netdev - Re: Bonding problem

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Message-ID: <20110808162645.GT21309@gospo.rdu.redhat.com>
Date:	Mon, 8 Aug 2011 12:26:45 -0400
From:	Andy Gospodarek <andy@...yhouse.net>
To:	Eduard Sinelnikov <eduard.sinelnikov@...il.com>
Cc:	majordomo@...r.kernel.org, netdev@...r.kernel.org,
	Jay Vosburgh <fubar@...ibm.com>,
	Andy Gospodarek <andy@...yhouse.net>
Subject: Re: Bonding problem

On Sun, Aug 07, 2011 at 03:00:30PM +0300, Eduard Sinelnikov wrote:
> Hi,
> 
> In the kernel 2.6.39.3 ( /drivers/net/bond/bond_main.c).
> In the function  ‘bond_xmit_roundrobin’
> The code check if the bond is active via
> ‘bond_is_active_slave(slave)’ Function call.
> Which actually checks if the slave is backup or active
> What is the meaning of slave being  backup in round robin mode?
> Correct me if I wrong but in round robin every slave should send a
> packet, regardless of being active or backup.
> 
> Thank you,
>            Eduard

There probably is not a compelling reason to continue to have it.  There
may be a reason historically, but I'm not aware what that might be at
this point.  For modes other than active-backup, the value of
slave->link and slave->backup should always contain a value that
indicates the slave is up and available for transmit.

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