[dpdk-dev] [PATCH 1/6] net/vmxnet3: retain counters on restart
Shrikrishna Khare
skhare at shri-linux.eng.vmware.com
Wed May 24 23:09:40 CEST 2017
On Fri, 19 May 2017, Charles (Chas) Williams wrote:
> From: Nachiketa Prachanda <nprachan at brocade.com>
>
> Most nics like virtio, igb/ixgbe etc. don't reset counters on
> dev_start and arguably this helps in monitoring the counters
> across a longer time span with multiple device start/stops.
> vmxnet3 behavior is opposite to that and counters are reset by
> the host side implementation each time the device is restarted.
>
> Change the driver to save the counters in its private context
> before it is reset by writing CMD_ACTIVATE to REG_CMD.
>
> Signed-off-by: Nachiketa Prachanda <nprachan at brocade.com>
This won't be able to deal with vMotion or suspend/resume?
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