Include dependency graph for gre.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	gre_protocol_info_t
	A GRE payload protocol registration. More...

struct	gre_tunnel_key4_t_
	Key for a IPv4 GRE Tunnel. More...

struct	gre_tunnel_key6_t_
	Key for a IPv6 GRE Tunnel We use a different type so that the V4 key hash is as small as possible. More...

union	gre_tunnel_key_t_
	Union of the two possible key types. More...

struct	gre_tunnel_t
	A representation of a GRE tunnel. More...

struct	gre_main_t
	GRE related global data. More...

struct	vnet_gre_add_del_tunnel_args_t

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

#define	GRE_TUNNEL_TYPE_NAMES

#define	GRE_TUNNEL_N_TYPES ((gre_tunnel_type_t)GRE_TUNNEL_TYPE_TEB+1)

#define	GRE_OUTPUT_NEXT_LOOKUP 1

Typedefs
typedef enum gre_tunnel_tyoe_t_	gre_tunnel_type_t
	The GRE tunnel type. More...

typedef struct gre_tunnel_key4_t_	gre_tunnel_key4_t
	Key for a IPv4 GRE Tunnel. More...

typedef struct gre_tunnel_key6_t_	gre_tunnel_key6_t
	Key for a IPv6 GRE Tunnel We use a different type so that the V4 key hash is as small as possible. More...

typedef union gre_tunnel_key_t_	gre_tunnel_key_t
	Union of the two possible key types. More...

Enumerations
enum	gre_error_t { GRE_N_ERROR }

enum	gre_tunnel_tyoe_t_ { GRE_TUNNEL_TYPE_L3, GRE_TUNNEL_TYPE_TEB }
	The GRE tunnel type. More...

Functions
typedef	CLIB_PACKED (struct{ip4_header_t ip4;gre_header_t gre;}) ip4_and_gre_header_t
	IPv4 and GRE header. More...

typedef	CLIB_PACKED (struct{ip6_header_t ip6;gre_header_t gre;}) ip6_and_gre_header_t
	IPv6 and GRE header. More...

static gre_protocol_info_t *	gre_get_protocol_info (gre_main_t *em, gre_protocol_t protocol)

void	gre_register_input_type (vlib_main_t *vm, gre_protocol_t protocol, u32 node_index)

clib_error_t *	gre_interface_admin_up_down (vnet_main_t *vnm, u32 hw_if_index, u32 flags)

void	gre_tunnel_stack (adj_index_t ai)
	gre_tunnel_stack More...

void	gre_update_adj (vnet_main_t *vnm, u32 sw_if_index, adj_index_t ai)

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

int	vnet_gre_add_del_tunnel (vnet_gre_add_del_tunnel_args_t a, u32 sw_if_indexp)

static void	gre_mk_key4 (const ip4_address_t src, const ip4_address_t dst, u32 fib_index, gre_tunnel_key4_t *key)

static int	gre_match_key4 (const gre_tunnel_key4_t key1, const gre_tunnel_key4_t key2)

static void	gre_mk_key6 (const ip6_address_t src, const ip6_address_t dst, u32 fib_index, gre_tunnel_key6_t *key)

static int	gre_match_key6 (const gre_tunnel_key6_t key1, const gre_tunnel_key6_t key2)

Variables
vnet_hw_interface_class_t	gre_hw_interface_class

gre_main_t	gre_main

format_function_t	format_gre_protocol

format_function_t	format_gre_header

format_function_t	format_gre_header_with_length

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...

vnet_device_class_t	gre_device_class

vnet_device_class_t	gre_device_teb_class

unformat_function_t	unformat_gre_protocol_host_byte_order

unformat_function_t	unformat_gre_protocol_net_byte_order

unformat_function_t	unformat_gre_header

unformat_function_t	unformat_pg_gre_header

Macro Definition Documentation

Definition at line 32 of file gre.h.

#define GRE_OUTPUT_NEXT_LOOKUP 1

Definition at line 304 of file gre.h.

#define GRE_TUNNEL_N_TYPES ((gre_tunnel_type_t)GRE_TUNNEL_TYPE_TEB+1)

Definition at line 76 of file gre.h.

#define GRE_TUNNEL_TYPE_NAMES

Value:

{    \
    [GRE_TUNNEL_TYPE_L3] = "L3",   \
    [GRE_TUNNEL_TYPE_TEB] = "TEB", \
}

Definition at line 71 of file gre.h.

Typedef Documentation

Key for a IPv4 GRE Tunnel.

Key for a IPv6 GRE Tunnel We use a different type so that the V4 key hash is as small as possible.

Union of the two possible key types.

The GRE tunnel type.

Enumerator
GRE_N_ERROR

Definition at line 30 of file gre.h.

The GRE tunnel type.

Enumerator

GRE_TUNNEL_TYPE_L3

L3 GRE (i.e.

this tunnel is in L3 mode)

GRE_TUNNEL_TYPE_TEB

Transparent Ethernet Bridging - the tunnel is in L2 mode.

Definition at line 59 of file gre.h.

typedef CLIB_PACKED ( struct{ip4_header_t ip4;gre_header_t gre;} )

IPv4 and GRE header.

typedef CLIB_PACKED ( struct{ip6_header_t ip6;gre_header_t gre;} )

IPv6 and GRE header.

static gre_protocol_info_t* gre_get_protocol_info	(	gre_main_t *	em,
		gre_protocol_t	protocol
	)

inlinestatic

Definition at line 261 of file gre.h.

Here is the call graph for this function: