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From 8e70457b217ea22feea3ae674e4bf080f6518177 Mon Sep 17 00:00:00 2001
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Message-Id: <8e70457b217ea22feea3ae674e4bf080f6518177@dist-git>
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From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
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Date: Wed, 24 Sep 2014 16:55:45 +0200
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Subject: [PATCH] qemu: wire up virtio-net segment offloading options
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https://bugzilla.redhat.com/show_bug.cgi?id=1139364
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Format the segment offloading options specified by
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<driver>
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<host .../>
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<guest .../>
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</driver>
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on virtio-net command line.
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(cherry picked from commit 2d79e1752a0609eb17eef06223e4645f79fbb2cd)
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/qemu/qemu_command.c | 44 ++++++++++++++++++++++
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.../qemuxml2argv-net-virtio-disable-offloads.args | 10 +++++
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tests/qemuxml2argvtest.c | 2 +
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3 files changed, 56 insertions(+)
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create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-net-virtio-disable-offloads.args
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diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
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index 7d4f3cc..6c4e2ff 100644
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--- a/src/qemu/qemu_command.c
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+++ b/src/qemu/qemu_command.c
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@@ -4472,6 +4472,50 @@ qemuBuildNicDevStr(virDomainDefPtr def,
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virBufferAsprintf(&buf, ",event_idx=%s",
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virTristateSwitchTypeToString(net->driver.virtio.event_idx));
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}
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+ if (net->driver.virtio.host.csum) {
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+ virBufferAsprintf(&buf, ",csum=%s",
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+ virTristateSwitchTypeToString(net->driver.virtio.host.csum));
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+ }
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+ if (net->driver.virtio.host.gso) {
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+ virBufferAsprintf(&buf, ",gso=%s",
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+ virTristateSwitchTypeToString(net->driver.virtio.host.gso));
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+ }
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+ if (net->driver.virtio.host.tso4) {
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+ virBufferAsprintf(&buf, ",host_tso4=%s",
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+ virTristateSwitchTypeToString(net->driver.virtio.host.tso4));
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+ }
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+ if (net->driver.virtio.host.tso6) {
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+ virBufferAsprintf(&buf, ",host_tso6=%s",
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+ virTristateSwitchTypeToString(net->driver.virtio.host.tso6));
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+ }
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+ if (net->driver.virtio.host.ecn) {
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+ virBufferAsprintf(&buf, ",host_ecn=%s",
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+ virTristateSwitchTypeToString(net->driver.virtio.host.ecn));
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+ }
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+ if (net->driver.virtio.host.ufo) {
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+ virBufferAsprintf(&buf, ",host_ufo=%s",
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+ virTristateSwitchTypeToString(net->driver.virtio.host.ufo));
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+ }
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+ if (net->driver.virtio.guest.csum) {
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+ virBufferAsprintf(&buf, ",guest_csum=%s",
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+ virTristateSwitchTypeToString(net->driver.virtio.guest.csum));
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+ }
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+ if (net->driver.virtio.guest.tso4) {
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+ virBufferAsprintf(&buf, ",guest_tso4=%s",
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+ virTristateSwitchTypeToString(net->driver.virtio.guest.tso4));
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+ }
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+ if (net->driver.virtio.guest.tso6) {
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+ virBufferAsprintf(&buf, ",guest_tso6=%s",
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+ virTristateSwitchTypeToString(net->driver.virtio.guest.tso6));
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+ }
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+ if (net->driver.virtio.guest.ecn) {
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+ virBufferAsprintf(&buf, ",guest_ecn=%s",
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+ virTristateSwitchTypeToString(net->driver.virtio.guest.ecn));
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+ }
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+ if (net->driver.virtio.guest.ufo) {
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+ virBufferAsprintf(&buf, ",guest_ufo=%s",
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+ virTristateSwitchTypeToString(net->driver.virtio.guest.ufo));
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+ }
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}
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if (usingVirtio && vhostfdSize > 1) {
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/* As advised at http://www.linux-kvm.org/page/Multiqueue
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diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-disable-offloads.args b/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-disable-offloads.args
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new file mode 100644
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index 0000000..b7ce282
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--- /dev/null
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+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-disable-offloads.args
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@@ -0,0 +1,10 @@
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+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
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+/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults \
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+-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -usb \
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+-hda /dev/HostVG/QEMUGuest7 \
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+-device virtio-net-pci,csum=off,gso=off,\
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+host_tso4=off,host_tso6=off,host_ecn=off,host_ufo=off,\
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+guest_csum=off,guest_tso4=off,guest_tso6=off,guest_ecn=off,guest_ufo=off,\
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+vlan=0,id=net0,mac=00:22:44:66:88:aa,bus=pci.0,addr=0x3 \
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+-net user,vlan=0,name=hostnet0 \
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+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4
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diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
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index a9129dc..410540f 100644
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--- a/tests/qemuxml2argvtest.c
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+++ b/tests/qemuxml2argvtest.c
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@@ -969,6 +969,8 @@ mymain(void)
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DO_TEST("net-virtio", NONE);
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DO_TEST("net-virtio-device",
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QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG, QEMU_CAPS_VIRTIO_TX_ALG);
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+ DO_TEST("net-virtio-disable-offloads",
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+ QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG);
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DO_TEST("net-virtio-netdev",
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QEMU_CAPS_DEVICE, QEMU_CAPS_NETDEV, QEMU_CAPS_NODEFCONFIG);
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DO_TEST("net-virtio-s390",
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--
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2.1.1
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