netdev - [PATCH rdma-next v4 12/17] IB/mlx5: Add counter_alloc_stats() and counter_update

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190618172625.13432-13-leon@kernel.org>
Date:   Tue, 18 Jun 2019 20:26:20 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...lanox.com>
Cc:     Leon Romanovsky <leonro@...lanox.com>,
        RDMA mailing list <linux-rdma@...r.kernel.org>,
        Majd Dibbiny <majd@...lanox.com>,
        Mark Zhang <markz@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>,
        linux-netdev <netdev@...r.kernel.org>
Subject: [PATCH rdma-next v4 12/17] IB/mlx5: Add counter_alloc_stats() and counter_update_stats() support

From: Mark Zhang <markz@...lanox.com>

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

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