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38c35fdd80
Implement max_sfs generic parameter to allow users to control the total light-weight NIC subfunctions that can be created using devlink instead of external vendor tools. A value of 0 will effectively disable creation of new subfunction devices. A warning is sent to user-space via extack (returning extack without error code is interpreted as a warning by user-space tools). The maximum value is capped at U16_MAX. Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com> Reviewed-by: David Ahern <dsahern@kernel.org> Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com> Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Link: https://patch.msgid.link/20260806073037.3001886-3-tariqt@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>