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 #ifndef __KERNEL__ 14 /* IP Cache bits. */ 15 /* Src IP address. */ 16 #define NFC_DN_SRC 0x0001 17 /* Dest IP address. */ 18 #define NFC_DN_DST 0x0002 19 /* Input device. */ 20 #define NFC_DN_IF_IN 0x0004 21 /* Output device. */ 22 #define NFC_DN_IF_OUT 0x0008 23 #endif /* ! __KERNEL__ */ 24 25 /* DECnet Hooks */ 26 /* After promisc drops, checksum checks. */ 27 #define NF_DN_PRE_ROUTING 0 28 /* If the packet is destined for this box. */ 29 #define NF_DN_LOCAL_IN 1 30 /* If the packet is destined for another interface. */ 31 #define NF_DN_FORWARD 2 32 /* Packets coming from a local process. */ 33 #define NF_DN_LOCAL_OUT 3 34 /* Packets about to hit the wire. */ 35 #define NF_DN_POST_ROUTING 4 36 /* Input Hello Packets */ 37 #define NF_DN_HELLO 5 38 /* Input Routing Packets */ 39 #define NF_DN_ROUTE 6 40 #define NF_DN_NUMHOOKS 7 41 42 enum nf_dn_hook_priorities { 43 NF_DN_PRI_FIRST = INT_MIN, 44 NF_DN_PRI_CONNTRACK = -200, 45 NF_DN_PRI_MANGLE = -150, 46 NF_DN_PRI_NAT_DST = -100, 47 NF_DN_PRI_FILTER = 0, 48 NF_DN_PRI_NAT_SRC = 100, 49 NF_DN_PRI_DNRTMSG = 200, 50 NF_DN_PRI_LAST = INT_MAX, 51 }; 52 53 struct nf_dn_rtmsg { 54 int nfdn_ifindex; 55 }; 56 57 #define NFDN_RTMSG(r) ((unsigned char *)(r) + NLMSG_ALIGN(sizeof(struct nf_dn_rtmsg))) 58 59 #ifndef __KERNEL__ 60 /* backwards compatibility for userspace */ 61 #define DNRMG_L1_GROUP 0x01 62 #define DNRMG_L2_GROUP 0x02 63 #endif 64 65 enum { 66 DNRNG_NLGRP_NONE, 67 #define DNRNG_NLGRP_NONE DNRNG_NLGRP_NONE 68 DNRNG_NLGRP_L1, 69 #define DNRNG_NLGRP_L1 DNRNG_NLGRP_L1 70 DNRNG_NLGRP_L2, 71 #define DNRNG_NLGRP_L2 DNRNG_NLGRP_L2 72 __DNRNG_NLGRP_MAX 73 }; 74 #define DNRNG_NLGRP_MAX (__DNRNG_NLGRP_MAX - 1) 75 76 #endif /*__LINUX_DECNET_NETFILTER_H*/ 77