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path: root/drivers/net/bonding/bonding.h
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Diffstat (limited to 'drivers/net/bonding/bonding.h')
-rw-r--r--drivers/net/bonding/bonding.h47
1 files changed, 42 insertions, 5 deletions
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 430362891d0d..b7127a1ba2c9 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -196,7 +196,8 @@ struct slave {
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;
@@ -304,6 +305,24 @@ static inline void bond_set_backup_slave(struct slave *slave)
}
}
+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_KERNEL);
+ slave->should_notify = 0;
+ } else {
+ if (slave->should_notify)
+ slave->should_notify = 0;
+ else
+ slave->should_notify = 1;
+ }
+}
+
static inline void bond_slave_state_change(struct bonding *bond)
{
struct list_head *iter;
@@ -317,6 +336,19 @@ 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_KERNEL);
+ tmp->should_notify = 0;
+ }
+ }
+}
+
static inline int bond_slave_state(struct slave *slave)
{
return slave->backup;
@@ -349,6 +381,9 @@ static inline bool bond_is_active_slave(struct slave *slave)
#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)
{
@@ -402,17 +437,19 @@ 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;
}