For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Curiosity/openSUSE_Tumbleweed/home:Curiosity.repo
zypper refresh
zypper install ksmbd-tools
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Curiosity/16.0/home:Curiosity.repo
zypper refresh
zypper install ksmbd-tools
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Curiosity/15.6/home:Curiosity.repo
zypper refresh
zypper install ksmbd-tools