Signed-off-by: Andrew Melnychenko <andrew@xxxxxxxxxx> --- docs/formatdomain.rst | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst index 61ccd8895a..22ad19439f 100644 --- a/docs/formatdomain.rst +++ b/docs/formatdomain.rst @@ -5233,6 +5233,22 @@ following attributes are available for the ``"virtio"`` NIC driver: only for ``vhostuser`` type. :since:`Since 3.7.0 (QEMU and KVM only)` **In general you should leave this option alone, unless you are very certain you know what you are doing.** +``rss`` + The ``rss`` option enables in-qemu/ebpf RSS for virtio NIC. RSS works with + virtio and tap backends only. For ebpf RSS the "ebpf helper" is used. Helper + binary path received from qemu by qmp. The helper is't used if qemu doesn't + provide "ebpf_rss_fds" property or helper path. Without helper, virtio NIC + will be launched only with "rss" property. Qemu may load eBPF by itself if it + has CAP_SYS_ADMIN permissions. In other cases, "in-qemu" RSS is used. + **In general you should leave this option alone, unless you are very certain + you know what you are doing.** +``rss_hash_report`` + The ``rss_hash_report`` option enables in-qemu RSS hash report for virtio + NIC. Ebpf RSS doesn't support hash report yet. Usually enabled alongside with + ``rss``. Without ``rss`` option, the hash report doesn't affect steering + itself but provides vnet header with a calculated hash. + **In general you should leave this option alone, unless you are very certain + you know what you are doing.** virtio options For virtio interfaces, `Virtio-specific options <#elementsVirtio>`__ can also be set. ( :since:`Since 3.5.0` ) -- 2.31.1