Re: [PATCH v3 net-next 2/2] net: deprecate eth_change_mtu, remove usage

[Jakub Kicinski]

On Mon, 17 Oct 2016 18:00:27 +0100, Jakub Kicinski wrote:
> On Mon, 17 Oct 2016 12:49:54 -0400 (EDT), David Miller wrote:
> > From: Jakub Kicinski <kubakici@xxxxx>
> > Date: Mon, 17 Oct 2016 17:20:06 +0100
> >   
> > > Please correct me if I'm wrong but it seems like we are now limiting
> > > _all_ ethernet drivers to ETH_DATA_LEN in net-next.    
> > 
> > No, because the driver can increase the netdev->max_mtu value as needed.  
> 
> But since almost no driver is doing that, yet, right now in net-next
> jumbo frames are not possible, no?  I thought the idea was the leave
> the value at 0 so drivers can opt-in as needed but since setup_ether()
> is initializing to 1500 now all ethernet driver get a default of
> limiting to 1500.
> 
> IOW this patch made checks which were done only in eth_change_mtu()
> mandatory for all drivers.

all ethernet drivers to be clear