# 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()
+if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
+ list(APPEND VARIANTS "sse42\;-march=silvermont")
+ list(APPEND VARIANTS "avx2\;-march=core-avx2")
+ if(compiler_flag_march_skylake_avx512)
+ list(APPEND VARIANTS "avx512\;-march=skylake-avx512")
+ endif()
+ if(compiler_flag_march_icelake_client)
+ list(APPEND VARIANTS "vaesni\;-march=icelake-client")
+ endif()
+ set (COMPILE_FILES aes_cbc.c aes_gcm.c)
+ set (COMPILE_OPTS -Wall -fno-common -maes)
endif()
-add_vpp_plugin(crypto_native SOURCES main.c)
-
-list(APPEND VARIANTS "sse42\;-march=silvermont")
-list(APPEND VARIANTS "avx2\;-march=core-avx2")
-if(compiler_flag_march_skylake_avx512)
- list(APPEND VARIANTS "avx512\;-march=skylake-avx512")
+if(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
+ list(APPEND VARIANTS "armv8\;-march=native")
+ set (COMPILE_FILES aes_cbc.c)
+ set (COMPILE_OPTS -Wall -fno-common)
endif()
-if(compiler_flag_march_icelake_client)
- list(APPEND VARIANTS "vaesni\;-march=icelake-client")
+
+if (NOT VARIANTS)
+ return()
endif()
+add_vpp_plugin(crypto_native SOURCES main.c)
+
foreach(VARIANT ${VARIANTS})
list(GET VARIANT 0 v)
list(GET VARIANT 1 f)
set(l crypto_native_${v})
- add_library(${l} OBJECT aes_cbc.c aes_gcm.c)
+ add_library(${l} OBJECT ${COMPILE_FILES})
set_target_properties(${l} PROPERTIES POSITION_INDEPENDENT_CODE ON)
- target_compile_options(${l} PUBLIC ${f} -Wall -fno-common -maes)
+ target_compile_options(${l} PUBLIC ${f} ${COMPILE_OPTS})
target_sources(crypto_native_plugin PRIVATE $<TARGET_OBJECTS:${l}>)
endforeach()
/*
*------------------------------------------------------------------
- * Copyright (c) 2019 Cisco and/or its affiliates.
+ * 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:
#define AES_KEY_ROUNDS(x) (10 + x * 2)
#define AES_KEY_BYTES(x) (16 + x * 8)
+#ifdef __x86_64__
+
static_always_inline u8x16
aes_block_load (u8 * p)
{
aes256_key_assist (k, 12, _mm_aeskeygenassist_si128 (k[11], 0x20));
aes256_key_assist (k, 14, _mm_aeskeygenassist_si128 (k[13], 0x40));
}
+#endif
+
+#ifdef __aarch64__
+
+static_always_inline u8x16
+aes_inv_mix_column (u8x16 a)
+{
+ return vaesimcq_u8 (a);
+}
+
+static const u8x16 aese_prep_mask1 =
+ { 13, 14, 15, 12, 13, 14, 15, 12, 13, 14, 15, 12, 13, 14, 15, 12 };
+static const u8x16 aese_prep_mask2 =
+ { 12, 13, 14, 15, 12, 13, 14, 15, 12, 13, 14, 15, 12, 13, 14, 15 };
+
+static inline void
+aes128_key_expand_round_neon (u8x16 * rk, u32 rcon)
+{
+ u8x16 r, t, last_round = rk[-1], z = { };
+ r = vqtbl1q_u8 (last_round, aese_prep_mask1);
+ r = vaeseq_u8 (r, z);
+ r ^= (u8x16) vdupq_n_u32 (rcon);
+ r ^= last_round;
+ r ^= t = vextq_u8 (z, last_round, 12);
+ r ^= t = vextq_u8 (z, t, 12);
+ r ^= vextq_u8 (z, t, 12);
+ rk[0] = r;
+}
+
+void
+aes128_key_expand (u8x16 * rk, const u8 * k)
+{
+ rk[0] = vld1q_u8 (k);
+ aes128_key_expand_round_neon (rk + 1, 0x01);
+ aes128_key_expand_round_neon (rk + 2, 0x02);
+ aes128_key_expand_round_neon (rk + 3, 0x04);
+ aes128_key_expand_round_neon (rk + 4, 0x08);
+ aes128_key_expand_round_neon (rk + 5, 0x10);
+ aes128_key_expand_round_neon (rk + 6, 0x20);
+ aes128_key_expand_round_neon (rk + 7, 0x40);
+ aes128_key_expand_round_neon (rk + 8, 0x80);
+ aes128_key_expand_round_neon (rk + 9, 0x1b);
+ aes128_key_expand_round_neon (rk + 10, 0x36);
+}
+
+static inline void
+aes192_key_expand_round_neon (u8x8 * rk, u32 rcon)
+{
+ u8x8 r, last_round = rk[-1], z = { };
+ u8x16 r2, z2 = { };
+
+ r2 = (u8x16) vdupq_lane_u64 ((uint64x1_t) last_round, 0);
+ r2 = vqtbl1q_u8 (r2, aese_prep_mask1);
+ r2 = vaeseq_u8 (r2, z2);
+ r2 ^= (u8x16) vdupq_n_u32 (rcon);
+
+ r = (u8x8) vdup_laneq_u64 ((u64x2) r2, 0);
+ r ^= rk[-3];
+ r ^= vext_u8 (z, rk[-3], 4);
+ rk[0] = r;
+
+ r = rk[-2] ^ vext_u8 (r, z, 4);
+ r ^= vext_u8 (z, r, 4);
+ rk[1] = r;
+
+ if (rcon == 0x80)
+ return;
+
+ r = rk[-1] ^ vext_u8 (r, z, 4);
+ r ^= vext_u8 (z, r, 4);
+ rk[2] = r;
+}
+
+void
+aes192_key_expand (u8x16 * ek, const u8 * k)
+{
+ u8x8 *rk = (u8x8 *) ek;
+ ek[0] = vld1q_u8 (k);
+ rk[2] = vld1_u8 (k + 16);
+ aes192_key_expand_round_neon (rk + 3, 0x01);
+ aes192_key_expand_round_neon (rk + 6, 0x02);
+ aes192_key_expand_round_neon (rk + 9, 0x04);
+ aes192_key_expand_round_neon (rk + 12, 0x08);
+ aes192_key_expand_round_neon (rk + 15, 0x10);
+ aes192_key_expand_round_neon (rk + 18, 0x20);
+ aes192_key_expand_round_neon (rk + 21, 0x40);
+ aes192_key_expand_round_neon (rk + 24, 0x80);
+}
+
+
+static inline void
+aes256_key_expand_round_neon (u8x16 * rk, u32 rcon)
+{
+ u8x16 r, t, z = { };
+
+ r = vqtbl1q_u8 (rk[-1], rcon ? aese_prep_mask1 : aese_prep_mask2);
+ r = vaeseq_u8 (r, z);
+ if (rcon)
+ r ^= (u8x16) vdupq_n_u32 (rcon);
+ r ^= rk[-2];
+ r ^= t = vextq_u8 (z, rk[-2], 12);
+ r ^= t = vextq_u8 (z, t, 12);
+ r ^= vextq_u8 (z, t, 12);
+ rk[0] = r;
+}
+
+void
+aes256_key_expand (u8x16 * rk, const u8 * k)
+{
+ rk[0] = vld1q_u8 (k);
+ rk[1] = vld1q_u8 (k + 16);
+ aes256_key_expand_round_neon (rk + 2, 0x01);
+ aes256_key_expand_round_neon (rk + 3, 0);
+ aes256_key_expand_round_neon (rk + 4, 0x02);
+ aes256_key_expand_round_neon (rk + 5, 0);
+ aes256_key_expand_round_neon (rk + 6, 0x04);
+ aes256_key_expand_round_neon (rk + 7, 0);
+ aes256_key_expand_round_neon (rk + 8, 0x08);
+ aes256_key_expand_round_neon (rk + 9, 0);
+ aes256_key_expand_round_neon (rk + 10, 0x10);
+ aes256_key_expand_round_neon (rk + 11, 0);
+ aes256_key_expand_round_neon (rk + 12, 0x20);
+ aes256_key_expand_round_neon (rk + 13, 0);
+ aes256_key_expand_round_neon (rk + 14, 0x40);
+}
+
+#endif
static_always_inline void
aes_key_expand (u8x16 * key_schedule, u8 * key, aes_key_size_t ks)
#include <vlib/vlib.h>
#include <vnet/plugin/plugin.h>
#include <vnet/crypto/crypto.h>
-#include <x86intrin.h>
#include <crypto_native/crypto_native.h>
#include <crypto_native/aes.h>
#endif
} aes_cbc_key_data_t;
-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;
-}
+#include <crypto_native/aes_cbc_aesni.h>
+#include <crypto_native/aes_cbc_neon.h>
static_always_inline void *
aesni_cbc_key_exp (vnet_crypto_key_t * key, aes_key_size_t ks)
crypto_native_aes_cbc_init_vaes (vlib_main_t * vm)
#elif __AVX512F__
crypto_native_aes_cbc_init_avx512 (vlib_main_t * vm)
+#elif __aarch64__
+crypto_native_aes_cbc_init_neon (vlib_main_t * vm)
#elif __AVX2__
crypto_native_aes_cbc_init_avx2 (vlib_main_t * vm)
#else
--- /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:
+ */
clib_error_t *crypto_native_aes_cbc_init_avx2 (vlib_main_t * vm);
clib_error_t *crypto_native_aes_cbc_init_avx512 (vlib_main_t * vm);
clib_error_t *crypto_native_aes_cbc_init_vaes (vlib_main_t * vm);
+clib_error_t *crypto_native_aes_cbc_init_neon (vlib_main_t * vm);
clib_error_t *crypto_native_aes_gcm_init_sse42 (vlib_main_t * vm);
clib_error_t *crypto_native_aes_gcm_init_avx2 (vlib_main_t * vm);
vlib_thread_main_t *tm = vlib_get_thread_main ();
clib_error_t *error = 0;
- if (clib_cpu_supports_x86_aes () == 0)
+ if (clib_cpu_supports_x86_aes () == 0 &&
+ clib_cpu_supports_aarch64_aes () == 0)
return 0;
vec_validate_aligned (cm->per_thread_data, tm->n_vlib_mains - 1,
vnet_crypto_register_engine (vm, "native", 100,
"Native ISA Optimized Crypto");
+#if __x86_64__
if (clib_cpu_supports_vaes ())
error = crypto_native_aes_cbc_init_vaes (vm);
else if (clib_cpu_supports_avx512f ())
if (error)
goto error;
}
+#endif
+#if __aarch64__
+ error = crypto_native_aes_cbc_init_neon (vm);
+
+ if (error)
+ goto error;
+#endif
vnet_crypto_register_key_handler (vm, cm->crypto_engine_index,
crypto_native_key_handler);
*(u32 *) p3 = vgetq_lane_u32 (r, 3);
}
+static_always_inline u32
+u32x4_min_scalar (u32x4 v)
+{
+ return vminvq_u32 (v);
+}
+
#define CLIB_HAVE_VEC128_MSB_MASK
#define CLIB_HAVE_VEC128_UNALIGNED_LOAD_STORE
Code Review / vpp.git / commitdiff