2 * Copyright (c) 2018 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
17 #include <vlib/vlib.h>
18 #include <vnet/crypto/crypto.h>
20 vnet_crypto_main_t crypto_main;
23 vnet_crypto_process_ops (vlib_main_t * vm, vnet_crypto_op_t ops[], u32 n_ops)
25 vnet_crypto_main_t *cm = &crypto_main;
28 for (i = 0; i < n_ops; i++)
30 vnet_crypto_op_type_t opt = ops[i].op;
31 vnet_crypto_op_t *opp = &ops[i];
33 if (cm->ops_handlers[opt])
34 rv += (cm->ops_handlers[opt]) (vm, &opp, 1);
36 ops[i].status = VNET_CRYPTO_OP_STATUS_FAIL_NO_HANDLER;
43 vnet_crypto_register_engine (vlib_main_t * vm, char *name, int prio,
46 vnet_crypto_main_t *cm = &crypto_main;
47 vnet_crypto_engine_t *p;
49 vec_add2 (cm->engines, p, 1);
54 hash_set_mem (cm->engine_index_by_name, p->name, p - cm->engines);
56 return p - cm->engines;
60 vnet_crypto_set_handler (char *ops_handler_name, char *engine)
63 vnet_crypto_main_t *cm = &crypto_main;
64 vnet_crypto_op_type_t ot;
65 vnet_crypto_op_type_data_t *otd;
66 vnet_crypto_engine_t *ce;
68 p = hash_get_mem (cm->ops_handler_index_by_name, ops_handler_name);
73 otd = cm->opt_data + ot;
75 p = hash_get_mem (cm->engine_index_by_name, engine);
79 ce = cm->engines + p[0];
80 otd->active_engine_index = p[0];
81 cm->ops_handlers[ot] = ce->ops_handlers[ot];
87 vnet_crypto_register_ops_handler (vlib_main_t * vm, u32 engine_index,
88 vnet_crypto_op_type_t opt,
89 vnet_crypto_ops_handler_t * fn)
91 vnet_crypto_main_t *cm = &crypto_main;
92 vnet_crypto_engine_t *ae, *e = vec_elt_at_index (cm->engines, engine_index);
93 vnet_crypto_op_type_data_t *otd = cm->opt_data + opt;
94 vec_validate_aligned (cm->ops_handlers, VNET_CRYPTO_N_OP_TYPES - 1,
95 CLIB_CACHE_LINE_BYTES);
96 e->ops_handlers[opt] = fn;
98 if (otd->active_engine_index == ~0)
100 otd->active_engine_index = engine_index;
101 cm->ops_handlers[opt] = fn;
104 ae = vec_elt_at_index (cm->engines, otd->active_engine_index);
105 if (ae->priority < e->priority)
107 otd->active_engine_index = engine_index;
108 cm->ops_handlers[opt] = fn;
115 vnet_crypto_init (vlib_main_t * vm)
117 vnet_crypto_main_t *cm = &crypto_main;
118 vlib_thread_main_t *tm = vlib_get_thread_main ();
119 #define CRYPTO_ENC_STR "encrypt"
120 #define CRYPTO_DEC_STR "decrypt"
121 #define CRYPTO_HMAC_STR "hmac"
123 cm->engine_index_by_name = hash_create_string ( /* size */ 0,
125 cm->ops_handler_index_by_name = hash_create_string (0, sizeof (uword));
127 vec_validate_aligned (cm->threads, tm->n_vlib_mains, CLIB_CACHE_LINE_BYTES);
128 vec_validate (cm->algs, VNET_CRYPTO_N_ALGS);
131 cm->algs[VNET_CRYPTO_ALG_##n].name = s; \
132 cm->opt_data[VNET_CRYPTO_OP_##n##_ENC].alg = VNET_CRYPTO_ALG_##n; \
133 cm->opt_data[VNET_CRYPTO_OP_##n##_DEC].alg = VNET_CRYPTO_ALG_##n; \
134 cm->opt_data[VNET_CRYPTO_OP_##n##_ENC].desc = CRYPTO_ENC_STR; \
135 cm->opt_data[VNET_CRYPTO_OP_##n##_DEC].desc = CRYPTO_DEC_STR; \
136 cm->opt_data[VNET_CRYPTO_OP_##n##_ENC].active_engine_index = ~0; \
137 cm->opt_data[VNET_CRYPTO_OP_##n##_DEC].active_engine_index = ~0; \
138 hash_set_mem (cm->ops_handler_index_by_name, CRYPTO_ENC_STR "-" s, \
139 VNET_CRYPTO_OP_##n##_ENC); \
140 hash_set_mem (cm->ops_handler_index_by_name, CRYPTO_DEC_STR "-" s, \
141 VNET_CRYPTO_OP_##n##_DEC);
146 cm->algs[VNET_CRYPTO_ALG_##n].name = s; \
147 cm->opt_data[VNET_CRYPTO_OP_##n##_HMAC].alg = VNET_CRYPTO_ALG_##n; \
148 cm->opt_data[VNET_CRYPTO_OP_##n##_HMAC].desc = CRYPTO_HMAC_STR; \
149 cm->opt_data[VNET_CRYPTO_OP_##n##_HMAC].active_engine_index = ~0; \
150 hash_set_mem (cm->ops_handler_index_by_name, CRYPTO_HMAC_STR "-" s, \
151 VNET_CRYPTO_OP_##n##_HMAC);
158 VLIB_INIT_FUNCTION (vnet_crypto_init);
161 * fd.io coding-style-patch-verification: ON
164 * eval: (c-set-style "gnu")