inet/ip/ip.c

2328 	uint32_t totallen; /* total length of all options */
2330 	totallen = ipha->ipha_version_and_hdr_length -
2332 	totallen <<= 2;
2334 	optp->ipoptp_end = optp->ipoptp_next + totallen;
2341 ipoptp_first2(ipoptp_t *optp, uint32_t totallen, uint8_t *opt)
2344 	optp->ipoptp_end = optp->ipoptp_next + totallen;
2475 	uint32_t	totallen;
2482 	totallen = ipp->ipp_ipv4_options_len;
2483 	if (totallen & 0x3)
2492 	for (optval = ipoptp_first2(&opts, totallen, ipp->ipp_ipv4_options);
5455 	uint32_t	totallen;
5467 	totallen = ipha->ipha_version_and_hdr_length -
5470 	if (totallen == 0) {
5491 	totallen <<= 2;
5497 			if (totallen != 0) {
5499 				ipp->ipp_ipv4_options_len = totallen;
5506 			if (totallen == ipp->ipp_ipv4_options_len) {
5507 				bcopy(opt, ipp->ipp_ipv4_options, totallen);
5516 		if (totallen == 0)
5519 		ipp->ipp_ipv4_options = kmem_alloc(totallen, KM_NOSLEEP);
5522 		ipp->ipp_ipv4_options_len = totallen;
5524 		bcopy(opt, ipp->ipp_ipv4_options, totallen);
5541 	while (totallen != 0) {
5549 			if (totallen <= IPOPT_OLEN)
5555 		if (optlen > totallen)
5573 			totallen -= optlen;
5577 			while ((totallen & 3) != 0 && opt[0] == IPOPT_NOP) {
5578 				totallen--;
5584 		totallen -= optlen;
5588 	totallen = ipha->ipha_version_and_hdr_length -
5590 	totallen <<= 2;
14955 	uint32_t	totallen;
14960 	totallen = ipp->ipp_ipv4_options_len;
14961 	if (totallen & 0x3)
14964 	for (optval = ipoptp_first2(&opts, totallen, ipp->ipp_ipv4_options);
15005 	uint32_t	totallen;
15010 	totallen = ipp->ipp_ipv4_options_len;
15011 	if (totallen & 0x3)
15014 	for (optval = ipoptp_first2(&opts, totallen, ipp->ipp_ipv4_options);