X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fnat%2Fnat_api.c;h=378e7abe8710b360d4b6e3fbafa3b21565e9c048;hb=b7b929931a07fbb27b43d5cd105f366c3e29807e;hp=2994f8001f4aea58e815414817080327c6454262;hpb=5d28c7afbc0abd172d0053768b2ebe37b7a6c348;p=vpp.git

diff --git a/src/plugins/nat/nat_api.c b/src/plugins/nat/nat_api.c
index 2994f8001f4..378e7abe871 100644
--- a/src/plugins/nat/nat_api.c
+++ b/src/plugins/nat/nat_api.c
@@ -202,11 +202,11 @@ send_nat_worker_details (u32 worker_index, vl_api_registration_t * reg,
     vlib_worker_threads + worker_index + sm->first_worker_index;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_NAT_WORKER_DETAILS + sm->msg_id_base);
   rmp->context = context;
   rmp->worker_index = htonl (worker_index);
-  rmp->lcore_id = htonl (w->lcore_id);
+  rmp->lcore_id = htonl (w->cpu_id);
   strncpy ((char *) rmp->name, (char *) w->name, ARRAY_LEN (rmp->name) - 1);
 
   vl_api_send_msg (reg, (u8 *) rmp);
@@ -350,7 +350,7 @@ nat_ip4_reass_walk_api (nat_reass_ip4_t * reass, void *arg)
   nat_api_walk_ctx_t *ctx = arg;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_NAT_REASS_DETAILS + sm->msg_id_base);
   rmp->context = ctx->context;
   clib_memcpy (rmp->src_addr, &(reass->key.src), 4);
@@ -373,7 +373,7 @@ nat_ip6_reass_walk_api (nat_reass_ip6_t * reass, void *arg)
   nat_api_walk_ctx_t *ctx = arg;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_NAT_REASS_DETAILS + sm->msg_id_base);
   rmp->context = ctx->context;
   clib_memcpy (rmp->src_addr, &(reass->key.src), 16);
@@ -573,6 +573,63 @@ static void *vl_api_nat_get_addr_and_port_alloc_alg_t_print
   FINISH;
 }
 
+static void
+vl_api_nat_set_mss_clamping_t_handler (vl_api_nat_set_mss_clamping_t * mp)
+{
+  snat_main_t *sm = &snat_main;
+  vl_api_nat_set_mss_clamping_reply_t *rmp;
+  int rv = 0;
+
+  if (mp->enable)
+    {
+      sm->mss_clamping = ntohs (mp->mss_value);
+      sm->mss_value_net = mp->mss_value;
+    }
+  else
+    sm->mss_clamping = 0;
+
+  REPLY_MACRO (VL_API_NAT_SET_MSS_CLAMPING_REPLY);
+}
+
+static void *
+vl_api_nat_set_mss_clamping_t_print (vl_api_nat_set_mss_clamping_t * mp,
+				     void *handle)
+{
+  u8 *s;
+
+  s = format (0, "SCRIPT: nat_set_mss_clamping enable %d mss_value %d\n",
+	      mp->enable, ntohs (mp->mss_value));
+
+  FINISH;
+}
+
+static void
+vl_api_nat_get_mss_clamping_t_handler (vl_api_nat_get_mss_clamping_t * mp)
+{
+  snat_main_t *sm = &snat_main;
+  vl_api_nat_get_mss_clamping_reply_t *rmp;
+  int rv = 0;
+
+  /* *INDENT-OFF* */
+  REPLY_MACRO2 (VL_API_NAT_GET_MSS_CLAMPING_REPLY,
+  ({
+    rmp->enable = sm->mss_clamping ? 1 : 0;
+    rmp->mss_value = htons (sm->mss_clamping);
+  }))
+  /* *INDENT-ON* */
+}
+
+static void *
+vl_api_nat_get_mss_clamping_t_print (vl_api_nat_get_mss_clamping_t * mp,
+				     void *handle)
+{
+  u8 *s;
+
+  s = format (0, "SCRIPT: nat_get_mss_clamping");
+
+  FINISH;
+}
+
 /*************/
 /*** NAT44 ***/
 /*************/
@@ -661,7 +718,7 @@ send_nat44_address_details (snat_address_t * a,
   snat_main_t *sm = &snat_main;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_NAT44_ADDRESS_DETAILS + sm->msg_id_base);
   clib_memcpy (rmp->ip_address, &(a->addr), 4);
   if (a->fib_index != ~0)
@@ -750,7 +807,7 @@ send_nat44_interface_details (snat_interface_t * i,
   snat_main_t *sm = &snat_main;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_NAT44_INTERFACE_DETAILS + sm->msg_id_base);
   rmp->sw_if_index = ntohl (i->sw_if_index);
   rmp->is_inside = (nat_interface_is_inside (i)
@@ -839,7 +896,7 @@ send_nat44_interface_output_feature_details (snat_interface_t * i,
   snat_main_t *sm = &snat_main;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id =
     ntohs (VL_API_NAT44_INTERFACE_OUTPUT_FEATURE_DETAILS + sm->msg_id_base);
   rmp->sw_if_index = ntohl (i->sw_if_index);
@@ -923,7 +980,7 @@ static void
   rv = snat_add_static_mapping (local_addr, external_addr, local_port,
 				external_port, vrf_id, mp->addr_only,
 				external_sw_if_index, proto, mp->is_add,
-				twice_nat, mp->out2in_only, tag);
+				twice_nat, mp->out2in_only, tag, 0);
 
   vec_free (tag);
 
@@ -967,10 +1024,10 @@ send_nat44_static_mapping_details (snat_static_mapping_t * m,
   snat_main_t *sm = &snat_main;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id =
     ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base);
-  rmp->addr_only = m->addr_only;
+  rmp->addr_only = is_addr_only_static_mapping (m);
   clib_memcpy (rmp->local_ip_address, &(m->local_addr), 4);
   clib_memcpy (rmp->external_ip_address, &(m->external_addr), 4);
   rmp->external_sw_if_index = ~0;
@@ -980,8 +1037,8 @@ send_nat44_static_mapping_details (snat_static_mapping_t * m,
     rmp->twice_nat = 1;
   else if (m->twice_nat == TWICE_NAT_SELF)
     rmp->self_twice_nat = 1;
-  rmp->out2in_only = m->out2in_only;
-  if (m->addr_only == 0)
+  rmp->out2in_only = is_out2in_only_static_mapping (m);
+  if (rmp->addr_only == 0)
     {
       rmp->protocol = snat_proto_to_ip_proto (m->proto);
       rmp->external_port = htons (m->external_port);
@@ -1002,7 +1059,7 @@ send_nat44_static_map_resolve_details (snat_static_map_resolve_t * m,
   snat_main_t *sm = &snat_main;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id =
     ntohs (VL_API_NAT44_STATIC_MAPPING_DETAILS + sm->msg_id_base);
   rmp->addr_only = m->addr_only;
@@ -1043,9 +1100,7 @@ vl_api_nat44_static_mapping_dump_t_handler (vl_api_nat44_static_mapping_dump_t
   /* *INDENT-OFF* */
   pool_foreach (m, sm->static_mappings,
   ({
-      if (!vec_len (m->locals) &&
-          ((m->local_port != m->external_port)
-           || (m->local_addr.as_u32 != m->external_addr.as_u32)))
+      if (!is_identity_static_mapping(m) && !is_lb_static_mapping (m))
         send_nat44_static_mapping_details (m, reg, mp->context);
   }));
   /* *INDENT-ON* */
@@ -1053,7 +1108,7 @@ vl_api_nat44_static_mapping_dump_t_handler (vl_api_nat44_static_mapping_dump_t
   for (j = 0; j < vec_len (sm->to_resolve); j++)
     {
       rp = sm->to_resolve + j;
-      if (rp->l_addr.as_u32 != 0)
+      if (!rp->identity_nat)
 	send_nat44_static_map_resolve_details (rp, reg, mp->context);
     }
 }
@@ -1105,7 +1160,7 @@ static void
 
   rv =
     snat_add_static_mapping (addr, addr, port, port, vrf_id, mp->addr_only,
-			     sw_if_index, proto, mp->is_add, 0, 0, tag);
+			     sw_if_index, proto, mp->is_add, 0, 0, tag, 1);
 
   vec_free (tag);
 
@@ -1126,31 +1181,31 @@ static void *vl_api_nat44_add_del_identity_mapping_t_print
 
   if (mp->addr_only == 0)
     s =
-      format (s, "protocol %d port %d", mp->protocol,
+      format (s, " protocol %d port %d", mp->protocol,
 	      clib_net_to_host_u16 (mp->port));
 
   if (mp->vrf_id != ~0)
-    s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id));
+    s = format (s, " vrf %d", clib_net_to_host_u32 (mp->vrf_id));
 
   FINISH;
 }
 
 static void
-send_nat44_identity_mapping_details (snat_static_mapping_t * m,
+send_nat44_identity_mapping_details (snat_static_mapping_t * m, int index,
 				     vl_api_registration_t * reg, u32 context)
 {
   vl_api_nat44_identity_mapping_details_t *rmp;
   snat_main_t *sm = &snat_main;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id =
     ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base);
-  rmp->addr_only = m->addr_only;
+  rmp->addr_only = is_addr_only_static_mapping (m);
   clib_memcpy (rmp->ip_address, &(m->local_addr), 4);
   rmp->port = htons (m->local_port);
   rmp->sw_if_index = ~0;
-  rmp->vrf_id = htonl (m->vrf_id);
+  rmp->vrf_id = htonl (m->locals[index].vrf_id);
   rmp->protocol = snat_proto_to_ip_proto (m->proto);
   rmp->context = context;
   if (m->tag)
@@ -1168,7 +1223,7 @@ send_nat44_identity_map_resolve_details (snat_static_map_resolve_t * m,
   snat_main_t *sm = &snat_main;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id =
     ntohs (VL_API_NAT44_IDENTITY_MAPPING_DETAILS + sm->msg_id_base);
   rmp->addr_only = m->addr_only;
@@ -1203,16 +1258,18 @@ static void
   /* *INDENT-OFF* */
   pool_foreach (m, sm->static_mappings,
   ({
-      if (!vec_len (m->locals) && (m->local_port == m->external_port)
-          && (m->local_addr.as_u32 == m->external_addr.as_u32))
-        send_nat44_identity_mapping_details (m, reg, mp->context);
+      if (is_identity_static_mapping(m) && !is_lb_static_mapping (m))
+        {
+          for (j = 0; j < vec_len (m->locals); j++)
+            send_nat44_identity_mapping_details (m, j, reg, mp->context);
+        }
   }));
   /* *INDENT-ON* */
 
   for (j = 0; j < vec_len (sm->to_resolve); j++)
     {
       rp = sm->to_resolve + j;
-      if (rp->l_addr.as_u32 == 0)
+      if (rp->identity_nat)
 	send_nat44_identity_map_resolve_details (rp, reg, mp->context);
     }
 }
@@ -1274,7 +1331,7 @@ send_nat44_interface_addr_details (u32 sw_if_index,
   snat_main_t *sm = &snat_main;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id =
     ntohs (VL_API_NAT44_INTERFACE_ADDR_DETAILS + sm->msg_id_base);
   rmp->sw_if_index = ntohl (sw_if_index);
@@ -1327,7 +1384,7 @@ send_nat44_user_details (snat_user_t * u, vl_api_registration_t * reg,
   ip4_main_t *im = &ip4_main;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_NAT44_USER_DETAILS + sm->msg_id_base);
 
   if (!pool_is_free_index (im->fibs, u->fib_index))
@@ -1388,7 +1445,7 @@ send_nat44_user_session_details (snat_session_t * s,
   snat_main_t *sm = &snat_main;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id =
     ntohs (VL_API_NAT44_USER_SESSION_DETAILS + sm->msg_id_base);
   clib_memcpy (rmp->outside_ip_address, (&s->out2in.addr), 4);
@@ -1507,7 +1564,7 @@ unformat_nat44_lb_addr_port (vl_api_nat44_lb_addr_port_t * addr_port_pairs,
   for (i = 0; i < addr_port_pair_num; i++)
     {
       ap = &addr_port_pairs[i];
-      memset (&lb_addr_port, 0, sizeof (lb_addr_port));
+      clib_memset (&lb_addr_port, 0, sizeof (lb_addr_port));
       clib_memcpy (&lb_addr_port.addr, ap->addr, 4);
       lb_addr_port.port = clib_net_to_host_u16 (ap->port);
       lb_addr_port.probability = ap->probability;
@@ -1587,7 +1644,7 @@ send_nat44_lb_static_mapping_details (snat_static_mapping_t * m,
   rmp =
     vl_msg_api_alloc (sizeof (*rmp) +
 		      (vec_len (m->locals) * sizeof (nat44_lb_addr_port_t)));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id =
     ntohs (VL_API_NAT44_LB_STATIC_MAPPING_DETAILS + sm->msg_id_base);
 
@@ -1599,7 +1656,7 @@ send_nat44_lb_static_mapping_details (snat_static_mapping_t * m,
     rmp->twice_nat = 1;
   else if (m->twice_nat == TWICE_NAT_SELF)
     rmp->self_twice_nat = 1;
-  rmp->out2in_only = m->out2in_only;
+  rmp->out2in_only = is_out2in_only_static_mapping (m);
   if (m->tag)
     strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
 
@@ -1635,7 +1692,7 @@ static void
   /* *INDENT-OFF* */
   pool_foreach (m, sm->static_mappings,
   ({
-      if (vec_len(m->locals))
+      if (is_lb_static_mapping(m))
         send_nat44_lb_static_mapping_details (m, reg, mp->context);
   }));
   /* *INDENT-ON* */
@@ -1768,7 +1825,7 @@ static void
     return;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id =
     ntohs (VL_API_NAT44_FORWARDING_IS_ENABLED_REPLY + sm->msg_id_base);
   rmp->context = mp->context;
@@ -1925,7 +1982,7 @@ send_reply:
   REPLY_MACRO2 (VL_API_NAT_DET_REVERSE_REPLY,
   ({
     rmp->is_nat44 = 1;
-    memset (rmp->in_addr, 0, 16);
+    clib_memset (rmp->in_addr, 0, 16);
     clib_memcpy (rmp->in_addr, &in_addr, 4);
   }))
   /* *INDENT-ON* */
@@ -1951,7 +2008,7 @@ sent_nat_det_map_details (snat_det_map_t * m, vl_api_registration_t * reg,
   snat_main_t *sm = &snat_main;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_NAT_DET_MAP_DETAILS + sm->msg_id_base);
   rmp->is_nat44 = 1;
   clib_memcpy (rmp->in_addr, &m->in_addr, 4);
@@ -2122,7 +2179,7 @@ send_nat_det_session_details (snat_det_session_t * s,
   snat_main_t *sm = &snat_main;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_NAT_DET_SESSION_DETAILS + sm->msg_id_base);
   rmp->in_port = s->in_port;
   clib_memcpy (rmp->ext_addr, &s->out.ext_host_addr, 4);
@@ -2154,7 +2211,7 @@ vl_api_nat_det_session_dump_t_handler (vl_api_nat_det_session_dump_t * mp)
   if (!mp->is_nat44)
     return;
 
-  memset (&empty_ses, 0, sizeof (empty_ses));
+  clib_memset (&empty_ses, 0, sizeof (empty_ses));
   clib_memcpy (&user_addr, mp->user_addr, 4);
   dm = snat_det_map_by_user (sm, &user_addr);
   if (!dm)
@@ -2250,7 +2307,7 @@ nat64_api_pool_walk (snat_address_t * a, void *arg)
   nat64_api_walk_ctx_t *ctx = arg;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_NAT64_POOL_ADDR_DETAILS + sm->msg_id_base);
   clib_memcpy (rmp->address, &(a->addr), 4);
   if (a->fib_index != ~0)
@@ -2338,7 +2395,7 @@ nat64_api_interface_walk (snat_interface_t * i, void *arg)
   nat64_api_walk_ctx_t *ctx = arg;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_NAT64_INTERFACE_DETAILS + sm->msg_id_base);
   rmp->sw_if_index = ntohl (i->sw_if_index);
   rmp->is_inside = (nat_interface_is_inside (i)
@@ -2432,7 +2489,7 @@ nat64_api_bib_walk (nat64_db_bib_entry_t * bibe, void *arg)
     return -1;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_NAT64_BIB_DETAILS + sm->msg_id_base);
   rmp->context = ctx->context;
   clib_memcpy (rmp->i_addr, &(bibe->in_addr), 16);
@@ -2499,7 +2556,7 @@ nat64_api_st_walk (nat64_db_st_entry_t * ste, void *arg)
     return -1;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_NAT64_ST_DETAILS + sm->msg_id_base);
   rmp->context = ctx->context;
   clib_memcpy (rmp->il_addr, &(bibe->in_addr), 16);
@@ -2589,7 +2646,7 @@ nat64_api_prefix_walk (nat64_prefix_t * p, void *arg)
   nat64_api_walk_ctx_t *ctx = arg;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_NAT64_PREFIX_DETAILS + sm->msg_id_base);
   clib_memcpy (rmp->prefix, &(p->prefix), 16);
   rmp->prefix_len = p->plen;
@@ -2830,7 +2887,7 @@ send_dslite_address_details (snat_address_t * ap,
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
 
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
 
   rmp->_vl_msg_id = ntohs (VL_API_DSLITE_ADDRESS_DETAILS + sm->msg_id_base);
   clib_memcpy (rmp->ip_address, &(ap->addr), 4);
@@ -2968,7 +3025,7 @@ nat66_api_interface_walk (snat_interface_t * i, void *arg)
   nat66_api_walk_ctx_t *ctx = arg;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_NAT66_INTERFACE_DETAILS + sm->msg_id_base);
   rmp->sw_if_index = ntohl (i->sw_if_index);
   rmp->is_inside = nat_interface_is_inside (i);
@@ -3024,7 +3081,7 @@ nat66_api_static_mapping_walk (nat66_static_mapping_t * m, void *arg)
   vlib_get_combined_counter (&nm->session_counters, m - nm->sm, &vc);
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
-  memset (rmp, 0, sizeof (*rmp));
+  clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id =
     ntohs (VL_API_NAT66_STATIC_MAPPING_DETAILS + sm->msg_id_base);
   clib_memcpy (rmp->local_ip_address, &m->l_addr, 16);
@@ -3083,6 +3140,8 @@ _(NAT_SET_TIMEOUTS, nat_set_timeouts)                                   \
 _(NAT_GET_TIMEOUTS, nat_get_timeouts)                                   \
 _(NAT_SET_ADDR_AND_PORT_ALLOC_ALG, nat_set_addr_and_port_alloc_alg)     \
 _(NAT_GET_ADDR_AND_PORT_ALLOC_ALG, nat_get_addr_and_port_alloc_alg)     \
+_(NAT_SET_MSS_CLAMPING, nat_set_mss_clamping)                           \
+_(NAT_GET_MSS_CLAMPING, nat_get_mss_clamping)                           \
 _(NAT44_ADD_DEL_ADDRESS_RANGE, nat44_add_del_address_range)             \
 _(NAT44_INTERFACE_ADD_DEL_FEATURE, nat44_interface_add_del_feature)     \
 _(NAT44_ADD_DEL_STATIC_MAPPING, nat44_add_del_static_mapping)           \