CONFIG_NET_SCH_MQPRIO_LIB (not configurable)

modulename: sch_mqprio_lib.ko

configname: CONFIG_NET_SCH_MQPRIO_LIB

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>QoS and/or fair queueing
└─>NET_SCH_MQPRIO_LIB
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
Common library for manipulating mqprio queue configurations.

source code:
net/sched//sch_mqprio_lib.c