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include/linux/netfilter_ipv6.h
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#ifndef __LINUX_IP6_NETFILTER_H #define __LINUX_IP6_NETFILTER_H /* IPv6-specific defines for netfilter. * (C)1998 Rusty Russell -- This code is GPL. * (C)1999 David Jeffery * this header was blatantly ripped from netfilter_ipv4.h * it's amazing what adding a bunch of 6s can do =8^) */ #include <linux/netfilter.h> |
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/* only for userspace compatibility */ #ifndef __KERNEL__ |
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/* IP Cache bits. */ /* Src IP address. */ #define NFC_IP6_SRC 0x0001 /* Dest IP address. */ #define NFC_IP6_DST 0x0002 /* Input device. */ #define NFC_IP6_IF_IN 0x0004 /* Output device. */ #define NFC_IP6_IF_OUT 0x0008 /* TOS. */ #define NFC_IP6_TOS 0x0010 /* Protocol. */ #define NFC_IP6_PROTO 0x0020 /* IP options. */ #define NFC_IP6_OPTIONS 0x0040 /* Frag & flags. */ #define NFC_IP6_FRAG 0x0080 /* Per-protocol information: only matters if proto match. */ /* TCP flags. */ #define NFC_IP6_TCPFLAGS 0x0100 /* Source port. */ #define NFC_IP6_SRC_PT 0x0200 /* Dest port. */ #define NFC_IP6_DST_PT 0x0400 /* Something else about the proto */ #define NFC_IP6_PROTO_UNKNOWN 0x2000 |
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/* IP6 Hooks */ /* After promisc drops, checksum checks. */ #define NF_IP6_PRE_ROUTING 0 /* If the packet is destined for this box. */ #define NF_IP6_LOCAL_IN 1 /* If the packet is destined for another interface. */ #define NF_IP6_FORWARD 2 /* Packets coming from a local process. */ #define NF_IP6_LOCAL_OUT 3 /* Packets about to hit the wire. */ #define NF_IP6_POST_ROUTING 4 #define NF_IP6_NUMHOOKS 5 |
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#endif /* ! __KERNEL__ */ |
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enum nf_ip6_hook_priorities { NF_IP6_PRI_FIRST = INT_MIN, |
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NF_IP6_PRI_CONNTRACK_DEFRAG = -400, |
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NF_IP6_PRI_RAW = -300, |
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NF_IP6_PRI_SELINUX_FIRST = -225, NF_IP6_PRI_CONNTRACK = -200, |
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NF_IP6_PRI_MANGLE = -150, NF_IP6_PRI_NAT_DST = -100, |
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NF_IP6_PRI_FILTER = 0, |
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NF_IP6_PRI_SECURITY = 50, |
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NF_IP6_PRI_NAT_SRC = 100, NF_IP6_PRI_SELINUX_LAST = 225, NF_IP6_PRI_LAST = INT_MAX, }; |
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#ifdef __KERNEL__ |
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#ifdef CONFIG_NETFILTER |
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extern int ip6_route_me_harder(struct sk_buff *skb); |
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extern __sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook, |
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unsigned int dataoff, u_int8_t protocol); |
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extern int ipv6_netfilter_init(void); extern void ipv6_netfilter_fini(void); |
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#else /* CONFIG_NETFILTER */ static inline int ipv6_netfilter_init(void) { return 0; } static inline void ipv6_netfilter_fini(void) { return; } #endif /* CONFIG_NETFILTER */ |
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#endif /* __KERNEL__ */ |
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#endif /*__LINUX_IP6_NETFILTER_H*/ |