drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c

   1
   2 //As this function is mainly ported from Windows driver, so leave the name little changed. If any confusion caused, tell me. Created by WB. 2008.05.08
   3 #include "ieee80211.h"
   4 #include "rtl819x_HT.h"
   5 u8 MCS_FILTER_ALL[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
   6
   7 u8 MCS_FILTER_1SS[16] = {0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
   8
   9 u16 MCS_DATA_RATE[2][2][77] =
  10         {       {       {13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78 ,104, 156, 208, 234, 260,
  11                         39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416, 468, 520,
  12                         0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182, 182, 208, 156, 195,
  13                         195, 234, 273, 273, 312, 130, 156, 181, 156, 181, 208, 234, 208, 234, 260, 260,
  14                         286, 195, 234, 273, 234, 273, 312, 351, 312, 351, 390, 390, 429},                       // Long GI, 20MHz
  15                         {14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289,
  16                         43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520, 578,
  17                         0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231, 173, 217,
  18                         217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260, 231, 260, 289, 289,
  19                         318, 217, 260, 303, 260, 303, 347, 390, 347, 390, 433, 433, 477}        },              // Short GI, 20MHz
  20                 {       {27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486, 540,
  21                         81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648, 864, 972, 1080,
  22                         12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324, 378, 378, 432, 324, 405,
  23                         405, 486, 567, 567, 648, 270, 324, 378, 324, 378, 432, 486, 432, 486, 540, 540,
  24                         594, 405, 486, 567, 486, 567, 648, 729, 648, 729, 810, 810, 891},       // Long GI, 40MHz
  25                         {30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540, 600,
  26                         90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720, 960, 1080, 1200,
  27                         13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360, 420, 420, 480, 360, 450,
  28                         450, 540, 630, 630, 720, 300, 360, 420, 360, 420, 480, 540, 480, 540, 600, 600,
  29                         660, 450, 540, 630, 540, 630, 720, 810, 720, 810, 900, 900, 990}        }       // Short GI, 40MHz
  30         };
  31
  32 static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
  33 static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
  34 static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e};
  35 static u8 NETGEAR834Bv2_BROADCOM[3] = {0x00, 0x1b, 0x2f};
  36 static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f};       //cosa 03202008
  37 static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf};
  38 static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc};
  39 static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e};
  40 static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
  41 //static u8 DLINK_ATHEROS[3] = {0x00, 0x1c, 0xf0};
  42 static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
  43
  44 // 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Should we put the
  45 // code in other place??
  46 //static u8 WIFI_CISCO_G_AP[3] = {0x00, 0x40, 0x96};
  47 /********************************************************************************************************************
  48  *function:  This function update default settings in pHTInfo structure
  49  *   input:  PRT_HIGH_THROUGHPUT        pHTInfo
  50  *  output:  none
  51  *  return:  none
  52  *  notice:  These value need be modified if any changes.
  53  * *****************************************************************************************************************/
  54 void HTUpdateDefaultSetting(struct ieee80211_device *ieee)
  55 {
  56         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
  57         //const typeof( ((struct ieee80211_device *)0)->pHTInfo ) *__mptr = &pHTInfo;
  58
  59         //printk("pHTinfo:%p, &pHTinfo:%p, mptr:%p,  offsetof:%x\n", pHTInfo, &pHTInfo, __mptr, offsetof(struct ieee80211_device, pHTInfo));
  60         //printk("===>ieee:%p,\n", ieee);
  61         // ShortGI support
  62         pHTInfo->bRegShortGI20MHz= 1;
  63         pHTInfo->bRegShortGI40MHz= 1;
  64
  65         // 40MHz channel support
  66         pHTInfo->bRegBW40MHz = 1;
  67
  68         // CCK rate support in 40MHz channel
  69         if(pHTInfo->bRegBW40MHz)
  70                 pHTInfo->bRegSuppCCK = 1;
  71         else
  72                 pHTInfo->bRegSuppCCK = true;
  73
  74         // AMSDU related
  75         pHTInfo->nAMSDU_MaxSize = 7935UL;
  76         pHTInfo->bAMSDU_Support = 0;
  77
  78         // AMPDU related
  79         pHTInfo->bAMPDUEnable = 1;
  80         pHTInfo->AMPDU_Factor = 2; //// 0: 2n13(8K), 1:2n14(16K), 2:2n15(32K), 3:2n16(64k)
  81         pHTInfo->MPDU_Density = 0;// 0: No restriction, 1: 1/8usec, 2: 1/4usec, 3: 1/2usec, 4: 1usec, 5: 2usec, 6: 4usec, 7:8usec
  82
  83         // MIMO Power Save
  84         pHTInfo->SelfMimoPs = 3;// 0: Static Mimo Ps, 1: Dynamic Mimo Ps, 3: No Limitation, 2: Reserved(Set to 3 automatically.)
  85         if(pHTInfo->SelfMimoPs == 2)
  86                 pHTInfo->SelfMimoPs = 3;
  87         // 8190 only. Assign rate operation mode to firmware
  88         ieee->bTxDisableRateFallBack = 0;
  89         ieee->bTxUseDriverAssingedRate = 0;
  90
  91 #ifdef  TO_DO_LIST
  92         // 8190 only. Assign duration operation mode to firmware
  93         pMgntInfo->bTxEnableFwCalcDur = (BOOLEAN)pNdisCommon->bRegTxEnableFwCalcDur;
  94 #endif
  95         // 8190 only, Realtek proprietary aggregation mode
  96         // Set MPDUDensity=2,   1: Set MPDUDensity=2(32k)  for Realtek AP and set MPDUDensity=0(8k) for others
  97         pHTInfo->bRegRT2RTAggregation = 1;//0: Set MPDUDensity=2,   1: Set MPDUDensity=2(32k)  for Realtek AP and set MPDUDensity=0(8k) for others
  98
  99         // For Rx Reorder Control
 100         pHTInfo->bRegRxReorderEnable = 1;
 101         pHTInfo->RxReorderWinSize = 64;
 102         pHTInfo->RxReorderPendingTime = 30;
 103
 104 #ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
 105         pHTInfo->UsbTxAggrNum = 4;
 106 #endif
 107 #ifdef USB_RX_AGGREGATION_SUPPORT
 108         pHTInfo->UsbRxFwAggrEn = 1;
 109         pHTInfo->UsbRxFwAggrPageNum = 24;
 110         pHTInfo->UsbRxFwAggrPacketNum = 8;
 111         pHTInfo->UsbRxFwAggrTimeout = 16; ////usb rx FW aggregation timeout threshold.It's in units of 64us
 112 #endif
 113
 114
 115 }
 116 /********************************************************************************************************************
 117  *function:  This function print out each field on HT capability IE mainly from (Beacon/ProbeRsp/AssocReq)
 118  *   input:  u8*        CapIE       //Capability IE to be printed out
 119  *           u8*        TitleString //mainly print out caller function
 120  *  output:  none
 121  *  return:  none
 122  *  notice:  Driver should not print out this message by default.
 123  * *****************************************************************************************************************/
 124 void HTDebugHTCapability(u8 *CapIE, u8 *TitleString )
 125 {
 126
 127         static u8       EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};       // For 11n EWC definition, 2007.07.17, by Emily
 128         PHT_CAPABILITY_ELE              pCapELE;
 129
 130         if(!memcmp(CapIE, EWC11NHTCap, sizeof(EWC11NHTCap)))
 131         {
 132                 //EWC IE
 133                 IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__);
 134                 pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[4]);
 135         }else
 136                 pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[0]);
 137
 138         IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Capability>. Called by %s\n", TitleString );
 139
 140         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tSupported Channel Width = %s\n", (pCapELE->ChlWidth)?"20MHz": "20/40MHz");
 141         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tSupport Short GI for 20M = %s\n", (pCapELE->ShortGI20Mhz)?"YES": "NO");
 142         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tSupport Short GI for 40M = %s\n", (pCapELE->ShortGI40Mhz)?"YES": "NO");
 143         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tSupport TX STBC = %s\n", (pCapELE->TxSTBC)?"YES": "NO");
 144         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tMax AMSDU Size = %s\n", (pCapELE->MaxAMSDUSize)?"3839": "7935");
 145         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tSupport CCK in 20/40 mode = %s\n", (pCapELE->DssCCk)?"YES": "NO");
 146         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tMax AMPDU Factor = %d\n", pCapELE->MaxRxAMPDUFactor);
 147         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tMPDU Density = %d\n", pCapELE->MPDUDensity);
 148         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tMCS Rate Set = [%x][%x][%x][%x][%x]\n", pCapELE->MCS[0],\
 149                                 pCapELE->MCS[1], pCapELE->MCS[2], pCapELE->MCS[3], pCapELE->MCS[4]);
 150         return;
 151
 152 }
 153 /********************************************************************************************************************
 154  *function:  This function print out each field on HT Information IE mainly from (Beacon/ProbeRsp)
 155  *   input:  u8*        InfoIE       //Capability IE to be printed out
 156  *           u8*        TitleString //mainly print out caller function
 157  *  output:  none
 158  *  return:  none
 159  *  notice:  Driver should not print out this message by default.
 160  * *****************************************************************************************************************/
 161 void HTDebugHTInfo(u8 *InfoIE, u8 *TitleString)
 162 {
 163
 164         static u8       EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};      // For 11n EWC definition, 2007.07.17, by Emily
 165         PHT_INFORMATION_ELE             pHTInfoEle;
 166
 167         if(!memcmp(InfoIE, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
 168         {
 169                 // Not EWC IE
 170                 IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__);
 171                 pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[4]);
 172         }else
 173                 pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[0]);
 174
 175
 176         IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Information Element>. Called by %s\n", TitleString);
 177
 178         IEEE80211_DEBUG(IEEE80211_DL_HT, "\tPrimary channel = %d\n", pHTInfoEle->ControlChl);
 179         IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSenondary channel =");
 180         switch (pHTInfoEle->ExtChlOffset)
 181         {
 182                 case 0:
 183                         IEEE80211_DEBUG(IEEE80211_DL_HT, "Not Present\n");
 184                         break;
 185                 case 1:
 186                         IEEE80211_DEBUG(IEEE80211_DL_HT, "Upper channel\n");
 187                         break;
 188                 case 2:
 189                         IEEE80211_DEBUG(IEEE80211_DL_HT, "Reserved. Eooro!!!\n");
 190                         break;
 191                 case 3:
 192                         IEEE80211_DEBUG(IEEE80211_DL_HT, "Lower Channel\n");
 193                         break;
 194         }
 195         IEEE80211_DEBUG(IEEE80211_DL_HT, "\tRecommended channel width = %s\n", (pHTInfoEle->RecommemdedTxWidth)?"20Mhz": "40Mhz");
 196
 197         IEEE80211_DEBUG(IEEE80211_DL_HT, "\tOperation mode for protection = ");
 198         switch (pHTInfoEle->OptMode)
 199         {
 200                 case 0:
 201                         IEEE80211_DEBUG(IEEE80211_DL_HT, "No Protection\n");
 202                         break;
 203                 case 1:
 204                         IEEE80211_DEBUG(IEEE80211_DL_HT, "HT non-member protection mode\n");
 205                         break;
 206                 case 2:
 207                         IEEE80211_DEBUG(IEEE80211_DL_HT, "Suggest to open protection\n");
 208                         break;
 209                 case 3:
 210                         IEEE80211_DEBUG(IEEE80211_DL_HT, "HT mixed mode\n");
 211                         break;
 212         }
 213
 214         IEEE80211_DEBUG(IEEE80211_DL_HT, "\tBasic MCS Rate Set = [%x][%x][%x][%x][%x]\n", pHTInfoEle->BasicMSC[0],\
 215                                 pHTInfoEle->BasicMSC[1], pHTInfoEle->BasicMSC[2], pHTInfoEle->BasicMSC[3], pHTInfoEle->BasicMSC[4]);
 216         return;
 217 }
 218
 219 /*
 220 *       Return:         true if station in half n mode and AP supports 40 bw
 221 */
 222 static bool IsHTHalfNmode40Bandwidth(struct ieee80211_device *ieee)
 223 {
 224         bool                    retValue = false;
 225         PRT_HIGH_THROUGHPUT      pHTInfo = ieee->pHTInfo;
 226
 227         if(pHTInfo->bCurrentHTSupport == false )        // wireless is n mode
 228                 retValue = false;
 229         else if(pHTInfo->bRegBW40MHz == false)  // station supports 40 bw
 230                 retValue = false;
 231         else if(!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))      // station in half n mode
 232                 retValue = false;
 233         else if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ChlWidth) // ap support 40 bw
 234                 retValue = true;
 235         else
 236                 retValue = false;
 237
 238         return retValue;
 239 }
 240
 241 static bool IsHTHalfNmodeSGI(struct ieee80211_device *ieee, bool is40MHz)
 242 {
 243         bool                    retValue = false;
 244         PRT_HIGH_THROUGHPUT      pHTInfo = ieee->pHTInfo;
 245
 246         if(pHTInfo->bCurrentHTSupport == false )        // wireless is n mode
 247                 retValue = false;
 248         else if(!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))      // station in half n mode
 249                 retValue = false;
 250         else if(is40MHz) // ap support 40 bw
 251         {
 252                 if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI40Mhz) // ap support 40 bw short GI
 253                         retValue = true;
 254                 else
 255                         retValue = false;
 256         }
 257         else
 258         {
 259                 if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI20Mhz) // ap support 40 bw short GI
 260                         retValue = true;
 261                 else
 262                         retValue = false;
 263         }
 264
 265         return retValue;
 266 }
 267
 268 u16 HTHalfMcsToDataRate(struct ieee80211_device *ieee,  u8      nMcsRate)
 269 {
 270
 271         u8      is40MHz;
 272         u8      isShortGI;
 273
 274         is40MHz  =  (IsHTHalfNmode40Bandwidth(ieee))?1:0;
 275         isShortGI = (IsHTHalfNmodeSGI(ieee, is40MHz))? 1:0;
 276
 277         return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)];
 278 }
 279
 280
 281 u16 HTMcsToDataRate( struct ieee80211_device *ieee, u8 nMcsRate)
 282 {
 283         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
 284
 285         u8      is40MHz = (pHTInfo->bCurBW40MHz)?1:0;
 286         u8      isShortGI = (pHTInfo->bCurBW40MHz)?
 287                                                 ((pHTInfo->bCurShortGI40MHz)?1:0):
 288                                                 ((pHTInfo->bCurShortGI20MHz)?1:0);
 289         return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)];
 290 }
 291
 292 /********************************************************************************************************************
 293  *function:  This function returns current datarate.
 294  *   input:  struct ieee80211_device*   ieee
 295  *           u8                         nDataRate
 296  *  output:  none
 297  *  return:  tx rate
 298  *  notice:  quite unsure about how to use this function //wb
 299  * *****************************************************************************************************************/
 300 u16  TxCountToDataRate( struct ieee80211_device *ieee, u8 nDataRate)
 301 {
 302         //PRT_HIGH_THROUGHPUT   pHTInfo = ieee->pHTInfo;
 303         u16             CCKOFDMRate[12] = {0x02 , 0x04 , 0x0b , 0x16 , 0x0c , 0x12 , 0x18 , 0x24 , 0x30 , 0x48 , 0x60 , 0x6c};
 304         u8      is40MHz = 0;
 305         u8      isShortGI = 0;
 306
 307         if(nDataRate < 12)
 308         {
 309                 return CCKOFDMRate[nDataRate];
 310         }
 311         else
 312         {
 313                 if (nDataRate >= 0x10 && nDataRate <= 0x1f)//if(nDataRate > 11 && nDataRate < 28 )
 314                 {
 315                         is40MHz = 0;
 316                         isShortGI = 0;
 317
 318                       // nDataRate = nDataRate - 12;
 319                 }
 320                 else if(nDataRate >=0x20  && nDataRate <= 0x2f ) //(27, 44)
 321                 {
 322                         is40MHz = 1;
 323                         isShortGI = 0;
 324
 325                         //nDataRate = nDataRate - 28;
 326                 }
 327                 else if(nDataRate >= 0x30  && nDataRate <= 0x3f )  //(43, 60)
 328                 {
 329                         is40MHz = 0;
 330                         isShortGI = 1;
 331
 332                         //nDataRate = nDataRate - 44;
 333                 }
 334                 else if(nDataRate >= 0x40  && nDataRate <= 0x4f ) //(59, 76)
 335                 {
 336                         is40MHz = 1;
 337                         isShortGI = 1;
 338
 339                         //nDataRate = nDataRate - 60;
 340                 }
 341                 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf];
 342         }
 343 }
 344
 345
 346
 347 bool IsHTHalfNmodeAPs(struct ieee80211_device *ieee)
 348 {
 349         bool                    retValue = false;
 350         struct ieee80211_network *net = &ieee->current_network;
 351         if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
 352                      (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
 353                      (memcmp(net->bssid, PCI_RALINK, 3)==0) ||
 354                      (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) ||
 355                      (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) ||
 356                      (net->ralink_cap_exist))
 357                 retValue = true;
 358         else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
 359                     (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
 360                     (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
 361                     (memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) ||
 362                     (net->broadcom_cap_exist))
 363                   retValue = true;
 364         else if(net->bssht.bdRT2RTAggregation)
 365                 retValue = true;
 366         else
 367                 retValue = false;
 368
 369         return retValue;
 370 }
 371
 372 /********************************************************************************************************************
 373  *function:  This function returns peer IOT.
 374  *   input:  struct ieee80211_device*   ieee
 375  *  output:  none
 376  *  return:
 377  *  notice:
 378  * *****************************************************************************************************************/
 379 static void HTIOTPeerDetermine(struct ieee80211_device *ieee)
 380 {
 381         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
 382         struct ieee80211_network *net = &ieee->current_network;
 383         if(net->bssht.bdRT2RTAggregation)
 384                 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
 385         else if(net->broadcom_cap_exist)
 386                 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
 387         else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
 388                         (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
 389                         (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
 390                         (memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) )
 391                 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
 392         else if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
 393                         (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
 394                         (memcmp(net->bssid, PCI_RALINK, 3)==0) ||
 395                         (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) ||
 396                         (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) ||
 397                          net->ralink_cap_exist)
 398                 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
 399         else if(net->atheros_cap_exist)
 400                 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
 401         else if(memcmp(net->bssid, CISCO_BROADCOM, 3)==0)
 402                 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
 403         else
 404                 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
 405
 406         IEEE80211_DEBUG(IEEE80211_DL_IOT, "Joseph debug!! IOTPEER: %x\n", pHTInfo->IOTPeer);
 407 }
 408 /********************************************************************************************************************
 409  *function:  Check whether driver should declare received rate up to MCS13 only since some chipset is not good
 410  *           at receiving MCS14~15 frame from some AP.
 411  *   input:  struct ieee80211_device*   ieee
 412  *           u8 *                       PeerMacAddr
 413  *  output:  none
 414  *  return:  return 1 if driver should declare MCS13 only(otherwise return 0)
 415   * *****************************************************************************************************************/
 416 static u8 HTIOTActIsDisableMCS14(struct ieee80211_device *ieee, u8 *PeerMacAddr)
 417 {
 418         u8 ret = 0;
 419         return ret;
 420  }
 421
 422
 423 /**
 424 * Function:     HTIOTActIsDisableMCS15
 425 *
 426 * Overview:     Check whether driver should declare capability of receiving MCS15
 427 *
 428 * Input:
 429 *                       PADAPTER                Adapter,
 430 *
 431 * Output:               None
 432 * Return:       true if driver should disable MCS15
 433 * 2008.04.15    Emily
 434 */
 435 static bool HTIOTActIsDisableMCS15(struct ieee80211_device *ieee)
 436 {
 437         bool retValue = false;
 438
 439 #ifdef TODO
 440         // Apply for 819u only
 441 #if (HAL_CODE_BASE==RTL8192)
 442
 443 #if (DEV_BUS_TYPE == USB_INTERFACE)
 444         // Alway disable MCS15 by Jerry Chang's request.by Emily, 2008.04.15
 445         retValue = true;
 446 #elif (DEV_BUS_TYPE == PCI_INTERFACE)
 447         // Enable MCS15 if the peer is Cisco AP. by Emily, 2008.05.12
 448 //      if(pBssDesc->bCiscoCapExist)
 449 //              retValue = false;
 450 //      else
 451                 retValue = false;
 452 #endif
 453 #endif
 454 #endif
 455         // Jerry Chang suggest that 8190 1x2 does not need to disable MCS15
 456
 457         return retValue;
 458 }
 459
 460 /**
 461 * Function:     HTIOTActIsDisableMCSTwoSpatialStream
 462 *
 463 * Overview:     Check whether driver should declare capability of receiving All 2 ss packets
 464 *
 465 * Input:
 466 *                       PADAPTER                Adapter,
 467 *
 468 * Output:               None
 469 * Return:       true if driver should disable all two spatial stream packet
 470 * 2008.04.21    Emily
 471 */
 472 static bool HTIOTActIsDisableMCSTwoSpatialStream(struct ieee80211_device *ieee,
 473                                                  u8 *PeerMacAddr)
 474 {
 475         bool retValue = false;
 476
 477 #ifdef TODO
 478         // Apply for 819u only
 479 #endif
 480         return retValue;
 481 }
 482
 483 /********************************************************************************************************************
 484  *function:  Check whether driver should disable EDCA turbo mode
 485  *   input:  struct ieee80211_device*   ieee
 486  *           u8*                        PeerMacAddr
 487  *  output:  none
 488  *  return:  return 1 if driver should disable EDCA turbo mode(otherwise return 0)
 489   * *****************************************************************************************************************/
 490 static u8 HTIOTActIsDisableEDCATurbo(struct ieee80211_device *ieee,
 491                                      u8 *PeerMacAddr)
 492 {
 493         u8      retValue = false;       // default enable EDCA Turbo mode.
 494         // Set specific EDCA parameter for different AP in DM handler.
 495
 496         return retValue;
 497 }
 498
 499 /********************************************************************************************************************
 500  *function:  Check whether we need to use OFDM to sned MGNT frame for broadcom AP
 501  *   input:  struct ieee80211_network *network   //current network we live
 502  *  output:  none
 503  *  return:  return 1 if true
 504   * *****************************************************************************************************************/
 505 static u8 HTIOTActIsMgntUseCCK6M(struct ieee80211_network *network)
 506 {
 507         u8      retValue = 0;
 508
 509         // 2008/01/25 MH Judeg if we need to use OFDM to sned MGNT frame for broadcom AP.
 510         // 2008/01/28 MH We must prevent that we select null bssid to link.
 511
 512         if(network->broadcom_cap_exist)
 513         {
 514                 retValue = 1;
 515         }
 516
 517         return retValue;
 518 }
 519
 520 static u8 HTIOTActIsCCDFsync(u8 *PeerMacAddr)
 521 {
 522         u8      retValue = 0;
 523         if(     (memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0) ||
 524                 (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0) ||
 525                 (memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ==0))
 526         {
 527                 retValue = 1;
 528         }
 529
 530         return retValue;
 531 }
 532
 533 void HTResetIOTSetting(
 534         PRT_HIGH_THROUGHPUT             pHTInfo
 535 )
 536 {
 537         pHTInfo->IOTAction = 0;
 538         pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
 539 }
 540
 541
 542 /********************************************************************************************************************
 543  *function:  Construct Capablility Element in Beacon... if HTEnable is turned on
 544  *   input:  struct ieee80211_device*   ieee
 545  *           u8*                        posHTCap //pointer to store Capability Ele
 546  *           u8*                        len //store length of CE
 547  *           u8                         IsEncrypt //whether encrypt, needed further
 548  *  output:  none
 549  *  return:  none
 550  *  notice:  posHTCap can't be null and should be initialized before.
 551   * *****************************************************************************************************************/
 552 void HTConstructCapabilityElement(struct ieee80211_device *ieee, u8 *posHTCap, u8 *len, u8 IsEncrypt)
 553 {
 554         PRT_HIGH_THROUGHPUT     pHT = ieee->pHTInfo;
 555         PHT_CAPABILITY_ELE      pCapELE = NULL;
 556         //u8 bIsDeclareMCS13;
 557
 558         if ((posHTCap == NULL) || (pHT == NULL))
 559         {
 560                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTCap or pHTInfo can't be null in HTConstructCapabilityElement()\n");
 561                 return;
 562         }
 563         memset(posHTCap, 0, *len);
 564         if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)
 565         {
 566                 u8      EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};       // For 11n EWC definition, 2007.07.17, by Emily
 567                 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
 568                 pCapELE = (PHT_CAPABILITY_ELE)&(posHTCap[4]);
 569         }else
 570         {
 571                 pCapELE = (PHT_CAPABILITY_ELE)posHTCap;
 572         }
 573
 574
 575         //HT capability info
 576         pCapELE->AdvCoding              = 0; // This feature is not supported now!!
 577         if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
 578         {
 579                 pCapELE->ChlWidth = 0;
 580         }
 581         else
 582         {
 583                 pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0);
 584         }
 585
 586 //      pCapELE->ChlWidth               = (pHT->bRegBW40MHz?1:0);
 587         pCapELE->MimoPwrSave            = pHT->SelfMimoPs;
 588         pCapELE->GreenField             = 0; // This feature is not supported now!!
 589         pCapELE->ShortGI20Mhz           = 1; // We can receive Short GI!!
 590         pCapELE->ShortGI40Mhz           = 1; // We can receive Short GI!!
 591         //DbgPrint("TX HT cap/info ele BW=%d SG20=%d SG40=%d\n\r",
 592                 //pCapELE->ChlWidth, pCapELE->ShortGI20Mhz, pCapELE->ShortGI40Mhz);
 593         pCapELE->TxSTBC                 = 1;
 594         pCapELE->RxSTBC                 = 0;
 595         pCapELE->DelayBA                = 0;    // Do not support now!!
 596         pCapELE->MaxAMSDUSize   = (MAX_RECEIVE_BUFFER_SIZE>=7935)?1:0;
 597         pCapELE->DssCCk                 = ((pHT->bRegBW40MHz)?(pHT->bRegSuppCCK?1:0):0);
 598         pCapELE->PSMP                   = 0; // Do not support now!!
 599         pCapELE->LSigTxopProtect        = 0; // Do not support now!!
 600
 601
 602         //MAC HT parameters info
 603         // TODO: Nedd to take care of this part
 604         IEEE80211_DEBUG(IEEE80211_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk);
 605
 606         if( IsEncrypt)
 607         {
 608                 pCapELE->MPDUDensity    = 7; // 8us
 609                 pCapELE->MaxRxAMPDUFactor       = 2; // 2 is for 32 K and 3 is 64K
 610         }
 611         else
 612         {
 613                 pCapELE->MaxRxAMPDUFactor       = 3; // 2 is for 32 K and 3 is 64K
 614                 pCapELE->MPDUDensity    = 0; // no density
 615         }
 616
 617         //Supported MCS set
 618         memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16);
 619         if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15)
 620                 pCapELE->MCS[1] &= 0x7f;
 621
 622         if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14)
 623                 pCapELE->MCS[1] &= 0xbf;
 624
 625         if(pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS)
 626                 pCapELE->MCS[1] &= 0x00;
 627
 628         // 2008.06.12
 629         // For RTL819X, if pairwisekey = wep/tkip, ap is ralink, we support only MCS0~7.
 630         if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
 631         {
 632                 int i;
 633                 for(i = 1; i< 16; i++)
 634                         pCapELE->MCS[i] = 0;
 635         }
 636
 637         //Extended HT Capability Info
 638         memset(&pCapELE->ExtHTCapInfo, 0, 2);
 639
 640
 641         //TXBF Capabilities
 642         memset(pCapELE->TxBFCap, 0, 4);
 643
 644         //Antenna Selection Capabilities
 645         pCapELE->ASCap = 0;
 646 //add 2 to give space for element ID and len when construct frames
 647         if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)
 648                 *len = 30 + 2;
 649         else
 650                 *len = 26 + 2;
 651
 652
 653
 654 //      IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_HT, posHTCap, *len -2);
 655
 656         //Print each field in detail. Driver should not print out this message by default
 657 //      HTDebugHTCapability(posHTCap, (u8*)"HTConstructCapability()");
 658         return;
 659
 660 }
 661 /********************************************************************************************************************
 662  *function:  Construct  Information Element in Beacon... if HTEnable is turned on
 663  *   input:  struct ieee80211_device*   ieee
 664  *           u8*                        posHTCap //pointer to store Information Ele
 665  *           u8*                        len   //store len of
 666  *           u8                         IsEncrypt //whether encrypt, needed further
 667  *  output:  none
 668  *  return:  none
 669  *  notice:  posHTCap can't be null and be initialized before. only AP and IBSS sta should do this
 670   * *****************************************************************************************************************/
 671 void HTConstructInfoElement(struct ieee80211_device *ieee, u8 *posHTInfo, u8 *len, u8 IsEncrypt)
 672 {
 673         PRT_HIGH_THROUGHPUT     pHT = ieee->pHTInfo;
 674         PHT_INFORMATION_ELE             pHTInfoEle = (PHT_INFORMATION_ELE)posHTInfo;
 675         if ((posHTInfo == NULL) || (pHTInfoEle == NULL))
 676         {
 677                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTInfo or pHTInfoEle can't be null in HTConstructInfoElement()\n");
 678                 return;
 679         }
 680
 681         memset(posHTInfo, 0, *len);
 682         if ( (ieee->iw_mode == IW_MODE_ADHOC) || (ieee->iw_mode == IW_MODE_MASTER)) //ap mode is not currently supported
 683         {
 684                 pHTInfoEle->ControlChl                  = ieee->current_network.channel;
 685                 pHTInfoEle->ExtChlOffset                        = ((pHT->bRegBW40MHz == false)?HT_EXTCHNL_OFFSET_NO_EXT:
 686                                                                                         (ieee->current_network.channel<=6)?
 687                                                                                                 HT_EXTCHNL_OFFSET_UPPER:HT_EXTCHNL_OFFSET_LOWER);
 688                 pHTInfoEle->RecommemdedTxWidth  = pHT->bRegBW40MHz;
 689                 pHTInfoEle->RIFS                                        = 0;
 690                 pHTInfoEle->PSMPAccessOnly              = 0;
 691                 pHTInfoEle->SrvIntGranularity           = 0;
 692                 pHTInfoEle->OptMode                             = pHT->CurrentOpMode;
 693                 pHTInfoEle->NonGFDevPresent             = 0;
 694                 pHTInfoEle->DualBeacon                  = 0;
 695                 pHTInfoEle->SecondaryBeacon             = 0;
 696                 pHTInfoEle->LSigTxopProtectFull         = 0;
 697                 pHTInfoEle->PcoActive                           = 0;
 698                 pHTInfoEle->PcoPhase                            = 0;
 699
 700                 memset(pHTInfoEle->BasicMSC, 0, 16);
 701
 702
 703                 *len = 22 + 2; //same above
 704
 705         }
 706         else
 707         {
 708                 //STA should not generate High Throughput Information Element
 709                 *len = 0;
 710         }
 711         //IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_HT, posHTInfo, *len - 2);
 712         //HTDebugHTInfo(posHTInfo, "HTConstructInforElement");
 713         return;
 714 }
 715
 716 /*
 717   *  According to experiment, Realtek AP to STA (based on rtl8190) may achieve best performance
 718   *  if both STA and AP set limitation of aggregation size to 32K, that is, set AMPDU density to 2
 719   *  (Ref: IEEE 11n specification). However, if Realtek STA associates to other AP, STA should set
 720   *  limitation of aggregation size to 8K, otherwise, performance of traffic stream from STA to AP
 721   *  will be much less than the traffic stream from AP to STA if both of the stream runs concurrently
 722   *  at the same time.
 723   *
 724   *  Frame Format
 725   *  Element ID         Length          OUI                     Type1           Reserved
 726   *  1 byte                     1 byte          3 bytes         1 byte          1 byte
 727   *
 728   *  OUI                = 0x00, 0xe0, 0x4c,
 729   *  Type       = 0x02
 730   *  Reserved   = 0x00
 731   *
 732   *  2007.8.21 by Emily
 733 */
 734 /********************************************************************************************************************
 735  *function:  Construct  Information Element in Beacon... in RT2RT condition
 736  *   input:  struct ieee80211_device*   ieee
 737  *           u8*                        posRT2RTAgg //pointer to store Information Ele
 738  *           u8*                        len   //store len
 739  *  output:  none
 740  *  return:  none
 741  *  notice:
 742   * *****************************************************************************************************************/
 743 void HTConstructRT2RTAggElement(struct ieee80211_device *ieee, u8 *posRT2RTAgg, u8 *len)
 744 {
 745         if (posRT2RTAgg == NULL) {
 746                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posRT2RTAgg can't be null in HTConstructRT2RTAggElement()\n");
 747                 return;
 748         }
 749         memset(posRT2RTAgg, 0, *len);
 750         *posRT2RTAgg++ = 0x00;
 751         *posRT2RTAgg++ = 0xe0;
 752         *posRT2RTAgg++ = 0x4c;
 753         *posRT2RTAgg++ = 0x02;
 754         *posRT2RTAgg++ = 0x01;
 755         *posRT2RTAgg = 0x10;//*posRT2RTAgg = 0x02;
 756
 757         if(ieee->bSupportRemoteWakeUp) {
 758                 *posRT2RTAgg |= 0x08;//RT_HT_CAP_USE_WOW;
 759         }
 760
 761         *len = 6 + 2;
 762         return;
 763 #ifdef TODO
 764 #if (HAL_CODE_BASE == RTL8192 && DEV_BUS_TYPE == USB_INTERFACE)
 765         /*
 766         //Emily. If it is required to Ask Realtek AP to send AMPDU during AES mode, enable this
 767            section of code.
 768         if(IS_UNDER_11N_AES_MODE(Adapter))
 769         {
 770                 posRT2RTAgg->Octet[5] |=RT_HT_CAP_USE_AMPDU;
 771         }else
 772         {
 773                 posRT2RTAgg->Octet[5] &= 0xfb;
 774         }
 775         */
 776
 777 #else
 778         // Do Nothing
 779 #endif
 780
 781         posRT2RTAgg->Length = 6;
 782 #endif
 783
 784
 785
 786
 787 }
 788
 789
 790 /********************************************************************************************************************
 791  *function:  Pick the right Rate Adaptive table to use
 792  *   input:  struct ieee80211_device*   ieee
 793  *           u8*                        pOperateMCS //A pointer to MCS rate bitmap
 794  *  return:  always we return true
 795  *  notice:
 796   * *****************************************************************************************************************/
 797 static u8 HT_PickMCSRate(struct ieee80211_device *ieee, u8 *pOperateMCS)
 798 {
 799         u8                                      i;
 800         if (pOperateMCS == NULL)
 801         {
 802                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "pOperateMCS can't be null in HT_PickMCSRate()\n");
 803                 return false;
 804         }
 805
 806         switch (ieee->mode)
 807         {
 808         case IEEE_A:
 809         case IEEE_B:
 810         case IEEE_G:
 811                         //legacy rate routine handled at selectedrate
 812
 813                         //no MCS rate
 814                         for(i=0;i<=15;i++){
 815                                 pOperateMCS[i] = 0;
 816                         }
 817                         break;
 818
 819         case IEEE_N_24G:        //assume CCK rate ok
 820         case IEEE_N_5G:
 821                         // Legacy part we only use 6, 5.5,2,1 for N_24G and 6 for N_5G.
 822                         // Legacy part shall be handled at SelectRateSet().
 823
 824                         //HT part
 825                         // TODO: may be different if we have different number of antenna
 826                         pOperateMCS[0] &=RATE_ADPT_1SS_MASK;    //support MCS 0~7
 827                         pOperateMCS[1] &=RATE_ADPT_2SS_MASK;
 828                         pOperateMCS[3] &=RATE_ADPT_MCS32_MASK;
 829                         break;
 830
 831         //should never reach here
 832         default:
 833
 834                         break;
 835
 836         }
 837
 838         return true;
 839 }
 840
 841 /*
 842 *       Description:
 843 *               This function will get the highest speed rate in input MCS set.
 844 *
 845 *       /param  Adapter                 Pionter to Adapter entity
 846 *                       pMCSRateSet             Pointer to MCS rate bitmap
 847 *                       pMCSFilter              Pointer to MCS rate filter
 848 *
 849 *       /return Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter.
 850 *
 851 */
 852 /********************************************************************************************************************
 853  *function:  This function will get the highest speed rate in input MCS set.
 854  *   input:  struct ieee80211_device*   ieee
 855  *           u8*                        pMCSRateSet //Pointer to MCS rate bitmap
 856  *           u8*                        pMCSFilter //Pointer to MCS rate filter
 857  *  return:  Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter
 858  *  notice:
 859   * *****************************************************************************************************************/
 860 u8 HTGetHighestMCSRate(struct ieee80211_device *ieee, u8 *pMCSRateSet, u8 *pMCSFilter)
 861 {
 862         u8              i, j;
 863         u8              bitMap;
 864         u8              mcsRate = 0;
 865         u8              availableMcsRate[16];
 866         if (pMCSRateSet == NULL || pMCSFilter == NULL)
 867         {
 868                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "pMCSRateSet or pMCSFilter can't be null in HTGetHighestMCSRate()\n");
 869                 return false;
 870         }
 871         for(i=0; i<16; i++)
 872                 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
 873
 874         for(i = 0; i < 16; i++)
 875         {
 876                 if(availableMcsRate[i] != 0)
 877                         break;
 878         }
 879         if(i == 16)
 880                 return false;
 881
 882         for(i = 0; i < 16; i++)
 883         {
 884                 if(availableMcsRate[i] != 0)
 885                 {
 886                         bitMap = availableMcsRate[i];
 887                         for(j = 0; j < 8; j++)
 888                         {
 889                                 if((bitMap%2) != 0)
 890                                 {
 891                                         if(HTMcsToDataRate(ieee, (8*i+j)) > HTMcsToDataRate(ieee, mcsRate))
 892                                                 mcsRate = (8*i+j);
 893                                 }
 894                                 bitMap = bitMap>>1;
 895                         }
 896                 }
 897         }
 898         return (mcsRate|0x80);
 899 }
 900
 901
 902
 903 /*
 904 **
 905 **1.Filter our operation rate set with AP's rate set
 906 **2.shall reference channel bandwidth, STBC, Antenna number
 907 **3.generate rate adative table for firmware
 908 **David 20060906
 909 **
 910 ** \pHTSupportedCap: the connected STA's supported rate Capability element
 911 */
 912 static u8 HTFilterMCSRate(struct ieee80211_device *ieee, u8 *pSupportMCS,
 913                           u8 *pOperateMCS)
 914 {
 915
 916         u8 i=0;
 917
 918         // filter out operational rate set not supported by AP, the length of it is 16
 919         for(i=0;i<=15;i++){
 920                 pOperateMCS[i] = ieee->Regdot11HTOperationalRateSet[i]&pSupportMCS[i];
 921         }
 922
 923
 924         // TODO: adjust our operational rate set  according to our channel bandwidth, STBC and Antenna number
 925
 926         // TODO: fill suggested rate adaptive rate index and give firmware info using Tx command packet
 927         // we also shall suggested the first start rate set according to our singal strength
 928         HT_PickMCSRate(ieee, pOperateMCS);
 929
 930         // For RTL819X, if pairwisekey = wep/tkip, we support only MCS0~7.
 931         if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
 932                 pOperateMCS[1] = 0;
 933
 934         //
 935         // For RTL819X, we support only MCS0~15.
 936         // And also, we do not know how to use MCS32 now.
 937         //
 938         for(i=2; i<=15; i++)
 939                 pOperateMCS[i] = 0;
 940
 941         return true;
 942 }
 943 void HTSetConnectBwMode(struct ieee80211_device *ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET    Offset);
 944 void HTOnAssocRsp(struct ieee80211_device *ieee)
 945 {
 946         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
 947         PHT_CAPABILITY_ELE              pPeerHTCap = NULL;
 948         PHT_INFORMATION_ELE             pPeerHTInfo = NULL;
 949         u16     nMaxAMSDUSize = 0;
 950         u8      *pMcsFilter = NULL;
 951
 952         static u8                               EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};               // For 11n EWC definition, 2007.07.17, by Emily
 953         static u8                               EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};      // For 11n EWC definition, 2007.07.17, by Emily
 954
 955         if( pHTInfo->bCurrentHTSupport == false )
 956         {
 957                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "<=== HTOnAssocRsp(): HT_DISABLE\n");
 958                 return;
 959         }
 960         IEEE80211_DEBUG(IEEE80211_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n");
 961 //      IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTCapBuf, sizeof(HT_CAPABILITY_ELE));
 962 //      IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTInfoBuf, sizeof(HT_INFORMATION_ELE));
 963
 964 //      HTDebugHTCapability(pHTInfo->PeerHTCapBuf,"HTOnAssocRsp_wq");
 965 //      HTDebugHTInfo(pHTInfo->PeerHTInfoBuf,"HTOnAssocRsp_wq");
 966         //
 967         if(!memcmp(pHTInfo->PeerHTCapBuf,EWC11NHTCap, sizeof(EWC11NHTCap)))
 968                 pPeerHTCap = (PHT_CAPABILITY_ELE)(&pHTInfo->PeerHTCapBuf[4]);
 969         else
 970                 pPeerHTCap = (PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf);
 971
 972         if(!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
 973                 pPeerHTInfo = (PHT_INFORMATION_ELE)(&pHTInfo->PeerHTInfoBuf[4]);
 974         else
 975                 pPeerHTInfo = (PHT_INFORMATION_ELE)(pHTInfo->PeerHTInfoBuf);
 976
 977
 978         ////////////////////////////////////////////////////////
 979         // Configurations:
 980         ////////////////////////////////////////////////////////
 981         IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTCap, sizeof(HT_CAPABILITY_ELE));
 982 //      IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTInfo, sizeof(HT_INFORMATION_ELE));
 983         // Config Supported Channel Width setting
 984         //
 985         HTSetConnectBwMode(ieee, (HT_CHANNEL_WIDTH)(pPeerHTCap->ChlWidth), (HT_EXTCHNL_OFFSET)(pPeerHTInfo->ExtChlOffset));
 986
 987 //      if(pHTInfo->bCurBW40MHz == true)
 988                 pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1)?true:false);
 989
 990         //
 991         // Update short GI/ long GI setting
 992         //
 993         // TODO:
 994         pHTInfo->bCurShortGI20MHz=
 995                 ((pHTInfo->bRegShortGI20MHz)?((pPeerHTCap->ShortGI20Mhz==1)?true:false):false);
 996         pHTInfo->bCurShortGI40MHz=
 997                 ((pHTInfo->bRegShortGI40MHz)?((pPeerHTCap->ShortGI40Mhz==1)?true:false):false);
 998
 999         //
1000         // Config TX STBC setting
1001         //
1002         // TODO:
1003
1004         //
1005         // Config DSSS/CCK  mode in 40MHz mode
1006         //
1007         // TODO:
1008         pHTInfo->bCurSuppCCK =
1009                 ((pHTInfo->bRegSuppCCK)?((pPeerHTCap->DssCCk==1)?true:false):false);
1010
1011
1012         //
1013         // Config and configure A-MSDU setting
1014         //
1015         pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
1016
1017         nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize==0)?3839:7935;
1018
1019         if(pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize )
1020                 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
1021         else
1022                 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
1023
1024
1025         //
1026         // Config A-MPDU setting
1027         //
1028         pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
1029
1030         // <1> Decide AMPDU Factor
1031
1032         // By Emily
1033         if(!pHTInfo->bRegRT2RTAggregation)
1034         {
1035                 // Decide AMPDU Factor according to protocol handshake
1036                 if(pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
1037                         pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
1038                 else
1039                         pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
1040
1041         }else
1042         {
1043                 // Set MPDU density to 2 to Realtek AP, and set it to 0 for others
1044                 // Replace MPDU factor declared in original association response frame format. 2007.08.20 by Emily
1045                 if (ieee->current_network.bssht.bdRT2RTAggregation)
1046                 {
1047                         if( ieee->pairwise_key_type != KEY_TYPE_NA)
1048                                 // Realtek may set 32k in security mode and 64k for others
1049                                 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
1050                         else
1051                                 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
1052                 }else
1053                 {
1054                         if(pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K)
1055                                 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
1056                         else
1057                                 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K;
1058                 }
1059         }
1060
1061         // <2> Set AMPDU Minimum MPDU Start Spacing
1062         // 802.11n 3.0 section 9.7d.3
1063         if(pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
1064                 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
1065         else
1066                 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
1067         if(ieee->pairwise_key_type != KEY_TYPE_NA )
1068                 pHTInfo->CurrentMPDUDensity     = 7; // 8us
1069         // Force TX AMSDU
1070
1071         // Lanhsin: mark for tmp to avoid deauth by ap from  s3
1072         //if(memcmp(pMgntInfo->Bssid, NETGEAR834Bv2_BROADCOM, 3)==0)
1073         if(0)
1074                 {
1075
1076                         pHTInfo->bCurrentAMPDUEnable = false;
1077                         pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
1078                         pHTInfo->ForcedAMSDUMaxSize = 7935;
1079
1080                 pHTInfo->IOTAction |=  HT_IOT_ACT_TX_USE_AMSDU_8K;
1081         }
1082
1083         // Rx Reorder Setting
1084         pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;
1085
1086         //
1087         // Filter out unsupported HT rate for this AP
1088         // Update RATR table
1089         // This is only for 8190 ,8192 or later product which using firmware to handle rate adaptive mechanism.
1090         //
1091
1092         // Handle Ralink AP bad MCS rate set condition. Joseph.
1093         // This fix the bug of Ralink AP. This may be removed in the future.
1094         if(pPeerHTCap->MCS[0] == 0)
1095                 pPeerHTCap->MCS[0] = 0xff;
1096
1097         HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);
1098
1099         //
1100         // Config MIMO Power Save setting
1101         //
1102         pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
1103         if(pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
1104                 pMcsFilter = MCS_FILTER_1SS;
1105         else
1106                 pMcsFilter = MCS_FILTER_ALL;
1107         //WB add for MCS8 bug
1108 //      pMcsFilter = MCS_FILTER_1SS;
1109         ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, pMcsFilter);
1110         ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
1111
1112         //
1113         // Config current operation mode.
1114         //
1115         pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
1116
1117
1118
1119 }
1120
1121 void HTSetConnectBwModeCallback(struct ieee80211_device *ieee);
1122 /********************************************************************************************************************
1123  *function:  initialize HT info(struct PRT_HIGH_THROUGHPUT)
1124  *   input:  struct ieee80211_device*   ieee
1125  *  output:  none
1126  *  return:  none
1127  *  notice: This function is called when *  (1) MPInitialization Phase *  (2) Receiving of Deauthentication from AP
1128 ********************************************************************************************************************/
1129 // TODO: Should this funciton be called when receiving of Disassociation?
1130 void HTInitializeHTInfo(struct ieee80211_device *ieee)
1131 {
1132         PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1133
1134         //
1135         // These parameters will be reset when receiving deauthentication packet
1136         //
1137         IEEE80211_DEBUG(IEEE80211_DL_HT, "===========>%s()\n", __FUNCTION__);
1138         pHTInfo->bCurrentHTSupport = false;
1139
1140         // 40MHz channel support
1141         pHTInfo->bCurBW40MHz = false;
1142         pHTInfo->bCurTxBW40MHz = false;
1143
1144         // Short GI support
1145         pHTInfo->bCurShortGI20MHz = false;
1146         pHTInfo->bCurShortGI40MHz = false;
1147         pHTInfo->bForcedShortGI = false;
1148
1149         // CCK rate support
1150         // This flag is set to true to support CCK rate by default.
1151         // It will be affected by "pHTInfo->bRegSuppCCK" and AP capabilities only when associate to
1152         // 11N BSS.
1153         pHTInfo->bCurSuppCCK = true;
1154
1155         // AMSDU related
1156         pHTInfo->bCurrent_AMSDU_Support = false;
1157         pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
1158
1159         // AMPUD related
1160         pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
1161         pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
1162
1163
1164
1165         // Initialize all of the parameters related to 11n
1166         memset((void *)(&(pHTInfo->SelfHTCap)), 0, sizeof(pHTInfo->SelfHTCap));
1167         memset((void *)(&(pHTInfo->SelfHTInfo)), 0, sizeof(pHTInfo->SelfHTInfo));
1168         memset((void *)(&(pHTInfo->PeerHTCapBuf)), 0, sizeof(pHTInfo->PeerHTCapBuf));
1169         memset((void *)(&(pHTInfo->PeerHTInfoBuf)), 0, sizeof(pHTInfo->PeerHTInfoBuf));
1170
1171         pHTInfo->bSwBwInProgress = false;
1172         pHTInfo->ChnlOp = CHNLOP_NONE;
1173
1174         // Set default IEEE spec for Draft N
1175         pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
1176
1177         // Realtek proprietary aggregation mode
1178         pHTInfo->bCurrentRT2RTAggregation = false;
1179         pHTInfo->bCurrentRT2RTLongSlotTime = false;
1180         pHTInfo->IOTPeer = 0;
1181         pHTInfo->IOTAction = 0;
1182
1183         //MCS rate initialized here
1184         {
1185                 u8 *RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]);
1186                 RegHTSuppRateSets[0] = 0xFF;    //support MCS 0~7
1187                 RegHTSuppRateSets[1] = 0xFF;    //support MCS 8~15
1188                 RegHTSuppRateSets[4] = 0x01;    //support MCS 32
1189         }
1190 }
1191 /********************************************************************************************************************
1192  *function:  initialize Bss HT structure(struct PBSS_HT)
1193  *   input:  PBSS_HT pBssHT //to be initialized
1194  *  output:  none
1195  *  return:  none
1196  *  notice: This function is called when initialize network structure
1197 ********************************************************************************************************************/
1198 void HTInitializeBssDesc(PBSS_HT pBssHT)
1199 {
1200
1201         pBssHT->bdSupportHT = false;
1202         memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
1203         pBssHT->bdHTCapLen = 0;
1204         memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
1205         pBssHT->bdHTInfoLen = 0;
1206
1207         pBssHT->bdHTSpecVer= HT_SPEC_VER_IEEE;
1208
1209         pBssHT->bdRT2RTAggregation = false;
1210         pBssHT->bdRT2RTLongSlotTime = false;
1211 }
1212 /********************************************************************************************************************
1213  *function:  initialize Bss HT structure(struct PBSS_HT)
1214  *   input:  struct ieee80211_device    *ieee
1215  *           struct ieee80211_network   *pNetwork //usually current network we are live in
1216  *  output:  none
1217  *  return:  none
1218  *  notice: This function should ONLY be called before association
1219 ********************************************************************************************************************/
1220 void HTResetSelfAndSavePeerSetting(struct ieee80211_device *ieee,       struct ieee80211_network *pNetwork)
1221 {
1222         PRT_HIGH_THROUGHPUT             pHTInfo = ieee->pHTInfo;
1223 //      u16                                             nMaxAMSDUSize;
1224 //      PHT_CAPABILITY_ELE              pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf;
1225 //      PHT_INFORMATION_ELE             pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf;
1226 //      u8*     pMcsFilter;
1227         u8      bIOTAction = 0;
1228
1229         //
1230         //  Save Peer Setting before Association
1231         //
1232         IEEE80211_DEBUG(IEEE80211_DL_HT, "==============>%s()\n", __FUNCTION__);
1233         /*unmark bEnableHT flag here is the same reason why unmarked in function ieee80211_softmac_new_net. WB 2008.09.10*/
1234 //      if( pHTInfo->bEnableHT &&  pNetwork->bssht.bdSupportHT)
1235         if (pNetwork->bssht.bdSupportHT)
1236         {
1237                 pHTInfo->bCurrentHTSupport = true;
1238                 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer;
1239
1240                 // Save HTCap and HTInfo information Element
1241                 if(pNetwork->bssht.bdHTCapLen > 0 &&    pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf))
1242                         memcpy(pHTInfo->PeerHTCapBuf, pNetwork->bssht.bdHTCapBuf, pNetwork->bssht.bdHTCapLen);
1243
1244                 if(pNetwork->bssht.bdHTInfoLen > 0 && pNetwork->bssht.bdHTInfoLen <= sizeof(pHTInfo->PeerHTInfoBuf))
1245                         memcpy(pHTInfo->PeerHTInfoBuf, pNetwork->bssht.bdHTInfoBuf, pNetwork->bssht.bdHTInfoLen);
1246
1247                 // Check whether RT to RT aggregation mode is enabled
1248                 if(pHTInfo->bRegRT2RTAggregation)
1249                 {
1250                         pHTInfo->bCurrentRT2RTAggregation = pNetwork->bssht.bdRT2RTAggregation;
1251                         pHTInfo->bCurrentRT2RTLongSlotTime = pNetwork->bssht.bdRT2RTLongSlotTime;
1252                 }
1253                 else
1254                 {
1255                         pHTInfo->bCurrentRT2RTAggregation = false;
1256                         pHTInfo->bCurrentRT2RTLongSlotTime = false;
1257                 }
1258
1259                 // Determine the IOT Peer Vendor.
1260                 HTIOTPeerDetermine(ieee);
1261
1262                 // Decide IOT Action
1263                 // Must be called after the parameter of pHTInfo->bCurrentRT2RTAggregation is decided
1264                 pHTInfo->IOTAction = 0;
1265                 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
1266                 if(bIOTAction)
1267                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
1268
1269                 bIOTAction = HTIOTActIsDisableMCS15(ieee);
1270                 if(bIOTAction)
1271                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15;
1272
1273                 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee, pNetwork->bssid);
1274                 if(bIOTAction)
1275                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS;
1276
1277
1278                 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
1279                 if(bIOTAction)
1280                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO;
1281
1282                 bIOTAction = HTIOTActIsMgntUseCCK6M(pNetwork);
1283                 if(bIOTAction)
1284                         pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M;
1285
1286                 bIOTAction = HTIOTActIsCCDFsync(pNetwork->bssid);
1287                 if(bIOTAction)
1288                         pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
1289
1290
1291         }
1292         else
1293         {
1294                 pHTInfo->bCurrentHTSupport = false;
1295                 pHTInfo->bCurrentRT2RTAggregation = false;
1296                 pHTInfo->bCurrentRT2RTLongSlotTime = false;
1297
1298                 pHTInfo->IOTAction = 0;
1299         }
1300
1301 }
1302
1303 void HTUpdateSelfAndPeerSetting(struct ieee80211_device *ieee,  struct ieee80211_network *pNetwork)
1304 {
1305         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
1306 //      PHT_CAPABILITY_ELE              pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf;
1307         PHT_INFORMATION_ELE             pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf;
1308
1309         if(pHTInfo->bCurrentHTSupport)
1310         {
1311                 //
1312                 // Config current operation mode.
1313                 //
1314                 if(pNetwork->bssht.bdHTInfoLen != 0)
1315                         pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
1316
1317                 //
1318                 // <TODO: Config according to OBSS non-HT STA present!!>
1319                 //
1320         }
1321 }
1322
1323 /********************************************************************************************************************
1324  *function:  check whether HT control field exists
1325  *   input:  struct ieee80211_device    *ieee
1326  *           u8*                        pFrame //coming skb->data
1327  *  output:  none
1328  *  return:  return true if HT control field exists(false otherwise)
1329  *  notice:
1330 ********************************************************************************************************************/
1331 u8 HTCCheck(struct ieee80211_device *ieee, u8 *pFrame)
1332 {
1333         if(ieee->pHTInfo->bCurrentHTSupport)
1334         {
1335                 if( (IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1)
1336                 {
1337                         IEEE80211_DEBUG(IEEE80211_DL_HT, "HT CONTROL FILED EXIST!!\n");
1338                         return true;
1339                 }
1340         }
1341         return false;
1342 }
1343
1344 //
1345 // This function set bandwidth mode in protocol layer.
1346 //
1347 void HTSetConnectBwMode(struct ieee80211_device *ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET    Offset)
1348 {
1349         PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1350 //      u32 flags = 0;
1351
1352         if(pHTInfo->bRegBW40MHz == false)
1353                 return;
1354
1355
1356
1357         // To reduce dummy operation
1358 //      if((pHTInfo->bCurBW40MHz==false && Bandwidth==HT_CHANNEL_WIDTH_20) ||
1359 //         (pHTInfo->bCurBW40MHz==true && Bandwidth==HT_CHANNEL_WIDTH_20_40 && Offset==pHTInfo->CurSTAExtChnlOffset))
1360 //              return;
1361
1362 //      spin_lock_irqsave(&(ieee->bw_spinlock), flags);
1363         if(pHTInfo->bSwBwInProgress) {
1364 //              spin_unlock_irqrestore(&(ieee->bw_spinlock), flags);
1365                 return;
1366         }
1367         //if in half N mode, set to 20M bandwidth please 09.08.2008 WB.
1368         if(Bandwidth==HT_CHANNEL_WIDTH_20_40 && (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)))
1369          {
1370                         // Handle Illegal extension channel offset!!
1371                 if(ieee->current_network.channel<2 && Offset==HT_EXTCHNL_OFFSET_LOWER)
1372                         Offset = HT_EXTCHNL_OFFSET_NO_EXT;
1373                 if(Offset==HT_EXTCHNL_OFFSET_UPPER || Offset==HT_EXTCHNL_OFFSET_LOWER) {
1374                         pHTInfo->bCurBW40MHz = true;
1375                         pHTInfo->CurSTAExtChnlOffset = Offset;
1376                 } else {
1377                         pHTInfo->bCurBW40MHz = false;
1378                         pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1379                 }
1380         } else {
1381                 pHTInfo->bCurBW40MHz = false;
1382                 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1383         }
1384
1385         pHTInfo->bSwBwInProgress = true;
1386
1387         // TODO: 2007.7.13 by Emily Wait 2000ms  in order to guarantee that switching
1388         //   bandwidth is executed after scan is finished. It is a temporal solution
1389         //   because software should ganrantee the last operation of switching bandwidth
1390         //   is executed properlly.
1391         HTSetConnectBwModeCallback(ieee);
1392
1393 //      spin_unlock_irqrestore(&(ieee->bw_spinlock), flags);
1394 }
1395
1396 void HTSetConnectBwModeCallback(struct ieee80211_device *ieee)
1397 {
1398         PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1399
1400         IEEE80211_DEBUG(IEEE80211_DL_HT, "======>%s()\n", __FUNCTION__);
1401
1402         if(pHTInfo->bCurBW40MHz)
1403         {
1404                 if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_UPPER)
1405                         ieee->set_chan(ieee->dev, ieee->current_network.channel+2);
1406                 else if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_LOWER)
1407                         ieee->set_chan(ieee->dev, ieee->current_network.channel-2);
1408                 else
1409                         ieee->set_chan(ieee->dev, ieee->current_network.channel);
1410
1411                 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, pHTInfo->CurSTAExtChnlOffset);
1412         } else {
1413                 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1414                 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
1415         }
1416
1417         pHTInfo->bSwBwInProgress = false;
1418 }
1419
1420 EXPORT_SYMBOL(HTUpdateSelfAndPeerSetting);