netdev - Re: [PATCH net-next 4/4] net: mscc: ocelot: set up traps for PTP packets

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Date:   Fri, 26 Nov 2021 09:08:01 -0800
From:   Richard Cochran <richardcochran@...il.com>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Po Liu <po.liu@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Antoine Tenart <atenart@...nel.org>,
        "UNGLinuxDriver@...rochip.com" <UNGLinuxDriver@...rochip.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Xiaoliang Yang <xiaoliang.yang_1@....com>,
        "Y.B. Lu" <yangbo.lu@....com>, Rui Sousa <rui.sousa@....com>,
        "Allan W . Nielsen" <allan.nielsen@...rochip.com>
Subject: Re: [PATCH net-next 4/4] net: mscc: ocelot: set up traps for PTP
 packets

On Fri, Nov 26, 2021 at 05:01:13PM +0000, Vladimir Oltean wrote:

> This, to me, sounds more like the bridge trapping the packets on br0
> instead of letting them flow on the port netdevices, which is solved by
> some netfilter rules? Or is it really a driver/hardware issue?
> 
> https://lore.kernel.org/netdev/20211116102138.26vkpeh23el6akya@skbuf/

Yeah, thanks for the link.  I had seen it, but alas it came too late
for me to try on actual working HW.  Maybe it fixes the issue.

If someone out there has a Marvell switch, please try it and let us
know...

Thanks,
Richard