nat: twice-nat static mapping pool address
[vpp.git] / src / plugins / nat / nat_api.c
index c58e88b..bbb1645 100644 (file)
@@ -19,9 +19,7 @@
  */
 
 #include <nat/nat.h>
-#include <nat/nat_det.h>
 #include <nat/nat64.h>
-#include <nat/nat66.h>
 #include <nat/nat_inlines.h>
 #include <nat/nat44/inlines.h>
 #include <nat/nat_ha.h>
@@ -31,6 +29,8 @@
 #include <nat/nat_msg_enum.h>
 #include <vnet/fib/fib_table.h>
 #include <vnet/ip/ip_types_api.h>
+#include <nat/nat44/ed_inlines.h>
+#include <nat/nat_ipfix_logging.h>
 
 #define vl_api_nat44_add_del_lb_static_mapping_t_endian vl_noop_handler
 #define vl_api_nat44_nat44_lb_static_mapping_details_t_endian vl_noop_handler
@@ -104,7 +104,10 @@ vl_api_nat_show_config_t_handler (vl_api_nat_show_config_t * mp)
   REPLY_MACRO2 (VL_API_NAT_SHOW_CONFIG_REPLY,
   ({
     rmp->translation_buckets = htonl (sm->translation_buckets);
-    rmp->translation_memory_size = clib_host_to_net_u64 (sm->translation_memory_size);
+    rmp->translation_memory_size = clib_host_to_net_u32 (
+                   sm->translation_memory_size > 0xffffffffULL
+                   ? 0xffffffffUL
+                   : (u32)sm->translation_memory_size);
     rmp->user_buckets = htonl (sm->user_buckets);
     rmp->user_memory_size = clib_host_to_net_u64 (sm->user_memory_size);
     rmp->max_translations_per_user = htonl (sm->max_translations_per_user);
@@ -113,7 +116,7 @@ vl_api_nat_show_config_t_handler (vl_api_nat_show_config_t * mp)
     rmp->static_mapping_only = sm->static_mapping_only;
     rmp->static_mapping_connection_tracking =
       sm->static_mapping_connection_tracking;
-    rmp->deterministic = sm->deterministic;
+    rmp->deterministic = 0;
     rmp->endpoint_dependent = sm->endpoint_dependent;
     rmp->out2in_dpo = sm->out2in_dpo;
     //rmp->dslite_ce = dm->is_ce;
@@ -135,6 +138,52 @@ vl_api_nat_show_config_t_print (vl_api_nat_show_config_t * mp, void *handle)
   FINISH;
 }
 
+static void
+vl_api_nat_show_config_2_t_handler (vl_api_nat_show_config_2_t * mp)
+{
+  vl_api_nat_show_config_2_reply_t *rmp;
+  snat_main_t *sm = &snat_main;
+  //dslite_main_t *dm = &dslite_main;
+  nat64_main_t *n64m = &nat64_main;
+  int rv = 0;
+
+  /* *INDENT-OFF* */
+  REPLY_MACRO2 (VL_API_NAT_SHOW_CONFIG_2_REPLY,
+  ({
+    rmp->translation_buckets = htonl (sm->translation_buckets);
+    rmp->translation_memory_size = clib_host_to_net_u64 (sm->translation_memory_size);
+    rmp->user_buckets = htonl (sm->user_buckets);
+    rmp->user_memory_size = clib_host_to_net_u64 (sm->user_memory_size);
+    rmp->max_translations_per_user = htonl (sm->max_translations_per_user);
+    rmp->outside_vrf_id = htonl (sm->outside_vrf_id);
+    rmp->inside_vrf_id = htonl (sm->inside_vrf_id);
+    rmp->static_mapping_only = sm->static_mapping_only;
+    rmp->static_mapping_connection_tracking =
+      sm->static_mapping_connection_tracking;
+    rmp->deterministic = 0;
+    rmp->endpoint_dependent = sm->endpoint_dependent;
+    rmp->out2in_dpo = sm->out2in_dpo;
+    //rmp->dslite_ce = dm->is_ce;
+    rmp->nat64_bib_buckets = clib_net_to_host_u32(n64m->bib_buckets);
+    rmp->nat64_bib_memory_size = clib_net_to_host_u64(n64m->bib_memory_size);
+    rmp->nat64_st_buckets = clib_net_to_host_u32(n64m->st_buckets);
+    rmp->nat64_st_memory_size = clib_net_to_host_u64(n64m->st_memory_size);
+    rmp->max_translations_per_thread = clib_net_to_host_u32(sm->max_translations_per_thread);
+    rmp->max_users_per_thread = clib_net_to_host_u32(sm->max_users_per_thread);
+  }));
+  /* *INDENT-ON* */
+}
+
+static void *
+vl_api_nat_show_config_2_t_print (vl_api_nat_show_config_t * mp, void *handle)
+{
+  u8 *s;
+
+  s = format (0, "SCRIPT: nat_show_config_2 ");
+
+  FINISH;
+}
+
 static void
 vl_api_nat_set_workers_t_handler (vl_api_nat_set_workers_t * mp)
 {
@@ -144,12 +193,6 @@ vl_api_nat_set_workers_t_handler (vl_api_nat_set_workers_t * mp)
   uword *bitmap = 0;
   u64 mask;
 
-  if (sm->deterministic)
-    {
-      rv = VNET_API_ERROR_UNSUPPORTED;
-      goto send_reply;
-    }
-
   mask = clib_net_to_host_u64 (mp->worker_mask);
 
   if (sm->num_workers < 2)
@@ -218,9 +261,6 @@ vl_api_nat_worker_dump_t_handler (vl_api_nat_worker_dump_t * mp)
   snat_main_t *sm = &snat_main;
   u32 *worker_index;
 
-  if (sm->deterministic)
-    return;
-
   reg = vl_api_client_index_to_registration (mp->client_index);
   if (!reg)
     return;
@@ -406,12 +446,6 @@ static void
   int rv = 0;
   u16 port_start, port_end;
 
-  if (sm->deterministic)
-    {
-      rv = VNET_API_ERROR_UNSUPPORTED;
-      goto send_reply;
-    }
-
   switch (mp->alg)
     {
     case NAT_ADDR_AND_PORT_ALLOC_ALG_DEFAULT:
@@ -494,10 +528,7 @@ vl_api_nat_set_mss_clamping_t_handler (vl_api_nat_set_mss_clamping_t * mp)
   int rv = 0;
 
   if (mp->enable)
-    {
-      sm->mss_clamping = ntohs (mp->mss_value);
-      sm->mss_value_net = mp->mss_value;
-    }
+    sm->mss_clamping = ntohs (mp->mss_value);
   else
     sm->mss_clamping = 0;
 
@@ -779,12 +810,6 @@ static void
   int rv = 0;
   u32 *tmp;
 
-  if (sm->deterministic)
-    {
-      rv = VNET_API_ERROR_UNSUPPORTED;
-      goto send_reply;
-    }
-
   if (sm->static_mapping_only)
     {
       rv = VNET_API_ERROR_FEATURE_DISABLED;
@@ -878,9 +903,6 @@ vl_api_nat44_address_dump_t_handler (vl_api_nat44_address_dump_t * mp)
   snat_main_t *sm = &snat_main;
   snat_address_t *a;
 
-  if (sm->deterministic)
-    return;
-
   reg = vl_api_client_index_to_registration (mp->client_index);
   if (!reg)
     return;
@@ -1002,12 +1024,6 @@ static void
   u32 sw_if_index = ntohl (mp->sw_if_index);
   int rv = 0;
 
-  if (sm->deterministic)
-    {
-      rv = VNET_API_ERROR_UNSUPPORTED;
-      goto send_reply;
-    }
-
   VALIDATE_SW_IF_INDEX (mp);
 
   rv = snat_interface_add_del_output_feature (sw_if_index,
@@ -1015,7 +1031,6 @@ static void
                                              !mp->is_add);
 
   BAD_SW_IF_INDEX_LABEL;
-send_reply:
   REPLY_MACRO (VL_API_NAT44_INTERFACE_ADD_DEL_OUTPUT_FEATURE_REPLY);
 }
 
@@ -1062,9 +1077,6 @@ static void
   snat_main_t *sm = &snat_main;
   snat_interface_t *i;
 
-  if (sm->deterministic)
-    return;
-
   reg = vl_api_client_index_to_registration (mp->client_index);
   if (!reg)
     return;
@@ -1093,32 +1105,74 @@ static void
 {
   snat_main_t *sm = &snat_main;
   vl_api_nat44_add_del_static_mapping_reply_t *rmp;
-  ip4_address_t local_addr, external_addr;
+  ip4_address_t local_addr, external_addr, pool_addr = { 0 };
   u16 local_port = 0, external_port = 0;
   u32 vrf_id, external_sw_if_index;
   twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
   int rv = 0;
-  snat_protocol_t proto;
+  nat_protocol_t proto;
   u8 *tag = 0;
 
-  if (sm->deterministic)
+  memcpy (&local_addr.as_u8, mp->local_ip_address, 4);
+  memcpy (&external_addr.as_u8, mp->external_ip_address, 4);
+
+  if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
     {
-      rv = VNET_API_ERROR_UNSUPPORTED;
-      goto send_reply;
+      local_port = mp->local_port;
+      external_port = mp->external_port;
     }
 
+  vrf_id = clib_net_to_host_u32 (mp->vrf_id);
+  external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index);
+  proto = ip_proto_to_nat_proto (mp->protocol);
+
+  if (mp->flags & NAT_API_IS_TWICE_NAT)
+    twice_nat = TWICE_NAT;
+  else if (mp->flags & NAT_API_IS_SELF_TWICE_NAT)
+    twice_nat = TWICE_NAT_SELF;
+  mp->tag[sizeof (mp->tag) - 1] = 0;
+  tag = format (0, "%s", mp->tag);
+  vec_terminate_c_string (tag);
+
+  rv = snat_add_static_mapping (local_addr, external_addr, local_port,
+                               external_port, vrf_id,
+                               mp->flags & NAT_API_IS_ADDR_ONLY,
+                               external_sw_if_index, proto,
+                               mp->is_add, twice_nat,
+                               mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, 0,
+                               pool_addr, 0);
+  vec_free (tag);
+
+  REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_REPLY);
+}
+
+static void
+  vl_api_nat44_add_del_static_mapping_v2_t_handler
+  (vl_api_nat44_add_del_static_mapping_v2_t * mp)
+{
+  snat_main_t *sm = &snat_main;
+  vl_api_nat44_add_del_static_mapping_v2_reply_t *rmp;
+  ip4_address_t local_addr, external_addr, pool_addr;
+  u16 local_port = 0, external_port = 0;
+  u32 vrf_id, external_sw_if_index;
+  twice_nat_type_t twice_nat = TWICE_NAT_DISABLED;
+  int rv = 0;
+  nat_protocol_t proto;
+  u8 *tag = 0;
+
+  memcpy (&pool_addr.as_u8, mp->pool_ip_address, 4);
   memcpy (&local_addr.as_u8, mp->local_ip_address, 4);
   memcpy (&external_addr.as_u8, mp->external_ip_address, 4);
 
   if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
     {
-      local_port = clib_net_to_host_u16 (mp->local_port);
-      external_port = clib_net_to_host_u16 (mp->external_port);
+      local_port = mp->local_port;
+      external_port = mp->external_port;
     }
 
   vrf_id = clib_net_to_host_u32 (mp->vrf_id);
   external_sw_if_index = clib_net_to_host_u32 (mp->external_sw_if_index);
-  proto = ip_proto_to_snat_proto (mp->protocol);
+  proto = ip_proto_to_nat_proto (mp->protocol);
 
   if (mp->flags & NAT_API_IS_TWICE_NAT)
     twice_nat = TWICE_NAT;
@@ -1133,11 +1187,11 @@ static void
                                mp->flags & NAT_API_IS_ADDR_ONLY,
                                external_sw_if_index, proto,
                                mp->is_add, twice_nat,
-                               mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, 0);
+                               mp->flags & NAT_API_IS_OUT2IN_ONLY, tag, 0,
+                               pool_addr, mp->match_pool);
   vec_free (tag);
 
-send_reply:
-  REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_REPLY);
+  REPLY_MACRO (VL_API_NAT44_ADD_DEL_STATIC_MAPPING_V2_REPLY);
 }
 
 static void *vl_api_nat44_add_del_static_mapping_t_print
@@ -1169,6 +1223,39 @@ static void *vl_api_nat44_add_del_static_mapping_t_print
   FINISH;
 }
 
+static void *vl_api_nat44_add_del_static_mapping_v2_t_print
+  (vl_api_nat44_add_del_static_mapping_v2_t * mp, void *handle)
+{
+  u8 *s;
+
+  s = format (0, "SCRIPT: nat44_add_del_static_mapping_v2 ");
+  s = format (s, "protocol %d local_addr %U external_addr %U ",
+             mp->protocol,
+             format_ip4_address, mp->local_ip_address,
+             format_ip4_address, mp->external_ip_address);
+
+  if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
+    s = format (s, "local_port %d external_port %d ",
+               clib_net_to_host_u16 (mp->local_port),
+               clib_net_to_host_u16 (mp->external_port));
+
+  s = format (s, "twice_nat %d out2in_only %d ",
+             mp->flags & NAT_API_IS_TWICE_NAT,
+             mp->flags & NAT_API_IS_OUT2IN_ONLY);
+
+  if (mp->vrf_id != ~0)
+    s = format (s, "vrf %d", clib_net_to_host_u32 (mp->vrf_id));
+
+  if (mp->external_sw_if_index != ~0)
+    s = format (s, "external_sw_if_index %d",
+               clib_net_to_host_u32 (mp->external_sw_if_index));
+  if (mp->match_pool)
+    s = format (s, "match pool address %U",
+               format_ip4_address, mp->pool_ip_address);
+
+  FINISH;
+}
+
 static void
 send_nat44_static_mapping_details (snat_static_mapping_t * m,
                                   vl_api_registration_t * reg, u32 context)
@@ -1202,9 +1289,9 @@ send_nat44_static_mapping_details (snat_static_mapping_t * m,
     }
   else
     {
-      rmp->protocol = snat_proto_to_ip_proto (m->proto);
-      rmp->external_port = htons (m->external_port);
-      rmp->local_port = htons (m->local_port);
+      rmp->protocol = nat_proto_to_ip_proto (m->proto);
+      rmp->external_port = m->external_port;
+      rmp->local_port = m->local_port;
     }
 
   if (m->tag)
@@ -1239,9 +1326,9 @@ send_nat44_static_map_resolve_details (snat_static_map_resolve_t * m,
     }
   else
     {
-      rmp->protocol = snat_proto_to_ip_proto (m->proto);
-      rmp->external_port = htons (m->e_port);
-      rmp->local_port = htons (m->l_port);
+      rmp->protocol = nat_proto_to_ip_proto (m->proto);
+      rmp->external_port = m->e_port;
+      rmp->local_port = m->l_port;
     }
   if (m->tag)
     strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
@@ -1259,9 +1346,6 @@ vl_api_nat44_static_mapping_dump_t_handler (vl_api_nat44_static_mapping_dump_t
   snat_static_map_resolve_t *rp;
   int j;
 
-  if (sm->deterministic)
-    return;
-
   reg = vl_api_client_index_to_registration (mp->client_index);
   if (!reg)
     return;
@@ -1299,23 +1383,17 @@ static void
 {
   snat_main_t *sm = &snat_main;
   vl_api_nat44_add_del_identity_mapping_reply_t *rmp;
-  ip4_address_t addr;
+  ip4_address_t addr, pool_addr = { 0 };
   u16 port = 0;
   u32 vrf_id, sw_if_index;
   int rv = 0;
-  snat_protocol_t proto = ~0;
+  nat_protocol_t proto = NAT_PROTOCOL_OTHER;
   u8 *tag = 0;
 
-  if (sm->deterministic)
-    {
-      rv = VNET_API_ERROR_UNSUPPORTED;
-      goto send_reply;
-    }
-
   if (!(mp->flags & NAT_API_IS_ADDR_ONLY))
     {
-      port = clib_net_to_host_u16 (mp->port);
-      proto = ip_proto_to_snat_proto (mp->protocol);
+      port = mp->port;
+      proto = ip_proto_to_nat_proto (mp->protocol);
     }
   vrf_id = clib_net_to_host_u32 (mp->vrf_id);
   sw_if_index = clib_net_to_host_u32 (mp->sw_if_index);
@@ -1330,10 +1408,9 @@ static void
   rv =
     snat_add_static_mapping (addr, addr, port, port, vrf_id,
                             mp->flags & NAT_API_IS_ADDR_ONLY, sw_if_index,
-                            proto, mp->is_add, 0, 0, tag, 1);
+                            proto, mp->is_add, 0, 0, tag, 1, pool_addr, 0);
   vec_free (tag);
 
-send_reply:
   REPLY_MACRO (VL_API_NAT44_ADD_DEL_IDENTITY_MAPPING_REPLY);
 }
 
@@ -1376,10 +1453,10 @@ send_nat44_identity_mapping_details (snat_static_mapping_t * m, int index,
     rmp->flags |= NAT_API_IS_ADDR_ONLY;
 
   clib_memcpy (rmp->ip_address, &(m->local_addr), 4);
-  rmp->port = htons (m->local_port);
+  rmp->port = m->local_port;
   rmp->sw_if_index = ~0;
   rmp->vrf_id = htonl (local->vrf_id);
-  rmp->protocol = snat_proto_to_ip_proto (m->proto);
+  rmp->protocol = nat_proto_to_ip_proto (m->proto);
   rmp->context = context;
   if (m->tag)
     strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
@@ -1403,10 +1480,10 @@ send_nat44_identity_map_resolve_details (snat_static_map_resolve_t * m,
   if (m->addr_only)
     rmp->flags = (vl_api_nat_config_flags_t) NAT_API_IS_ADDR_ONLY;
 
-  rmp->port = htons (m->l_port);
+  rmp->port = m->l_port;
   rmp->sw_if_index = htonl (m->sw_if_index);
   rmp->vrf_id = htonl (m->vrf_id);
-  rmp->protocol = snat_proto_to_ip_proto (m->proto);
+  rmp->protocol = nat_proto_to_ip_proto (m->proto);
   rmp->context = context;
   if (m->tag)
     strncpy ((char *) rmp->tag, (char *) m->tag, vec_len (m->tag));
@@ -1424,9 +1501,6 @@ static void
   snat_static_map_resolve_t *rp;
   int j;
 
-  if (sm->deterministic)
-    return;
-
   reg = vl_api_client_index_to_registration (mp->client_index);
   if (!reg)
     return;
@@ -1472,12 +1546,6 @@ static void
   int rv = 0;
   u8 is_del;
 
-  if (sm->deterministic)
-    {
-      rv = VNET_API_ERROR_UNSUPPORTED;
-      goto send_reply;
-    }
-
   is_del = !mp->is_add;
 
   VALIDATE_SW_IF_INDEX (mp);
@@ -1486,7 +1554,6 @@ static void
                                   mp->flags & NAT_API_IS_TWICE_NAT);
 
   BAD_SW_IF_INDEX_LABEL;
-send_reply:
   REPLY_MACRO (VL_API_NAT44_ADD_DEL_INTERFACE_ADDR_REPLY);
 }
 
@@ -1532,9 +1599,6 @@ vl_api_nat44_interface_addr_dump_t_handler (vl_api_nat44_interface_addr_dump_t
   snat_main_t *sm = &snat_main;
   u32 *i;
 
-  if (sm->deterministic)
-    return;
-
   reg = vl_api_client_index_to_registration (mp->client_index);
   if (!reg)
     return;
@@ -1584,6 +1648,62 @@ send_nat44_user_details (snat_user_t * u, vl_api_registration_t * reg,
   vl_api_send_msg (reg, (u8 *) rmp);
 }
 
+static void
+nat_ed_user_create_helper (snat_main_per_thread_data_t * tsm,
+                          snat_session_t * s)
+{
+  snat_user_key_t k;
+  k.addr = s->in2out.addr;
+  k.fib_index = s->in2out.fib_index;
+  clib_bihash_kv_8_8_t key, value;
+  key.key = k.as_u64;
+  snat_user_t *u;
+  if (clib_bihash_search_8_8 (&tsm->user_hash, &key, &value))
+    {
+      pool_get (tsm->users, u);
+      u->addr = k.addr;
+      u->fib_index = k.fib_index;
+      u->nsessions = 0;
+      u->nstaticsessions = 0;
+      key.value = u - tsm->users;
+      clib_bihash_add_del_8_8 (&tsm->user_hash, &key, 1);
+    }
+  else
+    {
+      u = pool_elt_at_index (tsm->users, value.value);
+    }
+  if (snat_is_session_static (s))
+    {
+      ++u->nstaticsessions;
+    }
+  else
+    {
+      ++u->nsessions;
+    }
+}
+
+static void
+nat_ed_users_create (snat_main_per_thread_data_t * tsm)
+{
+  snat_session_t *s;
+  /* *INDENT-OFF* */
+  pool_foreach (s, tsm->sessions, { nat_ed_user_create_helper (tsm, s); });
+  /* *INDENT-ON* */
+}
+
+static void
+nat_ed_users_destroy (snat_main_per_thread_data_t * tsm)
+{
+  snat_user_t *u;
+  /* *INDENT-OFF* */
+  pool_flush (u, tsm->users, { });
+  /* *INDENT-ON* */
+  clib_bihash_free_8_8 (&tsm->user_hash);
+  clib_bihash_init_8_8 (&tsm->user_hash, "users", snat_main.user_buckets,
+                       snat_main.user_memory_size);
+  clib_bihash_set_kvp_format_fn_8_8 (&tsm->user_hash, format_user_kvp);
+}
+
 static void
 vl_api_nat44_user_dump_t_handler (vl_api_nat44_user_dump_t * mp)
 {
@@ -1592,9 +1712,6 @@ vl_api_nat44_user_dump_t_handler (vl_api_nat44_user_dump_t * mp)
   snat_main_per_thread_data_t *tsm;
   snat_user_t *u;
 
-  if (sm->deterministic)
-    return;
-
   reg = vl_api_client_index_to_registration (mp->client_index);
   if (!reg)
     return;
@@ -1602,10 +1719,18 @@ vl_api_nat44_user_dump_t_handler (vl_api_nat44_user_dump_t * mp)
   /* *INDENT-OFF* */
   vec_foreach (tsm, sm->per_thread_data)
     {
+      if (sm->endpoint_dependent)
+       {
+         nat_ed_users_create (tsm);
+       }
       pool_foreach (u, tsm->users,
       ({
         send_nat44_user_details (u, reg, mp->context);
       }));
+      if (sm->endpoint_dependent)
+       {
+         nat_ed_users_destroy (tsm);
+       }
     }
   /* *INDENT-ON* */
 }
@@ -1657,7 +1782,7 @@ send_nat44_user_session_details (snat_session_t * s,
     {
       rmp->outside_port = s->out2in.port;
       rmp->inside_port = s->in2out.port;
-      rmp->protocol = ntohs (snat_proto_to_ip_proto (s->in2out.protocol));
+      rmp->protocol = ntohs (nat_proto_to_ip_proto (s->nat_proto));
     }
   if (is_ed_session (s) || is_fwd_bypass_session (s))
     {
@@ -1688,9 +1813,6 @@ vl_api_nat44_user_session_dump_t_handler (vl_api_nat44_user_session_dump_t *
   dlist_elt_t *head, *elt;
   ip4_header_t ip;
 
-  if (sm->deterministic)
-    return;
-
   reg = vl_api_client_index_to_registration (mp->client_index);
   if (!reg)
     return;
@@ -1769,7 +1891,7 @@ unformat_nat44_lb_addr_port (vl_api_nat44_lb_addr_port_t * addr_port_pairs,
       ap = &addr_port_pairs[i];
       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.port = ap->port;
       lb_addr_port.probability = ap->probability;
       lb_addr_port.vrf_id = clib_net_to_host_u32 (ap->vrf_id);
       vec_add1 (lb_addr_port_pairs, lb_addr_port);
@@ -1788,7 +1910,7 @@ static void
   int rv = 0;
   nat44_lb_addr_port_t *locals = 0;
   ip4_address_t e_addr;
-  snat_protocol_t proto;
+  nat_protocol_t proto;
   u8 *tag = 0;
 
   if (!sm->endpoint_dependent)
@@ -1801,7 +1923,7 @@ static void
     unformat_nat44_lb_addr_port (mp->locals,
                                 clib_net_to_host_u32 (mp->local_num));
   clib_memcpy (&e_addr, mp->external_addr, 4);
-  proto = ip_proto_to_snat_proto (mp->protocol);
+  proto = ip_proto_to_nat_proto (mp->protocol);
 
   if (mp->flags & NAT_API_IS_TWICE_NAT)
     twice_nat = TWICE_NAT;
@@ -1813,7 +1935,7 @@ static void
 
   rv =
     nat44_add_del_lb_static_mapping (e_addr,
-                                    clib_net_to_host_u16 (mp->external_port),
+                                    mp->external_port,
                                     proto, locals, mp->is_add,
                                     twice_nat,
                                     mp->flags & NAT_API_IS_OUT2IN_ONLY, tag,
@@ -1848,7 +1970,7 @@ static void
   vl_api_nat44_lb_static_mapping_add_del_local_reply_t *rmp;
   int rv = 0;
   ip4_address_t e_addr, l_addr;
-  snat_protocol_t proto;
+  nat_protocol_t proto;
 
   if (!sm->endpoint_dependent)
     {
@@ -1858,7 +1980,7 @@ static void
 
   clib_memcpy (&e_addr, mp->external_addr, 4);
   clib_memcpy (&l_addr, mp->local.addr, 4);
-  proto = ip_proto_to_snat_proto (mp->protocol);
+  proto = ip_proto_to_nat_proto (mp->protocol);
 
   rv =
     nat44_lb_static_mapping_add_del_local (e_addr,
@@ -1906,8 +2028,8 @@ send_nat44_lb_static_mapping_details (snat_static_mapping_t * m,
     ntohs (VL_API_NAT44_LB_STATIC_MAPPING_DETAILS + sm->msg_id_base);
 
   clib_memcpy (rmp->external_addr, &(m->external_addr), 4);
-  rmp->external_port = ntohs (m->external_port);
-  rmp->protocol = snat_proto_to_ip_proto (m->proto);
+  rmp->external_port = m->external_port;
+  rmp->protocol = nat_proto_to_ip_proto (m->proto);
   rmp->context = context;
 
   if (m->twice_nat == TWICE_NAT)
@@ -1924,7 +2046,7 @@ send_nat44_lb_static_mapping_details (snat_static_mapping_t * m,
   pool_foreach (ap, m->locals,
   ({
     clib_memcpy (locals->addr, &(ap->addr), 4);
-    locals->port = htons (ap->port);
+    locals->port = ap->port;
     locals->probability = ap->probability;
     locals->vrf_id = ntohl (ap->vrf_id);
     locals++;
@@ -1980,20 +2102,14 @@ vl_api_nat44_del_session_t_handler (vl_api_nat44_del_session_t * mp)
   u32 vrf_id;
   int rv = 0;
   u8 is_in;
-  snat_protocol_t proto;
-
-  if (sm->deterministic)
-    {
-      rv = VNET_API_ERROR_UNSUPPORTED;
-      goto send_reply;
-    }
+  nat_protocol_t proto;
 
   memcpy (&addr.as_u8, mp->address, 4);
-  port = clib_net_to_host_u16 (mp->port);
+  port = mp->port;
   vrf_id = clib_net_to_host_u32 (mp->vrf_id);
-  proto = ip_proto_to_snat_proto (mp->protocol);
+  proto = ip_proto_to_nat_proto (mp->protocol);
   memcpy (&eh_addr.as_u8, mp->ext_host_address, 4);
-  eh_port = clib_net_to_host_u16 (mp->ext_host_port);
+  eh_port = mp->ext_host_port;
 
   is_in = mp->flags & NAT_API_IS_INSIDE;
 
@@ -2004,7 +2120,6 @@ vl_api_nat44_del_session_t_handler (vl_api_nat44_del_session_t * mp)
   else
     rv = nat44_del_session (sm, &addr, port, proto, vrf_id, is_in);
 
-send_reply:
   REPLY_MACRO (VL_API_NAT44_DEL_SESSION_REPLY);
 }
 
@@ -2014,7 +2129,7 @@ vl_api_nat44_del_session_t_print (vl_api_nat44_del_session_t * mp,
 {
   u8 *s;
 
-  s = format (0, "SCRIPT: nat44_add_del_static_mapping ");
+  s = format (0, "SCRIPT: nat44_add_del_session ");
   s = format (s, "addr %U port %d protocol %d vrf_id %d is_in %d",
              format_ip4_address, mp->address,
              clib_net_to_host_u16 (mp->port),
@@ -2058,7 +2173,7 @@ static void
              {
                s = pool_elt_at_index(tsm->sessions, ses_index[0]);
                nat_free_session_data (sm, s, tsm - sm->per_thread_data, 0);
-               nat44_ed_delete_session (sm, s, tsm - sm->per_thread_data, 1);
+               nat_ed_session_delete (sm, s, tsm - sm->per_thread_data, 1);
              }
        }else{
            vec_foreach (ses_index, ses_to_be_removed)
@@ -2120,442 +2235,73 @@ static void *vl_api_nat44_forwarding_is_enabled_t_print
   FINISH;
 }
 
-/*******************************/
-/*** Deterministic NAT (CGN) ***/
-/*******************************/
+/*************/
+/*** NAT64 ***/
+/*************/
 
 static void
-vl_api_nat_det_add_del_map_t_handler (vl_api_nat_det_add_del_map_t * mp)
+  vl_api_nat64_add_del_pool_addr_range_t_handler
+  (vl_api_nat64_add_del_pool_addr_range_t * mp)
 {
+  vl_api_nat64_add_del_pool_addr_range_reply_t *rmp;
   snat_main_t *sm = &snat_main;
-  vl_api_nat_det_add_del_map_reply_t *rmp;
   int rv = 0;
-  ip4_address_t in_addr, out_addr;
+  ip4_address_t this_addr;
+  u32 start_host_order, end_host_order;
+  u32 vrf_id;
+  int i, count;
+  u32 *tmp;
+
+  tmp = (u32 *) mp->start_addr;
+  start_host_order = clib_host_to_net_u32 (tmp[0]);
+  tmp = (u32 *) mp->end_addr;
+  end_host_order = clib_host_to_net_u32 (tmp[0]);
+
+  count = (end_host_order - start_host_order) + 1;
+
+  vrf_id = clib_host_to_net_u32 (mp->vrf_id);
+
+  memcpy (&this_addr.as_u8, mp->start_addr, 4);
 
-  if (!sm->deterministic)
+  for (i = 0; i < count; i++)
     {
-      rv = VNET_API_ERROR_UNSUPPORTED;
-      goto send_reply;
-    }
+      if ((rv = nat64_add_del_pool_addr (0, &this_addr, vrf_id, mp->is_add)))
+       goto send_reply;
 
-  clib_memcpy (&in_addr, mp->in_addr, 4);
-  clib_memcpy (&out_addr, mp->out_addr, 4);
-  rv = snat_det_add_map (sm, &in_addr, mp->in_plen, &out_addr,
-                        mp->out_plen, mp->is_add);
+      increment_v4_address (&this_addr);
+    }
 
 send_reply:
-  REPLY_MACRO (VL_API_NAT_DET_ADD_DEL_MAP_REPLY);
+  REPLY_MACRO (VL_API_NAT64_ADD_DEL_POOL_ADDR_RANGE_REPLY);
 }
 
-static void *
-vl_api_nat_det_add_del_map_t_print (vl_api_nat_det_add_del_map_t * mp,
-                                   void *handle)
+static void *vl_api_nat64_add_del_pool_addr_range_t_print
+  (vl_api_nat64_add_del_pool_addr_range_t * mp, void *handle)
 {
   u8 *s;
 
-  s = format (0, "SCRIPT: nat_det_add_del_map ");
-  s = format (s, "inside address %U/%d outside address %U/%d\n",
-             format_ip4_address, mp->in_addr, mp->in_plen,
-             format_ip4_address, mp->out_addr, mp->out_plen);
+  s = format (0, "SCRIPT: nat64_add_del_pool_addr_range ");
+  s = format (s, "%U - %U vrf_id %u %s\n",
+             format_ip4_address, mp->start_addr,
+             format_ip4_address, mp->end_addr,
+             ntohl (mp->vrf_id), mp->is_add ? "" : "del");
 
   FINISH;
 }
 
-static void
-vl_api_nat_det_forward_t_handler (vl_api_nat_det_forward_t * mp)
+typedef struct nat64_api_walk_ctx_t_
 {
-  snat_main_t *sm = &snat_main;
-  vl_api_nat_det_forward_reply_t *rmp;
-  int rv = 0;
-  u16 lo_port = 0, hi_port = 0;
-  snat_det_map_t *dm;
-  ip4_address_t in_addr, out_addr;
+  vl_api_registration_t *reg;
+  u32 context;
+  nat64_db_t *db;
+} nat64_api_walk_ctx_t;
 
-  if (!sm->deterministic)
-    {
-      rv = VNET_API_ERROR_UNSUPPORTED;
-      REPLY_MACRO (VL_API_NAT_DET_FORWARD_REPLY);
-      return;
-    }
-
-  out_addr.as_u32 = 0;
-  clib_memcpy (&in_addr, mp->in_addr, 4);
-  dm = snat_det_map_by_user (sm, &in_addr);
-  if (!dm)
-    {
-      rv = VNET_API_ERROR_NO_SUCH_ENTRY;
-      goto send_reply;
-    }
-
-  snat_det_forward (dm, &in_addr, &out_addr, &lo_port);
-  hi_port = lo_port + dm->ports_per_host - 1;
-
-send_reply:
-  /* *INDENT-OFF* */
-  REPLY_MACRO2 (VL_API_NAT_DET_FORWARD_REPLY,
-  ({
-    rmp->out_port_lo = ntohs (lo_port);
-    rmp->out_port_hi = ntohs (hi_port);
-    clib_memcpy (rmp->out_addr, &out_addr, 4);
-  }))
-  /* *INDENT-ON* */
-}
-
-static void *
-vl_api_nat_det_forward_t_print (vl_api_nat_det_forward_t * mp, void *handle)
-{
-  u8 *s;
-
-  s = format (0, "SCRIPT: nat_det_forward");
-  s = format (s, "inside ip address %U\n", format_ip4_address, mp->in_addr);
-
-  FINISH;
-}
-
-static void
-vl_api_nat_det_reverse_t_handler (vl_api_nat_det_reverse_t * mp)
-{
-  snat_main_t *sm = &snat_main;
-  vl_api_nat_det_reverse_reply_t *rmp;
-  int rv = 0;
-  ip4_address_t out_addr, in_addr;
-  snat_det_map_t *dm;
-
-  if (!sm->deterministic)
-    {
-      rv = VNET_API_ERROR_UNSUPPORTED;
-      REPLY_MACRO (VL_API_NAT_DET_REVERSE_REPLY);
-      return;
-    }
-
-  in_addr.as_u32 = 0;
-  clib_memcpy (&out_addr, mp->out_addr, 4);
-  dm = snat_det_map_by_out (sm, &out_addr);
-  if (!dm)
-    {
-      rv = VNET_API_ERROR_NO_SUCH_ENTRY;
-      goto send_reply;
-    }
-
-  snat_det_reverse (dm, &out_addr, htons (mp->out_port), &in_addr);
-
-send_reply:
-  /* *INDENT-OFF* */
-  REPLY_MACRO2 (VL_API_NAT_DET_REVERSE_REPLY,
-  ({
-    clib_memcpy (rmp->in_addr, &in_addr, 4);
-  }))
-  /* *INDENT-ON* */
-}
-
-static void *
-vl_api_nat_det_reverse_t_print (vl_api_nat_det_reverse_t * mp, void *handle)
-{
-  u8 *s;
-
-  s = format (0, "SCRIPT: nat_det_reverse");
-  s = format (s, "outside ip address %U outside port %d",
-             format_ip4_address, mp->out_addr, ntohs (mp->out_port));
-
-  FINISH;
-}
-
-static void
-sent_nat_det_map_details (snat_det_map_t * m, vl_api_registration_t * reg,
-                         u32 context)
-{
-  vl_api_nat_det_map_details_t *rmp;
-  snat_main_t *sm = &snat_main;
-
-  rmp = vl_msg_api_alloc (sizeof (*rmp));
-  clib_memset (rmp, 0, sizeof (*rmp));
-  rmp->_vl_msg_id = ntohs (VL_API_NAT_DET_MAP_DETAILS + sm->msg_id_base);
-  clib_memcpy (rmp->in_addr, &m->in_addr, 4);
-  rmp->in_plen = m->in_plen;
-  clib_memcpy (rmp->out_addr, &m->out_addr, 4);
-  rmp->out_plen = m->out_plen;
-  rmp->sharing_ratio = htonl (m->sharing_ratio);
-  rmp->ports_per_host = htons (m->ports_per_host);
-  rmp->ses_num = htonl (m->ses_num);
-  rmp->context = context;
-
-  vl_api_send_msg (reg, (u8 *) rmp);
-}
-
-static void
-vl_api_nat_det_map_dump_t_handler (vl_api_nat_det_map_dump_t * mp)
-{
-  vl_api_registration_t *reg;
-  snat_main_t *sm = &snat_main;
-  snat_det_map_t *m;
-
-  if (!sm->deterministic)
-    return;
-
-  reg = vl_api_client_index_to_registration (mp->client_index);
-  if (!reg)
-    return;
-
-  /* *INDENT-OFF* */
-  vec_foreach(m, sm->det_maps)
-    sent_nat_det_map_details(m, reg, mp->context);
-  /* *INDENT-ON* */
-}
-
-static void *
-vl_api_nat_det_map_dump_t_print (vl_api_nat_det_map_dump_t * mp, void *handle)
-{
-  u8 *s;
-
-  s = format (0, "SCRIPT: nat_det_map_dump ");
-
-  FINISH;
-}
-
-static void
-vl_api_nat_det_close_session_out_t_handler (vl_api_nat_det_close_session_out_t
-                                           * mp)
-{
-  snat_main_t *sm = &snat_main;
-  vl_api_nat_det_close_session_out_reply_t *rmp;
-  ip4_address_t out_addr, ext_addr, in_addr;
-  snat_det_out_key_t key;
-  snat_det_map_t *dm;
-  snat_det_session_t *ses;
-  int rv = 0;
-
-  if (!sm->deterministic)
-    {
-      rv = VNET_API_ERROR_UNSUPPORTED;
-      goto send_reply;
-    }
-
-  clib_memcpy (&out_addr, mp->out_addr, 4);
-  clib_memcpy (&ext_addr, mp->ext_addr, 4);
-
-  dm = snat_det_map_by_out (sm, &out_addr);
-  if (!dm)
-    {
-      rv = VNET_API_ERROR_NO_SUCH_ENTRY;
-      goto send_reply;
-    }
-  snat_det_reverse (dm, &ext_addr, ntohs (mp->out_port), &in_addr);
-  key.ext_host_addr = ext_addr;
-  key.ext_host_port = mp->ext_port;
-  key.out_port = mp->out_port;
-  ses = snat_det_get_ses_by_out (dm, &in_addr, key.as_u64);
-  if (!ses)
-    {
-      rv = VNET_API_ERROR_NO_SUCH_ENTRY;
-      goto send_reply;
-    }
-  snat_det_ses_close (dm, ses);
-
-send_reply:
-  REPLY_MACRO (VL_API_NAT_DET_CLOSE_SESSION_OUT_REPLY);
-}
-
-static void *
-vl_api_nat_det_close_session_out_t_print (vl_api_nat_det_close_session_out_t *
-                                         mp, void *handle)
-{
-  u8 *s;
-
-  s = format (0, "SCRIPT: nat_det_close_session_out ");
-  s = format (s, "out_addr %U out_port %d "
-             "ext_addr %U ext_port %d\n",
-             format_ip4_address, mp->out_addr, ntohs (mp->out_port),
-             format_ip4_address, mp->ext_addr, ntohs (mp->ext_port));
-
-  FINISH;
-}
-
-static void
-vl_api_nat_det_close_session_in_t_handler (vl_api_nat_det_close_session_in_t *
-                                          mp)
-{
-  snat_main_t *sm = &snat_main;
-  vl_api_nat_det_close_session_in_reply_t *rmp;
-  ip4_address_t in_addr, ext_addr;
-  snat_det_out_key_t key;
-  snat_det_map_t *dm;
-  snat_det_session_t *ses;
-  int rv = 0;
-
-  if (!sm->deterministic)
-    {
-      rv = VNET_API_ERROR_UNSUPPORTED;
-      goto send_reply;
-    }
-
-  clib_memcpy (&in_addr, mp->in_addr, 4);
-  clib_memcpy (&ext_addr, mp->ext_addr, 4);
-
-  dm = snat_det_map_by_user (sm, &in_addr);
-  if (!dm)
-    {
-      rv = VNET_API_ERROR_NO_SUCH_ENTRY;
-      goto send_reply;
-    }
-  key.ext_host_addr = ext_addr;
-  key.ext_host_port = mp->ext_port;
-  ses = snat_det_find_ses_by_in (dm, &in_addr, mp->in_port, key);
-  if (!ses)
-    {
-      rv = VNET_API_ERROR_NO_SUCH_ENTRY;
-      goto send_reply;
-    }
-  snat_det_ses_close (dm, ses);
-
-send_reply:
-  REPLY_MACRO (VL_API_NAT_DET_CLOSE_SESSION_OUT_REPLY);
-}
-
-static void *
-vl_api_nat_det_close_session_in_t_print (vl_api_nat_det_close_session_in_t *
-                                        mp, void *handle)
-{
-  u8 *s;
-  s = format (0, "SCRIPT: nat_det_close_session_in ");
-  s = format (s, "in_addr %U in_port %d ext_addr %U ext_port %d\n",
-             format_ip4_address, mp->in_addr, ntohs (mp->in_port),
-             format_ip4_address, mp->ext_addr, ntohs (mp->ext_port));
-
-  FINISH;
-}
-
-static void
-send_nat_det_session_details (snat_det_session_t * s,
-                             vl_api_registration_t * reg, u32 context)
-{
-  vl_api_nat_det_session_details_t *rmp;
-  snat_main_t *sm = &snat_main;
-
-  rmp = vl_msg_api_alloc (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);
-  rmp->ext_port = s->out.ext_host_port;
-  rmp->out_port = s->out.out_port;
-  rmp->state = s->state;
-  rmp->expire = ntohl (s->expire);
-  rmp->context = context;
-
-  vl_api_send_msg (reg, (u8 *) rmp);
-}
-
-static void
-vl_api_nat_det_session_dump_t_handler (vl_api_nat_det_session_dump_t * mp)
-{
-  vl_api_registration_t *reg;
-  snat_main_t *sm = &snat_main;
-  ip4_address_t user_addr;
-  snat_det_map_t *dm;
-  snat_det_session_t *s, empty_ses;
-  u16 i;
-
-  if (!sm->deterministic)
-    return;
-
-  reg = vl_api_client_index_to_registration (mp->client_index);
-  if (!reg)
-    return;
-
-  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)
-    return;
-
-  s = dm->sessions + snat_det_user_ses_offset (&user_addr, dm->in_plen);
-  for (i = 0; i < SNAT_DET_SES_PER_USER; i++)
-    {
-      if (s->out.as_u64)
-       send_nat_det_session_details (s, reg, mp->context);
-      s++;
-    }
-}
-
-static void *
-vl_api_nat_det_session_dump_t_print (vl_api_nat_det_session_dump_t * mp,
-                                    void *handle)
-{
-  u8 *s;
-
-  s = format (0, "SCRIPT: nat_det_session_dump ");
-  s = format (s, "user_addr %U\n", format_ip4_address, mp->user_addr);
-
-  FINISH;
-}
-
-/*************/
-/*** NAT64 ***/
-/*************/
-
-static void
-  vl_api_nat64_add_del_pool_addr_range_t_handler
-  (vl_api_nat64_add_del_pool_addr_range_t * mp)
-{
-  vl_api_nat64_add_del_pool_addr_range_reply_t *rmp;
-  snat_main_t *sm = &snat_main;
-  int rv = 0;
-  ip4_address_t this_addr;
-  u32 start_host_order, end_host_order;
-  u32 vrf_id;
-  int i, count;
-  u32 *tmp;
-
-  tmp = (u32 *) mp->start_addr;
-  start_host_order = clib_host_to_net_u32 (tmp[0]);
-  tmp = (u32 *) mp->end_addr;
-  end_host_order = clib_host_to_net_u32 (tmp[0]);
-
-  count = (end_host_order - start_host_order) + 1;
-
-  vrf_id = clib_host_to_net_u32 (mp->vrf_id);
-
-  memcpy (&this_addr.as_u8, mp->start_addr, 4);
-
-  for (i = 0; i < count; i++)
-    {
-      if ((rv = nat64_add_del_pool_addr (0, &this_addr, vrf_id, mp->is_add)))
-       goto send_reply;
-
-      increment_v4_address (&this_addr);
-    }
-
-send_reply:
-  REPLY_MACRO (VL_API_NAT64_ADD_DEL_POOL_ADDR_RANGE_REPLY);
-}
-
-static void *vl_api_nat64_add_del_pool_addr_range_t_print
-  (vl_api_nat64_add_del_pool_addr_range_t * mp, void *handle)
-{
-  u8 *s;
-
-  s = format (0, "SCRIPT: nat64_add_del_pool_addr_range ");
-  s = format (s, "%U - %U vrf_id %u %s\n",
-             format_ip4_address, mp->start_addr,
-             format_ip4_address, mp->end_addr,
-             ntohl (mp->vrf_id), mp->is_add ? "" : "del");
-
-  FINISH;
-}
-
-typedef struct nat64_api_walk_ctx_t_
-{
-  vl_api_registration_t *reg;
-  u32 context;
-  nat64_db_t *db;
-} nat64_api_walk_ctx_t;
-
-static int
-nat64_api_pool_walk (snat_address_t * a, void *arg)
-{
-  vl_api_nat64_pool_addr_details_t *rmp;
-  snat_main_t *sm = &snat_main;
-  nat64_api_walk_ctx_t *ctx = arg;
+static int
+nat64_api_pool_walk (snat_address_t * a, void *arg)
+{
+  vl_api_nat64_pool_addr_details_t *rmp;
+  snat_main_t *sm = &snat_main;
+  nat64_api_walk_ctx_t *ctx = arg;
 
   rmp = vl_msg_api_alloc (sizeof (*rmp));
   clib_memset (rmp, 0, sizeof (*rmp));
@@ -2973,198 +2719,11 @@ static void *vl_api_nat64_add_del_interface_addr_t_print
   FINISH;
 }
 
-/*************/
-/*** NAT66 ***/
-/*************/
-
-static void
-vl_api_nat66_add_del_interface_t_handler (vl_api_nat66_add_del_interface_t *
-                                         mp)
-{
-  snat_main_t *sm = &snat_main;
-  vl_api_nat66_add_del_interface_reply_t *rmp;
-  int rv = 0;
-
-  VALIDATE_SW_IF_INDEX (mp);
-
-  rv =
-    nat66_interface_add_del (ntohl (mp->sw_if_index),
-                            mp->flags & NAT_API_IS_INSIDE, mp->is_add);
-
-  BAD_SW_IF_INDEX_LABEL;
-
-  REPLY_MACRO (VL_API_NAT66_ADD_DEL_INTERFACE_REPLY);
-}
-
-static void *
-vl_api_nat66_add_del_interface_t_print (vl_api_nat66_add_del_interface_t * mp,
-                                       void *handle)
-{
-  u8 *s;
-
-  s = format (0, "SCRIPT: nat66_add_del_interface ");
-  s = format (s, "sw_if_index %d %s %s",
-             clib_host_to_net_u32 (mp->sw_if_index),
-             mp->flags & NAT_API_IS_INSIDE ? "in" : "out",
-             mp->is_add ? "" : "del");
-
-  FINISH;
-}
-
-static void
-  vl_api_nat66_add_del_static_mapping_t_handler
-  (vl_api_nat66_add_del_static_mapping_t * mp)
-{
-  snat_main_t *sm = &snat_main;
-  vl_api_nat66_add_del_static_mapping_reply_t *rmp;
-  ip6_address_t l_addr, e_addr;
-  int rv = 0;
-
-  memcpy (&l_addr.as_u8, mp->local_ip_address, 16);
-  memcpy (&e_addr.as_u8, mp->external_ip_address, 16);
-
-  rv =
-    nat66_static_mapping_add_del (&l_addr, &e_addr,
-                                 clib_net_to_host_u32 (mp->vrf_id),
-                                 mp->is_add);
-
-  REPLY_MACRO (VL_API_NAT66_ADD_DEL_STATIC_MAPPING_REPLY);
-}
-
-static void *vl_api_nat66_add_del_static_mapping_t_print
-  (vl_api_nat66_add_del_static_mapping_t * mp, void *handle)
-{
-  u8 *s;
-
-  s = format (0, "SCRIPT: nat66_add_del_static_mapping ");
-  s = format (s, "local_ip_address %U external_ip_address %U vrf_id %d %s",
-             format_ip6_address, mp->local_ip_address,
-             format_ip6_address, mp->external_ip_address,
-             clib_net_to_host_u32 (mp->vrf_id), mp->is_add ? "" : "del");
-
-  FINISH;
-}
-
-typedef struct nat66_api_walk_ctx_t_
-{
-  vl_api_registration_t *rp;
-  u32 context;
-} nat66_api_walk_ctx_t;
-
-static int
-nat66_api_interface_walk (snat_interface_t * i, void *arg)
-{
-  vl_api_nat66_interface_details_t *rmp;
-  snat_main_t *sm = &snat_main;
-  nat66_api_walk_ctx_t *ctx = arg;
-
-  rmp = vl_msg_api_alloc (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);
-  if (nat_interface_is_inside (i))
-    rmp->flags |= NAT_API_IS_INSIDE;
-  rmp->context = ctx->context;
-
-  vl_api_send_msg (ctx->rp, (u8 *) rmp);
-
-  return 0;
-}
-
-static void
-vl_api_nat66_interface_dump_t_handler (vl_api_nat66_interface_dump_t * mp)
-{
-  vl_api_registration_t *rp;
-
-  rp = vl_api_client_index_to_registration (mp->client_index);
-  if (rp == 0)
-    return;
-
-  nat66_api_walk_ctx_t ctx = {
-    .rp = rp,
-    .context = mp->context,
-  };
-
-  nat66_interfaces_walk (nat66_api_interface_walk, &ctx);
-}
-
-static void *
-vl_api_nat66_interface_dump_t_print (vl_api_nat66_interface_dump_t * mp,
-                                    void *handle)
-{
-  u8 *s;
-
-  s = format (0, "SCRIPT: nat66_interface_dump ");
-
-  FINISH;
-}
-
-static int
-nat66_api_static_mapping_walk (nat66_static_mapping_t * m, void *arg)
-{
-  vl_api_nat66_static_mapping_details_t *rmp;
-  nat66_main_t *nm = &nat66_main;
-  snat_main_t *sm = &snat_main;
-  nat66_api_walk_ctx_t *ctx = arg;
-  fib_table_t *fib;
-  vlib_counter_t vc;
-
-  fib = fib_table_get (m->fib_index, FIB_PROTOCOL_IP6);
-  if (!fib)
-    return -1;
-
-  vlib_get_combined_counter (&nm->session_counters, m - nm->sm, &vc);
-
-  rmp = vl_msg_api_alloc (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);
-  clib_memcpy (rmp->external_ip_address, &m->e_addr, 16);
-  rmp->vrf_id = ntohl (fib->ft_table_id);
-  rmp->total_bytes = clib_host_to_net_u64 (vc.bytes);
-  rmp->total_pkts = clib_host_to_net_u64 (vc.packets);
-  rmp->context = ctx->context;
-
-  vl_api_send_msg (ctx->rp, (u8 *) rmp);
-
-  return 0;
-}
-
-static void
-vl_api_nat66_static_mapping_dump_t_handler (vl_api_nat66_static_mapping_dump_t
-                                           * mp)
-{
-  vl_api_registration_t *rp;
-
-  rp = vl_api_client_index_to_registration (mp->client_index);
-  if (rp == 0)
-    return;
-
-  nat66_api_walk_ctx_t ctx = {
-    .rp = rp,
-    .context = mp->context,
-  };
-
-  nat66_static_mappings_walk (nat66_api_static_mapping_walk, &ctx);
-}
-
-static void *
-vl_api_nat66_static_mapping_dump_t_print (vl_api_nat66_static_mapping_dump_t *
-                                         mp, void *handle)
-{
-  u8 *s;
-
-  s = format (0, "SCRIPT: nat66_static_mapping_dump ");
-
-  FINISH;
-}
-
-
 /* List of message types that this plugin understands */
 #define foreach_snat_plugin_api_msg                                     \
 _(NAT_CONTROL_PING, nat_control_ping)                                   \
 _(NAT_SHOW_CONFIG, nat_show_config)                                     \
+_(NAT_SHOW_CONFIG_2, nat_show_config_2)                                 \
 _(NAT_SET_WORKERS, nat_set_workers)                                     \
 _(NAT_WORKER_DUMP, nat_worker_dump)                                     \
 _(NAT44_DEL_USER, nat44_del_user)                                       \
@@ -3186,6 +2745,7 @@ _(NAT_HA_RESYNC, nat_ha_resync)                                         \
 _(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)           \
+_(NAT44_ADD_DEL_STATIC_MAPPING_V2, nat44_add_del_static_mapping_v2)     \
 _(NAT44_ADD_DEL_IDENTITY_MAPPING, nat44_add_del_identity_mapping)       \
 _(NAT44_STATIC_MAPPING_DUMP, nat44_static_mapping_dump)                 \
 _(NAT44_IDENTITY_MAPPING_DUMP, nat44_identity_mapping_dump)             \
@@ -3206,13 +2766,6 @@ _(NAT44_LB_STATIC_MAPPING_DUMP, nat44_lb_static_mapping_dump)           \
 _(NAT44_DEL_SESSION, nat44_del_session)                                 \
 _(NAT44_FORWARDING_ENABLE_DISABLE, nat44_forwarding_enable_disable)     \
 _(NAT44_FORWARDING_IS_ENABLED, nat44_forwarding_is_enabled)             \
-_(NAT_DET_ADD_DEL_MAP, nat_det_add_del_map)                             \
-_(NAT_DET_FORWARD, nat_det_forward)                                     \
-_(NAT_DET_REVERSE, nat_det_reverse)                                     \
-_(NAT_DET_MAP_DUMP, nat_det_map_dump)                                   \
-_(NAT_DET_CLOSE_SESSION_OUT, nat_det_close_session_out)                 \
-_(NAT_DET_CLOSE_SESSION_IN, nat_det_close_session_in)                   \
-_(NAT_DET_SESSION_DUMP, nat_det_session_dump)                           \
 _(NAT64_ADD_DEL_POOL_ADDR_RANGE, nat64_add_del_pool_addr_range)         \
 _(NAT64_POOL_ADDR_DUMP, nat64_pool_addr_dump)                           \
 _(NAT64_ADD_DEL_INTERFACE, nat64_add_del_interface)                     \
@@ -3222,11 +2775,7 @@ _(NAT64_BIB_DUMP, nat64_bib_dump)                                       \
 _(NAT64_ST_DUMP, nat64_st_dump)                                         \
 _(NAT64_ADD_DEL_PREFIX, nat64_add_del_prefix)                           \
 _(NAT64_PREFIX_DUMP, nat64_prefix_dump)                                 \
-_(NAT64_ADD_DEL_INTERFACE_ADDR, nat64_add_del_interface_addr)           \
-_(NAT66_ADD_DEL_INTERFACE, nat66_add_del_interface)                     \
-_(NAT66_INTERFACE_DUMP, nat66_interface_dump)                           \
-_(NAT66_ADD_DEL_STATIC_MAPPING, nat66_add_del_static_mapping)           \
-_(NAT66_STATIC_MAPPING_DUMP, nat66_static_mapping_dump)
+_(NAT64_ADD_DEL_INTERFACE_ADDR, nat64_add_del_interface_addr)
 
 /* Set up the API message handling tables */
 static clib_error_t *