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netfilter: synproxy: add common uapi for SYNPROXY infrastructure 

This new UAPI file is going to be used by the xt and nft common SYNPROXY
infrastructure. It is needed to avoid duplicated code.

Signed-off-by: Fernando Fernandez Mancera <ffmancera@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Fernando Fernandez Mancera 2019-06-07 02:36:02 +02:00 committed by Pablo Neira Ayuso
parent 667ec21ebf
commit 5fcc88ecf6
2 changed files with 26 additions and 11 deletions
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19
include/uapi/linux/netfilter/nf_SYNPROXY.h Normal file
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@ -0,0 +1,19 @@
/* SPDX-License-Identifier: GPL-2.0 */
#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
struct nf_synproxy_info {
__u8 options;
__u8 wscale;
__u16 mss;
};
#endif /* _NF_SYNPROXY_H */

18
include/uapi/linux/netfilter/xt_SYNPROXY.h
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@ -2,18 +2,14 @@
#ifndef _XT_SYNPROXY_H
#define _XT_SYNPROXY_H
#include <linux/types.h>
#include <linux/netfilter/nf_SYNPROXY.h>
#define XT_SYNPROXY_OPT_MSS 0x01
#define XT_SYNPROXY_OPT_WSCALE 0x02
#define XT_SYNPROXY_OPT_SACK_PERM 0x04
#define XT_SYNPROXY_OPT_TIMESTAMP 0x08
#define XT_SYNPROXY_OPT_ECN 0x10
#define XT_SYNPROXY_OPT_MSS NF_SYNPROXY_OPT_MSS
#define XT_SYNPROXY_OPT_WSCALE NF_SYNPROXY_OPT_WSCALE
#define XT_SYNPROXY_OPT_SACK_PERM NF_SYNPROXY_OPT_SACK_PERM
#define XT_SYNPROXY_OPT_TIMESTAMP NF_SYNPROXY_OPT_TIMESTAMP
#define XT_SYNPROXY_OPT_ECN NF_SYNPROXY_OPT_ECN
struct xt_synproxy_info {
__u8 options;
__u8 wscale;
__u16 mss;
};
#define xt_synproxy_info nf_synproxy_info
#endif /* _XT_SYNPROXY_H */