From owner-freebsd-hackers Wed Jun 7 15:30:57 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from obie.softweyr.com (obie.softweyr.com [204.68.178.33]) by hub.freebsd.org (Postfix) with ESMTP id 9172B37B7D3; Wed, 7 Jun 2000 15:30:47 -0700 (PDT) (envelope-from wes@softweyr.com) Received: from softweyr.com (ip110.salt-lake-city9.ut.pub-ip.psi.net [38.31.167.110]) by obie.softweyr.com (8.8.8/8.8.8) with ESMTP id QAA03777; Wed, 7 Jun 2000 16:30:27 -0600 (MDT) (envelope-from wes@softweyr.com) Message-ID: <393ECCE7.76D9857@softweyr.com> Date: Wed, 07 Jun 2000 16:29:59 -0600 From: Wes Peters Organization: Softweyr LLC X-Mailer: Mozilla 4.7 [en] (X11; U; FreeBSD 4.0-STABLE i386) X-Accept-Language: en MIME-Version: 1.0 To: "Brech, Cary" , freebsd-hackers@FreeBSD.ORG, mblott@lucent.com, "Savio, Florie N" Cc: Alfred Perlstein , freebsd-questions@FreeBSD.ORG Subject: Re: FreeBSD Support of Hot Swappable NICs References: <20000607170719.A24836@dan.emsphone.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Dan Nelson wrote: > > In the last episode (Jun 07), Alfred Perlstein said: > > Brech, Cary [000607 10:33] wrote: > > > Lucent recently introduced a product that uses FreeBSD as its OS. > > > We are currently contemplating adding the ability to "Hot Swap" the > > > custom network interface cards we are developing for the next > > > release. The question we have is does FreeBSD support the ability > > > to hot swap network interface cards? > > > > > > Thanks in advance for your assistance! > > > > We can do pcmcia hot swap, but it gets hairy if the interface is > > in use, the interface should be 'downed' before removing afaik. > > Or do you mean PCI hot-plug? FreeBSD currently doesn't support > powering off PCI slots or re-probing the PCI bus after bootup, both of > which are required for hot-plug. I don't know how hard it would be to > add, either. You'll probably have to ask -hackers about that (cc and > reply-to reset there). Warner Losh has just started to look into support for CPCI, which would mandate hot-swap and bus reprobing. The CardBus support is similar in concept, too. -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC wes@softweyr.com http://softweyr.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message