142 	dce_t		*dce;  in conn_ip_output()  local
285 	dce = ixa->ixa_dce;  in conn_ip_output()
291 	if (dce->dce_flags & DCEF_PMTU) {  in conn_ip_output()
294 		if ((TICK_TO_SEC(now) - dce->dce_last_change_time >  in conn_ip_output()
302 			mutex_enter(&dce->dce_lock);  in conn_ip_output()
303 			dce->dce_flags &= ~(DCEF_PMTU|DCEF_TOO_SMALL_PMTU);  in conn_ip_output()
304 			dce->dce_last_change_time = TICK_TO_SEC(now);  in conn_ip_output()
305 			mutex_exit(&dce->dce_lock);  in conn_ip_output()
306 			dce_increment_generation(dce);  in conn_ip_output()
310 	if (dce->dce_generation != ixa->ixa_dce_generation) {  in conn_ip_output()
317 		dce = ixa->ixa_dce;  in conn_ip_output()
377 	return ((ire->ire_sendfn)(ire, mp, mp->b_rptr, ixa, &dce->dce_ident));  in conn_ip_output()
598 	dce_t		*dce;  in ip_verify_dce()  local
602 	dce = dce_lookup_pkt(mp, ixa, &gen);  in ip_verify_dce()
603 	ASSERT(dce != NULL);  in ip_verify_dce()
607 	dce_refhold_notr(dce);  in ip_verify_dce()
608 	dce_refrele(dce);  in ip_verify_dce()
610 	ixa->ixa_dce = dce;  in ip_verify_dce()
815 	dce_t		*dce = NULL;  in ip_output_simple_v4()  local
930 	dce = dce_lookup_v4(dst, ipst, NULL);  in ip_output_simple_v4()
931 	ASSERT(dce != NULL);  in ip_output_simple_v4()
935 	} else if (dce->dce_flags & DCEF_PMTU) {  in ip_output_simple_v4()
941 		if (TICK_TO_SEC(now) - dce->dce_last_change_time >  in ip_output_simple_v4()
946 			mutex_enter(&dce->dce_lock);  in ip_output_simple_v4()
947 			dce->dce_flags &= ~(DCEF_PMTU|DCEF_TOO_SMALL_PMTU);  in ip_output_simple_v4()
948 			dce->dce_last_change_time = TICK_TO_SEC(now);  in ip_output_simple_v4()
949 			mutex_exit(&dce->dce_lock);  in ip_output_simple_v4()
950 			dce_increment_generation(dce);  in ip_output_simple_v4()
956 			if (fragsize > dce->dce_pmtu)  in ip_output_simple_v4()
957 				fragsize = dce->dce_pmtu;  in ip_output_simple_v4()
1048 	error = (ire->ire_sendfn)(ire, mp, ipha, ixa, &dce->dce_ident);  in ip_output_simple_v4()
1051 	if (dce != NULL)  in ip_output_simple_v4()
1052 		dce_refrele(dce);  in ip_output_simple_v4()