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	#endif			#endif
	if (tiwin > rack->r_ctl.rc_high_rwnd)			if (tiwin > rack->r_ctl.rc_high_rwnd)
	rack->r_ctl.rc_high_rwnd = tiwin;			rack->r_ctl.rc_high_rwnd = tiwin;
	/*			/*
	* TCP ECN processing. XXXJTL: If we ever use ECN, we need to move			* TCP ECN processing. XXXJTL: If we ever use ECN, we need to move
	* this to occur after we've validated the segment.			* this to occur after we've validated the segment.
	*/			*/
	if (tp->t_flags2 & TF2_ECN_PERMIT) {			if (tp->t_flags2 & TF2_ECN_PERMIT) {
	if (thflags & TH_CWR)			if (thflags & TH_CWR) {
	tp->t_flags2 &= ~TF2_ECN_SND_ECE;			tp->t_flags2 &= ~TF2_ECN_SND_ECE;
				tp->t_flags \|= TF_ACKNOW;
				}
	switch (iptos & IPTOS_ECN_MASK) {			switch (iptos & IPTOS_ECN_MASK) {
	case IPTOS_ECN_CE:			case IPTOS_ECN_CE:
	tp->t_flags2 \|= TF2_ECN_SND_ECE;			tp->t_flags2 \|= TF2_ECN_SND_ECE;
	TCPSTAT_INC(tcps_ecn_ce);			TCPSTAT_INC(tcps_ecn_ce);
	break;			break;
	case IPTOS_ECN_ECT0:			case IPTOS_ECN_ECT0:
	TCPSTAT_INC(tcps_ecn_ect0);			TCPSTAT_INC(tcps_ecn_ect0);
	break;			break;
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