FD.io VPP  v20.01-46-g7006026de
Vector Packet Processing
main.c
Go to the documentation of this file.
1 /*
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:
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
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  *------------------------------------------------------------------
16  */
17 
18 #include <vlib/vlib.h>
19 #include <vnet/plugin/plugin.h>
20 #include <vnet/crypto/crypto.h>
22 
24 
25 static void
28 {
31 
32  if (cm->key_fn[key->alg] == 0)
33  return;
34 
35  if (kop == VNET_CRYPTO_KEY_OP_DEL)
36  {
37  if (idx >= vec_len (cm->key_data))
38  return;
39 
40  if (cm->key_data[idx] == 0)
41  return;
42 
43  clib_mem_free_s (cm->key_data[idx]);
44  cm->key_data[idx] = 0;
45  return;
46  }
47 
49 
50  if (kop == VNET_CRYPTO_KEY_OP_MODIFY && cm->key_data[idx])
51  {
52  clib_mem_free_s (cm->key_data[idx]);
53  }
54 
55  cm->key_data[idx] = cm->key_fn[key->alg] (key);
56 }
57 
60 {
63  clib_error_t *error = 0;
64 
65  if (clib_cpu_supports_x86_aes () == 0)
66  return 0;
67 
70 
72  vnet_crypto_register_engine (vm, "ia32", 100,
73  "Intel IA32 ISA Optimized Crypto");
74 
75  if (clib_cpu_supports_avx512f ())
77  else if (clib_cpu_supports_avx2 ())
79  else
81 
82  if (error)
83  goto error;
84 
85  if (clib_cpu_supports_pclmulqdq ())
86  {
87  if (clib_cpu_supports_avx512f ())
89  else if (clib_cpu_supports_avx2 ())
91  else
93 
94  if (error)
95  goto error;
96  }
97 
100 
101 
102 error:
103  if (error)
105 
106  return error;
107 }
108 
109 /* *INDENT-OFF* */
111 {
112  .runs_after = VLIB_INITS ("vnet_crypto_init"),
113 };
114 /* *INDENT-ON* */
115 
116 #include <vpp/app/version.h>
117 
118 /* *INDENT-OFF* */
120  .version = VPP_BUILD_VER,
121  .description = "Intel IA32 Software Crypto Engine",
122 };
123 /* *INDENT-ON* */
124 
125 /*
126  * fd.io coding-style-patch-verification: ON
127  *
128  * Local Variables:
129  * eval: (c-set-style "gnu")
130  * End:
131  */
clib_error_t * crypto_ia32_aesni_gcm_init_sse42(vlib_main_t *vm)
Definition: aes_gcm.c:754
VLIB_PLUGIN_REGISTER()
#define vec_validate_aligned(V, I, A)
Make sure vector is long enough for given index (no header, specified alignment)
Definition: vec.h:451
void vnet_crypto_register_key_handler(vlib_main_t *vm, u32 engine_index, vnet_crypto_key_handler_t *key_handler)
Definition: crypto.c:169
vnet_crypto_key_op_t
Definition: crypto.h:70
crypto_ia32_main_t crypto_ia32_main
Definition: main.c:23
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:173
vnet_crypto_main_t * cm
Definition: quic_crypto.c:41
vnet_crypto_alg_t alg
Definition: crypto.h:102
vlib_main_t * vm
Definition: in2out_ed.c:1810
clib_error_t * crypto_ia32_aesni_gcm_init_avx512(vlib_main_t *vm)
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:342
crypto_ia32_per_thread_data_t * per_thread_data
Definition: crypto_ia32.h:31
clib_error_t * crypto_ia32_aesni_cbc_init_avx2(vlib_main_t *vm)
u32 vnet_crypto_key_index_t
Definition: crypto.h:159
static void clib_mem_free_s(void *p)
Definition: mem.h:268
typedef key
Definition: ipsec_types.api:83
static_always_inline vnet_crypto_key_t * vnet_crypto_get_key(vnet_crypto_key_index_t index)
Definition: crypto.h:240
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
clib_error_t * crypto_ia32_init(vlib_main_t *vm)
Definition: main.c:59
clib_error_t * crypto_ia32_aesni_gcm_init_avx2(vlib_main_t *vm)
clib_error_t * crypto_ia32_aesni_cbc_init_sse42(vlib_main_t *vm)
Definition: aes_cbc.c:261
crypto_ia32_key_fn_t * key_fn[VNET_CRYPTO_N_ALGS]
Definition: crypto_ia32.h:32
static vlib_thread_main_t * vlib_get_thread_main()
Definition: global_funcs.h:32
#define CLIB_CACHE_LINE_BYTES
Definition: cache.h:59
u32 vnet_crypto_register_engine(vlib_main_t *vm, char *name, int prio, char *desc)
Definition: crypto.c:78
static void crypto_ia32_key_handler(vlib_main_t *vm, vnet_crypto_key_op_t kop, vnet_crypto_key_index_t idx)
Definition: main.c:26
clib_error_t * crypto_ia32_aesni_cbc_init_avx512(vlib_main_t *vm)
#define VLIB_INITS(...)
Definition: init.h:344