1 files changed, 81 insertions, 0 deletions
diff --git a/include/uapi/linux/netfilter_ipv4.h b/include/uapi/linux/netfilter_ipv4.h
new file mode 100644
index 000000000000..91ddd1f6fd4b
--- /dev/null
+++ b/include/uapi/linux/netfilter_ipv4.h
@@ -0,0 +1,81 @@
+/* IPv4-specific defines for netfilter. 
+ * (C)1998 Rusty Russell -- This code is GPL.
+ */
+#ifndef _UAPI__LINUX_IP_NETFILTER_H
+#define _UAPI__LINUX_IP_NETFILTER_H
+
+
+#include <linux/netfilter.h>
+
+/* only for userspace compatibility */
+#ifndef __KERNEL__
+
+#include <limits.h> /* for INT_MIN, INT_MAX */
+
+/* IP Cache bits. */
+/* Src IP address. */
+#define NFC_IP_SRC		0x0001
+/* Dest IP address. */
+#define NFC_IP_DST		0x0002
+/* Input device. */
+#define NFC_IP_IF_IN		0x0004
+/* Output device. */
+#define NFC_IP_IF_OUT		0x0008
+/* TOS. */
+#define NFC_IP_TOS		0x0010
+/* Protocol. */
+#define NFC_IP_PROTO		0x0020
+/* IP options. */
+#define NFC_IP_OPTIONS		0x0040
+/* Frag & flags. */
+#define NFC_IP_FRAG		0x0080
+
+/* Per-protocol information: only matters if proto match. */
+/* TCP flags. */
+#define NFC_IP_TCPFLAGS		0x0100
+/* Source port. */
+#define NFC_IP_SRC_PT		0x0200
+/* Dest port. */
+#define NFC_IP_DST_PT		0x0400
+/* Something else about the proto */
+#define NFC_IP_PROTO_UNKNOWN	0x2000
+
+/* IP Hooks */
+/* After promisc drops, checksum checks. */
+#define NF_IP_PRE_ROUTING	0
+/* If the packet is destined for this box. */
+#define NF_IP_LOCAL_IN		1
+/* If the packet is destined for another interface. */
+#define NF_IP_FORWARD		2
+/* Packets coming from a local process. */
+#define NF_IP_LOCAL_OUT		3
+/* Packets about to hit the wire. */
+#define NF_IP_POST_ROUTING	4
+#define NF_IP_NUMHOOKS		5
+#endif /* ! __KERNEL__ */
+
+enum nf_ip_hook_priorities {
+	NF_IP_PRI_FIRST = INT_MIN,
+	NF_IP_PRI_CONNTRACK_DEFRAG = -400,
+	NF_IP_PRI_RAW = -300,
+	NF_IP_PRI_SELINUX_FIRST = -225,
+	NF_IP_PRI_CONNTRACK = -200,
+	NF_IP_PRI_MANGLE = -150,
+	NF_IP_PRI_NAT_DST = -100,
+	NF_IP_PRI_FILTER = 0,
+	NF_IP_PRI_SECURITY = 50,
+	NF_IP_PRI_NAT_SRC = 100,
+	NF_IP_PRI_SELINUX_LAST = 225,
+	NF_IP_PRI_CONNTRACK_HELPER = 300,
+	NF_IP_PRI_CONNTRACK_CONFIRM = INT_MAX,
+	NF_IP_PRI_LAST = INT_MAX,
+};
+
+/* Arguments for setsockopt SOL_IP: */
+/* 2.0 firewalling went from 64 through 71 (and +256, +512, etc). */
+/* 2.2 firewalling (+ masq) went from 64 through 76 */
+/* 2.4 firewalling went 64 through 67. */
+#define SO_ORIGINAL_DST 80
+
+
+#endif /* _UAPI__LINUX_IP_NETFILTER_H */