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 /* 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 28 /* kernel define is in netfilter_defs.h */ 29 #define NF_DN_NUMHOOKS 7 30 #endif /* ! __KERNEL__ */ 31 32 /* DECnet Hooks */ 33 /* After promisc drops, checksum checks. */ 34 #define NF_DN_PRE_ROUTING 0 35 /* If the packet is destined for this box. */ 36 #define NF_DN_LOCAL_IN 1 37 /* If the packet is destined for another interface. */ 38 #define NF_DN_FORWARD 2 39 /* Packets coming from a local process. */ 40 #define NF_DN_LOCAL_OUT 3 41 /* Packets about to hit the wire. */ 42 #define NF_DN_POST_ROUTING 4 43 /* Input Hello Packets */ 44 #define NF_DN_HELLO 5 45 /* Input Routing Packets */ 46 #define NF_DN_ROUTE 6 47 48 enum nf_dn_hook_priorities { 49 NF_DN_PRI_FIRST = INT_MIN, 50 NF_DN_PRI_CONNTRACK = -200, 51 NF_DN_PRI_MANGLE = -150, 52 NF_DN_PRI_NAT_DST = -100, 53 NF_DN_PRI_FILTER = 0, 54 NF_DN_PRI_NAT_SRC = 100, 55 NF_DN_PRI_DNRTMSG = 200, 56 NF_DN_PRI_LAST = INT_MAX, 57 }; 58 59 struct nf_dn_rtmsg { 60 int nfdn_ifindex; 61 }; 62 63 #define NFDN_RTMSG(r) ((unsigned char *)(r) + NLMSG_ALIGN(sizeof(struct nf_dn_rtmsg))) 64 65 #ifndef __KERNEL__ 66 /* backwards compatibility for userspace */ 67 #define DNRMG_L1_GROUP 0x01 68 #define DNRMG_L2_GROUP 0x02 69 #endif 70 71 enum { 72 DNRNG_NLGRP_NONE, 73 #define DNRNG_NLGRP_NONE DNRNG_NLGRP_NONE 74 DNRNG_NLGRP_L1, 75 #define DNRNG_NLGRP_L1 DNRNG_NLGRP_L1 76 DNRNG_NLGRP_L2, 77 #define DNRNG_NLGRP_L2 DNRNG_NLGRP_L2 78 __DNRNG_NLGRP_MAX 79 }; 80 #define DNRNG_NLGRP_MAX (__DNRNG_NLGRP_MAX - 1) 81 82 #endif /*__LINUX_DECNET_NETFILTER_H*/ 83
