linux/include/net/netfilter/nf_nat_l3proto.h at master · fabgithub/linux · GitHub

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#ifndef _NF_NAT_L3PROTO_H

#define _NF_NAT_L3PROTO_H

struct nf_nat_l4proto;

struct nf_nat_l3proto {

u8 l3proto;

bool (*in_range)(const struct nf_conntrack_tuple *t,

const struct nf_nat_range *range);

u32 (*secure_port)(const struct nf_conntrack_tuple *t, __be16);

bool (*manip_pkt)(struct sk_buff *skb,

unsigned int iphdroff,

const struct nf_nat_l4proto *l4proto,

const struct nf_conntrack_tuple *target,

enum nf_nat_manip_type maniptype);

void (*csum_update)(struct sk_buff *skb, unsigned int iphdroff,

__sum16 *check,

const struct nf_conntrack_tuple *t,

enum nf_nat_manip_type maniptype);

void (*csum_recalc)(struct sk_buff *skb, u8 proto,

void *data, __sum16 *check,

int datalen, int oldlen);

void (*decode_session)(struct sk_buff *skb,

const struct nf_conn *ct,

enum ip_conntrack_dir dir,

unsigned long statusbit,

struct flowi *fl);

int (*nlattr_to_range)(struct nlattr *tb[],

struct nf_nat_range *range);

};

extern int nf_nat_l3proto_register(const struct nf_nat_l3proto *);

extern void nf_nat_l3proto_unregister(const struct nf_nat_l3proto *);

extern const struct nf_nat_l3proto *__nf_nat_l3proto_find(u8 l3proto);

extern int nf_nat_icmp_reply_translation(struct sk_buff *skb,

struct nf_conn *ct,

enum ip_conntrack_info ctinfo,

unsigned int hooknum);

extern 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);

#endif /* _NF_NAT_L3PROTO_H */

linux/include/net/netfilter/nf_nat_l3proto.h at master · fabgithub/linux · GitHub

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