {
 551     NdisZeroMemory(pHdr80211, sizeof(HEADER_802_11));
 552     pHdr80211->FC.Type = BTYPE_MGMT;
 553     pHdr80211->FC.SubType = SUBTYPE_ACTION;
 554
 555     COPY_MAC_ADDR(pHdr80211->Addr1, Addr1);
 556         COPY_MAC_ADDR(pHdr80211->Addr2, Addr2);
 557     COPY_MAC_ADDR(pHdr80211->Addr3, Addr3);
 558 }
 559
 560 VOID BarHeaderInit(
 561         IN      PRTMP_ADAPTER   pAd,
 562         IN OUT PFRAME_BAR pCntlBar,
 563         IN PUCHAR pDA,
 564         IN PUCHAR pSA)
 565 {
 566         NdisZeroMemory(pCntlBar, sizeof(FRAME_BAR));
 567         pCntlBar->FC.Type = BTYPE_CNTL;
 568         pCntlBar->FC.SubType = SUBTYPE_BLOCK_ACK_REQ;
 569         pCntlBar->BarControl.MTID = 0;
 570         pCntlBar->BarControl.Compressed = 1;
 571         pCntlBar->BarControl.ACKPolicy = 0;
 572
 573
 574         pCntlBar->Duration = 16 + RTMPCalcDuration(pAd, RATE_1, sizeof(FRAME_BA));
 575
 576         COPY_MAC_ADDR(pCntlBar->Addr1, pDA);
 577         COPY_MAC_ADDR(pCntlBar->Addr2, pSA);
 578 }
 579
 580
 581 /*
 582         ==========================================================================
 583         Description:
 584                 Insert Category and action code into the action frame.
 585
 586         Parametrs:
 587                 1. frame buffer pointer.
 588                 2. frame length.
 589                 3. category code of the frame.
 590                 4. action code of the frame.
 591
 592         Return  : None.
 593         ==========================================================================
 594  */
 595 VOID InsertActField(
 596         IN PRTMP_ADAPTER pAd,
 597         OUT PUCHAR pFrameBuf,
 598         OUT PULONG pFrameLen,
 599         IN UINT8 Category,
 600         IN UINT8 ActCode)
 601 {
 602         ULONG TempLen;
 603
 604         MakeOutgoingFrame(      pFrameBuf,              &TempLen,
 605                                                 1,                              &Category,
 606                                                 1,                              &ActCode,
 607                                                 END_OF_ARGS);
 608
 609         *pFrameLen = *pFrameLen + TempLen;
 610
 611         return;
 612 }