9f2799fda4
Type: feature Change-Id: I9e7ebf43536c972a62621fc7ad7406abec0ce071 Signed-off-by: Damjan Marion <damarion@cisco.com>
129 lines
3.3 KiB
C
129 lines
3.3 KiB
C
/*
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*------------------------------------------------------------------
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* Copyright (c) 2019 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*------------------------------------------------------------------
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*/
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#include <vlib/vlib.h>
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#include <vnet/plugin/plugin.h>
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#include <vnet/crypto/crypto.h>
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#include <crypto_native/crypto_native.h>
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crypto_native_main_t crypto_native_main;
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static void
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crypto_native_key_handler (vlib_main_t * vm, vnet_crypto_key_op_t kop,
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vnet_crypto_key_index_t idx)
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{
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vnet_crypto_key_t *key = vnet_crypto_get_key (idx);
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crypto_native_main_t *cm = &crypto_native_main;
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/** TODO: add linked alg support **/
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if (key->type == VNET_CRYPTO_KEY_TYPE_LINK)
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return;
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if (cm->key_fn[key->alg] == 0)
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return;
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if (kop == VNET_CRYPTO_KEY_OP_DEL)
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{
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if (idx >= vec_len (cm->key_data))
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return;
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if (cm->key_data[idx] == 0)
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return;
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clib_mem_free_s (cm->key_data[idx]);
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cm->key_data[idx] = 0;
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return;
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}
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vec_validate_aligned (cm->key_data, idx, CLIB_CACHE_LINE_BYTES);
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if (kop == VNET_CRYPTO_KEY_OP_MODIFY && cm->key_data[idx])
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{
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clib_mem_free_s (cm->key_data[idx]);
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}
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cm->key_data[idx] = cm->key_fn[key->alg] (key);
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}
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clib_error_t *
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crypto_native_init (vlib_main_t * vm)
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{
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crypto_native_main_t *cm = &crypto_native_main;
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if (cm->op_handlers == 0)
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return 0;
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cm->crypto_engine_index =
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vnet_crypto_register_engine (vm, "native", 100,
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"Native ISA Optimized Crypto");
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crypto_native_op_handler_t *oh = cm->op_handlers;
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crypto_native_key_handler_t *kh = cm->key_handlers;
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crypto_native_op_handler_t **best_by_op_id = 0;
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crypto_native_key_handler_t **best_by_alg_id = 0;
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while (oh)
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{
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vec_validate (best_by_op_id, oh->op_id);
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if (best_by_op_id[oh->op_id] == 0 ||
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best_by_op_id[oh->op_id]->priority < oh->priority)
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best_by_op_id[oh->op_id] = oh;
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oh = oh->next;
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}
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while (kh)
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{
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vec_validate (best_by_alg_id, kh->alg_id);
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if (best_by_alg_id[kh->alg_id] == 0 ||
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best_by_alg_id[kh->alg_id]->priority < kh->priority)
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best_by_alg_id[kh->alg_id] = kh;
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kh = kh->next;
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}
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vec_foreach_pointer (oh, best_by_op_id)
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if (oh)
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vnet_crypto_register_ops_handlers (vm, cm->crypto_engine_index,
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oh->op_id, oh->fn, oh->cfn);
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vec_foreach_pointer (kh, best_by_alg_id)
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if (kh)
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cm->key_fn[kh->alg_id] = kh->key_fn;
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vec_free (best_by_op_id);
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vec_free (best_by_alg_id);
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vnet_crypto_register_key_handler (vm, cm->crypto_engine_index,
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crypto_native_key_handler);
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return 0;
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}
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VLIB_INIT_FUNCTION (crypto_native_init) =
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{
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.runs_after = VLIB_INITS ("vnet_crypto_init"),
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};
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#include <vpp/app/version.h>
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VLIB_PLUGIN_REGISTER () = {
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.version = VPP_BUILD_VER,
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.description = "Native Crypto Engine",
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};
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