1 /****************************************************************************** 2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. 3 * 4 * This program is distributed in the hope that it will be useful, but WITHOUT 5 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 6 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 7 * more details. 8 * 9 * The full GNU General Public License is included in this distribution in the 10 * file called LICENSE. 11 * 12 * Contact Information: 13 * wlanfae <wlanfae@realtek.com> 14 ******************************************************************************/ 15 #include "rtllib.h" 16 #include "rtl819x_HT.h" 17 u8 MCS_FILTER_ALL[16] = { 18 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 19 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 20 }; 21 22 u8 MCS_FILTER_1SS[16] = { 23 0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 24 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} 25 ; 26 27 u16 MCS_DATA_RATE[2][2][77] = { 28 {{13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78, 104, 156, 208, 234, 29 260, 39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416, 30 468, 520, 0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182, 31 182, 208, 156, 195, 195, 234, 273, 273, 312, 130, 156, 181, 156, 32 181, 208, 234, 208, 234, 260, 260, 286, 195, 234, 273, 234, 273, 33 312, 351, 312, 351, 390, 390, 429}, 34 {14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289, 35 43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520, 36 578, 0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231, 37 173, 217, 217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260, 38 231, 260, 289, 289, 318, 217, 260, 303, 260, 303, 347, 390, 347, 390, 39 433, 433, 477} }, 40 {{27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486, 41 540, 81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648, 42 864, 972, 1080, 12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324, 43 378, 378, 432, 324, 405, 405, 486, 567, 567, 648, 270, 324, 378, 324, 44 378, 432, 486, 432, 486, 540, 540, 594, 405, 486, 567, 486, 567, 648, 45 729, 648, 729, 810, 810, 891}, 46 {30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540, 47 600, 90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720, 48 960, 1080, 1200, 13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360, 49 420, 420, 480, 360, 450, 450, 540, 630, 630, 720, 300, 360, 420, 360, 50 420, 480, 540, 480, 540, 600, 600, 660, 450, 540, 630, 540, 630, 720, 51 810, 720, 810, 900, 900, 990} } 52 }; 53 54 static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf}; 55 56 static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70}; 57 58 static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e}; 59 60 static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f}; 61 62 static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf}; 63 64 static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc}; 65 66 static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e}; 67 68 static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02}; 69 70 static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0}; 71 72 static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91}; 73 74 static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94}; 75 76 static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4}; 77 78 void HTUpdateDefaultSetting(struct rtllib_device *ieee) 79 { 80 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 81 82 pHTInfo->bAcceptAddbaReq = 1; 83 84 pHTInfo->bRegShortGI20MHz = 1; 85 pHTInfo->bRegShortGI40MHz = 1; 86 87 pHTInfo->bRegBW40MHz = 1; 88 89 if (pHTInfo->bRegBW40MHz) 90 pHTInfo->bRegSuppCCK = 1; 91 else 92 pHTInfo->bRegSuppCCK = true; 93 94 pHTInfo->nAMSDU_MaxSize = 7935UL; 95 pHTInfo->bAMSDU_Support = 0; 96 97 pHTInfo->bAMPDUEnable = 1; 98 pHTInfo->AMPDU_Factor = 2; 99 pHTInfo->MPDU_Density = 0; 100 101 pHTInfo->SelfMimoPs = 3; 102 if (pHTInfo->SelfMimoPs == 2) 103 pHTInfo->SelfMimoPs = 3; 104 ieee->bTxDisableRateFallBack = 0; 105 ieee->bTxUseDriverAssingedRate = 0; 106 107 ieee->bTxEnableFwCalcDur = 1; 108 109 pHTInfo->bRegRT2RTAggregation = 1; 110 111 pHTInfo->bRegRxReorderEnable = 1; 112 pHTInfo->RxReorderWinSize = 64; 113 pHTInfo->RxReorderPendingTime = 30; 114 } 115 116 static u16 HTMcsToDataRate(struct rtllib_device *ieee, u8 nMcsRate) 117 { 118 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 119 120 u8 is40MHz = (pHTInfo->bCurBW40MHz) ? 1 : 0; 121 u8 isShortGI = (pHTInfo->bCurBW40MHz) ? 122 ((pHTInfo->bCurShortGI40MHz) ? 1 : 0) : 123 ((pHTInfo->bCurShortGI20MHz) ? 1 : 0); 124 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)]; 125 } 126 127 u16 TxCountToDataRate(struct rtllib_device *ieee, u8 nDataRate) 128 { 129 u16 CCKOFDMRate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 130 0x24, 0x30, 0x48, 0x60, 0x6c}; 131 u8 is40MHz = 0; 132 u8 isShortGI = 0; 133 134 if (nDataRate < 12) 135 return CCKOFDMRate[nDataRate]; 136 if (nDataRate >= 0x10 && nDataRate <= 0x1f) { 137 is40MHz = 0; 138 isShortGI = 0; 139 } else if (nDataRate >= 0x20 && nDataRate <= 0x2f) { 140 is40MHz = 1; 141 isShortGI = 0; 142 } else if (nDataRate >= 0x30 && nDataRate <= 0x3f) { 143 is40MHz = 0; 144 isShortGI = 1; 145 } else if (nDataRate >= 0x40 && nDataRate <= 0x4f) { 146 is40MHz = 1; 147 isShortGI = 1; 148 } 149 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf]; 150 } 151 152 bool IsHTHalfNmodeAPs(struct rtllib_device *ieee) 153 { 154 bool retValue = false; 155 struct rtllib_network *net = &ieee->current_network; 156 157 if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) || 158 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) || 159 (memcmp(net->bssid, PCI_RALINK, 3) == 0) || 160 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) || 161 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) || 162 (net->ralink_cap_exist)) 163 retValue = true; 164 else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) || 165 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) || 166 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) || 167 (net->broadcom_cap_exist)) 168 retValue = true; 169 else if (net->bssht.bdRT2RTAggregation) 170 retValue = true; 171 else 172 retValue = false; 173 174 return retValue; 175 } 176 177 static void HTIOTPeerDetermine(struct rtllib_device *ieee) 178 { 179 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 180 struct rtllib_network *net = &ieee->current_network; 181 182 if (net->bssht.bdRT2RTAggregation) { 183 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK; 184 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE) 185 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE; 186 if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP) 187 pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP; 188 } else if (net->broadcom_cap_exist) 189 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; 190 else if (!memcmp(net->bssid, UNKNOWN_BORADCOM, 3) || 191 !memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) || 192 !memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)) 193 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; 194 else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) || 195 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) || 196 (memcmp(net->bssid, PCI_RALINK, 3) == 0) || 197 (memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) || 198 (memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) || 199 net->ralink_cap_exist) 200 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK; 201 else if ((net->atheros_cap_exist) || 202 (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0) || 203 (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0)) 204 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS; 205 else if ((memcmp(net->bssid, CISCO_BROADCOM, 3) == 0) || 206 net->cisco_cap_exist) 207 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO; 208 else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) || 209 net->marvell_cap_exist) 210 pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL; 211 else if (net->airgo_cap_exist) 212 pHTInfo->IOTPeer = HT_IOT_PEER_AIRGO; 213 else 214 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; 215 216 netdev_dbg(ieee->dev, "IOTPEER: %x\n", pHTInfo->IOTPeer); 217 } 218 219 static u8 HTIOTActIsDisableMCS14(struct rtllib_device *ieee, u8 *PeerMacAddr) 220 { 221 return 0; 222 } 223 224 225 static bool HTIOTActIsDisableMCS15(struct rtllib_device *ieee) 226 { 227 return false; 228 } 229 230 static bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device *ieee) 231 { 232 return false; 233 } 234 235 static u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device *ieee, 236 u8 *PeerMacAddr) 237 { 238 return false; 239 } 240 241 static u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device *ieee, 242 struct rtllib_network *network) 243 { 244 u8 retValue = 0; 245 246 247 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) 248 retValue = 1; 249 250 return retValue; 251 } 252 253 static u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee) 254 { 255 u8 retValue = 0; 256 257 if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) 258 retValue = 1; 259 return retValue; 260 } 261 262 static void HTIOTActDetermineRaFunc(struct rtllib_device *ieee, bool bPeerRx2ss) 263 { 264 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 265 266 pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL; 267 268 if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss) 269 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R; 270 271 if (pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE) 272 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU; 273 274 } 275 276 void HTResetIOTSetting(struct rt_hi_throughput *pHTInfo) 277 { 278 pHTInfo->IOTAction = 0; 279 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; 280 pHTInfo->IOTRaFunc = 0; 281 } 282 283 void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap, 284 u8 *len, u8 IsEncrypt, bool bAssoc) 285 { 286 struct rt_hi_throughput *pHT = ieee->pHTInfo; 287 struct ht_capab_ele *pCapELE = NULL; 288 289 if ((posHTCap == NULL) || (pHT == NULL)) { 290 netdev_warn(ieee->dev, 291 "%s(): posHTCap and pHTInfo are null\n", __func__); 292 return; 293 } 294 memset(posHTCap, 0, *len); 295 296 if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC)) { 297 u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; 298 299 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap)); 300 pCapELE = (struct ht_capab_ele *)&(posHTCap[4]); 301 *len = 30 + 2; 302 } else { 303 pCapELE = (struct ht_capab_ele *)posHTCap; 304 *len = 26 + 2; 305 } 306 307 pCapELE->AdvCoding = 0; 308 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 309 pCapELE->ChlWidth = 0; 310 else 311 pCapELE->ChlWidth = (pHT->bRegBW40MHz ? 1 : 0); 312 313 pCapELE->MimoPwrSave = pHT->SelfMimoPs; 314 pCapELE->GreenField = 0; 315 pCapELE->ShortGI20Mhz = 1; 316 pCapELE->ShortGI40Mhz = 1; 317 318 pCapELE->TxSTBC = 1; 319 pCapELE->RxSTBC = 0; 320 pCapELE->DelayBA = 0; 321 pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0; 322 pCapELE->DssCCk = ((pHT->bRegBW40MHz) ? (pHT->bRegSuppCCK ? 1 : 0) : 0); 323 pCapELE->PSMP = 0; 324 pCapELE->LSigTxopProtect = 0; 325 326 327 netdev_dbg(ieee->dev, 328 "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", 329 pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk); 330 331 if (IsEncrypt) { 332 pCapELE->MPDUDensity = 7; 333 pCapELE->MaxRxAMPDUFactor = 2; 334 } else { 335 pCapELE->MaxRxAMPDUFactor = 3; 336 pCapELE->MPDUDensity = 0; 337 } 338 339 memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16); 340 memset(&pCapELE->ExtHTCapInfo, 0, 2); 341 memset(pCapELE->TxBFCap, 0, 4); 342 343 pCapELE->ASCap = 0; 344 345 if (bAssoc) { 346 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15) 347 pCapELE->MCS[1] &= 0x7f; 348 349 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14) 350 pCapELE->MCS[1] &= 0xbf; 351 352 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS) 353 pCapELE->MCS[1] &= 0x00; 354 355 if (pHT->IOTAction & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI) 356 pCapELE->ShortGI40Mhz = 0; 357 358 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) { 359 pCapELE->ChlWidth = 0; 360 pCapELE->MCS[1] = 0; 361 } 362 } 363 } 364 365 void HTConstructInfoElement(struct rtllib_device *ieee, u8 *posHTInfo, 366 u8 *len, u8 IsEncrypt) 367 { 368 struct rt_hi_throughput *pHT = ieee->pHTInfo; 369 struct ht_info_ele *pHTInfoEle = (struct ht_info_ele *)posHTInfo; 370 371 if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) { 372 netdev_warn(ieee->dev, 373 "%s(): posHTInfo and pHTInfoEle are null\n", 374 __func__); 375 return; 376 } 377 378 memset(posHTInfo, 0, *len); 379 if ((ieee->iw_mode == IW_MODE_ADHOC) || 380 (ieee->iw_mode == IW_MODE_MASTER)) { 381 pHTInfoEle->ControlChl = ieee->current_network.channel; 382 pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false) ? 383 HT_EXTCHNL_OFFSET_NO_EXT : 384 (ieee->current_network.channel <= 6) 385 ? HT_EXTCHNL_OFFSET_UPPER : 386 HT_EXTCHNL_OFFSET_LOWER); 387 pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz; 388 pHTInfoEle->RIFS = 0; 389 pHTInfoEle->PSMPAccessOnly = 0; 390 pHTInfoEle->SrvIntGranularity = 0; 391 pHTInfoEle->OptMode = pHT->CurrentOpMode; 392 pHTInfoEle->NonGFDevPresent = 0; 393 pHTInfoEle->DualBeacon = 0; 394 pHTInfoEle->SecondaryBeacon = 0; 395 pHTInfoEle->LSigTxopProtectFull = 0; 396 pHTInfoEle->PcoActive = 0; 397 pHTInfoEle->PcoPhase = 0; 398 399 memset(pHTInfoEle->BasicMSC, 0, 16); 400 401 402 *len = 22 + 2; 403 404 } else { 405 *len = 0; 406 } 407 } 408 409 void HTConstructRT2RTAggElement(struct rtllib_device *ieee, u8 *posRT2RTAgg, 410 u8 *len) 411 { 412 if (posRT2RTAgg == NULL) { 413 netdev_warn(ieee->dev, "%s(): posRT2RTAgg is null\n", __func__); 414 return; 415 } 416 memset(posRT2RTAgg, 0, *len); 417 *posRT2RTAgg++ = 0x00; 418 *posRT2RTAgg++ = 0xe0; 419 *posRT2RTAgg++ = 0x4c; 420 *posRT2RTAgg++ = 0x02; 421 *posRT2RTAgg++ = 0x01; 422 423 *posRT2RTAgg = 0x30; 424 425 if (ieee->bSupportRemoteWakeUp) 426 *posRT2RTAgg |= RT_HT_CAP_USE_WOW; 427 428 *len = 6 + 2; 429 } 430 431 static u8 HT_PickMCSRate(struct rtllib_device *ieee, u8 *pOperateMCS) 432 { 433 u8 i; 434 435 if (pOperateMCS == NULL) { 436 netdev_warn(ieee->dev, "%s(): pOperateMCS is null\n", __func__); 437 return false; 438 } 439 440 switch (ieee->mode) { 441 case IEEE_A: 442 case IEEE_B: 443 case IEEE_G: 444 for (i = 0; i <= 15; i++) 445 pOperateMCS[i] = 0; 446 break; 447 case IEEE_N_24G: 448 case IEEE_N_5G: 449 pOperateMCS[0] &= RATE_ADPT_1SS_MASK; 450 pOperateMCS[1] &= RATE_ADPT_2SS_MASK; 451 pOperateMCS[3] &= RATE_ADPT_MCS32_MASK; 452 break; 453 default: 454 break; 455 456 } 457 458 return true; 459 } 460 461 u8 HTGetHighestMCSRate(struct rtllib_device *ieee, u8 *pMCSRateSet, 462 u8 *pMCSFilter) 463 { 464 u8 i, j; 465 u8 bitMap; 466 u8 mcsRate = 0; 467 u8 availableMcsRate[16]; 468 469 if (pMCSRateSet == NULL || pMCSFilter == NULL) { 470 netdev_warn(ieee->dev, 471 "%s(): pMCSRateSet and pMCSFilter are null\n", 472 __func__); 473 return false; 474 } 475 for (i = 0; i < 16; i++) 476 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i]; 477 478 for (i = 0; i < 16; i++) { 479 if (availableMcsRate[i] != 0) 480 break; 481 } 482 if (i == 16) 483 return false; 484 485 for (i = 0; i < 16; i++) { 486 if (availableMcsRate[i] != 0) { 487 bitMap = availableMcsRate[i]; 488 for (j = 0; j < 8; j++) { 489 if ((bitMap%2) != 0) { 490 if (HTMcsToDataRate(ieee, (8*i+j)) > 491 HTMcsToDataRate(ieee, mcsRate)) 492 mcsRate = (8*i+j); 493 } 494 bitMap >>= 1; 495 } 496 } 497 } 498 return mcsRate | 0x80; 499 } 500 501 static u8 HTFilterMCSRate(struct rtllib_device *ieee, u8 *pSupportMCS, 502 u8 *pOperateMCS) 503 { 504 505 u8 i; 506 507 for (i = 0; i <= 15; i++) 508 pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i] & 509 pSupportMCS[i]; 510 511 HT_PickMCSRate(ieee, pOperateMCS); 512 513 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 514 pOperateMCS[1] = 0; 515 516 for (i = 2; i <= 15; i++) 517 pOperateMCS[i] = 0; 518 519 return true; 520 } 521 522 void HTSetConnectBwMode(struct rtllib_device *ieee, 523 enum ht_channel_width Bandwidth, 524 enum ht_extchnl_offset Offset); 525 526 void HTOnAssocRsp(struct rtllib_device *ieee) 527 { 528 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 529 struct ht_capab_ele *pPeerHTCap = NULL; 530 struct ht_info_ele *pPeerHTInfo = NULL; 531 u16 nMaxAMSDUSize = 0; 532 u8 *pMcsFilter = NULL; 533 534 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; 535 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; 536 537 if (pHTInfo->bCurrentHTSupport == false) { 538 netdev_warn(ieee->dev, "%s(): HT_DISABLE\n", __func__); 539 return; 540 } 541 netdev_dbg(ieee->dev, "%s(): HT_ENABLE\n", __func__); 542 543 if (!memcmp(pHTInfo->PeerHTCapBuf, EWC11NHTCap, sizeof(EWC11NHTCap))) 544 pPeerHTCap = (struct ht_capab_ele *)(&pHTInfo->PeerHTCapBuf[4]); 545 else 546 pPeerHTCap = (struct ht_capab_ele *)(pHTInfo->PeerHTCapBuf); 547 548 if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo))) 549 pPeerHTInfo = (struct ht_info_ele *) 550 (&pHTInfo->PeerHTInfoBuf[4]); 551 else 552 pPeerHTInfo = (struct ht_info_ele *)(pHTInfo->PeerHTInfoBuf); 553 554 555 #ifdef VERBOSE_DEBUG 556 print_hex_dump_bytes("HTOnAssocRsp(): ", DUMP_PREFIX_NONE, 557 pPeerHTCap, sizeof(struct ht_capab_ele)); 558 #endif 559 HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth), 560 (enum ht_extchnl_offset)(pPeerHTInfo->ExtChlOffset)); 561 pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1) ? 562 true : false); 563 564 pHTInfo->bCurShortGI20MHz = ((pHTInfo->bRegShortGI20MHz) ? 565 ((pPeerHTCap->ShortGI20Mhz == 1) ? 566 true : false) : false); 567 pHTInfo->bCurShortGI40MHz = ((pHTInfo->bRegShortGI40MHz) ? 568 ((pPeerHTCap->ShortGI40Mhz == 1) ? 569 true : false) : false); 570 571 pHTInfo->bCurSuppCCK = ((pHTInfo->bRegSuppCCK) ? 572 ((pPeerHTCap->DssCCk == 1) ? true : 573 false) : false); 574 575 576 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; 577 578 nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize == 0) ? 3839 : 7935; 579 580 if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize) 581 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize; 582 else 583 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 584 585 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; 586 if (ieee->rtllib_ap_sec_type && 587 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))) { 588 if ((pHTInfo->IOTPeer == HT_IOT_PEER_ATHEROS) || 589 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN)) 590 pHTInfo->bCurrentAMPDUEnable = false; 591 } 592 593 if (!pHTInfo->bRegRT2RTAggregation) { 594 if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor) 595 pHTInfo->CurrentAMPDUFactor = 596 pPeerHTCap->MaxRxAMPDUFactor; 597 else 598 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 599 600 } else { 601 if (ieee->current_network.bssht.bdRT2RTAggregation) { 602 if (ieee->pairwise_key_type != KEY_TYPE_NA) 603 pHTInfo->CurrentAMPDUFactor = 604 pPeerHTCap->MaxRxAMPDUFactor; 605 else 606 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K; 607 } else { 608 if (pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K) 609 pHTInfo->CurrentAMPDUFactor = 610 pPeerHTCap->MaxRxAMPDUFactor; 611 else 612 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K; 613 } 614 } 615 if (pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity) 616 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; 617 else 618 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity; 619 if (pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K) { 620 pHTInfo->bCurrentAMPDUEnable = false; 621 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE; 622 pHTInfo->ForcedAMSDUMaxSize = 7935; 623 } 624 pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable; 625 626 if (pPeerHTCap->MCS[0] == 0) 627 pPeerHTCap->MCS[0] = 0xff; 628 629 HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1]) != 0)); 630 631 HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet); 632 633 pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave; 634 if (pHTInfo->PeerMimoPs == MIMO_PS_STATIC) 635 pMcsFilter = MCS_FILTER_1SS; 636 else 637 pMcsFilter = MCS_FILTER_ALL; 638 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, 639 ieee->dot11HTOperationalRateSet, pMcsFilter); 640 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; 641 642 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; 643 } 644 645 void HTInitializeHTInfo(struct rtllib_device *ieee) 646 { 647 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 648 649 netdev_vdbg(ieee->dev, "%s()\n", __func__); 650 pHTInfo->bCurrentHTSupport = false; 651 652 pHTInfo->bCurBW40MHz = false; 653 pHTInfo->bCurTxBW40MHz = false; 654 655 pHTInfo->bCurShortGI20MHz = false; 656 pHTInfo->bCurShortGI40MHz = false; 657 pHTInfo->bForcedShortGI = false; 658 659 pHTInfo->bCurSuppCCK = true; 660 661 pHTInfo->bCurrent_AMSDU_Support = false; 662 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 663 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; 664 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 665 666 memset((void *)(&(pHTInfo->SelfHTCap)), 0, 667 sizeof(pHTInfo->SelfHTCap)); 668 memset((void *)(&(pHTInfo->SelfHTInfo)), 0, 669 sizeof(pHTInfo->SelfHTInfo)); 670 memset((void *)(&(pHTInfo->PeerHTCapBuf)), 0, 671 sizeof(pHTInfo->PeerHTCapBuf)); 672 memset((void *)(&(pHTInfo->PeerHTInfoBuf)), 0, 673 sizeof(pHTInfo->PeerHTInfoBuf)); 674 675 pHTInfo->bSwBwInProgress = false; 676 677 pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE; 678 679 pHTInfo->bCurrentRT2RTAggregation = false; 680 pHTInfo->bCurrentRT2RTLongSlotTime = false; 681 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; 682 683 pHTInfo->IOTPeer = 0; 684 pHTInfo->IOTAction = 0; 685 pHTInfo->IOTRaFunc = 0; 686 687 { 688 u8 *RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]); 689 690 RegHTSuppRateSets[0] = 0xFF; 691 RegHTSuppRateSets[1] = 0xFF; 692 RegHTSuppRateSets[4] = 0x01; 693 } 694 } 695 696 void HTInitializeBssDesc(struct bss_ht *pBssHT) 697 { 698 699 pBssHT->bdSupportHT = false; 700 memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf)); 701 pBssHT->bdHTCapLen = 0; 702 memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf)); 703 pBssHT->bdHTInfoLen = 0; 704 705 pBssHT->bdHTSpecVer = HT_SPEC_VER_IEEE; 706 707 pBssHT->bdRT2RTAggregation = false; 708 pBssHT->bdRT2RTLongSlotTime = false; 709 pBssHT->RT2RT_HT_Mode = (enum rt_ht_capability)0; 710 } 711 712 void HTResetSelfAndSavePeerSetting(struct rtllib_device *ieee, 713 struct rtllib_network *pNetwork) 714 { 715 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 716 u8 bIOTAction = 0; 717 718 netdev_vdbg(ieee->dev, "%s()\n", __func__); 719 /* unmark bEnableHT flag here is the same reason why unmarked in 720 * function rtllib_softmac_new_net. WB 2008.09.10 721 */ 722 if (pNetwork->bssht.bdSupportHT) { 723 pHTInfo->bCurrentHTSupport = true; 724 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer; 725 726 if (pNetwork->bssht.bdHTCapLen > 0 && 727 pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf)) 728 memcpy(pHTInfo->PeerHTCapBuf, 729 pNetwork->bssht.bdHTCapBuf, 730 pNetwork->bssht.bdHTCapLen); 731 732 if (pNetwork->bssht.bdHTInfoLen > 0 && 733 pNetwork->bssht.bdHTInfoLen <= 734 sizeof(pHTInfo->PeerHTInfoBuf)) 735 memcpy(pHTInfo->PeerHTInfoBuf, 736 pNetwork->bssht.bdHTInfoBuf, 737 pNetwork->bssht.bdHTInfoLen); 738 739 if (pHTInfo->bRegRT2RTAggregation) { 740 pHTInfo->bCurrentRT2RTAggregation = 741 pNetwork->bssht.bdRT2RTAggregation; 742 pHTInfo->bCurrentRT2RTLongSlotTime = 743 pNetwork->bssht.bdRT2RTLongSlotTime; 744 pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode; 745 } else { 746 pHTInfo->bCurrentRT2RTAggregation = false; 747 pHTInfo->bCurrentRT2RTLongSlotTime = false; 748 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; 749 } 750 751 HTIOTPeerDetermine(ieee); 752 753 pHTInfo->IOTAction = 0; 754 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid); 755 if (bIOTAction) 756 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14; 757 758 bIOTAction = HTIOTActIsDisableMCS15(ieee); 759 if (bIOTAction) 760 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15; 761 762 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee); 763 if (bIOTAction) 764 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS; 765 766 767 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid); 768 if (bIOTAction) 769 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO; 770 771 bIOTAction = HTIOTActIsMgntUseCCK6M(ieee, pNetwork); 772 if (bIOTAction) 773 pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M; 774 bIOTAction = HTIOTActIsCCDFsync(ieee); 775 if (bIOTAction) 776 pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC; 777 } else { 778 pHTInfo->bCurrentHTSupport = false; 779 pHTInfo->bCurrentRT2RTAggregation = false; 780 pHTInfo->bCurrentRT2RTLongSlotTime = false; 781 pHTInfo->RT2RT_HT_Mode = (enum rt_ht_capability)0; 782 783 pHTInfo->IOTAction = 0; 784 pHTInfo->IOTRaFunc = 0; 785 } 786 } 787 788 void HT_update_self_and_peer_setting(struct rtllib_device *ieee, 789 struct rtllib_network *pNetwork) 790 { 791 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 792 struct ht_info_ele *pPeerHTInfo = 793 (struct ht_info_ele *)pNetwork->bssht.bdHTInfoBuf; 794 795 if (pHTInfo->bCurrentHTSupport) { 796 if (pNetwork->bssht.bdHTInfoLen != 0) 797 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; 798 } 799 } 800 EXPORT_SYMBOL(HT_update_self_and_peer_setting); 801 802 void HTUseDefaultSetting(struct rtllib_device *ieee) 803 { 804 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 805 806 if (pHTInfo->bEnableHT) { 807 pHTInfo->bCurrentHTSupport = true; 808 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK; 809 810 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz; 811 pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz; 812 813 pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz; 814 815 if (ieee->iw_mode == IW_MODE_ADHOC) 816 ieee->current_network.qos_data.active = 817 ieee->current_network.qos_data.supported; 818 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; 819 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 820 821 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; 822 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 823 824 pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity; 825 826 HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet, 827 ieee->dot11HTOperationalRateSet); 828 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, 829 ieee->dot11HTOperationalRateSet, 830 MCS_FILTER_ALL); 831 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; 832 833 } else { 834 pHTInfo->bCurrentHTSupport = false; 835 } 836 } 837 838 u8 HTCCheck(struct rtllib_device *ieee, u8 *pFrame) 839 { 840 if (ieee->pHTInfo->bCurrentHTSupport) { 841 if ((IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) { 842 netdev_dbg(ieee->dev, "HT CONTROL FILED EXIST!!\n"); 843 return true; 844 } 845 } 846 return false; 847 } 848 849 static void HTSetConnectBwModeCallback(struct rtllib_device *ieee) 850 { 851 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 852 853 netdev_vdbg(ieee->dev, "%s()\n", __func__); 854 855 if (pHTInfo->bCurBW40MHz) { 856 if (pHTInfo->CurSTAExtChnlOffset == HT_EXTCHNL_OFFSET_UPPER) 857 ieee->set_chan(ieee->dev, 858 ieee->current_network.channel + 2); 859 else if (pHTInfo->CurSTAExtChnlOffset == 860 HT_EXTCHNL_OFFSET_LOWER) 861 ieee->set_chan(ieee->dev, 862 ieee->current_network.channel - 2); 863 else 864 ieee->set_chan(ieee->dev, 865 ieee->current_network.channel); 866 867 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, 868 pHTInfo->CurSTAExtChnlOffset); 869 } else { 870 ieee->set_chan(ieee->dev, ieee->current_network.channel); 871 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, 872 HT_EXTCHNL_OFFSET_NO_EXT); 873 } 874 875 pHTInfo->bSwBwInProgress = false; 876 } 877 878 void HTSetConnectBwMode(struct rtllib_device *ieee, 879 enum ht_channel_width Bandwidth, 880 enum ht_extchnl_offset Offset) 881 { 882 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; 883 884 if (pHTInfo->bRegBW40MHz == false) 885 return; 886 887 if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 888 Bandwidth = HT_CHANNEL_WIDTH_20; 889 890 if (pHTInfo->bSwBwInProgress) { 891 pr_info("%s: bSwBwInProgress!!\n", __func__); 892 return; 893 } 894 if (Bandwidth == HT_CHANNEL_WIDTH_20_40) { 895 if (ieee->current_network.channel < 2 && 896 Offset == HT_EXTCHNL_OFFSET_LOWER) 897 Offset = HT_EXTCHNL_OFFSET_NO_EXT; 898 if (Offset == HT_EXTCHNL_OFFSET_UPPER || 899 Offset == HT_EXTCHNL_OFFSET_LOWER) { 900 pHTInfo->bCurBW40MHz = true; 901 pHTInfo->CurSTAExtChnlOffset = Offset; 902 } else { 903 pHTInfo->bCurBW40MHz = false; 904 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; 905 } 906 } else { 907 pHTInfo->bCurBW40MHz = false; 908 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; 909 } 910 911 pr_info("%s():pHTInfo->bCurBW40MHz:%x\n", __func__, 912 pHTInfo->bCurBW40MHz); 913 914 pHTInfo->bSwBwInProgress = true; 915 916 HTSetConnectBwModeCallback(ieee); 917 } 918