diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
new file mode 100644
index 0000000..e97a9ac
--- /dev/null
+++ b/include/net/if_inet6.h
@@ -0,0 +1,285 @@
+/*
+ *	inet6 interface/address list definitions
+ *	Linux INET6 implementation 
+ *
+ *	Authors:
+ *	Pedro Roque		<roque@di.fc.ul.pt>	
+ *
+ *
+ *	This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License
+ *      as published by the Free Software Foundation; either version
+ *      2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _NET_IF_INET6_H
+#define _NET_IF_INET6_H
+
+#include <net/snmp.h>
+#include <linux/ipv6.h>
+
+/* inet6_dev.if_flags */
+
+#define IF_RA_OTHERCONF	0x80
+#define IF_RA_MANAGED	0x40
+#define IF_RA_RCVD	0x20
+#define IF_RS_SENT	0x10
+
+/* prefix flags */
+#define IF_PREFIX_ONLINK	0x01
+#define IF_PREFIX_AUTOCONF	0x02
+
+#ifdef __KERNEL__
+
+struct inet6_ifaddr 
+{
+	struct in6_addr		addr;
+	__u32			prefix_len;
+	
+	__u32			valid_lft;
+	__u32			prefered_lft;
+	unsigned long		cstamp;	/* created timestamp */
+	unsigned long		tstamp; /* updated timestamp */
+	atomic_t		refcnt;
+	spinlock_t		lock;
+
+	__u8			probes;
+	__u8			flags;
+
+	__u16			scope;
+
+	struct timer_list	timer;
+
+	struct inet6_dev	*idev;
+	struct rt6_info		*rt;
+
+	struct inet6_ifaddr	*lst_next;      /* next addr in addr_lst */
+	struct inet6_ifaddr	*if_next;       /* next addr in inet6_dev */
+
+#ifdef CONFIG_IPV6_PRIVACY
+	struct inet6_ifaddr	*tmp_next;	/* next addr in tempaddr_lst */
+	struct inet6_ifaddr	*ifpub;
+	int			regen_count;
+#endif
+
+	int			dead;
+};
+
+struct ip6_sf_socklist
+{
+	unsigned int		sl_max;
+	unsigned int		sl_count;
+	struct in6_addr		sl_addr[0];
+};
+
+#define IP6_SFLSIZE(count)	(sizeof(struct ip6_sf_socklist) + \
+	(count) * sizeof(struct in6_addr))
+
+#define IP6_SFBLOCK	10	/* allocate this many at once */
+
+struct ipv6_mc_socklist
+{
+	struct in6_addr		addr;
+	int			ifindex;
+	struct ipv6_mc_socklist *next;
+	unsigned int		sfmode;		/* MCAST_{INCLUDE,EXCLUDE} */
+	struct ip6_sf_socklist	*sflist;
+};
+
+struct ip6_sf_list
+{
+	struct ip6_sf_list	*sf_next;
+	struct in6_addr		sf_addr;
+	unsigned long		sf_count[2];	/* include/exclude counts */
+	unsigned char		sf_gsresp;	/* include in g & s response? */
+	unsigned char		sf_oldin;	/* change state */
+	unsigned char		sf_crcount;	/* retrans. left to send */
+};
+
+#define MAF_TIMER_RUNNING	0x01
+#define MAF_LAST_REPORTER	0x02
+#define MAF_LOADED		0x04
+#define MAF_NOREPORT		0x08
+#define MAF_GSQUERY		0x10
+
+struct ifmcaddr6
+{
+	struct in6_addr		mca_addr;
+	struct inet6_dev	*idev;
+	struct ifmcaddr6	*next;
+	struct ip6_sf_list	*mca_sources;
+	struct ip6_sf_list	*mca_tomb;
+	unsigned int		mca_sfmode;
+	unsigned long		mca_sfcount[2];
+	struct timer_list	mca_timer;
+	unsigned		mca_flags;
+	int			mca_users;
+	atomic_t		mca_refcnt;
+	spinlock_t		mca_lock;
+	unsigned char		mca_crcount;
+	unsigned long		mca_cstamp;
+	unsigned long		mca_tstamp;
+};
+
+/* Anycast stuff */
+
+struct ipv6_ac_socklist
+{
+	struct in6_addr		acl_addr;
+	int			acl_ifindex;
+	struct ipv6_ac_socklist *acl_next;
+};
+
+struct ifacaddr6
+{
+	struct in6_addr		aca_addr;
+	struct inet6_dev	*aca_idev;
+	struct rt6_info		*aca_rt;
+	struct ifacaddr6	*aca_next;
+	int			aca_users;
+	atomic_t		aca_refcnt;
+	spinlock_t		aca_lock;
+	unsigned long		aca_cstamp;
+	unsigned long		aca_tstamp;
+};
+
+#define	IFA_HOST	IPV6_ADDR_LOOPBACK
+#define	IFA_LINK	IPV6_ADDR_LINKLOCAL
+#define	IFA_SITE	IPV6_ADDR_SITELOCAL
+#define	IFA_GLOBAL	0x0000U
+
+struct ipv6_devstat {
+	struct proc_dir_entry	*proc_dir_entry;
+	DEFINE_SNMP_STAT(struct icmpv6_mib, icmpv6);
+};
+
+struct inet6_dev 
+{
+	struct net_device		*dev;
+
+	struct inet6_ifaddr	*addr_list;
+
+	struct ifmcaddr6	*mc_list;
+	struct ifmcaddr6	*mc_tomb;
+	rwlock_t		mc_lock;
+	unsigned long		mc_v1_seen;
+	unsigned long		mc_maxdelay;
+	unsigned char		mc_qrv;
+	unsigned char		mc_gq_running;
+	unsigned char		mc_ifc_count;
+	struct timer_list	mc_gq_timer;	/* general query timer */
+	struct timer_list	mc_ifc_timer;	/* interface change timer */
+
+	struct ifacaddr6	*ac_list;
+	rwlock_t		lock;
+	atomic_t		refcnt;
+	__u32			if_flags;
+	int			dead;
+
+#ifdef CONFIG_IPV6_PRIVACY
+	u8			rndid[8];
+	u8			entropy[8];
+	struct timer_list	regen_timer;
+	struct inet6_ifaddr	*tempaddr_list;
+	__u8			work_eui64[8];
+	__u8			work_digest[16];
+#endif
+
+	struct neigh_parms	*nd_parms;
+	struct inet6_dev	*next;
+	struct ipv6_devconf	cnf;
+	struct ipv6_devstat	stats;
+	unsigned long		tstamp; /* ipv6InterfaceTable update timestamp */
+};
+
+extern struct ipv6_devconf ipv6_devconf;
+
+static inline void ipv6_eth_mc_map(struct in6_addr *addr, char *buf)
+{
+	/*
+	 *	+-------+-------+-------+-------+-------+-------+
+	 *      |   33  |   33  | DST13 | DST14 | DST15 | DST16 |
+	 *      +-------+-------+-------+-------+-------+-------+
+	 */
+
+	buf[0]= 0x33;
+	buf[1]= 0x33;
+
+	memcpy(buf + 2, &addr->s6_addr32[3], sizeof(__u32));
+}
+
+static inline void ipv6_tr_mc_map(struct in6_addr *addr, char *buf)
+{
+	/* All nodes FF01::1, FF02::1, FF02::1:FFxx:xxxx */
+
+	if (((addr->s6_addr[0] == 0xFF) &&
+	    ((addr->s6_addr[1] == 0x01) || (addr->s6_addr[1] == 0x02)) &&
+	     (addr->s6_addr16[1] == 0) &&
+	     (addr->s6_addr32[1] == 0) &&
+	     (addr->s6_addr32[2] == 0) &&
+	     (addr->s6_addr16[6] == 0) &&
+	     (addr->s6_addr[15] == 1)) ||
+	    ((addr->s6_addr[0] == 0xFF) &&
+	     (addr->s6_addr[1] == 0x02) &&
+	     (addr->s6_addr16[1] == 0) &&
+	     (addr->s6_addr32[1] == 0) &&
+	     (addr->s6_addr16[4] == 0) &&
+	     (addr->s6_addr[10] == 0) &&
+	     (addr->s6_addr[11] == 1) &&
+	     (addr->s6_addr[12] == 0xff)))
+	{
+		buf[0]=0xC0;
+		buf[1]=0x00;
+		buf[2]=0x01;
+		buf[3]=0x00;
+		buf[4]=0x00;
+		buf[5]=0x00;
+	/* All routers FF0x::2 */
+	} else if ((addr->s6_addr[0] ==0xff) &&
+		((addr->s6_addr[1] & 0xF0) == 0) &&
+		(addr->s6_addr16[1] == 0) &&
+		(addr->s6_addr32[1] == 0) &&
+		(addr->s6_addr32[2] == 0) &&
+		(addr->s6_addr16[6] == 0) &&
+		(addr->s6_addr[15] == 2))
+	{
+		buf[0]=0xC0;
+		buf[1]=0x00;
+		buf[2]=0x02;
+		buf[3]=0x00;
+		buf[4]=0x00;
+		buf[5]=0x00;
+	} else {
+		unsigned char i ; 
+		
+		i = addr->s6_addr[15] & 7 ; 
+		buf[0]=0xC0;
+		buf[1]=0x00;
+		buf[2]=0x00;
+		buf[3]=0x01 << i ; 
+		buf[4]=0x00;
+		buf[5]=0x00;
+	}
+}
+
+static inline void ipv6_arcnet_mc_map(const struct in6_addr *addr, char *buf)
+{
+	buf[0] = 0x00;
+}
+
+static inline void ipv6_ib_mc_map(struct in6_addr *addr, char *buf)
+{
+	buf[0]  = 0;		/* Reserved */
+	buf[1]  = 0xff;		/* Multicast QPN */
+	buf[2]  = 0xff;
+	buf[3]  = 0xff;
+	buf[4]  = 0xff;
+	buf[5]  = 0x12;		/* link local scope */
+	buf[6]  = 0x60;		/* IPv6 signature */
+	buf[7]  = 0x1b;
+	buf[8]  = 0;		/* P_Key */
+	buf[9]  = 0;
+	memcpy(buf + 10, addr->s6_addr + 6, 10);
+}
+#endif
+#endif