From owner-freebsd-stable@FreeBSD.ORG Fri Feb 29 10:41:07 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D41091065677 for ; Fri, 29 Feb 2008 10:41:07 +0000 (UTC) (envelope-from lists@c0mplx.org) Received: from home.opsec.eu (unknown [IPv6:2001:14f8:200::1]) by mx1.freebsd.org (Postfix) with ESMTP id 925208FC18 for ; Fri, 29 Feb 2008 10:41:07 +0000 (UTC) (envelope-from lists@c0mplx.org) Received: from pi by home.opsec.eu with local (Exim 4.69 (FreeBSD)) (envelope-from ) id 1JV2fr-0008Kg-5I for freebsd-stable@freebsd.org; Fri, 29 Feb 2008 11:41:07 +0100 Date: Fri, 29 Feb 2008 11:41:07 +0100 From: Kurt Jaeger To: freebsd-stable@freebsd.org Message-ID: <20080229104107.GA31985@home.opsec.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Subject: PAUSE support for Ethernet interfaces ? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Feb 2008 10:41:08 -0000 Hi! I'm researching the topic of PAUSE counters (receiving side) for FreeBSD systems. That's a sort of flow control with ethernet, see e.g.: http://www.techfest.com/networking/lan/ethernet3.htm#3.2.1 Cisco switches seem to receive and count them, which helps to find short-term (seconds) overloaded links. Can FreeBSD 6.x or 7.x handle PAUSE frames, at least receiving them ? Thanks for any pointer! -- pi@opsec.eu +49 171 3101372 12 years to go !