From: Raed Salem <raeds@xxxxxxxxxxxx>
This patch implements the device counters create and destroy APIs
and introducing some internal management structures.
Downstream patches in this series will add the functionality to
support flow counters binding and reading.
Reviewed-by: Yishai Hadas <yishaih@xxxxxxxxxxxx>
Signed-off-by: Raed Salem <raeds@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
drivers/infiniband/hw/mlx5/main.c | 23 +++++++++++++++++++++++
drivers/infiniband/hw/mlx5/mlx5_ib.h | 10 ++++++++++
2 files changed, 33 insertions(+)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 3cb81246152f..4212c5d794bf 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -5164,6 +5164,27 @@ static void depopulate_specs_root(struct mlx5_ib_dev *dev)
uverbs_free_spec_tree(dev->ib_dev.specs_root);
}
+static int mlx5_ib_destroy_counters(struct ib_counters *counters)
+{
+ struct mlx5_ib_mcounters *mcounters = to_mcounters(counters);
+
+ kfree(mcounters);
+
+ return 0;
+}
+
+static struct ib_counters *mlx5_ib_create_counters(struct ib_device *device,
+ struct uverbs_attr_bundle *attrs)
+{
+ struct mlx5_ib_mcounters *mcounters;
+
+ mcounters = kzalloc(sizeof(*mcounters), GFP_KERNEL);
+ if (!mcounters)
+ return ERR_PTR(-ENOMEM);
+
+ return &mcounters->ibcntrs;
+}
+
void mlx5_ib_stage_init_cleanup(struct mlx5_ib_dev *dev)
{
mlx5_ib_cleanup_multiport_master(dev);
@@ -5407,6 +5428,8 @@ int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev)
dev->ib_dev.destroy_flow_action = mlx5_ib_destroy_flow_action;
dev->ib_dev.modify_flow_action_esp = mlx5_ib_modify_flow_action_esp;
dev->ib_dev.driver_id = RDMA_DRIVER_MLX5;
+ dev->ib_dev.create_counters = mlx5_ib_create_counters;
+ dev->ib_dev.destroy_counters = mlx5_ib_destroy_counters;
err = init_node_data(dev);
if (err)
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index 69875b961276..97aad5550155 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -814,6 +814,16 @@ struct mlx5_memic {
DECLARE_BITMAP(memic_alloc_pages, MLX5_MAX_MEMIC_PAGES);
};
+struct mlx5_ib_mcounters {
+ struct ib_counters ibcntrs;
+};
+
+static inline struct mlx5_ib_mcounters *
+to_mcounters(struct ib_counters *ibcntrs)
+{
+ return container_of(ibcntrs, struct mlx5_ib_mcounters, ibcntrs);
+}
+
struct mlx5_ib_dev {
struct ib_device ib_dev;
struct mlx5_core_dev *mdev;
--
2.14.3
--
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