From: Vladimir Oltean Date: Wed, 29 Jun 2022 18:13:35 +0000 (+0300) Subject: net: gianfar: add support for software TX timestamping X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c7e5c423cb59caddbf296717af484dcbacd76a3f;p=linux.git net: gianfar: add support for software TX timestamping These are required by certain network profiling applications in order to measure delays. Signed-off-by: Vladimir Oltean Acked-by: Richard Cochran Reviewed-by: Claudiu Manoil Link: https://lore.kernel.org/r/20220629181335.3800821-1-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 3dc9369a33f77..e7bf1524b68ee 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -1944,6 +1944,7 @@ static netdev_tx_t gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) lstatus |= BD_LFLAG(TXBD_CRC | TXBD_READY) | skb_headlen(skb); } + skb_tx_timestamp(skb); netdev_tx_sent_queue(txq, bytes_sent); gfar_wmb(); diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c index 9a2c16d69e2c1..81fb687301381 100644 --- a/drivers/net/ethernet/freescale/gianfar_ethtool.c +++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c @@ -1457,6 +1457,7 @@ static int gfar_get_ts_info(struct net_device *dev, if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)) { info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE | + SOF_TIMESTAMPING_TX_SOFTWARE | SOF_TIMESTAMPING_SOFTWARE; return 0; } @@ -1474,7 +1475,10 @@ static int gfar_get_ts_info(struct net_device *dev, info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE | SOF_TIMESTAMPING_RX_HARDWARE | - SOF_TIMESTAMPING_RAW_HARDWARE; + SOF_TIMESTAMPING_RAW_HARDWARE | + SOF_TIMESTAMPING_RX_SOFTWARE | + SOF_TIMESTAMPING_TX_SOFTWARE | + SOF_TIMESTAMPING_SOFTWARE; info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON); info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |