netdev - RE: [PATCH v5 2/2] virtio-net: use mtu size as buffer length for big packets

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Message-ID: <PH0PR12MB5481E1300D107A08A6493B1ADC419@PH0PR12MB5481.namprd12.prod.outlook.com>
Date:   Wed, 7 Sep 2022 19:54:55 +0000
From:   Parav Pandit <parav@...dia.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>
CC:     Gavin Li <gavinl@...dia.com>,
        "stephen@...workplumber.org" <stephen@...workplumber.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "jesse.brandeburg@...el.com" <jesse.brandeburg@...el.com>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "sridhar.samudrala@...el.com" <sridhar.samudrala@...el.com>,
        "jasowang@...hat.com" <jasowang@...hat.com>,
        "loseweigh@...il.com" <loseweigh@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        "virtio-dev@...ts.oasis-open.org" <virtio-dev@...ts.oasis-open.org>,
        Gavi Teitz <gavi@...dia.com>,
        Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
        Si-Wei Liu <si-wei.liu@...cle.com>
Subject: RE: [PATCH v5 2/2] virtio-net: use mtu size as buffer length for big
 packets


> From: Michael S. Tsirkin <mst@...hat.com>
> Sent: Wednesday, September 7, 2022 3:38 PM
> 
> and if possible a larger ring. 1k?

What do you expect to see here for which test report should be added to commit log?
What is special about 1k vs 512, 128 and 2k? is 1K default for some configuration?