--- /dev/null
+/*
+ * Copyright (c) 2020 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/lib/nat_types.api";
+
+/**
+ * @file nat44.api
+ * @brief VPP control-plane API messages.
+ *
+ * This file defines VPP control-plane API messages which are generally
+ * called through a shared memory interface.
+ */
+
+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
+{
+ option deprecated;
+ 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
+{
+ option deprecated;
+ 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;
+};
+
+/** \brief Show NAT44 plugin running config
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+*/
+define nat44_show_running_config
+{
+ option in_progress;
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief Show NAT44 plugin running config reply
+ @param context - sender context, to match reply w/ request
+ @param retval - return code for the request
+ @param inside_vrf - default inside VRF id
+ @param outside_vrf - outside VRF id
+ @param users - maximum number of users per worker thread
+ (NAT44_IS_ENDPOINT_INDEPENDENT)
+ @param sessions - maximum number of sessions per worker thread
+ @param user_sessions - maximum number of sessions per user
+ (NAT44_IS_ENDPOINT_INDEPENDENT)
+ @param user_buckets - number of user hash buckets
+ (NAT44_IS_ENDPOINT_INDEPENDENT)
+ @param translation_buckets - number of translation hash buckets
+ @param flags - flag NAT44_IS_ENDPOINT_INDEPENDENT,
+ NAT44_IS_ENDPOINT_DEPENDENT,
+ NAT44_IS_STATIC_MAPPING_ONLY,
+ NAT44_IS_CONNECTION_TRACKING,
+ NAT44_IS_OUT2IN_DPO
+*/
+define nat44_show_running_config_reply
+{
+ option in_progress;
+ u32 context;
+ i32 retval;
+ u32 inside_vrf;
+ u32 outside_vrf;
+ u32 users;
+ u32 sessions;
+ u32 user_sessions;
+ u32 user_buckets;
+ u32 translation_buckets;
+ bool forwarding_enabled;
+ bool ipfix_logging_enabled;
+ vl_api_nat_timeouts_t timeouts;
+ vl_api_nat_log_level_t log_level;
+ vl_api_nat44_config_flags_t flags;
+};
+
+/** \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 {
+ option deprecated;
+ 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 {
+ option deprecated;
+ 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 {
+ option deprecated;
+ 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 {
+ option deprecated;
+ 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 {
+ option deprecated;
+ 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 {
+ option deprecated;
+ 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;
+};
+
+/** \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 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 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
+*/
+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 {
+ option deprecated;
+ 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 {
+ option deprecated;
+ 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 {
+ option deprecated;
+ u32 context;
+ bool enabled;
+};
+
+/** \brief Set NAT handoff frame queue options
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param frame_queue_nelts - number of worker handoff frame queue elements
+*/
+autoreply define nat44_ed_set_fq_options {
+ option in_progress;
+ u32 client_index;
+ u32 context;
+ u32 frame_queue_nelts;
+};
+
+/** \brief Show NAT handoff frame queue options
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+*/
+define nat44_ed_show_fq_options
+{
+ option in_progress;
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief Show NAT handoff frame queue options reply
+ @param context - sender context, to match reply w/ request
+ @param retval - return code for the request
+ @param frame_queue_nelts - number of worker handoff frame queue elements
+*/
+define nat44_ed_show_fq_options_reply
+{
+ option in_progress;
+ u32 context;
+ i32 retval;
+ u32 frame_queue_nelts;
+};
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