Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 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 | /* IP Cache bits. */ |
| 19 | /* Src IP address. */ |
| 20 | #define NFC_DN_SRC 0x0001 |
| 21 | /* Dest IP address. */ |
| 22 | #define NFC_DN_DST 0x0002 |
| 23 | /* Input device. */ |
| 24 | #define NFC_DN_IF_IN 0x0004 |
| 25 | /* Output device. */ |
| 26 | #define NFC_DN_IF_OUT 0x0008 |
| 27 | #endif /* ! __KERNEL__ */ |
| 28 | |
| 29 | /* DECnet Hooks */ |
| 30 | /* After promisc drops, checksum checks. */ |
| 31 | #define NF_DN_PRE_ROUTING 0 |
| 32 | /* If the packet is destined for this box. */ |
| 33 | #define NF_DN_LOCAL_IN 1 |
| 34 | /* If the packet is destined for another interface. */ |
| 35 | #define NF_DN_FORWARD 2 |
| 36 | /* Packets coming from a local process. */ |
| 37 | #define NF_DN_LOCAL_OUT 3 |
| 38 | /* Packets about to hit the wire. */ |
| 39 | #define NF_DN_POST_ROUTING 4 |
| 40 | /* Input Hello Packets */ |
| 41 | #define NF_DN_HELLO 5 |
| 42 | /* Input Routing Packets */ |
| 43 | #define NF_DN_ROUTE 6 |
| 44 | #define NF_DN_NUMHOOKS 7 |
| 45 | |
| 46 | enum nf_dn_hook_priorities { |
| 47 | NF_DN_PRI_FIRST = INT_MIN, |
| 48 | NF_DN_PRI_CONNTRACK = -200, |
| 49 | NF_DN_PRI_MANGLE = -150, |
| 50 | NF_DN_PRI_NAT_DST = -100, |
| 51 | NF_DN_PRI_FILTER = 0, |
| 52 | NF_DN_PRI_NAT_SRC = 100, |
| 53 | NF_DN_PRI_DNRTMSG = 200, |
| 54 | NF_DN_PRI_LAST = INT_MAX, |
| 55 | }; |
| 56 | |
| 57 | struct nf_dn_rtmsg { |
| 58 | int nfdn_ifindex; |
| 59 | }; |
| 60 | |
| 61 | #define NFDN_RTMSG(r) ((unsigned char *)(r) + NLMSG_ALIGN(sizeof(struct nf_dn_rtmsg))) |
| 62 | |
| 63 | #ifndef __KERNEL__ |
| 64 | /* backwards compatibility for userspace */ |
| 65 | #define DNRMG_L1_GROUP 0x01 |
| 66 | #define DNRMG_L2_GROUP 0x02 |
| 67 | #endif |
| 68 | |
| 69 | enum { |
| 70 | DNRNG_NLGRP_NONE, |
| 71 | #define DNRNG_NLGRP_NONE DNRNG_NLGRP_NONE |
| 72 | DNRNG_NLGRP_L1, |
| 73 | #define DNRNG_NLGRP_L1 DNRNG_NLGRP_L1 |
| 74 | DNRNG_NLGRP_L2, |
| 75 | #define DNRNG_NLGRP_L2 DNRNG_NLGRP_L2 |
| 76 | __DNRNG_NLGRP_MAX |
| 77 | }; |
| 78 | #define DNRNG_NLGRP_MAX (__DNRNG_NLGRP_MAX - 1) |
| 79 | |
| 80 | #endif /*__LINUX_DECNET_NETFILTER_H*/ |