netdev - [PATCH RFC net-next v2 07/18] net: ethtool: Add support for ethnl_info_init

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Message-Id: <20241030-feature_poe_port_prio-v2-7-9559622ee47a@bootlin.com>
Date: Wed, 30 Oct 2024 17:53:09 +0100
From: Kory Maincent <kory.maincent@...tlin.com>
To: Andrew Lunn <andrew@...n.ch>, Oleksij Rempel <o.rempel@...gutronix.de>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Jonathan Corbet <corbet@....net>, Donald Hunter <donald.hunter@...il.com>, 
 Rob Herring <robh@...nel.org>, Andrew Lunn <andrew+netdev@...n.ch>, 
 Simon Horman <horms@...nel.org>, Heiner Kallweit <hkallweit1@...il.com>, 
 Russell King <linux@...linux.org.uk>, Liam Girdwood <lgirdwood@...il.com>, 
 Mark Brown <broonie@...nel.org>
Cc: Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 linux-kernel@...r.kernel.org, netdev@...r.kernel.org, 
 linux-doc@...r.kernel.org, Kyle Swenson <kyle.swenson@....tech>, 
 Dent Project <dentproject@...uxfoundation.org>, kernel@...gutronix.de, 
 Maxime Chevallier <maxime.chevallier@...tlin.com>, 
 Kory Maincent <kory.maincent@...tlin.com>
Subject: [PATCH RFC net-next v2 07/18] net: ethtool: Add support for
 ethnl_info_init_ntf helper function

From: Kory Maincent (Dent Project) <kory.maincent@...tlin.com>

Introduce support for the ethnl_info_init_ntf helper function to enable
initialization of ethtool notifications outside of the netlink.c file.
This change allows for more flexible notification handling.

Signed-off-by: Kory Maincent <kory.maincent@...tlin.com>
---

changes in v2:
- new patch.
---
 net/ethtool/netlink.c | 5 +++++
 net/ethtool/netlink.h | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c
index e3f0ef6b851b..808cc8096f93 100644
--- a/net/ethtool/netlink.c
+++ b/net/ethtool/netlink.c
@@ -805,6 +805,11 @@ static void ethnl_default_notify(struct net_device *dev, unsigned int cmd,
 typedef void (*ethnl_notify_handler_t)(struct net_device *dev, unsigned int cmd,
 				       const void *data);

+void ethnl_info_init_ntf(struct genl_info *info, u8 cmd)
+{
+	genl_info_init_ntf(info, &ethtool_genl_family, cmd);
+}
+
 static const ethnl_notify_handler_t ethnl_notify_handlers[] = {
 	[ETHTOOL_MSG_LINKINFO_NTF]	= ethnl_default_notify,
 	[ETHTOOL_MSG_LINKMODES_NTF]	= ethnl_default_notify,
diff --git a/net/ethtool/netlink.h b/net/ethtool/netlink.h
index 203b08eb6c6f..d04a8e9d54db 100644
--- a/net/ethtool/netlink.h
+++ b/net/ethtool/netlink.h
@@ -322,6 +322,8 @@ struct ethnl_sock_priv {
 int ethnl_sock_priv_set(struct sk_buff *skb, struct net_device *dev, u32 portid,
 			enum ethnl_sock_type type);

+void ethnl_info_init_ntf(struct genl_info *info, u8 cmd);
+
 /**
  * struct ethnl_request_ops - unified handling of GET and SET requests
  * @request_cmd:      command id for request (GET)

-- 
2.34.1