From: Izabela Bakollari Date: Mon, 30 Mar 2026 06:32:35 +0000 (+0200) Subject: sfc: add transmit timestamping support X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6730f184abdcf0cc9b6ee20f97c467ab497a900d;p=thirdparty%2Flinux.git sfc: add transmit timestamping support Add ethtool op to advertise TX timestamping. Insert a skb_tx_timestamp call in __efx_enqueue_skb. Signed-off-by: Izabela Bakollari Reviewed-by: Edward Cree Link: https://patch.msgid.link/20260330063236.247057-1-ibakolla@redhat.com Signed-off-by: Jakub Kicinski --- 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;