* limitations under the License.
*/
-option version = "2.4.0";
+option version = "4.0.0";
/**
* @file nat.api
@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 endpoint_dependent - if 1 endpoint-dependent mode
+ @param out2in_dpo - if 1 out2in dpo mode
@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 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 dslite_ce - if DS-Lite is CE/B4 element, if 0 AFTR elemet
+ @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
{
u8 static_mapping_only;
u8 static_mapping_connection_tracking;
u8 deterministic;
+ u8 endpoint_dependent;
+ u8 out2in_dpo;
u32 translation_buckets;
u32 translation_memory_size;
u32 user_buckets;
u32 max_translations_per_user;
u32 outside_vrf_id;
u32 inside_vrf_id;
+ u8 dslite_ce;
+ u32 nat64_bib_buckets;
+ u32 nat64_bib_memory_size;
+ u32 nat64_st_buckets;
+ u32 nat64_st_memory_size;
};
/** \brief Set NAT workers
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 - disable(0)/enable(1) MSS rewriting feature
+*/
+autoreply define nat_set_mss_clamping {
+ u32 client_index;
+ u32 context;
+ u16 mss_value;
+ u8 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 - disable(0)/enable(1) MSS rewriting feature
+*/
+define nat_get_mss_clamping_reply {
+ u32 context;
+ i32 retval;
+ u16 mss_value;
+ u8 enable;
+};
+
/*
* NAT44 APIs
*/
@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 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 twice_nat - if 1 translate external host address and port, only for
1:1 NAPT (addr_only must be 0)
+ @param self_twice_nat - if 1 translate external host address and port
+ whenever external host address equals
+ local address of internal host
@param out2in_only - if 1 rule match only out2in direction
@param tag - opaque string tag
*/
u32 external_sw_if_index;
u32 vrf_id;
u8 twice_nat;
+ u8 self_twice_nat;
u8 out2in_only;
u8 tag[64];
};
@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 protocol - IP protocol, valid only if addr_only=0
+ @param local_port - local port number, valid only if addr_only=0
+ @param external_port - external port number, valid only if addr_only=0
@param external_sw_if_index - external interface
@param vfr_id - VRF ID
@param twice_nat - if 1 translate external host address and port
+ @param self_twice_nat - if 1 translate external host address and port
+ whenever external host address equals
+ local address of internal host
@param out2in_only - if 1 rule match only out2in direction
@param tag - opaque string tag
*/
u32 external_sw_if_index;
u32 vrf_id;
u8 twice_nat;
+ u8 self_twice_nat;
u8 out2in_only;
u8 tag[64];
};
@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 is_twicenat - 1 if session is twice-nat
+ @param ext_host_valid - 1 if external host address and port are valid
+ @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;
u64 last_heard;
u64 total_bytes;
u32 total_pkts;
+ u8 is_twicenat;
+ u8 ext_host_valid;
+ u8 ext_host_address[4];
+ u16 ext_host_port;
+ u8 ext_host_nat_address[4];
+ 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
+*/
typeonly manual_endian define nat44_lb_addr_port {
u8 addr[4];
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 - 1 if add, 0 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 twice_nat - if 1 translate external host address and port
+ @param self_twice_nat - if 1 translate external host address and port
+ whenever external host address equals
+ local address of internal host
+ @param out2in_only - if 1 rule match only out2in direction
+ @param tag - opaque string tag
+ @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
+*/
autoreply manual_endian define nat44_add_del_lb_static_mapping {
u32 client_index;
u32 context;
u8 external_addr[4];
u16 external_port;
u8 protocol;
- u32 vrf_id;
u8 twice_nat;
+ u8 self_twice_nat;
u8 out2in_only;
u8 tag[64];
+ u32 affinity;
u8 local_num;
vl_api_nat44_lb_addr_port_t locals[local_num];
};
+/** \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 is_add - 1 if add, 0 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 twice_nat - if 1 translate external host address and port
+ @param self_twice_nat - if 1 translate external host address and port
+ whenever external host address equals
+ local address of internal host
+ @param out2in_only - if 1 rule match only out2in direction
+ @param tag - opaque string tag
+ @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
+*/
manual_endian define nat44_lb_static_mapping_details {
u32 context;
u8 external_addr[4];
u16 external_port;
u8 protocol;
- u32 vrf_id;
u8 twice_nat;
+ u8 self_twice_nat;
u8 out2in_only;
u8 tag[64];
+ u32 affinity;
u8 local_num;
vl_api_nat44_lb_addr_port_t locals[local_num];
};
@param protocol - IP protocol
@param port - port number
@param vfr_id - VRF ID
+ @param ext_host_valid - 1 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;
u8 protocol;
u16 port;
u32 vrf_id;
+ u8 ext_host_valid;
+ u8 ext_host_address[4];
+ u16 ext_host_port;
};
/** \brief Enable/disable forwarding for NAT44
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 expire - session expiration timestamp
*/
define nat_det_session_details {
- u32 client_index;
u32 context;
u16 in_port;
u8 ext_addr[4];
u32 ses_num;
};
-/** \brief Set values of timeouts for NAT64 (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 icmp - ICMP timeout (default 60sec)
- @param tcp_trans - TCP transitory timeout (default 240sec)
- @param tcp_est - TCP established timeout (default 7440sec)
- @param tcp_incoming_syn - TCP incoming SYN timeout (default 6sec)
-*/
-autoreply define nat64_set_timeouts {
- u32 client_index;
- u32 context;
- u32 udp;
- u32 icmp;
- u32 tcp_trans;
- u32 tcp_est;
- u32 tcp_incoming_syn;
-};
-
-/** \brief Get values of timeouts for NAT64 (seconds)
- @param client_index - opaque cookie to identify the sender
- @param context - sender context, to match reply w/ request
-*/
-define nat64_get_timeouts {
- u32 client_index;
- u32 context;
-};
-
-/** \brief Get values of timeouts for NAT64 reply
- @param context - sender context, to match reply w/ request
- @param retval - return code
- @param udp - UDP timeout
- @param icmp - ICMP timeout
- @param tcp_trans - TCP transitory timeout
- @param tcp_est - TCP established timeout
- @param tcp_incoming_syn - TCP incoming SYN timeout
-*/
-define nat64_get_timeouts_reply {
- u32 context;
- i32 retval;
- u32 udp;
- u32 icmp;
- u32 tcp_trans;
- u32 tcp_est;
- u32 tcp_incoming_syn;
-};
-
/** \brief Dump NAT64 session table
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
u8 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;
+ u8 ip_address[4];
+};
+
/** \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
u8 ip4_addr[4];
u8 ip6_addr[16];
};
+
+/*
+ * 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 - 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 nat66_add_del_interface {
+ u32 client_index;
+ u32 context;
+ u8 is_add;
+ u8 is_inside;
+ u32 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 is_inside - 1 if inside, 0 if outside
+ @param sw_if_index - software index of the interface
+*/
+define nat66_interface_details {
+ u32 context;
+ u8 is_inside;
+ u32 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 - 1 if add, 0 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;
+ u8 is_add;
+ u8 local_ip_address[16];
+ u8 external_ip_address[16];
+ 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;
+ u8 local_ip_address[16];
+ u8 external_ip_address[16];
+ u32 vrf_id;
+ u64 total_bytes;
+ u64 total_pkts;
+};