From owner-svn-src-projects@FreeBSD.ORG Wed Jun 3 15:55:46 2015 Return-Path: Delivered-To: svn-src-projects@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 53ACFD7B; Wed, 3 Jun 2015 15:55:46 +0000 (UTC) (envelope-from sbruno@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 274831B9C; Wed, 3 Jun 2015 15:55:46 +0000 (UTC) (envelope-from sbruno@FreeBSD.org) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id t53Ftkwf025472; Wed, 3 Jun 2015 15:55:46 GMT (envelope-from sbruno@FreeBSD.org) Received: (from sbruno@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id t53Ftk5S025471; Wed, 3 Jun 2015 15:55:46 GMT (envelope-from sbruno@FreeBSD.org) Message-Id: <201506031555.t53Ftk5S025471@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: sbruno set sender to sbruno@FreeBSD.org using -f From: Sean Bruno Date: Wed, 3 Jun 2015 15:55:46 +0000 (UTC) To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r283953 - projects/em_mq/share/man/man4 X-SVN-Group: projects MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-projects@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "SVN commit messages for the src " projects" tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Jun 2015 15:55:46 -0000 Author: sbruno Date: Wed Jun 3 15:55:45 2015 New Revision: 283953 URL: https://svnweb.freebsd.org/changeset/base/283953 Log: Update man page with review comments from wblock. Update BUGS section with requested text from Intel regarding MSI-X + EM_MULTIQUEUE Modified: projects/em_mq/share/man/man4/em.4 Modified: projects/em_mq/share/man/man4/em.4 ============================================================================== --- projects/em_mq/share/man/man4/em.4 Wed Jun 3 15:43:55 2015 (r283952) +++ projects/em_mq/share/man/man4/em.4 Wed Jun 3 15:55:45 2015 (r283953) @@ -206,13 +206,17 @@ prompt before booting the kernel or stor .Xr loader.conf 5 . .Bl -tag -width indent .It Va hw.em.eee_setting -Disable or Enable Energy Efficient Ethernet. Default 1 (disabled). +Disable or enable Energy Efficient Ethernet. +Default 1 (disabled). .It Va hw.em.msix -Enable or Disable MSI-X style interrupts. Default 1 (on). +Enable or disable MSI-X style interrupts. +Default 1 (enabled). .It Va hw.em.smart_pwr_down -Enable or Disable smart power down features on newer adapters. Default 0 (off). +Enable or disable smart power down features on newer adapters. +Default 0 (disabled). .It Va hw.em.sbp -Show bad packets when in promiscuous mode. Default 0 (off). +Show bad packets when in promiscuous mode. +Default 0 (off). .It Va hw.em.rxd Number of receive descriptors allocated by the driver. The default value is 1024 for adapters newer than 82547, @@ -245,7 +249,8 @@ If is non-zero, this tunable limits the maximum delay in which a transmit interrupt is generated. .It Va hw.em.num_queues -Number of h/w queues that we will run on this adapter. Max 2. Defaults to 1. +Number of hardware queues that will be configured on this adapter (maximum of 2) +Defaults to 1. Only valid with kernel configuration .Cd "options EM_MULTIQUEUE". .El @@ -307,3 +312,6 @@ You can enable it on an .Nm interface using .Xr ifconfig 8 . +.Pp +Activating EM_MULTIQUEUE support disables MSI-X features by default. +Until these issues are resolved, no not run MSI-X with EM_MULTIQUEUE.