Date: Tue, 20 Apr 1999 12:11:14 -0700 From: David Greenman <dg@root.com> To: "Matthew N. Dodd" <winter@jurai.net> Cc: Paul Southworth <pauls@ieng.com>, freebsd-net@FreeBSD.ORG Subject: Re: Interfaces don't go down when network is physically down Message-ID: <199904201911.MAA10860@implode.root.com> In-Reply-To: Your message of "Tue, 20 Apr 1999 15:09:03 EDT." <Pine.BSF.4.02.9904201507410.2158-100000@sasami.jurai.net>
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>On Tue, 20 Apr 1999, David Greenman wrote: >> I can't think of any problems off hand. I think you'd want to use >> if_up() and if_down(), however, since these will do routing socket >> notifications about the state change, although I don't know if these >> are safe in all interrupt contexts. > >(from comments leading if_up() in sys/net/if.c) > * NOTE: must be called at splnet or eqivalent. > >Comments for if_down() indicate the same spl. ...yes, but that doesn't really mean anything, other than that it messes with things that need soft interrupt protection. -DG David Greenman Co-founder/Principal Architect, The FreeBSD Project - http://www.freebsd.org Creator of high-performance Internet servers - http://www.terasolutions.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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