netdev - Re: [PATCH] net: dsa: fix mv88e6xxx switches

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Date:	Sat, 23 Jan 2016 19:48:57 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Andrew Lunn <andrew@...n.ch>
Cc:	Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
	netdev@...r.kernel.org
Subject: Re: [PATCH] net: dsa: fix mv88e6xxx switches

On Sat, Jan 23, 2016 at 08:37:05PM +0100, Andrew Lunn wrote:
> I'm testing on a 6172. But 6172 and 6176 are both in the same family
> 6352, and share the same driver.

Hmm, can't be that then.

> So you initially have lan1 in an bridge. I don't.

Okay, I've disabled br0 in the debian network/interfaces and rebooted.
This means eth0 (connected to the bridge) is initially down, along with
all the lan interfaces.

root@...arfog:~# brctl show br0
bridge name     bridge id               STP enabled     interfaces
br0             can't get info No such device
root@...arfog:~# ip link set eth0 up
root@...arfog:~# ip link set lan5 up
root@...arfog:~# ip addr add 192.168.254.3/24 dev lan5
root@...arfog:~# ping 192.168.254.254
PING 192.168.254.254 (192.168.254.254) 56(84) bytes of data.
64 bytes from 192.168.254.254: icmp_seq=1 ttl=64 time=1.15 ms
64 bytes from 192.168.254.254: icmp_seq=2 ttl=64 time=0.686 ms
^C
--- 192.168.254.254 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 0.686/0.921/1.157/0.237 ms
root@...arfog:~# ip addr del 192.168.254.3/24 dev lan5
root@...arfog:~# brctl addbr br0
root@...arfog:~# brctl addif br0 lan5
root@...arfog:~# ip link set br0 up
root@...arfog:~# ip addr add 192.168.254.3/24 dev br0
root@...arfog:~# ping 192.168.254.254
PING 192.168.254.254 (192.168.254.254) 56(84) bytes of data.
64 bytes from 192.168.254.254: icmp_seq=1 ttl=64 time=1.18 ms
^C
--- 192.168.254.254 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 1.189/1.189/1.189/0.000 ms

-- 
RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.