Commit f1951c22 authored by Haiyang Zhang's avatar Haiyang Zhang Committed by David S. Miller
Browse files

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: default avatarHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d6792a5a

Documentation/networking/netvsc.txt

+9 −0
Original line number Original line Diff line number Diff line
@@ -45,6 +45,15 @@ Features 
  like packets and significantly reduces CPU usage under heavy Rx

  like packets and significantly reduces CPU usage under heavy Rx

  load.

  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

  SR-IOV support

  --------------

  --------------

  Hyper-V supports SR-IOV as a hardware acceleration option. If SR-IOV

  Hyper-V supports SR-IOV as a hardware acceleration option. If SR-IOV

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