From owner-freebsd-net@FreeBSD.ORG Wed Jul 25 17:25:27 2012 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F1C4C106566B for ; Wed, 25 Jul 2012 17:25:27 +0000 (UTC) (envelope-from jeffrey.e.pieper@intel.com) Received: from mga03.intel.com (mga03.intel.com [143.182.124.21]) by mx1.freebsd.org (Postfix) with ESMTP id BC0D58FC18 for ; Wed, 25 Jul 2012 17:25:27 +0000 (UTC) Received: from azsmga002.ch.intel.com ([10.2.17.35]) by azsmga101.ch.intel.com with ESMTP; 25 Jul 2012 10:25:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="126817714" Received: from orsmsx603.amr.corp.intel.com ([10.22.226.49]) by AZSMGA002.ch.intel.com with ESMTP; 25 Jul 2012 10:25:27 -0700 Received: from orsmsx106.amr.corp.intel.com (10.22.225.133) by orsmsx603.amr.corp.intel.com (10.22.226.49) with Microsoft SMTP Server (TLS) id 8.2.255.0; Wed, 25 Jul 2012 10:25:26 -0700 Received: from orsmsx101.amr.corp.intel.com ([169.254.8.93]) by ORSMSX106.amr.corp.intel.com ([169.254.5.44]) with mapi id 14.01.0355.002; Wed, 25 Jul 2012 10:25:26 -0700 From: "Pieper, Jeffrey E" To: "freebsd-net@freebsd.org" Thread-Topic: Enable/Disable flow control in FreeBSD Thread-Index: AQHNakJLR8dAmaFfEkek4z8iugK99pc6bMGA///PujA= Date: Wed, 25 Jul 2012 17:25:25 +0000 Message-ID: <2A35EA60C3C77D438915767F458D65685052DEB4@ORSMSX101.amr.corp.intel.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.22.254.139] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: RE: Enable/Disable flow control in FreeBSD X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Jul 2012 17:25:28 -0000 -----Original Message----- From: owner-freebsd-net@freebsd.org [mailto:owner-freebsd-net@freebsd.org] = On Behalf Of Nikolay Denev Sent: Wednesday, July 25, 2012 6:04 AM To: m s Cc: freebsd-net@freebsd.org Subject: Re: Enable/Disable flow control in FreeBSD On Jul 25, 2012, at 11:47 AM, m s wrote: > Hi all. I want to disbale flow control on network interfaces.I must do a > test and I can't because flow control in enable.Is it enable as default?H= ow > I can disable it? > Thanks > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > >It depends on whether the driver supports it. >The drivers that support it can control it with the ifconfig(8) media opti= ons. >You can try "ifconfig -m $your_interface" to see if there are any mediaopt= s regarding flow control. Intel devices use sysctl to enable/disable flow control: #sysctl -a|grep fc dev.em.X.fc:3 dev.igb.X.fc:3 dev.ix.X.fc:3 Hope this helps.