[netfilter-cvslog] r7308 - trunk/iptables/include/linux

[kaber at trash.net]

Author: kaber at trash.net
Date: 2008-01-29 15:34:27 +0100 (Tue, 29 Jan 2008)
New Revision: 7308

Added:
   trunk/iptables/include/linux/netfilter.h
Log:
Add netfilter.h


Added: trunk/iptables/include/linux/netfilter.h
===================================================================
--- trunk/iptables/include/linux/netfilter.h	                        (rev 0)
+++ trunk/iptables/include/linux/netfilter.h	2008-01-29 14:34:27 UTC (rev 7308)
@@ -0,0 +1,48 @@
+#ifndef __LINUX_NETFILTER_H
+#define __LINUX_NETFILTER_H
+
+#include <linux/compiler.h>
+
+/* Responses from hook functions. */
+#define NF_DROP 0
+#define NF_ACCEPT 1
+#define NF_STOLEN 2
+#define NF_QUEUE 3
+#define NF_REPEAT 4
+#define NF_STOP 5
+#define NF_MAX_VERDICT NF_STOP
+
+/* we overload the higher bits for encoding auxiliary data such as the queue
+ * number. Not nice, but better than additional function arguments. */
+#define NF_VERDICT_MASK 0x0000ffff
+#define NF_VERDICT_BITS 16
+
+#define NF_VERDICT_QMASK 0xffff0000
+#define NF_VERDICT_QBITS 16
+
+#define NF_QUEUE_NR(x) (((x << NF_VERDICT_QBITS) & NF_VERDICT_QMASK) | NF_QUEUE)
+
+/* only for userspace compatibility */
+/* Generic cache responses from hook functions.
+   <= 0x2000 is used for protocol-flags. */
+#define NFC_UNKNOWN 0x4000
+#define NFC_ALTERED 0x8000
+
+enum nf_inet_hooks {
+	NF_INET_PRE_ROUTING,
+	NF_INET_LOCAL_IN,
+	NF_INET_FORWARD,
+	NF_INET_LOCAL_OUT,
+	NF_INET_POST_ROUTING,
+	NF_INET_NUMHOOKS
+};
+
+union nf_inet_addr {
+	u_int32_t	all[4];
+	__be32		ip;
+	__be32		ip6[4];
+	struct in_addr	in;
+	struct in6_addr	in6;
+};
+
+#endif /*__LINUX_NETFILTER_H*/