/* Vector of outside addresses */
snat_address_t *addresses;
+ /* Vector of twice NAT addresses for external hosts */
+ snat_address_t *twice_nat_addresses;
+
+ /* sw_if_indices whose intfc addresses should be auto-added */
+ u32 *auto_add_sw_if_indices;
+ u32 *auto_add_sw_if_indices_twice_nat;
+
/* Address and port allocation function */
nat_alloc_out_addr_and_port_function_t *alloc_addr_and_port;
/* Address and port allocation type */
/* vector of outside fibs */
nat_outside_fib_t *outside_fibs;
- /* Vector of twice NAT addresses for external hosts */
- snat_address_t *twice_nat_addresses;
-
- /* sw_if_indices whose intfc addresses should be auto-added */
- u32 *auto_add_sw_if_indices;
- u32 *auto_add_sw_if_indices_twice_nat;
-
/* vector of interface address static mappings to resolve. */
snat_static_map_resolve_t *to_resolve;
/** \brief Check if SNAT session is created from static mapping.
@param s SNAT session
- @return 1 if SNAT session is created from static mapping otherwise 0
+ @return true if SNAT session is created from static mapping otherwise 0
*/
-#define snat_is_session_static(s) (s->flags & SNAT_SESSION_FLAG_STATIC_MAPPING)
+always_inline bool
+nat44_ed_is_session_static (snat_session_t *s)
+{
+ return s->flags & SNAT_SESSION_FLAG_STATIC_MAPPING;
+}
/** \brief Check if SNAT session for unknown protocol.
@param s SNAT session
- @return 1 if SNAT session for unknown protocol otherwise 0
+ @return true if SNAT session for unknown protocol otherwise 0
*/
-#define snat_is_unk_proto_session(s) (s->flags & SNAT_SESSION_FLAG_UNKNOWN_PROTO)
+always_inline bool
+snat_is_unk_proto_session (snat_session_t *s)
+{
+ return s->flags & SNAT_SESSION_FLAG_UNKNOWN_PROTO;
+}
/** \brief Check if NAT session is twice NAT.
@param s NAT session
- @return 1 if NAT session is twice NAT
+ @return true if NAT session is twice NAT
*/
-#define is_twice_nat_session(s) (s->flags & SNAT_SESSION_FLAG_TWICE_NAT)
+always_inline bool
+nat44_ed_is_twice_nat_session (snat_session_t *s)
+{
+ return s->flags & SNAT_SESSION_FLAG_TWICE_NAT;
+}
/** \brief Check if NAT session is load-balancing.
@param s NAT session
- @return 1 if NAT session is load-balancing
+ @return true if NAT session is load-balancing
*/
-#define is_lb_session(s) (s->flags & SNAT_SESSION_FLAG_LOAD_BALANCING)
+always_inline bool
+nat44_ed_is_lb_session (snat_session_t *s)
+{
+ return s->flags & SNAT_SESSION_FLAG_LOAD_BALANCING;
+}
/** \brief Check if NAT session is forwarding bypass.
@param s NAT session
- @return 1 if NAT session is load-balancing
-*/
-#define is_fwd_bypass_session(s) (s->flags & SNAT_SESSION_FLAG_FWD_BYPASS)
-
-/** \brief Check if NAT session is endpoint dependent.
- @param s NAT session
- @return 1 if NAT session is endpoint dependent
+ @return true if NAT session is load-balancing
*/
-#define is_ed_session(s) (s->flags & SNAT_SESSION_FLAG_ENDPOINT_DEPENDENT)
+always_inline bool
+na44_ed_is_fwd_bypass_session (snat_session_t *s)
+{
+ return s->flags & SNAT_SESSION_FLAG_FWD_BYPASS;
+}
/** \brief Check if NAT session has affinity record.
@param s NAT session
- @return 1 if NAT session has affinity record
+ @return true if NAT session has affinity record
*/
-#define is_affinity_sessions(s) (s->flags & SNAT_SESSION_FLAG_AFFINITY)
+always_inline bool
+nat44_ed_is_affinity_session (snat_session_t *s)
+{
+ return s->flags & SNAT_SESSION_FLAG_AFFINITY;
+}
/** \brief Check if exact pool address should be used.
@param s SNAT session
- @return 1 if exact pool address or 0
+ @return true if exact pool address
*/
-#define is_exact_address_session(s) (s->flags & SNAT_SESSION_FLAG_EXACT_ADDRESS)
+always_inline bool
+nat44_ed_is_exact_address_session (snat_session_t *s)
+{
+ return s->flags & SNAT_SESSION_FLAG_EXACT_ADDRESS;
+}
/** \brief Check if NAT interface is inside.
@param i NAT interface
- @return 1 if inside interface
+ @return true if inside interface
*/
-#define nat_interface_is_inside(i) i->flags & NAT_INTERFACE_FLAG_IS_INSIDE
+always_inline bool
+nat44_ed_is_interface_inside (snat_interface_t *i)
+{
+ return i->flags & NAT_INTERFACE_FLAG_IS_INSIDE;
+}
/** \brief Check if NAT interface is outside.
@param i NAT interface
- @return 1 if outside interface
+ @return true if outside interface
*/
-#define nat_interface_is_outside(i) i->flags & NAT_INTERFACE_FLAG_IS_OUTSIDE
+always_inline bool
+nat44_ed_is_interface_outside (snat_interface_t *i)
+{
+ return i->flags & NAT_INTERFACE_FLAG_IS_OUTSIDE;
+}
/** \brief Check if NAT44 endpoint-dependent TCP session is closed.
@param s NAT session
- @return 1 if session is closed
+ @return true if session is closed
*/
-#define nat44_is_ses_closed(s) s->state == 0xf
+always_inline bool
+nat44_is_ses_closed (snat_session_t *s)
+{
+ return s->state == 0xf;
+}
/** \brief Check if client initiating TCP connection (received SYN from client)
@param t TCP header
- @return 1 if client initiating TCP connection
+ @return true if client initiating TCP connection
*/
always_inline bool
tcp_flags_is_init (u8 f)
#define nat_log_debug(...)\
vlib_log(VLIB_LOG_LEVEL_DEBUG, snat_main.log_class, __VA_ARGS__)
+clib_error_t *nat44_api_hookup (vlib_main_t *vm);
+
+int snat_set_workers (uword *bitmap);
+
+int nat44_plugin_enable (nat44_config_t c);
+int nat44_plugin_disable ();
+
+int nat44_ed_add_interface (u32 sw_if_index, u8 is_inside);
+int nat44_ed_del_interface (u32 sw_if_index, u8 is_inside);
+int nat44_ed_add_output_interface (u32 sw_if_index);
+int nat44_ed_del_output_interface (u32 sw_if_index);
+
+int nat44_ed_add_address (ip4_address_t *addr, u32 vrf_id, u8 twice_nat);
+int nat44_ed_del_address (ip4_address_t addr, u8 delete_sm, u8 twice_nat);
+int nat44_ed_add_interface_address (u32 sw_if_index, u8 twice_nat);
+int nat44_ed_del_interface_address (u32 sw_if_index, u8 twice_nat);
+
int nat44_ed_add_static_mapping (ip4_address_t l_addr, ip4_address_t e_addr,
u16 l_port, u16 e_port, nat_protocol_t proto,
u32 vrf_id, u32 sw_if_index, u32 flags,
nat_protocol_t proto, u32 vrf_id,
u8 probability, u8 is_add);
-/**
- * @brief Enable NAT44 plugin
- *
- * @param c nat44_config_t
- *
- * @return 0 on success, non-zero value otherwise
- */
-int nat44_plugin_enable (nat44_config_t c);
-
-/**
- * @brief Disable NAT44 plugin
- *
- * @return 0 on success, non-zero value otherwise
- */
-int nat44_plugin_disable ();
-
-/**
- * @brief Add external address to NAT44 pool
- *
- * @param sm snat global configuration data
- * @param addr IPv4 address
- * @param vrf_id VRF id of tenant, ~0 means independent of VRF
- * @param twice_nat 1 if twice NAT address
- *
- * @return 0 on success, non-zero value otherwise
- */
-int snat_add_address (snat_main_t * sm, ip4_address_t * addr, u32 vrf_id,
- u8 twice_nat);
-
-/**
- * @brief Delete external address from NAT44 pool
- *
- * @param sm snat global configuration data
- * @param addr IPv4 address
- * @param delete_sm 1 if delete static mapping using address
- * @param twice_nat 1 if twice NAT address
- *
- * @return 0 on success, non-zero value otherwise
- */
-int snat_del_address (snat_main_t * sm, ip4_address_t addr, u8 delete_sm,
- u8 twice_nat);
-
-clib_error_t *nat44_api_hookup (vlib_main_t * vm);
-
-/**
- * @brief Set NAT plugin workers
- *
- * @param bitmap NAT workers bitmap
- *
- * @return 0 on success, non-zero value otherwise
- */
-int snat_set_workers (uword * bitmap);
-
-int nat44_ed_add_interface (u32 sw_if_index, u8 is_inside);
-int nat44_ed_del_interface (u32 sw_if_index, u8 is_inside);
-int nat44_ed_add_output_interface (u32 sw_if_index);
-int nat44_ed_del_output_interface (u32 sw_if_index);
-
-/**
- * @brief Add/delete NAT44 pool address from specific interface
- *
- * @param sw_if_index software index of the interface
- * @param is_del 1 = delete, 0 = add
- * @param twice_nat 1 = twice NAT address for external hosts
- *
- * @return 0 on success, non-zero value otherwise
- */
-int snat_add_interface_address (snat_main_t * sm, u32 sw_if_index, int is_del,
- u8 twice_nat);
-
/**
* @brief Delete NAT44 endpoint-dependent session
*
*
* @return 0 on success, non-zero value otherwise
*/
-int nat44_del_ed_session (snat_main_t * sm, ip4_address_t * addr, u16 port,
- ip4_address_t * eh_addr, u16 eh_port, u8 proto,
+int nat44_ed_del_session (snat_main_t *sm, ip4_address_t *addr, u16 port,
+ ip4_address_t *eh_addr, u16 eh_port, u8 proto,
u32 vrf_id, int is_in);
/**
lb_nat_type_t *lb, ip4_address_t *ext_host_addr, u8 *is_identity_nat,
snat_static_mapping_t **out);
-/**
- * @brief Add/del NAT address to FIB.
- *
- * Add the external NAT address to the FIB as receive entries. This ensures
- * that VPP will reply to ARP for this address and we don't need to enable
- * proxy ARP on the outside interface.
- *
- * @param addr IPv4 address
- * @param plen address prefix length
- * @param sw_if_index software index of the outside interface
- * @param is_add 0 = delete, 1 = add.
- */
-void snat_add_del_addr_to_fib (ip4_address_t * addr,
- u8 p_len, u32 sw_if_index, int is_add);
-
-int nat_set_outside_address_and_port (snat_address_t *addresses,
- u32 thread_index, ip4_address_t addr,
- u16 port, nat_protocol_t protocol);
-
/*
* Why is this here? Because we don't need to touch this layer to
* simply reply to an icmp. We need to change id to a unique