1 #ifndef __LINUX_DECNET_NETFILTER_H 2 #define __LINUX_DECNET_NETFILTER_H 3 4 /* DECnet-specific defines for netfilter. 5 * This file (C) Steve Whitehouse 1999 derived from the 6 * ipv4 netfilter header file which is 7 * (C)1998 Rusty Russell -- This code is GPL. 8 */ 9 10 #include <linux/netfilter.h> 11 12 /* only for userspace compatibility */ 13 14 #include <limits.h> /* for INT_MIN, INT_MAX */ 15 16 /* IP Cache bits. */ 17 /* Src IP address. */ 18 #define NFC_DN_SRC 0x0001 19 /* Dest IP address. */ 20 #define NFC_DN_DST 0x0002 21 /* Input device. */ 22 #define NFC_DN_IF_IN 0x0004 23 /* Output device. */ 24 #define NFC_DN_IF_OUT 0x0008 25 26 /* DECnet Hooks */ 27 /* After promisc drops, checksum checks. */ 28 #define NF_DN_PRE_ROUTING 0 29 /* If the packet is destined for this box. */ 30 #define NF_DN_LOCAL_IN 1 31 /* If the packet is destined for another interface. */ 32 #define NF_DN_FORWARD 2 33 /* Packets coming from a local process. */ 34 #define NF_DN_LOCAL_OUT 3 35 /* Packets about to hit the wire. */ 36 #define NF_DN_POST_ROUTING 4 37 /* Input Hello Packets */ 38 #define NF_DN_HELLO 5 39 /* Input Routing Packets */ 40 #define NF_DN_ROUTE 6 41 #define NF_DN_NUMHOOKS 7 42 43 enum nf_dn_hook_priorities { 44 NF_DN_PRI_FIRST = INT_MIN, 45 NF_DN_PRI_CONNTRACK = -200, 46 NF_DN_PRI_MANGLE = -150, 47 NF_DN_PRI_NAT_DST = -100, 48 NF_DN_PRI_FILTER = 0, 49 NF_DN_PRI_NAT_SRC = 100, 50 NF_DN_PRI_DNRTMSG = 200, 51 NF_DN_PRI_LAST = INT_MAX, 52 }; 53 54 struct nf_dn_rtmsg { 55 int nfdn_ifindex; 56 }; 57 58 #define NFDN_RTMSG(r) ((unsigned char *)(r) + NLMSG_ALIGN(sizeof(struct nf_dn_rtmsg))) 59 60 /* backwards compatibility for userspace */ 61 #define DNRMG_L1_GROUP 0x01 62 #define DNRMG_L2_GROUP 0x02 63 64 enum { 65 DNRNG_NLGRP_NONE, 66 #define DNRNG_NLGRP_NONE DNRNG_NLGRP_NONE 67 DNRNG_NLGRP_L1, 68 #define DNRNG_NLGRP_L1 DNRNG_NLGRP_L1 69 DNRNG_NLGRP_L2, 70 #define DNRNG_NLGRP_L2 DNRNG_NLGRP_L2 71 __DNRNG_NLGRP_MAX 72 }; 73 #define DNRNG_NLGRP_MAX (__DNRNG_NLGRP_MAX - 1) 74 75 #endif /*__LINUX_DECNET_NETFILTER_H*/ 76