From: Ivan Vecera <ivecera@redhat.com>
To: Andrew Lunn <andrew@lunn.ch>,
Ilias Apalodimas <ilias.apalodimas@linaro.org>
Cc: Jiri Pirko <jiri@resnulli.us>,
netdev@vger.kernel.org, grygorii.strashko@ti.com,
ivan.khoronzhuk@linaro.org, nsekhar@ti.com,
francois.ozog@linaro.org, yogeshs@ti.com, spatton@ti.com
Subject: Re: [PATCH 0/4] RFC CPSW switchdev mode
Date: Thu, 24 May 2018 15:44:54 +0200 [thread overview]
Message-ID: <7437d485-1eac-9619-3827-5af9b32b939e@redhat.com> (raw)
In-Reply-To: <20180524125431.GB24557@lunn.ch>
On 24.5.2018 14:54, Andrew Lunn wrote:
> On Thu, May 24, 2018 at 11:48:31AM +0300, Ilias Apalodimas wrote:
>> On Thu, May 24, 2018 at 10:05:28AM +0200, Jiri Pirko wrote:
>>> Thu, May 24, 2018 at 08:56:20AM CEST, ilias.apalodimas@linaro.org wrote:
>>> Any reason you need cpu port? We don't need it in mlxsw and also in dsa.
>> Yes i've seen that on mlxsw/rocker drivers and i was reluctant adding one here.
>> The reason is that TI wants this configured differently from customer facing
>> ports. Apparently there are existing customers already using the "feature".
>> So OR'ing and adding the cpu port on every operation (add/del vlans add
>> ucast/mcast entries etc) was less favoured.
>
> Hi Ilias
>
> Nice to see this device moving away from its custom model and towards
> the switchdev model.
+1
> Did you consider making a clean break from the existing code and write
> a new driver. Let the existing customers using the existing
> driver. Have the new switchdev driver fully conform to switchdev.
I would also prefer fresh new driver. The existing one can be marked as
'bugfix-only' and later pertinently deprecated/removed.
>
> I don't like having this 'cpu' interface. As you say, it breaks the
> switchhdev model. If we need to extend the switchdev model to support
> some use case, lets do that. Please can you fully describe the use
> cases, so we can discuss how to implement them cleanly within the
> switchdev model.
+1
Ivan
next prev parent reply other threads:[~2018-05-24 13:45 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-24 6:56 [PATCH 0/4] RFC CPSW switchdev mode Ilias Apalodimas
2018-05-24 6:56 ` [PATCH 1/4] cpsw: move common headers definitions to cpsw_priv.h Ilias Apalodimas
2018-05-24 6:56 ` [PATCH 2/4] cpsw_ale: add support functions for switchdev Ilias Apalodimas
2018-05-24 6:56 ` [PATCH 3/4] cpsw_switchdev: add switchdev support files Ilias Apalodimas
2018-05-24 10:00 ` Maxim Uvarov
2018-05-27 4:39 ` kbuild test robot
2018-05-24 6:56 ` [PATCH 4/4] cpsw: add switchdev support Ilias Apalodimas
2018-05-24 13:12 ` Andrew Lunn
2018-05-24 13:32 ` Ilias Apalodimas
2018-05-24 16:39 ` Andrew Lunn
2018-05-25 4:56 ` Ilias Apalodimas
2018-06-01 21:48 ` Florian Fainelli
2018-06-02 10:34 ` Ilias Apalodimas
2018-06-02 16:10 ` Florian Fainelli
2018-06-02 16:52 ` Ilias Apalodimas
2018-06-05 21:03 ` Grygorii Strashko
2018-06-05 21:37 ` Florian Fainelli
2018-05-24 8:05 ` [PATCH 0/4] RFC CPSW switchdev mode Jiri Pirko
2018-05-24 8:48 ` Ilias Apalodimas
2018-05-24 12:54 ` Andrew Lunn
2018-05-24 13:44 ` Ivan Vecera [this message]
2018-05-24 14:08 ` Ilias Apalodimas
2018-05-24 14:54 ` Andrew Lunn
2018-05-24 15:07 ` Ilias Apalodimas
2018-05-24 15:25 ` Andrew Lunn
2018-05-24 16:02 ` Ilias Apalodimas
2018-05-24 16:33 ` Andrew Lunn
2018-05-25 6:29 ` Ilias Apalodimas
2018-05-25 10:28 ` Ilias Apalodimas
2018-05-25 11:59 ` Andrew Lunn
2018-05-25 12:09 ` Andrew Lunn
2018-05-31 15:27 ` Ilias Apalodimas
2018-06-02 23:28 ` Grygorii Strashko
2018-06-03 0:08 ` Andrew Lunn
2018-06-05 21:18 ` Grygorii Strashko
2018-06-05 21:28 ` Andrew Lunn
2018-06-05 21:42 ` Grygorii Strashko
2018-06-05 21:55 ` Andrew Lunn
2018-06-03 0:26 ` Andrew Lunn
2018-06-05 23:23 ` Grygorii Strashko
2018-06-05 23:49 ` Andrew Lunn
2018-06-06 8:23 ` Ivan Khoronzhuk
2018-06-03 0:37 ` Andrew Lunn
2018-06-05 21:31 ` Grygorii Strashko
2018-06-05 21:37 ` Andrew Lunn
2018-06-03 0:49 ` Andrew Lunn
2018-06-05 22:45 ` Grygorii Strashko
2018-06-05 23:40 ` Andrew Lunn
2018-06-01 21:29 ` Grygorii Strashko
2018-06-02 14:08 ` Andrew Lunn
2018-06-05 22:59 ` Grygorii Strashko
2018-06-05 23:53 ` Andrew Lunn
2018-06-06 6:42 ` Ilias Apalodimas
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