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Subject[RFC][PATCH v4 05/18] Add a function to indicate if device use external buffer.
Date
From: Xin Xiaohui <xiaohui.xin@intel.com>

Signed-off-by: Xin Xiaohui <xiaohui.xin@intel.com>
Signed-off-by: Zhao Yu <yzhao81@gmail.com>
Reviewed-by: Jeff Dike <jdike@linux.intel.com>
---
include/linux/netdevice.h | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 2f9a4f2..a1a2aaf 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1602,6 +1602,13 @@ extern void netdev_mp_port_detach(struct net_device *dev);
int netdev_mp_port_prep(struct net_device *dev,
struct mpassthru_port *port);

+static int dev_is_mpassthru(struct net_device *dev)
+{
+ if (dev && dev->mp_port)
+ return 1;
+ return 0;
+}
+
static inline void napi_free_frags(struct napi_struct *napi)
{
kfree_skb(napi->skb);
--
1.5.4.4


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