svn commit: r327559 - in head: . sys/net

Steven Hartland steven at multiplay.co.uk
Fri Jan 5 15:44:30 UTC 2018


On 05/01/2018 14:38, Slawa Olhovchenkov wrote:
> On Fri, Jan 05, 2018 at 08:36:48PM +0700, Eugene Grosbein wrote:
>
>> 05.01.2018 20:11, Slawa Olhovchenkov wrote:
>>
>>> Irrelevant to RSS and etc. flowid distribution in lacp case work very
>>> bad. This is good and must be MFC (IMHO).
>> It may work bad depending on NIC and/or traffic type.
>> It works just fine in common case of IP forwarding for packets with TCP/UDP inside.
>>
>> It can be easily disabled locally for specific cases when it does not work.
>>
> Packet distrubuting on network equipment (lacp case) w/ enabled flowid cause
> uneven queue distributing. Yes, this is may be disabled locally, but
> diagnostic this root cause need uncommon skills.
>
Indeed, the same for packet ordering issue, it took a good amount of 
effort here from multiple parties to determine the there was a bug in 
FreeBSD LACP implementation due to the use of flowid, which is why I 
opted to disable it by default.

     Regards
     Steve


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