netdev - Re: more findings/questions on vlans/bonds

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Message-ID: <49F41982.4050608@Voltaire.com>
Date:	Sun, 26 Apr 2009 11:21:22 +0300
From:	Or Gerlitz <ogerlitz@...taire.com>
To:	Jay Vosburgh <fubar@...ibm.com>
CC:	netdev@...r.kernel.org, kaber@...sh.net
Subject: Re: more findings/questions on vlans/bonds

Jay Vosburgh wrote:
>> $ cat /sys/class/net/eth0.4001/carrier
>> cat: /sys/class/net/eth0.4001/carrier: Invalid argument

>         I suspect the "carrier: Invalid argument" response you describe
> above is a result of the show_carrier function in net-sysfs.c, which
> returns EINVAL if the device is not netif_running.  If the device (vlan
> or not) is running, the carrier is returned.

Yes, I see now that this is indeed the case with the sysfs code.

> So, here's a patch with a description.  This resolves the
> bonding problem for me

many thanks for doing this patch

Or.
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