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Sat, 10 May 2025 06:48:26 -0700 (PDT) From: Jason Xing To: tariqt@nvidia.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, willemdebruijn.kernel@gmail.com, irusskikh@marvell.com, bharat@chelsio.com, ayush.sawal@chelsio.com, mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com Cc: linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, Jason Xing Subject: [PATCH net-next v2 1/3] net: atlantic: generate software timestamp just before the doorbell Date: Sat, 10 May 2025 21:48:10 +0800 Message-Id: <20250510134812.48199-2-kerneljasonxing@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20250510134812.48199-1-kerneljasonxing@gmail.com> References: <20250510134812.48199-1-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 is as close as possible to the doorbell. Signed-off-by: Jason Xing --- drivers/net/ethernet/aquantia/atlantic/aq_main.c | 1 - drivers/net/ethernet/aquantia/atlantic/aq_nic.c | 2 ++ 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_main.c b/drivers/net/ethernet/aquantia/atlantic/aq_main.c index c1d1673c5749..b565189e5913 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_main.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_main.c @@ -123,7 +123,6 @@ static netdev_tx_t aq_ndev_start_xmit(struct sk_buff *skb, struct net_device *nd } #endif - skb_tx_timestamp(skb); return aq_nic_xmit(aq_nic, skb); } diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c index bf3aa46887a1..e71cd10e4e1f 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c @@ -898,6 +898,8 @@ int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb) frags = aq_nic_map_skb(self, skb, ring); + skb_tx_timestamp(skb); + if (likely(frags)) { err = self->aq_hw_ops->hw_ring_tx_xmit(self->aq_hw, ring, frags); -- 2.43.5