Date: Tue, 28 Nov 2006 05:40:26 GMT From: dfilter@FreeBSD.ORG (dfilter service) To: freebsd-bugs@FreeBSD.org Subject: Re: kern/27995: commit references a PR Message-ID: <200611280540.kAS5eQXT030688@freefall.freebsd.org>
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The following reply was made to PR kern/27995; it has been noted by GNATS.
From: dfilter@FreeBSD.ORG (dfilter service)
To: bug-followup@FreeBSD.org
Cc:
Subject: Re: kern/27995: commit references a PR
Date: Tue, 28 Nov 2006 05:35:50 +0000 (UTC)
marius 2006-11-28 01:33:18 UTC
FreeBSD src repository
Modified files:
sys/pci if_pcn.c if_pcnreg.h
Log:
- Clear the PCN_MISC_ASEL bit so the media port can be actually set
via the PCN_CSR_MODE register. Along with sys/dev/mii/nsphy.c 1.26
this fixes the case of certain Am79c971-based HP cards and on-board
ones in IBM machines reporting link but not actually passing any
traffic. [1]
- Add support for the internal 10baseT PHY, which actually is used on
at least said HP cards (together with an external DP83840A in a
multiple PHYs configuration). With cards that don't make use of this
internal PHY it'll also show up in FreeBSD but not cause any harm.
This is still missing support for multiple PHYs configuration using
the internal 100baseTX and/or HomePNA PHYs together with external
PHYs or multiple external PHYs though.
- In pcn_ifmedia_upd() call pcn_reset() as otherwise the Am79C971 of
at least said HP cards can wedge when switching from the internal
10baseT PHY to the external PHY. This means that we need to also
initialize and possibly start the chip again in pcn_ifmedia_upd(),
which isn't that bad though as for setting the media port the chip
has to be powered down or stopped anyway and unlike documented
doesn't take effect until the next initialization.
PR: 27995, 25959, 72966 (likely) [1]
MFC after: 2 weeks
Revision Changes Path
1.81 +66 -12 src/sys/pci/if_pcn.c
1.15 +8 -4 src/sys/pci/if_pcnreg.h
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