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From: "Saleem, Shiraz" <shiraz.saleem@intel.com>
To: Jason Gunthorpe <jgg@nvidia.com>,
	Potnuri Bharat Teja <bharat@chelsio.com>,
	Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>,
	Devesh Sharma <devesh.sharma@broadcom.com>,
	Doug Ledford <dledford@redhat.com>,
	"Latif, Faisal" <faisal.latif@intel.com>,
	Gal Pressman <galpress@amazon.com>,
	"Leon Romanovsky" <leon@kernel.org>,
	"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
	Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>,
	Naresh Kumar PBS <nareshkumar.pbs@broadcom.com>,
	Selvin Xavier <selvin.xavier@broadcom.com>,
	Yossi Leybovich <sleybo@amazon.com>,
	Somnath Kotur <somnath.kotur@broadcom.com>,
	Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>,
	Yishai Hadas <yishaih@nvidia.com>,
	"Zhu Yanjun" <zyjzyj2000@gmail.com>
Cc: Greg KH <gregkh@linuxfoundation.org>,
	Kees Cook <keescook@chromium.org>,
	Nathan Chancellor <nathan@kernel.org>
Subject: RE: [PATCH 01/13] RDMA: Split the alloc_hw_stats() ops to port and device variants
Date: Mon, 17 May 2021 23:06:29 +0000	[thread overview]
Message-ID: <b6045737954e4279939669a1f229c835@intel.com> (raw)
In-Reply-To: <1-v1-34c90fa45f1c+3c7b0-port_sysfs_jgg@nvidia.com>

> Subject: [PATCH 01/13] RDMA: Split the alloc_hw_stats() ops to port and device
> variants
> 
> This is being used to implement both the port and device global stats, which is
> causing some confusion in the drivers. For instance EFA and i40iw both seem to
> be misusing the device stats.
> 
> Split it into two ops so drivers that don't support one or the other can leave the op
> NULL'd, making the calling code a little simpler to understand.
> 
> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
> ---
>  drivers/infiniband/core/counters.c          |  4 +-
>  drivers/infiniband/core/device.c            |  3 +-
>  drivers/infiniband/core/nldev.c             |  2 +-
>  drivers/infiniband/core/sysfs.c             | 15 +++-
>  drivers/infiniband/hw/bnxt_re/hw_counters.c |  7 +-
> drivers/infiniband/hw/bnxt_re/hw_counters.h |  4 +-
>  drivers/infiniband/hw/bnxt_re/main.c        |  2 +-
>  drivers/infiniband/hw/cxgb4/provider.c      |  9 +--
>  drivers/infiniband/hw/efa/efa.h             |  3 +-
>  drivers/infiniband/hw/efa/efa_main.c        |  3 +-
>  drivers/infiniband/hw/efa/efa_verbs.c       | 11 ++-
>  drivers/infiniband/hw/hfi1/verbs.c          | 86 ++++++++++-----------
>  drivers/infiniband/hw/i40iw/i40iw_verbs.c   | 19 ++++-
>  drivers/infiniband/hw/mlx4/main.c           | 25 ++++--
>  drivers/infiniband/hw/mlx5/counters.c       | 42 +++++++---
>  drivers/infiniband/sw/rxe/rxe_hw_counters.c |  7 +-
> drivers/infiniband/sw/rxe/rxe_hw_counters.h |  4 +-
>  drivers/infiniband/sw/rxe/rxe_verbs.c       |  2 +-
>  include/rdma/ib_verbs.h                     | 13 ++--
>  19 files changed, 158 insertions(+), 103 deletions(-)
> 

[...]

>  /**
> - * i40iw_alloc_hw_stats - Allocate a hw stats structure
> + * i40iw_alloc_hw_port_stats - Allocate a hw stats structure
>   * @ibdev: device pointer from stack
>   * @port_num: port number
>   */
> -static struct rdma_hw_stats *i40iw_alloc_hw_stats(struct ib_device *ibdev,
> -						  u32 port_num)
> +static struct rdma_hw_stats *i40iw_alloc_hw_port_stats(struct ib_device *ibdev,
> +						       u32 port_num)
>  {
>  	struct i40iw_device *iwdev = to_iwdev(ibdev);
>  	struct i40iw_sc_dev *dev = &iwdev->sc_dev; @@ -2468,6 +2468,16 @@
> static struct rdma_hw_stats *i40iw_alloc_hw_stats(struct ib_device *ibdev,
>  					  lifespan);
>  }
> 
> +static struct rdma_hw_stats *
> +i40iw_alloc_hw_device_stats(struct ib_device *ibdev) {
> +	/*
> +	 * It is probably a bug that i40iw reports its port stats as device
> +	 * stats
> +	 */

The number of physical ports per ib device is 1.

> +	return i40iw_alloc_hw_port_stats(ibdev, 0); }
> +
>  /**



  reply	other threads:[~2021-05-17 23:06 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-17 16:47 [PATCH 00/13] Reorganize sysfs file creation for struct ib_devices Jason Gunthorpe
2021-05-17 16:47 ` [PATCH 01/13] RDMA: Split the alloc_hw_stats() ops to port and device variants Jason Gunthorpe
2021-05-17 23:06   ` Saleem, Shiraz [this message]
2021-05-17 23:10     ` Jason Gunthorpe
2021-05-18  0:18       ` Saleem, Shiraz
2021-05-18  0:20         ` Jason Gunthorpe
2021-05-18 21:58           ` Saleem, Shiraz
2021-05-19 12:25             ` Jason Gunthorpe
2021-05-19 16:50               ` Saleem, Shiraz
2021-05-18  3:49   ` Mark Zhang
2021-05-19  1:10     ` Saleem, Shiraz
2021-05-20 16:29     ` Jason Gunthorpe
2021-05-19 11:29   ` Gal Pressman
2021-05-19 13:44     ` Jason Gunthorpe
2021-05-17 16:47 ` [PATCH 02/13] RDMA/core: Replace the ib_port_data hw_stats pointers with a ib_port pointer Jason Gunthorpe
2021-05-17 16:47 ` [PATCH 03/13] RDMA/core: Split port and device counter sysfs attributes Jason Gunthorpe
2021-05-17 16:47 ` [PATCH 04/13] RDMA/core: Split gid_attrs related sysfs from add_port() Jason Gunthorpe
2021-05-17 16:47 ` [PATCH 05/13] RDMA/core: Simplify how the gid_attrs sysfs is created Jason Gunthorpe
2021-05-17 16:47 ` [PATCH 06/13] RDMA/core: Simplify how the port " Jason Gunthorpe
2021-05-17 16:47 ` [PATCH 07/13] RDMA/core: Create the device hw_counters through the normal groups mechanism Jason Gunthorpe
2021-05-17 16:47 ` [PATCH 08/13] RDMA/core: Remove the kobject_uevent() NOP Jason Gunthorpe
2021-05-17 16:47 ` [PATCH 09/13] RDMA/core: Expose the ib port sysfs attribute machinery Jason Gunthorpe
2021-05-17 17:12   ` Greg KH
2021-05-17 17:31     ` Jason Gunthorpe
2021-05-17 17:37       ` Greg KH
2021-05-17 16:47 ` [PATCH 10/13] RDMA/cm: Use an attribute_group on the ib_port_attribute intead of kobj's Jason Gunthorpe
2021-05-17 16:47 ` [PATCH 11/13] RDMA/qib: Use attributes for the port sysfs Jason Gunthorpe
2021-05-17 17:11   ` Greg KH
2021-05-17 17:13     ` Jason Gunthorpe
2021-05-17 17:31       ` Greg KH
2021-05-17 18:44         ` Jason Gunthorpe
2021-05-17 16:47 ` [PATCH 12/13] RDMA/hfi1: " Jason Gunthorpe
2021-05-17 16:47 ` [PATCH 13/13] RDMA: Change ops->init_port to ops->get_port_groups Jason Gunthorpe
2021-05-18 23:07 ` [PATCH 00/13] Reorganize sysfs file creation for struct ib_devices Nathan Chancellor
2021-05-19 13:46   ` Jason Gunthorpe

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