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diff --git a/share/man/man4/hv_netvsc.4 b/share/man/man4/hv_netvsc.4 new file mode 100644 index 0000000..ed04e9d --- /dev/null +++ b/share/man/man4/hv_netvsc.4 @@ -0,0 +1,83 @@ +.\" $FreeBSD$ +.\" +.\" Copyright (c) 2012 Microsoft Corp. +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.Dd September 10, 2013 +.Dt HYPER-V 4 +.Os +.Sh NAME +.Nm hv_netvsc +.Nd Hyper-V Network Virtual Service Consumer +.Sh SYNOPSIS +To compile this driver into the kernel, place the following lines in +the system kernel configuration file: +.Bd -ragged -offset indent +.Cd "device hyperv" +.Ed +.Sh DESCRIPTION +The +.Nm +driver implements the virtual network device for +.Fx +guest +partitions running on Hyper-V. +.Fx +guest partitions running on Hyper-V do not have direct access to +network devices attached to the Hyper-V server. +Although a +.Fx +guest can access network devices using Hyper-V's +full emulation mode, the performance in this mode tends to be unsatisfactory. +.Pp +To counter the above issues, the +.Nm +driver implements a network +Virtual +Service Consumer (VSC) that relays network requests from the guest partition +to the network Virtual Service Provider (VSP) hosted in the root partition +using the high performance data exchange infrastructure provided by +.Xr hv_vmbus 4 +driver. +The VSP in the root partition then forwards the network related requests to +the physical network card. +.Sh SEE ALSO +.Xr hv_vmbus 4 , +.Xr hv_utils 4 , +.Xr hv_storvsc 4 , +.Xr hv_ata_pci_disengage 4 +.Sh HISTORY +Support for +.Nm +first appeared in +.Fx 10.0 . +The driver was developed through a joint effort between Citrix Incorporated, +Microsoft Corporation, and Network Appliance Incorporated. +.Sh AUTHORS +.An -nosplit +.Fx +support for +.Nm +was first added by +.An Microsoft BSD Integration Services Team Aq bsdic@microsoft.com . |