On Mon, Jun 10, 2019 at 04:58:48PM +0300, Ido Schimmel wrote: > On Mon, Jun 10, 2019 at 03:48:20PM +0200, Andrew Lunn wrote: > > > + # Skip 56G because this speed isn't supported with autoneg off. > > > + if [[ $speed == 56000 ]]; then > > > + continue > > > + fi > > > > Interesting. How is 56000 represented in ethtool? Listed in both > > "Supported link modes" and "Advertised link modes"? > > Hi Andrew, > > Yes. We recently sent a patch to error out if autoneg is off: Commit > 275e928f1911 ("mlxsw: spectrum: Prevent force of 56G").
I never get access to high speed links like this. Do you have a reference to why 56G needs auto-neg? What makes it different to every other link mode? Thanks Andrew