commit ce53363d2018071df00ffddf2ffa13c4229139a8
author zhengdelun <xszhengdelun@gmail.com> Fri May 22 15:42:28 2020 +0800
committer Dave Barach <openvpp@barachs.net> Wed Jun 10 11:09:59 2020 +0000
tree f1977cbaf245bb6d289b0722d8773a2090ef9d52
parent d6ba3ca2517a77f3177a29abae3642b2b686b26b

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

Type: fix

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

src/vnet/ip/reass/ip4_sv_reass.c

diff --git a/src/vnet/ip/reass/ip4_sv_reass.c b/src/vnet/ip/reass/ip4_sv_reass.c
index b41498e..e7effb8 100644
--- a/src/vnet/ip/reass/ip4_sv_reass.c
+++ b/src/vnet/ip/reass/ip4_sv_reass.c
@@ -331,7 +331,7 @@
 
   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);
     }
 

src/vnet/ip/reass/ip6_sv_reass.c

diff --git a/src/vnet/ip/reass/ip6_sv_reass.c b/src/vnet/ip/reass/ip6_sv_reass.c
index 6d707af..7c13f4b 100644
--- a/src/vnet/ip/reass/ip6_sv_reass.c
+++ b/src/vnet/ip/reass/ip6_sv_reass.c
@@ -329,7 +329,7 @@
 
   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);
     }