From: Leon Romanovsky <leon@kernel.org>
To: Doug Ledford <dledford@redhat.com>, Jason Gunthorpe <jgg@mellanox.com>
Cc: Leon Romanovsky <leonro@mellanox.com>,
RDMA mailing list <linux-rdma@vger.kernel.org>,
Boris Pismenny <borisp@mellanox.com>,
Matan Barak <matanb@mellanox.com>,
"Michael J . Ruhl" <michael.j.ruhl@intel.com>,
Or Gerlitz <ogerlitz@mellanox.com>,
Raed Salem <raeds@mellanox.com>,
Yishai Hadas <yishaih@mellanox.com>,
Saeed Mahameed <saeedm@mellanox.com>,
linux-netdev <netdev@vger.kernel.org>
Subject: [PATCH rdma-next v3 13/14] IB/mlx5: Add flow counters read support
Date: Thu, 31 May 2018 16:43:40 +0300 [thread overview]
Message-ID: <20180531134341.18441-14-leon@kernel.org> (raw)
In-Reply-To: <20180531134341.18441-1-leon@kernel.org>
From: Raed Salem <raeds@mellanox.com>
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>
---
drivers/infiniband/hw/mlx5/main.c | 15 +++++++++++++++
drivers/infiniband/hw/mlx5/mlx5_ib.h | 13 ++++++++++++-
2 files changed, 27 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 6a5600db897e..e7c90c151165 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -3157,6 +3157,19 @@ 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,
@@ -3171,6 +3184,8 @@ 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) */
--
2.14.3
next prev parent reply other threads:[~2018-05-31 13:43 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-31 13:43 [PATCH rdma-next v3 00/14] Verbs flow counters support Leon Romanovsky
2018-05-31 13:43 ` [PATCH rdma-next v3 01/14] IB/uverbs: Add an ib_uobject getter to ioctl() infrastructure Leon Romanovsky
2018-05-31 13:43 ` [PATCH mlx5-next v3 02/14] net/mlx5: Use flow counter pointer as input to the query function Leon Romanovsky
2018-05-31 13:43 ` [PATCH mlx5-next v3 03/14] net/mlx5: Export flow counter related API Leon Romanovsky
2018-05-31 13:43 ` [PATCH rdma-next v3 04/14] IB/core: Introduce counters object and its create/destroy Leon Romanovsky
2018-05-31 13:43 ` [PATCH rdma-next v3 05/14] IB/uverbs: Add create/destroy counters support Leon Romanovsky
2018-06-01 20:54 ` Jason Gunthorpe
2018-06-02 5:05 ` Leon Romanovsky
2018-05-31 13:43 ` [PATCH rdma-next v3 06/14] IB/core: Introduce counters read verb Leon Romanovsky
2018-05-31 13:43 ` [PATCH rdma-next v3 07/14] IB/uverbs: Add read counters support Leon Romanovsky
2018-05-31 13:43 ` [PATCH rdma-next v3 08/14] IB/core: Support passing uhw for create_flow Leon Romanovsky
2018-05-31 14:42 ` Ruhl, Michael J
2018-05-31 15:09 ` Yishai Hadas
2018-05-31 13:43 ` [PATCH rdma-next v3 09/14] IB/core: Add support for flow counters Leon Romanovsky
2018-05-31 13:43 ` [PATCH rdma-next v3 10/14] IB/uverbs: " Leon Romanovsky
2018-05-31 14:49 ` Ruhl, Michael J
2018-05-31 17:23 ` Leon Romanovsky
2018-05-31 13:43 ` [PATCH rdma-next v3 11/14] IB/mlx5: Add counters create and destroy support Leon Romanovsky
2018-05-31 13:43 ` [PATCH mlx5-next v3 12/14] IB/mlx5: Add flow counters binding support Leon Romanovsky
2018-05-31 13:43 ` Leon Romanovsky [this message]
2018-05-31 13:43 ` [PATCH rdma-next v3 14/14] IB/mlx5: Add counters read support Leon Romanovsky
2018-05-31 16:15 ` [PATCH rdma-next v3 00/14] Verbs flow counters support Yishai Hadas
2018-06-01 21:11 ` Jason Gunthorpe
2018-06-02 5:04 ` Leon Romanovsky
2018-06-04 14:53 ` Jason Gunthorpe
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