linux-kernel - [PATCH RFC net-next 1/5] net: core: export call_netdevice_notifiers

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Date:   Sat, 17 Sep 2022 16:17:57 -0400
From:   Sevinj Aghayeva <sevinj.aghayeva@...il.com>
To:     netdev@...r.kernel.org
Cc:     "David S. Miller" <davem@...emloft.net>, aroulin@...dia.com,
        sbrivio@...hat.com, roopa@...dia.com,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Nikolay Aleksandrov <razor@...ckwall.org>,
        linux-kernel@...r.kernel.org, bridge@...ts.linux-foundation.org,
        Sevinj Aghayeva <sevinj.aghayeva@...il.com>
Subject: [PATCH RFC net-next 1/5] net: core: export call_netdevice_notifiers_info

The function call_netdevice_notifiers_info will be used by the vlan
module for sending link-type-specific information to other modules.

Signed-off-by: Sevinj Aghayeva <sevinj.aghayeva@...il.com>
---
 include/linux/netdevice.h | 2 ++
 net/core/dev.c            | 5 ++---
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index f0068c1ff1df..56b96b1e4c4c 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2906,6 +2906,8 @@ netdev_notifier_info_to_extack(const struct netdev_notifier_info *info)
 }
 
 int call_netdevice_notifiers(unsigned long val, struct net_device *dev);
+int call_netdevice_notifiers_info(unsigned long val,
+				  struct netdev_notifier_info *info);
 
 
 extern rwlock_t				dev_base_lock;		/* Device list lock */
diff --git a/net/core/dev.c b/net/core/dev.c
index d66c73c1c734..e233145d1452 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -160,8 +160,6 @@ struct list_head ptype_base[PTYPE_HASH_SIZE] __read_mostly;
 struct list_head ptype_all __read_mostly;	/* Taps */
 
 static int netif_rx_internal(struct sk_buff *skb);
-static int call_netdevice_notifiers_info(unsigned long val,
-					 struct netdev_notifier_info *info);
 static int call_netdevice_notifiers_extack(unsigned long val,
 					   struct net_device *dev,
 					   struct netlink_ext_ack *extack);
@@ -1927,7 +1925,7 @@ static void move_netdevice_notifiers_dev_net(struct net_device *dev,
  *	are as for raw_notifier_call_chain().
  */
 
-static int call_netdevice_notifiers_info(unsigned long val,
+int call_netdevice_notifiers_info(unsigned long val,
 					 struct netdev_notifier_info *info)
 {
 	struct net *net = dev_net(info->dev);
@@ -1944,6 +1942,7 @@ static int call_netdevice_notifiers_info(unsigned long val,
 		return ret;
 	return raw_notifier_call_chain(&netdev_chain, val, info);
 }
+EXPORT_SYMBOL_GPL(call_netdevice_notifiers_info);
 
 /**
  *	call_netdevice_notifiers_info_robust - call per-netns notifier blocks
-- 
2.34.1