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Message-ID: <20130725143206.03f4975a@nehalam.linuxnetplumber.net> Date: Thu, 25 Jul 2013 14:32:06 -0700 From: Stephen Hemminger <stephen@...workplumber.org> To: Ben Hutchings <bhutchings@...arflare.com> Cc: Helmut Grohne <h.grohne@...nusnetworks.de>, David Miller <davem@...emloft.net>, <netdev@...r.kernel.org> Subject: Re: [PATCH net-next 2/3] tuntap: allow overriding ethtool driver info On Thu, 25 Jul 2013 22:19:17 +0100 Ben Hutchings <bhutchings@...arflare.com> wrote: > On Wed, 2013-07-24 at 17:16 -0700, Stephen Hemminger wrote: > > On Thu, 25 Jul 2013 00:48:07 +0100 > > Ben Hutchings <bhutchings@...arflare.com> wrote: > > > > > On Wed, 2013-07-24 at 16:13 -0700, Stephen Hemminger wrote: > > > > This patch adds new ioctl to allow setting the ethtool information > > > > returned by the TUN device. This is useful when using tun device as a surrogate > > > > for hardware or other software emulation. > > > > > > I don't like this idea. Which tools are you trying to fool? How does > > > this work when you don't implement any driver-specific behaviour (e.g. > > > SIOCDEVPRIVATE) they expect? > > > > We use surrogate interfaces in user mode application and want to > > display different information for these than the normal TUN device. > > What is the problem that can't be solved purely in userland? > > Ben. > There applications (like SNMP) that use ethtool info. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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