[PATCH rdma-next v4 12/17] IB/mlx5: Add counter_alloc_stats() and counter_update_stats() support
From: Leon Romanovsky <leon@kernel.org>
Date: 2019-06-18 17:27:13
Also in:
linux-rdma
Subsystem:
infiniband subsystem, mellanox mlx5 ib driver, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
From: Mark Zhang <redacted> Add support for ib callback counter_alloc_stats() and counter_update_stats(). Signed-off-by: Mark Zhang <redacted> Reviewed-by: Majd Dibbiny <redacted> Signed-off-by: Leon Romanovsky <redacted> --- drivers/infiniband/hw/mlx5/main.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index ec2bf52634e8..e8a4dedff10b 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c@@ -5550,6 +5550,27 @@ static int mlx5_ib_get_hw_stats(struct ib_device *ibdev, return num_counters; } +static struct rdma_hw_stats * +mlx5_ib_counter_alloc_stats(struct rdma_counter *counter) +{ + struct mlx5_ib_dev *dev = to_mdev(counter->device); + struct mlx5_ib_port *port = &dev->port[counter->port - 1]; + + /* Q counters are in the beginning of all counters */ + return rdma_alloc_hw_stats_struct(port->cnts.names, + port->cnts.num_q_counters, + RDMA_HW_STATS_DEFAULT_LIFESPAN); +} + +static int mlx5_ib_counter_update_stats(struct rdma_counter *counter) +{ + struct mlx5_ib_dev *dev = to_mdev(counter->device); + struct mlx5_ib_port *port = &dev->port[counter->port - 1]; + + return mlx5_ib_query_q_counters(dev->mdev, port, + counter->stats, counter->id); +} + static int mlx5_ib_counter_bind_qp(struct rdma_counter *counter, struct ib_qp *qp) {
@@ -6515,6 +6536,8 @@ static const struct ib_device_ops mlx5_ib_dev_hw_stats_ops = { .counter_bind_qp = mlx5_ib_counter_bind_qp, .counter_unbind_qp = mlx5_ib_counter_unbind_qp, .counter_dealloc = mlx5_ib_counter_dealloc, + .counter_alloc_stats = mlx5_ib_counter_alloc_stats, + .counter_update_stats = mlx5_ib_counter_update_stats, }; static int mlx5_ib_stage_counters_init(struct mlx5_ib_dev *dev) --
2.20.1