[PATCH net-next v3 1/3] ethtool: Add new result codes for TDR diagnostics

Oleksij Rempel
2024-08-09T07:24:50Z

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.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
include/uapi/linux/ethtool_netlink.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/include/uapi/linux/ethtool_netlink.h b/include/uapi/linux/ethtool_netlink.h
index 6d5bdcc67631a..fc814c8a5ac47 100644
--- a/include/uapi/linux/ethtool_netlink.h
+++ b/include/uapi/linux/ethtool_netlink.h
@@ -556,6 +556,10 @@ enum {
* a regular 100 Ohm cable and a part with the abnormal impedance value
*/
ETHTOOL_A_CABLE_RESULT_CODE_IMPEDANCE_MISMATCH,
+ /* TDR not possible due to high noise level */
+ ETHTOOL_A_CABLE_RESULT_CODE_NOISE,
+ /* TDR resolution not possible / out of distance */
+ ETHTOOL_A_CABLE_RESULT_CODE_RESOLUTION_NOT_POSSIBLE,
};

enum {
--
2.39.2