#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
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