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crypto/mlx5: support 1MB data-unit

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Add 1MB data-unit length to the capability's bitmap.
Handle 1MB data-unit length in the mlx5 session create operation,
and expose its capability in the mlx5 capabilities.

Signed-off-by: Raja Zidane <rzidane@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
This commit is contained in:
Raja Zidane 2021-11-02 09:32:56 +00:00 committed by Akhil Goyal
parent c1685e2f77
commit 9ad776442d
4 changed files with 15 additions and 3 deletions
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4
doc/guides/cryptodevs/mlx5.rst
View File

@ -147,9 +147,9 @@ Limitations
-----------
- AES-XTS keys provided in xform must include keytag and should be wrapped.
- The supported data-unit lengths are 512B and 1KB. In case the `dataunit_len`
- The supported data-unit lengths are 512B and 4KB and 1MB. In case the `dataunit_len`
is not provided in the cipher xform, the OP length is limited to the above
values and 1MB.
values.
Prerequisites

8
drivers/crypto/mlx5/mlx5_crypto.c
View File

@ -60,7 +60,8 @@ const struct rte_cryptodev_capabilities mlx5_crypto_caps[] = {
},
.dataunit_set =
RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_512_BYTES |
RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_4096_BYTES,
RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_4096_BYTES |
RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_1_MEGABYTES,
}, }
}, }
},
@ -222,6 +223,11 @@ mlx5_crypto_sym_session_configure(struct rte_cryptodev *dev,
((uint32_t)MLX5_BLOCK_SIZE_4096B <<
MLX5_BLOCK_SIZE_OFFSET);
break;
case 1048576:
sess_private_data->bsp_res = rte_cpu_to_be_32
((uint32_t)MLX5_BLOCK_SIZE_1MB <<
MLX5_BLOCK_SIZE_OFFSET);
break;
default:
DRV_LOG(ERR, "Cipher data unit length is not supported.");
return -ENOTSUP;

5
examples/l2fwd-crypto/main.c
View File

@ -2218,6 +2218,11 @@ check_capabilities(struct l2fwd_crypto_options *options, uint8_t cdev_id)
RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_4096_BYTES))
ret = -1;
break;
case 1048576:
if (!(cap->sym.cipher.dataunit_set &
RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_1_MEGABYTES))
ret = -1;
break;
default:
ret = -1;
}

1
lib/cryptodev/rte_cryptodev.h
View File

@ -102,6 +102,7 @@ struct rte_crypto_param_range {
*/
#define RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_512_BYTES RTE_BIT32(0)
#define RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_4096_BYTES RTE_BIT32(1)
#define RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_1_MEGABYTES RTE_BIT32(2)
/**
* Symmetric Crypto Capability