in2out_ed.c File Reference

NAT44 endpoint-dependent inside to outside network translation. More...

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Data Structures
struct	nat_in2out_ed_trace_t

Macros
#define	ED_PORT_ALLOC_ATTEMPTS   (10)

Functions
static u8 *	format_nat_in2out_ed_trace (u8 *s, va_list *args)
int	nat44_i2o_ed_is_idle_session_cb (clib_bihash_kv_16_8_t *kv, void *arg)
static u32	icmp_in2out_ed_slow_path (snat_main_t *sm, vlib_buffer_t *b0, ip4_header_t *ip0, icmp46_header_t *icmp0, u32 sw_if_index0, u32 rx_fib_index0, vlib_node_runtime_t *node, u32 next0, f64 now, u32 thread_index, snat_session_t **p_s0)
static int	nat_ed_alloc_addr_and_port (snat_main_t *sm, u32 rx_fib_index, u32 nat_proto, u32 thread_index, ip4_address_t r_addr, u16 r_port, u8 proto, u16 port_per_thread, u32 snat_thread_index, snat_session_t *s, ip4_address_t *outside_addr, u16 *outside_port, clib_bihash_kv_16_8_t *out2in_ed_kv)
static_always_inline u32	nat_outside_fib_index_lookup (snat_main_t *sm, ip4_address_t addr)
static u32	slow_path_ed (snat_main_t *sm, vlib_buffer_t *b, ip4_address_t l_addr, ip4_address_t r_addr, u16 l_port, u16 r_port, u8 proto, u32 rx_fib_index, snat_session_t **sessionp, vlib_node_runtime_t *node, u32 next, u32 thread_index, f64 now)
static_always_inline int	nat44_ed_not_translate (snat_main_t *sm, vlib_node_runtime_t *node, u32 sw_if_index, ip4_header_t *ip, u32 proto, u32 rx_fib_index, u32 thread_index)
static_always_inline int	nat_not_translate_output_feature_fwd (snat_main_t *sm, ip4_header_t *ip, u32 thread_index, f64 now, vlib_main_t *vm, vlib_buffer_t *b)
static_always_inline int	nat44_ed_not_translate_output_feature (snat_main_t *sm, ip4_header_t *ip, u16 src_port, u16 dst_port, u32 thread_index, u32 rx_sw_if_index, u32 tx_sw_if_index)
u32	icmp_match_in2out_ed (snat_main_t *sm, vlib_node_runtime_t *node, u32 thread_index, vlib_buffer_t *b, ip4_header_t *ip, ip4_address_t *addr, u16 *port, u32 *fib_index, nat_protocol_t *proto, void *d, void *e, u8 *dont_translate)
static snat_session_t *	nat44_ed_in2out_unknown_proto (snat_main_t *sm, vlib_buffer_t *b, ip4_header_t *ip, u32 rx_fib_index, u32 thread_index, f64 now, vlib_main_t *vm, vlib_node_runtime_t *node)
static uword	nat44_ed_in2out_fast_path_node_fn_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, int is_output_feature)
static uword	nat44_ed_in2out_slow_path_node_fn_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, int is_output_feature)
VLIB_NODE_FN()	nat44_ed_in2out_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
VLIB_NODE_FN()	nat44_ed_in2out_output_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
VLIB_NODE_FN()	nat44_ed_in2out_slowpath_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
VLIB_NODE_FN()	nat44_ed_in2out_output_slowpath_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static u8 *	format_nat_pre_trace (u8 *s, va_list *args)

Variables
static char *	nat_in2out_ed_error_strings []
vlib_node_registration_t	nat44_ed_in2out_node
	(constructor) VLIB_REGISTER_NODE (nat44_ed_in2out_node) More...
vlib_node_registration_t	nat44_ed_in2out_output_node
	(constructor) VLIB_REGISTER_NODE (nat44_ed_in2out_output_node) More...
vlib_node_registration_t	nat44_ed_in2out_slowpath_node
	(constructor) VLIB_REGISTER_NODE (nat44_ed_in2out_slowpath_node) More...
vlib_node_registration_t	nat44_ed_in2out_output_slowpath_node
	(constructor) VLIB_REGISTER_NODE (nat44_ed_in2out_output_slowpath_node) More...
vlib_main_t *	vm
vlib_main_t vlib_node_runtime_t *	node
vlib_main_t vlib_node_runtime_t vlib_frame_t *	frame
vlib_node_registration_t	nat_pre_in2out_node
	(constructor) VLIB_REGISTER_NODE (nat_pre_in2out_node) More...
vlib_node_registration_t	nat_pre_in2out_output_node
	(constructor) VLIB_REGISTER_NODE (nat_pre_in2out_output_node) More...

Detailed Description

NAT44 endpoint-dependent inside to outside network translation.

Definition in file in2out_ed.c.

Macro Definition Documentation

ED_PORT_ALLOC_ATTEMPTS

#define ED_PORT_ALLOC_ATTEMPTS   (10)

Definition at line 40 of file in2out_ed.c.

Function Documentation

format_nat_in2out_ed_trace()

static u8* format_nat_in2out_ed_trace ( u8 *  s, va_list *  args  )

static

Definition at line 57 of file in2out_ed.c.

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format_nat_pre_trace()

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

static

Definition at line 1572 of file in2out_ed.c.

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icmp_in2out_ed_slow_path()

static u32 icmp_in2out_ed_slow_path ( snat_main_t *  sm, vlib_buffer_t *  b0, ip4_header_t *  ip0, icmp46_header_t *  icmp0, u32  sw_if_index0, u32  rx_fib_index0, vlib_node_runtime_t *  node, u32  next0, f64  now, u32  thread_index, snat_session_t **  p_s0  )

inlinestatic

Definition at line 176 of file in2out_ed.c.

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icmp_match_in2out_ed()

u32 icmp_match_in2out_ed	(	snat_main_t *	sm,
		vlib_node_runtime_t *	node,
		u32	thread_index,
		vlib_buffer_t *	b,
		ip4_header_t *	ip,
		ip4_address_t *	addr,
		u16 *	port,
		u32 *	fib_index,
		nat_protocol_t *	proto,
		void *	d,
		void *	e,
		u8 *	dont_translate
	)

Definition at line 648 of file in2out_ed.c.

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nat44_ed_in2out_fast_path_node_fn_inline()

static uword nat44_ed_in2out_fast_path_node_fn_inline ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame, int  is_output_feature  )

inlinestatic

Definition at line 917 of file in2out_ed.c.

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nat44_ed_in2out_node()

VLIB_NODE_FN() nat44_ed_in2out_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 1490 of file in2out_ed.c.

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nat44_ed_in2out_output_node()

VLIB_NODE_FN() nat44_ed_in2out_output_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 1510 of file in2out_ed.c.

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nat44_ed_in2out_output_slowpath_node()

VLIB_NODE_FN() nat44_ed_in2out_output_slowpath_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 1550 of file in2out_ed.c.

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nat44_ed_in2out_slow_path_node_fn_inline()

static uword nat44_ed_in2out_slow_path_node_fn_inline ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame, int  is_output_feature  )

inlinestatic

Definition at line 1204 of file in2out_ed.c.

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nat44_ed_in2out_slowpath_node()

VLIB_NODE_FN() nat44_ed_in2out_slowpath_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 1530 of file in2out_ed.c.

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nat44_ed_in2out_unknown_proto()

static snat_session_t* nat44_ed_in2out_unknown_proto ( snat_main_t *  sm, vlib_buffer_t *  b, ip4_header_t *  ip, u32  rx_fib_index, u32  thread_index, f64  now, vlib_main_t *  vm, vlib_node_runtime_t *  node  )

static

Definition at line 762 of file in2out_ed.c.

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nat44_ed_not_translate()

static_always_inline int nat44_ed_not_translate	(	snat_main_t *	sm,
		vlib_node_runtime_t *	node,
		u32	sw_if_index,
		ip4_header_t *	ip,
		u32	proto,
		u32	rx_fib_index,
		u32	thread_index
	)

Definition at line 497 of file in2out_ed.c.

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nat44_ed_not_translate_output_feature()

static_always_inline int nat44_ed_not_translate_output_feature	(	snat_main_t *	sm,
		ip4_header_t *	ip,
		u16	src_port,
		u16	dst_port,
		u32	thread_index,
		u32	rx_sw_if_index,
		u32	tx_sw_if_index
	)

Definition at line 589 of file in2out_ed.c.

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nat44_i2o_ed_is_idle_session_cb()

int nat44_i2o_ed_is_idle_session_cb	(	clib_bihash_kv_16_8_t *	kv,
		void *	arg
	)

Definition at line 76 of file in2out_ed.c.

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nat_ed_alloc_addr_and_port()

static int nat_ed_alloc_addr_and_port ( snat_main_t *  sm, u32  rx_fib_index, u32  nat_proto, u32  thread_index, ip4_address_t  r_addr, u16  r_port, u8  proto, u16  port_per_thread, u32  snat_thread_index, snat_session_t *  s, ip4_address_t *  outside_addr, u16 *  outside_port, clib_bihash_kv_16_8_t *  out2in_ed_kv  )

static

Definition at line 200 of file in2out_ed.c.

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nat_not_translate_output_feature_fwd()

static_always_inline int nat_not_translate_output_feature_fwd	(	snat_main_t *	sm,
		ip4_header_t *	ip,
		u32	thread_index,
		f64	now,
		vlib_main_t *	vm,
		vlib_buffer_t *	b
	)

Definition at line 531 of file in2out_ed.c.

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nat_outside_fib_index_lookup()

static_always_inline u32 nat_outside_fib_index_lookup	(	snat_main_t *	sm,
		ip4_address_t	addr
	)

Definition at line 293 of file in2out_ed.c.

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slow_path_ed()

static u32 slow_path_ed ( snat_main_t *  sm, vlib_buffer_t *  b, ip4_address_t  l_addr, ip4_address_t  r_addr, u16  l_port, u16  r_port, u8  proto, u32  rx_fib_index, snat_session_t **  sessionp, vlib_node_runtime_t *  node, u32  next, u32  thread_index, f64  now  )

static

Definition at line 321 of file in2out_ed.c.

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Variable Documentation

frame

vlib_main_t vlib_node_runtime_t vlib_frame_t * frame

Initial value:

{
  return nat_pre_node_fn_inline (vm, node, frame,
                                 NAT_NEXT_IN2OUT_ED_FAST_PATH)

Definition at line 1583 of file in2out_ed.c.

nat44_ed_in2out_node

vlib_node_registration_t nat44_ed_in2out_node

Initial value:

= {
  .name = "nat44-ed-in2out",
  .vector_size = sizeof (u32),
  .sibling_of = "nat-default",
  .format_trace = format_nat_in2out_ed_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN (nat_in2out_ed_error_strings),
  .error_strings = nat_in2out_ed_error_strings,
  .runtime_data_bytes = sizeof (snat_runtime_t),
}

(constructor) VLIB_REGISTER_NODE (nat44_ed_in2out_node)

Definition at line 1498 of file in2out_ed.c.

nat44_ed_in2out_output_node

vlib_node_registration_t nat44_ed_in2out_output_node

Initial value:

= {
  .name = "nat44-ed-in2out-output",
  .vector_size = sizeof (u32),
  .sibling_of = "nat-default",
  .format_trace = format_nat_in2out_ed_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN (nat_in2out_ed_error_strings),
  .error_strings = nat_in2out_ed_error_strings,
  .runtime_data_bytes = sizeof (snat_runtime_t),
}

(constructor) VLIB_REGISTER_NODE (nat44_ed_in2out_output_node)

Definition at line 1518 of file in2out_ed.c.

nat44_ed_in2out_output_slowpath_node

vlib_node_registration_t nat44_ed_in2out_output_slowpath_node

Initial value:

= {
  .name = "nat44-ed-in2out-output-slowpath",
  .vector_size = sizeof (u32),
  .sibling_of = "nat-default",
  .format_trace = format_nat_in2out_ed_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN (nat_in2out_ed_error_strings),
  .error_strings = nat_in2out_ed_error_strings,
  .runtime_data_bytes = sizeof (snat_runtime_t),
}

(constructor) VLIB_REGISTER_NODE (nat44_ed_in2out_output_slowpath_node)

Definition at line 1559 of file in2out_ed.c.

nat44_ed_in2out_slowpath_node

vlib_node_registration_t nat44_ed_in2out_slowpath_node

Initial value:

= {
  .name = "nat44-ed-in2out-slowpath",
  .vector_size = sizeof (u32),
  .sibling_of = "nat-default",
  .format_trace = format_nat_in2out_ed_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN (nat_in2out_ed_error_strings),
  .error_strings = nat_in2out_ed_error_strings,
  .runtime_data_bytes = sizeof (snat_runtime_t),
}

(constructor) VLIB_REGISTER_NODE (nat44_ed_in2out_slowpath_node)

Definition at line 1538 of file in2out_ed.c.

nat_in2out_ed_error_strings

char* nat_in2out_ed_error_strings[]

static

Initial value:

= {
#define _(sym,string) 
  foreach_nat_in2out_ed_error

}

Definition at line 42 of file in2out_ed.c.

nat_pre_in2out_node

vlib_node_registration_t nat_pre_in2out_node

Initial value:

= {
  .name = "nat-pre-in2out",
  .vector_size = sizeof (u32),
  .sibling_of = "nat-default",
  .format_trace = format_nat_pre_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = 0,
}

(constructor) VLIB_REGISTER_NODE (nat_pre_in2out_node)

Definition at line 1596 of file in2out_ed.c.

nat_pre_in2out_output_node

vlib_node_registration_t nat_pre_in2out_output_node

Initial value:

= {
  .name = "nat-pre-in2out-output",
  .vector_size = sizeof (u32),
  .sibling_of = "nat-default",
  .format_trace = format_nat_pre_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = 0,
}

(constructor) VLIB_REGISTER_NODE (nat_pre_in2out_output_node)

Definition at line 1605 of file in2out_ed.c.

node

vlib_main_t vlib_node_runtime_t * node

Definition at line 1582 of file in2out_ed.c.

vm

vlib_main_t * vm

Definition at line 1582 of file in2out_ed.c.