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Date:      Thu, 13 Aug 1998 08:38:23 -0700
From:      David Greenman <dg@root.com>
To:        Bill Paul <wpaul@skynet.ctr.columbia.edu>
Cc:        bazilio@monitord.vrn.ru, freebsd-hackers@FreeBSD.ORG
Subject:   Re: Some errors in XL driver ? 
Message-ID:  <199808131538.IAA11637@implode.root.com>
In-Reply-To: Your message of "Thu, 13 Aug 1998 11:10:11 EDT." <199808131510.LAA27984@skynet.ctr.columbia.edu> 

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>The oerrors counter is incremented either if there's a watchdog timeout,
>or by the xl_stats_update() routine when reading the stats counters.
>The only statistic that's counted as an output error is 'FramesDeferred,' 
>which the manual describes as the number of times a transmit packet must
>defer to network traffic. These occur only in half-duplex modes, for
>obvious reasons. Perhaps it's not correct to account for this as an 
>output error?

   I don't know exactly what it means by 'FramesDeferred', but I don't think
it should be included as an output error. oerrors should only be incremented
when a packet is dropped due to a failure of some kind, e.g. a too many
collisions, DMA underrun, or device timeout.

-DG

David Greenman
Co-founder/Principal Architect, The FreeBSD Project

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