nsh.h File Reference

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Data Structures
struct	nsh_option_map_by_key_t
struct	nsh_option_map_t
struct	nsh_entry_t
	Note: rewrite and rewrite_size used to support varied nsh header. More...
struct	nsh_add_del_entry_args_t
struct	nsh_map_t
struct	nsh_add_del_map_args_t
struct	nsh_proxy_session_by_key_t
struct	nsh_proxy_session_t
struct	nsh_main_t
struct	nsh_input_trace_t

Macros
#define	MAX_METADATA_LEN   62
#define	MAX_MD2_OPTIONS   256
#define	foreach_copy_nsh_base_hdr_field
#define	foreach_nsh_node_error
#define	foreach_nsh_node_next
#define	VNET_SW_INTERFACE_FLAG_ADMIN_DOWN   0
#define	NSH_MD2_IOAM_CLASS   0x9
#define	NSH_MD2_IOAM_OPTION_TYPE_TRACE   0x3B
#define	NSH_MD2_IOAM_OPTION_TYPE_PROOF_OF_TRANSIT   0x3C
#define	NSH_MD2_IOAM_TRACE_DUMMY_LEN   0x8
#define	MAX_NSH_HEADER_LEN   256
#define	MAX_NSH_OPTION_LEN   128

Typedefs
typedef struct _nsh_main_dummy	nsh_main_dummy_t

Enumerations
enum	nsh_input_error_t { NSH_NODE_N_ERROR }
enum	nsh_node_next_t { NSH_NODE_N_NEXT }
enum	nsh_action_type { NSH_ACTION_SWAP, NSH_ACTION_PUSH, NSH_ACTION_POP }
enum	nsh_entity_type { NSH_INPUT_TYPE, NSH_PROXY_TYPE, NSH_CLASSIFIER_TYPE, NSH_AWARE_VNF_PROXY_TYPE }

Functions
u8 *	format_nsh_input_map_trace (u8 *s, va_list *args)
u8 *	format_nsh_header_with_length (u8 *s, va_list *args)
int	nsh_md2_register_option (u16 class, u8 type, u8 option_size, int add_options(u8 *opt, u8 *opt_size), int options(vlib_buffer_t *b, nsh_tlv_header_t *opt), int swap_options(vlib_buffer_t *b, nsh_tlv_header_t *old_opt, nsh_tlv_header_t *new_opt), int pop_options(vlib_buffer_t *b, nsh_tlv_header_t *opt), u8 *trace(u8 *s, nsh_tlv_header_t *opt))

Variables
nsh_main_t	nsh_main
vlib_node_registration_t	nsh_aware_vnf_proxy_node
	(constructor) VLIB_REGISTER_NODE (nsh_aware_vnf_proxy_node) More...
vlib_node_registration_t	nsh_eth_output_node
	(constructor) VLIB_REGISTER_NODE (nsh_eth_output_node) More...

Macro Definition Documentation

#define foreach_copy_nsh_base_hdr_field

Value:

_(ver_o_c)                                      \
_(length)                                       \
_(md_type)                                      \
_(next_protocol)                                \
_(nsp_nsi)

Definition at line 180 of file nsh.h.

#define foreach_nsh_node_error

Value:

_(MAPPED, "NSH header found and mapped") \
_(NO_MAPPING, "no mapping for nsh key") \
_(NO_ENTRY, "no entry for nsh key") \
_(NO_PROXY, "no proxy for transport key") \
_(INVALID_NEXT_PROTOCOL, "invalid next protocol") \
_(INVALID_OPTIONS, "invalid md2 options") \
_(INVALID_TTL, "ttl equals zero") \

Definition at line 188 of file nsh.h.

#define foreach_nsh_node_next

Value:

_(DROP, "error-drop")                   \
  _(ENCAP_GRE4, "gre4-input" )          \
  _(ENCAP_GRE6, "gre6-input" )          \
  _(ENCAP_VXLANGPE, "vxlan-gpe-encap" ) \
  _(ENCAP_VXLAN4, "vxlan4-encap" )  \
  _(ENCAP_VXLAN6, "vxlan6-encap" )  \
  _(DECAP_ETH_INPUT, "ethernet-input" ) \
  _(ENCAP_LISP_GPE, "interface-output" )  \
  _(ENCAP_ETHERNET, "nsh-eth-output")   \
/*   _(DECAP_IP4_INPUT,  "ip4-input") \ */

Definition at line 205 of file nsh.h.

#define MAX_MD2_OPTIONS   256

Definition at line 103 of file nsh.h.

#define MAX_METADATA_LEN   62

Definition at line 32 of file nsh.h.

#define MAX_NSH_HEADER_LEN   256

Definition at line 247 of file nsh.h.

#define MAX_NSH_OPTION_LEN   128

Definition at line 248 of file nsh.h.

#define NSH_MD2_IOAM_CLASS   0x9

Definition at line 241 of file nsh.h.

#define NSH_MD2_IOAM_OPTION_TYPE_PROOF_OF_TRANSIT   0x3C

Definition at line 243 of file nsh.h.

#define NSH_MD2_IOAM_OPTION_TYPE_TRACE   0x3B

Definition at line 242 of file nsh.h.

#define NSH_MD2_IOAM_TRACE_DUMMY_LEN   0x8

Definition at line 245 of file nsh.h.

#define VNET_SW_INTERFACE_FLAG_ADMIN_DOWN   0

Definition at line 238 of file nsh.h.

Typedef Documentation

typedef struct _nsh_main_dummy nsh_main_dummy_t

Enumeration Type Documentation

enum nsh_action_type

Enumerator
NSH_ACTION_SWAP
NSH_ACTION_PUSH
NSH_ACTION_POP

Definition at line 225 of file nsh.h.

enum nsh_entity_type

Enumerator
NSH_INPUT_TYPE
NSH_PROXY_TYPE
NSH_CLASSIFIER_TYPE
NSH_AWARE_VNF_PROXY_TYPE

Definition at line 231 of file nsh.h.

enum nsh_input_error_t

Enumerator
NSH_NODE_N_ERROR

Definition at line 197 of file nsh.h.

enum nsh_node_next_t

Enumerator
NSH_NODE_N_NEXT

Definition at line 218 of file nsh.h.

Function Documentation

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

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

int nsh_md2_register_option	(	u16	class,
		u8	type,
		u8	option_size,
		int	add_optionsu8 *opt, u8 *opt_size,
		int	optionsvlib_buffer_t *b, nsh_tlv_header_t *opt,
		int	swap_optionsvlib_buffer_t *b, nsh_tlv_header_t *old_opt, nsh_tlv_header_t *new_opt,
		int	pop_optionsvlib_buffer_t *b, nsh_tlv_header_t *opt,
		u8 *	traceu8 *s, nsh_tlv_header_t *opt
	)

Definition at line 125 of file nsh.c.

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Variable Documentation

vlib_node_registration_t nsh_aware_vnf_proxy_node

(constructor) VLIB_REGISTER_NODE (nsh_aware_vnf_proxy_node)

Definition at line 2425 of file nsh.c.

vlib_node_registration_t nsh_eth_output_node

(constructor) VLIB_REGISTER_NODE (nsh_eth_output_node)

Definition at line 334 of file nsh_output.c.

nsh_main_t nsh_main

Definition at line 167 of file nsh.h.