bonding: 3ad: apply ad_actor settings changes immediately

[cascardo/linux.git] / drivers / net / bonding / bond_3ad.c

diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 4cbb8b2..ee94056 100644 (file)
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -357,6 +357,14 @@ static u8 __get_duplex(struct port *port)
        return retval;
 }
 
+static void __ad_actor_update_port(struct port *port)
+{
+       const struct bonding *bond = bond_get_bond_by_slave(port->slave);
+
+       port->actor_system = BOND_AD_INFO(bond).system.sys_mac_addr;
+       port->actor_system_priority = BOND_AD_INFO(bond).system.sys_priority;
+}
+
 /* Conversions */
 
 /**
@@ -1963,9 +1971,7 @@ void bond_3ad_bind_slave(struct slave *slave)
                port->actor_admin_port_key = bond->params.ad_user_port_key << 6;
                ad_update_actor_keys(port, false);
                /* actor system is the bond's system */
-               port->actor_system = BOND_AD_INFO(bond).system.sys_mac_addr;
-               port->actor_system_priority =
-                   BOND_AD_INFO(bond).system.sys_priority;
+               __ad_actor_update_port(port);
                /* tx timer(to verify that no more than MAX_TX_IN_SECOND
                 * lacpdu's are sent in one second)
                 */
@@ -2147,6 +2153,34 @@ out:
        spin_unlock_bh(&bond->mode_lock);
 }
 
+/**
+ * bond_3ad_update_ad_actor_settings - reflect change of actor settings to ports
+ * @bond: bonding struct to work on
+ *
+ * If an ad_actor setting gets changed we need to update the individual port
+ * settings so the bond device will use the new values when it gets upped.
+ */
+void bond_3ad_update_ad_actor_settings(struct bonding *bond)
+{
+       struct list_head *iter;
+       struct slave *slave;
+
+       ASSERT_RTNL();
+
+       BOND_AD_INFO(bond).system.sys_priority = bond->params.ad_actor_sys_prio;
+       if (is_zero_ether_addr(bond->params.ad_actor_system))
+               BOND_AD_INFO(bond).system.sys_mac_addr =
+                   *((struct mac_addr *)bond->dev->dev_addr);
+       else
+               BOND_AD_INFO(bond).system.sys_mac_addr =
+                   *((struct mac_addr *)bond->params.ad_actor_system);
+
+       spin_lock_bh(&bond->mode_lock);
+       bond_for_each_slave(bond, slave, iter)
+               __ad_actor_update_port(&(SLAVE_AD_INFO(slave)->port));
+       spin_unlock_bh(&bond->mode_lock);
+}
+
 /**
  * bond_3ad_state_machine_handler - handle state machines timeout
  * @bond: bonding struct to work on