transport_interface.h File Reference

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Macros
#define	transport_proto_foreach(VAR, BODY)

Typedefs
typedef enum transport_dequeue_type_	transport_tx_fn_type_t
typedef enum transport_service_type_	transport_service_type_t
typedef struct _transport_proto_vft	transport_proto_vft_t

Enumerations
enum	transport_dequeue_type_ {   TRANSPORT_TX_PEEK, TRANSPORT_TX_DEQUEUE, TRANSPORT_TX_INTERNAL, TRANSPORT_TX_DGRAM,   TRANSPORT_TX_N_FNS }
enum	transport_service_type_ { TRANSPORT_SERVICE_VC, TRANSPORT_SERVICE_CL, TRANSPORT_SERVICE_APP, TRANSPORT_N_SERVICES }

Functions
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...
transport_service_type_t	transport_protocol_service_type (transport_proto_t)
transport_tx_fn_type_t	transport_protocol_tx_fn_type (transport_proto_t tp)
void	transport_update_time (f64 time_now, u8 thread_index)
void	transport_enable_disable (vlib_main_t *vm, u8 is_en)
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

#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 90 of file transport_interface.h.

Typedef Documentation

typedef struct _transport_proto_vft transport_proto_vft_t

typedef enum transport_service_type_ transport_service_type_t

typedef enum transport_dequeue_type_ transport_tx_fn_type_t

Enumeration Type Documentation

enum transport_dequeue_type_

Enumerator
TRANSPORT_TX_PEEK	reliable transport protos
TRANSPORT_TX_DEQUEUE	unreliable transport protos
TRANSPORT_TX_INTERNAL	apps acting as transports
TRANSPORT_TX_DGRAM	datagram mode
TRANSPORT_TX_N_FNS

Definition at line 22 of file transport_interface.h.

enum transport_service_type_

Enumerator
TRANSPORT_SERVICE_VC	virtual circuit service
TRANSPORT_SERVICE_CL	connectionless service
TRANSPORT_SERVICE_APP	app transport service
TRANSPORT_N_SERVICES

Definition at line 31 of file transport_interface.h.

Function Documentation

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

Definition at line 491 of file transport.c.

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static u8 transport_connection_is_tx_paced ( transport_connection_t *  tc )

inlinestatic

Check if transport connection is paced.

Definition at line 164 of file transport_interface.h.

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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 585 of file transport.c.

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u32 transport_connection_tx_pacer_burst	(	transport_connection_t *	tc,
		u64	time_now
	)

Definition at line 577 of file transport.c.

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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 555 of file transport.c.

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

Definition at line 538 of file transport.c.

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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 567 of file transport.c.

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void transport_connection_tx_pacer_update_bytes	(	transport_connection_t *	tc,
		u32	bytes
	)

Definition at line 611 of file transport.c.

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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 603 of file transport.c.

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static u32 transport_elog_track_index ( transport_connection_t *  tc )

inlinestatic

Definition at line 107 of file transport_interface.h.

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void transport_enable_disable	(	vlib_main_t *	vm,
		u8	is_en
	)

Definition at line 636 of file transport.c.

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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 618 of file transport.c.

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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 256 of file transport.c.

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transport_service_type_t transport_protocol_service_type

(

transport_proto_t

)

Definition at line 264 of file transport.c.

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transport_tx_fn_type_t transport_protocol_tx_fn_type

(

transport_proto_t

tp

)

Definition at line 270 of file transport.c.

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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 238 of file transport.c.

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void transport_update_time	(	f64	time_now,
		u8	thread_index
	)

Definition at line 625 of file transport.c.

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Variable Documentation

transport_proto_vft_t* tp_vfts

Per-type vector of transport protocol virtual function tables.

Generate typed init functions for multiple hash table styles...

Definition at line 23 of file transport.c.