[Bug 261866] ixgbe(4): Resets media type -> autoselect after setting any other type on Intel 82599ES

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 14 Feb 2022 19:54:50 UTC

Krzysztof Galazka <krzysztof.galazka@intel.com> changed:

           What    |Removed                     |Added
                 CC|                            |krzysztof.galazka@intel.com

--- Comment #3 from Krzysztof Galazka <krzysztof.galazka@intel.com> ---

Setting media type on 82599ES (and other HW supported by ixgbe) is implemented
by limiting list of advertised speeds to single value and restarting
auto-negotiation. This is the way HW works - see Datasheet chapter MAC
Link Setup and Auto-Negotiation for details. I'm not sure if showing 'Ethernet
autoselect' should be considered as a bug in this case.

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