[PATCH mlx5-next v1 1/4] net/mlx5: Declare more strictly devlink encap mode

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From: Leon Romanovsky <leonro@xxxxxxxxxxxx>

Devlink has UAPI declaration for encap mode, so there is no
need to be loose on the data get/set by drivers.

Update call sites to use enum devlink_eswitch_encap_mode
instead of plain u8.

Suggested-by: Parav Pandit <parav@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
 drivers/net/ethernet/mellanox/mlx5/core/eswitch.h         | 8 +++++---
 .../net/ethernet/mellanox/mlx5/core/eswitch_offloads.c    | 6 ++++--
 include/net/devlink.h                                     | 6 ++++--
 net/core/devlink.c                                        | 6 ++++--
 4 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index ed3fad689ec9..e264dfc64a6e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -175,7 +175,7 @@ struct mlx5_esw_offload {
 	DECLARE_HASHTABLE(mod_hdr_tbl, 8);
 	u8 inline_mode;
 	u64 num_flows;
-	u8 encap;
+	enum devlink_eswitch_encap_mode encap;
 };

 /* E-Switch MC FDB table hash node */
@@ -356,9 +356,11 @@ int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode,
 					 struct netlink_ext_ack *extack);
 int mlx5_devlink_eswitch_inline_mode_get(struct devlink *devlink, u8 *mode);
 int mlx5_eswitch_inline_mode_get(struct mlx5_eswitch *esw, int nvfs, u8 *mode);
-int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink, u8 encap,
+int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink,
+					enum devlink_eswitch_encap_mode encap,
 					struct netlink_ext_ack *extack);
-int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink, u8 *encap);
+int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink,
+					enum devlink_eswitch_encap_mode *encap);
 void *mlx5_eswitch_get_uplink_priv(struct mlx5_eswitch *esw, u8 rep_type);

 int mlx5_eswitch_add_vlan_action(struct mlx5_eswitch *esw,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index e09ae27485ee..f1571163143d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -2137,7 +2137,8 @@ int mlx5_eswitch_inline_mode_get(struct mlx5_eswitch *esw, int nvfs, u8 *mode)
 	return 0;
 }

-int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink, u8 encap,
+int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink,
+					enum devlink_eswitch_encap_mode encap,
 					struct netlink_ext_ack *extack)
 {
 	struct mlx5_core_dev *dev = devlink_priv(devlink);
@@ -2186,7 +2187,8 @@ int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink, u8 encap,
 	return err;
 }

-int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink, u8 *encap)
+int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink,
+					enum devlink_eswitch_encap_mode *encap)
 {
 	struct mlx5_core_dev *dev = devlink_priv(devlink);
 	struct mlx5_eswitch *esw = dev->priv.eswitch;
diff --git a/include/net/devlink.h b/include/net/devlink.h
index 1c4adfb4195a..7a34fc586def 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -530,8 +530,10 @@ struct devlink_ops {
 	int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
 	int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
 				       struct netlink_ext_ack *extack);
-	int (*eswitch_encap_mode_get)(struct devlink *devlink, u8 *p_encap_mode);
-	int (*eswitch_encap_mode_set)(struct devlink *devlink, u8 encap_mode,
+	int (*eswitch_encap_mode_get)(struct devlink *devlink,
+				      enum devlink_eswitch_encap_mode *p_encap_mode);
+	int (*eswitch_encap_mode_set)(struct devlink *devlink,
+				      enum devlink_eswitch_encap_mode encap_mode,
 				      struct netlink_ext_ack *extack);
 	int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
 			struct netlink_ext_ack *extack);
diff --git a/net/core/devlink.c b/net/core/devlink.c
index d43bc52b8840..47ae69363b07 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -1552,7 +1552,8 @@ static int devlink_nl_eswitch_fill(struct sk_buff *msg, struct devlink *devlink,
 				   u32 seq, int flags)
 {
 	const struct devlink_ops *ops = devlink->ops;
-	u8 inline_mode, encap_mode;
+	enum devlink_eswitch_encap_mode encap_mode;
+	u8 inline_mode;
 	void *hdr;
 	int err = 0;
 	u16 mode;
@@ -1628,7 +1629,8 @@ static int devlink_nl_cmd_eswitch_set_doit(struct sk_buff *skb,
 {
 	struct devlink *devlink = info->user_ptr[0];
 	const struct devlink_ops *ops = devlink->ops;
-	u8 inline_mode, encap_mode;
+	enum devlink_eswitch_encap_mode encap_mode;
+	u8 inline_mode;
 	int err = 0;
 	u16 mode;

--
2.20.1




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