Description of problem:

Version-Release number of selected component (if applicable):
$ rpm -q librdmacm-utils rdma-core kernel
librdmacm-utils-37.2-1.el8.x86_64
rdma-core-37.2-1.el8.x86_64
kernel-4.18.0-415.el8.x86_64

$ ibv_devinfo -d irdma0
hca_id: irdma0
transport: iWARP (1)
fw_ver: 1.52
node_guid: b696:91ff:fead:8aa8
sys_image_guid: b696:91ff:fead:8aa8
vendor_id: 0x8086
vendor_part_id: 5522
hw_ver: 0x2
phys_port_cnt: 1
port: 1
state: PORT_ACTIVE (4)
max_mtu: 4096 (5)
active_mtu: 4096 (5)
sm_lid: 0
port_lid: 1
port_lmc: 0x00
link_layer: Ethernet

How reproducible:
Always

Steps to Reproduce:

Server:$ rcopy
waiting for connection...

Client: $ rcopy /root/iser_lun 172.31.50.130
rconnect failed
: Operation not supported

Actual results:
rconnect failed
: Operation not supported

Expected results:
The file can be copied to the client.

Additional info:
If this is expected behavior, please close it. BTW, rcopy works on E810 roce.