Low network throughput on i.MX28

[Stefan Wahren]

> Jörg Krause <joerg.krause at embedded.rocks> hat am 29. Oktober 2016 um 01:07
> geschrieben:
> 
> 
> You mentioned [1] an optimization in the Freescale vendor Linux kernel
> [2]. I would really like to see this optimization in the mainline
> kernel.
> 
> Did you ever tried to port this code from Freescale to mainline?

Yes, i tried once but i was frustrated soon because of the lot of required
changes and resulting issues.

> 
> Is it even possible, as the mainline driver uses the DMA engine?

I think the more important part would be analyse why the Mainline driver is
slowlier. I mean to exactly identify the bottleneck.

I don't have enough time and equipment for this. I better concentrate on standby
support.

> 
> [1] http://linux-arm-kernel.infradead.narkive.com/GNkqjvo8/patch-rfc-0-
> 3-mmc-mxs-mmc-implement-ddr-support#post8
> [2] http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/commit/
> ?h=imx_2.6.35_maintain&id=b09358887fb4b67f6d497fac8cc48475c8bd292d
> 
> Best regards,
> Jörg Krause