Call for e1000phy(4) testers.

[Tai-hwa Liang]

On Fri, 1 Dec 2006, Scott Long wrote:
> Tai-hwa Liang wrote:
> > On Tue, 28 Nov 2006, Pyun YongHyeon wrote:
> >> Hi,
> >>
> >> I had been writing msk(4) for FreeBSD and realized that e1000phy(4)
> >> is buggy on newer Marvell PHYs. For example, manual media selection
> >> didn't work at all and I had to stick to autoselection of the media
> >> type. The Marvell PHYs are widely used on various NICs including
> >> em(4), stge(4), sk(4), msk(4) and nfe(4). Except em(4) which does
> >> not support MII layers, correct operation of e1000phy(4) is very
> >> important to get a good link with link partner and to report link
> >> state changes to upper layers(e.g. dhclinet(8)).
> > 
> >   Thank you for working on this.
> > 
> >> With this patch you should be able to set a media type without
> >> relying on autoselection and it should supports automatic crossover
> >> for all known Marvell PHYs. I've tried hard not to break existing
> >> behaviour(e.g. Fiber transceivers) but I can't verify that as I
> >> don't have any NICs that have Marvell Fiber transceivers. The patch
> >> is somewhat ugly in that it should read a PHY ID register in several
> >> palces. It seems that there is no easy way to avoid the reading until
> >> we have PHY model/revision numbers in mii softc.
> >>
> >> If you are one of users that use stge(4), sk(4), msk(4) and nfe(4)
> >> please test and report any strange things not observed on stock
> >> version.
> >>
> >> Note for nfe(4) users:
> >> It seems that nfe(4) has bugs that it can't send packets on
> >> half-duplex media(I've got "tx v1 error 0x6004"). I guess this comes
> >> from mismatches between PHY and MAC. So you may have to set
> >> full-duplex on nfe(4) until we have a fix for the issue.
> >>
> >> You can get the latest e1000phy(4) driver from the following URL.
> >> http://people.freebsd.org/~yongari/msk/e1000phy.c
> >> http://people.freebsd.org/~yongari/msk/e1000phyreg.h
> >> http://people.freebsd.org/~yongari/msk/miidevs
> >>
> >> OR get a jumbo patch for CURRENT.
> >> http://people.freebsd.org/~yongari/msk/e1000phy.patch
> > 
> >   I have tried your e1000phy patch as well as msk.diff.HEAD on an Acer
> > Aspire 5583 WXMi laptop:
> > 
> > mskc0 at pci2:0:0:    class=0x020000 card=0x01101025 chip=0x435211ab 
> > rev=0x14 hdr=0x00
> >     vendor   = 'Marvell Semiconductor (Was: Galileo Technology Ltd)'
> >     class    = network
> >     subclass = ethernet
> > 
> >   It seems that device_attach always returns 6 regardless 
> > hw.pci.enable_msi[x]
> > is 1 or 0:
> > 
> > mskc0: <Marvell Yukon 88E8038 Gigabit Ethernet> irq 10 at device 0.0 on 
> > pci2
> > mskc0: MSI count : 2
> > pcib2: mskc0 requested unsupported memory range 0-0xffffffff (decoding 
> > 0-0, 0-0)
> > mskc0: 0x4000 bytes of rid 0x10 res 3 failed (0, 0xffffffff).
> > mskc0: Lazy allocation of 0x4 bytes rid 0x14 type 4 at 0x1000
> > mskc0: unknown device: id=0xff, rev=0x0f
> > device_attach: mskc0 attach returned 6
> > 
> 
> This is a resource allocation problem with the PCI BAR on the card. 
> Either your BIOS isn't setting it up correctly, or FreeBSD is doing
> something freakishly wrong.  Does your BIOS have a switch for 'Plug N 
> Play OS" or something to that effect?

   Nope.  FWIW, it is PhoenixBIOS 4.0 Release 6.1, v1.3211.

-- 
Cheers,
Tai-hwa Liang