* limitations under the License.
*/
-option version = "2.4.1";
+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;
+};
+
/*
* NAT44 APIs
*/
@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
u8 addr[4];
u16 port;
u8 probability;
+ u32 vrf_id;
};
/** \brief Add/delete NAT44 load-balancing static mapping rule
@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 vrf_id - internal network 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
u8 external_addr[4];
u16 external_port;
u8 protocol;
- u32 vrf_id;
u8 twice_nat;
u8 self_twice_nat;
u8 out2in_only;
@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 vrf_id - internal network 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
u8 external_addr[4];
u16 external_port;
u8 protocol;
- u32 vrf_id;
u8 twice_nat;
u8 self_twice_nat;
u8 out2in_only;
@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