linux-kernel - [Patch v2 net-next 2/3] net: bridge: Add offload_fail

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Message-ID: <20250403234412.1531714-3-Joseph.Huang@garmin.com>
Date: Thu, 3 Apr 2025 19:44:04 -0400
From: Joseph Huang <Joseph.Huang@...min.com>
To: <netdev@...r.kernel.org>
CC: Joseph Huang <Joseph.Huang@...min.com>,
        Joseph Huang
	<joseph.huang.2024@...il.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>,
        Roopa Prabhu
	<roopa@...dia.com>,
        Nikolay Aleksandrov <razor@...ckwall.org>,
        Simon Horman
	<horms@...nel.org>, <linux-kernel@...r.kernel.org>,
        <bridge@...ts.linux.dev>
Subject: [Patch v2 net-next 2/3] net: bridge: Add offload_fail_notification bopt

Add BR_BOOLOPT_MDB_OFFLOAD_FAIL_NOTIFICATION bool option.

Signed-off-by: Joseph Huang <Joseph.Huang@...min.com>
---
 include/uapi/linux/if_bridge.h | 1 +
 net/bridge/br.c                | 5 +++++
 net/bridge/br_private.h        | 1 +
 3 files changed, 7 insertions(+)

diff --git a/include/uapi/linux/if_bridge.h b/include/uapi/linux/if_bridge.h
index f2a6de424f3f..73876c0e2bba 100644
--- a/include/uapi/linux/if_bridge.h
+++ b/include/uapi/linux/if_bridge.h
@@ -831,6 +831,7 @@ enum br_boolopt_id {
 	BR_BOOLOPT_NO_LL_LEARN,
 	BR_BOOLOPT_MCAST_VLAN_SNOOPING,
 	BR_BOOLOPT_MST_ENABLE,
+	BR_BOOLOPT_MDB_OFFLOAD_FAIL_NOTIFICATION,
 	BR_BOOLOPT_MAX
 };
 
diff --git a/net/bridge/br.c b/net/bridge/br.c
index 183fcb362f9e..25dda554ca5b 100644
--- a/net/bridge/br.c
+++ b/net/bridge/br.c
@@ -284,6 +284,9 @@ int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on,
 	case BR_BOOLOPT_MST_ENABLE:
 		err = br_mst_set_enabled(br, on, extack);
 		break;
+	case BR_BOOLOPT_MDB_OFFLOAD_FAIL_NOTIFICATION:
+		br_opt_toggle(br, BROPT_MDB_OFFLOAD_FAIL_NOTIFICATION, on);
+		break;
 	default:
 		/* shouldn't be called with unsupported options */
 		WARN_ON(1);
@@ -302,6 +305,8 @@ int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt)
 		return br_opt_get(br, BROPT_MCAST_VLAN_SNOOPING_ENABLED);
 	case BR_BOOLOPT_MST_ENABLE:
 		return br_opt_get(br, BROPT_MST_ENABLED);
+	case BR_BOOLOPT_MDB_OFFLOAD_FAIL_NOTIFICATION:
+		return br_opt_get(br, BROPT_MDB_OFFLOAD_FAIL_NOTIFICATION);
 	default:
 		/* shouldn't be called with unsupported options */
 		WARN_ON(1);
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 5f9d6075017e..02188b7ff8e6 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -484,6 +484,7 @@ enum net_bridge_opts {
 	BROPT_VLAN_BRIDGE_BINDING,
 	BROPT_MCAST_VLAN_SNOOPING_ENABLED,
 	BROPT_MST_ENABLED,
+	BROPT_MDB_OFFLOAD_FAIL_NOTIFICATION,
 };
 
 struct net_bridge {
-- 
2.49.0