include/linux/netfilter_decnet.h

   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*/