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