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net: ena: add missing ethtool TX timestamping indication

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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: 1738cd3ed3 ("net: ena: Add a driver for Amazon Elastic Network Adapters (ENA)")
Signed-off-by: Ezequiel Lara Gomez <ezegomez@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arthur Kiyanovski 2020-02-11 15:17:42 +00:00 committed by David S. Miller
parent 2a6e5fa2f4
commit cf6d17fde9
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/amazon/ena/ena_ethtool.c
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@ -814,6 +814,7 @@ static const struct ethtool_ops ena_ethtool_ops = {
.set_channels = ena_set_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)