ebtables-compat: add mark target extension

Translate the mark target extension to the xtables-compat environment.

Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/include/linux/netfilter_bridge/ebt_mark_t.h b/include/linux/netfilter_bridge/ebt_mark_t.h
new file mode 100644
index 00000000..7d5a268a
--- /dev/null
+++ b/include/linux/netfilter_bridge/ebt_mark_t.h
@@ -0,0 +1,23 @@
+#ifndef __LINUX_BRIDGE_EBT_MARK_T_H
+#define __LINUX_BRIDGE_EBT_MARK_T_H
+
+/* The target member is reused for adding new actions, the
+ * value of the real target is -1 to -NUM_STANDARD_TARGETS.
+ * For backward compatibility, the 4 lsb (2 would be enough,
+ * but let's play it safe) are kept to designate this target.
+ * The remaining bits designate the action. By making the set
+ * action 0xfffffff0, the result will look ok for older
+ * versions. [September 2006] */
+#define MARK_SET_VALUE (0xfffffff0)
+#define MARK_OR_VALUE  (0xffffffe0)
+#define MARK_AND_VALUE (0xffffffd0)
+#define MARK_XOR_VALUE (0xffffffc0)
+
+struct ebt_mark_t_info {
+	unsigned long mark;
+	/* EBT_ACCEPT, EBT_DROP, EBT_CONTINUE or EBT_RETURN */
+	int target;
+};
+#define EBT_MARK_TARGET "mark"
+
+#endif