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 /* 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*/