diff options
| author | Raed Salem <raeds@mellanox.com> | 2018-05-31 15:43:40 +0200 |
|---|---|---|
| committer | Leon Romanovsky <leonro@mellanox.com> | 2018-06-02 06:35:37 +0200 |
| commit | 5e95af5f7b60796ccd890a39c0ed9c5df3537952 (patch) | |
| tree | df627b48598c3c8b0f77b30fea392cb1dad8c807 /drivers/infiniband/hw | |
| parent | IB/mlx5: Add flow counters binding support (diff) | |
| download | linux-5e95af5f7b60796ccd890a39c0ed9c5df3537952.tar.xz linux-5e95af5f7b60796ccd890a39c0ed9c5df3537952.zip | |
IB/mlx5: Add flow counters read support
Implements the flow counters read wrapper.
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>
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 15 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mlx5_ib.h | 13 |
2 files changed, 27 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index c52841bad4e7..59e9d10e54b7 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -3035,6 +3035,19 @@ static void set_underlay_qp(struct mlx5_ib_dev *dev, } } +static int read_flow_counters(struct ib_device *ibdev, + struct mlx5_read_counters_attr *read_attr) +{ + struct mlx5_fc *fc = read_attr->hw_cntrs_hndl; + struct mlx5_ib_dev *dev = to_mdev(ibdev); + + return mlx5_fc_query(dev->mdev, fc, + &read_attr->out[IB_COUNTER_PACKETS], + &read_attr->out[IB_COUNTER_BYTES]); +} + +/* flow counters currently expose two counters packets and bytes */ +#define FLOW_COUNTERS_NUM 2 static int counters_set_description(struct ib_counters *counters, enum mlx5_ib_counters_type counters_type, struct mlx5_ib_flow_counters_desc *desc_data, @@ -3049,6 +3062,8 @@ static int counters_set_description(struct ib_counters *counters, /* init the fields for the object */ mcounters->type = counters_type; + mcounters->read_counters = read_flow_counters; + mcounters->counters_num = FLOW_COUNTERS_NUM; mcounters->ncounters = ncounters; /* each counter entry have both description and index pair */ for (i = 0; i < ncounters; i++) { diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 155bca627222..d89c8fe626f6 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -814,6 +814,12 @@ struct mlx5_memic { DECLARE_BITMAP(memic_alloc_pages, MLX5_MAX_MEMIC_PAGES); }; +struct mlx5_read_counters_attr { + struct mlx5_fc *hw_cntrs_hndl; + u64 *out; + u32 flags; +}; + enum mlx5_ib_counters_type { MLX5_IB_COUNTERS_FLOW, }; @@ -821,7 +827,12 @@ enum mlx5_ib_counters_type { struct mlx5_ib_mcounters { struct ib_counters ibcntrs; enum mlx5_ib_counters_type type; - void *hw_cntrs_hndl; + /* number of counters supported for this counters type */ + u32 counters_num; + struct mlx5_fc *hw_cntrs_hndl; + /* read function for this counters type */ + int (*read_counters)(struct ib_device *ibdev, + struct mlx5_read_counters_attr *read_attr); /* max index set as part of create_flow */ u32 cntrs_max_index; /* number of counters data entries (<description,index> pair) */ |