net/mlx5: Create more priorities for FDB bypass namespace

Create 16 flow steering priorities for FDB bypass users.

Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index 9736f0d..a8671d7 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -2236,7 +2236,6 @@ struct mlx5_flow_namespace *mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
 
        switch (type) {
        case MLX5_FLOW_NAMESPACE_FDB:
-       case MLX5_FLOW_NAMESPACE_FDB_BYPASS:
                if (steering->fdb_root_ns)
                        return &steering->fdb_root_ns->ns;
                return NULL;
@@ -2252,6 +2251,10 @@ struct mlx5_flow_namespace *mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
                if (steering->sniffer_tx_root_ns)
                        return &steering->sniffer_tx_root_ns->ns;
                return NULL;
+       case MLX5_FLOW_NAMESPACE_FDB_BYPASS:
+               root_ns = steering->fdb_root_ns;
+               prio =  FDB_BYPASS_PATH;
+               break;
        case MLX5_FLOW_NAMESPACE_EGRESS:
        case MLX5_FLOW_NAMESPACE_EGRESS_KERNEL:
                root_ns = steering->egress_root_ns;
@@ -2843,6 +2846,28 @@ static int create_fdb_fast_path(struct mlx5_flow_steering *steering)
        return 0;
 }
 
+static int create_fdb_bypass(struct mlx5_flow_steering *steering)
+{
+       struct mlx5_flow_namespace *ns;
+       struct fs_prio *prio;
+       int i;
+
+       prio = fs_create_prio(&steering->fdb_root_ns->ns, FDB_BYPASS_PATH, 0);
+       if (IS_ERR(prio))
+               return PTR_ERR(prio);
+
+       ns = fs_create_namespace(prio, MLX5_FLOW_TABLE_MISS_ACTION_DEF);
+       if (IS_ERR(ns))
+               return PTR_ERR(ns);
+
+       for (i = 0; i < MLX5_BY_PASS_NUM_REGULAR_PRIOS; i++) {
+               prio = fs_create_prio(ns, i, 1);
+               if (IS_ERR(prio))
+                       return PTR_ERR(prio);
+       }
+       return 0;
+}
+
 static int init_fdb_root_ns(struct mlx5_flow_steering *steering)
 {
        struct fs_prio *maj_prio;
@@ -2852,12 +2877,10 @@ static int init_fdb_root_ns(struct mlx5_flow_steering *steering)
        if (!steering->fdb_root_ns)
                return -ENOMEM;
 
-       maj_prio = fs_create_prio(&steering->fdb_root_ns->ns, FDB_BYPASS_PATH,
-                                 1);
-       if (IS_ERR(maj_prio)) {
-               err = PTR_ERR(maj_prio);
+       err = create_fdb_bypass(steering);
+       if (err)
                goto out_err;
-       }
+
        err = create_fdb_fast_path(steering);
        if (err)
                goto out_err;