nat44_ei.h File Reference

NAT44 endpoint independent plugin declarations. More...

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Data Structures
struct	nat44_ei_address_t
struct	icmp_echo_header_t
struct	tcp_udp_header_t
struct	nat44_ei_user_key_t
struct	nat44_ei_config_t
struct	nat44_ei_static_map_resolve_t
struct	nat44_ei_lb_addr_port_t
struct	nat44_ei_static_mapping_t
struct	nat44_ei_interface_t
struct	nat44_ei_fib_t
struct	nat44_ei_outside_fib_t
struct	nat44_ei_main_per_thread_data_t
struct	nat44_ei_runtime_t
struct	nat44_ei_is_idle_session_ctx_t
struct	nat44_ei_main_s

Macros
#define	NAT_FQ_NELTS_DEFAULT   64
#define	foreach_nat44_ei_addr_and_port_alloc_alg
#define	NAT44_EI_INTERFACE_FLAG_IS_INSIDE   (1 << 0)
#define	NAT44_EI_INTERFACE_FLAG_IS_OUTSIDE   (1 << 1)
#define	NAT44_EI_SESSION_FLAG_STATIC_MAPPING   (1 << 0)
#define	NAT44_EI_SESSION_FLAG_UNKNOWN_PROTO   (1 << 1)
#define	NAT44_EI_STATIC_MAPPING_FLAG_ADDR_ONLY   (1 << 0)
#define	NAT44_EI_STATIC_MAPPING_FLAG_IDENTITY_NAT   (1 << 1)
#define	nat44_ei_is_session_static(sp)   (sp->flags & NAT44_EI_SESSION_FLAG_STATIC_MAPPING)
#define	nat44_ei_is_unk_proto_session(sp)   (sp->flags & NAT44_EI_SESSION_FLAG_UNKNOWN_PROTO)
#define	nat44_ei_interface_is_inside(ip)   (ip->flags & NAT44_EI_INTERFACE_FLAG_IS_INSIDE)
#define	nat44_ei_interface_is_outside(ip)   (ip->flags & NAT44_EI_INTERFACE_FLAG_IS_OUTSIDE)
#define	nat44_ei_is_addr_only_static_mapping(mp)   (mp->flags & NAT44_EI_STATIC_MAPPING_FLAG_ADDR_ONLY)
#define	nat44_ei_is_identity_static_mapping(mp)   (mp->flags & NAT44_EI_STATIC_MAPPING_FLAG_IDENTITY_NAT)
#define	nat44_ei_log_err(...)   vlib_log (VLIB_LOG_LEVEL_ERR, nat44_ei_main.log_class, __VA_ARGS__)
#define	nat44_ei_log_warn(...)   vlib_log (VLIB_LOG_LEVEL_WARNING, nat44_ei_main.log_class, __VA_ARGS__)
#define	nat44_ei_log_notice(...)   vlib_log (VLIB_LOG_LEVEL_NOTICE, nat44_ei_main.log_class, __VA_ARGS__)
#define	nat44_ei_log_info(...)   vlib_log (VLIB_LOG_LEVEL_INFO, nat44_ei_main.log_class, __VA_ARGS__)
#define	nat44_ei_log_debug(...)   vlib_log (VLIB_LOG_LEVEL_DEBUG, nat44_ei_main.log_class, __VA_ARGS__)

Typedefs
typedef int()	nat44_ei_alloc_out_addr_and_port_function_t(nat44_ei_address_t *addresses, u32 fib_index, u32 thread_index, nat_protocol_t proto, ip4_address_t s_addr, ip4_address_t *addr, u16 *port, u16 port_per_thread, u32 snat_thread_index)
typedef struct nat44_ei_main_s	nat44_ei_main_t

Enumerations
enum	nat44_ei_addr_and_port_alloc_alg_t { foreach_nat44_ei_addr_and_port_alloc_alg }

Functions
clib_error_t *	nat44_ei_api_hookup (vlib_main_t *vm)
typedef	CLIB_PACKED (struct { struct { ip4_address_t addr;u32 fib_index;u16 port;} out2in;struct { ip4_address_t addr;u32 fib_index;u16 port;} in2out;nat_protocol_t nat_proto;u32 flags;u32 per_user_index;u32 per_user_list_head_index;u32 lru_head_index;u32 lru_index;f64 last_lru_update;f64 last_heard;f64 ha_last_refreshed;u64 total_bytes;u32 total_pkts;ip4_address_t ext_host_addr;u16 ext_host_port;ip4_address_t ext_host_nat_addr;u16 ext_host_nat_port;u8 state;u32 i2o_fin_seq;u32 o2i_fin_seq;u64 tcp_closed_timestamp;u32 user_index;}) nat44_ei_session_t
typedef	CLIB_PACKED (struct { ip4_address_t addr;u32 fib_index;u32 sessions_per_user_list_head_index;u32 nsessions;u32 nstaticsessions;}) nat44_ei_user_t
int	nat44_ei_plugin_enable (nat44_ei_config_t c)
int	nat44_ei_plugin_disable ()
int	nat44_ei_user_del (ip4_address_t *addr, u32 fib_index)
	Delete specific NAT44 EI user and his sessions. More...
void	nat44_ei_static_mapping_del_sessions (nat44_ei_main_t *nm, nat44_ei_main_per_thread_data_t *tnm, nat44_ei_user_key_t u_key, int addr_only, ip4_address_t e_addr, u16 e_port)
	Delete session for static mapping. More...
u32	nat44_ei_get_in2out_worker_index (ip4_header_t *ip0, u32 rx_fib_index0, u8 is_output)
u32	nat44_ei_get_out2in_worker_index (vlib_buffer_t *b, ip4_header_t *ip0, u32 rx_fib_index0, u8 is_output)
void	nat44_ei_set_alloc_default (void)
	Set address and port assignment algorithm to default/standard. More...
void	nat44_ei_set_alloc_mape (u16 psid, u16 psid_offset, u16 psid_length)
	Set address and port assignment algorithm for MAP-E CE. More...
void	nat44_ei_set_alloc_range (u16 start_port, u16 end_port)
	Set address and port assignment algorithm for port range. More...
int	nat44_ei_add_del_static_mapping (ip4_address_t l_addr, ip4_address_t e_addr, u16 l_port, u16 e_port, nat_protocol_t proto, u32 sw_if_index, u32 vrf_id, u8 addr_only, u8 identity_nat, u8 *tag, u8 is_add)
	Add/delete NAT44-EI static mapping. More...
int	nat44_ei_del_session (nat44_ei_main_t *nm, ip4_address_t *addr, u16 port, nat_protocol_t proto, u32 vrf_id, int is_in)
	Delete NAT44-EI session. More...
int	nat44_ei_static_mapping_match (ip4_address_t match_addr, u16 match_port, u32 match_fib_index, nat_protocol_t match_protocol, ip4_address_t *mapping_addr, u16 *mapping_port, u32 *mapping_fib_index, u8 by_external, u8 *is_addr_only, u8 *is_identity_nat)
	Match NAT44-EI static mapping. More...
void	nat44_ei_sessions_clear ()
	Clear all active NAT44-EI sessions. More...
nat44_ei_user_t *	nat44_ei_user_get_or_create (nat44_ei_main_t *nm, ip4_address_t *addr, u32 fib_index, u32 thread_index)
nat44_ei_session_t *	nat44_ei_session_alloc_or_recycle (nat44_ei_main_t *nm, nat44_ei_user_t *u, u32 thread_index, f64 now)
void	nat44_ei_free_session_data_v2 (nat44_ei_main_t *nm, nat44_ei_session_t *s, u32 thread_index, u8 is_ha)
void	nat44_ei_free_outside_address_and_port (nat44_ei_address_t *addresses, u32 thread_index, ip4_address_t *addr, u16 port, nat_protocol_t protocol)
int	nat44_ei_set_outside_address_and_port (nat44_ei_address_t *addresses, u32 thread_index, ip4_address_t addr, u16 port, nat_protocol_t protocol)
int	nat44_ei_del_address (nat44_ei_main_t *nm, ip4_address_t addr, u8 delete_sm)
void	nat44_ei_free_session_data (nat44_ei_main_t *nm, nat44_ei_session_t *s, u32 thread_index, u8 is_ha)
int	nat44_ei_set_workers (uword *bitmap)
void	nat44_ei_add_del_address_dpo (ip4_address_t addr, u8 is_add)
int	nat44_ei_add_address (nat44_ei_main_t *nm, ip4_address_t *addr, u32 vrf_id)
void	nat44_ei_delete_session (nat44_ei_main_t *nm, nat44_ei_session_t *ses, u32 thread_index)
int	nat44_ei_interface_add_del (u32 sw_if_index, u8 is_inside, int is_del)
int	nat44_ei_interface_add_del_output_feature (u32 sw_if_index, u8 is_inside, int is_del)
int	nat44_ei_add_interface_address (nat44_ei_main_t *nm, u32 sw_if_index, int is_del)
int	nat44_i2o_is_idle_session_cb (clib_bihash_kv_8_8_t *kv, void *arg)
int	nat44_o2i_is_idle_session_cb (clib_bihash_kv_8_8_t *kv, void *arg)
int	nat44_ei_hairpinning (vlib_main_t *vm, vlib_node_runtime_t *node, nat44_ei_main_t *nm, u32 thread_index, vlib_buffer_t *b0, ip4_header_t *ip0, udp_header_t *udp0, tcp_header_t *tcp0, u32 proto0, int do_trace, u32 *required_thread_index)
void	nat44_ei_hairpinning_sm_unknown_proto (nat44_ei_main_t *nm, vlib_buffer_t *b, ip4_header_t *ip)
u32	nat44_ei_icmp_hairpinning (nat44_ei_main_t *nm, vlib_buffer_t *b0, u32 thread_index, ip4_header_t *ip0, icmp46_header_t *icmp0, u32 *required_thread_index)
int	nat44_ei_set_frame_queue_nelts (u32 frame_queue_nelts)

Variables
nat44_ei_main_t	nat44_ei_main

Detailed Description

NAT44 endpoint independent plugin declarations.

Definition in file nat44_ei.h.

Macro Definition Documentation

foreach_nat44_ei_addr_and_port_alloc_alg

#define foreach_nat44_ei_addr_and_port_alloc_alg

Value:

_ (0, DEFAULT, "default")                                                   \
  _ (1, MAPE, "map-e")                                                        \
  _ (2, RANGE, "port-range")

Definition at line 43 of file nat44_ei.h.

NAT44_EI_INTERFACE_FLAG_IS_INSIDE

#define NAT44_EI_INTERFACE_FLAG_IS_INSIDE   (1 << 0)

Definition at line 56 of file nat44_ei.h.

NAT44_EI_INTERFACE_FLAG_IS_OUTSIDE

#define NAT44_EI_INTERFACE_FLAG_IS_OUTSIDE   (1 << 1)

Definition at line 57 of file nat44_ei.h.

nat44_ei_interface_is_inside

#define nat44_ei_interface_is_inside

(

ip

)

(ip->flags & NAT44_EI_INTERFACE_FLAG_IS_INSIDE)

Definition at line 671 of file nat44_ei.h.

nat44_ei_interface_is_outside

#define nat44_ei_interface_is_outside

(

ip

)

(ip->flags & NAT44_EI_INTERFACE_FLAG_IS_OUTSIDE)

Definition at line 673 of file nat44_ei.h.

nat44_ei_is_addr_only_static_mapping

#define nat44_ei_is_addr_only_static_mapping

(

mp

)

(mp->flags & NAT44_EI_STATIC_MAPPING_FLAG_ADDR_ONLY)

Definition at line 676 of file nat44_ei.h.

nat44_ei_is_identity_static_mapping

#define nat44_ei_is_identity_static_mapping

(

mp

)

(mp->flags & NAT44_EI_STATIC_MAPPING_FLAG_IDENTITY_NAT)

Definition at line 678 of file nat44_ei.h.

nat44_ei_is_session_static

#define nat44_ei_is_session_static

(

sp

)

(sp->flags & NAT44_EI_SESSION_FLAG_STATIC_MAPPING)

Definition at line 666 of file nat44_ei.h.

nat44_ei_is_unk_proto_session

#define nat44_ei_is_unk_proto_session

(

sp

)

(sp->flags & NAT44_EI_SESSION_FLAG_UNKNOWN_PROTO)

Definition at line 668 of file nat44_ei.h.

nat44_ei_log_debug

#define nat44_ei_log_debug

(

...

)

vlib_log (VLIB_LOG_LEVEL_DEBUG, nat44_ei_main.log_class, __VA_ARGS__)

Definition at line 690 of file nat44_ei.h.

nat44_ei_log_err

#define nat44_ei_log_err

(

...

)

vlib_log (VLIB_LOG_LEVEL_ERR, nat44_ei_main.log_class, __VA_ARGS__)

Definition at line 682 of file nat44_ei.h.

nat44_ei_log_info

#define nat44_ei_log_info

(

...

)

vlib_log (VLIB_LOG_LEVEL_INFO, nat44_ei_main.log_class, __VA_ARGS__)

Definition at line 688 of file nat44_ei.h.

nat44_ei_log_notice

#define nat44_ei_log_notice

(

...

)

vlib_log (VLIB_LOG_LEVEL_NOTICE, nat44_ei_main.log_class, __VA_ARGS__)

Definition at line 686 of file nat44_ei.h.

nat44_ei_log_warn

#define nat44_ei_log_warn

(

...

)

vlib_log (VLIB_LOG_LEVEL_WARNING, nat44_ei_main.log_class, __VA_ARGS__)

Definition at line 684 of file nat44_ei.h.

NAT44_EI_SESSION_FLAG_STATIC_MAPPING

#define NAT44_EI_SESSION_FLAG_STATIC_MAPPING   (1 << 0)

Definition at line 60 of file nat44_ei.h.

NAT44_EI_SESSION_FLAG_UNKNOWN_PROTO

#define NAT44_EI_SESSION_FLAG_UNKNOWN_PROTO   (1 << 1)

Definition at line 61 of file nat44_ei.h.

NAT44_EI_STATIC_MAPPING_FLAG_ADDR_ONLY

#define NAT44_EI_STATIC_MAPPING_FLAG_ADDR_ONLY   (1 << 0)

Definition at line 64 of file nat44_ei.h.

NAT44_EI_STATIC_MAPPING_FLAG_IDENTITY_NAT

#define NAT44_EI_STATIC_MAPPING_FLAG_IDENTITY_NAT   (1 << 1)

Definition at line 65 of file nat44_ei.h.

NAT_FQ_NELTS_DEFAULT

#define NAT_FQ_NELTS_DEFAULT   64

Definition at line 40 of file nat44_ei.h.

Typedef Documentation

nat44_ei_alloc_out_addr_and_port_function_t

typedef int() nat44_ei_alloc_out_addr_and_port_function_t(nat44_ei_address_t *addresses, u32 fib_index, u32 thread_index, nat_protocol_t proto, ip4_address_t s_addr, ip4_address_t *addr, u16 *port, u16 port_per_thread, u32 snat_thread_index)

Definition at line 82 of file nat44_ei.h.

nat44_ei_main_t

typedef struct nat44_ei_main_s nat44_ei_main_t

Enumeration Type Documentation

nat44_ei_addr_and_port_alloc_alg_t

enum nat44_ei_addr_and_port_alloc_alg_t

Enumerator
foreach_nat44_ei_addr_and_port_alloc_alg

Definition at line 48 of file nat44_ei.h.

Function Documentation

CLIB_PACKED() [1/2]

typedef CLIB_PACKED

(

struct { struct { ip4_address_t addr;u32 fib_index;u16 port;} out2in;struct { ip4_address_t addr;u32 fib_index;u16 port;} in2out;nat_protocol_t nat_proto;u32 flags;u32 per_user_index;u32 per_user_list_head_index;u32 lru_head_index;u32 lru_index;f64 last_lru_update;f64 last_heard;f64 ha_last_refreshed;u64 total_bytes;u32 total_pkts;ip4_address_t ext_host_addr;u16 ext_host_port;ip4_address_t ext_host_nat_addr;u16 ext_host_nat_port;u8 state;u32 i2o_fin_seq;u32 o2i_fin_seq;u64 tcp_closed_timestamp;u32 user_index;}

)

CLIB_PACKED() [2/2]

typedef CLIB_PACKED

(

struct { ip4_address_t addr;u32 fib_index;u32 sessions_per_user_list_head_index;u32 nsessions;u32 nstaticsessions;}

)

nat44_ei_add_address()

int nat44_ei_add_address	(	nat44_ei_main_t *	nm,
		ip4_address_t *	addr,
		u32	vrf_id
	)

Definition at line 2575 of file nat44_ei.c.

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nat44_ei_add_del_address_dpo()

void nat44_ei_add_del_address_dpo	(	ip4_address_t	addr,
		u8	is_add
	)

Definition at line 1019 of file nat44_ei.c.

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nat44_ei_add_del_static_mapping()

int nat44_ei_add_del_static_mapping	(	ip4_address_t	l_addr,
		ip4_address_t	e_addr,
		u16	l_port,
		u16	e_port,
		nat_protocol_t	proto,
		u32	sw_if_index,
		u32	vrf_id,
		u8	addr_only,
		u8	identity_nat,
		u8 *	tag,
		u8	is_add
	)

Add/delete NAT44-EI static mapping.

Parameters

l_addr	local IPv4 address
e_addr	external IPv4 address
l_port	local port number
e_port	external port number
proto	L4 protocol
sw_if_index	use interface address as external IPv4 address
vrf_id	local VRF ID
addr_only	1 = 1:1NAT, 0 = 1:1NAPT
identity_nat	identity NAT
tag	opaque string tag
is_add	1 = add, 0 = delete

Returns

0 on success, non-zero value otherwise

Definition at line 1853 of file nat44_ei.c.

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nat44_ei_add_interface_address()

int nat44_ei_add_interface_address	(	nat44_ei_main_t *	nm,
		u32	sw_if_index,
		int	is_del
	)

Definition at line 2632 of file nat44_ei.c.

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nat44_ei_api_hookup()

clib_error_t* nat44_ei_api_hookup

(

vlib_main_t *

vm

)

Definition at line 1188 of file nat44_ei_api.c.

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nat44_ei_del_address()

int nat44_ei_del_address	(	nat44_ei_main_t *	nm,
		ip4_address_t	addr,
		u8	delete_sm
	)

Definition at line 2708 of file nat44_ei.c.

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nat44_ei_del_session()

int nat44_ei_del_session	(	nat44_ei_main_t *	nm,
		ip4_address_t *	addr,
		u16	port,
		nat_protocol_t	proto,
		u32	vrf_id,
		int	is_in
	)

Delete NAT44-EI session.

Parameters

addr	IPv4 address
port	L4 port number
proto	L4 protocol
vrf_id	VRF ID
is_in	1 = inside network address and port pair, 0 = outside

Returns

0 on success, non-zero value otherwise

Definition at line 1785 of file nat44_ei.c.

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nat44_ei_delete_session()

void nat44_ei_delete_session	(	nat44_ei_main_t *	nm,
		nat44_ei_session_t *	ses,
		u32	thread_index
	)

Definition at line 1753 of file nat44_ei.c.

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nat44_ei_free_outside_address_and_port()

void nat44_ei_free_outside_address_and_port	(	nat44_ei_address_t *	addresses,
		u32	thread_index,
		ip4_address_t *	addr,
		u16	port,
		nat_protocol_t	protocol
	)

Definition at line 1043 of file nat44_ei.c.

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nat44_ei_free_session_data()

void nat44_ei_free_session_data	(	nat44_ei_main_t *	nm,
		nat44_ei_session_t *	s,
		u32	thread_index,
		u8	is_ha
	)

Definition at line 1252 of file nat44_ei.c.

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nat44_ei_free_session_data_v2()

void nat44_ei_free_session_data_v2	(	nat44_ei_main_t *	nm,
		nat44_ei_session_t *	s,
		u32	thread_index,
		u8	is_ha
	)

Definition at line 1079 of file nat44_ei.c.

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nat44_ei_get_in2out_worker_index()

u32 nat44_ei_get_in2out_worker_index	(	ip4_header_t *	ip0,
		u32	rx_fib_index0,
		u8	is_output
	)

Definition at line 1408 of file nat44_ei.c.

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nat44_ei_get_out2in_worker_index()

u32 nat44_ei_get_out2in_worker_index	(	vlib_buffer_t *	b,
		ip4_header_t *	ip0,
		u32	rx_fib_index0,
		u8	is_output
	)

Definition at line 1428 of file nat44_ei.c.

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nat44_ei_hairpinning()

int nat44_ei_hairpinning	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		nat44_ei_main_t *	nm,
		u32	thread_index,
		vlib_buffer_t *	b0,
		ip4_header_t *	ip0,
		udp_header_t *	udp0,
		tcp_header_t *	tcp0,
		u32	proto0,
		int	do_trace,
		u32 *	required_thread_index
	)

Definition at line 124 of file nat44_ei_hairpinning.c.

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nat44_ei_hairpinning_sm_unknown_proto()

void nat44_ei_hairpinning_sm_unknown_proto	(	nat44_ei_main_t *	nm,
		vlib_buffer_t *	b,
		ip4_header_t *	ip
	)

Definition at line 97 of file nat44_ei_hairpinning.c.

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nat44_ei_icmp_hairpinning()

u32 nat44_ei_icmp_hairpinning	(	nat44_ei_main_t *	nm,
		vlib_buffer_t *	b0,
		u32	thread_index,
		ip4_header_t *	ip0,
		icmp46_header_t *	icmp0,
		u32 *	required_thread_index
	)

Definition at line 251 of file nat44_ei_hairpinning.c.

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nat44_ei_interface_add_del()

int nat44_ei_interface_add_del	(	u32	sw_if_index,
		u8	is_inside,
		int	is_del
	)

Definition at line 496 of file nat44_ei.c.

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nat44_ei_interface_add_del_output_feature()

int nat44_ei_interface_add_del_output_feature	(	u32	sw_if_index,
		u8	is_inside,
		int	is_del
	)

Definition at line 747 of file nat44_ei.c.

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nat44_ei_plugin_disable()

int nat44_ei_plugin_disable

(

)

Definition at line 920 of file nat44_ei.c.

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nat44_ei_plugin_enable()

int nat44_ei_plugin_enable

(

nat44_ei_config_t

c

)

Definition at line 419 of file nat44_ei.c.

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nat44_ei_session_alloc_or_recycle()

nat44_ei_session_t* nat44_ei_session_alloc_or_recycle	(	nat44_ei_main_t *	nm,
		nat44_ei_user_t *	u,
		u32	thread_index,
		f64	now
	)

Definition at line 1180 of file nat44_ei.c.

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nat44_ei_sessions_clear()

void nat44_ei_sessions_clear

(

)

Clear all active NAT44-EI sessions.

Definition at line 2478 of file nat44_ei.c.

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nat44_ei_set_alloc_default()

void nat44_ei_set_alloc_default

(

void

)

Set address and port assignment algorithm to default/standard.

Definition at line 1697 of file nat44_ei.c.

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nat44_ei_set_alloc_mape()

void nat44_ei_set_alloc_mape	(	u16	psid,
		u16	psid_offset,
		u16	psid_length
	)

Set address and port assignment algorithm for MAP-E CE.

Parameters

psid	Port Set Identifier value
psid_offset	number of offset bits
psid_length	length of PSID

Definition at line 1717 of file nat44_ei.c.

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nat44_ei_set_alloc_range()

void nat44_ei_set_alloc_range	(	u16	start_port,
		u16	end_port
	)

Set address and port assignment algorithm for port range.

Parameters

start_port	beginning of the port range
end_port	end of the port range

Definition at line 1706 of file nat44_ei.c.

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nat44_ei_set_frame_queue_nelts()

int nat44_ei_set_frame_queue_nelts

(

u32

frame_queue_nelts

)

Definition at line 2874 of file nat44_ei.c.

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nat44_ei_set_outside_address_and_port()

int nat44_ei_set_outside_address_and_port	(	nat44_ei_address_t *	addresses,
		u32	thread_index,
		ip4_address_t	addr,
		u16	port,
		nat_protocol_t	protocol
	)

Definition at line 983 of file nat44_ei.c.

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nat44_ei_set_workers()

int nat44_ei_set_workers

(

uword *

bitmap

)

Definition at line 252 of file nat44_ei.c.

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nat44_ei_static_mapping_del_sessions()

void nat44_ei_static_mapping_del_sessions	(	nat44_ei_main_t *	nm,
		nat44_ei_main_per_thread_data_t *	tnm,
		nat44_ei_user_key_t	u_key,
		int	addr_only,
		ip4_address_t	e_addr,
		u16	e_port
	)

Delete session for static mapping.

Parameters

addr	IPv4 address
fib_index	FIB table index

Definition at line 1356 of file nat44_ei.c.

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nat44_ei_static_mapping_match()

int nat44_ei_static_mapping_match	(	ip4_address_t	match_addr,
		u16	match_port,
		u32	match_fib_index,
		nat_protocol_t	match_protocol,
		ip4_address_t *	mapping_addr,
		u16 *	mapping_port,
		u32 *	mapping_fib_index,
		u8	by_external,
		u8 *	is_addr_only,
		u8 *	is_identity_nat
	)

Match NAT44-EI static mapping.

Parameters

key	address and port to match
addr	external/local address of the matched mapping
port	port of the matched mapping
fib_index	fib index of the matched mapping
by_external	if 0 match by local address otherwise match by external address
is_addr_only	1 if matched mapping is address only
is_identity_nat	1 if indentity mapping

Returns

0 if match found otherwise 1.

Definition at line 2253 of file nat44_ei.c.

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nat44_ei_user_del()

int nat44_ei_user_del	(	ip4_address_t *	addr,
		u32	fib_index
	)

Delete specific NAT44 EI user and his sessions.

Parameters

addr	IPv4 address
fib_index	FIB table index

Definition at line 1314 of file nat44_ei.c.

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nat44_ei_user_get_or_create()

nat44_ei_user_t* nat44_ei_user_get_or_create	(	nat44_ei_main_t *	nm,
		ip4_address_t *	addr,
		u32	fib_index,
		u32	thread_index
	)

Definition at line 1121 of file nat44_ei.c.

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nat44_i2o_is_idle_session_cb()

int nat44_i2o_is_idle_session_cb	(	clib_bihash_kv_8_8_t *	kv,
		void *	arg
	)

Definition at line 250 of file nat44_ei_in2out.c.

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nat44_o2i_is_idle_session_cb()

int nat44_o2i_is_idle_session_cb	(	clib_bihash_kv_8_8_t *	kv,
		void *	arg
	)

Definition at line 103 of file nat44_ei_out2in.c.

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Variable Documentation

nat44_ei_main

nat44_ei_main_t nat44_ei_main

Definition at line 40 of file nat44_ei.c.