VLAN-tagged frames. We need to allocate the bytes before even knowing if
the frame we receive will in fact contain VLAN headers.

Jan-Michael Heller authored 12 years ago and Nik | Klampfradler committed 12 years ago

size for TAP in non-VLAN mode, internal fields are now hidden.

Patch re-edited by Dominik George.

Added first TapHandler draft.