Mellanox Technologies software-managed steering

configname: CONFIG_MLX5_SW_STEERING

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>Mellanox Technologies software-managed steering
In linux kernel since version 5.1 (release Date: 2019-05-05)  
Build support for software-managed steering in the NIC.