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/*
* StaCap.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 StaCap.c
* \brief STA capabilities module that responsible to publish STA capabilities to all others modules.
*
* \see StaCap.c
*/
#define __FILE_ID__ FILE_ID_86
#include "osApi.h"
#include "report.h"
#include "StaCap.h"
#include "TWDriver.h"
#include "802_11Defs.h"
#include "qosMngr_API.h"
#include "Device1273.h"
#include "smeApi.h"
/**
* \fn staCap_Create
* \brief Create the staCap module.
*
* Allocate and clear the staCap module object.
*
* \param hOs - Handle to Os Abstraction Layer
* \return Handle of the allocated object
* \sa staCap_Destroy
*/
TI_HANDLE StaCap_Create (TI_HANDLE hOs)
{
TI_HANDLE hStaCap;
/* allocate module object */
hStaCap = os_memoryAlloc (hOs, sizeof(TStaCap));
if (!hStaCap)
{
WLAN_OS_REPORT (("StaCap_Create(): Allocation failed!!\n"));
return NULL;
}
os_memoryZero (hOs, hStaCap, (sizeof(TStaCap)));
return (hStaCap);
}
/**
* \fn StaCap_Destroy
* \brief Destroy the module.
*
* Free the module's queues and object.
*
* \param hStaCap - The module object
* \return TI_OK on success or TI_NOK on failure
* \sa StaCap_Create
*/
TI_STATUS StaCap_Destroy (TI_HANDLE hStaCap)
{
TStaCap *pStaCap = (TStaCap *)hStaCap;
/* free module object */
os_memoryFree (pStaCap->hOs, pStaCap, sizeof(TStaCap));
return TI_OK;
}
/**
* \fn StaCap_Init
* \brief Init required handles
*
* Init required handles and module variables.
*
* \note
* \param pStadHandles - The driver modules handles
* \return TI_OK on success or TI_NOK on failure
* \sa
*/
TI_STATUS StaCap_Init (TStadHandlesList *pStadHandles)
{
TStaCap *pStaCap = (TStaCap *)pStadHandles->hStaCap;
pStaCap->hOs = pStadHandles->hOs;
pStaCap->hReport = pStadHandles->hReport;
pStaCap->hTWD = pStadHandles->hTWD;
pStaCap->hQosMngr = pStadHandles->hQosMngr;
pStaCap->hSme = pStadHandles->hSme;
return TI_OK;
}
/**
* \fn StaCap_IsHtEnable
* \brief verify if HT enable\disable at the STA according to 11n_Enable init flag and Chip type
*
* \note
* \param hStaCap - The module object
* \param b11nEnable - pointer to enable\disable flag
* \return NONE
* \sa
*/
void StaCap_IsHtEnable (TI_HANDLE hStaCap, TI_BOOL *b11nEnable)
{
TStaCap *pStaCap = (TStaCap *)hStaCap;
TTwdHtCapabilities *pTwdHtCapabilities;
paramInfo_t tParam;
tParam.paramType = SME_DESIRED_BSS_TYPE_PARAM;
sme_GetParam (pStaCap->hSme, &tParam);
/* If Infra-BSS, get actual HT capabilities from TWD */
if (tParam.content.smeDesiredBSSType == BSS_INFRASTRUCTURE)
{
TWD_GetTwdHtCapabilities (pStaCap->hTWD, &pTwdHtCapabilities);
*b11nEnable = pTwdHtCapabilities->b11nEnable;
}
/* If IBSS, HT shouldn't be used */
else
{
*b11nEnable = TI_FALSE;
}
}
/**
* \fn StaCap_GetHtCapabilitiesIe
* \brief Get the desired STA HT capabilities IE. get the physical HT capabilities from TWD
* and build HT capabilities IE.
*
* \note
* \param hStaCap - The module object
* \param pRequest - pointer to request buffer\n
* \param len - size of returned IE\n
* \return TI_OK on success or TI_NOK on failure
* \sa
*/
TI_STATUS StaCap_GetHtCapabilitiesIe (TI_HANDLE hStaCap, TI_UINT8 *pRequest, TI_UINT32 *pLen)
{
TStaCap *pStaCap = (TStaCap *)hStaCap;
TTwdHtCapabilities *pTwdHtCapabilities;
TI_UINT8 *pDataBuf = pRequest;
TStaCapHtCapabilities tHtCapabilities;
TI_BOOL bWmeEnable;
/* verify that WME flag enable */
qosMngr_GetWmeEnableFlag (pStaCap->hQosMngr, &bWmeEnable);
if (bWmeEnable == TI_FALSE)
{
TRACE0(pStaCap->hReport, REPORT_SEVERITY_INFORMATION, "StaCap_GetHtCapabilitiesIe: 802.11n disable due to WME init flag.\n");
*pLen = 0;
return TI_OK;
}
TWD_GetTwdHtCapabilities (pStaCap->hTWD, &pTwdHtCapabilities);
/* verify that 802.11n flag enable */
if (pTwdHtCapabilities->b11nEnable == TI_FALSE)
{
TRACE0(pStaCap->hReport, REPORT_SEVERITY_INFORMATION, "StaCap_GetHtCapabilitiesIe: 802.11n disable due to 11n_Enable init flag.\n");
*pLen = 0;
return TI_OK;
}
/*
* set TWD values to HT capabilities structure
*
* Note: all numbers after "<<" represent the position of the values in the filed according
* to 11n SPEC.
*/
tHtCapabilities.uHtCapabilitiesInfo = ((pTwdHtCapabilities->uChannelWidth << 1) |
(pTwdHtCapabilities->uRxSTBC << 8) |
(pTwdHtCapabilities->uMaxAMSDU << 11)|
(DSSS_CCK_MODE << 12));
tHtCapabilities.uHtCapabilitiesInfo |= ((((pTwdHtCapabilities->uHTCapabilitiesBitMask & CAP_BIT_MASK_LDPC_CODING) ? 1 : 0) << 0) |
(((pTwdHtCapabilities->uHTCapabilitiesBitMask & CAP_BIT_MASK_GREENFIELD_FRAME_FORMAT) ? 1 : 0) << 4) |
(((pTwdHtCapabilities->uHTCapabilitiesBitMask & CAP_BIT_MASK_SHORT_GI_FOR_20MHZ_PACKETS) ? 1 : 0) << 5) |
(((pTwdHtCapabilities->uHTCapabilitiesBitMask & CAP_BIT_MASK_SHORT_GI_FOR_40MHZ_PACKETS) ? 1 : 0) << 6) |
(((pTwdHtCapabilities->uHTCapabilitiesBitMask & CAP_BIT_MASK_SUPPORT_FOR_STBC_IN_TRANSMISSION) ? 1 : 0) << 7) |
(((pTwdHtCapabilities->uHTCapabilitiesBitMask & CAP_BIT_MASK_DELAYED_BLOCK_ACK) ? 1 : 0) << 10) |
(((pTwdHtCapabilities->uHTCapabilitiesBitMask & CAP_BIT_MASK_DSSS_CCK_IN_40_MHZ) ? 1 : 0) << 12) |
(((pTwdHtCapabilities->uHTCapabilitiesBitMask & CAP_BIT_MASK_LSIG_TXOP_PROTECTION) ? 1 : 0) << 15));
tHtCapabilities.uAMpduParam = ((pTwdHtCapabilities->uMaxAMPDU << 0) |
(pTwdHtCapabilities->uAMPDUSpacing << 2));
/* copy RX supported MCS rates */
os_memoryCopy (pStaCap->hOs, tHtCapabilities.tSuppMcsSet.aRxMscBitmask, pTwdHtCapabilities->aRxMCS, RX_TX_MCS_BITMASK_SIZE);
tHtCapabilities.tSuppMcsSet.uHighestSupportedDataRate = pTwdHtCapabilities->uRxMaxDataRate;
/* check if supported MCS rates identical to TX and RX */
if( 0 == os_memoryCompare(pStaCap->hOs, pTwdHtCapabilities->aRxMCS, pTwdHtCapabilities->aTxMCS, RX_TX_MCS_BITMASK_SIZE))
{
tHtCapabilities.tSuppMcsSet.uTxRxSetting = ((TX_MCS_SET_YES << 0) | /* set supported TX MCS rate */
(TX_RX_NOT_EQUAL_NO << 1)); /* set TX&RX MCS rate are equal */
}
/* in case supported MCS rates TX different from the RX */
else
{
TI_UINT32 i;
/* check if there are TX MCS rates supported */
for (i = 0; i <= (RX_TX_MCS_BITMASK_SIZE - 1); ++i)
{
if (pTwdHtCapabilities->aTxMCS[i] != 0)
{
break;
}
}
/* TX MCS supported */
if(i <= (RX_TX_MCS_BITMASK_SIZE -1))
{
tHtCapabilities.tSuppMcsSet.uTxRxSetting = ((TX_MCS_SET_YES << 0) | /* set supported TX MCS rates */
(TX_RX_NOT_EQUAL_YES << 1)); /* set TX&RX MCS rates different */
}
/* TX MCS not supported */
else
{
tHtCapabilities.tSuppMcsSet.uTxRxSetting = (TX_MCS_SET_NO << 0); /* set no supported TX MCS rates */
}
}
tHtCapabilities.uExteCapabilities = (((pTwdHtCapabilities->uHTCapabilitiesBitMask & CAP_BIT_MASK_PCO) ? 1 : 0) << 0);
if (tHtCapabilities.uExteCapabilities != 0)
{
tHtCapabilities.uExteCapabilities |= (pTwdHtCapabilities->uPCOTransTime << 1);
}
tHtCapabilities.uExteCapabilities |= ((pTwdHtCapabilities->uMCSFeedback << 8) |
(HTC_SUPPORT_NO << 10));
tHtCapabilities.uTxBfCapabilities = ((IMPLICIT_TXBF_REC_CAPABLE << 0) |
(TRANSMIT_STAGGERED_SOUNDING_CAPABLE << 2));
tHtCapabilities.uAselCapabilities = 0x0;
/* build IE */
*pDataBuf = HT_CAPABILITIES_IE_ID;
*(pDataBuf + 1) = DOT11_HT_CAPABILITIES_ELE_LEN;
COPY_WLAN_WORD(pDataBuf + 2, &(tHtCapabilities.uHtCapabilitiesInfo));
*(pDataBuf + 4) = tHtCapabilities.uAMpduParam;
os_memoryCopy (pStaCap->hOs, pDataBuf + 5, tHtCapabilities.tSuppMcsSet.aRxMscBitmask, RX_TX_MCS_BITMASK_SIZE);
COPY_WLAN_WORD(pDataBuf + 15, &(tHtCapabilities.tSuppMcsSet.uHighestSupportedDataRate));
*(pDataBuf + 17) = tHtCapabilities.tSuppMcsSet.uTxRxSetting;
/* clear the reserved bytes */
os_memoryZero (pStaCap->hOs, (pDataBuf + 18), 3);
COPY_WLAN_WORD(pDataBuf + 21, &(tHtCapabilities.uExteCapabilities));
COPY_WLAN_LONG(pDataBuf + 23, &(tHtCapabilities.uTxBfCapabilities));
*(pDataBuf + 27) = tHtCapabilities.uAselCapabilities;
*pLen = DOT11_HT_CAPABILITIES_ELE_LEN + sizeof(dot11_eleHdr_t);
return TI_OK;
}
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