[PATCH net-next,v2,3/3] hv_netvsc: Update document for LRO/RSC support
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STALE2940d
From: Haiyang Zhang <hidden>
Date: 2018-09-21 18:21:59
Also in:
lkml
Subsystem:
documentation, networking [general], the rest · Maintainers:
Jonathan Corbet, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Revision v2 of 2 in this series.
Revisions (2)
- v1 [diff vs current]
- v2 current
From: Haiyang Zhang <haiyangz@microsoft.com> Update document for LRO/RSC support, and the command line info to change the setting. Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> --- Documentation/networking/netvsc.txt | 9 +++++++++ 1 file changed, 9 insertions(+)
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
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2.18.0