transport.c File Reference

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Macros
#define	PORT_MASK   ((1 << 16)- 1)

Functions
u8 *	format_transport_proto (u8 *s, va_list *args)
u8 *	format_transport_proto_short (u8 *s, va_list *args)
u8 *	format_transport_connection (u8 *s, va_list *args)
u8 *	format_transport_listen_connection (u8 *s, va_list *args)
u8 *	format_transport_half_open_connection (u8 *s, va_list *args)
static u8	unformat_transport_str_match (unformat_input_t *input, const char *str)
uword	unformat_transport_proto (unformat_input_t *input, va_list *args)
u32	transport_endpoint_lookup (transport_endpoint_table_t *ht, u8 proto, ip46_address_t *ip, u16 port)
void	transport_endpoint_table_add (transport_endpoint_table_t *ht, u8 proto, transport_endpoint_t *te, u32 value)
void	transport_endpoint_table_del (transport_endpoint_table_t *ht, u8 proto, transport_endpoint_t *te)
void	transport_register_protocol (transport_proto_t transport_proto, const transport_proto_vft_t *vft, fib_protocol_t fib_proto, u32 output_node)
	Register transport virtual function table. More...
transport_proto_vft_t *	transport_protocol_get_vft (transport_proto_t transport_proto)
	Get transport virtual function table. More...
u8	transport_half_open_has_fifos (transport_proto_t tp)
transport_service_type_t	transport_protocol_service_type (transport_proto_t tp)
transport_tx_fn_type_t	transport_protocol_tx_fn_type (transport_proto_t tp)
void	transport_cleanup (transport_proto_t tp, u32 conn_index, u8 thread_index)
int	transport_connect (transport_proto_t tp, transport_endpoint_cfg_t *tep)
void	transport_close (transport_proto_t tp, u32 conn_index, u8 thread_index)
void	transport_reset (transport_proto_t tp, u32 conn_index, u8 thread_index)
u32	transport_start_listen (transport_proto_t tp, u32 session_index, transport_endpoint_t *tep)
u32	transport_stop_listen (transport_proto_t tp, u32 conn_index)
u8	transport_protocol_is_cl (transport_proto_t tp)
static void	default_get_transport_endpoint (transport_connection_t *tc, transport_endpoint_t *tep, u8 is_lcl)
void	transport_get_endpoint (transport_proto_t tp, u32 conn_index, u32 thread_index, transport_endpoint_t *tep, u8 is_lcl)
void	transport_get_listener_endpoint (transport_proto_t tp, u32 conn_index, transport_endpoint_t *tep, u8 is_lcl)
void	transport_endpoint_del (u32 tepi)
static transport_endpoint_t *	transport_endpoint_new (void)
void	transport_endpoint_cleanup (u8 proto, ip46_address_t *lcl_ip, u16 port)
static void	transport_endpoint_mark_used (u8 proto, ip46_address_t *ip, u16 port)
int	transport_alloc_local_port (u8 proto, ip46_address_t *ip)
	Allocate local port and add if successful add entry to local endpoint table to mark the pair as used. More...
static clib_error_t *	transport_get_interface_ip (u32 sw_if_index, u8 is_ip4, ip46_address_t *addr)
static clib_error_t *	transport_find_local_ip_for_remote (u32 sw_if_index, transport_endpoint_t *rmt, ip46_address_t *lcl_addr)
int	transport_alloc_local_endpoint (u8 proto, transport_endpoint_cfg_t *rmt_cfg, ip46_address_t *lcl_addr, u16 *lcl_port)
u8 *	format_clib_us_time (u8 *s, va_list *args)
u8 *	format_transport_pacer (u8 *s, va_list *args)
static u32	spacer_max_burst (spacer_t *pacer, clib_us_time_t time_now)
static void	spacer_update_bucket (spacer_t *pacer, u32 bytes)
static void	spacer_set_pace_rate (spacer_t *pacer, u64 rate_bytes_per_sec, clib_us_time_t rtt)
static u64	spacer_pace_rate (spacer_t *pacer)
static void	spacer_reset (spacer_t *pacer, clib_us_time_t time_now, u64 bucket)
void	transport_connection_tx_pacer_reset (transport_connection_t *tc, u64 rate_bytes_per_sec, u32 start_bucket, clib_us_time_t rtt)
void	transport_connection_tx_pacer_reset_bucket (transport_connection_t *tc, u32 bucket)
	Reset tx pacer bucket. More...
void	transport_connection_tx_pacer_init (transport_connection_t *tc, u64 rate_bytes_per_sec, u32 initial_bucket)
	Initialize tx pacer for connection. More...
void	transport_connection_tx_pacer_update (transport_connection_t *tc, u64 bytes_per_sec, clib_us_time_t rtt)
	Update tx pacer pacing rate. More...
u32	transport_connection_tx_pacer_burst (transport_connection_t *tc)
	Get tx pacer max burst. More...
u64	transport_connection_tx_pacer_rate (transport_connection_t *tc)
	Get tx pacer current rate. More...
void	transport_connection_update_tx_bytes (transport_connection_t *tc, u32 bytes)
	Update tx bytes for paced transport connection. More...
void	transport_connection_tx_pacer_update_bytes (transport_connection_t *tc, u32 bytes)
void	transport_update_time (clib_time_type_t time_now, u8 thread_index)
void	transport_enable_disable (vlib_main_t *vm, u8 is_en)
void	transport_init (void)

Variables
transport_proto_vft_t *	tp_vfts
	Per-type vector of transport protocol virtual function tables. More...
static u32	port_allocator_seed
static transport_endpoint_table_t	local_endpoints_table
static transport_endpoint_t *	local_endpoints
static clib_spinlock_t	local_endpoints_lock

Macro Definition Documentation

PORT_MASK

#define PORT_MASK   ((1 << 16)- 1)

Definition at line 376 of file transport.c.

Function Documentation

default_get_transport_endpoint()

static void default_get_transport_endpoint ( transport_connection_t *  tc, transport_endpoint_t *  tep, u8  is_lcl  )

inlinestatic

Definition at line 329 of file transport.c.

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format_clib_us_time()

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

Definition at line 583 of file transport.c.

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format_transport_connection()

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

Definition at line 84 of file transport.c.

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format_transport_half_open_connection()

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

Definition at line 125 of file transport.c.

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format_transport_listen_connection()

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

Definition at line 111 of file transport.c.

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format_transport_pacer()

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

Definition at line 594 of file transport.c.

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format_transport_proto()

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

Definition at line 46 of file transport.c.

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format_transport_proto_short()

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

Definition at line 65 of file transport.c.

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spacer_max_burst()

static u32 spacer_max_burst ( spacer_t *  pacer, clib_us_time_t  time_now  )

inlinestatic

Definition at line 609 of file transport.c.

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spacer_pace_rate()

static u64 spacer_pace_rate ( spacer_t *  pacer )

inlinestatic

Definition at line 649 of file transport.c.

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spacer_reset()

static void spacer_reset ( spacer_t *  pacer, clib_us_time_t  time_now, u64  bucket  )

inlinestatic

Definition at line 655 of file transport.c.

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spacer_set_pace_rate()

static void spacer_set_pace_rate ( spacer_t *  pacer, u64  rate_bytes_per_sec, clib_us_time_t  rtt  )

inlinestatic

Definition at line 638 of file transport.c.

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spacer_update_bucket()

static void spacer_update_bucket ( spacer_t *  pacer, u32  bytes  )

inlinestatic

Definition at line 631 of file transport.c.

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transport_alloc_local_endpoint()

int transport_alloc_local_endpoint	(	u8	proto,
		transport_endpoint_cfg_t *	rmt_cfg,
		ip46_address_t *	lcl_addr,
		u16 *	lcl_port
	)

Definition at line 526 of file transport.c.

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transport_alloc_local_port()

int transport_alloc_local_port	(	u8	proto,
		ip46_address_t *	ip
	)

Allocate local port and add if successful add entry to local endpoint table to mark the pair as used.

Definition at line 429 of file transport.c.

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transport_cleanup()

void transport_cleanup	(	transport_proto_t	tp,
		u32	conn_index,
		u8	thread_index
	)

Definition at line 283 of file transport.c.

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transport_close()

void transport_close	(	transport_proto_t	tp,
		u32	conn_index,
		u8	thread_index
	)

Definition at line 295 of file transport.c.

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transport_connect()

int transport_connect	(	transport_proto_t	tp,
		transport_endpoint_cfg_t *	tep
	)

Definition at line 289 of file transport.c.

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transport_connection_tx_pacer_burst()

u32 transport_connection_tx_pacer_burst

(

transport_connection_t *

tc

)

Get tx pacer max burst.

Parameters

tc	transport connection
time_now	current cpu time

Returns

max burst for connection

Definition at line 696 of file transport.c.

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transport_connection_tx_pacer_init()

void transport_connection_tx_pacer_init	(	transport_connection_t *	tc,
		u64	rate_bytes_per_sec,
		u32	initial_bucket
	)

Initialize tx pacer for connection.

Parameters

tc	transport connection
rate_bytes_per_second	initial byte rate
burst_bytes	initial burst size in bytes

Definition at line 679 of file transport.c.

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transport_connection_tx_pacer_rate()

u64 transport_connection_tx_pacer_rate

(

transport_connection_t *

tc

)

Get tx pacer current rate.

Parameters

tc	transport connection

Returns

rate for connection in bytes/s

Definition at line 703 of file transport.c.

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transport_connection_tx_pacer_reset()

void transport_connection_tx_pacer_reset	(	transport_connection_t *	tc,
		u64	rate_bytes_per_sec,
		u32	start_bucket,
		clib_us_time_t	rtt
	)

Definition at line 662 of file transport.c.

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transport_connection_tx_pacer_reset_bucket()

void transport_connection_tx_pacer_reset_bucket	(	transport_connection_t *	tc,
		u32	bucket
	)

Reset tx pacer bucket.

Parameters

tc	transport connection
bucket	value the bucket will be reset to

Definition at line 672 of file transport.c.

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transport_connection_tx_pacer_update()

void transport_connection_tx_pacer_update	(	transport_connection_t *	tc,
		u64	bytes_per_sec,
		clib_us_time_t	rtt
	)

Update tx pacer pacing rate.

Parameters

tc	transport connection
bytes_per_sec	new pacing rate
rtt	connection rtt that is used to compute inactivity time after which pacer bucket is reset to 1 mtu

Definition at line 689 of file transport.c.

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transport_connection_tx_pacer_update_bytes()

void transport_connection_tx_pacer_update_bytes	(	transport_connection_t *	tc,
		u32	bytes
	)

Definition at line 716 of file transport.c.

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transport_connection_update_tx_bytes()

void transport_connection_update_tx_bytes	(	transport_connection_t *	tc,
		u32	bytes
	)

Update tx bytes for paced transport connection.

If tx pacing is enabled, this update pacer bucket to account for the amount of bytes that have been sent.

Parameters

tc	transport connection
bytes	bytes recently sent

Definition at line 709 of file transport.c.

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transport_enable_disable()

void transport_enable_disable	(	vlib_main_t *	vm,
		u8	is_en
	)

Definition at line 734 of file transport.c.

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transport_endpoint_cleanup()

void transport_endpoint_cleanup	(	u8	proto,
		ip46_address_t *	lcl_ip,
		u16	port
	)

Definition at line 395 of file transport.c.

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transport_endpoint_del()

void transport_endpoint_del

(

u32

tepi

)

Definition at line 379 of file transport.c.

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transport_endpoint_lookup()

u32 transport_endpoint_lookup	(	transport_endpoint_table_t *	ht,
		u8	proto,
		ip46_address_t *	ip,
		u16	port
	)

Definition at line 185 of file transport.c.

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transport_endpoint_mark_used()

static void transport_endpoint_mark_used ( u8  proto, ip46_address_t *  ip, u16  port  )

static

Definition at line 412 of file transport.c.

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transport_endpoint_new()

static transport_endpoint_t* transport_endpoint_new ( void  )

inlinestatic

Definition at line 387 of file transport.c.

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transport_endpoint_table_add()

void transport_endpoint_table_add	(	transport_endpoint_table_t *	ht,
		u8	proto,
		transport_endpoint_t *	te,
		u32	value
	)

Definition at line 203 of file transport.c.

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transport_endpoint_table_del()

void transport_endpoint_table_del	(	transport_endpoint_table_t *	ht,
		u8	proto,
		transport_endpoint_t *	te
	)

Definition at line 217 of file transport.c.

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transport_find_local_ip_for_remote()

static clib_error_t* transport_find_local_ip_for_remote ( u32  sw_if_index, transport_endpoint_t *  rmt, ip46_address_t *  lcl_addr  )

static

Definition at line 492 of file transport.c.

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transport_get_endpoint()

void transport_get_endpoint	(	transport_proto_t	tp,
		u32	conn_index,
		u32	thread_index,
		transport_endpoint_t *	tep,
		u8	is_lcl
	)

Definition at line 347 of file transport.c.

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transport_get_interface_ip()

static clib_error_t* transport_get_interface_ip ( u32  sw_if_index, u8  is_ip4, ip46_address_t *  addr  )

static

Definition at line 466 of file transport.c.

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transport_get_listener_endpoint()

void transport_get_listener_endpoint	(	transport_proto_t	tp,
		u32	conn_index,
		transport_endpoint_t *	tep,
		u8	is_lcl
	)

Definition at line 363 of file transport.c.

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transport_half_open_has_fifos()

u8 transport_half_open_has_fifos

(

transport_proto_t

tp

)

Definition at line 265 of file transport.c.

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transport_init()

void transport_init

(

void

)

Definition at line 745 of file transport.c.

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transport_protocol_get_vft()

transport_proto_vft_t* transport_protocol_get_vft

(

transport_proto_t

transport_proto

)

Get transport virtual function table.

Parameters

type	- session type (not protocol type)

Definition at line 257 of file transport.c.

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transport_protocol_is_cl()

u8 transport_protocol_is_cl

(

transport_proto_t

tp

)

Definition at line 323 of file transport.c.

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transport_protocol_service_type()

transport_service_type_t transport_protocol_service_type

(

transport_proto_t

tp

)

Definition at line 271 of file transport.c.

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transport_protocol_tx_fn_type()

transport_tx_fn_type_t transport_protocol_tx_fn_type

(

transport_proto_t

tp

)

Definition at line 277 of file transport.c.

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transport_register_protocol()

void transport_register_protocol	(	transport_proto_t	transport_proto,
		const transport_proto_vft_t *	vft,
		fib_protocol_t	fib_proto,
		u32	output_node
	)

Register transport virtual function table.

Parameters

transport_proto	- transport protocol type (i.e., TCP, UDP ..)
vft	- virtual function table for transport proto
fib_proto	- network layer protocol
output_node	- output node index that session layer will hand off buffers to, for requested fib proto

Definition at line 239 of file transport.c.

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transport_reset()

void transport_reset	(	transport_proto_t	tp,
		u32	conn_index,
		u8	thread_index
	)

Definition at line 301 of file transport.c.

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transport_start_listen()

u32 transport_start_listen	(	transport_proto_t	tp,
		u32	session_index,
		transport_endpoint_t *	tep
	)

Definition at line 310 of file transport.c.

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transport_stop_listen()

u32 transport_stop_listen	(	transport_proto_t	tp,
		u32	conn_index
	)

Definition at line 317 of file transport.c.

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transport_update_time()

void transport_update_time	(	clib_time_type_t	time_now,
		u8	thread_index
	)

Definition at line 723 of file transport.c.

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unformat_transport_proto()

uword unformat_transport_proto	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 156 of file transport.c.

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unformat_transport_str_match()

static u8 unformat_transport_str_match ( unformat_input_t *  input, const char *  str  )

static

Definition at line 140 of file transport.c.

Variable Documentation

local_endpoints

transport_endpoint_t* local_endpoints

static

Definition at line 38 of file transport.c.

local_endpoints_lock

clib_spinlock_t local_endpoints_lock

static

Definition at line 43 of file transport.c.

local_endpoints_table

transport_endpoint_table_t local_endpoints_table

static

Definition at line 33 of file transport.c.

port_allocator_seed

u32 port_allocator_seed

static

Definition at line 28 of file transport.c.

tp_vfts

transport_proto_vft_t* tp_vfts

Per-type vector of transport protocol virtual function tables.

Definition at line 23 of file transport.c.