| |
| /****************************************************************************** |
| * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| * |
| * The full GNU General Public License is included in this distribution in the |
| * file called LICENSE. |
| * |
| * Contact Information: |
| * wlanfae <wlanfae@realtek.com> |
| ******************************************************************************/ |
| #include "ieee80211.h" |
| #include "rtl819x_HT.h" |
| u8 MCS_FILTER_ALL[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| |
| u8 MCS_FILTER_1SS[16] = {0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| |
| u16 MCS_DATA_RATE[2][2][77] = |
| { { {13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78 ,104, 156, 208, 234, 260, |
| 39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416, 468, 520, |
| 0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182, 182, 208, 156, 195, |
| 195, 234, 273, 273, 312, 130, 156, 181, 156, 181, 208, 234, 208, 234, 260, 260, |
| 286, 195, 234, 273, 234, 273, 312, 351, 312, 351, 390, 390, 429}, // Long GI, 20MHz |
| {14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289, |
| 43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520, 578, |
| 0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231, 173, 217, |
| 217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260, 231, 260, 289, 289, |
| 318, 217, 260, 303, 260, 303, 347, 390, 347, 390, 433, 433, 477} }, // Short GI, 20MHz |
| { {27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486, 540, |
| 81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648, 864, 972, 1080, |
| 12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324, 378, 378, 432, 324, 405, |
| 405, 486, 567, 567, 648, 270, 324, 378, 324, 378, 432, 486, 432, 486, 540, 540, |
| 594, 405, 486, 567, 486, 567, 648, 729, 648, 729, 810, 810, 891}, // Long GI, 40MHz |
| {30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540, 600, |
| 90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720, 960, 1080, 1200, |
| 13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360, 420, 420, 480, 360, 450, |
| 450, 540, 630, 630, 720, 300, 360, 420, 360, 420, 480, 540, 480, 540, 600, 600, |
| 660, 450, 540, 630, 540, 630, 720, 810, 720, 810, 900, 900, 990} } // Short GI, 40MHz |
| }; |
| |
| static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf}; |
| static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70}; |
| static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e}; |
| static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f}; |
| static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf}; |
| static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc}; |
| static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e}; |
| static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02}; |
| static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0}; |
| static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91}; |
| static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94}; |
| static u8 NETGEAR_BROADCOM[3] = {0x00, 0x1f, 0x33}; |
| static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4}; |
| |
| /******************************************************************************************************************** |
| *function: This function update default settings in pHTInfo structure |
| * input: PRT_HIGH_THROUGHPUT pHTInfo |
| * output: none |
| * return: none |
| * notice: These value need be modified if any changes. |
| * *****************************************************************************************************************/ |
| void HTUpdateDefaultSetting(struct ieee80211_device* ieee) |
| { |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| //const typeof( ((struct ieee80211_device *)0)->pHTInfo ) *__mptr = &pHTInfo; |
| |
| //printk("pHTinfo:%p, &pHTinfo:%p, mptr:%p, offsetof:%x\n", pHTInfo, &pHTInfo, __mptr, offsetof(struct ieee80211_device, pHTInfo)); |
| //printk("===>ieee:%p,\n", ieee); |
| // ShortGI support |
| pHTInfo->bRegShortGI20MHz= 1; |
| pHTInfo->bRegShortGI40MHz= 1; |
| |
| // 40MHz channel support |
| pHTInfo->bRegBW40MHz = 1; |
| |
| // CCK rate support in 40MHz channel |
| if(pHTInfo->bRegBW40MHz) |
| pHTInfo->bRegSuppCCK = 1; |
| else |
| pHTInfo->bRegSuppCCK = true; |
| |
| // AMSDU related |
| pHTInfo->nAMSDU_MaxSize = 7935UL; |
| pHTInfo->bAMSDU_Support = 0; |
| |
| // AMPDU related |
| pHTInfo->bAMPDUEnable = 1; //YJ,test,090311 |
| pHTInfo->AMPDU_Factor = 2; //// 0: 2n13(8K), 1:2n14(16K), 2:2n15(32K), 3:2n16(64k) |
| pHTInfo->MPDU_Density = 0;// 0: No restriction, 1: 1/8usec, 2: 1/4usec, 3: 1/2usec, 4: 1usec, 5: 2usec, 6: 4usec, 7:8usec |
| |
| // MIMO Power Save |
| pHTInfo->SelfMimoPs = 3;// 0: Static Mimo Ps, 1: Dynamic Mimo Ps, 3: No Limitation, 2: Reserved(Set to 3 automatically.) |
| if(pHTInfo->SelfMimoPs == 2) |
| pHTInfo->SelfMimoPs = 3; |
| // 8190 only. Assign rate operation mode to firmware |
| ieee->bTxDisableRateFallBack = 0; |
| ieee->bTxUseDriverAssingedRate = 0; |
| |
| #ifdef TO_DO_LIST |
| // 8190 only. Assign duration operation mode to firmware |
| pMgntInfo->bTxEnableFwCalcDur = (BOOLEAN)pNdisCommon->bRegTxEnableFwCalcDur; |
| #endif |
| // 8190 only, Realtek proprietary aggregation mode |
| // Set MPDUDensity=2, 1: Set MPDUDensity=2(32k) for Realtek AP and set MPDUDensity=0(8k) for others |
| pHTInfo->bRegRT2RTAggregation = 1;//0: Set MPDUDensity=2, 1: Set MPDUDensity=2(32k) for Realtek AP and set MPDUDensity=0(8k) for others |
| |
| // For Rx Reorder Control |
| pHTInfo->bRegRxReorderEnable = 1;//YJ,test,090311 |
| pHTInfo->RxReorderWinSize = 64; |
| pHTInfo->RxReorderPendingTime = 30; |
| |
| |
| |
| } |
| /******************************************************************************************************************** |
| *function: This function print out each field on HT capability IE mainly from (Beacon/ProbeRsp/AssocReq) |
| * input: u8* CapIE //Capability IE to be printed out |
| * u8* TitleString //mainly print out caller function |
| * output: none |
| * return: none |
| * notice: Driver should not print out this message by default. |
| * *****************************************************************************************************************/ |
| void HTDebugHTCapability(u8* CapIE, u8* TitleString ) |
| { |
| |
| static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily |
| PHT_CAPABILITY_ELE pCapELE; |
| |
| if(!memcmp(CapIE, EWC11NHTCap, sizeof(EWC11NHTCap))) |
| { |
| //EWC IE |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__); |
| pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[4]); |
| }else |
| pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[0]); |
| |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Capability>. Called by %s\n", TitleString ); |
| |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupported Channel Width = %s\n", (pCapELE->ChlWidth)?"20MHz": "20/40MHz"); |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport Short GI for 20M = %s\n", (pCapELE->ShortGI20Mhz)?"YES": "NO"); |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport Short GI for 40M = %s\n", (pCapELE->ShortGI40Mhz)?"YES": "NO"); |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport TX STBC = %s\n", (pCapELE->TxSTBC)?"YES": "NO"); |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMax AMSDU Size = %s\n", (pCapELE->MaxAMSDUSize)?"3839": "7935"); |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport CCK in 20/40 mode = %s\n", (pCapELE->DssCCk)?"YES": "NO"); |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMax AMPDU Factor = %d\n", pCapELE->MaxRxAMPDUFactor); |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMPDU Density = %d\n", pCapELE->MPDUDensity); |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMCS Rate Set = [%x][%x][%x][%x][%x]\n", pCapELE->MCS[0],\ |
| pCapELE->MCS[1], pCapELE->MCS[2], pCapELE->MCS[3], pCapELE->MCS[4]); |
| return; |
| |
| } |
| /******************************************************************************************************************** |
| *function: This function print out each field on HT Information IE mainly from (Beacon/ProbeRsp) |
| * input: u8* InfoIE //Capability IE to be printed out |
| * u8* TitleString //mainly print out caller function |
| * output: none |
| * return: none |
| * notice: Driver should not print out this message by default. |
| * *****************************************************************************************************************/ |
| void HTDebugHTInfo(u8* InfoIE, u8* TitleString) |
| { |
| |
| static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; // For 11n EWC definition, 2007.07.17, by Emily |
| PHT_INFORMATION_ELE pHTInfoEle; |
| |
| if(!memcmp(InfoIE, EWC11NHTInfo, sizeof(EWC11NHTInfo))) |
| { |
| // Not EWC IE |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __FUNCTION__); |
| pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[4]); |
| }else |
| pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[0]); |
| |
| |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Information Element>. Called by %s\n", TitleString); |
| |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "\tPrimary channel = %d\n", pHTInfoEle->ControlChl); |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSenondary channel ="); |
| switch(pHTInfoEle->ExtChlOffset) |
| { |
| case 0: |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "Not Present\n"); |
| break; |
| case 1: |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "Upper channel\n"); |
| break; |
| case 2: |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "Reserved. Eooro!!!\n"); |
| break; |
| case 3: |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "Lower Channel\n"); |
| break; |
| } |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "\tRecommended channel width = %s\n", (pHTInfoEle->RecommemdedTxWidth)?"20Mhz": "40Mhz"); |
| |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "\tOperation mode for protection = "); |
| switch(pHTInfoEle->OptMode) |
| { |
| case 0: |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "No Protection\n"); |
| break; |
| case 1: |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "HT non-member protection mode\n"); |
| break; |
| case 2: |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "Suggest to open protection\n"); |
| break; |
| case 3: |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "HT mixed mode\n"); |
| break; |
| } |
| |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "\tBasic MCS Rate Set = [%x][%x][%x][%x][%x]\n", pHTInfoEle->BasicMSC[0],\ |
| pHTInfoEle->BasicMSC[1], pHTInfoEle->BasicMSC[2], pHTInfoEle->BasicMSC[3], pHTInfoEle->BasicMSC[4]); |
| return; |
| } |
| |
| /* |
| * Return: true if station in half n mode and AP supports 40 bw |
| */ |
| bool IsHTHalfNmode40Bandwidth(struct ieee80211_device* ieee) |
| { |
| bool retValue = false; |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| |
| if(pHTInfo->bCurrentHTSupport == false ) // wireless is n mode |
| retValue = false; |
| else if(pHTInfo->bRegBW40MHz == false) // station supports 40 bw |
| retValue = false; |
| else if(!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) // station in half n mode |
| retValue = false; |
| else if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ChlWidth) // ap support 40 bw |
| retValue = true; |
| else |
| retValue = false; |
| |
| return retValue; |
| } |
| |
| bool IsHTHalfNmodeSGI(struct ieee80211_device* ieee, bool is40MHz) |
| { |
| bool retValue = false; |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| |
| if(pHTInfo->bCurrentHTSupport == false ) // wireless is n mode |
| retValue = false; |
| else if(!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) // station in half n mode |
| retValue = false; |
| else if(is40MHz) // ap support 40 bw |
| { |
| if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI40Mhz) // ap support 40 bw short GI |
| retValue = true; |
| else |
| retValue = false; |
| } |
| else |
| { |
| if(((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI20Mhz) // ap support 40 bw short GI |
| retValue = true; |
| else |
| retValue = false; |
| } |
| |
| return retValue; |
| } |
| |
| u16 HTHalfMcsToDataRate(struct ieee80211_device* ieee, u8 nMcsRate) |
| { |
| |
| u8 is40MHz; |
| u8 isShortGI; |
| |
| is40MHz = (IsHTHalfNmode40Bandwidth(ieee))?1:0; |
| isShortGI = (IsHTHalfNmodeSGI(ieee, is40MHz))? 1:0; |
| |
| return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)]; |
| } |
| |
| |
| u16 HTMcsToDataRate( struct ieee80211_device* ieee, u8 nMcsRate) |
| { |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| |
| u8 is40MHz = (pHTInfo->bCurBW40MHz)?1:0; |
| u8 isShortGI = (pHTInfo->bCurBW40MHz)? |
| ((pHTInfo->bCurShortGI40MHz)?1:0): |
| ((pHTInfo->bCurShortGI20MHz)?1:0); |
| return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)]; |
| } |
| |
| /******************************************************************************************************************** |
| *function: This function returns current datarate. |
| * input: struct ieee80211_device* ieee |
| * u8 nDataRate |
| * output: none |
| * return: tx rate |
| * notice: quite unsure about how to use this function //wb |
| * *****************************************************************************************************************/ |
| u16 TxCountToDataRate( struct ieee80211_device* ieee, u8 nDataRate) |
| { |
| //PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| u16 CCKOFDMRate[12] = {0x02 , 0x04 , 0x0b , 0x16 , 0x0c , 0x12 , 0x18 , 0x24 , 0x30 , 0x48 , 0x60 , 0x6c}; |
| u8 is40MHz = 0; |
| u8 isShortGI = 0; |
| |
| if(nDataRate < 12) |
| { |
| return CCKOFDMRate[nDataRate]; |
| } |
| else |
| { |
| if (nDataRate >= 0x10 && nDataRate <= 0x1f)//if(nDataRate > 11 && nDataRate < 28 ) |
| { |
| is40MHz = 0; |
| isShortGI = 0; |
| |
| // nDataRate = nDataRate - 12; |
| } |
| else if(nDataRate >=0x20 && nDataRate <= 0x2f ) //(27, 44) |
| { |
| is40MHz = 1; |
| isShortGI = 0; |
| |
| //nDataRate = nDataRate - 28; |
| } |
| else if(nDataRate >= 0x30 && nDataRate <= 0x3f ) //(43, 60) |
| { |
| is40MHz = 0; |
| isShortGI = 1; |
| |
| //nDataRate = nDataRate - 44; |
| } |
| else if(nDataRate >= 0x40 && nDataRate <= 0x4f ) //(59, 76) |
| { |
| is40MHz = 1; |
| isShortGI = 1; |
| |
| //nDataRate = nDataRate - 60; |
| } |
| return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf]; |
| } |
| } |
| |
| |
| |
| bool IsHTHalfNmodeAPs(struct ieee80211_device* ieee) |
| { |
| bool retValue = false; |
| struct ieee80211_network* net = &ieee->current_network; |
| |
| if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) || |
| (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) || |
| (memcmp(net->bssid, PCI_RALINK, 3)==0) || |
| (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) || |
| (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) || |
| (net->ralink_cap_exist)) |
| retValue = true; |
| else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) || |
| (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)|| |
| (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)|| |
| (net->broadcom_cap_exist)) |
| retValue = true; |
| else if(net->bssht.bdRT2RTAggregation) |
| retValue = true; |
| else |
| retValue = false; |
| |
| return retValue; |
| } |
| |
| /******************************************************************************************************************** |
| *function: This function returns peer IOT. |
| * input: struct ieee80211_device* ieee |
| * output: none |
| * return: |
| * notice: |
| * *****************************************************************************************************************/ |
| void HTIOTPeerDetermine(struct ieee80211_device* ieee) |
| { |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| struct ieee80211_network* net = &ieee->current_network; |
| //FIXME: need to decide 92U_SOFTAP //LZM,090320 |
| if(net->bssht.bdRT2RTAggregation){ |
| pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK; |
| if(net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE){ |
| pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE; |
| } |
| } |
| else if(net->broadcom_cap_exist) |
| pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; |
| else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) || |
| (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)|| |
| (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)) |
| pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM; |
| else if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) || |
| (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) || |
| (memcmp(net->bssid, PCI_RALINK, 3)==0) || |
| (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) || |
| (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) || |
| net->ralink_cap_exist) |
| pHTInfo->IOTPeer = HT_IOT_PEER_RALINK; |
| else if((net->atheros_cap_exist )|| |
| (memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0)|| |
| (memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0)) |
| pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS; |
| else if ((memcmp(net->bssid, CISCO_BROADCOM, 3)==0)||net->cisco_cap_exist) |
| pHTInfo->IOTPeer = HT_IOT_PEER_CISCO; |
| else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) || |
| net->marvell_cap_exist) |
| pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL; |
| else |
| pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; |
| |
| IEEE80211_DEBUG(IEEE80211_DL_IOT, "Joseph debug!! IOTPEER: %x\n", pHTInfo->IOTPeer); |
| } |
| /******************************************************************************************************************** |
| *function: Check whether driver should declare received rate up to MCS13 only since some chipset is not good |
| * at receiving MCS14~15 frame from some AP. |
| * input: struct ieee80211_device* ieee |
| * u8 * PeerMacAddr |
| * output: none |
| * return: return 1 if driver should declare MCS13 only(otherwise return 0) |
| * *****************************************************************************************************************/ |
| u8 HTIOTActIsDisableMCS14(struct ieee80211_device* ieee, u8* PeerMacAddr) |
| { |
| u8 ret = 0; |
| |
| return ret; |
| } |
| |
| |
| /** |
| * Function: HTIOTActIsDisableMCS15 |
| * |
| * Overview: Check whether driver should declare capability of receving MCS15 |
| * |
| * Input: |
| * PADAPTER Adapter, |
| * |
| * Output: None |
| * Return: true if driver should disable MCS15 |
| * 2008.04.15 Emily |
| */ |
| bool HTIOTActIsDisableMCS15(struct ieee80211_device* ieee) |
| { |
| bool retValue = false; |
| |
| #ifdef TODO |
| // Apply for 819u only |
| #if (HAL_CODE_BASE==RTL8192) |
| |
| #if (DEV_BUS_TYPE == USB_INTERFACE) |
| // Alway disable MCS15 by Jerry Chang's request.by Emily, 2008.04.15 |
| retValue = true; |
| #elif (DEV_BUS_TYPE == PCI_INTERFACE) |
| // Enable MCS15 if the peer is Cisco AP. by Emily, 2008.05.12 |
| // if(pBssDesc->bCiscoCapExist) |
| // retValue = false; |
| // else |
| retValue = false; |
| #endif |
| #endif |
| #endif |
| // Jerry Chang suggest that 8190 1x2 does not need to disable MCS15 |
| |
| return retValue; |
| } |
| |
| /** |
| * Function: HTIOTActIsDisableMCSTwoSpatialStream |
| * |
| * Overview: Check whether driver should declare capability of receving All 2 ss packets |
| * |
| * Input: |
| * PADAPTER Adapter, |
| * |
| * Output: None |
| * Return: true if driver should disable all two spatial stream packet |
| * 2008.04.21 Emily |
| */ |
| bool HTIOTActIsDisableMCSTwoSpatialStream(struct ieee80211_device* ieee) |
| { |
| bool retValue = false; |
| #ifdef TODO |
| // Apply for 819u only |
| //#if (HAL_CODE_BASE==RTL8192) |
| |
| //This rule only apply to Belkin(Ralink) AP |
| if(IS_UNDER_11N_AES_MODE(Adapter)) |
| { |
| if((PlatformCompareMemory(PeerMacAddr, BELKINF5D8233V1_RALINK, 3)==0) || |
| (PlatformCompareMemory(PeerMacAddr, PCI_RALINK, 3)==0) || |
| (PlatformCompareMemory(PeerMacAddr, EDIMAX_RALINK, 3)==0)) |
| { |
| //Set True to disable this function. Disable by default, Emily, 2008.04.23 |
| retValue = false; |
| } |
| } |
| |
| //#endif |
| #endif |
| #if 1 |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| if(ieee->is_ap_in_wep_tkip && ieee->is_ap_in_wep_tkip(ieee->dev)) |
| { |
| if( (pHTInfo->IOTPeer != HT_IOT_PEER_ATHEROS) && |
| (pHTInfo->IOTPeer != HT_IOT_PEER_UNKNOWN) && |
| (pHTInfo->IOTPeer != HT_IOT_PEER_MARVELL) ) |
| retValue = true; |
| } |
| #endif |
| return retValue; |
| } |
| |
| /******************************************************************************************************************** |
| *function: Check whether driver should disable EDCA turbo mode |
| * input: struct ieee80211_device* ieee |
| * u8* PeerMacAddr |
| * output: none |
| * return: return 1 if driver should disable EDCA turbo mode(otherwise return 0) |
| * *****************************************************************************************************************/ |
| u8 HTIOTActIsDisableEDCATurbo(struct ieee80211_device* ieee, u8* PeerMacAddr) |
| { |
| u8 retValue = false; // default enable EDCA Turbo mode. |
| // Set specific EDCA parameter for different AP in DM handler. |
| |
| return retValue; |
| } |
| |
| /******************************************************************************************************************** |
| *function: Check whether we need to use OFDM to sned MGNT frame for broadcom AP |
| * input: struct ieee80211_network *network //current network we live |
| * output: none |
| * return: return 1 if true |
| * *****************************************************************************************************************/ |
| u8 HTIOTActIsMgntUseCCK6M(struct ieee80211_network *network) |
| { |
| u8 retValue = 0; |
| |
| // 2008/01/25 MH Judeg if we need to use OFDM to sned MGNT frame for broadcom AP. |
| // 2008/01/28 MH We must prevent that we select null bssid to link. |
| |
| if(network->broadcom_cap_exist) |
| { |
| retValue = 1; |
| } |
| |
| return retValue; |
| } |
| |
| u8 HTIOTActIsForcedCTS2Self(struct ieee80211_network *network) |
| { |
| u8 retValue = 0; |
| |
| if(network->marvell_cap_exist) |
| { |
| retValue = 1; |
| } |
| |
| return retValue; |
| } |
| |
| u8 HTIOTActIsForcedRTSCTS(struct ieee80211_device *ieee, struct ieee80211_network *network) |
| { |
| u8 retValue = 0; |
| printk("============>%s(), %d\n", __FUNCTION__, network->realtek_cap_exit); |
| // Force protection |
| if(ieee->pHTInfo->bCurrentHTSupport) |
| { |
| //if(!network->realtek_cap_exit) |
| if((ieee->pHTInfo->IOTPeer != HT_IOT_PEER_REALTEK)&& |
| (ieee->pHTInfo->IOTPeer != HT_IOT_PEER_REALTEK_92SE)) |
| { |
| if((ieee->pHTInfo->IOTAction & HT_IOT_ACT_TX_NO_AGGREGATION) == 0) |
| retValue = 1; |
| } |
| } |
| return retValue; |
| } |
| |
| u8 |
| HTIOTActIsForcedAMSDU8K(struct ieee80211_device *ieee, struct ieee80211_network *network) |
| { |
| u8 retValue = 0; |
| |
| return retValue; |
| } |
| |
| u8 HTIOTActIsCCDFsync(u8* PeerMacAddr) |
| { |
| u8 retValue = 0; |
| if( (memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0) || |
| (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0) || |
| (memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ==0)) |
| { |
| retValue = 1; |
| } |
| return retValue; |
| } |
| |
| /* |
| * 819xS single chip b-cut series cannot handle BAR |
| */ |
| u8 |
| HTIOCActRejcectADDBARequest(struct ieee80211_network *network) |
| { |
| u8 retValue = 0; |
| //if(IS_HARDWARE_TYPE_8192SE(Adapter) || |
| // IS_HARDWARE_TYPE_8192SU(Adapter) |
| //) |
| { |
| // Do not reject ADDBA REQ because some of the AP may |
| // keep on sending ADDBA REQ qhich cause DHCP fail or ping loss! |
| // by HPFan, 2008/12/30 |
| |
| //if(pBssDesc->Vender == HT_IOT_PEER_MARVELL) |
| // return FALSE; |
| |
| } |
| |
| return retValue; |
| |
| } |
| |
| /* |
| * EDCA parameters bias on downlink |
| */ |
| u8 |
| HTIOTActIsEDCABiasRx(struct ieee80211_device* ieee,struct ieee80211_network *network) |
| { |
| u8 retValue = 0; |
| //if(IS_HARDWARE_TYPE_8192SU(Adapter)) |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| { |
| //#if UNDER_VISTA |
| // if(pBssDesc->Vender==HT_IOT_PEER_ATHEROS || |
| // pBssDesc->Vender==HT_IOT_PEER_RALINK) |
| //#else |
| if(pHTInfo->IOTPeer==HT_IOT_PEER_ATHEROS || |
| pHTInfo->IOTPeer==HT_IOT_PEER_BROADCOM || |
| pHTInfo->IOTPeer==HT_IOT_PEER_RALINK) |
| //#endif |
| return 1; |
| |
| } |
| return retValue; |
| } |
| |
| u8 |
| HTIOTActDisableShortGI(struct ieee80211_device* ieee,struct ieee80211_network *network) |
| { |
| u8 retValue = 0; |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| |
| if(pHTInfo->IOTPeer==HT_IOT_PEER_RALINK) |
| { |
| if(network->bssht.bdHT1R) |
| retValue = 1; |
| } |
| |
| return retValue; |
| } |
| |
| u8 |
| HTIOTActDisableHighPower(struct ieee80211_device* ieee,struct ieee80211_network *network) |
| { |
| u8 retValue = 0; |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| |
| if(pHTInfo->IOTPeer==HT_IOT_PEER_RALINK) |
| { |
| if(network->bssht.bdHT1R) |
| retValue = 1; |
| } |
| |
| return retValue; |
| } |
| |
| void |
| HTIOTActDetermineRaFunc(struct ieee80211_device* ieee, bool bPeerRx2ss) |
| { |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL; |
| |
| if(pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss) |
| pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R; |
| |
| if(pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE) |
| pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU; |
| |
| printk("!!!!!!!!!!!!!!!!!!!!!!!!!!!IOTRaFunc = %8.8x\n", pHTInfo->IOTRaFunc); |
| } |
| |
| |
| u8 |
| HTIOTActIsDisableTx40MHz(struct ieee80211_device* ieee,struct ieee80211_network *network) |
| { |
| u8 retValue = 0; |
| |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| if( (KEY_TYPE_WEP104 == ieee->pairwise_key_type) || |
| (KEY_TYPE_WEP40 == ieee->pairwise_key_type) || |
| (KEY_TYPE_WEP104 == ieee->group_key_type) || |
| (KEY_TYPE_WEP40 == ieee->group_key_type) || |
| (KEY_TYPE_TKIP == ieee->pairwise_key_type) ) |
| { |
| if((pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK) && (network->bssht.bdSupportHT)) |
| retValue = 1; |
| } |
| |
| return retValue; |
| } |
| |
| u8 |
| HTIOTActIsTxNoAggregation(struct ieee80211_device* ieee,struct ieee80211_network *network) |
| { |
| u8 retValue = 0; |
| |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| if( (KEY_TYPE_WEP104 == ieee->pairwise_key_type) || |
| (KEY_TYPE_WEP40 == ieee->pairwise_key_type) || |
| (KEY_TYPE_WEP104 == ieee->group_key_type) || |
| (KEY_TYPE_WEP40 == ieee->group_key_type) || |
| (KEY_TYPE_TKIP == ieee->pairwise_key_type) ) |
| { |
| if(pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK || |
| pHTInfo->IOTPeer==HT_IOT_PEER_UNKNOWN) |
| retValue = 1; |
| } |
| |
| return retValue; |
| } |
| |
| |
| u8 |
| HTIOTActIsDisableTx2SS(struct ieee80211_device* ieee,struct ieee80211_network *network) |
| { |
| u8 retValue = 0; |
| |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| if( (KEY_TYPE_WEP104 == ieee->pairwise_key_type) || |
| (KEY_TYPE_WEP40 == ieee->pairwise_key_type) || |
| (KEY_TYPE_WEP104 == ieee->group_key_type) || |
| (KEY_TYPE_WEP40 == ieee->group_key_type) || |
| (KEY_TYPE_TKIP == ieee->pairwise_key_type) ) |
| { |
| if((pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK) && (network->bssht.bdSupportHT)) |
| retValue = 1; |
| } |
| |
| return retValue; |
| } |
| |
| |
| bool HTIOCActAllowPeerAggOnePacket(struct ieee80211_device* ieee,struct ieee80211_network *network) |
| { |
| bool retValue = false; |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| if(pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) |
| { |
| if((memcmp(network->bssid, NETGEAR_BROADCOM, 3)==0) |
| && (network->bssht.bdBandWidth == HT_CHANNEL_WIDTH_20_40)) |
| return true; |
| } |
| return retValue; |
| } |
| |
| void HTResetIOTSetting( |
| PRT_HIGH_THROUGHPUT pHTInfo |
| ) |
| { |
| pHTInfo->IOTAction = 0; |
| pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN; |
| pHTInfo->IOTRaFunc = 0; |
| } |
| |
| |
| /******************************************************************************************************************** |
| *function: Construct Capablility Element in Beacon... if HTEnable is turned on |
| * input: struct ieee80211_device* ieee |
| * u8* posHTCap //pointer to store Capability Ele |
| * u8* len //store length of CE |
| * u8 IsEncrypt //whether encrypt, needed further |
| * output: none |
| * return: none |
| * notice: posHTCap can't be null and should be initialized before. |
| * *****************************************************************************************************************/ |
| void HTConstructCapabilityElement(struct ieee80211_device* ieee, u8* posHTCap, u8* len, u8 IsEncrypt) |
| { |
| PRT_HIGH_THROUGHPUT pHT = ieee->pHTInfo; |
| PHT_CAPABILITY_ELE pCapELE = NULL; |
| //u8 bIsDeclareMCS13; |
| |
| if ((posHTCap == NULL) || (pHT == NULL)) |
| { |
| IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTCap or pHTInfo can't be null in HTConstructCapabilityElement()\n"); |
| return; |
| } |
| memset(posHTCap, 0, *len); |
| if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC) |
| { |
| u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily |
| memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap)); |
| pCapELE = (PHT_CAPABILITY_ELE)&(posHTCap[4]); |
| }else |
| { |
| pCapELE = (PHT_CAPABILITY_ELE)posHTCap; |
| } |
| |
| |
| //HT capability info |
| pCapELE->AdvCoding = 0; // This feature is not supported now!! |
| if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) |
| { |
| pCapELE->ChlWidth = 0; |
| } |
| else |
| { |
| pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0); |
| } |
| |
| // pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0); |
| pCapELE->MimoPwrSave = pHT->SelfMimoPs; |
| pCapELE->GreenField = 0; // This feature is not supported now!! |
| pCapELE->ShortGI20Mhz = 1; // We can receive Short GI!! |
| pCapELE->ShortGI40Mhz = 1; // We can receive Short GI!! |
| //DbgPrint("TX HT cap/info ele BW=%d SG20=%d SG40=%d\n\r", |
| //pCapELE->ChlWidth, pCapELE->ShortGI20Mhz, pCapELE->ShortGI40Mhz); |
| pCapELE->TxSTBC = 1; |
| pCapELE->RxSTBC = 0; |
| pCapELE->DelayBA = 0; // Do not support now!! |
| pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE>=7935)?1:0; |
| pCapELE->DssCCk = ((pHT->bRegBW40MHz)?(pHT->bRegSuppCCK?1:0):0); |
| pCapELE->PSMP = 0; // Do not support now!! |
| pCapELE->LSigTxopProtect = 0; // Do not support now!! |
| |
| |
| //MAC HT parameters info |
| // TODO: Nedd to take care of this part |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk); |
| |
| if( IsEncrypt) |
| { |
| pCapELE->MPDUDensity = 7; // 8us |
| pCapELE->MaxRxAMPDUFactor = 2; // 2 is for 32 K and 3 is 64K |
| } |
| else |
| { |
| pCapELE->MaxRxAMPDUFactor = 3; // 2 is for 32 K and 3 is 64K |
| pCapELE->MPDUDensity = 0; // no density |
| } |
| |
| //Supported MCS set |
| memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16); |
| if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15) |
| pCapELE->MCS[1] &= 0x7f; |
| |
| if(pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14) |
| pCapELE->MCS[1] &= 0xbf; |
| |
| if(pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS) |
| pCapELE->MCS[1] &= 0x00; |
| |
| // 2008.06.12 |
| // For RTL819X, if pairwisekey = wep/tkip, ap is ralink, we support only MCS0~7. |
| if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) |
| { |
| int i; |
| for(i = 1; i< 16; i++) |
| pCapELE->MCS[i] = 0; |
| } |
| |
| //Extended HT Capability Info |
| memset(&pCapELE->ExtHTCapInfo, 0, 2); |
| |
| |
| //TXBF Capabilities |
| memset(pCapELE->TxBFCap, 0, 4); |
| |
| //Antenna Selection Capabilities |
| pCapELE->ASCap = 0; |
| //add 2 to give space for element ID and len when construct frames |
| if(pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC) |
| *len = 30 + 2; |
| else |
| *len = 26 + 2; |
| |
| |
| |
| // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_HT, posHTCap, *len -2); |
| |
| //Print each field in detail. Driver should not print out this message by default |
| // HTDebugHTCapability(posHTCap, (u8*)"HTConstructCapability()"); |
| return; |
| |
| } |
| /******************************************************************************************************************** |
| *function: Construct Information Element in Beacon... if HTEnable is turned on |
| * input: struct ieee80211_device* ieee |
| * u8* posHTCap //pointer to store Information Ele |
| * u8* len //store len of |
| * u8 IsEncrypt //whether encrypt, needed further |
| * output: none |
| * return: none |
| * notice: posHTCap can't be null and be initialized before. only AP and IBSS sta should do this |
| * *****************************************************************************************************************/ |
| void HTConstructInfoElement(struct ieee80211_device* ieee, u8* posHTInfo, u8* len, u8 IsEncrypt) |
| { |
| PRT_HIGH_THROUGHPUT pHT = ieee->pHTInfo; |
| PHT_INFORMATION_ELE pHTInfoEle = (PHT_INFORMATION_ELE)posHTInfo; |
| if ((posHTInfo == NULL) || (pHTInfoEle == NULL)) |
| { |
| IEEE80211_DEBUG(IEEE80211_DL_ERR, "posHTInfo or pHTInfoEle can't be null in HTConstructInfoElement()\n"); |
| return; |
| } |
| |
| memset(posHTInfo, 0, *len); |
| if ( (ieee->iw_mode == IW_MODE_ADHOC) || (ieee->iw_mode == IW_MODE_MASTER)) //ap mode is not currently supported |
| { |
| pHTInfoEle->ControlChl = ieee->current_network.channel; |
| pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false)?HT_EXTCHNL_OFFSET_NO_EXT: |
| (ieee->current_network.channel<=6)? |
| HT_EXTCHNL_OFFSET_UPPER:HT_EXTCHNL_OFFSET_LOWER); |
| pHTInfoEle->RecommemdedTxWidth = pHT->bRegBW40MHz; |
| pHTInfoEle->RIFS = 0; |
| pHTInfoEle->PSMPAccessOnly = 0; |
| pHTInfoEle->SrvIntGranularity = 0; |
| pHTInfoEle->OptMode = pHT->CurrentOpMode; |
| pHTInfoEle->NonGFDevPresent = 0; |
| pHTInfoEle->DualBeacon = 0; |
| pHTInfoEle->SecondaryBeacon = 0; |
| pHTInfoEle->LSigTxopProtectFull = 0; |
| pHTInfoEle->PcoActive = 0; |
| pHTInfoEle->PcoPhase = 0; |
| |
| memset(pHTInfoEle->BasicMSC, 0, 16); |
| |
| |
| *len = 22 + 2; //same above |
| |
| } |
| else |
| { |
| //STA should not generate High Throughput Information Element |
| *len = 0; |
| } |
| //IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA | IEEE80211_DL_HT, posHTInfo, *len - 2); |
| //HTDebugHTInfo(posHTInfo, "HTConstructInforElement"); |
| return; |
| } |
| |
| /* |
| * According to experiment, Realtek AP to STA (based on rtl8190) may achieve best performance |
| * if both STA and AP set limitation of aggregation size to 32K, that is, set AMPDU density to 2 |
| * (Ref: IEEE 11n specification). However, if Realtek STA associates to other AP, STA should set |
| * limitation of aggregation size to 8K, otherwise, performance of traffic stream from STA to AP |
| * will be much less than the traffic stream from AP to STA if both of the stream runs concurrently |
| * at the same time. |
| * |
| * Frame Format |
| * Element ID Length OUI Type1 Reserved |
| * 1 byte 1 byte 3 bytes 1 byte 1 byte |
| * |
| * OUI = 0x00, 0xe0, 0x4c, |
| * Type = 0x02 |
| * Reserved = 0x00 |
| * |
| * 2007.8.21 by Emily |
| */ |
| /******************************************************************************************************************** |
| *function: Construct Information Element in Beacon... in RT2RT condition |
| * input: struct ieee80211_device* ieee |
| * u8* posRT2RTAgg //pointer to store Information Ele |
| * u8* len //store len |
| * output: none |
| * return: none |
| * notice: |
| * *****************************************************************************************************************/ |
| void HTConstructRT2RTAggElement(struct ieee80211_device* ieee, u8* posRT2RTAgg, u8* len) |
| { |
| if (posRT2RTAgg == NULL) { |
| IEEE80211_DEBUG(IEEE80211_DL_ERR, "posRT2RTAgg can't be null in HTConstructRT2RTAggElement()\n"); |
| return; |
| } |
| memset(posRT2RTAgg, 0, *len); |
| *posRT2RTAgg++ = 0x00; |
| *posRT2RTAgg++ = 0xe0; |
| *posRT2RTAgg++ = 0x4c; |
| *posRT2RTAgg++ = 0x02; |
| *posRT2RTAgg++ = 0x01; |
| *posRT2RTAgg = 0x10;//*posRT2RTAgg = 0x02; |
| |
| if(ieee->bSupportRemoteWakeUp) { |
| *posRT2RTAgg |= 0x08;//RT_HT_CAP_USE_WOW; |
| } |
| |
| *len = 6 + 2; |
| return; |
| #ifdef TODO |
| #if(HAL_CODE_BASE == RTL8192 && DEV_BUS_TYPE == USB_INTERFACE) |
| /* |
| //Emily. If it is required to Ask Realtek AP to send AMPDU during AES mode, enable this |
| section of code. |
| if(IS_UNDER_11N_AES_MODE(Adapter)) |
| { |
| posRT2RTAgg->Octet[5] |=RT_HT_CAP_USE_AMPDU; |
| }else |
| { |
| posRT2RTAgg->Octet[5] &= 0xfb; |
| } |
| */ |
| |
| #else |
| // Do Nothing |
| #endif |
| |
| posRT2RTAgg->Length = 6; |
| #endif |
| |
| |
| |
| |
| } |
| |
| |
| /******************************************************************************************************************** |
| *function: Pick the right Rate Adaptive table to use |
| * input: struct ieee80211_device* ieee |
| * u8* pOperateMCS //A pointer to MCS rate bitmap |
| * return: always we return true |
| * notice: |
| * *****************************************************************************************************************/ |
| u8 HT_PickMCSRate(struct ieee80211_device* ieee, u8* pOperateMCS) |
| { |
| u8 i; |
| if (pOperateMCS == NULL) |
| { |
| IEEE80211_DEBUG(IEEE80211_DL_ERR, "pOperateMCS can't be null in HT_PickMCSRate()\n"); |
| return false; |
| } |
| |
| switch(ieee->mode) |
| { |
| case IEEE_A: |
| case IEEE_B: |
| case IEEE_G: |
| //legacy rate routine handled at selectedrate |
| |
| //no MCS rate |
| for(i=0;i<=15;i++){ |
| pOperateMCS[i] = 0; |
| } |
| break; |
| |
| case IEEE_N_24G: //assume CCK rate ok |
| case IEEE_N_5G: |
| // Legacy part we only use 6, 5.5,2,1 for N_24G and 6 for N_5G. |
| // Legacy part shall be handled at SelectRateSet(). |
| |
| //HT part |
| // TODO: may be different if we have different number of antenna |
| pOperateMCS[0] &=RATE_ADPT_1SS_MASK; //support MCS 0~7 |
| pOperateMCS[1] &=RATE_ADPT_2SS_MASK; |
| pOperateMCS[3] &=RATE_ADPT_MCS32_MASK; |
| break; |
| |
| //should never reach here |
| default: |
| |
| break; |
| |
| } |
| |
| return true; |
| } |
| |
| /* |
| * Description: |
| * This function will get the highest speed rate in input MCS set. |
| * |
| * /param Adapter Pionter to Adapter entity |
| * pMCSRateSet Pointer to MCS rate bitmap |
| * pMCSFilter Pointer to MCS rate filter |
| * |
| * /return Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter. |
| * |
| */ |
| /******************************************************************************************************************** |
| *function: This function will get the highest speed rate in input MCS set. |
| * input: struct ieee80211_device* ieee |
| * u8* pMCSRateSet //Pointer to MCS rate bitmap |
| * u8* pMCSFilter //Pointer to MCS rate filter |
| * return: Highest MCS rate included in pMCSRateSet and filtered by pMCSFilter |
| * notice: |
| * *****************************************************************************************************************/ |
| u8 HTGetHighestMCSRate(struct ieee80211_device* ieee, u8* pMCSRateSet, u8* pMCSFilter) |
| { |
| u8 i, j; |
| u8 bitMap; |
| u8 mcsRate = 0; |
| u8 availableMcsRate[16]; |
| if (pMCSRateSet == NULL || pMCSFilter == NULL) |
| { |
| IEEE80211_DEBUG(IEEE80211_DL_ERR, "pMCSRateSet or pMCSFilter can't be null in HTGetHighestMCSRate()\n"); |
| return false; |
| } |
| for(i=0; i<16; i++) |
| availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i]; |
| |
| for(i = 0; i < 16; i++) |
| { |
| if(availableMcsRate[i] != 0) |
| break; |
| } |
| if(i == 16) |
| return false; |
| |
| for(i = 0; i < 16; i++) |
| { |
| if(availableMcsRate[i] != 0) |
| { |
| bitMap = availableMcsRate[i]; |
| for(j = 0; j < 8; j++) |
| { |
| if((bitMap%2) != 0) |
| { |
| if(HTMcsToDataRate(ieee, (8*i+j)) > HTMcsToDataRate(ieee, mcsRate)) |
| mcsRate = (8*i+j); |
| } |
| bitMap = bitMap>>1; |
| } |
| } |
| } |
| return (mcsRate|0x80); |
| } |
| |
| |
| |
| /* |
| ** |
| **1.Filter our operation rate set with AP's rate set |
| **2.shall reference channel bandwidth, STBC, Antenna number |
| **3.generate rate adative table for firmware |
| **David 20060906 |
| ** |
| ** \pHTSupportedCap: the connected STA's supported rate Capability element |
| */ |
| u8 HTFilterMCSRate( struct ieee80211_device* ieee, u8* pSupportMCS, u8* pOperateMCS) |
| { |
| |
| u8 i=0; |
| |
| // filter out operational rate set not supported by AP, the lenth of it is 16 |
| for(i=0;i<=15;i++){ |
| pOperateMCS[i] = ieee->Regdot11HTOperationalRateSet[i]&pSupportMCS[i]; |
| } |
| |
| |
| // TODO: adjust our operational rate set according to our channel bandwidth, STBC and Antenna number |
| |
| // TODO: fill suggested rate adaptive rate index and give firmware info using Tx command packet |
| // we also shall suggested the first start rate set according to our singal strength |
| HT_PickMCSRate(ieee, pOperateMCS); |
| |
| // For RTL819X, if pairwisekey = wep/tkip, we support only MCS0~7. |
| if(ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) |
| pOperateMCS[1] = 0; |
| |
| // |
| // For RTL819X, we support only MCS0~15. |
| // And also, we do not know how to use MCS32 now. |
| // |
| for(i=2; i<=15; i++) |
| pOperateMCS[i] = 0; |
| |
| return true; |
| } |
| void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset); |
| |
| void HTOnAssocRsp(struct ieee80211_device *ieee) |
| { |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| PHT_CAPABILITY_ELE pPeerHTCap = NULL; |
| PHT_INFORMATION_ELE pPeerHTInfo = NULL; |
| u16 nMaxAMSDUSize = 0; |
| u8* pMcsFilter = NULL; |
| |
| static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily |
| static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; // For 11n EWC definition, 2007.07.17, by Emily |
| |
| if( pHTInfo->bCurrentHTSupport == false ) |
| { |
| IEEE80211_DEBUG(IEEE80211_DL_ERR, "<=== HTOnAssocRsp(): HT_DISABLE\n"); |
| return; |
| } |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n"); |
| // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTCapBuf, sizeof(HT_CAPABILITY_ELE)); |
| // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTInfoBuf, sizeof(HT_INFORMATION_ELE)); |
| |
| // HTDebugHTCapability(pHTInfo->PeerHTCapBuf,"HTOnAssocRsp_wq"); |
| // HTDebugHTInfo(pHTInfo->PeerHTInfoBuf,"HTOnAssocRsp_wq"); |
| // |
| if(!memcmp(pHTInfo->PeerHTCapBuf,EWC11NHTCap, sizeof(EWC11NHTCap))) |
| pPeerHTCap = (PHT_CAPABILITY_ELE)(&pHTInfo->PeerHTCapBuf[4]); |
| else |
| pPeerHTCap = (PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf); |
| |
| if(!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo))) |
| pPeerHTInfo = (PHT_INFORMATION_ELE)(&pHTInfo->PeerHTInfoBuf[4]); |
| else |
| pPeerHTInfo = (PHT_INFORMATION_ELE)(pHTInfo->PeerHTInfoBuf); |
| |
| |
| //////////////////////////////////////////////////////// |
| // Configurations: |
| //////////////////////////////////////////////////////// |
| IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTCap, sizeof(HT_CAPABILITY_ELE)); |
| // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTInfo, sizeof(HT_INFORMATION_ELE)); |
| // Config Supported Channel Width setting |
| // |
| HTSetConnectBwMode(ieee, (HT_CHANNEL_WIDTH)(pPeerHTCap->ChlWidth), (HT_EXTCHNL_OFFSET)(pPeerHTInfo->ExtChlOffset)); |
| |
| // if(pHTInfo->bCurBW40MHz == true) |
| pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1)?true:false); |
| |
| // |
| // Update short GI/ long GI setting |
| // |
| // TODO: |
| pHTInfo->bCurShortGI20MHz= |
| ((pHTInfo->bRegShortGI20MHz)?((pPeerHTCap->ShortGI20Mhz==1)?true:false):false); |
| pHTInfo->bCurShortGI40MHz= |
| ((pHTInfo->bRegShortGI40MHz)?((pPeerHTCap->ShortGI40Mhz==1)?true:false):false); |
| |
| // |
| // Config TX STBC setting |
| // |
| // TODO: |
| |
| // |
| // Config DSSS/CCK mode in 40MHz mode |
| // |
| // TODO: |
| pHTInfo->bCurSuppCCK = |
| ((pHTInfo->bRegSuppCCK)?((pPeerHTCap->DssCCk==1)?true:false):false); |
| |
| |
| // |
| // Config and configure A-MSDU setting |
| // |
| pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; |
| |
| nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize==0)?3839:7935; |
| |
| if(pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize ) |
| pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize; |
| else |
| pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; |
| |
| // |
| // Config A-MPDU setting |
| // |
| pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; |
| if(ieee->is_ap_in_wep_tkip && ieee->is_ap_in_wep_tkip(ieee->dev)) |
| { |
| if( (pHTInfo->IOTPeer== HT_IOT_PEER_ATHEROS) || |
| (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN) ) |
| pHTInfo->bCurrentAMPDUEnable = false; |
| } |
| |
| // <1> Decide AMPDU Factor |
| |
| // By Emily |
| if(!pHTInfo->bRegRT2RTAggregation) |
| { |
| // Decide AMPDU Factor according to protocol handshake |
| if(pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor) |
| pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor; |
| else |
| pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; |
| |
| }else |
| { |
| // Set MPDU density to 2 to Realtek AP, and set it to 0 for others |
| // Replace MPDU factor declared in original association response frame format. 2007.08.20 by Emily |
| if (ieee->current_network.bssht.bdRT2RTAggregation) |
| { |
| if( ieee->pairwise_key_type != KEY_TYPE_NA) |
| // Realtek may set 32k in security mode and 64k for others |
| pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor; |
| else |
| pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K; |
| }else |
| { |
| if(pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K) |
| pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor; |
| else |
| pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K; |
| } |
| } |
| |
| // <2> Set AMPDU Minimum MPDU Start Spacing |
| // 802.11n 3.0 section 9.7d.3 |
| #if 1 |
| if(pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity) |
| pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; |
| else |
| pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity; |
| if(ieee->pairwise_key_type != KEY_TYPE_NA ) |
| pHTInfo->CurrentMPDUDensity = 7; // 8us |
| #else |
| if(pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity) |
| pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; |
| else |
| pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity; |
| #endif |
| // Force TX AMSDU |
| |
| // Lanhsin: mark for tmp to avoid deauth by ap from s3 |
| //if(memcmp(pMgntInfo->Bssid, NETGEAR834Bv2_BROADCOM, 3)==0) |
| if(pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K) |
| { |
| |
| pHTInfo->bCurrentAMPDUEnable = false; |
| pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE; |
| pHTInfo->ForcedAMSDUMaxSize = 7935; |
| } |
| |
| // Rx Reorder Setting |
| pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable; |
| |
| // |
| // Filter out unsupported HT rate for this AP |
| // Update RATR table |
| // This is only for 8190 ,8192 or later product which using firmware to handle rate adaptive mechanism. |
| // |
| |
| // Handle Ralink AP bad MCS rate set condition. Joseph. |
| // This fix the bug of Ralink AP. This may be removed in the future. |
| if(pPeerHTCap->MCS[0] == 0) |
| pPeerHTCap->MCS[0] = 0xff; |
| |
| // Joseph test //LZM ADD 090318 |
| HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1])!=0)); |
| |
| HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet); |
| |
| // |
| // Config MIMO Power Save setting |
| // |
| pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave; |
| if(pHTInfo->PeerMimoPs == MIMO_PS_STATIC) |
| pMcsFilter = MCS_FILTER_1SS; |
| else |
| pMcsFilter = MCS_FILTER_ALL; |
| //WB add for MCS8 bug |
| // pMcsFilter = MCS_FILTER_1SS; |
| ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, pMcsFilter); |
| ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; |
| |
| // |
| // Config current operation mode. |
| // |
| pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; |
| |
| |
| |
| } |
| |
| void HTSetConnectBwModeCallback(struct ieee80211_device* ieee); |
| /******************************************************************************************************************** |
| *function: initialize HT info(struct PRT_HIGH_THROUGHPUT) |
| * input: struct ieee80211_device* ieee |
| * output: none |
| * return: none |
| * notice: This function is called when * (1) MPInitialization Phase * (2) Receiving of Deauthentication from AP |
| ********************************************************************************************************************/ |
| // TODO: Should this funciton be called when receiving of Disassociation? |
| void HTInitializeHTInfo(struct ieee80211_device* ieee) |
| { |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| |
| // |
| // These parameters will be reset when receiving deauthentication packet |
| // |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "===========>%s()\n", __FUNCTION__); |
| pHTInfo->bCurrentHTSupport = false; |
| |
| // 40MHz channel support |
| pHTInfo->bCurBW40MHz = false; |
| pHTInfo->bCurTxBW40MHz = false; |
| |
| // Short GI support |
| pHTInfo->bCurShortGI20MHz = false; |
| pHTInfo->bCurShortGI40MHz = false; |
| pHTInfo->bForcedShortGI = false; |
| |
| // CCK rate support |
| // This flag is set to true to support CCK rate by default. |
| // It will be affected by "pHTInfo->bRegSuppCCK" and AP capabilities only when associate to |
| // 11N BSS. |
| pHTInfo->bCurSuppCCK = true; |
| |
| // AMSDU related |
| pHTInfo->bCurrent_AMSDU_Support = false; |
| pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; |
| |
| // AMPUD related |
| pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density; |
| pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; |
| |
| |
| |
| // Initialize all of the parameters related to 11n |
| memset((void*)(&(pHTInfo->SelfHTCap)), 0, sizeof(pHTInfo->SelfHTCap)); |
| memset((void*)(&(pHTInfo->SelfHTInfo)), 0, sizeof(pHTInfo->SelfHTInfo)); |
| memset((void*)(&(pHTInfo->PeerHTCapBuf)), 0, sizeof(pHTInfo->PeerHTCapBuf)); |
| memset((void*)(&(pHTInfo->PeerHTInfoBuf)), 0, sizeof(pHTInfo->PeerHTInfoBuf)); |
| |
| pHTInfo->bSwBwInProgress = false; |
| pHTInfo->ChnlOp = CHNLOP_NONE; |
| |
| // Set default IEEE spec for Draft N |
| pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE; |
| |
| // Realtek proprietary aggregation mode |
| pHTInfo->bCurrentRT2RTAggregation = false; |
| pHTInfo->bCurrentRT2RTLongSlotTime = false; |
| pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0; |
| |
| pHTInfo->IOTPeer = 0; |
| pHTInfo->IOTAction = 0; |
| pHTInfo->IOTRaFunc = 0; |
| |
| //MCS rate initialized here |
| { |
| u8* RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]); |
| RegHTSuppRateSets[0] = 0xFF; //support MCS 0~7 |
| RegHTSuppRateSets[1] = 0xFF; //support MCS 8~15 |
| RegHTSuppRateSets[4] = 0x01; //support MCS 32 |
| } |
| } |
| /******************************************************************************************************************** |
| *function: initialize Bss HT structure(struct PBSS_HT) |
| * input: PBSS_HT pBssHT //to be initialized |
| * output: none |
| * return: none |
| * notice: This function is called when initialize network structure |
| ********************************************************************************************************************/ |
| void HTInitializeBssDesc(PBSS_HT pBssHT) |
| { |
| |
| pBssHT->bdSupportHT = false; |
| memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf)); |
| pBssHT->bdHTCapLen = 0; |
| memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf)); |
| pBssHT->bdHTInfoLen = 0; |
| |
| pBssHT->bdHTSpecVer= HT_SPEC_VER_IEEE; |
| |
| pBssHT->bdRT2RTAggregation = false; |
| pBssHT->bdRT2RTLongSlotTime = false; |
| pBssHT->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0; |
| } |
| |
| /******************************************************************************************************************** |
| *function: initialize Bss HT structure(struct PBSS_HT) |
| * input: struct ieee80211_device *ieee |
| * struct ieee80211_network *pNetwork //usually current network we are live in |
| * output: none |
| * return: none |
| * notice: This function should ONLY be called before association |
| ********************************************************************************************************************/ |
| void HTResetSelfAndSavePeerSetting(struct ieee80211_device* ieee, struct ieee80211_network * pNetwork) |
| { |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| // u16 nMaxAMSDUSize; |
| // PHT_CAPABILITY_ELE pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf; |
| // PHT_INFORMATION_ELE pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf; |
| // u8* pMcsFilter; |
| u8 bIOTAction = 0; |
| |
| // |
| // Save Peer Setting before Association |
| // |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "==============>%s()\n", __FUNCTION__); |
| /*unmark bEnableHT flag here is the same reason why unmarked in function ieee80211_softmac_new_net. WB 2008.09.10*/ |
| // if( pHTInfo->bEnableHT && pNetwork->bssht.bdSupportHT) |
| if (pNetwork->bssht.bdSupportHT) |
| { |
| pHTInfo->bCurrentHTSupport = true; |
| pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer; |
| |
| // Save HTCap and HTInfo information Element |
| if(pNetwork->bssht.bdHTCapLen > 0 && pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf)) |
| memcpy(pHTInfo->PeerHTCapBuf, pNetwork->bssht.bdHTCapBuf, pNetwork->bssht.bdHTCapLen); |
| |
| if(pNetwork->bssht.bdHTInfoLen > 0 && pNetwork->bssht.bdHTInfoLen <= sizeof(pHTInfo->PeerHTInfoBuf)) |
| memcpy(pHTInfo->PeerHTInfoBuf, pNetwork->bssht.bdHTInfoBuf, pNetwork->bssht.bdHTInfoLen); |
| |
| // Check whether RT to RT aggregation mode is enabled |
| if(pHTInfo->bRegRT2RTAggregation) |
| { |
| pHTInfo->bCurrentRT2RTAggregation = pNetwork->bssht.bdRT2RTAggregation; |
| pHTInfo->bCurrentRT2RTLongSlotTime = pNetwork->bssht.bdRT2RTLongSlotTime; |
| pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode; |
| } |
| else |
| { |
| pHTInfo->bCurrentRT2RTAggregation = false; |
| pHTInfo->bCurrentRT2RTLongSlotTime = false; |
| pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0; |
| } |
| |
| // Determine the IOT Peer Vendor. |
| HTIOTPeerDetermine(ieee); |
| |
| // Decide IOT Action |
| // Must be called after the parameter of pHTInfo->bCurrentRT2RTAggregation is decided |
| pHTInfo->IOTAction = 0; |
| bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14; |
| |
| bIOTAction = HTIOTActIsDisableMCS15(ieee); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15; |
| |
| bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS; |
| |
| |
| bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO; |
| |
| bIOTAction = HTIOTActIsMgntUseCCK6M(pNetwork); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M; |
| |
| bIOTAction = HTIOTActIsCCDFsync(pNetwork->bssid); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC; |
| |
| bIOTAction = HTIOTActIsForcedCTS2Self(pNetwork); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_CTS2SELF; |
| |
| //bIOTAction = HTIOTActIsForcedRTSCTS(ieee, pNetwork); |
| //if(bIOTAction) |
| // pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_RTS; |
| |
| bIOTAction = HTIOCActRejcectADDBARequest(pNetwork); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_REJECT_ADDBA_REQ; |
| |
| bIOTAction = HTIOCActAllowPeerAggOnePacket(ieee, pNetwork); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_ALLOW_PEER_AGG_ONE_PKT; |
| |
| bIOTAction = HTIOTActIsEDCABiasRx(ieee, pNetwork); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_EDCA_BIAS_ON_RX; |
| |
| bIOTAction = HTIOTActDisableShortGI(ieee, pNetwork); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_SHORT_GI; |
| |
| bIOTAction = HTIOTActDisableHighPower(ieee, pNetwork); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_HIGH_POWER; |
| |
| bIOTAction = HTIOTActIsForcedAMSDU8K(ieee, pNetwork); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_TX_USE_AMSDU_8K; |
| |
| bIOTAction = HTIOTActIsTxNoAggregation(ieee, pNetwork); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_TX_NO_AGGREGATION; |
| |
| bIOTAction = HTIOTActIsDisableTx40MHz(ieee, pNetwork); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_TX_40_MHZ; |
| |
| bIOTAction = HTIOTActIsDisableTx2SS(ieee, pNetwork); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_TX_2SS; |
| //must after HT_IOT_ACT_TX_NO_AGGREGATION |
| bIOTAction = HTIOTActIsForcedRTSCTS(ieee, pNetwork); |
| if(bIOTAction) |
| pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_RTS; |
| |
| printk("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!IOTAction = %8.8x\n", pHTInfo->IOTAction); |
| } |
| else |
| { |
| pHTInfo->bCurrentHTSupport = false; |
| pHTInfo->bCurrentRT2RTAggregation = false; |
| pHTInfo->bCurrentRT2RTLongSlotTime = false; |
| pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0; |
| |
| pHTInfo->IOTAction = 0; |
| pHTInfo->IOTRaFunc = 0; |
| } |
| |
| } |
| |
| void HTUpdateSelfAndPeerSetting(struct ieee80211_device* ieee, struct ieee80211_network * pNetwork) |
| { |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| // PHT_CAPABILITY_ELE pPeerHTCap = (PHT_CAPABILITY_ELE)pNetwork->bssht.bdHTCapBuf; |
| PHT_INFORMATION_ELE pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf; |
| |
| if(pHTInfo->bCurrentHTSupport) |
| { |
| // |
| // Config current operation mode. |
| // |
| if(pNetwork->bssht.bdHTInfoLen != 0) |
| pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode; |
| |
| // |
| // <TODO: Config according to OBSS non-HT STA present!!> |
| // |
| } |
| } |
| |
| void HTUseDefaultSetting(struct ieee80211_device* ieee) |
| { |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| // u8 regBwOpMode; |
| |
| if(pHTInfo->bEnableHT) |
| { |
| pHTInfo->bCurrentHTSupport = true; |
| |
| pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK; |
| |
| pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz; |
| |
| pHTInfo->bCurShortGI20MHz= pHTInfo->bRegShortGI20MHz; |
| |
| pHTInfo->bCurShortGI40MHz= pHTInfo->bRegShortGI40MHz; |
| |
| pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support; |
| |
| pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize; |
| |
| pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable; |
| |
| pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor; |
| |
| pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity; |
| |
| // Set BWOpMode register |
| |
| //update RATR index0 |
| HTFilterMCSRate(ieee, ieee->Regdot11HTOperationalRateSet, ieee->dot11HTOperationalRateSet); |
| //function below is not implemented at all. WB |
| #ifdef TODO |
| Adapter->HalFunc.InitHalRATRTableHandler( Adapter, &pMgntInfo->dot11OperationalRateSet, pMgntInfo->dot11HTOperationalRateSet); |
| #endif |
| ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, MCS_FILTER_ALL); |
| ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate; |
| |
| } |
| else |
| { |
| pHTInfo->bCurrentHTSupport = false; |
| } |
| return; |
| } |
| /******************************************************************************************************************** |
| *function: check whether HT control field exists |
| * input: struct ieee80211_device *ieee |
| * u8* pFrame //coming skb->data |
| * output: none |
| * return: return true if HT control field exists(false otherwise) |
| * notice: |
| ********************************************************************************************************************/ |
| u8 HTCCheck(struct ieee80211_device* ieee, u8* pFrame) |
| { |
| if(ieee->pHTInfo->bCurrentHTSupport) |
| { |
| if( (IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1) |
| { |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "HT CONTROL FILED EXIST!!\n"); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| // |
| // This function set bandwidth mode in protocol layer. |
| // |
| void HTSetConnectBwMode(struct ieee80211_device* ieee, HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset) |
| { |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| // u32 flags = 0; |
| |
| if(pHTInfo->bRegBW40MHz == false) |
| return; |
| |
| |
| |
| // To reduce dummy operation |
| // if((pHTInfo->bCurBW40MHz==false && Bandwidth==HT_CHANNEL_WIDTH_20) || |
| // (pHTInfo->bCurBW40MHz==true && Bandwidth==HT_CHANNEL_WIDTH_20_40 && Offset==pHTInfo->CurSTAExtChnlOffset)) |
| // return; |
| |
| // spin_lock_irqsave(&(ieee->bw_spinlock), flags); |
| if(pHTInfo->bSwBwInProgress) { |
| // spin_unlock_irqrestore(&(ieee->bw_spinlock), flags); |
| return; |
| } |
| //if in half N mode, set to 20M bandwidth please 09.08.2008 WB. |
| if(Bandwidth==HT_CHANNEL_WIDTH_20_40 && (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))) |
| { |
| // Handle Illegal extention channel offset!! |
| if(ieee->current_network.channel<2 && Offset==HT_EXTCHNL_OFFSET_LOWER) |
| Offset = HT_EXTCHNL_OFFSET_NO_EXT; |
| if(Offset==HT_EXTCHNL_OFFSET_UPPER || Offset==HT_EXTCHNL_OFFSET_LOWER) { |
| pHTInfo->bCurBW40MHz = true; |
| pHTInfo->CurSTAExtChnlOffset = Offset; |
| } else { |
| pHTInfo->bCurBW40MHz = false; |
| pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; |
| } |
| } else { |
| pHTInfo->bCurBW40MHz = false; |
| pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT; |
| } |
| |
| pHTInfo->bSwBwInProgress = true; |
| |
| // TODO: 2007.7.13 by Emily Wait 2000ms in order to garantee that switching |
| // bandwidth is executed after scan is finished. It is a temporal solution |
| // because software should ganrantee the last operation of switching bandwidth |
| // is executed properlly. |
| HTSetConnectBwModeCallback(ieee); |
| |
| // spin_unlock_irqrestore(&(ieee->bw_spinlock), flags); |
| } |
| |
| void HTSetConnectBwModeCallback(struct ieee80211_device* ieee) |
| { |
| PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; |
| |
| IEEE80211_DEBUG(IEEE80211_DL_HT, "======>%s()\n", __FUNCTION__); |
| if(pHTInfo->bCurBW40MHz) |
| { |
| if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_UPPER) |
| ieee->set_chan(ieee->dev, ieee->current_network.channel+2); |
| else if(pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_LOWER) |
| ieee->set_chan(ieee->dev, ieee->current_network.channel-2); |
| else |
| ieee->set_chan(ieee->dev, ieee->current_network.channel); |
| |
| ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, pHTInfo->CurSTAExtChnlOffset); |
| } else { |
| ieee->set_chan(ieee->dev, ieee->current_network.channel); |
| ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT); |
| } |
| |
| pHTInfo->bSwBwInProgress = false; |
| } |