[dpdk-dev] [PATCH v4 03/12] cryptodev: support security APIs

[Aviad Yehezkel]

On 10/15/2017 1:17 AM, Akhil Goyal wrote:
> Security ops are added to crypto device to support
> protocol offloaded security operations.
>
> Signed-off-by: Akhil Goyal <akhil.goyal at nxp.com>
> Signed-off-by: Declan Doherty <declan.doherty at intel.com>
> ---
>   doc/guides/cryptodevs/features/default.ini     |  1 +
>   lib/librte_cryptodev/rte_crypto.h              |  3 ++-
>   lib/librte_cryptodev/rte_crypto_sym.h          |  2 ++
>   lib/librte_cryptodev/rte_cryptodev.c           | 10 ++++++++++
>   lib/librte_cryptodev/rte_cryptodev.h           |  7 +++++++
>   lib/librte_cryptodev/rte_cryptodev_version.map |  1 +
>   6 files changed, 23 insertions(+), 1 deletion(-)
>
> diff --git a/doc/guides/cryptodevs/features/default.ini b/doc/guides/cryptodevs/features/default.ini
> index c98717a..18d66cb 100644
> --- a/doc/guides/cryptodevs/features/default.ini
> +++ b/doc/guides/cryptodevs/features/default.ini
> @@ -10,6 +10,7 @@ Symmetric crypto       =
>   Asymmetric crypto      =
>   Sym operation chaining =
>   HW Accelerated         =
> +Protocol offload       =
>   CPU SSE                =
>   CPU AVX                =
>   CPU AVX2               =
> diff --git a/lib/librte_cryptodev/rte_crypto.h b/lib/librte_cryptodev/rte_crypto.h
> index 10fe080..3eb9ef9 100644
> --- a/lib/librte_cryptodev/rte_crypto.h
> +++ b/lib/librte_cryptodev/rte_crypto.h
> @@ -86,7 +86,8 @@ enum rte_crypto_op_status {
>    */
>   enum rte_crypto_op_sess_type {
>   	RTE_CRYPTO_OP_WITH_SESSION,	/**< Session based crypto operation */
> -	RTE_CRYPTO_OP_SESSIONLESS	/**< Session-less crypto operation */
> +	RTE_CRYPTO_OP_SESSIONLESS,	/**< Session-less crypto operation */
> +	RTE_CRYPTO_OP_SECURITY_SESSION	/**< Security session crypto operation */
>   };
>   
>   /**
> diff --git a/lib/librte_cryptodev/rte_crypto_sym.h b/lib/librte_cryptodev/rte_crypto_sym.h
> index 0a0ea59..5992063 100644
> --- a/lib/librte_cryptodev/rte_crypto_sym.h
> +++ b/lib/librte_cryptodev/rte_crypto_sym.h
> @@ -508,6 +508,8 @@ struct rte_crypto_sym_op {
>   		/**< Handle for the initialised session context */
>   		struct rte_crypto_sym_xform *xform;
>   		/**< Session-less API crypto operation parameters */
> +		struct rte_security_session *sec_session;
> +		/**< Handle for the initialised security session context */
>   	};
>   
>   	RTE_STD_C11
> diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
> index e48d562..5a2495b 100644
> --- a/lib/librte_cryptodev/rte_cryptodev.c
> +++ b/lib/librte_cryptodev/rte_cryptodev.c
> @@ -488,6 +488,16 @@ rte_cryptodev_devices_get(const char *driver_name, uint8_t *devices,
>   	return count;
>   }
>   
> +void *
> +rte_cryptodev_get_sec_ctx(uint8_t dev_id)
> +{
> +	if (rte_crypto_devices[dev_id].feature_flags &
> +			RTE_CRYPTODEV_FF_SECURITY)
> +		return rte_crypto_devices[dev_id].data->security_ctx;
> +
> +	return NULL;
> +}
> +
>   int
>   rte_cryptodev_socket_id(uint8_t dev_id)
>   {
> diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h
> index fd0e3f1..546454b 100644
> --- a/lib/librte_cryptodev/rte_cryptodev.h
> +++ b/lib/librte_cryptodev/rte_cryptodev.h
> @@ -351,6 +351,8 @@ rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
>   /**< Utilises CPU NEON instructions */
>   #define	RTE_CRYPTODEV_FF_CPU_ARM_CE		(1ULL << 11)
>   /**< Utilises ARM CPU Cryptographic Extensions */
> +#define	RTE_CRYPTODEV_FF_SECURITY		(1ULL << 12)
> +/**< Support Security Protocol Processing */
>   
>   
>   /**
> @@ -774,6 +776,9 @@ struct rte_cryptodev {
>   	/**< Flag indicating the device is attached */
>   } __rte_cache_aligned;
>   
> +void *
> +rte_cryptodev_get_sec_ctx(uint8_t dev_id);
> +
>   /**
>    *
>    * The data part, with no function pointers, associated with each device.
> @@ -802,6 +807,8 @@ struct rte_cryptodev_data {
>   
>   	void *dev_private;
>   	/**< PMD-specific private data */
> +	void *security_ctx;
> +	/**< Context for security ops */
>   } __rte_cache_aligned;
>   
>   extern struct rte_cryptodev *rte_cryptodevs;
> diff --git a/lib/librte_cryptodev/rte_cryptodev_version.map b/lib/librte_cryptodev/rte_cryptodev_version.map
> index 919b6cc..7ef1b0f 100644
> --- a/lib/librte_cryptodev/rte_cryptodev_version.map
> +++ b/lib/librte_cryptodev/rte_cryptodev_version.map
> @@ -84,5 +84,6 @@ DPDK_17.11 {
>   	global:
>   
>   	rte_cryptodev_name_get;
> +	rte_cryptodev_get_sec_ctx;
>   
>   } DPDK_17.08;

Tested-by: Aviad Yehezkel <aviadye at mellanox.com>