git.oblomov.eu Git - linux-2.6/blob - drivers/staging/rt2870/common/cmm_sync.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         sync.c
  29
  30         Abstract:
  31
  32         Revision History:
  33         Who                     When                    What
  34         --------        ----------              ----------------------------------------------
  35         John Chang      2004-09-01      modified for rt2561/2661
  36 */
  37 #include "../rt_config.h"
  38
  39 // 2.4 Ghz channel plan index in the TxPower arrays.
  40 #define BG_BAND_REGION_0_START  0                       // 1,2,3,4,5,6,7,8,9,10,11
  41 #define BG_BAND_REGION_0_SIZE   11
  42 #define BG_BAND_REGION_1_START  0                       // 1,2,3,4,5,6,7,8,9,10,11,12,13
  43 #define BG_BAND_REGION_1_SIZE   13
  44 #define BG_BAND_REGION_2_START  9                       // 10,11
  45 #define BG_BAND_REGION_2_SIZE   2
  46 #define BG_BAND_REGION_3_START  9                       // 10,11,12,13
  47 #define BG_BAND_REGION_3_SIZE   4
  48 #define BG_BAND_REGION_4_START  13                      // 14
  49 #define BG_BAND_REGION_4_SIZE   1
  50 #define BG_BAND_REGION_5_START  0                       // 1,2,3,4,5,6,7,8,9,10,11,12,13,14
  51 #define BG_BAND_REGION_5_SIZE   14
  52 #define BG_BAND_REGION_6_START  2                       // 3,4,5,6,7,8,9
  53 #define BG_BAND_REGION_6_SIZE   7
  54 #define BG_BAND_REGION_7_START  4                       // 5,6,7,8,9,10,11,12,13
  55 #define BG_BAND_REGION_7_SIZE   9
  56 #define BG_BAND_REGION_31_START 0                       // 1,2,3,4,5,6,7,8,9,10,11,12,13,14
  57 #define BG_BAND_REGION_31_SIZE  14
  58
  59 // 5 Ghz channel plan index in the TxPower arrays.
  60 UCHAR A_BAND_REGION_0_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165};
  61 UCHAR A_BAND_REGION_1_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140};
  62 UCHAR A_BAND_REGION_2_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64};
  63 UCHAR A_BAND_REGION_3_CHANNEL_LIST[]={52, 56, 60, 64, 149, 153, 157, 161};
  64 UCHAR A_BAND_REGION_4_CHANNEL_LIST[]={149, 153, 157, 161, 165};
  65 UCHAR A_BAND_REGION_5_CHANNEL_LIST[]={149, 153, 157, 161};
  66 UCHAR A_BAND_REGION_6_CHANNEL_LIST[]={36, 40, 44, 48};
  67 UCHAR A_BAND_REGION_7_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 149, 153, 157, 161, 165};
  68 UCHAR A_BAND_REGION_8_CHANNEL_LIST[]={52, 56, 60, 64};
  69 UCHAR A_BAND_REGION_9_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 132, 136, 140, 149, 153, 157, 161, 165};
  70 UCHAR A_BAND_REGION_10_CHANNEL_LIST[]={36, 40, 44, 48, 149, 153, 157, 161, 165};
  71 UCHAR A_BAND_REGION_11_CHANNEL_LIST[]={36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 149, 153, 157, 161};
  72
  73 //BaSizeArray follows the 802.11n definition as MaxRxFactor.  2^(13+factor) bytes. When factor =0, it's about Ba buffer size =8.
  74 UCHAR BaSizeArray[4] = {8,16,32,64};
  75
  76 /*
  77         ==========================================================================
  78         Description:
  79                 Update StaCfg->ChannelList[] according to 1) Country Region 2) RF IC type,
  80                 and 3) PHY-mode user selected.
  81                 The outcome is used by driver when doing site survey.
  82
  83         IRQL = PASSIVE_LEVEL
  84         IRQL = DISPATCH_LEVEL
  85
  86         ==========================================================================
  87  */
  88 VOID BuildChannelList(
  89         IN PRTMP_ADAPTER pAd)
  90 {
  91         UCHAR i, j, index=0, num=0;
  92         PUCHAR  pChannelList = NULL;
  93
  94         NdisZeroMemory(pAd->ChannelList, MAX_NUM_OF_CHANNELS * sizeof(CHANNEL_TX_POWER));
  95
  96         // if not 11a-only mode, channel list starts from 2.4Ghz band
  97         if ((pAd->CommonCfg.PhyMode != PHY_11A)
  98 #ifdef DOT11_N_SUPPORT
  99                 && (pAd->CommonCfg.PhyMode != PHY_11AN_MIXED) && (pAd->CommonCfg.PhyMode != PHY_11N_5G)
 100 #endif // DOT11_N_SUPPORT //
 101         )
 102         {
 103                 switch (pAd->CommonCfg.CountryRegion  & 0x7f)
 104                 {
 105                         case REGION_0_BG_BAND:  // 1 -11
 106                                 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_0_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_0_SIZE);
 107                                 index += BG_BAND_REGION_0_SIZE;
 108                                 break;
 109                         case REGION_1_BG_BAND:  // 1 - 13
 110                                 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_1_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_1_SIZE);
 111                                 index += BG_BAND_REGION_1_SIZE;
 112                                 break;
 113                         case REGION_2_BG_BAND:  // 10 - 11
 114                                 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_2_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_2_SIZE);
 115                                 index += BG_BAND_REGION_2_SIZE;
 116                                 break;
 117                         case REGION_3_BG_BAND:  // 10 - 13
 118                                 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_3_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_3_SIZE);
 119                                 index += BG_BAND_REGION_3_SIZE;
 120                                 break;
 121                         case REGION_4_BG_BAND:  // 14
 122                                 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_4_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_4_SIZE);
 123                                 index += BG_BAND_REGION_4_SIZE;
 124                                 break;
 125                         case REGION_5_BG_BAND:  // 1 - 14
 126                                 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_5_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_5_SIZE);
 127                                 index += BG_BAND_REGION_5_SIZE;
 128                                 break;
 129                         case REGION_6_BG_BAND:  // 3 - 9
 130                                 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_6_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_6_SIZE);
 131                                 index += BG_BAND_REGION_6_SIZE;
 132                                 break;
 133                         case REGION_7_BG_BAND:  // 5 - 13
 134                                 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_7_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_7_SIZE);
 135                                 index += BG_BAND_REGION_7_SIZE;
 136                                 break;
 137                         case REGION_31_BG_BAND: // 1 - 14
 138                                 NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_31_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_31_SIZE);
 139                                 index += BG_BAND_REGION_31_SIZE;
 140                                 break;
 141                         default:            // Error. should never happen
 142                                 break;
 143                 }
 144                 for (i=0; i<index; i++)
 145                         pAd->ChannelList[i].MaxTxPwr = 20;
 146         }
 147
 148         if ((pAd->CommonCfg.PhyMode == PHY_11A) || (pAd->CommonCfg.PhyMode == PHY_11ABG_MIXED)
 149 #ifdef DOT11_N_SUPPORT
 150                 || (pAd->CommonCfg.PhyMode == PHY_11ABGN_MIXED) || (pAd->CommonCfg.PhyMode == PHY_11AN_MIXED)
 151                 || (pAd->CommonCfg.PhyMode == PHY_11AGN_MIXED) || (pAd->CommonCfg.PhyMode == PHY_11N_5G)
 152 #endif // DOT11_N_SUPPORT //
 153         )
 154         {
 155                 switch (pAd->CommonCfg.CountryRegionForABand & 0x7f)
 156                 {
 157                         case REGION_0_A_BAND:
 158                                 num = sizeof(A_BAND_REGION_0_CHANNEL_LIST)/sizeof(UCHAR);
 159                                 pChannelList = A_BAND_REGION_0_CHANNEL_LIST;
 160                                 break;
 161                         case REGION_1_A_BAND:
 162                                 num = sizeof(A_BAND_REGION_1_CHANNEL_LIST)/sizeof(UCHAR);
 163                                 pChannelList = A_BAND_REGION_1_CHANNEL_LIST;
 164                                 break;
 165                         case REGION_2_A_BAND:
 166                                 num = sizeof(A_BAND_REGION_2_CHANNEL_LIST)/sizeof(UCHAR);
 167                                 pChannelList = A_BAND_REGION_2_CHANNEL_LIST;
 168                                 break;
 169                         case REGION_3_A_BAND:
 170                                 num = sizeof(A_BAND_REGION_3_CHANNEL_LIST)/sizeof(UCHAR);
 171                                 pChannelList = A_BAND_REGION_3_CHANNEL_LIST;
 172                                 break;
 173                         case REGION_4_A_BAND:
 174                                 num = sizeof(A_BAND_REGION_4_CHANNEL_LIST)/sizeof(UCHAR);
 175                                 pChannelList = A_BAND_REGION_4_CHANNEL_LIST;
 176                                 break;
 177                         case REGION_5_A_BAND:
 178                                 num = sizeof(A_BAND_REGION_5_CHANNEL_LIST)/sizeof(UCHAR);
 179                                 pChannelList = A_BAND_REGION_5_CHANNEL_LIST;
 180                                 break;
 181                         case REGION_6_A_BAND:
 182                                 num = sizeof(A_BAND_REGION_6_CHANNEL_LIST)/sizeof(UCHAR);
 183                                 pChannelList = A_BAND_REGION_6_CHANNEL_LIST;
 184                                 break;
 185                         case REGION_7_A_BAND:
 186                                 num = sizeof(A_BAND_REGION_7_CHANNEL_LIST)/sizeof(UCHAR);
 187                                 pChannelList = A_BAND_REGION_7_CHANNEL_LIST;
 188                                 break;
 189                         case REGION_8_A_BAND:
 190                                 num = sizeof(A_BAND_REGION_8_CHANNEL_LIST)/sizeof(UCHAR);
 191                                 pChannelList = A_BAND_REGION_8_CHANNEL_LIST;
 192                                 break;
 193                         case REGION_9_A_BAND:
 194                                 num = sizeof(A_BAND_REGION_9_CHANNEL_LIST)/sizeof(UCHAR);
 195                                 pChannelList = A_BAND_REGION_9_CHANNEL_LIST;
 196                                 break;
 197
 198                         case REGION_10_A_BAND:
 199                                 num = sizeof(A_BAND_REGION_10_CHANNEL_LIST)/sizeof(UCHAR);
 200                                 pChannelList = A_BAND_REGION_10_CHANNEL_LIST;
 201                                 break;
 202
 203                         case REGION_11_A_BAND:
 204                                 num = sizeof(A_BAND_REGION_11_CHANNEL_LIST)/sizeof(UCHAR);
 205                                 pChannelList = A_BAND_REGION_11_CHANNEL_LIST;
 206                                 break;
 207
 208                         default:            // Error. should never happen
 209                                 DBGPRINT(RT_DEBUG_WARN,("countryregion=%d not support", pAd->CommonCfg.CountryRegionForABand));
 210                                 break;
 211                 }
 212
 213                 if (num != 0)
 214                 {
 215                         UCHAR RadarCh[15]={52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140};
 216                         for (i=0; i<num; i++)
 217                         {
 218                                 for (j=0; j<MAX_NUM_OF_CHANNELS; j++)
 219                                 {
 220                                         if (pChannelList[i] == pAd->TxPower[j].Channel)
 221                                                 NdisMoveMemory(&pAd->ChannelList[index+i], &pAd->TxPower[j], sizeof(CHANNEL_TX_POWER));
 222                                         }
 223                                 for (j=0; j<15; j++)
 224                                 {
 225                                         if (pChannelList[i] == RadarCh[j])
 226                                                 pAd->ChannelList[index+i].DfsReq = TRUE;
 227                                 }
 228                                 pAd->ChannelList[index+i].MaxTxPwr = 20;
 229                         }
 230                         index += num;
 231                 }
 232         }
 233
 234         pAd->ChannelListNum = index;
 235         DBGPRINT(RT_DEBUG_TRACE,("country code=%d/%d, RFIC=%d, PHY mode=%d, support %d channels\n",
 236                 pAd->CommonCfg.CountryRegion, pAd->CommonCfg.CountryRegionForABand, pAd->RfIcType, pAd->CommonCfg.PhyMode, pAd->ChannelListNum));
 237 #ifdef DBG
 238         for (i=0;i<pAd->ChannelListNum;i++)
 239         {
 240                 DBGPRINT_RAW(RT_DEBUG_TRACE,("BuildChannel # %d :: Pwr0 = %d, Pwr1 =%d, \n ", pAd->ChannelList[i].Channel, pAd->ChannelList[i].Power, pAd->ChannelList[i].Power2));
 241         }
 242 #endif
 243 }
 244
 245 /*
 246         ==========================================================================
 247         Description:
 248                 This routine return the first channel number according to the country
 249                 code selection and RF IC selection (signal band or dual band). It is called
 250                 whenever driver need to start a site survey of all supported channels.
 251         Return:
 252                 ch - the first channel number of current country code setting
 253
 254         IRQL = PASSIVE_LEVEL
 255
 256         ==========================================================================
 257  */
 258 UCHAR FirstChannel(
 259         IN PRTMP_ADAPTER pAd)
 260 {
 261         return pAd->ChannelList[0].Channel;
 262 }
 263
 264 /*
 265         ==========================================================================
 266         Description:
 267                 This routine returns the next channel number. This routine is called
 268                 during driver need to start a site survey of all supported channels.
 269         Return:
 270                 next_channel - the next channel number valid in current country code setting.
 271         Note:
 272                 return 0 if no more next channel
 273         ==========================================================================
 274  */
 275 UCHAR NextChannel(
 276         IN PRTMP_ADAPTER pAd,
 277         IN UCHAR channel)
 278 {
 279         int i;
 280         UCHAR next_channel = 0;
 281
 282         for (i = 0; i < (pAd->ChannelListNum - 1); i++)
 283                 if (channel == pAd->ChannelList[i].Channel)
 284                 {
 285                         next_channel = pAd->ChannelList[i+1].Channel;
 286                         break;
 287         }
 288         return next_channel;
 289 }
 290
 291 /*
 292         ==========================================================================
 293         Description:
 294                 This routine is for Cisco Compatible Extensions 2.X
 295                 Spec31. AP Control of Client Transmit Power
 296         Return:
 297                 None
 298         Note:
 299            Required by Aironet dBm(mW)
 300                    0dBm(1mW),   1dBm(5mW), 13dBm(20mW), 15dBm(30mW),
 301                   17dBm(50mw), 20dBm(100mW)
 302
 303            We supported
 304                    3dBm(Lowest), 6dBm(10%), 9dBm(25%), 12dBm(50%),
 305                   14dBm(75%),   15dBm(100%)
 306
 307                 The client station's actual transmit power shall be within +/- 5dB of
 308                 the minimum value or next lower value.
 309         ==========================================================================
 310  */
 311 VOID ChangeToCellPowerLimit(
 312         IN PRTMP_ADAPTER pAd,
 313         IN UCHAR         AironetCellPowerLimit)
 314 {
 315         //valud 0xFF means that hasn't found power limit information
 316         //from the AP's Beacon/Probe response.
 317         if (AironetCellPowerLimit == 0xFF)
 318                 return;
 319
 320         if (AironetCellPowerLimit < 6) //Used Lowest Power Percentage.
 321                 pAd->CommonCfg.TxPowerPercentage = 6;
 322         else if (AironetCellPowerLimit < 9)
 323                 pAd->CommonCfg.TxPowerPercentage = 10;
 324         else if (AironetCellPowerLimit < 12)
 325                 pAd->CommonCfg.TxPowerPercentage = 25;
 326         else if (AironetCellPowerLimit < 14)
 327                 pAd->CommonCfg.TxPowerPercentage = 50;
 328         else if (AironetCellPowerLimit < 15)
 329                 pAd->CommonCfg.TxPowerPercentage = 75;
 330         else
 331                 pAd->CommonCfg.TxPowerPercentage = 100; //else used maximum
 332
 333         if (pAd->CommonCfg.TxPowerPercentage > pAd->CommonCfg.TxPowerDefault)
 334                 pAd->CommonCfg.TxPowerPercentage = pAd->CommonCfg.TxPowerDefault;
 335
 336 }
 337
 338 CHAR    ConvertToRssi(
 339         IN PRTMP_ADAPTER pAd,
 340         IN      CHAR                    Rssi,
 341         IN  UCHAR   RssiNumber)
 342 {
 343         UCHAR   RssiOffset, LNAGain;
 344
 345         // Rssi equals to zero should be an invalid value
 346         if (Rssi == 0)
 347                 return -99;
 348
 349         LNAGain = GET_LNA_GAIN(pAd);
 350     if (pAd->LatchRfRegs.Channel > 14)
 351     {
 352         if (RssiNumber == 0)
 353                         RssiOffset = pAd->ARssiOffset0;
 354                 else if (RssiNumber == 1)
 355                         RssiOffset = pAd->ARssiOffset1;
 356                 else
 357                         RssiOffset = pAd->ARssiOffset2;
 358     }
 359     else
 360     {
 361         if (RssiNumber == 0)
 362                         RssiOffset = pAd->BGRssiOffset0;
 363                 else if (RssiNumber == 1)
 364                         RssiOffset = pAd->BGRssiOffset1;
 365                 else
 366                         RssiOffset = pAd->BGRssiOffset2;
 367     }
 368
 369     return (-12 - RssiOffset - LNAGain - Rssi);
 370 }
 371
 372 /*
 373         ==========================================================================
 374         Description:
 375                 Scan next channel
 376         ==========================================================================
 377  */
 378 VOID ScanNextChannel(
 379         IN PRTMP_ADAPTER pAd)
 380 {
 381         HEADER_802_11   Hdr80211;
 382         PUCHAR          pOutBuffer = NULL;
 383         NDIS_STATUS     NStatus;
 384         ULONG           FrameLen = 0;
 385         UCHAR           SsidLen = 0, ScanType = pAd->MlmeAux.ScanType, BBPValue = 0;
 386 #ifdef CONFIG_STA_SUPPORT
 387         USHORT          Status;
 388         PHEADER_802_11  pHdr80211;
 389 #endif // CONFIG_STA_SUPPORT //
 390         UINT                    ScanTimeIn5gChannel = SHORT_CHANNEL_TIME;
 391
 392 #ifdef CONFIG_STA_SUPPORT
 393         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 394         {
 395                 if (MONITOR_ON(pAd))
 396                         return;
 397         }
 398 #endif // CONFIG_STA_SUPPORT //
 399
 400         if (pAd->MlmeAux.Channel == 0)
 401         {
 402                 if ((pAd->CommonCfg.BBPCurrentBW == BW_40)
 403 #ifdef CONFIG_STA_SUPPORT
 404                         && (INFRA_ON(pAd)
 405                                 || (pAd->OpMode == OPMODE_AP))
 406 #endif // CONFIG_STA_SUPPORT //
 407                         )
 408                 {
 409                         AsicSwitchChannel(pAd, pAd->CommonCfg.CentralChannel, FALSE);
 410                         AsicLockChannel(pAd, pAd->CommonCfg.CentralChannel);
 411                         RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
 412                         BBPValue &= (~0x18);
 413                         BBPValue |= 0x10;
 414                         RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
 415                         DBGPRINT(RT_DEBUG_TRACE, ("SYNC - End of SCAN, restore to 40MHz channel %d, Total BSS[%02d]\n",pAd->CommonCfg.CentralChannel, pAd->ScanTab.BssNr));
 416                 }
 417                 else
 418                 {
 419                         AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
 420                         AsicLockChannel(pAd, pAd->CommonCfg.Channel);
 421                         DBGPRINT(RT_DEBUG_TRACE, ("SYNC - End of SCAN, restore to channel %d, Total BSS[%02d]\n",pAd->CommonCfg.Channel, pAd->ScanTab.BssNr));
 422                 }
 423
 424 #ifdef CONFIG_STA_SUPPORT
 425                 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 426                 {
 427                         //
 428                         // To prevent data lost.
 429                         // Send an NULL data with turned PSM bit on to current associated AP before SCAN progress.
 430                         // Now, we need to send an NULL data with turned PSM bit off to AP, when scan progress done
 431                         //
 432                         if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED) && (INFRA_ON(pAd)))
 433                         {
 434                                 NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer);
 435                                 if (NStatus     == NDIS_STATUS_SUCCESS)
 436                                 {
 437                                         pHdr80211 = (PHEADER_802_11) pOutBuffer;
 438                                         MgtMacHeaderInit(pAd, pHdr80211, SUBTYPE_NULL_FUNC, 1, pAd->CommonCfg.Bssid, pAd->CommonCfg.Bssid);
 439                                         pHdr80211->Duration = 0;
 440                                         pHdr80211->FC.Type = BTYPE_DATA;
 441                                         pHdr80211->FC.PwrMgmt = (pAd->StaCfg.Psm == PWR_SAVE);
 442
 443                                         // Send using priority queue
 444                                         MiniportMMRequest(pAd, 0, pOutBuffer, sizeof(HEADER_802_11));
 445                                         DBGPRINT(RT_DEBUG_TRACE, ("MlmeScanReqAction -- Send PSM Data frame\n"));
 446                                         MlmeFreeMemory(pAd, pOutBuffer);
 447                                         RTMPusecDelay(5000);
 448                                 }
 449                         }
 450
 451                         pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
 452                         Status = MLME_SUCCESS;
 453                         MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status);
 454                 }
 455 #endif // CONFIG_STA_SUPPORT //
 456
 457
 458                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS);
 459         }
 460 #ifdef RT2870
 461 #ifdef CONFIG_STA_SUPPORT
 462         else if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST) && (pAd->OpMode == OPMODE_STA))
 463         {
 464                 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
 465                 MlmeCntlConfirm(pAd, MT2_SCAN_CONF, MLME_FAIL_NO_RESOURCE);
 466         }
 467 #endif // CONFIG_STA_SUPPORT //
 468 #endif // RT2870 //
 469         else
 470         {
 471 #ifdef CONFIG_STA_SUPPORT
 472                 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 473                 {
 474                 // BBP and RF are not accessible in PS mode, we has to wake them up first
 475                 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
 476                         AsicForceWakeup(pAd, TRUE);
 477
 478                         // leave PSM during scanning. otherwise we may lost ProbeRsp & BEACON
 479                         if (pAd->StaCfg.Psm == PWR_SAVE)
 480                                 MlmeSetPsmBit(pAd, PWR_ACTIVE);
 481                 }
 482 #endif // CONFIG_STA_SUPPORT //
 483
 484                 AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, TRUE);
 485                 AsicLockChannel(pAd, pAd->MlmeAux.Channel);
 486
 487 #ifdef CONFIG_STA_SUPPORT
 488                 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 489                 {
 490                         if (pAd->MlmeAux.Channel > 14)
 491                         {
 492                                 if ((pAd->CommonCfg.bIEEE80211H == 1) && RadarChannelCheck(pAd, pAd->MlmeAux.Channel))
 493                                 {
 494                                         ScanType = SCAN_PASSIVE;
 495                                         ScanTimeIn5gChannel = MIN_CHANNEL_TIME;
 496                                 }
 497                         }
 498                 }
 499 #endif // CONFIG_STA_SUPPORT //
 500
 501                 //Global country domain(ch1-11:active scan, ch12-14 passive scan)
 502                 if ((pAd->MlmeAux.Channel <= 14) && (pAd->MlmeAux.Channel >= 12) && ((pAd->CommonCfg.CountryRegion & 0x7f) == REGION_31_BG_BAND))
 503                 {
 504                         ScanType = SCAN_PASSIVE;
 505                 }
 506
 507                 // We need to shorten active scan time in order for WZC connect issue
 508                 // Chnage the channel scan time for CISCO stuff based on its IAPP announcement
 509                 if (ScanType == FAST_SCAN_ACTIVE)
 510                         RTMPSetTimer(&pAd->MlmeAux.ScanTimer, FAST_ACTIVE_SCAN_TIME);
 511 #ifdef CONFIG_STA_SUPPORT
 512                 else if (((ScanType == SCAN_CISCO_ACTIVE) ||
 513                                 (ScanType == SCAN_CISCO_PASSIVE) ||
 514                                 (ScanType == SCAN_CISCO_CHANNEL_LOAD) ||
 515                                 (ScanType == SCAN_CISCO_NOISE)) && (pAd->OpMode == OPMODE_STA))
 516                 {
 517                         if (pAd->StaCfg.CCXScanTime < 25)
 518                                 RTMPSetTimer(&pAd->MlmeAux.ScanTimer, pAd->StaCfg.CCXScanTime * 2);
 519                         else
 520                                 RTMPSetTimer(&pAd->MlmeAux.ScanTimer, pAd->StaCfg.CCXScanTime);
 521                 }
 522 #endif // CONFIG_STA_SUPPORT //
 523                 else // must be SCAN_PASSIVE or SCAN_ACTIVE
 524                 {
 525                         if ((pAd->CommonCfg.PhyMode == PHY_11ABG_MIXED)
 526 #ifdef DOT11_N_SUPPORT
 527                                 || (pAd->CommonCfg.PhyMode == PHY_11ABGN_MIXED) || (pAd->CommonCfg.PhyMode == PHY_11AGN_MIXED)
 528 #endif // DOT11_N_SUPPORT //
 529                         )
 530                         {
 531                                 if (pAd->MlmeAux.Channel > 14)
 532                                         RTMPSetTimer(&pAd->MlmeAux.ScanTimer, ScanTimeIn5gChannel);
 533                                 else
 534                                 RTMPSetTimer(&pAd->MlmeAux.ScanTimer, MIN_CHANNEL_TIME);
 535                         }
 536                         else
 537                                 RTMPSetTimer(&pAd->MlmeAux.ScanTimer, MAX_CHANNEL_TIME);
 538                 }
 539
 540                 if ((ScanType == SCAN_ACTIVE) || (ScanType == FAST_SCAN_ACTIVE) ||
 541                         (ScanType == SCAN_CISCO_ACTIVE))
 542                 {
 543                         NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);  //Get an unused nonpaged memory
 544                         if (NStatus != NDIS_STATUS_SUCCESS)
 545                         {
 546                                 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - ScanNextChannel() allocate memory fail\n"));
 547 #ifdef CONFIG_STA_SUPPORT
 548                                 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 549                                 {
 550                                         pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
 551                                         Status = MLME_FAIL_NO_RESOURCE;
 552                                         MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status);
 553                                 }
 554 #endif // CONFIG_STA_SUPPORT //
 555
 556                                 return;
 557                         }
 558
 559                         // There is no need to send broadcast probe request if active scan is in effect.
 560                         if ((ScanType == SCAN_ACTIVE) || (ScanType == FAST_SCAN_ACTIVE)
 561                                 )
 562                                 SsidLen = pAd->MlmeAux.SsidLen;
 563                         else
 564                                 SsidLen = 0;
 565
 566                         MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, BROADCAST_ADDR, BROADCAST_ADDR);
 567                         MakeOutgoingFrame(pOutBuffer,               &FrameLen,
 568                                                           sizeof(HEADER_802_11),    &Hdr80211,
 569                                                           1,                        &SsidIe,
 570                                                           1,                        &SsidLen,
 571                                                           SsidLen,                              pAd->MlmeAux.Ssid,
 572                                                           1,                        &SupRateIe,
 573                                                           1,                        &pAd->CommonCfg.SupRateLen,
 574                                                           pAd->CommonCfg.SupRateLen,  pAd->CommonCfg.SupRate,
 575                                                           END_OF_ARGS);
 576
 577                         if (pAd->CommonCfg.ExtRateLen)
 578                         {
 579                                 ULONG Tmp;
 580                                 MakeOutgoingFrame(pOutBuffer + FrameLen,            &Tmp,
 581                                                                   1,                                &ExtRateIe,
 582                                                                   1,                                &pAd->CommonCfg.ExtRateLen,
 583                                                                   pAd->CommonCfg.ExtRateLen,          pAd->CommonCfg.ExtRate,
 584                                                                   END_OF_ARGS);
 585                                 FrameLen += Tmp;
 586                         }
 587
 588 #ifdef DOT11_N_SUPPORT
 589                         if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
 590                         {
 591                                 ULONG   Tmp;
 592                                 UCHAR   HtLen;
 593                                 UCHAR   BROADCOM[4] = {0x0, 0x90, 0x4c, 0x33};
 594 #ifdef RT_BIG_ENDIAN
 595                                 HT_CAPABILITY_IE HtCapabilityTmp;
 596 #endif
 597                                 if (pAd->bBroadComHT == TRUE)
 598                                 {
 599                                         HtLen = pAd->MlmeAux.HtCapabilityLen + 4;
 600 #ifdef RT_BIG_ENDIAN
 601                                         NdisMoveMemory(&HtCapabilityTmp, &pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE);
 602                                         *(USHORT *)(&HtCapabilityTmp.HtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.HtCapInfo));
 603                                         *(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo));
 604
 605                                         MakeOutgoingFrame(pOutBuffer + FrameLen,          &Tmp,
 606                                                                         1,                                &WpaIe,
 607                                                                         1,                                &HtLen,
 608                                                                         4,                                &BROADCOM[0],
 609                                                                         pAd->MlmeAux.HtCapabilityLen,     &HtCapabilityTmp,
 610                                                                         END_OF_ARGS);
 611 #else
 612                                         MakeOutgoingFrame(pOutBuffer + FrameLen,          &Tmp,
 613                                                                         1,                                &WpaIe,
 614                                                                         1,                                &HtLen,
 615                                                                         4,                                &BROADCOM[0],
 616                                                                         pAd->MlmeAux.HtCapabilityLen,     &pAd->MlmeAux.HtCapability,
 617                                                                         END_OF_ARGS);
 618 #endif // RT_BIG_ENDIAN //
 619                                 }
 620                                 else
 621                                 {
 622                                         HtLen = pAd->MlmeAux.HtCapabilityLen;
 623 #ifdef RT_BIG_ENDIAN
 624                                         NdisMoveMemory(&HtCapabilityTmp, &pAd->CommonCfg.HtCapability, SIZE_HT_CAP_IE);
 625                                         *(USHORT *)(&HtCapabilityTmp.HtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.HtCapInfo));
 626                                         *(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo));
 627
 628                                         MakeOutgoingFrame(pOutBuffer + FrameLen,          &Tmp,
 629                                                                         1,                                &HtCapIe,
 630                                                                         1,                                &HtLen,
 631                                                                         HtLen,                            &HtCapabilityTmp,
 632                                                                         END_OF_ARGS);
 633 #else
 634                                         MakeOutgoingFrame(pOutBuffer + FrameLen,          &Tmp,
 635                                                                         1,                                &HtCapIe,
 636                                                                         1,                                &HtLen,
 637                                                                         HtLen,                            &pAd->CommonCfg.HtCapability,
 638                                                                         END_OF_ARGS);
 639 #endif // RT_BIG_ENDIAN //
 640                                 }
 641                                 FrameLen += Tmp;
 642
 643 #ifdef DOT11N_DRAFT3
 644                                 if (pAd->CommonCfg.BACapability.field.b2040CoexistScanSup == 1)
 645                                 {
 646                                         ULONG           Tmp;
 647                                         HtLen = 1;
 648                                         MakeOutgoingFrame(pOutBuffer + FrameLen,            &Tmp,
 649                                                                           1,                                    &ExtHtCapIe,
 650                                                                           1,                                    &HtLen,
 651                                                                           1,                            &pAd->CommonCfg.BSSCoexist2040.word,
 652                                                                           END_OF_ARGS);
 653
 654                                         FrameLen += Tmp;
 655                                 }
 656 #endif // DOT11N_DRAFT3 //
 657                         }
 658 #endif // DOT11_N_SUPPORT //
 659
 660
 661                         MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
 662                         MlmeFreeMemory(pAd, pOutBuffer);
 663                 }
 664
 665                 // For SCAN_CISCO_PASSIVE, do nothing and silently wait for beacon or other probe reponse
 666
 667 #ifdef CONFIG_STA_SUPPORT
 668                 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 669                         pAd->Mlme.SyncMachine.CurrState = SCAN_LISTEN;
 670 #endif // CONFIG_STA_SUPPORT //
 671
 672         }
 673 }
 674
 675 VOID MgtProbReqMacHeaderInit(
 676         IN      PRTMP_ADAPTER   pAd,
 677         IN OUT PHEADER_802_11 pHdr80211,
 678         IN UCHAR SubType,
 679         IN UCHAR ToDs,
 680         IN PUCHAR pDA,
 681         IN PUCHAR pBssid)
 682 {
 683         NdisZeroMemory(pHdr80211, sizeof(HEADER_802_11));
 684
 685         pHdr80211->FC.Type = BTYPE_MGMT;
 686         pHdr80211->FC.SubType = SubType;
 687         if (SubType == SUBTYPE_ACK)
 688                 pHdr80211->FC.Type = BTYPE_CNTL;
 689         pHdr80211->FC.ToDs = ToDs;
 690         COPY_MAC_ADDR(pHdr80211->Addr1, pDA);
 691         COPY_MAC_ADDR(pHdr80211->Addr2, pAd->CurrentAddress);
 692         COPY_MAC_ADDR(pHdr80211->Addr3, pBssid);
 693 }
 694
 695