linux-kernel - Re: [PATCH net] net: stmmac: allow a tc-taprio base-time of zero

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Message-ID: <87h7cl1j41.fsf@kurt>
Date:   Tue, 09 Nov 2021 15:47:26 +0100
From:   Kurt Kanzenbach <kurt.kanzenbach@...utronix.de>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Xiaoliang Yang <xiaoliang.yang_1@....com>,
        Yannick Vignon <yannick.vignon@....com>
Subject: Re: [PATCH net] net: stmmac: allow a tc-taprio base-time of zero

On Tue Nov 09 2021, Vladimir Oltean wrote:
> On Tue, Nov 09, 2021 at 09:20:53AM +0100, Kurt Kanzenbach wrote:
>> Hi Vladimir,
>> 
>> On Mon Nov 08 2021, Vladimir Oltean wrote:
>> > Commit fe28c53ed71d ("net: stmmac: fix taprio configuration when
>> > base_time is in the past") allowed some base time values in the past,
>> > but apparently not all, the base-time value of 0 (Jan 1st 1970) is still
>> > explicitly denied by the driver.
>> >
>> > Remove the bogus check.
>> >
>> > Fixes: b60189e0392f ("net: stmmac: Integrate EST with TAPRIO scheduler API")
>> > Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
>> 
>> I've experienced the same problem and wanted to send a patch for
>> it. Thanks!
>> 
>> Reviewed-by: Kurt Kanzenbach <kurt@...utronix.de>
>
> Cool. So you had that patch queued up? What other stmmac patches do you
> have queued up? :).

I'm experiencing some problems with XDP using this driver. We're
currently investigating.

Thanks,
Kurt

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