f-stack/dpdk/lib/security/rte_security_driver.h

256 lines
7.3 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2017 NXP.
* Copyright(c) 2017 Intel Corporation.
*/
#ifndef _RTE_SECURITY_DRIVER_H_
#define _RTE_SECURITY_DRIVER_H_
/**
* @file rte_security_driver.h
*
* RTE Security Common Definitions
*
*/
#ifdef __cplusplus
extern "C" {
#endif
#include <rte_compat.h>
#include "rte_security.h"
/**
* @internal
* Security session to be used by library for internal usage
*/
struct rte_security_session {
RTE_MARKER cacheline0;
uint64_t opaque_data;
/**< Opaque user defined data */
uint64_t fast_mdata;
/**< Fast metadata to be used for inline path */
rte_iova_t driver_priv_data_iova;
/**< session private data IOVA address */
RTE_MARKER cacheline1 __rte_cache_min_aligned;
uint8_t driver_priv_data[0];
/**< Private session material, variable size (depends on driver) */
};
/**
* Helper macro to get driver private data
*/
#define SECURITY_GET_SESS_PRIV(s) \
((void *)(((struct rte_security_session *)s)->driver_priv_data))
#define SECURITY_GET_SESS_PRIV_IOVA(s) \
(((struct rte_security_session *)s)->driver_priv_data_iova)
/**
* Configure a security session on a device.
*
* @param device Crypto/eth device pointer
* @param conf Security session configuration
* @param sess Pointer to Security private session structure
*
* @return
* - 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.
*/
typedef int (*security_session_create_t)(void *device,
struct rte_security_session_conf *conf,
struct rte_security_session *sess);
/**
* Free driver private session data.
*
* @param device Crypto/eth device pointer
* @param sess Security session structure
*/
typedef int (*security_session_destroy_t)(void *device,
struct rte_security_session *sess);
/**
* Update driver private session data.
*
* @param device Crypto/eth device pointer
* @param sess Pointer to Security private session structure
* @param conf Security session configuration
*
* @return
* - Returns 0 if private session structure have been updated successfully.
* - Returns -EINVAL if input parameters are invalid.
* - Returns -ENOTSUP if crypto device does not support the crypto transform.
*/
typedef int (*security_session_update_t)(void *device,
struct rte_security_session *sess,
struct rte_security_session_conf *conf);
/**
* Configure a MACsec secure channel (SC) on a device.
*
* @param device Crypto/eth device pointer
* @param conf MACsec SC configuration params
*
* @return
* - positive sc_id if SC is created successfully.
* - -EINVAL if input parameters are invalid.
* - -ENOTSUP if device does not support MACsec.
* - -ENOMEM if the SC cannot be created.
*/
typedef int (*security_macsec_sc_create_t)(void *device, struct rte_security_macsec_sc *conf);
/**
* Free MACsec secure channel (SC).
*
* @param device Crypto/eth device pointer
* @param sc_id MACsec SC ID
*/
typedef int (*security_macsec_sc_destroy_t)(void *device, uint16_t sc_id);
/**
* Configure a MACsec security Association (SA) on a device.
*
* @param device Crypto/eth device pointer
* @param conf MACsec SA configuration params
*
* @return
* - positive sa_id if SA is created successfully.
* - -EINVAL if input parameters are invalid.
* - -ENOTSUP if device does not support MACsec.
* - -ENOMEM if the SA cannot be created.
*/
typedef int (*security_macsec_sa_create_t)(void *device, struct rte_security_macsec_sa *conf);
/**
* Free MACsec security association (SA).
*
* @param device Crypto/eth device pointer
* @param sa_id MACsec SA ID
*/
typedef int (*security_macsec_sa_destroy_t)(void *device, uint16_t sa_id);
/**
* Get the size of a security session
*
* @param device Crypto/eth device pointer
*
* @return
* - On success returns the size of the session structure for device
* - On failure returns 0
*/
typedef unsigned int (*security_session_get_size)(void *device);
/**
* Get stats from the PMD.
*
* @param device Crypto/eth device pointer
* @param sess Pointer to Security private session structure
* @param stats Security stats of the driver
*
* @return
* - Returns 0 if private session structure have been updated successfully.
* - Returns -EINVAL if session parameters are invalid.
*/
typedef int (*security_session_stats_get_t)(void *device,
struct rte_security_session *sess,
struct rte_security_stats *stats);
/**
* Get MACsec secure channel stats from the PMD.
*
* @param device Crypto/eth device pointer
* @param sc_id secure channel ID created by rte_security_macsec_sc_create()
* @param stats SC stats of the driver
*
* @return
* - 0 if success.
* - -EINVAL if sc_id or device is invalid.
*/
typedef int (*security_macsec_sc_stats_get_t)(void *device, uint16_t sc_id,
struct rte_security_macsec_sc_stats *stats);
/**
* Get MACsec SA stats from the PMD.
*
* @param device Crypto/eth device pointer
* @param sa_id secure channel ID created by rte_security_macsec_sc_create()
* @param stats SC stats of the driver
*
* @return
* - 0 if success.
* - -EINVAL if sa_id or device is invalid.
*/
typedef int (*security_macsec_sa_stats_get_t)(void *device, uint16_t sa_id,
struct rte_security_macsec_sa_stats *stats);
__rte_internal
int rte_security_dynfield_register(void);
/**
* Update the mbuf with provided metadata.
*
* @param device Crypto/eth device pointer
* @param sess Security session structure
* @param mb Packet buffer
* @param params Metadata
*
* @return
* - Returns 0 if metadata updated successfully.
* - Returns -ve value for errors.
*/
typedef int (*security_set_pkt_metadata_t)(void *device,
struct rte_security_session *sess, struct rte_mbuf *mb,
void *params);
/**
* Get security capabilities of the device.
*
* @param device crypto/eth device pointer
*
* @return
* - Returns rte_security_capability pointer on success.
* - Returns NULL on error.
*/
typedef const struct rte_security_capability *(*security_capabilities_get_t)(
void *device);
/** Security operations function pointer table */
struct rte_security_ops {
security_session_create_t session_create;
/**< Configure a security session. */
security_session_update_t session_update;
/**< Update a security session. */
security_session_get_size session_get_size;
/**< Return size of security session. */
security_session_stats_get_t session_stats_get;
/**< Get security session statistics. */
security_session_destroy_t session_destroy;
/**< Clear a security sessions private data. */
security_set_pkt_metadata_t set_pkt_metadata;
/**< Update mbuf metadata. */
security_capabilities_get_t capabilities_get;
/**< Get security capabilities. */
security_macsec_sc_create_t macsec_sc_create;
/**< Configure a MACsec security channel (SC). */
security_macsec_sc_destroy_t macsec_sc_destroy;
/**< Free a MACsec security channel (SC). */
security_macsec_sa_create_t macsec_sa_create;
/**< Configure a MACsec security association (SA). */
security_macsec_sa_destroy_t macsec_sa_destroy;
/**< Free a MACsec security association (SA). */
security_macsec_sc_stats_get_t macsec_sc_stats_get;
/**< Get MACsec SC statistics. */
security_macsec_sa_stats_get_t macsec_sa_stats_get;
/**< Get MACsec SA statistics. */
};
#ifdef __cplusplus
}
#endif
#endif /* _RTE_SECURITY_DRIVER_H_ */