Move files to match FreeBSD layout

1 files changed, 444 insertions, 0 deletions

diff --git a/freebsd/sys/netinet6/ip6_var.h b/freebsd/sys/netinet6/ip6_var.h
new file mode 100644
index 00000000..50d8adcb
--- /dev/null
+++ b/freebsd/sys/netinet6/ip6_var.h
@@ -0,0 +1,444 @@
+/*-
+ * 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: ip6_var.h,v 1.62 2001/05/03 14:51:48 itojun 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.
+ *
+ *	@(#)ip_var.h	8.1 (Berkeley) 6/10/93
+ * $FreeBSD$
+ */
+
+#ifndef _NETINET6_IP6_VAR_HH_
+#define _NETINET6_IP6_VAR_HH_
+
+/*
+ * IP6 reassembly queue structure.  Each fragment
+ * being reassembled is attached to one of these structures.
+ */
+struct	ip6q {
+	struct ip6asfrag *ip6q_down;
+	struct ip6asfrag *ip6q_up;
+	u_int32_t	ip6q_ident;
+	u_int8_t	ip6q_nxt;
+	u_int8_t	ip6q_ecn;
+	u_int8_t	ip6q_ttl;
+	struct in6_addr ip6q_src, ip6q_dst;
+	struct ip6q	*ip6q_next;
+	struct ip6q	*ip6q_prev;
+	int		ip6q_unfrglen;	/* len of unfragmentable part */
+#ifdef notyet
+	u_char		*ip6q_nxtp;
+#endif
+	int		ip6q_nfrag;	/* # of fragments */
+	struct label	*ip6q_label;
+};
+
+struct	ip6asfrag {
+	struct ip6asfrag *ip6af_down;
+	struct ip6asfrag *ip6af_up;
+	struct mbuf	*ip6af_m;
+	int		ip6af_offset;	/* offset in ip6af_m to next header */
+	int		ip6af_frglen;	/* fragmentable part length */
+	int		ip6af_off;	/* fragment offset */
+	u_int16_t	ip6af_mff;	/* more fragment bit in frag off */
+};
+
+#define IP6_REASS_MBUF(ip6af) (*(struct mbuf **)&((ip6af)->ip6af_m))
+
+/*
+ * Structure attached to inpcb.in6p_moptions and
+ * passed to ip6_output when IPv6 multicast options are in use.
+ * This structure is lazy-allocated.
+ */
+struct ip6_moptions {
+	struct	ifnet *im6o_multicast_ifp; /* ifp for outgoing multicasts */
+	u_char	im6o_multicast_hlim;	/* hoplimit for outgoing multicasts */
+	u_char	im6o_multicast_loop;	/* 1 >= hear sends if a member */
+	u_short	im6o_num_memberships;	/* no. memberships this socket */
+	u_short	im6o_max_memberships;	/* max memberships this socket */
+	struct	in6_multi **im6o_membership;	/* group memberships */
+	struct	in6_mfilter *im6o_mfilters;	/* source filters */
+};
+
+/*
+ * Control options for outgoing packets
+ */
+
+/* Routing header related info */
+struct	ip6po_rhinfo {
+	struct	ip6_rthdr *ip6po_rhi_rthdr; /* Routing header */
+	struct	route_in6 ip6po_rhi_route; /* Route to the 1st hop */
+};
+#define ip6po_rthdr	ip6po_rhinfo.ip6po_rhi_rthdr
+#define ip6po_route	ip6po_rhinfo.ip6po_rhi_route
+
+/* Nexthop related info */
+struct	ip6po_nhinfo {
+	struct	sockaddr *ip6po_nhi_nexthop;
+	struct	route_in6 ip6po_nhi_route; /* Route to the nexthop */
+};
+#define ip6po_nexthop	ip6po_nhinfo.ip6po_nhi_nexthop
+#define ip6po_nextroute	ip6po_nhinfo.ip6po_nhi_route
+
+struct	ip6_pktopts {
+	struct	mbuf *ip6po_m;	/* Pointer to mbuf storing the data */
+	int	ip6po_hlim;	/* Hoplimit for outgoing packets */
+
+	/* Outgoing IF/address information */
+	struct	in6_pktinfo *ip6po_pktinfo;
+
+	/* Next-hop address information */
+	struct	ip6po_nhinfo ip6po_nhinfo;
+
+	struct	ip6_hbh *ip6po_hbh; /* Hop-by-Hop options header */
+
+	/* Destination options header (before a routing header) */
+	struct	ip6_dest *ip6po_dest1;
+
+	/* Routing header related info. */
+	struct	ip6po_rhinfo ip6po_rhinfo;
+
+	/* Destination options header (after a routing header) */
+	struct	ip6_dest *ip6po_dest2;
+
+	int	ip6po_tclass;	/* traffic class */
+
+	int	ip6po_minmtu;  /* fragment vs PMTU discovery policy */
+#define IP6PO_MINMTU_MCASTONLY	-1 /* default; send at min MTU for multicast*/
+#define IP6PO_MINMTU_DISABLE	 0 /* always perform pmtu disc */
+#define IP6PO_MINMTU_ALL	 1 /* always send at min MTU */
+
+	int	ip6po_prefer_tempaddr;  /* whether temporary addresses are
+					   preferred as source address */
+#define IP6PO_TEMPADDR_SYSTEM	-1 /* follow the system default */
+#define IP6PO_TEMPADDR_NOTPREFER 0 /* not prefer temporary address */
+#define IP6PO_TEMPADDR_PREFER	 1 /* prefer temporary address */
+
+	int ip6po_flags;
+#if 0	/* parameters in this block is obsolete. do not reuse the values. */
+#define IP6PO_REACHCONF	0x01	/* upper-layer reachability confirmation. */
+#define IP6PO_MINMTU	0x02	/* use minimum MTU (IPV6_USE_MIN_MTU) */
+#endif
+#define IP6PO_DONTFRAG	0x04	/* disable fragmentation (IPV6_DONTFRAG) */
+#define IP6PO_USECOA	0x08	/* use care of address */
+};
+
+/*
+ * Control options for incoming packets
+ */
+
+struct	ip6stat {
+	u_quad_t ip6s_total;		/* total packets received */
+	u_quad_t ip6s_tooshort;		/* packet too short */
+	u_quad_t ip6s_toosmall;		/* not enough data */
+	u_quad_t ip6s_fragments;	/* fragments received */
+	u_quad_t ip6s_fragdropped;	/* frags dropped(dups, out of space) */
+	u_quad_t ip6s_fragtimeout;	/* fragments timed out */
+	u_quad_t ip6s_fragoverflow;	/* fragments that exceeded limit */
+	u_quad_t ip6s_forward;		/* packets forwarded */
+	u_quad_t ip6s_cantforward;	/* packets rcvd for unreachable dest */
+	u_quad_t ip6s_redirectsent;	/* packets forwarded on same net */
+	u_quad_t ip6s_delivered;	/* datagrams delivered to upper level*/
+	u_quad_t ip6s_localout;		/* total ip packets generated here */
+	u_quad_t ip6s_odropped;		/* lost packets due to nobufs, etc. */
+	u_quad_t ip6s_reassembled;	/* total packets reassembled ok */
+	u_quad_t ip6s_fragmented;	/* datagrams successfully fragmented */
+	u_quad_t ip6s_ofragments;	/* output fragments created */
+	u_quad_t ip6s_cantfrag;		/* don't fragment flag was set, etc. */
+	u_quad_t ip6s_badoptions;	/* error in option processing */
+	u_quad_t ip6s_noroute;		/* packets discarded due to no route */
+	u_quad_t ip6s_badvers;		/* ip6 version != 6 */
+	u_quad_t ip6s_rawout;		/* total raw ip packets generated */
+	u_quad_t ip6s_badscope;		/* scope error */
+	u_quad_t ip6s_notmember;	/* don't join this multicast group */
+	u_quad_t ip6s_nxthist[256];	/* next header history */
+	u_quad_t ip6s_m1;		/* one mbuf */
+	u_quad_t ip6s_m2m[32];		/* two or more mbuf */
+	u_quad_t ip6s_mext1;		/* one ext mbuf */
+	u_quad_t ip6s_mext2m;		/* two or more ext mbuf */
+	u_quad_t ip6s_exthdrtoolong;	/* ext hdr are not continuous */
+	u_quad_t ip6s_nogif;		/* no match gif found */
+	u_quad_t ip6s_toomanyhdr;	/* discarded due to too many headers */
+
+	/*
+	 * statistics for improvement of the source address selection
+	 * algorithm:
+	 * XXX: hardcoded 16 = # of ip6 multicast scope types + 1
+	 */
+	/* number of times that address selection fails */
+	u_quad_t ip6s_sources_none;
+	/* number of times that an address on the outgoing I/F is chosen */
+	u_quad_t ip6s_sources_sameif[16];
+	/* number of times that an address on a non-outgoing I/F is chosen */
+	u_quad_t ip6s_sources_otherif[16];
+	/*
+	 * number of times that an address that has the same scope
+	 * from the destination is chosen.
+	 */
+	u_quad_t ip6s_sources_samescope[16];
+	/*
+	 * number of times that an address that has a different scope
+	 * from the destination is chosen.
+	 */
+	u_quad_t ip6s_sources_otherscope[16];
+	/* number of times that a deprecated address is chosen */
+	u_quad_t ip6s_sources_deprecated[16];
+
+	/* number of times that each rule of source selection is applied. */
+	u_quad_t ip6s_sources_rule[16];
+};
+
+#ifdef _KERNEL
+#define	IP6STAT_ADD(name, val)	V_ip6stat.name += (val)
+#define	IP6STAT_SUB(name, val)	V_ip6stat.name -= (val)
+#define	IP6STAT_INC(name)	IP6STAT_ADD(name, 1)
+#define	IP6STAT_DEC(name)	IP6STAT_SUB(name, 1)
+#endif
+
+#ifdef _KERNEL
+/*
+ * IPv6 onion peeling state.
+ * it will be initialized when we come into ip6_input().
+ * XXX do not make it a kitchen sink!
+ */
+struct ip6aux {
+	u_int32_t ip6a_flags;
+#define IP6A_SWAP	0x01		/* swapped home/care-of on packet */
+#define IP6A_HASEEN	0x02		/* HA was present */
+#define IP6A_BRUID	0x04		/* BR Unique Identifier was present */
+#define IP6A_RTALERTSEEN 0x08		/* rtalert present */
+
+	/* ip6.ip6_src */
+	struct in6_addr ip6a_careof;	/* care-of address of the peer */
+	struct in6_addr ip6a_home;	/* home address of the peer */
+	u_int16_t	ip6a_bruid;	/* BR unique identifier */
+
+	/* ip6.ip6_dst */
+	struct in6_ifaddr *ip6a_dstia6;	/* my ifaddr that matches ip6_dst */
+
+	/* rtalert */
+	u_int16_t ip6a_rtalert;		/* rtalert option value */
+
+	/*
+	 * decapsulation history will be here.
+	 * with IPsec it may not be accurate.
+	 */
+};
+#endif
+
+#ifdef _KERNEL
+/* flags passed to ip6_output as last parameter */
+#define	IPV6_UNSPECSRC		0x01	/* allow :: as the source address */
+#define	IPV6_FORWARDING		0x02	/* most of IPv6 header exists */
+#define	IPV6_MINMTU		0x04	/* use minimum MTU (IPV6_USE_MIN_MTU) */
+
+#ifdef __NO_STRICT_ALIGNMENT
+#define IP6_HDR_ALIGNED_P(ip)	1
+#else
+#define IP6_HDR_ALIGNED_P(ip)	((((intptr_t) (ip)) & 3) == 0)
+#endif
+
+VNET_DECLARE(struct ip6stat, ip6stat);	/* statistics */
+VNET_DECLARE(int, ip6_defhlim);		/* default hop limit */
+VNET_DECLARE(int, ip6_defmcasthlim);	/* default multicast hop limit */
+VNET_DECLARE(int, ip6_forwarding);	/* act as router? */
+VNET_DECLARE(int, ip6_use_deprecated);	/* allow deprecated addr as source */
+VNET_DECLARE(int, ip6_rr_prune);	/* router renumbering prefix
+					 * walk list every 5 sec.    */
+VNET_DECLARE(int, ip6_mcast_pmtu);	/* enable pMTU discovery for multicast? */
+VNET_DECLARE(int, ip6_v6only);
+#define	V_ip6stat			VNET(ip6stat)
+#define	V_ip6_defhlim			VNET(ip6_defhlim)
+#define	V_ip6_defmcasthlim		VNET(ip6_defmcasthlim)
+#define	V_ip6_forwarding		VNET(ip6_forwarding)
+#define	V_ip6_use_deprecated		VNET(ip6_use_deprecated)
+#define	V_ip6_rr_prune			VNET(ip6_rr_prune)
+#define	V_ip6_mcast_pmtu		VNET(ip6_mcast_pmtu)
+#define	V_ip6_v6only			VNET(ip6_v6only)
+
+VNET_DECLARE(struct socket *, ip6_mrouter);	/* multicast routing daemon */
+VNET_DECLARE(int, ip6_sendredirects);	/* send IP redirects when forwarding? */
+VNET_DECLARE(int, ip6_maxfragpackets);	/* Maximum packets in reassembly
+					 * queue */
+VNET_DECLARE(int, ip6_maxfrags);	/* Maximum fragments in reassembly
+					 * queue */
+VNET_DECLARE(int, ip6_accept_rtadv);	/* Acts as a host not a router */
+VNET_DECLARE(int, ip6_keepfaith);	/* Firewall Aided Internet Translator */
+VNET_DECLARE(int, ip6_log_interval);
+VNET_DECLARE(time_t, ip6_log_time);
+VNET_DECLARE(int, ip6_hdrnestlimit);	/* upper limit of # of extension
+					 * headers */
+VNET_DECLARE(int, ip6_dad_count);	/* DupAddrDetectionTransmits */
+#define	V_ip6_mrouter			VNET(ip6_mrouter)
+#define	V_ip6_sendredirects		VNET(ip6_sendredirects)
+#define	V_ip6_maxfragpackets		VNET(ip6_maxfragpackets)
+#define	V_ip6_maxfrags			VNET(ip6_maxfrags)
+#define	V_ip6_accept_rtadv		VNET(ip6_accept_rtadv)
+#define	V_ip6_keepfaith			VNET(ip6_keepfaith)
+#define	V_ip6_log_interval		VNET(ip6_log_interval)
+#define	V_ip6_log_time			VNET(ip6_log_time)
+#define	V_ip6_hdrnestlimit		VNET(ip6_hdrnestlimit)
+#define	V_ip6_dad_count			VNET(ip6_dad_count)
+
+VNET_DECLARE(int, ip6_auto_flowlabel);
+VNET_DECLARE(int, ip6_auto_linklocal);
+#define	V_ip6_auto_flowlabel		VNET(ip6_auto_flowlabel)
+#define	V_ip6_auto_linklocal		VNET(ip6_auto_linklocal)
+
+VNET_DECLARE(int, ip6_use_tempaddr);	/* Whether to use temporary addresses */
+VNET_DECLARE(int, ip6_prefer_tempaddr);	/* Whether to prefer temporary
+					 * addresses in the source address
+					 * selection */
+#define	V_ip6_use_tempaddr		VNET(ip6_use_tempaddr)
+#define	V_ip6_prefer_tempaddr		VNET(ip6_prefer_tempaddr)
+
+VNET_DECLARE(int, ip6_use_defzone);	/* Whether to use the default scope
+					 * zone when unspecified */
+#define	V_ip6_use_defzone		VNET(ip6_use_defzone)
+
+VNET_DECLARE (struct pfil_head, inet6_pfil_hook);	/* packet filter hooks */
+#define	V_inet6_pfil_hook	VNET(inet6_pfil_hook)
+#ifdef IPSTEALTH
+VNET_DECLARE(int, ip6stealth);
+#define	V_ip6stealth			VNET(ip6stealth)
+#endif
+
+extern struct	pr_usrreqs rip6_usrreqs;
+struct sockopt;
+
+struct inpcb;
+
+int	icmp6_ctloutput __P((struct socket *, struct sockopt *sopt));
+
+struct in6_ifaddr;
+void	ip6_init __P((void));
+#ifdef VIMAGE
+void	ip6_destroy __P((void));
+#endif
+int	ip6proto_register(short);
+int	ip6proto_unregister(short);
+
+void	ip6_input __P((struct mbuf *));
+struct in6_ifaddr *ip6_getdstifaddr __P((struct mbuf *));
+void	ip6_freepcbopts __P((struct ip6_pktopts *));
+
+int	ip6_unknown_opt __P((u_int8_t *, struct mbuf *, int));
+char *	ip6_get_prevhdr __P((struct mbuf *, int));
+int	ip6_nexthdr __P((struct mbuf *, int, int, int *));
+int	ip6_lasthdr __P((struct mbuf *, int, int, int *));
+
+struct ip6aux *ip6_addaux __P((struct mbuf *));
+struct ip6aux *ip6_findaux __P((struct mbuf *));
+void	ip6_delaux __P((struct mbuf *));
+
+extern int	(*ip6_mforward)(struct ip6_hdr *, struct ifnet *,
+    struct mbuf *);
+
+int	ip6_process_hopopts __P((struct mbuf *, u_int8_t *, int, u_int32_t *,
+				 u_int32_t *));
+struct mbuf	**ip6_savecontrol_v4(struct inpcb *, struct mbuf *,
+	    struct mbuf **, int *);
+void	ip6_savecontrol __P((struct inpcb *, struct mbuf *, struct mbuf **));
+void	ip6_notify_pmtu __P((struct inpcb *, struct sockaddr_in6 *,
+			     u_int32_t *));
+int	ip6_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
+
+void	ip6_forward __P((struct mbuf *, int));
+
+void	ip6_mloopback __P((struct ifnet *, struct mbuf *, struct sockaddr_in6 *));
+int	ip6_output __P((struct mbuf *, struct ip6_pktopts *,
+			struct route_in6 *,
+			int,
+			struct ip6_moptions *, struct ifnet **,
+			struct inpcb *));
+int	ip6_ctloutput __P((struct socket *, struct sockopt *));
+int	ip6_raw_ctloutput __P((struct socket *, struct sockopt *));
+void	ip6_initpktopts __P((struct ip6_pktopts *));
+int	ip6_setpktopts __P((struct mbuf *, struct ip6_pktopts *,
+	struct ip6_pktopts *, struct ucred *, int));
+void	ip6_clearpktopts __P((struct ip6_pktopts *, int));
+struct ip6_pktopts *ip6_copypktopts __P((struct ip6_pktopts *, int));
+int	ip6_optlen __P((struct inpcb *));
+
+int	route6_input __P((struct mbuf **, int *, int));
+
+void	frag6_init __P((void));
+int	frag6_input __P((struct mbuf **, int *, int));
+void	frag6_slowtimo __P((void));
+void	frag6_drain __P((void));
+
+void	rip6_init __P((void));
+int	rip6_input __P((struct mbuf **, int *, int));
+void	rip6_ctlinput __P((int, struct sockaddr *, void *));
+int	rip6_ctloutput __P((struct socket *, struct sockopt *));
+int	rip6_output __P((struct mbuf *, ...));
+int	rip6_usrreq __P((struct socket *,
+	    int, struct mbuf *, struct mbuf *, struct mbuf *, struct thread *));
+
+int	dest6_input __P((struct mbuf **, int *, int));
+int	none_input __P((struct mbuf **, int *, int));
+
+int	in6_selectsrc(struct sockaddr_in6 *, struct ip6_pktopts *,
+	struct inpcb *inp, struct route_in6 *, struct ucred *cred,
+	struct ifnet **, struct in6_addr *);
+int in6_selectroute __P((struct sockaddr_in6 *, struct ip6_pktopts *,
+	struct ip6_moptions *, struct route_in6 *, struct ifnet **,
+	struct rtentry **));
+u_int32_t ip6_randomid __P((void));
+u_int32_t ip6_randomflowlabel __P((void));
+#endif /* _KERNEL */
+
+#endif /* !_NETINET6_IP6_VAR_HH_ */