openstack/neutron
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Merge "Add both directions for minimum bw rule in doc"

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Zuul 2018-10-22 23:34:54 +00:00 committed by Gerrit Code Review
commit e03f2d95ae
1 changed files with 25 additions and 9 deletions
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34
doc/source/contributor/internals/quality_of_service.rst
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@ -299,17 +299,33 @@ Table of Neutron backends, supported rules and traffic direction (from the VM
point of view)
::
+----------------------+----------------+----------------+----------------+
| Rule \ Backend | Open vSwitch | SR-IOV | Linux Bridge |
+----------------------+----------------+----------------+----------------+
| Bandwidth Limit | Egress/Ingress | Egress (1) | Egress/Ingress |
+----------------------+----------------+----------------+----------------+
| Minimum Bandwidth | - | Egress | - |
+----------------------+----------------+----------------+----------------+
| DSCP Marking | Egress | - | Egress |
+----------------------+----------------+----------------+----------------+
+----------------------+--------------------+--------------------+--------------------+
| Rule \ Backend | Open vSwitch | SR-IOV | Linux Bridge |
+----------------------+--------------------+--------------------+--------------------+
| Bandwidth Limit | Egress/Ingress | Egress (1) | Egress/Ingress |
+----------------------+--------------------+--------------------+--------------------+
| Minimum Bandwidth | Egress/Ingress (2) | Egress/Ingress (2) | - |
+----------------------+--------------------+--------------------+--------------------+
| DSCP Marking | Egress | - | Egress |
+----------------------+--------------------+--------------------+--------------------+
(1) Max burst parameter is skipped because it's not supported by ip tool.
(2) Placement based enforcement works for both egress and ingress directions,
but dataplane enforcement depends on the backend.
Table of Neutron backends, supported directions and enforcement types for
Minimum Bandwidth rule
::
+----------------------------+----------------+----------------+----------------+
| Enforcement type \ Backend | Open vSwitch | SR-IOV | Linux Bridge |
+----------------------------+----------------+----------------+----------------+
| Dataplane | - | Egress | - |
| | | (Newton+) | |
+----------------------------+----------------+----------------+----------------+
| Placement | Egress/Ingress | Egress/Ingress | - |
| | (Stein+) | (Stein+) | |
+----------------------------+----------------+----------------+----------------+
Open vSwitch