Setting full/half duplex with NE/8390 network card (EA201)

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Hi,

I have a NetGear EA201 network card in an old machine,
and I suddenly need to be able to switch this device
into 'half-duplex' mode. (I have an ethernet broadband
router whose firmware update process fails unless it's
talking half-duplex.) I have discovered ethtool, but
the Linux NE/8390 driver doesn't support it.

Is the 8390 chip(?) sufficiently well understood to
allow me to write a rudimentary duplex-switching IOCTL
for the EA201 adapter? I'm assuming that such a thing
doesn't exist already only because no-one cared enough
to write it. Would writing it now require extra
information from NetGear? Judging from the Win95
properties page for this adapter, this card supports
both choosing full/half duplex modes and setting the
MAC(?) address.

Can you help me to write a small patch for this
driver, please?

Thanks,
Chris



	
	
		
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