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

[Kurt Kanzenbach]

On Thu Mar 13 2025, 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 at gmail.com>

Great, thanks a lot.

Reviewed-by: Kurt Kanzenbach <kurt at linutronix.de>
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