Lines Matching defs:cubicd

107 cubic_log_hystart_event(struct cc_var *ccv, struct cubic *cubicd, uint8_t mod, uint32_t flex1)
135 		log.u_bbr.flex2 = cubicd->css_current_round_minrtt;
136 		log.u_bbr.flex3 = cubicd->css_lastround_minrtt;
137 		log.u_bbr.flex4 = cubicd->css_rttsample_count;
138 		log.u_bbr.flex5 = cubicd->css_entered_at_round;
139 		log.u_bbr.flex6 = cubicd->css_baseline_minrtt;
141 		log.u_bbr.flex7 = cubicd->flags & 0x0000ffff;
143 		log.u_bbr.epoch = cubicd->css_current_round;
145 		log.u_bbr.lt_epoch = cubicd->css_fas_at_css_entry;
146 		log.u_bbr.pkts_out = cubicd->css_last_fas;
147 		log.u_bbr.delivered = cubicd->css_lowrtt_fas;
158 cubic_does_slow_start(struct cc_var *ccv, struct cubic *cubicd)
175 	cubicd->flags |= CUBICFLAG_IN_SLOWSTART;
181 	    (cubicd->flags & CUBICFLAG_HYSTART_ENABLED) &&
182 	    ((cubicd->flags & CUBICFLAG_HYSTART_IN_CSS) == 0)) {
188 		if ((cubicd->css_rttsample_count >= hystart_n_rttsamples) &&
189 		    (cubicd->css_current_round_minrtt != 0xffffffff) &&
190 		    (cubicd->css_lastround_minrtt != 0xffffffff)) {
194 			rtt_thresh = (cubicd->css_lastround_minrtt >> 3);
199 			cubic_log_hystart_event(ccv, cubicd, 1, rtt_thresh);
201 			if (cubicd->css_current_round_minrtt >= (cubicd->css_lastround_minrtt + rtt_thresh)) {
203 				cubicd->flags |= CUBICFLAG_HYSTART_IN_CSS;
204 				cubicd->css_fas_at_css_entry = cubicd->css_lowrtt_fas;
212 				cubicd->css_baseline_minrtt = cubicd->css_current_round_minrtt;
213 				cubicd->css_entered_at_round = cubicd->css_current_round;
214 				cubic_log_hystart_event(ccv, cubicd, 2, rtt_thresh);
225 	if (cubicd->flags & CUBICFLAG_HYSTART_IN_CSS) {
227 		cubic_log_hystart_event(ccv, cubicd, 3, incr);
667 	struct cubic *cubicd;
669 	cubicd = ccv->cc_data;
676 	cubicd->css_rttsample_count++;
677 	cubicd->css_last_fas = fas;
678 	if (cubicd->css_current_round_minrtt > usec_rtt) {
679 		cubicd->css_current_round_minrtt = usec_rtt;
680 		cubicd->css_lowrtt_fas = cubicd->css_last_fas;
682 	if ((cubicd->css_rttsample_count >= hystart_n_rttsamples) &&
683 	    (cubicd->css_current_round_minrtt != 0xffffffff) &&
684 	    (cubicd->css_current_round_minrtt < cubicd->css_baseline_minrtt) &&
685 	    (cubicd->css_lastround_minrtt != 0xffffffff)) {
690 		cubicd->flags &= ~CUBICFLAG_HYSTART_IN_CSS;
691 		cubic_log_hystart_event(ccv, cubicd, 8, cubicd->css_baseline_minrtt);
692 		cubicd->css_baseline_minrtt = 0xffffffff;
694 	if (cubicd->flags & CUBICFLAG_HYSTART_ENABLED)
695 		cubic_log_hystart_event(ccv, cubicd, 5, usec_rtt);
701 	struct cubic *cubicd;
703 	cubicd = ccv->cc_data;
705 	cubicd->css_lastround_minrtt = cubicd->css_current_round_minrtt;
706 	cubicd->css_current_round_minrtt = 0xffffffff;
707 	cubicd->css_rttsample_count = 0;
708 	cubicd->css_current_round = round_cnt;
709 	if ((cubicd->flags & CUBICFLAG_HYSTART_IN_CSS) &&
710 	    ((round_cnt - cubicd->css_entered_at_round) >= hystart_css_rounds)) {
720 				CCV(ccv, snd_ssthresh) = ((cubicd->css_lowrtt_fas + cubicd->css_fas_at_css_entry) / 2);
722 				CCV(ccv, snd_ssthresh) = cubicd->css_lowrtt_fas;
724 			CCV(ccv, snd_cwnd) = cubicd->css_fas_at_css_entry;
725 			cubicd->css_entered_at_round = round_cnt;
729 			cubicd->flags &= ~CUBICFLAG_HYSTART_IN_CSS;
731 			cubicd->flags &= ~CUBICFLAG_HYSTART_ENABLED;
733 		cubic_log_hystart_event(ccv, cubicd, 6, CCV(ccv, snd_ssthresh));
735 	if (cubicd->flags & CUBICFLAG_HYSTART_ENABLED)
736 		cubic_log_hystart_event(ccv, cubicd, 4, round_cnt);