CFT: msk(4) and Yukon FE+(88E8040, 88E8040T, 88E8048, 88E8070)

Pyun YongHyeon pyunyh at
Sat May 23 02:50:39 UTC 2009

On Fri, May 22, 2009 at 01:14:05PM -0400, John Baldwin wrote:
> On Thursday 21 May 2009 12:19:29 am Pyun YongHyeon wrote:
> > Hi,
> > 
> > I had been working on supporting Yukon FE+ for more than a year.
> > Lack of hardware and documentation was one of major issue to write
> > support code. Recently one user, Tanguy Bouzeloc, submitted fix
> > and the patch seems to make msk(4) work on Yukon FE+. You can get
> > the latest patch at the following URL.
> >
> > 
> > Since the patch changes a lot of code flow of driver all msk(4)
> > users would be affected. If you use msk(4) or have Yukon FE+,
> > please give it try and let me know how it goes on your box.
> FYI, I am using this on 7.x along with some other patches to get an 88E8072 
> working (it's the Yukon Extreme (0xb5) chip ID).  I finally got it to 

AFAIK Yukon Extreme also requires some workarounds for silicon bugs
as other variants of Yukon controllers.

> somewhat work today (it is having TX issues with TSO and TXCSUM enabled, 
> haven't figured out which one breaks it yet).  When I get 8 up and running I 

Yukon Extreme uses the new descriptor format, the same as Yukon
FE+, so you should have 88E8072 use that. I guess it wouldn't be
hard to add support for Yukon Extreme once msk(4) got working code
for Yukon FE+.

> will send you the current patch I have.

Ok, thanks.

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