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Date: Thu, 10 Aug 2006 22:28:15 +0400
From: "Igor Kovalenko" <igor.v.kovalenko@gmail.com>
Subject: Re: [Qemu-devel] [PATCH] lance.c emulation corrections
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To: Blue Swirl <blueswir1@hotmail.com>
Cc: qemu-devel@nongnu.org

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>
> >Looking at 7990 chip docs (main chip on lance card) it seems like there
> are
> >more features
> >not implemented; e.g. 1.6ms timer is needed to implement "normal"
> >transmission.
>
> It could be worthwhile to check if lance (Am7990) and pcnet (Am79C970A)
> drivers could be merged. This was discussed briefly some years ago:
> http://lists.gnu.org/archive/html/qemu-devel/2004-10/msg00364.html
>

Yes, a quick look shows 79c970a has one rx/tx buffer management mode which
is software-compatible with 7990 chip (SWMODE=0) There may be more
backward-compatibility bits to be unified. Anyone? :)

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<div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">&gt;Looking at 7990 chip docs (main chip on lance card) it seems like there are<br>&gt;more features
<br>&gt;not implemented; e.g. 1.6ms timer is needed to implement &quot;normal&quot;<br>&gt;transmission.<br><br>It could be worthwhile to check if lance (Am7990) and pcnet (Am79C970A)<br>drivers could be merged. This was discussed briefly some years ago:
<br><a href="http://lists.gnu.org/archive/html/qemu-devel/2004-10/msg00364.html">http://lists.gnu.org/archive/html/qemu-devel/2004-10/msg00364.html</a><br></blockquote></div><br>Yes, a quick look shows 79c970a has one rx/tx buffer management mode which is software-compatible with 7990 chip (SWMODE=0) There may be more backward-compatibility bits to be unified. Anyone? :)
<br><br>

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