drivers/crypto/aesni_gcm/aesni_gcm_ops.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2016-2017 Intel Corporation
   3  */
   4
   5 #ifndef _AESNI_GCM_OPS_H_
   6 #define _AESNI_GCM_OPS_H_
   7
   8 #ifndef LINUX
   9 #define LINUX
  10 #endif
  11
  12 #include <gcm_defines.h>
  13 #include <aux_funcs.h>
  14
  15 /** Supported vector modes */
  16 enum aesni_gcm_vector_mode {
  17         RTE_AESNI_GCM_NOT_SUPPORTED = 0,
  18         RTE_AESNI_GCM_SSE,
  19         RTE_AESNI_GCM_AVX,
  20         RTE_AESNI_GCM_AVX2,
  21         RTE_AESNI_GCM_VECTOR_NUM
  22 };
  23
  24 enum aesni_gcm_key {
  25         AESNI_GCM_KEY_128,
  26         AESNI_GCM_KEY_192,
  27         AESNI_GCM_KEY_256,
  28         AESNI_GCM_KEY_NUM
  29 };
  30
  31
  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);
  37
  38 typedef void (*aesni_gcm_precomp_t)(const void *key, struct gcm_key_data *gcm_data);
  39
  40 typedef void (*aesni_gcm_init_t)(const struct gcm_key_data *gcm_key_data,
  41                 struct gcm_context_data *gcm_ctx_data,
  42                 const uint8_t *iv,
  43                 uint8_t const *aad,
  44                 uint64_t aad_len);
  45
  46 typedef void (*aesni_gcm_update_t)(const struct gcm_key_data *gcm_key_data,
  47                 struct gcm_context_data *gcm_ctx_data,
  48                 uint8_t *out,
  49                 const uint8_t *in,
  50                 uint64_t plaintext_len);
  51
  52 typedef void (*aesni_gcm_finalize_t)(const struct gcm_key_data *gcm_key_data,
  53                 struct gcm_context_data *gcm_ctx_data,
  54                 uint8_t *auth_tag,
  55                 uint64_t auth_tag_len);
  56
  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;
  66 };
  67
  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,
  76
  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}
  82         },
  83         [RTE_AESNI_GCM_SSE] = {
  84                 [AESNI_GCM_KEY_128] = {
  85                         AES_GCM_FN(128, sse)
  86                 },
  87                 [AESNI_GCM_KEY_192] = {
  88                         AES_GCM_FN(192, sse)
  89                 },
  90                 [AESNI_GCM_KEY_256] = {
  91                         AES_GCM_FN(256, sse)
  92                 }
  93         },
  94         [RTE_AESNI_GCM_AVX] = {
  95                 [AESNI_GCM_KEY_128] = {
  96                         AES_GCM_FN(128, avx_gen2)
  97                 },
  98                 [AESNI_GCM_KEY_192] = {
  99                         AES_GCM_FN(192, avx_gen2)
 100                 },
 101                 [AESNI_GCM_KEY_256] = {
 102                         AES_GCM_FN(256, avx_gen2)
 103                 }
 104         },
 105         [RTE_AESNI_GCM_AVX2] = {
 106                 [AESNI_GCM_KEY_128] = {
 107                         AES_GCM_FN(128, avx_gen4)
 108                 },
 109                 [AESNI_GCM_KEY_192] = {
 110                         AES_GCM_FN(192, avx_gen4)
 111                 },
 112                 [AESNI_GCM_KEY_256] = {
 113                         AES_GCM_FN(256, avx_gen4)
 114                 }
 115         }
 116 };
 117 #endif /* _AESNI_GCM_OPS_H_ */