netdev - Re: [net-next PATCH 0/2] Follow-ups for GUEoIPv6 patches

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Date:	Wed, 18 May 2016 16:31:46 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	Alexander Duyck <alexander.duyck@...il.com>
Cc:	Alexander Duyck <aduyck@...antis.com>,
	Tom Herbert <tom@...bertland.com>,
	intel-wired-lan <intel-wired-lan@...ts.osuosl.org>,
	Netdev <netdev@...r.kernel.org>,
	Kernel Team <kernel-team@...com>,
	David Miller <davem@...emloft.net>
Subject: Re: [net-next PATCH 0/2] Follow-ups for GUEoIPv6 patches

On Wed, 2016-05-18 at 16:19 -0700, Alexander Duyck wrote:
> On Wed, May 18, 2016 at 2:27 PM, Jeff Kirsher
> <jeffrey.t.kirsher@...el.com> wrote:
> > On Wed, 2016-05-18 at 10:44 -0700, Alexander Duyck wrote:
> >> This patch series is meant to be applied after:
> >> [PATCH v7 net-next 00/16] ipv6: Enable GUEoIPv6 and more fixes for v6
> >> tunneling
> >>
> >> The first patch addresses an issue we already resolved in the GREv4
> and
> >> is
> >> now present in GREv6 with the introduction of FOU/GUE for IPv6 based
> GRE
> >> tunnels.
> >>
> >> The second patch goes through and enables IPv6 tunnel offloads for the
> >> Intel
> >> NICs that already support the IPv4 based IP-in-IP tunnel offloads.  I
> >> have
> >> only done a bit of touch testing but have seen ~20 Gb/s over an i40e
> >> interface using a v4-in-v6 tunnel, and I have verified IPv6 GRE is
> still
> >> passing traffic at around the same rate.  I plan to do further testing
> >> but
> >> with these patches present it should enable a wider audience to be
> able
> >> to
> >> test the new features introduced in Tom's patchset with hardware
> >> offloads.
> >>
> >> ---
> >>
> >> Alexander Duyck (2):
> >>       ip6_gre: Do not allow segmentation offloads GRE_CSUM is enabled
> >> with FOU/GUE
> >>       intel: Add support for IPv6 IP-in-IP offload
> >
> > Dave, I have this series added to my queue.
> 
> Jeff,
> 
> If Tom's patches make it in for 4.7, then I would like to see if we
> could push these patches for "net" since essentially the first patch
> is a fix for Tom's earlier patches and the second is needed in order
> to really be able to test Tom's patches with a driver that actually
> supports a hardware offload.

Yeah, I was thinking that very same thing.  I will wait to see if Dave
sucks this into 4.7 or not and plan accordingly.  I also figured out that
your two patch series needs to have Tom's series applied before hand, so I
will be adding Tom's series to my tree just for testing purposes.
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