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_native/crypto_native.h>
23 crypto_native_main_t crypto_native_main;
26 crypto_native_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_native_main_t *cm = &crypto_native_main;
32 /** TODO: add linked alg support **/
33 if (key->type == VNET_CRYPTO_KEY_TYPE_LINK)
36 if (cm->key_fn[key->alg] == 0)
39 if (kop == VNET_CRYPTO_KEY_OP_DEL)
41 if (idx >= vec_len (cm->key_data))
44 if (cm->key_data[idx] == 0)
47 clib_mem_free_s (cm->key_data[idx]);
48 cm->key_data[idx] = 0;
52 vec_validate_aligned (cm->key_data, idx, CLIB_CACHE_LINE_BYTES);
54 if (kop == VNET_CRYPTO_KEY_OP_MODIFY && cm->key_data[idx])
56 clib_mem_free_s (cm->key_data[idx]);
59 cm->key_data[idx] = cm->key_fn[key->alg] (key);
63 crypto_native_init (vlib_main_t * vm)
65 crypto_native_main_t *cm = &crypto_native_main;
67 if (cm->op_handlers == 0)
70 cm->crypto_engine_index =
71 vnet_crypto_register_engine (vm, "native", 100,
72 "Native ISA Optimized Crypto");
74 crypto_native_op_handler_t *oh = cm->op_handlers;
75 crypto_native_key_handler_t *kh = cm->key_handlers;
76 crypto_native_op_handler_t **best_by_op_id = 0;
77 crypto_native_key_handler_t **best_by_alg_id = 0;
81 vec_validate (best_by_op_id, oh->op_id);
83 if (best_by_op_id[oh->op_id] == 0 ||
84 best_by_op_id[oh->op_id]->priority < oh->priority)
85 best_by_op_id[oh->op_id] = oh;
92 vec_validate (best_by_alg_id, kh->alg_id);
94 if (best_by_alg_id[kh->alg_id] == 0 ||
95 best_by_alg_id[kh->alg_id]->priority < kh->priority)
96 best_by_alg_id[kh->alg_id] = kh;
101 vec_foreach_pointer (oh, best_by_op_id)
103 vnet_crypto_register_ops_handlers (vm, cm->crypto_engine_index,
104 oh->op_id, oh->fn, oh->cfn);
106 vec_foreach_pointer (kh, best_by_alg_id)
108 cm->key_fn[kh->alg_id] = kh->key_fn;
110 vec_free (best_by_op_id);
111 vec_free (best_by_alg_id);
113 vnet_crypto_register_key_handler (vm, cm->crypto_engine_index,
114 crypto_native_key_handler);
118 VLIB_INIT_FUNCTION (crypto_native_init) =
120 .runs_after = VLIB_INITS ("vnet_crypto_init"),
123 #include <vpp/app/version.h>
125 VLIB_PLUGIN_REGISTER () = {
126 .version = VPP_BUILD_VER,
127 .description = "Native Crypto Engine",