For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:shunghsiyu:branches:bpf/openSUSE_Tumbleweed/home:shunghsiyu:branches:bpf.repo
zypper refresh
zypper install bpftool
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:shunghsiyu:branches:bpf/15.5/home:shunghsiyu:branches:bpf.repo
zypper refresh
zypper install bpftool
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:shunghsiyu:branches:bpf/15.4/home:shunghsiyu:branches:bpf.repo
zypper refresh
zypper install bpftool