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[libvirt] [PATCH 5/5] qemu: wire up virtio-net segment offloading options



---
 src/qemu/qemu_command.c                              | 20 ++++++++++++++++++++
 .../qemuxml2argv-net-virtio-disable-offloads.args    |  8 ++++++++
 tests/qemuxml2argvtest.c                             |  2 ++
 3 files changed, 30 insertions(+)
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-net-virtio-disable-offloads.args

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 665a590..0b88a48 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -4430,6 +4430,26 @@ qemuBuildNicDevStr(virDomainDefPtr def,
             virBufferAsprintf(&buf, ",event_idx=%s",
                               virTristateSwitchTypeToString(net->driver.virtio.event_idx));
         }
+        if (net->driver.virtio.csum) {
+            virBufferAsprintf(&buf, ",csum=%s",
+                              virTristateSwitchTypeToString(net->driver.virtio.csum));
+        }
+        if (net->driver.virtio.gso) {
+            virBufferAsprintf(&buf, ",gso=%s",
+                              virTristateSwitchTypeToString(net->driver.virtio.gso));
+        }
+        if (net->driver.virtio.guest_tso4) {
+            virBufferAsprintf(&buf, ",guest_tso4=%s",
+                              virTristateSwitchTypeToString(net->driver.virtio.guest_tso4));
+        }
+        if (net->driver.virtio.guest_tso6) {
+            virBufferAsprintf(&buf, ",guest_tso6=%s",
+                              virTristateSwitchTypeToString(net->driver.virtio.guest_tso6));
+        }
+        if (net->driver.virtio.guest_ecn) {
+            virBufferAsprintf(&buf, ",guest_ecn=%s",
+                              virTristateSwitchTypeToString(net->driver.virtio.guest_ecn));
+        }
     }
     if (usingVirtio && vhostfdSize > 1) {
         /* As advised at http://www.linux-kvm.org/page/Multiqueue
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-disable-offloads.args b/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-disable-offloads.args
new file mode 100644
index 0000000..49e8bf7
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-net-virtio-disable-offloads.args
@@ -0,0 +1,8 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
+/usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults \
+-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -usb \
+-hda /dev/HostVG/QEMUGuest7 \
+-device virtio-net-pci,csum=off,gso=off,guest_tso4=off,guest_tso6=off\
+,guest_ecn=off,vlan=0,id=net0,mac=00:22:44:66:88:aa,bus=pci.0,addr=0x3 \
+-net user,vlan=0,name=hostnet0 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 5c28253..9da1214 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -959,6 +959,8 @@ mymain(void)
     DO_TEST("net-virtio", NONE);
     DO_TEST("net-virtio-device",
             QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG, QEMU_CAPS_VIRTIO_TX_ALG);
+    DO_TEST("net-virtio-disable-offloads",
+            QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG);
     DO_TEST("net-virtio-netdev",
             QEMU_CAPS_DEVICE, QEMU_CAPS_NETDEV, QEMU_CAPS_NODEFCONFIG);
     DO_TEST("net-virtio-s390",
-- 
1.8.5.5


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