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

Marcin Wojtas
2015-11-22T21:37:59Z

Arnd,

2015-11-22 21:06 GMT+01:00 Arnd Bergmann <arnd@arndb.de>:
> 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,
Marcin