zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/app/iptables/extensions/libipt_NETMAP.man b/ap/app/iptables/extensions/libipt_NETMAP.man
new file mode 100755
index 0000000..a7e90b8
--- /dev/null
+++ b/ap/app/iptables/extensions/libipt_NETMAP.man
@@ -0,0 +1,9 @@
+This target allows you to statically map a whole network of addresses onto
+another network of addresses. It can only be used from rules in the
+.B nat
+table.
+.TP
+\fB\-\-to\fP \fIaddress\fP[\fB/\fP\fImask\fP]
+Network address to map to. The resulting address will be constructed in the
+following way: All 'one' bits in the mask are filled in from the new `address'.
+All bits that are zero in the mask are filled in from the original address.