Re: Clarification regarding USB Data Card (Dongle) enumeration in Linux udev
Greg KH <[email protected]>
| Newsgroups | gmane.linux.hotplug.devel |
|---|---|
| Message-ID | <[email protected]> |
On Mon, May 05, 2014 at 09:13:08AM +0530, Suresh Kumar N. wrote: > Dear Greg, > > Data Card here refers to 3G Dongle. There is not any "standard" for these. > Yes, it is right; device enumeration depends on the device itself. > But, there must be some guideline defined regarding the same. > > As per the link (http://www.linux-usb.org/usb.devices.txt) USB device > cannot be enumerated as Network controllers, please correct me if > something has been overlooked. Not true, I have a usb network device right here. > Would all 3G Dongle devices be enumerated as "ACM USB modems"? Not at all, some show up as a custom USB to serial device, some as a network device, and others as a ACM modem. Again, look at the USB descriptors in the device, that will tell you how the device is to be communicated with. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html