airoha: show link rate and duplex

Implement the .get_link_ksettings to get the rate, duplex, and
auto-negotiation status.

Signed-off-by: Aleksander Jan Bajkowski <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/21530
Signed-off-by: Robert Marko <[email protected]>

target/linux/airoha/patches-6.12/611-v7.0-net-airoha-implement-get_link_ksettings.patch

@@ -0,0 +1,26 @@
+From 50e194b6da721e4fa1fc6ebcf5969803c214929a Mon Sep 17 00:00:00 2001
+From: Aleksander Jan Bajkowski <[email protected]>
+Date: Sat, 10 Jan 2026 18:02:05 +0100
+Subject: [PATCH] net: airoha: implement get_link_ksettings
+
+Implement the .get_link_ksettings to get the rate, duplex, and
+auto-negotiation status.
+
+Signed-off-by: Aleksander Jan Bajkowski <[email protected]>
+Tested-by: Lorenzo Bianconi <[email protected]>
+Link: https://patch.msgid.link/[email protected]
+Signed-off-by: Paolo Abeni <[email protected]>
+---
+ drivers/net/ethernet/airoha/airoha_eth.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/drivers/net/ethernet/airoha/airoha_eth.c
++++ b/drivers/net/ethernet/airoha/airoha_eth.c
+@@ -2844,6 +2844,7 @@ static const struct ethtool_ops airoha_e
+ 	.get_drvinfo		= airoha_ethtool_get_drvinfo,
+ 	.get_eth_mac_stats      = airoha_ethtool_get_mac_stats,
+ 	.get_rmon_stats		= airoha_ethtool_get_rmon_stats,
++	.get_link_ksettings	= phy_ethtool_get_link_ksettings,
+ 	.get_link		= ethtool_op_get_link,
+ };
+