From: Vlad Buslov <vladbu@nvidia.com>
Date: Tue, 19 Oct 2021 18:45:28 +0300
Subject: net/mlx5: Bridge, support replacing existing FDB entry
Patch-mainline: v5.16-rc1
Git-commit: 3518c83fc96b46d10fcb9b185334d0a012241c16
References: jsc#SLE-19253
The SWITCHDEV_FDB_ADD_TO_DEVICE is used for both adding new and replacing
existing entry. Implement support for replacing existing FDB entries in
mlx5 offload code.
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c
@@ -1160,6 +1160,10 @@ mlx5_esw_bridge_fdb_entry_init(struct ne
return ERR_CAST(vlan);
}
+ entry = mlx5_esw_bridge_fdb_lookup(bridge, addr, vid);
+ if (entry)
+ mlx5_esw_bridge_fdb_entry_notify_and_cleanup(entry, bridge);
+
entry = kvzalloc(sizeof(*entry), GFP_KERNEL);
if (!entry)
return ERR_PTR(-ENOMEM);