Subject: [net-next 05/16] net/mlx5: E-Switch, Convert a macro to a helper routine

From: Saeed Mahameed <[email-masked]>
Date: Tue, 13 Apr 2021 12:29:55 -0700

From: Parav Pandit <[email-masked]>

Convert ESW_ALLOWED macro to a helper routine so that it can be used in
other eswitch files.

Signed-off-by: Parav Pandit <[email-masked]>
Signed-off-by: Saeed Mahameed <[email-masked]>
---
 .../net/ethernet/mellanox/mlx5/core/eswitch.c | 32 +++++++++----------
 .../net/ethernet/mellanox/mlx5/core/eswitch.h |  5 +++
 2 files changed, 20 insertions(+), 17 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 9009574372fc..6a70e385beb8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1443,8 +1443,6 @@ static void mlx5_eswitch_clear_vf_vports_info(struct mlx5_eswitch *esw)
 }
 
 /* Public E-Switch API */
-#define ESW_ALLOWED(esw) ((esw) && MLX5_ESWITCH_MANAGER((esw)->dev))
-
 int mlx5_eswitch_load_vport(struct mlx5_eswitch *esw, u16 vport_num,
 			    enum mlx5_eswitch_vport_event enabled_events)
 {
@@ -1713,7 +1711,7 @@ int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int num_vfs)
 {
 	int ret;
 
-	if (!ESW_ALLOWED(esw))
+	if (!mlx5_esw_allowed(esw))
 		return 0;
 
 	down_write(&esw->mode_lock);
@@ -1773,7 +1771,7 @@ void mlx5_eswitch_disable_locked(struct mlx5_eswitch *esw, bool clear_vf)
 
 void mlx5_eswitch_disable(struct mlx5_eswitch *esw, bool clear_vf)
 {
-	if (!ESW_ALLOWED(esw))
+	if (!mlx5_esw_allowed(esw))
 		return;
 
 	down_write(&esw->mode_lock);
@@ -2023,7 +2021,7 @@ int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
 	int other_vport = 1;
 	int err = 0;
 
-	if (!ESW_ALLOWED(esw))
+	if (!mlx5_esw_allowed(esw))
 		return -EPERM;
 	if (IS_ERR(evport))
 		return PTR_ERR(evport);
@@ -2111,7 +2109,7 @@ int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
 	u8 set_flags = 0;
 	int err = 0;
 
-	if (!ESW_ALLOWED(esw))
+	if (!mlx5_esw_allowed(esw))
 		return -EPERM;
 
 	if (vlan || qos)
@@ -2140,7 +2138,7 @@ int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw,
 	bool pschk;
 	int err = 0;
 
-	if (!ESW_ALLOWED(esw))
+	if (!mlx5_esw_allowed(esw))
 		return -EPERM;
 	if (IS_ERR(evport))
 		return PTR_ERR(evport);
@@ -2248,7 +2246,7 @@ int mlx5_eswitch_set_vepa(struct mlx5_eswitch *esw, u8 setting)
 	if (!esw)
 		return -EOPNOTSUPP;
 
-	if (!ESW_ALLOWED(esw))
+	if (!mlx5_esw_allowed(esw))
 		return -EPERM;
 
 	mutex_lock(&esw->state_lock);
@@ -2269,7 +2267,7 @@ int mlx5_eswitch_get_vepa(struct mlx5_eswitch *esw, u8 *setting)
 	if (!esw)
 		return -EOPNOTSUPP;
 
-	if (!ESW_ALLOWED(esw))
+	if (!mlx5_esw_allowed(esw))
 		return -EPERM;
 
 	if (esw->mode != MLX5_ESWITCH_LEGACY)
@@ -2285,7 +2283,7 @@ int mlx5_eswitch_set_vport_trust(struct mlx5_eswitch *esw,
 	struct mlx5_vport *evport = mlx5_eswitch_get_vport(esw, vport);
 	int err = 0;
 
-	if (!ESW_ALLOWED(esw))
+	if (!mlx5_esw_allowed(esw))
 		return -EPERM;
 	if (IS_ERR(evport))
 		return PTR_ERR(evport);
@@ -2369,7 +2367,7 @@ int mlx5_eswitch_set_vport_rate(struct mlx5_eswitch *esw, u16 vport,
 	bool max_rate_supported;
 	int err = 0;
 
-	if (!ESW_ALLOWED(esw))
+	if (!mlx5_esw_allowed(esw))
 		return -EPERM;
 	if (IS_ERR(evport))
 		return PTR_ERR(evport);
@@ -2534,7 +2532,7 @@ u8 mlx5_eswitch_mode(struct mlx5_core_dev *dev)
 {
 	struct mlx5_eswitch *esw = dev->priv.eswitch;
 
-	return ESW_ALLOWED(esw) ? esw->mode : MLX5_ESWITCH_NONE;
+	return mlx5_esw_allowed(esw) ? esw->mode : MLX5_ESWITCH_NONE;
 }
 EXPORT_SYMBOL_GPL(mlx5_eswitch_mode);
 
@@ -2544,7 +2542,7 @@ mlx5_eswitch_get_encap_mode(const struct mlx5_core_dev *dev)
 	struct mlx5_eswitch *esw;
 
 	esw = dev->priv.eswitch;
-	return ESW_ALLOWED(esw) ? esw->offloads.encap :
+	return mlx5_esw_allowed(esw) ? esw->offloads.encap :
 		DEVLINK_ESWITCH_ENCAP_MODE_NONE;
 }
 EXPORT_SYMBOL(mlx5_eswitch_get_encap_mode);
@@ -2590,7 +2588,7 @@ bool mlx5_esw_hold(struct mlx5_core_dev *mdev)
 	struct mlx5_eswitch *esw = mdev->priv.eswitch;
 
 	/* e.g. VF doesn't have eswitch so nothing to do */
-	if (!ESW_ALLOWED(esw))
+	if (!mlx5_esw_allowed(esw))
 		return true;
 
 	if (down_read_trylock(&esw->mode_lock) != 0)
@@ -2607,7 +2605,7 @@ void mlx5_esw_release(struct mlx5_core_dev *mdev)
 {
 	struct mlx5_eswitch *esw = mdev->priv.eswitch;
 
-	if (ESW_ALLOWED(esw))
+	if (mlx5_esw_allowed(esw))
 		up_read(&esw->mode_lock);
 }
 
@@ -2619,7 +2617,7 @@ void mlx5_esw_get(struct mlx5_core_dev *mdev)
 {
 	struct mlx5_eswitch *esw = mdev->priv.eswitch;
 
-	if (ESW_ALLOWED(esw))
+	if (mlx5_esw_allowed(esw))
 		atomic64_inc(&esw->user_count);
 }
 
@@ -2631,7 +2629,7 @@ void mlx5_esw_put(struct mlx5_core_dev *mdev)
 {
 	struct mlx5_eswitch *esw = mdev->priv.eswitch;
 
-	if (ESW_ALLOWED(esw))
+	if (mlx5_esw_allowed(esw))
 		atomic64_dec_if_positive(&esw->user_count);
 }
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index a4b9f78bf4d6..a61a33c36fa8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -521,6 +521,11 @@ const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev);
 #define esw_debug(dev, format, ...)				\
 	mlx5_core_dbg_mask(dev, MLX5_DEBUG_ESWITCH_MASK, format, ##__VA_ARGS__)
 
+static inline bool mlx5_esw_allowed(const struct mlx5_eswitch *esw)
+{
+	return esw && MLX5_ESWITCH_MANAGER(esw->dev);
+}
+
 /* The returned number is valid only when the dev is eswitch manager. */
 static inline u16 mlx5_eswitch_manager_vport(struct mlx5_core_dev *dev)
 {
-- 
2.30.2