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Date:   Fri, 11 Sep 2020 09:08:39 -0700
From:   Richard Cochran <richardcochran@...il.com>
To:     Russell King <rmk+kernel@...linux.org.uk>
Cc:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Antoine Tenart <antoine.tenart@...tlin.com>,
        Matteo Croce <mcroce@...hat.com>,
        Andre Przywara <andre.przywara@....com>,
        Sven Auhagen <sven.auhagen@...eatech.de>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v3 7/7] net: mvpp2: ptp: add support for
 transmit timestamping

On Wed, Sep 09, 2020 at 11:00:47AM -0700, Richard Cochran wrote:
> On Tue, Sep 08, 2020 at 11:00:41PM +0100, Russell King wrote:
> 
> > +static bool mvpp2_tx_hw_tstamp(struct mvpp2_port *port,
> > +			       struct mvpp2_tx_desc *tx_desc,
> > +			       struct sk_buff *skb)
> > +{
> > +	unsigned int mtype, type, i, offset;
> > +	struct mvpp2_hwtstamp_queue *queue;
> > +	struct ptp_header *hdr;
> > +	u64 ptpdesc;
> > +
> > +	if (port->priv->hw_version == MVPP21 ||
> > +	    port->tx_hwtstamp_type == HWTSTAMP_TX_OFF)
> > +		return false;
> > +
> > +	type = ptp_classify_raw(skb);
> > +	if (!type)
> > +		return false;
> > +
> > +	hdr = ptp_parse_header(skb, type);
> > +	if (!hdr)
> > +		return false;
> 
> At this point, the skb will be queued up to receive a transmit time
> stamp, and so it should be marked with:
> 
> 	skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;

Russell, since this series went in already, can you follow up with
a patch for this please?

Thanks,
Richard

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