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IB/mlx5: Add counters create and destroy support

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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@mellanox.com>
Signed-off-by: Raed Salem <raeds@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Raed Salem 2018-05-31 16:43:38 +03:00 committed by Leon Romanovsky
parent b6ba4a9aa5
commit b29e2a1309
2 changed files with 33 additions and 0 deletions
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23
drivers/infiniband/hw/mlx5/main.c
View file

@ -5006,6 +5006,27 @@ 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);
@ -5249,6 +5270,8 @@ 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)

10
drivers/infiniband/hw/mlx5/mlx5_ib.h
View file

@ -813,6 +813,16 @@ 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;