linux-kernel - Re: [RFC PATCH net-next 2/5] net: 8021q: vlan_dev: add vid tag for uc and mc address lists

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Date:   Wed, 5 Dec 2018 02:04:51 +0200
From:   Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     davem@...emloft.net, linux-omap@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        jiri@...lanox.com, andrew@...n.ch
Subject: Re: [RFC PATCH net-next 2/5] net: 8021q: vlan_dev: add vid tag for
 uc and mc address lists

On Tue, Dec 04, 2018 at 11:49:27AM -0800, Florian Fainelli wrote:

...

>>
>> I was thinking also about pinned list of vlans to the address, but in
>> this case this information also has to be synced by members of device
>> chain,
>> because it can be modified on any device level and it looks not very
>> friendly,
>> and at the end address space has addresses with pinned lists of vlans with
>> their pointers. But keeping this stuff in sync is not simplest decision.
>>
>>
>
>I really think we are not communicating properly, it really seems to me
>that if you had the information about the upper device trying to add an
>address to the lower device filter's either through notification or call
>to ndo_set_rxmode, you could be solving your problems. What are we
>missing here?

Sry, missed this one. The problem in getting  the owner of address.
Just simple case: vlan/macvlan/real_dev or vlan/.../.../real_dev

The real dev hasn't simple way to get vid the address belong to, or it has?



>--
>Florian

-- 
Regards,
Ivan Khoronzhuk