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Data Structures
struct	l2fib_main_t

struct	l2fib_entry_key_t

struct	l2fib_seq_num_t

struct	l2fib_entry_result_t

Macros
#define	L2FIB_NUM_BUCKETS (64 * 1024)

#define	L2FIB_MEMORY_SIZE (512<<20)

#define	L2FIB_AGE_SCAN_INTERVAL (60.0)

#define	L2FIB_EVENT_SCAN_DELAY_DEFAULT (0.1)

#define	L2FIB_EVENT_MAX_MACS_DEFAULT (100)

#define	L2FIB_EVENT_LEARN_LIMIT_DEFAULT (1000)

Enumerations
enum	l2_mac_event_action_t { MAC_EVENT_ACTION_ADD = 0, MAC_EVENT_ACTION_DELETE = 1, MAC_EVENT_ACTION_MOVE = 2 }

Functions
	STATIC_ASSERT_SIZEOF (l2fib_entry_key_t, 8)

	STATIC_ASSERT_SIZEOF (l2fib_entry_result_t, 8)

static u32	l2fib_compute_hash_bucket (l2fib_entry_key_t *key)
	Compute the hash for the given key and return the corresponding bucket index. More...

static u64	l2fib_make_key (u8 *mac_address, u16 bd_index)
	make address sanitizer skip this: The 6-Bytes mac-address is cast into an 8-Bytes u64, with 2 additional Bytes. More...

static_always_inline void	l2fib_lookup_1 (BVT(clib_bihash)mac_table, l2fib_entry_key_t cached_key, l2fib_entry_result_t cached_result, u8 mac0, u16 bd_index0, l2fib_entry_key_t key0, u32 bucket0, l2fib_entry_result_t *result0)
	Lookup the entry for mac and bd_index in the mac table for 1 packet. More...

static_always_inline void	l2fib_lookup_2 (BVT(clib_bihash)mac_table, l2fib_entry_key_t cached_key, l2fib_entry_result_t cached_result, u8 mac0, u8 mac1, u16 bd_index0, u16 bd_index1, l2fib_entry_key_t key0, l2fib_entry_key_t key1, u32 bucket0, u32 bucket1, l2fib_entry_result_t result0, l2fib_entry_result_t *result1)
	Lookup the entry for mac and bd_index in the mac table for 2 packets. More...

static_always_inline void	l2fib_lookup_4 (BVT(clib_bihash)mac_table, l2fib_entry_key_t cached_key, l2fib_entry_result_t cached_result, u8 mac0, u8 mac1, u8 mac2, u8 mac3, u16 bd_index0, u16 bd_index1, u16 bd_index2, u16 bd_index3, l2fib_entry_key_t key0, l2fib_entry_key_t key1, l2fib_entry_key_t key2, l2fib_entry_key_t key3, u32 bucket0, u32 bucket1, u32 bucket2, u32 bucket3, l2fib_entry_result_t result0, l2fib_entry_result_t result1, l2fib_entry_result_t result2, l2fib_entry_result_t *result3)

void	l2fib_clear_table (void)

void	l2fib_add_entry (u8 *mac, u32 bd_index, u32 sw_if_index, u8 static_mac, u8 drop_mac, u8 bvi_mac)
	Add an entry to the l2fib. More...

static void	l2fib_add_fwd_entry (u8 *mac, u32 bd_index, u32 sw_if_index, u8 static_mac, u8 bvi_mac)

static void	l2fib_add_filter_entry (u8 *mac, u32 bd_index)

u32	l2fib_del_entry (u8 *mac, u32 bd_index, u32 sw_if_index)
	Delete an entry from the l2fib. More...

void	l2fib_start_ager_scan (vlib_main_t *vm)
	Kick off ager to scan MACs to age/delete MAC entries. More...

void	l2fib_flush_int_mac (vlib_main_t *vm, u32 sw_if_index)
	Flush all non static MACs from an interface. More...

void	l2fib_flush_bd_mac (vlib_main_t *vm, u32 bd_index)
	Flush all non static MACs in a bridge domain. More...

void	l2fib_flush_all_mac (vlib_main_t *vm)
	Flush all non static MACs - flushes all valid BDs. More...

void	l2fib_table_dump (u32 bd_index, l2fib_entry_key_t l2fe_key, l2fib_entry_result_t l2fe_res)

u8 *	format_vnet_sw_if_index_name_with_NA (u8 s, va_list args)
	Format sw_if_index. More...

static_always_inline u8 *	l2fib_swif_seq_num (u32 sw_if_index)

static_always_inline u8 *	l2fib_valid_swif_seq_num (u32 sw_if_index)

	BVT (clib_bihash)*get_mac_table(void)

Variables
l2fib_main_t	l2fib_main

Macro Definition Documentation

#define L2FIB_AGE_SCAN_INTERVAL (60.0)

Definition at line 31 of file l2_fib.h.

#define L2FIB_EVENT_LEARN_LIMIT_DEFAULT (1000)

Definition at line 40 of file l2_fib.h.

#define L2FIB_EVENT_MAX_MACS_DEFAULT (100)

Definition at line 37 of file l2_fib.h.

#define L2FIB_EVENT_SCAN_DELAY_DEFAULT (0.1)

Definition at line 34 of file l2_fib.h.

#define L2FIB_MEMORY_SIZE (512<<20)

Definition at line 28 of file l2_fib.h.

#define L2FIB_NUM_BUCKETS (64 * 1024)

Definition at line 27 of file l2_fib.h.

Enumeration Type Documentation

enum l2_mac_event_action_t

Enumerator
MAC_EVENT_ACTION_ADD
MAC_EVENT_ACTION_DELETE
MAC_EVENT_ACTION_MOVE

Definition at line 134 of file l2_fib.h.

Function Documentation

BVT ( clib_bihash )

Definition at line 944 of file l2_fib.c.

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

Format sw_if_index.

If the value is ~0, use the text "N/A"

Definition at line 70 of file l2_fib.c.

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void l2fib_add_entry	(	u8 *	mac,
		u32	bd_index,
		u32	sw_if_index,
		u8	static_mac,
		u8	filter_mac,
		u8	bvi_mac
	)

Add an entry to the l2fib.

If the entry already exists then overwrite it

Definition at line 375 of file l2_fib.c.

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static void l2fib_add_filter_entry	(	u8 *	mac,
		u32	bd_index
	)

inlinestatic

Definition at line 400 of file l2_fib.h.

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static void l2fib_add_fwd_entry	(	u8 *	mac,
		u32	bd_index,
		u32	sw_if_index,
		u8	static_mac,
		u8	bvi_mac
	)

inlinestatic

Definition at line 393 of file l2_fib.h.

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void l2fib_clear_table ( void )

Definition at line 317 of file l2_fib.c.

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static u32 l2fib_compute_hash_bucket ( l2fib_entry_key_t * key )

inlinestatic

Compute the hash for the given key and return the corresponding bucket index.

Definition at line 146 of file l2_fib.h.

u32 l2fib_del_entry	(	u8 *	mac,
		u32	bd_index,
		u32	sw_if_index
	)

Delete an entry from the l2fib.

Return 0 if the entry was deleted, or 1 it was not found or if sw_if_index is non-zero and does not match that in the entry.

Definition at line 662 of file l2_fib.c.

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void l2fib_flush_all_mac ( vlib_main_t * vm )

Flush all non static MACs - flushes all valid BDs.

Definition at line 802 of file l2_fib.c.

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void l2fib_flush_bd_mac	(	vlib_main_t *	vm,
		u32	bd_index
	)

Flush all non static MACs in a bridge domain.

Definition at line 791 of file l2_fib.c.

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void l2fib_flush_int_mac	(	vlib_main_t *	vm,
		u32	sw_if_index
	)

Flush all non static MACs from an interface.

Definition at line 781 of file l2_fib.c.

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static_always_inline void l2fib_lookup_1	(	BVT(clib_bihash)*	mac_table,
		l2fib_entry_key_t *	cached_key,
		l2fib_entry_result_t *	cached_result,
		u8 *	mac0,
		u16	bd_index0,
		l2fib_entry_key_t *	key0,
		u32 *	bucket0,
		l2fib_entry_result_t *	result0
	)

Lookup the entry for mac and bd_index in the mac table for 1 packet.

Cached_key and cached_result are used as a one-entry cache. The function reads and updates them as needed.

mac0 and bd_index0 are the keys. The entry is written to result0. If the entry was not found, result0 is set to ~0.

key0 and bucket0 return with the computed key and hash bucket, convenient if the entry needs to be updated afterward. If the cached_result was used, bucket0 is set to ~0.

Definition at line 209 of file l2_fib.h.

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static_always_inline void l2fib_lookup_2	(	BVT(clib_bihash)*	mac_table,
		l2fib_entry_key_t *	cached_key,
		l2fib_entry_result_t *	cached_result,
		u8 *	mac0,
		u8 *	mac1,
		u16	bd_index0,
		u16	bd_index1,
		l2fib_entry_key_t *	key0,
		l2fib_entry_key_t *	key1,
		u32 *	bucket0,
		u32 *	bucket1,
		l2fib_entry_result_t *	result0,
		l2fib_entry_result_t *	result1
	)

Lookup the entry for mac and bd_index in the mac table for 2 packets.

The lookups for the two packets are interleaved.

Cached_key and cached_result are used as a one-entry cache. The function reads and updates them as needed.

mac0 and bd_index0 are the keys. The entry is written to result0. If the entry was not found, result0 is set to ~0. The same holds for mac1/bd_index1/result1.

Definition at line 255 of file l2_fib.h.

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static_always_inline void l2fib_lookup_4	(	BVT(clib_bihash)*	mac_table,
		l2fib_entry_key_t *	cached_key,
		l2fib_entry_result_t *	cached_result,
		u8 *	mac0,
		u8 *	mac1,
		u8 *	mac2,
		u8 *	mac3,
		u16	bd_index0,
		u16	bd_index1,
		u16	bd_index2,
		u16	bd_index3,
		l2fib_entry_key_t *	key0,
		l2fib_entry_key_t *	key1,
		l2fib_entry_key_t *	key2,
		l2fib_entry_key_t *	key3,
		u32 *	bucket0,
		u32 *	bucket1,
		u32 *	bucket2,
		u32 *	bucket3,
		l2fib_entry_result_t *	result0,
		l2fib_entry_result_t *	result1,
		l2fib_entry_result_t *	result2,
		l2fib_entry_result_t *	result3
	)

Definition at line 308 of file l2_fib.h.

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static u64 l2fib_make_key	(	u8 *	mac_address,
		u16	bd_index
	)

inlinestatic

make address sanitizer skip this: The 6-Bytes mac-address is cast into an 8-Bytes u64, with 2 additional Bytes.

l2fib_make_key() does read those two Bytes but does not use them.

Definition at line 166 of file l2_fib.h.

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void l2fib_start_ager_scan ( vlib_main_t * vm )

Kick off ager to scan MACs to age/delete MAC entries.

Definition at line 758 of file l2_fib.c.

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static_always_inline u8* l2fib_swif_seq_num ( u32 sw_if_index )

Definition at line 422 of file l2_fib.h.

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void l2fib_table_dump	(	u32	bd_index,
		l2fib_entry_key_t **	l2fe_key,
		l2fib_entry_result_t **	l2fe_res
	)

Definition at line 86 of file l2_fib.c.

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static_always_inline u8* l2fib_valid_swif_seq_num ( u32 sw_if_index )

Definition at line 429 of file l2_fib.h.

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STATIC_ASSERT_SIZEOF	(	l2fib_entry_key_t	,
		8
	)

STATIC_ASSERT_SIZEOF	(	l2fib_entry_result_t	,
		8
	)

Variable Documentation

l2fib_main_t l2fib_main

Definition at line 55 of file l2_fib.c.

Data Structures

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation