out2in.c File Reference

Include dependency graph for out2in.c:

Go to the source code of this file.

Data Structures
struct	snat_out2in_trace_t
struct	snat_out2in_worker_handoff_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_NEXT_LOOKUP, 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 u8 *	format_snat_out2in_worker_handoff_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, u32 cpu_index)
	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, u32 cpu_index)
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 uword	snat_out2in_worker_handoff_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
	VLIB_NODE_FUNCTION_MULTIARCH (snat_out2in_worker_handoff_node, snat_out2in_worker_handoff_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...
vlib_node_registration_t	snat_out2in_worker_handoff_node
	(constructor) VLIB_REGISTER_NODE (snat_out2in_worker_handoff_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 82 of file out2in.c.

Enumeration Type Documentation

enum snat_out2in_error_t

Enumerator
SNAT_OUT2IN_N_ERROR

Definition at line 88 of file out2in.c.

enum snat_out2in_next_t

Enumerator
SNAT_OUT2IN_NEXT_DROP
SNAT_OUT2IN_NEXT_LOOKUP
SNAT_OUT2IN_N_NEXT

Definition at line 101 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, u32  cpu_index  )

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 122 of file out2in.c.

Here is the call graph for this function:

Here is the caller graph for this function:

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

static

Definition at line 53 of file out2in.c.

Here is the call graph for this function:

Here is the caller graph for this function:

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

static

Definition at line 42 of file out2in.c.

Here is the call graph for this function:

Here is the caller graph for this function:

static u8* format_snat_out2in_worker_handoff_trace ( u8 *  s, va_list *  args  )

static

Definition at line 64 of file out2in.c.

Here is the call graph for this function:

Here is the caller graph for this function:

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 1014 of file out2in.c.

Here is the call graph for this function:

Here is the caller graph for this function:

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, u32  cpu_index  )

inlinestatic

Definition at line 216 of file out2in.c.

Here is the call graph for this function:

Here is the caller graph for this function:

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

static

Definition at line 1086 of file out2in.c.

Here is the call graph for this function:

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

static

Definition at line 318 of file out2in.c.

Here is the call graph for this function:

static uword snat_out2in_worker_handoff_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 815 of file out2in.c.

Here is the call graph for this function:

VLIB_NODE_FUNCTION_MULTIARCH	(	snat_out2in_node	,
		snat_out2in_node_fn
	)

Here is the caller graph for this function:

VLIB_NODE_FUNCTION_MULTIARCH	(	snat_out2in_worker_handoff_node	,
		snat_out2in_worker_handoff_fn
	)

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 95 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_LOOKUP] = "ip4-lookup",
    [SNAT_OUT2IN_NEXT_DROP] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (snat_out2in_fast_node)

Definition at line 79 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",
    [SNAT_OUT2IN_NEXT_LOOKUP] = "ip4-lookup",
  },
}

(constructor) VLIB_REGISTER_NODE (snat_out2in_node)

Definition at line 78 of file out2in.c.

vlib_node_registration_t snat_out2in_worker_handoff_node

Initial value:

= {
  .function = snat_out2in_worker_handoff_fn,
  .name = "snat-out2in-worker-handoff",
  .vector_size = sizeof (u32),
  .format_trace = format_snat_out2in_worker_handoff_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  
  .n_next_nodes = 1,

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

(constructor) VLIB_REGISTER_NODE (snat_out2in_worker_handoff_node)

Definition at line 80 of file out2in.c.