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 netdev_dbg(ieee->dev, "IOTPEER: %x\n", pHTInfo->IOTPeer); 209 } 210 211 static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr) 212 { 213 return 0; 214 } 215 216 217 static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee) 218 { 219 return false; 220 } 221 222 static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee) 223 { 224 return false; 225 } 226 227 static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee, 228 u8 *PeerMacAddr) 229 { 230 return false; 231 } 232 233 static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee, 234 struct rtllib_network *network) 235 { 236 u8 retValue = 0; 237 238 239 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) 240 retValue = 1; 241 242 return retValue; 243 } 244 245 static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee) 246 { 247 u8 retValue = 0; 248 249 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) 250 retValue = 1; 251 return retValue; 252 } 253 254 static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss) 255 { 256 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 257 258 pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL; 259 260 if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss) 261 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R; 262 263 if (pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE) 264 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU; 265 266 } 267 268 void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo) 269 { 270 pHTInfo->IOTAction = 0; 271 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; 272 pHTInfo->IOTRaFunc = 0; 273 } 274 275 void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap, 276 u8 *len, u8 IsEncrypt, bool bAssoc) 277 { 278 struct rt_hi_throughput *pHT = ieee->pHTInfo; 279 struct ht_capab_ele *pCapELE = NULL; 280 281 if ((posHTCap == NULL) || (pHT == NULL)) { 282 netdev_warn(ieee->dev, 283 "%s(): posHTCap and pHTInfo are null\n", __func__); 284 return; 285 } 286 memset(posHTCap, 0, *len); 287 288 if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) { 289 u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; 290 291 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap)); 292 pCapELE = (struct ht_capab_ele *)&(posHTCap[4]); 293 *len = 30 + 2; 294 } else { 295 pCapELE = (struct ht_capab_ele *)posHTCap; 296 *len = 26 + 2; 297 } 298 299 pCapELE->AdvCoding = 0; 300 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 301 pCapELE->ChlWidth = 0; 302 else 303 pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0); 304 305 pCapELE->MimoPwrSave = pHT->SelfMimoPs; 306 pCapELE->GreenField = 0; 307 pCapELE->ShortGI20Mhz = 1; 308 pCapELE->ShortGI40Mhz = 1; 309 310 pCapELE->TxSTBC = 1; 311 pCapELE->RxSTBC = 0; 312 pCapELE->DelayBA = 0; 313 pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0; 314 pCapELE->DssCCk = ((pHT->bRegBW40MHz) ? (pHT->bRegSuppCCK ? 1 : 0) : 0); 315 pCapELE->PSMP = 0; 316 pCapELE->LSigTxopProtect = 0; 317 318 319 netdev_dbg(ieee->dev, 320 "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", 321 pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk); 322 323 if (IsEncrypt) { 324 pCapELE->MPDUDensity = 7; 325 pCapELE->MaxRxAMPDUFactor = 2; 326 } else { 327 pCapELE->MaxRxAMPDUFactor = 3; 328 pCapELE->MPDUDensity = 0; 329 } 330 331 memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16); 332 memset(&pCapELE->ExtHTCapInfo, 0, 2); 333 memset(pCapELE->TxBFCap, 0, 4); 334 335 pCapELE->ASCap = 0; 336 337 if (bAssoc) { 338 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15) 339 pCapELE->MCS[1] &= 0x7f; 340 341 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14) 342 pCapELE->MCS[1] &= 0xbf; 343 344 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS) 345 pCapELE->MCS[1] &= 0x00; 346 347 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI) 348 pCapELE->ShortGI40Mhz = 0; 349 350 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) { 351 pCapELE->ChlWidth = 0; 352 pCapELE->MCS[1] = 0; 353 } 354 } 355 } 356 357 void HTConstructInfoElement(struct rtllib_device *ieee, u8 *posHTInfo, 358 u8 *len, u8 IsEncrypt) 359 { 360 struct rt_hi_throughput *pHT = ieee->pHTInfo; 361 struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo; 362 363 if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) { 364 netdev_warn(ieee->dev, 365 "%s(): posHTInfo and pHTInfoEle are null\n", 366 __func__); 367 return; 368 } 369 370 memset(posHTInfo, 0, *len); 371 if ((ieee->iw_mode == IW_MODE_ADHOC) || 372 (ieee->iw_mode == IW_MODE_MASTER)) { 373 pHTInfoEle->ControlChl = ieee->current_network.channel; 374 pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false) ? 375 HT_EXTCHNL_OFFSET_NO_EXT : 376 (ieee->current_network.channel <= 6) 377 ? HT_EXTCHNL_OFFSET_UPPER : 378 HT_EXTCHNL_OFFSET_LOWER); 379 pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz; 380 pHTInfoEle->RIFS = 0; 381 pHTInfoEle->PSMPAccessOnly = 0; 382 pHTInfoEle->SrvIntGranularity = 0; 383 pHTInfoEle->OptMode = pHT->CurrentOpMode; 384 pHTInfoEle->NonGFDevPresent = 0; 385 pHTInfoEle->DualBeacon = 0; 386 pHTInfoEle->SecondaryBeacon = 0; 387 pHTInfoEle->LSigTxopProtectFull = 0; 388 pHTInfoEle->PcoActive = 0; 389 pHTInfoEle->PcoPhase = 0; 390 391 memset(pHTInfoEle->BasicMSC, 0, 16); 392 393 394 *len = 22 + 2; 395 396 } else { 397 *len = 0; 398 } 399 } 400 401 void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg, 402 u8 *len) 403 { 404 if (posRT2RTAgg == NULL) { 405 netdev_warn(ieee->dev, "%s(): posRT2RTAgg is null\n", __func__); 406 return; 407 } 408 memset(posRT2RTAgg, 0, *len); 409 *posRT2RTAgg++ = 0x00; 410 *posRT2RTAgg++ = 0xe0; 411 *posRT2RTAgg++ = 0x4c; 412 *posRT2RTAgg++ = 0x02; 413 *posRT2RTAgg++ = 0x01; 414 415 *posRT2RTAgg = 0x30; 416 417 if (ieee->bSupportRemoteWakeUp) 418 *posRT2RTAgg |= RT_HT_CAP_USE_WOW; 419 420 *len = 6 + 2; 421 } 422 423 static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS) 424 { 425 u8 i; 426 427 if (pOperateMCS == NULL) { 428 netdev_warn(ieee->dev, "%s(): pOperateMCS is null\n", __func__); 429 return false; 430 } 431 432 switch (ieee->mode) { 433 case IEEE_A: 434 case IEEE_B: 435 case IEEE_G: 436 for (i = 0; i <= 15; i++) 437 pOperateMCS[i] = 0; 438 break; 439 case IEEE_N_24G: 440 case IEEE_N_5G: 441 pOperateMCS[0] &= RATE_ADPT_1SS_MASK; 442 pOperateMCS[1] &= RATE_ADPT_2SS_MASK; 443 pOperateMCS[3] &= RATE_ADPT_MCS32_MASK; 444 break; 445 default: 446 break; 447 448 } 449 450 return true; 451 } 452 453 u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet, 454 u8 *pMCSFilter) 455 { 456 u8 i, j; 457 u8 bitMap; 458 u8 mcsRate = 0; 459 u8 availableMcsRate[16]; 460 461 if (pMCSRateSet == NULL || pMCSFilter == NULL) { 462 netdev_warn(ieee->dev, 463 "%s(): pMCSRateSet and pMCSFilter are null\n", 464 __func__); 465 return false; 466 } 467 for (i = 0; i < 16; i++) 468 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i]; 469 470 for (i = 0; i < 16; i++) { 471 if (availableMcsRate[i] != 0) 472 break; 473 } 474 if (i == 16) 475 return false; 476 477 for (i = 0; i < 16; i++) { 478 if (availableMcsRate[i] != 0) { 479 bitMap = availableMcsRate[i]; 480 for (j = 0; j < 8; j++) { 481 if ((bitMap%2) != 0) { 482 if (HTMcsToDataRate(ieee, (8*i+j)) > 483 HTMcsToDataRate(ieee, mcsRate)) 484 mcsRate = 8 * i + j; 485 } 486 bitMap >>= 1; 487 } 488 } 489 } 490 return mcsRate | 0x80; 491 } 492 493 static u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS, 494 u8 *pOperateMCS) 495 { 496 497 u8 i; 498 499 for (i = 0; i <= 15; i++) 500 pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i] & 501 pSupportMCS[i]; 502 503 HT_PickMCSRate(ieee, pOperateMCS); 504 505 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 506 pOperateMCS[1] = 0; 507 508 for (i = 2; i <= 15; i++) 509 pOperateMCS[i] = 0; 510 511 return true; 512 } 513 514 void HTSetConnectBwMode(struct rtllib_device *ieee, 515 enum ht_channel_width Bandwidth, 516 enum ht_extchnl_offset Offset); 517 518 void HTOnAssocRsp(struct rtllib_device *ieee) 519 { 520 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 521 struct ht_capab_ele *pPeerHTCap = NULL; 522 struct ht_info_ele *pPeerHTInfo = NULL; 523 u16 nMaxAMSDUSize = 0; 524 u8 *pMcsFilter = NULL; 525 526 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; 527 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; 528 529 if (pHTInfo->bCurrentHTSupport == false) { 530 netdev_warn(ieee->dev, "%s(): HT_DISABLE\n", __func__); 531 return; 532 } 533 netdev_dbg(ieee->dev, "%s(): HT_ENABLE\n", __func__); 534 535 if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap))) 536 pPeerHTCap = (struct ht_capab_ele *)(&pHTInfo->PeerHTCapBuf[4]); 537 else 538 pPeerHTCap = (struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf); 539 540 if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo))) 541 pPeerHTInfo = (struct ht_info_ele *) 542 (&pHTInfo->PeerHTInfoBuf[4]); 543 else 544 pPeerHTInfo = (struct ht_info_ele *)(pHTInfo->PeerHTInfoBuf); 545 546 547 #ifdef VERBOSE_DEBUG 548 print_hex_dump_bytes("%s: ", __func__, DUMP_PREFIX_NONE, 549 pPeerHTCap, sizeof(struct ht_capab_ele)); 550 #endif 551 HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth), 552 (enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset)); 553 pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ? 554 true : false); 555 556 pHTInfo->bCurShortGI20MHz = ((pHTInfo->bRegShortGI20MHz) ? 557 ((pPeerHTCap->ShortGI20Mhz == 1) ? 558 true : false) : false); 559 pHTInfo->bCurShortGI40MHz = ((pHTInfo->bRegShortGI40MHz) ? 560 ((pPeerHTCap->ShortGI40Mhz == 1) ? 561 true : false) : false); 562 563 pHTInfo->bCurSuppCCK = ((pHTInfo->bRegSuppCCK) ? 564 ((pPeerHTCap->DssCCk == 1) ? true : 565 false) : false); 566 567 568 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; 569 570 nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935; 571 572 if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize) 573 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize; 574 else 575 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 576 577 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; 578 if (ieee->rtllib_ap_sec_type && 579 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))) { 580 if ((pHTInfo->IOTPeer == HT_IOT_PEER_ATHEROS) || 581 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN)) 582 pHTInfo->bCurrentAMPDUEnable = false; 583 } 584 585 if (!pHTInfo->bRegRT2RTAggregation) { 586 if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor) 587 pHTInfo->CurrentAMPDUFactor = 588 pPeerHTCap->MaxRxAMPDUFactor; 589 else 590 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 591 592 } else { 593 if (ieee->current_network.bssht.bdRT2RTAggregation) { 594 if (ieee->pairwise_key_type != KEY_TYPE_NA) 595 pHTInfo->CurrentAMPDUFactor = 596 pPeerHTCap->MaxRxAMPDUFactor; 597 else 598 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K; 599 } else { 600 if (pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K) 601 pHTInfo->CurrentAMPDUFactor = 602 pPeerHTCap->MaxRxAMPDUFactor; 603 else 604 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K; 605 } 606 } 607 if (pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity) 608 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; 609 else 610 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity; 611 if (pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K) { 612 pHTInfo->bCurrentAMPDUEnable = false; 613 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE; 614 pHTInfo->ForcedAMSDUMaxSize = 7935; 615 } 616 pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable; 617 618 if (pPeerHTCap->MCS[0] == 0) 619 pPeerHTCap->MCS[0] = 0xff; 620 621 HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0)); 622 623 HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet); 624 625 pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave; 626 if (pHTInfo->PeerMimoPs == MIMO_PS_STATIC) 627 pMcsFilter = MCS_FILTER_1SS; 628 else 629 pMcsFilter = MCS_FILTER_ALL; 630 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, 631 ieee->dot11HTOperationalRateSet, pMcsFilter); 632 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; 633 634 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; 635 } 636 637 void HTInitializeHTInfo(struct rtllib_device *ieee) 638 { 639 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 640 641 netdev_vdbg(ieee->dev, "%s()\n", __func__); 642 pHTInfo->bCurrentHTSupport = false; 643 644 pHTInfo->bCurBW40MHz = false; 645 pHTInfo->bCurTxBW40MHz = false; 646 647 pHTInfo->bCurShortGI20MHz = false; 648 pHTInfo->bCurShortGI40MHz = false; 649 pHTInfo->bForcedShortGI = false; 650 651 pHTInfo->bCurSuppCCK = true; 652 653 pHTInfo->bCurrent_AMSDU_Support = false; 654 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 655 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; 656 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 657 658 memset((void *)(&(pHTInfo->SelfHTCap)), 0, 659 sizeof(pHTInfo->SelfHTCap)); 660 memset((void *)(&(pHTInfo->SelfHTInfo)), 0, 661 sizeof(pHTInfo->SelfHTInfo)); 662 memset((void *)(&(pHTInfo->PeerHTCapBuf)), 0, 663 sizeof(pHTInfo->PeerHTCapBuf)); 664 memset((void *)(&(pHTInfo->PeerHTInfoBuf)), 0, 665 sizeof(pHTInfo->PeerHTInfoBuf)); 666 667 pHTInfo->bSwBwInProgress = false; 668 669 pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE; 670 671 pHTInfo->bCurrentRT2RTAggregation = false; 672 pHTInfo->bCurrentRT2RTLongSlotTime = false; 673 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; 674 675 pHTInfo->IOTPeer = 0; 676 pHTInfo->IOTAction = 0; 677 pHTInfo->IOTRaFunc = 0; 678 679 { 680 u8 *RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]); 681 682 RegHTSuppRateSets[0] = 0xFF; 683 RegHTSuppRateSets[1] = 0xFF; 684 RegHTSuppRateSets[4] = 0x01; 685 } 686 } 687 688 void HTInitializeBssDesc(struct bss_ht *pBssHT) 689 { 690 691 pBssHT->bdSupportHT = false; 692 memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf)); 693 pBssHT->bdHTCapLen = 0; 694 memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf)); 695 pBssHT->bdHTInfoLen = 0; 696 697 pBssHT->bdHTSpecVer = HT_SPEC_VER_IEEE; 698 699 pBssHT->bdRT2RTAggregation = false; 700 pBssHT->bdRT2RTLongSlotTime = false; 701 pBssHT->RT2RT_HT_Mode = (enum rt_ht_capability)0; 702 } 703 704 void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee, 705 struct rtllib_network *pNetwork) 706 { 707 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 708 u8 bIOTAction = 0; 709 710 netdev_vdbg(ieee->dev, "%s()\n", __func__); 711 /* unmark bEnableHT flag here is the same reason why unmarked in 712 * function rtllib_softmac_new_net. WB 2008.09.10 713 */ 714 if (pNetwork->bssht.bdSupportHT) { 715 pHTInfo->bCurrentHTSupport = true; 716 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer; 717 718 if (pNetwork->bssht.bdHTCapLen > 0 && 719 pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf)) 720 memcpy(pHTInfo->PeerHTCapBuf, 721 pNetwork->bssht.bdHTCapBuf, 722 pNetwork->bssht.bdHTCapLen); 723 724 if (pNetwork->bssht.bdHTInfoLen > 0 && 725 pNetwork->bssht.bdHTInfoLen <= 726 sizeof(pHTInfo->PeerHTInfoBuf)) 727 memcpy(pHTInfo->PeerHTInfoBuf, 728 pNetwork->bssht.bdHTInfoBuf, 729 pNetwork->bssht.bdHTInfoLen); 730 731 if (pHTInfo->bRegRT2RTAggregation) { 732 pHTInfo->bCurrentRT2RTAggregation = 733 pNetwork->bssht.bdRT2RTAggregation; 734 pHTInfo->bCurrentRT2RTLongSlotTime = 735 pNetwork->bssht.bdRT2RTLongSlotTime; 736 pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode; 737 } else { 738 pHTInfo->bCurrentRT2RTAggregation = false; 739 pHTInfo->bCurrentRT2RTLongSlotTime = false; 740 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; 741 } 742 743 HTIOTPeerDetermine(ieee); 744 745 pHTInfo->IOTAction = 0; 746 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid); 747 if (bIOTAction) 748 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14; 749 750 bIOTAction = HTIOTActIsDisableMCS15(ieee); 751 if (bIOTAction) 752 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15; 753 754 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee); 755 if (bIOTAction) 756 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS; 757 758 759 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid); 760 if (bIOTAction) 761 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO; 762 763 bIOTAction = HTIOTActIsMgntUseCCK6M(ieee, pNetwork); 764 if (bIOTAction) 765 pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M; 766 bIOTAction = HTIOTActIsCCDFsync(ieee); 767 if (bIOTAction) 768 pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC; 769 } else { 770 pHTInfo->bCurrentHTSupport = false; 771 pHTInfo->bCurrentRT2RTAggregation = false; 772 pHTInfo->bCurrentRT2RTLongSlotTime = false; 773 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; 774 775 pHTInfo->IOTAction = 0; 776 pHTInfo->IOTRaFunc = 0; 777 } 778 } 779 780 void HT_update_self_and_peer_setting(struct rtllib_device *ieee, 781 struct rtllib_network *pNetwork) 782 { 783 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 784 struct ht_info_ele *pPeerHTInfo = 785 (struct ht_info_ele *)pNetwork->bssht.bdHTInfoBuf; 786 787 if (pHTInfo->bCurrentHTSupport) { 788 if (pNetwork->bssht.bdHTInfoLen != 0) 789 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; 790 } 791 } 792 EXPORT_SYMBOL(HT_update_self_and_peer_setting); 793 794 void HTUseDefaultSetting(struct rtllib_device *ieee) 795 { 796 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 797 798 if (pHTInfo->bEnableHT) { 799 pHTInfo->bCurrentHTSupport = true; 800 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK; 801 802 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz; 803 pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz; 804 805 pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz; 806 807 if (ieee->iw_mode == IW_MODE_ADHOC) 808 ieee->current_network.qos_data.active = 809 ieee->current_network.qos_data.supported; 810 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; 811 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 812 813 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; 814 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 815 816 pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity; 817 818 HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet, 819 ieee->dot11HTOperationalRateSet); 820 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, 821 ieee->dot11HTOperationalRateSet, 822 MCS_FILTER_ALL); 823 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; 824 825 } else { 826 pHTInfo->bCurrentHTSupport = false; 827 } 828 } 829 830 u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame) 831 { 832 if (ieee->pHTInfo->bCurrentHTSupport) { 833 if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) { 834 netdev_dbg(ieee->dev, "HT CONTROL FILED EXIST!!\n"); 835 return true; 836 } 837 } 838 return false; 839 } 840 841 static void HTSetConnectBwModeCallback(struct rtllib_device *ieee) 842 { 843 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 844 845 netdev_vdbg(ieee->dev, "%s()\n", __func__); 846 847 if (pHTInfo->bCurBW40MHz) { 848 if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER) 849 ieee->set_chan(ieee->dev, 850 ieee->current_network.channel + 2); 851 else if (pHTInfo->CurSTAExtChnlOffset == 852 HT_EXTCHNL_OFFSET_LOWER) 853 ieee->set_chan(ieee->dev, 854 ieee->current_network.channel - 2); 855 else 856 ieee->set_chan(ieee->dev, 857 ieee->current_network.channel); 858 859 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, 860 pHTInfo->CurSTAExtChnlOffset); 861 } else { 862 ieee->set_chan(ieee->dev, ieee->current_network.channel); 863 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, 864 HT_EXTCHNL_OFFSET_NO_EXT); 865 } 866 867 pHTInfo->bSwBwInProgress = false; 868 } 869 870 void HTSetConnectBwMode(struct rtllib_device *ieee, 871 enum ht_channel_width Bandwidth, 872 enum ht_extchnl_offset Offset) 873 { 874 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 875 876 if (pHTInfo->bRegBW40MHz == false) 877 return; 878 879 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 880 Bandwidth = HT_CHANNEL_WIDTH_20; 881 882 if (pHTInfo->bSwBwInProgress) { 883 pr_info("%s: bSwBwInProgress!!\n", __func__); 884 return; 885 } 886 if (Bandwidth == HT_CHANNEL_WIDTH_20_40) { 887 if (ieee->current_network.channel < 2 && 888 Offset == HT_EXTCHNL_OFFSET_LOWER) 889 Offset = HT_EXTCHNL_OFFSET_NO_EXT; 890 if (Offset == HT_EXTCHNL_OFFSET_UPPER || 891 Offset == HT_EXTCHNL_OFFSET_LOWER) { 892 pHTInfo->bCurBW40MHz = true; 893 pHTInfo->CurSTAExtChnlOffset = Offset; 894 } else { 895 pHTInfo->bCurBW40MHz = false; 896 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; 897 } 898 } else { 899 pHTInfo->bCurBW40MHz = false; 900 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; 901 } 902 903 netdev_dbg(ieee->dev, "%s():pHTInfo->bCurBW40MHz:%x\n", __func__, 904 pHTInfo->bCurBW40MHz); 905 906 pHTInfo->bSwBwInProgress = true; 907 908 HTSetConnectBwModeCallback(ieee); 909 } 910