4054 	u_short *csump;  local
4075 	csump = NULL;
4132 		csump = nat_proto(fin, nat, nflags);
4140 	if (csump != NULL && !NET_IS_HCK_L4_FULL(net_data_p, fin->fin_m)) {
4148 			fix_outcksum(csump, sumd);
4150 			fix_incksum(csump, sumd);
4382 	u_short *csump;  local
4401 	csump = NULL;
4468 		csump = nat_proto(fin, nat, nflags);
4475 	if (csump != NULL) {
4477 			fix_incksum(csump, nat->nat_sumd[0]);
4479 			fix_outcksum(csump, nat->nat_sumd[0]);
4493 		csump = &fin->fin_m->b_datap->db_cksum16;
4495 			fix_outcksum(csump, nat->nat_sumd[1]);
4497 			fix_incksum(csump, nat->nat_sumd[1]);
4530 	u_short *csump;  local
4534 	csump = NULL;
4546 		csump = &tcp->th_sum;
4553 			nat_mssclamp(tcp, nat->nat_mssclamp, csump);
4561 			csump = &udp->uh_sum;
4569 				csump = &icmp->icmp_cksum;
4578 				csump = &icmp6->icmp6_cksum;
4582 	return csump;
5372 static void nat_mssclamp(tcp, maxmss, csump)  in nat_mssclamp()  argument
5375 u_short *csump;
5410 					fix_outcksum(csump, sumd);