diff options
| author |   sf <sf@openbsd.org> | 2013-03-16 19:12:03 +0000 |
|---|---|---|
| committer | sf <sf@openbsd.org> | 2013-03-16 19:12:03 +0000 |
| commit | a566494230c118ffb8922f159bf3e6a818689127 (patch) | |
| tree | 7747799e09f99189da44ae2c4cebdb09add24522 | |
| parent | fix size of unicast rx filter table (diff) | |
| download | wireguard-openbsd-a566494230c118ffb8922f159bf3e6a818689127.tar.xz wireguard-openbsd-a566494230c118ffb8922f159bf3e6a818689127.zip | |
mention how to disable RingEventIndex
OK jmc@
| -rw-r--r-- | share/man/man4/vio.4 | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/share/man/man4/vio.4 b/share/man/man4/vio.4 index ddc09469ecc..b5abe7e044e 100644 --- a/share/man/man4/vio.4 +++ b/share/man/man4/vio.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: vio.4,v 1.7 2013/01/16 00:30:48 brad Exp $ +.\" $OpenBSD: vio.4,v 1.8 2013/03/16 19:12:03 sf Exp $ .\" .\" Copyright (c) 2012 Stefan Fritsch <sf@sfritsch.de> .\" @@ -14,20 +14,25 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: January 16 2013 $ +.Dd $Mdocdate: March 16 2013 $ .Dt VIO 4 .Os .Sh NAME .Nm vio .Nd VirtIO network device .Sh SYNOPSIS -.Cd "vio* at virtio?" +.Cd "vio* at virtio? flags 0x00" .Sh DESCRIPTION The .Nm driver provides support for the .Xr virtio 4 network interface provided by bhyve, KVM, QEMU, and VirtualBox. +.Pp +Setting flags to 0x02 disables the RingEventIndex feature. +This can be tried as a workaround for possible bugs in host implementations or +.Nm +at the cost of slightly reduced performance. .Sh SEE ALSO .Xr intro 4 , .Xr virtio 4 |