netdev - [PATCH 14/26] netfilter: synproxy: add common uapi for SYNPROXY infrastructure

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Message-Id: <20190625001233.22057-15-pablo@netfilter.org>
Date:   Tue, 25 Jun 2019 02:12:21 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     netfilter-devel@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org
Subject: [PATCH 14/26] netfilter: synproxy: add common uapi for SYNPROXY infrastructure

From: Fernando Fernandez Mancera <ffmancera@...eup.net>

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@...eup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 include/uapi/linux/netfilter/nf_SYNPROXY.h | 19 +++++++++++++++++++
 include/uapi/linux/netfilter/xt_SYNPROXY.h | 18 +++++++-----------
 2 files changed, 26 insertions(+), 11 deletions(-)
 create mode 100644 include/uapi/linux/netfilter/nf_SYNPROXY.h

diff --git a/include/uapi/linux/netfilter/nf_SYNPROXY.h b/include/uapi/linux/netfilter/nf_SYNPROXY.h
new file mode 100644
index 000000000000..068d1b3a6f06
--- /dev/null
+++ b/include/uapi/linux/netfilter/nf_SYNPROXY.h
@@ -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 */
diff --git a/include/uapi/linux/netfilter/xt_SYNPROXY.h b/include/uapi/linux/netfilter/xt_SYNPROXY.h
index ea5eba15d4c1..4d5611d647df 100644
--- a/include/uapi/linux/netfilter/xt_SYNPROXY.h
+++ b/include/uapi/linux/netfilter/xt_SYNPROXY.h
@@ -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 */
-- 
2.11.0