On Mon, Mar 25, 2002 at 02:44:31PM -0500, Bill Davidsen wrote:
> On 23 Mar 2002, Robert Love wrote:
>
> > Ideally we'd have a dynamically created array for the cards and hash
> > into that, but, ugh, this is getting gross especially since 99% of us
> > have one card and never remove it.
>
> To address the problem of running out of id's, a bitmap of "id's in use"
> could be used, and number recycled. This is done infrequently and overhead
> is hardly a problem, although getting things released at suspect may be.
I agree but I believe this is not the real issue.
> Getting the right options on the right card and the right card on the
> expected number is another problem. I fight that all the time on my
> laptop, with one NIC in the laptop and one in the dock. In spite of clear
> information in modules.conf giving which driver goes with each NIC (via
> alias), I don't get eth1 with no eth0 as I want, the first one is always
> eth0, loads the wrong driver when not docked, and then doesn't get
> initialized right by the startup scripts.
>
> I also have another NIC I put in a pcmcia slot to become a router on
> occasion, that also gets a random NIC number. Unfortunately it doesn't
> look like a trivial job to use the info in modules.conf to fix the general
> random numbering. The modules.conf interface seems to work in the wrong
> direction, what I think we want is "when you load this driver use this
> name", so eth2 could be the only NIC in the system under some conditions.
This is a subset of the problem I try to explain.
In this case Greg has posted a nice solution a few mails ago (using a
userland tool called ifname IIRC).
Christophe
>
> --
> bill davidsen <davidsen@tmr.com>
> CTO, TMR Associates, Inc
> Doing interesting things with little computers since 1979.
>
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-- Christophe Barbé <christophe.barbe@ufies.org> GnuPG FingerPrint: E0F6 FADF 2A5C F072 6AF8 F67A 8F45 2F1E D72C B41ECats seem go on the principle that it never does any harm to ask for what you want. --Joseph Wood Krutch
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