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docs: formatdomain: Add the introduced versions of net rss attrs 

Signed-off-by: Han Han <hhan@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
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Han Han 2022-05-07 09:17:37 +08:00 committed by Andrea Bolognani
parent 49b5200e16
commit facaa9ae98
1 changed files with 2 additions and 1 deletions
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@ -5300,7 +5300,7 @@ following attributes are available for the ``"virtio"`` NIC driver:
virtio and tap backends only. Virtio NIC will be launched with "rss" virtio and tap backends only. Virtio NIC will be launched with "rss"
property. For now "in-qemu" RSS is supported by libvirt. property. For now "in-qemu" RSS is supported by libvirt.
QEMU may load eBPF RSS if it has CAP_SYS_ADMIN permissions, which is QEMU may load eBPF RSS if it has CAP_SYS_ADMIN permissions, which is
not supported by default in libvirt. not supported by default in libvirt. :since:`Since 8.3.0 and QEMU 5.1`
**In general you should leave this option alone, unless you are very certain **In general you should leave this option alone, unless you are very certain
you know what you are doing. Proper RSS configuration depends from vcpu, you know what you are doing. Proper RSS configuration depends from vcpu,
tap, and vhost settings.** tap, and vhost settings.**
@ -5310,6 +5310,7 @@ following attributes are available for the ``"virtio"`` NIC driver:
to VM will contain a hash of the packet in the virt header. Usually enabled to VM will contain a hash of the packet in the virt header. Usually enabled
alongside with ``rss``. Without ``rss`` option, the hash report doesn't affect alongside with ``rss``. Without ``rss`` option, the hash report doesn't affect
steering itself but provides vnet header with a calculated hash. steering itself but provides vnet header with a calculated hash.
:since:`Since 8.3.0 and QEMU 5.1`
**In general you should leave this option alone, unless you are very certain **In general you should leave this option alone, unless you are very certain
you know what you are doing. Proper RSS configuration depends from vcpu, you know what you are doing. Proper RSS configuration depends from vcpu,
tap, and vhost settings.** tap, and vhost settings.**