linux-kernel - [PATCH net-next 2/3] net/mlx5: fs, split bulk init

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Message-ID: <1768210825-1598472-3-git-send-email-tariqt@nvidia.com>
Date: Mon, 12 Jan 2026 11:40:24 +0200
From: Tariq Toukan <tariqt@...dia.com>
To: Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew+netdev@...n.ch>, "David
 S. Miller" <davem@...emloft.net>
CC: Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky <leon@...nel.org>,
	Tariq Toukan <tariqt@...dia.com>, Mark Bloch <mbloch@...dia.com>,
	<netdev@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Gal Pressman <gal@...dia.com>, Moshe Shemesh
	<moshe@...dia.com>, Yevgeny Kliteynik <kliteyn@...dia.com>
Subject: [PATCH net-next 2/3] net/mlx5: fs, split bulk init

From: Mark Bloch <mbloch@...dia.com>

Refactor mlx5_fs_bulk_init() by moving bitmap allocation logic into a
new helper function mlx5_fs_bulk_bitmap_alloc(). This change does not
alter any logic.

Signed-off-by: Mark Bloch <mbloch@...dia.com>
Signed-off-by: Moshe Shemesh <moshe@...dia.com>
Reviewed-by: Yevgeny Kliteynik <kliteyn@...dia.com>
Signed-off-by: Tariq Toukan <tariqt@...dia.com>
---
 .../ethernet/mellanox/mlx5/core/fs_counters.c    |  6 ++++--
 .../net/ethernet/mellanox/mlx5/core/fs_pool.c    | 16 ++++++++++------
 .../net/ethernet/mellanox/mlx5/core/fs_pool.h    |  5 +++--
 .../mlx5/core/steering/hws/fs_hws_pools.c        |  8 ++++++--
 4 files changed, 23 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c
index e14570a3d492..14539a20a60f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c
@@ -449,7 +449,9 @@ static struct mlx5_fs_bulk *mlx5_fc_bulk_create(struct mlx5_core_dev *dev,
 	if (!fc_bulk)
 		return NULL;
 
-	if (mlx5_fs_bulk_init(dev, &fc_bulk->fs_bulk, bulk_len))
+	mlx5_fs_bulk_init(&fc_bulk->fs_bulk, bulk_len);
+
+	if (mlx5_fs_bulk_bitmap_alloc(dev, &fc_bulk->fs_bulk))
 		goto fc_bulk_free;
 
 	if (mlx5_cmd_fc_bulk_alloc(dev, alloc_bitmask, &base_id))
@@ -566,7 +568,7 @@ mlx5_fc_local_create(u32 counter_id, u32 offset, u32 bulk_size)
 
 	counter->type = MLX5_FC_TYPE_LOCAL;
 	counter->id = counter_id;
-	fc_bulk->fs_bulk.bulk_len = bulk_size;
+	mlx5_fs_bulk_init(&fc_bulk->fs_bulk, bulk_size);
 	mlx5_fc_bulk_init(fc_bulk, counter_id - offset);
 	counter->bulk = fc_bulk;
 	refcount_set(&counter->fc_local_refcount, 1);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_pool.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_pool.c
index f6c226664602..faa519254316 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_pool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_pool.c
@@ -4,23 +4,27 @@
 #include <mlx5_core.h>
 #include "fs_pool.h"
 
-int mlx5_fs_bulk_init(struct mlx5_core_dev *dev, struct mlx5_fs_bulk *fs_bulk,
-		      int bulk_len)
+int mlx5_fs_bulk_bitmap_alloc(struct mlx5_core_dev *dev,
+			      struct mlx5_fs_bulk *fs_bulk)
 {
 	int i;
 
-	fs_bulk->bitmask = kvcalloc(BITS_TO_LONGS(bulk_len), sizeof(unsigned long),
-				    GFP_KERNEL);
+	fs_bulk->bitmask = kvcalloc(BITS_TO_LONGS(fs_bulk->bulk_len),
+				    sizeof(unsigned long), GFP_KERNEL);
 	if (!fs_bulk->bitmask)
 		return -ENOMEM;
 
-	fs_bulk->bulk_len = bulk_len;
-	for (i = 0; i < bulk_len; i++)
+	for (i = 0; i < fs_bulk->bulk_len; i++)
 		set_bit(i, fs_bulk->bitmask);
 
 	return 0;
 }
 
+void mlx5_fs_bulk_init(struct mlx5_fs_bulk *fs_bulk, int bulk_len)
+{
+	fs_bulk->bulk_len = bulk_len;
+}
+
 void mlx5_fs_bulk_cleanup(struct mlx5_fs_bulk *fs_bulk)
 {
 	kvfree(fs_bulk->bitmask);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_pool.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_pool.h
index f04ec3107498..4deb66479d16 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_pool.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_pool.h
@@ -39,8 +39,9 @@ struct mlx5_fs_pool {
 	int threshold;
 };
 
-int mlx5_fs_bulk_init(struct mlx5_core_dev *dev, struct mlx5_fs_bulk *fs_bulk,
-		      int bulk_len);
+void mlx5_fs_bulk_init(struct mlx5_fs_bulk *fs_bulk, int bulk_len);
+int mlx5_fs_bulk_bitmap_alloc(struct mlx5_core_dev *dev,
+			      struct mlx5_fs_bulk *fs_bulk);
 void mlx5_fs_bulk_cleanup(struct mlx5_fs_bulk *fs_bulk);
 int mlx5_fs_bulk_get_free_amount(struct mlx5_fs_bulk *bulk);
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws_pools.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws_pools.c
index 839d71bd4216..5bc8e97ecf1c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws_pools.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws_pools.c
@@ -121,7 +121,9 @@ mlx5_fs_hws_pr_bulk_create(struct mlx5_core_dev *dev, void *pool_ctx)
 	if (!pr_bulk)
 		return NULL;
 
-	if (mlx5_fs_bulk_init(dev, &pr_bulk->fs_bulk, bulk_len))
+	mlx5_fs_bulk_init(&pr_bulk->fs_bulk, bulk_len);
+
+	if (mlx5_fs_bulk_bitmap_alloc(dev, &pr_bulk->fs_bulk))
 		goto free_pr_bulk;
 
 	for (i = 0; i < bulk_len; i++) {
@@ -275,7 +277,9 @@ mlx5_fs_hws_mh_bulk_create(struct mlx5_core_dev *dev, void *pool_ctx)
 	if (!mh_bulk)
 		return NULL;
 
-	if (mlx5_fs_bulk_init(dev, &mh_bulk->fs_bulk, bulk_len))
+	mlx5_fs_bulk_init(&mh_bulk->fs_bulk, bulk_len);
+
+	if (mlx5_fs_bulk_bitmap_alloc(dev, &mh_bulk->fs_bulk))
 		goto free_mh_bulk;
 
 	for (int i = 0; i < bulk_len; i++) {
-- 
2.31.1