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Commit 18e1e9bc authored by Veaceslav Falico's avatar Veaceslav Falico Committed by David S. Miller
Browse files

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: default avatarVeaceslav Falico <vfalico@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c8c23903

drivers/net/bonding/bonding.h

+28 −0
Original line number Diff line number Diff line
@@ -249,6 +249,34 @@ struct bonding { 
#define bond_slave_get_rtnl(dev) \

	((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

 *