netdev - Re: [PATCH v3 1/9] ptp: Add generic ptp v2 header parsing function

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20200805152503.GB9122@hoboy>
Date:   Wed, 5 Aug 2020 08:25:03 -0700
From:   Richard Cochran <richardcochran@...il.com>
To:     Grygorii Strashko <grygorii.strashko@...com>
Cc:     Kurt Kanzenbach <kurt@...utronix.de>,
        Petr Machata <petrm@...lanox.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jiri Pirko <jiri@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>,
        Samuel Zou <zou_wei@...wei.com>, netdev@...r.kernel.org,
        Russell King <rmk+kernel@...linux.org.uk>
Subject: Re: [PATCH v3 1/9] ptp: Add generic ptp v2 header parsing function

On Tue, Aug 04, 2020 at 11:56:12PM +0300, Grygorii Strashko wrote:
> So, skb->data pints on Eth header, but skb_mac_header() return garbage.

This triggers an ancient memory in my head.  Now I vaguely recall that
there was a reason I made different parsing routines.  :(

Still I think it would be good to have the common PTP header parsing
method that can be used in most cases.

Thanks,
Richard