crypto_ia32: multiarch

Change-Id: Iead43a2b524b735a2069e611d899cd41d3a8efdc
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 14 insertions, 38 deletions

diff --git a/src/plugins/crypto_ia32/main.c b/src/plugins/crypto_ia32/main.c
index a02fc38f99e..b31c9019495 100644
--- a/src/plugins/crypto_ia32/main.c
+++ b/src/plugins/crypto_ia32/main.c
@@ -19,7 +19,6 @@
 #include <vnet/plugin/plugin.h>
 #include <vnet/crypto/crypto.h>
 #include <crypto_ia32/crypto_ia32.h>
-#include <crypto_ia32/aesni.h>
 
 crypto_ia32_main_t crypto_ia32_main;
 
@@ -29,17 +28,9 @@ crypto_ia32_key_handler (vlib_main_t * vm, vnet_crypto_key_op_t kop,
 {
   vnet_crypto_key_t *key = vnet_crypto_get_key (idx);
   crypto_ia32_main_t *cm = &crypto_ia32_main;
-  aesni_key_data_t *kd;
 
-  switch (key->alg)
-    {
-    case VNET_CRYPTO_ALG_AES_128_CBC:
-    case VNET_CRYPTO_ALG_AES_192_CBC:
-    case VNET_CRYPTO_ALG_AES_256_CBC:
-      break;
-    default:
-      return;
-    }
+  if (cm->key_fn[key->alg] == 0)
+    return;
 
   if (kop == VNET_CRYPTO_KEY_OP_DEL)
     {
@@ -65,31 +56,7 @@ crypto_ia32_key_handler (vlib_main_t * vm, vnet_crypto_key_op_t kop,
       clib_mem_free (cm->key_data[idx]);
     }
 
-  kd = cm->key_data[idx] = clib_mem_alloc_aligned (sizeof (aesni_key_data_t),
-						   CLIB_CACHE_LINE_BYTES);
-
-  /* ADD or MODIFY */
-  switch (key->alg)
-    {
-    case VNET_CRYPTO_ALG_AES_128_CBC:
-      aes_key_expand (kd->encrypt_key, key->data, AESNI_KEY_128);
-      aes_key_expand (kd->decrypt_key, key->data, AESNI_KEY_128);
-      aes_key_enc_to_dec (kd->decrypt_key, AESNI_KEY_128);
-      break;
-    case VNET_CRYPTO_ALG_AES_192_CBC:
-      aes_key_expand (kd->encrypt_key, key->data, AESNI_KEY_192);
-      aes_key_expand (kd->decrypt_key, key->data, AESNI_KEY_192);
-      aes_key_enc_to_dec (kd->decrypt_key, AESNI_KEY_192);
-      break;
-    case VNET_CRYPTO_ALG_AES_256_CBC:
-      aes_key_expand (kd->encrypt_key, key->data, AESNI_KEY_256);
-      aes_key_expand (kd->decrypt_key, key->data, AESNI_KEY_256);
-      aes_key_enc_to_dec (kd->decrypt_key, AESNI_KEY_256);
-      break;
-    default:
-      break;
-    }
-  return;
+  cm->key_data[idx] = cm->key_fn[key->alg] (key);
 }
 
 clib_error_t *
@@ -99,6 +66,9 @@ crypto_ia32_init (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)
+    return 0;
+
   vec_validate_aligned (cm->per_thread_data, tm->n_vlib_mains - 1,
 			CLIB_CACHE_LINE_BYTES);
 
@@ -106,8 +76,14 @@ crypto_ia32_init (vlib_main_t * vm)
     vnet_crypto_register_engine (vm, "ia32", 100,
 				 "Intel IA32 ISA Optimized Crypto");
 
-  if (clib_cpu_supports_x86_aes () &&
-      (error = crypto_ia32_aesni_cbc_init (vm)))
+  if (clib_cpu_supports_avx512f ())
+    error = crypto_ia32_aesni_cbc_init_avx512 (vm);
+  else if (clib_cpu_supports_avx2 ())
+    error = crypto_ia32_aesni_cbc_init_avx2 (vm);
+  else
+    error = crypto_ia32_aesni_cbc_init_sse42 (vm);
+
+  if (error)
     goto error;
 
   vnet_crypto_register_key_handler (vm, cm->crypto_engine_index,