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26ba30221c
Add a new generic devlink device parameter (max_sfs) to control if and how many light-weight NIC subfunctions can be created. Subfunctions are a light-weight network functions backed by an underlying PCI function. Their lifecycle can already be managed by devlink, but currently users cannot enable them in the device. They can be enabled/disabled only via external vendor tools. This parameter allows subfunctions to be enabled (>0) or disabled (0) via devlink. A subsequent patch will add support for max_sfs to the mlx5 driver. Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Reviewed-by: David Ahern <dsahern@kernel.org> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com> Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Link: https://patch.msgid.link/20260806073037.3001886-2-tariqt@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>