From 17364b805f5b9016bb528241ba91481e3497e5e1 Mon Sep 17 00:00:00 2001
From: Dmitry Bezrukov <dmitry.bezrukov@aquantia.com>
Date: Mon, 26 Nov 2018 09:32:59 +0000
Subject: net: usb: aqc111: Driver skeleton for Aquantia AQtion USB to 5GbE

Initialize usb_driver structure skeleton

Signed-off-by: Dmitry Bezrukov <dmitry.bezrukov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/usb/Kconfig  | 12 ++++++++++++
 drivers/net/usb/Makefile |  1 +
 drivers/net/usb/aqc111.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 61 insertions(+)
 create mode 100644 drivers/net/usb/aqc111.c

diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
index 418b0904cecb..e5fb8ef2d815 100644
--- a/drivers/net/usb/Kconfig
+++ b/drivers/net/usb/Kconfig
@@ -613,4 +613,16 @@ config USB_NET_CH9200
 	  To compile this driver as a module, choose M here: the
 	  module will be called ch9200.
 
+config USB_NET_AQC111
+	tristate "Aquantia AQtion USB to 5/2.5GbE Controllers support"
+	depends on USB_USBNET
+	select CRC32
+	default y
+	help
+	  This option adds support for Aquantia AQtion USB
+	  Ethernet adapters based on AQC111U/AQC112 chips.
+
+	  This driver should work with at least the following devices:
+	  * Aquantia AQtion USB to 5GbE
+
 endif # USB_NET_DRIVERS
diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile
index 27307a4ab003..99fd12be2111 100644
--- a/drivers/net/usb/Makefile
+++ b/drivers/net/usb/Makefile
@@ -40,3 +40,4 @@ obj-$(CONFIG_USB_VL600)		+= lg-vl600.o
 obj-$(CONFIG_USB_NET_QMI_WWAN)	+= qmi_wwan.o
 obj-$(CONFIG_USB_NET_CDC_MBIM)	+= cdc_mbim.o
 obj-$(CONFIG_USB_NET_CH9200)	+= ch9200.o
+obj-$(CONFIG_USB_NET_AQC111)	+= aqc111.o
diff --git a/drivers/net/usb/aqc111.c b/drivers/net/usb/aqc111.c
new file mode 100644
index 000000000000..96aca929b570
--- /dev/null
+++ b/drivers/net/usb/aqc111.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* Aquantia Corp. Aquantia AQtion USB to 5GbE Controller
+ * Copyright (C) 2003-2005 David Hollis <dhollis@davehollis.com>
+ * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
+ * Copyright (C) 2002-2003 TiVo Inc.
+ * Copyright (C) 2017-2018 ASIX
+ * Copyright (C) 2018 Aquantia Corp.
+ */
+
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/mii.h>
+#include <linux/usb.h>
+#include <linux/usb/cdc.h>
+#include <linux/usb/usbnet.h>
+
+static const struct driver_info aqc111_info = {
+	.description	= "Aquantia AQtion USB to 5GbE Controller",
+};
+
+#define AQC111_USB_ETH_DEV(vid, pid, table) \
+	USB_DEVICE_INTERFACE_CLASS((vid), (pid), USB_CLASS_VENDOR_SPEC), \
+	.driver_info = (unsigned long)&(table) \
+}, \
+{ \
+	USB_DEVICE_AND_INTERFACE_INFO((vid), (pid), \
+				      USB_CLASS_COMM, \
+				      USB_CDC_SUBCLASS_ETHERNET, \
+				      USB_CDC_PROTO_NONE), \
+	.driver_info = (unsigned long)&(table),
+
+static const struct usb_device_id products[] = {
+	{AQC111_USB_ETH_DEV(0x2eca, 0xc101, aqc111_info)},
+	{ },/* END */
+};
+MODULE_DEVICE_TABLE(usb, products);
+
+static struct usb_driver aq_driver = {
+	.name		= "aqc111",
+	.id_table	= products,
+	.probe		= usbnet_probe,
+	.disconnect	= usbnet_disconnect,
+};
+
+module_usb_driver(aq_driver);
+
+MODULE_DESCRIPTION("Aquantia AQtion USB to 5/2.5GbE Controllers");
+MODULE_LICENSE("GPL");
-- 
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