aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/bonding/bond_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/bonding/bond_main.c')
-rw-r--r--drivers/net/bonding/bond_main.c330
1 files changed, 201 insertions, 129 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 6f85cc31f8a..6909becb10f 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1590,15 +1590,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
case BOND_MODE_TLB:
case BOND_MODE_ALB:
new_slave->state = BOND_STATE_ACTIVE;
- if ((!bond->curr_active_slave) &&
- (new_slave->link != BOND_LINK_DOWN)) {
- /* first slave or no active slave yet, and this link
- * is OK, so make this interface the active one
- */
- bond_change_active_slave(bond, new_slave);
- } else {
- bond_set_slave_inactive_flags(new_slave);
- }
+ bond_set_slave_inactive_flags(new_slave);
break;
default:
dprintk("This slave is always active in trunk mode\n");
@@ -1754,9 +1746,23 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
bond_alb_deinit_slave(bond, slave);
}
- if (oldcurrent == slave)
+ if (oldcurrent == slave) {
+ /*
+ * Note that we hold RTNL over this sequence, so there
+ * is no concern that another slave add/remove event
+ * will interfere.
+ */
+ write_unlock_bh(&bond->lock);
+ read_lock(&bond->lock);
+ write_lock_bh(&bond->curr_slave_lock);
+
bond_select_active_slave(bond);
+ write_unlock_bh(&bond->curr_slave_lock);
+ read_unlock(&bond->lock);
+ write_lock_bh(&bond->lock);
+ }
+
if (bond->slave_cnt == 0) {
bond_set_carrier(bond);
@@ -1840,9 +1846,9 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
*/
void bond_destroy(struct bonding *bond)
{
+ unregister_netdevice(bond->dev);
bond_deinit(bond->dev);
bond_destroy_sysfs_entry(bond);
- unregister_netdevice(bond->dev);
}
/*
@@ -2012,16 +2018,19 @@ static int bond_ioctl_change_active(struct net_device *bond_dev, struct net_devi
return -EINVAL;
}
- write_lock_bh(&bond->lock);
+ read_lock(&bond->lock);
+ read_lock(&bond->curr_slave_lock);
old_active = bond->curr_active_slave;
+ read_unlock(&bond->curr_slave_lock);
+
new_active = bond_get_slave_by_dev(bond, slave_dev);
/*
* Changing to the current active: do nothing; return success.
*/
if (new_active && (new_active == old_active)) {
- write_unlock_bh(&bond->lock);
+ read_unlock(&bond->lock);
return 0;
}
@@ -2029,12 +2038,14 @@ static int bond_ioctl_change_active(struct net_device *bond_dev, struct net_devi
(old_active) &&
(new_active->link == BOND_LINK_UP) &&
IS_UP(new_active->dev)) {
+ write_lock_bh(&bond->curr_slave_lock);
bond_change_active_slave(bond, new_active);
+ write_unlock_bh(&bond->curr_slave_lock);
} else {
res = -EINVAL;
}
- write_unlock_bh(&bond->lock);
+ read_unlock(&bond->lock);
return res;
}
@@ -2046,9 +2057,9 @@ static int bond_info_query(struct net_device *bond_dev, struct ifbond *info)
info->bond_mode = bond->params.mode;
info->miimon = bond->params.miimon;
- read_lock_bh(&bond->lock);
+ read_lock(&bond->lock);
info->num_slaves = bond->slave_cnt;
- read_unlock_bh(&bond->lock);
+ read_unlock(&bond->lock);
return 0;
}
@@ -2063,7 +2074,7 @@ static int bond_slave_info_query(struct net_device *bond_dev, struct ifslave *in
return -ENODEV;
}
- read_lock_bh(&bond->lock);
+ read_lock(&bond->lock);
bond_for_each_slave(bond, slave, i) {
if (i == (int)info->slave_id) {
@@ -2072,7 +2083,7 @@ static int bond_slave_info_query(struct net_device *bond_dev, struct ifslave *in
}
}
- read_unlock_bh(&bond->lock);
+ read_unlock(&bond->lock);
if (found) {
strcpy(info->slave_name, slave->dev->name);
@@ -2088,26 +2099,25 @@ static int bond_slave_info_query(struct net_device *bond_dev, struct ifslave *in
/*-------------------------------- Monitoring -------------------------------*/
-/* this function is called regularly to monitor each slave's link. */
-void bond_mii_monitor(struct net_device *bond_dev)
+/*
+ * if !have_locks, return nonzero if a failover is necessary. if
+ * have_locks, do whatever failover activities are needed.
+ *
+ * This is to separate the inspection and failover steps for locking
+ * purposes; failover requires rtnl, but acquiring it for every
+ * inspection is undesirable, so a wrapper first does inspection, and
+ * the acquires the necessary locks and calls again to perform
+ * failover if needed. Since all locks are dropped, a complete
+ * restart is needed between calls.
+ */
+static int __bond_mii_monitor(struct bonding *bond, int have_locks)
{
- struct bonding *bond = bond_dev->priv;
struct slave *slave, *oldcurrent;
int do_failover = 0;
- int delta_in_ticks;
int i;
- read_lock(&bond->lock);
-
- delta_in_ticks = (bond->params.miimon * HZ) / 1000;
-
- if (bond->kill_timers) {
+ if (bond->slave_cnt == 0)
goto out;
- }
-
- if (bond->slave_cnt == 0) {
- goto re_arm;
- }
/* we will try to read the link status of each of our slaves, and
* set their IFF_RUNNING flag appropriately. For each slave not
@@ -2141,7 +2151,11 @@ void bond_mii_monitor(struct net_device *bond_dev)
switch (slave->link) {
case BOND_LINK_UP: /* the link was up */
if (link_state == BMSR_LSTATUS) {
- /* link stays up, nothing more to do */
+ if (!oldcurrent) {
+ if (!have_locks)
+ return 1;
+ do_failover = 1;
+ }
break;
} else { /* link going down */
slave->link = BOND_LINK_FAIL;
@@ -2156,7 +2170,7 @@ void bond_mii_monitor(struct net_device *bond_dev)
": %s: link status down for %s "
"interface %s, disabling it in "
"%d ms.\n",
- bond_dev->name,
+ bond->dev->name,
IS_UP(slave_dev)
? ((bond->params.mode == BOND_MODE_ACTIVEBACKUP)
? ((slave == oldcurrent)
@@ -2174,6 +2188,9 @@ void bond_mii_monitor(struct net_device *bond_dev)
if (link_state != BMSR_LSTATUS) {
/* link stays down */
if (slave->delay <= 0) {
+ if (!have_locks)
+ return 1;
+
/* link down for too long time */
slave->link = BOND_LINK_DOWN;
@@ -2189,7 +2206,7 @@ void bond_mii_monitor(struct net_device *bond_dev)
": %s: link status definitely "
"down for interface %s, "
"disabling it\n",
- bond_dev->name,
+ bond->dev->name,
slave_dev->name);
/* notify ad that the link status has changed */
@@ -2215,7 +2232,7 @@ void bond_mii_monitor(struct net_device *bond_dev)
printk(KERN_INFO DRV_NAME
": %s: link status up again after %d "
"ms for interface %s.\n",
- bond_dev->name,
+ bond->dev->name,
(bond->params.downdelay - slave->delay) * bond->params.miimon,
slave_dev->name);
}
@@ -2235,7 +2252,7 @@ void bond_mii_monitor(struct net_device *bond_dev)
": %s: link status up for "
"interface %s, enabling it "
"in %d ms.\n",
- bond_dev->name,
+ bond->dev->name,
slave_dev->name,
bond->params.updelay * bond->params.miimon);
}
@@ -2251,12 +2268,15 @@ void bond_mii_monitor(struct net_device *bond_dev)
printk(KERN_INFO DRV_NAME
": %s: link status down again after %d "
"ms for interface %s.\n",
- bond_dev->name,
+ bond->dev->name,
(bond->params.updelay - slave->delay) * bond->params.miimon,
slave_dev->name);
} else {
/* link stays up */
if (slave->delay == 0) {
+ if (!have_locks)
+ return 1;
+
/* now the link has been up for long time enough */
slave->link = BOND_LINK_UP;
slave->jiffies = jiffies;
@@ -2275,7 +2295,7 @@ void bond_mii_monitor(struct net_device *bond_dev)
printk(KERN_INFO DRV_NAME
": %s: link status definitely "
"up for interface %s.\n",
- bond_dev->name,
+ bond->dev->name,
slave_dev->name);
/* notify ad that the link status has changed */
@@ -2301,7 +2321,7 @@ void bond_mii_monitor(struct net_device *bond_dev)
/* Should not happen */
printk(KERN_ERR DRV_NAME
": %s: Error: %s Illegal value (link=%d)\n",
- bond_dev->name,
+ bond->dev->name,
slave->dev->name,
slave->link);
goto out;
@@ -2322,22 +2342,52 @@ void bond_mii_monitor(struct net_device *bond_dev)
} /* end of for */
if (do_failover) {
- write_lock(&bond->curr_slave_lock);
+ ASSERT_RTNL();
+
+ write_lock_bh(&bond->curr_slave_lock);
bond_select_active_slave(bond);
- write_unlock(&bond->curr_slave_lock);
+ write_unlock_bh(&bond->curr_slave_lock);
+
} else
bond_set_carrier(bond);
-re_arm:
- if (bond->params.miimon) {
- mod_timer(&bond->mii_timer, jiffies + delta_in_ticks);
- }
out:
- read_unlock(&bond->lock);
+ return 0;
}
+/*
+ * bond_mii_monitor
+ *
+ * Really a wrapper that splits the mii monitor into two phases: an
+ * inspection, then (if inspection indicates something needs to be
+ * done) an acquisition of appropriate locks followed by another pass
+ * to implement whatever link state changes are indicated.
+ */
+void bond_mii_monitor(struct work_struct *work)
+{
+ struct bonding *bond = container_of(work, struct bonding,
+ mii_work.work);
+ unsigned long delay;
+
+ read_lock(&bond->lock);
+ if (bond->kill_timers) {
+ read_unlock(&bond->lock);
+ return;
+ }
+ if (__bond_mii_monitor(bond, 0)) {
+ read_unlock(&bond->lock);
+ rtnl_lock();
+ read_lock(&bond->lock);
+ __bond_mii_monitor(bond, 1);
+ rtnl_unlock();
+ }
+
+ delay = ((bond->params.miimon * HZ) / 1000) ? : 1;
+ read_unlock(&bond->lock);
+ queue_delayed_work(bond->wq, &bond->mii_work, delay);
+}
static __be32 bond_glean_dev_ip(struct net_device *dev)
{
@@ -2636,9 +2686,10 @@ out:
* arp is transmitted to generate traffic. see activebackup_arp_monitor for
* arp monitoring in active backup mode.
*/
-void bond_loadbalance_arp_mon(struct net_device *bond_dev)
+void bond_loadbalance_arp_mon(struct work_struct *work)
{
- struct bonding *bond = bond_dev->priv;
+ struct bonding *bond = container_of(work, struct bonding,
+ arp_work.work);
struct slave *slave, *oldcurrent;
int do_failover = 0;
int delta_in_ticks;
@@ -2685,13 +2736,13 @@ void bond_loadbalance_arp_mon(struct net_device *bond_dev)
printk(KERN_INFO DRV_NAME
": %s: link status definitely "
"up for interface %s, ",
- bond_dev->name,
+ bond->dev->name,
slave->dev->name);
do_failover = 1;
} else {
printk(KERN_INFO DRV_NAME
": %s: interface %s is now up\n",
- bond_dev->name,
+ bond->dev->name,
slave->dev->name);
}
}
@@ -2715,7 +2766,7 @@ void bond_loadbalance_arp_mon(struct net_device *bond_dev)
printk(KERN_INFO DRV_NAME
": %s: interface %s is now down.\n",
- bond_dev->name,
+ bond->dev->name,
slave->dev->name);
if (slave == oldcurrent) {
@@ -2737,17 +2788,19 @@ void bond_loadbalance_arp_mon(struct net_device *bond_dev)
}
if (do_failover) {
- write_lock(&bond->curr_slave_lock);
+ rtnl_lock();
+ write_lock_bh(&bond->curr_slave_lock);
bond_select_active_slave(bond);
- write_unlock(&bond->curr_slave_lock);
+ write_unlock_bh(&bond->curr_slave_lock);
+ rtnl_unlock();
+
}
re_arm:
- if (bond->params.arp_interval) {
- mod_timer(&bond->arp_timer, jiffies + delta_in_ticks);
- }
+ if (bond->params.arp_interval)
+ queue_delayed_work(bond->wq, &bond->arp_work, delta_in_ticks);
out:
read_unlock(&bond->lock);
}
@@ -2767,9 +2820,10 @@ out:
* may have received.
* see loadbalance_arp_monitor for arp monitoring in load balancing mode
*/
-void bond_activebackup_arp_mon(struct net_device *bond_dev)
+void bond_activebackup_arp_mon(struct work_struct *work)
{
- struct bonding *bond = bond_dev->priv;
+ struct bonding *bond = container_of(work, struct bonding,
+ arp_work.work);
struct slave *slave;
int delta_in_ticks;
int i;
@@ -2798,7 +2852,9 @@ void bond_activebackup_arp_mon(struct net_device *bond_dev)
slave->link = BOND_LINK_UP;
- write_lock(&bond->curr_slave_lock);
+ rtnl_lock();
+
+ write_lock_bh(&bond->curr_slave_lock);
if ((!bond->curr_active_slave) &&
((jiffies - slave->dev->trans_start) <= delta_in_ticks)) {
@@ -2821,18 +2877,19 @@ void bond_activebackup_arp_mon(struct net_device *bond_dev)
printk(KERN_INFO DRV_NAME
": %s: %s is up and now the "
"active interface\n",
- bond_dev->name,
+ bond->dev->name,
slave->dev->name);
netif_carrier_on(bond->dev);
} else {
printk(KERN_INFO DRV_NAME
": %s: backup interface %s is "
"now up\n",
- bond_dev->name,
+ bond->dev->name,
slave->dev->name);
}
- write_unlock(&bond->curr_slave_lock);
+ write_unlock_bh(&bond->curr_slave_lock);
+ rtnl_unlock();
}
} else {
read_lock(&bond->curr_slave_lock);
@@ -2864,7 +2921,7 @@ void bond_activebackup_arp_mon(struct net_device *bond_dev)
printk(KERN_INFO DRV_NAME
": %s: backup interface %s is now down\n",
- bond_dev->name,
+ bond->dev->name,
slave->dev->name);
} else {
read_unlock(&bond->curr_slave_lock);
@@ -2899,15 +2956,18 @@ void bond_activebackup_arp_mon(struct net_device *bond_dev)
printk(KERN_INFO DRV_NAME
": %s: link status down for active interface "
"%s, disabling it\n",
- bond_dev->name,
+ bond->dev->name,
slave->dev->name);
- write_lock(&bond->curr_slave_lock);
+ rtnl_lock();
+ write_lock_bh(&bond->curr_slave_lock);
bond_select_active_slave(bond);
slave = bond->curr_active_slave;
- write_unlock(&bond->curr_slave_lock);
+ write_unlock_bh(&bond->curr_slave_lock);
+
+ rtnl_unlock();
bond->current_arp_slave = slave;
@@ -2921,14 +2981,17 @@ void bond_activebackup_arp_mon(struct net_device *bond_dev)
printk(KERN_INFO DRV_NAME
": %s: changing from interface %s to primary "
"interface %s\n",
- bond_dev->name,
+ bond->dev->name,
slave->dev->name,
bond->primary_slave->dev->name);
/* primary is up so switch to it */
- write_lock(&bond->curr_slave_lock);
+ rtnl_lock();
+ write_lock_bh(&bond->curr_slave_lock);
bond_change_active_slave(bond, bond->primary_slave);
- write_unlock(&bond->curr_slave_lock);
+ write_unlock_bh(&bond->curr_slave_lock);
+
+ rtnl_unlock();
slave = bond->primary_slave;
slave->jiffies = jiffies;
@@ -2985,7 +3048,7 @@ void bond_activebackup_arp_mon(struct net_device *bond_dev)
printk(KERN_INFO DRV_NAME
": %s: backup interface %s is "
"now down.\n",
- bond_dev->name,
+ bond->dev->name,
slave->dev->name);
}
}
@@ -2994,7 +3057,7 @@ void bond_activebackup_arp_mon(struct net_device *bond_dev)
re_arm:
if (bond->params.arp_interval) {
- mod_timer(&bond->arp_timer, jiffies + delta_in_ticks);
+ queue_delayed_work(bond->wq, &bond->arp_work, delta_in_ticks);
}
out:
read_unlock(&bond->lock);
@@ -3015,7 +3078,7 @@ static void *bond_info_seq_start(struct seq_file *seq, loff_t *pos)
/* make sure the bond won't be taken away */
read_lock(&dev_base_lock);
- read_lock_bh(&bond->lock);
+ read_lock(&bond->lock);
if (*pos == 0) {
return SEQ_START_TOKEN;
@@ -3049,7 +3112,7 @@ static void bond_info_seq_stop(struct seq_file *seq, void *v)
{
struct bonding *bond = seq->private;
- read_unlock_bh(&bond->lock);
+ read_unlock(&bond->lock);
read_unlock(&dev_base_lock);
}
@@ -3582,15 +3645,11 @@ static int bond_xmit_hash_policy_l2(struct sk_buff *skb,
static int bond_open(struct net_device *bond_dev)
{
struct bonding *bond = bond_dev->priv;
- struct timer_list *mii_timer = &bond->mii_timer;
- struct timer_list *arp_timer = &bond->arp_timer;
bond->kill_timers = 0;
if ((bond->params.mode == BOND_MODE_TLB) ||
(bond->params.mode == BOND_MODE_ALB)) {
- struct timer_list *alb_timer = &(BOND_ALB_INFO(bond).alb_timer);
-
/* bond_alb_initialize must be called before the timer
* is started.
*/
@@ -3599,44 +3658,31 @@ static int bond_open(struct net_device *bond_dev)
return -1;
}
- init_timer(alb_timer);
- alb_timer->expires = jiffies + 1;
- alb_timer->data = (unsigned long)bond;
- alb_timer->function = (void *)&bond_alb_monitor;
- add_timer(alb_timer);
+ INIT_DELAYED_WORK(&bond->alb_work, bond_alb_monitor);
+ queue_delayed_work(bond->wq, &bond->alb_work, 0);
}
if (bond->params.miimon) { /* link check interval, in milliseconds. */
- init_timer(mii_timer);
- mii_timer->expires = jiffies + 1;
- mii_timer->data = (unsigned long)bond_dev;
- mii_timer->function = (void *)&bond_mii_monitor;
- add_timer(mii_timer);
+ INIT_DELAYED_WORK(&bond->mii_work, bond_mii_monitor);
+ queue_delayed_work(bond->wq, &bond->mii_work, 0);
}
if (bond->params.arp_interval) { /* arp interval, in milliseconds. */
- init_timer(arp_timer);
- arp_timer->expires = jiffies + 1;
- arp_timer->data = (unsigned long)bond_dev;
- if (bond->params.mode == BOND_MODE_ACTIVEBACKUP) {
- arp_timer->function = (void *)&bond_activebackup_arp_mon;
- } else {
- arp_timer->function = (void *)&bond_loadbalance_arp_mon;
- }
+ if (bond->params.mode == BOND_MODE_ACTIVEBACKUP)
+ INIT_DELAYED_WORK(&bond->arp_work,
+ bond_activebackup_arp_mon);
+ else
+ INIT_DELAYED_WORK(&bond->arp_work,
+ bond_loadbalance_arp_mon);
+
+ queue_delayed_work(bond->wq, &bond->arp_work, 0);
if (bond->params.arp_validate)
bond_register_arp(bond);
-
- add_timer(arp_timer);
}
if (bond->params.mode == BOND_MODE_8023AD) {
- struct timer_list *ad_timer = &(BOND_AD_INFO(bond).ad_timer);
- init_timer(ad_timer);
- ad_timer->expires = jiffies + 1;
- ad_timer->data = (unsigned long)bond;
- ad_timer->function = (void *)&bond_3ad_state_machine_handler;
- add_timer(ad_timer);
-
+ INIT_DELAYED_WORK(&bond->ad_work, bond_alb_monitor);
+ queue_delayed_work(bond->wq, &bond->ad_work, 0);
/* register to receive LACPDUs */
bond_register_lacpdu(bond);
}
@@ -3664,25 +3710,21 @@ static int bond_close(struct net_device *bond_dev)
write_unlock_bh(&bond->lock);
- /* del_timer_sync must run without holding the bond->lock
- * because a running timer might be trying to hold it too
- */
-
if (bond->params.miimon) { /* link check interval, in milliseconds. */
- del_timer_sync(&bond->mii_timer);
+ cancel_delayed_work(&bond->mii_work);
}
if (bond->params.arp_interval) { /* arp interval, in milliseconds. */
- del_timer_sync(&bond->arp_timer);
+ cancel_delayed_work(&bond->arp_work);
}
switch (bond->params.mode) {
case BOND_MODE_8023AD:
- del_timer_sync(&(BOND_AD_INFO(bond).ad_timer));
+ cancel_delayed_work(&bond->ad_work);
break;
case BOND_MODE_TLB:
case BOND_MODE_ALB:
- del_timer_sync(&(BOND_ALB_INFO(bond).alb_timer));
+ cancel_delayed_work(&bond->alb_work);
break;
default:
break;
@@ -3779,13 +3821,13 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd
if (mii->reg_num == 1) {
struct bonding *bond = bond_dev->priv;
mii->val_out = 0;
- read_lock_bh(&bond->lock);
+ read_lock(&bond->lock);
read_lock(&bond->curr_slave_lock);
if (netif_carrier_ok(bond->dev)) {
mii->val_out = BMSR_LSTATUS;
}
read_unlock(&bond->curr_slave_lock);
- read_unlock_bh(&bond->lock);
+ read_unlock(&bond->lock);
}
return 0;
@@ -4077,8 +4119,7 @@ static int bond_xmit_roundrobin(struct sk_buff *skb, struct net_device *bond_dev
{
struct bonding *bond = bond_dev->priv;
struct slave *slave, *start_at;
- int i;
- int res = 1;
+ int i, slave_no, res = 1;
read_lock(&bond->lock);
@@ -4086,29 +4127,29 @@ static int bond_xmit_roundrobin(struct sk_buff *skb, struct net_device *bond_dev
goto out;
}
- read_lock(&bond->curr_slave_lock);
- slave = start_at = bond->curr_active_slave;
- read_unlock(&bond->curr_slave_lock);
+ /*
+ * Concurrent TX may collide on rr_tx_counter; we accept that
+ * as being rare enough not to justify using an atomic op here
+ */
+ slave_no = bond->rr_tx_counter++ % bond->slave_cnt;
- if (!slave) {
- goto out;
+ bond_for_each_slave(bond, slave, i) {
+ slave_no--;
+ if (slave_no < 0) {
+ break;
+ }
}
+ start_at = slave;
bond_for_each_slave_from(bond, slave, i, start_at) {
if (IS_UP(slave->dev) &&
(slave->link == BOND_LINK_UP) &&
(slave->state == BOND_STATE_ACTIVE)) {
res = bond_dev_queue_xmit(bond, skb, slave->dev);
-
- write_lock(&bond->curr_slave_lock);
- bond->curr_active_slave = slave->next;
- write_unlock(&bond->curr_slave_lock);
-
break;
}
}
-
out:
if (res) {
/* no suitable interface, frame not sent */
@@ -4340,6 +4381,10 @@ static int bond_init(struct net_device *bond_dev, struct bond_params *params)
bond->params = *params; /* copy params struct */
+ bond->wq = create_singlethread_workqueue(bond_dev->name);
+ if (!bond->wq)
+ return -ENOMEM;
+
/* Initialize pointers */
bond->first_slave = NULL;
bond->curr_active_slave = NULL;
@@ -4428,8 +4473,8 @@ static void bond_free_all(void)
bond_mc_list_destroy(bond);
/* Release the bonded slaves */
bond_release_all(bond_dev);
- bond_deinit(bond_dev);
unregister_netdevice(bond_dev);
+ bond_deinit(bond_dev);
}
#ifdef CONFIG_PROC_FS
@@ -4826,10 +4871,32 @@ out_rtnl:
return res;
}
+static void bond_work_cancel_all(struct bonding *bond)
+{
+ write_lock_bh(&bond->lock);
+ bond->kill_timers = 1;
+ write_unlock_bh(&bond->lock);
+
+ if (bond->params.miimon && delayed_work_pending(&bond->mii_work))
+ cancel_delayed_work(&bond->mii_work);
+
+ if (bond->params.arp_interval && delayed_work_pending(&bond->arp_work))
+ cancel_delayed_work(&bond->arp_work);
+
+ if (bond->params.mode == BOND_MODE_ALB &&
+ delayed_work_pending(&bond->alb_work))
+ cancel_delayed_work(&bond->alb_work);
+
+ if (bond->params.mode == BOND_MODE_8023AD &&
+ delayed_work_pending(&bond->ad_work))
+ cancel_delayed_work(&bond->ad_work);
+}
+
static int __init bonding_init(void)
{
int i;
int res;
+ struct bonding *bond, *nxt;
printk(KERN_INFO "%s", version);
@@ -4856,6 +4923,11 @@ static int __init bonding_init(void)
goto out;
err:
+ list_for_each_entry_safe(bond, nxt, &bond_dev_list, bond_list) {
+ bond_work_cancel_all(bond);
+ destroy_workqueue(bond->wq);
+ }
+
rtnl_lock();
bond_free_all();
bond_destroy_sysfs();