ef39adf007
include ip_options.h into all files making use of IP Options functions. From ip_input.c rev 1.306: ip_dooptions(struct mbuf *m, int pass) save_rte(m, option, dst) ip_srcroute(m0) ip_stripoptions(m, mopt) From ip_output.c rev 1.249: ip_insertoptions(m, opt, phlen) ip_optcopy(ip, jp) ip_pcbopts(struct inpcb *inp, int optname, struct mbuf *m) No functional changes in this commit. Discussed with: rwatson Sponsored by: TCP/IP Optimization Fundraise 2005
75 lines
2.9 KiB
C
75 lines
2.9 KiB
C
/*
|
|
* Copyright (c) 1982, 1986, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
* Copyright (c) 2005
|
|
* Andre Oppermann, Internet Business Solutions AG. All right 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_H_
|
|
#define _NETINET_IP_OPTIONS_H_
|
|
|
|
/*
|
|
* Structure stored in mbuf in inpcb.ip_options
|
|
* and passed to ip_output when ip options are in use.
|
|
* The actual length of the options (including ipopt_dst)
|
|
* is in m_len.
|
|
*/
|
|
#define MAX_IPOPTLEN 40
|
|
|
|
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;
|
|
};
|
|
|
|
struct ipoption {
|
|
struct in_addr ipopt_dst; /* first-hop dst if source routed */
|
|
char ipopt_list[MAX_IPOPTLEN]; /* options proper */
|
|
};
|
|
|
|
extern int ip_doopts; /* process or ignore IP options */
|
|
|
|
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_H_ */
|