Re: [PATCH RFC net-next] net: pcs: pcs-mtk-lynxi fix mtk_pcs_lynxi_get_state() for 2500base-x

Eric Woudstra
2024-01-03T08:51:07Z

>Surely, having phylink take care whether SGMII_SPEED_DUPLEX_AN should be
>set would be even nicer.
>
>I believe that source of confusion here is simply that
>
>in-band-status != SGMII_SPEED_DUPLEX_AN
>
>We *do* have in-band-status even without having SGMII_SPEED_DUPLEX_AN set
>with 2500Base-X link mode (as in: link being up or down and link, duplex
>and speed is fixed anyway for 2500Base-X).

All clear, and even with autoneg disabled, one way or another, we now
have a non-functional 2500base-x. Cannot manipulate anything in
userland to get the connection functional. We need a fix in kernel.