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 /* IP6 Hooks */ 20 /* After promisc drops, checksum checks. */ 21 #define NF_IP6_PRE_ROUTING 0 22 /* If the packet is destined for this box. */ 23 #define NF_IP6_LOCAL_IN 1 24 /* If the packet is destined for another interface. */ 25 #define NF_IP6_FORWARD 2 26 /* Packets coming from a local process. */ 27 #define NF_IP6_LOCAL_OUT 3 28 /* Packets about to hit the wire. */ 29 #define NF_IP6_POST_ROUTING 4 30 #define NF_IP6_NUMHOOKS 5 31 #endif /* ! __KERNEL__ */ 32 33 34 enum nf_ip6_hook_priorities { 35 NF_IP6_PRI_FIRST = INT_MIN, 36 NF_IP6_PRI_RAW_BEFORE_DEFRAG = -450, 37 NF_IP6_PRI_CONNTRACK_DEFRAG = -400, 38 NF_IP6_PRI_RAW = -300, 39 NF_IP6_PRI_SELINUX_FIRST = -225, 40 NF_IP6_PRI_CONNTRACK = -200, 41 NF_IP6_PRI_MANGLE = -150, 42 NF_IP6_PRI_NAT_DST = -100, 43 NF_IP6_PRI_FILTER = 0, 44 NF_IP6_PRI_SECURITY = 50, 45 NF_IP6_PRI_NAT_SRC = 100, 46 NF_IP6_PRI_SELINUX_LAST = 225, 47 NF_IP6_PRI_CONNTRACK_HELPER = 300, 48 NF_IP6_PRI_LAST = INT_MAX, 49 }; 50 51 52 #endif /* _UAPI__LINUX_IP6_NETFILTER_H */ 53