netdev - Re: [patch net-next] mlxsw: spectrum_switchdev: Allow port enslavement to a VLAN-unaware bridge

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Message-ID: <fc62feba-7a01-d338-4274-1ea63b88a86b@gmail.com>
Date:   Thu, 22 Feb 2018 12:27:35 -0700
From:   David Ahern <dsahern@...il.com>
To:     David Miller <davem@...emloft.net>
Cc:     jiri@...nulli.us, netdev@...r.kernel.org, idosch@...lanox.com,
        mlxsw@...lanox.com
Subject: Re: [patch net-next] mlxsw: spectrum_switchdev: Allow port
 enslavement to a VLAN-unaware bridge

On 2/22/18 11:58 AM, David Miller wrote:
> From: David Ahern <dsahern@...il.com>
> Date: Wed, 21 Feb 2018 11:16:35 -0700
> 
>> On 2/20/18 12:45 AM, Jiri Pirko wrote:
>>> From: Ido Schimmel <idosch@...lanox.com>
>>>
>>> Up until now we only allowed VLAN devices to be put in a VLAN-unaware
>>> bridge, but some users need the ability to enslave physical ports as
>>> well.
>>>
>>> This is achieved by mapping the port and VID 1 to the bridge's vFID,
>>> instead of the port and the VID used by the VLAN device.
>>>
>>> The above is valid because as long as the port is not enslaved to a
>>> bridge, VID 1 is guaranteed to be configured as PVID and egress
>>> untagged.
>>>
>>> Signed-off-by: Ido Schimmel <idosch@...lanox.com>
>>> Signed-off-by: Jiri Pirko <jiri@...lanox.com>
>>> ---
>>>  drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c | 12 +++++-------
>>>  1 file changed, 5 insertions(+), 7 deletions(-)
>>>
>>
>> Maybe I am missing something in the setup, but I am not getting
>> host-to-host connectivity. I booted a switch with this patch, configured
>> a bridge:
> 
> I'm waiting for this discussion to be fully resolved before applying this
> patch.  Just FYI...
> 

Ido:

IPv4 works at boot; IPv6 requires the mcast snooping disable. For this
vlan-unaware bridges can that be set automatically?

And then, what are the options for lldp?