udp_input.c File Reference

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Data Structures
struct	udp_input_trace_t

Macros
#define	udp_error(n, s)   s,
#define	foreach_udp_input_next   _ (DROP, "error-drop")
#define	udp_store_err_counters(vm, is_ip4, cnts)
#define	udp_inc_err_counter(cnts, err, val)

Enumerations
enum	udp_input_next_t { UDP_INPUT_N_NEXT }

Functions
static u8 *	format_udp_input_trace (u8 *s, va_list *args)
static void	udp_input_inc_counter (vlib_main_t *vm, u8 is_ip4, u8 evt, u8 val)
static void	udp_trace_buffer (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_buffer_t *b, session_t *s, u16 error0)
static udp_connection_t *	udp_connection_accept (udp_connection_t *listener, session_dgram_hdr_t *hdr, u32 thread_index)
static void	udp_connection_enqueue (udp_connection_t *uc0, session_t *s0, session_dgram_hdr_t *hdr0, u32 thread_index, vlib_buffer_t *b, u8 queue_event, u32 *error0)
static session_t *	udp_parse_and_lookup_buffer (vlib_buffer_t *b, session_dgram_hdr_t *hdr, u8 is_ip4)
static uword	udp46_input_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, u8 is_ip4)
static uword	udp4_input (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	udp6_input (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)

Variables
static char *	udp_error_strings []
vlib_node_registration_t	udp4_input_node
	(constructor) VLIB_REGISTER_NODE (udp4_input_node) More...
vlib_node_registration_t	udp6_input_node
	(constructor) VLIB_REGISTER_NODE (udp6_input_node) More...

Macro Definition Documentation

foreach_udp_input_next

#define foreach_udp_input_next   _ (DROP, "error-drop")

Definition at line 55 of file udp_input.c.

udp_error

#define udp_error	(		n,
			s
	)		s,

udp_inc_err_counter

#define udp_inc_err_counter	(		cnts,
			err,
			val
	)

Value:

{                                                                       \
  cnts[err] += val;                                                     \
}

Definition at line 83 of file udp_input.c.

udp_store_err_counters

#define udp_store_err_counters	(		vm,
			is_ip4,
			cnts
	)

Value:

{                                                                       \
  int i;                                                                \
  for (i = 0; i < UDP_N_ERROR; i++)                                     \
    if (cnts[i])                                                        \
      udp_input_inc_counter(vm, is_ip4, i, cnts[i]);                    \
}

Definition at line 75 of file udp_input.c.

Enumeration Type Documentation

udp_input_next_t

enum udp_input_next_t

Enumerator
UDP_INPUT_N_NEXT

Definition at line 58 of file udp_input.c.

Function Documentation

format_udp_input_trace()

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

static

Definition at line 44 of file udp_input.c.

udp46_input_inline()

static uword udp46_input_inline ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame, u8  is_ip4  )

inlinestatic

Definition at line 224 of file udp_input.c.

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udp4_input()

static uword udp4_input ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 337 of file udp_input.c.

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udp6_input()

static uword udp6_input ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 363 of file udp_input.c.

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udp_connection_accept()

static udp_connection_t* udp_connection_accept ( udp_connection_t *  listener, session_dgram_hdr_t *  hdr, u32  thread_index  )

static

Definition at line 104 of file udp_input.c.

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udp_connection_enqueue()

static void udp_connection_enqueue ( udp_connection_t *  uc0, session_t *  s0, session_dgram_hdr_t *  hdr0, u32  thread_index, vlib_buffer_t *  b, u8  queue_event, u32 *  error0  )

static

Definition at line 131 of file udp_input.c.

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udp_input_inc_counter()

static void udp_input_inc_counter ( vlib_main_t *  vm, u8  is_ip4, u8  evt, u8  val  )

inlinestatic

Definition at line 67 of file udp_input.c.

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udp_parse_and_lookup_buffer()

static session_t* udp_parse_and_lookup_buffer ( vlib_buffer_t *  b, session_dgram_hdr_t *  hdr, u8  is_ip4  )

inlinestatic

Definition at line 170 of file udp_input.c.

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udp_trace_buffer()

static void udp_trace_buffer ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_buffer_t *  b, session_t *  s, u16  error0  )

static

Definition at line 89 of file udp_input.c.

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Variable Documentation

udp4_input_node

vlib_node_registration_t udp4_input_node

Initial value:

=
{
  .function = udp4_input,
  .name = "udp4-input",
  .vector_size = sizeof (u32),
  .format_trace = format_udp_input_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN (udp_error_strings),
  .error_strings = udp_error_strings,
  .n_next_nodes = UDP_INPUT_N_NEXT,
  .next_nodes = {
#define _(s, n) 
      foreach_udp_input_next

  },
}

(constructor) VLIB_REGISTER_NODE (udp4_input_node)

Definition at line 344 of file udp_input.c.

udp6_input_node

vlib_node_registration_t udp6_input_node

Initial value:

=
{
  .function = udp6_input,
  .name = "udp6-input",
  .vector_size = sizeof (u32),
  .format_trace = format_udp_input_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN (udp_error_strings),
  .error_strings = udp_error_strings,
  .n_next_nodes = UDP_INPUT_N_NEXT,
  .next_nodes = {
#define _(s, n) 
      foreach_udp_input_next

  },
}

(constructor) VLIB_REGISTER_NODE (udp6_input_node)

Definition at line 370 of file udp_input.c.

udp_error_strings

char* udp_error_strings[]

static

Initial value:

= {
#define udp_error(n,s) 


udp_error (NONE, "No error")
udp_error (NO_LISTENER, "No listener for dst port")
udp_error (LENGTH_ERROR, "Packets with length errors")
udp_error (PUNT, "No listener punt")
udp_error (ENQUEUED, "Packets enqueued")
udp_error (FIFO_FULL, "Fifo full")
udp_error (NOT_READY, "Connection not ready")
udp_error (ACCEPT, "Accepted session")
udp_error (CREATE_SESSION, "Failed to create session")
udp_error (MQ_FULL, "Application msg queue full")

}

Definition at line 29 of file udp_input.c.