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

From: Arnd Bergmann
Date: Sun Nov 22 2015 - 15:07:26 EST

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.

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