Link state (change) detection problems - MCS7832

["Michal Zatloukal" <myxal mxl gmail com>]

Hi,

I recently got my hands on a MOSCHIP MCS7832 NIC (USB, fast
ethernet) and NM (0.8.1) immediately starts connecting through it - even
when there's no cable attached!

My question is - whose job is it to watch/detect link state changes when a
cable is (dis-)connected? ethtool and mii-tool both report link state
correctly, but connecting and disconnecting the cable produces no kernel
message - it probably produces NO message or event, since, according to
the docs [1], the chip can only report link state as a response to host's
request ie. someone needs to periodically poll the device for link state
and no one's doing that now in Linux. What I'm asking is - is this a NM
bug or kernel bug?

Cheers,
Michal

[1] http://www.moschip.com/data/products/MCS7830/Data%20Sheet_7830.pdf

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