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authorDamjan Marion <damarion@cisco.com>2019-05-22 15:11:18 +0200
committerNeale Ranns <nranns@cisco.com>2019-05-23 08:56:46 +0000
commitd5023a72ddabe7e9a8698ad57c82d6be117fff73 (patch)
tree751aa38f2b9559099859449c0bc0ca88f8b55a11 /src/plugins/crypto_ia32/aes_cbc.c
parent0ad4a439d68f906295656876cc3bb3092da2cf56 (diff)
crypto_ia32: multiarch
Change-Id: Iead43a2b524b735a2069e611d899cd41d3a8efdc Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/plugins/crypto_ia32/aes_cbc.c')
-rw-r--r--src/plugins/crypto_ia32/aes_cbc.c41
1 files changed, 34 insertions, 7 deletions
diff --git a/src/plugins/crypto_ia32/aes_cbc.c b/src/plugins/crypto_ia32/aes_cbc.c
index 7befdd2b4e6..2c08aa207ac 100644
--- a/src/plugins/crypto_ia32/aes_cbc.c
+++ b/src/plugins/crypto_ia32/aes_cbc.c
@@ -22,6 +22,12 @@
#include <crypto_ia32/crypto_ia32.h>
#include <crypto_ia32/aesni.h>
+typedef struct
+{
+ __m128i encrypt_key[15];
+ __m128i decrypt_key[15];
+} aes_cbc_key_data_t;
+
static_always_inline void
aes_cbc_dec (__m128i * k, u8 * src, u8 * dst, u8 * iv, int count,
aesni_key_size_t rounds)
@@ -98,7 +104,8 @@ aesni_ops_enc_aes_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[],
u8 *src[4] = { };
u8 *dst[4] = { };
vnet_crypto_key_index_t key_index[4] = { ~0, ~0, ~0, ~0 };
- u32x4 dummy_mask, len = { };
+ u32x4 dummy_mask = { };
+ u32x4 len = { };
u32 i, j, count, n_left = n_ops;
__m128i r[4] = { }, k[4][rounds + 1];
@@ -129,9 +136,9 @@ more:
dummy_mask[i] = ~0;
if (key_index[i] != ops[0]->key_index)
{
- aesni_key_data_t *kd;
+ aes_cbc_key_data_t *kd;
key_index[i] = ops[0]->key_index;
- kd = (aesni_key_data_t *) cm->key_data[key_index[i]];
+ kd = (aes_cbc_key_data_t *) cm->key_data[key_index[i]];
clib_memcpy_fast (k[i], kd->encrypt_key,
(rounds + 1) * sizeof (__m128i));
}
@@ -194,7 +201,7 @@ aesni_ops_dec_aes_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[],
crypto_ia32_main_t *cm = &crypto_ia32_main;
int rounds = AESNI_KEY_ROUNDS (ks);
vnet_crypto_op_t *op = ops[0];
- aesni_key_data_t *kd = (aesni_key_data_t *) cm->key_data[op->key_index];
+ 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);
@@ -206,13 +213,24 @@ decrypt:
if (--n_left)
{
op += 1;
- kd = (aesni_key_data_t *) cm->key_data[op->key_index];
+ 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, aesni_key_size_t ks)
+{
+ aes_cbc_key_data_t *kd;
+ kd = clib_mem_alloc_aligned (sizeof (*kd), CLIB_CACHE_LINE_BYTES);
+ aes_key_expand (kd->encrypt_key, key->data, ks);
+ aes_key_expand (kd->decrypt_key, key->data, ks);
+ aes_key_enc_to_dec (kd->decrypt_key, ks);
+ return kd;
+}
+
#define foreach_aesni_cbc_handler_type _(128) _(192) _(256)
#define _(x) \
@@ -222,6 +240,8 @@ static u32 aesni_ops_dec_aes_cbc_##x \
static u32 aesni_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, AESNI_KEY_##x); } \
+static void * aesni_cbc_key_exp_##x (vnet_crypto_key_t *key) \
+{ return aesni_cbc_key_exp (key, AESNI_KEY_##x); }
foreach_aesni_cbc_handler_type;
#undef _
@@ -229,7 +249,13 @@ foreach_aesni_cbc_handler_type;
#include <fcntl.h>
clib_error_t *
-crypto_ia32_aesni_cbc_init (vlib_main_t * vm)
+#ifdef __AVX512F__
+crypto_ia32_aesni_cbc_init_avx512 (vlib_main_t * vm)
+#elif __AVX2__
+crypto_ia32_aesni_cbc_init_avx2 (vlib_main_t * vm)
+#else
+crypto_ia32_aesni_cbc_init_sse42 (vlib_main_t * vm)
+#endif
{
crypto_ia32_main_t *cm = &crypto_ia32_main;
crypto_ia32_per_thread_data_t *ptd;
@@ -260,7 +286,8 @@ crypto_ia32_aesni_cbc_init (vlib_main_t * vm)
aesni_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);
+ 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;
#undef _