[net-next 09/14] net/mlx5: Bridge, support replacing existing FDB entry
From: Saeed Mahameed <saeed@kernel.org>
Date: 2021-10-25 20:54:43
Subsystem:
mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers:
Saeed Mahameed, Leon Romanovsky, Tariq Toukan, Mark Bloch, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Vlad Buslov <redacted> 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 <redacted> Reviewed-by: Paul Blakey <redacted> Reviewed-by: Roi Dayan <redacted> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> --- drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c
index 33d1d2ed4cd6..f690f430f40f 100644
--- 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 net_device *dev, u16 vport_num, u16 esw_ow 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);
--
2.31.1