SAE J1939

modulename: can-j1939.ko

configname: CONFIG_CAN_J1939

Linux Kernel Configuration
└─>Networking support
└─>CAN bus subsystem support
└─>SAE J1939
In linux kernel since version 5.1 (release Date: 2019-05-05)  
SAE J1939
Say Y to have in-kernel support for j1939 socket type. This
allows communication according to SAE j1939.
The relevant parts in kernel are
SAE j1939-21 (datalink & transport protocol)
& SAE j1939-81 (network management).

source code: