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Wed, 07 May 2025 20:34:03 -0700 (PDT) From: Jason Xing To: irusskikh@marvell.com, andrew+netdev@lunn.ch, bharat@chelsio.com, ayush.sawal@chelsio.com, horatiu.vultur@microchip.com, UNGLinuxDriver@microchip.com, mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, sgoutham@marvell.com, willemb@google.com Cc: linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, Jason Xing Subject: [PATCH net-next v1 4/4] net: lan966x: generate software timestamp just before the doorbell Date: Thu, 8 May 2025 11:33:28 +0800 Message-Id: <20250508033328.12507-5-kerneljasonxing@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20250508033328.12507-1-kerneljasonxing@gmail.com> References: <20250508033328.12507-1-kerneljasonxing@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Jason Xing Make sure the call of skb_tx_timestamp as close to the doorbell. Signed-off-by: Jason Xing --- drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c b/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c index 502670718104..e030f23e5145 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c @@ -730,7 +730,6 @@ int lan966x_fdma_xmit(struct sk_buff *skb, __be32 *ifh, struct net_device *dev) } } - skb_tx_timestamp(skb); skb_push(skb, IFH_LEN_BYTES); memcpy(skb->data, ifh, IFH_LEN_BYTES); skb_put(skb, 4); @@ -768,6 +767,7 @@ int lan966x_fdma_xmit(struct sk_buff *skb, __be32 *ifh, struct net_device *dev) next_dcb_buf->ptp = true; /* Start the transmission */ + skb_tx_timestamp(skb); lan966x_fdma_tx_start(tx); return NETDEV_TX_OK; -- 2.43.5