netdev - Re: [patch net-next 00/26] bonding/team offload + mlxsw implementation

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Message-ID: <20151202082502.GE2355@nanopsycho.orion>
Date:	Wed, 2 Dec 2015 09:25:02 +0100
From:	Jiri Pirko <jiri@...nulli.us>
To:	Or Gerlitz <gerlitz.or@...il.com>
Cc:	Linux Netdev List <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	Ido Schimmel <idosch@...lanox.com>,
	Elad Raz <eladr@...lanox.com>, yotamg@...lanox.com,
	Or Gerlitz <ogerlitz@...lanox.com>, pjonnala@...adcom.com,
	Jay Vosburgh <j.vosburgh@...il.com>, vfalico@...il.com,
	Andy Gospodarek <gospo@...ulusnetworks.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Scott Feldman <sfeldma@...il.com>,
	john fastabend <john.fastabend@...il.com>
Subject: Re: [patch net-next 00/26] bonding/team offload + mlxsw
 implementation

Wed, Dec 02, 2015 at 09:21:37AM CET, gerlitz.or@...il.com wrote:
>On Wed, Dec 2, 2015 at 9:58 AM, Jiri Pirko <jiri@...nulli.us> wrote:
>> Wed, Dec 02, 2015 at 06:53:35AM CET, gerlitz.or@...il.com wrote:
>
>>> Another question relates to users bonding/teaming netdevice ports from
>>> different HW switches, or of two vlans over ports from the same HW switch.
>
>>> This is something that AFAIK not supported by HW -- do we want to disallow that?
>>> what layer in the kernel we want to enforce that limitation? team/bond
>>> or switchdev core or the switchdev HW driver?
>
>> It is not handled at the moment. In can be easily disallowed by driver.
>
>what about the case of LAG + VLANs, what would be currently supported,
>bonding vlans or vlan a bond?
>
>
>bond b0 -->
>     vlan A.X --> switchdev port A
>     vlan B.X --> switchdev port B
>
>vlan b0.X --> bond b0 -->
>vlan --> switchdev port

- vlan on top of bond/team (bridge vlan) is currently supported.
- Ido is working on support of vlan device on top of bond/team. This
  will be most likely matter of the next patchset, quite soon.
- bond/team on top of vlan is not supported by hw.

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