From nobody Fri Dec 03 17:50:27 2021 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 7327118AB547 for ; Fri, 3 Dec 2021 17:50:39 +0000 (UTC) (envelope-from jjasen@gmail.com) Received: from mail-qk1-x730.google.com (mail-qk1-x730.google.com [IPv6:2607:f8b0:4864:20::730]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4J5L2k1PLdz4tPX for ; Fri, 3 Dec 2021 17:50:38 +0000 (UTC) (envelope-from jjasen@gmail.com) Received: by mail-qk1-x730.google.com with SMTP id p4so4222684qkm.7 for ; Fri, 03 Dec 2021 09:50:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:from:date:message-id:subject:to; bh=Dg+CaCUpX1MpbOjEaPYcvai4oYnCOfTqAeM3jLyDIqo=; b=KMX2xJbKgVouhfNF/Ils/6bVYVZj2lYg7PcrdT3QNkk5I/IzbafHLxCc9oIDazYXVO Co0F0PMDmP/vKf/CwylepqtNOGk9eMK2MYL5Cheuu+S5DKiVatHzZeJ1QcaVlhSPo/Bb 7jIA35NwBBXIGNUbWw14rx0eyXl/I7QNHUGKJZyW+lTgbMd1YvQuZVb/aVc2K23Wao0+ 6tnibU2wbi8BkTOmsfdvfieLcTltlG8iaroCr2HL9D8OZwO57d0aepmya4p2XR+O0ecE mol/D4azgi/2WaJxhpTbCvK+FbI+7xcSOfxE3yRLBJSutDzTdwztzFKdPbIJASlzvB3v ZlDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=Dg+CaCUpX1MpbOjEaPYcvai4oYnCOfTqAeM3jLyDIqo=; b=wG4wGF0JW5E+alR5ogIuteAKeatXEY/AZGxEATXtW/8XLZyj1ud5fOe52bi3vNrRar Irn0Bi9nt/poNDmy1RGA7yIVl3CKPswXpuYsT5nTHUNMx78LTuriZyaR/ik1DbYSdult PwqIE71dqMVVjGqZ/ga6hw4ECYfx+WBMAK8VOZpq1qTS6xqhPUr2c4aKU/9Cck8xVWNU BxAuKOYfP6joemfYRR4ZSWUEkc5nP+cExNFxDoGIs868UHd0F+m1wgRke9/+ajnkd29S aw6rswg+ZuuCR8+TtleFLmNylAQ2r9+kZFtq8l8GDAhbs+EKwgvOnprwIY7+YnBAmPTu XVzA== X-Gm-Message-State: AOAM530bljitqIlDUKQfdPjkE5WWwbvh8/+1DCNbXWfRnw83w6+q59Hg 3qDy3Ztm4ul7zbLGHjFuf4xVKASpLWPPXn+pnoSjySIoyyg= X-Google-Smtp-Source: ABdhPJyyXc8hddWXHBu5gvS1lMJRTMqasA8rRgBUbycy1C956plmPbGTciOotNO5EKhOopXrgd3AOosaQoM/PTSlono= X-Received: by 2002:a05:620a:1585:: with SMTP id d5mr19027362qkk.96.1638553837292; Fri, 03 Dec 2021 09:50:37 -0800 (PST) List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@freebsd.org MIME-Version: 1.0 From: John Jasen Date: Fri, 3 Dec 2021 12:50:27 -0500 Message-ID: Subject: Chelsio cards, jumbo frames, memory fragmentation and performance in FreeBSD 13.x? To: FreeBSD Net , Navdeep Parhar Content-Type: multipart/alternative; boundary="0000000000006acd8305d2418be2" X-Rspamd-Queue-Id: 4J5L2k1PLdz4tPX X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20210112 header.b=KMX2xJbK; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of jjasen@gmail.com designates 2607:f8b0:4864:20::730 as permitted sender) smtp.mailfrom=jjasen@gmail.com X-Spamd-Result: default: False [-2.99 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.99)[-0.993]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20210112]; FROM_HAS_DN(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; NEURAL_HAM_LONG(-1.00)[-1.000]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::730:from]; MID_RHS_MATCH_FROMTLD(0.00)[]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; SUBJECT_ENDS_QUESTION(1.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-ThisMailContainsUnwantedMimeParts: Y --0000000000006acd8305d2418be2 Content-Type: text/plain; charset="UTF-8" Pretty close to two years ago, we tripped across conditions where heavily used FreeBSD 11.x packet-filter firewalls would slow to a crawl and load would go crazy. In a fit of hopefulness with our upgrade to FreeBSD 13.0, I removed the hw.cxgbe.largest_rx_cluster settings we put in place -- only to have our hardest hit firewall experience high load and plummeting bandwidth within a few hours. So, I have two questions -- is there a better fix for this? Or, is the approach to set largest_rx_cluster to 4k and move on? Thanks in advance! --0000000000006acd8305d2418be2--