Date: Wed, 17 Jul 2013 12:01:36 +0000 (UTC) From: naddy@mips.inka.de (Christian Weisgerber) To: freebsd-net@freebsd.org Subject: Re: sis(4) flow control Message-ID: <ks6130$er3$1@lorvorc.mips.inka.de> References: <51DC1599.8040805@incore.de> <20130711002557.GA6697@michelle.cdnetworks.com> <51E1B8F0.5030100@incore.de> <20130714100347.GA1105@michelle.cdnetworks.com>
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Yonghyeon PYUN <pyunyh@gmail.com> wrote: > msk(4) supported flow-control from day 1 with a hack and it was > re-implemented later with proper way such that it always announces > flow-control. However for other drivers(i.e vr(4)) that didn't > support the feature in the beginning, you have to explicitly enable > the feature. The decision was made to provide compatibility and to > not introduce POLA. Funny how POLA is different for different people. I'm completely surprised that flow control isn't enabled by default, and the fact that this differs between drivers is outright bizarre. The flowcontrol option is also not mentioned in the media type section of the drivers' man pages. Until I stumbled over this thread, I had no idea it existed. I just blindly tried # ifconfig nfe0 mediaopt flowcontrol on a machine here and, lo and behold, it is successfully enabled. -- Christian "naddy" Weisgerber naddy@mips.inka.de
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