+++ /dev/null
-/*
- * 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)) {
-
- 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) {
- vnt_mac_enable_protect_mode(pDevice);
- pDevice->bProtectMode = true;
- }
- } else if (pDevice->bProtectMode) {
- vnt_mac_disable_protect_mode(pDevice);
- pDevice->bProtectMode = false;
- }
- /* on/off short slot time */
-
- if (uNonShortSlotSTACnt > 0) {
- if (pDevice->bShortSlotTime) {
- pDevice->bShortSlotTime = false;
- BBvSetShortSlotTime(pDevice);
- vnt_update_ifs(pDevice);
- }
- } else if (!pDevice->bShortSlotTime) {
- pDevice->bShortSlotTime = true;
- BBvSetShortSlotTime(pDevice);
- vnt_update_ifs(pDevice);
- }
-
- /* on/off barker long preamble mode */
-
- if (uLongPreambleSTACnt > 0) {
- if (!pDevice->bBarkerPreambleMd) {
- vnt_mac_enable_barker_preamble_mode(pDevice);
- pDevice->bBarkerPreambleMd = true;
- }
- } else if (pDevice->bBarkerPreambleMd) {
- vnt_mac_disable_barker_preamble_mode(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);
- }
- }
-}
-
projects / platform / kernel / linux-starfive.git / commitdiff