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Date:      Fri, 30 Aug 2002 07:18:42 -0700
From:      Luigi Rizzo <rizzo@icir.org>
To:        Charles Sprickman <spork@inch.com>
Cc:        freebsd-net@FreeBSD.ORG
Subject:   Re: fxp and 802.3 flow control
Message-ID:  <20020830071842.B51630@iguana.icir.org>
In-Reply-To: <Pine.BSF.4.44.0208292128480.18885-100000@shell.inch.com>; from spork@inch.com on Thu, Aug 29, 2002 at 09:30:01PM -0400
References:  <Pine.BSF.4.44.0208292128480.18885-100000@shell.inch.com>

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On Thu, Aug 29, 2002 at 09:30:01PM -0400, Charles Sprickman wrote:
> Hi,
> 
> I'm looking at this message in the archives:
> 
> http://docs.freebsd.org/cgi/getmsg.cgi?fetch=172663+0+archive/2000/freebsd-net/20000220.freebsd-net
> 
> And wondering the same thing...  Don't see anything in the fxp manpage
> about this, was Ken's patch included at some point?  Is his explanation on
> target?

there are (if i remember well) a couple of bits to manage the flow
control settings on the card. i seem to remember that toggling one of them does
prevent these packets from being generated by the peer. However, in the
end they do not seem to have any effect on performance so i do not
think it is something we need to set.
The patch is almost surely out of date, the newer fxp driver already
has fields for the flow control bits, so it is just a matter of
setting or clearing them. I don't remember the details though.

	cheers
	luigi

> Thanks,
> 
> Charles
> 
> --
> Charles Sprickman
> spork@inch.com
> 
> 
> 
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