nat44_ei.c File Reference

Include dependency graph for nat44_ei.c:

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Data Structures
struct	nat44_ei_classify_trace_t

Macros
#define	skip_if_disabled()
#define	fail_if_enabled()
#define	fail_if_disabled()
#define	foreach_nat44_ei_classify_error
#define	nat_validate_simple_counter(c, i)
#define	nat_init_simple_counter(c, n, sn)

Enumerations
enum	nat44_ei_classify_error_t { NAT44_EI_CLASSIFY_N_ERROR }
enum	nat44_ei_classify_next_t { NAT44_EI_CLASSIFY_NEXT_IN2OUT, NAT44_EI_CLASSIFY_NEXT_OUT2IN, NAT44_EI_CLASSIFY_NEXT_DROP, NAT44_EI_CLASSIFY_N_NEXT }

Functions
	VNET_FEATURE_INIT (ip4_nat_classify, static)
	VNET_FEATURE_INIT (ip4_nat_handoff_classify, static)
	VNET_FEATURE_INIT (ip4_nat44_ei_in2out, static)
	VNET_FEATURE_INIT (ip4_nat44_ei_out2in, static)
	VNET_FEATURE_INIT (ip4_nat44_ei_in2out_output, static)
	VNET_FEATURE_INIT (ip4_nat44_ei_in2out_fast, static)
	VNET_FEATURE_INIT (ip4_nat44_ei_out2in_fast, static)
	VNET_FEATURE_INIT (ip4_nat44_ei_hairpin_dst, static)
	VNET_FEATURE_INIT (ip4_nat44_ei_hairpin_src, static)
	VNET_FEATURE_INIT (ip4_nat44_ei_hairpinning, static)
	VNET_FEATURE_INIT (ip4_nat44_ei_in2out_worker_handoff, static)
	VNET_FEATURE_INIT (ip4_nat44_ei_out2in_worker_handoff, static)
	VNET_FEATURE_INIT (ip4_nat44_ei_in2out_output_worker_handoff, static)
	VLIB_PLUGIN_REGISTER ()
void	nat44_ei_add_del_addr_to_fib (ip4_address_t *addr, u8 p_len, u32 sw_if_index, int is_add)
static u8 *	format_nat44_ei_classify_trace (u8 *s, va_list *args)
static void	nat44_ei_db_free ()
static void	nat44_ei_db_init (u32 translations, u32 translation_buckets, u32 user_buckets)
static void	nat44_ei_ip4_add_del_interface_address_cb (ip4_main_t *im, uword opaque, u32 sw_if_index, ip4_address_t *address, u32 address_length, u32 if_address_index, u32 is_delete)
static void	nat44_ei_ip4_add_del_addr_only_sm_cb (ip4_main_t *im, uword opaque, u32 sw_if_index, ip4_address_t *address, u32 address_length, u32 if_address_index, u32 is_delete)
static void	nat44_ei_update_outside_fib (ip4_main_t *im, uword opaque, u32 sw_if_index, u32 new_fib_index, u32 old_fib_index)
void	nat44_ei_set_node_indexes (nat44_ei_main_t *nm, vlib_main_t *vm)
int	nat44_ei_set_workers (uword *bitmap)
static_always_inline void	nat_validate_interface_counters (nat44_ei_main_t *nm, u32 sw_if_index)
clib_error_t *	nat44_ei_init (vlib_main_t *vm)
int	nat44_ei_plugin_enable (nat44_ei_config_t c)
void	nat44_ei_addresses_free (nat44_ei_address_t **addresses)
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_plugin_disable ()
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)
void	nat44_ei_add_del_address_dpo (ip4_address_t addr, u8 is_add)
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)
void	nat44_ei_free_session_data_v2 (nat44_ei_main_t *nm, nat44_ei_session_t *s, u32 thread_index, u8 is_ha)
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 (nat44_ei_main_t *nm, nat44_ei_session_t *s, u32 thread_index, u8 is_ha)
static_always_inline void	nat44_ei_user_del_sessions (nat44_ei_user_t *u, u32 thread_index)
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)
static int	nat44_ei_alloc_default_cb (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)
static int	nat44_ei_alloc_range_cb (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)
static int	nat44_ei_alloc_mape_cb (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)
void	nat44_ei_set_alloc_default ()
	Set address and port assignment algorithm to default/standard. More...
void	nat44_ei_set_alloc_range (u16 start_port, u16 end_port)
	Set address and port assignment algorithm for port range. 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...
static void	nat44_ei_add_static_mapping_when_resolved (ip4_address_t l_addr, u16 l_port, u16 e_port, nat_protocol_t proto, u32 sw_if_index, u32 vrf_id, int addr_only, int identity_nat, u8 *tag)
void	nat44_ei_delete_session (nat44_ei_main_t *nm, nat44_ei_session_t *ses, u32 thread_index)
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...
u32	nat44_ei_get_thread_idx_by_port (u16 e_port)
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_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...
static void	nat44_ei_worker_db_free (nat44_ei_main_per_thread_data_t *tnm)
u8 *	format_nat44_ei_key (u8 *s, va_list *args)
u8 *	format_nat44_ei_user_kvp (u8 *s, va_list *args)
u8 *	format_nat44_ei_session_kvp (u8 *s, va_list *args)
u8 *	format_nat44_ei_static_mapping_kvp (u8 *s, va_list *args)
static void	nat44_ei_worker_db_init (nat44_ei_main_per_thread_data_t *tnm, u32 translations, u32 translation_buckets, u32 user_buckets)
void	nat44_ei_sessions_clear ()
	Clear all active NAT44-EI sessions. More...
int	nat44_ei_add_address (nat44_ei_main_t *nm, ip4_address_t *addr, u32 vrf_id)
int	nat44_ei_add_interface_address (nat44_ei_main_t *nm, u32 sw_if_index, int is_del)
static int	nat44_ei_is_address_used_in_static_mapping (ip4_address_t addr)
int	nat44_ei_del_address (nat44_ei_main_t *nm, ip4_address_t addr, u8 delete_sm)
int	nat44_ei_set_frame_queue_nelts (u32 frame_queue_nelts)
static_always_inline uword	nat44_ei_classify_inline_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)

Variables
nat44_ei_main_t	nat44_ei_main
vlib_node_registration_t	nat44_ei_hairpinning_node
	(constructor) VLIB_REGISTER_NODE (nat44_ei_hairpinning_node) More...
vlib_node_registration_t	nat44_ei_hairpin_dst_node
	(constructor) VLIB_REGISTER_NODE (nat44_ei_hairpin_dst_node) More...
vlib_node_registration_t	nat44_ei_in2out_hairpinning_finish_ip4_lookup_node
	(constructor) VLIB_REGISTER_NODE (nat44_ei_in2out_hairpinning_finish_ip4_lookup_node) More...
vlib_node_registration_t	nat44_ei_in2out_hairpinning_finish_interface_output_node
	(constructor) VLIB_REGISTER_NODE (nat44_ei_in2out_hairpinning_finish_interface_output_node) More...
static char *	nat44_ei_classify_error_strings []
vlib_main_t *	vm
	X-connect all packets from the HOST to the PHY. More...
vlib_main_t vlib_node_runtime_t *	node
vlib_main_t vlib_node_runtime_t vlib_frame_t *	frame
vlib_node_registration_t	nat44_ei_classify_node
	(constructor) VLIB_REGISTER_NODE (nat44_ei_classify_node) More...
vlib_node_registration_t	nat44_ei_handoff_classify_node
	(constructor) VLIB_REGISTER_NODE (nat44_ei_handoff_classify_node) More...

Macro Definition Documentation

fail_if_disabled

#define fail_if_disabled

(

)

Value:

  do                                                                          \
    {                                                                         \
      nat44_ei_main_t *nm = &nat44_ei_main;                                   \
      if (PREDICT_FALSE (!nm->enabled))                                       \
        {                                                                     \
          nat44_ei_log_err ("plugin disabled");                               \
          return 1;                                                           \
        }                                                                     \
    }                                                                         \
  while (0)

Definition at line 70 of file nat44_ei.c.

fail_if_enabled

#define fail_if_enabled

(

)

Value:

  do                                                                          \
    {                                                                         \
      nat44_ei_main_t *nm = &nat44_ei_main;                                   \
      if (PREDICT_FALSE (nm->enabled))                                        \
        {                                                                     \
          nat44_ei_log_err ("plugin enabled");                                \
          return 1;                                                           \
        }                                                                     \
    }                                                                         \
  while (0)

Definition at line 58 of file nat44_ei.c.

foreach_nat44_ei_classify_error

#define foreach_nat44_ei_classify_error

Value:

  _ (NEXT_IN2OUT, "next in2out")                                              \
  _ (NEXT_OUT2IN, "next out2in")                                              \
  _ (FRAG_CACHED, "fragment cached")

Definition at line 167 of file nat44_ei.c.

nat_init_simple_counter

#define nat_init_simple_counter	(		c,
			n,
			sn
	)

Value:

  do                                                                          \
    {                                                                         \
      c.name = n;                                                             \
      c.stat_segment_name = sn;                                               \
      nat_validate_simple_counter (c, 0);                                     \
    }                                                                         \
  while (0);

Definition at line 285 of file nat44_ei.c.

nat_validate_simple_counter

#define nat_validate_simple_counter	(		c,
			i
	)

Value:

  do                                                                          \
    {                                                                         \
      vlib_validate_simple_counter (&c, i);                                   \
      vlib_zero_simple_counter (&c, i);                                       \
    }                                                                         \
  while (0);

Definition at line 277 of file nat44_ei.c.

skip_if_disabled

#define skip_if_disabled

(

)

Value:

  do                                                                          \
    {                                                                         \
      nat44_ei_main_t *nm = &nat44_ei_main;                                   \
      if (PREDICT_FALSE (!nm->enabled))                                       \
        return;                                                               \
    }                                                                         \
  while (0)

Definition at line 49 of file nat44_ei.c.

Enumeration Type Documentation

nat44_ei_classify_error_t

enum nat44_ei_classify_error_t

Enumerator
NAT44_EI_CLASSIFY_N_ERROR

Definition at line 172 of file nat44_ei.c.

nat44_ei_classify_next_t

enum nat44_ei_classify_next_t

Enumerator
NAT44_EI_CLASSIFY_NEXT_IN2OUT
NAT44_EI_CLASSIFY_NEXT_OUT2IN
NAT44_EI_CLASSIFY_NEXT_DROP
NAT44_EI_CLASSIFY_N_NEXT

Definition at line 186 of file nat44_ei.c.

Function Documentation

format_nat44_ei_classify_trace()

static u8* format_nat44_ei_classify_trace ( u8 *  s, va_list *  args  )

static

Definition at line 204 of file nat44_ei.c.

format_nat44_ei_key()

u8* format_nat44_ei_key	(	u8 *	s,
		va_list *	args
	)

Definition at line 2329 of file nat44_ei.c.

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format_nat44_ei_session_kvp()

u8* format_nat44_ei_session_kvp	(	u8 *	s,
		va_list *	args
	)

Definition at line 2361 of file nat44_ei.c.

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format_nat44_ei_static_mapping_kvp()

u8* format_nat44_ei_static_mapping_kvp	(	u8 *	s,
		va_list *	args
	)

Definition at line 2373 of file nat44_ei.c.

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format_nat44_ei_user_kvp()

u8* format_nat44_ei_user_kvp	(	u8 *	s,
		va_list *	args
	)

Definition at line 2347 of file nat44_ei.c.

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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_addr_to_fib()

void nat44_ei_add_del_addr_to_fib	(	ip4_address_t *	addr,
		u8	p_len,
		u32	sw_if_index,
		int	is_add
	)

Definition at line 1829 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_add_static_mapping_when_resolved()

static void nat44_ei_add_static_mapping_when_resolved ( ip4_address_t  l_addr, u16  l_port, u16  e_port, nat_protocol_t  proto, u32  sw_if_index, u32  vrf_id, int  addr_only, int  identity_nat, u8 *  tag  )

static

Definition at line 1729 of file nat44_ei.c.

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nat44_ei_addresses_free()

void nat44_ei_addresses_free

(

nat44_ei_address_t **

addresses

)

Definition at line 482 of file nat44_ei.c.

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nat44_ei_alloc_default_cb()

static int nat44_ei_alloc_default_cb ( 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  )

static

Definition at line 1512 of file nat44_ei.c.

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nat44_ei_alloc_mape_cb()

static int nat44_ei_alloc_mape_cb ( 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  )

static

Definition at line 1648 of file nat44_ei.c.

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nat44_ei_alloc_range_cb()

static int nat44_ei_alloc_range_cb ( 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  )

static

Definition at line 1601 of file nat44_ei.c.

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nat44_ei_classify_inline_fn()

static_always_inline uword nat44_ei_classify_inline_fn	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 2946 of file nat44_ei.c.

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nat44_ei_db_free()

static void nat44_ei_db_free ( )

static

Definition at line 2421 of file nat44_ei.c.

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nat44_ei_db_init()

static void nat44_ei_db_init ( u32  translations, u32  translation_buckets, u32  user_buckets  )

static

Definition at line 2442 of file nat44_ei.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_get_thread_idx_by_port()

u32 nat44_ei_get_thread_idx_by_port

(

u16

e_port

)

Definition at line 1816 of file nat44_ei.c.

nat44_ei_init()

clib_error_t* nat44_ei_init

(

vlib_main_t *

vm

)

Definition at line 308 of file nat44_ei.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_ip4_add_del_addr_only_sm_cb()

static void nat44_ei_ip4_add_del_addr_only_sm_cb ( ip4_main_t *  im, uword  opaque, u32  sw_if_index, ip4_address_t *  address, u32  address_length, u32  if_address_index, u32  is_delete  )

static

Definition at line 2883 of file nat44_ei.c.

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nat44_ei_ip4_add_del_interface_address_cb()

static void nat44_ei_ip4_add_del_interface_address_cb ( ip4_main_t *  im, uword  opaque, u32  sw_if_index, ip4_address_t *  address, u32  address_length, u32  if_address_index, u32  is_delete  )

static

Definition at line 2807 of file nat44_ei.c.

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nat44_ei_is_address_used_in_static_mapping()

static int nat44_ei_is_address_used_in_static_mapping ( ip4_address_t  addr )

static

Definition at line 2692 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

(

)

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_node_indexes()

void nat44_ei_set_node_indexes	(	nat44_ei_main_t *	nm,
		vlib_main_t *	vm
	)

Definition at line 240 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_update_outside_fib()

static void nat44_ei_update_outside_fib ( ip4_main_t *  im, uword  opaque, u32  sw_if_index, u32  new_fib_index, u32  old_fib_index  )

static

Definition at line 2507 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_del_sessions()

static_always_inline void nat44_ei_user_del_sessions	(	nat44_ei_user_t *	u,
		u32	thread_index
	)

Definition at line 1289 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_ei_worker_db_free()

static void nat44_ei_worker_db_free ( nat44_ei_main_per_thread_data_t *  tnm )

static

Definition at line 2318 of file nat44_ei.c.

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nat44_ei_worker_db_init()

static void nat44_ei_worker_db_init ( nat44_ei_main_per_thread_data_t *  tnm, u32  translations, u32  translation_buckets, u32  user_buckets  )

static

Definition at line 2384 of file nat44_ei.c.

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nat_validate_interface_counters()

static_always_inline void nat_validate_interface_counters	(	nat44_ei_main_t *	nm,
		u32	sw_if_index
	)

Definition at line 295 of file nat44_ei.c.

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VLIB_PLUGIN_REGISTER()

VLIB_PLUGIN_REGISTER

(

)

VNET_FEATURE_INIT() [1/13]

VNET_FEATURE_INIT	(	ip4_nat44_ei_hairpin_dst	,
		static
	)

VNET_FEATURE_INIT() [2/13]

VNET_FEATURE_INIT	(	ip4_nat44_ei_hairpin_src	,
		static
	)

VNET_FEATURE_INIT() [3/13]

VNET_FEATURE_INIT	(	ip4_nat44_ei_hairpinning	,
		static
	)

VNET_FEATURE_INIT() [4/13]

VNET_FEATURE_INIT	(	ip4_nat44_ei_in2out	,
		static
	)

VNET_FEATURE_INIT() [5/13]

VNET_FEATURE_INIT	(	ip4_nat44_ei_in2out_fast	,
		static
	)

VNET_FEATURE_INIT() [6/13]

VNET_FEATURE_INIT	(	ip4_nat44_ei_in2out_output	,
		static
	)

VNET_FEATURE_INIT() [7/13]

VNET_FEATURE_INIT	(	ip4_nat44_ei_in2out_output_worker_handoff	,
		static
	)

VNET_FEATURE_INIT() [8/13]

VNET_FEATURE_INIT	(	ip4_nat44_ei_in2out_worker_handoff	,
		static
	)

VNET_FEATURE_INIT() [9/13]

VNET_FEATURE_INIT	(	ip4_nat44_ei_out2in	,
		static
	)

VNET_FEATURE_INIT() [10/13]

VNET_FEATURE_INIT	(	ip4_nat44_ei_out2in_fast	,
		static
	)

VNET_FEATURE_INIT() [11/13]

VNET_FEATURE_INIT	(	ip4_nat44_ei_out2in_worker_handoff	,
		static
	)

VNET_FEATURE_INIT() [12/13]

VNET_FEATURE_INIT	(	ip4_nat_classify	,
		static
	)

VNET_FEATURE_INIT() [13/13]

VNET_FEATURE_INIT	(	ip4_nat_handoff_classify	,
		static
	)

Variable Documentation

frame

vlib_main_t vlib_node_runtime_t vlib_frame_t * frame

Initial value:

{
  return nat44_ei_classify_inline_fn (vm, node, frame)

Definition at line 3048 of file nat44_ei.c.

nat44_ei_classify_error_strings

char* nat44_ei_classify_error_strings[]

static

Initial value:

= {
#define _(sym, string) 
  foreach_nat44_ei_classify_error
 
}

Definition at line 180 of file nat44_ei.c.

nat44_ei_classify_node

vlib_node_registration_t nat44_ei_classify_node

Initial value:

= {
  .name = "nat44-ei-classify",
  .vector_size = sizeof (u32),
  .format_trace = format_nat44_ei_classify_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN(nat44_ei_classify_error_strings),
  .error_strings = nat44_ei_classify_error_strings,
  .n_next_nodes = NAT44_EI_CLASSIFY_N_NEXT,
  .next_nodes = {
    [NAT44_EI_CLASSIFY_NEXT_IN2OUT] = "nat44-ei-in2out",
    [NAT44_EI_CLASSIFY_NEXT_OUT2IN] = "nat44-ei-out2in",
    [NAT44_EI_CLASSIFY_NEXT_DROP] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (nat44_ei_classify_node)

Definition at line 3052 of file nat44_ei.c.

nat44_ei_hairpin_dst_node

vlib_node_registration_t nat44_ei_hairpin_dst_node

(constructor) VLIB_REGISTER_NODE (nat44_ei_hairpin_dst_node)

Definition at line 727 of file nat44_ei_hairpinning.c.

nat44_ei_hairpinning_node

vlib_node_registration_t nat44_ei_hairpinning_node

(constructor) VLIB_REGISTER_NODE (nat44_ei_hairpinning_node)

Definition at line 740 of file nat44_ei_hairpinning.c.

nat44_ei_handoff_classify_node

vlib_node_registration_t nat44_ei_handoff_classify_node

Initial value:

= {
  .name = "nat44-ei-handoff-classify",
  .vector_size = sizeof (u32),
  .format_trace = format_nat44_ei_classify_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN(nat44_ei_classify_error_strings),
  .error_strings = nat44_ei_classify_error_strings,
  .n_next_nodes = NAT44_EI_CLASSIFY_N_NEXT,
  .next_nodes = {
    [NAT44_EI_CLASSIFY_NEXT_IN2OUT] = "nat44-ei-in2out-worker-handoff",
    [NAT44_EI_CLASSIFY_NEXT_OUT2IN] = "nat44-ei-out2in-worker-handoff",
    [NAT44_EI_CLASSIFY_NEXT_DROP] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (nat44_ei_handoff_classify_node)

Definition at line 3073 of file nat44_ei.c.

nat44_ei_in2out_hairpinning_finish_interface_output_node

vlib_node_registration_t nat44_ei_in2out_hairpinning_finish_interface_output_node

(constructor) VLIB_REGISTER_NODE (nat44_ei_in2out_hairpinning_finish_interface_output_node)

Definition at line 2193 of file nat44_ei_in2out.c.

nat44_ei_in2out_hairpinning_finish_ip4_lookup_node

vlib_node_registration_t nat44_ei_in2out_hairpinning_finish_ip4_lookup_node

(constructor) VLIB_REGISTER_NODE (nat44_ei_in2out_hairpinning_finish_ip4_lookup_node)

Definition at line 2167 of file nat44_ei_in2out.c.

nat44_ei_main

nat44_ei_main_t nat44_ei_main

Definition at line 40 of file nat44_ei.c.

node

vlib_main_t vlib_node_runtime_t * node

Definition at line 3047 of file nat44_ei.c.

vm

vlib_main_t * vm

X-connect all packets from the HOST to the PHY.

x-connect ARP packets from the host to the phy

punt ARP replies to the host

Definition at line 3047 of file nat44_ei.c.