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case CC_NDUPACK:		case CC_NDUPACK:
if (!IN_FASTRECOVERY(tp->t_flags)) {		if (!IN_FASTRECOVERY(tp->t_flags)) {
tp->snd_recover = tp->snd_max;		tp->snd_recover = tp->snd_max;
if (tp->t_flags2 & TF2_ECN_PERMIT)		if (tp->t_flags2 & TF2_ECN_PERMIT)
tp->t_flags2 \|= TF2_ECN_SND_CWR;		tp->t_flags2 \|= TF2_ECN_SND_CWR;
}		}
break;		break;
case CC_ECN:		case CC_ECN:
if (!IN_CONGRECOVERY(tp->t_flags)) {		if (!IN_CONGRECOVERY(tp->t_flags) \|\|
		/*
		* Allow ECN reaction on ACK to CWR, if
		* that data segment was also CE marked.
		*/
		SEQ_GEQ(th->th_ack, tp->snd_recover)) {
		EXIT_CONGRECOVERY(tp->t_flags);
TCPSTAT_INC(tcps_ecn_rcwnd);		TCPSTAT_INC(tcps_ecn_rcwnd);
tp->snd_recover = tp->snd_max;		tp->snd_recover = tp->snd_max + 1;
if (tp->t_flags2 & TF2_ECN_PERMIT)		if (tp->t_flags2 & TF2_ECN_PERMIT)
tp->t_flags2 \|= TF2_ECN_SND_CWR;		tp->t_flags2 \|= TF2_ECN_SND_CWR;
}		}
break;		break;
case CC_RTO:		case CC_RTO:
maxseg = tcp_maxseg(tp);		maxseg = tcp_maxseg(tp);
tp->t_dupacks = 0;		tp->t_dupacks = 0;
tp->t_bytes_acked = 0;		tp->t_bytes_acked = 0;
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