Date: Fri, 5 Jan 2018 15:44:29 +0000 From: Steven Hartland <steven@multiplay.co.uk> To: Slawa Olhovchenkov <slw@zxy.spb.ru>, Eugene Grosbein <eugen@grosbein.net> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r327559 - in head: . sys/net Message-ID: <5fb3fad0-4c2c-bddc-36c6-2ae88e8b38e6@freebsd.org> In-Reply-To: <20180105143825.GL19373@zxy.spb.ru> References: <201801042005.w04K5liB049411@repo.freebsd.org> <5A4E9397.9000308@grosbein.net> <20180105131105.GB5368@zxy.spb.ru> <5A4F7F70.5050106@grosbein.net> <20180105143825.GL19373@zxy.spb.ru>
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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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