[PATCH net-next] sfc: add transmit timestamping support
From: Izabela Bakollari <hidden>
Date: 2026-03-24 16:10:11
Also in:
lkml
Subsystem:
networking drivers, sfc network driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Edward Cree, Linus Torvalds
Enable software TX Timestamping. The out of tree driver also implements this. Signed-off-by: Izabela Bakollari <redacted> --- 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 *net_dev, { struct efx_nic *efx = efx_netdev_priv(net_dev); + ts_info->so_timestamping = 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_queue, struct sk_buff *skb if (!data_mapped && (efx_tx_map_data(tx_queue, skb, segments))) goto err; + skb_tx_timestamp(skb); + efx_tx_maybe_stop_queue(tx_queue); tx_queue->xmit_pending = true;
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2.51.0