include/linux/netfilter_ipv6.h

   1 #ifndef __LINUX_IP6_NETFILTER_H
   2 #define __LINUX_IP6_NETFILTER_H
   3
   4 /* IPv6-specific defines for netfilter.
   5  * (C)1998 Rusty Russell -- This code is GPL.
   6  * (C)1999 David Jeffery
   7  *   this header was blatantly ripped from netfilter_ipv4.h
   8  *   it's amazing what adding a bunch of 6s can do =8^)
   9  */
  10
  11 #include <linux/netfilter.h>
  12
  13 /* IP Cache bits. */
  14 /* Src IP address. */
  15 #define NFC_IP6_SRC              0x0001
  16 /* Dest IP address. */
  17 #define NFC_IP6_DST              0x0002
  18 /* Input device. */
  19 #define NFC_IP6_IF_IN            0x0004
  20 /* Output device. */
  21 #define NFC_IP6_IF_OUT           0x0008
  22 /* TOS. */
  23 #define NFC_IP6_TOS              0x0010
  24 /* Protocol. */
  25 #define NFC_IP6_PROTO            0x0020
  26 /* IP options. */
  27 #define NFC_IP6_OPTIONS          0x0040
  28 /* Frag & flags. */
  29 #define NFC_IP6_FRAG             0x0080
  30
  31
  32 /* Per-protocol information: only matters if proto match. */
  33 /* TCP flags. */
  34 #define NFC_IP6_TCPFLAGS         0x0100
  35 /* Source port. */
  36 #define NFC_IP6_SRC_PT           0x0200
  37 /* Dest port. */
  38 #define NFC_IP6_DST_PT           0x0400
  39 /* Something else about the proto */
  40 #define NFC_IP6_PROTO_UNKNOWN    0x2000
  41
  42
  43 /* IP6 Hooks */
  44 /* After promisc drops, checksum checks. */
  45 #define NF_IP6_PRE_ROUTING      0
  46 /* If the packet is destined for this box. */
  47 #define NF_IP6_LOCAL_IN         1
  48 /* If the packet is destined for another interface. */
  49 #define NF_IP6_FORWARD          2
  50 /* Packets coming from a local process. */
  51 #define NF_IP6_LOCAL_OUT                3
  52 /* Packets about to hit the wire. */
  53 #define NF_IP6_POST_ROUTING     4
  54 #define NF_IP6_NUMHOOKS         5
  55
  56
  57 enum nf_ip_hook_priorities {
  58         NF_IP6_PRI_FIRST = INT_MIN,
  59         NF_IP6_PRI_CONNTRACK = -200,
  60         NF_IP6_PRI_MANGLE = -150,
  61         NF_IP6_PRI_NAT_DST = -100,
  62         NF_IP6_PRI_FILTER = 0,
  63         NF_IP6_PRI_NAT_SRC = 100,
  64         NF_IP6_PRI_LAST = INT_MAX,
  65 };
  66
  67 #endif /*__LINUX_IP6_NETFILTER_H*/