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From: Jiri Pirko <jiri@resnulli.us>
To: Andy Gospodarek <gospo@cumulusnetworks.com>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>,
	netdev@vger.kernel.org, davem@davemloft.net, idosch@mellanox.com,
	eladr@mellanox.com, yotamg@mellanox.com, ogerlitz@mellanox.com,
	yishaih@mellanox.com, dledford@redhat.com, sean.hefty@intel.com,
	hal.rosenstock@gmail.com, eugenia@mellanox.com,
	roopa@cumulusnetworks.com, nikolay@cumulusnetworks.com,
	hadarh@mellanox.com, jhs@mojatatu.com, john.fastabend@gmail.com,
	jeffrey.t.kirsher@intel.com, brouer@redhat.com,
	ivecera@redhat.com, rami.rosen@intel.com
Subject: Re: [patch net-next 3/9] mlx4: Implement port type setting via devlink interface
Date: Tue, 23 Feb 2016 16:31:00 +0100	[thread overview]
Message-ID: <20160223153100.GK2140@nanopsycho.orion> (raw)
In-Reply-To: <20160223152008.GR33942@gospo.home.greyhouse.net>

Tue, Feb 23, 2016 at 04:20:09PM CET, gospo@cumulusnetworks.com wrote:

<snip>

>> >
>> >I am not sure, but one of the initial problems was that this information
>> >should already be there before the driver actually gets loaded, no? These
>> >changes don't solve this problem either?
>> 
>> This is planned to be implemented in near future. Basically there would
>> be possible to use DEVLINK_CMD_NEW to add devlink iface for specific device
>> even before the driver gets loaded to serve as a place holder to set values
>s/driver/network driver/ right?

right.

>
>> of some predefined set of options. Once the driver registers, it can read
>> those and act accordingly. For example, we need that to set "profile" of
>> our asic. This is a substitute to module options which are completely
>> inappropriate for this usecase.
>
>FWIW, I DO like the idea that the PCI driver contains this information
>and netdev creation in the network driver depends on this mapping.  We
>see these issues on a regular basis and while have solved it other
>ways (rtnl_link_ops and genl which is why I like a cross-vendor way to
>do it like this).
>

  reply	other threads:[~2016-02-23 15:31 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-22 18:31 [patch net-next 0/9] Introduce devlink interface and first drivers to use it Jiri Pirko
2016-02-22 18:31 ` [patch net-next 1/9] Introduce devlink infrastructure Jiri Pirko
2016-02-22 22:29   ` roopa
2016-02-23  7:47     ` Jiri Pirko
2016-02-24  7:02   ` Yuval Mintz
2016-02-24 10:56     ` Jiri Pirko
2016-02-22 18:31 ` [patch net-next 2/9] mlx4: Implement devlink interface Jiri Pirko
2016-02-22 18:31 ` [patch net-next 3/9] mlx4: Implement port type setting via " Jiri Pirko
2016-02-23 11:26   ` Hannes Frederic Sowa
2016-02-23 12:21     ` Jiri Pirko
2016-02-23 13:28       ` Hannes Frederic Sowa
2016-02-23 14:26         ` Jiri Pirko
2016-02-23 15:16           ` Hannes Frederic Sowa
2016-02-23 15:30             ` Jiri Pirko
2016-02-23 15:57               ` Hannes Frederic Sowa
2016-02-23 16:04                 ` Jiri Pirko
2016-02-23 16:45                   ` Hannes Frederic Sowa
2016-02-23 16:55                     ` Jiri Pirko
2016-02-23 17:07                       ` Hannes Frederic Sowa
2016-02-23 15:20           ` Andy Gospodarek
2016-02-23 15:31             ` Jiri Pirko [this message]
2016-02-23 18:16       ` David Miller
2016-02-23 17:31     ` Stephen Hemminger
2016-02-24  7:15       ` Jiri Pirko
2016-02-22 18:31 ` [patch net-next 4/9] mlxsw: Implement " Jiri Pirko
2016-02-22 18:32 ` [patch net-next 5/9] mlxsw: core: Add devlink port splitter callbacks Jiri Pirko
2016-02-22 18:32 ` [patch net-next 6/9] mlxsw: spectrum: Unmap local port from module during teardown Jiri Pirko
2016-02-22 20:32   ` John Fastabend
2016-02-22 21:00     ` Ido Schimmel
2016-02-22 21:08       ` John Fastabend
2016-02-23  4:50     ` Andy Gospodarek
2016-02-22 18:32 ` [patch net-next 7/9] mlxsw: spectrum: Store local port to module mapping during init Jiri Pirko
2016-02-22 18:32 ` [patch net-next 8/9] mlxsw: spectrum: Mark unused ports using NULL Jiri Pirko
2016-02-22 18:32 ` [patch net-next 9/9] mlxsw: spectrum: Introduce port splitting Jiri Pirko
2016-02-23  5:12 ` [patch net-next 0/9] Introduce devlink interface and first drivers to use it Andy Gospodarek
2016-02-23  7:32   ` Jiri Pirko
2016-02-23 14:34     ` Andy Gospodarek
2016-02-23 14:45       ` Jiri Pirko
2016-02-23 15:55         ` Andy Gospodarek
2016-02-23 16:01           ` Jiri Pirko
2016-02-23 16:19             ` Andy Gospodarek
2016-02-23 16:23               ` Jiri Pirko

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