You can find a deeper documentation about the protocol in the imn.p4 file. Also, you can use of the --help for getting more information about the inm.py application.
Make command compiles the p4 file and runs the minnit with the defined topology from the inm directory .
p4@p4:~/inm$ make
You can open a host terminal from the mininet terminal. By default, there are two hosts. Their names are h1 and h2.
mininet> xterm h1
You can run the application for communicating with the switch and test the functionalities of the implemented protocol.
p4@p4:~/inm$ python3 inm.py --src_num "00:05:00:00:00:00"