bonding: drop_monitor aware

When packets are dropped in TX path, its better to use kfree_skb()
instead of dev_kfree_skb() to give proper drop_monitor events.

Also move the kfree_skb() call after read_unlock() in bond_alb_xmit()
and bond_xmit_activebackup()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 3031e04..a030e63 100644 (file)
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -2454,7 +2454,7 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev)
 out:
        if (res) {
                /* no suitable interface, frame not sent */
-               dev_kfree_skb(skb);
+               kfree_skb(skb);
        }
 
        return NETDEV_TX_OK;

diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index ef3791a..e15cc11 100644 (file)
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -1346,12 +1346,12 @@ int bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev)
                }
        }
 
+       read_unlock(&bond->curr_slave_lock);
+
        if (res) {
                /* no suitable interface, frame not sent */
-               dev_kfree_skb(skb);
+               kfree_skb(skb);
        }
-       read_unlock(&bond->curr_slave_lock);
-
        return NETDEV_TX_OK;
 }
 

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index af50632..f5a40b9 100644 (file)
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3990,7 +3990,7 @@ static int bond_xmit_roundrobin(struct sk_buff *skb, struct net_device *bond_dev
 out:
        if (res) {
                /* no suitable interface, frame not sent */
-               dev_kfree_skb(skb);
+               kfree_skb(skb);
        }
 
        return NETDEV_TX_OK;
@@ -4012,11 +4012,11 @@ static int bond_xmit_activebackup(struct sk_buff *skb, struct net_device *bond_d
                res = bond_dev_queue_xmit(bond, skb,
                        bond->curr_active_slave->dev);
 
+       read_unlock(&bond->curr_slave_lock);
+
        if (res)
                /* no suitable interface, frame not sent */
-               dev_kfree_skb(skb);
-
-       read_unlock(&bond->curr_slave_lock);
+               kfree_skb(skb);
 
        return NETDEV_TX_OK;
 }
@@ -4055,7 +4055,7 @@ static int bond_xmit_xor(struct sk_buff *skb, struct net_device *bond_dev)
 
        if (res) {
                /* no suitable interface, frame not sent */
-               dev_kfree_skb(skb);
+               kfree_skb(skb);
        }
 
        return NETDEV_TX_OK;
@@ -4093,7 +4093,7 @@ static int bond_xmit_broadcast(struct sk_buff *skb, struct net_device *bond_dev)
 
                                res = bond_dev_queue_xmit(bond, skb2, tx_dev);
                                if (res) {
-                                       dev_kfree_skb(skb2);
+                                       kfree_skb(skb2);
                                        continue;
                                }
                        }
@@ -4107,7 +4107,7 @@ static int bond_xmit_broadcast(struct sk_buff *skb, struct net_device *bond_dev)
 out:
        if (res)
                /* no suitable interface, frame not sent */
-               dev_kfree_skb(skb);
+               kfree_skb(skb);
 
        /* frame sent to all suitable interfaces */
        return NETDEV_TX_OK;
@@ -4213,7 +4213,7 @@ static netdev_tx_t __bond_start_xmit(struct sk_buff *skb, struct net_device *dev
                pr_err("%s: Error: Unknown bonding mode %d\n",
                       dev->name, bond->params.mode);
                WARN_ON_ONCE(1);
-               dev_kfree_skb(skb);
+               kfree_skb(skb);
                return NETDEV_TX_OK;
        }
 }
@@ -4235,7 +4235,7 @@ static netdev_tx_t bond_start_xmit(struct sk_buff *skb, struct net_device *dev)
        if (bond->slave_cnt)
                ret = __bond_start_xmit(skb, dev);
        else
-               dev_kfree_skb(skb);
+               kfree_skb(skb);
 
        read_unlock(&bond->lock);