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Date:   Tue, 19 Jul 2022 17:26:52 -0700
From:   Jakub Kicinski <>
To:     Alvaro Karsz <>
Cc:, "Michael S. Tsirkin" <>,
        Jason Wang <>,
        "David S. Miller" <>,
        Eric Dumazet <>,
        Paolo Abeni <>
Subject: Re: [PATCH net-next v4] net: virtio_net: notifications coalescing

On Mon, 18 Jul 2022 12:11:02 +0300 Alvaro Karsz wrote:
> New VirtIO network feature: VIRTIO_NET_F_NOTF_COAL.
> Control a Virtio network device notifications coalescing parameters
> using the control virtqueue.
> A device that supports this fetature can receive
> VIRTIO_NET_CTRL_NOTF_COAL control commands.
>   Ask the network device to change the following parameters:
>   - tx_usecs: Maximum number of usecs to delay a TX notification.
>   - tx_max_packets: Maximum number of packets to send before a
>     TX notification.
>   Ask the network device to change the following parameters:
>   - rx_usecs: Maximum number of usecs to delay a RX notification.
>   - rx_max_packets: Maximum number of packets to receive before a
>     RX notification.
> VirtIO spec. patch:
> Signed-off-by: Alvaro Karsz <>

Waiting a bit longer for Michael's ack, so in case other netdev
maintainer takes this:

Reviewed-by: Jakub Kicinski <>

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