diff --git a/Documentation/networking/bonding.txt b/Documentation/networking/bonding.txt
index d5181ce..e70fa8e 100644
--- a/Documentation/networking/bonding.txt
+++ b/Documentation/networking/bonding.txt
@@ -614,6 +614,17 @@ primary
 
 	The primary option is only valid for active-backup mode.
 
+primary_passive
+
+	Specifies the behaviour of the primary slave in case of
+	it's link recovery has been detected. By default (value 0) the
+	primary slave is set as active slave immediately after the link
+	recovery. If the value is 1 or 2 then current active slave doesn't
+	change as long as it's link status doesn't change. This prevents
+	the bonding device from flip-flopping. Plus if the value is 1 this
+	behaviour happens only if the speed and duplex of primary slave is
+	higher. It the value is 2 then it happens everytime.
+
 updelay
 
 	Specifies the time, in milliseconds, to wait before enabling a
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 699bfdd..65066c1 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -94,6 +94,7 @@ static int downdelay;
 static int use_carrier	= 1;
 static char *mode;
 static char *primary;
+static int primary_passive;
 static char *lacp_rate;
 static char *ad_select;
 static char *xmit_hash_policy;
@@ -126,6 +127,9 @@ MODULE_PARM_DESC(mode, "Mode of operation : 0 for balance-rr, "
 		       "6 for balance-alb");
 module_param(primary, charp, 0);
 MODULE_PARM_DESC(primary, "Primary network device to use");
+module_param(primary_passive, int, 0);
+MODULE_PARM_DESC(primary_passive, "Do not set primary slave active once it comes up; "
+			       "0 for off (default), 1 for on only if speed of primary is not higher, 2 for on");
 module_param(lacp_rate, charp, 0);
 MODULE_PARM_DESC(lacp_rate, "LACPDU tx rate to request from 802.3ad partner "
 			    "(slow/fast)");
@@ -1070,6 +1074,25 @@ out:
 
 }
 
+static bool bond_should_loose_active(struct bonding *bond)
+{
+	struct slave *prim = bond->primary_slave;
+	struct slave *curr = bond->curr_active_slave;
+
+	if (!prim || !curr || curr->link != BOND_LINK_UP)
+		return true;
+	if (bond->force_primary) {
+		bond->force_primary = false;
+		return true;
+	}
+	if (bond->params.primary_passive == 1 &&
+	    (prim->speed < curr->speed ||
+	     (prim->speed == curr->speed && prim->duplex <= curr->duplex)))
+		return false;
+	if (bond->params.primary_passive == 2)
+		return false;
+	return true;
+}
 
 /**
  * find_best_interface - select the best available slave to be the active one
@@ -1094,7 +1117,8 @@ static struct slave *bond_find_best_slave(struct bonding *bond)
 	}
 
 	if ((bond->primary_slave) &&
-	    bond->primary_slave->link == BOND_LINK_UP) {
+	    bond->primary_slave->link == BOND_LINK_UP &&
+	    bond_should_loose_active(bond)) {
 		new_active = bond->primary_slave;
 	}
 
@@ -1675,8 +1699,10 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
 
 	if (USES_PRIMARY(bond->params.mode) && bond->params.primary[0]) {
 		/* if there is a primary slave, remember it */
-		if (strcmp(bond->params.primary, new_slave->dev->name) == 0)
+		if (strcmp(bond->params.primary, new_slave->dev->name) == 0) {
 			bond->primary_slave = new_slave;
+			bond->force_primary = true;
+		}
 	}
 
 	write_lock_bh(&bond->curr_slave_lock);
@@ -4942,6 +4968,18 @@ static int bond_check_params(struct bond_params *params)
 		primary = NULL;
 	}
 
+	if (primary) {
+		if ((primary_passive != 0) && (primary_passive != 1) &&
+		    (primary_passive != 2)) {
+			pr_warning(DRV_NAME
+				   ": Warning: primary_passive module parameter "
+				   "(%d), not of valid value (0/1/2), so it was "
+				   "set to 0\n",
+				   primary_passive);
+			primary_passive = 0;
+		}
+	}
+
 	if (fail_over_mac) {
 		fail_over_mac_value = bond_parse_parm(fail_over_mac,
 						      fail_over_mac_tbl);
@@ -4973,6 +5011,7 @@ static int bond_check_params(struct bond_params *params)
 	params->use_carrier = use_carrier;
 	params->lacp_fast = lacp_fast;
 	params->primary[0] = 0;
+	params->primary_passive = primary_passive;
 	params->fail_over_mac = fail_over_mac_value;
 
 	if (primary) {
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 6044e12..e813d48 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -1212,6 +1212,59 @@ static DEVICE_ATTR(primary, S_IRUGO | S_IWUSR,
 		   bonding_show_primary, bonding_store_primary);
 
 /*
+ * Show and set the primary_passive flag.
+ */
+static ssize_t bonding_show_primary_passive(struct device *d,
+					    struct device_attribute *attr,
+					    char *buf)
+{
+	struct bonding *bond = to_bond(d);
+
+	return sprintf(buf, "%d\n", bond->params.primary_passive);
+}
+
+static ssize_t bonding_store_primary_passive(struct device *d,
+					     struct device_attribute *attr,
+					     const char *buf, size_t count)
+{
+	int new_value, ret = count;
+	struct bonding *bond = to_bond(d);
+
+	if (!rtnl_trylock())
+		return restart_syscall();
+
+	if (sscanf(buf, "%d", &new_value) != 1) {
+		pr_err(DRV_NAME
+		       ": %s: no primary_passive value specified.\n",
+		       bond->dev->name);
+		ret = -EINVAL;
+		goto out;
+	}
+	if (new_value == 0 || new_value == 1 || new_value == 2) {
+		bond->params.primary_passive = new_value;
+		pr_info(DRV_NAME ": %s: Setting primary_passive to %d.\n",
+		       bond->dev->name, new_value);
+		if (new_value == 0 || new_value == 1) {
+			bond->force_primary = true;
+			read_lock(&bond->lock);
+			write_lock_bh(&bond->curr_slave_lock);
+			bond_select_active_slave(bond);
+			write_unlock_bh(&bond->curr_slave_lock);
+			read_unlock(&bond->lock);
+		}
+	} else {
+		pr_info(DRV_NAME
+		       ": %s: Ignoring invalid primary_passive value %d.\n",
+		       bond->dev->name, new_value);
+	}
+out:
+	rtnl_unlock();
+	return count;
+}
+static DEVICE_ATTR(primary_passive, S_IRUGO | S_IWUSR,
+		   bonding_show_primary_passive, bonding_store_primary_passive);
+
+/*
  * Show and set the use_carrier flag.
  */
 static ssize_t bonding_show_carrier(struct device *d,
@@ -1500,6 +1553,7 @@ static struct attribute *per_bond_attrs[] = {
 	&dev_attr_num_unsol_na.attr,
 	&dev_attr_miimon.attr,
 	&dev_attr_primary.attr,
+	&dev_attr_primary_passive.attr,
 	&dev_attr_use_carrier.attr,
 	&dev_attr_active_slave.attr,
 	&dev_attr_mii_status.attr,
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 6290a50..b6287e0 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -131,6 +131,7 @@ struct bond_params {
 	int lacp_fast;
 	int ad_select;
 	char primary[IFNAMSIZ];
+	int primary_passive;
 	__be32 arp_targets[BOND_MAX_ARP_TARGETS];
 };
 
@@ -190,6 +191,7 @@ struct bonding {
 	struct   slave *curr_active_slave;
 	struct   slave *current_arp_slave;
 	struct   slave *primary_slave;
+	bool     force_primary;
 	s32      slave_cnt; /* never change this value outside the attach/detach wrappers */
 	rwlock_t lock;
 	rwlock_t curr_slave_lock;
