1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _NF_SYNPROXY_H
3#define _NF_SYNPROXY_H
4
5#include <linux/types.h>
6
7#define NF_SYNPROXY_OPT_MSS 0x01
8#define NF_SYNPROXY_OPT_WSCALE 0x02
9#define NF_SYNPROXY_OPT_SACK_PERM 0x04
10#define NF_SYNPROXY_OPT_TIMESTAMP 0x08
11#define NF_SYNPROXY_OPT_ECN 0x10
12#define NF_SYNPROXY_OPT_MASK (NF_SYNPROXY_OPT_MSS | \
13 NF_SYNPROXY_OPT_WSCALE | \
14 NF_SYNPROXY_OPT_SACK_PERM | \
15 NF_SYNPROXY_OPT_TIMESTAMP)
16
17struct nf_synproxy_info {
18 __u8 options;
19 __u8 wscale;
20 __u16 mss;
21};
22
23#endif /* _NF_SYNPROXY_H */
24

source code of linux/include/uapi/linux/netfilter/nf_synproxy.h