+++ /dev/null
-/******************************************************************************
- * 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},
- {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} },
- { {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},
- {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} }
- };
-
-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;
-
- // 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)
-{
- 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;
-
- }
- else if(nDataRate >=0x20 && nDataRate <= 0x2f ) //(27, 44)
- {
- is40MHz = 1;
- isShortGI = 0;
-
- }
- else if(nDataRate >= 0x30 && nDataRate <= 0x3f ) //(43, 60)
- {
- is40MHz = 0;
- isShortGI = 1;
-
- }
- else if(nDataRate >= 0x40 && nDataRate <= 0x4f ) //(59, 76)
- {
- is40MHz = 1;
- isShortGI = 1;
-
- }
- 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;
- }
- if(net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP){
- pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP;
- }
- }
- 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;
- 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;
- PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
- {
- if(pHTInfo->IOTPeer==HT_IOT_PEER_ATHEROS ||
- pHTInfo->IOTPeer==HT_IOT_PEER_BROADCOM ||
- pHTInfo->IOTPeer==HT_IOT_PEER_RALINK)
- 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)
- {
- 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 ||
- pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK ||
- pHTInfo->IOTPeer==HT_IOT_PEER_REALTEK_92SE)
- {
- 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)
- 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;
-
- 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->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!!
-
- 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;
-
- 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;
- }
- 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
-#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");
-
- 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));
-
- 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 0
- 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;
-}
projects / mv-sheeva.git / blobdiff