linux-kernel - Re: [Intel-wired-lan] [PATCH iwl-next] igc: enable HW vlan tag insertion/stripping by default

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Message-ID: <CALjTZvZYFEqSGZvSfthsTC5sOkVixAFyPg0Jj7eXZ0tac4QS8w@mail.gmail.com>
Date: Fri, 28 Mar 2025 15:01:09 +0000
From: Rui Salvaterra <rsalvaterra@...il.com>
To: Mor Bar-Gabay <morx.bar.gabay@...el.com>
Cc: anthony.l.nguyen@...el.com, przemyslaw.kitszel@...el.com, 
	edumazet@...gle.com, kuba@...nel.org, intel-wired-lan@...ts.osuosl.org, 
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [Intel-wired-lan] [PATCH iwl-next] igc: enable HW vlan tag
 insertion/stripping by default

Hi again, everyone,

Just a quick question: this is scheduled for 6.16, it's too late for
6.15, correct?

Kind regards,
Rui Salvaterra


On Thu, 27 Mar 2025 at 12:54, Mor Bar-Gabay <morx.bar.gabay@...el.com> wrote:
>
> On 13/03/2025 11:35, Rui Salvaterra wrote:
> > This is enabled by default in other Intel drivers I've checked (e1000, e1000e,
> > iavf, igb and ice). Fixes an out-of-the-box performance issue when running
> > OpenWrt on typical mini-PCs with igc-supported Ethernet controllers and 802.1Q
> > VLAN configurations, as ethtool isn't part of the default packages and sane
> > defaults are expected.
> >
> > In my specific case, with an Intel N100-based machine with four I226-V Ethernet
> > controllers, my upload performance increased from under 30 Mb/s to the expected
> > ~1 Gb/s.
> >
> > Signed-off-by: Rui Salvaterra <rsalvaterra@...il.com>
> > Reviewed-by: Simon Horman <horms@...nel.org>
> > Reviewed-by: Vitaly Lifshits <vitaly.lifshits@...el.com>
> > Reviewed-by: Kurt Kanzenbach <kurt@...utronix.de>
> > ---
> >   drivers/net/ethernet/intel/igc/igc_main.c | 3 +++
> >   1 file changed, 3 insertions(+)
> >
> Tested-by: Mor Bar-Gabay <morx.bar.gabay@...el.com>