1.\" $OpenBSD: hvn.4,v 1.3 2016/09/15 18:27:27 mikeb Exp $ 2.\" 3.\" Copyright (c) 2016 Mike Belopuhov 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: September 15 2016 $ 18.Dt HVN 4 19.Os 20.Sh NAME 21.Nm hvn 22.Nd Hyper-V networking interface 23.Sh SYNOPSIS 24.Cd "hvn* at hyperv?" 25.Sh DESCRIPTION 26The 27.Nm 28driver provides support for a Network Virtual Service Client (NetVSC), 29a virtual networking interface that relays device requests to the Virtual 30Service Provider (VSP) in the management operating system via the VMBus. 31.Pp 32NetVSC emulates an RNDIS 1.0 compliant device on top of a custom NVS 33protocol operating over the VMBus channel ring. 34.Sh SEE ALSO 35.Xr autoconf 4 , 36.Xr hyperv 4 , 37.Xr intro 4 38.Sh HISTORY 39The 40.Nm 41driver first appeared in 42.Ox 6.1 . 43.Sh AUTHORS 44The 45.Nm 46driver was written by 47.An Mike Belopuhov Aq Mt mikeb@openbsd.org 48based on the 49.Fx 50driver by the Microsoft BSD Integration Services Team 51.Aq Mt bsdic@microsoft.com . 52