Re: kldunload DIAGNOSTIC idea...

From: M. Warner Losh (imp_at_bsdimp.com)
Date: 07/21/04

  • Next message: Brian Fundakowski Feldman: "Re: kldunload DIAGNOSTIC idea..." 
    Date: Wed, 21 Jul 2004 08:49:26 -0600 (MDT)
To: phk@phk.freebsd.dk

    [[ only cc'd arch@ ]]

    In message: <83182.1090412961@critter.freebsd.dk>
                "Poul-Henning Kamp" <phk@phk.freebsd.dk> writes:
    : >Any ideas on how network interfaces should
    : >work in this?
    :
    : I talked with Robert briefly about this yesterday, and the problem
    : there is that struct ifnet is embedded in the softc. If the softc
    : had a pointer to the ifnet, then we could do something similar, but
    : as long as it's embedded we're stuck.

    Why is that the case? We don't detach the ifnet stuff after deleting
    the softc. Why would a pointer to ifnet in the softc make this
    easier?

    I mean, I understand that having a pointer would insulate the size of
    ifnet from the driver, but there's so many offsets in ifnet that are
    encoded in the driver that doesn't seem that big a win.

    Warner
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