it is extended fromRDMA-Tutorial and can work in the RoCE rdma network
https://github.com/jcxue/RDMA-Tutorial
refer to https://github.com/CarpenterLee/rdma_examples
local test enviroment:
ubuntu 22.04 (virtual machine)
gcc 12.1
make or make debug
server terminal: ./rdma-tutorial port
client terminal: ./rdma-tutorial server_ip port
do not forget sudo rdma link add rxe_name type rxe netdev xxx in ubuntu