[PATCH] net: bcmgenet: use ethtool_op_get_ts_info()

From: Ryan M. Collins
Date: Fri Aug 30 2019 - 14:50:02 EST


This change enables the use of SW timestamping on the Raspberry Pi 4.

bcmgenet's transmit function bcmgenet_xmit() implements software
timestamping. However the SOF_TIMESTAMPING_TX_SOFTWARE capability was
missing and only SOF_TIMESTAMPING_RX_SOFTWARE was announced. By using
ethtool_ops bcmgenet_ethtool_ops() as get_ts_info(), the
SOF_TIMESTAMPING_TX_SOFTWARE capability is announced.

Similar to commit a8f5cb9e7991 ("smsc95xx: use ethtool_op_get_ts_info()")

Signed-off-by: Ryan M. Collins <rmc032@xxxxxxxxxxxx>
---
drivers/net/ethernet/broadcom/genet/bcmgenet.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 1586316eb6f1..12cb77ef1081 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1124,6 +1124,7 @@ static const struct ethtool_ops bcmgenet_ethtool_ops = {
.set_coalesce = bcmgenet_set_coalesce,
.get_link_ksettings = bcmgenet_get_link_ksettings,
.set_link_ksettings = bcmgenet_set_link_ksettings,
+ .get_ts_info = ethtool_op_get_ts_info,
};

/* Power down the unimac, based on mode. */
--
2.23.0