diff options
Diffstat (limited to 'drivers/staging/vt6655/bssdb.c')
| -rw-r--r-- | drivers/staging/vt6655/bssdb.c | 1557 |
1 files changed, 1557 insertions, 0 deletions
diff --git a/drivers/staging/vt6655/bssdb.c b/drivers/staging/vt6655/bssdb.c new file mode 100644 index 00000000000..69b80e80b01 --- /dev/null +++ b/drivers/staging/vt6655/bssdb.c @@ -0,0 +1,1557 @@ +/* + * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * File: bssdb.c + * + * Purpose: Handles the Basic Service Set & Node Database functions + * + * Functions: + * BSSpSearchBSSList - Search known BSS list for Desire SSID or BSSID + * BSSvClearBSSList - Clear BSS List + * BSSbInsertToBSSList - Insert a BSS set into known BSS list + * BSSbUpdateToBSSList - Update BSS set in known BSS list + * BSSDBbIsSTAInNodeDB - Search Node DB table to find the index of matched DstAddr + * BSSvCreateOneNode - Allocate an Node for Node DB + * BSSvUpdateAPNode - Update AP Node content in Index 0 of KnownNodeDB + * BSSvSecondCallBack - One second timer callback function to update Node DB info & AP link status + * BSSvUpdateNodeTxCounter - Update Tx attemps, Tx failure counter in Node DB for auto-fall back rate control + * + * Revision History: + * + * Author: Lyndon Chen + * + * Date: July 17, 2002 + * + */ + +#include "ttype.h" +#include "tmacro.h" +#include "tether.h" +#include "device.h" +#include "80211hdr.h" +#include "bssdb.h" +#include "wmgr.h" +#include "datarate.h" +#include "desc.h" +#include "wcmd.h" +#include "wpa.h" +#include "baseband.h" +#include "rf.h" +#include "card.h" +#include "channel.h" +#include "mac.h" +#include "wpa2.h" +#include "iowpa.h" + +/*--------------------- Static Definitions -------------------------*/ + +/*--------------------- Static Classes ----------------------------*/ + +/*--------------------- Static Variables --------------------------*/ +static int msglevel = MSG_LEVEL_INFO; + +const unsigned short awHWRetry0[5][5] = { + {RATE_18M, RATE_18M, RATE_12M, RATE_12M, RATE_12M}, + {RATE_24M, RATE_24M, RATE_18M, RATE_12M, RATE_12M}, + {RATE_36M, RATE_36M, RATE_24M, RATE_18M, RATE_18M}, + {RATE_48M, RATE_48M, RATE_36M, RATE_24M, RATE_24M}, + {RATE_54M, RATE_54M, RATE_48M, RATE_36M, RATE_36M} +}; +const unsigned short awHWRetry1[5][5] = { + {RATE_18M, RATE_18M, RATE_12M, RATE_6M, RATE_6M}, + {RATE_24M, RATE_24M, RATE_18M, RATE_6M, RATE_6M}, + {RATE_36M, RATE_36M, RATE_24M, RATE_12M, RATE_12M}, + {RATE_48M, RATE_48M, RATE_24M, RATE_12M, RATE_12M}, + {RATE_54M, RATE_54M, RATE_36M, RATE_18M, RATE_18M} +}; + +/*--------------------- Static Functions --------------------------*/ + +void s_vCheckSensitivity( + void *hDeviceContext +); + +#ifdef Calcu_LinkQual +void s_uCalculateLinkQual( + void *hDeviceContext +); +#endif + +void s_vCheckPreEDThreshold( + void *hDeviceContext +); +/*--------------------- Export Variables --------------------------*/ + +/*--------------------- Export Functions --------------------------*/ + +/*+ + * + * Routine Description: + * Search known BSS list for Desire SSID or BSSID. + * + * Return Value: + * PTR to KnownBSS or NULL + * + -*/ + +PKnownBSS +BSSpSearchBSSList( + void *hDeviceContext, + unsigned char *pbyDesireBSSID, + unsigned char *pbyDesireSSID, + CARD_PHY_TYPE ePhyType +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + unsigned char *pbyBSSID = NULL; + PWLAN_IE_SSID pSSID = NULL; + PKnownBSS pCurrBSS = NULL; + PKnownBSS pSelect = NULL; + unsigned char ZeroBSSID[WLAN_BSSID_LEN] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; + unsigned int ii = 0; + + if (pbyDesireBSSID != NULL) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO + "BSSpSearchBSSList BSSID[%pM]\n", pbyDesireBSSID); + if ((!is_broadcast_ether_addr(pbyDesireBSSID)) && + (memcmp(pbyDesireBSSID, ZeroBSSID, 6) != 0)) + pbyBSSID = pbyDesireBSSID; + } + if (pbyDesireSSID != NULL) { + if (((PWLAN_IE_SSID)pbyDesireSSID)->len != 0) + pSSID = (PWLAN_IE_SSID) pbyDesireSSID; + } + + if (pbyBSSID != NULL) { + /* match BSSID first */ + for (ii = 0; ii < MAX_BSS_NUM; ii++) { + pCurrBSS = &(pMgmt->sBSSList[ii]); + if (!pDevice->bLinkPass) + pCurrBSS->bSelected = false; + if ((pCurrBSS->bActive) && + (!pCurrBSS->bSelected)) { + if (ether_addr_equal(pCurrBSS->abyBSSID, + pbyBSSID)) { + if (pSSID != NULL) { + /* compare ssid */ + if (!memcmp(pSSID->abySSID, + ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID, + pSSID->len)) { + if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) || + ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) || + ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo)) +) { + pCurrBSS->bSelected = true; + return pCurrBSS; + } + } + } else { + if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) || + ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) || + ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo)) +) { + pCurrBSS->bSelected = true; + return pCurrBSS; + } + } + } + } + } + } else { + /* ignore BSSID */ + for (ii = 0; ii < MAX_BSS_NUM; ii++) { + pCurrBSS = &(pMgmt->sBSSList[ii]); + /* 2007-0721-01<Add>by MikeLiu */ + pCurrBSS->bSelected = false; + if (pCurrBSS->bActive) { + if (pSSID != NULL) { + /* matched SSID */ + if (!!memcmp(pSSID->abySSID, + ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID, + pSSID->len) || + (pSSID->len != ((PWLAN_IE_SSID)pCurrBSS->abySSID)->len)) { + /* SSID not match skip this BSS */ + continue; + } + } + if (((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo)) || + ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) +) { + /* Type not match skip this BSS */ + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSS type mismatch.... Config[%d] BSS[0x%04x]\n", pMgmt->eConfigMode, pCurrBSS->wCapInfo); + continue; + } + + if (ePhyType != PHY_TYPE_AUTO) { + if (((ePhyType == PHY_TYPE_11A) && (PHY_TYPE_11A != pCurrBSS->eNetworkTypeInUse)) || + ((ePhyType != PHY_TYPE_11A) && (PHY_TYPE_11A == pCurrBSS->eNetworkTypeInUse))) { + /* PhyType not match skip this BSS */ + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Physical type mismatch.... ePhyType[%d] BSS[%d]\n", ePhyType, pCurrBSS->eNetworkTypeInUse); + continue; + } + } + + if (pSelect == NULL) { + pSelect = pCurrBSS; + } else { + /* compare RSSI, select signal strong one */ + if (pCurrBSS->uRSSI < pSelect->uRSSI) + pSelect = pCurrBSS; + } + } + } + if (pSelect != NULL) { + pSelect->bSelected = true; + return pSelect; + } + } + return NULL; +} + +/*+ + * + * Routine Description: + * Clear BSS List + * + * Return Value: + * None. + * + -*/ + +void +BSSvClearBSSList( + void *hDeviceContext, + bool bKeepCurrBSSID +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + unsigned int ii; + + for (ii = 0; ii < MAX_BSS_NUM; ii++) { + if (bKeepCurrBSSID) { + if (pMgmt->sBSSList[ii].bActive && + ether_addr_equal(pMgmt->sBSSList[ii].abyBSSID, + pMgmt->abyCurrBSSID)) { + continue; + } + } + + if ((pMgmt->sBSSList[ii].bActive) && (pMgmt->sBSSList[ii].uClearCount < BSS_CLEAR_COUNT)) { + pMgmt->sBSSList[ii].uClearCount++; + continue; + } + + pMgmt->sBSSList[ii].bActive = false; + memset(&pMgmt->sBSSList[ii], 0, sizeof(KnownBSS)); + } + BSSvClearAnyBSSJoinRecord(pDevice); + + return; +} + +/*+ + * + * Routine Description: + * search BSS list by BSSID & SSID if matched + * + * Return Value: + * true if found. + * + -*/ +PKnownBSS +BSSpAddrIsInBSSList( + void *hDeviceContext, + unsigned char *abyBSSID, + PWLAN_IE_SSID pSSID +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + PKnownBSS pBSSList = NULL; + unsigned int ii; + + for (ii = 0; ii < MAX_BSS_NUM; ii++) { + pBSSList = &(pMgmt->sBSSList[ii]); + if (pBSSList->bActive) { + if (ether_addr_equal(pBSSList->abyBSSID, abyBSSID)) { + if (pSSID->len == ((PWLAN_IE_SSID)pBSSList->abySSID)->len) { + if (memcmp(pSSID->abySSID, + ((PWLAN_IE_SSID)pBSSList->abySSID)->abySSID, + pSSID->len) == 0) + return pBSSList; + } + } + } + } + + return NULL; +}; + +/*+ + * + * Routine Description: + * Insert a BSS set into known BSS list + * + * Return Value: + * true if success. + * + -*/ + +bool +BSSbInsertToBSSList( + void *hDeviceContext, + unsigned char *abyBSSIDAddr, + QWORD qwTimestamp, + unsigned short wBeaconInterval, + unsigned short wCapInfo, + unsigned char byCurrChannel, + PWLAN_IE_SSID pSSID, + PWLAN_IE_SUPP_RATES pSuppRates, + PWLAN_IE_SUPP_RATES pExtSuppRates, + PERPObject psERP, + PWLAN_IE_RSN pRSN, + PWLAN_IE_RSN_EXT pRSNWPA, + PWLAN_IE_COUNTRY pIE_Country, + PWLAN_IE_QUIET pIE_Quiet, + unsigned int uIELength, + unsigned char *pbyIEs, + void *pRxPacketContext +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + PSRxMgmtPacket pRxPacket = (PSRxMgmtPacket)pRxPacketContext; + PKnownBSS pBSSList = NULL; + unsigned int ii; + bool bParsingQuiet = false; + PWLAN_IE_QUIET pQuiet = NULL; + + pBSSList = (PKnownBSS)&(pMgmt->sBSSList[0]); + + for (ii = 0; ii < MAX_BSS_NUM; ii++) { + pBSSList = (PKnownBSS)&(pMgmt->sBSSList[ii]); + if (!pBSSList->bActive) + break; + } + + if (ii == MAX_BSS_NUM) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Get free KnowBSS node failed.\n"); + return false; + } + /* save the BSS info */ + pBSSList->bActive = true; + memcpy(pBSSList->abyBSSID, abyBSSIDAddr, WLAN_BSSID_LEN); + HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp)); + LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp)); + pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval); + pBSSList->wCapInfo = cpu_to_le16(wCapInfo); + pBSSList->uClearCount = 0; + + if (pSSID->len > WLAN_SSID_MAXLEN) + pSSID->len = WLAN_SSID_MAXLEN; + memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN); + + pBSSList->uChannel = byCurrChannel; + + if (pSuppRates->len > WLAN_RATES_MAXLEN) + pSuppRates->len = WLAN_RATES_MAXLEN; + memcpy(pBSSList->abySuppRates, pSuppRates, pSuppRates->len + WLAN_IEHDR_LEN); + + if (pExtSuppRates != NULL) { + if (pExtSuppRates->len > WLAN_RATES_MAXLEN) + pExtSuppRates->len = WLAN_RATES_MAXLEN; + memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, pExtSuppRates->len + WLAN_IEHDR_LEN); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSbInsertToBSSList: pExtSuppRates->len = %d\n", pExtSuppRates->len); + + } else { + memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1); + } + pBSSList->sERP.byERP = psERP->byERP; + pBSSList->sERP.bERPExist = psERP->bERPExist; + + /* check if BSS is 802.11a/b/g */ + if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) { + pBSSList->eNetworkTypeInUse = PHY_TYPE_11A; + } else { + if (pBSSList->sERP.bERPExist) + pBSSList->eNetworkTypeInUse = PHY_TYPE_11G; + else + pBSSList->eNetworkTypeInUse = PHY_TYPE_11B; + } + + pBSSList->byRxRate = pRxPacket->byRxRate; + pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF; + pBSSList->uRSSI = pRxPacket->uRSSI; + pBSSList->bySQ = pRxPacket->bySQ; + + if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && + (pMgmt->eCurrState == WMAC_STATE_ASSOC)) { + /* assoc with BSS */ + if (pBSSList == pMgmt->pCurrBSS) + bParsingQuiet = true; + } + + WPA_ClearRSN(pBSSList); + + if (pRSNWPA != NULL) { + unsigned int uLen = pRSNWPA->len + 2; + + if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSNWPA - pbyIEs))) { + pBSSList->wWPALen = uLen; + memcpy(pBSSList->byWPAIE, pRSNWPA, uLen); + WPA_ParseRSN(pBSSList, pRSNWPA); + } + } + + WPA2_ClearRSN(pBSSList); + + if (pRSN != NULL) { + unsigned int uLen = pRSN->len + 2; + if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSN - pbyIEs))) { + pBSSList->wRSNLen = uLen; + memcpy(pBSSList->byRSNIE, pRSN, uLen); + WPA2vParseRSN(pBSSList, pRSN); + } + } + + if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || pBSSList->bWPA2Valid) { + PSKeyItem pTransmitKey = NULL; + bool bIs802_1x = false; + + for (ii = 0; ii < pBSSList->wAKMSSAuthCount; ii++) { + if (pBSSList->abyAKMSSAuthType[ii] == WLAN_11i_AKMSS_802_1X) { + bIs802_1x = true; + break; + } + } + if (bIs802_1x && (pSSID->len == ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->len) && + (!memcmp(pSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySSID, pSSID->len))) { + bAdd_PMKID_Candidate((void *)pDevice, pBSSList->abyBSSID, &pBSSList->sRSNCapObj); + + if (pDevice->bLinkPass && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) { + if (KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, PAIRWISE_KEY, &pTransmitKey) || + KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, GROUP_KEY, &pTransmitKey)) { + pDevice->gsPMKIDCandidate.StatusType = Ndis802_11StatusType_PMKID_CandidateList; + pDevice->gsPMKIDCandidate.Version = 1; + + } + + } + } + } + + if (pDevice->bUpdateBBVGA) { + /* monitor if RSSI is too strong */ + pBSSList->byRSSIStatCnt = 0; + RFvRSSITodBm(pDevice, (unsigned char)(pRxPacket->uRSSI), &pBSSList->ldBmMAX); + pBSSList->ldBmAverage[0] = pBSSList->ldBmMAX; + for (ii = 1; ii < RSSI_STAT_COUNT; ii++) + pBSSList->ldBmAverage[ii] = 0; + } + + if ((pIE_Country != NULL) && pMgmt->b11hEnable) { + set_country_info(pMgmt->pAdapter, pBSSList->eNetworkTypeInUse, + pIE_Country); + } + + if (bParsingQuiet && (pIE_Quiet != NULL)) { + if ((((PWLAN_IE_QUIET)pIE_Quiet)->len == 8) && + (((PWLAN_IE_QUIET)pIE_Quiet)->byQuietCount != 0)) { + /* valid EID */ + if (pQuiet == NULL) { + pQuiet = (PWLAN_IE_QUIET)pIE_Quiet; + CARDbSetQuiet(pMgmt->pAdapter, + true, + pQuiet->byQuietCount, + pQuiet->byQuietPeriod, + *((unsigned short *)pQuiet->abyQuietDuration), + *((unsigned short *)pQuiet->abyQuietOffset) +); + } else { + pQuiet = (PWLAN_IE_QUIET)pIE_Quiet; + CARDbSetQuiet(pMgmt->pAdapter, + false, + pQuiet->byQuietCount, + pQuiet->byQuietPeriod, + *((unsigned short *)pQuiet->abyQuietDuration), + *((unsigned short *)pQuiet->abyQuietOffset) + ); + } + } + } + + if (bParsingQuiet && (pQuiet != NULL)) + CARDbStartQuiet(pMgmt->pAdapter); + + pBSSList->uIELength = uIELength; + if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN) + pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN; + memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength); + + return true; +} + +/*+ + * + * Routine Description: + * Update BSS set in known BSS list + * + * Return Value: + * true if success. + * + -*/ +/* TODO: input structure modify */ + +bool +BSSbUpdateToBSSList( + void *hDeviceContext, + QWORD qwTimestamp, + unsigned short wBeaconInterval, + unsigned short wCapInfo, + unsigned char byCurrChannel, + bool bChannelHit, + PWLAN_IE_SSID pSSID, + PWLAN_IE_SUPP_RATES pSuppRates, + PWLAN_IE_SUPP_RATES pExtSuppRates, + PERPObject psERP, + PWLAN_IE_RSN pRSN, + PWLAN_IE_RSN_EXT pRSNWPA, + PWLAN_IE_COUNTRY pIE_Country, + PWLAN_IE_QUIET pIE_Quiet, + PKnownBSS pBSSList, + unsigned int uIELength, + unsigned char *pbyIEs, + void *pRxPacketContext +) +{ + int ii; + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + PSRxMgmtPacket pRxPacket = (PSRxMgmtPacket)pRxPacketContext; + long ldBm; + bool bParsingQuiet = false; + PWLAN_IE_QUIET pQuiet = NULL; + + if (pBSSList == NULL) + return false; + + HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp)); + LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp)); + pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval); + pBSSList->wCapInfo = cpu_to_le16(wCapInfo); + pBSSList->uClearCount = 0; + pBSSList->uChannel = byCurrChannel; + + if (pSSID->len > WLAN_SSID_MAXLEN) + pSSID->len = WLAN_SSID_MAXLEN; + + if ((pSSID->len != 0) && (pSSID->abySSID[0] != 0)) + memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN); + memcpy(pBSSList->abySuppRates, pSuppRates, pSuppRates->len + WLAN_IEHDR_LEN); + + if (pExtSuppRates != NULL) + memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, pExtSuppRates->len + WLAN_IEHDR_LEN); + else + memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1); + pBSSList->sERP.byERP = psERP->byERP; + pBSSList->sERP.bERPExist = psERP->bERPExist; + + /* check if BSS is 802.11a/b/g */ + if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) { + pBSSList->eNetworkTypeInUse = PHY_TYPE_11A; + } else { + if (pBSSList->sERP.bERPExist) + pBSSList->eNetworkTypeInUse = PHY_TYPE_11G; + else + pBSSList->eNetworkTypeInUse = PHY_TYPE_11B; + } + + pBSSList->byRxRate = pRxPacket->byRxRate; + pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF; + if (bChannelHit) + pBSSList->uRSSI = pRxPacket->uRSSI; + pBSSList->bySQ = pRxPacket->bySQ; + + if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && + (pMgmt->eCurrState == WMAC_STATE_ASSOC)) { + /* assoc with BSS */ + if (pBSSList == pMgmt->pCurrBSS) + bParsingQuiet = true; + } + + WPA_ClearRSN(pBSSList); /* mike update */ + + if (pRSNWPA != NULL) { + unsigned int uLen = pRSNWPA->len + 2; + if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSNWPA - pbyIEs))) { + pBSSList->wWPALen = uLen; + memcpy(pBSSList->byWPAIE, pRSNWPA, uLen); + WPA_ParseRSN(pBSSList, pRSNWPA); + } + } + + WPA2_ClearRSN(pBSSList); /* mike update */ + + if (pRSN != NULL) { + unsigned int uLen = pRSN->len + 2; + if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSN - pbyIEs))) { + pBSSList->wRSNLen = uLen; + memcpy(pBSSList->byRSNIE, pRSN, uLen); + WPA2vParseRSN(pBSSList, pRSN); + } + } + + if (pRxPacket->uRSSI != 0) { + RFvRSSITodBm(pDevice, (unsigned char)(pRxPacket->uRSSI), &ldBm); + /* monitor if RSSI is too strong */ + pBSSList->byRSSIStatCnt++; + pBSSList->byRSSIStatCnt %= RSSI_STAT_COUNT; + pBSSList->ldBmAverage[pBSSList->byRSSIStatCnt] = ldBm; + for (ii = 0; ii < RSSI_STAT_COUNT; ii++) { + if (pBSSList->ldBmAverage[ii] != 0) + pBSSList->ldBmMAX = max(pBSSList->ldBmAverage[ii], ldBm); + } + } + + if ((pIE_Country != NULL) && pMgmt->b11hEnable) { + set_country_info(pMgmt->pAdapter, pBSSList->eNetworkTypeInUse, + pIE_Country); + } + + if (bParsingQuiet && (pIE_Quiet != NULL)) { + if ((((PWLAN_IE_QUIET)pIE_Quiet)->len == 8) && + (((PWLAN_IE_QUIET)pIE_Quiet)->byQuietCount != 0)) { + /* valid EID */ + if (pQuiet == NULL) { + pQuiet = (PWLAN_IE_QUIET)pIE_Quiet; + CARDbSetQuiet(pMgmt->pAdapter, + true, + pQuiet->byQuietCount, + pQuiet->byQuietPeriod, + *((unsigned short *)pQuiet->abyQuietDuration), + *((unsigned short *)pQuiet->abyQuietOffset) +); + } else { + pQuiet = (PWLAN_IE_QUIET)pIE_Quiet; + CARDbSetQuiet(pMgmt->pAdapter, + false, + pQuiet->byQuietCount, + pQuiet->byQuietPeriod, + *((unsigned short *)pQuiet->abyQuietDuration), + *((unsigned short *)pQuiet->abyQuietOffset) + ); + } + } + } + + if (bParsingQuiet && (pQuiet != NULL)) + CARDbStartQuiet(pMgmt->pAdapter); + + pBSSList->uIELength = uIELength; + if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN) + pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN; + memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength); + + return true; +} + +/*+ + * + * Routine Description: + * Search Node DB table to find the index of matched DstAddr + * + * Return Value: + * None + * + -*/ + +bool +BSSDBbIsSTAInNodeDB(void *pMgmtObject, unsigned char *abyDstAddr, + unsigned int *puNodeIndex) +{ + PSMgmtObject pMgmt = (PSMgmtObject) pMgmtObject; + unsigned int ii; + + /* Index = 0 reserved for AP Node */ + for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) { + if (pMgmt->sNodeDBTable[ii].bActive) { + if (ether_addr_equal(abyDstAddr, + pMgmt->sNodeDBTable[ii].abyMACAddr)) { + *puNodeIndex = ii; + return true; + } + } + } + + return false; +}; + +/*+ + * + * Routine Description: + * Find an empty node and allocat it; if there is no empty node, + * then use the most inactive one. + * + * Return Value: + * None + * + -*/ +void +BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + unsigned int ii; + unsigned int BigestCount = 0; + unsigned int SelectIndex; + struct sk_buff *skb; + /* + * Index = 0 reserved for AP Node (In STA mode) + * Index = 0 reserved for Broadcast/MultiCast (In AP mode) + */ + SelectIndex = 1; + for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) { + if (pMgmt->sNodeDBTable[ii].bActive) { + if (pMgmt->sNodeDBTable[ii].uInActiveCount > BigestCount) { + BigestCount = pMgmt->sNodeDBTable[ii].uInActiveCount; + SelectIndex = ii; + } + } else { + break; + } + } + + /* if not found replace uInActiveCount is largest one */ + if (ii == (MAX_NODE_NUM + 1)) { + *puNodeIndex = SelectIndex; + DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Replace inactive node = %d\n", SelectIndex); + /* clear ps buffer */ + if (pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue.next != NULL) { + while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue)) != NULL) + dev_kfree_skb(skb); + } + } else { + *puNodeIndex = ii; + } + + memset(&pMgmt->sNodeDBTable[*puNodeIndex], 0, sizeof(KnownNodeDB)); + pMgmt->sNodeDBTable[*puNodeIndex].bActive = true; + pMgmt->sNodeDBTable[*puNodeIndex].uRatePollTimeout = FALLBACK_POLL_SECOND; + /* for AP mode PS queue */ + skb_queue_head_init(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue); + pMgmt->sNodeDBTable[*puNodeIndex].byAuthSequence = 0; + pMgmt->sNodeDBTable[*puNodeIndex].wEnQueueCnt = 0; + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Create node index = %d\n", ii); + return; +}; + +/*+ + * + * Routine Description: + * Remove Node by NodeIndex + * + * + * Return Value: + * None + * + -*/ +void +BSSvRemoveOneNode( + void *hDeviceContext, + unsigned int uNodeIndex +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80}; + struct sk_buff *skb; + + while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[uNodeIndex].sTxPSQueue)) != NULL) + dev_kfree_skb(skb); + /* clear context */ + memset(&pMgmt->sNodeDBTable[uNodeIndex], 0, sizeof(KnownNodeDB)); + /* clear tx bit map */ + pMgmt->abyPSTxMap[pMgmt->sNodeDBTable[uNodeIndex].wAID >> 3] &= ~byMask[pMgmt->sNodeDBTable[uNodeIndex].wAID & 7]; + + return; +}; +/*+ + * + * Routine Description: + * Update AP Node content in Index 0 of KnownNodeDB + * + * + * Return Value: + * None + * + -*/ + +void +BSSvUpdateAPNode( + void *hDeviceContext, + unsigned short *pwCapInfo, + PWLAN_IE_SUPP_RATES pSuppRates, + PWLAN_IE_SUPP_RATES pExtSuppRates +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + unsigned int uRateLen = WLAN_RATES_MAXLEN; + + memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB)); + + pMgmt->sNodeDBTable[0].bActive = true; + if (pDevice->eCurrentPHYType == PHY_TYPE_11B) + uRateLen = WLAN_RATES_MAXLEN_11B; + pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pSuppRates, + (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, + uRateLen); + pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pExtSuppRates, + (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates, + uRateLen); + RATEvParseMaxRate((void *)pDevice, + (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, + (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates, + true, + &(pMgmt->sNodeDBTable[0].wMaxBasicRate), + &(pMgmt->sNodeDBTable[0].wMaxSuppRate), + &(pMgmt->sNodeDBTable[0].wSuppRate), + &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate), + &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate) +); + memcpy(pMgmt->sNodeDBTable[0].abyMACAddr, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN); + pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxSuppRate; + pMgmt->sNodeDBTable[0].bShortPreamble = WLAN_GET_CAP_INFO_SHORTPREAMBLE(*pwCapInfo); + pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND; + netdev_dbg(pDevice->dev, "BSSvUpdateAPNode:MaxSuppRate is %d\n", + pMgmt->sNodeDBTable[0].wMaxSuppRate); + /* auto rate fallback function initiation */ + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pMgmt->sNodeDBTable[0].wTxDataRate = %d\n", pMgmt->sNodeDBTable[0].wTxDataRate); +}; + +/*+ + * + * Routine Description: + * Add Multicast Node content in Index 0 of KnownNodeDB + * + * + * Return Value: + * None + * + -*/ + +void +BSSvAddMulticastNode( + void *hDeviceContext +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + + if (!pDevice->bEnableHostWEP) + memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB)); + memset(pMgmt->sNodeDBTable[0].abyMACAddr, 0xff, WLAN_ADDR_LEN); + pMgmt->sNodeDBTable[0].bActive = true; + pMgmt->sNodeDBTable[0].bPSEnable = false; + skb_queue_head_init(&pMgmt->sNodeDBTable[0].sTxPSQueue); + RATEvParseMaxRate((void *)pDevice, + (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, + (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates, + true, + &(pMgmt->sNodeDBTable[0].wMaxBasicRate), + &(pMgmt->sNodeDBTable[0].wMaxSuppRate), + &(pMgmt->sNodeDBTable[0].wSuppRate), + &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate), + &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate) +); + pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxBasicRate; + netdev_dbg(pDevice->dev, + "BSSvAddMultiCastNode:pMgmt->sNodeDBTable[0].wTxDataRate is %d\n", + pMgmt->sNodeDBTable[0].wTxDataRate); + pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND; +}; + +/*+ + * + * Routine Description: + * + * + * Second call back function to update Node DB info & AP link status + * + * + * Return Value: + * none. + * + -*/ +/* 2008-4-14 <add> by chester for led issue */ +#ifdef FOR_LED_ON_NOTEBOOK +bool cc = false; +unsigned int status; +#endif +void +BSSvSecondCallBack( + void *hDeviceContext +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + unsigned int ii; + PWLAN_IE_SSID pItemSSID, pCurrSSID; + unsigned int uSleepySTACnt = 0; + unsigned int uNonShortSlotSTACnt = 0; + unsigned int uLongPreambleSTACnt = 0; + viawget_wpa_header *wpahdr; /* DavidWang */ + + spin_lock_irq(&pDevice->lock); + + pDevice->uAssocCount = 0; + + pDevice->byERPFlag &= + ~(WLAN_SET_ERP_BARKER_MODE(1) | WLAN_SET_ERP_NONERP_PRESENT(1)); + /* 2008-4-14 <add> by chester for led issue */ +#ifdef FOR_LED_ON_NOTEBOOK + MACvGPIOIn(pDevice->PortOffset, &pDevice->byGPIO); + if (((!(pDevice->byGPIO & GPIO0_DATA) && (!pDevice->bHWRadioOff)) || + ((pDevice->byGPIO & GPIO0_DATA) && pDevice->bHWRadioOff)) && + (!cc)) { + cc = true; + } else if (cc) { + if (pDevice->bHWRadioOff) { + if (!(pDevice->byGPIO & GPIO0_DATA)) { + if (status == 1) + goto start; + status = 1; + CARDbRadioPowerOff(pDevice); + pMgmt->sNodeDBTable[0].bActive = false; + pMgmt->eCurrMode = WMAC_MODE_STANDBY; + pMgmt->eCurrState = WMAC_STATE_IDLE; + pDevice->bLinkPass = false; + + } + if (pDevice->byGPIO & GPIO0_DATA) { + if (status == 2) + goto start; + status = 2; + CARDbRadioPowerOn(pDevice); + } + } else { + if (pDevice->byGPIO & GPIO0_DATA) { + if (status == 3) + goto start; + status = 3; + CARDbRadioPowerOff(pDevice); + pMgmt->sNodeDBTable[0].bActive = false; + pMgmt->eCurrMode = WMAC_MODE_STANDBY; + pMgmt->eCurrState = WMAC_STATE_IDLE; + pDevice->bLinkPass = false; + + } + if (!(pDevice->byGPIO & GPIO0_DATA)) { + if (status == 4) + goto start; + status = 4; + CARDbRadioPowerOn(pDevice); + } + } + } +start: +#endif + + if (pDevice->wUseProtectCntDown > 0) { + pDevice->wUseProtectCntDown--; + } else { + /* disable protect mode */ + pDevice->byERPFlag &= ~(WLAN_SET_ERP_USE_PROTECTION(1)); + } + + if (pDevice->eCommandState == WLAN_ASSOCIATE_WAIT) { + pDevice->byReAssocCount++; + /* 10 sec timeout */ + if ((pDevice->byReAssocCount > 10) && (!pDevice->bLinkPass)) { + netdev_info(pDevice->dev, "Re-association timeout!!!\n"); + pDevice->byReAssocCount = 0; +#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT + { + union iwreq_data wrqu; + memset(&wrqu, 0, sizeof(wrqu)); + wrqu.ap_addr.sa_family = ARPHRD_ETHER; + PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n"); + wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL); + } +#endif + } else if (pDevice->bLinkPass) + pDevice->byReAssocCount = 0; + } + +#ifdef Calcu_LinkQual + s_uCalculateLinkQual((void *)pDevice); +#endif + + for (ii = 0; ii < (MAX_NODE_NUM + 1); ii++) { + if (pMgmt->sNodeDBTable[ii].bActive) { + /* increase in-activity counter */ + pMgmt->sNodeDBTable[ii].uInActiveCount++; + + if (ii > 0) { + if (pMgmt->sNodeDBTable[ii].uInActiveCount > MAX_INACTIVE_COUNT) { + BSSvRemoveOneNode(pDevice, ii); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO + "Inactive timeout [%d] sec, STA index = [%d] remove\n", MAX_INACTIVE_COUNT, ii); + continue; + } + + if (pMgmt->sNodeDBTable[ii].eNodeState >= NODE_ASSOC) { + pDevice->uAssocCount++; + + /* check if Non ERP exist */ + if (pMgmt->sNodeDBTable[ii].uInActiveCount < ERP_RECOVER_COUNT) { + if (!pMgmt->sNodeDBTable[ii].bShortPreamble) { + pDevice->byERPFlag |= WLAN_SET_ERP_BARKER_MODE(1); + uLongPreambleSTACnt++; + } + if (!pMgmt->sNodeDBTable[ii].bERPExist) { + pDevice->byERPFlag |= WLAN_SET_ERP_NONERP_PRESENT(1); + pDevice->byERPFlag |= WLAN_SET_ERP_USE_PROTECTION(1); + } + if (!pMgmt->sNodeDBTable[ii].bShortSlotTime) + uNonShortSlotSTACnt++; + } + } + + /* check if any STA in PS mode */ + if (pMgmt->sNodeDBTable[ii].bPSEnable) + uSleepySTACnt++; + + } + + /* rate fallback check */ + if (!pDevice->bFixRate) { + if (ii > 0) { + /* ii = 0 for multicast node (AP & Adhoc) */ + RATEvTxRateFallBack((void *)pDevice, &(pMgmt->sNodeDBTable[ii])); + } else { + /* ii = 0 reserved for unicast AP node (Infra STA) */ + if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) + netdev_dbg(pDevice->dev, + "SecondCallback:Before:TxDataRate is %d\n", + pMgmt->sNodeDBTable[0].wTxDataRate); + RATEvTxRateFallBack((void *)pDevice, &(pMgmt->sNodeDBTable[ii])); + netdev_dbg(pDevice->dev, + "SecondCallback:After:TxDataRate is %d\n", + pMgmt->sNodeDBTable[0].wTxDataRate); + + } + + } + + /* check if pending PS queue */ + if (pMgmt->sNodeDBTable[ii].wEnQueueCnt != 0) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Index= %d, Queue = %d pending\n", + ii, pMgmt->sNodeDBTable[ii].wEnQueueCnt); + if ((ii > 0) && (pMgmt->sNodeDBTable[ii].wEnQueueCnt > 15)) { + BSSvRemoveOneNode(pDevice, ii); + DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Pending many queues PS STA Index = %d remove\n", ii); + continue; + } + } + } + + } + + if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->eCurrentPHYType == PHY_TYPE_11G)) { + /* on/off protect mode */ + if (WLAN_GET_ERP_USE_PROTECTION(pDevice->byERPFlag)) { + if (!pDevice->bProtectMode) { + MACvEnableProtectMD(pDevice->PortOffset); + pDevice->bProtectMode = true; + } + } else { + if (pDevice->bProtectMode) { + MACvDisableProtectMD(pDevice->PortOffset); + pDevice->bProtectMode = false; + } + } + /* on/off short slot time */ + + if (uNonShortSlotSTACnt > 0) { + if (pDevice->bShortSlotTime) { + pDevice->bShortSlotTime = false; + BBvSetShortSlotTime(pDevice); + vUpdateIFS((void *)pDevice); + } + } else { + if (!pDevice->bShortSlotTime) { + pDevice->bShortSlotTime = true; + BBvSetShortSlotTime(pDevice); + vUpdateIFS((void *)pDevice); + } + } + + /* on/off barker long preamble mode */ + + if (uLongPreambleSTACnt > 0) { + if (!pDevice->bBarkerPreambleMd) { + MACvEnableBarkerPreambleMd(pDevice->PortOffset); + pDevice->bBarkerPreambleMd = true; + } + } else { + if (pDevice->bBarkerPreambleMd) { + MACvDisableBarkerPreambleMd(pDevice->PortOffset); + pDevice->bBarkerPreambleMd = false; + } + } + + } + + /* check if any STA in PS mode, enable DTIM multicast deliver */ + if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { + if (uSleepySTACnt > 0) + pMgmt->sNodeDBTable[0].bPSEnable = true; + else + pMgmt->sNodeDBTable[0].bPSEnable = false; + } + + pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID; + pCurrSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID; + + if ((pMgmt->eCurrMode == WMAC_MODE_STANDBY) || + (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) { + /* assoc with BSS */ + if (pMgmt->sNodeDBTable[0].bActive) { + if (pDevice->bUpdateBBVGA) + s_vCheckPreEDThreshold((void *)pDevice); + + if ((pMgmt->sNodeDBTable[0].uInActiveCount >= (LOST_BEACON_COUNT/2)) && + (pDevice->byBBVGACurrent != pDevice->abyBBVGA[0])) { + pDevice->byBBVGANew = pDevice->abyBBVGA[0]; + bScheduleCommand((void *)pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL); + } + + if (pMgmt->sNodeDBTable[0].uInActiveCount >= LOST_BEACON_COUNT) { + pMgmt->sNodeDBTable[0].bActive = false; + pMgmt->eCurrMode = WMAC_MODE_STANDBY; + pMgmt->eCurrState = WMAC_STATE_IDLE; + netif_stop_queue(pDevice->dev); + pDevice->bLinkPass = false; + pDevice->bRoaming = true; + DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost AP beacon [%d] sec, disconnected !\n", pMgmt->sNodeDBTable[0].uInActiveCount); + if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) { + wpahdr = (viawget_wpa_header *)pDevice->skb->data; + wpahdr->type = VIAWGET_DISASSOC_MSG; + wpahdr->resp_ie_len = 0; + wpahdr->req_ie_len = 0; + skb_put(pDevice->skb, sizeof(viawget_wpa_header)); + pDevice->skb->dev = pDevice->wpadev; + skb_reset_mac_header(pDevice->skb); + pDevice->skb->pkt_type = PACKET_HOST; + pDevice->skb->protocol = htons(ETH_P_802_2); + memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb)); + netif_rx(pDevice->skb); + pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); + } +#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT + { + union iwreq_data wrqu; + memset(&wrqu, 0, sizeof(wrqu)); + wrqu.ap_addr.sa_family = ARPHRD_ETHER; + PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n"); + wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL); + } +#endif + } + } else if (pItemSSID->len != 0) { + if (pDevice->uAutoReConnectTime < 10) { + pDevice->uAutoReConnectTime++; +#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT + /* + * network manager support need not do + * Roaming scan??? + */ + if (pDevice->bWPASuppWextEnabled) + pDevice->uAutoReConnectTime = 0; +#endif + } else { + /* + * mike use old encryption status + * for wpa reauthentication + */ + if (pDevice->bWPADEVUp) + pDevice->eEncryptionStatus = pDevice->eOldEncryptionStatus; + + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming ...\n"); + BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass); + pMgmt->eScanType = WMAC_SCAN_ACTIVE; + bScheduleCommand((void *)pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID); + bScheduleCommand((void *)pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID); + pDevice->uAutoReConnectTime = 0; + } + } + } + + if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) { + /* if adhoc started which essid is NULL string, rescanning */ + if ((pMgmt->eCurrState == WMAC_STATE_STARTED) && (pCurrSSID->len == 0)) { + if (pDevice->uAutoReConnectTime < 10) { + pDevice->uAutoReConnectTime++; + } else { + DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scanning ...\n"); + pMgmt->eScanType = WMAC_SCAN_ACTIVE; + bScheduleCommand((void *)pDevice, WLAN_CMD_BSSID_SCAN, NULL); + bScheduleCommand((void *)pDevice, WLAN_CMD_SSID, NULL); + pDevice->uAutoReConnectTime = 0; + } + } + if (pMgmt->eCurrState == WMAC_STATE_JOINTED) { + if (pDevice->bUpdateBBVGA) + s_vCheckPreEDThreshold((void *)pDevice); + if (pMgmt->sNodeDBTable[0].uInActiveCount >= ADHOC_LOST_BEACON_COUNT) { + DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost other STA beacon [%d] sec, started !\n", pMgmt->sNodeDBTable[0].uInActiveCount); + pMgmt->sNodeDBTable[0].uInActiveCount = 0; + pMgmt->eCurrState = WMAC_STATE_STARTED; + netif_stop_queue(pDevice->dev); + pDevice->bLinkPass = false; + } + } + } + + spin_unlock_irq(&pDevice->lock); + + pMgmt->sTimerSecondCallback.expires = RUN_AT(HZ); + add_timer(&pMgmt->sTimerSecondCallback); + return; +} + +/*+ + * + * Routine Description: + * + * + * Update Tx attemps, Tx failure counter in Node DB + * + * + * Return Value: + * none. + * + -*/ + +void +BSSvUpdateNodeTxCounter( + void *hDeviceContext, + unsigned char byTsr0, + unsigned char byTsr1, + unsigned char *pbyBuffer, + unsigned int uFIFOHeaderSize +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + unsigned int uNodeIndex = 0; + unsigned char byTxRetry = (byTsr0 & TSR0_NCR); + PSTxBufHead pTxBufHead; + PS802_11Header pMACHeader; + unsigned short wRate; + unsigned short wFallBackRate = RATE_1M; + unsigned char byFallBack; + unsigned int ii; + pTxBufHead = (PSTxBufHead) pbyBuffer; + if (pTxBufHead->wFIFOCtl & FIFOCTL_AUTO_FB_0) + byFallBack = AUTO_FB_0; + else if (pTxBufHead->wFIFOCtl & FIFOCTL_AUTO_FB_1) + byFallBack = AUTO_FB_1; + else + byFallBack = AUTO_FB_NONE; + wRate = pTxBufHead->wReserved; + + /* Only Unicast using support rates */ + if (pTxBufHead->wFIFOCtl & FIFOCTL_NEEDACK) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wRate %04X, byTsr0 %02X, byTsr1 %02X\n", wRate, byTsr0, byTsr1); + if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) { + pMgmt->sNodeDBTable[0].uTxAttempts += 1; + if ((byTsr1 & TSR1_TERR) == 0) { + /* transmit success, TxAttempts at least plus one */ + pMgmt->sNodeDBTable[0].uTxOk[MAX_RATE]++; + if ((byFallBack == AUTO_FB_NONE) || + (wRate < RATE_18M)) { + wFallBackRate = wRate; + } else if (byFallBack == AUTO_FB_0) { + if (byTxRetry < 5) + wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry]; + else + wFallBackRate = awHWRetry0[wRate-RATE_18M][4]; + } else if (byFallBack == AUTO_FB_1) { + if (byTxRetry < 5) + wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry]; + else + wFallBackRate = awHWRetry1[wRate-RATE_18M][4]; + } + pMgmt->sNodeDBTable[0].uTxOk[wFallBackRate]++; + } else { + pMgmt->sNodeDBTable[0].uTxFailures++; + } + pMgmt->sNodeDBTable[0].uTxRetry += byTxRetry; + if (byTxRetry != 0) { + pMgmt->sNodeDBTable[0].uTxFail[MAX_RATE] += byTxRetry; + if ((byFallBack == AUTO_FB_NONE) || + (wRate < RATE_18M)) { + pMgmt->sNodeDBTable[0].uTxFail[wRate] += byTxRetry; + } else if (byFallBack == AUTO_FB_0) { + for (ii = 0; ii < byTxRetry; ii++) { + if (ii < 5) + wFallBackRate = awHWRetry0[wRate-RATE_18M][ii]; + else + wFallBackRate = awHWRetry0[wRate-RATE_18M][4]; + pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++; + } + } else if (byFallBack == AUTO_FB_1) { + for (ii = 0; ii < byTxRetry; ii++) { + if (ii < 5) + wFallBackRate = awHWRetry1[wRate-RATE_18M][ii]; + else + wFallBackRate = awHWRetry1[wRate-RATE_18M][4]; + pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++; + } + } + } + } + + if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) || + (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)) { + pMACHeader = (PS802_11Header)(pbyBuffer + uFIFOHeaderSize); + + if (BSSDBbIsSTAInNodeDB((void *)pMgmt, &(pMACHeader->abyAddr1[0]), &uNodeIndex)) { + pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts += 1; + if ((byTsr1 & TSR1_TERR) == 0) { + /* transmit success, TxAttempts at least plus one */ + pMgmt->sNodeDBTable[uNodeIndex].uTxOk[MAX_RATE]++; + if ((byFallBack == AUTO_FB_NONE) || + (wRate < RATE_18M)) { + wFallBackRate = wRate; + } else if (byFallBack == AUTO_FB_0) { + if (byTxRetry < 5) + wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry]; + else + wFallBackRate = awHWRetry0[wRate-RATE_18M][4]; + } else if (byFallBack == AUTO_FB_1) { + if (byTxRetry < 5) + wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry]; + else + wFallBackRate = awHWRetry1[wRate-RATE_18M][4]; + } + pMgmt->sNodeDBTable[uNodeIndex].uTxOk[wFallBackRate]++; + } else { + pMgmt->sNodeDBTable[uNodeIndex].uTxFailures++; + } + pMgmt->sNodeDBTable[uNodeIndex].uTxRetry += byTxRetry; + if (byTxRetry != 0) { + pMgmt->sNodeDBTable[uNodeIndex].uTxFail[MAX_RATE] += byTxRetry; + if ((byFallBack == AUTO_FB_NONE) || + (wRate < RATE_18M)) { + pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wRate] += byTxRetry; + } else if (byFallBack == AUTO_FB_0) { + for (ii = 0; ii < byTxRetry; ii++) { + if (ii < 5) + wFallBackRate = awHWRetry0[wRate - RATE_18M][ii]; + else + wFallBackRate = awHWRetry0[wRate - RATE_18M][4]; + pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++; + } + } else if (byFallBack == AUTO_FB_1) { + for (ii = 0; ii < byTxRetry; ii++) { + if (ii < 5) + wFallBackRate = awHWRetry1[wRate-RATE_18M][ii]; + else + wFallBackRate = awHWRetry1[wRate-RATE_18M][4]; + pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++; + } + } + } + } + } + } + + return; +} + +/*+ + * + * Routine Description: + * Clear Nodes & skb in DB Table + * + * + * Parameters: + * In: + * hDeviceContext - The adapter context. + * uStartIndex - starting index + * Out: + * none + * + * Return Value: + * None. + * + -*/ + +void +BSSvClearNodeDBTable( + void *hDeviceContext, + unsigned int uStartIndex +) + +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + struct sk_buff *skb; + unsigned int ii; + + for (ii = uStartIndex; ii < (MAX_NODE_NUM + 1); ii++) { + if (pMgmt->sNodeDBTable[ii].bActive) { + /* check if sTxPSQueue has been initial */ + if (pMgmt->sNodeDBTable[ii].sTxPSQueue.next != NULL) { + while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) != NULL) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PS skb != NULL %d\n", ii); + dev_kfree_skb(skb); + } + } + memset(&pMgmt->sNodeDBTable[ii], 0, sizeof(KnownNodeDB)); + } + } + + return; +}; + +void s_vCheckSensitivity( + void *hDeviceContext +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PKnownBSS pBSSList = NULL; + PSMgmtObject pMgmt = pDevice->pMgmt; + int ii; + + if ((pDevice->byLocalID <= REV_ID_VT3253_A1) && (pDevice->byRFType == RF_RFMD2959) && + (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) { + return; + } + + if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) || + ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) { + pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID); + if (pBSSList != NULL) { + /* Update BB Reg if RSSI is too strong */ + long LocalldBmAverage = 0; + long uNumofdBm = 0; + for (ii = 0; ii < RSSI_STAT_COUNT; ii++) { + if (pBSSList->ldBmAverage[ii] != 0) { + uNumofdBm++; + LocalldBmAverage += pBSSList->ldBmAverage[ii]; + } + } + if (uNumofdBm > 0) { + LocalldBmAverage = LocalldBmAverage/uNumofdBm; + for (ii = 0; ii < BB_VGA_LEVEL; ii++) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "LocalldBmAverage:%ld, %ld %02x\n", LocalldBmAverage, pDevice->ldBmThreshold[ii], pDevice->abyBBVGA[ii]); + if (LocalldBmAverage < pDevice->ldBmThreshold[ii]) { + pDevice->byBBVGANew = pDevice->abyBBVGA[ii]; + break; + } + } + if (pDevice->byBBVGANew != pDevice->byBBVGACurrent) { + pDevice->uBBVGADiffCount++; + if (pDevice->uBBVGADiffCount >= BB_VGA_CHANGE_THRESHOLD) + bScheduleCommand((void *)pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL); + } else { + pDevice->uBBVGADiffCount = 0; + } + } + } + } +} + +void +BSSvClearAnyBSSJoinRecord( + void *hDeviceContext +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PSMgmtObject pMgmt = pDevice->pMgmt; + unsigned int ii; + + for (ii = 0; ii < MAX_BSS_NUM; ii++) + pMgmt->sBSSList[ii].bSelected = false; + return; +} + +#ifdef Calcu_LinkQual +void s_uCalculateLinkQual( + void *hDeviceContext +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + unsigned long TxOkRatio, TxCnt; + unsigned long RxOkRatio, RxCnt; + unsigned long RssiRatio; + long ldBm; + + TxCnt = pDevice->scStatistic.TxNoRetryOkCount + + pDevice->scStatistic.TxRetryOkCount + + pDevice->scStatistic.TxFailCount; + RxCnt = pDevice->scStatistic.RxFcsErrCnt + + pDevice->scStatistic.RxOkCnt; + TxOkRatio = (TxCnt < 6) ? 4000 : ((pDevice->scStatistic.TxNoRetryOkCount * 4000) / TxCnt); + RxOkRatio = (RxCnt < 6) ? 2000 : ((pDevice->scStatistic.RxOkCnt * 2000) / RxCnt); + /* decide link quality */ + if (!pDevice->bLinkPass) { + pDevice->scStatistic.LinkQuality = 0; + pDevice->scStatistic.SignalStren = 0; + } else { + RFvRSSITodBm(pDevice, (unsigned char)(pDevice->uCurrRSSI), &ldBm); + if (-ldBm < 50) + RssiRatio = 4000; + else if (-ldBm > 90) + RssiRatio = 0; + else + RssiRatio = (40-(-ldBm-50))*4000/40; + pDevice->scStatistic.SignalStren = RssiRatio/40; + pDevice->scStatistic.LinkQuality = (RssiRatio+TxOkRatio+RxOkRatio)/100; + } + pDevice->scStatistic.RxFcsErrCnt = 0; + pDevice->scStatistic.RxOkCnt = 0; + pDevice->scStatistic.TxFailCount = 0; + pDevice->scStatistic.TxNoRetryOkCount = 0; + pDevice->scStatistic.TxRetryOkCount = 0; + return; +} +#endif + +void s_vCheckPreEDThreshold( + void *hDeviceContext +) +{ + PSDevice pDevice = (PSDevice)hDeviceContext; + PKnownBSS pBSSList = NULL; + PSMgmtObject pMgmt = &(pDevice->sMgmtObj); + + if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) || + ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) { + pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID); + if (pBSSList != NULL) + pDevice->byBBPreEDRSSI = (unsigned char) (~(pBSSList->ldBmAverRange) + 1); + } + return; +} |