From: zhengdelun <xszhengdelun@gmail.com>
Date: Fri, 22 May 2020 07:42:28 +0000 (+0800)
Subject: ip: reassembly: LRU algorithm should eliminate the longest unused nodes
X-Git-Tag: v21.01-rc0~296
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=ce53363d2018071df00ffddf2ffa13c4229139a8;p=vpp.git

ip: reassembly: LRU algorithm should eliminate the longest unused nodes

Type: fix

Signed-off-by: zhengdelun <xszhengdelun@gmail.com>
Change-Id: I3f6240b4c0798f85960acc55a193a0cbf0c67ea4
---

diff --git a/src/vnet/ip/reass/ip4_sv_reass.c b/src/vnet/ip/reass/ip4_sv_reass.c
index b41498e2296..e7effb88d17 100644
--- a/src/vnet/ip/reass/ip4_sv_reass.c
+++ b/src/vnet/ip/reass/ip4_sv_reass.c
@@ -331,7 +331,7 @@ ip4_sv_reass_find_or_create (vlib_main_t * vm, ip4_sv_reass_main_t * rm,
 
   if (rt->reass_n >= rm->max_reass_n && rm->max_reass_n)
     {
-      reass = pool_elt_at_index (rt->pool, rt->lru_last);
+      reass = pool_elt_at_index (rt->pool, rt->lru_first);
       ip4_sv_reass_free (vm, rm, rt, reass);
     }
 
diff --git a/src/vnet/ip/reass/ip6_sv_reass.c b/src/vnet/ip/reass/ip6_sv_reass.c
index 6d707af1f94..7c13f4b7fac 100644
--- a/src/vnet/ip/reass/ip6_sv_reass.c
+++ b/src/vnet/ip/reass/ip6_sv_reass.c
@@ -329,7 +329,7 @@ ip6_sv_reass_find_or_create (vlib_main_t * vm, vlib_node_runtime_t * node,
 
   if (rt->reass_n >= rm->max_reass_n)
     {
-      reass = pool_elt_at_index (rt->pool, rt->lru_last);
+      reass = pool_elt_at_index (rt->pool, rt->lru_first);
       ip6_sv_reass_free (vm, rm, rt, reass);
     }