[RFC PATCH v7 06/19] Add a function to indicate if device use external buffer.

xiaohui.xin
2010-06-05T10:07:01Z

From: Xin Xiaohui <xiaohui.xin@intel.com>

Signed-off-by: Xin Xiaohui <xiaohui.xin@intel.com>
Signed-off-by: Zhao Yu <yzhao81new@gmail.com>
Reviewed-by: Jeff Dike <jdike@linux.intel.com>
---
include/linux/netdevice.h | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 31d9c4a..0cb78f4 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1602,6 +1602,11 @@ extern void netdev_mp_port_detach(struct net_device *dev);
extern int netdev_mp_port_prep(struct net_device *dev,
struct mpassthru_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);
--
1.5.4.4