node.c File Reference

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Data Structures
struct	gre_rx_trace_t
struct	gre_input_runtime_t

Macros
#define	foreach_gre_input_next
#define	gre_error(n, s)   s,

Enumerations
enum	gre_input_next_t { GRE_INPUT_N_NEXT }

Functions
u8 *	format_gre_rx_trace (u8 *s, va_list *args)
static void	gre_trace (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_buffer_t *b, u32 tun_sw_if_index, const ip6_header_t *ip6, const ip4_header_t *ip4, int is_ipv6)
static void	gre_tunnel_get (const gre_main_t *gm, vlib_node_runtime_t *node, vlib_buffer_t *b, u16 *next, const gre_tunnel_key_t *key, gre_tunnel_key_t *cached_key, u32 *tun_sw_if_index, u32 *cached_tun_sw_if_index, int is_ipv6)
static uword	gre_input (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, const int is_ipv6)
VLIB_NODE_FN()	gre4_input_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
VLIB_NODE_FN()	gre6_input_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
void	gre_register_input_protocol (vlib_main_t *vm, gre_protocol_t protocol, u32 node_index, gre_tunnel_type_t tunnel_type)
static void	gre_setup_node (vlib_main_t *vm, u32 node_index)
static clib_error_t *	gre_input_init (vlib_main_t *vm)

Variables
static char *	gre_error_strings []
vlib_node_registration_t	gre4_input_node
	(constructor) VLIB_REGISTER_NODE (gre4_input_node) More...
vlib_node_registration_t	gre6_input_node
	(constructor) VLIB_REGISTER_NODE (gre6_input_node) More...

Macro Definition Documentation

foreach_gre_input_next

#define foreach_gre_input_next

Value:

_(PUNT, "error-punt")                           \
_(DROP, "error-drop")                           \
_(ETHERNET_INPUT, "ethernet-input")             \
_(IP4_INPUT, "ip4-input")                       \
_(IP6_INPUT, "ip6-input")                       \
_(MPLS_INPUT, "mpls-input")

Definition at line 24 of file node.c.

gre_error

#define gre_error	(		n,
			s
	)		s,

Enumeration Type Documentation

gre_input_next_t

enum gre_input_next_t

Enumerator
GRE_INPUT_N_NEXT

Definition at line 32 of file node.c.

Function Documentation

format_gre_rx_trace()

u8 * format_gre_rx_trace	(	u8 *	s,
		va_list *	args
	)

Definition at line 52 of file node.c.

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gre4_input_node()

VLIB_NODE_FN() gre4_input_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	from_frame
	)

Definition at line 432 of file node.c.

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gre6_input_node()

VLIB_NODE_FN() gre6_input_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	from_frame
	)

Definition at line 439 of file node.c.

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gre_input()

static uword gre_input ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame, const int  is_ipv6  )

inlinestatic

Definition at line 127 of file node.c.

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gre_input_init()

static clib_error_t* gre_input_init ( vlib_main_t *  vm )

static

Definition at line 539 of file node.c.

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gre_register_input_protocol()

void gre_register_input_protocol	(	vlib_main_t *	vm,
		gre_protocol_t	protocol,
		u32	node_index,
		gre_tunnel_type_t	tunnel_type
	)

Definition at line 498 of file node.c.

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gre_setup_node()

static void gre_setup_node ( vlib_main_t *  vm, u32  node_index  )

static

Definition at line 528 of file node.c.

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gre_trace()

static void gre_trace ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_buffer_t *  b, u32  tun_sw_if_index, const ip6_header_t *  ip6, const ip4_header_t *  ip4, int  is_ipv6  )

inlinestatic

Definition at line 74 of file node.c.

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gre_tunnel_get()

static void gre_tunnel_get ( const gre_main_t *  gm, vlib_node_runtime_t *  node, vlib_buffer_t *  b, u16 *  next, const gre_tunnel_key_t *  key, gre_tunnel_key_t *  cached_key, u32 *  tun_sw_if_index, u32 *  cached_tun_sw_if_index, int  is_ipv6  )

inlinestatic

Definition at line 100 of file node.c.

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Variable Documentation

gre4_input_node

vlib_node_registration_t gre4_input_node

Initial value:

= {
  .name = "gre4-input",
  
  .vector_size = sizeof (u32),

  .n_errors = GRE_N_ERROR,
  .error_strings = gre_error_strings,

  .n_next_nodes = GRE_INPUT_N_NEXT,
  .next_nodes = {
#define _(s,n) 
    foreach_gre_input_next

  },

  .format_buffer = format_gre_header_with_length,
  .format_trace = format_gre_rx_trace,
  .unformat_buffer = unformat_gre_header,
}

(constructor) VLIB_REGISTER_NODE (gre4_input_node)

Definition at line 453 of file node.c.

gre6_input_node

vlib_node_registration_t gre6_input_node

Initial value:

= {
  .name = "gre6-input",
  
  .vector_size = sizeof (u32),

  .runtime_data_bytes = sizeof (gre_input_runtime_t),

  .n_errors = GRE_N_ERROR,
  .error_strings = gre_error_strings,

  .n_next_nodes = GRE_INPUT_N_NEXT,
  .next_nodes = {
#define _(s,n) 
    foreach_gre_input_next

  },

  .format_buffer = format_gre_header_with_length,
  .format_trace = format_gre_rx_trace,
  .unformat_buffer = unformat_gre_header,
}

(constructor) VLIB_REGISTER_NODE (gre6_input_node)

Definition at line 473 of file node.c.

gre_error_strings

char* gre_error_strings[]

static

Initial value:

= {
#define gre_error(n,s) 


gre_error (NONE, "no error")
gre_error (UNKNOWN_PROTOCOL, "unknown protocol")
gre_error (UNSUPPORTED_VERSION, "unsupported version")
gre_error (PKTS_DECAP, "GRE input packets decapsulated")
gre_error (PKTS_ENCAP, "GRE output packets encapsulated")
gre_error (NO_SUCH_TUNNEL, "GRE input packets dropped due to missing tunnel")

}

Definition at line 446 of file node.c.