- 根目录:
- drivers
- staging
- vt6655
- vntwifi.c
/*
* 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 int msglevel =MSG_LEVEL_DEBUG;
//static int msglevel =MSG_LEVEL_INFO;
/*--------------------- 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 == true) {
// 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 == true) {
return pMgmt->byCSSGK;
} else {
return pMgmt->byCSSPK;
}
}
/*
bool
VNTWIFIbInit(
void *pAdapterHandler,
void **pMgmtHandler
) {
PSMgmtObject pMgmt = NULL;
unsigned int ii;
pMgmt = (PSMgmtObject)kmalloc(sizeof(SMgmtObject), (int)GFP_ATOMIC);
if (pMgmt == NULL) {
*pMgmtHandler = NULL;
return false;
}
memset(pMgmt, 0, sizeof(SMgmtObject));
pMgmt->pAdapter = (void *) pAdapterHandler;
// should initial MAC address abyMACAddr
for (ii=0; ii<WLAN_BSSID_LEN; ii++) {
pMgmt->abyDesireBSSID[ii] = 0xFF;
}
pMgmt->pbyPSPacketPool = &pMgmt->byPSPacketPool[0];
pMgmt->pbyMgmtPacketPool = &pMgmt->byMgmtPacketPool[0];
pMgmt->byCSSPK = KEY_CTL_NONE;
pMgmt->byCSSGK = KEY_CTL_NONE;
pMgmt->wIBSSBeaconPeriod = DEFAULT_IBSS_BI;
pMgmt->cbFreeCmdQueue = CMD_Q_SIZE;
pMgmt->uCmdDequeueIdx = 0;
pMgmt->uCmdEnqueueIdx = 0;
pMgmt->eCommandState = WLAN_CMD_STATE_IDLE;
pMgmt->bCmdStop = false;
pMgmt->bCmdRunning = false;
*pMgmtHandler = pMgmt;
return true;
}
*/
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);
//spin_lock_irq(&pDevice->lock);
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 == true) {
IEEE11hbMSRRepTx(pMgmt);
}
//spin_unlock_irq(&pDevice->lock);
return true;
}
bool
VNTWIFIbChannelSwitch(
void *pMgmtObject,
unsigned char byNewChannel
)
{
PSMgmtObject pMgmt = (PSMgmtObject) pMgmtObject;
//spin_lock_irq(&pDevice->lock);
pMgmt->uCurrChannel = byNewChannel;
pMgmt->bSwitchChannel = false;
//spin_unlock_irq(&pDevice->lock);
return true;
}
/*
bool
VNTWIFIbRadarPresent(
void *pMgmtObject,
unsigned char byChannel
) {
PSMgmtObject pMgmt = (PSMgmtObject) pMgmtObject;
if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) &&
(byChannel == (unsigned char) pMgmt->uCurrChannel) &&
(pMgmt->bSwitchChannel != true) &&
(pMgmt->b11hEnable == true)) {
if (!compare_ether_addr(pMgmt->abyIBSSDFSOwner, CARDpGetCurrentAddress(pMgmt->pAdapter))) {
pMgmt->byNewChannel = CARDbyAutoChannelSelect(pMgmt->pAdapter,(unsigned char) pMgmt->uCurrChannel);
pMgmt->bSwitchChannel = true;
}
BEACONbSendBeacon(pMgmt);
CARDbChannelSwitch(pMgmt->pAdapter, 0, pMgmt->byNewChannel, 10);
}
return true;
}
*/