[NETFILTER]: Add ipt_policy/ip6t_policy matches

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 104 insertions, 0 deletions

diff --git a/include/linux/netfilter_ipv4/ipt_policy.h b/include/linux/netfilter_ipv4/ipt_policy.h
new file mode 100644
index 0000000..7fd1bec
--- /dev/null
+++ b/include/linux/netfilter_ipv4/ipt_policy.h
@@ -0,0 +1,52 @@
+#ifndef _IPT_POLICY_H
+#define _IPT_POLICY_H
+
+#define IPT_POLICY_MAX_ELEM	4
+
+enum ipt_policy_flags
+{
+	IPT_POLICY_MATCH_IN	= 0x1,
+	IPT_POLICY_MATCH_OUT	= 0x2,
+	IPT_POLICY_MATCH_NONE	= 0x4,
+	IPT_POLICY_MATCH_STRICT	= 0x8,
+};
+
+enum ipt_policy_modes
+{
+	IPT_POLICY_MODE_TRANSPORT,
+	IPT_POLICY_MODE_TUNNEL
+};
+
+struct ipt_policy_spec
+{
+	u_int8_t	saddr:1,
+			daddr:1,
+			proto:1,
+			mode:1,
+			spi:1,
+			reqid:1;
+};
+
+struct ipt_policy_elem
+{
+	u_int32_t	saddr;
+	u_int32_t	smask;
+	u_int32_t	daddr;
+	u_int32_t	dmask;
+	u_int32_t	spi;
+	u_int32_t	reqid;
+	u_int8_t	proto;
+	u_int8_t	mode;
+
+	struct ipt_policy_spec	match;
+	struct ipt_policy_spec	invert;
+};
+
+struct ipt_policy_info
+{
+	struct ipt_policy_elem pol[IPT_POLICY_MAX_ELEM];
+	u_int16_t flags;
+	u_int16_t len;
+};
+
+#endif /* _IPT_POLICY_H */
diff --git a/include/linux/netfilter_ipv6/ip6t_policy.h b/include/linux/netfilter_ipv6/ip6t_policy.h
new file mode 100644
index 0000000..5a93afc
--- /dev/null
+++ b/include/linux/netfilter_ipv6/ip6t_policy.h
@@ -0,0 +1,52 @@
+#ifndef _IP6T_POLICY_H
+#define _IP6T_POLICY_H
+
+#define IP6T_POLICY_MAX_ELEM	4
+
+enum ip6t_policy_flags
+{
+	IP6T_POLICY_MATCH_IN		= 0x1,
+	IP6T_POLICY_MATCH_OUT		= 0x2,
+	IP6T_POLICY_MATCH_NONE		= 0x4,
+	IP6T_POLICY_MATCH_STRICT	= 0x8,
+};
+
+enum ip6t_policy_modes
+{
+	IP6T_POLICY_MODE_TRANSPORT,
+	IP6T_POLICY_MODE_TUNNEL
+};
+
+struct ip6t_policy_spec
+{
+	u_int8_t	saddr:1,
+			daddr:1,
+			proto:1,
+			mode:1,
+			spi:1,
+			reqid:1;
+};
+
+struct ip6t_policy_elem
+{
+	struct in6_addr	saddr;
+	struct in6_addr	smask;
+	struct in6_addr	daddr;
+	struct in6_addr	dmask;
+	u_int32_t	spi;
+	u_int32_t	reqid;
+	u_int8_t	proto;
+	u_int8_t	mode;
+
+	struct ip6t_policy_spec	match;
+	struct ip6t_policy_spec	invert;
+};
+
+struct ip6t_policy_info
+{
+	struct ip6t_policy_elem pol[IP6T_POLICY_MAX_ELEM];
+	u_int16_t flags;
+	u_int16_t len;
+};
+
+#endif /* _IP6T_POLICY_H */