netdev - RE: [PATCH] smsc95xx: use ethtool_op_get_ts

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Message-ID: <9235D6609DB808459E95D78E17F2E43D40AD8899@CHN-SV-EXMX02.mchp-main.com>
Date:   Thu, 13 Jul 2017 18:29:13 +0000
From:   <Woojung.Huh@...rochip.com>
To:     <brain@...os.cz>, <steve.glendinning@...well.net>,
        <UNGLinuxDriver@...rochip.com>
CC:     <netdev@...r.kernel.org>, <linux-usb@...r.kernel.org>
Subject: RE: [PATCH] smsc95xx: use ethtool_op_get_ts_info()

> -----Original Message-----
> From: Petr Kulhavy [mailto:brain@...os.cz]
> Sent: Thursday, July 13, 2017 1:41 PM
> To: steve.glendinning@...well.net; UNGLinuxDriver
> Cc: netdev@...r.kernel.org; linux-usb@...r.kernel.org; Petr Kulhavy
> Subject: [PATCH] smsc95xx: use ethtool_op_get_ts_info()
> 
> This change enables the use of SW timestamping on Raspberry PI.
> 
> smsc95xx uses the usbnet transmit function usbnet_start_xmit(), which
> implements software timestamping. However the
> SOF_TIMESTAMPING_TX_SOFTWARE
> capability was missing and only SOF_TIMESTAMPING_RX_SOFTWARE was
> announced.
> By using ethtool_op_get_ts_info() as get_ts_info() also the
> SOF_TIMESTAMPING_TX_SOFTWARE is announced.
> 
> Signed-off-by: Petr Kulhavy <brain@...os.cz>

Reviewed-by: Woojung Huh <Woojung.Huh@...rochip.com>

Thanks