snap.h File Reference

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Data Structures
union	snap_header_t
struct	snap_oui_and_protocol_t
struct	snap_protocol_info_t
struct	snap_main_t

Macros
#define	foreach_ieee_oui
#define	foreach_snap_cisco_protocol
#define	foreach_snap_error

Enumerations
enum	ieee_oui_t { foreach_ieee_oui }
enum	snap_cisco_protocol_t { foreach_snap_cisco_protocol }
enum	snap_error_t { SNAP_N_ERROR }

Functions
always_inline void	snap_header_set_protocol (snap_header_t *h, snap_oui_and_protocol_t *p)
always_inline u32	snap_header_get_oui (snap_header_t *h)
always_inline snap_protocol_info_t *	snap_get_protocol_info (snap_main_t *sm, snap_header_t *h)
void	snap_register_input_protocol (vlib_main_t *vm, char *name, u32 ieee_oui, u16 protocol, u32 node_index)
void	snap_set_adjacency (vnet_rewrite_header_t *rw, uword max_data_bytes, u32 ieee_oui, u16 protocol)
always_inline void	snap_setup_node (vlib_main_t *vm, u32 node_index)

Variables
snap_main_t	snap_main
format_function_t	format_snap_protocol
format_function_t	format_snap_header
format_function_t	format_snap_header_with_length
unformat_function_t	unformat_snap_protocol
unformat_function_t	unformat_snap_header
unformat_function_t	unformat_pg_snap_header

Macro Definition Documentation

#define foreach_ieee_oui

Value:

_ (0x000000, ethernet)                  \
  _ (0x00000c, cisco)

Definition at line 46 of file snap.h.

#define foreach_snap_cisco_protocol

Value:

_ (0x0102, drip)                                \
  _ (0x0104, port_aggregation_protocol)         \
  _ (0x0105, mls_hello)                         \
  _ (0x010b, per_vlan_spanning_tree)            \
  _ (0x010c, vlan_bridge)                       \
  _ (0x0111, unidirectional_link_detection)     \
  _ (0x2000, cdp)                               \
  _ (0x2001, cgmp)                              \
  _ (0x2003, vtp)                               \
  _ (0x2004, dtp)                               \
  _ (0x200a, stp_uplink_fast)

Definition at line 56 of file snap.h.

#define foreach_snap_error

Value:

_ (NONE, "no error")                            \
  _ (UNKNOWN_PROTOCOL, "unknown oui/snap protocol")

Definition at line 116 of file snap.h.

Enumeration Type Documentation

enum ieee_oui_t

Enumerator
foreach_ieee_oui

Definition at line 50 of file snap.h.

enum snap_cisco_protocol_t

Enumerator
foreach_snap_cisco_protocol

Definition at line 69 of file snap.h.

enum snap_error_t

Enumerator
SNAP_N_ERROR

Definition at line 120 of file snap.h.

Function Documentation

always_inline snap_protocol_info_t* snap_get_protocol_info	(	snap_main_t *	sm,
		snap_header_t *	h
	)

Definition at line 147 of file snap.h.

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always_inline u32 snap_header_get_oui

(

snap_header_t *

h

)

Definition at line 141 of file snap.h.

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always_inline void snap_header_set_protocol	(	snap_header_t *	h,
		snap_oui_and_protocol_t *	p
	)

Definition at line 106 of file snap.h.

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void snap_register_input_protocol	(	vlib_main_t *	vm,
		char *	name,
		u32	ieee_oui,
		u16	protocol,
		u32	node_index
	)

Definition at line 305 of file node.c.

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void snap_set_adjacency	(	vnet_rewrite_header_t *	rw,
		uword	max_data_bytes,
		u32	ieee_oui,
		u16	protocol
	)

always_inline void snap_setup_node	(	vlib_main_t *	vm,
		u32	node_index
	)

Definition at line 186 of file snap.h.

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Variable Documentation

format_function_t format_snap_header

Definition at line 175 of file snap.h.

format_function_t format_snap_header_with_length

Definition at line 176 of file snap.h.

format_function_t format_snap_protocol

Definition at line 174 of file snap.h.

snap_main_t snap_main

Definition at line 159 of file snap.h.

unformat_function_t unformat_pg_snap_header

Definition at line 183 of file snap.h.

unformat_function_t unformat_snap_header

Definition at line 182 of file snap.h.

unformat_function_t unformat_snap_protocol

Definition at line 179 of file snap.h.