netdev - Re: [PATCH net-next v3 1/1] net/sched: Enable tc skb ext allocation on chain miss only when needed

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: <3718680b-5b57-b21f-329a-3740ec63bb5b@mojatatu.com>
Date:   Fri, 4 Feb 2022 09:01:06 -0500
From:   Jamal Hadi Salim <jhs@...atatu.com>
To:     Paul Blakey <paulb@...dia.com>, dev@...nvswitch.org,
        netdev@...r.kernel.org, Cong Wang <xiyou.wangcong@...il.com>,
        Pravin B Shelar <pshelar@....org>, davem@...emloft.net,
        Jiri Pirko <jiri@...dia.com>, Jakub Kicinski <kuba@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>
Cc:     Saeed Mahameed <saeedm@...dia.com>, Oz Shlomo <ozsh@...dia.com>,
        Vlad Buslov <vladbu@...dia.com>, Roi Dayan <roid@...dia.com>
Subject: Re: [PATCH net-next v3 1/1] net/sched: Enable tc skb ext allocation
 on chain miss only when needed

On 2022-02-03 03:44, Paul Blakey wrote:
> Currently tc skb extension is used to send miss info from
> tc to ovs datapath module, and driver to tc. For the tc to ovs
> miss it is currently always allocated even if it will not
> be used by ovs datapath (as it depends on a requested feature).
> 
> Export the static key which is used by openvswitch module to
> guard this code path as well, so it will be skipped if ovs
> datapath doesn't need it. Enable this code path once
> ovs datapath needs it.
> 
> Signed-off-by: Paul Blakey <paulb@...dia.com>

For the tc bits:

Reviewed-by: Jamal Hadi Salim <jhs@...atatu.com>

cheers,
jamal