Marvell/SysKonnect YukonII source code available

[Ganbold]

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/mykbsd60x86-8.12.1.3-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
>issues.
>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
>    memory.
>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.
>http://people.freebsd.org/~yongari/sk/if_sk.c
>http://people.freebsd.org/~yongari/sk/if_skreg.h

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.

Ganbold

>--
>Regards,
>Pyun YongHyeon
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