drivers/staging/rtl8192su/ieee80211/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 "ieee80211.h"
  20 #include "rtl819x_HT.h"
  21 u8 MCS_FILTER_ALL[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
  22
  23 u8 MCS_FILTER_1SS[16] = {0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
  24
  25 u16 MCS_DATA_RATE[2][2][77] =
  26         {       {       {13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78 ,104, 156, 208, 234, 260,
  27                         39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416, 468, 520,
  28                         0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182, 182, 208, 156, 195,
  29                         195, 234, 273, 273, 312, 130, 156, 181, 156, 181, 208, 234, 208, 234, 260, 260,
  30                         286, 195, 234, 273, 234, 273, 312, 351, 312, 351, 390, 390, 429},
  31                         {14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289,
  32                         43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520, 578,
  33                         0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231, 173, 217,
  34                         217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260, 231, 260, 289, 289,
  35                         318, 217, 260, 303, 260, 303, 347, 390, 347, 390, 433, 433, 477}        },
  36                 {       {27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486, 540,
  37                         81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648, 864, 972, 1080,
  38                         12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324, 378, 378, 432, 324, 405,
  39                         405, 486, 567, 567, 648, 270, 324, 378, 324, 378, 432, 486, 432, 486, 540, 540,
  40                         594, 405, 486, 567, 486, 567, 648, 729, 648, 729, 810, 810, 891},
  41                         {30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540, 600,
  42                         90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720, 960, 1080, 1200,
  43                         13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360, 420, 420, 480, 360, 450,
  44                         450, 540, 630, 630, 720, 300, 360, 420, 360, 420, 480, 540, 480, 540, 600, 600,
  45                         660, 450, 540, 630, 540, 630, 720, 810, 720, 810, 900, 900, 990}        }
  46         };
  47
  48 static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
  49 static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
  50 static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e};
  51 static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f};
  52 static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf};
  53 static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc};
  54 static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e};
  55 static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
  56 static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0};
  57 static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91};
  58 static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
  59 static u8 NETGEAR_BROADCOM[3] = {0x00, 0x1f, 0x33};
  60 static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4};
  61
  62 /********************************************************************************************************************
  63  *function:  This function update default settings in pHTInfo structure
  64  *   input:  PRT_HIGH_THROUGHPUT        pHTInfo
  65  *  output:  none
  66  *  return:  none
  67  *  notice:  These value need be modified if any changes.
  68  * *****************************************************************************************************************/
  69 void HTUpdateDefaultSetting(struct ieee80211_device* ieee)
  70 {
  71         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
  72
  73         // ShortGI support
  74         pHTInfo->bRegShortGI20MHz= 1;
  75         pHTInfo->bRegShortGI40MHz= 1;
  76
  77         // 40MHz channel support
  78         pHTInfo->bRegBW40MHz = 1;
  79
  80         // CCK rate support in 40MHz channel
  81         if(pHTInfo->bRegBW40MHz)
  82                 pHTInfo->bRegSuppCCK = 1;
  83         else
  84                 pHTInfo->bRegSuppCCK = true;
  85
  86         // AMSDU related
  87         pHTInfo->nAMSDU_MaxSize = 7935UL;
  88         pHTInfo->bAMSDU_Support = 0;
  89
  90         // AMPDU related
  91         pHTInfo->bAMPDUEnable = 1; //YJ,test,090311
  92         pHTInfo->AMPDU_Factor = 2; //// 0: 2n13(8K), 1:2n14(16K), 2:2n15(32K), 3:2n16(64k)
  93         pHTInfo->MPDU_Density = 0;// 0: No restriction, 1: 1/8usec, 2: 1/4usec, 3: 1/2usec, 4: 1usec, 5: 2usec, 6: 4usec, 7:8usec
  94
  95         // MIMO Power Save
  96         pHTInfo->SelfMimoPs = 3;// 0: Static Mimo Ps, 1: Dynamic Mimo Ps, 3: No Limitation, 2: Reserved(Set to 3 automatically.)
  97         if(pHTInfo->SelfMimoPs == 2)
  98                 pHTInfo->SelfMimoPs = 3;
  99         // 8190 only. Assign rate operation mode to firmware
 100         ieee->bTxDisableRateFallBack = 0;
 101         ieee->bTxUseDriverAssingedRate = 0;
 102
 103 #ifdef  TO_DO_LIST
 104         // 8190 only. Assign duration operation mode to firmware
 105         pMgntInfo->bTxEnableFwCalcDur = (BOOLEAN)pNdisCommon->bRegTxEnableFwCalcDur;
 106 #endif
 107         // 8190 only, Realtek proprietary aggregation mode
 108         // Set MPDUDensity=2,   1: Set MPDUDensity=2(32k)  for Realtek AP and set MPDUDensity=0(8k) for others
 109         pHTInfo->bRegRT2RTAggregation = 1;//0: Set MPDUDensity=2,   1: Set MPDUDensity=2(32k)  for Realtek AP and set MPDUDensity=0(8k) for others
 110
 111         // For Rx Reorder Control
 112         pHTInfo->bRegRxReorderEnable = 1;//YJ,test,090311
 113         pHTInfo->RxReorderWinSize = 64;
 114         pHTInfo->RxReorderPendingTime = 30;
 115
 116
 117
 118 }
 119 /********************************************************************************************************************
 120  *function:  This function print out each field on HT capability IE mainly from (Beacon/ProbeRsp/AssocReq)
 121  *   input:  u8*        CapIE       //Capability IE to be printed out
 122  *           u8*        TitleString //mainly print out caller function
 123  *  output:  none
 124  *  return:  none
 125  *  notice:  Driver should not print out this message by default.
 126  * *****************************************************************************************************************/
 127 void HTDebugHTCapability(u8* CapIE, u8* TitleString )
 128 {
 129
 130         static u8       EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};       // For 11n EWC definition, 2007.07.17, by Emily
 131         PHT_CAPABILITY_ELE              pCapELE;
 132
 133         if(!memcmp(CapIE, EWC11NHTCap, sizeof(EWC11NHTCap)))
 134         {
 135                 //EWC IE
 136                 IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__);
 137                 pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[4]);
 138         }else
 139                 pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[0]);
 140
 141         IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Capability>. Called by %s\n", TitleString );
 142
 143         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tSupported Channel Width = %s\n", (pCapELE->ChlWidth)?"20MHz": "20/40MHz");
 144         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tSupport Short GI for 20M = %s\n", (pCapELE->ShortGI20Mhz)?"YES": "NO");
 145         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tSupport Short GI for 40M = %s\n", (pCapELE->ShortGI40Mhz)?"YES": "NO");
 146         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tSupport TX STBC = %s\n", (pCapELE->TxSTBC)?"YES": "NO");
 147         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tMax AMSDU Size = %s\n", (pCapELE->MaxAMSDUSize)?"3839": "7935");
 148         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tSupport CCK in 20/40 mode = %s\n", (pCapELE->DssCCk)?"YES": "NO");
 149         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tMax AMPDU Factor = %d\n", pCapELE->MaxRxAMPDUFactor);
 150         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tMPDU Density = %d\n", pCapELE->MPDUDensity);
 151         IEEE80211_DEBUG(IEEE80211_DL_HT,  "\tMCS Rate Set = [%x][%x][%x][%x][%x]\n", pCapELE->MCS[0],\
 152                                 pCapELE->MCS[1], pCapELE->MCS[2], pCapELE->MCS[3], pCapELE->MCS[4]);
 153         return;
 154
 155 }
 156 /********************************************************************************************************************
 157  *function:  This function print out each field on HT Information IE mainly from (Beacon/ProbeRsp)
 158  *   input:  u8*        InfoIE       //Capability IE to be printed out
 159  *           u8*        TitleString //mainly print out caller function
 160  *  output:  none
 161  *  return:  none
 162  *  notice:  Driver should not print out this message by default.
 163  * *****************************************************************************************************************/
 164 void HTDebugHTInfo(u8*  InfoIE, u8* TitleString)
 165 {
 166
 167         static u8       EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};      // For 11n EWC definition, 2007.07.17, by Emily
 168         PHT_INFORMATION_ELE             pHTInfoEle;
 169
 170         if(!memcmp(InfoIE, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
 171         {
 172                 // Not EWC IE
 173                 IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__);
 174                 pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[4]);
 175         }else
 176                 pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[0]);
 177
 178
 179         IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Information Element>. Called by %s\n", TitleString);
 180
 181         IEEE80211_DEBUG(IEEE80211_DL_HT, "\tPrimary channel = %d\n", pHTInfoEle->ControlChl);
 182         IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSenondary channel =");
 183         switch(pHTInfoEle->ExtChlOffset)
 184         {
 185                 case 0:
 186                         IEEE80211_DEBUG(IEEE80211_DL_HT, "Not Present\n");
 187                         break;
 188                 case 1:
 189                         IEEE80211_DEBUG(IEEE80211_DL_HT, "Upper channel\n");
 190                         break;
 191                 case 2:
 192                         IEEE80211_DEBUG(IEEE80211_DL_HT, "Reserved. Eooro!!!\n");
 193                         break;
 194                 case 3:
 195                         IEEE80211_DEBUG(IEEE80211_DL_HT, "Lower Channel\n");
 196                         break;
 197         }
 198         IEEE80211_DEBUG(IEEE80211_DL_HT, "\tRecommended channel width = %s\n", (pHTInfoEle->RecommemdedTxWidth)?"20Mhz": "40Mhz");
 199
 200         IEEE80211_DEBUG(IEEE80211_DL_HT, "\tOperation mode for protection = ");
 201         switch(pHTInfoEle->OptMode)
 202         {
 203                 case 0:
 204                         IEEE80211_DEBUG(IEEE80211_DL_HT, "No Protection\n");
 205                         break;
 206                 case 1:
 207                         IEEE80211_DEBUG(IEEE80211_DL_HT, "HT non-member protection mode\n");
 208                         break;
 209                 case 2:
 210                         IEEE80211_DEBUG(IEEE80211_DL_HT, "Suggest to open protection\n");
 211                         break;
 212                 case 3:
 213                         IEEE80211_DEBUG(IEEE80211_DL_HT, "HT mixed mode\n");
 214                         break;
 215         }
 216
 217         IEEE80211_DEBUG(IEEE80211_DL_HT, "\tBasic MCS Rate Set = [%x][%x][%x][%x][%x]\n", pHTInfoEle->BasicMSC[0],\
 218                                 pHTInfoEle->BasicMSC[1], pHTInfoEle->BasicMSC[2], pHTInfoEle->BasicMSC[3], pHTInfoEle->BasicMSC[4]);
 219         return;
 220 }
 221
 222 /*
 223 *       Return:         true if station in half n mode and AP supports 40 bw
 224 */
 225 bool IsHTHalfNmode40Bandwidth(struct ieee80211_device* ieee)
 226 {
 227         bool                    retValue = false;
 228         PRT_HIGH_THROUGHPUT      pHTInfo = ieee->pHTInfo;
 229
 230         if(pHTInfo->bCurrentHTSupport == false )        // wireless is n mode
 231                 retValue = false;
 232         else if(pHTInfo->bRegBW40MHz == false)  // station supports 40 bw
 233                 retValue = false;
 234         else if(!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))      // station in half n mode
 235                 retValue = false;
 236         else if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ChlWidth) // ap support 40 bw
 237                 retValue = true;
 238         else
 239                 retValue = false;
 240
 241         return retValue;
 242 }
 243
 244 bool IsHTHalfNmodeSGI(struct ieee80211_device* ieee, bool is40MHz)
 245 {
 246         bool                    retValue = false;
 247         PRT_HIGH_THROUGHPUT      pHTInfo = ieee->pHTInfo;
 248
 249         if(pHTInfo->bCurrentHTSupport == false )        // wireless is n mode
 250                 retValue = false;
 251         else if(!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))      // station in half n mode
 252                 retValue = false;
 253         else if(is40MHz) // ap support 40 bw
 254         {
 255                 if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI40Mhz) // ap support 40 bw short GI
 256                         retValue = true;
 257                 else
 258                         retValue = false;
 259         }
 260         else
 261         {
 262                 if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI20Mhz) // ap support 40 bw short GI
 263                         retValue = true;
 264                 else
 265                         retValue = false;
 266         }
 267
 268         return retValue;
 269 }
 270
 271 u16 HTHalfMcsToDataRate(struct ieee80211_device* ieee,  u8      nMcsRate)
 272 {
 273
 274         u8      is40MHz;
 275         u8      isShortGI;
 276
 277         is40MHz  =  (IsHTHalfNmode40Bandwidth(ieee))?1:0;
 278         isShortGI = (IsHTHalfNmodeSGI(ieee, is40MHz))? 1:0;
 279
 280         return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)];
 281 }
 282
 283
 284 u16 HTMcsToDataRate( struct ieee80211_device* ieee, u8 nMcsRate)
 285 {
 286         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
 287
 288         u8      is40MHz = (pHTInfo->bCurBW40MHz)?1:0;
 289         u8      isShortGI = (pHTInfo->bCurBW40MHz)?
 290                                                 ((pHTInfo->bCurShortGI40MHz)?1:0):
 291                                                 ((pHTInfo->bCurShortGI20MHz)?1:0);
 292         return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)];
 293 }
 294
 295 /********************************************************************************************************************
 296  *function:  This function returns current datarate.
 297  *   input:  struct ieee80211_device*   ieee
 298  *           u8                         nDataRate
 299  *  output:  none
 300  *  return:  tx rate
 301  *  notice:  quite unsure about how to use this function //wb
 302  * *****************************************************************************************************************/
 303 u16  TxCountToDataRate( struct ieee80211_device* ieee, u8 nDataRate)
 304 {
 305         u16             CCKOFDMRate[12] = {0x02 , 0x04 , 0x0b , 0x16 , 0x0c , 0x12 , 0x18 , 0x24 , 0x30 , 0x48 , 0x60 , 0x6c};
 306         u8      is40MHz = 0;
 307         u8      isShortGI = 0;
 308
 309         if(nDataRate < 12)
 310         {
 311                 return CCKOFDMRate[nDataRate];
 312         }
 313         else
 314         {
 315                 if (nDataRate >= 0x10 && nDataRate <= 0x1f)//if(nDataRate > 11 && nDataRate < 28 )
 316                 {
 317                         is40MHz = 0;
 318                         isShortGI = 0;
 319
 320                 }
 321                 else if(nDataRate >=0x20  && nDataRate <= 0x2f ) //(27, 44)
 322                 {
 323                         is40MHz = 1;
 324                         isShortGI = 0;
 325
 326                 }
 327                 else if(nDataRate >= 0x30  && nDataRate <= 0x3f )  //(43, 60)
 328                 {
 329                         is40MHz = 0;
 330                         isShortGI = 1;
 331
 332                 }
 333                 else if(nDataRate >= 0x40  && nDataRate <= 0x4f ) //(59, 76)
 334                 {
 335                         is40MHz = 1;
 336                         isShortGI = 1;
 337
 338                 }
 339                 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf];
 340         }
 341 }
 342
 343
 344
 345 bool IsHTHalfNmodeAPs(struct ieee80211_device* ieee)
 346 {
 347         bool                    retValue = false;
 348         struct ieee80211_network* net = &ieee->current_network;
 349
 350         if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
 351                      (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
 352                      (memcmp(net->bssid, PCI_RALINK, 3)==0) ||
 353                      (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) ||
 354                      (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) ||
 355                      (net->ralink_cap_exist))
 356                 retValue = true;
 357         else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
 358                     (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
 359                     (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
 360                     (net->broadcom_cap_exist))
 361                   retValue = true;
 362         else if(net->bssht.bdRT2RTAggregation)
 363                 retValue = true;
 364         else
 365                 retValue = false;
 366
 367         return retValue;
 368 }
 369
 370 /********************************************************************************************************************
 371  *function:  This function returns peer IOT.
 372  *   input:  struct ieee80211_device*   ieee
 373  *  output:  none
 374  *  return:
 375  *  notice:
 376  * *****************************************************************************************************************/
 377 void HTIOTPeerDetermine(struct ieee80211_device* ieee)
 378 {
 379         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
 380         struct ieee80211_network* net = &ieee->current_network;
 381         //FIXME: need to decide  92U_SOFTAP //LZM,090320
 382         if(net->bssht.bdRT2RTAggregation){
 383                 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
 384                 if(net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE){
 385                         pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE;
 386                 }
 387                 if(net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP){
 388                         pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP;
 389                 }
 390         }
 391         else if(net->broadcom_cap_exist)
 392                 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
 393         else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
 394                         (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
 395                         (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0))
 396                 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
 397         else if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
 398                         (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
 399                         (memcmp(net->bssid, PCI_RALINK, 3)==0) ||
 400                         (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) ||
 401                         (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) ||
 402                          net->ralink_cap_exist)
 403                 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
 404         else if((net->atheros_cap_exist )||
 405                 (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0)||
 406                 (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0))
 407                 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
 408         else if ((memcmp(net->bssid, CISCO_BROADCOM, 3)==0)||net->cisco_cap_exist)
 409                 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
 410         else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
 411                   net->marvell_cap_exist)
 412                 pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL;
 413         else
 414                 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
 415
 416         IEEE80211_DEBUG(IEEE80211_DL_IOT, "Joseph debug!! IOTPEER: %x\n", pHTInfo->IOTPeer);
 417 }
 418 /********************************************************************************************************************
 419  *function:  Check whether driver should declare received rate up to MCS13 only since some chipset is not good
 420  *           at receiving MCS14~15 frame from some AP.
 421  *   input:  struct ieee80211_device*   ieee
 422  *           u8 *                       PeerMacAddr
 423  *  output:  none
 424  *  return:  return 1 if driver should declare MCS13 only(otherwise return 0)
 425   * *****************************************************************************************************************/
 426 u8 HTIOTActIsDisableMCS14(struct ieee80211_device* ieee, u8* PeerMacAddr)
 427 {
 428         u8 ret = 0;
 429
 430         return ret;
 431  }
 432
 433
 434 /**
 435 * Function:     HTIOTActIsDisableMCS15
 436 *
 437 * Overview:     Check whether driver should declare capability of receving MCS15
 438 *
 439 * Input:
 440 *                       PADAPTER                Adapter,
 441 *
 442 * Output:               None
 443 * Return:       true if driver should disable MCS15
 444 * 2008.04.15    Emily
 445 */
 446 bool HTIOTActIsDisableMCS15(struct ieee80211_device* ieee)
 447 {
 448         bool retValue = false;
 449         return retValue;
 450 }
 451
 452 /**
 453 * Function:     HTIOTActIsDisableMCSTwoSpatialStream
 454 *
 455 * Overview:     Check whether driver should declare capability of receving All 2 ss packets
 456 *
 457 * Input:
 458 *               PADAPTER                Adapter,
 459 *
 460 * Output:       None
 461 * Return:       true if driver should disable all two spatial stream packet
 462 * 2008.04.21    Emily
 463 */
 464 bool HTIOTActIsDisableMCSTwoSpatialStream(struct ieee80211_device* ieee)
 465 {
 466         bool retValue = false;
 467 #ifdef TODO
 468         // Apply for 819u only
 469 //#if (HAL_CODE_BASE==RTL8192)
 470
 471         //This rule only apply to Belkin(Ralink) AP
 472         if(IS_UNDER_11N_AES_MODE(Adapter))
 473         {
 474                 if((PlatformCompareMemory(PeerMacAddr, BELKINF5D8233V1_RALINK, 3)==0) ||
 475                                 (PlatformCompareMemory(PeerMacAddr, PCI_RALINK, 3)==0) ||
 476                                 (PlatformCompareMemory(PeerMacAddr, EDIMAX_RALINK, 3)==0))
 477                 {
 478                         //Set True to disable this function. Disable by default, Emily, 2008.04.23
 479                         retValue = false;
 480                 }
 481         }
 482
 483 //#endif
 484 #endif
 485 #if 1
 486        PRT_HIGH_THROUGHPUT      pHTInfo = ieee->pHTInfo;
 487         if(ieee->is_ap_in_wep_tkip && ieee->is_ap_in_wep_tkip(ieee->dev))
 488         {
 489                 if( (pHTInfo->IOTPeer != HT_IOT_PEER_ATHEROS) &&
 490                     (pHTInfo->IOTPeer != HT_IOT_PEER_UNKNOWN) &&
 491                     (pHTInfo->IOTPeer != HT_IOT_PEER_MARVELL) )
 492                         retValue = true;
 493         }
 494 #endif
 495         return retValue;
 496 }
 497
 498 /********************************************************************************************************************
 499  *function:  Check whether driver should disable EDCA turbo mode
 500  *   input:  struct ieee80211_device*   ieee
 501  *           u8*                        PeerMacAddr
 502  *  output:  none
 503  *  return:  return 1 if driver should disable EDCA turbo mode(otherwise return 0)
 504   * *****************************************************************************************************************/
 505 u8 HTIOTActIsDisableEDCATurbo(struct ieee80211_device*  ieee, u8* PeerMacAddr)
 506 {
 507         u8      retValue = false;       // default enable EDCA Turbo mode.
 508         // Set specific EDCA parameter for different AP in DM handler.
 509
 510         return retValue;
 511 }
 512
 513 /********************************************************************************************************************
 514  *function:  Check whether we need to use OFDM to sned MGNT frame for broadcom AP
 515  *   input:  struct ieee80211_network *network   //current network we live
 516  *  output:  none
 517  *  return:  return 1 if true
 518   * *****************************************************************************************************************/
 519 u8 HTIOTActIsMgntUseCCK6M(struct ieee80211_network *network)
 520 {
 521         u8      retValue = 0;
 522
 523         // 2008/01/25 MH Judeg if we need to use OFDM to sned MGNT frame for broadcom AP.
 524         // 2008/01/28 MH We must prevent that we select null bssid to link.
 525
 526         if(network->broadcom_cap_exist)
 527         {
 528                 retValue = 1;
 529         }
 530
 531         return retValue;
 532 }
 533
 534 u8 HTIOTActIsForcedCTS2Self(struct ieee80211_network *network)
 535 {
 536         u8      retValue = 0;
 537
 538         if(network->marvell_cap_exist)
 539         {
 540                 retValue = 1;
 541         }
 542
 543         return retValue;
 544 }
 545
 546 u8 HTIOTActIsForcedRTSCTS(struct ieee80211_device *ieee, struct ieee80211_network *network)
 547 {
 548         u8      retValue = 0;
 549         printk("============>%s(), %d\n", __FUNCTION__, network->realtek_cap_exit);
 550         // Force protection
 551         if(ieee->pHTInfo->bCurrentHTSupport)
 552         {
 553                 //if(!network->realtek_cap_exit)
 554                 if((ieee->pHTInfo->IOTPeer != HT_IOT_PEER_REALTEK)&&
 555                    (ieee->pHTInfo->IOTPeer != HT_IOT_PEER_REALTEK_92SE))
 556         {
 557                         if((ieee->pHTInfo->IOTAction & HT_IOT_ACT_TX_NO_AGGREGATION) == 0)
 558                                 retValue = 1;
 559                 }
 560         }
 561         return retValue;
 562 }
 563
 564 u8
 565 HTIOTActIsForcedAMSDU8K(struct ieee80211_device *ieee, struct ieee80211_network *network)
 566 {
 567         u8 retValue = 0;
 568
 569         return retValue;
 570 }
 571
 572 u8 HTIOTActIsCCDFsync(u8* PeerMacAddr)
 573 {
 574         u8      retValue = 0;
 575         if(     (memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0) ||
 576                 (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0) ||
 577                 (memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ==0))
 578         {
 579                 retValue = 1;
 580         }
 581         return retValue;
 582 }
 583
 584 /*
 585   *  819xS single chip b-cut series cannot handle BAR
 586   */
 587 u8
 588 HTIOCActRejcectADDBARequest(struct ieee80211_network *network)
 589 {
 590         u8      retValue = 0;
 591         //if(IS_HARDWARE_TYPE_8192SE(Adapter) ||
 592         //      IS_HARDWARE_TYPE_8192SU(Adapter)
 593         //)
 594         {
 595                 // Do not reject ADDBA REQ because some of the AP may
 596                 // keep on sending ADDBA REQ qhich cause DHCP fail or ping loss!
 597                 // by HPFan, 2008/12/30
 598
 599                 //if(pBssDesc->Vender == HT_IOT_PEER_MARVELL)
 600                 //      return FALSE;
 601
 602         }
 603
 604         return retValue;
 605
 606 }
 607
 608 /*
 609   *  EDCA parameters bias on downlink
 610   */
 611   u8
 612   HTIOTActIsEDCABiasRx(struct ieee80211_device* ieee,struct ieee80211_network *network)
 613 {
 614         u8      retValue = 0;
 615         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
 616         {
 617                 if(pHTInfo->IOTPeer==HT_IOT_PEER_ATHEROS ||
 618                    pHTInfo->IOTPeer==HT_IOT_PEER_BROADCOM ||
 619                    pHTInfo->IOTPeer==HT_IOT_PEER_RALINK)
 620                         return 1;
 621
 622         }
 623         return retValue;
 624 }
 625
 626 u8
 627 HTIOTActDisableShortGI(struct ieee80211_device* ieee,struct ieee80211_network *network)
 628 {
 629         u8      retValue = 0;
 630         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
 631
 632         if(pHTInfo->IOTPeer==HT_IOT_PEER_RALINK)
 633         {
 634                         retValue = 1;
 635         }
 636
 637         return retValue;
 638 }
 639
 640 u8
 641 HTIOTActDisableHighPower(struct ieee80211_device* ieee,struct ieee80211_network *network)
 642 {
 643         u8      retValue = 0;
 644         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
 645
 646         if(pHTInfo->IOTPeer==HT_IOT_PEER_RALINK ||
 647                 pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK ||
 648                 pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK_92SE)
 649         {
 650                         retValue = 1;
 651         }
 652
 653         return retValue;
 654 }
 655
 656 void
 657 HTIOTActDetermineRaFunc(struct ieee80211_device* ieee,  bool    bPeerRx2ss)
 658 {
 659         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
 660         pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL;
 661
 662         if(pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss)
 663                 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R;
 664
 665         if(pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE)
 666                 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU;
 667
 668         printk("!!!!!!!!!!!!!!!!!!!!!!!!!!!IOTRaFunc = %8.8x\n", pHTInfo->IOTRaFunc);
 669 }
 670
 671
 672 u8
 673 HTIOTActIsDisableTx40MHz(struct ieee80211_device* ieee,struct ieee80211_network *network)
 674 {
 675         u8      retValue = 0;
 676
 677         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
 678         if(     (KEY_TYPE_WEP104 == ieee->pairwise_key_type) ||
 679                 (KEY_TYPE_WEP40 == ieee->pairwise_key_type) ||
 680                 (KEY_TYPE_WEP104 == ieee->group_key_type) ||
 681                 (KEY_TYPE_WEP40 == ieee->group_key_type) ||
 682                 (KEY_TYPE_TKIP == ieee->pairwise_key_type) )
 683         {
 684                 if((pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK) && (network->bssht.bdSupportHT))
 685                         retValue = 1;
 686         }
 687
 688         return retValue;
 689 }
 690
 691 u8
 692 HTIOTActIsTxNoAggregation(struct ieee80211_device* ieee,struct ieee80211_network *network)
 693 {
 694         u8 retValue = 0;
 695
 696         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
 697         if(     (KEY_TYPE_WEP104 == ieee->pairwise_key_type) ||
 698                 (KEY_TYPE_WEP40 == ieee->pairwise_key_type) ||
 699                 (KEY_TYPE_WEP104 == ieee->group_key_type) ||
 700                 (KEY_TYPE_WEP40 == ieee->group_key_type) ||
 701                 (KEY_TYPE_TKIP == ieee->pairwise_key_type) )
 702         {
 703                 if(pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK)
 704                         retValue = 1;
 705         }
 706
 707         return retValue;
 708 }
 709
 710
 711 u8
 712 HTIOTActIsDisableTx2SS(struct ieee80211_device* ieee,struct ieee80211_network *network)
 713 {
 714         u8      retValue = 0;
 715
 716         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
 717         if(     (KEY_TYPE_WEP104 == ieee->pairwise_key_type) ||
 718                 (KEY_TYPE_WEP40 == ieee->pairwise_key_type) ||
 719                 (KEY_TYPE_WEP104 == ieee->group_key_type) ||
 720                 (KEY_TYPE_WEP40 == ieee->group_key_type) ||
 721                 (KEY_TYPE_TKIP == ieee->pairwise_key_type) )
 722         {
 723                 if((pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK) && (network->bssht.bdSupportHT))
 724                         retValue = 1;
 725         }
 726
 727         return retValue;
 728 }
 729
 730
 731 bool HTIOCActAllowPeerAggOnePacket(struct ieee80211_device* ieee,struct ieee80211_network *network)
 732 {
 733         bool    retValue = false;
 734         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
 735         if(pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
 736         {
 737                 if((memcmp(network->bssid, NETGEAR_BROADCOM, 3)==0)
 738                         && (network->bssht.bdBandWidth == HT_CHANNEL_WIDTH_20_40))
 739                         return true;
 740         }
 741         return retValue;
 742 }
 743
 744 void HTResetIOTSetting(
 745         PRT_HIGH_THROUGHPUT             pHTInfo
 746 )
 747 {
 748         pHTInfo->IOTAction = 0;
 749         pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
 750         pHTInfo->IOTRaFunc = 0;
 751 }
 752
 753
 754 /********************************************************************************************************************
 755  *function:  Construct Capablility Element in Beacon... if HTEnable is turned on
 756  *   input:  struct ieee80211_device*   ieee
 757  *           u8*                        posHTCap //pointer to store Capability Ele
 758  *           u8*                        len //store length of CE
 759  *           u8                         IsEncrypt //whether encrypt, needed further
 760  *  output:  none
 761  *  return:  none
 762  *  notice:  posHTCap can't be null and should be initialized before.
 763   * *****************************************************************************************************************/
 764 void HTConstructCapabilityElement(struct ieee80211_device* ieee, u8* posHTCap, u8* len, u8 IsEncrypt)
 765 {
 766         PRT_HIGH_THROUGHPUT     pHT = ieee->pHTInfo;
 767         PHT_CAPABILITY_ELE      pCapELE = NULL;
 768
 769         if ((posHTCap == NULL) || (pHT == NULL))
 770         {
 771                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTCap or pHTInfo can't be null in HTConstructCapabilityElement()\n");
 772                 return;
 773         }
 774         memset(posHTCap, 0, *len);
 775         if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)
 776         {
 777                 u8      EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};       // For 11n EWC definition, 2007.07.17, by Emily
 778                 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
 779                 pCapELE = (PHT_CAPABILITY_ELE)&(posHTCap[4]);
 780         }else
 781         {
 782                 pCapELE = (PHT_CAPABILITY_ELE)posHTCap;
 783         }
 784
 785
 786         //HT capability info
 787         pCapELE->AdvCoding              = 0; // This feature is not supported now!!
 788         if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
 789         {
 790                 pCapELE->ChlWidth = 0;
 791         }
 792         else
 793         {
 794                 pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0);
 795         }
 796
 797         pCapELE->MimoPwrSave            = pHT->SelfMimoPs;
 798         pCapELE->GreenField             = 0; // This feature is not supported now!!
 799         pCapELE->ShortGI20Mhz           = 1; // We can receive Short GI!!
 800         pCapELE->ShortGI40Mhz           = 1; // We can receive Short GI!!
 801
 802         pCapELE->TxSTBC                 = 1;
 803         pCapELE->RxSTBC                 = 0;
 804         pCapELE->DelayBA                = 0;    // Do not support now!!
 805         pCapELE->MaxAMSDUSize   = (MAX_RECEIVE_BUFFER_SIZE>=7935)?1:0;
 806         pCapELE->DssCCk                 = ((pHT->bRegBW40MHz)?(pHT->bRegSuppCCK?1:0):0);
 807         pCapELE->PSMP                   = 0; // Do not support now!!
 808         pCapELE->LSigTxopProtect        = 0; // Do not support now!!
 809
 810
 811         //MAC HT parameters info
 812         // TODO: Nedd to take care of this part
 813         IEEE80211_DEBUG(IEEE80211_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk);
 814
 815         if( IsEncrypt)
 816         {
 817                 pCapELE->MPDUDensity    = 7; // 8us
 818                 pCapELE->MaxRxAMPDUFactor       = 2; // 2 is for 32 K and 3 is 64K
 819         }
 820         else
 821         {
 822                 pCapELE->MaxRxAMPDUFactor       = 3; // 2 is for 32 K and 3 is 64K
 823                 pCapELE->MPDUDensity    = 0; // no density
 824         }
 825
 826         //Supported MCS set
 827         memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16);
 828         if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15)
 829                 pCapELE->MCS[1] &= 0x7f;
 830
 831         if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14)
 832                 pCapELE->MCS[1] &= 0xbf;
 833
 834         if(pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS)
 835                 pCapELE->MCS[1] &= 0x00;
 836
 837         // 2008.06.12
 838         // For RTL819X, if pairwisekey = wep/tkip, ap is ralink, we support only MCS0~7.
 839         if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
 840         {
 841                 int i;
 842                 for(i = 1; i< 16; i++)
 843                         pCapELE->MCS[i] = 0;
 844         }
 845
 846         //Extended HT Capability Info
 847         memset(&pCapELE->ExtHTCapInfo, 0, 2);
 848
 849
 850         //TXBF Capabilities
 851         memset(pCapELE->TxBFCap, 0, 4);
 852
 853         //Antenna Selection Capabilities
 854         pCapELE->ASCap = 0;
 855 //add 2 to give space for element ID and len when construct frames
 856         if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)
 857                 *len = 30 + 2;
 858         else
 859                 *len = 26 + 2;
 860
 861         return;
 862
 863 }
 864 /********************************************************************************************************************
 865  *function:  Construct  Information Element in Beacon... if HTEnable is turned on
 866  *   input:  struct ieee80211_device*   ieee
 867  *           u8*                        posHTCap //pointer to store Information Ele
 868  *           u8*                        len   //store len of
 869  *           u8                         IsEncrypt //whether encrypt, needed further
 870  *  output:  none
 871  *  return:  none
 872  *  notice:  posHTCap can't be null and be initialized before. only AP and IBSS sta should do this
 873   * *****************************************************************************************************************/
 874 void HTConstructInfoElement(struct ieee80211_device* ieee, u8* posHTInfo, u8* len, u8 IsEncrypt)
 875 {
 876         PRT_HIGH_THROUGHPUT     pHT = ieee->pHTInfo;
 877         PHT_INFORMATION_ELE             pHTInfoEle = (PHT_INFORMATION_ELE)posHTInfo;
 878         if ((posHTInfo == NULL) || (pHTInfoEle == NULL))
 879         {
 880                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTInfo or pHTInfoEle can't be null in HTConstructInfoElement()\n");
 881                 return;
 882         }
 883
 884         memset(posHTInfo, 0, *len);
 885         if ( (ieee->iw_mode == IW_MODE_ADHOC) || (ieee->iw_mode == IW_MODE_MASTER)) //ap mode is not currently supported
 886         {
 887                 pHTInfoEle->ControlChl                  = ieee->current_network.channel;
 888                 pHTInfoEle->ExtChlOffset                        = ((pHT->bRegBW40MHz == false)?HT_EXTCHNL_OFFSET_NO_EXT:
 889                                                                                         (ieee->current_network.channel<=6)?
 890                                                                                                 HT_EXTCHNL_OFFSET_UPPER:HT_EXTCHNL_OFFSET_LOWER);
 891                 pHTInfoEle->RecommemdedTxWidth  = pHT->bRegBW40MHz;
 892                 pHTInfoEle->RIFS                                        = 0;
 893                 pHTInfoEle->PSMPAccessOnly              = 0;
 894                 pHTInfoEle->SrvIntGranularity           = 0;
 895                 pHTInfoEle->OptMode                             = pHT->CurrentOpMode;
 896                 pHTInfoEle->NonGFDevPresent             = 0;
 897                 pHTInfoEle->DualBeacon                  = 0;
 898                 pHTInfoEle->SecondaryBeacon             = 0;
 899                 pHTInfoEle->LSigTxopProtectFull         = 0;
 900                 pHTInfoEle->PcoActive                           = 0;
 901                 pHTInfoEle->PcoPhase                            = 0;
 902
 903                 memset(pHTInfoEle->BasicMSC, 0, 16);
 904
 905
 906                 *len = 22 + 2; //same above
 907
 908         }
 909         else
 910         {
 911                 //STA should not generate High Throughput Information Element
 912                 *len = 0;
 913         }
 914         return;
 915 }
 916
 917 /*
 918   *  According to experiment, Realtek AP to STA (based on rtl8190) may achieve best performance
 919   *  if both STA and AP set limitation of aggregation size to 32K, that is, set AMPDU density to 2
 920   *  (Ref: IEEE 11n specification). However, if Realtek STA associates to other AP, STA should set
 921   *  limitation of aggregation size to 8K, otherwise, performance of traffic stream from STA to AP
 922   *  will be much less than the traffic stream from AP to STA if both of the stream runs concurrently
 923   *  at the same time.
 924   *
 925   *  Frame Format
 926   *  Element ID         Length          OUI                     Type1           Reserved
 927   *  1 byte                     1 byte          3 bytes         1 byte          1 byte
 928   *
 929   *  OUI                = 0x00, 0xe0, 0x4c,
 930   *  Type       = 0x02
 931   *  Reserved   = 0x00
 932   *
 933   *  2007.8.21 by Emily
 934 */
 935 /********************************************************************************************************************
 936  *function:  Construct  Information Element in Beacon... in RT2RT condition
 937  *   input:  struct ieee80211_device*   ieee
 938  *           u8*                        posRT2RTAgg //pointer to store Information Ele
 939  *           u8*                        len   //store len
 940  *  output:  none
 941  *  return:  none
 942  *  notice:
 943   * *****************************************************************************************************************/
 944 void HTConstructRT2RTAggElement(struct ieee80211_device* ieee, u8* posRT2RTAgg, u8* len)
 945 {
 946         if (posRT2RTAgg == NULL) {
 947                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posRT2RTAgg can't be null in HTConstructRT2RTAggElement()\n");
 948                 return;
 949         }
 950         memset(posRT2RTAgg, 0, *len);
 951         *posRT2RTAgg++ = 0x00;
 952         *posRT2RTAgg++ = 0xe0;
 953         *posRT2RTAgg++ = 0x4c;
 954         *posRT2RTAgg++ = 0x02;
 955         *posRT2RTAgg++ = 0x01;
 956         *posRT2RTAgg = 0x10;//*posRT2RTAgg = 0x02;
 957
 958         if(ieee->bSupportRemoteWakeUp) {
 959                 *posRT2RTAgg |= 0x08;//RT_HT_CAP_USE_WOW;
 960         }
 961
 962         *len = 6 + 2;
 963         return;
 964 #ifdef TODO
 965 #if(HAL_CODE_BASE == RTL8192 && DEV_BUS_TYPE == USB_INTERFACE)
 966         /*
 967         //Emily. If it is required to Ask Realtek AP to send AMPDU during AES mode, enable this
 968            section of code.
 969         if(IS_UNDER_11N_AES_MODE(Adapter))
 970         {
 971                 posRT2RTAgg->Octet[5] |=RT_HT_CAP_USE_AMPDU;
 972         }else
 973         {
 974                 posRT2RTAgg->Octet[5] &= 0xfb;
 975         }
 976         */
 977
 978 #else
 979 #endif
 980
 981         posRT2RTAgg->Length = 6;
 982 #endif
 983
 984
 985
 986
 987 }
 988
 989
 990 /********************************************************************************************************************
 991  *function:  Pick the right Rate Adaptive table to use
 992  *   input:  struct ieee80211_device*   ieee
 993  *           u8*                        pOperateMCS //A pointer to MCS rate bitmap
 994  *  return:  always we return true
 995  *  notice:
 996   * *****************************************************************************************************************/
 997 u8 HT_PickMCSRate(struct ieee80211_device* ieee, u8* pOperateMCS)
 998 {
 999         u8                                      i;
1000         if (pOperateMCS == NULL)
1001         {
1002                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "pOperateMCS can't be null in HT_PickMCSRate()\n");
1003                 return false;
1004         }
1005
1006         switch(ieee->mode)
1007         {
1008         case IEEE_A:
1009         case IEEE_B:
1010         case IEEE_G:
1011                         //legacy rate routine handled at selectedrate
1012
1013                         //no MCS rate
1014                         for(i=0;i<=15;i++){
1015                                 pOperateMCS[i] = 0;
1016                         }
1017                         break;
1018
1019         case IEEE_N_24G:        //assume CCK rate ok
1020         case IEEE_N_5G:
1021                         // Legacy part we only use 6, 5.5,2,1 for N_24G and 6 for N_5G.
1022                         // Legacy part shall be handled at SelectRateSet().
1023
1024                         //HT part
1025                         // TODO: may be different if we have different number of antenna
1026                         pOperateMCS[0] &=RATE_ADPT_1SS_MASK;    //support MCS 0~7
1027                         pOperateMCS[1] &=RATE_ADPT_2SS_MASK;
1028                         pOperateMCS[3] &=RATE_ADPT_MCS32_MASK;
1029                         break;
1030
1031         //should never reach here
1032         default:
1033
1034                         break;
1035
1036         }
1037
1038         return true;
1039 }
1040
1041 /*
1042 *       Description:
1043 *               This function will get the highest speed rate in input MCS set.
1044 *
1045 *       /param  Adapter                 Pionter to Adapter entity
1046 *                       pMCSRateSet             Pointer to MCS rate bitmap
1047 *                       pMCSFilter              Pointer to MCS rate filter
1048 *
1049 *       /return Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter.
1050 *
1051 */
1052 /********************************************************************************************************************
1053  *function:  This function will get the highest speed rate in input MCS set.
1054  *   input:  struct ieee80211_device*   ieee
1055  *           u8*                        pMCSRateSet //Pointer to MCS rate bitmap
1056  *           u8*                        pMCSFilter //Pointer to MCS rate filter
1057  *  return:  Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter
1058  *  notice:
1059   * *****************************************************************************************************************/
1060 u8 HTGetHighestMCSRate(struct ieee80211_device* ieee, u8* pMCSRateSet, u8* pMCSFilter)
1061 {
1062         u8              i, j;
1063         u8              bitMap;
1064         u8              mcsRate = 0;
1065         u8              availableMcsRate[16];
1066         if (pMCSRateSet == NULL || pMCSFilter == NULL)
1067         {
1068                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "pMCSRateSet or pMCSFilter can't be null in HTGetHighestMCSRate()\n");
1069                 return false;
1070         }
1071         for(i=0; i<16; i++)
1072                 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];
1073
1074         for(i = 0; i < 16; i++)
1075         {
1076                 if(availableMcsRate[i] != 0)
1077                         break;
1078         }
1079         if(i == 16)
1080                 return false;
1081
1082         for(i = 0; i < 16; i++)
1083         {
1084                 if(availableMcsRate[i] != 0)
1085                 {
1086                         bitMap = availableMcsRate[i];
1087                         for(j = 0; j < 8; j++)
1088                         {
1089                                 if((bitMap%2) != 0)
1090                                 {
1091                                         if(HTMcsToDataRate(ieee, (8*i+j)) > HTMcsToDataRate(ieee, mcsRate))
1092                                                 mcsRate = (8*i+j);
1093                                 }
1094                                 bitMap = bitMap>>1;
1095                         }
1096                 }
1097         }
1098         return (mcsRate|0x80);
1099 }
1100
1101
1102
1103 /*
1104 **
1105 **1.Filter our operation rate set with AP's rate set
1106 **2.shall reference channel bandwidth, STBC, Antenna number
1107 **3.generate rate adative table for firmware
1108 **David 20060906
1109 **
1110 ** \pHTSupportedCap: the connected STA's supported rate Capability element
1111 */
1112 u8 HTFilterMCSRate( struct ieee80211_device* ieee, u8* pSupportMCS, u8* pOperateMCS)
1113 {
1114
1115         u8 i=0;
1116
1117         // filter out operational rate set not supported by AP, the lenth of it is 16
1118         for(i=0;i<=15;i++){
1119                 pOperateMCS[i] = ieee->Regdot11HTOperationalRateSet[i]&pSupportMCS[i];
1120         }
1121
1122
1123         // TODO: adjust our operational rate set  according to our channel bandwidth, STBC and Antenna number
1124
1125         // TODO: fill suggested rate adaptive rate index and give firmware info using Tx command packet
1126         // we also shall suggested the first start rate set according to our singal strength
1127         HT_PickMCSRate(ieee, pOperateMCS);
1128
1129         // For RTL819X, if pairwisekey = wep/tkip, we support only MCS0~7.
1130         if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
1131                 pOperateMCS[1] = 0;
1132
1133         //
1134         // For RTL819X, we support only MCS0~15.
1135         // And also, we do not know how to use MCS32 now.
1136         //
1137         for(i=2; i<=15; i++)
1138                 pOperateMCS[i] = 0;
1139
1140         return true;
1141 }
1142 void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET    Offset);
1143
1144 void HTOnAssocRsp(struct ieee80211_device *ieee)
1145 {
1146         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
1147         PHT_CAPABILITY_ELE              pPeerHTCap = NULL;
1148         PHT_INFORMATION_ELE             pPeerHTInfo = NULL;
1149         u16     nMaxAMSDUSize = 0;
1150         u8*     pMcsFilter = NULL;
1151
1152         static u8                               EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};               // For 11n EWC definition, 2007.07.17, by Emily
1153         static u8                               EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};      // For 11n EWC definition, 2007.07.17, by Emily
1154
1155         if( pHTInfo->bCurrentHTSupport == false )
1156         {
1157                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "<=== HTOnAssocRsp(): HT_DISABLE\n");
1158                 return;
1159         }
1160         IEEE80211_DEBUG(IEEE80211_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n");
1161
1162         if(!memcmp(pHTInfo->PeerHTCapBuf,EWC11NHTCap, sizeof(EWC11NHTCap)))
1163                 pPeerHTCap = (PHT_CAPABILITY_ELE)(&pHTInfo->PeerHTCapBuf[4]);
1164         else
1165                 pPeerHTCap = (PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf);
1166
1167         if(!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
1168                 pPeerHTInfo = (PHT_INFORMATION_ELE)(&pHTInfo->PeerHTInfoBuf[4]);
1169         else
1170                 pPeerHTInfo = (PHT_INFORMATION_ELE)(pHTInfo->PeerHTInfoBuf);
1171
1172
1173         ////////////////////////////////////////////////////////
1174         // Configurations:
1175         ////////////////////////////////////////////////////////
1176         IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTCap, sizeof(HT_CAPABILITY_ELE));
1177
1178         HTSetConnectBwMode(ieee, (HT_CHANNEL_WIDTH)(pPeerHTCap->ChlWidth), (HT_EXTCHNL_OFFSET)(pPeerHTInfo->ExtChlOffset));
1179
1180         if(pHTInfo->bCurBW40MHz == true)
1181                 pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1)?true:false);
1182
1183         //
1184         // Update short GI/ long GI setting
1185         //
1186         // TODO:
1187         pHTInfo->bCurShortGI20MHz=
1188                 ((pHTInfo->bRegShortGI20MHz)?((pPeerHTCap->ShortGI20Mhz==1)?true:false):false);
1189         pHTInfo->bCurShortGI40MHz=
1190                 ((pHTInfo->bRegShortGI40MHz)?((pPeerHTCap->ShortGI40Mhz==1)?true:false):false);
1191
1192         //
1193         // Config TX STBC setting
1194         //
1195         // TODO:
1196
1197         //
1198         // Config DSSS/CCK  mode in 40MHz mode
1199         //
1200         // TODO:
1201         pHTInfo->bCurSuppCCK =
1202                 ((pHTInfo->bRegSuppCCK)?((pPeerHTCap->DssCCk==1)?true:false):false);
1203
1204
1205         //
1206         // Config and configure A-MSDU setting
1207         //
1208         pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
1209
1210         nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize==0)?3839:7935;
1211
1212         if(pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize )
1213                 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
1214         else
1215                 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
1216
1217         //
1218         // Config A-MPDU setting
1219         //
1220         pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
1221         if(ieee->is_ap_in_wep_tkip && ieee->is_ap_in_wep_tkip(ieee->dev))
1222         {
1223                 if( (pHTInfo->IOTPeer== HT_IOT_PEER_ATHEROS) ||
1224                                 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN) )
1225                         pHTInfo->bCurrentAMPDUEnable = false;
1226         }
1227
1228         // <1> Decide AMPDU Factor
1229
1230         // By Emily
1231         if(!pHTInfo->bRegRT2RTAggregation)
1232         {
1233                 // Decide AMPDU Factor according to protocol handshake
1234                 if(pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
1235                         pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
1236                 else
1237                         pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
1238
1239         }else
1240         {
1241                 // Set MPDU density to 2 to Realtek AP, and set it to 0 for others
1242                 // Replace MPDU factor declared in original association response frame format. 2007.08.20 by Emily
1243                 if (ieee->current_network.bssht.bdRT2RTAggregation)
1244                 {
1245                         if( ieee->pairwise_key_type != KEY_TYPE_NA)
1246                                 // Realtek may set 32k in security mode and 64k for others
1247                                 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
1248                         else
1249                                 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
1250                 }else
1251                 {
1252                         if(pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K)
1253                                 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
1254                         else
1255                                 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K;
1256                 }
1257         }
1258
1259         // <2> Set AMPDU Minimum MPDU Start Spacing
1260         // 802.11n 3.0 section 9.7d.3
1261 #if 0
1262         if(pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
1263                 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
1264         else
1265                 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
1266         if(ieee->pairwise_key_type != KEY_TYPE_NA )
1267                 pHTInfo->CurrentMPDUDensity     = 7; // 8us
1268 #else
1269         if(pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
1270                 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
1271         else
1272                 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
1273 #endif
1274         // Force TX AMSDU
1275
1276         // Lanhsin: mark for tmp to avoid deauth by ap from  s3
1277         //if(memcmp(pMgntInfo->Bssid, NETGEAR834Bv2_BROADCOM, 3)==0)
1278         if(pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K)
1279                 {
1280
1281                         pHTInfo->bCurrentAMPDUEnable = false;
1282                         pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
1283                         pHTInfo->ForcedAMSDUMaxSize = 7935;
1284         }
1285
1286         // Rx Reorder Setting
1287         pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;
1288
1289         //
1290         // Filter out unsupported HT rate for this AP
1291         // Update RATR table
1292         // This is only for 8190 ,8192 or later product which using firmware to handle rate adaptive mechanism.
1293         //
1294
1295         // Handle Ralink AP bad MCS rate set condition. Joseph.
1296         // This fix the bug of Ralink AP. This may be removed in the future.
1297         if(pPeerHTCap->MCS[0] == 0)
1298                 pPeerHTCap->MCS[0] = 0xff;
1299
1300         // Joseph test //LZM ADD 090318
1301         HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1])!=0));
1302
1303         HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);
1304
1305         //
1306         // Config MIMO Power Save setting
1307         //
1308         pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
1309         if(pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
1310                 pMcsFilter = MCS_FILTER_1SS;
1311         else
1312                 pMcsFilter = MCS_FILTER_ALL;
1313         //WB add for MCS8 bug
1314 //      pMcsFilter = MCS_FILTER_1SS;
1315         ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, pMcsFilter);
1316         ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
1317
1318         //
1319         // Config current operation mode.
1320         //
1321         pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
1322
1323
1324
1325 }
1326
1327 void HTSetConnectBwModeCallback(struct ieee80211_device* ieee);
1328 /********************************************************************************************************************
1329  *function:  initialize HT info(struct PRT_HIGH_THROUGHPUT)
1330  *   input:  struct ieee80211_device*   ieee
1331  *  output:  none
1332  *  return:  none
1333  *  notice: This function is called when *  (1) MPInitialization Phase *  (2) Receiving of Deauthentication from AP
1334 ********************************************************************************************************************/
1335 // TODO: Should this funciton be called when receiving of Disassociation?
1336 void HTInitializeHTInfo(struct ieee80211_device* ieee)
1337 {
1338         PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1339
1340         //
1341         // These parameters will be reset when receiving deauthentication packet
1342         //
1343         IEEE80211_DEBUG(IEEE80211_DL_HT, "===========>%s()\n", __FUNCTION__);
1344         pHTInfo->bCurrentHTSupport = false;
1345
1346         // 40MHz channel support
1347         pHTInfo->bCurBW40MHz = false;
1348         pHTInfo->bCurTxBW40MHz = false;
1349
1350         // Short GI support
1351         pHTInfo->bCurShortGI20MHz = false;
1352         pHTInfo->bCurShortGI40MHz = false;
1353         pHTInfo->bForcedShortGI = false;
1354
1355         // CCK rate support
1356         // This flag is set to true to support CCK rate by default.
1357         // It will be affected by "pHTInfo->bRegSuppCCK" and AP capabilities only when associate to
1358         // 11N BSS.
1359         pHTInfo->bCurSuppCCK = true;
1360
1361         // AMSDU related
1362         pHTInfo->bCurrent_AMSDU_Support = false;
1363         pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
1364
1365         // AMPUD related
1366         pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
1367         pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
1368
1369
1370
1371         // Initialize all of the parameters related to 11n
1372         memset((void*)(&(pHTInfo->SelfHTCap)), 0, sizeof(pHTInfo->SelfHTCap));
1373         memset((void*)(&(pHTInfo->SelfHTInfo)), 0, sizeof(pHTInfo->SelfHTInfo));
1374         memset((void*)(&(pHTInfo->PeerHTCapBuf)), 0, sizeof(pHTInfo->PeerHTCapBuf));
1375         memset((void*)(&(pHTInfo->PeerHTInfoBuf)), 0, sizeof(pHTInfo->PeerHTInfoBuf));
1376
1377         pHTInfo->bSwBwInProgress = false;
1378         pHTInfo->ChnlOp = CHNLOP_NONE;
1379
1380         // Set default IEEE spec for Draft N
1381         pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
1382
1383         // Realtek proprietary aggregation mode
1384         pHTInfo->bCurrentRT2RTAggregation = false;
1385         pHTInfo->bCurrentRT2RTLongSlotTime = false;
1386         pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0;
1387
1388         pHTInfo->IOTPeer = 0;
1389         pHTInfo->IOTAction = 0;
1390         pHTInfo->IOTRaFunc = 0;
1391
1392         //MCS rate initialized here
1393         {
1394                 u8* RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]);
1395                 RegHTSuppRateSets[0] = 0xFF;    //support MCS 0~7
1396                 RegHTSuppRateSets[1] = 0xFF;    //support MCS 8~15
1397                 RegHTSuppRateSets[4] = 0x01;    //support MCS 32
1398         }
1399 }
1400 /********************************************************************************************************************
1401  *function:  initialize Bss HT structure(struct PBSS_HT)
1402  *   input:  PBSS_HT pBssHT //to be initialized
1403  *  output:  none
1404  *  return:  none
1405  *  notice: This function is called when initialize network structure
1406 ********************************************************************************************************************/
1407 void HTInitializeBssDesc(PBSS_HT pBssHT)
1408 {
1409
1410         pBssHT->bdSupportHT = false;
1411         memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
1412         pBssHT->bdHTCapLen = 0;
1413         memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
1414         pBssHT->bdHTInfoLen = 0;
1415
1416         pBssHT->bdHTSpecVer= HT_SPEC_VER_IEEE;
1417
1418         pBssHT->bdRT2RTAggregation = false;
1419         pBssHT->bdRT2RTLongSlotTime = false;
1420         pBssHT->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0;
1421 }
1422
1423 /********************************************************************************************************************
1424  *function:  initialize Bss HT structure(struct PBSS_HT)
1425  *   input:  struct ieee80211_device    *ieee
1426  *           struct ieee80211_network   *pNetwork //usually current network we are live in
1427  *  output:  none
1428  *  return:  none
1429  *  notice: This function should ONLY be called before association
1430 ********************************************************************************************************************/
1431 void HTResetSelfAndSavePeerSetting(struct ieee80211_device* ieee,       struct ieee80211_network * pNetwork)
1432 {
1433         PRT_HIGH_THROUGHPUT             pHTInfo = ieee->pHTInfo;
1434 //      u16                                             nMaxAMSDUSize;
1435 //      PHT_CAPABILITY_ELE              pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf;
1436 //      PHT_INFORMATION_ELE             pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf;
1437 //      u8*     pMcsFilter;
1438         u8      bIOTAction = 0;
1439
1440         //
1441         //  Save Peer Setting before Association
1442         //
1443         IEEE80211_DEBUG(IEEE80211_DL_HT, "==============>%s()\n", __FUNCTION__);
1444         /*unmark bEnableHT flag here is the same reason why unmarked in function ieee80211_softmac_new_net. WB 2008.09.10*/
1445 //      if( pHTInfo->bEnableHT &&  pNetwork->bssht.bdSupportHT)
1446         if (pNetwork->bssht.bdSupportHT)
1447         {
1448                 pHTInfo->bCurrentHTSupport = true;
1449                 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer;
1450
1451                 // Save HTCap and HTInfo information Element
1452                 if(pNetwork->bssht.bdHTCapLen > 0 &&    pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf))
1453                         memcpy(pHTInfo->PeerHTCapBuf, pNetwork->bssht.bdHTCapBuf, pNetwork->bssht.bdHTCapLen);
1454
1455                 if(pNetwork->bssht.bdHTInfoLen > 0 && pNetwork->bssht.bdHTInfoLen <= sizeof(pHTInfo->PeerHTInfoBuf))
1456                         memcpy(pHTInfo->PeerHTInfoBuf, pNetwork->bssht.bdHTInfoBuf, pNetwork->bssht.bdHTInfoLen);
1457
1458                 // Check whether RT to RT aggregation mode is enabled
1459                 if(pHTInfo->bRegRT2RTAggregation)
1460                 {
1461                         pHTInfo->bCurrentRT2RTAggregation = pNetwork->bssht.bdRT2RTAggregation;
1462                         pHTInfo->bCurrentRT2RTLongSlotTime = pNetwork->bssht.bdRT2RTLongSlotTime;
1463                         pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode;
1464                 }
1465                 else
1466                 {
1467                         pHTInfo->bCurrentRT2RTAggregation = false;
1468                         pHTInfo->bCurrentRT2RTLongSlotTime = false;
1469                         pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0;
1470                 }
1471
1472                 // Determine the IOT Peer Vendor.
1473                 HTIOTPeerDetermine(ieee);
1474
1475                 // Decide IOT Action
1476                 // Must be called after the parameter of pHTInfo->bCurrentRT2RTAggregation is decided
1477                 pHTInfo->IOTAction = 0;
1478                 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
1479                 if(bIOTAction)
1480                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
1481
1482                 bIOTAction = HTIOTActIsDisableMCS15(ieee);
1483                 if(bIOTAction)
1484                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15;
1485
1486                 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee);
1487                 if(bIOTAction)
1488                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS;
1489
1490
1491                 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
1492                 if(bIOTAction)
1493                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO;
1494
1495                 bIOTAction = HTIOTActIsMgntUseCCK6M(pNetwork);
1496                 if(bIOTAction)
1497                         pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M;
1498
1499                 bIOTAction = HTIOTActIsCCDFsync(pNetwork->bssid);
1500                 if(bIOTAction)
1501                         pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
1502
1503                 bIOTAction = HTIOTActIsForcedCTS2Self(pNetwork);
1504                 if(bIOTAction)
1505                         pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_CTS2SELF;
1506
1507                 //bIOTAction = HTIOTActIsForcedRTSCTS(ieee, pNetwork);
1508                 //if(bIOTAction)
1509                 //      pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_RTS;
1510
1511                 bIOTAction = HTIOCActRejcectADDBARequest(pNetwork);
1512                 if(bIOTAction)
1513                         pHTInfo->IOTAction |= HT_IOT_ACT_REJECT_ADDBA_REQ;
1514
1515                 bIOTAction = HTIOCActAllowPeerAggOnePacket(ieee, pNetwork);
1516                 if(bIOTAction)
1517                         pHTInfo->IOTAction |= HT_IOT_ACT_ALLOW_PEER_AGG_ONE_PKT;
1518
1519                 bIOTAction = HTIOTActIsEDCABiasRx(ieee, pNetwork);
1520                 if(bIOTAction)
1521                         pHTInfo->IOTAction |= HT_IOT_ACT_EDCA_BIAS_ON_RX;
1522
1523                 bIOTAction = HTIOTActDisableShortGI(ieee, pNetwork);
1524                 if(bIOTAction)
1525                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_SHORT_GI;
1526
1527                 bIOTAction = HTIOTActDisableHighPower(ieee, pNetwork);
1528                 if(bIOTAction)
1529                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_HIGH_POWER;
1530
1531                 bIOTAction = HTIOTActIsForcedAMSDU8K(ieee, pNetwork);
1532                 if(bIOTAction)
1533                         pHTInfo->IOTAction |= HT_IOT_ACT_TX_USE_AMSDU_8K;
1534
1535                 bIOTAction = HTIOTActIsTxNoAggregation(ieee, pNetwork);
1536                 if(bIOTAction)
1537                         pHTInfo->IOTAction |= HT_IOT_ACT_TX_NO_AGGREGATION;
1538
1539                 bIOTAction = HTIOTActIsDisableTx40MHz(ieee, pNetwork);
1540                 if(bIOTAction)
1541                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_TX_40_MHZ;
1542
1543                 bIOTAction = HTIOTActIsDisableTx2SS(ieee, pNetwork);
1544                 if(bIOTAction)
1545                         pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_TX_2SS;
1546                 //must after HT_IOT_ACT_TX_NO_AGGREGATION
1547                 bIOTAction = HTIOTActIsForcedRTSCTS(ieee, pNetwork);
1548                 if(bIOTAction)
1549                         pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_RTS;
1550
1551                 printk("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!IOTAction = %8.8x\n", pHTInfo->IOTAction);
1552         }
1553         else
1554         {
1555                 pHTInfo->bCurrentHTSupport = false;
1556                 pHTInfo->bCurrentRT2RTAggregation = false;
1557                 pHTInfo->bCurrentRT2RTLongSlotTime = false;
1558                 pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0;
1559
1560                 pHTInfo->IOTAction = 0;
1561                 pHTInfo->IOTRaFunc = 0;
1562         }
1563
1564 }
1565
1566 void HTUpdateSelfAndPeerSetting(struct ieee80211_device* ieee,  struct ieee80211_network * pNetwork)
1567 {
1568         PRT_HIGH_THROUGHPUT     pHTInfo = ieee->pHTInfo;
1569 //      PHT_CAPABILITY_ELE              pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf;
1570         PHT_INFORMATION_ELE             pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf;
1571
1572         if(pHTInfo->bCurrentHTSupport)
1573         {
1574                 //
1575                 // Config current operation mode.
1576                 //
1577                 if(pNetwork->bssht.bdHTInfoLen != 0)
1578                         pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;
1579
1580                 //
1581                 // <TODO: Config according to OBSS non-HT STA present!!>
1582                 //
1583         }
1584 }
1585
1586 void HTUseDefaultSetting(struct ieee80211_device* ieee)
1587 {
1588         PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1589 //      u8      regBwOpMode;
1590
1591         if(pHTInfo->bEnableHT)
1592         {
1593                 pHTInfo->bCurrentHTSupport = true;
1594
1595                 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK;
1596
1597                 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz;
1598
1599                 pHTInfo->bCurShortGI20MHz= pHTInfo->bRegShortGI20MHz;
1600
1601                 pHTInfo->bCurShortGI40MHz= pHTInfo->bRegShortGI40MHz;
1602
1603                 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
1604
1605                 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
1606
1607                 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
1608
1609                 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
1610
1611                 pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity;
1612
1613                 // Set BWOpMode register
1614
1615                 //update RATR index0
1616                 HTFilterMCSRate(ieee, ieee->Regdot11HTOperationalRateSet, ieee->dot11HTOperationalRateSet);
1617         //function below is not implemented at all. WB
1618 #ifdef TODO
1619                 Adapter->HalFunc.InitHalRATRTableHandler( Adapter, &pMgntInfo->dot11OperationalRateSet, pMgntInfo->dot11HTOperationalRateSet);
1620 #endif
1621                 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, MCS_FILTER_ALL);
1622                 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;
1623
1624         }
1625         else
1626         {
1627                 pHTInfo->bCurrentHTSupport = false;
1628         }
1629         return;
1630 }
1631 /********************************************************************************************************************
1632  *function:  check whether HT control field exists
1633  *   input:  struct ieee80211_device    *ieee
1634  *           u8*                        pFrame //coming skb->data
1635  *  output:  none
1636  *  return:  return true if HT control field exists(false otherwise)
1637  *  notice:
1638 ********************************************************************************************************************/
1639 u8 HTCCheck(struct ieee80211_device* ieee, u8*  pFrame)
1640 {
1641         if(ieee->pHTInfo->bCurrentHTSupport)
1642         {
1643                 if( (IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1)
1644                 {
1645                         IEEE80211_DEBUG(IEEE80211_DL_HT, "HT CONTROL FILED EXIST!!\n");
1646                         return true;
1647                 }
1648         }
1649         return false;
1650 }
1651
1652 //
1653 // This function set bandwidth mode in protocol layer.
1654 //
1655 void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET    Offset)
1656 {
1657         PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1658 //      u32 flags = 0;
1659
1660         if(pHTInfo->bRegBW40MHz == false)
1661                 return;
1662
1663
1664
1665         // To reduce dummy operation
1666 //      if((pHTInfo->bCurBW40MHz==false && Bandwidth==HT_CHANNEL_WIDTH_20) ||
1667 //         (pHTInfo->bCurBW40MHz==true && Bandwidth==HT_CHANNEL_WIDTH_20_40 && Offset==pHTInfo->CurSTAExtChnlOffset))
1668 //              return;
1669
1670 //      spin_lock_irqsave(&(ieee->bw_spinlock), flags);
1671         if(pHTInfo->bSwBwInProgress) {
1672 //              spin_unlock_irqrestore(&(ieee->bw_spinlock), flags);
1673                 return;
1674         }
1675         //if in half N mode, set to 20M bandwidth please 09.08.2008 WB.
1676         if(Bandwidth==HT_CHANNEL_WIDTH_20_40 && (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)))
1677          {
1678                         // Handle Illegal extention channel offset!!
1679                 if(ieee->current_network.channel<2 && Offset==HT_EXTCHNL_OFFSET_LOWER)
1680                         Offset = HT_EXTCHNL_OFFSET_NO_EXT;
1681                 if(Offset==HT_EXTCHNL_OFFSET_UPPER || Offset==HT_EXTCHNL_OFFSET_LOWER) {
1682                         pHTInfo->bCurBW40MHz = true;
1683                         pHTInfo->CurSTAExtChnlOffset = Offset;
1684                 } else {
1685                         pHTInfo->bCurBW40MHz = false;
1686                         pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1687                 }
1688         } else {
1689                 pHTInfo->bCurBW40MHz = false;
1690                 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
1691         }
1692
1693         pHTInfo->bSwBwInProgress = true;
1694
1695         // TODO: 2007.7.13 by Emily Wait 2000ms  in order to garantee that switching
1696         //   bandwidth is executed after scan is finished. It is a temporal solution
1697         //   because software should ganrantee the last operation of switching bandwidth
1698         //   is executed properlly.
1699         HTSetConnectBwModeCallback(ieee);
1700
1701 //      spin_unlock_irqrestore(&(ieee->bw_spinlock), flags);
1702 }
1703
1704 void HTSetConnectBwModeCallback(struct ieee80211_device* ieee)
1705 {
1706         PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
1707
1708         IEEE80211_DEBUG(IEEE80211_DL_HT, "======>%s()\n", __FUNCTION__);
1709         if(pHTInfo->bCurBW40MHz)
1710         {
1711                 if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_UPPER)
1712                         ieee->set_chan(ieee->dev, ieee->current_network.channel+2);
1713                 else if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_LOWER)
1714                         ieee->set_chan(ieee->dev, ieee->current_network.channel-2);
1715                 else
1716                         ieee->set_chan(ieee->dev, ieee->current_network.channel);
1717
1718                 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, pHTInfo->CurSTAExtChnlOffset);
1719         } else {
1720                 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1721                 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
1722         }
1723
1724         pHTInfo->bSwBwInProgress = false;
1725 }