nat: api,cli and test update & cleanup

Cleanup of print functions in api file,
splitting functionality of cleanup callbacks for ED
and EI NAT. Updating and fixing API & CLI calls.

Type: refactor

Change-Id: I7a9dc4c8b1d2ca29db4754be7dfa4f698942127a
Signed-off-by: Filip Varga <fivarga@cisco.com>

1 files changed, 0 insertions, 1136 deletions

diff --git a/src/plugins/nat/nat.api b/src/plugins/nat/nat.api
deleted file mode 100644
index 753cfdfc9be..00000000000
--- a/src/plugins/nat/nat.api
+++ /dev/null
@@ -1,1136 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-option version = "5.2.0";
-import "vnet/ip/ip_types.api";
-import "vnet/interface_types.api";
-import "plugins/nat/nat_types.api";
-
-/**
- * @file nat.api
- * @brief VPP control-plane API messages.
- *
- * This file defines VPP control-plane API messages which are generally
- * called through a shared memory interface.
- */
-
-/*
- * Common NAT plugin APIs
- */
-
-enum nat44_config_flags : u8
-{
-  NAT44_IS_ENDPOINT_INDEPENDENT = 0x00,
-  NAT44_IS_ENDPOINT_DEPENDENT = 0x01,
-  NAT44_IS_STATIC_MAPPING_ONLY = 0x02,
-  NAT44_IS_CONNECTION_TRACKING = 0x04,
-  NAT44_IS_OUT2IN_DPO = 0x08,
-};
-
-/** \brief Enable/disable NAT44 plugin
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param inside_vrf - inside vrf id
-    @param outside_vrf - outside vrf id
-    @param users - maximum number of users per thread
-                  (NAT44_IS_ENDPOINT_INDEPENDENT)
-    @param user_memory - overwrite hash allocation parameter
-                        (NAT44_IS_ENDPOINT_INDEPENDENT)
-    @param sessions - maximum number of sessions per thread
-    @param session_memory - overwrite hash allocation parameter
-    @param user_sessions - maximum number of sessions per user
-                          (NAT44_IS_ENDPOINT_INDEPENDENT)
-    @param enable - true if enable, false if disable
-    @param flags - flag NAT44_IS_ENDPOINT_INDEPENDENT,
-                        NAT44_IS_ENDPOINT_DEPENDENT,
-                        NAT44_IS_STATIC_MAPPING_ONLY,
-                        NAT44_IS_CONNECTION_TRACKING,
-                        NAT44_IS_OUT2IN_DPO
-*/
-autoreply define nat44_plugin_enable_disable {
-  u32 client_index;
-  u32 context;
-  u32 inside_vrf;
-  u32 outside_vrf;
-  u32 users;
-  u32 user_memory;
-  u32 sessions;
-  u32 session_memory;
-  u32 user_sessions;
-  bool enable;
-  vl_api_nat44_config_flags_t flags;
-};
-
-/** \brief Control ping from client to api server request
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat_control_ping
-{
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief Control ping from the client to the server response
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param retval - return code for the request
-    @param vpe_pid - the pid of the vpe, returned by the server
-*/
-define nat_control_ping_reply
-{
-  u32 context;
-  i32 retval;
-  u32 client_index;
-  u32 vpe_pid;
-};
-
-/** \brief Show NAT plugin startup config
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat_show_config
-{
-  option deprecated;
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief DEPRECATED: Show NAT plugin startup config reply
-    @param context - sender context, to match reply w/ request
-    @param retval - return code for the request
-    @param static_mapping_only - if true dynamic translations disabled
-    @param static_mapping_connection_tracking - if true create session data
-    @param deterministic - if true deterministic mapping
-    @param endpoint_dependent - if true endpoint-dependent mode
-    @param out2in_dpo - if true out2in dpo mode
-    @param dslite_ce - if true DS-Lite is CE/B4 element, if false AFTR elemet
-    @param translation_buckets - number of translation hash buckets
-    @param translation_memory_size - translation hash memory size
-    @param user_buckets - number of user hash buckets
-    @param user_memory_size - user hash memory size
-    @param max_translations_per_user - maximum number of translations per user
-    @param outside_vrf_id - outside VRF id
-    @param inside_vrf_id - default inside VRF id
-    @param nat64_bib_buckets - number of NAT64 BIB hash buckets
-    @param nat64_bib_memory_size - memory size of NAT64 BIB hash
-    @param nat64_st_buckets - number of NAT64 session table hash buckets
-    @param nat64_st_memory_size - memory size of NAT64 session table hash
-*/
-define nat_show_config_reply
-{
-  option deprecated;
-  u32 context;
-  i32 retval;
-  bool static_mapping_only;
-  bool static_mapping_connection_tracking;
-  bool deterministic;
-  bool endpoint_dependent;
-  bool out2in_dpo;
-  bool dslite_ce;
-  u32 translation_buckets;
-  u32 translation_memory_size;
-  u32 user_buckets;
-  u64 user_memory_size;
-  u32 max_translations_per_user;
-  u32 outside_vrf_id;
-  u32 inside_vrf_id;
-  u32 nat64_bib_buckets;
-  u64 nat64_bib_memory_size;
-  u32 nat64_st_buckets;
-  u64 nat64_st_memory_size;
-};
-
-/** \brief Show NAT plugin startup config
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat_show_config_2
-{
-  option deprecated;
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief Show NAT plugin startup config reply
-    @param context - sender context, to match reply w/ request
-    @param retval - return code for the request
-    @param static_mapping_only - if true dynamic translations disabled
-    @param static_mapping_connection_tracking - if true create session data
-    @param deterministic - if true deterministic mapping
-    @param endpoint_dependent - if true endpoint-dependent mode
-    @param out2in_dpo - if true out2in dpo mode
-    @param dslite_ce - if true DS-Lite is CE/B4 element, if false AFTR elemet
-    @param translation_buckets - number of translation hash buckets
-    @param translation_memory_size - translation hash memory size
-    @param user_buckets - number of user hash buckets
-    @param user_memory_size - user hash memory size
-    @param max_translations_per_user - maximum number of translations per user
-    @param outside_vrf_id - outside VRF id
-    @param inside_vrf_id - default inside VRF id
-    @param nat64_bib_buckets - number of NAT64 BIB hash buckets
-    @param nat64_bib_memory_size - memory size of NAT64 BIB hash
-    @param nat64_st_buckets - number of NAT64 session table hash buckets
-    @param nat64_st_memory_size - memory size of NAT64 session table hash
-    @param max_translations_per_thread - max translations per worker thread
-    @param max_users_per_thread - max users per worker thread
-*/
-define nat_show_config_2_reply
-{
-  option deprecated;
-  u32 context;
-  i32 retval;
-  bool static_mapping_only;
-  bool static_mapping_connection_tracking;
-  bool deterministic;
-  bool endpoint_dependent;
-  bool out2in_dpo;
-  bool dslite_ce;
-  u32 translation_buckets;
-  u64 translation_memory_size;
-  u32 user_buckets;
-  u64 user_memory_size;
-  u32 max_translations_per_user;
-  u32 outside_vrf_id;
-  u32 inside_vrf_id;
-  u32 nat64_bib_buckets;
-  u64 nat64_bib_memory_size;
-  u32 nat64_st_buckets;
-  u64 nat64_st_memory_size;
-  u32 max_translations_per_thread;
-  u32 max_users_per_thread;
-};
-
-enum nat_log_level : u8
-{
-  NAT_LOG_NONE = 0x00,
-  NAT_LOG_ERROR = 0x01,
-  NAT_LOG_WARNING = 0x02,
-  NAT_LOG_NOTICE = 0x03,
-  NAT_LOG_INFO = 0x04,
-  NAT_LOG_DEBUG = 0x05,
-};
-
-/** \brief Run nat44 garbage collection
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-autoreply define nat44_session_cleanup {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief NAT44 set session limit
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param session_limit - session limit
-    @param vrf_id - vrf id
-*/
-autoreply define nat44_set_session_limit {
-  u32 client_index;
-  u32 context;
-  u32 session_limit;
-  u32 vrf_id;
-};
-
-/** \brief Set NAT logging level
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param log_level - logging level
-*/
-autoreply define nat_set_log_level {
-  u32 client_index;
-  u32 context;
-  vl_api_nat_log_level_t log_level;
-};
-
-/** \brief Set NAT workers
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param worker_mask - NAT workers mask
-*/
-autoreply define nat_set_workers {
-  u32 client_index;
-  u32 context;
-  u64 worker_mask;
-};
-
-/** \brief Dump NAT workers
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat_worker_dump {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief NAT workers details response
-    @param context - sender context, to match reply w/ request
-    @param worker_index - worker index
-    @param lcore_id - lcore ID
-    @param name - worker name
-*/
-define nat_worker_details {
-  u32 context;
-  u32 worker_index;
-  u32 lcore_id;
-  string name[64];
-};
-
-/** \brief Enable/disable NAT IPFIX logging
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param domain_id - observation domain ID
-    @param src_port - source port number
-    @param enable - true if enable, false if disable
-*/
-autoreply define nat_ipfix_enable_disable {
-  u32 client_index;
-  u32 context;
-  u32 domain_id;
-  u16 src_port;
-  bool enable;
-};
-
-/** \brief Set values of timeouts for NAT sessions (seconds)
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param udp - UDP timeout (default 300sec)
-    @param tcp_established - TCP established timeout (default 7440sec)
-    @param tcp_transitory - TCP transitory timeout (default 240sec)
-    @param icmp - ICMP timeout (default 60sec)
-*/
-autoreply define nat_set_timeouts {
-  u32 client_index;
-  u32 context;
-  u32 udp;
-  u32 tcp_established;
-  u32 tcp_transitory;
-  u32 icmp;
-};
-
-/** \brief Get values of timeouts for NAT sessions (seconds)
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat_get_timeouts {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief Get values of timeouts for NAT sessions reply
-    @param context - sender context, to match reply w/ request
-    @param retval - return code
-    @param udp - UDP timeout
-    @param tcp_established - TCP established timeout
-    @param tcp_transitory - TCP transitory timeout
-    @param icmp - ICMP timeout
-*/
-define nat_get_timeouts_reply {
-  u32 context;
-  i32 retval;
-  u32 udp;
-  u32 tcp_established;
-  u32 tcp_transitory;
-  u32 icmp;
-};
-
-/** \brief Set address and port assignment algorithm
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param alg - address and port assignment algorithm:
-                 0 - default, 1 - MAP-E, 2 - port range
-                 (see nat_addr_and_port_alloc_alg_t in nat.h)
-    @param psid_offset - number of offset bits (valid only for MAP-E alg)
-    @param psid_length - length of PSID (valid only for MAP-E alg)
-    @param psid - Port Set Identifier (PSID) value (valid only for MAP-E alg)
-    @param start_port - beginning of the port range
-    @param end_port - end of the port range
-*/
-autoreply define nat_set_addr_and_port_alloc_alg {
-  u32 client_index;
-  u32 context;
-  u8 alg;
-  u8 psid_offset;
-  u8 psid_length;
-  u16 psid;
-  u16 start_port;
-  u16 end_port;
-};
-
-/** \brief Get address and port assignment algorithm
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat_get_addr_and_port_alloc_alg {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief Get address and port assignment algorithm reply
-    @param context - sender context, to match reply w/ request
-    @param retval - return code
-    @param alg - address and port assignment algorithm:
-                 0 - default, 1 - MAP-E, 2 - port range
-                 (see nat_addr_and_port_alloc_alg_t in nat.h)
-    @param psid_offset - number of offset bits (valid only for MAP-E alg)
-    @param psid_length - length of PSID (valid only for MAP-E alg)
-    @param psid - Port Set Identifier (PSID) value (valid only for MAP-E alg)
-    @param start_port - beginning of the port range
-    @param end_port - end of the port range
-*/
-define nat_get_addr_and_port_alloc_alg_reply {
-  u32 context;
-  i32 retval;
-  u8 alg;
-  u8 psid_offset;
-  u8 psid_length;
-  u16 psid;
-  u16 start_port;
-  u16 end_port;
-};
-
-/** \brief Set TCP MSS rewriting configuration
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param mss_value - MSS value to be used for MSS rewriting
-    @param enable - if true enable MSS rewriting feature else disable
-*/
-autoreply define nat_set_mss_clamping {
-  u32 client_index;
-  u32 context;
-  u16 mss_value;
-  bool enable;
-};
-
-/** \brief Get TCP MSS rewriting configuration
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat_get_mss_clamping {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief Get TCP MSS rewriting configuration reply
-    @param context - sender context, to match reply w/ request
-    @param retval - return code
-    @param mss_value - MSS value to be used for MSS rewriting
-    @param enable - if true enable MSS rewriting feature else disable
-*/
-define nat_get_mss_clamping_reply {
-  u32 context;
-  i32 retval;
-  u16 mss_value;
-  bool enable;
-};
-
-/** \brief Set HA listener (local settings)
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param ip_address - local IP4 address
-    @param port - local UDP port number
-    @param path_mtu - path MTU between local and failover
-*/
-autoreply define nat_ha_set_listener {
-  u32 client_index;
-  u32 context;
-  vl_api_ip4_address_t ip_address;
-  u16 port;
-  u32 path_mtu;
-};
-
-/** \brief Set HA failover (remote settings)
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param ip_address - failover IP4 address
-    @param port - failvoer UDP port number
-    @param session_refresh_interval - number of seconds after which to send
-                                      session counters refresh
-*/
-autoreply define nat_ha_set_failover {
-  u32 client_index;
-  u32 context;
-  vl_api_ip4_address_t ip_address;
-  u16 port;
-  u32 session_refresh_interval;
-};
-
-/** \brief Get HA listener/local configuration
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat_ha_get_listener {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief Get HA listener/local configuration reply
-    @param context - sender context, to match reply w/ request
-    @param retval - return code
-    @param ip_address - local IP4 address
-    @param port - local UDP port number
-    @param path_mtu - Path MTU between local and failover
-*/
-define nat_ha_get_listener_reply {
-  u32 context;
-  i32 retval;
-  vl_api_ip4_address_t ip_address;
-  u16 port;
-  u32 path_mtu;
-};
-
-/** \brief Get HA failover/remote settings
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat_ha_get_failover {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief Get HA failover/remote settings reply
-    @param context - sender context, to match reply w/ request
-    @param retval - return code
-    @param ip_address - failover IP4 address
-    @param port - failvoer UDP port number
-    @param session_refresh_interval - number of seconds after which to send
-                                      session counters refresh
-*/
-define nat_ha_get_failover_reply {
-  u32 context;
-  i32 retval;
-  vl_api_ip4_address_t ip_address;
-  u16 port;
-  u32 session_refresh_interval;
-};
-
-/** \brief Flush the current HA data (for testing)
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-autoreply define nat_ha_flush {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief Resync HA (resend existing sessions to new failover)
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param want_resync_event - resync completed event sent to the sender via
-                               nat_ha_resync_completed_event API message if
-                               non-zero
-    @param pid - sender's pid
-*/
-autoreply define nat_ha_resync
-{
-  u32 client_index;
-  u32 context;
-  u8 want_resync_event;
-  u32 pid;
-};
-
-/** \brief Tell client about a HA resync completion event
-    @param client_index - opaque cookie to identify the sender
-    @param pid - client pid registered to receive notification
-    @param missed_count - number of missed (not ACKed) messages
-*/
-define nat_ha_resync_completed_event
-{
-  u32 client_index;
-  u32 pid;
-  u32 missed_count;
-};
-
-service {
-  rpc nat_ha_resync returns nat_ha_resync_reply events nat_ha_resync_completed_event;
-};
-
-/*
- * NAT44 APIs
- */
-
-/** \brief Del NAT44 user
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param ip_address - IPv4 address
-    @param fib_index - FIB index
-*/
-autoreply define nat44_del_user {
-  u32 client_index;
-  u32 context;
-  vl_api_ip4_address_t ip_address;
-  u32 fib_index;
-};
-
-/** \brief Add/del NAT44 address range
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param first_ip_address - first IPv4 address
-    @param last_ip_address - last IPv4 address
-    @param vrf_id - VRF id of tenant, ~0 means independent of VRF
-    @param is_add - true if add, false if delete
-    @param flags - flag NAT_IS_TWICE_NAT if NAT address range for external hosts
-
-*/
-autoreply define nat44_add_del_address_range {
-  u32 client_index;
-  u32 context;
-  vl_api_ip4_address_t first_ip_address;
-  vl_api_ip4_address_t last_ip_address;
-  u32 vrf_id;
-  bool is_add;
-  vl_api_nat_config_flags_t flags;
-};
-
-/** \brief Dump NAT44 addresses
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat44_address_dump {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief NAT44 address details response
-    @param context - sender context, to match reply w/ request
-    @param ip_address - IPv4 address
-    @param flags - flag NAT_IS_TWICE_NAT if NAT address range for external hosts
-    @param vrf_id - VRF id of tenant, ~0 means independent of VRF
-*/
-define nat44_address_details {
-  u32 context;
-  vl_api_ip4_address_t ip_address;
-  vl_api_nat_config_flags_t flags;
-  u32 vrf_id;
-};
-
-/** \brief Enable/disable NAT44 feature on the interface
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param is_add - true if add, false if delete
-    @param flags - flag NAT_IS_INSIDE if interface is inside else
-                   interface is outside
-    @param sw_if_index - software index of the interface
-*/
-autoreply define nat44_interface_add_del_feature {
-  u32 client_index;
-  u32 context;
-  bool is_add;
-  vl_api_nat_config_flags_t flags;
-  vl_api_interface_index_t sw_if_index;
-};
-
-/** \brief Dump interfaces with NAT44 feature
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat44_interface_dump {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief NAT44 interface details response
-    @param context - sender context, to match reply w/ request
-    @param sw_if_index - software index of the interface
-    @param flags - flag NAT_IS_INSIDE if interface is inside,
-                   flag NAT_IS_OUTSIDE if interface is outside
-                   and if both flags are set the interface is
-                   both inside and outside
-*/
-define nat44_interface_details {
-  u32 context;
-  vl_api_nat_config_flags_t flags;
-  vl_api_interface_index_t sw_if_index;
-};
-
-/** \brief Enable/disbale NAT44 as an interface output feature (postrouting
-           in2out translation)
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param is_add - true if add, false if delete
-    @param flags - flag NAT_IS_INSIDE if interface is inside else
-                   interface is outside
-    @param sw_if_index - software index of the interface
-*/
-autoreply define nat44_interface_add_del_output_feature {
-  u32 client_index;
-  u32 context;
-  bool is_add;
-  vl_api_nat_config_flags_t flags;
-  vl_api_interface_index_t sw_if_index;
-};
-
-/** \brief Dump interfaces with NAT44 output feature
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat44_interface_output_feature_dump {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief NAT44 interface with output feature details response
-    @param context - sender context, to match reply w/ request
-    @param flags - flag NAT_IS_INSIDE if interface is inside else
-                   interface is outside
-    @param sw_if_index - software index of the interface
-*/
-define nat44_interface_output_feature_details {
-  u32 context;
-  vl_api_nat_config_flags_t flags;
-  vl_api_interface_index_t sw_if_index;
-};
-
-/** \brief Add/delete NAT44 static mapping
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param is_add - true if add, false if delete
-    @param flags - flag NAT_IS_ADDR_ONLY if address only mapping,
-                   flag nat_is_twice_nat if nat address range for external hosts,
-                   flag NAT_IS_SELF_TWICE_NAT if translate external host address
-                   and port whenever external host address equals local
-                   address of internal host,
-                   flag NAT_IS_OUT2IN_ONLY if rule match only out2in direction
-    @param local_ip_address - local IPv4 address
-    @param external_ip_address - external IPv4 address
-    @param protocol - IP protocol, used only if addr_only=0
-    @param local_port - local port number, used only if addr_only=0
-    @param external_port - external port number, used only if addr_only=0
-    @param external_sw_if_index - external interface (if set
-                                  external_ip_address is ignored, ~0 means not
-                                  used)
-    @param vfr_id - VRF ID
-    @param tag - opaque string tag
-*/
-autoreply define nat44_add_del_static_mapping {
-  u32 client_index;
-  u32 context;
-  bool is_add;
-  vl_api_nat_config_flags_t flags;
-  vl_api_ip4_address_t local_ip_address;
-  vl_api_ip4_address_t external_ip_address;
-  u8 protocol;
-  u16 local_port;
-  u16 external_port;
-  vl_api_interface_index_t external_sw_if_index;
-  u32 vrf_id;
-  string tag[64];
-};
-
-/** \brief Add/delete NAT44 static mapping
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param is_add - true if add, false if delete
-    @param match_pool - true if use specific pool_ip_address
-    @param flags - flag NAT_IS_ADDR_ONLY if address only mapping,
-                   flag nat_is_twice_nat if nat address range for external hosts,
-                   flag NAT_IS_SELF_TWICE_NAT if translate external host address
-                   and port whenever external host address equals local
-                   address of internal host,
-                   flag NAT_IS_OUT2IN_ONLY if rule match only out2in direction
-    @param pool_ip_address - pool IPv4 address to match with pool
-    @param local_ip_address - local IPv4 address
-    @param external_ip_address - external IPv4 address
-    @param protocol - IP protocol, used only if addr_only=0
-    @param local_port - local port number, used only if addr_only=0
-    @param external_port - external port number, used only if addr_only=0
-    @param external_sw_if_index - external interface (if set
-                                  external_ip_address is ignored, ~0 means not
-                                  used)
-    @param vfr_id - VRF ID
-    @param tag - opaque string tag
-*/
-autoreply define nat44_add_del_static_mapping_v2 {
-  option status="in_progress";
-  u32 client_index;
-  u32 context;
-  bool is_add;
-  bool match_pool;
-  vl_api_nat_config_flags_t flags;
-  vl_api_ip4_address_t pool_ip_address;
-  vl_api_ip4_address_t local_ip_address;
-  vl_api_ip4_address_t external_ip_address;
-  u8 protocol;
-  u16 local_port;
-  u16 external_port;
-  vl_api_interface_index_t external_sw_if_index;
-  u32 vrf_id;
-  string tag[64];
-};
-
-/** \brief Dump NAT44 static mappings
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat44_static_mapping_dump {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief NAT44 static mapping details response
-    @param context - sender context, to match reply w/ request
-    @param flags - flag NAT_ADDR_ONLY if address only mapping,
-                   flag NAT_TWICE_NAT if NAT address range for external hosts,
-                   flag NAT_SELF_TWICE_NAT if translate external host address
-                   and port whenever external host address equals local
-                   address of internal host,
-                   flag NAT_OUT2IN_ONLY if rule match only out2in direction
-    @param local_ip_address - local IPv4 address
-    @param external_ip_address - external IPv4 address
-    @param protocol - IP protocol, valid only if no NAT_ADDR_ONLY flag
-    @param local_port - local port number, valid only if no NAT_ADDR_ONLY flag
-    @param external_port - external port number, valid only if no NAT_ADDR_ONLY flag
-    @param external_sw_if_index - external interface
-    @param vfr_id - VRF ID
-    @param tag - opaque string tag
-*/
-define nat44_static_mapping_details {
-  u32 context;
-  vl_api_nat_config_flags_t flags;
-  vl_api_ip4_address_t local_ip_address;
-  vl_api_ip4_address_t external_ip_address;
-  u8 protocol;
-  u16 local_port;
-  u16 external_port;
-  vl_api_interface_index_t external_sw_if_index;
-  u32 vrf_id;
-  string tag[64];
-};
-
-/** \brief Add/delete NAT44 identity mapping
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param is_add - true if add, false if delete
-    @param flags - flag NAT_ADDR_ONLY if address only mapping
-    @param ip_address - IPv4 address
-    @param protocol - IP protocol
-    @param port - port number
-    @param sw_if_index - interface (if set ip_address is ignored, ~0 means not
-                                    used)
-    @param vfr_id - VRF ID (if ~0 use default VRF)
-    @param tag - opaque string tag
-*/
-autoreply define nat44_add_del_identity_mapping {
-  u32 client_index;
-  u32 context;
-  bool is_add;
-  vl_api_nat_config_flags_t flags;
-  vl_api_ip4_address_t ip_address;
-  u8 protocol;
-  u16 port;
-  vl_api_interface_index_t sw_if_index;
-  u32 vrf_id;
-  string tag[64];
-};
-
-/** \brief Dump NAT44 identity mappings
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat44_identity_mapping_dump {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief NAT44 identity mapping details response
-    @param context - sender context, to match reply w/ request
-    @param flags - flag NAT_ADDR_ONLY if address only mapping
-    @param ip_address - IPv4 address
-    @param protocol - IP protocol
-    @param port - port number
-    @param sw_if_index - interface
-    @param vfr_id - VRF ID
-    @param tag - opaque string tag
-*/
-define nat44_identity_mapping_details {
-  u32 context;
-  vl_api_nat_config_flags_t flags;
-  vl_api_ip4_address_t ip_address;
-  u8 protocol;
-  u16 port;
-  vl_api_interface_index_t sw_if_index;
-  u32 vrf_id;
-  string tag[64];
-};
-
-/** \brief Add/delete NAT44 pool address from specific interfce
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param is_add - true if add, false if delete
-    @param sw_if_index - software index of the interface
-    @param flags - flag NAT_TWICE_NAT if NAT address range for external hosts
-*/
-autoreply define nat44_add_del_interface_addr {
-  u32 client_index;
-  u32 context;
-  bool is_add;
-  vl_api_interface_index_t sw_if_index;
-  vl_api_nat_config_flags_t flags;
-};
-
-/** \brief Dump NAT44 pool addresses interfaces
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat44_interface_addr_dump {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief NAT44 pool addresses interfaces details response
-    @param context - sender context, to match reply w/ request
-    @param sw_if_index - software index of the interface
-    @param flags - flag NAT_TWICE_NAT if NAT address range for external hosts
-
-*/
-define nat44_interface_addr_details {
-  u32 context;
-  vl_api_interface_index_t sw_if_index;
-  vl_api_nat_config_flags_t flags;
-};
-
-/** \brief Dump NAT44 users
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat44_user_dump {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief NAT44 users response
-    @param context - sender context, to match reply w/ request
-    @vrf_id - VRF ID
-    @param ip_address - IPv4 address
-    @param nsessions - number of dynamic sessions
-    @param nstaticsessions - number of static sessions
-*/
-define nat44_user_details {
-  u32 context;
-  u32 vrf_id;
-  vl_api_ip4_address_t ip_address;
-  u32 nsessions;
-  u32 nstaticsessions;
-};
-
-/** \brief NAT44 user's sessions
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param ip_address - IPv4 address of the user to dump
-    @param vrf_id - VRF_ID
-*/
-define nat44_user_session_dump {
-  u32 client_index;
-  u32 context;
-  vl_api_ip4_address_t ip_address;
-  u32 vrf_id;
-};
-
-/** \brief NAT44 user's sessions response
-    @param context - sender context, to match reply w/ request
-    @param outside_ip_address - outside IPv4 address
-    @param outside_port - outside port
-    @param inside_ip_address - inside IPv4 address
-    @param inside_port - inside port
-    @param protocol - protocol
-    @param flags - flag NAT_IS_STATIC if session is static,
-                   flag NAT_IS_TWICE_NAT if session is twice-nat,
-                   flag NAT_IS_EXT_HOST_VALID if external host address
-                   and port are valid
-    @param last_heard - last heard timer
-    @param total_bytes - count of bytes sent through session
-    @param total_pkts - count of pakets sent through session
-    @param ext_host_address - external host IPv4 address
-    @param ext_host_port - external host port
-    @param ext_host_nat_address - post-NAT external host IPv4 address (valid
-                                  only if twice-nat session)
-    @param ext_host_nat_port - post-NAT external host port (valid only if
-                               twice-nat session)
-*/
-define nat44_user_session_details {
-  u32 context;
-  vl_api_ip4_address_t outside_ip_address;
-  u16 outside_port;
-  vl_api_ip4_address_t inside_ip_address;
-  u16 inside_port;
-  u16 protocol;
-  vl_api_nat_config_flags_t flags;
-  u64 last_heard;
-  u64 total_bytes;
-  u32 total_pkts;
-  vl_api_ip4_address_t ext_host_address;
-  u16 ext_host_port;
-  vl_api_ip4_address_t ext_host_nat_address;
-  u16 ext_host_nat_port;
-};
-
-/** \brief NAT44 load-balancing address and port pair
-    @param addr - IPv4 address of the internal node
-    @param port - L4 port number of the internal node
-    @param probability - probability of the internal node to be randomly matched
-    @param vrf_id - VRF id
-*/
-typedef nat44_lb_addr_port {
-  vl_api_ip4_address_t addr;
-  u16 port;
-  u8 probability;
-  u32 vrf_id;
-};
-
-/** \brief Add/delete NAT44 load-balancing static mapping rule
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param is_add - true if add, false if delete
-    @param flags - flag NAT_TWICE_NAT if NAT address range for external hosts,
-                   flag NAT_SELF_TWICE_NAT if translate external host address
-                   and port whenever external host address equals local
-                   address of internal host,
-                   flag NAT_OUT2IN_ONLY if rule match only out2in direction
-    @param external_addr - external IPv4 address of the service
-    @param external_port - external L4 port number of the service
-    @param protocol - IP protocol number of the service
-    @param affinity - if 0 disabled, otherwise client IP affinity sticky time
-                      in seconds
-    @param local_num - number of local network nodes
-    @param locals - local network nodes
-    @param tag - opaque string tag
-*/
-autoreply manual_endian define nat44_add_del_lb_static_mapping {
-  u32 client_index;
-  u32 context;
-  bool is_add;
-  vl_api_nat_config_flags_t flags;
-  vl_api_ip4_address_t external_addr;
-  u16 external_port;
-  u8 protocol;
-  u32 affinity;
-  string tag[64];
-  u32 local_num;
-  vl_api_nat44_lb_addr_port_t locals[local_num];
-};
-
-/** \brief Add/delete NAT44 load-balancing static mapping rule backend
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param is_add - true if add, false if delete
-    @param external_addr - external IPv4 address of the service
-    @param external_port - external L4 port number of the service
-    @param protocol - IP protocol number of the service
-    @param local - local network node
-*/
-autoreply define nat44_lb_static_mapping_add_del_local {
-  u32 client_index;
-  u32 context;
-  bool is_add;
-  vl_api_ip4_address_t external_addr;
-  u16 external_port;
-  u8 protocol;
-  vl_api_nat44_lb_addr_port_t local;
-};
-
-/** \brief Dump NAT44 load-balancing static mapping rules
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat44_lb_static_mapping_dump {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief NAT44 load-balancing static mapping rule details response
-    @param context - sender context, to match reply w/ request
-    @param external_addr - external IPv4 address of the service
-    @param external_port - external L4 port number of the service
-    @param protocol - IP protocol number of the service
-    @param flags - flag NAT_TWICE_NAT if NAT address range for external hosts,
-                   flag NAT_SELF_TWICE_NAT if translate external host address
-                   and port whenever external host address equals local
-                   address of internal host,
-                   flag NAT_OUT2IN_ONLY if rule match only out2in direction
-    @param affinity - if 0 disabled, otherwise client IP affinity sticky time
-                      in seconds
-    @param local_num - number of local network nodes
-    @param locals - local network nodes
-    @param tag - opaque string tag
-*/
-manual_endian define nat44_lb_static_mapping_details {
-  u32 context;
-  vl_api_ip4_address_t external_addr;
-  u16 external_port;
-  u8 protocol;
-  vl_api_nat_config_flags_t flags;
-  u32 affinity;
-  string tag[64];
-  u32 local_num;
-  vl_api_nat44_lb_addr_port_t locals[local_num];
-};
-
-/** \brief Delete NAT44 session
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param ip_address - IPv4 address
-    @param protocol - IP protocol
-    @param port - port number
-    @param vfr_id - VRF ID
-    @param flags - flag NAT_IS_INSIDE if interface is inside or
-                   interface is outside,
-                   flag NAT_IS_EXT_HOST_VALID if external host address and
-                   port are valid
-    @param ext_host_address - external host IPv4 address
-    @param ext_host_port - external host port
-*/
-autoreply define nat44_del_session {
-  u32 client_index;
-  u32 context;
-  vl_api_ip4_address_t address;
-  u8 protocol;
-  u16 port;
-  u32 vrf_id;
-  vl_api_nat_config_flags_t flags;
-  vl_api_ip4_address_t ext_host_address;
-  u16 ext_host_port;
-};
-
-/** \brief Enable/disable forwarding for NAT44
-    Forward packets which don't match existing translation
-    or static mapping instead of dropping them.
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param enable - true for enable, false for disable
-*/
-autoreply define nat44_forwarding_enable_disable {
-  u32 client_index;
-  u32 context;
-  bool enable;
-};
-
-/** \brief Check if forwarding is enabled or disabled
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-*/
-define nat44_forwarding_is_enabled {
-  u32 client_index;
-  u32 context;
-};
-
-/** \brief Response to check if forwarding is enabled or disabled
-    @param context - sender context, to match reply w/ request
-    @param enabled - true if enabled, false if disabled
-*/
-define nat44_forwarding_is_enabled_reply {
-  u32 context;
-  bool enabled;
-};