diff options
Diffstat (limited to 'drivers/staging/vt6655/vntwifi.c')
| -rw-r--r-- | drivers/staging/vt6655/vntwifi.c | 705 |
1 files changed, 705 insertions, 0 deletions
diff --git a/drivers/staging/vt6655/vntwifi.c b/drivers/staging/vt6655/vntwifi.c new file mode 100644 index 00000000000..7d61598563c --- /dev/null +++ b/drivers/staging/vt6655/vntwifi.c @@ -0,0 +1,705 @@ +/* + * 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: vntwifi.c + * + * Purpose: export functions for vntwifi lib + * + * Functions: + * + * Revision History: + * + * Author: Yiching Chen + * + * Date: feb. 2, 2005 + * + */ + +#include "vntwifi.h" +#include "IEEE11h.h" +#include "country.h" +#include "device.h" +#include "wmgr.h" +#include "datarate.h" + +/*--------------------- Static Definitions -------------------------*/ + +/*--------------------- Static Classes ----------------------------*/ + +/*--------------------- Static Variables --------------------------*/ + +/*--------------------- Static Functions --------------------------*/ + +/*--------------------- Export Variables --------------------------*/ + +/*--------------------- Export Functions --------------------------*/ + +/*+ + * + * Description: + * Set Operation Mode + * + * Parameters: + * In: + * pMgmtHandle - pointer to management object + * eOPMode - Operation Mode + * Out: + * none + * + * Return Value: none + * + -*/ +void +VNTWIFIvSetOPMode( + void *pMgmtHandle, + WMAC_CONFIG_MODE eOPMode +) +{ + PSMgmtObject pMgmt = (PSMgmtObject)pMgmtHandle; + + pMgmt->eConfigMode = eOPMode; +} + +/*+ + * + * Description: + * Set Operation Mode + * + * Parameters: + * In: + * pMgmtHandle - pointer to management object + * wBeaconPeriod - Beacon Period + * wATIMWindow - ATIM window + * uChannel - channel number + * Out: + * none + * + * Return Value: none + * + -*/ +void +VNTWIFIvSetIBSSParameter( + void *pMgmtHandle, + unsigned short wBeaconPeriod, + unsigned short wATIMWindow, + unsigned int uChannel +) +{ + PSMgmtObject pMgmt = (PSMgmtObject)pMgmtHandle; + + pMgmt->wIBSSBeaconPeriod = wBeaconPeriod; + pMgmt->wIBSSATIMWindow = wATIMWindow; + pMgmt->uIBSSChannel = uChannel; +} + +/*+ + * + * Description: + * Get current SSID + * + * Parameters: + * In: + * pMgmtHandle - pointer to management object + * Out: + * none + * + * Return Value: current SSID pointer. + * + -*/ +PWLAN_IE_SSID +VNTWIFIpGetCurrentSSID( + void *pMgmtHandle +) +{ + PSMgmtObject pMgmt = (PSMgmtObject)pMgmtHandle; + return (PWLAN_IE_SSID) pMgmt->abyCurrSSID; +} + +/*+ + * + * Description: + * Get current link channel + * + * Parameters: + * In: + * pMgmtHandle - pointer to management object + * Out: + * none + * + * Return Value: current Channel. + * + -*/ +unsigned int +VNTWIFIpGetCurrentChannel( + void *pMgmtHandle +) +{ + PSMgmtObject pMgmt = (PSMgmtObject)pMgmtHandle; + if (pMgmtHandle != NULL) + return pMgmt->uCurrChannel; + + return 0; +} + +/*+ + * + * Description: + * Get current Assoc ID + * + * Parameters: + * In: + * pMgmtHandle - pointer to management object + * Out: + * none + * + * Return Value: current Assoc ID + * + -*/ +unsigned short +VNTWIFIwGetAssocID( + void *pMgmtHandle +) +{ + PSMgmtObject pMgmt = (PSMgmtObject)pMgmtHandle; + return pMgmt->wCurrAID; +} + +/*+ + * + * Description: + * This routine return max support rate of IES + * + * Parameters: + * In: + * pSupportRateIEs + * pExtSupportRateIEs + * + * Out: + * + * Return Value: max support rate + * + -*/ +unsigned char +VNTWIFIbyGetMaxSupportRate( + PWLAN_IE_SUPP_RATES pSupportRateIEs, + PWLAN_IE_SUPP_RATES pExtSupportRateIEs +) +{ + unsigned char byMaxSupportRate = RATE_1M; + unsigned char bySupportRate = RATE_1M; + unsigned int ii = 0; + + if (pSupportRateIEs) { + for (ii = 0; ii < pSupportRateIEs->len; ii++) { + bySupportRate = DATARATEbyGetRateIdx(pSupportRateIEs->abyRates[ii]); + if (bySupportRate > byMaxSupportRate) + byMaxSupportRate = bySupportRate; + + } + } + if (pExtSupportRateIEs) { + for (ii = 0; ii < pExtSupportRateIEs->len; ii++) { + bySupportRate = DATARATEbyGetRateIdx(pExtSupportRateIEs->abyRates[ii]); + if (bySupportRate > byMaxSupportRate) + byMaxSupportRate = bySupportRate; + + } + } + + return byMaxSupportRate; +} + +/*+ + * + * Description: + * This routine return data rate of ACK packtet + * + * Parameters: + * In: + * byRxDataRate + * pSupportRateIEs + * pExtSupportRateIEs + * + * Out: + * + * Return Value: max support rate + * + -*/ +unsigned char +VNTWIFIbyGetACKTxRate( + unsigned char byRxDataRate, + PWLAN_IE_SUPP_RATES pSupportRateIEs, + PWLAN_IE_SUPP_RATES pExtSupportRateIEs +) +{ + unsigned char byMaxAckRate; + unsigned char byBasicRate; + unsigned int ii; + + if (byRxDataRate <= RATE_11M) { + byMaxAckRate = RATE_1M; + } else { + // 24M is mandatory for 802.11a and 802.11g + byMaxAckRate = RATE_24M; + } + if (pSupportRateIEs) { + for (ii = 0; ii < pSupportRateIEs->len; ii++) { + if (pSupportRateIEs->abyRates[ii] & 0x80) { + byBasicRate = DATARATEbyGetRateIdx(pSupportRateIEs->abyRates[ii]); + if ((byBasicRate <= byRxDataRate) && + (byBasicRate > byMaxAckRate)) { + byMaxAckRate = byBasicRate; + } + } + } + } + if (pExtSupportRateIEs) { + for (ii = 0; ii < pExtSupportRateIEs->len; ii++) { + if (pExtSupportRateIEs->abyRates[ii] & 0x80) { + byBasicRate = DATARATEbyGetRateIdx(pExtSupportRateIEs->abyRates[ii]); + if ((byBasicRate <= byRxDataRate) && + (byBasicRate > byMaxAckRate)) { + byMaxAckRate = byBasicRate; + } + } + } + } + + return byMaxAckRate; +} + +/*+ + * + * Description: + * Set Authentication Mode + * + * Parameters: + * In: + * pMgmtHandle - pointer to management object + * eAuthMode - Authentication mode + * Out: + * none + * + * Return Value: none + * + -*/ +void +VNTWIFIvSetAuthenticationMode( + void *pMgmtHandle, + WMAC_AUTHENTICATION_MODE eAuthMode +) +{ + PSMgmtObject pMgmt = (PSMgmtObject)pMgmtHandle; + + pMgmt->eAuthenMode = eAuthMode; + if ((eAuthMode == WMAC_AUTH_SHAREKEY) || + (eAuthMode == WMAC_AUTH_AUTO)) { + pMgmt->bShareKeyAlgorithm = true; + } else { + pMgmt->bShareKeyAlgorithm = false; + } +} + +/*+ + * + * Description: + * Set Encryption Mode + * + * Parameters: + * In: + * pMgmtHandle - pointer to management object + * eAuthMode - Authentication mode + * Out: + * none + * + * Return Value: none + * + -*/ +void +VNTWIFIvSetEncryptionMode( + void *pMgmtHandle, + WMAC_ENCRYPTION_MODE eEncryptionMode +) +{ + PSMgmtObject pMgmt = (PSMgmtObject)pMgmtHandle; + + pMgmt->eEncryptionMode = eEncryptionMode; + if ((eEncryptionMode == WMAC_ENCRYPTION_WEPEnabled) || + (eEncryptionMode == WMAC_ENCRYPTION_TKIPEnabled) || + (eEncryptionMode == WMAC_ENCRYPTION_AESEnabled)) { + pMgmt->bPrivacyInvoked = true; + } else { + pMgmt->bPrivacyInvoked = false; + } +} + +bool +VNTWIFIbConfigPhyMode( + void *pMgmtHandle, + CARD_PHY_TYPE ePhyType +) +{ + PSMgmtObject pMgmt = (PSMgmtObject)pMgmtHandle; + + if ((ePhyType != PHY_TYPE_AUTO) && + (ePhyType != pMgmt->eCurrentPHYMode)) { + if (CARDbSetPhyParameter(pMgmt->pAdapter, ePhyType, 0, 0, NULL, NULL) == true) + pMgmt->eCurrentPHYMode = ePhyType; + else + return false; + } + pMgmt->eConfigPHYMode = ePhyType; + return true; +} + +void +VNTWIFIbGetConfigPhyMode( + void *pMgmtHandle, + void *pePhyType +) +{ + PSMgmtObject pMgmt = (PSMgmtObject)pMgmtHandle; + + if ((pMgmt != NULL) && (pePhyType != NULL)) + *(PCARD_PHY_TYPE)pePhyType = pMgmt->eConfigPHYMode; +} + +/*+ + * + * Description: + * Clear BSS List Database except current assoc BSS + * + * Parameters: + * In: + * pMgmtHandle - Management Object structure + * bLinkPass - Current Link status + * Out: + * + * Return Value: None. + * + -*/ + +/*+ + * + * Description: + * Query BSS List in management database + * + * Parameters: + * In: + * pMgmtHandle - Management Object structure + * Out: + * puBSSCount - BSS count + * pvFirstBSS - pointer to first BSS + * + * Return Value: None. + * + -*/ + +void +VNTWIFIvQueryBSSList(void *pMgmtHandle, unsigned int *puBSSCount, void **pvFirstBSS) +{ + unsigned int ii = 0; + PSMgmtObject pMgmt = (PSMgmtObject)pMgmtHandle; + PKnownBSS pBSS = NULL; + unsigned int uCount = 0; + + *pvFirstBSS = NULL; + + for (ii = 0; ii < MAX_BSS_NUM; ii++) { + pBSS = &(pMgmt->sBSSList[ii]); + if (!pBSS->bActive) + continue; + + if (*pvFirstBSS == NULL) + *pvFirstBSS = &(pMgmt->sBSSList[ii]); + + uCount++; + } + *puBSSCount = uCount; +} + +void +VNTWIFIvGetNextBSS( + void *pMgmtHandle, + void *pvCurrentBSS, + void **pvNextBSS +) +{ + PKnownBSS pBSS = (PKnownBSS) pvCurrentBSS; + PSMgmtObject pMgmt = (PSMgmtObject)pMgmtHandle; + + *pvNextBSS = NULL; + + while (*pvNextBSS == NULL) { + pBSS++; + if (pBSS > &(pMgmt->sBSSList[MAX_BSS_NUM])) + return; + + if (pBSS->bActive == true) { + *pvNextBSS = pBSS; + return; + } + } +} + +/*+ + * + * Description: + * Update Tx attemps, Tx failure counter in Node DB + * + * In: + * Out: + * none + * + * Return Value: none + * + -*/ +void +VNTWIFIvUpdateNodeTxCounter( + void *pMgmtHandle, + unsigned char *pbyDestAddress, + bool bTxOk, + unsigned short wRate, + unsigned char *pbyTxFailCount +) +{ + PSMgmtObject pMgmt = (PSMgmtObject)pMgmtHandle; + unsigned int uNodeIndex = 0; + unsigned int ii; + + if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) || + (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)) { + if (BSSDBbIsSTAInNodeDB(pMgmt, pbyDestAddress, &uNodeIndex) == false) + return; + } + + pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts++; + if (bTxOk) { + // transmit success, TxAttempts at least plus one + pMgmt->sNodeDBTable[uNodeIndex].uTxOk[MAX_RATE]++; + pMgmt->sNodeDBTable[uNodeIndex].uTxOk[wRate]++; + } else { + pMgmt->sNodeDBTable[uNodeIndex].uTxFailures++; + } + pMgmt->sNodeDBTable[uNodeIndex].uTxRetry += pbyTxFailCount[MAX_RATE]; + for (ii = 0; ii < MAX_RATE; ii++) + pMgmt->sNodeDBTable[uNodeIndex].uTxFail[ii] += pbyTxFailCount[ii]; + + return; +} + +void +VNTWIFIvGetTxRate( + void *pMgmtHandle, + unsigned char *pbyDestAddress, + unsigned short *pwTxDataRate, + unsigned char *pbyACKRate, + unsigned char *pbyCCKBasicRate, + unsigned char *pbyOFDMBasicRate +) +{ + PSMgmtObject pMgmt = (PSMgmtObject)pMgmtHandle; + unsigned int uNodeIndex = 0; + unsigned short wTxDataRate = RATE_1M; + unsigned char byACKRate = RATE_1M; + unsigned char byCCKBasicRate = RATE_1M; + unsigned char byOFDMBasicRate = RATE_24M; + PWLAN_IE_SUPP_RATES pSupportRateIEs = NULL; + PWLAN_IE_SUPP_RATES pExtSupportRateIEs = NULL; + + if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) || + (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)) { + // Adhoc Tx rate decided from node DB + if (BSSDBbIsSTAInNodeDB(pMgmt, pbyDestAddress, &uNodeIndex)) { + wTxDataRate = (pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate); + pSupportRateIEs = (PWLAN_IE_SUPP_RATES) (pMgmt->sNodeDBTable[uNodeIndex].abyCurrSuppRates); + pExtSupportRateIEs = (PWLAN_IE_SUPP_RATES) (pMgmt->sNodeDBTable[uNodeIndex].abyCurrExtSuppRates); + } else { + if (pMgmt->eCurrentPHYMode != PHY_TYPE_11A) + wTxDataRate = RATE_2M; + else + wTxDataRate = RATE_24M; + + pSupportRateIEs = (PWLAN_IE_SUPP_RATES) pMgmt->abyCurrSuppRates; + pExtSupportRateIEs = (PWLAN_IE_SUPP_RATES) pMgmt->abyCurrExtSuppRates; + } + } else { // Infrastructure: rate decided from AP Node, index = 0 + + wTxDataRate = (pMgmt->sNodeDBTable[0].wTxDataRate); +#ifdef PLICE_DEBUG + printk(KERN_DEBUG "GetTxRate:AP MAC is %pM,TxRate is %d\n", + pMgmt->sNodeDBTable[0].abyMACAddr, wTxDataRate); +#endif + + pSupportRateIEs = (PWLAN_IE_SUPP_RATES) pMgmt->abyCurrSuppRates; + pExtSupportRateIEs = (PWLAN_IE_SUPP_RATES) pMgmt->abyCurrExtSuppRates; + } + byACKRate = VNTWIFIbyGetACKTxRate((unsigned char) wTxDataRate, + pSupportRateIEs, + pExtSupportRateIEs +); + if (byACKRate > (unsigned char) wTxDataRate) + byACKRate = (unsigned char) wTxDataRate; + + byCCKBasicRate = VNTWIFIbyGetACKTxRate(RATE_11M, + pSupportRateIEs, + pExtSupportRateIEs +); + byOFDMBasicRate = VNTWIFIbyGetACKTxRate(RATE_54M, + pSupportRateIEs, + pExtSupportRateIEs +); + *pwTxDataRate = wTxDataRate; + *pbyACKRate = byACKRate; + *pbyCCKBasicRate = byCCKBasicRate; + *pbyOFDMBasicRate = byOFDMBasicRate; + return; +} + +unsigned char +VNTWIFIbyGetKeyCypher( + void *pMgmtHandle, + bool bGroupKey +) +{ + PSMgmtObject pMgmt = (PSMgmtObject)pMgmtHandle; + + if (bGroupKey) + return pMgmt->byCSSGK; + else + return pMgmt->byCSSPK; +} + +bool +VNTWIFIbSetPMKIDCache( + void *pMgmtObject, + unsigned long ulCount, + void *pPMKIDInfo +) +{ + PSMgmtObject pMgmt = (PSMgmtObject) pMgmtObject; + + if (ulCount > MAX_PMKID_CACHE) + return false; + + pMgmt->gsPMKIDCache.BSSIDInfoCount = ulCount; + memcpy(pMgmt->gsPMKIDCache.BSSIDInfo, pPMKIDInfo, (ulCount*sizeof(PMKIDInfo))); + return true; +} + +unsigned short +VNTWIFIwGetMaxSupportRate( + void *pMgmtObject +) +{ + unsigned short wRate = RATE_54M; + PSMgmtObject pMgmt = (PSMgmtObject) pMgmtObject; + + for (wRate = RATE_54M; wRate > RATE_1M; wRate--) { + if (pMgmt->sNodeDBTable[0].wSuppRate & (1<<wRate)) + return wRate; + } + + if (pMgmt->eCurrentPHYMode == PHY_TYPE_11A) + return RATE_6M; + else + return RATE_1M; +} + +void +VNTWIFIvSet11h( + void *pMgmtObject, + bool b11hEnable +) +{ + PSMgmtObject pMgmt = (PSMgmtObject) pMgmtObject; + + pMgmt->b11hEnable = b11hEnable; +} + +bool +VNTWIFIbMeasureReport( + void *pMgmtObject, + bool bEndOfReport, + void *pvMeasureEID, + unsigned char byReportMode, + unsigned char byBasicMap, + unsigned char byCCAFraction, + unsigned char *pbyRPIs +) +{ + PSMgmtObject pMgmt = (PSMgmtObject) pMgmtObject; + unsigned char *pbyCurrentEID = (unsigned char *)(pMgmt->pCurrMeasureEIDRep); + + if ((pvMeasureEID != NULL) && + (pMgmt->uLengthOfRepEIDs < (WLAN_A3FR_MAXLEN - sizeof(MEASEURE_REP) - sizeof(WLAN_80211HDR_A3) - 3)) +) { + pMgmt->pCurrMeasureEIDRep->byElementID = WLAN_EID_MEASURE_REP; + pMgmt->pCurrMeasureEIDRep->len = 3; + pMgmt->pCurrMeasureEIDRep->byToken = ((PWLAN_IE_MEASURE_REQ)pvMeasureEID)->byToken; + pMgmt->pCurrMeasureEIDRep->byMode = byReportMode; + pMgmt->pCurrMeasureEIDRep->byType = ((PWLAN_IE_MEASURE_REQ) pvMeasureEID)->byType; + switch (pMgmt->pCurrMeasureEIDRep->byType) { + case MEASURE_TYPE_BASIC: + pMgmt->pCurrMeasureEIDRep->len += sizeof(MEASEURE_REP_BASIC); + memcpy(&(pMgmt->pCurrMeasureEIDRep->sRep.sBasic), + &(((PWLAN_IE_MEASURE_REQ) pvMeasureEID)->sReq), + sizeof(MEASEURE_REQ)); + pMgmt->pCurrMeasureEIDRep->sRep.sBasic.byMap = byBasicMap; + break; + case MEASURE_TYPE_CCA: + pMgmt->pCurrMeasureEIDRep->len += sizeof(MEASEURE_REP_CCA); + memcpy(&(pMgmt->pCurrMeasureEIDRep->sRep.sCCA), + &(((PWLAN_IE_MEASURE_REQ) pvMeasureEID)->sReq), + sizeof(MEASEURE_REQ)); + pMgmt->pCurrMeasureEIDRep->sRep.sCCA.byCCABusyFraction = byCCAFraction; + break; + case MEASURE_TYPE_RPI: + pMgmt->pCurrMeasureEIDRep->len += sizeof(MEASEURE_REP_RPI); + memcpy(&(pMgmt->pCurrMeasureEIDRep->sRep.sRPI), + &(((PWLAN_IE_MEASURE_REQ) pvMeasureEID)->sReq), + sizeof(MEASEURE_REQ)); + memcpy(pMgmt->pCurrMeasureEIDRep->sRep.sRPI.abyRPIdensity, pbyRPIs, 8); + break; + default: + break; + } + pbyCurrentEID += (2 + pMgmt->pCurrMeasureEIDRep->len); + pMgmt->uLengthOfRepEIDs += (2 + pMgmt->pCurrMeasureEIDRep->len); + pMgmt->pCurrMeasureEIDRep = (PWLAN_IE_MEASURE_REP) pbyCurrentEID; + } + if (bEndOfReport) { + IEEE11hbMSRRepTx(pMgmt); + } + + return true; +} + +bool +VNTWIFIbChannelSwitch( + void *pMgmtObject, + unsigned char byNewChannel +) +{ + PSMgmtObject pMgmt = (PSMgmtObject) pMgmtObject; + + pMgmt->uCurrChannel = byNewChannel; + pMgmt->bSwitchChannel = false; + return true; +} |