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freebsd/sys/netinet6/ip6protosw.h
Kevin Lo 8f5a8818f5 Merge 'struct ip6protosw' and 'struct protosw' into one. Now we have
only one protocol switch structure that is shared between ipv4 and ipv6.

Phabric:	D476
Reviewed by:	jhb
2014-08-08 01:57:15 +00:00

118 lines
4.8 KiB
C

/*-
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
* 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.
* 3. Neither the name of the project 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 PROJECT 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 PROJECT 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.
*
* $KAME: ip6protosw.h,v 1.25 2001/09/26 06:13:03 keiichi Exp $
*/
/*-
* Copyright (c) 1982, 1986, 1993
* The Regents of the University of California. 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.
*
* @(#)protosw.h 8.1 (Berkeley) 6/2/93
* BSDI protosw.h,v 2.3 1996/10/11 16:02:40 pjd Exp
* $FreeBSD$
*/
#ifndef _NETINET6_IP6PROTOSW_H_
#define _NETINET6_IP6PROTOSW_H_
/*
* Protocol switch table for IPv6.
* All other definitions should refer to sys/protosw.h
*/
struct mbuf;
struct sockaddr;
struct socket;
struct domain;
struct thread;
struct ip6_hdr;
struct icmp6_hdr;
struct in6_addr;
struct pr_usrreqs;
/*
* argument type for the last arg of pr_ctlinput().
* should be consulted only with AF_INET6 family.
*
* IPv6 ICMP IPv6 [exthdrs] finalhdr payload
* ^ ^ ^ ^
* | | ip6c_ip6 ip6c_off
* | ip6c_icmp6
* ip6c_m
*
* ip6c_finaldst usually points to ip6c_ip6->ip6_dst. if the original
* (internal) packet carries a routing header, it may point the final
* dstination address in the routing header.
*
* ip6c_src: ip6c_ip6->ip6_src + scope info + flowlabel in ip6c_ip6
* (beware of flowlabel, if you try to compare it against others)
* ip6c_dst: ip6c_finaldst + scope info
*/
struct ip6ctlparam {
struct mbuf *ip6c_m; /* start of mbuf chain */
struct icmp6_hdr *ip6c_icmp6; /* icmp6 header of target packet */
struct ip6_hdr *ip6c_ip6; /* ip6 header of target packet */
int ip6c_off; /* offset of the target proto header */
struct sockaddr_in6 *ip6c_src; /* srcaddr w/ additional info */
struct sockaddr_in6 *ip6c_dst; /* (final) dstaddr w/ additional info */
struct in6_addr *ip6c_finaldst; /* final destination address */
void *ip6c_cmdarg; /* control command dependent data */
u_int8_t ip6c_nxt; /* final next header field */
};
#ifdef _KERNEL
extern struct protosw inet6sw[];
#endif
#endif /* !_NETINET6_IP6PROTOSW_H_ */