michael@0: /*-
michael@0:  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
michael@0:  * All rights reserved.
michael@0:  *
michael@0:  * Redistribution and use in source and binary forms, with or without
michael@0:  * modification, are permitted provided that the following conditions
michael@0:  * are met:
michael@0:  * 1. Redistributions of source code must retain the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer.
michael@0:  * 2. Redistributions in binary form must reproduce the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer in the
michael@0:  *    documentation and/or other materials provided with the distribution.
michael@0:  * 3. Neither the name of the project nor the names of its contributors
michael@0:  *    may be used to endorse or promote products derived from this software
michael@0:  *    without specific prior written permission.
michael@0:  *
michael@0:  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
michael@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
michael@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
michael@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
michael@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
michael@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
michael@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
michael@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
michael@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
michael@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
michael@0:  * SUCH DAMAGE.
michael@0:  *
michael@0:  */
michael@0: /*-
michael@0:  * Copyright (c) 1982, 1986, 1993
michael@0:  *      The Regents of the University of California.  All rights reserved.
michael@0:  *
michael@0:  * Redistribution and use in source and binary forms, with or without
michael@0:  * modification, are permitted provided that the following conditions
michael@0:  * are met:
michael@0:  * 1. Redistributions of source code must retain the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer.
michael@0:  * 2. Redistributions in binary form must reproduce the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer in the
michael@0:  *    documentation and/or other materials provided with the distribution.
michael@0:  * 4. Neither the name of the University nor the names of its contributors
michael@0:  *    may be used to endorse or promote products derived from this software
michael@0:  *    without specific prior written permission.
michael@0:  *
michael@0:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
michael@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
michael@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
michael@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
michael@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
michael@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
michael@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
michael@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
michael@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
michael@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
michael@0:  * SUCH DAMAGE.
michael@0:  *
michael@0:  */
michael@0: 
michael@0: #ifndef _USER_IP6_VAR_H_
michael@0: #define _USER_IP6_VAR_H_
michael@0: 
michael@0: #if defined(__Userspace_os_Windows)
michael@0: struct ip6_hdr {
michael@0: 	union {
michael@0: 		struct ip6_hdrctl {
michael@0: 			u_int32_t ip6_un1_flow;	/* 20 bits of flow-ID */
michael@0: 			u_int16_t ip6_un1_plen;	/* payload length */
michael@0: 			u_int8_t  ip6_un1_nxt;	/* next header */
michael@0: 			u_int8_t  ip6_un1_hlim;	/* hop limit */
michael@0: 		} ip6_un1;
michael@0: 		u_int8_t ip6_un2_vfc;	/* 4 bits version, top 4 bits class */
michael@0: 	} ip6_ctlun;
michael@0: 	struct in6_addr ip6_src;	/* source address */
michael@0: 	struct in6_addr ip6_dst;	/* destination address */
michael@0: };
michael@0: #define ip6_vfc		ip6_ctlun.ip6_un2_vfc
michael@0: #define ip6_flow	ip6_ctlun.ip6_un1.ip6_un1_flow
michael@0: #define ip6_plen	ip6_ctlun.ip6_un1.ip6_un1_plen
michael@0: #define ip6_nxt		ip6_ctlun.ip6_un1.ip6_un1_nxt
michael@0: #define ip6_hlim	ip6_ctlun.ip6_un1.ip6_un1_hlim
michael@0: #define ip6_hops	ip6_ctlun.ip6_un1.ip6_un1_hlim
michael@0: 
michael@0: #define IPV6_VERSION		0x60
michael@0: #endif
michael@0: 
michael@0: #if defined(__Userspace_os_Windows)
michael@0: #define s6_addr16 u.Word
michael@0: #endif
michael@0: #if !defined(__Userspace_os_Windows)
michael@0: #if !defined(__Userspace_os_Linux)
michael@0: #define s6_addr8  __u6_addr.__u6_addr8
michael@0: #define s6_addr16 __u6_addr.__u6_addr16
michael@0: #define s6_addr32 __u6_addr.__u6_addr32
michael@0: #endif
michael@0: #endif
michael@0: 
michael@0: #if !defined(__Userspace_os_FreeBSD) && !defined(__Userspace_os_OpenBSD) && !defined(__Userspace_os_DragonFly)
michael@0: struct route_in6 {
michael@0: 	struct	rtentry *ro_rt;
michael@0: 	struct	llentry *ro_lle;
michael@0: 	struct	in6_addr *ro_ia6;
michael@0: 	int		ro_flags;
michael@0: 	struct	sockaddr_in6 ro_dst;
michael@0: };
michael@0: #endif
michael@0: #define IP6_EXTHDR_GET(val, typ, m, off, len) \
michael@0: do {									\
michael@0: 	struct mbuf *t;							\
michael@0: 	int tmp;							\
michael@0: 	if ((m)->m_len >= (off) + (len))				\
michael@0: 		(val) = (typ)(mtod((m), caddr_t) + (off));		\
michael@0: 	else {								\
michael@0: 		t = m_pulldown((m), (off), (len), &tmp);		\
michael@0: 		if (t) {						\
michael@0: 			KASSERT(t->m_len >= tmp + (len),		\
michael@0: 			        ("m_pulldown malfunction"));		\
michael@0: 			(val) = (typ)(mtod(t, caddr_t) + tmp);		\
michael@0: 		} else {						\
michael@0: 			(val) = (typ)NULL;				\
michael@0: 			(m) = NULL;					\
michael@0: 		}							\
michael@0: 	}								\
michael@0: } while (0)
michael@0: 
michael@0: #endif /* !_USER_IP6_VAR_H_ */