From owner-freebsd-questions Wed Jun 7 19:24: 6 2000 Delivered-To: freebsd-questions@freebsd.org Received: from mass.cdrom.com (ether.cdrom.com [204.216.28.196]) by hub.freebsd.org (Postfix) with ESMTP id 80FEC37B5F5; Wed, 7 Jun 2000 19:23:58 -0700 (PDT) (envelope-from msmith@mass.cdrom.com) Received: from mass.cdrom.com (localhost [127.0.0.1]) by mass.cdrom.com (8.9.3/8.9.3) with ESMTP id TAA04108; Wed, 7 Jun 2000 19:27:35 -0700 (PDT) (envelope-from msmith@mass.cdrom.com) Message-Id: <200006080227.TAA04108@mass.cdrom.com> X-Mailer: exmh version 2.1.1 10/15/1999 To: Coleman Kane Cc: "Brech, Cary" , freebsd-hackers@FreeBSD.ORG, mblott@lucent.com, "Savio, Florie N" , Alfred Perlstein , freebsd-questions@FreeBSD.ORG Subject: Re: FreeBSD Support of Hot Swappable NICs In-reply-to: Your message of "Wed, 07 Jun 2000 22:24:46 EDT." <20000607222446.C14205@cokane.yi.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 07 Jun 2000 19:27:35 -0700 From: Mike Smith Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Actually, there's still a *lot* of work that has to be done to make this work "right" - let me say two things only: "resource allocation" "interrupt routing" > This is rather interesting, it probably would have to do with PCI BIOS support > as well, I suppose, but other than that, as long as you could safely unload and > reload the pci code without depending upon it... it may work, or maybe set up a > hook into the driver to rescan. > > Dan Nelson had the audacity to say: > > 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). > > > > -- > > Dan Nelson > > dnelson@emsphone.com > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-hackers" in the body of the message > > > > -- > Coleman Kane > President, > UC Free O.S. Users Group - http://pohl.ececs.uc.edu > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message > -- \\ Give a man a fish, and you feed him for a day. \\ Mike Smith \\ Tell him he should learn how to fish himself, \\ msmith@freebsd.org \\ and he'll hate you for a lifetime. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message