NAT: TCP MSS clamping

[vpp.git] / src / plugins / nat / nat64_in2out.c

diff --git a/src/plugins/nat/nat64_in2out.c b/src/plugins/nat/nat64_in2out.c
index 718c69d..e843fcf 100644 (file)
--- a/src/plugins/nat/nat64_in2out.c
+++ b/src/plugins/nat/nat64_in2out.c
@@ -239,6 +239,7 @@ nat64_in2out_tcp_udp_set_cb (ip6_header_t * ip6, ip4_header_t * ip4,
       checksum = &tcp->checksum;
       csum = ip_csum_sub_even (*checksum, sport);
       csum = ip_csum_add_even (csum, udp->src_port);
+      mss_clamping (nm->sm, tcp, &csum);
       *checksum = ip_csum_fold (csum);
     }
 
@@ -1424,7 +1425,8 @@ nat64_in2out_reass_node_fn (vlib_main_t * vm,
              ctx0.first_frag = 0;
              if (PREDICT_FALSE (reass0->sess_index == (u32) ~ 0))
                {
-                 if (nat_ip6_reass_add_fragment (reass0, bi0))
+                 if (nat_ip6_reass_add_fragment
+                     (reass0, bi0, &fragments_to_drop))
                    {
                      b0->error = node->errors[NAT64_IN2OUT_ERROR_MAX_FRAG];
                      next0 = NAT64_IN2OUT_NEXT_DROP;