netdev - Re: [PATCH] net: bcmgenet: use ethtool_op_get_ts

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Message-Id: <20190831.235140.41717819509316735.davem@davemloft.net>
Date:   Sat, 31 Aug 2019 23:51:40 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     rmc032@...knell.edu
Cc:     opendmb@...il.com, f.fainelli@...il.com,
        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()

From: "Ryan M. Collins" <rmc032@...knell.edu>
Date: Fri, 30 Aug 2019 14:49:55 -0400

> This change enables the use of SW timestamping on the Raspberry 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>

Applied.