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Add new result codes to support TDR diagnostics in preparation for Open Alliance 1000BaseT1 TDR support: - ETHTOOL_A_CABLE_RESULT_CODE_NOISE: TDR not possible due to high noise level. - ETHTOOL_A_CABLE_RESULT_CODE_RESOLUTION_NOT_POSSIBLE: TDR resolution not possible / out of distance. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Link: https://patch.msgid.link/20240812073046.1728288-1-o.rempel@pengutronix.de Signed-off-by: Jakub Kicinski <kuba@kernel.org>