/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* 25-Jul-1998 Major changes to allow for ip chain table
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*
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* 3-Jan-2000 Named tables to allow packet selection for different uses.
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*/
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/*
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* Format of an IP6 firewall descriptor
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*
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* src, dst, src_mask, dst_mask are always stored in network byte order.
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* flags are stored in host byte order (of course).
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* Port numbers are stored in HOST byte order.
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*/
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#ifndef _IP6_TABLES_H
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#define _IP6_TABLES_H
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#include <linux/if.h>
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#include <linux/in6.h>
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#include <linux/init.h>
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#include <linux/ipv6.h>
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#include <linux/skbuff.h>
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#include <uapi/linux/netfilter_ipv6/ip6_tables.h>
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extern void *ip6t_alloc_initial_table(const struct xt_table *);
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int ip6t_register_table(struct net *net, const struct xt_table *table,
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const struct ip6t_replace *repl,
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const struct nf_hook_ops *ops, struct xt_table **res);
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void ip6t_unregister_table(struct net *net, struct xt_table *table,
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const struct nf_hook_ops *ops);
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void ip6t_unregister_table_pre_exit(struct net *net, struct xt_table *table,
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const struct nf_hook_ops *ops);
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void ip6t_unregister_table_exit(struct net *net, struct xt_table *table);
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extern unsigned int ip6t_do_table(struct sk_buff *skb,
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const struct nf_hook_state *state,
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struct xt_table *table);
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#ifdef CONFIG_COMPAT
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#include <net/compat.h>
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struct compat_ip6t_entry {
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struct ip6t_ip6 ipv6;
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compat_uint_t nfcache;
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__u16 target_offset;
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__u16 next_offset;
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compat_uint_t comefrom;
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struct compat_xt_counters counters;
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unsigned char elems[];
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};
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static inline struct xt_entry_target *
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compat_ip6t_get_target(struct compat_ip6t_entry *e)
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{
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return (void *)e + e->target_offset;
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}
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#endif /* CONFIG_COMPAT */
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#endif /* _IP6_TABLES_H */
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