netdev - Re: [PATCH net-next v20 07/12] virtio_net: Implement layer 2 ethtool flow rules

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Message-ID: <20260208065146-mutt-send-email-mst@kernel.org>
Date: Sun, 8 Feb 2026 06:54:33 -0500
From: "Michael S. Tsirkin" <mst@...hat.com>
To: Daniel Jurgens <danielj@...dia.com>
Cc: netdev@...r.kernel.org, jasowang@...hat.com, pabeni@...hat.com,
	virtualization@...ts.linux.dev, parav@...dia.com,
	shshitrit@...dia.com, yohadt@...dia.com, xuanzhuo@...ux.alibaba.com,
	eperezma@...hat.com, jgg@...pe.ca, kevin.tian@...el.com,
	kuba@...nel.org, andrew+netdev@...n.ch, edumazet@...gle.com
Subject: Re: [PATCH net-next v20 07/12] virtio_net: Implement layer 2 ethtool
 flow rules

On Thu, Feb 05, 2026 at 04:47:02PM -0600, Daniel Jurgens wrote:
> @@ -295,8 +301,16 @@ struct virtnet_ff {
>  	struct virtio_net_ff_cap_data *ff_caps;
>  	struct virtio_net_ff_cap_mask_data *ff_mask;
>  	struct virtio_net_ff_actions *ff_actions;
> +	struct xarray classifiers;
> +	int num_classifiers;
> +	struct virtnet_ethtool_ff ethtool;
>  };
>  
> +static int virtnet_ethtool_flow_insert(struct virtnet_ff *ff,
> +				       struct ethtool_rx_flow_spec *fs,
> +				       u16 curr_queue_pairs);
> +static int virtnet_ethtool_flow_remove(struct virtnet_ff *ff, int location);
> +
>  #define VIRTNET_Q_TYPE_RX 0
>  #define VIRTNET_Q_TYPE_TX 1
>  #define VIRTNET_Q_TYPE_CQ 2


btw reordering code so we do not need forward declarations would make
review a tiny bit easier.


-- 
MST