// SPDX-License-Identifier: GPL-2.0
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/*
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* As this function is mainly ported from Windows driver, so leave the name
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* little changed. If any confusion caused, tell me. Created by WB. 2008.05.08
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*/
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#include "ieee80211.h"
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u8 MCS_FILTER_ALL[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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u8 MCS_FILTER_1SS[16] = {0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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u16 MCS_DATA_RATE[2][2][77] = {
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{ {13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78, 104, 156, 208, 234, 260,
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39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416, 468, 520,
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0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182, 182, 208, 156, 195,
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195, 234, 273, 273, 312, 130, 156, 181, 156, 181, 208, 234, 208, 234, 260, 260,
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286, 195, 234, 273, 234, 273, 312, 351, 312, 351, 390, 390, 429}, // Long GI, 20MHz
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{14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289,
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43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520, 578,
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0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231, 173, 217,
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217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260, 231, 260, 289, 289,
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318, 217, 260, 303, 260, 303, 347, 390, 347, 390, 433, 433, 477} }, // Short GI, 20MHz
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{ {27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486, 540,
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81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648, 864, 972, 1080,
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12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324, 378, 378, 432, 324, 405,
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405, 486, 567, 567, 648, 270, 324, 378, 324, 378, 432, 486, 432, 486, 540, 540,
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594, 405, 486, 567, 486, 567, 648, 729, 648, 729, 810, 810, 891}, // Long GI, 40MHz
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{30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540, 600,
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90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720, 960, 1080, 1200,
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13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360, 420, 420, 480, 360, 450,
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450, 540, 630, 630, 720, 300, 360, 420, 360, 420, 480, 540, 480, 540, 600, 600,
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660, 450, 540, 630, 540, 630, 720, 810, 720, 810, 900, 900, 990} } // Short GI, 40MHz
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};
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static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
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static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
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static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e};
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static u8 NETGEAR834Bv2_BROADCOM[3] = {0x00, 0x1b, 0x2f};
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static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f}; //cosa 03202008
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static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf};
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static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc};
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static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e};
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static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
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//static u8 DLINK_ATHEROS[3] = {0x00, 0x1c, 0xf0};
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static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
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/*
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* 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Should we
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* put the code in other place??
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* static u8 WIFI_CISCO_G_AP[3] = {0x00, 0x40, 0x96};
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*/
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/*
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*function: This function update default settings in pHTInfo structure
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* input: PRT_HIGH_THROUGHPUT pHTInfo
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* output: none
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* return: none
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* notice: These value need be modified if any changes.
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*/
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void HTUpdateDefaultSetting(struct ieee80211_device *ieee)
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{
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PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
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//const typeof( ((struct ieee80211_device *)0)->pHTInfo ) *__mptr = &pHTInfo;
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//printk("pHTinfo:%p, &pHTinfo:%p, mptr:%p, offsetof:%x\n", pHTInfo, &pHTInfo, __mptr, offsetof(struct ieee80211_device, pHTInfo));
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//printk("===>ieee:%p,\n", ieee);
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// ShortGI support
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pHTInfo->bRegShortGI20MHz = 1;
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pHTInfo->bRegShortGI40MHz = 1;
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// 40MHz channel support
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pHTInfo->bRegBW40MHz = 1;
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// CCK rate support in 40MHz channel
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if (pHTInfo->bRegBW40MHz)
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pHTInfo->bRegSuppCCK = 1;
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else
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pHTInfo->bRegSuppCCK = true;
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// AMSDU related
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pHTInfo->nAMSDU_MaxSize = 7935UL;
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pHTInfo->bAMSDU_Support = 0;
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// AMPDU related
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pHTInfo->bAMPDUEnable = 1;
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pHTInfo->AMPDU_Factor = 2; //// 0: 2n13(8K), 1:2n14(16K), 2:2n15(32K), 3:2n16(64k)
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pHTInfo->MPDU_Density = 0;// 0: No restriction, 1: 1/8usec, 2: 1/4usec, 3: 1/2usec, 4: 1usec, 5: 2usec, 6: 4usec, 7:8usec
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// MIMO Power Save
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pHTInfo->SelfMimoPs = 3;// 0: Static Mimo Ps, 1: Dynamic Mimo Ps, 3: No Limitation, 2: Reserved(Set to 3 automatically.)
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if (pHTInfo->SelfMimoPs == 2)
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pHTInfo->SelfMimoPs = 3;
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// 8190 only. Assign rate operation mode to firmware
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ieee->bTxDisableRateFallBack = 0;
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ieee->bTxUseDriverAssingedRate = 0;
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/*
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* 8190 only, Realtek proprietary aggregation mode
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* Set MPDUDensity=2, 1: Set MPDUDensity=2(32k) for Realtek AP and set MPDUDensity=0(8k) for others
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*/
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pHTInfo->bRegRT2RTAggregation = 1;//0: Set MPDUDensity=2, 1: Set MPDUDensity=2(32k) for Realtek AP and set MPDUDensity=0(8k) for others
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// For Rx Reorder Control
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pHTInfo->bRegRxReorderEnable = 1;
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pHTInfo->RxReorderWinSize = 64;
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pHTInfo->RxReorderPendingTime = 30;
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#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
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pHTInfo->UsbTxAggrNum = 4;
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#endif
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#ifdef USB_RX_AGGREGATION_SUPPORT
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pHTInfo->UsbRxFwAggrEn = 1;
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pHTInfo->UsbRxFwAggrPageNum = 24;
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pHTInfo->UsbRxFwAggrPacketNum = 8;
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pHTInfo->UsbRxFwAggrTimeout = 16; ////usb rx FW aggregation timeout threshold.It's in units of 64us
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#endif
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}
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/*
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*function: This function print out each field on HT capability
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* IE mainly from (Beacon/ProbeRsp/AssocReq)
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* input: u8* CapIE //Capability IE to be printed out
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* u8* TitleString //mainly print out caller function
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* output: none
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* return: none
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* notice: Driver should not print out this message by default.
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*/
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void HTDebugHTCapability(u8 *CapIE, u8 *TitleString)
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{
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static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; // For 11n EWC definition, 2007.07.17, by Emily
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struct ht_capability_ele *pCapELE;
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if (!memcmp(CapIE, EWC11NHTCap, sizeof(EWC11NHTCap))) {
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//EWC IE
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IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __func__);
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pCapELE = (struct ht_capability_ele *)(&CapIE[4]);
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} else {
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pCapELE = (struct ht_capability_ele *)(&CapIE[0]);
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}
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IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Capability>. Called by %s\n", TitleString);
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IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupported Channel Width = %s\n", (pCapELE->ChlWidth) ? "20MHz" : "20/40MHz");
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IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport Short GI for 20M = %s\n", (pCapELE->ShortGI20Mhz) ? "YES" : "NO");
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IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport Short GI for 40M = %s\n", (pCapELE->ShortGI40Mhz) ? "YES" : "NO");
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IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport TX STBC = %s\n", (pCapELE->TxSTBC) ? "YES" : "NO");
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IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMax AMSDU Size = %s\n", (pCapELE->MaxAMSDUSize) ? "3839" : "7935");
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IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSupport CCK in 20/40 mode = %s\n", (pCapELE->DssCCk) ? "YES" : "NO");
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IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMax AMPDU Factor = %d\n", pCapELE->MaxRxAMPDUFactor);
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IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMPDU Density = %d\n", pCapELE->MPDUDensity);
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IEEE80211_DEBUG(IEEE80211_DL_HT, "\tMCS Rate Set = [%x][%x][%x][%x][%x]\n", pCapELE->MCS[0],\
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pCapELE->MCS[1], pCapELE->MCS[2], pCapELE->MCS[3], pCapELE->MCS[4]);
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}
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/*
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*function: This function print out each field on HT Information
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* IE mainly from (Beacon/ProbeRsp)
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* input: u8* InfoIE //Capability IE to be printed out
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* u8* TitleString //mainly print out caller function
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* output: none
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* return: none
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* notice: Driver should not print out this message by default.
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*/
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void HTDebugHTInfo(u8 *InfoIE, u8 *TitleString)
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{
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static u8 EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34}; // For 11n EWC definition, 2007.07.17, by Emily
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PHT_INFORMATION_ELE pHTInfoEle;
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if (!memcmp(InfoIE, EWC11NHTInfo, sizeof(EWC11NHTInfo))) {
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// Not EWC IE
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IEEE80211_DEBUG(IEEE80211_DL_HT, "EWC IE in %s()\n", __func__);
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pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[4]);
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} else {
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pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[0]);
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}
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IEEE80211_DEBUG(IEEE80211_DL_HT, "<Log HT Information Element>. Called by %s\n", TitleString);
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IEEE80211_DEBUG(IEEE80211_DL_HT, "\tPrimary channel = %d\n", pHTInfoEle->ControlChl);
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IEEE80211_DEBUG(IEEE80211_DL_HT, "\tSecondary channel =");
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switch (pHTInfoEle->ExtChlOffset) {
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case 0:
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IEEE80211_DEBUG(IEEE80211_DL_HT, "Not Present\n");
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break;
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case 1:
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IEEE80211_DEBUG(IEEE80211_DL_HT, "Upper channel\n");
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break;
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case 2:
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IEEE80211_DEBUG(IEEE80211_DL_HT, "Reserved. Eooro!!!\n");
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break;
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case 3:
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IEEE80211_DEBUG(IEEE80211_DL_HT, "Lower Channel\n");
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break;
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}
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IEEE80211_DEBUG(IEEE80211_DL_HT, "\tRecommended channel width = %s\n", (pHTInfoEle->RecommemdedTxWidth) ? "20Mhz" : "40Mhz");
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IEEE80211_DEBUG(IEEE80211_DL_HT, "\tOperation mode for protection = ");
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switch (pHTInfoEle->OptMode) {
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case 0:
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IEEE80211_DEBUG(IEEE80211_DL_HT, "No Protection\n");
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break;
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case 1:
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IEEE80211_DEBUG(IEEE80211_DL_HT, "HT non-member protection mode\n");
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break;
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case 2:
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IEEE80211_DEBUG(IEEE80211_DL_HT, "Suggest to open protection\n");
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break;
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case 3:
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IEEE80211_DEBUG(IEEE80211_DL_HT, "HT mixed mode\n");
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break;
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}
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IEEE80211_DEBUG(IEEE80211_DL_HT, "\tBasic MCS Rate Set = [%x][%x][%x][%x][%x]\n", pHTInfoEle->BasicMSC[0],\
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pHTInfoEle->BasicMSC[1], pHTInfoEle->BasicMSC[2], pHTInfoEle->BasicMSC[3], pHTInfoEle->BasicMSC[4]);
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}
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static u16 HTMcsToDataRate(struct ieee80211_device *ieee, u8 nMcsRate)
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{
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PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
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u8 is40MHz = (pHTInfo->bCurBW40MHz) ? 1 : 0;
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u8 isShortGI = (pHTInfo->bCurBW40MHz) ?
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((pHTInfo->bCurShortGI40MHz) ? 1 : 0) :
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((pHTInfo->bCurShortGI20MHz) ? 1 : 0);
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return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate & 0x7f)];
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}
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/*
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*function: This function returns current datarate.
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* input: struct ieee80211_device* ieee
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* u8 nDataRate
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* output: none
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* return: tx rate
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* notice: quite unsure about how to use this function //wb
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*/
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u16 TxCountToDataRate(struct ieee80211_device *ieee, u8 nDataRate)
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{
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//PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
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u16 CCKOFDMRate[12] = {0x02, 0x04, 0x0b, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c};
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u8 is40MHz = 0;
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u8 isShortGI = 0;
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if (nDataRate < 12) {
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return CCKOFDMRate[nDataRate];
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} else {
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if (nDataRate >= 0x10 && nDataRate <= 0x1f) { //if(nDataRate > 11 && nDataRate < 28 )
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is40MHz = 0;
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isShortGI = 0;
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// nDataRate = nDataRate - 12;
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} else if (nDataRate >= 0x20 && nDataRate <= 0x2f) { //(27, 44)
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is40MHz = 1;
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isShortGI = 0;
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//nDataRate = nDataRate - 28;
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} else if (nDataRate >= 0x30 && nDataRate <= 0x3f) { //(43, 60)
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is40MHz = 0;
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isShortGI = 1;
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//nDataRate = nDataRate - 44;
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} else if (nDataRate >= 0x40 && nDataRate <= 0x4f) { //(59, 76)
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is40MHz = 1;
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isShortGI = 1;
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//nDataRate = nDataRate - 60;
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}
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return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate & 0xf];
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}
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}
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bool IsHTHalfNmodeAPs(struct ieee80211_device *ieee)
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{
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bool retValue = false;
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struct ieee80211_network *net = &ieee->current_network;
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if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
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(memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
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(memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
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(memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
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(memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
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(net->ralink_cap_exist))
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retValue = true;
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else if ((memcmp(net->bssid, UNKNOWN_BORADCOM, 3) == 0) ||
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(memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) == 0) ||
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(memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) == 0) ||
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(memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3) == 0) ||
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(net->broadcom_cap_exist))
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retValue = true;
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else if (net->bssht.bdRT2RTAggregation)
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retValue = true;
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else
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retValue = false;
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return retValue;
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}
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/*
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*function: This function returns peer IOT.
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* input: struct ieee80211_device* ieee
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* output: none
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* return:
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* notice:
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*/
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static void HTIOTPeerDetermine(struct ieee80211_device *ieee)
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{
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PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
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struct ieee80211_network *net = &ieee->current_network;
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if (net->bssht.bdRT2RTAggregation)
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pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
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else if (net->broadcom_cap_exist)
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pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
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else if ((memcmp(net->bssid, UNKNOWN_BORADCOM, 3) == 0) ||
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(memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) == 0) ||
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(memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) == 0) ||
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(memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3) == 0))
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pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
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else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3) == 0) ||
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(memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3) == 0) ||
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(memcmp(net->bssid, PCI_RALINK, 3) == 0) ||
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(memcmp(net->bssid, EDIMAX_RALINK, 3) == 0) ||
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(memcmp(net->bssid, AIRLINK_RALINK, 3) == 0) ||
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net->ralink_cap_exist)
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pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
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else if (net->atheros_cap_exist)
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pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
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else if (memcmp(net->bssid, CISCO_BROADCOM, 3) == 0)
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pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
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else
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pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
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IEEE80211_DEBUG(IEEE80211_DL_IOT, "Joseph debug!! IOTPEER: %x\n", pHTInfo->IOTPeer);
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}
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/*
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*function: Check whether driver should declare received rate up to MCS13
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* only since some chipset is not good at receiving MCS14~15 frame
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* from some AP.
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* input: struct ieee80211_device* ieee
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* u8 * PeerMacAddr
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* output: none
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* return: return 1 if driver should declare MCS13 only(otherwise return 0)
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*/
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static u8 HTIOTActIsDisableMCS14(struct ieee80211_device *ieee, u8 *PeerMacAddr)
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{
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return 0;
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}
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/*
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* Function: HTIOTActIsDisableMCS15
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*
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* Overview: Check whether driver should declare capability of receiving
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* MCS15
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*
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* Input:
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* PADAPTER Adapter,
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*
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* Output: None
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* Return: true if driver should disable MCS15
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* 2008.04.15 Emily
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*/
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static bool HTIOTActIsDisableMCS15(struct ieee80211_device *ieee)
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{
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bool retValue = false;
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#ifdef TODO
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// Apply for 819u only
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#if (HAL_CODE_BASE == RTL8192)
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#if (DEV_BUS_TYPE == USB_INTERFACE)
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// Alway disable MCS15 by Jerry Chang's request.by Emily, 2008.04.15
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retValue = true;
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#elif (DEV_BUS_TYPE == PCI_INTERFACE)
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// Enable MCS15 if the peer is Cisco AP. by Emily, 2008.05.12
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// if(pBssDesc->bCiscoCapExist)
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// retValue = false;
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// else
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retValue = false;
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#endif
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#endif
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#endif
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// Jerry Chang suggest that 8190 1x2 does not need to disable MCS15
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return retValue;
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}
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/*
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* Function: HTIOTActIsDisableMCSTwoSpatialStream
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*
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* Overview: Check whether driver should declare capability of receiving
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* All 2 ss packets
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*
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* Input:
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* PADAPTER Adapter,
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*
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* Output: None
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* Return: true if driver should disable all two spatial stream packet
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* 2008.04.21 Emily
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*/
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static bool HTIOTActIsDisableMCSTwoSpatialStream(struct ieee80211_device *ieee,
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u8 *PeerMacAddr)
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{
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#ifdef TODO
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// Apply for 819u only
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#endif
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return false;
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}
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/*
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*function: Check whether driver should disable EDCA turbo mode
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* input: struct ieee80211_device* ieee
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* u8* PeerMacAddr
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* output: none
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* return: return 1 if driver should disable EDCA turbo mode
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* (otherwise return 0)
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*/
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static u8 HTIOTActIsDisableEDCATurbo(struct ieee80211_device *ieee,
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u8 *PeerMacAddr)
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{ /* default enable EDCA Turbo mode. */
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return false;
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}
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/*
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*function: Check whether we need to use OFDM to sned MGNT frame for
|
* broadcom AP
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* input: struct ieee80211_network *network //current network we live
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* output: none
|
* return: return 1 if true
|
*/
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static u8 HTIOTActIsMgntUseCCK6M(struct ieee80211_network *network)
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{
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u8 retValue = 0;
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|
// 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.
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|
if (network->broadcom_cap_exist)
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retValue = 1;
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return retValue;
|
}
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static u8 HTIOTActIsCCDFsync(u8 *PeerMacAddr)
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{
|
u8 retValue = 0;
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if ((memcmp(PeerMacAddr, UNKNOWN_BORADCOM, 3) == 0) ||
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(memcmp(PeerMacAddr, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3) == 0) ||
|
(memcmp(PeerMacAddr, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3) == 0))
|
retValue = 1;
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return retValue;
|
}
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void HTResetIOTSetting(PRT_HIGH_THROUGHPUT pHTInfo)
|
{
|
pHTInfo->IOTAction = 0;
|
pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
|
}
|
|
/*
|
*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;
|
struct ht_capability_ele *pCapELE = NULL;
|
//u8 bIsDeclareMCS13;
|
|
if (!posHTCap || !pHT) {
|
IEEE80211_DEBUG(IEEE80211_DL_ERR,
|
"posHTCap or pHTInfo can't be null in %s\n",
|
__func__);
|
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 = (struct ht_capability_ele *)&posHTCap[4];
|
} else {
|
pCapELE = (struct ht_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()");
|
}
|
|
/*
|
*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 || !pHTInfoEle) {
|
IEEE80211_DEBUG(IEEE80211_DL_ERR,
|
"posHTInfo or pHTInfoEle can't be null in %s\n",
|
__func__);
|
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) ? 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");
|
}
|
|
/*
|
* 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) {
|
IEEE80211_DEBUG(IEEE80211_DL_ERR,
|
"posRT2RTAgg can't be null in %s\n",
|
__func__);
|
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:
|
*/
|
static u8 HT_PickMCSRate(struct ieee80211_device *ieee, u8 *pOperateMCS)
|
{
|
if (!pOperateMCS) {
|
IEEE80211_DEBUG(IEEE80211_DL_ERR,
|
"pOperateMCS can't be null in %s\n",
|
__func__);
|
return false;
|
}
|
|
switch (ieee->mode) {
|
case IEEE_A:
|
case IEEE_B:
|
case IEEE_G:
|
//legacy rate routine handled at selectedrate
|
|
//no MCS rate
|
memset(pOperateMCS, 0, 16);
|
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 || !pMCSFilter) {
|
IEEE80211_DEBUG(IEEE80211_DL_ERR,
|
"pMCSRateSet or pMCSFilter can't be null in %s\n",
|
__func__);
|
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 >>= 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
|
*/
|
static u8 HTFilterMCSRate(struct ieee80211_device *ieee, u8 *pSupportMCS,
|
u8 *pOperateMCS)
|
{
|
u8 i = 0;
|
|
// filter out operational rate set not supported by AP, the length 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 signal 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 HTOnAssocRsp(struct ieee80211_device *ieee)
|
{
|
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
|
struct ht_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) {
|
IEEE80211_DEBUG(IEEE80211_DL_ERR,
|
"<=== %s: HT_DISABLE\n",
|
__func__);
|
return;
|
}
|
IEEE80211_DEBUG(IEEE80211_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n");
|
// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, pHTInfo->PeerHTCapBuf, sizeof(struct 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 = (struct ht_capability_ele *)(&pHTInfo->PeerHTCapBuf[4]);
|
else
|
pPeerHTCap = (struct ht_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(struct ht_capability_ele));
|
// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_HT, pPeerHTInfo, sizeof(HT_INFORMATION_ELE));
|
// Config Supported Channel Width setting
|
//
|
HTSetConnectBwMode(ieee, (enum ht_channel_width)(pPeerHTCap->ChlWidth), (enum ht_extension_chan_offset)(pPeerHTInfo->ExtChlOffset));
|
|
pHTInfo->bCurTxBW40MHz = (pPeerHTInfo->RecommemdedTxWidth == 1);
|
|
/*
|
* Update short GI/ long GI setting
|
*
|
* TODO:
|
*/
|
pHTInfo->bCurShortGI20MHz = pHTInfo->bRegShortGI20MHz &&
|
(pPeerHTCap->ShortGI20Mhz == 1);
|
pHTInfo->bCurShortGI40MHz = pHTInfo->bRegShortGI40MHz &&
|
(pPeerHTCap->ShortGI40Mhz == 1);
|
|
/*
|
* Config TX STBC setting
|
*
|
* TODO:
|
*/
|
|
/*
|
* Config DSSS/CCK mode in 40MHz mode
|
*
|
* TODO:
|
*/
|
pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK &&
|
(pPeerHTCap->DssCCk == 1);
|
|
/*
|
* 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;
|
|
/*
|
* <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 (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
|
// Force TX AMSDU
|
|
// Lanhsin: mark for tmp to avoid deauth by ap from s3
|
//if(memcmp(pMgntInfo->Bssid, NETGEAR834Bv2_BROADCOM, 3)==0)
|
if (0) {
|
pHTInfo->bCurrentAMPDUEnable = false;
|
pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
|
pHTInfo->ForcedAMSDUMaxSize = 7935;
|
|
pHTInfo->IOTAction |= HT_IOT_ACT_TX_USE_AMSDU_8K;
|
}
|
|
// 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;
|
|
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;
|
}
|
|
/*
|
*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", __func__);
|
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(&pHTInfo->SelfHTCap, 0, sizeof(pHTInfo->SelfHTCap));
|
memset(&pHTInfo->SelfHTInfo, 0, sizeof(pHTInfo->SelfHTInfo));
|
memset(&pHTInfo->PeerHTCapBuf, 0, sizeof(pHTInfo->PeerHTCapBuf));
|
memset(&pHTInfo->PeerHTInfoBuf, 0, sizeof(pHTInfo->PeerHTInfoBuf));
|
|
pHTInfo->bSwBwInProgress = false;
|
|
// Set default IEEE spec for Draft N
|
pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;
|
|
// Realtek proprietary aggregation mode
|
pHTInfo->bCurrentRT2RTAggregation = false;
|
pHTInfo->bCurrentRT2RTLongSlotTime = false;
|
pHTInfo->IOTPeer = 0;
|
pHTInfo->IOTAction = 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;
|
}
|
|
/*
|
*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;
|
// struct ht_capability_ele *pPeerHTCap = (struct ht_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", __func__);
|
/*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;
|
} else {
|
pHTInfo->bCurrentRT2RTAggregation = false;
|
pHTInfo->bCurrentRT2RTLongSlotTime = false;
|
}
|
|
// 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, pNetwork->bssid);
|
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;
|
} else {
|
pHTInfo->bCurrentHTSupport = false;
|
pHTInfo->bCurrentRT2RTAggregation = false;
|
pHTInfo->bCurrentRT2RTLongSlotTime = false;
|
|
pHTInfo->IOTAction = 0;
|
}
|
}
|
|
void HTUpdateSelfAndPeerSetting(struct ieee80211_device *ieee, struct ieee80211_network *pNetwork)
|
{
|
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
|
// struct ht_capability_ele *pPeerHTCap = (struct ht_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!!>
|
*/
|
}
|
}
|
EXPORT_SYMBOL(HTUpdateSelfAndPeerSetting);
|
|
/*
|
*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;
|
}
|
|
static void HTSetConnectBwModeCallback(struct ieee80211_device *ieee)
|
{
|
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
|
|
IEEE80211_DEBUG(IEEE80211_DL_HT, "======>%s()\n", __func__);
|
|
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;
|
}
|
|
/*
|
* This function set bandwidth mode in protocol layer.
|
*/
|
void HTSetConnectBwMode(struct ieee80211_device *ieee, enum ht_channel_width Bandwidth, enum ht_extension_chan_offset Offset)
|
{
|
PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
|
// u32 flags = 0;
|
|
if (!pHTInfo->bRegBW40MHz)
|
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 extension 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 guarantee 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);
|
}
|
