Merge branch 'stable-3.2' into pandora-3.2
[pandora-kernel.git] / drivers / net / bonding / bond_main.c
index 202ae34..b436b84 100644 (file)
@@ -1715,6 +1715,8 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
 
        bond_compute_features(bond);
 
+       bond_update_speed_duplex(new_slave);
+
        read_lock(&bond->lock);
 
        new_slave->last_arp_rx = jiffies;
@@ -1758,8 +1760,6 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
                new_slave->link  = BOND_LINK_DOWN;
        }
 
-       bond_update_speed_duplex(new_slave);
-
        if (USES_PRIMARY(bond->params.mode) && bond->params.primary[0]) {
                /* if there is a primary slave, remember it */
                if (strcmp(bond->params.primary, new_slave->dev->name) == 0) {
@@ -1866,6 +1866,7 @@ err_detach:
        write_unlock_bh(&bond->lock);
 
 err_close:
+       slave_dev->priv_flags &= ~IFF_BONDING;
        dev_close(slave_dev);
 
 err_unset_master:
@@ -1934,12 +1935,11 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
                return -EINVAL;
        }
 
+       write_unlock_bh(&bond->lock);
        /* unregister rx_handler early so bond_handle_frame wouldn't be called
         * for this slave anymore.
         */
        netdev_rx_handler_unregister(slave_dev);
-       write_unlock_bh(&bond->lock);
-       synchronize_net();
        write_lock_bh(&bond->lock);
 
        if (!bond->params.fail_over_mac) {
@@ -2437,8 +2437,6 @@ static void bond_miimon_commit(struct bonding *bond)
                                bond_set_backup_slave(slave);
                        }
 
-                       bond_update_speed_duplex(slave);
-
                        pr_info("%s: link status definitely up for interface %s, %u Mbps %s duplex.\n",
                                bond->dev->name, slave->dev->name,
                                slave->speed, slave->duplex ? "full" : "half");
@@ -3424,6 +3422,28 @@ static int bond_xmit_hash_policy_l2(struct sk_buff *skb, int count)
 
 /*-------------------------- Device entry points ----------------------------*/
 
+static void bond_work_init_all(struct bonding *bond)
+{
+       INIT_DELAYED_WORK(&bond->mcast_work,
+                         bond_resend_igmp_join_requests_delayed);
+       INIT_DELAYED_WORK(&bond->alb_work, bond_alb_monitor);
+       INIT_DELAYED_WORK(&bond->mii_work, bond_mii_monitor);
+       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);
+       INIT_DELAYED_WORK(&bond->ad_work, bond_3ad_state_machine_handler);
+}
+
+static void bond_work_cancel_all(struct bonding *bond)
+{
+       cancel_delayed_work_sync(&bond->mii_work);
+       cancel_delayed_work_sync(&bond->arp_work);
+       cancel_delayed_work_sync(&bond->alb_work);
+       cancel_delayed_work_sync(&bond->ad_work);
+       cancel_delayed_work_sync(&bond->mcast_work);
+}
+
 static int bond_open(struct net_device *bond_dev)
 {
        struct bonding *bond = netdev_priv(bond_dev);
@@ -3446,41 +3466,27 @@ static int bond_open(struct net_device *bond_dev)
        }
        read_unlock(&bond->lock);
 
-       INIT_DELAYED_WORK(&bond->mcast_work, bond_resend_igmp_join_requests_delayed);
+       bond_work_init_all(bond);
 
        if (bond_is_lb(bond)) {
                /* bond_alb_initialize must be called before the timer
                 * is started.
                 */
-               if (bond_alb_initialize(bond, (bond->params.mode == BOND_MODE_ALB))) {
-                       /* something went wrong - fail the open operation */
+               if (bond_alb_initialize(bond, (bond->params.mode == BOND_MODE_ALB)))
                        return -ENOMEM;
-               }
-
-               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_DELAYED_WORK(&bond->mii_work, bond_mii_monitor);
+       if (bond->params.miimon)  /* link check interval, in milliseconds. */
                queue_delayed_work(bond->wq, &bond->mii_work, 0);
-       }
 
        if (bond->params.arp_interval) {  /* arp interval, in milliseconds. */
-               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->recv_probe = bond_arp_rcv;
        }
 
        if (bond->params.mode == BOND_MODE_8023AD) {
-               INIT_DELAYED_WORK(&bond->ad_work, bond_3ad_state_machine_handler);
                queue_delayed_work(bond->wq, &bond->ad_work, 0);
                /* register to receive LACPDUs */
                bond->recv_probe = bond_3ad_lacpdu_recv;
@@ -3495,34 +3501,10 @@ static int bond_close(struct net_device *bond_dev)
        struct bonding *bond = netdev_priv(bond_dev);
 
        write_lock_bh(&bond->lock);
-
        bond->send_peer_notif = 0;
-
        write_unlock_bh(&bond->lock);
 
-       if (bond->params.miimon) {  /* link check interval, in milliseconds. */
-               cancel_delayed_work_sync(&bond->mii_work);
-       }
-
-       if (bond->params.arp_interval) {  /* arp interval, in milliseconds. */
-               cancel_delayed_work_sync(&bond->arp_work);
-       }
-
-       switch (bond->params.mode) {
-       case BOND_MODE_8023AD:
-               cancel_delayed_work_sync(&bond->ad_work);
-               break;
-       case BOND_MODE_TLB:
-       case BOND_MODE_ALB:
-               cancel_delayed_work_sync(&bond->alb_work);
-               break;
-       default:
-               break;
-       }
-
-       if (delayed_work_pending(&bond->mcast_work))
-               cancel_delayed_work_sync(&bond->mcast_work);
-
+       bond_work_cancel_all(bond);
        if (bond_is_lb(bond)) {
                /* Must be called only after all
                 * slaves have been released
@@ -4366,26 +4348,6 @@ static void bond_setup(struct net_device *bond_dev)
        bond_dev->features |= bond_dev->hw_features;
 }
 
-static void bond_work_cancel_all(struct bonding *bond)
-{
-       if (bond->params.miimon && delayed_work_pending(&bond->mii_work))
-               cancel_delayed_work_sync(&bond->mii_work);
-
-       if (bond->params.arp_interval && delayed_work_pending(&bond->arp_work))
-               cancel_delayed_work_sync(&bond->arp_work);
-
-       if (bond->params.mode == BOND_MODE_ALB &&
-           delayed_work_pending(&bond->alb_work))
-               cancel_delayed_work_sync(&bond->alb_work);
-
-       if (bond->params.mode == BOND_MODE_8023AD &&
-           delayed_work_pending(&bond->ad_work))
-               cancel_delayed_work_sync(&bond->ad_work);
-
-       if (delayed_work_pending(&bond->mcast_work))
-               cancel_delayed_work_sync(&bond->mcast_work);
-}
-
 /*
 * Destroy a bonding device.
 * Must be under rtnl_lock when this function is called.
@@ -4892,9 +4854,18 @@ static int __net_init bond_net_init(struct net *net)
 static void __net_exit bond_net_exit(struct net *net)
 {
        struct bond_net *bn = net_generic(net, bond_net_id);
+       struct bonding *bond, *tmp_bond;
+       LIST_HEAD(list);
 
        bond_destroy_sysfs(bn);
        bond_destroy_proc_dir(bn);
+
+       /* Kill off any bonds created after unregistering bond rtnl ops */
+       rtnl_lock();
+       list_for_each_entry_safe(bond, tmp_bond, &bn->dev_list, bond_list)
+               unregister_netdevice_queue(bond->dev, &list);
+       unregister_netdevice_many(&list);
+       rtnl_unlock();
 }
 
 static struct pernet_operations bond_net_ops = {