netdev - [PATCH net-next] net: mlx4: add SOF_TIMESTAMPING_TX

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Message-Id: <20250510093442.79711-1-kerneljasonxing@gmail.com>
Date: Sat, 10 May 2025 17:34:42 +0800
From: Jason Xing <kerneljasonxing@...il.com>
To: tariqt@...dia.com,
	andrew+netdev@...n.ch,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	willemdebruijn.kernel@...il.com
Cc: netdev@...r.kernel.org,
	Jason Xing <kernelxing@...cent.com>
Subject: [PATCH net-next] net: mlx4: add SOF_TIMESTAMPING_TX_SOFTWARE flag when getting ts info

From: Jason Xing <kernelxing@...cent.com>

As mlx4 has implemented skb_tx_timestamp() in mlx4_en_xmit(), the
SOFTWARE flag is surely needed when users are trying to get timestamp
information.

Signed-off-by: Jason Xing <kernelxing@...cent.com>
---
 drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index cd17a3f4faf8..a68cd3f0304c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -1897,6 +1897,7 @@ static int mlx4_en_get_ts_info(struct net_device *dev,
 	if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) {
 		info->so_timestamping |=
 			SOF_TIMESTAMPING_TX_HARDWARE |
+			SOF_TIMESTAMPING_TX_SOFTWARE |
 			SOF_TIMESTAMPING_RX_HARDWARE |
 			SOF_TIMESTAMPING_RAW_HARDWARE;
 
-- 
2.43.5