/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _NF_SYNPROXY_H
#define _NF_SYNPROXY_H

#include <linux/types.h>

#define NF_SYNPROXY_OPT_MSS             0x01
#define NF_SYNPROXY_OPT_WSCALE          0x02
#define NF_SYNPROXY_OPT_SACK_PERM       0x04
#define NF_SYNPROXY_OPT_TIMESTAMP       0x08
#define NF_SYNPROXY_OPT_ECN             0x10
#define NF_SYNPROXY_OPT_MASK            (NF_SYNPROXY_OPT_MSS | \
                                         NF_SYNPROXY_OPT_WSCALE | \
                                         NF_SYNPROXY_OPT_SACK_PERM | \
                                         NF_SYNPROXY_OPT_TIMESTAMP)

struct nf_synproxy_info {
        __u8    options;
        __u8    wscale;
        __u16   mss;
};

#endif /* _NF_SYNPROXY_H */