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path: root/drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c
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Diffstat (limited to 'drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c')
-rw-r--r--drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c2037
1 files changed, 2037 insertions, 0 deletions
diff --git a/drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c b/drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c
new file mode 100644
index 00000000000..f357085f664
--- /dev/null
+++ b/drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c
@@ -0,0 +1,2037 @@
+
+//As this function is mainly ported from Windows driver, so leave the name little changed. If any confusion caused, tell me. Created by WB. 2008.05.08
+#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 NETGEAR834Bv2_BROADCOM[3] = {0x00, 0x1b, 0x2f};
+static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f}; //cosa 03202008
+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 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4};
+// 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Shoud we put the
+// code in other place??
+//static u8 WIFI_CISCO_G_AP[3] = {0x00, 0x40, 0x96};
+/********************************************************************************************************************
+ *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;
+
+#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
+ pHTInfo->UsbTxAggrNum = 4;
+#endif
+#ifdef USB_RX_AGGREGATION_SUPPORT
+#ifdef RTL8192SU
+ pHTInfo->UsbRxFwAggrEn = 1;
+ pHTInfo->UsbRxFwAggrPageNum = 16;
+ pHTInfo->UsbRxFwAggrPacketNum = 8;
+ pHTInfo->UsbRxFwAggrTimeout = 4; ////usb rx FW aggregation timeout threshold.It's in units of 64us
+ // For page size of receive packet buffer.
+ pHTInfo->UsbRxPageSize= 128;
+#else
+ pHTInfo->UsbRxFwAggrEn = 1;
+ pHTInfo->UsbRxFwAggrPageNum = 24;
+ pHTInfo->UsbRxFwAggrPacketNum = 8;
+ pHTInfo->UsbRxFwAggrTimeout = 16; ////usb rx FW aggregation timeout threshold.It's in units of 64us
+#endif
+#endif
+
+
+}
+/********************************************************************************************************************
+ *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 0
+ if(pMgntInfo->bHalfNMode == false)
+ retValue = false;
+ else
+#endif
+ 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)||
+ (memcmp(net->bssid, NETGEAR834Bv2_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)||
+ (memcmp(net->bssid, NETGEAR834Bv2_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)
+ 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;
+#if 0
+ // Apply for 819u only
+#if (HAL_CODE_BASE==RTL8192 && DEV_BUS_TYPE==USB_INTERFACE)
+ if((memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0) ||
+ (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)
+ )
+ {
+ ret = 1;
+ }
+
+
+ if(pHTInfo->bCurrentRT2RTAggregation)
+ {
+ // The parameter of pHTInfo->bCurrentRT2RTAggregation must be decided previously
+ ret = 1;
+ }
+#endif
+#endif
+ 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
+#if (defined(RTL8192SE) || (defined(RTL8192SU)))
+ 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
+#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;
+#if 0
+ if((memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0)||
+ (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
+ (memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
+ (memcmp(PeerMacAddr, NETGEAR834Bv2_BROADCOM, 3)==0))
+
+ {
+ retValue = 1; //Linksys disable EDCA turbo mode
+ }
+
+ return retValue;
+#endif
+}
+
+/********************************************************************************************************************
+ *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 defined(RTL8192SE) || defined(RTL8192SU)
+ 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;
+ }
+ }
+#endif
+ return retValue;
+}
+
+u8
+HTIOTActIsForcedAMSDU8K(struct ieee80211_device *ieee, struct ieee80211_network *network)
+{
+ u8 retValue = 0;
+
+ return retValue;
+}
+
+u8 HTIOTActIsCCDFsync(u8* PeerMacAddr)
+{
+ u8 retValue = 0;
+#ifndef RTL8192SE
+ if( (memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3)==0) ||
+ (memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0) ||
+ (memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) ==0))
+ {
+ retValue = 1;
+ }
+#endif
+ 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)
+ //)
+#if (defined RTL8192SE || defined RTL8192SU)
+ {
+ // 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;
+
+ }
+#endif
+
+ 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))
+#ifdef RTL8192SU
+ 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;
+
+ }
+#endif
+ 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;
+
+#if (defined RTL8192SU || defined RTL8192SE)
+ 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;
+ }
+#endif
+
+ return retValue;
+}
+
+u8
+HTIOTActIsTxNoAggregation(struct ieee80211_device* ieee,struct ieee80211_network *network)
+{
+ u8 retValue = 0;
+
+#if (defined RTL8192SU || defined RTL8192SE)
+ 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;
+ }
+#endif
+
+ return retValue;
+}
+
+
+u8
+HTIOTActIsDisableTx2SS(struct ieee80211_device* ieee,struct ieee80211_network *network)
+{
+ u8 retValue = 0;
+
+#if (defined RTL8192SU || defined RTL8192SE)
+ 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;
+ }
+#endif
+
+ return retValue;
+}
+
+
+bool HTIOCActAllowPeerAggOnePacket(struct ieee80211_device* ieee,struct ieee80211_network *network)
+{
+ bool retValue = false;
+#if defined(RTL8192SE) || defined(RTL8192SU)
+ PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
+ {
+ if(pHTInfo->IOTPeer == HT_IOT_PEER_MARVELL)
+ return true;
+
+ }
+#endif
+ 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);
+#if 0
+//I need move this function to other places, such as rx?
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
+void HTOnAssocRsp_wq(struct work_struct *work)
+{
+ struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ht_onAssRsp);
+#else
+void HTOnAssocRsp_wq(struct ieee80211_device *ieee)
+{
+#endif
+#endif
+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 0
+ osTmp= PacketGetElement( asocpdu, EID_Vendor, OUI_SUB_REALTEK_AGG, OUI_SUBTYPE_DONT_CARE);
+ if(osTmp.Length >= 5) //00:e0:4c:02:00
+#endif
+ 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;
+}
+#if 0
+//below function has merged into ieee80211_network_init() in ieee80211_rx.c
+void
+HTParsingHTCapElement(
+ IN PADAPTER Adapter,
+ IN OCTET_STRING HTCapIE,
+ OUT PRT_WLAN_BSS pBssDesc
+)
+{
+ PMGNT_INFO pMgntInfo = &Adapter->MgntInfo;
+
+ if( HTCapIE.Length > sizeof(pBssDesc->BssHT.bdHTCapBuf) )
+ {
+ RT_TRACE( COMP_HT, DBG_LOUD, ("HTParsingHTCapElement(): HT Capability Element length is too long!\n") );
+ return;
+ }
+
+ // TODO: Check the correctness of HT Cap
+ //Print each field in detail. Driver should not print out this message by default
+ if(!pMgntInfo->mActingAsAp && !pMgntInfo->mAssoc)
+ HTDebugHTCapability(DBG_TRACE, Adapter, &HTCapIE, (pu8)"HTParsingHTCapElement()");
+
+ HTCapIE.Length = HTCapIE.Length > sizeof(pBssDesc->BssHT.bdHTCapBuf)?\
+ sizeof(pBssDesc->BssHT.bdHTCapBuf):HTCapIE.Length; //prevent from overflow
+
+ CopyMem(pBssDesc->BssHT.bdHTCapBuf, HTCapIE.Octet, HTCapIE.Length);
+ pBssDesc->BssHT.bdHTCapLen = HTCapIE.Length;
+
+}
+
+
+void
+HTParsingHTInfoElement(
+ PADAPTER Adapter,
+ OCTET_STRING HTInfoIE,
+ PRT_WLAN_BSS pBssDesc
+)
+{
+ PMGNT_INFO pMgntInfo = &Adapter->MgntInfo;
+
+ if( HTInfoIE.Length > sizeof(pBssDesc->BssHT.bdHTInfoBuf))
+ {
+ RT_TRACE( COMP_HT, DBG_LOUD, ("HTParsingHTInfoElement(): HT Information Element length is too long!\n") );
+ return;
+ }
+
+ // TODO: Check the correctness of HT Info
+ //Print each field in detail. Driver should not print out this message by default
+ if(!pMgntInfo->mActingAsAp && !pMgntInfo->mAssoc)
+ HTDebugHTInfo(DBG_TRACE, Adapter, &HTInfoIE, (pu8)"HTParsingHTInfoElement()");
+
+ HTInfoIE.Length = HTInfoIE.Length > sizeof(pBssDesc->BssHT.bdHTInfoBuf)?\
+ sizeof(pBssDesc->BssHT.bdHTInfoBuf):HTInfoIE.Length; //prevent from overflow
+
+ CopyMem( pBssDesc->BssHT.bdHTInfoBuf, HTInfoIE.Octet, HTInfoIE.Length);
+ pBssDesc->BssHT.bdHTInfoLen = HTInfoIE.Length;
+}
+
+/*
+ * Get HT related information from beacon and save it in BssDesc
+ *
+ * (1) Parse HTCap, and HTInfo, and record whether it is 11n AP
+ * (2) If peer is HT, but not WMM, call QosSetLegacyWMMParamWithHT()
+ * (3) Check whether peer is Realtek AP (for Realtek proprietary aggregation mode).
+ * Input:
+ * PADAPTER Adapter
+ *
+ * Output:
+ * PRT_TCB BssDesc
+ *
+*/
+void HTGetValueFromBeaconOrProbeRsp(
+ PADAPTER Adapter,
+ POCTET_STRING pSRCmmpdu,
+ PRT_WLAN_BSS bssDesc
+)
+{
+ PMGNT_INFO pMgntInfo = &Adapter->MgntInfo;
+ PRT_HIGH_THROUGHPUT pHTInfo = GET_HT_INFO(pMgntInfo);
+ OCTET_STRING HTCapIE, HTInfoIE, HTRealtekAgg, mmpdu;
+ OCTET_STRING BroadcomElement, CiscoElement;
+
+ mmpdu.Octet = pSRCmmpdu->Octet;
+ mmpdu.Length = pSRCmmpdu->Length;
+
+ //2Note:
+ // Mark for IOT testing using Linksys WRT350N, This AP does not contain WMM IE when
+ // it is configured at pure-N mode.
+ // if(bssDesc->BssQos.bdQoSMode & QOS_WMM)
+ //
+
+ HTInitializeBssDesc (&bssDesc->BssHT);
+
+ //2<1> Parse HTCap, and HTInfo
+ // Get HT Capability IE: (1) Get IEEE Draft N IE or (2) Get EWC IE
+ HTCapIE = PacketGetElement(mmpdu, EID_HTCapability, OUI_SUB_DONT_CARE, OUI_SUBTYPE_DONT_CARE);
+ if(HTCapIE.Length == 0)
+ {
+ HTCapIE = PacketGetElement(mmpdu, EID_Vendor, OUI_SUB_11N_EWC_HT_CAP, OUI_SUBTYPE_DONT_CARE);
+ if(HTCapIE.Length != 0)
+ bssDesc->BssHT.bdHTSpecVer= HT_SPEC_VER_EWC;
+ }
+ if(HTCapIE.Length != 0)
+ HTParsingHTCapElement(Adapter, HTCapIE, bssDesc);
+
+ // Get HT Information IE: (1) Get IEEE Draft N IE or (2) Get EWC IE
+ HTInfoIE = PacketGetElement(mmpdu, EID_HTInfo, OUI_SUB_DONT_CARE, OUI_SUBTYPE_DONT_CARE);
+ if(HTInfoIE.Length == 0)
+ {
+ HTInfoIE = PacketGetElement(mmpdu, EID_Vendor, OUI_SUB_11N_EWC_HT_INFO, OUI_SUBTYPE_DONT_CARE);
+ if(HTInfoIE.Length != 0)
+ bssDesc->BssHT.bdHTSpecVer = HT_SPEC_VER_EWC;
+ }
+ if(HTInfoIE.Length != 0)
+ HTParsingHTInfoElement(Adapter, HTInfoIE, bssDesc);
+
+ //2<2>If peer is HT, but not WMM, call QosSetLegacyWMMParamWithHT()
+ if(HTCapIE.Length != 0)
+ {
+ bssDesc->BssHT.bdSupportHT = true;
+ if(bssDesc->BssQos.bdQoSMode == QOS_DISABLE)
+ QosSetLegacyWMMParamWithHT(Adapter, bssDesc);
+ }
+ else
+ {
+ bssDesc->BssHT.bdSupportHT = false;
+ }
+
+ //2<3>Check whether the peer is Realtek AP/STA
+ if(pHTInfo->bRegRT2RTAggregation)
+ {
+ if(bssDesc->BssHT.bdSupportHT)
+ {
+ HTRealtekAgg = PacketGetElement(mmpdu, EID_Vendor, OUI_SUB_REALTEK_AGG, OUI_SUBTYPE_DONT_CARE);
+ if(HTRealtekAgg.Length >=5 )
+ {
+ bssDesc->BssHT.bdRT2RTAggregation = true;
+
+ if((HTRealtekAgg.Octet[4]==1) && (HTRealtekAgg.Octet[5] & 0x02))
+ bssDesc->BssHT.bdRT2RTLongSlotTime = true;
+ }
+ }
+ }
+
+ //
+ // 2008/01/25 MH Get Broadcom AP IE for manamgent frame CCK rate problem.
+ // AP can not receive CCK managemtn from from 92E.
+ //
+
+ // Initialize every new bss broadcom cap exist as false..
+ bssDesc->bBroadcomCapExist= false;
+
+ if(HTCapIE.Length != 0 || HTInfoIE.Length != 0)
+ {
+ u4Byte Length = 0;
+
+ FillOctetString(BroadcomElement, NULL, 0);
+
+ BroadcomElement = PacketGetElement( mmpdu, EID_Vendor, OUI_SUB_BROADCOM_IE_1, OUI_SUBTYPE_DONT_CARE);
+ Length += BroadcomElement.Length;
+ BroadcomElement = PacketGetElement( mmpdu, EID_Vendor, OUI_SUB_BROADCOM_IE_2, OUI_SUBTYPE_DONT_CARE);
+ Length += BroadcomElement.Length;
+ BroadcomElement = PacketGetElement( mmpdu, EID_Vendor, OUI_SUB_BROADCOM_IE_3, OUI_SUBTYPE_DONT_CARE);
+ Length += BroadcomElement.Length;
+
+ if(Length > 0)
+ bssDesc->bBroadcomCapExist = true;
+ }
+
+
+ // For Cisco IOT issue
+ CiscoElement = PacketGetElement( mmpdu, EID_Vendor, OUI_SUB_CISCO_IE, OUI_SUBTYPE_DONT_CARE);
+ if(CiscoElement.Length != 0){ // 3: 0x00, 0x40, 0x96 ....
+ bssDesc->bCiscoCapExist = true;
+ }else{
+ bssDesc->bCiscoCapExist = false;
+ }
+}
+
+
+#endif
+/********************************************************************************************************************
+ *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;
+
+#if defined(RTL8192SU)
+ bIOTAction = HTIOCActRejcectADDBARequest(pNetwork);
+ if(bIOTAction)
+ pHTInfo->IOTAction |= HT_IOT_ACT_REJECT_ADDBA_REQ;
+#endif
+
+ 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;
+
+#if defined(RTL8192SU)
+ 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;
+#endif
+
+ bIOTAction = HTIOTActIsForcedAMSDU8K(ieee, pNetwork);
+ if(bIOTAction)
+ pHTInfo->IOTAction |= HT_IOT_ACT_TX_USE_AMSDU_8K;
+
+#if defined(RTL8192SU)
+ 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;
+#endif
+ //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;
+}
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+EXPORT_SYMBOL_NOVERS(HTUpdateSelfAndPeerSetting);
+#else
+EXPORT_SYMBOL(HTUpdateSelfAndPeerSetting);
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 07:37:14 +0000