1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2016-2017 Intel Corporation
5 #ifndef _RTE_AESNI_GCM_PMD_PRIVATE_H_
6 #define _RTE_AESNI_GCM_PMD_PRIVATE_H_
8 #include "aesni_gcm_ops.h"
11 * IMB_VERSION_NUM macro was introduced in version Multi-buffer 0.50,
12 * so if macro is not defined, it means that the version is 0.49.
14 #if !defined(IMB_VERSION_NUM)
15 #define IMB_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c))
16 #define IMB_VERSION_NUM IMB_VERSION(0, 49, 0)
19 #define CRYPTODEV_NAME_AESNI_GCM_PMD crypto_aesni_gcm
20 /**< AES-NI GCM PMD device name */
22 /** AES-NI GCM PMD LOGTYPE DRIVER */
23 int aesni_gcm_logtype_driver;
24 #define AESNI_GCM_LOG(level, fmt, ...) \
25 rte_log(RTE_LOG_ ## level, aesni_gcm_logtype_driver, \
26 "%s() line %u: "fmt "\n", __func__, __LINE__, \
29 /* Maximum length for digest */
30 #define DIGEST_LENGTH_MAX 16
32 /** private data structure for each virtual AESNI GCM device */
33 struct aesni_gcm_private {
34 enum aesni_gcm_vector_mode vector_mode;
36 unsigned max_nb_queue_pairs;
37 /**< Max number of queue pairs supported by device */
41 const struct aesni_gcm_ops *ops;
42 /**< Architecture dependent function pointer table of the gcm APIs */
43 struct rte_ring *processed_pkts;
44 /**< Ring for placing process packets */
45 struct gcm_context_data gdata_ctx; /* (16 * 5) + 8 = 88 B */
46 /**< GCM parameters */
47 struct rte_cryptodev_stats qp_stats; /* 8 * 4 = 32 B */
48 /**< Queue pair statistics */
49 struct rte_mempool *sess_mp;
50 /**< Session Mempool */
52 /**< Queue Pair Identifier */
53 char name[RTE_CRYPTODEV_NAME_MAX_LEN];
54 /**< Unique Queue Pair Name */
55 uint8_t temp_digest[DIGEST_LENGTH_MAX];
56 /**< Buffer used to store the digest generated
57 * by the driver when verifying a digest provided
58 * by the user (using authentication verify operation)
60 } __rte_cache_aligned;
63 enum aesni_gcm_operation {
64 AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION,
65 AESNI_GCM_OP_AUTHENTICATED_DECRYPTION,
66 AESNI_GMAC_OP_GENERATE,
70 /** AESNI GCM private session structure */
71 struct aesni_gcm_session {
79 uint16_t req_digest_length;
80 /**< Requested digest length */
81 uint16_t gen_digest_length;
82 /**< Generated digest length */
83 enum aesni_gcm_operation op;
84 /**< GCM operation type */
85 enum aesni_gcm_key key;
87 struct gcm_key_data gdata_key;
88 /**< GCM parameters */
93 * Setup GCM session parameters
94 * @param sess aesni gcm session structure
95 * @param xform crypto transform chain
98 * - On success returns 0
99 * - On failure returns error code < 0
102 aesni_gcm_set_session_parameters(const struct aesni_gcm_ops *ops,
103 struct aesni_gcm_session *sess,
104 const struct rte_crypto_sym_xform *xform);
108 * Device specific operations function pointer structure */
109 extern struct rte_cryptodev_ops *rte_aesni_gcm_pmd_ops;
112 #endif /* _RTE_AESNI_GCM_PMD_PRIVATE_H_ */