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->bRegShortGI20MHz = 1; 75 pHTInfo->bRegShortGI40MHz = 1; 76 77 pHTInfo->bRegBW40MHz = 1; 78 79 if (pHTInfo->bRegBW40MHz) 80 pHTInfo->bRegSuppCCK = 1; 81 else 82 pHTInfo->bRegSuppCCK = true; 83 84 pHTInfo->nAMSDU_MaxSize = 7935UL; 85 pHTInfo->bAMSDU_Support = 0; 86 87 pHTInfo->bAMPDUEnable = 1; 88 pHTInfo->AMPDU_Factor = 2; 89 pHTInfo->MPDU_Density = 0; 90 91 pHTInfo->self_mimo_ps = 3; 92 if (pHTInfo->self_mimo_ps == 2) 93 pHTInfo->self_mimo_ps = 3; 94 ieee->bTxDisableRateFallBack = 0; 95 ieee->bTxUseDriverAssingedRate = 0; 96 97 ieee->bTxEnableFwCalcDur = 1; 98 99 pHTInfo->reg_rt2rt_aggregation = 1; 100 101 pHTInfo->reg_rx_reorder_enable = 1; 102 pHTInfo->rx_reorder_win_size = 64; 103 pHTInfo->rx_reorder_pending_time = 30; 104 } 105 106 static u16 HTMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate) 107 { 108 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 109 110 u8 is40MHz = (pHTInfo->bCurBW40MHz) ? 1 : 0; 111 u8 isShortGI = (pHTInfo->bCurBW40MHz) ? 112 ((pHTInfo->bCurShortGI40MHz) ? 1 : 0) : 113 ((pHTInfo->bCurShortGI20MHz) ? 1 : 0); 114 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)]; 115 } 116 117 u16 TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate) 118 { 119 u16 CCKOFDMRate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 120 0x24, 0x30, 0x48, 0x60, 0x6c}; 121 u8 is40MHz = 0; 122 u8 isShortGI = 0; 123 124 if (nDataRate < 12) 125 return CCKOFDMRate[nDataRate]; 126 if (nDataRate >= 0x10 && nDataRate <= 0x1f) { 127 is40MHz = 0; 128 isShortGI = 0; 129 } else if (nDataRate >= 0x20 && nDataRate <= 0x2f) { 130 is40MHz = 1; 131 isShortGI = 0; 132 } else if (nDataRate >= 0x30 && nDataRate <= 0x3f) { 133 is40MHz = 0; 134 isShortGI = 1; 135 } else if (nDataRate >= 0x40 && nDataRate <= 0x4f) { 136 is40MHz = 1; 137 isShortGI = 1; 138 } 139 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate & 0xf]; 140 } 141 142 bool IsHTHalfNmodeAPs(struct rtllib_device *ieee) 143 { 144 bool retValue = false; 145 struct rtllib_network *net = &ieee->current_network; 146 147 if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) || 148 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) || 149 (memcmp(net->bssid, PCI_RALINK, 3) == 0) || 150 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) || 151 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) || 152 (net->ralink_cap_exist)) 153 retValue = true; 154 else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) || 155 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) || 156 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) || 157 (net->broadcom_cap_exist)) 158 retValue = true; 159 else if (net->bssht.bd_rt2rt_aggregation) 160 retValue = true; 161 else 162 retValue = false; 163 164 return retValue; 165 } 166 167 static void HTIOTPeerDetermine(struct rtllib_device *ieee) 168 { 169 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 170 struct rtllib_network *net = &ieee->current_network; 171 172 if (net->bssht.bd_rt2rt_aggregation) { 173 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK; 174 if (net->bssht.rt2rt_ht_mode & RT_HT_CAP_USE_92SE) 175 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE; 176 if (net->bssht.rt2rt_ht_mode & RT_HT_CAP_USE_SOFTAP) 177 pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP; 178 } else if (net->broadcom_cap_exist) { 179 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; 180 } else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) || 181 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) || 182 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)) { 183 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; 184 } else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) || 185 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) || 186 (memcmp(net->bssid, PCI_RALINK, 3) == 0) || 187 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) || 188 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) || 189 net->ralink_cap_exist) { 190 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK; 191 } else if ((net->atheros_cap_exist) || 192 (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0) || 193 (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0)) { 194 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS; 195 } else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) || 196 net->cisco_cap_exist) { 197 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO; 198 } else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) || 199 net->marvell_cap_exist) { 200 pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL; 201 } else if (net->airgo_cap_exist) { 202 pHTInfo->IOTPeer = HT_IOT_PEER_AIRGO; 203 } else { 204 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; 205 } 206 207 netdev_dbg(ieee->dev, "IOTPEER: %x\n", pHTInfo->IOTPeer); 208 } 209 210 static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr) 211 { 212 return 0; 213 } 214 215 static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee) 216 { 217 return false; 218 } 219 220 static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee) 221 { 222 return false; 223 } 224 225 static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee, 226 u8 *PeerMacAddr) 227 { 228 return false; 229 } 230 231 static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee, 232 struct rtllib_network *network) 233 { 234 u8 retValue = 0; 235 236 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) 237 retValue = 1; 238 239 return retValue; 240 } 241 242 static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee) 243 { 244 u8 retValue = 0; 245 246 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) 247 retValue = 1; 248 return retValue; 249 } 250 251 static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss) 252 { 253 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 254 255 pHTInfo->iot_ra_func &= HT_IOT_RAFUNC_DISABLE_ALL; 256 257 if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss) 258 pHTInfo->iot_ra_func |= HT_IOT_RAFUNC_PEER_1R; 259 260 if (pHTInfo->iot_action & HT_IOT_ACT_AMSDU_ENABLE) 261 pHTInfo->iot_ra_func |= HT_IOT_RAFUNC_TX_AMSDU; 262 } 263 264 void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo) 265 { 266 pHTInfo->iot_action = 0; 267 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; 268 pHTInfo->iot_ra_func = 0; 269 } 270 271 void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap, 272 u8 *len, u8 IsEncrypt, bool bAssoc) 273 { 274 struct rt_hi_throughput *pHT = ieee->pHTInfo; 275 struct ht_capab_ele *pCapELE = NULL; 276 277 if (!posHTCap || !pHT) { 278 netdev_warn(ieee->dev, 279 "%s(): posHTCap and pHTInfo are null\n", __func__); 280 return; 281 } 282 memset(posHTCap, 0, *len); 283 284 if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) { 285 u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; 286 287 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap)); 288 pCapELE = (struct ht_capab_ele *)&posHTCap[4]; 289 *len = 30 + 2; 290 } else { 291 pCapELE = (struct ht_capab_ele *)posHTCap; 292 *len = 26 + 2; 293 } 294 295 pCapELE->AdvCoding = 0; 296 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 297 pCapELE->ChlWidth = 0; 298 else 299 pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0); 300 301 pCapELE->MimoPwrSave = pHT->self_mimo_ps; 302 pCapELE->GreenField = 0; 303 pCapELE->ShortGI20Mhz = 1; 304 pCapELE->ShortGI40Mhz = 1; 305 306 pCapELE->TxSTBC = 1; 307 pCapELE->RxSTBC = 0; 308 pCapELE->DelayBA = 0; 309 pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0; 310 pCapELE->DssCCk = ((pHT->bRegBW40MHz) ? (pHT->bRegSuppCCK ? 1 : 0) : 0); 311 pCapELE->PSMP = 0; 312 pCapELE->LSigTxopProtect = 0; 313 314 netdev_dbg(ieee->dev, 315 "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", 316 pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk); 317 318 if (IsEncrypt) { 319 pCapELE->MPDUDensity = 7; 320 pCapELE->MaxRxAMPDUFactor = 2; 321 } else { 322 pCapELE->MaxRxAMPDUFactor = 3; 323 pCapELE->MPDUDensity = 0; 324 } 325 326 memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16); 327 memset(&pCapELE->ExtHTCapInfo, 0, 2); 328 memset(pCapELE->TxBFCap, 0, 4); 329 330 pCapELE->ASCap = 0; 331 332 if (bAssoc) { 333 if (pHT->iot_action & HT_IOT_ACT_DISABLE_MCS15) 334 pCapELE->MCS[1] &= 0x7f; 335 336 if (pHT->iot_action & HT_IOT_ACT_DISABLE_MCS14) 337 pCapELE->MCS[1] &= 0xbf; 338 339 if (pHT->iot_action & HT_IOT_ACT_DISABLE_ALL_2SS) 340 pCapELE->MCS[1] &= 0x00; 341 342 if (pHT->iot_action & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI) 343 pCapELE->ShortGI40Mhz = 0; 344 345 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) { 346 pCapELE->ChlWidth = 0; 347 pCapELE->MCS[1] = 0; 348 } 349 } 350 } 351 352 void HTConstructInfoElement(struct rtllib_device *ieee, u8 *posHTInfo, 353 u8 *len, u8 IsEncrypt) 354 { 355 struct rt_hi_throughput *pHT = ieee->pHTInfo; 356 struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo; 357 358 if (!posHTInfo || !pHTInfoEle) { 359 netdev_warn(ieee->dev, 360 "%s(): posHTInfo and pHTInfoEle are null\n", 361 __func__); 362 return; 363 } 364 365 memset(posHTInfo, 0, *len); 366 if ((ieee->iw_mode == IW_MODE_ADHOC) || 367 (ieee->iw_mode == IW_MODE_MASTER)) { 368 pHTInfoEle->ControlChl = ieee->current_network.channel; 369 pHTInfoEle->ExtChlOffset = ((!pHT->bRegBW40MHz) ? 370 HT_EXTCHNL_OFFSET_NO_EXT : 371 (ieee->current_network.channel <= 6) 372 ? HT_EXTCHNL_OFFSET_UPPER : 373 HT_EXTCHNL_OFFSET_LOWER); 374 pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz; 375 pHTInfoEle->RIFS = 0; 376 pHTInfoEle->PSMPAccessOnly = 0; 377 pHTInfoEle->SrvIntGranularity = 0; 378 pHTInfoEle->OptMode = pHT->current_op_mode; 379 pHTInfoEle->NonGFDevPresent = 0; 380 pHTInfoEle->DualBeacon = 0; 381 pHTInfoEle->SecondaryBeacon = 0; 382 pHTInfoEle->LSigTxopProtectFull = 0; 383 pHTInfoEle->PcoActive = 0; 384 pHTInfoEle->PcoPhase = 0; 385 386 memset(pHTInfoEle->BasicMSC, 0, 16); 387 388 *len = 22 + 2; 389 390 } else { 391 *len = 0; 392 } 393 } 394 395 void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg, 396 u8 *len) 397 { 398 if (!posRT2RTAgg) { 399 netdev_warn(ieee->dev, "%s(): posRT2RTAgg is null\n", __func__); 400 return; 401 } 402 memset(posRT2RTAgg, 0, *len); 403 *posRT2RTAgg++ = 0x00; 404 *posRT2RTAgg++ = 0xe0; 405 *posRT2RTAgg++ = 0x4c; 406 *posRT2RTAgg++ = 0x02; 407 *posRT2RTAgg++ = 0x01; 408 409 *posRT2RTAgg = 0x30; 410 411 if (ieee->bSupportRemoteWakeUp) 412 *posRT2RTAgg |= RT_HT_CAP_USE_WOW; 413 414 *len = 6 + 2; 415 } 416 417 static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS) 418 { 419 u8 i; 420 421 if (!pOperateMCS) { 422 netdev_warn(ieee->dev, "%s(): pOperateMCS is null\n", __func__); 423 return false; 424 } 425 426 switch (ieee->mode) { 427 case IEEE_A: 428 case IEEE_B: 429 case IEEE_G: 430 for (i = 0; i <= 15; i++) 431 pOperateMCS[i] = 0; 432 break; 433 case IEEE_N_24G: 434 case IEEE_N_5G: 435 pOperateMCS[0] &= RATE_ADPT_1SS_MASK; 436 pOperateMCS[1] &= RATE_ADPT_2SS_MASK; 437 pOperateMCS[3] &= RATE_ADPT_MCS32_MASK; 438 break; 439 default: 440 break; 441 } 442 443 return true; 444 } 445 446 u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet, 447 u8 *pMCSFilter) 448 { 449 u8 i, j; 450 u8 bitMap; 451 u8 mcsRate = 0; 452 u8 availableMcsRate[16]; 453 454 if (!pMCSRateSet || !pMCSFilter) { 455 netdev_warn(ieee->dev, 456 "%s(): pMCSRateSet and pMCSFilter are null\n", 457 __func__); 458 return false; 459 } 460 for (i = 0; i < 16; i++) 461 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i]; 462 463 for (i = 0; i < 16; i++) { 464 if (availableMcsRate[i] != 0) 465 break; 466 } 467 if (i == 16) 468 return false; 469 470 for (i = 0; i < 16; i++) { 471 if (availableMcsRate[i] != 0) { 472 bitMap = availableMcsRate[i]; 473 for (j = 0; j < 8; j++) { 474 if ((bitMap % 2) != 0) { 475 if (HTMcsToDataRate(ieee, (8 * i + j)) > 476 HTMcsToDataRate(ieee, mcsRate)) 477 mcsRate = 8 * i + j; 478 } 479 bitMap >>= 1; 480 } 481 } 482 } 483 return mcsRate | 0x80; 484 } 485 486 static u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS, 487 u8 *pOperateMCS) 488 { 489 u8 i; 490 491 for (i = 0; i <= 15; i++) 492 pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i] & 493 pSupportMCS[i]; 494 495 HT_PickMCSRate(ieee, pOperateMCS); 496 497 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 498 pOperateMCS[1] = 0; 499 500 for (i = 2; i <= 15; i++) 501 pOperateMCS[i] = 0; 502 503 return true; 504 } 505 506 void HTSetConnectBwMode(struct rtllib_device *ieee, 507 enum ht_channel_width bandwidth, 508 enum ht_extchnl_offset Offset); 509 510 void HTOnAssocRsp(struct rtllib_device *ieee) 511 { 512 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 513 struct ht_capab_ele *pPeerHTCap = NULL; 514 struct ht_info_ele *pPeerHTInfo = NULL; 515 u16 nMaxAMSDUSize = 0; 516 u8 *pMcsFilter = NULL; 517 518 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; 519 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; 520 521 if (!pHTInfo->bCurrentHTSupport) { 522 netdev_warn(ieee->dev, "%s(): HT_DISABLE\n", __func__); 523 return; 524 } 525 netdev_dbg(ieee->dev, "%s(): HT_ENABLE\n", __func__); 526 527 if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap))) 528 pPeerHTCap = (struct ht_capab_ele *)(&pHTInfo->PeerHTCapBuf[4]); 529 else 530 pPeerHTCap = (struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf); 531 532 if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo))) 533 pPeerHTInfo = (struct ht_info_ele *) 534 (&pHTInfo->PeerHTInfoBuf[4]); 535 else 536 pPeerHTInfo = (struct ht_info_ele *)(pHTInfo->PeerHTInfoBuf); 537 538 #ifdef VERBOSE_DEBUG 539 print_hex_dump_bytes("%s: ", __func__, DUMP_PREFIX_NONE, 540 pPeerHTCap, sizeof(struct ht_capab_ele)); 541 #endif 542 HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth), 543 (enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset)); 544 pHTInfo->cur_tx_bw40mhz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ? 545 true : false); 546 547 pHTInfo->bCurShortGI20MHz = ((pHTInfo->bRegShortGI20MHz) ? 548 ((pPeerHTCap->ShortGI20Mhz == 1) ? 549 true : false) : false); 550 pHTInfo->bCurShortGI40MHz = ((pHTInfo->bRegShortGI40MHz) ? 551 ((pPeerHTCap->ShortGI40Mhz == 1) ? 552 true : false) : false); 553 554 pHTInfo->bCurSuppCCK = ((pHTInfo->bRegSuppCCK) ? 555 ((pPeerHTCap->DssCCk == 1) ? true : 556 false) : false); 557 558 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; 559 560 nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935; 561 562 if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize) 563 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize; 564 else 565 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 566 567 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; 568 if (ieee->rtllib_ap_sec_type && 569 (ieee->rtllib_ap_sec_type(ieee) & (SEC_ALG_WEP | SEC_ALG_TKIP))) { 570 if ((pHTInfo->IOTPeer == HT_IOT_PEER_ATHEROS) || 571 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN)) 572 pHTInfo->bCurrentAMPDUEnable = false; 573 } 574 575 if (!pHTInfo->reg_rt2rt_aggregation) { 576 if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor) 577 pHTInfo->CurrentAMPDUFactor = 578 pPeerHTCap->MaxRxAMPDUFactor; 579 else 580 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 581 582 } else { 583 if (ieee->current_network.bssht.bd_rt2rt_aggregation) { 584 if (ieee->pairwise_key_type != KEY_TYPE_NA) 585 pHTInfo->CurrentAMPDUFactor = 586 pPeerHTCap->MaxRxAMPDUFactor; 587 else 588 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K; 589 } else { 590 pHTInfo->CurrentAMPDUFactor = min_t(u32, pPeerHTCap->MaxRxAMPDUFactor, 591 HT_AGG_SIZE_32K); 592 } 593 } 594 pHTInfo->current_mpdu_density = max_t(u8, pHTInfo->MPDU_Density, 595 pPeerHTCap->MPDUDensity); 596 if (pHTInfo->iot_action & HT_IOT_ACT_TX_USE_AMSDU_8K) { 597 pHTInfo->bCurrentAMPDUEnable = false; 598 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE; 599 } 600 pHTInfo->cur_rx_reorder_enable = pHTInfo->reg_rx_reorder_enable; 601 602 if (pPeerHTCap->MCS[0] == 0) 603 pPeerHTCap->MCS[0] = 0xff; 604 605 HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0)); 606 607 HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet); 608 609 pHTInfo->peer_mimo_ps = pPeerHTCap->MimoPwrSave; 610 if (pHTInfo->peer_mimo_ps == MIMO_PS_STATIC) 611 pMcsFilter = MCS_FILTER_1SS; 612 else 613 pMcsFilter = MCS_FILTER_ALL; 614 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, 615 ieee->dot11HTOperationalRateSet, 616 pMcsFilter); 617 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; 618 619 pHTInfo->current_op_mode = pPeerHTInfo->OptMode; 620 } 621 622 void HTInitializeHTInfo(struct rtllib_device *ieee) 623 { 624 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 625 626 pHTInfo->bCurrentHTSupport = false; 627 628 pHTInfo->bCurBW40MHz = false; 629 pHTInfo->cur_tx_bw40mhz = false; 630 631 pHTInfo->bCurShortGI20MHz = false; 632 pHTInfo->bCurShortGI40MHz = false; 633 pHTInfo->forced_short_gi = false; 634 635 pHTInfo->bCurSuppCCK = true; 636 637 pHTInfo->bCurrent_AMSDU_Support = false; 638 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 639 pHTInfo->current_mpdu_density = pHTInfo->MPDU_Density; 640 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 641 642 memset((void *)(&pHTInfo->SelfHTCap), 0, 643 sizeof(pHTInfo->SelfHTCap)); 644 memset((void *)(&pHTInfo->SelfHTInfo), 0, 645 sizeof(pHTInfo->SelfHTInfo)); 646 memset((void *)(&pHTInfo->PeerHTCapBuf), 0, 647 sizeof(pHTInfo->PeerHTCapBuf)); 648 memset((void *)(&pHTInfo->PeerHTInfoBuf), 0, 649 sizeof(pHTInfo->PeerHTInfoBuf)); 650 651 pHTInfo->sw_bw_in_progress = false; 652 653 pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE; 654 655 pHTInfo->current_rt2rt_aggregation = false; 656 pHTInfo->current_rt2rt_long_slot_time = false; 657 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; 658 659 pHTInfo->IOTPeer = 0; 660 pHTInfo->iot_action = 0; 661 pHTInfo->iot_ra_func = 0; 662 663 { 664 u8 *RegHTSuppRateSets = &ieee->RegHTSuppRateSet[0]; 665 666 RegHTSuppRateSets[0] = 0xFF; 667 RegHTSuppRateSets[1] = 0xFF; 668 RegHTSuppRateSets[4] = 0x01; 669 } 670 } 671 672 void HTInitializeBssDesc(struct bss_ht *pBssHT) 673 { 674 pBssHT->bd_support_ht = false; 675 memset(pBssHT->bd_ht_cap_buf, 0, sizeof(pBssHT->bd_ht_cap_buf)); 676 pBssHT->bd_ht_cap_len = 0; 677 memset(pBssHT->bd_ht_info_buf, 0, sizeof(pBssHT->bd_ht_info_buf)); 678 pBssHT->bd_ht_info_len = 0; 679 680 pBssHT->bd_ht_spec_ver = HT_SPEC_VER_IEEE; 681 682 pBssHT->bd_rt2rt_aggregation = false; 683 pBssHT->bd_rt2rt_long_slot_time = false; 684 pBssHT->rt2rt_ht_mode = (enum rt_ht_capability)0; 685 } 686 687 void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee, 688 struct rtllib_network *pNetwork) 689 { 690 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 691 u8 bIOTAction = 0; 692 693 /* unmark bEnableHT flag here is the same reason why unmarked in 694 * function rtllib_softmac_new_net. WB 2008.09.10 695 */ 696 if (pNetwork->bssht.bd_support_ht) { 697 pHTInfo->bCurrentHTSupport = true; 698 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bd_ht_spec_ver; 699 700 if (pNetwork->bssht.bd_ht_cap_len > 0 && 701 pNetwork->bssht.bd_ht_cap_len <= sizeof(pHTInfo->PeerHTCapBuf)) 702 memcpy(pHTInfo->PeerHTCapBuf, 703 pNetwork->bssht.bd_ht_cap_buf, 704 pNetwork->bssht.bd_ht_cap_len); 705 706 if (pNetwork->bssht.bd_ht_info_len > 0 && 707 pNetwork->bssht.bd_ht_info_len <= 708 sizeof(pHTInfo->PeerHTInfoBuf)) 709 memcpy(pHTInfo->PeerHTInfoBuf, 710 pNetwork->bssht.bd_ht_info_buf, 711 pNetwork->bssht.bd_ht_info_len); 712 713 if (pHTInfo->reg_rt2rt_aggregation) { 714 pHTInfo->current_rt2rt_aggregation = 715 pNetwork->bssht.bd_rt2rt_aggregation; 716 pHTInfo->current_rt2rt_long_slot_time = 717 pNetwork->bssht.bd_rt2rt_long_slot_time; 718 pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.rt2rt_ht_mode; 719 } else { 720 pHTInfo->current_rt2rt_aggregation = false; 721 pHTInfo->current_rt2rt_long_slot_time = false; 722 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; 723 } 724 725 HTIOTPeerDetermine(ieee); 726 727 pHTInfo->iot_action = 0; 728 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid); 729 if (bIOTAction) 730 pHTInfo->iot_action |= HT_IOT_ACT_DISABLE_MCS14; 731 732 bIOTAction = HTIOTActIsDisableMCS15(ieee); 733 if (bIOTAction) 734 pHTInfo->iot_action |= HT_IOT_ACT_DISABLE_MCS15; 735 736 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee); 737 if (bIOTAction) 738 pHTInfo->iot_action |= HT_IOT_ACT_DISABLE_ALL_2SS; 739 740 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid); 741 if (bIOTAction) 742 pHTInfo->iot_action |= HT_IOT_ACT_DISABLE_EDCA_TURBO; 743 744 bIOTAction = HTIOTActIsMgntUseCCK6M(ieee, pNetwork); 745 if (bIOTAction) 746 pHTInfo->iot_action |= HT_IOT_ACT_MGNT_USE_CCK_6M; 747 bIOTAction = HTIOTActIsCCDFsync(ieee); 748 if (bIOTAction) 749 pHTInfo->iot_action |= HT_IOT_ACT_CDD_FSYNC; 750 } else { 751 pHTInfo->bCurrentHTSupport = false; 752 pHTInfo->current_rt2rt_aggregation = false; 753 pHTInfo->current_rt2rt_long_slot_time = false; 754 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; 755 756 pHTInfo->iot_action = 0; 757 pHTInfo->iot_ra_func = 0; 758 } 759 } 760 761 void HT_update_self_and_peer_setting(struct rtllib_device *ieee, 762 struct rtllib_network *pNetwork) 763 { 764 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 765 struct ht_info_ele *pPeerHTInfo = 766 (struct ht_info_ele *)pNetwork->bssht.bd_ht_info_buf; 767 768 if (pHTInfo->bCurrentHTSupport) { 769 if (pNetwork->bssht.bd_ht_info_len != 0) 770 pHTInfo->current_op_mode = pPeerHTInfo->OptMode; 771 } 772 } 773 EXPORT_SYMBOL(HT_update_self_and_peer_setting); 774 775 void HTUseDefaultSetting(struct rtllib_device *ieee) 776 { 777 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 778 779 if (pHTInfo->bEnableHT) { 780 pHTInfo->bCurrentHTSupport = true; 781 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK; 782 783 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz; 784 pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz; 785 786 pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz; 787 788 if (ieee->iw_mode == IW_MODE_ADHOC) 789 ieee->current_network.qos_data.active = 790 ieee->current_network.qos_data.supported; 791 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; 792 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 793 794 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; 795 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 796 797 pHTInfo->current_mpdu_density = pHTInfo->current_mpdu_density; 798 799 HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet, 800 ieee->dot11HTOperationalRateSet); 801 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, 802 ieee->dot11HTOperationalRateSet, 803 MCS_FILTER_ALL); 804 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; 805 806 } else { 807 pHTInfo->bCurrentHTSupport = false; 808 } 809 } 810 811 u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame) 812 { 813 if (ieee->pHTInfo->bCurrentHTSupport) { 814 if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) { 815 netdev_dbg(ieee->dev, "HT CONTROL FILED EXIST!!\n"); 816 return true; 817 } 818 } 819 return false; 820 } 821 822 static void HTSetConnectBwModeCallback(struct rtllib_device *ieee) 823 { 824 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 825 826 if (pHTInfo->bCurBW40MHz) { 827 if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER) 828 ieee->set_chan(ieee->dev, 829 ieee->current_network.channel + 2); 830 else if (pHTInfo->CurSTAExtChnlOffset == 831 HT_EXTCHNL_OFFSET_LOWER) 832 ieee->set_chan(ieee->dev, 833 ieee->current_network.channel - 2); 834 else 835 ieee->set_chan(ieee->dev, 836 ieee->current_network.channel); 837 838 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, 839 pHTInfo->CurSTAExtChnlOffset); 840 } else { 841 ieee->set_chan(ieee->dev, ieee->current_network.channel); 842 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, 843 HT_EXTCHNL_OFFSET_NO_EXT); 844 } 845 846 pHTInfo->sw_bw_in_progress = false; 847 } 848 849 void HTSetConnectBwMode(struct rtllib_device *ieee, 850 enum ht_channel_width bandwidth, 851 enum ht_extchnl_offset Offset) 852 { 853 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 854 855 if (!pHTInfo->bRegBW40MHz) 856 return; 857 858 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 859 bandwidth = HT_CHANNEL_WIDTH_20; 860 861 if (pHTInfo->sw_bw_in_progress) { 862 pr_info("%s: sw_bw_in_progress!!\n", __func__); 863 return; 864 } 865 if (bandwidth == HT_CHANNEL_WIDTH_20_40) { 866 if (ieee->current_network.channel < 2 && 867 Offset == HT_EXTCHNL_OFFSET_LOWER) 868 Offset = HT_EXTCHNL_OFFSET_NO_EXT; 869 if (Offset == HT_EXTCHNL_OFFSET_UPPER || 870 Offset == HT_EXTCHNL_OFFSET_LOWER) { 871 pHTInfo->bCurBW40MHz = true; 872 pHTInfo->CurSTAExtChnlOffset = Offset; 873 } else { 874 pHTInfo->bCurBW40MHz = false; 875 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; 876 } 877 } else { 878 pHTInfo->bCurBW40MHz = false; 879 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; 880 } 881 882 netdev_dbg(ieee->dev, "%s():pHTInfo->bCurBW40MHz:%x\n", __func__, 883 pHTInfo->bCurBW40MHz); 884 885 pHTInfo->sw_bw_in_progress = true; 886 887 HTSetConnectBwModeCallback(ieee); 888 } 889