| /* |
| * scanResultTable.c |
| * |
| * Copyright(c) 1998 - 2009 Texas Instruments. All rights reserved. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name Texas Instruments nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** \file scanResultTable.c |
| * \brief implements a table holding scan results, by BSSID |
| * |
| * \see scanResultTable.h |
| */ |
| |
| |
| #define __FILE_ID__ FILE_ID_81 |
| #include "osApi.h" |
| #include "report.h" |
| #include "scanResultTable.h" |
| #include "siteMgrApi.h" |
| #include "freq.h" |
| |
| |
| #define TABLE_ENTRIES_NUMBER 32 |
| |
| #define UPDATE_BSSID(pSite, pFrame) MAC_COPY((pSite)->bssid, *((pFrame)->bssId)) |
| #define UPDATE_BAND(pSite, pFrame) (pSite)->eBand = (pFrame)->band |
| #define UPDATE_BEACON_INTERVAL(pSite, pFrame) pSite->beaconInterval = (pFrame)->parsedIEs->content.iePacket.beaconInerval |
| #define UPDATE_CAPABILITIES(pSite, pFrame) pSite->capabilities = (pFrame)->parsedIEs->content.iePacket.capabilities |
| #define UPDATE_PRIVACY(pSite, pFrame) pSite->privacy = (((pFrame)->parsedIEs->content.iePacket.capabilities >> CAP_PRIVACY_SHIFT) & CAP_PRIVACY_MASK) ? TI_TRUE : TI_FALSE |
| #define UPDATE_AGILITY(pSite, pFrame) pSite->agility = (((pFrame)->parsedIEs->content.iePacket.capabilities >> CAP_AGILE_SHIFT) & CAP_AGILE_MASK) ? TI_TRUE : TI_FALSE |
| #define UPDATE_SLOT_TIME(pSite, pFrame) pSite->newSlotTime = (((pFrame)->parsedIEs->content.iePacket.capabilities >> CAP_SLOT_TIME_SHIFT) & CAP_SLOT_TIME_MASK) ? PHY_SLOT_TIME_SHORT : PHY_SLOT_TIME_LONG |
| #define UPDATE_PROTECTION(pSite, pFrame) pSite->useProtection = ((pFrame)->parsedIEs->content.iePacket.useProtection) |
| |
| #define UPDATE_SSID(pScanResultTable, pSite, pFrame) if ((pFrame)->parsedIEs->content.iePacket.pSsid != NULL) { \ |
| pSite->ssid.len = (pFrame)->parsedIEs->content.iePacket.pSsid->hdr[1]; \ |
| os_memoryCopy(pScanResultTable->hOS, \ |
| (void *)pSite->ssid.str, \ |
| (void *)(pFrame)->parsedIEs->content.iePacket.pSsid->serviceSetId, \ |
| (pFrame)->parsedIEs->content.iePacket.pSsid->hdr[1]); \ |
| if (pSite->ssid.len < MAX_SSID_LEN) \ |
| pSite->ssid.str[pSite->ssid.len] = '\0';} |
| |
| #define UPDATE_CHANNEL(pSite, pFrame, rxChannel) if ((pFrame)->parsedIEs->content.iePacket.pDSParamsSet == NULL) \ |
| pSite->channel = rxChannel; \ |
| else \ |
| pSite->channel = (pFrame)->parsedIEs->content.iePacket.pDSParamsSet->currChannel; |
| #define UPDATE_DTIM_PERIOD(pSite, pFrame) if ((pFrame)->parsedIEs->content.iePacket.pTIM != NULL) \ |
| pSite->dtimPeriod = (pFrame)->parsedIEs->content.iePacket.pTIM->dtimPeriod |
| #define UPDATE_ATIM_WINDOW(pSite, pFrame) if ((pFrame)->parsedIEs->content.iePacket.pIBSSParamsSet != NULL) \ |
| pSite->atimWindow = (pFrame)->parsedIEs->content.iePacket.pIBSSParamsSet->atimWindow |
| #define UPDATE_AP_TX_POWER(pSite, pFrame) if ((pFrame)->parsedIEs->content.iePacket.TPCReport != NULL) \ |
| pSite->APTxPower = (pFrame)->parsedIEs->content.iePacket.TPCReport->transmitPower |
| #define UPDATE_BSS_TYPE(pSite, pFrame) pSite->bssType = (((pFrame)->parsedIEs->content.iePacket.capabilities >> CAP_ESS_SHIFT) & CAP_ESS_MASK) ? BSS_INFRASTRUCTURE : BSS_INDEPENDENT |
| #define UPDATE_RSN_IE(pScanResultTable, pSite, pNewRsnIe, newRsnIeLen) if ((pNewRsnIe) != NULL) { \ |
| TI_UINT8 length=0, index=0;\ |
| dot11_RSN_t *pTempRsnIe = (pNewRsnIe); \ |
| (pSite)->rsnIeLen = (newRsnIeLen);\ |
| while ((length < (pSite)->rsnIeLen) && (index < MAX_RSN_IE)) {\ |
| (pSite)->pRsnIe[index].hdr[0] = pTempRsnIe->hdr[0];\ |
| (pSite)->pRsnIe[index].hdr[1] = pTempRsnIe->hdr[1];\ |
| os_memoryCopy(pScanResultTable->hOS, (void *)(pSite)->pRsnIe[index].rsnIeData, (void *)pTempRsnIe->rsnIeData, pTempRsnIe->hdr[1]);\ |
| length += (pTempRsnIe->hdr[1]+2); \ |
| pTempRsnIe += 1; \ |
| index++;}\ |
| } \ |
| else {pSite->rsnIeLen = 0;} |
| #define UPDATE_BEACON_TIMESTAMP(pScanResultTable, pSite, pFrame) os_memoryCopy(pScanResultTable->hOS, pSite->tsfTimeStamp, (void *)(pFrame)->parsedIEs->content.iePacket.timestamp, TIME_STAMP_LEN) |
| |
| /* Updated from beacons */ |
| #define UPDATE_BEACON_MODULATION(pSite, pFrame) pSite->beaconModulation = (((pFrame)->parsedIEs->content.iePacket.capabilities >> CAP_PBCC_SHIFT) & CAP_PBCC_MASK) ? DRV_MODULATION_PBCC : DRV_MODULATION_CCK |
| #define UPDATE_BEACON_RECV(pSite) pSite->beaconRecv = TI_TRUE |
| |
| /* Updated from probes */ |
| #define UPDATE_PROBE_MODULATION(pSite, pFrame) pSite->probeModulation = (((pFrame)->parsedIEs->content.iePacket.capabilities >> CAP_PBCC_SHIFT) & CAP_PBCC_MASK) ? DRV_MODULATION_PBCC : DRV_MODULATION_CCK |
| #define UPDATE_PROBE_RECV(pSite) pSite->probeRecv = TI_TRUE |
| #define UPDATE_APSD(pSite, pFrame) if ((pFrame)->parsedIEs->content.iePacket.WMEParams == NULL) \ |
| (pSite)->APSDSupport = ((((pFrame)->parsedIEs->content.iePacket.capabilities >> CAP_APSD_SHIFT) & CAP_APSD_MASK) ? TI_TRUE : TI_FALSE); \ |
| else \ |
| pSite->APSDSupport = (((((pFrame)->parsedIEs->content.iePacket.capabilities >> CAP_APSD_SHIFT) & CAP_APSD_MASK) ? TI_TRUE : TI_FALSE) || \ |
| ((((pFrame)->parsedIEs->content.iePacket.WMEParams->ACInfoField >> AP_QOS_INFO_UAPSD_SHIFT) & AP_QOS_INFO_UAPSD_MASK) ? TI_TRUE : TI_FALSE)); |
| #define UPDATE_PREAMBLE(pSite, pFrame) { (pSite)->currentPreambleType = (((pFrame)->parsedIEs->content.iePacket.capabilities >> CAP_PREAMBLE_SHIFT) & CAP_PREAMBLE_MASK) ? PREAMBLE_SHORT : PREAMBLE_LONG; \ |
| (pSite)->barkerPreambleType = (pFrame)->parsedIEs->content.iePacket.barkerPreambleMode; } |
| #define UPDATE_QOS(pSite, pFrame) if ( ((pFrame)->parsedIEs->content.iePacket.WMEParams != NULL) && \ |
| (((((pFrame)->parsedIEs->content.iePacket.WMEParams->ACInfoField) & dot11_WME_ACINFO_MASK) != pSite->lastWMEParameterCnt) || (!pSite->WMESupported)) ) \ |
| pSite->WMESupported = TI_TRUE; \ |
| else \ |
| pSite->WMESupported = TI_FALSE; |
| #define UPDATE_FRAME_BUFFER(pScanResultTable, pBuffer, uLength, pFrame) if (pFrame->bufferLength < MAX_BEACON_BODY_LENGTH) \ |
| { \ |
| os_memoryCopy (pScanResultTable->hOS, pBuffer, pFrame->buffer, pFrame->bufferLength); \ |
| uLength = pFrame->bufferLength; \ |
| } |
| #define UPDATE_RSSI(pSite, pFrame) (pSite)->rssi = (pFrame)->rssi; |
| #define UPDATE_SNR(pSite, pFrame) (pSite)->snr = (pFrame)->snr; |
| #define UPDATE_RATE(pSite, pFrame) if ((DRV_RATE_1M <= (pFrame)->rate) && (DRV_RATE_54M <= (pFrame)->rate)) \ |
| (pSite)->rxRate = (pFrame)->rate; |
| |
| |
| typedef struct |
| { |
| TI_HANDLE hOS; /**< Handle to the OS object */ |
| TI_HANDLE hReport; /**< handle to the report object */ |
| TI_HANDLE hSiteMgr; /**< Handle to the site manager object */ |
| TSiteEntry *pTable; /**< site table */ |
| TI_UINT32 uCurrentSiteNumber; /**< number of sites currently in the table */ |
| TI_UINT32 uIterator; /**< table iterator used for getFirst / getNext */ |
| TI_BOOL bStable; /**< table status (updating / stable) */ |
| } TScanResultTable; |
| |
| static TSiteEntry *scanResultTbale_AllocateNewEntry (TI_HANDLE hScanResultTable); |
| static void scanResultTable_UpdateSiteData (TI_HANDLE hScanResultTable, TSiteEntry *pSite, TScanFrameInfo *pFrame); |
| static void scanResultTable_updateRates(TI_HANDLE hScanResultTable, TSiteEntry *pSite, TScanFrameInfo *pFrame); |
| static void scanResultTable_UpdateWSCParams (TSiteEntry *pSite, TScanFrameInfo *pFrame); |
| static TI_STATUS scanResultTable_CheckRxSignalValidity(TScanResultTable *pScanResultTable, siteEntry_t *pSite, TI_INT8 rxLevel, TI_UINT8 channel); |
| |
| |
| /** |
| * \fn scanResultTable_Create |
| * \brief Create a scan result table object. |
| * |
| * Create a scan result table object. Allocate system resources. |
| * |
| * \note |
| * \param hOS - handle to the OS object |
| * \return Handle to the newly created scan result table object, NULL if an error occured. |
| * \sa scanResultTable_Init, scanResultTable_Destroy |
| */ |
| TI_HANDLE scanResultTable_Create (TI_HANDLE hOS) |
| { |
| TScanResultTable *pScanResultTable = NULL; |
| |
| /* Allocate object storage */ |
| pScanResultTable = (TScanResultTable*)os_memoryAlloc (hOS, sizeof(TScanResultTable)); |
| if (NULL != pScanResultTable) |
| { |
| pScanResultTable->hOS = hOS; |
| } |
| |
| /* allocate memory for sites' data */ |
| pScanResultTable->pTable = |
| (TSiteEntry *)os_memoryAlloc (pScanResultTable->hOS, sizeof (TSiteEntry) * TABLE_ENTRIES_NUMBER); |
| if (NULL == pScanResultTable->pTable) |
| { |
| TRACE2(pScanResultTable->hReport, REPORT_SEVERITY_ERROR , |
| "scanResultTable_Create: Unable to allocate memory for %d entries of %d bytes\n", |
| TABLE_ENTRIES_NUMBER, sizeof (TSiteEntry)); |
| return NULL; |
| } |
| |
| return (TI_HANDLE)pScanResultTable; |
| } |
| |
| /** |
| * \fn scanResultTable_Init |
| * \brief Initializes the scan result table object |
| * |
| * Initializes the scan result table object. Set handles to other objects. |
| * |
| * \param hScanResultTable - handle to the scan result table object |
| * \param pStadHandles - modules handles table |
| * \return None |
| * \sa scanResultTable_Create |
| */ |
| void scanResultTable_Init (TI_HANDLE hScanResultTable, TStadHandlesList *pStadHandles) |
| { |
| TScanResultTable *pScanResultTable = (TScanResultTable*)hScanResultTable; |
| |
| /* set handles to other modules */ |
| pScanResultTable->hReport = pStadHandles->hReport; |
| pScanResultTable->hSiteMgr = pStadHandles->hSiteMgr; |
| |
| /* initialize other parameters */ |
| pScanResultTable->uCurrentSiteNumber = 0; |
| pScanResultTable->bStable = TI_TRUE; |
| pScanResultTable->uIterator = 0; |
| } |
| |
| |
| /** |
| * \fn scanResultTable_Destroy |
| * \brief Destroys the scan result table object |
| * |
| * Destroys the scan result table object. Release system resources |
| * |
| * \param hScanResultTable - handle to the scan result table object |
| * \return None |
| * \sa scanResultTable_Create |
| */ |
| void scanResultTable_Destroy (TI_HANDLE hScanResultTable) |
| { |
| TScanResultTable *pScanResultTable = (TScanResultTable*)hScanResultTable; |
| |
| /* if the table memory has already been allocated */ |
| if (NULL != pScanResultTable->pTable) |
| { |
| /* free table memory */ |
| os_memoryFree (pScanResultTable->hOS, (void*)pScanResultTable->pTable, |
| sizeof (TSiteEntry) * TABLE_ENTRIES_NUMBER); |
| } |
| |
| /* free scan result table object memeory */ |
| os_memoryFree (pScanResultTable->hOS, (void*)hScanResultTable, sizeof (TScanResultTable)); |
| } |
| |
| /** |
| * \fn scanResultTable_UpdateEntry |
| * \brief Update or insert a site data. |
| * |
| * Update a site's data in the table if it already exists, or create an antry if the site doesn't exist. |
| * If the table is in stable state, will move it to updating state and clear its contents. |
| * |
| * \param hScanResultTable - handle to the scan result table object |
| * \param pBssid - a pointer to the site BSSID |
| * \param pframe - a pointer to the received frame data |
| * \return TI_OK if entry was inseretd or updated successfuly, TI_NOK if table is full |
| * \sa scanResultTable_SetStableState |
| */ |
| TI_STATUS scanResultTable_UpdateEntry (TI_HANDLE hScanResultTable, TMacAddr *pBssid, TScanFrameInfo* pFrame) |
| { |
| TScanResultTable *pScanResultTable = (TScanResultTable*)hScanResultTable; |
| TSiteEntry *pSite; |
| TSsid tTempSsid; |
| |
| TRACE6(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_UpdateEntry: Adding or updating BBSID: %02x:%02x:%02x:%02x:%02x:%02x\n", (*pBssid)[ 0 ], (*pBssid)[ 1 ], (*pBssid)[ 2 ], (*pBssid)[ 3 ], (*pBssid)[ 4 ], (*pBssid)[ 5 ]); |
| |
| /* check if the table is in stable state */ |
| if (TI_TRUE == pScanResultTable->bStable) |
| { |
| TRACE0(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_UpdateEntry: table is stable, clearing table and moving to updating state\n"); |
| /* move the table to updating state */ |
| pScanResultTable->bStable = TI_FALSE; |
| /* and clear its contents */ |
| pScanResultTable->uCurrentSiteNumber = 0; |
| } |
| |
| /* use temporary SSID structure */ |
| if (NULL == pFrame->parsedIEs->content.iePacket.pSsid) |
| return TI_NOK; |
| tTempSsid.len = pFrame->parsedIEs->content.iePacket.pSsid->hdr[1]; |
| os_memoryCopy(pScanResultTable->hOS, (void *)&(tTempSsid.str[ 0 ]), |
| (void *)&(pFrame->parsedIEs->content.iePacket.pSsid->serviceSetId[ 0 ]), |
| tTempSsid.len); |
| if (MAX_SSID_LEN > tTempSsid.len) |
| { |
| tTempSsid.str[ tTempSsid.len ] ='\0'; |
| } |
| |
| /* check if the SSID:BSSID pair already exists in the table */ |
| pSite = scanResultTable_GetBySsidBssidPair (hScanResultTable, &tTempSsid ,pBssid); |
| if (NULL != pSite) |
| { |
| if (TI_NOK != scanResultTable_CheckRxSignalValidity(pScanResultTable, pSite, pFrame->rssi, pFrame->channel)) |
| { |
| TRACE0(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_UpdateEntry: entry already exists, updating\n"); |
| /* BSSID exists: update its data */ |
| scanResultTable_UpdateSiteData (hScanResultTable, pSite, pFrame); |
| } |
| } |
| else |
| { |
| TRACE0(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_UpdateEntry: entry doesn't exist, allocating a new entry\n"); |
| /* BSSID doesn't exist: allocate a new entry for it */ |
| pSite = scanResultTbale_AllocateNewEntry (hScanResultTable); |
| if (NULL == pSite) |
| { |
| TRACE6(pScanResultTable->hReport, REPORT_SEVERITY_WARNING , "scanResultTable_UpdateEntry: can't add site %02d:%02d:%02d:%02d:%02d:%02d" " because table is full\n", pBssid[ 0 ], pBssid[ 1 ], pBssid[ 2 ], pBssid[ 3 ], pBssid[ 4 ], pBssid[ 5 ]); |
| return TI_NOK; |
| } |
| |
| /* and update its data */ |
| scanResultTable_UpdateSiteData (hScanResultTable, |
| pSite, |
| pFrame); |
| } |
| |
| return TI_OK; |
| } |
| |
| /** |
| * \fn scanResultTable_SetStableState |
| * \brief Moves the table to stable state |
| * |
| * Moves the table to stable state. Also clears the tabel contents if required. |
| * |
| * \param hScanResultTable - handle to the scan result table object |
| * \return None |
| * \sa scanResultTable_UpdateEntry |
| */ |
| void scanResultTable_SetStableState (TI_HANDLE hScanResultTable) |
| { |
| TScanResultTable *pScanResultTable = (TScanResultTable*)hScanResultTable; |
| |
| TRACE0(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_SetStableState: setting stable state\n"); |
| |
| /* if also asked to clear the table, if it is at Stable mode means that no results were received, clear it! */ |
| if (TI_TRUE == pScanResultTable->bStable) |
| { |
| TRACE0(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_SetStableState: also clearing table contents\n"); |
| |
| pScanResultTable->uCurrentSiteNumber = 0; |
| } |
| |
| /* set stable state */ |
| pScanResultTable->bStable = TI_TRUE; |
| |
| } |
| |
| /** |
| * \fn scanResultTable_GetFirst |
| * \brief Retrieves the first entry in the table |
| * |
| * Retrieves the first entry in the table |
| * |
| * \param hScanResultTable - handle to the scan result table object |
| * \return A pointer to the first entry in the table, NULL if the table is empty |
| * \sa scanResultTable_GetNext |
| */ |
| TSiteEntry *scanResultTable_GetFirst (TI_HANDLE hScanResultTable) |
| { |
| TScanResultTable *pScanResultTable = (TScanResultTable*)hScanResultTable; |
| |
| /* initialize the iterator to point at the first site */ |
| pScanResultTable->uIterator = 0; |
| |
| /* and return the next entry... */ |
| return scanResultTable_GetNext (hScanResultTable); |
| } |
| |
| /** |
| * \fn scanResultTable_GetNext |
| * \brief Retreives the next entry in the table |
| * |
| * Retreives the next entry in the table, until table is exhusted. A call to scanResultTable_GetFirst |
| * must preceed a sequence of calls to this function. |
| * |
| * \param hScanResultTable - handle to the scan result table object |
| * \return A pointer to the next entry in the table, NULL if the table is exhsuted |
| * \sa scanResultTable_GetFirst |
| */ |
| TSiteEntry *scanResultTable_GetNext (TI_HANDLE hScanResultTable) |
| { |
| TScanResultTable *pScanResultTable = (TScanResultTable*)hScanResultTable; |
| |
| /* if the iterator points to a site behind current table storage, return error */ |
| if (pScanResultTable->uCurrentSiteNumber <= pScanResultTable->uIterator) |
| { |
| return NULL; |
| } |
| |
| return &(pScanResultTable->pTable[ pScanResultTable->uIterator++ ]); |
| } |
| |
| /** |
| * \fn scanResultTable_GetByBssid |
| * \brief retreives an entry according to its SSID and BSSID |
| * |
| * retreives an entry according to its BSSID |
| * |
| * \param hScanResultTable - handle to the scan result table object |
| * \param pSsid - SSID to search for |
| * \param pBssid - BSSID to search for |
| * \return A pointer to the entry with macthing BSSID, NULL if no such entry was found. |
| */ |
| TSiteEntry *scanResultTable_GetBySsidBssidPair (TI_HANDLE hScanResultTable, TSsid *pSsid, TMacAddr *pBssid) |
| { |
| TScanResultTable *pScanResultTable = (TScanResultTable*)hScanResultTable; |
| TI_UINT32 uIndex; |
| |
| TRACE6(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_GetBySsidBssidPair: Searching for SSID BSSID %02x:%02x:%02x:%02x:%02x:%02x\n", (*pBssid)[ 0 ], (*pBssid)[ 1 ], (*pBssid)[ 2 ], (*pBssid)[ 3 ], (*pBssid)[ 4 ], (*pBssid)[ 5 ]); |
| |
| /* check all entries in the table */ |
| for (uIndex = 0; uIndex < pScanResultTable->uCurrentSiteNumber; uIndex++) |
| { |
| /* if the BSSID and SSID match */ |
| if (MAC_EQUAL (*pBssid, pScanResultTable->pTable[ uIndex ].bssid) && |
| ((pSsid->len == pScanResultTable->pTable[ uIndex ].ssid.len) && |
| (0 == os_memoryCompare (pScanResultTable->hOS, &(pSsid->str[ 0 ]), |
| &(pScanResultTable->pTable[ uIndex ].ssid.str[ 0 ]), |
| pSsid->len)))) |
| { |
| TRACE1(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "Entry found at index %d\n", uIndex); |
| return &(pScanResultTable->pTable[ uIndex ]); |
| } |
| } |
| |
| /* site wasn't found: return NULL */ |
| TRACE0(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_GetBySsidBssidPair: Entry was not found\n"); |
| return NULL; |
| } |
| |
| /** |
| * \fn scanresultTbale_AllocateNewEntry |
| * \brief Allocates an empty entry for a new site |
| * |
| * Function Allocates an empty entry for a new site (and nullfiies required entry fields) |
| * |
| * \param hScanResultTable - handle to the scan result table object |
| * \return Pointer to the site entry (NULL if the table is full) |
| */ |
| TSiteEntry *scanResultTbale_AllocateNewEntry (TI_HANDLE hScanResultTable) |
| { |
| TScanResultTable *pScanResultTable = (TScanResultTable*)hScanResultTable; |
| TI_UINT32 uRsnIndex; |
| |
| /* if the table is full */ |
| if (pScanResultTable->uCurrentSiteNumber >= TABLE_ENTRIES_NUMBER) |
| { |
| TRACE0(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTbale_AllocateNewEntry: Table is full, can't allocate new entry\n"); |
| return NULL; |
| } |
| |
| TRACE1(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTbale_AllocateNewEntry: New entry allocated at index %d\n", pScanResultTable->uCurrentSiteNumber); |
| |
| /* Nullify new site data */ |
| pScanResultTable->pTable[ pScanResultTable->uCurrentSiteNumber ].ssid.len = 0; |
| pScanResultTable->pTable[ pScanResultTable->uCurrentSiteNumber ].tHtCapabilities.tHdr[0] = 0; |
| pScanResultTable->pTable[ pScanResultTable->uCurrentSiteNumber ].tHtInformation.tHdr[0] = 0; |
| for (uRsnIndex = 0; uRsnIndex < MAX_RSN_IE; uRsnIndex++) |
| { |
| pScanResultTable->pTable[ pScanResultTable->uCurrentSiteNumber ].pRsnIe[ uRsnIndex ].hdr[ 1 ] = 0; |
| } |
| |
| pScanResultTable->pTable[ pScanResultTable->uCurrentSiteNumber ].bConsideredForSelect = TI_FALSE; |
| pScanResultTable->pTable[ pScanResultTable->uCurrentSiteNumber ].probeRecv = TI_FALSE; |
| pScanResultTable->pTable[ pScanResultTable->uCurrentSiteNumber ].beaconRecv = TI_FALSE; |
| |
| /* return the site (and update site count) */ |
| pScanResultTable->uCurrentSiteNumber++; |
| return &(pScanResultTable->pTable[ pScanResultTable->uCurrentSiteNumber - 1 ]); |
| } |
| |
| /** |
| * \fn scanResultTable_UpdateSiteData |
| * \brief Update a site entry data from a received frame (beacon or probe response) |
| * |
| * Update a site entry data from a received frame (beacon or probe response) |
| * |
| * \param hScanResultTable - handle to the scan result table object |
| * \param pSite - the site entry to update |
| * \param pFrame - the received frame information |
| * \return None |
| */ |
| void scanResultTable_UpdateSiteData (TI_HANDLE hScanResultTable, TSiteEntry *pSite, TScanFrameInfo *pFrame) |
| { |
| TScanResultTable *pScanResultTable = (TScanResultTable*)hScanResultTable; |
| paramInfo_t param; |
| |
| UPDATE_BSSID (pSite, pFrame); |
| UPDATE_BAND (pSite, pFrame); |
| UPDATE_BEACON_INTERVAL (pSite, pFrame); |
| UPDATE_CAPABILITIES (pSite, pFrame); |
| UPDATE_SSID (pScanResultTable, pSite, pFrame); |
| UPDATE_PRIVACY (pSite, pFrame); |
| UPDATE_RSN_IE (pScanResultTable, pSite, pFrame->parsedIEs->content.iePacket.pRsnIe, pFrame->parsedIEs->content.iePacket.rsnIeLen); |
| UPDATE_APSD (pSite, pFrame); |
| UPDATE_PREAMBLE (pSite, pFrame); |
| UPDATE_AGILITY (pSite, pFrame); |
| UPDATE_RSSI (pSite, pFrame); |
| UPDATE_SNR (pSite, pFrame); |
| UPDATE_RATE (pSite, pFrame); |
| |
| param.paramType = SITE_MGR_OPERATIONAL_MODE_PARAM; |
| siteMgr_getParam (pScanResultTable->hSiteMgr, ¶m); |
| if (param.content.siteMgrDot11OperationalMode == DOT11_G_MODE) |
| { |
| UPDATE_SLOT_TIME (pSite, pFrame); |
| UPDATE_PROTECTION (pSite, pFrame); |
| } |
| |
| scanResultTable_updateRates (hScanResultTable, pSite, pFrame); |
| |
| if ((pFrame->parsedIEs->content.iePacket.pDSParamsSet != NULL) && |
| (pFrame->parsedIEs->content.iePacket.pDSParamsSet->currChannel != pFrame->channel)) |
| { |
| TRACE2(pScanResultTable->hReport, REPORT_SEVERITY_WARNING, "scanResultTable_UpdateSiteData: wrong channels, radio channel=%d, frame channel=%d\n", pFrame->channel, pFrame->parsedIEs->content.iePacket.pDSParamsSet->currChannel); |
| } |
| else |
| UPDATE_CHANNEL (pSite, pFrame , pFrame->channel); |
| |
| UPDATE_BSS_TYPE (pSite, pFrame); |
| UPDATE_ATIM_WINDOW (pSite, pFrame); |
| UPDATE_AP_TX_POWER (pSite, pFrame); |
| UPDATE_QOS (pSite, pFrame); |
| UPDATE_BEACON_TIMESTAMP (pScanResultTable, pSite, pFrame); |
| scanResultTable_UpdateWSCParams (pSite, pFrame); |
| |
| if (BEACON == pFrame->parsedIEs->subType) |
| { |
| /* DTIM is only available in beacons */ |
| if (pSite->bssType == BSS_INFRASTRUCTURE) |
| { |
| UPDATE_DTIM_PERIOD (pSite, pFrame); |
| } |
| |
| UPDATE_BEACON_MODULATION (pSite, pFrame); |
| |
| /* If the BSS type is independent, the beacon & probe modulation are equal, |
| It is important to update this field here for dynamic PBCC algorithm compatibility */ |
| if (pSite->bssType == BSS_INDEPENDENT) |
| { |
| UPDATE_PROBE_MODULATION (pSite, pFrame); |
| } |
| |
| UPDATE_BEACON_RECV (pSite); |
| UPDATE_FRAME_BUFFER (pScanResultTable, (pSite->beaconBuffer), (pSite->beaconLength), pFrame); |
| } |
| else if (PROBE_RESPONSE == pFrame->parsedIEs->subType) |
| { |
| UPDATE_PROBE_MODULATION (pSite, pFrame); |
| |
| /* If the BSS type is independent, the beacon & probe modulation are equal, |
| It is important to update this field here for dynamic PBCC algorithm compatibility */ |
| if (pSite->bssType == BSS_INDEPENDENT) |
| UPDATE_BEACON_MODULATION (pSite, pFrame); |
| |
| UPDATE_PROBE_RECV (pSite); |
| UPDATE_FRAME_BUFFER (pScanResultTable, (pSite->probeRespBuffer), (pSite->probeRespLength), pFrame); |
| } |
| else |
| { |
| TRACE1(pScanResultTable->hReport, REPORT_SEVERITY_ERROR , "scanResultTable_UpdateSiteData: unknown frame sub type %d\n", pFrame->parsedIEs->subType); |
| } |
| } |
| |
| /** |
| * \fn scanResultTable_updateRates |
| * \brief Update a scan result table entry with rates information |
| * |
| * Called by the function 'updateSiteInfo()' in order to translate the rates received |
| * in the beacon or probe response to rate used by the driver. Perfoms the following: |
| * - Check the rates. validity. If rates are invalid, return |
| * - Get the max active rate & max basic rate, if invalid, return |
| * - Translate the max active rate and max basic rate from network rates to host rates. |
| * The max active & max basic rate are used by the driver from now on in all the processes: |
| * (selection, join, transmission, etc....) |
| * |
| * \param hScanResultTable - handle to the scan result table object |
| * \param pSite - a pointer to the site entry to update |
| * \param pFrame - a pointer to the received frame |
| * \return None |
| * \sa scanResultTable_UpdateSiteData |
| */ |
| void scanResultTable_updateRates(TI_HANDLE hScanResultTable, TSiteEntry *pSite, TScanFrameInfo *pFrame) |
| { |
| TScanResultTable *pScanResultTable = (TScanResultTable*)hScanResultTable; |
| TI_UINT8 maxBasicRate = 0, maxActiveRate = 0; |
| TI_UINT32 bitMapExtSupp = 0; |
| |
| if (pFrame->parsedIEs->content.iePacket.pRates == NULL) |
| { |
| TRACE0(pScanResultTable->hReport, REPORT_SEVERITY_ERROR, "scanResultTable_updateRates, pRates=NULL, beacon & probeResp are:\n"); |
| TRACE_INFO_HEX(pScanResultTable->hReport, (TI_UINT8*)pFrame->parsedIEs->content.iePacket.pRates, pFrame->parsedIEs->content.iePacket.pRates->hdr[1]+2); |
| TRACE_INFO_HEX(pScanResultTable->hReport, (TI_UINT8*)pFrame->parsedIEs->content.iePacket.pRates, pFrame->parsedIEs->content.iePacket.pRates->hdr[1]+2); |
| return; |
| } |
| |
| /* Update the rate elements */ |
| maxBasicRate = rate_GetMaxBasicFromStr ((TI_UINT8 *)pFrame->parsedIEs->content.iePacket.pRates->rates, |
| pFrame->parsedIEs->content.iePacket.pRates->hdr[1], maxBasicRate); |
| maxActiveRate = rate_GetMaxActiveFromStr ((TI_UINT8 *)pFrame->parsedIEs->content.iePacket.pRates->rates, |
| pFrame->parsedIEs->content.iePacket.pRates->hdr[1], maxActiveRate); |
| |
| if (pFrame->parsedIEs->content.iePacket.pExtRates) |
| { |
| maxBasicRate = rate_GetMaxBasicFromStr ((TI_UINT8 *)pFrame->parsedIEs->content.iePacket.pExtRates->rates, |
| pFrame->parsedIEs->content.iePacket.pExtRates->hdr[1], maxBasicRate); |
| maxActiveRate = rate_GetMaxActiveFromStr ((TI_UINT8 *)pFrame->parsedIEs->content.iePacket.pExtRates->rates, |
| pFrame->parsedIEs->content.iePacket.pExtRates->hdr[1], maxActiveRate); |
| } |
| |
| if (maxActiveRate == 0) |
| { |
| maxActiveRate = maxBasicRate; |
| } |
| |
| /* Now update it from network to host rates */ |
| pSite->maxBasicRate = rate_NetToDrv (maxBasicRate); |
| pSite->maxActiveRate = rate_NetToDrv (maxActiveRate); |
| if (pSite->maxActiveRate == DRV_RATE_INVALID) |
| TRACE0(pScanResultTable->hReport, REPORT_SEVERITY_ERROR, "scanResultTable_updateRates: Network To Host Rate failure, no active network rate\n"); |
| |
| if (pSite->maxBasicRate != DRV_RATE_INVALID) |
| { |
| if (pSite->maxActiveRate != DRV_RATE_INVALID) |
| { |
| pSite->maxActiveRate = TI_MAX (pSite->maxActiveRate, pSite->maxBasicRate); |
| } |
| } else { /* in case some vendors don't specify basic rates */ |
| TRACE0(pScanResultTable->hReport, REPORT_SEVERITY_WARNING, "scanResultTable_updateRates: Network To Host Rate failure, no basic network rate"); |
| pSite->maxBasicRate = pSite->maxActiveRate; |
| } |
| |
| /* build rates bit map */ |
| rate_NetStrToDrvBitmap (&pSite->rateMask.supportedRateMask, |
| pFrame->parsedIEs->content.iePacket.pRates->rates, |
| pFrame->parsedIEs->content.iePacket.pRates->hdr[1]); |
| rate_NetBasicStrToDrvBitmap (&pSite->rateMask.basicRateMask, |
| pFrame->parsedIEs->content.iePacket.pRates->rates, |
| pFrame->parsedIEs->content.iePacket.pRates->hdr[1]); |
| |
| if (pFrame->parsedIEs->content.iePacket.pExtRates) |
| { |
| rate_NetStrToDrvBitmap (&bitMapExtSupp, |
| pFrame->parsedIEs->content.iePacket.pExtRates->rates, |
| pFrame->parsedIEs->content.iePacket.pExtRates->hdr[1]); |
| |
| pSite->rateMask.supportedRateMask |= bitMapExtSupp; |
| |
| rate_NetBasicStrToDrvBitmap (&bitMapExtSupp, |
| pFrame->parsedIEs->content.iePacket.pExtRates->rates, |
| pFrame->parsedIEs->content.iePacket.pExtRates->hdr[1]); |
| |
| pSite->rateMask.basicRateMask |= bitMapExtSupp; |
| } |
| } |
| |
| /** |
| * \fn scanResultTable_UpdateWSCParams |
| * \brief Update a scan result table entry with WSC information |
| * |
| * Update a scan result table entry with WSC information |
| * |
| * \param pSite - a pointer to the site entry to update |
| * \param pFrame - a pointer to the received frame |
| * \return None |
| * \sa scanResultTable_UpdateSiteData |
| */ |
| void scanResultTable_UpdateWSCParams (TSiteEntry *pSite, TScanFrameInfo *pFrame) |
| { |
| /* if the IE is not null => the WSC is on - check which method is supported */ |
| if (pFrame->parsedIEs->content.iePacket.WSCParams != NULL) |
| { |
| TI_UINT8 *tlvPtr,*endPtr; |
| TI_UINT16 tlvPtrType,tlvPtrLen,selectedMethod=0; |
| |
| tlvPtr = (TI_UINT8*)pFrame->parsedIEs->content.iePacket.WSCParams->WSCBeaconOrProbIE; |
| endPtr = tlvPtr + pFrame->parsedIEs->content.iePacket.WSCParams->hdr[1] - (DOT11_OUI_LEN + 1); |
| |
| do |
| { |
| tlvPtrType = WLANTOHS (WLAN_WORD(tlvPtr)); |
| |
| if (tlvPtrType == DOT11_WSC_DEVICE_PASSWORD_ID) |
| { |
| tlvPtr+=2; |
| tlvPtr+=2; |
| selectedMethod = WLANTOHS (WLAN_WORD(tlvPtr)); |
| break; |
| } |
| else |
| { |
| tlvPtr+=2; |
| tlvPtrLen = WLANTOHS (WLAN_WORD(tlvPtr)); |
| tlvPtr+=tlvPtrLen+2; |
| } |
| } while ((tlvPtr < endPtr) && (selectedMethod == 0)); |
| |
| if (tlvPtr > endPtr) |
| { |
| pSite->WSCSiteMode = TIWLN_SIMPLE_CONFIG_OFF; |
| return; |
| } |
| |
| if (selectedMethod == DOT11_WSC_DEVICE_PASSWORD_ID_PIN) |
| pSite->WSCSiteMode = TIWLN_SIMPLE_CONFIG_PIN_METHOD; |
| else if (selectedMethod == DOT11_WSC_DEVICE_PASSWORD_ID_PBC) |
| pSite->WSCSiteMode = TIWLN_SIMPLE_CONFIG_PBC_METHOD; |
| else |
| pSite->WSCSiteMode = TIWLN_SIMPLE_CONFIG_OFF; |
| } |
| else |
| { |
| pSite->WSCSiteMode = TIWLN_SIMPLE_CONFIG_OFF; |
| } |
| } |
| |
| /** |
| * \fn scanResultTable_CalculateBssidListSize |
| * \brief Calculates the size required for BSSID list storage |
| * |
| * Calculates the size required for BSSID list storage |
| * |
| * \param hScanResultTable - handle to the scan result table object |
| * \param bAllVarIes - whether to include all variable size IEs |
| * \return The total length required |
| * \sa scanResultTable_GetBssidList |
| */ |
| TI_UINT32 scanResultTable_CalculateBssidListSize (TI_HANDLE hScanResultTable, TI_BOOL bAllVarIes) |
| { |
| TScanResultTable *pScanResultTable = (TScanResultTable*)hScanResultTable; |
| TI_UINT32 uSiteIndex, uSiteLength, uLength = 0; |
| TSiteEntry *pSiteEntry; |
| |
| /* set the length of the list header (sites count) */ |
| uLength = sizeof(OS_802_11_BSSID_LIST_EX) - sizeof(OS_802_11_BSSID_EX); |
| |
| /* check lengthes of all sites in the table */ |
| for (uSiteIndex = 0; uSiteIndex < pScanResultTable->uCurrentSiteNumber; uSiteIndex++) |
| { |
| pSiteEntry = &(pScanResultTable->pTable[ uSiteIndex ]); |
| /* if full list is requested */ |
| if (bAllVarIes) |
| { |
| /* set length of all IEs for this site */ |
| uSiteLength = sizeof(OS_802_11_BSSID_EX) + sizeof(OS_802_11_FIXED_IEs); |
| /* and add beacon or probe response length */ |
| if (TI_TRUE == pSiteEntry->probeRecv) |
| { |
| uSiteLength += pSiteEntry->probeRespLength; |
| } |
| else |
| { |
| uSiteLength += pSiteEntry->beaconLength; |
| } |
| |
| } |
| /* partial list is requested */ |
| else |
| { |
| uSiteLength = (sizeof(OS_802_11_BSSID_EX) + sizeof(OS_802_11_FIXED_IEs) + |
| (pSiteEntry->ssid.len + 2) + (DOT11_MAX_SUPPORTED_RATES + 2) + |
| + (DOT11_DS_PARAMS_ELE_LEN +2) + pSiteEntry->rsnIeLen); |
| |
| /* QOS_WME information element */ |
| if (pSiteEntry->WMESupported) |
| { |
| /* length of element + header */ |
| uSiteLength += (DOT11_WME_PARAM_ELE_LEN + 2); |
| } |
| } |
| |
| /* make sure length is 4 bytes aligned */ |
| if (uSiteLength % 4) |
| { |
| uSiteLength += (4 - (uSiteLength % 4)); |
| } |
| |
| /* add this site length to the total length */ |
| uLength += uSiteLength; |
| |
| TRACE2(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_calculateBssidListSize: BSSID length=%d on site index %d\n", uSiteLength, uSiteIndex); |
| } |
| |
| TRACE1(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_calculateBssidListSize: total length=%d \n", uLength); |
| |
| return uLength; |
| } |
| |
| /** |
| * \fn scanResultTable_GetBssidList |
| * \brief Retrieves the site table content |
| * |
| * Retrieves the site table content |
| * |
| * \param hScanResultTable - handle to the scan result table object |
| * \param pBssidList - pointer to a buffer large enough to hols the BSSID list |
| * \param plength - length of the supplied buffer, will be overwritten with the actual list length |
| * \param bAllVarIes - whether to include all variable size IEs |
| * \return None |
| * \sa scanResultTable_CalculateBssidListSize |
| */ |
| TI_STATUS scanResultTable_GetBssidList (TI_HANDLE hScanResultTable, |
| OS_802_11_BSSID_LIST_EX *pBssidList, |
| TI_UINT32 *pLength, |
| TI_BOOL bAllVarIes) |
| { |
| TScanResultTable *pScanResultTable = (TScanResultTable*)hScanResultTable; |
| TI_UINT32 uLength, uSiteIndex, rsnIndex, rsnIeLength, len, firstOFDMloc = 0; |
| TSiteEntry *pSiteEntry; |
| OS_802_11_BSSID_EX *pBssid; |
| OS_802_11_FIXED_IEs *pFixedIes; |
| OS_802_11_VARIABLE_IEs *pVarIes; |
| TI_UINT8 *pData; |
| |
| TRACE2(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_GetBssidList called, pBssidList= 0x%p, pLength=%d\n", pBssidList, *pLength); |
| |
| /* verify the supplied length is enough */ |
| uLength = scanResultTable_CalculateBssidListSize (hScanResultTable, bAllVarIes); |
| if (uLength > *pLength) |
| { |
| TRACE2(pScanResultTable->hReport, REPORT_SEVERITY_ERROR , "scanResultTable_GetBssidList: received length %d, insufficient to hold list of size %d\n", *pLength, uLength); |
| *pLength = uLength; |
| return TI_NOK; |
| } |
| #ifdef TI_DBG |
| else |
| { |
| TRACE2(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_GetBssidList: supplied length: %d, required length: %d\n", *pLength, uLength); |
| } |
| #endif |
| |
| /* Nullify number of items in the BSSID list */ |
| pBssidList->NumberOfItems = 0; |
| |
| /* set length to list header size (only list count) */ |
| uLength = sizeof(OS_802_11_BSSID_LIST_EX) - sizeof(OS_802_11_BSSID_EX); |
| |
| /* set data pointer to first item in list */ |
| pData = (TI_UINT8*)&(pBssidList->Bssid[0]); |
| |
| for (uSiteIndex = 0; uSiteIndex < pScanResultTable->uCurrentSiteNumber; uSiteIndex++) |
| { |
| /* set BSSID entry pointer to current location in buffer */ |
| pBssid = (OS_802_11_BSSID_EX*)pData; |
| |
| /* set pointer to site entry */ |
| pSiteEntry = &(pScanResultTable->pTable[ uSiteIndex ]); |
| |
| TRACE7(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_GetBssidList: copying entry at index %d, BSSID %02x:%02x:%02x:%02x:%02x:%02x\n", uSiteIndex, pSiteEntry->bssid[ 0 ], pSiteEntry->bssid[ 1 ], pSiteEntry->bssid[ 2 ], pSiteEntry->bssid[ 3 ], pSiteEntry->bssid[ 4 ], pSiteEntry->bssid[ 5 ]); |
| |
| /* start copy stuff: */ |
| /* MacAddress */ |
| MAC_COPY (pBssid->MacAddress, pSiteEntry->bssid); |
| |
| /* Capabilities */ |
| pBssid->Capabilities = pSiteEntry->capabilities; |
| |
| /* SSID */ |
| os_memoryZero (pScanResultTable->hOS, &(pBssid->Ssid.Ssid), MAX_SSID_LEN); |
| if (pSiteEntry->ssid.len > MAX_SSID_LEN) |
| { |
| pSiteEntry->ssid.len = MAX_SSID_LEN; |
| } |
| os_memoryCopy (pScanResultTable->hOS, |
| (void *)pBssid->Ssid.Ssid, |
| (void *)pSiteEntry->ssid.str, |
| pSiteEntry->ssid.len); |
| pBssid->Ssid.SsidLength = pSiteEntry->ssid.len; |
| |
| /* privacy */ |
| pBssid->Privacy = pSiteEntry->privacy; |
| |
| /* RSSI */ |
| pBssid->Rssi = pSiteEntry->rssi; |
| |
| pBssid->Configuration.Length = sizeof(OS_802_11_CONFIGURATION); |
| pBssid->Configuration.BeaconPeriod = pSiteEntry->beaconInterval; |
| pBssid->Configuration.ATIMWindow = pSiteEntry->atimWindow; |
| pBssid->Configuration.Union.channel = Chan2Freq(pSiteEntry->channel); |
| |
| if (pSiteEntry->bssType == BSS_INDEPENDENT) |
| pBssid->InfrastructureMode = os802_11IBSS; |
| else |
| pBssid->InfrastructureMode = os802_11Infrastructure; |
| /* Supported Rates */ |
| os_memoryZero (pScanResultTable->hOS, (void *)pBssid->SupportedRates, sizeof(OS_802_11_RATES_EX)); |
| rate_DrvBitmapToNetStr (pSiteEntry->rateMask.supportedRateMask, |
| pSiteEntry->rateMask.basicRateMask, |
| (TI_UINT8*)pBssid->SupportedRates, |
| &len, |
| &firstOFDMloc); |
| |
| /* set network type acording to band and rates */ |
| if (RADIO_BAND_2_4_GHZ == pSiteEntry->eBand) |
| { |
| if (firstOFDMloc == len) |
| { |
| pBssid->NetworkTypeInUse = os802_11DS; |
| } else { |
| pBssid->NetworkTypeInUse = os802_11OFDM24; |
| } |
| } |
| else |
| { |
| pBssid->NetworkTypeInUse = os802_11OFDM5; |
| } |
| |
| /* start copy IE's: first nullify length */ |
| pBssid->IELength = 0; |
| |
| /* copy fixed IEs from site entry */ |
| pFixedIes = (OS_802_11_FIXED_IEs*)&(pBssid->IEs[ pBssid->IELength ]); |
| os_memoryCopy (pScanResultTable->hOS, (void*)pFixedIes->TimeStamp, |
| &(pSiteEntry->tsfTimeStamp[ 0 ]), TIME_STAMP_LEN); |
| pFixedIes->BeaconInterval = pSiteEntry->beaconInterval; |
| pFixedIes->Capabilities = pSiteEntry->capabilities; |
| pBssid->IELength += sizeof(OS_802_11_FIXED_IEs); |
| |
| /* set pointer for variable length IE's */ |
| pVarIes = (OS_802_11_VARIABLE_IEs*)&(pBssid->IEs[ pBssid->IELength ]); |
| |
| if (!bAllVarIes) |
| { /* copy only some variable IEs */ |
| |
| /* copy SSID */ |
| pVarIes->ElementID = SSID_IE_ID; |
| pVarIes->Length = pSiteEntry->ssid.len; |
| os_memoryCopy (pScanResultTable->hOS, |
| (void *)pVarIes->data, |
| (void *)pSiteEntry->ssid.str, |
| pSiteEntry->ssid.len); |
| pBssid->IELength += (pVarIes->Length + 2); |
| |
| /* copy RATES */ |
| pVarIes = (OS_802_11_VARIABLE_IEs*)&(pBssid->IEs[ pBssid->IELength ]); |
| pVarIes->ElementID = SUPPORTED_RATES_IE_ID; |
| rate_DrvBitmapToNetStr (pSiteEntry->rateMask.supportedRateMask, |
| pSiteEntry->rateMask.basicRateMask, |
| (TI_UINT8 *)pVarIes->data, |
| &len, |
| &firstOFDMloc); |
| pVarIes->Length = len; |
| pBssid->IELength += (pVarIes->Length + 2); |
| |
| /* copy DS */ |
| pVarIes = (OS_802_11_VARIABLE_IEs*)&(pBssid->IEs[ pBssid->IELength ]); |
| pVarIes->ElementID = DS_PARAMETER_SET_IE_ID; |
| pVarIes->Length = DOT11_DS_PARAMS_ELE_LEN; |
| os_memoryCopy (pScanResultTable->hOS, (void *)pVarIes->data, |
| &(pSiteEntry->channel), DOT11_DS_PARAMS_ELE_LEN); |
| pBssid->IELength += (pVarIes->Length + 2); |
| |
| /* copy RSN information elements */ |
| if (0 < pSiteEntry->rsnIeLen) |
| { |
| rsnIeLength = 0; |
| for (rsnIndex=0; rsnIndex < MAX_RSN_IE && pSiteEntry->pRsnIe[ rsnIndex ].hdr[1] > 0; rsnIndex++) |
| { |
| pVarIes = (OS_802_11_VARIABLE_IEs*)&(pBssid->IEs[ pBssid->IELength + rsnIeLength ]); |
| pVarIes->ElementID = pSiteEntry->pRsnIe[ rsnIndex ].hdr[0]; |
| pVarIes->Length = pSiteEntry->pRsnIe[ rsnIndex ].hdr[1]; |
| os_memoryCopy (pScanResultTable->hOS, (void *)pVarIes->data, |
| (void *)pSiteEntry->pRsnIe[ rsnIndex ].rsnIeData, |
| pSiteEntry->pRsnIe[ rsnIndex ].hdr[1]); |
| rsnIeLength += pSiteEntry->pRsnIe[ rsnIndex ].hdr[1] + 2; |
| } |
| pBssid->IELength += pSiteEntry->rsnIeLen; |
| } |
| |
| /* QOS_WME/XCC */ |
| if (TI_TRUE == pSiteEntry->WMESupported) |
| { |
| /* oui */ |
| TI_UINT8 ouiWME[3] = {0x50, 0xf2, 0x01}; |
| dot11_WME_PARAM_t *pWMEParams; |
| |
| /* fill in the general element parameters */ |
| pVarIes = (OS_802_11_VARIABLE_IEs*)&(pBssid->IEs[ pBssid->IELength ]); |
| pVarIes->ElementID = DOT11_WME_ELE_ID; |
| pVarIes->Length = DOT11_WME_PARAM_ELE_LEN; |
| |
| /* fill in the specific element parameters */ |
| pWMEParams = (dot11_WME_PARAM_t*)pVarIes; |
| os_memoryCopy (pScanResultTable->hOS, (void *)pWMEParams->OUI, ouiWME, 3); |
| pWMEParams->OUIType = dot11_WME_OUI_TYPE; |
| pWMEParams->OUISubType = dot11_WME_OUI_SUB_TYPE_PARAMS_IE; |
| pWMEParams->version = dot11_WME_VERSION; |
| pWMEParams->ACInfoField = dot11_WME_ACINFO_MASK & pSiteEntry->lastWMEParameterCnt; |
| |
| /* fill in the data */ |
| os_memoryCopy (pScanResultTable->hOS, &(pWMEParams->WME_ACParameteres), |
| &(pSiteEntry->WMEParameters), sizeof(dot11_ACParameters_t)); |
| |
| |
| /* update the general length */ |
| pBssid->IELength += (pVarIes->Length + 2); |
| } |
| } |
| else |
| { /* Copy all variable IEs */ |
| if (pSiteEntry->probeRecv) |
| { |
| os_memoryCopy (pScanResultTable->hOS, pVarIes, |
| pSiteEntry->probeRespBuffer, pSiteEntry->probeRespLength); |
| pBssid->IELength += pSiteEntry->probeRespLength; |
| } |
| else |
| { |
| os_memoryCopy (pScanResultTable->hOS, pVarIes, |
| pSiteEntry->beaconBuffer, pSiteEntry->beaconLength); |
| pBssid->IELength += pSiteEntry->beaconLength; |
| } |
| } |
| |
| /* -1 to remove the IEs[1] placeholder in OS_802_11_BSSID_EX which is taken into account in pBssid->IELength */ |
| pBssid->Length = sizeof(OS_802_11_BSSID_EX) + pBssid->IELength - 1; |
| |
| TRACE2(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_GetBssidList: before alignment fix, IEs length: %d, BSSID length %d\n", pBssid->IELength, pBssid->Length); |
| |
| /* make sure length is 4 bytes aligned */ |
| if (pBssid->Length % 4) |
| { |
| pBssid->Length += (4 - (pBssid->Length % 4)); |
| } |
| |
| TRACE2(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_GetBssidList: after alignment fix, IEs length: %d, BSSID length %d\n", pBssid->IELength, pBssid->Length); |
| |
| pData += pBssid->Length; |
| uLength += pBssid->Length; |
| |
| TRACE1(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_GetBssidList: current length: %d\n", uLength); |
| } |
| |
| pBssidList->NumberOfItems = pScanResultTable->uCurrentSiteNumber; |
| *pLength = uLength; |
| |
| TRACE2(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_GetBssidList: total length: %d, number of items: %d\n", uLength, pBssidList->NumberOfItems); |
| |
| return TI_OK; |
| } |
| |
| |
| /*********************************************************************** |
| * siteMgr_CheckRxSignalValidity |
| *********************************************************************** |
| DESCRIPTION: Called by the scanResultTable_UpdateEntry when receiving managment frame |
| Find the ste in the site table and validate that the |
| RSSI of that site signal is not lower then -80DB + not lower |
| then the exising site RSSI |
| |
| |
| INPUT: hSiteMgr - site mgr handle. |
| rxLevel - Rx level the frame received in |
| bssid - BSSID of the frame |
| |
| OUTPUT: |
| |
| RETURN: TI_OK / TI_NOK |
| |
| ************************************************************************/ |
| /** |
| * \fn scanResultTable_CheckRxSignalValidity |
| * \brief return the state of the table to its state after scan |
| * |
| * Called by the scanResultTable_UpdateEntry when receiving managment frame |
| * validate that the RSSI of that site signal is not lower then then the exising site RSSI. |
| * validate that the channel in correct. |
| * |
| * \param pScanResultTable - scan result table object |
| * \param pSite - entry from the table |
| * \param rssi - RSSI level at which frame was received |
| * \param channel - channel on which the frame was received |
| * \return None |
| * \sa |
| */ |
| static TI_STATUS scanResultTable_CheckRxSignalValidity(TScanResultTable *pScanResultTable, TSiteEntry *pSite, TI_INT8 rxLevel, TI_UINT8 channel) |
| { |
| if ((channel != pSite->channel) && |
| (rxLevel < pSite->rssi)) |
| { /* Ignore wrong packets with lower RSSI that were detect as |
| ripples from different channels */ |
| TRACE4(pScanResultTable->hReport, REPORT_SEVERITY_WARNING, "scanResultTable_CheckRxSignalValidity:Rx RSSI =%d, on channel=%d, is lower then given RSSI =%d on channel=%d, dropping it.\n", rxLevel, channel, pSite->rssi, pSite->channel); |
| return TI_NOK; |
| } |
| |
| return TI_OK; |
| } |
| |
| |
| |
