| /* 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 <linux/netfilter.h> |
| |
| /* only for userspace compatibility */ |
| #ifndef __KERNEL__ |
| |
| #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 |
| #endif /* ! __KERNEL__ */ |
| |
| /* 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))) |
| |
| #ifndef __KERNEL__ |
| /* backwards compatibility for userspace */ |
| #define DNRMG_L1_GROUP 0x01 |
| #define DNRMG_L2_GROUP 0x02 |
| #endif |
| |
| 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*/ |