netdev - [PATCH mlx5-next] RDMA/mlx5: Move function mlx5_core_query_ib_ppcnt() to mlx5

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Date:   Mon, 29 Aug 2022 12:06:04 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Jason Gunthorpe <jgg@...dia.com>
Cc:     Chris Mi <cmi@...dia.com>, Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>, linux-rdma@...r.kernel.org,
        netdev@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>,
        Roi Dayan <roid@...dia.com>, Saeed Mahameed <saeedm@...dia.com>
Subject: [PATCH mlx5-next] RDMA/mlx5: Move function mlx5_core_query_ib_ppcnt() to mlx5_ib

From: Chris Mi <cmi@...dia.com>

This patch doesn't change any functionality, but move one function
to mlx5_ib because it is not used by mlx5_core.

The actual fix is in the next patch.

Reviewed-by: Roi Dayan <roid@...dia.com>
Signed-off-by: Chris Mi <cmi@...dia.com>
Signed-off-by: Leon Romanovsky <leonro@...dia.com>
---
 drivers/infiniband/hw/mlx5/mad.c              | 25 +++++++++++++++++--
 .../net/ethernet/mellanox/mlx5/core/port.c    | 23 -----------------
 include/linux/mlx5/driver.h                   |  2 --
 3 files changed, 23 insertions(+), 27 deletions(-)

diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c
index 293ed709e5ed..d834ec13b1b3 100644
--- a/drivers/infiniband/hw/mlx5/mad.c
+++ b/drivers/infiniband/hw/mlx5/mad.c
@@ -147,6 +147,28 @@ static void pma_cnt_assign(struct ib_pma_portcounters *pma_cnt,
 			     vl_15_dropped);
 }
 
+static int query_ib_ppcnt(struct mlx5_core_dev *dev, u8 port_num, void *out,
+			  size_t sz)
+{
+	u32 *in;
+	int err;
+
+	in  = kvzalloc(sz, GFP_KERNEL);
+	if (!in) {
+		err = -ENOMEM;
+		return err;
+	}
+
+	MLX5_SET(ppcnt_reg, in, local_port, port_num);
+
+	MLX5_SET(ppcnt_reg, in, grp, MLX5_INFINIBAND_PORT_COUNTERS_GROUP);
+	err = mlx5_core_access_reg(dev, in, sz, out,
+				   sz, MLX5_REG_PPCNT, 0, 0);
+
+	kvfree(in);
+	return err;
+}
+
 static int process_pma_cmd(struct mlx5_ib_dev *dev, u32 port_num,
 			   const struct ib_mad *in_mad, struct ib_mad *out_mad)
 {
@@ -202,8 +224,7 @@ static int process_pma_cmd(struct mlx5_ib_dev *dev, u32 port_num,
 			goto done;
 		}
 
-		err = mlx5_core_query_ib_ppcnt(mdev, mdev_port_num,
-					       out_cnt, sz);
+		err = query_ib_ppcnt(mdev, mdev_port_num, out_cnt, sz);
 		if (!err)
 			pma_cnt_assign(pma_cnt, out_cnt);
 	}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c
index e1bd54574ea5..a1548e6bfb35 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -493,29 +493,6 @@ int mlx5_query_port_vl_hw_cap(struct mlx5_core_dev *dev,
 }
 EXPORT_SYMBOL_GPL(mlx5_query_port_vl_hw_cap);
 
-int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
-			     u8 port_num, void *out, size_t sz)
-{
-	u32 *in;
-	int err;
-
-	in  = kvzalloc(sz, GFP_KERNEL);
-	if (!in) {
-		err = -ENOMEM;
-		return err;
-	}
-
-	MLX5_SET(ppcnt_reg, in, local_port, port_num);
-
-	MLX5_SET(ppcnt_reg, in, grp, MLX5_INFINIBAND_PORT_COUNTERS_GROUP);
-	err = mlx5_core_access_reg(dev, in, sz, out,
-				   sz, MLX5_REG_PPCNT, 0, 0);
-
-	kvfree(in);
-	return err;
-}
-EXPORT_SYMBOL_GPL(mlx5_core_query_ib_ppcnt);
-
 static int mlx5_query_pfcc_reg(struct mlx5_core_dev *dev, u32 *out,
 			       u32 out_size)
 {
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 96b16fbe1aa4..9ccfd9dd0d0f 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -1084,8 +1084,6 @@ int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
 void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common);
 int mlx5_query_odp_caps(struct mlx5_core_dev *dev,
 			struct mlx5_odp_caps *odp_caps);
-int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
-			     u8 port_num, void *out, size_t sz);
 
 int mlx5_init_rl_table(struct mlx5_core_dev *dev);
 void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev);
-- 
2.37.2