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neutron
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Merge "Doc: update the qos devref about SR-IOV support"

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Zuul 2018-08-25 01:46:32 +00:00 committed by Gerrit Code Review
parent bba94e9d74 28e07d4c5e
commit bca116f184
1 changed files with 6 additions and 3 deletions
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9
doc/source/contributor/internals/quality_of_service.rst
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@ -350,12 +350,15 @@ openflow rules.
SR-IOV
++++++
SR-IOV bandwidth limit implementation relies on the new pci_lib function:
SR-IOV bandwidth limit and minimum bandwidth implementation relies on the
new pci_lib function:
* set_vf_max_rate
* set_vf_rate
As the name of the function suggests, the limit is applied on a Virtual
Function (VF).
Function (VF). This function has a parameter called "rate_type" and
its value can be set to "rate" or "min_tx_rate", which is for enforcing
bandwidth limit or minimum bandwidth respectively.
ip link interface has the following limitation for bandwidth limit: it uses
Mbps as units of bandwidth measurement, not kbps, and does not support float