diff options
Diffstat (limited to 'drivers/net/bonding')
| -rw-r--r-- | drivers/net/bonding/bonding.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index 454d6affa06a..4a3fbe307ee8 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -250,6 +250,34 @@ struct bonding { ((struct slave *) rtnl_dereference(dev->rx_handler_data)) /** + * __bond_next_slave - get the next slave after the one provided + * @bond - bonding struct + * @slave - the slave provided + * + * Returns the next slave after the slave provided, first slave if the + * slave provided is the last slave and NULL if slave is not found + */ +static inline struct slave *__bond_next_slave(struct bonding *bond, + struct slave *slave) +{ + struct slave *slave_iter; + struct list_head *iter; + bool found = false; + + netdev_for_each_lower_private(bond->dev, slave_iter, iter) { + if (found) + return slave_iter; + if (slave_iter == slave) + found = true; + } + + if (found) + return bond_first_slave(bond); + + return NULL; +} + +/** * Returns NULL if the net_device does not belong to any of the bond's slaves * * Caller must hold bond lock for read |