Re: [PATCH] net: arp, ipv6: handle special case of tap device
From: David Miller
Date: Wed Oct 03 2018 - 01:25:44 EST
From: Vladis Dronov <vdronov@xxxxxxxxxx>
Date: Mon, 1 Oct 2018 07:32:32 -0400 (EDT)
> Probably, this functionality is already used by some userspace, so I
> believe, I cannot just remove TUNSETLINK ioctl.
Who uses it, how do they use it, and what do they sanely expect about
the link layer header properties of a tap device which has had ->type
changed?