[PATCH 4.19 043/170] net/mlx5e: Remove the false indication of software timestamping support

From: Greg Kroah-Hartman
Date: Mon Jan 07 2019 - 07:48:07 EST


4.19-stable review patch. If anyone has any objections, please let me know.

------------------

From: Alaa Hleihel <alaa@xxxxxxxxxxxx>

[ Upstream commit 4765420439e758bfa4808392d18b0a4cb6f06065 ]

mlx5 driver falsely advertises support of software timestamping.
Fix it by removing the false indication.

Fixes: ef9814deafd0 ("net/mlx5e: Add HW timestamping (TS) support")
Signed-off-by: Alaa Hleihel <alaa@xxxxxxxxxxxx>
Reviewed-by: Tariq Toukan <tariqt@xxxxxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -1101,11 +1101,6 @@ int mlx5e_ethtool_get_ts_info(struct mlx
struct ethtool_ts_info *info)
{
struct mlx5_core_dev *mdev = priv->mdev;
- int ret;
-
- ret = ethtool_op_get_ts_info(priv->netdev, info);
- if (ret)
- return ret;

info->phc_index = mlx5_clock_get_ptp_index(mdev);

@@ -1113,9 +1108,9 @@ int mlx5e_ethtool_get_ts_info(struct mlx
info->phc_index == -1)
return 0;

- info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE |
- SOF_TIMESTAMPING_RX_HARDWARE |
- SOF_TIMESTAMPING_RAW_HARDWARE;
+ info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
+ SOF_TIMESTAMPING_RX_HARDWARE |
+ SOF_TIMESTAMPING_RAW_HARDWARE;

info->tx_types = BIT(HWTSTAMP_TX_OFF) |
BIT(HWTSTAMP_TX_ON);