On Mon, May 5, 2014 at 10:39 PM, Greg KH <greg@xxxxxxxxx> wrote: > 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. In such a case, who configures or should configure IP address to this network device?. > >> 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. So it all depends on the Vendor (providing the 3G Dongle) about how the device gets enumerated (again based on the USB descriptors in the device). > > Again, look at the USB descriptors in the device, that will tell you how > the device is to be communicated with. Thanks for the information Greg. > > greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
