linux-kernel - Re: [PATCH v6 06/14] can: m_can: Add rx coalescing ethtool support

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:   Sun, 1 Oct 2023 14:23:55 +0200
From:   Simon Horman <horms@...nel.org>
To:     Markus Schneider-Pargmann <msp@...libre.com>
Cc:     Marc Kleine-Budde <mkl@...gutronix.de>,
        Chandrasekar Ramakrishnan <rcsekar@...sung.com>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Vincent MAILHOL <mailhol.vincent@...adoo.fr>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, linux-can@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Julien Panis <jpanis@...libre.com>, Judith Mendez <jm@...com>
Subject: Re: [PATCH v6 06/14] can: m_can: Add rx coalescing ethtool support

On Fri, Sep 29, 2023 at 04:12:56PM +0200, Markus Schneider-Pargmann wrote:
> Add the possibility to set coalescing parameters with ethtool.
> 
> rx-frames-irq and rx-usecs-irq can only be set and unset together as the
> implemented mechanism would not work otherwise. rx-frames-irq can't be
> greater than the RX FIFO size.
> 
> Also all values can only be changed if the chip is not active.
> 
> Polling is excluded from irq coalescing support.
> 
> Signed-off-by: Markus Schneider-Pargmann <msp@...libre.com>

Reviewed-by: Simon Horman <horms@...nel.org>