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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _NF_NAT_L3PROTO_H
#define _NF_NAT_L3PROTO_H
struct nf_nat_l3proto {
u8 l3proto;
void (*csum_recalc)(struct sk_buff *skb, u8 proto,
void *data, __sum16 *check,
int datalen, int oldlen);
};
unsigned int nf_nat_manip_pkt(struct sk_buff *skb, struct nf_conn *ct,
enum nf_nat_manip_type mtype,
enum ip_conntrack_dir dir);
int nf_nat_l3proto_register(const struct nf_nat_l3proto *);
void nf_nat_l3proto_unregister(const struct nf_nat_l3proto *);
const struct nf_nat_l3proto *__nf_nat_l3proto_find(u8 l3proto);
int nf_nat_icmp_reply_translation(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int hooknum);
int nf_nat_icmpv6_reply_translation(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int hooknum, unsigned int hdrlen);
int nf_nat_l3proto_ipv4_register_fn(struct net *net, const struct nf_hook_ops *ops);
void nf_nat_l3proto_ipv4_unregister_fn(struct net *net, const struct nf_hook_ops *ops);
int nf_nat_l3proto_ipv6_register_fn(struct net *net, const struct nf_hook_ops *ops);
void nf_nat_l3proto_ipv6_unregister_fn(struct net *net, const struct nf_hook_ops *ops);
#endif /* _NF_NAT_L3PROTO_H */
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