net/mlx5e: E-Switch, Add peer fdb miss rules for vport manager or ecpf

Add peer fdb rules for E-Switch that are vport managers or ecpf device.
It is not needed for other devices.

Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 9056b0b014f69d4b30a762b8320eed5517d80089..ed986d1c9e908ee0845a1e63aa42f5c9b5ce91f3 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -1069,6 +1069,9 @@ static int esw_add_fdb_peer_miss_rules(struct mlx5_eswitch *esw,
        void *misc;
        int err;
 
+       if (!MLX5_VPORT_MANAGER(esw->dev) && !mlx5_core_is_ecpf_esw_manager(esw->dev))
+               return 0;
+
        spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
        if (!spec)
                return -ENOMEM;
@@ -1177,11 +1180,14 @@ alloc_flows_err:
 static void esw_del_fdb_peer_miss_rules(struct mlx5_eswitch *esw,
                                        struct mlx5_core_dev *peer_dev)
 {
+       u16 peer_index = mlx5_get_dev_index(peer_dev);
        struct mlx5_flow_handle **flows;
        struct mlx5_vport *vport;
        unsigned long i;
 
-       flows = esw->fdb_table.offloads.peer_miss_rules[mlx5_get_dev_index(peer_dev)];
+       flows = esw->fdb_table.offloads.peer_miss_rules[peer_index];
+       if (!flows)
+               return;
 
        if (mlx5_core_ec_sriov_enabled(esw->dev)) {
                mlx5_esw_for_each_ec_vf_vport(esw, i, vport, mlx5_core_max_ec_vfs(esw->dev)) {
@@ -1206,7 +1212,9 @@ static void esw_del_fdb_peer_miss_rules(struct mlx5_eswitch *esw,
                vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_PF);
                mlx5_del_flow_rules(flows[vport->index]);
        }
+
        kvfree(flows);
+       esw->fdb_table.offloads.peer_miss_rules[peer_index] = NULL;
 }
 
 static int esw_add_fdb_miss_rule(struct mlx5_eswitch *esw)