Re: [PATCH net-next v6 8/8] virtio-net: support queue stat

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On Tue, 23 Apr 2024 19:31:41 +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.
> +	 */
> +	rx->bytes = 0;
> +	rx->packets = 0;
> +	rx->alloc_fail = 0;
> +	rx->hw_drops = 0;
> +	rx->hw_drop_overruns = 0;
> +	rx->csum_unnecessary = 0;
> +	rx->csum_none = 0;
> +	rx->csum_bad = 0;
> +	rx->hw_gro_packets = 0;
> +	rx->hw_gro_bytes = 0;
> +	rx->hw_gro_wire_packets = 0;
> +	rx->hw_gro_wire_bytes = 0;
> +	rx->hw_drop_ratelimits = 0;
> +
> +	tx->bytes = 0;
> +	tx->packets = 0;
> +	tx->hw_drops = 0;
> +	tx->hw_drop_errors = 0;
> +	tx->csum_none = 0;
> +	tx->needs_csum = 0;
> +	tx->hw_gso_packets = 0;
> +	tx->hw_gso_bytes = 0;
> +	tx->hw_gso_wire_packets = 0;
> +	tx->hw_gso_wire_bytes = 0;
> +	tx->hw_drop_ratelimits = 0;

Doesn't this need to be conditional based on device capabilities?
We should only assign the stats that the device is collecting
(both in base stats and per-queue).




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