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Functions
static u32	ip_proto_to_snat_proto (u8 ip_proto)
	The NAT inline functions. More...

static u8	snat_proto_to_ip_proto (snat_protocol_t snat_proto)

static_always_inline u8	icmp_is_error_message (icmp46_header_t *icmp)

static u8	is_interface_addr (snat_main_t sm, vlib_node_runtime_t node, u32 sw_if_index0, u32 ip4_addr)

static u8	maximum_sessions_exceeded (snat_main_t *sm, u32 thread_index)

static void	nat_send_all_to_node (vlib_main_t vm, u32 bi_vector, vlib_node_runtime_t node, vlib_error_t error, u32 next)

static void	user_session_increment (snat_main_t sm, snat_user_t u, u8 is_static)

static void	nat44_delete_user_with_no_session (snat_main_t sm, snat_user_t u, u32 thread_index)

static void	nat44_delete_session (snat_main_t sm, snat_session_t ses, u32 thread_index)

static int	nat44_set_tcp_session_state_i2o (snat_main_t sm, snat_session_t ses, tcp_header_t *tcp, u32 thread_index)
	Set TCP session state. More...

static int	nat44_set_tcp_session_state_o2i (snat_main_t sm, snat_session_t ses, tcp_header_t *tcp, u32 thread_index)

static u32	nat44_session_get_timeout (snat_main_t sm, snat_session_t s)

static void	nat44_session_update_counters (snat_session_t *s, f64 now, uword bytes, u32 thread_index)

static void	nat44_session_update_lru (snat_main_t sm, snat_session_t s, u32 thread_index)
	Per-user LRU list maintenance. More...

static void	make_ed_kv (clib_bihash_kv_16_8_t kv, ip4_address_t l_addr, ip4_address_t *r_addr, u8 proto, u32 fib_index, u16 l_port, u16 r_port)

static void	make_sm_kv (clib_bihash_kv_8_8_t kv, ip4_address_t addr, u8 proto, u32 fib_index, u16 port)

static void	mss_clamping (snat_main_t sm, tcp_header_t tcp, ip_csum_t *sum)

static int	snat_not_translate_fast (snat_main_t sm, vlib_node_runtime_t node, u32 sw_if_index0, ip4_header_t *ip0, u32 proto0, u32 rx_fib_index0)
	Check if packet should be translated. More...

Function Documentation

static_always_inline u8 icmp_is_error_message ( icmp46_header_t * icmp )

Definition at line 54 of file nat_inlines.h.

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static u32 ip_proto_to_snat_proto ( u8 ip_proto )

inlinestatic

The NAT inline functions.

Definition at line 27 of file nat_inlines.h.

static u8 is_interface_addr	(	snat_main_t *	sm,
		vlib_node_runtime_t *	node,
		u32	sw_if_index0,
		u32	ip4_addr
	)

inlinestatic

Definition at line 70 of file nat_inlines.h.

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static void make_ed_kv	(	clib_bihash_kv_16_8_t *	kv,
		ip4_address_t *	l_addr,
		ip4_address_t *	r_addr,
		u8	proto,
		u32	fib_index,
		u16	l_port,
		u16	r_port
	)

inlinestatic

Definition at line 321 of file nat_inlines.h.

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static void make_sm_kv	(	clib_bihash_kv_8_8_t *	kv,
		ip4_address_t *	addr,
		u8	proto,
		u32	fib_index,
		u16	port
	)

inlinestatic

Definition at line 338 of file nat_inlines.h.

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static u8 maximum_sessions_exceeded	(	snat_main_t *	sm,
		u32	thread_index
	)

inlinestatic

Definition at line 95 of file nat_inlines.h.

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static void mss_clamping	(	snat_main_t *	sm,
		tcp_header_t *	tcp,
		ip_csum_t *	sum
	)

inlinestatic

Definition at line 353 of file nat_inlines.h.

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static void nat44_delete_session	(	snat_main_t *	sm,
		snat_session_t *	ses,
		u32	thread_index
	)

inlinestatic

Definition at line 169 of file nat_inlines.h.

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static void nat44_delete_user_with_no_session	(	snat_main_t *	sm,
		snat_user_t *	u,
		u32	thread_index
	)

inlinestatic

Definition at line 147 of file nat_inlines.h.

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static u32 nat44_session_get_timeout	(	snat_main_t *	sm,
		snat_session_t *	s
	)

inlinestatic

Definition at line 274 of file nat_inlines.h.

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static void nat44_session_update_counters	(	snat_session_t *	s,
		f64	now,
		uword	bytes,
		u32	thread_index
	)

inlinestatic

Definition at line 297 of file nat_inlines.h.

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static void nat44_session_update_lru	(	snat_main_t *	sm,
		snat_session_t *	s,
		u32	thread_index
	)

inlinestatic

Per-user LRU list maintenance.

Definition at line 311 of file nat_inlines.h.

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static int nat44_set_tcp_session_state_i2o	(	snat_main_t *	sm,
		snat_session_t *	ses,
		tcp_header_t *	tcp,
		u32	thread_index
	)

inlinestatic

Set TCP session state.

Returns: 1 if session was closed, otherwise 0

Definition at line 205 of file nat_inlines.h.

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static int nat44_set_tcp_session_state_o2i	(	snat_main_t *	sm,
		snat_session_t *	ses,
		tcp_header_t *	tcp,
		u32	thread_index
	)

inlinestatic

Definition at line 240 of file nat_inlines.h.

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static void nat_send_all_to_node	(	vlib_main_t *	vm,
		u32 *	bi_vector,
		vlib_node_runtime_t *	node,
		vlib_error_t *	error,
		u32	next
	)

inlinestatic

Definition at line 105 of file nat_inlines.h.

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static int snat_not_translate_fast	(	snat_main_t *	sm,
		vlib_node_runtime_t *	node,
		u32	sw_if_index0,
		ip4_header_t *	ip0,
		u32	proto0,
		u32	rx_fib_index0
	)

inlinestatic

Check if packet should be translated.

Packets aimed at outside interface and external address with active session should be translated.

Parameters

sm	NAT main
rt	NAT runtime data
sw_if_index0	index of the inside interface
ip0	IPv4 header
proto0	NAT protocol
rx_fib_index0	RX FIB index

Returns: 0 if packet should be translated otherwise 1

Definition at line 416 of file nat_inlines.h.

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static u8 snat_proto_to_ip_proto ( snat_protocol_t snat_proto )

inlinestatic

Definition at line 42 of file nat_inlines.h.

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static void user_session_increment	(	snat_main_t *	sm,
		snat_user_t *	u,
		u8	is_static
	)

inlinestatic

Definition at line 135 of file nat_inlines.h.

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Functions

Function Documentation