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    SubjectRe: Network drivers that don't suspend on interface down
    On Wed, 20 Dec 2006 12:53:14 +0000, Matthew Garrett wrote:
    > The situation is more complicated for wireless. Userspace expects to be
    > able to get scan results from the card even if the interface is down.

    User space should get an error when trying to get scan results from the
    interface that is down. Some drivers are broken and don't do this but
    when they're fixed there is no problem here.

    > In that case, I'm pretty sure we need a third state rather than just
    > "up" or "down".

    We have that third state, it's IFF_DORMANT. Not supported yet by any
    wireless driver/stack, unfortunately.



    Jiri Benc
    SUSE Labs
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