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([2600:8800:6081:f400::3589]) by smtp.gmail.com with ESMTPSA id v19sm8687646pjh.37.2021.02.05.08.07.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 05 Feb 2021 08:07:49 -0800 (PST) Subject: Re: LACP BPDU packets priority? To: "Saad, Mark" , "freebsd-net@freebsd.org" References: <84ad7d46-d103-1bf2-29df-2085d4949d30@gmail.com> From: Johannes Lundberg Message-ID: Date: Fri, 5 Feb 2021 09:07:47 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Rspamd-Queue-Id: 4DXL140kZlz3hSR X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=PBwmhNi9; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of johalun0@gmail.com designates 2607:f8b0:4864:20::52b as permitted sender) smtp.mailfrom=johalun0@gmail.com X-Spamd-Result: default: False [-3.00 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-1.00)[-0.996]; FROM_EQ_ENVFROM(0.00)[]; SUBJECT_ENDS_QUESTION(1.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; MID_RHS_MATCH_FROM(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[2607:f8b0:4864:20::52b:from]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; SPAMHAUS_ZRD(0.00)[2607:f8b0:4864:20::52b:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::52b:from]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-net] X-Mailman-Approved-At: Fri, 05 Feb 2021 17:34:40 +0000 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Feb 2021 16:07:53 -0000 Thanks Mark! That is great information. Do you know what the iflib option is to control this? On 2/4/21 3:33 PM, Saad, Mark wrote: > Johannes > This is dependent on the NIC Driver. Chelsio's have a option to prioritize "slow-protocols" > into a dedicated queue. The iflib drivers I believe in 12-STABLE and newer have this ability as well. > Non iflib nics like Solarflare do not have any way to prioritize this and 11-STABLE does not have it at all. > > For the Chelsios you need to set hw.cxgbe.rsrv_noflowq=1" in /boot/loader.conf or use kenv to set it before loading the > module. > > > > --- > Mark Saad > Lucera Financial Infrastructures, LLC > msaad@lucera.com > > > > ________________________________________ > From: owner-freebsd-net@freebsd.org on behalf of Johannes Lundberg > Sent: Thursday, February 4, 2021 3:56 PM > To: freebsd-net@freebsd.org > Subject: LACP BPDU packets priority? > > > > *This email originated from outside the Firm* > > > Hi > > We're experiencing unstable lacp lagg and not seeing BPDU packets coming > to the switch we when expect them to. Can anyone answer what is the > priority of those packets? Could it be that they are not being sent from > the FreeBSD host because they are stuck in outgoing queue? > > Please cc me since I'm not subscribed. > > Thanks! > > > _______________________________________________ > freebsd-net@freebsd.org mailing list > https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.freebsd.org_mailman_listinfo_freebsd-2Dnet&d=DwICAg&c=3v6EBbtpnn9A7jIZYjOw6KN7Pe17WoimzcinOq2Xztg&r=8bLoOmn5oHKNIAaZMn9vT-uGFHfHl2RsDt1Gm40H5Lc&m=mx28wt94q13tdR7gIPooZnaYD9Es1sqgdrkPg_RJe34&s=cVMoX_GVJf9o8tmtbBi2RY6nAdbHCJT5iNhm9JzHIso&e= > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >