mirror of https://github.com/F-Stack/f-stack.git
42 lines
867 B
C
42 lines
867 B
C
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/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2018 Cavium, Inc
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*/
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#include <rte_common.h>
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#include "cpt_common.h"
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#include "cpt_hw_types.h"
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#include "cpt_mcode_defines.h"
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#include "cpt_pmd_ops_helper.h"
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#define CPT_MAX_IV_LEN 16
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#define CPT_OFFSET_CONTROL_BYTES 8
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int32_t
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cpt_pmd_ops_helper_get_mlen_direct_mode(void)
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{
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uint32_t len = 0;
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/* Request structure */
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len = sizeof(struct cpt_request_info);
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/* CPT HW result structure plus extra as it is aligned */
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len += 2*sizeof(cpt_res_s_t);
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return len;
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}
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int
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cpt_pmd_ops_helper_get_mlen_sg_mode(void)
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{
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uint32_t len = 0;
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len += sizeof(struct cpt_request_info);
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len += CPT_OFFSET_CONTROL_BYTES + CPT_MAX_IV_LEN;
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len += ROUNDUP8(SG_LIST_HDR_SIZE +
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(ROUNDUP4(CPT_MAX_SG_IN_OUT_CNT) >> 2) * SG_ENTRY_SIZE);
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len += 2 * COMPLETION_CODE_SIZE;
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len += 2 * sizeof(cpt_res_s_t);
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return len;
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}
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