gtpu.h File Reference

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Data Structures
struct	gtpu_header_t
	Bits Octets 8 7 6 5 4 3 2 1 1 Version PT (*) E S PN 2 Message Type 3 Length (1st Octet) 4 Length (2nd Octet) 5 Tunnel Endpoint Identifier (1st Octet) 6 Tunnel Endpoint Identifier (2nd Octet) 7 Tunnel Endpoint Identifier (3rd Octet) 8 Tunnel Endpoint Identifier (4th Octet) 9 Sequence Number (1st Octet)1) 4) 10 Sequence Number (2nd Octet)1) 4) 11 N-PDU Number2) 4) 12 Next Extension Header Type3) 4) More...
struct	gtpu_tunnel_t
struct	gtpu_main_t
struct	vnet_gtpu_add_del_tunnel_args_t

Macros
#define	GTPU_V1_HDR_LEN   8
#define	GTPU_VER_MASK   (7<<5)
#define	GTPU_PT_BIT   (1<<4)
#define	GTPU_E_BIT   (1<<2)
#define	GTPU_S_BIT   (1<<1)
#define	GTPU_PN_BIT   (1<<0)
#define	GTPU_E_S_PN_BIT   (7<<0)
#define	GTPU_V1_VER   (1<<5)
#define	GTPU_PT_GTP   (1<<4)
#define	GTPU_TYPE_GTPU   255
#define	foreach_gtpu_input_next
#define	gtpu_error(n, s)   GTPU_ERROR_##n,

Enumerations
enum	gtpu_input_next_t { GTPU_INPUT_N_NEXT }
enum	gtpu_input_error_t { GTPU_N_ERROR }

Functions
typedef	CLIB_PACKED (struct{ip4_header_t ip4;udp_header_t udp;gtpu_header_t gtpu;}) ip4_gtpu_header_t
typedef	CLIB_PACKED (struct{ip6_header_t ip6;udp_header_t udp;gtpu_header_t gtpu;}) ip6_gtpu_header_t
typedef	CLIB_PACKED (struct{union{struct{u32 src;u32 teid;};u64 as_u64;};}) gtpu4_tunnel_key_t
typedef	CLIB_PACKED (struct{ip6_address_t src;u32 teid;}) gtpu6_tunnel_key_t
u8 *	format_gtpu_encap_trace (u8 *s, va_list *args)
int	vnet_gtpu_add_del_tunnel (vnet_gtpu_add_del_tunnel_args_t *a, u32 *sw_if_indexp)
void	vnet_int_gtpu_bypass_mode (u32 sw_if_index, u8 is_ip6, u8 is_enable)

Variables
gtpu_main_t	gtpu_main
vlib_node_registration_t	gtpu4_input_node
	(constructor) VLIB_REGISTER_NODE (gtpu4_input_node) More...
vlib_node_registration_t	gtpu6_input_node
	(constructor) VLIB_REGISTER_NODE (gtpu6_input_node) More...
vlib_node_registration_t	gtpu4_encap_node
	(constructor) VLIB_REGISTER_NODE (gtpu4_encap_node) More...
vlib_node_registration_t	gtpu6_encap_node
	(constructor) VLIB_REGISTER_NODE (gtpu6_encap_node) More...

Macro Definition Documentation

#define foreach_gtpu_input_next

Value:

_(DROP, "error-drop")                  \
_(L2_INPUT, "l2-input")                \
_(IP4_INPUT,  "ip4-input")             \
_(IP6_INPUT, "ip6-input" )

Definition at line 178 of file gtpu.h.

#define GTPU_E_BIT   (1<<2)

Definition at line 69 of file gtpu.h.

#define GTPU_E_S_PN_BIT   (7<<0)

Definition at line 72 of file gtpu.h.

#define gtpu_error	(		n,
			s
	)		GTPU_ERROR_##n,

Definition at line 194 of file gtpu.h.

#define GTPU_PN_BIT   (1<<0)

Definition at line 71 of file gtpu.h.

#define GTPU_PT_BIT   (1<<4)

Definition at line 68 of file gtpu.h.

#define GTPU_PT_GTP   (1<<4)

Definition at line 76 of file gtpu.h.

#define GTPU_S_BIT   (1<<1)

Definition at line 70 of file gtpu.h.

#define GTPU_TYPE_GTPU   255

Definition at line 77 of file gtpu.h.

#define GTPU_V1_HDR_LEN   8

Definition at line 65 of file gtpu.h.

#define GTPU_V1_VER   (1<<5)

Definition at line 74 of file gtpu.h.

#define GTPU_VER_MASK   (7<<5)

Definition at line 67 of file gtpu.h.

Enumeration Type Documentation

enum gtpu_input_error_t

Enumerator
GTPU_N_ERROR

Definition at line 192 of file gtpu.h.

enum gtpu_input_next_t

Enumerator
GTPU_INPUT_N_NEXT

Definition at line 184 of file gtpu.h.

Function Documentation

typedef CLIB_PACKED

(

struct{ip4_header_t ip4;udp_header_t udp;gtpu_header_t gtpu;}

)

typedef CLIB_PACKED

(

struct{ip6_header_t ip6;udp_header_t udp;gtpu_header_t gtpu;}

)

typedef CLIB_PACKED

(

struct{union{struct{u32 src;u32 teid;};u64 as_u64;};}

)

typedef CLIB_PACKED

(

struct{ip6_address_t src;u32 teid;}

)

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

Definition at line 56 of file gtpu_encap.c.

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int vnet_gtpu_add_del_tunnel	(	vnet_gtpu_add_del_tunnel_args_t *	a,
		u32 *	sw_if_indexp
	)

Definition at line 360 of file gtpu.c.

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void vnet_int_gtpu_bypass_mode	(	u32	sw_if_index,
		u8	is_ip6,
		u8	is_enable
	)

Definition at line 908 of file gtpu.c.

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Variable Documentation

vlib_node_registration_t gtpu4_encap_node

(constructor) VLIB_REGISTER_NODE (gtpu4_encap_node)

Definition at line 681 of file gtpu_encap.c.

vlib_node_registration_t gtpu4_input_node

Initial value:

= {
  .function = gtpu4_input,
  .name = "gtpu4-input",
  
  .vector_size = sizeof (u32),

  .n_errors = GTPU_N_ERROR,
  .error_strings = gtpu_error_strings,

  .n_next_nodes = GTPU_INPUT_N_NEXT,
  .next_nodes = {
#define _(s,n) 
    foreach_gtpu_input_next

  },


  .format_trace = format_gtpu_rx_trace,
  
}

(constructor) VLIB_REGISTER_NODE (gtpu4_input_node)

Definition at line 810 of file gtpu_decap.c.

vlib_node_registration_t gtpu6_encap_node

(constructor) VLIB_REGISTER_NODE (gtpu6_encap_node)

Definition at line 699 of file gtpu_encap.c.

vlib_node_registration_t gtpu6_input_node

Initial value:

= {
  .function = gtpu6_input,
  .name = "gtpu6-input",
  
  .vector_size = sizeof (u32),

  .n_errors = GTPU_N_ERROR,
  .error_strings = gtpu_error_strings,

  .n_next_nodes = GTPU_INPUT_N_NEXT,
  .next_nodes = {
#define _(s,n) 
    foreach_gtpu_input_next

  },


  .format_trace = format_gtpu_rx_trace,
  
}

(constructor) VLIB_REGISTER_NODE (gtpu6_input_node)

Definition at line 833 of file gtpu_decap.c.

gtpu_main_t gtpu_main

Definition at line 35 of file gtpu.c.