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 pHTInfo->bRegShortGI20MHz = 1; 74 pHTInfo->bRegShortGI40MHz = 1; 75 76 pHTInfo->bRegBW40MHz = 1; 77 78 if (pHTInfo->bRegBW40MHz) 79 pHTInfo->bRegSuppCCK = 1; 80 else 81 pHTInfo->bRegSuppCCK = true; 82 83 pHTInfo->nAMSDU_MaxSize = 7935UL; 84 pHTInfo->bAMSDU_Support = 0; 85 86 pHTInfo->bAMPDUEnable = 1; 87 pHTInfo->AMPDU_Factor = 2; 88 pHTInfo->MPDU_Density = 0; 89 90 pHTInfo->self_mimo_ps = 3; 91 if (pHTInfo->self_mimo_ps == 2) 92 pHTInfo->self_mimo_ps = 3; 93 ieee->bTxDisableRateFallBack = 0; 94 ieee->bTxUseDriverAssingedRate = 0; 95 96 ieee->bTxEnableFwCalcDur = 1; 97 98 pHTInfo->reg_rt2rt_aggregation = 1; 99 100 pHTInfo->reg_rx_reorder_enable = 1; 101 pHTInfo->rx_reorder_win_size = 64; 102 pHTInfo->rx_reorder_pending_time = 30; 103 } 104 105 static u16 HTMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate) 106 { 107 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 108 109 u8 is40MHz = (pHTInfo->bCurBW40MHz) ? 1 : 0; 110 u8 isShortGI = (pHTInfo->bCurBW40MHz) ? 111 ((pHTInfo->bCurShortGI40MHz) ? 1 : 0) : 112 ((pHTInfo->bCurShortGI20MHz) ? 1 : 0); 113 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)]; 114 } 115 116 u16 TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate) 117 { 118 u16 CCKOFDMRate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 119 0x24, 0x30, 0x48, 0x60, 0x6c}; 120 u8 is40MHz = 0; 121 u8 isShortGI = 0; 122 123 if (nDataRate < 12) 124 return CCKOFDMRate[nDataRate]; 125 if (nDataRate >= 0x10 && nDataRate <= 0x1f) { 126 is40MHz = 0; 127 isShortGI = 0; 128 } else if (nDataRate >= 0x20 && nDataRate <= 0x2f) { 129 is40MHz = 1; 130 isShortGI = 0; 131 } else if (nDataRate >= 0x30 && nDataRate <= 0x3f) { 132 is40MHz = 0; 133 isShortGI = 1; 134 } else if (nDataRate >= 0x40 && nDataRate <= 0x4f) { 135 is40MHz = 1; 136 isShortGI = 1; 137 } 138 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate & 0xf]; 139 } 140 141 bool IsHTHalfNmodeAPs(struct rtllib_device *ieee) 142 { 143 bool retValue = false; 144 struct rtllib_network *net = &ieee->current_network; 145 146 if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) || 147 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) || 148 (memcmp(net->bssid, PCI_RALINK, 3) == 0) || 149 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) || 150 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) || 151 (net->ralink_cap_exist)) 152 retValue = true; 153 else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) || 154 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) || 155 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) || 156 (net->broadcom_cap_exist)) 157 retValue = true; 158 else if (net->bssht.bd_rt2rt_aggregation) 159 retValue = true; 160 else 161 retValue = false; 162 163 return retValue; 164 } 165 166 static void HTIOTPeerDetermine(struct rtllib_device *ieee) 167 { 168 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 169 struct rtllib_network *net = &ieee->current_network; 170 171 if (net->bssht.bd_rt2rt_aggregation) { 172 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK; 173 if (net->bssht.rt2rt_ht_mode & RT_HT_CAP_USE_92SE) 174 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE; 175 if (net->bssht.rt2rt_ht_mode & RT_HT_CAP_USE_SOFTAP) 176 pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP; 177 } else if (net->broadcom_cap_exist) { 178 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; 179 } else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) || 180 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) || 181 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)) { 182 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; 183 } else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) || 184 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) || 185 (memcmp(net->bssid, PCI_RALINK, 3) == 0) || 186 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) || 187 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) || 188 net->ralink_cap_exist) { 189 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK; 190 } else if ((net->atheros_cap_exist) || 191 (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0) || 192 (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0)) { 193 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS; 194 } else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) || 195 net->cisco_cap_exist) { 196 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO; 197 } else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) || 198 net->marvell_cap_exist) { 199 pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL; 200 } else if (net->airgo_cap_exist) { 201 pHTInfo->IOTPeer = HT_IOT_PEER_AIRGO; 202 } else { 203 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; 204 } 205 206 netdev_dbg(ieee->dev, "IOTPEER: %x\n", pHTInfo->IOTPeer); 207 } 208 209 static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr) 210 { 211 return 0; 212 } 213 214 static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee) 215 { 216 return false; 217 } 218 219 static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee) 220 { 221 return false; 222 } 223 224 static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee, 225 u8 *PeerMacAddr) 226 { 227 return false; 228 } 229 230 static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee, 231 struct rtllib_network *network) 232 { 233 u8 retValue = 0; 234 235 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) 236 retValue = 1; 237 238 return retValue; 239 } 240 241 static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee) 242 { 243 u8 retValue = 0; 244 245 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) 246 retValue = 1; 247 return retValue; 248 } 249 250 static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss) 251 { 252 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 253 254 pHTInfo->iot_ra_func &= HT_IOT_RAFUNC_DISABLE_ALL; 255 256 if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss) 257 pHTInfo->iot_ra_func |= HT_IOT_RAFUNC_PEER_1R; 258 259 if (pHTInfo->iot_action & HT_IOT_ACT_AMSDU_ENABLE) 260 pHTInfo->iot_ra_func |= HT_IOT_RAFUNC_TX_AMSDU; 261 } 262 263 void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo) 264 { 265 pHTInfo->iot_action = 0; 266 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; 267 pHTInfo->iot_ra_func = 0; 268 } 269 270 void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap, 271 u8 *len, u8 IsEncrypt, bool bAssoc) 272 { 273 struct rt_hi_throughput *pHT = ieee->pHTInfo; 274 struct ht_capab_ele *pCapELE = NULL; 275 276 if (!posHTCap || !pHT) { 277 netdev_warn(ieee->dev, 278 "%s(): posHTCap and pHTInfo are null\n", __func__); 279 return; 280 } 281 memset(posHTCap, 0, *len); 282 283 if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) { 284 u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; 285 286 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap)); 287 pCapELE = (struct ht_capab_ele *)&(posHTCap[4]); 288 *len = 30 + 2; 289 } else { 290 pCapELE = (struct ht_capab_ele *)posHTCap; 291 *len = 26 + 2; 292 } 293 294 pCapELE->AdvCoding = 0; 295 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 296 pCapELE->ChlWidth = 0; 297 else 298 pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0); 299 300 pCapELE->MimoPwrSave = pHT->self_mimo_ps; 301 pCapELE->GreenField = 0; 302 pCapELE->ShortGI20Mhz = 1; 303 pCapELE->ShortGI40Mhz = 1; 304 305 pCapELE->TxSTBC = 1; 306 pCapELE->RxSTBC = 0; 307 pCapELE->DelayBA = 0; 308 pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0; 309 pCapELE->DssCCk = ((pHT->bRegBW40MHz) ? (pHT->bRegSuppCCK ? 1 : 0) : 0); 310 pCapELE->PSMP = 0; 311 pCapELE->LSigTxopProtect = 0; 312 313 netdev_dbg(ieee->dev, 314 "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", 315 pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk); 316 317 if (IsEncrypt) { 318 pCapELE->MPDUDensity = 7; 319 pCapELE->MaxRxAMPDUFactor = 2; 320 } else { 321 pCapELE->MaxRxAMPDUFactor = 3; 322 pCapELE->MPDUDensity = 0; 323 } 324 325 memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16); 326 memset(&pCapELE->ExtHTCapInfo, 0, 2); 327 memset(pCapELE->TxBFCap, 0, 4); 328 329 pCapELE->ASCap = 0; 330 331 if (bAssoc) { 332 if (pHT->iot_action & HT_IOT_ACT_DISABLE_MCS15) 333 pCapELE->MCS[1] &= 0x7f; 334 335 if (pHT->iot_action & HT_IOT_ACT_DISABLE_MCS14) 336 pCapELE->MCS[1] &= 0xbf; 337 338 if (pHT->iot_action & HT_IOT_ACT_DISABLE_ALL_2SS) 339 pCapELE->MCS[1] &= 0x00; 340 341 if (pHT->iot_action & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI) 342 pCapELE->ShortGI40Mhz = 0; 343 344 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) { 345 pCapELE->ChlWidth = 0; 346 pCapELE->MCS[1] = 0; 347 } 348 } 349 } 350 351 void HTConstructInfoElement(struct rtllib_device *ieee, u8 *posHTInfo, 352 u8 *len, u8 IsEncrypt) 353 { 354 struct rt_hi_throughput *pHT = ieee->pHTInfo; 355 struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo; 356 357 if (!posHTInfo || !pHTInfoEle) { 358 netdev_warn(ieee->dev, 359 "%s(): posHTInfo and pHTInfoEle are null\n", 360 __func__); 361 return; 362 } 363 364 memset(posHTInfo, 0, *len); 365 if ((ieee->iw_mode == IW_MODE_ADHOC) || 366 (ieee->iw_mode == IW_MODE_MASTER)) { 367 pHTInfoEle->ControlChl = ieee->current_network.channel; 368 pHTInfoEle->ExtChlOffset = ((!pHT->bRegBW40MHz) ? 369 HT_EXTCHNL_OFFSET_NO_EXT : 370 (ieee->current_network.channel <= 6) 371 ? HT_EXTCHNL_OFFSET_UPPER : 372 HT_EXTCHNL_OFFSET_LOWER); 373 pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz; 374 pHTInfoEle->RIFS = 0; 375 pHTInfoEle->PSMPAccessOnly = 0; 376 pHTInfoEle->SrvIntGranularity = 0; 377 pHTInfoEle->OptMode = pHT->current_op_mode; 378 pHTInfoEle->NonGFDevPresent = 0; 379 pHTInfoEle->DualBeacon = 0; 380 pHTInfoEle->SecondaryBeacon = 0; 381 pHTInfoEle->LSigTxopProtectFull = 0; 382 pHTInfoEle->PcoActive = 0; 383 pHTInfoEle->PcoPhase = 0; 384 385 memset(pHTInfoEle->BasicMSC, 0, 16); 386 387 *len = 22 + 2; 388 389 } else { 390 *len = 0; 391 } 392 } 393 394 void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg, 395 u8 *len) 396 { 397 if (!posRT2RTAgg) { 398 netdev_warn(ieee->dev, "%s(): posRT2RTAgg is null\n", __func__); 399 return; 400 } 401 memset(posRT2RTAgg, 0, *len); 402 *posRT2RTAgg++ = 0x00; 403 *posRT2RTAgg++ = 0xe0; 404 *posRT2RTAgg++ = 0x4c; 405 *posRT2RTAgg++ = 0x02; 406 *posRT2RTAgg++ = 0x01; 407 408 *posRT2RTAgg = 0x30; 409 410 if (ieee->bSupportRemoteWakeUp) 411 *posRT2RTAgg |= RT_HT_CAP_USE_WOW; 412 413 *len = 6 + 2; 414 } 415 416 static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS) 417 { 418 u8 i; 419 420 if (!pOperateMCS) { 421 netdev_warn(ieee->dev, "%s(): pOperateMCS is null\n", __func__); 422 return false; 423 } 424 425 switch (ieee->mode) { 426 case IEEE_A: 427 case IEEE_B: 428 case IEEE_G: 429 for (i = 0; i <= 15; i++) 430 pOperateMCS[i] = 0; 431 break; 432 case IEEE_N_24G: 433 case IEEE_N_5G: 434 pOperateMCS[0] &= RATE_ADPT_1SS_MASK; 435 pOperateMCS[1] &= RATE_ADPT_2SS_MASK; 436 pOperateMCS[3] &= RATE_ADPT_MCS32_MASK; 437 break; 438 default: 439 break; 440 } 441 442 return true; 443 } 444 445 u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet, 446 u8 *pMCSFilter) 447 { 448 u8 i, j; 449 u8 bitMap; 450 u8 mcsRate = 0; 451 u8 availableMcsRate[16]; 452 453 if (!pMCSRateSet || !pMCSFilter) { 454 netdev_warn(ieee->dev, 455 "%s(): pMCSRateSet and pMCSFilter are null\n", 456 __func__); 457 return false; 458 } 459 for (i = 0; i < 16; i++) 460 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i]; 461 462 for (i = 0; i < 16; i++) { 463 if (availableMcsRate[i] != 0) 464 break; 465 } 466 if (i == 16) 467 return false; 468 469 for (i = 0; i < 16; i++) { 470 if (availableMcsRate[i] != 0) { 471 bitMap = availableMcsRate[i]; 472 for (j = 0; j < 8; j++) { 473 if ((bitMap % 2) != 0) { 474 if (HTMcsToDataRate(ieee, (8 * i + j)) > 475 HTMcsToDataRate(ieee, mcsRate)) 476 mcsRate = 8 * i + j; 477 } 478 bitMap >>= 1; 479 } 480 } 481 } 482 return mcsRate | 0x80; 483 } 484 485 static u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS, 486 u8 *pOperateMCS) 487 { 488 u8 i; 489 490 for (i = 0; i <= 15; i++) 491 pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i] & 492 pSupportMCS[i]; 493 494 HT_PickMCSRate(ieee, pOperateMCS); 495 496 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 497 pOperateMCS[1] = 0; 498 499 for (i = 2; i <= 15; i++) 500 pOperateMCS[i] = 0; 501 502 return true; 503 } 504 505 void HTSetConnectBwMode(struct rtllib_device *ieee, 506 enum ht_channel_width bandwidth, 507 enum ht_extchnl_offset Offset); 508 509 void HTOnAssocRsp(struct rtllib_device *ieee) 510 { 511 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 512 struct ht_capab_ele *pPeerHTCap = NULL; 513 struct ht_info_ele *pPeerHTInfo = NULL; 514 u16 nMaxAMSDUSize = 0; 515 u8 *pMcsFilter = NULL; 516 517 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; 518 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; 519 520 if (!pHTInfo->bCurrentHTSupport) { 521 netdev_warn(ieee->dev, "%s(): HT_DISABLE\n", __func__); 522 return; 523 } 524 netdev_dbg(ieee->dev, "%s(): HT_ENABLE\n", __func__); 525 526 if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap))) 527 pPeerHTCap = (struct ht_capab_ele *)(&pHTInfo->PeerHTCapBuf[4]); 528 else 529 pPeerHTCap = (struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf); 530 531 if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo))) 532 pPeerHTInfo = (struct ht_info_ele *) 533 (&pHTInfo->PeerHTInfoBuf[4]); 534 else 535 pPeerHTInfo = (struct ht_info_ele *)(pHTInfo->PeerHTInfoBuf); 536 537 #ifdef VERBOSE_DEBUG 538 print_hex_dump_bytes("%s: ", __func__, DUMP_PREFIX_NONE, 539 pPeerHTCap, sizeof(struct ht_capab_ele)); 540 #endif 541 HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth), 542 (enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset)); 543 pHTInfo->cur_tx_bw40mhz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ? 544 true : false); 545 546 pHTInfo->bCurShortGI20MHz = ((pHTInfo->bRegShortGI20MHz) ? 547 ((pPeerHTCap->ShortGI20Mhz == 1) ? 548 true : false) : false); 549 pHTInfo->bCurShortGI40MHz = ((pHTInfo->bRegShortGI40MHz) ? 550 ((pPeerHTCap->ShortGI40Mhz == 1) ? 551 true : false) : false); 552 553 pHTInfo->bCurSuppCCK = ((pHTInfo->bRegSuppCCK) ? 554 ((pPeerHTCap->DssCCk == 1) ? true : 555 false) : false); 556 557 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; 558 559 nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935; 560 561 if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize) 562 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize; 563 else 564 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 565 566 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; 567 if (ieee->rtllib_ap_sec_type && 568 (ieee->rtllib_ap_sec_type(ieee) & (SEC_ALG_WEP | SEC_ALG_TKIP))) { 569 if ((pHTInfo->IOTPeer == HT_IOT_PEER_ATHEROS) || 570 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN)) 571 pHTInfo->bCurrentAMPDUEnable = false; 572 } 573 574 if (!pHTInfo->reg_rt2rt_aggregation) { 575 if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor) 576 pHTInfo->CurrentAMPDUFactor = 577 pPeerHTCap->MaxRxAMPDUFactor; 578 else 579 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 580 581 } else { 582 if (ieee->current_network.bssht.bd_rt2rt_aggregation) { 583 if (ieee->pairwise_key_type != KEY_TYPE_NA) 584 pHTInfo->CurrentAMPDUFactor = 585 pPeerHTCap->MaxRxAMPDUFactor; 586 else 587 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K; 588 } else { 589 if (pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K) 590 pHTInfo->CurrentAMPDUFactor = 591 pPeerHTCap->MaxRxAMPDUFactor; 592 else 593 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K; 594 } 595 } 596 if (pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity) 597 pHTInfo->current_mpdu_density = pHTInfo->MPDU_Density; 598 else 599 pHTInfo->current_mpdu_density = pPeerHTCap->MPDUDensity; 600 if (pHTInfo->iot_action & HT_IOT_ACT_TX_USE_AMSDU_8K) { 601 pHTInfo->bCurrentAMPDUEnable = false; 602 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE; 603 } 604 pHTInfo->cur_rx_reorder_enable = pHTInfo->reg_rx_reorder_enable; 605 606 if (pPeerHTCap->MCS[0] == 0) 607 pPeerHTCap->MCS[0] = 0xff; 608 609 HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0)); 610 611 HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet); 612 613 pHTInfo->peer_mimo_ps = pPeerHTCap->MimoPwrSave; 614 if (pHTInfo->peer_mimo_ps == MIMO_PS_STATIC) 615 pMcsFilter = MCS_FILTER_1SS; 616 else 617 pMcsFilter = MCS_FILTER_ALL; 618 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, 619 ieee->dot11HTOperationalRateSet, pMcsFilter); 620 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; 621 622 pHTInfo->current_op_mode = pPeerHTInfo->OptMode; 623 } 624 625 void HTInitializeHTInfo(struct rtllib_device *ieee) 626 { 627 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 628 629 pHTInfo->bCurrentHTSupport = false; 630 631 pHTInfo->bCurBW40MHz = false; 632 pHTInfo->cur_tx_bw40mhz = false; 633 634 pHTInfo->bCurShortGI20MHz = false; 635 pHTInfo->bCurShortGI40MHz = false; 636 pHTInfo->forced_short_gi = false; 637 638 pHTInfo->bCurSuppCCK = true; 639 640 pHTInfo->bCurrent_AMSDU_Support = false; 641 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 642 pHTInfo->current_mpdu_density = pHTInfo->MPDU_Density; 643 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 644 645 memset((void *)(&(pHTInfo->SelfHTCap)), 0, 646 sizeof(pHTInfo->SelfHTCap)); 647 memset((void *)(&(pHTInfo->SelfHTInfo)), 0, 648 sizeof(pHTInfo->SelfHTInfo)); 649 memset((void *)(&(pHTInfo->PeerHTCapBuf)), 0, 650 sizeof(pHTInfo->PeerHTCapBuf)); 651 memset((void *)(&(pHTInfo->PeerHTInfoBuf)), 0, 652 sizeof(pHTInfo->PeerHTInfoBuf)); 653 654 pHTInfo->sw_bw_in_progress = false; 655 656 pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE; 657 658 pHTInfo->current_rt2rt_aggregation = false; 659 pHTInfo->current_rt2rt_long_slot_time = false; 660 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; 661 662 pHTInfo->IOTPeer = 0; 663 pHTInfo->iot_action = 0; 664 pHTInfo->iot_ra_func = 0; 665 666 { 667 u8 *RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]); 668 669 RegHTSuppRateSets[0] = 0xFF; 670 RegHTSuppRateSets[1] = 0xFF; 671 RegHTSuppRateSets[4] = 0x01; 672 } 673 } 674 675 void HTInitializeBssDesc(struct bss_ht *pBssHT) 676 { 677 pBssHT->bd_support_ht = false; 678 memset(pBssHT->bd_ht_cap_buf, 0, sizeof(pBssHT->bd_ht_cap_buf)); 679 pBssHT->bd_ht_cap_len = 0; 680 memset(pBssHT->bd_ht_info_buf, 0, sizeof(pBssHT->bd_ht_info_buf)); 681 pBssHT->bd_ht_info_len = 0; 682 683 pBssHT->bd_ht_spec_ver = HT_SPEC_VER_IEEE; 684 685 pBssHT->bd_rt2rt_aggregation = false; 686 pBssHT->bd_rt2rt_long_slot_time = false; 687 pBssHT->rt2rt_ht_mode = (enum rt_ht_capability)0; 688 } 689 690 void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee, 691 struct rtllib_network *pNetwork) 692 { 693 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 694 u8 bIOTAction = 0; 695 696 /* unmark bEnableHT flag here is the same reason why unmarked in 697 * function rtllib_softmac_new_net. WB 2008.09.10 698 */ 699 if (pNetwork->bssht.bd_support_ht) { 700 pHTInfo->bCurrentHTSupport = true; 701 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bd_ht_spec_ver; 702 703 if (pNetwork->bssht.bd_ht_cap_len > 0 && 704 pNetwork->bssht.bd_ht_cap_len <= sizeof(pHTInfo->PeerHTCapBuf)) 705 memcpy(pHTInfo->PeerHTCapBuf, 706 pNetwork->bssht.bd_ht_cap_buf, 707 pNetwork->bssht.bd_ht_cap_len); 708 709 if (pNetwork->bssht.bd_ht_info_len > 0 && 710 pNetwork->bssht.bd_ht_info_len <= 711 sizeof(pHTInfo->PeerHTInfoBuf)) 712 memcpy(pHTInfo->PeerHTInfoBuf, 713 pNetwork->bssht.bd_ht_info_buf, 714 pNetwork->bssht.bd_ht_info_len); 715 716 if (pHTInfo->reg_rt2rt_aggregation) { 717 pHTInfo->current_rt2rt_aggregation = 718 pNetwork->bssht.bd_rt2rt_aggregation; 719 pHTInfo->current_rt2rt_long_slot_time = 720 pNetwork->bssht.bd_rt2rt_long_slot_time; 721 pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.rt2rt_ht_mode; 722 } else { 723 pHTInfo->current_rt2rt_aggregation = false; 724 pHTInfo->current_rt2rt_long_slot_time = false; 725 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; 726 } 727 728 HTIOTPeerDetermine(ieee); 729 730 pHTInfo->iot_action = 0; 731 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid); 732 if (bIOTAction) 733 pHTInfo->iot_action |= HT_IOT_ACT_DISABLE_MCS14; 734 735 bIOTAction = HTIOTActIsDisableMCS15(ieee); 736 if (bIOTAction) 737 pHTInfo->iot_action |= HT_IOT_ACT_DISABLE_MCS15; 738 739 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee); 740 if (bIOTAction) 741 pHTInfo->iot_action |= HT_IOT_ACT_DISABLE_ALL_2SS; 742 743 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid); 744 if (bIOTAction) 745 pHTInfo->iot_action |= HT_IOT_ACT_DISABLE_EDCA_TURBO; 746 747 bIOTAction = HTIOTActIsMgntUseCCK6M(ieee, pNetwork); 748 if (bIOTAction) 749 pHTInfo->iot_action |= HT_IOT_ACT_MGNT_USE_CCK_6M; 750 bIOTAction = HTIOTActIsCCDFsync(ieee); 751 if (bIOTAction) 752 pHTInfo->iot_action |= HT_IOT_ACT_CDD_FSYNC; 753 } else { 754 pHTInfo->bCurrentHTSupport = false; 755 pHTInfo->current_rt2rt_aggregation = false; 756 pHTInfo->current_rt2rt_long_slot_time = false; 757 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; 758 759 pHTInfo->iot_action = 0; 760 pHTInfo->iot_ra_func = 0; 761 } 762 } 763 764 void HT_update_self_and_peer_setting(struct rtllib_device *ieee, 765 struct rtllib_network *pNetwork) 766 { 767 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 768 struct ht_info_ele *pPeerHTInfo = 769 (struct ht_info_ele *)pNetwork->bssht.bd_ht_info_buf; 770 771 if (pHTInfo->bCurrentHTSupport) { 772 if (pNetwork->bssht.bd_ht_info_len != 0) 773 pHTInfo->current_op_mode = pPeerHTInfo->OptMode; 774 } 775 } 776 EXPORT_SYMBOL(HT_update_self_and_peer_setting); 777 778 void HTUseDefaultSetting(struct rtllib_device *ieee) 779 { 780 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 781 782 if (pHTInfo->bEnableHT) { 783 pHTInfo->bCurrentHTSupport = true; 784 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK; 785 786 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz; 787 pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz; 788 789 pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz; 790 791 if (ieee->iw_mode == IW_MODE_ADHOC) 792 ieee->current_network.qos_data.active = 793 ieee->current_network.qos_data.supported; 794 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; 795 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 796 797 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; 798 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 799 800 pHTInfo->current_mpdu_density = pHTInfo->current_mpdu_density; 801 802 HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet, 803 ieee->dot11HTOperationalRateSet); 804 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, 805 ieee->dot11HTOperationalRateSet, 806 MCS_FILTER_ALL); 807 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; 808 809 } else { 810 pHTInfo->bCurrentHTSupport = false; 811 } 812 } 813 814 u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame) 815 { 816 if (ieee->pHTInfo->bCurrentHTSupport) { 817 if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) { 818 netdev_dbg(ieee->dev, "HT CONTROL FILED EXIST!!\n"); 819 return true; 820 } 821 } 822 return false; 823 } 824 825 static void HTSetConnectBwModeCallback(struct rtllib_device *ieee) 826 { 827 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 828 829 if (pHTInfo->bCurBW40MHz) { 830 if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER) 831 ieee->set_chan(ieee->dev, 832 ieee->current_network.channel + 2); 833 else if (pHTInfo->CurSTAExtChnlOffset == 834 HT_EXTCHNL_OFFSET_LOWER) 835 ieee->set_chan(ieee->dev, 836 ieee->current_network.channel - 2); 837 else 838 ieee->set_chan(ieee->dev, 839 ieee->current_network.channel); 840 841 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, 842 pHTInfo->CurSTAExtChnlOffset); 843 } else { 844 ieee->set_chan(ieee->dev, ieee->current_network.channel); 845 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, 846 HT_EXTCHNL_OFFSET_NO_EXT); 847 } 848 849 pHTInfo->sw_bw_in_progress = false; 850 } 851 852 void HTSetConnectBwMode(struct rtllib_device *ieee, 853 enum ht_channel_width bandwidth, 854 enum ht_extchnl_offset Offset) 855 { 856 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 857 858 if (!pHTInfo->bRegBW40MHz) 859 return; 860 861 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 862 bandwidth = HT_CHANNEL_WIDTH_20; 863 864 if (pHTInfo->sw_bw_in_progress) { 865 pr_info("%s: sw_bw_in_progress!!\n", __func__); 866 return; 867 } 868 if (bandwidth == HT_CHANNEL_WIDTH_20_40) { 869 if (ieee->current_network.channel < 2 && 870 Offset == HT_EXTCHNL_OFFSET_LOWER) 871 Offset = HT_EXTCHNL_OFFSET_NO_EXT; 872 if (Offset == HT_EXTCHNL_OFFSET_UPPER || 873 Offset == HT_EXTCHNL_OFFSET_LOWER) { 874 pHTInfo->bCurBW40MHz = true; 875 pHTInfo->CurSTAExtChnlOffset = Offset; 876 } else { 877 pHTInfo->bCurBW40MHz = false; 878 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; 879 } 880 } else { 881 pHTInfo->bCurBW40MHz = false; 882 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; 883 } 884 885 netdev_dbg(ieee->dev, "%s():pHTInfo->bCurBW40MHz:%x\n", __func__, 886 pHTInfo->bCurBW40MHz); 887 888 pHTInfo->sw_bw_in_progress = true; 889 890 HTSetConnectBwModeCallback(ieee); 891 } 892