qemu_capabilities: Introduce virtio-net-*.rx_queue_size

Just like in the previous commit, teach qemu driver to detect
whether qemu supports this configuration knob or not.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

src/qemu/qemu_capabilities.c

@@ -342,6 +342,8 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
               "smm",
               "virtio-pci-disable-legacy",
               "query-hotpluggable-cpus",
+
+              "virtio-net.rx_queue_size", /* 235 */
     );
 
 
@@ -1584,6 +1586,7 @@ static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsVirtioBlk[] = {
 static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsVirtioNet[] = {
     { "tx", QEMU_CAPS_VIRTIO_TX_ALG },
     { "event_idx", QEMU_CAPS_VIRTIO_NET_EVENT_IDX },
+    { "rx_queue_size", QEMU_CAPS_VIRTIO_NET_RX_QUEUE_SIZE },
 };
 
 static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsVirtioSCSI[] = {

src/qemu/qemu_capabilities.h

@@ -376,6 +376,9 @@ typedef enum {
     QEMU_CAPS_VIRTIO_PCI_DISABLE_LEGACY, /* virtio-*pci.disable-legacy */
     QEMU_CAPS_QUERY_HOTPLUGGABLE_CPUS, /* qmp command query-hotpluggable-cpus */
 
+    /* 235 */
+    QEMU_CAPS_VIRTIO_NET_RX_QUEUE_SIZE, /* virtio-net-*.rx_queue_size */
+
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;