From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pavel Machek <pavel@ucw.cz>
Subject: Re: Synopsys Ethernet QoS
Date: Thu, 15 Dec 2016 12:09:17 +0100
Message-ID: <20161215110917.GA13571@amd>
References: <CAHp75VcKURaTQX9=SY8+46GGATuwO1oXAi8eMS+uwk58sjKx5Q@mail.gmail.com>
 <3aee5a67-5e19-34e6-1719-ff13c7b914ea@gmail.com>
 <CAHp75VfT9B3O5jU0eHoKtgYc48K2ZjCQ-g9ZQ9nX1Hew6tz-zw@mail.gmail.com>
 <556353b7-c847-7549-626d-3c324063647e@gmail.com>
 <f5357ea2-a295-ab08-046e-f8b8f6ca4344@synopsys.com>
 <1d445ec1-deb8-6e36-39c4-6813c446095f@axis.com>
 <73bf8cb4-5685-2db6-529c-1de99b1fd358@st.com>
 <99424968-ad8f-fec6-ebcf-ab7b19ee5486@axis.com>
 <20161214125735.GA19542@amd>
 <79642215-95ce-7f04-3db7-121c585e2f2a@synopsys.com>
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Cc: Niklas Cassel <niklas.cassel@axis.com>,
        Giuseppe CAVALLARO <peppe.cavallaro@st.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Andy Shevchenko <andy.shevchenko@gmail.com>,
        David Miller <davem@davemloft.net>, larper@axis.com,
        rabinv@axis.com, netdev <netdev@vger.kernel.org>,
        CARLOS.PALMINHA@synopsys.com, Jie.Deng1@synopsys.com,
        Stephen Warren <swarren@nvidia.com>
To: Joao Pinto <Joao.Pinto@synopsys.com>
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Hi!

> I know that this is completely of topic, but I am facing a dificulty with
> stmmac. I have interrupts, mac well configured rx packets being received
> successfully, but TX is not working, resulting in Tx errors =3D Total TX =
packets.
> I have made a lot of debug and my conclusions is that by some reason when=
 using
> stmmac after starting tx dma, the hw state machine enters a deadend state
> resulting in those errors. Anyone faced this trouble?

Actually, I see you have address @synopsys.com, would you have
documentation for the chip?

I'm trying to understand stmmac_tx_clean() and docs would help...

Thanks,
								Pavel
--=20
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo=
g.html

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