bonding: add and use bond_is_lb()

Introduce and use bond_is_lb(), it is usefull to shorten the repetitive
check for either ALB or TLB mode.

Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 15 insertions, 20 deletions

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index e422dbaa25b4..16cfe9efee7c 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -294,10 +294,8 @@ static int bond_del_vlan(struct bonding *bond, unsigned short vlan_id)
                 if (vlan->vlan_id == vlan_id) {
                         list_del(&vlan->vlan_list);
 
-                        if ((bond->params.mode == BOND_MODE_TLB) ||
-                            (bond->params.mode == BOND_MODE_ALB)) {
+                        if (bond_is_lb(bond))
                                 bond_alb_clear_vlan(bond, vlan_id);
-                        }
 
                         dprintk("removed VLAN ID %d from bond %s\n", vlan_id,
                                 bond->dev->name);
@@ -1174,10 +1172,8 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active)
                                 bond_3ad_handle_link_change(new_active, BOND_LINK_UP);
                         }
 
-                        if ((bond->params.mode == BOND_MODE_TLB) ||
-                            (bond->params.mode == BOND_MODE_ALB)) {
+                        if (bond_is_lb(bond))
                                 bond_alb_handle_link_change(bond, new_active, BOND_LINK_UP);
-                        }
                 } else {
                         if (USES_PRIMARY(bond->params.mode)) {
                                 printk(KERN_INFO DRV_NAME
@@ -1192,8 +1188,7 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active)
                 bond_mc_swap(bond, new_active, old_active);
         }
 
-        if ((bond->params.mode == BOND_MODE_TLB) ||
-            (bond->params.mode == BOND_MODE_ALB)) {
+        if (bond_is_lb(bond)) {
                 bond_alb_handle_active_change(bond, new_active);
                 if (old_active)
                         bond_set_slave_inactive_flags(old_active);
@@ -1554,8 +1549,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
         new_slave->dev = slave_dev;
         slave_dev->priv_flags |= IFF_BONDING;
 
-        if ((bond->params.mode == BOND_MODE_TLB) ||
-            (bond->params.mode == BOND_MODE_ALB)) {
+        if (bond_is_lb(bond)) {
                 /* bond_alb_init_slave() must be called before all other stages since
                  * it might fail and we do not want to have to undo everything
                  */
@@ -1871,8 +1865,7 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
                 bond_change_active_slave(bond, NULL);
         }
 
-        if ((bond->params.mode == BOND_MODE_TLB) ||
-            (bond->params.mode == BOND_MODE_ALB)) {
+        if (bond_is_lb(bond)) {
                 /* Must be called only after the slave has been
                  * detached from the list and the curr_active_slave
                  * has been cleared (if our_slave == old_current),
@@ -2061,8 +2054,7 @@ static int bond_release_all(struct net_device *bond_dev)
                  */
                 write_unlock_bh(&bond->lock);
 
-                if ((bond->params.mode == BOND_MODE_TLB) ||
-                    (bond->params.mode == BOND_MODE_ALB)) {
+                if (bond_is_lb(bond)) {
                         /* must be called only after the slave
                          * has been detached from the list
                          */
@@ -2389,8 +2381,7 @@ static void bond_miimon_commit(struct bonding *bond)
                         if (bond->params.mode == BOND_MODE_8023AD)
                                 bond_3ad_handle_link_change(slave, BOND_LINK_UP);
 
-                        if ((bond->params.mode == BOND_MODE_TLB) ||
-                            (bond->params.mode == BOND_MODE_ALB))
+                        if (bond_is_lb(bond))
                                 bond_alb_handle_link_change(bond, slave,
                                                             BOND_LINK_UP);
 
@@ -3796,8 +3787,7 @@ static int bond_open(struct net_device *bond_dev)
 
         bond->kill_timers = 0;
 
-        if ((bond->params.mode == BOND_MODE_TLB) ||
-            (bond->params.mode == BOND_MODE_ALB)) {
+        if (bond_is_lb(bond)) {
                 /* bond_alb_initialize must be called before the timer
                  * is started.
                  */
@@ -3882,8 +3872,7 @@ static int bond_close(struct net_device *bond_dev)
         }
 
 
-        if ((bond->params.mode == BOND_MODE_TLB) ||
-            (bond->params.mode == BOND_MODE_ALB)) {
+        if (bond_is_lb(bond)) {
                 /* Must be called only after all
                  * slaves have been released
                  */
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 921abacc6074..b8c2462577b7 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -260,6 +260,12 @@ static inline struct bonding *bond_get_bond_by_slave(struct slave *slave)
         return (struct bonding *)netdev_priv(slave->dev->master);
 }
 
+static inline bool bond_is_lb(const struct bonding *bond)
+{
+        return bond->params.mode == BOND_MODE_TLB
+                || bond->params.mode == BOND_MODE_ALB;
+}
+
 #define BOND_FOM_NONE                   0
 #define BOND_FOM_ACTIVE                 1
 #define BOND_FOM_FOLLOW                 2