Commit c7d5fa10 authored by Maor Gottlieb's avatar Maor Gottlieb Committed by Saeed Mahameed
Browse files

net/mlx5: Create more priorities for FDB bypass namespace 



Create 16 flow steering priorities for FDB bypass users.

Signed-off-by: default avatarMaor Gottlieb <maorg@nvidia.com>
Reviewed-by: default avatarMark Bloch <mbloch@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
Reviewed-by: default avatarLeon Romanovsky <leonro@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent 4588fed7

drivers/net/ethernet/mellanox/mlx5/core/fs_core.c

+29 −6
Original line number Diff line number Diff line
@@ -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;