196 	struct htcp *htcp_data;  in htcp_ack_received()  local
198 	htcp_data = ccv->cc_data;  in htcp_ack_received()
217 		if (htcp_data->alpha == 1 ||  in htcp_ack_received()
223 				CCV(ccv, snd_cwnd) += htcp_data->alpha *  in htcp_ack_received()
232 				CCV(ccv, snd_cwnd) += (((htcp_data->alpha <<  in htcp_ack_received()
255 	struct htcp *htcp_data;  in htcp_cb_init()  local
259 		htcp_data = malloc(sizeof(struct htcp), M_CC_MEM, M_NOWAIT);  in htcp_cb_init()
260 		if (htcp_data == NULL)  in htcp_cb_init()
263 		htcp_data = ptr;  in htcp_cb_init()
266 	htcp_data->alpha = HTCP_INIT_ALPHA;  in htcp_cb_init()
267 	htcp_data->beta = HTCP_MINBETA;  in htcp_cb_init()
268 	htcp_data->maxrtt = TCPTV_SRTTBASE;  in htcp_cb_init()
269 	htcp_data->minrtt = TCPTV_SRTTBASE;  in htcp_cb_init()
270 	htcp_data->prev_cwnd = 0;  in htcp_cb_init()
271 	htcp_data->t_last_cong = ticks;  in htcp_cb_init()
273 	ccv->cc_data = htcp_data;  in htcp_cb_init()
284 	struct htcp *htcp_data;  in htcp_cong_signal()  local
287 	htcp_data = ccv->cc_data;  in htcp_cong_signal()
299 				htcp_data->maxrtt = (htcp_data->minrtt +  in htcp_cong_signal()
300 				    (htcp_data->maxrtt - htcp_data->minrtt) *  in htcp_cong_signal()
303 				htcp_data->t_last_cong = ticks;  in htcp_cong_signal()
304 				htcp_data->prev_cwnd = CCV(ccv, snd_cwnd);  in htcp_cong_signal()
316 			htcp_data->maxrtt = (htcp_data->minrtt + (htcp_data->maxrtt -  in htcp_cong_signal()
317 			    htcp_data->minrtt) * 95) / 100;  in htcp_cong_signal()
320 			htcp_data->t_last_cong = ticks;  in htcp_cong_signal()
321 			htcp_data->prev_cwnd = CCV(ccv, snd_cwnd);  in htcp_cong_signal()
339 			htcp_data->t_last_cong = ticks;  in htcp_cong_signal()
363 	struct htcp *htcp_data;  in htcp_post_recovery()  local
366 	htcp_data = ccv->cc_data;  in htcp_post_recovery()
389 			CCV(ccv, snd_cwnd) = max(1, ((htcp_data->beta *  in htcp_post_recovery()
390 			    htcp_data->prev_cwnd / CCV(ccv, t_maxseg))  in htcp_post_recovery()
398 	struct htcp *htcp_data;  in htcp_recalc_alpha()  local
401 	htcp_data = ccv->cc_data;  in htcp_recalc_alpha()
415 	if (now < htcp_data->t_last_cong)  in htcp_recalc_alpha()
416 		htcp_data->t_last_cong = now - HTCP_DELTA_L;  in htcp_recalc_alpha()
418 	diff = now - htcp_data->t_last_cong - HTCP_DELTA_L;  in htcp_recalc_alpha()
435 				    htcp_data->beta) * alpha) >> HTCP_SHIFT);  in htcp_recalc_alpha()
452 		htcp_data->alpha = alpha;  in htcp_recalc_alpha()
459 	struct htcp *htcp_data;  in htcp_recalc_beta()  local
461 	htcp_data = ccv->cc_data;  in htcp_recalc_beta()
469 	if (V_htcp_adaptive_backoff && htcp_data->minrtt != TCPTV_SRTTBASE &&  in htcp_recalc_beta()
470 	    htcp_data->maxrtt != TCPTV_SRTTBASE)  in htcp_recalc_beta()
471 		htcp_data->beta = min(max(HTCP_MINBETA,  in htcp_recalc_beta()
472 		    (htcp_data->minrtt << HTCP_SHIFT) / htcp_data->maxrtt),  in htcp_recalc_beta()
475 		htcp_data->beta = HTCP_MINBETA;  in htcp_recalc_beta()
485 	struct htcp *htcp_data;  in htcp_record_rtt()  local
487 	htcp_data = ccv->cc_data;  in htcp_record_rtt()
496 	if ((tcp_get_srtt(ccv->ccvc.tcp, TCP_TMR_GRANULARITY_TICKS) < htcp_data->minrtt ||  in htcp_record_rtt()
497 	    htcp_data->minrtt == TCPTV_SRTTBASE) &&  in htcp_record_rtt()
499 		htcp_data->minrtt = tcp_get_srtt(ccv->ccvc.tcp, TCP_TMR_GRANULARITY_TICKS);  in htcp_record_rtt()
505 	if (tcp_get_srtt(ccv->ccvc.tcp, TCP_TMR_GRANULARITY_TICKS) > htcp_data->maxrtt  in htcp_record_rtt()
507 		htcp_data->maxrtt = tcp_get_srtt(ccv->ccvc.tcp, TCP_TMR_GRANULARITY_TICKS);  in htcp_record_rtt()
516 	struct htcp *htcp_data;  in htcp_ssthresh_update()  local
518 	htcp_data = ccv->cc_data;  in htcp_ssthresh_update()
530 		    htcp_data->beta) >> HTCP_SHIFT;  in htcp_ssthresh_update()