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    SubjectRe: [PATCH 02/03] net/bridge: add support for EtherIP devices
    On Sat, Sep 23, 2006 at 09:01:12PM -0700, Stephen Hemminger wrote:

    > If the device looks like a duck (Ethernet), then why does it need
    > a separate ARP type. There are other tools that might work without
    > modification if it just fully pretended to be an ether device.

    This solves the problem of getting a list of all EtherIP devices. If
    they use ARPHRD_ETHER and use an ioctl in the SIOCDEVPRIVATE space is
    not a save way (not even if the ioctl uses ethip0, this device could be
    owned by another driver if EtherIP is not present).
    On the other hand, a new ARP type opens a lot of new problems. A lot of
    userspace tools and libraries must be changed. So this solutions is not
    perfect.

    Cheers,
    Joerg
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