Re: Programmatically get ethernet interface speed?

From: Andrew Morton (
Date: Wed Jul 11 2001 - 20:14:15 EST

Will wrote:
> Is there a (reasonable) way to programmatically get the speed of an ethernet
> interface? So far all I've been able to do is look at net_device.if_port from the
> kernel and try to deduce the speed (10 vs 100Mbit) from the tranciever setting. This
> works fine with 3c59x, but not with eepro100, and I suspect it doesn't work with
> lots of other drivers as well.
> Any advice? I'm afraid someone is going to suggest looking at net_device.priv on a
> driver-by-driver basis.

Unfortunately we have no uniform way of doing this. You've
discovered the non-uniform way.

Our physical layer management is not good in this regard.
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