[PATCH 4.16 245/272] dpaa_eth: fix pause capability advertisement logic

Greg Kroah-Hartman
2018-05-28T11:15:27Z

From: Jake Moroni <mail@jakemoroni.com>

[ Upstream commit 3021efb440d02bf5b952b6d151c7ffee9bdd49fe ]

The ADVERTISED_Asym_Pause bit was being improperly set when both
rx and tx pause were enabled. When rx and tx are both enabled, only
the ADVERTISED_Pause bit is supposed to be set.

Signed-off-by: Jake Moroni <mail@jakemoroni.com>
Acked-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
@@ -211,7 +211,7 @@ static int dpaa_set_pauseparam(struct ne
if (epause->rx_pause)
newadv = ADVERTISED_Pause | ADVERTISED_Asym_Pause;
if (epause->tx_pause)
- newadv |= ADVERTISED_Asym_Pause;
+ newadv ^= ADVERTISED_Asym_Pause;

oldadv = phydev->advertising &
(ADVERTISED_Pause | ADVERTISED_Asym_Pause);