--- /dev/null
+#ifndef _BITS_TCPIP_H
+#define _BITS_TCPIP_H
+
+/** @file
+ *
+ * Transport-network layer interface
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+extern uint16_t x86_tcpip_continue_chksum ( uint16_t partial,
+ const void *data, size_t len );
+
+#define tcpip_continue_chksum x86_tcpip_continue_chksum
+
+#endif /* _BITS_TCPIP_H */