Re: [PATCH 00/13] mvneta Buffer Management and enhancements

From: Marcin Wojtas
Date: Sun Nov 22 2015 - 16:38:03 EST


2015-11-22 21:06 GMT+01:00 Arnd Bergmann <arnd@xxxxxxxx>:
> 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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