qemu: Implement virtio-net rx_queue_size

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2016-08-19 09:50:31 +02:00
parent 06d0969655
commit 2692304c94
3 changed files with 35 additions and 0 deletions

View File

@ -3650,6 +3650,14 @@ qemuBuildNicDevStr(virDomainDefPtr def,
virBufferAsprintf(&buf, ",mq=on,vectors=%zu", 2 * vhostfdSize + 2); virBufferAsprintf(&buf, ",mq=on,vectors=%zu", 2 * vhostfdSize + 2);
} }
} }
if (usingVirtio && net->driver.virtio.rx_queue_size) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_NET_RX_QUEUE_SIZE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("virtio rx_queue_size option is not supported with this QEMU binary"));
goto error;
}
virBufferAsprintf(&buf, ",rx_queue_size=%u", net->driver.virtio.rx_queue_size);
}
if (vlan == -1) if (vlan == -1)
virBufferAsprintf(&buf, ",netdev=host%s", net->info.alias); virBufferAsprintf(&buf, ",netdev=host%s", net->info.alias);
else else

View File

@ -0,0 +1,25 @@
LC_ALL=C \
PATH=/bin \
HOME=/home/test \
USER=test \
LOGNAME=test \
QEMU_AUDIO_DRV=none \
/usr/bin/qemu \
-name QEMUGuest1 \
-S \
-M pc \
-m 214 \
-smp 1,sockets=1,cores=1,threads=1 \
-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
-nographic \
-nodefaults \
-monitor unix:/tmp/lib/domain--1-QEMUGuest1/monitor.sock,server,nowait \
-no-acpi \
-boot c \
-usb \
-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
-device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 \
-device virtio-net-pci,rx_queue_size=512,vlan=0,id=net0,mac=00:11:22:33:44:55,\
bus=pci.0,addr=0x3 \
-net user,vlan=0,name=hostnet0 \
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4

View File

@ -1047,6 +1047,8 @@ mymain(void)
QEMU_CAPS_VIRTIO_S390); QEMU_CAPS_VIRTIO_S390);
DO_TEST("net-virtio-ccw", DO_TEST("net-virtio-ccw",
QEMU_CAPS_VIRTIO_CCW, QEMU_CAPS_VIRTIO_S390); QEMU_CAPS_VIRTIO_CCW, QEMU_CAPS_VIRTIO_S390);
DO_TEST("net-virtio-rxqueuesize",
QEMU_CAPS_VIRTIO_NET_RX_QUEUE_SIZE);
DO_TEST_PARSE_ERROR("net-virtio-rxqueuesize-invalid-size", NONE); DO_TEST_PARSE_ERROR("net-virtio-rxqueuesize-invalid-size", NONE);
DO_TEST("net-eth", NONE); DO_TEST("net-eth", NONE);
DO_TEST("net-eth-ifname", NONE); DO_TEST("net-eth-ifname", NONE);