1 files changed, 140 insertions, 172 deletions

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 29b846cbfb48..07f257d44a1e 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -104,6 +104,7 @@ static char *xmit_hash_policy;
 static int arp_interval = BOND_LINK_ARP_INTERV;
 static char *arp_ip_target[BOND_MAX_ARP_TARGETS];
 static char *arp_validate;
+static char *arp_all_targets;
 static char *fail_over_mac;
 static int all_slaves_active = 0;
 static struct bond_params bonding_defaults;
@@ -166,6 +167,8 @@ module_param(arp_validate, charp, 0);
 MODULE_PARM_DESC(arp_validate, "validate src/dst of ARP probes; "
 			       "0 for none (default), 1 for active, "
 			       "2 for backup, 3 for all");
+module_param(arp_all_targets, charp, 0);
+MODULE_PARM_DESC(arp_all_targets, "fail on any/all arp targets timeout; 0 for any (default), 1 for all");
 module_param(fail_over_mac, charp, 0);
 MODULE_PARM_DESC(fail_over_mac, "For active-backup, do not set all slaves to "
 				"the same MAC; 0 for none (default), "
@@ -216,6 +219,12 @@ const struct bond_parm_tbl xmit_hashtype_tbl[] = {
 {	NULL,			-1},
 };
 
+const struct bond_parm_tbl arp_all_targets_tbl[] = {
+{	"any",			BOND_ARP_TARGETS_ANY},
+{	"all",			BOND_ARP_TARGETS_ALL},
+{	NULL,			-1},
+};
+
 const struct bond_parm_tbl arp_validate_tbl[] = {
 {	"none",			BOND_ARP_VALIDATE_NONE},
 {	"active",		BOND_ARP_VALIDATE_ACTIVE},
@@ -706,45 +715,6 @@ static int bond_set_allmulti(struct bonding *bond, int inc)
 	return err;
 }
 
-/*
- * Add a Multicast address to slaves
- * according to mode
- */
-static void bond_mc_add(struct bonding *bond, void *addr)
-{
-	if (USES_PRIMARY(bond->params.mode)) {
-		/* write lock already acquired */
-		if (bond->curr_active_slave)
-			dev_mc_add(bond->curr_active_slave->dev, addr);
-	} else {
-		struct slave *slave;
-		int i;
-
-		bond_for_each_slave(bond, slave, i)
-			dev_mc_add(slave->dev, addr);
-	}
-}
-
-/*
- * Remove a multicast address from slave
- * according to mode
- */
-static void bond_mc_del(struct bonding *bond, void *addr)
-{
-	if (USES_PRIMARY(bond->params.mode)) {
-		/* write lock already acquired */
-		if (bond->curr_active_slave)
-			dev_mc_del(bond->curr_active_slave->dev, addr);
-	} else {
-		struct slave *slave;
-		int i;
-		bond_for_each_slave(bond, slave, i) {
-			dev_mc_del(slave->dev, addr);
-		}
-	}
-}
-
-
 static void __bond_resend_igmp_join_requests(struct net_device *dev)
 {
 	struct in_device *in_dev;
@@ -764,8 +734,8 @@ static void bond_resend_igmp_join_requests(struct bonding *bond)
 	struct net_device *bond_dev, *vlan_dev, *upper_dev;
 	struct vlan_entry *vlan;
 
-	rcu_read_lock();
 	read_lock(&bond->lock);
+	rcu_read_lock();
 
 	bond_dev = bond->dev;
 
@@ -787,12 +757,19 @@ static void bond_resend_igmp_join_requests(struct bonding *bond)
 		if (vlan_dev)
 			__bond_resend_igmp_join_requests(vlan_dev);
 	}
+	rcu_read_unlock();
 
-	if (--bond->igmp_retrans > 0)
+	/* We use curr_slave_lock to protect against concurrent access to
+	 * igmp_retrans from multiple running instances of this function and
+	 * bond_change_active_slave
+	 */
+	write_lock_bh(&bond->curr_slave_lock);
+	if (bond->igmp_retrans > 1) {
+		bond->igmp_retrans--;
 		queue_delayed_work(bond->wq, &bond->mcast_work, HZ/5);
-
+	}
+	write_unlock_bh(&bond->curr_slave_lock);
 	read_unlock(&bond->lock);
-	rcu_read_unlock();
 }
 
 static void bond_resend_igmp_join_requests_delayed(struct work_struct *work)
@@ -803,17 +780,15 @@ static void bond_resend_igmp_join_requests_delayed(struct work_struct *work)
 	bond_resend_igmp_join_requests(bond);
 }
 
-/*
- * flush all members of flush->mc_list from device dev->mc_list
+/* Flush bond's hardware addresses from slave
  */
-static void bond_mc_list_flush(struct net_device *bond_dev,
+static void bond_hw_addr_flush(struct net_device *bond_dev,
 			       struct net_device *slave_dev)
 {
 	struct bonding *bond = netdev_priv(bond_dev);
-	struct netdev_hw_addr *ha;
 
-	netdev_for_each_mc_addr(ha, bond_dev)
-		dev_mc_del(slave_dev, ha->addr);
+	dev_uc_unsync(slave_dev, bond_dev);
+	dev_mc_unsync(slave_dev, bond_dev);
 
 	if (bond->params.mode == BOND_MODE_8023AD) {
 		/* del lacpdu mc addr from mc list */
@@ -825,22 +800,14 @@ static void bond_mc_list_flush(struct net_device *bond_dev,
 
 /*--------------------------- Active slave change ---------------------------*/
 
-/*
- * Update the mc list and multicast-related flags for the new and
- * old active slaves (if any) according to the multicast mode, and
- * promiscuous flags unconditionally.
+/* Update the hardware address list and promisc/allmulti for the new and
+ * old active slaves (if any).  Modes that are !USES_PRIMARY keep all
+ * slaves up date at all times; only the USES_PRIMARY modes need to call
+ * this function to swap these settings during a failover.
  */
-static void bond_mc_swap(struct bonding *bond, struct slave *new_active,
-			 struct slave *old_active)
+static void bond_hw_addr_swap(struct bonding *bond, struct slave *new_active,
+			      struct slave *old_active)
 {
-	struct netdev_hw_addr *ha;
-
-	if (!USES_PRIMARY(bond->params.mode))
-		/* nothing to do -  mc list is already up-to-date on
-		 * all slaves
-		 */
-		return;
-
 	if (old_active) {
 		if (bond->dev->flags & IFF_PROMISC)
 			dev_set_promiscuity(old_active->dev, -1);
@@ -848,10 +815,7 @@ static void bond_mc_swap(struct bonding *bond, struct slave *new_active,
 		if (bond->dev->flags & IFF_ALLMULTI)
 			dev_set_allmulti(old_active->dev, -1);
 
-		netif_addr_lock_bh(bond->dev);
-		netdev_for_each_mc_addr(ha, bond->dev)
-			dev_mc_del(old_active->dev, ha->addr);
-		netif_addr_unlock_bh(bond->dev);
+		bond_hw_addr_flush(bond->dev, old_active->dev);
 	}
 
 	if (new_active) {
@@ -863,12 +827,29 @@ static void bond_mc_swap(struct bonding *bond, struct slave *new_active,
 			dev_set_allmulti(new_active->dev, 1);
 
 		netif_addr_lock_bh(bond->dev);
-		netdev_for_each_mc_addr(ha, bond->dev)
-			dev_mc_add(new_active->dev, ha->addr);
+		dev_uc_sync(new_active->dev, bond->dev);
+		dev_mc_sync(new_active->dev, bond->dev);
 		netif_addr_unlock_bh(bond->dev);
 	}
 }
 
+/**
+ * bond_set_dev_addr - clone slave's address to bond
+ * @bond_dev: bond net device
+ * @slave_dev: slave net device
+ *
+ * Should be called with RTNL held.
+ */
+static void bond_set_dev_addr(struct net_device *bond_dev,
+			      struct net_device *slave_dev)
+{
+	pr_debug("bond_dev=%p slave_dev=%p slave_dev->addr_len=%d\n",
+		 bond_dev, slave_dev, slave_dev->addr_len);
+	memcpy(bond_dev->dev_addr, slave_dev->dev_addr, slave_dev->addr_len);
+	bond_dev->addr_assign_type = NET_ADDR_STOLEN;
+	call_netdevice_notifiers(NETDEV_CHANGEADDR, bond_dev);
+}
+
 /*
  * bond_do_fail_over_mac
  *
@@ -891,11 +872,9 @@ static void bond_do_fail_over_mac(struct bonding *bond,
 	switch (bond->params.fail_over_mac) {
 	case BOND_FOM_ACTIVE:
 		if (new_active) {
-			memcpy(bond->dev->dev_addr,  new_active->dev->dev_addr,
-			       new_active->dev->addr_len);
 			write_unlock_bh(&bond->curr_slave_lock);
 			read_unlock(&bond->lock);
-			call_netdevice_notifiers(NETDEV_CHANGEADDR, bond->dev);
+			bond_set_dev_addr(bond->dev, new_active->dev);
 			read_lock(&bond->lock);
 			write_lock_bh(&bond->curr_slave_lock);
 		}
@@ -1083,7 +1062,7 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active)
 	}
 
 	if (USES_PRIMARY(bond->params.mode))
-		bond_mc_swap(bond, new_active, old_active);
+		bond_hw_addr_swap(bond, new_active, old_active);
 
 	if (bond_is_lb(bond)) {
 		bond_alb_handle_active_change(bond, new_active);
@@ -1326,17 +1305,6 @@ static void bond_netpoll_cleanup(struct net_device *bond_dev)
 
 /*---------------------------------- IOCTL ----------------------------------*/
 
-static void bond_set_dev_addr(struct net_device *bond_dev,
-			      struct net_device *slave_dev)
-{
-	pr_debug("bond_dev=%p\n", bond_dev);
-	pr_debug("slave_dev=%p\n", slave_dev);
-	pr_debug("slave_dev->addr_len=%d\n", slave_dev->addr_len);
-	memcpy(bond_dev->dev_addr, slave_dev->dev_addr, slave_dev->addr_len);
-	bond_dev->addr_assign_type = NET_ADDR_SET;
-	call_netdevice_notifiers(NETDEV_CHANGEADDR, bond_dev);
-}
-
 static netdev_features_t bond_fix_features(struct net_device *dev,
 	netdev_features_t features)
 {
@@ -1418,8 +1386,6 @@ done:
 static void bond_setup_by_slave(struct net_device *bond_dev,
 				struct net_device *slave_dev)
 {
-	struct bonding *bond = netdev_priv(bond_dev);
-
 	bond_dev->header_ops	    = slave_dev->header_ops;
 
 	bond_dev->type		    = slave_dev->type;
@@ -1428,7 +1394,6 @@ static void bond_setup_by_slave(struct net_device *bond_dev,
 
 	memcpy(bond_dev->broadcast, slave_dev->broadcast,
 		slave_dev->addr_len);
-	bond->setup_by_slave = 1;
 }
 
 /* On bonding slaves other than the currently active slave, suppress
@@ -1526,10 +1491,9 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
 	struct bonding *bond = netdev_priv(bond_dev);
 	const struct net_device_ops *slave_ops = slave_dev->netdev_ops;
 	struct slave *new_slave = NULL;
-	struct netdev_hw_addr *ha;
 	struct sockaddr addr;
 	int link_reporting;
-	int res = 0;
+	int res = 0, i;
 
 	if (!bond->params.use_carrier &&
 	    slave_dev->ethtool_ops->get_link == NULL &&
@@ -1636,7 +1600,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
 
 	/* If this is the first slave, then we need to set the master's hardware
 	 * address to be the same as the slave's. */
-	if (bond->slave_cnt == 0 && bond->dev_addr_from_first)
+	if (!bond->slave_cnt && bond->dev->addr_assign_type == NET_ADDR_RANDOM)
 		bond_set_dev_addr(bond->dev, slave_dev);
 
 	new_slave = kzalloc(sizeof(struct slave), GFP_KERNEL);
@@ -1706,10 +1670,8 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
 			goto err_close;
 	}
 
-	/* If the mode USES_PRIMARY, then the new slave gets the
-	 * master's promisc (and mc) settings only if it becomes the
-	 * curr_active_slave, and that is taken care of later when calling
-	 * bond_change_active()
+	/* If the mode USES_PRIMARY, then the following is handled by
+	 * bond_change_active_slave().
 	 */
 	if (!USES_PRIMARY(bond->params.mode)) {
 		/* set promiscuity level to new slave */
@@ -1727,9 +1689,10 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
 		}
 
 		netif_addr_lock_bh(bond_dev);
-		/* upload master's mc_list to new slave */
-		netdev_for_each_mc_addr(ha, bond_dev)
-			dev_mc_add(slave_dev, ha->addr);
+
+		dev_mc_sync_multiple(slave_dev, bond_dev);
+		dev_uc_sync_multiple(slave_dev, bond_dev);
+
 		netif_addr_unlock_bh(bond_dev);
 	}
 
@@ -1759,6 +1722,8 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
 
 	new_slave->last_arp_rx = jiffies -
 		(msecs_to_jiffies(bond->params.arp_interval) + 1);
+	for (i = 0; i < BOND_MAX_ARP_TARGETS; i++)
+		new_slave->target_last_arp_rx[i] = new_slave->last_arp_rx;
 
 	if (bond->params.miimon && !bond->params.use_carrier) {
 		link_reporting = bond_check_dev_link(bond, slave_dev, 1);
@@ -1908,11 +1873,9 @@ err_dest_symlinks:
 	bond_destroy_slave_symlinks(bond_dev, slave_dev);
 
 err_detach:
-	if (!USES_PRIMARY(bond->params.mode)) {
-		netif_addr_lock_bh(bond_dev);
-		bond_mc_list_flush(bond_dev, slave_dev);
-		netif_addr_unlock_bh(bond_dev);
-	}
+	if (!USES_PRIMARY(bond->params.mode))
+		bond_hw_addr_flush(bond_dev, slave_dev);
+
 	bond_del_vlans_from_slave(bond, slave_dev);
 	write_lock_bh(&bond->lock);
 	bond_detach_slave(bond, new_slave);
@@ -1957,6 +1920,10 @@ err_free:
 
 err_undo_flags:
 	bond_compute_features(bond);
+	/* Enslave of first slave has failed and we need to fix master's mac */
+	if (bond->slave_cnt == 0 &&
+	    ether_addr_equal(bond_dev->dev_addr, slave_dev->dev_addr))
+		eth_hw_addr_random(bond_dev);
 
 	return res;
 }
@@ -2078,7 +2045,6 @@ static int __bond_release_one(struct net_device *bond_dev,
 	if (bond->slave_cnt == 0) {
 		bond_set_carrier(bond);
 		eth_hw_addr_random(bond_dev);
-		bond->dev_addr_from_first = true;
 
 		if (bond_vlan_used(bond)) {
 			pr_warning("%s: Warning: clearing HW address of %s while it still has VLANs.\n",
@@ -2107,9 +2073,8 @@ static int __bond_release_one(struct net_device *bond_dev,
 
 	bond_del_vlans_from_slave(bond, slave_dev);
 
-	/* If the mode USES_PRIMARY, then we should only remove its
-	 * promisc and mc settings if it was the curr_active_slave, but that was
-	 * already taken care of above when we detached the slave
+	/* If the mode USES_PRIMARY, then this cases was handled above by
+	 * bond_change_active_slave(..., NULL)
 	 */
 	if (!USES_PRIMARY(bond->params.mode)) {
 		/* unset promiscuity level from slave */
@@ -2120,10 +2085,7 @@ static int __bond_release_one(struct net_device *bond_dev,
 		if (bond_dev->flags & IFF_ALLMULTI)
 			dev_set_allmulti(slave_dev, -1);
 
-		/* flush master's mc_list from slave */
-		netif_addr_lock_bh(bond_dev);
-		bond_mc_list_flush(bond_dev, slave_dev);
-		netif_addr_unlock_bh(bond_dev);
+		bond_hw_addr_flush(bond_dev, slave_dev);
 	}
 
 	bond_upper_dev_unlink(bond_dev, slave_dev);
@@ -2402,7 +2364,8 @@ static void bond_miimon_commit(struct bonding *bond)
 
 			pr_info("%s: link status definitely up for interface %s, %u Mbps %s duplex.\n",
 				bond->dev->name, slave->dev->name,
-				slave->speed, slave->duplex ? "full" : "half");
+				slave->speed == SPEED_UNKNOWN ? 0 : slave->speed,
+				slave->duplex ? "full" : "half");
 
 			/* notify ad that the link status has changed */
 			if (bond->params.mode == BOND_MODE_8023AD)
@@ -2660,18 +2623,19 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
 static void bond_validate_arp(struct bonding *bond, struct slave *slave, __be32 sip, __be32 tip)
 {
 	int i;
-	__be32 *targets = bond->params.arp_targets;
 
-	for (i = 0; (i < BOND_MAX_ARP_TARGETS) && targets[i]; i++) {
-		pr_debug("bva: sip %pI4 tip %pI4 t[%d] %pI4 bhti(tip) %d\n",
-			 &sip, &tip, i, &targets[i],
-			 bond_has_this_ip(bond, tip));
-		if (sip == targets[i]) {
-			if (bond_has_this_ip(bond, tip))
-				slave->last_arp_rx = jiffies;
-			return;
-		}
+	if (!sip || !bond_has_this_ip(bond, tip)) {
+		pr_debug("bva: sip %pI4 tip %pI4 not found\n", &sip, &tip);
+		return;
+	}
+
+	i = bond_get_targets_ip(bond->params.arp_targets, sip);
+	if (i == -1) {
+		pr_debug("bva: sip %pI4 not found in targets\n", &sip);
+		return;
 	}
+	slave->last_arp_rx = jiffies;
+	slave->target_last_arp_rx[i] = jiffies;
 }
 
 static int bond_arp_rcv(const struct sk_buff *skb, struct bonding *bond,
@@ -2686,6 +2650,10 @@ static int bond_arp_rcv(const struct sk_buff *skb, struct bonding *bond,
 		return RX_HANDLER_ANOTHER;
 
 	read_lock(&bond->lock);
+
+	if (!slave_do_arp_validate(bond, slave))
+		goto out_unlock;
+
 	alen = arp_hdr_len(bond->dev);
 
 	pr_debug("bond_arp_rcv: bond %s skb->dev %s\n",
@@ -2725,10 +2693,17 @@ static int bond_arp_rcv(const struct sk_buff *skb, struct bonding *bond,
 	 * configuration, the ARP probe will (hopefully) travel from
 	 * the active, through one switch, the router, then the other
 	 * switch before reaching the backup.
+	 *
+	 * We 'trust' the arp requests if there is an active slave and
+	 * it received valid arp reply(s) after it became active. This
+	 * is done to avoid endless looping when we can't reach the
+	 * arp_ip_target and fool ourselves with our own arp requests.
 	 */
 	if (bond_is_active_slave(slave))
 		bond_validate_arp(bond, slave, sip, tip);
-	else
+	else if (bond->curr_active_slave &&
+		 time_after(slave_last_rx(bond, bond->curr_active_slave),
+			    bond->curr_active_slave->jiffies))
 		bond_validate_arp(bond, slave, tip, sip);
 
 out_unlock:
@@ -3213,7 +3188,7 @@ static int bond_slave_netdev_event(unsigned long event,
 
 	switch (event) {
 	case NETDEV_UNREGISTER:
-		if (bond->setup_by_slave)
+		if (bond_dev->type != ARPHRD_ETHER)
 			bond_release_and_destroy(bond_dev, slave_dev);
 		else
 			bond_release(bond_dev, slave_dev);
@@ -3277,7 +3252,7 @@ static int bond_slave_netdev_event(unsigned long event,
 static int bond_netdev_event(struct notifier_block *this,
 			     unsigned long event, void *ptr)
 {
-	struct net_device *event_dev = (struct net_device *)ptr;
+	struct net_device *event_dev = netdev_notifier_info_to_dev(ptr);
 
 	pr_debug("event_dev: %s, event: %lx\n",
 		 event_dev ? event_dev->name : "None",
@@ -3660,19 +3635,6 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd
 	return res;
 }
 
-static bool bond_addr_in_mc_list(unsigned char *addr,
-				 struct netdev_hw_addr_list *list,
-				 int addrlen)
-{
-	struct netdev_hw_addr *ha;
-
-	netdev_hw_addr_list_for_each(ha, list)
-		if (!memcmp(ha->addr, addr, addrlen))
-			return true;
-
-	return false;
-}
-
 static void bond_change_rx_flags(struct net_device *bond_dev, int change)
 {
 	struct bonding *bond = netdev_priv(bond_dev);
@@ -3686,35 +3648,29 @@ static void bond_change_rx_flags(struct net_device *bond_dev, int change)
 				  bond_dev->flags & IFF_ALLMULTI ? 1 : -1);
 }
 
-static void bond_set_multicast_list(struct net_device *bond_dev)
+static void bond_set_rx_mode(struct net_device *bond_dev)
 {
 	struct bonding *bond = netdev_priv(bond_dev);
-	struct netdev_hw_addr *ha;
-	bool found;
+	struct slave *slave;
+	int i;
 
 	read_lock(&bond->lock);
 
-	/* looking for addresses to add to slaves' mc list */
-	netdev_for_each_mc_addr(ha, bond_dev) {
-		found = bond_addr_in_mc_list(ha->addr, &bond->mc_list,
-					     bond_dev->addr_len);
-		if (!found)
-			bond_mc_add(bond, ha->addr);
-	}
-
-	/* looking for addresses to delete from slaves' list */
-	netdev_hw_addr_list_for_each(ha, &bond->mc_list) {
-		found = bond_addr_in_mc_list(ha->addr, &bond_dev->mc,
-					     bond_dev->addr_len);
-		if (!found)
-			bond_mc_del(bond, ha->addr);
+	if (USES_PRIMARY(bond->params.mode)) {
+		read_lock(&bond->curr_slave_lock);
+		slave = bond->curr_active_slave;
+		if (slave) {
+			dev_uc_sync(slave->dev, bond_dev);
+			dev_mc_sync(slave->dev, bond_dev);
+		}
+		read_unlock(&bond->curr_slave_lock);
+	} else {
+		bond_for_each_slave(bond, slave, i) {
+			dev_uc_sync_multiple(slave->dev, bond_dev);
+			dev_mc_sync_multiple(slave->dev, bond_dev);
+		}
 	}
 
-	/* save master's multicast list */
-	__hw_addr_flush(&bond->mc_list);
-	__hw_addr_add_multiple(&bond->mc_list, &bond_dev->mc,
-			       bond_dev->addr_len, NETDEV_HW_ADDR_T_MULTICAST);
-
 	read_unlock(&bond->lock);
 }
 
@@ -3859,11 +3815,10 @@ static int bond_set_mac_address(struct net_device *bond_dev, void *addr)
 	pr_debug("bond=%p, name=%s\n",
 		 bond, bond_dev ? bond_dev->name : "None");
 
-	/*
-	 * If fail_over_mac is set to active, do nothing and return
-	 * success.  Returning an error causes ifenslave to fail.
+	/* If fail_over_mac is enabled, do nothing and return success.
+	 * Returning an error causes ifenslave to fail.
 	 */
-	if (bond->params.fail_over_mac == BOND_FOM_ACTIVE)
+	if (bond->params.fail_over_mac)
 		return 0;
 
 	if (!is_valid_ether_addr(sa->sa_data))
@@ -4321,7 +4276,7 @@ static const struct net_device_ops bond_netdev_ops = {
 	.ndo_get_stats64	= bond_get_stats,
 	.ndo_do_ioctl		= bond_do_ioctl,
 	.ndo_change_rx_flags	= bond_change_rx_flags,
-	.ndo_set_rx_mode	= bond_set_multicast_list,
+	.ndo_set_rx_mode	= bond_set_rx_mode,
 	.ndo_change_mtu		= bond_change_mtu,
 	.ndo_set_mac_address	= bond_set_mac_address,
 	.ndo_neigh_setup	= bond_neigh_setup,
@@ -4426,8 +4381,6 @@ static void bond_uninit(struct net_device *bond_dev)
 
 	bond_debug_unregister(bond);
 
-	__hw_addr_flush(&bond->mc_list);
-
 	list_for_each_entry_safe(vlan, tmp, &bond->vlan_list, vlan_list) {
 		list_del(&vlan->vlan_list);
 		kfree(vlan);
@@ -4472,6 +4425,7 @@ int bond_parse_parm(const char *buf, const struct bond_parm_tbl *tbl)
 static int bond_check_params(struct bond_params *params)
 {
 	int arp_validate_value, fail_over_mac_value, primary_reselect_value, i;
+	int arp_all_targets_value;
 
 	/*
 	 * Convert string parameters.
@@ -4662,7 +4616,11 @@ static int bond_check_params(struct bond_params *params)
 				   arp_ip_target[i]);
 			arp_interval = 0;
 		} else {
-			arp_target[arp_ip_count++] = ip;
+			if (bond_get_targets_ip(arp_target, ip) == -1)
+				arp_target[arp_ip_count++] = ip;
+			else
+				pr_warning("Warning: duplicate address %pI4 in arp_ip_target, skipping\n",
+					   &ip);
 		}
 	}
 
@@ -4693,6 +4651,18 @@ static int bond_check_params(struct bond_params *params)
 	} else
 		arp_validate_value = 0;
 
+	arp_all_targets_value = 0;
+	if (arp_all_targets) {
+		arp_all_targets_value = bond_parse_parm(arp_all_targets,
+							arp_all_targets_tbl);
+
+		if (arp_all_targets_value == -1) {
+			pr_err("Error: invalid arp_all_targets_value \"%s\"\n",
+			       arp_all_targets);
+			arp_all_targets_value = 0;
+		}
+	}
+
 	if (miimon) {
 		pr_info("MII link monitoring set to %d ms\n", miimon);
 	} else if (arp_interval) {
@@ -4757,6 +4727,7 @@ static int bond_check_params(struct bond_params *params)
 	params->num_peer_notif = num_peer_notif;
 	params->arp_interval = arp_interval;
 	params->arp_validate = arp_validate_value;
+	params->arp_all_targets = arp_all_targets_value;
 	params->updelay = updelay;
 	params->downdelay = downdelay;
 	params->use_carrier = use_carrier;
@@ -4833,12 +4804,9 @@ static int bond_init(struct net_device *bond_dev)
 
 	/* Ensure valid dev_addr */
 	if (is_zero_ether_addr(bond_dev->dev_addr) &&
-	    bond_dev->addr_assign_type == NET_ADDR_PERM) {
+	    bond_dev->addr_assign_type == NET_ADDR_PERM)
 		eth_hw_addr_random(bond_dev);
-		bond->dev_addr_from_first = true;
-	}
 
-	__hw_addr_init(&bond->mc_list);
 	return 0;
 }
 
@@ -4911,7 +4879,7 @@ static int __net_init bond_net_init(struct net *net)
 
 	bond_create_proc_dir(bn);
 	bond_create_sysfs(bn);
-	
+
 	return 0;
 }