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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Jake Moroni <mail@jakemoroni.com>,
        Madalin Bucur <madalin.bucur@nxp.com>,
        "David S. Miller" <davem@davemloft.net>,
        Sasha Levin <alexander.levin@microsoft.com>
Subject: [PATCH 4.14 474/496] dpaa_eth: fix pause capability advertisement logic
Date:   Mon, 28 May 2018 12:04:19 +0200
Message-Id: <20180528100339.880463103@linuxfoundation.org>
In-Reply-To: <20180528100319.498712256@linuxfoundation.org>
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4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

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);