From mboxrd@z Thu Jan  1 00:00:00 1970
From: Cong Wang <xiyou.wangcong-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [RFC PATCH 3/3] Avoid generating udev rules for vlan interface
Date: Mon, 21 May 2012 17:31:57 +0800
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To: Harald Hoyer <harald-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Cong Wang <amwang-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, initramfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Dave Young <dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

On 05/21/2012 05:25 PM, Harald Hoyer wrote:
>> -        printf 'SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="%s", ATTR{type}=="1", NAME="%s"\n' "$ifname_mac" "$ifname_if"
>> +        #Hack: vlan device has the same mac address with its physical device
>> +        [ -e /tmp/vlan.info ]&&  source /tmp/vlan.info
>> +        if [ "$ifname_if" != "$vlanname" ]; then
>> +            printf 'SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="%s", ATTR{type}=="1", NAME="%s"\n' "$ifname_mac" "$ifname_if"
>> +        fi
>>       done
>>
>>       # Rename non named interfaces out of the way for named ones.
>
> Maybe one of the /sys attributes indicate, that it is a vlan interface?

Hmm... I tried DRIVERS!="8021q", then I got:

SUBSYSTEM=="net", ACTION=="add", DRIVERS!="8021q", ATTR{address}=="%s", 
ATTR{type}=="1" NAME="eth0"

SUBSYSTEM=="net", ACTION=="add", DRIVERS!="8021q", ATTR{address}=="%s", 
ATTR{type}=="1" NAME="eth0.2"

So, eth0 will be still renamed to eth0.2. :(