All of lore.kernel.org
 help / color / mirror / Atom feed
From: Parav Pandit <parav@nvidia.com>
To: Jakub Kicinski <kuba@kernel.org>, Saeed Mahameed <saeed@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>,
	Jason Gunthorpe <jgg@nvidia.com>,
	Leon Romanovsky <leonro@nvidia.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
	David Ahern <dsahern@kernel.org>,
	Jacob Keller <jacob.e.keller@intel.com>,
	Sridhar Samudrala <sridhar.samudrala@intel.com>,
	"david.m.ertman@intel.com" <david.m.ertman@intel.com>,
	"dan.j.williams@intel.com" <dan.j.williams@intel.com>,
	"kiran.patil@intel.com" <kiran.patil@intel.com>,
	"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	Vu Pham <vuhuong@nvidia.com>, Saeed Mahameed <saeedm@nvidia.com>
Subject: RE: [net-next v5 11/15] net/mlx5: SF, Add port add delete functionality
Date: Wed, 16 Dec 2020 05:31:15 +0000	[thread overview]
Message-ID: <BY5PR12MB4322526F90E73A5EB388CA9DDCC50@BY5PR12MB4322.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20201215165109.27906764@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>



> From: Jakub Kicinski <kuba@kernel.org>
> Sent: Wednesday, December 16, 2020 6:21 AM
> 
> On Tue, 15 Dec 2020 01:03:54 -0800 Saeed Mahameed wrote:
> > To handle SF port management outside of the eswitch as independent
> > software layer, introduce eswitch notifier APIs so that upper layer
> > who wish to support sf port management in switchdev mode can perform
> > its
> 
> Could you unpack this? What's the "upper layer" software in this context?
>
Upper layer in this context = sf management layer within the mlx5 driver which implements devlink port add/del callbacks and state handling.
 
> > task whenever eswitch mode is set to switchdev or before eswitch is
> > disabled.
> 
> How does SF work if eswich is disabled?
> 
It doesn't.
when eswitch is disabled, all SF ports gets destroyed through the eswitch event notifier.

> > Initialize sf port table on such eswitch event.
> >
> > Add SF port add and delete functionality in switchdev mode.
> > Destroy all SF ports when eswitch is disabled.
> > Expose SF port add and delete to user via devlink commands.

  reply	other threads:[~2020-12-16  5:32 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-15  9:03 [net-next v5 00/15] Add mlx5 subfunction support Saeed Mahameed
2020-12-15  9:03 ` [net-next v5 01/15] net/mlx5: Fix compilation warning for 32-bit platform Saeed Mahameed
2020-12-15  9:03 ` [net-next v5 02/15] devlink: Prepare code to fill multiple port function attributes Saeed Mahameed
2020-12-15  9:03 ` [net-next v5 03/15] devlink: Introduce PCI SF port flavour and port attribute Saeed Mahameed
2020-12-15 23:27   ` Jakub Kicinski
2020-12-16  3:42     ` Parav Pandit
2020-12-16 23:59       ` Jakub Kicinski
2020-12-17  4:44         ` Saeed Mahameed
2020-12-18 19:48           ` Jakub Kicinski
2020-12-19  4:43             ` Parav Pandit
2020-12-15  9:03 ` [net-next v5 04/15] devlink: Support add and delete devlink port Saeed Mahameed
2020-12-16  0:29   ` Jakub Kicinski
2020-12-16  5:06     ` Parav Pandit
2020-12-15  9:03 ` [net-next v5 05/15] devlink: Support get and set state of port function Saeed Mahameed
2020-12-16  0:37   ` Jakub Kicinski
2020-12-16  5:15     ` Parav Pandit
2020-12-16 16:15       ` David Ahern
2020-12-17  0:08       ` Jakub Kicinski
2020-12-17  5:46         ` Parav Pandit
2020-12-18 19:51           ` Jakub Kicinski
2020-12-19  5:06             ` Parav Pandit
2020-12-15  9:03 ` [net-next v5 06/15] net/mlx5: Introduce vhca state event notifier Saeed Mahameed
2020-12-15  9:03 ` [net-next v5 07/15] net/mlx5: SF, Add auxiliary device support Saeed Mahameed
2020-12-16  0:43   ` Jakub Kicinski
2020-12-16  5:19     ` Parav Pandit
2020-12-17  0:11       ` Jakub Kicinski
2020-12-17  5:23         ` Parav Pandit
2020-12-18 19:58           ` Jakub Kicinski
2020-12-19  4:53             ` Parav Pandit
2020-12-19 17:43               ` Jakub Kicinski
2020-12-15  9:03 ` [net-next v5 08/15] net/mlx5: SF, Add auxiliary device driver Saeed Mahameed
2020-12-15  9:03 ` [net-next v5 09/15] net/mlx5: E-switch, Prepare eswitch to handle SF vport Saeed Mahameed
2020-12-16  0:47   ` Jakub Kicinski
2020-12-16  5:28     ` Parav Pandit
2020-12-15  9:03 ` [net-next v5 10/15] net/mlx5: E-switch, Add eswitch helpers for " Saeed Mahameed
2020-12-15  9:03 ` [net-next v5 11/15] net/mlx5: SF, Add port add delete functionality Saeed Mahameed
2020-12-16  0:51   ` Jakub Kicinski
2020-12-16  5:31     ` Parav Pandit [this message]
2020-12-15  9:03 ` [net-next v5 12/15] net/mlx5: SF, Port function state change support Saeed Mahameed
2020-12-15  9:03 ` [net-next v5 13/15] devlink: Add devlink port documentation Saeed Mahameed
2020-12-16  0:57   ` Jakub Kicinski
2020-12-16  5:40     ` Parav Pandit
2020-12-15  9:03 ` [net-next v5 14/15] devlink: Extend devlink port documentation for subfunctions Saeed Mahameed
2020-12-16  1:00   ` Jakub Kicinski
2020-12-16  3:55     ` Parav Pandit
2020-12-15  9:03 ` [net-next v5 15/15] net/mlx5: Add devlink subfunction port documentation Saeed Mahameed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=BY5PR12MB4322526F90E73A5EB388CA9DDCC50@BY5PR12MB4322.namprd12.prod.outlook.com \
    --to=parav@nvidia.com \
    --cc=dan.j.williams@intel.com \
    --cc=davem@davemloft.net \
    --cc=david.m.ertman@intel.com \
    --cc=dsahern@kernel.org \
    --cc=gregkh@linuxfoundation.org \
    --cc=jacob.e.keller@intel.com \
    --cc=jgg@nvidia.com \
    --cc=kiran.patil@intel.com \
    --cc=kuba@kernel.org \
    --cc=leonro@nvidia.com \
    --cc=linux-rdma@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=saeed@kernel.org \
    --cc=saeedm@nvidia.com \
    --cc=sridhar.samudrala@intel.com \
    --cc=vuhuong@nvidia.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.