netdev - Re: [PATCHv4] bonding: Do not try to send packets over dead link in TLB mode.

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Message-Id: <20140716.233546.310404043860448834.davem@davemloft.net>
Date:	Wed, 16 Jul 2014 23:35:46 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	maheshb@...gle.com
Cc:	j.vosburgh@...il.com, vfalico@...hat.com, andy@...yhouse.net,
	netdev@...r.kernel.org, edumazet@...gle.com, maze@...gle.com
Subject: Re: [PATCHv4] bonding: Do not try to send packets over dead link
 in TLB mode.

From: Mahesh Bandewar <maheshb@...gle.com>
Date: Wed, 16 Jul 2014 11:10:36 -0700

> In TLB mode if tlb_dynamic_lb is NOT set, slaves from the bond
> group are selected based on the hash distribution. This does not
> exclude dead links which are part of the bond. Also if there is a
> temporary link event which brings down the interface, packets
> hashed on that interface would be dropped too.
> 
> This patch fixes these issues and distributes flows across the
> UP links only. Also the array construction of links which are
> capable of sending packets happen in the control path leaving
> only link-selection during the data-path.
> 
> One possible side effect of this is - at a link event; all
> flows will be shuffled to get good distribution. But impact of
> this should be minimum with the assumption that a member or
> members of the bond group are not available is a very temporary
> situation.
> 
> Signed-off-by: Mahesh Bandewar <maheshb@...gle.com>

Applied, thanks.
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