kernel/drivers/staging/rtl8188eu/hal/Hal8188ERateAdaptive.c

   1 /*++
   2 Copyright (c) Realtek Semiconductor Corp. All rights reserved.
   3
   4 Module Name:
   5         RateAdaptive.c
   6
   7 Abstract:
   8         Implement Rate Adaptive functions for common operations.
   9
  10 Major Change History:
  11         When       Who               What
  12         ---------- ---------------   -------------------------------
  13         2011-08-12 Page            Create.
  14
  15 --*/
  16 #include "odm_precomp.h"
  17
  18 /*  Rate adaptive parameters */
  19
  20 static u8 RETRY_PENALTY[PERENTRY][RETRYSIZE+1] = {
  21                 {5, 4, 3, 2, 0, 3},      /* 92 , idx = 0 */
  22                 {6, 5, 4, 3, 0, 4},      /* 86 , idx = 1 */
  23                 {6, 5, 4, 2, 0, 4},      /* 81 , idx = 2 */
  24                 {8, 7, 6, 4, 0, 6},      /* 75 , idx = 3 */
  25                 {10, 9, 8, 6, 0, 8},     /* 71  , idx = 4 */
  26                 {10, 9, 8, 4, 0, 8},     /* 66  , idx = 5 */
  27                 {10, 9, 8, 2, 0, 8},     /* 62  , idx = 6 */
  28                 {10, 9, 8, 0, 0, 8},     /* 59  , idx = 7 */
  29                 {18, 17, 16, 8, 0, 16},  /* 53 , idx = 8 */
  30                 {26, 25, 24, 16, 0, 24}, /* 50  , idx = 9 */
  31                 {34, 33, 32, 24, 0, 32}, /* 47  , idx = 0x0a */
  32                 {34, 31, 28, 20, 0, 32}, /* 43  , idx = 0x0b */
  33                 {34, 31, 27, 18, 0, 32}, /* 40 , idx = 0x0c */
  34                 {34, 31, 26, 16, 0, 32}, /* 37 , idx = 0x0d */
  35                 {34, 30, 22, 16, 0, 32}, /* 32 , idx = 0x0e */
  36                 {34, 30, 24, 16, 0, 32}, /* 26 , idx = 0x0f */
  37                 {49, 46, 40, 16, 0, 48}, /* 20  , idx = 0x10 */
  38                 {49, 45, 32, 0, 0, 48},  /* 17 , idx = 0x11 */
  39                 {49, 45, 22, 18, 0, 48}, /* 15  , idx = 0x12 */
  40                 {49, 40, 24, 16, 0, 48}, /* 12  , idx = 0x13 */
  41                 {49, 32, 18, 12, 0, 48}, /* 9 , idx = 0x14 */
  42                 {49, 22, 18, 14, 0, 48}, /* 6 , idx = 0x15 */
  43                 {49, 16, 16, 0, 0, 48}
  44         }; /* 3, idx = 0x16 */
  45
  46 static u8 PT_PENALTY[RETRYSIZE+1] = {34, 31, 30, 24, 0, 32};
  47
  48 /*  wilson modify */
  49 static u8 RETRY_PENALTY_IDX[2][RATESIZE] = {
  50                 {4, 4, 4, 5, 4, 4, 5, 7, 7, 7, 8, 0x0a,        /*  SS>TH */
  51                 4, 4, 4, 4, 6, 0x0a, 0x0b, 0x0d,
  52                 5, 5, 7, 7, 8, 0x0b, 0x0d, 0x0f},                          /*  0329 R01 */
  53                 {0x0a, 0x0a, 0x0b, 0x0c, 0x0a,
  54                 0x0a, 0x0b, 0x0c, 0x0d, 0x10, 0x13, 0x14,          /*  SS<TH */
  55                 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x11, 0x13, 0x15,
  56                 9, 9, 9, 9, 0x0c, 0x0e, 0x11, 0x13}
  57         };
  58
  59 static u8 RETRY_PENALTY_UP_IDX[RATESIZE] = {
  60                 0x0c, 0x0d, 0x0d, 0x0f, 0x0d, 0x0e,
  61                 0x0f, 0x0f, 0x10, 0x12, 0x13, 0x14,            /*  SS>TH */
  62                 0x0f, 0x10, 0x10, 0x12, 0x12, 0x13, 0x14, 0x15,
  63                 0x11, 0x11, 0x12, 0x13, 0x13, 0x13, 0x14, 0x15};
  64
  65 static u8 RSSI_THRESHOLD[RATESIZE] = {
  66                 0, 0, 0, 0,
  67                 0, 0, 0, 0, 0, 0x24, 0x26, 0x2a,
  68                 0x18, 0x1a, 0x1d, 0x1f, 0x21, 0x27, 0x29, 0x2a,
  69                 0, 0, 0, 0x1f, 0x23, 0x28, 0x2a, 0x2c};
  70
  71 static u16 N_THRESHOLD_HIGH[RATESIZE] = {
  72                 4, 4, 8, 16,
  73                 24, 36, 48, 72, 96, 144, 192, 216,
  74                 60, 80, 100, 160, 240, 400, 560, 640,
  75                 300, 320, 480, 720, 1000, 1200, 1600, 2000};
  76 static u16 N_THRESHOLD_LOW[RATESIZE] = {
  77                 2, 2, 4, 8,
  78                 12, 18, 24, 36, 48, 72, 96, 108,
  79                 30, 40, 50, 80, 120, 200, 280, 320,
  80                 150, 160, 240, 360, 500, 600, 800, 1000};
  81
  82 static u8 DROPING_NECESSARY[RATESIZE] = {
  83                 1, 1, 1, 1,
  84                 1, 2, 3, 4, 5, 6, 7, 8,
  85                 1, 2, 3, 4, 5, 6, 7, 8,
  86                 5, 6, 7, 8, 9, 10, 11, 12};
  87
  88 static u8 PendingForRateUpFail[5] = {2, 10, 24, 40, 60};
  89 static u16 DynamicTxRPTTiming[6] = {
  90         0x186a, 0x30d4, 0x493e, 0x61a8, 0x7a12 , 0x927c}; /*  200ms-1200ms */
  91
  92 /*  End Rate adaptive parameters */
  93
  94 static void odm_SetTxRPTTiming_8188E(
  95                 struct odm_dm_struct *dm_odm,
  96                 struct odm_ra_info *pRaInfo,
  97                 u8 extend
  98         )
  99 {
 100         u8 idx = 0;
 101
 102         for (idx = 0; idx < 5; idx++)
 103                 if (DynamicTxRPTTiming[idx] == pRaInfo->RptTime)
 104                         break;
 105
 106         if (extend == 0) { /*  back to default timing */
 107                 idx = 0;  /* 200ms */
 108         } else if (extend == 1) {/*  increase the timing */
 109                 idx += 1;
 110                 if (idx > 5)
 111                         idx = 5;
 112         } else if (extend == 2) {/*  decrease the timing */
 113                 if (idx != 0)
 114                         idx -= 1;
 115         }
 116         pRaInfo->RptTime = DynamicTxRPTTiming[idx];
 117
 118         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD,
 119                         ("pRaInfo->RptTime = 0x%x\n", pRaInfo->RptTime));
 120 }
 121
 122 static int odm_RateDown_8188E(struct odm_dm_struct *dm_odm,
 123                                 struct odm_ra_info *pRaInfo)
 124 {
 125         u8 RateID, LowestRate, HighestRate;
 126         u8 i;
 127
 128         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE,
 129                         ODM_DBG_TRACE, ("=====>odm_RateDown_8188E()\n"));
 130         if (NULL == pRaInfo) {
 131                 ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD,
 132                                 ("odm_RateDown_8188E(): pRaInfo is NULL\n"));
 133                 return -1;
 134         }
 135         RateID = pRaInfo->PreRate;
 136         LowestRate = pRaInfo->LowestRate;
 137         HighestRate = pRaInfo->HighestRate;
 138
 139         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE,
 140                      (" RateID =%d LowestRate =%d HighestRate =%d RateSGI =%d\n",
 141                      RateID, LowestRate, HighestRate, pRaInfo->RateSGI));
 142         if (RateID > HighestRate) {
 143                 RateID = HighestRate;
 144         } else if (pRaInfo->RateSGI) {
 145                 pRaInfo->RateSGI = 0;
 146         } else if (RateID > LowestRate) {
 147                 if (RateID > 0) {
 148                         for (i = RateID-1; i > LowestRate; i--) {
 149                                 if (pRaInfo->RAUseRate & BIT(i)) {
 150                                         RateID = i;
 151                                         goto RateDownFinish;
 152                                 }
 153                         }
 154                 }
 155         } else if (RateID <= LowestRate) {
 156                 RateID = LowestRate;
 157         }
 158 RateDownFinish:
 159         if (pRaInfo->RAWaitingCounter == 1) {
 160                 pRaInfo->RAWaitingCounter += 1;
 161                 pRaInfo->RAPendingCounter += 1;
 162         } else if (pRaInfo->RAWaitingCounter == 0) {
 163                 ;
 164         } else {
 165                 pRaInfo->RAWaitingCounter = 0;
 166                 pRaInfo->RAPendingCounter = 0;
 167         }
 168
 169         if (pRaInfo->RAPendingCounter >= 4)
 170                 pRaInfo->RAPendingCounter = 4;
 171
 172         pRaInfo->DecisionRate = RateID;
 173         odm_SetTxRPTTiming_8188E(dm_odm, pRaInfo, 2);
 174         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE,
 175                         ODM_DBG_LOUD, ("Rate down, RPT Timing default\n"));
 176         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE,
 177                         ("RAWaitingCounter %d, RAPendingCounter %d",
 178                          pRaInfo->RAWaitingCounter, pRaInfo->RAPendingCounter));
 179         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD,
 180                         ("Rate down to RateID %d RateSGI %d\n", RateID, pRaInfo->RateSGI));
 181         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE,
 182                         ("<===== odm_RateDown_8188E()\n"));
 183         return 0;
 184 }
 185
 186 static int odm_RateUp_8188E(
 187                 struct odm_dm_struct *dm_odm,
 188                 struct odm_ra_info *pRaInfo
 189         )
 190 {
 191         u8 RateID, HighestRate;
 192         u8 i;
 193
 194         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE,
 195                         ODM_DBG_TRACE, ("=====>odm_RateUp_8188E()\n"));
 196         if (NULL == pRaInfo) {
 197                 ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD,
 198                                 ("odm_RateUp_8188E(): pRaInfo is NULL\n"));
 199                 return -1;
 200         }
 201         RateID = pRaInfo->PreRate;
 202         HighestRate = pRaInfo->HighestRate;
 203         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE,
 204                      (" RateID =%d HighestRate =%d\n",
 205                      RateID, HighestRate));
 206         if (pRaInfo->RAWaitingCounter == 1) {
 207                 pRaInfo->RAWaitingCounter = 0;
 208                 pRaInfo->RAPendingCounter = 0;
 209         } else if (pRaInfo->RAWaitingCounter > 1) {
 210                 pRaInfo->PreRssiStaRA = pRaInfo->RssiStaRA;
 211                 goto RateUpfinish;
 212         }
 213         odm_SetTxRPTTiming_8188E(dm_odm, pRaInfo, 0);
 214         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD,
 215                         ("odm_RateUp_8188E():Decrease RPT Timing\n"));
 216
 217         if (RateID < HighestRate) {
 218                 for (i = RateID+1; i <= HighestRate; i++) {
 219                         if (pRaInfo->RAUseRate & BIT(i)) {
 220                                 RateID = i;
 221                                 goto RateUpfinish;
 222                         }
 223                 }
 224         } else if (RateID == HighestRate) {
 225                 if (pRaInfo->SGIEnable && (pRaInfo->RateSGI != 1))
 226                         pRaInfo->RateSGI = 1;
 227                 else if ((pRaInfo->SGIEnable) != 1)
 228                         pRaInfo->RateSGI = 0;
 229         } else {
 230                 RateID = HighestRate;
 231         }
 232 RateUpfinish:
 233         if (pRaInfo->RAWaitingCounter ==
 234                 (4+PendingForRateUpFail[pRaInfo->RAPendingCounter]))
 235                 pRaInfo->RAWaitingCounter = 0;
 236         else
 237                 pRaInfo->RAWaitingCounter++;
 238
 239         pRaInfo->DecisionRate = RateID;
 240         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD,
 241                         ("Rate up to RateID %d\n", RateID));
 242         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE,
 243                         ("RAWaitingCounter %d, RAPendingCounter %d",
 244                          pRaInfo->RAWaitingCounter, pRaInfo->RAPendingCounter));
 245         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE,
 246                         ODM_DBG_TRACE, ("<===== odm_RateUp_8188E()\n"));
 247         return 0;
 248 }
 249
 250 static void odm_ResetRaCounter_8188E(struct odm_ra_info *pRaInfo)
 251 {
 252         u8 RateID;
 253
 254         RateID = pRaInfo->DecisionRate;
 255         pRaInfo->NscUp = (N_THRESHOLD_HIGH[RateID]+N_THRESHOLD_LOW[RateID])>>1;
 256         pRaInfo->NscDown = (N_THRESHOLD_HIGH[RateID]+N_THRESHOLD_LOW[RateID])>>1;
 257 }
 258
 259 static void odm_RateDecision_8188E(struct odm_dm_struct *dm_odm,
 260                 struct odm_ra_info *pRaInfo
 261         )
 262 {
 263         u8 RateID = 0, RtyPtID = 0, PenaltyID1 = 0, PenaltyID2 = 0, i = 0;
 264         /* u32 pool_retry; */
 265         static u8 DynamicTxRPTTimingCounter;
 266
 267         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE,
 268                         ("=====>odm_RateDecision_8188E()\n"));
 269
 270         if (pRaInfo->Active && (pRaInfo->TOTAL > 0)) { /*  STA used and data packet exits */
 271                 if ((pRaInfo->RssiStaRA < (pRaInfo->PreRssiStaRA - 3)) ||
 272                     (pRaInfo->RssiStaRA > (pRaInfo->PreRssiStaRA + 3))) {
 273                         pRaInfo->RAWaitingCounter = 0;
 274                         pRaInfo->RAPendingCounter = 0;
 275                 }
 276                 /*  Start RA decision */
 277                 if (pRaInfo->PreRate > pRaInfo->HighestRate)
 278                         RateID = pRaInfo->HighestRate;
 279                 else
 280                         RateID = pRaInfo->PreRate;
 281                 if (pRaInfo->RssiStaRA > RSSI_THRESHOLD[RateID])
 282                         RtyPtID = 0;
 283                 else
 284                         RtyPtID = 1;
 285                 PenaltyID1 = RETRY_PENALTY_IDX[RtyPtID][RateID]; /* TODO by page */
 286
 287                 ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE,
 288                              (" NscDown init is %d\n", pRaInfo->NscDown));
 289
 290                 for (i = 0 ; i <= 4 ; i++)
 291                         pRaInfo->NscDown += pRaInfo->RTY[i] * RETRY_PENALTY[PenaltyID1][i];
 292
 293                 ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE,
 294                              (" NscDown is %d, total*penalty[5] is %d\n", pRaInfo->NscDown,
 295                               (pRaInfo->TOTAL * RETRY_PENALTY[PenaltyID1][5])));
 296
 297                 if (pRaInfo->NscDown > (pRaInfo->TOTAL * RETRY_PENALTY[PenaltyID1][5]))
 298                         pRaInfo->NscDown -= pRaInfo->TOTAL * RETRY_PENALTY[PenaltyID1][5];
 299                 else
 300                         pRaInfo->NscDown = 0;
 301
 302                 /*  rate up */
 303                 PenaltyID2 = RETRY_PENALTY_UP_IDX[RateID];
 304                 ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE,
 305                              (" NscUp init is %d\n", pRaInfo->NscUp));
 306
 307                 for (i = 0 ; i <= 4 ; i++)
 308                         pRaInfo->NscUp += pRaInfo->RTY[i] * RETRY_PENALTY[PenaltyID2][i];
 309
 310                 ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE,
 311                              ("NscUp is %d, total*up[5] is %d\n",
 312                              pRaInfo->NscUp, (pRaInfo->TOTAL * RETRY_PENALTY[PenaltyID2][5])));
 313
 314                 if (pRaInfo->NscUp > (pRaInfo->TOTAL * RETRY_PENALTY[PenaltyID2][5]))
 315                         pRaInfo->NscUp -= pRaInfo->TOTAL * RETRY_PENALTY[PenaltyID2][5];
 316                 else
 317                         pRaInfo->NscUp = 0;
 318
 319                 ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE|ODM_COMP_INIT, ODM_DBG_LOUD,
 320                              (" RssiStaRa = %d RtyPtID =%d PenaltyID1 = 0x%x  PenaltyID2 = 0x%x RateID =%d NscDown =%d NscUp =%d SGI =%d\n",
 321                              pRaInfo->RssiStaRA, RtyPtID, PenaltyID1, PenaltyID2, RateID, pRaInfo->NscDown, pRaInfo->NscUp, pRaInfo->RateSGI));
 322                 if ((pRaInfo->NscDown < N_THRESHOLD_LOW[RateID]) ||
 323                     (pRaInfo->DROP > DROPING_NECESSARY[RateID]))
 324                         odm_RateDown_8188E(dm_odm, pRaInfo);
 325                 else if (pRaInfo->NscUp > N_THRESHOLD_HIGH[RateID])
 326                         odm_RateUp_8188E(dm_odm, pRaInfo);
 327
 328                 if (pRaInfo->DecisionRate > pRaInfo->HighestRate)
 329                         pRaInfo->DecisionRate = pRaInfo->HighestRate;
 330
 331                 if ((pRaInfo->DecisionRate) == (pRaInfo->PreRate))
 332                         DynamicTxRPTTimingCounter += 1;
 333                 else
 334                         DynamicTxRPTTimingCounter = 0;
 335
 336                 if (DynamicTxRPTTimingCounter >= 4) {
 337                         odm_SetTxRPTTiming_8188E(dm_odm, pRaInfo, 1);
 338                         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE,
 339                                      ODM_DBG_LOUD, ("<===== Rate don't change 4 times, Extend RPT Timing\n"));
 340                         DynamicTxRPTTimingCounter = 0;
 341                 }
 342
 343                 pRaInfo->PreRate = pRaInfo->DecisionRate;  /* YJ, add, 120120 */
 344
 345                 odm_ResetRaCounter_8188E(pRaInfo);
 346         }
 347         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE, ("<===== odm_RateDecision_8188E()\n"));
 348 }
 349
 350 static int odm_ARFBRefresh_8188E(struct odm_dm_struct *dm_odm, struct odm_ra_info *pRaInfo)
 351 {  /*  Wilson 2011/10/26 */
 352         struct adapter *adapt = dm_odm->Adapter;
 353         u32 MaskFromReg;
 354         s8 i;
 355
 356         switch (pRaInfo->RateID) {
 357         case RATR_INX_WIRELESS_NGB:
 358                 pRaInfo->RAUseRate = (pRaInfo->RateMask)&0x0f8ff015;
 359                 break;
 360         case RATR_INX_WIRELESS_NG:
 361                 pRaInfo->RAUseRate = (pRaInfo->RateMask)&0x0f8ff010;
 362                 break;
 363         case RATR_INX_WIRELESS_NB:
 364                 pRaInfo->RAUseRate = (pRaInfo->RateMask)&0x0f8ff005;
 365                 break;
 366         case RATR_INX_WIRELESS_N:
 367                 pRaInfo->RAUseRate = (pRaInfo->RateMask)&0x0f8ff000;
 368                 break;
 369         case RATR_INX_WIRELESS_GB:
 370                 pRaInfo->RAUseRate = (pRaInfo->RateMask)&0x00000ff5;
 371                 break;
 372         case RATR_INX_WIRELESS_G:
 373                 pRaInfo->RAUseRate = (pRaInfo->RateMask)&0x00000ff0;
 374                 break;
 375         case RATR_INX_WIRELESS_B:
 376                 pRaInfo->RAUseRate = (pRaInfo->RateMask)&0x0000000d;
 377                 break;
 378         case 12:
 379                 MaskFromReg = usb_read32(adapt, REG_ARFR0);
 380                 pRaInfo->RAUseRate = (pRaInfo->RateMask)&MaskFromReg;
 381                 break;
 382         case 13:
 383                 MaskFromReg = usb_read32(adapt, REG_ARFR1);
 384                 pRaInfo->RAUseRate = (pRaInfo->RateMask)&MaskFromReg;
 385                 break;
 386         case 14:
 387                 MaskFromReg = usb_read32(adapt, REG_ARFR2);
 388                 pRaInfo->RAUseRate = (pRaInfo->RateMask)&MaskFromReg;
 389                 break;
 390         case 15:
 391                 MaskFromReg = usb_read32(adapt, REG_ARFR3);
 392                 pRaInfo->RAUseRate = (pRaInfo->RateMask)&MaskFromReg;
 393                 break;
 394         default:
 395                 pRaInfo->RAUseRate = (pRaInfo->RateMask);
 396                 break;
 397         }
 398         /*  Highest rate */
 399         if (pRaInfo->RAUseRate) {
 400                 for (i = RATESIZE; i >= 0; i--) {
 401                         if ((pRaInfo->RAUseRate)&BIT(i)) {
 402                                 pRaInfo->HighestRate = i;
 403                                 break;
 404                         }
 405                 }
 406         } else {
 407                 pRaInfo->HighestRate = 0;
 408         }
 409         /*  Lowest rate */
 410         if (pRaInfo->RAUseRate) {
 411                 for (i = 0; i < RATESIZE; i++) {
 412                         if ((pRaInfo->RAUseRate) & BIT(i)) {
 413                                 pRaInfo->LowestRate = i;
 414                                 break;
 415                         }
 416                 }
 417         } else {
 418                 pRaInfo->LowestRate = 0;
 419         }
 420                 if (pRaInfo->HighestRate > 0x13)
 421                         pRaInfo->PTModeSS = 3;
 422                 else if (pRaInfo->HighestRate > 0x0b)
 423                         pRaInfo->PTModeSS = 2;
 424                 else if (pRaInfo->HighestRate > 0x0b)
 425                         pRaInfo->PTModeSS = 1;
 426                 else
 427                         pRaInfo->PTModeSS = 0;
 428         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD,
 429                      ("ODM_ARFBRefresh_8188E(): PTModeSS =%d\n", pRaInfo->PTModeSS));
 430
 431         if (pRaInfo->DecisionRate > pRaInfo->HighestRate)
 432                 pRaInfo->DecisionRate = pRaInfo->HighestRate;
 433
 434         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD,
 435                      ("ODM_ARFBRefresh_8188E(): RateID =%d RateMask =%8.8x RAUseRate =%8.8x HighestRate =%d, DecisionRate =%d\n",
 436                      pRaInfo->RateID, pRaInfo->RateMask, pRaInfo->RAUseRate, pRaInfo->HighestRate, pRaInfo->DecisionRate));
 437         return 0;
 438 }
 439
 440 static void odm_PTTryState_8188E(struct odm_ra_info *pRaInfo)
 441 {
 442         pRaInfo->PTTryState = 0;
 443         switch (pRaInfo->PTModeSS) {
 444         case 3:
 445                 if (pRaInfo->DecisionRate >= 0x19)
 446                         pRaInfo->PTTryState = 1;
 447                 break;
 448         case 2:
 449                 if (pRaInfo->DecisionRate >= 0x11)
 450                         pRaInfo->PTTryState = 1;
 451                 break;
 452         case 1:
 453                 if (pRaInfo->DecisionRate >= 0x0a)
 454                         pRaInfo->PTTryState = 1;
 455                 break;
 456         case 0:
 457                 if (pRaInfo->DecisionRate >= 0x03)
 458                         pRaInfo->PTTryState = 1;
 459                 break;
 460         default:
 461                 pRaInfo->PTTryState = 0;
 462                 break;
 463         }
 464
 465         if (pRaInfo->RssiStaRA < 48) {
 466                 pRaInfo->PTStage = 0;
 467         } else if (pRaInfo->PTTryState == 1) {
 468                 if ((pRaInfo->PTStopCount >= 10) ||
 469                     (pRaInfo->PTPreRssi > pRaInfo->RssiStaRA + 5) ||
 470                     (pRaInfo->PTPreRssi < pRaInfo->RssiStaRA - 5) ||
 471                     (pRaInfo->DecisionRate != pRaInfo->PTPreRate)) {
 472                         if (pRaInfo->PTStage == 0)
 473                                 pRaInfo->PTStage = 1;
 474                         else if (pRaInfo->PTStage == 1)
 475                                 pRaInfo->PTStage = 3;
 476                         else
 477                                 pRaInfo->PTStage = 5;
 478
 479                         pRaInfo->PTPreRssi = pRaInfo->RssiStaRA;
 480                         pRaInfo->PTStopCount = 0;
 481                 } else {
 482                         pRaInfo->RAstage = 0;
 483                         pRaInfo->PTStopCount++;
 484                 }
 485         } else {
 486                 pRaInfo->PTStage = 0;
 487                 pRaInfo->RAstage = 0;
 488         }
 489         pRaInfo->PTPreRate = pRaInfo->DecisionRate;
 490 }
 491
 492 static void odm_PTDecision_8188E(struct odm_ra_info *pRaInfo)
 493 {
 494         u8 j;
 495         u8 temp_stage;
 496         u32 numsc;
 497         u32 num_total;
 498         u8 stage_id;
 499
 500         numsc  = 0;
 501         num_total = pRaInfo->TOTAL * PT_PENALTY[5];
 502         for (j = 0; j <= 4; j++) {
 503                 numsc += pRaInfo->RTY[j] * PT_PENALTY[j];
 504                 if (numsc > num_total)
 505                         break;
 506         }
 507
 508         j >>= 1;
 509         temp_stage = (pRaInfo->PTStage + 1) >> 1;
 510         if (temp_stage > j)
 511                 stage_id = temp_stage-j;
 512         else
 513                 stage_id = 0;
 514
 515         pRaInfo->PTSmoothFactor = (pRaInfo->PTSmoothFactor>>1) + (pRaInfo->PTSmoothFactor>>2) + stage_id*16+2;
 516         if (pRaInfo->PTSmoothFactor > 192)
 517                 pRaInfo->PTSmoothFactor = 192;
 518         stage_id = pRaInfo->PTSmoothFactor >> 6;
 519         temp_stage = stage_id*2;
 520         if (temp_stage != 0)
 521                 temp_stage -= 1;
 522         if (pRaInfo->DROP > 3)
 523                 temp_stage = 0;
 524         pRaInfo->PTStage = temp_stage;
 525 }
 526
 527 static void
 528 odm_RATxRPTTimerSetting(
 529                 struct odm_dm_struct *dm_odm,
 530                 u16 minRptTime
 531 )
 532 {
 533         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE, (" =====>odm_RATxRPTTimerSetting()\n"));
 534
 535         if (dm_odm->CurrminRptTime != minRptTime) {
 536                 ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD,
 537                              (" CurrminRptTime = 0x%04x minRptTime = 0x%04x\n", dm_odm->CurrminRptTime, minRptTime));
 538                 rtw_rpt_timer_cfg_cmd(dm_odm->Adapter, minRptTime);
 539                 dm_odm->CurrminRptTime = minRptTime;
 540         }
 541         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE, (" <===== odm_RATxRPTTimerSetting()\n"));
 542 }
 543
 544 void
 545 ODM_RASupport_Init(
 546                 struct odm_dm_struct *dm_odm
 547         )
 548 {
 549         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD, ("=====>ODM_RASupport_Init()\n"));
 550
 551         dm_odm->RaSupport88E = true;
 552 }
 553
 554 int ODM_RAInfo_Init(struct odm_dm_struct *dm_odm, u8 macid)
 555 {
 556         struct odm_ra_info *pRaInfo = &dm_odm->RAInfo[macid];
 557         u8 WirelessMode = 0xFF; /* invalid value */
 558         u8 max_rate_idx = 0x13; /* MCS7 */
 559
 560         if (dm_odm->pWirelessMode != NULL)
 561                 WirelessMode = *(dm_odm->pWirelessMode);
 562
 563         if (WirelessMode != 0xFF) {
 564                 if (WirelessMode & ODM_WM_N24G)
 565                         max_rate_idx = 0x13;
 566                 else if (WirelessMode & ODM_WM_G)
 567                         max_rate_idx = 0x0b;
 568                 else if (WirelessMode & ODM_WM_B)
 569                         max_rate_idx = 0x03;
 570         }
 571
 572         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD,
 573                      ("ODM_RAInfo_Init(): WirelessMode:0x%08x , max_raid_idx:0x%02x\n",
 574                      WirelessMode, max_rate_idx));
 575
 576         pRaInfo->DecisionRate = max_rate_idx;
 577         pRaInfo->PreRate = max_rate_idx;
 578         pRaInfo->HighestRate = max_rate_idx;
 579         pRaInfo->LowestRate = 0;
 580         pRaInfo->RateID = 0;
 581         pRaInfo->RateMask = 0xffffffff;
 582         pRaInfo->RssiStaRA = 0;
 583         pRaInfo->PreRssiStaRA = 0;
 584         pRaInfo->SGIEnable = 0;
 585         pRaInfo->RAUseRate = 0xffffffff;
 586         pRaInfo->NscDown = (N_THRESHOLD_HIGH[0x13]+N_THRESHOLD_LOW[0x13])/2;
 587         pRaInfo->NscUp = (N_THRESHOLD_HIGH[0x13]+N_THRESHOLD_LOW[0x13])/2;
 588         pRaInfo->RateSGI = 0;
 589         pRaInfo->Active = 1;    /* Active is not used at present. by page, 110819 */
 590         pRaInfo->RptTime = 0x927c;
 591         pRaInfo->DROP = 0;
 592         pRaInfo->RTY[0] = 0;
 593         pRaInfo->RTY[1] = 0;
 594         pRaInfo->RTY[2] = 0;
 595         pRaInfo->RTY[3] = 0;
 596         pRaInfo->RTY[4] = 0;
 597         pRaInfo->TOTAL = 0;
 598         pRaInfo->RAWaitingCounter = 0;
 599         pRaInfo->RAPendingCounter = 0;
 600         pRaInfo->PTActive = 1;   /*  Active when this STA is use */
 601         pRaInfo->PTTryState = 0;
 602         pRaInfo->PTStage = 5; /*  Need to fill into HW_PWR_STATUS */
 603         pRaInfo->PTSmoothFactor = 192;
 604         pRaInfo->PTStopCount = 0;
 605         pRaInfo->PTPreRate = 0;
 606         pRaInfo->PTPreRssi = 0;
 607         pRaInfo->PTModeSS = 0;
 608         pRaInfo->RAstage = 0;
 609         return 0;
 610 }
 611
 612 int ODM_RAInfo_Init_all(struct odm_dm_struct *dm_odm)
 613 {
 614         u8 macid = 0;
 615
 616         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD, ("=====>\n"));
 617         dm_odm->CurrminRptTime = 0;
 618
 619         for (macid = 0; macid < ODM_ASSOCIATE_ENTRY_NUM; macid++)
 620                 ODM_RAInfo_Init(dm_odm, macid);
 621
 622         return 0;
 623 }
 624
 625 u8 ODM_RA_GetShortGI_8188E(struct odm_dm_struct *dm_odm, u8 macid)
 626 {
 627         if ((NULL == dm_odm) || (macid >= ASSOCIATE_ENTRY_NUM))
 628                 return 0;
 629         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE,
 630                      ("macid =%d SGI =%d\n", macid, dm_odm->RAInfo[macid].RateSGI));
 631         return dm_odm->RAInfo[macid].RateSGI;
 632 }
 633
 634 u8 ODM_RA_GetDecisionRate_8188E(struct odm_dm_struct *dm_odm, u8 macid)
 635 {
 636         u8 DecisionRate = 0;
 637
 638         if ((NULL == dm_odm) || (macid >= ASSOCIATE_ENTRY_NUM))
 639                 return 0;
 640         DecisionRate = dm_odm->RAInfo[macid].DecisionRate;
 641         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE,
 642                 (" macid =%d DecisionRate = 0x%x\n", macid, DecisionRate));
 643         return DecisionRate;
 644 }
 645
 646 u8 ODM_RA_GetHwPwrStatus_8188E(struct odm_dm_struct *dm_odm, u8 macid)
 647 {
 648         u8 PTStage = 5;
 649
 650         if ((NULL == dm_odm) || (macid >= ASSOCIATE_ENTRY_NUM))
 651                 return 0;
 652         PTStage = dm_odm->RAInfo[macid].PTStage;
 653         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE,
 654                      ("macid =%d PTStage = 0x%x\n", macid, PTStage));
 655         return PTStage;
 656 }
 657
 658 void ODM_RA_UpdateRateInfo_8188E(struct odm_dm_struct *dm_odm, u8 macid, u8 RateID, u32 RateMask, u8 SGIEnable)
 659 {
 660         struct odm_ra_info *pRaInfo = NULL;
 661
 662         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD,
 663                      ("macid =%d RateID = 0x%x RateMask = 0x%x SGIEnable =%d\n",
 664                      macid, RateID, RateMask, SGIEnable));
 665         if ((NULL == dm_odm) || (macid >= ASSOCIATE_ENTRY_NUM))
 666                 return;
 667
 668         pRaInfo = &(dm_odm->RAInfo[macid]);
 669         pRaInfo->RateID = RateID;
 670         pRaInfo->RateMask = RateMask;
 671         pRaInfo->SGIEnable = SGIEnable;
 672         odm_ARFBRefresh_8188E(dm_odm, pRaInfo);
 673 }
 674
 675 void ODM_RA_SetRSSI_8188E(struct odm_dm_struct *dm_odm, u8 macid, u8 Rssi)
 676 {
 677         struct odm_ra_info *pRaInfo = NULL;
 678
 679         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_TRACE,
 680                      (" macid =%d Rssi =%d\n", macid, Rssi));
 681         if ((NULL == dm_odm) || (macid >= ASSOCIATE_ENTRY_NUM))
 682                 return;
 683
 684         pRaInfo = &(dm_odm->RAInfo[macid]);
 685         pRaInfo->RssiStaRA = Rssi;
 686 }
 687
 688 void ODM_RA_Set_TxRPT_Time(struct odm_dm_struct *dm_odm, u16 minRptTime)
 689 {
 690         struct adapter *adapt = dm_odm->Adapter;
 691
 692         usb_write16(adapt, REG_TX_RPT_TIME, minRptTime);
 693 }
 694
 695 void ODM_RA_TxRPT2Handle_8188E(struct odm_dm_struct *dm_odm, u8 *TxRPT_Buf, u16 TxRPT_Len, u32 macid_entry0, u32 macid_entry1)
 696 {
 697         struct odm_ra_info *pRAInfo = NULL;
 698         u8 MacId = 0;
 699         u8 *pBuffer = NULL;
 700         u32 valid = 0, ItemNum = 0;
 701         u16 minRptTime = 0x927c;
 702
 703         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD,
 704                      ("=====>ODM_RA_TxRPT2Handle_8188E(): valid0 =%d valid1 =%d BufferLength =%d\n",
 705                      macid_entry0, macid_entry1, TxRPT_Len));
 706
 707         ItemNum = TxRPT_Len >> 3;
 708         pBuffer = TxRPT_Buf;
 709
 710         do {
 711                 if (MacId >= ASSOCIATE_ENTRY_NUM)
 712                         valid = 0;
 713                 else if (MacId >= 32)
 714                         valid = (1 << (MacId - 32)) & macid_entry1;
 715                 else
 716                         valid = (1 << MacId) & macid_entry0;
 717
 718                 pRAInfo = &(dm_odm->RAInfo[MacId]);
 719                 if (valid) {
 720                         pRAInfo->RTY[0] = (u16)GET_TX_REPORT_TYPE1_RERTY_0(pBuffer);
 721                         pRAInfo->RTY[1] = (u16)GET_TX_REPORT_TYPE1_RERTY_1(pBuffer);
 722                         pRAInfo->RTY[2] = (u16)GET_TX_REPORT_TYPE1_RERTY_2(pBuffer);
 723                         pRAInfo->RTY[3] = (u16)GET_TX_REPORT_TYPE1_RERTY_3(pBuffer);
 724                         pRAInfo->RTY[4] = (u16)GET_TX_REPORT_TYPE1_RERTY_4(pBuffer);
 725                         pRAInfo->DROP =   (u16)GET_TX_REPORT_TYPE1_DROP_0(pBuffer);
 726                         pRAInfo->TOTAL = pRAInfo->RTY[0] + pRAInfo->RTY[1] +
 727                                          pRAInfo->RTY[2] + pRAInfo->RTY[3] +
 728                                          pRAInfo->RTY[4] + pRAInfo->DROP;
 729                         if (pRAInfo->TOTAL != 0) {
 730                                 ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD,
 731                                              ("macid =%d Total =%d R0 =%d R1 =%d R2 =%d R3 =%d R4 =%d D0 =%d valid0 =%x valid1 =%x\n",
 732                                              MacId, pRAInfo->TOTAL,
 733                                              pRAInfo->RTY[0], pRAInfo->RTY[1],
 734                                              pRAInfo->RTY[2], pRAInfo->RTY[3],
 735                                              pRAInfo->RTY[4], pRAInfo->DROP,
 736                                              macid_entry0 , macid_entry1));
 737                                 if (pRAInfo->PTActive) {
 738                                         if (pRAInfo->RAstage < 5)
 739                                                 odm_RateDecision_8188E(dm_odm, pRAInfo);
 740                                         else if (pRAInfo->RAstage == 5) /*  Power training try state */
 741                                                 odm_PTTryState_8188E(pRAInfo);
 742                                         else /*  RAstage == 6 */
 743                                                 odm_PTDecision_8188E(pRAInfo);
 744
 745                                         /*  Stage_RA counter */
 746                                         if (pRAInfo->RAstage <= 5)
 747                                                 pRAInfo->RAstage++;
 748                                         else
 749                                                 pRAInfo->RAstage = 0;
 750                                 } else {
 751                                         odm_RateDecision_8188E(dm_odm, pRAInfo);
 752                                 }
 753                                 ODM_RT_TRACE(dm_odm, ODM_COMP_INIT, ODM_DBG_LOUD,
 754                                              ("macid =%d R0 =%d R1 =%d R2 =%d R3 =%d R4 =%d drop =%d valid0 =%x RateID =%d SGI =%d\n",
 755                                              MacId,
 756                                              pRAInfo->RTY[0],
 757                                              pRAInfo->RTY[1],
 758                                              pRAInfo->RTY[2],
 759                                              pRAInfo->RTY[3],
 760                                              pRAInfo->RTY[4],
 761                                              pRAInfo->DROP,
 762                                              macid_entry0,
 763                                              pRAInfo->DecisionRate,
 764                                              pRAInfo->RateSGI));
 765                         } else {
 766                                 ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD, (" TOTAL = 0!!!!\n"));
 767                         }
 768                 }
 769
 770                 if (minRptTime > pRAInfo->RptTime)
 771                         minRptTime = pRAInfo->RptTime;
 772
 773                 pBuffer += TX_RPT2_ITEM_SIZE;
 774                 MacId++;
 775         } while (MacId < ItemNum);
 776
 777         odm_RATxRPTTimerSetting(dm_odm, minRptTime);
 778
 779         ODM_RT_TRACE(dm_odm, ODM_COMP_RATE_ADAPTIVE, ODM_DBG_LOUD, ("<===== ODM_RA_TxRPT2Handle_8188E()\n"));
 780 }