extensions: add CT extension

Signed-off-by: Patrick McHardy <kaber@trash.net>

1 files changed, 17 insertions, 0 deletions

diff --git a/include/linux/netfilter/xt_CT.h b/include/linux/netfilter/xt_CT.h
new file mode 100644
index 00000000..1b564106
--- /dev/null
+++ b/include/linux/netfilter/xt_CT.h
@@ -0,0 +1,17 @@
+#ifndef _XT_CT_H
+#define _XT_CT_H
+
+#define XT_CT_NOTRACK	0x1
+
+struct xt_ct_target_info {
+	u_int16_t	flags;
+	u_int16_t	zone;
+	u_int32_t	ct_events;
+	u_int32_t	exp_events;
+	char		helper[16];
+
+	/* Used internally by the kernel */
+	struct nf_conn	*ct __attribute__((aligned(8)));
+};
+
+#endif /* _XT_CT_H */