Re: [PATCH mlx5-next v1 10/11] net/mlx5: Simplify eswitch mode check

From: Roi Dayan
Date: Mon Nov 02 2020 - 09:55:02 EST




On 2020-11-01 10:15 PM, Leon Romanovsky wrote:
From: Leon Romanovsky <leonro@xxxxxxxxxx>

Provide mlx5_core device instead of "priv" pointer while checking
eswith mode.

Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
---
drivers/infiniband/hw/mlx5/counters.c | 7 -------
drivers/infiniband/hw/mlx5/ib_rep.c | 5 -----
drivers/infiniband/hw/mlx5/ib_rep.h | 6 ------
drivers/net/ethernet/mellanox/mlx5/core/dev.c | 4 ++--
drivers/net/ethernet/mellanox/mlx5/core/devlink.c | 2 +-
drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 2 +-
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 8 +++-----
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 4 +++-
include/linux/mlx5/eswitch.h | 8 ++++++--
9 files changed, 16 insertions(+), 30 deletions(-)

diff --git a/drivers/infiniband/hw/mlx5/counters.c b/drivers/infiniband/hw/mlx5/counters.c
index 70c8fd67ee2f..084652e2b15a 100644
--- a/drivers/infiniband/hw/mlx5/counters.c
+++ b/drivers/infiniband/hw/mlx5/counters.c
@@ -138,13 +138,6 @@ static int mlx5_ib_create_counters(struct ib_counters *counters,
}


-static bool is_mdev_switchdev_mode(const struct mlx5_core_dev *mdev)
-{
- return MLX5_ESWITCH_MANAGER(mdev) &&
- mlx5_ib_eswitch_mode(mdev->priv.eswitch) ==
- MLX5_ESWITCH_OFFLOADS;
-}
-
static const struct mlx5_ib_counters *get_counters(struct mlx5_ib_dev *dev,
u8 port_num)
{
diff --git a/drivers/infiniband/hw/mlx5/ib_rep.c b/drivers/infiniband/hw/mlx5/ib_rep.c
index 0dc15757cc66..9810bdd7f3bc 100644
--- a/drivers/infiniband/hw/mlx5/ib_rep.c
+++ b/drivers/infiniband/hw/mlx5/ib_rep.c
@@ -102,11 +102,6 @@ static const struct mlx5_eswitch_rep_ops rep_ops = {
.get_proto_dev = mlx5_ib_vport_get_proto_dev,
};

-u8 mlx5_ib_eswitch_mode(struct mlx5_eswitch *esw)
-{
- return mlx5_eswitch_mode(esw);
-}
-
struct mlx5_ib_dev *mlx5_ib_get_rep_ibdev(struct mlx5_eswitch *esw,
u16 vport_num)
{
diff --git a/drivers/infiniband/hw/mlx5/ib_rep.h b/drivers/infiniband/hw/mlx5/ib_rep.h
index 94bf51ddd422..93f562735e89 100644
--- a/drivers/infiniband/hw/mlx5/ib_rep.h
+++ b/drivers/infiniband/hw/mlx5/ib_rep.h
@@ -12,7 +12,6 @@
extern const struct mlx5_ib_profile raw_eth_profile;

#ifdef CONFIG_MLX5_ESWITCH
-u8 mlx5_ib_eswitch_mode(struct mlx5_eswitch *esw);
struct mlx5_ib_dev *mlx5_ib_get_rep_ibdev(struct mlx5_eswitch *esw,
u16 vport_num);
struct mlx5_ib_dev *mlx5_ib_get_uplink_ibdev(struct mlx5_eswitch *esw);
@@ -26,11 +25,6 @@ struct mlx5_flow_handle *create_flow_rule_vport_sq(struct mlx5_ib_dev *dev,
struct net_device *mlx5_ib_get_rep_netdev(struct mlx5_eswitch *esw,
u16 vport_num);
#else /* CONFIG_MLX5_ESWITCH */
-static inline u8 mlx5_ib_eswitch_mode(struct mlx5_eswitch *esw)
-{
- return MLX5_ESWITCH_NONE;
-}
-
static inline
struct mlx5_ib_dev *mlx5_ib_get_rep_ibdev(struct mlx5_eswitch *esw,
u16 vport_num)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
index 3a81c2f1971b..b051417ede67 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
@@ -47,7 +47,7 @@ static bool is_eth_rep_supported(struct mlx5_core_dev *dev)
if (!MLX5_ESWITCH_MANAGER(dev))
return false;

- if (mlx5_eswitch_mode(dev->priv.eswitch) != MLX5_ESWITCH_OFFLOADS)
+ if (!is_mdev_switchdev_mode(dev))
return false;

return true;
@@ -144,7 +144,7 @@ static bool is_ib_rep_supported(struct mlx5_core_dev *dev)
if (!MLX5_ESWITCH_MANAGER(dev))
return false;

- if (mlx5_eswitch_mode(dev->priv.eswitch) != MLX5_ESWITCH_OFFLOADS)
+ if (!is_mdev_switchdev_mode(dev))
return false;

if (mlx5_core_mp_enabled(dev))
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
index 1a351e2f6ace..aeffb6b135ee 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
@@ -221,7 +221,7 @@ static int mlx5_devlink_fs_mode_validate(struct devlink *devlink, u32 id,
u8 eswitch_mode;
bool smfs_cap;

- eswitch_mode = mlx5_eswitch_mode(dev->priv.eswitch);
+ eswitch_mode = mlx5_eswitch_mode(dev);
smfs_cap = mlx5_fs_dr_is_supported(dev);

if (!smfs_cap) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 3c4f880c6329..8d65ac888a28 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -3135,7 +3135,7 @@ static void mlx5e_modify_admin_state(struct mlx5_core_dev *mdev,

mlx5_set_port_admin_status(mdev, state);

- if (!MLX5_ESWITCH_MANAGER(mdev) || mlx5_eswitch_mode(esw) == MLX5_ESWITCH_OFFLOADS)
+ if (mlx5_eswitch_mode(mdev) != MLX5_ESWITCH_LEGACY)
return;

if (state == MLX5_PORT_UP)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index e3a968e9e2a0..7548bab78654 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -271,8 +271,6 @@ mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev,
return 0;
}

-#define esw_offloads_mode(esw) (mlx5_eswitch_mode(esw) == MLX5_ESWITCH_OFFLOADS)
-
static struct mlx5_tc_ct_priv *
get_ct_priv(struct mlx5e_priv *priv)
{
@@ -280,7 +278,7 @@ get_ct_priv(struct mlx5e_priv *priv)
struct mlx5_rep_uplink_priv *uplink_priv;
struct mlx5e_rep_priv *uplink_rpriv;

- if (esw_offloads_mode(esw)) {
+ if (is_mdev_switchdev_mode(priv->mdev)) {
uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
uplink_priv = &uplink_rpriv->uplink_priv;

@@ -297,7 +295,7 @@ mlx5_tc_rule_insert(struct mlx5e_priv *priv,
{
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;

- if (esw_offloads_mode(esw))
+ if (is_mdev_switchdev_mode(priv->mdev))
return mlx5_eswitch_add_offloaded_rule(esw, spec, attr);

return mlx5e_add_offloaded_nic_rule(priv, spec, attr);
@@ -310,7 +308,7 @@ mlx5_tc_rule_delete(struct mlx5e_priv *priv,
{
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;

- if (esw_offloads_mode(esw)) {
+ if (is_mdev_switchdev_mode(priv->mdev)) {
mlx5_eswitch_del_offloaded_rule(esw, rule, attr);

return;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index b652b4bde733..b44f28fb5518 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -2439,8 +2439,10 @@ int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw,
return err;
}

-u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw)
+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;
}
EXPORT_SYMBOL_GPL(mlx5_eswitch_mode);
diff --git a/include/linux/mlx5/eswitch.h b/include/linux/mlx5/eswitch.h
index b0ae8020f13e..29fd832950e0 100644
--- a/include/linux/mlx5/eswitch.h
+++ b/include/linux/mlx5/eswitch.h
@@ -96,10 +96,10 @@ static inline u32 mlx5_eswitch_get_vport_metadata_mask(void)

u32 mlx5_eswitch_get_vport_metadata_for_match(struct mlx5_eswitch *esw,
u16 vport_num);
-u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw);
+u8 mlx5_eswitch_mode(struct mlx5_core_dev *dev);
#else /* CONFIG_MLX5_ESWITCH */

-static inline u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw)
+static inline u8 mlx5_eswitch_mode(struct mlx5_core_dev *dev)
{
return MLX5_ESWITCH_NONE;
}
@@ -136,4 +136,8 @@ mlx5_eswitch_get_vport_metadata_mask(void)
}
#endif /* CONFIG_MLX5_ESWITCH */

+static inline bool is_mdev_switchdev_mode(struct mlx5_core_dev *dev)
+{
+ return mlx5_eswitch_mode(dev) == MLX5_ESWITCH_OFFLOADS;
+}
#endif
--
2.28.0


Reviewed-by: Roi Dayan <roid@xxxxxxxxxx>