--- zzzz-none-000/linux-4.9.279/drivers/net/bonding/bond_main.c	2021-08-08 06:38:54.000000000 +0000
+++ puma7-arm-6591-750/linux-4.9.279/drivers/net/bonding/bond_main.c	2023-02-08 10:58:13.000000000 +0000
@@ -31,6 +31,11 @@
  *
  */
 
+/*
+ * Includes Intel Corporation's changes/modifications dated: 2017, 2018.
+ * Changed/modified portions - Copyright (c) 2017-2018, Intel Corporation.
+ */
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/types.h>
@@ -381,6 +386,13 @@
 	struct ethtool_link_ksettings ecmd;
 	int res;
 
+	if (slave->man_link != -1)
+	{
+		slave->speed = slave->man_speed;
+		slave->duplex = slave->man_duplex;
+		return 0;
+	}
+
 	slave->speed = SPEED_UNKNOWN;
 	slave->duplex = DUPLEX_UNKNOWN;
 
@@ -1481,6 +1493,26 @@
 		res = -ENOMEM;
 		goto err_undo_flags;
 	}
+	
+	/* Create manual link params override sysfs */
+	new_slave->man_speed = SPEED_UNKNOWN;
+	new_slave->man_duplex = DUPLEX_UNKNOWN;
+	new_slave->man_link = -1; /* no define for unk */
+
+	sysfs_attr_init(&new_slave->man_linkprop.attr);
+	new_slave->man_linkprop.attr.name = kzalloc(strlen(slave_dev->name) + sizeof("_man_linkprop") + 1, GFP_KERNEL);
+	sprintf((char *)new_slave->man_linkprop.attr.name, "%s_man_linkprop", slave_dev->name);
+
+	new_slave->man_linkprop.attr.mode = 0644;
+	new_slave->man_linkprop.show = bonding_show_man_linkprop;
+	new_slave->man_linkprop.store = bonding_store_man_linkprop;
+
+	res = sysfs_add_file_to_group(&bond_dev->dev.kobj, &new_slave->man_linkprop.attr, bond_dev->sysfs_groups[0]->name);
+	if (res)
+	{
+		pr_debug("Error %d calling sysfs_add_file_to_group\n", res);
+		goto err_free;
+	}
 
 	/* Set the new_slave's queue_id to be zero.  Queue ID mapping
 	 * is set via sysfs or module option if desired.
@@ -1806,6 +1838,8 @@
 	dev_set_mtu(slave_dev, new_slave->original_mtu);
 
 err_free:
+	if (new_slave->man_linkprop.attr.name)
+		kfree(new_slave->man_linkprop.attr.name);
 	kobject_put(&new_slave->kobj);
 
 err_undo_flags:
@@ -1990,6 +2024,9 @@
 	if (!netif_is_bond_master(slave_dev))
 		slave_dev->priv_flags &= ~IFF_BONDING;
 
+	/* remove slave attribute from sysfs sysfs */
+	sysfs_remove_file_from_group(&bond_dev->dev.kobj, &slave->man_linkprop.attr, bond_dev->sysfs_groups[0]->name);
+	kfree(slave->man_linkprop.attr.name);
 	kobject_put(&slave->kobj);
 
 	return 0;
@@ -2062,7 +2099,13 @@
 	bond_for_each_slave_rcu(bond, slave, iter) {
 		slave->new_link = BOND_LINK_NOCHANGE;
 
-		link_state = bond_check_dev_link(bond, slave->dev, 0);
+		/* override, upcasting  */
+		if (slave->man_link != -1) {
+			link_state = slave->man_link ? BMSR_LSTATUS : 0;
+		}
+		else {
+			link_state = bond_check_dev_link(bond, slave->dev, 0);
+		}
 
 		switch (slave->link) {
 		case BOND_LINK_UP:
@@ -3064,7 +3107,7 @@
 	return NOTIFY_DONE;
 }
 
-static int bond_slave_netdev_event(unsigned long event,
+int bond_slave_netdev_event(unsigned long event,
 				   struct net_device *slave_dev)
 {
 	struct slave *slave = bond_slave_get_rtnl(slave_dev), *primary;