crypto: introduce crypto infra

Change-Id: Ibf320b3e7b054b686f3af9a55afd5d5bda9b1048
Signed-off-by: Damjan Marion <damarion@cisco.com>
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>

1 files changed, 163 insertions, 0 deletions

diff --git a/src/vnet/crypto/crypto.h b/src/vnet/crypto/crypto.h
new file mode 100644
index 00000000000..9f4c85b36f5
--- /dev/null
+++ b/src/vnet/crypto/crypto.h
@@ -0,0 +1,163 @@
+/*
+ * 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 included_vnet_crypto_crypto_h
+#define included_vnet_crypto_crypto_h
+
+#define VNET_CRYPTO_RING_SIZE 512
+
+#include <vlib/vlib.h>
+
+#define foreach_crypto_alg \
+  _(DES_CBC, "des-cbc") \
+  _(3DES_CBC, "3des-cbc") \
+  _(AES_128_CBC, "aes-128-cbc") \
+  _(AES_192_CBC, "aes-192-cbc") \
+  _(AES_256_CBC, "aes-256-cbc")
+
+#define foreach_hmac_alg \
+  _(SHA1, "sha-1") \
+  _(SHA224, "sha-224")  \
+  _(SHA256, "sha-256")  \
+  _(SHA384, "sha-384")  \
+  _(SHA512, "sha-512")
+
+/* *INDENT-OFF* */
+typedef enum
+{
+#define _(n, s) VNET_CRYPTO_ALG_##n,
+  foreach_crypto_alg
+#undef _
+#define _(n, s) VNET_CRYPTO_ALG_##n,
+  foreach_hmac_alg
+#undef _
+  VNET_CRYPTO_N_ALGS,
+} vnet_crypto_alg_t;
+
+typedef enum
+{
+  VNET_CRYPTO_OP_NONE = 0,
+#define _(n, s) VNET_CRYPTO_OP_##n##_ENC, VNET_CRYPTO_OP_##n##_DEC,
+  foreach_crypto_alg
+#undef _
+#define _(n, s) VNET_CRYPTO_OP_##n##_HMAC,
+  foreach_hmac_alg
+#undef _
+    VNET_CRYPTO_N_OP_TYPES,
+} vnet_crypto_op_type_t;
+/* *INDENT-ON* */
+
+typedef struct
+{
+  char *name;
+} vnet_crypto_alg_data_t;
+
+typedef enum
+{
+  VNET_CRYPTO_OP_STATUS_PENDING,
+  VNET_CRYPTO_OP_STATUS_COMPLETED,
+  VNET_CRYPTO_OP_STATUS_FAIL_NO_HANDLER,
+} vnet_crypto_op_status_t;
+
+typedef struct
+{
+  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+  vnet_crypto_op_type_t op:16;
+  vnet_crypto_op_status_t status:8;
+  u8 key_len;
+  u16 flags;
+#define VNET_CRYPTO_OP_FLAG_INIT_IV 1
+  u32 len;
+  u8 *key;
+  u8 *iv;
+  u8 *src;
+  u8 *dst;
+} vnet_crypto_op_t;
+
+typedef struct
+{
+  vnet_crypto_alg_t alg;
+  const char *desc;
+  u32 active_engine_index;
+} vnet_crypto_op_type_data_t;
+
+typedef struct
+{
+  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+  u32 head;
+  u32 tail;
+  u32 size;
+  vnet_crypto_alg_t alg:8;
+  vnet_crypto_op_type_t op:8;
+  vnet_crypto_op_t *jobs[0];
+} vnet_crypto_queue_t;
+
+typedef struct
+{
+  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+  clib_bitmap_t *act_queues;
+  vnet_crypto_queue_t *queues[VNET_CRYPTO_N_OP_TYPES];
+} vnet_crypto_thread_t;
+
+typedef u32 (vnet_crypto_ops_handler_t) (vlib_main_t * vm,
+					 vnet_crypto_op_t * ops[], u32 n_ops);
+
+u32 vnet_crypto_register_engine (vlib_main_t * vm, char *name, int prio,
+				 char *desc);
+
+vlib_error_t *vnet_crypto_register_ops_handler (vlib_main_t * vm,
+						u32 provider_index,
+						vnet_crypto_op_type_t opt,
+						vnet_crypto_ops_handler_t *
+						f);
+
+typedef struct
+{
+  char *name;
+  char *desc;
+  int priority;
+  vnet_crypto_ops_handler_t *ops_handlers[VNET_CRYPTO_N_OP_TYPES];
+} vnet_crypto_engine_t;
+
+typedef struct
+{
+  vnet_crypto_alg_data_t *algs;
+  vnet_crypto_thread_t *threads;
+  vnet_crypto_ops_handler_t **ops_handlers;
+  vnet_crypto_op_type_data_t opt_data[VNET_CRYPTO_N_OP_TYPES];
+  vnet_crypto_engine_t *engines;
+} vnet_crypto_main_t;
+
+extern vnet_crypto_main_t crypto_main;
+
+u32 vnet_crypto_submit_ops (vlib_main_t * vm, vnet_crypto_op_t ** jobs,
+			    u32 n_jobs);
+
+u32 vnet_crypto_process_ops (vlib_main_t * vm, vnet_crypto_op_t ops[],
+			     u32 n_ops);
+
+format_function_t format_vnet_crypto_alg;
+format_function_t format_vnet_crypto_engine;
+format_function_t format_vnet_crypto_op;
+
+#endif /* included_vnet_crypto_crypto_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */