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Re: Patch: Idea for RFC2863 conform OperStatus

from [David Brownell] [Permanent Link][Original]
To: Stefan Rompf <srompf@xxxxxx>, jamal <hadi@xxxxxxxxxx>
Subject: Re: Patch: Idea for RFC2863 conform OperStatus
From: David Brownell <david-b@xxxxxxxxxxx>
Date: Mon, 14 Oct 2002 12:03:56 -0700
Cc: kuznet@xxxxxxxxxxxxx, netdev@xxxxxxxxxxx
References: <Pine.GSO.4.30.0210140918170.26803-100000@shell.cyberus.ca> <3DAB0982.C0C6E36F@isg.de> <3DAB1305.10805@pacbell.net>
Sender: netdev-bounce@xxxxxxxxxxx
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.9) Gecko/20020513 

Right now almost all USB networking drivers make the device disappear
immediately ... certainly the ones that have made sure they handle the
USB disconnect processing correctly (no more I/O to that device!) tend
to do that, by calling unregister_netdev().


... which would let Linux implement a NotPresent(ifname) test
just by seeing if it's registered, unless that RFC demands some
more abstruse meaning.  (I've not read it lately.)



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