/* * 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 = "5.1.0"; import "vnet/ip/ip_types.api"; import "vnet/interface_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 nat_config_flags : u8 { NAT_IS_NONE = 0x00, NAT_IS_TWICE_NAT = 0x01, NAT_IS_SELF_TWICE_NAT = 0x02, NAT_IS_OUT2IN_ONLY = 0x04, NAT_IS_ADDR_ONLY = 0x08, NAT_IS_OUTSIDE = 0x10, NAT_IS_INSIDE = 0x20, NAT_IS_STATIC = 0x40, NAT_IS_EXT_HOST_VALID = 0x80, }; /** \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 { 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 */ define nat_show_config_reply { 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; u32 user_memory_size; u32 max_translations_per_user; u32 outside_vrf_id; u32 inside_vrf_id; u32 nat64_bib_buckets; u32 nat64_bib_memory_size; u32 nat64_st_buckets; u32 nat64_st_memory_size; }; 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 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; }; /** \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 NAT virtual fragmentation reassembly @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param timeout - reassembly timeout @param max_reass - maximum number of concurrent reassemblies @param max_frag - maximum number of fragmets per reassembly @param drop_frag - if 0 translate fragments, otherwise drop fragments @param is_ip6 - true if IPv6, false if IPv4 */ autoreply define nat_set_reass { u32 client_index; u32 context; u32 timeout; u16 max_reass; u8 max_frag; u8 drop_frag; bool is_ip6; }; /** \brief Get NAT virtual fragmentation reassembly configuration @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request */ define nat_get_reass { u32 client_index; u32 context; }; /** \brief Get NAT virtual fragmentation reassembly configuration reply @param context - sender context, to match reply w/ request @param retval - return code @param ip4_timeout - reassembly timeout @param ip4_max_reass - maximum number of concurrent reassemblies @param ip4_max_frag - maximum number of fragmets per reassembly @param ip4_drop_frag - if 0 translate fragments, otherwise drop fragments @param ip6_timeout - reassembly timeout @param ip6_max_reass - maximum number of concurrent reassemblies @param ip6_max_frag - maximum number of fragmets per reassembly @param ip6_drop_frag - if 0 translate fragments, otherwise drop fragments */ define nat_get_reass_reply { u32 context; i32 retval; u32 ip4_timeout; u16 ip4_max_reass; u8 ip4_max_frag; u8 ip4_drop_frag; u32 ip6_timeout; u16 ip6_max_reass; u8 ip6_max_frag; u8 ip6_drop_frag; }; /** \brief Dump NAT virtual fragmentation reassemblies @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request */ define nat_reass_dump { u32 client_index; u32 context; }; /** \brief NAT virtual fragmentation reassemblies response @param context - sender context, to match reply w/ request @param src_addr - source IPv4 address @param dst_addr - destination IPv4 address @param frag_id - fragment ID @param proto - protocol @param frag_n - number of cached fragments */ define nat_reass_details { u32 context; vl_api_address_t src_addr; vl_api_address_t dst_addr; u32 frag_id; u8 proto; u8 frag_n; }; /** \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 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; }; /** \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; }; /** \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; }; /** \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; }; /** \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; u32 local_num; vl_api_nat44_lb_addr_port_t locals[local_num]; string tag; }; /** \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; u32 local_num; vl_api_nat44_lb_addr_port_t locals[local_num]; string tag; }; /** \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; }; /* * Deterministic NAT (CGN) APIs */ /** \brief Add/delete NAT deterministic 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 in_addr - inside IPv4 address @param in_plen - inside IPv4 address prefix length @param out_addr - outside IPv4 address @param out_plen - outside IPv4 address prefix length */ autoreply define nat_det_add_del_map { u32 client_index; u32 context; bool is_add; vl_api_ip4_address_t in_addr; u8 in_plen; vl_api_ip4_address_t out_addr; u8 out_plen; }; /** \brief Get outside address and port range from inside address @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param in_addr - inside IP address */ define nat_det_forward { u32 client_index; u32 context; vl_api_ip4_address_t in_addr; }; /** \brief Get outside address and port range from inside address @param context - sender context, to match reply w/ request @param retval - return code @param out_port_lo - outside port range start @param out_port_hi - outside port range end @param out_addr - outside IPv4 address */ define nat_det_forward_reply { u32 context; i32 retval; u16 out_port_lo; u16 out_port_hi; vl_api_ip4_address_t out_addr; }; /** \brief Get inside address from outside address and port @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param out_port - outside port @param out_addr - outside IPv4 address */ define nat_det_reverse { u32 client_index; u32 context; u16 out_port; vl_api_ip4_address_t out_addr; }; /** \brief Get inside address from outside address and port reply @param context - sender context, to match reply w/ request @param retval - return code @param in_addr - inside IP address */ define nat_det_reverse_reply { u32 context; i32 retval; vl_api_ip4_address_t in_addr; }; /** \brief Dump NAT deterministic mappings @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request */ define nat_det_map_dump { u32 client_index; u32 context; }; /** \brief NAT users response @param context - sender context, to match reply w/ request @param in_addr - inside IPv4 address @param in_plen - inside IPv4 address prefix length @param out_addr - outside IPv4 address @param out_plen - outside IPv4 address prefix length @param sharing_ratio - outside to inside address sharing ratio @param ports_per_host - number of ports available to a host @param ses_num - number of sessions belonging to this mapping */ define nat_det_map_details { u32 context; vl_api_ip4_address_t in_addr; u8 in_plen; vl_api_ip4_address_t out_addr; u8 out_plen; u32 sharing_ratio; u16 ports_per_host; u32 ses_num; }; /** \brief Close deterministic NAT session by outside address and port @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param out_addr - outside IPv4 address @param out_port - outside port @param ext_addr - external host IPv4 address @param ext_port - external host port */ autoreply define nat_det_close_session_out { u32 client_index; u32 context; vl_api_ip4_address_t out_addr; u16 out_port; vl_api_ip4_address_t ext_addr; u16 ext_port; }; /** \brief Close deterministic NAT session by inside address and port @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param in_addr - inside IP address @param in_port - inside port @param ext_addr - external host IP address @param ext_port - external host port */ autoreply define nat_det_close_session_in { u32 client_index; u32 context; vl_api_ip4_address_t in_addr; u16 in_port; vl_api_ip4_address_t ext_addr; u16 ext_port; }; /** \brief Dump determinstic NAT sessions @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param user_addr - address of an inside user whose sessions to dump */ define nat_det_session_dump { u32 client_index; u32 context; vl_api_ip4_address_t user_addr; }; /** \brief Deterministic NAT sessions reply @param context - sender context, to match reply w/ request @param in_port - inside port @param ext_addr - external host IPv4 address @param ext_port - external host port @param out_port - outside NAT port @param state - session state @param expire - session expiration timestamp */ define nat_det_session_details { u32 context; u16 in_port; vl_api_ip4_address_t ext_addr; u16 ext_port; u16 out_port; u8 state; u32 expire; }; /* * NAT64 APIs */ /** \brief Add/delete address range to NAT64 pool @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param start_addr - start IPv4 address of the range @param end_addr - end IPv4 address of the range @param vrf_id - VRF id of tenant, ~0 means independent of VRF @param is_add - true if add, false if delete */ autoreply define nat64_add_del_pool_addr_range { u32 client_index; u32 context; vl_api_ip4_address_t start_addr; vl_api_ip4_address_t end_addr; u32 vrf_id; bool is_add; }; /** \brief Dump NAT64 pool addresses @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request */ define nat64_pool_addr_dump { u32 client_index; u32 context; }; /** \brief NAT64 pool address details response @param context - sender context, to match reply w/ request @param address - IPv4 address @param vfr_id - VRF id of tenant, ~0 means independent of VRF */ define nat64_pool_addr_details { u32 context; vl_api_ip4_address_t address; u32 vrf_id; }; /** \brief Enable/disable NAT64 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 - index of the interface */ autoreply define nat64_add_del_interface { 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 NAT64 feature @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request */ define nat64_interface_dump { u32 client_index; u32 context; }; /** \brief NAT64 interface details response @param context - sender context, to match reply w/ request @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 @param sw_if_index - index of the interface */ define nat64_interface_details { u32 context; vl_api_nat_config_flags_t flags; vl_api_interface_index_t sw_if_index; }; /** \brief Add/delete NAT64 static BIB entry @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param i_addr - inside IPv6 address @param o_addr - outside IPv4 address @param i_port - inside port number @param o_port - outside port number @param vrf_id - VRF id of tenant @param proto - protocol number @param is_add - true if add, false if delete */ autoreply define nat64_add_del_static_bib { u32 client_index; u32 context; vl_api_ip6_address_t i_addr; vl_api_ip4_address_t o_addr; u16 i_port; u16 o_port; u32 vrf_id; u8 proto; bool is_add; }; /** \brief Dump NAT64 BIB @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param proto - protocol of the BIB: 255 - all BIBs 6 - TCP BIB 17 - UDP BIB 1/58 - ICMP BIB otherwise - "unknown" protocol BIB */ define nat64_bib_dump { u32 client_index; u32 context; u8 proto; }; /** \brief NAT64 BIB details response @param context - sender context, to match reply w/ request @param i_addr - inside IPv6 address @param o_addr - outside IPv4 address @param i_port - inside port number @param o_port - outside port number @param vrf_id - VRF id of tenant @param proto - protocol number @param flags - flag NAT_IS_STATIC if BIB entry is static or BIB entry is dynamic @param ses_num - number of sessions associated with the BIB entry */ define nat64_bib_details { u32 context; vl_api_ip6_address_t i_addr; vl_api_ip4_address_t o_addr; u16 i_port; u16 o_port; u32 vrf_id; u8 proto; vl_api_nat_config_flags_t flags; u32 ses_num; }; /** \brief Dump NAT64 session table @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param proto - protocol of the session table: 255 - all STs 6 - TCP ST 17 - UDP ST 1/58 - ICMP ST otherwise - "unknown" proto ST */ define nat64_st_dump { u32 client_index; u32 context; u8 proto; }; /** \brief NAT64 session table details response @param context - sender context, to match reply w/ request @param il_addr - inside IPv6 address of the local host @param ol_addr - outside IPv4 address of the local host @param il_port - inside port number id of the local host/inside ICMP id @param ol_port - outside port number of the local host/outside ICMP id @param ir_addr - inside IPv6 address of the remote host @param or_addr - outside IPv4 address of the remote host @param r_port - port number of the remote host (not used for ICMP) @param vrf_id - VRF id of tenant @param proto - protocol number */ define nat64_st_details { u32 context; vl_api_ip6_address_t il_addr; vl_api_ip4_address_t ol_addr; u16 il_port; u16 ol_port; vl_api_ip6_address_t ir_addr; vl_api_ip4_address_t or_addr; u16 r_port; u32 vrf_id; u8 proto; }; /** \brief Add/del NAT64 prefix @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param prefix - NAT64 prefix @param vrf_id - VRF id of tenant @param is_add - true if add, false if delete */ autoreply define nat64_add_del_prefix { u32 client_index; u32 context; vl_api_ip6_prefix_t prefix; u32 vrf_id; bool is_add; }; /** \brief Dump NAT64 prefix @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request */ define nat64_prefix_dump { u32 client_index; u32 context; }; /** \brief Dump NAT64 prefix details response @param context - sender context, to match reply w/ request @param prefix - NAT64 prefix @param vrf_id - VRF id of tenant */ define nat64_prefix_details { u32 context; vl_api_ip6_prefix_t prefix; u32 vrf_id; }; /** \brief Add/delete NAT64 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 */ autoreply define nat64_add_del_interface_addr { u32 client_index; u32 context; bool is_add; vl_api_interface_index_t sw_if_index; }; /* * DS-Lite APIs */ /** \brief Add/delete address range to DS-Lite pool @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param start_addr - start IPv4 address of the range @param end_addr - end IPv4 address of the range @param is_add - true if add, false if delete */ autoreply define dslite_add_del_pool_addr_range { u32 client_index; u32 context; vl_api_ip4_address_t start_addr; vl_api_ip4_address_t end_addr; bool is_add; }; /** \brief Dump DS-Lite addresses @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request */ define dslite_address_dump { u32 client_index; u32 context; }; /** \brief DS-Lite address details response @param context - sender context, to match reply w/ request @param ip_address - IPv4 address */ define dslite_address_details { u32 context; vl_api_ip4_address_t ip_address; }; /** \brief Set AFTR IPv6 and IPv4 addresses @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param ip4_addr - IPv4 address @param ip6_addr - IPv6 address */ autoreply define dslite_set_aftr_addr { u32 client_index; u32 context; vl_api_ip4_address_t ip4_addr; vl_api_ip6_address_t ip6_addr; }; /** \brief Get AFTR IPv6 and IPv4 addresses @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request */ define dslite_get_aftr_addr { u32 client_index; u32 context; }; /** \brief Response to get AFTR IPv6 and IPv4 addresses @param context - sender context, to match reply w/ request @param retval - return code @param ip4_addr - IPv4 address @param ip6_addr - IPv6 address */ define dslite_get_aftr_addr_reply { u32 context; i32 retval; vl_api_ip4_address_t ip4_addr; vl_api_ip6_address_t ip6_addr; }; /** \brief Set B4 IPv6 and IPv4 addresses @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param ip4_addr - IPv4 address @param ip6_addr - IPv6 address */ autoreply define dslite_set_b4_addr { u32 client_index; u32 context; vl_api_ip4_address_t ip4_addr; vl_api_ip6_address_t ip6_addr; }; /** \brief Get B4 IPv6 and IPv4 addresses @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request */ define dslite_get_b4_addr { u32 client_index; u32 context; }; /** \brief Response to get B4 IPv6 and IPv4 addresses @param context - sender context, to match reply w/ request @param retval - return code @param ip4_addr - IPv4 address @param ip6_addr - IPv6 address */ define dslite_get_b4_addr_reply { u32 context; i32 retval; vl_api_ip4_address_t ip4_addr; vl_api_ip6_address_t ip6_addr; }; /* * NAT66 APIs */ /** \brief Enable/disable NAT66 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 or interface is outside, @param sw_if_index - software index of the interface */ autoreply define nat66_add_del_interface { 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 NAT66 feature @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request */ define nat66_interface_dump { u32 client_index; u32 context; }; /** \brief NAT66 interface details response @param context - sender context, to match reply w/ request @param flags - flag NAT_IS_INSIDE if interface is inside or interface is outside, @param sw_if_index - software index of the interface */ define nat66_interface_details { u32 context; vl_api_nat_config_flags_t flags; vl_api_interface_index_t sw_if_index; }; /** \brief Add/delete 1:1 NAT66 @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 local_ip_address - local IPv6 address @param external_ip_address - external IPv6 address @param vrf_id - VRF id of tenant */ autoreply define nat66_add_del_static_mapping { u32 client_index; u32 context; bool is_add; vl_api_ip6_address_t local_ip_address; vl_api_ip6_address_t external_ip_address; u32 vrf_id; }; /** \brief Dump NAT66 static mappings @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request */ define nat66_static_mapping_dump { u32 client_index; u32 context; }; /** \brief NAT66 static mapping details response @param context - sender context, to match reply w/ request @param local_ip_address - local IPv6 address @param external_ip_address - external IPv6 address @param vrf_id - VRF id of tenant @param total_bytes - count of bytes sent through static mapping @param total_pkts - count of pakets sent through static mapping */ define nat66_static_mapping_details { u32 context; vl_api_ip6_address_t local_ip_address; vl_api_ip6_address_t external_ip_address; u32 vrf_id; u64 total_bytes; u64 total_pkts; };