Add crypto_ia32 plugin

Currently this plugin provies AES CBC optimized code. Encryption code
supports parallel encryption of 4 buffers with different size and key
which improves performance 4x compared to standard serialized aproach.

On Skylake Server measured performance is around 0.71 clocks/byte with
256 buffers with size in range between 7000 and 8000 bytes.
Measured performance includes overhead of processing crypto ops.

Change-Id: I5ec2afee708fcdf16a4234926534dd64ff1155c3
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 44 insertions, 0 deletions

diff --git a/src/plugins/crypto_ia32/crypto_ia32.h b/src/plugins/crypto_ia32/crypto_ia32.h
new file mode 100644
index 00000000000..ccb26ab1a4d
--- /dev/null
+++ b/src/plugins/crypto_ia32/crypto_ia32.h
@@ -0,0 +1,44 @@
+/*
+ *------------------------------------------------------------------
+ * Copyright (c) 2019 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.
+ *------------------------------------------------------------------
+ */
+
+#ifndef __crypto_ia32_h__
+#define __crypto_ia32_h__
+
+typedef struct
+{
+  __m128i cbc_iv[4];
+} crypto_ia32_per_thread_data_t;
+
+typedef struct
+{
+  u32 crypto_engine_index;
+  crypto_ia32_per_thread_data_t *per_thread_data;
+} crypto_ia32_main_t;
+
+extern crypto_ia32_main_t crypto_ia32_main;
+
+clib_error_t *crypto_ia32_aesni_cbc_init (vlib_main_t * vm);
+
+#endif /* __crypto_ia32_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */