netdev - [PATCH net-next v2 03/10] ethtool: allow ethtool op set

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Message-ID: <8143533e-8eaa-409f-b5cd-f653fb32ac43@gmail.com>
Date: Sat, 11 Jan 2025 21:27:07 +0100
From: Heiner Kallweit <hkallweit1@...il.com>
To: Paolo Abeni <pabeni@...hat.com>, Jakub Kicinski <kuba@...nel.org>,
 David Miller <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Simon Horman <horms@...nel.org>, Andrew Lunn <andrew@...n.ch>,
 Russell King - ARM Linux <linux@...linux.org.uk>
Cc: "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH net-next v2 03/10] ethtool: allow ethtool op set_eee to set an
 NL extack message

Disabled EEE modes (e.g. because not supported by the MAC) are silently
filtered out by phylib's set_eee implementation. For being able to
present a hint to the user, expose extack as part of struct ethtool_keee.

Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
 include/linux/ethtool.h | 1 +
 net/ethtool/eee.c       | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index f711bfd75..8ee047747 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -270,6 +270,7 @@ struct ethtool_keee {
 	__ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
 	__ETHTOOL_DECLARE_LINK_MODE_MASK(advertised);
 	__ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertised);
+	struct netlink_ext_ack *extack;
 	u32	tx_lpi_timer;
 	bool	tx_lpi_enabled;
 	bool	eee_active;
diff --git a/net/ethtool/eee.c b/net/ethtool/eee.c
index bf398973e..6546d7290 100644
--- a/net/ethtool/eee.c
+++ b/net/ethtool/eee.c
@@ -129,7 +129,7 @@ ethnl_set_eee(struct ethnl_req_info *req_info, struct genl_info *info)
 {
 	struct net_device *dev = req_info->dev;
 	struct nlattr **tb = info->attrs;
-	struct ethtool_keee eee = {};
+	struct ethtool_keee eee = { .extack = info->extack };
 	bool mod = false;
 	int ret;
 
-- 
2.47.1