Date: Thu, 18 Feb 2016 07:00:47 +0000 (UTC) From: Sepherosa Ziehau <sephe@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r295742 - head/sys/dev/hyperv/netvsc Message-ID: <201602180700.u1I70lVI052296@repo.freebsd.org>
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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));
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