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 15 #include <limits.h> /* for INT_MIN, INT_MAX */ 16 17 /* IP Cache bits. */ 18 /* Src IP address. */ 19 #define NFC_DN_SRC 0x0001 20 /* Dest IP address. */ 21 #define NFC_DN_DST 0x0002 22 /* Input device. */ 23 #define NFC_DN_IF_IN 0x0004 24 /* Output device. */ 25 #define NFC_DN_IF_OUT 0x0008 26 #endif /* ! __KERNEL__ */ 27 28 /* DECnet Hooks */ 29 /* After promisc drops, checksum checks. */ 30 #define NF_DN_PRE_ROUTING 0 31 /* If the packet is destined for this box. */ 32 #define NF_DN_LOCAL_IN 1 33 /* If the packet is destined for another interface. */ 34 #define NF_DN_FORWARD 2 35 /* Packets coming from a local process. */ 36 #define NF_DN_LOCAL_OUT 3 37 /* Packets about to hit the wire. */ 38 #define NF_DN_POST_ROUTING 4 39 /* Input Hello Packets */ 40 #define NF_DN_HELLO 5 41 /* Input Routing Packets */ 42 #define NF_DN_ROUTE 6 43 #define NF_DN_NUMHOOKS 7 44 45 enum nf_dn_hook_priorities { 46 NF_DN_PRI_FIRST = INT_MIN, 47 NF_DN_PRI_CONNTRACK = -200, 48 NF_DN_PRI_MANGLE = -150, 49 NF_DN_PRI_NAT_DST = -100, 50 NF_DN_PRI_FILTER = 0, 51 NF_DN_PRI_NAT_SRC = 100, 52 NF_DN_PRI_DNRTMSG = 200, 53 NF_DN_PRI_LAST = INT_MAX, 54 }; 55 56 struct nf_dn_rtmsg { 57 int nfdn_ifindex; 58 }; 59 60 #define NFDN_RTMSG(r) ((unsigned char *)(r) + NLMSG_ALIGN(sizeof(struct nf_dn_rtmsg))) 61 62 #ifndef __KERNEL__ 63 /* backwards compatibility for userspace */ 64 #define DNRMG_L1_GROUP 0x01 65 #define DNRMG_L2_GROUP 0x02 66 #endif 67 68 enum { 69 DNRNG_NLGRP_NONE, 70 #define DNRNG_NLGRP_NONE DNRNG_NLGRP_NONE 71 DNRNG_NLGRP_L1, 72 #define DNRNG_NLGRP_L1 DNRNG_NLGRP_L1 73 DNRNG_NLGRP_L2, 74 #define DNRNG_NLGRP_L2 DNRNG_NLGRP_L2 75 __DNRNG_NLGRP_MAX 76 }; 77 #define DNRNG_NLGRP_MAX (__DNRNG_NLGRP_MAX - 1) 78 79 #endif /*__LINUX_DECNET_NETFILTER_H*/ 80