Marvell/SysKonnect YukonII source code available
ganbold at micom.mng.net
Tue Jan 24 18:10:44 PST 2006
At 09:55 AM 1/25/2006, you wrote:
>On Tue, Jan 24, 2006 at 11:19:05AM +0100, Andre Oppermann wrote:
> > Marvell/SysKonnect made the source code to the YukonII chips available
> > today under a BSD license:
> > http://people.freebsd.org/~andre/mykbsd60x86-22.214.171.124-src.tgz
> > I haven't tested the driver yet and I don't know if it available directly
> > from the their website already.
> > Many thanks to Gerald and Frank at SysKonnect for working with us and
> > making this possible!
>Yes, that's great news.
>Is there any chance to get a copy of data sheet for Yukon chips?
>I've tried hard to make Rx TCP/UDP checksum offload work but
>failed. ATM both Linux and OpenBSD use Rx IP checksum offload only
>but this driver enabled Rx checksum offload for TCP/UDP. So I guess
>there is somthing not listed in SK-NET Genesis data sheet. :-(
>Quick reading the source shows that this driver has the following
>1. Incomplete bus_dma(9) support. The driver uses BUS_SPACE_MAXADDR
> when it creates DMA tags which means its DMA supports any address
> without limitations. However, I'm sure Rx/Tx descriptors should
> reside in < 4GB. So the driver wouldn't work on systems with > 4GB
>2. Since the driver makes use of mbpool(9) it wouldn't work when
> bounce buffers are involved. In fact, I think the use of mbpool(9)
> is really bad as it lacks bus_dmamap_sync(9) operation.
>3. Lack of ALTQ support.
>4. The driver may not work on big-endian architectures.
>5. The driver may not work on architectures with strict-alignment.
>Btw, new sk(4) is availabe at the following URL. Due to lack of
>documentation it doesn't support YukonII yet.
I'm still having sk0: watchdog timeout in my system and I'll try new sk driver.
I will let you know if there is any issue.
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