node.c File Reference

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Data Structures
struct	flowprobe_trace_t

Macros
#define	foreach_flowprobe_error
#define	FLOWPROBE_NEXT_NODES
#define	NTP_TIMESTAMP   2208988800L

Enumerations
enum	flowprobe_error_t { FLOWPROBE_N_ERROR }
enum	flowprobe_next_t { FLOWPROBE_NEXT_DROP, FLOWPROBE_NEXT_IP4_LOOKUP, FLOWPROBE_N_NEXT }

Functions
static void	flowprobe_export_entry (vlib_main_t *vm, flowprobe_entry_t *e)
static u8 *	format_flowprobe_trace (u8 *s, va_list *args)
static flowprobe_variant_t	flowprobe_get_variant (flowprobe_variant_t which, flowprobe_record_t flags, u16 ethertype)
static u32	flowprobe_common_add (vlib_buffer_t *to_b, flowprobe_entry_t *e, u16 offset)
static u32	flowprobe_l2_add (vlib_buffer_t *to_b, flowprobe_entry_t *e, u16 offset)
static u32	flowprobe_l3_ip6_add (vlib_buffer_t *to_b, flowprobe_entry_t *e, u16 offset)
static u32	flowprobe_l3_ip4_add (vlib_buffer_t *to_b, flowprobe_entry_t *e, u16 offset)
static u32	flowprobe_l4_add (vlib_buffer_t *to_b, flowprobe_entry_t *e, u16 offset)
static u32	flowprobe_hash (flowprobe_key_t *k)
flowprobe_entry_t *	flowprobe_lookup (u32 my_cpu_number, flowprobe_key_t *k, u32 *poolindex, bool *collision)
flowprobe_entry_t *	flowprobe_create (u32 my_cpu_number, flowprobe_key_t *k, u32 *poolindex)
static void	add_to_flow_record_state (vlib_main_t *vm, vlib_node_runtime_t *node, flowprobe_main_t *fm, vlib_buffer_t *b, timestamp_nsec_t timestamp, u16 length, flowprobe_variant_t which, flowprobe_trace_t *t)
static u16	flowprobe_get_headersize (void)
static void	flowprobe_export_send (vlib_main_t *vm, vlib_buffer_t *b0, flowprobe_variant_t which)
static vlib_buffer_t *	flowprobe_get_buffer (vlib_main_t *vm, flowprobe_variant_t which)
uword	flowprobe_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, flowprobe_variant_t which)
static uword	flowprobe_ip4_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	flowprobe_ip6_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	flowprobe_l2_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static void	flush_record (flowprobe_variant_t which)
void	flowprobe_flush_callback_ip4 (void)
void	flowprobe_flush_callback_ip6 (void)
void	flowprobe_flush_callback_l2 (void)
static void	flowprobe_delete_by_index (u32 my_cpu_number, u32 poolindex)
static uword	flowprobe_walker_process (vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)

Variables
static char *	flowprobe_variant_strings []
vlib_node_registration_t	flowprobe_ip4_node
	(constructor) VLIB_REGISTER_NODE (flowprobe_ip4_node) More...
vlib_node_registration_t	flowprobe_ip6_node
	(constructor) VLIB_REGISTER_NODE (flowprobe_ip6_node) More...
vlib_node_registration_t	flowprobe_l2_node
	(constructor) VLIB_REGISTER_NODE (flowprobe_l2_node) More...
static char *	flowprobe_error_strings []
vlib_node_registration_t	flowprobe_walker_node
	(constructor) VLIB_REGISTER_NODE (flowprobe_walker_node) More...

Macro Definition Documentation

#define FLOWPROBE_NEXT_NODES

Value:

{                                       \
    [FLOWPROBE_NEXT_DROP] = "error-drop",                       \
    [FLOWPROBE_NEXT_IP4_LOOKUP] = "ip4-lookup",         \
}

Definition at line 132 of file node.c.

#define foreach_flowprobe_error

Value:

_(COLLISION, "Hash table collisions")           \
_(BUFFER, "Buffer allocation error")            \
_(EXPORTED_PACKETS, "Exported packets")         \
_(INPATH, "Exported packets in path")

Definition at line 105 of file node.c.

#define NTP_TIMESTAMP   2208988800L

Definition at line 151 of file node.c.

Enumeration Type Documentation

enum flowprobe_error_t

Enumerator
FLOWPROBE_N_ERROR

Definition at line 111 of file node.c.

enum flowprobe_next_t

Enumerator
FLOWPROBE_NEXT_DROP
FLOWPROBE_NEXT_IP4_LOOKUP
FLOWPROBE_N_NEXT

Definition at line 125 of file node.c.

Function Documentation

static void add_to_flow_record_state ( vlib_main_t *  vm, vlib_node_runtime_t *  node, flowprobe_main_t *  fm, vlib_buffer_t *  b, timestamp_nsec_t  timestamp, u16  length, flowprobe_variant_t  which, flowprobe_trace_t *  t  )

inlinestatic

Definition at line 359 of file node.c.

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static u32 flowprobe_common_add ( vlib_buffer_t *  to_b, flowprobe_entry_t *  e, u16  offset  )

inlinestatic

Definition at line 154 of file node.c.

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flowprobe_entry_t* flowprobe_create	(	u32	my_cpu_number,
		flowprobe_key_t *	k,
		u32 *	poolindex
	)

Definition at line 333 of file node.c.

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static void flowprobe_delete_by_index ( u32  my_cpu_number, u32  poolindex  )

static

Definition at line 905 of file node.c.

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static void flowprobe_export_entry ( vlib_main_t *  vm, flowprobe_entry_t *  e  )

static

Definition at line 672 of file node.c.

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static void flowprobe_export_send ( vlib_main_t *  vm, vlib_buffer_t *  b0, flowprobe_variant_t  which  )

static

Definition at line 517 of file node.c.

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void flowprobe_flush_callback_ip4

(

void

)

Definition at line 884 of file node.c.

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void flowprobe_flush_callback_ip6

(

void

)

Definition at line 890 of file node.c.

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void flowprobe_flush_callback_l2

(

void

)

Definition at line 896 of file node.c.

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static vlib_buffer_t* flowprobe_get_buffer ( vlib_main_t *  vm, flowprobe_variant_t  which  )

static

Definition at line 628 of file node.c.

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static u16 flowprobe_get_headersize ( void  )

static

Definition at line 510 of file node.c.

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static flowprobe_variant_t flowprobe_get_variant ( flowprobe_variant_t  which, flowprobe_record_t  flags, u16  ethertype  )

inlinestatic

Definition at line 138 of file node.c.

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static u32 flowprobe_hash ( flowprobe_key_t *  k )

inlinestatic

Definition at line 286 of file node.c.

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static uword flowprobe_ip4_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 854 of file node.c.

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static uword flowprobe_ip6_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 861 of file node.c.

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static u32 flowprobe_l2_add ( vlib_buffer_t *  to_b, flowprobe_entry_t *  e, u16  offset  )

inlinestatic

Definition at line 193 of file node.c.

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static uword flowprobe_l2_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 868 of file node.c.

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static u32 flowprobe_l3_ip4_add ( vlib_buffer_t *  to_b, flowprobe_entry_t *  e, u16  offset  )

inlinestatic

Definition at line 239 of file node.c.

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static u32 flowprobe_l3_ip6_add ( vlib_buffer_t *  to_b, flowprobe_entry_t *  e, u16  offset  )

inlinestatic

Definition at line 213 of file node.c.

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static u32 flowprobe_l4_add ( vlib_buffer_t *  to_b, flowprobe_entry_t *  e, u16  offset  )

inlinestatic

Definition at line 265 of file node.c.

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flowprobe_entry_t* flowprobe_lookup	(	u32	my_cpu_number,
		flowprobe_key_t *	k,
		u32 *	poolindex,
		bool *	collision
	)

Definition at line 306 of file node.c.

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uword flowprobe_node_fn	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame,
		flowprobe_variant_t	which
	)

Definition at line 723 of file node.c.

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static uword flowprobe_walker_process ( vlib_main_t *  vm, vlib_node_runtime_t *  rt, vlib_frame_t *  f  )

static

Definition at line 925 of file node.c.

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static void flush_record ( flowprobe_variant_t  which )

inlinestatic

Definition at line 875 of file node.c.

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

static

Definition at line 71 of file node.c.

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Variable Documentation

char* flowprobe_error_strings[]

static

Initial value:

= {
#define _(sym,string) 
  foreach_flowprobe_error

}

Definition at line 119 of file node.c.

vlib_node_registration_t flowprobe_ip4_node

Initial value:

= {
  .function = flowprobe_ip4_node_fn,
  .name = "flowprobe-ip4",
  .vector_size = sizeof (u32),
  .format_trace = format_flowprobe_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN(flowprobe_error_strings),
  .error_strings = flowprobe_error_strings,
  .n_next_nodes = FLOWPROBE_N_NEXT,
  .next_nodes = FLOWPROBE_NEXT_NODES,
}

(constructor) VLIB_REGISTER_NODE (flowprobe_ip4_node)

Definition at line 100 of file node.c.

vlib_node_registration_t flowprobe_ip6_node

Initial value:

= {
  .function = flowprobe_ip6_node_fn,
  .name = "flowprobe-ip6",
  .vector_size = sizeof (u32),
  .format_trace = format_flowprobe_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN(flowprobe_error_strings),
  .error_strings = flowprobe_error_strings,
  .n_next_nodes = FLOWPROBE_N_NEXT,
  .next_nodes = FLOWPROBE_NEXT_NODES,
}

(constructor) VLIB_REGISTER_NODE (flowprobe_ip6_node)

Definition at line 101 of file node.c.

vlib_node_registration_t flowprobe_l2_node

Initial value:

= {
  .function = flowprobe_l2_node_fn,
  .name = "flowprobe-l2",
  .vector_size = sizeof (u32),
  .format_trace = format_flowprobe_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_errors = ARRAY_LEN(flowprobe_error_strings),
  .error_strings = flowprobe_error_strings,
  .n_next_nodes = FLOWPROBE_N_NEXT,
  .next_nodes = FLOWPROBE_NEXT_NODES,
}

(constructor) VLIB_REGISTER_NODE (flowprobe_l2_node)

Definition at line 102 of file node.c.

char* flowprobe_variant_strings[]

static

Initial value:

= {
  [FLOW_VARIANT_IP4] = "IP4",
  [FLOW_VARIANT_IP6] = "IP6",
  [FLOW_VARIANT_L2] = "L2",
  [FLOW_VARIANT_L2_IP4] = "L2-IP4",
  [FLOW_VARIANT_L2_IP6] = "L2-IP6",
}

Definition at line 61 of file node.c.

vlib_node_registration_t flowprobe_walker_node

Initial value:

= {
  .function = flowprobe_walker_process,
  .name = "flowprobe-walker",
  .type = VLIB_NODE_TYPE_INPUT,
  .state = VLIB_NODE_STATE_INTERRUPT,
}

(constructor) VLIB_REGISTER_NODE (flowprobe_walker_node)

Definition at line 1037 of file node.c.