From: Ilias Apalodimas <ilias.apalodimas@linaro.org>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Ivan Vecera <ivecera@redhat.com>, 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 18:07:04 +0300 [thread overview]
Message-ID: <20180524150704.GA20031@apalos> (raw)
In-Reply-To: <20180524145441.GE5128@lunn.ch>
On Thu, May 24, 2018 at 04:54:41PM +0200, Andrew Lunn wrote:
> If you cannot get an IP address, it is plain broken. The whole idea is
> that switch port interfaces are just linux interfaces. A linux
> interface which cannot get an IP address is broken.
The switch interfaces can get ip addresses just like every linux interface. The
cpu port can't (sw0p0)
>
> > Similar cases exist for customers on adding MDBs as far as i know. So they want
> > the "customer facing ports" to have the MDBs present but not the cpu port.
>
> That i can understand. And it should actually work now with
> switchdev. It performs IGMP snooping, and if there is nothing joining
> the group on the CPU, it won't add an MDB entry to forward traffic to
> the CPU.
Yes, but this should be configurable (i.e the customer can deny adding the MDB
on the cpu port)
>
> > Adding a cpu port that cannot transmit or receive traffic is a bit "weird"
>
> And how is it supposed to send BPDUs? STP is going to be broken....
Not sure about this, i'll have to check
Regards
Ilias
next prev parent reply other threads:[~2018-05-24 15:07 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
2018-05-24 14:08 ` Ilias Apalodimas
2018-05-24 14:54 ` Andrew Lunn
2018-05-24 15:07 ` Ilias Apalodimas [this message]
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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