aboutsummaryrefslogtreecommitdiffstats
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.c116
1 files changed, 88 insertions, 28 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index fef599eb822b..340e7bf6463e 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1129,6 +1129,7 @@ static void bond_setup_by_slave(struct net_device *bond_dev,
bond_dev->type = slave_dev->type;
bond_dev->hard_header_len = slave_dev->hard_header_len;
+ bond_dev->needed_headroom = slave_dev->needed_headroom;
bond_dev->addr_len = slave_dev->addr_len;
memcpy(bond_dev->broadcast, slave_dev->broadcast,
@@ -1252,7 +1253,39 @@ static void bond_upper_dev_unlink(struct bonding *bond, struct slave *slave)
rtmsg_ifinfo(RTM_NEWLINK, slave->dev, IFF_SLAVE, GFP_KERNEL);
}
-static struct slave *bond_alloc_slave(struct bonding *bond)
+static void slave_kobj_release(struct kobject *kobj)
+{
+ struct slave *slave = to_slave(kobj);
+ struct bonding *bond = bond_get_bond_by_slave(slave);
+
+ cancel_delayed_work_sync(&slave->notify_work);
+ if (BOND_MODE(bond) == BOND_MODE_8023AD)
+ kfree(SLAVE_AD_INFO(slave));
+
+ kfree(slave);
+}
+
+static struct kobj_type slave_ktype = {
+ .release = slave_kobj_release,
+#ifdef CONFIG_SYSFS
+ .sysfs_ops = &slave_sysfs_ops,
+#endif
+};
+
+static int bond_kobj_init(struct slave *slave)
+{
+ int err;
+
+ err = kobject_init_and_add(&slave->kobj, &slave_ktype,
+ &(slave->dev->dev.kobj), "bonding_slave");
+ if (err)
+ kobject_put(&slave->kobj);
+
+ return err;
+}
+
+static struct slave *bond_alloc_slave(struct bonding *bond,
+ struct net_device *slave_dev)
{
struct slave *slave = NULL;
@@ -1260,30 +1293,25 @@ static struct slave *bond_alloc_slave(struct bonding *bond)
if (!slave)
return NULL;
+ slave->bond = bond;
+ slave->dev = slave_dev;
+ INIT_DELAYED_WORK(&slave->notify_work, bond_netdev_notify_work);
+
+ if (bond_kobj_init(slave))
+ return NULL;
+
if (BOND_MODE(bond) == BOND_MODE_8023AD) {
SLAVE_AD_INFO(slave) = kzalloc(sizeof(struct ad_slave_info),
GFP_KERNEL);
if (!SLAVE_AD_INFO(slave)) {
- kfree(slave);
+ kobject_put(&slave->kobj);
return NULL;
}
}
- INIT_DELAYED_WORK(&slave->notify_work, bond_netdev_notify_work);
return slave;
}
-static void bond_free_slave(struct slave *slave)
-{
- struct bonding *bond = bond_get_bond_by_slave(slave);
-
- cancel_delayed_work_sync(&slave->notify_work);
- if (BOND_MODE(bond) == BOND_MODE_8023AD)
- kfree(SLAVE_AD_INFO(slave));
-
- kfree(slave);
-}
-
static void bond_fill_ifbond(struct bonding *bond, struct ifbond *info)
{
info->bond_mode = BOND_MODE(bond);
@@ -1463,14 +1491,12 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
bond->dev->addr_assign_type == NET_ADDR_RANDOM)
bond_set_dev_addr(bond->dev, slave_dev);
- new_slave = bond_alloc_slave(bond);
+ new_slave = bond_alloc_slave(bond, slave_dev);
if (!new_slave) {
res = -ENOMEM;
goto err_undo_flags;
}
- new_slave->bond = bond;
- new_slave->dev = slave_dev;
/* Set the new_slave's queue_id to be zero. Queue ID mapping
* is set via sysfs or module option if desired.
*/
@@ -1801,7 +1827,7 @@ err_restore_mtu:
dev_set_mtu(slave_dev, new_slave->original_mtu);
err_free:
- bond_free_slave(new_slave);
+ kobject_put(&new_slave->kobj);
err_undo_flags:
/* Enslave of first slave has failed and we need to fix master's mac */
@@ -1989,7 +2015,7 @@ static int __bond_release_one(struct net_device *bond_dev,
if (!netif_is_bond_master(slave_dev))
slave_dev->priv_flags &= ~IFF_BONDING;
- bond_free_slave(slave);
+ kobject_put(&slave->kobj);
return 0;
}
@@ -2010,7 +2036,8 @@ static int bond_release_and_destroy(struct net_device *bond_dev,
int ret;
ret = __bond_release_one(bond_dev, slave_dev, false, true);
- if (ret == 0 && !bond_has_slaves(bond)) {
+ if (ret == 0 && !bond_has_slaves(bond) &&
+ bond_dev->reg_state != NETREG_UNREGISTERING) {
bond_dev->priv_flags |= IFF_DISABLE_NETPOLL;
netdev_info(bond_dev, "Destroying bond %s\n",
bond_dev->name);
@@ -2752,6 +2779,9 @@ static int bond_ab_arp_inspect(struct bonding *bond)
if (bond_time_in_interval(bond, last_rx, 1)) {
bond_propose_link_state(slave, BOND_LINK_UP);
commit++;
+ } else if (slave->link == BOND_LINK_BACK) {
+ bond_propose_link_state(slave, BOND_LINK_FAIL);
+ commit++;
}
continue;
}
@@ -2862,6 +2892,19 @@ static void bond_ab_arp_commit(struct bonding *bond)
continue;
+ case BOND_LINK_FAIL:
+ bond_set_slave_link_state(slave, BOND_LINK_FAIL,
+ BOND_SLAVE_NOTIFY_NOW);
+ bond_set_slave_inactive_flags(slave,
+ BOND_SLAVE_NOTIFY_NOW);
+
+ /* A slave has just been enslaved and has become
+ * the current active slave.
+ */
+ if (rtnl_dereference(bond->curr_active_slave))
+ RCU_INIT_POINTER(bond->current_arp_slave, NULL);
+ continue;
+
default:
netdev_err(bond->dev, "impossible: new_link %d on slave %s\n",
slave->link_new_state, slave->dev->name);
@@ -2911,8 +2954,6 @@ static bool bond_ab_arp_probe(struct bonding *bond)
return should_notify_rtnl;
}
- bond_set_slave_inactive_flags(curr_arp_slave, BOND_SLAVE_NOTIFY_LATER);
-
bond_for_each_slave_rcu(bond, slave, iter) {
if (!found && !before && bond_slave_is_up(slave))
before = slave;
@@ -4156,13 +4197,23 @@ static netdev_tx_t bond_start_xmit(struct sk_buff *skb, struct net_device *dev)
return ret;
}
+static u32 bond_mode_bcast_speed(struct slave *slave, u32 speed)
+{
+ if (speed == 0 || speed == SPEED_UNKNOWN)
+ speed = slave->speed;
+ else
+ speed = min(speed, slave->speed);
+
+ return speed;
+}
+
static int bond_ethtool_get_link_ksettings(struct net_device *bond_dev,
struct ethtool_link_ksettings *cmd)
{
struct bonding *bond = netdev_priv(bond_dev);
- unsigned long speed = 0;
struct list_head *iter;
struct slave *slave;
+ u32 speed = 0;
cmd->base.duplex = DUPLEX_UNKNOWN;
cmd->base.port = PORT_OTHER;
@@ -4174,8 +4225,13 @@ static int bond_ethtool_get_link_ksettings(struct net_device *bond_dev,
*/
bond_for_each_slave(bond, slave, iter) {
if (bond_slave_can_tx(slave)) {
- if (slave->speed != SPEED_UNKNOWN)
- speed += slave->speed;
+ if (slave->speed != SPEED_UNKNOWN) {
+ if (BOND_MODE(bond) == BOND_MODE_BROADCAST)
+ speed = bond_mode_bcast_speed(slave,
+ speed);
+ else
+ speed += slave->speed;
+ }
if (cmd->base.duplex == DUPLEX_UNKNOWN &&
slave->duplex != DUPLEX_UNKNOWN)
cmd->base.duplex = slave->duplex;
@@ -4773,15 +4829,19 @@ int bond_create(struct net *net, const char *name)
bond_dev->rtnl_link_ops = &bond_link_ops;
res = register_netdevice(bond_dev);
+ if (res < 0) {
+ free_netdev(bond_dev);
+ rtnl_unlock();
+
+ return res;
+ }
netif_carrier_off(bond_dev);
bond_work_init_all(bond);
rtnl_unlock();
- if (res < 0)
- free_netdev(bond_dev);
- return res;
+ return 0;
}
static int __net_init bond_net_init(struct net *net)
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-30 16:49:26 +0000