netinet/tcp_stacks/bbr.c

485 bbr_log_to_start(struct tcp_bbr *bbr, uint32_t cts, uint32_t to, int32_t slot,
494 bbr_log_type_bbrsnd(struct tcp_bbr *bbr, uint32_t len, uint32_t slot,
729 bbr_start_hpts_timer(struct tcp_bbr *bbr, struct tcpcb *tp, uint32_t cts, int32_t frm, int32_t slot, uint32_t tot_len)
756 	    (slot == 0)) {
762 		slot = bbr->r_ctl.rc_last_delay_val;
766 			if (delay_calc <= slot)
767 				slot -= delay_calc;
772 		bbr_log_pacing_delay_calc(bbr, 0, bbr->r_ctl.rc_agg_early, cts, slot, 0, bbr->r_agg_early_set, 2);
773 		slot += bbr->r_ctl.rc_agg_early;
779 		if (slot > bbr->r_ctl.rc_hptsi_agg_delay) {
781 			slot -= bbr->r_ctl.rc_hptsi_agg_delay;
785 			bbr->r_ctl.rc_hptsi_agg_delay -= slot;
786 			bbr->r_ctl.rc_last_delay_val = slot = 100;
789 	bbr->r_ctl.rc_last_delay_val = slot;
815 	if (slot) {
825 	    (slot == 0)) {
854 	if (bbr->r_ctl.rc_incr_tmrs && slot &&
872 		hpts_timeout += slot;
884 	if ((slot) &&
887 	     (slot <= hpts_timeout))  ) {
905 		(void)tcp_hpts_insert_diag(tp, HPTS_USEC_TO_SLOTS(slot),
909 		bbr_log_to_start(bbr, cts, hpts_timeout, slot, 1);
915 		 * We add the flag here as well if the slot is set,
924 		if (slot)
941 		bbr_log_to_start(bbr, cts, hpts_timeout, slot, 0);
946 	bbr_log_type_bbrsnd(bbr, tot_len, slot, delay_calc, cts, frm, prev_delay);
1046 	 * force the hpts to be stopped if any, and restart with the slot
1047 	 * set to what was in the saved slot.
2486 bbr_log_to_start(struct tcp_bbr *bbr, uint32_t cts, uint32_t to, int32_t slot, uint8_t which)
2496 		log.u_bbr.flex4 = slot;
2745 bbr_log_type_bbrsnd(struct tcp_bbr *bbr, uint32_t len, uint32_t slot, uint32_t del_by, uint32_t cts, uint32_t line, uint32_t prev_delay)
2751 		log.u_bbr.flex1 = slot;
5269 					/* Cut down our slot time */
5903 	 * slot (11).
11846 	int32_t slot = 0;
11977 			 * our slot time.
12094 	slot = 0;
12116 				slot = 1001;
12690 		slot = bbr_get_pacing_delay(bbr, bbr->r_ctl.rc_bbr_hptsi_gain, tot_len, cts, 0);
12692 		slot = 0;
12742 	bbr_start_hpts_timer(bbr, tp, cts, 9, slot, tot_len);
12778 					slot = 0;
13044 		slot = 0;
13758 			slot = (bbr_error_base_paceout + 1) << bbr->oerror_cnt;
13807 				 * with slot
13810 					slot = bbr_get_pacing_delay(bbr,
13813 					if (slot < bbr_error_base_paceout)
13814 						slot = (bbr_error_base_paceout + 2) << bbr->oerror_cnt;
13816 					slot = (bbr_error_base_paceout + 2) << bbr->oerror_cnt;
13818 				bbr_start_hpts_timer(bbr, tp, cts, 10, slot,
13835 			slot = (bbr_error_base_paceout + 3) << bbr->oerror_cnt;
13837 			bbr_start_hpts_timer(bbr, tp, cts, 11, slot, 0);
13975 		 * Calculate/Re-Calculate the hptsi slot in usecs based on
13978 		slot = bbr_get_pacing_delay(bbr, bbr->r_ctl.rc_bbr_hptsi_gain, tot_len, cts, 0);
13980 			slot = 0;
13993 		if (slot > 1000)
13994 			slot = 1000;
14008 	bbr_start_hpts_timer(bbr, tp, cts, 12, slot, tot_len);
14114 			/* one slot please */
14121 			/* one slot please */