/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #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 /* only for userspace compatibility */ #include /* 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 /* kernel define is in netfilter_defs.h */ #define NF_DN_NUMHOOKS 7 /* 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 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*/