]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - drivers/net/bonding/bond_main.c
bonding: do not cancel works in bond_uninit()
[karo-tx-linux.git] / drivers / net / bonding / bond_main.c
index 5f5b69f37d2e50d4a6ebbe91f4c3bc1346e042e3..b7d45f367d4a6e604bdcd6c0a6aabb598587c3be 100644 (file)
@@ -615,15 +615,9 @@ static int bond_check_dev_link(struct bonding *bond,
                return netif_carrier_ok(slave_dev) ? BMSR_LSTATUS : 0;
 
        /* Try to get link status using Ethtool first. */
-       if (slave_dev->ethtool_ops) {
-               if (slave_dev->ethtool_ops->get_link) {
-                       u32 link;
-
-                       link = slave_dev->ethtool_ops->get_link(slave_dev);
-
-                       return link ? BMSR_LSTATUS : 0;
-               }
-       }
+       if (slave_dev->ethtool_ops->get_link)
+               return slave_dev->ethtool_ops->get_link(slave_dev) ?
+                       BMSR_LSTATUS : 0;
 
        /* Ethtool can't be used, fallback to MII ioctls. */
        ioctl = slave_ops->ndo_do_ioctl;
@@ -1510,8 +1504,9 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
        int link_reporting;
        int res = 0;
 
-       if (!bond->params.use_carrier && slave_dev->ethtool_ops == NULL &&
-               slave_ops->ndo_do_ioctl == NULL) {
+       if (!bond->params.use_carrier &&
+           slave_dev->ethtool_ops->get_link == NULL &&
+           slave_ops->ndo_do_ioctl == NULL) {
                pr_warning("%s: Warning: no link monitoring support for %s\n",
                           bond_dev->name, slave_dev->name);
        }
@@ -1838,7 +1833,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
                 * anyway (it holds no special properties of the bond device),
                 * so we can change it without calling change_active_interface()
                 */
-               if (!bond->curr_active_slave)
+               if (!bond->curr_active_slave && new_slave->link == BOND_LINK_UP)
                        bond->curr_active_slave = new_slave;
 
                break;
@@ -3459,6 +3454,28 @@ static int bond_xmit_hash_policy_l34(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);
@@ -3481,41 +3498,27 @@ 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;
@@ -3530,34 +3533,10 @@ 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
@@ -4436,26 +4415,6 @@ 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.
@@ -4472,8 +4431,6 @@ static void bond_uninit(struct net_device *bond_dev)
 
        list_del(&bond->bond_list);
 
-       bond_work_cancel_all(bond);
-
        bond_debug_unregister(bond);
 
        __hw_addr_flush(&bond->mc_list);
@@ -4706,12 +4663,13 @@ static int bond_check_params(struct bond_params *params)
             arp_ip_count++) {
                /* not complete check, but should be good enough to
                   catch mistakes */
-               if (!isdigit(arp_ip_target[arp_ip_count][0])) {
+               __be32 ip = in_aton(arp_ip_target[arp_ip_count]);
+               if (!isdigit(arp_ip_target[arp_ip_count][0]) ||
+                   ip == 0 || ip == htonl(INADDR_BROADCAST)) {
                        pr_warning("Warning: bad arp_ip_target module parameter (%s), ARP monitoring will not be performed\n",
                                   arp_ip_target[arp_ip_count]);
                        arp_interval = 0;
                } else {
-                       __be32 ip = in_aton(arp_ip_target[arp_ip_count]);
                        arp_target[arp_ip_count] = ip;
                }
        }