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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: netdev@vger.kernel.org, linux-net-drivers@amd.com, linux-kernel@vger.kernel.org Subject: [PATCH net-next] sfc: add transmit timestamping support Date: Tue, 24 Mar 2026 17:08:21 +0100 Message-ID: <20260324160823.151472-1-ibakolla@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Content-Type: text/plain; charset="utf-8" Enable software TX Timestamping. The out of tree driver=20 also implements this. Signed-off-by: Izabela Bakollari Reviewed-by: Edward Cree --- drivers/net/ethernet/sfc/ethtool.c | 2 ++ drivers/net/ethernet/sfc/tx.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/net/ethernet/sfc/ethtool.c b/drivers/net/ethernet/sfc/= ethtool.c index 362388754a29..c0038b942913 100644 --- a/drivers/net/ethernet/sfc/ethtool.c +++ b/drivers/net/ethernet/sfc/ethtool.c @@ -231,6 +231,8 @@ static int efx_ethtool_get_ts_info(struct net_device *n= et_dev, { struct efx_nic *efx =3D efx_netdev_priv(net_dev); =20 + ts_info->so_timestamping =3D SOF_TIMESTAMPING_TX_SOFTWARE; + efx_ptp_get_ts_info(efx, ts_info); return 0; } diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index 4dff19b6ef17..ea0fc1000476 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -371,6 +371,8 @@ netdev_tx_t __efx_enqueue_skb(struct efx_tx_queue *tx_q= ueue, struct sk_buff *skb if (!data_mapped && (efx_tx_map_data(tx_queue, skb, segments))) goto err; =20 + skb_tx_timestamp(skb); + efx_tx_maybe_stop_queue(tx_queue); =20 tx_queue->xmit_pending =3D true; --=20 2.51.0