#endif
}
+#if defined (__VAES__)
+static_always_inline u8x64
+aes_enc_round_x4 (u8x64 a, u8x64 k)
+{
+ return (u8x64) _mm512_aesenc_epi128 ((__m512i) a, (__m512i) k);
+}
+
+static_always_inline u8x64
+aes_enc_last_round_x4 (u8x64 a, u8x64 k)
+{
+ return (u8x64) _mm512_aesenclast_epi128 ((__m512i) a, (__m512i) k);
+}
+
+static_always_inline u8x64
+aes_dec_round_x4 (u8x64 a, u8x64 k)
+{
+ return (u8x64) _mm512_aesdec_epi128 ((__m512i) a, (__m512i) k);
+}
+
+static_always_inline u8x64
+aes_dec_last_round_x4 (u8x64 a, u8x64 k)
+{
+ return (u8x64) _mm512_aesdeclast_epi128 ((__m512i) a, (__m512i) k);
+}
+#endif
+
static_always_inline u8x16
aes_enc_last_round (u8x16 a, u8x16 k)
{
{
u8x16 encrypt_key[15];
#if __VAES__
- __m512i decrypt_key[15];
+ u8x64 decrypt_key[15];
#else
u8x16 decrypt_key[15];
#endif
} aes_cbc_key_data_t;
-#include <crypto_native/aes_cbc_aesni.h>
-#include <crypto_native/aes_cbc_neon.h>
+
+static_always_inline void __clib_unused
+aes_cbc_dec (u8x16 * k, u8x16u * src, u8x16u * dst, u8x16u * iv, int count,
+ int rounds)
+{
+ u8x16 r[4], c[4], f;
+
+ f = iv[0];
+ while (count >= 64)
+ {
+ clib_prefetch_load (src + 8);
+ clib_prefetch_load (dst + 8);
+
+ c[0] = r[0] = src[0];
+ c[1] = r[1] = src[1];
+ c[2] = r[2] = src[2];
+ c[3] = r[3] = src[3];
+
+#if __x86_64__
+ r[0] ^= k[0];
+ r[1] ^= k[0];
+ r[2] ^= k[0];
+ r[3] ^= k[0];
+
+ for (int i = 1; i < rounds; i++)
+ {
+ r[0] = aes_dec_round (r[0], k[i]);
+ r[1] = aes_dec_round (r[1], k[i]);
+ r[2] = aes_dec_round (r[2], k[i]);
+ r[3] = aes_dec_round (r[3], k[i]);
+ }
+
+ r[0] = aes_dec_last_round (r[0], k[rounds]);
+ r[1] = aes_dec_last_round (r[1], k[rounds]);
+ r[2] = aes_dec_last_round (r[2], k[rounds]);
+ r[3] = aes_dec_last_round (r[3], k[rounds]);
+#else
+ for (int i = 0; i < rounds - 1; i++)
+ {
+ r[0] = vaesimcq_u8 (vaesdq_u8 (r[0], k[i]));
+ r[1] = vaesimcq_u8 (vaesdq_u8 (r[1], k[i]));
+ r[2] = vaesimcq_u8 (vaesdq_u8 (r[2], k[i]));
+ r[3] = vaesimcq_u8 (vaesdq_u8 (r[3], k[i]));
+ }
+ r[0] = vaesdq_u8 (r[0], k[rounds - 1]) ^ k[rounds];
+ r[1] = vaesdq_u8 (r[1], k[rounds - 1]) ^ k[rounds];
+ r[2] = vaesdq_u8 (r[2], k[rounds - 1]) ^ k[rounds];
+ r[3] = vaesdq_u8 (r[3], k[rounds - 1]) ^ k[rounds];
+#endif
+ dst[0] = r[0] ^ f;
+ dst[1] = r[1] ^ c[0];
+ dst[2] = r[2] ^ c[1];
+ dst[3] = r[3] ^ c[2];
+ f = c[3];
+
+ count -= 64;
+ src += 4;
+ dst += 4;
+ }
+
+ while (count > 0)
+ {
+ c[0] = r[0] = src[0];
+#if __x86_64__
+ r[0] ^= k[0];
+ for (int i = 1; i < rounds; i++)
+ r[0] = aes_dec_round (r[0], k[i]);
+ r[0] = aes_dec_last_round (r[0], k[rounds]);
+#else
+ c[0] = r[0] = src[0];
+ for (int i = 0; i < rounds - 1; i++)
+ r[0] = vaesimcq_u8 (vaesdq_u8 (r[0], k[i]));
+ r[0] = vaesdq_u8 (r[0], k[rounds - 1]) ^ k[rounds];
+#endif
+ dst[0] = r[0] ^ f;
+ f = c[0];
+
+ count -= 16;
+ src += 1;
+ dst += 1;
+ }
+}
+
+#if __x86_64__
+#ifdef __VAES__
+
+static_always_inline u8x64
+aes_block_load_x4 (u8 * src[], int i)
+{
+ u8x64 r = { };
+ r = u8x64_insert_u8x16 (r, aes_block_load (src[0] + i), 0);
+ r = u8x64_insert_u8x16 (r, aes_block_load (src[1] + i), 1);
+ r = u8x64_insert_u8x16 (r, aes_block_load (src[2] + i), 2);
+ r = u8x64_insert_u8x16 (r, aes_block_load (src[3] + i), 3);
+ return r;
+}
+
+static_always_inline void
+aes_block_store_x4 (u8 * dst[], int i, u8x64 r)
+{
+ aes_block_store (dst[0] + i, u8x64_extract_u8x16 (r, 0));
+ aes_block_store (dst[1] + i, u8x64_extract_u8x16 (r, 1));
+ aes_block_store (dst[2] + i, u8x64_extract_u8x16 (r, 2));
+ aes_block_store (dst[3] + i, u8x64_extract_u8x16 (r, 3));
+}
+
+static_always_inline u8x64
+aes_cbc_dec_permute (u8x64 a, u8x64 b)
+{
+ __m512i perm = { 6, 7, 8, 9, 10, 11, 12, 13 };
+ return (u8x64) _mm512_permutex2var_epi64 ((__m512i) a, perm, (__m512i) b);
+}
+
+static_always_inline void
+vaes_cbc_dec (u8x64 * k, u8x64u * src, u8x64u * dst, u8x16 * iv, int count,
+ aes_key_size_t rounds)
+{
+ u8x64 f, r[4], c[4] = { };
+ __mmask8 m;
+ int i, n_blocks = count >> 4;
+
+ f = (u8x64) _mm512_mask_loadu_epi64 (_mm512_setzero_si512 (), 0xc0,
+ (__m512i *) (iv - 3));
+
+ while (n_blocks >= 16)
+ {
+ c[0] = src[0];
+ c[1] = src[1];
+ c[2] = src[2];
+ c[3] = src[3];
+
+ r[0] = c[0] ^ k[0];
+ r[1] = c[1] ^ k[0];
+ r[2] = c[2] ^ k[0];
+ r[3] = c[3] ^ k[0];
+
+ for (i = 1; i < rounds; i++)
+ {
+ r[0] = aes_dec_round_x4 (r[0], k[i]);
+ r[1] = aes_dec_round_x4 (r[1], k[i]);
+ r[2] = aes_dec_round_x4 (r[2], k[i]);
+ r[3] = aes_dec_round_x4 (r[3], k[i]);
+ }
+
+ r[0] = aes_dec_last_round_x4 (r[0], k[i]);
+ r[1] = aes_dec_last_round_x4 (r[1], k[i]);
+ r[2] = aes_dec_last_round_x4 (r[2], k[i]);
+ r[3] = aes_dec_last_round_x4 (r[3], k[i]);
+
+ dst[0] = r[0] ^= aes_cbc_dec_permute (f, c[0]);
+ dst[1] = r[1] ^= aes_cbc_dec_permute (c[0], c[1]);
+ dst[2] = r[2] ^= aes_cbc_dec_permute (c[1], c[2]);
+ dst[4] = r[3] ^= aes_cbc_dec_permute (c[2], c[3]);
+ f = c[3];
+
+ n_blocks -= 16;
+ src += 4;
+ dst += 4;
+ }
+
+ while (n_blocks > 0)
+ {
+ m = (1 << (n_blocks * 2)) - 1;
+ c[0] = (u8x64) _mm512_mask_loadu_epi64 ((__m512i) c[0], m,
+ (__m512i *) src);
+ f = aes_cbc_dec_permute (f, c[0]);
+ r[0] = c[0] ^ k[0];
+ for (i = 1; i < rounds; i++)
+ r[0] = aes_dec_round_x4 (r[0], k[i]);
+ r[0] = aes_dec_last_round_x4 (r[0], k[i]);
+ _mm512_mask_storeu_epi64 ((__m512i *) dst, m, (__m512i) (r[0] ^ f));
+ f = c[0];
+ n_blocks -= 4;
+ src += 1;
+ dst += 1;
+ }
+}
+#endif
+#endif
+
+#ifdef __VAES__
+#define N 16
+#define u32xN u32x16
+#define u32xN_min_scalar u32x16_min_scalar
+#define u32xN_is_all_zero u32x16_is_all_zero
+#define u32xN_splat u32x16_splat
+#else
+#define N 4
+#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;
+ crypto_native_per_thread_data_t *ptd =
+ vec_elt_at_index (cm->per_thread_data, vm->thread_index);
+ int rounds = AES_KEY_ROUNDS (ks);
+ u8 dummy[8192];
+ u32 i, j, count, n_left = n_ops;
+ u32xN dummy_mask = { };
+ u32xN len = { };
+ vnet_crypto_key_index_t key_index[N];
+ u8 *src[N] = { };
+ u8 *dst[N] = { };
+#if __VAES__
+ u8x64 r[N / 4] = { };
+ u8x64 k[15][N / 4] = { };
+ u8x16 *kq, *rq = (u8x16 *) r;
+#else
+ u8x16 r[N] = { };
+ u8x16 k[15][N] = { };
+#endif
+
+ 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 dummy buffer */
+ src[i] = dst[i] = dummy;
+ len[i] = sizeof (dummy);
+ dummy_mask[i] = 0;
+ }
+ else
+ {
+ u8x16 t;
+ if (ops[0]->flags & VNET_CRYPTO_OP_FLAG_INIT_IV)
+ {
+ t = ptd->cbc_iv[i];
+ *(u8x16u *) ops[0]->iv = t;
+ ptd->cbc_iv[i] = aes_enc_round (t, t);
+ }
+ else
+ t = aes_block_load (ops[0]->iv);
+#if __VAES__
+ rq[i] = t;
+#else
+ r[i] = t;
+#endif
+
+ src[i] = ops[0]->src;
+ dst[i] = ops[0]->dst;
+ len[i] = ops[0]->len;
+ dummy_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++)
+ {
+#if __VAES__
+ kq = (u8x16 *) k[j];
+ kq[i] = kd->encrypt_key[j];
+#else
+ k[j][i] = kd->encrypt_key[j];
+#endif
+ }
+ }
+ 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)
+ {
+#ifdef __VAES__
+ 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, i), k[0][1]);
+ r[2] = u8x64_xor3 (r[2], aes_block_load_x4 (src, i), k[0][2]);
+ r[3] = u8x64_xor3 (r[3], aes_block_load_x4 (src, 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]);
+#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 & dummy_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:
+#ifdef __VAES__
+ vaes_cbc_dec (kd->decrypt_key, (u8x64u *) op->src, (u8x64u *) 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;
+}
static_always_inline void *
-aesni_cbc_key_exp (vnet_crypto_key_t * key, aes_key_size_t ks)
+aes_cbc_key_exp (vnet_crypto_key_t * key, aes_key_size_t ks)
{
u8x16 e[15], d[15];
aes_cbc_key_data_t *kd;
for (int i = 0; i < AES_KEY_ROUNDS (ks) + 1; i++)
{
#if __VAES__
- kd->decrypt_key[i] = _mm512_broadcast_i64x2 ((__m128i) d[i]);
+ kd->decrypt_key[i] = (u8x64) _mm512_broadcast_i64x2 ((__m128i) d[i]);
#else
kd->decrypt_key[i] = d[i];
#endif
return kd;
}
-#define foreach_aesni_cbc_handler_type _(128) _(192) _(256)
+#define foreach_aes_cbc_handler_type _(128) _(192) _(256)
#define _(x) \
-static u32 aesni_ops_dec_aes_cbc_##x \
+static u32 aes_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, AES_KEY_##x); } \
-static u32 aesni_ops_enc_aes_cbc_##x \
+{ 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 aesni_ops_enc_aes_cbc (vm, ops, n_ops, AES_KEY_##x); } \
-static void * aesni_cbc_key_exp_##x (vnet_crypto_key_t *key) \
-{ return aesni_cbc_key_exp (key, AES_KEY_##x); }
+{ return aes_ops_enc_aes_cbc (vm, ops, n_ops, AES_KEY_##x); } \
+static void * aes_cbc_key_exp_##x (vnet_crypto_key_t *key) \
+{ return aes_cbc_key_exp (key, AES_KEY_##x); }
-foreach_aesni_cbc_handler_type;
+foreach_aes_cbc_handler_type;
#undef _
#include <fcntl.h>
#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); \
+ aes_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); \
- cm->key_fn[VNET_CRYPTO_ALG_AES_##x##_CBC] = aesni_cbc_key_exp_##x;
- foreach_aesni_cbc_handler_type;
+ 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 _
error:
+++ /dev/null
-/*
- *------------------------------------------------------------------
- * Copyright (c) 2020 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.
- *------------------------------------------------------------------
- */
-
-#ifdef __x86_64__
-
-static_always_inline u8x16 __clib_unused
-xor3 (u8x16 a, u8x16 b, u8x16 c)
-{
-#if __AVX512F__
- return (u8x16) _mm_ternarylogic_epi32 ((__m128i) a, (__m128i) b,
- (__m128i) c, 0x96);
-#endif
- return a ^ b ^ c;
-}
-
-#if __VAES__
-static_always_inline __m512i
-xor3_x4 (__m512i a, __m512i b, __m512i c)
-{
- return _mm512_ternarylogic_epi32 (a, b, c, 0x96);
-}
-
-static_always_inline __m512i
-aes_block_load_x4 (u8 * src[], int i)
-{
- __m512i r = { };
- r = _mm512_inserti64x2 (r, (__m128i) aes_block_load (src[0] + i), 0);
- r = _mm512_inserti64x2 (r, (__m128i) aes_block_load (src[1] + i), 1);
- r = _mm512_inserti64x2 (r, (__m128i) aes_block_load (src[2] + i), 2);
- r = _mm512_inserti64x2 (r, (__m128i) aes_block_load (src[3] + i), 3);
- return r;
-}
-
-static_always_inline void
-aes_block_store_x4 (u8 * dst[], int i, __m512i r)
-{
- aes_block_store (dst[0] + i, (u8x16) _mm512_extracti64x2_epi64 (r, 0));
- aes_block_store (dst[1] + i, (u8x16) _mm512_extracti64x2_epi64 (r, 1));
- aes_block_store (dst[2] + i, (u8x16) _mm512_extracti64x2_epi64 (r, 2));
- aes_block_store (dst[3] + i, (u8x16) _mm512_extracti64x2_epi64 (r, 3));
-}
-#endif
-
-static_always_inline void __clib_unused
-aes_cbc_dec (u8x16 * k, u8 * src, u8 * dst, u8 * iv, int count,
- aes_key_size_t rounds)
-{
- u8x16 r0, r1, r2, r3, c0, c1, c2, c3, f;
- int i;
-
- f = aes_block_load (iv);
-
- while (count >= 64)
- {
- _mm_prefetch (src + 128, _MM_HINT_T0);
- _mm_prefetch (dst + 128, _MM_HINT_T0);
-
- c0 = aes_block_load (src);
- c1 = aes_block_load (src + 16);
- c2 = aes_block_load (src + 32);
- c3 = aes_block_load (src + 48);
-
- r0 = c0 ^ k[0];
- r1 = c1 ^ k[0];
- r2 = c2 ^ k[0];
- r3 = c3 ^ k[0];
-
- for (i = 1; i < rounds; i++)
- {
- r0 = aes_dec_round (r0, k[i]);
- r1 = aes_dec_round (r1, k[i]);
- r2 = aes_dec_round (r2, k[i]);
- r3 = aes_dec_round (r3, k[i]);
- }
-
- r0 = aes_dec_last_round (r0, k[i]);
- r1 = aes_dec_last_round (r1, k[i]);
- r2 = aes_dec_last_round (r2, k[i]);
- r3 = aes_dec_last_round (r3, k[i]);
-
- aes_block_store (dst, r0 ^ f);
- aes_block_store (dst + 16, r1 ^ c0);
- aes_block_store (dst + 32, r2 ^ c1);
- aes_block_store (dst + 48, r3 ^ c2);
-
- f = c3;
-
- count -= 64;
- src += 64;
- dst += 64;
- }
-
- while (count > 0)
- {
- c0 = aes_block_load (src);
- r0 = c0 ^ k[0];
- for (i = 1; i < rounds; i++)
- r0 = aes_dec_round (r0, k[i]);
- r0 = aes_dec_last_round (r0, k[i]);
- aes_block_store (dst, r0 ^ f);
- f = c0;
- count -= 16;
- src += 16;
- dst += 16;
- }
-}
-
-#ifdef __VAES__
-static_always_inline void
-vaes_cbc_dec (__m512i * k, u8 * src, u8 * dst, u8 * iv, int count,
- aes_key_size_t rounds)
-{
- __m512i permute = { 6, 7, 8, 9, 10, 11, 12, 13 };
- __m512i r0, r1, r2, r3, c0, c1, c2, c3, f = { };
- __mmask8 m;
- int i, n_blocks = count >> 4;
-
- f = _mm512_mask_loadu_epi64 (f, 0xc0, (__m512i *) (iv - 48));
-
- while (n_blocks >= 16)
- {
- c0 = _mm512_loadu_si512 ((__m512i *) src);
- c1 = _mm512_loadu_si512 ((__m512i *) (src + 64));
- c2 = _mm512_loadu_si512 ((__m512i *) (src + 128));
- c3 = _mm512_loadu_si512 ((__m512i *) (src + 192));
-
- r0 = c0 ^ k[0];
- r1 = c1 ^ k[0];
- r2 = c2 ^ k[0];
- r3 = c3 ^ k[0];
-
- for (i = 1; i < rounds; i++)
- {
- r0 = _mm512_aesdec_epi128 (r0, k[i]);
- r1 = _mm512_aesdec_epi128 (r1, k[i]);
- r2 = _mm512_aesdec_epi128 (r2, k[i]);
- r3 = _mm512_aesdec_epi128 (r3, k[i]);
- }
-
- r0 = _mm512_aesdeclast_epi128 (r0, k[i]);
- r1 = _mm512_aesdeclast_epi128 (r1, k[i]);
- r2 = _mm512_aesdeclast_epi128 (r2, k[i]);
- r3 = _mm512_aesdeclast_epi128 (r3, k[i]);
-
- r0 ^= _mm512_permutex2var_epi64 (f, permute, c0);
- _mm512_storeu_si512 ((__m512i *) dst, r0);
-
- r1 ^= _mm512_permutex2var_epi64 (c0, permute, c1);
- _mm512_storeu_si512 ((__m512i *) (dst + 64), r1);
-
- r2 ^= _mm512_permutex2var_epi64 (c1, permute, c2);
- _mm512_storeu_si512 ((__m512i *) (dst + 128), r2);
-
- r3 ^= _mm512_permutex2var_epi64 (c2, permute, c3);
- _mm512_storeu_si512 ((__m512i *) (dst + 192), r3);
- f = c3;
-
- n_blocks -= 16;
- src += 256;
- dst += 256;
- }
-
- while (n_blocks > 0)
- {
- m = (1 << (n_blocks * 2)) - 1;
- c0 = _mm512_mask_loadu_epi64 (c0, m, (__m512i *) src);
- f = _mm512_permutex2var_epi64 (f, permute, c0);
- r0 = c0 ^ k[0];
- for (i = 1; i < rounds; i++)
- r0 = _mm512_aesdec_epi128 (r0, k[i]);
- r0 = _mm512_aesdeclast_epi128 (r0, k[i]);
- _mm512_mask_storeu_epi64 ((__m512i *) dst, m, r0 ^ f);
- f = c0;
- n_blocks -= 4;
- src += 64;
- dst += 64;
- }
-}
-#endif
-
-#ifdef __VAES__
-#define N 16
-#define u32xN u32x16
-#define u32xN_min_scalar u32x16_min_scalar
-#define u32xN_is_all_zero u32x16_is_all_zero
-#else
-#define N 4
-#define u32xN u32x4
-#define u32xN_min_scalar u32x4_min_scalar
-#define u32xN_is_all_zero u32x4_is_all_zero
-#endif
-
-static_always_inline u32
-aesni_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;
- crypto_native_per_thread_data_t *ptd =
- vec_elt_at_index (cm->per_thread_data, vm->thread_index);
- int rounds = AES_KEY_ROUNDS (ks);
- u8 dummy[8192];
- u32 i, j, count, n_left = n_ops;
- u32xN dummy_mask = { };
- u32xN len = { };
- vnet_crypto_key_index_t key_index[N];
- u8 *src[N] = { };
- u8 *dst[N] = { };
- /* *INDENT-OFF* */
- union
- {
- u8x16 x1[N];
- __m512i x4[N / 4];
- } r = { }, k[15] = { };
- /* *INDENT-ON* */
-
- 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 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.x1[i] = ptd->cbc_iv[i];
- aes_block_store (ops[0]->iv, r.x1[i]);
- ptd->cbc_iv[i] = aes_enc_round (r.x1[i], r.x1[i]);
- }
- else
- r.x1[i] = aes_block_load (ops[0]->iv);
-
- src[i] = ops[0]->src;
- dst[i] = ops[0]->dst;
- len[i] = ops[0]->len;
- dummy_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++)
- k[j].x1[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)
- {
-#ifdef __VAES__
- r.x4[0] = xor3_x4 (r.x4[0], aes_block_load_x4 (src, i), k[0].x4[0]);
- r.x4[1] = xor3_x4 (r.x4[1], aes_block_load_x4 (src, i), k[0].x4[1]);
- r.x4[2] = xor3_x4 (r.x4[2], aes_block_load_x4 (src, i), k[0].x4[2]);
- r.x4[3] = xor3_x4 (r.x4[3], aes_block_load_x4 (src, i), k[0].x4[3]);
-
- for (j = 1; j < rounds; j++)
- {
- r.x4[0] = _mm512_aesenc_epi128 (r.x4[0], k[j].x4[0]);
- r.x4[1] = _mm512_aesenc_epi128 (r.x4[1], k[j].x4[1]);
- r.x4[2] = _mm512_aesenc_epi128 (r.x4[2], k[j].x4[2]);
- r.x4[3] = _mm512_aesenc_epi128 (r.x4[3], k[j].x4[3]);
- }
- r.x4[0] = _mm512_aesenclast_epi128 (r.x4[0], k[j].x4[0]);
- r.x4[1] = _mm512_aesenclast_epi128 (r.x4[1], k[j].x4[1]);
- r.x4[2] = _mm512_aesenclast_epi128 (r.x4[2], k[j].x4[2]);
- r.x4[3] = _mm512_aesenclast_epi128 (r.x4[3], k[j].x4[3]);
-
- aes_block_store_x4 (dst, i, r.x4[0]);
- aes_block_store_x4 (dst + 4, i, r.x4[1]);
- aes_block_store_x4 (dst + 8, i, r.x4[2]);
- aes_block_store_x4 (dst + 12, i, r.x4[3]);
-#else
- r.x1[0] = xor3 (r.x1[0], aes_block_load (src[0] + i), k[0].x1[0]);
- r.x1[1] = xor3 (r.x1[1], aes_block_load (src[1] + i), k[0].x1[1]);
- r.x1[2] = xor3 (r.x1[2], aes_block_load (src[2] + i), k[0].x1[2]);
- r.x1[3] = xor3 (r.x1[3], aes_block_load (src[3] + i), k[0].x1[3]);
-
- for (j = 1; j < rounds; j++)
- {
- r.x1[0] = aes_enc_round (r.x1[0], k[j].x1[0]);
- r.x1[1] = aes_enc_round (r.x1[1], k[j].x1[1]);
- r.x1[2] = aes_enc_round (r.x1[2], k[j].x1[2]);
- r.x1[3] = aes_enc_round (r.x1[3], k[j].x1[3]);
- }
-
- r.x1[0] = aes_enc_last_round (r.x1[0], k[j].x1[0]);
- r.x1[1] = aes_enc_last_round (r.x1[1], k[j].x1[1]);
- r.x1[2] = aes_enc_last_round (r.x1[2], k[j].x1[2]);
- r.x1[3] = aes_enc_last_round (r.x1[3], k[j].x1[3]);
-
- aes_block_store (dst[0] + i, r.x1[0]);
- aes_block_store (dst[1] + i, r.x1[1]);
- aes_block_store (dst[2] + i, r.x1[2]);
- aes_block_store (dst[3] + i, r.x1[3]);
-#endif
- }
-
- for (i = 0; i < N; i++)
- {
- src[i] += count;
- dst[i] += count;
- len[i] -= count;
- }
-
- if (n_left > 0)
- goto more;
-
- if (!u32xN_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, 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:
-#ifdef __VAES__
- vaes_cbc_dec (kd->decrypt_key, op->src, op->dst, op->iv, op->len, rounds);
-#else
- aes_cbc_dec (kd->decrypt_key, op->src, op->dst, 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;
-}
-
-#endif
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
+++ /dev/null
-/*
- *------------------------------------------------------------------
- * Copyright (c) 2020 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.
- *------------------------------------------------------------------
- */
-
-#ifdef __aarch64__
-
-static_always_inline void
-aes_cbc_dec (u8x16 * k, u8 * src, u8 * dst, u8 * iv, int count, int rounds)
-{
- u8x16 r0, r1, r2, r3, c0, c1, c2, c3, f;
-
- f = vld1q_u8 (iv);
-
- while (count >= 64)
- {
- c0 = r0 = vld1q_u8 (src);
- c1 = r1 = vld1q_u8 (src + 16);
- c2 = r2 = vld1q_u8 (src + 32);
- c3 = r3 = vld1q_u8 (src + 48);
- for (int i = 0; i < rounds - 1; i++)
- {
- r0 = vaesimcq_u8 (vaesdq_u8 (r0, k[i]));
- r1 = vaesimcq_u8 (vaesdq_u8 (r1, k[i]));
- r2 = vaesimcq_u8 (vaesdq_u8 (r2, k[i]));
- r3 = vaesimcq_u8 (vaesdq_u8 (r3, k[i]));
- }
- r0 = vaesdq_u8 (r0, k[rounds - 1]) ^ k[rounds];
- r1 = vaesdq_u8 (r1, k[rounds - 1]) ^ k[rounds];
- r2 = vaesdq_u8 (r2, k[rounds - 1]) ^ k[rounds];
- r3 = vaesdq_u8 (r3, k[rounds - 1]) ^ k[rounds];
- vst1q_u8 (dst, r0 ^ f);
- vst1q_u8 (dst + 16, r1 ^ c0);
- vst1q_u8 (dst + 32, r2 ^ c1);
- vst1q_u8 (dst + 48, r3 ^ c2);
- f = c3;
-
- src += 64;
- dst += 64;
- count -= 64;
- }
-
- while (count >= 16)
- {
- c0 = r0 = vld1q_u8 (src);
- for (int i = 0; i < rounds - 1; i++)
- r0 = vaesimcq_u8 (vaesdq_u8 (r0, k[i]));
- r0 = vaesdq_u8 (r0, k[rounds - 1]) ^ k[rounds];
- vst1q_u8 (dst, r0 ^ f);
- f = c0;
-
- src += 16;
- dst += 16;
- count -= 16;
- }
-}
-
-static_always_inline u32
-aesni_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;
- crypto_native_per_thread_data_t *ptd =
- vec_elt_at_index (cm->per_thread_data, vm->thread_index);
- int rounds = AES_KEY_ROUNDS (ks);
- u8 dummy[8192];
- u32 i, j, count, n_left = n_ops;
- u32x4 dummy_mask = { };
- u32x4 len = { };
- vnet_crypto_key_index_t key_index[4];
- u8 *src[4] = { };
- u8 *dst[4] = { };
- u8x16 r[4] = { };
- u8x16 k[15][4] = { };
-
- for (i = 0; i < 4; i++)
- key_index[i] = ~0;
-
-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];
- vst1q_u8 (ops[0]->iv, r[i]);
- ptd->cbc_iv[i] = vaeseq_u8 (r[i], r[i]);
- }
- else
- r[i] = vld1q_u8 (ops[0]->iv);
-
- src[i] = ops[0]->src;
- dst[i] = ops[0]->dst;
- len[i] = ops[0]->len;
- dummy_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++)
- k[j][i] = kd->encrypt_key[j];
- }
- 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] ^= vld1q_u8 (src[0] + i);
- r[1] ^= vld1q_u8 (src[1] + i);
- r[2] ^= vld1q_u8 (src[2] + i);
- r[3] ^= vld1q_u8 (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];
- vst1q_u8 (dst[0] + i, r[0]);
- vst1q_u8 (dst[1] + i, r[1]);
- vst1q_u8 (dst[2] + i, r[2]);
- vst1q_u8 (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, 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:
- aes_cbc_dec (kd->decrypt_key, op->src, op->dst, op->iv, op->len, rounds);
- 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;
-}
-
-#endif
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
#define u32x16_ternary_logic(a, b, c, d) \
(u32x16) _mm512_ternarylogic_epi32 ((__m512i) a, (__m512i) b, (__m512i) c, d)
+#define u8x64_insert_u8x16(a, b, n) \
+ (u8x64) _mm512_inserti64x2 ((__m512i) (a), (__m128i) (b), n)
+
+#define u8x64_extract_u8x16(a, n) \
+ (u8x16) _mm512_extracti64x2_epi64 ((__m512i) (a), n)
+
static_always_inline u8x64
u8x64_xor3 (u8x64 a, u8x64 b, u8x64 c)
{
Code Review / vpp.git / commitdiff