/* * 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: wmgr.c * * Purpose: Handles the 802.11 management functions * * Author: Lyndon Chen * * Date: May 8, 2002 * * Functions: * nsMgrObjectInitial - Initialize Management Objet data structure * vMgrObjectReset - Reset Management Objet data structure * vMgrAssocBeginSta - Start associate function * vMgrReAssocBeginSta - Start reassociate function * vMgrDisassocBeginSta - Start disassociate function * s_vMgrRxAssocRequest - Handle Rcv associate_request * s_vMgrRxAssocResponse - Handle Rcv associate_response * vMrgAuthenBeginSta - Start authentication function * vMgrDeAuthenDeginSta - Start deauthentication function * s_vMgrRxAuthentication - Handle Rcv authentication * s_vMgrRxAuthenSequence_1 - Handle Rcv authentication sequence 1 * s_vMgrRxAuthenSequence_2 - Handle Rcv authentication sequence 2 * s_vMgrRxAuthenSequence_3 - Handle Rcv authentication sequence 3 * s_vMgrRxAuthenSequence_4 - Handle Rcv authentication sequence 4 * s_vMgrRxDisassociation - Handle Rcv disassociation * s_vMgrRxBeacon - Handle Rcv Beacon * vMgrCreateOwnIBSS - Create ad_hoc IBSS or AP BSS * vMgrJoinBSSBegin - Join BSS function * s_vMgrSynchBSS - Synch & adopt BSS parameters * s_MgrMakeBeacon - Create Baecon frame * s_MgrMakeProbeResponse - Create Probe Response frame * s_MgrMakeAssocRequest - Create Associate Request frame * s_MgrMakeReAssocRequest - Create ReAssociate Request frame * s_vMgrRxProbeResponse - Handle Rcv probe_response * s_vMrgRxProbeRequest - Handle Rcv probe_request * bMgrPrepareBeaconToSend - Prepare Beacon frame * s_vMgrLogStatus - Log 802.11 Status * vMgrRxManagePacket - Rcv management frame dispatch function * s_vMgrFormatTIM- Assember TIM field of beacon * vMgrTimerInit- Initial 1-sec and command call back funtions * * Revision History: * */ #include "tmacro.h" #include "desc.h" #include "device.h" #include "card.h" #include "80211hdr.h" #include "80211mgr.h" #include "wmgr.h" #include "wcmd.h" #include "mac.h" #include "bssdb.h" #include "power.h" #include "datarate.h" #include "baseband.h" #include "rxtx.h" #include "wpa.h" #include "rf.h" #include "iowpa.h" #include "control.h" #include "rndis.h" /*--------------------- Static Definitions -------------------------*/ /*--------------------- Static Classes ----------------------------*/ /*--------------------- Static Variables --------------------------*/ static int msglevel =MSG_LEVEL_INFO; //static int msglevel =MSG_LEVEL_DEBUG; /*--------------------- Static Functions --------------------------*/ static BOOL ChannelExceedZoneType( PSDevice pDevice, BYTE byCurrChannel ); // Association/diassociation functions static PSTxMgmtPacket s_MgrMakeAssocRequest( PSDevice pDevice, PSMgmtObject pMgmt, PBYTE pDAddr, WORD wCurrCapInfo, WORD wListenInterval, PWLAN_IE_SSID pCurrSSID, PWLAN_IE_SUPP_RATES pCurrRates, PWLAN_IE_SUPP_RATES pCurrExtSuppRates ); static void s_vMgrRxAssocRequest( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket, unsigned int uNodeIndex ); static PSTxMgmtPacket s_MgrMakeReAssocRequest( PSDevice pDevice, PSMgmtObject pMgmt, PBYTE pDAddr, WORD wCurrCapInfo, WORD wListenInterval, PWLAN_IE_SSID pCurrSSID, PWLAN_IE_SUPP_RATES pCurrRates, PWLAN_IE_SUPP_RATES pCurrExtSuppRates ); static void s_vMgrRxAssocResponse( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket, BOOL bReAssocType ); static void s_vMgrRxDisassociation( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket ); // Authentication/deauthen functions static void s_vMgrRxAuthenSequence_1( PSDevice pDevice, PSMgmtObject pMgmt, PWLAN_FR_AUTHEN pFrame ); static void s_vMgrRxAuthenSequence_2( PSDevice pDevice, PSMgmtObject pMgmt, PWLAN_FR_AUTHEN pFrame ); static void s_vMgrRxAuthenSequence_3( PSDevice pDevice, PSMgmtObject pMgmt, PWLAN_FR_AUTHEN pFrame ); static void s_vMgrRxAuthenSequence_4( PSDevice pDevice, PSMgmtObject pMgmt, PWLAN_FR_AUTHEN pFrame ); static void s_vMgrRxAuthentication( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket ); static void s_vMgrRxDeauthentication( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket ); // Scan functions // probe request/response functions static void s_vMgrRxProbeRequest( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket ); static void s_vMgrRxProbeResponse( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket ); // beacon functions static void s_vMgrRxBeacon( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket, BOOL bInScan ); static void s_vMgrFormatTIM( PSMgmtObject pMgmt, PWLAN_IE_TIM pTIM ); static PSTxMgmtPacket s_MgrMakeBeacon( PSDevice pDevice, PSMgmtObject pMgmt, WORD wCurrCapInfo, WORD wCurrBeaconPeriod, unsigned int uCurrChannel, WORD wCurrATIMWinodw, PWLAN_IE_SSID pCurrSSID, PBYTE pCurrBSSID, PWLAN_IE_SUPP_RATES pCurrSuppRates, PWLAN_IE_SUPP_RATES pCurrExtSuppRates ); // Association response static PSTxMgmtPacket s_MgrMakeAssocResponse( PSDevice pDevice, PSMgmtObject pMgmt, WORD wCurrCapInfo, WORD wAssocStatus, WORD wAssocAID, PBYTE pDstAddr, PWLAN_IE_SUPP_RATES pCurrSuppRates, PWLAN_IE_SUPP_RATES pCurrExtSuppRates ); // ReAssociation response static PSTxMgmtPacket s_MgrMakeReAssocResponse( PSDevice pDevice, PSMgmtObject pMgmt, WORD wCurrCapInfo, WORD wAssocStatus, WORD wAssocAID, PBYTE pDstAddr, PWLAN_IE_SUPP_RATES pCurrSuppRates, PWLAN_IE_SUPP_RATES pCurrExtSuppRates ); // Probe response static PSTxMgmtPacket s_MgrMakeProbeResponse( PSDevice pDevice, PSMgmtObject pMgmt, WORD wCurrCapInfo, WORD wCurrBeaconPeriod, unsigned int uCurrChannel, WORD wCurrATIMWinodw, PBYTE pDstAddr, PWLAN_IE_SSID pCurrSSID, PBYTE pCurrBSSID, PWLAN_IE_SUPP_RATES pCurrSuppRates, PWLAN_IE_SUPP_RATES pCurrExtSuppRates, BYTE byPHYType ); // received status static void s_vMgrLogStatus( PSMgmtObject pMgmt, WORD wStatus ); static void s_vMgrSynchBSS ( PSDevice pDevice, unsigned int uBSSMode, PKnownBSS pCurr, PCMD_STATUS pStatus ); static BOOL s_bCipherMatch ( PKnownBSS pBSSNode, NDIS_802_11_ENCRYPTION_STATUS EncStatus, PBYTE pbyCCSPK, PBYTE pbyCCSGK ); static void Encyption_Rebuild( PSDevice pDevice, PKnownBSS pCurr ); /*--------------------- Export Variables --------------------------*/ /*--------------------- Export Functions --------------------------*/ /*+ * * Routine Description: * Allocates and initializes the Management object. * * Return Value: * Ndis_staus. * -*/ void vMgrObjectInit(void *hDeviceContext) { PSDevice pDevice = (PSDevice)hDeviceContext; PSMgmtObject pMgmt = &(pDevice->sMgmtObj); int ii; pMgmt->pbyPSPacketPool = &pMgmt->byPSPacketPool[0]; pMgmt->pbyMgmtPacketPool = &pMgmt->byMgmtPacketPool[0]; pMgmt->uCurrChannel = pDevice->uChannel; for (ii = 0; ii < WLAN_BSSID_LEN; ii++) pMgmt->abyDesireBSSID[ii] = 0xFF; pMgmt->sAssocInfo.AssocInfo.Length = sizeof(NDIS_802_11_ASSOCIATION_INFORMATION); //memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN +1); pMgmt->byCSSPK = KEY_CTL_NONE; pMgmt->byCSSGK = KEY_CTL_NONE; pMgmt->wIBSSBeaconPeriod = DEFAULT_IBSS_BI; BSSvClearBSSList((void *) pDevice, FALSE); init_timer(&pMgmt->sTimerSecondCallback); pMgmt->sTimerSecondCallback.data = (unsigned long)pDevice; pMgmt->sTimerSecondCallback.function = (TimerFunction)BSSvSecondCallBack; pMgmt->sTimerSecondCallback.expires = RUN_AT(HZ); init_timer(&pDevice->sTimerCommand); pDevice->sTimerCommand.data = (unsigned long)pDevice; pDevice->sTimerCommand.function = (TimerFunction)vRunCommand; pDevice->sTimerCommand.expires = RUN_AT(HZ); init_timer(&pDevice->sTimerTxData); pDevice->sTimerTxData.data = (unsigned long)pDevice; pDevice->sTimerTxData.function = (TimerFunction)BSSvSecondTxData; pDevice->sTimerTxData.expires = RUN_AT(10*HZ); //10s callback pDevice->fTxDataInSleep = FALSE; pDevice->IsTxDataTrigger = FALSE; pDevice->nTxDataTimeCout = 0; pDevice->cbFreeCmdQueue = CMD_Q_SIZE; pDevice->uCmdDequeueIdx = 0; pDevice->uCmdEnqueueIdx = 0; pDevice->eCommandState = WLAN_CMD_IDLE; pDevice->bCmdRunning = FALSE; pDevice->bCmdClear = FALSE; return; } /*+ * * Routine Description: * Start the station association procedure. Namely, send an * association request frame to the AP. * * Return Value: * None. * -*/ void vMgrAssocBeginSta(void *hDeviceContext, PSMgmtObject pMgmt, PCMD_STATUS pStatus) { PSDevice pDevice = (PSDevice)hDeviceContext; PSTxMgmtPacket pTxPacket; pMgmt->wCurrCapInfo = 0; pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_ESS(1); if (pDevice->bEncryptionEnable) { pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_PRIVACY(1); } // always allow receive short preamble //if (pDevice->byPreambleType == 1) { // pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_SHORTPREAMBLE(1); //} pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_SHORTPREAMBLE(1); if (pMgmt->wListenInterval == 0) pMgmt->wListenInterval = 1; // at least one. // ERP Phy (802.11g) should support short preamble. if (pMgmt->eCurrentPHYMode == PHY_TYPE_11G) { pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_SHORTPREAMBLE(1); if (pDevice->bShortSlotTime == TRUE) pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_SHORTSLOTTIME(1); } else if (pMgmt->eCurrentPHYMode == PHY_TYPE_11B) { if (pDevice->byPreambleType == 1) { pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_SHORTPREAMBLE(1); } } if (pMgmt->b11hEnable == TRUE) pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_SPECTRUMMNG(1); // build an assocreq frame and send it pTxPacket = s_MgrMakeAssocRequest ( pDevice, pMgmt, pMgmt->abyCurrBSSID, pMgmt->wCurrCapInfo, pMgmt->wListenInterval, (PWLAN_IE_SSID)pMgmt->abyCurrSSID, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates ); if (pTxPacket != NULL ){ // send the frame *pStatus = csMgmt_xmit(pDevice, pTxPacket); if (*pStatus == CMD_STATUS_PENDING) { pMgmt->eCurrState = WMAC_STATE_ASSOCPENDING; *pStatus = CMD_STATUS_SUCCESS; } } else *pStatus = CMD_STATUS_RESOURCES; return ; } /*+ * * Routine Description: * Start the station re-association procedure. * * Return Value: * None. * -*/ void vMgrReAssocBeginSta(void *hDeviceContext, PSMgmtObject pMgmt, PCMD_STATUS pStatus) { PSDevice pDevice = (PSDevice)hDeviceContext; PSTxMgmtPacket pTxPacket; pMgmt->wCurrCapInfo = 0; pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_ESS(1); if (pDevice->bEncryptionEnable) { pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_PRIVACY(1); } //if (pDevice->byPreambleType == 1) { // pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_SHORTPREAMBLE(1); //} pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_SHORTPREAMBLE(1); if (pMgmt->wListenInterval == 0) pMgmt->wListenInterval = 1; // at least one. // ERP Phy (802.11g) should support short preamble. if (pMgmt->eCurrentPHYMode == PHY_TYPE_11G) { pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_SHORTPREAMBLE(1); if (pDevice->bShortSlotTime == TRUE) pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_SHORTSLOTTIME(1); } else if (pMgmt->eCurrentPHYMode == PHY_TYPE_11B) { if (pDevice->byPreambleType == 1) { pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_SHORTPREAMBLE(1); } } if (pMgmt->b11hEnable == TRUE) pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_SPECTRUMMNG(1); pTxPacket = s_MgrMakeReAssocRequest ( pDevice, pMgmt, pMgmt->abyCurrBSSID, pMgmt->wCurrCapInfo, pMgmt->wListenInterval, (PWLAN_IE_SSID)pMgmt->abyCurrSSID, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates ); if (pTxPacket != NULL ){ // send the frame *pStatus = csMgmt_xmit(pDevice, pTxPacket); if (*pStatus != CMD_STATUS_PENDING) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt:Reassociation tx failed.\n"); } else { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt:Reassociation tx sending.\n"); } } return ; } /*+ * * Routine Description: * Send an dis-association request frame to the AP. * * Return Value: * None. * -*/ void vMgrDisassocBeginSta(void *hDeviceContext, PSMgmtObject pMgmt, PBYTE abyDestAddress, WORD wReason, PCMD_STATUS pStatus) { PSDevice pDevice = (PSDevice)hDeviceContext; PSTxMgmtPacket pTxPacket = NULL; WLAN_FR_DISASSOC sFrame; pTxPacket = (PSTxMgmtPacket)pMgmt->pbyMgmtPacketPool; memset(pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_DISASSOC_FR_MAXLEN); pTxPacket->p80211Header = (PUWLAN_80211HDR)((PBYTE)pTxPacket + sizeof(STxMgmtPacket)); // Setup the sFrame structure sFrame.pBuf = (PBYTE)pTxPacket->p80211Header; sFrame.len = WLAN_DISASSOC_FR_MAXLEN; // format fixed field frame structure vMgrEncodeDisassociation(&sFrame); // Setup the header sFrame.pHdr->sA3.wFrameCtl = cpu_to_le16( ( WLAN_SET_FC_FTYPE(WLAN_TYPE_MGR) | WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_DISASSOC) )); memcpy( sFrame.pHdr->sA3.abyAddr1, abyDestAddress, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN); // Set reason code *(sFrame.pwReason) = cpu_to_le16(wReason); pTxPacket->cbMPDULen = sFrame.len; pTxPacket->cbPayloadLen = sFrame.len - WLAN_HDR_ADDR3_LEN; // send the frame *pStatus = csMgmt_xmit(pDevice, pTxPacket); if (*pStatus == CMD_STATUS_PENDING) { pMgmt->eCurrState = WMAC_STATE_IDLE; *pStatus = CMD_STATUS_SUCCESS; } return; } /*+ * * Routine Description:(AP function) * Handle incoming station association request frames. * * Return Value: * None. * -*/ static void s_vMgrRxAssocRequest( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket, unsigned int uNodeIndex ) { WLAN_FR_ASSOCREQ sFrame; CMD_STATUS Status; PSTxMgmtPacket pTxPacket; WORD wAssocStatus = 0; WORD wAssocAID = 0; unsigned int uRateLen = WLAN_RATES_MAXLEN; BYTE abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1]; BYTE abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1]; if (pMgmt->eCurrMode != WMAC_MODE_ESS_AP) return; // node index not found if (!uNodeIndex) return; //check if node is authenticated //decode the frame memset(&sFrame, 0, sizeof(WLAN_FR_ASSOCREQ)); memset(abyCurrSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1); memset(abyCurrExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1); sFrame.len = pRxPacket->cbMPDULen; sFrame.pBuf = (PBYTE)pRxPacket->p80211Header; vMgrDecodeAssocRequest(&sFrame); if (pMgmt->sNodeDBTable[uNodeIndex].eNodeState >= NODE_AUTH) { pMgmt->sNodeDBTable[uNodeIndex].eNodeState = NODE_ASSOC; pMgmt->sNodeDBTable[uNodeIndex].wCapInfo = cpu_to_le16(*sFrame.pwCapInfo); pMgmt->sNodeDBTable[uNodeIndex].wListenInterval = cpu_to_le16(*sFrame.pwListenInterval); pMgmt->sNodeDBTable[uNodeIndex].bPSEnable = WLAN_GET_FC_PWRMGT(sFrame.pHdr->sA3.wFrameCtl) ? TRUE : FALSE; // Todo: check sta basic rate, if ap can't support, set status code if (pDevice->byBBType == BB_TYPE_11B) { uRateLen = WLAN_RATES_MAXLEN_11B; } abyCurrSuppRates[0] = WLAN_EID_SUPP_RATES; abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)sFrame.pSuppRates, (PWLAN_IE_SUPP_RATES)abyCurrSuppRates, uRateLen); abyCurrExtSuppRates[0] = WLAN_EID_EXTSUPP_RATES; if (pDevice->byBBType == BB_TYPE_11G) { abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)sFrame.pExtSuppRates, (PWLAN_IE_SUPP_RATES)abyCurrExtSuppRates, uRateLen); } else { abyCurrExtSuppRates[1] = 0; } RATEvParseMaxRate((void *)pDevice, (PWLAN_IE_SUPP_RATES)abyCurrSuppRates, (PWLAN_IE_SUPP_RATES)abyCurrExtSuppRates, FALSE, // do not change our basic rate &(pMgmt->sNodeDBTable[uNodeIndex].wMaxBasicRate), &(pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate), &(pMgmt->sNodeDBTable[uNodeIndex].wSuppRate), &(pMgmt->sNodeDBTable[uNodeIndex].byTopCCKBasicRate), &(pMgmt->sNodeDBTable[uNodeIndex].byTopOFDMBasicRate) ); // set max tx rate pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate = pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate; // Todo: check sta preamble, if ap can't support, set status code pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble = WLAN_GET_CAP_INFO_SHORTPREAMBLE(*sFrame.pwCapInfo); pMgmt->sNodeDBTable[uNodeIndex].bShortSlotTime = WLAN_GET_CAP_INFO_SHORTSLOTTIME(*sFrame.pwCapInfo); pMgmt->sNodeDBTable[uNodeIndex].wAID = (WORD)uNodeIndex; wAssocStatus = WLAN_MGMT_STATUS_SUCCESS; wAssocAID = (WORD)uNodeIndex; // check if ERP support if(pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate > RATE_11M) pMgmt->sNodeDBTable[uNodeIndex].bERPExist = TRUE; if (pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate <= RATE_11M) { // B only STA join pDevice->bProtectMode = TRUE; pDevice->bNonERPPresent = TRUE; } if (pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble == FALSE) { pDevice->bBarkerPreambleMd = TRUE; } DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "Associate AID= %d \n", wAssocAID); DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "MAC=%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X \n", sFrame.pHdr->sA3.abyAddr2[0], sFrame.pHdr->sA3.abyAddr2[1], sFrame.pHdr->sA3.abyAddr2[2], sFrame.pHdr->sA3.abyAddr2[3], sFrame.pHdr->sA3.abyAddr2[4], sFrame.pHdr->sA3.abyAddr2[5] ) ; DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "Max Support rate = %d \n", pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate); } // assoc response reply.. pTxPacket = s_MgrMakeAssocResponse ( pDevice, pMgmt, pMgmt->wCurrCapInfo, wAssocStatus, wAssocAID, sFrame.pHdr->sA3.abyAddr2, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates ); if (pTxPacket != NULL ){ if (pDevice->bEnableHostapd) { return; } /* send the frame */ Status = csMgmt_xmit(pDevice, pTxPacket); if (Status != CMD_STATUS_PENDING) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt:Assoc response tx failed\n"); } else { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt:Assoc response tx sending..\n"); } } return; } /*+ * * Description:(AP function) * Handle incoming station re-association request frames. * * Parameters: * In: * pMgmt - Management Object structure * pRxPacket - Received Packet * Out: * none * * Return Value: None. * -*/ static void s_vMgrRxReAssocRequest( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket, unsigned int uNodeIndex ) { WLAN_FR_REASSOCREQ sFrame; CMD_STATUS Status; PSTxMgmtPacket pTxPacket; WORD wAssocStatus = 0; WORD wAssocAID = 0; unsigned int uRateLen = WLAN_RATES_MAXLEN; BYTE abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1]; BYTE abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1]; if (pMgmt->eCurrMode != WMAC_MODE_ESS_AP) return; // node index not found if (!uNodeIndex) return; //check if node is authenticated //decode the frame memset(&sFrame, 0, sizeof(WLAN_FR_REASSOCREQ)); sFrame.len = pRxPacket->cbMPDULen; sFrame.pBuf = (PBYTE)pRxPacket->p80211Header; vMgrDecodeReassocRequest(&sFrame); if (pMgmt->sNodeDBTable[uNodeIndex].eNodeState >= NODE_AUTH) { pMgmt->sNodeDBTable[uNodeIndex].eNodeState = NODE_ASSOC; pMgmt->sNodeDBTable[uNodeIndex].wCapInfo = cpu_to_le16(*sFrame.pwCapInfo); pMgmt->sNodeDBTable[uNodeIndex].wListenInterval = cpu_to_le16(*sFrame.pwListenInterval); pMgmt->sNodeDBTable[uNodeIndex].bPSEnable = WLAN_GET_FC_PWRMGT(sFrame.pHdr->sA3.wFrameCtl) ? TRUE : FALSE; // Todo: check sta basic rate, if ap can't support, set status code if (pDevice->byBBType == BB_TYPE_11B) { uRateLen = WLAN_RATES_MAXLEN_11B; } abyCurrSuppRates[0] = WLAN_EID_SUPP_RATES; abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)sFrame.pSuppRates, (PWLAN_IE_SUPP_RATES)abyCurrSuppRates, uRateLen); abyCurrExtSuppRates[0] = WLAN_EID_EXTSUPP_RATES; if (pDevice->byBBType == BB_TYPE_11G) { abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)sFrame.pExtSuppRates, (PWLAN_IE_SUPP_RATES)abyCurrExtSuppRates, uRateLen); } else { abyCurrExtSuppRates[1] = 0; } RATEvParseMaxRate((void *)pDevice, (PWLAN_IE_SUPP_RATES)abyCurrSuppRates, (PWLAN_IE_SUPP_RATES)abyCurrExtSuppRates, FALSE, // do not change our basic rate &(pMgmt->sNodeDBTable[uNodeIndex].wMaxBasicRate), &(pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate), &(pMgmt->sNodeDBTable[uNodeIndex].wSuppRate), &(pMgmt->sNodeDBTable[uNodeIndex].byTopCCKBasicRate), &(pMgmt->sNodeDBTable[uNodeIndex].byTopOFDMBasicRate) ); // set max tx rate pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate = pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate; // Todo: check sta preamble, if ap can't support, set status code pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble = WLAN_GET_CAP_INFO_SHORTPREAMBLE(*sFrame.pwCapInfo); pMgmt->sNodeDBTable[uNodeIndex].bShortSlotTime = WLAN_GET_CAP_INFO_SHORTSLOTTIME(*sFrame.pwCapInfo); pMgmt->sNodeDBTable[uNodeIndex].wAID = (WORD)uNodeIndex; wAssocStatus = WLAN_MGMT_STATUS_SUCCESS; wAssocAID = (WORD)uNodeIndex; // if suppurt ERP if(pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate > RATE_11M) pMgmt->sNodeDBTable[uNodeIndex].bERPExist = TRUE; if (pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate <= RATE_11M) { // B only STA join pDevice->bProtectMode = TRUE; pDevice->bNonERPPresent = TRUE; } if (pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble == FALSE) { pDevice->bBarkerPreambleMd = TRUE; } DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "Rx ReAssociate AID= %d \n", wAssocAID); DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "MAC=%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X \n", sFrame.pHdr->sA3.abyAddr2[0], sFrame.pHdr->sA3.abyAddr2[1], sFrame.pHdr->sA3.abyAddr2[2], sFrame.pHdr->sA3.abyAddr2[3], sFrame.pHdr->sA3.abyAddr2[4], sFrame.pHdr->sA3.abyAddr2[5] ) ; DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "Max Support rate = %d \n", pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate); } // assoc response reply.. pTxPacket = s_MgrMakeReAssocResponse ( pDevice, pMgmt, pMgmt->wCurrCapInfo, wAssocStatus, wAssocAID, sFrame.pHdr->sA3.abyAddr2, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates ); if (pTxPacket != NULL ){ /* send the frame */ if (pDevice->bEnableHostapd) { return; } Status = csMgmt_xmit(pDevice, pTxPacket); if (Status != CMD_STATUS_PENDING) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt:ReAssoc response tx failed\n"); } else { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt:ReAssoc response tx sending..\n"); } } return; } /*+ * * Routine Description: * Handle incoming association response frames. * * Return Value: * None. * -*/ static void s_vMgrRxAssocResponse( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket, BOOL bReAssocType ) { WLAN_FR_ASSOCRESP sFrame; PWLAN_IE_SSID pItemSSID; PBYTE pbyIEs; viawget_wpa_header *wpahdr; if (pMgmt->eCurrState == WMAC_STATE_ASSOCPENDING || pMgmt->eCurrState == WMAC_STATE_ASSOC) { sFrame.len = pRxPacket->cbMPDULen; sFrame.pBuf = (PBYTE)pRxPacket->p80211Header; // decode the frame vMgrDecodeAssocResponse(&sFrame); if ((sFrame.pwCapInfo == NULL) || (sFrame.pwStatus == NULL) || (sFrame.pwAid == NULL) || (sFrame.pSuppRates == NULL)) { DBG_PORT80(0xCC); return; } pMgmt->sAssocInfo.AssocInfo.ResponseFixedIEs.Capabilities = *(sFrame.pwCapInfo); pMgmt->sAssocInfo.AssocInfo.ResponseFixedIEs.StatusCode = *(sFrame.pwStatus); pMgmt->sAssocInfo.AssocInfo.ResponseFixedIEs.AssociationId = *(sFrame.pwAid); pMgmt->sAssocInfo.AssocInfo.AvailableResponseFixedIEs |= 0x07; pMgmt->sAssocInfo.AssocInfo.ResponseIELength = sFrame.len - 24 - 6; pMgmt->sAssocInfo.AssocInfo.OffsetResponseIEs = pMgmt->sAssocInfo.AssocInfo.OffsetRequestIEs + pMgmt->sAssocInfo.AssocInfo.RequestIELength; pbyIEs = pMgmt->sAssocInfo.abyIEs; pbyIEs += pMgmt->sAssocInfo.AssocInfo.RequestIELength; memcpy(pbyIEs, (sFrame.pBuf + 24 +6), pMgmt->sAssocInfo.AssocInfo.ResponseIELength); // save values and set current BSS state if (cpu_to_le16((*(sFrame.pwStatus))) == WLAN_MGMT_STATUS_SUCCESS ){ // set AID pMgmt->wCurrAID = cpu_to_le16((*(sFrame.pwAid))); if ( (pMgmt->wCurrAID >> 14) != (BIT0 | BIT1) ) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "AID from AP, has two msb clear.\n"); } DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "Association Successful, AID=%d.\n", pMgmt->wCurrAID & ~(BIT14|BIT15)); pMgmt->eCurrState = WMAC_STATE_ASSOC; BSSvUpdateAPNode((void *) pDevice, sFrame.pwCapInfo, sFrame.pSuppRates, sFrame.pExtSuppRates); pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID; DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "Link with AP(SSID): %s\n", pItemSSID->abySSID); pDevice->bLinkPass = TRUE; ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_INTER); if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) { if(skb_tailroom(pDevice->skb) <(sizeof(viawget_wpa_header)+pMgmt->sAssocInfo.AssocInfo.ResponseIELength+ pMgmt->sAssocInfo.AssocInfo.RequestIELength)) { //data room not enough dev_kfree_skb(pDevice->skb); pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); } wpahdr = (viawget_wpa_header *)pDevice->skb->data; wpahdr->type = VIAWGET_ASSOC_MSG; wpahdr->resp_ie_len = pMgmt->sAssocInfo.AssocInfo.ResponseIELength; wpahdr->req_ie_len = pMgmt->sAssocInfo.AssocInfo.RequestIELength; memcpy(pDevice->skb->data + sizeof(viawget_wpa_header), pMgmt->sAssocInfo.abyIEs, wpahdr->req_ie_len); memcpy(pDevice->skb->data + sizeof(viawget_wpa_header) + wpahdr->req_ie_len, pbyIEs, wpahdr->resp_ie_len ); skb_put(pDevice->skb, sizeof(viawget_wpa_header) + wpahdr->resp_ie_len + wpahdr->req_ie_len); pDevice->skb->dev = pDevice->wpadev; skb_reset_mac_header(pDevice->skb); pDevice->skb->pkt_type = PACKET_HOST; pDevice->skb->protocol = htons(ETH_P_802_2); memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb)); netif_rx(pDevice->skb); pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); } #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT //if(pDevice->bWPASuppWextEnabled == TRUE) { BYTE buf[512]; size_t len; union iwreq_data wrqu; int we_event; memset(buf, 0, 512); len = pMgmt->sAssocInfo.AssocInfo.RequestIELength; if(len) { memcpy(buf, pMgmt->sAssocInfo.abyIEs, len); memset(&wrqu, 0, sizeof (wrqu)); wrqu.data.length = len; we_event = IWEVASSOCREQIE; PRINT_K("wireless_send_event--->IWEVASSOCREQIE\n"); wireless_send_event(pDevice->dev, we_event, &wrqu, buf); } memset(buf, 0, 512); len = pMgmt->sAssocInfo.AssocInfo.ResponseIELength; if(len) { memcpy(buf, pbyIEs, len); memset(&wrqu, 0, sizeof (wrqu)); wrqu.data.length = len; we_event = IWEVASSOCRESPIE; PRINT_K("wireless_send_event--->IWEVASSOCRESPIE\n"); wireless_send_event(pDevice->dev, we_event, &wrqu, buf); } memset(&wrqu, 0, sizeof (wrqu)); memcpy(wrqu.ap_addr.sa_data, &pMgmt->abyCurrBSSID[0], ETH_ALEN); wrqu.ap_addr.sa_family = ARPHRD_ETHER; PRINT_K("wireless_send_event--->SIOCGIWAP(associated)\n"); wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL); } #endif //#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT } else { if (bReAssocType) { pMgmt->eCurrState = WMAC_STATE_IDLE; } else { // jump back to the auth state and indicate the error pMgmt->eCurrState = WMAC_STATE_AUTH; } s_vMgrLogStatus(pMgmt,cpu_to_le16((*(sFrame.pwStatus)))); } } #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT //need clear flags related to Networkmanager pDevice->bwextstep0 = FALSE; pDevice->bwextstep1 = FALSE; pDevice->bwextstep2 = FALSE; pDevice->bwextstep3 = FALSE; pDevice->bWPASuppWextEnabled = FALSE; #endif if(pMgmt->eCurrState == WMAC_STATE_ASSOC) timer_expire(pDevice->sTimerCommand, 0); return; } /*+ * * Routine Description: * Start the station authentication procedure. Namely, send an * authentication frame to the AP. * * Return Value: * None. * -*/ void vMgrAuthenBeginSta(void *hDeviceContext, PSMgmtObject pMgmt, PCMD_STATUS pStatus) { PSDevice pDevice = (PSDevice)hDeviceContext; WLAN_FR_AUTHEN sFrame; PSTxMgmtPacket pTxPacket = NULL; pTxPacket = (PSTxMgmtPacket)pMgmt->pbyMgmtPacketPool; memset(pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_AUTHEN_FR_MAXLEN); pTxPacket->p80211Header = (PUWLAN_80211HDR)((PBYTE)pTxPacket + sizeof(STxMgmtPacket)); sFrame.pBuf = (PBYTE)pTxPacket->p80211Header; sFrame.len = WLAN_AUTHEN_FR_MAXLEN; vMgrEncodeAuthen(&sFrame); /* insert values */ sFrame.pHdr->sA3.wFrameCtl = cpu_to_le16( ( WLAN_SET_FC_FTYPE(WLAN_TYPE_MGR) | WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_AUTHEN) )); memcpy( sFrame.pHdr->sA3.abyAddr1, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN); if (pMgmt->bShareKeyAlgorithm) *(sFrame.pwAuthAlgorithm) = cpu_to_le16(WLAN_AUTH_ALG_SHAREDKEY); else *(sFrame.pwAuthAlgorithm) = cpu_to_le16(WLAN_AUTH_ALG_OPENSYSTEM); *(sFrame.pwAuthSequence) = cpu_to_le16(1); /* Adjust the length fields */ pTxPacket->cbMPDULen = sFrame.len; pTxPacket->cbPayloadLen = sFrame.len - WLAN_HDR_ADDR3_LEN; *pStatus = csMgmt_xmit(pDevice, pTxPacket); if (*pStatus == CMD_STATUS_PENDING){ pMgmt->eCurrState = WMAC_STATE_AUTHPENDING; *pStatus = CMD_STATUS_SUCCESS; } return ; } /*+ * * Routine Description: * Start the station(AP) deauthentication procedure. Namely, send an * deauthentication frame to the AP or Sta. * * Return Value: * None. * -*/ void vMgrDeAuthenBeginSta(void *hDeviceContext, PSMgmtObject pMgmt, PBYTE abyDestAddress, WORD wReason, PCMD_STATUS pStatus) { PSDevice pDevice = (PSDevice)hDeviceContext; WLAN_FR_DEAUTHEN sFrame; PSTxMgmtPacket pTxPacket = NULL; pTxPacket = (PSTxMgmtPacket)pMgmt->pbyMgmtPacketPool; memset(pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_DEAUTHEN_FR_MAXLEN); pTxPacket->p80211Header = (PUWLAN_80211HDR)((PBYTE)pTxPacket + sizeof(STxMgmtPacket)); sFrame.pBuf = (PBYTE)pTxPacket->p80211Header; sFrame.len = WLAN_DEAUTHEN_FR_MAXLEN; vMgrEncodeDeauthen(&sFrame); /* insert values */ sFrame.pHdr->sA3.wFrameCtl = cpu_to_le16( ( WLAN_SET_FC_FTYPE(WLAN_TYPE_MGR) | WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_DEAUTHEN) )); memcpy( sFrame.pHdr->sA3.abyAddr1, abyDestAddress, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN); *(sFrame.pwReason) = cpu_to_le16(wReason); // deauthen. bcs left BSS /* Adjust the length fields */ pTxPacket->cbMPDULen = sFrame.len; pTxPacket->cbPayloadLen = sFrame.len - WLAN_HDR_ADDR3_LEN; *pStatus = csMgmt_xmit(pDevice, pTxPacket); if (*pStatus == CMD_STATUS_PENDING){ *pStatus = CMD_STATUS_SUCCESS; } return ; } /*+ * * Routine Description: * Handle incoming authentication frames. * * Return Value: * None. * -*/ static void s_vMgrRxAuthentication( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket ) { WLAN_FR_AUTHEN sFrame; // we better be an AP or a STA in AUTHPENDING otherwise ignore if (!(pMgmt->eCurrMode == WMAC_MODE_ESS_AP || pMgmt->eCurrState == WMAC_STATE_AUTHPENDING)) { return; } // decode the frame sFrame.len = pRxPacket->cbMPDULen; sFrame.pBuf = (PBYTE)pRxPacket->p80211Header; vMgrDecodeAuthen(&sFrame); switch (cpu_to_le16((*(sFrame.pwAuthSequence )))){ case 1: //AP funciton s_vMgrRxAuthenSequence_1(pDevice,pMgmt, &sFrame); break; case 2: s_vMgrRxAuthenSequence_2(pDevice, pMgmt, &sFrame); break; case 3: //AP funciton s_vMgrRxAuthenSequence_3(pDevice, pMgmt, &sFrame); break; case 4: s_vMgrRxAuthenSequence_4(pDevice, pMgmt, &sFrame); break; default: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Auth Sequence error, seq = %d\n", cpu_to_le16((*(sFrame.pwAuthSequence)))); break; } return; } /*+ * * Routine Description: * Handles incoming authen frames with sequence 1. Currently * assumes we're an AP. So far, no one appears to use authentication * in Ad-Hoc mode. * * Return Value: * None. * -*/ static void s_vMgrRxAuthenSequence_1( PSDevice pDevice, PSMgmtObject pMgmt, PWLAN_FR_AUTHEN pFrame ) { PSTxMgmtPacket pTxPacket = NULL; unsigned int uNodeIndex; WLAN_FR_AUTHEN sFrame; PSKeyItem pTransmitKey; // Insert a Node entry if (!BSSbIsSTAInNodeDB(pDevice, pFrame->pHdr->sA3.abyAddr2, &uNodeIndex)) { BSSvCreateOneNode((PSDevice)pDevice, &uNodeIndex); memcpy(pMgmt->sNodeDBTable[uNodeIndex].abyMACAddr, pFrame->pHdr->sA3.abyAddr2, WLAN_ADDR_LEN); } if (pMgmt->bShareKeyAlgorithm) { pMgmt->sNodeDBTable[uNodeIndex].eNodeState = NODE_KNOWN; pMgmt->sNodeDBTable[uNodeIndex].byAuthSequence = 1; } else { pMgmt->sNodeDBTable[uNodeIndex].eNodeState = NODE_AUTH; } // send auth reply pTxPacket = (PSTxMgmtPacket)pMgmt->pbyMgmtPacketPool; memset(pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_AUTHEN_FR_MAXLEN); pTxPacket->p80211Header = (PUWLAN_80211HDR)((PBYTE)pTxPacket + sizeof(STxMgmtPacket)); sFrame.pBuf = (PBYTE)pTxPacket->p80211Header; sFrame.len = WLAN_AUTHEN_FR_MAXLEN; // format buffer structure vMgrEncodeAuthen(&sFrame); // insert values sFrame.pHdr->sA3.wFrameCtl = cpu_to_le16( ( WLAN_SET_FC_FTYPE(WLAN_TYPE_MGR) | WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_AUTHEN)| WLAN_SET_FC_ISWEP(0) )); memcpy( sFrame.pHdr->sA3.abyAddr1, pFrame->pHdr->sA3.abyAddr2, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN); *(sFrame.pwAuthAlgorithm) = *(pFrame->pwAuthAlgorithm); *(sFrame.pwAuthSequence) = cpu_to_le16(2); if (cpu_to_le16(*(pFrame->pwAuthAlgorithm)) == WLAN_AUTH_ALG_SHAREDKEY) { if (pMgmt->bShareKeyAlgorithm) *(sFrame.pwStatus) = cpu_to_le16(WLAN_MGMT_STATUS_SUCCESS); else *(sFrame.pwStatus) = cpu_to_le16(WLAN_MGMT_STATUS_UNSUPPORTED_AUTHALG); } else { if (pMgmt->bShareKeyAlgorithm) *(sFrame.pwStatus) = cpu_to_le16(WLAN_MGMT_STATUS_UNSUPPORTED_AUTHALG); else *(sFrame.pwStatus) = cpu_to_le16(WLAN_MGMT_STATUS_SUCCESS); } if (pMgmt->bShareKeyAlgorithm && (cpu_to_le16(*(sFrame.pwStatus)) == WLAN_MGMT_STATUS_SUCCESS)) { sFrame.pChallenge = (PWLAN_IE_CHALLENGE)(sFrame.pBuf + sFrame.len); sFrame.len += WLAN_CHALLENGE_IE_LEN; sFrame.pChallenge->byElementID = WLAN_EID_CHALLENGE; sFrame.pChallenge->len = WLAN_CHALLENGE_LEN; memset(pMgmt->abyChallenge, 0, WLAN_CHALLENGE_LEN); // get group key if(KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, GROUP_KEY, &pTransmitKey) == TRUE) { rc4_init(&pDevice->SBox, pDevice->abyPRNG, pTransmitKey->uKeyLength+3); rc4_encrypt(&pDevice->SBox, pMgmt->abyChallenge, pMgmt->abyChallenge, WLAN_CHALLENGE_LEN); } memcpy(sFrame.pChallenge->abyChallenge, pMgmt->abyChallenge , WLAN_CHALLENGE_LEN); } /* Adjust the length fields */ pTxPacket->cbMPDULen = sFrame.len; pTxPacket->cbPayloadLen = sFrame.len - WLAN_HDR_ADDR3_LEN; // send the frame if (pDevice->bEnableHostapd) { return; } DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt:Authreq_reply sequence_1 tx.. \n"); if (csMgmt_xmit(pDevice, pTxPacket) != CMD_STATUS_PENDING) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt:Authreq_reply sequence_1 tx failed.\n"); } return; } /*+ * * Routine Description: * Handles incoming auth frames with sequence number 2. Currently * assumes we're a station. * * * Return Value: * None. * -*/ static void s_vMgrRxAuthenSequence_2( PSDevice pDevice, PSMgmtObject pMgmt, PWLAN_FR_AUTHEN pFrame ) { WLAN_FR_AUTHEN sFrame; PSTxMgmtPacket pTxPacket = NULL; switch (cpu_to_le16((*(pFrame->pwAuthAlgorithm)))) { case WLAN_AUTH_ALG_OPENSYSTEM: if ( cpu_to_le16((*(pFrame->pwStatus))) == WLAN_MGMT_STATUS_SUCCESS ){ DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "802.11 Authen (OPEN) Successful.\n"); pMgmt->eCurrState = WMAC_STATE_AUTH; timer_expire(pDevice->sTimerCommand, 0); } else { DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "802.11 Authen (OPEN) Failed.\n"); s_vMgrLogStatus(pMgmt, cpu_to_le16((*(pFrame->pwStatus)))); pMgmt->eCurrState = WMAC_STATE_IDLE; } if (pDevice->eCommandState == WLAN_AUTHENTICATE_WAIT) { /* spin_unlock_irq(&pDevice->lock); vCommandTimerWait((void *) pDevice, 0); spin_lock_irq(&pDevice->lock); */ } break; case WLAN_AUTH_ALG_SHAREDKEY: if (cpu_to_le16((*(pFrame->pwStatus))) == WLAN_MGMT_STATUS_SUCCESS) { pTxPacket = (PSTxMgmtPacket)pMgmt->pbyMgmtPacketPool; memset(pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_AUTHEN_FR_MAXLEN); pTxPacket->p80211Header = (PUWLAN_80211HDR)((PBYTE)pTxPacket + sizeof(STxMgmtPacket)); sFrame.pBuf = (PBYTE)pTxPacket->p80211Header; sFrame.len = WLAN_AUTHEN_FR_MAXLEN; // format buffer structure vMgrEncodeAuthen(&sFrame); // insert values sFrame.pHdr->sA3.wFrameCtl = cpu_to_le16( ( WLAN_SET_FC_FTYPE(WLAN_TYPE_MGR) | WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_AUTHEN)| WLAN_SET_FC_ISWEP(1) )); memcpy( sFrame.pHdr->sA3.abyAddr1, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN); memcpy( sFrame.pHdr->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN); *(sFrame.pwAuthAlgorithm) = *(pFrame->pwAuthAlgorithm); *(sFrame.pwAuthSequence) = cpu_to_le16(3); *(sFrame.pwStatus) = cpu_to_le16(WLAN_MGMT_STATUS_SUCCESS); sFrame.pChallenge = (PWLAN_IE_CHALLENGE)(sFrame.pBuf + sFrame.len); sFrame.len += WLAN_CHALLENGE_IE_LEN; sFrame.pChallenge->byElementID = WLAN_EID_CHALLENGE; sFrame.pChallenge->len = WLAN_CHALLENGE_LEN; memcpy( sFrame.pChallenge->abyChallenge, pFrame->pChallenge->abyChallenge, WLAN_CHALLENGE_LEN); // Adjust the length fields pTxPacket->cbMPDULen = sFrame.len; pTxPacket->cbPayloadLen = sFrame.len - WLAN_HDR_ADDR3_LEN; // send the frame if (csMgmt_xmit(pDevice, pTxPacket) != CMD_STATUS_PENDING) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt:Auth_reply sequence_2 tx failed.\n"); } DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt:Auth_reply sequence_2 tx ...\n"); } else { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt:rx Auth_reply sequence_2 status error ...\n"); if ( pDevice->eCommandState == WLAN_AUTHENTICATE_WAIT ) { /* spin_unlock_irq(&pDevice->lock); vCommandTimerWait((void *) pDevice, 0); spin_lock_irq(&pDevice->lock); */ } s_vMgrLogStatus(pMgmt, cpu_to_le16((*(pFrame->pwStatus)))); } break; default: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt: rx auth.seq = 2 unknown AuthAlgorithm=%d\n", cpu_to_le16((*(pFrame->pwAuthAlgorithm)))); break; } return; } /*+ * * Routine Description: * Handles incoming authen frames with sequence 3. Currently * assumes we're an AP. This function assumes the frame has * already been successfully decrypted. * * * Return Value: * None. * -*/ static void s_vMgrRxAuthenSequence_3( PSDevice pDevice, PSMgmtObject pMgmt, PWLAN_FR_AUTHEN pFrame ) { PSTxMgmtPacket pTxPacket = NULL; unsigned int uStatusCode = 0 ; unsigned int uNodeIndex = 0; WLAN_FR_AUTHEN sFrame; if (!WLAN_GET_FC_ISWEP(pFrame->pHdr->sA3.wFrameCtl)) { uStatusCode = WLAN_MGMT_STATUS_CHALLENGE_FAIL; goto reply; } if (BSSbIsSTAInNodeDB(pDevice, pFrame->pHdr->sA3.abyAddr2, &uNodeIndex)) { if (pMgmt->sNodeDBTable[uNodeIndex].byAuthSequence != 1) { uStatusCode = WLAN_MGMT_STATUS_RX_AUTH_NOSEQ; goto reply; } if (memcmp(pMgmt->abyChallenge, pFrame->pChallenge->abyChallenge, WLAN_CHALLENGE_LEN) != 0) { uStatusCode = WLAN_MGMT_STATUS_CHALLENGE_FAIL; goto reply; } } else { uStatusCode = WLAN_MGMT_STATUS_UNSPEC_FAILURE; goto reply; } if (uNodeIndex) { pMgmt->sNodeDBTable[uNodeIndex].eNodeState = NODE_AUTH; pMgmt->sNodeDBTable[uNodeIndex].byAuthSequence = 0; } uStatusCode = WLAN_MGMT_STATUS_SUCCESS; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Challenge text check ok..\n"); reply: // send auth reply pTxPacket = (PSTxMgmtPacket)pMgmt->pbyMgmtPacketPool; memset(pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_AUTHEN_FR_MAXLEN); pTxPacket->p80211Header = (PUWLAN_80211HDR)((PBYTE)pTxPacket + sizeof(STxMgmtPacket)); sFrame.pBuf = (PBYTE)pTxPacket->p80211Header; sFrame.len = WLAN_AUTHEN_FR_MAXLEN; // format buffer structure vMgrEncodeAuthen(&sFrame); /* insert values */ sFrame.pHdr->sA3.wFrameCtl = cpu_to_le16( ( WLAN_SET_FC_FTYPE(WLAN_TYPE_MGR) | WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_AUTHEN)| WLAN_SET_FC_ISWEP(0) )); memcpy( sFrame.pHdr->sA3.abyAddr1, pFrame->pHdr->sA3.abyAddr2, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN); *(sFrame.pwAuthAlgorithm) = *(pFrame->pwAuthAlgorithm); *(sFrame.pwAuthSequence) = cpu_to_le16(4); *(sFrame.pwStatus) = cpu_to_le16(uStatusCode); /* Adjust the length fields */ pTxPacket->cbMPDULen = sFrame.len; pTxPacket->cbPayloadLen = sFrame.len - WLAN_HDR_ADDR3_LEN; // send the frame if (pDevice->bEnableHostapd) { return; } if (csMgmt_xmit(pDevice, pTxPacket) != CMD_STATUS_PENDING) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt:Authreq_reply sequence_4 tx failed.\n"); } return; } /*+ * * Routine Description: * Handles incoming authen frames with sequence 4 * * * Return Value: * None. * -*/ static void s_vMgrRxAuthenSequence_4( PSDevice pDevice, PSMgmtObject pMgmt, PWLAN_FR_AUTHEN pFrame ) { if ( cpu_to_le16((*(pFrame->pwStatus))) == WLAN_MGMT_STATUS_SUCCESS ){ DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "802.11 Authen (SHAREDKEY) Successful.\n"); pMgmt->eCurrState = WMAC_STATE_AUTH; timer_expire(pDevice->sTimerCommand, 0); } else{ DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "802.11 Authen (SHAREDKEY) Failed.\n"); s_vMgrLogStatus(pMgmt, cpu_to_le16((*(pFrame->pwStatus))) ); pMgmt->eCurrState = WMAC_STATE_IDLE; } if ( pDevice->eCommandState == WLAN_AUTHENTICATE_WAIT ) { /* spin_unlock_irq(&pDevice->lock); vCommandTimerWait((void *) pDevice, 0); spin_lock_irq(&pDevice->lock); */ } } /*+ * * Routine Description: * Handles incoming disassociation frames * * * Return Value: * None. * -*/ static void s_vMgrRxDisassociation( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket ) { WLAN_FR_DISASSOC sFrame; unsigned int uNodeIndex = 0; CMD_STATUS CmdStatus; viawget_wpa_header *wpahdr; if ( pMgmt->eCurrMode == WMAC_MODE_ESS_AP ){ // if is acting an AP.. // a STA is leaving this BSS.. sFrame.len = pRxPacket->cbMPDULen; sFrame.pBuf = (PBYTE)pRxPacket->p80211Header; if (BSSbIsSTAInNodeDB(pDevice, pRxPacket->p80211Header->sA3.abyAddr2, &uNodeIndex)) { BSSvRemoveOneNode(pDevice, uNodeIndex); } else { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Rx disassoc, sta not found\n"); } } else if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA ){ sFrame.len = pRxPacket->cbMPDULen; sFrame.pBuf = (PBYTE)pRxPacket->p80211Header; vMgrDecodeDisassociation(&sFrame); DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "AP disassociated me, reason=%d.\n", cpu_to_le16(*(sFrame.pwReason))); pDevice->fWPA_Authened = FALSE; if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) { wpahdr = (viawget_wpa_header *)pDevice->skb->data; wpahdr->type = VIAWGET_DISASSOC_MSG; wpahdr->resp_ie_len = 0; wpahdr->req_ie_len = 0; skb_put(pDevice->skb, sizeof(viawget_wpa_header)); pDevice->skb->dev = pDevice->wpadev; skb_reset_mac_header(pDevice->skb); pDevice->skb->pkt_type = PACKET_HOST; pDevice->skb->protocol = htons(ETH_P_802_2); memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb)); netif_rx(pDevice->skb); pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); } //TODO: do something let upper layer know or //try to send associate packet again because of inactivity timeout if (pMgmt->eCurrState == WMAC_STATE_ASSOC) { pDevice->bLinkPass = FALSE; pMgmt->sNodeDBTable[0].bActive = FALSE; pDevice->byReAssocCount = 0; pMgmt->eCurrState = WMAC_STATE_AUTH; // jump back to the auth state! pDevice->eCommandState = WLAN_ASSOCIATE_WAIT; vMgrReAssocBeginSta((PSDevice)pDevice, pMgmt, &CmdStatus); if(CmdStatus == CMD_STATUS_PENDING) { pDevice->byReAssocCount ++; return; //mike add: you'll retry for many times, so it cann't be regarded as disconnected! } } #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT // 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); } #endif } /* else, ignore it */ return; } /*+ * * Routine Description: * Handles incoming deauthentication frames * * * Return Value: * None. * -*/ static void s_vMgrRxDeauthentication( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket ) { WLAN_FR_DEAUTHEN sFrame; unsigned int uNodeIndex = 0; viawget_wpa_header *wpahdr; if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP ){ //Todo: // if is acting an AP.. // a STA is leaving this BSS.. sFrame.len = pRxPacket->cbMPDULen; sFrame.pBuf = (PBYTE)pRxPacket->p80211Header; if (BSSbIsSTAInNodeDB(pDevice, pRxPacket->p80211Header->sA3.abyAddr2, &uNodeIndex)) { BSSvRemoveOneNode(pDevice, uNodeIndex); } else { DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Rx deauth, sta not found\n"); } } else { if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA ) { sFrame.len = pRxPacket->cbMPDULen; sFrame.pBuf = (PBYTE)pRxPacket->p80211Header; vMgrDecodeDeauthen(&sFrame); pDevice->fWPA_Authened = FALSE; DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "AP deauthed me, reason=%d.\n", cpu_to_le16((*(sFrame.pwReason)))); // TODO: update BSS list for specific BSSID if pre-authentication case if (!compare_ether_addr(sFrame.pHdr->sA3.abyAddr3, pMgmt->abyCurrBSSID)) { if (pMgmt->eCurrState >= WMAC_STATE_AUTHPENDING) { pMgmt->sNodeDBTable[0].bActive = FALSE; pMgmt->eCurrMode = WMAC_MODE_STANDBY; pMgmt->eCurrState = WMAC_STATE_IDLE; netif_stop_queue(pDevice->dev); pDevice->bLinkPass = FALSE; ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW); } } if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) { wpahdr = (viawget_wpa_header *)pDevice->skb->data; wpahdr->type = VIAWGET_DISASSOC_MSG; wpahdr->resp_ie_len = 0; wpahdr->req_ie_len = 0; skb_put(pDevice->skb, sizeof(viawget_wpa_header)); pDevice->skb->dev = pDevice->wpadev; skb_reset_mac_header(pDevice->skb); pDevice->skb->pkt_type = PACKET_HOST; pDevice->skb->protocol = htons(ETH_P_802_2); memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb)); netif_rx(pDevice->skb); pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); } #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT // 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(disauthen)\n"); wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL); } #endif } /* else, ignore it. TODO: IBSS authentication service would be implemented here */ }; return; } /*+ * * Routine Description: * check if current channel is match ZoneType. *for USA:1~11; * Japan:1~13; * Europe:1~13 * Return Value: * True:exceed; * False:normal case -*/ static BOOL ChannelExceedZoneType( PSDevice pDevice, BYTE byCurrChannel ) { BOOL exceed=FALSE; switch(pDevice->byZoneType) { case 0x00: //USA:1~11 if((byCurrChannel<1) ||(byCurrChannel>11)) exceed = TRUE; break; case 0x01: //Japan:1~13 case 0x02: //Europe:1~13 if((byCurrChannel<1) ||(byCurrChannel>13)) exceed = TRUE; break; default: //reserve for other zonetype break; } return exceed; } /*+ * * Routine Description: * Handles and analysis incoming beacon frames. * * * Return Value: * None. * -*/ static void s_vMgrRxBeacon( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket, BOOL bInScan ) { PKnownBSS pBSSList; WLAN_FR_BEACON sFrame; QWORD qwTSFOffset; BOOL bIsBSSIDEqual = FALSE; BOOL bIsSSIDEqual = FALSE; BOOL bTSFLargeDiff = FALSE; BOOL bTSFOffsetPostive = FALSE; BOOL bUpdateTSF = FALSE; BOOL bIsAPBeacon = FALSE; BOOL bIsChannelEqual = FALSE; unsigned int uLocateByteIndex; BYTE byTIMBitOn = 0; WORD wAIDNumber = 0; unsigned int uNodeIndex; QWORD qwTimestamp, qwLocalTSF; QWORD qwCurrTSF; WORD wStartIndex = 0; WORD wAIDIndex = 0; BYTE byCurrChannel = pRxPacket->byRxChannel; ERPObject sERP; unsigned int uRateLen = WLAN_RATES_MAXLEN; BOOL bChannelHit = FALSE; BYTE byOldPreambleType; if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) return; memset(&sFrame, 0, sizeof(WLAN_FR_BEACON)); sFrame.len = pRxPacket->cbMPDULen; sFrame.pBuf = (PBYTE)pRxPacket->p80211Header; // decode the beacon frame vMgrDecodeBeacon(&sFrame); if ((sFrame.pwBeaconInterval == NULL) || (sFrame.pwCapInfo == NULL) || (sFrame.pSSID == NULL) || (sFrame.pSuppRates == NULL)) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Rx beacon frame error\n"); return; } if( byCurrChannel > CB_MAX_CHANNEL_24G ) { if (sFrame.pDSParms != NULL) { if (byCurrChannel == RFaby11aChannelIndex[sFrame.pDSParms->byCurrChannel-1]) bChannelHit = TRUE; byCurrChannel = RFaby11aChannelIndex[sFrame.pDSParms->byCurrChannel-1]; } else { bChannelHit = TRUE; } } else { if (sFrame.pDSParms != NULL) { if (byCurrChannel == sFrame.pDSParms->byCurrChannel) bChannelHit = TRUE; byCurrChannel = sFrame.pDSParms->byCurrChannel; } else { bChannelHit = TRUE; } } if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE) return; if (sFrame.pERP != NULL) { sERP.byERP = sFrame.pERP->byContext; sERP.bERPExist = TRUE; } else { sERP.bERPExist = FALSE; sERP.byERP = 0; } pBSSList = BSSpAddrIsInBSSList((void *) pDevice, sFrame.pHdr->sA3.abyAddr3, sFrame.pSSID); if (pBSSList == NULL) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Beacon/insert: RxChannel = : %d\n", byCurrChannel); BSSbInsertToBSSList((void *) pDevice, sFrame.pHdr->sA3.abyAddr3, *sFrame.pqwTimestamp, *sFrame.pwBeaconInterval, *sFrame.pwCapInfo, byCurrChannel, sFrame.pSSID, sFrame.pSuppRates, sFrame.pExtSuppRates, &sERP, sFrame.pRSN, sFrame.pRSNWPA, sFrame.pIE_Country, sFrame.pIE_Quiet, sFrame.len - WLAN_HDR_ADDR3_LEN, sFrame.pHdr->sA4.abyAddr4, // payload of beacon (void *) pRxPacket); } else { // DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"update bcn: RxChannel = : %d\n", byCurrChannel); BSSbUpdateToBSSList((void *) pDevice, *sFrame.pqwTimestamp, *sFrame.pwBeaconInterval, *sFrame.pwCapInfo, byCurrChannel, bChannelHit, sFrame.pSSID, sFrame.pSuppRates, sFrame.pExtSuppRates, &sERP, sFrame.pRSN, sFrame.pRSNWPA, sFrame.pIE_Country, sFrame.pIE_Quiet, pBSSList, sFrame.len - WLAN_HDR_ADDR3_LEN, sFrame.pHdr->sA4.abyAddr4, // payload of probresponse (void *) pRxPacket); } if (bInScan) { return; } if(byCurrChannel == (BYTE)pMgmt->uCurrChannel) bIsChannelEqual = TRUE; if (bIsChannelEqual && (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)) { // if rx beacon without ERP field if (sERP.bERPExist) { if (WLAN_GET_ERP_USE_PROTECTION(sERP.byERP)){ pDevice->byERPFlag |= WLAN_SET_ERP_USE_PROTECTION(1); pDevice->wUseProtectCntDown = USE_PROTECT_PERIOD; } } else { pDevice->byERPFlag |= WLAN_SET_ERP_USE_PROTECTION(1); pDevice->wUseProtectCntDown = USE_PROTECT_PERIOD; } if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) { if(!WLAN_GET_CAP_INFO_SHORTPREAMBLE(*sFrame.pwCapInfo)) pDevice->byERPFlag |= WLAN_SET_ERP_BARKER_MODE(1); if(!sERP.bERPExist) pDevice->byERPFlag |= WLAN_SET_ERP_NONERP_PRESENT(1); } } // check if BSSID the same if (memcmp(sFrame.pHdr->sA3.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN) == 0) { bIsBSSIDEqual = TRUE; pDevice->uCurrRSSI = pRxPacket->uRSSI; pDevice->byCurrSQ = pRxPacket->bySQ; if (pMgmt->sNodeDBTable[0].uInActiveCount != 0) { pMgmt->sNodeDBTable[0].uInActiveCount = 0; //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BCN:Wake Count= [%d]\n", pMgmt->wCountToWakeUp); } } // check if SSID the same if (sFrame.pSSID->len == ((PWLAN_IE_SSID)pMgmt->abyCurrSSID)->len) { if (memcmp(sFrame.pSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyCurrSSID)->abySSID, sFrame.pSSID->len ) == 0) { bIsSSIDEqual = TRUE; } } if ((WLAN_GET_CAP_INFO_ESS(*sFrame.pwCapInfo)== TRUE) && (bIsBSSIDEqual == TRUE) && (bIsSSIDEqual == TRUE) && (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) { // add state check to prevent reconnect fail since we'll receive Beacon bIsAPBeacon = TRUE; if (pBSSList != NULL) { // Sync ERP field if ((pBSSList->sERP.bERPExist == TRUE) && (pDevice->byBBType == BB_TYPE_11G)) { if ((pBSSList->sERP.byERP & WLAN_EID_ERP_USE_PROTECTION) != pDevice->bProtectMode) {//0000 0010 pDevice->bProtectMode = (pBSSList->sERP.byERP & WLAN_EID_ERP_USE_PROTECTION); if (pDevice->bProtectMode) { MACvEnableProtectMD(pDevice); } else { MACvDisableProtectMD(pDevice); } vUpdateIFS(pDevice); } if ((pBSSList->sERP.byERP & WLAN_EID_ERP_NONERP_PRESENT) != pDevice->bNonERPPresent) {//0000 0001 pDevice->bNonERPPresent = (pBSSList->sERP.byERP & WLAN_EID_ERP_USE_PROTECTION); } if ((pBSSList->sERP.byERP & WLAN_EID_ERP_BARKER_MODE) != pDevice->bBarkerPreambleMd) {//0000 0100 pDevice->bBarkerPreambleMd = (pBSSList->sERP.byERP & WLAN_EID_ERP_BARKER_MODE); //BarkerPreambleMd has higher priority than shortPreamble bit in Cap if (pDevice->bBarkerPreambleMd) { MACvEnableBarkerPreambleMd(pDevice); } else { MACvDisableBarkerPreambleMd(pDevice); } } } // Sync Short Slot Time if (WLAN_GET_CAP_INFO_SHORTSLOTTIME(pBSSList->wCapInfo) != pDevice->bShortSlotTime) { BOOL bShortSlotTime; bShortSlotTime = WLAN_GET_CAP_INFO_SHORTSLOTTIME(pBSSList->wCapInfo); //DBG_PRN_WLAN05(("Set Short Slot Time: %d\n", pDevice->bShortSlotTime)); //Kyle check if it is OK to set G. if (pDevice->byBBType == BB_TYPE_11A) { bShortSlotTime = TRUE; } else if (pDevice->byBBType == BB_TYPE_11B) { bShortSlotTime = FALSE; } if (bShortSlotTime != pDevice->bShortSlotTime) { pDevice->bShortSlotTime = bShortSlotTime; BBvSetShortSlotTime(pDevice); vUpdateIFS(pDevice); } } // // Preamble may change dynamiclly // byOldPreambleType = pDevice->byPreambleType; if (WLAN_GET_CAP_INFO_SHORTPREAMBLE(pBSSList->wCapInfo)) { pDevice->byPreambleType = pDevice->byShortPreamble; } else { pDevice->byPreambleType = 0; } if (pDevice->byPreambleType != byOldPreambleType) CARDvSetRSPINF(pDevice, (BYTE)pDevice->byBBType); // // Basic Rate Set may change dynamiclly // if (pBSSList->eNetworkTypeInUse == PHY_TYPE_11B) { uRateLen = WLAN_RATES_MAXLEN_11B; } pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pBSSList->abySuppRates, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, uRateLen); pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pBSSList->abyExtSuppRates, (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) ); } } // DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Beacon 2 \n"); // check if CF field exisit if (WLAN_GET_CAP_INFO_ESS(*sFrame.pwCapInfo)) { if (sFrame.pCFParms->wCFPDurRemaining > 0) { // TODO: deal with CFP period to set NAV } } HIDWORD(qwTimestamp) = cpu_to_le32(HIDWORD(*sFrame.pqwTimestamp)); LODWORD(qwTimestamp) = cpu_to_le32(LODWORD(*sFrame.pqwTimestamp)); HIDWORD(qwLocalTSF) = HIDWORD(pRxPacket->qwLocalTSF); LODWORD(qwLocalTSF) = LODWORD(pRxPacket->qwLocalTSF); // check if beacon TSF larger or small than our local TSF if (HIDWORD(qwTimestamp) == HIDWORD(qwLocalTSF)) { if (LODWORD(qwTimestamp) >= LODWORD(qwLocalTSF)) { bTSFOffsetPostive = TRUE; } else { bTSFOffsetPostive = FALSE; } } else if (HIDWORD(qwTimestamp) > HIDWORD(qwLocalTSF)) { bTSFOffsetPostive = TRUE; } else if (HIDWORD(qwTimestamp) < HIDWORD(qwLocalTSF)) { bTSFOffsetPostive = FALSE; } if (bTSFOffsetPostive) { qwTSFOffset = CARDqGetTSFOffset(pRxPacket->byRxRate, (qwTimestamp), (qwLocalTSF)); } else { qwTSFOffset = CARDqGetTSFOffset(pRxPacket->byRxRate, (qwLocalTSF), (qwTimestamp)); } if (HIDWORD(qwTSFOffset) != 0 || (LODWORD(qwTSFOffset) > TRIVIAL_SYNC_DIFFERENCE )) { bTSFLargeDiff = TRUE; } // if infra mode if (bIsAPBeacon == TRUE) { // Infra mode: Local TSF always follow AP's TSF if Difference huge. if (bTSFLargeDiff) bUpdateTSF = TRUE; if ((pDevice->bEnablePSMode == TRUE) && (sFrame.pTIM)) { /* deal with DTIM, analysis TIM */ pMgmt->bMulticastTIM = WLAN_MGMT_IS_MULTICAST_TIM(sFrame.pTIM->byBitMapCtl) ? TRUE : FALSE ; pMgmt->byDTIMCount = sFrame.pTIM->byDTIMCount; pMgmt->byDTIMPeriod = sFrame.pTIM->byDTIMPeriod; wAIDNumber = pMgmt->wCurrAID & ~(BIT14|BIT15); // check if AID in TIM field bit on // wStartIndex = N1 wStartIndex = WLAN_MGMT_GET_TIM_OFFSET(sFrame.pTIM->byBitMapCtl) << 1; // AIDIndex = N2 wAIDIndex = (wAIDNumber >> 3); if ((wAIDNumber > 0) && (wAIDIndex >= wStartIndex)) { uLocateByteIndex = wAIDIndex - wStartIndex; // len = byDTIMCount + byDTIMPeriod + byDTIMPeriod + byVirtBitMap[0~250] if (sFrame.pTIM->len >= (uLocateByteIndex + 4)) { byTIMBitOn = (0x01) << ((wAIDNumber) % 8); pMgmt->bInTIM = sFrame.pTIM->byVirtBitMap[uLocateByteIndex] & byTIMBitOn ? TRUE : FALSE; } else { pMgmt->bInTIM = FALSE; }; } else { pMgmt->bInTIM = FALSE; }; if (pMgmt->bInTIM || (pMgmt->bMulticastTIM && (pMgmt->byDTIMCount == 0))) { pMgmt->bInTIMWake = TRUE; // send out ps-poll packet // DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BCN:In TIM\n"); if (pMgmt->bInTIM) { PSvSendPSPOLL((PSDevice)pDevice); // DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BCN:PS-POLL sent..\n"); } } else { pMgmt->bInTIMWake = FALSE; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BCN: Not In TIM..\n"); if (pDevice->bPWBitOn == FALSE) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BCN: Send Null Packet\n"); if (PSbSendNullPacket(pDevice)) pDevice->bPWBitOn = TRUE; } if(PSbConsiderPowerDown(pDevice, FALSE, FALSE)) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BCN: Power down now...\n"); } } } } // if adhoc mode if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && !bIsAPBeacon && bIsChannelEqual) { if (bIsBSSIDEqual) { // Use sNodeDBTable[0].uInActiveCount as IBSS beacons received count. if (pMgmt->sNodeDBTable[0].uInActiveCount != 0) pMgmt->sNodeDBTable[0].uInActiveCount = 0; // adhoc mode:TSF updated only when beacon larger then local TSF if (bTSFLargeDiff && bTSFOffsetPostive && (pMgmt->eCurrState == WMAC_STATE_JOINTED)) bUpdateTSF = TRUE; // During dpc, already in spinlocked. if (BSSbIsSTAInNodeDB(pDevice, sFrame.pHdr->sA3.abyAddr2, &uNodeIndex)) { // Update the STA, (Techically the Beacons of all the IBSS nodes // should be identical, but that's not happening in practice. pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)sFrame.pSuppRates, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, WLAN_RATES_MAXLEN_11B); RATEvParseMaxRate((void *)pDevice, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, NULL, TRUE, &(pMgmt->sNodeDBTable[uNodeIndex].wMaxBasicRate), &(pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate), &(pMgmt->sNodeDBTable[uNodeIndex].wSuppRate), &(pMgmt->sNodeDBTable[uNodeIndex].byTopCCKBasicRate), &(pMgmt->sNodeDBTable[uNodeIndex].byTopOFDMBasicRate) ); pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble = WLAN_GET_CAP_INFO_SHORTPREAMBLE(*sFrame.pwCapInfo); pMgmt->sNodeDBTable[uNodeIndex].bShortSlotTime = WLAN_GET_CAP_INFO_SHORTSLOTTIME(*sFrame.pwCapInfo); pMgmt->sNodeDBTable[uNodeIndex].uInActiveCount = 0; } else { // Todo, initial Node content BSSvCreateOneNode((PSDevice)pDevice, &uNodeIndex); pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)sFrame.pSuppRates, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, WLAN_RATES_MAXLEN_11B); RATEvParseMaxRate((void *)pDevice, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, NULL, TRUE, &(pMgmt->sNodeDBTable[uNodeIndex].wMaxBasicRate), &(pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate), &(pMgmt->sNodeDBTable[uNodeIndex].wSuppRate), &(pMgmt->sNodeDBTable[uNodeIndex].byTopCCKBasicRate), &(pMgmt->sNodeDBTable[uNodeIndex].byTopOFDMBasicRate) ); memcpy(pMgmt->sNodeDBTable[uNodeIndex].abyMACAddr, sFrame.pHdr->sA3.abyAddr2, WLAN_ADDR_LEN); pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble = WLAN_GET_CAP_INFO_SHORTPREAMBLE(*sFrame.pwCapInfo); pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate = pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate; /* pMgmt->sNodeDBTable[uNodeIndex].bShortSlotTime = WLAN_GET_CAP_INFO_SHORTSLOTTIME(*sFrame.pwCapInfo); if(pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate > RATE_11M) pMgmt->sNodeDBTable[uNodeIndex].bERPExist = TRUE; */ } // if other stations jointed, indicate connect to upper layer.. if (pMgmt->eCurrState == WMAC_STATE_STARTED) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Current IBSS State: [Started]........to: [Jointed] \n"); pMgmt->eCurrState = WMAC_STATE_JOINTED; pDevice->bLinkPass = TRUE; ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_INTER); if (netif_queue_stopped(pDevice->dev)){ netif_wake_queue(pDevice->dev); } pMgmt->sNodeDBTable[0].bActive = TRUE; pMgmt->sNodeDBTable[0].uInActiveCount = 0; } } else if (bIsSSIDEqual) { // See other adhoc sta with the same SSID but BSSID is different. // adpot this vars only when TSF larger then us. if (bTSFLargeDiff && bTSFOffsetPostive) { // we don't support ATIM under adhoc mode // if ( sFrame.pIBSSParms->wATIMWindow == 0) { // adpot this vars // TODO: check sFrame cap if privacy on, and support rate syn memcpy(pMgmt->abyCurrBSSID, sFrame.pHdr->sA3.abyAddr3, WLAN_BSSID_LEN); memcpy(pDevice->abyBSSID, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN); pMgmt->wCurrATIMWindow = cpu_to_le16(sFrame.pIBSSParms->wATIMWindow); pMgmt->wCurrBeaconPeriod = cpu_to_le16(*sFrame.pwBeaconInterval); pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)sFrame.pSuppRates, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, WLAN_RATES_MAXLEN_11B); // set HW beacon interval and re-synchronizing.... DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Rejoining to Other Adhoc group with same SSID........\n"); MACvWriteBeaconInterval(pDevice, pMgmt->wCurrBeaconPeriod); CARDvAdjustTSF(pDevice, pRxPacket->byRxRate, qwTimestamp, pRxPacket->qwLocalTSF); CARDvUpdateNextTBTT(pDevice, qwTimestamp, pMgmt->wCurrBeaconPeriod); // Turn off bssid filter to avoid filter others adhoc station which bssid is different. MACvWriteBSSIDAddress(pDevice, pMgmt->abyCurrBSSID); byOldPreambleType = pDevice->byPreambleType; if (WLAN_GET_CAP_INFO_SHORTPREAMBLE(*sFrame.pwCapInfo)) { pDevice->byPreambleType = pDevice->byShortPreamble; } else { pDevice->byPreambleType = 0; } if (pDevice->byPreambleType != byOldPreambleType) CARDvSetRSPINF(pDevice, (BYTE)pDevice->byBBType); // MACvRegBitsOff(pDevice->PortOffset, MAC_REG_RCR, RCR_BSSID); // set highest basic rate // s_vSetHighestBasicRate(pDevice, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates); // Prepare beacon frame bMgrPrepareBeaconToSend((void *) pDevice, pMgmt); // } } } } // endian issue ??? // Update TSF if (bUpdateTSF) { CARDbGetCurrentTSF(pDevice, &qwCurrTSF); CARDvAdjustTSF(pDevice, pRxPacket->byRxRate, qwTimestamp , pRxPacket->qwLocalTSF); CARDbGetCurrentTSF(pDevice, &qwCurrTSF); CARDvUpdateNextTBTT(pDevice, qwTimestamp, pMgmt->wCurrBeaconPeriod); } return; } /*+ * * Routine Description: * Instructs the hw to create a bss using the supplied * attributes. Note that this implementation only supports Ad-Hoc * BSS creation. * * * Return Value: * CMD_STATUS * -*/ void vMgrCreateOwnIBSS(void *hDeviceContext, PCMD_STATUS pStatus) { PSDevice pDevice = (PSDevice)hDeviceContext; PSMgmtObject pMgmt = &(pDevice->sMgmtObj); WORD wMaxBasicRate; WORD wMaxSuppRate; BYTE byTopCCKBasicRate; BYTE byTopOFDMBasicRate; QWORD qwCurrTSF; unsigned int ii; BYTE abyRATE[] = {0x82, 0x84, 0x8B, 0x96, 0x24, 0x30, 0x48, 0x6C, 0x0C, 0x12, 0x18, 0x60}; BYTE abyCCK_RATE[] = {0x82, 0x84, 0x8B, 0x96}; BYTE abyOFDM_RATE[] = {0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C}; WORD wSuppRate; HIDWORD(qwCurrTSF) = 0; LODWORD(qwCurrTSF) = 0; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Create Basic Service Set .......\n"); if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) { if ((pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) && (pDevice->eEncryptionStatus != Ndis802_11Encryption2Enabled) && (pDevice->eEncryptionStatus != Ndis802_11Encryption3Enabled)) { // encryption mode error *pStatus = CMD_STATUS_FAILURE; return; } } pMgmt->abyCurrSuppRates[0] = WLAN_EID_SUPP_RATES; pMgmt->abyCurrExtSuppRates[0] = WLAN_EID_EXTSUPP_RATES; if (pMgmt->eConfigMode == WMAC_CONFIG_AP) { pMgmt->eCurrentPHYMode = pMgmt->byAPBBType; } else { if (pDevice->byBBType == BB_TYPE_11G) pMgmt->eCurrentPHYMode = PHY_TYPE_11G; if (pDevice->byBBType == BB_TYPE_11B) pMgmt->eCurrentPHYMode = PHY_TYPE_11B; if (pDevice->byBBType == BB_TYPE_11A) pMgmt->eCurrentPHYMode = PHY_TYPE_11A; } if (pMgmt->eCurrentPHYMode != PHY_TYPE_11A) { pMgmt->abyCurrSuppRates[1] = WLAN_RATES_MAXLEN_11B; pMgmt->abyCurrExtSuppRates[1] = 0; for (ii = 0; ii < 4; ii++) pMgmt->abyCurrSuppRates[2+ii] = abyRATE[ii]; } else { pMgmt->abyCurrSuppRates[1] = 8; pMgmt->abyCurrExtSuppRates[1] = 0; for (ii = 0; ii < 8; ii++) pMgmt->abyCurrSuppRates[2+ii] = abyRATE[ii]; } if (pMgmt->eCurrentPHYMode == PHY_TYPE_11G) { pMgmt->abyCurrSuppRates[1] = 8; pMgmt->abyCurrExtSuppRates[1] = 4; for (ii = 0; ii < 4; ii++) pMgmt->abyCurrSuppRates[2+ii] = abyCCK_RATE[ii]; for (ii = 4; ii < 8; ii++) pMgmt->abyCurrSuppRates[2+ii] = abyOFDM_RATE[ii-4]; for (ii = 0; ii < 4; ii++) pMgmt->abyCurrExtSuppRates[2+ii] = abyOFDM_RATE[ii+4]; } // Disable Protect Mode pDevice->bProtectMode = 0; MACvDisableProtectMD(pDevice); pDevice->bBarkerPreambleMd = 0; MACvDisableBarkerPreambleMd(pDevice); // Kyle Test 2003.11.04 // set HW beacon interval if (pMgmt->wIBSSBeaconPeriod == 0) pMgmt->wIBSSBeaconPeriod = DEFAULT_IBSS_BI; MACvWriteBeaconInterval(pDevice, pMgmt->wIBSSBeaconPeriod); CARDbGetCurrentTSF(pDevice, &qwCurrTSF); // clear TSF counter CARDbClearCurrentTSF(pDevice); // enable TSF counter MACvRegBitsOn(pDevice,MAC_REG_TFTCTL,TFTCTL_TSFCNTREN); // set Next TBTT CARDvSetFirstNextTBTT(pDevice, pMgmt->wIBSSBeaconPeriod); pMgmt->uIBSSChannel = pDevice->uChannel; if (pMgmt->uIBSSChannel == 0) pMgmt->uIBSSChannel = DEFAULT_IBSS_CHANNEL; // set channel and clear NAV CARDbSetMediaChannel(pDevice, pMgmt->uIBSSChannel); pMgmt->uCurrChannel = pMgmt->uIBSSChannel; pDevice->byPreambleType = pDevice->byShortPreamble; // set basic rate RATEvParseMaxRate((void *)pDevice, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates, TRUE, &wMaxBasicRate, &wMaxSuppRate, &wSuppRate, &byTopCCKBasicRate, &byTopOFDMBasicRate); if (pDevice->byBBType == BB_TYPE_11A) { pDevice->bShortSlotTime = TRUE; } else { pDevice->bShortSlotTime = FALSE; } BBvSetShortSlotTime(pDevice); // vUpdateIFS() use pDevice->bShortSlotTime as parameter so it must be called // after setting ShortSlotTime. // CARDvSetBSSMode call vUpdateIFS() CARDvSetBSSMode(pDevice); if (pMgmt->eConfigMode == WMAC_CONFIG_AP) { MACvRegBitsOn(pDevice, MAC_REG_HOSTCR, HOSTCR_AP); pMgmt->eCurrMode = WMAC_MODE_ESS_AP; } if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) { MACvRegBitsOn(pDevice, MAC_REG_HOSTCR, HOSTCR_ADHOC); pMgmt->eCurrMode = WMAC_MODE_IBSS_STA; } // Adopt pre-configured IBSS vars to current vars pMgmt->eCurrState = WMAC_STATE_STARTED; pMgmt->wCurrBeaconPeriod = pMgmt->wIBSSBeaconPeriod; pMgmt->uCurrChannel = pMgmt->uIBSSChannel; pMgmt->wCurrATIMWindow = pMgmt->wIBSSATIMWindow; pDevice->uCurrRSSI = 0; pDevice->byCurrSQ = 0; memcpy(pMgmt->abyDesireSSID,pMgmt->abyAdHocSSID, ((PWLAN_IE_SSID)pMgmt->abyAdHocSSID)->len + WLAN_IEHDR_LEN); memset(pMgmt->abyCurrSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1); memcpy(pMgmt->abyCurrSSID, pMgmt->abyDesireSSID, ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->len + WLAN_IEHDR_LEN ); if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { // AP mode BSSID = MAC addr memcpy(pMgmt->abyCurrBSSID, pMgmt->abyMACAddr, WLAN_ADDR_LEN); DBG_PRT(MSG_LEVEL_INFO, KERN_INFO"AP beacon created BSSID:" "%pM\n", pMgmt->abyCurrBSSID); } if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) { // BSSID selected must be randomized as spec 11.1.3 pMgmt->abyCurrBSSID[5] = (BYTE) (LODWORD(qwCurrTSF)& 0x000000ff); pMgmt->abyCurrBSSID[4] = (BYTE)((LODWORD(qwCurrTSF)& 0x0000ff00) >> 8); pMgmt->abyCurrBSSID[3] = (BYTE)((LODWORD(qwCurrTSF)& 0x00ff0000) >> 16); pMgmt->abyCurrBSSID[2] = (BYTE)((LODWORD(qwCurrTSF)& 0x00000ff0) >> 4); pMgmt->abyCurrBSSID[1] = (BYTE)((LODWORD(qwCurrTSF)& 0x000ff000) >> 12); pMgmt->abyCurrBSSID[0] = (BYTE)((LODWORD(qwCurrTSF)& 0x0ff00000) >> 20); pMgmt->abyCurrBSSID[5] ^= pMgmt->abyMACAddr[0]; pMgmt->abyCurrBSSID[4] ^= pMgmt->abyMACAddr[1]; pMgmt->abyCurrBSSID[3] ^= pMgmt->abyMACAddr[2]; pMgmt->abyCurrBSSID[2] ^= pMgmt->abyMACAddr[3]; pMgmt->abyCurrBSSID[1] ^= pMgmt->abyMACAddr[4]; pMgmt->abyCurrBSSID[0] ^= pMgmt->abyMACAddr[5]; pMgmt->abyCurrBSSID[0] &= ~IEEE_ADDR_GROUP; pMgmt->abyCurrBSSID[0] |= IEEE_ADDR_UNIVERSAL; DBG_PRT(MSG_LEVEL_INFO, KERN_INFO"Adhoc beacon created bssid:" "%pM\n", pMgmt->abyCurrBSSID); } // set BSSID filter MACvWriteBSSIDAddress(pDevice, pMgmt->abyCurrBSSID); memcpy(pDevice->abyBSSID, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN); MACvRegBitsOn(pDevice, MAC_REG_RCR, RCR_BSSID); pDevice->byRxMode |= RCR_BSSID; pMgmt->bCurrBSSIDFilterOn = TRUE; // Set Capability Info pMgmt->wCurrCapInfo = 0; if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_ESS(1); pMgmt->byDTIMPeriod = DEFAULT_DTIM_PERIOD; pMgmt->byDTIMCount = pMgmt->byDTIMPeriod - 1; pDevice->eOPMode = OP_MODE_AP; } if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) { pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_IBSS(1); pDevice->eOPMode = OP_MODE_ADHOC; } if (pDevice->bEncryptionEnable) { pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_PRIVACY(1); if (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) { if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) { pMgmt->byCSSPK = KEY_CTL_CCMP; pMgmt->byCSSGK = KEY_CTL_CCMP; } else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) { pMgmt->byCSSPK = KEY_CTL_TKIP; pMgmt->byCSSGK = KEY_CTL_TKIP; } else { pMgmt->byCSSPK = KEY_CTL_NONE; pMgmt->byCSSGK = KEY_CTL_WEP; } } else { pMgmt->byCSSPK = KEY_CTL_WEP; pMgmt->byCSSGK = KEY_CTL_WEP; } } pMgmt->byERPContext = 0; if (pDevice->byPreambleType == 1) { pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_SHORTPREAMBLE(1); } else { pMgmt->wCurrCapInfo &= (~WLAN_SET_CAP_INFO_SHORTPREAMBLE(1)); } pMgmt->eCurrState = WMAC_STATE_STARTED; // Prepare beacon to send if (bMgrPrepareBeaconToSend((void *) pDevice, pMgmt)) *pStatus = CMD_STATUS_SUCCESS; return; } /*+ * * Routine Description: * Instructs wmac to join a bss using the supplied attributes. * The arguments may the BSSID or SSID and the rest of the * attributes are obtained from the scan result of known bss list. * * * Return Value: * None. * -*/ void vMgrJoinBSSBegin(void *hDeviceContext, PCMD_STATUS pStatus) { PSDevice pDevice = (PSDevice)hDeviceContext; PSMgmtObject pMgmt = &(pDevice->sMgmtObj); PKnownBSS pCurr = NULL; unsigned int ii, uu; PWLAN_IE_SUPP_RATES pItemRates = NULL; PWLAN_IE_SUPP_RATES pItemExtRates = NULL; PWLAN_IE_SSID pItemSSID; unsigned int uRateLen = WLAN_RATES_MAXLEN; WORD wMaxBasicRate = RATE_1M; WORD wMaxSuppRate = RATE_1M; WORD wSuppRate; BYTE byTopCCKBasicRate = RATE_1M; BYTE byTopOFDMBasicRate = RATE_1M; BOOL bShortSlotTime = FALSE; for (ii = 0; ii < MAX_BSS_NUM; ii++) { if (pMgmt->sBSSList[ii].bActive == TRUE) break; } if (ii == MAX_BSS_NUM) { *pStatus = CMD_STATUS_RESOURCES; DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "BSS finding:BSS list is empty.\n"); return; } // memset(pMgmt->abyDesireBSSID, 0, WLAN_BSSID_LEN); // Search known BSS list for prefer BSSID or SSID pCurr = BSSpSearchBSSList(pDevice, pMgmt->abyDesireBSSID, pMgmt->abyDesireSSID, pDevice->eConfigPHYMode ); if (pCurr == NULL){ *pStatus = CMD_STATUS_RESOURCES; pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID; DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Scanning [%s] not found, disconnected !\n", pItemSSID->abySSID); return; } DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "AP(BSS) finding:Found a AP(BSS)..\n"); if (WLAN_GET_CAP_INFO_ESS(cpu_to_le16(pCurr->wCapInfo))){ if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) || (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK)) { /* if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) { if (WPA_SearchRSN(0, WPA_TKIP, pCurr) == FALSE) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"No match RSN info. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n"); // encryption mode error pMgmt->eCurrState = WMAC_STATE_IDLE; return; } } else if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) { if (WPA_SearchRSN(0, WPA_AESCCMP, pCurr) == FALSE) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"No match RSN info. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n"); // encryption mode error pMgmt->eCurrState = WMAC_STATE_IDLE; return; } } */ } #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT //if(pDevice->bWPASuppWextEnabled == TRUE) Encyption_Rebuild(pDevice, pCurr); #endif // Infrastructure BSS s_vMgrSynchBSS(pDevice, WMAC_MODE_ESS_STA, pCurr, pStatus ); if (*pStatus == CMD_STATUS_SUCCESS){ // Adopt this BSS state vars in Mgmt Object pMgmt->uCurrChannel = pCurr->uChannel; memset(pMgmt->abyCurrSuppRates, 0 , WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1); memset(pMgmt->abyCurrExtSuppRates, 0 , WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1); if (pCurr->eNetworkTypeInUse == PHY_TYPE_11B) { uRateLen = WLAN_RATES_MAXLEN_11B; } pItemRates = (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates; pItemExtRates = (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates; // Parse Support Rate IE pItemRates->byElementID = WLAN_EID_SUPP_RATES; pItemRates->len = RATEuSetIE((PWLAN_IE_SUPP_RATES)pCurr->abySuppRates, pItemRates, uRateLen); // Parse Extension Support Rate IE pItemExtRates->byElementID = WLAN_EID_EXTSUPP_RATES; pItemExtRates->len = RATEuSetIE((PWLAN_IE_SUPP_RATES)pCurr->abyExtSuppRates, pItemExtRates, uRateLen); // Stuffing Rate IE if ((pItemExtRates->len > 0) && (pItemRates->len < 8)) { for (ii = 0; ii < (unsigned int) (8 - pItemRates->len); ) { pItemRates->abyRates[pItemRates->len + ii] = pItemExtRates->abyRates[ii]; ii++; if (pItemExtRates->len <= ii) break; } pItemRates->len += (BYTE)ii; if (pItemExtRates->len - ii > 0) { pItemExtRates->len -= (BYTE)ii; for (uu = 0; uu < pItemExtRates->len; uu ++) { pItemExtRates->abyRates[uu] = pItemExtRates->abyRates[uu + ii]; } } else { pItemExtRates->len = 0; } } RATEvParseMaxRate((void *)pDevice, pItemRates, pItemExtRates, TRUE, &wMaxBasicRate, &wMaxSuppRate, &wSuppRate, &byTopCCKBasicRate, &byTopOFDMBasicRate); vUpdateIFS(pDevice); // TODO: deal with if wCapInfo the privacy is on, but station WEP is off // TODO: deal with if wCapInfo the PS-Pollable is on. pMgmt->wCurrBeaconPeriod = pCurr->wBeaconInterval; memset(pMgmt->abyCurrSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1); memcpy(pMgmt->abyCurrBSSID, pCurr->abyBSSID, WLAN_BSSID_LEN); memcpy(pMgmt->abyCurrSSID, pCurr->abySSID, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1); pMgmt->eCurrMode = WMAC_MODE_ESS_STA; pMgmt->eCurrState = WMAC_STATE_JOINTED; // Adopt BSS state in Adapter Device Object pDevice->eOPMode = OP_MODE_INFRASTRUCTURE; memcpy(pDevice->abyBSSID, pCurr->abyBSSID, WLAN_BSSID_LEN); // Add current BSS to Candidate list // This should only works for WPA2 BSS, and WPA2 BSS check must be done before. if (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) { BOOL bResult = bAdd_PMKID_Candidate((void *) pDevice, pMgmt->abyCurrBSSID, &pCurr->sRSNCapObj); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"bAdd_PMKID_Candidate: 1(%d)\n", bResult); if (bResult == FALSE) { vFlush_PMKID_Candidate((void *) pDevice); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "vFlush_PMKID_Candidate: 4\n"); bAdd_PMKID_Candidate((void *) pDevice, pMgmt->abyCurrBSSID, &pCurr->sRSNCapObj); } } // Preamble type auto-switch: if AP can receive short-preamble cap, // we can turn on too. if (WLAN_GET_CAP_INFO_SHORTPREAMBLE(pCurr->wCapInfo)) { pDevice->byPreambleType = pDevice->byShortPreamble; } else { pDevice->byPreambleType = 0; } // Change PreambleType must set RSPINF again CARDvSetRSPINF(pDevice, (BYTE)pDevice->byBBType); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Join ESS\n"); if (pCurr->eNetworkTypeInUse == PHY_TYPE_11G) { if ((pCurr->sERP.byERP & WLAN_EID_ERP_USE_PROTECTION) != pDevice->bProtectMode) {//0000 0010 pDevice->bProtectMode = (pCurr->sERP.byERP & WLAN_EID_ERP_USE_PROTECTION); if (pDevice->bProtectMode) { MACvEnableProtectMD(pDevice); } else { MACvDisableProtectMD(pDevice); } vUpdateIFS(pDevice); } if ((pCurr->sERP.byERP & WLAN_EID_ERP_NONERP_PRESENT) != pDevice->bNonERPPresent) {//0000 0001 pDevice->bNonERPPresent = (pCurr->sERP.byERP & WLAN_EID_ERP_USE_PROTECTION); } if ((pCurr->sERP.byERP & WLAN_EID_ERP_BARKER_MODE) != pDevice->bBarkerPreambleMd) {//0000 0100 pDevice->bBarkerPreambleMd = (pCurr->sERP.byERP & WLAN_EID_ERP_BARKER_MODE); //BarkerPreambleMd has higher priority than shortPreamble bit in Cap if (pDevice->bBarkerPreambleMd) { MACvEnableBarkerPreambleMd(pDevice); } else { MACvDisableBarkerPreambleMd(pDevice); } } } //DBG_PRN_WLAN05(("wCapInfo: %X\n", pCurr->wCapInfo)); if (WLAN_GET_CAP_INFO_SHORTSLOTTIME(pCurr->wCapInfo) != pDevice->bShortSlotTime) { if (pDevice->byBBType == BB_TYPE_11A) { bShortSlotTime = TRUE; } else if (pDevice->byBBType == BB_TYPE_11B) { bShortSlotTime = FALSE; } else { bShortSlotTime = WLAN_GET_CAP_INFO_SHORTSLOTTIME(pCurr->wCapInfo); } //DBG_PRN_WLAN05(("Set Short Slot Time: %d\n", pDevice->bShortSlotTime)); if (bShortSlotTime != pDevice->bShortSlotTime) { pDevice->bShortSlotTime = bShortSlotTime; BBvSetShortSlotTime(pDevice); vUpdateIFS(pDevice); } } DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"End of Join AP -- A/B/G Action\n"); } else { pMgmt->eCurrState = WMAC_STATE_IDLE; }; } else { // ad-hoc mode BSS if (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) { if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) { /* if (WPA_SearchRSN(0, WPA_TKIP, pCurr) == FALSE) { // encryption mode error pMgmt->eCurrState = WMAC_STATE_IDLE; return; } */ } else if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) { /* if (WPA_SearchRSN(0, WPA_AESCCMP, pCurr) == FALSE) { // encryption mode error pMgmt->eCurrState = WMAC_STATE_IDLE; return; } */ } else { // encryption mode error pMgmt->eCurrState = WMAC_STATE_IDLE; return; } } s_vMgrSynchBSS(pDevice, WMAC_MODE_IBSS_STA, pCurr, pStatus ); if (*pStatus == CMD_STATUS_SUCCESS){ // Adopt this BSS state vars in Mgmt Object // TODO: check if CapInfo privacy on, but we don't.. pMgmt->uCurrChannel = pCurr->uChannel; // Parse Support Rate IE pMgmt->abyCurrSuppRates[0] = WLAN_EID_SUPP_RATES; pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pCurr->abySuppRates, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, WLAN_RATES_MAXLEN_11B); // set basic rate RATEvParseMaxRate((void *)pDevice, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, NULL, TRUE, &wMaxBasicRate, &wMaxSuppRate, &wSuppRate, &byTopCCKBasicRate, &byTopOFDMBasicRate); vUpdateIFS(pDevice); pMgmt->wCurrCapInfo = pCurr->wCapInfo; pMgmt->wCurrBeaconPeriod = pCurr->wBeaconInterval; memset(pMgmt->abyCurrSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN); memcpy(pMgmt->abyCurrBSSID, pCurr->abyBSSID, WLAN_BSSID_LEN); memcpy(pMgmt->abyCurrSSID, pCurr->abySSID, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN); // pMgmt->wCurrATIMWindow = pCurr->wATIMWindow; pMgmt->eCurrMode = WMAC_MODE_IBSS_STA; pMgmt->eCurrState = WMAC_STATE_STARTED; // Adopt BSS state in Adapter Device Object pDevice->eOPMode = OP_MODE_ADHOC; pDevice->bLinkPass = TRUE; ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_INTER); memcpy(pDevice->abyBSSID, pCurr->abyBSSID, WLAN_BSSID_LEN); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Join IBSS ok:%pM\n", pMgmt->abyCurrBSSID); // Preamble type auto-switch: if AP can receive short-preamble cap, // and if registry setting is short preamble we can turn on too. if (WLAN_GET_CAP_INFO_SHORTPREAMBLE(pCurr->wCapInfo)) { pDevice->byPreambleType = pDevice->byShortPreamble; } else { pDevice->byPreambleType = 0; } // Change PreambleType must set RSPINF again CARDvSetRSPINF(pDevice, (BYTE)pDevice->byBBType); // Prepare beacon bMgrPrepareBeaconToSend((void *) pDevice, pMgmt); } else { pMgmt->eCurrState = WMAC_STATE_IDLE; }; }; return; } /*+ * * Routine Description: * Set HW to synchronize a specific BSS from known BSS list. * * * Return Value: * PCM_STATUS * -*/ static void s_vMgrSynchBSS ( PSDevice pDevice, unsigned int uBSSMode, PKnownBSS pCurr, PCMD_STATUS pStatus ) { PSMgmtObject pMgmt = &(pDevice->sMgmtObj); //1M, 2M, 5M, 11M, 18M, 24M, 36M, 54M BYTE abyCurrSuppRatesG[] = {WLAN_EID_SUPP_RATES, 8, 0x02, 0x04, 0x0B, 0x16, 0x24, 0x30, 0x48, 0x6C}; BYTE abyCurrExtSuppRatesG[] = {WLAN_EID_EXTSUPP_RATES, 4, 0x0C, 0x12, 0x18, 0x60}; //6M, 9M, 12M, 48M BYTE abyCurrSuppRatesA[] = {WLAN_EID_SUPP_RATES, 8, 0x0C, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C}; BYTE abyCurrSuppRatesB[] = {WLAN_EID_SUPP_RATES, 4, 0x02, 0x04, 0x0B, 0x16}; *pStatus = CMD_STATUS_FAILURE; if (s_bCipherMatch(pCurr, pDevice->eEncryptionStatus, &(pMgmt->byCSSPK), &(pMgmt->byCSSGK)) == FALSE) { DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "s_bCipherMatch Fail .......\n"); return; } pMgmt->pCurrBSS = pCurr; // if previous mode is IBSS. if(pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) { MACvRegBitsOff(pDevice, MAC_REG_TCR, TCR_AUTOBCNTX); } // Init the BSS informations pDevice->bCCK = TRUE; pDevice->bProtectMode = FALSE; MACvDisableProtectMD(pDevice); pDevice->bBarkerPreambleMd = FALSE; MACvDisableBarkerPreambleMd(pDevice); pDevice->bNonERPPresent = FALSE; pDevice->byPreambleType = 0; pDevice->wBasicRate = 0; // Set Basic Rate CARDbAddBasicRate((void *)pDevice, RATE_1M); // calculate TSF offset // TSF Offset = Received Timestamp TSF - Marked Local's TSF CARDvAdjustTSF(pDevice, pCurr->byRxRate, pCurr->qwBSSTimestamp, pCurr->qwLocalTSF); // set HW beacon interval MACvWriteBeaconInterval(pDevice, pCurr->wBeaconInterval); // set Next TBTT // Next TBTT = ((local_current_TSF / beacon_interval) + 1 ) * beacon_interval CARDvSetFirstNextTBTT(pDevice, pCurr->wBeaconInterval); // set BSSID MACvWriteBSSIDAddress(pDevice, pCurr->abyBSSID); memcpy(pMgmt->abyCurrBSSID, pCurr->abyBSSID, 6); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Sync:set CurrBSSID address = " "%pM\n", pMgmt->abyCurrBSSID); if (pCurr->eNetworkTypeInUse == PHY_TYPE_11A) { if ((pDevice->eConfigPHYMode == PHY_TYPE_11A) || (pDevice->eConfigPHYMode == PHY_TYPE_AUTO)) { pDevice->byBBType = BB_TYPE_11A; pMgmt->eCurrentPHYMode = PHY_TYPE_11A; pDevice->bShortSlotTime = TRUE; BBvSetShortSlotTime(pDevice); CARDvSetBSSMode(pDevice); } else { return; } } else if (pCurr->eNetworkTypeInUse == PHY_TYPE_11B) { if ((pDevice->eConfigPHYMode == PHY_TYPE_11B) || (pDevice->eConfigPHYMode == PHY_TYPE_11G) || (pDevice->eConfigPHYMode == PHY_TYPE_AUTO)) { pDevice->byBBType = BB_TYPE_11B; pMgmt->eCurrentPHYMode = PHY_TYPE_11B; pDevice->bShortSlotTime = FALSE; BBvSetShortSlotTime(pDevice); CARDvSetBSSMode(pDevice); } else { return; } } else { if ((pDevice->eConfigPHYMode == PHY_TYPE_11G) || (pDevice->eConfigPHYMode == PHY_TYPE_AUTO)) { pDevice->byBBType = BB_TYPE_11G; pMgmt->eCurrentPHYMode = PHY_TYPE_11G; pDevice->bShortSlotTime = TRUE; BBvSetShortSlotTime(pDevice); CARDvSetBSSMode(pDevice); } else if (pDevice->eConfigPHYMode == PHY_TYPE_11B) { pDevice->byBBType = BB_TYPE_11B; pDevice->bShortSlotTime = FALSE; BBvSetShortSlotTime(pDevice); CARDvSetBSSMode(pDevice); } else { return; } } if (uBSSMode == WMAC_MODE_ESS_STA) { MACvRegBitsOff(pDevice, MAC_REG_HOSTCR, HOSTCR_ADHOC); MACvRegBitsOn(pDevice, MAC_REG_RCR, RCR_BSSID); pDevice->byRxMode |= RCR_BSSID; pMgmt->bCurrBSSIDFilterOn = TRUE; } // set channel and clear NAV CARDbSetMediaChannel(pDevice, pCurr->uChannel); pMgmt->uCurrChannel = pCurr->uChannel; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "<----s_bSynchBSS Set Channel [%d]\n", pCurr->uChannel); if ((pDevice->bUpdateBBVGA) && (pDevice->byBBVGACurrent != pDevice->abyBBVGA[0])) { pDevice->byBBVGACurrent = pDevice->abyBBVGA[0]; BBvSetVGAGainOffset(pDevice, pDevice->byBBVGACurrent); BBvSetShortSlotTime(pDevice); } // // Notes: // 1. In Ad-hoc mode : check if received others beacon as jointed indication, // otherwise we will start own IBSS. // 2. In Infra mode : Supposed we already synchronized with AP right now. if (uBSSMode == WMAC_MODE_IBSS_STA) { MACvRegBitsOn(pDevice, MAC_REG_HOSTCR, HOSTCR_ADHOC); MACvRegBitsOn(pDevice, MAC_REG_RCR, RCR_BSSID); pDevice->byRxMode |= RCR_BSSID; pMgmt->bCurrBSSIDFilterOn = TRUE; } if (pDevice->byBBType == BB_TYPE_11A) { memcpy(pMgmt->abyCurrSuppRates, &abyCurrSuppRatesA[0], sizeof(abyCurrSuppRatesA)); pMgmt->abyCurrExtSuppRates[1] = 0; } else if (pDevice->byBBType == BB_TYPE_11B) { memcpy(pMgmt->abyCurrSuppRates, &abyCurrSuppRatesB[0], sizeof(abyCurrSuppRatesB)); pMgmt->abyCurrExtSuppRates[1] = 0; } else { memcpy(pMgmt->abyCurrSuppRates, &abyCurrSuppRatesG[0], sizeof(abyCurrSuppRatesG)); memcpy(pMgmt->abyCurrExtSuppRates, &abyCurrExtSuppRatesG[0], sizeof(abyCurrExtSuppRatesG)); } pMgmt->byERPContext = pCurr->sERP.byERP; *pStatus = CMD_STATUS_SUCCESS; return; }; //mike add: fix NetworkManager 0.7.0 hidden ssid mode in WPA encryption // ,need reset eAuthenMode and eEncryptionStatus static void Encyption_Rebuild( PSDevice pDevice, PKnownBSS pCurr ) { PSMgmtObject pMgmt = &(pDevice->sMgmtObj); /* unsigned int ii, uSameBssidNum=0; */ // if( uSameBssidNum>=2) { //we only check AP in hidden sssid mode if ((pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) || //networkmanager 0.7.0 does not give the pairwise-key selsection, (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) { // so we need re-selsect it according to real pairwise-key info. if(pCurr->bWPAValid == TRUE) { //WPA-PSK pMgmt->eAuthenMode = WMAC_AUTH_WPAPSK; if(pCurr->abyPKType[0] == WPA_TKIP) { pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled; //TKIP PRINT_K("Encyption_Rebuild--->ssid reset config to [WPAPSK-TKIP]\n"); } else if(pCurr->abyPKType[0] == WPA_AESCCMP) { pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled; //AES PRINT_K("Encyption_Rebuild--->ssid reset config to [WPAPSK-AES]\n"); } } else if(pCurr->bWPA2Valid == TRUE) { //WPA2-PSK pMgmt->eAuthenMode = WMAC_AUTH_WPA2PSK; if(pCurr->abyCSSPK[0] == WLAN_11i_CSS_TKIP) { pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled; //TKIP PRINT_K("Encyption_Rebuild--->ssid reset config to [WPA2PSK-TKIP]\n"); } else if(pCurr->abyCSSPK[0] == WLAN_11i_CSS_CCMP) { pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled; //AES PRINT_K("Encyption_Rebuild--->ssid reset config to [WPA2PSK-AES]\n"); } } } // } return; } /*+ * * Routine Description: * Format TIM field * * * Return Value: * void * -*/ static void s_vMgrFormatTIM( PSMgmtObject pMgmt, PWLAN_IE_TIM pTIM ) { BYTE byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80}; BYTE byMap; unsigned int ii, jj; BOOL bStartFound = FALSE; BOOL bMulticast = FALSE; WORD wStartIndex = 0; WORD wEndIndex = 0; // Find size of partial virtual bitmap for (ii = 0; ii < (MAX_NODE_NUM + 1); ii++) { byMap = pMgmt->abyPSTxMap[ii]; if (!ii) { // Mask out the broadcast bit which is indicated separately. bMulticast = (byMap & byMask[0]) != 0; if(bMulticast) { pMgmt->sNodeDBTable[0].bRxPSPoll = TRUE; } byMap = 0; } if (byMap) { if (!bStartFound) { bStartFound = TRUE; wStartIndex = (WORD)ii; } wEndIndex = (WORD)ii; } } // Round start index down to nearest even number wStartIndex &= ~BIT0; // Round end index up to nearest even number wEndIndex = ((wEndIndex + 1) & ~BIT0); // Size of element payload pTIM->len = 3 + (wEndIndex - wStartIndex) + 1; // Fill in the Fixed parts of the TIM pTIM->byDTIMCount = pMgmt->byDTIMCount; pTIM->byDTIMPeriod = pMgmt->byDTIMPeriod; pTIM->byBitMapCtl = (bMulticast ? TIM_MULTICAST_MASK : 0) | (((wStartIndex >> 1) << 1) & TIM_BITMAPOFFSET_MASK); // Append variable part of TIM for (ii = wStartIndex, jj =0 ; ii <= wEndIndex; ii++, jj++) { pTIM->byVirtBitMap[jj] = pMgmt->abyPSTxMap[ii]; } // Aid = 0 don't used. pTIM->byVirtBitMap[0] &= ~BIT0; } /*+ * * Routine Description: * Constructs an Beacon frame( Ad-hoc mode) * * * Return Value: * PTR to frame; or NULL on allocation failue * -*/ static PSTxMgmtPacket s_MgrMakeBeacon( PSDevice pDevice, PSMgmtObject pMgmt, WORD wCurrCapInfo, WORD wCurrBeaconPeriod, unsigned int uCurrChannel, WORD wCurrATIMWinodw, PWLAN_IE_SSID pCurrSSID, PBYTE pCurrBSSID, PWLAN_IE_SUPP_RATES pCurrSuppRates, PWLAN_IE_SUPP_RATES pCurrExtSuppRates ) { PSTxMgmtPacket pTxPacket = NULL; WLAN_FR_BEACON sFrame; BYTE abyBroadcastAddr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; // prepare beacon frame pTxPacket = (PSTxMgmtPacket)pMgmt->pbyMgmtPacketPool; memset(pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_BEACON_FR_MAXLEN); pTxPacket->p80211Header = (PUWLAN_80211HDR)((PBYTE)pTxPacket + sizeof(STxMgmtPacket)); // Setup the sFrame structure. sFrame.pBuf = (PBYTE)pTxPacket->p80211Header; sFrame.len = WLAN_BEACON_FR_MAXLEN; vMgrEncodeBeacon(&sFrame); // Setup the header sFrame.pHdr->sA3.wFrameCtl = cpu_to_le16( ( WLAN_SET_FC_FTYPE(WLAN_TYPE_MGR) | WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_BEACON) )); if (pDevice->bEnablePSMode) { sFrame.pHdr->sA3.wFrameCtl |= cpu_to_le16((WORD)WLAN_SET_FC_PWRMGT(1)); } memcpy( sFrame.pHdr->sA3.abyAddr1, abyBroadcastAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr3, pCurrBSSID, WLAN_BSSID_LEN); *sFrame.pwBeaconInterval = cpu_to_le16(wCurrBeaconPeriod); *sFrame.pwCapInfo = cpu_to_le16(wCurrCapInfo); // Copy SSID sFrame.pSSID = (PWLAN_IE_SSID)(sFrame.pBuf + sFrame.len); sFrame.len += ((PWLAN_IE_SSID)pMgmt->abyCurrSSID)->len + WLAN_IEHDR_LEN; memcpy(sFrame.pSSID, pCurrSSID, ((PWLAN_IE_SSID)pCurrSSID)->len + WLAN_IEHDR_LEN ); // Copy the rate set sFrame.pSuppRates = (PWLAN_IE_SUPP_RATES)(sFrame.pBuf + sFrame.len); sFrame.len += ((PWLAN_IE_SUPP_RATES)pCurrSuppRates)->len + WLAN_IEHDR_LEN; memcpy(sFrame.pSuppRates, pCurrSuppRates, ((PWLAN_IE_SUPP_RATES)pCurrSuppRates)->len + WLAN_IEHDR_LEN ); // DS parameter if (pDevice->byBBType != BB_TYPE_11A) { sFrame.pDSParms = (PWLAN_IE_DS_PARMS)(sFrame.pBuf + sFrame.len); sFrame.len += (1) + WLAN_IEHDR_LEN; sFrame.pDSParms->byElementID = WLAN_EID_DS_PARMS; sFrame.pDSParms->len = 1; sFrame.pDSParms->byCurrChannel = (BYTE)uCurrChannel; } // TIM field if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { sFrame.pTIM = (PWLAN_IE_TIM)(sFrame.pBuf + sFrame.len); sFrame.pTIM->byElementID = WLAN_EID_TIM; s_vMgrFormatTIM(pMgmt, sFrame.pTIM); sFrame.len += (WLAN_IEHDR_LEN + sFrame.pTIM->len); } if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) { // IBSS parameter sFrame.pIBSSParms = (PWLAN_IE_IBSS_PARMS)(sFrame.pBuf + sFrame.len); sFrame.len += (2) + WLAN_IEHDR_LEN; sFrame.pIBSSParms->byElementID = WLAN_EID_IBSS_PARMS; sFrame.pIBSSParms->len = 2; sFrame.pIBSSParms->wATIMWindow = wCurrATIMWinodw; if (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) { /* RSN parameter */ sFrame.pRSNWPA = (PWLAN_IE_RSN_EXT)(sFrame.pBuf + sFrame.len); sFrame.pRSNWPA->byElementID = WLAN_EID_RSN_WPA; sFrame.pRSNWPA->len = 12; sFrame.pRSNWPA->abyOUI[0] = 0x00; sFrame.pRSNWPA->abyOUI[1] = 0x50; sFrame.pRSNWPA->abyOUI[2] = 0xf2; sFrame.pRSNWPA->abyOUI[3] = 0x01; sFrame.pRSNWPA->wVersion = 1; sFrame.pRSNWPA->abyMulticast[0] = 0x00; sFrame.pRSNWPA->abyMulticast[1] = 0x50; sFrame.pRSNWPA->abyMulticast[2] = 0xf2; if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) sFrame.pRSNWPA->abyMulticast[3] = 0x04;//AES else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) sFrame.pRSNWPA->abyMulticast[3] = 0x02;//TKIP else if (pDevice->eEncryptionStatus == Ndis802_11Encryption1Enabled) sFrame.pRSNWPA->abyMulticast[3] = 0x01;//WEP40 else sFrame.pRSNWPA->abyMulticast[3] = 0x00;//NONE // Pairwise Key Cipher Suite sFrame.pRSNWPA->wPKCount = 0; // Auth Key Management Suite *((PWORD)(sFrame.pBuf + sFrame.len + sFrame.pRSNWPA->len))=0; sFrame.pRSNWPA->len +=2; // RSN Capabilites *((PWORD)(sFrame.pBuf + sFrame.len + sFrame.pRSNWPA->len))=0; sFrame.pRSNWPA->len +=2; sFrame.len += sFrame.pRSNWPA->len + WLAN_IEHDR_LEN; } } if (pMgmt->eCurrentPHYMode == PHY_TYPE_11G) { sFrame.pERP = (PWLAN_IE_ERP)(sFrame.pBuf + sFrame.len); sFrame.len += 1 + WLAN_IEHDR_LEN; sFrame.pERP->byElementID = WLAN_EID_ERP; sFrame.pERP->len = 1; sFrame.pERP->byContext = 0; if (pDevice->bProtectMode == TRUE) sFrame.pERP->byContext |= WLAN_EID_ERP_USE_PROTECTION; if (pDevice->bNonERPPresent == TRUE) sFrame.pERP->byContext |= WLAN_EID_ERP_NONERP_PRESENT; if (pDevice->bBarkerPreambleMd == TRUE) sFrame.pERP->byContext |= WLAN_EID_ERP_BARKER_MODE; } if (((PWLAN_IE_SUPP_RATES)pCurrExtSuppRates)->len != 0) { sFrame.pExtSuppRates = (PWLAN_IE_SUPP_RATES)(sFrame.pBuf + sFrame.len); sFrame.len += ((PWLAN_IE_SUPP_RATES)pCurrExtSuppRates)->len + WLAN_IEHDR_LEN; memcpy(sFrame.pExtSuppRates, pCurrExtSuppRates, ((PWLAN_IE_SUPP_RATES)pCurrExtSuppRates)->len + WLAN_IEHDR_LEN ); } // hostapd wpa/wpa2 IE if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->bEnableHostapd == TRUE)) { if (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) { if (pMgmt->wWPAIELen != 0) { sFrame.pRSN = (PWLAN_IE_RSN)(sFrame.pBuf + sFrame.len); memcpy(sFrame.pRSN, pMgmt->abyWPAIE, pMgmt->wWPAIELen); sFrame.len += pMgmt->wWPAIELen; } } } /* Adjust the length fields */ pTxPacket->cbMPDULen = sFrame.len; pTxPacket->cbPayloadLen = sFrame.len - WLAN_HDR_ADDR3_LEN; return pTxPacket; } /*+ * * Routine Description: * Constructs an Prob-response frame * * * Return Value: * PTR to frame; or NULL on allocation failue * -*/ PSTxMgmtPacket s_MgrMakeProbeResponse( PSDevice pDevice, PSMgmtObject pMgmt, WORD wCurrCapInfo, WORD wCurrBeaconPeriod, unsigned int uCurrChannel, WORD wCurrATIMWinodw, PBYTE pDstAddr, PWLAN_IE_SSID pCurrSSID, PBYTE pCurrBSSID, PWLAN_IE_SUPP_RATES pCurrSuppRates, PWLAN_IE_SUPP_RATES pCurrExtSuppRates, BYTE byPHYType ) { PSTxMgmtPacket pTxPacket = NULL; WLAN_FR_PROBERESP sFrame; pTxPacket = (PSTxMgmtPacket)pMgmt->pbyMgmtPacketPool; memset(pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_PROBERESP_FR_MAXLEN); pTxPacket->p80211Header = (PUWLAN_80211HDR)((PBYTE)pTxPacket + sizeof(STxMgmtPacket)); // Setup the sFrame structure. sFrame.pBuf = (PBYTE)pTxPacket->p80211Header; sFrame.len = WLAN_PROBERESP_FR_MAXLEN; vMgrEncodeProbeResponse(&sFrame); // Setup the header sFrame.pHdr->sA3.wFrameCtl = cpu_to_le16( ( WLAN_SET_FC_FTYPE(WLAN_TYPE_MGR) | WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_PROBERESP) )); memcpy( sFrame.pHdr->sA3.abyAddr1, pDstAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr3, pCurrBSSID, WLAN_BSSID_LEN); *sFrame.pwBeaconInterval = cpu_to_le16(wCurrBeaconPeriod); *sFrame.pwCapInfo = cpu_to_le16(wCurrCapInfo); if (byPHYType == BB_TYPE_11B) { *sFrame.pwCapInfo &= cpu_to_le16((WORD)~(WLAN_SET_CAP_INFO_SHORTSLOTTIME(1))); } // Copy SSID sFrame.pSSID = (PWLAN_IE_SSID)(sFrame.pBuf + sFrame.len); sFrame.len += ((PWLAN_IE_SSID)pMgmt->abyCurrSSID)->len + WLAN_IEHDR_LEN; memcpy(sFrame.pSSID, pCurrSSID, ((PWLAN_IE_SSID)pCurrSSID)->len + WLAN_IEHDR_LEN ); // Copy the rate set sFrame.pSuppRates = (PWLAN_IE_SUPP_RATES)(sFrame.pBuf + sFrame.len); sFrame.len += ((PWLAN_IE_SUPP_RATES)pCurrSuppRates)->len + WLAN_IEHDR_LEN; memcpy(sFrame.pSuppRates, pCurrSuppRates, ((PWLAN_IE_SUPP_RATES)pCurrSuppRates)->len + WLAN_IEHDR_LEN ); // DS parameter if (pDevice->byBBType != BB_TYPE_11A) { sFrame.pDSParms = (PWLAN_IE_DS_PARMS)(sFrame.pBuf + sFrame.len); sFrame.len += (1) + WLAN_IEHDR_LEN; sFrame.pDSParms->byElementID = WLAN_EID_DS_PARMS; sFrame.pDSParms->len = 1; sFrame.pDSParms->byCurrChannel = (BYTE)uCurrChannel; } if (pMgmt->eCurrMode != WMAC_MODE_ESS_AP) { // IBSS parameter sFrame.pIBSSParms = (PWLAN_IE_IBSS_PARMS)(sFrame.pBuf + sFrame.len); sFrame.len += (2) + WLAN_IEHDR_LEN; sFrame.pIBSSParms->byElementID = WLAN_EID_IBSS_PARMS; sFrame.pIBSSParms->len = 2; sFrame.pIBSSParms->wATIMWindow = 0; } if (pDevice->byBBType == BB_TYPE_11G) { sFrame.pERP = (PWLAN_IE_ERP)(sFrame.pBuf + sFrame.len); sFrame.len += 1 + WLAN_IEHDR_LEN; sFrame.pERP->byElementID = WLAN_EID_ERP; sFrame.pERP->len = 1; sFrame.pERP->byContext = 0; if (pDevice->bProtectMode == TRUE) sFrame.pERP->byContext |= WLAN_EID_ERP_USE_PROTECTION; if (pDevice->bNonERPPresent == TRUE) sFrame.pERP->byContext |= WLAN_EID_ERP_NONERP_PRESENT; if (pDevice->bBarkerPreambleMd == TRUE) sFrame.pERP->byContext |= WLAN_EID_ERP_BARKER_MODE; } if (((PWLAN_IE_SUPP_RATES)pCurrExtSuppRates)->len != 0) { sFrame.pExtSuppRates = (PWLAN_IE_SUPP_RATES)(sFrame.pBuf + sFrame.len); sFrame.len += ((PWLAN_IE_SUPP_RATES)pCurrExtSuppRates)->len + WLAN_IEHDR_LEN; memcpy(sFrame.pExtSuppRates, pCurrExtSuppRates, ((PWLAN_IE_SUPP_RATES)pCurrExtSuppRates)->len + WLAN_IEHDR_LEN ); } // hostapd wpa/wpa2 IE if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->bEnableHostapd == TRUE)) { if (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) { if (pMgmt->wWPAIELen != 0) { sFrame.pRSN = (PWLAN_IE_RSN)(sFrame.pBuf + sFrame.len); memcpy(sFrame.pRSN, pMgmt->abyWPAIE, pMgmt->wWPAIELen); sFrame.len += pMgmt->wWPAIELen; } } } // Adjust the length fields pTxPacket->cbMPDULen = sFrame.len; pTxPacket->cbPayloadLen = sFrame.len - WLAN_HDR_ADDR3_LEN; return pTxPacket; } /*+ * * Routine Description: * Constructs an association request frame * * * Return Value: * A ptr to frame or NULL on allocation failue * -*/ PSTxMgmtPacket s_MgrMakeAssocRequest( PSDevice pDevice, PSMgmtObject pMgmt, PBYTE pDAddr, WORD wCurrCapInfo, WORD wListenInterval, PWLAN_IE_SSID pCurrSSID, PWLAN_IE_SUPP_RATES pCurrRates, PWLAN_IE_SUPP_RATES pCurrExtSuppRates ) { PSTxMgmtPacket pTxPacket = NULL; WLAN_FR_ASSOCREQ sFrame; PBYTE pbyIEs; PBYTE pbyRSN; pTxPacket = (PSTxMgmtPacket)pMgmt->pbyMgmtPacketPool; memset(pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_ASSOCREQ_FR_MAXLEN); pTxPacket->p80211Header = (PUWLAN_80211HDR)((PBYTE)pTxPacket + sizeof(STxMgmtPacket)); // Setup the sFrame structure. sFrame.pBuf = (PBYTE)pTxPacket->p80211Header; sFrame.len = WLAN_ASSOCREQ_FR_MAXLEN; // format fixed field frame structure vMgrEncodeAssocRequest(&sFrame); // Setup the header sFrame.pHdr->sA3.wFrameCtl = cpu_to_le16( ( WLAN_SET_FC_FTYPE(WLAN_TYPE_MGR) | WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_ASSOCREQ) )); memcpy( sFrame.pHdr->sA3.abyAddr1, pDAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN); // Set the capibility and listen interval *(sFrame.pwCapInfo) = cpu_to_le16(wCurrCapInfo); *(sFrame.pwListenInterval) = cpu_to_le16(wListenInterval); // sFrame.len point to end of fixed field sFrame.pSSID = (PWLAN_IE_SSID)(sFrame.pBuf + sFrame.len); sFrame.len += pCurrSSID->len + WLAN_IEHDR_LEN; memcpy(sFrame.pSSID, pCurrSSID, pCurrSSID->len + WLAN_IEHDR_LEN); pMgmt->sAssocInfo.AssocInfo.RequestIELength = pCurrSSID->len + WLAN_IEHDR_LEN; pMgmt->sAssocInfo.AssocInfo.OffsetRequestIEs = sizeof(NDIS_802_11_ASSOCIATION_INFORMATION); pbyIEs = pMgmt->sAssocInfo.abyIEs; memcpy(pbyIEs, pCurrSSID, pCurrSSID->len + WLAN_IEHDR_LEN); pbyIEs += pCurrSSID->len + WLAN_IEHDR_LEN; // Copy the rate set sFrame.pSuppRates = (PWLAN_IE_SUPP_RATES)(sFrame.pBuf + sFrame.len); if ((pDevice->byBBType == BB_TYPE_11B) && (pCurrRates->len > 4)) sFrame.len += 4 + WLAN_IEHDR_LEN; else sFrame.len += pCurrRates->len + WLAN_IEHDR_LEN; memcpy(sFrame.pSuppRates, pCurrRates, pCurrRates->len + WLAN_IEHDR_LEN); // Copy the extension rate set if ((pDevice->byBBType == BB_TYPE_11G) && (pCurrExtSuppRates->len > 0)) { sFrame.pExtSuppRates = (PWLAN_IE_SUPP_RATES)(sFrame.pBuf + sFrame.len); sFrame.len += pCurrExtSuppRates->len + WLAN_IEHDR_LEN; memcpy(sFrame.pExtSuppRates, pCurrExtSuppRates, pCurrExtSuppRates->len + WLAN_IEHDR_LEN); } pMgmt->sAssocInfo.AssocInfo.RequestIELength += pCurrRates->len + WLAN_IEHDR_LEN; memcpy(pbyIEs, pCurrRates, pCurrRates->len + WLAN_IEHDR_LEN); pbyIEs += pCurrRates->len + WLAN_IEHDR_LEN; if (((pMgmt->eAuthenMode == WMAC_AUTH_WPA) || (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) || (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE)) && (pMgmt->pCurrBSS != NULL)) { /* WPA IE */ sFrame.pRSNWPA = (PWLAN_IE_RSN_EXT)(sFrame.pBuf + sFrame.len); sFrame.pRSNWPA->byElementID = WLAN_EID_RSN_WPA; sFrame.pRSNWPA->len = 16; sFrame.pRSNWPA->abyOUI[0] = 0x00; sFrame.pRSNWPA->abyOUI[1] = 0x50; sFrame.pRSNWPA->abyOUI[2] = 0xf2; sFrame.pRSNWPA->abyOUI[3] = 0x01; sFrame.pRSNWPA->wVersion = 1; //Group Key Cipher Suite sFrame.pRSNWPA->abyMulticast[0] = 0x00; sFrame.pRSNWPA->abyMulticast[1] = 0x50; sFrame.pRSNWPA->abyMulticast[2] = 0xf2; if (pMgmt->byCSSGK == KEY_CTL_WEP) { sFrame.pRSNWPA->abyMulticast[3] = pMgmt->pCurrBSS->byGKType; } else if (pMgmt->byCSSGK == KEY_CTL_TKIP) { sFrame.pRSNWPA->abyMulticast[3] = WPA_TKIP; } else if (pMgmt->byCSSGK == KEY_CTL_CCMP) { sFrame.pRSNWPA->abyMulticast[3] = WPA_AESCCMP; } else { sFrame.pRSNWPA->abyMulticast[3] = WPA_NONE; } // Pairwise Key Cipher Suite sFrame.pRSNWPA->wPKCount = 1; sFrame.pRSNWPA->PKSList[0].abyOUI[0] = 0x00; sFrame.pRSNWPA->PKSList[0].abyOUI[1] = 0x50; sFrame.pRSNWPA->PKSList[0].abyOUI[2] = 0xf2; if (pMgmt->byCSSPK == KEY_CTL_TKIP) { sFrame.pRSNWPA->PKSList[0].abyOUI[3] = WPA_TKIP; } else if (pMgmt->byCSSPK == KEY_CTL_CCMP) { sFrame.pRSNWPA->PKSList[0].abyOUI[3] = WPA_AESCCMP; } else { sFrame.pRSNWPA->PKSList[0].abyOUI[3] = WPA_NONE; } // Auth Key Management Suite pbyRSN = (PBYTE)(sFrame.pBuf + sFrame.len + 2 + sFrame.pRSNWPA->len); *pbyRSN++=0x01; *pbyRSN++=0x00; *pbyRSN++=0x00; *pbyRSN++=0x50; *pbyRSN++=0xf2; if (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) { *pbyRSN++=WPA_AUTH_PSK; } else if (pMgmt->eAuthenMode == WMAC_AUTH_WPA) { *pbyRSN++=WPA_AUTH_IEEE802_1X; } else { *pbyRSN++=WPA_NONE; } sFrame.pRSNWPA->len +=6; // RSN Capabilites *pbyRSN++=0x00; *pbyRSN++=0x00; sFrame.pRSNWPA->len +=2; sFrame.len += sFrame.pRSNWPA->len + WLAN_IEHDR_LEN; // copy to AssocInfo. for OID_802_11_ASSOCIATION_INFORMATION pMgmt->sAssocInfo.AssocInfo.RequestIELength += sFrame.pRSNWPA->len + WLAN_IEHDR_LEN; memcpy(pbyIEs, sFrame.pRSNWPA, sFrame.pRSNWPA->len + WLAN_IEHDR_LEN); pbyIEs += sFrame.pRSNWPA->len + WLAN_IEHDR_LEN; } else if (((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) && (pMgmt->pCurrBSS != NULL)) { unsigned int ii; PWORD pwPMKID; // WPA IE sFrame.pRSN = (PWLAN_IE_RSN)(sFrame.pBuf + sFrame.len); sFrame.pRSN->byElementID = WLAN_EID_RSN; sFrame.pRSN->len = 6; //Version(2)+GK(4) sFrame.pRSN->wVersion = 1; //Group Key Cipher Suite sFrame.pRSN->abyRSN[0] = 0x00; sFrame.pRSN->abyRSN[1] = 0x0F; sFrame.pRSN->abyRSN[2] = 0xAC; if (pMgmt->byCSSGK == KEY_CTL_WEP) { sFrame.pRSN->abyRSN[3] = pMgmt->pCurrBSS->byCSSGK; } else if (pMgmt->byCSSGK == KEY_CTL_TKIP) { sFrame.pRSN->abyRSN[3] = WLAN_11i_CSS_TKIP; } else if (pMgmt->byCSSGK == KEY_CTL_CCMP) { sFrame.pRSN->abyRSN[3] = WLAN_11i_CSS_CCMP; } else { sFrame.pRSN->abyRSN[3] = WLAN_11i_CSS_UNKNOWN; } // Pairwise Key Cipher Suite sFrame.pRSN->abyRSN[4] = 1; sFrame.pRSN->abyRSN[5] = 0; sFrame.pRSN->abyRSN[6] = 0x00; sFrame.pRSN->abyRSN[7] = 0x0F; sFrame.pRSN->abyRSN[8] = 0xAC; if (pMgmt->byCSSPK == KEY_CTL_TKIP) { sFrame.pRSN->abyRSN[9] = WLAN_11i_CSS_TKIP; } else if (pMgmt->byCSSPK == KEY_CTL_CCMP) { sFrame.pRSN->abyRSN[9] = WLAN_11i_CSS_CCMP; } else if (pMgmt->byCSSPK == KEY_CTL_NONE) { sFrame.pRSN->abyRSN[9] = WLAN_11i_CSS_USE_GROUP; } else { sFrame.pRSN->abyRSN[9] = WLAN_11i_CSS_UNKNOWN; } sFrame.pRSN->len += 6; // Auth Key Management Suite sFrame.pRSN->abyRSN[10] = 1; sFrame.pRSN->abyRSN[11] = 0; sFrame.pRSN->abyRSN[12] = 0x00; sFrame.pRSN->abyRSN[13] = 0x0F; sFrame.pRSN->abyRSN[14] = 0xAC; if (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK) { sFrame.pRSN->abyRSN[15] = WLAN_11i_AKMSS_PSK; } else if (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) { sFrame.pRSN->abyRSN[15] = WLAN_11i_AKMSS_802_1X; } else { sFrame.pRSN->abyRSN[15] = WLAN_11i_AKMSS_UNKNOWN; } sFrame.pRSN->len +=6; // RSN Capabilites if (pMgmt->pCurrBSS->sRSNCapObj.bRSNCapExist == TRUE) { memcpy(&sFrame.pRSN->abyRSN[16], &pMgmt->pCurrBSS->sRSNCapObj.wRSNCap, 2); } else { sFrame.pRSN->abyRSN[16] = 0; sFrame.pRSN->abyRSN[17] = 0; } sFrame.pRSN->len +=2; if ((pDevice->gsPMKID.BSSIDInfoCount > 0) && (pDevice->bRoaming == TRUE) && (pMgmt->eAuthenMode == WMAC_AUTH_WPA2)) { // RSN PMKID pbyRSN = &sFrame.pRSN->abyRSN[18]; pwPMKID = (PWORD)pbyRSN; // Point to PMKID count *pwPMKID = 0; // Initialize PMKID count pbyRSN += 2; // Point to PMKID list for (ii = 0; ii < pDevice->gsPMKID.BSSIDInfoCount; ii++) { if (!memcmp(&pDevice->gsPMKID.BSSIDInfo[ii].BSSID[0], pMgmt->abyCurrBSSID, ETH_ALEN)) { (*pwPMKID)++; memcpy(pbyRSN, pDevice->gsPMKID.BSSIDInfo[ii].PMKID, 16); pbyRSN += 16; } } if (*pwPMKID != 0) { sFrame.pRSN->len += (2 + (*pwPMKID)*16); } } sFrame.len += sFrame.pRSN->len + WLAN_IEHDR_LEN; // copy to AssocInfo. for OID_802_11_ASSOCIATION_INFORMATION pMgmt->sAssocInfo.AssocInfo.RequestIELength += sFrame.pRSN->len + WLAN_IEHDR_LEN; memcpy(pbyIEs, sFrame.pRSN, sFrame.pRSN->len + WLAN_IEHDR_LEN); pbyIEs += sFrame.pRSN->len + WLAN_IEHDR_LEN; } // Adjust the length fields pTxPacket->cbMPDULen = sFrame.len; pTxPacket->cbPayloadLen = sFrame.len - WLAN_HDR_ADDR3_LEN; return pTxPacket; } /*+ * * Routine Description: * Constructs an re-association request frame * * * Return Value: * A ptr to frame or NULL on allocation failue * -*/ PSTxMgmtPacket s_MgrMakeReAssocRequest( PSDevice pDevice, PSMgmtObject pMgmt, PBYTE pDAddr, WORD wCurrCapInfo, WORD wListenInterval, PWLAN_IE_SSID pCurrSSID, PWLAN_IE_SUPP_RATES pCurrRates, PWLAN_IE_SUPP_RATES pCurrExtSuppRates ) { PSTxMgmtPacket pTxPacket = NULL; WLAN_FR_REASSOCREQ sFrame; PBYTE pbyIEs; PBYTE pbyRSN; pTxPacket = (PSTxMgmtPacket)pMgmt->pbyMgmtPacketPool; memset( pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_REASSOCREQ_FR_MAXLEN); pTxPacket->p80211Header = (PUWLAN_80211HDR)((PBYTE)pTxPacket + sizeof(STxMgmtPacket)); /* Setup the sFrame structure. */ sFrame.pBuf = (PBYTE)pTxPacket->p80211Header; sFrame.len = WLAN_REASSOCREQ_FR_MAXLEN; // format fixed field frame structure vMgrEncodeReassocRequest(&sFrame); /* Setup the header */ sFrame.pHdr->sA3.wFrameCtl = cpu_to_le16( ( WLAN_SET_FC_FTYPE(WLAN_TYPE_MGR) | WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_REASSOCREQ) )); memcpy( sFrame.pHdr->sA3.abyAddr1, pDAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN); /* Set the capibility and listen interval */ *(sFrame.pwCapInfo) = cpu_to_le16(wCurrCapInfo); *(sFrame.pwListenInterval) = cpu_to_le16(wListenInterval); memcpy(sFrame.pAddrCurrAP, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN); /* Copy the SSID */ /* sFrame.len point to end of fixed field */ sFrame.pSSID = (PWLAN_IE_SSID)(sFrame.pBuf + sFrame.len); sFrame.len += pCurrSSID->len + WLAN_IEHDR_LEN; memcpy(sFrame.pSSID, pCurrSSID, pCurrSSID->len + WLAN_IEHDR_LEN); pMgmt->sAssocInfo.AssocInfo.RequestIELength = pCurrSSID->len + WLAN_IEHDR_LEN; pMgmt->sAssocInfo.AssocInfo.OffsetRequestIEs = sizeof(NDIS_802_11_ASSOCIATION_INFORMATION); pbyIEs = pMgmt->sAssocInfo.abyIEs; memcpy(pbyIEs, pCurrSSID, pCurrSSID->len + WLAN_IEHDR_LEN); pbyIEs += pCurrSSID->len + WLAN_IEHDR_LEN; /* Copy the rate set */ /* sFrame.len point to end of SSID */ sFrame.pSuppRates = (PWLAN_IE_SUPP_RATES)(sFrame.pBuf + sFrame.len); sFrame.len += pCurrRates->len + WLAN_IEHDR_LEN; memcpy(sFrame.pSuppRates, pCurrRates, pCurrRates->len + WLAN_IEHDR_LEN); // Copy the extension rate set if ((pMgmt->eCurrentPHYMode == PHY_TYPE_11G) && (pCurrExtSuppRates->len > 0)) { sFrame.pExtSuppRates = (PWLAN_IE_SUPP_RATES)(sFrame.pBuf + sFrame.len); sFrame.len += pCurrExtSuppRates->len + WLAN_IEHDR_LEN; memcpy(sFrame.pExtSuppRates, pCurrExtSuppRates, pCurrExtSuppRates->len + WLAN_IEHDR_LEN); } pMgmt->sAssocInfo.AssocInfo.RequestIELength += pCurrRates->len + WLAN_IEHDR_LEN; memcpy(pbyIEs, pCurrRates, pCurrRates->len + WLAN_IEHDR_LEN); pbyIEs += pCurrRates->len + WLAN_IEHDR_LEN; if (((pMgmt->eAuthenMode == WMAC_AUTH_WPA) || (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) || (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE)) && (pMgmt->pCurrBSS != NULL)) { /* WPA IE */ sFrame.pRSNWPA = (PWLAN_IE_RSN_EXT)(sFrame.pBuf + sFrame.len); sFrame.pRSNWPA->byElementID = WLAN_EID_RSN_WPA; sFrame.pRSNWPA->len = 16; sFrame.pRSNWPA->abyOUI[0] = 0x00; sFrame.pRSNWPA->abyOUI[1] = 0x50; sFrame.pRSNWPA->abyOUI[2] = 0xf2; sFrame.pRSNWPA->abyOUI[3] = 0x01; sFrame.pRSNWPA->wVersion = 1; //Group Key Cipher Suite sFrame.pRSNWPA->abyMulticast[0] = 0x00; sFrame.pRSNWPA->abyMulticast[1] = 0x50; sFrame.pRSNWPA->abyMulticast[2] = 0xf2; if (pMgmt->byCSSGK == KEY_CTL_WEP) { sFrame.pRSNWPA->abyMulticast[3] = pMgmt->pCurrBSS->byGKType; } else if (pMgmt->byCSSGK == KEY_CTL_TKIP) { sFrame.pRSNWPA->abyMulticast[3] = WPA_TKIP; } else if (pMgmt->byCSSGK == KEY_CTL_CCMP) { sFrame.pRSNWPA->abyMulticast[3] = WPA_AESCCMP; } else { sFrame.pRSNWPA->abyMulticast[3] = WPA_NONE; } // Pairwise Key Cipher Suite sFrame.pRSNWPA->wPKCount = 1; sFrame.pRSNWPA->PKSList[0].abyOUI[0] = 0x00; sFrame.pRSNWPA->PKSList[0].abyOUI[1] = 0x50; sFrame.pRSNWPA->PKSList[0].abyOUI[2] = 0xf2; if (pMgmt->byCSSPK == KEY_CTL_TKIP) { sFrame.pRSNWPA->PKSList[0].abyOUI[3] = WPA_TKIP; } else if (pMgmt->byCSSPK == KEY_CTL_CCMP) { sFrame.pRSNWPA->PKSList[0].abyOUI[3] = WPA_AESCCMP; } else { sFrame.pRSNWPA->PKSList[0].abyOUI[3] = WPA_NONE; } // Auth Key Management Suite pbyRSN = (PBYTE)(sFrame.pBuf + sFrame.len + 2 + sFrame.pRSNWPA->len); *pbyRSN++=0x01; *pbyRSN++=0x00; *pbyRSN++=0x00; *pbyRSN++=0x50; *pbyRSN++=0xf2; if (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) { *pbyRSN++=WPA_AUTH_PSK; } else if (pMgmt->eAuthenMode == WMAC_AUTH_WPA) { *pbyRSN++=WPA_AUTH_IEEE802_1X; } else { *pbyRSN++=WPA_NONE; } sFrame.pRSNWPA->len +=6; // RSN Capabilites *pbyRSN++=0x00; *pbyRSN++=0x00; sFrame.pRSNWPA->len +=2; sFrame.len += sFrame.pRSNWPA->len + WLAN_IEHDR_LEN; // copy to AssocInfo. for OID_802_11_ASSOCIATION_INFORMATION pMgmt->sAssocInfo.AssocInfo.RequestIELength += sFrame.pRSNWPA->len + WLAN_IEHDR_LEN; memcpy(pbyIEs, sFrame.pRSNWPA, sFrame.pRSNWPA->len + WLAN_IEHDR_LEN); pbyIEs += sFrame.pRSNWPA->len + WLAN_IEHDR_LEN; } else if (((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) && (pMgmt->pCurrBSS != NULL)) { unsigned int ii; PWORD pwPMKID; /* WPA IE */ sFrame.pRSN = (PWLAN_IE_RSN)(sFrame.pBuf + sFrame.len); sFrame.pRSN->byElementID = WLAN_EID_RSN; sFrame.pRSN->len = 6; //Version(2)+GK(4) sFrame.pRSN->wVersion = 1; //Group Key Cipher Suite sFrame.pRSN->abyRSN[0] = 0x00; sFrame.pRSN->abyRSN[1] = 0x0F; sFrame.pRSN->abyRSN[2] = 0xAC; if (pMgmt->byCSSGK == KEY_CTL_WEP) { sFrame.pRSN->abyRSN[3] = pMgmt->pCurrBSS->byCSSGK; } else if (pMgmt->byCSSGK == KEY_CTL_TKIP) { sFrame.pRSN->abyRSN[3] = WLAN_11i_CSS_TKIP; } else if (pMgmt->byCSSGK == KEY_CTL_CCMP) { sFrame.pRSN->abyRSN[3] = WLAN_11i_CSS_CCMP; } else { sFrame.pRSN->abyRSN[3] = WLAN_11i_CSS_UNKNOWN; } // Pairwise Key Cipher Suite sFrame.pRSN->abyRSN[4] = 1; sFrame.pRSN->abyRSN[5] = 0; sFrame.pRSN->abyRSN[6] = 0x00; sFrame.pRSN->abyRSN[7] = 0x0F; sFrame.pRSN->abyRSN[8] = 0xAC; if (pMgmt->byCSSPK == KEY_CTL_TKIP) { sFrame.pRSN->abyRSN[9] = WLAN_11i_CSS_TKIP; } else if (pMgmt->byCSSPK == KEY_CTL_CCMP) { sFrame.pRSN->abyRSN[9] = WLAN_11i_CSS_CCMP; } else if (pMgmt->byCSSPK == KEY_CTL_NONE) { sFrame.pRSN->abyRSN[9] = WLAN_11i_CSS_USE_GROUP; } else { sFrame.pRSN->abyRSN[9] = WLAN_11i_CSS_UNKNOWN; } sFrame.pRSN->len += 6; // Auth Key Management Suite sFrame.pRSN->abyRSN[10] = 1; sFrame.pRSN->abyRSN[11] = 0; sFrame.pRSN->abyRSN[12] = 0x00; sFrame.pRSN->abyRSN[13] = 0x0F; sFrame.pRSN->abyRSN[14] = 0xAC; if (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK) { sFrame.pRSN->abyRSN[15] = WLAN_11i_AKMSS_PSK; } else if (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) { sFrame.pRSN->abyRSN[15] = WLAN_11i_AKMSS_802_1X; } else { sFrame.pRSN->abyRSN[15] = WLAN_11i_AKMSS_UNKNOWN; } sFrame.pRSN->len +=6; // RSN Capabilites if (pMgmt->pCurrBSS->sRSNCapObj.bRSNCapExist == TRUE) { memcpy(&sFrame.pRSN->abyRSN[16], &pMgmt->pCurrBSS->sRSNCapObj.wRSNCap, 2); } else { sFrame.pRSN->abyRSN[16] = 0; sFrame.pRSN->abyRSN[17] = 0; } sFrame.pRSN->len +=2; if ((pDevice->gsPMKID.BSSIDInfoCount > 0) && (pDevice->bRoaming == TRUE) && (pMgmt->eAuthenMode == WMAC_AUTH_WPA2)) { // RSN PMKID pbyRSN = &sFrame.pRSN->abyRSN[18]; pwPMKID = (PWORD)pbyRSN; // Point to PMKID count *pwPMKID = 0; // Initialize PMKID count pbyRSN += 2; // Point to PMKID list for (ii = 0; ii < pDevice->gsPMKID.BSSIDInfoCount; ii++) { if (!memcmp(&pDevice->gsPMKID.BSSIDInfo[ii].BSSID[0], pMgmt->abyCurrBSSID, ETH_ALEN)) { (*pwPMKID)++; memcpy(pbyRSN, pDevice->gsPMKID.BSSIDInfo[ii].PMKID, 16); pbyRSN += 16; } } if (*pwPMKID != 0) { sFrame.pRSN->len += (2 + (*pwPMKID)*16); } } sFrame.len += sFrame.pRSN->len + WLAN_IEHDR_LEN; // copy to AssocInfo. for OID_802_11_ASSOCIATION_INFORMATION pMgmt->sAssocInfo.AssocInfo.RequestIELength += sFrame.pRSN->len + WLAN_IEHDR_LEN; memcpy(pbyIEs, sFrame.pRSN, sFrame.pRSN->len + WLAN_IEHDR_LEN); pbyIEs += sFrame.pRSN->len + WLAN_IEHDR_LEN; } /* Adjust the length fields */ pTxPacket->cbMPDULen = sFrame.len; pTxPacket->cbPayloadLen = sFrame.len - WLAN_HDR_ADDR3_LEN; return pTxPacket; } /*+ * * Routine Description: * Constructs an assoc-response frame * * * Return Value: * PTR to frame; or NULL on allocation failue * -*/ PSTxMgmtPacket s_MgrMakeAssocResponse( PSDevice pDevice, PSMgmtObject pMgmt, WORD wCurrCapInfo, WORD wAssocStatus, WORD wAssocAID, PBYTE pDstAddr, PWLAN_IE_SUPP_RATES pCurrSuppRates, PWLAN_IE_SUPP_RATES pCurrExtSuppRates ) { PSTxMgmtPacket pTxPacket = NULL; WLAN_FR_ASSOCRESP sFrame; pTxPacket = (PSTxMgmtPacket)pMgmt->pbyMgmtPacketPool; memset(pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_ASSOCREQ_FR_MAXLEN); pTxPacket->p80211Header = (PUWLAN_80211HDR)((PBYTE)pTxPacket + sizeof(STxMgmtPacket)); // Setup the sFrame structure sFrame.pBuf = (PBYTE)pTxPacket->p80211Header; sFrame.len = WLAN_REASSOCRESP_FR_MAXLEN; vMgrEncodeAssocResponse(&sFrame); // Setup the header sFrame.pHdr->sA3.wFrameCtl = cpu_to_le16( ( WLAN_SET_FC_FTYPE(WLAN_TYPE_MGR) | WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_ASSOCRESP) )); memcpy( sFrame.pHdr->sA3.abyAddr1, pDstAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN); *sFrame.pwCapInfo = cpu_to_le16(wCurrCapInfo); *sFrame.pwStatus = cpu_to_le16(wAssocStatus); *sFrame.pwAid = cpu_to_le16((WORD)(wAssocAID | BIT14 | BIT15)); // Copy the rate set sFrame.pSuppRates = (PWLAN_IE_SUPP_RATES)(sFrame.pBuf + sFrame.len); sFrame.len += ((PWLAN_IE_SUPP_RATES)pCurrSuppRates)->len + WLAN_IEHDR_LEN; memcpy(sFrame.pSuppRates, pCurrSuppRates, ((PWLAN_IE_SUPP_RATES)pCurrSuppRates)->len + WLAN_IEHDR_LEN ); if (((PWLAN_IE_SUPP_RATES)pCurrExtSuppRates)->len != 0) { sFrame.pExtSuppRates = (PWLAN_IE_SUPP_RATES)(sFrame.pBuf + sFrame.len); sFrame.len += ((PWLAN_IE_SUPP_RATES)pCurrExtSuppRates)->len + WLAN_IEHDR_LEN; memcpy(sFrame.pExtSuppRates, pCurrExtSuppRates, ((PWLAN_IE_SUPP_RATES)pCurrExtSuppRates)->len + WLAN_IEHDR_LEN ); } // Adjust the length fields pTxPacket->cbMPDULen = sFrame.len; pTxPacket->cbPayloadLen = sFrame.len - WLAN_HDR_ADDR3_LEN; return pTxPacket; } /*+ * * Routine Description: * Constructs an reassoc-response frame * * * Return Value: * PTR to frame; or NULL on allocation failue * -*/ PSTxMgmtPacket s_MgrMakeReAssocResponse( PSDevice pDevice, PSMgmtObject pMgmt, WORD wCurrCapInfo, WORD wAssocStatus, WORD wAssocAID, PBYTE pDstAddr, PWLAN_IE_SUPP_RATES pCurrSuppRates, PWLAN_IE_SUPP_RATES pCurrExtSuppRates ) { PSTxMgmtPacket pTxPacket = NULL; WLAN_FR_REASSOCRESP sFrame; pTxPacket = (PSTxMgmtPacket)pMgmt->pbyMgmtPacketPool; memset(pTxPacket, 0, sizeof(STxMgmtPacket) + WLAN_ASSOCREQ_FR_MAXLEN); pTxPacket->p80211Header = (PUWLAN_80211HDR)((PBYTE)pTxPacket + sizeof(STxMgmtPacket)); // Setup the sFrame structure sFrame.pBuf = (PBYTE)pTxPacket->p80211Header; sFrame.len = WLAN_REASSOCRESP_FR_MAXLEN; vMgrEncodeReassocResponse(&sFrame); // Setup the header sFrame.pHdr->sA3.wFrameCtl = cpu_to_le16( ( WLAN_SET_FC_FTYPE(WLAN_TYPE_MGR) | WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_REASSOCRESP) )); memcpy( sFrame.pHdr->sA3.abyAddr1, pDstAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN); memcpy( sFrame.pHdr->sA3.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN); *sFrame.pwCapInfo = cpu_to_le16(wCurrCapInfo); *sFrame.pwStatus = cpu_to_le16(wAssocStatus); *sFrame.pwAid = cpu_to_le16((WORD)(wAssocAID | BIT14 | BIT15)); // Copy the rate set sFrame.pSuppRates = (PWLAN_IE_SUPP_RATES)(sFrame.pBuf + sFrame.len); sFrame.len += ((PWLAN_IE_SUPP_RATES)pCurrSuppRates)->len + WLAN_IEHDR_LEN; memcpy(sFrame.pSuppRates, pCurrSuppRates, ((PWLAN_IE_SUPP_RATES)pCurrSuppRates)->len + WLAN_IEHDR_LEN ); if (((PWLAN_IE_SUPP_RATES)pCurrExtSuppRates)->len != 0) { sFrame.pExtSuppRates = (PWLAN_IE_SUPP_RATES)(sFrame.pBuf + sFrame.len); sFrame.len += ((PWLAN_IE_SUPP_RATES)pCurrExtSuppRates)->len + WLAN_IEHDR_LEN; memcpy(sFrame.pExtSuppRates, pCurrExtSuppRates, ((PWLAN_IE_SUPP_RATES)pCurrExtSuppRates)->len + WLAN_IEHDR_LEN ); } // Adjust the length fields pTxPacket->cbMPDULen = sFrame.len; pTxPacket->cbPayloadLen = sFrame.len - WLAN_HDR_ADDR3_LEN; return pTxPacket; } /*+ * * Routine Description: * Handles probe response management frames. * * * Return Value: * none. * -*/ static void s_vMgrRxProbeResponse( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket ) { PKnownBSS pBSSList = NULL; WLAN_FR_PROBERESP sFrame; BYTE byCurrChannel = pRxPacket->byRxChannel; ERPObject sERP; BOOL bChannelHit = TRUE; memset(&sFrame, 0, sizeof(WLAN_FR_PROBERESP)); // decode the frame sFrame.len = pRxPacket->cbMPDULen; sFrame.pBuf = (PBYTE)pRxPacket->p80211Header; vMgrDecodeProbeResponse(&sFrame); if ((sFrame.pqwTimestamp == NULL) || (sFrame.pwBeaconInterval == NULL) || (sFrame.pwCapInfo == NULL) || (sFrame.pSSID == NULL) || (sFrame.pSuppRates == NULL)) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Probe resp:Fail addr:[%p]\n", pRxPacket->p80211Header); DBG_PORT80(0xCC); return; } if(sFrame.pSSID->len == 0) DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Rx Probe resp: SSID len = 0 \n"); //{{ RobertYu:20050201, 11a byCurrChannel != sFrame.pDSParms->byCurrChannel mapping if( byCurrChannel > CB_MAX_CHANNEL_24G ) { if (sFrame.pDSParms) { if (byCurrChannel == RFaby11aChannelIndex[sFrame.pDSParms->byCurrChannel-1]) bChannelHit = TRUE; byCurrChannel = RFaby11aChannelIndex[sFrame.pDSParms->byCurrChannel-1]; } else { bChannelHit = TRUE; } } else { if (sFrame.pDSParms) { if (byCurrChannel == sFrame.pDSParms->byCurrChannel) bChannelHit = TRUE; byCurrChannel = sFrame.pDSParms->byCurrChannel; } else { bChannelHit = TRUE; } } //RobertYu:20050201 if(ChannelExceedZoneType(pDevice,byCurrChannel)==TRUE) return; if (sFrame.pERP) { sERP.byERP = sFrame.pERP->byContext; sERP.bERPExist = TRUE; } else { sERP.bERPExist = FALSE; sERP.byERP = 0; } // update or insert the bss pBSSList = BSSpAddrIsInBSSList((void *) pDevice, sFrame.pHdr->sA3.abyAddr3, sFrame.pSSID); if (pBSSList) { BSSbUpdateToBSSList((void *) pDevice, *sFrame.pqwTimestamp, *sFrame.pwBeaconInterval, *sFrame.pwCapInfo, byCurrChannel, bChannelHit, sFrame.pSSID, sFrame.pSuppRates, sFrame.pExtSuppRates, &sERP, sFrame.pRSN, sFrame.pRSNWPA, sFrame.pIE_Country, sFrame.pIE_Quiet, pBSSList, sFrame.len - WLAN_HDR_ADDR3_LEN, /* payload of probresponse */ sFrame.pHdr->sA4.abyAddr4, (void *) pRxPacket); } else { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Probe resp/insert: RxChannel = : %d\n", byCurrChannel); BSSbInsertToBSSList((void *) pDevice, sFrame.pHdr->sA3.abyAddr3, *sFrame.pqwTimestamp, *sFrame.pwBeaconInterval, *sFrame.pwCapInfo, byCurrChannel, sFrame.pSSID, sFrame.pSuppRates, sFrame.pExtSuppRates, &sERP, sFrame.pRSN, sFrame.pRSNWPA, sFrame.pIE_Country, sFrame.pIE_Quiet, sFrame.len - WLAN_HDR_ADDR3_LEN, sFrame.pHdr->sA4.abyAddr4, /* payload of beacon */ (void *) pRxPacket); } return; } /*+ * * Routine Description:(AP)or(Ad-hoc STA) * Handles probe request management frames. * * * Return Value: * none. * -*/ static void s_vMgrRxProbeRequest( PSDevice pDevice, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket ) { WLAN_FR_PROBEREQ sFrame; CMD_STATUS Status; PSTxMgmtPacket pTxPacket; BYTE byPHYType = BB_TYPE_11B; // STA in Ad-hoc mode: when latest TBTT beacon transmit success, // STA have to response this request. if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && pDevice->bBeaconSent)) { memset(&sFrame, 0, sizeof(WLAN_FR_PROBEREQ)); // decode the frame sFrame.len = pRxPacket->cbMPDULen; sFrame.pBuf = (PBYTE)pRxPacket->p80211Header; vMgrDecodeProbeRequest(&sFrame); /* DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Probe request rx:MAC addr:%pM\n", sFrame.pHdr->sA3.abyAddr2); */ if (sFrame.pSSID->len != 0) { if (sFrame.pSSID->len != ((PWLAN_IE_SSID)pMgmt->abyCurrSSID)->len) return; if (memcmp(sFrame.pSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyCurrSSID)->abySSID, ((PWLAN_IE_SSID)pMgmt->abyCurrSSID)->len) != 0) { return; } } if ((sFrame.pSuppRates->len > 4) || (sFrame.pExtSuppRates != NULL)) { byPHYType = BB_TYPE_11G; } // Probe response reply.. pTxPacket = s_MgrMakeProbeResponse ( pDevice, pMgmt, pMgmt->wCurrCapInfo, pMgmt->wCurrBeaconPeriod, pMgmt->uCurrChannel, 0, sFrame.pHdr->sA3.abyAddr2, (PWLAN_IE_SSID)pMgmt->abyCurrSSID, (PBYTE)pMgmt->abyCurrBSSID, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates, byPHYType ); if (pTxPacket != NULL ){ /* send the frame */ Status = csMgmt_xmit(pDevice, pTxPacket); if (Status != CMD_STATUS_PENDING) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt:Probe response tx failed\n"); } else { // DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Mgt:Probe response tx sending..\n"); } } } return; } /*+ * * Routine Description: * * Entry point for the reception and handling of 802.11 management * frames. Makes a determination of the frame type and then calls * the appropriate function. * * * Return Value: * none. * -*/ void vMgrRxManagePacket(void *hDeviceContext, PSMgmtObject pMgmt, PSRxMgmtPacket pRxPacket) { PSDevice pDevice = (PSDevice)hDeviceContext; BOOL bInScan = FALSE; unsigned int uNodeIndex = 0; NODE_STATE eNodeState = 0; CMD_STATUS Status; if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { if (BSSbIsSTAInNodeDB(pDevice, pRxPacket->p80211Header->sA3.abyAddr2, &uNodeIndex)) eNodeState = pMgmt->sNodeDBTable[uNodeIndex].eNodeState; } switch( WLAN_GET_FC_FSTYPE((pRxPacket->p80211Header->sA3.wFrameCtl)) ){ case WLAN_FSTYPE_ASSOCREQ: // Frame Clase = 2 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "rx assocreq\n"); if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (eNodeState < NODE_AUTH)) { // send deauth notification // reason = (6) class 2 received from nonauth sta vMgrDeAuthenBeginSta(pDevice, pMgmt, pRxPacket->p80211Header->sA3.abyAddr2, (6), &Status ); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wmgr: send vMgrDeAuthenBeginSta 1\n"); } else { s_vMgrRxAssocRequest(pDevice, pMgmt, pRxPacket, uNodeIndex); } break; case WLAN_FSTYPE_ASSOCRESP: // Frame Clase = 2 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "rx assocresp1\n"); s_vMgrRxAssocResponse(pDevice, pMgmt, pRxPacket, FALSE); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "rx assocresp2\n"); break; case WLAN_FSTYPE_REASSOCREQ: // Frame Clase = 2 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "rx reassocreq\n"); // Todo: reassoc if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (eNodeState < NODE_AUTH)) { // send deauth notification // reason = (6) class 2 received from nonauth sta vMgrDeAuthenBeginSta(pDevice, pMgmt, pRxPacket->p80211Header->sA3.abyAddr2, (6), &Status ); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wmgr: send vMgrDeAuthenBeginSta 2\n"); } s_vMgrRxReAssocRequest(pDevice, pMgmt, pRxPacket, uNodeIndex); break; case WLAN_FSTYPE_REASSOCRESP: // Frame Clase = 2 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "rx reassocresp\n"); s_vMgrRxAssocResponse(pDevice, pMgmt, pRxPacket, TRUE); break; case WLAN_FSTYPE_PROBEREQ: // Frame Clase = 0 //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "rx probereq\n"); s_vMgrRxProbeRequest(pDevice, pMgmt, pRxPacket); break; case WLAN_FSTYPE_PROBERESP: // Frame Clase = 0 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "rx proberesp\n"); s_vMgrRxProbeResponse(pDevice, pMgmt, pRxPacket); break; case WLAN_FSTYPE_BEACON: // Frame Clase = 0 //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "rx beacon\n"); if (pMgmt->eScanState != WMAC_NO_SCANNING) { bInScan = TRUE; } s_vMgrRxBeacon(pDevice, pMgmt, pRxPacket, bInScan); break; case WLAN_FSTYPE_ATIM: // Frame Clase = 1 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "rx atim\n"); break; case WLAN_FSTYPE_DISASSOC: // Frame Clase = 2 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "rx disassoc\n"); if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (eNodeState < NODE_AUTH)) { // send deauth notification // reason = (6) class 2 received from nonauth sta vMgrDeAuthenBeginSta(pDevice, pMgmt, pRxPacket->p80211Header->sA3.abyAddr2, (6), &Status ); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wmgr: send vMgrDeAuthenBeginSta 3\n"); } s_vMgrRxDisassociation(pDevice, pMgmt, pRxPacket); break; case WLAN_FSTYPE_AUTHEN: // Frame Clase = 1 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "rx authen\n"); s_vMgrRxAuthentication(pDevice, pMgmt, pRxPacket); break; case WLAN_FSTYPE_DEAUTHEN: // Frame Clase = 1 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "rx deauthen\n"); s_vMgrRxDeauthentication(pDevice, pMgmt, pRxPacket); break; default: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "rx unknown mgmt\n"); } return; } /*+ * * Routine Description: * * * Prepare beacon to send * * Return Value: * TRUE if success; FALSE if failed. * -*/ BOOL bMgrPrepareBeaconToSend(void *hDeviceContext, PSMgmtObject pMgmt) { PSDevice pDevice = (PSDevice)hDeviceContext; PSTxMgmtPacket pTxPacket; // pDevice->bBeaconBufReady = FALSE; if (pDevice->bEncryptionEnable || pDevice->bEnable8021x){ pMgmt->wCurrCapInfo |= WLAN_SET_CAP_INFO_PRIVACY(1); } else { pMgmt->wCurrCapInfo &= ~WLAN_SET_CAP_INFO_PRIVACY(1); } pTxPacket = s_MgrMakeBeacon ( pDevice, pMgmt, pMgmt->wCurrCapInfo, pMgmt->wCurrBeaconPeriod, pMgmt->uCurrChannel, pMgmt->wCurrATIMWindow, //0, (PWLAN_IE_SSID)pMgmt->abyCurrSSID, (PBYTE)pMgmt->abyCurrBSSID, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates ); if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->abyCurrBSSID[0] == 0)) return FALSE; csBeacon_xmit(pDevice, pTxPacket); MACvRegBitsOn(pDevice, MAC_REG_TCR, TCR_AUTOBCNTX); return TRUE; } /*+ * * Routine Description: * * Log a warning message based on the contents of the Status * Code field of an 802.11 management frame. Defines are * derived from 802.11-1997 SPEC. * * Return Value: * none. * -*/ static void s_vMgrLogStatus( PSMgmtObject pMgmt, WORD wStatus ) { switch( wStatus ){ case WLAN_MGMT_STATUS_UNSPEC_FAILURE: DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Status code == Unspecified error.\n"); break; case WLAN_MGMT_STATUS_CAPS_UNSUPPORTED: DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Status code == Can't support all requested capabilities.\n"); break; case WLAN_MGMT_STATUS_REASSOC_NO_ASSOC: DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Status code == Reassoc denied, can't confirm original Association.\n"); break; case WLAN_MGMT_STATUS_ASSOC_DENIED_UNSPEC: DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Status code == Assoc denied, undefine in spec\n"); break; case WLAN_MGMT_STATUS_UNSUPPORTED_AUTHALG: DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Status code == Peer doesn't support authen algorithm.\n"); break; case WLAN_MGMT_STATUS_RX_AUTH_NOSEQ: DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Status code == Authen frame received out of sequence.\n"); break; case WLAN_MGMT_STATUS_CHALLENGE_FAIL: DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Status code == Authen rejected, challenge failure.\n"); break; case WLAN_MGMT_STATUS_AUTH_TIMEOUT: DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Status code == Authen rejected, timeout waiting for next frame.\n"); break; case WLAN_MGMT_STATUS_ASSOC_DENIED_BUSY: DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Status code == Assoc denied, AP too busy.\n"); break; case WLAN_MGMT_STATUS_ASSOC_DENIED_RATES: DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Status code == Assoc denied, we haven't enough basic rates.\n"); break; case WLAN_MGMT_STATUS_ASSOC_DENIED_SHORTPREAMBLE: DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Status code == Assoc denied, we do not support short preamble.\n"); break; case WLAN_MGMT_STATUS_ASSOC_DENIED_PBCC: DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Status code == Assoc denied, we do not support PBCC.\n"); break; case WLAN_MGMT_STATUS_ASSOC_DENIED_AGILITY: DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Status code == Assoc denied, we do not support channel agility.\n"); break; default: DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Unknown status code %d.\n", wStatus); break; } } /* * * Description: * Add BSSID in PMKID Candidate list. * * Parameters: * In: * hDeviceContext - device structure point * pbyBSSID - BSSID address for adding * wRSNCap - BSS's RSN capability * Out: * none * * Return Value: none. * -*/ BOOL bAdd_PMKID_Candidate(void *hDeviceContext, PBYTE pbyBSSID, PSRSNCapObject psRSNCapObj) { PSDevice pDevice = (PSDevice)hDeviceContext; PPMKID_CANDIDATE pCandidateList; unsigned int ii = 0; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"bAdd_PMKID_Candidate START: (%d)\n", (int)pDevice->gsPMKIDCandidate.NumCandidates); if ((pDevice == NULL) || (pbyBSSID == NULL) || (psRSNCapObj == NULL)) return FALSE; if (pDevice->gsPMKIDCandidate.NumCandidates >= MAX_PMKIDLIST) return FALSE; // Update Old Candidate for (ii = 0; ii < pDevice->gsPMKIDCandidate.NumCandidates; ii++) { pCandidateList = &pDevice->gsPMKIDCandidate.CandidateList[ii]; if (!memcmp(pCandidateList->BSSID, pbyBSSID, ETH_ALEN)) { if ((psRSNCapObj->bRSNCapExist == TRUE) && (psRSNCapObj->wRSNCap & BIT0)) { pCandidateList->Flags |= NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED; } else { pCandidateList->Flags &= ~(NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED); } return TRUE; } } // New Candidate pCandidateList = &pDevice->gsPMKIDCandidate.CandidateList[pDevice->gsPMKIDCandidate.NumCandidates]; if ((psRSNCapObj->bRSNCapExist == TRUE) && (psRSNCapObj->wRSNCap & BIT0)) { pCandidateList->Flags |= NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED; } else { pCandidateList->Flags &= ~(NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED); } memcpy(pCandidateList->BSSID, pbyBSSID, ETH_ALEN); pDevice->gsPMKIDCandidate.NumCandidates++; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"NumCandidates:%d\n", (int)pDevice->gsPMKIDCandidate.NumCandidates); return TRUE; } /* * * Description: * Flush PMKID Candidate list. * * Parameters: * In: * hDeviceContext - device structure point * Out: * none * * Return Value: none. * -*/ void vFlush_PMKID_Candidate(void *hDeviceContext) { PSDevice pDevice = (PSDevice)hDeviceContext; if (pDevice == NULL) return; memset(&pDevice->gsPMKIDCandidate, 0, sizeof(SPMKIDCandidateEvent)); } static BOOL s_bCipherMatch ( PKnownBSS pBSSNode, NDIS_802_11_ENCRYPTION_STATUS EncStatus, PBYTE pbyCCSPK, PBYTE pbyCCSGK ) { BYTE byMulticastCipher = KEY_CTL_INVALID; BYTE byCipherMask = 0x00; int i; if (pBSSNode == NULL) return FALSE; // check cap. of BSS if ((WLAN_GET_CAP_INFO_PRIVACY(pBSSNode->wCapInfo) != 0) && (EncStatus == Ndis802_11Encryption1Enabled)) { // default is WEP only byMulticastCipher = KEY_CTL_WEP; } if ((WLAN_GET_CAP_INFO_PRIVACY(pBSSNode->wCapInfo) != 0) && (pBSSNode->bWPA2Valid == TRUE) && ((EncStatus == Ndis802_11Encryption3Enabled) || (EncStatus == Ndis802_11Encryption2Enabled))) { //WPA2 // check Group Key Cipher if ((pBSSNode->byCSSGK == WLAN_11i_CSS_WEP40) || (pBSSNode->byCSSGK == WLAN_11i_CSS_WEP104)) { byMulticastCipher = KEY_CTL_WEP; } else if (pBSSNode->byCSSGK == WLAN_11i_CSS_TKIP) { byMulticastCipher = KEY_CTL_TKIP; } else if (pBSSNode->byCSSGK == WLAN_11i_CSS_CCMP) { byMulticastCipher = KEY_CTL_CCMP; } else { byMulticastCipher = KEY_CTL_INVALID; } /* check Pairwise Key Cipher */ for (i = 0; i < pBSSNode->wCSSPKCount; i++) { if ((pBSSNode->abyCSSPK[i] == WLAN_11i_CSS_WEP40) || (pBSSNode->abyCSSPK[i] == WLAN_11i_CSS_WEP104)) { /* this should not happen as defined 802.11i */ byCipherMask |= 0x01; } else if (pBSSNode->abyCSSPK[i] == WLAN_11i_CSS_TKIP) { byCipherMask |= 0x02; } else if (pBSSNode->abyCSSPK[i] == WLAN_11i_CSS_CCMP) { byCipherMask |= 0x04; } else if (pBSSNode->abyCSSPK[i] == WLAN_11i_CSS_USE_GROUP) { /* use group key only ignore all others */ byCipherMask = 0; i = pBSSNode->wCSSPKCount; } } } else if ((WLAN_GET_CAP_INFO_PRIVACY(pBSSNode->wCapInfo) != 0) && (pBSSNode->bWPAValid == TRUE) && ((EncStatus == Ndis802_11Encryption2Enabled) || (EncStatus == Ndis802_11Encryption3Enabled))) { //WPA // check Group Key Cipher if ((pBSSNode->byGKType == WPA_WEP40) || (pBSSNode->byGKType == WPA_WEP104)) { byMulticastCipher = KEY_CTL_WEP; } else if (pBSSNode->byGKType == WPA_TKIP) { byMulticastCipher = KEY_CTL_TKIP; } else if (pBSSNode->byGKType == WPA_AESCCMP) { byMulticastCipher = KEY_CTL_CCMP; } else { byMulticastCipher = KEY_CTL_INVALID; } /* check Pairwise Key Cipher */ for (i = 0; i < pBSSNode->wPKCount; i++) { if (pBSSNode->abyPKType[i] == WPA_TKIP) { byCipherMask |= 0x02; } else if (pBSSNode->abyPKType[i] == WPA_AESCCMP) { byCipherMask |= 0x04; } else if (pBSSNode->abyPKType[i] == WPA_NONE) { /* use group key only ignore all others */ byCipherMask = 0; i = pBSSNode->wPKCount; } } } DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%d, %d, %d, %d, EncStatus:%d\n", byMulticastCipher, byCipherMask, pBSSNode->bWPAValid, pBSSNode->bWPA2Valid, EncStatus); // mask our cap. with BSS if (EncStatus == Ndis802_11Encryption1Enabled) { // For supporting Cisco migration mode, don't care pairwise key cipher //if ((byMulticastCipher == KEY_CTL_WEP) && // (byCipherMask == 0)) { if ((byMulticastCipher == KEY_CTL_WEP) && (byCipherMask == 0)) { *pbyCCSGK = KEY_CTL_WEP; *pbyCCSPK = KEY_CTL_NONE; return TRUE; } else { return FALSE; } } else if (EncStatus == Ndis802_11Encryption2Enabled) { if ((byMulticastCipher == KEY_CTL_TKIP) && (byCipherMask == 0)) { *pbyCCSGK = KEY_CTL_TKIP; *pbyCCSPK = KEY_CTL_NONE; return TRUE; } else if ((byMulticastCipher == KEY_CTL_WEP) && ((byCipherMask & 0x02) != 0)) { *pbyCCSGK = KEY_CTL_WEP; *pbyCCSPK = KEY_CTL_TKIP; return TRUE; } else if ((byMulticastCipher == KEY_CTL_TKIP) && ((byCipherMask & 0x02) != 0)) { *pbyCCSGK = KEY_CTL_TKIP; *pbyCCSPK = KEY_CTL_TKIP; return TRUE; } else { return FALSE; } } else if (EncStatus == Ndis802_11Encryption3Enabled) { if ((byMulticastCipher == KEY_CTL_CCMP) && (byCipherMask == 0)) { // When CCMP is enable, "Use group cipher suite" shall not be a valid option. return FALSE; } else if ((byMulticastCipher == KEY_CTL_WEP) && ((byCipherMask & 0x04) != 0)) { *pbyCCSGK = KEY_CTL_WEP; *pbyCCSPK = KEY_CTL_CCMP; return TRUE; } else if ((byMulticastCipher == KEY_CTL_TKIP) && ((byCipherMask & 0x04) != 0)) { *pbyCCSGK = KEY_CTL_TKIP; *pbyCCSPK = KEY_CTL_CCMP; return TRUE; } else if ((byMulticastCipher == KEY_CTL_CCMP) && ((byCipherMask & 0x04) != 0)) { *pbyCCSGK = KEY_CTL_CCMP; *pbyCCSPK = KEY_CTL_CCMP; return TRUE; } else { return FALSE; } } return TRUE; }