Re: [PATCH net-next,0/4] hv_netvsc: Ethtool handler to change UDP hash levels

From: David Miller
Date: Tue Aug 22 2017 - 17:08:35 EST


From: Haiyang Zhang <haiyangz@xxxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 21 Aug 2017 19:22:36 -0700

> From: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
>
> The patch set adds the functions to switch UDP hash level between
> L3 and L4 by ethtool command. UDP over IPv4 and v6 can be set
> differently. The default hash level is L4. We currently only
> allow switching TX hash level from within the guests.
>
> The ethtool callback function is triggered by command line, and
> update the per device variables of the hash level.
>
> On Azure, fragmented UDP packets is not yet supported with L4
> hashing, and may have high packet loss rate. Using L3 hashing is
> recommended in this case. This ethtool option allows a user to
> make this selection.

Series applied, thanks.