drivers/staging/rtl8192e/rtl819x_HTProc.c

   1 /******************************************************************************
   2  * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
   3  *
   4  * This program is distributed in the hope that it will be useful, but WITHOUT
   5  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   6  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   7  * more details.
   8  *
   9  * You should have received a copy of the GNU General Public License along with
  10  * this program; if not, write to the Free Software Foundation, Inc.,
  11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  12  *
  13  * The full GNU General Public License is included in this distribution in the
  14  * file called LICENSE.
  15  *
  16  * Contact Information:
  17  * wlanfae <wlanfae@realtek.com>
  18 ******************************************************************************/
  19 #include "rtllib.h"
  20 #include "rtl819x_HT.h"
  21 u8 MCS_FILTER_ALL[16] = {
  22         0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  23         0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
  24 };
  25
  26 u8 MCS_FILTER_1SS[16] = {
  27         0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
  28         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
  29 ;
  30
  31 u16 MCS_DATA_RATE[2][2][77] = {
  32         {{13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78, 104, 156, 208, 234,
  33          260, 39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416,
  34          468, 520, 0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182,
  35          182, 208, 156, 195, 195, 234, 273, 273, 312, 130, 156, 181, 156,
  36          181, 208, 234, 208, 234, 260, 260, 286, 195, 234, 273, 234, 273,
  37          312, 351, 312, 351, 390, 390, 429} ,
  38         {14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289,
  39          43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520,
  40          578, 0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231,
  41          173, 217, 217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260,
  42          231, 260, 289, 289, 318, 217, 260, 303, 260, 303, 347, 390, 347, 390,
  43          433, 433, 477} } ,
  44         {{27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486,
  45          540, 81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648,
  46          864, 972, 1080, 12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324,
  47          378, 378, 432, 324, 405, 405, 486, 567, 567, 648, 270, 324, 378, 324,
  48          378, 432, 486, 432, 486, 540, 540, 594, 405, 486, 567, 486, 567, 648,
  49          729, 648, 729, 810, 810, 891},
  50         {30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540,
  51          600, 90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720,
  52          960, 1080, 1200, 13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360,
  53          420, 420, 480, 360, 450, 450, 540, 630, 630, 720, 300, 360, 420, 360,
  54          420, 480, 540, 480, 540, 600, 600, 660, 450, 540, 630, 540, 630, 720,
  55          810, 720, 810, 900, 900, 990} }
  56 };
  57
  58 static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
  59
  60 static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
  61
  62 static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e};
  63
  64 static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f};
  65
  66 static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf};
  67
  68 static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc};
  69
  70 static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e};
  71
  72 static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
  73
  74 static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0};
  75
  76 static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91};
  77
  78 static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
  79
  80 static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4};
  81
  82 void HTUpdateDefaultSetting(struct rtllib_device *ieee)
  83 {
  84         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
  85
  86         pHTInfo->bAcceptAddbaReq = 1;
  87
  88         pHTInfo->bRegShortGI20MHz = 1;
  89         pHTInfo->bRegShortGI40MHz = 1;
  90
  91         pHTInfo->bRegBW40MHz = 1;
  92
  93         if (pHTInfo->bRegBW40MHz)
  94                 pHTInfo->bRegSuppCCK = 1;
  95         else
  96                 pHTInfo->bRegSuppCCK = true;
  97
  98         pHTInfo->nAMSDU_MaxSize = 7935UL;
  99         pHTInfo->bAMSDU_Support = 0;
 100
 101         pHTInfo->bAMPDUEnable = 1;
 102         pHTInfo->AMPDU_Factor = 2;
 103         pHTInfo->MPDU_Density = 0;
 104
 105         pHTInfo->SelfMimoPs = 3;
 106         if (pHTInfo->SelfMimoPs == 2)
 107                 pHTInfo->SelfMimoPs = 3;
 108         ieee->bTxDisableRateFallBack = 0;
 109         ieee->bTxUseDriverAssingedRate = 0;
 110
 111         ieee->bTxEnableFwCalcDur = 1;
 112
 113         pHTInfo->bRegRT2RTAggregation = 1;
 114
 115         pHTInfo->bRegRxReorderEnable = 1;
 116         pHTInfo->RxReorderWinSize = 64;
 117         pHTInfo->RxReorderPendingTime = 30;
 118 }
 119
 120 void HTDebugHTCapability(u8 *CapIE, u8 *TitleString)
 121 {
 122
 123         static u8       EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
 124         struct ht_capab_ele *pCapELE;
 125
 126         if (!memcmp(CapIE, EWC11NHTCap, sizeof(EWC11NHTCap))) {
 127                 RTLLIB_DEBUG(RTLLIB_DL_HT, "EWC IE in %s()\n", __func__);
 128                 pCapELE = (struct ht_capab_ele *)(&CapIE[4]);
 129         } else
 130                 pCapELE = (struct ht_capab_ele *)(&CapIE[0]);
 131
 132         RTLLIB_DEBUG(RTLLIB_DL_HT, "<Log HT Capability>. Called by %s\n",
 133                      TitleString);
 134
 135         RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tSupported Channel Width = %s\n",
 136                      (pCapELE->ChlWidth) ? "20MHz" : "20/40MHz");
 137         RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tSupport Short GI for 20M = %s\n",
 138                      (pCapELE->ShortGI20Mhz) ? "YES" : "NO");
 139         RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tSupport Short GI for 40M = %s\n",
 140                      (pCapELE->ShortGI40Mhz) ? "YES" : "NO");
 141         RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tSupport TX STBC = %s\n",
 142                      (pCapELE->TxSTBC) ? "YES" : "NO");
 143         RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tMax AMSDU Size = %s\n",
 144                      (pCapELE->MaxAMSDUSize) ? "3839" : "7935");
 145         RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tSupport CCK in 20/40 mode = %s\n",
 146                      (pCapELE->DssCCk) ? "YES" : "NO");
 147         RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tMax AMPDU Factor = %d\n",
 148                      pCapELE->MaxRxAMPDUFactor);
 149         RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tMPDU Density = %d\n",
 150                      pCapELE->MPDUDensity);
 151         RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tMCS Rate Set = [%x][%x][%x][%x][%x]\n",
 152                      pCapELE->MCS[0], pCapELE->MCS[1], pCapELE->MCS[2],
 153                      pCapELE->MCS[3], pCapELE->MCS[4]);
 154         return;
 155
 156 }
 157
 158 void HTDebugHTInfo(u8 *InfoIE, u8 *TitleString)
 159 {
 160
 161         static u8       EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};
 162         struct ht_info_ele *pHTInfoEle;
 163
 164         if (!memcmp(InfoIE, EWC11NHTInfo, sizeof(EWC11NHTInfo))) {
 165                 RTLLIB_DEBUG(RTLLIB_DL_HT, "EWC IE in %s()\n", __func__);
 166                 pHTInfoEle = (struct ht_info_ele *)(&InfoIE[4]);
 167         } else
 168                 pHTInfoEle = (struct ht_info_ele *)(&InfoIE[0]);
 169
 170
 171         RTLLIB_DEBUG(RTLLIB_DL_HT, "<Log HT Information Element>. "
 172                      "Called by %s\n", TitleString);
 173
 174         RTLLIB_DEBUG(RTLLIB_DL_HT, "\tPrimary channel = %d\n",
 175                      pHTInfoEle->ControlChl);
 176         RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSenondary channel =");
 177         switch (pHTInfoEle->ExtChlOffset) {
 178         case 0:
 179                 RTLLIB_DEBUG(RTLLIB_DL_HT, "Not Present\n");
 180                 break;
 181         case 1:
 182                 RTLLIB_DEBUG(RTLLIB_DL_HT, "Upper channel\n");
 183                 break;
 184         case 2:
 185                 RTLLIB_DEBUG(RTLLIB_DL_HT, "Reserved. Eooro!!!\n");
 186                 break;
 187         case 3:
 188                 RTLLIB_DEBUG(RTLLIB_DL_HT, "Lower Channel\n");
 189                 break;
 190         }
 191         RTLLIB_DEBUG(RTLLIB_DL_HT, "\tRecommended channel width = %s\n",
 192                      (pHTInfoEle->RecommemdedTxWidth) ? "20Mhz" : "40Mhz");
 193
 194         RTLLIB_DEBUG(RTLLIB_DL_HT, "\tOperation mode for protection = ");
 195         switch (pHTInfoEle->OptMode) {
 196         case 0:
 197                 RTLLIB_DEBUG(RTLLIB_DL_HT, "No Protection\n");
 198                 break;
 199         case 1:
 200                 RTLLIB_DEBUG(RTLLIB_DL_HT, "HT non-member protection mode\n");
 201                 break;
 202         case 2:
 203                 RTLLIB_DEBUG(RTLLIB_DL_HT, "Suggest to open protection\n");
 204                 break;
 205         case 3:
 206                 RTLLIB_DEBUG(RTLLIB_DL_HT, "HT mixed mode\n");
 207                 break;
 208         }
 209
 210         RTLLIB_DEBUG(RTLLIB_DL_HT, "\tBasic MCS Rate Set = [%x][%x][%x][%x]"
 211                      "[%x]\n", pHTInfoEle->BasicMSC[0], pHTInfoEle->BasicMSC[1],
 212                      pHTInfoEle->BasicMSC[2], pHTInfoEle->BasicMSC[3],
 213                      pHTInfoEle->BasicMSC[4]);
 214         return;
 215 }
 216
 217 static bool IsHTHalfNmode40Bandwidth(struct rtllib_device *ieee)
 218 {
 219         bool                    retValue = false;
 220         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 221
 222         if (pHTInfo->bCurrentHTSupport == false)
 223                 retValue = false;
 224         else if (pHTInfo->bRegBW40MHz == false)
 225                 retValue = false;
 226         else if (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
 227                 retValue = false;
 228         else if (((struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf))->ChlWidth)
 229                 retValue = true;
 230         else
 231                 retValue = false;
 232
 233         return retValue;
 234 }
 235
 236 static bool IsHTHalfNmodeSGI(struct rtllib_device *ieee, bool is40MHz)
 237 {
 238         bool                    retValue = false;
 239         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 240
 241         if (pHTInfo->bCurrentHTSupport == false)
 242                 retValue = false;
 243         else if (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
 244                 retValue = false;
 245         else if (is40MHz) {
 246                 if (((struct ht_capab_ele *)
 247                     (pHTInfo->PeerHTCapBuf))->ShortGI40Mhz)
 248                         retValue = true;
 249                 else
 250                         retValue = false;
 251         } else {
 252                 if (((struct ht_capab_ele *)
 253                    (pHTInfo->PeerHTCapBuf))->ShortGI20Mhz)
 254                         retValue = true;
 255                 else
 256                         retValue = false;
 257         }
 258
 259         return retValue;
 260 }
 261
 262 u16 HTHalfMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate)
 263 {
 264
 265         u8      is40MHz;
 266         u8      isShortGI;
 267
 268         is40MHz  =  (IsHTHalfNmode40Bandwidth(ieee)) ? 1 : 0;
 269         isShortGI = (IsHTHalfNmodeSGI(ieee, is40MHz)) ? 1 : 0;
 270
 271         return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)];
 272 }
 273
 274
 275 u16 HTMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate)
 276 {
 277         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 278
 279         u8      is40MHz = (pHTInfo->bCurBW40MHz) ? 1 : 0;
 280         u8      isShortGI = (pHTInfo->bCurBW40MHz) ?
 281                             ((pHTInfo->bCurShortGI40MHz) ? 1 : 0) :
 282                             ((pHTInfo->bCurShortGI20MHz) ? 1 : 0);
 283         return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)];
 284 }
 285
 286 u16  TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate)
 287 {
 288         u16     CCKOFDMRate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18,
 289                                    0x24, 0x30, 0x48, 0x60, 0x6c};
 290         u8      is40MHz = 0;
 291         u8      isShortGI = 0;
 292
 293         if (nDataRate < 12) {
 294                 return CCKOFDMRate[nDataRate];
 295         } else {
 296                 if (nDataRate >= 0x10 && nDataRate <= 0x1f) {
 297                         is40MHz = 0;
 298                         isShortGI = 0;
 299                 } else if (nDataRate >= 0x20  && nDataRate <= 0x2f) {
 300                         is40MHz = 1;
 301                         isShortGI = 0;
 302
 303                 } else if (nDataRate >= 0x30  && nDataRate <= 0x3f) {
 304                         is40MHz = 0;
 305                         isShortGI = 1;
 306                 } else if (nDataRate >= 0x40  && nDataRate <= 0x4f) {
 307                         is40MHz = 1;
 308                         isShortGI = 1;
 309                 }
 310                 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf];
 311         }
 312 }
 313
 314 bool IsHTHalfNmodeAPs(struct rtllib_device *ieee)
 315 {
 316         bool                    retValue = false;
 317         struct rtllib_network *net = &ieee->current_network;
 318
 319         if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
 320             (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
 321             (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
 322             (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
 323             (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
 324             (net->ralink_cap_exist))
 325                 retValue = true;
 326         else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
 327                 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
 328                 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ||
 329                 (net->broadcom_cap_exist))
 330                 retValue = true;
 331         else if (net->bssht.bdRT2RTAggregation)
 332                 retValue = true;
 333         else
 334                 retValue = false;
 335
 336         return retValue;
 337 }
 338
 339 static void HTIOTPeerDetermine(struct rtllib_device *ieee)
 340 {
 341         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 342         struct rtllib_network *net = &ieee->current_network;
 343         if (net->bssht.bdRT2RTAggregation) {
 344                 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
 345                 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE)
 346                         pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE;
 347                 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP)
 348                         pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP;
 349         } else if (net->broadcom_cap_exist)
 350                 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
 351         else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
 352                  !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
 353                  !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3))
 354                 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
 355         else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
 356                  (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
 357                  (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
 358                  (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
 359                  (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
 360                   net->ralink_cap_exist)
 361                 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
 362         else if ((net->atheros_cap_exist) ||
 363                 (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0) ||
 364                 (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0))
 365                 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
 366         else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) ||
 367                   net->cisco_cap_exist)
 368                 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
 369         else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
 370                   net->marvell_cap_exist)
 371                 pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL;
 372         else if (net->airgo_cap_exist)
 373                 pHTInfo->IOTPeer = HT_IOT_PEER_AIRGO;
 374         else
 375                 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
 376
 377         RTLLIB_DEBUG(RTLLIB_DL_IOT, "Joseph debug!! IOTPEER: %x\n",
 378                      pHTInfo->IOTPeer);
 379 }
 380
 381 static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr)
 382 {
 383         return 0;
 384 }
 385
 386
 387 static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee)
 388 {
 389         bool retValue = false;
 390
 391         return retValue;
 392 }
 393
 394 static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee)
 395 {
 396         return false;
 397 }
 398
 399 static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee, u8 *PeerMacAddr)
 400 {
 401         return false;
 402 }
 403
 404 static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee,
 405                                  struct rtllib_network *network)
 406 {
 407         u8      retValue = 0;
 408
 409
 410         if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
 411                 retValue = 1;
 412
 413         return retValue;
 414 }
 415
 416 static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee)
 417 {
 418         u8      retValue = 0;
 419
 420         if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
 421                 retValue = 1;
 422         return retValue;
 423 }
 424
 425 static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss)
 426 {
 427         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 428         pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL;
 429
 430         if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss)
 431                 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R;
 432
 433         if (pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE)
 434                 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU;
 435
 436 }
 437
 438 void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo)
 439 {
 440         pHTInfo->IOTAction = 0;
 441         pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
 442         pHTInfo->IOTRaFunc = 0;
 443 }
 444
 445 void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap,
 446                                   u8 *len, u8 IsEncrypt, bool bAssoc)
 447 {
 448         struct rt_hi_throughput *pHT = ieee->pHTInfo;
 449         struct ht_capab_ele *pCapELE = NULL;
 450
 451         if ((posHTCap == NULL) || (pHT == NULL)) {
 452                 RTLLIB_DEBUG(RTLLIB_DL_ERR, "posHTCap or pHTInfo can't be "
 453                              "null in HTConstructCapabilityElement()\n");
 454                 return;
 455         }
 456         memset(posHTCap, 0, *len);
 457
 458         if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) {
 459                 u8      EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
 460                 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
 461                 pCapELE = (struct ht_capab_ele *)&(posHTCap[4]);
 462                 *len = 30 + 2;
 463         } else {
 464                 pCapELE = (struct ht_capab_ele *)posHTCap;
 465                 *len = 26 + 2;
 466         }
 467
 468         pCapELE->AdvCoding              = 0;
 469         if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
 470                 pCapELE->ChlWidth = 0;
 471         else
 472                 pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0);
 473
 474         pCapELE->MimoPwrSave            = pHT->SelfMimoPs;
 475         pCapELE->GreenField             = 0;
 476         pCapELE->ShortGI20Mhz           = 1;
 477         pCapELE->ShortGI40Mhz           = 1;
 478
 479         pCapELE->TxSTBC                 = 1;
 480         pCapELE->RxSTBC                 = 0;
 481         pCapELE->DelayBA                = 0;
 482         pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0;
 483         pCapELE->DssCCk = ((pHT->bRegBW40MHz) ? (pHT->bRegSuppCCK ? 1 : 0) : 0);
 484         pCapELE->PSMP = 0;
 485         pCapELE->LSigTxopProtect = 0;
 486
 487
 488         RTLLIB_DEBUG(RTLLIB_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d "
 489                      "DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize,
 490                      pCapELE->DssCCk);
 491
 492         if (IsEncrypt) {
 493                 pCapELE->MPDUDensity    = 7;
 494                 pCapELE->MaxRxAMPDUFactor       = 2;
 495         } else {
 496                 pCapELE->MaxRxAMPDUFactor       = 3;
 497                 pCapELE->MPDUDensity    = 0;
 498         }
 499
 500         memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16);
 501         memset(&pCapELE->ExtHTCapInfo, 0, 2);
 502         memset(pCapELE->TxBFCap, 0, 4);
 503
 504         pCapELE->ASCap = 0;
 505
 506         if (bAssoc) {
 507                 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15)
 508                         pCapELE->MCS[1] &= 0x7f;
 509
 510                 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14)
 511                         pCapELE->MCS[1] &= 0xbf;
 512
 513                 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS)
 514                         pCapELE->MCS[1] &= 0x00;
 515
 516                 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI)
 517                         pCapELE->ShortGI40Mhz           = 0;
 518
 519                 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) {
 520                         pCapELE->ChlWidth = 0;
 521                         pCapELE->MCS[1] = 0;
 522                 }
 523         }
 524         return;
 525 }
 526
 527 void HTConstructInfoElement(struct rtllib_device *ieee, u8 *posHTInfo,
 528                             u8 *len, u8 IsEncrypt)
 529 {
 530         struct rt_hi_throughput *pHT = ieee->pHTInfo;
 531         struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo;
 532         if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) {
 533                 RTLLIB_DEBUG(RTLLIB_DL_ERR, "posHTInfo or pHTInfoEle can't be "
 534                              "null in HTConstructInfoElement()\n");
 535                 return;
 536         }
 537
 538         memset(posHTInfo, 0, *len);
 539         if ((ieee->iw_mode == IW_MODE_ADHOC) ||
 540             (ieee->iw_mode == IW_MODE_MASTER)) {
 541                 pHTInfoEle->ControlChl  = ieee->current_network.channel;
 542                 pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false) ?
 543                                             HT_EXTCHNL_OFFSET_NO_EXT :
 544                                             (ieee->current_network.channel <= 6)
 545                                             ? HT_EXTCHNL_OFFSET_UPPER :
 546                                             HT_EXTCHNL_OFFSET_LOWER);
 547                 pHTInfoEle->RecommemdedTxWidth  = pHT->bRegBW40MHz;
 548                 pHTInfoEle->RIFS                        = 0;
 549                 pHTInfoEle->PSMPAccessOnly              = 0;
 550                 pHTInfoEle->SrvIntGranularity           = 0;
 551                 pHTInfoEle->OptMode                     = pHT->CurrentOpMode;
 552                 pHTInfoEle->NonGFDevPresent             = 0;
 553                 pHTInfoEle->DualBeacon                  = 0;
 554                 pHTInfoEle->SecondaryBeacon             = 0;
 555                 pHTInfoEle->LSigTxopProtectFull         = 0;
 556                 pHTInfoEle->PcoActive                   = 0;
 557                 pHTInfoEle->PcoPhase                    = 0;
 558
 559                 memset(pHTInfoEle->BasicMSC, 0, 16);
 560
 561
 562                 *len = 22 + 2;
 563
 564         } else {
 565                 *len = 0;
 566         }
 567         return;
 568 }
 569
 570 void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg,
 571                                 u8 *len)
 572 {
 573         if (posRT2RTAgg == NULL) {
 574                 RTLLIB_DEBUG(RTLLIB_DL_ERR, "posRT2RTAgg can't be null in "
 575                              "HTConstructRT2RTAggElement()\n");
 576                 return;
 577         }
 578         memset(posRT2RTAgg, 0, *len);
 579         *posRT2RTAgg++ = 0x00;
 580         *posRT2RTAgg++ = 0xe0;
 581         *posRT2RTAgg++ = 0x4c;
 582         *posRT2RTAgg++ = 0x02;
 583         *posRT2RTAgg++ = 0x01;
 584
 585         *posRT2RTAgg = 0x30;
 586
 587         if (ieee->bSupportRemoteWakeUp)
 588                 *posRT2RTAgg |= RT_HT_CAP_USE_WOW;
 589
 590         *len = 6 + 2;
 591
 592         return;
 593 }
 594
 595 static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS)
 596 {
 597         u8 i;
 598         if (pOperateMCS == NULL) {
 599                 RTLLIB_DEBUG(RTLLIB_DL_ERR, "pOperateMCS can't be null"
 600                              " in HT_PickMCSRate()\n");
 601                 return false;
 602         }
 603
 604         switch (ieee->mode) {
 605         case IEEE_A:
 606         case IEEE_B:
 607         case IEEE_G:
 608                 for (i = 0; i <= 15; i++)
 609                         pOperateMCS[i] = 0;
 610                 break;
 611         case IEEE_N_24G:
 612         case IEEE_N_5G:
 613                 pOperateMCS[0] &= RATE_ADPT_1SS_MASK;
 614                 pOperateMCS[1] &= RATE_ADPT_2SS_MASK;
 615                 pOperateMCS[3] &= RATE_ADPT_MCS32_MASK;
 616                 break;
 617         default:
 618                 break;
 619
 620         }
 621
 622         return true;
 623 }
 624
 625 u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet,
 626                        u8 *pMCSFilter)
 627 {
 628         u8              i, j;
 629         u8              bitMap;
 630         u8              mcsRate = 0;
 631         u8              availableMcsRate[16];
 632         if (pMCSRateSet == NULL || pMCSFilter == NULL) {
 633                 RTLLIB_DEBUG(RTLLIB_DL_ERR, "pMCSRateSet or pMCSFilter can't "
 634                              "be null in HTGetHighestMCSRate()\n");
 635                 return false;
 636         }
 637         for (i = 0; i < 16; i++)
 638                 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
 639
 640         for (i = 0; i < 16; i++) {
 641                 if (availableMcsRate[i] != 0)
 642                         break;
 643         }
 644         if (i == 16)
 645                 return false;
 646
 647         for (i = 0; i < 16; i++) {
 648                 if (availableMcsRate[i] != 0) {
 649                         bitMap = availableMcsRate[i];
 650                         for (j = 0; j < 8; j++) {
 651                                 if ((bitMap%2) != 0) {
 652                                         if (HTMcsToDataRate(ieee, (8*i+j)) >
 653                                             HTMcsToDataRate(ieee, mcsRate))
 654                                                 mcsRate = (8*i+j);
 655                                 }
 656                                 bitMap = bitMap>>1;
 657                         }
 658                 }
 659         }
 660         return mcsRate | 0x80;
 661 }
 662
 663 u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS, u8 *pOperateMCS)
 664 {
 665
 666         u8 i;
 667
 668         for (i = 0; i <= 15; i++)
 669                 pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i] &
 670                                  pSupportMCS[i];
 671
 672         HT_PickMCSRate(ieee, pOperateMCS);
 673
 674         if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
 675                 pOperateMCS[1] = 0;
 676
 677         for (i = 2; i <= 15; i++)
 678                 pOperateMCS[i] = 0;
 679
 680         return true;
 681 }
 682
 683 void HTSetConnectBwMode(struct rtllib_device *ieee,
 684                         enum ht_channel_width Bandwidth,
 685                         enum ht_extchnl_offset Offset);
 686
 687 void HTOnAssocRsp(struct rtllib_device *ieee)
 688 {
 689         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 690         struct ht_capab_ele *pPeerHTCap = NULL;
 691         struct ht_info_ele *pPeerHTInfo = NULL;
 692         u16 nMaxAMSDUSize = 0;
 693         u8 *pMcsFilter = NULL;
 694
 695         static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
 696         static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};
 697
 698         if (pHTInfo->bCurrentHTSupport == false) {
 699                 RTLLIB_DEBUG(RTLLIB_DL_ERR, "<=== HTOnAssocRsp(): "
 700                              "HT_DISABLE\n");
 701                 return;
 702         }
 703         RTLLIB_DEBUG(RTLLIB_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n");
 704
 705         if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap)))
 706                 pPeerHTCap = (struct ht_capab_ele *)(&pHTInfo->PeerHTCapBuf[4]);
 707         else
 708                 pPeerHTCap = (struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf);
 709
 710         if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
 711                 pPeerHTInfo = (struct ht_info_ele *)
 712                              (&pHTInfo->PeerHTInfoBuf[4]);
 713         else
 714                 pPeerHTInfo = (struct ht_info_ele *)(pHTInfo->PeerHTInfoBuf);
 715
 716         RTLLIB_DEBUG_DATA(RTLLIB_DL_DATA | RTLLIB_DL_HT, pPeerHTCap,
 717                           sizeof(struct ht_capab_ele));
 718         HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth),
 719                           (enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset));
 720         pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ?
 721                                  true : false);
 722
 723         pHTInfo->bCurShortGI20MHz = ((pHTInfo->bRegShortGI20MHz) ?
 724                                     ((pPeerHTCap->ShortGI20Mhz == 1) ?
 725                                     true : false) : false);
 726         pHTInfo->bCurShortGI40MHz = ((pHTInfo->bRegShortGI40MHz) ?
 727                                      ((pPeerHTCap->ShortGI40Mhz == 1) ?
 728                                      true : false) : false);
 729
 730         pHTInfo->bCurSuppCCK = ((pHTInfo->bRegSuppCCK) ?
 731                                ((pPeerHTCap->DssCCk == 1) ? true :
 732                                false) : false);
 733
 734
 735         pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
 736
 737         nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935;
 738
 739         if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize)
 740                 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
 741         else
 742                 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
 743
 744         pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
 745         if (ieee->rtllib_ap_sec_type &&
 746            (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))) {
 747                 if ((pHTInfo->IOTPeer == HT_IOT_PEER_ATHEROS) ||
 748                                 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN))
 749                         pHTInfo->bCurrentAMPDUEnable = false;
 750         }
 751
 752         if (!pHTInfo->bRegRT2RTAggregation) {
 753                 if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
 754                         pHTInfo->CurrentAMPDUFactor =
 755                                                  pPeerHTCap->MaxRxAMPDUFactor;
 756                 else
 757                         pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
 758
 759         } else {
 760                 if (ieee->current_network.bssht.bdRT2RTAggregation) {
 761                         if (ieee->pairwise_key_type != KEY_TYPE_NA)
 762                                 pHTInfo->CurrentAMPDUFactor =
 763                                                  pPeerHTCap->MaxRxAMPDUFactor;
 764                         else
 765                                 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
 766                 } else {
 767                         if (pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K)
 768                                 pHTInfo->CurrentAMPDUFactor =
 769                                                  pPeerHTCap->MaxRxAMPDUFactor;
 770                         else
 771                                 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K;
 772                 }
 773         }
 774         if (pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
 775                 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
 776         else
 777                 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
 778         if (pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K) {
 779                 pHTInfo->bCurrentAMPDUEnable = false;
 780                 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
 781                 pHTInfo->ForcedAMSDUMaxSize = 7935;
 782         }
 783         pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;
 784
 785         if (pPeerHTCap->MCS[0] == 0)
 786                 pPeerHTCap->MCS[0] = 0xff;
 787
 788         HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0));
 789
 790         HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);
 791
 792         pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
 793         if (pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
 794                 pMcsFilter = MCS_FILTER_1SS;
 795         else
 796                 pMcsFilter = MCS_FILTER_ALL;
 797         ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
 798                                    ieee->dot11HTOperationalRateSet, pMcsFilter);
 799         ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
 800
 801         pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
 802 }
 803
 804 void HTInitializeHTInfo(struct rtllib_device *ieee)
 805 {
 806         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 807
 808         RTLLIB_DEBUG(RTLLIB_DL_HT, "===========>%s()\n", __func__);
 809         pHTInfo->bCurrentHTSupport = false;
 810
 811         pHTInfo->bCurBW40MHz = false;
 812         pHTInfo->bCurTxBW40MHz = false;
 813
 814         pHTInfo->bCurShortGI20MHz = false;
 815         pHTInfo->bCurShortGI40MHz = false;
 816         pHTInfo->bForcedShortGI = false;
 817
 818         pHTInfo->bCurSuppCCK = true;
 819
 820         pHTInfo->bCurrent_AMSDU_Support = false;
 821         pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
 822         pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
 823         pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
 824
 825         memset((void *)(&(pHTInfo->SelfHTCap)), 0,
 826                 sizeof(pHTInfo->SelfHTCap));
 827         memset((void *)(&(pHTInfo->SelfHTInfo)), 0,
 828                 sizeof(pHTInfo->SelfHTInfo));
 829         memset((void *)(&(pHTInfo->PeerHTCapBuf)), 0,
 830                 sizeof(pHTInfo->PeerHTCapBuf));
 831         memset((void *)(&(pHTInfo->PeerHTInfoBuf)), 0,
 832                 sizeof(pHTInfo->PeerHTInfoBuf));
 833
 834         pHTInfo->bSwBwInProgress = false;
 835         pHTInfo->ChnlOp = CHNLOP_NONE;
 836
 837         pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
 838
 839         pHTInfo->bCurrentRT2RTAggregation = false;
 840         pHTInfo->bCurrentRT2RTLongSlotTime = false;
 841         pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
 842
 843         pHTInfo->IOTPeer = 0;
 844         pHTInfo->IOTAction = 0;
 845         pHTInfo->IOTRaFunc = 0;
 846
 847         {
 848                 u8 *RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]);
 849                 RegHTSuppRateSets[0] = 0xFF;
 850                 RegHTSuppRateSets[1] = 0xFF;
 851                 RegHTSuppRateSets[4] = 0x01;
 852         }
 853 }
 854
 855 void HTInitializeBssDesc(struct bss_ht *pBssHT)
 856 {
 857
 858         pBssHT->bdSupportHT = false;
 859         memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
 860         pBssHT->bdHTCapLen = 0;
 861         memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
 862         pBssHT->bdHTInfoLen = 0;
 863
 864         pBssHT->bdHTSpecVer = HT_SPEC_VER_IEEE;
 865
 866         pBssHT->bdRT2RTAggregation = false;
 867         pBssHT->bdRT2RTLongSlotTime = false;
 868         pBssHT->RT2RT_HT_Mode = (enum rt_ht_capability)0;
 869 }
 870
 871 void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee,
 872                                    struct rtllib_network *pNetwork)
 873 {
 874         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 875         u8      bIOTAction = 0;
 876
 877         RTLLIB_DEBUG(RTLLIB_DL_HT, "==============>%s()\n", __func__);
 878         /* unmark bEnableHT flag here is the same reason why unmarked in
 879          * function rtllib_softmac_new_net. WB 2008.09.10*/
 880         if (pNetwork->bssht.bdSupportHT) {
 881                 pHTInfo->bCurrentHTSupport = true;
 882                 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer;
 883
 884                 if (pNetwork->bssht.bdHTCapLen > 0 &&
 885                     pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf))
 886                         memcpy(pHTInfo->PeerHTCapBuf,
 887                                pNetwork->bssht.bdHTCapBuf,
 888                                pNetwork->bssht.bdHTCapLen);
 889
 890                 if (pNetwork->bssht.bdHTInfoLen > 0 &&
 891                     pNetwork->bssht.bdHTInfoLen <=
 892                     sizeof(pHTInfo->PeerHTInfoBuf))
 893                         memcpy(pHTInfo->PeerHTInfoBuf,
 894                                pNetwork->bssht.bdHTInfoBuf,
 895                                pNetwork->bssht.bdHTInfoLen);
 896
 897                 if (pHTInfo->bRegRT2RTAggregation) {
 898                         pHTInfo->bCurrentRT2RTAggregation =
 899                                  pNetwork->bssht.bdRT2RTAggregation;
 900                         pHTInfo->bCurrentRT2RTLongSlotTime =
 901                                  pNetwork->bssht.bdRT2RTLongSlotTime;
 902                         pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode;
 903                 } else {
 904                         pHTInfo->bCurrentRT2RTAggregation = false;
 905                         pHTInfo->bCurrentRT2RTLongSlotTime = false;
 906                         pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
 907                 }
 908
 909                 HTIOTPeerDetermine(ieee);
 910
 911                 pHTInfo->IOTAction = 0;
 912                 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
 913                 if (bIOTAction)
 914                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
 915
 916                 bIOTAction = HTIOTActIsDisableMCS15(ieee);
 917                 if (bIOTAction)
 918                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15;
 919
 920                 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee);
 921                 if (bIOTAction)
 922                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS;
 923
 924
 925                 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
 926                 if (bIOTAction)
 927                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO;
 928
 929                 bIOTAction = HTIOTActIsMgntUseCCK6M(ieee, pNetwork);
 930                 if (bIOTAction)
 931                         pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M;
 932                 bIOTAction = HTIOTActIsCCDFsync(ieee);
 933                 if (bIOTAction)
 934                         pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
 935         } else {
 936                 pHTInfo->bCurrentHTSupport = false;
 937                 pHTInfo->bCurrentRT2RTAggregation = false;
 938                 pHTInfo->bCurrentRT2RTLongSlotTime = false;
 939                 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
 940
 941                 pHTInfo->IOTAction = 0;
 942                 pHTInfo->IOTRaFunc = 0;
 943         }
 944 }
 945
 946 void HT_update_self_and_peer_setting(struct rtllib_device *ieee,
 947                                      struct rtllib_network *pNetwork)
 948 {
 949         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 950         struct ht_info_ele *pPeerHTInfo =
 951                  (struct ht_info_ele *)pNetwork->bssht.bdHTInfoBuf;
 952
 953         if (pHTInfo->bCurrentHTSupport) {
 954                 if (pNetwork->bssht.bdHTInfoLen != 0)
 955                         pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
 956         }
 957 }
 958 EXPORT_SYMBOL(HT_update_self_and_peer_setting);
 959
 960 void HTUseDefaultSetting(struct rtllib_device *ieee)
 961 {
 962         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 963
 964         if (pHTInfo->bEnableHT) {
 965                 pHTInfo->bCurrentHTSupport = true;
 966                 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK;
 967
 968                 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz;
 969                 pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz;
 970
 971                 pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz;
 972
 973                 if (ieee->iw_mode == IW_MODE_ADHOC)
 974                         ieee->current_network.qos_data.active =
 975                                  ieee->current_network.qos_data.supported;
 976                 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
 977                 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
 978
 979                 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
 980                 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
 981
 982                 pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity;
 983
 984                 HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet,
 985                                 ieee->dot11HTOperationalRateSet);
 986                 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
 987                                            ieee->dot11HTOperationalRateSet,
 988                                            MCS_FILTER_ALL);
 989                 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
 990
 991         } else {
 992                 pHTInfo->bCurrentHTSupport = false;
 993         }
 994         return;
 995 }
 996
 997 u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame)
 998 {
 999         if (ieee->pHTInfo->bCurrentHTSupport) {
1000                 if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) {
1001                         RTLLIB_DEBUG(RTLLIB_DL_HT, "HT CONTROL FILED "
1002                                      "EXIST!!\n");
1003                         return true;
1004                 }
1005         }
1006         return false;
1007 }
1008
1009 static void HTSetConnectBwModeCallback(struct rtllib_device *ieee)
1010 {
1011         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
1012
1013         RTLLIB_DEBUG(RTLLIB_DL_HT, "======>%s()\n", __func__);
1014         if (pHTInfo->bCurBW40MHz) {
1015                 if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER)
1016                         ieee->set_chan(ieee->dev,
1017                                        ieee->current_network.channel + 2);
1018                 else if (pHTInfo->CurSTAExtChnlOffset ==
1019                          HT_EXTCHNL_OFFSET_LOWER)
1020                         ieee->set_chan(ieee->dev,
1021                                        ieee->current_network.channel - 2);
1022                 else
1023                         ieee->set_chan(ieee->dev,
1024                                        ieee->current_network.channel);
1025
1026                 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40,
1027                                        pHTInfo->CurSTAExtChnlOffset);
1028         } else {
1029                 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1030                 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20,
1031                                        HT_EXTCHNL_OFFSET_NO_EXT);
1032         }
1033
1034         pHTInfo->bSwBwInProgress = false;
1035 }
1036
1037 void HTSetConnectBwMode(struct rtllib_device *ieee,
1038                         enum ht_channel_width Bandwidth,
1039                         enum ht_extchnl_offset Offset)
1040 {
1041         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
1042
1043         if (pHTInfo->bRegBW40MHz == false)
1044                 return;
1045
1046         if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
1047                 Bandwidth = HT_CHANNEL_WIDTH_20;
1048
1049         if (pHTInfo->bSwBwInProgress) {
1050                 printk(KERN_INFO "%s: bSwBwInProgress!!\n", __func__);
1051                 return;
1052         }
1053         if (Bandwidth == HT_CHANNEL_WIDTH_20_40) {
1054                 if (ieee->current_network.channel < 2 &&
1055                     Offset == HT_EXTCHNL_OFFSET_LOWER)
1056                         Offset = HT_EXTCHNL_OFFSET_NO_EXT;
1057                 if (Offset == HT_EXTCHNL_OFFSET_UPPER ||
1058                     Offset == HT_EXTCHNL_OFFSET_LOWER) {
1059                         pHTInfo->bCurBW40MHz = true;
1060                         pHTInfo->CurSTAExtChnlOffset = Offset;
1061                 } else {
1062                         pHTInfo->bCurBW40MHz = false;
1063                         pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1064                 }
1065         } else {
1066                 pHTInfo->bCurBW40MHz = false;
1067                 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1068         }
1069
1070         printk(KERN_INFO "%s():pHTInfo->bCurBW40MHz:%x\n", __func__,
1071                pHTInfo->bCurBW40MHz);
1072
1073         pHTInfo->bSwBwInProgress = true;
1074
1075         HTSetConnectBwModeCallback(ieee);
1076 }