kern/25959: commit references a PR

dfilter service dfilter at FreeBSD.ORG
Mon Nov 27 22:05:40 PST 2006


The following reply was made to PR kern/25959; it has been noted by GNATS.

From: dfilter at FreeBSD.ORG (dfilter service)
To: bug-followup at FreeBSD.org
Cc:  
Subject: Re: kern/25959: 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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