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
 344         if (net->bssht.bdRT2RTAggregation) {
 345                 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
 346                 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE)
 347                         pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE;
 348                 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP)
 349                         pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP;
 350         } else if (net->broadcom_cap_exist)
 351                 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
 352         else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) ||
 353                  !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) ||
 354                  !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3))
 355                 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
 356         else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
 357                  (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
 358                  (memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
 359                  (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
 360                  (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
 361                   net->ralink_cap_exist)
 362                 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
 363         else if ((net->atheros_cap_exist) ||
 364                 (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0) ||
 365                 (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0))
 366                 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
 367         else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) ||
 368                   net->cisco_cap_exist)
 369                 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
 370         else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
 371                   net->marvell_cap_exist)
 372                 pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL;
 373         else if (net->airgo_cap_exist)
 374                 pHTInfo->IOTPeer = HT_IOT_PEER_AIRGO;
 375         else
 376                 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
 377
 378         RTLLIB_DEBUG(RTLLIB_DL_IOT, "Joseph debug!! IOTPEER: %x\n",
 379                      pHTInfo->IOTPeer);
 380 }
 381
 382 static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr)
 383 {
 384         return 0;
 385 }
 386
 387
 388 static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee)
 389 {
 390         bool retValue = false;
 391
 392         return retValue;
 393 }
 394
 395 static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee)
 396 {
 397         return false;
 398 }
 399
 400 static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee, u8 *PeerMacAddr)
 401 {
 402         return false;
 403 }
 404
 405 static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee,
 406                                  struct rtllib_network *network)
 407 {
 408         u8      retValue = 0;
 409
 410
 411         if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
 412                 retValue = 1;
 413
 414         return retValue;
 415 }
 416
 417 static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee)
 418 {
 419         u8      retValue = 0;
 420
 421         if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
 422                 retValue = 1;
 423         return retValue;
 424 }
 425
 426 static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss)
 427 {
 428         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 429
 430         pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL;
 431
 432         if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss)
 433                 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R;
 434
 435         if (pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE)
 436                 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU;
 437
 438 }
 439
 440 void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo)
 441 {
 442         pHTInfo->IOTAction = 0;
 443         pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
 444         pHTInfo->IOTRaFunc = 0;
 445 }
 446
 447 void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap,
 448                                   u8 *len, u8 IsEncrypt, bool bAssoc)
 449 {
 450         struct rt_hi_throughput *pHT = ieee->pHTInfo;
 451         struct ht_capab_ele *pCapELE = NULL;
 452
 453         if ((posHTCap == NULL) || (pHT == NULL)) {
 454                 RTLLIB_DEBUG(RTLLIB_DL_ERR, "posHTCap or pHTInfo can't be "
 455                              "null in HTConstructCapabilityElement()\n");
 456                 return;
 457         }
 458         memset(posHTCap, 0, *len);
 459
 460         if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) {
 461                 u8      EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
 462
 463                 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
 464                 pCapELE = (struct ht_capab_ele *)&(posHTCap[4]);
 465                 *len = 30 + 2;
 466         } else {
 467                 pCapELE = (struct ht_capab_ele *)posHTCap;
 468                 *len = 26 + 2;
 469         }
 470
 471         pCapELE->AdvCoding              = 0;
 472         if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
 473                 pCapELE->ChlWidth = 0;
 474         else
 475                 pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0);
 476
 477         pCapELE->MimoPwrSave            = pHT->SelfMimoPs;
 478         pCapELE->GreenField             = 0;
 479         pCapELE->ShortGI20Mhz           = 1;
 480         pCapELE->ShortGI40Mhz           = 1;
 481
 482         pCapELE->TxSTBC                 = 1;
 483         pCapELE->RxSTBC                 = 0;
 484         pCapELE->DelayBA                = 0;
 485         pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0;
 486         pCapELE->DssCCk = ((pHT->bRegBW40MHz) ? (pHT->bRegSuppCCK ? 1 : 0) : 0);
 487         pCapELE->PSMP = 0;
 488         pCapELE->LSigTxopProtect = 0;
 489
 490
 491         RTLLIB_DEBUG(RTLLIB_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d "
 492                      "DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize,
 493                      pCapELE->DssCCk);
 494
 495         if (IsEncrypt) {
 496                 pCapELE->MPDUDensity    = 7;
 497                 pCapELE->MaxRxAMPDUFactor       = 2;
 498         } else {
 499                 pCapELE->MaxRxAMPDUFactor       = 3;
 500                 pCapELE->MPDUDensity    = 0;
 501         }
 502
 503         memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16);
 504         memset(&pCapELE->ExtHTCapInfo, 0, 2);
 505         memset(pCapELE->TxBFCap, 0, 4);
 506
 507         pCapELE->ASCap = 0;
 508
 509         if (bAssoc) {
 510                 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15)
 511                         pCapELE->MCS[1] &= 0x7f;
 512
 513                 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14)
 514                         pCapELE->MCS[1] &= 0xbf;
 515
 516                 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS)
 517                         pCapELE->MCS[1] &= 0x00;
 518
 519                 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI)
 520                         pCapELE->ShortGI40Mhz           = 0;
 521
 522                 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) {
 523                         pCapELE->ChlWidth = 0;
 524                         pCapELE->MCS[1] = 0;
 525                 }
 526         }
 527         return;
 528 }
 529
 530 void HTConstructInfoElement(struct rtllib_device *ieee, u8 *posHTInfo,
 531                             u8 *len, u8 IsEncrypt)
 532 {
 533         struct rt_hi_throughput *pHT = ieee->pHTInfo;
 534         struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo;
 535
 536         if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) {
 537                 RTLLIB_DEBUG(RTLLIB_DL_ERR, "posHTInfo or pHTInfoEle can't be "
 538                              "null in HTConstructInfoElement()\n");
 539                 return;
 540         }
 541
 542         memset(posHTInfo, 0, *len);
 543         if ((ieee->iw_mode == IW_MODE_ADHOC) ||
 544             (ieee->iw_mode == IW_MODE_MASTER)) {
 545                 pHTInfoEle->ControlChl  = ieee->current_network.channel;
 546                 pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false) ?
 547                                             HT_EXTCHNL_OFFSET_NO_EXT :
 548                                             (ieee->current_network.channel <= 6)
 549                                             ? HT_EXTCHNL_OFFSET_UPPER :
 550                                             HT_EXTCHNL_OFFSET_LOWER);
 551                 pHTInfoEle->RecommemdedTxWidth  = pHT->bRegBW40MHz;
 552                 pHTInfoEle->RIFS                        = 0;
 553                 pHTInfoEle->PSMPAccessOnly              = 0;
 554                 pHTInfoEle->SrvIntGranularity           = 0;
 555                 pHTInfoEle->OptMode                     = pHT->CurrentOpMode;
 556                 pHTInfoEle->NonGFDevPresent             = 0;
 557                 pHTInfoEle->DualBeacon                  = 0;
 558                 pHTInfoEle->SecondaryBeacon             = 0;
 559                 pHTInfoEle->LSigTxopProtectFull         = 0;
 560                 pHTInfoEle->PcoActive                   = 0;
 561                 pHTInfoEle->PcoPhase                    = 0;
 562
 563                 memset(pHTInfoEle->BasicMSC, 0, 16);
 564
 565
 566                 *len = 22 + 2;
 567
 568         } else {
 569                 *len = 0;
 570         }
 571         return;
 572 }
 573
 574 void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg,
 575                                 u8 *len)
 576 {
 577         if (posRT2RTAgg == NULL) {
 578                 RTLLIB_DEBUG(RTLLIB_DL_ERR, "posRT2RTAgg can't be null in "
 579                              "HTConstructRT2RTAggElement()\n");
 580                 return;
 581         }
 582         memset(posRT2RTAgg, 0, *len);
 583         *posRT2RTAgg++ = 0x00;
 584         *posRT2RTAgg++ = 0xe0;
 585         *posRT2RTAgg++ = 0x4c;
 586         *posRT2RTAgg++ = 0x02;
 587         *posRT2RTAgg++ = 0x01;
 588
 589         *posRT2RTAgg = 0x30;
 590
 591         if (ieee->bSupportRemoteWakeUp)
 592                 *posRT2RTAgg |= RT_HT_CAP_USE_WOW;
 593
 594         *len = 6 + 2;
 595
 596         return;
 597 }
 598
 599 static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS)
 600 {
 601         u8 i;
 602
 603         if (pOperateMCS == NULL) {
 604                 RTLLIB_DEBUG(RTLLIB_DL_ERR, "pOperateMCS can't be null"
 605                              " in HT_PickMCSRate()\n");
 606                 return false;
 607         }
 608
 609         switch (ieee->mode) {
 610         case IEEE_A:
 611         case IEEE_B:
 612         case IEEE_G:
 613                 for (i = 0; i <= 15; i++)
 614                         pOperateMCS[i] = 0;
 615                 break;
 616         case IEEE_N_24G:
 617         case IEEE_N_5G:
 618                 pOperateMCS[0] &= RATE_ADPT_1SS_MASK;
 619                 pOperateMCS[1] &= RATE_ADPT_2SS_MASK;
 620                 pOperateMCS[3] &= RATE_ADPT_MCS32_MASK;
 621                 break;
 622         default:
 623                 break;
 624
 625         }
 626
 627         return true;
 628 }
 629
 630 u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet,
 631                        u8 *pMCSFilter)
 632 {
 633         u8              i, j;
 634         u8              bitMap;
 635         u8              mcsRate = 0;
 636         u8              availableMcsRate[16];
 637
 638         if (pMCSRateSet == NULL || pMCSFilter == NULL) {
 639                 RTLLIB_DEBUG(RTLLIB_DL_ERR, "pMCSRateSet or pMCSFilter can't "
 640                              "be null in HTGetHighestMCSRate()\n");
 641                 return false;
 642         }
 643         for (i = 0; i < 16; i++)
 644                 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
 645
 646         for (i = 0; i < 16; i++) {
 647                 if (availableMcsRate[i] != 0)
 648                         break;
 649         }
 650         if (i == 16)
 651                 return false;
 652
 653         for (i = 0; i < 16; i++) {
 654                 if (availableMcsRate[i] != 0) {
 655                         bitMap = availableMcsRate[i];
 656                         for (j = 0; j < 8; j++) {
 657                                 if ((bitMap%2) != 0) {
 658                                         if (HTMcsToDataRate(ieee, (8*i+j)) >
 659                                             HTMcsToDataRate(ieee, mcsRate))
 660                                                 mcsRate = (8*i+j);
 661                                 }
 662                                 bitMap = bitMap>>1;
 663                         }
 664                 }
 665         }
 666         return mcsRate | 0x80;
 667 }
 668
 669 u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS, u8 *pOperateMCS)
 670 {
 671
 672         u8 i;
 673
 674         for (i = 0; i <= 15; i++)
 675                 pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i] &
 676                                  pSupportMCS[i];
 677
 678         HT_PickMCSRate(ieee, pOperateMCS);
 679
 680         if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
 681                 pOperateMCS[1] = 0;
 682
 683         for (i = 2; i <= 15; i++)
 684                 pOperateMCS[i] = 0;
 685
 686         return true;
 687 }
 688
 689 void HTSetConnectBwMode(struct rtllib_device *ieee,
 690                         enum ht_channel_width Bandwidth,
 691                         enum ht_extchnl_offset Offset);
 692
 693 void HTOnAssocRsp(struct rtllib_device *ieee)
 694 {
 695         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 696         struct ht_capab_ele *pPeerHTCap = NULL;
 697         struct ht_info_ele *pPeerHTInfo = NULL;
 698         u16 nMaxAMSDUSize = 0;
 699         u8 *pMcsFilter = NULL;
 700
 701         static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
 702         static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};
 703
 704         if (pHTInfo->bCurrentHTSupport == false) {
 705                 RTLLIB_DEBUG(RTLLIB_DL_ERR, "<=== HTOnAssocRsp(): "
 706                              "HT_DISABLE\n");
 707                 return;
 708         }
 709         RTLLIB_DEBUG(RTLLIB_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n");
 710
 711         if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap)))
 712                 pPeerHTCap = (struct ht_capab_ele *)(&pHTInfo->PeerHTCapBuf[4]);
 713         else
 714                 pPeerHTCap = (struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf);
 715
 716         if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
 717                 pPeerHTInfo = (struct ht_info_ele *)
 718                              (&pHTInfo->PeerHTInfoBuf[4]);
 719         else
 720                 pPeerHTInfo = (struct ht_info_ele *)(pHTInfo->PeerHTInfoBuf);
 721
 722         RTLLIB_DEBUG_DATA(RTLLIB_DL_DATA | RTLLIB_DL_HT, pPeerHTCap,
 723                           sizeof(struct ht_capab_ele));
 724         HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth),
 725                           (enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset));
 726         pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ?
 727                                  true : false);
 728
 729         pHTInfo->bCurShortGI20MHz = ((pHTInfo->bRegShortGI20MHz) ?
 730                                     ((pPeerHTCap->ShortGI20Mhz == 1) ?
 731                                     true : false) : false);
 732         pHTInfo->bCurShortGI40MHz = ((pHTInfo->bRegShortGI40MHz) ?
 733                                      ((pPeerHTCap->ShortGI40Mhz == 1) ?
 734                                      true : false) : false);
 735
 736         pHTInfo->bCurSuppCCK = ((pHTInfo->bRegSuppCCK) ?
 737                                ((pPeerHTCap->DssCCk == 1) ? true :
 738                                false) : false);
 739
 740
 741         pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
 742
 743         nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935;
 744
 745         if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize)
 746                 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
 747         else
 748                 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
 749
 750         pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
 751         if (ieee->rtllib_ap_sec_type &&
 752            (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))) {
 753                 if ((pHTInfo->IOTPeer == HT_IOT_PEER_ATHEROS) ||
 754                                 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN))
 755                         pHTInfo->bCurrentAMPDUEnable = false;
 756         }
 757
 758         if (!pHTInfo->bRegRT2RTAggregation) {
 759                 if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
 760                         pHTInfo->CurrentAMPDUFactor =
 761                                                  pPeerHTCap->MaxRxAMPDUFactor;
 762                 else
 763                         pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
 764
 765         } else {
 766                 if (ieee->current_network.bssht.bdRT2RTAggregation) {
 767                         if (ieee->pairwise_key_type != KEY_TYPE_NA)
 768                                 pHTInfo->CurrentAMPDUFactor =
 769                                                  pPeerHTCap->MaxRxAMPDUFactor;
 770                         else
 771                                 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
 772                 } else {
 773                         if (pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K)
 774                                 pHTInfo->CurrentAMPDUFactor =
 775                                                  pPeerHTCap->MaxRxAMPDUFactor;
 776                         else
 777                                 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K;
 778                 }
 779         }
 780         if (pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
 781                 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
 782         else
 783                 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
 784         if (pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K) {
 785                 pHTInfo->bCurrentAMPDUEnable = false;
 786                 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
 787                 pHTInfo->ForcedAMSDUMaxSize = 7935;
 788         }
 789         pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;
 790
 791         if (pPeerHTCap->MCS[0] == 0)
 792                 pPeerHTCap->MCS[0] = 0xff;
 793
 794         HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0));
 795
 796         HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);
 797
 798         pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
 799         if (pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
 800                 pMcsFilter = MCS_FILTER_1SS;
 801         else
 802                 pMcsFilter = MCS_FILTER_ALL;
 803         ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
 804                                    ieee->dot11HTOperationalRateSet, pMcsFilter);
 805         ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
 806
 807         pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
 808 }
 809
 810 void HTInitializeHTInfo(struct rtllib_device *ieee)
 811 {
 812         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 813
 814         RTLLIB_DEBUG(RTLLIB_DL_HT, "===========>%s()\n", __func__);
 815         pHTInfo->bCurrentHTSupport = false;
 816
 817         pHTInfo->bCurBW40MHz = false;
 818         pHTInfo->bCurTxBW40MHz = false;
 819
 820         pHTInfo->bCurShortGI20MHz = false;
 821         pHTInfo->bCurShortGI40MHz = false;
 822         pHTInfo->bForcedShortGI = false;
 823
 824         pHTInfo->bCurSuppCCK = true;
 825
 826         pHTInfo->bCurrent_AMSDU_Support = false;
 827         pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
 828         pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
 829         pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
 830
 831         memset((void *)(&(pHTInfo->SelfHTCap)), 0,
 832                 sizeof(pHTInfo->SelfHTCap));
 833         memset((void *)(&(pHTInfo->SelfHTInfo)), 0,
 834                 sizeof(pHTInfo->SelfHTInfo));
 835         memset((void *)(&(pHTInfo->PeerHTCapBuf)), 0,
 836                 sizeof(pHTInfo->PeerHTCapBuf));
 837         memset((void *)(&(pHTInfo->PeerHTInfoBuf)), 0,
 838                 sizeof(pHTInfo->PeerHTInfoBuf));
 839
 840         pHTInfo->bSwBwInProgress = false;
 841         pHTInfo->ChnlOp = CHNLOP_NONE;
 842
 843         pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
 844
 845         pHTInfo->bCurrentRT2RTAggregation = false;
 846         pHTInfo->bCurrentRT2RTLongSlotTime = false;
 847         pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
 848
 849         pHTInfo->IOTPeer = 0;
 850         pHTInfo->IOTAction = 0;
 851         pHTInfo->IOTRaFunc = 0;
 852
 853         {
 854                 u8 *RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]);
 855
 856                 RegHTSuppRateSets[0] = 0xFF;
 857                 RegHTSuppRateSets[1] = 0xFF;
 858                 RegHTSuppRateSets[4] = 0x01;
 859         }
 860 }
 861
 862 void HTInitializeBssDesc(struct bss_ht *pBssHT)
 863 {
 864
 865         pBssHT->bdSupportHT = false;
 866         memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
 867         pBssHT->bdHTCapLen = 0;
 868         memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
 869         pBssHT->bdHTInfoLen = 0;
 870
 871         pBssHT->bdHTSpecVer = HT_SPEC_VER_IEEE;
 872
 873         pBssHT->bdRT2RTAggregation = false;
 874         pBssHT->bdRT2RTLongSlotTime = false;
 875         pBssHT->RT2RT_HT_Mode = (enum rt_ht_capability)0;
 876 }
 877
 878 void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee,
 879                                    struct rtllib_network *pNetwork)
 880 {
 881         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 882         u8      bIOTAction = 0;
 883
 884         RTLLIB_DEBUG(RTLLIB_DL_HT, "==============>%s()\n", __func__);
 885         /* unmark bEnableHT flag here is the same reason why unmarked in
 886          * function rtllib_softmac_new_net. WB 2008.09.10*/
 887         if (pNetwork->bssht.bdSupportHT) {
 888                 pHTInfo->bCurrentHTSupport = true;
 889                 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer;
 890
 891                 if (pNetwork->bssht.bdHTCapLen > 0 &&
 892                     pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf))
 893                         memcpy(pHTInfo->PeerHTCapBuf,
 894                                pNetwork->bssht.bdHTCapBuf,
 895                                pNetwork->bssht.bdHTCapLen);
 896
 897                 if (pNetwork->bssht.bdHTInfoLen > 0 &&
 898                     pNetwork->bssht.bdHTInfoLen <=
 899                     sizeof(pHTInfo->PeerHTInfoBuf))
 900                         memcpy(pHTInfo->PeerHTInfoBuf,
 901                                pNetwork->bssht.bdHTInfoBuf,
 902                                pNetwork->bssht.bdHTInfoLen);
 903
 904                 if (pHTInfo->bRegRT2RTAggregation) {
 905                         pHTInfo->bCurrentRT2RTAggregation =
 906                                  pNetwork->bssht.bdRT2RTAggregation;
 907                         pHTInfo->bCurrentRT2RTLongSlotTime =
 908                                  pNetwork->bssht.bdRT2RTLongSlotTime;
 909                         pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode;
 910                 } else {
 911                         pHTInfo->bCurrentRT2RTAggregation = false;
 912                         pHTInfo->bCurrentRT2RTLongSlotTime = false;
 913                         pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
 914                 }
 915
 916                 HTIOTPeerDetermine(ieee);
 917
 918                 pHTInfo->IOTAction = 0;
 919                 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
 920                 if (bIOTAction)
 921                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
 922
 923                 bIOTAction = HTIOTActIsDisableMCS15(ieee);
 924                 if (bIOTAction)
 925                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15;
 926
 927                 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee);
 928                 if (bIOTAction)
 929                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS;
 930
 931
 932                 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
 933                 if (bIOTAction)
 934                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO;
 935
 936                 bIOTAction = HTIOTActIsMgntUseCCK6M(ieee, pNetwork);
 937                 if (bIOTAction)
 938                         pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M;
 939                 bIOTAction = HTIOTActIsCCDFsync(ieee);
 940                 if (bIOTAction)
 941                         pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
 942         } else {
 943                 pHTInfo->bCurrentHTSupport = false;
 944                 pHTInfo->bCurrentRT2RTAggregation = false;
 945                 pHTInfo->bCurrentRT2RTLongSlotTime = false;
 946                 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0;
 947
 948                 pHTInfo->IOTAction = 0;
 949                 pHTInfo->IOTRaFunc = 0;
 950         }
 951 }
 952
 953 void HT_update_self_and_peer_setting(struct rtllib_device *ieee,
 954                                      struct rtllib_network *pNetwork)
 955 {
 956         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 957         struct ht_info_ele *pPeerHTInfo =
 958                  (struct ht_info_ele *)pNetwork->bssht.bdHTInfoBuf;
 959
 960         if (pHTInfo->bCurrentHTSupport) {
 961                 if (pNetwork->bssht.bdHTInfoLen != 0)
 962                         pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
 963         }
 964 }
 965 EXPORT_SYMBOL(HT_update_self_and_peer_setting);
 966
 967 void HTUseDefaultSetting(struct rtllib_device *ieee)
 968 {
 969         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
 970
 971         if (pHTInfo->bEnableHT) {
 972                 pHTInfo->bCurrentHTSupport = true;
 973                 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK;
 974
 975                 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz;
 976                 pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz;
 977
 978                 pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz;
 979
 980                 if (ieee->iw_mode == IW_MODE_ADHOC)
 981                         ieee->current_network.qos_data.active =
 982                                  ieee->current_network.qos_data.supported;
 983                 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
 984                 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
 985
 986                 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
 987                 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
 988
 989                 pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity;
 990
 991                 HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet,
 992                                 ieee->dot11HTOperationalRateSet);
 993                 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee,
 994                                            ieee->dot11HTOperationalRateSet,
 995                                            MCS_FILTER_ALL);
 996                 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
 997
 998         } else {
 999                 pHTInfo->bCurrentHTSupport = false;
1000         }
1001         return;
1002 }
1003
1004 u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame)
1005 {
1006         if (ieee->pHTInfo->bCurrentHTSupport) {
1007                 if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) {
1008                         RTLLIB_DEBUG(RTLLIB_DL_HT, "HT CONTROL FILED "
1009                                      "EXIST!!\n");
1010                         return true;
1011                 }
1012         }
1013         return false;
1014 }
1015
1016 static void HTSetConnectBwModeCallback(struct rtllib_device *ieee)
1017 {
1018         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
1019
1020         RTLLIB_DEBUG(RTLLIB_DL_HT, "======>%s()\n", __func__);
1021         if (pHTInfo->bCurBW40MHz) {
1022                 if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER)
1023                         ieee->set_chan(ieee->dev,
1024                                        ieee->current_network.channel + 2);
1025                 else if (pHTInfo->CurSTAExtChnlOffset ==
1026                          HT_EXTCHNL_OFFSET_LOWER)
1027                         ieee->set_chan(ieee->dev,
1028                                        ieee->current_network.channel - 2);
1029                 else
1030                         ieee->set_chan(ieee->dev,
1031                                        ieee->current_network.channel);
1032
1033                 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40,
1034                                        pHTInfo->CurSTAExtChnlOffset);
1035         } else {
1036                 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1037                 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20,
1038                                        HT_EXTCHNL_OFFSET_NO_EXT);
1039         }
1040
1041         pHTInfo->bSwBwInProgress = false;
1042 }
1043
1044 void HTSetConnectBwMode(struct rtllib_device *ieee,
1045                         enum ht_channel_width Bandwidth,
1046                         enum ht_extchnl_offset Offset)
1047 {
1048         struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
1049
1050         if (pHTInfo->bRegBW40MHz == false)
1051                 return;
1052
1053         if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
1054                 Bandwidth = HT_CHANNEL_WIDTH_20;
1055
1056         if (pHTInfo->bSwBwInProgress) {
1057                 pr_info("%s: bSwBwInProgress!!\n", __func__);
1058                 return;
1059         }
1060         if (Bandwidth == HT_CHANNEL_WIDTH_20_40) {
1061                 if (ieee->current_network.channel < 2 &&
1062                     Offset == HT_EXTCHNL_OFFSET_LOWER)
1063                         Offset = HT_EXTCHNL_OFFSET_NO_EXT;
1064                 if (Offset == HT_EXTCHNL_OFFSET_UPPER ||
1065                     Offset == HT_EXTCHNL_OFFSET_LOWER) {
1066                         pHTInfo->bCurBW40MHz = true;
1067                         pHTInfo->CurSTAExtChnlOffset = Offset;
1068                 } else {
1069                         pHTInfo->bCurBW40MHz = false;
1070                         pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1071                 }
1072         } else {
1073                 pHTInfo->bCurBW40MHz = false;
1074                 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1075         }
1076
1077         pr_info("%s():pHTInfo->bCurBW40MHz:%x\n", __func__,
1078                pHTInfo->bCurBW40MHz);
1079
1080         pHTInfo->bSwBwInProgress = true;
1081
1082         HTSetConnectBwModeCallback(ieee);
1083 }