Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 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" |
| 5 | u8 MCS_FILTER_ALL[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| 6 | |
| 7 | u8 MCS_FILTER_1SS[16] = {0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| 8 | |
| 9 | u16 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 | |
| 32 | static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf}; |
| 33 | static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70}; |
| 34 | static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e}; |
| 35 | static u8 NETGEAR834Bv2_BROADCOM[3] = {0x00, 0x1b, 0x2f}; |
| 36 | static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f}; //cosa 03202008 |
| 37 | static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf}; |
| 38 | static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc}; |
| 39 | static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e}; |
| 40 | static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02}; |
| 41 | //static u8 DLINK_ATHEROS[3] = {0x00, 0x1c, 0xf0}; |
| 42 | static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94}; |
| 43 | |
Adam Buchbinder | 39cfb97 | 2009-12-18 15:43:51 -0500 | [diff] [blame] | 44 | // 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Should we put the |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 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 | * *****************************************************************************************************************/ |
| 54 | void 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 | * *****************************************************************************************************************/ |
| 124 | void 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 | * *****************************************************************************************************************/ |
| 161 | void 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 | */ |
| 222 | bool 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 | |
| 241 | bool 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 | |
| 268 | u16 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 | |
| 281 | u16 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 | * *****************************************************************************************************************/ |
| 300 | u16 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 | |
| 347 | bool IsHTHalfNmodeAPs(struct ieee80211_device* ieee) |
| 348 | { |
| 349 | bool retValue = false; |
| 350 | struct ieee80211_network* net = &ieee->current_network; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 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) || |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 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; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 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 | * *****************************************************************************************************************/ |
| 379 | void 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 | * *****************************************************************************************************************/ |
| 416 | u8 HTIOTActIsDisableMCS14(struct ieee80211_device* ieee, u8* PeerMacAddr) |
| 417 | { |
| 418 | u8 ret = 0; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 419 | return ret; |
| 420 | } |
| 421 | |
| 422 | |
| 423 | /** |
| 424 | * Function: HTIOTActIsDisableMCS15 |
| 425 | * |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame^] | 426 | * Overview: Check whether driver should declare capability of receiving MCS15 |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 427 | * |
| 428 | * Input: |
| 429 | * PADAPTER Adapter, |
| 430 | * |
| 431 | * Output: None |
| 432 | * Return: true if driver should disable MCS15 |
| 433 | * 2008.04.15 Emily |
| 434 | */ |
| 435 | bool 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 | * |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame^] | 463 | * Overview: Check whether driver should declare capability of receiving All 2 ss packets |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 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 | */ |
| 472 | bool HTIOTActIsDisableMCSTwoSpatialStream(struct ieee80211_device* ieee, u8 *PeerMacAddr) |
| 473 | { |
| 474 | bool retValue = false; |
| 475 | |
| 476 | #ifdef TODO |
| 477 | // Apply for 819u only |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 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 | * *****************************************************************************************************************/ |
| 489 | u8 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; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 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 | * *****************************************************************************************************************/ |
| 503 | u8 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 | |
| 518 | u8 HTIOTActIsCCDFsync(u8* PeerMacAddr) |
| 519 | { |
| 520 | u8 retValue = 0; |
| 521 | if( (memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0) || |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 522 | (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0) || |
| 523 | (memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ==0)) |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 524 | { |
| 525 | retValue = 1; |
| 526 | } |
| 527 | |
| 528 | return retValue; |
| 529 | } |
| 530 | |
| 531 | void 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 | * *****************************************************************************************************************/ |
| 550 | void 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 |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 601 | // TODO: Nedd to take care of this part |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 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 | * *****************************************************************************************************************/ |
| 669 | void 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 | * *****************************************************************************************************************/ |
| 741 | void 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 |
Mauro Carvalho Chehab | 50a09b3 | 2009-11-03 07:45:50 -0200 | [diff] [blame] | 762 | #if (HAL_CODE_BASE == RTL8192 && DEV_BUS_TYPE == USB_INTERFACE) |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 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 | * *****************************************************************************************************************/ |
| 795 | u8 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 | * *****************************************************************************************************************/ |
| 858 | u8 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 | */ |
| 910 | u8 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 | } |
| 940 | void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset); |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 941 | void 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 |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 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 |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 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 |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 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 | |
| 1118 | void 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? |
| 1127 | void 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 | ********************************************************************************************************************/ |
| 1195 | void 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 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 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 | ********************************************************************************************************************/ |
| 1217 | void 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 | |
| 1300 | void 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 | |
| 1320 | void 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 | |
Roel Kluin | 0289bb5 | 2010-01-14 21:25:56 +0100 | [diff] [blame] | 1345 | pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 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 | ********************************************************************************************************************/ |
| 1373 | u8 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 | // |
| 1389 | void 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 | { |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame^] | 1412 | // Handle Illegal extension channel offset!! |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 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 | |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame^] | 1429 | // TODO: 2007.7.13 by Emily Wait 2000ms in order to guarantee that switching |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 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 | |
| 1438 | void 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 | |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 1462 | EXPORT_SYMBOL(HTUpdateSelfAndPeerSetting); |