--- /dev/null
+++ b/drivers/bcmdrivers/gmac/src/et/sys/et_export.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2013, Broadcom Corporation. All Rights Reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Required functions exported by the port-specific (os-dependent) driver
+ * to common (os-independent) driver code.
+ *
+ * $Id: et_export.h 322208 2012-03-20 01:53:23Z $
+ */
+
+#ifndef _et_export_h_
+#define _et_export_h_
+
+/* misc callbacks */
+extern void et_init(void *et, uint options);
+extern void et_reset(void *et);
+extern void et_link_up(void *et);
+extern void et_link_down(void *et);
+extern bool et_is_link_up(void *et);
+extern int et_up(void *et);
+extern int et_down(void *et, int reset);
+extern void et_dump(void *et, struct bcmstrbuf *b);
+extern void et_intrson(void *et);
+
+/* for BCM5222 dual-phy shared mdio contortion */
+extern void *et_phyfind(void *et, uint coreunit);
+extern uint16 et_phyrd(void *et, uint phyaddr, uint reg);
+extern void et_phywr(void *et, uint reg, uint phyaddr, uint16 val);
+#ifdef HNDCTF
+extern void et_dump_ctf(void *et, struct bcmstrbuf *b);
+#endif
+#endif	/* _et_export_h_ */
diff --git a/drivers/bcmdrivers/gmac/src/et/sys/et_linux.c b/drivers/bcmdrivers/gmac/src/et/sys/et_linux.c
new file mode 100755
index 0000000..e510812
