vpp - Vector Packet Processing

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author	Filip Tehlar <ftehlar@cisco.com>	2016-09-27 13:28:01 +0200
committer	Florin Coras <florin.coras@gmail.com>	2016-09-27 17:28:13 +0000
commit	3fa0af596056ae6e87692325c7ebe51636635313 (patch)
tree	90da789ea3c51d65fdab1213255e1bb43a6ea014 /vpp-api/python/vpp_papi/__init__.py
parent	719311ba824a90641c08c387cf9e7fa49676edc8 (diff)

VPP-448 Fix LISP APIs using binary data

* use zero length array in LISP API to avoid confusion * add missing LISP data structure definitions in API documentation * fix wrong memory allocation in VAT Change-Id: I9b5e656a071fc24cb698c164db953c09b66deeeb Signed-off-by: Filip Tehlar <ftehlar@cisco.com>

Diffstat (limited to 'vpp-api/python/vpp_papi/__init__.py')

0 files changed, 0 insertions, 0 deletions

/* *------------------------------------------------------------------ * 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_native/crypto_native.h> #include <vppinfra/crypto/aes_cbc.h> #if __GNUC__ > 4 && !__clang__ && CLIB_DEBUG == 0 #pragma GCC optimize ("O3") #endif #if defined(__VAES__) && defined(__AVX512F__) #define N 16 #define u8xN u8x64 #define u32xN u32x16 #define u32xN_min_scalar u32x16_min_scalar #define u32xN_is_all_zero u32x16_is_all_zero #define u32xN_splat u32x16_splat #elif defined(__VAES__) #define N 8 #define u8xN u8x32 #define u32xN u32x8 #define u32xN_min_scalar u32x8_min_scalar #define u32xN_is_all_zero u32x8_is_all_zero #define u32xN_splat u32x8_splat #else #define N 4 #define u8xN u8x16 #define u32xN u32x4 #define u32xN_min_scalar u32x4_min_scalar #define u32xN_is_all_zero u32x4_is_all_zero #define u32xN_splat u32x4_splat #endif static_always_inline u32 aes_ops_enc_aes_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops, aes_key_size_t ks) { crypto_native_main_t *cm = &crypto_native_main; int rounds = AES_KEY_ROUNDS (ks); u8 placeholder[8192]; u32 i, j, count, n_left = n_ops; u32xN placeholder_mask = { }; u32xN len = { }; vnet_crypto_key_index_t key_index[N]; u8 *src[N] = { }; u8 *dst[N] = { }; u8xN r[4] = {}; u8xN k[15][4] = {}; for (i = 0; i < N; i++) key_index[i] = ~0; more: for (i = 0; i < N; i++) if (len[i] == 0) { if (n_left == 0) { /* no more work to enqueue, so we are enqueueing placeholder buffer */ src[i] = dst[i] = placeholder; len[i] = sizeof (placeholder); placeholder_mask[i] = 0; } else { u8x16 t = aes_block_load (ops[0]->iv); ((u8x16 *) r)[i] = t; src[i] = ops[0]->src; dst[i] = ops[0]->dst; len[i] = ops[0]->len; placeholder_mask[i] = ~0; if (key_index[i] != ops[0]->key_index) { aes_cbc_key_data_t *kd; key_index[i] = ops[0]->key_index; kd = (aes_cbc_key_data_t *) cm->key_data[key_index[i]]; for (j = 0; j < rounds + 1; j++) ((u8x16 *) k[j])[i] = kd->encrypt_key[j]; } ops[0]->status = VNET_CRYPTO_OP_STATUS_COMPLETED; n_left--; ops++; } } count = u32xN_min_scalar (len); ASSERT (count % 16 == 0); for (i = 0; i < count; i += 16) { #if defined(__VAES__) && defined(__AVX512F__) r[0] = u8x64_xor3 (r[0], aes_block_load_x4 (src, i), k[0][0]); r[1] = u8x64_xor3 (r[1], aes_block_load_x4 (src + 4, i), k[0][1]); r[2] = u8x64_xor3 (r[2], aes_block_load_x4 (src + 8, i), k[0][2]); r[3] = u8x64_xor3 (r[3], aes_block_load_x4 (src + 12, i), k[0][3]); for (j = 1; j < rounds; j++) { r[0] = aes_enc_round_x4 (r[0], k[j][0]); r[1] = aes_enc_round_x4 (r[1], k[j][1]); r[2] = aes_enc_round_x4 (r[2], k[j][2]); r[3] = aes_enc_round_x4 (r[3], k[j][3]); } r[0] = aes_enc_last_round_x4 (r[0], k[j][0]); r[1] = aes_enc_last_round_x4 (r[1], k[j][1]); r[2] = aes_enc_last_round_x4 (r[2], k[j][2]); r[3] = aes_enc_last_round_x4 (r[3], k[j][3]); aes_block_store_x4 (dst, i, r[0]); aes_block_store_x4 (dst + 4, i, r[1]); aes_block_store_x4 (dst + 8, i, r[2]); aes_block_store_x4 (dst + 12, i, r[3]); #elif defined(__VAES__) r[0] = u8x32_xor3 (r[0], aes_block_load_x2 (src, i), k[0][0]); r[1] = u8x32_xor3 (r[1], aes_block_load_x2 (src + 2, i), k[0][1]); r[2] = u8x32_xor3 (r[2], aes_block_load_x2 (src + 4, i), k[0][2]); r[3] = u8x32_xor3 (r[3], aes_block_load_x2 (src + 6, i), k[0][3]); for (j = 1; j < rounds; j++) { r[0] = aes_enc_round_x2 (r[0], k[j][0]); r[1] = aes_enc_round_x2 (r[1], k[j][1]); r[2] = aes_enc_round_x2 (r[2], k[j][2]); r[3] = aes_enc_round_x2 (r[3], k[j][3]); } r[0] = aes_enc_last_round_x2 (r[0], k[j][0]); r[1] = aes_enc_last_round_x2 (r[1], k[j][1]); r[2] = aes_enc_last_round_x2 (r[2], k[j][2]); r[3] = aes_enc_last_round_x2 (r[3], k[j][3]); aes_block_store_x2 (dst, i, r[0]); aes_block_store_x2 (dst + 2, i, r[1]); aes_block_store_x2 (dst + 4, i, r[2]); aes_block_store_x2 (dst + 6, i, r[3]); #else #if __x86_64__ r[0] = u8x16_xor3 (r[0], aes_block_load (src[0] + i), k[0][0]); r[1] = u8x16_xor3 (r[1], aes_block_load (src[1] + i), k[0][1]); r[2] = u8x16_xor3 (r[2], aes_block_load (src[2] + i), k[0][2]); r[3] = u8x16_xor3 (r[3], aes_block_load (src[3] + i), k[0][3]); for (j = 1; j < rounds; j++) { r[0] = aes_enc_round (r[0], k[j][0]); r[1] = aes_enc_round (r[1], k[j][1]); r[2] = aes_enc_round (r[2], k[j][2]); r[3] = aes_enc_round (r[3], k[j][3]); } r[0] = aes_enc_last_round (r[0], k[j][0]); r[1] = aes_enc_last_round (r[1], k[j][1]); r[2] = aes_enc_last_round (r[2], k[j][2]); r[3] = aes_enc_last_round (r[3], k[j][3]); aes_block_store (dst[0] + i, r[0]); aes_block_store (dst[1] + i, r[1]); aes_block_store (dst[2] + i, r[2]); aes_block_store (dst[3] + i, r[3]); #else r[0] ^= aes_block_load (src[0] + i); r[1] ^= aes_block_load (src[1] + i); r[2] ^= aes_block_load (src[2] + i); r[3] ^= aes_block_load (src[3] + i); for (j = 0; j < rounds - 1; j++) { r[0] = vaesmcq_u8 (vaeseq_u8 (r[0], k[j][0])); r[1] = vaesmcq_u8 (vaeseq_u8 (r[1], k[j][1])); r[2] = vaesmcq_u8 (vaeseq_u8 (r[2], k[j][2])); r[3] = vaesmcq_u8 (vaeseq_u8 (r[3], k[j][3])); } r[0] = vaeseq_u8 (r[0], k[j][0]) ^ k[rounds][0]; r[1] = vaeseq_u8 (r[1], k[j][1]) ^ k[rounds][1]; r[2] = vaeseq_u8 (r[2], k[j][2]) ^ k[rounds][2]; r[3] = vaeseq_u8 (r[3], k[j][3]) ^ k[rounds][3]; aes_block_store (dst[0] + i, r[0]); aes_block_store (dst[1] + i, r[1]); aes_block_store (dst[2] + i, r[2]); aes_block_store (dst[3] + i, r[3]); #endif #endif } len -= u32xN_splat (count); for (i = 0; i < N; i++) { src[i] += count; dst[i] += count; } if (n_left > 0) goto more; if (!u32xN_is_all_zero (len & placeholder_mask)) goto more; return n_ops; } static_always_inline u32 aes_ops_dec_aes_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops, aes_key_size_t ks) { crypto_native_main_t *cm = &crypto_native_main; int rounds = AES_KEY_ROUNDS (ks); vnet_crypto_op_t *op = ops[0]; aes_cbc_key_data_t *kd = (aes_cbc_key_data_t *) cm->key_data[op->key_index]; u32 n_left = n_ops; ASSERT (n_ops >= 1); decrypt: #if defined(__VAES__) && defined(__AVX512F__) aes4_cbc_dec (kd->decrypt_key, (u8x64u *) op->src, (u8x64u *) op->dst, (u8x16u *) op->iv, op->len, rounds); #elif defined(__VAES__) aes2_cbc_dec (kd->decrypt_key, (u8x32u *) op->src, (u8x32u *) op->dst, (u8x16u *) op->iv, op->len, rounds); #else aes_cbc_dec (kd->decrypt_key, (u8x16u *) op->src, (u8x16u *) op->dst, (u8x16u *) op->iv, op->len, rounds); #endif op->status = VNET_CRYPTO_OP_STATUS_COMPLETED; if (--n_left) { op += 1; kd = (aes_cbc_key_data_t *) cm->key_data[op->key_index]; goto decrypt; } return n_ops; } #define foreach_aes_cbc_handler_type _(128) _(192) _(256) #define _(x) \ static u32 aes_ops_dec_aes_cbc_##x \ (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops) \ { return aes_ops_dec_aes_cbc (vm, ops, n_ops, AES_KEY_##x); } \ static u32 aes_ops_enc_aes_cbc_##x \ (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops) \ { return aes_ops_enc_aes_cbc (vm, ops, n_ops, AES_KEY_##x); } \ foreach_aes_cbc_handler_type; #undef _ static void * aes_cbc_key_exp_128 (vnet_crypto_key_t *key) { aes_cbc_key_data_t *kd; kd = clib_mem_alloc_aligned (sizeof (*kd), CLIB_CACHE_LINE_BYTES); clib_aes128_cbc_key_expand (kd, key->data); return kd; } static void * aes_cbc_key_exp_192 (vnet_crypto_key_t *key) { aes_cbc_key_data_t *kd; kd = clib_mem_alloc_aligned (sizeof (*kd), CLIB_CACHE_LINE_BYTES); clib_aes192_cbc_key_expand (kd, key->data); return kd; } static void * aes_cbc_key_exp_256 (vnet_crypto_key_t *key) { aes_cbc_key_data_t *kd; kd = clib_mem_alloc_aligned (sizeof (*kd), CLIB_CACHE_LINE_BYTES); clib_aes256_cbc_key_expand (kd, key->data); return kd; } #include <fcntl.h> clib_error_t * #if defined(__VAES__) && defined(__AVX512F__) crypto_native_aes_cbc_init_icl (vlib_main_t *vm) #elif defined(__VAES__) crypto_native_aes_cbc_init_adl (vlib_main_t *vm) #elif __AVX512F__ crypto_native_aes_cbc_init_skx (vlib_main_t * vm) #elif __aarch64__ crypto_native_aes_cbc_init_neon (vlib_main_t * vm) #elif __AVX2__ crypto_native_aes_cbc_init_hsw (vlib_main_t * vm) #else crypto_native_aes_cbc_init_slm (vlib_main_t * vm) #endif { crypto_native_main_t *cm = &crypto_native_main; #define _(x) \ vnet_crypto_register_ops_handler (vm, cm->crypto_engine_index, \ VNET_CRYPTO_OP_AES_##x##_CBC_ENC, \ aes_ops_enc_aes_cbc_##x); \ vnet_crypto_register_ops_handler (vm, cm->crypto_engine_index, \ VNET_CRYPTO_OP_AES_##x##_CBC_DEC, \ aes_ops_dec_aes_cbc_##x); \ cm->key_fn[VNET_CRYPTO_ALG_AES_##x##_CBC] = aes_cbc_key_exp_##x; foreach_aes_cbc_handler_type; #undef _ return 0; } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */


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