netdev - [PATCH] ipvlan: Support bonding events

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Message-ID: <20250105003813.1222118-1-champetier.etienne@gmail.com>
Date: Sat,  4 Jan 2025 19:36:19 -0500
From: Etienne Champetier <champetier.etienne@...il.com>
To: 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>,
	netdev@...r.kernel.org
Cc: Etienne Champetier <champetier.etienne@...il.com>
Subject: [PATCH] ipvlan: Support bonding events

This allows ipvlan to function properly on top of
bonds using active-backup mode.
This was implemented for macvlan in 2014 in commit
4c9912556867 ("macvlan: Support bonding events").

Signed-off-by: Etienne Champetier <champetier.etienne@...il.com>
---
 drivers/net/ipvlan/ipvlan_main.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index ee2c3cf4df36..da3a97a65507 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -799,6 +799,12 @@ static int ipvlan_device_event(struct notifier_block *unused,
 	case NETDEV_PRE_TYPE_CHANGE:
 		/* Forbid underlying device to change its type. */
 		return NOTIFY_BAD;
+
+	case NETDEV_NOTIFY_PEERS:
+	case NETDEV_BONDING_FAILOVER:
+	case NETDEV_RESEND_IGMP:
+		list_for_each_entry(ipvlan, &port->ipvlans, pnode)
+			call_netdevice_notifiers(event, ipvlan->dev);
 	}
 	return NOTIFY_DONE;
 }
-- 
2.47.1