Contributors: 4
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Jozsef Kadlecsik |
98 |
55.37% |
1 |
20.00% |
| Patrick McHardy |
75 |
42.37% |
2 |
40.00% |
| Gao Feng |
3 |
1.69% |
1 |
20.00% |
| Greg Kroah-Hartman |
1 |
0.56% |
1 |
20.00% |
| Total |
177 |
|
5 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _NF_NAT_HELPER_H
#define _NF_NAT_HELPER_H
/* NAT protocol helper routines. */
#include <net/netfilter/nf_conntrack.h>
struct sk_buff;
/* These return true or false. */
bool __nf_nat_mangle_tcp_packet(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int protoff, unsigned int match_offset,
unsigned int match_len, const char *rep_buffer,
unsigned int rep_len, bool adjust);
static inline bool nf_nat_mangle_tcp_packet(struct sk_buff *skb,
struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int protoff,
unsigned int match_offset,
unsigned int match_len,
const char *rep_buffer,
unsigned int rep_len)
{
return __nf_nat_mangle_tcp_packet(skb, ct, ctinfo, protoff,
match_offset, match_len,
rep_buffer, rep_len, true);
}
bool nf_nat_mangle_udp_packet(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int protoff, unsigned int match_offset,
unsigned int match_len, const char *rep_buffer,
unsigned int rep_len);
/* Setup NAT on this expected conntrack so it follows master, but goes
* to port ct->master->saved_proto. */
void nf_nat_follow_master(struct nf_conn *ct, struct nf_conntrack_expect *this);
#endif