netdev - [PATCH] usbnet: add support for some Huawei modems with cdc-ether ports

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Message-ID: <1303934071.25456.2.camel@dcbw.foobar.com>
Date:	Wed, 27 Apr 2011 14:54:28 -0500
From:	Dan Williams <dcbw@...hat.com>
To:	netdev@...r.kernel.org
Cc:	Oliver Neukum <oliver@...kum.org>, linux-usb@...r.kernel.org
Subject: [PATCH] usbnet: add support for some Huawei modems with cdc-ether
 ports

Some newer Huawei devices (T-Mobile Rocket, others) have cdc-ether
compatible ports, so recognize and expose them.

Signed-off-by: Dan Williams <dcbw@...hat.com>
---

--- a/drivers/net/usb/cdc_ether.c	2011-04-25 13:49:56.928255316 -0500
+++ b/drivers/net/usb/cdc_ether.c	2011-04-25 13:50:05.487148317 -0500
@@ -458,7 +458,7 @@
 	.manage_power =	cdc_manage_power,
 };
 
-static const struct driver_info mbm_info = {
+static const struct driver_info wwan_info = {
 	.description =	"Mobile Broadband Network Device",
 	.flags =	FLAG_WWAN,
 	.bind = 	cdc_bind,
@@ -469,6 +469,7 @@
 
 /*-------------------------------------------------------------------------*/
 
+#define HUAWEI_VENDOR_ID	0x12D1
 
 static const struct usb_device_id	products [] = {
 /*
@@ -578,8 +579,17 @@
 }, {
 	USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM,
 			USB_CDC_PROTO_NONE),
-	.driver_info = (unsigned long)&mbm_info,
+	.driver_info = (unsigned long)&wwan_info,
 
+}, {
+	/* Various Huawei modems with a network port like the UMG1831 */
+	.match_flags    =   USB_DEVICE_ID_MATCH_VENDOR
+		 | USB_DEVICE_ID_MATCH_INT_INFO,
+	.idVendor               = HUAWEI_VENDOR_ID,
+	.bInterfaceClass	= USB_CLASS_COMM,
+	.bInterfaceSubClass	= USB_CDC_SUBCLASS_ETHERNET,
+	.bInterfaceProtocol	= 255,
+	.driver_info = (unsigned long)&wwan_info,
 },
 	{ },		// END
 };


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