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Commit b88ec38d authored by Veaceslav Falico's avatar Veaceslav Falico Committed by David S. Miller
Browse files

bonding: trivial: make alb use bond_slave_has_mac() 



Also, cleanup bond_alb_handle_active_change() from 2 identical ifs.

Signed-off-by: default avatarVeaceslav Falico <vfalico@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 257a3feb

drivers/net/bonding/bond_alb.c

+11 −42
Original line number Diff line number Diff line
@@ -1129,6 +1129,7 @@ static void alb_change_hw_addr_on_detach(struct bonding *bond, struct slave *sla 
{

	int perm_curr_diff;

	int perm_bond_diff;

	struct slave *found_slave;



	perm_curr_diff = !ether_addr_equal_64bits(slave->perm_hwaddr,

						  slave->dev->dev_addr);
@@ -1136,21 +1137,12 @@ static void alb_change_hw_addr_on_detach(struct bonding *bond, struct slave *sla 
						  bond->dev->dev_addr);



	if (perm_curr_diff && perm_bond_diff) {

		struct slave *tmp_slave;

		int i, found = 0;

		found_slave = bond_slave_has_mac(bond, slave->perm_hwaddr);



		bond_for_each_slave(bond, tmp_slave, i) {

			if (ether_addr_equal_64bits(slave->perm_hwaddr,

						    tmp_slave->dev->dev_addr)) {

				found = 1;

				break;

			}

		}



		if (found) {

		if (found_slave) {

			/* locking: needs RTNL and nothing else */

			alb_swap_mac_addr(slave, tmp_slave);

			alb_fasten_mac_swap(bond, slave, tmp_slave);

			alb_swap_mac_addr(slave, found_slave);

			alb_fasten_mac_swap(bond, slave, found_slave);

		}

	}

}
@@ -1668,7 +1660,6 @@ void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave 
	__acquires(&bond->curr_slave_lock)

{

	struct slave *swap_slave;

	int i;



	if (bond->curr_active_slave == new_slave) {

		return;
@@ -1690,17 +1681,8 @@ void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave 
	/* set the new curr_active_slave to the bonds mac address

	 * i.e. swap mac addresses of old curr_active_slave and new curr_active_slave

	 */

	if (!swap_slave) {

		struct slave *tmp_slave;

		/* find slave that is holding the bond's mac address */

		bond_for_each_slave(bond, tmp_slave, i) {

			if (ether_addr_equal_64bits(tmp_slave->dev->dev_addr,

						    bond->dev->dev_addr)) {

				swap_slave = tmp_slave;

				break;

			}

		}

	}

	if (!swap_slave)

		swap_slave = bond_slave_has_mac(bond, bond->dev->dev_addr);



	/*

	 * Arrange for swap_slave and new_slave to temporarily be
@@ -1721,15 +1703,11 @@ void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave 
	if (swap_slave) {

		/* swap mac address */

		alb_swap_mac_addr(swap_slave, new_slave);

	} else {

		/* set the new_slave to the bond mac address */

		alb_set_slave_mac_addr(new_slave, bond->dev->dev_addr);

	}



	if (swap_slave) {

		alb_fasten_mac_swap(bond, swap_slave, new_slave);

		read_lock(&bond->lock);

	} else {

		/* set the new_slave to the bond mac address */

		alb_set_slave_mac_addr(new_slave, bond->dev->dev_addr);

		read_lock(&bond->lock);

		alb_send_learning_packets(new_slave, bond->dev->dev_addr);

	}
@@ -1746,9 +1724,8 @@ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr) 
{

	struct bonding *bond = netdev_priv(bond_dev);

	struct sockaddr *sa = addr;

	struct slave *slave, *swap_slave;

	struct slave *swap_slave;

	int res;

	int i;



	if (!is_valid_ether_addr(sa->sa_data)) {

		return -EADDRNOTAVAIL;
@@ -1769,15 +1746,7 @@ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr) 
		return 0;

	}



	swap_slave = NULL;



	bond_for_each_slave(bond, slave, i) {

		if (ether_addr_equal_64bits(slave->dev->dev_addr,

					    bond_dev->dev_addr)) {

			swap_slave = slave;

			break;

		}

	}

	swap_slave = bond_slave_has_mac(bond, bond_dev->dev_addr);



	if (swap_slave) {

		alb_swap_mac_addr(swap_slave, bond->curr_active_slave);