RE: [PATCH v3 5/6] dpaa_eth: fix iova handling for contiguous frames

[Laurentiu Tudor]

> -----Original Message-----
> From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
> Sent: Friday, May 31, 2019 7:56 PM
> 
> On Fri, May 31, 2019 at 04:53:16PM +0000, Laurentiu Tudor wrote:
> > Unfortunately due to our hardware particularities we do not have
> alternatives. This is also the case for our next generation of ethernet
> drivers [1]. I'll let my colleagues that work on the ethernet drivers to
> comment more on this.
> 
> Then you need to enhance the DMA API to support your use case instead
> of using an API only supported for two specific IOMMU implementations.
> 
> Remember in Linux you can should improve core code and not hack around
> it in crappy ways making lots of assumptions in your drivers.

Alright, I'm ok with that. I'll try to come up with something, will keep you in the loop.

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Best Regards, Laurentiu