out2in.c File Reference

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Data Structures
struct	snat_out2in_trace_t

Macros
#define	foreach_snat_out2in_error

Enumerations
enum	snat_out2in_error_t { SNAT_OUT2IN_N_ERROR }
enum	snat_out2in_next_t { SNAT_OUT2IN_NEXT_DROP, SNAT_OUT2IN_N_NEXT }

Functions
static u8 *	format_snat_out2in_trace (u8 *s, va_list *args)
static u8 *	format_snat_out2in_fast_trace (u8 *s, va_list *args)
static snat_session_t *	create_session_for_static_mapping (snat_main_t *sm, vlib_buffer_t *b0, snat_session_key_t in2out, snat_session_key_t out2in, vlib_node_runtime_t *node)
	Create session for static mapping. More...
static u32	icmp_out2in_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)
static uword	snat_out2in_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
	VLIB_NODE_FUNCTION_MULTIARCH (snat_out2in_node, snat_out2in_node_fn)
static u32	icmp_out2in_fast (snat_main_t *sm, vlib_buffer_t *b0, ip4_header_t *ip0, icmp46_header_t *icmp0, u32 sw_if_index0, vlib_node_runtime_t *node, u32 next0, u32 rx_fib_index0)
static uword	snat_out2in_fast_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
	VLIB_NODE_FUNCTION_MULTIARCH (snat_out2in_fast_node, snat_out2in_fast_node_fn)

Variables
vlib_node_registration_t	snat_out2in_node
	(constructor) VLIB_REGISTER_NODE (snat_out2in_node) More...
vlib_node_registration_t	snat_out2in_fast_node
	(constructor) VLIB_REGISTER_NODE (snat_out2in_fast_node) More...
static char *	snat_out2in_error_strings []

Macro Definition Documentation

#define foreach_snat_out2in_error

Value:

_(UNSUPPORTED_PROTOCOL, "Unsupported protocol")         \
_(OUT2IN_PACKETS, "Good out2in packets processed")      \
_(BAD_ICMP_TYPE, "icmp type not echo-reply")            \
_(NO_TRANSLATION, "No translation")

Definition at line 62 of file out2in.c.

Enumeration Type Documentation

enum snat_out2in_error_t

Enumerator
SNAT_OUT2IN_N_ERROR

Definition at line 68 of file out2in.c.

enum snat_out2in_next_t

Enumerator
SNAT_OUT2IN_NEXT_DROP
SNAT_OUT2IN_N_NEXT

Definition at line 81 of file out2in.c.

Function Documentation

static snat_session_t* create_session_for_static_mapping ( snat_main_t *  sm, vlib_buffer_t *  b0, snat_session_key_t  in2out, snat_session_key_t  out2in, vlib_node_runtime_t *  node  )

inlinestatic

Create session for static mapping.

Create NAT session initiated by host from external network with static mapping.

Parameters

sm	SNAT main.
b0	Vlib buffer.
in2out	In2out SNAT session key.
out2in	Out2in SNAT session key.
node	Vlib node.

Returns

SNAT session if successfully created otherwise 0.

Definition at line 101 of file out2in.c.

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static u8* format_snat_out2in_fast_trace ( u8 *  s, va_list *  args  )

static

Definition at line 47 of file out2in.c.

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static u8* format_snat_out2in_trace ( u8 *  s, va_list *  args  )

static

Definition at line 36 of file out2in.c.

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static u32 icmp_out2in_fast ( snat_main_t *  sm, vlib_buffer_t *  b0, ip4_header_t *  ip0, icmp46_header_t *  icmp0, u32  sw_if_index0, vlib_node_runtime_t *  node, u32  next0, u32  rx_fib_index0  )

inlinestatic

Definition at line 776 of file out2in.c.

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static u32 icmp_out2in_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  )

inlinestatic

Definition at line 181 of file out2in.c.

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static uword snat_out2in_fast_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 848 of file out2in.c.

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static uword snat_out2in_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 279 of file out2in.c.

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VLIB_NODE_FUNCTION_MULTIARCH	(	snat_out2in_node	,
		snat_out2in_node_fn
	)

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VLIB_NODE_FUNCTION_MULTIARCH	(	snat_out2in_fast_node	,
		snat_out2in_fast_node_fn
	)

Variable Documentation

char* snat_out2in_error_strings[]

static

Initial value:

= {
#define _(sym,string) 
  foreach_snat_out2in_error

}

Definition at line 75 of file out2in.c.

vlib_node_registration_t snat_out2in_fast_node

Initial value:

= {
  .function = snat_out2in_fast_node_fn,
  .name = "snat-out2in-fast",
  .vector_size = sizeof (u32),
  .format_trace = format_snat_out2in_fast_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  
  .n_errors = ARRAY_LEN(snat_out2in_error_strings),
  .error_strings = snat_out2in_error_strings,

  .runtime_data_bytes = sizeof (snat_runtime_t),
  
  .n_next_nodes = SNAT_OUT2IN_N_NEXT,

  
  .next_nodes = {
    [SNAT_OUT2IN_NEXT_DROP] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (snat_out2in_fast_node)

Definition at line 60 of file out2in.c.

vlib_node_registration_t snat_out2in_node

Initial value:

= {
  .function = snat_out2in_node_fn,
  .name = "snat-out2in",
  .vector_size = sizeof (u32),
  .format_trace = format_snat_out2in_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  
  .n_errors = ARRAY_LEN(snat_out2in_error_strings),
  .error_strings = snat_out2in_error_strings,

  .runtime_data_bytes = sizeof (snat_runtime_t),
  
  .n_next_nodes = SNAT_OUT2IN_N_NEXT,

  
  .next_nodes = {
    [SNAT_OUT2IN_NEXT_DROP] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (snat_out2in_node)

Definition at line 59 of file out2in.c.