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Vector Packet Processing
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 u8format_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 u8format_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

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

◆ nsh_midchain_next_t

Enumeration Type Documentation

◆ nsh_adj_incomplete_next_t

Enumerator
NSH_ADJ_INCOMPLETE_N_NEXT 

Definition at line 391 of file nsh_output.c.

◆ nsh_midchain_next_t_

Enumerator
NSH_MIDCHAIN_NEXT_DROP 

Definition at line 318 of file nsh_output.c.

◆ 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",
.vector_size = sizeof (u32),
.n_next_nodes = NSH_ADJ_INCOMPLETE_N_NEXT,
.next_nodes = {
#define _(s,n)
},
}

(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)
},
.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.

DROP
DROP
Definition: error.def:41
format_nsh_adj_incomplete_trace
static u8 * format_nsh_adj_incomplete_trace(u8 *s, va_list *args)
Definition: nsh_output.c:477
foreach_nsh_output_next
#define foreach_nsh_output_next
Definition: nsh_output.c:31
NSH_ADJ_INCOMPLETE_N_NEXT
@ NSH_ADJ_INCOMPLETE_N_NEXT
Definition: nsh_output.c:395
format_nsh_output_trace
static u8 * format_nsh_output_trace(u8 *s, va_list *args)
Definition: nsh_output.c:43
NSH_MIDCHAIN_NEXT_DROP
@ NSH_MIDCHAIN_NEXT_DROP
Definition: nsh_output.c:320
u32
unsigned int u32
Definition: types.h:88
NSH_OUTPUT_N_NEXT
@ NSH_OUTPUT_N_NEXT
Definition: nsh_output.c:39
foreach_nsh_adj_incomplete_next
#define foreach_nsh_adj_incomplete_next
Next index values from the NSH incomplete adj node.
Definition: nsh_output.c:386