numam-dpdk/drivers/common/cpt/cpt_pmd_ops_helper.h
Kanaka Durga Kotamarthy fadc1ea15c common/cpt: add helper functions for asymmetric crypto
Add helper functions to get meta len for asymmetric operations

Signed-off-by: Anoob Joseph <anoobj@marvell.com>
Signed-off-by: Kanaka Durga Kotamarthy <kkotamarthy@marvell.com>
Signed-off-by: Sunila Sahu <ssahu@marvell.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>
2019-10-23 16:57:06 +02:00

44 lines
891 B
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018 Cavium, Inc
*/
#ifndef _CPT_PMD_OPS_HELPER_H_
#define _CPT_PMD_OPS_HELPER_H_
/*
* This file defines the agreement between the common layer and the individual
* crypto drivers for OCTEON TX series. Control path in otx* directory can
* directly call functions declared here.
*/
/*
* Get meta length required when operating in direct mode (single buffer
* in-place)
*
* @return
* - length
*/
int32_t
cpt_pmd_ops_helper_get_mlen_direct_mode(void);
/*
* Get size of contiguous meta buffer to be allocated when working in scatter
* gather mode.
*
* @return
* - length
*/
int
cpt_pmd_ops_helper_get_mlen_sg_mode(void);
/*
* Get size of meta buffer to be allocated for asymmetric crypto operations
*
* @return
* - length
*/
int
cpt_pmd_ops_helper_asym_get_mlen(void);
#endif /* _CPT_PMD_OPS_HELPER_H_ */