On 25 Mar 2019, at 17:30, Van Haaren, Harry wrote:

-----Original Message-----
From: Ilya Maximets [mailto:[email protected]]
Sent: Friday, March 22, 2019 1:19 PM
To: Van Haaren, Harry <[email protected]>; Eelco Chaudron
<[email protected]>
Cc: [email protected]
Subject: Re: [ovs-dev] [PATCH v5 3/3] dpif-netdev: split out generic lookup
function

On 22.03.2019 16:08, Van Haaren, Harry wrote:
Hey Eelco,

-----Original Message-----

<snip>

I'll work on addressing your comments early next week - thanks again! -H

Hi Harry,

I didn't look at this series closely yet. But if you're going to prepare new version, it'll be good to fix checkpatch issues reported by 0-day robot too:

  https://mail.openvswitch.org/pipermail/ovs-dev/2019-February/356615.html
  https://mail.openvswitch.org/pipermail/ovs-dev/2019-February/356616.html

BTW, commented out counters looks suspicious.

Best regards, Ilya Maximets.

Thanks Ilya, fixing checkpatch issues now, no problems.

Correct the lookups_match counter isn't implemented yet - will add it in v6 implementation.

The name of the variable is a bit misleading - it really counts the number of subtables searched for a match, per packet that it found a hit for.

Eg: a packet that matched the 3rd subtable searched, will += counter by 3.

So really, it counts "subtable-effort per packet match". Does this align with you understanding of it?

Thanks, -Harry

Ran the PVP tests over the weekend and the results look good. The Zero loss ones have quite some deviation, so I would ignore them.
Here is a link to the results:

https://docs.google.com/spreadsheets/u/0/d/e/2PACX-1vSrHgy18vTWFWk_SCF4vggtr1qpimMUkhZuHCSQtmEQi77yCjPrxlAr4hvNvtuIO3Vzzsy31bls2_wP/pubhtml?skip_itp2_check=true#

Will continue the review on v6.

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