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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>

/* only for userspace compatibility */

#include <limits.h> /* for INT_MIN, INT_MAX */

/* 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)))

/* backwards compatibility for userspace */

#define DNRMG_L1_GROUP 0x01

#define DNRMG_L2_GROUP 0x02

enum {

        DNRNG_NLGRP_NONE,

#define DNRNG_NLGRP_NONE        DNRNG_NLGRP_NONE

        DNRNG_NLGRP_L1,

#define DNRNG_NLGRP_L1          DNRNG_NLGRP_L1

        DNRNG_NLGRP_L2,

#define DNRNG_NLGRP_L2          DNRNG_NLGRP_L2

        __DNRNG_NLGRP_MAX

};

#define DNRNG_NLGRP_MAX (__DNRNG_NLGRP_MAX - 1)

#endif /*__LINUX_DECNET_NETFILTER_H*/