netdev - Re: [PATCH net v3] bonding: disable arp and enable mii monitoring when bond change to no uses arp mode

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Date:	Thu, 28 Nov 2013 18:20:49 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	dingtianhong@...wei.com
Cc:	andy@...yhouse.net, dcbw@...hat.com, fubar@...ibm.com,
	nikolay@...hat.com, vfalico@...hat.com, netdev@...r.kernel.org
Subject: Re: [PATCH net v3] bonding: disable arp and enable mii monitoring
 when bond change to no uses arp mode

From: Ding Tianhong <dingtianhong@...wei.com>
Date: Fri, 22 Nov 2013 22:28:43 +0800

> Because the ARP monitoring is not support for 802.3ad, but I still
> could change the mode to 802.3ad from ab mode while ARP monitoring
> is running, it is incorrect.
> 
> So add a check for 802.3ad in bonding_store_mode to fix the problem,
> and make a new macro BOND_NO_USES_ARP() to simplify the code.
> 
> v2: according to the Dan Williams's suggestion, bond mode is the most
>     important bond option, it should override any of the other sub-options.
>     So when the mode is changed, the conficting values should be cleared
>     or reset, otherwise the user has to duplicate more operations to modify
>     the logic. I disable the arp and enable mii monitoring when the bond mode
>     is changed to AB, TB and 8023AD if the arp interval is true.
> 
> v3: according to the Nik's suggestion, the default value of miimon should need
>     a name, there is several place to use it, and the bond_store_arp_interval()
>     could use micro BOND_NO_USES_ARP to make the code more simpify.
> 
> Suggested-by: Dan Williams <dcbw@...hat.com>
> Suggested-by: Nikolay Aleksandrov <nikolay@...hat.com>
> Signed-off-by: Ding Tianhong <dingtianhong@...wei.com>

Applied, thanks for following up on this Ding.
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