From 49433adb9145bfd3a9cbaa99b01c6c14aeda71a4 Mon Sep 17 00:00:00 2001
From: Dave Barach <dave@barachs.net>
Date: Wed, 8 Aug 2018 17:59:03 -0400
Subject: Thread-safe ARP / ND throttling

Change-Id: I810d834c407bd404d5f0544cdec0674f0bb92d31
Signed-off-by: Dave Barach <dave@barachs.net>
Signed-off-by: Dave Barach <dbarach@cisco.com>
---
 src/vnet/ip/ip4.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/vnet/ip/ip4.h')

diff --git a/src/vnet/ip/ip4.h b/src/vnet/ip/ip4.h
index fcef559010c..e3cbe27dd89 100644
--- a/src/vnet/ip/ip4.h
+++ b/src/vnet/ip/ip4.h
@@ -154,8 +154,16 @@ typedef struct ip4_main_t
 
   /** The memory heap for the mtries */
   void *mtrie_mheap;
+
+  /** ARP throttling */
+  uword **arp_throttle_bitmaps;
+  u32 *arp_throttle_seeds;
+  f64 *arp_throttle_last_seed_change_time;
+
 } ip4_main_t;
 
+#define ARP_THROTTLE_BITS	(512)
+
 /** Global ip4 main structure. */
 extern ip4_main_t ip4_main;
 
-- 
cgit 1.2.3-korg