210     int plen, int optlen, bool frag __unused)  in ip6_output_delayed_csum()  argument
213 	KASSERT((plen >= optlen), ("%s:%d: plen %d < optlen %d, m %p, ifp %p "  in ip6_output_delayed_csum()
215 	    __func__, __LINE__, plen, optlen, m, ifp, csum_flags, frag));  in ip6_output_delayed_csum()
223 			in6_delayed_cksum(m, plen - optlen,  in ip6_output_delayed_csum()
224 			    sizeof(struct ip6_hdr) + optlen);  in ip6_output_delayed_csum()
229 			sctp_delayed_cksum(m, sizeof(struct ip6_hdr) + optlen);  in ip6_output_delayed_csum()
346 	u_int32_t optlen = 0, plen = 0, unfragpartlen = 0;  in ip6_output()  local
411 	optlen = 0;  in ip6_output()
413 		optlen += exthdrs.ip6e_hbh->m_len;  in ip6_output()
415 		optlen += exthdrs.ip6e_dest1->m_len;  in ip6_output()
417 		optlen += exthdrs.ip6e_rthdr->m_len;  in ip6_output()
418 	unfragpartlen = optlen + sizeof(struct ip6_hdr);  in ip6_output()
422 		optlen += exthdrs.ip6e_dest2->m_len;  in ip6_output()
428 	if (optlen && !hdrsplit) {  in ip6_output()
440 	m->m_pkthdr.len += optlen;  in ip6_output()
941 	error = ip6_output_delayed_csum(m, ifp, sw_csum, plen, optlen, false);  in ip6_output()
1045 		    plen, optlen, true);  in ip6_output()
1445 	int optlen;  in ip6_ctloutput()  local
1464 	optlen = sopt->sopt_valsize;  in ip6_ctloutput()
1535 				if (optlen > IPV6_PKTOPTIONS_MBUF_LIMIT) {  in ip6_ctloutput()
1605 				if (optlen != sizeof(int)) {  in ip6_ctloutput()
1796 				if (optlen != sizeof(optval)) {  in ip6_ctloutput()
1826 				if (optlen != sizeof(int)) {  in ip6_ctloutput()
1878 				int optlen;  in ip6_ctloutput()  local
1896 				optlen = sopt->sopt_valsize;  in ip6_ctloutput()
1904 				error = ip6_pcbopt(optname, optbuf, optlen,  in ip6_ctloutput()
2218 	int error = 0, optval, optlen;  in ip6_raw_ctloutput()  local
2226 	optlen = sopt->sopt_valsize;  in ip6_raw_ctloutput()
2244 			if (optlen != sizeof(int)) {  in ip6_raw_ctloutput()