1 files changed, 38 insertions, 16 deletions

diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index 03e0bcade234..7bbbf1ca0887 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -82,7 +82,8 @@ static inline struct arp_pkt *arp_pkt(const struct sk_buff *skb)
 }
 
 /* Forward declaration */
-static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[]);
+static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[],
+				      bool strict_match);
 static void rlb_purge_src_ip(struct bonding *bond, struct arp_pkt *arp);
 static void rlb_src_unlink(struct bonding *bond, u32 index);
 static void rlb_src_link(struct bonding *bond, u32 ip_src_hash,
@@ -459,7 +460,7 @@ static void rlb_teach_disabled_mac_on_primary(struct bonding *bond, u8 addr[])
 
 	bond->alb_info.rlb_promisc_timeout_counter = 0;
 
-	alb_send_learning_packets(bond->curr_active_slave, addr);
+	alb_send_learning_packets(bond->curr_active_slave, addr, true);
 }
 
 /* slave being removed should not be active at this point
@@ -995,7 +996,7 @@ static void rlb_clear_vlan(struct bonding *bond, unsigned short vlan_id)
 /*********************** tlb/rlb shared functions *********************/
 
 static void alb_send_lp_vid(struct slave *slave, u8 mac_addr[],
-			    u16 vid)
+			    __be16 vlan_proto, u16 vid)
 {
 	struct learning_pkt pkt;
 	struct sk_buff *skb;
@@ -1021,7 +1022,7 @@ static void alb_send_lp_vid(struct slave *slave, u8 mac_addr[],
 	skb->dev = slave->dev;
 
 	if (vid) {
-		skb = vlan_put_tag(skb, htons(ETH_P_8021Q), vid);
+		skb = vlan_put_tag(skb, vlan_proto, vid);
 		if (!skb) {
 			pr_err("%s: Error: failed to insert VLAN tag\n",
 			       slave->bond->dev->name);
@@ -1032,22 +1033,32 @@ static void alb_send_lp_vid(struct slave *slave, u8 mac_addr[],
 	dev_queue_xmit(skb);
 }
 
-
-static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[])
+static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[],
+				      bool strict_match)
 {
 	struct bonding *bond = bond_get_bond_by_slave(slave);
 	struct net_device *upper;
 	struct list_head *iter;
 
 	/* send untagged */
-	alb_send_lp_vid(slave, mac_addr, 0);
+	alb_send_lp_vid(slave, mac_addr, 0, 0);
 
 	/* loop through vlans and send one packet for each */
 	rcu_read_lock();
 	netdev_for_each_all_upper_dev_rcu(bond->dev, upper, iter) {
-		if (upper->priv_flags & IFF_802_1Q_VLAN)
-			alb_send_lp_vid(slave, mac_addr,
-					vlan_dev_vlan_id(upper));
+		if (is_vlan_dev(upper) && vlan_get_encap_level(upper) == 0) {
+			if (strict_match &&
+			    ether_addr_equal_64bits(mac_addr,
+						    upper->dev_addr)) {
+				alb_send_lp_vid(slave, mac_addr,
+						vlan_dev_vlan_proto(upper),
+						vlan_dev_vlan_id(upper));
+			} else if (!strict_match) {
+				alb_send_lp_vid(slave, upper->dev_addr,
+						vlan_dev_vlan_proto(upper),
+						vlan_dev_vlan_id(upper));
+			}
+		}
 	}
 	rcu_read_unlock();
 }
@@ -1107,7 +1118,7 @@ static void alb_fasten_mac_swap(struct bonding *bond, struct slave *slave1,
 
 	/* fasten the change in the switch */
 	if (bond_slave_can_tx(slave1)) {
-		alb_send_learning_packets(slave1, slave1->dev->dev_addr);
+		alb_send_learning_packets(slave1, slave1->dev->dev_addr, false);
 		if (bond->alb_info.rlb_enabled) {
 			/* inform the clients that the mac address
 			 * has changed
@@ -1119,7 +1130,7 @@ static void alb_fasten_mac_swap(struct bonding *bond, struct slave *slave1,
 	}
 
 	if (bond_slave_can_tx(slave2)) {
-		alb_send_learning_packets(slave2, slave2->dev->dev_addr);
+		alb_send_learning_packets(slave2, slave2->dev->dev_addr, false);
 		if (bond->alb_info.rlb_enabled) {
 			/* inform the clients that the mac address
 			 * has changed
@@ -1536,6 +1547,8 @@ void bond_alb_monitor(struct work_struct *work)
 
 	/* send learning packets */
 	if (bond_info->lp_counter >= BOND_ALB_LP_TICKS(bond)) {
+		bool strict_match;
+
 		/* change of curr_active_slave involves swapping of mac addresses.
 		 * in order to avoid this swapping from happening while
 		 * sending the learning packets, the curr_slave_lock must be held for
@@ -1543,8 +1556,15 @@ void bond_alb_monitor(struct work_struct *work)
 		 */
 		read_lock(&bond->curr_slave_lock);
 
-		bond_for_each_slave_rcu(bond, slave, iter)
-			alb_send_learning_packets(slave, slave->dev->dev_addr);
+		bond_for_each_slave_rcu(bond, slave, iter) {
+			/* If updating current_active, use all currently
+			 * user mac addreses (!strict_match).  Otherwise, only
+			 * use mac of the slave device.
+			 */
+			strict_match = (slave != bond->curr_active_slave);
+			alb_send_learning_packets(slave, slave->dev->dev_addr,
+						  strict_match);
+		}
 
 		read_unlock(&bond->curr_slave_lock);
 
@@ -1767,7 +1787,8 @@ void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave
 	} else {
 		/* set the new_slave to the bond mac address */
 		alb_set_slave_mac_addr(new_slave, bond->dev->dev_addr);
-		alb_send_learning_packets(new_slave, bond->dev->dev_addr);
+		alb_send_learning_packets(new_slave, bond->dev->dev_addr,
+					  false);
 	}
 
 	write_lock_bh(&bond->curr_slave_lock);
@@ -1810,7 +1831,8 @@ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr)
 		alb_set_slave_mac_addr(bond->curr_active_slave, bond_dev->dev_addr);
 
 		read_lock(&bond->lock);
-		alb_send_learning_packets(bond->curr_active_slave, bond_dev->dev_addr);
+		alb_send_learning_packets(bond->curr_active_slave,
+					  bond_dev->dev_addr, false);
 		if (bond->alb_info.rlb_enabled) {
 			/* inform clients mac address has changed */
 			rlb_req_update_slave_clients(bond, bond->curr_active_slave);