diff options
Diffstat (limited to 'drivers/staging/vt6656/bssdb.c')
| -rw-r--r-- | drivers/staging/vt6656/bssdb.c | 1466 |
1 files changed, 0 insertions, 1466 deletions
diff --git a/drivers/staging/vt6656/bssdb.c b/drivers/staging/vt6656/bssdb.c deleted file mode 100644 index 8e9ce96442a0..000000000000 --- a/drivers/staging/vt6656/bssdb.c +++ /dev/null @@ -1,1466 +0,0 @@ -/* - * 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-fallback 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 "usbpipe.h" -#include "iowpa.h" -#include "power.h" - -static int msglevel = MSG_LEVEL_INFO; -/* static int msglevel = MSG_LEVEL_DEBUG; */ - -static 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} - }; -static 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) { - 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 && - ((PWLAN_IE_SSID) pbyDesireSSID)->len != 0) - pSSID = (PWLAN_IE_SSID) pbyDesireSSID; - - if (pbyBSSID && 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 && - ether_addr_equal(pCurrBSS->abyBSSID, pbyBSSID)) { - if (pSSID) { - /* compare ssid */ - if (!memcmp(pSSID->abySSID, - ((PWLAN_IE_SSID) pCurrBSS->abySSID)->abySSID, - pSSID->len) && - (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 && - /* matched SSID */ - (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 && - ((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) - pSelect = pCurrBSS; - /* compare RSSI, select the strongest signal */ - else if (pCurrBSS->uRSSI < pSelect->uRSSI) - pSelect = pCurrBSS; - } - } - - pDevice->bSameBSSMaxNum = jj; - - if (pSelect) { - 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 && - pMgmt->sBSSList[ii].bActive && - ether_addr_equal(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 && - ether_addr_equal(pBSSList->abyBSSID, abyBSSID) && - pSSID->len == ((PWLAN_IE_SSID) pBSSList->abySSID)->len && - 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) { - 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 */ - pBSSList == pMgmt->pCurrBSS) - bParsingQuiet = true; - - WPA_ClearRSN(pBSSList); - - if (pRSNWPA) { - 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) { - 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 && - (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; - - - } - } - } - - /* Monitor if RSSI is too strong. */ - pBSSList->byRSSIStatCnt = 0; - - vnt_rf_rssi_to_dbm(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) - 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) - 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 */ - pBSSList == pMgmt->pCurrBSS) - bParsingQuiet = true; - - WPA_ClearRSN(pBSSList); /* mike update */ - - if (pRSNWPA) { - 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) { - 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) { - vnt_rf_rssi_to_dbm(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 && - ether_addr_equal(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) { - while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue))) - 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))) - 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; - - 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 work_struct *work) -{ - struct vnt_private *pDevice = container_of(work, - struct vnt_private, second_callback_work.work); - struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; - int ii; - PWLAN_IE_SSID pItemSSID, pCurrSSID; - u32 uSleepySTACnt = 0; - u32 uNonShortSlotSTACnt = 0; - u32 uLongPreambleSTACnt = 0; - - if (pDevice->Flags & fMP_DISCONNECTED) - return; - - 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 if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) { - /* ii = 0 reserved for unicast AP node (Infra 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 */ - - 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; - - vnt_mac_set_led(pDevice, 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) { - - 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; - vnt_mac_set_led(pDevice, LEDSTS_STS, - LEDSTS_SLOW); - } - } - } - - if (pDevice->bLinkPass == true) { - if ((pMgmt->eAuthenMode < WMAC_AUTH_WPA || - pDevice->fWPA_Authened == true) && - (++pDevice->tx_data_time_out > 40)) { - pDevice->tx_trigger = true; - - PSbSendNullPacket(pDevice); - - pDevice->tx_trigger = false; - pDevice->tx_data_time_out = 0; - } - - if (netif_queue_stopped(pDevice->dev)) - netif_wake_queue(pDevice->dev); - } - - schedule_delayed_work(&pDevice->second_callback_work, HZ); -} - -/* - * Routine Description: - * - * - * Update Tx attemps, Tx failure counter in Node DB - * - * - * Return Value: - * none. - */ -void BSSvUpdateNodeTxCounter(struct vnt_private *pDevice, u8 byTSR, u8 byPktNO) -{ - struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; - struct vnt_tx_pkt_info *pkt_info = pDevice->pkt_info; - 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 = pkt_info[byPktNum].fifo_ctl; - pbyDestAddr = pkt_info[byPktNum].dest_addr; - - 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) && - 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) { - while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[ii].sTxPSQueue))) { - 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) { - /* 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) -{ - struct net_device_stats *stats = &pDevice->stats; - unsigned long TxOkRatio, TxCnt; - unsigned long RxOkRatio, RxCnt; - unsigned long RssiRatio; - unsigned long qual; - long ldBm; - - TxCnt = stats->tx_packets + pDevice->wstats.discard.retries; - - RxCnt = stats->rx_packets + stats->rx_frame_errors; - - TxOkRatio = (TxCnt < 6) ? 4000:((stats->tx_packets * 4000) / TxCnt); - - RxOkRatio = (RxCnt < 6) ? 2000 : - ((stats->rx_packets * 2000) / RxCnt); - - /* decide link quality */ - if (pDevice->bLinkPass != true) { - pDevice->wstats.qual.qual = 0; - } else { - vnt_rf_rssi_to_dbm(pDevice, (u8) (pDevice->uCurrRSSI), &ldBm); - if (-ldBm < 50) - RssiRatio = 4000; - else if (-ldBm > 90) - RssiRatio = 0; - else - RssiRatio = (40-(-ldBm-50)) * 4000 / 40; - - qual = (RssiRatio + TxOkRatio + RxOkRatio) / 100; - if (qual < 100) - pDevice->wstats.qual.qual = (u8) qual; - else - pDevice->wstats.qual.qual = 100; - } -} - -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) { - pDevice->byBBPreEDRSSI = - (u8) (~(pBSSList->ldBmAverRange) + 1); - BBvUpdatePreEDThreshold(pDevice, false); - } - } -} - |