Re: Broadcom 5700/5701 Gigabit Ethernet Adapters

Richard Gooch
2002-03-11T01:15:25Z

David S. Miller writes:
> From: Richard Gooch <rgooch@ras.ucalgary.ca>
> Date: Sun, 10 Mar 2002 17:55:44 -0700
>
> David S. Miller writes:
> > The hardware is not capable of doing it, due to bugs in the hw
> > checksum implementation of the sk98 chipset. They aren't being
> > "slow" they just can't possibly implement it for you.
>
> So what is currently the best combination of gige card/driver/cost?
> What do you recommend to the budget-conscious?
>
> I can only tell you what I know performance wise about cards,
> and currently it looks like:
>
> 1) Intel E1000
> 2) Tigon2, aka. Acenic
> 3) SysKonnect sk98, but has broken TX checksums. If it had
> working TX checksums it would be in 2nd place instead of Acenic.
> This hw bug is essentially why Acenics were used for all the
> TUX benchmarks runs instead of SysKonnect cards.
> 4) Tigon3, aka. bcm57xx
>
> This may surprise some people, but frankly I think the Tigon3's PCI
> dma engine is junk based upon my current knowledge of the card. It is
> always possible I may find out something new which kills this
> perception I have of the card, but we'll see...

I note the Intel card is pretty expensive. What are these "Addtron"
cards I see listed on www.pricewatch.com for US$36 ?Is that a
supported card under another name?

> All the cards listed above have good GPL'd drivers available.

When is the E1000 driver going to be added to the kernel?

Regards,

Richard....
Permanent: rgooch@atnf.csiro.au
Current: rgooch@ras.ucalgary.ca