linux-kernel - RE: [PATCH net-next v3 38/47] net: dpaa: Adjust queue depth on rate change

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]

Date:   Thu, 21 Jul 2022 13:18:49 +0000
From:   Camelia Alexandra Groza <camelia.groza@....com>
To:     Sean Anderson <sean.anderson@...o.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Madalin Bucur <madalin.bucur@....com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     Leo Li <leoyang.li@....com>,
        Sean Anderson <sean.anderson@...o.com>,
        Russell King <linux@...linux.org.uk>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH net-next v3 38/47] net: dpaa: Adjust queue depth on rate
 change

> -----Original Message-----
> From: Linuxppc-dev <linuxppc-dev-
> bounces+camelia.groza=nxp.com@...ts.ozlabs.org> On Behalf Of Sean
> Anderson
> Sent: Saturday, July 16, 2022 1:00
> To: David S . Miller <davem@...emloft.net>; Jakub Kicinski
> <kuba@...nel.org>; Madalin Bucur <madalin.bucur@....com>;
> netdev@...r.kernel.org
> Cc: Leo Li <leoyang.li@....com>; Sean Anderson
> <sean.anderson@...o.com>; Russell King <linux@...linux.org.uk>; linux-
> kernel@...r.kernel.org; Eric Dumazet <edumazet@...gle.com>; Paolo
> Abeni <pabeni@...hat.com>; linuxppc-dev@...ts.ozlabs.org; linux-arm-
> kernel@...ts.infradead.org
> Subject: [PATCH net-next v3 38/47] net: dpaa: Adjust queue depth on rate
> change
> 
> Instead of setting the queue depth once during probe, adjust it on the
> fly whenever we configure the link. This is a bit unusal, since usually
> the DPAA driver calls into the FMAN driver, but here we do the opposite.
> We need to add a netdev to struct mac_device for this, but it will soon
> live in the phylink config.
> 
> I haven't tested this extensively, but it doesn't seem to break
> anything. We could possibly optimize this a bit by keeping track of the
> last rate, but for now we just update every time. 10GEC probably doesn't
> need to call into this at all, but I've added it for consistency.
> 
> Signed-off-by: Sean Anderson <sean.anderson@...o.com>

Acked-by: Camelia Groza <camelia.groza@....com>