netdev - Re: [PATCH net-next v1] net: dsa: mv88e6xxx: Trap PTP traffic

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Message-ID: <20211213084425.65951354@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Mon, 13 Dec 2021 08:44:25 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Richard Cochran <richardcochran@...il.com>
Cc:     Tobias Waldekranz <tobias@...dekranz.com>,
        Kurt Kanzenbach <kurt@...-computers.de>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v1] net: dsa: mv88e6xxx: Trap PTP traffic

On Mon, 13 Dec 2021 04:10:45 -0800 Richard Cochran wrote:
> I looked at 1588 again, and for E2E TC it states, "All PTP version 2
> messages shall be forwarded according to the addressing rules of the
> network."  I suppose that includes the STP state.
> 
> For P2P TC, there is an exception that the peer delay messages are not
> forwarded.  These are generated and consumed by the switch.

Indeed, looks like a v1 vs v2 change :S