summaryrefslogtreecommitdiffstats
path: root/drivers/common/cpt/cpt_pmd_ops_helper.h
blob: dd32f9a406a4937cec958e82e215ba0c3824445c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
/* 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);
#endif /* _CPT_PMD_OPS_HELPER_H_ */