NAT44: fix virtual fragmentation reassembly in forwarding mode (VPP-1501)

[vpp.git] / src / plugins / nat / out2in.c

diff --git a/src/plugins/nat/out2in.c b/src/plugins/nat/out2in.c
index 9cace08..52f2023 100755 (executable)
--- a/src/plugins/nat/out2in.c
+++ b/src/plugins/nat/out2in.c
@@ -1443,6 +1443,12 @@ nat44_out2in_reass_node_fn (vlib_main_t * vm,
                            node->errors[SNAT_OUT2IN_ERROR_NO_TRANSLATION];
                          next0 = SNAT_OUT2IN_NEXT_DROP;
                        }
+                     else
+                       {
+                         reass0->flags |= NAT_REASS_FLAG_ED_DONT_TRANSLATE;
+                         nat_ip4_reass_get_frags (reass0,
+                                                  &fragments_to_loopback);
+                       }
                      goto trace0;
                    }
 
@@ -1474,6 +1480,8 @@ nat44_out2in_reass_node_fn (vlib_main_t * vm,
            }
          else
            {
+             if (reass0->flags & NAT_REASS_FLAG_ED_DONT_TRANSLATE)
+               goto trace0;
              if (PREDICT_FALSE (reass0->sess_index == (u32) ~ 0))
                {
                  if (nat_ip4_reass_add_fragment