The manager will allow charon-nm to create XFRM interfaces if supported
by the kernel instead of creating an unused dummy TUN interface.
The xfrmi tool is mostly obsolete nowadays as iproute2 supports creating
XFRM interfaces since 5.1.0 (2019-05). Older Debians don't ship that and
early versions didn't list the interface IDs. So there might still be
some uses for this tool.
This is mainly to see what's necessary to create them (in case we
integrate this into the daemon) and to experiment in our testing
environment without having to add a patched version of iproute2 (the
4.20.0 version in stretch-backports doesn't support XFRM interfaces
yet). The regular version of iproute2 can be used for other operations
with these interfaces (delete, up, addrs etc.).
libstrongswan and kernel-netlink are the only two components which do
not adhere to the naming scheme used for all other tests. If the tests
are run by an external application this imposes problems due to clashing
names.
Signed-off-by: Thomas Egerer <[email protected]>
Tobias Brunner