diff options
Diffstat (limited to 'drivers/net/bonding/bond_main.c')
| -rw-r--r-- | drivers/net/bonding/bond_main.c | 65 |
1 files changed, 14 insertions, 51 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index d90734fca918..2daa066c6cdd 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -967,33 +967,6 @@ void bond_select_active_slave(struct bonding *bond) } } -/*--------------------------- slave list handling ---------------------------*/ - -/* - * This function attaches the slave to the end of list. - * - * bond->lock held for writing by caller. - */ -static void bond_attach_slave(struct bonding *bond, struct slave *new_slave) -{ - bond->slave_cnt++; -} - -/* - * This function detaches the slave from the list. - * WARNING: no check is made to verify if the slave effectively - * belongs to <bond>. - * Nothing is freed on return, structures are just unchained. - * If any slave pointer in bond was pointing to <slave>, - * it should be changed by the calling function. - * - * bond->lock held for writing by caller. - */ -static void bond_detach_slave(struct bonding *bond, struct slave *slave) -{ - bond->slave_cnt--; -} - #ifdef CONFIG_NET_POLL_CONTROLLER static inline int slave_enable_netpoll(struct slave *slave) { @@ -1471,22 +1444,13 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) goto err_close; } - write_lock_bh(&bond->lock); - prev_slave = bond_last_slave(bond); - bond_attach_slave(bond, new_slave); new_slave->delay = 0; new_slave->link_failure_count = 0; - write_unlock_bh(&bond->lock); - - bond_compute_features(bond); - bond_update_speed_duplex(new_slave); - read_lock(&bond->lock); - new_slave->last_arp_rx = jiffies - (msecs_to_jiffies(bond->params.arp_interval) + 1); for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) @@ -1547,12 +1511,9 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) } } - write_lock_bh(&bond->curr_slave_lock); - switch (bond->params.mode) { case BOND_MODE_ACTIVEBACKUP: bond_set_slave_inactive_flags(new_slave); - bond_select_active_slave(bond); break; case BOND_MODE_8023AD: /* in 802.3ad mode, the internal mechanism @@ -1578,7 +1539,6 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) case BOND_MODE_ALB: bond_set_active_slave(new_slave); bond_set_slave_inactive_flags(new_slave); - bond_select_active_slave(bond); break; default: pr_debug("This slave is always active in trunk mode\n"); @@ -1596,10 +1556,6 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) break; } /* switch(bond_mode) */ - write_unlock_bh(&bond->curr_slave_lock); - - bond_set_carrier(bond); - #ifdef CONFIG_NET_POLL_CONTROLLER slave_dev->npinfo = bond->dev->npinfo; if (slave_dev->npinfo) { @@ -1614,8 +1570,6 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) } #endif - read_unlock(&bond->lock); - res = netdev_rx_handler_register(slave_dev, bond_handle_frame, new_slave); if (res) { @@ -1629,6 +1583,17 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) goto err_unregister; } + bond->slave_cnt++; + bond_compute_features(bond); + bond_set_carrier(bond); + + if (USES_PRIMARY(bond->params.mode)) { + 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); + } pr_info("%s: enslaving %s as a%s interface with a%s link.\n", bond_dev->name, slave_dev->name, @@ -1648,7 +1613,6 @@ err_detach: vlan_vids_del_by_dev(slave_dev, bond_dev); write_lock_bh(&bond->lock); - bond_detach_slave(bond, new_slave); if (bond->primary_slave == new_slave) bond->primary_slave = NULL; if (bond->curr_active_slave == new_slave) { @@ -1686,7 +1650,6 @@ err_free: kfree(new_slave); err_undo_flags: - bond_compute_features(bond); /* Enslave of first slave has failed and we need to fix master's mac */ if (!bond_has_slaves(bond) && ether_addr_equal(bond_dev->dev_addr, slave_dev->dev_addr)) @@ -1740,6 +1703,9 @@ static int __bond_release_one(struct net_device *bond_dev, write_unlock_bh(&bond->lock); + /* release the slave from its bond */ + bond->slave_cnt--; + bond_upper_dev_unlink(bond_dev, slave_dev); /* unregister rx_handler early so bond_handle_frame wouldn't be called * for this slave anymore. @@ -1764,9 +1730,6 @@ static int __bond_release_one(struct net_device *bond_dev, bond->current_arp_slave = NULL; - /* release the slave from its bond */ - bond_detach_slave(bond, slave); - if (!all && !bond->params.fail_over_mac) { if (ether_addr_equal(bond_dev->dev_addr, slave->perm_hwaddr) && bond_has_slaves(bond)) |