392 newreno_cc_post_recovery(struct cc_var *ccv)  in newreno_cc_post_recovery()  argument
395 	uint32_t mss = tcp_fixed_maxseg(ccv->tp);  in newreno_cc_post_recovery()
397 	if (IN_FASTRECOVERY(CCV(ccv, t_flags))) {  in newreno_cc_post_recovery()
408 			pipe = tcp_compute_pipe(ccv->tp);  in newreno_cc_post_recovery()
410 			pipe = CCV(ccv, snd_max) - ccv->curack;  in newreno_cc_post_recovery()
411 		if (pipe < CCV(ccv, snd_ssthresh))  in newreno_cc_post_recovery()
416 			CCV(ccv, snd_cwnd) = max(pipe, mss) + mss;  in newreno_cc_post_recovery()
418 			CCV(ccv, snd_cwnd) = CCV(ccv, snd_ssthresh);  in newreno_cc_post_recovery()
423 newreno_cc_after_idle(struct cc_var *ccv)  in newreno_cc_after_idle()  argument
443 	rw = tcp_compute_initwnd(tcp_fixed_maxseg(ccv->tp));  in newreno_cc_after_idle()
445 	CCV(ccv, snd_ssthresh) = max(CCV(ccv, snd_ssthresh),  in newreno_cc_after_idle()
446 	    CCV(ccv, snd_cwnd)-(CCV(ccv, snd_cwnd)>>2));  in newreno_cc_after_idle()
448 	CCV(ccv, snd_cwnd) = min(rw, CCV(ccv, snd_cwnd));  in newreno_cc_after_idle()
455 newreno_cc_cwnd_on_multiplicative_decrease(struct cc_var *ccv, uint32_t mss)  in newreno_cc_cwnd_on_multiplicative_decrease()  argument
459 	cwin = CCV(ccv, snd_cwnd);  in newreno_cc_cwnd_on_multiplicative_decrease()
474 newreno_cc_cong_signal(struct cc_var *ccv, ccsignal_t type)  in newreno_cc_cong_signal()  argument
478 	mss = tcp_fixed_maxseg(ccv->tp);  in newreno_cc_cong_signal()
484 	cwin = newreno_cc_cwnd_on_multiplicative_decrease(ccv, mss);  in newreno_cc_cong_signal()
488 		if (!IN_FASTRECOVERY(CCV(ccv, t_flags))) {  in newreno_cc_cong_signal()
489 			if (!IN_CONGRECOVERY(CCV(ccv, t_flags)))  in newreno_cc_cong_signal()
490 				CCV(ccv, snd_ssthresh) = cwin;  in newreno_cc_cong_signal()
491 			ENTER_RECOVERY(CCV(ccv, t_flags));  in newreno_cc_cong_signal()
495 		if (!IN_CONGRECOVERY(CCV(ccv, t_flags))) {  in newreno_cc_cong_signal()
496 			CCV(ccv, snd_ssthresh) = cwin;  in newreno_cc_cong_signal()
497 			CCV(ccv, snd_cwnd) = cwin;  in newreno_cc_cong_signal()
498 			ENTER_CONGRECOVERY(CCV(ccv, t_flags));  in newreno_cc_cong_signal()
502 		if (CCV(ccv, t_rxtshift) == 1) {  in newreno_cc_cong_signal()
504 				pipe = tcp_compute_pipe(ccv->tp);  in newreno_cc_cong_signal()
506 				pipe = CCV(ccv, snd_max) -  in newreno_cc_cong_signal()
507 					CCV(ccv, snd_fack) +  in newreno_cc_cong_signal()
508 					CCV(ccv, sackhint.sack_bytes_rexmit);  in newreno_cc_cong_signal()
510 			CCV(ccv, snd_ssthresh) = max(2,  in newreno_cc_cong_signal()
511 				min(CCV(ccv, snd_wnd), pipe) / 2 / mss) * mss;  in newreno_cc_cong_signal()
513 		CCV(ccv, snd_cwnd) = mss;  in newreno_cc_cong_signal()
521 newreno_cc_cwnd_in_cong_avoid(struct cc_var *ccv)  in newreno_cc_cwnd_in_cong_avoid()  argument
523 	u_int cw = CCV(ccv, snd_cwnd);  in newreno_cc_cwnd_in_cong_avoid()
524 	u_int incr = tcp_fixed_maxseg(ccv->tp);  in newreno_cc_cwnd_in_cong_avoid()
526 	KASSERT(cw > CCV(ccv, snd_ssthresh),  in newreno_cc_cwnd_in_cong_avoid()
547 		if (ccv->flags & CCF_ABC_SENTAWND)  in newreno_cc_cwnd_in_cong_avoid()
548 			ccv->flags &= ~CCF_ABC_SENTAWND;  in newreno_cc_cwnd_in_cong_avoid()
555 		return min(cw + incr, TCP_MAXWIN << CCV(ccv, snd_scale));  in newreno_cc_cwnd_in_cong_avoid()
561 newreno_cc_cwnd_in_slow_start(struct cc_var *ccv)  in newreno_cc_cwnd_in_slow_start()  argument
563 	u_int cw = CCV(ccv, snd_cwnd);  in newreno_cc_cwnd_in_slow_start()
564 	u_int mss = tcp_fixed_maxseg(ccv->tp);  in newreno_cc_cwnd_in_slow_start()
567 	KASSERT(cw <= CCV(ccv, snd_ssthresh),  in newreno_cc_cwnd_in_slow_start()
597 		if (ccv->flags & CCF_USE_LOCAL_ABC)  in newreno_cc_cwnd_in_slow_start()
598 			abc_val = ccv->labc;  in newreno_cc_cwnd_in_slow_start()
601 		if (CCV(ccv, snd_nxt) == CCV(ccv, snd_max))  in newreno_cc_cwnd_in_slow_start()
602 			incr = min(ccv->bytes_this_ack,  in newreno_cc_cwnd_in_slow_start()
603 			           ccv->nsegs * abc_val * mss);  in newreno_cc_cwnd_in_slow_start()
605 			incr = min(ccv->bytes_this_ack, mss);  in newreno_cc_cwnd_in_slow_start()
609 		return min(cw + incr, TCP_MAXWIN << CCV(ccv, snd_scale));  in newreno_cc_cwnd_in_slow_start()
615 newreno_cc_ack_received(struct cc_var *ccv, ccsignal_t type)  in newreno_cc_ack_received()  argument
617 	if (type == CC_ACK && !IN_RECOVERY(CCV(ccv, t_flags)) &&  in newreno_cc_ack_received()
618 	    (ccv->flags & CCF_CWND_LIMITED)) {  in newreno_cc_ack_received()
619 		if (CCV(ccv, snd_cwnd) > CCV(ccv, snd_ssthresh)) {  in newreno_cc_ack_received()
620 			CCV(ccv, snd_cwnd) = newreno_cc_cwnd_in_cong_avoid(ccv);  in newreno_cc_ack_received()
622 			CCV(ccv, snd_cwnd) = newreno_cc_cwnd_in_slow_start(ccv);  in newreno_cc_ack_received()