src/vlib/counter_types.h

/*-
 *   BSD LICENSE
 *
 *   Copyright(c) 2016 Intel Corporation. All rights reserved.
 *
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 *   modification, are permitted provided that the following conditions
 *   are met:
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 *       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.
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 *       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
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#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_ */