netdev - Re: [PATCH net-next 0/8] virtio-net: support dynamic notification coalescing moderation

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Date: Mon, 14 Aug 2023 12:38:28 +0800
From: Jason Wang <jasowang@...hat.com>
To: Heng Qi <hengqi@...ux.alibaba.com>
Cc: "Michael S . Tsirkin" <mst@...hat.com>, netdev@...r.kernel.org, 
	virtualization@...ts.linux-foundation.org, 
	"David S . Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Alexei Starovoitov <ast@...nel.org>, 
	Daniel Borkmann <daniel@...earbox.net>, Jesper Dangaard Brouer <hawk@...nel.org>, 
	John Fastabend <john.fastabend@...il.com>, Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Subject: Re: [PATCH net-next 0/8] virtio-net: support dynamic notification
 coalescing moderation

On Fri, Aug 11, 2023 at 2:55 PM Heng Qi <hengqi@...ux.alibaba.com> wrote:
>
> Now, virtio-net already supports per-queue notification coalescing parameter
> setting. Based on this, we use the netdim library[1] of linux to support
> dynamic notification coalescing moderation for virtio-net.
>
> [1] https://docs.kernel.org/networking/net_dim.html

Do you have perf numbers?

Thanks

>
> This series also introduces some extractions and fixes. Please review.
>
> Heng Qi (8):
>   virtio-net: initially change the value of tx-frames
>   virtio-net: fix mismatch of getting txq tx-frames param
>   virtio-net: returns whether napi is complete
>   virtio-net: separate rx/tx coalescing moderation cmds
>   virtio-net: extract virtqueue coalescig cmd for reuse
>   virtio-net: support rx netdim
>   virtio-net: support tx netdim
>   virtio-net: a tiny comment update
>
>  drivers/net/virtio_net.c | 370 +++++++++++++++++++++++++++++++++------
>  1 file changed, 316 insertions(+), 54 deletions(-)
>
> --
> 2.19.1.6.gb485710b
>