1 2//As this function is mainly ported from Windows driver, so leave the name little changed. If any confusion caused, tell me. Created by WB. 2008.05.08 3#include "ieee80211.h" 4#include "rtl819x_HT.h" 5u8 MCS_FILTER_ALL[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 6 7u8 MCS_FILTER_1SS[16] = {0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 8 9u16 MCS_DATA_RATE[2][2][77] = 10 { { {13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78 ,104, 156, 208, 234, 260, 11 39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416, 468, 520, 12 0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182, 182, 208, 156, 195, 13 195, 234, 273, 273, 312, 130, 156, 181, 156, 181, 208, 234, 208, 234, 260, 260, 14 286, 195, 234, 273, 234, 273, 312, 351, 312, 351, 390, 390, 429}, // Long GI, 20MHz 15 {14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289, 16 43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520, 578, 17 0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231, 173, 217, 18 217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260, 231, 260, 289, 289, 19 318, 217, 260, 303, 260, 303, 347, 390, 347, 390, 433, 433, 477} }, // Short GI, 20MHz 20 { {27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486, 540, 21 81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648, 864, 972, 1080, 22 12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324, 378, 378, 432, 324, 405, 23 405, 486, 567, 567, 648, 270, 324, 378, 324, 378, 432, 486, 432, 486, 540, 540, 24 594, 405, 486, 567, 486, 567, 648, 729, 648, 729, 810, 810, 891}, // Long GI, 40MHz 25 {30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540, 600, 26 90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720, 960, 1080, 1200, 27 13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360, 420, 420, 480, 360, 450, 28 450, 540, 630, 630, 720, 300, 360, 420, 360, 420, 480, 540, 480, 540, 600, 600, 29 660, 450, 540, 630, 540, 630, 720, 810, 720, 810, 900, 900, 990} } // Short GI, 40MHz 30 }; 31 32static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf}; 33static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70}; 34static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e}; 35static u8 NETGEAR834Bv2_BROADCOM[3] = {0x00, 0x1b, 0x2f}; 36static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f}; //cosa 03202008 37static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf}; 38static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc}; 39static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e}; 40static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02}; 41//static u8 DLINK_ATHEROS[3] = {0x00, 0x1c, 0xf0}; 42static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94}; 43 44// 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Should we put the 45// code in other place?? 46//static u8 WIFI_CISCO_G_AP[3] = {0x00, 0x40, 0x96}; 47/******************************************************************************************************************** 48 *function: This function update default settings in pHTInfo structure 49 * input: PRT_HIGH_THROUGHPUT pHTInfo 50 * output: none 51 * return: none 52 * notice: These value need be modified if any changes. 53 * *****************************************************************************************************************/ 54void HTUpdateDefaultSetting(struct ieee80211_device* ieee) 55{ 56 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 57 //const typeof( ((struct ieee80211_device *)0)->pHTInfo ) *__mptr = &pHTInfo; 58 59 //printk("pHTinfo:%p, &pHTinfo:%p, mptr:%p, offsetof:%x\n", pHTInfo, &pHTInfo, __mptr, offsetof(struct ieee80211_device, pHTInfo)); 60 //printk("===>ieee:%p,\n", ieee); 61 // ShortGI support 62 pHTInfo->bRegShortGI20MHz= 1; 63 pHTInfo->bRegShortGI40MHz= 1; 64 65 // 40MHz channel support 66 pHTInfo->bRegBW40MHz = 1; 67 68 // CCK rate support in 40MHz channel 69 if(pHTInfo->bRegBW40MHz) 70 pHTInfo->bRegSuppCCK = 1; 71 else 72 pHTInfo->bRegSuppCCK = true; 73 74 // AMSDU related 75 pHTInfo->nAMSDU_MaxSize = 7935UL; 76 pHTInfo->bAMSDU_Support = 0; 77 78 // AMPDU related 79 pHTInfo->bAMPDUEnable = 1; 80 pHTInfo->AMPDU_Factor = 2; //// 0: 2n13(8K), 1:2n14(16K), 2:2n15(32K), 3:2n16(64k) 81 pHTInfo->MPDU_Density = 0;// 0: No restriction, 1: 1/8usec, 2: 1/4usec, 3: 1/2usec, 4: 1usec, 5: 2usec, 6: 4usec, 7:8usec 82 83 // MIMO Power Save 84 pHTInfo->SelfMimoPs = 3;// 0: Static Mimo Ps, 1: Dynamic Mimo Ps, 3: No Limitation, 2: Reserved(Set to 3 automatically.) 85 if(pHTInfo->SelfMimoPs == 2) 86 pHTInfo->SelfMimoPs = 3; 87 // 8190 only. Assign rate operation mode to firmware 88 ieee->bTxDisableRateFallBack = 0; 89 ieee->bTxUseDriverAssingedRate = 0; 90 91#ifdef TO_DO_LIST 92 // 8190 only. Assign duration operation mode to firmware 93 pMgntInfo->bTxEnableFwCalcDur = (BOOLEAN)pNdisCommon->bRegTxEnableFwCalcDur; 94#endif 95 // 8190 only, Realtek proprietary aggregation mode 96 // Set MPDUDensity=2, 1: Set MPDUDensity=2(32k) for Realtek AP and set MPDUDensity=0(8k) for others 97 pHTInfo->bRegRT2RTAggregation = 1;//0: Set MPDUDensity=2, 1: Set MPDUDensity=2(32k) for Realtek AP and set MPDUDensity=0(8k) for others 98 99 // For Rx Reorder Control 100 pHTInfo->bRegRxReorderEnable = 1; 101 pHTInfo->RxReorderWinSize = 64; 102 pHTInfo->RxReorderPendingTime = 30; 103 104#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE 105 pHTInfo->UsbTxAggrNum = 4; 106#endif 107#ifdef USB_RX_AGGREGATION_SUPPORT 108 pHTInfo->UsbRxFwAggrEn = 1; 109 pHTInfo->UsbRxFwAggrPageNum = 24; 110 pHTInfo->UsbRxFwAggrPacketNum = 8; 111 pHTInfo->UsbRxFwAggrTimeout = 16; ////usb rx FW aggregation timeout threshold.It's in units of 64us 112#endif 113 114 115} 116/******************************************************************************************************************** 117 *function: This function print out each field on HT capability IE mainly from (Beacon/ProbeRsp/AssocReq) 118 * input: u8* CapIE //Capability IE to be printed out 119 * u8* TitleString //mainly print out caller function 120 * output: none 121 * return: none 122 * notice: Driver should not print out this message by default. 123 * *****************************************************************************************************************/ 124void HTDebugHTCapability(u8* CapIE, u8* TitleString ) 125{ 126 127 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily 128 PHT_CAPABILITY_ELE pCapELE; 129 130 if(!memcmp(CapIE, EWC11NHTCap, sizeof(EWC11NHTCap))) 131 { 132 //EWC IE 133 IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__); 134 pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[4]); 135 }else 136 pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[0]); 137 138 IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Capability>. Called by %s\n", TitleString ); 139 140 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupported Channel Width = %s\n", (pCapELE->ChlWidth)?"20MHz": "20/40MHz"); 141 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport Short GI for 20M = %s\n", (pCapELE->ShortGI20Mhz)?"YES": "NO"); 142 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport Short GI for 40M = %s\n", (pCapELE->ShortGI40Mhz)?"YES": "NO"); 143 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport TX STBC = %s\n", (pCapELE->TxSTBC)?"YES": "NO"); 144 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMax AMSDU Size = %s\n", (pCapELE->MaxAMSDUSize)?"3839": "7935"); 145 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport CCK in 20/40 mode = %s\n", (pCapELE->DssCCk)?"YES": "NO"); 146 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMax AMPDU Factor = %d\n", pCapELE->MaxRxAMPDUFactor); 147 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMPDU Density = %d\n", pCapELE->MPDUDensity); 148 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMCS Rate Set = [%x][%x][%x][%x][%x]\n", pCapELE->MCS[0],\ 149 pCapELE->MCS[1], pCapELE->MCS[2], pCapELE->MCS[3], pCapELE->MCS[4]); 150 return; 151 152} 153/******************************************************************************************************************** 154 *function: This function print out each field on HT Information IE mainly from (Beacon/ProbeRsp) 155 * input: u8* InfoIE //Capability IE to be printed out 156 * u8* TitleString //mainly print out caller function 157 * output: none 158 * return: none 159 * notice: Driver should not print out this message by default. 160 * *****************************************************************************************************************/ 161void HTDebugHTInfo(u8* InfoIE, u8* TitleString) 162{ 163 164 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; // For 11n EWC definition, 2007.07.17, by Emily 165 PHT_INFORMATION_ELE pHTInfoEle; 166 167 if(!memcmp(InfoIE, EWC11NHTInfo, sizeof(EWC11NHTInfo))) 168 { 169 // Not EWC IE 170 IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__); 171 pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[4]); 172 }else 173 pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[0]); 174 175 176 IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Information Element>. Called by %s\n", TitleString); 177 178 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tPrimary channel = %d\n", pHTInfoEle->ControlChl); 179 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSenondary channel ="); 180 switch(pHTInfoEle->ExtChlOffset) 181 { 182 case 0: 183 IEEE80211_DEBUG(IEEE80211_DL_HT, "Not Present\n"); 184 break; 185 case 1: 186 IEEE80211_DEBUG(IEEE80211_DL_HT, "Upper channel\n"); 187 break; 188 case 2: 189 IEEE80211_DEBUG(IEEE80211_DL_HT, "Reserved. Eooro!!!\n"); 190 break; 191 case 3: 192 IEEE80211_DEBUG(IEEE80211_DL_HT, "Lower Channel\n"); 193 break; 194 } 195 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tRecommended channel width = %s\n", (pHTInfoEle->RecommemdedTxWidth)?"20Mhz": "40Mhz"); 196 197 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tOperation mode for protection = "); 198 switch(pHTInfoEle->OptMode) 199 { 200 case 0: 201 IEEE80211_DEBUG(IEEE80211_DL_HT, "No Protection\n"); 202 break; 203 case 1: 204 IEEE80211_DEBUG(IEEE80211_DL_HT, "HT non-member protection mode\n"); 205 break; 206 case 2: 207 IEEE80211_DEBUG(IEEE80211_DL_HT, "Suggest to open protection\n"); 208 break; 209 case 3: 210 IEEE80211_DEBUG(IEEE80211_DL_HT, "HT mixed mode\n"); 211 break; 212 } 213 214 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tBasic MCS Rate Set = [%x][%x][%x][%x][%x]\n", pHTInfoEle->BasicMSC[0],\ 215 pHTInfoEle->BasicMSC[1], pHTInfoEle->BasicMSC[2], pHTInfoEle->BasicMSC[3], pHTInfoEle->BasicMSC[4]); 216 return; 217} 218 219/* 220* Return: true if station in half n mode and AP supports 40 bw 221*/ 222bool IsHTHalfNmode40Bandwidth(struct ieee80211_device* ieee) 223{ 224 bool retValue = false; 225 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 226 227 if(pHTInfo->bCurrentHTSupport == false ) // wireless is n mode 228 retValue = false; 229 else if(pHTInfo->bRegBW40MHz == false) // station supports 40 bw 230 retValue = false; 231 else if(!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) // station in half n mode 232 retValue = false; 233 else if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ChlWidth) // ap support 40 bw 234 retValue = true; 235 else 236 retValue = false; 237 238 return retValue; 239} 240 241bool IsHTHalfNmodeSGI(struct ieee80211_device* ieee, bool is40MHz) 242{ 243 bool retValue = false; 244 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 245 246 if(pHTInfo->bCurrentHTSupport == false ) // wireless is n mode 247 retValue = false; 248 else if(!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) // station in half n mode 249 retValue = false; 250 else if(is40MHz) // ap support 40 bw 251 { 252 if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI40Mhz) // ap support 40 bw short GI 253 retValue = true; 254 else 255 retValue = false; 256 } 257 else 258 { 259 if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI20Mhz) // ap support 40 bw short GI 260 retValue = true; 261 else 262 retValue = false; 263 } 264 265 return retValue; 266} 267 268u16 HTHalfMcsToDataRate(struct ieee80211_device* ieee, u8 nMcsRate) 269{ 270 271 u8 is40MHz; 272 u8 isShortGI; 273 274 is40MHz = (IsHTHalfNmode40Bandwidth(ieee))?1:0; 275 isShortGI = (IsHTHalfNmodeSGI(ieee, is40MHz))? 1:0; 276 277 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)]; 278} 279 280 281u16 HTMcsToDataRate( struct ieee80211_device* ieee, u8 nMcsRate) 282{ 283 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 284 285 u8 is40MHz = (pHTInfo->bCurBW40MHz)?1:0; 286 u8 isShortGI = (pHTInfo->bCurBW40MHz)? 287 ((pHTInfo->bCurShortGI40MHz)?1:0): 288 ((pHTInfo->bCurShortGI20MHz)?1:0); 289 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)]; 290} 291 292/******************************************************************************************************************** 293 *function: This function returns current datarate. 294 * input: struct ieee80211_device* ieee 295 * u8 nDataRate 296 * output: none 297 * return: tx rate 298 * notice: quite unsure about how to use this function //wb 299 * *****************************************************************************************************************/ 300u16 TxCountToDataRate( struct ieee80211_device* ieee, u8 nDataRate) 301{ 302 //PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 303 u16 CCKOFDMRate[12] = {0x02 , 0x04 , 0x0b , 0x16 , 0x0c , 0x12 , 0x18 , 0x24 , 0x30 , 0x48 , 0x60 , 0x6c}; 304 u8 is40MHz = 0; 305 u8 isShortGI = 0; 306 307 if(nDataRate < 12) 308 { 309 return CCKOFDMRate[nDataRate]; 310 } 311 else 312 { 313 if (nDataRate >= 0x10 && nDataRate <= 0x1f)//if(nDataRate > 11 && nDataRate < 28 ) 314 { 315 is40MHz = 0; 316 isShortGI = 0; 317 318 // nDataRate = nDataRate - 12; 319 } 320 else if(nDataRate >=0x20 && nDataRate <= 0x2f ) //(27, 44) 321 { 322 is40MHz = 1; 323 isShortGI = 0; 324 325 //nDataRate = nDataRate - 28; 326 } 327 else if(nDataRate >= 0x30 && nDataRate <= 0x3f ) //(43, 60) 328 { 329 is40MHz = 0; 330 isShortGI = 1; 331 332 //nDataRate = nDataRate - 44; 333 } 334 else if(nDataRate >= 0x40 && nDataRate <= 0x4f ) //(59, 76) 335 { 336 is40MHz = 1; 337 isShortGI = 1; 338 339 //nDataRate = nDataRate - 60; 340 } 341 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf]; 342 } 343} 344 345 346 347bool IsHTHalfNmodeAPs(struct ieee80211_device* ieee) 348{ 349 bool retValue = false; 350 struct ieee80211_network* net = &ieee->current_network; 351 if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) || 352 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) || 353 (memcmp(net->bssid, PCI_RALINK, 3)==0) || 354 (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) || 355 (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) || 356 (net->ralink_cap_exist)) 357 retValue = true; 358 else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) || 359 (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)|| 360 (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)|| 361 (memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) || 362 (net->broadcom_cap_exist)) 363 retValue = true; 364 else if(net->bssht.bdRT2RTAggregation) 365 retValue = true; 366 else 367 retValue = false; 368 369 return retValue; 370} 371 372/******************************************************************************************************************** 373 *function: This function returns peer IOT. 374 * input: struct ieee80211_device* ieee 375 * output: none 376 * return: 377 * notice: 378 * *****************************************************************************************************************/ 379void HTIOTPeerDetermine(struct ieee80211_device* ieee) 380{ 381 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 382 struct ieee80211_network* net = &ieee->current_network; 383 if(net->bssht.bdRT2RTAggregation) 384 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK; 385 else if(net->broadcom_cap_exist) 386 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; 387 else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) || 388 (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)|| 389 (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)|| 390 (memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) ) 391 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; 392 else if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) || 393 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) || 394 (memcmp(net->bssid, PCI_RALINK, 3)==0) || 395 (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) || 396 (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) || 397 net->ralink_cap_exist) 398 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK; 399 else if(net->atheros_cap_exist) 400 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS; 401 else if(memcmp(net->bssid, CISCO_BROADCOM, 3)==0) 402 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO; 403 else 404 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; 405 406 IEEE80211_DEBUG(IEEE80211_DL_IOT, "Joseph debug!! IOTPEER: %x\n", pHTInfo->IOTPeer); 407} 408/******************************************************************************************************************** 409 *function: Check whether driver should declare received rate up to MCS13 only since some chipset is not good 410 * at receiving MCS14~15 frame from some AP. 411 * input: struct ieee80211_device* ieee 412 * u8 * PeerMacAddr 413 * output: none 414 * return: return 1 if driver should declare MCS13 only(otherwise return 0) 415 * *****************************************************************************************************************/ 416u8 HTIOTActIsDisableMCS14(struct ieee80211_device* ieee, u8* PeerMacAddr) 417{ 418 u8 ret = 0; 419 return ret; 420 } 421 422 423/** 424* Function: HTIOTActIsDisableMCS15 425* 426* Overview: Check whether driver should declare capability of receving MCS15 427* 428* Input: 429* PADAPTER Adapter, 430* 431* Output: None 432* Return: true if driver should disable MCS15 433* 2008.04.15 Emily 434*/ 435bool HTIOTActIsDisableMCS15(struct ieee80211_device* ieee) 436{ 437 bool retValue = false; 438 439#ifdef TODO 440 // Apply for 819u only 441#if HAL_CODE_BASE==RTL8192 442 443#if (DEV_BUS_TYPE == USB_INTERFACE) 444 // Alway disable MCS15 by Jerry Chang's request.by Emily, 2008.04.15 445 retValue = true; 446#elif (DEV_BUS_TYPE == PCI_INTERFACE) 447 // Enable MCS15 if the peer is Cisco AP. by Emily, 2008.05.12 448// if(pBssDesc->bCiscoCapExist) 449// retValue = false; 450// else 451 retValue = false; 452#endif 453#endif 454#endif 455 // Jerry Chang suggest that 8190 1x2 does not need to disable MCS15 456 457 return retValue; 458} 459 460/** 461* Function: HTIOTActIsDisableMCSTwoSpatialStream 462* 463* Overview: Check whether driver should declare capability of receving All 2 ss packets 464* 465* Input: 466* PADAPTER Adapter, 467* 468* Output: None 469* Return: true if driver should disable all two spatial stream packet 470* 2008.04.21 Emily 471*/ 472bool HTIOTActIsDisableMCSTwoSpatialStream(struct ieee80211_device* ieee, u8 *PeerMacAddr) 473{ 474 bool retValue = false; 475 476#ifdef TODO 477 // Apply for 819u only 478#endif 479 return retValue; 480} 481 482/******************************************************************************************************************** 483 *function: Check whether driver should disable EDCA turbo mode 484 * input: struct ieee80211_device* ieee 485 * u8* PeerMacAddr 486 * output: none 487 * return: return 1 if driver should disable EDCA turbo mode(otherwise return 0) 488 * *****************************************************************************************************************/ 489u8 HTIOTActIsDisableEDCATurbo(struct ieee80211_device* ieee, u8* PeerMacAddr) 490{ 491 u8 retValue = false; // default enable EDCA Turbo mode. 492 // Set specific EDCA parameter for different AP in DM handler. 493 494 return retValue; 495} 496 497/******************************************************************************************************************** 498 *function: Check whether we need to use OFDM to sned MGNT frame for broadcom AP 499 * input: struct ieee80211_network *network //current network we live 500 * output: none 501 * return: return 1 if true 502 * *****************************************************************************************************************/ 503u8 HTIOTActIsMgntUseCCK6M(struct ieee80211_network *network) 504{ 505 u8 retValue = 0; 506 507 // 2008/01/25 MH Judeg if we need to use OFDM to sned MGNT frame for broadcom AP. 508 // 2008/01/28 MH We must prevent that we select null bssid to link. 509 510 if(network->broadcom_cap_exist) 511 { 512 retValue = 1; 513 } 514 515 return retValue; 516} 517 518u8 HTIOTActIsCCDFsync(u8* PeerMacAddr) 519{ 520 u8 retValue = 0; 521 if( (memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0) || 522 (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0) || 523 (memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ==0)) 524 { 525 retValue = 1; 526 } 527 528 return retValue; 529} 530 531void HTResetIOTSetting( 532 PRT_HIGH_THROUGHPUT pHTInfo 533) 534{ 535 pHTInfo->IOTAction = 0; 536 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; 537} 538 539 540/******************************************************************************************************************** 541 *function: Construct Capablility Element in Beacon... if HTEnable is turned on 542 * input: struct ieee80211_device* ieee 543 * u8* posHTCap //pointer to store Capability Ele 544 * u8* len //store length of CE 545 * u8 IsEncrypt //whether encrypt, needed further 546 * output: none 547 * return: none 548 * notice: posHTCap can't be null and should be initialized before. 549 * *****************************************************************************************************************/ 550void HTConstructCapabilityElement(struct ieee80211_device* ieee, u8* posHTCap, u8* len, u8 IsEncrypt) 551{ 552 PRT_HIGH_THROUGHPUT pHT = ieee->pHTInfo; 553 PHT_CAPABILITY_ELE pCapELE = NULL; 554 //u8 bIsDeclareMCS13; 555 556 if ((posHTCap == NULL) || (pHT == NULL)) 557 { 558 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTCap or pHTInfo can't be null in HTConstructCapabilityElement()\n"); 559 return; 560 } 561 memset(posHTCap, 0, *len); 562 if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC) 563 { 564 u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily 565 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap)); 566 pCapELE = (PHT_CAPABILITY_ELE)&(posHTCap[4]); 567 }else 568 { 569 pCapELE = (PHT_CAPABILITY_ELE)posHTCap; 570 } 571 572 573 //HT capability info 574 pCapELE->AdvCoding = 0; // This feature is not supported now!! 575 if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 576 { 577 pCapELE->ChlWidth = 0; 578 } 579 else 580 { 581 pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0); 582 } 583 584// pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0); 585 pCapELE->MimoPwrSave = pHT->SelfMimoPs; 586 pCapELE->GreenField = 0; // This feature is not supported now!! 587 pCapELE->ShortGI20Mhz = 1; // We can receive Short GI!! 588 pCapELE->ShortGI40Mhz = 1; // We can receive Short GI!! 589 //DbgPrint("TX HT cap/info ele BW=%d SG20=%d SG40=%d\n\r", 590 //pCapELE->ChlWidth, pCapELE->ShortGI20Mhz, pCapELE->ShortGI40Mhz); 591 pCapELE->TxSTBC = 1; 592 pCapELE->RxSTBC = 0; 593 pCapELE->DelayBA = 0; // Do not support now!! 594 pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE>=7935)?1:0; 595 pCapELE->DssCCk = ((pHT->bRegBW40MHz)?(pHT->bRegSuppCCK?1:0):0); 596 pCapELE->PSMP = 0; // Do not support now!! 597 pCapELE->LSigTxopProtect = 0; // Do not support now!! 598 599 600 //MAC HT parameters info 601 // TODO: Nedd to take care of this part 602 IEEE80211_DEBUG(IEEE80211_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk); 603 604 if( IsEncrypt) 605 { 606 pCapELE->MPDUDensity = 7; // 8us 607 pCapELE->MaxRxAMPDUFactor = 2; // 2 is for 32 K and 3 is 64K 608 } 609 else 610 { 611 pCapELE->MaxRxAMPDUFactor = 3; // 2 is for 32 K and 3 is 64K 612 pCapELE->MPDUDensity = 0; // no density 613 } 614 615 //Supported MCS set 616 memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16); 617 if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15) 618 pCapELE->MCS[1] &= 0x7f; 619 620 if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14) 621 pCapELE->MCS[1] &= 0xbf; 622 623 if(pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS) 624 pCapELE->MCS[1] &= 0x00; 625 626 // 2008.06.12 627 // For RTL819X, if pairwisekey = wep/tkip, ap is ralink, we support only MCS0~7. 628 if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 629 { 630 int i; 631 for(i = 1; i< 16; i++) 632 pCapELE->MCS[i] = 0; 633 } 634 635 //Extended HT Capability Info 636 memset(&pCapELE->ExtHTCapInfo, 0, 2); 637 638 639 //TXBF Capabilities 640 memset(pCapELE->TxBFCap, 0, 4); 641 642 //Antenna Selection Capabilities 643 pCapELE->ASCap = 0; 644//add 2 to give space for element ID and len when construct frames 645 if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC) 646 *len = 30 + 2; 647 else 648 *len = 26 + 2; 649 650 651 652// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_HT, posHTCap, *len -2); 653 654 //Print each field in detail. Driver should not print out this message by default 655// HTDebugHTCapability(posHTCap, (u8*)"HTConstructCapability()"); 656 return; 657 658} 659/******************************************************************************************************************** 660 *function: Construct Information Element in Beacon... if HTEnable is turned on 661 * input: struct ieee80211_device* ieee 662 * u8* posHTCap //pointer to store Information Ele 663 * u8* len //store len of 664 * u8 IsEncrypt //whether encrypt, needed further 665 * output: none 666 * return: none 667 * notice: posHTCap can't be null and be initialized before. only AP and IBSS sta should do this 668 * *****************************************************************************************************************/ 669void HTConstructInfoElement(struct ieee80211_device* ieee, u8* posHTInfo, u8* len, u8 IsEncrypt) 670{ 671 PRT_HIGH_THROUGHPUT pHT = ieee->pHTInfo; 672 PHT_INFORMATION_ELE pHTInfoEle = (PHT_INFORMATION_ELE)posHTInfo; 673 if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) 674 { 675 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTInfo or pHTInfoEle can't be null in HTConstructInfoElement()\n"); 676 return; 677 } 678 679 memset(posHTInfo, 0, *len); 680 if ( (ieee->iw_mode == IW_MODE_ADHOC) || (ieee->iw_mode == IW_MODE_MASTER)) //ap mode is not currently supported 681 { 682 pHTInfoEle->ControlChl = ieee->current_network.channel; 683 pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false)?HT_EXTCHNL_OFFSET_NO_EXT: 684 (ieee->current_network.channel<=6)? 685 HT_EXTCHNL_OFFSET_UPPER:HT_EXTCHNL_OFFSET_LOWER); 686 pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz; 687 pHTInfoEle->RIFS = 0; 688 pHTInfoEle->PSMPAccessOnly = 0; 689 pHTInfoEle->SrvIntGranularity = 0; 690 pHTInfoEle->OptMode = pHT->CurrentOpMode; 691 pHTInfoEle->NonGFDevPresent = 0; 692 pHTInfoEle->DualBeacon = 0; 693 pHTInfoEle->SecondaryBeacon = 0; 694 pHTInfoEle->LSigTxopProtectFull = 0; 695 pHTInfoEle->PcoActive = 0; 696 pHTInfoEle->PcoPhase = 0; 697 698 memset(pHTInfoEle->BasicMSC, 0, 16); 699 700 701 *len = 22 + 2; //same above 702 703 } 704 else 705 { 706 //STA should not generate High Throughput Information Element 707 *len = 0; 708 } 709 //IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_HT, posHTInfo, *len - 2); 710 //HTDebugHTInfo(posHTInfo, "HTConstructInforElement"); 711 return; 712} 713 714/* 715 * According to experiment, Realtek AP to STA (based on rtl8190) may achieve best performance 716 * if both STA and AP set limitation of aggregation size to 32K, that is, set AMPDU density to 2 717 * (Ref: IEEE 11n specification). However, if Realtek STA associates to other AP, STA should set 718 * limitation of aggregation size to 8K, otherwise, performance of traffic stream from STA to AP 719 * will be much less than the traffic stream from AP to STA if both of the stream runs concurrently 720 * at the same time. 721 * 722 * Frame Format 723 * Element ID Length OUI Type1 Reserved 724 * 1 byte 1 byte 3 bytes 1 byte 1 byte 725 * 726 * OUI = 0x00, 0xe0, 0x4c, 727 * Type = 0x02 728 * Reserved = 0x00 729 * 730 * 2007.8.21 by Emily 731*/ 732/******************************************************************************************************************** 733 *function: Construct Information Element in Beacon... in RT2RT condition 734 * input: struct ieee80211_device* ieee 735 * u8* posRT2RTAgg //pointer to store Information Ele 736 * u8* len //store len 737 * output: none 738 * return: none 739 * notice: 740 * *****************************************************************************************************************/ 741void HTConstructRT2RTAggElement(struct ieee80211_device* ieee, u8* posRT2RTAgg, u8* len) 742{ 743 if (posRT2RTAgg == NULL) { 744 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posRT2RTAgg can't be null in HTConstructRT2RTAggElement()\n"); 745 return; 746 } 747 memset(posRT2RTAgg, 0, *len); 748 *posRT2RTAgg++ = 0x00; 749 *posRT2RTAgg++ = 0xe0; 750 *posRT2RTAgg++ = 0x4c; 751 *posRT2RTAgg++ = 0x02; 752 *posRT2RTAgg++ = 0x01; 753 *posRT2RTAgg = 0x10;//*posRT2RTAgg = 0x02; 754 755 if(ieee->bSupportRemoteWakeUp) { 756 *posRT2RTAgg |= 0x08;//RT_HT_CAP_USE_WOW; 757 } 758 759 *len = 6 + 2; 760 return; 761#ifdef TODO 762#if (HAL_CODE_BASE == RTL8192 && DEV_BUS_TYPE == USB_INTERFACE) 763 /* 764 //Emily. If it is required to Ask Realtek AP to send AMPDU during AES mode, enable this 765 section of code. 766 if(IS_UNDER_11N_AES_MODE(Adapter)) 767 { 768 posRT2RTAgg->Octet[5] |=RT_HT_CAP_USE_AMPDU; 769 }else 770 { 771 posRT2RTAgg->Octet[5] &= 0xfb; 772 } 773 */ 774 775#else 776 // Do Nothing 777#endif 778 779 posRT2RTAgg->Length = 6; 780#endif 781 782 783 784 785} 786 787 788/******************************************************************************************************************** 789 *function: Pick the right Rate Adaptive table to use 790 * input: struct ieee80211_device* ieee 791 * u8* pOperateMCS //A pointer to MCS rate bitmap 792 * return: always we return true 793 * notice: 794 * *****************************************************************************************************************/ 795u8 HT_PickMCSRate(struct ieee80211_device* ieee, u8* pOperateMCS) 796{ 797 u8 i; 798 if (pOperateMCS == NULL) 799 { 800 IEEE80211_DEBUG(IEEE80211_DL_ERR, "pOperateMCS can't be null in HT_PickMCSRate()\n"); 801 return false; 802 } 803 804 switch(ieee->mode) 805 { 806 case IEEE_A: 807 case IEEE_B: 808 case IEEE_G: 809 //legacy rate routine handled at selectedrate 810 811 //no MCS rate 812 for(i=0;i<=15;i++){ 813 pOperateMCS[i] = 0; 814 } 815 break; 816 817 case IEEE_N_24G: //assume CCK rate ok 818 case IEEE_N_5G: 819 // Legacy part we only use 6, 5.5,2,1 for N_24G and 6 for N_5G. 820 // Legacy part shall be handled at SelectRateSet(). 821 822 //HT part 823 // TODO: may be different if we have different number of antenna 824 pOperateMCS[0] &=RATE_ADPT_1SS_MASK; //support MCS 0~7 825 pOperateMCS[1] &=RATE_ADPT_2SS_MASK; 826 pOperateMCS[3] &=RATE_ADPT_MCS32_MASK; 827 break; 828 829 //should never reach here 830 default: 831 832 break; 833 834 } 835 836 return true; 837} 838 839/* 840* Description: 841* This function will get the highest speed rate in input MCS set. 842* 843* /param Adapter Pionter to Adapter entity 844* pMCSRateSet Pointer to MCS rate bitmap 845* pMCSFilter Pointer to MCS rate filter 846* 847* /return Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter. 848* 849*/ 850/******************************************************************************************************************** 851 *function: This function will get the highest speed rate in input MCS set. 852 * input: struct ieee80211_device* ieee 853 * u8* pMCSRateSet //Pointer to MCS rate bitmap 854 * u8* pMCSFilter //Pointer to MCS rate filter 855 * return: Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter 856 * notice: 857 * *****************************************************************************************************************/ 858u8 HTGetHighestMCSRate(struct ieee80211_device* ieee, u8* pMCSRateSet, u8* pMCSFilter) 859{ 860 u8 i, j; 861 u8 bitMap; 862 u8 mcsRate = 0; 863 u8 availableMcsRate[16]; 864 if (pMCSRateSet == NULL || pMCSFilter == NULL) 865 { 866 IEEE80211_DEBUG(IEEE80211_DL_ERR, "pMCSRateSet or pMCSFilter can't be null in HTGetHighestMCSRate()\n"); 867 return false; 868 } 869 for(i=0; i<16; i++) 870 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i]; 871 872 for(i = 0; i < 16; i++) 873 { 874 if(availableMcsRate[i] != 0) 875 break; 876 } 877 if(i == 16) 878 return false; 879 880 for(i = 0; i < 16; i++) 881 { 882 if(availableMcsRate[i] != 0) 883 { 884 bitMap = availableMcsRate[i]; 885 for(j = 0; j < 8; j++) 886 { 887 if((bitMap%2) != 0) 888 { 889 if(HTMcsToDataRate(ieee, (8*i+j)) > HTMcsToDataRate(ieee, mcsRate)) 890 mcsRate = (8*i+j); 891 } 892 bitMap = bitMap>>1; 893 } 894 } 895 } 896 return (mcsRate|0x80); 897} 898 899 900 901/* 902** 903**1.Filter our operation rate set with AP's rate set 904**2.shall reference channel bandwidth, STBC, Antenna number 905**3.generate rate adative table for firmware 906**David 20060906 907** 908** \pHTSupportedCap: the connected STA's supported rate Capability element 909*/ 910u8 HTFilterMCSRate( struct ieee80211_device* ieee, u8* pSupportMCS, u8* pOperateMCS) 911{ 912 913 u8 i=0; 914 915 // filter out operational rate set not supported by AP, the lenth of it is 16 916 for(i=0;i<=15;i++){ 917 pOperateMCS[i] = ieee->Regdot11HTOperationalRateSet[i]&pSupportMCS[i]; 918 } 919 920 921 // TODO: adjust our operational rate set according to our channel bandwidth, STBC and Antenna number 922 923 // TODO: fill suggested rate adaptive rate index and give firmware info using Tx command packet 924 // we also shall suggested the first start rate set according to our singal strength 925 HT_PickMCSRate(ieee, pOperateMCS); 926 927 // For RTL819X, if pairwisekey = wep/tkip, we support only MCS0~7. 928 if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 929 pOperateMCS[1] = 0; 930 931 // 932 // For RTL819X, we support only MCS0~15. 933 // And also, we do not know how to use MCS32 now. 934 // 935 for(i=2; i<=15; i++) 936 pOperateMCS[i] = 0; 937 938 return true; 939} 940void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset); 941void HTOnAssocRsp(struct ieee80211_device *ieee) 942{ 943 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 944 PHT_CAPABILITY_ELE pPeerHTCap = NULL; 945 PHT_INFORMATION_ELE pPeerHTInfo = NULL; 946 u16 nMaxAMSDUSize = 0; 947 u8* pMcsFilter = NULL; 948 949 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily 950 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; // For 11n EWC definition, 2007.07.17, by Emily 951 952 if( pHTInfo->bCurrentHTSupport == false ) 953 { 954 IEEE80211_DEBUG(IEEE80211_DL_ERR, "<=== HTOnAssocRsp(): HT_DISABLE\n"); 955 return; 956 } 957 IEEE80211_DEBUG(IEEE80211_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n"); 958// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTCapBuf, sizeof(HT_CAPABILITY_ELE)); 959// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTInfoBuf, sizeof(HT_INFORMATION_ELE)); 960 961// HTDebugHTCapability(pHTInfo->PeerHTCapBuf,"HTOnAssocRsp_wq"); 962// HTDebugHTInfo(pHTInfo->PeerHTInfoBuf,"HTOnAssocRsp_wq"); 963 // 964 if(!memcmp(pHTInfo->PeerHTCapBuf,EWC11NHTCap, sizeof(EWC11NHTCap))) 965 pPeerHTCap = (PHT_CAPABILITY_ELE)(&pHTInfo->PeerHTCapBuf[4]); 966 else 967 pPeerHTCap = (PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf); 968 969 if(!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo))) 970 pPeerHTInfo = (PHT_INFORMATION_ELE)(&pHTInfo->PeerHTInfoBuf[4]); 971 else 972 pPeerHTInfo = (PHT_INFORMATION_ELE)(pHTInfo->PeerHTInfoBuf); 973 974 975 //////////////////////////////////////////////////////// 976 // Configurations: 977 //////////////////////////////////////////////////////// 978 IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTCap, sizeof(HT_CAPABILITY_ELE)); 979// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTInfo, sizeof(HT_INFORMATION_ELE)); 980 // Config Supported Channel Width setting 981 // 982 HTSetConnectBwMode(ieee, (HT_CHANNEL_WIDTH)(pPeerHTCap->ChlWidth), (HT_EXTCHNL_OFFSET)(pPeerHTInfo->ExtChlOffset)); 983 984// if(pHTInfo->bCurBW40MHz == true) 985 pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1)?true:false); 986 987 // 988 // Update short GI/ long GI setting 989 // 990 // TODO: 991 pHTInfo->bCurShortGI20MHz= 992 ((pHTInfo->bRegShortGI20MHz)?((pPeerHTCap->ShortGI20Mhz==1)?true:false):false); 993 pHTInfo->bCurShortGI40MHz= 994 ((pHTInfo->bRegShortGI40MHz)?((pPeerHTCap->ShortGI40Mhz==1)?true:false):false); 995 996 // 997 // Config TX STBC setting 998 // 999 // TODO: 1000 1001 // 1002 // Config DSSS/CCK mode in 40MHz mode 1003 // 1004 // TODO: 1005 pHTInfo->bCurSuppCCK = 1006 ((pHTInfo->bRegSuppCCK)?((pPeerHTCap->DssCCk==1)?true:false):false); 1007 1008 1009 // 1010 // Config and configure A-MSDU setting 1011 // 1012 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; 1013 1014 nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize==0)?3839:7935; 1015 1016 if(pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize ) 1017 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize; 1018 else 1019 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 1020 1021 1022 // 1023 // Config A-MPDU setting 1024 // 1025 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; 1026 1027 // <1> Decide AMPDU Factor 1028 1029 // By Emily 1030 if(!pHTInfo->bRegRT2RTAggregation) 1031 { 1032 // Decide AMPDU Factor according to protocol handshake 1033 if(pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor) 1034 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor; 1035 else 1036 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 1037 1038 }else 1039 { 1040 // Set MPDU density to 2 to Realtek AP, and set it to 0 for others 1041 // Replace MPDU factor declared in original association response frame format. 2007.08.20 by Emily 1042 if (ieee->current_network.bssht.bdRT2RTAggregation) 1043 { 1044 if( ieee->pairwise_key_type != KEY_TYPE_NA) 1045 // Realtek may set 32k in security mode and 64k for others 1046 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor; 1047 else 1048 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K; 1049 }else 1050 { 1051 if(pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K) 1052 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor; 1053 else 1054 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K; 1055 } 1056 } 1057 1058 // <2> Set AMPDU Minimum MPDU Start Spacing 1059 // 802.11n 3.0 section 9.7d.3 1060 if(pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity) 1061 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; 1062 else 1063 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity; 1064 if(ieee->pairwise_key_type != KEY_TYPE_NA ) 1065 pHTInfo->CurrentMPDUDensity = 7; // 8us 1066 // Force TX AMSDU 1067 1068 // Lanhsin: mark for tmp to avoid deauth by ap from s3 1069 //if(memcmp(pMgntInfo->Bssid, NETGEAR834Bv2_BROADCOM, 3)==0) 1070 if(0) 1071 { 1072 1073 pHTInfo->bCurrentAMPDUEnable = false; 1074 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE; 1075 pHTInfo->ForcedAMSDUMaxSize = 7935; 1076 1077 pHTInfo->IOTAction |= HT_IOT_ACT_TX_USE_AMSDU_8K; 1078 } 1079 1080 // Rx Reorder Setting 1081 pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable; 1082 1083 // 1084 // Filter out unsupported HT rate for this AP 1085 // Update RATR table 1086 // This is only for 8190 ,8192 or later product which using firmware to handle rate adaptive mechanism. 1087 // 1088 1089 // Handle Ralink AP bad MCS rate set condition. Joseph. 1090 // This fix the bug of Ralink AP. This may be removed in the future. 1091 if(pPeerHTCap->MCS[0] == 0) 1092 pPeerHTCap->MCS[0] = 0xff; 1093 1094 HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet); 1095 1096 // 1097 // Config MIMO Power Save setting 1098 // 1099 pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave; 1100 if(pHTInfo->PeerMimoPs == MIMO_PS_STATIC) 1101 pMcsFilter = MCS_FILTER_1SS; 1102 else 1103 pMcsFilter = MCS_FILTER_ALL; 1104 //WB add for MCS8 bug 1105// pMcsFilter = MCS_FILTER_1SS; 1106 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, pMcsFilter); 1107 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; 1108 1109 // 1110 // Config current operation mode. 1111 // 1112 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; 1113 1114 1115 1116} 1117 1118void HTSetConnectBwModeCallback(struct ieee80211_device* ieee); 1119/******************************************************************************************************************** 1120 *function: initialize HT info(struct PRT_HIGH_THROUGHPUT) 1121 * input: struct ieee80211_device* ieee 1122 * output: none 1123 * return: none 1124 * notice: This function is called when * (1) MPInitialization Phase * (2) Receiving of Deauthentication from AP 1125********************************************************************************************************************/ 1126// TODO: Should this funciton be called when receiving of Disassociation? 1127void HTInitializeHTInfo(struct ieee80211_device* ieee) 1128{ 1129 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 1130 1131 // 1132 // These parameters will be reset when receiving deauthentication packet 1133 // 1134 IEEE80211_DEBUG(IEEE80211_DL_HT, "===========>%s()\n", __FUNCTION__); 1135 pHTInfo->bCurrentHTSupport = false; 1136 1137 // 40MHz channel support 1138 pHTInfo->bCurBW40MHz = false; 1139 pHTInfo->bCurTxBW40MHz = false; 1140 1141 // Short GI support 1142 pHTInfo->bCurShortGI20MHz = false; 1143 pHTInfo->bCurShortGI40MHz = false; 1144 pHTInfo->bForcedShortGI = false; 1145 1146 // CCK rate support 1147 // This flag is set to true to support CCK rate by default. 1148 // It will be affected by "pHTInfo->bRegSuppCCK" and AP capabilities only when associate to 1149 // 11N BSS. 1150 pHTInfo->bCurSuppCCK = true; 1151 1152 // AMSDU related 1153 pHTInfo->bCurrent_AMSDU_Support = false; 1154 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 1155 1156 // AMPUD related 1157 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; 1158 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 1159 1160 1161 1162 // Initialize all of the parameters related to 11n 1163 memset((void*)(&(pHTInfo->SelfHTCap)), 0, sizeof(pHTInfo->SelfHTCap)); 1164 memset((void*)(&(pHTInfo->SelfHTInfo)), 0, sizeof(pHTInfo->SelfHTInfo)); 1165 memset((void*)(&(pHTInfo->PeerHTCapBuf)), 0, sizeof(pHTInfo->PeerHTCapBuf)); 1166 memset((void*)(&(pHTInfo->PeerHTInfoBuf)), 0, sizeof(pHTInfo->PeerHTInfoBuf)); 1167 1168 pHTInfo->bSwBwInProgress = false; 1169 pHTInfo->ChnlOp = CHNLOP_NONE; 1170 1171 // Set default IEEE spec for Draft N 1172 pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE; 1173 1174 // Realtek proprietary aggregation mode 1175 pHTInfo->bCurrentRT2RTAggregation = false; 1176 pHTInfo->bCurrentRT2RTLongSlotTime = false; 1177 pHTInfo->IOTPeer = 0; 1178 pHTInfo->IOTAction = 0; 1179 1180 //MCS rate initialized here 1181 { 1182 u8* RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]); 1183 RegHTSuppRateSets[0] = 0xFF; //support MCS 0~7 1184 RegHTSuppRateSets[1] = 0xFF; //support MCS 8~15 1185 RegHTSuppRateSets[4] = 0x01; //support MCS 32 1186 } 1187} 1188/******************************************************************************************************************** 1189 *function: initialize Bss HT structure(struct PBSS_HT) 1190 * input: PBSS_HT pBssHT //to be initialized 1191 * output: none 1192 * return: none 1193 * notice: This function is called when initialize network structure 1194********************************************************************************************************************/ 1195void HTInitializeBssDesc(PBSS_HT pBssHT) 1196{ 1197 1198 pBssHT->bdSupportHT = false; 1199 memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf)); 1200 pBssHT->bdHTCapLen = 0; 1201 memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf)); 1202 pBssHT->bdHTInfoLen = 0; 1203 1204 pBssHT->bdHTSpecVer= HT_SPEC_VER_IEEE; 1205 1206 pBssHT->bdRT2RTAggregation = false; 1207 pBssHT->bdRT2RTLongSlotTime = false; 1208} 1209/******************************************************************************************************************** 1210 *function: initialize Bss HT structure(struct PBSS_HT) 1211 * input: struct ieee80211_device *ieee 1212 * struct ieee80211_network *pNetwork //usually current network we are live in 1213 * output: none 1214 * return: none 1215 * notice: This function should ONLY be called before association 1216********************************************************************************************************************/ 1217void HTResetSelfAndSavePeerSetting(struct ieee80211_device* ieee, struct ieee80211_network * pNetwork) 1218{ 1219 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 1220// u16 nMaxAMSDUSize; 1221// PHT_CAPABILITY_ELE pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf; 1222// PHT_INFORMATION_ELE pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf; 1223// u8* pMcsFilter; 1224 u8 bIOTAction = 0; 1225 1226 // 1227 // Save Peer Setting before Association 1228 // 1229 IEEE80211_DEBUG(IEEE80211_DL_HT, "==============>%s()\n", __FUNCTION__); 1230 /*unmark bEnableHT flag here is the same reason why unmarked in function ieee80211_softmac_new_net. WB 2008.09.10*/ 1231// if( pHTInfo->bEnableHT && pNetwork->bssht.bdSupportHT) 1232 if (pNetwork->bssht.bdSupportHT) 1233 { 1234 pHTInfo->bCurrentHTSupport = true; 1235 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer; 1236 1237 // Save HTCap and HTInfo information Element 1238 if(pNetwork->bssht.bdHTCapLen > 0 && pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf)) 1239 memcpy(pHTInfo->PeerHTCapBuf, pNetwork->bssht.bdHTCapBuf, pNetwork->bssht.bdHTCapLen); 1240 1241 if(pNetwork->bssht.bdHTInfoLen > 0 && pNetwork->bssht.bdHTInfoLen <= sizeof(pHTInfo->PeerHTInfoBuf)) 1242 memcpy(pHTInfo->PeerHTInfoBuf, pNetwork->bssht.bdHTInfoBuf, pNetwork->bssht.bdHTInfoLen); 1243 1244 // Check whether RT to RT aggregation mode is enabled 1245 if(pHTInfo->bRegRT2RTAggregation) 1246 { 1247 pHTInfo->bCurrentRT2RTAggregation = pNetwork->bssht.bdRT2RTAggregation; 1248 pHTInfo->bCurrentRT2RTLongSlotTime = pNetwork->bssht.bdRT2RTLongSlotTime; 1249 } 1250 else 1251 { 1252 pHTInfo->bCurrentRT2RTAggregation = false; 1253 pHTInfo->bCurrentRT2RTLongSlotTime = false; 1254 } 1255 1256 // Determine the IOT Peer Vendor. 1257 HTIOTPeerDetermine(ieee); 1258 1259 // Decide IOT Action 1260 // Must be called after the parameter of pHTInfo->bCurrentRT2RTAggregation is decided 1261 pHTInfo->IOTAction = 0; 1262 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid); 1263 if(bIOTAction) 1264 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14; 1265 1266 bIOTAction = HTIOTActIsDisableMCS15(ieee); 1267 if(bIOTAction) 1268 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15; 1269 1270 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee, pNetwork->bssid); 1271 if(bIOTAction) 1272 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS; 1273 1274 1275 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid); 1276 if(bIOTAction) 1277 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO; 1278 1279 bIOTAction = HTIOTActIsMgntUseCCK6M(pNetwork); 1280 if(bIOTAction) 1281 pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M; 1282 1283 bIOTAction = HTIOTActIsCCDFsync(pNetwork->bssid); 1284 if(bIOTAction) 1285 pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC; 1286 1287 1288 } 1289 else 1290 { 1291 pHTInfo->bCurrentHTSupport = false; 1292 pHTInfo->bCurrentRT2RTAggregation = false; 1293 pHTInfo->bCurrentRT2RTLongSlotTime = false; 1294 1295 pHTInfo->IOTAction = 0; 1296 } 1297 1298} 1299 1300void HTUpdateSelfAndPeerSetting(struct ieee80211_device* ieee, struct ieee80211_network * pNetwork) 1301{ 1302 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 1303// PHT_CAPABILITY_ELE pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf; 1304 PHT_INFORMATION_ELE pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf; 1305 1306 if(pHTInfo->bCurrentHTSupport) 1307 { 1308 // 1309 // Config current operation mode. 1310 // 1311 if(pNetwork->bssht.bdHTInfoLen != 0) 1312 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; 1313 1314 // 1315 // <TODO: Config according to OBSS non-HT STA present!!> 1316 // 1317 } 1318} 1319 1320void HTUseDefaultSetting(struct ieee80211_device* ieee) 1321{ 1322 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 1323// u8 regBwOpMode; 1324 1325 if(pHTInfo->bEnableHT) 1326 { 1327 pHTInfo->bCurrentHTSupport = true; 1328 1329 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK; 1330 1331 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz; 1332 1333 pHTInfo->bCurShortGI20MHz= pHTInfo->bRegShortGI20MHz; 1334 1335 pHTInfo->bCurShortGI40MHz= pHTInfo->bRegShortGI40MHz; 1336 1337 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; 1338 1339 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 1340 1341 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; 1342 1343 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 1344 1345 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; 1346 1347 // Set BWOpMode register 1348 1349 //update RATR index0 1350 HTFilterMCSRate(ieee, ieee->Regdot11HTOperationalRateSet, ieee->dot11HTOperationalRateSet); 1351 //function below is not implemented at all. WB 1352#ifdef TODO 1353 Adapter->HalFunc.InitHalRATRTableHandler( Adapter, &pMgntInfo->dot11OperationalRateSet, pMgntInfo->dot11HTOperationalRateSet); 1354#endif 1355 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, MCS_FILTER_ALL); 1356 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; 1357 1358 } 1359 else 1360 { 1361 pHTInfo->bCurrentHTSupport = false; 1362 } 1363 return; 1364} 1365/******************************************************************************************************************** 1366 *function: check whether HT control field exists 1367 * input: struct ieee80211_device *ieee 1368 * u8* pFrame //coming skb->data 1369 * output: none 1370 * return: return true if HT control field exists(false otherwise) 1371 * notice: 1372********************************************************************************************************************/ 1373u8 HTCCheck(struct ieee80211_device* ieee, u8* pFrame) 1374{ 1375 if(ieee->pHTInfo->bCurrentHTSupport) 1376 { 1377 if( (IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) 1378 { 1379 IEEE80211_DEBUG(IEEE80211_DL_HT, "HT CONTROL FILED EXIST!!\n"); 1380 return true; 1381 } 1382 } 1383 return false; 1384} 1385 1386// 1387// This function set bandwidth mode in protocol layer. 1388// 1389void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset) 1390{ 1391 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 1392// u32 flags = 0; 1393 1394 if(pHTInfo->bRegBW40MHz == false) 1395 return; 1396 1397 1398 1399 // To reduce dummy operation 1400// if((pHTInfo->bCurBW40MHz==false && Bandwidth==HT_CHANNEL_WIDTH_20) || 1401// (pHTInfo->bCurBW40MHz==true && Bandwidth==HT_CHANNEL_WIDTH_20_40 && Offset==pHTInfo->CurSTAExtChnlOffset)) 1402// return; 1403 1404// spin_lock_irqsave(&(ieee->bw_spinlock), flags); 1405 if(pHTInfo->bSwBwInProgress) { 1406// spin_unlock_irqrestore(&(ieee->bw_spinlock), flags); 1407 return; 1408 } 1409 //if in half N mode, set to 20M bandwidth please 09.08.2008 WB. 1410 if(Bandwidth==HT_CHANNEL_WIDTH_20_40 && (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))) 1411 { 1412 // Handle Illegal extention channel offset!! 1413 if(ieee->current_network.channel<2 && Offset==HT_EXTCHNL_OFFSET_LOWER) 1414 Offset = HT_EXTCHNL_OFFSET_NO_EXT; 1415 if(Offset==HT_EXTCHNL_OFFSET_UPPER || Offset==HT_EXTCHNL_OFFSET_LOWER) { 1416 pHTInfo->bCurBW40MHz = true; 1417 pHTInfo->CurSTAExtChnlOffset = Offset; 1418 } else { 1419 pHTInfo->bCurBW40MHz = false; 1420 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; 1421 } 1422 } else { 1423 pHTInfo->bCurBW40MHz = false; 1424 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; 1425 } 1426 1427 pHTInfo->bSwBwInProgress = true; 1428 1429 // TODO: 2007.7.13 by Emily Wait 2000ms in order to garantee that switching 1430 // bandwidth is executed after scan is finished. It is a temporal solution 1431 // because software should ganrantee the last operation of switching bandwidth 1432 // is executed properlly. 1433 HTSetConnectBwModeCallback(ieee); 1434 1435// spin_unlock_irqrestore(&(ieee->bw_spinlock), flags); 1436} 1437 1438void HTSetConnectBwModeCallback(struct ieee80211_device* ieee) 1439{ 1440 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 1441 1442 IEEE80211_DEBUG(IEEE80211_DL_HT, "======>%s()\n", __FUNCTION__); 1443 1444 if(pHTInfo->bCurBW40MHz) 1445 { 1446 if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_UPPER) 1447 ieee->set_chan(ieee->dev, ieee->current_network.channel+2); 1448 else if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_LOWER) 1449 ieee->set_chan(ieee->dev, ieee->current_network.channel-2); 1450 else 1451 ieee->set_chan(ieee->dev, ieee->current_network.channel); 1452 1453 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, pHTInfo->CurSTAExtChnlOffset); 1454 } else { 1455 ieee->set_chan(ieee->dev, ieee->current_network.channel); 1456 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT); 1457 } 1458 1459 pHTInfo->bSwBwInProgress = false; 1460} 1461 1462EXPORT_SYMBOL(HTUpdateSelfAndPeerSetting); 1463