1 files changed, 66 insertions, 20 deletions

diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 86ccfb9f71cc..b8bdd0acc8f3 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -188,14 +188,16 @@ struct slave {
 	struct net_device *dev; /* first - useful for panic debug */
 	struct bonding *bond; /* our master */
 	int    delay;
-	unsigned long jiffies;
-	unsigned long last_arp_rx;
+	/* all three in jiffies */
+	unsigned long last_link_up;
+	unsigned long last_rx;
 	unsigned long target_last_arp_rx[BOND_MAX_ARP_TARGETS];
 	s8     link;    /* one of BOND_LINK_XXXX */
 	s8     new_link;
 	u8     backup:1,   /* indicates backup slave. Value corresponds with
 			      BOND_STATE_ACTIVE and BOND_STATE_BACKUP */
-	       inactive:1; /* indicates inactive slave */
+	       inactive:1, /* indicates inactive slave */
+	       should_notify:1; /* indicateds whether the state changed */
 	u8     duplex;
 	u32    original_mtu;
 	u32    link_failure_count;
@@ -264,6 +266,11 @@ struct bonding {
 #define bond_slave_get_rtnl(dev) \
 	((struct slave *) rtnl_dereference(dev->rx_handler_data))
 
+struct bond_vlan_tag {
+	__be16		vlan_proto;
+	unsigned short	vlan_id;
+};
+
 /**
  * Returns NULL if the net_device does not belong to any of the bond's slaves
  *
@@ -291,7 +298,7 @@ static inline void bond_set_active_slave(struct slave *slave)
 {
 	if (slave->backup) {
 		slave->backup = 0;
-		rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_KERNEL);
+		rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_ATOMIC);
 	}
 }
 
@@ -299,7 +306,25 @@ static inline void bond_set_backup_slave(struct slave *slave)
 {
 	if (!slave->backup) {
 		slave->backup = 1;
-		rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_KERNEL);
+		rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_ATOMIC);
+	}
+}
+
+static inline void bond_set_slave_state(struct slave *slave,
+					int slave_state, bool notify)
+{
+	if (slave->backup == slave_state)
+		return;
+
+	slave->backup = slave_state;
+	if (notify) {
+		rtmsg_ifinfo(RTM_NEWLINK, slave->dev, 0, GFP_ATOMIC);
+		slave->should_notify = 0;
+	} else {
+		if (slave->should_notify)
+			slave->should_notify = 0;
+		else
+			slave->should_notify = 1;
 	}
 }
 
@@ -316,6 +341,19 @@ static inline void bond_slave_state_change(struct bonding *bond)
 	}
 }
 
+static inline void bond_slave_state_notify(struct bonding *bond)
+{
+	struct list_head *iter;
+	struct slave *tmp;
+
+	bond_for_each_slave(bond, tmp, iter) {
+		if (tmp->should_notify) {
+			rtmsg_ifinfo(RTM_NEWLINK, tmp->dev, 0, GFP_ATOMIC);
+			tmp->should_notify = 0;
+		}
+	}
+}
+
 static inline int bond_slave_state(struct slave *slave)
 {
 	return slave->backup;
@@ -342,6 +380,14 @@ static inline bool bond_is_active_slave(struct slave *slave)
 #define BOND_ARP_VALIDATE_BACKUP	(1 << BOND_STATE_BACKUP)
 #define BOND_ARP_VALIDATE_ALL		(BOND_ARP_VALIDATE_ACTIVE | \
 					 BOND_ARP_VALIDATE_BACKUP)
+#define BOND_ARP_FILTER			(BOND_ARP_VALIDATE_ALL + 1)
+#define BOND_ARP_FILTER_ACTIVE		(BOND_ARP_VALIDATE_ACTIVE | \
+					 BOND_ARP_FILTER)
+#define BOND_ARP_FILTER_BACKUP		(BOND_ARP_VALIDATE_BACKUP | \
+					 BOND_ARP_FILTER)
+
+#define BOND_SLAVE_NOTIFY_NOW		true
+#define BOND_SLAVE_NOTIFY_LATER		false
 
 static inline int slave_do_arp_validate(struct bonding *bond,
 					struct slave *slave)
@@ -349,6 +395,12 @@ static inline int slave_do_arp_validate(struct bonding *bond,
 	return bond->params.arp_validate & (1 << bond_slave_state(slave));
 }
 
+static inline int slave_do_arp_validate_only(struct bonding *bond,
+					     struct slave *slave)
+{
+	return bond->params.arp_validate & BOND_ARP_FILTER;
+}
+
 /* Get the oldest arp which we've received on this slave for bond's
  * arp_targets.
  */
@@ -368,14 +420,10 @@ static inline unsigned long slave_oldest_target_arp_rx(struct bonding *bond,
 static inline unsigned long slave_last_rx(struct bonding *bond,
 					struct slave *slave)
 {
-	if (slave_do_arp_validate(bond, slave)) {
-		if (bond->params.arp_all_targets == BOND_ARP_TARGETS_ALL)
-			return slave_oldest_target_arp_rx(bond, slave);
-		else
-			return slave->last_arp_rx;
-	}
+	if (bond->params.arp_all_targets == BOND_ARP_TARGETS_ALL)
+		return slave_oldest_target_arp_rx(bond, slave);
 
-	return slave->dev->last_rx;
+	return slave->last_rx;
 }
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
@@ -394,17 +442,19 @@ static inline void bond_netpoll_send_skb(const struct slave *slave,
 }
 #endif
 
-static inline void bond_set_slave_inactive_flags(struct slave *slave)
+static inline void bond_set_slave_inactive_flags(struct slave *slave,
+						 bool notify)
 {
 	if (!bond_is_lb(slave->bond))
-		bond_set_backup_slave(slave);
+		bond_set_slave_state(slave, BOND_STATE_BACKUP, notify);
 	if (!slave->bond->params.all_slaves_active)
 		slave->inactive = 1;
 }
 
-static inline void bond_set_slave_active_flags(struct slave *slave)
+static inline void bond_set_slave_active_flags(struct slave *slave,
+					       bool notify)
 {
-	bond_set_active_slave(slave);
+	bond_set_slave_state(slave, BOND_STATE_ACTIVE, notify);
 	slave->inactive = 0;
 }
 
@@ -450,8 +500,6 @@ void bond_sysfs_slave_del(struct slave *slave);
 int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev);
 int bond_release(struct net_device *bond_dev, struct net_device *slave_dev);
 int bond_xmit_hash(struct bonding *bond, struct sk_buff *skb, int count);
-int bond_parse_parm(const char *mode_arg, const struct bond_parm_tbl *tbl);
-int bond_parm_tbl_lookup(int mode, const struct bond_parm_tbl *tbl);
 void bond_select_active_slave(struct bonding *bond);
 void bond_change_active_slave(struct bonding *bond, struct slave *new_active);
 void bond_create_debugfs(void);
@@ -464,8 +512,6 @@ void bond_setup(struct net_device *bond_dev);
 unsigned int bond_get_num_tx_queues(void);
 int bond_netlink_init(void);
 void bond_netlink_fini(void);
-int bond_option_arp_ip_target_add(struct bonding *bond, __be32 target);
-int bond_option_arp_ip_target_rem(struct bonding *bond, __be32 target);
 struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond);
 struct net_device *bond_option_active_slave_get(struct bonding *bond);
 const char *bond_slave_link_status(s8 link);