| /* |
| * 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 |
| * BSSbIsSTAInNodeDB - 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 "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 "mac.h" |
| #include "wpa2.h" |
| #include "control.h" |
| #include "rndis.h" |
| #include "iowpa.h" |
| |
| static int msglevel =MSG_LEVEL_INFO; |
| //static int msglevel =MSG_LEVEL_DEBUG; |
| |
| const u16 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 u16 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 void s_vCheckSensitivity(struct vnt_private *pDevice); |
| static void s_vCheckPreEDThreshold(struct vnt_private *pDevice); |
| static void s_uCalculateLinkQual(struct vnt_private *pDevice); |
| |
| /*+ |
| * |
| * Routine Description: |
| * Search known BSS list for Desire SSID or BSSID. |
| * |
| * Return Value: |
| * PTR to KnownBSS or NULL |
| * |
| -*/ |
| |
| PKnownBSS BSSpSearchBSSList(struct vnt_private *pDevice, |
| u8 *pbyDesireBSSID, u8 *pbyDesireSSID, |
| CARD_PHY_TYPE ePhyType) |
| { |
| struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
| u8 *pbyBSSID = NULL; |
| PWLAN_IE_SSID pSSID = NULL; |
| PKnownBSS pCurrBSS = NULL; |
| PKnownBSS pSelect = NULL; |
| u8 ZeroBSSID[WLAN_BSSID_LEN] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| int ii = 0; |
| int jj = 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)&&(pDevice->bRoaming == false)) { |
| // match BSSID first |
| for (ii = 0; ii <MAX_BSS_NUM; ii++) { |
| pCurrBSS = &(pMgmt->sBSSList[ii]); |
| |
| pCurrBSS->bSelected = false; |
| |
| if ((pCurrBSS->bActive) && |
| (pCurrBSS->bSelected == false)) { |
| if (!compare_ether_addr(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<Mark>by MikeLiu |
| // if ((pCurrBSS->bActive) && |
| // (pCurrBSS->bSelected == false)) { |
| |
| 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; |
| } |
| } |
| |
| pMgmt->pSameBSS[jj].uChannel = pCurrBSS->uChannel; |
| DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO |
| "BSSpSearchBSSList pSelect1[%pM]\n", |
| pCurrBSS->abyBSSID); |
| jj++; |
| |
| if (pSelect == NULL) { |
| pSelect = pCurrBSS; |
| } else { |
| // compare RSSI, select the strongest signal |
| if (pCurrBSS->uRSSI < pSelect->uRSSI) { |
| pSelect = pCurrBSS; |
| } |
| } |
| } |
| } |
| |
| pDevice->bSameBSSMaxNum = jj; |
| |
| if (pSelect != NULL) { |
| pSelect->bSelected = true; |
| if (pDevice->bRoaming == false) { |
| // Einsn Add @20070907 |
| memcpy(pbyDesireSSID,pCurrBSS->abySSID,WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1) ; |
| } |
| |
| return(pSelect); |
| } |
| } |
| return(NULL); |
| |
| } |
| |
| /*+ |
| * |
| * Routine Description: |
| * Clear BSS List |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| void BSSvClearBSSList(struct vnt_private *pDevice, int bKeepCurrBSSID) |
| { |
| struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
| int ii; |
| |
| for (ii = 0; ii < MAX_BSS_NUM; ii++) { |
| if (bKeepCurrBSSID) { |
| if (pMgmt->sBSSList[ii].bActive && |
| !compare_ether_addr(pMgmt->sBSSList[ii].abyBSSID, |
| pMgmt->abyCurrBSSID)) { |
| //mike mark: there are two BSSID's in list. If that AP is in hidden ssid mode, one SSID is null, |
| // but other's might not be obvious, so if it associate's with your STA, |
| // you must keep the two of them!! |
| // bKeepCurrBSSID = false; |
| continue; |
| } |
| } |
| |
| pMgmt->sBSSList[ii].bActive = false; |
| memset(&pMgmt->sBSSList[ii], 0, sizeof(KnownBSS)); |
| } |
| BSSvClearAnyBSSJoinRecord(pDevice); |
| } |
| |
| /*+ |
| * |
| * Routine Description: |
| * search BSS list by BSSID & SSID if matched |
| * |
| * Return Value: |
| * true if found. |
| * |
| -*/ |
| PKnownBSS BSSpAddrIsInBSSList(struct vnt_private *pDevice, |
| u8 *abyBSSID, PWLAN_IE_SSID pSSID) |
| { |
| struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
| PKnownBSS pBSSList = NULL; |
| int ii; |
| |
| for (ii = 0; ii < MAX_BSS_NUM; ii++) { |
| pBSSList = &(pMgmt->sBSSList[ii]); |
| if (pBSSList->bActive) { |
| if (!compare_ether_addr(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. |
| * |
| -*/ |
| |
| int BSSbInsertToBSSList(struct vnt_private *pDevice, |
| u8 *abyBSSIDAddr, |
| u64 qwTimestamp, |
| u16 wBeaconInterval, |
| u16 wCapInfo, |
| u8 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, |
| u32 uIELength, |
| u8 *pbyIEs, |
| void *pRxPacketContext) |
| { |
| struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
| struct vnt_rx_mgmt *pRxPacket = |
| (struct vnt_rx_mgmt *)pRxPacketContext; |
| PKnownBSS pBSSList = NULL; |
| unsigned int ii; |
| bool bParsingQuiet = false; |
| |
| 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); |
| pBSSList->qwBSSTimestamp = cpu_to_le64(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 == true) { |
| 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) (u32) ((u8 *) 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) (u32) ((u8 *) pRSN - pbyIEs))) { |
| pBSSList->wRSNLen = uLen; |
| memcpy(pBSSList->byRSNIE, pRSN, uLen); |
| WPA2vParseRSN(pBSSList, pRSN); |
| } |
| } |
| |
| if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || (pBSSList->bWPA2Valid == true)) { |
| |
| 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 == true) && (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 == true) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) { |
| if ((KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, PAIRWISE_KEY, &pTransmitKey) == true) || |
| (KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, GROUP_KEY, &pTransmitKey) == true)) { |
| 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, (u8)(pRxPacket->uRSSI), &pBSSList->ldBmMAX); |
| pBSSList->ldBmAverage[0] = pBSSList->ldBmMAX; |
| pBSSList->ldBmAverRange = pBSSList->ldBmMAX; |
| for (ii = 1; ii < RSSI_STAT_COUNT; ii++) |
| pBSSList->ldBmAverage[ii] = 0; |
| } |
| |
| 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 |
| |
| int BSSbUpdateToBSSList(struct vnt_private *pDevice, |
| u64 qwTimestamp, |
| u16 wBeaconInterval, |
| u16 wCapInfo, |
| u8 byCurrChannel, |
| int 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, |
| u32 uIELength, |
| u8 *pbyIEs, |
| void *pRxPacketContext) |
| { |
| struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
| struct vnt_rx_mgmt *pRxPacket = |
| (struct vnt_rx_mgmt *)pRxPacketContext; |
| int ii, jj; |
| signed long ldBm, ldBmSum; |
| bool bParsingQuiet = false; |
| |
| if (pBSSList == NULL) |
| return false; |
| |
| pBSSList->qwBSSTimestamp = cpu_to_le64(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 == true) { |
| 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) (u32) ((u8 *) 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) (u32) ((u8 *) pRSN - pbyIEs))) { |
| pBSSList->wRSNLen = uLen; |
| memcpy(pBSSList->byRSNIE, pRSN, uLen); |
| WPA2vParseRSN(pBSSList, pRSN); |
| } |
| } |
| |
| if (pRxPacket->uRSSI != 0) { |
| RFvRSSITodBm(pDevice, (u8)(pRxPacket->uRSSI), &ldBm); |
| // Monitor if RSSI is too strong. |
| pBSSList->byRSSIStatCnt++; |
| pBSSList->byRSSIStatCnt %= RSSI_STAT_COUNT; |
| pBSSList->ldBmAverage[pBSSList->byRSSIStatCnt] = ldBm; |
| ldBmSum = 0; |
| for (ii = 0, jj = 0; ii < RSSI_STAT_COUNT; ii++) { |
| if (pBSSList->ldBmAverage[ii] != 0) { |
| pBSSList->ldBmMAX = |
| max(pBSSList->ldBmAverage[ii], ldBm); |
| ldBmSum += |
| pBSSList->ldBmAverage[ii]; |
| jj++; |
| } |
| } |
| pBSSList->ldBmAverRange = ldBmSum /jj; |
| } |
| |
| 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 |
| * |
| -*/ |
| |
| int BSSbIsSTAInNodeDB(struct vnt_private *pDevice, |
| u8 *abyDstAddr, u32 *puNodeIndex) |
| { |
| struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
| unsigned int ii; |
| |
| // Index = 0 reserved for AP Node |
| for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) { |
| if (pMgmt->sNodeDBTable[ii].bActive) { |
| if (!compare_ether_addr(abyDstAddr, |
| pMgmt->sNodeDBTable[ii].abyMACAddr)) { |
| *puNodeIndex = ii; |
| return true; |
| } |
| } |
| } |
| |
| return false; |
| }; |
| |
| /*+ |
| * |
| * Routine Description: |
| * Find an empty node and allocate it; if no empty node |
| * is found, then use the most inactive one. |
| * |
| * Return Value: |
| * None |
| * |
| -*/ |
| void BSSvCreateOneNode(struct vnt_private *pDevice, u32 *puNodeIndex) |
| { |
| struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
| int ii; |
| u32 BigestCount = 0; |
| u32 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 with the largest one. |
| if ( ii == (MAX_NODE_NUM + 1)) { |
| *puNodeIndex = SelectIndex; |
| DBG_PRT(MSG_LEVEL_DEBUG, 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); |
| }; |
| |
| /*+ |
| * |
| * Routine Description: |
| * Remove Node by NodeIndex |
| * |
| * |
| * Return Value: |
| * None |
| * |
| -*/ |
| |
| void BSSvRemoveOneNode(struct vnt_private *pDevice, u32 uNodeIndex) |
| { |
| struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
| u8 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]; |
| }; |
| /*+ |
| * |
| * Routine Description: |
| * Update AP Node content in Index 0 of KnownNodeDB |
| * |
| * |
| * Return Value: |
| * None |
| * |
| -*/ |
| |
| void BSSvUpdateAPNode(struct vnt_private *pDevice, u16 *pwCapInfo, |
| PWLAN_IE_SUPP_RATES pSuppRates, PWLAN_IE_SUPP_RATES pExtSuppRates) |
| { |
| struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
| u32 uRateLen = WLAN_RATES_MAXLEN; |
| |
| memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB)); |
| |
| pMgmt->sNodeDBTable[0].bActive = true; |
| if (pDevice->byBBType == BB_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; |
| // Auto rate fallback function initiation. |
| // RATEbInit(pDevice); |
| 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(struct vnt_private *pDevice) |
| { |
| struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
| |
| 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; |
| pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND; |
| |
| }; |
| |
| /*+ |
| * |
| * Routine Description: |
| * |
| * |
| * Second call back function to update Node DB info & AP link status |
| * |
| * |
| * Return Value: |
| * none. |
| * |
| -*/ |
| |
| void BSSvSecondCallBack(struct vnt_private *pDevice) |
| { |
| struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
| int ii; |
| PWLAN_IE_SSID pItemSSID, pCurrSSID; |
| u32 uSleepySTACnt = 0; |
| u32 uNonShortSlotSTACnt = 0; |
| u32 uLongPreambleSTACnt = 0; |
| |
| spin_lock_irq(&pDevice->lock); |
| |
| pDevice->uAssocCount = 0; |
| |
| //Power Saving Mode Tx Burst |
| if ( pDevice->bEnablePSMode == true ) { |
| pDevice->ulPSModeWaitTx++; |
| if ( pDevice->ulPSModeWaitTx >= 2 ) { |
| pDevice->ulPSModeWaitTx = 0; |
| pDevice->bPSModeTxBurst = false; |
| } |
| } |
| |
| pDevice->byERPFlag &= |
| ~(WLAN_SET_ERP_BARKER_MODE(1) | WLAN_SET_ERP_NONERP_PRESENT(1)); |
| |
| if (pDevice->wUseProtectCntDown > 0) { |
| pDevice->wUseProtectCntDown --; |
| } |
| else { |
| // disable protect mode |
| pDevice->byERPFlag &= ~(WLAN_SET_ERP_USE_PROTECTION(1)); |
| } |
| |
| if(pDevice->byReAssocCount > 0) { |
| pDevice->byReAssocCount++; |
| if((pDevice->byReAssocCount > 10) && (pDevice->bLinkPass != true)) { //10 sec timeout |
| printk("Re-association timeout!!!\n"); |
| pDevice->byReAssocCount = 0; |
| // if(pDevice->bWPASuppWextEnabled == true) |
| { |
| 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); |
| } |
| } |
| else if(pDevice->bLinkPass == true) |
| pDevice->byReAssocCount = 0; |
| } |
| |
| pMgmt->eLastState = pMgmt->eCurrState ; |
| |
| s_uCalculateLinkQual(pDevice); |
| |
| 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) |
| RATEvTxRateFallBack((void *)pDevice, |
| &(pMgmt->sNodeDBTable[ii])); |
| } |
| |
| } |
| |
| // 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->byBBType == BB_TYPE_11G)) { |
| |
| // on/off protect mode |
| if (WLAN_GET_ERP_USE_PROTECTION(pDevice->byERPFlag)) { |
| if (!pDevice->bProtectMode) { |
| MACvEnableProtectMD(pDevice); |
| pDevice->bProtectMode = true; |
| } |
| } |
| else { |
| if (pDevice->bProtectMode) { |
| MACvDisableProtectMD(pDevice); |
| 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); |
| pDevice->bBarkerPreambleMd = true; |
| } |
| } |
| else { |
| if (pDevice->bBarkerPreambleMd) { |
| MACvDisableBarkerPreambleMd(pDevice); |
| 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)) { |
| |
| if (pMgmt->sNodeDBTable[0].bActive) { // Assoc with BSS |
| |
| if (pDevice->bUpdateBBVGA) { |
| s_vCheckSensitivity(pDevice); |
| s_vCheckPreEDThreshold(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; |
| ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW); |
| pDevice->bRoaming = true; |
| pDevice->bIsRoaming = false; |
| |
| DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost AP beacon [%d] sec, disconnected !\n", pMgmt->sNodeDBTable[0].uInActiveCount); |
| /* let wpa supplicant know AP may disconnect */ |
| { |
| 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); |
| } |
| } |
| } |
| else if (pItemSSID->len != 0) { |
| //Davidwang |
| if ((pDevice->bEnableRoaming == true)&&(!(pMgmt->Cisco_cckm))) { |
| DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "bRoaming %d, !\n", pDevice->bRoaming ); |
| DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "bIsRoaming %d, !\n", pDevice->bIsRoaming ); |
| if ((pDevice->bRoaming == true)&&(pDevice->bIsRoaming == true)){ |
| DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Fast Roaming ...\n"); |
| BSSvClearBSSList((void *) pDevice, pDevice->bLinkPass); |
| bScheduleCommand((void *) pDevice, |
| WLAN_CMD_BSSID_SCAN, |
| pMgmt->abyDesireSSID); |
| bScheduleCommand((void *) pDevice, |
| WLAN_CMD_SSID, |
| pMgmt->abyDesireSSID); |
| pDevice->uAutoReConnectTime = 0; |
| pDevice->uIsroamingTime = 0; |
| pDevice->bRoaming = false; |
| } |
| else if ((pDevice->bRoaming == false)&&(pDevice->bIsRoaming == true)) { |
| pDevice->uIsroamingTime++; |
| if (pDevice->uIsroamingTime >= 20) |
| pDevice->bIsRoaming = false; |
| } |
| |
| } |
| else { |
| if (pDevice->uAutoReConnectTime < 10) { |
| pDevice->uAutoReConnectTime++; |
| //network manager support need not do Roaming scan??? |
| if(pDevice->bWPASuppWextEnabled ==true) |
| pDevice->uAutoReConnectTime = 0; |
| } |
| else { |
| //mike use old encryption status for wpa reauthen |
| 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_vCheckSensitivity(pDevice); |
| s_vCheckPreEDThreshold(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; |
| ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW); |
| } |
| } |
| } |
| |
| if (pDevice->bLinkPass == true) { |
| if (netif_queue_stopped(pDevice->dev)) |
| netif_wake_queue(pDevice->dev); |
| } |
| |
| spin_unlock_irq(&pDevice->lock); |
| |
| pMgmt->sTimerSecondCallback.expires = RUN_AT(HZ); |
| add_timer(&pMgmt->sTimerSecondCallback); |
| } |
| |
| /*+ |
| * |
| * Routine Description: |
| * |
| * |
| * Update Tx attemps, Tx failure counter in Node DB |
| * |
| * |
| * Return Value: |
| * none. |
| * |
| -*/ |
| |
| void BSSvUpdateNodeTxCounter(struct vnt_private *pDevice, |
| PSStatCounter pStatistic, u8 byTSR, u8 byPktNO) |
| { |
| struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
| u32 uNodeIndex = 0; |
| u8 byTxRetry; |
| u16 wRate; |
| u16 wFallBackRate = RATE_1M; |
| u8 byFallBack; |
| int ii; |
| u8 *pbyDestAddr; |
| u8 byPktNum; |
| u16 wFIFOCtl; |
| |
| byPktNum = (byPktNO & 0x0F) >> 4; |
| byTxRetry = (byTSR & 0xF0) >> 4; |
| wRate = (u16) (byPktNO & 0xF0) >> 4; |
| wFIFOCtl = pStatistic->abyTxPktInfo[byPktNum].wFIFOCtl; |
| pbyDestAddr = (u8 *) &( pStatistic->abyTxPktInfo[byPktNum].abyDestAddr[0]); |
| |
| if (wFIFOCtl & FIFOCTL_AUTO_FB_0) { |
| byFallBack = AUTO_FB_0; |
| } else if (wFIFOCtl & FIFOCTL_AUTO_FB_1) { |
| byFallBack = AUTO_FB_1; |
| } else { |
| byFallBack = AUTO_FB_NONE; |
| } |
| |
| // Only Unicast using support rates |
| if (wFIFOCtl & FIFOCTL_NEEDACK) { |
| if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) { |
| pMgmt->sNodeDBTable[0].uTxAttempts += 1; |
| if ( !(byTSR & (TSR_TMO | TSR_RETRYTMO))) { |
| // 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)) { |
| |
| if (BSSbIsSTAInNodeDB((void *) pDevice, |
| pbyDestAddr, |
| &uNodeIndex)) { |
| pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts += 1; |
| if ( !(byTSR & (TSR_TMO | TSR_RETRYTMO))) { |
| // 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]++; |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| /*+ |
| * |
| * Routine Description: |
| * Clear Nodes & skb in DB Table |
| * |
| * |
| * Parameters: |
| * In: |
| * hDeviceContext - The adapter context. |
| * uStartIndex - starting index |
| * Out: |
| * none |
| * |
| * Return Value: |
| * None. |
| * |
| -*/ |
| |
| void BSSvClearNodeDBTable(struct vnt_private *pDevice, u32 uStartIndex) |
| { |
| struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
| struct sk_buff *skb; |
| 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)); |
| } |
| } |
| }; |
| |
| static void s_vCheckSensitivity(struct vnt_private *pDevice) |
| { |
| PKnownBSS pBSSList = NULL; |
| struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
| int ii; |
| |
| 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 register if RSSI is too strong */ |
| signed long LocalldBmAverage = 0; |
| signed 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(pDevice, |
| WLAN_CMD_CHANGE_BBSENSITIVITY, |
| NULL); |
| } else { |
| pDevice->uBBVGADiffCount = 0; |
| } |
| } |
| } |
| } |
| } |
| |
| static void s_uCalculateLinkQual(struct vnt_private *pDevice) |
| { |
| 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 !=true) |
| { |
| pDevice->scStatistic.LinkQuality = 0; |
| pDevice->scStatistic.SignalStren = 0; |
| } |
| else |
| { |
| RFvRSSITodBm(pDevice, (u8)(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; |
| } |
| |
| void BSSvClearAnyBSSJoinRecord(struct vnt_private *pDevice) |
| { |
| struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
| int ii; |
| |
| for (ii = 0; ii < MAX_BSS_NUM; ii++) |
| pMgmt->sBSSList[ii].bSelected = false; |
| |
| return; |
| } |
| |
| static void s_vCheckPreEDThreshold(struct vnt_private *pDevice) |
| { |
| PKnownBSS pBSSList = NULL; |
| struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
| |
| 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 = (u8) (~(pBSSList->ldBmAverRange) + 1); |
| BBvUpdatePreEDThreshold(pDevice, false); |
| } |
| } |
| } |
| |
