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 _UAPI__LINUX_IP6_NETFILTER_H 9 #define _UAPI__LINUX_IP6_NETFILTER_H 10 11 12 #include <linux/netfilter.h> 13 14 /* only for userspace compatibility */ 15 #ifndef __KERNEL__ 16 17 #include <limits.h> /* for INT_MIN, INT_MAX */ 18 19 /* IP Cache bits. */ 20 /* Src IP address. */ 21 #define NFC_IP6_SRC 0x0001 22 /* Dest IP address. */ 23 #define NFC_IP6_DST 0x0002 24 /* Input device. */ 25 #define NFC_IP6_IF_IN 0x0004 26 /* Output device. */ 27 #define NFC_IP6_IF_OUT 0x0008 28 /* TOS. */ 29 #define NFC_IP6_TOS 0x0010 30 /* Protocol. */ 31 #define NFC_IP6_PROTO 0x0020 32 /* IP options. */ 33 #define NFC_IP6_OPTIONS 0x0040 34 /* Frag & flags. */ 35 #define NFC_IP6_FRAG 0x0080 36 37 38 /* Per-protocol information: only matters if proto match. */ 39 /* TCP flags. */ 40 #define NFC_IP6_TCPFLAGS 0x0100 41 /* Source port. */ 42 #define NFC_IP6_SRC_PT 0x0200 43 /* Dest port. */ 44 #define NFC_IP6_DST_PT 0x0400 45 /* Something else about the proto */ 46 #define NFC_IP6_PROTO_UNKNOWN 0x2000 47 48 /* IP6 Hooks */ 49 /* After promisc drops, checksum checks. */ 50 #define NF_IP6_PRE_ROUTING 0 51 /* If the packet is destined for this box. */ 52 #define NF_IP6_LOCAL_IN 1 53 /* If the packet is destined for another interface. */ 54 #define NF_IP6_FORWARD 2 55 /* Packets coming from a local process. */ 56 #define NF_IP6_LOCAL_OUT 3 57 /* Packets about to hit the wire. */ 58 #define NF_IP6_POST_ROUTING 4 59 #define NF_IP6_NUMHOOKS 5 60 #endif /* ! __KERNEL__ */ 61 62 63 enum nf_ip6_hook_priorities { 64 NF_IP6_PRI_FIRST = INT_MIN, 65 NF_IP6_PRI_RAW_BEFORE_DEFRAG = -450, 66 NF_IP6_PRI_CONNTRACK_DEFRAG = -400, 67 NF_IP6_PRI_RAW = -300, 68 NF_IP6_PRI_SELINUX_FIRST = -225, 69 NF_IP6_PRI_CONNTRACK = -200, 70 NF_IP6_PRI_MANGLE = -150, 71 NF_IP6_PRI_NAT_DST = -100, 72 NF_IP6_PRI_FILTER = 0, 73 NF_IP6_PRI_SECURITY = 50, 74 NF_IP6_PRI_NAT_SRC = 100, 75 NF_IP6_PRI_SELINUX_LAST = 225, 76 NF_IP6_PRI_CONNTRACK_HELPER = 300, 77 NF_IP6_PRI_LAST = INT_MAX, 78 }; 79 80 81 #endif /* _UAPI__LINUX_IP6_NETFILTER_H */ 82
