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From: Ben Greear <greearb@candelatech.com>
To: netdev@vger.kernel.org, md@Linux.IT
Subject: Re: VLAN subinterfaces, bridges and udev
Date: Mon, 01 May 2006 09:02:04 -0700	[thread overview]
Message-ID: <445630FC.3030300@candelatech.com> (raw)
In-Reply-To: <20060430142929.GA8901@wonderland.linux.it>

Marco d'Itri wrote:
> [Please Cc me, I am not subscribed to netdev.]
> 
> Can I rely on the presence of the $DEVPATH/driver symlink (e.g.
> /sys/class/net/eth0/driver) to check if a network interface is a "real"
> device insteaf of a VLAN or a bridge?

To distinguish I use a VLAN specific IOCTL (GET_VLAN_REALDEV_NAME_CMD).
If that IOCTL has no error, then it is a VLAN.

I don't know if there is a similar trick for bridges.

Thanks,
Ben


-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com


  reply	other threads:[~2006-05-01 16:02 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-30 14:29 VLAN subinterfaces, bridges and udev Marco d'Itri
2006-05-01 16:02 ` Ben Greear [this message]
2006-05-01 19:43   ` Marco d'Itri

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