netdev - [PATCH net-next] bonding: add software timestamping support

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Date:   Wed, 29 Mar 2023 11:13:37 +0800
From:   Hangbin Liu <liuhangbin@...il.com>
To:     netdev@...r.kernel.org
Cc:     Jay Vosburgh <j.vosburgh@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jonathan Toppins <jtoppins@...hat.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Miroslav Lichvar <mlichvar@...hat.com>,
        Richard Cochran <richardcochran@...il.com>,
        Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCH net-next] bonding: add software timestamping support

At present, bonding attempts to obtain the timestamp (ts) information of
the active slave. However, this feature is only available for mode 1, 5,
and 6. For other modes, bonding doesn't even provide support for software
timestamping. To address this issue, let's call ethtool_op_get_ts_info
when there is no primary active slave. This will enable the use of software
timestamping for the bonding interface.

Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
 drivers/net/bonding/bond_main.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 00646aa315c3..f0856bec59f5 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -5709,9 +5709,7 @@ static int bond_ethtool_get_ts_info(struct net_device *bond_dev,
 		}
 	}
 
-	info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
-				SOF_TIMESTAMPING_SOFTWARE;
-	info->phc_index = -1;
+	ret = ethtool_op_get_ts_info(bond_dev, info);
 
 out:
 	dev_put(real_dev);
-- 
2.38.1