From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leon Romanovsky Subject: [PATCH rdma-next v3 11/14] IB/mlx5: Add counters create and destroy support Date: Thu, 31 May 2018 16:43:38 +0300 Message-ID: <20180531134341.18441-12-leon@kernel.org> References: <20180531134341.18441-1-leon@kernel.org> Cc: Leon Romanovsky , RDMA mailing list , Boris Pismenny , Matan Barak , "Michael J . Ruhl" , Or Gerlitz , Raed Salem , Yishai Hadas , Saeed Mahameed , linux-netdev To: Doug Ledford , Jason Gunthorpe Return-path: Received: from mail.kernel.org ([198.145.29.99]:33484 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755386AbeEaNoS (ORCPT ); Thu, 31 May 2018 09:44:18 -0400 In-Reply-To: <20180531134341.18441-1-leon@kernel.org> Sender: netdev-owner@vger.kernel.org List-ID: From: Raed Salem This patch implements the device counters create and destroy APIs and introducing some internal management structures. Downstream patches in this series will add the functionality to support flow counters binding and reading. Reviewed-by: Yishai Hadas Signed-off-by: Raed Salem Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/main.c | 23 +++++++++++++++++++++++ drivers/infiniband/hw/mlx5/mlx5_ib.h | 10 ++++++++++ 2 files changed, 33 insertions(+) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index fb31a719ee25..4d0f53566854 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -5132,6 +5132,27 @@ static void depopulate_specs_root(struct mlx5_ib_dev *dev) uverbs_free_spec_tree(dev->ib_dev.specs_root); } +static int mlx5_ib_destroy_counters(struct ib_counters *counters) +{ + struct mlx5_ib_mcounters *mcounters = to_mcounters(counters); + + kfree(mcounters); + + return 0; +} + +static struct ib_counters *mlx5_ib_create_counters(struct ib_device *device, + struct uverbs_attr_bundle *attrs) +{ + struct mlx5_ib_mcounters *mcounters; + + mcounters = kzalloc(sizeof(*mcounters), GFP_KERNEL); + if (!mcounters) + return ERR_PTR(-ENOMEM); + + return &mcounters->ibcntrs; +} + void mlx5_ib_stage_init_cleanup(struct mlx5_ib_dev *dev) { mlx5_ib_cleanup_multiport_master(dev); @@ -5375,6 +5396,8 @@ int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev) dev->ib_dev.destroy_flow_action = mlx5_ib_destroy_flow_action; dev->ib_dev.modify_flow_action_esp = mlx5_ib_modify_flow_action_esp; dev->ib_dev.driver_id = RDMA_DRIVER_MLX5; + dev->ib_dev.create_counters = mlx5_ib_create_counters; + dev->ib_dev.destroy_counters = mlx5_ib_destroy_counters; err = init_node_data(dev); if (err) diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 49a1aa0ff429..fd27ec1aed08 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -813,6 +813,16 @@ struct mlx5_memic { DECLARE_BITMAP(memic_alloc_pages, MLX5_MAX_MEMIC_PAGES); }; +struct mlx5_ib_mcounters { + struct ib_counters ibcntrs; +}; + +static inline struct mlx5_ib_mcounters * +to_mcounters(struct ib_counters *ibcntrs) +{ + return container_of(ibcntrs, struct mlx5_ib_mcounters, ibcntrs); +} + struct mlx5_ib_dev { struct ib_device ib_dev; struct mlx5_core_dev *mdev; -- 2.14.3