/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef __LINUX_DECNET_NETFILTER_H
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#define __LINUX_DECNET_NETFILTER_H
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/* DECnet-specific defines for netfilter.
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* This file (C) Steve Whitehouse 1999 derived from the
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* ipv4 netfilter header file which is
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* (C)1998 Rusty Russell -- This code is GPL.
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*/
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#include <linux/netfilter.h>
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/* only for userspace compatibility */
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#ifndef __KERNEL__
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#include <limits.h> /* for INT_MIN, INT_MAX */
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/* kernel define is in netfilter_defs.h */
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#define NF_DN_NUMHOOKS 7
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#endif /* ! __KERNEL__ */
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/* DECnet Hooks */
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/* After promisc drops, checksum checks. */
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#define NF_DN_PRE_ROUTING 0
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/* If the packet is destined for this box. */
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#define NF_DN_LOCAL_IN 1
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/* If the packet is destined for another interface. */
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#define NF_DN_FORWARD 2
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/* Packets coming from a local process. */
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#define NF_DN_LOCAL_OUT 3
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/* Packets about to hit the wire. */
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#define NF_DN_POST_ROUTING 4
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/* Input Hello Packets */
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#define NF_DN_HELLO 5
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/* Input Routing Packets */
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#define NF_DN_ROUTE 6
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enum nf_dn_hook_priorities {
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NF_DN_PRI_FIRST = INT_MIN,
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NF_DN_PRI_CONNTRACK = -200,
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NF_DN_PRI_MANGLE = -150,
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NF_DN_PRI_NAT_DST = -100,
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NF_DN_PRI_FILTER = 0,
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NF_DN_PRI_NAT_SRC = 100,
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NF_DN_PRI_DNRTMSG = 200,
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NF_DN_PRI_LAST = INT_MAX,
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};
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struct nf_dn_rtmsg {
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int nfdn_ifindex;
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};
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#define NFDN_RTMSG(r) ((unsigned char *)(r) + NLMSG_ALIGN(sizeof(struct nf_dn_rtmsg)))
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#ifndef __KERNEL__
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/* backwards compatibility for userspace */
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#define DNRMG_L1_GROUP 0x01
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#define DNRMG_L2_GROUP 0x02
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#endif
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enum {
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DNRNG_NLGRP_NONE,
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#define DNRNG_NLGRP_NONE DNRNG_NLGRP_NONE
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DNRNG_NLGRP_L1,
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#define DNRNG_NLGRP_L1 DNRNG_NLGRP_L1
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DNRNG_NLGRP_L2,
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#define DNRNG_NLGRP_L2 DNRNG_NLGRP_L2
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__DNRNG_NLGRP_MAX
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};
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#define DNRNG_NLGRP_MAX (__DNRNG_NLGRP_MAX - 1)
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#endif /*__LINUX_DECNET_NETFILTER_H*/
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