2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 * Purpose: export functions for vntwifi lib
28 * Author: Yiching Chen
43 /*--------------------- Static Definitions -------------------------*/
44 //static int msglevel =MSG_LEVEL_DEBUG;
45 //static int msglevel =MSG_LEVEL_INFO;
47 /*--------------------- Static Classes ----------------------------*/
49 /*--------------------- Static Variables --------------------------*/
51 /*--------------------- Static Functions --------------------------*/
53 /*--------------------- Export Variables --------------------------*/
55 /*--------------------- Export Functions --------------------------*/
64 * pMgmtHandle - pointer to management object
65 * eOPMode - Opreation Mode
75 WMAC_CONFIG_MODE eOPMode
78 PSMgmtObject pMgmt
= (PSMgmtObject
)pMgmtHandle
;
80 pMgmt
->eConfigMode
= eOPMode
;
91 * pMgmtHandle - pointer to management object
92 * wBeaconPeriod - Beacon Period
93 * wATIMWindow - ATIM window
94 * uChannel - channel number
102 VNTWIFIvSetIBSSParameter (
104 unsigned short wBeaconPeriod
,
105 unsigned short wATIMWindow
,
106 unsigned int uChannel
109 PSMgmtObject pMgmt
= (PSMgmtObject
)pMgmtHandle
;
111 pMgmt
->wIBSSBeaconPeriod
= wBeaconPeriod
;
112 pMgmt
->wIBSSATIMWindow
= wATIMWindow
;
113 pMgmt
->uIBSSChannel
= uChannel
;
123 * pMgmtHandle - pointer to management object
127 * Return Value: current SSID pointer.
131 VNTWIFIpGetCurrentSSID (
135 PSMgmtObject pMgmt
= (PSMgmtObject
)pMgmtHandle
;
136 return((PWLAN_IE_SSID
) pMgmt
->abyCurrSSID
);
142 * Get current link channel
146 * pMgmtHandle - pointer to management object
150 * Return Value: current Channel.
154 VNTWIFIpGetCurrentChannel (
158 PSMgmtObject pMgmt
= (PSMgmtObject
)pMgmtHandle
;
159 if (pMgmtHandle
!= NULL
) {
160 return (pMgmt
->uCurrChannel
);
168 * Get current Assoc ID
172 * pMgmtHandle - pointer to management object
176 * Return Value: current Assoc ID
184 PSMgmtObject pMgmt
= (PSMgmtObject
)pMgmtHandle
;
185 return(pMgmt
->wCurrAID
);
193 * This routine return max support rate of IES
202 * Return Value: max support rate
206 VNTWIFIbyGetMaxSupportRate (
207 PWLAN_IE_SUPP_RATES pSupportRateIEs
,
208 PWLAN_IE_SUPP_RATES pExtSupportRateIEs
211 unsigned char byMaxSupportRate
= RATE_1M
;
212 unsigned char bySupportRate
= RATE_1M
;
215 if (pSupportRateIEs
) {
216 for (ii
= 0; ii
< pSupportRateIEs
->len
; ii
++) {
217 bySupportRate
= DATARATEbyGetRateIdx(pSupportRateIEs
->abyRates
[ii
]);
218 if (bySupportRate
> byMaxSupportRate
) {
219 byMaxSupportRate
= bySupportRate
;
223 if (pExtSupportRateIEs
) {
224 for (ii
= 0; ii
< pExtSupportRateIEs
->len
; ii
++) {
225 bySupportRate
= DATARATEbyGetRateIdx(pExtSupportRateIEs
->abyRates
[ii
]);
226 if (bySupportRate
> byMaxSupportRate
) {
227 byMaxSupportRate
= bySupportRate
;
232 return byMaxSupportRate
;
238 * This routine return data rate of ACK packtet
248 * Return Value: max support rate
252 VNTWIFIbyGetACKTxRate (
253 unsigned char byRxDataRate
,
254 PWLAN_IE_SUPP_RATES pSupportRateIEs
,
255 PWLAN_IE_SUPP_RATES pExtSupportRateIEs
258 unsigned char byMaxAckRate
;
259 unsigned char byBasicRate
;
262 if (byRxDataRate
<= RATE_11M
) {
263 byMaxAckRate
= RATE_1M
;
265 // 24M is mandatory for 802.11a and 802.11g
266 byMaxAckRate
= RATE_24M
;
268 if (pSupportRateIEs
) {
269 for (ii
= 0; ii
< pSupportRateIEs
->len
; ii
++) {
270 if (pSupportRateIEs
->abyRates
[ii
] & 0x80) {
271 byBasicRate
= DATARATEbyGetRateIdx(pSupportRateIEs
->abyRates
[ii
]);
272 if ((byBasicRate
<= byRxDataRate
) &&
273 (byBasicRate
> byMaxAckRate
)) {
274 byMaxAckRate
= byBasicRate
;
279 if (pExtSupportRateIEs
) {
280 for (ii
= 0; ii
< pExtSupportRateIEs
->len
; ii
++) {
281 if (pExtSupportRateIEs
->abyRates
[ii
] & 0x80) {
282 byBasicRate
= DATARATEbyGetRateIdx(pExtSupportRateIEs
->abyRates
[ii
]);
283 if ((byBasicRate
<= byRxDataRate
) &&
284 (byBasicRate
> byMaxAckRate
)) {
285 byMaxAckRate
= byBasicRate
;
297 * Set Authentication Mode
301 * pMgmtHandle - pointer to management object
302 * eAuthMode - Authentication mode
310 VNTWIFIvSetAuthenticationMode (
312 WMAC_AUTHENTICATION_MODE eAuthMode
315 PSMgmtObject pMgmt
= (PSMgmtObject
)pMgmtHandle
;
317 pMgmt
->eAuthenMode
= eAuthMode
;
318 if ((eAuthMode
== WMAC_AUTH_SHAREKEY
) ||
319 (eAuthMode
== WMAC_AUTH_AUTO
)) {
320 pMgmt
->bShareKeyAlgorithm
= true;
322 pMgmt
->bShareKeyAlgorithm
= false;
329 * Set Encryption Mode
333 * pMgmtHandle - pointer to management object
334 * eAuthMode - Authentication mode
342 VNTWIFIvSetEncryptionMode (
344 WMAC_ENCRYPTION_MODE eEncryptionMode
347 PSMgmtObject pMgmt
= (PSMgmtObject
)pMgmtHandle
;
349 pMgmt
->eEncryptionMode
= eEncryptionMode
;
350 if ((eEncryptionMode
== WMAC_ENCRYPTION_WEPEnabled
) ||
351 (eEncryptionMode
== WMAC_ENCRYPTION_TKIPEnabled
) ||
352 (eEncryptionMode
== WMAC_ENCRYPTION_AESEnabled
) ) {
353 pMgmt
->bPrivacyInvoked
= true;
355 pMgmt
->bPrivacyInvoked
= false;
362 VNTWIFIbConfigPhyMode (
364 CARD_PHY_TYPE ePhyType
367 PSMgmtObject pMgmt
= (PSMgmtObject
)pMgmtHandle
;
369 if ((ePhyType
!= PHY_TYPE_AUTO
) &&
370 (ePhyType
!= pMgmt
->eCurrentPHYMode
)) {
371 if (CARDbSetPhyParameter(pMgmt
->pAdapter
, ePhyType
, 0, 0, NULL
, NULL
)==true) {
372 pMgmt
->eCurrentPHYMode
= ePhyType
;
377 pMgmt
->eConfigPHYMode
= ePhyType
;
383 VNTWIFIbGetConfigPhyMode (
388 PSMgmtObject pMgmt
= (PSMgmtObject
)pMgmtHandle
;
390 if ((pMgmt
!= NULL
) && (pePhyType
!= NULL
)) {
391 *(PCARD_PHY_TYPE
)pePhyType
= pMgmt
->eConfigPHYMode
;
398 * Clear BSS List Database except current assoc BSS
402 * pMgmtHandle - Management Object structure
403 * bLinkPass - Current Link status
406 * Return Value: None.
414 * Query BSS List in management database
418 * pMgmtHandle - Management Object structure
420 * puBSSCount - BSS count
421 * pvFirstBSS - pointer to first BSS
423 * Return Value: None.
428 VNTWIFIvQueryBSSList(void *pMgmtHandle
, unsigned int *puBSSCount
, void **pvFirstBSS
)
431 PSMgmtObject pMgmt
= (PSMgmtObject
)pMgmtHandle
;
432 PKnownBSS pBSS
= NULL
;
433 unsigned int uCount
= 0;
437 for (ii
= 0; ii
< MAX_BSS_NUM
; ii
++) {
438 pBSS
= &(pMgmt
->sBSSList
[ii
]);
439 if (!pBSS
->bActive
) {
442 if (*pvFirstBSS
== NULL
) {
443 *pvFirstBSS
= &(pMgmt
->sBSSList
[ii
]);
447 *puBSSCount
= uCount
;
460 PKnownBSS pBSS
= (PKnownBSS
) pvCurrentBSS
;
461 PSMgmtObject pMgmt
= (PSMgmtObject
)pMgmtHandle
;
465 while (*pvNextBSS
== NULL
) {
467 if (pBSS
> &(pMgmt
->sBSSList
[MAX_BSS_NUM
])) {
470 if (pBSS
->bActive
== true) {
484 * Update Tx attemps, Tx failure counter in Node DB
494 VNTWIFIvUpdateNodeTxCounter(
496 unsigned char *pbyDestAddress
,
498 unsigned short wRate
,
499 unsigned char *pbyTxFailCount
502 PSMgmtObject pMgmt
= (PSMgmtObject
)pMgmtHandle
;
503 unsigned int uNodeIndex
= 0;
506 if ((pMgmt
->eCurrMode
== WMAC_MODE_IBSS_STA
) ||
507 (pMgmt
->eCurrMode
== WMAC_MODE_ESS_AP
)) {
508 if (BSSDBbIsSTAInNodeDB(pMgmt
, pbyDestAddress
, &uNodeIndex
) == false) {
512 pMgmt
->sNodeDBTable
[uNodeIndex
].uTxAttempts
++;
514 // transmit success, TxAttempts at least plus one
515 pMgmt
->sNodeDBTable
[uNodeIndex
].uTxOk
[MAX_RATE
]++;
516 pMgmt
->sNodeDBTable
[uNodeIndex
].uTxOk
[wRate
]++;
518 pMgmt
->sNodeDBTable
[uNodeIndex
].uTxFailures
++;
520 pMgmt
->sNodeDBTable
[uNodeIndex
].uTxRetry
+= pbyTxFailCount
[MAX_RATE
];
521 for(ii
=0;ii
<MAX_RATE
;ii
++) {
522 pMgmt
->sNodeDBTable
[uNodeIndex
].uTxFail
[ii
] += pbyTxFailCount
[ii
];
531 unsigned char *pbyDestAddress
,
532 unsigned short *pwTxDataRate
,
533 unsigned char *pbyACKRate
,
534 unsigned char *pbyCCKBasicRate
,
535 unsigned char *pbyOFDMBasicRate
538 PSMgmtObject pMgmt
= (PSMgmtObject
)pMgmtHandle
;
539 unsigned int uNodeIndex
= 0;
540 unsigned short wTxDataRate
= RATE_1M
;
541 unsigned char byACKRate
= RATE_1M
;
542 unsigned char byCCKBasicRate
= RATE_1M
;
543 unsigned char byOFDMBasicRate
= RATE_24M
;
544 PWLAN_IE_SUPP_RATES pSupportRateIEs
= NULL
;
545 PWLAN_IE_SUPP_RATES pExtSupportRateIEs
= NULL
;
548 if ((pMgmt
->eCurrMode
== WMAC_MODE_IBSS_STA
) ||
549 (pMgmt
->eCurrMode
== WMAC_MODE_ESS_AP
)) {
550 // Adhoc Tx rate decided from node DB
551 if(BSSDBbIsSTAInNodeDB(pMgmt
, pbyDestAddress
, &uNodeIndex
)) {
552 wTxDataRate
= (pMgmt
->sNodeDBTable
[uNodeIndex
].wTxDataRate
);
553 pSupportRateIEs
= (PWLAN_IE_SUPP_RATES
) (pMgmt
->sNodeDBTable
[uNodeIndex
].abyCurrSuppRates
);
554 pExtSupportRateIEs
= (PWLAN_IE_SUPP_RATES
) (pMgmt
->sNodeDBTable
[uNodeIndex
].abyCurrExtSuppRates
);
556 if (pMgmt
->eCurrentPHYMode
!= PHY_TYPE_11A
) {
557 wTxDataRate
= RATE_2M
;
559 wTxDataRate
= RATE_24M
;
561 pSupportRateIEs
= (PWLAN_IE_SUPP_RATES
) pMgmt
->abyCurrSuppRates
;
562 pExtSupportRateIEs
= (PWLAN_IE_SUPP_RATES
) pMgmt
->abyCurrExtSuppRates
;
564 } else { // Infrastructure: rate decided from AP Node, index = 0
566 wTxDataRate
= (pMgmt
->sNodeDBTable
[0].wTxDataRate
);
568 printk(KERN_DEBUG
"GetTxRate:AP MAC is %pM,TxRate is %d\n",
569 pMgmt
->sNodeDBTable
[0].abyMACAddr
, wTxDataRate
);
573 pSupportRateIEs
= (PWLAN_IE_SUPP_RATES
) pMgmt
->abyCurrSuppRates
;
574 pExtSupportRateIEs
= (PWLAN_IE_SUPP_RATES
) pMgmt
->abyCurrExtSuppRates
;
576 byACKRate
= VNTWIFIbyGetACKTxRate( (unsigned char) wTxDataRate
,
580 if (byACKRate
> (unsigned char) wTxDataRate
) {
581 byACKRate
= (unsigned char) wTxDataRate
;
583 byCCKBasicRate
= VNTWIFIbyGetACKTxRate( RATE_11M
,
587 byOFDMBasicRate
= VNTWIFIbyGetACKTxRate(RATE_54M
,
591 *pwTxDataRate
= wTxDataRate
;
592 *pbyACKRate
= byACKRate
;
593 *pbyCCKBasicRate
= byCCKBasicRate
;
594 *pbyOFDMBasicRate
= byOFDMBasicRate
;
599 VNTWIFIbyGetKeyCypher(
604 PSMgmtObject pMgmt
= (PSMgmtObject
)pMgmtHandle
;
606 if (bGroupKey
== true) {
607 return (pMgmt
->byCSSGK
);
609 return (pMgmt
->byCSSPK
);
617 void *pAdapterHandler,
622 PSMgmtObject pMgmt = NULL;
626 pMgmt = (PSMgmtObject)kmalloc(sizeof(SMgmtObject), (int)GFP_ATOMIC);
628 *pMgmtHandler = NULL;
632 memset(pMgmt, 0, sizeof(SMgmtObject));
633 pMgmt->pAdapter = (void *) pAdapterHandler;
635 // should initial MAC address abyMACAddr
636 for(ii=0;ii<WLAN_BSSID_LEN;ii++) {
637 pMgmt->abyDesireBSSID[ii] = 0xFF;
639 pMgmt->pbyPSPacketPool = &pMgmt->byPSPacketPool[0];
640 pMgmt->pbyMgmtPacketPool = &pMgmt->byMgmtPacketPool[0];
641 pMgmt->byCSSPK = KEY_CTL_NONE;
642 pMgmt->byCSSGK = KEY_CTL_NONE;
643 pMgmt->wIBSSBeaconPeriod = DEFAULT_IBSS_BI;
645 pMgmt->cbFreeCmdQueue = CMD_Q_SIZE;
646 pMgmt->uCmdDequeueIdx = 0;
647 pMgmt->uCmdEnqueueIdx = 0;
648 pMgmt->eCommandState = WLAN_CMD_STATE_IDLE;
649 pMgmt->bCmdStop = false;
650 pMgmt->bCmdRunning = false;
652 *pMgmtHandler = pMgmt;
660 VNTWIFIbSetPMKIDCache (
662 unsigned long ulCount
,
666 PSMgmtObject pMgmt
= (PSMgmtObject
) pMgmtObject
;
668 if (ulCount
> MAX_PMKID_CACHE
) {
671 pMgmt
->gsPMKIDCache
.BSSIDInfoCount
= ulCount
;
672 memcpy(pMgmt
->gsPMKIDCache
.BSSIDInfo
, pPMKIDInfo
, (ulCount
*sizeof(PMKIDInfo
)));
679 VNTWIFIwGetMaxSupportRate(
683 unsigned short wRate
= RATE_54M
;
684 PSMgmtObject pMgmt
= (PSMgmtObject
) pMgmtObject
;
686 for(wRate
= RATE_54M
; wRate
> RATE_1M
; wRate
--) {
687 if (pMgmt
->sNodeDBTable
[0].wSuppRate
& (1<<wRate
)) {
691 if (pMgmt
->eCurrentPHYMode
== PHY_TYPE_11A
) {
705 PSMgmtObject pMgmt
= (PSMgmtObject
) pMgmtObject
;
707 pMgmt
->b11hEnable
= b11hEnable
;
711 VNTWIFIbMeasureReport(
715 unsigned char byReportMode
,
716 unsigned char byBasicMap
,
717 unsigned char byCCAFraction
,
718 unsigned char *pbyRPIs
721 PSMgmtObject pMgmt
= (PSMgmtObject
) pMgmtObject
;
722 unsigned char *pbyCurrentEID
= (unsigned char *) (pMgmt
->pCurrMeasureEIDRep
);
724 //spin_lock_irq(&pDevice->lock);
725 if ((pvMeasureEID
!= NULL
) &&
726 (pMgmt
->uLengthOfRepEIDs
< (WLAN_A3FR_MAXLEN
- sizeof(MEASEURE_REP
) - sizeof(WLAN_80211HDR_A3
) - 3))
728 pMgmt
->pCurrMeasureEIDRep
->byElementID
= WLAN_EID_MEASURE_REP
;
729 pMgmt
->pCurrMeasureEIDRep
->len
= 3;
730 pMgmt
->pCurrMeasureEIDRep
->byToken
= ((PWLAN_IE_MEASURE_REQ
) pvMeasureEID
)->byToken
;
731 pMgmt
->pCurrMeasureEIDRep
->byMode
= byReportMode
;
732 pMgmt
->pCurrMeasureEIDRep
->byType
= ((PWLAN_IE_MEASURE_REQ
) pvMeasureEID
)->byType
;
733 switch (pMgmt
->pCurrMeasureEIDRep
->byType
) {
734 case MEASURE_TYPE_BASIC
:
735 pMgmt
->pCurrMeasureEIDRep
->len
+= sizeof(MEASEURE_REP_BASIC
);
736 memcpy( &(pMgmt
->pCurrMeasureEIDRep
->sRep
.sBasic
),
737 &(((PWLAN_IE_MEASURE_REQ
) pvMeasureEID
)->sReq
),
738 sizeof(MEASEURE_REQ
));
739 pMgmt
->pCurrMeasureEIDRep
->sRep
.sBasic
.byMap
= byBasicMap
;
741 case MEASURE_TYPE_CCA
:
742 pMgmt
->pCurrMeasureEIDRep
->len
+= sizeof(MEASEURE_REP_CCA
);
743 memcpy( &(pMgmt
->pCurrMeasureEIDRep
->sRep
.sCCA
),
744 &(((PWLAN_IE_MEASURE_REQ
) pvMeasureEID
)->sReq
),
745 sizeof(MEASEURE_REQ
));
746 pMgmt
->pCurrMeasureEIDRep
->sRep
.sCCA
.byCCABusyFraction
= byCCAFraction
;
748 case MEASURE_TYPE_RPI
:
749 pMgmt
->pCurrMeasureEIDRep
->len
+= sizeof(MEASEURE_REP_RPI
);
750 memcpy( &(pMgmt
->pCurrMeasureEIDRep
->sRep
.sRPI
),
751 &(((PWLAN_IE_MEASURE_REQ
) pvMeasureEID
)->sReq
),
752 sizeof(MEASEURE_REQ
));
753 memcpy(pMgmt
->pCurrMeasureEIDRep
->sRep
.sRPI
.abyRPIdensity
, pbyRPIs
, 8);
758 pbyCurrentEID
+= (2 + pMgmt
->pCurrMeasureEIDRep
->len
);
759 pMgmt
->uLengthOfRepEIDs
+= (2 + pMgmt
->pCurrMeasureEIDRep
->len
);
760 pMgmt
->pCurrMeasureEIDRep
= (PWLAN_IE_MEASURE_REP
) pbyCurrentEID
;
762 if (bEndOfReport
== true) {
763 IEEE11hbMSRRepTx(pMgmt
);
765 //spin_unlock_irq(&pDevice->lock);
771 VNTWIFIbChannelSwitch(
773 unsigned char byNewChannel
776 PSMgmtObject pMgmt
= (PSMgmtObject
) pMgmtObject
;
778 //spin_lock_irq(&pDevice->lock);
779 pMgmt
->uCurrChannel
= byNewChannel
;
780 pMgmt
->bSwitchChannel
= false;
781 //spin_unlock_irq(&pDevice->lock);
787 VNTWIFIbRadarPresent(
789 unsigned char byChannel
792 PSMgmtObject pMgmt = (PSMgmtObject) pMgmtObject;
793 if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) &&
794 (byChannel == (unsigned char) pMgmt->uCurrChannel) &&
795 (pMgmt->bSwitchChannel != true) &&
796 (pMgmt->b11hEnable == true)) {
797 if (!compare_ether_addr(pMgmt->abyIBSSDFSOwner, CARDpGetCurrentAddress(pMgmt->pAdapter))) {
798 pMgmt->byNewChannel = CARDbyAutoChannelSelect(pMgmt->pAdapter,(unsigned char) pMgmt->uCurrChannel);
799 pMgmt->bSwitchChannel = true;
801 BEACONbSendBeacon(pMgmt);
802 CARDbChannelSwitch(pMgmt->pAdapter, 0, pMgmt->byNewChannel, 10);