netdev - [PATCH iwl-next v9 03/14] net: ethtool: mm: reset verification status when link is down

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Message-Id: <20250309104648.3895551-4-faizal.abdul.rahim@linux.intel.com>
Date: Sun,  9 Mar 2025 06:46:37 -0400
From: Faizal Rahim <faizal.abdul.rahim@...ux.intel.com>
To: Tony Nguyen <anthony.l.nguyen@...el.com>,
	Przemek Kitszel <przemyslaw.kitszel@...el.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Simon Horman <horms@...nel.org>,
	Russell King <linux@...linux.org.uk>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Jesper Dangaard Brouer <hawk@...nel.org>,
	John Fastabend <john.fastabend@...il.com>,
	Furong Xu <0x1207@...il.com>,
	Russell King <rmk+kernel@...linux.org.uk>,
	Vladimir Oltean <vladimir.oltean@....com>,
	Serge Semin <fancer.lancer@...il.com>,
	Xiaolei Wang <xiaolei.wang@...driver.com>,
	Suraj Jaiswal <quic_jsuraj@...cinc.com>,
	Kory Maincent <kory.maincent@...tlin.com>,
	Gal Pressman <gal@...dia.com>,
	Jesper Nilsson <jesper.nilsson@...s.com>,
	Choong Yong Liang <yong.liang.choong@...ux.intel.com>,
	Chwee-Lin Choong <chwee.lin.choong@...el.com>,
	Faizal Rahim <faizal.abdul.rahim@...ux.intel.com>,
	Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
	Vinicius Costa Gomes <vinicius.gomes@...el.com>,
	intel-wired-lan@...ts.osuosl.org,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
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	linux-arm-kernel@...ts.infradead.org,
	bpf@...r.kernel.org
Subject: [PATCH iwl-next v9 03/14] net: ethtool: mm: reset verification status when link is down

When the link partner goes down, "ethtool --show-mm" still displays
"Verification status: SUCCEEDED," reflecting a previous state that is
no longer valid.

Reset the verification status to ensure it reflects the current state.

Signed-off-by: Faizal Rahim <faizal.abdul.rahim@...ux.intel.com>
---
 net/ethtool/mm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/ethtool/mm.c b/net/ethtool/mm.c
index bfd988464d7d..ad9b40034003 100644
--- a/net/ethtool/mm.c
+++ b/net/ethtool/mm.c
@@ -415,6 +415,10 @@ void ethtool_mmsv_link_state_handle(struct ethtool_mmsv *mmsv, bool up)
 		/* New link => maybe new partner => new verification process */
 		ethtool_mmsv_apply(mmsv);
 	} else {
+		/* Reset the reported verification state while the link is down */
+		if (mmsv->verify_enabled)
+			mmsv->status = ETHTOOL_MM_VERIFY_STATUS_INITIAL;
+
 		/* No link or pMAC not enabled */
 		ethtool_mmsv_configure_pmac(mmsv, false);
 		ethtool_mmsv_configure_tx(mmsv, false);
-- 
2.34.1