tcp_ratelimit.h File Reference

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Data Structures
struct	tcp_hwrate_limit_table
struct	tcp_rate_set

Macros
#define	HDWRPACE_INITED   0x0001
#define	HDWRPACE_TAGPRESENT   0x0002
#define	HDWRPACE_IFPDEPARTED   0x0004
#define	RS_IS_DEFF   0x0001 /* Its a lagg, do a double lookup */
#define	RS_IS_INTF   0x0002 /* Its a plain interface */
#define	RS_NO_PRE   0x0004 /* The interfacd has set rates */
#define	RS_INT_TBL
#define	RS_IS_DEAD   0x0020 /* The RS is dead list */
#define	RS_FUNERAL_SCHD   0x0040 /* Is a epoch call scheduled to bury this guy?*/
#define	RS_INTF_NO_SUP   0x0100 /* The interface does not support the ratelimiting */
#define	RS_PACING_EXACT_MATCH   0x0001 /* Need an exact match for rate */
#define	RS_PACING_GT   0x0002 /* Greater than requested */
#define	RS_PACING_GEQ   0x0004 /* Greater than or equal too */
#define	RS_PACING_LT   0x0008 /* Less than requested rate */
#define	RS_PACING_SUB_OK
#define	ETHERNET_SEGMENT_SIZE   1514

Functions
	CK_LIST_HEAD (head_tcp_rate_set, tcp_rate_set)
static const struct tcp_hwrate_limit_table *	tcp_set_pacing_rate (struct tcpcb *tp, struct ifnet *ifp, uint64_t bytes_per_sec, int flags, int *error, uint64_t *lower_rate)
static const struct tcp_hwrate_limit_table *	tcp_chg_pacing_rate (const struct tcp_hwrate_limit_table *crte, struct tcpcb *tp, struct ifnet *ifp, uint64_t bytes_per_sec, int flags, int *error, uint64_t *lower_rate)
static void	tcp_rel_pacing_rate (const struct tcp_hwrate_limit_table *crte, struct tcpcb *tp)
static uint64_t	tcp_hw_highest_rate (const struct tcp_hwrate_limit_table *rle)
static uint64_t	tcp_hw_highest_rate_ifp (struct ifnet *ifp, struct inpcb *inp)
uint32_t	tcp_get_pacing_burst_size (struct tcpcb *tp, uint64_t bw, uint32_t segsiz, int can_use_1mss, const struct tcp_hwrate_limit_table *te, int *err)
void	tcp_rl_log_enobuf (const struct tcp_hwrate_limit_table *rte)

Macro Definition Documentation

ETHERNET_SEGMENT_SIZE

#define ETHERNET_SEGMENT_SIZE   1514

Definition at line 89 of file tcp_ratelimit.h.

HDWRPACE_IFPDEPARTED

#define HDWRPACE_IFPDEPARTED   0x0004

Definition at line 42 of file tcp_ratelimit.h.

HDWRPACE_INITED

#define HDWRPACE_INITED   0x0001

Definition at line 40 of file tcp_ratelimit.h.

HDWRPACE_TAGPRESENT

#define HDWRPACE_TAGPRESENT   0x0002

Definition at line 41 of file tcp_ratelimit.h.

RS_FUNERAL_SCHD

#define RS_FUNERAL_SCHD   0x0040 /* Is a epoch call scheduled to bury this guy?*/

Definition at line 59 of file tcp_ratelimit.h.

RS_INT_TBL

#define RS_INT_TBL

Value:

                                 0x0010 /*
                                 * The table is the internal version
                                 * which has special setup requirements.
                                 */

Definition at line 57 of file tcp_ratelimit.h.

RS_INTF_NO_SUP

#define RS_INTF_NO_SUP   0x0100 /* The interface does not support the ratelimiting */

Definition at line 60 of file tcp_ratelimit.h.

RS_IS_DEAD

#define RS_IS_DEAD   0x0020 /* The RS is dead list */

Definition at line 58 of file tcp_ratelimit.h.

RS_IS_DEFF

#define RS_IS_DEFF   0x0001 /* Its a lagg, do a double lookup */

Definition at line 54 of file tcp_ratelimit.h.

RS_IS_INTF

#define RS_IS_INTF   0x0002 /* Its a plain interface */

Definition at line 55 of file tcp_ratelimit.h.

RS_NO_PRE

#define RS_NO_PRE   0x0004 /* The interfacd has set rates */

Definition at line 56 of file tcp_ratelimit.h.

RS_PACING_EXACT_MATCH

#define RS_PACING_EXACT_MATCH   0x0001 /* Need an exact match for rate */

Definition at line 82 of file tcp_ratelimit.h.

RS_PACING_GEQ

#define RS_PACING_GEQ   0x0004 /* Greater than or equal too */

Definition at line 84 of file tcp_ratelimit.h.

RS_PACING_GT

#define RS_PACING_GT   0x0002 /* Greater than requested */

Definition at line 83 of file tcp_ratelimit.h.

RS_PACING_LT

#define RS_PACING_LT   0x0008 /* Less than requested rate */

Definition at line 85 of file tcp_ratelimit.h.

RS_PACING_SUB_OK

#define RS_PACING_SUB_OK

Value:

                                         0x0010 /* If a rate can't be found get the
                                         * next best rate (highest or lowest). */

Definition at line 86 of file tcp_ratelimit.h.

Function Documentation

CK_LIST_HEAD()

CK_LIST_HEAD	(	head_tcp_rate_set	,
		tcp_rate_set
	)

tcp_chg_pacing_rate()

static const struct tcp_hwrate_limit_table * tcp_chg_pacing_rate ( const struct tcp_hwrate_limit_table *  crte, struct tcpcb *  tp, struct ifnet *  ifp, uint64_t  bytes_per_sec, int  flags, int *  error, uint64_t *  lower_rate  )

inlinestatic

Definition at line 131 of file tcp_ratelimit.h.

Referenced by bbr_update_hardware_pacing_rate(), and rack_get_pacing_delay().

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tcp_get_pacing_burst_size()

uint32_t tcp_get_pacing_burst_size	(	struct tcpcb *	tp,
		uint64_t	bw,
		uint32_t	segsiz,
		int	can_use_1mss,
		const struct tcp_hwrate_limit_table *	te,
		int *	err
	)

Referenced by rack_get_pacing_delay(), rack_get_pacing_len(), and rack_set_pace_segments().

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tcp_hw_highest_rate()

static uint64_t tcp_hw_highest_rate ( const struct tcp_hwrate_limit_table *  rle )

inlinestatic

Definition at line 148 of file tcp_ratelimit.h.

Referenced by pace_to_fill_cwnd(), and rack_get_output_bw().

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tcp_hw_highest_rate_ifp()

static uint64_t tcp_hw_highest_rate_ifp ( struct ifnet *  ifp, struct inpcb *  inp  )

inlinestatic

Definition at line 154 of file tcp_ratelimit.h.

Referenced by pace_to_fill_cwnd(), and rack_get_output_bw().

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tcp_rel_pacing_rate()

static void tcp_rel_pacing_rate ( const struct tcp_hwrate_limit_table *  crte, struct tcpcb *  tp  )

inlinestatic

Definition at line 141 of file tcp_ratelimit.h.

Referenced by bbr_fini(), bbr_output_wtime(), bbr_set_sockopt(), rack_fini(), rack_get_pacing_delay(), and rack_process_option().

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tcp_rl_log_enobuf()

void tcp_rl_log_enobuf

(

const struct tcp_hwrate_limit_table *

rte

)

Referenced by rack_output().

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tcp_set_pacing_rate()

static const struct tcp_hwrate_limit_table * tcp_set_pacing_rate ( struct tcpcb *  tp, struct ifnet *  ifp, uint64_t  bytes_per_sec, int  flags, int *  error, uint64_t *  lower_rate  )

inlinestatic

Definition at line 122 of file tcp_ratelimit.h.

Referenced by bbr_output_wtime(), and rack_get_pacing_delay().

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