bfd_udp.c File Reference

Include dependency graph for bfd_udp.c:

Go to the source code of this file.

Data Structures
struct	bfd_udp_main_t
struct	bfd_rpc_update_t

Macros
#define	foreach_bfd_udp_error(F)
#define	F(sym, string)   static char BFD_UDP_ERR_##sym##_STR[] = string;
#define	F(sym, string)   BFD_UDP_ERR_##sym##_STR,
#define	F(sym, str)   BFD_UDP_ERROR_##sym,

Enumerations
enum	bfd_udp_input_next_t { BFD_UDP_INPUT_NEXT_NORMAL, BFD_UDP_INPUT_NEXT_REPLY, BFD_UDP_INPUT_N_NEXT }
enum	bfd_udp_error_t { foreach_bfd_udp_error }

Functions
void	bfd_udp_transport_to_buffer (vlib_main_t *vm, vlib_buffer_t *b, bfd_udp_session_t *bus)
void	bfd_add_udp_transport (vlib_main_t *vm, vlib_buffer_t *b, bfd_udp_session_t *bus)
static bfd_session_t *	bfd_lookup_session (bfd_udp_main_t *bum, const bfd_udp_key_t *key)
static vnet_api_error_t	bfd_udp_add_session_internal (bfd_udp_main_t *bum, u32 sw_if_index, u32 desired_min_tx_us, u32 required_min_rx_us, u8 detect_mult, const ip46_address_t *local_addr, const ip46_address_t *peer_addr)
static vnet_api_error_t	bfd_udp_validate_api_input (u32 sw_if_index, const ip46_address_t *local_addr, const ip46_address_t *peer_addr)
vnet_api_error_t	bfd_udp_add_session (u32 sw_if_index, u32 desired_min_tx_us, u32 required_min_rx_us, u8 detect_mult, const ip46_address_t *local_addr, const ip46_address_t *peer_addr)
vnet_api_error_t	bfd_udp_del_session (u32 sw_if_index, const ip46_address_t *local_addr, const ip46_address_t *peer_addr)
static void	bfd_udp4_find_headers (vlib_buffer_t *b, const ip4_header_t **ip4, const udp_header_t **udp)
static bfd_udp_error_t	bfd_udp4_verify_transport (const ip4_header_t *ip4, const udp_header_t *udp, const bfd_session_t *bs)
static void	bfd_rpc_update_session_cb (const bfd_rpc_update_t *a)
static void	bfd_rpc_update_session (u32 bs_idx, const bfd_pkt_t *pkt)
static bfd_udp_error_t	bfd_udp4_scan (vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_buffer_t *b, bfd_session_t **bs_out)
static bfd_udp_error_t	bfd_udp6_scan (vlib_main_t *vm, vlib_buffer_t *b)
static uword	bfd_udp_input (vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f, int is_ipv6)
static uword	bfd_udp4_input (vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)
static uword	bfd_udp6_input (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_udp_init (vlib_main_t *vm)

Variables
static vlib_node_registration_t	bfd_udp4_input_node
	(constructor) VLIB_REGISTER_NODE (bfd_udp4_input_node) More...
static vlib_node_registration_t	bfd_udp6_input_node
	(constructor) VLIB_REGISTER_NODE (bfd_udp6_input_node) More...
bfd_udp_main_t	bfd_udp_main
static char *	bfd_udp_error_strings []

Macro Definition Documentation

#define F	(		sym,
			string
	)		static char BFD_UDP_ERR_##sym##_STR[] = string;

Definition at line 308 of file bfd_udp.c.

#define F	(		sym,
			string
	)		BFD_UDP_ERR_##sym##_STR,

Definition at line 308 of file bfd_udp.c.

#define F	(		sym,
			str
	)		BFD_UDP_ERROR_##sym,

Definition at line 308 of file bfd_udp.c.

foreach_bfd_udp_error

(

F

)

Value:

F (NONE, "good bfd packets (processed)") \
  F (BAD, "invalid bfd packets")           \
  F (DISABLED, "bfd packets received on disabled interfaces")

Definition at line 292 of file bfd_udp.c.

Enumeration Type Documentation

enum bfd_udp_error_t

Enumerator
foreach_bfd_udp_error

Definition at line 307 of file bfd_udp.c.

enum bfd_udp_input_next_t

Enumerator
BFD_UDP_INPUT_NEXT_NORMAL
BFD_UDP_INPUT_NEXT_REPLY
BFD_UDP_INPUT_N_NEXT

Definition at line 285 of file bfd_udp.c.

Function Documentation

void bfd_add_udp_transport	(	vlib_main_t *	vm,
		vlib_buffer_t *	b,
		bfd_udp_session_t *	bus
	)

Definition at line 75 of file bfd_udp.c.

Here is the call graph for this function:

Here is the caller graph for this function:

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

static

Definition at line 614 of file bfd_udp.c.

Here is the call graph for this function:

static bfd_session_t* bfd_lookup_session ( bfd_udp_main_t *  bum, const bfd_udp_key_t *  key  )

static

Definition at line 83 of file bfd_udp.c.

Here is the call graph for this function:

Here is the caller graph for this function:

static void bfd_rpc_update_session ( u32  bs_idx, const bfd_pkt_t *  pkt  )

static

Definition at line 384 of file bfd_udp.c.

Here is the call graph for this function:

Here is the caller graph for this function:

static void bfd_rpc_update_session_cb ( const bfd_rpc_update_t *  a )

static

Definition at line 379 of file bfd_udp.c.

Here is the call graph for this function:

Here is the caller graph for this function:

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

static

Definition at line 601 of file bfd_udp.c.

Here is the call graph for this function:

static void bfd_udp4_find_headers ( vlib_buffer_t *  b, const ip4_header_t **  ip4, const udp_header_t **  udp  )

static

Definition at line 314 of file bfd_udp.c.

Here is the call graph for this function:

Here is the caller graph for this function:

static uword bfd_udp4_input ( vlib_main_t *  vm, vlib_node_runtime_t *  rt, vlib_frame_t *  f  )

static

Definition at line 544 of file bfd_udp.c.

Here is the call graph for this function:

static bfd_udp_error_t bfd_udp4_scan ( vlib_main_t *  vm, vlib_node_runtime_t *  rt, vlib_buffer_t *  b, bfd_session_t **  bs_out  )

static

Definition at line 397 of file bfd_udp.c.

Here is the call graph for this function:

Here is the caller graph for this function:

static bfd_udp_error_t bfd_udp4_verify_transport ( const ip4_header_t *  ip4, const udp_header_t *  udp, const bfd_session_t *  bs  )

static

Definition at line 337 of file bfd_udp.c.

Here is the caller graph for this function:

static uword bfd_udp6_input ( vlib_main_t *  vm, vlib_node_runtime_t *  rt, vlib_frame_t *  f  )

static

Definition at line 574 of file bfd_udp.c.

Here is the call graph for this function:

static bfd_udp_error_t bfd_udp6_scan ( vlib_main_t *  vm, vlib_buffer_t *  b  )

static

Definition at line 460 of file bfd_udp.c.

Here is the caller graph for this function:

vnet_api_error_t bfd_udp_add_session	(	u32	sw_if_index,
		u32	desired_min_tx_us,
		u32	required_min_rx_us,
		u8	detect_mult,
		const ip46_address_t *	local_addr,
		const ip46_address_t *	peer_addr
	)

Definition at line 223 of file bfd_udp.c.

Here is the call graph for this function:

Here is the caller graph for this function:

static vnet_api_error_t bfd_udp_add_session_internal ( bfd_udp_main_t *  bum, u32  sw_if_index, u32  desired_min_tx_us, u32  required_min_rx_us, u8  detect_mult, const ip46_address_t *  local_addr, const ip46_address_t *  peer_addr  )

static

Definition at line 95 of file bfd_udp.c.

Here is the call graph for this function:

Here is the caller graph for this function:

vnet_api_error_t bfd_udp_del_session	(	u32	sw_if_index,
		const ip46_address_t *	local_addr,
		const ip46_address_t *	peer_addr
	)

Definition at line 249 of file bfd_udp.c.

Here is the call graph for this function:

Here is the caller graph for this function:

static clib_error_t* bfd_udp_init ( vlib_main_t *  vm )

static

Definition at line 629 of file bfd_udp.c.

Here is the call graph for this function:

static uword bfd_udp_input ( vlib_main_t *  vm, vlib_node_runtime_t *  rt, vlib_frame_t *  f, int  is_ipv6  )

static

Definition at line 470 of file bfd_udp.c.

Here is the call graph for this function:

Here is the caller graph for this function:

void bfd_udp_transport_to_buffer	(	vlib_main_t *	vm,
		vlib_buffer_t *	b,
		bfd_udp_session_t *	bus
	)

Definition at line 34 of file bfd_udp.c.

Here is the call graph for this function:

Here is the caller graph for this function:

static vnet_api_error_t bfd_udp_validate_api_input ( u32  sw_if_index, const ip46_address_t *  local_addr, const ip46_address_t *  peer_addr  )

static

Definition at line 155 of file bfd_udp.c.

Here is the call graph for this function:

Here is the caller graph for this function:

VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION

(

bfd_hw_interface_up_down

)

Here is the caller graph for this function:

VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION

(

bfd_sw_interface_up_down

)

Here is the caller graph for this function:

Variable Documentation

static vlib_node_registration_t bfd_udp4_input_node

static

Initial value:

= {
  .function = bfd_udp4_input,
  .name = "bfd-udp4-input",
  .vector_size = sizeof (u32),
  .type = VLIB_NODE_TYPE_INTERNAL,

  .n_errors = BFD_UDP_N_ERROR,
  .error_strings = bfd_udp_error_strings,

  .format_trace = bfd_input_format_trace,

  .n_next_nodes = BFD_UDP_INPUT_N_NEXT,
  .next_nodes =
      {
              [BFD_UDP_INPUT_NEXT_NORMAL] = "error-drop",
              [BFD_UDP_INPUT_NEXT_REPLY] = "ip4-lookup",
      },
}

(constructor) VLIB_REGISTER_NODE (bfd_udp4_input_node)

Definition at line 29 of file bfd_udp.c.

static vlib_node_registration_t bfd_udp6_input_node

static

Initial value:

= {
  .function = bfd_udp6_input,
  .name = "bfd-udp6-input",
  .vector_size = sizeof (u32),
  .type = VLIB_NODE_TYPE_INTERNAL,

  .n_errors = BFD_UDP_N_ERROR,
  .error_strings = bfd_udp_error_strings,

  .format_trace = bfd_input_format_trace,

  .n_next_nodes = BFD_UDP_INPUT_N_NEXT,
  .next_nodes =
      {
              [BFD_UDP_INPUT_NEXT_NORMAL] = "error-drop",
              [BFD_UDP_INPUT_NEXT_REPLY] = "ip6-lookup",
      },
}

(constructor) VLIB_REGISTER_NODE (bfd_udp6_input_node)

Definition at line 30 of file bfd_udp.c.

char* bfd_udp_error_strings[]

static

Initial value:

= {
#define F(sym, string) 
  foreach_bfd_udp_error (F)

}

Definition at line 301 of file bfd_udp.c.

bfd_udp_main_t bfd_udp_main

Definition at line 32 of file bfd_udp.c.