bfd_udp.h File Reference

BFD UDP transport layer declarations. More...

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Data Structures
struct	bfd_udp_session_t
	UDP transport specific data embedded in bfd_session's union. More...
struct	bfd_udp_echo_input_trace_t
	bfd udp echo packet trace capture More...

Functions
typedef	CLIB_PACKED (struct { union { u32 sw_if_index;u32 fib_index;};ip46_address_t local_addr;ip46_address_t peer_addr;}) bfd_udp_key_t
	identifier of BFD session based on UDP transport only More...
int	bfd_add_udp4_transport (vlib_main_t *vm, u32 bi, const struct bfd_session_s *bs, int is_echo)
	add the necessary transport layer by prepending it to existing data More...
int	bfd_add_udp6_transport (vlib_main_t *vm, u32 bi, const struct bfd_session_s *bs, int is_echo)
	add the necessary transport layer by prepending it to existing data More...
int	bfd_transport_udp4 (vlib_main_t *vm, u32 bi, const struct bfd_session_s *bs)
	transport packet over udpv4 More...
int	bfd_transport_udp6 (vlib_main_t *vm, u32 bi, const struct bfd_session_s *bs)
	transport packet over udpv6 More...
int	bfd_udp_is_echo_available (bfd_transport_e transport)
	check if the bfd udp layer is echo-capable at this time More...
void	bfd_udp_get_echo_source (int *is_set, u32 *sw_if_index, int *have_usable_ip4, ip4_address_t *ip4, int *have_usable_ip6, ip6_address_t *ip6)
	get echo source information - used by CLI More...

Detailed Description

BFD UDP transport layer declarations.

Definition in file bfd_udp.h.

Function Documentation

bfd_add_udp4_transport()

int bfd_add_udp4_transport	(	vlib_main_t *	vm,
		u32	bi,
		const struct bfd_session_s *	bs,
		int	is_echo
	)

add the necessary transport layer by prepending it to existing data

Parameters

is_echo

1 if this is echo packet, 0 if control frame

Returns

1 on success, 0 on failure

bfd_add_udp6_transport()

int bfd_add_udp6_transport	(	vlib_main_t *	vm,
		u32	bi,
		const struct bfd_session_s *	bs,
		int	is_echo
	)

add the necessary transport layer by prepending it to existing data

Parameters

is_echo

1 if this is echo packet, 0 if control frame

Returns

1 on success, 0 on failure

bfd_transport_udp4()

int bfd_transport_udp4	(	vlib_main_t *	vm,
		u32	bi,
		const struct bfd_session_s *	bs
	)

transport packet over udpv4

Parameters

is_echo

1 if this is echo packet, 0 if control frame

Returns

1 on success, 0 on failure

Definition at line 416 of file bfd_udp.c.

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bfd_transport_udp6()

int bfd_transport_udp6	(	vlib_main_t *	vm,
		u32	bi,
		const struct bfd_session_s *	bs
	)

transport packet over udpv6

Parameters

is_echo

1 if this is echo packet, 0 if control frame

Returns

1 on success, 0 on failure

Definition at line 428 of file bfd_udp.c.

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bfd_udp_get_echo_source()

void bfd_udp_get_echo_source	(	int *	is_set,
		u32 *	sw_if_index,
		int *	have_usable_ip4,
		ip4_address_t *	ip4,
		int *	have_usable_ip6,
		ip6_address_t *	ip6
	)

get echo source information - used by CLI

Definition at line 230 of file bfd_udp.c.

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bfd_udp_is_echo_available()

int bfd_udp_is_echo_available

(

bfd_transport_e

transport

)

check if the bfd udp layer is echo-capable at this time

Returns

1 if available, 0 otherwise

Definition at line 100 of file bfd_udp.c.

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CLIB_PACKED()

typedef CLIB_PACKED

(

struct { union { u32 sw_if_index;u32 fib_index;};ip46_address_t local_addr;ip46_address_t peer_addr;}

)

identifier of BFD session based on UDP transport only