netdev - [net-next 04/15] net/mlx5: fs, make get_root

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Message-ID: <20240911201757.1505453-5-saeed@kernel.org>
Date: Wed, 11 Sep 2024 13:17:46 -0700
From: Saeed Mahameed <saeed@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Eric Dumazet <edumazet@...gle.com>
Cc: Saeed Mahameed <saeedm@...dia.com>,
	netdev@...r.kernel.org,
	Tariq Toukan <tariqt@...dia.com>,
	Gal Pressman <gal@...dia.com>,
	Leon Romanovsky <leonro@...dia.com>,
	Moshe Shemesh <moshe@...dia.com>,
	Yevgeny Kliteynik <kliteyn@...dia.com>
Subject: [net-next 04/15] net/mlx5: fs, make get_root_namespace API function

From: Moshe Shemesh <moshe@...dia.com>

As preparation for HW Steering support, where the function
get_root_namespace() is needed to get root FDB, make it an API function
and rename it to mlx5_get_root_namespace().

Reviewed-by: Yevgeny Kliteynik <kliteyn@...dia.com>
Signed-off-by: Moshe Shemesh <moshe@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 .../net/ethernet/mellanox/mlx5/core/fs_core.c    | 16 ++++++++--------
 include/linux/mlx5/fs.h                          |  3 +++
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index a47d6419160d..e32725487702 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -3590,8 +3590,8 @@ int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn)
 }
 EXPORT_SYMBOL(mlx5_fs_remove_rx_underlay_qpn);
 
-static struct mlx5_flow_root_namespace
-*get_root_namespace(struct mlx5_core_dev *dev, enum mlx5_flow_namespace_type ns_type)
+struct mlx5_flow_root_namespace *
+mlx5_get_root_namespace(struct mlx5_core_dev *dev, enum mlx5_flow_namespace_type ns_type)
 {
 	struct mlx5_flow_namespace *ns;
 
@@ -3614,7 +3614,7 @@ struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev,
 	struct mlx5_modify_hdr *modify_hdr;
 	int err;
 
-	root = get_root_namespace(dev, ns_type);
+	root = mlx5_get_root_namespace(dev, ns_type);
 	if (!root)
 		return ERR_PTR(-EOPNOTSUPP);
 
@@ -3639,7 +3639,7 @@ void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev,
 {
 	struct mlx5_flow_root_namespace *root;
 
-	root = get_root_namespace(dev, modify_hdr->ns_type);
+	root = mlx5_get_root_namespace(dev, modify_hdr->ns_type);
 	if (WARN_ON(!root))
 		return;
 	root->cmds->modify_header_dealloc(root, modify_hdr);
@@ -3655,7 +3655,7 @@ struct mlx5_pkt_reformat *mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev,
 	struct mlx5_flow_root_namespace *root;
 	int err;
 
-	root = get_root_namespace(dev, ns_type);
+	root = mlx5_get_root_namespace(dev, ns_type);
 	if (!root)
 		return ERR_PTR(-EOPNOTSUPP);
 
@@ -3681,7 +3681,7 @@ void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev,
 {
 	struct mlx5_flow_root_namespace *root;
 
-	root = get_root_namespace(dev, pkt_reformat->ns_type);
+	root = mlx5_get_root_namespace(dev, pkt_reformat->ns_type);
 	if (WARN_ON(!root))
 		return;
 	root->cmds->packet_reformat_dealloc(root, pkt_reformat);
@@ -3703,7 +3703,7 @@ mlx5_create_match_definer(struct mlx5_core_dev *dev,
 	struct mlx5_flow_definer *definer;
 	int id;
 
-	root = get_root_namespace(dev, ns_type);
+	root = mlx5_get_root_namespace(dev, ns_type);
 	if (!root)
 		return ERR_PTR(-EOPNOTSUPP);
 
@@ -3727,7 +3727,7 @@ void mlx5_destroy_match_definer(struct mlx5_core_dev *dev,
 {
 	struct mlx5_flow_root_namespace *root;
 
-	root = get_root_namespace(dev, definer->ns_type);
+	root = mlx5_get_root_namespace(dev, definer->ns_type);
 	if (WARN_ON(!root))
 		return;
 
diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h
index 3fb428ce7d1c..b744e554f014 100644
--- a/include/linux/mlx5/fs.h
+++ b/include/linux/mlx5/fs.h
@@ -342,4 +342,7 @@ void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev,
 				  struct mlx5_pkt_reformat *reformat);
 
 u32 mlx5_flow_table_id(struct mlx5_flow_table *ft);
+
+struct mlx5_flow_root_namespace *
+mlx5_get_root_namespace(struct mlx5_core_dev *dev, enum mlx5_flow_namespace_type ns_type);
 #endif
-- 
2.46.0