nsh_output.c File Reference

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Data Structures
struct	nsh_output_trace_t
struct	nsh_adj_incomplete_trace_t_
	A struct to hold tracing information for the NSH label imposition node. More...

Macros
#define	foreach_nsh_output_next
#define	foreach_nsh_adj_incomplete_next
	Next index values from the NSH incomplete adj node. More...

Typedefs
typedef enum nsh_midchain_next_t_	nsh_midchain_next_t
typedef struct nsh_adj_incomplete_trace_t_	nsh_adj_incomplete_trace_t
	A struct to hold tracing information for the NSH label imposition node. More...

Enumerations
enum	nsh_output_next_t { NSH_OUTPUT_N_NEXT }
enum	nsh_midchain_next_t_ { NSH_MIDCHAIN_NEXT_DROP }
enum	nsh_adj_incomplete_next_t { NSH_ADJ_INCOMPLETE_N_NEXT }

Functions
static u8 *	format_nsh_output_trace (u8 *s, va_list *args)
static uword	nsh_output_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame, int is_midchain)
VLIB_NODE_FN()	nsh_eth_output_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
VLIB_NODE_FN()	nsh_midchain_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
	VNET_FEATURE_INIT (nsh_interface_output, static)
	VNET_FEATURE_ARC_INIT (nsh_eth_output, static)
	VNET_FEATURE_INIT (nsh_eth_tx_drop, static)
VLIB_NODE_FN()	nsh_adj_incomplete_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
	Graph node for incomplete NSH adjacency. More...
static u8 *	format_nsh_adj_incomplete_trace (u8 *s, va_list *args)

Variables
vlib_node_registration_t	nsh_eth_output_node
	(constructor) VLIB_REGISTER_NODE (nsh_eth_output_node) More...
vlib_node_registration_t	nsh_midchain_node
	(constructor) VLIB_REGISTER_NODE (nsh_midchain_node) More...
vlib_node_registration_t	nsh_adj_incomplete_node
	(constructor) VLIB_REGISTER_NODE (nsh_adj_incomplete_node) More...

Macro Definition Documentation

foreach_nsh_adj_incomplete_next

#define foreach_nsh_adj_incomplete_next

Value:

_(DROP, "error-drop")                   \
_(IP4,  "ip4-arp")                      \
_(IP6,  "ip6-discover-neighbor")

Next index values from the NSH incomplete adj node.

Definition at line 386 of file nsh_output.c.

foreach_nsh_output_next

#define foreach_nsh_output_next

Value:

_(DROP, "error-drop")            \
_(INTERFACE, "interface-output" )

Definition at line 31 of file nsh_output.c.

Typedef Documentation

nsh_adj_incomplete_trace_t

typedef struct nsh_adj_incomplete_trace_t_ nsh_adj_incomplete_trace_t

A struct to hold tracing information for the NSH label imposition node.

nsh_midchain_next_t

typedef enum nsh_midchain_next_t_ nsh_midchain_next_t

Enumeration Type Documentation

nsh_adj_incomplete_next_t

enum nsh_adj_incomplete_next_t

Enumerator
NSH_ADJ_INCOMPLETE_N_NEXT

Definition at line 391 of file nsh_output.c.

nsh_midchain_next_t_

enum nsh_midchain_next_t_

Enumerator
NSH_MIDCHAIN_NEXT_DROP

Definition at line 318 of file nsh_output.c.

nsh_output_next_t

enum nsh_output_next_t

Enumerator
NSH_OUTPUT_N_NEXT

Definition at line 35 of file nsh_output.c.

Function Documentation

format_nsh_adj_incomplete_trace()

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

static

Definition at line 477 of file nsh_output.c.

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format_nsh_output_trace()

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

static

Definition at line 43 of file nsh_output.c.

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nsh_adj_incomplete_node()

VLIB_NODE_FN() nsh_adj_incomplete_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	from_frame
	)

Graph node for incomplete NSH adjacency.

This node will push traffic to either the v4-arp or v6-nd node based on the next-hop proto of the adj. We pay a cost for this 'routing' node, but an incomplete adj is the exception case.

Definition at line 415 of file nsh_output.c.

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nsh_eth_output_node()

VLIB_NODE_FN() nsh_eth_output_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	from_frame
	)

Definition at line 323 of file nsh_output.c.

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nsh_midchain_node()

VLIB_NODE_FN() nsh_midchain_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	from_frame
	)

Definition at line 344 of file nsh_output.c.

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nsh_output_inline()

static uword nsh_output_inline ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  from_frame, int  is_midchain  )

inlinestatic

Definition at line 62 of file nsh_output.c.

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VNET_FEATURE_ARC_INIT()

VNET_FEATURE_ARC_INIT	(	nsh_eth_output	,
		static
	)

VNET_FEATURE_INIT() [1/2]

VNET_FEATURE_INIT	(	nsh_eth_tx_drop	,
		static
	)

VNET_FEATURE_INIT() [2/2]

VNET_FEATURE_INIT	(	nsh_interface_output	,
		static
	)

Variable Documentation

nsh_adj_incomplete_node

vlib_node_registration_t nsh_adj_incomplete_node

Initial value:

= {
  .name = "nsh-adj-incomplete",
  .format_trace = format_nsh_adj_incomplete_trace,
  
  .vector_size = sizeof (u32),
  .n_next_nodes = NSH_ADJ_INCOMPLETE_N_NEXT,
  .next_nodes = {
#define _(s,n) 
    foreach_nsh_adj_incomplete_next
 
  },
}

(constructor) VLIB_REGISTER_NODE (nsh_adj_incomplete_node)

Definition at line 493 of file nsh_output.c.

nsh_eth_output_node

vlib_node_registration_t nsh_eth_output_node

Initial value:

= {
  .name = "nsh-eth-output",
  
  .vector_size = sizeof (u32),
  .n_next_nodes = NSH_OUTPUT_N_NEXT,
  .next_nodes = {
#define _(s,n) 
    foreach_nsh_output_next
 
  },
 
  .format_trace = format_nsh_output_trace,
}

(constructor) VLIB_REGISTER_NODE (nsh_eth_output_node)

Definition at line 330 of file nsh_output.c.

nsh_midchain_node

vlib_node_registration_t nsh_midchain_node

Initial value:

= {
  .name = "nsh-midchain",
  .vector_size = sizeof (u32),
  .format_trace = format_nsh_output_trace,
  .n_next_nodes = 1,
  .next_nodes = {
      [NSH_MIDCHAIN_NEXT_DROP] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (nsh_midchain_node)

Definition at line 351 of file nsh_output.c.