diff options
Diffstat (limited to 'wl1271/stad/src/Sta_Management/scanResultTable.c')
| -rw-r--r-- | wl1271/stad/src/Sta_Management/scanResultTable.c | 1368 |
1 files changed, 0 insertions, 1368 deletions
diff --git a/wl1271/stad/src/Sta_Management/scanResultTable.c b/wl1271/stad/src/Sta_Management/scanResultTable.c deleted file mode 100644 index 370e763..0000000 --- a/wl1271/stad/src/Sta_Management/scanResultTable.c +++ /dev/null @@ -1,1368 +0,0 @@ -/* - * scanResultTable.c - * - * Copyright(c) 1998 - 2010 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 MILISECONDS(seconds) (seconds * 1000) -#define UPDATE_LOCAL_TIMESTAMP(pSite, hOs) pSite->localTimeStamp = os_timeStampMs(hOs); - -#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_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; -#define UPDATE_UNKOWN_IE(pScanResultTable, pSite, pNewUnknwonIe, newUnknwonIeLen) if ((pNewUnknwonIe) != NULL) { \ - pSite->unknownIeLen = newUnknwonIeLen; \ - os_memoryCopy(pScanResultTable->hOS, \ - (void *)(pSite->pUnknownIe), \ - pNewUnknwonIe, \ - newUnknwonIeLen); \ - } else { \ - pSite->unknownIeLen = 0; \ - } - - -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 uEntriesNumber; /**< max size of the table */ - TI_UINT32 uIterator; /**< table iterator used for getFirst / getNext */ - TI_UINT32 uSraThreshold; /**< Rssi threshold for frame filtering */ - TI_BOOL bStable; /**< table status (updating / stable) */ - EScanResultTableClear eClearTable; /** inicates if table should be cleared at scan */ -} 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); -static void scanResultTable_RemoveEntry(TI_HANDLE hScanResultTable, TI_UINT32 uIndex); - - -/** - * \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, TI_UINT32 uEntriesNumber) -{ - TScanResultTable *pScanResultTable = NULL; - - /* Allocate object storage */ - pScanResultTable = (TScanResultTable*)os_memoryAlloc (hOS, sizeof(TScanResultTable)); - if (NULL == pScanResultTable) - { - /* because the malloc failure here the TRACEx can not be used (no pointer for the 1st parameter to TRACEx) */ - WLAN_OS_REPORT(("scanResultTable_Create: Unable to allocate memory for pScanResultTable of %d bytes\n", - sizeof (TScanResultTable))); - return NULL; /* this is done similarly to the next error case */ - } - - pScanResultTable->hOS = hOS; - /* allocate memory for sites' data */ - pScanResultTable->pTable = - (TSiteEntry *)os_memoryAlloc (pScanResultTable->hOS, sizeof (TSiteEntry) * uEntriesNumber); - if (NULL == pScanResultTable->pTable) - { - TRACE2(pScanResultTable->hReport, REPORT_SEVERITY_ERROR , - "scanResultTable_Create: Unable to allocate memory for %d entries of %d bytes\n", - uEntriesNumber , sizeof (TSiteEntry)); - os_memoryFree(pScanResultTable->hOS, pScanResultTable, sizeof(TScanResultTable)); - return NULL; - } - pScanResultTable->uEntriesNumber = uEntriesNumber; - os_memoryZero(pScanResultTable->hOS, pScanResultTable->pTable, sizeof(TSiteEntry) * uEntriesNumber); - 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 - * \param eClearTable - indicates if the table should be cleared, used when a frame arrives - * or setStable is called and the table is in stable state - * \return None - * \sa scanResultTable_Create - */ -void scanResultTable_Init (TI_HANDLE hScanResultTable, TStadHandlesList *pStadHandles, EScanResultTableClear eClearTable) -{ - 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; - pScanResultTable->eClearTable = eClearTable; - /* default Scan Result Aging threshold is 60 second */ - pScanResultTable->uSraThreshold = 60; -} - - -/** - * \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) * pScanResultTable->uEntriesNumber); - } - - /* free scan result table object memeory */ - os_memoryFree (pScanResultTable->hOS, (void*)hScanResultTable, sizeof (TScanResultTable)); -} - -/** - * \fn scanResultTable_SetSraThreshold - * \brief set Scan Result Aging threshold - * - * \param hScanResultTable - handle to the scan result table object - * \param uSraThreshold - Scan Result Aging threshold - * \return None - * \sa scanResultTable_performAging - */ -void scanResultTable_SetSraThreshold(TI_HANDLE hScanResultTable, TI_UINT32 uSraThreshold) -{ - TScanResultTable *pScanResultTable = (TScanResultTable*)hScanResultTable; - pScanResultTable->uSraThreshold = uSraThreshold; -} - -/** - * \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 entry if the site doesn't exist. - * If the table is in stable state, will move it to updating state and clear its contents if bClearTable - * is eClearTable. - * - * \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; - - if (SCAN_RESULT_TABLE_CLEAR == pScanResultTable->eClearTable) - { - /* clear table contents */ - pScanResultTable->uCurrentSiteNumber = 0; - } - } - - /* Verify that the SSID IE is available (if not return NOK) */ - if (NULL == pFrame->parsedIEs->content.iePacket.pSsid) - { - TRACE6(pScanResultTable->hReport, REPORT_SEVERITY_WARNING, "scanResultTable_UpdateEntry: can't add site %02d:%02d:%02d:%02d:%02d:%02d" " because SSID IE is NULL\n", pBssid[ 0 ], pBssid[ 1 ], pBssid[ 2 ], pBssid[ 3 ], pBssid[ 4 ], pBssid[ 5 ]); - return TI_NOK; - } - - /* use temporary SSID structure, and verify SSID length */ - tTempSsid.len = pFrame->parsedIEs->content.iePacket.pSsid->hdr[1]; - if (tTempSsid.len > MAX_SSID_LEN) - { - TRACE2(pScanResultTable->hReport, REPORT_SEVERITY_WARNING, "scanResultTable_UpdateEntry: SSID len=%d out of range. replaced by %d\n", tTempSsid.len, MAX_SSID_LEN); - return TI_NOK; - } - 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 - * \param eClearTable - indicates if the table should be cleared in case the table - * is in stable state (no result where received in last scan). - * \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) && (SCAN_RESULT_TABLE_CLEAR == pScanResultTable->eClearTable)) - { - 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, (TI_UINT8 *)(&(pSsid->str[ 0 ])), - (TI_UINT8 *)(&(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 scanResultTable_FindHidden - * \brief find entry with hidden SSID anfd return it's index - * - * \param hScanResultTable - handle to the scan result table object - * \param uHiddenSsidIndex - entry index to return - * \return TI_OK if found, TI_NOT if not. - */ -static TI_STATUS scanResultTable_FindHidden (TScanResultTable *pScanResultTable, TI_UINT32 *uHiddenSsidIndex) -{ - TI_UINT32 uIndex; - - TRACE0(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_FindHidden: Searching for hidden SSID\n"); - - /* check all entries in the table */ - for (uIndex = 0; uIndex < pScanResultTable->uCurrentSiteNumber; uIndex++) - { - /* check if entry is with hidden SSID */ - if ( (pScanResultTable->pTable[ uIndex ].ssid.len == 0) || - ((pScanResultTable->pTable[ uIndex ].ssid.len == 1) && (pScanResultTable->pTable[ uIndex ].ssid.str[0] == 0))) - { - TRACE1(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_FindHidden: Entry found at index %d\n", uIndex); - *uHiddenSsidIndex = uIndex; - return TI_OK; - } - } - - /* site wasn't found: return NULL */ - TRACE0(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_FindHidden: Entry was not found\n"); - return TI_NOK; -} - -/** - * \fn scanResultTable_performAging - * \brief Deletes from table all entries which are older than the Sra threshold - * - * \param hScanResultTable - handle to the scan result table object - * \return None - * \sa scanResultTable_SetSraThreshold - */ -void scanResultTable_PerformAging(TI_HANDLE hScanResultTable) -{ - TScanResultTable *pScanResultTable = (TScanResultTable*)hScanResultTable; - TI_UINT32 uIndex = 0; - - /* check all entries in the table */ - while (uIndex < pScanResultTable->uCurrentSiteNumber) - { - /* check if the entry's age is old if it remove it */ - if (pScanResultTable->pTable[uIndex].localTimeStamp < - os_timeStampMs(pScanResultTable->hOS) - MILISECONDS(pScanResultTable->uSraThreshold)) - { - /* The removeEntry places the last entry instead of the deleted entry - * in order to preserve the table's continuity. For this reason the - * uIndex is not incremented because we want to check the entry that - * was placed instead of the entry deleted */ - scanResultTable_RemoveEntry(hScanResultTable, uIndex); - } - else - { - /* If the entry was not deleted check the next entry */ - uIndex++; - } - } -} - -/** - * \fn scanResultTable_removeEntry - * \brief Deletes entry from table - * the function keeps a continuty in the table by copying the last - * entry in the table to the place the entry was deleted from - * - * \param hScanResultTable - handle to the scan result table object - * \param uIndex - index of the entry to be deleted - * \return TI_OK if entry deleted successfully TI_NOK otherwise - */ -void scanResultTable_RemoveEntry(TI_HANDLE hScanResultTable, TI_UINT32 uIndex) -{ - TScanResultTable *pScanResultTable = (TScanResultTable*)hScanResultTable; - - if (uIndex >= pScanResultTable->uCurrentSiteNumber) - { - TRACE1(pScanResultTable->hReport, REPORT_SEVERITY_ERROR , "scanResultTable_removeEntry: %d out of bound entry index\n", uIndex); - return; - } - - /* if uIndex is not the last entry, then copy the last entry in the table to the uIndex entry */ - if (uIndex < (pScanResultTable->uCurrentSiteNumber - 1)) - { - os_memoryCopy(pScanResultTable->hOS, - &(pScanResultTable->pTable[uIndex]), - &(pScanResultTable->pTable[pScanResultTable->uCurrentSiteNumber - 1]), - sizeof(TSiteEntry)); - } - - /* clear the last entry */ - os_memoryZero(pScanResultTable->hOS, &(pScanResultTable->pTable[pScanResultTable->uCurrentSiteNumber - 1]), sizeof(TSiteEntry)); - /* decrease the current table size */ - pScanResultTable->uCurrentSiteNumber--; -} - -/** - * \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 uHiddenSsidIndex; - - /* if the table is full */ - if (pScanResultTable->uCurrentSiteNumber >= pScanResultTable->uEntriesNumber) - { - /* replace hidden SSID entry with the new result */ - if (scanResultTable_FindHidden(pScanResultTable, &uHiddenSsidIndex) == TI_OK) - { - TRACE1(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTbale_AllocateNewEntry: Table is full, found hidden SSID at index %d to replace with\n", uHiddenSsidIndex); - - /* Nullify new site data */ - os_memoryZero(pScanResultTable->hOS, &(pScanResultTable->pTable[ uHiddenSsidIndex ]), sizeof (TSiteEntry)); - - /* return the site */ - return &(pScanResultTable->pTable[ uHiddenSsidIndex ]); - } - - TRACE0(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTbale_AllocateNewEntry: Table is full, no Hidden SSDI to replace, 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 */ - os_memoryZero(pScanResultTable->hOS, &(pScanResultTable->pTable[ pScanResultTable->uCurrentSiteNumber ]), sizeof (TSiteEntry)); - - /* 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 SSID */ - if (pFrame->parsedIEs->content.iePacket.pSsid != NULL) - { - pSite->ssid.len = pFrame->parsedIEs->content.iePacket.pSsid->hdr[1]; - if (pSite->ssid.len > MAX_SSID_LEN) - { - TRACE2( pScanResultTable->hReport, REPORT_SEVERITY_ERROR, "scanResultTable_UpdateSiteData: pSite->ssid.len=%d exceeds the limit. Set to limit value %d\n", pSite->ssid.len, MAX_SSID_LEN); - pSite->ssid.len = MAX_SSID_LEN; - } - os_memoryCopy(pScanResultTable->hOS, - (void *)pSite->ssid.str, - (void *)pFrame->parsedIEs->content.iePacket.pSsid->serviceSetId, - pSite->ssid.len); - if (pSite->ssid.len < MAX_SSID_LEN) - { - pSite->ssid.str[pSite->ssid.len] = '\0'; - } - } - - /* Since a new scan was initiated the entry can be selected again */ - pSite->bConsideredForSelect = TI_FALSE; - UPDATE_LOCAL_TIMESTAMP(pSite, pScanResultTable->hOS); - - UPDATE_BSSID (pSite, pFrame); - UPDATE_BAND (pSite, pFrame); - UPDATE_BEACON_INTERVAL (pSite, pFrame); - UPDATE_CAPABILITIES (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); - UPDATE_UNKOWN_IE(pScanResultTable, pSite, pFrame->parsedIEs->content.iePacket.pUnknownIe, pFrame->parsedIEs->content.iePacket.unknownIeLen ); - - 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_ERROR , "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); - siteMgr_UpdatHtParams (pScanResultTable->hSiteMgr, pSite, pFrame->parsedIEs); - - 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); - } - - pSite->bChannelSwitchAnnoncIEFound = (pFrame->parsedIEs->content.iePacket.channelSwitch != NULL)?TI_TRUE:TI_FALSE; - - 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); - - pSite->bChannelSwitchAnnoncIEFound = TI_FALSE; - } - 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; - TI_UINT32 uMcsSupportedRateMask = 0, uMcsbasicRateMask = 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 = (TI_UINT8)rate_GetMaxBasicFromStr ((TI_UINT8 *)pFrame->parsedIEs->content.iePacket.pRates->rates, - pFrame->parsedIEs->content.iePacket.pRates->hdr[1], (ENetRate)maxBasicRate); - maxActiveRate = (TI_UINT8)rate_GetMaxActiveFromStr ((TI_UINT8 *)pFrame->parsedIEs->content.iePacket.pRates->rates, - pFrame->parsedIEs->content.iePacket.pRates->hdr[1], (ENetRate)maxActiveRate); - - if (pFrame->parsedIEs->content.iePacket.pExtRates) - { - maxBasicRate = (TI_UINT8)rate_GetMaxBasicFromStr ((TI_UINT8 *)pFrame->parsedIEs->content.iePacket.pExtRates->rates, - pFrame->parsedIEs->content.iePacket.pExtRates->hdr[1], (ENetRate)maxBasicRate); - maxActiveRate = (TI_UINT8)rate_GetMaxActiveFromStr ((TI_UINT8 *)pFrame->parsedIEs->content.iePacket.pExtRates->rates, - pFrame->parsedIEs->content.iePacket.pExtRates->hdr[1], (ENetRate)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; - } - - if (pFrame->parsedIEs->content.iePacket.pHtCapabilities != NULL) - { - /* MCS build rates bit map */ - rate_McsNetStrToDrvBitmap (&uMcsSupportedRateMask, - (pFrame->parsedIEs->content.iePacket.pHtCapabilities->aHtCapabilitiesIe + DOT11_HT_CAPABILITIES_MCS_RATE_OFFSET)); - - pSite->rateMask.supportedRateMask |= uMcsSupportedRateMask; - } - - if (pFrame->parsedIEs->content.iePacket.pHtInformation != NULL) - { - /* MCS build rates bit map */ - rate_McsNetStrToDrvBitmap (&uMcsbasicRateMask, - (pFrame->parsedIEs->content.iePacket.pHtInformation->aHtInformationIe + DOT11_HT_INFORMATION_MCS_RATE_OFFSET)); - - pSite->rateMask.basicRateMask |= uMcsbasicRateMask; - } -} - -/** - * \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; - - 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_GetNumOfBSSIDInTheList - * \brief Returns the number of BSSID's in the scan result list - * - * \param hScanResultTable - handle to the scan result table - * \return The number of BSSID's in the list - * \sa scanResultTable_GetBssidSupportedRatesList - */ -TI_UINT32 scanResultTable_GetNumOfBSSIDInTheList (TI_HANDLE hScanResultTable) -{ - return ((TScanResultTable*)hScanResultTable)->uCurrentSiteNumber; -} - -/** - * \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 + pSiteEntry->unknownIeLen); - - /* 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); - } - - /* Copy the unknown IEs */ - if ( 0 < pSiteEntry->unknownIeLen ) { - os_memoryCopy (pScanResultTable->hOS, (void *)(&pBssid->IEs[ pBssid->IELength ]), - (void *)pSiteEntry->pUnknownIe, - pSiteEntry->unknownIeLen ); - pBssid->IELength += pSiteEntry->unknownIeLen; - } - - } - else - { /* Copy all variable IEs */ - if (pSiteEntry->probeRecv) - { - /* It looks like it never happens. Anyway decided to check */ - if ( pSiteEntry->probeRespLength > MAX_BEACON_BODY_LENGTH ) - /* it may have sense to check the Len here for 0 or MIN_BEACON_BODY_LENGTH also */ - { - TRACE2( pScanResultTable->hReport, REPORT_SEVERITY_ERROR, - "scanResultTable_GetBssidList. pSiteEntry->probeRespLength=%d exceeds the limit %d\n", - pSiteEntry->probeRespLength, MAX_BEACON_BODY_LENGTH); - handleRunProblem(PROBLEM_BUF_SIZE_VIOLATION); - return TI_NOK; - } - os_memoryCopy (pScanResultTable->hOS, pVarIes, - pSiteEntry->probeRespBuffer, pSiteEntry->probeRespLength); - pBssid->IELength += pSiteEntry->probeRespLength; - } - else - { - /* It looks like it never happens. Anyway decided to check */ - if ( pSiteEntry->beaconLength > MAX_BEACON_BODY_LENGTH ) - /* it may have sense to check the Len here for 0 or MIN_BEACON_BODY_LENGTH also */ - { - TRACE2( pScanResultTable->hReport, REPORT_SEVERITY_ERROR, - "scanResultTable_GetBssidList. pSiteEntry->beaconLength=%d exceeds the limit %d\n", - pSiteEntry->beaconLength, MAX_BEACON_BODY_LENGTH); - handleRunProblem(PROBLEM_BUF_SIZE_VIOLATION); - return TI_NOK; - } - 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; -} - - -/** - * \fn scanResultTable_GetBssidSupportedRatesList - * \brief Retrieves the Rate table corresponding with the site - * table - * - * - * \param hScanResultTable - handle to the scan result table object - * \param pRateList - pointer to a buffer large enough to hols - * the rate list - * \param pLength - length of the supplied buffer, - * \return TI_STATUS - * \sa scanResultTable_GetBssidSupportedRatesList - */ -TI_STATUS scanResultTable_GetBssidSupportedRatesList (TI_HANDLE hScanResultTable, - OS_802_11_N_RATES *pRateList, - TI_UINT32 *pLength) -{ - TScanResultTable *pScanResultTable = (TScanResultTable*)hScanResultTable; - TSiteEntry *pSiteEntry; - TI_UINT32 uSiteIndex, firstOFDMloc = 0; - TI_UINT32 requiredLength; - OS_802_11_N_RATES *pCurrRateString; - - TRACE0(pScanResultTable->hReport, REPORT_SEVERITY_INFORMATION , "scanResultTable_GetBssidSupportedRatesList called"); - - /* Verify the supplied length is enough*/ - requiredLength = pScanResultTable->uCurrentSiteNumber*sizeof(OS_802_11_N_RATES); - if (requiredLength > *pLength) - { - TRACE2(pScanResultTable->hReport, REPORT_SEVERITY_ERROR , "scanResultTable_GetBssidSupportedRatesList: received length %d, insufficient to hold list of size %d\n", *pLength, requiredLength); - *pLength = requiredLength; - return TI_NOK; - } - - /* Create the rate list*/ - for (uSiteIndex = 0; uSiteIndex < pScanResultTable->uCurrentSiteNumber; uSiteIndex++) - { - pCurrRateString = &(pRateList[uSiteIndex]); - pSiteEntry = &(pScanResultTable->pTable[ uSiteIndex ]); - - /* Supported Rates */ - os_memoryZero (pScanResultTable->hOS, (void *)pCurrRateString, sizeof(OS_802_11_N_RATES)); - rate_DrvBitmapToNetStrIncluding11n (pSiteEntry->rateMask.supportedRateMask, - pSiteEntry->rateMask.basicRateMask, - (TI_UINT8*)pCurrRateString, - &firstOFDMloc); - } - - 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; -} - - - |