776 		int iphlen;  in hn_tso_fixup()  local
780 		iphlen = ip->ip_hl << 2;  in hn_tso_fixup()
781 		m_head->m_pkthdr.l3hlen = iphlen;  in hn_tso_fixup()
783 		PULLUP_HDR(m_head, ehlen + iphlen + sizeof(*th));  in hn_tso_fixup()
784 		th = mtodo(m_head, ehlen + iphlen);  in hn_tso_fixup()
837 		int iphlen;  in hn_set_hlen()  local
841 		iphlen = ip->ip_hl << 2;  in hn_set_hlen()
842 		m_head->m_pkthdr.l3hlen = iphlen;  in hn_set_hlen()
855 			uint16_t off = ehlen + iphlen;  in hn_set_hlen()
893 	int ehlen, iphlen;  in hn_check_tcpsyn()  local
897 	iphlen = m_head->m_pkthdr.l3hlen;  in hn_check_tcpsyn()
899 	PULLUP_HDR(m_head, ehlen + iphlen + sizeof(*th));  in hn_check_tcpsyn()
900 	th = mtodo(m_head, ehlen + iphlen);  in hn_check_tcpsyn()
4827 	int len, iphlen, iplen;  in hn_check_iplen()  local
4844 	iphlen = ip->ip_hl << 2;  in hn_check_iplen()
4845 	if (iphlen < sizeof(struct ip))		/* minimum header length */  in hn_check_iplen()
4849 	if (m->m_len < hoff + iphlen)  in hn_check_iplen()
4873 		if (iplen < iphlen + sizeof(struct tcphdr))  in hn_check_iplen()
4875 		if (m->m_len < hoff + iphlen + sizeof(struct tcphdr))  in hn_check_iplen()
4877 		th = (const struct tcphdr *)((const uint8_t *)ip + iphlen);  in hn_check_iplen()
4879 		if (thoff < sizeof(struct tcphdr) || thoff + iphlen > iplen)  in hn_check_iplen()
4881 		if (m->m_len < hoff + iphlen + thoff)  in hn_check_iplen()
4885 		if (iplen < iphlen + sizeof(struct udphdr))  in hn_check_iplen()
4887 		if (m->m_len < hoff + iphlen + sizeof(struct udphdr))  in hn_check_iplen()
4891 		if (iplen < iphlen)  in hn_check_iplen()