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/*
* Copyright (c) 2012-2014, 2016 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This file was originally distributed by Qualcomm Atheros, Inc.
* under proprietary terms before Copyright ownership was assigned
* to the Linux Foundation.
*/
#ifdef FEATURE_OEM_DATA_SUPPORT
/** ------------------------------------------------------------------------- *
------------------------------------------------------------------------- *
\file oemDataApi.c
Implementation for the OEM DATA REQ/RSP interfaces.
========================================================================== */
#include "aniGlobal.h"
#include "oemDataApi.h"
#include "palApi.h"
#include "smeInside.h"
#include "smsDebug.h"
#include "csrSupport.h"
#include "wlan_qct_tl.h"
#include "vos_diag_core_log.h"
#include "vos_diag_core_event.h"
/* ---------------------------------------------------------------------------
\fn oemData_OemDataReqOpen
\brief This function must be called before any API call to (OEM DATA REQ/RSP module)
\return eHalStatus
-------------------------------------------------------------------------------*/
eHalStatus oemData_OemDataReqOpen(tHalHandle hHal)
{
eHalStatus status = eHAL_STATUS_SUCCESS;
tpAniSirGlobal pMac = PMAC_STRUCT(hHal);
do
{
//initialize all the variables to null
vos_mem_set(&(pMac->oemData), sizeof(tOemDataStruct), 0);
if(!HAL_STATUS_SUCCESS(status))
{
smsLog(pMac, LOGE, "oemData_OemDataReqOpen: Cannot allocate memory for the timer function");
break;
}
} while(0);
return status;
}
/* ---------------------------------------------------------------------------
\fn oemData_OemDataReqClose
\brief This function must be called before closing the csr module
\return eHalStatus
-------------------------------------------------------------------------------*/
eHalStatus oemData_OemDataReqClose(tHalHandle hHal)
{
eHalStatus status = eHAL_STATUS_SUCCESS;
tpAniSirGlobal pMac = PMAC_STRUCT(hHal);
do
{
if(!HAL_STATUS_SUCCESS(status))
{
smsLog(pMac, LOGE, "oemData_OemDataReqClose: Failed in oemData_OemDataReqClose at StopTimers");
break;
}
//initialize all the variables to null
vos_mem_set(&(pMac->oemData), sizeof(tOemDataStruct), 0);
} while(0);
return eHAL_STATUS_SUCCESS;
}
/* ---------------------------------------------------------------------------
\fn oemData_ReleaseOemDataReqCommand
\brief This function removes the oemDataCommand from the active list and
and frees up any memory occupied by this
\return eHalStatus
-------------------------------------------------------------------------------*/
void oemData_ReleaseOemDataReqCommand(tpAniSirGlobal pMac, tSmeCmd *pOemDataCmd, eOemDataReqStatus oemDataReqStatus)
{
//First take this command out of the active list
if(csrLLRemoveEntry(&pMac->sme.smeCmdActiveList, &pOemDataCmd->Link, LL_ACCESS_LOCK))
{
if (pOemDataCmd->u.oemDataCmd.oemDataReq.data) {
vos_mem_free(pOemDataCmd->u.oemDataCmd.oemDataReq.data);
pOemDataCmd->u.oemDataCmd.oemDataReq.data = NULL;
}
vos_mem_zero(&(pOemDataCmd->u.oemDataCmd), sizeof(tOemDataCmd));
/* Now put this command back on the available command list */
smeReleaseCommand(pMac, pOemDataCmd);
}
else
{
smsLog(pMac, LOGE, "OEM_DATA: **************** oemData_ReleaseOemDataReqCommand cannot release the command");
}
}
/* ---------------------------------------------------------------------------
\fn oemData_OemDataReq
\brief Request an OEM DATA RSP
\param sessionId - Id of session to be used
\param pOemDataReqID - pointer to an object to get back the request ID
\return eHalStatus
-------------------------------------------------------------------------------*/
eHalStatus oemData_OemDataReq(tHalHandle hHal,
tANI_U8 sessionId,
tOemDataReqConfig *oemDataReqConfig,
tANI_U32 *pOemDataReqID)
{
eHalStatus status = eHAL_STATUS_SUCCESS;
tpAniSirGlobal pMac = PMAC_STRUCT( hHal );
tSmeCmd *pOemDataCmd = NULL;
tOemDataReq *cmd_req;
do
{
if( !CSR_IS_SESSION_VALID( pMac, sessionId ) )
{
status = eHAL_STATUS_FAILURE;
break;
}
pMac->oemData.oemDataReqID = *(pOemDataReqID);
pMac->oemData.oemDataReqActive = eANI_BOOLEAN_FALSE;
pOemDataCmd = smeGetCommandBuffer(pMac);
//fill up the command before posting it.
if(pOemDataCmd)
{
pOemDataCmd->command = eSmeCommandOemDataReq;
pOemDataCmd->u.oemDataCmd.oemDataReqID = pMac->oemData.oemDataReqID;
cmd_req = &(pOemDataCmd->u.oemDataCmd.oemDataReq);
/* set the oem data request */
cmd_req->sessionId = sessionId;
cmd_req->data_len = oemDataReqConfig->data_len;
cmd_req->data = vos_mem_malloc(cmd_req->data_len);
if (!cmd_req->data) {
smsLog(pMac, LOGE, FL("memory alloc failed"));
status = eHAL_STATUS_FAILED_ALLOC;
break;
}
vos_mem_copy(cmd_req->data, oemDataReqConfig->data,
cmd_req->data_len);
}
else
{
status = eHAL_STATUS_FAILURE;
break;
}
//now queue this command in the sme command queue
//Here since this is not interacting with the csr just push the command
//into the sme queue. Also push this command with the normal priority
smePushCommand(pMac, pOemDataCmd, eANI_BOOLEAN_FALSE);
} while(0);
if(!HAL_STATUS_SUCCESS(status) && pOemDataCmd)
{
oemData_ReleaseOemDataReqCommand(pMac, pOemDataCmd, eOEM_DATA_REQ_FAILURE);
pMac->oemData.oemDataReqActive = eANI_BOOLEAN_FALSE;
}
return status;
}
/* ---------------------------------------------------------------------------
\fn oemData_SendMBOemDataReq
\brief Request an OEM DATA REQ to be passed down to PE
\param pMac:
\param pOemDataReq: Pointer to the oem data request
\return eHalStatus
-------------------------------------------------------------------------------*/
eHalStatus oemData_SendMBOemDataReq(tpAniSirGlobal pMac, tOemDataReq *pOemDataReq)
{
eHalStatus status = eHAL_STATUS_SUCCESS;
tSirOemDataReq* pMsg;
tCsrRoamSession *pSession;
smsLog(pMac, LOGW, "OEM_DATA: entering Function %s", __func__);
if (!pOemDataReq) {
smsLog(pMac, LOGE, FL("oem data req is NULL"));
return eHAL_STATUS_INVALID_PARAMETER;
}
pSession = CSR_GET_SESSION(pMac, pOemDataReq->sessionId);
pMsg = vos_mem_malloc(sizeof(*pMsg));
if (NULL == pMsg) {
smsLog(pMac, LOGE, "Memory Allocation failed. %s", __func__);
return eHAL_STATUS_FAILURE;
}
pMsg->messageType = pal_cpu_to_be16((tANI_U16)eWNI_SME_OEM_DATA_REQ);
pMsg->messageLen = pal_cpu_to_be16((uint16_t) sizeof(*pMsg));
vos_mem_copy(pMsg->selfMacAddr, pSession->selfMacAddr, sizeof(tSirMacAddr) );
pMsg->data_len = pOemDataReq->data_len;
/* Incoming buffer ptr saved, set to null to avoid free by caller */
pMsg->data = pOemDataReq->data;
pOemDataReq->data = NULL;
smsLog(pMac, LOGW, "OEM_DATA: sending message to pe%s", __func__);
status = palSendMBMessage(pMac->hHdd, pMsg);
smsLog(pMac, LOGW, "OEM_DATA: exiting Function %s", __func__);
return status;
}
/* ---------------------------------------------------------------------------
\fn oemData_ProcessOemDataReqCommand
\brief This function is called by the smeProcessCommand when the case hits
eSmeCommandOemDataReq
\return eHalStatus
-------------------------------------------------------------------------------*/
eHalStatus oemData_ProcessOemDataReqCommand(tpAniSirGlobal pMac, tSmeCmd *pOemDataReqCmd)
{
eHalStatus status = eHAL_STATUS_SUCCESS;
//check if the system is in proper mode of operation for
//oem data req/rsp to be functional. Currently, concurrency is not
//supported and the driver must be operational only as
//STA for oem data req/rsp to be functional. We return an invalid
//mode flag if it is operational as any one of the following
//in any of the active sessions
//1. AP Mode
//2. IBSS Mode
//3. BTAMP Mode ...
if(eHAL_STATUS_SUCCESS == oemData_IsOemDataReqAllowed(pMac))
{
smsLog(pMac, LOG1, "%s: OEM_DATA REQ allowed in the current mode", __func__);
pMac->oemData.oemDataReqActive = eANI_BOOLEAN_TRUE;
status = oemData_SendMBOemDataReq(pMac, &(pOemDataReqCmd->u.oemDataCmd.oemDataReq));
}
else
{
smsLog(pMac, LOG1, "%s: OEM_DATA REQ not allowed in the current mode", __func__);
status = eHAL_STATUS_FAILURE;
}
if (!HAL_STATUS_SUCCESS(status)) {
smsLog(pMac, LOG1, FL("OEM_DATA Failure, Release command"));
oemData_ReleaseOemDataReqCommand(pMac, pOemDataReqCmd, eOEM_DATA_REQ_INVALID_MODE);
pMac->oemData.oemDataReqActive = eANI_BOOLEAN_FALSE;
}
return status;
}
/* ---------------------------------------------------------------------------
\fn sme_HandleOemDataRsp
\brief This function processes the oem data response obtained from the PE
\param pMsg - Pointer to the pSirOemDataRsp
\return eHalStatus
-------------------------------------------------------------------------------*/
eHalStatus sme_HandleOemDataRsp(tHalHandle hHal, tANI_U8* pMsg)
{
eHalStatus status = eHAL_STATUS_SUCCESS;
tpAniSirGlobal pMac;
tListElem *pEntry = NULL;
tSmeCmd *pCommand = NULL;
tSirOemDataRsp* pOemDataRsp = NULL;
tOemDataReq *req;
pMac = PMAC_STRUCT(hHal);
smsLog(pMac, LOG1, "%s: OEM_DATA Entering", __func__);
do
{
if(pMsg == NULL)
{
smsLog(pMac, LOGE, "in %s msg ptr is NULL", __func__);
status = eHAL_STATUS_FAILURE;
break;
}
/* In this case, there can be multiple OEM Data Responses for one
* OEM Data request, SME does not peek into data response so SME
* can not know which response is the last one. So SME clears active
* request command on receiving first response and thereafter SME
* passes each subsequent response to upper user layer.
*/
pEntry = csrLLPeekHead(&pMac->sme.smeCmdActiveList, LL_ACCESS_LOCK);
if (pEntry)
{
pCommand = GET_BASE_ADDR(pEntry, tSmeCmd, Link);
if (eSmeCommandOemDataReq == pCommand->command)
{
if (csrLLRemoveEntry(&pMac->sme.smeCmdActiveList,
&pCommand->Link, LL_ACCESS_LOCK))
{
req = &(pCommand->u.oemDataCmd.oemDataReq);
vos_mem_free(req->data);
vos_mem_set(&(pCommand->u.oemDataCmd),
sizeof(tOemDataCmd), 0);
smeReleaseCommand(pMac, pCommand);
}
}
}
pOemDataRsp = (tSirOemDataRsp *)pMsg;
/* Send to upper layer only if rsp is from target */
if (pOemDataRsp->target_rsp) {
smsLog(pMac, LOG1, FL("received target oem data resp"));
send_oem_data_rsp_msg(pOemDataRsp->rsp_len,
pOemDataRsp->oem_data_rsp);
/* free this memory only if rsp is from target */
vos_mem_free(pOemDataRsp->oem_data_rsp);
pOemDataRsp->oem_data_rsp = NULL;
} else {
smsLog(pMac, LOG1, FL("received internal oem data resp"));
}
} while(0);
return status;
}
/* ---------------------------------------------------------------------------
\fn oemData_IsOemDataReqAllowed
\brief This function checks if OEM DATA REQs can be performed in the
current driver state
\return eHalStatus
-------------------------------------------------------------------------------*/
eHalStatus oemData_IsOemDataReqAllowed(tHalHandle hHal)
{
eHalStatus status = eHAL_STATUS_SUCCESS;
tANI_U32 sessionId;
tpAniSirGlobal pMac = PMAC_STRUCT(hHal);
for(sessionId = 0; sessionId < CSR_ROAM_SESSION_MAX; sessionId++)
{
if(CSR_IS_SESSION_VALID(pMac, sessionId))
{
//co-exist with IBSS or BT-AMP mode is not supported
if(csrIsConnStateIbss(pMac, sessionId) || csrIsBTAMP(pMac, sessionId) )
{
//co-exist with IBSS or BT-AMP mode is not supported
smsLog(pMac, LOGW, "OEM DATA REQ is not allowed due to IBSS|BTAMP exist in session %d", sessionId);
status = eHAL_STATUS_CSR_WRONG_STATE;
break;
}
}
}
smsLog(pMac, LOG1, "Exiting oemData_IsOemDataReqAllowed with status %d", status);
return (status);
}
#endif /*FEATURE_OEM_DATA_SUPPORT*/