@@ -2099,6 +2099,8 @@ extern int dev_hard_start_xmit(struct sk_buff *skb,
struct netdev_queue *txq);
extern int dev_forward_skb(struct net_device *dev,
struct sk_buff *skb);
+extern void dev_queue_xmit_nit(struct sk_buff *skb,
+ struct net_device *dev);
extern int netdev_budget;
@@ -1520,11 +1520,13 @@ static inline int deliver_skb(struct sk_buff *skb,
}
/*
- * Support routine. Sends outgoing frames to any network
- * taps currently in use.
+ * dev_queue_xmit_nit - send outgoing frame to AF_PACKET sockets
+ *
+ * @skb: buffer to send
+ * @dev: network device that AF_PACKET sockets are attached to (if any)
*/
-static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
+void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
{
struct packet_type *ptype;
struct sk_buff *skb2 = NULL;
@@ -1539,7 +1541,8 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
(ptype->af_packet_priv == NULL ||
(struct sock *)ptype->af_packet_priv != skb->sk)) {
if (pt_prev) {
- deliver_skb(skb2, pt_prev, skb->dev);
+ atomic_inc(&skb2->users);
+ pt_prev->func(skb2, dev, pt_prev, dev);
pt_prev = ptype;
continue;
}
@@ -1572,9 +1575,10 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
}
}
if (pt_prev)
- pt_prev->func(skb2, skb->dev, pt_prev, skb->dev);
+ pt_prev->func(skb2, dev, pt_prev, dev);
rcu_read_unlock();
}
+EXPORT_SYMBOL(dev_queue_xmit_nit);
/* netif_setup_tc - Handle tc mappings on real_num_tx_queues change
* @dev: Network device
Export dev_queue_xmit_nit for use by the macvlan virtual network device driver. Also, use 'dev' instead of 'skb->dev' in this function. Signed-off-by: David Ward <david.ward@ll.mit.edu> --- include/linux/netdevice.h | 2 ++ net/core/dev.c | 14 +++++++++----- 2 files changed, 11 insertions(+), 5 deletions(-)