[v16,05/17] Add a function to indicate if device use external buffer.

Commit Message

Xin, Xiaohui Dec. 1, 2010, 8:08 a.m. UTC

None

Patch

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 8dcf6de..f91d9bb 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1739,6 +1739,11 @@  extern gro_result_t	napi_gro_frags(struct napi_struct *napi);
 extern int netdev_mp_port_prep(struct net_device *dev,
 				struct mp_port *port);
 
+static inline bool dev_is_mpassthru(struct net_device *dev)
+{
+	return dev && dev->mp_port;
+}
+
 static inline void napi_free_frags(struct napi_struct *napi)
 {
 	kfree_skb(napi->skb);