Refactor the ARP throttle into a common type so it can be reused

Change-Id: Ic7f7af983d5b6d756748023aa0c650f53e9285cf
Signed-off-by: Neale Ranns <neale.ranns@cisco.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/src/vnet/util/throttle.c b/src/vnet/util/throttle.c
new file mode 100644
index 00000000000..0985b4a81a3
--- /dev/null
+++ b/src/vnet/util/throttle.c
@@ -0,0 +1,38 @@
+/*
+ * 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.
+ */
+
+#include <vnet/util/throttle.h>
+
+void
+throttle_init (throttle_t * t, u32 n_threads, f64 time)
+{
+  u32 i;
+
+  t->time = time;
+  vec_validate (t->bitmaps, n_threads);
+  vec_validate (t->seeds, n_threads);
+  vec_validate (t->last_seed_change_time, n_threads);
+
+  for (i = 0; i < n_threads; i++)
+    vec_validate (t->bitmaps[i], (THROTTLE_BITS / BITS (uword)) - 1);
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */