Include dependency graph for lisp_gpe_fwd_entry.c:

Macros
#define	L2_FIB_DEFAULT_HASH_NUM_BUCKETS (64 * 1024)

#define	L2_FIB_DEFAULT_HASH_MEMORY_SIZE (32<<20)

Typedefs
typedef enum lisp_gpe_fwd_entry_format_flag_t_	lisp_gpe_fwd_entry_format_flag_t

Enumerations
enum	lisp_gpe_fwd_entry_format_flag_t_ { LISP_GPE_FWD_ENTRY_FORMAT_NONE = (0 << 0), LISP_GPE_FWD_ENTRY_FORMAT_DETAIL = (1 << 1) }

Functions
static u32	ip_dst_fib_add_route (u32 dst_fib_index, const ip_prefix_t *dst_prefix)
	Add route to IP4 or IP6 Destination FIB. More...

static void	ip_src_dst_fib_del_route (u32 src_fib_index, const ip_prefix_t src_prefix, u32 dst_fib_index, const ip_prefix_t dst_prefix)
	Del route to IP4 or IP6 SD FIB. More...

static void	ip_src_fib_add_route_w_dpo (u32 src_fib_index, const ip_prefix_t src_prefix, const dpo_id_t src_dpo)
	Add route to IP4 or IP6 SRC FIB. More...

static fib_route_path_t *	lisp_gpe_mk_fib_paths (const lisp_fwd_path_t *paths)

static void	ip_src_fib_add_route (u32 src_fib_index, const ip_prefix_t src_prefix, const lisp_fwd_path_t paths)
	Add route to IP4 or IP6 SRC FIB. More...

static void	create_fib_entries (lisp_gpe_fwd_entry_t *lfe)

static void	delete_fib_entries (lisp_gpe_fwd_entry_t *lfe)

static void	gid_to_dp_address (gid_address_t g, dp_address_t d)

static lisp_gpe_fwd_entry_t *	find_fwd_entry (lisp_gpe_main_t lgm, vnet_lisp_gpe_add_del_fwd_entry_args_t a, lisp_gpe_fwd_entry_key_t *key)

static int	lisp_gpe_fwd_entry_path_sort (void a1, void a2)

static void	lisp_gpe_fwd_entry_mk_paths (lisp_gpe_fwd_entry_t lfe, vnet_lisp_gpe_add_del_fwd_entry_args_t a)

static int	add_ip_fwd_entry (lisp_gpe_main_t lgm, vnet_lisp_gpe_add_del_fwd_entry_args_t a)
	Add/Delete LISP IP forwarding entry. More...

static void	del_ip_fwd_entry_i (lisp_gpe_main_t lgm, lisp_gpe_fwd_entry_t lfe)

static int	del_ip_fwd_entry (lisp_gpe_main_t lgm, vnet_lisp_gpe_add_del_fwd_entry_args_t a)
	Add/Delete LISP IP forwarding entry. More...

static void	make_mac_fib_key (BVT(clib_bihash_kv)*kv, u16 bd_index, u8 src_mac[6], u8 dst_mac[6])

index_t	lisp_l2_fib_lookup (lisp_gpe_main_t *lgm, u16 bd_index, u8 src_mac[6], u8 dst_mac[6])
	Lookup L2 SD FIB entry. More...

static u32	lisp_l2_fib_add_del_entry (u16 bd_index, u8 src_mac[6], u8 dst_mac[6], const dpo_id_t *dpo, u8 is_add)
	Add/del L2 SD FIB entry. More...

static void	l2_fib_init (lisp_gpe_main_t *lgm)

static void	del_l2_fwd_entry_i (lisp_gpe_main_t lgm, lisp_gpe_fwd_entry_t lfe)

static int	del_l2_fwd_entry (lisp_gpe_main_t lgm, vnet_lisp_gpe_add_del_fwd_entry_args_t a)
	Delete LISP L2 forwarding entry. More...

static void	lisp_gpe_l2_update_fwding (lisp_gpe_fwd_entry_t *lfe)
	Construct and insert the forwarding information used by a L2 entry. More...

static int	add_l2_fwd_entry (lisp_gpe_main_t lgm, vnet_lisp_gpe_add_del_fwd_entry_args_t a)
	Add LISP L2 forwarding entry. More...

static lisp_gpe_fwd_entry_t *	lisp_gpe_fwd_entry_from_fib_node (fib_node_t *node)
	conver from the embedded fib_node_t struct to the LSIP entry More...

static fib_node_back_walk_rc_t	lisp_gpe_fib_node_back_walk (fib_node_t node, fib_node_back_walk_ctx_t ctx)
	Function invoked during a backwalk of the FIB graph. More...

static fib_node_t *	lisp_gpe_fwd_entry_get_fib_node (fib_node_index_t index)
	Get a fib_node_t struct from the index of a LISP fwd entry. More...

static void	lisp_gpe_fwd_entry_fib_node_last_lock_gone (fib_node_t *node)
	An indication from the graph that the last lock has gone. More...

int	vnet_lisp_gpe_add_del_fwd_entry (vnet_lisp_gpe_add_del_fwd_entry_args_t a, u32 hw_if_indexp)
	Forwarding entry create/remove dispatcher. More...

void	vnet_lisp_gpe_fwd_entry_flush (void)
	Flush all the forwrding entries. More...

static u8 *	format_lisp_fwd_path (u8 *s, va_list ap)

static u8 *	format_lisp_gpe_fwd_entry (u8 *s, va_list ap)

static clib_error_t *	lisp_gpe_fwd_entry_show (vlib_main_t vm, unformat_input_t input, vlib_cli_command_t *cmd)

clib_error_t *	lisp_gpe_fwd_entry_init (vlib_main_t *vm)

Variables
static const fib_node_vft_t	lisp_fwd_vft
	Virtual function table to register with FIB for the LISP type. More...

static vlib_cli_command_t	lisp_gpe_fwd_entry_show_command
	(constructor) VLIB_CLI_COMMAND (lisp_gpe_fwd_entry_show_command) More...

Macro Definition Documentation

#define L2_FIB_DEFAULT_HASH_MEMORY_SIZE (32<<20)

Definition at line 602 of file lisp_gpe_fwd_entry.c.

#define L2_FIB_DEFAULT_HASH_NUM_BUCKETS (64 * 1024)

Definition at line 601 of file lisp_gpe_fwd_entry.c.

Typedef Documentation

typedef enum lisp_gpe_fwd_entry_format_flag_t_ lisp_gpe_fwd_entry_format_flag_t

Enumeration Type Documentation

enum lisp_gpe_fwd_entry_format_flag_t_

Enumerator
LISP_GPE_FWD_ENTRY_FORMAT_NONE
LISP_GPE_FWD_ENTRY_FORMAT_DETAIL

Definition at line 925 of file lisp_gpe_fwd_entry.c.

Function Documentation

static int add_ip_fwd_entry	(	lisp_gpe_main_t *	lgm,
		vnet_lisp_gpe_add_del_fwd_entry_args_t *	a
	)

static

Add/Delete LISP IP forwarding entry.

creation of forwarding entries for IP LISP overlay:

Parameters

[in]	lgm	Reference to lisp_gpe_main_t.
[in]	a	Parameters for building the forwarding entry.

Returns: 0 on success.

Definition at line 425 of file lisp_gpe_fwd_entry.c.

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static int add_l2_fwd_entry	(	lisp_gpe_main_t *	lgm,
		vnet_lisp_gpe_add_del_fwd_entry_args_t *	a
	)

static

Add LISP L2 forwarding entry.

Coordinates the creation of forwarding entries for L2 LISP overlay: creates lisp-gpe tunnel and injects new entry in Source/Dest L2 FIB.

Parameters

[in]	lgm	Reference to lisp_gpe_main_t.
[in]	a	Parameters for building the forwarding entry.

Returns: 0 on success.

Definition at line 714 of file lisp_gpe_fwd_entry.c.

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static void create_fib_entries ( lisp_gpe_fwd_entry_t * lfe )

static

Definition at line 283 of file lisp_gpe_fwd_entry.c.

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static int del_ip_fwd_entry	(	lisp_gpe_main_t *	lgm,
		vnet_lisp_gpe_add_del_fwd_entry_args_t *	a
	)

static

Add/Delete LISP IP forwarding entry.

removal of forwarding entries for IP LISP overlay:

Parameters

[in]	lgm	Reference to lisp_gpe_main_t.
[in]	a	Parameters for building the forwarding entry.

Returns: 0 on success.

Definition at line 500 of file lisp_gpe_fwd_entry.c.

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static void del_ip_fwd_entry_i	(	lisp_gpe_main_t *	lgm,
		lisp_gpe_fwd_entry_t *	lfe
	)

static

Definition at line 468 of file lisp_gpe_fwd_entry.c.

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static int del_l2_fwd_entry	(	lisp_gpe_main_t *	lgm,
		vnet_lisp_gpe_add_del_fwd_entry_args_t *	a
	)

static

Delete LISP L2 forwarding entry.

Coordinates the removal of forwarding entries for L2 LISP overlay:

Parameters

[in]	lgm	Reference to lisp_gpe_main_t.
[in]	a	Parameters for building the forwarding entry.

Returns: 0 on success.

Definition at line 657 of file lisp_gpe_fwd_entry.c.

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static void del_l2_fwd_entry_i	(	lisp_gpe_main_t *	lgm,
		lisp_gpe_fwd_entry_t *	lfe
	)

static

Definition at line 623 of file lisp_gpe_fwd_entry.c.

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static void delete_fib_entries ( lisp_gpe_fwd_entry_t * lfe )

static

Definition at line 325 of file lisp_gpe_fwd_entry.c.

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static lisp_gpe_fwd_entry_t* find_fwd_entry	(	lisp_gpe_main_t *	lgm,
		vnet_lisp_gpe_add_del_fwd_entry_args_t *	a,
		lisp_gpe_fwd_entry_key_t *	key
	)

static

Definition at line 351 of file lisp_gpe_fwd_entry.c.

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static u8* format_lisp_fwd_path	(	u8 *	s,
		va_list	ap
	)

static

Definition at line 912 of file lisp_gpe_fwd_entry.c.

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static u8* format_lisp_gpe_fwd_entry	(	u8 *	s,
		va_list	ap
	)

static

Definition at line 933 of file lisp_gpe_fwd_entry.c.

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static void gid_to_dp_address	(	gid_address_t *	g,
		dp_address_t *	d
	)

static

Definition at line 333 of file lisp_gpe_fwd_entry.c.

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static u32 ip_dst_fib_add_route	(	u32	dst_fib_index,
		const ip_prefix_t *	dst_prefix
	)

static

Add route to IP4 or IP6 Destination FIB.

Add a route to the destination FIB that results in the lookup in the SRC FIB. The SRC FIB is created is it does not yet exist.

Parameters

[in]	dst_table_id	Destination FIB Table-ID
[in]	dst_prefix	Destination IP prefix.

Returns: src_fib_index The index/ID of the SRC FIB created.

Definition at line 42 of file lisp_gpe_fwd_entry.c.

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static void ip_src_dst_fib_del_route	(	u32	src_fib_index,
		const ip_prefix_t *	src_prefix,
		u32	dst_fib_index,
		const ip_prefix_t *	dst_prefix
	)

static

Del route to IP4 or IP6 SD FIB.

Remove routes from both destination and source FIBs.

Parameters

[in]	src_fib_index	The index/ID of the SRC FIB
[in]	src_prefix	Source IP prefix.
[in]	dst_fib_index	The index/ID of the DST FIB
[in]	dst_prefix	Destination IP prefix.

Definition at line 139 of file lisp_gpe_fwd_entry.c.

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static void ip_src_fib_add_route	(	u32	src_fib_index,
		const ip_prefix_t *	src_prefix,
		const lisp_fwd_path_t *	paths
	)

static

Add route to IP4 or IP6 SRC FIB.

Adds a route to in the LISP SRC FIB for the tunnel.

Parameters

[in]	src_fib_index	The index/ID of the SRC FIB
[in]	src_prefix	Source IP prefix.
[in]	paths	The paths from which to construct the load balance

Definition at line 264 of file lisp_gpe_fwd_entry.c.

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static void ip_src_fib_add_route_w_dpo	(	u32	src_fib_index,
		const ip_prefix_t *	src_prefix,
		const dpo_id_t *	src_dpo
	)

static

Add route to IP4 or IP6 SRC FIB.

Adds a route to in the LISP SRC FIB with the result of the route being the DPO passed.

Parameters

[in]	src_fib_index	The index/ID of the SRC FIB
[in]	src_prefix	Source IP prefix.
[in]	src_dpo	The DPO the route will link to.

Definition at line 197 of file lisp_gpe_fwd_entry.c.

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static void l2_fib_init ( lisp_gpe_main_t * lgm )

static

Definition at line 605 of file lisp_gpe_fwd_entry.c.

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static fib_node_back_walk_rc_t lisp_gpe_fib_node_back_walk	(	fib_node_t *	node,
		fib_node_back_walk_ctx_t *	ctx
	)

static

Function invoked during a backwalk of the FIB graph.

Definition at line 802 of file lisp_gpe_fwd_entry.c.

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static void lisp_gpe_fwd_entry_fib_node_last_lock_gone ( fib_node_t * node )

static

An indication from the graph that the last lock has gone.

Definition at line 828 of file lisp_gpe_fwd_entry.c.

static lisp_gpe_fwd_entry_t* lisp_gpe_fwd_entry_from_fib_node ( fib_node_t * node )

static

conver from the embedded fib_node_t struct to the LSIP entry

Definition at line 791 of file lisp_gpe_fwd_entry.c.

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static fib_node_t* lisp_gpe_fwd_entry_get_fib_node ( fib_node_index_t index )

static

Get a fib_node_t struct from the index of a LISP fwd entry.

Definition at line 814 of file lisp_gpe_fwd_entry.c.

clib_error_t* lisp_gpe_fwd_entry_init ( vlib_main_t * vm )

Definition at line 1030 of file lisp_gpe_fwd_entry.c.

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static void lisp_gpe_fwd_entry_mk_paths	(	lisp_gpe_fwd_entry_t *	lfe,
		vnet_lisp_gpe_add_del_fwd_entry_args_t *	a
	)

static

Definition at line 391 of file lisp_gpe_fwd_entry.c.

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static int lisp_gpe_fwd_entry_path_sort	(	void *	a1,
		void *	a2
	)

static

Definition at line 383 of file lisp_gpe_fwd_entry.c.

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static clib_error_t* lisp_gpe_fwd_entry_show	(	vlib_main_t *	vm,
		unformat_input_t *	input,
		vlib_cli_command_t *	cmd
	)

static

Definition at line 979 of file lisp_gpe_fwd_entry.c.

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static void lisp_gpe_l2_update_fwding ( lisp_gpe_fwd_entry_t * lfe )

static

Construct and insert the forwarding information used by a L2 entry.

Definition at line 677 of file lisp_gpe_fwd_entry.c.

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static fib_route_path_t* lisp_gpe_mk_fib_paths ( const lisp_fwd_path_t * paths )

static

Definition at line 223 of file lisp_gpe_fwd_entry.c.

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static u32 lisp_l2_fib_add_del_entry	(	u16	bd_index,
		u8	src_mac[6],
		u8	dst_mac[6],
		const dpo_id_t *	dpo,
		u8	is_add
	)

static

Add/del L2 SD FIB entry.

Inserts value in L2 FIB keyed by vni + dest + source. If entry is overwritten the associated value is returned.

Parameters

[in]	lgm	Reference to lisp_gpe_main_t.
[in]	bd_index	Bridge domain index.
[in]	src_mac	Source mac address.
[in]	dst_mac	Destination mac address.
[in]	val	Value to add.
[in]	is_add	Add/del flag.

Returns: ~0 or value of overwritten entry.

Definition at line 579 of file lisp_gpe_fwd_entry.c.

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index_t lisp_l2_fib_lookup	(	lisp_gpe_main_t *	lgm,
		u16	bd_index,
		u8	src_mac[6],
		u8	dst_mac[6]
	)

Lookup L2 SD FIB entry.

Does a vni + dest + source lookup in the L2 LISP FIB. If the lookup fails it tries a second time with source set to 0 (i.e., a simple dest lookup).

Parameters

[in]	lgm	Reference to lisp_gpe_main_t.
[in]	bd_index	Bridge domain index.
[in]	src_mac	Source mac address.
[in]	dst_mac	Destination mac address.

Returns: index of mapping matching the lookup key.

Definition at line 540 of file lisp_gpe_fwd_entry.c.

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static void make_mac_fib_key	(	BVT(clib_bihash_kv)*	kv,
		u16	bd_index,
		u8	src_mac[6],
		u8	dst_mac[6]
	)

static

Definition at line 518 of file lisp_gpe_fwd_entry.c.

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int vnet_lisp_gpe_add_del_fwd_entry	(	vnet_lisp_gpe_add_del_fwd_entry_args_t *	a,
		u32 *	hw_if_indexp
	)

Forwarding entry create/remove dispatcher.

Calls l2 or l3 forwarding entry add/del function based on input data.

Parameters

[in]	a	Forwarding entry parameters.
[out]	hw_if_indexp	NOT USED

Returns: 0 on success.

Definition at line 854 of file lisp_gpe_fwd_entry.c.

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void vnet_lisp_gpe_fwd_entry_flush ( void )

Flush all the forwrding entries.

Definition at line 890 of file lisp_gpe_fwd_entry.c.

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Variable Documentation

const fib_node_vft_t lisp_fwd_vft

static

Initial value:

= {
  .fnv_get = lisp_gpe_fwd_entry_get_fib_node,
  .fnv_last_lock = lisp_gpe_fwd_entry_fib_node_last_lock_gone,
  .fnv_back_walk = lisp_gpe_fib_node_back_walk,
}

Virtual function table to register with FIB for the LISP type.

Definition at line 837 of file lisp_gpe_fwd_entry.c.

vlib_cli_command_t lisp_gpe_fwd_entry_show_command

static

Initial value:

= {
  .path = "show lisp gpe entry",
  .short_help = "show lisp gpe entry vni <vni> vrf <vrf> [leid <leid>] reid <reid>",
  .function = lisp_gpe_fwd_entry_show,
}

(constructor) VLIB_CLI_COMMAND (lisp_gpe_fwd_entry_show_command)

Definition at line 1022 of file lisp_gpe_fwd_entry.c.

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

Typedef Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation