netdev: Move _xmit_lock and xmit_lock_owner into netdev_queue.

Accesses are mostly structured such that when there are multiple TX
queues the code transformations will be a little bit simpler.

Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 47 insertions, 4 deletions

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index d57b65dc2c72..dc733d75a5e9 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -5019,6 +5019,17 @@ static int bond_check_params(struct bond_params *params)
 
 static struct lock_class_key bonding_netdev_xmit_lock_key;
 
+static void bond_set_lockdep_class_one(struct netdev_queue *txq)
+{
+        lockdep_set_class(&txq->_xmit_lock,
+                          &bonding_netdev_xmit_lock_key);
+}
+
+static void bond_set_lockdep_class(struct net_device *dev)
+{
+        bond_set_lockdep_class_one(&dev->tx_queue);
+}
+
 /* Create a new bond based on the specified name and bonding parameters.
  * If name is NULL, obtain a suitable "bond%d" name for us.
  * Caller must NOT hold rtnl_lock; we need to release it here before we
@@ -5076,7 +5087,7 @@ int bond_create(char *name, struct bond_params *params)
                 goto out_bond;
         }
 
-        lockdep_set_class(&bond_dev->_xmit_lock, &bonding_netdev_xmit_lock_key);
+        bond_set_lockdep_class(bond_dev);
 
         netif_carrier_off(bond_dev);
 
diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c
index 5f4b4c6c9f76..fb186b8c3d4d 100644
--- a/drivers/net/hamradio/bpqether.c
+++ b/drivers/net/hamradio/bpqether.c
@@ -124,6 +124,16 @@ static LIST_HEAD(bpq_devices);
  */
 static struct lock_class_key bpq_netdev_xmit_lock_key;
 
+static void bpq_set_lockdep_class_one(struct netdev_queue *txq)
+{
+        lockdep_set_class(&txq->_xmit_lock, &bpq_netdev_xmit_lock_key);
+}
+
+static void bpq_set_lockdep_class(struct net_device *dev)
+{
+        bpq_set_lockdep_class_one(&dev->tx_queue);
+}
+
 /* ------------------------------------------------------------------------ */
 
 
@@ -523,7 +533,7 @@ static int bpq_new_device(struct net_device *edev)
         err = register_netdevice(ndev);
         if (err)
                 goto error;
-        lockdep_set_class(&ndev->_xmit_lock, &bpq_netdev_xmit_lock_key);
+        bpq_set_lockdep_class(ndev);
 
         /* List protected by RTNL */
         list_add_rcu(&bpq->bpq_list, &bpq_devices);
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index c36a03ae9bfb..c02ceaa4a216 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -277,6 +277,17 @@ static struct lock_class_key macvlan_netdev_xmit_lock_key;
 #define MACVLAN_STATE_MASK \
         ((1<<__LINK_STATE_NOCARRIER) | (1<<__LINK_STATE_DORMANT))
 
+static void macvlan_set_lockdep_class_one(struct netdev_queue *txq)
+{
+        lockdep_set_class(&txq->_xmit_lock,
+                          &macvlan_netdev_xmit_lock_key);
+}
+
+static void macvlan_set_lockdep_class(struct net_device *dev)
+{
+        macvlan_set_lockdep_class_one(&dev->tx_queue);
+}
+
 static int macvlan_init(struct net_device *dev)
 {
         struct macvlan_dev *vlan = netdev_priv(dev);
@@ -287,7 +298,8 @@ static int macvlan_init(struct net_device *dev)
         dev->features           = lowerdev->features & MACVLAN_FEATURES;
         dev->iflink             = lowerdev->ifindex;
 
-        lockdep_set_class(&dev->_xmit_lock, &macvlan_netdev_xmit_lock_key);
+        macvlan_set_lockdep_class(dev);
+
         return 0;
 }
 
diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c
index 09004a632ae7..c1f4bb005d92 100644
--- a/drivers/net/wireless/hostap/hostap_hw.c
+++ b/drivers/net/wireless/hostap/hostap_hw.c
@@ -3102,6 +3102,16 @@ static void prism2_clear_set_tim_queue(local_info_t *local)
  */
 static struct lock_class_key hostap_netdev_xmit_lock_key;
 
+static void prism2_set_lockdep_class_one(struct netdev_queue *txq)
+{
+        lockdep_set_class(&txq->_xmit_lock,
+                          &hostap_netdev_xmit_lock_key);
+}
+
+static void prism2_set_lockdep_class(struct net_device *dev)
+{
+        prism2_set_lockdep_class_one(&dev->tx_queue);
+}
 
 static struct net_device *
 prism2_init_local_data(struct prism2_helper_functions *funcs, int card_idx,
@@ -3268,7 +3278,7 @@ while (0)
         if (ret >= 0)
                 ret = register_netdevice(dev);
 
-        lockdep_set_class(&dev->_xmit_lock, &hostap_netdev_xmit_lock_key);
+        prism2_set_lockdep_class(dev);
         rtnl_unlock();
         if (ret < 0) {
                 printk(KERN_WARNING "%s: register netdevice failed!\n",