The RTL8157 supports 5GBit EEE. Add functionality for setup and ethtool
get/set methods.

Signed-off-by: Birger Koblitz <mail@birger-koblitz.de>
---
 drivers/net/usb/r8152.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index f9498c39dc6ec8bf4605b17e2c81bbe180b1b2d3..427a05d166ad98622a113df994b01a96ad6b2872 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -5815,6 +5815,11 @@ static void r8156_eee_en(struct r8152 *tp, bool enable)
 	else
 		config &= ~MDIO_EEE_2_5GT;
 
+	if (enable && (tp->eee_adv2 & MDIO_EEE_5GT))
+		config |= MDIO_EEE_5GT;
+	else
+		config &= ~MDIO_EEE_5GT;
+
 	ocp_reg_write(tp, OCP_EEE_ADV2, config);
 }
 
@@ -9473,7 +9478,7 @@ static int r8152_set_eee(struct r8152 *tp, struct ethtool_keee *eee)
 
 	tp->eee_en = eee->eee_enabled;
 	tp->eee_adv = val;
-	if (tp->support_2500full) {
+	if (tp->support_2500full || tp->support_5000full) {
 		val = linkmode_to_mii_eee_cap2_t(eee->advertised);
 		tp->eee_adv2 = val;
 	}
@@ -9510,6 +9515,13 @@ static int r8153_get_eee(struct r8152 *tp, struct ethtool_keee *eee)
 			linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, common);
 	}
 
+	if (tp->support_5000full) {
+		linkmode_set_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, eee->supported);
+
+		if (speed & _5000bps)
+			linkmode_set_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, common);
+	}
+
 	eee->eee_enabled = tp->eee_en;
 
 	if (speed & _1000bps)

-- 
2.47.3