linux-kernel - RE: [PATCH net v2 2/3] r8152: modify the tx flow

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Message-ID: <5D02552B27BB4305AA91C0EFE0344CE2@realtek.com.tw>
Date:	Tue, 5 Nov 2013 20:46:14 +0800
From:	hayeswang <hayeswang@...ltek.com>
To:	'David Miller' <davem@...emloft.net>
CC:	<netdev@...r.kernel.org>, 'nic_swsd' <nic_swsd@...ltek.com>,
	<linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>
Subject: RE: [PATCH net v2 2/3] r8152: modify the tx flow

 David Miller [mailto:davem@...emloft.net] 
> Sent: Tuesday, November 05, 2013 4:53 AM
> To: Hayeswang
> Cc: netdev@...r.kernel.org; nic_swsd; 
> linux-kernel@...r.kernel.org; linux-usb@...r.kernel.org
> Subject: Re: [PATCH net v2 2/3] r8152: modify the tx flow
[...]
> The more TX work you push into the workqueue handler, the longer the
> latency for releasing the SKB and releasing all the queues that are
> waiting for release of that packet.
> 
> Do you know that sockets, queueing discplines, etc. all rely upon
> there being a timely release of SKBs once they are successfully
> transmitted?  It must happen at the earliest moment possible that
> can be reasonable obtained.

Thanks for your answer. I would resend the patches after finishing the
setting of the queue length.

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