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From: Thomas Graf <tgraf@suug.ch>
To: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>,
	John Fastabend <john.fastabend@gmail.com>,
	simon.horman@netronome.com, sfeldma@gmail.com,
	netdev@vger.kernel.org, davem@davemloft.net,
	gerlitz.or@gmail.com, andy@greyhouse.net, ast@plumgrid.com,
	Jiri Pirko <jiri@resnulli.us>
Subject: Re: [net-next PATCH v3 00/12] Flow API
Date: Thu, 22 Jan 2015 17:44:45 +0000	[thread overview]
Message-ID: <20150122174445.GD25797@casper.infradead.org> (raw)
In-Reply-To: <20150122164951.GA3417@salvia>

On 01/22/15 at 05:49pm, Pablo Neira Ayuso wrote:
> On Thu, Jan 22, 2015 at 03:37:27PM +0000, Thomas Graf wrote:
> > On 01/22/15 at 10:28am, Jamal Hadi Salim wrote:
> > > On 01/22/15 10:13, Thomas Graf wrote:
> > > 
> > > >I don't follow this. John's proposal allows to decide on a case by
> > > >case basis what we want to export. Just like with ethtool or
> > > >RTNETLINK. There is no direct access to hardware. A user can only
> > > >configure what is being exposed by the kernel.
> > > >
> > > 
> > > So if i am a vendor with my own driver, I can expose whatever i want.
> > 
> > No. We will reject any driver change attempting to do so on this
> > list.
> 
> I think those vendors do not want to push those driver changes
> mainstream. They will likely use these new ndo's to fully expose their
> vendor-specific capabilities distributed in proprietary blobs.

You can achieve the exact same thing with an out of tree tc action,
classifier or even a new link type. Nothing prevents an out of tree
driver to register a new rtnetlink link type and do vendor specific
crap.

Out of tree code can abuse any kernel API in any way it wants. Not
sure how much we can do about that.

That said, as we know, vendor specific SDKs for most of the chips in
question here already exist. I'm not sure why a vendor would want to
use this infrastructure (which is subject to constant internal API
changes) to implement vendor specific APIs if that vendor already has
an indepdendent out of tree SDK.

  parent reply	other threads:[~2015-01-22 17:44 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-20 20:26 [net-next PATCH v3 00/12] Flow API John Fastabend
2015-01-20 20:26 ` [net-next PATCH v3 01/12] net: flow_table: create interface for hw match/action tables John Fastabend
2015-01-22  4:37   ` Simon Horman
2015-01-20 20:27 ` [net-next PATCH v3 02/12] net: flow_table: add rule, delete rule John Fastabend
2015-01-20 20:27 ` [net-next PATCH v3 03/12] net: flow: implement flow cache for get routines John Fastabend
2015-01-20 20:27 ` [net-next PATCH v3 04/12] net: flow_table: create a set of common headers and actions John Fastabend
2015-01-20 20:59   ` John W. Linville
2015-01-20 22:10     ` John Fastabend
2015-01-20 20:28 ` [net-next PATCH v3 05/12] net: flow_table: add validation functions for rules John Fastabend
2015-01-20 20:28 ` [net-next PATCH v3 06/12] net: rocker: add pipeline model for rocker switch John Fastabend
2015-01-20 20:29 ` [net-next PATCH v3 07/12] net: rocker: add set rule ops John Fastabend
2015-01-20 20:29 ` [net-next PATCH v3 08/12] net: rocker: add group_id slices and drop explicit goto John Fastabend
2015-01-20 20:30 ` [net-next PATCH v3 09/12] net: rocker: add multicast path to bridging John Fastabend
2015-01-20 20:30 ` [net-next PATCH v3 10/12] net: rocker: add cookie to group acls and use flow_id to set cookie John Fastabend
2015-01-20 20:31 ` [net-next PATCH v3 11/12] net: rocker: have flow api calls set cookie value John Fastabend
2015-01-20 20:31 ` [net-next PATCH v3 12/12] net: rocker: implement delete flow routine John Fastabend
2015-01-22 12:52 ` [net-next PATCH v3 00/12] Flow API Pablo Neira Ayuso
2015-01-22 13:37   ` Thomas Graf
2015-01-22 14:00     ` Pablo Neira Ayuso
2015-01-22 15:00       ` Jamal Hadi Salim
2015-01-22 15:13         ` Thomas Graf
2015-01-22 15:28           ` Jamal Hadi Salim
2015-01-22 15:37             ` Thomas Graf
2015-01-22 15:44               ` Jamal Hadi Salim
2015-01-23 10:10                 ` Thomas Graf
2015-01-23 10:24                   ` Jiri Pirko
2015-01-23 11:08                     ` Thomas Graf
2015-01-23 11:39                       ` Jiri Pirko
2015-01-23 12:28                         ` Thomas Graf
2015-01-23 13:43                           ` Jiri Pirko
2015-01-23 14:07                             ` Thomas Graf
2015-01-23 15:25                               ` Jiri Pirko
2015-01-23 15:43                                 ` John Fastabend
2015-01-23 15:56                                   ` Jiri Pirko
2015-01-23 15:49                                 ` Thomas Graf
2015-01-23 16:00                                   ` Jiri Pirko
2015-01-23 15:34                               ` John Fastabend
2015-01-23 15:53                                 ` Jiri Pirko
2015-01-23 16:00                                   ` Thomas Graf
2015-01-23 16:08                                     ` John Fastabend
2015-01-23 16:16                                     ` Jiri Pirko
2015-01-24 13:04                                       ` Jamal Hadi Salim
2015-01-23 17:46                                 ` Thomas Graf
2015-01-23 19:59                                   ` John Fastabend
2015-01-23 23:16                                     ` Thomas Graf
2015-01-24 13:22                                   ` Jamal Hadi Salim
2015-01-24 13:34                                     ` Thomas Graf
2015-01-24 13:01                                 ` Jamal Hadi Salim
2015-01-26  8:26                                   ` Simon Horman
2015-01-26 12:26                                     ` Jamal Hadi Salim
2015-01-27  4:28                                       ` David Ahern
2015-01-27  4:58                                         ` Andy Gospodarek
2015-01-27 15:54                                           ` Jamal Hadi Salim
2015-01-24 12:36                         ` Jamal Hadi Salim
2015-01-22 15:48               ` Jiri Pirko
2015-01-22 17:58                 ` Thomas Graf
2015-01-22 16:49               ` Pablo Neira Ayuso
2015-01-22 17:10                 ` John Fastabend
2015-01-22 17:44                 ` Thomas Graf [this message]
2015-01-24 12:34                   ` Jamal Hadi Salim
2015-01-24 13:48                     ` Thomas Graf
2015-01-23  9:00                 ` David Miller
2015-01-22 16:58           ` John Fastabend
2015-01-23 10:49             ` Thomas Graf
2015-01-23 16:42               ` John Fastabend
2015-01-24 12:29             ` Jamal Hadi Salim

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