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Date:	Sun, 22 Nov 2015 22:37:56 +0100
From:	Marcin Wojtas <>
To:	Arnd Bergmann <>
Cc:	"" 
	Thomas Petazzoni <>,
	Andrew Lunn <>,
	Russell King - ARM Linux <>,
	Jason Cooper <>,
	Yair Mahalalel <>,
	Grzegorz Jaszczyk <>,
	Simon Guinot <>,
	Evan Wang <>,,
	Lior Amsalem <>,
	Tomasz Nowicki <>,
	Gregory Clément 
	"David S. Miller" <>,
	Sebastian Hesselbarth <>
Subject: Re: [PATCH 00/13] mvneta Buffer Management and enhancements


2015-11-22 21:06 GMT+01:00 Arnd Bergmann <>:
> On Sunday 22 November 2015 08:53:46 Marcin Wojtas wrote:
>> 3. Optimisations - concatenating TX descriptors' flush, basing on
>> xmit_more support and combined approach for finalizing egress processing.
>> Thanks to HR timer buffers can be released with small latency, which is
>> good for low transfer and small queues. Along with the timer, coalescing
>> irqs are used, whose threshold could be increased back to 15.
> If you are already reworking the TX path, it probably makes sense to
> support BQL as well, see the Marvell skge and sky2 drivers for examples
> using netdev_{tx_,}{sent,completed}_queue.

Good idea, I'll take a look.

Best regards,
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