@@ -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
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> --- Notes: RFC -> v4: New patch. drivers/net/bonding/bonding.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)