From 7055e26952e0dee3a01422e9ae733f8996e81608 Mon Sep 17 00:00:00 2001
From: Dave Barach <dave@barachs.net>
Date: Mon, 18 Jun 2018 13:16:39 -0400
Subject: Driver level time-based src mac filter

Change-Id: I062d7653e00d77e73a61d8841e01ab4a159b6404
Signed-off-by: Dave Barach <dbarach@cisco.com>
---
 src/plugins/mactime/mactime.h | 113 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 src/plugins/mactime/mactime.h

(limited to 'src/plugins/mactime/mactime.h')

diff --git a/src/plugins/mactime/mactime.h b/src/plugins/mactime/mactime.h
new file mode 100644
index 00000000000..6890ca286c3
--- /dev/null
+++ b/src/plugins/mactime/mactime.h
@@ -0,0 +1,113 @@
+
+/*
+ * mactime.h - time-based src mac address filtration
+ *
+ * Copyright (c) <current-year> <your-organization>
+ * 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_mactime_h__
+#define __included_mactime_h__
+
+#include <vnet/vnet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vlib/counter.h>
+
+#include <vppinfra/hash.h>
+#include <vppinfra/error.h>
+#include <vppinfra/time_range.h>
+#include <vppinfra/bihash_8_8.h>
+
+#define MACTIME_RANGE_TYPE_DROP 0
+#define MACTIME_RANGE_TYPE_ALLOW 1
+
+typedef struct
+{
+  u8 *device_name;
+  u8 mac_address[6];
+  u32 flags;
+  clib_timebase_range_t *ranges;
+} mactime_device_t;
+
+/** Always drop packets from this device */
+#define MACTIME_DEVICE_FLAG_STATIC_DROP		(1<<0)
+#define MACTIME_DEVICE_FLAG_STATIC_ALLOW	(1<<1)
+#define MACTIME_DEVICE_FLAG_DYNAMIC_DROP	(1<<2)
+#define MACTIME_DEVICE_FLAG_DYNAMIC_ALLOW	(1<<3)
+
+typedef struct
+{
+  union
+  {
+    u8 mac_address[6];
+    u64 as_u64;
+  };
+} mactime_key_t;
+
+typedef struct
+{
+  /* API message ID base */
+  u16 msg_id_base;
+
+  /* Timebase */
+  clib_timebase_t timebase;
+
+  /* cached sunday midnight */
+  f64 sunday_midnight;
+
+  /* Lookup table */
+  clib_bihash_8_8_t lookup_table;
+
+  /* Device table */
+  mactime_device_t *devices;
+
+  /* Counters */
+  vlib_simple_counter_main_t allow_counters;
+  vlib_simple_counter_main_t drop_counters;
+
+  /* config parameters */
+  u32 lookup_table_num_buckets;
+  uword lookup_table_memory_size;
+  i32 timezone_offset;
+
+  /* Once-only data structure create flag */
+  int feature_initialized;
+
+  /* convenience */
+  vlib_main_t *vlib_main;
+  vnet_main_t *vnet_main;
+  ethernet_main_t *ethernet_main;
+} mactime_main_t;
+
+/* size for an hgw use-case */
+#define MACTIME_NUM_BUCKETS	128
+#define MACTIME_MEMORY_SIZE	(256<<10)
+
+extern mactime_main_t mactime_main;
+
+extern vlib_node_registration_t mactime_node;
+
+/* Periodic function events */
+#define MACTIME_EVENT1 1
+#define MACTIME_EVENT2 2
+#define MACTIME_EVENT_PERIODIC_ENABLE_DISABLE 3
+
+#endif /* __included_mactime_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
-- 
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