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#ifndef __LINUX_DECNET_NETFILTER_H
#define __LINUX_DECNET_NETFILTER_H

/* DECnet-specific defines for netfilter.
 * This file (C) Steve Whitehouse 1999 derived from the
 * ipv4 netfilter header file which is
 * (C)1998 Rusty Russell -- This code is GPL.
 */

#include <linux/netfilter.h>

/* IP Cache bits. */
/* Src IP address. */
#define NFC_DN_SRC              0x0001
/* Dest IP address. */
#define NFC_DN_DST              0x0002
/* Input device. */
#define NFC_DN_IF_IN            0x0004
/* Output device. */
#define NFC_DN_IF_OUT           0x0008

/* DECnet Hooks */
/* After promisc drops, checksum checks. */
#define NF_DN_PRE_ROUTING       0
/* If the packet is destined for this box. */
#define NF_DN_LOCAL_IN          1
/* If the packet is destined for another interface. */
#define NF_DN_FORWARD           2
/* Packets coming from a local process. */
#define NF_DN_LOCAL_OUT         3
/* Packets about to hit the wire. */
#define NF_DN_POST_ROUTING      4
/* Input Hello Packets */
#define NF_DN_HELLO             5
/* Input Routing Packets */
#define NF_DN_ROUTE             6
#define NF_DN_NUMHOOKS          7

enum nf_dn_hook_priorities {
        NF_DN_PRI_FIRST = INT_MIN,
        NF_DN_PRI_CONNTRACK = -200,
        NF_DN_PRI_MANGLE = -150,
        NF_DN_PRI_NAT_DST = -100,
        NF_DN_PRI_FILTER = 0,
        NF_DN_PRI_NAT_SRC = 100,
        NF_DN_PRI_DNRTMSG = 200,
        NF_DN_PRI_LAST = INT_MAX,
};

struct nf_dn_rtmsg {
        int nfdn_ifindex;
};

#define NFDN_RTMSG(r) ((unsigned char *)(r) + NLMSG_ALIGN(sizeof(struct nf_dn_rtmsg)))

#define DNRMG_L1_GROUP 0x01
#define DNRMG_L2_GROUP 0x02

#endif /*__LINUX_DECNET_NETFILTER_H*/