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From:   Sean Anderson <sean.anderson@seco.com>
To:     "David S . Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Madalin Bucur <madalin.bucur@nxp.com>, netdev@vger.kernel.org
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        Sean Anderson <sean.anderson@seco.com>,
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        Vladimir Oltean <olteanv@gmail.com>
Subject: [PATCH net-next v3 10/47] net: phylink: Adjust link settings based on rate adaptation
Date:   Fri, 15 Jul 2022 17:59:17 -0400
Message-Id: <20220715215954.1449214-11-sean.anderson@seco.com>
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If the phy is configured to use pause-based rate adaptation, ensure that
the link is full duplex with pause frame reception enabled. Note that these
settings may be overridden by ethtool.

Signed-off-by: Sean Anderson <sean.anderson@seco.com>
---

Changes in v3:
- New

 drivers/net/phy/phylink.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 7fa21941878e..7f65413aa778 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -1445,6 +1445,10 @@ static void phylink_phy_change(struct phy_device *phydev, bool up)
 	pl->phy_state.speed = phy_interface_speed(phydev->interface,
 						  phydev->speed);
 	pl->phy_state.duplex = phydev->duplex;
+	if (phydev->rate_adaptation == RATE_ADAPT_PAUSE) {
+		pl->phy_state.duplex = DUPLEX_FULL;
+		rx_pause = true;
+	}
 	pl->phy_state.pause = MLO_PAUSE_NONE;
 	if (tx_pause)
 		pl->phy_state.pause |= MLO_PAUSE_TX;
-- 
2.35.1.1320.gc452695387.dirty