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 * You should have received a copy of the GNU General Public License along with 10 * this program; if not, write to the Free Software Foundation, Inc., 11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 12 * 13 * The full GNU General Public License is included in this distribution in the 14 * file called LICENSE. 15 * 16 * Contact Information: 17 * wlanfae <wlanfae@realtek.com> 18******************************************************************************/ 19#include "ieee80211.h" 20#include "rtl819x_HT.h" 21u8 MCS_FILTER_ALL[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 22 23u8 MCS_FILTER_1SS[16] = {0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 24 25u16 MCS_DATA_RATE[2][2][77] = 26 { { {13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78 ,104, 156, 208, 234, 260, 27 39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416, 468, 520, 28 0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182, 182, 208, 156, 195, 29 195, 234, 273, 273, 312, 130, 156, 181, 156, 181, 208, 234, 208, 234, 260, 260, 30 286, 195, 234, 273, 234, 273, 312, 351, 312, 351, 390, 390, 429}, 31 {14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289, 32 43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520, 578, 33 0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231, 173, 217, 34 217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260, 231, 260, 289, 289, 35 318, 217, 260, 303, 260, 303, 347, 390, 347, 390, 433, 433, 477} }, 36 { {27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486, 540, 37 81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648, 864, 972, 1080, 38 12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324, 378, 378, 432, 324, 405, 39 405, 486, 567, 567, 648, 270, 324, 378, 324, 378, 432, 486, 432, 486, 540, 540, 40 594, 405, 486, 567, 486, 567, 648, 729, 648, 729, 810, 810, 891}, 41 {30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540, 600, 42 90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720, 960, 1080, 1200, 43 13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360, 420, 420, 480, 360, 450, 44 450, 540, 630, 630, 720, 300, 360, 420, 360, 420, 480, 540, 480, 540, 600, 600, 45 660, 450, 540, 630, 540, 630, 720, 810, 720, 810, 900, 900, 990} } 46 }; 47 48static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf}; 49static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70}; 50static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e}; 51static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f}; 52static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf}; 53static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc}; 54static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e}; 55static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02}; 56static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0}; 57static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91}; 58static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94}; 59static u8 NETGEAR_BROADCOM[3] = {0x00, 0x1f, 0x33}; 60static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4}; 61 62/******************************************************************************************************************** 63 *function: This function update default settings in pHTInfo structure 64 * input: PRT_HIGH_THROUGHPUT pHTInfo 65 * output: none 66 * return: none 67 * notice: These value need be modified if any changes. 68 * *****************************************************************************************************************/ 69void HTUpdateDefaultSetting(struct ieee80211_device* ieee) 70{ 71 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 72 73 // ShortGI support 74 pHTInfo->bRegShortGI20MHz= 1; 75 pHTInfo->bRegShortGI40MHz= 1; 76 77 // 40MHz channel support 78 pHTInfo->bRegBW40MHz = 1; 79 80 // CCK rate support in 40MHz channel 81 if(pHTInfo->bRegBW40MHz) 82 pHTInfo->bRegSuppCCK = 1; 83 else 84 pHTInfo->bRegSuppCCK = true; 85 86 // AMSDU related 87 pHTInfo->nAMSDU_MaxSize = 7935UL; 88 pHTInfo->bAMSDU_Support = 0; 89 90 // AMPDU related 91 pHTInfo->bAMPDUEnable = 1; //YJ,test,090311 92 pHTInfo->AMPDU_Factor = 2; //// 0: 2n13(8K), 1:2n14(16K), 2:2n15(32K), 3:2n16(64k) 93 pHTInfo->MPDU_Density = 0;// 0: No restriction, 1: 1/8usec, 2: 1/4usec, 3: 1/2usec, 4: 1usec, 5: 2usec, 6: 4usec, 7:8usec 94 95 // MIMO Power Save 96 pHTInfo->SelfMimoPs = 3;// 0: Static Mimo Ps, 1: Dynamic Mimo Ps, 3: No Limitation, 2: Reserved(Set to 3 automatically.) 97 if(pHTInfo->SelfMimoPs == 2) 98 pHTInfo->SelfMimoPs = 3; 99 // 8190 only. Assign rate operation mode to firmware 100 ieee->bTxDisableRateFallBack = 0; 101 ieee->bTxUseDriverAssingedRate = 0; 102 103#ifdef TO_DO_LIST 104 // 8190 only. Assign duration operation mode to firmware 105 pMgntInfo->bTxEnableFwCalcDur = (BOOLEAN)pNdisCommon->bRegTxEnableFwCalcDur; 106#endif 107 // 8190 only, Realtek proprietary aggregation mode 108 // Set MPDUDensity=2, 1: Set MPDUDensity=2(32k) for Realtek AP and set MPDUDensity=0(8k) for others 109 pHTInfo->bRegRT2RTAggregation = 1;//0: Set MPDUDensity=2, 1: Set MPDUDensity=2(32k) for Realtek AP and set MPDUDensity=0(8k) for others 110 111 // For Rx Reorder Control 112 pHTInfo->bRegRxReorderEnable = 1;//YJ,test,090311 113 pHTInfo->RxReorderWinSize = 64; 114 pHTInfo->RxReorderPendingTime = 30; 115 116 117 118} 119/******************************************************************************************************************** 120 *function: This function print out each field on HT capability IE mainly from (Beacon/ProbeRsp/AssocReq) 121 * input: u8* CapIE //Capability IE to be printed out 122 * u8* TitleString //mainly print out caller function 123 * output: none 124 * return: none 125 * notice: Driver should not print out this message by default. 126 * *****************************************************************************************************************/ 127void HTDebugHTCapability(u8* CapIE, u8* TitleString ) 128{ 129 130 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily 131 PHT_CAPABILITY_ELE pCapELE; 132 133 if(!memcmp(CapIE, EWC11NHTCap, sizeof(EWC11NHTCap))) 134 { 135 //EWC IE 136 IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__); 137 pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[4]); 138 }else 139 pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[0]); 140 141 IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Capability>. Called by %s\n", TitleString ); 142 143 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupported Channel Width = %s\n", (pCapELE->ChlWidth)?"20MHz": "20/40MHz"); 144 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport Short GI for 20M = %s\n", (pCapELE->ShortGI20Mhz)?"YES": "NO"); 145 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport Short GI for 40M = %s\n", (pCapELE->ShortGI40Mhz)?"YES": "NO"); 146 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport TX STBC = %s\n", (pCapELE->TxSTBC)?"YES": "NO"); 147 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMax AMSDU Size = %s\n", (pCapELE->MaxAMSDUSize)?"3839": "7935"); 148 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport CCK in 20/40 mode = %s\n", (pCapELE->DssCCk)?"YES": "NO"); 149 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMax AMPDU Factor = %d\n", pCapELE->MaxRxAMPDUFactor); 150 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMPDU Density = %d\n", pCapELE->MPDUDensity); 151 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMCS Rate Set = [%x][%x][%x][%x][%x]\n", pCapELE->MCS[0],\ 152 pCapELE->MCS[1], pCapELE->MCS[2], pCapELE->MCS[3], pCapELE->MCS[4]); 153 return; 154 155} 156/******************************************************************************************************************** 157 *function: This function print out each field on HT Information IE mainly from (Beacon/ProbeRsp) 158 * input: u8* InfoIE //Capability IE to be printed out 159 * u8* TitleString //mainly print out caller function 160 * output: none 161 * return: none 162 * notice: Driver should not print out this message by default. 163 * *****************************************************************************************************************/ 164void HTDebugHTInfo(u8* InfoIE, u8* TitleString) 165{ 166 167 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; // For 11n EWC definition, 2007.07.17, by Emily 168 PHT_INFORMATION_ELE pHTInfoEle; 169 170 if(!memcmp(InfoIE, EWC11NHTInfo, sizeof(EWC11NHTInfo))) 171 { 172 // Not EWC IE 173 IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__); 174 pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[4]); 175 }else 176 pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[0]); 177 178 179 IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Information Element>. Called by %s\n", TitleString); 180 181 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tPrimary channel = %d\n", pHTInfoEle->ControlChl); 182 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSenondary channel ="); 183 switch(pHTInfoEle->ExtChlOffset) 184 { 185 case 0: 186 IEEE80211_DEBUG(IEEE80211_DL_HT, "Not Present\n"); 187 break; 188 case 1: 189 IEEE80211_DEBUG(IEEE80211_DL_HT, "Upper channel\n"); 190 break; 191 case 2: 192 IEEE80211_DEBUG(IEEE80211_DL_HT, "Reserved. Eooro!!!\n"); 193 break; 194 case 3: 195 IEEE80211_DEBUG(IEEE80211_DL_HT, "Lower Channel\n"); 196 break; 197 } 198 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tRecommended channel width = %s\n", (pHTInfoEle->RecommemdedTxWidth)?"20Mhz": "40Mhz"); 199 200 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tOperation mode for protection = "); 201 switch(pHTInfoEle->OptMode) 202 { 203 case 0: 204 IEEE80211_DEBUG(IEEE80211_DL_HT, "No Protection\n"); 205 break; 206 case 1: 207 IEEE80211_DEBUG(IEEE80211_DL_HT, "HT non-member protection mode\n"); 208 break; 209 case 2: 210 IEEE80211_DEBUG(IEEE80211_DL_HT, "Suggest to open protection\n"); 211 break; 212 case 3: 213 IEEE80211_DEBUG(IEEE80211_DL_HT, "HT mixed mode\n"); 214 break; 215 } 216 217 IEEE80211_DEBUG(IEEE80211_DL_HT, "\tBasic MCS Rate Set = [%x][%x][%x][%x][%x]\n", pHTInfoEle->BasicMSC[0],\ 218 pHTInfoEle->BasicMSC[1], pHTInfoEle->BasicMSC[2], pHTInfoEle->BasicMSC[3], pHTInfoEle->BasicMSC[4]); 219 return; 220} 221 222/* 223* Return: true if station in half n mode and AP supports 40 bw 224*/ 225bool IsHTHalfNmode40Bandwidth(struct ieee80211_device* ieee) 226{ 227 bool retValue = false; 228 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 229 230 if(pHTInfo->bCurrentHTSupport == false ) // wireless is n mode 231 retValue = false; 232 else if(pHTInfo->bRegBW40MHz == false) // station supports 40 bw 233 retValue = false; 234 else if(!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) // station in half n mode 235 retValue = false; 236 else if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ChlWidth) // ap support 40 bw 237 retValue = true; 238 else 239 retValue = false; 240 241 return retValue; 242} 243 244bool IsHTHalfNmodeSGI(struct ieee80211_device* ieee, bool is40MHz) 245{ 246 bool retValue = false; 247 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 248 249 if(pHTInfo->bCurrentHTSupport == false ) // wireless is n mode 250 retValue = false; 251 else if(!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) // station in half n mode 252 retValue = false; 253 else if(is40MHz) // ap support 40 bw 254 { 255 if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI40Mhz) // ap support 40 bw short GI 256 retValue = true; 257 else 258 retValue = false; 259 } 260 else 261 { 262 if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI20Mhz) // ap support 40 bw short GI 263 retValue = true; 264 else 265 retValue = false; 266 } 267 268 return retValue; 269} 270 271u16 HTHalfMcsToDataRate(struct ieee80211_device* ieee, u8 nMcsRate) 272{ 273 274 u8 is40MHz; 275 u8 isShortGI; 276 277 is40MHz = (IsHTHalfNmode40Bandwidth(ieee))?1:0; 278 isShortGI = (IsHTHalfNmodeSGI(ieee, is40MHz))? 1:0; 279 280 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)]; 281} 282 283 284u16 HTMcsToDataRate( struct ieee80211_device* ieee, u8 nMcsRate) 285{ 286 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 287 288 u8 is40MHz = (pHTInfo->bCurBW40MHz)?1:0; 289 u8 isShortGI = (pHTInfo->bCurBW40MHz)? 290 ((pHTInfo->bCurShortGI40MHz)?1:0): 291 ((pHTInfo->bCurShortGI20MHz)?1:0); 292 return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)]; 293} 294 295/******************************************************************************************************************** 296 *function: This function returns current datarate. 297 * input: struct ieee80211_device* ieee 298 * u8 nDataRate 299 * output: none 300 * return: tx rate 301 * notice: quite unsure about how to use this function //wb 302 * *****************************************************************************************************************/ 303u16 TxCountToDataRate( struct ieee80211_device* ieee, u8 nDataRate) 304{ 305 u16 CCKOFDMRate[12] = {0x02 , 0x04 , 0x0b , 0x16 , 0x0c , 0x12 , 0x18 , 0x24 , 0x30 , 0x48 , 0x60 , 0x6c}; 306 u8 is40MHz = 0; 307 u8 isShortGI = 0; 308 309 if(nDataRate < 12) 310 { 311 return CCKOFDMRate[nDataRate]; 312 } 313 else 314 { 315 if (nDataRate >= 0x10 && nDataRate <= 0x1f)//if(nDataRate > 11 && nDataRate < 28 ) 316 { 317 is40MHz = 0; 318 isShortGI = 0; 319 320 } 321 else if(nDataRate >=0x20 && nDataRate <= 0x2f ) //(27, 44) 322 { 323 is40MHz = 1; 324 isShortGI = 0; 325 326 } 327 else if(nDataRate >= 0x30 && nDataRate <= 0x3f ) //(43, 60) 328 { 329 is40MHz = 0; 330 isShortGI = 1; 331 332 } 333 else if(nDataRate >= 0x40 && nDataRate <= 0x4f ) //(59, 76) 334 { 335 is40MHz = 1; 336 isShortGI = 1; 337 338 } 339 return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf]; 340 } 341} 342 343 344 345bool IsHTHalfNmodeAPs(struct ieee80211_device* ieee) 346{ 347 bool retValue = false; 348 struct ieee80211_network* net = &ieee->current_network; 349 350 if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) || 351 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) || 352 (memcmp(net->bssid, PCI_RALINK, 3)==0) || 353 (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) || 354 (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) || 355 (net->ralink_cap_exist)) 356 retValue = true; 357 else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) || 358 (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)|| 359 (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)|| 360 (net->broadcom_cap_exist)) 361 retValue = true; 362 else if(net->bssht.bdRT2RTAggregation) 363 retValue = true; 364 else 365 retValue = false; 366 367 return retValue; 368} 369 370/******************************************************************************************************************** 371 *function: This function returns peer IOT. 372 * input: struct ieee80211_device* ieee 373 * output: none 374 * return: 375 * notice: 376 * *****************************************************************************************************************/ 377void HTIOTPeerDetermine(struct ieee80211_device* ieee) 378{ 379 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 380 struct ieee80211_network* net = &ieee->current_network; 381 if(net->bssht.bdRT2RTAggregation){ 382 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK; 383 if(net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE){ 384 pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE; 385 } 386 if(net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP){ 387 pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP; 388 } 389 } 390 else if(net->broadcom_cap_exist) 391 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; 392 else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) || 393 (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)|| 394 (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)) 395 pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; 396 else if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) || 397 (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) || 398 (memcmp(net->bssid, PCI_RALINK, 3)==0) || 399 (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) || 400 (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) || 401 net->ralink_cap_exist) 402 pHTInfo->IOTPeer = HT_IOT_PEER_RALINK; 403 else if((net->atheros_cap_exist )|| 404 (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0)|| 405 (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0)) 406 pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS; 407 else if ((memcmp(net->bssid, CISCO_BROADCOM, 3)==0)||net->cisco_cap_exist) 408 pHTInfo->IOTPeer = HT_IOT_PEER_CISCO; 409 else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) || 410 net->marvell_cap_exist) 411 pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL; 412 else 413 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; 414 415 IEEE80211_DEBUG(IEEE80211_DL_IOT, "Joseph debug!! IOTPEER: %x\n", pHTInfo->IOTPeer); 416} 417/******************************************************************************************************************** 418 *function: Check whether driver should declare received rate up to MCS13 only since some chipset is not good 419 * at receiving MCS14~15 frame from some AP. 420 * input: struct ieee80211_device* ieee 421 * u8 * PeerMacAddr 422 * output: none 423 * return: return 1 if driver should declare MCS13 only(otherwise return 0) 424 * *****************************************************************************************************************/ 425u8 HTIOTActIsDisableMCS14(struct ieee80211_device* ieee, u8* PeerMacAddr) 426{ 427 u8 ret = 0; 428 429 return ret; 430 } 431 432 433/** 434* Function: HTIOTActIsDisableMCS15 435* 436* Overview: Check whether driver should declare capability of receving MCS15 437* 438* Input: 439* PADAPTER Adapter, 440* 441* Output: None 442* Return: true if driver should disable MCS15 443* 2008.04.15 Emily 444*/ 445bool HTIOTActIsDisableMCS15(struct ieee80211_device* ieee) 446{ 447 bool retValue = false; 448 return retValue; 449} 450 451/** 452* Function: HTIOTActIsDisableMCSTwoSpatialStream 453* 454* Overview: Check whether driver should declare capability of receving All 2 ss packets 455* 456* Input: 457* PADAPTER Adapter, 458* 459* Output: None 460* Return: true if driver should disable all two spatial stream packet 461* 2008.04.21 Emily 462*/ 463bool HTIOTActIsDisableMCSTwoSpatialStream(struct ieee80211_device* ieee) 464{ 465 bool retValue = false; 466#ifdef TODO 467 // Apply for 819u only 468//#if (HAL_CODE_BASE==RTL8192) 469 470 //This rule only apply to Belkin(Ralink) AP 471 if(IS_UNDER_11N_AES_MODE(Adapter)) 472 { 473 if((PlatformCompareMemory(PeerMacAddr, BELKINF5D8233V1_RALINK, 3)==0) || 474 (PlatformCompareMemory(PeerMacAddr, PCI_RALINK, 3)==0) || 475 (PlatformCompareMemory(PeerMacAddr, EDIMAX_RALINK, 3)==0)) 476 { 477 //Set True to disable this function. Disable by default, Emily, 2008.04.23 478 retValue = false; 479 } 480 } 481 482//#endif 483#endif 484 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 485 if(ieee->is_ap_in_wep_tkip && ieee->is_ap_in_wep_tkip(ieee->dev)) 486 { 487 if( (pHTInfo->IOTPeer != HT_IOT_PEER_ATHEROS) && 488 (pHTInfo->IOTPeer != HT_IOT_PEER_UNKNOWN) && 489 (pHTInfo->IOTPeer != HT_IOT_PEER_MARVELL) ) 490 retValue = true; 491 } 492 return retValue; 493} 494 495/******************************************************************************************************************** 496 *function: Check whether driver should disable EDCA turbo mode 497 * input: struct ieee80211_device* ieee 498 * u8* PeerMacAddr 499 * output: none 500 * return: return 1 if driver should disable EDCA turbo mode(otherwise return 0) 501 * *****************************************************************************************************************/ 502u8 HTIOTActIsDisableEDCATurbo(struct ieee80211_device* ieee, u8* PeerMacAddr) 503{ 504 u8 retValue = false; // default enable EDCA Turbo mode. 505 // Set specific EDCA parameter for different AP in DM handler. 506 507 return retValue; 508} 509 510/******************************************************************************************************************** 511 *function: Check whether we need to use OFDM to sned MGNT frame for broadcom AP 512 * input: struct ieee80211_network *network //current network we live 513 * output: none 514 * return: return 1 if true 515 * *****************************************************************************************************************/ 516u8 HTIOTActIsMgntUseCCK6M(struct ieee80211_network *network) 517{ 518 u8 retValue = 0; 519 520 // 2008/01/25 MH Judeg if we need to use OFDM to sned MGNT frame for broadcom AP. 521 // 2008/01/28 MH We must prevent that we select null bssid to link. 522 523 if(network->broadcom_cap_exist) 524 { 525 retValue = 1; 526 } 527 528 return retValue; 529} 530 531u8 HTIOTActIsForcedCTS2Self(struct ieee80211_network *network) 532{ 533 u8 retValue = 0; 534 535 if(network->marvell_cap_exist) 536 { 537 retValue = 1; 538 } 539 540 return retValue; 541} 542 543u8 HTIOTActIsForcedRTSCTS(struct ieee80211_device *ieee, struct ieee80211_network *network) 544{ 545 u8 retValue = 0; 546 printk("============>%s(), %d\n", __FUNCTION__, network->realtek_cap_exit); 547 // Force protection 548 if(ieee->pHTInfo->bCurrentHTSupport) 549 { 550 //if(!network->realtek_cap_exit) 551 if((ieee->pHTInfo->IOTPeer != HT_IOT_PEER_REALTEK)&& 552 (ieee->pHTInfo->IOTPeer != HT_IOT_PEER_REALTEK_92SE)) 553 { 554 if((ieee->pHTInfo->IOTAction & HT_IOT_ACT_TX_NO_AGGREGATION) == 0) 555 retValue = 1; 556 } 557 } 558 return retValue; 559} 560 561u8 562HTIOTActIsForcedAMSDU8K(struct ieee80211_device *ieee, struct ieee80211_network *network) 563{ 564 u8 retValue = 0; 565 566 return retValue; 567} 568 569u8 HTIOTActIsCCDFsync(u8* PeerMacAddr) 570{ 571 u8 retValue = 0; 572 if( (memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0) || 573 (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0) || 574 (memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ==0)) 575 { 576 retValue = 1; 577 } 578 return retValue; 579} 580 581/* 582 * 819xS single chip b-cut series cannot handle BAR 583 */ 584u8 585HTIOCActRejcectADDBARequest(struct ieee80211_network *network) 586{ 587 u8 retValue = 0; 588 //if(IS_HARDWARE_TYPE_8192SE(Adapter) || 589 // IS_HARDWARE_TYPE_8192SU(Adapter) 590 //) 591 { 592 // Do not reject ADDBA REQ because some of the AP may 593 // keep on sending ADDBA REQ qhich cause DHCP fail or ping loss! 594 // by HPFan, 2008/12/30 595 596 //if(pBssDesc->Vender == HT_IOT_PEER_MARVELL) 597 // return FALSE; 598 599 } 600 601 return retValue; 602 603} 604 605/* 606 * EDCA parameters bias on downlink 607 */ 608 u8 609 HTIOTActIsEDCABiasRx(struct ieee80211_device* ieee,struct ieee80211_network *network) 610{ 611 u8 retValue = 0; 612 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 613 { 614 if(pHTInfo->IOTPeer==HT_IOT_PEER_ATHEROS || 615 pHTInfo->IOTPeer==HT_IOT_PEER_BROADCOM || 616 pHTInfo->IOTPeer==HT_IOT_PEER_RALINK) 617 return 1; 618 619 } 620 return retValue; 621} 622 623u8 624HTIOTActDisableShortGI(struct ieee80211_device* ieee,struct ieee80211_network *network) 625{ 626 u8 retValue = 0; 627 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 628 629 if(pHTInfo->IOTPeer==HT_IOT_PEER_RALINK) 630 { 631 retValue = 1; 632 } 633 634 return retValue; 635} 636 637u8 638HTIOTActDisableHighPower(struct ieee80211_device* ieee,struct ieee80211_network *network) 639{ 640 u8 retValue = 0; 641 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 642 643 if(pHTInfo->IOTPeer==HT_IOT_PEER_RALINK || 644 pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK || 645 pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK_92SE) 646 { 647 retValue = 1; 648 } 649 650 return retValue; 651} 652 653void 654HTIOTActDetermineRaFunc(struct ieee80211_device* ieee, bool bPeerRx2ss) 655{ 656 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 657 pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL; 658 659 if(pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss) 660 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R; 661 662 if(pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE) 663 pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU; 664 665 printk("!!!!!!!!!!!!!!!!!!!!!!!!!!!IOTRaFunc = %8.8x\n", pHTInfo->IOTRaFunc); 666} 667 668 669u8 670HTIOTActIsDisableTx40MHz(struct ieee80211_device* ieee,struct ieee80211_network *network) 671{ 672 u8 retValue = 0; 673 674 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 675 if( (KEY_TYPE_WEP104 == ieee->pairwise_key_type) || 676 (KEY_TYPE_WEP40 == ieee->pairwise_key_type) || 677 (KEY_TYPE_WEP104 == ieee->group_key_type) || 678 (KEY_TYPE_WEP40 == ieee->group_key_type) || 679 (KEY_TYPE_TKIP == ieee->pairwise_key_type) ) 680 { 681 if((pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK) && (network->bssht.bdSupportHT)) 682 retValue = 1; 683 } 684 685 return retValue; 686} 687 688u8 689HTIOTActIsTxNoAggregation(struct ieee80211_device* ieee,struct ieee80211_network *network) 690{ 691 u8 retValue = 0; 692 693 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 694 if( (KEY_TYPE_WEP104 == ieee->pairwise_key_type) || 695 (KEY_TYPE_WEP40 == ieee->pairwise_key_type) || 696 (KEY_TYPE_WEP104 == ieee->group_key_type) || 697 (KEY_TYPE_WEP40 == ieee->group_key_type) || 698 (KEY_TYPE_TKIP == ieee->pairwise_key_type) ) 699 { 700 if(pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK) 701 retValue = 1; 702 } 703 704 return retValue; 705} 706 707 708u8 709HTIOTActIsDisableTx2SS(struct ieee80211_device* ieee,struct ieee80211_network *network) 710{ 711 u8 retValue = 0; 712 713 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 714 if( (KEY_TYPE_WEP104 == ieee->pairwise_key_type) || 715 (KEY_TYPE_WEP40 == ieee->pairwise_key_type) || 716 (KEY_TYPE_WEP104 == ieee->group_key_type) || 717 (KEY_TYPE_WEP40 == ieee->group_key_type) || 718 (KEY_TYPE_TKIP == ieee->pairwise_key_type) ) 719 { 720 if((pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK) && (network->bssht.bdSupportHT)) 721 retValue = 1; 722 } 723 724 return retValue; 725} 726 727 728bool HTIOCActAllowPeerAggOnePacket(struct ieee80211_device* ieee,struct ieee80211_network *network) 729{ 730 bool retValue = false; 731 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 732 if(pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) 733 { 734 if((memcmp(network->bssid, NETGEAR_BROADCOM, 3)==0) 735 && (network->bssht.bdBandWidth == HT_CHANNEL_WIDTH_20_40)) 736 return true; 737 } 738 return retValue; 739} 740 741void HTResetIOTSetting( 742 PRT_HIGH_THROUGHPUT pHTInfo 743) 744{ 745 pHTInfo->IOTAction = 0; 746 pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; 747 pHTInfo->IOTRaFunc = 0; 748} 749 750 751/******************************************************************************************************************** 752 *function: Construct Capablility Element in Beacon... if HTEnable is turned on 753 * input: struct ieee80211_device* ieee 754 * u8* posHTCap //pointer to store Capability Ele 755 * u8* len //store length of CE 756 * u8 IsEncrypt //whether encrypt, needed further 757 * output: none 758 * return: none 759 * notice: posHTCap can't be null and should be initialized before. 760 * *****************************************************************************************************************/ 761void HTConstructCapabilityElement(struct ieee80211_device* ieee, u8* posHTCap, u8* len, u8 IsEncrypt) 762{ 763 PRT_HIGH_THROUGHPUT pHT = ieee->pHTInfo; 764 PHT_CAPABILITY_ELE pCapELE = NULL; 765 766 if ((posHTCap == NULL) || (pHT == NULL)) 767 { 768 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTCap or pHTInfo can't be null in HTConstructCapabilityElement()\n"); 769 return; 770 } 771 memset(posHTCap, 0, *len); 772 if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC) 773 { 774 u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily 775 memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap)); 776 pCapELE = (PHT_CAPABILITY_ELE)&(posHTCap[4]); 777 }else 778 { 779 pCapELE = (PHT_CAPABILITY_ELE)posHTCap; 780 } 781 782 783 //HT capability info 784 pCapELE->AdvCoding = 0; // This feature is not supported now!! 785 if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 786 { 787 pCapELE->ChlWidth = 0; 788 } 789 else 790 { 791 pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0); 792 } 793 794 pCapELE->MimoPwrSave = pHT->SelfMimoPs; 795 pCapELE->GreenField = 0; // This feature is not supported now!! 796 pCapELE->ShortGI20Mhz = 1; // We can receive Short GI!! 797 pCapELE->ShortGI40Mhz = 1; // We can receive Short GI!! 798 799 pCapELE->TxSTBC = 1; 800 pCapELE->RxSTBC = 0; 801 pCapELE->DelayBA = 0; // Do not support now!! 802 pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE>=7935)?1:0; 803 pCapELE->DssCCk = ((pHT->bRegBW40MHz)?(pHT->bRegSuppCCK?1:0):0); 804 pCapELE->PSMP = 0; // Do not support now!! 805 pCapELE->LSigTxopProtect = 0; // Do not support now!! 806 807 808 //MAC HT parameters info 809 // TODO: Nedd to take care of this part 810 IEEE80211_DEBUG(IEEE80211_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk); 811 812 if( IsEncrypt) 813 { 814 pCapELE->MPDUDensity = 7; // 8us 815 pCapELE->MaxRxAMPDUFactor = 2; // 2 is for 32 K and 3 is 64K 816 } 817 else 818 { 819 pCapELE->MaxRxAMPDUFactor = 3; // 2 is for 32 K and 3 is 64K 820 pCapELE->MPDUDensity = 0; // no density 821 } 822 823 //Supported MCS set 824 memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16); 825 if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15) 826 pCapELE->MCS[1] &= 0x7f; 827 828 if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14) 829 pCapELE->MCS[1] &= 0xbf; 830 831 if(pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS) 832 pCapELE->MCS[1] &= 0x00; 833 834 // 2008.06.12 835 // For RTL819X, if pairwisekey = wep/tkip, ap is ralink, we support only MCS0~7. 836 if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 837 { 838 int i; 839 for(i = 1; i< 16; i++) 840 pCapELE->MCS[i] = 0; 841 } 842 843 //Extended HT Capability Info 844 memset(&pCapELE->ExtHTCapInfo, 0, 2); 845 846 847 //TXBF Capabilities 848 memset(pCapELE->TxBFCap, 0, 4); 849 850 //Antenna Selection Capabilities 851 pCapELE->ASCap = 0; 852//add 2 to give space for element ID and len when construct frames 853 if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC) 854 *len = 30 + 2; 855 else 856 *len = 26 + 2; 857 858 return; 859 860} 861/******************************************************************************************************************** 862 *function: Construct Information Element in Beacon... if HTEnable is turned on 863 * input: struct ieee80211_device* ieee 864 * u8* posHTCap //pointer to store Information Ele 865 * u8* len //store len of 866 * u8 IsEncrypt //whether encrypt, needed further 867 * output: none 868 * return: none 869 * notice: posHTCap can't be null and be initialized before. only AP and IBSS sta should do this 870 * *****************************************************************************************************************/ 871void HTConstructInfoElement(struct ieee80211_device* ieee, u8* posHTInfo, u8* len, u8 IsEncrypt) 872{ 873 PRT_HIGH_THROUGHPUT pHT = ieee->pHTInfo; 874 PHT_INFORMATION_ELE pHTInfoEle = (PHT_INFORMATION_ELE)posHTInfo; 875 if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) 876 { 877 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTInfo or pHTInfoEle can't be null in HTConstructInfoElement()\n"); 878 return; 879 } 880 881 memset(posHTInfo, 0, *len); 882 if ( (ieee->iw_mode == IW_MODE_ADHOC) || (ieee->iw_mode == IW_MODE_MASTER)) //ap mode is not currently supported 883 { 884 pHTInfoEle->ControlChl = ieee->current_network.channel; 885 pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false)?HT_EXTCHNL_OFFSET_NO_EXT: 886 (ieee->current_network.channel<=6)? 887 HT_EXTCHNL_OFFSET_UPPER:HT_EXTCHNL_OFFSET_LOWER); 888 pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz; 889 pHTInfoEle->RIFS = 0; 890 pHTInfoEle->PSMPAccessOnly = 0; 891 pHTInfoEle->SrvIntGranularity = 0; 892 pHTInfoEle->OptMode = pHT->CurrentOpMode; 893 pHTInfoEle->NonGFDevPresent = 0; 894 pHTInfoEle->DualBeacon = 0; 895 pHTInfoEle->SecondaryBeacon = 0; 896 pHTInfoEle->LSigTxopProtectFull = 0; 897 pHTInfoEle->PcoActive = 0; 898 pHTInfoEle->PcoPhase = 0; 899 900 memset(pHTInfoEle->BasicMSC, 0, 16); 901 902 903 *len = 22 + 2; //same above 904 905 } 906 else 907 { 908 //STA should not generate High Throughput Information Element 909 *len = 0; 910 } 911 return; 912} 913 914/* 915 * According to experiment, Realtek AP to STA (based on rtl8190) may achieve best performance 916 * if both STA and AP set limitation of aggregation size to 32K, that is, set AMPDU density to 2 917 * (Ref: IEEE 11n specification). However, if Realtek STA associates to other AP, STA should set 918 * limitation of aggregation size to 8K, otherwise, performance of traffic stream from STA to AP 919 * will be much less than the traffic stream from AP to STA if both of the stream runs concurrently 920 * at the same time. 921 * 922 * Frame Format 923 * Element ID Length OUI Type1 Reserved 924 * 1 byte 1 byte 3 bytes 1 byte 1 byte 925 * 926 * OUI = 0x00, 0xe0, 0x4c, 927 * Type = 0x02 928 * Reserved = 0x00 929 * 930 * 2007.8.21 by Emily 931*/ 932/******************************************************************************************************************** 933 *function: Construct Information Element in Beacon... in RT2RT condition 934 * input: struct ieee80211_device* ieee 935 * u8* posRT2RTAgg //pointer to store Information Ele 936 * u8* len //store len 937 * output: none 938 * return: none 939 * notice: 940 * *****************************************************************************************************************/ 941void HTConstructRT2RTAggElement(struct ieee80211_device* ieee, u8* posRT2RTAgg, u8* len) 942{ 943 if (posRT2RTAgg == NULL) { 944 IEEE80211_DEBUG(IEEE80211_DL_ERR, "posRT2RTAgg can't be null in HTConstructRT2RTAggElement()\n"); 945 return; 946 } 947 memset(posRT2RTAgg, 0, *len); 948 *posRT2RTAgg++ = 0x00; 949 *posRT2RTAgg++ = 0xe0; 950 *posRT2RTAgg++ = 0x4c; 951 *posRT2RTAgg++ = 0x02; 952 *posRT2RTAgg++ = 0x01; 953 *posRT2RTAgg = 0x10;//*posRT2RTAgg = 0x02; 954 955 if(ieee->bSupportRemoteWakeUp) { 956 *posRT2RTAgg |= 0x08;//RT_HT_CAP_USE_WOW; 957 } 958 959 *len = 6 + 2; 960 return; 961#ifdef TODO 962#if(HAL_CODE_BASE == RTL8192 && DEV_BUS_TYPE == USB_INTERFACE) 963 /* 964 //Emily. If it is required to Ask Realtek AP to send AMPDU during AES mode, enable this 965 section of code. 966 if(IS_UNDER_11N_AES_MODE(Adapter)) 967 { 968 posRT2RTAgg->Octet[5] |=RT_HT_CAP_USE_AMPDU; 969 }else 970 { 971 posRT2RTAgg->Octet[5] &= 0xfb; 972 } 973 */ 974 975#else 976#endif 977 978 posRT2RTAgg->Length = 6; 979#endif 980 981 982 983 984} 985 986 987/******************************************************************************************************************** 988 *function: Pick the right Rate Adaptive table to use 989 * input: struct ieee80211_device* ieee 990 * u8* pOperateMCS //A pointer to MCS rate bitmap 991 * return: always we return true 992 * notice: 993 * *****************************************************************************************************************/ 994u8 HT_PickMCSRate(struct ieee80211_device* ieee, u8* pOperateMCS) 995{ 996 u8 i; 997 if (pOperateMCS == NULL) 998 { 999 IEEE80211_DEBUG(IEEE80211_DL_ERR, "pOperateMCS can't be null in HT_PickMCSRate()\n"); 1000 return false; 1001 } 1002 1003 switch(ieee->mode) 1004 { 1005 case IEEE_A: 1006 case IEEE_B: 1007 case IEEE_G: 1008 //legacy rate routine handled at selectedrate 1009 1010 //no MCS rate 1011 for(i=0;i<=15;i++){ 1012 pOperateMCS[i] = 0; 1013 } 1014 break; 1015 1016 case IEEE_N_24G: //assume CCK rate ok 1017 case IEEE_N_5G: 1018 // Legacy part we only use 6, 5.5,2,1 for N_24G and 6 for N_5G. 1019 // Legacy part shall be handled at SelectRateSet(). 1020 1021 //HT part 1022 // TODO: may be different if we have different number of antenna 1023 pOperateMCS[0] &=RATE_ADPT_1SS_MASK; //support MCS 0~7 1024 pOperateMCS[1] &=RATE_ADPT_2SS_MASK; 1025 pOperateMCS[3] &=RATE_ADPT_MCS32_MASK; 1026 break; 1027 1028 //should never reach here 1029 default: 1030 1031 break; 1032 1033 } 1034 1035 return true; 1036} 1037 1038/* 1039* Description: 1040* This function will get the highest speed rate in input MCS set. 1041* 1042* /param Adapter Pionter to Adapter entity 1043* pMCSRateSet Pointer to MCS rate bitmap 1044* pMCSFilter Pointer to MCS rate filter 1045* 1046* /return Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter. 1047* 1048*/ 1049/******************************************************************************************************************** 1050 *function: This function will get the highest speed rate in input MCS set. 1051 * input: struct ieee80211_device* ieee 1052 * u8* pMCSRateSet //Pointer to MCS rate bitmap 1053 * u8* pMCSFilter //Pointer to MCS rate filter 1054 * return: Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter 1055 * notice: 1056 * *****************************************************************************************************************/ 1057u8 HTGetHighestMCSRate(struct ieee80211_device* ieee, u8* pMCSRateSet, u8* pMCSFilter) 1058{ 1059 u8 i, j; 1060 u8 bitMap; 1061 u8 mcsRate = 0; 1062 u8 availableMcsRate[16]; 1063 if (pMCSRateSet == NULL || pMCSFilter == NULL) 1064 { 1065 IEEE80211_DEBUG(IEEE80211_DL_ERR, "pMCSRateSet or pMCSFilter can't be null in HTGetHighestMCSRate()\n"); 1066 return false; 1067 } 1068 for(i=0; i<16; i++) 1069 availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i]; 1070 1071 for(i = 0; i < 16; i++) 1072 { 1073 if(availableMcsRate[i] != 0) 1074 break; 1075 } 1076 if(i == 16) 1077 return false; 1078 1079 for(i = 0; i < 16; i++) 1080 { 1081 if(availableMcsRate[i] != 0) 1082 { 1083 bitMap = availableMcsRate[i]; 1084 for(j = 0; j < 8; j++) 1085 { 1086 if((bitMap%2) != 0) 1087 { 1088 if(HTMcsToDataRate(ieee, (8*i+j)) > HTMcsToDataRate(ieee, mcsRate)) 1089 mcsRate = (8*i+j); 1090 } 1091 bitMap = bitMap>>1; 1092 } 1093 } 1094 } 1095 return (mcsRate|0x80); 1096} 1097 1098 1099 1100/* 1101** 1102**1.Filter our operation rate set with AP's rate set 1103**2.shall reference channel bandwidth, STBC, Antenna number 1104**3.generate rate adative table for firmware 1105**David 20060906 1106** 1107** \pHTSupportedCap: the connected STA's supported rate Capability element 1108*/ 1109u8 HTFilterMCSRate( struct ieee80211_device* ieee, u8* pSupportMCS, u8* pOperateMCS) 1110{ 1111 1112 u8 i=0; 1113 1114 // filter out operational rate set not supported by AP, the lenth of it is 16 1115 for(i=0;i<=15;i++){ 1116 pOperateMCS[i] = ieee->Regdot11HTOperationalRateSet[i]&pSupportMCS[i]; 1117 } 1118 1119 1120 // TODO: adjust our operational rate set according to our channel bandwidth, STBC and Antenna number 1121 1122 // TODO: fill suggested rate adaptive rate index and give firmware info using Tx command packet 1123 // we also shall suggested the first start rate set according to our singal strength 1124 HT_PickMCSRate(ieee, pOperateMCS); 1125 1126 // For RTL819X, if pairwisekey = wep/tkip, we support only MCS0~7. 1127 if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) 1128 pOperateMCS[1] = 0; 1129 1130 // 1131 // For RTL819X, we support only MCS0~15. 1132 // And also, we do not know how to use MCS32 now. 1133 // 1134 for(i=2; i<=15; i++) 1135 pOperateMCS[i] = 0; 1136 1137 return true; 1138} 1139void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset); 1140 1141void HTOnAssocRsp(struct ieee80211_device *ieee) 1142{ 1143 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 1144 PHT_CAPABILITY_ELE pPeerHTCap = NULL; 1145 PHT_INFORMATION_ELE pPeerHTInfo = NULL; 1146 u16 nMaxAMSDUSize = 0; 1147 u8* pMcsFilter = NULL; 1148 1149 static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily 1150 static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; // For 11n EWC definition, 2007.07.17, by Emily 1151 1152 if( pHTInfo->bCurrentHTSupport == false ) 1153 { 1154 IEEE80211_DEBUG(IEEE80211_DL_ERR, "<=== HTOnAssocRsp(): HT_DISABLE\n"); 1155 return; 1156 } 1157 IEEE80211_DEBUG(IEEE80211_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n"); 1158 1159 if(!memcmp(pHTInfo->PeerHTCapBuf,EWC11NHTCap, sizeof(EWC11NHTCap))) 1160 pPeerHTCap = (PHT_CAPABILITY_ELE)(&pHTInfo->PeerHTCapBuf[4]); 1161 else 1162 pPeerHTCap = (PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf); 1163 1164 if(!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo))) 1165 pPeerHTInfo = (PHT_INFORMATION_ELE)(&pHTInfo->PeerHTInfoBuf[4]); 1166 else 1167 pPeerHTInfo = (PHT_INFORMATION_ELE)(pHTInfo->PeerHTInfoBuf); 1168 1169 1170 //////////////////////////////////////////////////////// 1171 // Configurations: 1172 //////////////////////////////////////////////////////// 1173 IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTCap, sizeof(HT_CAPABILITY_ELE)); 1174 1175 HTSetConnectBwMode(ieee, (HT_CHANNEL_WIDTH)(pPeerHTCap->ChlWidth), (HT_EXTCHNL_OFFSET)(pPeerHTInfo->ExtChlOffset)); 1176 1177 if(pHTInfo->bCurBW40MHz == true) 1178 pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1)?true:false); 1179 1180 // 1181 // Update short GI/ long GI setting 1182 // 1183 // TODO: 1184 pHTInfo->bCurShortGI20MHz= 1185 ((pHTInfo->bRegShortGI20MHz)?((pPeerHTCap->ShortGI20Mhz==1)?true:false):false); 1186 pHTInfo->bCurShortGI40MHz= 1187 ((pHTInfo->bRegShortGI40MHz)?((pPeerHTCap->ShortGI40Mhz==1)?true:false):false); 1188 1189 // 1190 // Config TX STBC setting 1191 // 1192 // TODO: 1193 1194 // 1195 // Config DSSS/CCK mode in 40MHz mode 1196 // 1197 // TODO: 1198 pHTInfo->bCurSuppCCK = 1199 ((pHTInfo->bRegSuppCCK)?((pPeerHTCap->DssCCk==1)?true:false):false); 1200 1201 1202 // 1203 // Config and configure A-MSDU setting 1204 // 1205 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; 1206 1207 nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize==0)?3839:7935; 1208 1209 if(pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize ) 1210 pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize; 1211 else 1212 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 1213 1214 // 1215 // Config A-MPDU setting 1216 // 1217 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; 1218 if(ieee->is_ap_in_wep_tkip && ieee->is_ap_in_wep_tkip(ieee->dev)) 1219 { 1220 if( (pHTInfo->IOTPeer== HT_IOT_PEER_ATHEROS) || 1221 (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN) ) 1222 pHTInfo->bCurrentAMPDUEnable = false; 1223 } 1224 1225 // <1> Decide AMPDU Factor 1226 1227 // By Emily 1228 if(!pHTInfo->bRegRT2RTAggregation) 1229 { 1230 // Decide AMPDU Factor according to protocol handshake 1231 if(pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor) 1232 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor; 1233 else 1234 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 1235 1236 }else 1237 { 1238 // Set MPDU density to 2 to Realtek AP, and set it to 0 for others 1239 // Replace MPDU factor declared in original association response frame format. 2007.08.20 by Emily 1240 if (ieee->current_network.bssht.bdRT2RTAggregation) 1241 { 1242 if( ieee->pairwise_key_type != KEY_TYPE_NA) 1243 // Realtek may set 32k in security mode and 64k for others 1244 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor; 1245 else 1246 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K; 1247 }else 1248 { 1249 if(pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K) 1250 pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor; 1251 else 1252 pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K; 1253 } 1254 } 1255 1256 // <2> Set AMPDU Minimum MPDU Start Spacing 1257 // 802.11n 3.0 section 9.7d.3 1258 if(pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity) 1259 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; 1260 else 1261 pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity; 1262 // Force TX AMSDU 1263 1264 // Lanhsin: mark for tmp to avoid deauth by ap from s3 1265 //if(memcmp(pMgntInfo->Bssid, NETGEAR834Bv2_BROADCOM, 3)==0) 1266 if(pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K) 1267 { 1268 1269 pHTInfo->bCurrentAMPDUEnable = false; 1270 pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE; 1271 pHTInfo->ForcedAMSDUMaxSize = 7935; 1272 } 1273 1274 // Rx Reorder Setting 1275 pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable; 1276 1277 // 1278 // Filter out unsupported HT rate for this AP 1279 // Update RATR table 1280 // This is only for 8190 ,8192 or later product which using firmware to handle rate adaptive mechanism. 1281 // 1282 1283 // Handle Ralink AP bad MCS rate set condition. Joseph. 1284 // This fix the bug of Ralink AP. This may be removed in the future. 1285 if(pPeerHTCap->MCS[0] == 0) 1286 pPeerHTCap->MCS[0] = 0xff; 1287 1288 // Joseph test //LZM ADD 090318 1289 HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1])!=0)); 1290 1291 HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet); 1292 1293 // 1294 // Config MIMO Power Save setting 1295 // 1296 pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave; 1297 if(pHTInfo->PeerMimoPs == MIMO_PS_STATIC) 1298 pMcsFilter = MCS_FILTER_1SS; 1299 else 1300 pMcsFilter = MCS_FILTER_ALL; 1301 //WB add for MCS8 bug 1302// pMcsFilter = MCS_FILTER_1SS; 1303 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, pMcsFilter); 1304 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; 1305 1306 // 1307 // Config current operation mode. 1308 // 1309 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; 1310 1311 1312 1313} 1314 1315void HTSetConnectBwModeCallback(struct ieee80211_device* ieee); 1316/******************************************************************************************************************** 1317 *function: initialize HT info(struct PRT_HIGH_THROUGHPUT) 1318 * input: struct ieee80211_device* ieee 1319 * output: none 1320 * return: none 1321 * notice: This function is called when * (1) MPInitialization Phase * (2) Receiving of Deauthentication from AP 1322********************************************************************************************************************/ 1323// TODO: Should this funciton be called when receiving of Disassociation? 1324void HTInitializeHTInfo(struct ieee80211_device* ieee) 1325{ 1326 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 1327 1328 // 1329 // These parameters will be reset when receiving deauthentication packet 1330 // 1331 IEEE80211_DEBUG(IEEE80211_DL_HT, "===========>%s()\n", __FUNCTION__); 1332 pHTInfo->bCurrentHTSupport = false; 1333 1334 // 40MHz channel support 1335 pHTInfo->bCurBW40MHz = false; 1336 pHTInfo->bCurTxBW40MHz = false; 1337 1338 // Short GI support 1339 pHTInfo->bCurShortGI20MHz = false; 1340 pHTInfo->bCurShortGI40MHz = false; 1341 pHTInfo->bForcedShortGI = false; 1342 1343 // CCK rate support 1344 // This flag is set to true to support CCK rate by default. 1345 // It will be affected by "pHTInfo->bRegSuppCCK" and AP capabilities only when associate to 1346 // 11N BSS. 1347 pHTInfo->bCurSuppCCK = true; 1348 1349 // AMSDU related 1350 pHTInfo->bCurrent_AMSDU_Support = false; 1351 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 1352 1353 // AMPUD related 1354 pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; 1355 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 1356 1357 1358 1359 // Initialize all of the parameters related to 11n 1360 memset((void*)(&(pHTInfo->SelfHTCap)), 0, sizeof(pHTInfo->SelfHTCap)); 1361 memset((void*)(&(pHTInfo->SelfHTInfo)), 0, sizeof(pHTInfo->SelfHTInfo)); 1362 memset((void*)(&(pHTInfo->PeerHTCapBuf)), 0, sizeof(pHTInfo->PeerHTCapBuf)); 1363 memset((void*)(&(pHTInfo->PeerHTInfoBuf)), 0, sizeof(pHTInfo->PeerHTInfoBuf)); 1364 1365 pHTInfo->bSwBwInProgress = false; 1366 pHTInfo->ChnlOp = CHNLOP_NONE; 1367 1368 // Set default IEEE spec for Draft N 1369 pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE; 1370 1371 // Realtek proprietary aggregation mode 1372 pHTInfo->bCurrentRT2RTAggregation = false; 1373 pHTInfo->bCurrentRT2RTLongSlotTime = false; 1374 pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0; 1375 1376 pHTInfo->IOTPeer = 0; 1377 pHTInfo->IOTAction = 0; 1378 pHTInfo->IOTRaFunc = 0; 1379 1380 //MCS rate initialized here 1381 { 1382 u8* RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]); 1383 RegHTSuppRateSets[0] = 0xFF; //support MCS 0~7 1384 RegHTSuppRateSets[1] = 0xFF; //support MCS 8~15 1385 RegHTSuppRateSets[4] = 0x01; //support MCS 32 1386 } 1387} 1388/******************************************************************************************************************** 1389 *function: initialize Bss HT structure(struct PBSS_HT) 1390 * input: PBSS_HT pBssHT //to be initialized 1391 * output: none 1392 * return: none 1393 * notice: This function is called when initialize network structure 1394********************************************************************************************************************/ 1395void HTInitializeBssDesc(PBSS_HT pBssHT) 1396{ 1397 1398 pBssHT->bdSupportHT = false; 1399 memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf)); 1400 pBssHT->bdHTCapLen = 0; 1401 memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf)); 1402 pBssHT->bdHTInfoLen = 0; 1403 1404 pBssHT->bdHTSpecVer= HT_SPEC_VER_IEEE; 1405 1406 pBssHT->bdRT2RTAggregation = false; 1407 pBssHT->bdRT2RTLongSlotTime = false; 1408 pBssHT->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0; 1409} 1410 1411/******************************************************************************************************************** 1412 *function: initialize Bss HT structure(struct PBSS_HT) 1413 * input: struct ieee80211_device *ieee 1414 * struct ieee80211_network *pNetwork //usually current network we are live in 1415 * output: none 1416 * return: none 1417 * notice: This function should ONLY be called before association 1418********************************************************************************************************************/ 1419void HTResetSelfAndSavePeerSetting(struct ieee80211_device* ieee, struct ieee80211_network * pNetwork) 1420{ 1421 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 1422// u16 nMaxAMSDUSize; 1423// PHT_CAPABILITY_ELE pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf; 1424// PHT_INFORMATION_ELE pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf; 1425// u8* pMcsFilter; 1426 u8 bIOTAction = 0; 1427 1428 // 1429 // Save Peer Setting before Association 1430 // 1431 IEEE80211_DEBUG(IEEE80211_DL_HT, "==============>%s()\n", __FUNCTION__); 1432 /*unmark bEnableHT flag here is the same reason why unmarked in function ieee80211_softmac_new_net. WB 2008.09.10*/ 1433// if( pHTInfo->bEnableHT && pNetwork->bssht.bdSupportHT) 1434 if (pNetwork->bssht.bdSupportHT) 1435 { 1436 pHTInfo->bCurrentHTSupport = true; 1437 pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer; 1438 1439 // Save HTCap and HTInfo information Element 1440 if(pNetwork->bssht.bdHTCapLen > 0 && pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf)) 1441 memcpy(pHTInfo->PeerHTCapBuf, pNetwork->bssht.bdHTCapBuf, pNetwork->bssht.bdHTCapLen); 1442 1443 if(pNetwork->bssht.bdHTInfoLen > 0 && pNetwork->bssht.bdHTInfoLen <= sizeof(pHTInfo->PeerHTInfoBuf)) 1444 memcpy(pHTInfo->PeerHTInfoBuf, pNetwork->bssht.bdHTInfoBuf, pNetwork->bssht.bdHTInfoLen); 1445 1446 // Check whether RT to RT aggregation mode is enabled 1447 if(pHTInfo->bRegRT2RTAggregation) 1448 { 1449 pHTInfo->bCurrentRT2RTAggregation = pNetwork->bssht.bdRT2RTAggregation; 1450 pHTInfo->bCurrentRT2RTLongSlotTime = pNetwork->bssht.bdRT2RTLongSlotTime; 1451 pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode; 1452 } 1453 else 1454 { 1455 pHTInfo->bCurrentRT2RTAggregation = false; 1456 pHTInfo->bCurrentRT2RTLongSlotTime = false; 1457 pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0; 1458 } 1459 1460 // Determine the IOT Peer Vendor. 1461 HTIOTPeerDetermine(ieee); 1462 1463 // Decide IOT Action 1464 // Must be called after the parameter of pHTInfo->bCurrentRT2RTAggregation is decided 1465 pHTInfo->IOTAction = 0; 1466 bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid); 1467 if(bIOTAction) 1468 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14; 1469 1470 bIOTAction = HTIOTActIsDisableMCS15(ieee); 1471 if(bIOTAction) 1472 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15; 1473 1474 bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee); 1475 if(bIOTAction) 1476 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS; 1477 1478 1479 bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid); 1480 if(bIOTAction) 1481 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO; 1482 1483 bIOTAction = HTIOTActIsMgntUseCCK6M(pNetwork); 1484 if(bIOTAction) 1485 pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M; 1486 1487 bIOTAction = HTIOTActIsCCDFsync(pNetwork->bssid); 1488 if(bIOTAction) 1489 pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC; 1490 1491 bIOTAction = HTIOTActIsForcedCTS2Self(pNetwork); 1492 if(bIOTAction) 1493 pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_CTS2SELF; 1494 1495 //bIOTAction = HTIOTActIsForcedRTSCTS(ieee, pNetwork); 1496 //if(bIOTAction) 1497 // pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_RTS; 1498 1499 bIOTAction = HTIOCActRejcectADDBARequest(pNetwork); 1500 if(bIOTAction) 1501 pHTInfo->IOTAction |= HT_IOT_ACT_REJECT_ADDBA_REQ; 1502 1503 bIOTAction = HTIOCActAllowPeerAggOnePacket(ieee, pNetwork); 1504 if(bIOTAction) 1505 pHTInfo->IOTAction |= HT_IOT_ACT_ALLOW_PEER_AGG_ONE_PKT; 1506 1507 bIOTAction = HTIOTActIsEDCABiasRx(ieee, pNetwork); 1508 if(bIOTAction) 1509 pHTInfo->IOTAction |= HT_IOT_ACT_EDCA_BIAS_ON_RX; 1510 1511 bIOTAction = HTIOTActDisableShortGI(ieee, pNetwork); 1512 if(bIOTAction) 1513 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_SHORT_GI; 1514 1515 bIOTAction = HTIOTActDisableHighPower(ieee, pNetwork); 1516 if(bIOTAction) 1517 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_HIGH_POWER; 1518 1519 bIOTAction = HTIOTActIsForcedAMSDU8K(ieee, pNetwork); 1520 if(bIOTAction) 1521 pHTInfo->IOTAction |= HT_IOT_ACT_TX_USE_AMSDU_8K; 1522 1523 bIOTAction = HTIOTActIsTxNoAggregation(ieee, pNetwork); 1524 if(bIOTAction) 1525 pHTInfo->IOTAction |= HT_IOT_ACT_TX_NO_AGGREGATION; 1526 1527 bIOTAction = HTIOTActIsDisableTx40MHz(ieee, pNetwork); 1528 if(bIOTAction) 1529 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_TX_40_MHZ; 1530 1531 bIOTAction = HTIOTActIsDisableTx2SS(ieee, pNetwork); 1532 if(bIOTAction) 1533 pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_TX_2SS; 1534 //must after HT_IOT_ACT_TX_NO_AGGREGATION 1535 bIOTAction = HTIOTActIsForcedRTSCTS(ieee, pNetwork); 1536 if(bIOTAction) 1537 pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_RTS; 1538 1539 printk("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!IOTAction = %8.8x\n", pHTInfo->IOTAction); 1540 } 1541 else 1542 { 1543 pHTInfo->bCurrentHTSupport = false; 1544 pHTInfo->bCurrentRT2RTAggregation = false; 1545 pHTInfo->bCurrentRT2RTLongSlotTime = false; 1546 pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0; 1547 1548 pHTInfo->IOTAction = 0; 1549 pHTInfo->IOTRaFunc = 0; 1550 } 1551 1552} 1553 1554void HTUpdateSelfAndPeerSetting(struct ieee80211_device* ieee, struct ieee80211_network * pNetwork) 1555{ 1556 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 1557// PHT_CAPABILITY_ELE pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf; 1558 PHT_INFORMATION_ELE pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf; 1559 1560 if(pHTInfo->bCurrentHTSupport) 1561 { 1562 // 1563 // Config current operation mode. 1564 // 1565 if(pNetwork->bssht.bdHTInfoLen != 0) 1566 pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; 1567 1568 // 1569 // <TODO: Config according to OBSS non-HT STA present!!> 1570 // 1571 } 1572} 1573 1574void HTUseDefaultSetting(struct ieee80211_device* ieee) 1575{ 1576 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 1577// u8 regBwOpMode; 1578 1579 if(pHTInfo->bEnableHT) 1580 { 1581 pHTInfo->bCurrentHTSupport = true; 1582 1583 pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK; 1584 1585 pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz; 1586 1587 pHTInfo->bCurShortGI20MHz= pHTInfo->bRegShortGI20MHz; 1588 1589 pHTInfo->bCurShortGI40MHz= pHTInfo->bRegShortGI40MHz; 1590 1591 pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; 1592 1593 pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; 1594 1595 pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; 1596 1597 pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; 1598 1599 pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity; 1600 1601 // Set BWOpMode register 1602 1603 //update RATR index0 1604 HTFilterMCSRate(ieee, ieee->Regdot11HTOperationalRateSet, ieee->dot11HTOperationalRateSet); 1605 //function below is not implemented at all. WB 1606#ifdef TODO 1607 Adapter->HalFunc.InitHalRATRTableHandler( Adapter, &pMgntInfo->dot11OperationalRateSet, pMgntInfo->dot11HTOperationalRateSet); 1608#endif 1609 ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, MCS_FILTER_ALL); 1610 ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; 1611 1612 } 1613 else 1614 { 1615 pHTInfo->bCurrentHTSupport = false; 1616 } 1617 return; 1618} 1619/******************************************************************************************************************** 1620 *function: check whether HT control field exists 1621 * input: struct ieee80211_device *ieee 1622 * u8* pFrame //coming skb->data 1623 * output: none 1624 * return: return true if HT control field exists(false otherwise) 1625 * notice: 1626********************************************************************************************************************/ 1627u8 HTCCheck(struct ieee80211_device* ieee, u8* pFrame) 1628{ 1629 if(ieee->pHTInfo->bCurrentHTSupport) 1630 { 1631 if( (IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) 1632 { 1633 IEEE80211_DEBUG(IEEE80211_DL_HT, "HT CONTROL FILED EXIST!!\n"); 1634 return true; 1635 } 1636 } 1637 return false; 1638} 1639 1640// 1641// This function set bandwidth mode in protocol layer. 1642// 1643void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset) 1644{ 1645 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 1646// u32 flags = 0; 1647 1648 if(pHTInfo->bRegBW40MHz == false) 1649 return; 1650 1651 1652 1653 // To reduce dummy operation 1654// if((pHTInfo->bCurBW40MHz==false && Bandwidth==HT_CHANNEL_WIDTH_20) || 1655// (pHTInfo->bCurBW40MHz==true && Bandwidth==HT_CHANNEL_WIDTH_20_40 && Offset==pHTInfo->CurSTAExtChnlOffset)) 1656// return; 1657 1658// spin_lock_irqsave(&(ieee->bw_spinlock), flags); 1659 if(pHTInfo->bSwBwInProgress) { 1660// spin_unlock_irqrestore(&(ieee->bw_spinlock), flags); 1661 return; 1662 } 1663 //if in half N mode, set to 20M bandwidth please 09.08.2008 WB. 1664 if(Bandwidth==HT_CHANNEL_WIDTH_20_40 && (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))) 1665 { 1666 // Handle Illegal extention channel offset!! 1667 if(ieee->current_network.channel<2 && Offset==HT_EXTCHNL_OFFSET_LOWER) 1668 Offset = HT_EXTCHNL_OFFSET_NO_EXT; 1669 if(Offset==HT_EXTCHNL_OFFSET_UPPER || Offset==HT_EXTCHNL_OFFSET_LOWER) { 1670 pHTInfo->bCurBW40MHz = true; 1671 pHTInfo->CurSTAExtChnlOffset = Offset; 1672 } else { 1673 pHTInfo->bCurBW40MHz = false; 1674 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; 1675 } 1676 } else { 1677 pHTInfo->bCurBW40MHz = false; 1678 pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; 1679 } 1680 1681 pHTInfo->bSwBwInProgress = true; 1682 1683 // TODO: 2007.7.13 by Emily Wait 2000ms in order to garantee that switching 1684 // bandwidth is executed after scan is finished. It is a temporal solution 1685 // because software should ganrantee the last operation of switching bandwidth 1686 // is executed properlly. 1687 HTSetConnectBwModeCallback(ieee); 1688 1689// spin_unlock_irqrestore(&(ieee->bw_spinlock), flags); 1690} 1691 1692void HTSetConnectBwModeCallback(struct ieee80211_device* ieee) 1693{ 1694 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; 1695 1696 IEEE80211_DEBUG(IEEE80211_DL_HT, "======>%s()\n", __FUNCTION__); 1697 if(pHTInfo->bCurBW40MHz) 1698 { 1699 if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_UPPER) 1700 ieee->set_chan(ieee->dev, ieee->current_network.channel+2); 1701 else if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_LOWER) 1702 ieee->set_chan(ieee->dev, ieee->current_network.channel-2); 1703 else 1704 ieee->set_chan(ieee->dev, ieee->current_network.channel); 1705 1706 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, pHTInfo->CurSTAExtChnlOffset); 1707 } else { 1708 ieee->set_chan(ieee->dev, ieee->current_network.channel); 1709 ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT); 1710 } 1711 1712 pHTInfo->bSwBwInProgress = false; 1713} 1714