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Message-Id: <E1u3LtP-000COv-Ut@rmk-PC.armlinux.org.uk> Date: Fri, 11 Apr 2025 22:26:31 +0100 From: Russell King <rmk+kernel@...linux.org.uk> To: Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com> Cc: Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Kory Maincent <kory.maincent@...tlin.com>, Marcin Wojtas <marcin.s.wojtas@...il.com>, netdev@...r.kernel.org, Paolo Abeni <pabeni@...hat.com> Subject: [PATCH RFC net-next 1/5] net: mvpp2: add support for hardware timestamps Add support for hardware timestamps in (e.g.) the PHY by calling skb_tx_timestamp() as close as reasonably possible to the point that the hardware is instructed to send the queued packets. Signed-off-by: Russell King <rmk+kernel@...linux.org.uk> --- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 416a926a8281..e3f8aa139d1e 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -4439,6 +4439,8 @@ static netdev_tx_t mvpp2_tx(struct sk_buff *skb, struct net_device *dev) txq_pcpu->count += frags; aggr_txq->count += frags; + skb_tx_timestamp(skb); + /* Enable transmit */ wmb(); mvpp2_aggr_txq_pend_desc_add(port, frags); -- 2.30.2
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