3398 	uint_t		pmtu;  in ip_set_destination_v4()  local
3648 	pmtu = ip_get_pmtu(ixa);  in ip_set_destination_v4()
3649 	ixa->ixa_fragsize = pmtu;  in ip_set_destination_v4()
3652 		ixa->ixa_pmtu = pmtu;  in ip_set_destination_v4()
3669 		if (uinfo->iulp_mtu == 0 || uinfo->iulp_mtu > pmtu)  in ip_set_destination_v4()
3670 			uinfo->iulp_mtu = pmtu;  in ip_set_destination_v4()
3744 	uint_t		pmtu;  in ip_get_pmtu()  local
3757 	pmtu = IP_MAXPACKET;  in ip_get_pmtu()
3774 			pmtu = IPV6_MIN_MTU;  in ip_get_pmtu()
3793 	    ire->ire_metrics.iulp_mtu < pmtu)  in ip_get_pmtu()
3794 		pmtu = ire->ire_metrics.iulp_mtu;  in ip_get_pmtu()
3803 			if (dce->dce_pmtu < pmtu)  in ip_get_pmtu()
3804 				pmtu = dce->dce_pmtu;  in ip_get_pmtu()
3830 		if (loopback_mtu < pmtu)  in ip_get_pmtu()
3831 			pmtu = loopback_mtu;  in ip_get_pmtu()
3840 			if (nce->nce_common->ncec_ill->ill_mc_mtu < pmtu)  in ip_get_pmtu()
3841 				pmtu = nce->nce_common->ncec_ill->ill_mc_mtu;  in ip_get_pmtu()
3843 			    nce->nce_ill->ill_mc_mtu < pmtu) {  in ip_get_pmtu()
3850 				pmtu = nce->nce_ill->ill_mc_mtu;  in ip_get_pmtu()
3853 			if (nce->nce_common->ncec_ill->ill_mtu < pmtu)  in ip_get_pmtu()
3854 				pmtu = nce->nce_common->ncec_ill->ill_mtu;  in ip_get_pmtu()
3856 			    nce->nce_ill->ill_mtu < pmtu) {  in ip_get_pmtu()
3863 				pmtu = nce->nce_ill->ill_mtu;  in ip_get_pmtu()
3877 					pmtu = IPV6_MIN_MTU;  in ip_get_pmtu()
3880 				pmtu = IPV6_MIN_MTU;  in ip_get_pmtu()
3888 				pmtu = IPV6_MIN_MTU;  in ip_get_pmtu()
3908 			pmtu -= sizeof (ip6_frag_t);  in ip_get_pmtu()
3913 	return (pmtu);  in ip_get_pmtu()
6605 	uint32_t	pmtu = IP_MAXPACKET;  in ip_fill_mtuinfo()  local
6613 		pmtu = ip_get_pmtu(ixa);  in ip_fill_mtuinfo()
6625 	mtuinfo->ip6m_mtu = pmtu;  in ip_fill_mtuinfo()