751 lines
16 KiB
C
751 lines
16 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2017 Marvell International Ltd.
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* Copyright(c) 2017 Semihalf.
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* All rights reserved.
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*/
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#include <string.h>
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#include <rte_common.h>
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#include <rte_malloc.h>
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#include <rte_cryptodev_pmd.h>
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#include "rte_mrvl_pmd_private.h"
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/**
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* Capabilities list to be used in reporting to DPDK.
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*/
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static const struct rte_cryptodev_capabilities
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mrvl_crypto_pmd_capabilities[] = {
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{ /* MD5 HMAC */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
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{.auth = {
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.algo = RTE_CRYPTO_AUTH_MD5_HMAC,
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.block_size = 64,
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.key_size = {
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.min = 1,
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.max = 64,
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.increment = 1
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},
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.digest_size = {
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.min = 16,
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.max = 16,
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.increment = 0
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},
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}, }
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}, }
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},
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{ /* MD5 */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
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{.auth = {
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.algo = RTE_CRYPTO_AUTH_MD5,
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.block_size = 64,
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.key_size = {
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.min = 0,
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.max = 0,
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.increment = 0
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},
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.digest_size = {
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.min = 16,
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.max = 16,
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.increment = 0
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},
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}, }
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}, }
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},
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{ /* SHA1 HMAC */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
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{.auth = {
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.algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
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.block_size = 64,
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.key_size = {
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.min = 1,
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.max = 64,
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.increment = 1
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},
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.digest_size = {
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.min = 20,
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.max = 20,
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.increment = 0
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},
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}, }
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}, }
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},
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{ /* SHA1 */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
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{.auth = {
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.algo = RTE_CRYPTO_AUTH_SHA1,
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.block_size = 64,
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.key_size = {
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.min = 0,
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.max = 0,
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.increment = 0
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},
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.digest_size = {
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.min = 20,
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.max = 20,
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.increment = 0
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},
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}, }
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}, }
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},
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{ /* SHA224 */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
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{.auth = {
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.algo = RTE_CRYPTO_AUTH_SHA224,
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.block_size = 64,
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.key_size = {
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.min = 0,
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.max = 0,
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.increment = 0
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},
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.digest_size = {
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.min = 28,
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.max = 28,
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.increment = 0
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},
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}, }
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}, }
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},
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{ /* SHA256 HMAC */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
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{.auth = {
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.algo = RTE_CRYPTO_AUTH_SHA256_HMAC,
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.block_size = 64,
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.key_size = {
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.min = 1,
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.max = 64,
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.increment = 1
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},
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.digest_size = {
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.min = 32,
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.max = 32,
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.increment = 0
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},
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}, }
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}, }
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},
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{ /* SHA256 */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
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{.auth = {
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.algo = RTE_CRYPTO_AUTH_SHA256,
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.block_size = 64,
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.key_size = {
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.min = 0,
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.max = 0,
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.increment = 0
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},
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.digest_size = {
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.min = 32,
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.max = 32,
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.increment = 0
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},
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}, }
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}, }
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},
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{ /* SHA384 HMAC */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
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{.auth = {
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.algo = RTE_CRYPTO_AUTH_SHA384_HMAC,
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.block_size = 128,
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.key_size = {
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.min = 1,
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.max = 128,
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.increment = 1
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},
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.digest_size = {
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.min = 48,
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.max = 48,
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.increment = 0
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},
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}, }
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}, }
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},
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{ /* SHA384 */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
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{.auth = {
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.algo = RTE_CRYPTO_AUTH_SHA384,
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.block_size = 128,
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.key_size = {
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.min = 0,
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.max = 0,
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.increment = 0
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},
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.digest_size = {
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.min = 48,
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.max = 48,
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.increment = 0
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},
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}, }
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}, }
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},
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{ /* SHA512 HMAC */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
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{.auth = {
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.algo = RTE_CRYPTO_AUTH_SHA512_HMAC,
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.block_size = 128,
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.key_size = {
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.min = 1,
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.max = 128,
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.increment = 1
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},
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.digest_size = {
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.min = 64,
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.max = 64,
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.increment = 0
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},
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}, }
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}, }
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},
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{ /* SHA512 */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
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{.auth = {
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.algo = RTE_CRYPTO_AUTH_SHA512,
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.block_size = 128,
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.key_size = {
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.min = 0,
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.max = 0,
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.increment = 0
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},
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.digest_size = {
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.min = 64,
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.max = 64,
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.increment = 0
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},
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}, }
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}, }
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},
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{ /* AES CBC */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
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{.cipher = {
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.algo = RTE_CRYPTO_CIPHER_AES_CBC,
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.block_size = 16,
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.key_size = {
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.min = 16,
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.max = 32,
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.increment = 8
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},
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.iv_size = {
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.min = 16,
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.max = 16,
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.increment = 0
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}
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}, }
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}, }
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},
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{ /* AES CTR */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
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{.cipher = {
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.algo = RTE_CRYPTO_CIPHER_AES_CTR,
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.block_size = 16,
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.key_size = {
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.min = 16,
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.max = 32,
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.increment = 8
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},
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.iv_size = {
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.min = 16,
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.max = 16,
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.increment = 0
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}
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}, }
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}, }
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},
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{ /* AES GCM */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,
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{.aead = {
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.algo = RTE_CRYPTO_AEAD_AES_GCM,
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.block_size = 16,
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.key_size = {
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.min = 16,
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.max = 32,
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.increment = 8
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},
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.digest_size = {
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.min = 16,
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.max = 16,
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.increment = 0
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},
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.aad_size = {
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.min = 8,
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.max = 12,
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.increment = 4
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},
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.iv_size = {
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.min = 12,
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.max = 16,
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.increment = 4
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}
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}, }
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}, }
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},
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{ /* AES GMAC (AUTH) */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
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{.auth = {
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.algo = RTE_CRYPTO_AUTH_AES_GMAC,
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.block_size = 16,
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.key_size = {
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.min = 16,
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.max = 32,
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.increment = 8
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},
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.digest_size = {
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.min = 16,
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.max = 16,
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.increment = 0
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},
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.iv_size = {
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.min = 8,
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.max = 65532,
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.increment = 4
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}
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}, }
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}, }
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},
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{ /* 3DES CBC */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
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{.cipher = {
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.algo = RTE_CRYPTO_CIPHER_3DES_CBC,
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.block_size = 8,
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.key_size = {
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.min = 24,
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.max = 24,
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.increment = 0
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},
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.iv_size = {
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.min = 8,
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.max = 8,
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.increment = 0
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}
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}, }
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}, }
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},
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{ /* 3DES CTR */
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.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
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{.sym = {
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.xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
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{.cipher = {
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.algo = RTE_CRYPTO_CIPHER_3DES_CTR,
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.block_size = 8,
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.key_size = {
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.min = 24,
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.max = 24,
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.increment = 0
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},
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.iv_size = {
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.min = 8,
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.max = 8,
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.increment = 0
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}
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}, }
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}, }
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},
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RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
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};
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/**
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* Configure device (PMD ops callback).
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*
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* @param dev Pointer to the device structure.
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* @param config Pointer to configuration structure.
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* @returns 0. Always.
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*/
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static int
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mrvl_crypto_pmd_config(__rte_unused struct rte_cryptodev *dev,
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__rte_unused struct rte_cryptodev_config *config)
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{
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return 0;
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}
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/**
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* Start device (PMD ops callback).
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*
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* @param dev Pointer to the device structure.
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* @returns 0. Always.
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*/
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static int
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mrvl_crypto_pmd_start(__rte_unused struct rte_cryptodev *dev)
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{
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return 0;
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}
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/**
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* Stop device (PMD ops callback).
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*
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* @param dev Pointer to the device structure.
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* @returns 0. Always.
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*/
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static void
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mrvl_crypto_pmd_stop(__rte_unused struct rte_cryptodev *dev)
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{
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}
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/**
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* Get device statistics (PMD ops callback).
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*
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* @param dev Pointer to the device structure.
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* @param stats Pointer to statistics structure [out].
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*/
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static void
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mrvl_crypto_pmd_stats_get(struct rte_cryptodev *dev,
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struct rte_cryptodev_stats *stats)
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{
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int qp_id;
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for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
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struct mrvl_crypto_qp *qp = dev->data->queue_pairs[qp_id];
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stats->enqueued_count += qp->stats.enqueued_count;
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stats->dequeued_count += qp->stats.dequeued_count;
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stats->enqueue_err_count += qp->stats.enqueue_err_count;
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stats->dequeue_err_count += qp->stats.dequeue_err_count;
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}
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}
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/**
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* Reset device statistics (PMD ops callback).
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*
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* @param dev Pointer to the device structure.
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*/
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static void
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mrvl_crypto_pmd_stats_reset(struct rte_cryptodev *dev)
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{
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int qp_id;
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for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
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struct mrvl_crypto_qp *qp = dev->data->queue_pairs[qp_id];
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memset(&qp->stats, 0, sizeof(qp->stats));
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}
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}
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/**
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* Get device info (PMD ops callback).
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*
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* @param dev Pointer to the device structure.
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* @param dev_info Pointer to the device info structure [out].
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*/
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static void
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mrvl_crypto_pmd_info_get(struct rte_cryptodev *dev,
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struct rte_cryptodev_info *dev_info)
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{
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struct mrvl_crypto_private *internals = dev->data->dev_private;
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if (dev_info != NULL) {
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dev_info->driver_id = dev->driver_id;
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dev_info->feature_flags = dev->feature_flags;
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dev_info->capabilities = mrvl_crypto_pmd_capabilities;
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dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
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dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
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}
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}
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/**
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* Release queue pair (PMD ops callback).
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*
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* @param dev Pointer to the device structure.
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* @param qp_id ID of Queue Pair to release.
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* @returns 0. Always.
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*/
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static int
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mrvl_crypto_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
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{
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struct mrvl_crypto_qp *qp =
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(struct mrvl_crypto_qp *)dev->data->queue_pairs[qp_id];
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if (dev->data->queue_pairs[qp_id] != NULL) {
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sam_cio_flush(qp->cio);
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sam_cio_deinit(qp->cio);
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rte_free(dev->data->queue_pairs[qp_id]);
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dev->data->queue_pairs[qp_id] = NULL;
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}
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return 0;
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}
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/**
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* Close device (PMD ops callback).
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*
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* @param dev Pointer to the device structure.
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* @returns 0. Always.
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*/
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static int
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mrvl_crypto_pmd_close(struct rte_cryptodev *dev)
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{
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int qp_id;
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for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++)
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mrvl_crypto_pmd_qp_release(dev, qp_id);
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return 0;
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}
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/**
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* Setup a queue pair (PMD ops callback).
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*
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* @param dev Pointer to the device structure.
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* @param qp_id ID of the Queue Pair.
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* @param qp_conf Queue pair configuration (nb of descriptors).
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* @param socket_id NUMA socket to allocate memory on.
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* @returns 0 upon success, negative value otherwise.
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*/
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static int
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mrvl_crypto_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
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const struct rte_cryptodev_qp_conf *qp_conf,
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int socket_id, struct rte_mempool *session_pool)
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{
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struct mrvl_crypto_qp *qp = NULL;
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char match[RTE_CRYPTODEV_NAME_MAX_LEN];
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unsigned int n;
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/* Allocate the queue pair data structure. */
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qp = rte_zmalloc_socket("MRVL Crypto PMD Queue Pair", sizeof(*qp),
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RTE_CACHE_LINE_SIZE, socket_id);
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if (qp == NULL)
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return -ENOMEM;
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/* Free old qp prior setup if needed. */
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if (dev->data->queue_pairs[qp_id] != NULL)
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mrvl_crypto_pmd_qp_release(dev, qp_id);
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do { /* Error handling block */
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/*
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* This extra check is necessary due to a bug in
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* crypto library.
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*/
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int num = sam_get_num_inst();
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if (num == 0) {
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MRVL_CRYPTO_LOG_ERR("No crypto engines detected.\n");
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|
return -1;
|
|
}
|
|
|
|
/*
|
|
* In case two crypto engines are enabled qps will
|
|
* be evenly spread among them. Even and odd qps will
|
|
* be handled by cio-0 and cio-1 respectively. qp-cio mapping
|
|
* will look as follows:
|
|
*
|
|
* qp: 0 1 2 3
|
|
* cio-x:y: cio-0:0, cio-1:0, cio-0:1, cio-1:1
|
|
*
|
|
* qp: 4 5 6 7
|
|
* cio-x:y: cio-0:2, cio-1:2, cio-0:3, cio-1:3
|
|
*
|
|
* In case just one engine is enabled mapping will look as
|
|
* follows:
|
|
* qp: 0 1 2 3
|
|
* cio-x:y: cio-0:0, cio-0:1, cio-0:2, cio-0:3
|
|
*/
|
|
n = snprintf(match, sizeof(match), "cio-%u:%u",
|
|
qp_id % num, qp_id / num);
|
|
|
|
if (n >= sizeof(match))
|
|
break;
|
|
|
|
qp->cio_params.match = match;
|
|
qp->cio_params.size = qp_conf->nb_descriptors;
|
|
|
|
if (sam_cio_init(&qp->cio_params, &qp->cio) < 0)
|
|
break;
|
|
|
|
qp->sess_mp = session_pool;
|
|
|
|
memset(&qp->stats, 0, sizeof(qp->stats));
|
|
dev->data->queue_pairs[qp_id] = qp;
|
|
return 0;
|
|
} while (0);
|
|
|
|
rte_free(qp);
|
|
return -1;
|
|
}
|
|
|
|
/** Start queue pair (PMD ops callback) - not supported.
|
|
*
|
|
* @param dev Pointer to the device structure.
|
|
* @param qp_id ID of the Queue Pair.
|
|
* @returns -ENOTSUP. Always.
|
|
*/
|
|
static int
|
|
mrvl_crypto_pmd_qp_start(__rte_unused struct rte_cryptodev *dev,
|
|
__rte_unused uint16_t queue_pair_id)
|
|
{
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
/** Stop queue pair (PMD ops callback) - not supported.
|
|
*
|
|
* @param dev Pointer to the device structure.
|
|
* @param qp_id ID of the Queue Pair.
|
|
* @returns -ENOTSUP. Always.
|
|
*/
|
|
static int
|
|
mrvl_crypto_pmd_qp_stop(__rte_unused struct rte_cryptodev *dev,
|
|
__rte_unused uint16_t queue_pair_id)
|
|
{
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
/** Return the number of allocated queue pairs (PMD ops callback).
|
|
*
|
|
* @param dev Pointer to the device structure.
|
|
* @returns Number of allocated queue pairs.
|
|
*/
|
|
static uint32_t
|
|
mrvl_crypto_pmd_qp_count(struct rte_cryptodev *dev)
|
|
{
|
|
return dev->data->nb_queue_pairs;
|
|
}
|
|
|
|
/** Returns the size of the session structure (PMD ops callback).
|
|
*
|
|
* @param dev Pointer to the device structure [Unused].
|
|
* @returns Size of Marvell crypto session.
|
|
*/
|
|
static unsigned
|
|
mrvl_crypto_pmd_session_get_size(__rte_unused struct rte_cryptodev *dev)
|
|
{
|
|
return sizeof(struct mrvl_crypto_session);
|
|
}
|
|
|
|
/** Configure the session from a crypto xform chain (PMD ops callback).
|
|
*
|
|
* @param dev Pointer to the device structure.
|
|
* @param xform Pointer to the crytpo configuration structure.
|
|
* @param sess Pointer to the empty session structure.
|
|
* @returns 0 upon success, negative value otherwise.
|
|
*/
|
|
static int
|
|
mrvl_crypto_pmd_session_configure(__rte_unused struct rte_cryptodev *dev,
|
|
struct rte_crypto_sym_xform *xform,
|
|
struct rte_cryptodev_sym_session *sess,
|
|
struct rte_mempool *mp)
|
|
{
|
|
struct mrvl_crypto_session *mrvl_sess;
|
|
void *sess_private_data;
|
|
int ret;
|
|
|
|
if (sess == NULL) {
|
|
MRVL_CRYPTO_LOG_ERR("Invalid session struct.");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (rte_mempool_get(mp, &sess_private_data)) {
|
|
CDEV_LOG_ERR("Couldn't get object from session mempool.");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
ret = mrvl_crypto_set_session_parameters(sess_private_data, xform);
|
|
if (ret != 0) {
|
|
MRVL_CRYPTO_LOG_ERR("Failed to configure session parameters.");
|
|
|
|
/* Return session to mempool */
|
|
rte_mempool_put(mp, sess_private_data);
|
|
return ret;
|
|
}
|
|
|
|
set_session_private_data(sess, dev->driver_id, sess_private_data);
|
|
|
|
mrvl_sess = (struct mrvl_crypto_session *)sess_private_data;
|
|
if (sam_session_create(&mrvl_sess->sam_sess_params,
|
|
&mrvl_sess->sam_sess) < 0) {
|
|
MRVL_CRYPTO_LOG_DBG("Failed to create session!");
|
|
return -EIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Clear the memory of session so it doesn't leave key material behind.
|
|
*
|
|
* @param dev Pointer to the device structure.
|
|
* @returns 0. Always.
|
|
*/
|
|
static void
|
|
mrvl_crypto_pmd_session_clear(struct rte_cryptodev *dev,
|
|
struct rte_cryptodev_sym_session *sess)
|
|
{
|
|
|
|
uint8_t index = dev->driver_id;
|
|
void *sess_priv = get_session_private_data(sess, index);
|
|
|
|
/* Zero out the whole structure */
|
|
if (sess_priv) {
|
|
struct mrvl_crypto_session *mrvl_sess =
|
|
(struct mrvl_crypto_session *)sess_priv;
|
|
|
|
if (mrvl_sess->sam_sess &&
|
|
sam_session_destroy(mrvl_sess->sam_sess) < 0) {
|
|
MRVL_CRYPTO_LOG_INFO("Error while destroying session!");
|
|
}
|
|
|
|
memset(sess, 0, sizeof(struct mrvl_crypto_session));
|
|
struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
|
|
set_session_private_data(sess, index, NULL);
|
|
rte_mempool_put(sess_mp, sess_priv);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* PMD handlers for crypto ops.
|
|
*/
|
|
static struct rte_cryptodev_ops mrvl_crypto_pmd_ops = {
|
|
.dev_configure = mrvl_crypto_pmd_config,
|
|
.dev_start = mrvl_crypto_pmd_start,
|
|
.dev_stop = mrvl_crypto_pmd_stop,
|
|
.dev_close = mrvl_crypto_pmd_close,
|
|
|
|
.dev_infos_get = mrvl_crypto_pmd_info_get,
|
|
|
|
.stats_get = mrvl_crypto_pmd_stats_get,
|
|
.stats_reset = mrvl_crypto_pmd_stats_reset,
|
|
|
|
.queue_pair_setup = mrvl_crypto_pmd_qp_setup,
|
|
.queue_pair_release = mrvl_crypto_pmd_qp_release,
|
|
.queue_pair_start = mrvl_crypto_pmd_qp_start,
|
|
.queue_pair_stop = mrvl_crypto_pmd_qp_stop,
|
|
.queue_pair_count = mrvl_crypto_pmd_qp_count,
|
|
|
|
.session_get_size = mrvl_crypto_pmd_session_get_size,
|
|
.session_configure = mrvl_crypto_pmd_session_configure,
|
|
.session_clear = mrvl_crypto_pmd_session_clear
|
|
};
|
|
|
|
struct rte_cryptodev_ops *rte_mrvl_crypto_pmd_ops = &mrvl_crypto_pmd_ops;
|