[ovs-dev] [PATCH] FAQ: Explain how to add QoS features to Open vSwitch.

Gurucharan Shetty shettyg at nicira.com
Mon Dec 16 17:29:53 UTC 2013


On Mon, Dec 16, 2013 at 9:25 AM, Ben Pfaff <blp at nicira.com> wrote:
> This needs a review.
>
> On Thu, Nov 21, 2013 at 05:03:13PM -0800, Ben Pfaff wrote:
>> Signed-off-by: Ben Pfaff <blp at nicira.com>
Looks good.
>> ---
>>  FAQ |   13 +++++++++++++
>>  1 file changed, 13 insertions(+)
>>
>> diff --git a/FAQ b/FAQ
>> index 2912ae3..a57362e 100644
>> --- a/FAQ
>> +++ b/FAQ
>> @@ -723,6 +723,19 @@ A: Did you install OpenFlow flows that use your queues?  This is the
>>
>>     Refer to the previous question for an example.
>>
>> +Q: I'd like to take advantage of some QoS feature that Open vSwitch
>> +   doesn't yet support.  How do I do that?
>> +
>> +A: Open vSwitch does not implement QoS itself.  Instead, it can
>> +   configure some, but not all, of the QoS features built into the
>> +   Linux kernel.  If you need some QoS feature that OVS cannot
>> +   configure itself, then the first step is to figure out whether
>> +   Linux QoS supports that feature.  If it does, then you can submit a
>> +   patch to support Open vSwitch configuration for that feature, or
>> +   you can use "tc" directly to configure the feature in Linux.  (If
>> +   Linux QoS doesn't support the feature you want, then first you have
>> +   to add that support to Linux.)
>> +
>>  Q: I configured QoS, correctly, but my measurements show that it isn't
>>     working as well as I expect.
>>
>> --
>> 1.7.10.4
>>
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