On Thu, Nov 07, 2024 at 12:13:29AM +0100, Sabrina Dubroca wrote:
> This commit extends the set of netdevice features supported by macsec
> devices when offload is enabled, which increases performance
> significantly (for a single TCP stream: 17.5Gbps to 38.5Gbps on my
> test machines).
>
> Commit c850240b6c41 ("net: macsec: report real_dev features when HW
> offloading is enabled") previously attempted something similar, but
> had to be reverted (commit 8bcd560ae878 ("Revert "net: macsec: report
> real_dev features when HW offloading is enabled"")) because the set of
> features it exposed was too large.
>
> During initialization, all features are set, and they're then removed
> via ndo_fix_features (macsec_fix_features). This allows the
> offloadable features to be automatically enabled if offloading is
> turned on after device creation.
>
> Signed-off-by: Sabrina Dubroca <sd@xxxxxxxxxxxxxxx>
Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
