1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* IPv6-specific defines for netfilter. 3 * (C)1998 Rusty Russell -- This code is GPL. 4 * (C)1999 David Jeffery 5 * this header was blatantly ripped from netfilter_ipv4.h 6 * it's amazing what adding a bunch of 6s can do =8^) 7 */ 8 #ifndef __LINUX_IP6_NETFILTER_H 9 #define __LINUX_IP6_NETFILTER_H 10 11 12 #include <linux/netfilter.h> 13 14 /* only for userspace compatibility */ 15 16 #include <limits.h> /* for INT_MIN, INT_MAX */ 17 18 /* IP Cache bits. */ 19 /* Src IP address. */ 20 #define NFC_IP6_SRC 0x0001 21 /* Dest IP address. */ 22 #define NFC_IP6_DST 0x0002 23 /* Input device. */ 24 #define NFC_IP6_IF_IN 0x0004 25 /* Output device. */ 26 #define NFC_IP6_IF_OUT 0x0008 27 /* TOS. */ 28 #define NFC_IP6_TOS 0x0010 29 /* Protocol. */ 30 #define NFC_IP6_PROTO 0x0020 31 /* IP options. */ 32 #define NFC_IP6_OPTIONS 0x0040 33 /* Frag & flags. */ 34 #define NFC_IP6_FRAG 0x0080 35 36 37 /* Per-protocol information: only matters if proto match. */ 38 /* TCP flags. */ 39 #define NFC_IP6_TCPFLAGS 0x0100 40 /* Source port. */ 41 #define NFC_IP6_SRC_PT 0x0200 42 /* Dest port. */ 43 #define NFC_IP6_DST_PT 0x0400 44 /* Something else about the proto */ 45 #define NFC_IP6_PROTO_UNKNOWN 0x2000 46 47 /* IP6 Hooks */ 48 /* After promisc drops, checksum checks. */ 49 #define NF_IP6_PRE_ROUTING 0 50 /* If the packet is destined for this box. */ 51 #define NF_IP6_LOCAL_IN 1 52 /* If the packet is destined for another interface. */ 53 #define NF_IP6_FORWARD 2 54 /* Packets coming from a local process. */ 55 #define NF_IP6_LOCAL_OUT 3 56 /* Packets about to hit the wire. */ 57 #define NF_IP6_POST_ROUTING 4 58 #define NF_IP6_NUMHOOKS 5 59 60 61 enum nf_ip6_hook_priorities { 62 NF_IP6_PRI_FIRST = INT_MIN, 63 NF_IP6_PRI_CONNTRACK_DEFRAG = -400, 64 NF_IP6_PRI_RAW = -300, 65 NF_IP6_PRI_SELINUX_FIRST = -225, 66 NF_IP6_PRI_CONNTRACK = -200, 67 NF_IP6_PRI_MANGLE = -150, 68 NF_IP6_PRI_NAT_DST = -100, 69 NF_IP6_PRI_FILTER = 0, 70 NF_IP6_PRI_SECURITY = 50, 71 NF_IP6_PRI_NAT_SRC = 100, 72 NF_IP6_PRI_SELINUX_LAST = 225, 73 NF_IP6_PRI_CONNTRACK_HELPER = 300, 74 NF_IP6_PRI_LAST = INT_MAX, 75 }; 76 77 78 #endif /* __LINUX_IP6_NETFILTER_H */ 79
