2 files changed, 0 insertions, 101 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index b8d8c805fd75..4b6d12c7b803 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1979,9 +1979,6 @@ struct net_device *__dev_get_by_index(struct net *net, int ifindex);
 struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex);
 int netdev_get_name(struct net *net, char *name, int ifindex);
 int dev_restart(struct net_device *dev);
-#ifdef CONFIG_NETPOLL_TRAP
-int netpoll_trap(void);
-#endif
 int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb);
 
 static inline unsigned int skb_gro_offset(const struct sk_buff *skb)
@@ -2186,12 +2183,6 @@ static inline void netif_tx_start_all_queues(struct net_device *dev)
 
 static inline void netif_tx_wake_queue(struct netdev_queue *dev_queue)
 {
-#ifdef CONFIG_NETPOLL_TRAP
-        if (netpoll_trap()) {
-                netif_tx_start_queue(dev_queue);
-                return;
-        }
-#endif
         if (test_and_clear_bit(__QUEUE_STATE_DRV_XOFF, &dev_queue->state))
                 __netif_schedule(dev_queue->qdisc);
 }
@@ -2435,10 +2426,6 @@ static inline void netif_start_subqueue(struct net_device *dev, u16 queue_index)
 static inline void netif_stop_subqueue(struct net_device *dev, u16 queue_index)
 {
         struct netdev_queue *txq = netdev_get_tx_queue(dev, queue_index);
-#ifdef CONFIG_NETPOLL_TRAP
-        if (netpoll_trap())
-                return;
-#endif
         netif_tx_stop_queue(txq);
 }
 
@@ -2473,10 +2460,6 @@ static inline bool netif_subqueue_stopped(const struct net_device *dev,
 static inline void netif_wake_subqueue(struct net_device *dev, u16 queue_index)
 {
         struct netdev_queue *txq = netdev_get_tx_queue(dev, queue_index);
-#ifdef CONFIG_NETPOLL_TRAP
-        if (netpoll_trap())
-                return;
-#endif
         if (test_and_clear_bit(__QUEUE_STATE_DRV_XOFF, &txq->state))
                 __netif_schedule(txq->qdisc);
 }
diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index a0632af88d8b..1b475a5a7239 100644
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -31,12 +31,6 @@ struct netpoll {
         u8 remote_mac[ETH_ALEN];
 
         struct work_struct cleanup_work;
-
-#ifdef CONFIG_NETPOLL_TRAP
-        void (*rx_skb_hook)(struct netpoll *np, int source, struct sk_buff *skb,
-                            int offset, int len);
-        struct list_head rx; /* rx_np list element */
-#endif
 };
 
 struct netpoll_info {
@@ -50,12 +44,6 @@ struct netpoll_info {
 
         struct netpoll *netpoll;
         struct rcu_head rcu;
-
-#ifdef CONFIG_NETPOLL_TRAP
-        spinlock_t rx_lock;
-        struct list_head rx_np; /* netpolls that registered an rx_skb_hook */
-        struct sk_buff_head neigh_tx; /* list of neigh requests to reply to */
-#endif
 };
 
 #ifdef CONFIG_NETPOLL
@@ -84,78 +72,6 @@ static inline void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
         local_irq_restore(flags);
 }
 
-#ifdef CONFIG_NETPOLL_TRAP
-int netpoll_trap(void);
-void netpoll_set_trap(int trap);
-int __netpoll_rx(struct sk_buff *skb, struct netpoll_info *npinfo);
-static inline bool netpoll_rx_processing(struct netpoll_info *npinfo)
-{
-        return !list_empty(&npinfo->rx_np);
-}
-
-static inline bool netpoll_rx_on(struct sk_buff *skb)
-{
-        struct netpoll_info *npinfo = rcu_dereference_bh(skb->dev->npinfo);
-
-        return npinfo && netpoll_rx_processing(npinfo);
-}
-
-static inline bool netpoll_rx(struct sk_buff *skb)
-{
-        struct netpoll_info *npinfo;
-        unsigned long flags;
-        bool ret = false;
-
-        local_irq_save(flags);
-
-        if (!netpoll_rx_on(skb))
-                goto out;
-
-        npinfo = rcu_dereference_bh(skb->dev->npinfo);
-        spin_lock(&npinfo->rx_lock);
-        /* check rx_processing again with the lock held */
-        if (netpoll_rx_processing(npinfo) && __netpoll_rx(skb, npinfo))
-                ret = true;
-        spin_unlock(&npinfo->rx_lock);
-
-out:
-        local_irq_restore(flags);
-        return ret;
-}
-
-static inline int netpoll_receive_skb(struct sk_buff *skb)
-{
-        if (!list_empty(&skb->dev->napi_list))
-                return netpoll_rx(skb);
-        return 0;
-}
-
-#else
-static inline int netpoll_trap(void)
-{
-        return 0;
-}
-static inline void netpoll_set_trap(int trap)
-{
-}
-static inline bool netpoll_rx_processing(struct netpoll_info *npinfo)
-{
-        return false;
-}
-static inline bool netpoll_rx(struct sk_buff *skb)
-{
-        return false;
-}
-static inline bool netpoll_rx_on(struct sk_buff *skb)
-{
-        return false;
-}
-static inline int netpoll_receive_skb(struct sk_buff *skb)
-{
-        return 0;
-}
-#endif
-
 #ifdef CONFIG_NETPOLL
 static inline void *netpoll_poll_lock(struct napi_struct *napi)
 {