linux-kernel - RE: [PATCH net-next v9 08/13] net:ethernet:realtek:rtase: Implement net_device

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Message-ID: <a3e8d48600984a70b23c72ce7edbc1d2@realtek.com>
Date:   Mon, 16 Oct 2023 01:49:53 +0000
From:   Justin Lai <justinlai0215@...ltek.com>
To:     Andrew Lunn <andrew@...n.ch>
CC:     "kuba@...nel.org" <kuba@...nel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Ping-Ke Shih <pkshih@...ltek.com>,
        Larry Chiu <larry.chiu@...ltek.com>
Subject: RE: [PATCH net-next v9 08/13] net:ethernet:realtek:rtase: Implement net_device_ops

> 
> > > > +static void rtase_tx_timeout(struct net_device *dev, unsigned int
> > > > +txqueue) {
> > > > +     rtase_sw_reset(dev);
> > >
> > > Do you actually see this happening? The timeout is set pretty high,
> > > i think 5 seconds. If it does happen, it probably means you have a
> > > hardware/firmware bug. So you want to be noisy here, so you get to
> > > know about these problems, rather than silently work around them.
> >
> > I would like to ask if we can dump some information that will help us
> > understand the cause of the problem before doing the reset? And should
> > we use netdev_warn to print this information?
> 
> You might want to look at 'devlink health'.
> 
>     Andrew

Thank you for your suggestion.