session_node.c File Reference

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Data Structures
struct	session_queue_trace_t

Macros
#define	foreach_session_queue_error

Enumerations
enum	session_queue_error_t { SESSION_QUEUE_N_ERROR }

Functions
static u8 *	format_session_queue_trace (u8 *s, va_list *args)
static void	session_tx_fifo_chain_tail (session_manager_main_t *smm, vlib_main_t *vm, u8 thread_index, svm_fifo_t *fifo, vlib_buffer_t *b0, u32 bi0, u8 n_bufs_per_seg, u32 left_from_seg, u32 *left_to_snd0, u16 *n_bufs, u32 *tx_offset, u16 deq_per_buf, u8 peek_data)
static int	session_tx_fifo_read_and_snd_i (vlib_main_t *vm, vlib_node_runtime_t *node, session_manager_main_t *smm, session_fifo_event_t *e0, stream_session_t *s0, u32 thread_index, int *n_tx_packets, u8 peek_data)
int	session_tx_fifo_peek_and_snd (vlib_main_t *vm, vlib_node_runtime_t *node, session_manager_main_t *smm, session_fifo_event_t *e0, stream_session_t *s0, u32 thread_index, int *n_tx_pkts)
int	session_tx_fifo_dequeue_and_snd (vlib_main_t *vm, vlib_node_runtime_t *node, session_manager_main_t *smm, session_fifo_event_t *e0, stream_session_t *s0, u32 thread_index, int *n_tx_pkts)
static stream_session_t *	session_event_get_session (session_fifo_event_t *e, u8 thread_index)
void	dump_thread_0_event_queue (void)
static u8	session_node_cmp_event (session_fifo_event_t *e, svm_fifo_t *f)
u8	session_node_lookup_fifo_event (svm_fifo_t *f, session_fifo_event_t *e)
static uword	session_queue_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)

Variables
vlib_node_registration_t	session_queue_node
	(constructor) VLIB_REGISTER_NODE (session_queue_node) More...
static char *	session_queue_error_strings []
static u32	session_type_to_next []

Macro Definition Documentation

#define foreach_session_queue_error

Value:

_(TX, "Packets transmitted")                    \
_(TIMER, "Timer events")                        \
_(NO_BUFFER, "Out of buffers")

Definition at line 48 of file session_node.c.

Enumeration Type Documentation

enum session_queue_error_t

Enumerator
SESSION_QUEUE_N_ERROR

Definition at line 53 of file session_node.c.

Function Documentation

void dump_thread_0_event_queue

(

void

)

Definition at line 409 of file session_node.c.

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

static

Definition at line 35 of file session_node.c.

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static stream_session_t* session_event_get_session ( session_fifo_event_t *  e, u8  thread_index  )

inlinestatic

Definition at line 402 of file session_node.c.

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static u8 session_node_cmp_event ( session_fifo_event_t *  e, svm_fifo_t *  f  )

static

Definition at line 466 of file session_node.c.

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u8 session_node_lookup_fifo_event	(	svm_fifo_t *	f,
		session_fifo_event_t *	e
	)

Definition at line 496 of file session_node.c.

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

static

Definition at line 539 of file session_node.c.

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static void session_tx_fifo_chain_tail ( session_manager_main_t *  smm, vlib_main_t *  vm, u8  thread_index, svm_fifo_t *  fifo, vlib_buffer_t *  b0, u32  bi0, u8  n_bufs_per_seg, u32  left_from_seg, u32 *  left_to_snd0, u16 *  n_bufs, u32 *  tx_offset, u16  deq_per_buf, u8  peek_data  )

inlinestatic

Definition at line 75 of file session_node.c.

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int session_tx_fifo_dequeue_and_snd	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		session_manager_main_t *	smm,
		session_fifo_event_t *	e0,
		stream_session_t *	s0,
		u32	thread_index,
		int *	n_tx_pkts
	)

Definition at line 391 of file session_node.c.

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int session_tx_fifo_peek_and_snd	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		session_manager_main_t *	smm,
		session_fifo_event_t *	e0,
		stream_session_t *	s0,
		u32	thread_index,
		int *	n_tx_pkts
	)

Definition at line 380 of file session_node.c.

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static int session_tx_fifo_read_and_snd_i ( vlib_main_t *  vm, vlib_node_runtime_t *  node, session_manager_main_t *  smm, session_fifo_event_t *  e0, stream_session_t *  s0, u32  thread_index, int *  n_tx_packets, u8  peek_data  )

inlinestatic

Definition at line 135 of file session_node.c.

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Variable Documentation

char* session_queue_error_strings[]

static

Initial value:

= {
#define _(sym,string) 
  foreach_session_queue_error

}

Definition at line 61 of file session_node.c.

vlib_node_registration_t session_queue_node

Initial value:

=
{
  .function = session_queue_node_fn,
  .name = "session-queue",
  .format_trace = format_session_queue_trace,
  .type = VLIB_NODE_TYPE_INPUT,
  .n_errors = ARRAY_LEN (session_queue_error_strings),
  .error_strings = session_queue_error_strings,
  .n_next_nodes = SESSION_QUEUE_N_NEXT,
  .state = VLIB_NODE_STATE_DISABLED,
  .next_nodes =
  {
      [SESSION_QUEUE_NEXT_DROP] = "error-drop",
      [SESSION_QUEUE_NEXT_IP4_LOOKUP] = "ip4-lookup",
      [SESSION_QUEUE_NEXT_IP6_LOOKUP] = "ip6-lookup",
      [SESSION_QUEUE_NEXT_TCP_IP4_OUTPUT] = "tcp4-output",
      [SESSION_QUEUE_NEXT_TCP_IP6_OUTPUT] = "tcp6-output",
  },
}

(constructor) VLIB_REGISTER_NODE (session_queue_node)

Definition at line 25 of file session_node.c.

u32 session_type_to_next[]

static

Initial value:

= {
  SESSION_QUEUE_NEXT_TCP_IP4_OUTPUT,
  SESSION_QUEUE_NEXT_IP4_LOOKUP,
  SESSION_QUEUE_NEXT_TCP_IP6_OUTPUT,
  SESSION_QUEUE_NEXT_IP6_LOOKUP,
}

Definition at line 67 of file session_node.c.