Subject: Re: [PATCH] usb: gadget: f_rndis: fix usb_interface_descriptor for rndis

From: Lars Melin <[email-masked]>
Date: Wed, 24 Sep 2014 19:25:30 +0700

On 2014-09-24 13:48, Heiko Schocher wrote:
> use the values for RNDIS over Ethernet as defined in
> http://www.usb.org/developers/defined_class
> (search for RDNIS):
>
> - baseclass: 0xef (miscellaneous)
> - subclass: 0x04
> - protocol: 0x01
>
That is usb class, it is not the same thing as communication device class.
> --- a/include/uapi/linux/usb/cdc.h
> +++ b/include/uapi/linux/usb/cdc.h
> @@ -12,6 +12,7 @@
>   #include <linux/types.h>
>   
>   #define USB_CDC_SUBCLASS_ACM			0x02
> +#define USB_CDC_SUBCLASS_RNDIS			0x04
No, no, no.
There is no CDC_SUBCLASS_RNDIS and you can not define one over an 
already used cdc subclass number,  0x04 is  Multi-Channel Control Model