1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ptrn.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ptrn.c
new file mode 100644
index 000000000000..698e79d278bf
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ptrn.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+// Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+
+#include "dr_types.h"
+
+struct mlx5dr_ptrn_mgr {
+	struct mlx5dr_domain *dmn;
+	struct mlx5dr_icm_pool *ptrn_icm_pool;
+};
+
+struct mlx5dr_ptrn_mgr *mlx5dr_ptrn_mgr_create(struct mlx5dr_domain *dmn)
+{
+	struct mlx5dr_ptrn_mgr *mgr;
+
+	if (!mlx5dr_domain_is_support_ptrn_arg(dmn))
+		return NULL;
+
+	mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
+	if (!mgr)
+		return NULL;
+
+	mgr->dmn = dmn;
+	mgr->ptrn_icm_pool = mlx5dr_icm_pool_create(dmn, DR_ICM_TYPE_MODIFY_HDR_PTRN);
+	if (!mgr->ptrn_icm_pool) {
+		mlx5dr_err(dmn, "Couldn't get modify-header-pattern memory\n");
+		goto free_mgr;
+	}
+
+	return mgr;
+
+free_mgr:
+	kfree(mgr);
+	return NULL;
+}
+
+void mlx5dr_ptrn_mgr_destroy(struct mlx5dr_ptrn_mgr *mgr)
+{
+	if (!mgr)
+		return;
+
+	mlx5dr_icm_pool_destroy(mgr->ptrn_icm_pool);
+	kfree(mgr);
+}