diff options
Diffstat (limited to 'freebsd/sys/netinet/ip_options.h')
| -rw-r--r-- | freebsd/sys/netinet/ip_options.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/freebsd/sys/netinet/ip_options.h b/freebsd/sys/netinet/ip_options.h new file mode 100644 index 00000000..9c08004d --- /dev/null +++ b/freebsd/sys/netinet/ip_options.h @@ -0,0 +1,60 @@ +/* + * Copyright (c) 1982, 1986, 1993 + * The Regents of the University of California. + * Copyright (c) 2005 Andre Oppermann, Internet Business Solutions AG. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _NETINET_IP_OPTIONS_HH_ +#define _NETINET_IP_OPTIONS_HH_ + +struct ipoptrt { + struct in_addr dst; /* final destination */ + char nop; /* one NOP to align */ + char srcopt[IPOPT_OFFSET + 1]; /* OPTVAL, OLEN and OFFSET */ + struct in_addr route[MAX_IPOPTLEN/sizeof(struct in_addr)]; +}; + +struct ipopt_tag { + struct m_tag tag; /* m_tag */ + int ip_nhops; + struct ipoptrt ip_srcrt; +}; + +extern int ip_doopts; /* process or ignore IP options */ + +int ip_checkrouteralert(struct mbuf *); +int ip_dooptions(struct mbuf *, int); +struct mbuf *ip_insertoptions(struct mbuf *, struct mbuf *, int *); +int ip_optcopy(struct ip *, struct ip *); +int ip_pcbopts(struct inpcb *, int, struct mbuf *); +void ip_stripoptions(struct mbuf *, struct mbuf *); +struct mbuf *ip_srcroute(struct mbuf *); + +#endif /* !_NETINET_IP_OPTIONS_HH_ */ |