opensm from home:NMorey:branches:opensm-ndr project
Select Your Operating System
Add repository and install manually
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:NMorey:branches:opensm-ndr/15.4/home:NMorey:branches:opensm-ndr.repo zypper refresh zypper install opensm