+1 for the series
On Thu, Dec 30, 2021 at 8:02 AM Andrew Melnychenko <andrew@daynix.com>
wrote:
> This series of patches add RSS property support for virtio-net-pci.
>
> Virtio RSS effectively works with TAP devices, it requires additional
> vectors for VirtioNet, queues for TAP device, and vCPU cores.
> Example of device configuration:
> ```
> <interface type="network">
> <mac address="52:54:00:c4:90:25"/>
> <source network="default"/>
> <model type="virtio"/>
> <driver name="qemu" queues="9" rss="on" rss_hash_report="off"/>
> <address type="pci" domain="0x0000" bus="0x01" slot="0x00"
> function="0x0"/>
> </interface>
> ```
>
> Capability "rss" enables RSS, "rss_hash_report" - enables hashes in
> vheader.
> For now, "rss" property will trigger "in-qemu" RSS in most cases.
> Current Qemu(6.2) supports eBPF RSS that may require additional
> capabilities.
> In future, the helper will be provided. And this code is the base for
> VirtIO RSS.
>
> Changes since RFC:
> * rebased and refactored
> * added tests
> * postponed the helper
>
> Andrew Melnychenko (3):
> domain_conf: Added configs for RSS and Hash report.
> qemu_capabilities: Added capabilites for qemu's "rss" and "hash".
> test: Added caps, xml2argv and xml2xml tests.
>
> docs/formatdomain.rst | 15 ++++++++
> docs/schemas/domaincommon.rng | 10 ++++++
> src/conf/domain_conf.c | 31 +++++++++++++++-
> src/conf/domain_conf.h | 2 ++
> src/qemu/qemu_capabilities.c | 2 ++
> src/qemu/qemu_capabilities.h | 1 +
> src/qemu/qemu_command.c | 2 ++
> src/qemu/qemu_validate.c | 16 +++++++++
> .../caps_5.1.0.x86_64.xml | 1 +
> .../caps_5.2.0.aarch64.xml | 1 +
> .../qemucapabilitiesdata/caps_5.2.0.ppc64.xml | 1 +
> .../caps_5.2.0.riscv64.xml | 1 +
> .../qemucapabilitiesdata/caps_5.2.0.s390x.xml | 1 +
> .../caps_5.2.0.x86_64.xml | 1 +
> .../caps_6.0.0.aarch64.xml | 1 +
> .../qemucapabilitiesdata/caps_6.0.0.s390x.xml | 1 +
> .../caps_6.0.0.x86_64.xml | 1 +
> .../caps_6.1.0.x86_64.xml | 1 +
> .../caps_6.2.0.aarch64.xml | 1 +
> .../qemucapabilitiesdata/caps_6.2.0.ppc64.xml | 1 +
> .../caps_6.2.0.x86_64.xml | 1 +
> tests/qemuxml2argvdata/net-virtio-hash.args | 35 +++++++++++++++++++
> tests/qemuxml2argvdata/net-virtio-hash.xml | 29 +++++++++++++++
> tests/qemuxml2argvdata/net-virtio-rss.args | 35 +++++++++++++++++++
> tests/qemuxml2argvdata/net-virtio-rss.xml | 29 +++++++++++++++
> .../qemuxml2argvdata/net-virtio-rsshash.args | 35 +++++++++++++++++++
> tests/qemuxml2argvdata/net-virtio-rsshash.xml | 29 +++++++++++++++
> .../virtio-options.x86_64-latest.args | 2 +-
> tests/qemuxml2argvdata/virtio-options.xml | 2 +-
> tests/qemuxml2argvtest.c | 7 ++++
> 30 files changed, 292 insertions(+), 3 deletions(-)
> create mode 100644 tests/qemuxml2argvdata/net-virtio-hash.args
> create mode 100644 tests/qemuxml2argvdata/net-virtio-hash.xml
> create mode 100644 tests/qemuxml2argvdata/net-virtio-rss.args
> create mode 100644 tests/qemuxml2argvdata/net-virtio-rss.xml
> create mode 100644 tests/qemuxml2argvdata/net-virtio-rsshash.args
> create mode 100644 tests/qemuxml2argvdata/net-virtio-rsshash.xml
>
> --
> 2.34.1
>
>