#include <string.h>
#include <rte_config.h>
#include <rte_dev.h>
#include <rte_malloc.h>
#include <rte_mbuf.h>
#include <rte_mempool.h>
#include <rte_log.h>
#include <rte_common.h>
#include "rte_crypto.h"
#include "rte_cryptodev.h"

Data Structures
struct	rte_cryptodev_global
struct	rte_cryptodev_ops

Typedefs
typedef int(*	cryptodev_configure_t )(struct rte_cryptodev dev, struct rte_cryptodev_config config)
typedef int(*	cryptodev_start_t )(struct rte_cryptodev *dev)
typedef void(*	cryptodev_stop_t )(struct rte_cryptodev *dev)
typedef int(*	cryptodev_close_t )(struct rte_cryptodev *dev)
typedef void(*	cryptodev_stats_get_t )(struct rte_cryptodev dev, struct rte_cryptodev_stats stats)
typedef void(*	cryptodev_stats_reset_t )(struct rte_cryptodev *dev)
typedef void(*	cryptodev_info_get_t )(struct rte_cryptodev dev, struct rte_cryptodev_info dev_info)
typedef int(*	cryptodev_queue_pair_start_t )(struct rte_cryptodev *dev, uint16_t qp_id)
typedef int(*	cryptodev_queue_pair_stop_t )(struct rte_cryptodev *dev, uint16_t qp_id)
typedef int(*	cryptodev_queue_pair_setup_t )(struct rte_cryptodev dev, uint16_t qp_id, const struct rte_cryptodev_qp_conf qp_conf, int socket_id, struct rte_mempool *session_pool)
typedef int(*	cryptodev_queue_pair_release_t )(struct rte_cryptodev *dev, uint16_t qp_id)
typedef uint32_t(*	cryptodev_queue_pair_count_t )(struct rte_cryptodev *dev)
typedef int(*	cryptodev_sym_create_session_pool_t )(struct rte_cryptodev *dev, unsigned nb_objs, unsigned obj_cache_size, int socket_id)
typedef unsigned(*	cryptodev_sym_get_session_private_size_t )(struct rte_cryptodev *dev)
typedef int(*	cryptodev_sym_configure_session_t )(struct rte_cryptodev dev, struct rte_crypto_sym_xform xform, struct rte_cryptodev_sym_session session, struct rte_mempool mp)
typedef void(*	cryptodev_sym_free_session_t )(struct rte_cryptodev dev, struct rte_cryptodev_sym_session sess)
typedef int(*	cryptodev_sym_queue_pair_attach_session_t )(struct rte_cryptodev dev, uint16_t qp_id, void session_private)
typedef int(*	cryptodev_sym_queue_pair_detach_session_t )(struct rte_cryptodev dev, uint16_t qp_id, void session_private)

Functions
struct rte_cryptodev *	rte_cryptodev_pmd_get_dev (uint8_t dev_id)
struct rte_cryptodev *	rte_cryptodev_pmd_get_named_dev (const char *name)
unsigned int	rte_cryptodev_pmd_is_valid_dev (uint8_t dev_id)
struct rte_cryptodev *	rte_cryptodev_pmd_allocate (const char *name, int socket_id)
int	rte_cryptodev_pmd_release_device (struct rte_cryptodev *cryptodev)
void	rte_cryptodev_pmd_callback_process (struct rte_cryptodev *dev, enum rte_cryptodev_event_type event)

Variables
struct rte_cryptodev_global *	rte_cryptodev_globals
struct rte_cryptodev *	rte_cryptodevs

Detailed Description

RTE Crypto PMD APIs

Note: These API are from crypto PMD only and user applications should not call them directly.

Definition in file rte_cryptodev_pmd.h.

Typedef Documentation

typedef int(* cryptodev_configure_t)(struct rte_cryptodev *dev, struct rte_cryptodev_config *config)

Definitions of all functions exported by a driver through the the generic structure of type crypto_dev_ops supplied in the rte_cryptodev structure associated with a device. Function used to configure device.

Parameters

dev	Crypto device pointer config Crypto device configurations

Returns: Returns 0 on success

Definition at line 162 of file rte_cryptodev_pmd.h.

typedef int(* cryptodev_start_t)(struct rte_cryptodev *dev)

Function used to start a configured device.

Parameters

dev	Crypto device pointer

Returns: Returns 0 on success

Definition at line 172 of file rte_cryptodev_pmd.h.

typedef void(* cryptodev_stop_t)(struct rte_cryptodev *dev)

Function used to stop a configured device.

Parameters

dev	Crypto device pointer

Definition at line 179 of file rte_cryptodev_pmd.h.

typedef int(* cryptodev_close_t)(struct rte_cryptodev *dev)

Function used to close a configured device.

Parameters

dev	Crypto device pointer

Returns

0 on success.
EAGAIN if can't close as device is busy

Definition at line 189 of file rte_cryptodev_pmd.h.

typedef void(* cryptodev_stats_get_t)(struct rte_cryptodev *dev, struct rte_cryptodev_stats *stats)

Function used to get statistics of a device.

Parameters

dev	Crypto device pointer
stats	Pointer to crypto device stats structure to populate

Definition at line 198 of file rte_cryptodev_pmd.h.

typedef void(* cryptodev_stats_reset_t)(struct rte_cryptodev *dev)

Function used to reset statistics of a device.

Parameters

dev	Crypto device pointer

Definition at line 207 of file rte_cryptodev_pmd.h.

typedef void(* cryptodev_info_get_t)(struct rte_cryptodev *dev, struct rte_cryptodev_info *dev_info)

Function used to get specific information of a device.

Parameters

dev	Crypto device pointer

Definition at line 215 of file rte_cryptodev_pmd.h.

typedef int(* cryptodev_queue_pair_start_t)(struct rte_cryptodev *dev, uint16_t qp_id)

Start queue pair of a device.

Parameters

dev	Crypto device pointer
qp_id	Queue Pair Index

Returns: Returns 0 on success.

Definition at line 226 of file rte_cryptodev_pmd.h.

typedef int(* cryptodev_queue_pair_stop_t)(struct rte_cryptodev *dev, uint16_t qp_id)

Stop queue pair of a device.

Parameters

dev	Crypto device pointer
qp_id	Queue Pair Index

Returns: Returns 0 on success.

Definition at line 237 of file rte_cryptodev_pmd.h.

typedef int(* cryptodev_queue_pair_setup_t)(struct rte_cryptodev *dev, uint16_t qp_id, const struct rte_cryptodev_qp_conf *qp_conf, int socket_id, struct rte_mempool *session_pool)

Setup a queue pair for a device.

Parameters

dev	Crypto device pointer
qp_id	Queue Pair Index
qp_conf	Queue configuration structure
socket_id	Socket Index
session_pool	Pointer to device session mempool

Returns: Returns 0 on success.

Definition at line 251 of file rte_cryptodev_pmd.h.

typedef int(* cryptodev_queue_pair_release_t)(struct rte_cryptodev *dev, uint16_t qp_id)

Release memory resources allocated by given queue pair.

Parameters

dev	Crypto device pointer
qp_id	Queue Pair Index

Returns

0 on success.
EAGAIN if can't close as device is busy

Definition at line 265 of file rte_cryptodev_pmd.h.

typedef uint32_t(* cryptodev_queue_pair_count_t)(struct rte_cryptodev *dev)

Get number of available queue pairs of a device.

Parameters

dev	Crypto device pointer

Returns: Returns number of queue pairs on success.

Definition at line 275 of file rte_cryptodev_pmd.h.

typedef int(* cryptodev_sym_create_session_pool_t)(struct rte_cryptodev *dev, unsigned nb_objs, unsigned obj_cache_size, int socket_id)

Create a session mempool to allocate sessions from

Parameters

dev	Crypto device pointer
nb_objs	number of sessions objects in mempool
obj_cache	l-core object cache size, see rte_ring_create
socket_id	Socket Id to allocate mempool on.

Returns

On success returns a pointer to a rte_mempool
On failure returns a NULL pointer

Definition at line 289 of file rte_cryptodev_pmd.h.

typedef unsigned(* cryptodev_sym_get_session_private_size_t)(struct rte_cryptodev *dev)

Get the size of a cryptodev session

Parameters

dev	Crypto device pointer

Returns

On success returns the size of the session structure for device
On failure returns 0

Definition at line 303 of file rte_cryptodev_pmd.h.

typedef int(* cryptodev_sym_configure_session_t)(struct rte_cryptodev *dev, struct rte_crypto_sym_xform *xform, struct rte_cryptodev_sym_session *session, struct rte_mempool *mp)

Configure a Crypto session on a device.

Parameters

dev	Crypto device pointer
xform	Single or chain of crypto xforms
priv_sess	Pointer to cryptodev's private session structure
mp	Mempool where the private session is allocated

Returns

Returns 0 if private session structure have been created successfully.
Returns -EINVAL if input parameters are invalid.
Returns -ENOTSUP if crypto device does not support the crypto transform.
Returns -ENOMEM if the private session could not be allocated.

Definition at line 320 of file rte_cryptodev_pmd.h.

typedef void(* cryptodev_sym_free_session_t)(struct rte_cryptodev *dev, struct rte_cryptodev_sym_session *sess)

Free driver private session data.

Parameters

dev	Crypto device pointer
sess	Cryptodev session structure

Definition at line 331 of file rte_cryptodev_pmd.h.

typedef int(* cryptodev_sym_queue_pair_attach_session_t)(struct rte_cryptodev *dev, uint16_t qp_id, void *session_private)

Optional API for drivers to attach sessions with queue pair.

Parameters

dev	Crypto device pointer
qp_id	queue pair id for attaching session
priv_sess	Pointer to cryptodev's private session structure

Returns

Return 0 on success

Definition at line 342 of file rte_cryptodev_pmd.h.

typedef int(* cryptodev_sym_queue_pair_detach_session_t)(struct rte_cryptodev *dev, uint16_t qp_id, void *session_private)

Optional API for drivers to detach sessions from queue pair.

Parameters

dev	Crypto device pointer
qp_id	queue pair id for detaching session
priv_sess	Pointer to cryptodev's private session structure

Returns

Return 0 on success

Definition at line 355 of file rte_cryptodev_pmd.h.

Function Documentation

struct rte_cryptodev* rte_cryptodev_pmd_get_dev ( uint8_t dev_id )

read

Get the rte_cryptodev structure device pointer for the device. Assumes a valid device index.

Parameters

dev_id Device ID value to select the device structure.

Returns

The rte_cryptodev structure pointer for the given device ID.

struct rte_cryptodev* rte_cryptodev_pmd_get_named_dev ( const char * name )

read

Get the rte_cryptodev structure device pointer for the named device.

Parameters

name	device name to select the device structure.

Returns

The rte_cryptodev structure pointer for the given device ID.

unsigned int rte_cryptodev_pmd_is_valid_dev ( uint8_t dev_id )

Validate if the crypto device index is valid attached crypto device.

Parameters

dev_id Crypto device index.

Returns

If the device index is valid (1) or not (0).

struct rte_cryptodev* rte_cryptodev_pmd_allocate	(	const char *	name,
		int	socket_id
	)

read

Function for internal use by dummy drivers primarily, e.g. ring-based driver. Allocates a new cryptodev slot for an crypto device and returns the pointer to that slot for the driver to use.

Parameters

name	Unique identifier name for each device
socket_id	Socket to allocate resources on.

Returns

Slot in the rte_dev_devices array for a new device;

int rte_cryptodev_pmd_release_device ( struct rte_cryptodev * cryptodev )

Function for internal use by dummy drivers primarily, e.g. ring-based driver. Release the specified cryptodev device.

Parameters

cryptodev The cryptodev pointer is the address of the rte_cryptodev structure.

Returns

0 on success, negative on error

void rte_cryptodev_pmd_callback_process	(	struct rte_cryptodev *	dev,
		enum rte_cryptodev_event_type	event
	)

Executes all the user application registered callbacks for the specific device.

Parameters

dev Pointer to cryptodev struct

event Crypto device interrupt event type.

Returns
void

Variable Documentation

struct rte_cryptodev_global* rte_cryptodev_globals

pointer to global crypto devices data structure.

struct rte_cryptodev* rte_cryptodevs

The pool of rte_cryptodev structures.

dev	Pointer to cryptodev struct
event	Crypto device interrupt event type.

Data Structures

Typedefs

Functions

Variables

Detailed Description

Typedef Documentation

Function Documentation

Variable Documentation