* limitations under the License.
*/
/**
- * @file snat.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.
*/
-/** \brief Add/del S-NAT address range
+/*
+ * Old "snat" APIs, will be deprecated after 17.10
+ */
+
+/** \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 is_ip4 - 1 if address type is IPv4
u8 is_add;
};
-/** \brief Dump S-NAT addresses
+/** \brief Dump NAT44 addresses
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
*/
u32 context;
};
-/** \brief S-NAT address details response
+/** \brief NAT44 address details response
@param context - sender context, to match reply w/ request
@param is_ip4 - 1 if address type is IPv4
@param ip_address - IP address
u32 vrf_id;
};
-/** \brief Enable/disable S-NAT feature on the interface
+/** \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 - 1 if add, 0 if delete
u32 sw_if_index;
};
-/** \brief Dump interfaces with S-NAT feature
+/** \brief Dump interfaces with NAT44 feature
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
*/
u32 context;
};
-/** \brief S-NAT interface details response
+/** \brief NAT44 interface details response
@param context - sender context, to match reply w/ request
@param is_inside - 1 if inside, 0 if outside
@param sw_if_index - software index of the interface
u32 sw_if_index;
};
-/** \brief Enable/disbale S-NAT as an interface output feature (postrouting
+/** \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
u32 sw_if_index;
};
-/** \brief Dump interfaces with S-NAT output feature
+/** \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
*/
u32 context;
};
-/** \brief S-NAT interface with output feature details response
+/** \brief NAT44 interface with output feature details response
@param context - sender context, to match reply w/ request
@param is_inside - 1 if inside, 0 if outside
@param sw_if_index - software index of the interface
u32 sw_if_index;
};
-/** \brief Add/delete S-NAT static mapping
+/** \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 - 1 if add, 0 if delete
u32 vrf_id;
};
-/** \brief Dump S-NAT static mappings
+/** \brief Dump NAT44 static mappings
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
*/
u32 context;
};
-/** \brief S-NAT static mapping details response
+/** \brief NAT44 static mapping details response
@param context - sender context, to match reply w/ request
@param is_ip4 - 1 if address type is IPv4
@param addr_only - 1 if address only mapping
u32 vpe_pid;
};
-/** \brief Show S-NAT plugin startup config
+/** \brief Show NAT plugin startup config
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
*/
u32 context;
};
-/** \brief Show S-NAT plugin startup config reply
+/** \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 1 dynamic translations disabled
u32 inside_vrf_id;
};
-/** \brief Set S-NAT workers
+/** \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 - S-NAT workers mask
+ @param worker_mask - NAT workers mask
*/
autoreply define snat_set_workers {
u32 client_index;
u64 worker_mask;
};
-/** \brief Dump S-NAT workers
+/** \brief Dump NAT workers
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
*/
u32 context;
};
-/** \brief S-NAT workers details response
+/** \brief NAT workers details response
@param context - sender context, to match reply w/ request
@param worker_index - worker index
@param lcore_id - lcore ID
u8 name[64];
};
-/** \brief Add/delete S-NAT pool address from specific interfce
+/** \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 - 1 if add, 0 if delete
u32 sw_if_index;
};
-/** \brief Dump S-NAT pool addresses interfaces
+/** \brief Dump NAT44 pool addresses interfaces
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
*/
u32 context;
};
-/** \brief S-NAT pool addresses interfaces details response
+/** \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
*/
u32 sw_if_index;
};
-/** \brief Enable/disable S-NAT IPFIX logging
+/** \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
u8 enable;
};
-/** \brief Dump S-NAT users
+/** \brief Dump NAT44 users
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
*/
u32 context;
};
-/** \brief S-NAT users response
+/** \brief NAT44 users response
@param context - sender context, to match reply w/ request
@vrf_id - VRF ID
@param is_ip4 - 1 if address type is IPv4
u32 nstaticsessions;
};
-/** \brief S-NAT user's sessions
+/** \brief NAT44 user's sessions
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
@param is_ip4 - 1 if address type is IPv4
u32 vrf_id;
};
-/** \brief S-NAT user's sessions response
+/** \brief NAT44 user's sessions response
@param context - sender context, to match reply w/ request
@param is_ip4 - 1 if address type is IPv4
@param outside_ip_address - outside IP address
u32 total_pkts;
};
-/** \brief Add/delete S-NAT deterministic mapping
+/** \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 - 1 if add, 0 if delete
u8 in_addr[16];
};
-/** \brief Dump S-NAT deterministic mappings
+/** \brief Dump NAT deterministic mappings
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
*/
u32 context;
};
-/** \brief S-NAT users response
+/** \brief NAT users response
@param context - sender context, to match reply w/ request
@param is_ip4 - 1 if address type is IPv4
@param in_addr - inside IP address
u32 icmp;
};
-/** \brief Close CGNAT session by outside address and port
+/** \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 is_ip4 - 1 if address type is IPv4
u16 ext_port;
};
-/** \brief Close CGNAT session by inside address and 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 is_ip4 - 1 if address type is IPv4
u16 ext_port;
};
-/** \brief Dump S-NAT deterministic sessions
+/** \brief Dump determinstic NAT sessions
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
@param is_ip4 - 1 if address type is IPv4
u8 user_addr[16];
};
-/** \brief S-NAT deterministic sessions reply
+/** \brief Deterministic NAT sessions reply
@param context - sender context, to match reply w/ request
@param is_ip4 - 1 if address type is IPv4
@param in_port - inside port
u32 expire;
};
+/*
+ * Common NAT plugin APIs
+ */
+
+/** \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 1 dynamic translations disabled
+ @param static_mapping_connection_tracking - if 1 create session data
+ @param deterministic - if 1 deterministic mapping
+ @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
+*/
+define nat_show_config_reply
+{
+ u32 context;
+ i32 retval;
+ u8 static_mapping_only;
+ u8 static_mapping_connection_tracking;
+ u8 deterministic;
+ 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;
+};
+
+/** \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;
+ u8 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 - 1 if enable, 0 if disable
+*/
+autoreply define nat_ipfix_enable_disable {
+ u32 client_index;
+ u32 context;
+ u32 domain_id;
+ u16 src_port;
+ u8 enable;
+};
+
+/*
+ * 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 - 1 if add, 0 if delete
+*/
+autoreply define nat44_add_del_address_range {
+ u32 client_index;
+ u32 context;
+ u8 first_ip_address[4];
+ u8 last_ip_address[4];
+ u32 vrf_id;
+ u8 is_add;
+};
+
+/** \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 vrf_id - VRF id of tenant, ~0 means independent of VRF
+*/
+define nat44_address_details {
+ u32 context;
+ u8 ip_address[4];
+ 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 - 1 if add, 0 if delete
+ @param is_inside - 1 if inside, 0 if outside
+ @param sw_if_index - software index of the interface
+*/
+autoreply define nat44_interface_add_del_feature {
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u8 is_inside;
+ u32 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 is_inside - 1 if inside, 0 if outside
+ @param sw_if_index - software index of the interface
+*/
+define nat44_interface_details {
+ u32 context;
+ u8 is_inside;
+ u32 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 - 1 if add, 0 if delete
+ @param is_inside - 1 if inside, 0 if outside
+ @param sw_if_index - software index of the interface
+*/
+autoreply define nat44_interface_add_del_output_feature {
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u8 is_inside;
+ u32 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 is_inside - 1 if inside, 0 if outside
+ @param sw_if_index - software index of the interface
+*/
+define nat44_interface_output_feature_details {
+ u32 context;
+ u8 is_inside;
+ u32 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 - 1 if add, 0 if delete
+ @param addr_only - 1 if address only mapping
+ @param local_ip_address - local IPv4 address
+ @param external_ip_address - external IPv4 address
+ @param protocol - IP protocol
+ @param local_port - local port number
+ @param external_port - external port number
+ @param external_sw_if_index - external interface (if set
+ external_ip_address is ignored, ~0 means not
+ used)
+ @param vfr_id - VRF ID
+*/
+autoreply define nat44_add_del_static_mapping {
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u8 addr_only;
+ u8 local_ip_address[4];
+ u8 external_ip_address[4];
+ u8 protocol;
+ u16 local_port;
+ u16 external_port;
+ u32 external_sw_if_index;
+ u32 vrf_id;
+};
+
+/** \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 addr_only - 1 if address only mapping
+ @param local_ip_address - local IPv4 address
+ @param external_ip_address - external IPv4 address
+ @param protocol - IP protocol
+ @param local_port - local port number
+ @param external_port - external port number
+ @param external_sw_if_index - external interface
+ @param vfr_id - VRF ID
+*/
+define nat44_static_mapping_details {
+ u32 context;
+ u8 addr_only;
+ u8 local_ip_address[4];
+ u8 external_ip_address[4];
+ u8 protocol;
+ u16 local_port;
+ u16 external_port;
+ u32 external_sw_if_index;
+ u32 vrf_id;
+};
+
+/** \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 - 1 if add, 0 if delete
+ @param sw_if_index - software index of the interface
+*/
+autoreply define nat44_add_del_interface_addr {
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u8 is_inside;
+ u32 sw_if_index;
+};
+
+/** \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
+*/
+define nat44_interface_addr_details {
+ u32 context;
+ u32 sw_if_index;
+};
+
+/** \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_adress - IPv4 address
+ @param nsessions - number of dynamic sessions
+ @param nstaticsessions - number of static sessions
+*/
+define nat44_user_details {
+ u32 context;
+ u32 vrf_id;
+ u8 ip_address[4];
+ 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 is_ip4 - 1 if address type is IPv4
+ @param user_ip - IP address of the user to dump
+ @param vrf_id - VRF_ID
+*/
+define nat44_user_session_dump {
+ u32 client_index;
+ u32 context;
+ u8 ip_address[4];
+ 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 is_static - 1 if session is static
+ @param last_heard - last heard timer
+ @param total_bytes - count of bytes sent through session
+ @param total_pkts - count of pakets sent through session
+*/
+define nat44_user_session_details {
+ u32 context;
+ u8 outside_ip_address[4];
+ u16 outside_port;
+ u8 inside_ip_address[4];
+ u16 inside_port;
+ u16 protocol;
+ u8 is_static;
+ u64 last_heard;
+ u64 total_bytes;
+ u32 total_pkts;
+};
+
+/*
+ * 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 - 1 if add, 0 if delete
+ @param is_nat44 - 1 if NAT44
+ @param in_addr - inside IP address
+ @param in_plen - inside IP address prefix length
+ @param out_addr - outside IPv4 address
+ @param out_addr - outside IPv4 address prefix length
+*/
+autoreply define nat_det_add_del_map {
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u8 is_nat44;
+ u8 addr_only;
+ u8 in_addr[16];
+ u8 in_plen;
+ u8 out_addr[4];
+ 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 is_nat44 - 1 if NAT44
+ @param in_addr - inside IP address
+*/
+define nat_det_forward {
+ u32 client_index;
+ u32 context;
+ u8 is_nat44;
+ u8 in_addr[16];
+};
+
+/** \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;
+ u8 out_addr[4];
+};
+
+/** \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;
+ u8 out_addr[4];
+};
+
+/** \brief Get inside address from outside address and port reply
+ @param context - sender context, to match reply w/ request
+ @param retval - return code
+ @param is_nat44 - 1 if NAT44
+ @param in_addr - inside IP address
+*/
+define nat_det_reverse_reply {
+ u32 context;
+ i32 retval;
+ u8 is_nat44;
+ u8 in_addr[16];
+};
+
+/** \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 is_nat44 - 1 if NAT44
+ @param in_addr - inside IP address
+ @param in_plen - inside IP 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;
+ u8 is_nat44;
+ u8 in_addr[16];
+ u8 in_plen;
+ u8 out_addr[4];
+ u8 out_plen;
+ u32 sharing_ratio;
+ u16 ports_per_host;
+ u32 ses_num;
+};
+
+/** \brief Set values of timeouts for deterministic NAT (seconds, 0 = default)
+ @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_det_set_timeouts {
+ u32 client_index;
+ u32 context;
+ u32 udp;
+ u32 tcp_established;
+ u32 tcp_transitory;
+ u32 icmp;
+};
+
+/** \brief Get values of timeouts for deterministic NAT (seconds)
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+*/
+define nat_det_get_timeouts {
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief Get values of timeouts for deterministic NAT reply
+ @param context - sender context, to match reply w/ request
+ @param retval - return code
+ @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)
+*/
+define nat_det_get_timeouts_reply {
+ u32 context;
+ i32 retval;
+ u32 udp;
+ u32 tcp_established;
+ u32 tcp_transitory;
+ u32 icmp;
+};
+
+/** \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;
+ u8 out_addr[4];
+ u16 out_port;
+ u8 ext_addr[4];
+ 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 is_nat44 - 1 if NAT44
+ @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;
+ u8 is_nat44;
+ u8 in_addr[16];
+ u16 in_port;
+ u8 ext_addr[16];
+ 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 is_nat44 - 1 if NAT44
+ @param user_addr - address of an inside user whose sessions to dump
+*/
+define nat_det_session_dump {
+ u32 client_index;
+ u32 context;
+ u8 is_nat44;
+ u8 user_addr[16];
+};
+
+/** \brief Deterministic NAT sessions reply
+ @param context - sender context, to match reply w/ request
+ @param in_port - inside port
+ @param ext_addr - external host 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 client_index;
+ u32 context;
+ u16 in_port;
+ u8 ext_addr[4];
+ 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