nat: transitory timeout for TCP CLOSED state

[vpp.git] / src / plugins / nat / nat44 / inlines.h

diff --git a/src/plugins/nat/nat44/inlines.h b/src/plugins/nat/nat44/inlines.h
index 7cc2475..fcaf573 100644 (file)
--- a/src/plugins/nat/nat44/inlines.h
+++ b/src/plugins/nat/nat44/inlines.h
@@ -61,7 +61,7 @@ nat44_session_reuse_old (snat_main_t * sm, snat_user_t * u,
   s->ext_host_port = 0;
   s->ext_host_nat_addr.as_u32 = 0;
   s->ext_host_nat_port = 0;
-  //
+  s->tcp_close_timestamp = 0;
   s->ha_last_refreshed = now;
   return s;
 }
@@ -193,6 +193,12 @@ nat44_user_session_cleanup (snat_user_t * u, u32 thread_index, f64 now)
       sess_timeout_time = s->last_heard +
        (f64) nat44_session_get_timeout (sm, s);
 
+      if (s->tcp_close_timestamp)
+       {
+         sess_timeout_time =
+           clib_min (sess_timeout_time, s->tcp_close_timestamp);
+       }
+
       if (now < sess_timeout_time)
        continue;