113 lines
3.0 KiB
C
113 lines
3.0 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2016-2017 Intel Corporation
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*/
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#ifndef _RTE_AESNI_GCM_PMD_PRIVATE_H_
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#define _RTE_AESNI_GCM_PMD_PRIVATE_H_
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#include "aesni_gcm_ops.h"
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/*
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* IMB_VERSION_NUM macro was introduced in version Multi-buffer 0.50,
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* so if macro is not defined, it means that the version is 0.49.
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*/
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#if !defined(IMB_VERSION_NUM)
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#define IMB_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c))
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#define IMB_VERSION_NUM IMB_VERSION(0, 49, 0)
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#endif
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#define CRYPTODEV_NAME_AESNI_GCM_PMD crypto_aesni_gcm
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/**< AES-NI GCM PMD device name */
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/** AES-NI GCM PMD LOGTYPE DRIVER */
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int aesni_gcm_logtype_driver;
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#define AESNI_GCM_LOG(level, fmt, ...) \
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rte_log(RTE_LOG_ ## level, aesni_gcm_logtype_driver, \
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"%s() line %u: "fmt "\n", __func__, __LINE__, \
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## __VA_ARGS__)
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/* Maximum length for digest */
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#define DIGEST_LENGTH_MAX 16
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/** private data structure for each virtual AESNI GCM device */
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struct aesni_gcm_private {
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enum aesni_gcm_vector_mode vector_mode;
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/**< Vector mode */
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unsigned max_nb_queue_pairs;
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/**< Max number of queue pairs supported by device */
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};
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struct aesni_gcm_qp {
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const struct aesni_gcm_ops *ops;
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/**< Architecture dependent function pointer table of the gcm APIs */
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struct rte_ring *processed_pkts;
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/**< Ring for placing process packets */
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struct gcm_context_data gdata_ctx; /* (16 * 5) + 8 = 88 B */
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/**< GCM parameters */
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struct rte_cryptodev_stats qp_stats; /* 8 * 4 = 32 B */
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/**< Queue pair statistics */
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struct rte_mempool *sess_mp;
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/**< Session Mempool */
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uint16_t id;
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/**< Queue Pair Identifier */
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char name[RTE_CRYPTODEV_NAME_MAX_LEN];
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/**< Unique Queue Pair Name */
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uint8_t temp_digest[DIGEST_LENGTH_MAX];
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/**< Buffer used to store the digest generated
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* by the driver when verifying a digest provided
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* by the user (using authentication verify operation)
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*/
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} __rte_cache_aligned;
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enum aesni_gcm_operation {
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AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION,
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AESNI_GCM_OP_AUTHENTICATED_DECRYPTION,
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AESNI_GMAC_OP_GENERATE,
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AESNI_GMAC_OP_VERIFY
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};
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/** AESNI GCM private session structure */
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struct aesni_gcm_session {
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struct {
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uint16_t length;
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uint16_t offset;
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} iv;
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/**< IV parameters */
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uint16_t aad_length;
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/**< AAD length */
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uint16_t req_digest_length;
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/**< Requested digest length */
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uint16_t gen_digest_length;
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/**< Generated digest length */
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enum aesni_gcm_operation op;
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/**< GCM operation type */
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enum aesni_gcm_key key;
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/**< GCM key type */
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struct gcm_key_data gdata_key;
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/**< GCM parameters */
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};
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/**
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* Setup GCM session parameters
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* @param sess aesni gcm session structure
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* @param xform crypto transform chain
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*
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* @return
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* - On success returns 0
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* - On failure returns error code < 0
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*/
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extern int
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aesni_gcm_set_session_parameters(const struct aesni_gcm_ops *ops,
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struct aesni_gcm_session *sess,
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const struct rte_crypto_sym_xform *xform);
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/**
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* Device specific operations function pointer structure */
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extern struct rte_cryptodev_ops *rte_aesni_gcm_pmd_ops;
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#endif /* _RTE_AESNI_GCM_PMD_PRIVATE_H_ */
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