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path: root/drivers/net/bonding/bond_main.c
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Diffstat (limited to 'drivers/net/bonding/bond_main.c')
-rw-r--r--drivers/net/bonding/bond_main.c31
1 files changed, 20 insertions, 11 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 84168455aded..302499ae05e6 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -796,6 +796,8 @@ static bool bond_should_notify_peers(struct bonding *bond)
slave ? slave->dev->name : "NULL");
if (!slave || !bond->send_peer_notif ||
+ bond->send_peer_notif %
+ max(1, bond->params.peer_notif_delay) != 0 ||
!netif_carrier_ok(bond->dev) ||
test_bit(__LINK_STATE_LINKWATCH_PENDING, &slave->dev->state))
return false;
@@ -886,15 +888,18 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active)
if (netif_running(bond->dev)) {
bond->send_peer_notif =
- bond->params.num_peer_notif;
+ bond->params.num_peer_notif *
+ max(1, bond->params.peer_notif_delay);
should_notify_peers =
bond_should_notify_peers(bond);
}
call_netdevice_notifiers(NETDEV_BONDING_FAILOVER, bond->dev);
- if (should_notify_peers)
+ if (should_notify_peers) {
+ bond->send_peer_notif--;
call_netdevice_notifiers(NETDEV_NOTIFY_PEERS,
bond->dev);
+ }
}
}
@@ -2279,6 +2284,7 @@ static void bond_mii_monitor(struct work_struct *work)
struct bonding *bond = container_of(work, struct bonding,
mii_work.work);
bool should_notify_peers = false;
+ bool commit;
unsigned long delay;
struct slave *slave;
struct list_head *iter;
@@ -2289,12 +2295,19 @@ static void bond_mii_monitor(struct work_struct *work)
goto re_arm;
rcu_read_lock();
-
should_notify_peers = bond_should_notify_peers(bond);
-
- if (bond_miimon_inspect(bond)) {
+ commit = !!bond_miimon_inspect(bond);
+ if (bond->send_peer_notif) {
+ rcu_read_unlock();
+ if (rtnl_trylock()) {
+ bond->send_peer_notif--;
+ rtnl_unlock();
+ }
+ } else {
rcu_read_unlock();
+ }
+ if (commit) {
/* Race avoidance with bond_close cancel of workqueue */
if (!rtnl_trylock()) {
delay = 1;
@@ -2308,8 +2321,7 @@ static void bond_mii_monitor(struct work_struct *work)
bond_miimon_commit(bond);
rtnl_unlock(); /* might sleep, hold no other locks */
- } else
- rcu_read_unlock();
+ }
re_arm:
if (bond->params.miimon)
@@ -3065,10 +3077,6 @@ static int bond_master_netdev_event(unsigned long event,
case NETDEV_REGISTER:
bond_create_proc_entry(event_bond);
break;
- case NETDEV_NOTIFY_PEERS:
- if (event_bond->send_peer_notif)
- event_bond->send_peer_notif--;
- break;
default:
break;
}
@@ -4691,6 +4699,7 @@ static int bond_check_params(struct bond_params *params)
params->arp_all_targets = arp_all_targets_value;
params->updelay = updelay;
params->downdelay = downdelay;
+ params->peer_notif_delay = 0;
params->use_carrier = use_carrier;
params->lacp_fast = lacp_fast;
params->primary[0] = 0;
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