BFD nodes implementation. More...

Include dependency graph for bfd_main.c:

Macros
#define	F(t, n) BFD_OUTPUT_##t,

#define	F(t, n) [BFD_TRANSPORT_##t] = BFD_OUTPUT_##t,

#define	F(n, t, s)

#define	F(n, t, s)

#define	F(t, n) [BFD_OUTPUT_##t] = n,

Enumerations
enum	bfd_output_next_t { foreach_bfd_transport }

enum	bfd_input_next_t { BFD_INPUT_NEXT_NORMAL, BFD_INPUT_N_NEXT }

Functions
static u64	bfd_us_to_clocks (bfd_main_t *bm, u64 us)

static void	bfd_on_state_change (bfd_main_t bm, bfd_session_t bs, u64 now, int handling_wakeup)

static void	bfd_set_defaults (bfd_main_t bm, bfd_session_t bs)

static void	bfd_set_diag (bfd_session_t *bs, bfd_diag_code_e code)

static void	bfd_set_state (bfd_main_t bm, bfd_session_t bs, bfd_state_e new_state, int handling_wakeup)

static void	bfd_recalc_tx_interval (bfd_main_t bm, bfd_session_t bs)

static void	bfd_calc_next_tx (bfd_main_t bm, bfd_session_t bs, u64 now)

static void	bfd_recalc_detection_time (bfd_main_t bm, bfd_session_t bs)

static void	bfd_set_timer (bfd_main_t bm, bfd_session_t bs, u64 now, int handling_wakeup)

static void	bfd_set_desired_min_tx (bfd_main_t bm, bfd_session_t bs, u64 now, u32 desired_min_tx_us, int handling_wakeup)

static void	bfd_set_remote_required_min_rx (bfd_main_t bm, bfd_session_t bs, u64 now, u32 remote_required_min_rx_us, int handling_wakeup)

void	bfd_session_start (bfd_main_t bm, bfd_session_t bs)

vnet_api_error_t	bfd_del_session (uword bs_idx)

const char *	bfd_diag_code_string (bfd_diag_code_e diag)

const char *	bfd_state_string (bfd_state_e state)

vnet_api_error_t	bfd_session_set_flags (u32 bs_idx, u8 admin_up_down)

u8 *	bfd_input_format_trace (u8 s, va_list args)

static void	bfd_add_transport_layer (vlib_main_t vm, vlib_buffer_t b, bfd_session_t *bs)

static vlib_buffer_t *	bfd_create_frame (vlib_main_t vm, vlib_node_runtime_t rt, bfd_session_t *bs)

static void	bfd_init_control_frame (vlib_buffer_t b, bfd_session_t bs)

static void	bfd_send_periodic (vlib_main_t vm, vlib_node_runtime_t rt, bfd_main_t bm, bfd_session_t bs, u64 now, int handling_wakeup)

void	bfd_send_final (vlib_main_t vm, vlib_buffer_t b, bfd_session_t *bs)

static void	bfd_check_rx_timeout (bfd_main_t bm, bfd_session_t bs, u64 now, int handling_wakeup)

void	bfd_on_timeout (vlib_main_t vm, vlib_node_runtime_t rt, bfd_main_t bm, bfd_session_t bs, u64 now)

static uword	bfd_process (vlib_main_t vm, vlib_node_runtime_t rt, vlib_frame_t *f)

static clib_error_t *	bfd_sw_interface_up_down (vnet_main_t *vnm, u32 sw_if_index, u32 flags)

	VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (bfd_sw_interface_up_down)

static clib_error_t *	bfd_hw_interface_up_down (vnet_main_t *vnm, u32 hw_if_index, u32 flags)

	VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (bfd_hw_interface_up_down)

static clib_error_t *	bfd_main_init (vlib_main_t *vm)

bfd_session_t *	bfd_get_session (bfd_main_t *bm, bfd_transport_t t)

void	bfd_put_session (bfd_main_t bm, bfd_session_t bs)

bfd_session_t *	bfd_find_session_by_idx (bfd_main_t *bm, uword bs_idx)

bfd_session_t *	bfd_find_session_by_disc (bfd_main_t *bm, u32 disc)

int	bfd_verify_pkt_common (const bfd_pkt_t *pkt)
	verify bfd packet - common checks More...

int	bfd_verify_pkt_session (const bfd_pkt_t pkt, u16 pkt_size, const bfd_session_t bs)
	verify bfd packet - authentication More...

void	bfd_consume_pkt (bfd_main_t bm, const bfd_pkt_t pkt, u32 bs_idx)

u8 *	format_bfd_session (u8 s, va_list args)

Variables
static vlib_node_registration_t	bfd_process_node
	(constructor) VLIB_REGISTER_NODE (bfd_process_node) More...

static u32	bfd_next_index_by_transport []

bfd_main_t	bfd_main

Detailed Description

BFD nodes implementation.

Definition in file bfd_main.c.

Macro Definition Documentation

#define F	(	t,
		n
	)	BFD_OUTPUT_##t,

Definition at line 39 of file bfd_main.c.

#define F	(	t,
		n
	)	[BFD_TRANSPORT_##t] = BFD_OUTPUT_##t,

Definition at line 39 of file bfd_main.c.

#define F	(	n,
		t,
		s
	)

Value:

case BFD_DIAG_CODE_NAME (t): \

return s;

BFD_DIAG_CODE_NAME

#define BFD_DIAG_CODE_NAME(t)

Definition: bfd_protocol.h:117

Definition at line 39 of file bfd_main.c.

#define F	(	n,
		t,
		s
	)

Value:

case BFD_STATE_NAME (t): \

return s;

BFD_STATE_NAME

#define BFD_STATE_NAME(t)

Definition: bfd_protocol.h:135

Definition at line 39 of file bfd_main.c.

#define F	(	t,
		n
	)	[BFD_OUTPUT_##t] = n,

Definition at line 39 of file bfd_main.c.

Enumeration Type Documentation

enum bfd_input_next_t

Enumerator
BFD_INPUT_NEXT_NORMAL
BFD_INPUT_N_NEXT

Definition at line 56 of file bfd_main.c.

enum bfd_output_next_t

Enumerator
foreach_bfd_transport

Definition at line 37 of file bfd_main.c.

Function Documentation

static void bfd_add_transport_layer	(	vlib_main_t *	vm,
		vlib_buffer_t *	b,
		bfd_session_t *	bs
	)

static

Definition at line 425 of file bfd_main.c.

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static void bfd_calc_next_tx	(	bfd_main_t *	bm,
		bfd_session_t *	bs,
		u64	now
	)

static

Definition at line 122 of file bfd_main.c.

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static void bfd_check_rx_timeout	(	bfd_main_t *	bm,
		bfd_session_t *	bs,
		u64	now,
		int	handling_wakeup
	)

static

Definition at line 543 of file bfd_main.c.

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void bfd_consume_pkt	(	bfd_main_t *	bm,
		const bfd_pkt_t *	pkt,
		u32	bs_idx
	)

Definition at line 875 of file bfd_main.c.

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static vlib_buffer_t* bfd_create_frame	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	rt,
		bfd_session_t *	bs
	)

static

Definition at line 440 of file bfd_main.c.

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vnet_api_error_t bfd_del_session ( uword bs_idx )

Definition at line 288 of file bfd_main.c.

const char* bfd_diag_code_string ( bfd_diag_code_e diag )

Definition at line 306 of file bfd_main.c.

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bfd_session_t* bfd_find_session_by_disc	(	bfd_main_t *	bm,
		u32	disc
	)

Definition at line 774 of file bfd_main.c.

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bfd_session_t* bfd_find_session_by_idx	(	bfd_main_t *	bm,
		uword	bs_idx
	)

Definition at line 764 of file bfd_main.c.

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bfd_session_t* bfd_get_session	(	bfd_main_t *	bm,
		bfd_transport_t	t
	)

Definition at line 743 of file bfd_main.c.

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static clib_error_t* bfd_hw_interface_up_down	(	vnet_main_t *	vnm,
		u32	hw_if_index,
		u32	flags
	)

static

Definition at line 708 of file bfd_main.c.

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static void bfd_init_control_frame	(	vlib_buffer_t *	b,
		bfd_session_t *	bs
	)

static

Definition at line 468 of file bfd_main.c.

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

Definition at line 354 of file bfd_main.c.

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static clib_error_t* bfd_main_init ( vlib_main_t * vm )

static

Definition at line 724 of file bfd_main.c.

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static void bfd_on_state_change	(	bfd_main_t *	bm,
		bfd_session_t *	bs,
		u64	now,
		int	handling_wakeup
	)

static

Definition at line 392 of file bfd_main.c.

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void bfd_on_timeout	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	rt,
		bfd_main_t *	bm,
		bfd_session_t *	bs,
		u64	now
	)

Definition at line 558 of file bfd_main.c.

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static uword bfd_process	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	rt,
		vlib_frame_t *	f
	)

static

Definition at line 588 of file bfd_main.c.

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void bfd_put_session	(	bfd_main_t *	bm,
		bfd_session_t *	bs
	)

Definition at line 757 of file bfd_main.c.

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static void bfd_recalc_detection_time	(	bfd_main_t *	bm,
		bfd_session_t *	bs
	)

static

Definition at line 178 of file bfd_main.c.

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static void bfd_recalc_tx_interval	(	bfd_main_t *	bm,
		bfd_session_t *	bs
	)

static

Definition at line 105 of file bfd_main.c.

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void bfd_send_final	(	vlib_main_t *	vm,
		vlib_buffer_t *	b,
		bfd_session_t *	bs
	)

Definition at line 534 of file bfd_main.c.

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static void bfd_send_periodic	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	rt,
		bfd_main_t *	bm,
		bfd_session_t *	bs,
		u64	now,
		int	handling_wakeup
	)

static

Definition at line 493 of file bfd_main.c.

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vnet_api_error_t bfd_session_set_flags	(	u32	bs_idx,
		u8	admin_up_down
	)

Definition at line 332 of file bfd_main.c.

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void bfd_session_start	(	bfd_main_t *	bm,
		bfd_session_t *	bs
	)

Definition at line 279 of file bfd_main.c.

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static void bfd_set_defaults	(	bfd_main_t *	bm,
		bfd_session_t *	bs
	)

static

Definition at line 66 of file bfd_main.c.

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static void bfd_set_desired_min_tx	(	bfd_main_t *	bm,
		bfd_session_t *	bs,
		u64	now,
		u32	desired_min_tx_us,
		int	handling_wakeup
	)

static

Definition at line 248 of file bfd_main.c.

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static void bfd_set_diag	(	bfd_session_t *	bs,
		bfd_diag_code_e	code
	)

static

Definition at line 80 of file bfd_main.c.

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static void bfd_set_remote_required_min_rx	(	bfd_main_t *	bm,
		bfd_session_t *	bs,
		u64	now,
		u32	remote_required_min_rx_us,
		int	handling_wakeup
	)

static

Definition at line 263 of file bfd_main.c.

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static void bfd_set_state	(	bfd_main_t *	bm,
		bfd_session_t *	bs,
		bfd_state_e	new_state,
		int	handling_wakeup
	)

static

Definition at line 91 of file bfd_main.c.

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static void bfd_set_timer	(	bfd_main_t *	bm,
		bfd_session_t *	bs,
		u64	now,
		int	handling_wakeup
	)

static

Definition at line 201 of file bfd_main.c.

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const char* bfd_state_string ( bfd_state_e state )

Definition at line 319 of file bfd_main.c.

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static clib_error_t* bfd_sw_interface_up_down	(	vnet_main_t *	vnm,
		u32	sw_if_index,
		u32	flags
	)

static

Definition at line 694 of file bfd_main.c.

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static u64 bfd_us_to_clocks	(	bfd_main_t *	bm,
		u64	us
	)

static

Definition at line 30 of file bfd_main.c.

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int bfd_verify_pkt_common ( const bfd_pkt_t * pkt )

verify bfd packet - common checks

Parameters

pkt

Returns: 1 if bfd packet is valid

Definition at line 792 of file bfd_main.c.

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int bfd_verify_pkt_session	(	const bfd_pkt_t *	pkt,
		u16	pkt_size,
		const bfd_session_t *	bs
	)

verify bfd packet - authentication

Parameters

pkt

Returns: 1 if bfd packet is valid

Definition at line 848 of file bfd_main.c.

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

Definition at line 939 of file bfd_main.c.

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VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION ( bfd_hw_interface_up_down )

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VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION ( bfd_sw_interface_up_down )

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Variable Documentation

bfd_main_t bfd_main

Definition at line 961 of file bfd_main.c.

u32 bfd_next_index_by_transport[]

static

Initial value:

= {
#define F(t, n) 
  foreach_bfd_transport (F)
}

Definition at line 45 of file bfd_main.c.

static vlib_node_registration_t bfd_process_node

static

Initial value:

= {
  .function = bfd_process,
  .type = VLIB_NODE_TYPE_PROCESS,
  .name = "bfd-process",
  .n_next_nodes = BFD_OUTPUT_N_NEXT,
  .next_nodes =
      {
#define F(t, n) 
          foreach_bfd_transport (F)
      },
}

(constructor) VLIB_REGISTER_NODE (bfd_process_node)

Definition at line 35 of file bfd_main.c.

Macros

Enumerations

Functions

Variables

Detailed Description

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation