diff options
Diffstat (limited to 'src/plugins/crypto_ia32')
| -rw-r--r-- | src/plugins/crypto_ia32/CMakeLists.txt | 24 | ||||
| -rw-r--r-- | src/plugins/crypto_ia32/aes_cbc.c | 270 | ||||
| -rw-r--r-- | src/plugins/crypto_ia32/aesni.h | 224 | ||||
| -rw-r--r-- | src/plugins/crypto_ia32/crypto_ia32.h | 44 | ||||
| -rw-r--r-- | src/plugins/crypto_ia32/main.c | 70 |
5 files changed, 632 insertions, 0 deletions
diff --git a/src/plugins/crypto_ia32/CMakeLists.txt b/src/plugins/crypto_ia32/CMakeLists.txt new file mode 100644 index 00000000000..a100cdbb681 --- /dev/null +++ b/src/plugins/crypto_ia32/CMakeLists.txt @@ -0,0 +1,24 @@ +# Copyright (c) 2018 Cisco and/or its affiliates. +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at: +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +if(NOT CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*") + return() +endif() + +add_vpp_plugin(crypto_ia32 + SOURCES + aes_cbc.c + main.c +) + +target_compile_options(crypto_ia32_plugin PRIVATE "-march=silvermont") diff --git a/src/plugins/crypto_ia32/aes_cbc.c b/src/plugins/crypto_ia32/aes_cbc.c new file mode 100644 index 00000000000..281cc83705a --- /dev/null +++ b/src/plugins/crypto_ia32/aes_cbc.c @@ -0,0 +1,270 @@ +/* + *------------------------------------------------------------------ + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + *------------------------------------------------------------------ + */ + +#include <vlib/vlib.h> +#include <vnet/plugin/plugin.h> +#include <vnet/crypto/crypto.h> +#include <x86intrin.h> +#include <crypto_ia32/crypto_ia32.h> +#include <crypto_ia32/aesni.h> + +static_always_inline void +aes_cbc_dec (__m128i * k, u8 * src, u8 * dst, u8 * iv, int count, + aesni_key_size_t rounds) +{ + __m128i r0, r1, r2, r3, c0, c1, c2, c3, f; + int i; + + f = _mm_loadu_si128 ((__m128i *) iv); + + while (count >= 64) + { + _mm_prefetch (src + 128, _MM_HINT_T0); + _mm_prefetch (dst + 128, _MM_HINT_T0); + + c0 = _mm_loadu_si128 (((__m128i *) src + 0)); + c1 = _mm_loadu_si128 (((__m128i *) src + 1)); + c2 = _mm_loadu_si128 (((__m128i *) src + 2)); + c3 = _mm_loadu_si128 (((__m128i *) src + 3)); + + r0 = c0 ^ k[0]; + r1 = c1 ^ k[0]; + r2 = c2 ^ k[0]; + r3 = c3 ^ k[0]; + + for (i = 1; i < rounds; i++) + { + r0 = _mm_aesdec_si128 (r0, k[i]); + r1 = _mm_aesdec_si128 (r1, k[i]); + r2 = _mm_aesdec_si128 (r2, k[i]); + r3 = _mm_aesdec_si128 (r3, k[i]); + } + + r0 = _mm_aesdeclast_si128 (r0, k[i]); + r1 = _mm_aesdeclast_si128 (r1, k[i]); + r2 = _mm_aesdeclast_si128 (r2, k[i]); + r3 = _mm_aesdeclast_si128 (r3, k[i]); + + _mm_storeu_si128 ((__m128i *) dst + 0, r0 ^ f); + _mm_storeu_si128 ((__m128i *) dst + 1, r1 ^ c0); + _mm_storeu_si128 ((__m128i *) dst + 2, r2 ^ c1); + _mm_storeu_si128 ((__m128i *) dst + 3, r3 ^ c2); + + f = c3; + + count -= 64; + src += 64; + dst += 64; + } + + while (count > 0) + { + c0 = _mm_loadu_si128 (((__m128i *) src)); + r0 = c0 ^ k[0]; + for (i = 1; i < rounds; i++) + r0 = _mm_aesdec_si128 (r0, k[i]); + r0 = _mm_aesdeclast_si128 (r0, k[i]); + _mm_storeu_si128 ((__m128i *) dst, r0 ^ f); + f = c0; + count -= 16; + src += 16; + dst += 16; + } +} + +static_always_inline u32 +aesni_ops_enc_aes_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[], + u32 n_ops, aesni_key_size_t ks) +{ + crypto_ia32_main_t *cm = &crypto_ia32_main; + crypto_ia32_per_thread_data_t *ptd = vec_elt_at_index (cm->per_thread_data, + vm->thread_index); + int rounds = AESNI_KEY_ROUNDS (ks); + u8 dummy[8192]; + u8 *src[4], *dst[4], *key[4]; + u32x4 dummy_mask, len = { }; + u32 i, j, count, n_left = n_ops; + __m128i r[4], k[4][rounds + 1]; + +more: + for (i = 0; i < 4; i++) + if (len[i] == 0) + { + if (n_left == 0) + { + /* no more work to enqueue, so we are enqueueing dummy buffer */ + src[i] = dst[i] = dummy; + len[i] = sizeof (dummy); + dummy_mask[i] = 0; + } + else + { + if (ops[0]->flags & VNET_CRYPTO_OP_FLAG_INIT_IV) + { + r[i] = ptd->cbc_iv[i]; + _mm_storeu_si128 ((__m128i *) ops[0]->iv, r[i]); + ptd->cbc_iv[i] = _mm_aesenc_si128 (r[i], r[i]); + } + else + r[i] = _mm_loadu_si128 ((__m128i *) ops[0]->iv); + src[i] = ops[0]->src; + dst[i] = ops[0]->dst; + len[i] = ops[0]->len; + dummy_mask[i] = ~0; + if (key[i] != ops[0]->key) + { + aes_key_expand (k[i], ops[0]->key, ks); + key[i] = ops[0]->key; + } + ops[0]->status = VNET_CRYPTO_OP_STATUS_COMPLETED; + n_left--; + ops++; + } + } + + count = u32x4_min_scalar (len); + + ASSERT (count % 16 == 0); + + for (i = 0; i < count; i += 16) + { + r[0] ^= _mm_loadu_si128 ((__m128i *) (src[0] + i)) ^ k[0][0]; + r[1] ^= _mm_loadu_si128 ((__m128i *) (src[1] + i)) ^ k[1][0]; + r[2] ^= _mm_loadu_si128 ((__m128i *) (src[2] + i)) ^ k[2][0]; + r[3] ^= _mm_loadu_si128 ((__m128i *) (src[3] + i)) ^ k[3][0]; + + for (j = 1; j < rounds; j++) + { + r[0] = _mm_aesenc_si128 (r[0], k[0][j]); + r[1] = _mm_aesenc_si128 (r[1], k[1][j]); + r[2] = _mm_aesenc_si128 (r[2], k[2][j]); + r[3] = _mm_aesenc_si128 (r[3], k[3][j]); + } + + r[0] = _mm_aesenclast_si128 (r[0], k[0][j]); + r[1] = _mm_aesenclast_si128 (r[1], k[1][j]); + r[2] = _mm_aesenclast_si128 (r[2], k[2][j]); + r[3] = _mm_aesenclast_si128 (r[3], k[3][j]); + + _mm_storeu_si128 ((__m128i *) (dst[0] + i), r[0]); + _mm_storeu_si128 ((__m128i *) (dst[1] + i), r[1]); + _mm_storeu_si128 ((__m128i *) (dst[2] + i), r[2]); + _mm_storeu_si128 ((__m128i *) (dst[3] + i), r[3]); + } + + for (i = 0; i < 4; i++) + { + src[i] += count; + dst[i] += count; + len[i] -= count; + } + + if (n_left > 0) + goto more; + + if (!u32x4_is_all_zero (len & dummy_mask)) + goto more; + + return n_ops; +} + +static_always_inline u32 +aesni_ops_dec_aes_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[], + u32 n_ops, aesni_key_size_t ks) +{ + int rounds = AESNI_KEY_ROUNDS (ks); + u8 *last_key = 0; + u32 i; + __m128i k[rounds + 1]; + + for (i = 0; i < n_ops; i++) + { + vnet_crypto_op_t *op = ops[i]; + if (last_key != op->key) + { + aes_key_expand (k, op->key, ks); + last_key = op->key; + aes_key_enc_to_dec (k, rounds); + } + aes_cbc_dec (k, op->src, op->dst, op->iv, op->len, rounds); + op->status = VNET_CRYPTO_OP_STATUS_COMPLETED; + } + return n_ops; +} + +#define foreach_aesni_cbc_handler_type _(128) _(192) _(256) + +#define _(x) \ +static u32 aesni_ops_dec_aes_cbc_##x \ +(vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops) \ +{ return aesni_ops_dec_aes_cbc (vm, ops, n_ops, AESNI_KEY_##x); } \ +static u32 aesni_ops_enc_aes_cbc_##x \ +(vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops) \ +{ return aesni_ops_enc_aes_cbc (vm, ops, n_ops, AESNI_KEY_##x); } \ + +foreach_aesni_cbc_handler_type; +#undef _ + +#include <fcntl.h> + +clib_error_t * +crypto_ia32_aesni_cbc_init (vlib_main_t * vm) +{ + crypto_ia32_main_t *cm = &crypto_ia32_main; + crypto_ia32_per_thread_data_t *ptd; + clib_error_t *err = 0; + int fd; + + if ((fd = open ("/dev/urandom", O_RDONLY)) < 0) + return clib_error_return_unix (0, "failed to open '/dev/urandom'"); + + /* *INDENT-OFF* */ + vec_foreach (ptd, cm->per_thread_data) + { + for (int i = 0; i < 4; i++) + { + if (read(fd, ptd->cbc_iv, sizeof (ptd->cbc_iv)) < 0) + { + err = clib_error_return_unix (0, "'/dev/urandom' read failure"); + goto error; + } + } + } + /* *INDENT-ON* */ + +#define _(x) \ + vnet_crypto_register_ops_handler (vm, cm->crypto_engine_index, \ + VNET_CRYPTO_OP_AES_##x##_CBC_ENC, \ + aesni_ops_enc_aes_cbc_##x); \ + vnet_crypto_register_ops_handler (vm, cm->crypto_engine_index, \ + VNET_CRYPTO_OP_AES_##x##_CBC_DEC, \ + aesni_ops_dec_aes_cbc_##x); + foreach_aesni_cbc_handler_type; +#undef _ + +error: + close (fd); + return err; +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/src/plugins/crypto_ia32/aesni.h b/src/plugins/crypto_ia32/aesni.h new file mode 100644 index 00000000000..077889ae903 --- /dev/null +++ b/src/plugins/crypto_ia32/aesni.h @@ -0,0 +1,224 @@ +/* + *------------------------------------------------------------------ + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + *------------------------------------------------------------------ + */ + +#ifndef __aesni_h__ +#define __aesni_h__ + +typedef enum +{ + AESNI_KEY_128 = 0, + AESNI_KEY_192 = 1, + AESNI_KEY_256 = 2, +} aesni_key_size_t; + +#define AESNI_KEY_ROUNDS(x) (10 + x *2) +#define AESNI_KEY_BYTES(x) (16 + x * 8) + + +/* AES-NI based AES key expansion based on code samples from + Intel(r) Advanced Encryption Standard (AES) New Instructions White Paper + (323641-001) */ + +static_always_inline __m128i +aes128_key_assist (__m128i r1, __m128i r2) +{ + r1 ^= _mm_slli_si128 (r1, 4); + r1 ^= _mm_slli_si128 (r1, 4); + r1 ^= _mm_slli_si128 (r1, 4); + return r1 ^ _mm_shuffle_epi32 (r2, 0xff); +} + +static_always_inline void +aes128_key_expand (__m128i * k, u8 * key) +{ + k[0] = _mm_loadu_si128 ((const __m128i *) key); + k[1] = aes128_key_assist (k[0], _mm_aeskeygenassist_si128 (k[0], 0x01)); + k[2] = aes128_key_assist (k[1], _mm_aeskeygenassist_si128 (k[1], 0x02)); + k[3] = aes128_key_assist (k[2], _mm_aeskeygenassist_si128 (k[2], 0x04)); + k[4] = aes128_key_assist (k[3], _mm_aeskeygenassist_si128 (k[3], 0x08)); + k[5] = aes128_key_assist (k[4], _mm_aeskeygenassist_si128 (k[4], 0x10)); + k[6] = aes128_key_assist (k[5], _mm_aeskeygenassist_si128 (k[5], 0x20)); + k[7] = aes128_key_assist (k[6], _mm_aeskeygenassist_si128 (k[6], 0x40)); + k[8] = aes128_key_assist (k[7], _mm_aeskeygenassist_si128 (k[7], 0x80)); + k[9] = aes128_key_assist (k[8], _mm_aeskeygenassist_si128 (k[8], 0x1b)); + k[10] = aes128_key_assist (k[9], _mm_aeskeygenassist_si128 (k[9], 0x36)); +} + +static_always_inline void +aes192_key_assist (__m128i * r1, __m128i * r2, __m128i * r3) +{ + __m128i r; + *r1 ^= r = _mm_slli_si128 (*r1, 0x4); + *r1 ^= r = _mm_slli_si128 (r, 0x4); + *r1 ^= _mm_slli_si128 (r, 0x4); + *r1 ^= _mm_shuffle_epi32 (*r2, 0x55); + *r3 ^= _mm_slli_si128 (*r3, 0x4); + *r3 ^= *r2 = _mm_shuffle_epi32 (*r1, 0xff); +} + +static_always_inline void +aes192_key_expand (__m128i * k, u8 * key) +{ + __m128i r1, r2, r3; + + k[0] = r1 = _mm_loadu_si128 ((__m128i *) key); + r3 = _mm_loadu_si128 ((__m128i *) (key + 16)); + + k[1] = r3; + r2 = _mm_aeskeygenassist_si128 (r3, 0x1); + aes192_key_assist (&r1, &r2, &r3); + k[1] = (__m128i) _mm_shuffle_pd ((__m128d) k[1], (__m128d) r1, 0); + k[2] = (__m128i) _mm_shuffle_pd ((__m128d) r1, (__m128d) r3, 1); + r2 = _mm_aeskeygenassist_si128 (r3, 0x2); + aes192_key_assist (&r1, &r2, &r3); + k[3] = r1; + + k[4] = r3; + r2 = _mm_aeskeygenassist_si128 (r3, 0x4); + aes192_key_assist (&r1, &r2, &r3); + k[4] = (__m128i) _mm_shuffle_pd ((__m128d) k[4], (__m128d) r1, 0); + k[5] = (__m128i) _mm_shuffle_pd ((__m128d) r1, (__m128d) r3, 1); + r2 = _mm_aeskeygenassist_si128 (r3, 0x8); + aes192_key_assist (&r1, &r2, &r3); + k[6] = r1; + + k[7] = r3; + r2 = _mm_aeskeygenassist_si128 (r3, 0x10); + aes192_key_assist (&r1, &r2, &r3); + k[7] = (__m128i) _mm_shuffle_pd ((__m128d) k[7], (__m128d) r1, 0); + k[8] = (__m128i) _mm_shuffle_pd ((__m128d) r1, (__m128d) r3, 1); + r2 = _mm_aeskeygenassist_si128 (r3, 0x20); + aes192_key_assist (&r1, &r2, &r3); + k[9] = r1; + + k[10] = r3; + r2 = _mm_aeskeygenassist_si128 (r3, 0x40); + aes192_key_assist (&r1, &r2, &r3); + k[10] = (__m128i) _mm_shuffle_pd ((__m128d) k[10], (__m128d) r1, 0); + k[11] = (__m128i) _mm_shuffle_pd ((__m128d) r1, (__m128d) r3, 1); + r2 = _mm_aeskeygenassist_si128 (r3, 0x80); + aes192_key_assist (&r1, &r2, &r3); + k[12] = r1; +} + +static_always_inline void +aes256_key_assist1 (__m128i * r1, __m128i * r2) +{ + __m128i r; + *r1 ^= r = _mm_slli_si128 (*r1, 0x4); + *r1 ^= r = _mm_slli_si128 (r, 0x4); + *r1 ^= _mm_slli_si128 (r, 0x4); + *r1 ^= *r2 = _mm_shuffle_epi32 (*r2, 0xff); +} + +static_always_inline void +aes256_key_assist2 (__m128i r1, __m128i * r3) +{ + __m128i r; + *r3 ^= r = _mm_slli_si128 (*r3, 0x4); + *r3 ^= r = _mm_slli_si128 (r, 0x4); + *r3 ^= _mm_slli_si128 (r, 0x4); + *r3 ^= _mm_shuffle_epi32 (_mm_aeskeygenassist_si128 (r1, 0x0), 0xaa); +} + +static_always_inline void +aes256_key_expand (__m128i * k, u8 * key) +{ + __m128i r1, r2, r3; + k[0] = r1 = _mm_loadu_si128 ((__m128i *) key); + k[1] = r3 = _mm_loadu_si128 ((__m128i *) (key + 16)); + r2 = _mm_aeskeygenassist_si128 (k[1], 0x01); + aes256_key_assist1 (&r1, &r2); + k[2] = r1; + aes256_key_assist2 (r1, &r3); + k[3] = r3; + r2 = _mm_aeskeygenassist_si128 (r3, 0x02); + aes256_key_assist1 (&r1, &r2); + k[4] = r1; + aes256_key_assist2 (r1, &r3); + k[5] = r3; + r2 = _mm_aeskeygenassist_si128 (r3, 0x04); + aes256_key_assist1 (&r1, &r2); + k[6] = r1; + aes256_key_assist2 (r1, &r3); + k[7] = r3; + r2 = _mm_aeskeygenassist_si128 (r3, 0x08); + aes256_key_assist1 (&r1, &r2); + k[8] = r1; + aes256_key_assist2 (r1, &r3); + k[9] = r3; + r2 = _mm_aeskeygenassist_si128 (r3, 0x10); + aes256_key_assist1 (&r1, &r2); + k[10] = r1; + aes256_key_assist2 (r1, &r3); + k[11] = r3; + r2 = _mm_aeskeygenassist_si128 (r3, 0x20); + aes256_key_assist1 (&r1, &r2); + k[12] = r1; + aes256_key_assist2 (r1, &r3); + k[13] = r3; + r2 = _mm_aeskeygenassist_si128 (r3, 0x40); + aes256_key_assist1 (&r1, &r2); + k[14] = r1; +} + +static_always_inline void +aes_key_expand (__m128i * k, u8 * key, aesni_key_size_t ks) +{ + switch (ks) + { + case AESNI_KEY_128: + aes128_key_expand (k, key); + break; + case AESNI_KEY_192: + aes192_key_expand (k, key); + break; + case AESNI_KEY_256: + aes256_key_expand (k, key); + break; + } +} + + +static_always_inline void +aes_key_enc_to_dec (__m128i * k, aesni_key_size_t rounds) +{ + __m128i r; + + r = k[rounds]; + k[rounds] = k[0]; + k[0] = r; + + for (int i = 1; i < (rounds / 2); i++) + { + r = k[rounds - i]; + k[rounds - i] = _mm_aesimc_si128 (k[i]); + k[i] = _mm_aesimc_si128 (r); + } + + k[rounds / 2] = _mm_aesimc_si128 (k[rounds / 2]); +} + +#endif /* __aesni_h__ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/src/plugins/crypto_ia32/crypto_ia32.h b/src/plugins/crypto_ia32/crypto_ia32.h new file mode 100644 index 00000000000..ccb26ab1a4d --- /dev/null +++ b/src/plugins/crypto_ia32/crypto_ia32.h @@ -0,0 +1,44 @@ +/* + *------------------------------------------------------------------ + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + *------------------------------------------------------------------ + */ + +#ifndef __crypto_ia32_h__ +#define __crypto_ia32_h__ + +typedef struct +{ + __m128i cbc_iv[4]; +} crypto_ia32_per_thread_data_t; + +typedef struct +{ + u32 crypto_engine_index; + crypto_ia32_per_thread_data_t *per_thread_data; +} crypto_ia32_main_t; + +extern crypto_ia32_main_t crypto_ia32_main; + +clib_error_t *crypto_ia32_aesni_cbc_init (vlib_main_t * vm); + +#endif /* __crypto_ia32_h__ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/src/plugins/crypto_ia32/main.c b/src/plugins/crypto_ia32/main.c new file mode 100644 index 00000000000..9b83f8913db --- /dev/null +++ b/src/plugins/crypto_ia32/main.c @@ -0,0 +1,70 @@ +/* + *------------------------------------------------------------------ + * Copyright (c) 2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + *------------------------------------------------------------------ + */ + +#include <vlib/vlib.h> +#include <vnet/plugin/plugin.h> +#include <vnet/crypto/crypto.h> +#include <crypto_ia32/crypto_ia32.h> + +crypto_ia32_main_t crypto_ia32_main; + +clib_error_t * +crypto_ia32_init (vlib_main_t * vm) +{ + crypto_ia32_main_t *cm = &crypto_ia32_main; + vlib_thread_main_t *tm = vlib_get_thread_main (); + clib_error_t *error; + + if ((error = vlib_call_init_function (vm, vnet_crypto_init))) + return error; + + vec_validate_aligned (cm->per_thread_data, tm->n_vlib_mains - 1, + CLIB_CACHE_LINE_BYTES); + + cm->crypto_engine_index = + vnet_crypto_register_engine (vm, "ia32", 100, + "Intel IA32 ISA Optimized Crypto"); + + if (clib_cpu_supports_x86_aes () && + (error = crypto_ia32_aesni_cbc_init (vm))) + goto error; + +error: + if (error) + vec_free (cm->per_thread_data); + + return error; +} + +VLIB_INIT_FUNCTION (crypto_ia32_init); + +#include <vpp/app/version.h> + +/* *INDENT-OFF* */ +VLIB_PLUGIN_REGISTER () = { + .version = VPP_BUILD_VER, + .description = "Intel AESNI Software Crypto Backend Plugin", +}; +/* *INDENT-ON* */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |