#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
+
typedef struct
{
u8x16 encrypt_key[15];
-#if __VAES__
- u8x64 decrypt_key[15];
-#else
- u8x16 decrypt_key[15];
-#endif
+ u8xN decrypt_key[15];
} aes_cbc_key_data_t;
-
static_always_inline void __clib_unused
aes_cbc_dec (u8x16 * k, u8x16u * src, u8x16u * dst, u8x16u * iv, int count,
int rounds)
}
#if __x86_64__
-#ifdef __VAES__
+#if defined(__VAES__) && defined(__AVX512F__)
static_always_inline u8x64
aes_block_load_x4 (u8 * src[], int i)
}
static_always_inline u8x64
-aes_cbc_dec_permute (u8x64 a, u8x64 b)
+aes4_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);
+ return (u8x64) u64x8_shuffle2 (a, b, 6, 7, 8, 9, 10, 11, 12, 13);
}
static_always_inline void
-vaes_cbc_dec (u8x64 *k, u8x64u *src, u8x64u *dst, u8x16u *iv, int count,
+aes4_cbc_dec (u8x64 *k, u8x64u *src, u8x64u *dst, u8x16u *iv, int count,
aes_key_size_t rounds)
{
u8x64 f, r[4], c[4] = { };
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[3] = r[3] ^= aes_cbc_dec_permute (c[2], c[3]);
+ dst[0] = r[0] ^= aes4_cbc_dec_permute (f, c[0]);
+ dst[1] = r[1] ^= aes4_cbc_dec_permute (c[0], c[1]);
+ dst[2] = r[2] ^= aes4_cbc_dec_permute (c[1], c[2]);
+ dst[3] = r[3] ^= aes4_cbc_dec_permute (c[2], c[3]);
f = c[3];
n_blocks -= 16;
dst += 4;
}
- while (n_blocks > 0)
+ if (n_blocks >= 12)
+ {
+ c[0] = src[0];
+ c[1] = src[1];
+ c[2] = src[2];
+
+ r[0] = c[0] ^ k[0];
+ r[1] = c[1] ^ k[0];
+ r[2] = c[2] ^ 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[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]);
+
+ dst[0] = r[0] ^= aes4_cbc_dec_permute (f, c[0]);
+ dst[1] = r[1] ^= aes4_cbc_dec_permute (c[0], c[1]);
+ dst[2] = r[2] ^= aes4_cbc_dec_permute (c[1], c[2]);
+ f = c[2];
+
+ n_blocks -= 12;
+ src += 3;
+ dst += 3;
+ }
+ else if (n_blocks >= 8)
+ {
+ c[0] = src[0];
+ c[1] = src[1];
+
+ r[0] = c[0] ^ k[0];
+ r[1] = c[1] ^ 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[0] = aes_dec_last_round_x4 (r[0], k[i]);
+ r[1] = aes_dec_last_round_x4 (r[1], k[i]);
+
+ dst[0] = r[0] ^= aes4_cbc_dec_permute (f, c[0]);
+ dst[1] = r[1] ^= aes4_cbc_dec_permute (c[0], c[1]);
+ f = c[1];
+
+ n_blocks -= 8;
+ src += 2;
+ dst += 2;
+ }
+ else if (n_blocks >= 4)
+ {
+ c[0] = src[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]);
+
+ dst[0] = r[0] ^= aes4_cbc_dec_permute (f, c[0]);
+ f = c[0];
+
+ n_blocks -= 4;
+ src += 1;
+ dst += 1;
+ }
+
+ if (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]);
+ f = aes4_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];
+ }
+}
+#elif defined(__VAES__)
+
+static_always_inline u8x32
+aes_block_load_x2 (u8 *src[], int i)
+{
+ u8x32 r = {};
+ r = u8x32_insert_lo (r, aes_block_load (src[0] + i));
+ r = u8x32_insert_hi (r, aes_block_load (src[1] + i));
+ return r;
+}
+
+static_always_inline void
+aes_block_store_x2 (u8 *dst[], int i, u8x32 r)
+{
+ aes_block_store (dst[0] + i, u8x32_extract_lo (r));
+ aes_block_store (dst[1] + i, u8x32_extract_hi (r));
+}
+
+static_always_inline u8x32
+aes2_cbc_dec_permute (u8x32 a, u8x32 b)
+{
+ return (u8x32) u64x4_shuffle2 ((u64x4) a, (u64x4) b, 2, 3, 4, 5);
+}
+
+static_always_inline void
+aes2_cbc_dec (u8x32 *k, u8x32u *src, u8x32u *dst, u8x16u *iv, int count,
+ aes_key_size_t rounds)
+{
+ u8x32 f = {}, r[4], c[4] = {};
+ int i, n_blocks = count >> 4;
+
+ f = u8x32_insert_hi (f, *iv);
+
+ while (n_blocks >= 8)
+ {
+ 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_x2 (r[0], k[i]);
+ r[1] = aes_dec_round_x2 (r[1], k[i]);
+ r[2] = aes_dec_round_x2 (r[2], k[i]);
+ r[3] = aes_dec_round_x2 (r[3], k[i]);
+ }
+
+ r[0] = aes_dec_last_round_x2 (r[0], k[i]);
+ r[1] = aes_dec_last_round_x2 (r[1], k[i]);
+ r[2] = aes_dec_last_round_x2 (r[2], k[i]);
+ r[3] = aes_dec_last_round_x2 (r[3], k[i]);
+
+ dst[0] = r[0] ^= aes2_cbc_dec_permute (f, c[0]);
+ dst[1] = r[1] ^= aes2_cbc_dec_permute (c[0], c[1]);
+ dst[2] = r[2] ^= aes2_cbc_dec_permute (c[1], c[2]);
+ dst[3] = r[3] ^= aes2_cbc_dec_permute (c[2], c[3]);
+ f = c[3];
+
+ n_blocks -= 8;
+ src += 4;
+ dst += 4;
+ }
+
+ if (n_blocks >= 6)
+ {
+ c[0] = src[0];
+ c[1] = src[1];
+ c[2] = src[2];
+
+ r[0] = c[0] ^ k[0];
+ r[1] = c[1] ^ k[0];
+ r[2] = c[2] ^ k[0];
+
+ for (i = 1; i < rounds; i++)
+ {
+ r[0] = aes_dec_round_x2 (r[0], k[i]);
+ r[1] = aes_dec_round_x2 (r[1], k[i]);
+ r[2] = aes_dec_round_x2 (r[2], k[i]);
+ }
+
+ r[0] = aes_dec_last_round_x2 (r[0], k[i]);
+ r[1] = aes_dec_last_round_x2 (r[1], k[i]);
+ r[2] = aes_dec_last_round_x2 (r[2], k[i]);
+
+ dst[0] = r[0] ^= aes2_cbc_dec_permute (f, c[0]);
+ dst[1] = r[1] ^= aes2_cbc_dec_permute (c[0], c[1]);
+ dst[2] = r[2] ^= aes2_cbc_dec_permute (c[1], c[2]);
+ f = c[2];
+
+ n_blocks -= 6;
+ src += 3;
+ dst += 3;
+ }
+ else if (n_blocks >= 4)
+ {
+ c[0] = src[0];
+ c[1] = src[1];
+
+ r[0] = c[0] ^ k[0];
+ r[1] = c[1] ^ k[0];
+
+ for (i = 1; i < rounds; i++)
+ {
+ r[0] = aes_dec_round_x2 (r[0], k[i]);
+ r[1] = aes_dec_round_x2 (r[1], k[i]);
+ }
+
+ r[0] = aes_dec_last_round_x2 (r[0], k[i]);
+ r[1] = aes_dec_last_round_x2 (r[1], k[i]);
+
+ dst[0] = r[0] ^= aes2_cbc_dec_permute (f, c[0]);
+ dst[1] = r[1] ^= aes2_cbc_dec_permute (c[0], c[1]);
+ f = c[1];
+
n_blocks -= 4;
+ src += 2;
+ dst += 2;
+ }
+ else if (n_blocks >= 2)
+ {
+ c[0] = src[0];
+ r[0] = c[0] ^ k[0];
+
+ for (i = 1; i < rounds; i++)
+ r[0] = aes_dec_round_x2 (r[0], k[i]);
+
+ r[0] = aes_dec_last_round_x2 (r[0], k[i]);
+ dst[0] = r[0] ^= aes2_cbc_dec_permute (f, c[0]);
+ f = c[0];
+
+ n_blocks -= 2;
src += 1;
dst += 1;
}
+
+ if (n_blocks > 0)
+ {
+ u8x16 rl = *(u8x16u *) src ^ u8x32_extract_lo (k[0]);
+ for (i = 1; i < rounds; i++)
+ rl = aes_dec_round (rl, u8x32_extract_lo (k[i]));
+ rl = aes_dec_last_round (rl, u8x32_extract_lo (k[i]));
+ *(u8x16 *) dst = rl ^ u8x32_extract_hi (f);
+ }
}
#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)
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
+ u8xN r[4] = {};
+ u8xN k[15][4] = {};
for (i = 0; i < N; i++)
key_index[i] = ~0;
else
{
u8x16 t = aes_block_load (ops[0]->iv);
-#if __VAES__
- rq[i] = t;
-#else
- r[i] = t;
-#endif
+ ((u8x16 *) r)[i] = t;
src[i] = ops[0]->src;
dst[i] = ops[0]->dst;
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
- }
+ ((u8x16 *) k[j])[i] = kd->encrypt_key[j];
}
ops[0]->status = VNET_CRYPTO_OP_STATUS_COMPLETED;
n_left--;
for (i = 0; i < count; i += 16)
{
-#ifdef __VAES__
+#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]);
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]);
ASSERT (n_ops >= 1);
decrypt:
-#ifdef __VAES__
- vaes_cbc_dec (kd->decrypt_key, (u8x64u *) op->src, (u8x64u *) op->dst,
+#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,
aes_key_enc_to_dec (e, d, ks);
for (int i = 0; i < AES_KEY_ROUNDS (ks) + 1; i++)
{
-#if __VAES__
- kd->decrypt_key[i] = (u8x64) _mm512_broadcast_i64x2 ((__m128i) d[i]);
+#if defined(__VAES__) && defined(__AVX512F__)
+ kd->decrypt_key[i] = u8x64_splat_u8x16 (d[i]);
+#elif defined(__VAES__)
+ kd->decrypt_key[i] = u8x32_splat_u8x16 (d[i]);
#else
kd->decrypt_key[i] = d[i];
#endif
#include <fcntl.h>
clib_error_t *
-#ifdef __VAES__
-crypto_native_aes_cbc_init_icl (vlib_main_t * vm)
+#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__
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