bsd/net/pf.c

4014 	struct pf_src_node	*nsn = NULL;
4105 		if ((nr = pf_get_translation_aux(pd, m, off, PF_OUT, kif, &nsn,
4203 		if ((nr = pf_get_translation_aux(pd, m, off, PF_IN, kif, &nsn,
4757 				nsn = 0;
4779 		    pf_insert_src_node(&nsn, nr, &pd->baddr, af) != 0) ||
4780 		    (pf_insert_src_node(&nsn, nr, saddr, af) != 0))) {
4794 			if (nsn != sn && nsn != NULL && nsn->states == 0 &&
4795 			    nsn->expire == 0) {
4796 				RB_REMOVE(pf_src_tree, &tree_src_tracking, nsn);
4799 				pool_put(&pf_src_tree_pl, nsn);
4890 		if (nsn != NULL) {
4891 			PF_ACPY(&nsn->raddr, &pd->naddr, af);
4892 			s->nat_src_node = nsn;