crypto: Add async crypto APIs

Type: feature

This adds api calls for the following CLIs:
* set sw_scheuduler worker <N> crypto on|off
* set crypto async dispatch polling|interrupt
* set crypto handler
* set crypto async handler

Change-Id: Ic701d149c440e42ea4575da42b9f69e4c8759602
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>

5 files changed, 132 insertions, 0 deletions

diff --git a/src/plugins/crypto_sw_scheduler/CMakeLists.txt b/src/plugins/crypto_sw_scheduler/CMakeLists.txt
index b94b8f8804c..e257d093b0f 100644
--- a/src/plugins/crypto_sw_scheduler/CMakeLists.txt
+++ b/src/plugins/crypto_sw_scheduler/CMakeLists.txt
@@ -14,4 +14,8 @@
 add_vpp_plugin(crypto_sw_scheduler
   SOURCES
   main.c
+  api.c
+
+  API_FILES
+  crypto_sw_scheduler.api
 )
diff --git a/src/plugins/crypto_sw_scheduler/api.c b/src/plugins/crypto_sw_scheduler/api.c
new file mode 100644
index 00000000000..ea95109592c
--- /dev/null
+++ b/src/plugins/crypto_sw_scheduler/api.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2020 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.
+ */
+
+#include <stddef.h>
+
+#include <vnet/vnet.h>
+#include <vnet/plugin/plugin.h>
+
+#include <vnet/ip/ip_types_api.h>
+#include <vpp/app/version.h>
+
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+
+#include <crypto_sw_scheduler/crypto_sw_scheduler.h>
+
+/* define message IDs */
+#include <vnet/format_fns.h>
+#include <crypto_sw_scheduler/crypto_sw_scheduler.api_enum.h>
+#include <crypto_sw_scheduler/crypto_sw_scheduler.api_types.h>
+
+/**
+ * Base message ID fot the plugin
+ */
+static u32 crypto_sw_scheduler_base_msg_id;
+
+#define REPLY_MSG_ID_BASE crypto_sw_scheduler_base_msg_id
+
+#include <vlibapi/api_helper_macros.h>
+
+static void
+  vl_api_crypto_sw_scheduler_set_worker_t_handler
+  (vl_api_crypto_sw_scheduler_set_worker_t * mp)
+{
+  vl_api_crypto_sw_scheduler_set_worker_reply_t *rmp;
+  u32 worker_index;
+  u8 crypto_enable;
+  int rv;
+
+  worker_index = ntohl (mp->worker_index);
+  crypto_enable = mp->crypto_enable;
+
+  rv = crypto_sw_scheduler_set_worker_crypto (worker_index, crypto_enable);
+
+  REPLY_MACRO (VL_API_CRYPTO_SW_SCHEDULER_SET_WORKER_REPLY);
+}
+
+#include <crypto_sw_scheduler/crypto_sw_scheduler.api.c>
+
+clib_error_t *
+crypto_sw_scheduler_api_init (vlib_main_t * vm)
+{
+  /* Ask for a correctly-sized block of API message decode slots */
+  crypto_sw_scheduler_base_msg_id = setup_message_id_table ();
+
+  return 0;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/plugins/crypto_sw_scheduler/crypto_sw_scheduler.api b/src/plugins/crypto_sw_scheduler/crypto_sw_scheduler.api
new file mode 100644
index 00000000000..f1741286d73
--- /dev/null
+++ b/src/plugins/crypto_sw_scheduler/crypto_sw_scheduler.api
@@ -0,0 +1,45 @@
+/* Hey Emacs use -*- mode: C -*- */
+/*
+ * Copyright (c) 2020 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.
+ */
+
+/** \file
+    This file defines the vpp control-plane API messages
+    used to control the crypto SW scheduler plugin
+*/
+
+option version = "0.1.0";
+
+
+ /** \brief crypto sw scheduler: Enable or disable workers
+    @param client_index - opaque cookie to identify the sender
+    @param context - sender context, to match reply w/ request
+    @param worker_index - Worker index to enable / disable
+    @param crypto_enable - On/Off
+*/
+autoreply define crypto_sw_scheduler_set_worker
+{
+  u32 client_index;
+  u32 context;
+  u32 worker_index;
+  bool crypto_enable;
+};
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/plugins/crypto_sw_scheduler/crypto_sw_scheduler.h b/src/plugins/crypto_sw_scheduler/crypto_sw_scheduler.h
index 9db42ba18ce..50dd6c11830 100644
--- a/src/plugins/crypto_sw_scheduler/crypto_sw_scheduler.h
+++ b/src/plugins/crypto_sw_scheduler/crypto_sw_scheduler.h
@@ -50,6 +50,10 @@ typedef struct
 
 extern crypto_sw_scheduler_main_t crypto_sw_scheduler_main;
 
+extern int crypto_sw_scheduler_set_worker_crypto (u32 worker_idx, u8 enabled);
+
+extern clib_error_t *crypto_sw_scheduler_api_init (vlib_main_t * vm);
+
 #endif // __crypto_native_h__
 
 /*
diff --git a/src/plugins/crypto_sw_scheduler/main.c b/src/plugins/crypto_sw_scheduler/main.c
index 8f27fefe29a..a450bc16e8e 100644
--- a/src/plugins/crypto_sw_scheduler/main.c
+++ b/src/plugins/crypto_sw_scheduler/main.c
@@ -659,6 +659,8 @@ crypto_sw_scheduler_init (vlib_main_t * vm)
   vnet_crypto_register_key_handler (vm, cm->crypto_engine_index,
 				    crypto_sw_scheduler_key_handler);
 
+  crypto_sw_scheduler_api_init (vm);
+
   /* *INDENT-OFF* */
 #define _(n, s, k, t, a)                                                      \
   vnet_crypto_register_async_handler (                                        \