[ovs-dev] [PATCH 1/1] netdev-linux: Don't set ethtool flags if flag is already set on netdev

Jesse Gross jesse at nicira.com
Thu Sep 3 19:54:32 UTC 2015


On Thu, Sep 3, 2015 at 6:53 AM, Anoob Soman <anoob.soman at citrix.com> wrote:
> Check if ethtool flags is already set on a netdev, before trying to set it.
>
> This patch works around issues with some older verison of ethernet drivers,
> which tend to reset the NIC when call to disable LRO is made, even if LRO is
> already disable on that NIC. NIC reset is not desirable in OVS upgrade scenario
> as it causes extended downtime.
>
> Signed-off-by: Anoob Soman <anoob.soman at citrix.com>

Thanks, applied to master, branch-2.4, and branch-2.3.

I did fix the typo in 'return' that prevents this from compiling though...



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