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rndis_host: support WM6 devices as modems

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This patch allows Windows Mobile 6 devices to be used for
tethering -- that is, used as modems.  It was requested by
AdamW in kernel bugzilla:

  http://bugzilla.kernel.org/show_bug.cgi?id=11119

and Mandriva kernel-discuss list.  It is tested and confirmed
to work by Peterl:

  http://forum.eeeuser.com/viewtopic.php?pid=323543#p323543

This patch is based on the patch in the above kernel bugzilla,
which is from the usb-rndis-lite tree.

[ dbrownell@users.sourceforge.net: misc fixes ]
Signed-off-by: Thomas Backlund <tmb@mandriva.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Thomas Backlund 2008-07-22 13:55:58 -07:00 committed by Jeff Garzik
parent 7a2f53ee0b
commit 7e99eeddb3
2 changed files with 14 additions and 1 deletions
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11
drivers/net/usb/cdc_ether.c
View File

@ -50,10 +50,18 @@ static int is_activesync(struct usb_interface_descriptor *desc)
&& desc->bInterfaceProtocol == 1;
}
static int is_wireless_rndis(struct usb_interface_descriptor *desc)
{
return desc->bInterfaceClass == USB_CLASS_WIRELESS_CONTROLLER
&& desc->bInterfaceSubClass == 1
&& desc->bInterfaceProtocol == 3;
}
#else
#define is_rndis(desc) 0
#define is_activesync(desc) 0
#define is_wireless_rndis(desc) 0
#endif
@ -110,7 +118,8 @@ int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
* of cdc-acm, it'll fail RNDIS requests cleanly.
*/
rndis = is_rndis(&intf->cur_altsetting->desc)
|| is_activesync(&intf->cur_altsetting->desc);
|| is_activesync(&intf->cur_altsetting->desc)
|| is_wireless_rndis(&intf->cur_altsetting->desc);
memset(info, 0, sizeof *info);
info->control = intf;

4
drivers/net/usb/rndis_host.c
View File

@ -576,6 +576,10 @@ static const struct usb_device_id products [] = {
/* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */
USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1),
.driver_info = (unsigned long) &rndis_info,
}, {
/* RNDIS for tethering */
USB_INTERFACE_INFO(USB_CLASS_WIRELESS_CONTROLLER, 1, 3),
.driver_info = (unsigned long) &rndis_info,
},
{ }, // END
};