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Date: Sat, 22 Feb 2020 21:24:30 -0500 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Arthur Kiyanovski <akiyano@...zon.com>, Ezequiel Lara Gomez <ezegomez@...zon.com>, "David S . Miller" <davem@...emloft.net>, Sasha Levin <sashal@...nel.org>, netdev@...r.kernel.org Subject: [PATCH AUTOSEL 4.9 08/16] net: ena: add missing ethtool TX timestamping indication From: Arthur Kiyanovski <akiyano@...zon.com> [ Upstream commit cf6d17fde93bdda23c9b02dd5906a12bf8c55209 ] Current implementation of the driver calls skb_tx_timestamp()to add a software tx timestamp to the skb, however the software-transmit capability is not reported in ethtool -T. This commit updates the ethtool structure to report the software-transmit capability in ethtool -T using the standard ethtool_op_get_ts_info(). This function reports all software timestamping capabilities (tx and rx), as well as setting phc_index = -1. phc_index is the index of the PTP hardware clock device that will be used for hardware timestamps. Since we don't have such a device in ENA, using the default -1 value is the correct setting. Fixes: 1738cd3ed342 ("net: ena: Add a driver for Amazon Elastic Network Adapters (ENA)") Signed-off-by: Ezequiel Lara Gomez <ezegomez@...zon.com> Signed-off-by: Arthur Kiyanovski <akiyano@...zon.com> Signed-off-by: David S. Miller <davem@...emloft.net> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/net/ethernet/amazon/ena/ena_ethtool.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c index 06fd061a20e9a..d85fe0de28dba 100644 --- a/drivers/net/ethernet/amazon/ena/ena_ethtool.c +++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c @@ -819,6 +819,7 @@ static const struct ethtool_ops ena_ethtool_ops = { .get_channels = ena_get_channels, .get_tunable = ena_get_tunable, .set_tunable = ena_set_tunable, + .get_ts_info = ethtool_op_get_ts_info, }; void ena_set_ethtool_ops(struct net_device *netdev) -- 2.20.1
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