Having a global variable which is set to "TUN" or "TAP" during
probe is a potential bug if probing is ever done in different
processes or contexts. Let's fix it now by using existing enum
that has type of connection.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by Keith Wiles <keith.wiles@intel.com>
c8ae56e62d