1806 tcp_addoptions(struct tcpopt *to, u_char *optp)  in tcp_addoptions()  argument
1819 				*optp++ = TCPOPT_NOP;  in tcp_addoptions()
1824 			*optp++ = TCPOPT_MAXSEG;  in tcp_addoptions()
1825 			*optp++ = TCPOLEN_MAXSEG;  in tcp_addoptions()
1827 			bcopy((u_char *)&to->to_mss, optp, sizeof(to->to_mss));  in tcp_addoptions()
1828 			optp += sizeof(to->to_mss);  in tcp_addoptions()
1833 				*optp++ = TCPOPT_NOP;  in tcp_addoptions()
1838 			*optp++ = TCPOPT_WINDOW;  in tcp_addoptions()
1839 			*optp++ = TCPOLEN_WINDOW;  in tcp_addoptions()
1840 			*optp++ = to->to_wscale;  in tcp_addoptions()
1845 				*optp++ = TCPOPT_NOP;  in tcp_addoptions()
1850 			*optp++ = TCPOPT_SACK_PERMITTED;  in tcp_addoptions()
1851 			*optp++ = TCPOLEN_SACK_PERMITTED;  in tcp_addoptions()
1856 				*optp++ = TCPOPT_NOP;  in tcp_addoptions()
1861 			*optp++ = TCPOPT_TIMESTAMP;  in tcp_addoptions()
1862 			*optp++ = TCPOLEN_TIMESTAMP;  in tcp_addoptions()
1865 			bcopy((u_char *)&to->to_tsval, optp, sizeof(to->to_tsval));  in tcp_addoptions()
1866 			optp += sizeof(to->to_tsval);  in tcp_addoptions()
1867 			bcopy((u_char *)&to->to_tsecr, optp, sizeof(to->to_tsecr));  in tcp_addoptions()
1868 			optp += sizeof(to->to_tsecr);  in tcp_addoptions()
1876 				*optp++ = TCPOPT_NOP;  in tcp_addoptions()
1883 			*optp++ = TCPOPT_SIGNATURE;  in tcp_addoptions()
1884 			*optp++ = TCPOLEN_SIGNATURE;  in tcp_addoptions()
1885 			to->to_signature = optp;  in tcp_addoptions()
1887 				 *optp++ = 0;  in tcp_addoptions()
1898 				*optp++ = TCPOPT_NOP;  in tcp_addoptions()
1903 			*optp++ = TCPOPT_SACK;  in tcp_addoptions()
1906 			*optp++ = TCPOLEN_SACKHDR + sackblks * TCPOLEN_SACK;  in tcp_addoptions()
1909 				bcopy((u_char *)&sack_seq, optp, sizeof(sack_seq));  in tcp_addoptions()
1910 				optp += sizeof(sack_seq);  in tcp_addoptions()
1912 				bcopy((u_char *)&sack_seq, optp, sizeof(sack_seq));  in tcp_addoptions()
1913 				optp += sizeof(sack_seq);  in tcp_addoptions()
1930 			*optp++ = TCPOPT_FAST_OPEN;  in tcp_addoptions()
1931 			*optp++ = total_len;  in tcp_addoptions()
1933 				bcopy(to->to_tfo_cookie, optp, to->to_tfo_len);  in tcp_addoptions()
1934 				optp += to->to_tfo_len;  in tcp_addoptions()
1948 		*optp++ = TCPOPT_EOL;  in tcp_addoptions()
1958 		*optp++ = TCPOPT_PAD;  in tcp_addoptions()