diff options
Diffstat (limited to 'src/plugins/crypto_native/aes_gcm.c')
| -rw-r--r-- | src/plugins/crypto_native/aes_gcm.c | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/src/plugins/crypto_native/aes_gcm.c b/src/plugins/crypto_native/aes_gcm.c deleted file mode 100644 index 220788d4e97..00000000000 --- a/src/plugins/crypto_native/aes_gcm.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - *------------------------------------------------------------------ - * Copyright (c) 2019 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - *------------------------------------------------------------------ - */ - -#include <vlib/vlib.h> -#include <vnet/plugin/plugin.h> -#include <vnet/crypto/crypto.h> -#include <crypto_native/crypto_native.h> -#include <vppinfra/crypto/aes_gcm.h> - -#if __GNUC__ > 4 && !__clang__ && CLIB_DEBUG == 0 -#pragma GCC optimize("O3") -#endif - -static_always_inline u32 -aes_ops_enc_aes_gcm (vlib_main_t *vm, vnet_crypto_op_t *ops[], u32 n_ops, - aes_key_size_t ks) -{ - crypto_native_main_t *cm = &crypto_native_main; - vnet_crypto_op_t *op = ops[0]; - aes_gcm_key_data_t *kd; - u32 n_left = n_ops; - -next: - kd = (aes_gcm_key_data_t *) cm->key_data[op->key_index]; - aes_gcm (op->src, op->dst, op->aad, (u8 *) op->iv, op->tag, op->len, - op->aad_len, op->tag_len, kd, AES_KEY_ROUNDS (ks), - AES_GCM_OP_ENCRYPT); - op->status = VNET_CRYPTO_OP_STATUS_COMPLETED; - - if (--n_left) - { - op += 1; - goto next; - } - - return n_ops; -} - -static_always_inline u32 -aes_ops_dec_aes_gcm (vlib_main_t *vm, vnet_crypto_op_t *ops[], u32 n_ops, - aes_key_size_t ks) -{ - crypto_native_main_t *cm = &crypto_native_main; - vnet_crypto_op_t *op = ops[0]; - aes_gcm_key_data_t *kd; - u32 n_left = n_ops; - int rv; - -next: - kd = (aes_gcm_key_data_t *) cm->key_data[op->key_index]; - rv = aes_gcm (op->src, op->dst, op->aad, (u8 *) op->iv, op->tag, op->len, - op->aad_len, op->tag_len, kd, AES_KEY_ROUNDS (ks), - AES_GCM_OP_DECRYPT); - - if (rv) - { - op->status = VNET_CRYPTO_OP_STATUS_COMPLETED; - } - else - { - op->status = VNET_CRYPTO_OP_STATUS_FAIL_BAD_HMAC; - n_ops--; - } - - if (--n_left) - { - op += 1; - goto next; - } - - return n_ops; -} - -static_always_inline void * -aes_gcm_key_exp (vnet_crypto_key_t *key, aes_key_size_t ks) -{ - aes_gcm_key_data_t *kd; - - kd = clib_mem_alloc_aligned (sizeof (*kd), CLIB_CACHE_LINE_BYTES); - - clib_aes_gcm_key_expand (kd, key->data, ks); - - return kd; -} - -#define foreach_aes_gcm_handler_type _ (128) _ (192) _ (256) - -#define _(x) \ - static u32 aes_ops_dec_aes_gcm_##x (vlib_main_t *vm, \ - vnet_crypto_op_t *ops[], u32 n_ops) \ - { \ - return aes_ops_dec_aes_gcm (vm, ops, n_ops, AES_KEY_##x); \ - } \ - static u32 aes_ops_enc_aes_gcm_##x (vlib_main_t *vm, \ - vnet_crypto_op_t *ops[], u32 n_ops) \ - { \ - return aes_ops_enc_aes_gcm (vm, ops, n_ops, AES_KEY_##x); \ - } \ - static void *aes_gcm_key_exp_##x (vnet_crypto_key_t *key) \ - { \ - return aes_gcm_key_exp (key, AES_KEY_##x); \ - } - -foreach_aes_gcm_handler_type; -#undef _ - -static int -probe () -{ -#if defined(__VAES__) && defined(__AVX512F__) - if (clib_cpu_supports_vpclmulqdq () && clib_cpu_supports_vaes () && - clib_cpu_supports_avx512f ()) - return 50; -#elif defined(__VAES__) - if (clib_cpu_supports_vpclmulqdq () && clib_cpu_supports_vaes ()) - return 40; -#elif defined(__AVX512F__) - if (clib_cpu_supports_pclmulqdq () && clib_cpu_supports_avx512f ()) - return 30; -#elif defined(__AVX2__) - if (clib_cpu_supports_pclmulqdq () && clib_cpu_supports_avx2 ()) - return 20; -#elif __AES__ - if (clib_cpu_supports_pclmulqdq () && clib_cpu_supports_aes ()) - return 10; -#elif __aarch64__ - if (clib_cpu_supports_aarch64_aes ()) - return 10; -#endif - return -1; -} - -#define _(b) \ - CRYPTO_NATIVE_OP_HANDLER (aes_##b##_gcm_enc) = { \ - .op_id = VNET_CRYPTO_OP_AES_##b##_GCM_ENC, \ - .fn = aes_ops_enc_aes_gcm_##b, \ - .probe = probe, \ - }; \ - \ - CRYPTO_NATIVE_OP_HANDLER (aes_##b##_gcm_dec) = { \ - .op_id = VNET_CRYPTO_OP_AES_##b##_GCM_DEC, \ - .fn = aes_ops_dec_aes_gcm_##b, \ - .probe = probe, \ - }; \ - CRYPTO_NATIVE_KEY_HANDLER (aes_##b##_gcm) = { \ - .alg_id = VNET_CRYPTO_ALG_AES_##b##_GCM, \ - .key_fn = aes_gcm_key_exp_##b, \ - .probe = probe, \ - }; - -_ (128) _ (192) _ (256) -#undef _ |