STATS: Dynamically mapped shared memory segment

Move from using a hash to a vector with offsets into shared memory.
Limit exposure of VPP data structures and include files to
external stats library and applications.

Change-Id: Ic06129f12d10cf4c4946a86d9bc734eacff2c7da
Signed-off-by: Ole Troan <ot@cisco.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/src/vlib/counter_types.h b/src/vlib/counter_types.h
new file mode 100644
index 00000000000..d6ce27f6fd6
--- /dev/null
+++ b/src/vlib/counter_types.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2018 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_vlib_counter_types_h
+#define included_vlib_counter_types_h
+
+#include <stdint.h>
+
+/** 64bit counters */
+typedef uint64_t counter_t;
+
+/** Combined counter to hold both packets and byte differences.
+ */
+typedef struct
+{
+  counter_t packets;			/**< packet counter */
+  counter_t bytes;			/**< byte counter  */
+} vlib_counter_t;
+
+#endif