2 *------------------------------------------------------------------
3 * Copyright (c) 2019 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *------------------------------------------------------------------
18 #include <vlib/vlib.h>
19 #include <vnet/plugin/plugin.h>
20 #include <vnet/crypto/crypto.h>
21 #include <crypto_ia32/crypto_ia32.h>
23 crypto_ia32_main_t crypto_ia32_main;
26 crypto_ia32_key_handler (vlib_main_t * vm, vnet_crypto_key_op_t kop,
27 vnet_crypto_key_index_t idx)
29 vnet_crypto_key_t *key = vnet_crypto_get_key (idx);
30 crypto_ia32_main_t *cm = &crypto_ia32_main;
32 if (cm->key_fn[key->alg] == 0)
35 if (kop == VNET_CRYPTO_KEY_OP_DEL)
37 if (idx >= vec_len (cm->key_data))
40 if (cm->key_data[idx] == 0)
43 clib_mem_free_s (cm->key_data[idx]);
44 cm->key_data[idx] = 0;
48 vec_validate_aligned (cm->key_data, idx, CLIB_CACHE_LINE_BYTES);
50 if (kop == VNET_CRYPTO_KEY_OP_MODIFY && cm->key_data[idx])
52 clib_mem_free_s (cm->key_data[idx]);
55 cm->key_data[idx] = cm->key_fn[key->alg] (key);
59 crypto_ia32_init (vlib_main_t * vm)
61 crypto_ia32_main_t *cm = &crypto_ia32_main;
62 vlib_thread_main_t *tm = vlib_get_thread_main ();
63 clib_error_t *error = 0;
65 if (clib_cpu_supports_x86_aes () == 0)
68 vec_validate_aligned (cm->per_thread_data, tm->n_vlib_mains - 1,
69 CLIB_CACHE_LINE_BYTES);
71 cm->crypto_engine_index =
72 vnet_crypto_register_engine (vm, "ia32", 100,
73 "Intel IA32 ISA Optimized Crypto");
75 if (clib_cpu_supports_vaes ())
76 error = crypto_ia32_aesni_cbc_init_vaes (vm);
77 else if (clib_cpu_supports_avx512f ())
78 error = crypto_ia32_aesni_cbc_init_avx512 (vm);
79 else if (clib_cpu_supports_avx2 ())
80 error = crypto_ia32_aesni_cbc_init_avx2 (vm);
82 error = crypto_ia32_aesni_cbc_init_sse42 (vm);
87 if (clib_cpu_supports_pclmulqdq ())
89 if (clib_cpu_supports_vaes ())
90 error = crypto_ia32_aesni_gcm_init_vaes (vm);
91 else if (clib_cpu_supports_avx512f ())
92 error = crypto_ia32_aesni_gcm_init_avx512 (vm);
93 else if (clib_cpu_supports_avx2 ())
94 error = crypto_ia32_aesni_gcm_init_avx2 (vm);
96 error = crypto_ia32_aesni_gcm_init_sse42 (vm);
102 vnet_crypto_register_key_handler (vm, cm->crypto_engine_index,
103 crypto_ia32_key_handler);
108 vec_free (cm->per_thread_data);
114 VLIB_INIT_FUNCTION (crypto_ia32_init) =
116 .runs_after = VLIB_INITS ("vnet_crypto_init"),
120 #include <vpp/app/version.h>
123 VLIB_PLUGIN_REGISTER () = {
124 .version = VPP_BUILD_VER,
125 .description = "Intel IA32 Software Crypto Engine",
130 * fd.io coding-style-patch-verification: ON
133 * eval: (c-set-style "gnu")