1 #ifndef __LINUX_IP6_NETFILTER_H
2 #define __LINUX_IP6_NETFILTER_H
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^)
11 #include <linux/netfilter.h>
15 #define NFC_IP6_SRC 0x0001
16 /* Dest IP address. */
17 #define NFC_IP6_DST 0x0002
19 #define NFC_IP6_IF_IN 0x0004
21 #define NFC_IP6_IF_OUT 0x0008
23 #define NFC_IP6_TOS 0x0010
25 #define NFC_IP6_PROTO 0x0020
27 #define NFC_IP6_OPTIONS 0x0040
29 #define NFC_IP6_FRAG 0x0080
32 /* Per-protocol information: only matters if proto match. */
34 #define NFC_IP6_TCPFLAGS 0x0100
36 #define NFC_IP6_SRC_PT 0x0200
38 #define NFC_IP6_DST_PT 0x0400
39 /* Something else about the proto */
40 #define NFC_IP6_PROTO_UNKNOWN 0x2000
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
57 enum nf_ip6_hook_priorities {
58 NF_IP6_PRI_FIRST = INT_MIN,
59 NF_IP6_PRI_SELINUX_FIRST = -225,
60 NF_IP6_PRI_CONNTRACK = -200,
61 NF_IP6_PRI_BRIDGE_SABOTAGE_FORWARD = -175,
62 NF_IP6_PRI_MANGLE = -150,
63 NF_IP6_PRI_NAT_DST = -100,
64 NF_IP6_PRI_BRIDGE_SABOTAGE_LOCAL_OUT = -50,
65 NF_IP6_PRI_FILTER = 0,
66 NF_IP6_PRI_NAT_SRC = 100,
67 NF_IP6_PRI_SELINUX_LAST = 225,
68 NF_IP6_PRI_LAST = INT_MAX,
71 #endif /*__LINUX_IP6_NETFILTER_H*/