Merge branch 'next' into for-linus

Prepare second round of input updates for 5.3 merge window.

39 files changed, 214 insertions, 520 deletions

diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
index 860352a525fb..05bdcc5917f6 100644
--- a/drivers/net/usb/Kconfig
+++ b/drivers/net/usb/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # USB Network devices configuration
 #
diff --git a/drivers/net/usb/aqc111.c b/drivers/net/usb/aqc111.c
index aff995be2a31..7e44110746dd 100644
--- a/drivers/net/usb/aqc111.c
+++ b/drivers/net/usb/aqc111.c
@@ -437,7 +437,7 @@ static int aqc111_change_mtu(struct net_device *net, int new_mtu)
 	aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
 			   2, &reg16);
 
-	if (dev->net->mtu > 12500 && dev->net->mtu <= 16334) {
+	if (dev->net->mtu > 12500) {
 		memcpy(buf, &AQC111_BULKIN_SIZE[2], 5);
 		/* RX bulk configuration */
 		aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_RX_BULKIN_QCTRL,
@@ -451,7 +451,7 @@ static int aqc111_change_mtu(struct net_device *net, int new_mtu)
 		reg16 = 0x1020;
 	else if (dev->net->mtu <= 12500)
 		reg16 = 0x1420;
-	else if (dev->net->mtu <= 16334)
+	else
 		reg16 = 0x1A20;
 
 	aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_PAUSE_WATERLVL_LOW,
diff --git a/drivers/net/usb/asix.h b/drivers/net/usb/asix.h
index 9a4171b90947..3b53685301de 100644
--- a/drivers/net/usb/asix.h
+++ b/drivers/net/usb/asix.h
@@ -1,22 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * ASIX AX8817X based USB 2.0 Ethernet Devices
  * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
  * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
  * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
  * Copyright (c) 2002-2003 TiVo Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef _ASIX_H
diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c
index 023b8d0bf175..b39ee714fb01 100644
--- a/drivers/net/usb/asix_common.c
+++ b/drivers/net/usb/asix_common.c
@@ -1,22 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * ASIX AX8817X based USB 2.0 Ethernet Devices
  * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
  * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
  * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
  * Copyright (c) 2002-2003 TiVo Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "asix.h"
diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
index 3d93993e74da..c9bc96310ed4 100644
--- a/drivers/net/usb/asix_devices.c
+++ b/drivers/net/usb/asix_devices.c
@@ -1,22 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * ASIX AX8817X based USB 2.0 Ethernet Devices
  * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
  * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
  * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
  * Copyright (c) 2002-2003 TiVo Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "asix.h"
diff --git a/drivers/net/usb/ax88172a.c b/drivers/net/usb/ax88172a.c
index 501576f53854..011bd4cb546e 100644
--- a/drivers/net/usb/ax88172a.c
+++ b/drivers/net/usb/ax88172a.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * ASIX AX88172A based USB 2.0 Ethernet Devices
  * Copyright (C) 2012 OMICRON electronics GmbH
@@ -9,19 +10,6 @@
  * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
  * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
  * Copyright (c) 2002-2003 TiVo Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "asix.h"
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index 2207f7a7d1ff..0bc457ba8574 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * ASIX AX88179/178A USB 3.0/2.0 to Gigabit Ethernet Devices
  *
  * Copyright (C) 2011-2013 ASIX
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <linux/module.h>
diff --git a/drivers/net/usb/catc.c b/drivers/net/usb/catc.c
index 424053bd8b21..1e58702c737f 100644
--- a/drivers/net/usb/catc.c
+++ b/drivers/net/usb/catc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Copyright (c) 2001 Vojtech Pavlik
  *
@@ -13,18 +14,6 @@
  */
 
 /*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or 
- * (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  * 
  * Should you need to contact me, the author, you can do so either by
  * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c
index 63aaae487995..bcabd39d136a 100644
--- a/drivers/net/usb/cdc-phonet.c
+++ b/drivers/net/usb/cdc-phonet.c
@@ -1,23 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * phonet.c -- USB CDC Phonet host driver
  *
  * Copyright (C) 2008-2009 Nokia Corporation. All rights reserved.
  *
  * Author: Rémi Denis-Courmont
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
  */
 
 #include <linux/kernel.h>
diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c
index 61ea4eaace5d..0eeec80bec31 100644
--- a/drivers/net/usb/cdc_eem.c
+++ b/drivers/net/usb/cdc_eem.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * USB CDC EEM network interface driver
  * Copyright (C) 2009 Oberthur Technologies
  * by Omar Laazimani, Olivier Condemine
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <linux/module.h>
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 3e9b2c319e45..8458e88c18e9 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * CDC Ethernet based networking peripherals
  * Copyright (C) 2003-2005 by David Brownell
  * Copyright (C) 2006 by Ole Andre Vadla Ravnas (ActiveSync)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 // #define	DEBUG			// error path messages, extra info
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index 0362acd5cdca..eb100eb33de3 100644
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2012  Smith Micro Software, Inc.
  * Copyright (c) 2012  Bjørn Mork <bjorn@mork.no>
  *
  * This driver is based on and reuse most of cdc_ncm, which is
  * Copyright (C) ST-Ericsson 2010-2012
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
  */
 
 #include <linux/module.h>
@@ -23,6 +20,7 @@
 #include <linux/usb/cdc_ncm.h>
 #include <net/ipv6.h>
 #include <net/addrconf.h>
+#include <net/ipv6_stubs.h>
 
 /* alternative VLAN for IP session 0 if not untagged */
 #define MBIM_IPS0_VID	4094
diff --git a/drivers/net/usb/cdc_subset.c b/drivers/net/usb/cdc_subset.c
index 6ea98cff2d3b..32637df0f4cc 100644
--- a/drivers/net/usb/cdc_subset.c
+++ b/drivers/net/usb/cdc_subset.c
@@ -1,19 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Simple "CDC Subset" USB Networking Links
  * Copyright (C) 2000-2005 by David Brownell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <linux/module.h>
diff --git a/drivers/net/usb/cx82310_eth.c b/drivers/net/usb/cx82310_eth.c
index 947bea81d924..5519248a791e 100644
--- a/drivers/net/usb/cx82310_eth.c
+++ b/drivers/net/usb/cx82310_eth.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Driver for USB ethernet port of Conexant CX82310-based ADSL routers
  * Copyright (C) 2010 by Ondrej Zary
  * some parts inspired by the cxacru driver
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <linux/module.h>
diff --git a/drivers/net/usb/gl620a.c b/drivers/net/usb/gl620a.c
index ba1ce1006c4f..13a9a83b8538 100644
--- a/drivers/net/usb/gl620a.c
+++ b/drivers/net/usb/gl620a.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * GeneSys GL620USB-A based links
  * Copyright (C) 2001 by Jiun-Jie Huang <huangjj@genesyslogic.com.tw>
  * Copyright (C) 2001 by Stanislav Brabec <utx@penguin.cz>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 // #define	DEBUG			// error path messages, extra info
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index d6916f787fce..ce78714f536f 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /******************************************************************************
  *
  * Driver for Option High Speed Mobile Devices.
@@ -11,21 +12,6 @@
  *  Copyright (C) 2008 Greg Kroah-Hartman <gregkh@suse.de>
  *  Copyright (C) 2008 Novell, Inc.
  *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 as
- *  published by the Free Software Foundation.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
- *  USA
- *
- *
  *****************************************************************************/
 
 /******************************************************************************
diff --git a/drivers/net/usb/huawei_cdc_ncm.c b/drivers/net/usb/huawei_cdc_ncm.c
index 63f28908afda..e15a472c6a54 100644
--- a/drivers/net/usb/huawei_cdc_ncm.c
+++ b/drivers/net/usb/huawei_cdc_ncm.c
@@ -1,8 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /* huawei_cdc_ncm.c - handles Huawei devices using the CDC NCM protocol as
  * transport layer.
  * Copyright (C) 2013	 Enrico Mioso <mrkiko.rs@gmail.com>
  *
- *
  * ABSTRACT:
  * This driver handles devices resembling the CDC NCM standard, but
  * encapsulating another protocol inside it. An example are some Huawei 3G
@@ -11,10 +11,6 @@
  * This code has been heavily inspired by the cdc_mbim.c driver, which is
  * Copyright (c) 2012  Smith Micro Software, Inc.
  * Copyright (c) 2012  Bjørn Mork <bjorn@mork.no>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
  */
 
 #include <linux/module.h>
diff --git a/drivers/net/usb/int51x1.c b/drivers/net/usb/int51x1.c
index ae2b2563460b..cb5bc1a7fa5a 100644
--- a/drivers/net/usb/int51x1.c
+++ b/drivers/net/usb/int51x1.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (c) 2009 Peter Holik
  *
@@ -9,18 +10,6 @@
  */
 
 /*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or.
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <linux/module.h>
diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c
index 3d8a70d3ea9b..8c01fbf68a89 100644
--- a/drivers/net/usb/ipheth.c
+++ b/drivers/net/usb/ipheth.c
@@ -54,17 +54,6 @@
 #include <linux/workqueue.h>
 
 #define USB_VENDOR_APPLE        0x05ac
-#define USB_PRODUCT_IPHONE      0x1290
-#define USB_PRODUCT_IPHONE_3G   0x1292
-#define USB_PRODUCT_IPHONE_3GS  0x1294
-#define USB_PRODUCT_IPHONE_4	0x1297
-#define USB_PRODUCT_IPAD 0x129a
-#define USB_PRODUCT_IPAD_2	0x12a2
-#define USB_PRODUCT_IPAD_3	0x12a6
-#define USB_PRODUCT_IPAD_MINI    0x12ab
-#define USB_PRODUCT_IPHONE_4_VZW 0x129c
-#define USB_PRODUCT_IPHONE_4S	0x12a0
-#define USB_PRODUCT_IPHONE_5	0x12a8
 
 #define IPHETH_USBINTF_CLASS    255
 #define IPHETH_USBINTF_SUBCLASS 253
@@ -88,50 +77,9 @@
 #define IPHETH_CARRIER_ON       0x04
 
 static const struct usb_device_id ipheth_table[] = {
-	{ USB_DEVICE_AND_INTERFACE_INFO(
-		USB_VENDOR_APPLE, USB_PRODUCT_IPHONE,
-		IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
-		IPHETH_USBINTF_PROTO) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(
-		USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_3G,
-		IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
-		IPHETH_USBINTF_PROTO) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(
-		USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_3GS,
-		IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
-		IPHETH_USBINTF_PROTO) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(
-		USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_4,
-		IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
-		IPHETH_USBINTF_PROTO) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(
-		USB_VENDOR_APPLE, USB_PRODUCT_IPAD,
-		IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
-		IPHETH_USBINTF_PROTO) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(
-		USB_VENDOR_APPLE, USB_PRODUCT_IPAD_2,
-		IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
-		IPHETH_USBINTF_PROTO) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(
-		USB_VENDOR_APPLE, USB_PRODUCT_IPAD_3,
-		IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
-		IPHETH_USBINTF_PROTO) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(
-		USB_VENDOR_APPLE, USB_PRODUCT_IPAD_MINI,
-		IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
-		IPHETH_USBINTF_PROTO) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(
-		USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_4_VZW,
-		IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
-		IPHETH_USBINTF_PROTO) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(
-		USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_4S,
-		IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
-		IPHETH_USBINTF_PROTO) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(
-		USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_5,
-		IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
-		IPHETH_USBINTF_PROTO) },
+	{ USB_VENDOR_AND_INTERFACE_INFO(USB_VENDOR_APPLE, IPHETH_USBINTF_CLASS,
+					IPHETH_USBINTF_SUBCLASS,
+					IPHETH_USBINTF_PROTO) },
 	{ }
 };
 MODULE_DEVICE_TABLE(usb, ipheth_table);
@@ -293,8 +241,6 @@ static int ipheth_carrier_set(struct ipheth_device *dev)
 	struct usb_device *udev;
 	int retval;
 
-	if (!dev)
-		return 0;
 	if (!dev->confirmed_pairing)
 		return 0;
 
@@ -437,17 +383,18 @@ static int ipheth_tx(struct sk_buff *skb, struct net_device *net)
 			  dev);
 	dev->tx_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 
+	netif_stop_queue(net);
 	retval = usb_submit_urb(dev->tx_urb, GFP_ATOMIC);
 	if (retval) {
 		dev_err(&dev->intf->dev, "%s: usb_submit_urb: %d\n",
 			__func__, retval);
 		dev->net->stats.tx_errors++;
 		dev_kfree_skb_any(skb);
+		netif_wake_queue(net);
 	} else {
 		dev->net->stats.tx_packets++;
 		dev->net->stats.tx_bytes += skb->len;
 		dev_consume_skb_any(skb);
-		netif_stop_queue(net);
 	}
 
 	return NETDEV_TX_OK;
diff --git a/drivers/net/usb/kalmia.c b/drivers/net/usb/kalmia.c
index bd2ba3659028..d62b6706a537 100644
--- a/drivers/net/usb/kalmia.c
+++ b/drivers/net/usb/kalmia.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * USB network interface driver for Samsung Kalmia based LTE USB modem like the
  * Samsung GT-B3730 and GT-B3710.
@@ -7,11 +8,6 @@
  * Sponsored by Quicklink Video Distribution Services Ltd.
  *
  * Based on the cdc_eem module.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 
 #include <linux/module.h>
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index 913e50bab0a2..8e210ba4a313 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /****************************************************************
  *
  *     kaweth.c - driver for KL5KUSB101 based USB->Ethernet
@@ -14,19 +15,6 @@
  *     Also many thanks to Joel Silverman and Ed Surprenant at Kawasaki
  *     for providing the firmware and driver resources.
  *
- *     This program is free software; you can redistribute it and/or
- *     modify it under the terms of the GNU General Public License as
- *     published by the Free Software Foundation; either version 2, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program; if not, see <http://www.gnu.org/licenses/>.
- *
  ****************************************************************/
 
 /* TODO:
diff --git a/drivers/net/usb/lg-vl600.c b/drivers/net/usb/lg-vl600.c
index 257916f172cd..6c2b3e368efe 100644
--- a/drivers/net/usb/lg-vl600.c
+++ b/drivers/net/usb/lg-vl600.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Ethernet interface part of the LG VL600 LTE modem (4G dongle)
  *
  * Copyright (C) 2011 Intel Corporation
  * Author: Andrzej Zaborowski <balrogg@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 #include <linux/etherdevice.h>
 #include <linux/ethtool.h>
diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c
index 5a47e5510ca8..09bfa6a4dfbc 100644
--- a/drivers/net/usb/mcs7830.c
+++ b/drivers/net/usb/mcs7830.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * MOSCHIP MCS7830 based (7730/7830/7832) USB 2.0 Ethernet Devices
  *
@@ -23,20 +24,6 @@
  * - mcs7830_get_regs() handling is weird: for rev 2 we return 32 regs,
  *   can access only ~ 24, remaining user buffer is uninitialized garbage
  * - anything else?
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <linux/crc32.h>
diff --git a/drivers/net/usb/net1080.c b/drivers/net/usb/net1080.c
index 18a13aa5fcbb..1f04f1720426 100644
--- a/drivers/net/usb/net1080.c
+++ b/drivers/net/usb/net1080.c
@@ -1,19 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Net1080 based USB host-to-host cables
  * Copyright (C) 2000-2005 by David Brownell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 // #define	DEBUG			// error path messages, extra info
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 63e44e746ccc..6d25dea5ad4b 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  *  Copyright (c) 1999-2013 Petko Manolov (petkan@nucleusys.com)
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  *	ChangeLog:
  *		....	Most of the time spent on reading sources & docs.
  *		v0.2.x	First official release for the Linux kernel.
diff --git a/drivers/net/usb/pegasus.h b/drivers/net/usb/pegasus.h
index 9b7ea9c9167d..a05b143155ba 100644
--- a/drivers/net/usb/pegasus.h
+++ b/drivers/net/usb/pegasus.h
@@ -1,9 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 1999-2013 Petko Manolov (petkan@nucleusys.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
  */
 
 
diff --git a/drivers/net/usb/plusb.c b/drivers/net/usb/plusb.c
index 6fe59373cba9..17c9c63b8eeb 100644
--- a/drivers/net/usb/plusb.c
+++ b/drivers/net/usb/plusb.c
@@ -1,19 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * PL-2301/2302 USB host-to-host link cables
  * Copyright (C) 2000-2005 by David Brownell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 // #define	DEBUG			// error path messages, extra info
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 679e404a5224..8b4ad10cf940 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2012  Bjørn Mork <bjorn@mork.no>
  *
  * The probing code is heavily inspired by cdc_ether, which is:
  * Copyright (C) 2003-2005 by David Brownell
  * Copyright (C) 2006 by Ole Andre Vadla Ravnas (ActiveSync)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
  */
 
 #include <linux/module.h>
@@ -22,6 +19,7 @@
 #include <linux/usb/cdc.h>
 #include <linux/usb/usbnet.h>
 #include <linux/usb/cdc-wdm.h>
+#include <linux/u64_stats_sync.h>
 
 /* This driver supports wwan (3G/LTE/?) devices using a vendor
  * specific management protocol called Qualcomm MSM Interface (QMI) -
@@ -63,6 +61,7 @@ enum qmi_wwan_flags {
 
 enum qmi_wwan_quirks {
 	QMI_WWAN_QUIRK_DTR = 1 << 0,	/* needs "set DTR" request */
+	QMI_WWAN_QUIRK_QUECTEL_DYNCFG = 1 << 1,	/* check num. endpoints */
 };
 
 struct qmimux_hdr {
@@ -74,6 +73,7 @@ struct qmimux_hdr {
 struct qmimux_priv {
 	struct net_device *real_dev;
 	u8 mux_id;
+	struct pcpu_sw_netstats __percpu *stats64;
 };
 
 static int qmimux_open(struct net_device *dev)
@@ -100,19 +100,65 @@ static netdev_tx_t qmimux_start_xmit(struct sk_buff *skb, struct net_device *dev
 	struct qmimux_priv *priv = netdev_priv(dev);
 	unsigned int len = skb->len;
 	struct qmimux_hdr *hdr;
+	netdev_tx_t ret;
 
 	hdr = skb_push(skb, sizeof(struct qmimux_hdr));
 	hdr->pad = 0;
 	hdr->mux_id = priv->mux_id;
 	hdr->pkt_len = cpu_to_be16(len);
 	skb->dev = priv->real_dev;
-	return dev_queue_xmit(skb);
+	ret = dev_queue_xmit(skb);
+
+	if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) {
+		struct pcpu_sw_netstats *stats64 = this_cpu_ptr(priv->stats64);
+
+		u64_stats_update_begin(&stats64->syncp);
+		stats64->tx_packets++;
+		stats64->tx_bytes += len;
+		u64_stats_update_end(&stats64->syncp);
+	} else {
+		dev->stats.tx_dropped++;
+	}
+
+	return ret;
+}
+
+static void qmimux_get_stats64(struct net_device *net,
+			       struct rtnl_link_stats64 *stats)
+{
+	struct qmimux_priv *priv = netdev_priv(net);
+	unsigned int start;
+	int cpu;
+
+	netdev_stats_to_stats64(stats, &net->stats);
+
+	for_each_possible_cpu(cpu) {
+		struct pcpu_sw_netstats *stats64;
+		u64 rx_packets, rx_bytes;
+		u64 tx_packets, tx_bytes;
+
+		stats64 = per_cpu_ptr(priv->stats64, cpu);
+
+		do {
+			start = u64_stats_fetch_begin_irq(&stats64->syncp);
+			rx_packets = stats64->rx_packets;
+			rx_bytes = stats64->rx_bytes;
+			tx_packets = stats64->tx_packets;
+			tx_bytes = stats64->tx_bytes;
+		} while (u64_stats_fetch_retry_irq(&stats64->syncp, start));
+
+		stats->rx_packets += rx_packets;
+		stats->rx_bytes += rx_bytes;
+		stats->tx_packets += tx_packets;
+		stats->tx_bytes += tx_bytes;
+	}
 }
 
 static const struct net_device_ops qmimux_netdev_ops = {
-	.ndo_open       = qmimux_open,
-	.ndo_stop       = qmimux_stop,
-	.ndo_start_xmit = qmimux_start_xmit,
+	.ndo_open        = qmimux_open,
+	.ndo_stop        = qmimux_stop,
+	.ndo_start_xmit  = qmimux_start_xmit,
+	.ndo_get_stats64 = qmimux_get_stats64,
 };
 
 static void qmimux_setup(struct net_device *dev)
@@ -152,7 +198,7 @@ static bool qmimux_has_slaves(struct usbnet *dev)
 
 static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 {
-	unsigned int len, offset = 0;
+	unsigned int len, offset = 0, pad_len, pkt_len;
 	struct qmimux_hdr *hdr;
 	struct net_device *net;
 	struct sk_buff *skbn;
@@ -170,10 +216,16 @@ static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 		if (hdr->pad & 0x80)
 			goto skip;
 
+		/* extract padding length and check for valid length info */
+		pad_len = hdr->pad & 0x3f;
+		if (len == 0 || pad_len >= len)
+			goto skip;
+		pkt_len = len - pad_len;
+
 		net = qmimux_find_dev(dev, hdr->mux_id);
 		if (!net)
 			goto skip;
-		skbn = netdev_alloc_skb(net, len);
+		skbn = netdev_alloc_skb(net, pkt_len);
 		if (!skbn)
 			return 0;
 		skbn->dev = net;
@@ -190,9 +242,20 @@ static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 			goto skip;
 		}
 
-		skb_put_data(skbn, skb->data + offset + qmimux_hdr_sz, len);
-		if (netif_rx(skbn) != NET_RX_SUCCESS)
+		skb_put_data(skbn, skb->data + offset + qmimux_hdr_sz, pkt_len);
+		if (netif_rx(skbn) != NET_RX_SUCCESS) {
+			net->stats.rx_errors++;
 			return 0;
+		} else {
+			struct pcpu_sw_netstats *stats64;
+			struct qmimux_priv *priv = netdev_priv(net);
+
+			stats64 = this_cpu_ptr(priv->stats64);
+			u64_stats_update_begin(&stats64->syncp);
+			stats64->rx_packets++;
+			stats64->rx_bytes += pkt_len;
+			u64_stats_update_end(&stats64->syncp);
+		}
 
 skip:
 		offset += len + qmimux_hdr_sz;
@@ -216,6 +279,12 @@ static int qmimux_register_device(struct net_device *real_dev, u8 mux_id)
 	priv->mux_id = mux_id;
 	priv->real_dev = real_dev;
 
+	priv->stats64 = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
+	if (!priv->stats64) {
+		err = -ENOBUFS;
+		goto out_free_newdev;
+	}
+
 	err = register_netdevice(new_dev);
 	if (err < 0)
 		goto out_free_newdev;
@@ -240,13 +309,15 @@ out_free_newdev:
 	return err;
 }
 
-static void qmimux_unregister_device(struct net_device *dev)
+static void qmimux_unregister_device(struct net_device *dev,
+				     struct list_head *head)
 {
 	struct qmimux_priv *priv = netdev_priv(dev);
 	struct net_device *real_dev = priv->real_dev;
 
+	free_percpu(priv->stats64);
 	netdev_upper_dev_unlink(real_dev, dev);
-	unregister_netdevice(dev);
+	unregister_netdevice_queue(dev, head);
 
 	/* Get rid of the reference to real_dev */
 	dev_put(real_dev);
@@ -355,8 +426,8 @@ static ssize_t add_mux_store(struct device *d,  struct device_attribute *attr, c
 	if (kstrtou8(buf, 0, &mux_id))
 		return -EINVAL;
 
-	/* mux_id [1 - 0x7f] range empirically found */
-	if (mux_id < 1 || mux_id > 0x7f)
+	/* mux_id [1 - 254] for compatibility with ip(8) and the rmnet driver */
+	if (mux_id < 1 || mux_id > 254)
 		return -EINVAL;
 
 	if (!rtnl_trylock())
@@ -417,7 +488,7 @@ static ssize_t del_mux_store(struct device *d,  struct device_attribute *attr, c
 		ret = -EINVAL;
 		goto err;
 	}
-	qmimux_unregister_device(del_dev);
+	qmimux_unregister_device(del_dev, NULL);
 
 	if (!qmimux_has_slaves(dev))
 		info->flags &= ~QMI_WWAN_FLAG_MUX;
@@ -845,6 +916,16 @@ static const struct driver_info	qmi_wwan_info_quirk_dtr = {
 	.data           = QMI_WWAN_QUIRK_DTR,
 };
 
+static const struct driver_info	qmi_wwan_info_quirk_quectel_dyncfg = {
+	.description	= "WWAN/QMI device",
+	.flags		= FLAG_WWAN | FLAG_SEND_ZLP,
+	.bind		= qmi_wwan_bind,
+	.unbind		= qmi_wwan_unbind,
+	.manage_power	= qmi_wwan_manage_power,
+	.rx_fixup       = qmi_wwan_rx_fixup,
+	.data           = QMI_WWAN_QUIRK_DTR | QMI_WWAN_QUIRK_QUECTEL_DYNCFG,
+};
+
 #define HUAWEI_VENDOR_ID	0x12D1
 
 /* map QMI/wwan function by a fixed interface number */
@@ -865,6 +946,15 @@ static const struct driver_info	qmi_wwan_info_quirk_dtr = {
 #define QMI_GOBI_DEVICE(vend, prod) \
 	QMI_FIXED_INTF(vend, prod, 0)
 
+/* Quectel does not use fixed interface numbers on at least some of their
+ * devices. We need to check the number of endpoints to ensure that we bind to
+ * the correct interface.
+ */
+#define QMI_QUIRK_QUECTEL_DYNCFG(vend, prod) \
+	USB_DEVICE_AND_INTERFACE_INFO(vend, prod, USB_CLASS_VENDOR_SPEC, \
+				      USB_SUBCLASS_VENDOR_SPEC, 0xff), \
+	.driver_info = (unsigned long)&qmi_wwan_info_quirk_quectel_dyncfg
+
 static const struct usb_device_id products[] = {
 	/* 1. CDC ECM like devices match on the control interface */
 	{	/* Huawei E392, E398 and possibly others sharing both device id and more... */
@@ -969,20 +1059,9 @@ static const struct usb_device_id products[] = {
 		USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7),
 		.driver_info = (unsigned long)&qmi_wwan_info,
 	},
-	{	/* Quectel EP06/EG06/EM06 */
-		USB_DEVICE_AND_INTERFACE_INFO(0x2c7c, 0x0306,
-					      USB_CLASS_VENDOR_SPEC,
-					      USB_SUBCLASS_VENDOR_SPEC,
-					      0xff),
-		.driver_info	    = (unsigned long)&qmi_wwan_info_quirk_dtr,
-	},
-	{	/* Quectel EG12/EM12 */
-		USB_DEVICE_AND_INTERFACE_INFO(0x2c7c, 0x0512,
-					      USB_CLASS_VENDOR_SPEC,
-					      USB_SUBCLASS_VENDOR_SPEC,
-					      0xff),
-		.driver_info	    = (unsigned long)&qmi_wwan_info_quirk_dtr,
-	},
+	{QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0125)},	/* Quectel EC25, EC20 R2.0  Mini PCIe */
+	{QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0306)},	/* Quectel EP06/EG06/EM06 */
+	{QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0512)},	/* Quectel EG12/EM12 */
 
 	/* 3. Combined interface devices matching on interface number */
 	{QMI_FIXED_INTF(0x0408, 0xea42, 4)},	/* Yota / Megafon M100-1 */
@@ -1250,6 +1329,8 @@ static const struct usb_device_id products[] = {
 	{QMI_FIXED_INTF(0x1bc7, 0x1101, 3)},	/* Telit ME910 dual modem */
 	{QMI_FIXED_INTF(0x1bc7, 0x1200, 5)},	/* Telit LE920 */
 	{QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)},	/* Telit LE920, LE920A4 */
+	{QMI_QUIRK_SET_DTR(0x1bc7, 0x1260, 2)},	/* Telit LE910Cx */
+	{QMI_QUIRK_SET_DTR(0x1bc7, 0x1261, 2)},	/* Telit LE910Cx */
 	{QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)},	/* Telit LN940 series */
 	{QMI_FIXED_INTF(0x1c9e, 0x9801, 3)},	/* Telewell TW-3G HSPA+ */
 	{QMI_FIXED_INTF(0x1c9e, 0x9803, 4)},	/* Telewell TW-3G HSPA+ */
@@ -1281,7 +1362,6 @@ static const struct usb_device_id products[] = {
 	{QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)},	/* HP lt4120 Snapdragon X5 LTE */
 	{QMI_FIXED_INTF(0x22de, 0x9061, 3)},	/* WeTelecom WPD-600N */
 	{QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)},	/* SIMCom 7100E, 7230E, 7600E ++ */
-	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0125, 4)},	/* Quectel EC25, EC20 R2.0  Mini PCIe */
 	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)},	/* Quectel EC21 Mini PCIe */
 	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)},	/* Quectel EG91 */
 	{QMI_FIXED_INTF(0x2c7c, 0x0296, 4)},	/* Quectel BG96 */
@@ -1361,27 +1441,12 @@ static bool quectel_ec20_detected(struct usb_interface *intf)
 	return false;
 }
 
-static bool quectel_diag_detected(struct usb_interface *intf)
-{
-	struct usb_device *dev = interface_to_usbdev(intf);
-	struct usb_interface_descriptor intf_desc = intf->cur_altsetting->desc;
-	u16 id_vendor = le16_to_cpu(dev->descriptor.idVendor);
-	u16 id_product = le16_to_cpu(dev->descriptor.idProduct);
-
-	if (id_vendor != 0x2c7c || intf_desc.bNumEndpoints != 2)
-		return false;
-
-	if (id_product == 0x0306 || id_product == 0x0512)
-		return true;
-	else
-		return false;
-}
-
 static int qmi_wwan_probe(struct usb_interface *intf,
 			  const struct usb_device_id *prod)
 {
 	struct usb_device_id *id = (struct usb_device_id *)prod;
 	struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc;
+	const struct driver_info *info;
 
 	/* Workaround to enable dynamic IDs.  This disables usbnet
 	 * blacklisting functionality.  Which, if required, can be
@@ -1415,10 +1480,14 @@ static int qmi_wwan_probe(struct usb_interface *intf,
 	 * we need to match on class/subclass/protocol. These values are
 	 * identical for the diagnostic- and QMI-interface, but bNumEndpoints is
 	 * different. Ignore the current interface if the number of endpoints
-	 * the number for the diag interface (two).
+	 * equals the number for the diag interface (two).
 	 */
-	if (quectel_diag_detected(intf))
-		return -ENODEV;
+	info = (void *)id->driver_info;
+
+	if (info->data & QMI_WWAN_QUIRK_QUECTEL_DYNCFG) {
+		if (desc->bNumEndpoints == 2)
+			return -ENODEV;
+	}
 
 	return usbnet_probe(intf, id);
 }
@@ -1429,6 +1498,7 @@ static void qmi_wwan_disconnect(struct usb_interface *intf)
 	struct qmi_wwan_state *info;
 	struct list_head *iter;
 	struct net_device *ldev;
+	LIST_HEAD(list);
 
 	/* called twice if separate control and data intf */
 	if (!dev)
@@ -1441,8 +1511,9 @@ static void qmi_wwan_disconnect(struct usb_interface *intf)
 		}
 		rcu_read_lock();
 		netdev_for_each_upper_dev_rcu(dev->net, ldev, iter)
-			qmimux_unregister_device(ldev);
+			qmimux_unregister_device(ldev, &list);
 		rcu_read_unlock();
+		unregister_netdevice_many(&list);
 		rtnl_unlock();
 		info->flags &= ~QMI_WWAN_FLAG_MUX;
 	}
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 86c8c64fbb0f..e0dcb681cfe5 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1,10 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  *  Copyright (c) 2014 Realtek Semiconductor Corp. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
  */
 
 #include <linux/signal.h>
@@ -1212,7 +1208,6 @@ static int vendor_mac_passthru_addr_read(struct r8152 *tp, struct sockaddr *sa)
 		goto amacout;
 	}
 	memcpy(sa->sa_data, buf, 6);
-	ether_addr_copy(tp->netdev->dev_addr, sa->sa_data);
 	netif_info(tp, probe, tp->netdev,
 		   "Using pass-thru MAC addr %pM\n", sa->sa_data);
 
@@ -1221,43 +1216,57 @@ amacout:
 	return ret;
 }
 
-static int set_ethernet_addr(struct r8152 *tp)
+static int determine_ethernet_addr(struct r8152 *tp, struct sockaddr *sa)
 {
 	struct net_device *dev = tp->netdev;
-	struct sockaddr sa;
 	int ret;
 
+	sa->sa_family = dev->type;
+
 	if (tp->version == RTL_VER_01) {
-		ret = pla_ocp_read(tp, PLA_IDR, 8, sa.sa_data);
+		ret = pla_ocp_read(tp, PLA_IDR, 8, sa->sa_data);
 	} else {
 		/* if device doesn't support MAC pass through this will
 		 * be expected to be non-zero
 		 */
-		ret = vendor_mac_passthru_addr_read(tp, &sa);
+		ret = vendor_mac_passthru_addr_read(tp, sa);
 		if (ret < 0)
-			ret = pla_ocp_read(tp, PLA_BACKUP, 8, sa.sa_data);
+			ret = pla_ocp_read(tp, PLA_BACKUP, 8, sa->sa_data);
 	}
 
 	if (ret < 0) {
 		netif_err(tp, probe, dev, "Get ether addr fail\n");
-	} else if (!is_valid_ether_addr(sa.sa_data)) {
+	} else if (!is_valid_ether_addr(sa->sa_data)) {
 		netif_err(tp, probe, dev, "Invalid ether addr %pM\n",
-			  sa.sa_data);
+			  sa->sa_data);
 		eth_hw_addr_random(dev);
-		ether_addr_copy(sa.sa_data, dev->dev_addr);
-		ret = rtl8152_set_mac_address(dev, &sa);
+		ether_addr_copy(sa->sa_data, dev->dev_addr);
 		netif_info(tp, probe, dev, "Random ether addr %pM\n",
-			   sa.sa_data);
-	} else {
-		if (tp->version == RTL_VER_01)
-			ether_addr_copy(dev->dev_addr, sa.sa_data);
-		else
-			ret = rtl8152_set_mac_address(dev, &sa);
+			   sa->sa_data);
+		return 0;
 	}
 
 	return ret;
 }
 
+static int set_ethernet_addr(struct r8152 *tp)
+{
+	struct net_device *dev = tp->netdev;
+	struct sockaddr sa;
+	int ret;
+
+	ret = determine_ethernet_addr(tp, &sa);
+	if (ret < 0)
+		return ret;
+
+	if (tp->version == RTL_VER_01)
+		ether_addr_copy(dev->dev_addr, sa.sa_data);
+	else
+		ret = rtl8152_set_mac_address(dev, &sa);
+
+	return ret;
+}
+
 static void read_bulk_callback(struct urb *urb)
 {
 	struct net_device *netdev;
@@ -4264,10 +4273,18 @@ static int rtl8152_post_reset(struct usb_interface *intf)
 {
 	struct r8152 *tp = usb_get_intfdata(intf);
 	struct net_device *netdev;
+	struct sockaddr sa;
 
 	if (!tp)
 		return 0;
 
+	/* reset the MAC adddress in case of policy change */
+	if (determine_ethernet_addr(tp, &sa) >= 0) {
+		rtnl_lock();
+		dev_set_mac_address (tp->netdev, &sa, NULL);
+		rtnl_unlock();
+	}
+
 	netdev = tp->netdev;
 	if (!netif_running(netdev))
 		return 0;
diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
index b807c91abe1d..bd9c07888ebb 100644
--- a/drivers/net/usb/rndis_host.c
+++ b/drivers/net/usb/rndis_host.c
@@ -1,19 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Host Side support for RNDIS Networking Links
  * Copyright (C) 2005 by David Brownell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 #include <linux/module.h>
 #include <linux/netdevice.h>
diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
index 59dbdbb5feff..98f33e270af1 100644
--- a/drivers/net/usb/rtl8150.c
+++ b/drivers/net/usb/rtl8150.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  *  Copyright (c) 2002 Petko Manolov (petkan@users.sourceforge.net)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
  */
 
 #include <linux/signal.h>
diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c
index c43087e06696..34c1eaba536c 100644
--- a/drivers/net/usb/sierra_net.c
+++ b/drivers/net/usb/sierra_net.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * USB-to-WWAN Driver for Sierra Wireless modems
  *
@@ -9,19 +10,6 @@
  *
  * IMPORTANT DISCLAIMER: This driver is not commercially supported by
  * Sierra Wireless. Use at your own risk.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #define DRIVER_VERSION "v.2.0"
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index ec287c9741e8..1417a22962a1 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
  /***************************************************************************
  *
  * Copyright (C) 2007-2010 SMSC
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- *
  *****************************************************************************/
 
 #include <linux/module.h>
@@ -774,8 +762,8 @@ static void smsc75xx_init_mac_address(struct usbnet *dev)
 
 	/* maybe the boot loader passed the MAC address in devicetree */
 	mac_addr = of_get_mac_address(dev->udev->dev.of_node);
-	if (mac_addr) {
-		memcpy(dev->net->dev_addr, mac_addr, ETH_ALEN);
+	if (!IS_ERR(mac_addr)) {
+		ether_addr_copy(dev->net->dev_addr, mac_addr);
 		return;
 	}
 
diff --git a/drivers/net/usb/smsc75xx.h b/drivers/net/usb/smsc75xx.h
index 2c7ea8fd184f..49738cabad9a 100644
--- a/drivers/net/usb/smsc75xx.h
+++ b/drivers/net/usb/smsc75xx.h
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
  /***************************************************************************
  *
  * Copyright (C) 2007-2010 SMSC
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- *
  *****************************************************************************/
 
 #ifndef _SMSC75XX_H
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index e3d08626828e..355be77f4241 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
  /***************************************************************************
  *
  * Copyright (C) 2007-2008 SMSC
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- *
  *****************************************************************************/
 
 #include <linux/module.h>
@@ -917,8 +905,8 @@ static void smsc95xx_init_mac_address(struct usbnet *dev)
 
 	/* maybe the boot loader passed the MAC address in devicetree */
 	mac_addr = of_get_mac_address(dev->udev->dev.of_node);
-	if (mac_addr) {
-		memcpy(dev->net->dev_addr, mac_addr, ETH_ALEN);
+	if (!IS_ERR(mac_addr)) {
+		ether_addr_copy(dev->net->dev_addr, mac_addr);
 		return;
 	}
 
diff --git a/drivers/net/usb/smsc95xx.h b/drivers/net/usb/smsc95xx.h
index cfc704f3a460..013bf42e27f2 100644
--- a/drivers/net/usb/smsc95xx.h
+++ b/drivers/net/usb/smsc95xx.h
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
  /***************************************************************************
  *
  * Copyright (C) 2007-2008 SMSC
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- *
  *****************************************************************************/
 
 #ifndef _SMSC95XX_H
diff --git a/drivers/net/usb/sr9700.h b/drivers/net/usb/sr9700.h
index 258b030277e7..ea2b4de621c8 100644
--- a/drivers/net/usb/sr9700.h
+++ b/drivers/net/usb/sr9700.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * CoreChip-sz SR9700 one chip USB 1.1 Ethernet Devices
  *
  * Author : Liu Junliang <liujunliang_ljl@163.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
  */
 
 #ifndef _SR9700_H
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 504282af27e5..72514c46b478 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * USB Network driver infrastructure
  * Copyright (C) 2000-2005 by David Brownell
  * Copyright (C) 2003-2005 David Hollis <dhollis@davehollis.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 /*
@@ -506,6 +494,7 @@ static int rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags)
 
 	if (netif_running (dev->net) &&
 	    netif_device_present (dev->net) &&
+	    test_bit(EVENT_DEV_OPEN, &dev->flags) &&
 	    !test_bit (EVENT_RX_HALT, &dev->flags) &&
 	    !test_bit (EVENT_DEV_ASLEEP, &dev->flags)) {
 		switch (retval = usb_submit_urb (urb, GFP_ATOMIC)) {
@@ -1431,6 +1420,11 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
 		spin_unlock_irqrestore(&dev->txq.lock, flags);
 		goto drop;
 	}
+	if (netif_queue_stopped(net)) {
+		usb_autopm_put_interface_async(dev->intf);
+		spin_unlock_irqrestore(&dev->txq.lock, flags);
+		goto drop;
+	}
 
 #ifdef CONFIG_PM
 	/* if this triggers the device is still a sleep */
diff --git a/drivers/net/usb/zaurus.c b/drivers/net/usb/zaurus.c
index 9c2196c3fd11..8e717a0b559b 100644
--- a/drivers/net/usb/zaurus.c
+++ b/drivers/net/usb/zaurus.c
@@ -1,19 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2002 Pavel Machek <pavel@ucw.cz>
  * Copyright (C) 2002-2005 by David Brownell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 // #define	DEBUG			// error path messages, extra info