From: Haiyang Zhang Date: Fri, 21 Sep 2018 18:20:37 +0000 (+0000) Subject: hv_netvsc: Update document for LRO/RSC support X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=f1951c22562a4f5a5c8ba82672352f7f6e5736b2;p=android-x86%2Fkernel.git hv_netvsc: Update document for LRO/RSC support Update document for LRO/RSC support, and the command line info to change the setting. Signed-off-by: Haiyang Zhang Signed-off-by: David S. Miller --- diff --git a/Documentation/networking/netvsc.txt b/Documentation/networking/netvsc.txt index 92f5b31392fa..3bfa635bbbd5 100644 --- a/Documentation/networking/netvsc.txt +++ b/Documentation/networking/netvsc.txt @@ -45,6 +45,15 @@ Features like packets and significantly reduces CPU usage under heavy Rx load. + Large Receive Offload (LRO), or Receive Side Coalescing (RSC) + ------------------------------------------------------------- + The driver supports LRO/RSC in the vSwitch feature. It reduces the per packet + processing overhead by coalescing multiple TCP segments when possible. The + feature is enabled by default on VMs running on Windows Server 2019 and + later. It may be changed by ethtool command: + ethtool -K eth0 lro on + ethtool -K eth0 lro off + SR-IOV support -------------- Hyper-V supports SR-IOV as a hardware acceleration option. If SR-IOV