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From: Andrew Lunn <andrew@lunn.ch>
To: mad skateman <madskateman@gmail.com>
Cc: Joakim Tjernlund <Joakim.Tjernlund@infinera.com>,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	"madalin.bucur@nxp.com" <madalin.bucur@nxp.com>
Subject: Re: DPAA Ethernet traffice troubles with Linux kernel
Date: Tue, 16 Jan 2018 22:00:48 +0100	[thread overview]
Message-ID: <20180116210048.GB29888@lunn.ch> (raw)
In-Reply-To: <CAHkrCmE5GzvkKTm5=Yy5QxKOL_OJn+9xrWLjhH=Zayg_nsQt7A@mail.gmail.com>

> *Given this if we disable that bit, we get the matching "Universally
> Administered Address" 00000100 (Binary), 04 (Hex) -> "04:00:00", hence my
> question:"*
> 
> This has something to do with the MAC adresses being locally administered
> .. and since whe can use Uboot and choose any Mac addr we want, this could
> make sense..

You cannot just flip this bit. Universally administered addresses are
allocated by the IEEE. You need to purchase them from the IEEE.
Locally administered MAC addresses you can use, and any sane DHCP
server should work with them.

This also does not fit with mii-tool -R observation.

     Andrew

  reply	other threads:[~2018-01-16 21:00 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-10 20:39 DPAA Ethernet traffice troubles with Linux kernel mad skateman
2018-01-15 16:38 ` Madalin-cristian Bucur
2018-01-15 16:59   ` Joakim Tjernlund
2018-01-15 19:03     ` Christian Zigotzky
2018-01-15 19:09       ` Christian Zigotzky
2018-01-15 20:21         ` mad skateman
2018-01-15 21:32         ` mad skateman
2018-01-16 15:04           ` Andrew Lunn
2018-01-16 17:07             ` Madalin-cristian Bucur
2018-01-16 14:38     ` Andrew Lunn
2018-01-16 17:57       ` Joakim Tjernlund
2018-01-16 18:16         ` mad skateman
2018-01-16 18:38         ` mad skateman
2018-01-16 18:39         ` mad skateman
2018-01-17  5:54           ` Christian Zigotzky
2018-01-16 18:44         ` mad skateman
2018-01-16 21:00           ` Andrew Lunn [this message]
2018-01-16 21:15             ` mad skateman
2018-01-16 20:53         ` Andrew Lunn
2018-01-17 11:47           ` Joakim Tjernlund
2018-01-17 12:06             ` mad skateman
2018-01-17 13:43             ` Andrew Lunn
2018-01-17 14:15               ` Madalin-cristian Bucur
2018-01-17 14:24                 ` Madalin-cristian Bucur
2018-01-17 14:43                   ` Madalin-cristian Bucur
2018-02-03 11:54                     ` mad skateman
2018-02-06 11:20                       ` Christian Zigotzky
2018-02-07 21:00                         ` mad skateman
2018-02-07 21:17                           ` Andrew Lunn
2018-02-07 22:13                             ` Christian Zigotzky
2018-01-17 14:11         ` Madalin-cristian Bucur
2018-01-17 15:00           ` Joakim Tjernlund
2018-01-18  9:04             ` Joakim Tjernlund
2018-01-19  8:00           ` Joakim Tjernlund
2018-01-19 13:22             ` Andrew Lunn
2018-01-19 13:42               ` Joakim Tjernlund
2018-02-04 16:47               ` PA Semi PWRficient Gigabit Ethernet doesn't work anymore since the first networking updates for the kernel 4.16 Christian Zigotzky
2018-02-04 17:16                 ` Andrew Lunn
2018-02-04 20:01                   ` Florian Fainelli
2018-02-05  9:38                   ` Christian Zigotzky
2018-02-05 14:29                     ` Andrew Lunn
2018-02-05 15:27                       ` Christian Zigotzky

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