linux-kernel - Re: [PATCH] net: bcmgenet: use ethtool_op_get_ts

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Message-ID: <a7003b3c-4035-5d4f-43e7-a8a76dcea0fb@gmail.com>
Date:   Fri, 30 Aug 2019 11:51:39 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     "Ryan M. Collins" <rmc032@...knell.edu>,
        Doug Berger <opendmb@...il.com>,
        "David S. Miller" <davem@...emloft.net>
Cc:     bcm-kernel-feedback-list@...adcom.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: bcmgenet: use ethtool_op_get_ts_info()

On 8/30/19 11:49 AM, Ryan M. Collins wrote:
> This change enables the use of SW timestamping on the Raspberry Pi 4.

Finally the first bcmgenet patch that was tested on the Pi 4!

> 
> bcmgenet's transmit function bcmgenet_xmit() implements software
> timestamping. However the SOF_TIMESTAMPING_TX_SOFTWARE capability was
> missing and only SOF_TIMESTAMPING_RX_SOFTWARE was announced. By using
> ethtool_ops bcmgenet_ethtool_ops() as get_ts_info(), the
> SOF_TIMESTAMPING_TX_SOFTWARE capability is announced.
> 
> Similar to commit a8f5cb9e7991 ("smsc95xx: use ethtool_op_get_ts_info()")
> 
> Signed-off-by: Ryan M. Collins <rmc032@...knell.edu>

Acked-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian