Date: Sun, 14 Feb 2016 02:57:05 +0000 From: "sepherosa_gmail.com (Sepherosa Ziehau)" <phabric-noreply@FreeBSD.org> To: freebsd-net@freebsd.org Subject: [Differential] [Request, 7 lines] D5273: hyperv/hn: Always do transmission scheduling. Message-ID: <differential-rev-PHID-DREV-z2xerzi3cdu43hju55zk-req@FreeBSD.org>
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--b1_96473a7a3ae0a303ea9b4f12273e881c Content-Type: text/plain; charset = "utf-8" Content-Transfer-Encoding: 8bit sepherosa_gmail.com created this revision. sepherosa_gmail.com added reviewers: network, adrian, delphij, royger, decui_microsoft.com, honzhan_microsoft.com, howard0su_gmail.com. sepherosa_gmail.com added subscribers: freebsd-net-list, freebsd-virtualization-list. REVISION SUMMARY This one gives the best performance so far. REVISION DETAIL https://reviews.freebsd.org/D5273 AFFECTED FILES sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c CHANGE DETAILS diff --git a/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c b/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c --- a/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c +++ b/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c @@ -465,6 +465,13 @@ 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)); EMAIL PREFERENCES https://reviews.freebsd.org/settings/panel/emailpreferences/ To: sepherosa_gmail.com, network, adrian, delphij, royger, decui_microsoft.com, honzhan_microsoft.com, howard0su_gmail.com Cc: freebsd-virtualization-list, freebsd-net-list --b1_96473a7a3ae0a303ea9b4f12273e881c Content-Type: text/x-patch; charset=utf-8; name="D5273.13284.patch" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="D5273.13284.patch" ZGlmZiAtLWdpdCBhL3N5cy9kZXYvaHlwZXJ2L25ldHZzYy9odl9uZXR2c2NfZHJ2X2ZyZWVic2Qu YyBiL3N5cy9kZXYvaHlwZXJ2L25ldHZzYy9odl9uZXR2c2NfZHJ2X2ZyZWVic2QuYwotLS0gYS9z eXMvZGV2L2h5cGVydi9uZXR2c2MvaHZfbmV0dnNjX2Rydl9mcmVlYnNkLmMKKysrIGIvc3lzL2Rl di9oeXBlcnYvbmV0dnNjL2h2X25ldHZzY19kcnZfZnJlZWJzZC5jCkBAIC00NjUsNiArNDY1LDEz IEBACiAJICAgIGhuX3R4X2NoaW1uZXlfc2l6ZSA8IHNjLT5obl90eF9jaGltbmV5X21heCkKIAkJ c2MtPmhuX3R4X2NoaW1uZXlfc2l6ZSA9IGhuX3R4X2NoaW1uZXlfc2l6ZTsKIAorCS8qCisJICog QWx3YXlzIHNjaGVkdWxlIHRyYW5zbWlzc2lvbiBpbnN0ZWFkIG9mIHRyeWluZworCSAqIHRvIGRv IGRpcmVjdCB0cmFuc21pc3Npb24uICBUaGlzIG9uZSBnaXZlcyB0aGUKKwkgKiBiZXN0IHBlcmZv cm1hbmNlIHNvIGZhci4KKwkgKi8KKwlzYy0+aG5fc2NoZWRfdHggPSAxOworCiAJY3R4ID0gZGV2 aWNlX2dldF9zeXNjdGxfY3R4KGRldik7CiAJY2hpbGQgPSBTWVNDVExfQ0hJTERSRU4oZGV2aWNl X2dldF9zeXNjdGxfdHJlZShkZXYpKTsKIAoK --b1_96473a7a3ae0a303ea9b4f12273e881c--
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