I'm currently writing a driver to configure an ethernet switch chip (see 
TL-WR1043ND on -embedded).

I noticed that there doesn't seem to be a way to power down a phy right now 
through the ifconfig media command.

Would there be objections to extend the media subtype definitions to include an 
"off", "poweroff" or "down" media subtype, and add code to the relevant phy 
drivers to power down the phy for this media subtype?

The difference between media subtype "none" and this new one would be that 
there will be no link, even if there is a physical connection.  With media 
subtype "none", a 10 MBit/s half-duplex connection is established, potentially 
confusing the remote end about the availability of this link.  On the local 
side, the link is down, so no packets are exchanged.


Stefan

-- 
Stefan Bethke <s...@lassitu.de>   Fon +49 151 14070811



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