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-rw-r--r--include/linux/netfilter_ipv4/ipt_conntrack.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/netfilter_ipv4/ipt_conntrack.h b/include/linux/netfilter_ipv4/ipt_conntrack.h
index de1c81ff..eba410d7 100644
--- a/include/linux/netfilter_ipv4/ipt_conntrack.h
+++ b/include/linux/netfilter_ipv4/ipt_conntrack.h
@@ -5,6 +5,23 @@
#ifndef _IPT_CONNTRACK_H
#define _IPT_CONNTRACK_H
+#include <linux/netfilter_ipv4/ip_conntrack.h>
+
+/* backwards compatibility crap. only exists in userspace - HW */
+#include <linux/version.h>
+#ifndef KERNEL_VERSION
+#define KERNEL_VERSION(a,b,c) (((a) << 16) | ((b) << 8) | (c))
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,18)
+#define IPS_EXPECTED (1 << 0)
+#define IPS_SEEN_REPLY (1 << 1)
+#define IPS_ASSURED (1 << 2)
+#define IP_CT_DIR_ORIGINAL 0
+#define IP_CT_DIR_REPLY 1
+#define IP_CT_DIR_MAX 2
+#endif
+
#define IPT_CONNTRACK_STATE_BIT(ctinfo) (1 << ((ctinfo)%IP_CT_IS_REPLY+1))
#define IPT_CONNTRACK_STATE_INVALID (1 << 0)