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authorDaniel Borkmann <danborkmann@googlemail.com>2010-01-12 17:27:30 +0300
committerDavid S. Miller <davem@davemloft.net>2010-01-14 07:38:26 +0300
commit508e14b4a4fb1a824a14f2c5b8d7df67b313f8e4 (patch)
tree4ae5de122ebb70f2395739c85cba86bb9df8f712 /include/linux/netpoll.h
parente1d5a010729a7a495a8a8de85727f3f0d62f06a0 (diff)
downloadlinux-508e14b4a4fb1a824a14f2c5b8d7df67b313f8e4.tar.xz
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>
Diffstat (limited to 'include/linux/netpoll.h')
-rw-r--r--include/linux/netpoll.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index 2524267210d3..a765ea898549 100644
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -21,15 +21,20 @@ struct netpoll {
__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 @@ static inline int netpoll_rx(struct sk_buff *skb)
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 @@ static inline int netpoll_rx_on(struct sk_buff *skb)
{
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)