linux-kernel - [PATCH net-next v2 2/3] net: ethtool: Add impedance mismatch result code to cable test

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Message-Id: <20240327162918.2426792-2-paweldembicki@gmail.com>
Date: Wed, 27 Mar 2024 17:29:13 +0100
From: Pawel Dembicki <paweldembicki@...il.com>
To: netdev@...r.kernel.org
Cc: Pawel Dembicki <paweldembicki@...il.com>,
	Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Stefan Eichenberger <eichest@...il.com>,
	Dimitri Fedrau <dima.fedrau@...il.com>,
	Kory Maincent <kory.maincent@...tlin.com>,
	Maxime Chevallier <maxime.chevallier@...tlin.com>,
	Shay Agroskin <shayagr@...zon.com>,
	Ahmed Zaki <ahmed.zaki@...el.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH net-next v2 2/3] net: ethtool: Add impedance mismatch result code to cable test

Some PHYs can recognize during a cable test if the impedance in the cable
is okay.

This commit introduces a new result code:
ETHTOOL_A_CABLE_RESULT_CODE_IMPEDANCE_MISMATCH
which represents the results of a cable test indicating abnormal impedance.

Signed-off-by: Pawel Dembicki <paweldembicki@...il.com>
---
v2:
  - introduce patch

 include/uapi/linux/ethtool_netlink.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/ethtool_netlink.h b/include/uapi/linux/ethtool_netlink.h
index 3f89074aa06c..ecc020bd47d1 100644
--- a/include/uapi/linux/ethtool_netlink.h
+++ b/include/uapi/linux/ethtool_netlink.h
@@ -515,6 +515,7 @@ enum {
 	ETHTOOL_A_CABLE_RESULT_CODE_OPEN,
 	ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT,
 	ETHTOOL_A_CABLE_RESULT_CODE_CROSS_SHORT,
+	ETHTOOL_A_CABLE_RESULT_CODE_IMPEDANCE_MISMATCH,
 };
 
 enum {
-- 
2.25.1