From owner-freebsd-net@freebsd.org Fri Jun 12 23:47:45 2020 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id BDE7034A38C for ; Fri, 12 Jun 2020 23:47:45 +0000 (UTC) (envelope-from gfoster@panasas.com) Received: from NAM02-BL2-obe.outbound.protection.outlook.com (mail-bl2nam02on060e.outbound.protection.outlook.com [IPv6:2a01:111:f400:fe46::60e]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mail.protection.outlook.com", Issuer "GlobalSign Organization Validation CA - SHA256 - G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49kHTX2tgqz4G6t for ; Fri, 12 Jun 2020 23:47:43 +0000 (UTC) (envelope-from gfoster@panasas.com) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=i8AJToBRhMRMrVnHwi/ipW0uP2gh7rEwm5Bftw+nyIdzCe/ZgRmChaCRWxuMmVQ/TKdVMK+Rtg4Txg364fvxU+1lXLkkDgy9j7gwQNCo4lbNebHMB04x5ANSH3cjUCt4aO3WM3wcMlUR8B+lX6bDxXVlzEgZO3+lZbiFEK/Ego5D6YuERWU8KHEPG7eDoYFw/7J8zAH1DBtofX8yJ6nc1K9STTDbhf1LgPiXhOTIyUvl53KrJIkDYLrtmLInzOcaQga2Ic00GDXWs5uS4fXTZcZFzGD2Vjmk80lpfN+HkCjlH0uM7AlgYejpgY8nsFWrHTbsP8pFlbGPvuBcJ4WLdA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=MCGeQcydv2ocQGVog4B8rxyh7ElJh+lx6FS81tBnf84=; b=MTHyJRbIuDPy/iKWO9KUoph+LElB8TzOkOFv1zNBBxJVSPS4Kv2oGKJTqpFhAoUmMc1K5X2jZbTBnUhBz9eOpOPtMqg+2dcYUBjYiEc+mRDoydZ07Fb2mJ+XcZLSI7o1zPT/Vk7J0RUL89VMI9NOsiGvlgZDmcwmtoV+TbzrlnJF5/Y5zo6WuAtIQk4KIYHbagEyEhxDqFxUyT8tm/oPH9/mRjMj8UYarOEVC7Cwl7XJXsFoFIu3gDNVH2h0fH8vuXJmDIenEUqXe8IKXW2UObZOMwtPM8Polw55fj+5i0g2SCbRpuFScd0olSsbI+RbtLW9ZukebUajCjKF0dXuaw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=panasas.com; dmarc=pass action=none header.from=panasas.com; dkim=pass header.d=panasas.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=panasas.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=MCGeQcydv2ocQGVog4B8rxyh7ElJh+lx6FS81tBnf84=; b=L6Tecn6sgz0WPM4TkmwDj/Kmpp4o1H9nCRVQBCsCH1y9FAPm9+5TK2gaeaDuSpR2fi2WUGIPuNlNLuXQykcLoq2nG3arR3BDLyVI89pfmNCQi2O12ICN2iW55tL0ICrN5rOs0eIHZNazLww07YHmiXwIxiOCDC3LQFxHlUCgmvc= Received: from BYAPR08MB6038.namprd08.prod.outlook.com (2603:10b6:a03:c6::31) by BYAPR08MB4663.namprd08.prod.outlook.com (2603:10b6:a03:41::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3088.18; Fri, 12 Jun 2020 23:47:41 +0000 Received: from BYAPR08MB6038.namprd08.prod.outlook.com ([fe80::9077:5c2f:269c:d196]) by BYAPR08MB6038.namprd08.prod.outlook.com ([fe80::9077:5c2f:269c:d196%7]) with mapi id 15.20.3088.025; Fri, 12 Jun 2020 23:47:41 +0000 From: "Foster, Greg" To: "freebsd-net@freebsd.org" Subject: How to Increase TX Queue Priority for LACP Packets Thread-Topic: How to Increase TX Queue Priority for LACP Packets Thread-Index: AdZBE8R05PE/72svTY6segyLIx/vzA== Date: Fri, 12 Jun 2020 23:47:41 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [75.141.175.213] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: b2778e23-ede8-4775-afd3-08d80f2afef2 x-ms-traffictypediagnostic: BYAPR08MB4663: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; x-forefront-prvs: 0432A04947 x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: x/DGrDBO7saDhv8UMR6roHqzkDFxWkUaIfoGQV7W1w6MBBN4+WWH8JPr1KvY36ksdDnSrrRWV8LIx/o0Ab29zjR9ATZ7vQaXFXwwQ/R/n9jbsCDuZq5HzE+GnwBu6czSOE6t8wL/BKDSaobBjVAAqA1iZEUWsKejfHQmcoQt9JvAcfSgb0S4fg67tenJ57Z7pXE135G5sNrbZZHHow2hiquul//AzGip5A+ZRxwkHGVRB/Dc7MwO6JUGWpeeAR5AYauvpAOfhVYwuOvPrQpBnwpYNe8uEU3hJOJA3ed9aNSxv52jVPzPGQH3fvYfH2TJ x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:BYAPR08MB6038.namprd08.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(39840400004)(136003)(396003)(366004)(346002)(376002)(4744005)(2906002)(52536014)(66446008)(66476007)(33656002)(64756008)(86362001)(66946007)(66556008)(5660300002)(76116006)(71200400001)(9686003)(478600001)(55016002)(186003)(8676002)(316002)(8936002)(6506007)(26005)(7696005)(6916009); DIR:OUT; SFP:1101; x-ms-exchange-antispam-messagedata: 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 x-ms-exchange-transport-forked: True MIME-Version: 1.0 X-OriginatorOrg: panasas.com X-MS-Exchange-CrossTenant-Network-Message-Id: b2778e23-ede8-4775-afd3-08d80f2afef2 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Jun 2020 23:47:41.1816 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: acf01c9d-c699-42af-bdbb-44bf582e60b0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: vxq+ZIjzAh055cZZtdhc8XjDFCnSYjA+uvUVIWdtiUS3yhC5xwcc7AUv8s1vdM5tdjY1AEUKRwBSsLJQmjiZYw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR08MB4663 X-Rspamd-Queue-Id: 49kHTX2tgqz4G6t X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=panasas.com header.s=selector1 header.b=L6Tecn6s; dmarc=none; spf=pass (mx1.freebsd.org: domain of gfoster@panasas.com designates 2a01:111:f400:fe46::60e as permitted sender) smtp.mailfrom=gfoster@panasas.com X-Spamd-Result: default: False [-3.62 / 15.00]; NEURAL_HAM_MEDIUM(-0.95)[-0.954]; R_DKIM_ALLOW(-0.20)[panasas.com:s=selector1]; HAS_XOIP(0.00)[]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a01:111:f400::/48]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; DMARC_NA(0.00)[panasas.com]; NEURAL_HAM_LONG(-0.99)[-0.988]; RCPT_COUNT_ONE(0.00)[1]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[panasas.com:+]; NEURAL_HAM_SHORT(-0.18)[-0.180]; RCVD_IN_DNSWL_NONE(0.00)[2a01:111:f400:fe46::60e:from]; TO_DN_EQ_ADDR_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:8075, ipnet:2a01:111:f000::/36, country:US]; ARC_ALLOW(-1.00)[microsoft.com:s=arcselector9901:i=1] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.33 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.33 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, 12 Jun 2020 23:47:45 -0000 FreeBSD Networkers, We are seeing LACP port flapping on our FreeBSD 10.4/12.1 systems under dif= ferent conditions. Can someone explain or point me to the information on how to queue the LACP= packets to a higher priority queue ? We are using the Chelsio T580-LP-CR adapter/cxgbe driver. The Cheslio NICs= have 8 TX/RX queues each, but I don't know how to explicitly put the LACP packets in the higher prior= ity TX queue. I've read about PF/ALTQ and think this may be overkill our needs, and was w= ondering if there was a simpler method. Thanks Greg