Incoming device classification

configname: CONFIG_NET_CLS_IND

Linux Kernel Configuration
└─> Networking support
└─> Networking options
└─> QoS and/or fair queueing
└─> Incoming device classification

In linux kernel since version 2.6.12  

Say Y here to extend the u32 and fw classifier to support
classification based on the incoming device. This option is
likely to disappear in favour of the metadata ematch.