IB/mlx5: Add counter_alloc_stats() and counter_update_stats() support

Add support for ib callback counter_alloc_stats() and
counter_update_stats().

Signed-off-by: Mark Zhang <markz@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 2914eab..7581571 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -5586,6 +5586,27 @@ done:
        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)
 {
@@ -6553,6 +6574,8 @@ 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)