Re: [PATCH net-next 3/9] net: ethtool: require drivers to opt into the per-RSS ctx RXFH

Joe Damato
2025-06-12T21:09:05Z

On Wed, Jun 11, 2025 at 07:59:43AM -0700, Jakub Kicinski wrote:
> RX Flow Hashing supports using different configuration for different
> RSS contexts. Only two drivers seem to support it. Make sure we
> uniformly error out for drivers which don't.
>
> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
> ---
> CC: saeedm@nvidia.com
> CC: tariqt@nvidia.com
> CC: leon@kernel.org
> CC: ecree.xilinx@gmail.com
> CC: linux-rdma@vger.kernel.org
> CC: linux-net-drivers@amd.com
> ---
> include/linux/ethtool.h | 3 +++
> drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 1 +
> drivers/net/ethernet/sfc/ethtool.c | 1 +
> net/ethtool/ioctl.c | 8 ++++++++
> 4 files changed, 13 insertions(+)

Reviewed-by: Joe Damato <joe@dama.to>