1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2016-2017 Intel Corporation
5 #ifndef _AESNI_GCM_OPS_H_
6 #define _AESNI_GCM_OPS_H_
12 #include <gcm_defines.h>
13 #include <aux_funcs.h>
15 /** Supported vector modes */
16 enum aesni_gcm_vector_mode {
17 RTE_AESNI_GCM_NOT_SUPPORTED = 0,
21 RTE_AESNI_GCM_VECTOR_NUM
32 typedef void (*aesni_gcm_t)(const struct gcm_key_data *gcm_key_data,
33 struct gcm_context_data *gcm_ctx_data, uint8_t *out,
34 const uint8_t *in, uint64_t plaintext_len, const uint8_t *iv,
35 const uint8_t *aad, uint64_t aad_len,
36 uint8_t *auth_tag, uint64_t auth_tag_len);
38 typedef void (*aesni_gcm_precomp_t)(const void *key, struct gcm_key_data *gcm_data);
40 typedef void (*aesni_gcm_init_t)(const struct gcm_key_data *gcm_key_data,
41 struct gcm_context_data *gcm_ctx_data,
46 typedef void (*aesni_gcm_update_t)(const struct gcm_key_data *gcm_key_data,
47 struct gcm_context_data *gcm_ctx_data,
50 uint64_t plaintext_len);
52 typedef void (*aesni_gcm_finalize_t)(const struct gcm_key_data *gcm_key_data,
53 struct gcm_context_data *gcm_ctx_data,
55 uint64_t auth_tag_len);
57 /** GCM library function pointer table */
58 struct aesni_gcm_ops {
59 aesni_gcm_t enc; /**< GCM encode function pointer */
60 aesni_gcm_t dec; /**< GCM decode function pointer */
61 aesni_gcm_precomp_t precomp; /**< GCM pre-compute */
62 aesni_gcm_init_t init;
63 aesni_gcm_update_t update_enc;
64 aesni_gcm_update_t update_dec;
65 aesni_gcm_finalize_t finalize;
68 #define AES_GCM_FN(keylen, arch) \
69 aes_gcm_enc_##keylen##_##arch,\
70 aes_gcm_dec_##keylen##_##arch,\
71 aes_gcm_pre_##keylen##_##arch,\
72 aes_gcm_init_##keylen##_##arch,\
73 aes_gcm_enc_##keylen##_update_##arch,\
74 aes_gcm_dec_##keylen##_update_##arch,\
75 aes_gcm_enc_##keylen##_finalize_##arch,
77 static const struct aesni_gcm_ops gcm_ops[RTE_AESNI_GCM_VECTOR_NUM][AESNI_GCM_KEY_NUM] = {
78 [RTE_AESNI_GCM_NOT_SUPPORTED] = {
79 [AESNI_GCM_KEY_128] = {NULL},
80 [AESNI_GCM_KEY_192] = {NULL},
81 [AESNI_GCM_KEY_256] = {NULL}
83 [RTE_AESNI_GCM_SSE] = {
84 [AESNI_GCM_KEY_128] = {
87 [AESNI_GCM_KEY_192] = {
90 [AESNI_GCM_KEY_256] = {
94 [RTE_AESNI_GCM_AVX] = {
95 [AESNI_GCM_KEY_128] = {
96 AES_GCM_FN(128, avx_gen2)
98 [AESNI_GCM_KEY_192] = {
99 AES_GCM_FN(192, avx_gen2)
101 [AESNI_GCM_KEY_256] = {
102 AES_GCM_FN(256, avx_gen2)
105 [RTE_AESNI_GCM_AVX2] = {
106 [AESNI_GCM_KEY_128] = {
107 AES_GCM_FN(128, avx_gen4)
109 [AESNI_GCM_KEY_192] = {
110 AES_GCM_FN(192, avx_gen4)
112 [AESNI_GCM_KEY_256] = {
113 AES_GCM_FN(256, avx_gen4)
117 #endif /* _AESNI_GCM_OPS_H_ */