1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. 4 * 5 * Contact Information: wlanfae <wlanfae@realtek.com> 6 */ 7 #include "rtllib.h" 8 #include "rtl819x_HT.h" 9 u8 MCS_FILTER_ALL[16] = { 10 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 11 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 12 }; 13 14 u8 MCS_FILTER_1SS[16] = { 15 0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 16 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} 17 ; 18 19 u16 MCS_DATA_RATE[2][2][77] = { 20 {{13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78, 104, 156, 208, 234, 21 260, 39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416, 22 468, 520, 0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182, 23 182, 208, 156, 195, 195, 234, 273, 273, 312, 130, 156, 181, 156, 24 181, 208, 234, 208, 234, 260, 260, 286, 195, 234, 273, 234, 273, 25 312, 351, 312, 351, 390, 390, 429}, 26 {14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289, 27 43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520, 28 578, 0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231, 29 173, 217, 217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260, 30 231, 260, 289, 289, 318, 217, 260, 303, 260, 303, 347, 390, 347, 390, 31 433, 433, 477} }, 32 {{27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486, 33 540, 81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648, 34 864, 972, 1080, 12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324, 35 378, 378, 432, 324, 405, 405, 486, 567, 567, 648, 270, 324, 378, 324, 36 378, 432, 486, 432, 486, 540, 540, 594, 405, 486, 567, 486, 567, 648, 37 729, 648, 729, 810, 810, 891}, 38 {30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540, 39 600, 90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720, 40 960, 1080, 1200, 13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360, 41 420, 420, 480, 360, 450, 450, 540, 630, 630, 720, 300, 360, 420, 360, 42 420, 480, 540, 480, 540, 600, 600, 660, 450, 540, 630, 540, 630, 720, 43 810, 720, 810, 900, 900, 990} } 44 }; 45 46 static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf}; 47 48 static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70}; 49 50 static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e}; 51 52 static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f}; 53 54 static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf}; 55 56 static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc}; 57 58 static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e}; 59 60 static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02}; 61 62 static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0}; 63 64 static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91}; 65 66 static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94}; 67 68 static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4}; 69 70 void HTUpdateDefaultSetting(struct rtllib_device *ieee) 71 { 72 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 73 74 pHTInfo->bAcceptAddbaReq = 1; 75 76 pHTInfo->bRegShortGI20MHz = 1; 77 pHTInfo->bRegShortGI40MHz = 1; 78 79 pHTInfo->bRegBW40MHz = 1; 80 81 if (pHTInfo->bRegBW40MHz) 82 pHTInfo->bRegSuppCCK = 1; 83 else 84 pHTInfo->bRegSuppCCK = true; 85 86 pHTInfo->nAMSDU_MaxSize = 7935UL; 87 pHTInfo->bAMSDU_Support = 0; 88 89 pHTInfo->bAMPDUEnable = 1; 90 pHTInfo->AMPDU_Factor = 2; 91 pHTInfo->MPDU_Density = 0; 92 93 pHTInfo->SelfMimoPs = 3; 94 if (pHTInfo->SelfMimoPs == 2) 95 pHTInfo->SelfMimoPs = 3; 96 ieee->bTxDisableRateFallBack = 0; 97 ieee->bTxUseDriverAssingedRate = 0; 98 99 ieee->bTxEnableFwCalcDur = 1; 100 101 pHTInfo->bRegRT2RTAggregation = 1; 102 103 pHTInfo->bRegRxReorderEnable = 1; 104 pHTInfo->RxReorderWinSize = 64; 105 pHTInfo->RxReorderPendingTime = 30; 106 } 107 108 static u16 HTMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate) 109 { 110 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 111 112 u8 is40MHz = (pHTInfo->bCurBW40MHz) ? 1 : 0; 113 u8 isShortGI = (pHTInfo->bCurBW40MHz) ? 114 ((pHTInfo->bCurShortGI40MHz) ? 1 : 0) : 115 ((pHTInfo->bCurShortGI20MHz) ? 1 : 0); 116 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)]; 117 } 118 119 u16 TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate) 120 { 121 u16 CCKOFDMRate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 122 0x24, 0x30, 0x48, 0x60, 0x6c}; 123 u8 is40MHz = 0; 124 u8 isShortGI = 0; 125 126 if (nDataRate < 12) 127 return CCKOFDMRate[nDataRate]; 128 if (nDataRate >= 0x10 && nDataRate <= 0x1f) { 129 is40MHz = 0; 130 isShortGI = 0; 131 } else if (nDataRate >= 0x20 && nDataRate <= 0x2f) { 132 is40MHz = 1; 133 isShortGI = 0; 134 } else if (nDataRate >= 0x30 && nDataRate <= 0x3f) { 135 is40MHz = 0; 136 isShortGI = 1; 137 } else if (nDataRate >= 0x40 && nDataRate <= 0x4f) { 138 is40MHz = 1; 139 isShortGI = 1; 140 } 141 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf]; 142 } 143 144 bool IsHTHalfNmodeAPs(struct rtllib_device *ieee) 145 { 146 bool retValue = false; 147 struct rtllib_network *net = &ieee->current_network; 148 149 if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) || 150 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) || 151 (memcmp(net->bssid, PCI_RALINK, 3) == 0) || 152 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) || 153 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) || 154 (net->ralink_cap_exist)) 155 retValue = true; 156 else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) || 157 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) || 158 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) || 159 (net->broadcom_cap_exist)) 160 retValue = true; 161 else if (net->bssht.bdRT2RTAggregation) 162 retValue = true; 163 else 164 retValue = false; 165 166 return retValue; 167 } 168 169 static void HTIOTPeerDetermine(struct rtllib_device *ieee) 170 { 171 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 172 struct rtllib_network *net = &ieee->current_network; 173 174 if (net->bssht.bdRT2RTAggregation) { 175 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK; 176 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE) 177 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE; 178 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP) 179 pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP; 180 } else if (net->broadcom_cap_exist) { 181 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; 182 } else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) || 183 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) || 184 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)) { 185 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; 186 } else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) || 187 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) || 188 (memcmp(net->bssid, PCI_RALINK, 3) == 0) || 189 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) || 190 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) || 191 net->ralink_cap_exist) { 192 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK; 193 } else if ((net->atheros_cap_exist) || 194 (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0) || 195 (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0)) { 196 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS; 197 } else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) || 198 net->cisco_cap_exist) { 199 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO; 200 } else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) || 201 net->marvell_cap_exist) { 202 pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL; 203 } else if (net->airgo_cap_exist) { 204 pHTInfo->IOTPeer = HT_IOT_PEER_AIRGO; 205 } else { 206 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; 207 } 208 209 netdev_dbg(ieee->dev, "IOTPEER: %x\n", pHTInfo->IOTPeer); 210 } 211 212 static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr) 213 { 214 return 0; 215 } 216 217 218 static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee) 219 { 220 return false; 221 } 222 223 static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee) 224 { 225 return false; 226 } 227 228 static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee, 229 u8 *PeerMacAddr) 230 { 231 return false; 232 } 233 234 static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee, 235 struct rtllib_network *network) 236 { 237 u8 retValue = 0; 238 239 240 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) 241 retValue = 1; 242 243 return retValue; 244 } 245 246 static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee) 247 { 248 u8 retValue = 0; 249 250 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) 251 retValue = 1; 252 return retValue; 253 } 254 255 static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss) 256 { 257 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 258 259 pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL; 260 261 if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss) 262 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R; 263 264 if (pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE) 265 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU; 266 267 } 268 269 void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo) 270 { 271 pHTInfo->IOTAction = 0; 272 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; 273 pHTInfo->IOTRaFunc = 0; 274 } 275 276 void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap, 277 u8 *len, u8 IsEncrypt, bool bAssoc) 278 { 279 struct rt_hi_throughput *pHT = ieee->pHTInfo; 280 struct ht_capab_ele *pCapELE = NULL; 281 282 if ((posHTCap == NULL) || (pHT == NULL)) { 283 netdev_warn(ieee->dev, 284 "%s(): posHTCap and pHTInfo are null\n", __func__); 285 return; 286 } 287 memset(posHTCap, 0, *len); 288 289 if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) { 290 u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; 291 292 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap)); 293 pCapELE = (struct ht_capab_ele *)&(posHTCap[4]); 294 *len = 30 + 2; 295 } else { 296 pCapELE = (struct ht_capab_ele *)posHTCap; 297 *len = 26 + 2; 298 } 299 300 pCapELE->AdvCoding = 0; 301 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 302 pCapELE->ChlWidth = 0; 303 else 304 pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0); 305 306 pCapELE->MimoPwrSave = pHT->SelfMimoPs; 307 pCapELE->GreenField = 0; 308 pCapELE->ShortGI20Mhz = 1; 309 pCapELE->ShortGI40Mhz = 1; 310 311 pCapELE->TxSTBC = 1; 312 pCapELE->RxSTBC = 0; 313 pCapELE->DelayBA = 0; 314 pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0; 315 pCapELE->DssCCk = ((pHT->bRegBW40MHz) ? (pHT->bRegSuppCCK ? 1 : 0) : 0); 316 pCapELE->PSMP = 0; 317 pCapELE->LSigTxopProtect = 0; 318 319 320 netdev_dbg(ieee->dev, 321 "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", 322 pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk); 323 324 if (IsEncrypt) { 325 pCapELE->MPDUDensity = 7; 326 pCapELE->MaxRxAMPDUFactor = 2; 327 } else { 328 pCapELE->MaxRxAMPDUFactor = 3; 329 pCapELE->MPDUDensity = 0; 330 } 331 332 memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16); 333 memset(&pCapELE->ExtHTCapInfo, 0, 2); 334 memset(pCapELE->TxBFCap, 0, 4); 335 336 pCapELE->ASCap = 0; 337 338 if (bAssoc) { 339 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15) 340 pCapELE->MCS[1] &= 0x7f; 341 342 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14) 343 pCapELE->MCS[1] &= 0xbf; 344 345 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS) 346 pCapELE->MCS[1] &= 0x00; 347 348 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI) 349 pCapELE->ShortGI40Mhz = 0; 350 351 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) { 352 pCapELE->ChlWidth = 0; 353 pCapELE->MCS[1] = 0; 354 } 355 } 356 } 357 358 void HTConstructInfoElement(struct rtllib_device *ieee, u8 *posHTInfo, 359 u8 *len, u8 IsEncrypt) 360 { 361 struct rt_hi_throughput *pHT = ieee->pHTInfo; 362 struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo; 363 364 if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) { 365 netdev_warn(ieee->dev, 366 "%s(): posHTInfo and pHTInfoEle are null\n", 367 __func__); 368 return; 369 } 370 371 memset(posHTInfo, 0, *len); 372 if ((ieee->iw_mode == IW_MODE_ADHOC) || 373 (ieee->iw_mode == IW_MODE_MASTER)) { 374 pHTInfoEle->ControlChl = ieee->current_network.channel; 375 pHTInfoEle->ExtChlOffset = ((!pHT->bRegBW40MHz) ? 376 HT_EXTCHNL_OFFSET_NO_EXT : 377 (ieee->current_network.channel <= 6) 378 ? HT_EXTCHNL_OFFSET_UPPER : 379 HT_EXTCHNL_OFFSET_LOWER); 380 pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz; 381 pHTInfoEle->RIFS = 0; 382 pHTInfoEle->PSMPAccessOnly = 0; 383 pHTInfoEle->SrvIntGranularity = 0; 384 pHTInfoEle->OptMode = pHT->CurrentOpMode; 385 pHTInfoEle->NonGFDevPresent = 0; 386 pHTInfoEle->DualBeacon = 0; 387 pHTInfoEle->SecondaryBeacon = 0; 388 pHTInfoEle->LSigTxopProtectFull = 0; 389 pHTInfoEle->PcoActive = 0; 390 pHTInfoEle->PcoPhase = 0; 391 392 memset(pHTInfoEle->BasicMSC, 0, 16); 393 394 395 *len = 22 + 2; 396 397 } else { 398 *len = 0; 399 } 400 } 401 402 void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg, 403 u8 *len) 404 { 405 if (posRT2RTAgg == NULL) { 406 netdev_warn(ieee->dev, "%s(): posRT2RTAgg is null\n", __func__); 407 return; 408 } 409 memset(posRT2RTAgg, 0, *len); 410 *posRT2RTAgg++ = 0x00; 411 *posRT2RTAgg++ = 0xe0; 412 *posRT2RTAgg++ = 0x4c; 413 *posRT2RTAgg++ = 0x02; 414 *posRT2RTAgg++ = 0x01; 415 416 *posRT2RTAgg = 0x30; 417 418 if (ieee->bSupportRemoteWakeUp) 419 *posRT2RTAgg |= RT_HT_CAP_USE_WOW; 420 421 *len = 6 + 2; 422 } 423 424 static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS) 425 { 426 u8 i; 427 428 if (pOperateMCS == NULL) { 429 netdev_warn(ieee->dev, "%s(): pOperateMCS is null\n", __func__); 430 return false; 431 } 432 433 switch (ieee->mode) { 434 case IEEE_A: 435 case IEEE_B: 436 case IEEE_G: 437 for (i = 0; i <= 15; i++) 438 pOperateMCS[i] = 0; 439 break; 440 case IEEE_N_24G: 441 case IEEE_N_5G: 442 pOperateMCS[0] &= RATE_ADPT_1SS_MASK; 443 pOperateMCS[1] &= RATE_ADPT_2SS_MASK; 444 pOperateMCS[3] &= RATE_ADPT_MCS32_MASK; 445 break; 446 default: 447 break; 448 449 } 450 451 return true; 452 } 453 454 u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet, 455 u8 *pMCSFilter) 456 { 457 u8 i, j; 458 u8 bitMap; 459 u8 mcsRate = 0; 460 u8 availableMcsRate[16]; 461 462 if (pMCSRateSet == NULL || pMCSFilter == NULL) { 463 netdev_warn(ieee->dev, 464 "%s(): pMCSRateSet and pMCSFilter are null\n", 465 __func__); 466 return false; 467 } 468 for (i = 0; i < 16; i++) 469 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i]; 470 471 for (i = 0; i < 16; i++) { 472 if (availableMcsRate[i] != 0) 473 break; 474 } 475 if (i == 16) 476 return false; 477 478 for (i = 0; i < 16; i++) { 479 if (availableMcsRate[i] != 0) { 480 bitMap = availableMcsRate[i]; 481 for (j = 0; j < 8; j++) { 482 if ((bitMap%2) != 0) { 483 if (HTMcsToDataRate(ieee, (8*i+j)) > 484 HTMcsToDataRate(ieee, mcsRate)) 485 mcsRate = 8 * i + j; 486 } 487 bitMap >>= 1; 488 } 489 } 490 } 491 return mcsRate | 0x80; 492 } 493 494 static u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS, 495 u8 *pOperateMCS) 496 { 497 498 u8 i; 499 500 for (i = 0; i <= 15; i++) 501 pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i] & 502 pSupportMCS[i]; 503 504 HT_PickMCSRate(ieee, pOperateMCS); 505 506 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 507 pOperateMCS[1] = 0; 508 509 for (i = 2; i <= 15; i++) 510 pOperateMCS[i] = 0; 511 512 return true; 513 } 514 515 void HTSetConnectBwMode(struct rtllib_device *ieee, 516 enum ht_channel_width Bandwidth, 517 enum ht_extchnl_offset Offset); 518 519 void HTOnAssocRsp(struct rtllib_device *ieee) 520 { 521 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 522 struct ht_capab_ele *pPeerHTCap = NULL; 523 struct ht_info_ele *pPeerHTInfo = NULL; 524 u16 nMaxAMSDUSize = 0; 525 u8 *pMcsFilter = NULL; 526 527 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; 528 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; 529 530 if (!pHTInfo->bCurrentHTSupport) { 531 netdev_warn(ieee->dev, "%s(): HT_DISABLE\n", __func__); 532 return; 533 } 534 netdev_dbg(ieee->dev, "%s(): HT_ENABLE\n", __func__); 535 536 if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap))) 537 pPeerHTCap = (struct ht_capab_ele *)(&pHTInfo->PeerHTCapBuf[4]); 538 else 539 pPeerHTCap = (struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf); 540 541 if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo))) 542 pPeerHTInfo = (struct ht_info_ele *) 543 (&pHTInfo->PeerHTInfoBuf[4]); 544 else 545 pPeerHTInfo = (struct ht_info_ele *)(pHTInfo->PeerHTInfoBuf); 546 547 548 #ifdef VERBOSE_DEBUG 549 print_hex_dump_bytes("%s: ", __func__, DUMP_PREFIX_NONE, 550 pPeerHTCap, sizeof(struct ht_capab_ele)); 551 #endif 552 HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth), 553 (enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset)); 554 pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ? 555 true : false); 556 557 pHTInfo->bCurShortGI20MHz = ((pHTInfo->bRegShortGI20MHz) ? 558 ((pPeerHTCap->ShortGI20Mhz == 1) ? 559 true : false) : false); 560 pHTInfo->bCurShortGI40MHz = ((pHTInfo->bRegShortGI40MHz) ? 561 ((pPeerHTCap->ShortGI40Mhz == 1) ? 562 true : false) : false); 563 564 pHTInfo->bCurSuppCCK = ((pHTInfo->bRegSuppCCK) ? 565 ((pPeerHTCap->DssCCk == 1) ? true : 566 false) : false); 567 568 569 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; 570 571 nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935; 572 573 if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize) 574 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize; 575 else 576 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 577 578 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; 579 if (ieee->rtllib_ap_sec_type && 580 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))) { 581 if ((pHTInfo->IOTPeer == HT_IOT_PEER_ATHEROS) || 582 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN)) 583 pHTInfo->bCurrentAMPDUEnable = false; 584 } 585 586 if (!pHTInfo->bRegRT2RTAggregation) { 587 if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor) 588 pHTInfo->CurrentAMPDUFactor = 589 pPeerHTCap->MaxRxAMPDUFactor; 590 else 591 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 592 593 } else { 594 if (ieee->current_network.bssht.bdRT2RTAggregation) { 595 if (ieee->pairwise_key_type != KEY_TYPE_NA) 596 pHTInfo->CurrentAMPDUFactor = 597 pPeerHTCap->MaxRxAMPDUFactor; 598 else 599 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K; 600 } else { 601 if (pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K) 602 pHTInfo->CurrentAMPDUFactor = 603 pPeerHTCap->MaxRxAMPDUFactor; 604 else 605 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K; 606 } 607 } 608 if (pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity) 609 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; 610 else 611 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity; 612 if (pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K) { 613 pHTInfo->bCurrentAMPDUEnable = false; 614 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE; 615 pHTInfo->ForcedAMSDUMaxSize = 7935; 616 } 617 pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable; 618 619 if (pPeerHTCap->MCS[0] == 0) 620 pPeerHTCap->MCS[0] = 0xff; 621 622 HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0)); 623 624 HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet); 625 626 pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave; 627 if (pHTInfo->PeerMimoPs == MIMO_PS_STATIC) 628 pMcsFilter = MCS_FILTER_1SS; 629 else 630 pMcsFilter = MCS_FILTER_ALL; 631 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, 632 ieee->dot11HTOperationalRateSet, pMcsFilter); 633 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; 634 635 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; 636 } 637 638 void HTInitializeHTInfo(struct rtllib_device *ieee) 639 { 640 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 641 642 netdev_vdbg(ieee->dev, "%s()\n", __func__); 643 pHTInfo->bCurrentHTSupport = false; 644 645 pHTInfo->bCurBW40MHz = false; 646 pHTInfo->bCurTxBW40MHz = false; 647 648 pHTInfo->bCurShortGI20MHz = false; 649 pHTInfo->bCurShortGI40MHz = false; 650 pHTInfo->bForcedShortGI = false; 651 652 pHTInfo->bCurSuppCCK = true; 653 654 pHTInfo->bCurrent_AMSDU_Support = false; 655 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 656 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; 657 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 658 659 memset((void *)(&(pHTInfo->SelfHTCap)), 0, 660 sizeof(pHTInfo->SelfHTCap)); 661 memset((void *)(&(pHTInfo->SelfHTInfo)), 0, 662 sizeof(pHTInfo->SelfHTInfo)); 663 memset((void *)(&(pHTInfo->PeerHTCapBuf)), 0, 664 sizeof(pHTInfo->PeerHTCapBuf)); 665 memset((void *)(&(pHTInfo->PeerHTInfoBuf)), 0, 666 sizeof(pHTInfo->PeerHTInfoBuf)); 667 668 pHTInfo->bSwBwInProgress = false; 669 670 pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE; 671 672 pHTInfo->bCurrentRT2RTAggregation = false; 673 pHTInfo->bCurrentRT2RTLongSlotTime = false; 674 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; 675 676 pHTInfo->IOTPeer = 0; 677 pHTInfo->IOTAction = 0; 678 pHTInfo->IOTRaFunc = 0; 679 680 { 681 u8 *RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]); 682 683 RegHTSuppRateSets[0] = 0xFF; 684 RegHTSuppRateSets[1] = 0xFF; 685 RegHTSuppRateSets[4] = 0x01; 686 } 687 } 688 689 void HTInitializeBssDesc(struct bss_ht *pBssHT) 690 { 691 692 pBssHT->bdSupportHT = false; 693 memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf)); 694 pBssHT->bdHTCapLen = 0; 695 memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf)); 696 pBssHT->bdHTInfoLen = 0; 697 698 pBssHT->bdHTSpecVer = HT_SPEC_VER_IEEE; 699 700 pBssHT->bdRT2RTAggregation = false; 701 pBssHT->bdRT2RTLongSlotTime = false; 702 pBssHT->RT2RT_HT_Mode = (enum rt_ht_capability)0; 703 } 704 705 void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee, 706 struct rtllib_network *pNetwork) 707 { 708 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 709 u8 bIOTAction = 0; 710 711 netdev_vdbg(ieee->dev, "%s()\n", __func__); 712 /* unmark bEnableHT flag here is the same reason why unmarked in 713 * function rtllib_softmac_new_net. WB 2008.09.10 714 */ 715 if (pNetwork->bssht.bdSupportHT) { 716 pHTInfo->bCurrentHTSupport = true; 717 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer; 718 719 if (pNetwork->bssht.bdHTCapLen > 0 && 720 pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf)) 721 memcpy(pHTInfo->PeerHTCapBuf, 722 pNetwork->bssht.bdHTCapBuf, 723 pNetwork->bssht.bdHTCapLen); 724 725 if (pNetwork->bssht.bdHTInfoLen > 0 && 726 pNetwork->bssht.bdHTInfoLen <= 727 sizeof(pHTInfo->PeerHTInfoBuf)) 728 memcpy(pHTInfo->PeerHTInfoBuf, 729 pNetwork->bssht.bdHTInfoBuf, 730 pNetwork->bssht.bdHTInfoLen); 731 732 if (pHTInfo->bRegRT2RTAggregation) { 733 pHTInfo->bCurrentRT2RTAggregation = 734 pNetwork->bssht.bdRT2RTAggregation; 735 pHTInfo->bCurrentRT2RTLongSlotTime = 736 pNetwork->bssht.bdRT2RTLongSlotTime; 737 pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode; 738 } else { 739 pHTInfo->bCurrentRT2RTAggregation = false; 740 pHTInfo->bCurrentRT2RTLongSlotTime = false; 741 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; 742 } 743 744 HTIOTPeerDetermine(ieee); 745 746 pHTInfo->IOTAction = 0; 747 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid); 748 if (bIOTAction) 749 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14; 750 751 bIOTAction = HTIOTActIsDisableMCS15(ieee); 752 if (bIOTAction) 753 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15; 754 755 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee); 756 if (bIOTAction) 757 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS; 758 759 760 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid); 761 if (bIOTAction) 762 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO; 763 764 bIOTAction = HTIOTActIsMgntUseCCK6M(ieee, pNetwork); 765 if (bIOTAction) 766 pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M; 767 bIOTAction = HTIOTActIsCCDFsync(ieee); 768 if (bIOTAction) 769 pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC; 770 } else { 771 pHTInfo->bCurrentHTSupport = false; 772 pHTInfo->bCurrentRT2RTAggregation = false; 773 pHTInfo->bCurrentRT2RTLongSlotTime = false; 774 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; 775 776 pHTInfo->IOTAction = 0; 777 pHTInfo->IOTRaFunc = 0; 778 } 779 } 780 781 void HT_update_self_and_peer_setting(struct rtllib_device *ieee, 782 struct rtllib_network *pNetwork) 783 { 784 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 785 struct ht_info_ele *pPeerHTInfo = 786 (struct ht_info_ele *)pNetwork->bssht.bdHTInfoBuf; 787 788 if (pHTInfo->bCurrentHTSupport) { 789 if (pNetwork->bssht.bdHTInfoLen != 0) 790 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; 791 } 792 } 793 EXPORT_SYMBOL(HT_update_self_and_peer_setting); 794 795 void HTUseDefaultSetting(struct rtllib_device *ieee) 796 { 797 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 798 799 if (pHTInfo->bEnableHT) { 800 pHTInfo->bCurrentHTSupport = true; 801 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK; 802 803 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz; 804 pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz; 805 806 pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz; 807 808 if (ieee->iw_mode == IW_MODE_ADHOC) 809 ieee->current_network.qos_data.active = 810 ieee->current_network.qos_data.supported; 811 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; 812 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 813 814 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; 815 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 816 817 pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity; 818 819 HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet, 820 ieee->dot11HTOperationalRateSet); 821 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, 822 ieee->dot11HTOperationalRateSet, 823 MCS_FILTER_ALL); 824 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; 825 826 } else { 827 pHTInfo->bCurrentHTSupport = false; 828 } 829 } 830 831 u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame) 832 { 833 if (ieee->pHTInfo->bCurrentHTSupport) { 834 if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) { 835 netdev_dbg(ieee->dev, "HT CONTROL FILED EXIST!!\n"); 836 return true; 837 } 838 } 839 return false; 840 } 841 842 static void HTSetConnectBwModeCallback(struct rtllib_device *ieee) 843 { 844 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 845 846 netdev_vdbg(ieee->dev, "%s()\n", __func__); 847 848 if (pHTInfo->bCurBW40MHz) { 849 if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER) 850 ieee->set_chan(ieee->dev, 851 ieee->current_network.channel + 2); 852 else if (pHTInfo->CurSTAExtChnlOffset == 853 HT_EXTCHNL_OFFSET_LOWER) 854 ieee->set_chan(ieee->dev, 855 ieee->current_network.channel - 2); 856 else 857 ieee->set_chan(ieee->dev, 858 ieee->current_network.channel); 859 860 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, 861 pHTInfo->CurSTAExtChnlOffset); 862 } else { 863 ieee->set_chan(ieee->dev, ieee->current_network.channel); 864 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, 865 HT_EXTCHNL_OFFSET_NO_EXT); 866 } 867 868 pHTInfo->bSwBwInProgress = false; 869 } 870 871 void HTSetConnectBwMode(struct rtllib_device *ieee, 872 enum ht_channel_width Bandwidth, 873 enum ht_extchnl_offset Offset) 874 { 875 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 876 877 if (!pHTInfo->bRegBW40MHz) 878 return; 879 880 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 881 Bandwidth = HT_CHANNEL_WIDTH_20; 882 883 if (pHTInfo->bSwBwInProgress) { 884 pr_info("%s: bSwBwInProgress!!\n", __func__); 885 return; 886 } 887 if (Bandwidth == HT_CHANNEL_WIDTH_20_40) { 888 if (ieee->current_network.channel < 2 && 889 Offset == HT_EXTCHNL_OFFSET_LOWER) 890 Offset = HT_EXTCHNL_OFFSET_NO_EXT; 891 if (Offset == HT_EXTCHNL_OFFSET_UPPER || 892 Offset == HT_EXTCHNL_OFFSET_LOWER) { 893 pHTInfo->bCurBW40MHz = true; 894 pHTInfo->CurSTAExtChnlOffset = Offset; 895 } else { 896 pHTInfo->bCurBW40MHz = false; 897 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; 898 } 899 } else { 900 pHTInfo->bCurBW40MHz = false; 901 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; 902 } 903 904 netdev_dbg(ieee->dev, "%s():pHTInfo->bCurBW40MHz:%x\n", __func__, 905 pHTInfo->bCurBW40MHz); 906 907 pHTInfo->bSwBwInProgress = true; 908 909 HTSetConnectBwModeCallback(ieee); 910 } 911