/************************************************************************ * buildProbeReqTemplate * ************************************************************************ DESCRIPTION: This function build a probe request template to set to the HAL in the scan process. performs the following: - Build a template & set the template len, the template type is set in the site mgr INPUT: pSiteMgr - Handle to site manager pTemplate - Pointer to the template structure pSsid - Desired SSID OUTPUT: RETURN: TI_OK ************************************************************************/ TI_STATUS buildProbeReqTemplate(siteMgr_t * pSiteMgr, TSetTemplate * pTemplate, TSsid * pSsid, ERadioBand radioBand) { paramInfo_t param; char *pBuf; int i; probeReqTemplate_t *pBuffer = (probeReqTemplate_t *) pTemplate->ptr; TI_UINT32 size; dot11_RATES_t *pDot11Rates; TI_UINT32 len = 0, ofdmIndex = 0; TI_UINT32 suppRatesLen, extSuppRatesLen; TI_UINT8 ratesBuf[DOT11_MAX_SUPPORTED_RATES]; TI_UINT8 WSCOuiIe[DOT11_OUI_LEN] = { 0x00, 0x50, 0xf2, 0x04 }; TI_UINT32 supportedRateMask, basicRateMask; TI_UINT16 fc = DOT11_FC_PROBE_REQ; os_memoryZero(pSiteMgr->hOs, pBuffer, sizeof(probeReqTemplate_t)); /* * Header First */ /* Set destination address */ for (i = 0; i < MAC_ADDR_LEN; i++) pBuffer->hdr.DA[i] = 0xFF; /* Set BSSID address */ for (i = 0; i < MAC_ADDR_LEN; i++) pBuffer->hdr.BSSID[i] = 0xFF; /* Build Source address */ param.paramType = CTRL_DATA_MAC_ADDRESS; ctrlData_getParam(pSiteMgr->hCtrlData, ¶m); MAC_COPY(pBuffer->hdr.SA, param.content.ctrlDataDeviceMacAddress); COPY_WLAN_WORD(&pBuffer->hdr.fc, &fc); /* copy with endianess handling. */ size = sizeof(dot11_mgmtHeader_t); pBuf = (char *)&(pBuffer->infoElements); /* * Informataion elements */ /* SSID */ /* It looks like it never happens. Anyway decided to check */ if (pSsid->len > MAX_SSID_LEN) { TRACE2(pSiteMgr->hReport, REPORT_SEVERITY_ERROR, "buildProbeReqTemplate. pSsid->len=%d exceeds the limit %d\n", pSsid->len, MAX_SSID_LEN); handleRunProblem(PROBLEM_BUF_SIZE_VIOLATION); return TI_NOK; } ((dot11_SSID_t *) (pBuf))->hdr[0] = DOT11_SSID_ELE_ID; ((dot11_SSID_t *) (pBuf))->hdr[1] = pSsid->len; os_memoryCopy(pSiteMgr->hOs, pBuf + sizeof(dot11_eleHdr_t), (void *)pSsid->str, pSsid->len); size += sizeof(dot11_eleHdr_t) + pSsid->len; pBuf += sizeof(dot11_eleHdr_t) + pSsid->len; /* Rates */ pDot11Rates = (dot11_RATES_t *) pBuf; /* * Supported rates in probe request will always use the default rates for BG or A bands, * regardless of the STA desired rates. */ if (radioBand == RADIO_BAND_2_4_GHZ) { /* Basic rates: 1,2,5.5,11 */ basicRateMask = rate_BasicToDrvBitmap((EBasicRateSet) (pSiteMgr->pDesiredParams-> siteMgrRegstryBasicRate [DOT11_G_MODE]), TI_FALSE); /* Extended: 6,9,12,18,24,36,48,54 */ supportedRateMask = rate_SupportedToDrvBitmap((ESupportedRateSet) (pSiteMgr->pDesiredParams-> siteMgrRegstrySuppRate [DOT11_G_MODE]), TI_FALSE); } else if (radioBand == RADIO_BAND_5_0_GHZ) { /* Basic rates: 6,12,24 */ basicRateMask = rate_BasicToDrvBitmap((EBasicRateSet) (pSiteMgr->pDesiredParams-> siteMgrRegstryBasicRate [DOT11_A_MODE]), TI_TRUE); /* Extended: 9,18,24,36,48,54 */ supportedRateMask = rate_SupportedToDrvBitmap((ESupportedRateSet) (pSiteMgr->pDesiredParams-> siteMgrRegstrySuppRate [DOT11_A_MODE]), TI_TRUE); } else { TRACE1(pSiteMgr->hReport, REPORT_SEVERITY_ERROR, "buildProbeReqTemplate, radioBand =%d ???\n", radioBand); /* Use default and pray for the best */ /* Basic rates: 1,2,5.5,11 */ basicRateMask = rate_BasicToDrvBitmap(BASIC_RATE_SET_1_2_5_5_11, TI_FALSE); /* Extended: 6,9,12,18,24,36,48,54 */ supportedRateMask = rate_SupportedToDrvBitmap(SUPPORTED_RATE_SET_UP_TO_54, TI_FALSE); } rate_DrvBitmapToNetStr(supportedRateMask, basicRateMask, ratesBuf, &len, &ofdmIndex); TRACE5(pSiteMgr->hReport, REPORT_SEVERITY_INFORMATION, "buildProbeReqTemplate, supportedRateMask=0x%x, basicRateMask=0x%x, len=%d, ofdmIndex=%d, radioBand =%d\n", supportedRateMask, basicRateMask, len, ofdmIndex, radioBand); /* It looks like it never happens. Anyway decided to check */ if (len > DOT11_MAX_SUPPORTED_RATES) { TRACE2(pSiteMgr->hReport, REPORT_SEVERITY_ERROR, "buildProbeReqTemplate. len=%d exceeds the limit %d\n", len, DOT11_MAX_SUPPORTED_RATES); handleRunProblem(PROBLEM_BUF_SIZE_VIOLATION); return TI_NOK; } if (radioBand == RADIO_BAND_5_0_GHZ || pSiteMgr->pDesiredParams->siteMgrUseDraftNum == DRAFT_5_AND_EARLIER || ofdmIndex == len) { pDot11Rates->hdr[0] = DOT11_SUPPORTED_RATES_ELE_ID; pDot11Rates->hdr[1] = len; os_memoryCopy(pSiteMgr->hOs, (void *)pDot11Rates->rates, ratesBuf, pDot11Rates->hdr[1]); size += pDot11Rates->hdr[1] + sizeof(dot11_eleHdr_t); pBuf += pDot11Rates->hdr[1] + sizeof(dot11_eleHdr_t); } else { pDot11Rates->hdr[0] = DOT11_SUPPORTED_RATES_ELE_ID; pDot11Rates->hdr[1] = ofdmIndex; os_memoryCopy(pSiteMgr->hOs, (void *)pDot11Rates->rates, ratesBuf, pDot11Rates->hdr[1]); suppRatesLen = pDot11Rates->hdr[1] + sizeof(dot11_eleHdr_t); pDot11Rates = (dot11_RATES_t *) (pBuf + suppRatesLen); pDot11Rates->hdr[0] = DOT11_EXT_SUPPORTED_RATES_ELE_ID; pDot11Rates->hdr[1] = len - ofdmIndex; os_memoryCopy(pSiteMgr->hOs, (void *)pDot11Rates->rates, &ratesBuf[ofdmIndex], pDot11Rates->hdr[1]); extSuppRatesLen = pDot11Rates->hdr[1] + sizeof(dot11_eleHdr_t); size += suppRatesLen + extSuppRatesLen; pBuf += suppRatesLen + extSuppRatesLen; } /* add HT capabilities IE */ StaCap_GetHtCapabilitiesIe(pSiteMgr->hStaCap, (TI_UINT8 *) pBuf, &len); size += len; pBuf += len; /* WiFi Simple Config */ if (pSiteMgr->includeWSCinProbeReq && (pSiteMgr->siteMgrWSCCurrMode != TIWLN_SIMPLE_CONFIG_OFF)) { ((dot11_WSC_t *) pBuf)->hdr[0] = DOT11_WSC_PARAM_ELE_ID; ((dot11_WSC_t *) pBuf)->hdr[1] = pSiteMgr->uWscIeSize + DOT11_OUI_LEN; pBuf += sizeof(dot11_eleHdr_t); os_memoryCopy(pSiteMgr->hOs, pBuf, &WSCOuiIe, DOT11_OUI_LEN); os_memoryCopy(pSiteMgr->hOs, pBuf + DOT11_OUI_LEN, &pSiteMgr->siteMgrWSCProbeReqParams, pSiteMgr->uWscIeSize); size += sizeof(dot11_eleHdr_t) + pSiteMgr->uWscIeSize + DOT11_OUI_LEN; pBuf += sizeof(dot11_eleHdr_t) + pSiteMgr->uWscIeSize + DOT11_OUI_LEN; } pTemplate->len = size; return TI_OK; }
TI_UINT32 rate_GetDrvBitmapForDefaultBasicSet () { return rate_BasicToDrvBitmap (BASIC_RATE_SET_1_2_5_5_11, TI_FALSE); }