diff options
| author | Veaceslav Falico <vfalico@redhat.com> | 2013-09-25 09:20:26 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-09-26 16:02:07 -0400 |
| commit | 18e1e9bc5d1b9b89853a23aaeeed39686a95551b (patch) | |
| tree | 118c56c0b01e6bc50e513a467ceb84ee8b97b46a /drivers/net/bonding | |
| parent | c8c23903f12a62708606b5cdba8cd8550cd6bdcd (diff) | |
bonding: add __bond_next_slave() which uses neighbours
Add a new function, __bond_next_slave(), which uses neighbours to find the
next slave after the slave provided. It will be further used to gradually
go start using neighbour netdev_adjacent infrastructure instead of
bonding's own lists.
CC: Jay Vosburgh <fubar@us.ibm.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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 |