netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jason Gunthorpe <jgg@mellanox.com>
To: Andy Gospodarek <andy@greyhouse.net>
Cc: Jiri Pirko <jiri@resnulli.us>, Jakub Kicinski <kuba@kernel.org>,
	netdev@vger.kernel.org, davem@davemloft.net, parav@mellanox.com,
	yuvalav@mellanox.com, saeedm@mellanox.com, leon@kernel.org,
	andrew.gospodarek@broadcom.com, michael.chan@broadcom.com,
	moshe@mellanox.com, ayal@mellanox.com, eranbe@mellanox.com,
	vladbu@mellanox.com, kliteyn@mellanox.com, dchickles@marvell.com,
	sburla@marvell.com, fmanlunas@marvell.com, tariqt@mellanox.com,
	oss-drivers@netronome.com, snelson@pensando.io,
	drivers@pensando.io, aelior@marvell.com,
	GR-everest-linux-l2@marvell.com, grygorii.strashko@ti.com,
	mlxsw@mellanox.com, idosch@mellanox.com, markz@mellanox.com,
	jacob.e.keller@intel.com, valex@mellanox.com,
	linyunsheng@huawei.com, lihong.yang@intel.com,
	vikas.gupta@broadcom.com, magnus.karlsson@intel.com
Subject: Re: [RFC] current devlink extension plan for NICs
Date: Mon, 23 Mar 2020 21:11:43 -0300	[thread overview]
Message-ID: <20200324001143.GG20941@ziepe.ca> (raw)
In-Reply-To: <20200323233200.GD21532@C02YVCJELVCG.greyhouse.net>

On Mon, Mar 23, 2020 at 07:32:00PM -0400, Andy Gospodarek wrote:

> If a smartnic wants to give control of flows to the host
> then it makes more sense to allow some communication at a higher layer
> so that requests for hardware offload can be easily validated against
> some sort of policy set forth by the admin of the smartnic.

The important rule is that a PF/VF/SF is always constrained by its
representor. It doesn't matter how it handles the packets internally,
via a tx/rx ring, via an eswitch offload, RDMA, iscsi, etc, it is all
the same as far as the representor is concerned..

Since eswitch is a powerful offload capability it makes sense to
directly nest it.

Jason


  reply	other threads:[~2020-03-24  0:11 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-19 19:27 [RFC] current devlink extension plan for NICs Jiri Pirko
2020-03-20  3:32 ` Jakub Kicinski
2020-03-20  7:35   ` Jiri Pirko
2020-03-20 21:25     ` Jakub Kicinski
2020-03-21  9:07       ` Parav Pandit
2020-03-23 19:31         ` Jakub Kicinski
2020-03-23 22:50           ` Jason Gunthorpe
2020-03-24  3:41             ` Jakub Kicinski
2020-03-24 13:43               ` Jason Gunthorpe
2020-03-24  5:36           ` Parav Pandit
2020-03-21  9:35       ` Jiri Pirko
2020-03-23 19:21         ` Jakub Kicinski
2020-03-23 22:06           ` Jason Gunthorpe
2020-03-24  3:56             ` Jakub Kicinski
2020-03-24 13:20               ` Jason Gunthorpe
2020-03-26 14:37           ` Jiri Pirko
2020-03-26 14:43           ` Jiri Pirko
2020-03-26 14:47           ` Jiri Pirko
2020-03-26 14:51             ` Jiri Pirko
2020-03-26 20:30               ` Jakub Kicinski
2020-03-27  7:47                 ` Jiri Pirko
2020-03-27 16:38                   ` Jakub Kicinski
2020-03-27 18:49                     ` Samudrala, Sridhar
2020-03-27 19:10                       ` Jakub Kicinski
2020-03-27 19:45                         ` Saeed Mahameed
2020-03-27 20:42                           ` Jakub Kicinski
2020-03-30  9:07                             ` Parav Pandit
2020-04-08  6:10                               ` Parav Pandit
2020-03-27 20:47                           ` Samudrala, Sridhar
2020-03-27 20:59                             ` Jakub Kicinski
2020-03-30  7:09                           ` Parav Pandit
2020-03-30  7:48                     ` Parav Pandit
2020-03-30 19:36                       ` Jakub Kicinski
2020-03-31  7:45                         ` Parav Pandit
2020-03-31 17:32                           ` Jakub Kicinski
2020-04-01  7:32                             ` Parav Pandit
2020-04-01 20:12                               ` Jakub Kicinski
2020-04-02  6:16                                 ` Jiri Pirko
2020-04-08  5:10                                   ` Parav Pandit
2020-04-08  5:07                                 ` Parav Pandit
2020-04-08 16:59                                   ` Jakub Kicinski
2020-04-08 18:13                                     ` Parav Pandit
2020-04-09  2:07                                       ` Jakub Kicinski
2020-04-09  6:43                                         ` Parav Pandit
2020-03-30  5:30                   ` Parav Pandit
2020-03-26 14:59           ` Jiri Pirko
2020-03-23 23:32         ` Andy Gospodarek
2020-03-24  0:11           ` Jason Gunthorpe [this message]
2020-03-24  5:53           ` Parav Pandit
2020-03-23 21:32       ` Andy Gospodarek

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=20200324001143.GG20941@ziepe.ca \
    --to=jgg@mellanox.com \
    --cc=GR-everest-linux-l2@marvell.com \
    --cc=aelior@marvell.com \
    --cc=andrew.gospodarek@broadcom.com \
    --cc=andy@greyhouse.net \
    --cc=ayal@mellanox.com \
    --cc=davem@davemloft.net \
    --cc=dchickles@marvell.com \
    --cc=drivers@pensando.io \
    --cc=eranbe@mellanox.com \
    --cc=fmanlunas@marvell.com \
    --cc=grygorii.strashko@ti.com \
    --cc=idosch@mellanox.com \
    --cc=jacob.e.keller@intel.com \
    --cc=jiri@resnulli.us \
    --cc=kliteyn@mellanox.com \
    --cc=kuba@kernel.org \
    --cc=leon@kernel.org \
    --cc=lihong.yang@intel.com \
    --cc=linyunsheng@huawei.com \
    --cc=magnus.karlsson@intel.com \
    --cc=markz@mellanox.com \
    --cc=michael.chan@broadcom.com \
    --cc=mlxsw@mellanox.com \
    --cc=moshe@mellanox.com \
    --cc=netdev@vger.kernel.org \
    --cc=oss-drivers@netronome.com \
    --cc=parav@mellanox.com \
    --cc=saeedm@mellanox.com \
    --cc=sburla@marvell.com \
    --cc=snelson@pensando.io \
    --cc=tariqt@mellanox.com \
    --cc=valex@mellanox.com \
    --cc=vikas.gupta@broadcom.com \
    --cc=vladbu@mellanox.com \
    --cc=yuvalav@mellanox.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).