Include dependency graph for snat.h:

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Data Structures
struct	snat_session_key_t

struct	snat_user_key_t

struct	snat_static_mapping_key_t

struct	snat_user_t

struct	snat_address_t

struct	snat_static_mapping_t

struct	snat_interface_t

struct	snat_main_per_thread_data_t

struct	snat_main_t

struct	snat_runtime_t

struct	icmp_echo_header_t

Macros
#define	SNAT_SESSION_FLAG_STATIC_MAPPING 1

#define	snat_is_session_static(s) s->flags & SNAT_SESSION_FLAG_STATIC_MAPPING
	Check if SNAT session is created from static mapping. More...

Enumerations
enum	snat_protocol_t { SNAT_PROTOCOL_UDP = 0, SNAT_PROTOCOL_TCP, SNAT_PROTOCOL_ICMP }

Functions
typedef	CLIB_PACKED (struct{snat_session_key_t out2in;snat_session_key_t in2out;u32 flags;u32 per_user_index;u32 per_user_list_head_index;f64 last_heard;u64 total_bytes;u32 total_pkts;u32 outside_address_index;}) snat_session_t

void	snat_free_outside_address_and_port (snat_main_t sm, snat_session_key_t k, u32 address_index)

int	snat_alloc_outside_address_and_port (snat_main_t sm, snat_session_key_t k, u32 *address_indexp)

int	snat_static_mapping_match (snat_main_t sm, snat_session_key_t match, snat_session_key_t mapping, u8 by_external)
	Match SNAT static mapping. More...

Variables
snat_main_t	snat_main

vlib_node_registration_t	snat_in2out_node
	(constructor) VLIB_REGISTER_NODE (snat_in2out_node) More...

vlib_node_registration_t	snat_out2in_node
	(constructor) VLIB_REGISTER_NODE (snat_out2in_node) More...

vlib_node_registration_t	snat_in2out_fast_node
	(constructor) VLIB_REGISTER_NODE (snat_in2out_fast_node) More...

vlib_node_registration_t	snat_out2in_fast_node
	(constructor) VLIB_REGISTER_NODE (snat_out2in_fast_node) More...

vlib_node_registration_t	snat_in2out_worker_handoff_node
	(constructor) VLIB_REGISTER_NODE (snat_in2out_worker_handoff_node) More...

vlib_node_registration_t	snat_out2in_worker_handoff_node
	(constructor) VLIB_REGISTER_NODE (snat_out2in_worker_handoff_node) More...

format_function_t	format_snat_user

Macro Definition Documentation

#define snat_is_session_static ( s ) s->flags & SNAT_SESSION_FLAG_STATIC_MAPPING

Check if SNAT session is created from static mapping.

Parameters

s	SNAT session

Returns: 1 if SNAT session is created from static mapping otherwise 0

Definition at line 246 of file snat.h.

#define SNAT_SESSION_FLAG_STATIC_MAPPING 1

Definition at line 79 of file snat.h.

Enumeration Type Documentation

enum snat_protocol_t

Enumerator
SNAT_PROTOCOL_UDP
SNAT_PROTOCOL_TCP
SNAT_PROTOCOL_ICMP

Definition at line 72 of file snat.h.

Function Documentation

typedef CLIB_PACKED ( struct{snat_session_key_t out2in;snat_session_key_t in2out;u32 flags;u32 per_user_index;u32 per_user_list_head_index;f64 last_heard;u64 total_bytes;u32 total_pkts;u32 outside_address_index;} )

int snat_alloc_outside_address_and_port	(	snat_main_t *	sm,
		snat_session_key_t *	k,
		u32 *	address_indexp
	)

Definition at line 1292 of file snat.c.

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void snat_free_outside_address_and_port	(	snat_main_t *	sm,
		snat_session_key_t *	k,
		u32	address_index
	)

Definition at line 1213 of file snat.c.

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int snat_static_mapping_match	(	snat_main_t *	sm,
		snat_session_key_t	match,
		snat_session_key_t *	mapping,
		u8	by_external
	)

Match SNAT static mapping.

Parameters

sm	SNAT main.
match	Address and port to match.
mapping	External or local address and port of the matched mapping.
by_external	If 0 match by local address otherwise match by external address.