#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/sched.h>
#include <linux/types.h>
#include <linux/fcntl.h>
#include <linux/interrupt.h>
goto err_undo_flags;
}
- new_slave = kmalloc(sizeof(struct slave), GFP_KERNEL);
+ if (slave_dev->get_stats == NULL) {
+ printk(KERN_NOTICE DRV_NAME
+ ": %s: the driver for slave device %s does not provide "
+ "get_stats function, network statistics will be "
+ "inaccurate.\n", bond_dev->name, slave_dev->name);
+ }
+
+ new_slave = kzalloc(sizeof(struct slave), GFP_KERNEL);
if (!new_slave) {
res = -ENOMEM;
goto err_undo_flags;
}
- memset(new_slave, 0, sizeof(struct slave));
-
/* save slave's original flags before calling
* netdev_set_master and dev_open
*/
return res;
}
-static struct file_operations bond_info_fops = {
+static const struct file_operations bond_info_fops = {
.owner = THIS_MODULE,
.open = bond_info_open,
.read = seq_read,
read_lock_bh(&bond->lock);
bond_for_each_slave(bond, slave, i) {
- sstats = slave->dev->get_stats(slave->dev);
-
- stats->rx_packets += sstats->rx_packets;
- stats->rx_bytes += sstats->rx_bytes;
- stats->rx_errors += sstats->rx_errors;
- stats->rx_dropped += sstats->rx_dropped;
-
- stats->tx_packets += sstats->tx_packets;
- stats->tx_bytes += sstats->tx_bytes;
- stats->tx_errors += sstats->tx_errors;
- stats->tx_dropped += sstats->tx_dropped;
-
- stats->multicast += sstats->multicast;
- stats->collisions += sstats->collisions;
-
- stats->rx_length_errors += sstats->rx_length_errors;
- stats->rx_over_errors += sstats->rx_over_errors;
- stats->rx_crc_errors += sstats->rx_crc_errors;
- stats->rx_frame_errors += sstats->rx_frame_errors;
- stats->rx_fifo_errors += sstats->rx_fifo_errors;
- stats->rx_missed_errors += sstats->rx_missed_errors;
-
- stats->tx_aborted_errors += sstats->tx_aborted_errors;
- stats->tx_carrier_errors += sstats->tx_carrier_errors;
- stats->tx_fifo_errors += sstats->tx_fifo_errors;
- stats->tx_heartbeat_errors += sstats->tx_heartbeat_errors;
- stats->tx_window_errors += sstats->tx_window_errors;
+ if (slave->dev->get_stats) {
+ sstats = slave->dev->get_stats(slave->dev);
+
+ stats->rx_packets += sstats->rx_packets;
+ stats->rx_bytes += sstats->rx_bytes;
+ stats->rx_errors += sstats->rx_errors;
+ stats->rx_dropped += sstats->rx_dropped;
+
+ stats->tx_packets += sstats->tx_packets;
+ stats->tx_bytes += sstats->tx_bytes;
+ stats->tx_errors += sstats->tx_errors;
+ stats->tx_dropped += sstats->tx_dropped;
+
+ stats->multicast += sstats->multicast;
+ stats->collisions += sstats->collisions;
+
+ stats->rx_length_errors += sstats->rx_length_errors;
+ stats->rx_over_errors += sstats->rx_over_errors;
+ stats->rx_crc_errors += sstats->rx_crc_errors;
+ stats->rx_frame_errors += sstats->rx_frame_errors;
+ stats->rx_fifo_errors += sstats->rx_fifo_errors;
+ stats->rx_missed_errors += sstats->rx_missed_errors;
+
+ stats->tx_aborted_errors += sstats->tx_aborted_errors;
+ stats->tx_carrier_errors += sstats->tx_carrier_errors;
+ stats->tx_fifo_errors += sstats->tx_fifo_errors;
+ stats->tx_heartbeat_errors += sstats->tx_heartbeat_errors;
+ stats->tx_window_errors += sstats->tx_window_errors;
+ }
}
read_unlock_bh(&bond->lock);
mii->val_out = 0;
read_lock_bh(&bond->lock);
read_lock(&bond->curr_slave_lock);
- if (bond->curr_active_slave) {
+ if (netif_carrier_ok(bond->dev)) {
mii->val_out = BMSR_LSTATUS;
}
read_unlock(&bond->curr_slave_lock);
return 0;
}
+static struct lock_class_key bonding_netdev_xmit_lock_key;
+
/* Create a new bond based on the specified name and bonding parameters.
+ * If name is NULL, obtain a suitable "bond%d" name for us.
* Caller must NOT hold rtnl_lock; we need to release it here before we
* set up our sysfs entries.
*/
int res;
rtnl_lock();
- bond_dev = alloc_netdev(sizeof(struct bonding), name, ether_setup);
+ bond_dev = alloc_netdev(sizeof(struct bonding), name ? name : "",
+ ether_setup);
if (!bond_dev) {
printk(KERN_ERR DRV_NAME
": %s: eek! can't alloc netdev!\n",
goto out_rtnl;
}
+ if (!name) {
+ res = dev_alloc_name(bond_dev, "bond%d");
+ if (res < 0)
+ goto out_netdev;
+ }
+
/* bond_init() must be called after dev_alloc_name() (for the
* /proc files), but before register_netdevice(), because we
* need to set function pointers.
if (res < 0) {
goto out_bond;
}
+
+ lockdep_set_class(&bond_dev->_xmit_lock, &bonding_netdev_xmit_lock_key);
+
if (newbond)
*newbond = bond_dev->priv;
rtnl_unlock(); /* allows sysfs registration of net device */
res = bond_create_sysfs_entry(bond_dev->priv);
- goto done;
+ if (res < 0) {
+ rtnl_lock();
+ goto out_bond;
+ }
+
+ return 0;
+
out_bond:
bond_deinit(bond_dev);
out_netdev:
free_netdev(bond_dev);
out_rtnl:
rtnl_unlock();
-done:
return res;
}
{
int i;
int res;
- char new_bond_name[8]; /* Enough room for 999 bonds at init. */
printk(KERN_INFO "%s", version);
bond_create_proc_dir();
#endif
for (i = 0; i < max_bonds; i++) {
- sprintf(new_bond_name, "bond%d",i);
- res = bond_create(new_bond_name,&bonding_defaults, NULL);
+ res = bond_create(NULL, &bonding_defaults, NULL);
if (res)
goto err;
}