[PATCH] net/ftgmac100: Rewrite the driver

[Cédric Le Goater]

On 03/28/2017 08:32 AM, Benjamin Herrenschmidt wrote:
> On Tue, 2017-03-28 at 08:28 +0200, Cédric Le Goater wrote:
>> Simply, 'iperf -s' on the BMC  and 'iperf -c' on some other machine.
>>
>> Your v3 fixed the issue and iperf now finds :
>>
>>         ~76 Mbits/sec on the AST2500 
>>         ~32 Mbits/sec on the AST2400.
> 
> Remove all the stupid debug options in your kernel config, and you'll
> get >400Mbit on the 2500 :-) I get about 200 on a Firestone with a
> 2400 (after manually hacking the RGMII clock delays to make it work
> at 1000bT).

Sigh. is it that bad :/ OK. Let's do some tuning.  I will tell you
what I get.

C.

> I'll post a rebase to 4.10 tomorrow. Sadly 4.10 loses another 100Mbit
> probably due to kernel bloat.
> 
> Cheers,
> Ben.
>