Skip site navigation (1)Skip section navigation (2)
Date:      Sun, 12 May 2019 12:17:57 -0500
From:      Warner Losh <imp@bsdimp.com>
To:        Eugene Grosbein <eugen@grosbein.net>
Cc:        "Julian H. Stacey" <jhs@berklix.com>, Brooks Davis <brooks@freebsd.org>, freebsd-net@freebsd.org, freebsd-current@freebsd.org
Subject:   Re: FCP-101: obsolete driver removal planned for 2019-05-18
Message-ID:  <CANCZdfpJ9FZZDcNewWgtwuu_vVQ-cvp15_DzHaC5VnfwUL6bXA@mail.gmail.com>
In-Reply-To: <b3503d0c-52ad-1234-925a-e013489b54eb@grosbein.net>
References:  <201905111433.x4BEWnlX058386@fire.js.berklix.net> <3c911071-f794-1e27-87e1-16a789a95852@grosbein.net> <CANCZdfrUNGbjBOUF0BLMf_V=qiSyoDRSLRTJgHjF-vFyPzQBWA@mail.gmail.com> <b3503d0c-52ad-1234-925a-e013489b54eb@grosbein.net>

next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, May 12, 2019, 12:00 PM Eugene Grosbein <eugen@grosbein.net> wrote:

> 12.05.2019 8:21, Warner Losh wrote:
>
> >     >> I've posted a review to remove obsolete 10 and 10/100 Ethernet
> drivers
> >     >> as previous approved in FCP-101.
> >     >> The following drivers are slated for
> >     >> removal from FreeBSD-HEAD (to be FreeBSD-13):
> >     >> ae, bm, cs, de, ed, ep, ex, fe, pcn, sf, sn, tl, tx, txp, vx, wb,
> xe
> >     > OMG ! ed ! That EOL's loads of PC boxes I have (& a show box of
> >     > spare)  that will never be able to upgrade.
> >     Do those boxes have 10M-only or 100Mbps variants of ed(4)?
> >     What kind of hardware do they have (CPU and memory-wise)?
> >
> > There are no 100M ed variants. There are some PC Card variants that have
> 100M MII connections, but they are limited to about 12Mbps due to bus
> limits. Even the PCI ones didn't have 100M mii connections.
>
> There was RTL8029AS "NE2000-compatible" 100M 32 bit PCI 2.1 adapter.
> Not sure if ed(4) supports RTL8029AS.
>

It does, but there is the same limitations. The card can't do DMA, so it's
limited by inb/outb limitations. It also only has a 10Mbps transceiver
built in. If people sold 100M attachments, it still won't do much more than
10Mbps.

Warner

>



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CANCZdfpJ9FZZDcNewWgtwuu_vVQ-cvp15_DzHaC5VnfwUL6bXA>