netfilter_decnet.h (1829B)
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2#ifndef __LINUX_DECNET_NETFILTER_H 3#define __LINUX_DECNET_NETFILTER_H 4 5/* DECnet-specific defines for netfilter. 6 * This file (C) Steve Whitehouse 1999 derived from the 7 * ipv4 netfilter header file which is 8 * (C)1998 Rusty Russell -- This code is GPL. 9 */ 10 11#include <linux/netfilter.h> 12 13/* only for userspace compatibility */ 14#ifndef __KERNEL__ 15 16#include <limits.h> /* for INT_MIN, INT_MAX */ 17 18/* kernel define is in netfilter_defs.h */ 19#define NF_DN_NUMHOOKS 7 20#endif /* ! __KERNEL__ */ 21 22/* DECnet Hooks */ 23/* After promisc drops, checksum checks. */ 24#define NF_DN_PRE_ROUTING 0 25/* If the packet is destined for this box. */ 26#define NF_DN_LOCAL_IN 1 27/* If the packet is destined for another interface. */ 28#define NF_DN_FORWARD 2 29/* Packets coming from a local process. */ 30#define NF_DN_LOCAL_OUT 3 31/* Packets about to hit the wire. */ 32#define NF_DN_POST_ROUTING 4 33/* Input Hello Packets */ 34#define NF_DN_HELLO 5 35/* Input Routing Packets */ 36#define NF_DN_ROUTE 6 37 38enum nf_dn_hook_priorities { 39 NF_DN_PRI_FIRST = INT_MIN, 40 NF_DN_PRI_CONNTRACK = -200, 41 NF_DN_PRI_MANGLE = -150, 42 NF_DN_PRI_NAT_DST = -100, 43 NF_DN_PRI_FILTER = 0, 44 NF_DN_PRI_NAT_SRC = 100, 45 NF_DN_PRI_DNRTMSG = 200, 46 NF_DN_PRI_LAST = INT_MAX, 47}; 48 49struct nf_dn_rtmsg { 50 int nfdn_ifindex; 51}; 52 53#define NFDN_RTMSG(r) ((unsigned char *)(r) + NLMSG_ALIGN(sizeof(struct nf_dn_rtmsg))) 54 55#ifndef __KERNEL__ 56/* backwards compatibility for userspace */ 57#define DNRMG_L1_GROUP 0x01 58#define DNRMG_L2_GROUP 0x02 59#endif 60 61enum { 62 DNRNG_NLGRP_NONE, 63#define DNRNG_NLGRP_NONE DNRNG_NLGRP_NONE 64 DNRNG_NLGRP_L1, 65#define DNRNG_NLGRP_L1 DNRNG_NLGRP_L1 66 DNRNG_NLGRP_L2, 67#define DNRNG_NLGRP_L2 DNRNG_NLGRP_L2 68 __DNRNG_NLGRP_MAX 69}; 70#define DNRNG_NLGRP_MAX (__DNRNG_NLGRP_MAX - 1) 71 72#endif /*__LINUX_DECNET_NETFILTER_H*/