rack_bbr_common.h File Reference

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Macros
#define	TCP_MSS_ACCT_JUSTRET   0
#define	TCP_MSS_ACCT_SNDACK   1
#define	TCP_MSS_ACCT_PERSIST   2
#define	TCP_MSS_ACCT_ATIMER   60
#define	TCP_MSS_ACCT_INPACE   61
#define	TCP_MSS_ACCT_LATE   62
#define	TCP_MSS_SMALL_SIZE_OFF   63 /* Point where small sizes enter */
#define	TCP_MSS_ACCT_SIZE   70
#define	TCP_MSS_SMALL_MAX_SIZE_DIV   (TCP_MSS_ACCT_SIZE - TCP_MSS_SMALL_SIZE_OFF)
#define	DUP_ACK_THRESHOLD   3
#define	PROGRESS_DROP   1
#define	PROGRESS_UPDATE   2
#define	PROGRESS_CLEAR   3
#define	PROGRESS_START   4
#define	CTF_JR_SENT_DATA   0
#define	CTF_JR_CWND_LIMITED   1
#define	CTF_JR_RWND_LIMITED   2
#define	CTF_JR_APP_LIMITED   3
#define	CTF_JR_ASSESSING   4
#define	CTF_JR_PERSISTS   5
#define	CTF_JR_PRR   6
#define	BBR_JR_SENT_DATA   CTF_JR_SENT_DATA
#define	BBR_JR_CWND_LIMITED   CTF_JR_CWND_LIMITED
#define	BBR_JR_RWND_LIMITED   CTF_JR_RWND_LIMITED
#define	BBR_JR_APP_LIMITED   CTF_JR_APP_LIMITED
#define	BBR_JR_ASSESSING   CTF_JR_ASSESSING
#define	BBR_JR_PERSISTS   CTF_JR_PERSISTS
#define	BBR_JR_PRR   CTF_JR_PRR
#define	USE_RTT_HIGH   0
#define	USE_RTT_LOW   1
#define	USE_RTT_AVG   2
#define	PACE_MAX_IP_BYTES   65536
#define	USECS_IN_SECOND   1000000
#define	MSEC_IN_SECOND   1000
#define	MS_IN_USEC   1000
#define	USEC_TO_MSEC(x)   (x / MS_IN_USEC)
#define	TCP_TS_OVERHEAD   12 /* Overhead of having Timestamps on */
#define	FORTY_EIGHT_MBPS   6000000 /* 48 megabits in bytes */
#define	THIRTY_MBPS   3750000 /* 30 megabits in bytes */
#define	TWENTY_THREE_MBPS   2896000 /* 23 megabits in bytes */
#define	FIVETWELVE_MBPS   64000000 /* 512 megabits in bytes */
#define	ONE_POINT_TWO_MEG   150000 /* 1.2 megabits in bytes */
#define	ctf_drop_checks(a, b, c, d, e, f, g, h)   _ctf_drop_checks(a, b, c, d, e, f, g, h, NULL, NULL)
#define	ctf_do_dropafterack(a, b, c, d, e, f)   __ctf_do_dropafterack(a, b, c, d, e, f, NULL, NULL)
#define	ctf_process_rst(m, t, s, p)   __ctf_process_rst(m, t, s, p, NULL, NULL)

Functions
	CTASSERT ((PACE_TMR_MASK &0x80)==0)
int	ctf_process_inbound_raw (struct tcpcb *tp, struct socket *so, struct mbuf *m, int has_pkt)
int	ctf_do_queued_segments (struct socket *so, struct tcpcb *tp, int have_pkt)
uint32_t	ctf_outstanding (struct tcpcb *tp)
uint32_t	ctf_flight_size (struct tcpcb *tp, uint32_t rc_sacked)
int	_ctf_drop_checks (struct tcpopt *to, struct mbuf *m, struct tcphdr *th, struct tcpcb *tp, int32_t *tlenp, int32_t *thf, int32_t *drop_hdrlen, int32_t *ret_val, uint32_t *ts, uint32_t *cnt)
void	ctf_ack_war_checks (struct tcpcb *tp, uint32_t *ts, uint32_t *cnt)
void	__ctf_do_dropafterack (struct mbuf *m, struct tcpcb *tp, struct tcphdr *th, int32_t thflags, int32_t tlen, int32_t *ret_val, uint32_t *ts, uint32_t *cnt)
void	ctf_do_dropwithreset (struct mbuf *m, struct tcpcb *tp, struct tcphdr *th, int32_t rstreason, int32_t tlen)
void	ctf_do_drop (struct mbuf *m, struct tcpcb *tp)
int	__ctf_process_rst (struct mbuf *m, struct tcphdr *th, struct socket *so, struct tcpcb *tp, uint32_t *ts, uint32_t *cnt)
void	ctf_challenge_ack (struct mbuf *m, struct tcphdr *th, struct tcpcb *tp, int32_t *ret_val)
int	ctf_ts_check (struct mbuf *m, struct tcphdr *th, struct tcpcb *tp, int32_t tlen, int32_t thflags, int32_t *ret_val)
int	ctf_ts_check_ac (struct tcpcb *tp, int32_t thflags)
void	ctf_calc_rwin (struct socket *so, struct tcpcb *tp)
void	ctf_do_dropwithreset_conn (struct mbuf *m, struct tcpcb *tp, struct tcphdr *th, int32_t rstreason, int32_t tlen)
uint32_t	ctf_fixed_maxseg (struct tcpcb *tp)
void	ctf_log_sack_filter (struct tcpcb *tp, int num_sack_blks, struct sackblk *sack_blocks)
uint32_t	ctf_decay_count (uint32_t count, uint32_t decay_percentage)
int32_t	ctf_progress_timeout_check (struct tcpcb *tp, bool log)

Macro Definition Documentation

BBR_JR_APP_LIMITED

#define BBR_JR_APP_LIMITED   CTF_JR_APP_LIMITED

Definition at line 63 of file rack_bbr_common.h.

BBR_JR_ASSESSING

#define BBR_JR_ASSESSING   CTF_JR_ASSESSING

Definition at line 64 of file rack_bbr_common.h.

BBR_JR_CWND_LIMITED

#define BBR_JR_CWND_LIMITED   CTF_JR_CWND_LIMITED

Definition at line 61 of file rack_bbr_common.h.

BBR_JR_PERSISTS

#define BBR_JR_PERSISTS   CTF_JR_PERSISTS

Definition at line 65 of file rack_bbr_common.h.

BBR_JR_PRR

#define BBR_JR_PRR   CTF_JR_PRR

Definition at line 66 of file rack_bbr_common.h.

BBR_JR_RWND_LIMITED

#define BBR_JR_RWND_LIMITED   CTF_JR_RWND_LIMITED

Definition at line 62 of file rack_bbr_common.h.

BBR_JR_SENT_DATA

#define BBR_JR_SENT_DATA   CTF_JR_SENT_DATA

Definition at line 60 of file rack_bbr_common.h.

ctf_do_dropafterack

#define ctf_do_dropafterack	(		a,
			b,
			c,
			d,
			e,
			f
	)		__ctf_do_dropafterack(a, b, c, d, e, f, NULL, NULL)

Definition at line 113 of file rack_bbr_common.h.

ctf_drop_checks

#define ctf_drop_checks	(		a,
			b,
			c,
			d,
			e,
			f,
			g,
			h
	)		_ctf_drop_checks(a, b, c, d, e, f, g, h, NULL, NULL)

Definition at line 106 of file rack_bbr_common.h.

CTF_JR_APP_LIMITED

#define CTF_JR_APP_LIMITED   3

Definition at line 54 of file rack_bbr_common.h.

CTF_JR_ASSESSING

#define CTF_JR_ASSESSING   4

Definition at line 55 of file rack_bbr_common.h.

CTF_JR_CWND_LIMITED

#define CTF_JR_CWND_LIMITED   1

Definition at line 52 of file rack_bbr_common.h.

CTF_JR_PERSISTS

#define CTF_JR_PERSISTS   5

Definition at line 56 of file rack_bbr_common.h.

CTF_JR_PRR

#define CTF_JR_PRR   6

Definition at line 57 of file rack_bbr_common.h.

CTF_JR_RWND_LIMITED

#define CTF_JR_RWND_LIMITED   2

Definition at line 53 of file rack_bbr_common.h.

CTF_JR_SENT_DATA

#define CTF_JR_SENT_DATA   0

Definition at line 51 of file rack_bbr_common.h.

ctf_process_rst

#define ctf_process_rst	(		m,
			t,
			s,
			p
	)		__ctf_process_rst(m, t, s, p, NULL, NULL)

Definition at line 124 of file rack_bbr_common.h.

DUP_ACK_THRESHOLD

#define DUP_ACK_THRESHOLD   3

Definition at line 42 of file rack_bbr_common.h.

FIVETWELVE_MBPS

#define FIVETWELVE_MBPS   64000000 /* 512 megabits in bytes */

Definition at line 84 of file rack_bbr_common.h.

FORTY_EIGHT_MBPS

#define FORTY_EIGHT_MBPS   6000000 /* 48 megabits in bytes */

Definition at line 81 of file rack_bbr_common.h.

MS_IN_USEC

#define MS_IN_USEC   1000

Definition at line 76 of file rack_bbr_common.h.

MSEC_IN_SECOND

#define MSEC_IN_SECOND   1000

Definition at line 75 of file rack_bbr_common.h.

ONE_POINT_TWO_MEG

#define ONE_POINT_TWO_MEG   150000 /* 1.2 megabits in bytes */

Definition at line 85 of file rack_bbr_common.h.

PACE_MAX_IP_BYTES

#define PACE_MAX_IP_BYTES   65536

Definition at line 73 of file rack_bbr_common.h.

PROGRESS_CLEAR

#define PROGRESS_CLEAR   3

Definition at line 47 of file rack_bbr_common.h.

PROGRESS_DROP

#define PROGRESS_DROP   1

Definition at line 45 of file rack_bbr_common.h.

PROGRESS_START

#define PROGRESS_START   4

Definition at line 48 of file rack_bbr_common.h.

PROGRESS_UPDATE

#define PROGRESS_UPDATE   2

Definition at line 46 of file rack_bbr_common.h.

TCP_MSS_ACCT_ATIMER

#define TCP_MSS_ACCT_ATIMER   60

Definition at line 35 of file rack_bbr_common.h.

TCP_MSS_ACCT_INPACE

#define TCP_MSS_ACCT_INPACE   61

Definition at line 36 of file rack_bbr_common.h.

TCP_MSS_ACCT_JUSTRET

#define TCP_MSS_ACCT_JUSTRET   0

Definition at line 32 of file rack_bbr_common.h.

TCP_MSS_ACCT_LATE

#define TCP_MSS_ACCT_LATE   62

Definition at line 37 of file rack_bbr_common.h.

TCP_MSS_ACCT_PERSIST

#define TCP_MSS_ACCT_PERSIST   2

Definition at line 34 of file rack_bbr_common.h.

TCP_MSS_ACCT_SIZE

#define TCP_MSS_ACCT_SIZE   70

Definition at line 39 of file rack_bbr_common.h.

TCP_MSS_ACCT_SNDACK

#define TCP_MSS_ACCT_SNDACK   1

Definition at line 33 of file rack_bbr_common.h.

TCP_MSS_SMALL_MAX_SIZE_DIV

#define TCP_MSS_SMALL_MAX_SIZE_DIV   (TCP_MSS_ACCT_SIZE - TCP_MSS_SMALL_SIZE_OFF)

Definition at line 40 of file rack_bbr_common.h.

TCP_MSS_SMALL_SIZE_OFF

#define TCP_MSS_SMALL_SIZE_OFF   63 /* Point where small sizes enter */

Definition at line 38 of file rack_bbr_common.h.

TCP_TS_OVERHEAD

#define TCP_TS_OVERHEAD   12 /* Overhead of having Timestamps on */

Definition at line 78 of file rack_bbr_common.h.

THIRTY_MBPS

#define THIRTY_MBPS   3750000 /* 30 megabits in bytes */

Definition at line 82 of file rack_bbr_common.h.

TWENTY_THREE_MBPS

#define TWENTY_THREE_MBPS   2896000 /* 23 megabits in bytes */

Definition at line 83 of file rack_bbr_common.h.

USE_RTT_AVG

#define USE_RTT_AVG   2

Definition at line 71 of file rack_bbr_common.h.

USE_RTT_HIGH

#define USE_RTT_HIGH   0

Definition at line 69 of file rack_bbr_common.h.

USE_RTT_LOW

#define USE_RTT_LOW   1

Definition at line 70 of file rack_bbr_common.h.

USEC_TO_MSEC

#define USEC_TO_MSEC

(

x

)

(x / MS_IN_USEC)

Definition at line 77 of file rack_bbr_common.h.

USECS_IN_SECOND

#define USECS_IN_SECOND   1000000

Definition at line 74 of file rack_bbr_common.h.

Function Documentation

__ctf_do_dropafterack()

void __ctf_do_dropafterack	(	struct mbuf *	m,
		struct tcpcb *	tp,
		struct tcphdr *	th,
		int32_t	thflags,
		int32_t	tlen,
		int32_t *	ret_val,
		uint32_t *	ts,
		uint32_t *	cnt
	)

Definition at line 724 of file rack_bbr_common.c.

References BANDLIM_RST_OPENPORT, ctf_ack_war_checks(), ctf_do_dropwithreset(), SEQ_GT, tcpcb::snd_max, tcpcb::snd_una, tcpcb::t_state, and TCPS_SYN_RECEIVED.

Referenced by _ctf_drop_checks(), and rack_process_ack().

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__ctf_process_rst()

int __ctf_process_rst	(	struct mbuf *	m,
		struct tcphdr *	th,
		struct socket *	so,
		struct tcpcb *	tp,
		uint32_t *	ts,
		uint32_t *	cnt
	)

Definition at line 767 of file rack_bbr_common.c.

References ctf_do_drop(), KMOD_TCPSTAT_INC, tcpcb::last_ack_sent, tcpcb::rcv_nxt, tcpcb::rcv_wnd, SEQ_GEQ, SEQ_LT, tcpcb::snd_nxt, tcpcb::t_state, tcp_ack_war_cnt, tcp_ack_war_time_window, tcp_close(), TCP_EI_STATUS_CLIENT_RST, tcp_log_end_status(), tcp_respond(), tcp_state_change(), tcp_ts_getticks(), TCPS_CLOSE_WAIT, TCPS_CLOSED, TCPS_CLOSING, TCPS_ESTABLISHED, TCPS_FIN_WAIT_1, TCPS_FIN_WAIT_2, TCPS_LAST_ACK, TCPS_SYN_RECEIVED, TCPS_SYN_SENT, TSTMP_LT, and V_tcp_insecure_rst.

Referenced by rack_do_close_wait(), rack_do_closing(), rack_do_established(), rack_do_fin_wait_1(), rack_do_fin_wait_2(), rack_do_lastack(), and rack_do_syn_recv().

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_ctf_drop_checks()

int _ctf_drop_checks	(	struct tcpopt *	to,
		struct mbuf *	m,
		struct tcphdr *	th,
		struct tcpcb *	tp,
		int32_t *	tlenp,
		int32_t *	thf,
		int32_t *	drop_hdrlen,
		int32_t *	ret_val,
		uint32_t *	ts,
		uint32_t *	cnt
	)

Definition at line 615 of file rack_bbr_common.c.

References __ctf_do_dropafterack(), ctf_ack_war_checks(), KMOD_TCPSTAT_ADD, KMOD_TCPSTAT_INC, tcpcb::rcv_nxt, tcpcb::rcv_wnd, tcpcb::t_flags, tcp_update_sack_list(), TF_ACKNOW, and TF_SACK_PERMIT.

Referenced by rack_do_close_wait(), rack_do_closing(), rack_do_established(), rack_do_fin_wait_1(), rack_do_fin_wait_2(), rack_do_lastack(), and rack_do_syn_recv().

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CTASSERT()

CTASSERT

(

(PACE_TMR_MASK &0x80)

= =0

)

ctf_ack_war_checks()

void ctf_ack_war_checks	(	struct tcpcb *	tp,
		uint32_t *	ts,
		uint32_t *	cnt
	)

Definition at line 579 of file rack_bbr_common.c.

References tcpcb::t_flags, tcp_ack_war_cnt, tcp_ack_war_time_window, tcp_ts_getticks(), TF_ACKNOW, and TSTMP_LT.

Referenced by __ctf_do_dropafterack(), _ctf_drop_checks(), and rack_do_compressed_ack_processing().

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ctf_calc_rwin()

void ctf_calc_rwin	(	struct socket *	so,
		struct tcpcb *	tp
	)

Definition at line 952 of file rack_bbr_common.c.

References tcpcb::rcv_adv, tcpcb::rcv_nxt, and tcpcb::rcv_wnd.

Referenced by bbr_do_close_wait(), bbr_do_closing(), bbr_do_established(), bbr_do_fastnewdata(), bbr_do_fin_wait_1(), bbr_do_fin_wait_2(), bbr_do_lastack(), bbr_do_syn_recv(), bbr_do_syn_sent(), rack_do_close_wait(), rack_do_closing(), rack_do_compressed_ack_processing(), rack_do_established(), rack_do_fastnewdata(), rack_do_fin_wait_1(), rack_do_fin_wait_2(), rack_do_lastack(), rack_do_syn_recv(), and rack_do_syn_sent().

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ctf_challenge_ack()

void ctf_challenge_ack	(	struct mbuf *	m,
		struct tcphdr *	th,
		struct tcpcb *	tp,
		int32_t *	ret_val
	)

Definition at line 863 of file rack_bbr_common.c.

References ctf_do_drop(), KMOD_TCPSTAT_INC, tcpcb::last_ack_sent, tcpcb::rcv_nxt, tcpcb::rcv_wnd, SEQ_GEQ, SEQ_LT, tcpcb::snd_nxt, tcp_drop(), tcp_respond(), and V_tcp_insecure_syn.

Referenced by bbr_do_close_wait(), bbr_do_closing(), bbr_do_established(), bbr_do_fin_wait_1(), bbr_do_fin_wait_2(), bbr_do_lastack(), rack_do_close_wait(), rack_do_closing(), rack_do_established(), rack_do_fin_wait_1(), rack_do_fin_wait_2(), and rack_do_lastack().

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ctf_decay_count()

uint32_t ctf_decay_count	(	uint32_t	count,
		uint32_t	decay_percentage
	)

Definition at line 1019 of file rack_bbr_common.c.

References count.

Referenced by rack_do_decay().

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ctf_do_drop()

void ctf_do_drop	(	struct mbuf *	m,
		struct tcpcb *	tp
	)

Definition at line 754 of file rack_bbr_common.c.

References INP_WUNLOCK, and tcpcb::t_inpcb.

Referenced by __ctf_process_rst(), bbr_do_close_wait(), bbr_do_closing(), bbr_do_established(), bbr_do_fin_wait_1(), bbr_do_fin_wait_2(), bbr_do_lastack(), bbr_do_syn_recv(), bbr_do_syn_sent(), ctf_challenge_ack(), ctf_ts_check(), rack_do_close_wait(), rack_do_closing(), rack_do_compressed_ack_processing(), rack_do_established(), rack_do_fin_wait_1(), rack_do_fin_wait_2(), rack_do_lastack(), rack_do_syn_recv(), and rack_do_syn_sent().

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ctf_do_dropwithreset()

void ctf_do_dropwithreset	(	struct mbuf *	m,
		struct tcpcb *	tp,
		struct tcphdr *	th,
		int32_t	rstreason,
		int32_t	tlen
	)

Definition at line 568 of file rack_bbr_common.c.

References INP_WUNLOCK, tcpcb::t_inpcb, and tcp_dropwithreset().

Referenced by __ctf_do_dropafterack(), bbr_check_data_after_close(), bbr_do_syn_recv(), bbr_do_syn_sent(), bbr_process_ack(), rack_check_data_after_close(), rack_do_segment_nounlock(), rack_do_syn_recv(), rack_do_syn_sent(), and rack_process_ack().

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ctf_do_dropwithreset_conn()

void ctf_do_dropwithreset_conn	(	struct mbuf *	m,
		struct tcpcb *	tp,
		struct tcphdr *	th,
		int32_t	rstreason,
		int32_t	tlen
	)

Definition at line 968 of file rack_bbr_common.c.

References INP_WUNLOCK, tcpcb::t_inpcb, tcp_drop(), and tcp_dropwithreset().

Referenced by bbr_do_close_wait(), bbr_do_closing(), bbr_do_established(), bbr_do_fin_wait_1(), bbr_do_fin_wait_2(), bbr_do_lastack(), bbr_do_segment_nounlock(), rack_do_close_wait(), rack_do_closing(), rack_do_established(), rack_do_fin_wait_1(), rack_do_fin_wait_2(), and rack_do_lastack().

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ctf_do_queued_segments()

int ctf_do_queued_segments	(	struct socket *	so,
		struct tcpcb *	tp,
		int	have_pkt
	)

Definition at line 527 of file rack_bbr_common.c.

References ctf_process_inbound_raw(), tcpcb::t_in_pkt, and tcpcb::t_tail_pkt.

Referenced by bbr_do_segment(), and rack_do_segment().

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ctf_fixed_maxseg()

uint32_t ctf_fixed_maxseg

(

struct tcpcb *

tp

)

Definition at line 979 of file rack_bbr_common.c.

References tcp_fixed_maxseg().

Referenced by rack_ack_received(), rack_calc_thresh_tlp(), rack_check_bottom_drag(), rack_cong_signal(), rack_do_compressed_ack_processing(), rack_do_goodput_measurement(), rack_do_segment_nounlock(), rack_enough_for_measurement(), rack_enter_probertt(), rack_exit_probertt(), rack_fast_output(), rack_fast_rsm_output(), rack_get_measure_window(), rack_get_pacing_delay(), rack_log_ack(), rack_log_output(), rack_mtu_change(), rack_need_set_test(), rack_output(), rack_post_recovery(), rack_process_ack(), rack_set_pace_segments(), rack_start_gp_measurement(), rack_timeout_tlp(), rack_timer_start(), rack_update_rtt(), rack_validate_fo_sendwin_up(), rc_init_window(), and tcp_rack_xmit_timer().

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ctf_flight_size()

uint32_t ctf_flight_size	(	struct tcpcb *	tp,
		uint32_t	rc_sacked
	)

Definition at line 558 of file rack_bbr_common.c.

References ctf_outstanding().

Referenced by bbr_ack_received(), bbr_cong_signal(), bbr_do_segment_nounlock(), bbr_enter_probe_rtt(), bbr_exit_probe_rtt(), bbr_fill_in_logging_data(), bbr_log_output(), bbr_output_wtime(), bbr_post_recovery(), bbr_set_probebw_gains(), bbr_state_change(), bbr_state_startup(), bbr_substate_change(), bbr_update_rsm(), bbr_what_can_we_send(), pace_to_fill_cwnd(), rack_check_bottom_drag(), rack_check_probe_rtt(), rack_do_segment_nounlock(), rack_fast_output(), rack_fast_rsm_output(), rack_log_doseg_done(), rack_log_fsb(), rack_log_input_packet(), rack_log_map_chg(), rack_log_output(), rack_log_pacing_delay_calc(), rack_log_progress_event(), rack_log_retran_reason(), rack_log_rtt_sample(), rack_log_rtt_shrinks(), rack_log_rtt_upd(), rack_log_timely(), rack_log_to_cancel(), rack_log_to_event(), rack_log_to_processing(), rack_log_to_prr(), rack_log_to_start(), rack_log_type_bbrsnd(), rack_log_type_just_return(), rack_log_type_pacing_sizes(), rack_mtu_change(), rack_output(), rack_remxt_tmr(), rack_update_rsm(), rack_what_can_we_send(), and tcp_bbr_partialack().

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ctf_log_sack_filter()

void ctf_log_sack_filter	(	struct tcpcb *	tp,
		int	num_sack_blks,
		struct sackblk *	sack_blocks
	)

Definition at line 985 of file rack_bbr_common.c.

References tcp_log_bbr::applimited, sackblk::end, tcp_log_bbr::flex1, tcp_log_bbr::flex2, tcp_log_bbr::flex3, tcp_log_bbr::flex4, tcp_log_bbr::flex5, tcp_log_bbr::flex6, tcp_log_bbr::flex8, inpcb::inp_socket, tcp_log_bbr::pkts_out, sackblk::start, tcpcb::t_inpcb, tcpcb::t_logstate, tcp_get_usecs(), TCP_LOG_EVENTP, TCP_LOG_STATE_OFF, TCP_SACK_FILTER_RES, tcp_log_bbr::timeStamp, and tcp_log_stackspecific::u_bbr.

Referenced by bbr_log_ack(), and rack_log_ack().

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ctf_outstanding()

uint32_t ctf_outstanding

(

struct tcpcb *

tp

)

Definition at line 545 of file rack_bbr_common.c.

References tcpcb::snd_max, tcpcb::snd_una, tcpcb::t_flags, tcpcb::t_state, TCPS_ESTABLISHED, and TF_SENTFIN.

Referenced by bbr_cwnd_limiting(), bbr_fastack(), bbr_output_wtime(), bbr_process_data(), bbr_set_probebw_gains(), bbr_timeout_tlp(), bbr_what_can_we_send(), ctf_flight_size(), pace_to_fill_cwnd(), rack_fastack(), rack_output(), rack_post_recovery(), rack_process_data(), rack_validate_fo_sendwin_up(), and rack_what_can_we_send().

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ctf_process_inbound_raw()

int ctf_process_inbound_raw	(	struct tcpcb *	tp,
		struct socket *	so,
		struct mbuf *	m,
		int	has_pkt
	)

Definition at line 363 of file rack_bbr_common.c.

References ctf_get_enet_type(), inpcb::inp_flags2, INP_MBUF_ACKCMP, INP_UNLOCK_ASSERT, INP_WLOCK_ASSERT, ip::ip_len, ip::ip_tos, KMOD_TCPSTAT_ADD, KMOD_TCPSTAT_INC, M_ACKCMP, tcpcb::t_fb, tcpcb::t_inpcb, tcp_fields_to_host(), tcp_get_usecs(), and tcp_function_block::tfb_do_segment_nounlock.

Referenced by ctf_do_queued_segments().

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ctf_progress_timeout_check()

int32_t ctf_progress_timeout_check	(	struct tcpcb *	tp,
		bool	log
	)

Definition at line 1045 of file rack_bbr_common.c.

References KMOD_TCPSTAT_INC, tcpcb::t_acktime, tcpcb::t_maxunacktime, TCP_EI_STATUS_PROGRESS, tcp_log_end_status(), and TSTMP_GT.

Referenced by bbr_do_close_wait(), bbr_do_closing(), bbr_do_established(), bbr_do_fin_wait_1(), bbr_do_fin_wait_2(), bbr_do_lastack(), bbr_timeout_persist(), bbr_timeout_rxt(), bbr_timeout_tlp(), rack_do_close_wait(), rack_do_closing(), rack_do_compressed_ack_processing(), rack_do_established(), rack_do_fin_wait_1(), rack_do_fin_wait_2(), rack_do_lastack(), rack_timeout_persist(), rack_timeout_rxt(), and rack_timeout_tlp().

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ctf_ts_check()

int ctf_ts_check	(	struct mbuf *	m,
		struct tcphdr *	th,
		struct tcpcb *	tp,
		int32_t	tlen,
		int32_t	thflags,
		int32_t *	ret_val
	)

Definition at line 894 of file rack_bbr_common.c.

References ctf_do_drop(), ctf_do_dropafterack, KMOD_TCPSTAT_ADD, KMOD_TCPSTAT_INC, TCP_PAWS_IDLE, tcp_ts_getticks(), tcpcb::ts_recent, and tcpcb::ts_recent_age.

Referenced by bbr_do_close_wait(), bbr_do_closing(), bbr_do_established(), bbr_do_fin_wait_1(), bbr_do_fin_wait_2(), bbr_do_lastack(), bbr_do_syn_recv(), rack_do_close_wait(), rack_do_closing(), rack_do_established(), rack_do_fin_wait_1(), rack_do_fin_wait_2(), rack_do_lastack(), and rack_do_syn_recv().

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ctf_ts_check_ac()

int ctf_ts_check_ac	(	struct tcpcb *	tp,
		int32_t	thflags
	)

Definition at line 926 of file rack_bbr_common.c.

References KMOD_TCPSTAT_INC, TCP_PAWS_IDLE, tcp_ts_getticks(), tcpcb::ts_recent, and tcpcb::ts_recent_age.

Referenced by rack_do_compressed_ack_processing().

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