[v3,1/6] cryptodev: introduce cpu crypto support API
diff mbox series

Message ID 20200115182832.17012-2-marcinx.smoczynski@intel.com
State Superseded
Delegated to: akhil goyal
Headers show
Series
  • Introduce CPU crypto mode
Related show

Checks

Context Check Description
ci/Performance-Testing fail build patch failure
ci/Intel-compilation success Compilation OK
ci/checkpatch success coding style OK

Commit Message

Marcin Smoczynski Jan. 15, 2020, 6:28 p.m. UTC
Add new API allowing to process crypto operations in a synchronous
manner. Operations are performed on a set of SG arrays.

Sync mode is selected by setting appropriate flag in an xform
type number. Cryptodevs which allows CPU crypto operation mode have to
use RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO capability.

Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Signed-off-by: Marcin Smoczynski <marcinx.smoczynski@intel.com>
---
 lib/librte_cryptodev/rte_crypto_sym.h         | 62 ++++++++++++++++++-
 lib/librte_cryptodev/rte_cryptodev.c          | 30 +++++++++
 lib/librte_cryptodev/rte_cryptodev.h          | 20 ++++++
 lib/librte_cryptodev/rte_cryptodev_pmd.h      | 19 ++++++
 .../rte_cryptodev_version.map                 |  1 +
 5 files changed, 131 insertions(+), 1 deletion(-)

Comments

Ananyev, Konstantin Jan. 15, 2020, 11:20 p.m. UTC | #1
Hi Marcin,
 
> Add new API allowing to process crypto operations in a synchronous
> manner. Operations are performed on a set of SG arrays.
> 
> Sync mode is selected by setting appropriate flag in an xform
> type number. Cryptodevs which allows CPU crypto operation mode have to
> use RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO capability.
> 
> Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
> Signed-off-by: Marcin Smoczynski <marcinx.smoczynski@intel.com>
> ---
>  lib/librte_cryptodev/rte_crypto_sym.h         | 62 ++++++++++++++++++-
>  lib/librte_cryptodev/rte_cryptodev.c          | 30 +++++++++
>  lib/librte_cryptodev/rte_cryptodev.h          | 20 ++++++
>  lib/librte_cryptodev/rte_cryptodev_pmd.h      | 19 ++++++
>  .../rte_cryptodev_version.map                 |  1 +
>  5 files changed, 131 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/librte_cryptodev/rte_crypto_sym.h b/lib/librte_cryptodev/rte_crypto_sym.h
> index ffa038dc4..f5dd05ab0 100644
> --- a/lib/librte_cryptodev/rte_crypto_sym.h
> +++ b/lib/librte_cryptodev/rte_crypto_sym.h
> @@ -25,6 +25,59 @@ extern "C" {
>  #include <rte_mempool.h>
>  #include <rte_common.h>
> 
> +/**
> + * Crypto IO Vector (in analogy with struct iovec)
> + * Supposed be used to pass input/output data buffers for crypto data-path
> + * functions.
> + */
> +struct rte_crypto_vec {
> +	/** virtual address of the data buffer */
> +	void *base;
> +	/** IOVA of the data buffer */
> +	rte_iova_t *iova;
> +	/** length of the data buffer */
> +	uint32_t len;
> +};
> +
> +struct rte_crypto_sgl {
> +	/** start of an array of vectors */
> +	struct rte_crypto_vec *vec;
> +	/** size of an array of vectors */
> +	uint32_t num;
> +};
> +
> +struct rte_crypto_sym_vec {
> +	/** array of SGL vectors */
> +	struct rte_crypto_sgl *sgl;
> +	/** array of pointers to IV */
> +	void **iv;
> +	/** array of pointers to AAD */
> +	void **aad;
> +	/** array of pointers to digest */
> +	void **digest;
> +	/**
> +	 * array of statuses for each operation:
> +	 *  - 0 on success
> +	 *  - errno on error
> +	 */
> +	int32_t *status;
> +	/** number of operations to perform */
> +	uint32_t num;
> +};
> +
> +/**
> + * used for cpu_crypto_process_bulk() to specify head/tail offsets
> + * for auth/cipher processing.
> + */
> +union rte_crypto_sym_ofs {
> +	uint64_t raw;
> +	struct {
> +		struct {
> +			uint16_t head;
> +			uint16_t tail;
> +		} auth, cipher;
> +	} ofs;
> +};
> 
>  /** Symmetric Cipher Algorithms */
>  enum rte_crypto_cipher_algorithm {
> @@ -425,7 +478,14 @@ enum rte_crypto_sym_xform_type {
>  	RTE_CRYPTO_SYM_XFORM_NOT_SPECIFIED = 0,	/**< No xform specified */
>  	RTE_CRYPTO_SYM_XFORM_AUTH,		/**< Authentication xform */
>  	RTE_CRYPTO_SYM_XFORM_CIPHER,		/**< Cipher xform  */
> -	RTE_CRYPTO_SYM_XFORM_AEAD		/**< AEAD xform  */
> +	RTE_CRYPTO_SYM_XFORM_AEAD,		/**< AEAD xform  */
> +
> +	RTE_CRYPTO_SYM_XFORM_TYPE_MASK = 0xFFFF,
> +	/**< xform type mask value */
> +	RTE_CRYPTO_SYM_XFORM_FLAG_MASK = 0xFFFF0000,
> +	/**< xform flag mask value */
> +	RTE_CRYPTO_SYM_CPU_CRYPTO = 0x80000000,
> +	/**< xform flag for cpu-crypto */

We probably can avoid that.
Instead just expect each PMD that does provide FF_SYM_CPU_CRYPTO capability
to always create session that is capable to work in both modes (sync/async).
Apart from that - LGTM.
Konstantin

>  };
> 
>  /**
> diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
> index 89aa2ed3e..157fda890 100644
> --- a/lib/librte_cryptodev/rte_cryptodev.c
> +++ b/lib/librte_cryptodev/rte_cryptodev.c
> @@ -1616,6 +1616,36 @@ rte_cryptodev_sym_session_get_user_data(
>  	return (void *)(sess->sess_data + sess->nb_drivers);
>  }
> 
> +static inline void
> +sym_crypto_fill_status(struct rte_crypto_sym_vec *vec, int32_t errnum)
> +{
> +	uint32_t i;
> +	for (i = 0; i < vec->num; i++)
> +		vec->status[i] = errnum;
> +}
> +
> +uint32_t
> +rte_cryptodev_sym_cpu_crypto_process(uint8_t dev_id,
> +	struct rte_cryptodev_sym_session *sess, union rte_crypto_sym_ofs ofs,
> +	struct rte_crypto_sym_vec *vec)
> +{
> +	struct rte_cryptodev *dev;
> +
> +	if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
> +		sym_crypto_fill_status(vec, EINVAL);
> +		return 0;
> +	}
> +
> +	dev = rte_cryptodev_pmd_get_dev(dev_id);
> +
> +	if (*dev->dev_ops->sym_cpu_process == NULL) {
> +		sym_crypto_fill_status(vec, ENOTSUP);
> +		return 0;
> +	}
> +
> +	return dev->dev_ops->sym_cpu_process(dev, sess, ofs, vec);
> +}
> +
>  /** Initialise rte_crypto_op mempool element */
>  static void
>  rte_crypto_op_init(struct rte_mempool *mempool,
> diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h
> index c6ffa3b35..8786dfb90 100644
> --- a/lib/librte_cryptodev/rte_cryptodev.h
> +++ b/lib/librte_cryptodev/rte_cryptodev.h
> @@ -450,6 +450,8 @@ rte_cryptodev_asym_get_xform_enum(enum rte_crypto_asym_xform_type *xform_enum,
>  /**< Support encrypted-digest operations where digest is appended to data */
>  #define RTE_CRYPTODEV_FF_ASYM_SESSIONLESS		(1ULL << 20)
>  /**< Support asymmetric session-less operations */
> +#define	RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO			(1ULL << 21)
> +/**< Support symmeteric cpu-crypto processing */
> 
> 
>  /**
> @@ -1274,6 +1276,24 @@ void *
>  rte_cryptodev_sym_session_get_user_data(
>  					struct rte_cryptodev_sym_session *sess);
> 
> +/**
> + * Perform actual crypto processing (encrypt/digest or auth/decrypt)
> + * on user provided data.
> + *
> + * @param	dev_id	The device identifier.
> + * @param	sess	Cryptodev session structure
> + * @param	ofs	Start and stop offsets for auth and cipher operations
> + * @param	vec	Vectorized operation descriptor
> + *
> + * @return
> + *  - Returns number of successfully processed packets.
> + */
> +__rte_experimental
> +uint32_t
> +rte_cryptodev_sym_cpu_crypto_process(uint8_t dev_id,
> +	struct rte_cryptodev_sym_session *sess, union rte_crypto_sym_ofs ofs,
> +	struct rte_crypto_sym_vec *vec);
> +
>  #ifdef __cplusplus
>  }
>  #endif
> diff --git a/lib/librte_cryptodev/rte_cryptodev_pmd.h b/lib/librte_cryptodev/rte_cryptodev_pmd.h
> index fba14f2fa..5d9ee5fef 100644
> --- a/lib/librte_cryptodev/rte_cryptodev_pmd.h
> +++ b/lib/librte_cryptodev/rte_cryptodev_pmd.h
> @@ -308,6 +308,23 @@ typedef void (*cryptodev_sym_free_session_t)(struct rte_cryptodev *dev,
>   */
>  typedef void (*cryptodev_asym_free_session_t)(struct rte_cryptodev *dev,
>  		struct rte_cryptodev_asym_session *sess);
> +/**
> + * Perform actual crypto processing (encrypt/digest or auth/decrypt)
> + * on user provided data.
> + *
> + * @param	dev	Crypto device pointer
> + * @param	sess	Cryptodev session structure
> + * @param	ofs	Start and stop offsets for auth and cipher operations
> + * @param	vec	Vectorized operation descriptor
> + *
> + * @return
> + *  - Returns number of successfully processed packets.
> + *
> + */
> +typedef uint32_t (*cryptodev_sym_cpu_crypto_process_t)
> +	(struct rte_cryptodev *dev, struct rte_cryptodev_sym_session *sess,
> +	union rte_crypto_sym_ofs ofs, struct rte_crypto_sym_vec *vec);
> +
> 
>  /** Crypto device operations function pointer table */
>  struct rte_cryptodev_ops {
> @@ -342,6 +359,8 @@ struct rte_cryptodev_ops {
>  	/**< Clear a Crypto sessions private data. */
>  	cryptodev_asym_free_session_t asym_session_clear;
>  	/**< Clear a Crypto sessions private data. */
> +	cryptodev_sym_cpu_crypto_process_t sym_cpu_process;
> +	/**< process input data synchronously (cpu-crypto). */
>  };
> 
> 
> diff --git a/lib/librte_cryptodev/rte_cryptodev_version.map b/lib/librte_cryptodev/rte_cryptodev_version.map
> index 1dd1e259a..6e41b4be5 100644
> --- a/lib/librte_cryptodev/rte_cryptodev_version.map
> +++ b/lib/librte_cryptodev/rte_cryptodev_version.map
> @@ -71,6 +71,7 @@ EXPERIMENTAL {
>  	rte_cryptodev_asym_session_init;
>  	rte_cryptodev_asym_xform_capability_check_modlen;
>  	rte_cryptodev_asym_xform_capability_check_optype;
> +	rte_cryptodev_sym_cpu_crypto_process;
>  	rte_cryptodev_sym_get_existing_header_session_size;
>  	rte_cryptodev_sym_session_get_user_data;
>  	rte_cryptodev_sym_session_pool_create;
> --
> 2.17.1
Fan Zhang Jan. 16, 2020, 10:11 a.m. UTC | #2
Hi Marcin,

> -----Original Message-----
> From: Smoczynski, MarcinX <marcinx.smoczynski@intel.com>
> Sent: Wednesday, January 15, 2020 6:28 PM
> To: akhil.goyal@nxp.com; Ananyev, Konstantin
> <konstantin.ananyev@intel.com>; Zhang, Roy Fan
> <roy.fan.zhang@intel.com>; Doherty, Declan <declan.doherty@intel.com>;
> Nicolau, Radu <radu.nicolau@intel.com>
> Cc: dev@dpdk.org; Smoczynski, MarcinX <marcinx.smoczynski@intel.com>
> Subject: [PATCH v3 1/6] cryptodev: introduce cpu crypto support API
> 
> Add new API allowing to process crypto operations in a synchronous manner.
> Operations are performed on a set of SG arrays.
> 
> Sync mode is selected by setting appropriate flag in an xform type number.
> Cryptodevs which allows CPU crypto operation mode have to use
> RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO capability.
> 
> Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
> Signed-off-by: Marcin Smoczynski <marcinx.smoczynski@intel.com>
> ---
>  lib/librte_cryptodev/rte_crypto_sym.h         | 62 ++++++++++++++++++-
>  lib/librte_cryptodev/rte_cryptodev.c          | 30 +++++++++
>  lib/librte_cryptodev/rte_cryptodev.h          | 20 ++++++
>  lib/librte_cryptodev/rte_cryptodev_pmd.h      | 19 ++++++
>  .../rte_cryptodev_version.map                 |  1 +
>  5 files changed, 131 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/librte_cryptodev/rte_crypto_sym.h
> b/lib/librte_cryptodev/rte_crypto_sym.h
> index ffa038dc4..f5dd05ab0 100644
> --- a/lib/librte_cryptodev/rte_crypto_sym.h
> +++ b/lib/librte_cryptodev/rte_crypto_sym.h
> @@ -25,6 +25,59 @@ extern "C" {
>  #include <rte_mempool.h>
>  #include <rte_common.h>
> 
> +/**
> + * Crypto IO Vector (in analogy with struct iovec)
> + * Supposed be used to pass input/output data buffers for crypto
> +data-path
> + * functions.
> + */
> +struct rte_crypto_vec {
> +	/** virtual address of the data buffer */
> +	void *base;
> +	/** IOVA of the data buffer */
> +	rte_iova_t *iova;
> +	/** length of the data buffer */
> +	uint32_t len;
> +};
> +
> +struct rte_crypto_sgl {
> +	/** start of an array of vectors */
> +	struct rte_crypto_vec *vec;
> +	/** size of an array of vectors */
> +	uint32_t num;
> +};
> +
> +struct rte_crypto_sym_vec {
> +	/** array of SGL vectors */
> +	struct rte_crypto_sgl *sgl;
> +	/** array of pointers to IV */
> +	void **iv;
> +	/** array of pointers to AAD */
> +	void **aad;
> +	/** array of pointers to digest */
> +	void **digest;
> +	/**
> +	 * array of statuses for each operation:
> +	 *  - 0 on success
> +	 *  - errno on error
> +	 */
> +	int32_t *status;
> +	/** number of operations to perform */
> +	uint32_t num;
> +};
> +
> +/**
> + * used for cpu_crypto_process_bulk() to specify head/tail offsets
> + * for auth/cipher processing.
> + */
> +union rte_crypto_sym_ofs {
> +	uint64_t raw;
> +	struct {
> +		struct {
> +			uint16_t head;
> +			uint16_t tail;
> +		} auth, cipher;
> +	} ofs;
> +};
> 
>  /** Symmetric Cipher Algorithms */
>  enum rte_crypto_cipher_algorithm {
> @@ -425,7 +478,14 @@ enum rte_crypto_sym_xform_type {
>  	RTE_CRYPTO_SYM_XFORM_NOT_SPECIFIED = 0,	/**< No
> xform specified */
>  	RTE_CRYPTO_SYM_XFORM_AUTH,		/**< Authentication
> xform */
>  	RTE_CRYPTO_SYM_XFORM_CIPHER,		/**< Cipher xform  */
> -	RTE_CRYPTO_SYM_XFORM_AEAD		/**< AEAD xform  */
> +	RTE_CRYPTO_SYM_XFORM_AEAD,		/**< AEAD xform  */
> +
> +	RTE_CRYPTO_SYM_XFORM_TYPE_MASK = 0xFFFF,
> +	/**< xform type mask value */
> +	RTE_CRYPTO_SYM_XFORM_FLAG_MASK = 0xFFFF0000,
> +	/**< xform flag mask value */
> +	RTE_CRYPTO_SYM_CPU_CRYPTO = 0x80000000,
> +	/**< xform flag for cpu-crypto */
>  };
> 
Fan: what I believe RTE_CRYPTO_SYM_XFORM_TYPE_MASK and RTE_CRYPTO_SYM_XFORM_FLAG_MASK should be define outside the enum, but as a marco define. Also I think we missed a doc update patch in the patchset.
Other than that everything looks great.

Patch
diff mbox series

diff --git a/lib/librte_cryptodev/rte_crypto_sym.h b/lib/librte_cryptodev/rte_crypto_sym.h
index ffa038dc4..f5dd05ab0 100644
--- a/lib/librte_cryptodev/rte_crypto_sym.h
+++ b/lib/librte_cryptodev/rte_crypto_sym.h
@@ -25,6 +25,59 @@  extern "C" {
 #include <rte_mempool.h>
 #include <rte_common.h>
 
+/**
+ * Crypto IO Vector (in analogy with struct iovec)
+ * Supposed be used to pass input/output data buffers for crypto data-path
+ * functions.
+ */
+struct rte_crypto_vec {
+	/** virtual address of the data buffer */
+	void *base;
+	/** IOVA of the data buffer */
+	rte_iova_t *iova;
+	/** length of the data buffer */
+	uint32_t len;
+};
+
+struct rte_crypto_sgl {
+	/** start of an array of vectors */
+	struct rte_crypto_vec *vec;
+	/** size of an array of vectors */
+	uint32_t num;
+};
+
+struct rte_crypto_sym_vec {
+	/** array of SGL vectors */
+	struct rte_crypto_sgl *sgl;
+	/** array of pointers to IV */
+	void **iv;
+	/** array of pointers to AAD */
+	void **aad;
+	/** array of pointers to digest */
+	void **digest;
+	/**
+	 * array of statuses for each operation:
+	 *  - 0 on success
+	 *  - errno on error
+	 */
+	int32_t *status;
+	/** number of operations to perform */
+	uint32_t num;
+};
+
+/**
+ * used for cpu_crypto_process_bulk() to specify head/tail offsets
+ * for auth/cipher processing.
+ */
+union rte_crypto_sym_ofs {
+	uint64_t raw;
+	struct {
+		struct {
+			uint16_t head;
+			uint16_t tail;
+		} auth, cipher;
+	} ofs;
+};
 
 /** Symmetric Cipher Algorithms */
 enum rte_crypto_cipher_algorithm {
@@ -425,7 +478,14 @@  enum rte_crypto_sym_xform_type {
 	RTE_CRYPTO_SYM_XFORM_NOT_SPECIFIED = 0,	/**< No xform specified */
 	RTE_CRYPTO_SYM_XFORM_AUTH,		/**< Authentication xform */
 	RTE_CRYPTO_SYM_XFORM_CIPHER,		/**< Cipher xform  */
-	RTE_CRYPTO_SYM_XFORM_AEAD		/**< AEAD xform  */
+	RTE_CRYPTO_SYM_XFORM_AEAD,		/**< AEAD xform  */
+
+	RTE_CRYPTO_SYM_XFORM_TYPE_MASK = 0xFFFF,
+	/**< xform type mask value */
+	RTE_CRYPTO_SYM_XFORM_FLAG_MASK = 0xFFFF0000,
+	/**< xform flag mask value */
+	RTE_CRYPTO_SYM_CPU_CRYPTO = 0x80000000,
+	/**< xform flag for cpu-crypto */
 };
 
 /**
diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
index 89aa2ed3e..157fda890 100644
--- a/lib/librte_cryptodev/rte_cryptodev.c
+++ b/lib/librte_cryptodev/rte_cryptodev.c
@@ -1616,6 +1616,36 @@  rte_cryptodev_sym_session_get_user_data(
 	return (void *)(sess->sess_data + sess->nb_drivers);
 }
 
+static inline void
+sym_crypto_fill_status(struct rte_crypto_sym_vec *vec, int32_t errnum)
+{
+	uint32_t i;
+	for (i = 0; i < vec->num; i++)
+		vec->status[i] = errnum;
+}
+
+uint32_t
+rte_cryptodev_sym_cpu_crypto_process(uint8_t dev_id,
+	struct rte_cryptodev_sym_session *sess, union rte_crypto_sym_ofs ofs,
+	struct rte_crypto_sym_vec *vec)
+{
+	struct rte_cryptodev *dev;
+
+	if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+		sym_crypto_fill_status(vec, EINVAL);
+		return 0;
+	}
+
+	dev = rte_cryptodev_pmd_get_dev(dev_id);
+
+	if (*dev->dev_ops->sym_cpu_process == NULL) {
+		sym_crypto_fill_status(vec, ENOTSUP);
+		return 0;
+	}
+
+	return dev->dev_ops->sym_cpu_process(dev, sess, ofs, vec);
+}
+
 /** Initialise rte_crypto_op mempool element */
 static void
 rte_crypto_op_init(struct rte_mempool *mempool,
diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h
index c6ffa3b35..8786dfb90 100644
--- a/lib/librte_cryptodev/rte_cryptodev.h
+++ b/lib/librte_cryptodev/rte_cryptodev.h
@@ -450,6 +450,8 @@  rte_cryptodev_asym_get_xform_enum(enum rte_crypto_asym_xform_type *xform_enum,
 /**< Support encrypted-digest operations where digest is appended to data */
 #define RTE_CRYPTODEV_FF_ASYM_SESSIONLESS		(1ULL << 20)
 /**< Support asymmetric session-less operations */
+#define	RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO			(1ULL << 21)
+/**< Support symmeteric cpu-crypto processing */
 
 
 /**
@@ -1274,6 +1276,24 @@  void *
 rte_cryptodev_sym_session_get_user_data(
 					struct rte_cryptodev_sym_session *sess);
 
+/**
+ * Perform actual crypto processing (encrypt/digest or auth/decrypt)
+ * on user provided data.
+ *
+ * @param	dev_id	The device identifier.
+ * @param	sess	Cryptodev session structure
+ * @param	ofs	Start and stop offsets for auth and cipher operations
+ * @param	vec	Vectorized operation descriptor
+ *
+ * @return
+ *  - Returns number of successfully processed packets.
+ */
+__rte_experimental
+uint32_t
+rte_cryptodev_sym_cpu_crypto_process(uint8_t dev_id,
+	struct rte_cryptodev_sym_session *sess, union rte_crypto_sym_ofs ofs,
+	struct rte_crypto_sym_vec *vec);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/lib/librte_cryptodev/rte_cryptodev_pmd.h b/lib/librte_cryptodev/rte_cryptodev_pmd.h
index fba14f2fa..5d9ee5fef 100644
--- a/lib/librte_cryptodev/rte_cryptodev_pmd.h
+++ b/lib/librte_cryptodev/rte_cryptodev_pmd.h
@@ -308,6 +308,23 @@  typedef void (*cryptodev_sym_free_session_t)(struct rte_cryptodev *dev,
  */
 typedef void (*cryptodev_asym_free_session_t)(struct rte_cryptodev *dev,
 		struct rte_cryptodev_asym_session *sess);
+/**
+ * Perform actual crypto processing (encrypt/digest or auth/decrypt)
+ * on user provided data.
+ *
+ * @param	dev	Crypto device pointer
+ * @param	sess	Cryptodev session structure
+ * @param	ofs	Start and stop offsets for auth and cipher operations
+ * @param	vec	Vectorized operation descriptor
+ *
+ * @return
+ *  - Returns number of successfully processed packets.
+ *
+ */
+typedef uint32_t (*cryptodev_sym_cpu_crypto_process_t)
+	(struct rte_cryptodev *dev, struct rte_cryptodev_sym_session *sess,
+	union rte_crypto_sym_ofs ofs, struct rte_crypto_sym_vec *vec);
+
 
 /** Crypto device operations function pointer table */
 struct rte_cryptodev_ops {
@@ -342,6 +359,8 @@  struct rte_cryptodev_ops {
 	/**< Clear a Crypto sessions private data. */
 	cryptodev_asym_free_session_t asym_session_clear;
 	/**< Clear a Crypto sessions private data. */
+	cryptodev_sym_cpu_crypto_process_t sym_cpu_process;
+	/**< process input data synchronously (cpu-crypto). */
 };
 
 
diff --git a/lib/librte_cryptodev/rte_cryptodev_version.map b/lib/librte_cryptodev/rte_cryptodev_version.map
index 1dd1e259a..6e41b4be5 100644
--- a/lib/librte_cryptodev/rte_cryptodev_version.map
+++ b/lib/librte_cryptodev/rte_cryptodev_version.map
@@ -71,6 +71,7 @@  EXPERIMENTAL {
 	rte_cryptodev_asym_session_init;
 	rte_cryptodev_asym_xform_capability_check_modlen;
 	rte_cryptodev_asym_xform_capability_check_optype;
+	rte_cryptodev_sym_cpu_crypto_process;
 	rte_cryptodev_sym_get_existing_header_session_size;
 	rte_cryptodev_sym_session_get_user_data;
 	rte_cryptodev_sym_session_pool_create;