netdev - Re: [PATCH v3] bonding: Inactive slaves should keep inactive flag's value

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Date:	Fri, 04 Apr 2014 10:04:38 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	zheng.x.li@...cle.com
Cc:	netdev@...r.kernel.org, j.vosburgh@...il.com, fubar@...ibm.com,
	andy@...yhouse.net, vfalico@...hat.com,
	linux-kernel@...r.kernel.org, joe.jin@...cle.com
Subject: Re: [PATCH v3] bonding: Inactive slaves should keep inactive
 flag's value

From: Zheng Li <zheng.x.li@...cle.com>
Date: Wed,  2 Apr 2014 11:01:48 +0800

> bond_open is not setting the inactive flag correctly for some modes (alb and
> tlb), resulting in error behavior if the bond has been administratively set
> down and then back up. This effect should not occur when slaves are added while
> the bond is up; it's something that only happens after a down/up bounce of the
> bond.
> 
> For example, in bond tlb or alb mode, domu send some ARP request which go out
> from dom0 bond's active slave, then the ARP broadcast request packets go back to
> inactive slave from switch, because the inactive slave's inactive flag is zero,
> kernel will receive the packets and pass them to bridge that cause dom0's bridge
> map domu's MAC address to port of bond, bridge should map domu's MAC to port of
> vif.
> 
> Signed-off-by: Zheng Li <zheng.x.li@...cle.com>
> Signed-off-by: Jay Vosburgh <j.vosburgh@...il.com>

Applied.
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