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Date:	Wed, 22 Jan 2014 09:22:15 +0100
From:	Jiri Pirko <>
To:	Scott Feldman <>
Cc:	Veaceslav Falico <>,
	Jay Vosburgh <>,
	Andy Gospodarek <>,
	Netdev <>,
	Roopa Prabhu <>,
	Shrijeet Mukherjee <>,
	Ding Tianhong <>
Subject: Re: [PATCH net-next v2 2/2] bonding: add netlink attributes to slave
 link dev

Tue, Jan 21, 2014 at 11:42:58PM CET, wrote:
>On Jan 21, 2014, at 2:00 PM, Jiri Pirko <> wrote:
>> Tue, Jan 21, 2014 at 10:36:58PM CET, wrote:
>>> On Jan 21, 2014, at 5:34 AM, Jiri Pirko <> wrote:
>>>>> +	if (rtnl_bond_slave_fill(skb, dev))
>>>>> +		goto nla_put_failure;
>>>>> +
>>>> I must say I do not like this at all. This should be done in a generic
>>>> way. By a callback registered by bonding and possibly other master-slave
>>>> device types.
>>> The bond was registered with the ndo_get_slave op.  ndo_get_slave could be used for other master-slave device types.  I’ll agree that rtnl_bond_slave_fill() could have been written more generically.  Is that the objection?
>> I think is should be done rather in rtnl_link_ops. It's the natural point
>> for this ops. I have patchset prepared. Will send it very soon.
>Ok, cool.
>Also, right now I have IFLA_SLAVE as a nest for IFLA_SLAVE_xxx attrs.  Do you think we should have a two-layer nest so we can capture other master-slave devices rather than just bond slaves?  I.e.:
>		IFLA_FOO_SLAVE			// FOO is some other non-bond master
>(Of course, slave wouldn’t be bond and foo slave at same time).

I would rather do this in LINKINFO nest the same way IFLA_BOND_* are
done. Please see following patch:

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