From owner-freebsd-net@FreeBSD.ORG Thu Jul 17 03:15:33 2008 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 80A5A1065693 for ; Thu, 17 Jul 2008 03:15:33 +0000 (UTC) (envelope-from brde@optusnet.com.au) Received: from mail08.syd.optusnet.com.au (mail08.syd.optusnet.com.au [211.29.132.189]) by mx1.freebsd.org (Postfix) with ESMTP id 00E398FC0C for ; Thu, 17 Jul 2008 03:15:32 +0000 (UTC) (envelope-from brde@optusnet.com.au) Received: from besplex.bde.org (c220-239-252-11.carlnfd3.nsw.optusnet.com.au [220.239.252.11]) by mail08.syd.optusnet.com.au (8.13.1/8.13.1) with ESMTP id m6H3FPCl003149 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 17 Jul 2008 13:15:26 +1000 Date: Thu, 17 Jul 2008 13:15:24 +1000 (EST) From: Bruce Evans X-X-Sender: bde@besplex.bde.org To: David Christensen In-Reply-To: <5D267A3F22FD854F8F48B3D2B52381932677F1A0C3@IRVEXCHCCR01.corp.ad.broadcom.com> Message-ID: <20080717131000.K2693@besplex.bde.org> References: <5D267A3F22FD854F8F48B3D2B52381932677F1A0C3@IRVEXCHCCR01.corp.ad.broadcom.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: "freebsd-net@freebsd.org" Subject: Re: Enabling MSI-X on -CURRENT for New Network Driver 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: Thu, 17 Jul 2008 03:15:33 -0000 On Wed, 16 Jul 2008, David Christensen wrote: > I'm working on adding MSI-X support for a new network driver > and having some difficulty in actually getting an interrupt. > Does this look right? I don't know, but on FreeBSD cluster machines running RELENG_8 bce generates too many interrupts -- approx. 46000/second to deliver approx. 2 packets/second. bce works normally on FreeBSD cluster machines running RELENG_7 and earlier (2 interrupts/second to deliver systat -v output). Bruce