/* SPDX-License-Identifier: BSD-3-Clause */
/* Copyright(c) 2007-2022 Intel Corporation */

/**
 ***************************************************************************
 * @file lac_sym_partial.c   common partial packet functions
 *
 * @ingroup LacSym
 *
 ***************************************************************************/

/*
*******************************************************************************
* Include public/global header files
*******************************************************************************
*/
#include "cpa.h"

#include "icp_accel_devices.h"
#include "icp_adf_debug.h"

#include "lac_log.h"
#include "lac_sym.h"
#include "cpa_cy_sym.h"
#include "lac_common.h"

#include "lac_sym_partial.h"

CpaStatus
LacSym_PartialPacketStateCheck(CpaCySymPacketType packetType,
                               CpaCySymPacketType partialState)
{
        CpaStatus status = CPA_STATUS_SUCCESS;

        /* ASSUMPTION - partial requests on a given session must be issued
         * sequentially to guarantee ordering
         * (i.e. issuing partials on concurrent threads for a particular session
         * just wouldn't work)
         */

        /* state is no partial - only a partial is allowed */
        if (((CPA_CY_SYM_PACKET_TYPE_FULL == partialState) &&
             (CPA_CY_SYM_PACKET_TYPE_PARTIAL == packetType)) ||

            /* state is partial - only a partial or final partial is allowed */
            ((CPA_CY_SYM_PACKET_TYPE_PARTIAL == partialState) &&
             ((CPA_CY_SYM_PACKET_TYPE_PARTIAL == packetType) ||
              (CPA_CY_SYM_PACKET_TYPE_LAST_PARTIAL == packetType)))) {
                status = CPA_STATUS_SUCCESS;
        } else /* invalid sequence */
        {
                LAC_INVALID_PARAM_LOG("invalid partial packet sequence");
                status = CPA_STATUS_INVALID_PARAM;
        }

        return status;
}

void
LacSym_PartialPacketStateUpdate(CpaCySymPacketType packetType,
                                CpaCySymPacketType *pPartialState)
{
        /* if previous packet was either a full or ended a partial stream,
         * update
         * state to partial to indicate a new partial stream was created */
        if (CPA_CY_SYM_PACKET_TYPE_FULL == *pPartialState) {
                *pPartialState = CPA_CY_SYM_PACKET_TYPE_PARTIAL;
        } else {
                /* if packet type is final - reset the partial state */
                if (CPA_CY_SYM_PACKET_TYPE_LAST_PARTIAL == packetType) {
                        *pPartialState = CPA_CY_SYM_PACKET_TYPE_FULL;
                }
        }
}