f-stack/dpdk/drivers/crypto/aesni_gcm/aesni_gcm_pmd_private.h

121 lines
4.0 KiB
C

/*-
* BSD LICENSE
*
* Copyright(c) 2016 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RTE_AESNI_GCM_PMD_PRIVATE_H_
#define _RTE_AESNI_GCM_PMD_PRIVATE_H_
#include "aesni_gcm_ops.h"
#define GCM_LOG_ERR(fmt, args...) \
RTE_LOG(ERR, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \
RTE_STR(CRYPTODEV_NAME_AESNI_GCM_PMD), \
__func__, __LINE__, ## args)
#ifdef RTE_LIBRTE_AESNI_MB_DEBUG
#define GCM_LOG_INFO(fmt, args...) \
RTE_LOG(INFO, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \
RTE_STR(CRYPTODEV_NAME_AESNI_GCM_PMD), \
__func__, __LINE__, ## args)
#define GCM_LOG_DBG(fmt, args...) \
RTE_LOG(DEBUG, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \
RTE_STR(CRYPTODEV_NAME_AESNI_GCM_PMD), \
__func__, __LINE__, ## args)
#else
#define GCM_LOG_INFO(fmt, args...)
#define GCM_LOG_DBG(fmt, args...)
#endif
/** private data structure for each virtual AESNI GCM device */
struct aesni_gcm_private {
enum aesni_gcm_vector_mode vector_mode;
/**< Vector mode */
unsigned max_nb_queue_pairs;
/**< Max number of queue pairs supported by device */
unsigned max_nb_sessions;
/**< Max number of sessions supported by device */
};
struct aesni_gcm_qp {
uint16_t id;
/**< Queue Pair Identifier */
char name[RTE_CRYPTODEV_NAME_LEN];
/**< Unique Queue Pair Name */
const struct aesni_gcm_ops *ops;
/**< Architecture dependent function pointer table of the gcm APIs */
struct rte_ring *processed_pkts;
/**< Ring for placing process packets */
struct rte_mempool *sess_mp;
/**< Session Mempool */
struct rte_cryptodev_stats qp_stats;
/**< Queue pair statistics */
} __rte_cache_aligned;
enum aesni_gcm_operation {
AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION,
AESNI_GCM_OP_AUTHENTICATED_DECRYPTION
};
/** AESNI GCM private session structure */
struct aesni_gcm_session {
enum aesni_gcm_operation op;
/**< GCM operation type */
struct gcm_data gdata __rte_cache_aligned;
/**< GCM parameters */
};
/**
* Setup GCM session parameters
* @param ops gcm ops function pointer table
* @param sess aesni gcm session structure
* @param xform crypto transform chain
*
* @return
* - On success returns 0
* - On failure returns error code < 0
*/
extern int
aesni_gcm_set_session_parameters(const struct aesni_gcm_ops *ops,
struct aesni_gcm_session *sess,
const struct rte_crypto_sym_xform *xform);
/**
* Device specific operations function pointer structure */
extern struct rte_cryptodev_ops *rte_aesni_gcm_pmd_ops;
#endif /* _RTE_AESNI_GCM_PMD_PRIVATE_H_ */