netdev - Re: [PATCH RFC] net: bridge: Clear offload_fwd_mark when passing frame up bridge interface.

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 PHC
Open Source and information security mailing list archives

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

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

Date:   Fri, 13 May 2022 15:47:20 +0300
From:   Ido Schimmel <idosch@...dia.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Vladimir Oltean <vladimir.oltean@....com>,
        netdev <netdev@...r.kernel.org>,
        Nikolay Aleksandrov <razor@...ckwall.org>,
        Ido Schimmel <idosch@...lanox.com>,
        "bridge@...ts.linux-foundation.org" 
        <bridge@...ts.linux-foundation.org>
Subject: Re: [PATCH RFC] net: bridge: Clear offload_fwd_mark when passing
 frame up bridge interface.

On Thu, May 12, 2022 at 10:38:03PM +0200, Andrew Lunn wrote:
> > I like Andrew's patch because it is the Rx equivalent of
> > br_switchdev_frame_unmark() in br_dev_xmit(). However, if we go with the
> > second option, it should allow us to remove the clearing of the mark in
> > the Tx path as the control block is cleared in the Tx path since commit
> > fd65e5a95d08 ("net: bridge: clear bridge's private skb space on xmit").
> > 
> > I don't know how far back Nik's patch was backported and I don't know
> > how far back Andrew's patch will be backported, so it might be best to
> > submit Andrew's patch to net as-is and then in net-next change
> > nbp_switchdev_allowed_egress() and remove br_switchdev_frame_unmark()
> > from both the Rx and Tx paths.
> > 
> > Anyway, I have applied this patch to our tree for testing. Will report
> > tomorrow in case there are any regressions.
> 
> Hi Ido
> 
> Did your testing find any issues?

No, patch is fine. Thanks!