netpoll: allow execution of multiple rx_hooks per interface
Signed-off-by: Daniel Borkmann <danborkmann@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index 2524267..a765ea8 100644
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -21,15 +21,20 @@
__be32 local_ip, remote_ip;
u16 local_port, remote_port;
u8 remote_mac[ETH_ALEN];
+
+ struct list_head rx; /* rx_np list element */
};
struct netpoll_info {
atomic_t refcnt;
+
int rx_flags;
spinlock_t rx_lock;
- struct netpoll *rx_np; /* netpoll that registered an rx_hook */
+ struct list_head rx_np; /* netpolls that registered an rx_hook */
+
struct sk_buff_head arp_tx; /* list of arp requests to reply to */
struct sk_buff_head txq;
+
struct delayed_work tx_work;
};
@@ -51,7 +56,7 @@
unsigned long flags;
int ret = 0;
- if (!npinfo || (!npinfo->rx_np && !npinfo->rx_flags))
+ if (!npinfo || (list_empty(&npinfo->rx_np) && !npinfo->rx_flags))
return 0;
spin_lock_irqsave(&npinfo->rx_lock, flags);
@@ -67,7 +72,7 @@
{
struct netpoll_info *npinfo = skb->dev->npinfo;
- return npinfo && (npinfo->rx_np || npinfo->rx_flags);
+ return npinfo && (!list_empty(&npinfo->rx_np) || npinfo->rx_flags);
}
static inline int netpoll_receive_skb(struct sk_buff *skb)