transport.h File Reference

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Macros
#define	transport_proto_foreach(VAR, BODY)

Typedefs
typedef struct _transport_proto_vft	transport_proto_vft_t

Functions
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)
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)
void	transport_cleanup (transport_proto_t tp, u32 conn_index, u8 thread_index)
static transport_connection_t *	transport_get_connection (transport_proto_t tp, u32 conn_index, u8 thread_index)
static transport_connection_t *	transport_get_listener (transport_proto_t tp, u32 conn_index)
static transport_connection_t *	transport_get_half_open (transport_proto_t tp, u32 conn_index)
static int	transport_custom_tx (transport_proto_t tp, void *s)
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 tp)
	Get transport virtual function table. More...
void	transport_update_time (f64 time_now, u8 thread_index)
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...
int	transport_alloc_local_endpoint (u8 proto, transport_endpoint_cfg_t *rmt, ip46_address_t *lcl_addr, u16 *lcl_port)
void	transport_endpoint_cleanup (u8 proto, ip46_address_t *lcl_ip, u16 port)
void	transport_enable_disable (vlib_main_t *vm, u8 is_en)
void	transport_init (void)
static u32	transport_elog_track_index (transport_connection_t *tc)
void	transport_connection_tx_pacer_reset (transport_connection_t *tc, u32 rate_bytes_per_sec, u32 initial_bucket, u64 time_now)
void	transport_connection_tx_pacer_init (transport_connection_t *tc, u32 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)
	Update tx pacer pacing rate. More...
u32	transport_connection_snd_space (transport_connection_t *tc, u64 time_now, u16 mss)
	Get maximum tx burst allowed for transport connection. More...
u32	transport_connection_tx_pacer_burst (transport_connection_t *tc, u64 time_now)
void	transport_init_tx_pacers_period (void)
	Initialize period for tx pacers. More...
static u8	transport_connection_is_tx_paced (transport_connection_t *tc)
	Check if transport connection is paced. More...
u8 *	format_transport_pacer (u8 *s, va_list *args)
void	transport_connection_update_tx_stats (transport_connection_t *tc, u32 bytes)
	Update tx byte stats for transport connection. More...
void	transport_connection_tx_pacer_update_bytes (transport_connection_t *tc, u32 bytes)

Variables
transport_proto_vft_t *	tp_vfts
	Per-type vector of transport protocol virtual function tables. More...

Macro Definition Documentation

transport_proto_foreach

#define transport_proto_foreach	(		VAR,
			BODY
	)

Value:

do {                                                            \
    for (VAR = 0; VAR < vec_len (tp_vfts); VAR++)               \
      if (tp_vfts[VAR].push_header != 0)                        \
        do { BODY; } while (0);                                 \
} while (0)

Definition at line 74 of file transport.h.

Typedef Documentation

transport_proto_vft_t

typedef struct _transport_proto_vft transport_proto_vft_t

Function Documentation

format_transport_pacer()

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

Definition at line 532 of file transport.c.

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transport_alloc_local_endpoint()

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

Definition at line 472 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 375 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 286 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 298 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 292 of file transport.c.

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transport_connection_is_tx_paced()

static u8 transport_connection_is_tx_paced ( transport_connection_t *  tc )

inlinestatic

Check if transport connection is paced.

Definition at line 186 of file transport.h.

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transport_connection_snd_space()

u32 transport_connection_snd_space	(	transport_connection_t *	tc,
		u64	time_now,
		u16	mss
	)

Get maximum tx burst allowed for transport connection.

Parameters

tc	transport connection
time_now	current cpu time as returned by clib_cpu_time_now
mss	transport's mss

Definition at line 610 of file transport.c.

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transport_connection_tx_pacer_burst()

u32 transport_connection_tx_pacer_burst	(	transport_connection_t *	tc,
		u64	time_now
	)

Definition at line 602 of file transport.c.

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transport_connection_tx_pacer_init()

void transport_connection_tx_pacer_init	(	transport_connection_t *	tc,
		u32	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 583 of file transport.c.

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transport_connection_tx_pacer_reset()

void transport_connection_tx_pacer_reset	(	transport_connection_t *	tc,
		u32	rate_bytes_per_sec,
		u32	initial_bucket,
		u64	time_now
	)

Definition at line 572 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
	)

Update tx pacer pacing rate.

Parameters

tc	transport connection
bytes_per_sec	new pacing rate

Definition at line 595 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 636 of file transport.c.

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transport_connection_update_tx_stats()

void transport_connection_update_tx_stats	(	transport_connection_t *	tc,
		u32	bytes
	)

Update tx byte stats for transport connection.

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

Parameters

tc	transport connection
pkts	packets recently sent
bytes	bytes recently sent

Definition at line 628 of file transport.c.

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transport_custom_tx()

static int transport_custom_tx ( transport_proto_t  tp, void *  s  )

inlinestatic

Definition at line 109 of file transport.h.

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transport_elog_track_index()

static u32 transport_elog_track_index ( transport_connection_t *  tc )

inlinestatic

Definition at line 129 of file transport.h.

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transport_enable_disable()

void transport_enable_disable	(	vlib_main_t *	vm,
		u8	is_en
	)

Definition at line 661 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 341 of file transport.c.

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transport_get_connection()

static transport_connection_t* transport_get_connection ( transport_proto_t  tp, u32  conn_index, u8  thread_index  )

inlinestatic

Definition at line 90 of file transport.h.

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transport_get_half_open()

static transport_connection_t* transport_get_half_open ( transport_proto_t  tp, u32  conn_index  )

inlinestatic

Definition at line 103 of file transport.h.

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transport_get_listener()

static transport_connection_t* transport_get_listener ( transport_proto_t  tp, u32  conn_index  )

inlinestatic

Definition at line 97 of file transport.h.

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transport_init()

void transport_init

(

void

)

Definition at line 672 of file transport.c.

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transport_init_tx_pacers_period()

void transport_init_tx_pacers_period

(

void

)

Initialize period for tx pacers.

Defines a unit of time with respect to number of cpu cycles that is to be used by all tx pacers.

Definition at line 643 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 266 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 248 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 304 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 311 of file transport.c.

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transport_update_time()

void transport_update_time	(	f64	time_now,
		u8	thread_index
	)

Definition at line 650 of file transport.c.

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Variable Documentation

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.