linux-kernel - Re: [Regression?] Commit cb4f71c429 deliberately changes order of network interfaces

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Message-ID: <20160824183836.GG14311@csclub.uwaterloo.ca>
Date:   Wed, 24 Aug 2016 14:38:36 -0400
From:   lsorense@...lub.uwaterloo.ca (Lennart Sorensen)
To:     Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
Cc:     Ralph Sennhauser <ralph.sennhauser@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Gregory CLEMENT <gregory.clement@...e-electrons.com>
Subject: Re: [Regression?] Commit cb4f71c429 deliberately changes order of
 network interfaces

On Wed, Aug 24, 2016 at 01:10:23PM -0400, Lennart Sorensen wrote:
> Well certainly doing udevtrigger -n -v I see no ethernet devices (but
> lots of other things).  Looking in sysfs it is possible to dereive which
> ethX belongs to which port based on the directory names, but that's
> probably not the most convinient manner to deal with it.

OK, udev DOES work:

# udevadm info -p /sys/class/net/eth0
P: /devices/platform/soc/soc:internal-regs/f1034000.ethernet/net/eth0
E: DEVPATH=/devices/platform/soc/soc:internal-regs/f1034000.ethernet/net/eth0
E: IFINDEX=2
E: INTERFACE=eth0
E: SUBSYSTEM=net

# udevadm info -p /sys/class/net/eth1
P: /devices/platform/soc/soc:internal-regs/f1070000.ethernet/net/eth1
E: DEVPATH=/devices/platform/soc/soc:internal-regs/f1070000.ethernet/net/eth1
E: IFINDEX=3
E: INTERFACE=eth1
E: SUBSYSTEM=net

So it isn't hopeless.

-- 
Len Sorensen