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Diffstat (limited to 'include/linux/netpoll.h')
-rw-r--r--include/linux/netpoll.h84
1 files changed, 0 insertions, 84 deletions
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)
{