patch-2.4.20 linux-2.4.20/include/linux/netfilter_ipv4/ipt_conntrack.h

• Lines: 39
• Date: Thu Nov 28 15:53:15 2002
• Orig file: linux-2.4.19/include/linux/netfilter_ipv4/ipt_conntrack.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.19/include/linux/netfilter_ipv4/ipt_conntrack.h linux-2.4.20/include/linux/netfilter_ipv4/ipt_conntrack.h
@@ -0,0 +1,38 @@
+/* Header file for kernel module to match connection tracking information.
+ * GPL (C) 2001  Marc Boucher (marc@mbsi.ca).
+ */
+
+#ifndef _IPT_CONNTRACK_H
+#define _IPT_CONNTRACK_H
+
+#define IPT_CONNTRACK_STATE_BIT(ctinfo) (1 << ((ctinfo)%IP_CT_IS_REPLY+1))
+#define IPT_CONNTRACK_STATE_INVALID (1 << 0)
+
+#define IPT_CONNTRACK_STATE_SNAT (1 << (IP_CT_NUMBER + 1))
+#define IPT_CONNTRACK_STATE_DNAT (1 << (IP_CT_NUMBER + 2))
+
+/* flags, invflags: */
+#define IPT_CONNTRACK_STATE	0x01
+#define IPT_CONNTRACK_PROTO	0x02
+#define IPT_CONNTRACK_ORIGSRC	0x04
+#define IPT_CONNTRACK_ORIGDST	0x08
+#define IPT_CONNTRACK_REPLSRC	0x10
+#define IPT_CONNTRACK_REPLDST	0x20
+#define IPT_CONNTRACK_STATUS	0x40
+#define IPT_CONNTRACK_EXPIRES	0x80
+
+struct ipt_conntrack_info
+{
+	unsigned int statemask, statusmask;
+
+	struct ip_conntrack_tuple tuple[IP_CT_DIR_MAX];
+	struct in_addr sipmsk[IP_CT_DIR_MAX], dipmsk[IP_CT_DIR_MAX];
+
+	unsigned long expires_min, expires_max;
+
+	/* Flags word */
+	u_int8_t flags;
+	/* Inverse flags */
+	u_int8_t invflags;
+};
+#endif /*_IPT_CONNTRACK_H*/