| XENNET(4) | Device Drivers Manual (xen) | XENNET(4) | 
xennet —
xennet* at xenbus?
xennet interface forms the frontend part of the
  paravirtualized drivers used by Xen guest domains to have network
  connectivity.
When the host domain is NetBSD, the
    endpoint of the xennet interface is a
    xvif(4) interface. In the
    XenStore, xvif and xennet
    are identified by “vif” (virtual interface) entries.
Conceptually, frontends and backends drivers are similar to two Ethernet cards connected via a crossover cable.
xennet interfaces can pass VLAN tagged
    packets.
xennet.xennet and its associated endpoint use copy
      mode for communication: packets are copied from one domain's memory to
      another.xennet driver first appeared in
  NetBSD 3.0.
xennet driver was written by Manuel
  Bouyer
  <bouyer@NetBSD.org>
  and Christian Limpach
  <chris@pin.lu>.
| April 5, 2020 | NetBSD 10.0 |