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Date:      Thu, 04 Oct 2018 10:24:13 -0700
From:      Bakul Shah <bakul@bitblocks.com>
To:        freebsd-arch@freebsd.org
Subject:   Re: FCP-0101: Deprecating most 10/100 Ethernet drivers
Message-ID:  <20181004172420.F08F5156E40C@mail.bitblocks.com>
In-Reply-To: Your message of "Wed, 03 Oct 2018 21:05:16 -0000." <20181003210516.GA71565@spindle.one-eyed-alien.net>
References:  <20181003210516.GA71565@spindle.one-eyed-alien.net>

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On Wed, 03 Oct 2018 21:05:16 -0000 Brooks Davis <brooks@freebsd.org> wrote:
> 
> The current list of drivers slated for REMOVAL is:
>
> ae, bfe, bm, cs, dme, ed, ep, ex, fe, pcn, rl, sf, smc, sn,
> ste, tl, tx, txp, vx, wb, xe
>
> The current list of drivers that will STAY in the tree is:
>
> dc, ffec, fxpl, hme, le, sis, vr, xl

What is the disposition of drivers not on either list?

> 10 and 100 megabit Ethernet drivers are largely irrelevant today
> and we have a significant number of them in the tree.  The ones that
> are no longer used and/or are not known to be working need to be
> removed due to the significant ongoing 'tax' on new development.

I don't understand why there is a "significant ongoing 'tax'
on new development" for old NICs.  Can the internal MI<->MD
interface be evolved in the direction where the MD drivers for
old h/w "just work"? Or is it a hopeless task?



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