netdev - Re: Throughput regression with `tcp: refine TSO autosizing`

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Message-ID: <1423231841.31870.133.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Fri, 06 Feb 2015 06:10:41 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Michal Kazior <michal.kazior@...to.com>
Cc:	Neal Cardwell <ncardwell@...gle.com>,
	linux-wireless <linux-wireless@...r.kernel.org>,
	Network Development <netdev@...r.kernel.org>,
	eyalpe@....mellanox.co.il
Subject: Re: Throughput regression with `tcp: refine TSO autosizing`

On Fri, 2015-02-06 at 05:53 -0800, Eric Dumazet wrote:


> wifi could eventually do that, providing in skb->tx_completion_delay_us
> the time spent in wifi driver.
> 
> This way, we would have no penalty for network devices doing normal skb
> orphaning (loopback interface, ethernet, ...)

Another way would be that wifi does an automatic orphaning after 1 or
2ms.


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