On Thu, 14 Mar 2024 15:56:16 -0700, Jakub Kicinski <k...@kernel.org> wrote:
> On Thu, 14 Mar 2024 16:54:59 +0800 Xuan Zhuo wrote:
> > +static void virtnet_get_base_stats(struct net_device *dev,
> > + struct netdev_queue_stats_rx *rx,
> > + struct netdev_queue_stats_tx *tx)
> > +{
> > + /* The queue stats of the virtio-net will not be reset. So here we
> > + * return 0.
> > + */
> > + memset(rx, 0, sizeof(*rx));
> > + memset(tx, 0, sizeof(*tx));
> > +}
>
> /**
> * struct netdev_stat_ops - netdev ops for fine grained stats
> * @get_queue_stats_rx: get stats for a given Rx queue
> * @get_queue_stats_tx: get stats for a given Tx queue
> * @get_base_stats: get base stats (not belonging to any live instance)
> *
> * Query stats for a given object. The values of the statistics are undefined
> * on entry (specifically they are *not* zero-initialized). Drivers should
> * assign values only to the statistics they collect. Statistics which are not
> * collected must be left undefined. ^^^^^^^^^^^^^^^^^^^^^^^^
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
I see.
Thanks.
