Subject: Re: [ANNOUNCEMENT] NET: usb: sierra_net.c driver

From: Ben Hutchings <[email-masked]>
Date: Mon, 29 Mar 2010 01:44:02 +0100

On Sun, 2010-03-28 at 15:12 -0400, Stephen Clark wrote:
> On 03/28/2010 11:57 AM, Marcel Holtmann wrote:
> > Hi Elina,
> >
> >> +static const struct driver_info sierra_net_info_68A3 = {
> >> +	.description = "Sierra Wireless USB-Ethernet Modem",
> >> +	.flags = FLAG_ETHER | FLAG_SEND_ZLP,
> >> +	.bind = sierra_net_bind,
> >> +	.unbind = sierra_net_unbind,
> >> +	.status = sierra_net_status,
> >> +	.rx_fixup = sierra_net_rx_fixup,
> >> +	.tx_fixup = sierra_net_tx_fixup,
> >> +	.data = (unsigned long)&sierra_net_info_data_68A3,
> >> +};
> >
> > the FLAG_ETHER is wrong here. Please use FLAG_WWAN to clearly mark these
> > interfaces.
> >
> > Otherwise we have wrong DEVTYPE uevent assignments and userspace will
> > treat them as real Ethernet cards. And that should not happen. As a nice
> Why shouldn't that happen if they look like NIC cards?
[...]

This information is important for management interfaces.  The user
doesn't care what your device looks like at the kernel level - they know
it's a wireless broadband device and they expect to see a device
labelled as such in Network Manager or whatever they use.

Ben.

-- 
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.