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Lines Matching defs:optlen

1013 	unsigned optlen;
1015 	optlen = opt->m_len - sizeof(p->ipopt_dst);
1016 	KASSERT(optlen % 4 == 0);
1017 	if (optlen + ntohs(ip->ip_len) > IP_MAXPACKET)
1021 	if (M_READONLY(m) || M_LEADINGSPACE(m) < optlen) {
1030 		n->m_len = optlen + sizeof(struct ip);
1035 		m->m_data -= optlen;
1036 		m->m_len += optlen;
1039 	m->m_pkthdr.len += optlen;
1041 	memcpy(ip + 1, p->ipopt_list, optlen);
1042 	*phlen = sizeof(struct ip) + optlen;
1043 	ip->ip_len = htons(ntohs(ip->ip_len) + optlen);
1055 	int opt, optlen, cnt;
1060 	for (; cnt > 0; cnt -= optlen, cp += optlen) {
1067 			optlen = 1;
1072 		optlen = cp[IPOPT_OLEN];
1073 		KASSERT(optlen >= IPOPT_OLEN + sizeof(*cp) && optlen < cnt);
1076 		if (optlen > cnt)
1077 			optlen = cnt;
1079 			bcopy((void *)cp, (void *)dp, (unsigned)optlen);
1080 			dp += optlen;
1084 	for (optlen = dp - (u_char *)(ipdst+1); optlen & 0x3; optlen++) {
1088 	return optlen;