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Wire up mrg_rxbuf option for qemu

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<interface ...>
  ...
  <model type='virtio'/>
  <driver ...>
    <host mrg_rxbuf='off'/>
  </driver>
</interface>

will result in:
-device virtio-net-pci,mrg_rxbuf=off,...

https://bugzilla.redhat.com/show_bug.cgi?id=1186886
This commit is contained in:
Ján Tomko 2015-02-06 15:40:19 +01:00
parent 6067182b0d
commit 6ba5d1afec
4 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/qemu/qemu_command.c
View File

@ -4869,6 +4869,10 @@ qemuBuildNicDevStr(virDomainDefPtr def,
virBufferAsprintf(&buf, ",host_ufo=%s",
virTristateSwitchTypeToString(net->driver.virtio.host.ufo));
}
if (net->driver.virtio.host.mrg_rxbuf) {
virBufferAsprintf(&buf, ",mrg_rxbuf=%s",
virTristateSwitchTypeToString(net->driver.virtio.host.mrg_rxbuf));
}
if (net->driver.virtio.guest.csum) {
virBufferAsprintf(&buf, ",guest_csum=%s",
virTristateSwitchTypeToString(net->driver.virtio.guest.csum));

1
src/qemu/qemu_hotplug.c
View File

@ -2106,6 +2106,7 @@ qemuDomainChangeNet(virQEMUDriverPtr driver,
olddev->driver.virtio.host.tso6 != newdev->driver.virtio.host.tso6 ||
olddev->driver.virtio.host.ecn != newdev->driver.virtio.host.ecn ||
olddev->driver.virtio.host.ufo != newdev->driver.virtio.host.ufo ||
olddev->driver.virtio.host.mrg_rxbuf != newdev->driver.virtio.host.mrg_rxbuf ||
olddev->driver.virtio.guest.csum != newdev->driver.virtio.guest.csum ||
olddev->driver.virtio.guest.tso4 != newdev->driver.virtio.guest.tso4 ||
olddev->driver.virtio.guest.tso6 != newdev->driver.virtio.guest.tso6 ||

2
tests/qemuxml2argvdata/qemuxml2argv-net-virtio-disable-offloads.args
View File

@ -3,7 +3,7 @@ LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -usb \
-hda /dev/HostVG/QEMUGuest7 \
-device virtio-net-pci,csum=off,gso=off,\
host_tso4=off,host_tso6=off,host_ecn=off,host_ufo=off,\
host_tso4=off,host_tso6=off,host_ecn=off,host_ufo=off,mrg_rxbuf=off,\
guest_csum=off,guest_tso4=off,guest_tso6=off,guest_ecn=off,guest_ufo=off,\
vlan=0,id=net0,mac=00:22:44:66:88:aa,bus=pci.0,addr=0x3 \
-net user,vlan=0,name=hostnet0 \

2
tests/qemuxml2argvdata/qemuxml2argv-net-virtio-disable-offloads.xml
View File

@ -26,7 +26,7 @@
<mac address='00:22:44:66:88:aa'/>
<model type='virtio'/>
<driver>
<host csum='off' gso='off' tso4='off' tso6='off' ecn='off' ufo='off'/>
<host csum='off' gso='off' tso4='off' tso6='off' ecn='off' ufo='off' mrg_rxbuf='off'/>
<guest csum='off' tso4='off' tso6='off' ecn='off' ufo='off'/>
</driver>
</interface>