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 /* IP Cache bits. */ 13 /* Src IP address. */ 14 #define NFC_DN_SRC 0x0001 15 /* Dest IP address. */ 16 #define NFC_DN_DST 0x0002 17 /* Input device. */ 18 #define NFC_DN_IF_IN 0x0004 19 /* Output device. */ 20 #define NFC_DN_IF_OUT 0x0008 21 22 /* DECnet Hooks */ 23 /* After promisc drops, checksum checks. */ 24 #define NF_DN_PRE_ROUTING 0 25 /* If the packet is destined for this box. */ 26 #define NF_DN_LOCAL_IN 1 27 /* If the packet is destined for another interface. */ 28 #define NF_DN_FORWARD 2 29 /* Packets coming from a local process. */ 30 #define NF_DN_LOCAL_OUT 3 31 /* Packets about to hit the wire. */ 32 #define NF_DN_POST_ROUTING 4 33 /* Input Hello Packets */ 34 #define NF_DN_HELLO 5 35 /* Input Routing Packets */ 36 #define NF_DN_ROUTE 6 37 #define NF_DN_NUMHOOKS 7 38 39 enum nf_dn_hook_priorities { 40 NF_DN_PRI_FIRST = INT_MIN, 41 NF_DN_PRI_CONNTRACK = -200, 42 NF_DN_PRI_MANGLE = -150, 43 NF_DN_PRI_NAT_DST = -100, 44 NF_DN_PRI_FILTER = 0, 45 NF_DN_PRI_NAT_SRC = 100, 46 NF_DN_PRI_DNRTMSG = 200, 47 NF_DN_PRI_LAST = INT_MAX, 48 }; 49 50 struct nf_dn_rtmsg { 51 int nfdn_ifindex; 52 }; 53 54 #define NFDN_RTMSG(r) ((unsigned char *)(r) + NLMSG_ALIGN(sizeof(struct nf_dn_rtmsg))) 55 56 #define DNRMG_L1_GROUP 0x01 57 #define DNRMG_L2_GROUP 0x02 58 59 #endif /*__LINUX_DECNET_NETFILTER_H*/ 60