[RFC PATCH 02/10] qemu_capabilities: Added capabilites for qemu's "rss" and "hash".

Added qemu's property check for virtio-net. And added capability QEMU_CAPS_VIRTIO_RSS. With "rss" and "rss_hash_report" from domain config, qemu should enable "rss" and "hash" for virtio-net. Signed-off-by: Andrew Melnychenko <andrew(a)daynix.com&gt; --- src/qemu/qemu_capabilities.c | 2 ++ src/qemu/qemu_capabilities.h | 1 + src/qemu/qemu_validate.c | 16 ++++++++++++++++ 3 files changed, 19 insertions(+) diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index 9558938866..7cd6dab259 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -637,6 +637,7 @@ VIR_ENUM_IMPL(virQEMUCaps, "confidential-guest-support", "query-display-options", "s390-pv-guest", + "virtio-net.rss", ); @@ -1421,6 +1422,7 @@ static struct virQEMUCapsDevicePropsFlags virQEMUCapsDevicePropsVirtioNet[] = { { "failover", QEMU_CAPS_VIRTIO_NET_FAILOVER, NULL }, { "packed", QEMU_CAPS_VIRTIO_PACKED_QUEUES, NULL }, { "acpi-index", QEMU_CAPS_ACPI_INDEX, NULL }, + { "rss", QEMU_CAPS_VIRTIO_RSS, NULL }, }; static struct virQEMUCapsDevicePropsFlags virQEMUCapsDevicePropsPCIeRootPort[] = { diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h index 2b1bb57a49..6b2446fe5f 100644 --- a/src/qemu/qemu_capabilities.h +++ b/src/qemu/qemu_capabilities.h @@ -617,6 +617,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */ QEMU_CAPS_MACHINE_CONFIDENTAL_GUEST_SUPPORT, /* -machine confidential-guest-support */ QEMU_CAPS_QUERY_DISPLAY_OPTIONS, /* 'query-display-options' qmp command present */ QEMU_CAPS_S390_PV_GUEST, /* -object s390-pv-guest,... */ + QEMU_CAPS_VIRTIO_RSS, /* virtio-net rss feature */ QEMU_CAPS_LAST /* this must always be the last item */ } virQEMUCapsFlags; diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c index a964c8593d..265938a99f 100644 --- a/src/qemu/qemu_validate.c +++ b/src/qemu/qemu_validate.c @@ -1607,6 +1607,22 @@ qemuValidateDomainDeviceDefNetwork(const virDomainNetDef *net, } } + if (net->driver.virtio.rss && + !virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_RSS)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("virtio rss is not supported with this " + "QEMU binary")); + return -1; + } + + if (net->driver.virtio.rss_hash_report && + !virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_RSS)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("virtio rss hash report is not supported with this " + "QEMU binary")); + return -1; + } + if (net->mtu && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_NET_HOST_MTU)) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", -- 2.31.1