From owner-svn-src-all@freebsd.org Thu Feb 18 07:00:49 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 211EAAABBDC; Thu, 18 Feb 2016 07:00:49 +0000 (UTC) (envelope-from sephe@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::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 E2E98C16; Thu, 18 Feb 2016 07:00:48 +0000 (UTC) (envelope-from sephe@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u1I70lZ4052297; Thu, 18 Feb 2016 07:00:47 GMT (envelope-from sephe@FreeBSD.org) Received: (from sephe@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u1I70lVI052296; Thu, 18 Feb 2016 07:00:47 GMT (envelope-from sephe@FreeBSD.org) Message-Id: <201602180700.u1I70lVI052296@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: sephe set sender to sephe@FreeBSD.org using -f From: Sepherosa Ziehau Date: Thu, 18 Feb 2016 07:00:47 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r295742 - head/sys/dev/hyperv/netvsc X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Feb 2016 07:00:49 -0000 Author: sephe Date: Thu Feb 18 07:00:47 2016 New Revision: 295742 URL: https://svnweb.freebsd.org/changeset/base/295742 Log: hyperv/hn: Always do transmission scheduling. This one gives the best performance so far. Reviewed by: adrian Approved by: adrian (mentor) MFC after: 1 week Sponsored by: Microsoft OSTC Differential Revision: https://reviews.freebsd.org/D5273 Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Thu Feb 18 06:55:05 2016 (r295741) +++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Thu Feb 18 07:00:47 2016 (r295742) @@ -465,6 +465,13 @@ netvsc_attach(device_t dev) hn_tx_chimney_size < sc->hn_tx_chimney_max) sc->hn_tx_chimney_size = hn_tx_chimney_size; + /* + * Always schedule transmission instead of trying + * to do direct transmission. This one gives the + * best performance so far. + */ + sc->hn_sched_tx = 1; + ctx = device_get_sysctl_ctx(dev); child = SYSCTL_CHILDREN(device_get_sysctl_tree(dev));